/* ========================================
   STAR Tools Landing ~ Liquid Glass
   ======================================== */

/* -- reset & base -- */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --font-body: 'Inter', sans-serif;
  --font-display: 'Space Grotesk', sans-serif;

  /* spacing scale (4px base) */
  --sp-1: 4px; --sp-2: 8px; --sp-3: 12px; --sp-4: 16px; --sp-5: 20px;
  --sp-6: 24px; --sp-7: 32px; --sp-8: 40px; --sp-9: 48px; --sp-10: 64px;

  /* radius */
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;

  /* transitions */
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --speed: 0.3s;

  /* gradient angles */
  --grad-angle: 135deg;
}

/* -- dark theme -- */
[data-theme="dark"] {
  --bg: #0a0a14;
  --bg-secondary: #0f0f1e;
  --surface: rgba(255, 255, 255, 0.04);
  --surface-hover: rgba(255, 255, 255, 0.08);
  --glass-bg: rgba(255, 255, 255, 0.05);
  --glass-border: rgba(255, 255, 255, 0.1);
  --glass-border-hover: rgba(255, 255, 255, 0.2);
  --text-primary: #f0f0f5;
  --text-secondary: #a0a0b8;
  --text-muted: #606078;
  --brand-500: #8a93a4;
  --brand-400: #b0b8c8;
  --brand-600: #6d788c;
  --accent-blue: #c4c9d3;
  --accent-emerald: #dcdfe6;
  --accent-rose: #a7aebc;
  --accent-amber: #edeef2;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 20px rgba(0,0,0,0.4);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.5);
  --shadow-glow: 0 0 30px rgba(176,184,200,0.15);
  --nav-bg: rgba(10, 10, 20, 0.7);
  --divider: rgba(255,255,255,0.06);
}

/* -- light theme -- */
[data-theme="light"] {
  --bg: #f5f5fa;
  --bg-secondary: #eeeef4;
  --surface: rgba(255, 255, 255, 0.7);
  --surface-hover: rgba(255, 255, 255, 0.9);
  --glass-bg: rgba(255, 255, 255, 0.5);
  --glass-border: rgba(0, 0, 0, 0.08);
  --glass-border-hover: rgba(0, 0, 0, 0.15);
  --text-primary: #1a1a2e;
  --text-secondary: #4a4a6a;
  --text-muted: #8a8aa0;
  --brand-500: #414754;
  --brand-400: #576070;
  --brand-600: #2b2f38;
  --accent-blue: #6d788c;
  --accent-emerald: #1a1d23;
  --accent-rose: #414754;
  --accent-amber: #2b2f38;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 20px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.1);
  --shadow-glow: 0 0 30px rgba(65,71,84,0.1);
  --nav-bg: rgba(245, 245, 250, 0.7);
  --divider: rgba(0,0,0,0.06);
}

html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text-primary);
  overflow-x: hidden;
  transition: background var(--speed) var(--ease), color var(--speed) var(--ease);
  line-height: 1.6;
}

.container { max-width: 1120px; margin: 0 auto; padding: 0 var(--sp-6); }

/* -- particles -- */
.particles { position: fixed; inset: 0; pointer-events: none; z-index: 0; overflow: hidden; }
.particle {
  position: absolute; bottom: -10px; background: var(--brand-500); border-radius: 50%;
  animation: floatUp linear infinite;
}
@keyframes floatUp {
  0% { transform: translateY(0) rotate(0deg); opacity: 0; }
  10% { opacity: 1; }
  90% { opacity: 1; }
  100% { transform: translateY(-110vh) rotate(360deg); opacity: 0; }
}

/* -- ambient blobs (radial gradient, no filter blur) -- */
.blob {
  position: fixed; border-radius: 50%; pointer-events: none; z-index: 0;
  opacity: 0.12; background: radial-gradient(circle, var(--brand-500) 0%, transparent 70%);
}
.blob-1 { width: 500px; height: 500px; top: -100px; right: -100px; }
.blob-2 { width: 400px; height: 400px; background: radial-gradient(circle, var(--accent-blue) 0%, transparent 70%); bottom: 20%; left: -80px; }
.blob-3 { width: 350px; height: 350px; background: radial-gradient(circle, var(--accent-emerald) 0%, transparent 70%); bottom: -50px; right: 20%; }

/* -- glass card base -- */
.glass-card {
  background: var(--glass-bg);
  backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  position: relative; overflow: hidden;
  transition: transform var(--speed) var(--ease), border-color var(--speed) var(--ease), box-shadow var(--speed) var(--ease);
}
.glass-card:hover {
  border-color: var(--glass-border-hover);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
}

/* card accent bar */
.card-accent {
  position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, var(--brand-500), var(--brand-400));
}
.card-accent.accent-blue { background: linear-gradient(90deg, var(--accent-blue), var(--brand-400)); }
.card-accent.accent-green, .card-accent.accent-emerald { background: linear-gradient(90deg, var(--accent-emerald), var(--accent-blue)); }
.card-accent.accent-purple { background: linear-gradient(90deg, var(--brand-600), var(--accent-rose)); }

/* -- scroll reveal -- */
.reveal { opacity: 0; transform: translateY(30px); transition: opacity 0.6s var(--ease), transform 0.6s var(--ease); }
.reveal.revealed { opacity: 1; transform: translateY(0); }

/* -- nav -- */
.nav {
  position: sticky; top: 0; z-index: 100;
  background: var(--nav-bg); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--divider);
  transition: background var(--speed) var(--ease), box-shadow var(--speed) var(--ease);
}
.nav.scrolled { box-shadow: var(--shadow-md); }
.nav-inner {
  max-width: 1120px; margin: 0 auto; padding: var(--sp-3) var(--sp-6);
  display: flex; align-items: center; justify-content: space-between;
}
.nav-brand { display: flex; align-items: center; gap: var(--sp-3); }
.nav-logo {
  width: 32px; height: 32px;
  display: flex; align-items: center; justify-content: center;
}
.nav-title { font-family: var(--font-display); font-weight: 600; font-size: 16px; }
.nav-links { display: flex; gap: var(--sp-7); position: relative; overflow: visible; }
.hamburger { display: none; }
.nav-link {
  font-size: 14px; font-weight: 500; color: var(--text-muted); text-decoration: none;
  position: relative; transition: color 0.4s var(--ease); padding: var(--sp-2) 0;
}
.nav-link:hover, .nav-link.active { color: var(--text-primary); }

/* glow glider */
.nav-glider {
  position: absolute; bottom: -6px; height: 1px;
  background: var(--brand-400);
  border-radius: 1px;
  transition: left 0.4s cubic-bezier(0.16, 1, 0.3, 1), width 0.3s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.3s var(--ease);
  pointer-events: none;
  opacity: 0;
}
.nav-glider.visible { opacity: 0.5; }
.nav-glider::before {
  content: ''; position: absolute;
  top: -6px; bottom: -10px; left: -12px; right: -12px;
  background: var(--brand-400);
  filter: blur(12px); opacity: 0.7;
  border-radius: 8px;
}
.nav-glider::after {
  content: ''; position: absolute;
  top: -20px; bottom: -24px; left: -30px; right: -30px;
  background: radial-gradient(ellipse at center, var(--brand-400), transparent 70%);
  opacity: 0.2; pointer-events: none;
}

.theme-toggle {
  width: 36px; height: 36px; border-radius: var(--radius-sm); border: 1px solid var(--glass-border);
  background: var(--glass-bg); cursor: pointer; position: relative; overflow: hidden;
  transition: border-color var(--speed) var(--ease), background var(--speed) var(--ease);
}
.theme-toggle:hover { border-color: var(--glass-border-hover); background: var(--surface-hover); }
.theme-icon { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; font-size: 18px; transition: opacity var(--speed), transform var(--speed); }
[data-theme="dark"] .sun { opacity: 0; transform: rotate(-90deg) scale(0); }
[data-theme="dark"] .moon { opacity: 1; transform: rotate(0) scale(1); color: var(--accent-amber); }
[data-theme="light"] .sun { opacity: 1; transform: rotate(0) scale(1); color: var(--accent-amber); }
[data-theme="light"] .moon { opacity: 0; transform: rotate(90deg) scale(0); }

/* -- hero -- */
.hero {
  min-height: 90vh; display: flex; align-items: center; justify-content: center;
  padding: var(--sp-10) var(--sp-6); gap: var(--sp-10);
  position: relative; z-index: 1;
}
.hero-content { flex: 1; max-width: 520px; }
.hero-icon {
  width: 64px; height: 64px; vertical-align: middle; margin-right: var(--sp-3);
  filter: drop-shadow(0 0 12px rgba(176,184,200,0.3));
}
.hero-badge {
  display: inline-block; padding: var(--sp-1) var(--sp-4); border-radius: 50px;
  background: var(--surface); border: 1px solid var(--glass-border);
  font-size: 12px; font-weight: 500; color: var(--text-secondary);
  letter-spacing: 1px; text-transform: uppercase; margin-bottom: var(--sp-6);
}
.hero-title {
  font-family: var(--font-display); font-size: clamp(48px, 6vw, 72px);
  font-weight: 800; line-height: 1.05; margin-bottom: var(--sp-6);
}
.gradient-text {
  color: var(--brand-400);
}

.hero-subtitle { font-size: 17px; color: var(--text-secondary); line-height: 1.7; margin-bottom: var(--sp-8); max-width: 460px; }
.hero-actions { display: flex; gap: var(--sp-4); margin-bottom: var(--sp-7); flex-wrap: wrap; }

/* buttons */
.btn {
  display: inline-flex; align-items: center; gap: var(--sp-2); padding: var(--sp-3) var(--sp-6);
  border-radius: var(--radius-sm); font-size: 14px; font-weight: 600; text-decoration: none;
  transition: transform 0.15s var(--ease), box-shadow 0.15s var(--ease), background 0.15s var(--ease);
  cursor: pointer; border: none; position: relative; overflow: hidden;
}
.btn:active { transform: scale(0.97); }
.btn-primary {
  background: linear-gradient(var(--grad-angle), var(--brand-500), var(--accent-blue));
  color: #fff; box-shadow: 0 4px 16px rgba(176,184,200,0.3);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 6px 24px rgba(176,184,200,0.45); }
.btn-download {
  --btn-w: 220px;
  background: linear-gradient(var(--grad-angle), var(--brand-500), var(--accent-blue));
  color: #fff; font-size: 16px; padding: var(--sp-4) var(--sp-8);
  border-radius: var(--radius-sm); box-shadow: 0 4px 20px rgba(176,184,200,0.35);
  width: var(--btn-w);
}
.btn-download.btn-sm {
  --btn-w: 170px;
  font-size: 12px; padding: var(--sp-2) var(--sp-5); margin-top: var(--sp-4);
  box-shadow: 0 2px 12px rgba(176,184,200,0.25);
}
.btn-download:hover {
  background-image: linear-gradient(
    to right,
    var(--brand-400),
    var(--brand-400) 16.65%,
    var(--accent-blue) 16.65%,
    var(--accent-blue) 33.3%,
    var(--accent-emerald) 33.3%,
    var(--accent-emerald) 49.95%,
    var(--brand-400) 49.95%,
    var(--brand-400) 66.6%,
    var(--accent-rose) 66.6%,
    var(--accent-rose) 83.25%,
    var(--accent-amber) 83.25%,
    var(--accent-amber) 100%,
    var(--brand-400) 100%
  );
  animation: btnSlide 2s linear infinite;
  transform: scale(1.08) translateY(-2px);
  box-shadow: 0 8px 32px rgba(176,184,200,0.5);
}
@keyframes btnSlide { to { background-position: var(--btn-w); } }
.btn-arrow { transition: transform 0.15s; }
.btn-primary:hover .btn-arrow { transform: translateX(4px); }
.btn-glass {
  background: var(--glass-bg); border: 1px solid var(--glass-border); color: var(--text-primary);
  backdrop-filter: blur(8px);
}
.btn-glass:hover { background: var(--surface-hover); border-color: var(--glass-border-hover); transform: translateY(-2px); }

.hero-version { font-size: 13px; color: var(--text-muted); display: flex; align-items: center; gap: var(--sp-2); }
.version-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent-emerald); box-shadow: 0 0 8px var(--accent-emerald); animation: pulse 2s ease infinite; }
@keyframes pulse { 0%,100% { box-shadow: 0 0 8px var(--accent-emerald); } 50% { box-shadow: 0 0 20px var(--accent-emerald); } }

/* hero visual */
.hero-visual { flex: 1; max-width: 420px; position: relative; min-height: 360px; }
.hero-card { padding: var(--sp-2); position: absolute; }
.hero-gif {
  display: block; width: 100%; height: auto;
  border-radius: calc(var(--radius-md) - 2px);
  object-fit: cover;
}
.hero-card-1 {
  top: 0; left: 0; width: 240px;
  animation: float 5s ease-in-out infinite;
}
.hero-card-2 {
  top: 120px; right: 0; width: 200px;
  animation: float 5s ease-in-out infinite 1s;
}
.hero-card-3 {
  bottom: 0; left: 40px; width: 180px;
  animation: float 5s ease-in-out infinite 2s;
}
@keyframes float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }

.card-icon { font-size: 28px; margin-bottom: var(--sp-2); }
.card-timer { font-family: var(--font-display); font-size: 36px; font-weight: 700; color: var(--accent-blue); text-shadow: 0 0 20px rgba(56,189,248,0.3); }
.card-label { font-size: 12px; color: var(--text-muted); margin-top: var(--sp-1); }
.card-bar { height: 4px; background: var(--surface); border-radius: 2px; margin-top: var(--sp-3); overflow: hidden; }
.card-bar-fill { height: 100%; background: linear-gradient(90deg, var(--accent-emerald), var(--accent-amber)); border-radius: 2px; transform-origin: left; transition: transform 1s var(--ease); }
.card-mini-title { font-size: 13px; font-weight: 600; margin-bottom: var(--sp-3); }
.card-tags { display: flex; gap: var(--sp-2); flex-wrap: wrap; }
.tag {
  padding: 2px var(--sp-3); border-radius: 50px; font-size: 11px; font-weight: 600;
  border: 1px solid; letter-spacing: 0.5px;
}
.tag-grnt { color: #006878; border-color: rgba(0,104,120,0.3); background: rgba(0,104,120,0.1); }
.tag-nogrnt { color: #c0392b; border-color: rgba(192,57,43,0.3); background: rgba(192,57,43,0.1); }
.tag-misc { color: #2c3e50; border-color: rgba(44,62,80,0.3); background: rgba(44,62,80,0.1); }
[data-theme="dark"] .tag-grnt { color: #5eead4; border-color: rgba(94,234,212,0.3); background: rgba(94,234,212,0.08); }
[data-theme="dark"] .tag-nogrnt { color: #fca5a5; border-color: rgba(252,165,165,0.3); background: rgba(252,165,165,0.08); }
[data-theme="dark"] .tag-misc { color: #a5b4c8; border-color: rgba(165,180,200,0.3); background: rgba(165,180,200,0.08); }

.card-stat-row { text-align: center; }
.card-stat-num { font-family: var(--font-display); font-size: 40px; font-weight: 700; color: var(--brand-400); }
.card-stat-label { display: block; font-size: 12px; color: var(--text-muted); margin-top: var(--sp-1); }

/* -- sections -- */
.section { padding: var(--sp-10) 0; position: relative; z-index: 1; }
.section-alt { background: var(--bg-secondary); transition: background var(--speed) var(--ease); }
.section-header { text-align: center; margin-bottom: var(--sp-9); }
.section-badge {
  display: inline-block; padding: var(--sp-1) var(--sp-4); border-radius: 50px;
  background: var(--surface); border: 1px solid var(--glass-border);
  font-size: 12px; font-weight: 600; color: var(--brand-400);
  letter-spacing: 2px; text-transform: uppercase; margin-bottom: var(--sp-4);
}
.section-title { font-family: var(--font-display); font-size: clamp(28px, 4vw, 42px); font-weight: 700; line-height: 1.2; }
.section-desc { font-size: 16px; color: var(--text-secondary); margin-top: var(--sp-4); max-width: 500px; margin-inline: auto; }

/* -- tools grid -- */
.tools-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--sp-7); }
.tool-card { padding: var(--sp-7); transition: transform var(--speed) var(--ease), border-color var(--speed) var(--ease), box-shadow var(--speed) var(--ease); }
.tool-header { display: flex; align-items: center; gap: var(--sp-4); margin-bottom: var(--sp-5); }
.tool-icon-wrap {
  width: 48px; height: 48px;
  display: flex; align-items: center; justify-content: center; font-size: 24px;
}
.tool-icon-wrap.icon-emerald { background: none; }
.tool-header-icon { width: 28px; height: 28px; }
.tool-icon { line-height: 1; }
.tool-screenshot {
  display: block; max-width: 100%; border-radius: var(--radius-sm);
  box-shadow: var(--shadow-sm); margin-bottom: var(--sp-5);
}
.tool-name { font-family: var(--font-display); font-size: 22px; font-weight: 700; }
.tool-version { font-size: 12px; color: var(--text-muted); font-weight: 500; }
.tool-desc { font-size: 14px; color: var(--text-secondary); line-height: 1.7; margin-bottom: var(--sp-5); }
.tool-features { list-style: none; display: flex; flex-direction: column; gap: var(--sp-3); margin-bottom: var(--sp-6); }
.tool-features li { font-size: 13px; color: var(--text-secondary); display: flex; align-items: center; gap: var(--sp-3); }
.feat-icon { color: var(--accent-emerald); font-weight: 700; font-size: 14px; }
.tool-profiles { display: flex; gap: var(--sp-2); flex-wrap: wrap; }
.profile-badge {
  padding: var(--sp-1) var(--sp-3); border-radius: 50px; font-size: 11px; font-weight: 600;
  background: rgba(176,184,200,0.1); border: 1px solid rgba(176,184,200,0.2); color: var(--brand-400);
}
.profile-badge.badge-grnt { background: rgba(0,104,120,0.1); border-color: rgba(0,104,120,0.2); color: var(--accent-emerald); }
.profile-badge.badge-nogrnt { background: rgba(248,113,113,0.1); border-color: rgba(248,113,113,0.2); color: var(--accent-rose); }
.profile-badge.badge-misc { background: rgba(160,160,184,0.1); border-color: rgba(160,160,184,0.2); color: var(--text-secondary); }

/* -- features grid -- */
.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--sp-6); }
.feature-card {
  padding: var(--sp-7) var(--sp-6); text-align: center;
  background: linear-gradient(135deg, rgba(255,255,255,0.06), rgba(255,255,255,0.12));
  border-top: 1px solid rgba(255,255,255,0.2);
  border-left: 1px solid rgba(255,255,255,0.15);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 8px 32px rgba(0,0,0,0.3);
  transform-style: preserve-3d;
}
[data-theme="light"] .feature-card {
  background: linear-gradient(135deg, rgba(255,255,255,0.5), rgba(255,255,255,0.7));
  border-top-color: rgba(255,255,255,0.6);
  border-left-color: rgba(255,255,255,0.4);
  box-shadow: 0 8px 32px rgba(0,0,0,0.08);
}
.feature-card .js-tilt-glare { border-radius: var(--radius-md); }
.feature-name {
  font-family: var(--font-display); font-size: 20px; font-weight: 700;
  margin-bottom: var(--sp-3); line-height: 1.3; transform: translateZ(15px);
}
.feature-desc { font-size: 14px; color: var(--text-secondary); line-height: 1.7; transform: translateZ(10px); }

/* -- stats -- */
#stats { padding: 96px 0; }
.stats-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--sp-6); }
.stats-row-3 { grid-template-columns: repeat(3, 1fr); }
.stat-card { padding: var(--sp-7) var(--sp-5); text-align: center; }
.stat-card:hover { transform: translateY(-4px); }
.stat-number {
  font-family: var(--font-display); font-size: 48px; font-weight: 800;
  color: var(--brand-400);
}
.stat-text { -webkit-text-fill-color: unset; background: none; color: var(--brand-400); }
.stat-label { font-size: 13px; color: var(--text-muted); margin-top: var(--sp-2); }

/* -- install steps -- */
#install { padding: 96px 0; }
.install-steps { display: flex; align-items: center; justify-content: center; gap: var(--sp-6); }
.step-card { padding: var(--sp-7); text-align: center; flex: 1; max-width: 280px; }
.step-card:hover { transform: translateY(-4px); }
.step-num {
  width: 40px; height: 40px; border-radius: 50%; margin: 0 auto var(--sp-4);
  background: linear-gradient(var(--grad-angle), var(--brand-500), var(--accent-blue));
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display); font-weight: 700; font-size: 18px; color: #fff;
}
.step-title { font-family: var(--font-display); font-size: 16px; font-weight: 600; margin-bottom: var(--sp-3); }
.step-desc { font-size: 13px; color: var(--text-secondary); line-height: 1.6; }
.step-desc code {
  background: var(--surface); padding: 2px 6px; border-radius: 4px; font-size: 12px;
  border: 1px solid var(--glass-border);
}
.step-arrow { font-size: 24px; color: var(--text-muted); }

/* -- footer -- */
.footer {
  border-top: 1px solid var(--divider); padding: var(--sp-7) 0;
  position: relative; z-index: 1;
}
.footer-inner { display: flex; align-items: center; justify-content: space-between; }
.footer-brand { display: flex; align-items: center; gap: var(--sp-3); font-family: var(--font-display); font-weight: 600; font-size: 14px; }
.footer-copy { font-size: 13px; color: var(--text-muted); }

/* -- responsive -- */
@media (max-width: 900px) {
  .hero { flex-direction: column; text-align: center; min-height: auto; padding-top: var(--sp-9); }
  .hero-content { max-width: 100%; }
  .hero-subtitle { margin-inline: auto; }
  .hero-actions { justify-content: center; }
  .hero-version { justify-content: center; }
  .hero-visual { max-width: 340px; min-height: 320px; margin: 0 auto; }
  .tools-grid { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr 1fr; }
  .stats-row { grid-template-columns: 1fr 1fr; }
  .stats-row-3 { grid-template-columns: 1fr 1fr; }
  .install-steps { flex-direction: column; }
  .step-arrow { transform: rotate(90deg); }
  .nav-inner { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; }
  .nav-brand { justify-self: center; }
  .nav-links {
    display: none; position: absolute; top: 100%; left: 0; right: 0;
    flex-direction: column; gap: 0; padding: var(--sp-4) var(--sp-6);
    background: var(--surface); border-top: 1px solid var(--border);
    box-shadow: var(--shadow-lg);
  }
  .nav-links.open { display: flex; }
  .nav-links .nav-link { padding: var(--sp-3) 0; }
  .nav-glider { display: none; }
  .theme-toggle { justify-self: end; }
  .hamburger {
    display: flex; flex-direction: column; gap: 5px; background: none;
    border: none; cursor: pointer; padding: var(--sp-2); z-index: 10;
    justify-self: start;
  }
  .hamburger span {
    width: 22px; height: 2px; background: var(--text-primary);
    border-radius: 2px; transition: transform 0.3s var(--ease), opacity 0.3s var(--ease);
  }
  .hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .hamburger.open span:nth-child(2) { opacity: 0; }
  .hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
}
@media (max-width: 600px) {
  .features-grid { grid-template-columns: 1fr; }
  .stats-row { grid-template-columns: 1fr 1fr; }
  .footer-inner { flex-direction: column; gap: var(--sp-3); text-align: center; }
}

/* -- reduced motion -- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
  .particles, .blob { display: none !important; }
  .glass-card, .nav, .btn-glass { backdrop-filter: none !important; -webkit-backdrop-filter: none !important; }
  [data-tilt] { transform: none !important; }
}