/* LubeWear Live — base: tokens, reset, typography, buttons */

:root {
  --blue: #0066aa;
  --blue-bright: #1e90d6;
  --blue-deep: #004a7c;
  --navy: #041a2e;
  --navy-2: #06253f;
  --ink: #10283c;
  --slate: #4a6076;
  --sky: #eaf3fa;
  --white: #ffffff;
  --gold: #f5b942;
  --radius: 18px;
  --shadow: 0 12px 40px rgba(4, 26, 46, 0.12);
  --font-head: 'Sora', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 90px; }

body {
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--white);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: var(--font-head);
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--ink);
}

h1 { font-size: clamp(2.4rem, 6vw, 4.2rem); font-weight: 800; }
h2 { font-size: clamp(1.8rem, 4vw, 2.6rem); font-weight: 700; }
h3 { font-size: 1.2rem; font-weight: 600; }

p { color: var(--slate); }

a { color: var(--blue); text-decoration: none; }

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

.container {
  width: min(1180px, 92%);
  margin-inline: auto;
}

section { padding: clamp(4rem, 8vw, 6.5rem) 0; }

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 1rem;
  padding: 0.9rem 1.8rem;
  border-radius: 999px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

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

.btn-solid {
  background: linear-gradient(135deg, var(--blue) 0%, var(--blue-bright) 100%);
  color: var(--white);
  box-shadow: 0 8px 24px rgba(0, 102, 170, 0.35);
}

.btn-solid:hover { box-shadow: 0 12px 32px rgba(0, 102, 170, 0.45); }

.btn-ghost {
  border-color: rgba(255, 255, 255, 0.5);
  color: var(--white);
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(8px);
}

.btn-ghost:hover { background: rgba(255, 255, 255, 0.16); }

.btn-light { background: var(--white); color: var(--blue-deep); }

.btn-outline-light { border-color: rgba(255,255,255,0.6); color: var(--white); }

.btn-outline-light:hover { background: rgba(255,255,255,0.12); }

.btn-outline { border-color: var(--blue); color: var(--blue); }

.btn-outline:hover { background: var(--sky); }

.btn-sm { padding: 0.55rem 1.3rem; font-size: 0.9rem; }

.btn-lg { padding: 1.05rem 2.3rem; font-size: 1.08rem; }

/* ---- Section headings ---- */
.section-head { max-width: 720px; margin-bottom: 3rem; }

.section-head.center { margin-inline: auto; text-align: center; }

.kicker {
  display: inline-block;
  font-family: var(--font-head);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 0.8rem;
}

.section-sub { margin-top: 1rem; font-size: 1.08rem; }

/* ---- Image / logo placeholders ---- */
.img-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  min-height: 260px;
  border: 2px dashed rgba(0, 102, 170, 0.35);
  border-radius: var(--radius);
  background: linear-gradient(135deg, var(--sky), #f6fafd);
  color: var(--blue);
  font-family: var(--font-head);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.logo-slot {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 90px;
  height: 44px;
  padding: 0 1rem;
  border: 1.5px dashed rgba(0, 102, 170, 0.4);
  border-radius: 10px;
  color: var(--blue);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* ---- Reveal on scroll ---- */
.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible { opacity: 1; transform: none; }

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

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--white);
  padding: 0.6rem 1rem;
  z-index: 200;
}

.skip-link:focus { left: 0; }