:root {
  --navy: #0A0E14;
  --navy-soft: #121826;
  --sapphire: #3D6FE0;
  --gold: #B08D57;
  --white: #F4F5F7;
  --grey: #8B93A3;
  --font-display: 'Fraunces', serif;
  --font-body: 'Inter', sans-serif;
  --radius: 4px;
  --max-w: 1200px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

body {
  margin: 0;
  background: var(--navy);
  color: var(--white);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { font-family: var(--font-display); font-weight: 500; line-height: 1.15; margin: 0 0 0.5em; }
h1 { font-size: clamp(2.2rem, 5vw, 4rem); }
h2 { font-size: clamp(1.6rem, 3.4vw, 2.6rem); }
h3 { font-size: clamp(1.1rem, 2vw, 1.4rem); }
p { color: var(--grey); margin: 0 0 1em; }

a { color: inherit; text-decoration: none; }

.skip-link {
  position: absolute; left: -999px; top: 0; background: var(--sapphire);
  color: #fff; padding: 12px 20px; z-index: 999;
}
.skip-link:focus { left: 12px; top: 12px; }

:focus-visible { outline: 2px solid var(--sapphire); outline-offset: 3px; }

/* ---------- Header ---------- */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; justify-content: center;
  padding: 20px 24px; transition: background 0.3s ease, padding 0.3s ease;
}
.site-header.scrolled {
  background: rgba(10,14,20,0.85); backdrop-filter: blur(10px);
  padding: 12px 24px; border-bottom: 1px solid rgba(255,255,255,0.06);
}
.header-inner {
  width: 100%; max-width: var(--max-w);
  display: flex; align-items: center; justify-content: space-between;
}
.logo { font-family: var(--font-display); font-size: 1.1rem; letter-spacing: 0.5px; }
.logo span { color: var(--gold); font-size: 0.7em; margin-left: 6px; }
.main-nav { display: none; align-items: center; gap: 28px; font-size: 0.9rem; }
.nav-phone { color: var(--gold); }
.lang-switch { display: flex; gap: 6px; font-size: 0.8rem; color: var(--grey); }
.lang-switch a { color: var(--grey); }
.lang-switch a.active { color: var(--gold); pointer-events: none; }
.lang-switch span { color: rgba(255,255,255,0.25); }
.mobile-menu .lang-switch { font-size: 1rem; margin-top: 8px; }
.mobile-toggle {
  display: flex; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 8px;
}
.mobile-toggle span { width: 22px; height: 2px; background: var(--white); }
.mobile-menu {
  position: fixed; inset: 0; background: var(--navy); z-index: 90;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 28px;
  font-size: 1.3rem;
}
.mobile-menu[hidden] { display: none; }

@media (min-width: 768px) {
  .main-nav { display: flex; }
  .mobile-toggle { display: none; }
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 14px 28px; border-radius: var(--radius); font-weight: 500; font-size: 0.95rem;
  border: 1px solid transparent; cursor: pointer; transition: transform 0.15s ease, background 0.2s ease, border-color 0.2s ease;
}
.btn-primary { background: var(--sapphire); color: #fff; }
.btn-primary:hover { background: #4c7ce8; transform: translateY(-1px); }
.btn-primary:active { transform: translateY(0); }
.btn-primary[disabled] { opacity: 0.5; cursor: not-allowed; transform: none; }
.btn-sm { padding: 9px 18px; font-size: 0.85rem; }
.btn-block { width: 100%; }

/* ---------- Layout / sections ---------- */
.section { padding: 100px 24px; max-width: var(--max-w); margin: 0 auto; }

.hero {
  position: relative; min-height: 100vh; max-width: none; padding: 0;
  display: flex; align-items: center;
}
.hero-scene-wrap { position: absolute; inset: 0; z-index: 0; overflow: hidden; }
.hero-poster, .hero-video {
  position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover;
}
.hero-poster { z-index: 1; }
.hero-video {
  z-index: 2; opacity: 0; transition: opacity 1s ease;
}
.hero-video.ready { opacity: 1; }
.hero::after {
  content: ''; position: absolute; inset: 0; z-index: 3;
  background: linear-gradient(90deg, rgba(10,14,20,0.95) 0%, rgba(10,14,20,0.55) 45%, rgba(10,14,20,0.15) 75%);
}
.hero-copy { position: relative; z-index: 4; max-width: 640px; padding: 0 24px; }
.eyebrow { color: var(--gold); text-transform: uppercase; letter-spacing: 1.5px; font-size: 0.75rem; margin-bottom: 16px; }
.hero-sub { max-width: 480px; margin-bottom: 28px; }

.problem h2 { max-width: 700px; }
.pain-list { list-style: none; padding: 0; margin: 0 0 24px; }
.pain-list li { color: var(--white); font-size: 1.1rem; padding-left: 20px; position: relative; margin-bottom: 8px; }
.pain-list li::before { content: '—'; position: absolute; left: 0; color: var(--gold); }
.problem-lead { max-width: 600px; font-size: 1.05rem; }

.mechanism { text-align: center; }
.mechanism h2, .mechanism p { max-width: 680px; margin-left: auto; margin-right: auto; }

.benefits { display: grid; gap: 24px; grid-template-columns: 1fr; }
@media (min-width: 768px) { .benefits { grid-template-columns: repeat(3, 1fr); } }
.benefit-card {
  background: var(--navy-soft); border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius); padding: 32px; transition: transform 0.2s ease, border-color 0.2s ease;
}
@media (hover: hover) {
  .benefit-card:hover { transform: translateY(-4px); border-color: var(--gold); }
}

.proof { text-align: center; }
.stats { display: grid; gap: 32px; grid-template-columns: repeat(3, 1fr); margin-bottom: 48px; }
.stat-num { display: block; font-family: var(--font-display); font-size: clamp(2rem, 5vw, 3rem); color: var(--gold); }
.stat-label { font-size: 0.85rem; color: var(--grey); }
.testimonial { max-width: 600px; margin: 0 auto; }
.testimonial p { color: var(--white); font-size: 1.2rem; font-family: var(--font-display); font-style: italic; }
.testimonial cite { color: var(--gold); font-style: normal; font-size: 0.85rem; }

.accordion-item { border-bottom: 1px solid rgba(255,255,255,0.08); }
.accordion-trigger {
  width: 100%; text-align: left; background: none; border: none; color: var(--white);
  font-family: var(--font-display); font-size: 1.1rem; padding: 20px 0; cursor: pointer;
  display: flex; justify-content: space-between; align-items: center;
}
.accordion-trigger::after { content: '+'; color: var(--gold); font-size: 1.4rem; }
.accordion-trigger[aria-expanded="true"]::after { content: '−'; }
.accordion-panel { padding: 0 0 20px; }
.accordion-panel[hidden] { display: none; }

.offer { text-align: center; }
.offer-sub { max-width: 480px; margin: 0 auto 40px; }
.consult-form { max-width: 480px; margin: 0 auto; text-align: left; }
.field { margin-bottom: 18px; }
.field label { display: block; font-size: 0.85rem; margin-bottom: 6px; color: var(--grey); }
.field input, .field textarea {
  width: 100%; background: var(--navy-soft); border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius); padding: 12px 14px; color: var(--white); font-family: var(--font-body); font-size: 0.95rem;
}
.field input:focus, .field textarea:focus { border-color: var(--sapphire); }
.field input[aria-invalid="true"], .field textarea[aria-invalid="true"] { border-color: #E0603D; }
.field-error { display: block; color: #E0603D; font-size: 0.8rem; margin-top: 4px; min-height: 1em; }
.form-status { margin-top: 16px; font-size: 0.9rem; color: var(--gold); }
.contact-direct { margin-top: 40px; display: flex; gap: 24px; justify-content: center; flex-wrap: wrap; }
.contact-direct a { color: var(--gold); }

.site-footer {
  padding: 32px 24px; display: flex; justify-content: space-between; align-items: center;
  border-top: 1px solid rgba(255,255,255,0.06); font-size: 0.8rem; color: var(--grey);
  flex-wrap: wrap; gap: 12px;
}
.footer-links { display: flex; gap: 16px; }

@media (max-width: 480px) {
  .stats { grid-template-columns: 1fr; gap: 24px; }
  .section { padding: 72px 20px; }
}

/* ---------- Projects page ---------- */
.projects-hero {
  padding: 160px 24px 40px; text-align: center;
}
.projects-hero h1 { max-width: 780px; margin: 0 auto 16px; }
.projects-hero p { max-width: 560px; margin: 0 auto; }

.filter-bar {
  display: flex; gap: 12px; justify-content: center; flex-wrap: wrap;
  padding: 0 24px 48px; max-width: var(--max-w); margin: 0 auto;
}
.filter-btn {
  background: none; border: 1px solid rgba(255,255,255,0.15); color: var(--grey);
  padding: 9px 18px; border-radius: 999px; font-size: 0.85rem; cursor: pointer;
  transition: border-color 0.2s ease, color 0.2s ease;
}
.filter-btn:hover, .filter-btn[aria-pressed="true"] {
  border-color: var(--gold); color: var(--gold);
}

.gallery-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 4px;
  max-width: 1400px; margin: 0 auto; padding: 0 4px 80px;
}
@media (max-width: 900px) { .gallery-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .gallery-grid { grid-template-columns: 1fr; } }

.gallery-item {
  position: relative; overflow: hidden; aspect-ratio: 4 / 3; cursor: pointer;
  background: var(--navy-soft);
}
.gallery-item img {
  width: 100%; height: 100%; object-fit: cover; display: block;
  transition: transform 0.5s ease;
}
@media (hover: hover) {
  .gallery-item:hover img { transform: scale(1.06); }
}
.gallery-caption {
  position: absolute; inset: auto 0 0 0; padding: 16px;
  background: linear-gradient(0deg, rgba(10,14,20,0.85), transparent);
  color: var(--white); font-size: 0.85rem; letter-spacing: 0.5px;
  opacity: 0; transition: opacity 0.3s ease;
}
@media (hover: hover) {
  .gallery-item:hover .gallery-caption { opacity: 1; }
}
@media (hover: none) {
  .gallery-caption { opacity: 1; background: linear-gradient(0deg, rgba(10,14,20,0.9), transparent 70%); }
}
.gallery-item[hidden] { display: none; }

/* Lightbox */
.lightbox {
  position: fixed; inset: 0; z-index: 200; background: rgba(6,8,12,0.96);
  display: flex; align-items: center; justify-content: center; padding: 40px;
}
.lightbox[hidden] { display: none; }
.lightbox img { max-width: 100%; max-height: 85vh; object-fit: contain; }
.lightbox-caption {
  position: absolute; bottom: 24px; left: 0; right: 0; text-align: center;
  color: var(--grey); font-size: 0.9rem;
}
.lightbox-close, .lightbox-prev, .lightbox-next {
  position: absolute; background: none; border: none; color: var(--white);
  cursor: pointer; font-size: 1.6rem; padding: 12px; line-height: 1;
}
.lightbox-close { top: 16px; right: 16px; }
.lightbox-prev { left: 8px; top: 50%; transform: translateY(-50%); font-size: 2rem; }
.lightbox-next { right: 8px; top: 50%; transform: translateY(-50%); font-size: 2rem; }
@media (max-width: 600px) {
  .lightbox { padding: 16px; }
  .lightbox-prev, .lightbox-next { font-size: 1.6rem; padding: 8px; }
}

/* ---------- Services page ---------- */
.services-hero {
  padding: 160px 24px 24px; text-align: center;
}
.services-hero h1 { max-width: 780px; margin: 0 auto 16px; }
.services-hero p { max-width: 620px; margin: 0 auto; }

.services-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px;
  max-width: var(--max-w); margin: 0 auto; padding: 40px 24px 80px;
}
@media (max-width: 768px) { .services-grid { grid-template-columns: 1fr; } }

.service-category {
  background: var(--navy-soft); border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius); padding: 32px;
}
.service-category h3 { color: var(--gold); font-size: 1.15rem; margin-bottom: 4px; }
.service-list { list-style: none; padding: 0; margin: 16px 0 0; }
.service-list li {
  color: var(--white); font-size: 0.95rem; padding: 8px 0 8px 20px; position: relative;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}
.service-list li:last-child { border-bottom: none; }
.service-list li::before { content: '—'; position: absolute; left: 0; color: var(--sapphire); }