/* ============================================================
   AARTUX — BASE (base.css)
   Reset, typography, and utility classes.
   ============================================================ */

/* ── Reset ── */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--f-family);
  font-size: var(--f-base);
  line-height: 1.7;
  color: var(--c-text);
  background: var(--c-bg);
  overflow-x: hidden;
}

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

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

ul {
  list-style: none;
}

/* ── Utilities ── */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--s-page);
}

.dim   { color: var(--c-text-dim); }
.accent{ color: var(--c-accent); }

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 2rem;
  font-family: var(--f-family);
  font-size: var(--f-small);
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border-radius: 60px;
  border: none;
  cursor: pointer;
  transition: transform 0.3s var(--ease), box-shadow 0.3s, background 0.3s, border-color 0.3s;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: var(--c-accent);
  color: var(--c-bg);
}

.btn-primary:hover {
  box-shadow: 0 8px 30px rgba(200, 255, 0, 0.25);
}

.btn-outline {
  background: transparent;
  color: var(--c-text);
  border: 1.5px solid var(--c-border);
}

.btn-outline:hover {
  border-color: var(--c-text-dim);
}

a.btn {
  text-decoration: none;
}

/* ── Section commons ── */
section {
  padding: var(--s-section) 0;
}

.section-label {
  font-size: var(--f-small);
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--c-accent);
  margin-bottom: 1rem;
}

.section-title {
  font-size: var(--f-h2);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 2rem;
}

/* ── Scroll lock ── */
body.no-scroll {
  overflow: hidden;
}