:root {
  color-scheme: dark;
  --color-navy: #071422;
  --color-navy-mid: #0d2438;
  --color-navy-soft: #143049;
  --color-coral: #ff3d68;
  --color-coral-deep: #e0244f;
  --color-aqua: #1ec8c8;
  --color-aqua-deep: #0fa8a8;
  --color-gold: #f5b700;
  --color-gold-soft: #ffd24a;
  --color-ivory: #f7f3eb;
  --color-ivory-dim: rgba(247, 243, 235, 0.72);
  --color-ivory-mute: rgba(247, 243, 235, 0.48);
  --color-ink: #041018;
  --color-white: #ffffff;
  --color-success: #2fd67b;
  --color-warning: #f5b700;

  --border: rgba(247, 243, 235, 0.08);
  --border-strong: rgba(247, 243, 235, 0.2);
  --border-soft: rgba(247, 243, 235, 0.06);
  --nav-bg: rgba(7, 20, 34, 0.72);
  --menu-bg: rgba(7, 20, 34, 0.96);
  --input-bg: rgba(7, 20, 34, 0.55);
  --panel-bg: rgba(13, 36, 56, 0.65);
  --hero-brand-gradient: linear-gradient(
    100deg,
    #f7f3eb 0%,
    #1ec8c8 45%,
    #ff3d68 75%,
    #f5b700 100%
  );

  --gradient-hero: linear-gradient(
    135deg,
    #071422 0%,
    #0d2a45 38%,
    #123a4f 62%,
    #0a1c2e 100%
  );
  --gradient-coral: linear-gradient(145deg, #ff3d68 0%, #ff6b4a 100%);
  --gradient-aqua: linear-gradient(145deg, #1ec8c8 0%, #3de0d0 100%);
  --gradient-gold: linear-gradient(145deg, #f5b700 0%, #ffd24a 100%);
  --gradient-ile: linear-gradient(
    135deg,
    #0d2438 0%,
    #1a4a5c 35%,
    #ff3d68 70%,
    #f5b700 100%
  );
  --gradient-mesh: radial-gradient(
      ellipse 80% 60% at 10% 20%,
      rgba(255, 61, 104, 0.45),
      transparent 55%
    ),
    radial-gradient(
      ellipse 70% 50% at 90% 10%,
      rgba(30, 200, 200, 0.35),
      transparent 50%
    ),
    radial-gradient(
      ellipse 60% 40% at 70% 80%,
      rgba(245, 183, 0, 0.28),
      transparent 55%
    ),
    radial-gradient(
      ellipse 50% 40% at 20% 90%,
      rgba(30, 200, 200, 0.2),
      transparent 50%
    );

  --font-display: "Syne", system-ui, sans-serif;
  --font-body: "Figtree", system-ui, sans-serif;

  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-md: 1.125rem;
  --text-lg: 1.25rem;
  --text-xl: 1.5rem;
  --text-2xl: 2rem;
  --text-3xl: 2.75rem;
  --text-4xl: clamp(2.75rem, 6vw, 4.5rem);
  --text-brand: clamp(3rem, 9vw, 6.5rem);

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4rem;
  --space-9: 6rem;

  --radius-sm: 0.5rem;
  --radius-md: 0.875rem;
  --radius-lg: 1.25rem;
  --radius-xl: 1.75rem;
  --radius-pill: 999px;

  --shadow-soft: 0 12px 40px rgba(4, 16, 24, 0.35);
  --shadow-glow-coral: 0 0 40px rgba(255, 61, 104, 0.35);
  --shadow-glow-aqua: 0 0 40px rgba(30, 200, 200, 0.3);

  --container: 1120px;
  --nav-h: 4.25rem;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --dur: 0.55s;
  --hero-art-opacity: 1;
  --hero-art-filter: none;
  --dash-glow: radial-gradient(
      ellipse 80% 50% at 0% 0%,
      rgba(255, 61, 104, 0.12),
      transparent 50%
    ),
    radial-gradient(
      ellipse 60% 40% at 100% 0%,
      rgba(30, 200, 200, 0.1),
      transparent 45%
    );
}

html[data-theme="light"] {
  color-scheme: light;
  --color-navy: #eef3f8;
  --color-navy-mid: #ffffff;
  --color-navy-soft: #e2eaf2;
  --color-ivory: #071422;
  --color-ivory-dim: rgba(7, 20, 34, 0.72);
  --color-ivory-mute: rgba(7, 20, 34, 0.5);
  --color-gold-soft: #c99200;

  --border: rgba(7, 20, 34, 0.1);
  --border-strong: rgba(7, 20, 34, 0.18);
  --border-soft: rgba(7, 20, 34, 0.06);
  --nav-bg: rgba(238, 243, 248, 0.88);
  --menu-bg: rgba(255, 255, 255, 0.98);
  --input-bg: rgba(255, 255, 255, 0.9);
  --panel-bg: rgba(255, 255, 255, 0.92);
  --hero-brand-gradient: linear-gradient(
    100deg,
    #071422 0%,
    #0fa8a8 42%,
    #e0244f 72%,
    #c99200 100%
  );

  --gradient-hero: linear-gradient(
    145deg,
    #e8f4f7 0%,
    #f7f3eb 35%,
    #ffe8ee 68%,
    #dff5f5 100%
  );
  --gradient-mesh: radial-gradient(
      ellipse 80% 60% at 10% 20%,
      rgba(255, 61, 104, 0.22),
      transparent 55%
    ),
    radial-gradient(
      ellipse 70% 50% at 90% 10%,
      rgba(30, 200, 200, 0.22),
      transparent 50%
    ),
    radial-gradient(
      ellipse 60% 40% at 70% 80%,
      rgba(245, 183, 0, 0.2),
      transparent 55%
    ),
    radial-gradient(
      ellipse 50% 40% at 20% 90%,
      rgba(30, 200, 200, 0.14),
      transparent 50%
    );
  --gradient-ile: linear-gradient(
    135deg,
    #123a4f 0%,
    #1a5c6e 30%,
    #ff3d68 68%,
    #f5b700 100%
  );

  --shadow-soft: 0 14px 36px rgba(7, 20, 34, 0.1);
  --shadow-glow-coral: 0 8px 28px rgba(255, 61, 104, 0.22);
  --shadow-glow-aqua: 0 8px 28px rgba(30, 200, 200, 0.2);

  --hero-art-opacity: 0.42;
  --hero-art-filter: saturate(1.15) contrast(0.95);
  --dash-glow: radial-gradient(
      ellipse 80% 50% at 0% 0%,
      rgba(255, 61, 104, 0.1),
      transparent 50%
    ),
    radial-gradient(
      ellipse 60% 40% at 100% 0%,
      rgba(30, 200, 200, 0.1),
      transparent 45%
    );
}