/* ============================================================
   SELLERTAP — MAIN STYLES
   Layout, components, animations
   Do not put color values here — use theme.css tokens only
   ============================================================ */

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--color-bg);
  color: var(--color-text-primary);
  font-size: 16px;
  line-height: 1.6;
  transition: background var(--transition), color var(--transition);
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; font-family: var(--font-body); border: none; background: none; }

/* --- Typography --- */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.15;
  color: var(--color-text-primary);
}

h1 { font-size: clamp(2.4rem, 5vw, 3.8rem); letter-spacing: -0.03em; }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.6rem); letter-spacing: -0.02em; }
h3 { font-size: 1.2rem; letter-spacing: -0.01em; }

p { color: var(--color-text-secondary); line-height: 1.75; }

/* --- Layout --- */
.container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
}

section { padding: 96px 0; }

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  font-weight: 500;
  transition: all var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: var(--color-accent);
  color: var(--color-accent-text);
}
.btn-primary:hover {
  background: var(--color-accent-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-ghost {
  background: transparent;
  color: var(--color-text-primary);
  border: 1.5px solid var(--color-border-strong);
}
.btn-ghost:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.btn-outline-accent {
  background: transparent;
  color: var(--color-accent);
  border: 1.5px solid var(--color-accent);
}
.btn-outline-accent:hover {
  background: var(--color-accent);
  color: var(--color-accent-text);
}

/* --- Badge --- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  border-radius: 100px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  background: var(--color-accent-soft);
  color: var(--color-accent);
  border: 1px solid var(--color-accent);
}

/* --- Section label --- */
.section-label {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 12px;
}

/* --- Divider --- */
.divider {
  height: 1px;
  background: var(--color-border);
  margin: 0;
}

/* ============================================================
   NAVBAR
   ============================================================ */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-bg-surface);
  border-bottom: 1px solid var(--color-border);
  height: 64px;
  display: flex;
  align-items: center;
  transition: background var(--transition), box-shadow var(--transition);
}

.navbar.scrolled {
  box-shadow: var(--shadow-sm);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.navbar-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.3rem;
  letter-spacing: -0.02em;
  color: var(--color-text-primary);
}

.navbar-logo .logo-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-accent);
}

.navbar-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.navbar-links a {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  font-weight: 500;
  transition: color var(--transition);
}
.navbar-links a:hover { color: var(--color-text-primary); }

.navbar-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.theme-toggle {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  font-size: 1rem;
  transition: all var(--transition);
}
.theme-toggle:hover {
  background: var(--color-bg-raised);
  color: var(--color-text-primary);
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  padding: 80px 0 96px;
  position: relative;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 60% at 60% -10%, var(--color-accent-soft), transparent 70%);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.hero-eyebrow {
  margin-bottom: 20px;
}

.hero h1 { margin-bottom: 20px; }

.hero-sub {
  font-size: 1.1rem;
  color: var(--color-text-secondary);
  margin-bottom: 36px;
  max-width: 480px;
}

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

.hero-image {
  position: relative;
}

.dashboard-mockup {
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  transform: perspective(1000px) rotateY(-4deg) rotateX(2deg);
  transition: transform 0.4s ease;
}

.dashboard-mockup:hover {
  transform: perspective(1000px) rotateY(-1deg) rotateX(0deg);
}

.mockup-topbar {
  background: var(--color-bg-raised);
  border-bottom: 1px solid var(--color-border);
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.mockup-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.mockup-body {
  padding: 20px;
}

.mockup-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-bottom: 16px;
}

.mockup-stat-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 12px;
}

.mockup-stat-label {
  font-size: 0.7rem;
  color: var(--color-text-muted);
  margin-bottom: 4px;
  font-family: var(--font-mono);
}

.mockup-stat-value {
  font-size: 1.1rem;
  font-weight: 700;
  font-family: var(--font-display);
  color: var(--color-text-primary);
}

.mockup-stat-value.green { color: var(--color-accent); }

.mockup-chart-area {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 14px;
  margin-bottom: 12px;
}

.mockup-chart-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.mockup-chart-title {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-text-primary);
  font-family: var(--font-display);
}

.mockup-chart-badge {
  font-size: 0.65rem;
  padding: 2px 8px;
  border-radius: 100px;
  background: var(--color-accent-soft);
  color: var(--color-accent);
  font-weight: 600;
}

.chart-bars {
  display: flex;
  align-items: flex-end;
  gap: 5px;
  height: 60px;
}

.chart-bar {
  flex: 1;
  background: var(--color-border);
  border-radius: 3px 3px 0 0;
  transition: background var(--transition);
}

.chart-bar.active { background: var(--color-accent); }
.chart-bar.semi { background: var(--color-accent); opacity: 0.4; }

.mockup-table {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.mockup-table-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.72rem;
}

.mockup-table-row:last-child { border-bottom: none; }

.mockup-table-row .label { color: var(--color-text-secondary); }
.mockup-table-row .value { font-weight: 600; color: var(--color-text-primary); font-family: var(--font-mono); }
.mockup-table-row .tag {
  padding: 2px 7px;
  border-radius: 4px;
  font-size: 0.65rem;
  font-weight: 600;
}
.tag-green { background: var(--color-accent-soft); color: var(--color-accent); }
.tag-warn  { background: #FEF3C7; color: #B45309; }

/* ============================================================
   SOCIAL PROOF BAR
   ============================================================ */
.social-proof {
  padding: 28px 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg-surface);
}

.social-proof .container {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 48px;
  flex-wrap: wrap;
}

.proof-stat {
  text-align: center;
}

.proof-stat-value {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-text-primary);
  display: block;
}

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

.proof-divider {
  width: 1px;
  height: 36px;
  background: var(--color-border);
}

/* ============================================================
   FEATURES
   ============================================================ */
.features {
  background: var(--color-bg);
}

.section-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 60px;
}

.section-header p {
  margin-top: 14px;
  font-size: 1.05rem;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}

.feature-card {
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.feature-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-accent);
}

.feature-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: var(--color-accent-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  margin-bottom: 18px;
}

.feature-card h3 {
  margin-bottom: 8px;
  font-size: 1.05rem;
}

.feature-card p {
  font-size: 0.9rem;
  line-height: 1.65;
}

/* ============================================================
   HOW IT WORKS
   ============================================================ */
.how-it-works {
  background: var(--color-bg-surface);
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  position: relative;
}

.steps-grid::before {
  content: '';
  position: absolute;
  top: 28px;
  left: calc(16% + 28px);
  right: calc(16% + 28px);
  height: 1px;
  background: linear-gradient(to right, var(--color-accent), var(--color-border));
  pointer-events: none;
}

.step-card {
  text-align: center;
  padding: 32px 24px;
  position: relative;
}

.step-number {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--color-accent);
  color: var(--color-accent-text);
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  position: relative;
  z-index: 1;
}

.step-card h3 { margin-bottom: 10px; }
.step-card p { font-size: 0.9rem; }

.step-email-note {
  margin-top: 10px;
  font-size: 0.82rem;
  color: var(--color-accent);
  font-weight: 500;
}

/* ============================================================
   PRICING
   ============================================================ */
.pricing {
  background: var(--color-bg);
}

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

.pricing-card {
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition), box-shadow var(--transition);
}

.pricing-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.pricing-card.featured {
  border: 2px solid var(--color-accent);
  position: relative;
}

.pricing-featured-badge {
  position: absolute;
  top: -13px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-accent);
  color: var(--color-accent-text);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 4px 14px;
  border-radius: 100px;
  white-space: nowrap;
}

.pricing-plan-name {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 12px;
}

.pricing-price {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin-bottom: 4px;
}

.pricing-price-amount {
  font-family: var(--font-display);
  font-size: 2.6rem;
  font-weight: 700;
  color: var(--color-text-primary);
  letter-spacing: -0.03em;
}

.pricing-price-currency {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  font-weight: 500;
}

.pricing-price-period {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.pricing-desc {
  font-size: 0.88rem;
  margin-bottom: 24px;
  min-height: 40px;
}

.pricing-features {
  list-style: none;
  margin-bottom: 28px;
  flex: 1;
}

.pricing-features li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.88rem;
  color: var(--color-text-secondary);
  padding: 6px 0;
  border-bottom: 1px solid var(--color-border);
}

.pricing-features li:last-child { border-bottom: none; }

.pricing-check {
  color: var(--color-accent);
  font-size: 0.9rem;
  margin-top: 2px;
  flex-shrink: 0;
}

.pricing-cta {
  text-align: center;
}

.pricing-request-note {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  margin-top: 10px;
  text-align: center;
}

.pricing-request-note a {
  color: var(--color-accent);
  font-weight: 500;
}

/* ============================================================
   TESTIMONIALS
   ============================================================ */
.testimonials {
  background: var(--color-bg-surface);
}

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

.testimonial-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: transform var(--transition), box-shadow var(--transition);
}

.testimonial-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.testimonial-stars {
  color: var(--color-warning);
  font-size: 0.9rem;
  letter-spacing: 2px;
}

.testimonial-text {
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--color-text-secondary);
  flex: 1;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.testimonial-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-accent-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--color-accent);
  font-family: var(--font-display);
  flex-shrink: 0;
}

.testimonial-name {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--color-text-primary);
}

.testimonial-meta {
  font-size: 0.78rem;
  color: var(--color-text-muted);
}

/* ============================================================
   FAQ
   ============================================================ */
.faq {
  background: var(--color-bg);
}

.faq-list {
  max-width: 720px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--color-border);
}

.faq-question {
  width: 100%;
  text-align: left;
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-size: 0.97rem;
  font-weight: 600;
  color: var(--color-text-primary);
  background: none;
  border: none;
  transition: color var(--transition);
}

.faq-question:hover { color: var(--color-accent); }

.faq-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  color: var(--color-text-muted);
  font-size: 1.2rem;
  line-height: 1;
  transition: transform var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
}

.faq-item.open .faq-icon { transform: rotate(45deg); color: var(--color-accent); }

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
}

.faq-answer-inner {
  padding-bottom: 18px;
  font-size: 0.92rem;
  color: var(--color-text-secondary);
  line-height: 1.75;
}

.faq-item.open .faq-answer { max-height: 200px; }

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--color-bg-surface);
  border-top: 1px solid var(--color-border);
  padding: 60px 0 32px;
}

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

.footer-brand p {
  font-size: 0.9rem;
  margin-top: 12px;
  max-width: 260px;
  line-height: 1.65;
}

.footer-col-title {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-primary);
  margin-bottom: 16px;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  transition: color var(--transition);
}

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

.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding-top: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-bottom p {
  font-size: 0.82rem;
  color: var(--color-text-muted);
}

.footer-credit a {
  color: var(--color-text-muted);
  transition: color var(--transition);
}

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

.footer-socials {
  display: flex;
  gap: 12px;
}

.social-link {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  font-size: 0.85rem;
  transition: all var(--transition);
}

.social-link:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

/* ============================================================
   SIGN IN MODAL
   ============================================================ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: var(--color-bg-overlay);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
  backdrop-filter: blur(4px);
}

.modal-overlay.open {
  opacity: 1;
  pointer-events: all;
}

.modal {
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-xl);
  padding: 40px;
  width: 100%;
  max-width: 440px;
  box-shadow: var(--shadow-lg);
  transform: translateY(16px);
  transition: transform 0.3s ease;
}

.modal-overlay.open .modal {
  transform: translateY(0);
}

.modal-header {
  text-align: center;
  margin-bottom: 32px;
}

.modal-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.2rem;
  margin-bottom: 16px;
}

.modal-header h2 {
  font-size: 1.5rem;
  margin-bottom: 6px;
}

.modal-header p {
  font-size: 0.9rem;
}

.form-group {
  margin-bottom: 16px;
}

.form-label {
  display: block;
  font-size: 0.83rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: 6px;
}

.form-input {
  width: 100%;
  padding: 11px 14px;
  border: 1.5px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  background: var(--color-bg);
  color: var(--color-text-primary);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}

.form-input:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-accent) 15%, transparent);
}

.form-input.error { border-color: var(--color-danger); }

.form-error {
  display: flex;
  align-items: center;
  gap: 6px;
  background: #FEF2F2;
  border: 1px solid #FECACA;
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  margin-bottom: 16px;
  font-size: 0.85rem;
  color: #B91C1C;
}

[data-theme="dark"] .form-error {
  background: #2D1515;
  border-color: #7F1D1D;
  color: #FCA5A5;
}

.form-forgot {
  text-align: right;
  font-size: 0.82rem;
  margin-top: -8px;
  margin-bottom: 16px;
}

.form-forgot a {
  color: var(--color-accent);
  font-weight: 500;
}

.modal-submit {
  width: 100%;
  padding: 13px;
  font-size: 0.97rem;
  font-weight: 600;
  justify-content: center;
}

.modal-register-note {
  text-align: center;
  font-size: 0.83rem;
  color: var(--color-text-muted);
  margin-top: 20px;
  line-height: 1.6;
}

.modal-register-note a {
  color: var(--color-accent);
  font-weight: 600;
}

.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  font-size: 1rem;
  transition: all var(--transition);
}

.modal-close:hover {
  background: var(--color-bg-raised);
  color: var(--color-text-primary);
}

.modal { position: relative; }

/* ============================================================
   ANIMATIONS
   ============================================================ */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

.animate-fade-up {
  animation: fadeUp 0.6s ease both;
}

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

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .pricing-grid { grid-template-columns: 1fr; max-width: 420px; margin: 0 auto; }
  .testimonials-grid { grid-template-columns: 1fr; }
  .steps-grid { grid-template-columns: 1fr; gap: 0; }
  .steps-grid::before { display: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
  section { padding: 64px 0; }
  .navbar-links { display: none; }
  .social-proof .container { gap: 24px; }
  .proof-divider { display: none; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .hero { padding: 48px 0 64px; }
  .dashboard-mockup { transform: none; }
}