/* Atlas Automation Agency — Global styles */

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

html,
body {
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  background: var(--bg);
}

body {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

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

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

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

/* ─── Typography ──────────────────────────────────────────────── */

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 400;
  letter-spacing: 0.01em;
  line-height: 0.95;
  margin: 0;
  text-transform: uppercase;
  color: var(--text);
}

h1 { font-size: clamp(56px, 9vw, 132px); letter-spacing: -0.005em; }
h2 { font-size: clamp(40px, 6vw, 84px); }
h3 { font-size: clamp(28px, 3.4vw, 48px); }
h4 { font-size: clamp(20px, 2vw, 28px); letter-spacing: 0.04em; }

p {
  margin: 0;
  color: var(--text);
  text-wrap: pretty;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--blue);
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.eyebrow::before {
  content: "";
  width: 28px;
  height: 1px;
  background: var(--blue);
  display: inline-block;
}

.blue { color: var(--blue); }
.mute { color: var(--text-muted); }

/* "key words in blue" — any .accent renders blue (works in headings, stats, etc) */
.accent { color: var(--blue); }

/* ─── White-text blue glow on hover ───────────────────────────── */
/* Opt-in via [data-glow] on any element with white-ish text.    */
[data-glow] {
  transition: text-shadow var(--t-med) var(--ease-out),
              color var(--t-med) var(--ease-out);
}
[data-glow]:hover,
[data-glow]:focus-visible {
  color: var(--text);
  text-shadow:
    0 0 1px var(--blue-bloom),
    0 0 12px var(--blue-bloom),
    0 0 28px var(--blue-bloom-soft);
}

/* ─── Layout primitives ──────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--gutter);
  position: relative;
}

section {
  position: relative;
  padding: clamp(80px, 12vw, 160px) 0;
}

/* ─── Buttons ────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 22px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--t-med) var(--ease-out);
  position: relative;
  isolation: isolate;
  white-space: nowrap;
}
.btn .arrow {
  display: inline-block;
  width: 14px;
  height: 1px;
  background: currentColor;
  position: relative;
  transition: transform var(--t-med) var(--ease-out);
}
.btn .arrow::after {
  content: "";
  position: absolute;
  right: 0;
  top: 50%;
  width: 6px;
  height: 6px;
  border-top: 1px solid currentColor;
  border-right: 1px solid currentColor;
  transform: translateY(-50%) rotate(45deg);
}
.btn:hover .arrow { transform: translateX(4px); }

.btn-primary {
  background: var(--blue);
  color: #001018;
  box-shadow: 0 0 0 0 var(--blue-bloom), 0 8px 24px rgba(0, 200, 255, 0.2);
}
.btn-primary:hover {
  background: #36d4ff;
  box-shadow: 0 0 0 6px var(--blue-bloom-soft), 0 12px 36px rgba(0, 200, 255, 0.4);
  transform: translateY(-1px);
}

.btn-ghost {
  background: rgba(14, 21, 34, 0.6);
  color: var(--text);
  border-color: var(--border);
  backdrop-filter: blur(8px);
}
.btn-ghost:hover {
  border-color: var(--blue);
  color: var(--blue);
  box-shadow: 0 0 24px var(--blue-bloom-soft);
}

/* ─── Cards / surfaces ──────────────────────────────────────── */
.card {
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  position: relative;
  transition: border-color var(--t-med) var(--ease-out),
              transform var(--t-med) var(--ease-out),
              box-shadow var(--t-med) var(--ease-out);
}
.card:hover {
  border-color: var(--blue);
  box-shadow: 0 0 0 1px var(--blue-bloom-soft),
              0 20px 60px rgba(0, 102, 255, 0.18);
  transform: translateY(-2px);
}

.divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border), transparent);
  border: 0;
  margin: 0;
}

/* ─── Scroll fade-up ────────────────────────────────────────── */
[data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.9s var(--ease-out), transform 0.9s var(--ease-out);
  transition-delay: var(--reveal-delay, 0s);
  will-change: opacity, transform;
}
[data-reveal].is-in {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }
  html { scroll-behavior: auto; }
}

/* ─── Selection ─────────────────────────────────────────────── */
::selection {
  background: var(--blue);
  color: #001018;
}

/* ─── Scrollbar ─────────────────────────────────────────────── */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 8px;
}
::-webkit-scrollbar-thumb:hover { background: var(--blue-deep); }