/* ══════════════════════════════════════════════
   LA OFICINA DE LGM — CSS
   Mobile-First · Cinematic · Institutional
   ══════════════════════════════════════════════ */

/* ─── Tokens ──────────────────────────────────── */
:root {
  --c-black:   #0a0a0a;
  --c-dark:    #111111;
  --c-mid:     #1e1e1e;
  --c-border:  #2a2a2a;
  --c-muted:   #888888;
  --c-light:   #cccccc;
  --c-white:   #f5f5f5;
  --c-pure:    #ffffff;
  --c-accent:  #c9a96e;   /* warm gold — institutional, not flashy */
  --c-highlight: #7dbdfb; /* fresh blue highlight */
  --c-section-light: #f9f8f6;
  --c-section-alt:   #f1ede8;

  --font-display: 'Playfair Display', Georgia, serif;
  --font-body:    'Inter', -apple-system, 'Helvetica Neue', sans-serif;

  --fs-xs:   0.75rem;
  --fs-sm:   0.875rem;
  --fs-base: 1rem;
  --fs-md:   1.125rem;
  --fs-lg:   1.5rem;
  --fs-xl:   2rem;
  --fs-2xl:  2.75rem;
  --fs-3xl:  3.5rem;
  --fs-hero: clamp(2.2rem, 8vw, 5rem);

  --sp-xs:  0.5rem;
  --sp-sm:  1rem;
  --sp-md:  1.5rem;
  --sp-lg:  2.5rem;
  --sp-xl:  4rem;
  --sp-2xl: 6rem;
  --sp-3xl: 9rem;

  --radius-sm: 2px;
  --radius:    4px;

  --transition: 0.3s ease;
  --transition-slow: 0.6s ease;

  --max-w: 1200px;
  --nav-h: 64px;
}

/* ─── Reset ───────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-body);
  font-size: var(--fs-base);
  line-height: 1.7;
  color: var(--c-dark);
  background: var(--c-pure);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
ul { list-style: none; }
input, textarea { font-family: inherit; }

/* ─── Utilities ───────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--sp-md);
}

.section-label {
  display: inline-block;
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--c-accent);
  margin-bottom: var(--sp-md);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 5vw, 2.8rem);
  font-weight: 400;
  line-height: 1.2;
  color: var(--c-dark);
  margin-bottom: var(--sp-xl);
}

.section-header {
  margin-bottom: var(--sp-xl);
}

/* Fade-in animation */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ─── NAV ─────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--nav-h);
  background: rgba(8, 14, 26, 0.75);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  transition: background var(--transition), backdrop-filter var(--transition), border-color var(--transition);
}

.nav.scrolled {
  background: rgba(2, 22, 52, 0.92);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom-color: rgba(125, 189, 251, 0.35);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-h);
  padding: 0 var(--sp-md);
  max-width: var(--max-w);
  margin: 0 auto;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: var(--sp-xs);
}
.nav__logo-text {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 500;
  color: var(--c-highlight);
  letter-spacing: 0.04em;
}

.nav__links {
  display: none;
  gap: var(--sp-lg);
  align-items: center;
}

.nav__link {
  font-size: var(--fs-sm);
  font-weight: 400;
  letter-spacing: 0.04em;
  color: rgba(255,255,255,0.86);
  transition: color var(--transition);
  position: relative;
}
.nav__link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--c-highlight);
  transition: width var(--transition);
}
.nav__link:hover { color: var(--c-highlight); }
.nav__link:hover::after { width: 100%; }

/* Hamburger */
.nav__hamburger {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: var(--sp-xs);
}
.nav__bar {
  display: block;
  width: 24px;
  height: 1.5px;
  background: var(--c-pure);
  transition: transform var(--transition), opacity var(--transition);
}
.nav__hamburger[aria-expanded="true"] .nav__bar:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}
.nav__hamburger[aria-expanded="true"] .nav__bar:nth-child(2) {
  opacity: 0;
}
.nav__hamburger[aria-expanded="true"] .nav__bar:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

/* ─── Mobile Menu ─────────────────────────────── */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 99;
  background: rgba(8, 8, 8, 0.97);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s ease;
}
.mobile-menu.open {
  opacity: 1;
  pointer-events: all;
}

.mobile-menu__close {
  position: absolute;
  top: 20px;
  right: 20px;
  font-size: 1.5rem;
  color: var(--c-light);
  padding: var(--sp-sm);
  transition: color var(--transition);
}
.mobile-menu__close:hover { color: var(--c-pure); }

.mobile-menu__links {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-lg);
}

.mobile-menu__link {
  font-family: var(--font-display);
  font-size: clamp(2rem, 8vw, 3rem);
  font-weight: 400;
  color: rgba(255,255,255,0.85);
  letter-spacing: 0.02em;
  transition: color var(--transition);
  opacity: 0;
  transform: translateY(20px);
  transition: color var(--transition), opacity 0.4s ease, transform 0.4s ease;
}
.mobile-menu.open .mobile-menu__link {
  opacity: 1;
  transform: translateY(0);
}
.mobile-menu.open .mobile-menu__link:nth-child(1) { transition-delay: 0.05s; }
.mobile-menu.open .mobile-menu__link:nth-child(2) { transition-delay: 0.1s; }
.mobile-menu.open .mobile-menu__link:nth-child(3) { transition-delay: 0.15s; }
.mobile-menu.open .mobile-menu__link:nth-child(4) { transition-delay: 0.2s; }
.mobile-menu__link:hover { color: var(--c-highlight); }

/* ─── HERO ────────────────────────────────────── */
.hero {
  position: relative;
  width: 100%;
  min-height: 100dvh;
  height: 100dvh;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 30% center; /* shift subject to left */
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(0,0,0,0.45) 0%,
    rgba(0,0,0,0.25) 40%,
    rgba(0,0,0,0.55) 100%
  );
}

.hero__content {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: var(--sp-xl) var(--sp-md);
  max-width: 700px;
}

.hero__eyebrow {
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--c-accent);
  margin-bottom: var(--sp-md);
  opacity: 0;
  animation: fadeUp 1s ease 0.3s forwards;
}

.hero__title {
  font-family: var(--font-display);
  font-size: var(--fs-hero);
  font-weight: 400;
  line-height: 1.1;
  color: var(--c-pure);
  letter-spacing: -0.01em;
  margin-bottom: var(--sp-md);
  opacity: 0;
  animation: fadeUp 1s ease 0.5s forwards;
}

.hero__sub {
  font-size: clamp(var(--fs-base), 2.5vw, var(--fs-lg));
  font-weight: 300;
  color: rgba(255,255,255,0.8);
  letter-spacing: 0.08em;
  margin-bottom: var(--sp-xl);
  opacity: 0;
  animation: fadeUp 1s ease 0.7s forwards;
}

.hero__cta {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-xs);
  font-size: var(--fs-sm);
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--c-pure);
  border: 1px solid rgba(255,255,255,0.5);
  padding: 0.75rem 1.75rem;
  transition: border-color var(--transition), color var(--transition), background var(--transition);
  opacity: 0;
  animation: fadeUp 1s ease 0.9s forwards;
}
.hero__cta:hover {
  border-color: var(--c-accent);
  color: var(--c-accent);
}

.hero__scroll {
  position: absolute;
  bottom: var(--sp-lg);
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
  opacity: 0;
  animation: fadeIn 1s ease 1.4s forwards;
}
.hero__scroll-line {
  width: 1px;
  height: 60px;
  background: linear-gradient(to bottom, rgba(255,255,255,0.6), transparent);
  margin: 0 auto;
  animation: scrollLine 2s ease-in-out infinite;
}

/* ─── MANIFIESTO ──────────────────────────────── */
.manifiesto {
  background: linear-gradient(135deg, #07111f, #0d1f3f 55%, #11274f);
  color: #f4f7fb;
  padding: var(--sp-3xl) 0;
}

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

.manifiesto .section-label {
  color: var(--c-highlight);
}

.manifiesto__quote {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 5vw, 3rem);
  font-weight: 400;
  font-style: italic;
  line-height: 1.3;
  color: var(--c-white);
  border: none;
  margin: 0 0 var(--sp-xl) 0;
  padding: 0;
}

.manifiesto__body {
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: var(--sp-md);
}

.manifiesto__body p {
  font-size: var(--fs-md);
  font-weight: 300;
  line-height: 1.8;
  color: rgba(255,255,255,0.8);
}

.manifiesto__closing {
  color: rgba(255,255,255,0.7) !important;
  font-style: italic;
  padding-top: var(--sp-sm);
  border-top: 1px solid rgba(255,255,255,0.12);
}

/* ─── ACERCA ──────────────────────────────────── */
.acerca {
  background: var(--c-section-light);
  padding: var(--sp-3xl) 0;
}

.acerca__inner {
  display: flex;
  flex-direction: column;
  gap: var(--sp-xl);
}

.acerca__img-wrap {
  position: relative;
  overflow: hidden;
  aspect-ratio: 3/4;
  max-height: 520px;
}

.acerca__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 30% top;
  transition: transform 0.8s ease;
}
.acerca__img-wrap:hover .acerca__img {
  transform: scale(1.02);
}

.acerca__text {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.acerca__title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 6vw, 3rem);
  font-weight: 400;
  line-height: 1.15;
  color: var(--c-dark);
  margin-bottom: var(--sp-lg);
}

.acerca__bio {
  font-size: var(--fs-base);
  line-height: 1.8;
  color: #444;
  margin-bottom: var(--sp-md);
}

.acerca__pillars {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-sm);
  margin-top: var(--sp-md);
  padding-top: var(--sp-md);
  border-top: 1px solid rgba(0,0,0,0.1);
}

.pillar {
  padding: 0.4rem 1rem;
  border: 1px solid rgba(0,0,0,0.15);
}

.pillar__word {
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--c-muted);
}

/* ─── PRENSA ──────────────────────────────────── */
.prensa {
  background: var(--c-pure);
  padding: var(--sp-3xl) 0;
}

.prensa__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: rgba(0,0,0,0.08);
  border: 1px solid rgba(0,0,0,0.08);
}

.press-card {
  background: var(--c-pure);
  padding: var(--sp-lg) var(--sp-lg);
  display: flex;
  flex-direction: column;
  gap: var(--sp-xs);
  transition: background var(--transition);
}
.press-card:hover {
  background: var(--c-section-light);
}

.press-card__type {
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--c-accent);
}

.press-card__title {
  font-family: var(--font-display);
  font-size: var(--fs-md);
  font-weight: 400;
  line-height: 1.4;
  color: var(--c-dark);
}

.press-card__source {
  font-size: var(--fs-sm);
  color: var(--c-muted);
  font-weight: 500;
}

.press-card__date {
  font-size: var(--fs-xs);
  color: #aaa;
  margin-top: auto;
  padding-top: var(--sp-xs);
}

/* ─── PROGRAMACIÓN ────────────────────────────── */
.programacion {
  background: var(--c-section-alt);
  padding: var(--sp-3xl) 0;
}

.eventos__list {
  display: flex;
  flex-direction: column;
  gap: 1px;
  background: rgba(0,0,0,0.07);
  border: 1px solid rgba(0,0,0,0.07);
}

.evento {
  background: var(--c-section-alt);
  padding: var(--sp-lg);
  display: flex;
  align-items: center;
  gap: var(--sp-lg);
  transition: background var(--transition);
  flex-wrap: wrap;
}
.evento:hover {
  background: #e8e3de;
}

.evento__date {
  flex-shrink: 0;
  width: 52px;
  text-align: center;
}

.evento__day {
  display: block;
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 400;
  line-height: 1;
  color: var(--c-dark);
}

.evento__month {
  display: block;
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-accent);
  margin-top: 2px;
}

.evento__info {
  flex: 1;
  min-width: 0;
}

.evento__title {
  font-size: var(--fs-base);
  font-weight: 500;
  color: var(--c-dark);
  line-height: 1.4;
  margin-bottom: 4px;
}

.evento__detail {
  font-size: var(--fs-sm);
  color: var(--c-muted);
}

.evento__tag {
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(0,0,0,0.35);
  border: 1px solid rgba(0,0,0,0.12);
  padding: 0.25rem 0.6rem;
  flex-shrink: 0;
}

/* ─── CONTACTO ────────────────────────────────── */
.contacto {
  background: var(--c-black);
  color: var(--c-pure);
  padding: var(--sp-3xl) 0;
}

.contacto__inner {
  display: flex;
  flex-direction: column;
  gap: var(--sp-xl);
}

.contacto .section-label {
  color: var(--c-accent);
}

.contacto__title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 5vw, 2.8rem);
  font-weight: 400;
  line-height: 1.2;
  color: var(--c-pure);
  margin-bottom: var(--sp-md);
}

.contacto__sub {
  font-size: var(--fs-base);
  color: rgba(255,255,255,0.55);
  line-height: 1.7;
  max-width: 340px;
}

/* Form */
.form {
  display: flex;
  flex-direction: column;
  gap: var(--sp-md);
}

.form__group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form__label {
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.45);
}

.form__input,
.form__textarea {
  width: 100%;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.1);
  color: var(--c-pure);
  font-size: var(--fs-base);
  padding: 0.85rem var(--sp-md);
  border-radius: var(--radius-sm);
  transition: border-color var(--transition), background var(--transition);
  outline: none;
}
.form__input::placeholder,
.form__textarea::placeholder {
  color: rgba(255,255,255,0.2);
}
.form__input:focus,
.form__textarea:focus {
  border-color: var(--c-accent);
  background: rgba(255,255,255,0.06);
}
.form__input.invalid,
.form__textarea.invalid {
  border-color: #e05252;
}
.form__textarea { resize: vertical; min-height: 130px; }

.form__error {
  font-size: var(--fs-xs);
  color: #e05252;
  min-height: 1rem;
}

.form__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-sm);
  background: var(--c-accent);
  color: var(--c-black);
  font-size: var(--fs-sm);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 1rem 2rem;
  width: 100%;
  transition: background var(--transition), transform var(--transition);
  border-radius: var(--radius-sm);
}
.form__btn:hover {
  background: #d4b882;
  transform: translateY(-1px);
}
.form__btn:active { transform: translateY(0); }
.form__btn:disabled {
  opacity: 0.5;
  pointer-events: none;
}

.form__success {
  font-size: var(--fs-sm);
  color: #7bcf9a;
  text-align: center;
  padding: var(--sp-md);
  border: 1px solid rgba(123,207,154,0.3);
  border-radius: var(--radius-sm);
}

/* ─── FOOTER ──────────────────────────────────── */
.footer {
  background: #060606;
  padding: var(--sp-2xl) 0;
  text-align: center;
}

.footer__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-sm);
}

.footer__brand {
  font-family: var(--font-display);
  font-size: var(--fs-lg);
  font-weight: 400;
  color: var(--c-pure);
  letter-spacing: 0.04em;
}

.footer__tagline {
  font-size: var(--fs-sm);
  color: rgba(255,255,255,0.35);
  font-style: italic;
}

.footer__links {
  display: flex;
  align-items: center;
  gap: var(--sp-sm);
  margin-top: var(--sp-sm);
}

.footer__link {
  font-size: var(--fs-xs);
  color: rgba(255,255,255,0.4);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: color var(--transition);
}
.footer__link:hover { color: var(--c-accent); }

.footer__sep {
  color: rgba(255,255,255,0.2);
}

.footer__copy {
  font-size: var(--fs-xs);
  color: rgba(255,255,255,0.2);
  margin-top: var(--sp-xs);
}

/* ─── Animations ──────────────────────────────── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes scrollLine {
  0%, 100% { opacity: 1; transform: scaleY(1); }
  50%       { opacity: 0.3; transform: scaleY(0.5); }
}

/* ─── Reduced Motion ──────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  .hero__eyebrow, .hero__title, .hero__sub, .hero__cta, .hero__scroll {
    opacity: 1 !important;
    animation: none !important;
  }
}

/* ─── Tablet 640px ────────────────────────────── */
@media (min-width: 640px) {
  .container { padding: 0 var(--sp-lg); }

  .prensa__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .acerca__img-wrap {
    max-height: 480px;
  }
}

/* ─── Desktop 900px ───────────────────────────── */
@media (min-width: 900px) {
  .container { padding: 0 var(--sp-xl); }

  /* Nav */
  .nav__hamburger { display: none; }
  .nav__links { display: flex; }

  /* Hero */
  .hero__img {
    object-position: 35% center;
  }

  /* Acerca */
  .acerca__inner {
    flex-direction: row;
    align-items: center;
    gap: var(--sp-3xl);
  }
  .acerca__media {
    flex: 0 0 42%;
  }
  .acerca__img-wrap {
    max-height: 600px;
  }
  .acerca__text { flex: 1; }

  /* Prensa */
  .prensa__grid {
    grid-template-columns: repeat(3, 1fr);
  }

  /* Contacto */
  .contacto__inner {
    flex-direction: row;
    gap: var(--sp-3xl);
    align-items: flex-start;
  }
  .contacto__left {
    flex: 0 0 40%;
  }
  .contacto__right {
    flex: 1;
  }
  .form__btn { width: auto; }
}

/* ─── Large 1200px ────────────────────────────── */
@media (min-width: 1200px) {
  .manifiesto__inner {
    max-width: 820px;
  }
}