/* =========================================================
   VARIABLES
========================================================= */
:root {
    --abyss: #021b26;
    --deep: #042e3f;
    --deep-2: #032330;
    --ocean: #0a5d75;
    --cyan: #22d3ee;
    --cyan-soft: #67e8f9;
    --turquoise: #2dd4bf;
    --aqua: #a5f3fc;
    --gold: #d9a441;
    --sand: #f4e9d3;
    --cream: #f5f9fa;
    --white: #ffffff;
    --dark: #0a1f29;
    --gray: #6b7d82;
    --grid-line: rgba(34, 211, 238, .12);

    --serif: "DM Serif Display", Georgia, serif;
    --sans: "Space Grotesk", "Inter", Arial, sans-serif;
    --body: "Inter", Arial, sans-serif;
    --mono: "JetBrains Mono", monospace;

    --container: 1280px;

    --shadow-sm: 0 10px 30px rgba(0,0,0,.08);
    --shadow: 0 25px 70px rgba(2,27,38,.18);
    --shadow-lg: 0 40px 100px rgba(2,27,38,.28);

    --transition: .5s cubic-bezier(.19,1,.22,1);
    --transition-fast: .3s cubic-bezier(.19,1,.22,1);
}

/* =========================================================
   RESET
========================================================= */
* { margin: 0; padding: 0; box-sizing: border-box; }

html {
    scroll-behavior: smooth;
    scroll-padding-top: 100px;
}

body {
    font-family: var(--body);
    background: var(--cream);
    color: var(--dark);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

img { width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; }

::selection { background: var(--cyan); color: var(--abyss); }

::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--cream); }
::-webkit-scrollbar-thumb {
    background: linear-gradient(var(--deep), var(--ocean));
    border-radius: 10px;
    border: 2px solid var(--cream);
}
::-webkit-scrollbar-thumb:hover { background: var(--cyan); }

.container {
    width: min(var(--container), calc(100% - 80px));
    margin: auto;
}

/* =========================================================
   ANIMATIONS
========================================================= */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 1s cubic-bezier(.19,1,.22,1), transform 1s cubic-bezier(.19,1,.22,1);
}
.reveal.active { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: .1s; }
.reveal-delay-2 { transition-delay: .2s; }
.reveal-delay-3 { transition-delay: .3s; }
.reveal-delay-4 { transition-delay: .4s; }

.slide-left {
    opacity: 0;
    transform: translateX(-60px);
    transition: opacity 1s cubic-bezier(.19,1,.22,1), transform 1s cubic-bezier(.19,1,.22,1);
}
.slide-left.active { opacity: 1; transform: translateX(0); }

.slide-right {
    opacity: 0;
    transform: translateX(60px);
    transition: opacity 1s cubic-bezier(.19,1,.22,1), transform 1s cubic-bezier(.19,1,.22,1);
}
.slide-right.active { opacity: 1; transform: translateX(0); }

.split-letter {
    display: inline-block;
    opacity: 0;
    transform: translateY(60px) rotateX(-90deg);
    transform-origin: bottom;
    transition: opacity .8s cubic-bezier(.19,1,.22,1), transform .8s cubic-bezier(.19,1,.22,1);
}
.split-letter.active { opacity: 1; transform: translateY(0) rotateX(0); }

.shimmer {
    background: linear-gradient(
        120deg,
        var(--deep) 0%,
        var(--deep) 40%,
        var(--cyan) 50%,
        var(--deep) 60%,
        var(--deep) 100%
    );
    background-size: 200% 100%;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: shimmerMove 5s linear infinite;
}
@keyframes shimmerMove {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* =========================================================
   SECTION HEADERS
========================================================= */
.section-label {
    color: var(--cyan);
    font-family: var(--mono);
    font-size: 11px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 3px;
    margin-bottom: 20px;
    display: inline-flex;
    align-items: center;
    gap: 14px;
}

.section-label::before {
    content: "";
    width: 30px;
    height: 1px;
    background: var(--cyan);
}

.section-label::after {
    content: "";
    width: 6px; height: 6px;
    background: var(--cyan);
    border-radius: 50%;
    box-shadow: 0 0 12px var(--cyan);
    animation: pulseDot 2s infinite;
}

.section-label.center { justify-content: center; }

@keyframes pulseDot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: .4; transform: scale(.7); }
}

.section-title {
    font-family: var(--serif);
    color: var(--deep);
    font-size: clamp(42px, 5vw, 68px);
    font-weight: 400;
    line-height: 1.02;
    margin-bottom: 28px;
    letter-spacing: -1px;
}

.section-title.light { color: var(--white); }

.section-subtitle {
    color: var(--gray);
    font-size: 15px;
    line-height: 1.8;
    max-width: 720px;
}

.section-header-center {
    text-align: center;
    max-width: 760px;
    margin: 0 auto 70px;
}

.section-header-center .section-label { justify-content: center; }

/* =========================================================
   HEADER / NAVIGATION
========================================================= */
.header {
    position: fixed;
    top: 0; left: 0;
    width: 100%;
    z-index: 1000;
    transition: var(--transition);
    padding: 15px 0;
}

.header.scrolled {
    background: rgba(245,249,250,.92);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    box-shadow: 0 5px 40px rgba(2,27,38,.08);
    padding: 5px 0;
}

.header.scrolled .navbar { height: 75px; }

.navbar {
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: min(var(--container), calc(100% - 80px));
    margin: auto;
    transition: var(--transition);
}

/* ===== LOGO IMAGE HEADER — adapté pour logo transparent ===== */
.logo {
    display: flex;
    align-items: center;
    transition: var(--transition);
    flex-shrink: 0;
}

.logo-img {
    height: 55px;
    width: auto;
    transition: var(--transition);
    /* Le logo est déjà transparent : on ne le force PAS en blanc.
       On ajoute juste un drop-shadow pour le faire ressortir
       sur le header transparent du hero. */
    filter: drop-shadow(0 2px 10px rgba(0, 0, 0, 0.45));
}

.header.scrolled .logo-img {
    /* Sur fond clair, on réduit l'ombre pour un rendu plus net */
    filter: drop-shadow(0 2px 6px rgba(0, 0, 0, 0.15));
}

.logo:hover .logo-img {
    transform: scale(1.05);
}

.header.scrolled .logo:hover .logo-img {
    filter: drop-shadow(0 0 12px rgba(34,211,238,0.5));
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 6px;
    list-style: none;
}

.nav-links li { position: relative; }

.nav-links a {
    color: var(--white);
    font-family: var(--sans);
    font-size: 12px;
    font-weight: 500;
    letter-spacing: .5px;
    text-transform: uppercase;
    padding: 10px 12px;
    transition: var(--transition-fast);
    position: relative;
    display: inline-block;
    text-shadow: 0 1px 4px rgba(0,0,0,.3);
}

.header.scrolled .nav-links a {
    color: var(--dark);
    text-shadow: none;
}

.nav-links a::after {
    content: "";
    position: absolute;
    left: 12px; right: 12px;
    bottom: 4px;
    height: 1.5px;
    background: var(--cyan);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition);
}

.nav-links a:hover { color: var(--cyan); }
.nav-links a:hover::after { transform: scaleX(1); }

.nav-button {
    background: transparent;
    color: var(--cyan);
    padding: 13px 24px;
    border: 1.5px solid var(--cyan);
    border-radius: 4px;
    font-family: var(--mono);
    font-size: 10.5px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 2px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    z-index: 1;
    cursor: pointer;
}

.nav-button::before {
    content: "";
    position: absolute;
    top: 0; left: -100%;
    width: 100%; height: 100%;
    background: var(--cyan);
    transition: .5s;
    z-index: -1;
}

.nav-button:hover::before { left: 0; }
.nav-button:hover { color: var(--abyss); box-shadow: 0 0 30px rgba(34,211,238,.4); }

.menu-toggle {
    display: none;
    border: 0;
    background: transparent;
    color: white;
    font-size: 28px;
    cursor: pointer;
    transition: var(--transition);
}

.header.scrolled .menu-toggle { color: var(--deep); }

/* =========================================================
   HERO
========================================================= */
.hero {
    min-height: 100vh;
    position: relative;
    display: flex;
    align-items: center;
    background:
        linear-gradient(100deg, rgba(2,27,38,.92) 0%, rgba(2,27,38,.6) 55%, rgba(2,27,38,.25) 100%),
        url("https://images.unsplash.com/photo-1524178232363-1fb2b075b655?auto=format&fit=crop&w=2000&q=80") center / cover no-repeat;
    background-attachment: fixed;
    overflow: hidden;
}

.hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(var(--grid-line) 1px, transparent 1px),
        linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse at 30% 50%, black 20%, transparent 80%);
    -webkit-mask-image: radial-gradient(ellipse at 30% 50%, black 20%, transparent 80%);
    z-index: 1;
    pointer-events: none;
}

.hero::after {
    content: "";
    position: absolute;
    left: 0; right: 0; bottom: 0;
    height: 200px;
    background: linear-gradient(transparent, var(--cream));
    z-index: 2;
    pointer-events: none;
}

.ocean-particles {
    position: absolute;
    inset: 0;
    z-index: 1;
    pointer-events: none;
    overflow: hidden;
}

.ocean-particles span {
    position: absolute;
    width: 4px; height: 4px;
    background: var(--cyan);
    border-radius: 50%;
    box-shadow: 0 0 12px var(--cyan);
    animation: floatUp linear infinite;
    opacity: 0;
}

@keyframes floatUp {
    0% { transform: translateY(100vh) scale(.3); opacity: 0; }
    10% { opacity: .8; }
    90% { opacity: .8; }
    100% { transform: translateY(-100px) scale(1); opacity: 0; }
}

.hero-content {
    position: relative;
    z-index: 3;
    width: min(780px, 90%);
    margin-left: max(40px, calc((100vw - var(--container)) / 2));
}

.hero-tag {
    display: inline-flex;
    align-items: center;
    gap: 14px;
    color: var(--cyan);
    font-family: var(--mono);
    font-size: 11px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 4px;
    margin-bottom: 30px;
    opacity: 0;
    animation: fadeInUp .9s .2s cubic-bezier(.19,1,.22,1) forwards;
}

.hero-tag::before {
    content: "";
    width: 45px;
    height: 1px;
    background: var(--cyan);
}

.hero h1 {
    color: var(--white);
    font-family: var(--serif);
    font-size: clamp(48px, 7vw, 100px);
    line-height: .96;
    font-weight: 400;
    margin-bottom: 35px;
    letter-spacing: -2px;
}

.hero h1 .line { display: block; overflow: hidden; }
.hero h1 .line span {
    display: inline-block;
    transform: translateY(120%);
    animation: revealUp 1.2s cubic-bezier(.19,1,.22,1) forwards;
}
.hero h1 .line:nth-child(1) span { animation-delay: .3s; }
.hero h1 .line:nth-child(2) span { animation-delay: .45s; }
.hero h1 .line:nth-child(3) span { animation-delay: .6s; }

@keyframes revealUp { to { transform: translateY(0); } }

.hero h1 em {
    color: var(--cyan);
    font-style: italic;
    position: relative;
    display: inline-block;
}

.hero h1 em::after {
    content: "";
    position: absolute;
    left: 0; bottom: 12px;
    width: 100%; height: 3px;
    background: linear-gradient(90deg, transparent, var(--cyan), transparent);
    opacity: .6;
    transform: scaleX(0);
    transform-origin: left;
    animation: underlineExpand 1.4s 1.4s cubic-bezier(.19,1,.22,1) forwards;
}

@keyframes underlineExpand { to { transform: scaleX(1); } }

.hero-text {
    color: rgba(255,255,255,.85);
    max-width: 620px;
    font-size: 16.5px;
    font-weight: 300;
    line-height: 1.85;
    margin-bottom: 42px;
    opacity: 0;
    animation: fadeInUp 1s .9s cubic-bezier(.19,1,.22,1) forwards;
}

.hero-buttons {
    display: flex;
    align-items: center;
    gap: 15px;
    opacity: 0;
    animation: fadeInUp 1s 1.1s cubic-bezier(.19,1,.22,1) forwards;
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(40px); }
    to { opacity: 1; transform: translateY(0); }
}

.hero-stats {
    position: absolute;
    right: max(40px, calc((100vw - var(--container)) / 2));
    bottom: 200px;
    z-index: 3;
    display: flex;
    flex-direction: column;
    gap: 20px;
    opacity: 0;
    animation: fadeInUp 1s 1.4s cubic-bezier(.19,1,.22,1) forwards;
}

.hero-stat {
    text-align: right;
    padding-right: 20px;
    border-right: 2px solid var(--cyan);
    transition: var(--transition);
}

.hero-stat:hover { transform: translateX(-8px); }

.hero-stat b {
    display: block;
    color: var(--cyan);
    font-family: var(--serif);
    font-size: 42px;
    line-height: 1;
    font-weight: 400;
}

.hero-stat span {
    color: rgba(255,255,255,.6);
    font-family: var(--mono);
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    min-height: 54px;
    padding: 0 30px;
    border-radius: 4px;
    font-family: var(--mono);
    font-size: 11px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 2px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--cyan);
    color: var(--abyss);
    box-shadow: 0 12px 30px rgba(34,211,238,.3);
}

.btn-primary::before {
    content: "";
    position: absolute;
    top: 0; left: -100%;
    width: 100%; height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,.5), transparent);
    transition: .7s;
}

.btn-primary:hover::before { left: 100%; }
.btn-primary:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 45px rgba(34,211,238,.5);
}

.btn-light {
    border: 1.5px solid rgba(255,255,255,.5);
    color: var(--white);
    backdrop-filter: blur(10px);
    background: rgba(255,255,255,.05);
}

.btn-light:hover {
    background: white;
    color: var(--deep);
    border-color: white;
    transform: translateY(-4px);
}

.btn .arrow { transition: var(--transition); }
.btn:hover .arrow { transform: translateX(4px); }

.scroll-indicator {
    position: absolute;
    bottom: 140px;
    left: max(40px, calc((100vw - var(--container)) / 2));
    z-index: 3;
    display: flex;
    align-items: center;
    gap: 15px;
    color: rgba(255,255,255,.6);
    font-family: var(--mono);
    font-size: 10px;
    letter-spacing: 3px;
    text-transform: uppercase;
    opacity: 0;
    animation: fadeInUp 1s 1.6s cubic-bezier(.19,1,.22,1) forwards;
}

.scroll-line {
    width: 60px;
    height: 1px;
    background: rgba(255,255,255,.3);
    position: relative;
    overflow: hidden;
}

.scroll-line::after {
    content: "";
    position: absolute;
    top: 0; left: 0;
    width: 20px; height: 100%;
    background: var(--cyan);
    animation: scrollMove 2s infinite ease-in-out;
}

@keyframes scrollMove {
    0% { transform: translateX(-20px); }
    100% { transform: translateX(60px); }
}

/* =========================================================
   MARQUEE
========================================================= */
.marquee {
    background: var(--abyss);
    color: var(--cyan);
    padding: 20px 0;
    overflow: hidden;
    font-family: var(--mono);
    font-size: 12px;
    letter-spacing: 3px;
    text-transform: uppercase;
    border-top: 1px solid rgba(34,211,238,.2);
    border-bottom: 1px solid rgba(34,211,238,.2);
    position: relative;
    z-index: 5;
}

.marquee-track {
    display: flex;
    gap: 60px;
    animation: marqueeScroll 40s linear infinite;
    white-space: nowrap;
    width: max-content;
}

.marquee-track span { display: flex; align-items: center; gap: 60px; }
.marquee-track span::after { content: "◆"; color: var(--gold); font-size: 10px; }

@keyframes marqueeScroll { to { transform: translateX(-50%); } }

/* =========================================================
   SECTION INTRO FORMATION
========================================================= */
.intro {
    padding: 140px 0;
    background: var(--cream);
    position: relative;
    overflow: hidden;
}

.intro::before {
    content: "FORMATION";
    position: absolute;
    top: 60px;
    right: -50px;
    font-family: var(--sans);
    font-size: 200px;
    font-weight: 700;
    color: rgba(4,46,63,.03);
    letter-spacing: 20px;
    pointer-events: none;
    white-space: nowrap;
}

.intro-grid {
    display: grid;
    grid-template-columns: .9fr 1.1fr;
    gap: 100px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.photo-frame {
    position: relative;
    padding: 18px;
    transition: var(--transition);
}

.photo-frame::before,
.photo-frame::after {
    content: "";
    position: absolute;
    width: 60px; height: 60px;
    border: 2px solid var(--cyan);
    transition: var(--transition);
    z-index: 3;
    pointer-events: none;
}

.photo-frame::before {
    top: 0; left: 0;
    border-right: 0;
    border-bottom: 0;
}

.photo-frame::after {
    bottom: 0; right: 0;
    border-left: 0;
    border-top: 0;
}

.photo-frame:hover::before,
.photo-frame:hover::after {
    width: 90px;
    height: 90px;
    border-color: var(--gold);
}

.photo-frame img {
    height: 600px;
    object-fit: cover;
    border-radius: 4px;
    position: relative;
    z-index: 2;
    transition: var(--transition);
    filter: saturate(1.05);
}

.photo-frame:hover img {
    transform: scale(1.02);
    filter: saturate(1.2) contrast(1.05);
}

.photo-scan {
    position: absolute;
    top: 18px; left: 18px; right: 18px; bottom: 18px;
    z-index: 3;
    pointer-events: none;
    overflow: hidden;
    border-radius: 4px;
}

.photo-scan::before {
    content: "";
    position: absolute;
    left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--cyan), transparent);
    box-shadow: 0 0 25px var(--cyan), 0 0 50px var(--cyan);
    animation: scanLine 4s ease-in-out infinite;
    opacity: 0;
    transition: opacity .4s;
}

.photo-frame:hover .photo-scan::before { opacity: 1; }

@keyframes scanLine {
    0% { top: 0; }
    100% { top: 100%; }
}

.photo-badge {
    position: absolute;
    top: 35px;
    right: 35px;
    z-index: 4;
    background: rgba(2,27,38,.85);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(34,211,238,.4);
    padding: 8px 14px;
    font-family: var(--mono);
    font-size: 10px;
    color: var(--cyan);
    letter-spacing: 1.5px;
    border-radius: 3px;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
}

.photo-badge::before {
    content: "";
    width: 6px; height: 6px;
    background: var(--cyan);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--cyan);
    animation: pulseDot 1.5s infinite;
}

.photo-frame:hover .photo-badge {
    transform: translateX(-5px);
    border-color: var(--gold);
    color: var(--gold);
}

.intro-points {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin: 35px 0 40px;
}

.intro-point {
    padding: 20px;
    background: white;
    border-radius: 6px;
    border-left: 3px solid var(--cyan);
    transition: var(--transition);
}

.intro-point:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-sm);
    border-left-color: var(--gold);
}

.intro-point b {
    display: block;
    font-family: var(--serif);
    color: var(--deep);
    font-size: 26px;
    line-height: 1;
    margin-bottom: 6px;
}

.intro-point span {
    font-family: var(--mono);
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--gray);
}

/* =========================================================
   SECTION : CHIFFRES CLÉS FORMATION
========================================================= */
.keyfigures {
    padding: 80px 0;
    background: linear-gradient(180deg, var(--deep) 0%, var(--abyss) 100%);
    position: relative;
    overflow: hidden;
}

.keyfigures::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(34,211,238,.06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(34,211,238,.06) 1px, transparent 1px);
    background-size: 60px 60px;
    pointer-events: none;
}

.keyfigures-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    position: relative;
    z-index: 1;
}

.keyfigure {
    text-align: center;
    padding: 30px 20px;
    border-right: 1px solid rgba(34,211,238,.15);
    transition: var(--transition);
}

.keyfigure:last-child { border-right: 0; }
.keyfigure:hover { transform: translateY(-8px); }

.keyfigure b {
    display: block;
    color: var(--cyan);
    font-family: var(--serif);
    font-size: 52px;
    line-height: 1;
    letter-spacing: -2px;
    transition: var(--transition);
}

.keyfigure:hover b {
    color: var(--gold);
    text-shadow: 0 0 30px rgba(217,164,65,.4);
}

.keyfigure span {
    display: block;
    color: rgba(255,255,255,.65);
    font-family: var(--mono);
    font-size: 10.5px;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-top: 12px;
    font-weight: 500;
}

/* =========================================================
   SECTION : PARCOURS DE FORMATION
========================================================= */
.programs {
    padding: 140px 0;
    background: var(--cream);
    position: relative;
}

.programs-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 40px;
}

.program-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid rgba(4,46,63,.08);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    position: relative;
}

.program-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow);
    border-color: rgba(34,211,238,.4);
}

.program-header {
    height: 200px;
    overflow: hidden;
    position: relative;
}

.program-header img {
    width: 100%; height: 100%;
    object-fit: cover;
    transition: transform 1s cubic-bezier(.19,1,.22,1);
}

.program-card:hover .program-header img {
    transform: scale(1.1);
}

.program-header::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(transparent 40%, rgba(2,27,38,.8));
}

.program-level {
    position: absolute;
    top: 20px; left: 20px;
    z-index: 2;
    background: var(--cyan);
    color: var(--abyss);
    font-family: var(--mono);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 2px;
    padding: 6px 12px;
    border-radius: 3px;
    text-transform: uppercase;
}

.program-duration {
    position: absolute;
    bottom: 20px; right: 20px;
    z-index: 2;
    background: rgba(2,27,38,.85);
    backdrop-filter: blur(10px);
    color: var(--cyan);
    font-family: var(--mono);
    font-size: 10px;
    letter-spacing: 1.5px;
    padding: 6px 12px;
    border-radius: 3px;
    border: 1px solid rgba(34,211,238,.3);
}

.program-body {
    padding: 32px 28px 28px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.program-body h3 {
    font-family: var(--serif);
    color: var(--deep);
    font-size: 26px;
    font-weight: 400;
    line-height: 1.15;
    margin-bottom: 14px;
}

.program-body p {
    color: var(--gray);
    font-size: 13.5px;
    line-height: 1.75;
    margin-bottom: 22px;
    flex: 1;
}

.program-list {
    list-style: none;
    margin-bottom: 24px;
    padding-top: 20px;
    border-top: 1px dashed rgba(4,46,63,.12);
}

.program-list li {
    color: var(--dark);
    font-size: 12.5px;
    padding: 6px 0 6px 22px;
    position: relative;
    font-family: var(--mono);
    letter-spacing: .3px;
}

.program-list li::before {
    content: "▸";
    position: absolute;
    left: 0;
    color: var(--cyan);
    font-size: 12px;
}

.program-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 20px;
    border-top: 1px solid rgba(4,46,63,.08);
}

.program-tag {
    font-family: var(--mono);
    font-size: 10px;
    color: var(--ocean);
    letter-spacing: 1.5px;
    text-transform: uppercase;
    padding: 5px 10px;
    background: #e8f6f8;
    border-radius: 3px;
}

.program-link {
    color: var(--cyan);
    font-family: var(--mono);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: var(--transition);
}

.program-card:hover .program-link {
    color: var(--gold);
    gap: 12px;
}

/* =========================================================
   SECTION : DOMAINES DE FORMATION
========================================================= */
.fields {
    background: linear-gradient(180deg, var(--abyss) 0%, var(--deep-2) 100%);
    padding: 140px 0;
    position: relative;
    overflow: hidden;
}

.fields::before {
    content: "";
    position: absolute;
    top: -200px; right: -200px;
    width: 600px; height: 600px;
    background: radial-gradient(circle, rgba(34,211,238,.08), transparent 70%);
    pointer-events: none;
}

.fields-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.field-card {
    height: 460px;
    position: relative;
    overflow: hidden;
    border-radius: 6px;
    cursor: pointer;
    transition: var(--transition);
    border: 1px solid rgba(34,211,238,.15);
}

.field-card img {
    width: 100%; height: 100%;
    object-fit: cover;
    transition: transform 1s cubic-bezier(.19,1,.22,1);
    filter: saturate(.85);
}

.field-card::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(transparent 25%, rgba(2,27,38,.95));
    z-index: 1;
}

.field-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 30px 60px rgba(34,211,238,.2);
    border-color: var(--cyan);
}

.field-card:hover img {
    transform: scale(1.12);
    filter: saturate(1.1);
}

.field-content {
    position: absolute;
    left: 28px; right: 28px; bottom: 28px;
    z-index: 2;
}

.field-code {
    color: var(--cyan);
    font-family: var(--mono);
    font-size: 10.5px;
    font-weight: 500;
    letter-spacing: 2px;
    margin-bottom: 12px;
    display: inline-block;
    padding: 4px 10px;
    border: 1px solid rgba(34,211,238,.3);
    border-radius: 3px;
}

.field-content h3 {
    color: white;
    font-family: var(--serif);
    font-size: 24px;
    font-weight: 400;
    margin-bottom: 10px;
    line-height: 1.15;
}

.field-content p {
    color: rgba(255,255,255,.7);
    font-size: 12.5px;
    line-height: 1.6;
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition: var(--transition);
}

.field-card:hover .field-content p {
    max-height: 100px;
    opacity: 1;
    margin-top: 8px;
}

/* =========================================================
   SECTION : STAGES & MÉMOIRES
========================================================= */
.internships {
    padding: 140px 0;
    background: var(--cream);
    position: relative;
}

.internships-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin-top: 40px;
}

.internship-card {
    background: white;
    border-radius: 10px;
    padding: 40px 36px;
    border: 1px solid rgba(4,46,63,.08);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.internship-card::before {
    content: "";
    position: absolute;
    top: 0; left: 0;
    width: 4px; height: 100%;
    background: linear-gradient(180deg, var(--cyan), var(--ocean));
    transform: scaleY(0);
    transform-origin: top;
    transition: transform var(--transition);
}

.internship-card:hover::before { transform: scaleY(1); }

.internship-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow);
    border-color: rgba(34,211,238,.4);
}

.internship-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 22px;
}

.internship-icon {
    width: 52px; height: 52px;
    background: linear-gradient(135deg, var(--cyan), var(--ocean));
    border-radius: 10px;
    display: grid;
    place-items: center;
    color: white;
    font-size: 22px;
    flex-shrink: 0;
    box-shadow: 0 8px 20px rgba(34,211,238,.3);
}

.internship-card h3 {
    font-family: var(--serif);
    color: var(--deep);
    font-size: 24px;
    font-weight: 400;
    line-height: 1.2;
}

.internship-card p {
    color: var(--gray);
    font-size: 14px;
    line-height: 1.85;
    margin-bottom: 20px;
}

.internship-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    padding-top: 20px;
    border-top: 1px dashed rgba(4,46,63,.12);
}

.internship-meta span {
    font-family: var(--mono);
    font-size: 10.5px;
    color: var(--ocean);
    letter-spacing: 1.5px;
    text-transform: uppercase;
    padding: 5px 10px;
    background: #e8f6f8;
    border-radius: 3px;
    border: 1px solid transparent;
    transition: var(--transition);
}

.internship-meta span:hover {
    background: var(--cyan);
    color: var(--abyss);
    border-color: var(--cyan);
}

/* =========================================================
   SECTION : PROCESSUS D'ADMISSION
========================================================= */
.admission {
    padding: 140px 0;
    background: linear-gradient(180deg, #eaf6f8 0%, #dcf1f3 100%);
    position: relative;
    overflow: hidden;
}

.admission-steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    position: relative;
    margin-top: 50px;
}

.admission-steps::before {
    content: "";
    position: absolute;
    top: 40px;
    left: 12%;
    right: 12%;
    height: 2px;
    background: repeating-linear-gradient(
        90deg,
        var(--cyan) 0px,
        var(--cyan) 8px,
        transparent 8px,
        transparent 16px
    );
    z-index: 0;
}

.step {
    position: relative;
    z-index: 1;
    text-align: center;
}

.step-number {
    width: 80px; height: 80px;
    background: white;
    border: 2px solid var(--cyan);
    border-radius: 50%;
    display: grid;
    place-items: center;
    margin: 0 auto 24px;
    font-family: var(--serif);
    font-size: 32px;
    color: var(--cyan);
    position: relative;
    transition: var(--transition);
    box-shadow: 0 0 0 8px rgba(34,211,238,.1);
}

.step:hover .step-number {
    background: var(--cyan);
    color: var(--abyss);
    transform: scale(1.1);
    box-shadow: 0 0 0 12px rgba(34,211,238,.15), 0 15px 30px rgba(34,211,238,.3);
}

.step h3 {
    font-family: var(--serif);
    color: var(--deep);
    font-size: 22px;
    font-weight: 400;
    margin-bottom: 12px;
}

.step p {
    color: var(--gray);
    font-size: 13.5px;
    line-height: 1.75;
    padding: 0 10px;
}

/* =========================================================
   SECTION : PUBLICATIONS & RECHERCHE
========================================================= */
.publications {
    padding: 140px 0;
    background: var(--cream);
    position: relative;
}

.publications-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 80px;
    align-items: start;
}

.publications-list { display: flex; flex-direction: column; gap: 2px; }

.publication {
    display: grid;
    grid-template-columns: 80px 1fr auto;
    gap: 24px;
    padding: 24px 20px;
    border-bottom: 1px solid rgba(4,46,63,.08);
    transition: var(--transition);
    align-items: center;
    cursor: pointer;
    border-radius: 4px;
}

.publication:first-child { border-top: 1px solid rgba(4,46,63,.08); }

.publication:hover {
    background: white;
    padding-left: 28px;
    box-shadow: var(--shadow-sm);
}

.publication-year {
    font-family: var(--mono);
    font-size: 13px;
    font-weight: 700;
    color: var(--cyan);
    letter-spacing: 1px;
    position: relative;
    padding-left: 16px;
}

.publication-year::before {
    content: "";
    position: absolute;
    left: 0; top: 50%;
    transform: translateY(-50%);
    width: 6px; height: 6px;
    background: var(--cyan);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--cyan);
}

.publication-info h4 {
    font-family: var(--sans);
    font-size: 14.5px;
    font-weight: 600;
    color: var(--deep);
    margin-bottom: 5px;
    line-height: 1.4;
    transition: var(--transition-fast);
}

.publication:hover .publication-info h4 { color: var(--ocean); }

.publication-info p {
    font-size: 12.5px;
    color: var(--gray);
    font-style: italic;
}

.publication-tag {
    font-family: var(--mono);
    font-size: 9.5px;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    padding: 5px 10px;
    border: 1px solid rgba(34,211,238,.3);
    border-radius: 3px;
    color: var(--ocean);
    white-space: nowrap;
    transition: var(--transition);
}

.publication:hover .publication-tag {
    background: var(--cyan);
    color: var(--abyss);
    border-color: var(--cyan);
}

.publications-aside {
    position: sticky;
    top: 120px;
    padding: 40px;
    background: linear-gradient(135deg, var(--deep) 0%, var(--abyss) 100%);
    border-radius: 12px;
    color: white;
    overflow: hidden;
}

.publications-aside::before {
    content: "";
    position: absolute;
    top: -50px; right: -50px;
    width: 200px; height: 200px;
    background: radial-gradient(circle, rgba(34,211,238,.15), transparent 70%);
    pointer-events: none;
}

.publications-aside h3 {
    font-family: var(--serif);
    font-size: 30px;
    line-height: 1.1;
    margin-bottom: 20px;
    position: relative;
    z-index: 1;
}

.publications-aside p {
    color: rgba(255,255,255,.7);
    font-size: 14px;
    line-height: 1.8;
    margin-bottom: 30px;
    position: relative;
    z-index: 1;
}

.publications-aside .btn { width: 100%; position: relative; z-index: 1; }

/* =========================================================
   SECTION : ÉQUIPE PÉDAGOGIQUE
========================================================= */
.faculty {
    padding: 140px 0;
    background: var(--cream);
    position: relative;
}

.faculty-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
}

.faculty-member {
    text-align: center;
    transition: var(--transition);
    cursor: pointer;
}

.faculty-photo {
    width: 100%;
    aspect-ratio: 1;
    overflow: hidden;
    border-radius: 50%;
    position: relative;
    margin-bottom: 24px;
    border: 3px solid transparent;
    transition: var(--transition);
    background: linear-gradient(135deg, var(--cyan), var(--deep));
    padding: 4px;
}

.faculty-photo img {
    width: 100%; height: 100%;
    object-fit: cover;
    border-radius: 50%;
    transition: var(--transition);
    filter: saturate(.95);
}

.faculty-member:hover .faculty-photo {
    border-color: var(--cyan);
    transform: scale(1.03);
    box-shadow: 0 25px 50px rgba(34,211,238,.3);
}

.faculty-member:hover .faculty-photo img {
    filter: saturate(1.1);
    transform: scale(1.05);
}

.faculty-member h4 {
    font-family: var(--serif);
    font-size: 22px;
    color: var(--deep);
    margin-bottom: 6px;
    font-weight: 400;
    transition: var(--transition);
}

.faculty-member:hover h4 { color: var(--ocean); }

.faculty-role {
    font-family: var(--mono);
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--cyan);
    margin-bottom: 8px;
    font-weight: 500;
}

.faculty-spec {
    font-size: 12.5px;
    color: var(--gray);
    line-height: 1.6;
}

/* =========================================================
   SECTION : TÉMOIGNAGES
========================================================= */
.testimonials {
    padding: 140px 0;
    background: linear-gradient(180deg, var(--abyss) 0%, var(--deep-2) 100%);
    position: relative;
    overflow: hidden;
}

.testimonials::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(34,211,238,.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(34,211,238,.05) 1px, transparent 1px);
    background-size: 80px 80px;
    pointer-events: none;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
    position: relative;
    z-index: 1;
}

.testimonial {
    background: rgba(255,255,255,.03);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(34,211,238,.2);
    border-radius: 10px;
    padding: 40px 32px;
    transition: var(--transition);
    position: relative;
}


.testimonial:hover {
    transform: translateY(-8px);
    background: rgba(34,211,238,.06);
    border-color: var(--cyan);
    box-shadow: 0 25px 50px rgba(34,211,238,.2);
}

.testimonial-text {
    color: rgba(255,255,255,.85);
    font-size: 14.5px;
    line-height: 1.85;
    margin-bottom: 28px;
    font-style: italic;
    position: relative;
    z-index: 1;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 14px;
    padding-top: 22px;
    border-top: 1px solid rgba(34,211,238,.15);
}

.testimonial-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    overflow: hidden;
    flex-shrink: 0;
    border: 2px solid rgba(34,211,238,.4);
}

.testimonial-avatar img {
    width: 100%; height: 100%;
    object-fit: cover;
}

.testimonial-info h5 {
    color: white;
    font-family: var(--sans);
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 3px;
}

.testimonial-info span {
    color: var(--cyan);
    font-family: var(--mono);
    font-size: 10px;
    letter-spacing: 1.5px;
    text-transform: uppercase;
}

/* =========================================================
   SECTION : PARTENAIRES
========================================================= */
.partners {
    padding: 80px 0;
    background: var(--white);
    border-top: 1px solid rgba(4,46,63,.06);
    border-bottom: 1px solid rgba(4,46,63,.06);
    overflow: hidden;
}

.partners-label {
    text-align: center;
    font-family: var(--mono);
    font-size: 10.5px;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--gray);
    margin-bottom: 40px;
}

.partners-track {
    display: flex;
    gap: 80px;
    animation: partnersScroll 30s linear infinite;
    width: max-content;
}

.partner {
    font-family: var(--serif);
    font-size: 22px;
    color: var(--deep);
    opacity: .4;
    white-space: nowrap;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 12px;
}

.partner:hover { opacity: 1; color: var(--ocean); }

.partner::before {
    content: "◈";
    color: var(--cyan);
    font-size: 12px;
    opacity: .6;
}

@keyframes partnersScroll {
    to { transform: translateX(-50%); }
}

/* =========================================================
   CTA FINAL
========================================================= */
.cta {
    position: relative;
    padding: 180px 20px;
    text-align: center;
    background:
        linear-gradient(rgba(2,27,38,.82), rgba(3,28,36,.94)),
        url("https://images.unsplash.com/photo-1523050854058-8df90110c9f1?auto=format&fit=crop&w=2000&q=80") center / cover;
    background-attachment: fixed;
    overflow: hidden;
}

.cta::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at center, transparent 0%, rgba(2,27,38,.6) 100%),
        repeating-linear-gradient(
            0deg,
            transparent 0px,
            transparent 2px,
            rgba(34,211,238,.03) 2px,
            rgba(34,211,238,.03) 4px
        );
    pointer-events: none;
}

.cta-content {
    position: relative;
    z-index: 2;
    max-width: 820px;
    margin: auto;
}

.cta .section-label { justify-content: center; color: var(--cyan); }

.cta h2 {
    color: white;
    font-family: var(--serif);
    font-size: clamp(48px, 6.5vw, 90px);
    font-weight: 400;
    line-height: 1;
    margin-bottom: 30px;
    letter-spacing: -2px;
}

.cta p {
    color: rgba(255,255,255,.8);
    max-width: 580px;
    margin: 0 auto 42px;
    font-size: 16px;
    font-weight: 300;
    line-height: 1.8;
}

.cta-buttons {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
}

/* =========================================================
   FOOTER
========================================================= */
.footer {
    background: var(--abyss);
    color: white;
    padding: 90px 0 30px;
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: "";
    position: absolute;
    top: -100px; right: -100px;
    width: 400px; height: 400px;
    background: radial-gradient(circle, rgba(34,211,238,.08), transparent 70%);
    pointer-events: none;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.6fr 1fr 1fr 1fr;
    gap: 60px;
    padding-bottom: 70px;
    position: relative;
    z-index: 1;
}

/* ===== LOGO IMAGE FOOTER — logo transparent ===== */
.footer-logo {
    margin-bottom: 24px;
    display: flex;
    align-items: center;
}

.footer-logo-img {
    height: 65px;
    width: auto;
    transition: var(--transition);
    /* Le logo est déjà transparent : on garde ses couleurs.
       On ajoute juste une ombre douce pour le détacher du fond. */
    filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.4));
}

.footer-logo-img:hover {
    filter: drop-shadow(0 0 18px rgba(34, 211, 238, 0.7));
    transform: scale(1.04);
}

.footer-description {
    color: rgba(255,255,255,.55);
    max-width: 340px;
    font-size: 13.5px;
    line-height: 1.9;
    margin-bottom: 24px;
}

.footer h4 {
    font-family: var(--mono);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 3px;
    margin-bottom: 28px;
    color: var(--cyan);
    font-weight: 500;
}

.footer ul { list-style: none; }
.footer li { margin-bottom: 14px; }

.footer a {
    color: rgba(255,255,255,.6);
    font-size: 13.5px;
    transition: var(--transition-fast);
    position: relative;
    display: inline-block;
}

.footer a:hover { color: var(--cyan); transform: translateX(5px); }

/* ===== SECTION LOGOS PARTENAIRES ===== */
.footer-logos {
    padding: 50px 0 40px;
    border-top: 1px solid rgba(34,211,238,.12);
    margin-top: 20px;
    position: relative;
    z-index: 1;
}

.footer-logos h4 {
    font-family: var(--mono);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 3px;
    margin-bottom: 35px;
    color: var(--cyan);
    font-weight: 500;
    text-align: center;
}

.footer-logos-grid {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 70px;
    flex-wrap: wrap;
}

.footer-logos-grid img {
    height: 70px;
    width: auto;
    max-width: 200px;
    object-fit: contain;
    /* On garde les couleurs d'origine des logos partenaires */
    filter: drop-shadow(0 2px 8px rgba(0,0,0,.4));
    opacity: 0.9;
    transition: var(--transition);
}

.footer-logos-grid img:hover {
    opacity: 1;
    filter: drop-shadow(0 0 15px rgba(34, 211, 238, 0.6));
    transform: translateY(-5px);
}

.footer-bottom {
    padding-top: 30px;
    border-top: 1px solid rgba(34,211,238,.12);
    display: flex;
    justify-content: space-between;
    color: rgba(255,255,255,.4);
    font-family: var(--mono);
    font-size: 10.5px;
    letter-spacing: 1px;
    text-transform: uppercase;
    font-weight: 400;
    position: relative;
    z-index: 1;
}

/* =========================================================
   RESPONSIVE
========================================================= */
@media (max-width: 1100px) {
    .nav-links a { font-size: 10.5px; padding: 10px 8px; }
    .publications-grid { grid-template-columns: 1fr; gap: 50px; }
    .publications-aside { position: relative; top: 0; }
    .faculty-grid { grid-template-columns: repeat(2, 1fr); }
    .programs-grid { grid-template-columns: repeat(2, 1fr); }
    .testimonials-grid { grid-template-columns: 1fr; }
    .admission-steps { grid-template-columns: repeat(2, 1fr); }
    .admission-steps::before { display: none; }
}

@media (max-width: 1000px) {
    .intro-grid { gap: 60px; }
    .photo-frame img { height: 500px; }
    .fields-grid { grid-template-columns: repeat(2, 1fr); }
    .internships-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: repeat(2, 1fr); }
    .hero-stats { display: none; }
    .keyfigures-grid { grid-template-columns: repeat(2, 1fr); }
    .keyfigure { border-right: 0; }
    .keyfigure:nth-child(odd) { border-right: 1px solid rgba(34,211,238,.15); }
}

@media (max-width: 800px) {
    .container,
    .navbar { width: min(100% - 40px, var(--container)); }

    .nav-links,
    .nav-button { display: none; }

    .menu-toggle { display: block; }

    .navbar.mobile-open .nav-links {
        position: absolute;
        top: 90px; left: 20px; right: 20px;
        display: flex;
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
        padding: 25px;
        background: white;
        border-radius: 8px;
        box-shadow: var(--shadow);
        animation: fadeInUp .4s ease;
        max-height: 80vh;
        overflow-y: auto;
    }

    .navbar.mobile-open .nav-links li { width: 100%; }

    .navbar.mobile-open .nav-links a {
        color: var(--dark);
        font-size: 14px;
        padding: 12px 16px;
        width: 100%;
        display: block;
        border-radius: 4px;
        text-shadow: none;
    }

    .navbar.mobile-open .nav-links a:hover { background: rgba(34,211,238,.08); }

    .hero-content { margin-left: 30px; }
    .scroll-indicator { display: none; }

    .intro-grid { grid-template-columns: 1fr; }
    .photo-frame img { height: 460px; }
    .intro::before { font-size: 120px; top: 40px; }

    .footer-grid { grid-template-columns: 1fr 1fr; }
    .publication { grid-template-columns: 60px 1fr; }
    .publication-tag { grid-column: 1 / -1; margin-top: 8px; justify-self: start; }

    .programs-grid { grid-template-columns: 1fr; }
    .faculty-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-logos-grid { gap: 40px; }
    .footer-logos-grid img { height: 55px; }
}

@media (max-width: 600px) {
    .hero { min-height: 780px; background-attachment: scroll; }
    .hero-content { margin-left: 20px; margin-right: 20px; }
    .hero h1 { font-size: 46px; letter-spacing: -1.5px; }
    .hero-text { font-size: 15px; }
    .hero-buttons { flex-direction: column; align-items: flex-start; }
    .btn { width: 100%; }

    .logo-img { height: 42px; }

    .fields-grid { grid-template-columns: 1fr; }
    .faculty-grid { grid-template-columns: 1fr; }

    .keyfigures-grid { grid-template-columns: 1fr 1fr; }
    .keyfigure:nth-child(odd) { border-right: 1px solid rgba(34,211,238,.15); }
    .keyfigure b { font-size: 40px; }

    .intro-points { grid-template-columns: 1fr; }
    .admission-steps { grid-template-columns: 1fr; }

    .footer-grid { grid-template-columns: 1fr; gap: 45px; }
    .footer-bottom {
        flex-direction: column;
        gap: 12px;
        text-align: center;
    }

    .footer-logos-grid {
        flex-direction: column;
        gap: 30px;
    }
    .footer-logos-grid img { height: 55px; }

    .cta { padding: 120px 20px; background-attachment: scroll; }
    .cta-buttons { flex-direction: column; width: 100%; }
    .cta-buttons .btn { width: 100%; }

    .publications-aside { padding: 30px 24px; }
    .internship-card { padding: 30px 24px; }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: .01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: .01ms !important;
    }
}