/* =====================================================================
   Predev — Landing page styles
   Design system mirrors CodNesta Group (navy / gold / cyan, Space Grotesk).
   Self-contained. No framework.
   ===================================================================== */

:root {
    --primary-blue: #0A3857;
    --dark-navy: #06273C;
    --ink: #051422;
    --ink-2: #081d31;
    --accent-gold: #FFC107;
    --accent-gold-soft: #FFD75E;
    --accent-cyan: #38BDF8;
    --accent-cyan-deep: #0EA5E9;
    --light-bg: #F6F7F9;
    --text-dark: #06273C;
    --muted: #667085;
    --font-display: 'Space Grotesk', system-ui, sans-serif;
    --font-body: 'Poppins', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
    --grad-gold: linear-gradient(120deg, #FFC107 0%, #FF9800 100%);
    --grad-brand: linear-gradient(120deg, #0A3857 0%, #0EA5E9 100%);
    --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
    --shadow-md: 0 10px 28px rgba(8,28,70,0.08);
    --shadow-lg: 0 24px 60px rgba(8,28,70,0.16);
    --radius: 16px;
    --header-h: 74px;
}

*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { scroll-behavior: smooth; }
body {
    font-family: var(--font-body);
    color: var(--text-dark);
    background: var(--light-bg);
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: color .2s ease; }
h1, h2, h3, h4 { font-family: var(--font-display); letter-spacing: -0.02em; line-height: 1.15; color: var(--primary-blue); }

.container { width: 100%; max-width: 1140px; margin: 0 auto; padding: 0 1.25rem; }
.container--narrow { max-width: 820px; }

/* ---------- Scroll progress ---------- */
.scroll-progress {
    position: fixed; top: 0; left: 0; height: 3px; width: 0;
    background: linear-gradient(90deg, var(--accent-cyan), var(--accent-gold));
    box-shadow: 0 0 12px rgba(56,189,248,.6); z-index: 2000; transition: width .08s linear;
}

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex; align-items: center; gap: .5rem;
    font-family: var(--font-display); font-weight: 600; font-size: .95rem;
    padding: .7rem 1.4rem; border-radius: .65rem; border: 1px solid transparent;
    cursor: pointer; transition: transform .25s var(--ease-spring), box-shadow .25s ease, background .25s ease;
    white-space: nowrap;
}
.btn-sm { padding: .5rem 1.1rem; font-size: .88rem; }
.btn-lg { padding: .85rem 1.8rem; font-size: 1rem; }
.btn-block { width: 100%; justify-content: center; margin-top: .5rem; }
.btn-primary { background: var(--grad-gold); color: var(--dark-navy); box-shadow: 0 10px 30px rgba(255,193,7,.28); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 16px 44px rgba(255,193,7,.4); }
.btn-ghost { background: rgba(255,255,255,.08); color: #fff; border-color: rgba(255,255,255,.28); backdrop-filter: blur(6px); }
.btn-ghost:hover { transform: translateY(-2px); border-color: var(--accent-cyan); box-shadow: 0 0 0 1px rgba(56,189,248,.4), 0 12px 34px rgba(14,165,233,.3); }

/* ---------- Eyebrow ---------- */
.eyebrow {
    display: inline-flex; align-items: center; gap: .5rem;
    font-family: var(--font-display); font-size: .72rem; font-weight: 600;
    letter-spacing: .16em; text-transform: uppercase;
    color: var(--accent-cyan-deep); background: rgba(56,189,248,.10);
    border: 1px solid rgba(56,189,248,.22); padding: .4rem .9rem; border-radius: 100px; margin-bottom: 1rem;
}
.eyebrow::before { content:''; width:7px; height:7px; border-radius:50%; background: var(--accent-cyan); box-shadow: 0 0 10px var(--accent-cyan); animation: pulse 2s ease-in-out infinite; }
.eyebrow--light { color:#cdeffd; background: rgba(56,189,248,.14); border-color: rgba(255,255,255,.18); }
.eyebrow--gold { color:#b97e00; background: rgba(255,193,7,.14); border-color: rgba(255,193,7,.3); }
.eyebrow--gold::before { background: var(--accent-gold); box-shadow: 0 0 10px var(--accent-gold); }
@keyframes pulse { 0%,100%{ transform:scale(1); opacity:1 } 50%{ transform:scale(1.5); opacity:.6 } }

.text-gradient {
    background: linear-gradient(110deg, var(--accent-gold) 0%, var(--accent-gold-soft) 40%, var(--accent-cyan) 100%);
    -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; color: transparent;
}

/* ---------- Orbs ---------- */
.orb { position: absolute; border-radius: 50%; filter: blur(70px); pointer-events: none; z-index: 0; }
.orb--cyan { width: 360px; height: 360px; background: radial-gradient(circle, rgba(56,189,248,.4), transparent 70%); top: -80px; right: 6%; animation: float1 16s ease-in-out infinite; }
.orb--gold { width: 300px; height: 300px; background: radial-gradient(circle, rgba(255,193,7,.28), transparent 70%); bottom: -90px; left: 3%; animation: float2 20s ease-in-out infinite; }
.orb--soft { opacity: .5; }
@keyframes float1 { 0%,100%{ transform: translate(0,0) scale(1) } 50%{ transform: translate(50px,40px) scale(1.12) } }
@keyframes float2 { 0%,100%{ transform: translate(0,0) scale(1) } 50%{ transform: translate(-40px,-30px) scale(1.1) } }

/* ---------- Nav ---------- */
.nav {
    position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
    background: rgba(255,255,255,.82); backdrop-filter: blur(14px) saturate(140%);
    border-bottom: 1px solid rgba(10,56,87,.07);
}
.nav__inner { display: flex; align-items: center; justify-content: space-between; height: var(--header-h); }
.brand { display: inline-flex; align-items: center; gap: .6rem; font-family: var(--font-display); font-weight: 700; font-size: 1.3rem; color: var(--primary-blue); }
.brand__mark { display: inline-grid; place-items: center; width: 38px; height: 38px; border-radius: 10px; background: var(--grad-brand); color: #fff; font-size: .8rem; font-weight: 700; box-shadow: 0 6px 18px rgba(14,165,233,.35); }
.brand__accent { color: var(--accent-gold); }
.brand--light, .brand--light .brand__text { color: #fff; }
.nav__links { display: flex; align-items: center; gap: 1.6rem; }
.nav__links a { font-weight: 500; color: var(--dark-navy); position: relative; }
.nav__links a:not(.btn)::after { content:''; position:absolute; left:0; right:0; bottom:-6px; height:2px; background: linear-gradient(90deg,var(--accent-gold),var(--accent-cyan)); transform: scaleX(0); transform-origin:left; transition: transform .28s var(--ease-spring); }
.nav__links a:not(.btn):hover::after { transform: scaleX(1); }
.nav__toggle { display: none; width: 46px; height: 46px; border: none; border-radius: 12px; background: #fff; box-shadow: var(--shadow-md); color: var(--primary-blue); font-size: 1.1rem; cursor: pointer; }

/* ---------- Hero ---------- */
.hero {
    position: relative; overflow: hidden; color: #fff;
    padding: calc(var(--header-h) + 4.5rem) 0 5rem;
    background:
        radial-gradient(1000px 500px at 82% -10%, rgba(56,189,248,.18), transparent 60%),
        linear-gradient(135deg, var(--ink) 0%, var(--ink-2) 100%);
}
.hero__grid { position: absolute; inset: 0; background-image: radial-gradient(rgba(255,255,255,.06) 1px, transparent 1px); background-size: 30px 30px; -webkit-mask-image: linear-gradient(180deg,#000,transparent 85%); mask-image: linear-gradient(180deg,#000,transparent 85%); }
.hero__inner { position: relative; z-index: 2; display: grid; grid-template-columns: 1.15fr .85fr; gap: 3rem; align-items: center; }
.hero h1 { color: #fff; font-size: clamp(2rem, 5vw, 3.3rem); }
.hero .lead { color: rgba(255,255,255,.82); font-size: 1.1rem; margin: 1.25rem 0 2rem; max-width: 34rem; }
.hero__cta { display: flex; flex-wrap: wrap; gap: 1rem; }
.hero__stats { display: flex; flex-wrap: wrap; gap: 1.75rem; margin-top: 2.5rem; padding-top: 1.75rem; border-top: 1px solid rgba(255,255,255,.12); }
.hero__stats .num { display: block; font-family: var(--font-display); font-size: 1.5rem; font-weight: 700; color: #fff; }
.hero__stats .lbl { font-size: .8rem; color: rgba(255,255,255,.6); }

/* Glass card */
.glass { background: linear-gradient(160deg, rgba(255,255,255,.10), rgba(255,255,255,.03)); border: 1px solid rgba(255,255,255,.16); box-shadow: 0 30px 70px rgba(0,0,0,.4), inset 0 1px 0 rgba(255,255,255,.18); backdrop-filter: blur(16px); border-radius: var(--radius); padding: 1.75rem; }
.glass__row { display: flex; gap: 1rem; align-items: flex-start; }
.glass__row i { color: var(--accent-gold); font-size: 1.3rem; margin-top: .2rem; }
.glass__row h4 { color: #fff; font-size: 1.02rem; margin-bottom: .2rem; }
.glass__row p { color: rgba(255,255,255,.75); font-size: .9rem; }
.glass__divider { height: 1px; background: linear-gradient(90deg, transparent, rgba(255,255,255,.2), transparent); margin: 1.1rem 0; }

/* ---------- Sections ---------- */
.section { position: relative; padding: 5rem 0; overflow: hidden; }
.section--alt { background: linear-gradient(135deg, #F6F7F9 0%, #FAFBFC 100%); }
.section--dark { background: linear-gradient(135deg, var(--dark-navy), var(--ink)); color: #fff; }
.section--dark h2, .section--dark h4 { color: #fff; }
.section__head { max-width: 44rem; margin-bottom: 2.75rem; }
.section__head h2 { font-size: clamp(1.6rem, 3.5vw, 2.2rem); position: relative; padding-bottom: .6rem; }
.section__head h2::after { content:''; position:absolute; left:0; bottom:0; width: 64px; height: 3px; border-radius: 2px; background: linear-gradient(90deg, var(--accent-gold), var(--accent-cyan)); }
.section__sub { color: var(--muted); margin-top: .9rem; font-size: 1.02rem; }
.section--dark .section__sub { color: rgba(255,255,255,.7); }

/* ---------- Grids & cards ---------- */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.card { background: #fff; border: 1px solid rgba(10,56,87,.06); border-radius: var(--radius); padding: 1.9rem 1.6rem; box-shadow: var(--shadow-md); transition: transform .3s var(--ease-spring), box-shadow .3s ease, border-color .3s ease; }
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: rgba(56,189,248,.25); }
.card__icon { width: 56px; height: 56px; border-radius: 14px; display: grid; place-items: center; font-size: 1.4rem; color: #fff; background: var(--grad-brand); margin-bottom: 1.1rem; }
.card__icon.gold { background: var(--grad-gold); color: var(--dark-navy); }
.card h3 { font-size: 1.15rem; margin-bottom: .5rem; }
.card p { color: var(--muted); font-size: .95rem; }

.pill-card { display: flex; gap: .9rem; align-items: flex-start; background: #fff; border: 1px solid rgba(10,56,87,.07); border-left: 4px solid var(--accent-gold); border-radius: 12px; padding: 1.3rem 1.4rem; box-shadow: var(--shadow-md); }
.pill-card i { color: var(--accent-cyan-deep); font-size: 1.3rem; margin-top: .15rem; }
.pill-card span { font-size: .96rem; color: var(--text-dark); }

/* ---------- Tracks ---------- */
.track { background: #fff; border: 1px solid rgba(10,56,87,.08); border-radius: var(--radius); padding: 2rem 1.7rem; box-shadow: var(--shadow-md); transition: transform .3s var(--ease-spring), box-shadow .3s ease; }
.track:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.track--featured { border: 1px solid transparent; background: linear-gradient(#fff,#fff) padding-box, var(--grad-brand) border-box; }
.track__badge { display: inline-block; font-family: var(--font-display); font-size: .72rem; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; color: var(--accent-cyan-deep); background: rgba(56,189,248,.1); padding: .3rem .7rem; border-radius: 100px; margin-bottom: .9rem; }
.track h3 { font-size: 1.2rem; margin-bottom: .5rem; }
.track > p { color: var(--muted); font-size: .95rem; margin-bottom: 1rem; }
.track ul { list-style: none; padding: 0; }
.track li { position: relative; padding-left: 1.5rem; margin-bottom: .5rem; font-size: .92rem; color: var(--text-dark); }
.track li::before { content: '\f00c'; font-family: 'Font Awesome 6 Free'; font-weight: 900; position: absolute; left: 0; color: var(--accent-cyan-deep); font-size: .8rem; }

/* ---------- Steps ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }
.step { position: relative; padding: 1.6rem; background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.12); border-radius: var(--radius); }
.step__no { width: 44px; height: 44px; border-radius: 12px; background: var(--grad-gold); color: var(--dark-navy); font-family: var(--font-display); font-weight: 700; font-size: 1.2rem; display: grid; place-items: center; margin-bottom: 1rem; }
.step h4 { color: #fff; font-size: 1.05rem; margin-bottom: .35rem; }
.step p { color: rgba(255,255,255,.7); font-size: .9rem; }

/* ---------- Apply / form ---------- */
.apply { display: grid; grid-template-columns: .9fr 1.1fr; gap: 2.5rem; align-items: start; }
.apply__intro { position: sticky; top: calc(var(--header-h) + 1.5rem); }
.apply__points { list-style: none; padding: 0; margin-top: 1.4rem; }
.apply__points li { display: flex; align-items: center; gap: .6rem; margin-bottom: .7rem; font-size: .98rem; }
.apply__points i { color: #16a34a; }
.apply__form { background: linear-gradient(160deg, #fff, #f7fafc); border: 1px solid rgba(10,56,87,.08); box-shadow: var(--shadow-lg); backdrop-filter: none; }
.field { margin-bottom: 1.1rem; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
label { display: block; font-size: .9rem; font-weight: 500; margin-bottom: .4rem; color: var(--text-dark); }
input, select, textarea {
    width: 100%; font-family: var(--font-body); font-size: .95rem;
    padding: .7rem .9rem; border: 1.5px solid rgba(10,56,87,.14); border-radius: 10px;
    background: #fff; color: var(--text-dark); transition: border-color .25s ease, box-shadow .25s ease;
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--accent-cyan-deep); box-shadow: 0 0 0 3px rgba(56,189,248,.14); }
textarea { resize: vertical; }
.consent { display: flex; gap: .6rem; align-items: flex-start; font-size: .88rem; font-weight: 400; color: var(--muted); margin: .5rem 0 1rem; }
.consent input { width: auto; margin-top: .2rem; }
.form-note { margin-top: .9rem; padding: .8rem 1rem; border-radius: 10px; font-size: .92rem; font-weight: 500; }
.form-note.ok { background: rgba(22,163,74,.1); color: #15803d; border: 1px solid rgba(22,163,74,.25); }
.form-note.err { background: rgba(220,38,38,.08); color: #b91c1c; border: 1px solid rgba(220,38,38,.25); }
.form-fineprint { margin-top: .8rem; font-size: .78rem; color: var(--muted); text-align: center; }

/* ---------- FAQ ---------- */
.faq details { background: #fff; border: 1px solid rgba(10,56,87,.08); border-radius: 12px; padding: 1rem 1.3rem; margin-bottom: .8rem; box-shadow: var(--shadow-md); }
.faq summary { font-family: var(--font-display); font-weight: 600; color: var(--primary-blue); cursor: pointer; list-style: none; display: flex; justify-content: space-between; align-items: center; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: '\2b'; color: var(--accent-cyan-deep); font-weight: 700; margin-left: 1rem; transition: transform .25s ease; }
.faq details[open] summary::after { content: '\2212'; }
.faq details p { color: var(--muted); font-size: .95rem; margin-top: .7rem; }

/* ---------- Footer ---------- */
.footer { background: linear-gradient(180deg, var(--ink-2), var(--ink)); color: #fff; border-top: 1px solid rgba(56,189,248,.18); padding: 3rem 0 0; }
.footer__inner { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 2rem; padding-bottom: 2.5rem; }
.footer__tag { color: rgba(255,255,255,.65); font-size: .9rem; margin-top: 1rem; }
.footer__links { display: flex; flex-direction: column; gap: .6rem; }
.footer__links a, .footer__contact a { color: rgba(255,255,255,.8); font-size: .92rem; }
.footer__links a:hover, .footer__contact a:hover { color: var(--accent-gold); }
.footer__contact p { color: rgba(255,255,255,.8); font-size: .92rem; margin-bottom: .5rem; }
.footer__contact i { color: var(--accent-cyan); width: 18px; }
.footer__bar { border-top: 1px solid rgba(255,255,255,.1); padding: 1.2rem 0; text-align: center; }
.footer__bar small { color: rgba(255,255,255,.55); }

/* ---------- Back to top ---------- */
.to-top { position: fixed; bottom: 24px; right: 24px; width: 46px; height: 46px; border: none; border-radius: 13px; background: var(--grad-brand); color: #fff; font-size: 1rem; cursor: pointer; box-shadow: 0 14px 34px rgba(10,56,87,.32); opacity: 0; visibility: hidden; transform: translateY(16px); transition: all .35s var(--ease-spring); z-index: 900; }
.to-top.show { opacity: 1; visibility: visible; transform: translateY(0); }
.to-top:hover { transform: translateY(-4px); }

/* ---------- Reveal on scroll ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s var(--ease-spring); }
.reveal.in { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
    .hero__inner { grid-template-columns: 1fr; gap: 2.5rem; }
    .apply { grid-template-columns: 1fr; }
    .apply__intro { position: static; }
    .grid-3 { grid-template-columns: 1fr 1fr; }
    .steps { grid-template-columns: 1fr 1fr; }
    .footer__inner { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
    .nav__links { position: fixed; top: var(--header-h); left: 0; right: 0; flex-direction: column; align-items: stretch; gap: .25rem; background: #fff; padding: 1rem 1.25rem 1.4rem; box-shadow: var(--shadow-lg); transform: translateY(-140%); transition: transform .35s var(--ease-spring); }
    .nav__links.open { transform: translateY(0); }
    .nav__links a { padding: .8rem 1rem; border-radius: 10px; }
    .nav__links a:not(.btn):hover { background: rgba(255,193,7,.1); }
    .nav__links .btn { justify-content: center; margin-top: .35rem; }
    .nav__toggle { display: grid; place-items: center; }
    .section { padding: 3.25rem 0; }
    .hero { padding: calc(var(--header-h) + 2.5rem) 0 3rem; }
    .grid-3, .steps, .field-row, .footer__inner { grid-template-columns: 1fr; }
    .hero__stats { gap: 1.25rem 1.75rem; }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
    .orb, .eyebrow::before { animation: none !important; }
    .reveal { opacity: 1; transform: none; transition: none; }
    html { scroll-behavior: auto; }
}

/* ---------- Flash toasts (server messages) ---------- */
.flash-stack { position: fixed; top: calc(var(--header-h) + 12px); left: 50%; transform: translateX(-50%); z-index: 1900; display: flex; flex-direction: column; gap: .6rem; width: auto; max-width: 92%; }
.flash-toast { display: flex; align-items: center; gap: .7rem; padding: .85rem 1.1rem; border-radius: 12px; background: #fff; box-shadow: var(--shadow-lg); font-size: .92rem; font-weight: 500; color: var(--text-dark); animation: toastIn .4s var(--ease-spring) both; transition: opacity .3s ease, transform .3s ease; }
.flash-toast i { font-size: 1.1rem; }
.flash-toast span { flex: 1; }
.flash-toast--success { border-left: 4px solid #16a34a; } .flash-toast--success i { color: #16a34a; }
.flash-toast--error { border-left: 4px solid #dc2626; } .flash-toast--error i { color: #dc2626; }
.flash-close { border: none; background: none; font-size: 1.25rem; line-height: 1; color: var(--muted); cursor: pointer; }
.flash-close:hover { color: var(--text-dark); }
@keyframes toastIn { from { opacity: 0; transform: translateY(-14px); } to { opacity: 1; transform: translateY(0); } }

/* ---------- Expanded application form ---------- */
.form-section { font-family: var(--font-display); font-size: .8rem; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; color: var(--accent-cyan-deep); margin: 1.6rem 0 .9rem; padding-bottom: .4rem; border-bottom: 1px solid rgba(10,56,87,.1); }
.form-section:first-child { margin-top: 0; }
.field-row--3 { grid-template-columns: 1fr 1fr 1fr; }
.check-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: .5rem; }
.check-chip { display: flex; align-items: center; gap: .5rem; font-weight: 400; font-size: .9rem; margin: 0; padding: .55rem .7rem; border: 1.5px solid rgba(10,56,87,.14); border-radius: 10px; cursor: pointer; transition: border-color .2s ease, background .2s ease; }
.check-chip:hover { border-color: var(--accent-cyan-deep); }
.check-chip input { width: auto; margin: 0; accent-color: var(--accent-cyan-deep); }
.check-chip:has(input:checked) { border-color: var(--accent-cyan-deep); background: rgba(56,189,248,.08); }
@media (max-width: 640px) { .field-row--3 { grid-template-columns: 1fr; } }

/* ---------- Admin login ---------- */
body.admin-auth { min-height: 100vh; display: grid; place-items: center; padding: 1.5rem; background: radial-gradient(1000px 500px at 80% -10%, rgba(56,189,248,.18), transparent 60%), linear-gradient(135deg, var(--ink), var(--ink-2)); }
.auth-card { width: 100%; max-width: 400px; background: #fff; border-radius: 18px; padding: 2.25rem 2rem; box-shadow: 0 30px 70px rgba(0,0,0,.35); text-align: center; }
.auth-mark { display: inline-grid; place-items: center; width: 52px; height: 52px; border-radius: 14px; background: var(--grad-brand); color: #fff; font-family: var(--font-display); font-weight: 700; margin-bottom: 1rem; box-shadow: 0 8px 22px rgba(14,165,233,.35); }
.auth-card h1 { font-family: var(--font-display); font-size: 1.5rem; color: var(--primary-blue); margin: .25rem 0; }
.auth-sub { color: var(--muted); font-size: .88rem; margin-bottom: 1.5rem; }
.auth-card .field { text-align: left; }
.auth-back { margin-top: 1.1rem; font-size: .88rem; }
.auth-back a { color: var(--accent-cyan-deep); font-weight: 500; }

/* Wordmark suffix ".CodNesta" */
.brand__suffix { color: var(--accent-cyan-deep); }
.brand--light .brand__suffix { color: var(--accent-cyan); }