@import url('shared/design-tokens.css');

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

html { scroll-behavior: smooth; }

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

/* ── Animated background ── */

.bg-mesh {
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 50% at 20% -10%, rgba(14, 165, 233, 0.12), transparent 55%),
    radial-gradient(ellipse 60% 45% at 85% 15%, rgba(20, 184, 166, 0.1), transparent 50%),
    radial-gradient(ellipse 50% 40% at 50% 100%, rgba(56, 189, 248, 0.08), transparent 55%),
    var(--sn-bg);
  pointer-events: none;
  z-index: 0;
}

.bg-grid {
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(14, 165, 233, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(14, 165, 233, 0.04) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 85% 70% at 50% 0%, black 20%, transparent 75%);
  pointer-events: none;
  z-index: 0;
  animation: gridDrift 50s linear infinite;
}

@keyframes gridDrift {
  from { background-position: 0 0; }
  to { background-position: 56px 56px; }
}

.bg-blob {
  position: fixed;
  border-radius: 50%;
  filter: blur(70px);
  pointer-events: none;
  z-index: 0;
  opacity: 0.55;
  animation: blobFloat 16s ease-in-out infinite;
  will-change: transform;
}

.blob-1 {
  width: 480px;
  height: 480px;
  background: radial-gradient(circle, rgba(14, 165, 233, 0.35), transparent 68%);
  top: -160px;
  right: -120px;
}

.blob-2 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(20, 184, 166, 0.3), transparent 68%);
  bottom: 5%;
  left: -140px;
  animation-delay: -5s;
  animation-duration: 20s;
}

.blob-3 {
  width: 320px;
  height: 320px;
  background: radial-gradient(circle, rgba(245, 158, 11, 0.18), transparent 68%);
  top: 42%;
  right: 8%;
  animation-delay: -10s;
  animation-duration: 22s;
}

@keyframes blobFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(20px, -24px) scale(1.05); }
  66% { transform: translate(-14px, 16px) scale(0.97); }
}

.bg-dots {
  position: fixed;
  inset: 0;
  background-image: radial-gradient(rgba(14, 165, 233, 0.15) 1px, transparent 1px);
  background-size: 24px 24px;
  opacity: 0.35;
  pointer-events: none;
  z-index: 0;
  animation: dotsPulse 6s ease-in-out infinite;
}

@keyframes dotsPulse {
  0%, 100% { opacity: 0.25; }
  50% { opacity: 0.45; }
}

/* ── Header ── */

.header {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1140px;
  margin: 0 auto;
  padding: 1rem 1.5rem;
  transition: background var(--sn-transition), box-shadow var(--sn-transition), padding var(--sn-transition);
}

.header.scrolled {
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(16px) saturate(1.4);
  box-shadow: var(--sn-shadow-sm);
  border-bottom: 1px solid var(--sn-border-light);
  padding-top: 0.75rem;
  padding-bottom: 0.75rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-weight: 700;
  font-size: 1.12rem;
  color: var(--sn-text);
  letter-spacing: -0.02em;
}

.logo-mark {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 11px;
  background: var(--sn-gradient);
  font-size: 1.1rem;
  box-shadow: 0 4px 14px var(--sn-accent-glow);
  animation: logoPulse 4s ease-in-out infinite;
}

@keyframes logoPulse {
  0%, 100% { box-shadow: 0 4px 14px var(--sn-accent-glow); transform: scale(1); }
  50% { box-shadow: 0 6px 22px rgba(14, 165, 233, 0.35); transform: scale(1.03); }
}

.nav { display: flex; gap: 0.35rem; flex-wrap: wrap; }

.nav a {
  color: var(--sn-muted);
  text-decoration: none;
  padding: 0.45rem 0.85rem;
  border-radius: 999px;
  font-size: 0.92rem;
  font-weight: 500;
  position: relative;
  transition: color var(--sn-transition), background var(--sn-transition), transform 0.2s;
}

.nav a:hover {
  color: var(--sn-accent);
  background: var(--sn-accent-soft);
  transform: translateY(-1px);
}

main {
  position: relative;
  z-index: 1;
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 1.5rem 5rem;
}

/* ── Hero ── */

.hero {
  padding: 4.5rem 0 4rem;
  text-align: center;
  position: relative;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem 0.4rem 0.65rem;
  border-radius: 999px;
  border: 1px solid var(--sn-border);
  background: var(--sn-surface);
  box-shadow: var(--sn-shadow-xs);
  color: var(--sn-accent);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  margin-bottom: 1.75rem;
}

.hero-badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--sn-teal);
  animation: dotBlink 2s ease-in-out infinite;
}

@keyframes dotBlink {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.85); }
}

.hero h1 {
  font-size: clamp(2.4rem, 5.8vw, 3.85rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.035em;
  max-width: 820px;
  margin: 0 auto;
}

.gradient-text {
  background: var(--sn-gradient);
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: gradientShift 8s ease infinite;
}

@keyframes gradientShift {
  0%, 100% { background-position: 0% center; }
  50% { background-position: 100% center; }
}

.hero-sub {
  max-width: 560px;
  margin: 1.5rem auto 2.25rem;
  color: var(--sn-muted);
  font-size: 1.12rem;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.85rem;
  margin-bottom: 3.5rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.9rem 1.85rem;
  border-radius: var(--sn-radius);
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: transform var(--sn-transition-spring), box-shadow var(--sn-transition), background var(--sn-transition);
}

.btn-primary {
  background: var(--sn-gradient);
  color: #fff;
  box-shadow: 0 4px 16px var(--sn-accent-glow);
}

.btn-primary:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: var(--sn-shadow-lg);
}

.btn-primary:active { transform: translateY(-1px) scale(0.99); }

.btn-ghost {
  color: var(--sn-text-secondary);
  border: 1px solid var(--sn-border);
  background: var(--sn-surface);
  box-shadow: var(--sn-shadow-xs);
}

.btn-ghost:hover {
  border-color: var(--sn-accent);
  color: var(--sn-accent);
  transform: translateY(-2px);
  box-shadow: var(--sn-shadow-sm);
}

.hero-stats {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
  perspective: 800px;
}

.stat {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  text-align: left;
  padding: 1.15rem 1.5rem;
  background: var(--sn-surface);
  border: 1px solid var(--sn-border);
  border-radius: var(--sn-radius-lg);
  box-shadow: var(--sn-shadow-card);
  min-width: 168px;
  transition: transform var(--sn-transition-spring), box-shadow var(--sn-transition), border-color var(--sn-transition);
}

.stat:hover {
  border-color: rgba(14, 165, 233, 0.35);
  transform: translateY(-6px) rotateX(2deg);
  box-shadow: var(--sn-shadow-lg);
}

.float-card { animation: floatCard 6s ease-in-out infinite; }
.delay-float-1 { animation-delay: -2s; }
.delay-float-2 { animation-delay: -4s; }

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

.stat strong {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--sn-text);
  margin-bottom: 0.15rem;
}

.stat span { color: var(--sn-muted); font-size: 0.85rem; }

.stat-icon {
  font-size: 1.35rem;
  margin-bottom: 0.5rem;
  display: block;
}

/* ── Sections ── */

.section-title {
  text-align: center;
  font-size: clamp(1.85rem, 4vw, 2.4rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 0.75rem;
}

.section-lead {
  text-align: center;
  color: var(--sn-muted);
  max-width: 540px;
  margin: 0 auto 2.75rem;
  font-size: 1.06rem;
}

.section-tag {
  display: inline-block;
  padding: 0.3rem 0.75rem;
  border-radius: 999px;
  background: var(--sn-teal-soft);
  color: var(--sn-teal);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 0.85rem;
}

/* ── Screenshot showcase ── */

.preview { padding: 3.5rem 0 4.5rem; }

.screenshot-showcase { max-width: 940px; margin: 0 auto; }

.screenshot-tabs {
  display: flex;
  justify-content: center;
  gap: 0.45rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
  padding: 0.35rem;
  background: var(--sn-bg-subtle);
  border-radius: 999px;
  border: 1px solid var(--sn-border-light);
  width: fit-content;
  margin-left: auto;
  margin-right: auto;
}

.tab {
  border: none;
  background: transparent;
  color: var(--sn-muted);
  padding: 0.55rem 1.25rem;
  border-radius: 999px;
  font: inherit;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: color var(--sn-transition), background var(--sn-transition), transform 0.2s, box-shadow var(--sn-transition);
}

.tab:hover {
  color: var(--sn-text);
  transform: translateY(-1px);
}

.tab.active {
  color: var(--sn-text);
  background: var(--sn-surface);
  box-shadow: var(--sn-shadow-sm);
}

.screenshot-frame {
  position: relative;
  border-radius: var(--sn-radius-xl);
  border: 1px solid var(--sn-border);
  background: var(--sn-surface);
  overflow: hidden;
  box-shadow: var(--sn-shadow-md), 0 0 0 1px rgba(255, 255, 255, 0.8) inset;
  transform-style: preserve-3d;
  transition: transform 0.4s ease;
}

.screenshot-frame.parallax-tilt {
  transition: transform 0.15s ease-out;
}

.frame-glow {
  position: absolute;
  inset: -40%;
  background: radial-gradient(circle at 50% 0%, rgba(14, 165, 233, 0.12), transparent 55%);
  pointer-events: none;
  animation: glowRotate 18s linear infinite;
}

@keyframes glowRotate {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.frame-bar {
  display: flex;
  gap: 7px;
  padding: 0.75rem 1.1rem;
  border-bottom: 1px solid var(--sn-border);
  background: var(--sn-bg-subtle);
}

.dot { width: 11px; height: 11px; border-radius: 50%; }
.dot.red { background: #ff5f57; }
.dot.yellow { background: #febc2e; }
.dot.green { background: #28c840; }

.frame-url {
  flex: 1;
  text-align: center;
  font-size: 0.78rem;
  color: var(--sn-muted-light);
  align-self: center;
}

.screenshot-slides {
  position: relative;
  min-height: 200px;
}

.slide {
  display: none;
  margin: 0;
}

.slide.active {
  display: block;
  animation: slideIn 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}

@keyframes slideIn {
  from { opacity: 0; transform: scale(0.97) translateY(12px); }
  to { opacity: 1; transform: none; }
}

.slide img {
  display: block;
  width: 100%;
  height: auto;
}

.slide figcaption {
  padding: 1rem 1.25rem;
  color: var(--sn-muted);
  font-size: 0.9rem;
  text-align: center;
  border-top: 1px solid var(--sn-border);
  background: var(--sn-bg-subtle);
}

/* ── Features ── */

.features { padding: 2.5rem 0 3.5rem; }

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.25rem;
}

.feature-card {
  background: var(--sn-surface);
  border: 1px solid var(--sn-border);
  border-radius: var(--sn-radius-lg);
  padding: 1.85rem;
  box-shadow: var(--sn-shadow-card);
  transition: transform var(--sn-transition-spring), border-color var(--sn-transition), box-shadow var(--sn-transition);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--sn-gradient);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}

.feature-card:hover {
  transform: translateY(-8px);
  border-color: rgba(14, 165, 233, 0.3);
  box-shadow: var(--sn-shadow-lg);
}

.feature-card:hover::before { transform: scaleX(1); }

.icon-wrap {
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  border-radius: var(--sn-radius);
  background: var(--sn-accent-soft);
  margin-bottom: 1rem;
  transition: transform var(--sn-transition-spring), background var(--sn-transition);
}

.feature-card:hover .icon-wrap {
  transform: rotate(-8deg) scale(1.1);
  background: var(--sn-teal-soft);
}

.feature-card .icon { font-size: 1.55rem; }
.feature-card h3 { margin-bottom: 0.55rem; font-size: 1.15rem; font-weight: 700; }
.feature-card p { color: var(--sn-muted); font-size: 0.95rem; line-height: 1.65; }

/* ── How it works ── */

.how { padding: 3.5rem 0; }

.flow {
  display: flex;
  flex-wrap: wrap;
  align-items: stretch;
  justify-content: center;
  gap: 0.75rem;
}

.flow-step {
  background: var(--sn-surface);
  border: 1px solid var(--sn-border);
  border-radius: var(--sn-radius-lg);
  padding: 1.75rem 1.5rem;
  max-width: 280px;
  flex: 1 1 240px;
  text-align: center;
  box-shadow: var(--sn-shadow-card);
  transition: transform var(--sn-transition-spring), box-shadow var(--sn-transition);
}

.flow-step:hover {
  transform: translateY(-6px) scale(1.02);
  box-shadow: var(--sn-shadow-lg);
}

.flow-step .num {
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--sn-gradient);
  color: #fff;
  font-weight: 800;
  font-size: 1.05rem;
  margin-bottom: 0.85rem;
  box-shadow: 0 4px 12px var(--sn-accent-glow);
}

.flow-step h3 { font-size: 1.08rem; font-weight: 700; margin-bottom: 0.5rem; }
.flow-step p { color: var(--sn-muted); font-size: 0.92rem; }

.flow-connector {
  display: flex;
  align-items: center;
  padding: 0 0.15rem;
}

.connector-line {
  display: block;
  width: 48px;
  height: 2px;
  background: linear-gradient(90deg, var(--sn-accent), var(--sn-teal));
  position: relative;
  animation: connectorPulse 2.5s ease-in-out infinite;
}

.connector-line::after {
  content: '';
  position: absolute;
  right: -5px;
  top: 50%;
  transform: translateY(-50%);
  border: 6px solid transparent;
  border-left-color: var(--sn-teal);
}

@keyframes connectorPulse {
  0%, 100% { opacity: 0.45; transform: scaleX(0.95); }
  50% { opacity: 1; transform: scaleX(1); }
}

/* ── Contact ── */

.contact { padding: 2.5rem 0 3.5rem; }

.contact-card {
  position: relative;
  text-align: center;
  max-width: 580px;
  margin: 0 auto;
  padding: 3rem 2.25rem;
  border-radius: var(--sn-radius-xl);
  border: 1px solid var(--sn-border);
  background: var(--sn-surface);
  box-shadow: var(--sn-shadow-md);
  overflow: hidden;
}

.contact-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 60% at 50% 0%, rgba(14, 165, 233, 0.08), transparent 65%);
  pointer-events: none;
}

.contact-glow {
  position: absolute;
  inset: -40% auto auto 50%;
  transform: translateX(-50%);
  width: 320px;
  height: 320px;
  background: radial-gradient(circle, rgba(20, 184, 166, 0.15), transparent 70%);
  pointer-events: none;
  animation: contactGlow 6s ease-in-out infinite;
}

@keyframes contactGlow {
  0%, 100% { opacity: 0.5; transform: translateX(-50%) scale(1); }
  50% { opacity: 1; transform: translateX(-50%) scale(1.2); }
}

.contact-card h2 {
  font-size: 1.65rem;
  font-weight: 800;
  margin-bottom: 0.75rem;
  position: relative;
  letter-spacing: -0.02em;
}

.contact-card p {
  color: var(--sn-muted);
  margin-bottom: 1.75rem;
  position: relative;
  font-size: 1.02rem;
}

.contact-email { position: relative; }

/* ── Footer ── */

.footer {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 1rem 2rem;
  padding: 2.25rem;
  color: var(--sn-muted);
  font-size: 0.88rem;
  border-top: 1px solid var(--sn-border);
  background: rgba(255, 255, 255, 0.6);
  backdrop-filter: blur(8px);
}

.footer a {
  color: var(--sn-accent);
  text-decoration: none;
  font-weight: 500;
  transition: color var(--sn-transition);
}

.footer a:hover { color: var(--sn-accent-hover); }

/* ── Scroll reveal ── */

.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}

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

.reveal-left {
  opacity: 0;
  transform: translateX(-28px);
  transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}

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

.reveal-scale {
  opacity: 0;
  transform: scale(0.92);
  transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}

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

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

.hero .reveal {
  opacity: 0;
  animation: fadeUp 0.9s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

.hero .delay-1 { animation-delay: 0.12s; }
.hero .delay-2 { animation-delay: 0.24s; }
.hero .delay-3 { animation-delay: 0.36s; }
.hero .delay-4 { animation-delay: 0.48s; }

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(28px); }
  to { opacity: 1; transform: none; }
}

@media (max-width: 640px) {
  .nav { display: none; }
  .flow-connector { display: none; }
  .hero { padding-top: 2.5rem; }
  .screenshot-tabs { border-radius: var(--sn-radius-lg); }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .reveal, .reveal-left, .reveal-scale { opacity: 1; transform: none; }
}