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

:root {
  --orange: #EA8953;
  --orange-dark: #d4733e;
  --orange-light: #fdf0e8;
  --dark: #1a1a2e;
  --dark2: #2a2a3e;
  --text: #2d2d2d;
  --muted: #666;
  --border: #e8e8e8;
  --white: #ffffff;
  --radius: 16px;
  --shadow: 0 4px 24px rgba(0,0,0,0.08);
}

body {
  font-family: 'Inter', sans-serif;
  color: var(--text);
  background: #fafafa;
  line-height: 1.6;
}

/* LANG SWITCHER */
.lang-bar {
  position: fixed;
  top: 16px;
  right: 20px;
  z-index: 100;
  display: flex;
  gap: 4px;
  background: white;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 4px;
  box-shadow: var(--shadow);
}
.lang-btn {
  padding: 5px 14px;
  border: none;
  border-radius: 999px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
  font-family: inherit;
  background: transparent;
  color: var(--muted);
  transition: all 0.2s;
}
.lang-btn.active {
  background: var(--orange);
  color: white;
}

/* HERO */
.hero {
  background: linear-gradient(135deg, var(--dark) 0%, var(--dark2) 100%);
  color: white;
  padding: 90px 20px 70px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(234,137,83,0.18) 0%, transparent 70%);
  top: -100px; right: -100px;
  border-radius: 50%;
}
.hero::after {
  content: '';
  position: absolute;
  width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(234,137,83,0.1) 0%, transparent 70%);
  bottom: -80px; left: -60px;
  border-radius: 50%;
}
.hero-inner { position: relative; z-index: 1; max-width: 640px; margin: 0 auto; }
.hero-logo {
  width: 80px; height: 80px;
  border-radius: 50%;
  margin: 0 auto 24px;
  display: block;
  background: rgba(255,255,255,0.1);
  padding: 4px;
  object-fit: cover;
}
.hero h1 {
  font-size: clamp(26px, 5vw, 42px);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 16px;
}
.hero h1 span { color: var(--orange); }
.hero p {
  font-size: 17px;
  color: rgba(255,255,255,0.75);
  margin-bottom: 32px;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}
.hero-cta {
  display: block;
  max-width: 260px;
  margin: 0 auto;
  background: #25D366;
  color: white;
  text-decoration: none;
  font-weight: 700;
  font-size: 16px;
  padding: 14px 28px;
  border-radius: 999px;
  transition: transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 4px 20px rgba(37,211,102,0.4);
}
.hero-cta:hover { transform: translateY(-2px); box-shadow: 0 8px 28px rgba(37,211,102,0.5); }
.hero-cta svg { flex-shrink: 0; }

/* STATS ROW */
.stats {
  background: var(--orange);
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0;
}
.stat {
  padding: 22px 40px;
  text-align: center;
  color: white;
  border-right: 1px solid rgba(255,255,255,0.25);
}
.stat:last-child { border-right: none; }
.stat strong { display: block; font-size: 28px; font-weight: 800; }
.stat span { font-size: 13px; opacity: 0.85; }

/* SECTIONS */
.section { padding: 64px 20px; max-width: 860px; margin: 0 auto; }
.section-title {
  font-size: clamp(22px, 4vw, 32px);
  font-weight: 800;
  text-align: center;
  margin-bottom: 12px;
}

/* BENEFITS */
.benefits { background: white; }
.benefits .section { padding: 64px 20px; }
.benefits-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
@media(max-width: 860px) {
  .benefits-grid { grid-template-columns: repeat(2, 1fr); }
}
@media(max-width: 480px) {
  .benefits-grid { grid-template-columns: 1fr 1fr; }
  .benefit-card:last-child:nth-child(odd) {
    grid-column: 1 / -1;
    max-width: 280px;
    margin: 0 auto;
    width: 100%;
  }
}
.benefit-card {
  background: var(--orange-light);
  border-radius: var(--radius);
  padding: 28px 22px;
  border-left: 4px solid var(--orange);
  transition: transform 0.2s;
}
.benefit-card:hover { transform: translateY(-3px); }
.benefit-icon {
  width: 40px; height: 40px;
  margin-bottom: 14px;
  display: block;
  color: var(--orange);
}
.benefit-card h3 { font-size: 16px; font-weight: 700; margin-bottom: 6px; }
.benefit-card p { font-size: 14px; color: var(--muted); }

/* SCREENSHOTS */
.screenshots-section { background: #fafafa; }
.phone-frames {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}
.phone-frame {
  width: 200px;
  background: #111;
  border-radius: 32px;
  padding: 12px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.25);
  cursor: pointer;
  transition: transform 0.3s;
  flex-shrink: 0;
}
.phone-frame:hover { transform: scale(1.04) translateY(-4px); }
.phone-notch {
  width: 60px; height: 10px;
  background: #222;
  border-radius: 999px;
  margin: 0 auto 8px;
}
.phone-screen {
  width: 100%;
  border-radius: 20px;
  display: block;
  aspect-ratio: 9/18;
  object-fit: cover;
}

/* HOW IT WORKS */
.how-section { background: white; }
.steps { display: flex; flex-direction: column; gap: 16px; max-width: 600px; margin: 0 auto; }
.step {
  display: flex;
  gap: 18px;
  align-items: flex-start;
  background: #fafafa;
  border-radius: var(--radius);
  padding: 20px;
  border: 1px solid var(--border);
}
.step-num {
  width: 40px; height: 40px;
  background: var(--orange);
  color: white;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-weight: 800;
  font-size: 16px;
  flex-shrink: 0;
}
.step h3 { font-size: 15px; font-weight: 700; margin-bottom: 4px; }
.step p { font-size: 14px; color: var(--muted); }
code {
  background: #f0f0f0;
  padding: 2px 7px;
  border-radius: 5px;
  font-size: 13px;
  font-family: monospace;
}

/* FEATURES */
.features-section { background: #fafafa; }
.features-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
@media(max-width:540px){ .features-grid { grid-template-columns: 1fr; } }
.feature-group {
  background: white;
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
}
.feature-group h3 {
  font-size: 15px;
  font-weight: 700;
  color: var(--orange);
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 8px;
}
.feature-group h3 svg { width: 18px; height: 18px; flex-shrink: 0; }
.feature-group ul { list-style: none; }
.feature-group ul li {
  font-size: 14px;
  padding: 6px 0;
  color: var(--text);
  display: flex;
  gap: 8px;
}
.feature-group ul li::before { content: '✓'; color: var(--orange); font-weight: 700; }

/* CTA BOTTOM */
.cta-section {
  background: linear-gradient(135deg, var(--dark) 0%, var(--dark2) 100%);
  padding: 70px 20px;
  text-align: center;
  color: white;
}
.cta-section h2 { font-size: clamp(22px, 4vw, 34px); font-weight: 800; margin-bottom: 12px; }
.cta-section p { color: rgba(255,255,255,0.7); margin-bottom: 32px; font-size: 16px; }
.cta-note {
  display: inline-block;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 12px;
  padding: 14px 24px;
  margin-top: 28px;
  font-size: 14px;
  color: rgba(255,255,255,0.65);
  max-width: 440px;
}
.cta-note strong { color: white; }

/* FOOTER */
footer {
  background: var(--dark);
  color: rgba(255,255,255,0.5);
  text-align: center;
  padding: 20px;
  font-size: 13px;
}

/* STICKY MOBILE CTA */
.sticky-cta {
  display: none;
  position: fixed;
  bottom: 0; left: 0; right: 0;
  background: white;
  padding: 12px 16px;
  box-shadow: 0 -4px 20px rgba(0,0,0,0.12);
  z-index: 99;
}
.sticky-cta a {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: #25D366;
  color: white;
  text-decoration: none;
  font-weight: 700;
  font-size: 15px;
  padding: 13px;
  border-radius: 12px;
}
@media(max-width: 600px){
  .sticky-cta { display: block; }
  .stats .stat { padding: 16px 20px; }
  .phone-frame { width: 160px; }
}

/* MODAL */
.modal {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.92);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.modal.open { display: flex; }
.modal-img-wrap {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}
.modal img {
  max-height: 85vh;
  max-width: calc(100vw - 120px);
  border-radius: 16px;
  transition: opacity 0.25s ease;
}
.modal img.fading { opacity: 0; }
.modal-close {
  position: absolute;
  top: 20px; right: 24px;
  color: white;
  font-size: 36px;
  cursor: pointer;
  line-height: 1;
  background: none;
  border: none;
}
.modal-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255,255,255,0.15);
  border: none;
  color: white;
  font-size: 28px;
  width: 48px; height: 48px;
  border-radius: 50%;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: background 0.2s;
  backdrop-filter: blur(4px);
  z-index: 10;
}
.modal-nav:hover { background: rgba(255,255,255,0.3); }
.modal-nav.prev { left: -64px; }
.modal-nav.next { right: -64px; }
@media(max-width:600px) {
  .modal-nav.prev { left: 4px; }
  .modal-nav.next { right: 4px; }
  .modal img { max-width: calc(100vw - 80px); }
}
.modal-dots {
  position: absolute;
  bottom: -32px;
  left: 50%; transform: translateX(-50%);
  display: flex; gap: 8px;
}
.modal-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: rgba(255,255,255,0.4);
  cursor: pointer;
  transition: background 0.2s, transform 0.2s;
}
.modal-dot.active { background: white; transform: scale(1.3); }

/* LANG TRANSITION OVERLAY */
.lang-overlay {
  position: fixed;
  inset: 0;
  background: rgba(250,250,250,0.92);
  z-index: 999;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}
.lang-overlay.visible {
  opacity: 1;
  pointer-events: all;
}
.lang-spinner {
  width: 40px; height: 40px;
  border: 3px solid var(--border);
  border-top-color: var(--orange);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.page-content { transition: opacity 0.25s ease; }
.page-content.fading { opacity: 0; }

/* DIVIDER */
.divider { width: 48px; height: 4px; background: var(--orange); border-radius: 2px; margin: 0 auto 40px; }