/* ============================================
   NORTH RIYADH WATER SUPPLY — BASE STYLES
   Color: Midnight Teal + Champagne + Ivory
   ============================================ */

:root {
  /* Primary palette */
  --teal-deepest: #0A1F21;
  --teal-deep:    #0F2C2E;
  --teal:         #1A4548;
  --teal-soft:    #2C6669;

  /* Accent — champagne brass */
  --champagne:        #C8A876;
  --champagne-light:  #DDC09A;
  --champagne-dark:   #A88751;

  /* Secondary — seafoam (water tones) */
  --seafoam:       #7BA39E;
  --seafoam-light: #A8C5C1;

  /* Neutrals — warm */
  --ivory:        #FAF7F2;
  --cream:        #F4EFE6;
  --sand:         #EDE6D7;
  --warm-grey:    #8A8580;

  /* Text */
  --ink:          #1A1F1F;
  --ink-soft:     rgba(26, 31, 31, 0.65);
  --ink-faint:    rgba(26, 31, 31, 0.45);

  /* On-dark */
  --on-dark:       #FAF7F2;
  --on-dark-soft:  rgba(250, 247, 242, 0.75);
  --on-dark-faint: rgba(250, 247, 242, 0.5);

  /* Shadows */
  --shadow-soft:    0 10px 40px -10px rgba(15, 44, 46, 0.15);
  --shadow-premium: 0 30px 80px -20px rgba(15, 44, 46, 0.35);
  --shadow-glow:    0 10px 40px -10px rgba(200, 168, 118, 0.4);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: "Plus Jakarta Sans", system-ui, sans-serif;
  color: var(--ink);
  background: var(--ivory);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  line-height: 1.5;
}

html[dir="rtl"] body { font-family: "Tajawal", sans-serif; }

::selection {
  background: var(--champagne);
  color: var(--teal-deepest);
}

::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--cream); }
::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--teal), var(--teal-deep));
  border-radius: 10px;
}

a { text-decoration: none; color: inherit; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
img { display: block; max-width: 100%; }

.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.25rem;
}
@media (min-width: 640px) { .container { padding: 0 2rem; } }
@media (min-width: 1024px) { .container { padding: 0 3rem; } }

/* ============= TYPOGRAPHY ============= */
.heading-display {
  font-family: "Fraunces", serif;
  font-feature-settings: "ss01", "ss02";
  letter-spacing: -0.02em;
  line-height: 1.05;
  font-weight: 500;
}
html[dir="rtl"] .heading-display { letter-spacing: 0; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.28em;
  color: var(--champagne-dark);
}
.eyebrow.on-dark { color: var(--champagne); }
.eyebrow .dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--champagne);
}
.eyebrow .dot.pulse { animation: pulse 2s infinite; }

.text-gradient {
  background: linear-gradient(120deg, var(--champagne-dark) 0%, var(--champagne-light) 50%, var(--champagne-dark) 100%);
  background-size: 200% auto;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: shimmer 4s linear infinite;
  font-style: italic;
}

/* ============= BUTTONS ============= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.9rem 1.75rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.9rem;
  letter-spacing: 0.01em;
  transition: all 0.3s ease;
  cursor: pointer;
  white-space: nowrap;
}
.btn:active { transform: scale(0.96); }

.btn-primary {
  background: var(--champagne);
  color: var(--teal-deepest);
}
.btn-primary:hover {
  background: var(--champagne-light);
  box-shadow: var(--shadow-glow);
  transform: translateY(-2px);
}

.btn-outline {
  border: 1px solid rgba(250, 247, 242, 0.25);
  background: rgba(250, 247, 242, 0.05);
  color: var(--on-dark);
  backdrop-filter: blur(12px);
}
.btn-outline:hover {
  border-color: var(--champagne);
  background: rgba(250, 247, 242, 0.1);
}

.btn-dark {
  background: var(--teal-deep);
  color: var(--on-dark);
}
.btn-dark:hover {
  background: var(--teal-deepest);
  box-shadow: var(--shadow-premium);
  transform: translateY(-2px);
}

/* ============= REUSABLES ============= */
.glass {
  background: rgba(250, 247, 242, 0.06);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(250, 247, 242, 0.12);
}

.bg-teal-radial {
  background: radial-gradient(circle at top right, var(--teal-soft) 0%, var(--teal-deep) 40%, var(--teal-deepest) 85%);
}
.bg-teal { background: var(--teal-deep); }
.bg-ivory { background: var(--ivory); }
.bg-cream { background: var(--cream); }
.bg-sand { background: var(--sand); }

.bg-grid {
  background-image:
    linear-gradient(rgba(250, 247, 242, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(250, 247, 242, 0.04) 1px, transparent 1px);
  background-size: 60px 60px;
}

.noise-overlay { position: relative; }
.noise-overlay::before {
  content: "";
  position: absolute; inset: 0;
  background-image: url("data:image/svg+xml;utf8,<svg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2'/><feColorMatrix values='0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.15 0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
  opacity: 0.35;
  pointer-events: none;
  mix-blend-mode: overlay;
}