:root {
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3.5rem);
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --radius-sm: 0.375rem;
  --radius-md: 0.75rem;
  --radius-lg: 1.125rem;
  --radius-xl: 1.5rem;
  --radius-full: 9999px;
  --shadow-sm: 0 10px 24px rgba(0,0,0,.16);
  --shadow-md: 0 16px 40px rgba(0,0,0,.22);
  --shadow-lg: 0 24px 60px rgba(0,0,0,.28);
  --content-default: 1120px;
  --transition: 180ms cubic-bezier(.16,1,.3,1);
  --font-display: 'Satoshi', 'Inter', sans-serif;
  --font-body: 'Satoshi', 'Inter', sans-serif;
}

:root,
[data-theme="dark"] {
  --color-bg: #121b36;
  --color-surface: #202944;
  --color-surface-2: #2b3451;
  --color-surface-3: #35405f;
  --color-border: rgba(255,255,255,.08);
  --color-divider: rgba(255,255,255,.10);
  --color-text: #f2f5ff;
  --color-text-muted: #b8c1d9;
  --color-text-faint: #8f97af;
  --color-primary: #e3653a;
  --color-primary-hover: #f07a4c;
  --color-primary-soft: rgba(227,101,58,.16);
  --color-secondary: #7fdaf1;
  --color-card-glow: rgba(127,218,241,.07);
}

[data-theme="light"] {
  --color-bg: #eff3fb;
  --color-surface: #ffffff;
  --color-surface-2: #f4f6fb;
  --color-surface-3: #e8edf7;
  --color-border: rgba(18,27,54,.08);
  --color-divider: rgba(18,27,54,.12);
  --color-text: #16203c;
  --color-text-muted: #52607f;
  --color-text-faint: #75809c;
  --color-primary: #e3653a;
  --color-primary-hover: #cb562d;
  --color-primary-soft: rgba(227,101,58,.12);
  --color-secondary: #1689a5;
  --color-card-glow: rgba(22,137,165,.08);
  --shadow-sm: 0 8px 24px rgba(14,26,53,.08);
  --shadow-md: 0 16px 40px rgba(14,26,53,.12);
  --shadow-lg: 0 24px 64px rgba(14,26,53,.16);
}

@media (prefers-color-scheme: light) {
  :root:not([data-theme]) {
    --color-bg: #eff3fb;
    --color-surface: #ffffff;
    --color-surface-2: #f4f6fb;
    --color-surface-3: #e8edf7;
    --color-border: rgba(18,27,54,.08);
    --color-divider: rgba(18,27,54,.12);
    --color-text: #16203c;
    --color-text-muted: #52607f;
    --color-text-faint: #75809c;
    --color-primary: #e3653a;
    --color-primary-hover: #cb562d;
    --color-primary-soft: rgba(227,101,58,.12);
    --color-secondary: #1689a5;
    --color-card-glow: rgba(22,137,165,.08);
    --shadow-sm: 0 8px 24px rgba(14,26,53,.08);
    --shadow-md: 0 16px 40px rgba(14,26,53,.12);
    --shadow-lg: 0 24px 64px rgba(14,26,53,.16);
  }
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-body);
  background:
    radial-gradient(circle at top center, rgba(227,101,58,.16), transparent 24%),
    radial-gradient(circle at 20% 20%, rgba(127,218,241,.10), transparent 22%),
    linear-gradient(180deg, var(--color-bg) 0%, color-mix(in srgb, var(--color-bg) 88%, black 12%) 100%);
  color: var(--color-text);
  line-height: 1.65;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }

.skip-link {
  position: absolute;
  left: -999px;
  top: var(--space-4);
  background: var(--color-primary);
  color: #fff;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-full);
}
.skip-link:focus { left: var(--space-4); z-index: 1000; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(18px);
  background: color-mix(in srgb, var(--color-bg) 72%, transparent);
  border-bottom: 1px solid var(--color-border);
}

.container {
  width: min(calc(100% - 2rem), var(--content-default));
  margin: 0 auto;
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  min-height: 80px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  font-weight: 700;
  letter-spacing: -.02em;
}

.brand-mark {
  width: 2.75rem;
  height: 2.75rem;
  padding: .45rem;
  border-radius: 50%;
  background: linear-gradient(180deg, rgba(227,101,58,.22), rgba(227,101,58,.08));
  color: var(--color-primary);
  box-shadow: inset 0 0 0 1px rgba(227,101,58,.22);
}

.brand span {
  font-size: 1.2rem;
}

.brand .accent { color: var(--color-primary); }
.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.nav-links a,
.theme-toggle {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: .75rem 1rem;
  border-radius: var(--radius-full);
  border: 1px solid transparent;
  color: var(--color-text-muted);
  transition: var(--transition);
}

.nav-links a:hover,
.nav-links a[aria-current="page"],
.theme-toggle:hover {
  color: var(--color-text);
  background: rgba(255,255,255,.04);
  border-color: var(--color-border);
}

.theme-toggle {
  background: var(--color-surface);
  color: var(--color-text);
  box-shadow: var(--shadow-sm);
}

main { padding: clamp(var(--space-8), 8vw, var(--space-20)) 0; }
.hero {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: var(--space-10);
  align-items: center;
  min-height: calc(100vh - 160px);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  padding: .55rem .9rem;
  border-radius: var(--radius-full);
  background: var(--color-primary-soft);
  color: #ffd0bf;
  border: 1px solid rgba(227,101,58,.18);
  font-size: var(--text-sm);
}
[data-theme="light"] .eyebrow { color: var(--color-primary); }

.hero h1,
.page-title {
  font-size: var(--text-2xl);
  line-height: 1.03;
  letter-spacing: -.04em;
  margin: var(--space-5) 0 var(--space-4);
}

.lead {
  color: var(--color-text-muted);
  font-size: var(--text-lg);
  max-width: 34rem;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-8);
}

.btn {
  min-height: 48px;
  padding: .9rem 1.25rem;
  border-radius: 1rem;
  border: 1px solid transparent;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .65rem;
  font-weight: 600;
  transition: transform var(--transition), background var(--transition), border-color var(--transition);
}
.btn:hover { transform: translateY(-1px); }
.btn-primary {
  background: var(--color-primary);
  color: #fff;
  box-shadow: var(--shadow-md);
}
.btn-primary:hover { background: var(--color-primary-hover); }
.btn-secondary {
  background: var(--color-surface);
  color: var(--color-text);
  border-color: var(--color-border);
}

.mockup {
  position: relative;
  padding: var(--space-5);
  background: linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.02));
  border: 1px solid var(--color-border);
  border-radius: 2rem;
  box-shadow: var(--shadow-lg);
}

.phone {
  max-width: 360px;
  margin: 0 auto;
  background: #10172f;
  border-radius: 2rem;
  padding: 1rem;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.05), 0 25px 60px rgba(8,10,20,.45);
}
.phone-screen {
  border-radius: 1.5rem;
  overflow: hidden;
  background: linear-gradient(180deg, #13203d 0%, #10172f 100%);
  padding: 1.15rem;
}
.phone-top {
  display: flex;
  justify-content: space-between;
  color: rgba(255,255,255,.75);
  font-size: .85rem;
  margin-bottom: 1.5rem;
}
.logo-panel {
  display: grid;
  place-items: center;
  gap: .85rem;
  padding: 1rem 0 1.4rem;
}
.logo-icon {
  width: 6.2rem;
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle at 50% 35%, #ffb16d, #e28a24 58%, #c96d09 100%);
  display: grid;
  place-items: center;
  color: #14213d;
}
.logo-text {
  display: flex;
  gap: .1rem;
  align-items: baseline;
  font-size: 2rem;
  font-weight: 700;
}
.logo-text .light { color: var(--color-secondary); }
.logo-text .orange { color: #f09a36; }
.auth-card {
  background: rgba(40,49,76,.96);
  border: 1px solid rgba(255,255,255,.06);
  border-radius: 1.55rem;
  padding: 1rem;
  box-shadow: 0 20px 40px rgba(0,0,0,.22);
}
.auth-tabs,
.auth-actions { display: grid; grid-template-columns: 1fr 1fr; gap: .75rem; }
.tab {
  border-radius: 1rem;
  padding: .8rem;
  text-align: center;
  color: rgba(255,255,255,.55);
  font-weight: 600;
}
.tab.active,
.auth-btn {
  background: var(--color-primary);
  color: #fff;
}
.field,
.social-btn {
  margin-top: .85rem;
  background: #434b69;
  border-radius: 1rem;
  color: rgba(255,255,255,.72);
  padding: 1rem;
}
.auth-btn,
.social-btn {
  margin-top: 1rem;
  width: 100%;
  border: none;
  min-height: 3.25rem;
  border-radius: 1rem;
  font-weight: 700;
}
.social-btn {
  background: transparent;
  border: 1px solid rgba(255,255,255,.09);
}
.fineprint {
  text-align: center;
  color: rgba(255,255,255,.55);
  font-size: .86rem;
  margin-top: .9rem;
}

.section {
  padding: clamp(var(--space-10), 8vw, var(--space-20)) 0;
}
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
}
.card {
  background: linear-gradient(180deg, color-mix(in srgb, var(--color-surface) 92%, white 8%), var(--color-surface));
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
}
.card h3 { margin: 0 0 .75rem; font-size: 1.15rem; }
.card p { margin: 0; color: var(--color-text-muted); }
.section-heading {
  max-width: 42rem;
  margin-bottom: var(--space-8);
}
.section-heading h2 { font-size: var(--text-xl); margin: 0 0 var(--space-3); }
.section-heading p { margin: 0; color: var(--color-text-muted); }

.page-shell {
  max-width: 860px;
  margin: 0 auto;
  background: linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.02));
  border: 1px solid var(--color-border);
  border-radius: 2rem;
  padding: clamp(var(--space-6), 4vw, var(--space-10));
  box-shadow: var(--shadow-md);
}
.page-shell p,
.page-shell li {
  color: var(--color-text-muted);
}
.page-shell h2,
.page-shell h3 {
  margin-top: var(--space-8);
  margin-bottom: var(--space-3);
}
.page-shell ul {
  padding-left: 1.1rem;
}
.page-shell li + li { margin-top: .5rem; }
.meta {
  color: var(--color-text-faint);
  font-size: var(--text-sm);
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
  margin-top: var(--space-8);
}
.person-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 1.4rem;
  padding: var(--space-5);
  box-shadow: var(--shadow-sm);
}
.avatar {
  width: 3.5rem;
  height: 3.5rem;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-weight: 700;
  background: linear-gradient(180deg, rgba(227,101,58,.25), rgba(127,218,241,.18));
  color: var(--color-text);
  margin-bottom: var(--space-4);
}
.person-card .role {
  color: var(--color-primary);
  font-weight: 600;
  font-size: var(--text-sm);
}

.thank-you {
  text-align: center;
  padding: clamp(var(--space-12), 10vw, var(--space-24)) 0;
}
.thank-you .page-shell { max-width: 720px; }
.success-badge {
  width: 5rem;
  height: 5rem;
  border-radius: 50%;
  margin: 0 auto var(--space-5);
  display: grid;
  place-items: center;
  background: linear-gradient(180deg, rgba(227,101,58,.22), rgba(127,218,241,.18));
  color: var(--color-primary);
}

.site-footer {
  border-top: 1px solid var(--color-border);
  margin-top: var(--space-12);
  padding: var(--space-6) 0 var(--space-10);
}
.footer-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
}
.footer-links {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
  color: var(--color-text-muted);
}
.footer-links a:hover { color: var(--color-text); }

@media (max-width: 920px) {
  .hero,
  .grid-3,
  .team-grid { grid-template-columns: 1fr; }
  .hero { min-height: auto; }
}

@media (max-width: 720px) {
  .navbar { align-items: flex-start; flex-direction: column; padding: var(--space-3) 0; }
  .nav-links { width: 100%; justify-content: flex-start; }
  .page-shell { border-radius: 1.5rem; }
  .mockup { padding: var(--space-3); }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
    scroll-behavior: auto !important;
  }
}