/* ==========================================================================
   JAFAN (جفن) — Core Stylesheet
   Luxury sleep-ritual brand. Minimal, editorial, quiet.
   ========================================================================== */

/* ---- Font faces (self-hosted placeholders — swap src with real files) --- */
@font-face {
  font-family: 'IBM Plex Sans Arabic';
  src: local('IBM Plex Sans Arabic');
  font-weight: 300 700;
  font-display: swap;
}

/* ---- Design tokens --------------------------------------------------- */
:root {
  /* Color */
  --c-primary: #FBF8F4;
  --c-secondary: #F3EEE7;
  --c-bg: #FFFFFF;
  --c-text: #1B1B1B;
  --c-muted: #777777;
  --c-gold: #B5965C;
  --c-gold-soft: #D8C7A6;
  --c-border: #ECE7E1;
  --c-overlay: rgba(27, 27, 27, 0.55);

  /* Type */
  --f-ar: 'IBM Plex Sans Arabic', 'DIN Next Arabic', sans-serif;
  --f-en: 'Cormorant Garamond', serif;

  /* Type scale */
  --fs-000: 0.75rem;
  --fs-00: 0.875rem;
  --fs-0: 1rem;
  --fs-1: 1.25rem;
  --fs-2: 1.75rem;
  --fs-3: 2.5rem;
  --fs-4: 3.5rem;
  --fs-5: 5rem;

  /* Spacing (generous, luxury breathing room) */
  --sp-1: 0.5rem;
  --sp-2: 1rem;
  --sp-3: 1.5rem;
  --sp-4: 2.5rem;
  --sp-5: 4rem;
  --sp-6: 6rem;
  --sp-7: 9rem;
  --sp-8: 13rem;

  /* Motion */
  --ease-silk: cubic-bezier(0.22, 1, 0.36, 1);
  --dur-slow: 1.1s;
  --dur-med: 0.6s;
  --dur-fast: 0.3s;

  /* Layout */
  --container: 1240px;
  --container-narrow: 860px;
  --header-h: 92px;
}

/* ---- Reset ------------------------------------------------------------ */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@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;
    scroll-behavior: auto !important;
  }
}

body, h1, h2, h3, h4, p, figure, blockquote, ul, ol, dl, dd {
  margin: 0;
}

html, body {
  height: 100%;
}

body {
  direction: rtl;
  font-family: var(--f-ar);
  background: var(--c-bg);
  color: var(--c-text);
  font-size: var(--fs-0);
  line-height: 1.75;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img, picture, video, canvas, svg { display: block; max-width: 100%; }
input, button, textarea, select { font: inherit; color: inherit; }
button { cursor: pointer; background: none; border: none; }
a { color: inherit; text-decoration: none; }
ul[class], ol[class] { list-style: none; padding: 0; }

:focus-visible {
  outline: 2px solid var(--c-gold);
  outline-offset: 3px;
}

.eng {
  font-family: var(--f-en);
  direction: ltr;
  display: inline-block;
}

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--sp-4);
}

.container--narrow {
  max-width: var(--container-narrow);
}

.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;
  right: -999px;
  top: 0;
  background: var(--c-gold);
  color: #fff;
  padding: 0.75rem 1.5rem;
  z-index: 999;
}
.skip-link:focus { right: 1rem; top: 1rem; }

/* ---- Typography -------------------------------------------------------- */
h1, h2, h3, h4 {
  font-weight: 500;
  letter-spacing: 0.01em;
  line-height: 1.25;
}

.display-1 {
  font-size: clamp(2.4rem, 5vw, var(--fs-5));
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: 0.005em;
}

.display-2 {
  font-size: clamp(2rem, 4vw, var(--fs-4));
  font-weight: 400;
  line-height: 1.2;
}

.h-section {
  font-size: clamp(1.6rem, 3vw, var(--fs-3));
  font-weight: 400;
}

.eyebrow {
  font-family: var(--f-en);
  direction: ltr;
  font-size: var(--fs-00);
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--c-gold);
  display: inline-block;
  margin-bottom: var(--sp-2);
}

.lede {
  font-size: clamp(1.05rem, 1.4vw, 1.25rem);
  color: var(--c-muted);
  font-weight: 300;
  max-width: 46ch;
}

.text-muted { color: var(--c-muted); }
.text-center { text-align: center; }

/* ---- Buttons ------------------------------------------------------------ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 1.05rem 2.6rem;
  font-size: var(--fs-00);
  letter-spacing: 0.06em;
  border: 1px solid var(--c-text);
  border-radius: 2px;
  transition: background var(--dur-fast) var(--ease-silk),
              color var(--dur-fast) var(--ease-silk),
              border-color var(--dur-fast) var(--ease-silk),
              transform var(--dur-fast) var(--ease-silk);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--c-text);
  color: var(--c-primary);
}
.btn-primary:hover { background: var(--c-gold); border-color: var(--c-gold); transform: translateY(-1px); }

.btn-ghost {
  background: transparent;
  border-color: rgba(255,255,255,0.7);
  color: #fff;
}
.btn-ghost:hover { background: rgba(255,255,255,0.12); border-color: #fff; }

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

.btn-gold {
  background: var(--c-gold);
  border-color: var(--c-gold);
  color: #fff;
}
.btn-gold:hover { background: #9d8049; border-color: #9d8049; }

.btn-block { width: 100%; }
.btn-lg { padding: 1.3rem 3rem; font-size: var(--fs-0); }

/* shimmer sweep — signature micro interaction on primary CTAs */
.btn-primary::after,
.btn-gold::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(115deg, transparent 40%, rgba(255,255,255,0.35) 50%, transparent 60%);
  transform: translateX(-120%);
}
.btn-primary:hover::after,
.btn-gold:hover::after {
  animation: shimmer 1s var(--ease-silk);
}
@keyframes shimmer {
  to { transform: translateX(120%); }
}

/* ---- Header -------------------------------------------------------------- */
.site-header {
  position: fixed;
  top: 0; right: 0; left: 0;
  z-index: 500;
  height: var(--header-h);
  display: flex;
  align-items: center;
  background: transparent;
  transition: background var(--dur-med) var(--ease-silk),
              box-shadow var(--dur-med) var(--ease-silk),
              transform var(--dur-med) var(--ease-silk);
}
.site-header.is-scrolled {
  background: rgba(255,255,255,0.9);
  backdrop-filter: saturate(180%) blur(14px);
  box-shadow: 0 1px 0 var(--c-border);
}
.site-header.header--dark { color: #fff; }
.site-header.header--dark.is-scrolled { color: var(--c-text); }
.site-header.is-hidden { transform: translateY(-100%); }

.header-grid {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--sp-4);
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: var(--sp-3);
}

.header-nav {
  display: flex;
  gap: var(--sp-4);
  font-size: var(--fs-00);
  letter-spacing: 0.02em;
}
.header-nav a {
  position: relative;
  padding-bottom: 4px;
}
.header-nav a::after {
  content: "";
  position: absolute;
  right: 0; bottom: 0;
  width: 0; height: 1px;
  background: currentColor;
  transition: width var(--dur-med) var(--ease-silk);
}
.header-nav a:hover::after,
.header-nav a[aria-current="page"]::after { width: 100%; }

.header-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--sp-3);
}
.header-actions button {
  display: flex; align-items: center; gap: 0.4rem;
  font-size: var(--fs-00);
}

.logo {
  text-align: center;
  font-family: var(--f-en);
  font-size: 1.6rem;
  letter-spacing: 0.28em;
  direction: ltr;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 26px;
}
.nav-toggle span {
  height: 1px;
  background: currentColor;
  width: 100%;
  transition: transform var(--dur-fast) var(--ease-silk), opacity var(--dur-fast);
}

.mobile-nav {
  position: fixed;
  inset: 0;
  background: var(--c-primary);
  z-index: 600;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--sp-4);
  transform: translateY(-100%);
  transition: transform var(--dur-med) var(--ease-silk);
}
.mobile-nav.is-open { transform: translateY(0); }
.mobile-nav a { font-size: var(--fs-2); font-family: var(--f-en); direction: ltr; }
.mobile-nav .close-nav {
  position: absolute;
  top: var(--sp-3); left: var(--sp-3);
  font-size: 1.6rem;
}

/* ---- Footer -------------------------------------------------------------- */
.site-footer {
  background: var(--c-secondary);
  padding-block: var(--sp-6) var(--sp-3);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr 1fr;
  gap: var(--sp-4);
  padding-bottom: var(--sp-5);
  border-bottom: 1px solid var(--c-border);
}
.footer-brand .logo { text-align: right; margin-bottom: var(--sp-2); }
.footer-brand p { color: var(--c-muted); max-width: 34ch; }
.footer-col h4 {
  font-size: var(--fs-00);
  letter-spacing: 0.08em;
  margin-bottom: var(--sp-3);
  color: var(--c-muted);
}
.footer-col ul { display: flex; flex-direction: column; gap: 0.8rem; }
.footer-col a:hover { color: var(--c-gold); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--sp-3);
  font-size: var(--fs-000);
  color: var(--c-muted);
}
.footer-social { display: flex; gap: var(--sp-2); }

/* ---- Section spacing utility --------------------------------------------- */
.section { padding-block: var(--sp-7); }
.section--tight { padding-block: var(--sp-6); }
.section--soft { background: var(--c-primary); }
.section--secondary { background: var(--c-secondary); }
.section--dark { background: var(--c-text); color: #fff; }
.section-head { max-width: 640px; margin-bottom: var(--sp-5); }
.section-head.center { margin-inline: auto; text-align: center; }

/* ---- Hero ------------------------------------------------------------- */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  align-items: flex-end;
  color: #fff;
  overflow: hidden;
}
.hero-media {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-media img {
  width: 100%; height: 100%;
  object-fit: cover;
  transform: scale(1.08);
  animation: heroZoom 8s var(--ease-silk) forwards;
}
@keyframes heroZoom { to { transform: scale(1); } }
.hero-media::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0.15) 0%, rgba(0,0,0,0.15) 40%, rgba(0,0,0,0.55) 100%);
}
.hero-content {
  position: relative;
  z-index: 2;
  width: 100%;
  padding-inline: var(--sp-4);
  padding-bottom: var(--sp-6);
  max-width: var(--container);
  margin-inline: auto;
}
.hero-content .eyebrow { color: var(--c-gold-soft); }
.hero-content h1 { max-width: 16ch; }
.hero-content .lede { color: rgba(255,255,255,0.85); margin-block: var(--sp-3) var(--sp-4); }
.hero-scroll-cue {
  position: absolute;
  bottom: var(--sp-3);
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--fs-000);
  letter-spacing: 0.2em;
  color: rgba(255,255,255,0.8);
}
.hero-scroll-cue .line {
  width: 1px; height: 34px;
  background: rgba(255,255,255,0.6);
  overflow: hidden;
  position: relative;
}
.hero-scroll-cue .line::after {
  content: "";
  position: absolute;
  top: -100%; right: 0; left: 0;
  height: 100%;
  background: #fff;
  animation: cueDrop 2.2s ease-in-out infinite;
}
@keyframes cueDrop {
  0% { top: -100%; }
  60% { top: 100%; }
  100% { top: 100%; }
}

/* ---- Reveal-on-scroll ----------------------------------------------------- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 1s var(--ease-silk), transform 1s var(--ease-silk);
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-stagger.is-visible > * { transition-delay: calc(var(--i, 0) * 0.1s); }

/* ---- Why cards ----------------------------------------------------------- */
.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--c-border);
  border: 1px solid var(--c-border);
}
.why-card {
  background: var(--c-bg);
  padding: var(--sp-5) var(--sp-3);
  text-align: center;
}
.why-card .icon {
  width: 44px; height: 44px;
  margin-inline: auto var(--sp-3);
  margin-bottom: var(--sp-3);
  color: var(--c-gold);
}
.why-card h3 { font-size: var(--fs-1); margin-bottom: var(--sp-1); }
.why-card p { color: var(--c-muted); font-size: var(--fs-00); }

/* ---- Storytelling split --------------------------------------------------- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: var(--sp-5);
}
.split img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 4/5; }
.split .copy { max-width: 46ch; }
.split.reverse .copy { order: 2; }
.split .drop-cap {
  font-family: var(--f-en);
  font-size: 3.2rem;
  color: var(--c-gold);
  line-height: 0.6;
  display: inline-block;
  margin-inline-start: -0.1em;
}

/* ---- Benefits list --------------------------------------------------------- */
.benefits {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-4);
}
.benefit {
  display: flex;
  gap: var(--sp-3);
  align-items: flex-start;
  padding: var(--sp-4);
  border: 1px solid var(--c-border);
  transition: border-color var(--dur-med) var(--ease-silk), box-shadow var(--dur-med) var(--ease-silk);
}
.benefit:hover { border-color: var(--c-gold); box-shadow: 0 12px 32px -18px rgba(181,150,92,0.4); }
.benefit .num {
  font-family: var(--f-en);
  color: var(--c-gold);
  font-size: var(--fs-1);
}
.benefit h4 { margin-bottom: 0.4rem; }
.benefit p { color: var(--c-muted); font-size: var(--fs-00); }

/* ---- Video section -------------------------------------------------------- */
.video-block {
  position: relative;
  aspect-ratio: 21/9;
  overflow: hidden;
}
.video-block video, .video-block img {
  width: 100%; height: 100%; object-fit: cover;
}
.video-block figcaption {
  position: absolute;
  bottom: var(--sp-3); right: var(--sp-4);
  color: #fff;
  font-size: var(--fs-00);
  letter-spacing: 0.06em;
  z-index: 2;
}
.video-block::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(0deg, rgba(0,0,0,0.4), transparent 40%);
}

/* ---- Product teaser on homepage ------------------------------------------- */
.product-teaser {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--sp-6);
  align-items: center;
}
.product-teaser .gallery { position: relative; aspect-ratio: 1/1; }
.product-teaser .gallery img { width: 100%; height: 100%; object-fit: cover; }
.product-teaser .price { font-family: var(--f-en); font-size: var(--fs-3); color: var(--c-gold); margin-block: var(--sp-2) var(--sp-3); }
.feature-list { display: flex; flex-direction: column; gap: 0.9rem; margin-block: var(--sp-4); }
.feature-list li { display: flex; gap: 0.7rem; align-items: flex-start; font-size: var(--fs-00); color: var(--c-muted); }
.feature-list svg { flex-shrink: 0; color: var(--c-gold); margin-top: 3px; }

/* ---- Reviews --------------------------------------------------------------- */
.reviews-track {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-4);
}
.review-card {
  background: var(--c-primary);
  padding: var(--sp-4);
  border-top: 2px solid var(--c-gold);
}
.review-card .stars { color: var(--c-gold); letter-spacing: 0.2em; font-size: var(--fs-00); margin-bottom: var(--sp-2); }
.review-card p { font-size: var(--fs-00); margin-bottom: var(--sp-3); }
.review-card .who { font-size: var(--fs-000); color: var(--c-muted); letter-spacing: 0.04em; }

/* ---- FAQ accordion ---------------------------------------------------------- */
.faq-list { border-top: 1px solid var(--c-border); }
.faq-item { border-bottom: 1px solid var(--c-border); }
.faq-q {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--sp-3) 0;
  text-align: right;
  font-size: var(--fs-1);
}
.faq-q .plus {
  position: relative;
  width: 16px; height: 16px;
  flex-shrink: 0;
  margin-inline-start: var(--sp-3);
}
.faq-q .plus::before, .faq-q .plus::after {
  content: "";
  position: absolute;
  background: var(--c-text);
  transition: transform var(--dur-fast) var(--ease-silk), opacity var(--dur-fast);
}
.faq-q .plus::before { width: 100%; height: 1px; top: 50%; }
.faq-q .plus::after { height: 100%; width: 1px; right: 50%; }
.faq-item.is-open .plus::after { transform: rotate(90deg); opacity: 0; }
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--dur-med) var(--ease-silk);
}
.faq-a p { padding-bottom: var(--sp-3); color: var(--c-muted); max-width: 62ch; }

/* ---- Newsletter -------------------------------------------------------------- */
.newsletter {
  text-align: center;
}
.newsletter form {
  display: flex;
  justify-content: center;
  gap: 0.6rem;
  margin-top: var(--sp-4);
  max-width: 480px;
  margin-inline: auto;
}
.newsletter input[type="email"] {
  flex: 1;
  padding: 1rem 1.2rem;
  border: 1px solid var(--c-border);
  background: transparent;
}
.newsletter input[type="email"]:focus { border-color: var(--c-gold); }

/* ---- Breadcrumb ---------------------------------------------------------------- */
.breadcrumb {
  font-size: var(--fs-000);
  color: var(--c-muted);
  letter-spacing: 0.03em;
  padding-top: calc(var(--header-h) + var(--sp-3));
  padding-bottom: var(--sp-2);
}
.breadcrumb a:hover { color: var(--c-gold); }

/* ---- Page hero (inner pages) ---------------------------------------------------- */
.page-hero {
  padding-top: var(--sp-4);
  padding-bottom: var(--sp-5);
  text-align: center;
}
.page-hero .eyebrow { display: block; }

/* ---- Utility dividers ------------------------------------------------------------ */
.silk-divider {
  height: 60px;
  margin-inline: auto;
  opacity: 0.6;
}

/* ---- Icons ------------------------------------------------------------------------ */
.icon { width: 22px; height: 22px; stroke: currentColor; fill: none; stroke-width: 1.3; }