:root {
            --navy: #071a35;
            --navy-light: #0b3d68;
            --blue: #0d6efd;
            --green: #079669;
            --purple: #6846e8;
            --text: #183153;
            --muted: #65758b;
            --surface: #ffffff;
            --background: #f4f7fc;
            --border: #e5ebf4;
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            scroll-padding-top: 90px;
        }

        body {
            margin: 0;
            font-family: 'Inter', sans-serif;
            color: var(--text);
            background: var(--background);
            -webkit-font-smoothing: antialiased;
        }

        a {
            text-decoration: none;
        }

        /* =====================================================
           NAVIGATION
        ===================================================== */

        .navbar-main {
            background: rgba(255, 255, 255, 0.97);
            border-bottom: 1px solid rgba(7, 26, 53, 0.07);
            box-shadow: 0 4px 20px rgba(7, 26, 53, 0.04);
            padding: 14px 0;
        }

        .navbar-brand {
            display: flex;
            align-items: center;
            gap: 12px;
            color: var(--navy) !important;
        }

        .brand-icon {
            width: 48px;
            height: 48px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            color: white;
            font-size: 25px;
            background: linear-gradient(145deg, #0d6efd, #07356b);
            border-radius: 14px;
            box-shadow: 0 5px 14px rgba(13, 110, 253, 0.2);
        }

        .brand-name {
            display: block;
            font-size: 20px;
            font-weight: 800;
            letter-spacing: -0.8px;
            line-height: 1.2;
        }

        .brand-name span {
            color: var(--blue);
            font-weight: 500;
        }

        .brand-description {
            display: block;
            margin-top: 4px;
            font-size: 10px;
            color: var(--muted);
            letter-spacing: 0.2px;
        }

        .navbar-main .nav-link {
            color: #344761;
            font-size: 13px;
            font-weight: 600;
            padding: 10px 14px !important;
            transition: color 0.2s ease;
        }

        .navbar-main .nav-link:hover {
            color: var(--blue);
        }

        .btn-login {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 9px;
            padding: 12px 22px;
            color: #fff;
            background: var(--blue);
            border: none;
            border-radius: 50px;
            font-size: 13px;
            font-weight: 700;
            box-shadow: 0 7px 18px rgba(13, 110, 253, 0.18);
            transition: all 0.25s ease;
        }

        .btn-login:hover {
            color: #fff;
            background: #0755ca;
            transform: translateY(-2px);
        }

        /* =====================================================
           HERO
        ===================================================== */

        .hero {
            position: relative;
            overflow: hidden;
            padding: 85px 0 80px;
            color: #fff;
            background:
                radial-gradient(
                    circle at 82% 18%,
                    rgba(49, 144, 230, 0.35),
                    transparent 30%
                ),
                radial-gradient(
                    circle at 78% 100%,
                    rgba(16, 185, 129, 0.18),
                    transparent 25%
                ),
                linear-gradient(115deg, #06152c 0%, #0b315a 58%, #0d4c79 100%);
        }

        .hero::before {
            content: "";
            position: absolute;
            width: 550px;
            height: 550px;
            right: -180px;
            top: -280px;
            border: 1px solid rgba(255, 255, 255, 0.10);
            border-radius: 50%;
            box-shadow:
                0 0 0 45px rgba(255, 255, 255, 0.025),
                0 0 0 90px rgba(255, 255, 255, 0.02);
        }

        .hero::after {
            content: "";
            position: absolute;
            width: 380px;
            height: 380px;
            right: 20%;
            bottom: -300px;
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 50%;
        }

        .hero-content {
            position: relative;
            z-index: 2;
        }

        .hero-label {
            display: inline-flex;
            align-items: center;
            gap: 9px;
            padding: 9px 14px;
            margin-bottom: 24px;
            border: 1px solid rgba(255, 255, 255, 0.17);
            border-radius: 50px;
            background: rgba(255, 255, 255, 0.07);
            color: #d7eaff;
            font-size: 11px;
            font-weight: 700;
            letter-spacing: 1.2px;
            text-transform: uppercase;
        }

        .hero-label i {
            color: #5ee0ad;
            font-size: 14px;
        }

        .hero h1 {
            max-width: 760px;
            margin-bottom: 22px;
            font-size: clamp(37px, 5vw, 62px);
            font-weight: 800;
            line-height: 1.12;
            letter-spacing: -2.5px;
        }

        .hero h1 span {
            color: #74b7ff;
        }

        .hero-subtitle {
            max-width: 680px;
            margin-bottom: 18px;
            color: #e3edf9;
            font-size: clamp(16px, 2vw, 20px);
            font-weight: 600;
            line-height: 1.7;
        }

        .hero-description {
            max-width: 620px;
            margin-bottom: 30px;
            color: #bdcfe4;
            font-size: 14px;
            line-height: 1.9;
        }

        .hero-actions {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 13px;
        }

        .btn-hero-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            padding: 15px 23px;
            color: var(--navy);
            background: #fff;
            border: 1px solid #fff;
            border-radius: 10px;
            font-size: 13px;
            font-weight: 700;
            transition: all 0.25s ease;
        }

        .btn-hero-primary:hover {
            color: var(--navy);
            background: #eaf3ff;
            transform: translateY(-2px);
        }

        .btn-hero-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 9px;
            padding: 15px 21px;
            color: #fff;
            background: rgba(255, 255, 255, 0.07);
            border: 1px solid rgba(255, 255, 255, 0.25);
            border-radius: 10px;
            font-size: 13px;
            font-weight: 600;
            transition: all 0.25s ease;
        }

        .btn-hero-secondary:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.15);
        }

        .hero-visual {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            justify-content: center;
            min-height: 330px;
        }

        .visual-orbit {
            position: absolute;
            width: 310px;
            height: 310px;
            border: 1px solid rgba(255, 255, 255, 0.13);
            border-radius: 50%;
        }

        .visual-orbit::before,
        .visual-orbit::after {
            content: "";
            position: absolute;
            inset: 25px;
            border: 1px solid rgba(255, 255, 255, 0.09);
            border-radius: 50%;
        }

        .visual-orbit::after {
            inset: 55px;
        }

        .visual-main {
            position: relative;
            z-index: 2;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            width: 230px;
            height: 230px;
            color: #fff;
            background: linear-gradient(
                145deg,
                rgba(255, 255, 255, 0.16),
                rgba(255, 255, 255, 0.035)
            );
            border: 1px solid rgba(255, 255, 255, 0.23);
            border-radius: 35px;
            box-shadow: 0 25px 70px rgba(0, 0, 0, 0.20);
            backdrop-filter: blur(12px);
            transform: rotate(-4deg);
        }

        .visual-main i {
            margin-bottom: 15px;
            color: #b7dcff;
            font-size: 74px;
        }

        .visual-main strong {
            font-size: 17px;
            font-weight: 800;
        }

        .visual-main small {
            margin-top: 6px;
            color: #c4d8ec;
            font-size: 11px;
        }

        .floating-card {
            position: absolute;
            z-index: 3;
            display: flex;
            align-items: center;
            gap: 11px;
            padding: 13px 15px;
            color: var(--text);
            background: #fff;
            border: 1px solid rgba(255, 255, 255, 0.7);
            border-radius: 13px;
            box-shadow: 0 12px 35px rgba(0, 0, 0, 0.17);
        }

        .floating-card i {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            flex-shrink: 0;
            color: var(--blue);
            background: #eaf3ff;
            border-radius: 10px;
            font-size: 20px;
        }

        .floating-card strong {
            display: block;
            font-size: 12px;
        }

        .floating-card small {
            display: block;
            margin-top: 4px;
            color: var(--muted);
            font-size: 10px;
        }

        .floating-card-one {
            top: 20px;
            right: -5px;
        }

        .floating-card-two {
            bottom: 25px;
            left: -10px;
        }

        .floating-card-two i {
            color: var(--green);
            background: #e4f8ef;
        }

        /* =====================================================
           INDICATEURS
        ===================================================== */

        .trust-section {
            position: relative;
            z-index: 4;
            margin-top: -1px;
            background: #fff;
            border-bottom: 1px solid var(--border);
        }

        .trust-item {
            display: flex;
            align-items: center;
            gap: 13px;
            padding: 25px 15px;
        }

        .trust-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 43px;
            height: 43px;
            flex-shrink: 0;
            color: var(--blue);
            background: #edf4ff;
            border-radius: 12px;
            font-size: 20px;
        }

        .trust-item strong {
            display: block;
            margin-bottom: 4px;
            color: var(--navy);
            font-size: 13px;
            font-weight: 700;
        }

        .trust-item span {
            display: block;
            color: var(--muted);
            font-size: 11px;
        }

        /* =====================================================
           ESPACES
        ===================================================== */

        .spaces-section {
            padding: 85px 0 95px;
            background:
                radial-gradient(
                    circle at 5% 10%,
                    rgba(13, 110, 253, 0.035),
                    transparent 24%
                ),
                #f5f8fd;
        }

        .section-heading {
            max-width: 760px;
            margin: 0 auto 45px;
            text-align: center;
        }

        .section-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 15px;
            color: var(--blue);
            font-size: 11px;
            font-weight: 800;
            letter-spacing: 1.6px;
            text-transform: uppercase;
        }

        .section-eyebrow::before,
        .section-eyebrow::after {
            content: "";
            width: 25px;
            height: 2px;
            background: #9dc5ff;
        }

        .section-heading h2 {
            margin-bottom: 13px;
            color: var(--navy);
            font-size: clamp(27px, 3vw, 38px);
            font-weight: 800;
            letter-spacing: -1.3px;
        }

        .section-heading p {
            margin-bottom: 0;
            color: var(--muted);
            font-size: 14px;
            line-height: 1.8;
        }

        .space-card {
            position: relative;
            display: flex;
            flex-direction: column;
            height: 100%;
            overflow: hidden;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 18px;
            box-shadow: 0 10px 32px rgba(15, 42, 75, 0.055);
            transition:
                transform 0.3s ease,
                box-shadow 0.3s ease;
        }

        .space-card:hover {
            transform: translateY(-7px);
            box-shadow: 0 22px 45px rgba(15, 42, 75, 0.11);
        }

        .space-card::before {
            content: "";
            display: block;
            height: 5px;
            flex-shrink: 0;
            background: var(--card-color);
        }

        .space-card-body {
            display: flex;
            flex-direction: column;
            flex: 1;
            padding: 30px 27px 27px;
        }

        .space-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 10px;
            margin-bottom: 24px;
        }

        .space-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 66px;
            height: 66px;
            flex-shrink: 0;
            color: #fff;
            background: var(--card-color);
            border-radius: 19px;
            font-size: 29px;
            box-shadow: 0 8px 20px var(--card-shadow);
        }

        .space-watermark {
            color: var(--card-color);
            opacity: 0.11;
            font-size: 52px;
        }

        .space-card h3 {
            margin-bottom: 10px;
            color: var(--navy);
            font-size: 19px;
            font-weight: 800;
            letter-spacing: -0.6px;
            line-height: 1.4;
        }

        .space-subtitle {
            min-height: 40px;
            margin-bottom: 20px;
            color: var(--card-color);
            font-size: 12px;
            font-weight: 600;
            line-height: 1.7;
        }

        .space-features {
            display: flex;
            flex-direction: column;
            gap: 15px;
            margin: 0 0 28px;
            padding: 0;
            list-style: none;
        }

        .space-features li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            color: #50627a;
            font-size: 12px;
            line-height: 1.5;
        }

        .space-features i {
            margin-top: 1px;
            color: var(--card-color);
            font-size: 15px;
        }

        .btn-space {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 9px;
            width: 100%;
            margin-top: auto;
            padding: 14px 15px;
            color: #fff;
            background: var(--card-color);
            border: 1px solid var(--card-color);
            border-radius: 10px;
            font-size: 12px;
            font-weight: 700;
            transition: all 0.25s ease;
        }

        .btn-space:hover {
            color: #fff;
            filter: brightness(0.91);
            transform: translateY(-2px);
        }

        .space-national {
            --card-color: #0d6efd;
            --card-shadow: rgba(13, 110, 253, 0.20);
        }

        .space-etablissement {
            --card-color: #079669;
            --card-shadow: rgba(7, 150, 105, 0.20);
        }

        .space-etudiant {
            --card-color: #6846e8;
            --card-shadow: rgba(104, 70, 232, 0.20);
        }

        /* =====================================================
           BANDEAU INSTITUTIONNEL
        ===================================================== */

        .institution-section {
            padding: 0 0 85px;
            background: #f5f8fd;
        }

        .institution-banner {
            position: relative;
            overflow: hidden;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 25px;
            padding: 38px 42px;
            color: #fff;
            background: linear-gradient(115deg, #071a35, #0b3d68);
            border-radius: 20px;
            box-shadow: 0 18px 40px rgba(7, 26, 53, 0.12);
        }

        .institution-banner::after {
            content: "";
            position: absolute;
            width: 220px;
            height: 220px;
            right: -70px;
            top: -120px;
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: 50%;
            box-shadow: 0 0 0 30px rgba(255, 255, 255, 0.025);
        }

        .institution-copy {
            position: relative;
            z-index: 1;
            max-width: 650px;
        }

        .institution-copy h3 {
            margin-bottom: 12px;
            font-size: 23px;
            font-weight: 800;
            line-height: 1.45;
        }

        .institution-copy p {
            margin-bottom: 0;
            color: #c6d7ea;
            font-size: 13px;
            line-height: 1.9;
        }

        .institution-action {
            position: relative;
            z-index: 1;
            flex-shrink: 0;
        }

        .btn-institution {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            padding: 14px 20px;
            color: var(--navy);
            background: #fff;
            border: 1px solid #fff;
            border-radius: 10px;
            font-size: 12px;
            font-weight: 700;
            transition: all 0.25s ease;
        }

        .btn-institution:hover {
            color: var(--navy);
            background: #e8f1fc;
        }

        /* =====================================================
           PIED DE PAGE
        ===================================================== */

        .footer {
            color: #fff;
            background: #06152b;
        }

        .footer-main {
            padding: 55px 0 40px;
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 17px;
            color: #fff;
        }

        .footer-brand .brand-icon {
            width: 44px;
            height: 44px;
            color: #fff;
            background: rgba(255, 255, 255, 0.10);
            border: 1px solid rgba(255, 255, 255, 0.14);
            box-shadow: none;
        }

        .footer-brand .brand-name {
            font-size: 17px;
        }

        .footer-brand .brand-name span {
            color: #85baff;
        }

        .footer-brand .brand-description {
            color: #a7bfd9;
        }

        .footer-about {
            max-width: 330px;
            margin-bottom: 20px;
            color: #a9bdd5;
            font-size: 12px;
            line-height: 1.9;
        }

        .footer-heading {
            margin-bottom: 19px;
            color: #fff;
            font-size: 13px;
            font-weight: 800;
        }

        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 12px;
            margin: 0;
            padding: 0;
            list-style: none;
        }

        .footer-links a {
            display: inline-flex;
            align-items: flex-start;
            gap: 9px;
            color: #a9bdd5;
            font-size: 12px;
            line-height: 1.7;
            transition: color 0.2s ease;
        }

        .footer-links a:hover {
            color: #fff;
        }

        .footer-links i {
            margin-top: 2px;
            color: #71b3ff;
        }

        .footer-socials {
            display: flex;
            flex-wrap: wrap;
            gap: 9px;
        }

        .footer-socials a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            color: #fff;
            background: rgba(255, 255, 255, 0.09);
            border: 1px solid rgba(255, 255, 255, 0.10);
            border-radius: 10px;
            font-size: 15px;
            transition: all 0.2s ease;
        }

        .footer-socials a:hover {
            color: #fff;
            background: var(--blue);
            transform: translateY(-2px);
        }

        .footer-bottom {
            padding: 19px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.10);
        }

        .footer-bottom p {
            margin: 0;
            color: #91a9c5;
            font-size: 11px;
            line-height: 1.8;
        }

        .footer-bottom strong {
            color: #dbeaff;
        }

        .footer-accent {
            display: flex;
            height: 4px;
        }

        .footer-accent span:nth-child(1) {
            width: 33.33%;
            background: #1684e8;
        }

        .footer-accent span:nth-child(2) {
            width: 33.33%;
            background: #f6d44b;
        }

        .footer-accent span:nth-child(3) {
            width: 33.34%;
            background: #079669;
        }

        /* =====================================================
           RESPONSIVE
        ===================================================== */

        @media (max-width: 991.98px) {
            .hero {
                padding: 65px 0;
            }

            .hero-visual {
                min-height: 300px;
                margin-top: 25px;
            }

            .visual-orbit {
                width: 275px;
                height: 275px;
            }

            .space-card-body {
                padding: 25px 22px;
            }

            .institution-banner {
                padding: 32px;
            }
        }

        @media (max-width: 767.98px) {
            .navbar-main {
                padding: 10px 0;
            }

            .brand-icon {
                width: 42px;
                height: 42px;
                font-size: 22px;
            }

            .brand-name {
                font-size: 17px;
            }

            .brand-description {
                font-size: 9px;
            }

            .navbar-collapse {
                padding-top: 15px;
            }

            .navbar-main .nav-link {
                padding: 11px 5px !important;
            }

            .navbar-main .btn-login {
                width: 100%;
                margin-top: 10px;
            }

            .hero {
                padding: 55px 0 50px;
            }

            .hero h1 {
                letter-spacing: -1.5px;
            }

            .hero-description {
                font-size: 13px;
            }

            .hero-visual {
                min-height: 290px;
                margin-top: 35px;
            }

            .visual-main {
                width: 195px;
                height: 195px;
                border-radius: 28px;
            }

            .visual-main i {
                font-size: 60px;
            }

            .visual-orbit {
                width: 250px;
                height: 250px;
            }

            .floating-card-one {
                right: 0;
            }

            .floating-card-two {
                left: 0;
            }

            .trust-item {
                padding: 18px 8px;
            }

            .spaces-section {
                padding: 65px 0;
            }

            .section-heading {
                margin-bottom: 32px;
            }

            .space-card {
                max-width: 480px;
                margin: 0 auto;
            }

            .space-card-body {
                padding: 27px;
            }

            .space-subtitle {
                min-height: auto;
            }

            .institution-section {
                padding-bottom: 60px;
            }

            .institution-banner {
                flex-direction: column;
                align-items: flex-start;
                padding: 30px 25px;
            }

            .institution-copy h3 {
                font-size: 21px;
            }

            .institution-action,
            .btn-institution {
                width: 100%;
            }

            .footer-main {
                padding: 45px 0 25px;
            }

            .footer-column {
                margin-bottom: 28px;
            }
        }

        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                scroll-behavior: auto !important;
                transition-duration: 0.01ms !important;
                animation-duration: 0.01ms !important;
            }
        }