/* ============================================
   GLOBAL STYLES — TEMPLATE
   ============================================ */

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  overflow-x: hidden;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: var(--line-height-normal);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  /* Page load fade */
  opacity: 0;
  transition: opacity var(--transition-slow) var(--ease-smooth);
}

body.is-loaded {
  opacity: 1;
}

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

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

/* Elegant underline reveal for inline links */
.link-underline {
  position: relative;
  display: inline;
}

.link-underline::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 100%;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--transition-base) var(--ease-silk);
}

.link-underline:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

ul, ol { list-style: none; }

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

input, textarea, select {
  font-family: inherit;
  font-size: inherit;
}

/* ---- LAYOUT ---- */
.container {
  width: 100%;
  max-width: var(--container-xl);
  margin: 0 auto;
  padding: 0 var(--space-5);
}

@media (min-width: 768px) {
  .container { padding: 0 var(--space-10); }
}

@media (min-width: 1280px) {
  .container { padding: 0 var(--space-16); }
}

/* ---- SECTIONS ---- */
.section      { padding: var(--space-12) 0; }
.section-lg   { padding: var(--space-16) 0; }
.section-sm   { padding: var(--space-8) 0; }

@media (min-width: 768px) {
  .section    { padding: var(--space-16) 0; }
  .section-lg { padding: var(--space-20) 0; }
  .section-sm { padding: var(--space-12) 0; }
}

@media (min-width: 1024px) {
  .section    { padding: var(--space-20) 0; }
  .section-lg { padding: var(--space-24) 0; }
}
.section-alt  { background: var(--color-bg-alt); }
.section-warm { background: var(--color-bg-warm); }
.section-dark { background: var(--color-bg-dark); color: var(--color-text-on-dark); }
.section-dark h1,
.section-dark h2,
.section-dark h3,
.section-dark h4 { color: var(--color-text-on-dark); }
.section-dark p  { color: var(--color-text-muted-dark); }
.section-dark .eyebrow { color: var(--color-accent-on-dark); }

/* ---- TYPOGRAPHY ---- */
h1, h2, h3, h4, h5 {
  font-family: var(--font-display);
  font-weight: var(--font-weight-normal);
  line-height: var(--line-height-tight);
  letter-spacing: var(--tracking-tight);
  color: var(--color-text);
}

h1 { font-size: var(--text-3xl); font-weight: var(--font-weight-normal); }
h2 { font-size: var(--text-3xl); }
h3 { font-size: var(--text-2xl); }
h4 { font-size: var(--text-xl); }

@media (min-width: 480px) {
  h1 { font-size: var(--text-4xl); }
}
@media (min-width: 768px) {
  h1 { font-size: var(--text-5xl); }
  h2 { font-size: var(--text-4xl); }
}
@media (min-width: 1024px) {
  h1 { font-size: var(--text-6xl); letter-spacing: -0.03em; }
}

p { line-height: var(--line-height-relaxed); }

/* ---- EYEBROW ---- */
.eyebrow {
  display: block;
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: var(--font-weight-semibold);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-3);
}

.eyebrow-dark { color: var(--color-accent-on-dark); }

/* ---- SECTION HEADER ---- */
.section-header { margin-bottom: var(--space-8); }
@media (min-width: 768px) { .section-header { margin-bottom: var(--space-12); } }

.section-header-centered {
  text-align: center;
  max-width: 640px;
  margin: 0 auto var(--space-8);
}
@media (min-width: 768px) { .section-header-centered { margin-bottom: var(--space-12); } }

.section-title {
  font-size: var(--text-3xl);
  margin-bottom: var(--space-4);
}

@media (min-width: 768px) {
  .section-title { font-size: var(--text-4xl); }
}

.section-lead {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  line-height: var(--line-height-relaxed);
  max-width: 560px;
}

.section-header-centered .section-lead { margin: 0 auto; }

/* ---- DIVIDER ---- */
.divider {
  width: 40px;
  height: 2px;
  background: var(--color-accent);
  margin: var(--space-6) 0;
}

.divider-centered { margin: var(--space-6) auto; }

/* ---- BREADCRUMB ---- */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
  flex-wrap: wrap;
}

.breadcrumb a {
  color: var(--color-text-muted);
  transition: color var(--transition-fast) var(--ease-out);
}

.breadcrumb a:hover { color: var(--color-accent); }
.breadcrumb-sep { color: var(--color-text-subtle); font-size: var(--text-xs); }

/* ---- UTILITIES ---- */
.text-accent  { color: var(--color-accent); }
.text-muted   { color: var(--color-text-muted); }
.text-on-dark { color: var(--color-text-on-dark); }

.mt-4  { margin-top: var(--space-4); }
.mt-6  { margin-top: var(--space-6); }
.mt-8  { margin-top: var(--space-8); }
.mt-12 { margin-top: var(--space-12); }

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

/* ---- SCROLL ANIMATIONS ---- */
/* Fluid entrances — staggered with rhythm, never mechanical */
.animate-enter {
  opacity: 0;
  transform: translateY(32px) scale(0.98);
  filter: blur(4px);
  transition:
    opacity var(--transition-enter) var(--ease-silk),
    transform var(--transition-enter) var(--ease-silk),
    filter var(--transition-enter) var(--ease-silk);
  will-change: opacity, transform, filter;
}

.animate-enter.is-visible {
  opacity: 1;
  transform: translateY(0) scale(1);
  filter: blur(0);
}

/* Rhythmic stagger — accelerates then slows, like a heartbeat */
.animate-enter:nth-child(2) { transition-delay: 60ms; }
.animate-enter:nth-child(3) { transition-delay: 130ms; }
.animate-enter:nth-child(4) { transition-delay: 210ms; }
.animate-enter:nth-child(5) { transition-delay: 300ms; }
.animate-enter:nth-child(6) { transition-delay: 380ms; }
.animate-enter:nth-child(7) { transition-delay: 450ms; }
.animate-enter:nth-child(8) { transition-delay: 510ms; }
.animate-enter:nth-child(9) { transition-delay: 560ms; }

/* Slide-up variant — for hero text, bigger movement */
.animate-rise {
  opacity: 0;
  transform: translateY(48px);
  transition:
    opacity var(--transition-hero) var(--ease-silk),
    transform var(--transition-hero) var(--ease-silk);
}

.animate-rise.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Scale-in variant — for images, cards */
.animate-scale {
  opacity: 0;
  transform: scale(0.92);
  transition:
    opacity var(--transition-fluid) var(--ease-silk),
    transform var(--transition-fluid) var(--ease-elastic);
}

.animate-scale.is-visible {
  opacity: 1;
  transform: scale(1);
}

/* Clip-reveal — text slides up from behind a mask */
.animate-clip {
  clip-path: inset(100% 0 0 0);
  transition: clip-path var(--transition-hero) var(--ease-silk);
}

.animate-clip.is-visible {
  clip-path: inset(0 0 0 0);
}

/* ---- REDUCED MOTION ---- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .animate-enter,
  .animate-rise,
  .animate-scale,
  .animate-clip {
    opacity: 1 !important;
    transform: none !important;
    filter: none !important;
    clip-path: none !important;
  }
  body { opacity: 1 !important; }
}