/* ─── CSS Variables ─── */
:root {
  --bg: #0a0a0a;
  --bg-2: #111111;
  --bg-3: #1a1a1a;
  --surface: #161616;
  --surface-2: #1e1e1e;
  --border: rgba(255,255,255,0.06);
  --border-hover: rgba(255,255,255,0.12);

  --text: #f0ede8;
  --text-2: #a09a92;
  --text-3: #5a5550;

  --accent: #c8a96e;
  --accent-light: #dfc08a;
  --accent-dark: #a8893e;
  --accent-rgb: 200, 169, 110;

  --font-display: 'Cormorant Garamond', serif;
  --font-body: 'DM Sans', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --radius: 2px;
  --radius-lg: 4px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html { scroll-behavior: smooth; font-size: 16px; }

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

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

/* ─── Typography ─── */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

/* ─── Scrollbar ─── */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--accent-dark); border-radius: 2px; }

/* ─── Selection ─── */
::selection { background: rgba(var(--accent-rgb), 0.3); color: var(--text); }

/* ─── Navigation ─── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 0 48px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border);
  background: rgba(10,10,10,0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 16px;
  font-family: var(--font-display);
  font-size: 1.5rem;
  letter-spacing: 0.02em;
  color: var(--text);
  transition: opacity var(--transition);
}
.nav-logo:hover { opacity: 0.7; }

.nav-logo-icon {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 40px;
}

.nav-link {
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-2);
  transition: color var(--transition);
  position: relative;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 1px;
  background: var(--accent);
  transition: width var(--transition);
}
.nav-link:hover, .nav-link.active { color: var(--text); }
.nav-link:hover::after, .nav-link.active::after { width: 100%; }

.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* ─── Buttons ─── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 24px;
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 500;
  border-radius: var(--radius);
  transition: all var(--transition);
  white-space: nowrap;
}

.btn-ghost {
  border: 1px solid var(--border-hover);
  color: var(--text-2);
}
.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.btn-accent {
  background: var(--accent);
  color: #0a0a0a;
  font-weight: 600;
}
.btn-accent:hover {
  background: var(--accent-light);
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(var(--accent-rgb), 0.25);
}

.btn-outline {
  border: 1px solid var(--border-hover);
  color: var(--text);
}
.btn-outline:hover {
  border-color: var(--text);
}

.btn-danger {
  border: 1px solid rgba(220,80,80,0.3);
  color: #dc5050;
}
.btn-danger:hover {
  border-color: #dc5050;
  background: rgba(220,80,80,0.08);
}

/* ─── Hero Section ─── */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 48px 80px;
  position: relative;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 70% 50%, rgba(var(--accent-rgb), 0.04) 0%, transparent 70%),
    radial-gradient(ellipse 40% 60% at 20% 80%, rgba(var(--accent-rgb), 0.02) 0%, transparent 60%);
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 0%, transparent 100%);
}

.hero-content {
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-eyebrow {
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.hero-eyebrow::before {
  content: '';
  display: block;
  width: 32px;
  height: 1px;
  background: var(--accent);
}

.hero-title {
  font-size: clamp(3.5rem, 6vw, 5.5rem);
  color: var(--text);
  margin-bottom: 24px;
  font-weight: 300;
}

.hero-title em {
  font-style: italic;
  color: var(--accent);
}

.hero-desc {
  font-size: 1rem;
  color: var(--text-2);
  line-height: 1.8;
  margin-bottom: 40px;
  max-width: 440px;
}

.hero-cta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

/* ─── Window Logo SVG Animation ─── */
.logo-large {
  animation: float 6s ease-in-out infinite;
}
@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-12px); }
}

/* ─── Stats ─── */
.stats {
  padding: 80px 48px;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.stats-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border);
}

.stat-item {
  background: var(--bg);
  padding: 40px 32px;
  text-align: center;
}

.stat-num {
  font-family: var(--font-display);
  font-size: 3.5rem;
  color: var(--accent);
  display: block;
  margin-bottom: 8px;
  font-weight: 300;
}

.stat-label {
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-3);
}

/* ─── About Section ─── */
.about {
  padding: 120px 48px;
}

.about-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 100px;
  align-items: start;
}

.section-label {
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.section-label::before {
  content: '';
  display: block;
  width: 24px;
  height: 1px;
  background: var(--accent);
}

.section-title {
  font-size: clamp(2.5rem, 4vw, 3.5rem);
  font-weight: 300;
  color: var(--text);
  margin-bottom: 0;
}

.about-text p {
  color: var(--text-2);
  line-height: 1.9;
  margin-bottom: 20px;
  font-size: 0.97rem;
}

.about-features {
  margin-top: 40px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.feature-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.9rem;
  color: var(--text-2);
}

.feature-icon {
  width: 32px;
  height: 32px;
  background: rgba(var(--accent-rgb), 0.08);
  border: 1px solid rgba(var(--accent-rgb), 0.15);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 0.85rem;
  flex-shrink: 0;
}

/* ─── CTA Banner ─── */
.cta-banner {
  margin: 0 48px 120px;
  padding: 80px;
  background: var(--surface);
  border: 1px solid var(--border-hover);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: 0; right: 0;
  width: 300px;
  height: 100%;
  background: radial-gradient(ellipse at right, rgba(var(--accent-rgb), 0.06) 0%, transparent 70%);
}

.cta-title {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 300;
  color: var(--text);
}

/* ─── Footer ─── */
footer {
  border-top: 1px solid var(--border);
  padding: 48px;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-copy {
  font-size: 0.78rem;
  color: var(--text-3);
  letter-spacing: 0.05em;
}

.footer-links {
  display: flex;
  gap: 32px;
}

.footer-link {
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-3);
  transition: color var(--transition);
}
.footer-link:hover { color: var(--accent); }

/* ─── Modal ─── */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(0,0,0,0.7);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.modal-overlay.active { display: flex; }

.modal {
  background: var(--bg-2);
  border: 1px solid var(--border-hover);
  border-radius: var(--radius-lg);
  padding: 48px;
  width: 100%;
  max-width: 440px;
  position: relative;
  animation: modalIn 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes modalIn {
  from { opacity: 0; transform: translateY(16px) scale(0.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.modal-close {
  position: absolute;
  top: 20px; right: 20px;
  width: 32px; height: 32px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  color: var(--text-3);
  display: flex; align-items: center; justify-content: center;
  transition: all var(--transition);
  font-size: 1.1rem;
}
.modal-close:hover { border-color: var(--text-2); color: var(--text); }

.modal-title {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 300;
  margin-bottom: 8px;
  color: var(--text);
}

.modal-subtitle {
  font-size: 0.85rem;
  color: var(--text-3);
  margin-bottom: 32px;
}

.modal-tabs {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--border);
  margin-bottom: 32px;
}

.modal-tab {
  padding: 10px 20px;
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-3);
  border-bottom: 2px solid transparent;
  transition: all var(--transition);
  cursor: pointer;
}
.modal-tab.active { color: var(--accent); border-bottom-color: var(--accent); }
.modal-tab:hover:not(.active) { color: var(--text-2); }

/* ─── Forms ─── */
.form-group { margin-bottom: 20px; }

.form-label {
  display: block;
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 8px;
}

.form-input {
  width: 100%;
  padding: 14px 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: all var(--transition);
  outline: none;
}
.form-input:focus {
  border-color: rgba(var(--accent-rgb), 0.5);
  background: var(--surface-2);
  box-shadow: 0 0 0 3px rgba(var(--accent-rgb), 0.06);
}
.form-input::placeholder { color: var(--text-3); }
.form-input.error { border-color: rgba(220,80,80,0.5); }

.form-error {
  font-size: 0.78rem;
  color: #dc5050;
  margin-top: 6px;
  display: none;
}
.form-error.visible { display: block; }

.form-submit {
  width: 100%;
  padding: 14px;
  background: var(--accent);
  color: #0a0a0a;
  font-family: var(--font-body);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all var(--transition);
  border: none;
  margin-top: 8px;
}
.form-submit:hover {
  background: var(--accent-light);
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(var(--accent-rgb), 0.25);
}
.form-submit:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

/* ─── Alert / Toast ─── */
.alert {
  padding: 12px 16px;
  border-radius: var(--radius);
  font-size: 0.85rem;
  margin-bottom: 20px;
  display: none;
}
.alert.visible { display: block; }
.alert-success {
  background: rgba(80,180,120,0.1);
  border: 1px solid rgba(80,180,120,0.25);
  color: #50b478;
}
.alert-error {
  background: rgba(220,80,80,0.08);
  border: 1px solid rgba(220,80,80,0.25);
  color: #dc5050;
}

/* ─── User Cabinet ─── */
.cabinet-dropdown {
  position: absolute;
  top: calc(100% + 12px);
  right: 0;
  width: 320px;
  background: var(--bg-2);
  border: 1px solid var(--border-hover);
  border-radius: var(--radius-lg);
  padding: 24px;
  z-index: 200;
  display: none;
  animation: modalIn 0.2s ease;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}
.cabinet-dropdown.active { display: block; }

.cabinet-trigger {
  position: relative;
}

.cabinet-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 20px;
}

.cabinet-avatar {
  width: 44px; height: 44px;
  background: rgba(var(--accent-rgb), 0.12);
  border: 1px solid rgba(var(--accent-rgb), 0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 1.2rem;
  color: var(--accent);
  flex-shrink: 0;
}

.cabinet-name {
  font-size: 0.95rem;
  color: var(--text);
  font-weight: 500;
}

.cabinet-email {
  font-size: 0.75rem;
  color: var(--text-3);
  margin-top: 2px;
}

.balance-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  margin-bottom: 16px;
}

.balance-label {
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 8px;
}

.balance-amount {
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--accent);
  font-weight: 300;
}

.balance-currency {
  font-size: 1rem;
  color: var(--text-3);
  margin-left: 4px;
}

.cabinet-meta {
  font-size: 0.75rem;
  color: var(--text-3);
  margin-bottom: 20px;
}

/* ─── Products Page ─── */
.page-hero {
  padding: 160px 48px 80px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 50% at 50% 50%, rgba(var(--accent-rgb), 0.04) 0%, transparent 70%);
}

.page-title {
  font-size: clamp(3rem, 5vw, 4.5rem);
  font-weight: 300;
  margin-bottom: 16px;
  position: relative;
}

.page-subtitle {
  font-size: 0.97rem;
  color: var(--text-2);
  max-width: 500px;
  margin: 0 auto;
  position: relative;
}

.products-grid {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 48px 120px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2px;
  background: var(--border);
}

.product-card {
  background: var(--bg);
  padding: 56px 48px;
  position: relative;
  overflow: hidden;
  transition: background var(--transition);
  cursor: default;
}

.product-card:hover { background: var(--surface); }

.product-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 3px;
  height: 0;
  background: var(--accent);
  transition: height var(--transition-slow);
}
.product-card:hover::before { height: 100%; }

.product-visual {
  width: 100%;
  height: 220px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 32px;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--surface-2);
  border: 1px solid var(--border);
}

.product-num {
  position: absolute;
  top: 32px; right: 40px;
  font-family: var(--font-display);
  font-size: 4rem;
  color: rgba(255,255,255,0.03);
  font-weight: 300;
  line-height: 1;
  user-select: none;
}

.product-badge {
  display: inline-block;
  padding: 4px 12px;
  border: 1px solid rgba(var(--accent-rgb), 0.25);
  background: rgba(var(--accent-rgb), 0.06);
  border-radius: 100px;
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}

.product-name {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 300;
  color: var(--text);
  margin-bottom: 12px;
}

.product-desc {
  font-size: 0.88rem;
  color: var(--text-2);
  line-height: 1.8;
  margin-bottom: 24px;
}

.product-specs {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.spec-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.82rem;
}

.spec-key { color: var(--text-3); }
.spec-val { color: var(--text-2); font-weight: 500; }

/* ─── Animate on scroll ─── */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ─── Responsive ─── */
@media (max-width: 1024px) {
  .hero-content { grid-template-columns: 1fr; gap: 60px; }
  .hero-visual { display: none; }
  .about-inner { grid-template-columns: 1fr; gap: 48px; }
  .stats-inner { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .nav { padding: 0 24px; }
  .nav-links { display: none; }
  .hero { padding: 100px 24px 60px; }
  .about { padding: 80px 24px; }
  .stats { padding: 60px 24px; }
  .cta-banner { margin: 0 24px 80px; padding: 48px 32px; flex-direction: column; text-align: center; }
  footer { padding: 40px 24px; }
  .footer-inner { flex-direction: column; gap: 24px; text-align: center; }
  .products-grid { grid-template-columns: 1fr; padding: 0 24px 80px; }
  .page-hero { padding: 120px 24px 60px; }
}