:root {
    --ink: #172033;
    --ink-soft: #45516a;
    --muted: #6d7890;
    --line: #dfe6f2;
    --surface: #ffffff;
    --surface-alt: #f4f7fc;
    --primary: #315bd8;
    --primary-dark: #1d3eaa;
    --primary-soft: #e9efff;
    --teal: #0f9d8a;
    --teal-soft: #e6f7f3;
    --orange: #e87846;
    --orange-soft: #fff0e9;
    --navy: #152447;
    --shadow-sm: 0 8px 24px rgba(28, 50, 91, 0.06);
    --shadow-md: 0 18px 45px rgba(28, 50, 91, 0.12);
    --shadow-lg: 0 28px 70px rgba(28, 50, 91, 0.18);
    --radius-sm: 12px;
    --radius-md: 20px;
    --radius-lg: 30px;
    --transition: 180ms ease;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    margin: 0;
    min-width: 320px;
    color: var(--ink);
    background: var(--surface-alt);
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

body::selection { color: #fff; background: var(--primary); }
img { display: block; max-width: 100%; }
a { color: inherit; }
button, input { font: inherit; }

.container {
    width: min(1180px, calc(100% - 40px));
    margin: 0 auto;
}

.header {
    position: sticky;
    top: 0;
    z-index: 50;
    border-bottom: 1px solid rgba(223, 230, 242, 0.86);
    background: rgba(255, 255, 255, 0.9);
    box-shadow: 0 3px 20px rgba(28, 50, 91, 0.04);
    backdrop-filter: blur(18px);
}

.nav { background: transparent; }

.nav-container {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    min-height: 76px;
    width: min(1180px, calc(100% - 40px));
    margin: 0 auto;
}

.nav-logo h1 {
    margin: 0;
    color: var(--navy);
    font-size: 1.02rem;
    font-weight: 800;
    letter-spacing: -0.03em;
}

.nav-logo a { color: inherit; text-decoration: none; }

.nav-logo h1::before {
    content: "✦";
    display: inline-grid;
    width: 28px;
    height: 28px;
    margin-right: 9px;
    place-items: center;
    color: #fff;
    border-radius: 9px;
    background: linear-gradient(135deg, var(--primary), var(--teal));
    font-size: 0.86rem;
    vertical-align: -1px;
}

.nav-subtitle { color: var(--muted); font-size: 0.83rem; font-weight: 600; }

.nav-menu {
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.nav-link {
    position: relative;
    display: inline-flex;
    align-items: center;
    min-height: 40px;
    padding: 0 12px;
    color: var(--ink-soft);
    border-radius: 10px;
    font-size: 0.9rem;
    font-weight: 650;
    text-decoration: none;
    transition: color var(--transition), background var(--transition);
}

.nav-link:hover,
.nav-link.active { color: var(--primary-dark); background: var(--primary-soft); }
.nav-link--portal { color: var(--primary-dark); background: var(--primary-soft); }

.nav-toggle {
    display: none;
    width: 42px;
    height: 42px;
    padding: 8px;
    color: var(--ink);
    border: 1px solid var(--line);
    border-radius: 10px;
    background: var(--surface);
    cursor: pointer;
}

.nav-toggle span {
    display: block;
    height: 2px;
    margin: 5px 0;
    border-radius: 2px;
    background: currentColor;
    transition: transform var(--transition), opacity var(--transition);
}

.hero {
    position: relative;
    overflow: hidden;
    padding: 92px 0 86px;
    color: #fff;
    background:
        radial-gradient(circle at 85% 10%, rgba(95, 229, 211, 0.25), transparent 28%),
        radial-gradient(circle at 15% 20%, rgba(126, 152, 255, 0.22), transparent 26%),
        linear-gradient(135deg, #16264e 0%, #27449a 54%, #206f83 100%);
}

.hero::after {
    position: absolute;
    right: -10%;
    bottom: -55%;
    width: 620px;
    height: 620px;
    border: 1px solid rgba(255, 255, 255, 0.13);
    border-radius: 50%;
    box-shadow: 0 0 0 34px rgba(255, 255, 255, 0.03), 0 0 0 68px rgba(255, 255, 255, 0.025);
    content: "";
    pointer-events: none;
}

.hero-content { position: relative; z-index: 1; max-width: 860px; margin: 0 auto; text-align: center; }
.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1.12fr 0.88fr; align-items: center; gap: 64px; }
.hero-grid .hero-content { max-width: none; text-align: left; }

.eyebrow,
.card-eyebrow,
.section-kicker {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin: 0 0 18px;
    color: var(--primary);
    font-size: 0.75rem;
    font-weight: 800;
    letter-spacing: 0.13em;
    text-transform: uppercase;
}

.hero .eyebrow { color: #aee9e1; }
.eyebrow::before, .section-kicker::before { width: 24px; height: 2px; border-radius: 2px; background: currentColor; content: ""; }
.hero-title { max-width: 760px; margin: 0 0 20px; font-size: clamp(2.5rem, 6vw, 5rem); font-weight: 800; letter-spacing: -0.065em; line-height: 1.02; }
.hero-subtitle { max-width: 680px; margin: 0 auto 30px; color: rgba(255, 255, 255, 0.82); font-size: clamp(1.04rem, 2vw, 1.28rem); }
.hero-grid .hero-subtitle { margin-left: 0; }

.hero-buttons, .hero-actions, .button-row { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; }
.hero-content:not(.hero-grid .hero-content) .hero-buttons { justify-content: center; }

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 46px;
    padding: 0 19px;
    color: var(--ink);
    border: 1px solid transparent;
    border-radius: 12px;
    background: var(--surface);
    box-shadow: 0 8px 20px rgba(17, 33, 70, 0.12);
    font-size: 0.91rem;
    font-weight: 750;
    text-decoration: none;
    transition: transform var(--transition), box-shadow var(--transition), background var(--transition), color var(--transition);
}

.btn:hover { transform: translateY(-2px); box-shadow: 0 14px 26px rgba(17, 33, 70, 0.16); }
.btn-primary { color: #fff; background: var(--primary); }
.btn-primary:hover { background: var(--primary-dark); }
.btn-secondary { color: #fff; border-color: rgba(255, 255, 255, 0.3); background: rgba(255, 255, 255, 0.1); box-shadow: none; }
.btn-secondary:hover { background: rgba(255, 255, 255, 0.18); }
.btn-quiet { color: var(--primary-dark); border-color: var(--line); background: var(--surface); box-shadow: none; }

.hero-visual { position: relative; min-height: 315px; padding: 24px; border: 1px solid rgba(255, 255, 255, 0.2); border-radius: var(--radius-lg); background: rgba(255, 255, 255, 0.1); box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.12), 0 30px 60px rgba(7, 21, 58, 0.18); backdrop-filter: blur(16px); }
.hero-visual::before, .hero-visual::after { position: absolute; border-radius: 50%; content: ""; }
.hero-visual::before { top: 32px; right: 28px; width: 110px; height: 110px; background: rgba(94, 230, 208, 0.25); filter: blur(4px); }
.hero-visual::after { bottom: 24px; left: 22px; width: 64px; height: 64px; background: rgba(255, 181, 125, 0.32); }
.visual-window { position: relative; z-index: 1; min-height: 265px; padding: 20px; border: 1px solid rgba(255, 255, 255, 0.18); border-radius: 20px; background: rgba(8, 25, 65, 0.38); }
.window-dots { display: flex; gap: 7px; margin-bottom: 28px; }
.window-dots span { width: 8px; height: 8px; border-radius: 50%; background: rgba(255, 255, 255, 0.46); }
.visual-label { margin: 0 0 8px; color: rgba(255, 255, 255, 0.65); font-size: 0.8rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; }
.visual-title { max-width: 250px; margin: 0 0 22px; color: #fff; font-size: 1.8rem; font-weight: 780; letter-spacing: -0.04em; line-height: 1.08; }
.visual-pill-row { display: flex; flex-wrap: wrap; gap: 8px; }
.visual-pill, .badge { display: inline-flex; align-items: center; width: fit-content; min-height: 27px; padding: 0 10px; border-radius: 99px; background: rgba(255, 255, 255, 0.13); color: rgba(255, 255, 255, 0.9); font-size: 0.76rem; font-weight: 700; }

.section { padding: 88px 0; }
.section-light { background: var(--surface-alt); }
.section-white { background: var(--surface); }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 30px; margin-bottom: 34px; }
.section-heading > div { max-width: 710px; }
.section-title { margin: 0 0 10px; color: var(--navy); font-size: clamp(1.9rem, 4vw, 3rem); font-weight: 800; letter-spacing: -0.055em; line-height: 1.08; }
.section-subtitle { max-width: 710px; margin: 0; color: var(--muted); font-size: 1.04rem; }
.section-heading .section-subtitle { max-width: 560px; }

.courses-grid, .resources-grid, .features-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.course-card, .resource-card, .feature-card { position: relative; display: flex; flex-direction: column; min-width: 0; padding: 24px; overflow: hidden; color: var(--ink); border: 1px solid var(--line); border-radius: var(--radius-md); background: var(--surface); box-shadow: var(--shadow-sm); text-decoration: none; transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition); }
.course-card::after, .resource-card::after { position: absolute; right: -38px; bottom: -45px; width: 120px; height: 120px; border-radius: 50%; background: var(--primary-soft); content: ""; opacity: 0.7; transition: transform var(--transition); }
.course-card:hover, .resource-card:hover, .feature-card:hover { transform: translateY(-5px); border-color: #b7c8f4; box-shadow: var(--shadow-md); }
.course-card:hover::after, .resource-card:hover::after { transform: scale(1.35); }
.course-card--featured { border-color: #c5d1f5; background: linear-gradient(145deg, #fff 0%, #f0f4ff 100%); }
.course-card--selectable { width: 100%; cursor: pointer; }
.course-card--selectable:focus-visible { outline: 3px solid rgba(49, 91, 216, 0.35); outline-offset: 4px; }
.course-image { position: relative; z-index: 1; display: grid; min-height: 150px; margin: -24px -24px 20px; padding: 20px; place-items: center; background: linear-gradient(145deg, var(--primary-soft), #f7fbff); }
.course-image img { width: min(220px, 100%); height: 132px; object-fit: contain; }
.course-image--science { background: linear-gradient(145deg, #edf1ff 0%, #e8faf6 100%); }
.science-logo { width: min(236px, 100%); height: 132px; overflow: visible; }
.course-card-alt { display: block; margin-top: 4px; color: var(--primary-dark); font-size: 0.78rem; letter-spacing: 0; }
.course-select-hint { position: relative; z-index: 1; display: flex; align-items: center; justify-content: space-between; margin-top: 16px; color: var(--primary-dark); font-size: 0.78rem; font-weight: 800; }
.course-select-hint span { font-size: 1rem; transition: transform var(--transition); }
.course-card--selectable:hover .course-select-hint span { transform: translateX(4px); }
.course-card h3, .resource-card h3, .feature-card h3 { position: relative; z-index: 1; margin: 0 0 8px; color: var(--navy); font-size: 1.2rem; font-weight: 800; letter-spacing: -0.03em; }
.course-card p, .resource-card p, .feature-card p { position: relative; z-index: 1; margin: 0 0 18px; color: var(--muted); font-size: 0.94rem; }
.course-level, .course-features, .resource-level, .tag-row { position: relative; z-index: 1; display: flex; flex-wrap: wrap; gap: 7px; margin-top: auto; }
.course-level span, .course-features span, .resource-level span, .tag, .badge--light { display: inline-flex; align-items: center; min-height: 25px; padding: 0 9px; color: var(--primary-dark); border-radius: 99px; background: var(--primary-soft); font-size: 0.74rem; font-weight: 750; }
.course-features span { color: #087766; background: var(--teal-soft); }
.resource-icon { position: relative; z-index: 1; display: grid; width: 54px; height: 54px; margin-bottom: 20px; place-items: center; color: var(--primary-dark); border-radius: 16px; background: var(--primary-soft); font-size: 1.5rem; }
.resource-card:nth-child(2) .resource-icon { color: #a74a21; background: var(--orange-soft); }
.resource-card:nth-child(3) .resource-icon { color: #087766; background: var(--teal-soft); }
.feature-card { align-items: flex-start; }
.feature-icon { display: grid; width: 46px; height: 46px; margin-bottom: 18px; place-items: center; color: #fff; border-radius: 14px; background: linear-gradient(135deg, var(--primary), var(--teal)); font-size: 1.2rem; }

.stats-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; margin-top: 32px; }
.section-light .stats-grid { padding: 20px; border-radius: var(--radius-md); background: linear-gradient(135deg, #152447, #315bd8); }
.stat-card { padding: 18px 20px; border: 1px solid rgba(255, 255, 255, 0.16); border-radius: 16px; background: rgba(255, 255, 255, 0.08); }
.stat-value { display: block; margin-bottom: 2px; color: #fff; font-size: 1.55rem; font-weight: 800; letter-spacing: -0.05em; }
.stat-label { color: rgba(255, 255, 255, 0.67); font-size: 0.78rem; }
.portal-callout { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 24px; padding: 30px; color: #fff; border-radius: var(--radius-md); background: linear-gradient(135deg, #152447, #315bd8); box-shadow: var(--shadow-md); }
.portal-callout h3 { margin: 0 0 7px; font-size: 1.45rem; letter-spacing: -0.04em; }
.portal-callout p { max-width: 680px; margin: 0; color: rgba(255, 255, 255, 0.75); }

.footer { padding: 56px 0 24px; color: rgba(255, 255, 255, 0.72); background: #111d39; }
.footer-content { display: grid; grid-template-columns: 1fr auto; gap: 30px; align-items: start; margin-bottom: 38px; }
.footer-section h3 { margin: 0 0 9px; color: #fff; font-size: 1.1rem; }
.footer-section p { max-width: 500px; margin: 0; font-size: 0.9rem; }
.footer-links { display: flex; flex-wrap: wrap; justify-content: end; gap: 10px 18px; }
.footer-links a, .back-link { color: #c7d4fb; font-size: 0.88rem; font-weight: 650; text-decoration: none; }
.footer-links a:hover, .back-link:hover { color: #fff; }
.footer-bottom { padding-top: 18px; border-top: 1px solid rgba(255, 255, 255, 0.13); color: rgba(255, 255, 255, 0.45); font-size: 0.78rem; text-align: center; }

/* Portail scientifique protégé */
.scientific-page { background: radial-gradient(circle at 10% 0%, rgba(49, 91, 216, 0.08), transparent 32%), var(--surface-alt); }
.science-shell { padding: 58px 0 88px; }
.science-hero { display: grid; grid-template-columns: 1fr auto; gap: 32px; align-items: end; margin-bottom: 34px; }
.science-hero h1 { max-width: 760px; margin: 0 0 14px; color: var(--navy); font-size: clamp(2.15rem, 5vw, 4.35rem); letter-spacing: -0.07em; line-height: 1.02; }
.science-hero p { max-width: 720px; margin: 0; color: var(--ink-soft); font-size: 1.05rem; }
.science-actions { display: flex; flex-wrap: wrap; justify-content: end; gap: 10px; }
.science-overview-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 20px; margin-bottom: 52px; }
.science-panel { padding: 27px; border: 1px solid var(--line); border-radius: var(--radius-md); background: var(--surface); box-shadow: var(--shadow-sm); }
.science-panel h2, .science-panel h3 { margin: 0 0 10px; color: var(--navy); font-size: 1.28rem; letter-spacing: -0.04em; }
.science-panel p { margin: 0 0 14px; color: var(--muted); }
.science-panel ul, .project-body ul { margin: 0; padding-left: 1.15rem; }
.science-panel li, .project-body li { margin: 0.42rem 0; color: var(--ink-soft); }
.role-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 13px; margin-top: 20px; }
.role-card { padding: 17px; border-radius: 15px; background: var(--surface-alt); }
.role-card strong { display: block; margin-bottom: 5px; color: var(--navy); }
.role-card p { margin: 0; font-size: 0.87rem; }
.timeline { display: grid; gap: 13px; margin: 0; padding: 0; list-style: none; }
.timeline li { display: grid; grid-template-columns: 118px 1fr; gap: 12px; margin: 0; color: var(--ink-soft); }
.timeline strong { color: var(--primary-dark); font-size: 0.87rem; }
.rubric-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; margin-top: 22px; }
.rubric-card { padding: 15px; border: 1px solid var(--line); border-radius: 14px; background: var(--surface); }
.rubric-card strong { display: block; margin-bottom: 4px; color: var(--navy); font-size: 0.9rem; }
.rubric-card span { color: var(--muted); font-size: 0.79rem; }
.allocation-panel { margin-top: 20px; }
.allocation-panel > p:not(.section-kicker):not(.muted-note) { max-width: 840px; }
.allocation-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; margin-top: 22px; }
.allocation-card { padding: 16px; border: 1px solid var(--line); border-radius: 14px; background: var(--surface-alt); }
.allocation-card strong, .allocation-card span { display: block; }
.allocation-card strong { color: var(--navy); font-size: 1.25rem; letter-spacing: -0.04em; }
.allocation-card span { margin-top: 4px; color: var(--muted); font-size: 0.8rem; }
.workspace-panel { margin-top: 20px; }
.workspace-panel-head { display: flex; align-items: end; justify-content: space-between; gap: 22px; }
.workspace-panel-head > div { max-width: 760px; }
.workspace-panel-head .btn { flex: 0 0 auto; }
.workspace-stats { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; margin-top: 22px; }
.workspace-stat { padding: 16px; border: 1px solid #cbd7f7; border-radius: 14px; background: linear-gradient(145deg, #f5f7ff, #f1fbf8); }
.workspace-stat strong, .workspace-stat span { display: block; }
.workspace-stat strong { color: var(--navy); font-size: 1.35rem; letter-spacing: -0.05em; }
.workspace-stat span { margin-top: 4px; color: var(--muted); font-size: 0.78rem; }
.workspace-hint { margin-top: 16px !important; margin-bottom: 0 !important; }
.workspace-alert { margin: 20px 0 0; padding: 13px 16px; color: #176452; border: 1px solid #a8dfd1; border-radius: 12px; background: #effcf9; font-size: 0.88rem; font-weight: 700; }
.workspace-alert--error { color: #a33b2d; border-color: #f4c2b5; background: #fff1ed; }
.source-links { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px 20px; margin-top: 18px !important; padding-left: 0 !important; list-style: none; }
.source-links li { margin: 0 !important; }
.source-links a { display: block; padding: 12px 14px; color: var(--primary-dark); border: 1px solid var(--line); border-radius: 11px; background: var(--surface-alt); font-size: 0.86rem; font-weight: 700; text-decoration: none; }
.source-links a:hover { border-color: #aebff0; background: var(--primary-soft); }
.deliverables-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; margin-top: 20px; }
.deliverable-card { padding: 18px; border: 1px solid var(--line); border-radius: 15px; background: var(--surface-alt); }
.deliverable-card h3 { margin: 0 0 8px; color: var(--navy); font-size: 1rem; letter-spacing: -0.03em; }
.deliverable-card p { margin: 0 0 10px; color: var(--ink-soft); font-size: 0.84rem; }
.deliverable-card ul { margin: 0; padding-left: 1rem; }
.deliverable-card li { margin: 0.32rem 0; color: var(--muted); font-size: 0.81rem; }
.deliverable-label { color: var(--primary-dark) !important; font-size: 0.72rem !important; font-weight: 800; letter-spacing: 0.1em; text-transform: uppercase; }
.workflow-grid { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 10px; margin-top: 20px; }
.workflow-step { position: relative; padding: 16px 14px; border: 1px solid var(--line); border-radius: 14px; background: var(--surface-alt); }
.workflow-step strong { display: block; margin-bottom: 5px; color: var(--navy); font-size: 0.88rem; }
.workflow-step span { color: var(--muted); font-size: 0.78rem; }
.workflow-number { display: grid; width: 26px; height: 26px; margin-bottom: 10px; place-items: center; color: var(--primary-dark); border-radius: 8px; background: var(--primary-soft); font-size: 0.72rem; font-weight: 850; }
.project-board-head { display: flex; align-items: end; justify-content: space-between; gap: 20px; margin-bottom: 22px; }
.project-board-head h2 { margin: 0 0 7px; color: var(--navy); font-size: clamp(1.8rem, 4vw, 2.7rem); letter-spacing: -0.055em; }
.project-board-head p { max-width: 660px; margin: 0; color: var(--muted); }
.project-tools { display: flex; align-items: center; gap: 10px; margin-bottom: 20px; }
.project-search { width: min(100%, 360px); min-height: 44px; padding: 0 14px; color: var(--ink); border: 1px solid var(--line); border-radius: 11px; outline: none; background: var(--surface); }
.project-search:focus { border-color: #9db3f5; box-shadow: 0 0 0 4px rgba(49, 91, 216, 0.12); }
.project-count { color: var(--muted); font-size: 0.83rem; font-weight: 700; }
.project-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.project-card { overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius-md); background: var(--surface); box-shadow: var(--shadow-sm); transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition); }
.project-card[open] { border-color: #b9c9f1; box-shadow: var(--shadow-md); }
.project-card summary { position: relative; display: grid; grid-template-columns: auto 1fr auto; gap: 13px; align-items: start; padding: 21px 22px; cursor: pointer; list-style: none; }
.project-card summary::-webkit-details-marker { display: none; }
.project-card summary::after { display: grid; width: 28px; height: 28px; place-items: center; color: var(--primary); border-radius: 50%; background: var(--primary-soft); content: "+"; font-size: 1.2rem; font-weight: 500; transition: transform var(--transition); }
.project-card[open] summary::after { transform: rotate(45deg); }
.project-number { display: grid; width: 32px; height: 32px; place-items: center; color: var(--primary-dark); border-radius: 10px; background: var(--primary-soft); font-size: 0.78rem; font-weight: 850; }
.project-card h3 { margin: 0 0 5px; color: var(--navy); font-size: 1.03rem; line-height: 1.25; }
.project-meta { margin: 0; color: var(--muted); font-size: 0.8rem; }
.project-body { display: grid; grid-template-columns: 1fr 1fr; gap: 15px; padding: 0 22px 23px 67px; }
.project-body section { min-width: 0; padding: 16px; border-radius: 14px; background: var(--surface-alt); }
.project-body section:first-child { background: var(--primary-soft); }
.project-body h4 { margin: 0 0 8px; color: var(--navy); font-size: 0.84rem; text-transform: uppercase; letter-spacing: 0.08em; }
.project-body ul { padding-left: 1rem; }
.project-body li { margin: 0.35rem 0; font-size: 0.84rem; }
.project-plan { display: grid; grid-column: 1 / -1; gap: 12px; padding: 16px; border: 1px solid #cbd7f7; border-radius: 15px; background: linear-gradient(145deg, #f5f7ff, #f1fbf8); }
.project-plan-question { padding: 2px 2px 8px; }
.project-plan-question p:last-child { margin: 0; color: var(--navy); font-size: 0.94rem; font-weight: 650; line-height: 1.5; }
.plan-label { margin: 0 0 7px !important; color: var(--primary-dark) !important; font-size: 0.7rem !important; font-weight: 850; letter-spacing: 0.1em; text-transform: uppercase; }
.project-plan-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.plan-card { min-width: 0; padding: 15px; border: 1px solid rgba(191, 207, 244, 0.85); border-radius: 12px; background: rgba(255, 255, 255, 0.78); }
.plan-card--m1 { border-top: 3px solid #315bd8; }
.plan-card--m2 { border-top: 3px solid #0d9b83; }
.plan-card--common { border-top: 3px solid #f4b860; }
.plan-card--evidence { border-top: 3px solid #f15a29; }
.plan-card p:not(.plan-label) { margin: 0; color: var(--ink-soft); font-size: 0.83rem; line-height: 1.5; }
.plan-card ul { margin: 0; padding-left: 1rem; }
.plan-card li { margin: 0.3rem 0; color: var(--ink-soft); font-size: 0.8rem; }
.project-protocol { display: grid; grid-column: 1 / -1; gap: 13px; padding: 17px; border: 1px solid #d8e0f2; border-radius: 15px; background: #f8faff; }
.project-protocol-head { display: flex; align-items: start; justify-content: space-between; gap: 16px; }
.project-protocol-head h4 { margin-bottom: 0; }
.project-protocol-head > span { color: var(--muted); font-size: 0.73rem; text-align: right; }
.protocol-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
.protocol-card { min-width: 0; padding: 14px; border: 1px solid rgba(191, 207, 244, 0.85); border-top-width: 3px; border-radius: 12px; background: #fff; }
.protocol-card--m1 { border-top-color: #315bd8; }
.protocol-card--m2 { border-top-color: #0d9b83; }
.protocol-card--common { border-top-color: #f4b860; }
.protocol-card--metrics { border-top-color: #8d68d8; }
.protocol-card--deliverables { border-top-color: #f15a29; }
.protocol-card ul { margin: 0; padding-left: 1rem; }
.protocol-card li { margin: 0.34rem 0; color: var(--ink-soft); font-size: 0.79rem; line-height: 1.42; }
.project-description { grid-column: 1 / -1; margin: 0; color: var(--ink-soft); font-size: 0.9rem; }
.project-references { grid-column: 1 / -1; margin: 0; color: var(--muted); font-size: 0.8rem; }
.project-references a { color: var(--primary-dark); font-weight: 700; }
.project-source { grid-column: 1 / -1; margin: 0; font-size: 0.8rem; }
.project-source a { color: var(--primary-dark); font-weight: 800; text-decoration: none; }
.project-source a:hover { text-decoration: underline; }
.project-tracking { display: grid; grid-column: 1 / -1; gap: 15px; padding: 17px; border: 1px solid #cbd7f7; border-radius: 15px; background: #fbfcff; }
.project-tracking-head { display: flex; align-items: start; justify-content: space-between; gap: 16px; }
.project-tracking-head h4 { margin-bottom: 0; }
.tracking-updated { color: var(--muted); font-size: 0.73rem; text-align: right; }
.tracking-fields { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.tracking-fields label { display: grid; gap: 6px; color: var(--ink-soft); font-size: 0.76rem; font-weight: 800; }
.tracking-fields input, .tracking-fields select, .tracking-fields textarea { width: 100%; padding: 10px 11px; color: var(--ink); border: 1px solid var(--line); border-radius: 9px; outline: none; background: #fff; font: inherit; font-size: 0.82rem; font-weight: 500; }
.tracking-fields input, .tracking-fields select { min-height: 42px; }
.tracking-fields textarea { min-height: 82px; resize: vertical; }
.tracking-fields input:focus, .tracking-fields select:focus, .tracking-fields textarea:focus { border-color: #9db3f5; box-shadow: 0 0 0 3px rgba(49, 91, 216, 0.11); }
.tracking-wide { grid-column: 1 / -1; }
.tracking-checklist { display: grid; grid-column: 1 / -1; gap: 13px; padding: 14px; border: 1px solid #d8e0f2; border-radius: 12px; background: #fff; }
.tracking-checklist-head { display: flex; align-items: start; justify-content: space-between; gap: 15px; }
.tracking-checklist-head p:not(.plan-label) { margin: 0; color: var(--muted); font-size: 0.77rem; }
.tracking-checklist-head strong { color: var(--primary-dark); font-size: 1.1rem; }
.checklist-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.checklist-column { min-width: 0; padding: 12px; border-radius: 10px; background: var(--surface-alt); }
.checklist-column h5 { margin: 0 0 8px; color: var(--navy); font-size: 0.77rem; letter-spacing: 0.04em; text-transform: uppercase; }
.checklist-item { display: flex; align-items: start; gap: 8px; margin: 8px 0; color: var(--ink-soft); font-size: 0.75rem; font-weight: 500; line-height: 1.4; }
.checklist-item input[type="checkbox"] { width: 16px; min-width: 16px; height: 16px; margin: 1px 0 0; padding: 0; accent-color: var(--primary); }
.checklist-item span { flex: 1; }
.tracking-footer { display: flex; align-items: center; justify-content: space-between; gap: 14px; }
.tracking-footer > span { color: var(--muted); font-size: 0.74rem; }
.tracking-actions { display: flex; flex-wrap: wrap; justify-content: end; gap: 8px; }
.tracking-footer .btn { min-height: 38px; padding: 9px 13px; font-size: 0.78rem; }

.locked-card { width: min(520px, 100%); margin: 36px auto 90px; padding: 34px; border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--surface); box-shadow: var(--shadow-md); text-align: center; }
.lock-icon { display: grid; width: 64px; height: 64px; margin: 0 auto 20px; place-items: center; color: var(--primary-dark); border-radius: 20px; background: var(--primary-soft); font-size: 1.6rem; }
.lock-icon .science-logo--compact { width: 54px; height: 54px; }
.modal-open { overflow: hidden; }
.course-modal[hidden] { display: none; }
.course-modal { position: fixed; inset: 0; z-index: 200; display: grid; place-items: center; padding: 20px; }
.course-modal-backdrop { position: absolute; inset: 0; background: rgba(18, 31, 67, 0.58); backdrop-filter: blur(8px); }
.course-modal-dialog { position: relative; width: min(520px, 100%); padding: 32px; border: 1px solid rgba(255, 255, 255, 0.55); border-radius: var(--radius-lg); background: var(--surface); box-shadow: 0 24px 80px rgba(16, 34, 83, 0.26); }
.course-modal-dialog h2 { margin: 0 0 8px; color: var(--navy); font-size: clamp(1.55rem, 4vw, 2.1rem); letter-spacing: -0.05em; }
.course-modal-dialog > p:not(.section-kicker) { margin: 0 0 22px; color: var(--muted); }
.course-modal-close { position: absolute; top: 14px; right: 14px; display: grid; width: 36px; height: 36px; place-items: center; color: var(--muted); border: 0; border-radius: 50%; background: var(--surface-alt); cursor: pointer; font-size: 1.45rem; line-height: 1; }
.course-modal-close:hover, .course-modal-close:focus-visible { color: var(--navy); background: var(--primary-soft); }
.course-language-options { display: grid; gap: 10px; }
.course-language-option { display: grid; grid-template-columns: auto 1fr auto; gap: 13px; align-items: center; padding: 14px; color: var(--ink); border: 1px solid var(--line); border-radius: 14px; background: var(--surface-alt); text-decoration: none; transition: transform var(--transition), border-color var(--transition), background var(--transition); }
.course-language-option:hover, .course-language-option:focus-visible { transform: translateY(-2px); border-color: #aebff0; background: var(--primary-soft); }
.course-language-code { display: grid; width: 42px; height: 42px; place-items: center; color: #fff; border-radius: 12px; background: linear-gradient(135deg, var(--primary), #0d9b83); font-size: 0.75rem; font-weight: 850; }
.course-language-option strong, .course-language-option small { display: block; }
.course-language-option strong { color: var(--navy); font-size: 0.95rem; }
.course-language-option small { margin-top: 2px; color: var(--muted); font-size: 0.77rem; }
.course-language-arrow { color: var(--primary-dark); font-size: 1.15rem; font-weight: 800; }
.locked-card h1 { margin: 0 0 10px; color: var(--navy); font-size: 1.85rem; letter-spacing: -0.05em; }
.locked-card p { margin: 0 0 24px; color: var(--muted); }
.access-form { display: grid; gap: 12px; text-align: left; }
.access-form label { color: var(--ink-soft); font-size: 0.82rem; font-weight: 750; }
.pin-input { width: 100%; min-height: 54px; padding: 0 16px; color: var(--navy); border: 1px solid var(--line); border-radius: 12px; outline: none; background: var(--surface-alt); font-size: 1.4rem; font-weight: 800; letter-spacing: 0.35em; text-align: center; }
.pin-input:focus { border-color: #9db3f5; box-shadow: 0 0 0 4px rgba(49, 91, 216, 0.12); }
.form-error { margin: 0; padding: 11px 13px; color: #a33b2d; border: 1px solid #f4c2b5; border-radius: 10px; background: #fff1ed; font-size: 0.85rem; }
.muted-note { color: var(--muted); font-size: 0.79rem; }
.no-results { grid-column: 1 / -1; padding: 28px; color: var(--muted); border: 1px dashed #bdc9df; border-radius: var(--radius-md); background: var(--surface); text-align: center; }
.skip-link { position: absolute; top: -50px; left: 15px; z-index: 100; padding: 10px 14px; color: #fff; border-radius: 9px; background: var(--navy); }
.skip-link:focus { top: 15px; }

.will-animate { opacity: 0; transform: translateY(12px); transition: opacity 450ms ease, transform 450ms ease; }
.will-animate.is-visible { opacity: 1; transform: translateY(0); }

@media (max-width: 940px) {
    .hero-grid, .science-overview-grid { grid-template-columns: 1fr; }
    .hero-grid { gap: 38px; }
    .hero-visual { width: min(100%, 560px); margin: 0 auto; }
    .courses-grid, .resources-grid, .features-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .deliverables-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .workflow-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .rubric-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .workspace-stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 700px) {
    .container, .nav-container { width: min(100% - 28px, 1180px); }
    .nav-container { min-height: 66px; }
    .nav-subtitle { display: none; }
    .nav-toggle { display: block; }
    .nav-menu { position: absolute; top: calc(100% + 8px); right: 0; left: 0; display: none; flex-direction: column; align-items: stretch; padding: 9px; border: 1px solid var(--line); border-radius: 15px; background: var(--surface); box-shadow: var(--shadow-md); }
    .nav-menu.active { display: flex; }
    .nav-link { justify-content: center; }
    .hero { padding: 66px 0 58px; }
    .hero-title { font-size: clamp(2.35rem, 13vw, 4rem); }
    .hero-grid .hero-content { text-align: center; }
    .hero-grid .hero-subtitle { margin-right: auto; margin-left: auto; }
    .hero-grid .hero-buttons { justify-content: center; }
    .section, .science-shell { padding: 58px 0; }
    .section-heading, .science-hero, .project-board-head, .portal-callout, .footer-content { display: block; }
    .section-heading > .btn, .science-actions { margin-top: 18px; justify-content: start; }
    .courses-grid, .resources-grid, .features-grid, .project-grid { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .portal-callout { padding: 24px; }
    .portal-callout .btn { margin-top: 18px; }
    .footer-links { justify-content: start; margin-top: 20px; }
    .role-grid, .rubric-grid, .source-links, .deliverables-grid, .workflow-grid, .project-body, .project-plan-grid, .protocol-grid, .checklist-grid, .allocation-grid, .workspace-stats, .tracking-fields { grid-template-columns: 1fr; }
    .project-body { padding-left: 22px; }
    .timeline li { grid-template-columns: 1fr; gap: 2px; }
    .locked-card { margin-top: 20px; padding: 25px 20px; }
    .course-modal-dialog { padding: 26px 20px 22px; }
    .workspace-panel-head, .project-protocol-head, .project-tracking-head, .tracking-checklist-head, .tracking-footer { display: block; }
    .workspace-panel-head .btn, .tracking-footer .btn { margin-top: 15px; }
    .tracking-updated { display: block; margin-top: 8px; text-align: left; }
    .project-protocol-head > span { display: block; margin-top: 8px; text-align: left; }
    .tracking-actions { justify-content: start; margin-top: 15px; }
}

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