:root {
  --bg: #050505;
  --bg-raised: #0b0b0c;
  --surface: #101012;
  --surface-strong: #16161a;
  --card: #121215;
  --text: #f4f4f5;
  --text-secondary: #a2a2a8;
  --text-tertiary: #6e6e75;
  --text-muted: #6e6e75;
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.16);
  --border-faint: rgba(255, 255, 255, 0.05);

  --brand: #ffffff;
  --brand-red: #ffffff;
  --brand-red-strong: #ffffff;
  --brand-red-soft: #ffffff;
  --brand-blue: #ffffff;
  --brand-blue-strong: #ffffff;
  --brand-blue-soft: rgba(255, 255, 255, 0.12);
  --brand-duo: linear-gradient(90deg, #ffffff, #ffffff);

  --font-body: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-display: "Space Grotesk", "Inter", system-ui, sans-serif;

  --fs-h2: clamp(1.9rem, 1.1rem + 2.6vw, 3.15rem);
  --fs-h3: clamp(1.1rem, 1rem + 0.4vw, 1.3rem);
  --fs-body: clamp(0.95rem, 0.92rem + 0.15vw, 1.02rem);
  --fs-small: 0.855rem;
  --fs-tiny: 0.75rem;

  --leading-tight: 1.06;
  --leading-snug: 1.28;
  --leading-body: 1.7;

  --tracking-display: -0.03em;
  --tracking-heading: -0.02em;
  --tracking-label: 0.14em;

  --container: 1240px;
  --gutter: clamp(1.25rem, 4vw, 3rem);
  --section-y: clamp(2.5rem, 5vw, 4rem);
  --header-h: 4.25rem;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;

  --ease-out: cubic-bezier(0.22, 0.61, 0.36, 1);
  --dur-fast: 160ms;
  --dur-med: 320ms;
  --dur-slow: 640ms;
  --dur-normal: 320ms;
}

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

html {
  color-scheme: dark;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 1.5rem);
  -webkit-text-size-adjust: 100%;
  overflow-x: hidden;
}

body {
  margin: 0;
  background-color: var(--bg);
  color: var(--text-secondary);
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: var(--leading-body);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body.no-scroll {
  overflow: hidden !important;
}

h1,
h2,
h3,
h4 {
  margin: 0;
  color: var(--text);
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: var(--tracking-heading);
}

p {
  margin: 0;
}

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

ul,
ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

dl,
dt,
dd {
  margin: 0;
}

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  padding: 0;
  cursor: pointer;
}

svg {
  display: block;
}

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

::selection {
  background: var(--text);
  color: var(--bg);
}

:focus-visible {
  outline: 2px solid var(--brand-blue);
  outline-offset: 3px;
  border-radius: 2px;
}

.container {
  width: min(100% - (var(--gutter) * 2), var(--container));
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 200;
  padding: 0.6rem 1rem;
  background: var(--text);
  color: var(--bg);
  font-size: var(--fs-small);
  font-weight: 500;
  border-radius: var(--radius-sm);
  transform: translateY(-200%);
  transition: transform var(--dur-fast) var(--ease-out);
}

.skip-link:focus {
  transform: translateY(0);
}

main section {
  position: relative;
}

.section {
  padding-block: var(--section-y);
}

.section + .section:not(.section-plain),
.section-bordered {
  border-top: 1px solid var(--border-faint);
}

.eyebrow {
  display: flex;
  align-items: baseline;
  gap: 0.9rem;
  margin-bottom: clamp(1.75rem, 3vw, 2.75rem);
  color: var(--text-tertiary);
  font-size: var(--fs-tiny);
  font-weight: 500;
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
}

.eyebrow-index {
  font-variant-numeric: tabular-nums;
}

.eyebrow-index::after {
  content: "";
  display: inline-block;
  width: 2.25rem;
  height: 1px;
  background: var(--border-strong);
  vertical-align: middle;
  margin-left: 0.9rem;
  transform: translateY(-0.2em);
}

.section-head {
  max-width: 46rem;
}

.section-title {
  font-size: var(--fs-h2);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-display);
  text-wrap: balance;
}

.section-desc {
  margin-top: 1.4rem;
  max-width: 38rem;
  font-size: clamp(1rem, 0.95rem + 0.25vw, 1.12rem);
  line-height: 1.65;
}

.section-head-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(2rem, 5vw, 5rem);
  align-items: end;
}

.section-head-split .section-desc {
  margin-top: 0;
  justify-self: end;
}

.text-display {
  font-family: var(--font-display);
  font-size: var(--fs-h2);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-display);
  color: var(--text);
}

[data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition:
    opacity var(--dur-slow) var(--ease-out),
    transform var(--dur-slow) var(--ease-out);
  transition-delay: var(--reveal-delay, 0ms);
}

[data-reveal].is-visible,
.no-js [data-reveal] {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  [data-reveal] {
    opacity: 1;
    transform: none;
  }
}

/* Large desktop & ultrawide: use space without stretching */
@media (min-width: 1800px) {
  :root {
    --container: 1400px;
  }
}

@media (min-width: 2800px) {
  :root {
    --container: 1520px;
  }
}

/* ---- Phone / country-code picker (register + dashboard) ---- */
.cc-row { display: flex; gap: .65rem; align-items: stretch; }
.cc-wrap { position: relative; flex: 0 0 7.5rem; }
.cc-trigger { width: 100%; height: 100%; display: flex; align-items: center; justify-content: space-between; gap: .35rem; padding: .875rem .8rem; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-sm); color: var(--text); font-family: inherit; font-size: .95rem; cursor: pointer; transition: border-color var(--dur-fast) var(--ease-out); }
.cc-trigger:hover, .cc-trigger.open { border-color: var(--text-tertiary); }
.cc-trigger svg { flex-shrink: 0; color: var(--text-tertiary); }
.cc-drop { position: absolute; top: calc(100% + 6px); left: 0; width: 320px; max-width: 82vw; background: var(--card, #121212); border: 1px solid var(--border); border-radius: var(--radius-sm); box-shadow: 0 16px 40px rgba(0,0,0,.45); z-index: 60; overflow: hidden; }
.cc-search { width: 100%; padding: .7rem .8rem; background: var(--surface); border: none; border-bottom: 1px solid var(--border); color: var(--text); font-family: inherit; font-size: .9rem; outline: none; }
.cc-list { margin: 0; padding: 0; list-style: none; max-height: 220px; overflow-y: auto; }
.cc-list li { padding: .6rem .8rem; display: flex; align-items: center; justify-content: space-between; gap: 1rem; cursor: pointer; font-size: .88rem; }
.cc-list li:hover, .cc-list li.sel { background: rgba(122,162,255,.08); }
.cc-iso { color: var(--text-tertiary); font-size: .72rem; letter-spacing: .04em; white-space: nowrap; }
.cc-empty { padding: .6rem .8rem; color: var(--text-tertiary); font-size: .85rem; }

/* ---- Mobile 100/100 Optimizations ---- */
@media (max-width: 768px) {
  /* Minimum tap target size 44px - only on controls */
  .d-btn, .mh-btn, .nav-link, .mobile-nav-link, .footer-col a, .about-nav-link, 
  input[type="submit"], input[type="button"], [role="button"] {
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    padding: 0.6rem 1rem;
  }
  
  /* Prevent horizontal overflow */
  html, body {
    overflow-x: hidden;
    -webkit-text-size-adjust: 100%;
  }
  
  /* Minimum font size 12px for readability */
  p, span, li, td, th, label, small, div {
    font-size: max(0.75rem, inherit);
  }
  
  .footer-col h3, .footer-col a, .footer-brand p {
    font-size: max(0.8rem, inherit);
  }
  
  /* Proper spacing between tap targets */
  .footer-col ul {
    gap: 0.8rem;
  }
  
  /* Fix small text in policy pages */
  .policy-doc p, .policy-doc li {
    font-size: 0.9rem;
    line-height: 1.7;
  }
  
  /* Tables scroll horizontally */
  table {
    display: block;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
  
  /* Form inputs full width */
  input[type="text"], input[type="email"], input[type="password"], 
  input[type="tel"], input[type="number"], select, textarea {
    width: 100%;
    box-sizing: border-box;
  }
  
  /* Proper viewport height for mobile browsers */
  .mh-hero, .section {
    min-height: auto;
  }
  
  /* Fix overflow on cards */
  .mh-plan, .about-card, .team-card, .tk-row {
    overflow: hidden;
    word-wrap: break-word;
  }
  
  /* Safe area for notch devices */
  body {
    padding-left: env(safe-area-inset-left);
    padding-right: env(safe-area-inset-right);
  }
  
  /* Fix iOS zoom on input focus */
  input[type="text"], input[type="email"], input[type="password"], 
  input[type="tel"], input[type="number"], select, textarea {
    font-size: 16px;
  }
}