/* ============================================================
   AVS Technologies — Main Stylesheet
   Color Palette: Navy #0B1A3E | Cyan #17C8CF | Accent #4FC3F7
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Syne:wght@400;500;600;700;800&family=DM+Sans:wght@300;400;500;600&display=swap');

:root {
  --navy:       #0B1A3E;
  --navy-mid:   #122254;
  --navy-light: #1A2F6E;
  --cyan:       #17C8CF;
  --cyan-light: #4FC3F7;
  --white:      #FFFFFF;
  --off-white:  #F0F6FF;
  --gray:       #8A9BB5;
  --gray-light: #D0DCF0;
  --text:       #1E2D50;
  --card-bg:    #F5F9FF;
  --shadow:     0 8px 40px rgba(11,26,62,0.10);
  --shadow-lg:  0 20px 60px rgba(11,26,62,0.15);
  --radius:     12px;
  --radius-lg:  20px;
  --font-head:  'Syne', sans-serif;
  --font-body:  'DM Sans', sans-serif;
  --transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font-body);
  color: var(--text);
  background: var(--white);
  overflow-x: hidden;
  line-height: 1.7;
}

/* ─── SCROLLBAR ─────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--navy); }
::-webkit-scrollbar-thumb { background: var(--cyan); border-radius: 3px; }

/* ─── UTILITY ────────────────────────────────────────────── */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section { padding: 96px 0; }
.section-alt { background: var(--off-white); }

.tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(23,200,207,0.12);
  color: var(--cyan);
  font-family: var(--font-head);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 6px 16px;
  border-radius: 999px;
  border: 1px solid rgba(23,200,207,0.3);
  margin-bottom: 16px;
}
.tag::before {
  content: '';
  width: 6px; height: 6px;
  background: var(--cyan);
  border-radius: 50%;
}

h1,h2,h3,h4,h5 { font-family: var(--font-head); line-height: 1.15; color: var(--navy); }

.section-title {
  font-size: clamp(1.9rem, 3.5vw, 2.8rem);
  font-weight: 800;
  color: var(--navy);
  margin-bottom: 16px;
}
.section-title span { color: var(--cyan); }

.section-sub {
  font-size: 1.05rem;
  color: var(--gray);
  max-width: 540px;
  line-height: 1.8;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 32px;
  border-radius: 50px;
  font-family: var(--font-head);
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  transition: var(--transition);
  cursor: pointer;
  border: none;
  outline: none;
  letter-spacing: 0.03em;
}
.btn-primary {
  background: linear-gradient(135deg, var(--cyan) 0%, #0fa8af 100%);
  color: var(--white);
  box-shadow: 0 8px 30px rgba(23,200,207,0.4);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 40px rgba(23,200,207,0.55);
}
.btn-outline {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255,255,255,0.4);
}
.btn-outline:hover {
  background: rgba(255,255,255,0.1);
  border-color: var(--white);
  transform: translateY(-2px);
}
.btn-navy {
  background: var(--navy);
  color: var(--white);
  box-shadow: var(--shadow);
}
.btn-navy:hover {
  background: var(--navy-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

/* ─── NAVBAR ─────────────────────────────────────────────── */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 0;
  transition: var(--transition);
}
.navbar.scrolled {
  background: rgba(11,26,62,0.97);
  backdrop-filter: blur(16px);
  box-shadow: 0 4px 24px rgba(0,0,0,0.25);
  padding: 0;
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  max-width: 1200px;
  margin: 0 auto;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}
.nav-logo img {
  height: 48px;
  width: auto;
  filter: drop-shadow(0 0 8px rgba(23,200,207,0.3));
}
.nav-logo-text {
  display: flex;
  flex-direction: column;
}
.nav-logo-text .brand { font-family: var(--font-head); font-size: 1.3rem; font-weight: 800; color: var(--white); line-height:1; }
.nav-logo-text .sub { font-size: 0.65rem; letter-spacing: 0.2em; color: var(--cyan); text-transform: uppercase; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
  list-style: none;
}
.nav-links a {
  color: rgba(255,255,255,0.8);
  text-decoration: none;
  font-family: var(--font-head);
  font-size: 0.88rem;
  font-weight: 500;
  padding: 8px 14px;
  border-radius: 8px;
  transition: var(--transition);
}
.nav-links a:hover { color: var(--cyan); background: rgba(23,200,207,0.1); }
.nav-links a.active { color: var(--cyan); }

.nav-cta { margin-left: 16px; }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 6px;
  background: none;
  border: none;
}
.hamburger span {
  display: block;
  width: 26px; height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--transition);
}

.mobile-menu {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: var(--navy);
  z-index: 999;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 28px;
}
.mobile-menu.open { display: flex; }
.mobile-menu a {
  color: var(--white);
  text-decoration: none;
  font-family: var(--font-head);
  font-size: 1.6rem;
  font-weight: 700;
  transition: var(--transition);
}
.mobile-menu a:hover { color: var(--cyan); }
.mobile-close {
  position: absolute;
  top: 24px; right: 24px;
  background: none; border: none;
  color: var(--white);
  font-size: 2rem;
  cursor: pointer;
}

/* ─── HERO ───────────────────────────────────────────────── */
.hero {
  min-height: 100vh;
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-mid) 50%, #0d2060 100%);
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: 120px 0 80px;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 600px 500px at 75% 40%, rgba(23,200,207,0.12) 0%, transparent 70%),
    radial-gradient(ellipse 400px 300px at 20% 70%, rgba(79,195,247,0.08) 0%, transparent 60%);
  pointer-events: none;
}

/* Animated grid */
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(23,200,207,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(23,200,207,0.05) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}

/* Floating orbs */
.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
  animation: float 8s ease-in-out infinite;
}
.hero-orb-1 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(23,200,207,0.18) 0%, transparent 70%);
  top: -100px; right: -100px;
}
.hero-orb-2 {
  width: 250px; height: 250px;
  background: radial-gradient(circle, rgba(79,195,247,0.15) 0%, transparent 70%);
  bottom: 50px; left: 10%;
  animation-delay: -4s;
}

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

.hero-content {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(23,200,207,0.15);
  border: 1px solid rgba(23,200,207,0.35);
  color: var(--cyan-light);
  font-family: var(--font-head);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 8px 18px;
  border-radius: 999px;
  margin-bottom: 24px;
  animation: fadeInUp 0.6s ease both;
}
.hero-badge .dot {
  width: 8px; height: 8px;
  background: var(--cyan);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%,100% { box-shadow: 0 0 0 0 rgba(23,200,207,0.7); }
  50% { box-shadow: 0 0 0 6px rgba(23,200,207,0); }
}

.hero-title {
  font-family: var(--font-head);
  font-size: clamp(2.4rem, 5vw, 4rem);
  font-weight: 800;
  color: var(--white);
  line-height: 1.1;
  margin-bottom: 24px;
  animation: fadeInUp 0.6s 0.1s ease both;
}
.hero-title .accent {
  background: linear-gradient(135deg, var(--cyan) 0%, var(--cyan-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-title .line2 { display: block; }

.hero-desc {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.7);
  max-width: 480px;
  line-height: 1.8;
  margin-bottom: 36px;
  animation: fadeInUp 0.6s 0.2s ease both;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  animation: fadeInUp 0.6s 0.3s ease both;
}

.hero-stats {
  display: flex;
  gap: 32px;
  margin-top: 48px;
  animation: fadeInUp 0.6s 0.4s ease both;
}
.stat-item {}
.stat-num {
  font-family: var(--font-head);
  font-size: 2rem;
  font-weight: 800;
  color: var(--cyan);
  line-height: 1;
}
.stat-label {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.55);
  margin-top: 4px;
  letter-spacing: 0.05em;
}

/* Hero Visual */
.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
  animation: fadeInRight 0.8s 0.2s ease both;
}
.hero-logo-wrap {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-logo-bg {
  width: 340px; height: 340px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(23,200,207,0.15) 0%, rgba(11,26,62,0.5) 60%, transparent 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}
.hero-logo-bg::before, .hero-logo-bg::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(23,200,207,0.2);
  animation: ripple 4s linear infinite;
}
.hero-logo-bg::before { width: 360px; height: 360px; }
.hero-logo-bg::after { width: 420px; height: 420px; animation-delay: -2s; }

@keyframes ripple {
  0% { transform: scale(0.9); opacity: 0.8; }
  100% { transform: scale(1.1); opacity: 0; }
}

.hero-logo-img {
  width: 220px;
  height: auto;
  filter: drop-shadow(0 0 30px rgba(23,200,207,0.4));
  animation: float 6s ease-in-out infinite;
}

/* Floating tech badges */
.tech-badge {
  position: absolute;
  background: rgba(11,26,62,0.9);
  border: 1px solid rgba(23,200,207,0.3);
  border-radius: 10px;
  padding: 8px 14px;
  font-family: var(--font-head);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--cyan-light);
  white-space: nowrap;
  animation: float 5s ease-in-out infinite;
}
.tb-1 { top: 20px; left: -20px; animation-delay: 0s; }
.tb-2 { top: 80px; right: -30px; animation-delay: -1.5s; }
.tb-3 { bottom: 80px; right: -20px; animation-delay: -3s; }
.tb-4 { bottom: 20px; left: -30px; animation-delay: -4.5s; }

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(28px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeInRight {
  from { opacity: 0; transform: translateX(40px); }
  to   { opacity: 1; transform: translateX(0); }
}

/* ─── ABOUT ──────────────────────────────────────────────── */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.about-visual {
  position: relative;
}
.about-img-wrap {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.about-cards-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.about-card-mini {
  background: var(--white);
  border: 1px solid var(--gray-light);
  border-radius: var(--radius);
  padding: 24px 20px;
  text-align: center;
  transition: var(--transition);
  box-shadow: var(--shadow);
}
.about-card-mini:hover {
  border-color: var(--cyan);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.about-card-mini .icon {
  width: 48px; height: 48px;
  background: linear-gradient(135deg, rgba(23,200,207,0.15), rgba(79,195,247,0.1));
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin: 0 auto 12px;
}
.about-card-mini .num {
  font-family: var(--font-head);
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--navy);
  line-height: 1;
}
.about-card-mini .label {
  font-size: 0.8rem;
  color: var(--gray);
  margin-top: 4px;
}
.about-content .section-sub { margin-bottom: 24px; }
.about-points { list-style: none; margin: 24px 0 32px; }
.about-points li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--gray-light);
  font-size: 0.95rem;
  color: var(--text);
}
.about-points li:last-child { border-bottom: none; }
.about-points li::before {
  content: '✓';
  flex-shrink: 0;
  width: 22px; height: 22px;
  background: linear-gradient(135deg, var(--cyan), #0fa8af);
  border-radius: 50%;
  color: white;
  font-size: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 2px;
}

/* ─── SERVICES ───────────────────────────────────────────── */
.services-intro {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 56px;
  gap: 32px;
}
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.service-card {
  background: var(--white);
  border: 1px solid var(--gray-light);
  border-radius: var(--radius-lg);
  padding: 36px 30px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  group: true;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--cyan), var(--cyan-light));
  transform: scaleX(0);
  transform-origin: left;
  transition: var(--transition);
}
.service-card:hover::before { transform: scaleX(1); }
.service-card:hover {
  border-color: rgba(23,200,207,0.4);
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.service-icon {
  width: 64px; height: 64px;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(23,200,207,0.1), rgba(79,195,247,0.08));
  border: 1px solid rgba(23,200,207,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  margin-bottom: 20px;
  transition: var(--transition);
}
.service-card:hover .service-icon {
  background: linear-gradient(135deg, var(--cyan), #0fa8af);
  border-color: var(--cyan);
}
.service-card:hover .service-icon { filter: brightness(0) invert(1) saturate(0); }

.service-name {
  font-family: var(--font-head);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 12px;
}
.service-desc {
  font-size: 0.9rem;
  color: var(--gray);
  line-height: 1.75;
  margin-bottom: 20px;
}
.service-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.service-tag {
  background: var(--off-white);
  color: var(--navy);
  font-size: 0.72rem;
  font-weight: 500;
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid var(--gray-light);
}
.service-arrow {
  position: absolute;
  bottom: 30px; right: 30px;
  width: 36px; height: 36px;
  border-radius: 50%;
  border: 1px solid var(--gray-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray);
  font-size: 1.1rem;
  transition: var(--transition);
}
.service-card:hover .service-arrow {
  background: var(--cyan);
  border-color: var(--cyan);
  color: white;
  transform: rotate(-45deg);
}

/* ─── TECHNOLOGIES ───────────────────────────────────────── */
.tech-section { background: var(--navy); }
.tech-section .section-title { color: var(--white); }
.tech-section .section-sub { color: rgba(255,255,255,0.6); }
.tech-section .tag { border-color: rgba(23,200,207,0.4); }

.tech-categories {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}
.tech-cat-btn {
  padding: 8px 20px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.2);
  background: transparent;
  color: rgba(255,255,255,0.6);
  font-family: var(--font-head);
  font-size: 0.82rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
}
.tech-cat-btn.active,
.tech-cat-btn:hover {
  background: rgba(23,200,207,0.15);
  border-color: var(--cyan);
  color: var(--cyan);
}

.tech-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 16px;
}
.tech-item {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius);
  padding: 20px 16px;
  text-align: center;
  transition: var(--transition);
  cursor: default;
}
.tech-item:hover {
  background: rgba(23,200,207,0.1);
  border-color: rgba(23,200,207,0.4);
  transform: translateY(-4px);
}
.tech-item .t-icon { font-size: 2rem; margin-bottom: 10px; display: block; }
.tech-item .t-name {
  font-family: var(--font-head);
  font-size: 0.75rem;
  font-weight: 600;
  color: rgba(255,255,255,0.7);
  letter-spacing: 0.02em;
}

/* ─── PRODUCTS ───────────────────────────────────────────── */
.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.product-card {
  background: var(--white);
  border: 1px solid var(--gray-light);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  transition: var(--transition);
  display: flex;
  gap: 18px;
  align-items: flex-start;
}
.product-card:hover {
  border-color: rgba(23,200,207,0.4);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}
.product-icon {
  width: 48px; height: 48px;
  flex-shrink: 0;
  background: linear-gradient(135deg, rgba(23,200,207,0.12), rgba(79,195,247,0.08));
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
}
.product-info h4 {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--navy);
}
.product-info p {
  font-size: 0.82rem;
  color: var(--gray);
  line-height: 1.6;
}

/* ─── WHY US ─────────────────────────────────────────────── */
.why-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 80px;
  align-items: center;
}
.why-list { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.why-item {
  background: var(--white);
  border: 1px solid var(--gray-light);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: var(--transition);
}
.why-item:hover {
  border-color: var(--cyan);
  box-shadow: var(--shadow);
}
.why-item .wi-icon { font-size: 2rem; margin-bottom: 12px; }
.why-item h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 8px;
}
.why-item p { font-size: 0.85rem; color: var(--gray); line-height: 1.6; }

/* Process steps */
.process-steps { display: flex; flex-direction: column; gap: 0; }
.process-step {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  padding: 20px 0;
  border-bottom: 1px solid var(--gray-light);
  position: relative;
}
.process-step:last-child { border-bottom: none; }
.step-num {
  flex-shrink: 0;
  width: 40px; height: 40px;
  background: linear-gradient(135deg, var(--cyan), #0fa8af);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-head);
  font-size: 0.85rem;
  font-weight: 800;
  color: white;
}
.step-info h4 { font-size: 1rem; font-weight: 700; margin-bottom: 4px; }
.step-info p { font-size: 0.85rem; color: var(--gray); }

/* ─── CONTACT ────────────────────────────────────────────── */
.contact-section {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-mid) 100%);
  position: relative;
  overflow: hidden;
}
.contact-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 800px 500px at 80% 50%, rgba(23,200,207,0.08) 0%, transparent 70%);
  pointer-events: none;
}
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
  position: relative;
  z-index: 1;
}
.contact-section .section-title { color: var(--white); }
.contact-section .section-sub { color: rgba(255,255,255,0.6); }
.contact-section .tag { color: var(--cyan); }

.contact-info-items { margin-top: 32px; display: flex; flex-direction: column; gap: 20px; }
.ci-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.ci-icon {
  width: 44px; height: 44px;
  flex-shrink: 0;
  background: rgba(23,200,207,0.15);
  border: 1px solid rgba(23,200,207,0.3);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}
.ci-text label {
  display: block;
  font-size: 0.75rem;
  font-family: var(--font-head);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 4px;
}
.ci-text span, .ci-text a {
  font-size: 0.95rem;
  color: rgba(255,255,255,0.85);
  text-decoration: none;
  transition: var(--transition);
}
.ci-text a:hover { color: var(--cyan); }

/* Contact Form */
.contact-form {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-lg);
  padding: 40px;
  backdrop-filter: blur(10px);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { margin-bottom: 20px; }
.form-group label {
  display: block;
  font-family: var(--font-head);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.6);
  margin-bottom: 8px;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 10px;
  padding: 12px 16px;
  color: var(--white);
  font-family: var(--font-body);
  font-size: 0.92rem;
  transition: var(--transition);
  outline: none;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: rgba(255,255,255,0.3); }
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--cyan);
  background: rgba(23,200,207,0.08);
  box-shadow: 0 0 0 3px rgba(23,200,207,0.15);
}
.form-group select { cursor: pointer; }
.form-group select option { background: var(--navy); color: white; }
.form-group textarea { resize: vertical; min-height: 110px; }
.form-submit { width: 100%; justify-content: center; font-size: 1rem; padding: 15px; }

/* Form messages */
.form-msg {
  display: none;
  text-align: center;
  padding: 12px;
  border-radius: 8px;
  font-size: 0.9rem;
  margin-top: 12px;
}
.form-msg.success { background: rgba(23,200,207,0.2); color: var(--cyan); border: 1px solid rgba(23,200,207,0.4); display: block; }
.form-msg.error { background: rgba(255,80,80,0.15); color: #ff8080; border: 1px solid rgba(255,80,80,0.3); display: block; }

/* ─── FOOTER ─────────────────────────────────────────────── */
.footer {
  background: #070f24;
  color: rgba(255,255,255,0.6);
  padding: 64px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-brand .nav-logo { margin-bottom: 16px; }
.footer-brand p {
  font-size: 0.88rem;
  line-height: 1.8;
  max-width: 260px;
  margin-bottom: 24px;
}
.social-links { display: flex; gap: 12px; }
.social-link {
  width: 38px; height: 38px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.6);
  text-decoration: none;
  font-size: 0.9rem;
  transition: var(--transition);
}
.social-link:hover {
  background: var(--cyan);
  border-color: var(--cyan);
  color: white;
}
.footer-col h5 {
  font-family: var(--font-head);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--white);
  margin-bottom: 20px;
}
.footer-links { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-links a {
  color: rgba(255,255,255,0.55);
  text-decoration: none;
  font-size: 0.88rem;
  transition: var(--transition);
}
.footer-links a:hover { color: var(--cyan); padding-left: 4px; }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 0;
  font-size: 0.82rem;
  gap: 16px;
  flex-wrap: wrap;
}
.footer-bottom a { color: var(--cyan); text-decoration: none; }

/* ─── SCROLL TO TOP ──────────────────────────────────────── */
.scroll-top {
  position: fixed;
  bottom: 32px; right: 32px;
  width: 46px; height: 46px;
  background: linear-gradient(135deg, var(--cyan), #0fa8af);
  border-radius: 50%;
  border: none;
  color: white;
  font-size: 1.2rem;
  cursor: pointer;
  box-shadow: 0 6px 20px rgba(23,200,207,0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition);
}
.scroll-top.visible { opacity: 1; pointer-events: all; }
.scroll-top:hover { transform: translateY(-3px); }

/* ─── ANIMATIONS ─────────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-left {
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal-left.visible {
  opacity: 1;
  transform: translateX(0);
}
.reveal-right {
  opacity: 0;
  transform: translateX(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* ─── RESPONSIVE ─────────────────────────────────────────── */
@media (max-width: 1024px) {
  .hero-content { grid-template-columns: 1fr; gap: 48px; text-align: center; }
  .hero-desc { max-width: 100%; }
  .hero-actions { justify-content: center; }
  .hero-stats { justify-content: center; }
  .hero-visual { display: none; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .tech-grid { grid-template-columns: repeat(4, 1fr); }
  .about-grid { grid-template-columns: 1fr; gap: 48px; }
  .why-grid { grid-template-columns: 1fr; gap: 48px; }
  .contact-grid { grid-template-columns: 1fr; gap: 48px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .products-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .section { padding: 64px 0; }
  .nav-links, .nav-cta { display: none; }
  .hamburger { display: flex; }
  .services-grid { grid-template-columns: 1fr; }
  .tech-grid { grid-template-columns: repeat(3, 1fr); }
  .why-list { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .about-cards-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .services-intro { flex-direction: column; align-items: flex-start; }
  .products-grid { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .tech-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-stats { flex-wrap: wrap; gap: 20px; }
}