/* ── Google Fonts ── */
          @import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;600&display=swap');
          @import url('https://fonts.googleapis.com/css2?family=Josefin+Sans:wght@400;600;700&display=swap');

          /* ── Root Variables ── */
          :root {
            --primary-color: #1D9E75;
            --accent-color: #42E7D5;
            --dark-color: #004F6E;
            --danger-color: #004F6E;

            --nav-color: rgba(255, 255, 255, 0.7);
            --nav-hover-color: #42E7D5;
            --nav-mobile-background-color: #ffffff;
            --nav-dropdown-background-color: #ffffff;
            --nav-dropdown-color: #004F6E;
            --nav-dropdown-hover-color: #1D9E75;

            --background-color: #ffffff;
            --surface-color: #ffffff;
            --default-color: #212529;
            --heading-color: #004F6E;
            --contrast-color: #ffffff;

            --font-default: 'Poppins', sans-serif;
            --font-heading: 'Josefin Sans', sans-serif;
          }

          .light-background {
            --background-color: #f1f6f5;
            --surface-color: #ffffff;
          }

          .dark-background {
            --background-color: #004F6E;
            --default-color: #ffffff;
            --heading-color: #42E7D5;
            --surface-color: #1D9E75;
            --contrast-color: #ffffff;
          }

          /* ── Base ── */
          *,
          *::before,
          *::after {
            box-sizing: border-box;
          }

          body {
            font-family: var(--font-default);
            color: var(--default-color);
            background-color: var(--background-color);
            margin: 0;
          }

          h1, h2, h3, h4, h5, h6 {
            font-family: var(--font-heading);
            color: var(--heading-color);
          }

          /* ── Hero Section ── */
          .about-hero {
            background: linear-gradient(135deg, var(--dark-color) 0%, #1b3a52 60%, var(--dark-color) 100%);
            padding: 120px 0 80px;
            position: relative;
            overflow: hidden;
          }

          .about-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 70% 50%, rgba(29, 158, 117, 0.18) 0%, transparent 60%);
          }

          .about-hero .badge-label {
            display: inline-block;
            background: rgba(66, 231, 213, 0.12);
            color: var(--accent-color);
            border: 1px solid rgba(66, 231, 213, 0.3);
            border-radius: 50px;
            padding: 6px 18px;
            font-size: 0.78rem;
            letter-spacing: 0.12em;
            text-transform: uppercase;
            font-weight: 600;
            font-family: var(--font-heading);
            margin-bottom: 20px;
          }

          .about-hero h1 {
            font-family: var(--font-heading);
            font-size: clamp(2.4rem, 5vw, 4rem);
            font-weight: 700;
            color: var(--contrast-color);
            line-height: 1.15;
          }

          .about-hero h1 .accent {
            color: var(--accent-color);
          }

          .about-hero .subtitle {
            color: rgba(255, 255, 255, 0.65);
            font-size: 1.05rem;
            font-family: var(--font-default);
            max-width: 560px;
            line-height: 1.7;
            margin-top: 16px;
          }

          .about-hero .launch-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: 8px;
            padding: 10px 18px;
            color: rgba(255, 255, 255, 0.75);
            font-family: var(--font-default);
            font-size: 0.85rem;
            margin-top: 28px;
          }

          .about-hero .launch-tag i {
            color: var(--accent-color);
          }

          .hero-stat-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
            margin-top: 40px;
          }

          .hero-stat {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 12px;
            padding: 20px;
          }

          .hero-stat .num {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 700;
            color: var(--accent-color);
            line-height: 1;
          }

          .hero-stat .lbl {
            font-size: 0.8rem;
            font-family: var(--font-default);
            color: rgba(255, 255, 255, 0.55);
            margin-top: 4px;
            text-transform: uppercase;
            letter-spacing: 0.08em;
          }

          .hero-video-wrap {
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 32px 80px rgba(0, 0, 0, 0.5);
            border: 1px solid rgba(255, 255, 255, 0.08);
            aspect-ratio: 16/9;
          }

          .hero-video-wrap iframe {
            width: 100%;
            height: 100%;
            border: none;
            display: block;
          }

          /* ── Mission / Context ── */
          .section-label {
            font-size: 0.75rem;
            font-weight: 700;
            font-family: var(--font-heading);
            letter-spacing: 0.18em;
            text-transform: uppercase;
            color: var(--primary-color);
            margin-bottom: 12px;
          }

          .context-block {
            background: var(--background-color);
            border-left: 4px solid var(--primary-color);
            border-radius: 0 12px 12px 0;
            padding: 24px 28px;
          }

          /* ── Challenge Cards ── */
          .challenge-card {
            background: var(--surface-color);
            border: 1px solid #e9ecef;
            border-radius: 14px;
            padding: 28px;
            height: 100%;
            transition: transform 0.25s, box-shadow 0.25s;
          }

          .challenge-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 40px rgba(0, 79, 110, 0.1);
          }

          .challenge-card .icon-wrap {
            width: 48px;
            height: 48px;
            background: rgba(29, 158, 117, 0.1);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 16px;
            font-size: 1.3rem;
            color: var(--primary-color);
          }

          .challenge-card h5 {
            font-family: var(--font-heading);
            font-weight: 600;
            font-size: 1rem;
            margin-bottom: 8px;
            color: var(--dark-color);
          }

          .challenge-card p {
            font-size: 0.88rem;
            font-family: var(--font-default);
            color: #6c757d;
            margin: 0;
            line-height: 1.65;
          }

          /* ── Objectives ── */
          .objectives-section {
            background: var(--dark-color);
          }

          .obj-item {
            display: flex;
            gap: 20px;
            align-items: flex-start;
            padding: 28px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 14px;
            transition: background 0.25s;
          }

          .obj-item:hover {
            background: rgba(66, 231, 213, 0.07);
          }

          .obj-num {
            font-family: var(--font-heading);
            font-size: 2.5rem;
            font-weight: 700;
            color: rgba(66, 231, 213, 0.25);
            line-height: 1;
            min-width: 52px;
          }

          .obj-item h5 {
            font-family: var(--font-heading);
            color: var(--contrast-color);
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 6px;
          }

          .obj-item p {
            font-family: var(--font-default);
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.87rem;
            margin: 0;
            line-height: 1.6;
          }

          /* ── Pillars ── */
          .pillar-card {
            background: var(--surface-color);
            border-radius: 16px;
            padding: 36px 28px;
            height: 100%;
            border-top: 4px solid var(--primary-color);
            box-shadow: 0 4px 24px rgba(0, 79, 110, 0.08);
            transition: transform 0.25s;
          }

          .pillar-card:hover {
            transform: translateY(-5px);
          }

          .pillar-card .pillar-num {
            font-family: var(--font-heading);
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.15em;
            text-transform: uppercase;
            color: var(--primary-color);
            margin-bottom: 12px;
          }

          .pillar-card h4 {
            font-family: var(--font-heading);
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 14px;
            color: var(--dark-color);
          }

          .pillar-card p {
            font-size: 0.88rem;
            font-family: var(--font-default);
            color: #6c757d;
            line-height: 1.7;
            margin: 0;
          }

          .pillar-card ul {
            padding-left: 0;
            list-style: none;
            margin-top: 14px;
          }

          .pillar-card ul li {
            font-size: 0.85rem;
            font-family: var(--font-default);
            color: #495057;
            padding: 5px 0;
            display: flex;
            gap: 8px;
            align-items: flex-start;
          }

          .pillar-card ul li::before {
            content: '→';
            color: var(--primary-color);
            font-weight: 700;
            flex-shrink: 0;
            margin-top: 1px;
          }

          /* ── Audience ── */
          .audience-section {
            background: var(--background-color);
          }

          .audience-chip {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--surface-color);
            border: 1px solid #dee2e6;
            border-radius: 50px;
            padding: 10px 20px;
            font-size: 0.88rem;
            font-family: var(--font-default);
            font-weight: 500;
            color: #343a40;
            transition: all 0.2s;
          }

          .audience-chip:hover {
            border-color: var(--primary-color);
            color: var(--primary-color);
            background: rgba(29, 158, 117, 0.05);
          }

          .audience-chip i {
            color: var(--primary-color);
          }

          /* ── Methodology ── */
          .method-item {
            display: flex;
            gap: 18px;
            margin-bottom: 24px;
          }

          .method-icon {
            width: 44px;
            height: 44px;
            background: rgba(29, 158, 117, 0.1);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: var(--primary-color);
            flex-shrink: 0;
          }

          .method-item h6 {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 0.95rem;
            margin-bottom: 4px;
            color: var(--dark-color);
          }

          .method-item p {
            font-size: 0.85rem;
            font-family: var(--font-default);
            color: #6c757d;
            margin: 0;
            line-height: 1.6;
          }

          /* ── Timeline ── */
          .timeline-section {
            background: var(--dark-color);
          }

          .timeline-table {
            width: 100%;
            border-collapse: separate;
            border-spacing: 0 10px;
          }

          .timeline-table thead th {
            font-size: 0.75rem;
            font-family: var(--font-heading);
            letter-spacing: 0.12em;
            text-transform: uppercase;
            color: rgba(255, 255, 255, 0.4);
            padding: 0 20px 10px;
          }

          .timeline-table tbody tr td {
            background: rgba(255, 255, 255, 0.04);
            padding: 16px 20px;
            font-family: var(--font-default);
            color: rgba(255, 255, 255, 0.8);
            font-size: 0.9rem;
          }

          .timeline-table tbody tr td:first-child {
            border-radius: 10px 0 0 10px;
            font-weight: 600;
          }

          .timeline-table tbody tr td:last-child {
            border-radius: 0 10px 10px 0;
            color: var(--accent-color);
            font-weight: 600;
          }

          .timeline-table tbody tr:hover td {
            background: rgba(66, 231, 213, 0.06);
          }

          /* ── Partners ── */
          .partner-badge {
            background: var(--surface-color);
            border: 1px solid #dee2e6;
            border-radius: 14px;
            padding: 20px 28px;
            font-family: var(--font-heading);
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--dark-color);
            text-align: center;
            transition: box-shadow 0.2s;
          }

          .partner-badge:hover {
            box-shadow: 0 8px 32px rgba(0, 79, 110, 0.12);
          }

          .partner-badge span {
            display: block;
            font-size: 0.75rem;
            font-family: var(--font-default);
            font-weight: 400;
            color: #adb5bd;
            letter-spacing: 0.08em;
            margin-top: 4px;
          }

          /* ── Contact CTA ── */
          .cta-section {
            background: linear-gradient(135deg, var(--primary-color) 0%, var(--dark-color) 100%);
          }

          .cta-section h2 {
            font-family: var(--font-heading);
            color: var(--contrast-color);
            font-weight: 700;
          }

          .cta-section p {
            font-family: var(--font-default);
            color: rgba(255, 255, 255, 0.8);
          }

          .btn-cta-white {
            background: var(--contrast-color);
            color: var(--primary-color);
            font-family: var(--font-default);
            font-weight: 700;
            border-radius: 50px;
            padding: 12px 32px;
            border: none;
            text-decoration: none;
            display: inline-block;
            transition: all 0.2s;
          }

          .btn-cta-white:hover {
            background: var(--dark-color);
            color: var(--contrast-color);
          }

          /* ── Utilities ── */
          .text-gradient {
            background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
          }

          .section-divider {
            border: none;
            border-top: 1px solid #e9ecef;
            margin: 0;
          }