/*
 * Beak Marketing Website — Global Styles
 * Design: Split sidebar + content, monochrome, technical/minimal
 * Inspired by Better Auth's clean documentation-style layout
 */

@import url('https://fonts.googleapis.com/css2?family=Geist:wght@300;400;500;600;700;800&family=Geist+Mono:wght@400;500;600&display=swap');

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

html {
  font-size: 14px;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  cursor: pointer;
  font-family: inherit;
}

/* ── Design Tokens ───────────────────────────────────────────────────────── */
:root {
  --black: #0a0a0a;
  --white: #ffffff;
  --gray-50: #f9f9f9;
  --gray-100: #f0f0f0;
  --gray-200: #e0e0e0;
  --gray-300: #c4c4c4;
  --gray-400: #9a9a9a;
  --gray-500: #6b6b6b;
  --gray-600: #4a4a4a;
  --gray-700: #333333;
  --gray-800: #1f1f1f;
  --sidebar-w: 360px;
  --nav-h: 48px;
  --font-sans: 'Geist', system-ui, sans-serif;
  --font-mono: 'Geist Mono', 'Fira Code', monospace;
  --accent: #00c896;
}

body {
  font-family: var(--font-sans);
  background: var(--white);
  color: var(--black);
  min-height: 100vh;
  letter-spacing: -0.01em;
}

/* ── Top Navigation ──────────────────────────────────────────────────────── */
.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-h);
  background: var(--white);
  border-bottom: 1px solid var(--gray-200);
  display: flex;
  align-items: stretch;
  z-index: 100;
}

.nav-brand {
  width: var(--sidebar-w);
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 20px;
  border-right: 1px solid var(--gray-200);
  flex-shrink: 0;
}

.nav-brand-icon {
  width: 22px;
  height: 22px;
  background: var(--black);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  color: var(--white);
  font-weight: 700;
  clip-path: polygon(0 0, 60% 0, 60% 40%, 100% 40%, 100% 100%, 40% 100%, 40% 60%, 0 60%);
}

.nav-brand-name {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  font-family: var(--font-mono);
}

.nav-brand-dot {
  color: var(--gray-400);
  font-size: 20px;
  line-height: 1;
  margin-left: 1px;
}

.nav-tabs {
  flex: 1;
  display: flex;
  align-items: stretch;
  padding: 0 8px;
}

.nav-tab {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 0 14px;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  color: var(--gray-500);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: color 0.15s, border-color 0.15s;
  white-space: nowrap;
  background: none;
  border-left: none;
  border-right: none;
  border-top: none;
  font-family: var(--font-sans);
  cursor: pointer;
  position: relative;
}

.nav-tab:hover {
  color: var(--black);
}

.nav-tab.active {
  color: var(--black);
  border-bottom-color: var(--black);
  font-weight: 600;
}

.nav-tab .caret {
  font-size: 9px;
  transition: transform 0.15s;
  margin-left: 2px;
}

.nav-tab.open .caret {
  transform: rotate(180deg);
}

/* Dropdown */
.nav-dropdown {
  position: absolute;
  top: calc(100% + 1px);
  left: 0;
  background: var(--white);
  border: 1px solid var(--gray-200);
  min-width: 160px;
  display: none;
  z-index: 200;
}

.nav-tab.open .nav-dropdown {
  display: block;
}

.nav-dropdown a {
  display: block;
  padding: 10px 16px;
  font-size: 11px;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  color: var(--gray-600);
  font-weight: 500;
  transition: background 0.1s;
}

.nav-dropdown a:hover {
  background: var(--gray-50);
  color: var(--black);
}

.nav-signin {
  display: flex;
  align-items: center;
  padding: 0 20px;
  gap: 6px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  background: var(--black);
  color: var(--white);
  border: none;
  text-decoration: none;
}

.nav-signin:hover {
  background: var(--gray-800);
}

.nav-signin .arrow {
  font-size: 12px;
}

/* ── Page Layout ─────────────────────────────────────────────────────────── */
.page-wrap {
  display: flex;
  min-height: 100vh;
  padding-top: var(--nav-h);
}

/* ── Sidebar ─────────────────────────────────────────────────────────────── */
.sidebar {
  width: var(--sidebar-w);
  min-width: var(--sidebar-w);
  background: var(--gray-100);
  border-right: 1px solid var(--gray-200);
  position: sticky;
  top: var(--nav-h);
  height: calc(100vh - var(--nav-h));
  overflow: hidden;
  display: flex;
  flex-direction: column;
  padding: 40px 28px 32px;
}

.sidebar-logo-mark {
  width: 120px;
  height: 120px;
  margin-bottom: 32px;
  position: relative;
  flex-shrink: 0;
}

.logo-3d {
  width: 100%;
  height: 100%;
  background:
    linear-gradient(135deg, #d8d8d8 0%, #c0c0c0 40%, #a8a8a8 100%);
  clip-path: polygon(0 0, 55% 0, 55% 45%, 100% 45%, 100% 100%, 45% 100%, 45% 55%, 0 55%);
  position: relative;
}

/* Subtle 3D border effect */
.logo-3d::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.4) 0%, transparent 60%);
  clip-path: inherit;
}

.sidebar-tag {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  color: var(--gray-500);
  margin-bottom: 12px;
  font-family: var(--font-mono);
}

.sidebar-tag::before {
  content: '⊙';
  font-size: 12px;
}

.sidebar-headline {
  font-size: 26px;
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.5px;
  color: var(--black);
  margin-bottom: 24px;
}

.sidebar-headline em {
  font-style: normal;
  position: relative;
  display: inline-block;
}

.sidebar-headline em::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: 2px;
  height: 2px;
  background: var(--black);
}

.sidebar-btns {
  display: flex;
  gap: 8px;
  margin-bottom: auto;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 18px;
  background: var(--black);
  color: var(--white);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.3px;
  border: 1.5px solid var(--black);
  transition: background 0.15s;
}

.btn-primary:hover {
  background: var(--gray-800);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 18px;
  background: transparent;
  color: var(--black);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.3px;
  border: 1.5px solid var(--gray-300);
  transition: border-color 0.15s;
}

.btn-outline:hover {
  border-color: var(--black);
}

.sidebar-meta {
  margin-top: 32px;
  font-size: 11px;
  color: var(--gray-400);
  font-family: var(--font-mono);
  line-height: 1.8;
}

.sidebar-meta strong {
  color: var(--gray-600);
}

/* ── Main Content ─────────────────────────────────────────────────────────── */
.content {
  flex: 1;
  min-width: 0;
  padding: 40px 52px 80px;
  max-width: 860px;
}

/* ── Section Labels ──────────────────────────────────────────────────────── */
.section-label {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--gray-400);
  margin-bottom: 20px;
  font-family: var(--font-mono);
}

.section-label::before {
  content: '# ';
  color: var(--gray-300);
}

/* ── Content Typography ──────────────────────────────────────────────────── */
.content h1 {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.3px;
  margin-bottom: 10px;
}

.content p {
  font-size: 14px;
  line-height: 1.75;
  color: var(--gray-600);
  margin-bottom: 24px;
  max-width: 640px;
}

.content p a {
  color: var(--black);
  border-bottom: 1px dotted var(--gray-400);
}

.content p a:hover {
  border-bottom-color: var(--black);
}

/* ── Tab Switcher (in-page) ──────────────────────────────────────────────── */
.tab-bar {
  display: flex;
  border-bottom: 1px solid var(--gray-200);
  margin-bottom: 24px;
  gap: 0;
}

.tab-btn {
  padding: 8px 16px;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.5px;
  color: var(--gray-500);
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: color 0.15s;
  cursor: pointer;
  font-family: var(--font-sans);
}

.tab-btn:hover {
  color: var(--black);
}

.tab-btn.active {
  color: var(--black);
  border-bottom-color: var(--black);
  font-weight: 600;
}

.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
}

/* ── Code Block ──────────────────────────────────────────────────────────── */
.code-block {
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  padding: 0;
  margin-bottom: 28px;
  font-family: var(--font-mono);
}

.code-block-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px;
  border-bottom: 1px solid var(--gray-200);
  background: var(--gray-100);
}

.code-block-title {
  font-size: 11px;
  font-weight: 600;
  color: var(--gray-500);
  letter-spacing: 0.5px;
}

.code-block-copy {
  font-size: 10px;
  color: var(--gray-400);
  background: none;
  border: none;
  cursor: pointer;
  padding: 2px 8px;
  border: 1px solid var(--gray-300);
  font-family: var(--font-mono);
}

.code-block-copy:hover {
  background: var(--gray-200);
}

.code-block pre {
  padding: 16px;
  font-size: 12px;
  line-height: 1.7;
  color: var(--gray-700);
  overflow-x: auto;
}

.code-keyword {
  color: #0060a8;
}

.code-string {
  color: #a31515;
}

.code-comment {
  color: var(--gray-400);
  font-style: italic;
}

.code-fn {
  color: #795e26;
}

.code-var {
  color: #001080;
}

/* ── Prompt Block ────────────────────────────────────────────────────────── */
.prompt-block {
  border: 1px solid var(--gray-200);
  margin-bottom: 28px;
}

.prompt-title {
  padding: 14px 16px 6px;
  font-size: 13px;
  font-weight: 600;
  color: var(--black);
}

.prompt-body {
  padding: 6px 16px 14px;
  font-size: 12.5px;
  color: var(--gray-500);
  line-height: 1.65;
}

.prompt-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px;
  border-top: 1px solid var(--gray-200);
}

.prompt-footer a {
  font-size: 11px;
  color: var(--gray-500);
  display: flex;
  align-items: center;
  gap: 5px;
}

.prompt-footer a:hover {
  color: var(--black);
}

/* ── Trusted By ──────────────────────────────────────────────────────────── */
.trusted-section {
  margin-bottom: 36px;
}

.trusted-label {
  font-size: 10px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--gray-400);
  font-family: var(--font-mono);
  margin-bottom: 14px;
}

.trusted-logos {
  display: flex;
  gap: 28px;
  align-items: center;
  flex-wrap: wrap;
}

.trusted-logo {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.5px;
  color: var(--gray-400);
  opacity: 0.7;
  transition: opacity 0.15s;
}

.trusted-logo:hover {
  opacity: 1;
  color: var(--black);
}

/* ── Features Grid ───────────────────────────────────────────────────────── */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border: 1px solid var(--gray-200);
  margin-bottom: 36px;
}

.feature-col {
  padding: 20px;
  border-right: 1px solid var(--gray-200);
}

.feature-col:last-child {
  border-right: none;
}

.feature-col-label {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: var(--gray-500);
  margin-bottom: 14px;
  font-family: var(--font-mono);
}

.feature-item {
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-size: 12.5px;
  color: var(--gray-600);
  padding: 4px 0;
  line-height: 1.5;
}

.feature-item::before {
  content: '+';
  color: var(--gray-400);
  font-size: 14px;
  font-weight: 300;
  flex-shrink: 0;
}

/* ── Tier Card ───────────────────────────────────────────────────────────── */
.tier-card {
  border: 1px solid var(--gray-200);
  padding: 24px;
  margin-bottom: 24px;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
}

.tier-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.tier-name {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  font-family: var(--font-mono);
}

.tier-badge {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  padding: 2px 8px;
  border: 1px solid var(--gray-300);
  color: var(--gray-500);
}

/* ── Info Grid ──────────────────────────────────────────────────────────── */
.info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 32px;
}

.info-card {
  border: 1px solid var(--gray-200);
  padding: 20px;
}

.info-card-label {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: var(--gray-400);
  margin-bottom: 8px;
  font-family: var(--font-mono);
}

.info-card-value {
  font-size: 14px;
  font-weight: 600;
  color: var(--black);
}

.info-card-sub {
  font-size: 12px;
  color: var(--gray-500);
  margin-top: 4px;
  line-height: 1.5;
}

/* ── Enterprise Form ─────────────────────────────────────────────────────── */
.ent-form-card {
  border: 1px solid var(--gray-200);
  padding: 28px;
  max-width: 640px;
}

.ent-form-title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 4px;
}

.ent-form-sub {
  font-size: 12.5px;
  color: var(--gray-500);
  margin-bottom: 22px;
}

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

.form-label {
  display: block;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--gray-500);
  margin-bottom: 6px;
  font-family: var(--font-mono);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--gray-300);
  background: var(--white);
  font-size: 13px;
  font-family: var(--font-sans);
  color: var(--black);
  outline: none;
  transition: border-color 0.15s;
  -webkit-appearance: none;
  border-radius: 0;
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--gray-300);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--black);
}

.form-textarea {
  resize: vertical;
  min-height: 100px;
}

.form-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%236b6b6b'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 32px;
}

.btn-submit {
  width: 100%;
  padding: 13px;
  background: var(--black);
  color: var(--white);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  border: none;
  cursor: pointer;
  transition: background 0.15s;
  margin-top: 4px;
}

.btn-submit:hover {
  background: var(--gray-800);
}

.form-legal {
  font-size: 11px;
  color: var(--gray-400);
  margin-top: 12px;
  text-align: center;
}

.form-legal a {
  border-bottom: 1px solid var(--gray-300);
}

.form-legal a:hover {
  color: var(--black);
}

/* ── Divider ─────────────────────────────────────────────────────────────── */
hr.divider {
  border: none;
  border-top: 1px solid var(--gray-200);
  margin: 32px 0;
}

/* ── Enterprise Feature List ─────────────────────────────────────────────── */
.ent-features {
  list-style: none;
  margin-bottom: 28px;
}

.ent-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--gray-600);
  padding: 6px 0;
  border-bottom: 1px solid var(--gray-100);
}

.ent-features li::before {
  content: '+';
  color: var(--gray-400);
  font-size: 16px;
  font-weight: 300;
}

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

/* ── View Products Link ──────────────────────────────────────────────────── */
.view-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  color: var(--black);
  border-bottom: 1.5px solid var(--black);
  padding-bottom: 1px;
}

/* ── Stats Row ───────────────────────────────────────────────────────────── */
.stats-row {
  display: flex;
  gap: 32px;
  padding: 20px 0;
  border-top: 1px solid var(--gray-200);
  border-bottom: 1px solid var(--gray-200);
  margin-bottom: 32px;
}

.stat-item {
  text-align: left;
}

.stat-number {
  font-size: 22px;
  font-weight: 700;
  color: var(--black);
  font-family: var(--font-mono);
}

.stat-desc {
  font-size: 11px;
  color: var(--gray-500);
  margin-top: 2px;
}

/* ── Product Cards ───────────────────────────────────────────────────────── */
.product-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border: 1px solid var(--gray-200);
  margin-bottom: 28px;
}

.product-card {
  padding: 20px;
  border-right: 1px solid var(--gray-200);
  border-bottom: 1px solid var(--gray-200);
}

.product-card:nth-child(2n) {
  border-right: none;
}

.product-card:nth-last-child(-n+2) {
  border-bottom: none;
}

.product-card-num {
  font-size: 10px;
  font-family: var(--font-mono);
  color: var(--gray-300);
  margin-bottom: 6px;
}

.product-card-name {
  font-size: 13px;
  font-weight: 700;
  color: var(--black);
  margin-bottom: 6px;
}

.product-card-desc {
  font-size: 12px;
  color: var(--gray-500);
  line-height: 1.6;
}

.product-card-port {
  margin-top: 10px;
  font-size: 10px;
  font-family: var(--font-mono);
  color: var(--gray-400);
  padding: 2px 6px;
  border: 1px solid var(--gray-200);
  display: inline-block;
}

/* ── Footer ──────────────────────────────────────────────────────────────── */
.site-footer {
  border-top: 1px solid var(--gray-200);
  padding: 24px 52px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 11px;
  color: var(--gray-400);
  margin-left: var(--sidebar-w);
}

.footer-links {
  display: flex;
  gap: 20px;
}

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

/* ── Utility ─────────────────────────────────────────────────────────────── */
.mb-8 {
  margin-bottom: 8px;
}

.mb-16 {
  margin-bottom: 16px;
}

.mb-24 {
  margin-bottom: 24px;
}

.mb-32 {
  margin-bottom: 32px;
}

/* ── Responsive ──────────────────────────────────────────────────────────── */
@media (max-width: 768px) {
  :root {
    --sidebar-w: 0px;
  }

  .sidebar {
    display: none;
  }

  .content {
    padding: 24px 60px 60px;
  }

  .features-grid {
    grid-template-columns: 1fr;
  }

  .product-grid {
    grid-template-columns: 1fr;
  }

  .info-grid {
    grid-template-columns: 1fr;
  }

  .site-footer {
    margin-left: 0;
    padding: 20px;
  }

  .stats-row {
    flex-wrap: wrap;
    gap: 16px;
  }
}