:root {
  /* Dark theme (default) */
  --bg: #0b1020;
  --surface: #0f152b;
  --text: #e9eefc;
  --muted: #b6c0e3;
  --primary: #7dd3fc; /* cyan-300 */
  --primary-strong: #0ea5e9; /* sky-500 */
  --accent: #a78bfa; /* violet-400 */
  --success: #34d399;
  --card: #11162f;
  --shadow: rgba(1, 5, 15, 0.4);
  --radius: 16px;
  --radius-sm: 12px;
  --radius-lg: 28px;
  --container: 1180px;
}

/* Theme slots updated per product */
:root[data-theme="calm"] {
  --primary: #7dd3fc;
  --primary-strong: #0ea5e9;
  --accent: #a78bfa;
}
:root[data-theme="renew"] {
  --primary: #86efac;
  --primary-strong: #10b981;
  --accent: #f59e0b;
}
:root[data-theme="radiance"] {
  --primary: #fda4af;
  --primary-strong: #fb7185;
  --accent: #f0abfc;
}

/* Light theme palette (Arabic provided tones) */
:root[data-mode="light"] {
  /* Colors: warm forest green, honey-gold/orange, off-white text, light beige background */
  --bg: #f4efe6; /* light beige background */
  --surface: #fffaf2; /* lighter card surface */
  --text: #1d2b1f; /* deep green-brown for readability */
  --muted: #5a6a5e; /* muted green-gray */
  --primary: #dba55b; /* soft honey-gold */
  --primary-strong: #e1932a; /* warmer honey/orange glow */
  --accent: #1e5a3b; /* warm forest green accent */
  --success: #2e7d4f; /* richer green */
  --card: #fff2e0; /* creamy card */
  --shadow: rgba(30, 40, 20, 0.18);
}

/* Dark mode explicit */
:root[data-mode="dark"] {
  /* keep defaults from :root */
}

* {
  box-sizing: border-box;
}
html,
body {
  height: 100%;
}
body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Helvetica,
    Arial, "Apple Color Emoji", "Segoe UI Emoji";
  background: radial-gradient(
      1200px 800px at 70% -10%,
      color-mix(in oklab, var(--primary) 8%, transparent),
      transparent 60%
    ),
    var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}
/* Snap one section per screen */
body {
  scroll-snap-type: y mandatory;
}

img {
  max-width: 100%;
  display: block;
}
a {
  color: inherit;
  text-decoration: none;
}

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.panel {
  /* subtle scale-in for each section when entering viewport */
  transform: scale(0.992);
  transition: transform 0.8s cubic-bezier(0.2, 0.8, 0.2, 1);
  min-height: 100svh; /* fill viewport to snap cleanly */
  scroll-snap-align: start;
  scroll-snap-stop: always;
}
.panel.in-view {
  transform: scale(1);
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: saturate(140%) blur(10px);
  background: linear-gradient(
    180deg,
    rgba(8, 12, 26, 0.8),
    rgba(8, 12, 26, 0.5),
    transparent
  );
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  letter-spacing: 0.3px;
}
.brand-logo {
  display: block;
  object-fit: contain;
  filter: drop-shadow(
    0 2px 8px color-mix(in oklab, var(--primary-strong) 30%, transparent)
  );
  border-radius: 6px;
}
.nav {
  display: flex;
  align-items: center;
  gap: 20px;
}
.nav a {
  color: var(--muted);
  transition: color 0.2s ease;
}
.nav a:hover {
  color: var(--text);
}
.theme-controls {
  display: inline-flex;
  gap: 6px;
}
.theme-controls .btn[aria-pressed="true"] {
  border-color: color-mix(in oklab, var(--primary-strong) 60%, transparent);
  color: var(--text);
}

/* Buttons */
.btn {
  --btn-bg: color-mix(in oklab, var(--primary-strong) 18%, transparent);
  --btn-brd: color-mix(in oklab, var(--primary-strong) 30%, transparent);
  --btn-fg: var(--text);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 18px;
  border: 1px solid var(--btn-brd);
  color: var(--btn-fg);
  background: linear-gradient(180deg, var(--btn-bg), transparent);
  border-radius: 999px;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.3s ease,
    border-color 0.3s ease;
  will-change: transform;
}
.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 30px -12px color-mix(in oklab, var(--primary-strong) 40%, transparent);
}
.btn:active {
  transform: translateY(0);
}
.btn.primary {
  background: linear-gradient(
    180deg,
    color-mix(in oklab, var(--primary-strong) 35%, transparent),
    transparent
  );
  border-color: color-mix(in oklab, var(--primary-strong) 50%, transparent);
}
.btn.secondary {
  background: linear-gradient(
    180deg,
    color-mix(in oklab, var(--accent) 20%, transparent),
    transparent
  );
  border-color: color-mix(in oklab, var(--accent) 40%, transparent);
}
.btn.ghost {
  background: transparent;
  border-color: color-mix(in oklab, var(--text) 14%, transparent);
  color: var(--muted);
}
/* radial hover spotlight driven by --mx/--my from JS */
.btn {
  position: relative;
}
.btn::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(
    180px 180px at var(--mx, -20px) var(--my, -20px),
    color-mix(in oklab, var(--primary-strong) 18%, transparent),
    transparent 60%
  );
  opacity: 0;
  transition: opacity 0.25s ease;
  pointer-events: none;
}
.btn:hover::before {
  opacity: 0.8;
}

/* Hero */
.hero {
  position: relative;
  padding: 120px 0 60px;
  overflow: clip;
}
.hero-inner {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  align-items: center;
  gap: 40px;
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: -1;
}
.hero-bg .gradient {
  position: absolute;
  inset: -20% -10%;
  background: radial-gradient(
      60% 50% at 65% 30%,
      color-mix(in oklab, var(--primary) 45%, transparent),
      transparent 70%
    ),
    radial-gradient(
      40% 30% at 35% 70%,
      color-mix(in oklab, var(--accent) 35%, transparent),
      transparent 70%
    );
  filter: blur(40px) saturate(120%);
  animation: hue 18s ease-in-out infinite alternate;
}
.hero .blob {
  position: absolute;
  width: 480px;
  height: 480px;
  border-radius: 50%;
  background: radial-gradient(
    80% 80% at 50% 50%,
    color-mix(in oklab, var(--primary) 28%, transparent),
    transparent 70%
  );
  filter: blur(60px);
  opacity: 0.5;
}
.hero .blob.b1 {
  top: -120px;
  left: -140px;
  animation: float 12s ease-in-out infinite;
}
.hero .blob.b2 {
  right: -120px;
  bottom: -160px;
  animation: float 14s ease-in-out infinite reverse;
}

.headline {
  font-family: "Playfair Display", Georgia, serif;
  font-weight: 700;
  font-size: clamp(36px, 6vw, 64px);
  line-height: 1.03;
  margin: 0 0 14px;
  letter-spacing: -0.5px;
}
.accent {
  color: var(--primary-strong);
  text-shadow: 0 6px 30px
    color-mix(in oklab, var(--primary-strong) 25%, transparent);
}
.tagline {
  color: var(--muted);
  font-size: clamp(16px, 2.2vw, 18px);
  margin: 0 0 24px;
  max-width: 56ch;
}
.actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.hero-product {
  perspective: 1200px;
}
.hero-product img {
  width: 100%;
  max-width: 560px;
  border-radius: var(--radius-lg);
  box-shadow: 0 40px 80px -40px var(--shadow);
  transform: rotateY(-8deg) rotateX(2deg);
  transform-origin: center right;
  transition: transform 0.8s cubic-bezier(0.2, 0.8, 0.2, 1),
    box-shadow 0.3s ease;
}
.hero-product img:hover {
  transform: rotateY(-2deg) rotateX(0deg) scale(1.02);
  box-shadow: 0 50px 110px -50px color-mix(in oklab, var(--primary-strong) 35%, transparent);
}

/* Word/line animation base (split by JS) */
[data-animate] .word,
[data-animate] .line {
  display: inline-block;
  transform: translateY(16px) rotateX(12deg);
  transform-origin: 50% 100%;
  opacity: 0;
  filter: blur(6px);
  transition: transform 0.7s cubic-bezier(0.2, 0.8, 0.2, 1), opacity 0.6s ease,
    filter 0.6s ease;
}
[data-animate].revealed .word,
[data-animate].revealed .line {
  transform: none;
  opacity: 1;
  filter: blur(0);
}

/* Hero badges carousel */
.hero-badges {
  margin-top: 18px;
  mask-image: linear-gradient(
    90deg,
    transparent,
    #000 12%,
    #000 88%,
    transparent
  );
  overflow: hidden;
}
.hero-badges .track {
  display: inline-flex;
  gap: 28px;
  align-items: center;
  animation: marquee 28s linear infinite;
  opacity: 0.8;
}
.hero-badges img {
  filter: grayscale(100%) opacity(0.8);
  height: 28px;
  width: auto;
}
@keyframes marquee {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(-50%);
  }
}

/* Products */
.section-head {
  text-align: center;
  padding: 18px 0 8px;
}
.section-head h2 {
  font-size: clamp(28px, 3.2vw, 40px);
  margin: 0 0 6px;
}
.section-head p {
  color: var(--muted);
  margin: 0;
}

.products {
  padding: 40px 0 80px;
  width: 95%;
  margin-left: auto;
  margin-right: auto;
}
.product-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 22px;
  align-items: stretch;
}

.card {
  grid-column: span 4;
  background: linear-gradient(
    180deg,
    color-mix(in oklab, #fff 2%, var(--card)),
    var(--card)
  );
  border: 1px solid color-mix(in oklab, var(--text) 8%, transparent);
  border-radius: var(--radius);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  position: relative;
  isolation: isolate;
  overflow: hidden;
  transform: translateY(16px) scale(0.98);
  opacity: 0;
  transition: transform 0.6s cubic-bezier(0.2, 0.8, 0.2, 1), opacity 0.6s ease,
    border-color 0.25s ease;
}
.card::after {
  content: "";
  position: absolute;
  inset: -30% -10%;
  background: radial-gradient(
    40% 40% at 0% 0%,
    color-mix(in oklab, var(--primary) 25%, transparent),
    transparent 60%
  );
  filter: blur(40px);
  opacity: 0;
  transition: opacity 0.4s ease;
  z-index: -1;
}
.card .media {
  position: relative;
  border-radius: calc(var(--radius) - 6px);
  overflow: hidden;
}
.card img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  display: block;
}
.card .slides {
  position: absolute;
  inset: 0;
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: 100%;
  transition: transform 0.6s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.card .slides img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.card .slide-dotbar {
  position: absolute;
  bottom: 8px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 6px;
}
.card .slide-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.45);
  transition: transform 0.2s ease, background 0.2s ease;
}
.card .slide-dot.active {
  background: #fff;
  transform: scale(1.2);
}
/* Tilt and shine */
.card {
  transform-style: preserve-3d;
}
.card::before {
  content: "";
  position: absolute;
  inset: -20%;
  background: conic-gradient(
    from 180deg at 50% 50%,
    transparent,
    rgba(255, 255, 255, 0.05),
    transparent 30%
  );
  transform: translateZ(0);
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}
.card:hover::before {
  opacity: 1;
}
.card h3 {
  margin: 4px 0 0;
  font-size: 18px;
  letter-spacing: 0.2px;
}
.card p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}
.card .row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
}
.card .price {
  color: var(--text);
  font-weight: 600;
}
.card:hover {
  transform: translateY(-6px) scale(1.01);
  border-color: color-mix(in oklab, var(--primary-strong) 28%, transparent);
}
.card:hover::after {
  opacity: 0.7;
}
.card .buy {
  padding: 10px 14px;
}
.card.appear {
  opacity: 1;
  transform: translateY(0) scale(1);
}

/* Science split */
.science {
  padding: 40px 0 80px;
}
.split {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 30px;
  align-items: center;
}
.split img {
  border-radius: var(--radius-lg);
  box-shadow: 0 30px 80px -50px var(--shadow);
}
.bullets {
  margin: 14px 0 0;
  padding: 0 0 0 18px;
  color: var(--muted);
}
.reveal-on-scroll {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal-on-scroll.appear {
  opacity: 1;
  transform: translateY(0);
}

/* Ingredient mini-cards carousel */
.ingredients {
  margin-top: 24px;
  overflow: hidden;
}
.ing-track {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: clamp(200px, 28vw, 300px);
  gap: 14px;
}
.ing-card {
  background: linear-gradient(
    180deg,
    color-mix(in oklab, var(--accent) 6%, transparent),
    var(--card)
  );
  border: 1px solid color-mix(in oklab, var(--text) 10%, transparent);
  border-radius: var(--radius);
  padding: 14px;
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 12px;
  align-items: center;
  transform: translateY(10px);
  opacity: 0;
  transition: transform 0.5s ease, opacity 0.5s ease;
}
.ing-card.appear {
  transform: translateY(0);
  opacity: 1;
}
.ing-icon {
  width: 56px;
  height: 56px;
  border-radius: 12px;
  background: color-mix(in oklab, var(--primary) 18%, transparent);
  display: grid;
  place-items: center;
}
.ing-icon img {
  width: 36px;
  height: 36px;
  object-fit: contain;
  filter: brightness(1.1) contrast(1.1);
}
.ing-body h4 {
  margin: 0;
  font-size: 16px;
}
.ing-body p {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 13px;
}

/* CTA band */
.cta-band {
  padding: 40px 0 80px;
}
.band-inner {
  background: linear-gradient(
    180deg,
    color-mix(in oklab, var(--primary) 10%, transparent),
    color-mix(in oklab, var(--accent) 10%, transparent)
  );
  border: 1px solid color-mix(in oklab, var(--text) 10%, transparent);
  border-radius: var(--radius-lg);
  padding: 30px;
  text-align: center;
}
.inline-form {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-top: 8px;
}
.inline-form input {
  background: #0d1327;
  border: 1px solid color-mix(in oklab, var(--text) 12%, transparent);
  color: var(--text);
  padding: 12px 14px;
  border-radius: 999px;
  outline: none;
  min-width: 240px;
}
.inline-form input:focus {
  border-color: color-mix(in oklab, var(--primary-strong) 50%, transparent);
  box-shadow: 0 0 0 6px
    color-mix(in oklab, var(--primary-strong) 16%, transparent);
}

/* Testimonials slider */
.testimonials {
  position: relative;
  margin-bottom: 18px;
}
.tslides {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: 100%;
  overflow: hidden;
  border-radius: var(--radius);
}
.tslides .tslide {
  background: linear-gradient(
    180deg,
    color-mix(in oklab, var(--primary) 6%, transparent),
    var(--surface)
  );
  border: 1px solid color-mix(in oklab, var(--text) 10%, transparent);
  padding: 18px;
  display: grid;
  gap: 8px;
}
.tslides .who {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--muted);
  font-size: 14px;
}
.tslides .avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  object-fit: cover;
}
.tcontrols {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  pointer-events: none;
}
.tcontrols .btn {
  pointer-events: all;
}

/* Footer */
.site-footer {
  padding: 30px 0 60px;
  color: var(--muted);
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: center;
  border-top: 1px solid color-mix(in oklab, var(--text) 10%, transparent);
  padding-top: 20px;
}
.footer-links {
  display: flex;
  gap: 16px;
}
.footer-links a:hover {
  color: var(--text);
}

/* Particles canvas ensures full bleed */
#particles {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.25;
}

/* Dot navigation */
.dot-nav {
  position: fixed;
  left: 20px;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  gap: 12px;
  z-index: 60;
}
.dot-nav .dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: color-mix(in oklab, var(--text) 20%, transparent);
  border: 1px solid color-mix(in oklab, var(--text) 18%, transparent);
  transition: transform 0.18s ease, background 0.2s ease, border-color 0.2s ease;
  box-shadow: 0 8px 18px -12px var(--shadow);
}
.dot-nav .dot:hover {
  transform: scale(1.2);
  background: color-mix(in oklab, var(--primary-strong) 40%, transparent);
  border-color: color-mix(in oklab, var(--primary-strong) 40%, transparent);
}
.dot-nav .dot.active {
  transform: scale(1.3);
  background: var(--primary-strong);
  border-color: var(--primary-strong);
}

/* Keyframes */
@keyframes hue {
  from {
    filter: hue-rotate(0deg);
  }
  to {
    filter: hue-rotate(25deg);
  }
}
@keyframes float {
  0% {
    transform: translate3d(0, 0, 0) scale(1);
  }
  50% {
    transform: translate3d(0, -16px, 0) scale(1.03);
  }
  100% {
    transform: translate3d(0, 0, 0) scale(1);
  }
}

/* Responsive */
@media (max-width: 1024px) {
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .hero {
    padding: 100px 0 40px;
  }
}
@media (max-width: 900px) {
  .card {
    grid-column: span 6;
  }
  .split {
    grid-template-columns: 1fr;
  }
}
@media (max-width: 560px) {
  .dot-nav {
    display: none;
  }
  .nav a {
    display: none;
  }
  .hero {
    padding-top: 88px;
  }
  .headline {
    font-size: clamp(30px, 8vw, 44px);
  }
  .product-grid {
    gap: 16px;
  }
  .card {
    grid-column: 1 / -1;
  }
  .band-inner {
    text-align: left;
  }
}