/* ===== AI VISIONAIRE — style.css (light watercolor theme) ===== */

:root {
    --c-bg: #f7f4ef;
    --c-bg-2: #fdfbf8;
    --c-surface: #ffffff;
    --c-text: #1b1822;
    --c-muted: #6c6776;
    --c-line: #e6ddd2;
    --c-accent: #8b5cf6;
    --c-accent-2: #e85aa0;
    --grad-accent: linear-gradient(110deg, #e85aa0 0%, #8b5cf6 52%, #4aa8e0 100%);

    --s-1: 0.5rem;
    --s-2: 1rem;
    --s-3: 1.5rem;
    --s-4: 2.5rem;
    --s-5: 4rem;
    --s-6: 6rem;

    --maxw: 1180px;
    --maxw-narrow: 760px;
    --radius: 6px;
    --shadow: 0 10px 30px rgba(27, 24, 34, 0.07);

    --font-sans: 'Sora', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'Space Mono', ui-monospace, 'SF Mono', Menlo, monospace;
}

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

html { scroll-behavior: smooth; }

body {
    background: var(--c-bg);
    color: var(--c-text);
    font-family: var(--font-sans);
    font-weight: 400;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

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

.container { max-width: var(--maxw); margin: 0 auto; padding: 0 var(--s-3); }
.container-narrow { max-width: var(--maxw-narrow); }
.text-center { text-align: center; }

.skip-link {
    position: absolute; left: -999px; top: 0; z-index: 100;
    background: var(--c-accent); color: #fff; padding: 0.6rem 1rem; font-weight: 600;
}
.skip-link:focus { left: var(--s-2); top: var(--s-2); }

/* ===== Header ===== */
.header {
    position: sticky; top: 0; z-index: 50;
    background: rgba(247, 244, 239, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid transparent;
    transition: border-color 0.2s, box-shadow 0.2s;
}
.header.is-scrolled { border-bottom-color: var(--c-line); box-shadow: 0 2px 20px rgba(27,24,34,0.04); }
.header-inner {
    max-width: var(--maxw); margin: 0 auto; padding: 0.9rem var(--s-3);
    display: flex; align-items: center; justify-content: space-between;
}
.brand {
    font-family: var(--font-mono); font-weight: 700; letter-spacing: 0.06em; font-size: 1.05rem;
}
.nav { display: flex; align-items: center; gap: var(--s-3); }
.nav-link { color: var(--c-muted); font-size: 0.92rem; transition: color 0.2s; }
.nav-link:hover { color: var(--c-text); }
.btn-submit {
    color: #fff !important; background: var(--grad-accent);
    padding: 0.5rem 1rem; border-radius: var(--radius); font-weight: 600;
}
.btn-submit:hover { opacity: 0.92; }

/* ===== Hero ===== */
.hero {
    position: relative; min-height: 90vh;
    display: flex; align-items: center; justify-content: center;
    text-align: center; overflow: hidden;
    padding: var(--s-5) var(--s-3);
}
.hero-bg {
    position: absolute; inset: 0; z-index: 0;
    background:
        radial-gradient(circle at 18% 22%, rgba(232, 90, 160, 0.14), transparent 42%),
        radial-gradient(circle at 82% 28%, rgba(74, 168, 224, 0.14), transparent 42%),
        radial-gradient(circle at 50% 92%, rgba(139, 92, 246, 0.12), transparent 50%);
}
.hero-content { position: relative; z-index: 2; max-width: 760px; }
.hero-logo-wrap { margin: 0 0 var(--s-3); }
.hero-logo {
    width: clamp(240px, 42vw, 400px); margin: 0 auto;
    mix-blend-mode: multiply;
}
.hero-meta {
    font-family: var(--font-mono); font-size: 1rem; color: var(--c-text);
    letter-spacing: 0.05em; margin-bottom: var(--s-2);
}
.hero-tagline {
    font-size: clamp(1.05rem, 2.4vw, 1.4rem); color: var(--c-muted);
    max-width: 30em; margin: 0 auto var(--s-4);
}
.hero-actions { display: flex; gap: var(--s-2); justify-content: center; flex-wrap: wrap; }

/* ===== Buttons ===== */
.btn-primary, .btn-secondary {
    display: inline-block; padding: 0.85rem 1.7rem; border-radius: var(--radius);
    font-weight: 600; font-size: 0.95rem; transition: transform 0.18s, opacity 0.18s, border-color 0.18s, color 0.18s;
}
.btn-primary { background: var(--grad-accent); color: #fff; box-shadow: var(--shadow); }
.btn-primary:hover { transform: translateY(-2px); opacity: 0.94; }
.btn-secondary { border: 1px solid var(--c-line); color: var(--c-text); background: var(--c-surface); }
.btn-secondary:hover { border-color: var(--c-accent); color: var(--c-accent); }

/* ===== Sections ===== */
.section { padding: var(--s-6) 0; border-top: 1px solid var(--c-line); }
.section-title {
    font-size: clamp(1.7rem, 4vw, 2.5rem); font-weight: 600; margin-bottom: var(--s-4);
    letter-spacing: -0.01em;
}
.about .section-title, .dates .section-title { text-align: center; }
.prose p { color: var(--c-muted); font-size: 1.08rem; margin-bottom: var(--s-3); }
.prose p:first-of-type { color: var(--c-text); font-size: 1.18rem; }

/* ===== Experience ===== */
.exp-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--s-2); }
.exp-card {
    background: var(--c-surface); border: 1px solid var(--c-line);
    border-radius: var(--radius); padding: var(--s-3); box-shadow: var(--shadow);
    transition: border-color 0.2s, transform 0.2s;
}
.exp-card:hover { border-color: var(--c-accent); transform: translateY(-4px); }
.exp-index { font-family: var(--font-mono); color: var(--c-accent-2); font-size: 0.8rem; }
.exp-card h3 { font-size: 1.2rem; font-weight: 600; margin: var(--s-2) 0 var(--s-1); }
.exp-card p { color: var(--c-muted); font-size: 0.95rem; }

/* ===== Awards ===== */
.awards-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--s-2); }
.award-card {
    background: var(--c-surface); border: 1px solid var(--c-line);
    border-radius: var(--radius); padding: var(--s-4) var(--s-3);
    position: relative; overflow: hidden; box-shadow: var(--shadow);
    transition: border-color 0.2s, transform 0.2s;
}
.award-card::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
    background: var(--grad-accent);
}
.award-card:hover { border-color: var(--c-accent); transform: translateY(-4px); }
.award-name {
    font-size: 1.45rem; font-weight: 700; margin-bottom: 0.25rem;
    background: var(--grad-accent); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.award-cat { font-family: var(--font-mono); font-size: 0.85rem; color: var(--c-accent); margin-bottom: var(--s-2); }
.award-desc { color: var(--c-muted); font-size: 0.98rem; }

/* ===== Dates ===== */
.dates-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--s-2); }
.date-item {
    background: var(--c-surface); border: 1px solid var(--c-line);
    border-radius: var(--radius); padding: var(--s-4) var(--s-2); box-shadow: var(--shadow);
}
.date-item h4 {
    font-family: var(--font-mono); text-transform: uppercase; letter-spacing: 0.12em;
    font-size: 0.72rem; color: var(--c-muted); margin-bottom: var(--s-2); font-weight: 400;
}
.date-item p { font-size: 1.5rem; font-weight: 600; }

/* ===== Rules ===== */
.rules-list { max-width: var(--maxw-narrow); margin: 0 auto; padding-left: 1.5rem; }
.rules-list li { color: var(--c-muted); margin-bottom: var(--s-2); padding-left: 0.4rem; line-height: 1.55; }
.rules-list li::marker { color: var(--c-accent); font-family: var(--font-mono); font-size: 0.9rem; }

/* ===== Submit ===== */
.submit { background: var(--c-bg-2); }
.huge-title {
    font-size: clamp(2.2rem, 6vw, 4rem); font-weight: 700; margin-bottom: var(--s-3);
    letter-spacing: -0.01em;
}
.submit-desc { color: var(--c-muted); max-width: 36em; margin: 0 auto var(--s-4); font-size: 1.08rem; }

/* ===== Footer ===== */
.footer { border-top: 1px solid var(--c-line); padding-top: var(--s-5); background: var(--c-bg-2); }
.footer-inner {
    display: flex; justify-content: space-between; gap: var(--s-4); flex-wrap: wrap;
    padding-bottom: var(--s-4);
}
.footer-name { font-family: var(--font-mono); font-weight: 700; letter-spacing: 0.06em; font-size: 1.2rem; margin-bottom: var(--s-1); }
.footer-tag { color: var(--c-muted); max-width: 26em; }
.footer-details p { color: var(--c-muted); font-size: 0.95rem; }
.footer-details a { color: var(--c-accent); }
.footer-bottom { border-top: 1px solid var(--c-line); padding: var(--s-3); text-align: center; }
.footer-bottom p { color: var(--c-muted); font-size: 0.85rem; }

/* ===== Mobile sticky CTA ===== */
.sticky-cta {
    display: none; position: fixed; bottom: 0; left: 0; right: 0; z-index: 60;
    background: var(--grad-accent); color: #fff; text-align: center;
    padding: 0.9rem; font-weight: 700; letter-spacing: 0.02em;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .exp-grid { grid-template-columns: repeat(2, 1fr); }
    .awards-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
    .nav .nav-link:not(.btn-submit) { display: none; }
    .section { padding: var(--s-5) 0; }
    .dates-grid { grid-template-columns: 1fr; }
    .footer-inner { flex-direction: column; }
}
@media (max-width: 600px) {
    .awards-grid { grid-template-columns: 1fr; }
    .exp-grid { grid-template-columns: 1fr; }
    .sticky-cta { display: block; }
    .btn-submit { display: none; }
    body { padding-bottom: 3.2rem; }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    * { transition: none !important; }
}