:root {
  --brand: #0e8f86;
  --brand-deep: #0b6f68;
  --brand-soft: rgba(14, 143, 134, 0.12);
  --accent: #2f6fed;
  --accent-soft: rgba(47, 111, 237, 0.14);
  --ink: #14212c;
  --muted: #5b6f82;
  --bg: #eef4f8;
  --surface: #ffffff;
  --surface-2: #f7fbfd;
  --line: rgba(20, 33, 44, 0.10);
  --shadow: 0 24px 60px rgba(16, 36, 52, 0.10);
  --hero-glow: radial-gradient(ellipse 70% 55% at 70% 20%, rgba(47, 111, 237, 0.22), transparent 60%),
    radial-gradient(ellipse 55% 50% at 20% 80%, rgba(14, 143, 134, 0.20), transparent 55%),
    linear-gradient(160deg, #e8f1f6 0%, #f5fafc 45%, #e7f3f1 100%);
  --nav-bg: rgba(255, 255, 255, 0.78);
  --success: #0f8a62;
  --danger: #c2410c;
  --radius: 18px;
  --max: 1180px;
  --font-display: "Space Grotesk", sans-serif;
  --font-body: "Manrope", sans-serif;
  color-scheme: light;
}

[data-theme="dark"] {
  --brand: #2dd4bf;
  --brand-deep: #14b8a6;
  --brand-soft: rgba(45, 212, 191, 0.12);
  --accent: #6ea8ff;
  --accent-soft: rgba(110, 168, 255, 0.16);
  --ink: #e8f1f7;
  --muted: #9db0c2;
  --bg: #081018;
  --surface: #101a24;
  --surface-2: #152231;
  --line: rgba(232, 241, 247, 0.10);
  --shadow: 0 28px 70px rgba(0, 0, 0, 0.45);
  --hero-glow: radial-gradient(ellipse 70% 55% at 72% 18%, rgba(47, 111, 237, 0.28), transparent 60%),
    radial-gradient(ellipse 55% 50% at 18% 78%, rgba(20, 184, 166, 0.22), transparent 55%),
    linear-gradient(165deg, #071019 0%, #0c1824 48%, #0a1a1c 100%);
  --nav-bg: rgba(8, 16, 24, 0.78);
  --success: #34d399;
  --danger: #fb7185;
  color-scheme: dark;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  transition: background 0.35s ease, color 0.35s ease;
}

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

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

button,
input,
textarea,
select {
  font: inherit;
}

.container {
  width: min(var(--max), calc(100% - 2.5rem));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(16px);
  background: var(--nav-bg);
  border-bottom: 1px solid var(--line);
}

.nav-bar {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 1rem;
  min-height: 72px;
}

.nav-bar > nav {
  justify-self: center;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.03em;
  font-size: 1.15rem;
}

.brand img {
  width: 34px;
  height: 34px;
  object-fit: contain;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  padding: 0.55rem 0.85rem;
  border-radius: 999px;
  color: var(--muted);
  font-weight: 600;
  font-size: 0.95rem;
  transition: color 0.2s ease, background 0.2s ease;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--ink);
  background: var(--brand-soft);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  flex-shrink: 0;
}

.btn-login {
  background: var(--surface);
  border: 2px solid var(--brand);
  color: var(--brand-deep);
  min-height: 44px;
  padding: 0.65rem 1.15rem;
  flex-shrink: 0;
  font-weight: 800;
  box-shadow: 0 0 0 3px var(--brand-soft);
}

[data-theme="dark"] .btn-login {
  color: #06201d;
  background: var(--brand);
  border-color: var(--brand);
  box-shadow: 0 8px 20px rgba(45, 212, 191, 0.25);
}

.btn-login:hover {
  background: var(--brand);
  color: #fff;
  border-color: var(--brand);
}

[data-theme="dark"] .btn-login:hover {
  color: #06201d;
  filter: brightness(1.08);
}

.theme-toggle {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--ink);
  cursor: pointer;
  display: grid;
  place-items: center;
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.theme-toggle:hover {
  transform: translateY(-1px);
  border-color: var(--brand);
}

.theme-toggle .icon-moon,
[data-theme="dark"] .theme-toggle .icon-sun {
  display: none;
}

[data-theme="dark"] .theme-toggle .icon-moon {
  display: block;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--ink);
  cursor: pointer;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  min-height: 48px;
  padding: 0.75rem 1.25rem;
  border-radius: 14px;
  border: 1px solid transparent;
  font-weight: 700;
  letter-spacing: -0.01em;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: linear-gradient(135deg, var(--brand) 0%, var(--brand-deep) 100%);
  color: #fff;
  box-shadow: 0 12px 28px rgba(14, 143, 134, 0.28);
}

[data-theme="dark"] .btn-primary {
  color: #06201d;
}

.btn-secondary {
  background: var(--surface);
  border-color: var(--line);
  color: var(--ink);
}

.btn-ghost {
  background: transparent;
  border-color: var(--line);
  color: var(--ink);
}

.hero {
  position: relative;
  min-height: calc(100vh - 72px);
  display: grid;
  align-items: end;
  overflow: hidden;
  background: var(--hero-glow);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 70% 70% at 50% 40%, black, transparent 75%);
  opacity: 0.55;
  pointer-events: none;
  animation: gridDrift 18s linear infinite;
}

.hero-media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.22;
  filter: saturate(1.05) contrast(1.05);
}

.hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 20%, var(--bg) 92%);
}

.hero-content {
  position: relative;
  z-index: 1;
  padding: 5.5rem 0 4.5rem;
  max-width: 720px;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.4rem;
  animation: riseIn 0.8s ease both;
}

.brand-mark img {
  width: 56px;
  height: 56px;
}

.brand-mark span {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.4rem);
  font-weight: 700;
  letter-spacing: -0.05em;
  line-height: 1;
}

.hero h1 {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-size: clamp(2.1rem, 5.5vw, 3.6rem);
  line-height: 1.05;
  letter-spacing: -0.045em;
  animation: riseIn 0.9s ease 0.08s both;
}

.hero p {
  margin: 0 0 1.8rem;
  max-width: 34rem;
  color: var(--muted);
  font-size: 1.08rem;
  animation: riseIn 0.9s ease 0.16s both;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  animation: riseIn 0.9s ease 0.24s both;
}

.section {
  padding: 5.5rem 0;
}

.section-head {
  max-width: 640px;
  margin-bottom: 2.4rem;
}

.eyebrow {
  display: inline-block;
  margin-bottom: 0.7rem;
  color: var(--brand-deep);
  font-weight: 800;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

[data-theme="dark"] .eyebrow {
  color: var(--brand);
}

.section-head h2,
.page-hero h1,
.content-block h2 {
  margin: 0 0 0.8rem;
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  letter-spacing: -0.04em;
  line-height: 1.1;
}

.section-head p,
.page-hero p,
.lede {
  margin: 0;
  color: var(--muted);
  font-size: 1.05rem;
}

.product-split {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 1.5rem;
  align-items: stretch;
}

.product-panel {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) + 6px);
  background: var(--surface);
  box-shadow: var(--shadow);
  min-height: 420px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  transition: transform 0.35s ease, border-color 0.35s ease;
}

.product-panel:hover {
  transform: translateY(-4px);
  border-color: color-mix(in srgb, var(--brand) 45%, var(--line));
}

.product-panel img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.35;
}

.product-panel::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 10%, color-mix(in srgb, var(--surface) 88%, transparent) 62%, var(--surface) 100%);
}

.product-panel-body {
  position: relative;
  z-index: 1;
  padding: 1.8rem;
}

.product-panel h3 {
  margin: 0 0 0.55rem;
  font-family: var(--font-display);
  font-size: 1.65rem;
  letter-spacing: -0.03em;
}

.product-panel p {
  margin: 0 0 1.2rem;
  color: var(--muted);
}

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

.feature-item {
  padding: 1.35rem 1.25rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  transition: transform 0.25s ease, border-color 0.25s ease;
}

.feature-item:hover {
  transform: translateY(-3px);
  border-color: color-mix(in srgb, var(--accent) 40%, var(--line));
}

.feature-icon {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  margin-bottom: 0.9rem;
  background: var(--brand-soft);
  color: var(--brand-deep);
  font-weight: 800;
}

[data-theme="dark"] .feature-icon {
  color: var(--brand);
}

.feature-item h3 {
  margin: 0 0 0.45rem;
  font-family: var(--font-display);
  font-size: 1.15rem;
  letter-spacing: -0.02em;
}

.feature-item p {
  margin: 0;
  color: var(--muted);
  font-size: 0.96rem;
}

.band {
  background: var(--surface);
  border-block: 1px solid var(--line);
}

.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}

.stat {
  padding: 1.2rem 0;
}

.stat strong {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  letter-spacing: -0.04em;
  margin-bottom: 0.25rem;
}

.stat span {
  color: var(--muted);
  font-weight: 600;
}

.showcase {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 2rem;
  align-items: center;
}

.showcase.reverse {
  grid-template-columns: 0.9fr 1.1fr;
}

.showcase.reverse .showcase-copy {
  order: 2;
}

.showcase-visual {
  border-radius: calc(var(--radius) + 8px);
  overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  background: var(--surface-2);
}

.showcase-visual img {
  width: 100%;
  height: auto;
}

.checklist {
  list-style: none;
  margin: 1.3rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.7rem;
}

.checklist li {
  display: grid;
  grid-template-columns: 18px 1fr;
  gap: 0.7rem;
  color: var(--muted);
}

.checklist li::before {
  content: "";
  width: 10px;
  height: 10px;
  margin-top: 0.45rem;
  border-radius: 50%;
  background: var(--brand);
  box-shadow: 0 0 0 5px var(--brand-soft);
}

.page-hero {
  padding: 4.2rem 0 2.5rem;
  background: var(--hero-glow);
  border-bottom: 1px solid var(--line);
}

.page-hero .container {
  max-width: 760px;
}

.video-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.2rem;
}

.video-card {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) + 4px);
  overflow: hidden;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.video-card video {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  background: #0a1218;
}

.video-card figcaption {
  padding: 0.9rem 1rem 1.1rem;
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 600;
}

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

.gallery figure {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.gallery figcaption {
  padding: 0.9rem 1rem 1.1rem;
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 600;
}

.contact-layout {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 1.5rem;
  align-items: start;
}

.contact-card,
.form-card {
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) + 4px);
  background: var(--surface);
  box-shadow: var(--shadow);
  padding: 1.6rem;
}

.contact-list {
  list-style: none;
  margin: 1.2rem 0 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}

.contact-list li {
  display: grid;
  gap: 0.2rem;
}

.contact-list strong {
  font-family: var(--font-display);
  letter-spacing: -0.02em;
}

.contact-list span,
.contact-list a {
  color: var(--muted);
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.9rem;
}

.field {
  display: grid;
  gap: 0.4rem;
}

.field.full {
  grid-column: 1 / -1;
}

.field span {
  font-size: 0.9rem;
  font-weight: 700;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface-2);
  color: var(--ink);
  padding: 0.85rem 0.95rem;
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.field textarea {
  min-height: 140px;
  resize: vertical;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: var(--brand);
  box-shadow: 0 0 0 4px var(--brand-soft);
}

.form-note {
  margin: 0.9rem 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.form-success {
  display: none;
  margin-top: 1rem;
  padding: 0.9rem 1rem;
  border-radius: 12px;
  background: color-mix(in srgb, var(--success) 16%, transparent);
  color: var(--success);
  font-weight: 700;
}

.form-success.show {
  display: block;
}

.form-error {
  display: none;
  margin-top: 1rem;
  padding: 0.9rem 1rem;
  border-radius: 12px;
  background: color-mix(in srgb, var(--danger) 16%, transparent);
  color: var(--danger);
  font-weight: 700;
}

.form-error.show {
  display: block;
}

.nav-actions {
  justify-self: end;
}

.faq-list {
  display: grid;
  gap: 0.8rem;
}

.faq-item {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  overflow: hidden;
}

.faq-item summary {
  cursor: pointer;
  list-style: none;
  padding: 1.1rem 1.25rem;
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item p {
  margin: 0;
  padding: 0 1.25rem 1.2rem;
  color: var(--muted);
}

.cta-banner {
  position: relative;
  overflow: hidden;
  border-radius: calc(var(--radius) + 10px);
  padding: 2.4rem;
  background:
    radial-gradient(circle at 90% 20%, rgba(47, 111, 237, 0.28), transparent 40%),
    linear-gradient(135deg, #0d3f4a 0%, #12324f 55%, #0f766e 100%);
  color: #f4fbff;
}

.cta-banner h2 {
  margin: 0 0 0.6rem;
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 3vw, 2.3rem);
  letter-spacing: -0.035em;
}

.cta-banner p {
  margin: 0 0 1.3rem;
  max-width: 38rem;
  color: rgba(244, 251, 255, 0.82);
}

.cta-banner .btn-primary {
  background: #fff;
  color: #0d3f4a;
  box-shadow: none;
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 3rem 0 2rem;
  background: var(--surface);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.footer-grid h3 {
  margin: 0 0 0.8rem;
  font-family: var(--font-display);
  font-size: 1rem;
  letter-spacing: -0.02em;
}

.footer-grid p,
.footer-grid a {
  color: var(--muted);
}

.footer-grid ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.45rem;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  padding-top: 1.2rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.92rem;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: none;
}

@keyframes riseIn {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@keyframes gridDrift {
  from {
    transform: translateY(0);
  }
  to {
    transform: translateY(56px);
  }
}

@media (max-width: 960px) {
  .nav-toggle {
    display: grid;
    place-items: center;
  }

  .nav-links {
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 0.8rem;
    background: var(--surface);
    border-bottom: 1px solid var(--line);
  }

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

  .nav-actions .btn-primary {
    display: none;
  }

  .nav-actions .btn-login {
    display: inline-flex;
  }

  .product-split,
  .showcase,
  .showcase.reverse,
  .contact-layout,
  .feature-grid,
  .stats,
  .gallery,
  .video-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .showcase.reverse .showcase-copy {
    order: 0;
  }

  .hero {
    min-height: auto;
  }

  .hero-content {
    padding-top: 4rem;
  }
}

@media (max-width: 640px) {
  .container {
    width: min(var(--max), calc(100% - 1.5rem));
  }

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

  .cta-banner {
    padding: 1.6rem;
  }
}

.login-modal {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: grid;
  place-items: center;
  padding: 1.2rem;
}

.login-modal[hidden] {
  display: none;
}

.login-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(6, 14, 22, 0.62);
  backdrop-filter: blur(6px);
}

.login-modal-panel {
  position: relative;
  z-index: 1;
  width: min(460px, 100%);
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) + 6px);
  background: var(--surface);
  box-shadow: var(--shadow);
  padding: 1.6rem 1.5rem 1.5rem;
  animation: riseIn 0.28s ease both;
}

.login-modal-panel h2 {
  margin: 0 0 0.4rem;
  font-family: var(--font-display);
  letter-spacing: -0.03em;
  font-size: 1.45rem;
}

.login-modal-panel > p {
  margin: 0 0 1.2rem;
  color: var(--muted);
}

.login-modal-close {
  position: absolute;
  top: 0.7rem;
  right: 0.8rem;
  width: 36px;
  height: 36px;
  border: 0;
  border-radius: 10px;
  background: var(--surface-2);
  color: var(--ink);
  font-size: 1.4rem;
  line-height: 1;
  cursor: pointer;
}

.login-options {
  display: grid;
  gap: 0.75rem;
}

.login-option {
  display: grid;
  gap: 0.25rem;
  padding: 1rem 1.05rem;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface-2);
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.login-option:hover {
  transform: translateY(-2px);
  border-color: color-mix(in srgb, var(--brand) 45%, var(--line));
  background: var(--brand-soft);
}

.login-option strong {
  font-family: var(--font-display);
  letter-spacing: -0.02em;
  font-size: 1.05rem;
}

.login-option span {
  color: var(--muted);
  font-size: 0.92rem;
}

body.login-open {
  overflow: hidden;
}