/* Poltrona Frau LookBook PH — Preset A styles */
/* Design tokens, layout, components, accessibility, responsive */

:root {
  --pf-cream: #F2EEE9;
  --pf-orange: #C84A1B;
  --pf-text: #3B2A22;
  --pf-warm-gray: #E8E2D8;
  --pf-line: #D9D1C7;
  --pf-bg-deep: #EDE7DF;
  --radius-s: 6px;
  --radius-m: 10px;
  --shadow-1: 0 1px 2px rgba(0,0,0,.06), 0 4px 14px rgba(0,0,0,.07);
  --shadow-2: 0 6px 24px rgba(0,0,0,.10), 0 2px 8px rgba(0,0,0,.06);
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --space-8: 64px;
  --container: 1160px;
  --rail-w: 72px;
  --header-h: 72px;
  --z-rails: 100;
  --z-header: 200;
  --z-drawer: 400;
  --z-scrim: 350;
  --transition-fast: 140ms cubic-bezier(.2,.8,.2,1);
  --transition-slow: 300ms cubic-bezier(.2,.8,.2,1);
}

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

html { scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation: none !important; transition: none !important; }
}

body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, 'Apple Color Emoji', 'Segoe UI Emoji';
  color: var(--pf-text);
  background: var(--pf-cream);
  line-height: 1.6;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4 {
  font-family: 'DM Serif Display', Georgia, 'Times New Roman', serif;
  line-height: 1.15;
  margin: 0 0 var(--space-5);
  color: var(--pf-text);
}

p { margin: 0 0 var(--space-5); }

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

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

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

.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;
}

.skip-link {
  position: absolute;
  left: 8px; top: -40px;
  background: #fff;
  color: var(--pf-text);
  padding: 10px 14px;
  border-radius: var(--radius-s);
  box-shadow: var(--shadow-1);
  transition: top var(--transition-fast);
  z-index: 9999;
}
.skip-link:focus { top: 8px; }

:focus-visible {
  outline: 2px solid var(--pf-orange);
  outline-offset: 2px;
}

/* Rails */
.rail {
  position: fixed;
  top: 0; bottom: 0;
  width: var(--rail-w);
  background: rgba(255,255,255,.6);
  backdrop-filter: blur(6px);
  border-right: 1px solid var(--pf-line);
  z-index: var(--z-rails);
  display: grid;
  place-items: center;
}
.rail-left { left: 0; }
.rail-right {
  right: 0;
  border-right: none;
  border-left: 1px solid var(--pf-line);
}

.rail-inner {
  transform: rotate(-90deg);
  display: grid;
  gap: 32px;
  align-items: center;
}

.brand-rotated {
  text-align: center;
  font-family: 'DM Serif Display', Georgia, serif;
  color: var(--pf-text);
  letter-spacing: .4px;
}
.brand-rotated .brand-mark { font-size: 20px; display: block; }
.brand-rotated .brand-sub {
  font-family: 'Inter', sans-serif;
  font-size: 12px; opacity: .8;
}

.cta-rotated {
  position: absolute;
  left: 50%;
  transform: translateX(-50%) rotate(90deg);
  white-space: nowrap;
  color: var(--pf-text);
  font-weight: 600;
  letter-spacing: .2px;
}

.rail-social, .rail-lang {
  transform: rotate(-90deg);
}
.rail-social ul {
  display: flex; gap: 14px; padding: 0; margin: 0; list-style: none;
}
.rail-social a { font-size: 12px; opacity: .8; }
.rail-lang { font-size: 12px; }
.rail-lang .divider { margin: 0 6px; opacity: .6; }
.rail-lang a.active { font-weight: 600; }

/* Header */
.site-header {
  position: fixed;
  top: 0; left: var(--rail-w); right: var(--rail-w);
  height: var(--header-h);
  display: grid; align-items: center;
  background: linear-gradient(180deg, rgba(242,238,233,0.85), rgba(242,238,233,0));
  z-index: var(--z-header);
}
.site-header .container {
  /* Make header container span full header width so hamburger hugs the edge */
  width: calc(100% - 2rem);
  margin-inline: auto;
  display: flex; align-items: center; justify-content: space-between;
}
.site-logo {
  display: block; width: 160px; height: 32px; background:
    linear-gradient(90deg, var(--pf-orange), #b63f12);
  -webkit-mask: linear-gradient(#000,#000);
  mask: linear-gradient(#000,#000);
  border-radius: 2px; opacity: .9;
}

.hamburger {
  width: 44px; height: 44px;
  border: 1px solid var(--pf-line);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.8);
  display: grid; place-items: center;
  cursor: pointer;
  box-shadow: var(--shadow-1);
  transition: box-shadow var(--transition-fast);
}
.hamburger:hover {
  box-shadow: var(--shadow-2);
}
.hamburger .bar {
  width: 20px; height: 1.5px; background: var(--pf-text);
  display: block;
  border-radius: 1px;
  margin: 3px 0;
  transition: all var(--transition-fast) ease;
  transform-origin: center;
}

.hamburger-right {
  position: absolute;
  top: 50%;
  right: 0;
  transform: translateY(-50%);
  margin-right: 1rem;
}

/* Drawer */
.drawer {
  position: fixed; inset: 0;
  pointer-events: none;
  z-index: var(--z-drawer);
}
.drawer.is-open { pointer-events: auto; }
.drawer-scrim {
  position: absolute; inset: 0;
  background: rgba(0,0,0,.28);
  opacity: 0; transition: opacity var(--transition-slow);
  z-index: var(--z-scrim);
}
.drawer.is-open .drawer-scrim { opacity: 1; }

.drawer-panel {
  position: absolute; top: 0; right: 0; height: 100%;
  width: min(90vw, 380px);
  background: #F7F3EE;
  border-left: 1px solid var(--pf-line);
  box-shadow: var(--shadow-2);
  transform: translateX(100%);
  transition: transform var(--transition-slow);
  z-index: var(--z-drawer);
  padding: var(--space-7) var(--space-6);
}
.drawer.is-open .drawer-panel { transform: translateX(0); }
.drawer-close {
  position: absolute; top: 14px; right: 14px;
  background: none; border: none; font-size: 20px; cursor: pointer;
}
.drawer-title {
  margin: 0 0 var(--space-6);
  font-size: 20px; letter-spacing: .6px;
}
.drawer-nav ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 18px; }
.drawer-nav a { color: var(--pf-text); font-weight: 500; }

/* Main + sections */
.site-main { padding-top: calc(var(--header-h) + var(--space-6)); }
.section { padding: var(--space-8) 0; }
.section.alt { background: var(--pf-warm-gray); }
.section-title {
  font-size: clamp(28px, 3.6vw, 40px);
  margin-bottom: var(--space-6);
}

/* Hero */
.hero {
  position: relative;
  min-height: calc(100vh - var(--header-h));
  display: grid; align-items: center;
  background: linear-gradient(125deg, var(--pf-cream) 0%, var(--pf-bg-deep) 100%);
  overflow: hidden;
}
.hero-content {
  max-width: 780px;
  padding-right: var(--space-8);
}
.hero-title {
  font-size: clamp(44px, 7.5vw, 96px);
  letter-spacing: 0;
}
.hero-sub { font-size: clamp(16px, 2.2vw, 20px); max-width: 56ch; opacity: .9; }

/* Hero logos */
.hero-logos {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  flex-wrap: nowrap; /* keep side-by-side on larger screens */
  margin: var(--space-5) 0 var(--space-3);
}
.hero-logos img {
  height: 64px;
  width: auto;
}

/* Stack logos on mobile */
@media (max-width: 575px) {
  .hero-logos {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-3);
  }
  .hero-logos img {
    height: 52px;
  }
}
.hero-ctas { display: flex; gap: var(--space-4); margin-top: var(--space-5); flex-wrap: wrap; }

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 12px 18px; border-radius: 4px; border: 1px solid transparent;
  font-weight: 600; letter-spacing: .2px;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
  cursor: pointer;
}
.btn:active { transform: translateY(1px); }
.btn-primary {
  background: var(--pf-orange); color: #fff; box-shadow: var(--shadow-1);
}
.btn-primary:hover { filter: brightness(0.98); }
.btn-ghost {
  background: #fff; color: var(--pf-text); border-color: var(--pf-line);
}

.hero-art {
  position: absolute; inset: -10% -20% auto auto; height: 120%;
  background:
    radial-gradient(60% 60% at 60% 40%, rgba(200,74,27,.15) 0%, transparent 60%),
    conic-gradient(from 0deg at 50% 50%, #fff0, #fff0 50%, rgba(0,0,0,.05) 51%, #fff0 100%);
  pointer-events: none;
  opacity: .9;
  mix-blend-mode: multiply;
}

.benefits { display: grid; gap: 10px; padding-left: 18px; }
.timeline { display: grid; gap: 8px; padding-left: 18px; }

.gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}
.gallery .ph {
  aspect-ratio: 4 / 3;
  background:
    linear-gradient(180deg, #fff, #f6f0ea);
  border: 1px solid var(--pf-line);
  border-radius: var(--radius-s);
  box-shadow: var(--shadow-1);
}

.site-footer {
  border-top: 1px solid var(--pf-line);
  padding: var(--space-6) 0;
  background: #fff9;
  backdrop-filter: blur(6px);
}

/* Responsive */
@media (max-width: 1199px) {
  :root { --rail-w: 60px; }
}
@media (max-width: 991px) {
  :root { --rail-w: 0px; }
  .site-header { left: 0; right: 0; }
  .rail { display: none; }
  .hero-content { padding-right: 0; }
  .gallery { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 575px) {
  .gallery { grid-template-columns: 1fr; }
}

/* Utilities */
.visually-hidden { position: absolute !important; clip: rect(1px,1px,1px,1px); padding:0 !important; border:0 !important; height:1px !important; width:1px !important; overflow:hidden; }

/* Notes for handoff:
  - Change brand colors in :root.
  - Connect registration by wiring hero CTA to your route.
  - Replace hero-art with branded asset if desired. 
*/