/* ==========================================================================
   INGA FILMS — sistema de diseño
   ========================================================================== */

:root {
  --navy-950: #060a0c;
  --navy-900: #0a1216;
  --navy-800: #0f1b20;
  --navy-700: #16262c;
  --navy-600: #1f363e;
  --navy-border: #24393f;
  --brand: #0b222d;

  --wine: #76232f;
  --wine-tint: color-mix(in srgb, var(--wine) 55%, white);
  --wine-deep: color-mix(in srgb, var(--wine) 80%, black);
  --gold-400: var(--wine-tint);
  --gold-500: var(--wine);
  --gold-600: var(--wine-deep);

  --text-hi: #f6f3ec;
  --text: #d9dde0;
  --text-muted: #8ea0a6;
  --text-faint: #5b6c71;

  --font-display: "Work Sans", -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: "Work Sans", -apple-system, BlinkMacSystemFont, sans-serif;

  --container: 1240px;
  --radius: 14px;
  --radius-sm: 8px;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--navy-950);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { margin: 0; padding: 0; list-style: none; }
button { font-family: inherit; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--text-hi);
  font-weight: 600;
  line-height: 1.12;
  margin: 0 0 0.5em;
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(2.6rem, 5.6vw, 4.6rem); font-weight: 500; }
h2 { font-size: clamp(1.9rem, 3.4vw, 2.9rem); font-weight: 500; }
h3 { font-size: clamp(1.2rem, 1.6vw, 1.5rem); }

p { margin: 0 0 1em; color: var(--text); }
.lede {
  font-size: clamp(1.05rem, 1.4vw, 1.25rem);
  color: var(--text-muted);
  max-width: 46ch;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold-400);
  margin-bottom: 1em;
}
.eyebrow::before {
  content: "";
  width: 28px;
  height: 1px;
  background: var(--gold-400);
}

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 4vw, 3rem);
}

section { position: relative; }
.section {
  padding: clamp(4rem, 9vw, 7.5rem) 0;
}
.section-head {
  max-width: 760px;
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
}
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head.center .lede { margin-left: auto; margin-right: auto; }
.section-head.center .eyebrow::before { display: none; }

.bg-alt { background: var(--navy-900); }
.bg-brand {
  background: linear-gradient(160deg, var(--brand) 0%, var(--navy-900) 100%);
}

/* Buttons ---------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  padding: 0.9em 1.7em;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.92rem;
  letter-spacing: 0.01em;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.35s var(--ease), background 0.35s var(--ease), border-color 0.35s var(--ease), color 0.35s var(--ease);
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn-gold {
  background: linear-gradient(135deg, var(--wine), var(--wine-deep));
  color: var(--text-hi);
}
.btn-gold:hover { filter: brightness(1.2); }
.btn-ghost {
  border-color: rgba(246, 243, 236, 0.28);
  color: var(--text-hi);
  background: transparent;
}
.btn-ghost:hover { border-color: var(--gold-500); color: var(--gold-400); }
.btn-sm { padding: 0.6em 1.3em; font-size: 0.82rem; }
.btn svg { width: 1em; height: 1em; }

/* Header ------------------------------------------------------------------ */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 1.4rem 0;
  transition: background 0.4s var(--ease), padding 0.4s var(--ease), border-color .4s var(--ease);
  border-bottom: 1px solid transparent;
}
.site-header.is-scrolled {
  background: rgba(6, 10, 12, 0.86);
  backdrop-filter: blur(14px) saturate(140%);
  padding: 0.9rem 0;
  border-color: var(--navy-border);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.brand { display: flex; align-items: center; gap: 0.7rem; }
.brand img { height: 52px; width: auto; }

.nav-desktop {
  display: flex;
  align-items: center;
  gap: clamp(1.4rem, 2.4vw, 2.4rem);
}
.nav-desktop a {
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  color: var(--text);
  position: relative;
  padding: 0.3em 0;
}
.nav-desktop a::after {
  content: "";
  position: absolute; left: 0; right: 100%; bottom: -2px;
  height: 1px; background: var(--gold-400);
  transition: right 0.35s var(--ease);
}
.nav-desktop a:hover::after,
.nav-desktop a.active::after { right: 0; }
.nav-desktop a.active { color: var(--text-hi); }

.header-actions { display: flex; align-items: center; gap: 1rem; }
.lang-switch { display: flex; align-items: center; gap: 0.4em; font-size: 0.78rem; font-weight: 700; letter-spacing: 0.04em; }
.lang-switch a { color: var(--text-faint); transition: color .3s var(--ease); }
.lang-switch a.active { color: var(--gold-400); }
.lang-switch a:hover { color: var(--text-hi); }
.lang-switch span { color: var(--navy-border); }
.nav-mobile .lang-switch { font-size: 0.95rem; margin-top: 0.5rem; }

.nav-toggle {
  display: none;
  width: 42px; height: 42px;
  border-radius: 50%;
  border: 1px solid var(--navy-border);
  background: rgba(255,255,255,0.03);
  align-items: center; justify-content: center;
  cursor: pointer;
  flex-direction: column;
  gap: 5px;
}
.nav-toggle span { width: 18px; height: 1.5px; background: var(--text-hi); transition: transform .3s var(--ease), opacity .3s var(--ease); }
.nav-toggle.is-open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; }
.nav-toggle.is-open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

.nav-mobile {
  position: fixed;
  inset: 0;
  background: var(--navy-950);
  z-index: 90;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  gap: 1.6rem;
  padding: 2rem clamp(1.5rem, 6vw, 3rem);
  transform: translateY(-100%);
  opacity: 0;
  transition: transform 0.5s var(--ease), opacity 0.4s var(--ease);
  pointer-events: none;
}
.nav-mobile.is-open { transform: translateY(0); opacity: 1; pointer-events: auto; }
.nav-mobile a { font-family: var(--font-display); font-size: 2rem; color: var(--text-hi); }
.nav-mobile .contact-line { margin-top: 1.5rem; color: var(--text-muted); font-family: var(--font-body); font-size: 1rem; }

/* Hero ---------------------------------------------------------------- */
.hero {
  min-height: 100svh;
  display: flex;
  align-items: flex-end;
  position: relative;
  padding-top: 8rem;
  padding-bottom: clamp(3rem, 7vw, 6rem);
  isolation: isolate;
}
.hero-media {
  position: absolute; inset: 0;
  z-index: -1;
  overflow: hidden;
}
.hero-media img {
  width: 100%; height: 100%; object-fit: cover;
  transform: scale(1.04);
}
.hero-slide {
  position: absolute; inset: 0;
  opacity: 0;
  transition: opacity 1.6s ease;
}
.hero-slide.is-active { opacity: 1; }
.hero-slide img, .hero-slide video {
  width: 100%; height: 100%; object-fit: cover;
  transform: scale(1.04);
}
.hero-media::after {
  content: "";
  position: absolute; inset: 0;
  background:
    linear-gradient(180deg, rgba(6,10,12,0.23) 0%, rgba(6,10,12,0.12) 35%, rgba(6,10,12,0.49) 100%),
    linear-gradient(90deg, rgba(6,10,12,0.35) 0%, rgba(6,10,12,0.03) 55%);
}
.hero-inner { max-width: 720px; }
.hero-tagline { font-size: clamp(1.05rem, 1.6vw, 1.3rem); color: var(--text-muted); max-width: 50ch; margin-bottom: 2.2rem; }
.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; }
.hero-scroll {
  position: absolute;
  right: clamp(1.25rem, 4vw, 3rem);
  bottom: 2.4rem;
  display: flex; align-items: center; gap: 0.7rem;
  color: var(--text-faint);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  writing-mode: vertical-rl;
}
.hero-scroll .line { width: 1px; height: 46px; background: linear-gradient(var(--gold-400), transparent); }

/* Stats strip -------------------------------------------------------- */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  border-top: 1px solid var(--navy-border);
  border-bottom: 1px solid var(--navy-border);
  padding: clamp(1.8rem, 4vw, 2.6rem) 0;
}
.stat b {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  color: var(--text-hi);
  font-weight: 500;
}
.stat span { font-size: 0.82rem; color: var(--text-muted); letter-spacing: 0.02em; }

/* Services / pillars --------------------------------------------------- */
.pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.pillar {
  background: var(--navy-800);
  border: 1px solid var(--navy-border);
  border-radius: var(--radius);
  padding: clamp(1.8rem, 3vw, 2.6rem);
  transition: border-color .35s var(--ease), transform .35s var(--ease), background .35s var(--ease);
}
.pillar:hover { border-color: rgba(118, 35, 47, 0.6); transform: translateY(-4px); background: var(--navy-700); }
.pillar .num {
  font-family: var(--font-display);
  color: var(--gold-400);
  font-size: 0.95rem;
  letter-spacing: 0.05em;
  margin-bottom: 1.2rem;
  display: block;
}
.pillar p { color: var(--text-muted); font-size: 0.96rem; margin-bottom: 0; }

/* Project grid --------------------------------------------------------- */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.6rem;
}
.project-card {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 4 / 5;
  background: var(--navy-800);
  cursor: pointer;
  border: 1px solid var(--navy-border);
}
.project-card img {
  width: 100%; height: 100%; object-fit: cover; object-position: top center;
  transition: transform 0.7s var(--ease), filter 0.5s var(--ease);
  filter: saturate(0.85) brightness(0.92);
}
.project-card:hover img { transform: scale(1.07); filter: saturate(1) brightness(1); }
.project-card::before {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(0deg, rgba(6,10,12,0.94) 0%, rgba(6,10,12,0.25) 55%, rgba(6,10,12,0.05) 100%);
  z-index: 1;
}
.project-card .card-body {
  position: absolute; left: 0; right: 0; bottom: 0;
  z-index: 2;
  padding: 1.4rem 1.4rem 1.6rem;
}
.project-card .tag {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-hi);
  background: var(--gold-500);
  padding: 0.3em 0.7em;
  border-radius: 999px;
  margin-bottom: 0.7em;
}
.project-card h3 { margin-bottom: 0.25em; font-size: 1.2rem; }
.project-card .meta { font-size: 0.82rem; color: var(--text-muted); }

.projects-foot { text-align: center; margin-top: clamp(2rem, 4vw, 3rem); }

/* Filters (proyectos page) --------------------------------------------- */
.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-bottom: clamp(2rem, 4vw, 3rem);
}
.filter-btn {
  padding: 0.6em 1.3em;
  border-radius: 999px;
  border: 1px solid var(--navy-border);
  background: var(--navy-800);
  color: var(--text-muted);
  font-size: 0.85rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.3s var(--ease);
}
.filter-btn:hover { border-color: var(--gold-500); color: var(--text-hi); }
.filter-btn.active { background: var(--gold-500); border-color: var(--gold-500); color: var(--text-hi); }

.project-card.is-hidden { display: none; }

/* Modal ---------------------------------------------------------------- */
.modal-overlay {
  position: fixed; inset: 0; z-index: 200;
  background: rgba(6, 10, 12, 0.82);
  backdrop-filter: blur(6px);
  display: flex; align-items: center; justify-content: center;
  padding: clamp(1rem, 4vw, 3rem);
  opacity: 0; pointer-events: none;
  transition: opacity 0.35s var(--ease);
}
.modal-overlay.is-open { opacity: 1; pointer-events: auto; }
.modal {
  background: var(--navy-800);
  border: 1px solid var(--navy-border);
  border-radius: var(--radius);
  max-width: 880px;
  width: 100%;
  max-height: 88vh;
  overflow-y: auto;
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  transform: translateY(16px) scale(0.98);
  transition: transform 0.4s var(--ease);
}
.modal-overlay.is-open .modal { transform: translateY(0) scale(1); }
.modal-media { position: relative; min-height: 260px; background: #000; }
.modal-media img { width: 100%; height: 100%; object-fit: cover; object-position: top center; }
.modal-media img.is-hidden { display: none; }
.modal-media .modal-video, .modal-media .modal-embed {
  display: none;
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  border: 0; background: #000;
}
.modal-media .modal-video { object-fit: contain; }
.modal-media .modal-video.is-active, .modal-media .modal-embed.is-active { display: block; }
.modal-content { padding: clamp(1.6rem, 3vw, 2.6rem); position: relative; }
.modal-close {
  position: absolute; top: 1rem; right: 1rem;
  width: 38px; height: 38px; border-radius: 50%;
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--navy-border);
  color: var(--text-hi);
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
  z-index: 3;
}
.modal-tag { color: var(--gold-400); font-size: 0.78rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; }
.modal-content h3 { font-size: clamp(1.4rem, 2vw, 1.9rem); margin-top: 0.4em; }
.modal-meta {
  display: flex; flex-wrap: wrap; gap: 0.5rem;
  margin: 1rem 0 1.2rem;
}
.modal-meta span {
  font-size: 0.76rem;
  padding: 0.35em 0.8em;
  border-radius: 999px;
  border: 1px solid var(--navy-border);
  color: var(--text-muted);
}
.modal-desc { color: var(--text); font-size: 0.98rem; }
.modal-awards {
  margin-top: 1.2rem;
  padding-top: 1.2rem;
  border-top: 1px solid var(--navy-border);
  font-size: 0.88rem;
  color: var(--text-muted);
}
.modal-awards b { color: var(--gold-400); display: block; margin-bottom: 0.3em; font-size: 0.76rem; letter-spacing: 0.08em; text-transform: uppercase; }

/* Logos strip ------------------------------------------------------------ */
.logos-strip {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: clamp(1.2rem, 3vw, 2.4rem);
  align-items: center;
}
.logos-strip img {
  width: 100%;
  height: auto;
  max-height: 46px;
  object-fit: contain;
  opacity: 0.85;
  transition: opacity 0.4s var(--ease), transform .4s var(--ease);
  margin: 0 auto;
}
.logos-strip img:hover { opacity: 1; transform: translateY(-2px); }

/* About / team ------------------------------------------------------------ */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 5rem);
  align-items: center;
}
.split img { border-radius: var(--radius); }
.split.split-text-only { grid-template-columns: 1fr; max-width: 760px; margin: 0 auto; }
.quote-block {
  border-left: 2px solid var(--gold-400);
  padding-left: 1.4rem;
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 1.8vw, 1.5rem);
  color: var(--text-hi);
  font-weight: 400;
  margin: 1.6rem 0;
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.6rem;
  max-width: 720px;
}
.team-card {
  background: var(--navy-800);
  border: 1px solid var(--navy-border);
  border-radius: var(--radius);
  overflow: hidden;
  text-align: center;
}
.team-card .photo { aspect-ratio: 1/1; overflow: hidden; }
.team-card img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(1); }
.team-card .info { padding: 1.4rem; }
.team-card h3 { margin-bottom: 0.2em; font-size: 1.15rem; }
.team-card span { color: var(--gold-400); font-size: 0.78rem; letter-spacing: 0.08em; text-transform: uppercase; font-weight: 700; }

/* Contact page ------------------------------------------------------------ */
.offices {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.6rem;
}
.office-card {
  background: var(--navy-800);
  border: 1px solid var(--navy-border);
  border-radius: var(--radius);
  padding: clamp(1.6rem, 3vw, 2.2rem);
}
.office-card .eyebrow { margin-bottom: 0.6em; }
.office-card a { display: block; color: var(--gold-400); font-weight: 700; font-size: 1.15rem; word-break: break-word; }
.office-card a:hover { text-decoration: underline; }

.contact-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.2rem;
}
.contact-form .full { grid-column: 1 / -1; }
.field label {
  display: block;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 0.5em;
  letter-spacing: 0.02em;
}
.field input, .field textarea {
  width: 100%;
  background: var(--navy-900);
  border: 1px solid var(--navy-border);
  border-radius: var(--radius-sm);
  padding: 0.85em 1em;
  color: var(--text-hi);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: border-color .3s var(--ease);
}
.field input:focus, .field textarea:focus {
  outline: none;
  border-color: var(--gold-400);
}
.field textarea { resize: vertical; min-height: 120px; }
.contact-form .full.actions { display: flex; justify-content: flex-start; margin-top: 0.4rem; }

/* Footer ------------------------------------------------------------------ */
.site-footer {
  background: var(--navy-950);
  border-top: 1px solid var(--navy-border);
  padding: clamp(3rem, 6vw, 5rem) 0 2rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 0.8fr 0.8fr 1fr;
  gap: 2.5rem;
  padding-bottom: clamp(2rem, 4vw, 3rem);
}
.footer-brand img { height: 44px; margin-bottom: 1.1rem; }
.footer-brand p { color: var(--text-muted); font-size: 0.9rem; max-width: 32ch; }
.footer-col h4 {
  font-family: var(--font-body);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-faint);
  margin-bottom: 1.1rem;
}
.footer-col li { margin-bottom: 0.65rem; }
.footer-col a, .footer-col span { color: var(--text-muted); font-size: 0.92rem; }
.footer-col a:hover { color: var(--gold-400); }
.footer-bottom {
  display: flex; justify-content: space-between; align-items: center;
  padding-top: 1.8rem;
  border-top: 1px solid var(--navy-border);
  font-size: 0.8rem;
  color: var(--text-faint);
  flex-wrap: wrap;
  gap: 0.8rem;
}
.footer-social { display: flex; gap: 0.9rem; }
.footer-social a {
  width: 36px; height: 36px; border-radius: 50%;
  border: 1px solid var(--navy-border);
  display: flex; align-items: center; justify-content: center;
  transition: border-color .3s var(--ease), color .3s var(--ease);
}
.footer-social a:hover { border-color: var(--gold-400); color: var(--gold-400); }
.footer-social a.is-hidden { display: none; }

/* Page hero (inner pages) -------------------------------------------------- */
.page-hero {
  padding: clamp(9rem, 14vw, 11rem) 0 clamp(3rem, 6vw, 4rem);
}
.page-hero .eyebrow { margin-bottom: 0.8em; }
.page-hero p.lede { max-width: 60ch; }
.breadcrumb {
  font-size: 0.8rem;
  color: var(--text-faint);
  margin-bottom: 1.4rem;
}
.breadcrumb a:hover { color: var(--gold-400); }

/* Reveal on scroll --------------------------------------------------------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}
[data-reveal].is-visible { opacity: 1; transform: translateY(0); }

/* Utility ------------------------------------------------------------------ */
.center-cta { text-align: center; }
.mt-lg { margin-top: clamp(2rem, 4vw, 3rem); }

/* Responsive ---------------------------------------------------------------- */
@media (max-width: 980px) {
  .nav-desktop, .header-actions .btn { display: none; }
  .nav-toggle { display: flex; }
  .stats { grid-template-columns: repeat(2, 1fr); row-gap: 1.6rem; }
  .pillars { grid-template-columns: 1fr; }
  .projects-grid { grid-template-columns: repeat(2, 1fr); }
  .logos-strip { grid-template-columns: repeat(3, 1fr); }
  .split { grid-template-columns: 1fr; }
  .split .split-media { order: -1; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .modal { grid-template-columns: 1fr; }
  .modal-media { min-height: 200px; }
  .offices { grid-template-columns: 1fr; }
}

@media (max-width: 620px) {
  .projects-grid { grid-template-columns: 1fr; }
  .team-grid { grid-template-columns: 1fr; }
  .contact-form { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .hero { align-items: flex-end; }
}