/* ===== Shared ===== */
      section { position: relative; z-index: 2; }

      .container {
        max-width: 1140px;
        margin: 0 auto;
        padding: 0 24px;
      }

      .section-tag {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        padding: 5px 14px;
        background: rgba(79,70,229,0.1);
        border: 1px solid rgba(79,70,229,0.2);
        border-radius: 100px;
        font-size: 12px;
        font-weight: 600;
        color: var(--indigo-400);
        letter-spacing: 0.04em;
        margin-bottom: 20px;
        text-transform: uppercase;
      }

      .section-title {
        text-align: center;
        margin-bottom: 56px;
      }

      .section-title h2 {
        font-size: clamp(28px, 4vw, 40px);
        font-weight: 800;
        margin-bottom: 12px;
        letter-spacing: -0.02em;
      }

      .section-title p {
        color: var(--text-secondary);
        font-size: 16px;
        max-width: 520px;
        margin: 0 auto;
        line-height: 1.7;
      }

      .btn {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        padding: 14px 32px;
        border-radius: var(--radius-xs);
        font-size: 15px;
        font-weight: 600;
        text-decoration: none;
        transition: all 0.25s;
        cursor: pointer;
        border: none;
        font-family: inherit;
      }

      .btn-primary {
        background: var(--gradient-main);
        color: white;
        box-shadow: 0 4px 24px rgba(79,70,229,0.35);
      }

      .btn-primary:hover {
        transform: translateY(-2px);
        box-shadow: 0 8px 32px rgba(79,70,229,0.5);
      }

      .btn-outline {
        background: transparent;
        color: var(--text-primary);
        border: 1px solid var(--border);
      }

      .btn-outline:hover {
        background: rgba(79,70,229,0.08);
        border-color: var(--indigo-600);
      }

      /* fade-up animation */
      .fade-up {
        opacity: 0;
        transform: translateY(24px);
        transition: opacity 0.7s ease, transform 0.7s ease;
      }

      .fade-up.visible {
        opacity: 1;
        transform: translateY(0);
      }

      /* ===== Hero ===== */
      .hero {
        min-height: 100vh;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        text-align: center;
        padding: 120px 24px 80px;
        position: relative;
      }

      .hero-badge {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        padding: 6px 18px;
        background: rgba(79,70,229,0.12);
        border: 1px solid rgba(79,70,229,0.25);
        border-radius: 100px;
        font-size: 13px;
        font-weight: 500;
        color: var(--indigo-400);
        margin-bottom: 24px;
      }

      .hero h1 {
        font-size: clamp(42px, 7vw, 72px);
        font-weight: 900;
        line-height: 1.05;
        margin-bottom: 8px;
        background: var(--gradient-wide);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
        letter-spacing: -0.03em;
      }

      .hero h1 .sub-brand {
        display: block;
        font-size: clamp(28px, 4vw, 42px);
        font-weight: 700;
        margin-top: 4px;
        background: var(--gradient-gold);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
      }

      .hero h1 .sub-brand small {
        font-size: 0.55em;
        font-weight: 600;
        -webkit-text-fill-color: var(--text-secondary);
        letter-spacing: 0.08em;
        margin: 0 6px;
      }

      .hero-mission {
        font-size: clamp(15px, 2vw, 19px);
        color: var(--text-secondary);
        max-width: 720px;
        margin: 16px auto 36px;
        line-height: 2;
        font-weight: 400;
        letter-spacing: 0.01em;
      }

      .hero-mission em {
        font-style: normal;
        color: var(--gold-400);
        font-weight: 600;
      }

      .hero-actions {
        display: flex;
        gap: 12px;
        flex-wrap: wrap;
        justify-content: center;
        margin-bottom: 48px;
      }

      /* Three-tier pills */
      .hero-tiers {
        display: flex;
        gap: 24px;
        flex-wrap: wrap;
        justify-content: center;
        margin-bottom: 48px;
      }

      .hero-tier {
        display: flex;
        align-items: center;
        gap: 8px;
        padding: 8px 20px;
        border-radius: 100px;
        border: 1px solid var(--border);
        background: rgba(17,20,51,0.6);
        font-size: 13px;
        font-weight: 600;
        color: var(--text-secondary);
        transition: all 0.3s;
      }

      .hero-tier:hover {
        border-color: rgba(79,70,229,0.4);
        background: rgba(79,70,229,0.08);
        transform: translateY(-2px);
      }

      .hero-tier .tier-icon {
        width: 24px; height: 24px;
        border-radius: 50%;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        font-size: 12px;
        flex-shrink: 0;
      }

      .tier-tutor .tier-icon { background: rgba(79,70,229,0.2); color: var(--indigo-400); }
      .tier-assist .tier-icon { background: rgba(6,182,212,0.2); color: var(--cyan-400); }
      .tier-oasis .tier-icon { background: rgba(251,191,36,0.2); color: var(--gold-400); }

      .hero-stats {
        display: flex;
        gap: 44px;
        padding: 40px 52px;
        border-top: 1px solid var(--border);
        border-radius: var(--radius);
        background: rgba(17,20,51,0.5);
        backdrop-filter: blur(12px);
        position: relative;
        overflow: hidden;
      }

      .hero-stats::before {
        content: '';
        position: absolute;
        top: 0; left: 0; right: 0;
        height: 1px;
        background: linear-gradient(90deg, transparent, rgba(251,191,36,0.3), transparent);
        opacity: 0.6;
      }

      .hero-stat { text-align: center; }

      .hero-stat-number {
        font-size: 32px;
        font-weight: 900;
        color: var(--text-primary);
        display: block;
        margin-bottom: 4px;
        letter-spacing: -0.03em;
        background: var(--gradient-wide);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
      }

      .hero-stat-number.ai-label {
        font-size: 36px;
        letter-spacing: 0.04em;
      }

      .hero-stat-number.star-icon {
        font-size: 34px;
        -webkit-text-fill-color: initial;
        background: none;
      }

      .hero-stat-label {
        font-size: 13px;
        color: var(--text-muted);
        font-weight: 500;
        display: block;
        position: relative;
        padding-top: 6px;
      }

      .hero-stat-label::before {
        content: '';
        position: absolute;
        top: 0; left: 50%;
        transform: translateX(-50%);
        width: 20px;
        height: 1.5px;
        border-radius: 2px;
        opacity: 0.4;
      }

      .hero-stat:nth-child(1) .hero-stat-label::before { background: var(--indigo-600); }
      .hero-stat:nth-child(2) .hero-stat-label::before { background: var(--cyan-500); }
      .hero-stat:nth-child(3) .hero-stat-label::before { background: var(--gold-400); }
      .hero-stat:nth-child(4) .hero-stat-label::before { background: var(--gradient-gold); }

      /* ===== Brand Mission ===== */
      .brand-mission {
        padding: 100px 0;
      }

      .mission-card {
        background: var(--bg-card);
        border: 1px solid var(--border);
        border-radius: var(--radius);
        padding: 56px 48px;
        text-align: center;
        position: relative;
        overflow: hidden;
      }

      .mission-card::before {
        content: '';
        position: absolute;
        top: 0; left: 0; right: 0;
        height: 3px;
        background: var(--gradient-wide);
      }

      .mission-star {
        width: 56px; height: 56px;
        margin: 0 auto 20px;
        border-radius: 50%;
        background: rgba(251,191,36,0.12);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 28px;
        border: 1px solid rgba(251,191,36,0.2);
        animation: starPulse 3s ease-in-out infinite;
      }

      @keyframes starPulse {
        0%, 100% { box-shadow: 0 0 0 0 rgba(251,191,36,0.1); }
        50% { box-shadow: 0 0 24px 8px rgba(251,191,36,0.15); }
      }

      .mission-card .mission-text {
        font-size: clamp(18px, 2.5vw, 24px);
        font-weight: 700;
        line-height: 1.8;
        max-width: 700px;
        margin: 0 auto 36px;
        color: var(--text-primary);
        letter-spacing: 0.01em;
      }

      .mission-card .mission-text .gold { color: var(--gold-400); }

      .vision-row {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 24px;
        max-width: 900px;
        margin: 0 auto;
      }

      .vision-item {
        background: rgba(17,20,51,0.6);
        border: 1px solid var(--border);
        border-radius: var(--radius-sm);
        padding: 28px 20px;
        text-align: center;
        transition: all 0.3s;
      }

      .vision-item:hover {
        background: var(--bg-card-hover);
        border-color: rgba(79,70,229,0.3);
        transform: translateY(-4px);
      }

      .vision-item .v-icon {
        font-size: 28px;
        margin-bottom: 12px;
        display: block;
      }

      .vision-item h4 {
        font-size: 16px;
        font-weight: 700;
        margin-bottom: 4px;
      }

      .vision-item .v-en {
        font-size: 11px;
        font-weight: 600;
        text-transform: uppercase;
        letter-spacing: 0.08em;
        color: var(--text-muted);
        margin-bottom: 10px;
        display: block;
      }

      .vision-item p {
        font-size: 13px;
        color: var(--text-secondary);
        line-height: 1.8;
      }

      /* ===== Oasis Banner ===== */
      .oasis-banner {
        padding: 80px 0;
      }

      .oasis-scene {
        position: relative;
        border-radius: var(--radius);
        overflow: hidden;
        background: linear-gradient(135deg, #0C0F28 0%, #111433 40%, #0A1A30 100%);
        border: 1px solid var(--border);
        min-height: 420px;
        display: flex;
        align-items: center;
      }

      .oasis-scene-content {
        padding: 56px 48px;
        flex: 1;
        position: relative;
        z-index: 2;
      }

      .oasis-scene-content h2 {
        font-size: clamp(24px, 3vw, 34px);
        font-weight: 800;
        margin-bottom: 8px;
        letter-spacing: -0.02em;
      }

      .oasis-scene-content h2 .highlight-oasis {
        background: var(--gradient-oasis);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
      }

      .oasis-scene-content h2 .highlight-star {
        background: var(--gradient-gold);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
      }

      .oasis-scene-content > p {
        color: var(--text-secondary);
        font-size: 15px;
        max-width: 540px;
        margin-bottom: 28px;
        line-height: 1.9;
      }

      .oasis-milestones {
        display: flex;
        gap: 20px;
        flex-wrap: wrap;
      }

      .oasis-milestone {
        display: flex;
        align-items: center;
        gap: 10px;
        padding: 10px 18px;
        background: rgba(17,20,51,0.6);
        border: 1px solid var(--border);
        border-radius: var(--radius-xs);
        font-size: 13px;
        font-weight: 500;
        color: var(--text-secondary);
      }

      .oasis-milestone .ms-icon { font-size: 16px; }

      /* Scene visual — stylized data/obstacle illustration */
      .oasis-scene-visual {
        position: absolute;
        right: 0;
        top: 0;
        width: 45%;
        height: 100%;
        z-index: 1;
        overflow: hidden;
        pointer-events: none;
      }

      .oasis-scene-visual svg {
        width: 100%;
        height: 100%;
      }

            /* ===== Audience Empowerment ===== */
      .audience {
        padding: 100px 0;
        position: relative;
      }

      .audience::before {
        content: '';
        position: absolute;
        top: 0; left: 0; right: 0;
        height: 1px;
        background: linear-gradient(90deg, transparent, var(--indigo-600), var(--cyan-500), var(--gold-400), transparent);
        opacity: 0.4;
      }

      .audience-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 28px;
      }

      .acard {
        background: var(--bg-card);
        border: 1px solid var(--border);
        border-radius: 18px;
        overflow: hidden;
        position: relative;
        transition: all 0.4s cubic-bezier(0.22, 1, 0.36, 1);
        display: flex;
        flex-direction: column;
      }

      .acard::before {
        content: '';
        position: absolute;
        top: 0; left: 0; right: 0;
        height: 4px;
        z-index: 2;
      }

      .acard.teacher::before { background: linear-gradient(90deg, #4F46E5, #818CF8, #A5B4FC); }
      .acard.student::before { background: linear-gradient(90deg, #06B6D4, #22D3EE, #67E8F9); }
      .acard.tutor-parent::before { background: linear-gradient(90deg, #F59E0B, #FBBF24, #FDE68A); }

      .acard:hover {
        transform: translateY(-8px) scale(1.01);
      }

      .acard.teacher:hover {
        border-color: rgba(79,70,229,0.5);
        box-shadow: 0 20px 60px -12px rgba(79,70,229,0.25), 0 0 0 1px rgba(79,70,229,0.15);
        background: linear-gradient(135deg, #111433 0%, #151A40 100%);
      }

      .acard.student:hover {
        border-color: rgba(6,182,212,0.5);
        box-shadow: 0 20px 60px -12px rgba(6,182,212,0.25), 0 0 0 1px rgba(6,182,212,0.15);
        background: linear-gradient(135deg, #111433 0%, #0E1A30 100%);
      }

      .acard.tutor-parent:hover {
        border-color: rgba(251,191,36,0.45);
        box-shadow: 0 20px 60px -12px rgba(251,191,36,0.2), 0 0 0 1px rgba(251,191,36,0.12);
        background: linear-gradient(135deg, #111433 0%, #1A1810 100%);
      }

      .acard-hero {
        padding: 36px 28px 24px;
        text-align: center;
        position: relative;
      }

      .acard-hero .ac-avatar {
        width: 72px; height: 72px;
        border-radius: 50%;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        font-size: 34px;
        margin-bottom: 12px;
        position: relative;
        transition: transform 0.3s;
      }

      .acard:hover .ac-avatar { transform: scale(1.1) rotate(-4deg); }

      .acard.teacher .ac-avatar {
        background: linear-gradient(135deg, rgba(79,70,229,0.2), rgba(129,140,248,0.1));
        box-shadow: 0 0 0 1px rgba(79,70,229,0.25), 0 8px 24px rgba(79,70,229,0.15);
      }

      .acard.student .ac-avatar {
        background: linear-gradient(135deg, rgba(6,182,212,0.2), rgba(34,211,238,0.1));
        box-shadow: 0 0 0 1px rgba(6,182,212,0.25), 0 8px 24px rgba(6,182,212,0.15);
      }

      .acard.tutor-parent .ac-avatar {
        background: linear-gradient(135deg, rgba(251,191,36,0.2), rgba(251,191,36,0.1));
        box-shadow: 0 0 0 1px rgba(251,191,36,0.25), 0 8px 24px rgba(251,191,36,0.15);
      }

      .acard-hero h3 {
        font-size: 22px;
        font-weight: 800;
        margin-bottom: 2px;
        letter-spacing: -0.01em;
      }

      .acard-hero .ac-role {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        min-height: 30px;
        padding: 6px 12px;
        border-radius: 999px;
        font-size: 12px;
        font-weight: 700;
        line-height: 1.2;
        letter-spacing: 0.03em;
        white-space: nowrap;
      }

      .acard.teacher .ac-role {
        color: var(--indigo-400);
        background: rgba(79,70,229,0.12);
        border: 1px solid rgba(129,140,248,0.24);
      }
      .acard.student .ac-role {
        color: var(--cyan-400);
        background: rgba(6,182,212,0.12);
        border: 1px solid rgba(34,211,238,0.24);
      }
      .acard.tutor-parent .ac-role {
        color: var(--gold-400);
        background: rgba(251,191,36,0.12);
        border: 1px solid rgba(251,191,36,0.24);
      }

      .acard-pain {
        margin: 0 28px 16px;
        padding: 10px 14px;
        border-radius: var(--radius-xs);
        font-size: 12px;
        line-height: 1.6;
        display: flex;
        align-items: flex-start;
        gap: 8px;
      }

      .acard.teacher .acard-pain {
        background: rgba(239,68,68,0.1);
        border: 1px solid rgba(239,68,68,0.2);
        color: rgba(248,113,113,0.9);
      }
      .acard.student .acard-pain {
        background: rgba(239,68,68,0.1);
        border: 1px solid rgba(239,68,68,0.2);
        color: rgba(248,113,113,0.9);
      }
      .acard.tutor-parent .acard-pain {
        background: rgba(239,68,68,0.1);
        border: 1px solid rgba(239,68,68,0.2);
        color: rgba(248,113,113,0.9);
      }

      .acard-pain .pain-icon {
        width: 20px; height: 20px;
        border-radius: 50%;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        font-size: 11px;
        flex-shrink: 0;
        margin-top: 1px;
      }

      .acard.teacher .pain-icon { background: rgba(239,68,68,0.25); }
      .acard.student .pain-icon { background: rgba(239,68,68,0.25); }
      .acard.tutor-parent .pain-icon { background: rgba(239,68,68,0.25); }

      .acard-quote {
        margin: 0 28px 16px;
        padding: 14px 18px;
        border-radius: 14px;
        font-size: 14px;
        font-weight: 500;
        font-style: italic;
        line-height: 1.7;
        position: relative;
      }

      .acard.teacher .acard-quote {
        background: linear-gradient(135deg, rgba(79,70,229,0.08), rgba(79,70,229,0.03));
        border: 1px solid rgba(79,70,229,0.15);
        color: var(--indigo-400);
      }
      .acard.student .acard-quote {
        background: linear-gradient(135deg, rgba(6,182,212,0.08), rgba(6,182,212,0.03));
        border: 1px solid rgba(6,182,212,0.15);
        color: var(--cyan-400);
      }
      .acard.tutor-parent .acard-quote {
        background: linear-gradient(135deg, rgba(251,191,36,0.08), rgba(251,191,36,0.03));
        border: 1px solid rgba(251,191,36,0.15);
        color: var(--gold-400);
      }

      .acard-quote::before {
        content: '"';
        position: absolute;
        top: -4px; left: 8px;
        font-size: 36px;
        font-weight: 900;
        opacity: 0.3;
        line-height: 1;
      }

      .acard-powers {
        padding: 0 28px 24px;
        flex: 1;
      }

      .acard-powers .power-item {
        display: flex;
        align-items: flex-start;
        gap: 12px;
        padding: 11px 0;
        border-bottom: 1px solid rgba(30,41,66,0.5);
      }

      .acard-powers .power-item:last-child {
        border-bottom: none;
      }

      .acard-powers .power-item .p-check {
        width: 22px; height: 22px;
        border-radius: 50%;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        font-size: 11px;
        flex-shrink: 0;
        margin-top: 2px;
      }

      .acard.teacher .p-check { background: rgba(52,211,153,0.2); color: var(--teal-400); }
      .acard.student .p-check { background: rgba(52,211,153,0.2); color: var(--teal-400); }
      .acard.tutor-parent .p-check { background: rgba(52,211,153,0.2); color: var(--teal-400); }

      .acard-powers .power-item .p-text {
        font-size: 13.5px;
        color: var(--text-secondary);
        line-height: 1.7;
      }

      .acard-powers .power-item .p-text strong {
        color: var(--text-primary);
        font-weight: 600;
      }

      .acard-footer {
        padding: 16px 28px;
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        font-size: 13px;
        font-weight: 700;
        letter-spacing: 0.02em;
      }

      .acard.teacher .acard-footer {
        background: linear-gradient(135deg, rgba(79,70,229,0.12), rgba(79,70,229,0.05));
        border-top: 1px solid rgba(79,70,229,0.15);
        color: var(--indigo-400);
      }

      .acard.student .acard-footer {
        background: linear-gradient(135deg, rgba(6,182,212,0.12), rgba(6,182,212,0.05));
        border-top: 1px solid rgba(6,182,212,0.15);
        color: var(--cyan-400);
      }

      .acard.tutor-parent .acard-footer {
        background: linear-gradient(135deg, rgba(251,191,36,0.12), rgba(251,191,36,0.05));
        border-top: 1px solid rgba(251,191,36,0.15);
        color: var(--gold-400);
      }

      .acard:nth-child(1) { transition-delay: 0s; }
      .acard:nth-child(2) { transition-delay: 0.08s; }
      .acard:nth-child(3) { transition-delay: 0.16s; }

      @media (max-width: 768px) {
        .audience-grid { grid-template-columns: 1fr; }
        .acard-hero { padding: 28px 20px 20px; }
        .acard-pain, .acard-quote, .acard-powers { margin-left: 20px; margin-right: 20px; }
        .acard-powers { padding: 0 20px 20px; }
        .acard-footer { padding: 14px 20px; font-size: 12px; }
      }
/* ===== Teacher-Assist-Oasis Details ===== */
      .tao-details {
        padding: 100px 0;
      }

      .tao-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 24px;
      }

      .tao-card {
        background: var(--bg-card);
        border: 1px solid var(--border);
        border-radius: var(--radius);
        padding: 40px 28px;
        position: relative;
        overflow: hidden;
        transition: all 0.3s;
      }

      .tao-card:hover {
        background: var(--bg-card-hover);
        transform: translateY(-4px);
      }

      .tao-card::before {
        content: '';
        position: absolute;
        top: 0; left: 0; right: 0;
        height: 3px;
      }

      .tao-card.tutor::before { background: linear-gradient(90deg, #4F46E5, #818CF8); }
      .tao-card.assist::before { background: linear-gradient(90deg, #06B6D4, #22D3EE); }
      .tao-card.oasis::before { background: linear-gradient(90deg, #F59E0B, #FBBF24); }

      .tao-card .tao-badge {
        display: inline-flex;
        align-items: center;
        gap: 4px;
        padding: 3px 10px;
        border-radius: 100px;
        font-size: 11px;
        font-weight: 700;
        text-transform: uppercase;
        letter-spacing: 0.06em;
        margin-bottom: 16px;
      }

      .tao-card.tutor .tao-badge { background: rgba(79,70,229,0.15); color: var(--indigo-400); }
      .tao-card.assist .tao-badge { background: rgba(6,182,212,0.15); color: var(--cyan-400); }
      .tao-card.oasis .tao-badge { background: rgba(251,191,36,0.15); color: var(--gold-400); }

      .tao-card .tao-icon {
        font-size: 36px;
        margin-bottom: 16px;
        display: block;
      }

      .tao-card h3 {
        font-size: 20px;
        font-weight: 700;
        margin-bottom: 4px;
      }

      .tao-card .tao-sub {
        font-size: 12px;
        color: var(--text-muted);
        margin-bottom: 14px;
        font-weight: 500;
        display: block;
      }

      .tao-card p {
        font-size: 14px;
        color: var(--text-secondary);
        line-height: 1.8;
      }

      .tao-card ul {
        list-style: none;
        margin-top: 14px;
      }

      .tao-card ul li {
        font-size: 13px;
        color: var(--text-secondary);
        padding: 6px 0;
        padding-left: 20px;
        position: relative;
        line-height: 1.6;
      }

      .tao-card ul li::before {
        content: '✦';
        position: absolute;
        left: 0;
        font-size: 10px;
      }

      .tao-card.tutor ul li::before { color: var(--indigo-400); }
      .tao-card.assist ul li::before { color: var(--cyan-400); }
      .tao-card.oasis ul li::before { color: var(--gold-400); }

      /* ===== Features ===== */
      .features {
        padding: 100px 0;
      }

      .features-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
        gap: 20px;
      }

      .feature-card {
        background: var(--bg-card);
        border: 1px solid var(--border);
        border-radius: var(--radius);
        padding: 32px;
        transition: all 0.3s;
      }

      .feature-card:hover {
        background: var(--bg-card-hover);
        border-color: rgba(79,70,229,0.3);
        transform: translateY(-4px);
      }

      .feature-icon {
        width: 48px; height: 48px;
        border-radius: 12px;
        display: flex;
        align-items: center;
        justify-content: center;
        margin-bottom: 16px;
        font-size: 22px;
      }

      .feature-card h3 {
        font-size: 18px;
        font-weight: 700;
        margin-bottom: 8px;
      }

      .feature-card p {
        color: var(--text-secondary);
        font-size: 14px;
        line-height: 1.8;
      }

            /* ===== How It Works ===== */
      .how-it-works {
        padding: 100px 0;
      }

      .steps {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 32px;
        max-width: 960px;
        margin: 0 auto;
      }

      .step-wrap {
        position: relative;
      }

      .step-wrap:not(:last-child)::after {
        content: '';
        position: absolute;
        top: 40px;
        left: calc(50% + 60px);
        width: calc(100% - 120px);
        height: 2px;
        background: linear-gradient(90deg, var(--indigo-600), var(--cyan-500));
        opacity: 0.35;
      }

      .step-card {
        text-align: center;
        background: var(--bg-card);
        border: 1px solid var(--border);
        border-radius: var(--radius);
        padding: 40px 28px 36px;
        transition: all 0.4s cubic-bezier(0.22, 1, 0.36, 1);
        position: relative;
        overflow: hidden;
        display: flex;
        flex-direction: column;
        height: 100%;
      }

      .step-card:hover {
        transform: translateY(-6px);
        border-color: rgba(79,70,229,0.4);
        box-shadow: 0 16px 48px -12px rgba(79,70,229,0.2);
        background: var(--bg-card-hover);
      }

      .step-card::after {
        content: '';
        position: absolute;
        bottom: 0; left: 20%; right: 20%;
        height: 2px;
        background: var(--gradient-main);
        border-radius: 2px;
        opacity: 0;
        transition: opacity 0.3s, left 0.3s, right 0.3s;
      }

      .step-card:hover::after {
        opacity: 1;
        left: 10%;
        right: 10%;
      }

      .step-number {
        width: 64px; height: 64px;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        margin: 0 auto 18px;
        font-size: 22px;
        font-weight: 800;
        color: white;
        background: var(--gradient-main);
        box-shadow: 0 4px 24px rgba(79,70,229,0.35);
        position: relative;
        transition: transform 0.3s;
      }

      .step-card:hover .step-number {
        transform: scale(1.08);
      }

      .step-icon {
        font-size: 28px;
        margin-bottom: 4px;
        display: block;
      }

      .step-card h3 {
        font-size: 18px;
        font-weight: 700;
        margin-bottom: 6px;
        letter-spacing: -0.01em;
      }

      .step-card .step-tagline {
        font-size: 12px;
        font-weight: 600;
        color: var(--indigo-400);
        text-transform: uppercase;
        letter-spacing: 0.06em;
        margin-bottom: 12px;
        display: block;
      }

      .step-card p {
        font-size: 14px;
        color: var(--text-secondary);
        line-height: 1.8;
        flex: 1;
      }

      .step-card .step-detail {
        margin-top: 16px;
        display: flex;
        flex-direction: column;
        gap: 6px;
        text-align: left;
        min-height: 80px;
      }

      .step-card .step-detail span {
        font-size: 13px;
        color: var(--text-secondary);
        padding-left: 18px;
        position: relative;
        line-height: 1.6;
      }

      .step-card .step-detail span::before {
        content: '▸';
        position: absolute;
        left: 0;
        color: var(--indigo-400);
        font-size: 11px;
      }

      @media (max-width: 768px) {
        .steps { grid-template-columns: 1fr; gap: 20px; }
        .step-wrap:not(:last-child)::after { display: none; }
        .step-card { padding: 32px 20px 28px; }
      }/* ===== CTA ===== */
      .cta-section {
        padding: 100px 0;
      }

      .cta-card {
        background: var(--bg-card);
        border: 1px solid var(--border);
        border-radius: var(--radius);
        padding: 64px 40px;
        text-align: center;
        position: relative;
        overflow: hidden;
      }

      .cta-card::before {
        content: '';
        position: absolute;
        top: 0; left: 0; right: 0;
        height: 3px;
        background: var(--gradient-gold);
      }

      .cta-star {
        margin-bottom: 16px;
        font-size: 36px;
        animation: starPulse 3s ease-in-out infinite;
      }

      .cta-card h2 {
        font-size: clamp(24px, 3vw, 34px);
        font-weight: 800;
        margin-bottom: 12px;
        letter-spacing: -0.02em;
      }

      .cta-card p {
        color: var(--text-secondary);
        font-size: 16px;
        margin-bottom: 32px;
        max-width: 500px;
        margin-left: auto;
        margin-right: auto;
        line-height: 1.7;
      }

      /* ===== Footer ===== */
      footer {
        position: relative;
        z-index: 2;
        border-top: 1px solid var(--border);
        padding: 40px 0;
      }

      footer .container {
        display: flex;
        align-items: center;
        justify-content: space-between;
        flex-wrap: wrap;
        gap: 16px;
      }

      footer .copyright {
        color: var(--text-muted);
        font-size: 13px;
      }

      footer .footer-links {
        display: flex;
        gap: 24px;
      }

      footer .footer-links a {
        color: var(--text-muted);
        text-decoration: none;
        font-size: 13px;
        transition: color 0.2s;
      }

      footer .footer-links a:hover { color: var(--text-secondary); }