/* =========================================================================
 *  14° Seminario · Landing pública
 *  Paleta basada en el logo: navy #1D244A · rojo bordó #8B1A1A · crema #FAF6F0
 *  Tipografía: Fraunces (display editorial) + DM Sans (body)
 * ========================================================================= */

:root {
    --navy:        #1D244A;
    --navy-deep:   #0d1530;
    --navy-light:  #2a3261;
    --burgundy:    #8B1A1A;
    --burgundy-d:  #6e1414;
    --crema:       #FAF6F0;
    --crema-2:     #F1E9DC;
    --ink:         #14151c;
    --muted:       #6b7280;
    --line:        rgba(29,36,74,.12);

    --shadow-lg:   0 24px 60px -16px rgba(29,36,74,.32);
    --shadow-md:   0 10px 30px -8px rgba(29,36,74,.20);
    --shadow-sm:   0 2px 10px -2px rgba(29,36,74,.10);

    --radius:      18px;
    --radius-lg:   28px;
}

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

html, body {
    font-family: 'DM Sans', -apple-system, sans-serif;
    background: var(--crema);
    color: var(--ink);
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
}

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

/* ---------- Hero --------------------------------------------------------- */
.hero {
    position: relative;
    min-height: 100vh;
    background: radial-gradient(ellipse at top right, #2a3261 0%, var(--navy) 38%, var(--navy-deep) 100%);
    overflow: hidden;
    color: #fff;
}
.hero::before {
    content: '';
    position: absolute; inset: 0;
    background-image:
      radial-gradient(circle at 80% 20%, rgba(139,26,26,.35) 0, transparent 40%),
      radial-gradient(circle at 10% 70%, rgba(139,26,26,.18) 0, transparent 35%);
    pointer-events: none;
}
.hero::after {
    /* grano sutil */
    content: '';
    position: absolute; inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3'/%3E%3CfeColorMatrix values='0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.18 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
    opacity: .35; pointer-events: none;
}

.nav {
    position: relative; z-index: 5;
    display: flex; justify-content: space-between; align-items: center;
    padding: 26px 48px;
    max-width: 1400px; margin: 0 auto;
}
.nav .brand { font-family: 'Fraunces', Georgia, serif; font-weight: 600; font-size: 20px; letter-spacing: .02em; }
.nav .brand em { color: var(--burgundy); font-style: normal; }
.nav .nav-links { display: flex; gap: 28px; font-size: 14px; opacity: .85; }
.nav .nav-links a:hover { opacity: 1; color: #fff; }

.hero-grid {
    position: relative; z-index: 4;
    max-width: 1400px; margin: 0 auto;
    padding: 40px 48px 80px;
    display: grid; grid-template-columns: 1.1fr .9fr; gap: 64px;
    align-items: center;
}

.hero-copy .eyebrow {
    display: inline-flex; align-items: center; gap: 10px;
    font-size: 12px; letter-spacing: .24em; text-transform: uppercase;
    color: var(--crema-2);
    padding: 8px 16px; border: 1px solid rgba(255,255,255,.18);
    border-radius: 999px; background: rgba(255,255,255,.04);
    margin-bottom: 28px;
}
.hero-copy .eyebrow .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--burgundy); box-shadow: 0 0 12px var(--burgundy); }

.hero-copy h1 {
    font-family: 'Fraunces', Georgia, serif;
    font-weight: 500;
    font-size: clamp(48px, 6vw, 84px);
    line-height: .98;
    letter-spacing: -.02em;
    margin-bottom: 24px;
}
.hero-copy h1 .acento {
    display: block;
    font-style: italic;
    color: var(--burgundy);
    font-weight: 400;
}
.hero-copy .lead {
    font-size: 18px; color: rgba(255,255,255,.78);
    max-width: 540px; margin-bottom: 36px;
}

.meta-evento {
    display: grid; grid-template-columns: repeat(3, auto); gap: 36px;
    padding: 24px 0; border-top: 1px solid rgba(255,255,255,.14); border-bottom: 1px solid rgba(255,255,255,.14);
    margin-bottom: 36px;
}
.meta-evento .meta-item .lbl { font-size: 11px; letter-spacing: .2em; text-transform: uppercase; color: rgba(255,255,255,.5); margin-bottom: 6px; }
.meta-evento .meta-item .val { font-family: 'Fraunces', serif; font-size: 22px; }

.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; }
.btn {
    display: inline-flex; align-items: center; gap: 10px;
    padding: 16px 28px; border-radius: 12px;
    font-family: 'DM Sans', sans-serif; font-weight: 600; font-size: 15px;
    letter-spacing: .02em; cursor: pointer; border: none;
    transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
    text-decoration: none;
}
.btn-primary {
    background: var(--burgundy); color: #fff;
    box-shadow: 0 12px 28px -10px rgba(139,26,26,.6);
}
.btn-primary:hover { background: var(--burgundy-d); transform: translateY(-2px); box-shadow: 0 18px 36px -10px rgba(139,26,26,.7); }
.btn-ghost {
    background: transparent; color: #fff; border: 1px solid rgba(255,255,255,.25);
}
.btn-ghost:hover { background: rgba(255,255,255,.08); }
.btn-block { display: flex; width: 100%; justify-content: center; }

/* Lado derecho del hero — card crema que rescata los 3 colores del logo */
.hero-art {
    position: relative;
    aspect-ratio: 1 / 1;
    border-radius: var(--radius-lg);
    background:
      radial-gradient(circle at 75% 25%, rgba(139,26,26,.06), transparent 60%),
      linear-gradient(145deg, #FAF6F0, #f0e9dd);
    box-shadow:
      0 30px 60px rgba(0,0,0,.35),
      0 2px 0 rgba(255,255,255,.4) inset,
      0 -2px 0 rgba(139,26,26,.08) inset;
    display: flex; align-items: center; justify-content: center;
    padding: 56px; overflow: hidden;
}
.hero-art::before {
    /* Marco bordó muy sutil */
    content: ''; position: absolute; inset: 0;
    border: 1px solid rgba(139,26,26,.18);
    border-radius: var(--radius-lg);
    pointer-events: none;
}
.hero-art::after {
    /* Esquinas decorativas tipo invitación editorial */
    content: '';
    position: absolute; inset: 18px;
    border: 1px dashed rgba(29,36,74,.18);
    border-radius: calc(var(--radius-lg) - 12px);
    pointer-events: none;
}
.hero-art img {
    max-width: 100%;
    position: relative; z-index: 1;
    filter: drop-shadow(0 14px 28px rgba(29,36,74,.25));
}

/* ---------- Secciones blancas -------------------------------------------- */
.section {
    padding: 96px 48px;
    max-width: 1400px; margin: 0 auto;
}
.section-header { text-align: center; margin-bottom: 56px; }
.section-header .eyebrow {
    display: inline-block; font-size: 12px; letter-spacing: .26em;
    text-transform: uppercase; color: var(--burgundy); margin-bottom: 12px;
}
.section-header h2 {
    font-family: 'Fraunces', serif; font-weight: 500;
    font-size: clamp(36px, 4vw, 56px); line-height: 1.05; color: var(--navy);
    letter-spacing: -.01em;
}
.section-header h2 em { font-style: italic; color: var(--burgundy); font-weight: 400; }

/* Cards de tipo de asistente */
.cards-tipo { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.card-tipo {
    position: relative;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 40px 36px;
    text-align: left;
    transition: transform .25s ease, box-shadow .25s ease;
    overflow: hidden;
    cursor: pointer;
    color: var(--ink);
}
.card-tipo:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.card-tipo::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px;
    background: var(--burgundy);
    transform: scaleX(.2); transform-origin: left; transition: transform .35s ease;
}
.card-tipo:hover::before { transform: scaleX(1); }
.card-tipo .icono {
    width: 56px; height: 56px; border-radius: 14px;
    background: var(--crema-2); color: var(--burgundy);
    display: flex; align-items: center; justify-content: center;
    font-family: 'Fraunces', serif; font-size: 24px; font-weight: 500;
    margin-bottom: 20px;
}
.card-tipo h3 { font-family: 'Fraunces', serif; font-size: 28px; font-weight: 500; color: var(--navy); margin-bottom: 8px; }
.card-tipo p { color: var(--muted); font-size: 15px; margin-bottom: 22px; }
.card-tipo .ir { display: inline-flex; align-items: center; gap: 8px; color: var(--burgundy); font-weight: 600; font-size: 14px; letter-spacing: .04em; }
.card-tipo .ir svg { transition: transform .2s ease; }
.card-tipo:hover .ir svg { transform: translateX(4px); }

/* Ponentes */
.section-dark { background: var(--navy); color: #fff; }
.section-dark .section-header h2 { color: #fff; }
.section-dark .section-header .eyebrow { color: var(--burgundy); }

.ponentes-grid {
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px;
}
.ponente {
    background: linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.02));
    border: 1px solid rgba(255,255,255,.10);
    border-radius: var(--radius);
    overflow: hidden;
}
.ponente .foto {
    aspect-ratio: 1 / 1;
    background: linear-gradient(135deg, #2a3261, #0d1530);
    display: flex; align-items: center; justify-content: center;
    color: rgba(255,255,255,.4);
    font-family: 'Fraunces', serif; font-size: 56px;
    overflow: hidden;
}
.ponente .foto img { width: 100%; height: 100%; object-fit: cover; }
.ponente .meta { padding: 22px 24px; }
.ponente .meta .titulo { font-size: 11px; letter-spacing: .2em; text-transform: uppercase; color: var(--burgundy); margin-bottom: 6px; }
.ponente .meta h4 { font-family: 'Fraunces', serif; font-size: 22px; font-weight: 500; margin-bottom: 6px; }
.ponente .meta p { color: rgba(255,255,255,.65); font-size: 14px; }

/* Programa */
.programa {
    background: var(--crema);
    border-radius: var(--radius-lg);
    padding: 56px;
    box-shadow: var(--shadow-sm);
}
.programa-list { display: flex; flex-direction: column; gap: 0; }
.programa-item {
    display: grid; grid-template-columns: 140px 1fr auto; gap: 28px;
    padding: 22px 0;
    border-bottom: 1px solid var(--line);
    align-items: center;
}
.programa-item:last-child { border-bottom: none; }
.programa-item .hora {
    font-family: 'JetBrains Mono', monospace; font-size: 14px; color: var(--burgundy); font-weight: 500;
}
.programa-item .tit { font-family: 'Fraunces', serif; font-size: 19px; color: var(--navy); }
.programa-item .badge {
    font-size: 11px; padding: 5px 12px; border-radius: 999px;
    background: var(--navy); color: #fff; letter-spacing: .08em; text-transform: uppercase;
}

/* Footer */
footer { background: var(--navy-deep); color: rgba(255,255,255,.7); padding: 56px 48px; text-align: center; }
footer .recuperar-cta { margin-bottom: 28px; }
footer a { color: #fff; }

/* ---------- Responsive --------------------------------------------------- */
@media (max-width: 980px) {
    .nav { padding: 20px 24px; }
    .nav .nav-links { display: none; }
    .hero-grid { grid-template-columns: 1fr; padding: 20px 22px 60px; gap: 32px; }
    /* Logo arriba del copy en mobile, más compacto */
    .hero-art {
        display: flex;
        order: -1;             /* arriba del texto */
        aspect-ratio: auto;
        max-width: 100%;
        padding: 28px 24px;
        margin: 0 auto;
        width: 100%;
        max-height: 280px;
    }
    .hero-art::after { inset: 12px; }
    .hero-art img { max-height: 200px; width: auto; }
    .hero-copy h1 { font-size: 44px; }
    .meta-evento { grid-template-columns: 1fr 1fr; gap: 20px; }
    .section { padding: 64px 24px; }
    .cards-tipo { grid-template-columns: 1fr; }
    .ponentes-grid { grid-template-columns: 1fr; }
    .programa { padding: 28px; }
    .programa-item { grid-template-columns: 1fr; gap: 8px; padding: 18px 0; }
    .programa-item .badge { justify-self: start; }
}

@media (max-width: 500px) {
    .hero-copy h1 { font-size: 36px; }
    .hero-art { padding: 20px 18px; max-height: 220px; }
    .hero-art img { max-height: 160px; }
}

/* ---------- Animaciones in-view ----------------------------------------- */
@keyframes fadeUp { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: translateY(0); } }
.reveal { opacity: 0; }
.reveal.in { animation: fadeUp .8s ease forwards; }
.reveal.d1 { animation-delay: .15s; }
.reveal.d2 { animation-delay: .3s; }
.reveal.d3 { animation-delay: .45s; }