@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@500;600;700&family=Plus+Jakarta+Sans:wght@400;500;600;700;800&family=Inter:wght@400;500;600;700&display=swap');

:root {
  --color-cream: #FBF8F1;
  --color-sand: #F3EFE6;
  --color-forest: #1E5E3A;
  --color-forest-dark: #144429;
  --color-forest-light: #288050;
  --color-lime: #A3E635;
  --color-mint: #34D399;
  --color-coral: #EF4444;
  --color-orange: #F97316;
  --font-sans: 'Plus Jakarta Sans', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;
}

body {
  font-family: var(--font-sans);
  background-color: var(--color-cream);
  color: #1F2937;
  -webkit-font-smoothing: antialiased;
}

.dark body {
  background-color: #121714;
  color: #F3F4F6;
}

.font-mono-numbers {
  font-family: var(--font-mono);
}

/* ── Specular Glassmorphism ── */
.glass-nav {
  background: rgba(251, 248, 241, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.dark .glass-nav {
  background: rgba(18, 23, 20, 0.85);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.glass-card {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(0, 0, 0, 0.06);
  box-shadow: 0 10px 30px -5px rgba(0, 0, 0, 0.04), 0 4px 6px -2px rgba(0, 0, 0, 0.02);
}

.dark .glass-card {
  background: rgba(26, 33, 29, 0.75);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 14px 34px -5px rgba(0, 0, 0, 0.35);
}

/* ── Realistic Smartphone Frame ── */
.phone-mockup {
  position: relative;
  width: 310px;
  height: 630px;
  background: #111827;
  border-radius: 50px;
  box-shadow:
    0 0 0 12px #22272e,
    0 0 0 14px #333a44,
    0 30px 60px -15px rgba(0, 0, 0, 0.35),
    0 15px 25px -10px rgba(30, 94, 58, 0.2);
  overflow: hidden;
  border: 4px solid #111827;
}

@media (min-width: 640px) {
  .phone-mockup {
    width: 330px;
    height: 670px;
    border-radius: 54px;
  }
}

.phone-screen {
  width: 100%;
  height: 100%;
  border-radius: 44px;
  overflow-y: auto;
  overflow-x: hidden;
  position: relative;
  scrollbar-width: none;
}

.phone-screen::-webkit-scrollbar {
  display: none;
}

/* Dynamic Island */
.phone-dynamic-island {
  position: absolute;
  top: 10px;
  left: 50%;
  transform: translateX(-50%);
  width: 100px;
  height: 25px;
  background: #000;
  border-radius: 16px;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding-right: 8px;
}

.phone-dynamic-island::after {
  content: '';
  width: 9px;
  height: 9px;
  background: #102a1b;
  border-radius: 50%;
  box-shadow: inset 0 0 2px rgba(255, 255, 255, 0.4);
}

/* ── Animations ── */
@keyframes floatSlow {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-8px); }
}

@keyframes floatReverse {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(8px); }
}

@keyframes pulseGlow {
  0%, 100% { opacity: 0.4; transform: scale(1); }
  50% { opacity: 0.7; transform: scale(1.05); }
}

.animate-float-slow {
  animation: floatSlow 5s ease-in-out infinite;
}

.animate-float-reverse {
  animation: floatReverse 6s ease-in-out infinite;
}

.animate-pulse-glow {
  animation: pulseGlow 4s ease-in-out infinite;
}

/* Reveal transition */
.reveal-on-scroll {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-on-scroll.animate-fade-in-up {
  opacity: 1;
  transform: translateY(0);
}

/* Smooth Slider Track */
input[type=range] {
  accent-color: #1E5E3A;
}

.dark input[type=range] {
  accent-color: #34D399;
}