/* styles.css */
:root {
  --bg: #0b1020;
  --paper: #0f1630;
  --surface: rgba(255, 255, 255, 0.06);
  --surface-2: rgba(255, 255, 255, 0.085);
  --border: rgba(255, 255, 255, 0.12);

  --text: rgba(255, 255, 255, 0.92);
  --muted: rgba(255, 255, 255, 0.68);
  --faint: rgba(255, 255, 255, 0.52);

  --accent: #6ee7ff;
  --accent-2: #a78bfa;
  --good: #7cffa8;
  --warn: #ffd180;

  --shadow: 0 16px 50px rgba(0, 0, 0, 0.35);
  --shadow-soft: 0 10px 30px rgba(0, 0, 0, 0.22);

  --r-sm: 12px;
  --r-md: 16px;
  --r-lg: 22px;

  --container: 1200px;

  --font-ui: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  --font-head: Manrope, Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;

  --h1: clamp(2.05rem, 3.6vw, 3.35rem);
  --h2: clamp(1.45rem, 2.6vw, 2.1rem);
  --h3: 1.05rem;

  --header-h: 72px;
  --focus: 0 0 0 3px rgba(110, 231, 255, 0.35);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}
html,
body {
  height: 100%;
}
body {
  margin: 0;
  font-family: var(--font-ui);
  color: var(--text);
  background: radial-gradient(1200px 700px at 20% -10%, rgba(110, 231, 255, 0.18), transparent 55%),
    radial-gradient(900px 600px at 100% 20%, rgba(167, 139, 250, 0.16), transparent 55%),
    radial-gradient(800px 600px at 40% 100%, rgba(124, 255, 168, 0.08), transparent 55%),
    linear-gradient(180deg, #070a14 0%, #0b1020 45%, #0a0f20 100%);
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}
a {
  color: inherit;
  text-decoration: none;
}
button,
input,
textarea {
  font: inherit;
  color: inherit;
}
input,
textarea {
  width: 100%;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px 12px;
  outline: none;
}
textarea {
  resize: vertical;
  min-height: 120px;
}
input::placeholder,
textarea::placeholder {
  color: rgba(255, 255, 255, 0.42);
}
input:focus,
textarea:focus,
button:focus-visible,
a:focus-visible {
  box-shadow: var(--focus);
  border-color: rgba(110, 231, 255, 0.4);
}
::selection {
  background: rgba(110, 231, 255, 0.2);
}

.sr-only {
  position: absolute !important;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

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

.skip-link {
  position: absolute;
  left: 16px;
  top: 10px;
  padding: 10px 12px;
  background: rgba(0, 0, 0, 0.6);
  border: 1px solid var(--border);
  border-radius: 12px;
  transform: translateY(-150%);
  transition: transform 180ms ease;
  z-index: 9999;
}
.skip-link:focus {
  transform: translateY(0);
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--header-h);
  display: flex;
  align-items: center;
  background: rgba(11, 16, 32, 0.55);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: background 200ms ease, border-color 200ms ease, box-shadow 200ms ease;
}
.site-header.is-scrolled {
  background: rgba(11, 16, 32, 0.78);
  border-bottom-color: rgba(255, 255, 255, 0.08);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.28);
}

.header-inner {
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: center;
  gap: 12px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}
.brand-mark {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.09);
  background: rgba(255, 255, 255, 0.03);
  color: var(--accent);
}
.brand-text {
  display: grid;
  gap: 2px;
  min-width: 0;
}
.brand-title {
  font-family: var(--font-head);
  font-weight: 800;
  letter-spacing: 0.2px;
  line-height: 1.1;
}
.brand-sub {
  font-size: 0.85rem;
  color: var(--muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.nav {
  display: none;
  gap: 18px;
  align-items: center;
}
.nav-link {
  color: var(--muted);
  font-size: 0.95rem;
  padding: 10px 10px;
  border-radius: 12px;
  transition: color 140ms ease, background 140ms ease, transform 140ms ease;
}
.nav-link:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.05);
}
.nav-link:active {
  transform: translateY(1px);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

/* Language switcher */
.lang {
  display: none;
  align-items: center;
  gap: 6px;
  padding: 6px;
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.03);
}
.lang-btn {
  border: 0;
  cursor: pointer;
  padding: 7px 10px;
  border-radius: 999px;
  color: var(--muted);
  background: transparent;
  transition: background 140ms ease, color 140ms ease;
}
.lang-btn:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.05);
}
.lang-btn.is-active {
  color: #081022;
  background: linear-gradient(135deg, rgba(110, 231, 255, 0.95), rgba(167, 139, 250, 0.9));
}

.menu-btn {
  border: 1px solid rgba(255, 255, 255, 0.09);
  background: rgba(255, 255, 255, 0.03);
  border-radius: 14px;
  width: 44px;
  height: 44px;
  cursor: pointer;
  display: grid;
  place-items: center;
  transition: transform 140ms ease, background 140ms ease, border-color 140ms ease;
}
.menu-btn:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.14);
}
.menu-btn:active {
  transform: translateY(1px);
}
.hamburger {
  position: relative;
  width: 18px;
  height: 12px;
}
.hamburger::before,
.hamburger::after,
.hamburger span {
  content: "";
  position: absolute;
  left: 0;
  height: 2px;
  width: 100%;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.85);
  transition: transform 160ms ease, top 160ms ease, opacity 160ms ease;
}
.hamburger::before {
  top: 0;
}
.hamburger::after {
  top: 10px;
}
.site-header[data-menu-open="true"] .hamburger::before {
  top: 5px;
  transform: rotate(45deg);
}
.site-header[data-menu-open="true"] .hamburger::after {
  top: 5px;
  transform: rotate(-45deg);
}

/* Mobile menu */
.mobile-menu {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(11, 16, 32, 0.92);
  backdrop-filter: blur(12px);
}
.mobile-menu-inner {
  padding: 14px 0 18px;
  display: grid;
  gap: 14px;
}
.mobile-nav {
  display: grid;
  gap: 8px;
}
.mobile-link {
  padding: 12px 12px;
  border-radius: 14px;
  color: var(--muted);
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.03);
  transition: background 140ms ease, color 140ms ease, border-color 140ms ease, transform 140ms ease;
}
.mobile-link:hover {
  color: var(--text);
  border-color: rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.05);
}
.mobile-link:active {
  transform: translateY(1px);
}
.mobile-cta {
  display: grid;
  gap: 10px;
}

/* Sections */
.section {
  padding: 56px 0;
}
.section-soft {
  background: radial-gradient(700px 500px at 20% 10%, rgba(110, 231, 255, 0.07), transparent 60%),
    radial-gradient(700px 500px at 90% 20%, rgba(167, 139, 250, 0.06), transparent 60%);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}
.section-head {
  max-width: 820px;
  margin-bottom: 18px;
}
.h1,
.h2,
.h3 {
  margin: 0 0 10px;
  font-family: var(--font-head);
}
.h1 {
  font-size: var(--h1);
  letter-spacing: -0.02em;
  line-height: 1.05;
}
.h2 {
  font-size: var(--h2);
  letter-spacing: -0.01em;
  line-height: 1.15;
}
.h3 {
  font-size: var(--h3);
  line-height: 1.25;
}
.lead {
  margin: 0 0 16px;
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.55;
}
.muted {
  color: var(--muted);
  line-height: 1.6;
}
.tiny {
  font-size: 0.9rem;
}
.eyebrow {
  display: inline-flex;
  gap: 8px;
  align-items: center;
  margin: 0 0 10px;
  color: rgba(255, 255, 255, 0.78);
  font-weight: 600;
  font-size: 0.95rem;
}
.eyebrow::before {
  content: "";
  width: 18px;
  height: 2px;
  border-radius: 99px;
  background: linear-gradient(90deg, rgba(110, 231, 255, 1), rgba(167, 139, 250, 1));
  opacity: 0.95;
}

/* Hero */
.hero {
  padding-top: 34px;
}
.hero-grid {
  display: grid;
  gap: 22px;
}
.hero-copy {
  max-width: 680px;
}
.hero-cta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin: 14px 0 18px;
}
.hero-media {
  position: relative;
}
.media-frame {
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.09);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.02));
  box-shadow: var(--shadow);
}
.media-frame.small {
  box-shadow: var(--shadow-soft);
  border-radius: var(--r-md);
}
.hero-badges {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 12px;
}
.badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.04);
  color: rgba(255, 255, 255, 0.84);
  font-size: 0.95rem;
}
.dot {
  width: 10px;
  height: 10px;
  border-radius: 99px;
  background: linear-gradient(135deg, rgba(110, 231, 255, 1), rgba(167, 139, 250, 1));
  box-shadow: 0 0 0 4px rgba(110, 231, 255, 0.08);
}

.trust-panel {
  display: grid;
  gap: 10px;
  margin-top: 18px;
}
.trust-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px;
  align-items: center;
  padding: 12px 12px;
  border-radius: var(--r-md);
  border: 1px solid rgba(255, 255, 255, 0.09);
  background: rgba(255, 255, 255, 0.03);
}
.trust-icon {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--accent);
  font-weight: 800;
}
.trust-title {
  font-weight: 700;
}
.trust-text {
  color: var(--muted);
  font-size: 0.95rem;
  margin-top: 2px;
}

/* Cards & grids */
.card {
  border: 1px solid rgba(255, 255, 255, 0.09);
  background: rgba(255, 255, 255, 0.03);
  border-radius: var(--r-lg);
  padding: 16px;
  box-shadow: 0 0 0 rgba(0, 0, 0, 0);
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease, box-shadow 200ms ease;
}
.card:hover {
  transform: translateY(-2px);
  border-color: rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.045);
  box-shadow: var(--shadow-soft);
}

.grid-2 {
  display: grid;
  gap: 12px;
}

.features-grid,
.cases-grid,
.steps {
  display: grid;
  gap: 12px;
}

.card-icon,
.feature-icon {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.03);
  color: var(--accent);
  margin-bottom: 10px;
}
.feature-top {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px;
  align-items: center;
}
.feature-icon {
  margin: 0;
}

.section-note {
  margin-top: 14px;
}
.note-card {
  display: grid;
  gap: 14px;
  align-items: center;
  border: 1px solid rgba(255, 255, 255, 0.09);
  background: rgba(255, 255, 255, 0.03);
  border-radius: var(--r-lg);
  padding: 16px;
  overflow: hidden;
}
.note-card img {
  border-radius: var(--r-md);
  border: 1px solid rgba(255, 255, 255, 0.09);
  background: rgba(255, 255, 255, 0.02);
}

/* Steps */
.step {
  position: relative;
  padding-top: 18px;
}
.step-num {
  font-family: var(--font-head);
  font-weight: 800;
  letter-spacing: 0.04em;
  color: rgba(110, 231, 255, 0.9);
  font-size: 0.95rem;
  margin-bottom: 8px;
}

/* Cases */
.case {
  padding: 0;
  overflow: hidden;
}
.case img {
  width: 100%;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.02);
}
.case-body {
  padding: 14px 16px 16px;
}
.chips {
  list-style: none;
  padding: 0;
  margin: 12px 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.chip {
  padding: 7px 10px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.03);
  color: rgba(255, 255, 255, 0.82);
  font-size: 0.9rem;
}

/* CTA band */
.cta-band {
  margin-top: 14px;
}
.cta-band-inner {
  display: grid;
  gap: 14px;
  align-items: center;
  padding: 16px;
  border-radius: var(--r-lg);
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: radial-gradient(900px 400px at 20% 30%, rgba(110, 231, 255, 0.12), transparent 55%),
    radial-gradient(900px 400px at 90% 70%, rgba(167, 139, 250, 0.1), transparent 55%),
    rgba(255, 255, 255, 0.03);
}
.cta-band-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

/* FAQ */
.faq {
  display: grid;
  gap: 10px;
}
.faq-item {
  padding: 0;
  overflow: hidden;
}
.faq-q {
  width: 100%;
  text-align: left;
  border: 0;
  background: transparent;
  padding: 14px 16px;
  cursor: pointer;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
  align-items: center;
}
.faq-q span:first-child {
  font-weight: 700;
}
.faq-icon {
  width: 12px;
  height: 12px;
  border-right: 2px solid rgba(255, 255, 255, 0.7);
  border-bottom: 2px solid rgba(255, 255, 255, 0.7);
  transform: rotate(45deg);
  transition: transform 160ms ease;
}
.faq-item.is-open .faq-icon {
  transform: rotate(225deg);
}
.faq-a {
  padding: 0 16px 14px;
  display: grid;
  gap: 8px;
}
.faq-a[aria-hidden="true"] {
  display: none;
}

/* Contact */
.contact-grid {
  display: grid;
  gap: 12px;
}
.contact-info .info-card {
  border-radius: var(--r-lg);
  border: 1px solid rgba(255, 255, 255, 0.09);
  background: rgba(255, 255, 255, 0.03);
  padding: 16px;
}
.ol {
  margin: 10px 0 14px;
  padding-left: 18px;
  color: var(--muted);
  line-height: 1.65;
}
.contact-lines {
  display: grid;
  gap: 8px;
  margin-top: 8px;
}
.line {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 10px;
  align-items: baseline;
}
.label {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.92rem;
}
.value {
  color: rgba(255, 255, 255, 0.9);
}
.mini-note {
  margin-top: 12px;
  padding: 12px 12px;
  border-radius: var(--r-md);
  border: 1px dashed rgba(255, 255, 255, 0.16);
  color: rgba(255, 255, 255, 0.78);
  background: rgba(255, 255, 255, 0.02);
}

.contact-form {
  position: relative;
  overflow: hidden;
}
.field {
  display: grid;
  gap: 8px;
  margin-bottom: 12px;
}
label {
  font-weight: 600;
  color: rgba(255, 255, 255, 0.85);
}
.error {
  min-height: 18px;
  color: rgba(255, 168, 168, 0.92);
  font-size: 0.9rem;
}
.check {
  display: grid;
  grid-template-columns: 18px 1fr;
  gap: 10px;
  align-items: start;
  margin-top: 6px;
  user-select: none;
}
.check input {
  width: 18px;
  height: 18px;
  margin-top: 2px;
}
.form-actions {
  margin-top: 14px;
  display: grid;
  gap: 10px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid transparent;
  cursor: pointer;
  font-weight: 700;
  transition: transform 140ms ease, filter 140ms ease, background 160ms ease, border-color 160ms ease;
  user-select: none;
  white-space: nowrap;
}
.btn:active {
  transform: translateY(1px);
}
.btn-primary {
  color: #081022;
  background: linear-gradient(135deg, rgba(110, 231, 255, 0.95), rgba(167, 139, 250, 0.9));
  border-color: rgba(255, 255, 255, 0.06);
}
.btn-primary:hover {
  filter: brightness(1.03);
}
.btn-ghost {
  background: rgba(255, 255, 255, 0.03);
  border-color: rgba(255, 255, 255, 0.12);
  color: rgba(255, 255, 255, 0.9);
}
.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.18);
}

/* Toast */
.toast {
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 14px;
  display: grid;
  gap: 6px;
  padding: 12px 12px;
  border-radius: var(--r-md);
  border: 1px solid rgba(124, 255, 168, 0.22);
  background: radial-gradient(700px 280px at 0% 0%, rgba(124, 255, 168, 0.13), transparent 55%),
    rgba(10, 18, 40, 0.92);
  box-shadow: var(--shadow-soft);
}
.toast-title {
  font-weight: 800;
}
.toast-text {
  color: rgba(255, 255, 255, 0.78);
}
.toast-close {
  position: absolute;
  top: 8px;
  right: 10px;
  width: 34px;
  height: 34px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.03);
  cursor: pointer;
}

/* Footer */
.footer {
  padding: 32px 0 40px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}
.footer-grid {
  display: grid;
  gap: 18px;
}
.footer-brand {
  display: grid;
  gap: 6px;
  margin-bottom: 8px;
}
.footer-h {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1rem;
}
.footer-col {
  display: grid;
  gap: 8px;
}
.footer-link {
  color: var(--muted);
  transition: color 140ms ease;
}
.footer-link:hover {
  color: rgba(255, 255, 255, 0.92);
}

/* Reveal animations */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 700ms cubic-bezier(0.2, 0.7, 0.2, 1), transform 700ms cubic-bezier(0.2, 0.7, 0.2, 1);
  transition-delay: var(--delay, 0ms);
  will-change: opacity, transform;
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Utilities */
.section,
[id] {
  scroll-margin-top: calc(var(--header-h) + 16px);
}

/* Responsive */
@media (min-width: 480px) {
  .hero {
    padding-top: 44px;
  }
  .trust-panel {
    grid-template-columns: 1fr 1fr;
  }
}
@media (min-width: 768px) {
  .header-inner {
    grid-template-columns: auto 1fr auto;
  }
  .nav {
    display: flex;
    justify-content: center;
  }
  .lang {
    display: inline-flex;
  }
  .menu-btn {
    display: none;
  }
  .mobile-menu {
    display: none !important;
  }

  .hero-grid {
    grid-template-columns: 1.05fr 0.95fr;
    align-items: center;
    gap: 26px;
  }
  .trust-panel {
    grid-template-columns: 1fr;
  }

  .grid-2 {
    grid-template-columns: 1fr 1fr;
  }
  .features-grid {
    grid-template-columns: 1fr 1fr;
  }
  .steps {
    grid-template-columns: 1fr 1fr;
  }
  .cases-grid {
    grid-template-columns: 1fr 1fr;
  }
  .note-card {
    grid-template-columns: 1fr 1.15fr;
  }
  .cta-band-inner {
    grid-template-columns: 1.2fr 0.8fr;
    align-items: center;
  }

  .contact-grid {
    grid-template-columns: 1.05fr 0.95fr;
    align-items: start;
  }
  .footer-grid {
    grid-template-columns: 1.3fr 0.8fr 0.8fr;
    align-items: start;
  }
}
@media (min-width: 1024px) {
  .section {
    padding: 72px 0;
  }
  .features-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .steps {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  .reveal {
    transition: none;
    opacity: 1;
    transform: none;
  }
  .card,
  .btn,
  .nav-link,
  .mobile-link {
    transition: none;
  }
}