/* ═══════════════════════════════════════════════
   ARSTEC – Blue & White Theme
═══════════════════════════════════════════════ */

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

:root {
  --bg-0: #ffffff;
  --bg-1: #f4f8ff;
  --bg-2: #e8f0fe;
  --bg-card: #ffffff;
  --bg-card-hover: #f0f6ff;
  --border: rgba(37, 99, 235, 0.12);
  --border-bright: rgba(37, 99, 235, 0.3);
  --text-primary: #0d1f4e;
  --text-secondary: #3d5080;
  --text-muted: #7a8fb0;
  --blue: #2563eb;
  --blue-light: #3b82f6;
  --cyan: #0284c7;
  --cyan-light: #0ea5e9;
  --accent-grad: linear-gradient(135deg, #2563eb, #0ea5e9);
  --glow-blue: rgba(37, 99, 235, 0.10);
  --glow-cyan: rgba(14, 165, 233, 0.10);
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 8px 32px rgba(37, 99, 235, 0.12);
  --shadow-lg: 0 16px 48px rgba(37, 99, 235, 0.18);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--bg-0);
  color: var(--text-primary);
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ── TYPOGRAPHY ── */
h1, h2, h3, h4 { font-weight: 700; line-height: 1.15; letter-spacing: -0.02em; color: var(--text-primary); }
h1 { font-size: clamp(2.4rem, 6vw, 4.5rem); }
h2 { font-size: clamp(1.8rem, 4vw, 3rem); }
h3 { font-size: 1.35rem; }
h4 { font-size: 1.1rem; }
p { color: var(--text-secondary); font-size: 1rem; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

.gradient-text {
  background: var(--accent-grad);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── CONTAINER ── */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ── SECTION COMMON ── */
.section { padding: 120px 0; position: relative; }

.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 72px;
}
.section-header p { margin-top: 16px; font-size: 1.05rem; }

.contact-company-name {
  margin-top: 10px !important;
  font-size: 0.78rem !important;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--blue) !important;
  opacity: 0.8;
}

.section-tag {
  display: inline-block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--blue);
  background: rgba(37, 99, 235, 0.08);
  border: 1px solid rgba(37, 99, 235, 0.2);
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 20px;
}

/* ── BUTTONS ── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent-grad);
  color: #fff;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 14px 28px;
  border-radius: 10px;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 4px 20px rgba(37, 99, 235, 0.25);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(37, 99, 235, 0.38);
}
.btn-primary.full { width: 100%; justify-content: center; }
.btn-arrow { transition: transform var(--transition); }
.btn-primary:hover .btn-arrow { transform: translateX(4px); }

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--blue);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 13px 28px;
  border-radius: 10px;
  border: 2px solid var(--border-bright);
  background: transparent;
  cursor: pointer;
  transition: var(--transition);
}
.btn-ghost:hover {
  background: rgba(37, 99, 235, 0.06);
  border-color: var(--blue);
  transform: translateY(-2px);
}

/* ── NAV ── */
.nav-wrap {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: #ffffff;
  border-bottom: 1px solid var(--border);
  box-shadow: 0 2px 16px rgba(37, 99, 235, 0.08);
  transition: var(--transition);
}
.nav-wrap.scrolled {
  box-shadow: 0 4px 24px rgba(37, 99, 235, 0.12);
}
.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 10px 24px;
  display: flex;
  align-items: center;
  gap: 40px;
}
.nav-logo {
  display: flex;
  align-items: center;
}
.nav-logo-img {
  height: 80px;
  width: auto;
  transition: opacity var(--transition);
  display: block;
}
.nav-logo:hover .nav-logo-img { opacity: 0.85; }
.footer-logo-img {
  height: 40px;
  width: auto;
  display: block;
  margin-bottom: 16px;
}

.nav-links {
  display: flex;
  gap: 4px;
  margin-left: auto;
}
.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 8px 14px;
  border-radius: 8px;
  transition: var(--transition);
}
.nav-links a:hover { color: var(--blue); background: rgba(37, 99, 235, 0.06); }

.btn-nav {
  font-size: 0.88rem;
  font-weight: 700;
  color: #fff;
  background: var(--accent-grad);
  border: none;
  padding: 10px 22px;
  border-radius: 8px;
  transition: var(--transition);
  white-space: nowrap;
  box-shadow: 0 2px 12px rgba(37, 99, 235, 0.25);
}
.btn-nav:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(37, 99, 235, 0.35);
}

.nav-burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  margin-left: auto;
}
.nav-burger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: var(--transition);
}

/* ── HERO ── */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: 120px 0 80px;
  background: linear-gradient(160deg, #dbeafe 0%, #eff6ff 40%, #f0f9ff 70%, #e0f2fe 100%);
}

#heroCanvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 50% at 20% 20%, rgba(37,99,235,0.08) 0%, transparent 60%),
    radial-gradient(ellipse 60% 40% at 80% 70%, rgba(14,165,233,0.07) 0%, transparent 60%);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 760px;
  margin: 0 auto;
  padding: 0 24px;
  text-align: center;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--blue);
  background: rgba(37, 99, 235, 0.08);
  border: 1px solid rgba(37, 99, 235, 0.2);
  padding: 8px 18px;
  border-radius: 100px;
  margin-bottom: 32px;
}

.dot-pulse {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

.hero-title {
  margin-bottom: 24px;
  margin-top: 0;
  color: var(--text-primary);
}

.hero-sub {
  font-size: clamp(1rem, 1.8vw, 1.15rem);
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 40px;
  line-height: 1.7;
}

.hero-ctas {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 0;
}

.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  background: rgba(255,255,255,0.75);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px 40px;
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow);
}
.stat { text-align: center; padding: 0 36px; }
.stat-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 2.2rem;
  font-weight: 700;
  background: var(--accent-grad);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.stat-unit {
  font-family: 'JetBrains Mono', monospace;
  font-size: 1rem;
  color: var(--cyan);
}
.stat p { font-size: 0.8rem; color: var(--text-muted); margin-top: 4px; }
.stat-divider { width: 1px; height: 48px; background: var(--border); }

.hero-scroll-hint {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  z-index: 2;
  animation: fadeUp 1s ease 1.5s both;
}
.scroll-arrow {
  width: 20px;
  height: 20px;
  border-right: 2px solid var(--text-muted);
  border-bottom: 2px solid var(--text-muted);
  transform: rotate(45deg);
  animation: bounce 2s ease-in-out infinite;
}
@keyframes bounce {
  0%, 100% { transform: rotate(45deg) translateY(0); }
  50% { transform: rotate(45deg) translateY(5px); }
}
@keyframes fadeUp {
  from { opacity: 0; transform: translateX(-50%) translateY(10px); }
  to   { opacity: 1; transform: translateX(-50%) translateY(0); }
}

/* ── SERVICES ── */
.services { background: var(--bg-0); }

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px;
  overflow: hidden;
  transition: var(--transition);
  box-shadow: 0 2px 12px rgba(37, 99, 235, 0.06);
}
.service-card:hover {
  border-color: var(--border-bright);
  background: var(--bg-card-hover);
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}
.service-card.featured {
  border-color: rgba(14, 165, 233, 0.35);
  background: linear-gradient(135deg, rgba(14,165,233,0.04), #ffffff);
}

.card-glow {
  position: absolute;
  top: -60px; right: -60px;
  width: 200px; height: 200px;
  border-radius: 50%;
  filter: blur(60px);
  pointer-events: none;
}
.glow-blue { background: var(--glow-blue); }
.glow-cyan { background: var(--glow-cyan); }

.card-badge {
  position: absolute;
  top: 20px; right: 20px;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--cyan);
  background: rgba(14,165,233,0.1);
  border: 1px solid rgba(14,165,233,0.3);
  padding: 4px 12px;
  border-radius: 100px;
}

.card-icon-wrap {
  width: 56px; height: 56px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}
.card-icon-wrap.blue {
  background: rgba(37,99,235,0.08);
  border: 1px solid rgba(37,99,235,0.18);
  color: var(--blue);
}
.card-icon-wrap.cyan {
  background: rgba(14,165,233,0.08);
  border: 1px solid rgba(14,165,233,0.18);
  color: var(--cyan);
}
.card-icon-wrap svg { width: 32px; height: 32px; }

.card-tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.service-card h3 { margin-bottom: 12px; }
.service-card p { font-size: 0.95rem; margin-bottom: 24px; }

.card-features {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 32px;
}
.card-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.88rem;
  color: var(--text-secondary);
}
.feat-icon { color: var(--blue); font-size: 0.5rem; flex-shrink: 0; }

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--blue);
  transition: var(--transition);
}
.card-link span { transition: transform var(--transition); }
.card-link:hover { color: var(--cyan); }
.card-link:hover span { transform: translateX(4px); }

/* ── TECHNOLOGY ── */
.technology {
  background: var(--bg-1);
  overflow: hidden;
}
.technology::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-bright), transparent);
}

.tech-pipeline {
  display: flex;
  align-items: center;
  gap: 0;
  margin-bottom: 72px;
  overflow-x: auto;
  padding-bottom: 8px;
}

.pipeline-step {
  flex: 1;
  min-width: 240px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 28px;
  text-align: center;
  transition: var(--transition);
  box-shadow: 0 2px 12px rgba(37, 99, 235, 0.06);
}
.pipeline-step:hover {
  border-color: var(--border-bright);
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

.step-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--blue);
  letter-spacing: 0.1em;
  margin-bottom: 16px;
  opacity: 0.5;
}

.step-icon {
  width: 52px; height: 52px;
  margin: 0 auto 18px;
  color: var(--blue);
}
.step-icon svg { width: 100%; height: 100%; }

.pipeline-step h4 { margin-bottom: 10px; }
.pipeline-step p { font-size: 0.88rem; }

.pipeline-arrow {
  flex-shrink: 0;
  width: 48px;
  display: flex;
  justify-content: center;
  color: var(--text-muted);
}
.pipeline-arrow svg { width: 40px; height: 20px; }

/* Industry tags */
.industry-wrap { text-align: center; }
.industry-label {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 20px;
}
.industry-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
}
.industry-tags span {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 8px 18px;
  border-radius: 100px;
  transition: var(--transition);
  cursor: default;
  box-shadow: 0 1px 6px rgba(37, 99, 235, 0.05);
}
.industry-tags span:hover {
  border-color: var(--blue);
  color: var(--blue);
  background: rgba(37, 99, 235, 0.05);
  transform: translateY(-2px);
}

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

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

/* Mockup */
.about-visual { position: relative; }
.about-card-mockup {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 24px 64px rgba(37, 99, 235, 0.15);
}
.mockup-bar {
  background: var(--bg-1);
  border-bottom: 1px solid var(--border);
  padding: 14px 18px;
  display: flex;
  gap: 8px;
  align-items: center;
}
.dot { width: 10px; height: 10px; border-radius: 50%; }
.dot.red { background: #ff5f57; }
.dot.yellow { background: #febc2e; }
.dot.green { background: #28c840; }

.mockup-content { padding: 28px; }
.mockup-line {
  height: 10px;
  background: rgba(37, 99, 235, 0.07);
  border-radius: 5px;
  margin-bottom: 10px;
}
.mockup-line.w80 { width: 80%; }
.mockup-line.w60 { width: 60%; }

.mockup-chart {
  display: flex;
  align-items: flex-end;
  gap: 8px;
  height: 100px;
  margin: 28px 0 20px;
  padding: 0 4px;
}
.chart-bar {
  flex: 1;
  background: rgba(37, 99, 235, 0.15);
  border-radius: 4px 4px 0 0;
  border: 1px solid rgba(37, 99, 235, 0.2);
  animation: barGrow 1.2s ease both;
}
.chart-bar.active {
  background: linear-gradient(180deg, rgba(14,165,233,0.7), rgba(37,99,235,0.4));
  border-color: rgba(14,165,233,0.6);
}
@keyframes barGrow {
  from { transform: scaleY(0); transform-origin: bottom; }
  to   { transform: scaleY(1); }
}

.mockup-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  color: var(--text-secondary);
  background: rgba(40, 200, 64, 0.06);
  border: 1px solid rgba(40, 200, 64, 0.25);
  padding: 10px 16px;
  border-radius: 8px;
}
.badge-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: #28c840;
  animation: pulse 2s ease-in-out infinite;
  flex-shrink: 0;
}

/* Float tags */
.about-float-tag {
  position: absolute;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--blue);
  background: rgba(255,255,255,0.9);
  border: 1px solid rgba(37, 99, 235, 0.25);
  padding: 6px 14px;
  border-radius: 8px;
  backdrop-filter: blur(8px);
  box-shadow: 0 4px 16px rgba(37, 99, 235, 0.12);
}
.tag1 { top: -16px; right: 20px; animation: floatY 3s ease-in-out infinite; }
.tag2 { bottom: 30px; right: -16px; animation: floatY 3.5s ease-in-out infinite reverse; }
.tag3 { bottom: -16px; left: 40px; animation: floatY 4s ease-in-out infinite 0.5s; }
@keyframes floatY {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

/* About text */
.about-text .section-tag { margin-top: 0; }
.about-text h2 { margin-bottom: 20px; }
.about-text p { margin-bottom: 16px; font-size: 1rem; }

.about-pillars {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin: 32px 0 36px;
}
.pillar {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  transition: var(--transition);
}
.pillar:hover {
  border-color: var(--border-bright);
  box-shadow: var(--shadow);
}
.pillar-icon { font-size: 1.1rem; color: var(--blue); margin-top: 2px; flex-shrink: 0; }
.pillar strong { display: block; font-size: 0.95rem; color: var(--text-primary); margin-bottom: 2px; }
.pillar p { font-size: 0.85rem; margin: 0; }

/* ── CONTACT ── */
.contact { background: var(--bg-0); }
.contact::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-bright), transparent);
}

.contact-grid {
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: 48px;
  align-items: start;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.info-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 18px;
  background: var(--bg-1);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  transition: var(--transition);
}
.info-item:hover {
  border-color: var(--border-bright);
  box-shadow: var(--shadow);
}
.info-icon {
  width: 44px; height: 44px;
  flex-shrink: 0;
  background: rgba(37, 99, 235, 0.08);
  border: 1px solid rgba(37, 99, 235, 0.18);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--blue);
}
.info-icon svg { width: 20px; height: 20px; }
.info-item strong { display: block; font-size: 0.9rem; color: var(--text-primary); margin-bottom: 4px; }
.info-item p { font-size: 0.88rem; line-height: 1.6; margin: 0; }

/* Form */
.contact-form {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px;
  box-shadow: 0 4px 24px rgba(37, 99, 235, 0.08);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 16px;
}
.form-group label {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text-secondary);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.form-group input,
.form-group select,
.form-group textarea {
  background: var(--bg-1);
  border: 1.5px solid var(--border);
  border-radius: 8px;
  color: var(--text-primary);
  font-family: 'Inter', sans-serif;
  font-size: 0.93rem;
  padding: 12px 16px;
  outline: none;
  transition: var(--transition);
  width: 100%;
  resize: vertical;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text-muted); }
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--blue);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}
.form-group select option { background: #fff; color: var(--text-primary); }

/* ── FOOTER ── */
.footer {
  background: var(--text-primary);
  color: rgba(255,255,255,0.85);
  padding: 72px 0 32px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 56px;
}
.footer-brand .footer-logo-img { filter: brightness(0) invert(1); }
.footer-brand p { font-size: 0.88rem; max-width: 280px; color: rgba(255,255,255,0.6); }
.footer-col strong {
  display: block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.4);
  margin-bottom: 16px;
}
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col ul a {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.65);
  transition: color var(--transition);
}
.footer-col ul a:hover { color: #fff; }
.footer-col p { font-size: 0.88rem; line-height: 1.7; color: rgba(255,255,255,0.6); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 28px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}
.footer-bottom p { font-size: 0.82rem; color: rgba(255,255,255,0.45); }
.footer-sub { color: rgba(255,255,255,0.3) !important; }

/* ── AOS ── */
[data-aos] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
[data-aos].aos-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── RESPONSIVE ── */
@media (max-width: 1024px) {
  .services-grid { grid-template-columns: 1fr 1fr; }
  .about-grid { grid-template-columns: 1fr; gap: 48px; }
  .about-visual { order: 2; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .services-grid { grid-template-columns: 1fr; }
  .section { padding: 80px 0; }
  .nav-links, .btn-nav { display: none; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 72px;
    left: 0; right: 0;
    background: rgba(255,255,255,0.98);
    backdrop-filter: blur(20px);
    padding: 24px;
    border-bottom: 1px solid var(--border);
    gap: 4px;
    box-shadow: 0 8px 32px rgba(37,99,235,0.1);
  }
  .nav-links.open a { font-size: 1rem; padding: 12px 16px; color: var(--text-primary); }
  .nav-burger { display: flex; }
  .tech-pipeline { flex-direction: column; }
  .pipeline-arrow { transform: rotate(90deg); }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
  .hero-ctas { flex-direction: column; align-items: center; }
  .service-card { padding: 28px 24px; }
  .contact-form { padding: 24px 20px; }
}