/* ==========================================================================
   ROMMAN LABS — Clean, Human, Accessible Design System
   Inspired by Linear, Stripe & Vercel
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=El+Messiri:wght@500;600;700&family=Tajawal:wght@300;400;500;700;800&family=Plus+Jakarta+Sans:wght@400;500;600;700&family=Space+Grotesk:wght@500;700&display=swap');

:root {
  /* Dark Theme Default Variables */
  --bg-color: #080406;
  --surface-color: #12090e;
  --surface-hover: #1c0d16;
  --card-bg: rgba(255, 255, 255, 0.03);
  --card-border: rgba(255, 255, 255, 0.09);

  --text-main: #f9f6f7;
  --text-muted: rgba(249, 246, 247, 0.68);
  --text-dim: rgba(249, 246, 247, 0.42);

  --pomegranate: #c41e3a;
  --pomegranate-light: #e62e4d;
  --pomegranate-glow: rgba(196, 30, 58, 0.25);
  
  --gold: #e6b85c;
  --gold-glow: rgba(230, 184, 92, 0.2);

  /* Eyebrow & Badge Theme Variables */
  --pill-bg: rgba(196, 30, 58, 0.18);
  --pill-border: rgba(196, 30, 58, 0.35);
  --pill-text: #e6b85c;
  --pill-dot: #c41e3a;

  --samaam-badge-bg: rgba(230, 184, 92, 0.15);
  --samaam-badge-border: rgba(230, 184, 92, 0.4);
  --samaam-badge-text: #e6b85c;

  --header-bg: rgba(8, 4, 6, 0.85);

  --font-arabic-title: 'El Messiri', serif;
  --font-arabic-body: 'Tajawal', sans-serif;
  --font-latin-title: 'Space Grotesk', sans-serif;
  --font-latin-body: 'Plus Jakarta Sans', sans-serif;

  --ease-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-full: 9999px;
}

/* Light Theme Variables */
[data-theme="light"] {
  --bg-color: #fcf9f6;
  --surface-color: #f3ede6;
  --surface-hover: #e9e0d5;
  --card-bg: rgba(0, 0, 0, 0.02);
  --card-border: rgba(0, 0, 0, 0.08);

  --text-main: #1c1417;
  --text-muted: rgba(28, 20, 23, 0.72);
  --text-dim: rgba(28, 20, 23, 0.48);

  --pomegranate: #a81730;
  --pomegranate-light: #c41e3a;
  --pomegranate-glow: rgba(168, 23, 48, 0.12);

  --gold: #a67417;
  --gold-glow: rgba(166, 116, 23, 0.15);

  /* Eyebrow & Badge Light Mode Colors */
  --pill-bg: rgba(168, 23, 48, 0.08);
  --pill-border: rgba(168, 23, 48, 0.22);
  --pill-text: #9e1428;
  --pill-dot: #c41e3a;

  --samaam-badge-bg: rgba(166, 116, 23, 0.1);
  --samaam-badge-border: rgba(166, 116, 23, 0.35);
  --samaam-badge-text: #855e10;

  --header-bg: rgba(252, 249, 246, 0.88);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-arabic-body);
  background-color: var(--bg-color);
  color: var(--text-main);
  line-height: 1.65;
  overflow-x: hidden;
  transition: background-color 0.4s ease, color 0.4s ease;
  -webkit-font-smoothing: antialiased;
}

/* English LTR Mode */
html[lang="en"] body {
  font-family: var(--font-latin-body);
  direction: ltr;
}

/* Top Scroll Progress Line */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0%;
  background: linear-gradient(90deg, var(--pomegranate), var(--gold), var(--pomegranate-light));
  z-index: 9999;
  transition: width 0.1s ease-out;
  box-shadow: 0 0 12px var(--pomegranate-glow);
}

/* Background Canvas, Mesh Lighting & Grid */
#hero-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 1;
}

.ambient-grid {
  position: fixed;
  inset: 0;
  background-image: radial-gradient(var(--card-border) 1px, transparent 0);
  background-size: 32px 32px;
  pointer-events: none;
  z-index: 2;
  opacity: 0.45;
}

.ambient-spotlight {
  position: fixed;
  border-radius: 50%;
  pointer-events: none;
  z-index: 1;
  filter: blur(120px);
  opacity: 0.22;
  will-change: transform;
}

[data-theme="light"] .ambient-spotlight {
  opacity: 0.10;
}

.ambient-1 {
  top: -15vw;
  right: -10vw;
  width: 55vw;
  height: 55vw;
  background: radial-gradient(circle, var(--pomegranate) 0%, transparent 70%);
  animation: ambientFloat 20s ease-in-out infinite alternate;
}

.ambient-2 {
  bottom: -15vw;
  left: -10vw;
  width: 50vw;
  height: 50vw;
  background: radial-gradient(circle, var(--gold) 0%, transparent 70%);
  animation: ambientFloat 24s ease-in-out infinite alternate-reverse;
}

@keyframes ambientFloat {
  0% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(40px, -50px) scale(1.08); }
  100% { transform: translate(-30px, 40px) scale(0.95); }
}

.cursor-follower {
  position: fixed;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--pomegranate-glow) 0%, transparent 70%);
  pointer-events: none;
  transform: translate3d(-50%, -50%, 0);
  z-index: 3;
  will-change: transform;
}

/* Container */
.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 clamp(20px, 5vw, 48px);
  width: 100%;
}

/* Navigation Header */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 76px;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 clamp(20px, 5vw, 48px);
  background: var(--header-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--card-border);
  transition: all 0.3s ease;
}

.brand-wrapper {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text-main);
}

.brand-logo-frame {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: var(--surface-color);
  border: 1px solid var(--card-border);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  transition: transform 0.3s ease;
}

.brand-wrapper:hover .brand-logo-frame {
  transform: scale(1.05);
}

.brand-logo-frame img {
  width: 22px;
  height: 22px;
  object-fit: contain;
}

.brand-title {
  font-family: var(--font-arabic-title);
  font-size: 1.15rem;
  font-weight: 700;
}

html[lang="en"] .brand-title {
  font-family: var(--font-latin-title);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}

.nav-link {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 500;
  transition: color 0.2s ease;
}

.nav-link:hover {
  color: var(--text-main);
}

.header-controls {
  display: flex;
  align-items: center;
  gap: 12px;
}

.control-btn {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  color: var(--text-main);
  padding: 8px 14px;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all 0.2s ease;
}

.control-btn:hover {
  background: var(--surface-hover);
  border-color: var(--pomegranate);
}

/* Sections */
section {
  position: relative;
  z-index: 10;
  padding: clamp(80px, 12vw, 140px) 0;
}

.eyebrow-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 14px;
  border-radius: var(--radius-full);
  background: var(--pill-bg);
  border: 1px solid var(--pill-border);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--pill-text);
  margin-bottom: 20px;
  transition: background-color 0.3s ease, border-color 0.3s ease, color 0.3s ease;
}

.seed-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--pill-dot);
  transition: background-color 0.3s ease;
}

.heading-section {
  font-family: var(--font-arabic-title);
  font-size: clamp(2.2rem, 4vw, 3.8rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-main);
  margin-bottom: 20px;
}

html[lang="en"] .heading-section {
  font-family: var(--font-latin-title);
}

.subheading-section {
  font-size: clamp(1.05rem, 1.6vw, 1.25rem);
  color: var(--text-muted);
  line-height: 1.8;
  max-width: 68ch;
}

/* Hero Section */
.hero-section {
  min-height: 90vh;
  display: flex;
  align-items: center;
  padding-top: 130px;
  padding-bottom: 80px;
}

.hero-content {
  max-width: 820px;
}

.hero-title {
  font-family: var(--font-arabic-title);
  font-size: clamp(2.8rem, 5.5vw, 5.2rem);
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 24px;
}

html[lang="en"] .hero-title {
  font-family: var(--font-latin-title);
}

.highlight-text {
  background: linear-gradient(135deg, var(--pomegranate-light) 0%, var(--gold) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.hero-desc {
  font-size: clamp(1.15rem, 2vw, 1.4rem);
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 36px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 30px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--pomegranate-light) 0%, var(--pomegranate) 100%);
  color: #ffffff;
  font-weight: 700;
  font-size: 0.95rem;
  text-decoration: none;
  border: none;
  cursor: pointer;
  box-shadow: 0 8px 25px var(--pomegranate-glow), 0 2px 4px rgba(0, 0, 0, 0.2);
  transition: transform 0.25s var(--ease-expo), box-shadow 0.25s ease, background 0.25s ease;
  position: relative;
  overflow: hidden;
}

.btn-primary::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.25), transparent);
  transform: translateX(-100%);
  transition: transform 0.6s ease;
}

.btn-primary:hover::after {
  transform: translateX(100%);
}

.btn-primary:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 14px 32px var(--pomegranate-glow), 0 4px 8px rgba(0, 0, 0, 0.25);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 30px;
  border-radius: var(--radius-full);
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  color: var(--text-main);
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: all 0.25s ease;
}

.btn-secondary:hover {
  background: var(--surface-hover);
  border-color: var(--gold);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px var(--gold-glow);
}

/* Cards Grid */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  margin-top: 48px;
}

.card-item {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 34px 30px;
  position: relative;
  overflow: hidden;
  transition: transform 0.35s var(--ease-expo), border-color 0.35s ease, background 0.35s ease, box-shadow 0.35s ease;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.card-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.15), transparent);
}

[data-theme="light"] .card-item::before {
  background: linear-gradient(90deg, transparent, rgba(0, 0, 0, 0.08), transparent);
}

.card-item:hover {
  transform: translateY(-6px) scale(1.01);
  border-color: rgba(196, 30, 58, 0.35);
  background: var(--surface-color);
  box-shadow: 0 20px 40px -15px rgba(0, 0, 0, 0.3), 0 0 20px var(--pomegranate-glow);
}

[data-theme="light"] .card-item:hover {
  box-shadow: 0 16px 36px -12px rgba(168, 23, 48, 0.12);
}

.card-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: var(--surface-color);
  border: 1px solid var(--card-border);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 20px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  transition: transform 0.3s ease, border-color 0.3s ease;
}

.card-item:hover .card-icon {
  transform: scale(1.1) rotate(-3deg);
  border-color: var(--pomegranate);
}

.card-title {
  font-family: var(--font-arabic-title);
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text-main);
}

html[lang="en"] .card-title {
  font-family: var(--font-latin-title);
}

.card-desc {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* Philosophy Steps */
.philosophy-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}

.step-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 38px 30px;
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: transform 0.35s var(--ease-expo), border-color 0.35s ease, box-shadow 0.35s ease;
}

.step-card:hover {
  transform: translateY(-6px);
  border-color: var(--gold);
  box-shadow: 0 20px 40px -15px rgba(0, 0, 0, 0.25), 0 0 20px var(--gold-glow);
}

.step-num {
  font-family: var(--font-latin-title);
  font-size: 2.5rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--gold) 0%, #ffffff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 16px;
  letter-spacing: -1px;
}

[data-theme="light"] .step-num {
  background: linear-gradient(135deg, var(--gold) 0%, #855e10 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Samaam Product Card */
.samaam-card {
  background: var(--surface-color);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: clamp(36px, 6vw, 64px);
  margin-top: 40px;
  position: relative;
  overflow: hidden;
  box-shadow: 0 24px 60px -20px rgba(0, 0, 0, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.samaam-card::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at 30% 20%, var(--pomegranate-glow) 0%, transparent 50%);
  pointer-events: none;
  opacity: 0.7;
}

.samaam-highlights {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 24px 0 36px;
  position: relative;
  z-index: 2;
}

.highlight-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  border-radius: var(--radius-full);
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--text-main);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: all 0.25s ease;
}

.highlight-chip:hover {
  border-color: var(--pomegranate);
  transform: translateY(-2px);
  background: var(--surface-hover);
  box-shadow: 0 4px 14px var(--pomegranate-glow);
}

.chip-icon {
  font-size: 1rem;
}

.samaam-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 14px;
  border-radius: var(--radius-full);
  background: var(--pill-bg);
  border: 1px solid var(--pill-border);
  color: var(--pill-text);
  font-size: 0.78rem;
  font-weight: 700;
  margin-bottom: 20px;
  transition: background-color 0.3s ease, border-color 0.3s ease, color 0.3s ease;
}

.samaam-title {
  font-family: var(--font-arabic-title);
  font-size: clamp(2.4rem, 4vw, 3.8rem);
  font-weight: 700;
  margin-bottom: 16px;
}

html[lang="en"] .samaam-title {
  font-family: var(--font-latin-title);
}

/* Contact / Registration Form */
.cta-box {
  background: var(--surface-color);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: clamp(36px, 6vw, 64px);
  text-align: center;
  max-width: 720px;
  margin: 0 auto;
}

.form-group {
  display: flex;
  gap: 12px;
  margin-top: 32px;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

.email-input {
  flex: 1;
  padding: 13px 20px;
  border-radius: var(--radius-full);
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  color: var(--text-main);
  font-family: inherit;
  font-size: 0.95rem;
  outline: none;
  transition: border-color 0.2s ease;
}

.email-input:focus {
  border-color: var(--pomegranate);
}

.form-feedback-card {
  margin-top: 24px;
  display: none;
  padding: 20px 24px;
  border-radius: var(--radius-lg);
  text-align: center;
  animation: fadeInFeedback 0.4s ease forwards;
}

@keyframes fadeInFeedback {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.form-feedback-card.success {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  background: rgba(16, 185, 129, 0.08);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: #34d399;
}

.form-feedback-card.error {
  display: block;
  background: rgba(239, 68, 68, 0.08);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #f87171;
}

.feedback-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(52, 211, 153, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #34d399;
  margin-bottom: 4px;
}

.feedback-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-main);
}

.feedback-desc {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.privacy-note {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  margin-top: 24px;
  font-size: 0.82rem;
  color: var(--text-muted);
  opacity: 0.85;
}

.privacy-note svg {
  color: var(--gold);
  flex-shrink: 0;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--card-border);
  padding: 40px 0;
  color: var(--text-dim);
  font-size: 0.88rem;
  position: relative;
  z-index: 10;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

/* Animations */
.reveal-on-scroll {
  opacity: 0;
  transform: translate3d(0, 24px, 0);
  transition: opacity 0.7s var(--ease-expo), transform 0.7s var(--ease-expo);
}

.reveal-on-scroll.active {
  opacity: 1;
  transform: translate3d(0, 0, 0);
}

/* Responsive */
@media (max-width: 900px) {
  .philosophy-grid {
    grid-template-columns: 1fr;
  }
  
  .nav-menu {
    display: none;
  }

  .form-group {
    flex-direction: column;
  }
}