:root {
  --bg: #f6f5f3;
  --bg-alt: #ffffff;
  --surface: #ffffffcc;
  --ink: #1b1b1f;
  --muted: #5a5f69;
  --accent: #1f5cff;
  --accent-dark: #1744bb;
  --border: #e4e4e2;
  --shadow: 0 20px 60px rgba(19, 23, 33, 0.12);
  --soft-shadow: 0 10px 20px rgba(19, 23, 33, 0.05);
  --radius: 18px;
  --gradient-top: #ffffff;
  --gradient-bottom: #efece7;
  --card: #ffffff;
  --glass: rgba(255, 255, 255, 0.6);
  --glass-strong: rgba(255, 255, 255, 0.95);
  --header-bg: rgba(246, 245, 243, 0.85);
  --footer-bg: #0e1218;
  --footer-ink: #dfe3eb;
  --field-bg: #ffffff;
  --support-input-bg: #0b1624;
  --support-input-border: #1f2d40;
  --support-input-text: #e5eefb;
  --support-input-placeholder: #8fa0b6;
  --support-input-focus: #4dd2ff;
  --modal-backdrop: rgba(10, 14, 20, 0.65);
}

* {
  box-sizing: border-box;
}

html {
  color-scheme: light;
  scroll-behavior: smooth;
}

html[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0c0f14;
  --bg-alt: #11161f;
  --surface: rgba(17, 22, 31, 0.9);
  --ink: #f2f5f9;
  --muted: #a8b0be;
  --accent: #7aa2ff;
  --accent-dark: #5f86f2;
  --border: #242b36;
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.45);
  --soft-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
  --gradient-top: #1a2231;
  --gradient-bottom: #0b0f15;
  --card: #151c26;
  --glass: rgba(16, 20, 28, 0.7);
  --glass-strong: rgba(16, 20, 28, 0.95);
  --header-bg: rgba(12, 15, 20, 0.88);
  --footer-bg: #090b10;
  --footer-ink: #c7d0db;
  --field-bg: #0f141c;
  --support-input-bg: #08121f;
  --support-input-border: #223246;
  --support-input-text: #e6f0ff;
  --support-input-placeholder: #7f93ab;
  --support-input-focus: #4dd2ff;
  --modal-backdrop: rgba(5, 8, 12, 0.72);
}

body {
  margin: 0;
  font-family: "SF Pro Display", "SF Pro Text", "Avenir Next", "Helvetica Neue", "Noto Sans", sans-serif;
  background: radial-gradient(circle at top, var(--gradient-top) 0%, var(--bg) 55%, var(--gradient-bottom) 100%);
  color: var(--ink);
  line-height: 1.6;
}

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

a:hover,
a:focus-visible {
  color: var(--accent);
}

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

.skip-link {
  position: absolute;
  left: -999px;
  top: 12px;
  background: var(--ink);
  color: #fff;
  padding: 10px 16px;
  border-radius: 999px;
  z-index: 10;
}

.skip-link:focus {
  left: 12px;
}

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

.container {
  width: min(1100px, 92vw);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  backdrop-filter: blur(10px);
  background: var(--header-bg);
  border-bottom: 1px solid var(--border);
  z-index: 20;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.logo {
  width: 36px;
  height: 36px;
  border-radius: 12px;
  background: linear-gradient(135deg, #111827 0%, #2b3445 50%, #4f77ff 100%);
  color: #fff;
  display: grid;
  place-items: center;
  font-weight: 700;
}

.site-nav {
  display: flex;
  gap: 22px;
  font-size: 0.95rem;
}

.site-nav a {
  color: var(--muted);
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--ink);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 600;
  font-family: inherit;
  appearance: none;
  cursor: pointer;
  transition: border-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.theme-toggle:hover,
.theme-toggle:focus-visible {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-1px);
}

.theme-toggle-indicator {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: linear-gradient(135deg, #fcd34d 0%, #f59e0b 55%, #ef4444 100%);
  box-shadow: 0 0 0 2px rgba(0, 0, 0, 0.08) inset;
}

html[data-theme="dark"] .theme-toggle-indicator {
  background: radial-gradient(circle at 30% 30%, #dbe4ff 0%, #7aa2ff 55%, #3f5efb 100%);
}

.hero {
  padding: 90px 0 70px;
}

.hero-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 40px;
  align-items: center;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.75rem;
  color: var(--muted);
  margin: 0 0 16px;
}

h1 {
  font-size: clamp(2.4rem, 3.2vw, 3.6rem);
  line-height: 1.1;
  margin: 0 0 18px;
}

.subtitle {
  font-size: 1.15rem;
  color: var(--muted);
  margin: 0 0 28px;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 18px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 22px;
  border-radius: 999px;
  font-weight: 600;
  border: 1px solid transparent;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.button.primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 12px 30px rgba(31, 92, 255, 0.25);
}

.button.primary:hover,
.button.primary:focus-visible {
  background: var(--accent-dark);
  transform: translateY(-1px);
}

.button.ghost {
  border-color: var(--border);
  color: var(--ink);
  background: var(--card);
}

.button.ghost:hover,
.button.ghost:focus-visible {
  border-color: var(--accent);
  color: var(--accent);
}

.micro {
  font-size: 0.9rem;
  color: var(--muted);
}

.hero-card {
  background: linear-gradient(160deg, var(--glass), var(--glass-strong));
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  padding: 26px;
}

.hero-card-inner {
  background: var(--card);
  border-radius: calc(var(--radius) - 6px);
  padding: 28px;
  border: 1px solid var(--border);
}

.card-title {
  font-weight: 600;
  margin-top: 0;
}

.hero-card ul {
  padding-left: 20px;
  color: var(--muted);
}

.section {
  padding: 70px 0;
}

.section.alt {
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.section h2 {
  font-size: 2rem;
  margin: 0 0 18px;
}

.lead {
  font-size: 1.1rem;
  color: var(--muted);
  max-width: 720px;
}

.feature-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 26px;
  list-style: none;
  padding: 0;
  margin: 0;
}

.feature-list li {
  background: var(--card);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  padding: 22px;
  box-shadow: var(--soft-shadow);
}

.feature-list h3 {
  margin-top: 0;
  margin-bottom: 8px;
}

.feature-list p {
  margin: 0;
  color: var(--muted);
}

.support-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}

.support-meta {
  margin-top: 20px;
  color: var(--muted);
}

.support-form {
  background: var(--card);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  padding: 26px;
  box-shadow: var(--shadow);
}

.form-row {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 18px;
}

label {
  font-weight: 500;
}

input,
textarea {
  font: inherit;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--field-bg);
  color: var(--ink);
}

input:focus,
textarea:focus {
  outline: 2px solid rgba(31, 92, 255, 0.2);
  border-color: var(--accent);
}

.support-form input,
.support-form textarea,
.support-form select {
  padding: 14px 16px;
  border-radius: 16px;
  border: 1px solid var(--support-input-border);
  background: var(--support-input-bg);
  color: var(--support-input-text);
  min-height: 52px;
  width: 100%;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.02);
}

.support-form select {
  min-height: 56px;
  font-size: 1.05rem;
  padding-right: 48px;
  background-image: linear-gradient(45deg, transparent 50%, var(--support-input-text) 50%),
    linear-gradient(135deg, var(--support-input-text) 50%, transparent 50%),
    linear-gradient(to right, transparent, transparent);
  background-position: calc(100% - 22px) 52%, calc(100% - 16px) 52%, 0 0;
  background-size: 6px 6px, 6px 6px, 100% 100%;
  background-repeat: no-repeat;
  appearance: none;
}

.support-form textarea {
  min-height: 150px;
  resize: vertical;
}

.support-form input::placeholder,
.support-form textarea::placeholder {
  color: var(--support-input-placeholder);
}

.support-form input:focus,
.support-form textarea:focus,
.support-form select:focus {
  outline: 3px solid rgba(77, 210, 255, 0.2);
  border-color: var(--support-input-focus);
}

.support-form select:invalid {
  color: var(--support-input-placeholder);
}

.support-form option {
  color: var(--support-input-text);
  background: var(--support-input-bg);
}

.honeypot {
  position: absolute;
  left: -10000px;
}

.form-hint {
  font-size: 0.85rem;
  color: var(--muted);
  margin: 12px 0 0;
}

.form-status {
  margin: 14px 0 0;
  font-weight: 500;
}

.form-status.success {
  color: #12613f;
}

.form-status.error {
  color: #8c1d1d;
}

.support-form.sent .form-row,
.support-form.sent button,
.support-form.sent .form-hint {
  display: none;
}

.privacy {
  font-size: 0.98rem;
  color: var(--muted);
}

.privacy h3 {
  color: var(--ink);
  margin-top: 32px;
}

.privacy ul {
  padding-left: 20px;
}

.privacy-effective {
  color: var(--ink);
  margin-top: 0;
}

.privacy-summary {
  padding-left: 20px;
  margin-bottom: 24px;
  color: var(--muted);
}

.modal {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  z-index: 60;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.2s ease, visibility 0.2s ease;
}

.modal.is-open,
.modal:target {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: var(--modal-backdrop);
  backdrop-filter: blur(6px);
}

.modal-dialog {
  position: relative;
  width: min(900px, 92vw);
  max-height: 85vh;
  background: var(--card);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  overflow: hidden;
  z-index: 1;
  transform: translateY(10px);
  transition: transform 0.2s ease;
}

.modal.is-open .modal-dialog,
.modal:target .modal-dialog {
  transform: translateY(0);
}

.modal-dialog:focus {
  outline: none;
}

.modal-content {
  padding: 28px 28px 32px;
  overflow-y: auto;
  max-height: 85vh;
}

.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--muted);
  border-radius: 999px;
  padding: 6px 14px;
  font-weight: 600;
  cursor: pointer;
}

.modal-close:hover,
.modal-close:focus-visible {
  color: var(--ink);
  border-color: var(--accent);
}

body.modal-open {
  overflow: hidden;
}

.site-footer {
  padding: 28px 0 40px;
  background: var(--footer-bg);
  color: var(--footer-ink);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.9rem;
}

.footer-links {
  display: flex;
  gap: 16px;
}

.footer-links a {
  color: var(--footer-ink);
}

.footer-links a:hover,
.footer-links a:focus-visible {
  color: #fff;
}

@media (max-width: 980px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }

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

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

  .header-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .header-actions {
    width: 100%;
    justify-content: space-between;
    flex-wrap: wrap;
  }
}

@media (max-width: 700px) {
  .site-nav {
    flex-wrap: wrap;
    gap: 12px;
  }

  .hero {
    padding: 70px 0 50px;
  }

  .footer-inner {
    flex-direction: column;
    gap: 12px;
    align-items: flex-start;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    scroll-behavior: auto !important;
    transition: none !important;
  }
}