/* ============================================================
   Monocle — Modern elevation layer (Warby Parker / Ace & Tate)
   Additive only — loaded after styles.css and home-b.css
   ============================================================ */

/* -------------------------------------------------------------
   1. Fluid design tokens
   ------------------------------------------------------------- */
:root {
  /* Fluid type scale (clamp(min, fluid, max)) */
  --fs-xs:    clamp(0.72rem, 0.68rem + 0.18vw, 0.82rem);
  --fs-sm:    clamp(0.86rem, 0.82rem + 0.2vw, 0.96rem);
  --fs-base:  clamp(1rem,    0.95rem + 0.25vw, 1.12rem);
  --fs-lg:    clamp(1.18rem, 1.1rem + 0.4vw,   1.4rem);
  --fs-xl:    clamp(1.5rem,  1.3rem + 1vw,     2.1rem);
  --fs-2xl:   clamp(2rem,    1.6rem + 2vw,     3.2rem);
  --fs-3xl:   clamp(2.6rem,  2rem + 3vw,       4.6rem);
  --fs-hero:  clamp(2.8rem,  2rem + 4.5vw,     5.6rem);

  /* Fluid spacing */
  --sp-1:  clamp(0.4rem, 0.35rem + 0.15vw, 0.6rem);
  --sp-2:  clamp(0.7rem, 0.6rem + 0.3vw,   1rem);
  --sp-3:  clamp(1rem,   0.85rem + 0.5vw,  1.5rem);
  --sp-4:  clamp(1.5rem, 1.2rem + 1vw,     2.4rem);
  --sp-5:  clamp(2rem,   1.5rem + 2vw,     4rem);
  --sp-6:  clamp(3rem,   2.2rem + 3vw,     6rem);
  --sp-7:  clamp(4rem,   3rem + 4vw,       8rem);

  /* Refined radii */
  --r-sm: 8px;
  --r-md: 14px;
  --r-lg: 22px;
  --r-xl: 32px;
  --r-pill: 999px;

  /* Refined elevation */
  --shadow-1: 0 1px 2px rgba(20, 21, 24, 0.04), 0 1px 1px rgba(20, 21, 24, 0.03);
  --shadow-2: 0 6px 18px rgba(20, 21, 24, 0.06), 0 2px 6px rgba(20, 21, 24, 0.04);
  --shadow-3: 0 22px 50px rgba(20, 21, 24, 0.1),  0 8px 20px rgba(20, 21, 24, 0.06);

  /* Motion */
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --dur-fast: 180ms;
  --dur-base: 320ms;
  --dur-slow: 520ms;
}

/* -------------------------------------------------------------
   2. Global polish
   ------------------------------------------------------------- */
html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  font-feature-settings: "kern" 1, "liga" 1, "calt" 1, "ss01" 1;
  font-optical-sizing: auto;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.55;
}

::selection {
  background: var(--text);
  color: var(--bg);
}

/* Focus visible (accessibility) */
:focus-visible {
  outline: 2px solid var(--text);
  outline-offset: 3px;
  border-radius: 4px;
}
button:focus:not(:focus-visible),
a:focus:not(:focus-visible) {
  outline: none;
}

/* -------------------------------------------------------------
   3. Typography elevation
   ------------------------------------------------------------- */
h1, h2, h3, h4 {
  font-feature-settings: "kern" 1, "liga" 1, "dlig" 1;
  letter-spacing: -0.01em;
  line-height: 1.08;
  text-wrap: balance;
}

p {
  text-wrap: pretty;
  max-width: 68ch;
}

/* Section kickers — editorial small caps */
.section-kicker,
.eyebrow,
[class*="kicker"] {
  font-family: "Source Sans 3", sans-serif !important;
  font-size: var(--fs-xs) !important;
  letter-spacing: 0.18em !important;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--muted);
  font-feature-settings: "smcp" 1, "c2sc" 1;
}

/* Refined display headings */
.section-heading h2,
.hero-title,
.hero h1,
.section-title {
  font-family: "Cormorant Garamond", "Marcellus", serif !important;
  font-weight: 500;
  letter-spacing: -0.015em;
  line-height: 1.05;
}

/* -------------------------------------------------------------
   4. Hero — bigger breath, refined CTA
   ------------------------------------------------------------- */
.hero,
.hero-video-shell {
  position: relative;
}

.hero-video-overlay {
  padding: var(--sp-6) var(--sp-4) !important;
}

.hero-video-overlay h1,
.hero-title {
  font-size: var(--fs-hero) !important;
  font-weight: 400;
  letter-spacing: -0.02em;
  line-height: 1.02;
  margin-bottom: var(--sp-3);
}

.hero-actions {
  gap: var(--sp-2);
  margin-top: var(--sp-4);
}

/* Hero entrance */
@keyframes monocle-fade-up {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: none; }
}

.hero-video-overlay > * {
  animation: monocle-fade-up var(--dur-slow) var(--ease-out) both;
}
.hero-video-overlay > *:nth-child(1) { animation-delay: 100ms; }
.hero-video-overlay > *:nth-child(2) { animation-delay: 220ms; }
.hero-video-overlay > *:nth-child(3) { animation-delay: 340ms; }
.hero-video-overlay > *:nth-child(4) { animation-delay: 460ms; }

/* -------------------------------------------------------------
   5. Buttons — refined CTA
   ------------------------------------------------------------- */
.header-cta,
.cta-primary,
.btn-primary,
.hero-actions a,
.hero-actions button,
button.cta-primary {
  border-radius: var(--r-pill);
  padding: 0.95em 1.7em;
  font-weight: 600;
  letter-spacing: 0.02em;
  font-size: var(--fs-sm);
  transition:
    transform var(--dur-fast) var(--ease-out),
    box-shadow var(--dur-fast) var(--ease-out),
    background var(--dur-fast) var(--ease-out);
  will-change: transform;
}

.header-cta:hover,
.cta-primary:hover,
.btn-primary:hover,
.hero-actions a:hover,
.hero-actions button:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-2);
}

.header-cta:active,
.cta-primary:active,
.btn-primary:active {
  transform: translateY(0);
  box-shadow: var(--shadow-1);
}

/* -------------------------------------------------------------
   6. Header polish
   ------------------------------------------------------------- */
.site-header {
  padding-top: var(--sp-2);
  padding-bottom: var(--sp-2);
}

.collection-nav a {
  position: relative;
  font-weight: 500;
  letter-spacing: 0.01em;
  transition: color var(--dur-fast) var(--ease-out);
}

.collection-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 100%;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: right center;
  transition: transform var(--dur-base) var(--ease-out);
}

.collection-nav a:hover::after,
.collection-nav a.is-active::after {
  transform: scaleX(1);
  transform-origin: left center;
}

/* -------------------------------------------------------------
   7. Section spacing + heading rhythm
   ------------------------------------------------------------- */
main > section,
section.section {
  padding-top: var(--sp-6);
  padding-bottom: var(--sp-6);
}

.section-heading {
  margin-bottom: var(--sp-5);
}

.section-heading p,
.section-heading .section-lead {
  font-size: var(--fs-lg);
  color: var(--muted);
  line-height: 1.45;
}

/* -------------------------------------------------------------
   8. Product cards — elevated
   ------------------------------------------------------------- */
.product-card {
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--card, #fff);
  box-shadow: var(--shadow-1);
  transition:
    transform var(--dur-base) var(--ease-out),
    box-shadow var(--dur-base) var(--ease-out);
  will-change: transform;
}

.product-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-3);
}

.product-card img,
.product-card .product-image,
.product-card picture > img {
  transition: transform 600ms var(--ease-out);
  will-change: transform;
}

.product-card:hover img,
.product-card:hover picture > img {
  transform: scale(1.04);
}

.product-card .product-info,
.product-card .product-body {
  padding: var(--sp-3);
}

.product-card .product-title,
.product-card h3 {
  font-weight: 500;
  letter-spacing: -0.005em;
}

.product-card .product-price {
  font-feature-settings: "tnum" 1;
  letter-spacing: 0.01em;
}

/* -------------------------------------------------------------
   9. Tile / category cards (home "Explorer rapidement")
   ------------------------------------------------------------- */
.tile,
.category-tile,
.universe-tile {
  border-radius: var(--r-lg);
  overflow: hidden;
  position: relative;
  isolation: isolate;
  transition: transform var(--dur-base) var(--ease-out);
}

.tile:hover,
.category-tile:hover,
.universe-tile:hover {
  transform: translateY(-3px);
}

.tile img,
.category-tile img,
.universe-tile img {
  transition: transform 700ms var(--ease-out);
}

.tile:hover img,
.category-tile:hover img,
.universe-tile:hover img {
  transform: scale(1.05);
}

/* -------------------------------------------------------------
   10. Images — global polish
   ------------------------------------------------------------- */
img {
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: inherit;
}

picture > img {
  border-radius: inherit;
}

/* -------------------------------------------------------------
   11. Footer refinement
   ------------------------------------------------------------- */
footer,
.site-footer {
  padding-top: var(--sp-7);
  padding-bottom: var(--sp-5);
  border-top: 1px solid var(--line);
  background: var(--surface);
}

footer a,
.site-footer a {
  color: var(--text);
  text-decoration: none;
  position: relative;
  transition: opacity var(--dur-fast) var(--ease-out);
}

footer a:hover,
.site-footer a:hover {
  opacity: 0.65;
}

/* -------------------------------------------------------------
   12. Scroll-revealed sections (CSS only via animation-timeline)
   Progressive enhancement — only browsers that support it.
   ------------------------------------------------------------- */
@supports (animation-timeline: view()) {
  main > section,
  section.section {
    animation: monocle-fade-up var(--dur-slow) var(--ease-out) both;
    animation-timeline: view();
    animation-range: entry 0% entry 35%;
  }
}

/* -------------------------------------------------------------
   13. Forms — refined inputs
   ------------------------------------------------------------- */
input[type="text"],
input[type="email"],
input[type="tel"],
input[type="search"],
input[type="number"],
textarea,
select {
  border-radius: var(--r-md);
  border: 1px solid var(--line);
  padding: 0.85em 1em;
  font-size: var(--fs-sm);
  font-family: inherit;
  background: var(--surface, #fff);
  transition: border-color var(--dur-fast) var(--ease-out), box-shadow var(--dur-fast) var(--ease-out);
}

input:focus,
textarea:focus,
select:focus {
  border-color: var(--text);
  box-shadow: 0 0 0 4px rgba(20, 21, 24, 0.06);
  outline: none;
}

/* -------------------------------------------------------------
   14. Mobile refinement
   ------------------------------------------------------------- */
@media (max-width: 720px) {
  .hero-video-overlay {
    padding: var(--sp-5) var(--sp-3) !important;
  }
  .product-card:hover {
    transform: none;
  }
  main > section,
  section.section {
    padding-top: var(--sp-5);
    padding-bottom: var(--sp-5);
  }
}

/* -------------------------------------------------------------
   15. Print
   ------------------------------------------------------------- */
@media print {
  .site-header,
  .topbar,
  .header-cta,
  .chat-widget,
  footer { display: none !important; }
}