/* =========================================================
   METAL PLUS — Industrial Luxury Design System
   ========================================================= */

:root {
  /* Colors */
  --c-bg: #0a141d;
  --c-bg-alt: #0d1b26;
  --c-surface: #10202c;
  --c-surface-2: #142833;
  --c-glass: rgba(20, 40, 51, 0.55);
  --c-glass-border: rgba(255, 255, 255, 0.08);
  --c-steel: #4a5c68;
  --c-steel-light: #7d8f9a;
  --c-navy: #1c3b52;
  --c-accent: #c9463c;
  --c-accent-light: #e2685c;
  --c-amber: #d9a441;
  --c-text: #eef2f5;
  --c-text-muted: #9fb1bd;
  --c-text-dim: #6d7f8a;
  --c-line: rgba(255, 255, 255, 0.09);

  /* Typography */
  --font-head: "Space Grotesk", "Inter", sans-serif;
  --font-body: "Inter", sans-serif;

  /* Layout */
  --container: 1240px;
  --radius-sm: 10px;
  --radius-md: 18px;
  --radius-lg: 28px;
  --header-h: 84px;

  /* Motion */
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-soft: cubic-bezier(0.25, 0.1, 0.25, 1);
  --dur-fast: 0.35s;
  --dur-med: 0.7s;
  --dur-slow: 1.1s;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--c-bg);
  color: var(--c-text);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.6;
  -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; cursor: pointer; }
h1, h2, h3, h4 { font-family: var(--font-head); margin: 0; font-weight: 600; letter-spacing: -0.01em; }
p { margin: 0; }
input, textarea, select { font-family: inherit; }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 32px;
}

/* ---------- Skip link ---------- */
.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--c-accent);
  color: #fff;
  padding: 10px 18px;
  z-index: 9999;
  border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; }

/* ---------- Focus ---------- */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible {
  outline: 2px solid var(--c-accent-light);
  outline-offset: 3px;
  border-radius: 4px;
}

/* =========================================================
   PRELOADER
   ========================================================= */
.preloader {
  position: fixed; inset: 0; z-index: 10000;
  background: var(--c-bg);
  display: flex; align-items: center; justify-content: center;
  transition: opacity 0.6s var(--ease), visibility 0.6s var(--ease);
}
.preloader-inner { display: flex; flex-direction: column; align-items: center; gap: 24px; }
.preloader-logo { height: 34px; width: auto; filter: brightness(0) invert(1); opacity: 0.92; animation: preloaderPulse 1.6s ease-in-out infinite; }
@keyframes preloaderPulse { 0%, 100% { opacity: 0.7; transform: scale(0.98); } 50% { opacity: 1; transform: scale(1.02); } }
.preloader-bar { width: 180px; height: 2px; background: rgba(255,255,255,0.1); border-radius: 2px; overflow: hidden; }
.preloader-bar span { display: block; height: 100%; width: 0%; background: linear-gradient(90deg, var(--c-accent), var(--c-amber)); transition: width 0.25s var(--ease-soft); }
.preloader.is-done { opacity: 0; visibility: hidden; pointer-events: none; }
body.is-loading { overflow: hidden; }

/* ---------- Custom cursor ---------- */
.cursor-dot, .cursor-ring {
  position: fixed;
  top: 0; left: 0;
  pointer-events: none;
  border-radius: 50%;
  z-index: 9998;
  transform: translate(-50%, -50%);
  will-change: transform;
}
.cursor-dot { width: 6px; height: 6px; background: var(--c-accent); }
.cursor-ring {
  width: 34px; height: 34px;
  border: 1px solid rgba(238, 242, 245, 0.4);
  transition: width var(--dur-fast) var(--ease), height var(--dur-fast) var(--ease), border-color var(--dur-fast);
}
.cursor-ring.is-active { width: 54px; height: 54px; border-color: var(--c-accent-light); background: rgba(201, 70, 60, 0.08); }
@media (pointer: coarse) {
  .cursor-dot, .cursor-ring { display: none; }
}

/* ---------- Progress bar ---------- */
.progress-bar { position: fixed; top: 0; left: 0; width: 100%; height: 3px; z-index: 1001; background: transparent; }
.progress-bar span {
  display: block; height: 100%; width: 0%;
  background: linear-gradient(90deg, var(--c-accent), var(--c-amber));
}

/* =========================================================
   HEADER
   ========================================================= */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--header-h);
  display: flex;
  align-items: center;
  transition: background var(--dur-fast) var(--ease), height var(--dur-fast) var(--ease), box-shadow var(--dur-fast);
}
.site-header::before {
  content: "";
  position: absolute; inset: 0;
  background: rgba(10, 20, 29, 0);
  backdrop-filter: blur(0px);
  transition: background var(--dur-fast), backdrop-filter var(--dur-fast);
  z-index: -1;
  border-bottom: 1px solid transparent;
}
.site-header.is-scrolled { height: 72px; }
.site-header.is-scrolled::before {
  background: rgba(10, 20, 29, 0.72);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--c-line);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; width: 100%; }
.brand-logo { height: 32px; width: auto; filter: brightness(0) invert(1); }

.main-nav ul { display: flex; gap: 6px; position: relative; }
.main-nav a {
  font-size: 0.92rem; font-weight: 500; color: var(--c-text-muted);
  position: relative; z-index: 1; padding: 8px 14px; transition: color var(--dur-fast);
  display: inline-block;
}
.main-nav a::after {
  content: ""; position: absolute; left: 14px; right: 14px; bottom: 3px; height: 1px; width: auto;
  transform: scaleX(0); transform-origin: left;
  background: var(--c-accent-light); transition: transform var(--dur-fast) var(--ease);
}
.main-nav a:hover { color: var(--c-text); }
.main-nav a:hover::after { transform: scaleX(1); }
.nav-indicator {
  position: absolute; top: 50%; height: 30px; left: 0; width: 0;
  transform: translateY(-50%);
  background: rgba(255,255,255,0.05); border: 1px solid var(--c-glass-border); border-radius: 100px;
  opacity: 0; z-index: 0; pointer-events: none;
  transition: left 0.35s var(--ease), width 0.35s var(--ease), opacity 0.25s var(--ease);
}

.header-actions { display: flex; align-items: center; gap: 18px; }
.lang-switch { display: flex; align-items: center; gap: 6px; font-size: 0.8rem; color: var(--c-text-dim); font-weight: 600; }
.lang-btn { background: none; border: none; color: var(--c-text-dim); font-size: 0.8rem; font-weight: 600; letter-spacing: 0.03em; padding: 4px; }
.lang-btn.is-active { color: var(--c-text); }
.lang-sep { opacity: 0.4; }

.nav-toggle { display: none; flex-direction: column; justify-content: center; gap: 5px; width: 30px; height: 30px; background: none; border: none; padding: 0; }
.nav-toggle span { display: block; width: 100%; height: 1.6px; background: var(--c-text); transition: transform var(--dur-fast) var(--ease), opacity var(--dur-fast); }

/* =========================================================
   BUTTONS
   ========================================================= */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 15px 30px;
  border-radius: 100px;
  font-size: 0.92rem; font-weight: 600;
  border: 1px solid transparent;
  transition: transform var(--dur-fast) var(--ease), box-shadow var(--dur-fast), background var(--dur-fast), color var(--dur-fast);
  position: relative;
  white-space: nowrap;
}
.btn-accent { background: var(--c-accent); color: #fff; box-shadow: 0 8px 24px -8px rgba(201, 70, 60, 0.6); }
.btn-accent:hover { background: var(--c-accent-light); box-shadow: 0 12px 32px -8px rgba(201, 70, 60, 0.75); }
.btn-ghost { border-color: var(--c-glass-border); color: var(--c-text); background: rgba(255,255,255,0.03); backdrop-filter: blur(6px); }
.btn-ghost:hover { border-color: rgba(255,255,255,0.28); background: rgba(255,255,255,0.06); }
.btn-sm { padding: 10px 22px; font-size: 0.82rem; }
.btn-arrow { width: 16px; height: 16px; transition: transform var(--dur-fast) var(--ease); }
.btn:hover .btn-arrow { transform: translateX(3px); }

.link-underline { display: inline-block; margin-top: 10px; font-weight: 600; color: var(--c-text); position: relative; }
.link-underline::after {
  content: ""; position: absolute; left: 0; bottom: -3px; width: 100%; height: 1px; background: currentColor; opacity: 0.4;
  transition: opacity var(--dur-fast);
}
.link-underline:hover::after { opacity: 1; }

/* =========================================================
   SHARED SECTION STYLES
   ========================================================= */
section { position: relative; padding: 140px 0; }
section[id] { scroll-margin-top: 90px; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 0.78rem; font-weight: 600; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--c-accent-light); margin-bottom: 18px;
}
.eyebrow::before { content: ""; width: 26px; height: 1px; background: var(--c-accent-light); }
.section-title { font-size: clamp(2rem, 3.6vw, 3rem); line-height: 1.15; color: var(--c-text); margin-bottom: 20px; }
.section-subtitle { font-size: 1.05rem; color: var(--c-text-muted); max-width: 560px; line-height: 1.7; }
.section-head { max-width: 700px; margin-bottom: 64px; }
.accent-text {
  background: linear-gradient(100deg, var(--c-accent-light) 20%, var(--c-amber) 45%, var(--c-accent-light) 70%);
  background-size: 200% 100%;
  -webkit-background-clip: text; background-clip: text; color: transparent;
  animation: shimmerText 7s ease-in-out infinite;
}
@keyframes shimmerText { 0%, 100% { background-position: 0% 50%; } 50% { background-position: 100% 50%; } }

/* ---------- Ambient background blobs ---------- */
.services::before, .why::before, .testimonials::before, .contact::before, .process::before {
  content: ""; position: absolute; width: 520px; height: 520px; border-radius: 50%;
  pointer-events: none; z-index: 0; filter: blur(4px);
  animation: blobDrift 18s ease-in-out infinite;
}
.services::before { top: -140px; right: -120px; background: radial-gradient(circle, rgba(201,70,60,0.11), transparent 70%); }
.why::before { bottom: -160px; left: -140px; background: radial-gradient(circle, rgba(217,164,65,0.09), transparent 70%); animation-duration: 22s; }
.testimonials::before { top: -120px; left: 8%; background: radial-gradient(circle, rgba(201,70,60,0.08), transparent 70%); animation-duration: 20s; }
.contact::before { bottom: -150px; right: -100px; background: radial-gradient(circle, rgba(217,164,65,0.08), transparent 70%); animation-duration: 24s; }
.process::before { top: -100px; right: 10%; background: radial-gradient(circle, rgba(201,70,60,0.07), transparent 70%); animation-duration: 19s; }
@keyframes blobDrift { 0%, 100% { transform: translate(0,0) scale(1); } 50% { transform: translate(36px,-30px) scale(1.16); } }

/* =========================================================
   MARQUEE TICKER
   ========================================================= */
.marquee {
  position: relative; overflow: hidden;
  padding: 26px 0;
  background: var(--c-bg-alt);
  border-top: 1px solid var(--c-line);
  border-bottom: 1px solid var(--c-line);
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}
.marquee-track { display: flex; width: max-content; animation: marqueeScroll 26s linear infinite; }
.marquee-group { display: flex; align-items: center; flex-shrink: 0; }
.marquee-group span { font-family: var(--font-head); font-size: 1.1rem; color: var(--c-text-dim); padding: 0 14px; white-space: nowrap; }
.marquee-dot { color: var(--c-accent-light) !important; font-size: 0.8rem !important; }
@keyframes marqueeScroll { from { transform: translateX(0); } to { transform: translateX(-50%); } }
.marquee:hover .marquee-track { animation-play-state: paused; }
@media (prefers-reduced-motion: reduce) { .marquee-track { animation: none; } }

/* =========================================================
   HERO
   ========================================================= */
.hero {
  min-height: 100vh;
  display: flex; align-items: center;
  padding-top: var(--header-h);
  overflow: hidden;
}
.hero-media { position: absolute; inset: 0; z-index: 0; }
.hero-img { width: 100%; height: 100%; object-fit: cover; transform: scale(1.06); }
.hero-gradient {
  position: absolute; inset: 0;
  background:
    linear-gradient(180deg, rgba(8,15,22,0.55) 0%, rgba(8,15,22,0.35) 35%, rgba(8,15,22,0.85) 100%),
    linear-gradient(90deg, rgba(8,15,22,0.75) 0%, rgba(8,15,22,0.15) 50%, rgba(8,15,22,0.65) 100%);
}
.hero-noise { position: absolute; inset: 0; opacity: 0.04; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
.hero-particles { position: absolute; inset: 0; z-index: 1; pointer-events: none; }
.hero-particles span {
  position: absolute; border-radius: 50%; background: rgba(226, 104, 92, 0.55);
  filter: blur(0.5px); animation: floatParticle linear infinite;
}
@keyframes floatParticle {
  0% { transform: translateY(0) translateX(0); opacity: 0; }
  10% { opacity: 0.8; }
  90% { opacity: 0.5; }
  100% { transform: translateY(-120vh) translateX(20px); opacity: 0; }
}
.hero-floating-shapes { position: absolute; inset: 0; z-index: 1; pointer-events: none; }
.shape { position: absolute; border: 1px solid rgba(255,255,255,0.12); border-radius: 24px; backdrop-filter: blur(2px); }
.shape-1 { width: 140px; height: 140px; top: 18%; right: 10%; animation: floatShape 9s ease-in-out infinite; }
.shape-2 { width: 90px; height: 90px; bottom: 20%; right: 22%; border-radius: 50%; animation: floatShape 11s ease-in-out infinite reverse; }
.shape-3 { width: 60px; height: 60px; top: 40%; right: 30%; animation: floatShape 7s ease-in-out infinite; }
@keyframes floatShape { 0%,100% { transform: translateY(0) rotate(0deg); } 50% { transform: translateY(-24px) rotate(6deg); } }

.hero-content { position: relative; z-index: 2; }
.hero-title { font-size: clamp(2.6rem, 7vw, 5.6rem); line-height: 1.04; letter-spacing: -0.015em; margin: 22px 0 26px; }
.hero-title .line { display: block; overflow: hidden; }
.hero-subtitle { font-size: clamp(1rem, 1.4vw, 1.2rem); color: var(--c-text-muted); max-width: 560px; margin-bottom: 42px; }
.hero-actions { display: flex; gap: 18px; flex-wrap: wrap; }

.scroll-indicator {
  position: absolute; left: 32px; bottom: 40px; z-index: 2;
  display: flex; align-items: center; gap: 14px;
  font-size: 0.75rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--c-text-dim);
}
.scroll-line { width: 1px; height: 46px; background: rgba(255,255,255,0.15); position: relative; overflow: hidden; }
.scroll-line span { position: absolute; top: -100%; left: 0; width: 100%; height: 100%; background: var(--c-accent-light); animation: scrollLine 2.2s ease-in-out infinite; }
@keyframes scrollLine { 0% { top: -100%; } 50% { top: 0%; } 100% { top: 100%; } }

/* =========================================================
   STATS BAND
   ========================================================= */
.stats-band { padding: 0; margin-top: -60px; z-index: 3; position: relative; }
.stats-grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  background: var(--c-glass);
  border: 1px solid var(--c-glass-border);
  backdrop-filter: blur(22px);
  border-radius: var(--radius-lg);
  padding: 46px 20px;
  box-shadow: 0 30px 60px -20px rgba(0,0,0,0.5);
}
.stat-item { text-align: center; border-right: 1px solid var(--c-line); padding: 0 12px; }
.stat-item:last-child { border-right: none; }
.stat-num, .stat-num-text { font-family: var(--font-head); font-size: clamp(2.2rem, 4vw, 3rem); color: var(--c-text); }
.stat-plus { font-family: var(--font-head); font-size: clamp(1.6rem, 3vw, 2.2rem); color: var(--c-accent-light); }
.stat-item p { margin-top: 8px; color: var(--c-text-muted); font-size: 0.9rem; }

/* =========================================================
   ABOUT
   ========================================================= */
.about-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 90px; align-items: center; }
.about-copy p:not(.eyebrow) { color: var(--c-text-muted); margin-bottom: 18px; font-size: 1.02rem; }
.about-media { position: relative; border-radius: var(--radius-lg); overflow: hidden; }
.about-media img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 3/4; }
.about-media-frame { position: absolute; inset: 14px; border: 1px solid rgba(255,255,255,0.25); border-radius: calc(var(--radius-lg) - 8px); pointer-events: none; }

/* =========================================================
   SERVICES
   ========================================================= */
.services { background: var(--c-bg-alt); }
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; perspective: 1200px; position: relative; z-index: 1; }
.service-card {
  position: relative;
  background: var(--c-surface);
  border: 1px solid var(--c-glass-border);
  border-radius: var(--radius-md);
  padding: 40px 32px;
  overflow: hidden;
  transition: transform var(--dur-fast) var(--ease-soft), border-color var(--dur-fast);
  transform-style: preserve-3d;
  will-change: transform;
}
.service-card:hover { border-color: rgba(255,255,255,0.18); }
.service-icon {
  width: 56px; height: 56px; border-radius: 16px;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(145deg, rgba(201,70,60,0.18), rgba(201,70,60,0.02));
  color: var(--c-accent-light);
  margin-bottom: 26px;
}
.service-icon svg { width: 26px; height: 26px; }
.service-card h3 { font-size: 1.18rem; margin-bottom: 12px; color: var(--c-text); }
.service-card p { color: var(--c-text-muted); font-size: 0.95rem; }
.card-glow {
  position: absolute; width: 260px; height: 260px; border-radius: 50%;
  background: radial-gradient(circle, rgba(201,70,60,0.22), transparent 70%);
  top: -80px; right: -80px; opacity: 0; transition: opacity var(--dur-med);
  pointer-events: none;
}
.service-card:hover .card-glow { opacity: 1; }

/* =========================================================
   WHY CHOOSE US
   ========================================================= */
.why-grid { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: 80px; align-items: start; }
.why-points { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.why-point {
  display: flex; align-items: center; gap: 14px;
  padding: 22px 22px;
  background: var(--c-surface);
  border: 1px solid var(--c-glass-border);
  border-radius: var(--radius-sm);
  font-weight: 500;
  transition: transform var(--dur-fast) var(--ease), border-color var(--dur-fast);
}
.why-point:hover { transform: translateY(-4px); border-color: rgba(255,255,255,0.2); }
.why-check {
  flex-shrink: 0; width: 30px; height: 30px; border-radius: 50%;
  background: rgba(201,70,60,0.15); color: var(--c-accent-light);
  display: flex; align-items: center; justify-content: center;
}
.why-check svg { width: 16px; height: 16px; }

/* =========================================================
   PROJECTS
   ========================================================= */
.projects-filters { display: flex; gap: 12px; margin-bottom: 40px; flex-wrap: wrap; }
.filter-btn {
  background: none; border: 1px solid var(--c-glass-border); color: var(--c-text-muted);
  padding: 10px 20px; border-radius: 100px; font-size: 0.85rem; font-weight: 500;
  transition: all var(--dur-fast);
}
.filter-btn:hover { color: var(--c-text); border-color: rgba(255,255,255,0.25); }
.filter-btn.is-active { background: var(--c-accent); border-color: var(--c-accent); color: #fff; }

.projects-grid { display: grid; grid-template-columns: repeat(3, 1fr); grid-auto-rows: 260px; gap: 20px; }
.project-card {
  position: relative; margin: 0; border-radius: var(--radius-md); overflow: hidden;
  grid-row: span 1; cursor: pointer;
}
.project-card:nth-child(2), .project-card:nth-child(4) { grid-row: span 2; }
.project-card img { width: 100%; height: 100%; object-fit: cover; transform: scale(1.18); transition: transform 1.2s var(--ease), filter 0.6s; }
.project-card.is-visible img { transform: scale(1); }
.project-card figcaption {
  position: absolute; inset: 0; display: flex; flex-direction: column; justify-content: flex-end;
  padding: 28px; background: linear-gradient(180deg, transparent 30%, rgba(8,14,20,0.92) 100%);
  opacity: 0; transition: opacity var(--dur-fast) var(--ease);
}
.project-card:hover img { transform: scale(1.08); filter: blur(1px) brightness(0.7); }
.project-card:hover figcaption { opacity: 1; }
.project-tag { font-size: 0.72rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--c-accent-light); margin-bottom: 8px; }
.project-card h3 { font-size: 1.2rem; color: #fff; margin-bottom: 14px; }
.project-view {
  align-self: flex-start; background: rgba(255,255,255,0.1); border: 1px solid rgba(255,255,255,0.25);
  color: #fff; padding: 9px 18px; border-radius: 100px; font-size: 0.8rem; font-weight: 500;
  backdrop-filter: blur(6px); transform: translateY(10px); transition: transform var(--dur-fast), background var(--dur-fast);
}
.project-card:hover .project-view { transform: translateY(0); }
.project-view:hover { background: var(--c-accent); border-color: var(--c-accent); }
.project-card.is-hidden { display: none; }

/* =========================================================
   PROCESS
   ========================================================= */
.process-track { position: relative; display: grid; grid-template-columns: repeat(6, 1fr); gap: 24px; padding-top: 10px; }
.process-line { position: absolute; top: 17px; left: 0; right: 0; height: 2px; background: var(--c-line); z-index: 0; }
.process-line span { display: block; height: 100%; width: 0%; background: linear-gradient(90deg, var(--c-accent), var(--c-amber)); transition: width 0.3s linear; }
.process-step { position: relative; z-index: 1; padding-top: 44px; }
.process-num {
  position: absolute; top: -4px; left: 0;
  width: 36px; height: 36px; border-radius: 50%;
  background: var(--c-surface-2); border: 1px solid var(--c-glass-border);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-head); font-size: 0.85rem; color: var(--c-accent-light);
  transition: background var(--dur-fast), border-color var(--dur-fast), color var(--dur-fast), box-shadow var(--dur-fast), transform var(--dur-fast);
}
.process-num.is-active {
  background: var(--c-accent); border-color: var(--c-accent); color: #fff;
  box-shadow: 0 0 0 6px rgba(201,70,60,0.16);
  transform: scale(1.08);
}
.process-step h3 { font-size: 1.05rem; margin-bottom: 10px; color: var(--c-text); }
.process-step p { color: var(--c-text-muted); font-size: 0.88rem; line-height: 1.6; }

/* =========================================================
   TESTIMONIALS
   ========================================================= */
.testimonials { background: var(--c-bg-alt); }
.testi-slider { max-width: 760px; margin: 0 auto; text-align: center; position: relative; }
.testi-track { position: relative; min-height: 260px; }
.testi-card {
  position: absolute; inset: 0; opacity: 0; transform: translateY(16px);
  transition: opacity var(--dur-med) var(--ease), transform var(--dur-med) var(--ease);
  pointer-events: none;
}
.testi-card.is-active { opacity: 1; transform: translateY(0); pointer-events: auto; position: relative; }
.testi-stars { color: var(--c-amber); letter-spacing: 3px; margin-bottom: 22px; font-size: 1rem; }
.testi-card p { font-size: 1.3rem; line-height: 1.6; color: var(--c-text); font-family: var(--font-head); font-weight: 400; margin-bottom: 30px; }
.testi-author { display: flex; align-items: center; justify-content: center; gap: 14px; }
.testi-avatar {
  width: 46px; height: 46px; border-radius: 50%; background: var(--c-surface-2);
  border: 1px solid var(--c-glass-border); display: flex; align-items: center; justify-content: center;
  font-family: var(--font-head); color: var(--c-accent-light); font-size: 0.85rem;
}
.testi-author div { text-align: left; display: flex; flex-direction: column; }
.testi-author strong { font-size: 0.95rem; }
.testi-author span { font-size: 0.8rem; color: var(--c-text-dim); }
.testi-dots { display: flex; justify-content: center; gap: 10px; margin-top: 36px; }
.testi-dots button { width: 8px; height: 8px; border-radius: 50%; background: var(--c-line); border: none; padding: 0; transition: background var(--dur-fast), transform var(--dur-fast); }
.testi-dots button.is-active { background: var(--c-accent-light); transform: scale(1.3); }

/* =========================================================
   FAQ
   ========================================================= */
.faq-grid { display: grid; grid-template-columns: 0.7fr 1.3fr; gap: 80px; }
.faq-item { border-bottom: 1px solid var(--c-line); }
.faq-question {
  width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 20px;
  background: none; border: none; color: var(--c-text); text-align: left;
  padding: 26px 0; font-size: 1.05rem; font-weight: 500; font-family: var(--font-head);
}
.faq-icon { position: relative; width: 18px; height: 18px; flex-shrink: 0; }
.faq-icon::before, .faq-icon::after {
  content: ""; position: absolute; top: 50%; left: 50%; background: var(--c-text-muted);
  transform: translate(-50%, -50%); transition: transform var(--dur-fast) var(--ease), opacity var(--dur-fast);
}
.faq-icon::before { width: 14px; height: 1.4px; }
.faq-icon::after { width: 1.4px; height: 14px; }
.faq-item.is-open .faq-icon::after { transform: translate(-50%, -50%) rotate(90deg); opacity: 0; }
.faq-item.is-open .faq-question { color: var(--c-accent-light); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height var(--dur-med) var(--ease); }
.faq-answer p { padding-bottom: 26px; color: var(--c-text-muted); line-height: 1.7; max-width: 640px; }

/* =========================================================
   CONTACT
   ========================================================= */
.contact-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 80px; }
.contact-form { margin-top: 36px; display: flex; flex-direction: column; gap: 20px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-field { display: flex; flex-direction: column; gap: 8px; }
.form-field label { font-size: 0.82rem; color: var(--c-text-muted); font-weight: 500; }
.form-field input, .form-field textarea, .form-field select {
  background: var(--c-surface); border: 1px solid var(--c-glass-border); border-radius: 10px;
  padding: 14px 16px; color: var(--c-text); font-size: 0.95rem; transition: border-color var(--dur-fast), background var(--dur-fast);
  resize: vertical;
}
.form-field input:focus, .form-field textarea:focus, .form-field select:focus { border-color: var(--c-accent-light); background: var(--c-surface-2); }
.form-field select { appearance: none; }
.contact-form .btn { align-self: flex-start; margin-top: 6px; border: none; }
.form-note { font-size: 0.88rem; color: var(--c-text-muted); min-height: 1.2em; }
.form-note.is-success { color: #6fcf97; }
.form-note.is-error { color: var(--c-accent-light); }

.contact-list { display: flex; flex-direction: column; gap: 22px; margin-bottom: 34px; }
.contact-list li { display: flex; align-items: flex-start; gap: 16px; }
.contact-icon {
  width: 44px; height: 44px; border-radius: 12px; background: var(--c-surface);
  border: 1px solid var(--c-glass-border); display: flex; align-items: center; justify-content: center;
  color: var(--c-accent-light); flex-shrink: 0;
}
.contact-icon svg { width: 20px; height: 20px; }
.contact-list a, .contact-list span:not(.contact-label) { color: var(--c-text); font-weight: 500; }
.contact-label { display: block; font-size: 0.78rem; color: var(--c-text-dim); margin-bottom: 4px; text-transform: uppercase; letter-spacing: 0.06em; }
.map-wrap { border-radius: var(--radius-md); overflow: hidden; border: 1px solid var(--c-glass-border); aspect-ratio: 16/11; }
.map-wrap iframe { width: 100%; height: 100%; border: 0; filter: grayscale(0.3) invert(0.92) contrast(0.9); }

/* =========================================================
   FOOTER
   ========================================================= */
.site-footer { background: var(--c-bg-alt); border-top: 1px solid var(--c-line); padding-top: 80px; }
.footer-inner { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 60px; padding-bottom: 60px; }
.footer-brand img { height: 30px; filter: brightness(0) invert(1); margin-bottom: 20px; }
.footer-brand p { color: var(--c-text-muted); max-width: 280px; margin-bottom: 24px; }
.footer-social { display: flex; gap: 12px; }
.footer-social a {
  width: 38px; height: 38px; border-radius: 50%; border: 1px solid var(--c-glass-border);
  display: flex; align-items: center; justify-content: center; color: var(--c-text-muted);
  transition: color var(--dur-fast), border-color var(--dur-fast), transform var(--dur-fast);
}
.footer-social svg { width: 16px; height: 16px; }
.footer-social a:hover { color: var(--c-accent-light); border-color: var(--c-accent-light); transform: translateY(-3px); }
.footer-title { display: block; font-size: 0.78rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--c-text-dim); margin-bottom: 20px; }
.footer-links, .footer-contact { display: flex; flex-direction: column; gap: 14px; }
.footer-links a, .footer-contact a, .footer-contact span { color: var(--c-text-muted); font-size: 0.94rem; transition: color var(--dur-fast); }
.footer-links a:hover, .footer-contact a:hover { color: var(--c-text); }
.footer-bottom { border-top: 1px solid var(--c-line); padding: 26px 32px; font-size: 0.85rem; color: var(--c-text-dim); display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.powered-by {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 0.82rem; color: var(--c-text-dim);
  padding: 7px 14px; border-radius: 100px;
  border: 1px solid var(--c-glass-border); background: rgba(255,255,255,0.02);
  transition: border-color var(--dur-fast), background var(--dur-fast), transform var(--dur-fast), box-shadow var(--dur-fast);
}
.powered-by img { height: 18px; width: auto; filter: drop-shadow(0 0 6px rgba(120,150,255,0.35)); transition: filter var(--dur-fast); }
.powered-by-name { font-weight: 600; color: var(--c-text-muted); letter-spacing: 0.01em; transition: color var(--dur-fast); }
.powered-by:hover {
  border-color: rgba(120,150,255,0.4);
  background: rgba(120,150,255,0.08);
  transform: translateY(-2px);
  box-shadow: 0 10px 24px -10px rgba(80,110,255,0.45);
}
.powered-by:hover .powered-by-name { color: var(--c-text); }
.powered-by:hover img { filter: drop-shadow(0 0 10px rgba(140,170,255,0.6)); }

/* ---------- Back to top ---------- */
.back-to-top {
  position: fixed; bottom: 30px; right: 30px; z-index: 500;
  width: 50px; height: 50px; border-radius: 50%;
  background: var(--c-glass); border: 1px solid var(--c-glass-border); backdrop-filter: blur(10px);
  color: var(--c-text); display: flex; align-items: center; justify-content: center;
  opacity: 0; transform: translateY(16px); pointer-events: none;
  transition: opacity var(--dur-fast), transform var(--dur-fast), background var(--dur-fast);
}
.back-to-top.is-visible { opacity: 1; transform: translateY(0); pointer-events: auto; }
.back-to-top:hover { background: var(--c-accent); border-color: var(--c-accent); }
.back-to-top svg { width: 20px; height: 20px; }

/* ---------- Lightbox ---------- */
.lightbox {
  position: fixed; inset: 0; z-index: 2000; background: rgba(6,10,14,0.94);
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 20px;
  padding: 40px; backdrop-filter: blur(6px);
}
.lightbox[hidden] { display: none; }
.lightbox img { max-width: min(90vw, 1100px); max-height: 78vh; object-fit: contain; border-radius: var(--radius-md); }
.lightbox p { color: var(--c-text-muted); }
.lightbox-close {
  position: absolute; top: 26px; right: 30px; width: 46px; height: 46px; border-radius: 50%;
  background: rgba(255,255,255,0.06); border: 1px solid var(--c-glass-border); color: #fff; font-size: 1.6rem; line-height: 1;
}
.lightbox-close:hover { background: var(--c-accent); }

/* =========================================================
   REVEAL ANIMATIONS
   ========================================================= */
.reveal { opacity: 0; will-change: transform, opacity, filter; }
.reveal[data-reveal="fade-up"] { transform: translateY(36px); transition: opacity var(--dur-slow) var(--ease), transform var(--dur-slow) var(--ease); }
.reveal[data-reveal="fade-down"] { transform: translateY(-24px); transition: opacity var(--dur-slow) var(--ease), transform var(--dur-slow) var(--ease); }
.reveal[data-reveal="fade-left"] { transform: translateX(40px); transition: opacity var(--dur-slow) var(--ease), transform var(--dur-slow) var(--ease); }
.reveal[data-reveal="fade-right"] { transform: translateX(-40px); transition: opacity var(--dur-slow) var(--ease), transform var(--dur-slow) var(--ease); }
.reveal[data-reveal="scale"] { transform: scale(0.92); transition: opacity var(--dur-slow) var(--ease), transform var(--dur-slow) var(--ease); }
.reveal[data-reveal="text-reveal"] { transform: translateY(100%); filter: blur(6px); transition: opacity var(--dur-slow) var(--ease), transform var(--dur-slow) var(--ease), filter var(--dur-slow) var(--ease); }
.reveal[data-reveal="flip-up"] { opacity: 0; transform: translateY(46px) rotateX(-18deg); transform-origin: bottom center; transition: opacity var(--dur-slow) var(--ease), transform var(--dur-slow) var(--ease); }
.reveal[data-reveal="image-reveal"] {
  opacity: 1; clip-path: inset(0 0 0 100%);
  transition: clip-path 1.1s var(--ease);
}
.reveal[data-reveal="image-reveal"].is-visible { clip-path: inset(0 0 0 0%); }
.reveal.is-visible { opacity: 1; transform: none; filter: blur(0); }

.services-grid .reveal:nth-child(2) { transition-delay: 0.08s; }
.services-grid .reveal:nth-child(3) { transition-delay: 0.16s; }
.services-grid .reveal:nth-child(4) { transition-delay: 0.24s; }
.services-grid .reveal:nth-child(5) { transition-delay: 0.32s; }
.why-points .reveal:nth-child(2) { transition-delay: 0.06s; }
.why-points .reveal:nth-child(3) { transition-delay: 0.12s; }
.why-points .reveal:nth-child(4) { transition-delay: 0.18s; }
.why-points .reveal:nth-child(5) { transition-delay: 0.24s; }
.why-points .reveal:nth-child(6) { transition-delay: 0.3s; }
.projects-grid .reveal:nth-child(2) { transition-delay: 0.06s; }
.projects-grid .reveal:nth-child(3) { transition-delay: 0.12s; }
.projects-grid .reveal:nth-child(4) { transition-delay: 0.18s; }
.projects-grid .reveal:nth-child(5) { transition-delay: 0.24s; }
.projects-grid .reveal:nth-child(6) { transition-delay: 0.3s; }
.process-track .reveal:nth-child(3) { transition-delay: 0.05s; }
.process-track .reveal:nth-child(4) { transition-delay: 0.1s; }
.process-track .reveal:nth-child(5) { transition-delay: 0.15s; }
.process-track .reveal:nth-child(6) { transition-delay: 0.2s; }
.process-track .reveal:nth-child(7) { transition-delay: 0.25s; }

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width: 1080px) {
  .why-grid, .contact-grid, .faq-grid { grid-template-columns: 1fr; gap: 50px; }
  .about-grid { grid-template-columns: 1fr; gap: 50px; }
  .about-media { max-width: 480px; }
  .process-track { grid-template-columns: repeat(3, 1fr); row-gap: 50px; }
  .process-line { display: none; }
}

@media (max-width: 900px) {
  .main-nav { position: fixed; top: var(--header-h); left: 0; right: 0; bottom: 0;
    background: rgba(8,15,21,0.98); backdrop-filter: blur(10px);
    display: flex; align-items: center; justify-content: center;
    transform: translateX(100%); transition: transform var(--dur-med) var(--ease); z-index: 999;
  }
  .main-nav.is-open { transform: translateX(0); }
  .main-nav ul { flex-direction: column; align-items: center; gap: 28px; }
  .main-nav a { font-size: 1.3rem; }
  .header-actions .btn-sm { display: none; }
  .nav-toggle { display: flex; }
  .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); }

  section { padding: 100px 0; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 30px; }
  .stat-item:nth-child(odd) { border-right: 1px solid var(--c-line); }
  .stat-item:nth-child(even) { border-right: none; }
  .stat-item { border-bottom: 1px solid var(--c-line); padding-bottom: 20px; }
  .stat-item:nth-child(3), .stat-item:nth-child(4) { border-bottom: none; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .why-points { grid-template-columns: 1fr; }
  .projects-grid { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 220px; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 620px) {
  .container { padding: 0 20px; }
  .hero-title { font-size: clamp(2.2rem, 10vw, 3.4rem); }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { justify-content: center; }
  .scroll-indicator { display: none; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); padding: 32px 16px; }
  .services-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .projects-grid { grid-template-columns: 1fr; grid-auto-rows: 280px; }
  .project-card:nth-child(2), .project-card:nth-child(4) { grid-row: span 1; }
  .process-track { grid-template-columns: 1fr; }
  .faq-question { font-size: 0.98rem; }
  .footer-inner { grid-template-columns: 1fr; text-align: left; }
  section { padding: 80px 0; }
  .back-to-top { right: 16px; bottom: 16px; width: 44px; height: 44px; }
}