/* ================================================
   SellCOD Clone – style.css
   Theme: Dark (black) + Cyan accent
   ================================================ */

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

:root {
  --accent: #00d4ff;
  --accent-dim: rgba(0, 212, 255, 0.15);
  --accent-glow: rgba(0, 212, 255, 0.3);
  --bg: #000000;
  --bg-card: #0d0d0d;
  --bg-card2: #111111;
  --border: rgba(255,255,255,0.08);
  --border-accent: rgba(0, 212, 255, 0.3);
  --text: #ffffff;
  --text-muted: #8a8a9a;
  --text-dim: #4a4a5a;
  --radius: 16px;
  --radius-sm: 8px;
  --radius-pill: 100px;
  --shadow-accent: 0 0 40px rgba(0, 212, 255, 0.15);
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  overflow-x: hidden;
}

/* ── Announcement Bar ───────────────────────────── */
.announcement-bar {
  background: var(--accent);
  color: #000;
  text-align: center;
  padding: 10px 48px;
  font-size: 0.875rem;
  font-weight: 600;
  position: relative;
  z-index: 100;
}
.close-banner {
  position: absolute; right: 16px; top: 50%; transform: translateY(-50%);
  background: none; border: none; cursor: pointer; font-size: 1rem; color: #000;
  opacity: 0.6;
}
.close-banner:hover { opacity: 1; }

/* ── Header ─────────────────────────────────────── */
.header {
  position: sticky; top: 0; z-index: 99;
  background: rgba(0,0,0,0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow var(--transition);
}
.header.scrolled { box-shadow: 0 2px 30px rgba(0,0,0,0.5); }

.header-inner {
  max-width: 1200px; margin: 0 auto;
  display: flex; align-items: center; gap: 32px;
  padding: 0 24px; height: 68px;
}

.logo {
  font-size: 1.5rem; font-weight: 900; letter-spacing: -0.5px;
  text-decoration: none; color: var(--text); white-space: nowrap;
}
.logo-accent { color: var(--accent); }

.nav { display: flex; gap: 4px; flex: 1; justify-content: center; }
.nav-link {
  color: var(--text-muted); text-decoration: none;
  padding: 8px 14px; border-radius: var(--radius-sm);
  font-size: 0.875rem; font-weight: 500;
  transition: color var(--transition), background var(--transition);
}
.nav-link:hover { color: var(--text); background: rgba(255,255,255,0.06); }

.header-actions { display: flex; align-items: center; gap: 12px; margin-left: auto; }

.lang-btn {
  background: rgba(255,255,255,0.06); border: 1px solid var(--border);
  color: var(--text-muted); padding: 7px 14px; border-radius: var(--radius-pill);
  font-size: 0.8rem; cursor: pointer; transition: all var(--transition);
}
.lang-btn:hover { border-color: var(--accent); color: var(--accent); }

.mobile-menu-btn {
  display: none; background: none; border: none;
  color: var(--text); font-size: 1.5rem; cursor: pointer;
}

/* ── Mobile Nav ─────────────────────────────────── */
.mobile-nav {
  display: none; flex-direction: column; gap: 4px;
  background: #0d0d0d; border-bottom: 1px solid var(--border);
  padding: 16px 24px; position: sticky; top: 68px; z-index: 98;
}
.mobile-nav.open { display: flex; }
.mobile-nav a {
  color: var(--text-muted); text-decoration: none;
  padding: 10px 14px; border-radius: var(--radius-sm);
  font-size: 0.9rem; font-weight: 500;
  transition: color var(--transition), background var(--transition);
}
.mobile-nav a:hover { color: var(--text); background: rgba(255,255,255,0.06); }

/* ── Buttons ─────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  text-decoration: none; font-weight: 600; font-family: inherit;
  border: none; cursor: pointer; transition: all var(--transition);
  white-space: nowrap;
  padding: 10px 22px; border-radius: var(--radius-pill); font-size: 0.875rem;
}
.btn-primary {
  background: var(--accent); color: #000;
  box-shadow: 0 0 20px rgba(0, 212, 255, 0.3);
}
.btn-primary:hover {
  background: #33ddff;
  box-shadow: 0 0 30px rgba(0, 212, 255, 0.5);
  transform: translateY(-1px);
}
.btn-outline {
  background: transparent; color: var(--text);
  border: 1px solid var(--border);
}
.btn-outline:hover {
  border-color: var(--accent); color: var(--accent);
  background: var(--accent-dim);
}
.btn-ghost {
  background: rgba(255,255,255,0.08); color: var(--text);
  border: 1px solid var(--border);
}
.btn-ghost:hover { background: rgba(255,255,255,0.14); }
.btn-large { padding: 14px 28px; font-size: 1rem; border-radius: var(--radius-pill); }

/* ── Container ───────────────────────────────────── */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.text-center { text-align: center; }

/* ── Sections ────────────────────────────────────── */
.section { padding: 96px 0; }
.section-dark { background: #050505; }

.section-label {
  display: inline-block;
  color: var(--accent); font-size: 0.8rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 2px;
  border: 1px solid var(--border-accent);
  background: var(--accent-dim);
  padding: 5px 14px; border-radius: var(--radius-pill);
  margin-bottom: 20px;
}
.section-title {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800; line-height: 1.2;
  letter-spacing: -0.5px; margin-bottom: 16px;
}
.section-subtitle {
  color: var(--text-muted); font-size: 1.05rem;
  max-width: 600px; margin: 0 auto 56px;
  text-align: center;
}
.section-dark .section-subtitle,
.section-dark .section-title { text-align: center; }
.section:not(.section-dark) .section-subtitle,
.section:not(.section-dark) .section-title { text-align: left; }
#how-it-works .section-title,
#how-it-works .section-subtitle { text-align: center; }

.gradient-text {
  background: linear-gradient(135deg, var(--accent) 0%, #a78bfa 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── Hero ────────────────────────────────────────── */
.hero {
  position: relative; overflow: hidden;
  padding: 120px 0 100px; text-align: center;
  min-height: 90vh; display: flex; align-items: center;
}
.hero-glow {
  position: absolute; top: 10%; left: 50%; transform: translateX(-50%);
  width: 800px; height: 500px;
  background: radial-gradient(ellipse at center, rgba(0,212,255,0.12) 0%, transparent 70%);
  pointer-events: none;
}

.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 7px 18px; border-radius: var(--radius-pill);
  border: 1px solid var(--border-accent);
  background: var(--accent-dim);
  font-size: 0.82rem; font-weight: 600; color: var(--accent);
  margin-bottom: 28px;
  animation: fadeInDown 0.6s ease both;
}
.hero-title {
  font-size: clamp(2.2rem, 6vw, 4rem);
  font-weight: 900; line-height: 1.1; letter-spacing: -1.5px;
  margin-bottom: 24px;
  animation: fadeInUp 0.6s ease 0.1s both;
}
.hero-subtitle {
  font-size: 1.1rem; color: var(--text-muted);
  max-width: 620px; margin: 0 auto 40px;
  animation: fadeInUp 0.6s ease 0.2s both;
}
.hero-cta {
  display: flex; gap: 14px; justify-content: center; flex-wrap: wrap;
  margin-bottom: 48px;
  animation: fadeInUp 0.6s ease 0.3s both;
}
.trust-indicators {
  display: flex; gap: 28px; justify-content: center; flex-wrap: wrap;
  animation: fadeInUp 0.6s ease 0.4s both;
}
.trust-item {
  display: flex; align-items: center; gap: 8px;
  color: var(--text-muted); font-size: 0.875rem;
}
.trust-item strong { color: var(--text); }
.trust-icon { font-size: 1rem; }

/* ── Steps Tabs ──────────────────────────────────── */
.steps-tabs { margin-top: 48px; }
.tabs-header {
  display: flex; gap: 8px; justify-content: center;
  border-bottom: 1px solid var(--border); padding-bottom: 0; margin-bottom: 48px;
}
.tab-btn {
  display: flex; align-items: center; gap: 10px;
  padding: 14px 24px; border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  background: none; border: none; border-bottom: 2px solid transparent;
  color: var(--text-muted); font-size: 0.9rem; font-weight: 600;
  cursor: pointer; transition: all var(--transition);
  margin-bottom: -1px;
  font-family: inherit;
}
.tab-btn:hover { color: var(--text); background: rgba(255,255,255,0.04); }
.tab-btn.active { color: var(--accent); border-bottom-color: var(--accent); }
.tab-num {
  width: 28px; height: 28px; border-radius: 50%;
  background: rgba(255,255,255,0.06);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.75rem; font-weight: 700;
}
.tab-btn.active .tab-num { background: var(--accent); color: #000; }

.tab-panel { display: none; }
.tab-panel.active {
  display: grid; grid-template-columns: 1fr 1fr; gap: 64px;
  align-items: center;
  animation: fadeIn 0.3s ease;
}
.tab-panel-text h3 { font-size: 1.6rem; font-weight: 800; margin-bottom: 16px; }
.tab-panel-text p { color: var(--text-muted); line-height: 1.7; margin-bottom: 24px; }
.tab-list { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.tab-list li { color: var(--text-muted); font-size: 0.9rem; padding-left: 4px; }
.tab-list li::first-letter { color: var(--accent); }

.tab-panel-visual { display: flex; justify-content: center; }
.visual-card {
  background: var(--bg-card2); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 36px;
  text-align: center; width: 280px;
  box-shadow: var(--shadow-accent);
}
.visual-icon { font-size: 3rem; margin-bottom: 16px; }
.visual-text { font-size: 1.1rem; font-weight: 700; margin-bottom: 20px; }
.visual-bar {
  height: 6px; background: rgba(255,255,255,0.08);
  border-radius: 3px; margin-bottom: 16px; overflow: hidden;
}
.bar-fill {
  height: 100%; background: linear-gradient(90deg, var(--accent), #a78bfa);
  border-radius: 3px; animation: growBar 1s ease;
}
.visual-tag {
  font-size: 0.75rem; color: var(--text-muted);
  background: rgba(255,255,255,0.05); border-radius: var(--radius-pill);
  padding: 4px 12px;
}

/* ── Features Grid ───────────────────────────────── */
.features-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px;
}
.feature-card {
  background: var(--bg-card2); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 32px;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}
.feature-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-accent);
  box-shadow: var(--shadow-accent);
}
.feature-card-accent {
  border-color: var(--border-accent);
  background: linear-gradient(135deg, #0a1a1f 0%, #070d12 100%);
}
.feature-icon { font-size: 2.2rem; margin-bottom: 18px; }
.feature-card h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 10px; }
.feature-card p { color: var(--text-muted); font-size: 0.9rem; line-height: 1.6; }

/* ── About ───────────────────────────────────────── */
.about-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center;
}
.about-text p { color: var(--text-muted); margin-bottom: 16px; line-height: 1.7; }
.about-stats { display: flex; gap: 32px; margin-top: 40px; }
.stat-num { font-size: 2rem; font-weight: 900; color: var(--accent); }
.stat-label { font-size: 0.8rem; color: var(--text-muted); margin-top: 4px; }

.about-card-stack { display: flex; flex-direction: column; gap: 16px; }
.about-card {
  display: flex; gap: 16px; align-items: flex-start;
  background: var(--bg-card2); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 20px;
  transition: border-color var(--transition);
}
.about-card:hover { border-color: var(--border-accent); }
.about-card-icon { font-size: 1.6rem; flex-shrink: 0; }
.about-card strong { display: block; margin-bottom: 4px; font-size: 0.95rem; }
.about-card p { color: var(--text-muted); font-size: 0.85rem; margin: 0; }

/* ── Pricing ─────────────────────────────────────── */
.pricing-toggle {
  display: flex; gap: 4px; justify-content: center;
  background: var(--bg-card2); border: 1px solid var(--border);
  border-radius: var(--radius-pill); padding: 5px;
  width: fit-content; margin: 0 auto 48px;
}
.toggle-btn {
  padding: 9px 24px; border-radius: var(--radius-pill);
  border: none; background: none; color: var(--text-muted);
  font-weight: 600; font-size: 0.875rem; cursor: pointer;
  transition: all var(--transition); font-family: inherit;
  display: flex; align-items: center; gap: 8px;
}
.toggle-btn.active { background: var(--accent); color: #000; }
.discount-badge {
  background: #16a34a; color: white;
  font-size: 0.7rem; padding: 2px 8px; border-radius: var(--radius-pill);
}

.pricing-grid {
  display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px;
  align-items: start;
}
.pricing-card {
  background: var(--bg-card2); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 28px 24px;
  display: flex; flex-direction: column; gap: 20px;
  transition: transform var(--transition), border-color var(--transition);
  position: relative;
}
.pricing-card:hover { transform: translateY(-4px); border-color: var(--border-accent); }
.pricing-card-popular {
  border-color: var(--accent);
  background: linear-gradient(160deg, #0a1a1f 0%, #050d12 100%);
  box-shadow: var(--shadow-accent);
}
.pricing-card-enterprise { border-color: rgba(167, 139, 250, 0.3); }

.popular-badge {
  position: absolute; top: -14px; left: 50%; transform: translateX(-50%);
  background: var(--accent); color: #000;
  font-size: 0.75rem; font-weight: 700;
  padding: 4px 14px; border-radius: var(--radius-pill); white-space: nowrap;
}
.plan-name { font-size: 1rem; font-weight: 700; color: var(--text-muted); }
.plan-price { display: flex; align-items: baseline; gap: 4px; }
.price-amount { font-size: 2.2rem; font-weight: 900; }
.price-currency { font-size: 0.9rem; font-weight: 700; color: var(--text-muted); }
.price-period { font-size: 0.8rem; color: var(--text-muted); }

.plan-features { list-style: none; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.plan-features li { font-size: 0.82rem; color: var(--text-muted); }
.plan-features li:not(.disabled) { color: var(--text); }
.plan-features li.disabled { opacity: 0.4; }

/* ── FAQ ─────────────────────────────────────────── */
.faq-list { max-width: 720px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.faq-item {
  background: var(--bg-card2); border: 1px solid var(--border);
  border-radius: var(--radius); overflow: hidden;
  transition: border-color var(--transition);
}
.faq-item:hover { border-color: var(--border-accent); }
.faq-question {
  width: 100%; display: flex; align-items: center; justify-content: space-between;
  padding: 20px 24px; background: none; border: none; color: var(--text);
  font-size: 0.95rem; font-weight: 600; text-align: left; cursor: pointer;
  gap: 16px; font-family: inherit;
}
.faq-icon { font-size: 1.3rem; color: var(--accent); flex-shrink: 0; transition: transform var(--transition); }
.faq-question.open .faq-icon { transform: rotate(45deg); }
.faq-answer {
  max-height: 0; overflow: hidden; transition: max-height 0.35s ease, padding 0.35s ease;
  padding: 0 24px;
}
.faq-answer.open { max-height: 300px; padding: 0 24px 20px; }
.faq-answer p { color: var(--text-muted); font-size: 0.9rem; line-height: 1.7; }

/* ── CTA Section ─────────────────────────────────── */
.cta-section { position: relative; overflow: hidden; }
.cta-glow {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%);
  width: 600px; height: 300px;
  background: radial-gradient(ellipse, rgba(0,212,255,0.12) 0%, transparent 70%);
  pointer-events: none;
}
.cta-section .section-title { margin-bottom: 16px; }
.cta-section .section-subtitle { margin-bottom: 36px; }

/* ── Footer ──────────────────────────────────────── */
.footer {
  background: #050505; border-top: 1px solid var(--border);
  padding: 64px 0 0;
}
.footer-grid {
  display: grid; grid-template-columns: 2fr 1.5fr 1fr 1fr; gap: 48px;
  margin-bottom: 48px;
}
.footer-logo { font-size: 1.8rem; margin-bottom: 14px; }
.footer-brand p { color: var(--text-muted); font-size: 0.875rem; line-height: 1.6; margin-bottom: 24px; }
.social-links { display: flex; gap: 10px; }
.social-link {
  width: 36px; height: 36px; border-radius: 50%;
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  text-decoration: none; color: var(--text-muted); font-size: 0.9rem;
  transition: all var(--transition);
}
.social-link:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-dim); }

.footer-col h4 { font-size: 0.875rem; font-weight: 700; margin-bottom: 16px; }
.footer-links { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-links li { color: var(--text-muted); font-size: 0.875rem; }
.footer-links a { color: var(--text-muted); text-decoration: none; transition: color var(--transition); }
.footer-links a:hover { color: var(--accent); }

.newsletter-form { display: flex; gap: 10px; margin-top: 16px; flex-wrap: wrap; }
.newsletter-input {
  flex: 1; min-width: 160px;
  background: rgba(255,255,255,0.05); border: 1px solid var(--border);
  border-radius: var(--radius-pill); padding: 10px 16px;
  color: var(--text); font-size: 0.875rem; font-family: inherit;
  outline: none; transition: border-color var(--transition);
}
.newsletter-input::placeholder { color: var(--text-dim); }
.newsletter-input:focus { border-color: var(--accent); }
.newsletter-btn { padding: 10px 18px; font-size: 0.85rem; }

.footer-bottom {
  border-top: 1px solid var(--border); padding: 20px;
  text-align: center; color: var(--text-muted); font-size: 0.8rem;
}

/* ── WhatsApp Float ──────────────────────────────── */
.whatsapp-btn {
  position: fixed; bottom: 24px; right: 24px; z-index: 999;
  width: 56px; height: 56px; border-radius: 50%;
  background: #25d366; display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
  text-decoration: none; transition: transform var(--transition), box-shadow var(--transition);
}
.whatsapp-btn:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 28px rgba(37, 211, 102, 0.6);
}

/* ── Animations ──────────────────────────────────── */
@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-16px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes growBar {
  from { width: 0; }
}

/* ── Responsive ──────────────────────────────────── */
@media (max-width: 1100px) {
  .pricing-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 900px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .about-grid { grid-template-columns: 1fr; gap: 48px; }
  .tab-panel.active { grid-template-columns: 1fr; gap: 32px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .pricing-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 680px) {
  .nav, .header-actions { display: none; }
  .mobile-menu-btn { display: block; }
  .pricing-grid { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr; }
  .tabs-header { flex-direction: column; border-bottom: none; }
  .tab-btn { border-radius: var(--radius-sm); border: 1px solid var(--border); }
  .tab-btn.active { border-color: var(--accent); background: var(--accent-dim); }
  .footer-grid { grid-template-columns: 1fr; }
  .about-stats { gap: 20px; flex-wrap: wrap; }
  .hero { padding: 80px 0 60px; }
  .section { padding: 64px 0; }
  .hero-cta { flex-direction: column; align-items: center; }
}