/* Rexyy Development — Business website styles */

:root {
  /* Brand palette — matched to Rexyy Development logo */
  --brand-orange: #F15A24;
  --brand-orange-light: #FF7A3D;
  --brand-orange-dark: #B3461B;
  --brand-black: #000000;

  --bg: #050505;
  --bg-alt: #0c0c0c;
  --bg-card: #111111;
  --bg-elevated: #181818;
  --border: rgba(255, 255, 255, 0.08);
  --border-hover: rgba(241, 90, 36, 0.35);
  --text: #f4f4f6;
  --text-muted: #9898a8;
  --text-subtle: #6b6b7b;
  --accent: var(--brand-orange);
  --accent-hover: var(--brand-orange-light);
  --accent-dark: var(--brand-orange-dark);
  --accent-soft: rgba(241, 90, 36, 0.12);
  --accent-glow: rgba(241, 90, 36, 0.28);
  --accent-gradient: linear-gradient(135deg, var(--brand-orange) 0%, var(--brand-orange-dark) 100%);
  --success: #34d399;
  --error: #f87171;
  --radius-sm: 8px;
  --radius: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.45);
  --header-h: 72px;
  --container: min(1140px, calc(100% - 2rem));
  --space-xs: 0.5rem;
  --space-sm: 0.75rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-section: 5rem;
  --font: 'DM Sans', system-ui, -apple-system, sans-serif;
  --font-display: 'Instrument Sans', 'DM Sans', sans-serif;
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

body.nav-open { overflow: hidden; }

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }
ul { list-style: none; }

.container { width: var(--container); margin-inline: auto; }

.skip-link {
  position: absolute; top: -100%; left: 1rem; z-index: 9999;
  padding: 0.75rem 1rem; background: var(--accent); color: #fff;
  border-radius: var(--radius-sm); font-weight: 600;
}
.skip-link:focus { top: 1rem; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  padding: 0.875rem 1.5rem; border-radius: var(--radius);
  font-weight: 600; font-size: 0.9375rem; line-height: 1.2;
  transition: var(--transition); white-space: nowrap;
  min-height: 48px; border: 1px solid transparent;
}
.btn-sm { padding: 0.625rem 1.125rem; font-size: 0.875rem; min-height: 40px; }
.btn-full { width: 100%; }

.btn-primary {
  background: var(--accent-gradient); color: #fff;
  box-shadow: 0 4px 20px var(--accent-glow);
}
.btn-primary:hover {
  background: linear-gradient(135deg, var(--brand-orange-light) 0%, var(--brand-orange) 100%);
  transform: translateY(-1px);
}
.btn-primary:active { transform: translateY(0); }
.btn-primary:focus-visible,
.btn-outline:focus-visible,
.btn-ghost:focus-visible,
.lang-btn:focus-visible,
.nav-link:focus-visible,
.burger:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
.btn:disabled { opacity: 0.6; cursor: not-allowed; transform: none !important; }

.btn-lg { padding: 1rem 1.75rem; font-size: 1rem; min-height: 52px; }

.btn-arrow::after {
  content: '\2192';
  transition: transform var(--transition);
}
.btn-arrow:hover::after { transform: translateX(3px); }

.btn-outline {
  border-color: var(--border-hover); color: var(--text);
  background: transparent;
}
.btn-outline:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-soft); }

.btn-ghost { color: var(--text-muted); background: transparent; }
.btn-ghost:hover { color: var(--text); background: rgba(255,255,255,0.05); }

.is-disabled { opacity: 0.5; pointer-events: none; }

.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  height: var(--header-h);
  background: rgba(5, 5, 5, 0.88);
  backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  transition: var(--transition);
}
.site-header.is-scrolled { border-bottom-color: var(--border); background: rgba(5, 5, 5, 0.96); }

.header-inner {
  position: relative;
  display: flex; align-items: center; justify-content: space-between;
  height: var(--header-h); gap: 1rem;
}

.brand { display: flex; align-items: center; gap: 0.75rem; flex-shrink: 0; }
.brand-logo { width: 40px; height: 40px; object-fit: contain; }
.brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.brand-text strong { font-family: var(--font-display); font-size: 0.9375rem; font-weight: 700; }
.brand-text small { font-size: 0.6875rem; color: var(--text-muted); font-weight: 500; }

body.nav-open {
  overflow: hidden;
  touch-action: none;
}
body.nav-open .site-header {
  z-index: 1110;
}

.site-nav { display: flex; align-items: center; }
.nav-list { display: flex; align-items: center; gap: 0.25rem; list-style: none; }

.nav-backdrop {
  position: fixed; inset: 0;
  background: rgba(0, 0, 0, 0.6);
  z-index: 1090;
  opacity: 0; visibility: hidden;
  pointer-events: none;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}
.nav-backdrop.is-visible {
  opacity: 1; visibility: visible; pointer-events: auto;
}

@media (min-width: 1025px) {
  .site-nav {
    position: fixed;
    top: 0; left: 50%;
    height: var(--header-h);
    transform: translateX(-50%);
    z-index: 1001;
    background: transparent;
    pointer-events: auto;
  }
  .nav-backdrop { display: none !important; }
}

.nav-link {
  padding: 0.5rem 0.875rem; border-radius: var(--radius-sm);
  font-size: 0.875rem; font-weight: 500; color: var(--text-muted);
  transition: var(--transition);
}
.nav-link:hover, .nav-link.is-active { color: var(--text); background: rgba(255,255,255,0.05); }
.nav-link.is-active { color: var(--accent); }

.nav-cta-mobile { display: none; margin-top: 1rem; padding-top: 1rem; border-top: 1px solid var(--border); }

.header-actions { display: flex; align-items: center; gap: 0.75rem; }

.lang-switcher {
  display: flex; align-items: center; gap: 0.25rem;
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 0.25rem;
}
.lang-btn {
  padding: 0.375rem 0.625rem; border-radius: 6px;
  font-size: 0.75rem; font-weight: 700; color: var(--text-muted);
  transition: var(--transition); min-width: 36px;
}
.lang-btn.active, .lang-btn:hover { color: var(--text); background: rgba(255,255,255,0.08); }
.lang-btn.active { color: var(--accent); }
.lang-divider { color: var(--text-subtle); font-size: 0.75rem; user-select: none; }

.header-cta { display: inline-flex; }

.burger {
  display: none; flex-direction: column; justify-content: center; gap: 5px;
  width: 44px; height: 44px; padding: 10px;
  position: relative; z-index: 1100;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
  cursor: pointer;
}
.burger span {
  display: block; height: 2px; background: var(--text);
  border-radius: 2px; transition: var(--transition);
}
.burger.is-active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger.is-active span:nth-child(2) { opacity: 0; }
.burger.is-active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.section { padding: var(--space-section) 0; }
.section-alt { background: var(--bg-alt); }
.section-work {
  background:
    radial-gradient(ellipse 70% 50% at 50% 0%, rgba(241, 90, 36, 0.05), transparent),
    var(--bg);
}
.section-label {
  font-size: 0.75rem; font-weight: 700; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--accent); margin-bottom: 0.75rem;
}
.section-header { max-width: 640px; margin-bottom: 3rem; }
.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700; line-height: 1.15; letter-spacing: -0.02em;
  margin-bottom: 1rem;
}
.section-subtitle { color: var(--text-muted); font-size: 1.0625rem; max-width: 56ch; line-height: 1.65; }
.section-cta { margin-top: 2.5rem; text-align: center; }

.hero {
  padding-top: calc(var(--header-h) + 3rem);
  padding-bottom: 4rem;
  min-height: min(90vh, 900px);
  display: flex; align-items: center;
  background:
    radial-gradient(ellipse 80% 60% at 70% 20%, rgba(241, 90, 36, 0.09), transparent),
    radial-gradient(ellipse 50% 40% at 10% 80%, rgba(179, 70, 27, 0.06), transparent);
}

.hero-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: center;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.25rem);
  font-weight: 700; line-height: 1.1; letter-spacing: -0.03em;
  margin-bottom: 1.25rem;
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.125rem);
  color: var(--text-muted); margin-bottom: 1rem; max-width: 520px;
}

.hero-tags {
  font-size: 0.8125rem; color: var(--text-subtle);
  letter-spacing: 0.04em; margin-bottom: 2rem;
}

.hero-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; }

.hero-visual-card { position: relative; }
.hero-mockup {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); overflow: hidden;
    box-shadow: var(--shadow-lg);
}
.mockup-bar {
  display: flex; gap: 6px; padding: 12px 16px;
  background: var(--bg-elevated); border-bottom: 1px solid var(--border);
}
.mockup-bar span {
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--text-subtle); opacity: 0.5;
}
.mockup-screen img { width: 100%; aspect-ratio: 16/10; object-fit: cover; object-position: top; }
.mockup-screen .device-composition { padding: 1rem; min-height: auto; }
.mockup-screen .device-mockup--desktop img { aspect-ratio: 16/10; }
.mockup-screen .device-mockup--mobile img { aspect-ratio: 9/16; }

.device-composition--hero {
  align-items: flex-end;
  min-height: auto;
}
.device-composition--hero .device-mockup--mobile {
  width: 28%;
  max-width: 120px;
  margin-bottom: -0.5rem;
}

.hero-actions .btn-primary { box-shadow: 0 4px 24px var(--accent-glow); }

.trust-strip {
  display: flex; flex-wrap: wrap; justify-content: center; align-items: center;
  gap: 1rem 2rem; padding: 1.25rem var(--space-md);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.02);
}
.trust-item {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-size: 0.8125rem; font-weight: 600; color: var(--text-muted);
  letter-spacing: 0.02em;
}
.trust-item i { color: var(--accent); font-size: 0.75rem; }

.featured-projects { display: flex; flex-direction: column; gap: 6rem; }

.featured-project {
  display: grid; grid-template-columns: 1.15fr 0.85fr; gap: var(--space-2xl); align-items: center;
}
.featured-project:nth-child(even) { direction: rtl; }
.featured-project:nth-child(even) > * { direction: ltr; }

.featured-project__visual { position: relative; }

.device-composition {
  position: relative; display: flex; align-items: flex-end; gap: 0.75rem;
  min-height: 300px;
}

.device-mockup {
  border-radius: var(--radius); overflow: hidden;
  border: 1px solid var(--border); background: var(--bg-card);
  box-shadow: var(--shadow-lg);
  transition: transform var(--transition), box-shadow var(--transition);
}
.featured-project:hover .device-mockup--desktop { transform: translateY(-2px); }
.device-mockup--desktop { flex: 1; z-index: 1; }
.device-mockup--mobile {
  width: 26%; max-width: 130px; flex-shrink: 0;
  margin-bottom: -0.75rem; z-index: 2;
  border-radius: 16px;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5);
}
.featured-img { width: 100%; aspect-ratio: 16/10; object-fit: cover; object-position: top; }
.featured-img--mobile { aspect-ratio: 9/16; }

.img-placeholder {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 0.75rem; aspect-ratio: 16/10; background: var(--bg-elevated);
  color: var(--text-subtle); font-size: 0.8125rem; text-align: center; padding: 1rem;
}
.img-placeholder i { font-size: 2rem; opacity: 0.4; }
.device-mockup--mobile .img-placeholder { aspect-ratio: 9/16; }

.project-num {
  font-family: var(--font-display); font-size: 3rem; font-weight: 700;
  line-height: 1; display: block; margin-bottom: 0.5rem;
  background: linear-gradient(135deg, var(--brand-orange), rgba(179, 70, 27, 0.45));
  -webkit-background-clip: text; background-clip: text;
  color: transparent;
}

.project-badge {
  display: inline-block; padding: 0.25rem 0.625rem;
  background: var(--accent-soft); color: var(--accent);
  border-radius: 999px; font-size: 0.6875rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 0.75rem;
}
.project-badge--sm { font-size: 0.625rem; position: absolute; top: 0.75rem; left: 0.75rem; }

.project-meta {
  color: var(--text-subtle); font-size: 0.8125rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 0.875rem;
}
.project-name {
  font-family: var(--font-display); font-size: clamp(1.375rem, 3vw, 1.75rem); font-weight: 700;
  margin-bottom: 0.5rem; letter-spacing: -0.02em; line-height: 1.15;
}
.project-category { color: var(--accent); font-size: 0.875rem; font-weight: 600; margin-bottom: 0.75rem; }
.project-desc { color: var(--text-muted); margin-bottom: 1.25rem; font-size: 0.9375rem; max-width: 52ch; line-height: 1.65; }

.project-tags { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 1.5rem; }
.project-tag {
  padding: 0.3125rem 0.75rem; background: rgba(255,255,255,0.04);
  border: 1px solid var(--border); border-radius: 999px;
  font-size: 0.75rem; font-weight: 600; color: var(--text-muted);
}

.project-tech { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 1.5rem; }
.tech-tag {
  padding: 0.25rem 0.625rem; background: rgba(255,255,255,0.05);
  border: 1px solid var(--border); border-radius: 999px;
  font-size: 0.75rem; color: var(--text-muted);
}

.project-actions { display: flex; flex-wrap: wrap; gap: 0.625rem; }

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}
.service-card {
  padding: 1.75rem; background: var(--bg-card);
  border: 1px solid var(--border); border-radius: var(--radius-lg);
  transition: var(--transition);
}
.service-card--wide { grid-column: span 2; }
.service-card:hover {
  border-color: var(--border-hover); transform: translateY(-3px);
  box-shadow: var(--shadow);
}
.service-icon {
  width: 48px; height: 48px; display: flex; align-items: center; justify-content: center;
  background: var(--accent-soft); color: var(--accent);
  border-radius: var(--radius); font-size: 1.125rem; margin-bottom: 1.25rem;
}
.service-card h3 {
  font-family: var(--font-display); font-size: 1.0625rem; font-weight: 700;
  margin-bottom: 0.625rem;
}
.service-card p { color: var(--text-muted); font-size: 0.875rem; line-height: 1.55; }

.why-list {
  display: flex; flex-direction: column;
  border: 1px solid var(--border); border-radius: var(--radius-xl);
  background: var(--bg-card); overflow: hidden;
}
.why-item {
  display: grid; grid-template-columns: 88px 1fr; gap: 1.5rem;
  padding: 1.75rem 2rem; border-bottom: 1px solid var(--border);
  transition: background var(--transition);
}
.why-item:last-child { border-bottom: none; }
.why-item:hover { background: rgba(255, 255, 255, 0.02); }
.why-item__num {
  font-family: var(--font-display); font-size: 2rem; font-weight: 700;
  line-height: 1; color: var(--accent); opacity: 0.85; padding-top: 0.25rem;
}
.why-item__head {
  display: flex; align-items: center; gap: 0.875rem; margin-bottom: 0.625rem;
}
.why-item__content h3 { font-size: 1.0625rem; font-weight: 700; margin: 0; }
.why-item__content p { color: var(--text-muted); font-size: 0.875rem; line-height: 1.6; margin: 0; }
.why-icon {
  width: 40px; height: 40px; display: flex; align-items: center; justify-content: center;
  background: var(--accent-soft); color: var(--accent); border-radius: var(--radius);
  font-size: 0.9375rem; flex-shrink: 0;
}

.projects-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-xl);
}
.project-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); overflow: hidden;
  transition: var(--transition);
  display: flex; flex-direction: column;
}
.project-card:hover { border-color: var(--border-hover); transform: translateY(-4px); box-shadow: var(--shadow); }
.project-card__visual { position: relative; overflow: hidden; background: var(--bg-elevated); }
.project-card__screenshots {
  position: relative; display: grid; grid-template-columns: 1fr; min-height: 200px;
}
.device-composition--compact {
  padding: 1rem; min-height: 180px; align-items: flex-end;
}
.device-composition--compact .device-mockup--mobile {
  width: 24%; max-width: 100px; margin-bottom: -0.5rem;
}
.device-composition--compact .project-card__img { aspect-ratio: 16/10; }
.device-composition--compact .project-card__img--mobile { aspect-ratio: 9/16; }
.project-card__img { width: 100%; aspect-ratio: 16/10; object-fit: cover; object-position: top; }
.project-card__img--mobile { aspect-ratio: 9/16; }
.project-card__body { padding: 1.5rem; flex: 1; display: flex; flex-direction: column; }
.project-card__body h3 { font-family: var(--font-display); font-size: 1.125rem; font-weight: 700; margin-bottom: 0.375rem; }
.project-card__desc { color: var(--text-muted); font-size: 0.875rem; margin: 0.75rem 0 1rem; line-height: 1.6; flex: 1; }
.project-card .project-actions { margin-top: auto; }

.section-nfc {
  background:
    radial-gradient(ellipse 60% 50% at 80% 50%, rgba(241, 90, 36, 0.07), transparent),
    var(--bg);
}
.nfc-grid { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 3rem; align-items: center; }
.nfc-steps { display: flex; flex-direction: column; gap: 1.25rem; margin: 2rem 0; }
.nfc-step { display: flex; gap: 1rem; align-items: flex-start; }
.nfc-step__num {
  width: 36px; height: 36px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  background: var(--accent); color: #fff; border-radius: 50%;
  font-weight: 700; font-size: 0.875rem;
}
.nfc-step strong { display: block; margin-bottom: 0.25rem; }
.nfc-step p { color: var(--text-muted); font-size: 0.875rem; }
.nfc-note { font-size: 0.8125rem; color: var(--text-subtle); margin-bottom: 1.5rem; font-style: italic; }
.nfc-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; }

.nfc-card-demo {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 1.5rem; padding: 2.5rem; background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-xl); position: relative; min-height: 280px;
}
.nfc-card-fallback {
  display: flex; align-items: center; justify-content: center; gap: 2rem; flex-wrap: wrap;
  animation: nfc-float 4s ease-in-out infinite;
}
@keyframes nfc-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}
.nfc-product-photo {
  max-width: 100%; max-height: 280px; object-fit: contain; border-radius: var(--radius);
}
.nfc-card {
  width: 160px; height: 100px; background: linear-gradient(135deg, #1a1a24, #252532);
  border: 1px solid var(--border-hover); border-radius: var(--radius);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 0.25rem; box-shadow: var(--shadow-lg);
  position: relative;
}
.nfc-card::after {
  content: '';
  position: absolute; inset: -1px; border-radius: inherit;
  background: linear-gradient(135deg, rgba(241, 90, 36, 0.25), transparent 55%);
  pointer-events: none;
}
.nfc-card i { font-size: 1.5rem; color: #4285f4; }
.nfc-card span { font-size: 0.75rem; font-weight: 600; }
.nfc-card small { font-size: 0.625rem; color: var(--text-subtle); letter-spacing: 0.1em; }
.nfc-phone { font-size: 3rem; color: var(--text-muted); opacity: 0.75; }

.about-grid {
  display: grid; grid-template-columns: 0.9fr 1.1fr; gap: var(--space-2xl);
  align-items: center; max-width: none;
}
.about-photo-frame {
  position: relative; border-radius: var(--radius-xl); overflow: hidden;
  border: 1px solid var(--border); background: var(--bg-card);
  box-shadow: var(--shadow-lg);
}
.about-photo-frame::before {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 55%, rgba(5, 5, 5, 0.55));
  pointer-events: none; z-index: 1;
}
.about-photo-lg {
  width: 100%; aspect-ratio: 4/5; object-fit: cover; object-position: center top;
  display: block;
}
.about-highlights {
  display: flex; flex-wrap: wrap; gap: 0.625rem; margin-top: 1.25rem; padding: 0;
  list-style: none;
}
.about-highlights li {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.5rem 0.875rem; border-radius: 999px;
  background: var(--bg-card); border: 1px solid var(--border);
  font-size: 0.8125rem; font-weight: 600; color: var(--text-muted);
}
.about-highlights i { color: var(--accent); font-size: 0.6875rem; }
.about-content .section-title { margin-bottom: 1rem; }
.about-lead { font-size: 1.125rem; margin-bottom: 1rem; color: var(--text); line-height: 1.65; max-width: 58ch; }
.about-body { color: var(--text-muted); margin-bottom: 1.25rem; line-height: 1.65; max-width: 58ch; }
.about-founder-note {
  color: var(--text-muted); font-size: 0.9375rem; margin-bottom: 1.5rem;
  padding-left: 1rem; border-left: 2px solid var(--accent-soft); line-height: 1.6; max-width: 58ch;
}
.about-founder {
  display: flex; align-items: center; gap: 1rem;
  padding: 1.25rem 1.5rem; background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); margin-bottom: 1.5rem;
}
.about-founder strong { display: block; font-size: 0.9375rem; }
.about-founder span { font-size: 0.8125rem; color: var(--text-muted); }
.about-tech { font-size: 0.8125rem; color: var(--text-muted); }
.tech-label { display: block; font-weight: 700; color: var(--text-subtle); font-size: 0.6875rem; text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 0.375rem; }

.section-contact {
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
}
.contact-quick-cta { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 1.5rem; }
.contact-grid { display: grid; grid-template-columns: 1fr 1.4fr; gap: 2.5rem; align-items: start; }

.contact-methods h3, .footer-contact h4 { font-size: 0.875rem; font-weight: 700; margin-bottom: 1rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--text-subtle); }
.contact-list { display: flex; flex-direction: column; gap: 1.25rem; }
.contact-list li { display: flex; gap: 1rem; align-items: flex-start; }
.contact-list i { width: 40px; height: 40px; display: flex; align-items: center; justify-content: center; background: var(--accent-soft); color: var(--accent); border-radius: var(--radius-sm); flex-shrink: 0; }
.contact-list span { display: block; font-size: 0.75rem; color: var(--text-subtle); margin-bottom: 0.125rem; }
.contact-list a { color: var(--accent); font-weight: 500; font-size: 0.9375rem; word-break: break-all; }
.contact-list a:hover { text-decoration: underline; }
.placeholder-text { color: var(--text-subtle); font-size: 0.875rem; font-style: italic; }

.contact-form {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-xl); padding: 2rem;
}
.form-title { font-size: 1.125rem; font-weight: 700; margin-bottom: 1.5rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-group { margin-bottom: 1rem; }
.form-group label { display: block; font-size: 0.8125rem; font-weight: 600; margin-bottom: 0.375rem; color: var(--text-muted); }
.form-group input, .form-group select, .form-group textarea {
  width: 100%; padding: 0.75rem 1rem;
  background: var(--bg); border: 1px solid var(--border);
  border-radius: var(--radius-sm); color: var(--text);
  font: inherit; font-size: 0.9375rem;
  transition: var(--transition); min-height: 48px;
}
.form-group textarea { min-height: 120px; resize: vertical; }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft);
}
.form-group input.is-invalid, .form-group select.is-invalid, .form-group textarea.is-invalid {
  border-color: var(--error);
}
.form-error { display: block; font-size: 0.75rem; color: var(--error); margin-top: 0.25rem; min-height: 1rem; }
.hp-field { position: absolute; left: -9999px; opacity: 0; height: 0; width: 0; }
.form-status { margin-top: 0.75rem; font-size: 0.875rem; text-align: center; }

.section-final-cta {
  padding: var(--space-section) 0;
  background:
    radial-gradient(ellipse 80% 70% at 50% 100%, rgba(241, 90, 36, 0.12), transparent),
    var(--bg-alt);
  border-top: 1px solid var(--border);
}
.final-cta {
  text-align: center; max-width: 720px; margin-inline: auto;
  padding: var(--space-2xl); background: var(--bg-card);
  border: 1px solid var(--border); border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
}
.final-cta__title {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700; letter-spacing: -0.02em; line-height: 1.15;
  margin-bottom: 1rem;
}
.final-cta__subtitle {
  color: var(--text-muted); font-size: 1.0625rem; line-height: 1.65;
  margin-bottom: 2rem; max-width: 48ch; margin-inline: auto;
}
.final-cta__actions {
  display: flex; flex-wrap: wrap; justify-content: center; gap: 0.75rem;
}

.case-study {
  display: grid; gap: 1rem; margin: 1.5rem 0;
  padding: 1.25rem; background: var(--bg); border: 1px solid var(--border);
  border-radius: var(--radius); 
}
.case-study__block h4 {
  font-size: 0.6875rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.08em; color: var(--accent); margin-bottom: 0.375rem;
}
.case-study__block p { color: var(--text-muted); font-size: 0.875rem; line-height: 1.6; }
.modal-project__desc { color: var(--text-muted); line-height: 1.65; margin-bottom: 1rem; }

.site-footer {
  padding: 3rem 0 2rem; border-top: 1px solid var(--border); background: var(--bg);
}
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr; gap: 2rem; }
.footer-brand img { margin-bottom: 0.75rem; }
.footer-brand strong { display: block; margin-bottom: 0.5rem; }
.footer-brand p { color: var(--text-muted); font-size: 0.875rem; max-width: 280px; }
.footer-nav h4 { font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-subtle); margin-bottom: 1rem; }
.footer-nav ul { display: flex; flex-direction: column; gap: 0.5rem; }
.footer-nav a { color: var(--text-muted); font-size: 0.875rem; transition: var(--transition); }
.footer-nav a:hover { color: var(--text); }
.footer-contact .contact-list { gap: 0.875rem; }
.footer-bottom {
  grid-column: 1 / -1; display: flex; flex-wrap: wrap;
  justify-content: space-between; align-items: center; gap: 1rem;
  padding-top: 2rem; margin-top: 1rem; border-top: 1px solid var(--border);
}
.footer-bottom p { font-size: 0.8125rem; color: var(--text-subtle); }

.whatsapp-fab {
  position: fixed; bottom: 1.5rem; right: 1.5rem; z-index: 900;
  width: 56px; height: 56px; border-radius: 50%;
  background: #25d366; color: #fff; display: flex; align-items: center; justify-content: center;
  font-size: 1.75rem; box-shadow: var(--shadow-lg);
  transition: var(--transition);
}
.whatsapp-fab:hover { transform: scale(1.05); }

.scroll-top {
  position: fixed; bottom: 1.5rem; right: 1.5rem; z-index: 899;
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--bg-card); border: 1px solid var(--border);
  color: var(--text); display: flex; align-items: center; justify-content: center;
  transition: var(--transition);
}
.scroll-top:not([hidden]) { bottom: 5.5rem; }
.scroll-top:hover { background: var(--accent); border-color: var(--accent); color: #fff; }

.modal { position: fixed; inset: 0; z-index: 2000; display: flex; align-items: center; justify-content: center; padding: 1rem; }
.modal[hidden] { display: none; }
.modal-backdrop { position: absolute; inset: 0; background: rgba(0,0,0,0.75); backdrop-filter: blur(4px); }
.modal-dialog {
  position: relative; width: min(680px, 100%); max-height: 90vh; overflow-y: auto;
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-xl); padding: 2rem; box-shadow: var(--shadow-lg);
}
.modal-close {
  position: absolute; top: 1rem; right: 1rem;
  width: 40px; height: 40px; border-radius: 50%;
  background: rgba(255,255,255,0.05); display: flex; align-items: center; justify-content: center;
  transition: var(--transition);
}
.modal-close:hover { background: rgba(255,255,255,0.1); }
.modal-project h2 { font-size: 1.5rem; margin: 0.75rem 0 0.25rem; }
.modal-project__image { margin: 1.5rem 0; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--border); }
.modal-img { width: 100%; aspect-ratio: 16/10; object-fit: cover; }
.modal-tech-label { font-size: 0.75rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; color: var(--text-subtle); margin: 1rem 0 0.5rem; }

.toast {
  position: fixed; bottom: 1.5rem; left: 50%; transform: translateX(-50%);
  z-index: 3000; padding: 0.875rem 1.5rem; border-radius: var(--radius);
  font-weight: 600; font-size: 0.875rem; box-shadow: var(--shadow-lg);
  max-width: calc(100% - 2rem); text-align: center;
}
.toast[hidden] { display: none; }
.toast--success { background: var(--success); color: #052e1a; }
.toast--error { background: var(--error); color: #fff; }

.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.is-visible { opacity: 1; transform: none; }

/* FAQ */
.faq-list {
  display: grid;
  gap: 0.875rem;
  max-width: 820px;
  margin-inline: auto;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color var(--transition);
}

.faq-item[open] {
  border-color: var(--border-hover);
}

.faq-item__question {
  cursor: pointer;
  list-style: none;
  padding: 1.125rem 1.25rem;
  font-weight: 600;
  line-height: 1.45;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.faq-item__question::-webkit-details-marker { display: none; }

.faq-item__question::after {
  content: '+';
  color: var(--accent);
  font-size: 1.25rem;
  font-weight: 700;
  flex-shrink: 0;
}

.faq-item[open] .faq-item__question::after {
  content: '−';
}

.faq-item__answer {
  padding: 0 1.25rem 1.125rem;
  color: var(--text-muted);
}

.faq-item__answer p { margin: 0; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .btn, .service-card, .project-card, .why-item { transition: none; }
  .nfc-card-fallback { animation: none; }
}

@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .hero-visual { order: -1; max-width: 560px; margin-inline: auto; width: 100%; }
  .featured-project, .featured-project:nth-child(even) {
    grid-template-columns: 1fr; direction: ltr;
  }
  .featured-project__info { order: 1; }
  .featured-project__visual { order: 2; }
  .device-composition { min-height: auto; }
  .nfc-grid { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; gap: 2rem; }
  .about-visual { max-width: 420px; margin-inline: auto; width: 100%; }
  .services-grid { grid-template-columns: 1fr; }
  .service-card--wide { grid-column: span 1; }
  .why-item { grid-template-columns: 64px 1fr; padding: 1.25rem 1.5rem; }
  .why-item__num { font-size: 1.5rem; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .projects-grid { grid-template-columns: 1fr; }
}

@media (min-width: 769px) and (max-width: 1024px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .service-card--wide { grid-column: span 2; }
}

@media (max-width: 1024px) {
  .burger { display: flex; }
  .header-cta { display: none; }

  .site-nav {
    position: fixed;
    top: 0; right: 0; bottom: 0;
    left: auto;
    width: min(320px, 88vw);
    z-index: 1100;
    display: block;
    background: var(--bg);
    border-left: 1px solid var(--border);
    padding: calc(var(--header-h) + 1.25rem) 1.5rem 1.5rem;
    transform: translateX(100%);
    visibility: hidden;
    pointer-events: none;
    transition: transform 0.3s ease, visibility 0.3s ease;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
  }
  .site-nav.is-open {
    transform: translateX(0);
    visibility: visible;
    pointer-events: auto;
  }
  .nav-list { flex-direction: column; align-items: stretch; gap: 0.25rem; }
  .nav-link { padding: 0.875rem 1rem; font-size: 1rem; }
  .nav-cta-mobile { display: block; }
}

@media (max-width: 768px) {
  :root { --header-h: 64px; --space-section: 3.5rem; }
  .section { padding: var(--space-section) 0; }

  .hero { min-height: auto; padding-top: calc(var(--header-h) + 2rem); }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; }

  .trust-strip { gap: 0.75rem 1.25rem; padding: 1rem; }
  .trust-item { font-size: 0.75rem; }

  .featured-projects { gap: 4rem; }
  .featured-project { gap: 1.75rem; }
  .device-composition {
    display: block; position: relative; padding-bottom: 2rem;
  }
  .device-mockup--desktop {
    display: block; width: 100%;
  }
  .device-mockup--mobile {
    display: block; position: absolute;
    width: 32%; max-width: 110px;
    right: 0.5rem; bottom: 0;
    margin: 0;
  }
  .project-num { font-size: 2.25rem; }

  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }

  .nfc-card-fallback { flex-direction: column; }
  .contact-quick-cta { flex-direction: column; }
  .contact-quick-cta .btn { width: 100%; }
  .final-cta { padding: 1.75rem 1.25rem; }
  .final-cta__actions { flex-direction: column; }
  .final-cta__actions .btn { width: 100%; }
}

@media (max-width: 430px) {
  .brand-text small { display: none; }
  .lang-switcher--footer { margin-inline: auto; }
}

@media (max-width: 360px) {
  .container { width: calc(100% - 1.25rem); }
  .hero-title { font-size: 1.75rem; }
  .section-title { font-size: 1.5rem; }
}