:root {
  --bg-dark: #050814;
  --bg-section-dark: #0B1120;
  --bg-light: #F3F4F6;
  --bg-light-tint: #E5EDF0;
  --footer-bg: #020617;
  --surface: #111827;
  --glass: rgba(5, 8, 20, 0.72);
  --border: #1F2933;
  --text-light: #F9FAFB;
  --text-muted: #9CA3AF;
  --text-dark: #111827;
  --text-body: #4B5563;
  --accent: #334155;
  --accent-hover: #4b5568;
  --radius-card: 16px;
  --radius-large: 18px;
  --radius-pill: 999px;
  --shadow-card: 0 14px 32px rgba(0, 0, 0, 0.35);
  --shadow-soft: 0 12px 28px rgba(0, 0, 0, 0.2);
  --max-width: 1200px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Poppins", "Montserrat", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text-dark);
  background: #f8fafc;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

body.home,
body.product {
  background: var(--bg-dark);
  color: var(--text-light);
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

.container {
  width: min(var(--max-width), 100%);
  padding: 0 32px;
  margin: 0 auto;
}

.page-dark {
  min-height: 100vh;
  background:
    radial-gradient(1000px 600px at 50% 10%, rgba(120,150,255,.18), transparent 60%),
    #070A12;
  color: rgba(255,255,255,.92);
}

.center-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px 0;
}

.card-glass {
  width: min(520px, 92vw);
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 18px;
  padding: 32px;
  backdrop-filter: blur(16px);
  box-shadow: 0 40px 120px rgba(0,0,0,.45);
  color: rgba(255,255,255,.92);
}

main section {
  padding: 100px 0;
}

h1 {
  font-size: 56px;
  font-weight: 700;
  letter-spacing: 0.08em;
  margin: 0 0 16px;
  color: inherit;
}

h2 {
  font-size: 32px;
  font-weight: 600;
  margin: 0 0 16px;
  color: inherit;
}

h3 {
  font-size: 20px;
  font-weight: 600;
  margin: 0 0 10px;
  color: inherit;
}

p {
  margin: 0 0 14px;
  color: var(--text-body);
}

body.home p,
body.product p {
  color: var(--text-muted);
}

.site-header {
  background: #ffffff;
  color: var(--text-dark);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
  position: relative;
  z-index: 30;
}

.header-inner {
  min-height: 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.logo {
  font-weight: 700;
  letter-spacing: 0.08em;
  font-size: 16px;
}

.brand {
  display: inline-flex;
  align-items: center;
}

.nav-desktop {
  flex: 1;
  display: flex;
  justify-content: center;
  gap: 32px;
  flex-wrap: wrap;
  row-gap: 8px;
}

.nav-desktop a {
  font-weight: 500;
  color: var(--text-body);
  padding-bottom: 4px;
  border-bottom: 2px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.nav-desktop a:hover {
  color: var(--accent);
}

.nav-desktop a.active {
  color: var(--accent);
  border-color: var(--accent);
}

.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 48px;
  min-width: 48px;
  height: 48px;
  border: 1px solid rgba(15, 23, 42, 0.2);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.82);
  color: #111827;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  transition: background-color 0.2s ease, border-color 0.2s ease;
}

.nav-toggle:hover {
  background: #f8fafc;
  border-color: rgba(15, 23, 42, 0.3);
}

.hamburger,
.hamburger::before,
.hamburger::after {
  display: block;
  width: 20px;
  height: 2px;
  border-radius: 2px;
  background: currentColor;
  transition: transform 0.22s ease, opacity 0.22s ease, background-color 0.22s ease;
}

.hamburger {
  position: relative;
}

.hamburger::before,
.hamburger::after {
  content: "";
  position: absolute;
  left: 0;
}

.hamburger::before {
  top: -6px;
}

.hamburger::after {
  top: 6px;
}

.nav-toggle[aria-expanded="true"] .hamburger {
  background: transparent;
}

.nav-toggle[aria-expanded="true"] .hamburger::before {
  transform: translateY(6px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .hamburger::after {
  transform: translateY(-6px) rotate(-45deg);
}

.mobile-nav {
  position: fixed;
  inset: 0;
  z-index: 1200;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

.mobile-nav.is-open {
  opacity: 1;
  pointer-events: auto;
}

.mobile-nav__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(2, 6, 23, 0.6);
  opacity: 0;
  transition: opacity 0.25s ease;
}

.mobile-nav.is-open .mobile-nav__backdrop {
  opacity: 1;
}

.mobile-nav__panel {
  position: absolute;
  top: 0;
  right: 0;
  width: min(86vw, 360px);
  height: 100%;
  max-height: 100dvh;
  background: #0B1120;
  color: #fff;
  padding: max(20px, env(safe-area-inset-top)) max(20px, env(safe-area-inset-right)) max(24px, env(safe-area-inset-bottom)) 20px;
  box-shadow: -26px 0 60px rgba(0, 0, 0, 0.45);
  transform: translateX(100%);
  transition: transform 0.32s cubic-bezier(0.2, 0.78, 0.2, 1);
  display: flex;
  flex-direction: column;
  gap: 16px;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

.mobile-nav.is-open .mobile-nav__panel {
  transform: translateX(0);
}

.mobile-nav__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.mobile-nav__title {
  font-size: 14px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(226, 232, 240, 0.85);
}

.mobile-nav__close {
  width: 44px;
  height: 44px;
  min-width: 44px;
  border-radius: 12px;
  border: 1px solid rgba(148, 163, 184, 0.45);
  background: rgba(148, 163, 184, 0.12);
  color: #f8fafc;
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
}

.mobile-nav__links {
  display: grid;
  gap: 10px;
  padding: 6px 0;
}

.mobile-nav__links a {
  display: block;
  padding: 11px 12px;
  border-radius: 10px;
  color: #f8fafc;
  font-weight: 600;
  font-size: 15px;
  border: 1px solid transparent;
  transition: background-color 0.2s ease, border-color 0.2s ease;
}

.mobile-nav__links a:hover,
.mobile-nav__links a:focus-visible {
  background: rgba(148, 163, 184, 0.14);
  border-color: rgba(148, 163, 184, 0.24);
}

.mobile-nav__links a.active {
  color: #93c5fd;
}

.mobile-nav__cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 16px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.12);
  color: #f8fafc;
  border: 1px solid rgba(148, 163, 184, 0.45);
  font-weight: 700;
  text-align: center;
  margin-top: auto;
  min-height: 44px;
}

.nav-toggle:focus-visible,
.mobile-nav__close:focus-visible,
.mobile-nav__cta:focus-visible,
.mobile-nav__links a:focus-visible,
.nav-desktop a:focus-visible {
  outline: 2px solid #94a3b8;
  outline-offset: 3px;
}

body.nav-open {
  overflow: hidden;
  position: fixed;
  left: 0;
  right: 0;
  width: 100%;
  touch-action: none;
  overscroll-behavior: none;
}

@media (prefers-reduced-motion: reduce) {
  .mobile-nav,
  .mobile-nav__backdrop,
  .mobile-nav__panel,
  .hamburger,
  .hamburger::before,
  .hamburger::after {
    transition: none !important;
  }
}

@media (min-width: 769px) {
  .mobile-nav {
    display: none !important;
  }
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 22px;
  border-radius: var(--radius-pill);
  border: none;
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}

.btn-primary {
  background: var(--accent);
  color: #ffffff;
  box-shadow: 0 8px 18px rgba(51, 65, 85, 0.28);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.18);
  box-shadow: var(--shadow-soft);
}

.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 10px 22px rgba(51, 65, 85, 0.34);
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.section-title {
  font-size: 32px;
  font-weight: 600;
  margin: 0 0 24px;
}

.two-col {
  display: flex;
  gap: 48px;
  align-items: center;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 18px;
  box-shadow: var(--shadow-card);
}

.input {
  width: 100%;
  padding: 14px 16px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,.18);
  background: rgba(0,0,0,.35);
  color: #fff;
  outline: none;
}

.input::placeholder {
  color: rgba(255,255,255,.35);
}

.label {
  display: block;
  font-size: 0.85rem;
  color: rgba(255,255,255,.55);
  margin-bottom: 6px;
}

.alert-error {
  background: rgba(255, 107, 107, 0.12);
  border: 1px solid rgba(255, 107, 107, 0.35);
  color: #ffb0b0;
  padding: 12px 14px;
  border-radius: 12px;
  margin-bottom: 12px;
  display: none;
}

.list-dot {
  list-style: none;
  padding: 0;
}

.list-dot li {
  position: relative;
  padding-left: 22px;
  color: var(--text-muted);
  margin-bottom: 10px;
}

.list-dot li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
}

/* HOME */

/* Hero Section with Scoped Fixed Background Effect */
.hero-section {
  position: relative;
  min-height: 88vh;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  --parallax-offset: 0px;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 120%;
  background-color: #00ff00;
  background-image: url('./images/hero-shot.jpeg');
  background-size: cover;
  background-position: center center;
  background-repeat: no-repeat;
  opacity: 0.5;
  z-index: 0;
  transform: translateY(calc(var(--parallax-offset) * -1));
  will-change: transform;
}

.hero-content {
  position: relative;
  z-index: 1;
  padding: 48px 32px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 20px;
  max-width: 900px;
  margin: 0 auto;
}

.hero-title {
  font-size: 72px;
  letter-spacing: 0.16em;
  font-weight: 700;
  margin: 0;
  color: var(--text-light);
  text-shadow: 0 4px 20px rgba(0, 0, 0, 0.6);
}

.hero-subtitle {
  font-size: 24px;
  font-weight: 400;
  color: var(--text-light);
  margin: 0;
  opacity: 0.95;
}

.hero-cta {
  margin-top: 12px;
}

.plugin {
  background: var(--bg-section-dark);
  text-align: center;
  color: var(--text-light);
}

.plugin-card {
  background: var(--surface);
  border-radius: var(--radius-card);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-card);
  padding: 12px;
  max-width: 760px;
  margin: 0 auto 24px;
}

.product-name {
  font-size: 20px;
  font-weight: 600;
  margin: 16px 0 20px;
  letter-spacing: 0.08em;
}

/* GATI Section */
/* GATI Section - Premium Hero Style */
.gati-hero {
  position: relative;
  min-height: 75vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 0;
  isolation: isolate;
}

.gati-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url('./images/gati-backdrop.jpeg');
  background-size: cover;
  background-position: center center;
  background-repeat: no-repeat;
  z-index: 0;
}

.gati-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(5, 8, 20, 0.55) 0%, rgba(5, 8, 20, 0.75) 100%);
  z-index: 1;
}

.gati-content {
  position: relative;
  z-index: 2;
  padding: 64px 32px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
  max-width: 800px;
  margin: 0 auto;
}

.gati-title {
  font-size: 64px;
  font-weight: 700;
  margin: 0;
  letter-spacing: 0.16em;
  color: var(--text-light);
  text-shadow: 0 6px 24px rgba(0, 0, 0, 0.7);
  line-height: 1.1;
}

.gati-subtitle {
  font-size: 24px;
  color: var(--text-light);
  margin: 0;
  font-weight: 400;
  opacity: 0.95;
}

.gati-byline {
  font-size: 16px;
  color: var(--text-muted);
  margin: 0;
  font-weight: 500;
  letter-spacing: 0.05em;
}

.gati-cta {
  margin-top: 16px;
  padding: 14px 32px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-pill);
  color: var(--text-light);
  font-weight: 600;
  font-size: 15px;
  text-decoration: none;
  transition: all 0.3s ease;
  backdrop-filter: blur(8px);
}

.gati-cta:hover {
  background: rgba(255, 255, 255, 0.14);
  border-color: rgba(255, 255, 255, 0.35);
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.4);
}

.about {
  background: var(--bg-light);
  color: var(--text-dark);
}

.about-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 48px;
  align-items: center;
}

.about-image {
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.25);
  border: 1px solid #e5e7eb;
}

.connect {
  background: var(--bg-section-dark);
  text-align: center;
  color: var(--text-light);
}

.subscribe-form {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  padding: 8px 10px 8px 16px;
}

.subscribe-form input[type="email"] {
  background: transparent;
  border: none;
  outline: none;
  color: var(--text-light);
  font-size: 15px;
  min-width: 260px;
}

.subscribe-form input::placeholder {
  color: var(--text-muted);
}

.connect small {
  display: block;
  margin-top: 18px;
  color: var(--text-muted);
  font-size: 14px;
}

/* PRODUCT (MeterStack) */

body.product {
  color: var(--text-light);
}

body.product main section {
  padding: 96px 0;
}

.hero {
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.75fr 1fr;
  gap: 42px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-visual {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-large);
  overflow: hidden;
  box-shadow: 0 16px 38px rgba(0, 0, 0, 0.35);
  min-height: 520px;
}

.carousel {
  position: relative;
  overflow: hidden;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(17, 24, 39, 0.6), rgba(5, 8, 20, 0.8));
  height: 520px;
}

.carousel input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.carousel-track {
  display: flex;
  height: 100%;
  transition: transform 0.6s ease;
}

.carousel-slide {
  flex: 0 0 100%;
  height: 100%;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-dark);
}

.carousel-slide img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

#slide-1:checked ~ .carousel-track { transform: translateX(0%); }
#slide-2:checked ~ .carousel-track { transform: translateX(-100%); }
#slide-3:checked ~ .carousel-track { transform: translateX(-200%); }
#slide-4:checked ~ .carousel-track { transform: translateX(-300%); }
#slide-5:checked ~ .carousel-track { transform: translateX(-400%); }
#slide-6:checked ~ .carousel-track { transform: translateX(-500%); }
#slide-7:checked ~ .carousel-track { transform: translateX(-600%); }

.carousel-dots {
  position: absolute;
  bottom: 14px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
  z-index: 2;
}

.carousel-dots label {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.35);
  cursor: pointer;
  transition: background 0.2s ease, transform 0.2s ease;
  display: inline-flex;
}

#slide-1:checked ~ .carousel-dots label[for="slide-1"],
#slide-2:checked ~ .carousel-dots label[for="slide-2"],
#slide-3:checked ~ .carousel-dots label[for="slide-3"],
#slide-4:checked ~ .carousel-dots label[for="slide-4"],
#slide-5:checked ~ .carousel-dots label[for="slide-5"],
#slide-6:checked ~ .carousel-dots label[for="slide-6"],
#slide-7:checked ~ .carousel-dots label[for="slide-7"] {
  background: #ffffff;
  transform: scale(1.1);
}

.carousel-arrows {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 2;
}

.carousel-arrows .arrow {
  position: absolute;
  top: 50%;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(5, 8, 20, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.14);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-size: 16px;
  cursor: pointer;
  pointer-events: none;
  opacity: 0;
  transform: translateY(-50%);
  transition: opacity 0.25s ease, transform 0.2s ease, background 0.2s ease;
}

.carousel-arrows .prev { left: 12px; }
.carousel-arrows .next { right: 12px; }

.carousel-arrows .arrow:hover {
  transform: translateY(calc(-50% - 2px));
  background: rgba(5, 8, 20, 0.9);
}

#slide-1:checked ~ .carousel-arrows .prev-1,
#slide-1:checked ~ .carousel-arrows .next-1,
#slide-2:checked ~ .carousel-arrows .prev-2,
#slide-2:checked ~ .carousel-arrows .next-2,
#slide-3:checked ~ .carousel-arrows .prev-3,
#slide-3:checked ~ .carousel-arrows .next-3,
#slide-4:checked ~ .carousel-arrows .prev-4,
#slide-4:checked ~ .carousel-arrows .next-4,
#slide-5:checked ~ .carousel-arrows .prev-5,
#slide-5:checked ~ .carousel-arrows .next-5,
#slide-6:checked ~ .carousel-arrows .prev-6,
#slide-6:checked ~ .carousel-arrows .next-6,
#slide-7:checked ~ .carousel-arrows .prev-7,
#slide-7:checked ~ .carousel-arrows .next-7 {
  opacity: 1;
  pointer-events: auto;
}

.price {
  font-weight: 600;
  color: var(--text-light);
  margin: 12px 0 18px;
  font-size: 18px;
}

.hero-text p {
  color: var(--text-muted);
  margin-bottom: 14px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  margin: 10px 0 18px;
}

.hero-text .meta {
  color: var(--text-muted);
  margin-top: 12px;
}

.banner {
  position: relative;
  padding: 56px 0 96px;
  background: url("./images/hero-shot.jpeg") center/cover no-repeat;
  color: var(--text-light);
}

.banner::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(5, 8, 20, 0.25), rgba(5, 8, 20, 0.9));
}

.banner-panel {
  position: relative;
  z-index: 1;
  max-width: 860px;
  margin: -32px auto 0;
  padding: 40px;
  background: #070d1a;
  border: 1px solid rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(6px);
  border-radius: 22px;
  box-shadow: 0 32px 80px rgba(0, 0, 0, 0.65);
}

.banner p {
  color: var(--text-muted);
  margin-bottom: 28px;
}

.feature-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.feature {
  display: grid;
  gap: 12px;
  padding: 22px;
  border-radius: 18px;
  background: #0b1120;
  border: 1px solid rgba(255, 255, 255, 0.05);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.5);
}

.feature h3 {
  font-size: 17px;
  margin: 0;
}

.feature p {
  font-size: 14px;
  line-height: 1.7;
  margin: 0;
}

.icon-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
  margin-bottom: 12px;
}

.muted {
  color: var(--text-muted);
}

.section-dark {
  background: var(--bg-section-dark);
}

.two-col {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 48px;
  align-items: center;
}

.split-rows .card {
  height: 100%;
  min-height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
}

.meters-card {
  width: 100%;
  max-width: 520px;
  min-height: 260px;
  margin: 0 0 10px;
  align-self: flex-start;
}

.spectrum-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 36px;
  margin-top: 32px;
}

.spectrum-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 18px;
  box-shadow: 0 14px 32px rgba(0, 0, 0, 0.3);
  display: grid;
  gap: 16px;
}

.spectrum-card ul {
  padding-left: 20px;
  margin: 0;
  color: var(--text-muted);
}

.split-rows {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 64px;
  align-items: start;
  margin-top: 28px;
}

.split-rows > div {
  display: flex;
  flex-direction: column;
  gap: 14px;
  align-items: flex-start;
}

.faq-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 28px;
  margin-top: 24px;
}

.faq-item h3 {
  margin-bottom: 10px;
}

.cta-band {
  margin-top: 48px;
  padding: 28px;
  border-radius: var(--radius-card);
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.03);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
}

.requirements-card {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 32px;
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.3);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.requirement-block ul {
  padding-left: 20px;
  color: var(--text-muted);
}

/* SUPPORT */

body.support {
  background: #f8fafc;
  color: var(--text-dark);
}

.contact-section {
  background: var(--bg-light);
  color: var(--text-dark);
}

.contact-grid {
  display: flex;
  gap: 48px;
  align-items: flex-start;
}

.contact-meta {
  display: grid;
  gap: 12px;
  flex: 0 0 40%;
}

.label {
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #6b7280;
  font-weight: 600;
  margin-top: 4px;
}

.email-line {
  font-weight: 600;
  color: var(--text-dark);
}

.contact-section form {
  background: #ffffff;
  border: 1px solid #e5e7eb;
  border-radius: var(--radius-card);
  padding: 28px;
  box-shadow: 0 14px 32px rgba(0, 0, 0, 0.08);
  display: grid;
  gap: 16px;
  flex: 1;
}

.contact-section label {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-dark);
}

.contact-section input,
.contact-section textarea {
  width: 100%;
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid #d1d5db;
  background: #f9fafb;
  font-size: 15px;
  color: var(--text-dark);
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.contact-section input:focus,
.contact-section textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(51, 65, 85, 0.16);
  background: #ffffff;
}

.contact-section textarea {
  resize: vertical;
}

.form-group {
  display: grid;
  gap: 8px;
}

.faq-section {
  background: var(--bg-light-tint);
  color: var(--text-dark);
}

.faq-card {
  background: #ffffff;
  border: 1px solid #e5e7eb;
  border-radius: var(--radius-card);
  padding: 32px;
  box-shadow: 0 14px 28px rgba(0, 0, 0, 0.08);
}

.faq-list {
  display: grid;
  gap: 24px;
  margin-top: 16px;
}

/* FOOTER */

footer {
  background: var(--footer-bg);
  color: var(--text-light);
  padding: 72px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 32px;
  margin-bottom: 40px;
}

.footer-block {
  display: grid;
  align-content: start;
  gap: 8px;
}

footer h4 {
  margin: 0 0 12px;
  font-size: 18px;
  font-weight: 600;
}

footer p,
footer a {
  margin: 0 0 8px;
  color: var(--text-muted);
  font-size: 15px;
}

.footer-subscribe {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
  align-items: center;
  padding: 10px;
  border-radius: 14px;
  border: 1px solid rgba(148, 163, 184, 0.3);
  background: rgba(255, 255, 255, 0.04);
}

.footer-subscribe input[type="email"] {
  width: 100%;
  min-width: 0;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid rgba(148, 163, 184, 0.35);
  background: rgba(15, 23, 42, 0.55);
  color: var(--text-light);
  outline: none;
  font-size: 14px;
}

.footer-subscribe input::placeholder {
  color: var(--text-muted);
}

.footer-subscribe .btn-primary {
  width: auto;
  min-width: 150px;
  margin: 0;
  padding: 12px 18px;
  min-height: 44px;
}

.footer-note {
  text-align: center;
  color: var(--text-muted);
  font-size: 14px;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

/* RESPONSIVE */

@media (max-width: 1024px) {
  .container {
    padding: 0 24px;
  }

  main section {
    padding: 84px 0;
  }

  h1 {
    font-size: 48px;
  }

  h2 {
    font-size: 30px;
  }

  .hero-title {
    font-size: 60px;
  }

  .gati-hero {
    min-height: 65vh;
  }

  .gati-title {
    font-size: 52px;
  }

  .gati-subtitle {
    font-size: 22px;
  }

  .hero-grid,
  .two-col {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 36px;
  }

  .about-grid,
  .contact-grid {
    gap: 32px;
  }

  .feature-row {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 768px) {
  .container {
    padding: 0 16px;
  }

  main section {
    padding: 64px 0;
  }

  h1 {
    font-size: 40px;
    letter-spacing: 0.06em;
  }

  h2 {
    font-size: 26px;
  }

  h3 {
    font-size: 18px;
  }

  .hero-section {
    min-height: 75vh;
  }

  .hero-title {
    font-size: 48px;
    letter-spacing: 0.12em;
  }

  .hero-subtitle {
    font-size: 20px;
  }

  .gati-hero {
    min-height: 60vh;
  }

  .gati-title {
    font-size: 44px;
    letter-spacing: 0.12em;
  }

  .gati-subtitle {
    font-size: 20px;
  }

  .gati-byline {
    font-size: 14px;
  }

  .gati-content {
    padding: 48px 24px;
  }

  .site-header {
    position: sticky;
    top: 0;
    background: rgba(255, 255, 255, 0.9);
    border-bottom: 1px solid rgba(148, 163, 184, 0.22);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
  }

  .header-inner {
    min-height: calc(68px + env(safe-area-inset-top));
    padding-top: env(safe-area-inset-top);
    gap: 14px;
  }

  .brand {
    letter-spacing: 0.1em;
    font-size: 14px;
  }

  .nav-desktop,
  .header-cta {
    display: none;
  }

  .nav-toggle {
    display: inline-flex;
    margin-left: auto;
  }

  .hero-grid,
  .two-col,
  .about-grid,
  .contact-grid,
  .spectrum-grid,
  .split-rows,
  .requirements-card,
  .faq-grid {
    grid-template-columns: 1fr !important;
    flex-direction: column;
  }

  .hero-grid,
  .contact-grid,
  .two-col {
    gap: 28px;
  }

  .hero-visual,
  .carousel {
    min-height: 420px;
    height: 420px;
  }

  .feature-row {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 22px;
    margin-bottom: 30px;
  }

  .footer-subscribe {
    grid-template-columns: 1fr;
  }

  .footer-subscribe .btn-primary {
    width: 100%;
    min-width: 0;
  }

  .subscribe-form {
    width: 100%;
    justify-content: space-between;
  }

  .subscribe-form input[type="email"] {
    min-width: 0;
    width: 100%;
  }

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

  .contact-section form {
    width: 100%;
  }

  .banner-panel {
    margin-top: 0;
  }
}

@media (max-width: 480px) {
  main section {
    padding: 54px 0;
  }

  h1 {
    font-size: 34px;
  }

  h2 {
    font-size: 24px;
  }

  .hero-section {
    min-height: 70vh;
  }

  .hero-title {
    font-size: 38px;
    letter-spacing: 0.10em;
  }

  .hero-subtitle {
    font-size: 18px;
  }

  .hero-content {
    padding: 32px 20px;
  }

  .gati-hero {
    min-height: 55vh;
  }

  .gati-title {
    font-size: 36px;
    letter-spacing: 0.10em;
  }

  .gati-subtitle {
    font-size: 17px;
  }

  .gati-byline {
    font-size: 13px;
  }

  .gati-content {
    padding: 40px 20px;
    gap: 14px;
  }

  .gati-cta {
    padding: 12px 28px;
    font-size: 14px;
    margin-top: 8px;
  }

  .hero-visual,
  .carousel {
    min-height: 340px;
    height: 340px;
  }
}