/* ============================================================
   ARS Prime Technical Services — Stylesheet
   Design: Industrial Precision meets Refined Minimalism
   Fonts: Syne (display) + DM Sans (body)
   Theme: Dark steel with electric cyan accent
   ============================================================ */

/* ── CSS Variables ─────────────────────────────────────────── */
:root {
  --bg: #0a0c10;
  --bg-2: #0e1117;
  --bg-3: #131720;
  --surface: rgba(255,255,255,0.04);
  --surface-hover: rgba(255,255,255,0.07);
  --border: rgba(255,255,255,0.08);
  --border-accent: rgba(0,210,200,0.35);

  --text-primary: #f0f2f5;
  --text-secondary: #8a93a6;
  --text-muted: #4a5568;

  --accent: #00d2c8;
  --accent-2: #0090e0;
  --accent-glow: rgba(0,210,200,0.18);

  --font-display: 'Syne', sans-serif;
  --font-body: 'DM Sans', sans-serif;

  --radius: 16px;
  --radius-sm: 8px;
  --radius-lg: 24px;

  --transition: 0.35s cubic-bezier(0.4,0,0.2,1);
  --shadow: 0 8px 32px rgba(0,0,0,0.4);
  --shadow-accent: 0 0 40px rgba(0,210,200,0.12);

  --nav-height: 72px;
  --container-max: 1240px;
  --section-gap: 120px;
}

/* Light Theme */
[data-theme="light"] {
  --bg: #f5f6fa;
  --bg-2: #eef0f5;
  --bg-3: #e8eaf0;
  --surface: rgba(0,0,0,0.04);
  --surface-hover: rgba(0,0,0,0.07);
  --border: rgba(0,0,0,0.09);
  --border-accent: rgba(0,180,175,0.4);

  --text-primary: #0f1420;
  --text-secondary: #4a5568;
  --text-muted: #9aa3b0;

  --accent: #0090b8;
  --accent-2: #006dd4;
  --accent-glow: rgba(0,144,184,0.14);

  --shadow: 0 8px 32px rgba(0,0,0,0.1);
  --shadow-accent: 0 0 40px rgba(0,144,184,0.1);
}

/* ── Reset & Base ──────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-height);
}

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text-primary);
  line-height: 1.7;
  font-size: 16px;
  transition: background var(--transition), color var(--transition);
  overflow-x: hidden;
}

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

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

.section-pad { padding: var(--section-gap) 0; }

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid var(--border-accent);
  background: var(--accent-glow);
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 1.4rem;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 800;
  line-height: 1.15;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.title-accent {
  color: var(--accent);
  position: relative;
}

.section-body, .section-intro {
  color: var(--text-secondary);
  font-size: 1.05rem;
  font-weight: 300;
  max-width: 560px;
  line-height: 1.75;
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}
.section-header .section-intro {
  margin: 1.2rem auto 0;
}

.glass-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: border-color var(--transition), background var(--transition), transform var(--transition), box-shadow var(--transition);
}
.glass-card:hover {
  border-color: var(--border-accent);
  background: var(--surface-hover);
  box-shadow: var(--shadow-accent);
  transform: translateY(-4px);
}

/* ── Buttons ───────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  transition: all var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent);
  color: #000;
}
.btn-primary:hover {
  background: #00ece0;
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(0,210,200,0.35);
}

.btn-ghost {
  border: 1px solid var(--border);
  color: var(--text-primary);
  background: var(--surface);
}
.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-glow);
}

.btn-full { width: 100%; justify-content: center; }

/* ── Navbar ────────────────────────────────────────────────── */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  transition: background var(--transition), backdrop-filter var(--transition), border-bottom var(--transition);
}

.navbar.scrolled {
  background: rgba(10,12,16,0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}

[data-theme="light"] .navbar.scrolled {
  background: rgba(245,246,250,0.85);
}

.nav-container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-mark {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: -0.02em;
}

.logo-text {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  letter-spacing: 0.05em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-link {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  letter-spacing: 0.04em;
  transition: color var(--transition);
  position: relative;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0; right: 0;
  height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transition: transform var(--transition);
  transform-origin: left;
}
.nav-link:hover { color: var(--text-primary); }
.nav-link:hover::after { transform: scaleX(1); }

.theme-toggle {
  width: 38px; height: 38px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  font-size: 1rem;
  transition: all var(--transition);
}
.theme-toggle:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}
.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all var(--transition);
}
.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px,5px);
}
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px,-5px);
}

/* ── Hero ──────────────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: var(--nav-height) 0 0;
  overflow: hidden;
}

/* Grid background */
.hero-bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 40%, transparent 100%);
}

[data-theme="light"] .hero-bg-grid {
  background-image:
    linear-gradient(rgba(0,0,0,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,0,0,0.05) 1px, transparent 1px);
}

/* Orbs */
.hero-orbs { position: absolute; inset: 0; pointer-events: none; }

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  animation: orb-float 8s ease-in-out infinite;
}

.orb-1 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(0,210,200,0.12), transparent 70%);
  top: -100px; right: 10%;
  animation-delay: 0s;
}
.orb-2 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(0,144,224,0.1), transparent 70%);
  bottom: 10%; left: -50px;
  animation-delay: -3s;
}
.orb-3 {
  width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(0,210,200,0.07), transparent 70%);
  bottom: 20%; right: 30%;
  animation-delay: -6s;
}

@keyframes orb-float {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-30px) scale(1.05); }
}

.hero-content {
  position: relative;
  z-index: 2;
  padding: 0 24px;
  max-width: var(--container-max);
  margin: 0 auto;
  width: 100%;
  padding-top: 80px;
  padding-bottom: 80px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 8px 18px;
  font-size: 0.8rem;
  color: var(--text-secondary);
  letter-spacing: 0.05em;
  margin-bottom: 2rem;
}

.badge-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 10px var(--accent);
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { box-shadow: 0 0 5px var(--accent); }
  50% { box-shadow: 0 0 18px var(--accent), 0 0 30px rgba(0,210,200,0.4); }
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(3rem, 7vw, 5.5rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  margin-bottom: 1.5rem;
  max-width: 700px;
}

.hero-sub {
  font-size: 1.1rem;
  font-weight: 300;
  color: var(--text-secondary);
  max-width: 520px;
  line-height: 1.75;
  margin-bottom: 2.5rem;
}

.hero-cta {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 3.5rem;
}

/* Stats */
.hero-stats {
  display: flex;
  align-items: center;
  gap: 2rem;
  flex-wrap: wrap;
}

.stat { display: flex; flex-direction: column; gap: 4px; }

.stat-num {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1;
}
.stat-sym {
  color: var(--accent);
  font-size: 1.4rem;
}
.stat-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border);
}

/* Hero visual */
.hero-visual {
  position: absolute;
  right: 5%;
  top: 50%;
  transform: translateY(-50%);
  z-index: 1;
  opacity: 0.6;
}

.building-card {
  width: 280px;
  height: 380px;
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-lg);
  position: relative;
  overflow: hidden;
  background: var(--surface);
  backdrop-filter: blur(20px);
}

.card-glow {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0,210,200,0.06), transparent 60%, rgba(0,144,224,0.04));
}

.building-lines {
  position: absolute;
  inset: 20px;
  display: flex;
  gap: 12px;
  align-items: flex-end;
  padding-bottom: 40px;
}

.b-line {
  flex: 1;
  background: linear-gradient(to top, var(--accent), transparent);
  border-radius: 2px;
  animation: bar-rise 2.5s ease-in-out infinite alternate;
}
.b-line:nth-child(1) { height: 60%; animation-delay: 0s; }
.b-line:nth-child(2) { height: 80%; animation-delay: 0.2s; }
.b-line:nth-child(3) { height: 100%; animation-delay: 0.4s; }
.b-line:nth-child(4) { height: 70%; animation-delay: 0.6s; }
.b-line:nth-child(5) { height: 90%; animation-delay: 0.8s; }

@keyframes bar-rise {
  from { opacity: 0.4; }
  to { opacity: 1; }
}

.card-label {
  position: absolute;
  bottom: 16px; left: 16px;
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* Scroll indicator */
.scroll-indicator {
  position: absolute;
  bottom: 40px;
  left: 24px;
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
  animation: fade-in-up 1s ease 1.5s both;
}

.scroll-line {
  width: 50px;
  height: 1px;
  background: linear-gradient(to right, var(--accent), transparent);
  animation: scroll-pulse 2s ease-in-out infinite;
}

@keyframes scroll-pulse {
  0%, 100% { width: 50px; opacity: 0.5; }
  50% { width: 80px; opacity: 1; }
}

/* ── About ─────────────────────────────────────────────────── */
.about { background: var(--bg-2); }

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
  margin-bottom: 4rem;
}

.about-left { display: flex; flex-direction: column; }
.about-left .section-title { margin-bottom: 1.5rem; }
.about-left .section-body { margin-bottom: 1rem; }

.about-right {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.vision-card, .mission-card {
  padding: 2rem;
}

.vc-icon {
  font-size: 1.8rem;
  color: var(--accent);
  margin-bottom: 1rem;
  display: block;
}

.accent-icon { color: var(--accent-2); }

.vision-card h3, .mission-card h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}
.vision-card p, .mission-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* Values strip */
.values-strip {
  display: flex;
  gap: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.value-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 1.5rem 1rem;
  font-size: 0.8rem;
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--text-secondary);
  letter-spacing: 0.04em;
  text-align: center;
  border-right: 1px solid var(--border);
  transition: background var(--transition), color var(--transition);
}
.value-item:last-child { border-right: none; }
.value-item:hover {
  background: var(--accent-glow);
  color: var(--accent);
}

.value-icon {
  font-size: 1.4rem;
  color: var(--accent);
}

/* ── Services ──────────────────────────────────────────────── */
.services { background: var(--bg); }

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.service-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2.5rem 2rem;
  position: relative;
  overflow: hidden;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
  cursor: default;
}

.service-card:hover {
  border-color: var(--border-accent);
  transform: translateY(-6px);
  box-shadow: 0 20px 50px rgba(0,0,0,0.3), var(--shadow-accent);
}

.sc-number {
  position: absolute;
  top: 1.5rem; right: 1.5rem;
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 800;
  color: var(--text-muted);
  letter-spacing: 0.1em;
}

.sc-icon-wrap {
  width: 52px; height: 52px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-accent);
  display: flex; align-items: center; justify-content: center;
  color: var(--accent);
  margin-bottom: 1.5rem;
  background: var(--accent-glow);
  transition: background var(--transition);
}

.service-card:hover .sc-icon-wrap {
  background: rgba(0,210,200,0.12);
}

.sc-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.85rem;
  color: var(--text-primary);
}

.sc-body {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 1.25rem;
}

.sc-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.sc-list li {
  font-size: 0.82rem;
  color: var(--text-muted);
  padding-left: 16px;
  position: relative;
}
.sc-list li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--accent);
}

.sc-hover-line {
  position: absolute;
  bottom: 0; left: 0;
  height: 2px;
  width: 0;
  background: linear-gradient(to right, var(--accent), var(--accent-2));
  transition: width 0.4s cubic-bezier(0.4,0,0.2,1);
}
.service-card:hover .sc-hover-line { width: 100%; }

/* ── Projects ──────────────────────────────────────────────── */
.projects { background: var(--bg-2); }

.projects-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: auto auto;
  gap: 1.5rem;
}

.project-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}
.project-card:hover {
  border-color: var(--border-accent);
  transform: translateY(-4px);
  box-shadow: var(--shadow-accent);
}

.p-card-large {
  grid-row: 1 / 3;
}

.pc-tag {
  display: inline-block;
  margin: 1.5rem 1.5rem 0;
  font-size: 0.72rem;
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid var(--border-accent);
  padding: 4px 12px;
  border-radius: 999px;
}

.pc-visual {
  height: 180px;
  margin: 1rem 1.5rem;
  border-radius: var(--radius-sm);
  overflow: hidden;
  position: relative;
}

.p-card-large .pc-visual { height: 280px; }

.pc-v1 { background: linear-gradient(135deg, #0a1628, #0d2640, #0a3d5e); }
.pc-v2 { background: linear-gradient(135deg, #0e1a0e, #142814, #0a3518); }
.pc-v3 { background: linear-gradient(135deg, #1a0a28, #280d40, #1e0854); }

.pc-inner-lines {
  position: absolute;
  inset: 0;
  display: flex;
  gap: 8px;
  align-items: flex-end;
  padding: 20px 20px 0;
}

.pc-v1 .pc-inner-lines div,
.pc-v2 .pc-inner-lines div,
.pc-v3 .pc-inner-lines div {
  flex: 1;
  border-radius: 2px 2px 0 0;
  opacity: 0.5;
}

.pc-v1 .pc-inner-lines div { background: linear-gradient(to top, var(--accent), transparent); }
.pc-v2 .pc-inner-lines div { background: linear-gradient(to top, #00d26a, transparent); }
.pc-v3 .pc-inner-lines div { background: linear-gradient(to top, #a374ff, transparent); }

.pc-v1 .pc-inner-lines div:nth-child(1) { height: 55%; }
.pc-v1 .pc-inner-lines div:nth-child(2) { height: 75%; }
.pc-v1 .pc-inner-lines div:nth-child(3) { height: 95%; }
.pc-v1 .pc-inner-lines div:nth-child(4) { height: 65%; }
.pc-v1 .pc-inner-lines div:nth-child(5) { height: 85%; }

.pc-v2 .pc-inner-lines div:nth-child(1) { height: 70%; }
.pc-v2 .pc-inner-lines div:nth-child(2) { height: 50%; }
.pc-v2 .pc-inner-lines div:nth-child(3) { height: 90%; }
.pc-v2 .pc-inner-lines div:nth-child(4) { height: 60%; }

.pc-v3 .pc-inner-lines div:nth-child(1) { height: 65%; }
.pc-v3 .pc-inner-lines div:nth-child(2) { height: 85%; }
.pc-v3 .pc-inner-lines div:nth-child(3) { height: 45%; }
.pc-v3 .pc-inner-lines div:nth-child(4) { height: 75%; }

.pc-content {
  padding: 1.25rem 1.5rem 1.75rem;
}
.pc-content h3 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.6rem;
}
.pc-content p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* ── Testimonials ──────────────────────────────────────────── */
.testimonials { background: var(--bg); }

.testi-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.testi-card {
  padding: 2rem;
}

.testi-stars {
  color: #f5c842;
  font-size: 0.9rem;
  letter-spacing: 2px;
  margin-bottom: 1rem;
}

.testi-text {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.75;
  font-style: italic;
  margin-bottom: 1.5rem;
}

.testi-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.testi-avatar {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--accent-glow);
  border: 1px solid var(--border-accent);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.8rem;
  color: var(--accent);
  flex-shrink: 0;
}

.testi-name {
  display: block;
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 700;
}
.testi-role {
  display: block;
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 2px;
}

/* ── CTA ───────────────────────────────────────────────────── */
.cta-section { background: var(--bg-2); }

.cta-box {
  position: relative;
  border: 1px solid var(--border-accent);
  border-radius: 32px;
  padding: 5rem 4rem;
  text-align: center;
  overflow: hidden;
  background: var(--surface);
}

.cta-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
}
.cta-orb-1 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(0,210,200,0.1), transparent 70%);
  top: -100px; left: -100px;
}
.cta-orb-2 {
  width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(0,144,224,0.08), transparent 70%);
  bottom: -80px; right: -50px;
}

.cta-inner { position: relative; z-index: 1; }

.cta-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.cta-body {
  color: var(--text-secondary);
  font-size: 1.05rem;
  max-width: 500px;
  margin: 0 auto;
  font-weight: 300;
}

/* ── Contact ───────────────────────────────────────────────── */
.contact { background: var(--bg); }

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

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
  padding: 1.5rem;
}

.ci-icon {
  font-size: 1.3rem;
  color: var(--accent);
  flex-shrink: 0;
  margin-top: 2px;
}

.contact-item h4 {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.contact-item p, .contact-item a {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.65;
  transition: color var(--transition);
}
.contact-item a:hover { color: var(--accent); }

/* Contact Form */
.contact-form {
  padding: 2.5rem;
}

.form-title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 2rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 1.25rem;
}

.form-group label {
  font-size: 0.82rem;
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--text-secondary);
  letter-spacing: 0.05em;
}

.form-group input,
.form-group textarea,
.form-group select {
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--text-primary);
  transition: border-color var(--transition), box-shadow var(--transition);
  width: 100%;
  outline: none;
  resize: vertical;
  appearance: none;
  -webkit-appearance: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text-muted); }

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-success {
  margin-top: 1rem;
  color: var(--accent);
  font-size: 0.9rem;
  font-family: var(--font-display);
  font-weight: 600;
  text-align: center;
  opacity: 0;
  transition: opacity var(--transition);
}
.form-success.show { opacity: 1; }

/* ── Footer ────────────────────────────────────────────────── */
.footer {
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  padding: 4rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-tagline {
  font-family: var(--font-display);
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.footer-socials {
  display: flex;
  gap: 10px;
}

.social-link {
  width: 38px; height: 38px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.95rem;
  color: var(--text-secondary);
  text-decoration: none;
  transition: all var(--transition);
}
.social-link:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-glow);
}

.footer-col h4 {
  font-family: var(--font-display);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 1.2rem;
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col li, .footer-col a {
  font-size: 0.88rem;
  color: var(--text-secondary);
  transition: color var(--transition);
}
.footer-col a:hover { color: var(--accent); }

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* ── Animations ────────────────────────────────────────────── */

/* Fade up for hero */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  animation: fade-in-up 0.8s cubic-bezier(0.4,0,0.2,1) forwards;
}

.fade-up:nth-child(1) { animation-delay: 0.1s; }
.fade-up:nth-child(2) { animation-delay: 0.25s; }
.fade-up:nth-child(3) { animation-delay: 0.4s; }
.fade-up:nth-child(4) { animation-delay: 0.55s; }
.fade-up:nth-child(5) { animation-delay: 0.7s; }

@keyframes fade-in-up {
  to { opacity: 1; transform: translateY(0); }
}

/* Scroll-triggered reveals */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s cubic-bezier(0.4,0,0.2,1), transform 0.7s cubic-bezier(0.4,0,0.2,1);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.7s cubic-bezier(0.4,0,0.2,1), transform 0.7s cubic-bezier(0.4,0,0.2,1);
}
.reveal-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* Staggered service cards */
.service-card[data-index="0"] { transition-delay: 0s; }
.service-card[data-index="1"] { transition-delay: 0.1s; }
.service-card[data-index="2"] { transition-delay: 0.2s; }
.service-card[data-index="3"] { transition-delay: 0s; }
.service-card[data-index="4"] { transition-delay: 0.1s; }
.service-card[data-index="5"] { transition-delay: 0.2s; }

.project-card[data-index="0"] { transition-delay: 0s; }
.project-card[data-index="1"] { transition-delay: 0.12s; }
.project-card[data-index="2"] { transition-delay: 0.24s; }

.testi-card[data-index="0"] { transition-delay: 0s; }
.testi-card[data-index="1"] { transition-delay: 0.12s; }
.testi-card[data-index="2"] { transition-delay: 0.24s; }

/* ── Responsive ────────────────────────────────────────────── */

/* Tablet */
@media (max-width: 1024px) {
  :root { --section-gap: 90px; }

  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .testi-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
  .hero-visual { display: none; }
  .about-grid { grid-template-columns: 1fr; gap: 3rem; }
  .contact-grid { grid-template-columns: 1fr; }
}

/* Mobile */
@media (max-width: 768px) {
  :root { --section-gap: 70px; }

  /* Nav mobile */
  .hamburger { display: flex; }

  .nav-links {
    display: none;
    position: fixed;
    top: var(--nav-height); left: 0; right: 0;
    background: var(--bg-2);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    align-items: flex-start;
    padding: 1.5rem 24px 2rem;
    gap: 1.5rem;
    z-index: 999;
  }

  .nav-links.open { display: flex; }

  .hero-title { font-size: clamp(2.2rem, 9vw, 3.5rem); }
  .hero-stats { gap: 1.25rem; }

  .about-grid { gap: 2.5rem; }
  .values-strip { flex-wrap: wrap; }
  .value-item { min-width: 45%; }

  .services-grid { grid-template-columns: 1fr; }

  .projects-grid {
    grid-template-columns: 1fr;
    grid-template-rows: auto;
  }
  .p-card-large { grid-row: auto; }
  .p-card-large .pc-visual { height: 180px; }

  .testi-grid { grid-template-columns: 1fr; }

  .cta-box { padding: 3rem 2rem; }
  .cta-title { font-size: clamp(1.8rem, 7vw, 2.5rem); }

  .contact-grid { grid-template-columns: 1fr; }

  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .footer-bottom { flex-direction: column; text-align: center; }

  .hero-cta { flex-direction: column; }
  .btn { width: 100%; justify-content: center; }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .section-title { font-size: clamp(1.7rem, 7vw, 2.4rem); }
  .hero-stats { flex-direction: column; gap: 1rem; }
  .stat-divider { display: none; }
}