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

:root {
  --bg: #f4f3ef;
  --bg-card: #ffffff;
  --bg-dark: #18181b;
  --bg-dark2: #27272a;
  --primary: #18181b;
  --primary-light: #3f3f46;
  --primary-dark: #000000;
  --accent: #10b981;
  --accent2: #f59e0b;
  --accent3: #8b5cf6;
  --text: #111827;
  --text-muted: #6b7280;
  --text-light: #9ca3af;
  --border: rgba(0,0,0,0.07);
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 20px rgba(0,0,0,0.08), 0 2px 8px rgba(0,0,0,0.04);
  --shadow-lg: 0 20px 60px rgba(0,0,0,0.10), 0 8px 24px rgba(0,0,0,0.06);
  --radius: 16px;
  --radius-sm: 10px;
  --font: 'Outfit', sans-serif;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  overflow-x: hidden;
  line-height: 1.6;
}

/* ── NAV ── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 0 5vw;
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(243,244,246,0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow .3s;
}
nav.scrolled { box-shadow: var(--shadow-md); }

.nav-logo {
  display: flex; align-items: center; gap: 10px;
  font-size: 1.25rem; font-weight: 800;
  color: var(--text); text-decoration: none;
  letter-spacing: -0.03em;
}
.nav-logo .dot { color: var(--primary); }
.logo-icon {
  width: 36px; height: 36px;
  display: grid; place-items: center;
}
.logo-icon img { width: 100%; height: 100%; object-fit: contain; }

.nav-links {
  display: flex; gap: 2rem; list-style: none;
}

.nav-links a {
  text-decoration: none; color: var(--text-muted);
  font-size: .9rem; font-weight: 500;
  transition: color .2s;
}
.nav-links a:hover { color: var(--primary); }

.nav-cta {
  display: flex; gap: .75rem; align-items: center;
}
.btn {
  font-family: var(--font);
  font-weight: 600; font-size: .875rem;
  padding: .6rem 1.25rem;
  border-radius: 50px;
  border: none; cursor: pointer;
  transition: all .2s;
  text-decoration: none;
  display: inline-flex; align-items: center; gap: .4rem;
}
.btn-ghost {
  background: transparent; color: var(--text-muted);
}
.btn-ghost:hover { color: var(--primary); }
.btn-primary {
  background: var(--primary); color: white;
  box-shadow: 0 4px 14px rgba(24,24,27,.25);
}
.btn-primary:hover {
  background: var(--primary-dark);
  box-shadow: 0 6px 20px rgba(24,24,27,.35);
  transform: translateY(-1px);
}
.btn-lg {
  font-size: 1rem; padding: .85rem 2rem; border-radius: 50px;
}
.btn-outline {
  background: white; color: var(--primary);
  border: 2px solid var(--primary);
}
.btn-outline:hover { background: var(--primary); color: white; }

.hamburger {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: none; cursor: pointer; padding: 4px;
}
.hamburger span {
  display: block; width: 24px; height: 2px;
  background: var(--text); border-radius: 2px;
  transition: all .3s;
}

/* Mobile menu */
.mobile-menu {
  display: none;
  position: fixed;
  top: 68px; left: 0; right: 0;
  background: white;
  padding: 1.5rem 5vw 2rem;
  flex-direction: column; gap: 1rem;
  z-index: 99;
  box-shadow: var(--shadow-lg);
  border-bottom-left-radius: var(--radius);
  border-bottom-right-radius: var(--radius);
}
.mobile-menu.open { display: flex; }
.mobile-menu a {
  text-decoration: none; color: var(--text);
  font-size: 1rem; font-weight: 500; padding: .5rem 0;
  border-bottom: 1px solid var(--border);
}

/* ── HERO ── */
.hero {
  min-height: 100vh;
  padding: 120px 5vw 80px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero-bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% -10%, rgba(24,24,27,.06) 0%, transparent 70%),
    radial-gradient(ellipse 50% 40% at 80% 80%, rgba(16,185,129,.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero-badge {
  display: inline-flex; align-items: center; gap: .5rem;
  background: white;
  border: 1px solid var(--border);
  border-radius: 50px;
  padding: .4rem 1rem;
  font-size: .8rem;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 2rem;
  box-shadow: var(--shadow-sm);
  animation: fadeUp .6s ease both;
}
.hero-badge .badge-dot {
  width: 7px; height: 7px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: .5; transform: scale(1.4); }
}

.hero h1 {
  font-size: clamp(2.4rem, 6vw, 5rem);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -0.04em;
  color: var(--text);
  max-width: 800px;
  animation: fadeUp .7s .1s ease both;
}
.hero h1 .highlight {
  color: var(--accent);
  position: relative;
}
.hero h1 .highlight::after {
  content: '';
  position: absolute;
  bottom: 0px; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--accent), var(--primary-light));
  border-radius: 2px;
}

.hero p {
  max-width: 540px;
  font-size: 1.125rem;
  color: var(--text-muted);
  margin: 1.5rem auto 0;
  animation: fadeUp .7s .2s ease both;
  line-height: 1.7;
}

.hero-actions {
  display: flex; gap: 1rem;
  margin-top: 2.5rem;
  flex-wrap: wrap;
  justify-content: center;
  animation: fadeUp .7s .3s ease both;
}

.hero-stats {
  display: flex; gap: 3rem;
  margin-top: 4rem;
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeUp .7s .4s ease both;
}
.stat { text-align: center; }
.stat-num {
  font-size: 2rem; font-weight: 800;
  color: var(--text); letter-spacing: -0.04em;
}
.stat-label {
  font-size: .8rem; color: var(--text-muted);
  font-weight: 500; margin-top: .2rem;
}
.stat-sep {
  width: 1px; background: var(--border);
  align-self: stretch;
}

/* HERO VISUAL */
.hero-visual {
  margin-top: 4rem;
  width: 100%; max-width: 860px;
  animation: fadeUp .8s .5s ease both;
}

.mock-app {
  background: white;
  border-radius: 20px;
  box-shadow: var(--shadow-lg), 0 0 0 1px var(--border);
  overflow: hidden;
  position: relative;
}
.mock-topbar {
  background: white;
  border-bottom: 1px solid var(--border);
  padding: .8rem 1.25rem;
  display: flex; align-items: center; gap: .6rem;
}
.mock-dot { width: 10px; height: 10px; border-radius: 50%; }
.mock-dot.r { background: #ff5f57; }
.mock-dot.y { background: #ffbd2e; }
.mock-dot.g { background: #28c840; }
.mock-url {
  flex: 1; background: var(--bg);
  border-radius: 6px; height: 26px;
  margin: 0 .75rem;
  display: flex; align-items: center; padding: 0 .75rem;
  font-size: .7rem; color: var(--text-muted);
}

.mock-body {
  display: grid;
  grid-template-columns: 200px 1fr;
  min-height: 320px;
}
.mock-sidebar {
  background: var(--bg-dark);
  padding: 1.25rem .75rem;
  display: flex; flex-direction: column; gap: .3rem;
}
.mock-sidebar-logo {
  display: flex; align-items: center; gap: .5rem;
  padding: .5rem .6rem 1rem;
  font-size: .85rem; font-weight: 700; color: white;
}
.mock-sidebar-logo .icon {
  width: 26px; height: 26px; background: var(--primary);
  border-radius: 7px; display: grid; place-items: center;
  font-size: .65rem; color: white; font-weight: 800;
}
.mock-nav-item {
  display: flex; align-items: center; gap: .6rem;
  padding: .5rem .6rem;
  border-radius: 8px;
  font-size: .72rem; font-weight: 500; color: #94a3b8;
}
.mock-nav-item.active {
  background: rgba(255,255,255,.12); color: white;
}
.mock-nav-item .nav-icon {
  width: 18px; height: 18px;
  background: currentColor; opacity: .6;
  border-radius: 4px;
  display: grid; place-items: center; font-size: .55rem;
  opacity: 1;
}

.mock-content { padding: 1.25rem; display: flex; flex-direction: column; gap: 1rem; }
.mock-header {
  display: flex; justify-content: space-between; align-items: flex-start; gap: 1rem;
}
.mock-title { font-size: .9rem; font-weight: 700; color: var(--text); }
.mock-subtitle { font-size: .65rem; color: var(--text-muted); margin-top: 2px; }
.mock-btn {
  background: var(--primary); color: white;
  border-radius: 6px; padding: .3rem .7rem;
  font-size: .65rem; font-weight: 600; white-space: nowrap;
}

.mock-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: .6rem; }
.mock-card {
  background: var(--bg);
  border-radius: 10px; padding: .75rem;
}
.mock-card-label { font-size: .58rem; color: var(--text-muted); font-weight: 500; }
.mock-card-num { font-size: 1.3rem; font-weight: 800; color: var(--text); letter-spacing: -0.03em; margin-top: .1rem; }
.mock-card-sub { font-size: .55rem; color: var(--accent); font-weight: 600; margin-top: .1rem; }

.mock-table { width: 100%; }
.mock-table-row {
  display: flex; align-items: center; gap: .75rem;
  padding: .5rem .25rem;
  border-bottom: 1px solid var(--border);
  font-size: .65rem;
}
.mock-table-row:last-child { border: none; }
.mock-avatar {
  width: 22px; height: 22px; border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-light), var(--accent3));
  flex-shrink: 0;
}
.mock-avatar.g { background: linear-gradient(135deg, var(--accent), var(--primary-light)); }
.mock-avatar.o { background: linear-gradient(135deg, var(--accent2), #ef4444); }
.mock-tag {
  padding: .15rem .5rem; border-radius: 50px;
  font-size: .55rem; font-weight: 700; margin-left: auto;
}
.mock-tag.new { background: rgba(16,185,129,.12); color: var(--accent); }
.mock-tag.pend { background: rgba(245,158,11,.12); color: var(--accent2); }
.mock-tag.done { background: rgba(24,24,27,.1); color: var(--primary); }

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ── SECTION COMMONS ── */
section { padding: 100px 5vw; }
.section-label {
  display: inline-flex; align-items: center; gap: .5rem;
  font-size: .78rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: .1em;
  color: var(--accent); margin-bottom: 1rem;
}
.section-label::before {
  content: '';
  width: 20px; height: 3px;
  background: var(--accent); border-radius: 2px;
}
.section-title {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800; letter-spacing: -0.03em;
  line-height: 1.1; color: var(--text);
  max-width: 560px;
}
.section-desc {
  color: var(--text-muted); font-size: 1rem;
  max-width: 480px; margin-top: 1rem; line-height: 1.7;
}
.centered { text-align: center; }
.centered .section-label { margin: 0 auto 1rem; }
.centered .section-title, .centered .section-desc { max-width: 100%; margin-left: auto; margin-right: auto; }

/* ── FEATURES ── */
.features-bg {
  background: white;
}
.features-grid {
  margin-top: 4rem;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.feat-card {
  background: var(--bg);
  border-radius: var(--radius);
  padding: 2rem;
  position: relative;
  overflow: hidden;
  transition: transform .25s, box-shadow .25s;
  border: 1px solid var(--border);
}
.feat-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.feat-card.accent-green .feat-icon-wrap { background: rgba(16,185,129,.1); }
.feat-card.accent-green .feat-icon-wrap svg { color: var(--accent); }
.feat-card.accent-blue .feat-icon-wrap { background: rgba(24,24,27,.07); }
.feat-card.accent-blue .feat-icon-wrap svg { color: var(--primary); }
.feat-card.accent-purple .feat-icon-wrap { background: rgba(139,92,246,.1); }
.feat-card.accent-purple .feat-icon-wrap svg { color: var(--accent3); }
.feat-card.accent-amber .feat-icon-wrap { background: rgba(245,158,11,.1); }
.feat-card.accent-amber .feat-icon-wrap svg { color: var(--accent2); }
.feat-card.accent-red .feat-icon-wrap { background: rgba(239,68,68,.1); }
.feat-card.accent-red .feat-icon-wrap svg { color: #ef4444; }
.feat-card.accent-teal .feat-icon-wrap { background: rgba(20,184,166,.1); }
.feat-card.accent-teal .feat-icon-wrap svg { color: #14b8a6; }

.feat-icon-wrap {
  width: 48px; height: 48px; border-radius: 12px;
  display: grid; place-items: center; margin-bottom: 1.25rem;
}
.feat-icon-wrap svg { width: 24px; height: 24px; }
.feat-card h3 {
  font-size: 1.05rem; font-weight: 700;
  margin-bottom: .6rem; color: var(--text);
}
.feat-card p {
  font-size: .875rem; color: var(--text-muted); line-height: 1.65;
}
.feat-tag {
  margin-top: 1.25rem;
  display: inline-flex; align-items: center; gap: .35rem;
  font-size: .72rem; font-weight: 700;
  color: var(--primary);
}

/* ── HOW IT WORKS ── */
.how-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
  margin-top: 1rem;
}
.how-visual {
  display: flex; flex-direction: column; gap: 1rem;
}
.how-step {
  background: white;
  border-radius: var(--radius);
  padding: 1.5rem;
  display: flex; gap: 1.25rem; align-items: flex-start;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  transition: transform .25s, box-shadow .25s;
}
.how-step:hover { transform: translateX(6px); box-shadow: var(--shadow-md); }
.how-step-num {
  width: 40px; height: 40px; flex-shrink: 0;
  background: var(--primary); color: white;
  border-radius: 50%; display: grid; place-items: center;
  font-weight: 800; font-size: .95rem;
}
.how-step-num.g { background: var(--accent); }
.how-step-num.p { background: var(--accent3); }
.how-step h4 { font-size: .95rem; font-weight: 700; color: var(--text); }
.how-step p { font-size: .82rem; color: var(--text-muted); margin-top: .3rem; line-height: 1.6; }

/* notification preview */
.notif-preview {
  background: white;
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  border: 1px solid var(--border);
}
.notif-header {
  background: var(--bg-dark);
  padding: .75rem 1rem;
  display: flex; align-items: center; gap: .75rem;
  color: white;
}
.notif-avatar-circle {
  width: 36px; height: 36px; border-radius: 50%;
  background: var(--primary);
  display: grid; place-items: center;
  font-size: .75rem; font-weight: 700;
}
.notif-contact { font-size: .82rem; font-weight: 700; }
.notif-status { font-size: .68rem; opacity: .75; }
.notif-body { padding: 1rem; background: var(--bg); min-height: 160px; }
.notif-bubble {
  background: white;
  border-radius: 12px;
  padding: .75rem 1rem;
  max-width: 100%;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  font-size: .78rem; line-height: 1.6; color: var(--text);
}
.notif-bubble .notif-name { font-weight: 700; color: var(--primary); font-size: .75rem; margin-bottom: .3rem; }
.notif-time { font-size: .6rem; color: var(--text-light); margin-top: .4rem; text-align: right; }

.email-preview {
  background: white;
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  margin-top: 1rem;
}
.email-header {
  background: var(--bg);
  padding: .75rem 1rem;
  border-bottom: 1px solid var(--border);
}
.email-from { font-size: .72rem; color: var(--text-muted); }
.email-from strong { color: var(--text); }
.email-subject { font-size: .82rem; font-weight: 700; margin-top: .2rem; }
.email-body { padding: 1rem; font-size: .78rem; color: var(--text-muted); line-height: 1.7; }
.email-badge {
  display: inline-block;
  background: rgba(239,68,68,.1); color: #ef4444;
  font-size: .65rem; font-weight: 700;
  border-radius: 4px; padding: .15rem .4rem; margin-bottom: .5rem;
}

.notif-demo-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-top: 4rem;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

/* ── MODULES / PLANS ── */
.modules-bg { background: var(--bg-dark); }
.modules-bg .section-label { color: #6ee7b7; }
.modules-bg .section-title { color: white; }
.modules-bg .section-desc { color: #94a3b8; }

.modules-grid {
  margin-top: 4rem;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}
.module-card {
  background: var(--bg-dark2);
  border: 1px solid rgba(255,255,255,.06);
  border-radius: var(--radius);
  padding: 2rem;
  transition: border-color .25s, transform .25s;
}
.module-card:hover {
  border-color: rgba(255,255,255,.25);
  transform: translateY(-3px);
}
.module-header {
  display: flex; align-items: center; gap: 1rem; margin-bottom: 1.25rem;
}
.module-icon {
  width: 44px; height: 44px; border-radius: 12px;
  display: grid; place-items: center;
}
.module-icon svg { width: 22px; height: 22px; }
.module-icon.blue { background: rgba(255,255,255,.12); }
.module-icon.blue svg { color: #d4d4d8; }
.module-icon.green { background: rgba(16,185,129,.2); }
.module-icon.green svg { color: #6ee7b7; }
.module-icon.amber { background: rgba(245,158,11,.2); }
.module-icon.amber svg { color: #fcd34d; }
.module-icon.purple { background: rgba(139,92,246,.2); }
.module-icon.purple svg { color: #c4b5fd; }

.module-card h3 { font-size: 1rem; font-weight: 700; color: white; }
.module-card p { font-size: .82rem; color: #94a3b8; line-height: 1.65; margin-top: .4rem; }
.module-list { list-style: none; margin-top: 1.25rem; display: flex; flex-direction: column; gap: .5rem; }
.module-list li {
  display: flex; align-items: center; gap: .6rem;
  font-size: .8rem; color: #cbd5e1;
}
.module-list li::before {
  content: '✓';
  width: 18px; height: 18px;
  background: rgba(16,185,129,.15); color: var(--accent);
  border-radius: 50%; display: grid; place-items: center;
  font-size: .65rem; font-weight: 700; flex-shrink: 0;
}

/* ── CTA ── */
.cta-section {
  background: var(--primary);
  text-align: center;
  padding: 100px 5vw;
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 80% 80% at 50% 50%, rgba(255,255,255,.08) 0%, transparent 70%);
}
.cta-section h2 {
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 900; color: white;
  letter-spacing: -0.04em;
  position: relative;
}
.cta-section p {
  color: rgba(255,255,255,.75);
  font-size: 1.05rem; margin-top: 1rem;
  position: relative;
}
.cta-actions {
  display: flex; gap: 1rem;
  justify-content: center;
  margin-top: 2.5rem;
  flex-wrap: wrap;
  position: relative;
}
.btn-white {
  background: white; color: var(--primary);
  box-shadow: 0 4px 20px rgba(0,0,0,.15);
}
.btn-white:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(0,0,0,.2); }
.btn-transparent {
  background: rgba(255,255,255,.15); color: white;
  border: 2px solid rgba(255,255,255,.3);
}
.btn-transparent:hover { background: rgba(255,255,255,.25); }

/* ── FOOTER ── */
footer {
  background: var(--bg-dark);
  color: #94a3b8;
  padding: 60px 5vw 30px;
}
.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 3rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.footer-brand .nav-logo { color: white; margin-bottom: .75rem; }
.footer-brand .logo-icon { background: white; border-radius: 8px; padding: 3px; }
.footer-brand p { font-size: .82rem; line-height: 1.65; max-width: 240px; }
.footer-col h4 { font-size: .82rem; font-weight: 700; color: white; margin-bottom: 1rem; }
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: .5rem; }
.footer-col ul li a {
  text-decoration: none; font-size: .8rem; color: #64748b;
  transition: color .2s;
}
.footer-col ul li a:hover { color: white; }
.footer-bottom {
  display: flex; align-items: center; justify-content: space-between;
  padding-top: 2rem; font-size: .75rem;
  flex-wrap: wrap; gap: 1rem;
}
.footer-badge {
  display: inline-flex; align-items: center; gap: .4rem;
  background: rgba(255,255,255,.08); color: #d4d4d8;
  padding: .25rem .65rem; border-radius: 50px;
  font-size: .7rem; font-weight: 600;
}

/* ── APP SECTION ── */
.app-section {
  background: var(--bg-dark);
  overflow: hidden;
  position: relative;
}
.app-section-bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 20% 50%, rgba(255,255,255,.06) 0%, transparent 70%),
    radial-gradient(ellipse 50% 60% at 85% 30%, rgba(16,185,129,.14) 0%, transparent 70%);
  pointer-events: none;
}
.app-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: start;
  max-width: 1080px;
  margin: 0 auto;
}
.app-text .section-label { color: #6ee7b7; }
.app-text .section-label::before { background: #6ee7b7; }
.app-text .section-title { color: white; max-width: 460px; }
.app-text .section-desc { color: #94a3b8; max-width: 420px; }

.app-feature-list {
  margin-top: 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}
.app-feature {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}
.app-feature-icon {
  width: 40px; height: 40px; flex-shrink: 0;
  border-radius: 10px;
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.15);
  display: grid; place-items: center;
  color: white;
}
.app-feature-icon svg { width: 18px; height: 18px; }
.app-feature-text h4 { color: white; font-size: .95rem; font-weight: 700; margin-bottom: .25rem; }
.app-feature-text p { color: #94a3b8; font-size: .875rem; line-height: 1.55; }

.app-store-buttons {
  display: flex; gap: .75rem; flex-wrap: wrap;
  margin-top: 2.5rem;
}
.store-btn {
  display: flex; align-items: center; gap: .75rem;
  background: rgba(255,255,255,.07);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 12px;
  padding: .75rem 1.25rem;
  text-decoration: none;
  transition: all .2s;
  cursor: pointer;
}
.store-btn:hover {
  background: rgba(255,255,255,.13);
  border-color: rgba(255,255,255,.22);
  transform: translateY(-2px);
}
.store-btn-icon { width: 26px; height: 26px; flex-shrink: 0; }
.store-btn-text { color: white; }
.store-btn-text .store-label { font-size: .62rem; color: #94a3b8; text-transform: uppercase; letter-spacing: .07em; display: block; }
.store-btn-text .store-name { font-size: .9rem; font-weight: 700; display: block; margin-top: .1rem; }

.app-phones {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: flex-end;
  height: 520px;
  margin-top: 1rem;
}
.phone-mockup-front {
  position: relative;
  z-index: 2;
  width: 200px;
  transform: rotate(-3deg) translateX(20px);
  filter: drop-shadow(0 40px 60px rgba(0,0,0,.55));
}
.phone-mockup-back {
  position: relative;
  z-index: 1;
  width: 185px;
  transform: rotate(5deg) translateX(-20px) translateY(25px);
  filter: drop-shadow(0 30px 50px rgba(0,0,0,.4));
  opacity: .88;
}

.phone-frame {
  background: #0f172a;
  border-radius: 34px;
  padding: 10px;
  box-shadow: 0 0 0 2px rgba(255,255,255,.06) inset;
}
.phone-screen {
  position: relative;
  border-radius: 24px;
  overflow: hidden;
  background: white;
}
.phone-screen img {
  width: 100%;
  display: block;
}
.phone-notch {
  position: absolute;
  top: 12px; left: 50%;
  transform: translateX(-50%);
  width: 64px; height: 16px;
  background: #0f172a;
  border-radius: 10px;
  z-index: 3;
}
.app-floating-badge {
  position: absolute;
  bottom: 50px; left: 10px;
  background: white;
  border-radius: 14px;
  padding: 8px;
  box-shadow: 0 16px 40px rgba(0,0,0,.4);
  display: flex; align-items: center; gap: .7rem;
  z-index: 10;
  animation: floatBadge 3.5s ease-in-out infinite;
}
.app-floating-badge-icon {
  width: 38px; height: 38px; border-radius: 10px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  display: grid; place-items: center; font-size: 1.2rem;
  flex-shrink: 0;
}
.app-floating-badge-text strong { font-size: .8rem; display: block; color: var(--text); }
.app-floating-badge-text span { font-size: .7rem; color: var(--text-muted); }
@keyframes floatBadge {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
  .nav-links { display: none; }
  .nav-cta { display: none; }
  .hamburger { display: flex; }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .modules-grid { grid-template-columns: 1fr; }
  .how-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .test-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .mock-body { grid-template-columns: 140px 1fr; }
  .app-grid { grid-template-columns: 1fr; gap: 3rem; }
  .notif-demo-grid { grid-template-columns: 1fr; max-width: 420px; }
  .app-phones { height: 420px; }
  .phone-mockup-front { width: 170px; }
  .phone-mockup-back { width: 155px; }
}
@media (max-width: 600px) {
  section { padding: 70px 5vw; }
  .hero { padding: 100px 5vw 60px; }
  .hero-stats { gap: 1.5rem; }
  .stat-sep { display: none; }
  .features-grid { grid-template-columns: 1fr; }
  .test-grid { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; gap: 2rem; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .mock-body { grid-template-columns: 1fr; }
  .mock-sidebar { display: none; }
  .mock-cards { grid-template-columns: repeat(2, 1fr); }
  .how-grid { gap: 2rem; }
  .hero-actions { flex-direction: column; align-items: center; }
  .cta-actions { flex-direction: column; align-items: center; }
  .app-phones { height: 340px; }
  .phone-mockup-front { width: 145px; }
  .phone-mockup-back { width: 130px; }
  .app-store-buttons { flex-direction: column; }
}