/* ============================================================
   AEROTECH MATERIALS — Global Stylesheet
   Design: Dark tech-industrial, inspired by IBEX Materials
   ============================================================ */

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

:root {
  --clr-bg:         #0a0c0f;
  --clr-bg-2:       #0f1217;
  --clr-bg-card:    #131820;
  --clr-border:     rgba(255,255,255,0.07);
  --clr-primary:    #00d4ff;
  --clr-primary-dk: #0099bb;
  --clr-accent:     #5be3c0;
  --clr-text:       #e8edf3;
  --clr-muted:      #7a8898;
  --clr-white:      #ffffff;
  --font-sans:      'Inter', 'Helvetica Neue', Arial, sans-serif;
  --font-display:   'Barlow Condensed', 'Impact', sans-serif;
  --radius:         4px;
  --transition:     0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --container-w:    1200px;
  --nav-h:          72px;
}

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

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

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { list-style: none; }

/* ---------- Typography ---------- */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  letter-spacing: 0.04em;
  line-height: 1.15;
}

.eyebrow {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--clr-primary);
}

/* ---------- Layout Helpers ---------- */
.container {
  width: 100%;
  max-width: var(--container-w);
  margin-inline: auto;
  padding-inline: 2rem;
}

.section { padding: 6rem 0; }
.section--sm { padding: 4rem 0; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  outline: none;
}

.btn-primary {
  background: var(--clr-primary);
  color: #000;
}
.btn-primary:hover {
  background: var(--clr-accent);
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(0, 212, 255, 0.3);
}

.btn-outline {
  background: transparent;
  color: var(--clr-primary);
  border: 1px solid var(--clr-primary);
}
.btn-outline:hover {
  background: rgba(0, 212, 255, 0.08);
  transform: translateY(-1px);
}

/* ---------- Navigation ---------- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  transition: background var(--transition), box-shadow var(--transition);
}

.nav.scrolled {
  background: rgba(10, 12, 15, 0.95);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 var(--clr-border);
}

.nav__inner {
  width: 100%;
  max-width: var(--container-w);
  margin-inline: auto;
  padding-inline: 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav__logo {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}
.nav__logo-name {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--clr-white);
  text-transform: uppercase;
}
.nav__logo-tag {
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  color: var(--clr-primary);
  text-transform: uppercase;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 2.5rem;
}

.nav__links a {
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--clr-muted);
  transition: color var(--transition);
  position: relative;
}
.nav__links a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0; right: 0;
  height: 1px;
  background: var(--clr-primary);
  transform: scaleX(0);
  transition: transform var(--transition);
}
.nav__links a:hover,
.nav__links a.active {
  color: var(--clr-white);
}
.nav__links a:hover::after,
.nav__links a.active::after {
  transform: scaleX(1);
}

/* Dropdown */
.nav__dropdown { position: relative; }
.nav__dropdown > a { display: flex; align-items: center; gap: 0.3rem; }
.nav__dropdown > a svg { width: 12px; transition: transform var(--transition); }
.nav__dropdown:hover > a svg { transform: rotate(180deg); }

.dropdown-menu {
  position: absolute;
  top: calc(100% + 12px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--clr-bg-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  padding: 0.5rem 0;
  min-width: 240px;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition), transform var(--transition);
  transform: translateX(-50%) translateY(-8px);
}
.nav__dropdown:hover .dropdown-menu {
  opacity: 1;
  pointer-events: all;
  transform: translateX(-50%) translateY(0);
}
.dropdown-menu a {
  display: block;
  padding: 0.6rem 1.25rem;
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--clr-muted);
  transition: color var(--transition), background var(--transition);
}
.dropdown-menu a:hover {
  color: var(--clr-white);
  background: rgba(0, 212, 255, 0.06);
}
.dropdown-menu a::after { display: none; }

.nav__cta { margin-left: 1rem; }

/* Hamburger */
.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
}
.nav__hamburger span {
  display: block;
  width: 24px; height: 1.5px;
  background: var(--clr-text);
  transition: var(--transition);
}
.nav__hamburger.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav__hamburger.open span:nth-child(2) { opacity: 0; }
.nav__hamburger.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* Mobile menu */
.nav__mobile {
  display: none;
  position: fixed;
  top: var(--nav-h); left: 0; right: 0;
  background: rgba(10, 12, 15, 0.98);
  backdrop-filter: blur(20px);
  padding: 2rem;
  z-index: 999;
  border-top: 1px solid var(--clr-border);
  flex-direction: column;
  gap: 1.5rem;
}
.nav__mobile.open { display: flex; }
.nav__mobile a {
  font-size: 1rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--clr-muted);
  transition: color var(--transition);
}
.nav__mobile a:hover { color: var(--clr-white); }

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

.hero__bg {
  position: absolute;
  inset: 0;
  background: 
    radial-gradient(ellipse 80% 60% at 60% 40%, rgba(0,212,255,0.08) 0%, transparent 60%),
    radial-gradient(ellipse 60% 50% at 10% 80%, rgba(91,227,192,0.05) 0%, transparent 50%),
    linear-gradient(160deg, #0a0c0f 0%, #0d1219 50%, #0a0c0f 100%);
}

.hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,212,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,212,255,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 70% 70% at 50% 50%, black, transparent);
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 800px;
}

.hero__eyebrow {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}
.hero__eyebrow::before {
  content: '';
  width: 32px; height: 1px;
  background: var(--clr-primary);
}

.hero__title {
  font-size: clamp(3rem, 7vw, 5.5rem);
  font-weight: 700;
  text-transform: uppercase;
  color: var(--clr-white);
  line-height: 1.0;
  margin-bottom: 1.5rem;
}
.hero__title span { color: var(--clr-primary); }

.hero__subtitle {
  font-size: 1.1rem;
  color: var(--clr-muted);
  max-width: 540px;
  margin-bottom: 2.5rem;
  line-height: 1.7;
}

.hero__actions { display: flex; gap: 1rem; flex-wrap: wrap; }

.hero__scroll {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: var(--clr-muted);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  animation: bounce 2s infinite;
}
.hero__scroll svg { width: 16px; }

@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(6px); }
}

/* ---------- Marquee ---------- */
.marquee-section {
  border-top: 1px solid var(--clr-border);
  border-bottom: 1px solid var(--clr-border);
  padding: 1.2rem 0;
  overflow: hidden;
  background: var(--clr-bg-2);
}
.marquee-track {
  display: flex;
  gap: 3rem;
  width: max-content;
  animation: marquee 25s linear infinite;
}
.marquee-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--clr-muted);
  white-space: nowrap;
}
.marquee-item .dot {
  width: 4px; height: 4px;
  border-radius: 50%;
  background: var(--clr-primary);
}
@keyframes marquee { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }

/* ---------- Section Headers ---------- */
.section-header { margin-bottom: 3.5rem; }
.section-header--center { text-align: center; }
.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  text-transform: uppercase;
  color: var(--clr-white);
  margin-top: 0.5rem;
}
.section-subtitle {
  margin-top: 0.75rem;
  color: var(--clr-muted);
  max-width: 560px;
  font-size: 0.95rem;
}
.section-header--center .section-subtitle { margin-inline: auto; }

/* ---------- Products Grid (homepage) ---------- */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5px;
  background: var(--clr-border);
  border: 1px solid var(--clr-border);
}

.product-card {
  background: var(--clr-bg-card);
  padding: 2.5rem 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transition: background var(--transition);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}
.product-card::before {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--clr-primary), var(--clr-accent));
  transform: scaleX(0);
  transition: transform var(--transition);
}
.product-card:hover { background: #161d26; }
.product-card:hover::before { transform: scaleX(1); }

.product-card__icon {
  width: 48px; height: 48px;
  border-radius: var(--radius);
  background: rgba(0, 212, 255, 0.08);
  border: 1px solid rgba(0, 212, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
}
.product-card__icon svg { width: 24px; color: var(--clr-primary); }

.product-card__num {
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  color: var(--clr-primary);
  opacity: 0.6;
}
.product-card__name {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--clr-white);
  line-height: 1.2;
}
.product-card__desc {
  font-size: 0.85rem;
  color: var(--clr-muted);
  line-height: 1.65;
  flex: 1;
}
.product-card__link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--clr-primary);
  transition: gap var(--transition);
}
.product-card:hover .product-card__link { gap: 0.7rem; }

/* ---------- Stats Strip ---------- */
.stats-strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  border: 1px solid var(--clr-border);
  background: var(--clr-bg-2);
}
.stat-item {
  padding: 2rem 2.5rem;
  border-right: 1px solid var(--clr-border);
  text-align: center;
}
.stat-item:last-child { border-right: none; }
.stat-num {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--clr-primary);
}
.stat-label {
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--clr-muted);
  margin-top: 0.25rem;
}

/* ---------- Applications Cards ---------- */
.app-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.app-card {
  background: var(--clr-bg-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  padding: 2rem;
  transition: border-color var(--transition), transform var(--transition);
}
.app-card:hover {
  border-color: rgba(0, 212, 255, 0.3);
  transform: translateY(-3px);
}
.app-card__icon {
  font-size: 2.2rem;
  margin-bottom: 1rem;
}
.app-card__title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--clr-white);
  margin-bottom: 0.6rem;
}
.app-card__text {
  font-size: 0.85rem;
  color: var(--clr-muted);
  line-height: 1.65;
}

/* ---------- Product Page Hero ---------- */
.page-hero {
  padding-top: calc(var(--nav-h) + 4rem);
  padding-bottom: 4rem;
  background: var(--clr-bg-2);
  border-bottom: 1px solid var(--clr-border);
  position: relative;
  overflow: hidden;
}
.page-hero__bg-line {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background-image: linear-gradient(rgba(0,212,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,212,255,0.03) 1px, transparent 1px);
  background-size: 40px 40px;
}
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--clr-muted);
}
.breadcrumb a { color: var(--clr-muted); transition: color var(--transition); }
.breadcrumb a:hover { color: var(--clr-primary); }
.breadcrumb .sep { color: var(--clr-border); }

.page-hero__tag {
  display: inline-block;
  background: rgba(0,212,255,0.1);
  border: 1px solid rgba(0,212,255,0.3);
  color: var(--clr-primary);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  padding: 0.3rem 0.75rem;
  border-radius: 2px;
  margin-bottom: 1rem;
}

.page-hero__title {
  font-size: clamp(2.2rem, 5vw, 4rem);
  font-weight: 700;
  text-transform: uppercase;
  color: var(--clr-white);
  margin-bottom: 1rem;
}
.page-hero__desc {
  font-size: 1rem;
  color: var(--clr-muted);
  max-width: 600px;
  line-height: 1.75;
}

/* ---------- Product Content ---------- */
.product-layout {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 3rem;
  align-items: start;
}

@media (max-width: 900px) {
  .product-layout { grid-template-columns: 1fr; }
}

.product-specs-box {
  background: var(--clr-bg-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  padding: 2rem;
  position: sticky;
  top: calc(var(--nav-h) + 2rem);
}
.product-specs-box__title {
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--clr-primary);
  margin-bottom: 1.25rem;
}

.specs-table { width: 100%; }
.specs-table tr + tr td { border-top: 1px solid var(--clr-border); }
.specs-table td {
  padding: 0.75rem 0;
  font-size: 0.82rem;
}
.specs-table td:first-child { color: var(--clr-muted); width: 45%; }
.specs-table td:last-child { color: var(--clr-text); font-weight: 500; }

.spec-divider {
  height: 1px;
  background: var(--clr-border);
  margin: 1.5rem 0;
}

.content-prose h2 {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--clr-white);
  margin-bottom: 1rem;
  margin-top: 2.5rem;
}
.content-prose h2:first-child { margin-top: 0; }
.content-prose p {
  color: var(--clr-muted);
  line-height: 1.75;
  margin-bottom: 1.2rem;
  font-size: 0.95rem;
}
.content-prose ul {
  margin-bottom: 1.2rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.content-prose ul li {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  color: var(--clr-muted);
  font-size: 0.92rem;
  line-height: 1.6;
}
.content-prose ul li::before {
  content: '';
  flex-shrink: 0;
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--clr-primary);
  margin-top: 0.52rem;
}

/* Feature Tags */
.feature-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1rem;
}
.feature-tag {
  background: rgba(0,212,255,0.06);
  border: 1px solid rgba(0,212,255,0.2);
  color: var(--clr-primary);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.3rem 0.7rem;
  border-radius: 2px;
}

/* Product visual placeholder */
.product-visual {
  width: 100%;
  aspect-ratio: 16 / 9;
  background: var(--clr-bg-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  margin-bottom: 2rem;
  position: relative;
}
.product-visual__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  color: var(--clr-muted);
  opacity: 0.4;
}
.product-visual__inner svg { width: 48px; }
.product-visual__inner span {
  font-size: 0.72rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

/* ---------- Related Products ---------- */
.related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  margin-top: 2rem;
}
.related-card {
  background: var(--clr-bg-card);
  border: 1px solid var(--clr-border);
  padding: 1.5rem;
  border-radius: var(--radius);
  transition: border-color var(--transition);
}
.related-card:hover { border-color: rgba(0,212,255,0.35); }
.related-card__name {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--clr-white);
  margin-bottom: 0.4rem;
}
.related-card__link {
  font-size: 0.72rem;
  color: var(--clr-primary);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
}

/* ---------- Applications Page ---------- */
.app-hero-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5px;
  background: var(--clr-border);
  margin-top: 3rem;
}
.app-industry-card {
  background: var(--clr-bg-card);
  padding: 3rem 2.5rem;
  position: relative;
  overflow: hidden;
  transition: background var(--transition);
}
.app-industry-card:hover { background: #161d26; }
.app-industry-card__num {
  position: absolute;
  top: 1.5rem; right: 2rem;
  font-family: var(--font-display);
  font-size: 4rem;
  font-weight: 700;
  color: rgba(0,212,255,0.05);
  line-height: 1;
}
.app-industry-card__icon { font-size: 2.5rem; margin-bottom: 1rem; }
.app-industry-card__title {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--clr-white);
  margin-bottom: 0.75rem;
}
.app-industry-card__text {
  font-size: 0.85rem;
  color: var(--clr-muted);
  line-height: 1.7;
  margin-bottom: 1rem;
}
.app-products-used {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 1rem;
}
.app-prod-tag {
  background: rgba(91,227,192,0.08);
  border: 1px solid rgba(91,227,192,0.25);
  color: var(--clr-accent);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.25rem 0.6rem;
  border-radius: 2px;
}

/* ---------- Contact Page ---------- */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}
@media (max-width: 768px) { .contact-layout { grid-template-columns: 1fr; } }

.contact-info__title {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--clr-white);
  margin-bottom: 1rem;
}
.contact-info__text {
  color: var(--clr-muted);
  line-height: 1.75;
  margin-bottom: 2.5rem;
  font-size: 0.95rem;
}
.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.25rem 0;
  border-top: 1px solid var(--clr-border);
}
.contact-item:last-child { border-bottom: 1px solid var(--clr-border); }
.contact-item__icon {
  width: 36px; height: 36px;
  background: rgba(0,212,255,0.08);
  border: 1px solid rgba(0,212,255,0.2);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.contact-item__icon svg { width: 16px; color: var(--clr-primary); }
.contact-item__label {
  font-size: 0.68rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--clr-primary);
  margin-bottom: 0.25rem;
}
.contact-item__value {
  color: var(--clr-text);
  font-size: 0.9rem;
}

/* Form */
.contact-form {
  background: var(--clr-bg-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  padding: 2.5rem;
}
.form-group { margin-bottom: 1.25rem; }
.form-group label {
  display: block;
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--clr-muted);
  margin-bottom: 0.5rem;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  color: var(--clr-text);
  font-family: var(--font-sans);
  font-size: 0.88rem;
  padding: 0.75rem 1rem;
  outline: none;
  transition: border-color var(--transition);
  appearance: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus { border-color: var(--clr-primary); }
.form-group textarea { min-height: 120px; resize: vertical; }
.form-group select option { background: var(--clr-bg-card); }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
@media (max-width: 500px) { .form-row { grid-template-columns: 1fr; } }

/* ---------- CTA Banner ---------- */
.cta-banner {
  background: linear-gradient(135deg, rgba(0,212,255,0.08) 0%, rgba(91,227,192,0.05) 100%);
  border-top: 1px solid rgba(0,212,255,0.15);
  border-bottom: 1px solid rgba(0,212,255,0.15);
  padding: 5rem 0;
  text-align: center;
}
.cta-banner__title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  text-transform: uppercase;
  color: var(--clr-white);
  margin-bottom: 1rem;
}
.cta-banner__text {
  color: var(--clr-muted);
  font-size: 1rem;
  max-width: 480px;
  margin: 0 auto 2rem;
  line-height: 1.7;
}
.cta-banner__actions { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

/* ---------- Footer ---------- */
.footer {
  background: var(--clr-bg-2);
  border-top: 1px solid var(--clr-border);
  padding: 4rem 0 2rem;
}
.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid var(--clr-border);
}
@media (max-width: 900px) {
  .footer__grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 540px) {
  .footer__grid { grid-template-columns: 1fr; }
}

.footer__brand .nav__logo-name { font-size: 1.2rem; margin-bottom: 0.25rem; }
.footer__brand p {
  font-size: 0.82rem;
  color: var(--clr-muted);
  line-height: 1.65;
  margin-top: 0.75rem;
  max-width: 280px;
}

.footer__col-title {
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--clr-primary);
  margin-bottom: 1.25rem;
}
.footer__links {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}
.footer__links a {
  font-size: 0.82rem;
  color: var(--clr-muted);
  transition: color var(--transition);
}
.footer__links a:hover { color: var(--clr-text); }

.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1.5rem;
  flex-wrap: wrap;
  gap: 1rem;
}
.footer__copy {
  font-size: 0.75rem;
  color: var(--clr-muted);
}
.footer__socials {
  display: flex;
  gap: 1rem;
}
.footer__socials a {
  width: 32px; height: 32px;
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--clr-muted);
  font-size: 0.75rem;
  transition: border-color var(--transition), color var(--transition);
}
.footer__socials a:hover {
  border-color: var(--clr-primary);
  color: var(--clr-primary);
}

/* ---------- Scroll Reveal Animations ---------- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ---------- Responsive ---------- */
@media (max-width: 768px) {
  .nav__links, .nav__cta { display: none; }
  .nav__hamburger { display: flex; }
  .hero__title { font-size: 2.8rem; }
  .section { padding: 4rem 0; }
  .stats-strip { grid-template-columns: 1fr 1fr; }
  .stat-item:nth-child(2) { border-right: none; }
}

/* ---------- Page transition ---------- */
.page-fade {
  animation: pageFadeIn 0.5s ease;
}
@keyframes pageFadeIn {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}