/* ============================================
   SLING AIRCRAFT URUGUAY — Global Styles
   ============================================ */

:root {
  --color-bg: #0a0a0a;
  --color-bg-2: #111;
  --color-bg-3: #161616;
  --color-surface: #1a1a1a;
  --color-line: #2a2a2a;
  --color-text: #f5f5f5;
  --color-text-dim: #a8a8a8;
  --color-text-mute: #707070;
  --color-accent: #EE202E;
  --color-accent-2: #c9111e;
  --color-white: #ffffff;
  --font-display: 'Barlow Condensed', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;
  --container: 1240px;
  --radius: 4px;
  --shadow-lg: 0 25px 60px -20px rgba(0,0,0,0.6);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  font-weight: 400;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: color .2s ease; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }

.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }

/* ============ Typography ============ */
h1,h2,h3,h4,h5 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.01em;
  text-transform: uppercase;
}
h1 { font-size: clamp(2.5rem, 6vw, 5.5rem); }
h2 { font-size: clamp(2rem, 4.2vw, 3.6rem); }
h3 { font-size: clamp(1.6rem, 2.8vw, 2.4rem); }
h4 { font-size: 1.25rem; }
p  { color: var(--color-text-dim); font-size: 1rem; }

.section-eyebrow {
  font-family: var(--font-body);
  text-transform: uppercase;
  letter-spacing: .2em;
  font-size: .75rem;
  color: var(--color-accent);
  font-weight: 600;
  margin-bottom: 1rem;
}
.section-eyebrow.center { text-align: center; }
.section-eyebrow.light { color: rgba(255,255,255,.85); }

.section-title { margin-bottom: 1.25rem; color: var(--color-white); }
.section-title.center { text-align: center; }
.section-title.light { color: white; }

.section-lead {
  font-size: 1.1rem;
  color: var(--color-text-dim);
  max-width: 640px;
  margin-bottom: 1.5rem;
}
.section-lead.center { text-align: center; margin-left: auto; margin-right: auto; }
.section-lead.light { color: rgba(255,255,255,.85); }

/* ============ Buttons ============ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 32px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all .25s ease;
  border: 2px solid transparent;
}
.btn-primary {
  background: var(--color-accent);
  color: white;
}
.btn-primary:hover { background: var(--color-accent-2); transform: translateY(-2px); }
.btn-ghost {
  border-color: rgba(255,255,255,.4);
  color: white;
  background: transparent;
}
.btn-ghost:hover { border-color: white; background: rgba(255,255,255,.08); }
.btn-outline {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: transparent;
}
.btn-outline:hover { background: var(--color-accent); color: white; }
.btn-block { width: 100%; }

.link-arrow {
  display: inline-block;
  color: var(--color-accent);
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  font-size: .95rem;
  border-bottom: 1px solid transparent;
  transition: border-color .2s;
}
.link-arrow:hover { border-color: var(--color-accent); }

/* ============ Utility bar ============ */
.utility-bar {
  background: #000;
  border-bottom: 1px solid var(--color-line);
  font-size: .78rem;
}
.utility-inner {
  display: flex;
  justify-content: space-between;
  padding: 10px 24px;
  color: var(--color-text-dim);
}
.utility-links a { margin-right: 22px; letter-spacing: .08em; text-transform: uppercase; }
.utility-links a:hover { color: white; }
.lang-toggle { display: inline-flex; gap: 6px; align-items: center; }
.lang-btn {
  font-family: inherit;
  font-size: .78rem;
  color: var(--color-text-mute);
  letter-spacing: .1em;
  transition: color .2s;
}
.lang-btn.active { color: white; font-weight: 600; }
.lang-btn:hover { color: white; }

/* ============ Header ============ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10,10,10,0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-line);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 24px;
  gap: 32px;
}
.logo img { height: 44px; width: auto; }
.main-nav ul { display: flex; gap: 30px; }
.main-nav a {
  font-family: var(--font-display);
  text-transform: uppercase;
  font-weight: 600;
  letter-spacing: .12em;
  font-size: .9rem;
  color: var(--color-text);
  position: relative;
  padding: 8px 0;
}
.main-nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: width .25s ease;
}
.main-nav a:hover::after { width: 100%; }
.header-cta { padding: 10px 22px; font-size: .85rem; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}
.nav-toggle span {
  width: 26px;
  height: 2px;
  background: white;
  transition: all .25s;
}

/* ============ Hero ============ */
.hero {
  position: relative;
  height: 100vh;
  min-height: 640px;
  overflow: hidden;
  display: flex;
  align-items: center;
  background: #000 url('../img/hero.jpg') center/cover no-repeat;
}
.hero-video { display: none; }
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,.35) 0%, rgba(0,0,0,.65) 70%, rgba(10,10,10,1) 100%);
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 900px;
}
.hero-eyebrow {
  font-family: var(--font-body);
  text-transform: uppercase;
  letter-spacing: .3em;
  font-size: .8rem;
  color: var(--color-accent);
  font-weight: 600;
  margin-bottom: 1.5rem;
}
.hero-title {
  color: white;
  font-weight: 800;
  margin-bottom: 1.5rem;
}
.hero-subtitle {
  font-size: 1.2rem;
  color: rgba(255,255,255,.85);
  max-width: 620px;
  margin-bottom: 2.5rem;
  line-height: 1.55;
}
.hero-cta { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-scroll {
  position: absolute;
  bottom: 50px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  text-align: center;
  color: rgba(255,255,255,.65);
  font-size: .75rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  font-family: var(--font-display);
}
.scroll-line {
  width: 1px;
  height: 50px;
  background: linear-gradient(180deg, rgba(255,255,255,.6), transparent);
  margin: 12px auto 0;
  animation: scrollLine 2s infinite;
}
@keyframes scrollLine {
  0%,100% { transform: scaleY(1); opacity: .6; }
  50%     { transform: scaleY(.4); opacity: 1; }
}

/* ============ Stats ============ */
.stats {
  background: var(--color-bg-2);
  border-top: 1px solid var(--color-line);
  border-bottom: 1px solid var(--color-line);
  padding: 60px 0;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
  text-align: center;
}
.stat-num {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 4vw, 3.6rem);
  font-weight: 800;
  color: white;
  line-height: 1;
  margin-bottom: 6px;
}
.stat-label {
  font-size: .85rem;
  color: var(--color-text-mute);
  text-transform: uppercase;
  letter-spacing: .12em;
}

/* ============ About ============ */
.about { padding: 120px 0; background: var(--color-bg); }
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.about-text p { margin-bottom: 1.2rem; }
.about-image {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.about-image img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 4/3; }
.about-image::after {
  content: '';
  position: absolute;
  inset: 0;
  border: 1px solid rgba(255,255,255,.05);
  pointer-events: none;
}

/* ============ Models ============ */
.models { padding: 120px 0; background: var(--color-bg-2); }
.model-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  margin-top: 60px;
}
.model-card {
  background: var(--color-bg-3);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform .35s ease, border-color .25s;
}
.model-card:hover { transform: translateY(-6px); border-color: var(--color-accent); }
.model-img {
  position: relative;
  aspect-ratio: 16/10;
  overflow: hidden;
  background: #000;
}
.model-img img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform .6s ease;
}
.model-card:hover .model-img img { transform: scale(1.06); }
.model-body { padding: 32px; }
.model-tag {
  display: inline-block;
  background: rgba(238,32,46,.15);
  color: var(--color-accent);
  padding: 4px 12px;
  border-radius: 999px;
  font-size: .72rem;
  text-transform: uppercase;
  letter-spacing: .15em;
  font-weight: 600;
  margin-bottom: 14px;
}
.model-name {
  color: white;
  margin-bottom: 12px;
}
.model-desc { margin-bottom: 24px; }
.model-specs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  padding: 20px 0;
  border-top: 1px solid var(--color-line);
  border-bottom: 1px solid var(--color-line);
  margin-bottom: 24px;
}
.model-specs li {
  display: flex;
  flex-direction: column;
}
.model-specs span {
  font-size: .7rem;
  color: var(--color-text-mute);
  text-transform: uppercase;
  letter-spacing: .1em;
  margin-bottom: 4px;
}
.model-specs b {
  color: white;
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
}

/* ============ Features ============ */
.features {
  padding: 90px 0;
  background: var(--color-bg);
  border-top: 1px solid var(--color-line);
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(4,1fr);
  gap: 40px;
}
.feature { text-align: left; }
.feature-icon {
  width: 56px; height: 56px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(238,32,46,.12);
  color: var(--color-accent);
  border-radius: var(--radius);
  font-size: 1.6rem;
  margin-bottom: 20px;
}
.feature h4 { color: white; margin-bottom: 10px; }
.feature p { font-size: .92rem; }

/* ============ Showcase ============ */
.showcase { padding: 120px 0; background: var(--color-bg-2); }
.showcase-grid {
  display: grid;
  grid-template-columns: repeat(3,1fr);
  gap: 24px;
  margin-top: 60px;
}
.show-item {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 4/5;
}
.show-item img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform .5s ease;
}
.show-item:hover img { transform: scale(1.08); }
.show-cap {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 20px;
  background: linear-gradient(180deg, transparent, rgba(0,0,0,.85));
  color: white;
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: .1em;
  font-weight: 600;
}

/* ============ Support ============ */
.support {
  padding: 120px 0;
  background: var(--color-bg);
}
.support-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.support-list {
  margin: 1.5rem 0 2rem;
}
.support-list li {
  padding: 12px 0 12px 28px;
  position: relative;
  color: var(--color-text-dim);
  border-bottom: 1px solid var(--color-line);
}
.support-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-accent);
  font-weight: 700;
}
.support-image {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.support-image img { aspect-ratio: 4/3; object-fit: cover; }

/* ============ News ============ */
.news { padding: 120px 0; background: var(--color-bg-2); }
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 60px;
}
.news-card {
  background: var(--color-bg-3);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform .3s ease, border-color .25s;
}
.news-card:hover { transform: translateY(-4px); border-color: var(--color-accent); }
.news-img {
  aspect-ratio: 16/10;
  background-size: cover;
  background-position: center;
}
.news-body { padding: 24px; }
.news-date {
  font-family: var(--font-display);
  font-size: .8rem;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: .15em;
  font-weight: 600;
  margin-bottom: 8px;
  display: block;
}
.news-card h4 { color: white; margin-bottom: 10px; }
.news-card p { font-size: .92rem; }

/* ============ Contact ============ */
.contact {
  padding: 120px 0;
  background:
    linear-gradient(180deg, rgba(10,10,10,.85), rgba(10,10,10,.95)),
    url('../img/interior.jpg') center/cover no-repeat;
  position: relative;
}
.contact-inner { max-width: 720px; margin: 0 auto; }
.contact-form {
  margin-top: 40px;
  background: rgba(0,0,0,.5);
  border: 1px solid var(--color-line);
  padding: 36px;
  border-radius: var(--radius);
  backdrop-filter: blur(10px);
}
.contact-form .row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}
.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  padding: 14px 16px;
  background: rgba(255,255,255,.04);
  border: 1px solid var(--color-line);
  color: white;
  font-family: var(--font-body);
  font-size: .95rem;
  border-radius: var(--radius);
  transition: border-color .2s;
}
.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--color-accent);
}
.contact-form textarea {
  resize: vertical;
  margin-bottom: 20px;
}
.contact-form select option { background: #1a1a1a; }
::placeholder { color: var(--color-text-mute); }

/* ============ Footer ============ */
.footer {
  background: #050505;
  padding: 80px 0 0;
  border-top: 1px solid var(--color-line);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 60px;
  padding-bottom: 60px;
}
.footer-logo { height: 50px; margin-bottom: 20px; }
.footer-col h5 {
  color: white;
  margin-bottom: 20px;
  font-size: 1rem;
}
.footer-col ul li {
  padding: 6px 0;
  color: var(--color-text-dim);
  font-size: .92rem;
}
.footer-col a:hover { color: var(--color-accent); }
.social { display: flex; gap: 12px; margin-top: 20px; }
.social a {
  width: 38px; height: 38px;
  display: flex; align-items: center; justify-content: center;
  border: 1px solid var(--color-line);
  border-radius: 50%;
  font-size: .8rem;
  font-weight: 600;
  transition: all .2s;
}
.social a:hover { border-color: var(--color-accent); background: var(--color-accent); color: white; }

.footer-bottom {
  border-top: 1px solid var(--color-line);
  padding: 24px 0;
  font-size: .8rem;
  color: var(--color-text-mute);
}
.footer-bottom .container {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

/* ============ Model sub-page ============ */
.model-hero {
  padding-top: 80px;
  padding-bottom: 80px;
  background: var(--color-bg-2);
  border-bottom: 1px solid var(--color-line);
}
.model-hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.model-hero-img {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.spec-table {
  width: 100%;
  border-collapse: collapse;
  margin: 40px 0;
}
.spec-table th, .spec-table td {
  text-align: left;
  padding: 16px 12px;
  border-bottom: 1px solid var(--color-line);
}
.spec-table th {
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--color-text-mute);
  font-weight: 600;
  font-size: .82rem;
  width: 40%;
}
.spec-table td {
  color: white;
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
}
.spec-section { padding: 100px 0; }
.spec-section h2 { margin-bottom: 30px; }
.back-link {
  display: inline-block;
  margin-bottom: 20px;
  color: var(--color-text-mute);
  font-size: .85rem;
  letter-spacing: .1em;
  text-transform: uppercase;
}
.back-link:hover { color: var(--color-accent); }

/* ============ Responsive ============ */
@media (max-width: 980px) {
  .main-nav { display: none; }
  .main-nav.open {
    display: block;
    position: fixed;
    top: 78px;
    left: 0; right: 0; bottom: 0;
    background: var(--color-bg);
    padding: 40px 24px;
    border-top: 1px solid var(--color-line);
  }
  .main-nav.open ul {
    flex-direction: column;
    gap: 0;
  }
  .main-nav.open li { border-bottom: 1px solid var(--color-line); }
  .main-nav.open a { display: block; padding: 18px 0; font-size: 1.1rem; }
  .nav-toggle { display: flex; }
  .header-cta { display: none; }
  .utility-links a { margin-right: 14px; }

  .about-grid,
  .support-grid,
  .model-hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .stats-grid { grid-template-columns: repeat(2,1fr); }
  .model-cards { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: repeat(2,1fr); }
  .showcase-grid { grid-template-columns: 1fr; }
  .news-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
  .contact-form .row { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
  .utility-bar { display: none; }
  .stats-grid { grid-template-columns: 1fr 1fr; gap: 24px; }
  .features-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero { min-height: 560px; }
  .hero-subtitle { font-size: 1rem; }
  .about, .models, .features, .showcase, .support, .news, .contact { padding: 70px 0; }
  .contact-form { padding: 24px; }
}