/* ── LANDING PAGE STYLES ── */
:root {
  --primary: #FFC107;
  --bg: #090909;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html, body { 
  scroll-behavior: smooth; 
}

html { 
  background-color: var(--bg);
  background-image: 
    radial-gradient(circle at 10% 20%, rgba(255, 193, 7, 0.04) 0%, transparent 40%),
    radial-gradient(circle at 90% 80%, rgba(255, 193, 7, 0.03) 0%, transparent 40%);
  background-attachment: fixed; /* Keep it fixed during scroll for better premium feel */
}

body {
  font-family: 'Inter', sans-serif;
  color: #fff;
  line-height: 1.6;
  width: 1400px;
  margin: 0 auto;
  overflow-x: hidden;
  position: relative;
  background: transparent; /* Let HTML background show through */
}

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* Navbar */
.navbar {
  height: 80px; display: flex; align-items: center; position: fixed; top: 0; left: 0; right: 0;
  background: rgba(9, 9, 9, 0.8); backdrop-filter: blur(12px); z-index: 1000; border-bottom: 1px solid rgba(255,255,255,0.05);
}
.navbar .container { display: flex; justify-content: space-between; align-items: center; width: 100%; }
.nav-logo { display:flex; align-items:center; gap:12px; font-family:'Outfit', sans-serif; font-weight:800; font-size:1.3rem; }
.nav-logo img { width:32px; height:32px; }
.nav-links { display:flex; align-items:center; gap:40px; }
.nav-links a { color:#888; text-decoration:none; font-weight:500; font-size:0.95rem; transition: color 0.3s ease; }
.nav-links a:hover { color: var(--primary); }
.nav-cta { 
  background: var(--primary); 
  color: #111 !important; 
  padding: 12px 24px; 
  border-radius: 12px; 
  font-weight: 700; 
  text-decoration: none; 
  display: inline-block;
  transition: all 0.2s ease;
  transform: translateY(0);
  font-family: 'Inter', sans-serif;
}
.nav-cta:hover { 
  filter: brightness(0.9); 
  transform: translateY(-1px); 
}

/* Hero */
.hero { padding-top: 160px; padding-bottom: 120px; min-height: 750px; }
.hero-grid { display: grid; grid-template-columns: 1fr 420px; gap: 60px; align-items: center; }
.badge { 
  display: inline-block; 
  background: rgba(255, 193, 7, 0.1); 
  color: var(--primary); 
  padding: 5px 12px; 
  border-radius: 100px; 
  font-size: 0.8rem; 
  font-weight: 600; 
  margin-bottom: 20px; 
  text-decoration: none; 
  transition: all 0.2s ease; 
}
.badge:hover { filter: brightness(0.8); }
.hero-content h1 { font-family: 'Outfit', sans-serif; font-size: 4rem; line-height: 1.1; font-weight: 900; margin-bottom: 24px; }
.hero-content h1 span { color: var(--primary); }
.hero-sub { color: #888; font-size: 1.2rem; margin-bottom: 40px; max-width: 500px; }
.hero-actions { display: flex; gap: 16px; }
.btn { padding: 14px 28px; border-radius: 12px; font-weight: 700; text-decoration: none; display: inline-block; transition: all 0.2s ease; border: none; cursor: pointer; }
.btn-primary { background: var(--primary); color: #111; }
.btn-secondary { background: #222; color: #fff; }
.btn:hover { filter: brightness(0.9); transform: translateY(-1px); }
.nav-cta:hover { filter: brightness(0.9); }

/* 3D Scene Wrapper */
.hero-visual { position: relative; perspective: 1500px; height: 580px; display: flex; align-items: center; }
.scene-3d { width: 100%; transform-style: preserve-3d; }
.tilt-box { width: 360px; margin: 0 auto; transform-style: preserve-3d; transition: transform 0.1s ease-out; transform: rotateY(-15deg) rotateX(5deg); }

/* ── Features & How-To (Aligned Proportions) ── */
.features { padding: 80px 0; width: 100%; }
.how-section { padding: 80px 0 300px 0; width: 100%; }

.section-title { text-align: center; margin-bottom: 60px; }
.section-title h2 { font-family: 'Outfit', sans-serif; font-size: 2rem; font-weight: 900; margin-bottom: 0; }

.features-grid, .instruction-grid { 
  display: grid; 
  max-width: 1100px;
  margin: 0 auto;
  gap: 20px; 
}

.features-grid { 
  grid-template-columns: repeat(4, 1fr); 
}

.instruction-grid { 
  grid-template-columns: repeat(3, 1fr); 
}

/* Card Style (Universal for both) */
.feature-card, .instruction-card { 
  background: rgba(18, 18, 18, 0.45); 
  border: 1px solid rgba(255, 255, 255, 0.08); 
  padding: 24px; 
  border-radius: 12px; 
  backdrop-filter: blur(12px) saturate(140%);
  display: flex;
  flex-direction: column;
  gap: 10px; /* Uniform tight gap */
  transition: transform 0.3s;
}

.feature-card:hover, .instruction-card:hover {
  transform: translateY(-5px);
  border-color: rgba(255, 193, 7, 0.2);
}

.feature-card h3, .instruction-card h3 { 
  font-size: 1.1rem;
  font-weight: 700;
  color: #fff;
  margin: 0;
}

.feature-card p, .instruction-card p { 
  color: #666; 
  font-size: 0.82rem; 
  line-height: 1.4;
  margin: 0;
}

.f-icon { 
  color: var(--primary);
  display: flex;
  align-items: center;
  margin-bottom: 4px; /* Reduced to minimum */
}

.f-icon svg {
  stroke-width: 1.8px;
  width: 22px; height: 22px;
}

.mock-ui { 
  height: 60px; /* Snug height */
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
}

/* Chrome-Style Final (Centered & Larger) */
.mock-chrome-toggle { 
  display: flex; justify-content: center; align-items: center; gap: 16px; width: 100%;
  font-size: 0.85rem; color: #888;
}

.toggle-pill { 
  width: 40px; height: 18px; background: #5f6368; border-radius: 20px; position: relative; 
  cursor: pointer;
}
.toggle-pill.active { background: #8ab4f8; }
.toggle-pill::after { 
  content: ""; width: 24px; height: 24px; background: #9aa0a6; border-radius: 50%; 
  position: absolute; left: -2px; top: -3px; box-shadow: 0 2px 4px rgba(0,0,0,0.4);
  transition: transform 0.2s, background 0.2s;
}
.toggle-pill.active::after { transform: translateX(20px); background: #8ab4f8; }

.mock-zip { 
  padding: 10px 22px; 
  border: 1px solid rgba(255, 193, 7, 0.4); 
  border-radius: 8px; 
  color: #FFC107; 
  font-weight: 700; 
  background: rgba(255, 193, 7, 0.08);
  font-size: 0.85rem;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.mock-chrome-btn { 
  padding: 10px 24px; 
  border: 1px solid #8ab4f8; 
  color: #8ab4f8; 
  border-radius: 30px; 
  font-size: 0.8rem; 
  font-weight: 600; 
  background: transparent;
  cursor: pointer;
}

.os-tag {
  color: #fff;
  border-bottom: 2px solid var(--primary);
  display: inline-block;
  line-height: 1.1;
  padding-bottom: 1px;
  font-weight: 700;
}