/* ═══════════════════════════════════════════════
       LOCAL PRETENDARD FONTS
    ═══════════════════════════════════════════════ */
      @font-face {
        font-family: 'Pretendard';
        src: url('src/fonts/Pretendard-Regular.woff2') format('woff2');
        font-weight: 400;
        font-style: normal;
        font-display: swap;
      }
      @font-face {
        font-family: 'Pretendard';
        src: url('src/fonts/Pretendard-Medium.woff2') format('woff2');
        font-weight: 500;
        font-style: normal;
        font-display: swap;
      }
      @font-face {
        font-family: 'Pretendard';
        src: url('src/fonts/Pretendard-SemiBold.woff2') format('woff2');
        font-weight: 600;
        font-style: normal;
        font-display: swap;
      }
      @font-face {
        font-family: 'Pretendard';
        src: url('src/fonts/Pretendard-Bold.woff2') format('woff2');
        font-weight: 700;
        font-style: normal;
        font-display: swap;
      }
      @font-face {
        font-family: 'Pretendard';
        src: url('src/fonts/Pretendard-ExtraBold.woff2') format('woff2');
        font-weight: 800;
        font-style: normal;
        font-display: swap;
      }
      @font-face {
        font-family: 'Pretendard';
        src: url('src/fonts/Pretendard-Black.woff2') format('woff2');
        font-weight: 900;
        font-style: normal;
        font-display: swap;
      }

      /* ═══════════════════════════════════════════════
       DESIGN TOKENS
    ═══════════════════════════════════════════════ */
      :root {
        --bg-0: #ffffff;
        --bg-1: #ffffff;
        --bg-2: #f7f2ec;
        --surface: #ffffff;
        --surface-2: #faf5f0;
        --border: rgba(180, 110, 70, 0.15);
        --border-m: rgba(180, 110, 70, 0.22);
        --border-h: rgba(180, 110, 70, 0.32);
        --coral: #ff6b4a;
        --coral-2: #ff8c71;
        --amber: #ff9a3d;
        --teal: #00deb8;
        --grad: linear-gradient(135deg, #ff6b4a, #ff9a3d);
        --text-1: #1c0e06;
        --text-2: #5a3a22;
        --text-3: #8a6040;
        --r: 14px;
        --r-lg: 20px;
        --r-xl: 28px;
      }

      /* ═══════════════════════════════════════════════
       BASE RESET
    ═══════════════════════════════════════════════ */
      *,
      *::before,
      *::after {
        box-sizing: border-box;
      }

      html {
        scroll-behavior: smooth;
      }

      body {
        font-family:
          'Pretendard',
          -apple-system,
          BlinkMacSystemFont,
          sans-serif;
        background: var(--bg-0);
        color: var(--text-1);
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
        overflow-x: hidden;
      }

      /* Tailwind bg-white/bg-cream/text-[#1F1F1F] overrides */
      .bg-white {
        background: var(--surface) !important;
      }
      .bg-cream {
        background: var(--bg-1) !important;
        background-image: none !important;
      }
      .text-\[\#1F1F1F\] {
        color: var(--text-1) !important;
      }
      .text-\[\#5F5F5F\] {
        color: var(--text-2) !important;
      }
      .border-\[\#F1DDD4\] {
        border-color: var(--border-m) !important;
      }
      .bg-\[\#141414\] {
        background: #f7f2ec !important;
      }

      /* ═══════════════════════════════════════════════
       SHARED COMPONENTS
    ═══════════════════════════════════════════════ */
      .section-tag {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        font-size: 11px;
        font-weight: 700;
        letter-spacing: 0.22em;
        text-transform: uppercase;
        color: var(--coral);
        margin-bottom: 20px;
      }
      .section-tag::before {
        content: '';
        display: block;
        width: 20px;
        height: 1.5px;
        background: var(--coral);
        opacity: 0.6;
        flex-shrink: 0;
      }

      .wrap {
        max-width: 1212px;
        margin: 0 auto;
        padding: 0 24px;
      }

      /* Scroll reveal */
      [data-reveal] {
        opacity: 0;
        transform: translateY(20px);
        transition:
          opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1),
          transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
      }
      [data-reveal].revealed {
        opacity: 1 !important;
        transform: none !important;
      }
      [data-reveal-delay='1'] {
        transition-delay: 0.1s;
      }
      [data-reveal-delay='2'] {
        transition-delay: 0.2s;
      }
      [data-reveal-delay='3'] {
        transition-delay: 0.3s;
      }
      [data-reveal-delay='4'] {
        transition-delay: 0.4s;
      }

      /* ═══════════════════════════════════════════════
       1. HERO
    ═══════════════════════════════════════════════ */
      #hero {
        position: relative;
        height: 100vh;
        display: flex;
        align-items: center;
        justify-content: center;
        overflow: hidden;
        background: #0d0705;
      }
      #hero video {
        position: absolute;
        inset: 0;
        width: 100%;
        height: 100%;
        object-fit: cover;
        opacity: 0.55;
        transition: opacity 0.6s ease;
      }
      .hero-top-label {
        position: absolute;
        top: 28px;
        left: 32px;
        z-index: 3;
        margin-bottom: 0;
        font-size: 18px;
      }
      .hero-badge.hero-top-label {
        background: rgba(255, 255, 255, 0.18) !important;
        border-color: rgba(255, 255, 255, 0.28) !important;
        transition:
          background 0.6s ease,
          border-color 0.6s ease !important;
        animation:
          fadeUp 0.8s 0.2s cubic-bezier(0.16, 1, 0.3, 1) both,
          badgeShimmer 2.8s 1.5s ease-in-out infinite !important;
      }
      .hero-badge.hero-top-label::before {
        content: '✦';
        background: transparent;
        width: auto;
        height: auto;
        border-radius: 0;
        color: var(--coral);
        font-size: 10px;
        animation: sparkTwinkle 2s ease-in-out infinite;
      }
      #hero.hero--focus .hero-badge.hero-top-label {
        background: rgba(13, 7, 5, 0.55) !important;
        border-color: rgba(255, 107, 74, 0.4) !important;
        animation:
          fadeUp 0.8s 0.2s cubic-bezier(0.16, 1, 0.3, 1) both,
          badgeShimmerFocus 2.8s ease-in-out infinite !important;
      }
      @keyframes badgeShimmer {
        0%,
        100% {
          box-shadow: 0 0 4px rgba(255, 255, 255, 0.1);
        }
        50% {
          box-shadow:
            0 0 14px rgba(255, 255, 255, 0.5),
            0 0 28px rgba(255, 255, 255, 0.18);
        }
      }
      @keyframes badgeShimmerFocus {
        0%,
        100% {
          box-shadow: 0 0 4px rgba(255, 107, 74, 0.15);
        }
        50% {
          box-shadow:
            0 0 14px rgba(255, 107, 74, 0.55),
            0 0 28px rgba(255, 107, 74, 0.22);
        }
      }
      @keyframes sparkTwinkle {
        0%,
        100% {
          opacity: 1;
          transform: scale(1) rotate(0deg);
        }
        25% {
          opacity: 0.1;
          transform: scale(0.5) rotate(-20deg);
        }
        55% {
          opacity: 1;
          transform: scale(1.7) rotate(15deg);
        }
        75% {
          opacity: 0.8;
          transform: scale(1.1) rotate(5deg);
        }
      }
      .hero-sound {
        position: absolute;
        bottom: 28px;
        right: 28px;
        z-index: 3;
        width: 48px;
        height: 48px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        border-radius: 99px;
        background: rgba(255, 107, 74, 0.12);
        border: 1px solid rgba(255, 255, 255, 0.18);
        color: #ffffff;
        cursor: pointer;
        backdrop-filter: blur(8px);
        transition:
          background 0.2s ease,
          border-color 0.2s ease,
          transform 0.2s ease;
      }
      .hero-sound:hover {
        background: rgba(255, 107, 74, 0.24);
        border-color: rgba(255, 255, 255, 0.32);
        transform: translateY(-2px);
      }
      .hero-sound i {
        width: 20px;
        height: 20px;
      }
      @media (max-width: 768px) {
        .hero-sound {
          bottom: 20px;
          right: 20px;
          width: 44px;
          height: 44px;
        }
      }
      .hero-overlay {
        position: absolute;
        inset: 0;
        background:
          radial-gradient(
            ellipse 80% 60% at 50% 100%,
            rgba(255, 107, 74, 0.1) 0%,
            transparent 70%
          ),
          linear-gradient(
            to bottom,
            rgba(40, 18, 8, 0.25) 0%,
            rgba(40, 18, 8, 0.52) 100%
          );
        pointer-events: none;
        transition: opacity 0.6s ease;
      }
      .hero-content {
        position: relative;
        z-index: 2;
        text-align: center;
        transition: opacity 0.6s ease;
        padding: 0 24px;
      }
      .hero-badge {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        background: rgba(255, 107, 74, 0.1);
        border: 1px solid rgba(255, 107, 74, 0.3);
        color: var(--coral-2);
        font-size: 12px;
        font-weight: 600;
        letter-spacing: 0.18em;
        text-transform: uppercase;
        padding: 6px 16px;
        border-radius: 99px;
        margin-bottom: 32px;
        backdrop-filter: blur(8px);
        animation: fadeUp 0.8s 0.2s cubic-bezier(0.16, 1, 0.3, 1) both;
      }
      .hero-badge::before {
        content: '';
        width: 6px;
        height: 6px;
        border-radius: 50%;
        background: var(--coral);
        animation: pulse 2s infinite;
      }
      .hero-content .hero-badge::before {
        display: none;
      }
      /* hero-content 배지는 라벨(pill) 제거하고 텍스트만 */
      .hero-content .hero-badge {
        background: transparent;
        border: none;
        padding: 0;
        backdrop-filter: none;
        box-shadow: none;
        color: rgba(255, 255, 255, 0.72);
        font-size: 15px;
      }
      @keyframes pulse {
        0%,
        100% {
          opacity: 1;
          transform: scale(1);
        }
        50% {
          opacity: 0.5;
          transform: scale(0.7);
        }
      }
      .hero-title {
        font-weight: 700;
        line-height: 0.88;
        letter-spacing: -0.04em;
        font-size: clamp(52px, 10vw, 140px);
        margin: 0;
      }
      .hero-line-1 {
        display: block;
        color: var(--text-1);
        animation: fadeUp 0.9s 0.35s cubic-bezier(0.16, 1, 0.3, 1) both;
      }
      .hero-line-2 {
        display: block;
        background: var(--grad);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
        animation: fadeUp 0.9s 0.5s cubic-bezier(0.16, 1, 0.3, 1) both;
      }
      .hero-subtitle {
        margin-top: 14px;
        font-size: clamp(20px, 3.5vw, 48px);
        font-weight: 600;
        letter-spacing: 0.04em;
        line-height: 1;
        color: rgba(255, 255, 255, 0.9);
        animation: fadeUp 0.9s 0.5s cubic-bezier(0.16, 1, 0.3, 1) both;
      }
      .hero-coming-soon {
        margin-top: 12px;
        font-size: 22px;
        font-weight: 500;
        letter-spacing: 0.18em;
        color: rgba(255, 255, 255, 0.55);
        text-transform: uppercase;
        animation: fadeUp 0.9s 0.65s cubic-bezier(0.16, 1, 0.3, 1) both;
        display: inline-flex;
        gap: 0;
      }
      .hero-coming-soon .cs-char {
        display: inline-block;
        animation: charBounce 2.2s ease-in-out infinite;
      }
      @keyframes charBounce {
        0%,
        55%,
        100% {
          transform: translateY(0);
        }
        25% {
          transform: translateY(-8px);
        }
        40% {
          transform: translateY(-3px);
        }
      }
      @keyframes fadeUp {
        from {
          opacity: 0;
          transform: translateY(24px);
        }
        to {
          opacity: 1;
          transform: none;
        }
      }
      /* corner brackets */
      .hero-brackets {
        position: absolute;
        inset: 40px;
        pointer-events: none;
        z-index: 1;
        transition: opacity 0.6s ease;
      }
      .hero-brackets::before,
      .hero-brackets::after {
        content: '';
        position: absolute;
        width: 32px;
        height: 32px;
        border-color: rgba(255, 107, 74, 0.3);
        border-style: solid;
      }
      .hero-brackets::before {
        top: 0;
        left: 0;
        border-width: 1.5px 0 0 1.5px;
      }
      .hero-brackets::after {
        bottom: 0;
        right: 0;
        border-width: 0 1.5px 1.5px 0;
      }
      /* scroll cue */
      .hero-scroll {
        position: absolute;
        bottom: 36px;
        left: 50%;
        transform: translateX(-50%);
        z-index: 3;
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 8px;
        animation: fadeUp 1s 0.8s both;
        transition: opacity 0.6s ease;
      }
      /* focus mode caption — badge-style label (top-left, shown when sound is on) */
      .hero-focus-caption {
        position: absolute;
        top: 40px;
        left: clamp(20px, 5vw, 48px);
        z-index: 3;
        display: inline-flex;
        align-items: center;
        gap: 8px;
        padding: 8px 18px;
        border-radius: 99px;
        background: rgba(13, 7, 5, 0.55);
        border: 1px solid rgba(255, 107, 74, 0.35);
        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.35);
        font-size: 13px;
        font-weight: 600;
        letter-spacing: 0.12em;
        color: #ffffff;
        opacity: 0;
        pointer-events: none;
        transition: opacity 0.6s ease;
      }
      .hero-focus-caption::before {
        content: '';
        width: 6px;
        height: 6px;
        border-radius: 50%;
        background: var(--coral);
        animation: pulse 2s infinite;
        flex-shrink: 0;
      }
      .hero-focus-caption .dot {
        color: var(--coral);
      }
      /* sound ON → focus mode */
      #hero.hero--focus video {
        opacity: 1;
      }
      #hero.hero--focus .hero-overlay {
        opacity: 0;
      }
      #hero.hero--focus .hero-content,
      #hero.hero--focus .hero-scroll {
        opacity: 0;
        pointer-events: none;
      }
      #hero.hero--focus .hero-brackets {
        opacity: 0;
      }
      #hero.hero--focus .hero-focus-caption {
        opacity: 1;
      }
      @media (max-width: 768px) {
        .hero-focus-caption {
          top: 24px;
          font-size: 12px;
        }
      }
      .hero-scroll span {
        font-size: 9px;
        font-weight: 700;
        letter-spacing: 0.3em;
        text-transform: uppercase;
        color: rgba(255, 255, 255, 0.35);
      }
      .hero-scroll-line {
        width: 1px;
        height: 40px;
        background: linear-gradient(
          to bottom,
          rgba(255, 107, 74, 0.6),
          transparent
        );
        animation: scrollLine 2s ease-in-out infinite;
      }
      @keyframes scrollLine {
        0%,
        100% {
          transform: scaleY(1);
          opacity: 0.6;
        }
        50% {
          transform: scaleY(0.5) translateY(20px);
          opacity: 0.3;
        }
      }

      /* ═══════════════════════════════════════════════
       2. BRAND STORY — Split layout + value cards
    ═══════════════════════════════════════════════ */
      #about {
        background: var(--bg-1);
        position: relative;
        overflow: hidden;
      }
      #about::before {
        content: '';
        position: absolute;
        top: -200px;
        right: -200px;
        width: 600px;
        height: 600px;
        border-radius: 50%;
        background: radial-gradient(
          circle,
          rgba(255, 107, 74, 0.05) 0%,
          transparent 70%
        );
        pointer-events: none;
      }
      .about-inner {
        max-width: 1212px;
        margin: 0 auto;
        padding: 100px 24px;
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 80px;
        align-items: stretch;
      }
      @media (max-width: 900px) {
        .about-inner {
          grid-template-columns: 1fr;
          gap: 56px;
          padding: 72px 24px;
        }
      }
      .about-story-heading {
        font-size: clamp(34px, 4.5vw, 52px);
        font-weight: 800;
        line-height: 1.15;
        letter-spacing: -0.03em;
        color: var(--text-1);
        margin: 0 0 28px;
      }
      .about-lead {
        font-size: 18px;
        line-height: 1.85;
        color: var(--text-2);
        margin-bottom: 24px;
        font-weight: 500;
        padding-left: 16px;
        border-left: 2px solid var(--coral);
      }
      .about-body p {
        font-size: 16px;
        line-height: 1.9;
        color: var(--text-3);
        margin-bottom: 4px;
      }
      .about-body p:last-child {
        margin-bottom: 0;
      }

      /* Value cards stack */
      .value-stack {
        display: flex;
        flex-direction: column;
        justify-content: center;
        position: relative;
        height: 100%;
      }

      .value-card {
        display: flex;
        gap: 20px;
        align-items: flex-start;
        padding: 24px;
        background: var(--surface);
        border: 1px solid var(--border);
        border-radius: var(--r-lg);
        margin-bottom: 12px;
        position: relative;
        transition:
          border-color 0.3s,
          background 0.3s;
      }
      .value-card:last-child {
        margin-bottom: 0;
      }
      .value-card:hover {
        border-color: rgba(255, 107, 74, 0.3);
        background: rgba(255, 107, 74, 0.04);
      }
      .value-num {
        width: 44px;
        height: 44px;
        border-radius: 12px;
        background: var(--grad);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 14px;
        font-weight: 900;
        color: white;
        flex-shrink: 0;
        position: relative;
        z-index: 1;
      }
      .value-title {
        font-size: 18px;
        font-weight: 800;
        color: var(--text-1);
        margin-bottom: 6px;
      }
      .value-desc {
        font-size: 15px;
        line-height: 1.75;
        color: var(--text-2);
      }

      /* ═══════════════════════════════════════════════
       3. AI FEATURES — Dark bento + glow cards
    ═══════════════════════════════════════════════ */
      #ai-features {
        background: var(--bg-0);
        position: relative;
        overflow: hidden;
      }
      /* Subtle grid background */
      #ai-features::before {
        content: '';
        position: absolute;
        inset: 0;
        background-image:
          linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
          linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
        background-size: 60px 60px;
        pointer-events: none;
      }
      .ai-header {
        text-align: center;
        max-width: 720px;
        margin: 0 auto 56px;
      }
      .ai-heading {
        font-size: clamp(30px, 4vw, 48px);
        font-weight: 800;
        line-height: 1.2;
        letter-spacing: -0.03em;
        color: var(--text-1);
        margin-bottom: 16px;
      }
      .ai-sub {
        font-size: 17px;
        line-height: 1.8;
        color: var(--text-2);
      }
      /* AI cards */
      .ai-grid-top {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 16px;
        margin-bottom: 16px;
      }
      .ai-grid-bot {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
      }
      @media (max-width: 900px) {
        .ai-grid-top {
          grid-template-columns: 1fr;
        }
        .ai-grid-bot {
          grid-template-columns: 1fr;
        }
      }
      @media (min-width: 640px) and (max-width: 900px) {
        .ai-grid-top {
          grid-template-columns: repeat(2, 1fr);
        }
        .ai-grid-bot {
          grid-template-columns: repeat(2, 1fr);
        }
      }
      .ai-card-new {
        position: relative;
        background: var(--surface);
        border: 1px solid var(--border);
        border-radius: var(--r-xl);
        padding: 32px;
        overflow: hidden;
        cursor: default;
        transition:
          border-color 0.4s,
          transform 0.4s cubic-bezier(0.16, 1, 0.3, 1),
          box-shadow 0.4s cubic-bezier(0.16, 1, 0.3, 1);
      }
      .ai-card-new::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        height: 2px;
        background: var(--grad);
        opacity: 0;
        transition: opacity 0.35s;
      }
      .ai-card-new:hover {
        border-color: rgba(255, 107, 74, 0.25);
        transform: translateY(-5px);
        box-shadow:
          0 24px 48px -12px rgba(255, 107, 74, 0.15),
          0 0 0 1px rgba(255, 107, 74, 0.08);
      }
      .ai-card-new:hover::before {
        opacity: 1;
      }
      /* Card number watermark */
      .ai-card-num {
        position: absolute;
        top: 16px;
        right: 20px;
        font-size: 72px;
        font-weight: 900;
        color: rgba(120, 70, 40, 0.05);
        line-height: 1;
        letter-spacing: -0.05em;
        pointer-events: none;
      }
      /* Card icon */
      .ai-icon-wrap {
        width: 52px;
        height: 52px;
        border-radius: 14px;
        background: rgba(255, 107, 74, 0.1);
        border: 1px solid rgba(255, 107, 74, 0.2);
        display: flex;
        align-items: center;
        justify-content: center;
        margin-bottom: 20px;
        position: relative;
        z-index: 1;
      }
      .ai-icon-wrap svg {
        color: var(--coral);
      }
      .ai-card-title {
        font-size: 22px;
        font-weight: 800;
        color: var(--text-1);
        margin-bottom: 10px;
        line-height: 1.3;
      }
      .ai-card-desc {
        font-size: 15px;
        line-height: 1.8;
        color: var(--text-2);
        margin-bottom: 18px;
      }
      .ai-tags {
        display: flex;
        flex-wrap: wrap;
        gap: 6px;
      }
      .ai-tag {
        font-size: 12px;
        font-weight: 600;
        padding: 4px 10px;
        border-radius: 99px;
        background: rgba(255, 107, 74, 0.08);
        border: 1px solid rgba(255, 107, 74, 0.15);
        color: var(--coral-2);
      }

      /* ═══════════════════════════════════════════════
       4. PROCESS — Timeline with step cards
    ═══════════════════════════════════════════════ */
      #process {
        background: var(--bg-2);
        position: relative;
      }
      .process-header {
        text-align: center;
        max-width: 680px;
        margin: 0 auto 48px;
      }
      .section-heading {
        font-size: clamp(28px, 4vw, 46px);
        font-weight: 800;
        line-height: 1.2;
        letter-spacing: -0.03em;
        color: var(--text-1);
        margin-bottom: 14px;
      }
      .section-sub {
        font-size: 17px;
        line-height: 1.8;
        color: var(--text-2);
      }

      /* Tab redesign */
      .tab-bar {
        display: flex;
        justify-content: center;
        margin-bottom: 48px;
      }
      .tab-wrap {
        display: flex;
        background: var(--surface);
        border: 1px solid var(--border-m);
        border-radius: 16px;
        padding: 5px;
        gap: 4px;
      }
      .tab-btn {
        font-family: 'Pretendard', sans-serif;
        font-size: 16px;
        font-weight: 700;
        padding: 10px 52px;
        border-radius: 11px;
        border: none;
        cursor: pointer;
        transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
        background: transparent;
        color: var(--text-3);
        min-height: 48px;
      }
      .tab-btn[aria-selected='true'] {
        background: var(--grad);
        color: white;
        box-shadow: 0 4px 16px rgba(255, 107, 74, 0.3);
      }
      .tab-btn:not([aria-selected='true']):hover {
        color: var(--text-2);
        background: var(--surface-2);
      }

      /* Step layout desktop */
      .step-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 20px;
        position: relative;
      }
      @media (max-width: 768px) {
        .step-grid {
          grid-template-columns: 1fr;
        }
      }
      /* Connecting line */
      .step-line {
        position: absolute;
        top: 28px;
        left: calc(12.5% + 10px);
        right: calc(12.5% + 10px);
        height: 1px;
        background: linear-gradient(
          90deg,
          transparent,
          rgba(255, 107, 74, 0.4) 20%,
          rgba(255, 154, 61, 0.4) 80%,
          transparent
        );
        display: none;
      }
      @media (min-width: 1024px) {
        .step-line {
          display: block;
        }
      }

      .step-card {
        display: flex;
        flex-direction: column;
        align-items: center;
        text-align: center;
        position: relative;
        z-index: 1;
      }
      .step-num-wrap {
        width: 56px;
        height: 56px;
        border-radius: 16px;
        background: var(--grad);
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        margin-bottom: 20px;
        box-shadow: 0 8px 24px rgba(255, 107, 74, 0.25);
        transition:
          transform 0.3s,
          box-shadow 0.3s;
      }
      .step-card:hover .step-num-wrap {
        transform: translateY(-3px);
        box-shadow: 0 12px 32px rgba(255, 107, 74, 0.35);
      }
      .step-num-wrap .step-label {
        font-size: 8px;
        font-weight: 900;
        letter-spacing: 0.1em;
        color: rgba(255, 255, 255, 0.7);
        text-transform: uppercase;
      }
      .step-num-wrap .step-n {
        font-size: 20px;
        font-weight: 900;
        color: white;
        line-height: 1;
      }
      .step-title {
        font-size: 18px;
        font-weight: 800;
        color: var(--text-1);
        margin-bottom: 8px;
        line-height: 1.3;
      }
      .step-desc {
        font-size: 15px;
        line-height: 1.75;
        color: var(--text-2);
      }

      /* Mobile step layout */
      .step-mobile {
        display: none;
      }
      @media (max-width: 767px) {
        .step-mobile {
          display: flex;
          flex-direction: column;
        }
        .step-desktop {
          display: none;
        }
      }
      @media (min-width: 768px) {
        .step-mobile {
          display: none;
        }
        .step-desktop {
          display: block;
        }
      }
      .step-row-mobile {
        display: flex;
        gap: 16px;
        padding-bottom: 0;
      }
      .step-timeline-col {
        display: flex;
        flex-direction: column;
        align-items: center;
        flex-shrink: 0;
      }
      .step-line-v {
        flex: 1;
        width: 1px;
        background: linear-gradient(
          to bottom,
          rgba(255, 107, 74, 0.5),
          rgba(255, 154, 61, 0.3)
        );
        margin-top: 8px;
      }
      .step-content-col {
        padding-bottom: 32px;
        padding-top: 4px;
      }
      .step-title-m {
        font-size: 20px;
        font-weight: 800;
        color: var(--text-1);
        margin-bottom: 6px;
      }
      .step-desc-m {
        font-size: 17px;
        line-height: 1.8;
        color: var(--text-2);
      }

      /* ═══════════════════════════════════════════════
       5. HIRING BANNER — Full gradient + diagonal
    ═══════════════════════════════════════════════ */
      #hiring {
        padding: 80px 24px;
        background: var(--bg-1);
      }
      .hiring-card {
        background: var(--grad);
        border-radius: 28px;
        overflow: hidden;
        position: relative;
        box-shadow: 0 32px 64px -16px rgba(255, 107, 74, 0.3);
      }
      .hiring-card::before {
        content: '';
        position: absolute;
        inset: 0;
        background: repeating-linear-gradient(
          -55deg,
          rgba(255, 255, 255, 0.03) 0px,
          rgba(255, 255, 255, 0.03) 1px,
          transparent 1px,
          transparent 16px
        );
        pointer-events: none;
      }
      .hiring-card::after {
        content: '';
        position: absolute;
        top: -100px;
        right: -100px;
        width: 400px;
        height: 400px;
        border-radius: 50%;
        background: rgba(255, 255, 255, 0.06);
        pointer-events: none;
      }
      .hiring-inner {
        position: relative;
        z-index: 1;
        padding: 56px 56px;
        max-width: 1212px;
        margin: 0 auto;
        text-align: center;
      }
      @media (max-width: 768px) {
        .hiring-inner {
          padding: 40px 28px;
        }
      }
      .hiring-heading {
        font-size: clamp(24px, 3.5vw, 40px);
        font-weight: 900;
        line-height: 1.2;
        color: white;
        letter-spacing: -0.03em;
        margin-bottom: 16px;
      }
      .hiring-sub {
        font-size: 17px;
        line-height: 1.85;
        color: rgba(255, 255, 255, 0.82);
        margin: 0 auto 24px;
        max-width: 540px;
      }
      .hiring-tags {
        display: flex;
        flex-wrap: wrap;
        gap: 8px;
        justify-content: center;
      }
      .hiring-tag {
        font-size: 13px;
        font-weight: 600;
        padding: 7px 16px;
        border-radius: 99px;
        background: rgba(255, 255, 255, 0.18);
        border: 1px solid rgba(255, 255, 255, 0.3);
        color: white;
        backdrop-filter: blur(8px);
      }

      /* ═══════════════════════════════════════════════
       6. STRENGTHS — Bento grid
    ═══════════════════════════════════════════════ */
      #strengths {
        background: var(--bg-0);
        position: relative;
      }
      .strengths-header {
        text-align: center;
        max-width: 700px;
        margin: 0 auto 56px;
      }
      .str-grid {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
        margin-bottom: 16px;
      }
      @media (max-width: 640px) {
        .str-grid {
          grid-template-columns: 1fr;
        }
      }

      .str-card {
        background: var(--surface);
        border: 1px solid var(--border);
        border-radius: var(--r-xl);
        padding: 32px;
        position: relative;
        overflow: hidden;
        transition:
          border-color 0.4s,
          transform 0.4s cubic-bezier(0.16, 1, 0.3, 1),
          box-shadow 0.4s cubic-bezier(0.16, 1, 0.3, 1);
      }
      .str-card::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        width: 3px;
        height: 0;
        background: var(--grad);
        transition: height 0.45s cubic-bezier(0.16, 1, 0.3, 1);
      }
      .str-card:hover {
        border-color: rgba(255, 107, 74, 0.3);
        transform: translateY(-3px);
        box-shadow: 0 16px 40px rgba(255, 107, 74, 0.1);
      }
      .str-card:hover::before {
        height: 100%;
      }
      .str-icon-wrap {
        width: 52px;
        height: 52px;
        border-radius: 14px;
        background: rgba(255, 107, 74, 0.1);
        border: 1px solid rgba(255, 107, 74, 0.15);
        display: flex;
        align-items: center;
        justify-content: center;
        margin-bottom: 16px;
      }
      .str-icon-wrap svg {
        color: var(--coral);
      }
      .str-badge {
        font-size: 10px;
        font-weight: 700;
        letter-spacing: 0.18em;
        text-transform: uppercase;
        color: var(--coral);
        margin-bottom: 8px;
        display: block;
      }
      .str-title {
        font-size: 22px;
        font-weight: 800;
        color: var(--text-1);
        margin-bottom: 10px;
        line-height: 1.3;
      }
      .str-desc {
        font-size: 16px;
        line-height: 1.8;
        color: var(--text-2);
      }

      /* Indicator row */
      .ind-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 12px;
      }
      @media (max-width: 640px) {
        .ind-grid {
          grid-template-columns: repeat(2, 1fr);
        }
      }

      .ind-card {
        background: var(--surface);
        border: 1px solid var(--border);
        border-radius: var(--r);
        padding: 20px 16px;
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 10px;
        transition:
          border-color 0.3s,
          transform 0.3s;
      }
      .ind-card:hover {
        border-color: rgba(255, 107, 74, 0.25);
        transform: translateY(-2px);
      }
      .ind-card svg {
        color: var(--coral);
      }
      .ind-label {
        font-size: 14px;
        font-weight: 700;
        color: var(--text-1);
        text-align: center;
      }

      /* ═══════════════════════════════════════════════
       7. FINAL CTA — Ambient glow dark
    ═══════════════════════════════════════════════ */
      #cta {
        /* dark section — overrides global light theme just for CTA */
        --text-1: #fdf6f1;
        --text-2: #d8c3b4;
        --text-3: #a98a72;
        background: #0d0705;
        position: relative;
        overflow: hidden;
        isolation: isolate;
        min-height: 100vh;
        display: flex;
        flex-direction: column;
        justify-content: center;
      }
      #cta::before {
        content: '';
        position: absolute;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
        width: 800px;
        height: 800px;
        border-radius: 50%;
        background: radial-gradient(
          circle,
          rgba(255, 107, 74, 0.1) 0%,
          rgba(255, 154, 61, 0.05) 40%,
          transparent 70%
        );
        pointer-events: none;
        z-index: 1;
      }
      /* Lattice pattern */
      #cta::after {
        content: '';
        position: absolute;
        inset: 0;
        background-image:
          repeating-linear-gradient(
            60deg,
            rgba(120, 70, 40, 0.03) 0px,
            rgba(120, 70, 40, 0.03) 1px,
            transparent 1px,
            transparent 48px
          ),
          repeating-linear-gradient(
            -60deg,
            rgba(120, 70, 40, 0.03) 0px,
            rgba(120, 70, 40, 0.03) 1px,
            transparent 1px,
            transparent 48px
          );
        pointer-events: none;
        z-index: 1;
      }

      /* ── JARVIS core — focused holographic reactor behind the text ── */
      .cta-core {
        position: absolute;
        top: 50%;
        left: 50%;
        width: 620px;
        height: 620px;
        margin: -310px 0 0 -310px;
        z-index: 0;
        pointer-events: none;
        border-radius: 50%;
        mix-blend-mode: normal;
        /* soft energy core glow */
        background: radial-gradient(
          circle at 50% 50%,
          rgba(160, 100, 255, 0.24) 0%,
          rgba(255, 107, 74, 0.1) 22%,
          transparent 52%
        );
        animation: corePulse 5s ease-in-out infinite;
      }
      /* rotating radar sweep beam */
      .cta-core::before {
        content: '';
        position: absolute;
        inset: 0;
        border-radius: 50%;
        background: conic-gradient(
          from 0deg,
          rgba(160, 100, 255, 0.32) 0deg,
          rgba(160, 100, 255, 0.07) 28deg,
          transparent 72deg,
          transparent 360deg
        );
        -webkit-mask: radial-gradient(
          circle,
          transparent 13%,
          #000 16%,
          #000 70%,
          transparent 73%
        );
        mask: radial-gradient(
          circle,
          transparent 13%,
          #000 16%,
          #000 70%,
          transparent 73%
        );
        animation: coreSweep 7s linear infinite;
      }
      /* sonar ping pulsing outward */
      .cta-core::after {
        content: '';
        position: absolute;
        top: 50%;
        left: 50%;
        width: 32%;
        height: 32%;
        margin: -16% 0 0 -16%;
        border-radius: 50%;
        border: 1px solid rgba(255, 107, 74, 0.5);
        animation: corePing 4.5s ease-out infinite;
      }
      @keyframes coreSweep {
        to {
          transform: rotate(360deg);
        }
      }
      @keyframes corePulse {
        0%,
        100% {
          opacity: 0.85;
        }
        50% {
          opacity: 1;
        }
      }
      @keyframes corePing {
        0% {
          transform: scale(0.55);
          opacity: 0.7;
        }
        80% {
          opacity: 0;
        }
        100% {
          transform: scale(2.6);
          opacity: 0;
        }
      }

      .cta-inner {
        position: relative;
        z-index: 2;
        text-align: center;
        max-width: 780px;
        margin: 0 auto;
        padding: 120px 24px;
      }
      .cta-heading {
        font-size: clamp(30px, 5vw, 54px);
        font-weight: 900;
        line-height: 1.18;
        letter-spacing: -0.04em;
        color: var(--text-1);
        margin-bottom: 24px;
      }
      .cta-heading span {
        background: var(--grad);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
      }
      .cta-sub-lg {
        font-size: clamp(16px, 2.5vw, 22px);
        line-height: 1.8;
        color: var(--text-2);
        margin-bottom: 12px;
      }
      .cta-sub-sm {
        font-size: 15px;
        color: var(--text-3);
      }
      /* coming-soon pill (hero-badge style, scaled up) */
      .cta-badge {
        display: inline-flex;
        align-items: center;
        gap: 9px;
        margin-top: 36px;
        padding: 9px 22px;
        border-radius: 99px;
        font-size: 14px;
        font-weight: 700;
        letter-spacing: 0.14em;
        color: var(--coral-2);
        background: rgba(255, 107, 74, 0.1);
        border: 1px solid rgba(255, 107, 74, 0.3);
        backdrop-filter: blur(8px);
        animation: badgeGlow 2.4s ease-in-out infinite;
      }
      @keyframes badgeGlow {
        0%,
        100% {
          border-color: rgba(255, 107, 74, 0.28);
          box-shadow: 0 0 0 rgba(255, 107, 74, 0);
        }
        50% {
          border-color: rgba(255, 107, 74, 0.85);
          box-shadow: 0 0 16px rgba(255, 107, 74, 0.4);
        }
      }
      /* HUD concentric rings */
      .cta-ring {
        position: absolute;
        top: 50%;
        left: 50%;
        width: 560px;
        height: 560px;
        margin: -280px 0 0 -280px;
        border-radius: 50%;
        border: 1px dashed rgba(160, 100, 255, 0.18);
        pointer-events: none;
        z-index: 1;
        animation: ringSpin 48s linear infinite;
      }
      .cta-ring::before {
        content: '';
        position: absolute;
        top: -3px;
        left: 50%;
        width: 6px;
        height: 6px;
        margin-left: -3px;
        border-radius: 50%;
        background: #a064ff;
        box-shadow: 0 0 12px 2px rgba(160, 100, 255, 0.7);
      }
      .cta-ring-2 {
        width: 380px;
        height: 380px;
        margin: -190px 0 0 -190px;
        border: 1px solid rgba(255, 107, 74, 0.14);
        animation: ringSpin 34s linear infinite reverse;
      }
      .cta-ring-2::before {
        background: var(--coral);
        box-shadow: 0 0 12px 2px rgba(255, 107, 74, 0.7);
      }
      @keyframes ringSpin {
        to {
          transform: rotate(360deg);
        }
      }

      @media (max-width: 768px) {
        .cta-core {
          width: 420px;
          height: 420px;
          margin: -210px 0 0 -210px;
        }
        .cta-ring {
          width: 380px;
          height: 380px;
          margin: -190px 0 0 -190px;
        }
        .cta-ring-2 {
          width: 260px;
          height: 260px;
          margin: -130px 0 0 -130px;
        }
      }
      @media (prefers-reduced-motion: reduce) {
        .cta-core,
        .cta-core::before,
        .cta-core::after,
        .cta-ring,
        .cta-ring-2,
        .cta-badge {
          animation: none !important;
        }
      }

      /* ═══════════════════════════════════════════════
       8. FOOTER
    ═══════════════════════════════════════════════ */
      #contact {
        background: var(--bg-0);
        border-top: 1px solid var(--border);
      }
      .footer-inner {
        max-width: 1212px;
        margin: 0 auto;
        padding: 48px 24px 36px;
      }
      .footer-main {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 24px;
        margin-bottom: 32px;
        text-align: center;
      }
      .footer-text {
        display: flex;
        flex-direction: column;
        align-items: center;
      }
      .footer-brand {
        display: flex;
        align-items: center;
        gap: 10px;
        flex-shrink: 0;
      }
      .footer-logo-img {
        height: 48px;
        width: auto;
        display: block;
      }
      .footer-tagline {
        font-size: 18px;
        font-weight: 600;
        color: var(--text-2);
        margin-bottom: 14px;
      }
      .footer-company {
        display: flex;
        flex-direction: column;
        gap: 6px;
        margin-bottom: 28px;
      }
      .footer-company-line {
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        justify-content: center;
        gap: 8px;
        font-size: 15px;
        color: var(--text-3);
        line-height: 1.6;
      }
      .footer-company-line a {
        color: inherit;
        text-decoration: none;
        border-bottom: 1px dashed rgba(120,80,60,0.35);
        padding-bottom: 1px;
        transition: color 0.2s ease, border-color 0.2s ease;
      }
      .footer-company-line a:hover {
        color: var(--coral);
        border-bottom-color: var(--coral);
      }
      .footer-dot {
        color: var(--text-3);
        opacity: 0.5;
      }
      .footer-divider {
        height: 1px;
        background: var(--border);
        margin-bottom: 24px;
      }
      @media (max-width: 768px) {
        .footer-dot {
          display: none;
        }
        .footer-company-line {
          gap: 2px;
          flex-direction: column;
          align-items: center;
        }
      }
      .footer-bot {
        display: flex;
        align-items: center;
        justify-content: space-between;
        flex-wrap: wrap;
        gap: 8px;
      }
      .footer-copy {
        font-size: 15px;
        color: var(--text-3);
      }

      /* ═══════════════════════════════════════════════
       SECTION PADDING (shared)
    ═══════════════════════════════════════════════ */
      .sec-pad {
        padding: 100px 0;
      }
      @media (max-width: 768px) {
        .sec-pad {
          padding: 72px 0;
        }
      }

      /* ═══════════════════════════════════════════════
       SECTION GROUPS
    ═══════════════════════════════════════════════ */
      .group-wrap {
        position: relative;
      }

      /* AI group hero banner */
      .group-hero-band {
        background: var(--bg-0);
        position: relative;
        overflow: hidden;
        padding: 100px 0 0;
        text-align: center;
      }
      .group-hero-band::before {
        content: '';
        position: absolute;
        inset: 0;
        background-image:
          linear-gradient(rgba(255, 255, 255, 0.015) 1px, transparent 1px),
          linear-gradient(
            90deg,
            rgba(255, 255, 255, 0.015) 1px,
            transparent 1px
          );
        background-size: 60px 60px;
        pointer-events: none;
      }
      .group-eyebrow {
        display: inline-flex;
        align-items: center;
        gap: 12px;
        font-size: 11px;
        font-weight: 700;
        letter-spacing: 0.32em;
        text-transform: uppercase;
        color: var(--coral);
        margin-bottom: 24px;
      }
      .group-eyebrow::before,
      .group-eyebrow::after {
        content: '';
        width: 36px;
        height: 1px;
        background: var(--coral);
        opacity: 0.45;
        flex-shrink: 0;
      }
      .group-hero-title {
        font-size: clamp(44px, 7vw, 86px);
        font-weight: 900;
        letter-spacing: -0.04em;
        line-height: 1.05;
        color: var(--text-1);
        margin-bottom: 20px;
      }
      .group-hero-title em {
        font-style: normal;
        background: var(--grad);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
        display: inline-block;
        animation: aiBounce 1.8s ease-in-out infinite;
      }
      @keyframes aiBounce {
        0%,
        100% {
          transform: translateY(0);
        }
        50% {
          transform: translateY(-6px);
        }
      }
      @media (prefers-reduced-motion: reduce) {
        .group-hero-title em {
          animation: none;
        }
      }

      /* ═══════════════════════════════════════════════
       LIGHT SECTIONS — Brand Story & Strengths
    ═══════════════════════════════════════════════ */

      /* shared light palette */
      #about,
      #strengths {
        --lt-bg: #ffffff;
        --lt-card: #ffffff;
        --lt-border: rgba(180, 110, 70, 0.15);
        --lt-text-1: #1c0e06;
        --lt-text-2: #5a3a22;
        --lt-text-3: #8a6040;
      }

      /* ── Brand Story ── */
      #about {
        background: var(--lt-bg);
      }
      #about::before {
        background: radial-gradient(
          circle,
          rgba(255, 107, 74, 0.07) 0%,
          transparent 70%
        );
      }
      #about .about-story-heading {
        color: var(--lt-text-1);
      }
      #about .about-lead {
        color: var(--lt-text-2);
        border-left-color: var(--coral);
      }
      #about .about-body p {
        color: var(--lt-text-3);
      }
      #about .section-tag {
        color: var(--coral);
      }

      #about .value-card {
        background: var(--lt-card);
        border-color: var(--lt-border);
        box-shadow: 0 2px 16px rgba(160, 90, 40, 0.07);
      }
      #about .value-card:hover {
        border-color: rgba(255, 107, 74, 0.35);
        background: #fff8f2;
        box-shadow: 0 8px 32px rgba(255, 107, 74, 0.1);
      }
      #about .value-title {
        color: var(--lt-text-1);
      }
      #about .value-desc {
        color: var(--lt-text-2);
      }

      #strengths {
        background: var(--lt-bg);
      }
      #strengths .section-heading {
        color: var(--lt-text-1);
      }
      #strengths .section-sub {
        color: var(--lt-text-2);
      }
      #strengths .section-tag {
        color: var(--coral);
      }

      #strengths .str-card {
        background: var(--lt-card);
        border-color: var(--lt-border);
        box-shadow: 0 2px 16px rgba(160, 90, 40, 0.07);
      }
      #strengths .str-card:hover {
        border-color: rgba(255, 107, 74, 0.35);
        box-shadow: 0 16px 40px rgba(255, 107, 74, 0.12);
      }
      #strengths .str-title {
        color: var(--lt-text-1);
      }
      #strengths .str-desc {
        color: var(--lt-text-2);
      }
      #strengths .str-badge {
        color: var(--coral);
      }
      #strengths .str-icon-wrap {
        background: rgba(255, 107, 74, 0.08);
        border-color: rgba(255, 107, 74, 0.18);
      }

      #strengths .ind-card {
        background: var(--lt-card);
        border-color: var(--lt-border);
        box-shadow: 0 2px 10px rgba(160, 90, 40, 0.06);
      }
      #strengths .ind-card:hover {
        border-color: rgba(255, 107, 74, 0.3);
      }
      #strengths .ind-label {
        color: var(--lt-text-1);
      }

      /* ── AI Features group → light (token remap) ── */
      .group-hero-band,
      #ai-features {
        --bg-0: #ffffff;
        --bg-1: #ffffff;
        --bg-2: #f7f2ec;
        --surface: #ffffff;
        --surface-2: #fff8f2;
        --border: rgba(180, 110, 70, 0.15);
        --border-m: rgba(180, 110, 70, 0.22);
        --border-h: rgba(180, 110, 70, 0.32);
        --text-1: #1c0e06;
        --text-2: #5a3a22;
        --text-3: #8a6040;
        background: #ffffff;
      }
      /* faint grid lines were white-on-dark → switch to warm dark-on-light */
      .group-hero-band::before {
        background-image:
          linear-gradient(rgba(120, 70, 40, 0.045) 1px, transparent 1px),
          linear-gradient(90deg, rgba(120, 70, 40, 0.045) 1px, transparent 1px);
      }
      #ai-features::before {
        background-image:
          linear-gradient(rgba(120, 70, 40, 0.05) 1px, transparent 1px),
          linear-gradient(90deg, rgba(120, 70, 40, 0.05) 1px, transparent 1px);
      }
      /* card number watermark was white-on-dark → warm dark-on-light */
      #ai-features .ai-card-num {
        color: rgba(120, 70, 40, 0.06);
      }
      /* white cards need a soft lift on the cream background */
      #ai-features .ai-card-new {
        box-shadow: 0 2px 16px rgba(160, 90, 40, 0.07);
      }
      #ai-features .ai-card-new:hover {
        box-shadow:
          0 24px 48px -12px rgba(255, 107, 74, 0.18),
          0 0 0 1px rgba(255, 107, 74, 0.08);
      }
      #ai-features .tab-wrap {
        box-shadow: 0 2px 12px rgba(160, 90, 40, 0.06);
      }

      /* ═══════════════════════════════════════════════
       TAILWIND OVERRIDES
    ═══════════════════════════════════════════════ */
      /* Kill old section-label styling */
      .section-label {
        display: none !important;
      }

      /* ═══ D: 기존 AI 강조 ═══════════════════════════ */
      .hero-badge {
        box-shadow:
          0 0 20px rgba(255, 107, 74, 0.3),
          0 0 48px rgba(255, 107, 74, 0.12);
      }
      .ai-word {
        background: var(--grad);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
      }
      .str-card--ai {
        border-color: rgba(255, 107, 74, 0.35) !important;
        box-shadow: 0 4px 32px rgba(255, 107, 74, 0.1) !important;
      }
      .hero-ai-line {
        margin-top: 20px;
        font-size: clamp(18px, 2.8vw, 32px);
        font-weight: 700;
        letter-spacing: -0.02em;
        color: rgba(255, 255, 255, 0.9);
        animation: fadeUp 0.9s 0.6s cubic-bezier(0.16, 1, 0.3, 1) both;
        line-height: 1.2;
      }
      .hero-ai-line em {
        font-style: normal;
        background: var(--grad);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
      }
      #hero.hero--focus .hero-ai-line {
        opacity: 0;
        pointer-events: none;
      }

      /* ═══ E: AI 매칭 비주얼 (다크, 임팩트) ══════════ */
      #ai-match-visual {
        background: #0d0705;
        padding: 96px 0 88px;
        text-align: center;
        position: relative;
        overflow: hidden;
      }
      #ai-match-visual::before {
        content: '';
        position: absolute;
        top: -40%;
        left: 50%;
        transform: translateX(-50%);
        width: 700px;
        height: 700px;
        border-radius: 50%;
        background: radial-gradient(
          ellipse,
          rgba(255, 107, 74, 0.12) 0%,
          transparent 65%
        );
        pointer-events: none;
      }
      .amv-inner {
        position: relative;
        z-index: 1;
        max-width: 960px;
        margin: 0 auto;
        padding: 0 24px;
      }
      .amv-label {
        font-size: 11px;
        font-weight: 700;
        letter-spacing: 0.24em;
        text-transform: uppercase;
        color: var(--coral);
        margin-bottom: 20px;
        display: inline-flex;
        align-items: center;
        gap: 8px;
      }
      .amv-label::before {
        content: '';
        display: block;
        width: 20px;
        height: 1.5px;
        background: var(--coral);
        opacity: 0.6;
      }
      .amv-heading {
        font-size: clamp(32px, 5vw, 64px);
        font-weight: 700;
        letter-spacing: -0.04em;
        line-height: 1.1;
        color: #fff;
        margin: 0 0 40px;
      }
      .amv-heading em {
        font-style: normal;
        background: var(--grad);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
      }
      .amv-scene {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 0;
        margin-bottom: 36px;
      }
      .amv-card {
        flex: 0 0 220px;
        background: rgba(255, 255, 255, 0.04);
        border: 1px solid rgba(255, 107, 74, 0.25);
        border-radius: var(--r-xl);
        padding: 28px 24px;
        text-align: left;
        transition:
          opacity 0.35s ease,
          border-color 0.4s;
        backdrop-filter: blur(8px);
      }
      .amv-card-role {
        font-size: 10px;
        font-weight: 700;
        letter-spacing: 0.2em;
        text-transform: uppercase;
        color: var(--coral-2);
        margin-bottom: 12px;
      }
      .amv-card-name {
        font-size: 17px;
        font-weight: 700;
        color: #fff;
        margin-bottom: 8px;
        letter-spacing: -0.01em;
      }
      .amv-card-meta {
        font-size: 12px;
        color: rgba(255, 255, 255, 0.45);
        line-height: 1.7;
      }
      /* 연결 브릿지 */
      .amv-bridge {
        display: flex;
        align-items: center;
        flex: 1;
        max-width: 340px;
        position: relative;
      }
      .amv-wire {
        flex: 1;
        height: 2px;
        background: linear-gradient(
          to right,
          rgba(255, 107, 74, 0.15),
          rgba(255, 107, 74, 0.4)
        );
        position: relative;
        overflow: visible;
      }
      .amv-wire-r {
        background: linear-gradient(
          to right,
          rgba(255, 107, 74, 0.4),
          rgba(255, 107, 74, 0.15)
        );
      }
      .amv-particle {
        position: absolute;
        top: 50%;
        transform: translateY(-50%);
        width: 6px;
        height: 6px;
        border-radius: 50%;
        background: var(--coral);
        box-shadow: 0 0 8px rgba(255, 107, 74, 0.8);
        opacity: 0;
      }
      .amv-wire .p1 {
        animation: flowRight 2s ease-in-out infinite 0s;
      }
      .amv-wire .p2 {
        animation: flowRight 2s ease-in-out infinite 0.65s;
      }
      .amv-wire .p3 {
        animation: flowRight 2s ease-in-out infinite 1.3s;
      }
      .amv-wire-r .p1 {
        animation: flowRight 2s ease-in-out infinite 0.3s;
      }
      .amv-wire-r .p2 {
        animation: flowRight 2s ease-in-out infinite 0.95s;
      }
      .amv-wire-r .p3 {
        animation: flowRight 2s ease-in-out infinite 1.6s;
      }
      @keyframes flowRight {
        0% {
          left: 0%;
          opacity: 0;
        }
        10% {
          opacity: 1;
        }
        90% {
          opacity: 1;
        }
        100% {
          left: 100%;
          opacity: 0;
        }
      }
      /* AI 코어 */
      .amv-core {
        width: 160px;
        height: 160px;
        background: transparent;
        border-radius: 50%;
        box-shadow: none;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        flex-shrink: 0;
        position: relative;
        z-index: 1;
      }
      /* 최내부 플라즈마 — 비정형 중심핵 */
      .amv-core-plasma {
        position: absolute;
        inset: 24px;
        background: radial-gradient(
          ellipse at 44% 40%,
          rgba(255, 235, 150, 1) 0%,
          rgba(255, 154, 61, 0.95) 32%,
          rgba(255, 70, 30, 0.65) 60%,
          transparent 84%
        );
        filter: blur(8px);
        animation: plasmaBlob 3.4s ease-in-out infinite;
      }
      /* 1차 코로나 */
      .amv-core-corona.c1 {
        position: absolute;
        inset: 4px;
        background: radial-gradient(
          ellipse at 50% 50%,
          rgba(255, 107, 74, 0.5) 0%,
          rgba(255, 107, 74, 0.18) 52%,
          transparent 76%
        );
        filter: blur(14px);
        animation: coronaBlob1 5.2s ease-in-out infinite 0.6s;
      }
      /* 2차 코로나 */
      .amv-core-corona.c2 {
        position: absolute;
        inset: -26px;
        background: radial-gradient(
          ellipse at 50% 50%,
          rgba(255, 107, 74, 0.24) 0%,
          rgba(255, 154, 61, 0.1) 48%,
          transparent 72%
        );
        filter: blur(24px);
        animation: coronaBlob2 7.8s ease-in-out infinite 1.2s;
      }
      /* 3차 코로나 — 대기권 */
      .amv-core-corona.c3 {
        position: absolute;
        inset: -60px;
        background: radial-gradient(
          ellipse at 50% 50%,
          rgba(255, 107, 74, 0.11) 0%,
          transparent 66%
        );
        filter: blur(34px);
        animation: coronaBlob3 11s ease-in-out infinite 0.3s;
      }
      @keyframes plasmaBlob {
        0% {
          border-radius: 62% 38% 46% 54% / 55% 48% 52% 45%;
          transform: scale(0.86) rotate(0deg);
          opacity: 0.82;
        }
        18% {
          border-radius: 44% 56% 62% 38% / 44% 60% 40% 56%;
          transform: scale(1.06) rotate(6deg);
          opacity: 1;
        }
        36% {
          border-radius: 58% 42% 36% 64% / 60% 40% 58% 42%;
          transform: scale(0.92) rotate(-4deg);
          opacity: 0.88;
        }
        54% {
          border-radius: 38% 62% 56% 44% / 46% 54% 44% 56%;
          transform: scale(1.1) rotate(10deg);
          opacity: 1;
        }
        72% {
          border-radius: 56% 44% 42% 58% / 62% 36% 60% 40%;
          transform: scale(0.9) rotate(-7deg);
          opacity: 0.85;
        }
        100% {
          border-radius: 62% 38% 46% 54% / 55% 48% 52% 45%;
          transform: scale(0.86) rotate(0deg);
          opacity: 0.82;
        }
      }
      @keyframes coronaBlob1 {
        0% {
          border-radius: 58% 42% 54% 46% / 46% 64% 36% 54%;
          transform: scale(0.9);
          opacity: 0.6;
        }
        30% {
          border-radius: 42% 58% 40% 60% / 64% 36% 58% 42%;
          transform: scale(1.16);
          opacity: 1;
        }
        60% {
          border-radius: 54% 46% 60% 40% / 40% 56% 48% 52%;
          transform: scale(0.95);
          opacity: 0.7;
        }
        100% {
          border-radius: 58% 42% 54% 46% / 46% 64% 36% 54%;
          transform: scale(0.9);
          opacity: 0.6;
        }
      }
      @keyframes coronaBlob2 {
        0% {
          border-radius: 48% 52% 62% 38% / 58% 42% 50% 50%;
          transform: scale(0.96);
          opacity: 0.5;
        }
        40% {
          border-radius: 66% 34% 44% 56% / 40% 60% 54% 46%;
          transform: scale(1.22);
          opacity: 1;
        }
        70% {
          border-radius: 44% 56% 52% 48% / 62% 38% 44% 56%;
          transform: scale(1.02);
          opacity: 0.6;
        }
        100% {
          border-radius: 48% 52% 62% 38% / 58% 42% 50% 50%;
          transform: scale(0.96);
          opacity: 0.5;
        }
      }
      @keyframes coronaBlob3 {
        0% {
          border-radius: 54% 46% 48% 52% / 44% 56% 52% 48%;
          transform: scale(0.98);
          opacity: 0.45;
        }
        45% {
          border-radius: 40% 60% 58% 42% / 60% 40% 46% 54%;
          transform: scale(1.28);
          opacity: 0.85;
        }
        100% {
          border-radius: 54% 46% 48% 52% / 44% 56% 52% 48%;
          transform: scale(0.98);
          opacity: 0.45;
        }
      }
      .amv-core-text {
        position: relative;
        z-index: 2;
        font-size: 32px;
        font-weight: 900;
        color: #fff;
        letter-spacing: -0.05em;
        line-height: 1;
        text-shadow:
          0 0 12px rgba(255, 230, 140, 0.9),
          0 0 32px rgba(255, 107, 74, 0.7),
          0 0 60px rgba(255, 107, 74, 0.35);
      }
      .amv-core-sub {
        position: relative;
        z-index: 2;
        font-size: 9px;
        font-weight: 700;
        color: rgba(255, 255, 255, 0.9);
        letter-spacing: 0.18em;
        text-transform: uppercase;
        margin-top: 3px;
        text-shadow: 0 0 10px rgba(255, 107, 74, 0.6);
      }
      /* 점수 + 설명 결과 패널 */
      .amv-result-row {
        display: flex;
        align-items: center;
        gap: 28px;
        max-width: 700px;
        margin: 0 auto;
        padding: 24px 32px;
        background: rgba(255, 255, 255, 0.03);
        border: 1px solid rgba(255, 107, 74, 0.15);
        border-radius: 16px;
        backdrop-filter: blur(8px);
      }
      .amv-score-wrap {
        flex: 0 0 auto;
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 8px;
      }
      .amv-match-badge {
        display: inline-flex;
        align-items: center;
        gap: 7px;
        padding: 10px 18px;
        background: rgba(255, 107, 74, 0.08);
        border: 1px solid rgba(255, 107, 74, 0.28);
        border-radius: 99px;
        transition: opacity 0.35s ease;
      }
      .amv-match-icon {
        font-size: 13px;
        color: var(--coral);
        line-height: 1;
      }
      .amv-match-text {
        font-size: 16px;
        font-weight: 700;
        letter-spacing: -0.02em;
        background: var(--grad);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
        white-space: nowrap;
      }
      .amv-score-label {
        font-size: 10px;
        font-weight: 700;
        color: rgba(255, 255, 255, 0.35);
        letter-spacing: 0.18em;
        text-transform: uppercase;
        white-space: nowrap;
      }
      .amv-score-divider {
        width: 1px;
        height: 52px;
        background: rgba(255, 107, 74, 0.2);
        flex-shrink: 0;
      }
      .amv-desc {
        flex: 1;
        font-size: 14px;
        color: rgba(255, 255, 255, 0.5);
        line-height: 1.8;
        text-align: left;
        margin: 0;
        transition: opacity 0.3s ease;
      }
      @media (max-width: 700px) {
        .amv-scene {
          flex-direction: column;
          gap: 0;
        }
        .amv-bridge {
          flex-direction: column;
          max-width: none;
          width: 100%;
          height: 80px;
        }
        .amv-wire {
          width: 2px;
          height: 100%;
          flex: 1;
          background: linear-gradient(
            to bottom,
            rgba(255, 107, 74, 0.15),
            rgba(255, 107, 74, 0.4)
          );
        }
        .amv-wire-r {
          background: linear-gradient(
            to bottom,
            rgba(255, 107, 74, 0.4),
            rgba(255, 107, 74, 0.15)
          );
        }
        .amv-wire .p1,
        .amv-wire .p2,
        .amv-wire .p3,
        .amv-wire-r .p1,
        .amv-wire-r .p2,
        .amv-wire-r .p3 {
          animation: flowDown 2s ease-in-out infinite;
          left: 50%;
          transform: translateX(-50%) translateY(0);
          top: 0%;
        }
        .amv-wire .p2 {
          animation-delay: 0.65s;
        }
        .amv-wire .p3 {
          animation-delay: 1.3s;
        }
        .amv-wire-r .p1 {
          animation-delay: 0.3s;
        }
        .amv-wire-r .p2 {
          animation-delay: 0.95s;
        }
        .amv-wire-r .p3 {
          animation-delay: 1.6s;
        }
        @keyframes flowDown {
          0% {
            top: 0%;
            opacity: 0;
          }
          10% {
            opacity: 1;
          }
          90% {
            opacity: 1;
          }
          100% {
            top: 100%;
            opacity: 0;
          }
        }
        .amv-core {
          width: 120px;
          height: 120px;
        }
        .amv-core-plasma {
          inset: 20px;
        }
        .amv-core-corona.c2 {
          inset: -14px;
        }
        .amv-core-corona.c3 {
          inset: -40px;
        }
        .amv-core-text {
          font-size: 24px;
        }
        .amv-card {
          flex: 0 0 auto;
          width: 100%;
          max-width: 320px;
        }
        .amv-result-row {
          flex-direction: column;
          gap: 16px;
          padding: 20px 24px;
          text-align: center;
        }
        .amv-score-divider {
          display: none;
        }
        .amv-desc {
          text-align: center;
        }
      }

/* ═══════════════════════════════════════════════
   SITE NAV
═══════════════════════════════════════════════ */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.72);
  -webkit-backdrop-filter: blur(20px) saturate(140%);
  backdrop-filter: blur(20px) saturate(140%);
  border-bottom: 1px solid var(--border);
  transition: background 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease,
    transform 0.45s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.45s ease;
}
.site-nav.scrolled {
  background: rgba(255, 255, 255, 0.85);
  border-bottom-color: var(--border-m);
  box-shadow: 0 4px 24px rgba(180, 110, 70, 0.1);
}
.nav-inner {
  max-width: 1212px;
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo img {
  height: 32px;
  display: block;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 2px;
}
.nav-link {
  position: relative;
  font-size: 15px;
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--text-2);
  padding: 8px 14px;
  text-decoration: none;
  transition: color 0.2s ease;
}
.nav-link::after {
  content: '';
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 4px;
  height: 2px;
  border-radius: 2px;
  background: var(--coral);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.28s cubic-bezier(0.16, 1, 0.3, 1);
}
.nav-link:hover {
  color: var(--text-1);
}
.nav-link:hover::after {
  transform: scaleX(1);
}
.nav-link--active {
  color: var(--coral);
}
.nav-link--active::after {
  transform: scaleX(1);
}
.nav-cta {
  margin-left: 10px;
  display: inline-flex;
  align-items: center;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: #fff;
  background: var(--grad);
  padding: 9px 20px;
  border-radius: 999px;
  text-decoration: none;
  box-shadow: 0 2px 10px rgba(255, 107, 74, 0.22);
  transition: transform 0.22s cubic-bezier(0.16, 1, 0.3, 1),
    box-shadow 0.22s ease, filter 0.22s ease;
}
.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(255, 107, 74, 0.32);
  filter: saturate(1.08);
}
.nav-cta:active {
  transform: translateY(0);
}
.nav-cta--active {
  box-shadow: 0 0 0 3px rgba(255, 107, 74, 0.18),
    0 2px 10px rgba(255, 107, 74, 0.22);
}
/* index.html: 영상 히어로 위에선 숨김 → 스크롤 시 등장 */
.site-nav--hero {
  position: fixed;
  left: 0;
  right: 0;
  transform: translateY(-100%);
  opacity: 0;
  pointer-events: none;
}
.site-nav--hero.revealed {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
  background: rgba(255, 255, 255, 0.85);
  border-bottom-color: var(--border-m);
  box-shadow: 0 4px 24px rgba(180, 110, 70, 0.1);
}
@media (max-width: 640px) {
  .nav-inner { height: 56px; }
  .nav-links { gap: 0; }
  .nav-link { font-size: 14px; padding: 6px 9px; }
  .nav-link::after { left: 9px; right: 9px; }
  .nav-cta { margin-left: 6px; font-size: 14px; padding: 8px 15px; }
}

/* ═══════════════════════════════════════════════
   SERVICE CARDS (index.html tab 섹션 대체)
═══════════════════════════════════════════════ */
.svc-section {
  padding: 100px 0;
  background: var(--bg-1);
}
.svc-header {
  text-align: center;
  margin-bottom: 56px;
}
.svc-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.svc-card {
  display: block;
  padding: 48px 40px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  text-decoration: none;
  transition: border-color 0.25s, box-shadow 0.25s, transform 0.25s;
}
.svc-card:hover {
  border-color: var(--coral);
  box-shadow: 0 8px 32px rgba(255, 107, 74, 0.12);
  transform: translateY(-4px);
}
.svc-card-eyebrow {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--coral);
  margin-bottom: 16px;
}
.svc-card-title {
  font-size: 26px;
  font-weight: 700;
  color: var(--text-1);
  margin-bottom: 12px;
  line-height: 1.3;
}
.svc-card-desc {
  font-size: 15px;
  color: var(--text-3);
  line-height: 1.7;
  margin-bottom: 28px;
}
.svc-card-features {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 32px;
}
.svc-card-tag {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-2);
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 4px 10px;
}
.svc-card-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 15px;
  font-weight: 600;
  color: var(--coral);
}
.svc-card-cta svg {
  transition: transform 0.2s;
}
.svc-card:hover .svc-card-cta svg {
  transform: translateX(4px);
}
@media (max-width: 768px) {
  .svc-grid { grid-template-columns: 1fr; }
  .svc-card { padding: 36px 28px; }
  .svc-card-title { font-size: 22px; }
  .svc-section { padding: 72px 0; }
}