/* ============================================
   DEN — Global Stylesheet
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Syne:wght@400;500;600;700;800&family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;1,9..40,300&display=swap');

/* ── Variables ── */
:root {
  --bg:          #080a0f;
  --bg-2:        #0d1018;
  --bg-3:        #111520;
  --surface:     rgba(255,255,255,0.04);
  --surface-2:   rgba(255,255,255,0.07);
  --border:      rgba(255,255,255,0.08);
  --border-2:    rgba(255,255,255,0.14);

  --text:        #f0f2f7;
  --text-2:      #8a909e;
  --text-3:      #545b6a;

  --accent:      #4f8eff;
  --accent-soft: rgba(79,142,255,0.12);
  --accent-glow: rgba(79,142,255,0.25);
  --accent-2:    #a78bfa;

  --radius-sm:   8px;
  --radius:      14px;
  --radius-lg:   22px;
  --radius-xl:   32px;

  --font-display: 'Syne', sans-serif;
  --font-body:    'DM Sans', sans-serif;

  --transition:  0.22s cubic-bezier(0.4,0,0.2,1);
  --shadow:      0 4px 24px rgba(0,0,0,0.5);
  --shadow-lg:   0 12px 60px rgba(0,0,0,0.7);
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  overflow-x: hidden;
}

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

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border-2); border-radius: 99px; }

/* ── Selection ── */
::selection { background: var(--accent-soft); color: var(--text); }

/* ── Typography ── */
h1, h2, h3, h4, h5 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.6rem, 6vw, 5rem); }
h2 { font-size: clamp(2rem, 4vw, 3.2rem); }
h3 { font-size: clamp(1.25rem, 2.5vw, 1.6rem); }
h4 { font-size: 1.1rem; font-weight: 600; }

p { color: var(--text-2); max-width: 60ch; }

/* ── Layout ── */
.container {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 32px;
}

section { padding: 100px 0; }

/* ── Utilities ── */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-soft);
  border: 1px solid rgba(79,142,255,0.2);
  padding: 5px 12px;
  border-radius: 99px;
}

.tag-dot {
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse 2s ease infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.7); }
}

.label {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-3);
}

.section-head {
  margin-bottom: 64px;
}

.section-head .label {
  margin-bottom: 14px;
}

.section-head h2 {
  margin-bottom: 16px;
}

.section-head p {
  font-size: 1.05rem;
}

/* ── Divider ── */
.divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border), transparent);
  margin: 0;
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  padding: 13px 26px;
  border-radius: var(--radius);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity var(--transition);
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 0 0 0 var(--accent-glow);
}

.btn-primary::before {
  background: rgba(255,255,255,0.12);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px var(--accent-glow);
}

.btn-primary:hover::before { opacity: 1; }

.btn-primary:active { transform: translateY(0); }

.btn-ghost {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-ghost::before {
  background: var(--surface-2);
}

.btn-ghost:hover {
  border-color: var(--border-2);
  transform: translateY(-1px);
}

.btn-ghost:hover::before { opacity: 1; }

.btn-disabled {
  background: var(--surface);
  color: var(--text-3);
  border: 1px solid var(--border);
  cursor: not-allowed;
  pointer-events: none;
}

.btn-lg {
  font-size: 1rem;
  padding: 16px 34px;
  border-radius: var(--radius);
}

.btn-sm {
  font-size: 0.8rem;
  padding: 9px 18px;
  border-radius: var(--radius-sm);
}

/* ── Icon in button ── */
.btn svg {
  flex-shrink: 0;
  transition: transform var(--transition);
}
.btn:hover svg { transform: translateX(2px); }

/* ── Navbar ── */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 20px 0;
  transition: background var(--transition), padding var(--transition), box-shadow var(--transition);
}

.navbar.scrolled {
  padding: 14px 0;
  background: rgba(8,10,15,0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 4px 40px rgba(0,0,0,0.4);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 10px;
  transition: opacity var(--transition);
}

.nav-logo:hover { opacity: 0.8; }

.logo-mark {
  width: 32px;
  height: 32px;
  background: var(--accent);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  font-weight: 800;
  color: #fff;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-links a {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-2);
  padding: 7px 14px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  position: relative;
}

.nav-links a:hover {
  color: var(--text);
  background: var(--surface);
}

.nav-links a.active {
  color: var(--text);
  background: var(--surface-2);
}

.nav-cta {
  display: flex;
  align-items: center;
  gap: 10px;
}

/* Hamburger */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background var(--transition);
}

.nav-hamburger:hover { background: var(--surface); }

.nav-hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: var(--transition);
}

.nav-hamburger.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-hamburger.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile menu */
.nav-mobile {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(8,10,15,0.97);
  backdrop-filter: blur(24px);
  z-index: 999;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.nav-mobile.open {
  display: flex;
  opacity: 1;
  pointer-events: all;
}

.nav-mobile a {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-2);
  transition: var(--transition);
}

.nav-mobile a:hover,
.nav-mobile a.active { color: var(--text); }

.nav-mobile .nav-mobile-cta {
  margin-top: 24px;
}

/* ── Hero ── */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 100px;
  position: relative;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero-glow {
  position: absolute;
  width: 700px;
  height: 700px;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.12;
}

.hero-glow-1 {
  background: var(--accent);
  top: -100px;
  right: -100px;
}

.hero-glow-2 {
  background: var(--accent-2);
  bottom: -200px;
  left: -200px;
  opacity: 0.08;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 80px;
  position: relative;
  z-index: 1;
}

.hero-content {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.hero-badge {
  align-self: flex-start;
}

.hero-title {
  font-size: clamp(3rem, 6.5vw, 5.4rem);
  line-height: 1.05;
  letter-spacing: -0.03em;
}

.hero-title span {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-2) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--text-2);
  max-width: 50ch;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.hero-note {
  font-size: 0.78rem;
  color: var(--text-3);
  margin-top: 4px;
}

/* Hero visual */
.hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-device {
  position: relative;
  width: 280px;
  margin: 0 auto;
}

.device-frame {
  background: linear-gradient(145deg, #1a1e2e 0%, #0d111c 100%);
  border: 1px solid var(--border-2);
  border-radius: 36px;
  padding: 20px 16px;
  box-shadow: 0 40px 100px rgba(0,0,0,0.7), inset 0 1px 0 rgba(255,255,255,0.06);
  position: relative;
  overflow: hidden;
}

.device-frame::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
}

.device-notch {
  width: 80px;
  height: 24px;
  background: #080a0f;
  border-radius: 0 0 16px 16px;
  margin: 0 auto 20px;
}

.device-screen {
  background: var(--bg-3);
  border-radius: 20px;
  overflow: hidden;
  aspect-ratio: 9/16;
  max-height: 440px;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.screen-header {
  padding: 16px 16px 12px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.screen-logo {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 800;
  color: var(--text);
}

.screen-dots {
  display: flex;
  gap: 4px;
}

.screen-dots span {
  width: 6px;
  height: 6px;
  background: var(--border-2);
  border-radius: 50%;
}

.screen-body {
  flex: 1;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  overflow: hidden;
}

.screen-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px;
}

.screen-card-title {
  font-size: 0.65rem;
  color: var(--text-3);
  margin-bottom: 6px;
  font-weight: 500;
}

.screen-card-val {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text);
}

.screen-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.screen-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  background: var(--surface);
  border-radius: 10px;
  border: 1px solid var(--border);
}

.screen-item-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.screen-item-text {
  font-size: 0.62rem;
  color: var(--text-2);
  font-weight: 500;
  line-height: 1.3;
}

.hero-device-glow {
  position: absolute;
  width: 400px;
  height: 400px;
  background: var(--accent);
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.08;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: -1;
}

.hero-float-tag {
  position: absolute;
  background: var(--bg-3);
  border: 1px solid var(--border-2);
  border-radius: var(--radius);
  padding: 10px 16px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-2);
  box-shadow: var(--shadow);
  animation: float 5s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.hero-float-tag-1 { top: 10%; right: -30px; animation-delay: 0s; }
.hero-float-tag-2 { bottom: 15%; left: -40px; animation-delay: 2.5s; }

.float-icon {
  width: 24px;
  height: 24px;
  background: var(--accent-soft);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
}

/* ── Features ── */
.features {
  background: var(--bg-2);
  position: relative;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 30px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--accent-soft) 0%, transparent 60%);
  opacity: 0;
  transition: opacity var(--transition);
  border-radius: inherit;
}

.feature-card:hover {
  border-color: var(--border-2);
  transform: translateY(-4px);
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}

.feature-card:hover::before { opacity: 1; }

.feature-icon {
  width: 48px;
  height: 48px;
  background: var(--accent-soft);
  border: 1px solid rgba(79,142,255,0.2);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  margin-bottom: 24px;
  position: relative;
  z-index: 1;
}

.feature-card h3 {
  font-size: 1.15rem;
  margin-bottom: 10px;
  position: relative;
  z-index: 1;
}

.feature-card p {
  font-size: 0.9rem;
  line-height: 1.7;
  position: relative;
  z-index: 1;
}

/* ── Philosophy ── */
.philosophy {
  position: relative;
}

.philosophy-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.philosophy-visual {
  position: relative;
}

.phil-box {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 48px;
  position: relative;
  overflow: hidden;
}

.phil-box::after {
  content: 'DEN';
  position: absolute;
  bottom: -30px;
  right: -10px;
  font-family: var(--font-display);
  font-size: 9rem;
  font-weight: 800;
  color: rgba(255,255,255,0.02);
  letter-spacing: -0.05em;
  pointer-events: none;
  line-height: 1;
}

.phil-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.phil-stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.phil-stat-num {
  font-family: var(--font-display);
  font-size: 2.4rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--text) 0%, var(--text-2) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.04em;
}

.phil-stat-label {
  font-size: 0.8rem;
  color: var(--text-3);
  font-weight: 500;
}

.philosophy-content {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.philosophy-content p {
  font-size: 1.05rem;
  line-height: 1.8;
}

.philosophy-points {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.phil-point {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 18px 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: var(--transition);
}

.phil-point:hover {
  border-color: var(--border-2);
  background: var(--surface-2);
}

.phil-point-icon {
  color: var(--accent);
  margin-top: 2px;
  flex-shrink: 0;
}

.phil-point h4 {
  margin-bottom: 4px;
  font-size: 0.95rem;
}

.phil-point p {
  font-size: 0.85rem;
  max-width: none;
}

/* ── Download preview ── */
.download-preview {
  background: var(--bg-2);
  position: relative;
  overflow: hidden;
}

.dl-preview-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.dl-card {
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 40px;
  position: relative;
  overflow: hidden;
  transition: var(--transition);
}

.dl-card:hover {
  border-color: var(--border-2);
}

.dl-card-status {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 24px;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.status-dot.green { background: #22c55e; box-shadow: 0 0 8px #22c55e; animation: pulse 2s ease infinite; }
.status-dot.amber { background: #f59e0b; }

.status-text {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-2);
}

.dl-card h3 {
  margin-bottom: 10px;
}

.dl-card p {
  font-size: 0.9rem;
  margin-bottom: 28px;
}

.dl-card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 28px;
}

.meta-chip {
  font-size: 0.75rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 99px;
  padding: 4px 12px;
  color: var(--text-3);
  font-weight: 500;
}

/* ── Windows Coming Soon ── */
.windows-section {
  position: relative;
  overflow: hidden;
}

.windows-inner {
  background: linear-gradient(135deg, var(--bg-2) 0%, rgba(79,142,255,0.04) 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 80px 60px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.windows-inner::before {
  content: '';
  position: absolute;
  top: -50%;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 300px;
  background: var(--accent);
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.04;
}

.windows-icon {
  width: 64px;
  height: 64px;
  background: var(--surface);
  border: 1px solid var(--border-2);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 28px;
  color: var(--text-2);
}

.windows-inner h2 {
  margin-bottom: 14px;
}

.windows-inner p {
  margin: 0 auto 36px;
  max-width: 48ch;
  font-size: 1rem;
}

.windows-coming {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--surface);
  border: 1px solid var(--border-2);
  border-radius: var(--radius);
  padding: 14px 28px;
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-3);
}

/* ── Trust / FAQ ── */
.trust {
  background: var(--bg-2);
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.trust-item {
  padding: 28px 24px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  text-align: center;
  transition: var(--transition);
}

.trust-item:hover {
  border-color: var(--border-2);
  transform: translateY(-3px);
}

.trust-item .trust-icon {
  width: 40px;
  height: 40px;
  background: var(--accent-soft);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  color: var(--accent);
}

.trust-item h4 { font-size: 0.95rem; margin-bottom: 6px; }
.trust-item p { font-size: 0.82rem; max-width: none; }

/* ── Page Banner (inner pages) ── */
.page-banner {
  padding: 140px 0 80px;
  background: var(--bg);
  position: relative;
  overflow: hidden;
}

.page-banner-glow {
  position: absolute;
  width: 500px;
  height: 300px;
  background: var(--accent);
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.07;
  top: 0;
  right: 0;
}

.page-banner .label {
  margin-bottom: 12px;
}

.page-banner h1 {
  margin-bottom: 14px;
}

.page-banner p {
  font-size: 1.05rem;
  max-width: 52ch;
}

/* ── Download page ── */
.download-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  margin-bottom: 80px;
}

.dl-full-card {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 44px 40px;
  position: relative;
  overflow: hidden;
  transition: var(--transition);
}

.dl-full-card.featured {
  border-color: rgba(79,142,255,0.3);
  background: linear-gradient(145deg, rgba(79,142,255,0.06) 0%, var(--bg-2) 100%);
}

.dl-full-card.featured::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
}

.dl-full-card:hover {
  border-color: var(--border-2);
}

.dl-platform-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  color: var(--text-2);
}

.dl-full-card h3 {
  margin-bottom: 8px;
}

.dl-full-card .version {
  font-size: 0.78rem;
  color: var(--text-3);
  margin-bottom: 16px;
  display: block;
}

.dl-full-card > p {
  font-size: 0.92rem;
  margin-bottom: 28px;
  max-width: none;
}

.dl-full-card .btn {
  width: 100%;
  justify-content: center;
  margin-bottom: 14px;
}

.dl-note {
  font-size: 0.78rem;
  color: var(--text-3);
  text-align: center;
}

.install-steps {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 52px;
  margin-bottom: 48px;
}

.install-steps h3 {
  margin-bottom: 36px;
}

.steps-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  counter-reset: steps;
}

.step-item {
  display: flex;
  gap: 24px;
  align-items: flex-start;
  padding: 24px 0;
  border-bottom: 1px solid var(--border);
  counter-increment: steps;
}

.step-item:last-child { border-bottom: none; }

.step-num {
  width: 36px;
  height: 36px;
  background: var(--accent-soft);
  border: 1px solid rgba(79,142,255,0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent);
  flex-shrink: 0;
}

.step-item h4 { margin-bottom: 5px; }
.step-item p { font-size: 0.88rem; max-width: none; }

.trust-note {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 20px 28px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.88rem;
  color: var(--text-2);
}

.trust-note svg { color: var(--accent); flex-shrink: 0; }

/* ── About page ── */
.about-intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  padding: 80px 0 100px;
}

.about-stat-row {
  display: flex;
  gap: 40px;
  margin-top: 36px;
}

.about-stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.about-stat-val {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.04em;
}

.about-stat-lbl {
  font-size: 0.78rem;
  color: var(--text-3);
  font-weight: 500;
}

.about-story {
  background: var(--bg-2);
  padding: 100px 0;
}

.story-inner {
  max-width: 780px;
}

.story-inner h2 { margin-bottom: 28px; }
.story-inner p {
  font-size: 1.05rem;
  margin-bottom: 20px;
  max-width: none;
}

.about-values {
  padding: 100px 0;
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.value-card {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 30px;
  transition: var(--transition);
}

.value-card:hover {
  border-color: var(--border-2);
  transform: translateY(-4px);
}

.value-num {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 800;
  color: rgba(79,142,255,0.15);
  line-height: 1;
  margin-bottom: 20px;
  letter-spacing: -0.04em;
}

.value-card h3 { margin-bottom: 10px; font-size: 1.1rem; }
.value-card p { font-size: 0.9rem; max-width: none; }

.about-vision {
  background: var(--bg-2);
  padding: 100px 0;
}

.vision-inner {
  background: linear-gradient(135deg, rgba(79,142,255,0.07) 0%, var(--bg-3) 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 64px;
  position: relative;
  overflow: hidden;
}

.vision-inner::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent) 40%, var(--accent-2) 60%, transparent);
}

.vision-inner h2 { margin-bottom: 20px; }
.vision-inner p { font-size: 1.05rem; margin-bottom: 16px; max-width: none; }
.vision-inner p:last-of-type { margin-bottom: 32px; }

/* ── Legal pages (Privacy, Terms) ── */
.legal-page {
  padding: 40px 0 100px;
}

.legal-content {
  max-width: 820px;
}

.legal-content h2 {
  font-size: 1.6rem;
  margin-top: 52px;
  margin-bottom: 16px;
  padding-top: 52px;
  border-top: 1px solid var(--border);
}

.legal-content h2:first-of-type {
  margin-top: 0;
  padding-top: 0;
  border-top: none;
}

.legal-content h3 {
  font-size: 1.05rem;
  margin-top: 28px;
  margin-bottom: 10px;
  color: var(--text);
}

.legal-content p {
  font-size: 0.95rem;
  line-height: 1.8;
  margin-bottom: 14px;
  max-width: none;
}

.legal-content ul {
  margin: 14px 0;
  padding-left: 20px;
  list-style: disc;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.legal-content ul li {
  font-size: 0.95rem;
  color: var(--text-2);
  line-height: 1.7;
}

.legal-updated {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  color: var(--text-3);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 99px;
  padding: 6px 14px;
  margin-bottom: 52px;
}

/* ── Contact page ── */
.contact-grid {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: 60px;
  align-items: start;
  padding-bottom: 100px;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.contact-info h2 { margin-bottom: 10px; }
.contact-info > p {
  font-size: 1rem;
  max-width: none;
}

.contact-methods {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.contact-method {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 18px 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: var(--transition);
  text-decoration: none;
}

.contact-method:hover {
  border-color: var(--border-2);
  background: var(--surface-2);
}

.contact-method-icon {
  width: 40px;
  height: 40px;
  background: var(--accent-soft);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  flex-shrink: 0;
}

.contact-method-label {
  font-size: 0.75rem;
  color: var(--text-3);
  font-weight: 500;
  margin-bottom: 2px;
}

.contact-method-val {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text);
}

.contact-socials h4 { margin-bottom: 14px; }

.social-links {
  display: flex;
  gap: 10px;
}

.social-link {
  width: 40px;
  height: 40px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-3);
  transition: var(--transition);
}

.social-link:hover {
  background: var(--surface-2);
  border-color: var(--border-2);
  color: var(--text);
}

/* Contact form */
.contact-form-wrap {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 44px 40px;
}

.contact-form-wrap h3 {
  margin-bottom: 8px;
  font-size: 1.3rem;
}

.form-note {
  font-size: 0.82rem;
  color: var(--text-3);
  margin-bottom: 32px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 13px 16px;
  font-family: var(--font-body);
  font-size: 0.92rem;
  color: var(--text);
  transition: var(--transition);
  outline: none;
  -webkit-appearance: none;
  appearance: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-3);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  background: var(--surface-2);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-submit-wrap {
  margin-top: 28px;
}

.form-success {
  display: none;
  text-align: center;
  padding: 24px;
  background: rgba(34,197,94,0.08);
  border: 1px solid rgba(34,197,94,0.2);
  border-radius: var(--radius);
  color: #86efac;
  font-size: 0.9rem;
}

/* ── Footer ── */
footer {
  background: var(--bg);
  border-top: 1px solid var(--border);
  padding: 64px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 52px;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.footer-brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 800;
}

.footer-brand p {
  font-size: 0.88rem;
  max-width: 28ch;
}

.footer-col h5 {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 18px;
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col ul li a {
  font-size: 0.88rem;
  color: var(--text-2);
  transition: color var(--transition);
}

.footer-col ul li a:hover { color: var(--text); }

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 28px;
  border-top: 1px solid var(--border);
}

.footer-bottom p {
  font-size: 0.8rem;
  color: var(--text-3);
  max-width: none;
}

.footer-bottom-links {
  display: flex;
  gap: 20px;
}

.footer-bottom-links a {
  font-size: 0.8rem;
  color: var(--text-3);
  transition: color var(--transition);
}

.footer-bottom-links a:hover { color: var(--text); }

/* ── Scroll reveal ── */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.6s cubic-bezier(0.4,0,0.2,1), transform 0.6s cubic-bezier(0.4,0,0.2,1);
}

.reveal.visible {
  opacity: 1;
  transform: none;
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }
.reveal-delay-5 { transition-delay: 0.5s; }

/* ── Responsive ── */
@media (max-width: 1024px) {
  .hero-grid { gap: 48px; }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .trust-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
  .philosophy-inner { gap: 48px; }
  .dl-preview-grid { gap: 48px; }
}

@media (max-width: 768px) {
  section { padding: 72px 0; }
  .container { padding: 0 20px; }

  .nav-links, .nav-cta { display: none; }
  .nav-hamburger { display: flex; }

  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 60px;
  }

  .hero-badge { align-self: center; }
  .hero-sub { margin: 0 auto; }
  .hero-actions { justify-content: center; }

  .hero-float-tag-1 { display: none; }
  .hero-float-tag-2 { display: none; }

  .hero-device { width: 220px; }

  .features-grid { grid-template-columns: 1fr; }
  .philosophy-inner { grid-template-columns: 1fr; gap: 48px; }
  .dl-preview-grid { grid-template-columns: 1fr; gap: 40px; }
  .trust-grid { grid-template-columns: repeat(2, 1fr); }
  .about-intro { grid-template-columns: 1fr; gap: 48px; }
  .about-stat-row { gap: 28px; }
  .values-grid { grid-template-columns: 1fr; }
  .download-cards { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; gap: 48px; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; gap: 16px; text-align: center; }
  .windows-inner { padding: 52px 28px; }
  .install-steps { padding: 36px 24px; }
  .vision-inner { padding: 40px 28px; }
  .phil-stats { grid-template-columns: 1fr 1fr; }
  .phil-box { padding: 36px 28px; }
}

@media (max-width: 480px) {
  h1 { font-size: 2.2rem; }
  h2 { font-size: 1.8rem; }
  .footer-grid { grid-template-columns: 1fr; }
  .trust-grid { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; align-items: center; }
  .hero-actions .btn { width: 100%; justify-content: center; }
  .dl-full-card { padding: 32px 24px; }
  .contact-form-wrap { padding: 32px 24px; }
}