/* ==========================================================================
   NEW STAR INFOSIS — BYTEWAX DESIGN SYSTEM
   Clean, developer-first open-source SaaS surface
   White canvas (#ffffff), near-black ink (#171717), and signature yellow (#fab90f)
   ========================================================================== */

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

:root {
  /* Bytewax Core Color Tokens */
  --color-canvas: #FFFFFF;
  --color-canvas-subtle: #FAFAFA;
  --color-canvas-alt: #F5F5F5;
  --color-surface: #E5E5E5;
  --color-surface-hover: #DCDCDC;
  --color-surface-dark: #262626;

  /* Ink / Text Scale */
  --color-ink-strong: #171717;
  --color-ink: #404040;
  --color-muted-deep: #525252;
  --color-muted: #737373;
  --color-on-primary: #A3A3A3;
  --color-black: #000000;

  /* The Single High-Voltage Accent */
  --color-accent: #FAB90F;
  --color-accent-hover: #E5A80A;
  --color-accent-light: #FEF6E0;

  /* Typography */
  --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', SFMono-Regular, Menlo, Monaco, Consolas, monospace;

  /* Radius Scale (Bytewax: 6px dominates, 12px on feature cards) */
  --radius-xs: 4px;
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-pill: 9999px;

  /* Spacing Tokens */
  --space-xxs: 6px;
  --space-xs: 8px;
  --space-sm: 12px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 28px;
  --space-xxl: 32px;
  --space-huge: 48px;
  --space-section: 80px;

  /* Layout */
  --container-max: 1200px;
  --header-height: 72px;
  --transition-fast: 0.15s ease;
  --transition-smooth: 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Optional Dark Developer Mode */
[data-theme="dark"] {
  --color-canvas: #0F0F0F;
  --color-canvas-subtle: #171717;
  --color-canvas-alt: #1F1F1F;
  --color-surface: #2E2E2E;
  --color-surface-hover: #383838;
  --color-surface-dark: #FFFFFF;
  --color-ink-strong: #FFFFFF;
  --color-ink: #D4D4D4;
  --color-muted: #A3A3A3;
  --color-muted-deep: #B5B5B5;
  --color-black: #FFFFFF;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-main);
  background-color: var(--color-canvas);
  color: var(--color-ink);
  line-height: 1.556;
  font-size: 18px;
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
}

/* Background Diagonal Data-Stream Grid lines (Bytewax Motif) */
.bg-grid-lines {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  background-image: 
    linear-gradient(to right, rgba(0, 0, 0, 0.035) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(0, 0, 0, 0.035) 1px, transparent 1px);
  background-size: 56px 56px;
  z-index: 0;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 1) 0%, rgba(0, 0, 0, 0) 90%);
  -webkit-mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 1) 0%, rgba(0, 0, 0, 0) 90%);
}

[data-theme="dark"] .bg-grid-lines {
  background-image: 
    linear-gradient(to right, rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
}

/* Scroll Progress Bar */
#scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 100%;
  background: var(--color-accent);
  transform-origin: 0 50%;
  transform: scaleX(0);
  z-index: 1000;
  transition: transform 0.05s linear;
}

/* Selection */
::selection {
  background: var(--color-accent);
  color: #171717;
}

/* Links & Media */
a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast), border-color var(--transition-fast);
}

img, svg {
  display: block;
  max-width: 100%;
  height: auto;
}

ul {
  list-style: none;
}

button, input, textarea, select {
  font: inherit;
  color: inherit;
  border: none;
  outline: none;
  background: none;
}

button {
  cursor: pointer;
}

/* --------------------------------------------------------------------------
   Typography Hierarchy (Inter Display & Titles)
   -------------------------------------------------------------------------- */
h1, h2, h3, h4 {
  font-family: var(--font-main);
  color: var(--color-ink-strong);
  font-weight: 700;
  line-height: 1.15;
}

h1 {
  font-size: clamp(2.5rem, 5.5vw, 4.5rem); /* Bytewax: 72px Display */
  font-weight: 700;
  line-height: 1.0;
  letter-spacing: -0.72px;
  margin-bottom: var(--space-lg);
}

h2 {
  font-size: clamp(1.85rem, 3.5vw, 2.6rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-md);
}

h3 {
  font-size: 20px; /* Bytewax Title: 20px, 600, 1.4 */
  font-weight: 600;
  line-height: 1.4;
  margin-bottom: var(--space-xs);
}

h4 {
  font-size: 16px;
  font-weight: 600;
}

p {
  color: var(--color-ink);
  font-size: 18px; /* Bytewax Body: 18px, 400, 1.556 */
  line-height: 1.556;
  margin-bottom: var(--space-md);
}

p.lead {
  font-size: clamp(1.1rem, 1.6vw, 1.25rem);
  color: var(--color-muted-deep);
  line-height: 1.6;
}

/* Bytewax Signature Accent Wordmark/Headline Highlight */
.text-accent {
  color: var(--color-accent);
}

.text-strong {
  color: var(--color-ink-strong);
}

.text-muted {
  color: var(--color-muted);
}

/* --------------------------------------------------------------------------
   Container & Section Spacing
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-lg);
  padding-right: var(--space-lg);
  position: relative;
  z-index: 1;
}

.section {
  padding-top: var(--space-section);
  padding-bottom: var(--space-section);
  position: relative;
  z-index: 1;
}

.section-header {
  text-align: center;
  max-width: 780px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: var(--space-huge);
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--color-ink-strong);
  background: var(--color-surface);
  border: 1px solid var(--color-surface);
  padding: 4px 12px;
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-md);
}

.section-tag.tag-accent {
  background: var(--color-accent-light);
  border-color: var(--color-accent);
  color: #8C6200;
}

/* --------------------------------------------------------------------------
   Bytewax Buttons & Install Pill
   -------------------------------------------------------------------------- */
.btn-group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-sm);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-main);
  font-size: 16px; /* Bytewax: 16px */
  font-weight: 500;
  line-height: 1.5;
  padding: 10px 20px;
  border-radius: var(--radius-sm); /* Bytewax 6px */
  transition: all var(--transition-fast);
  cursor: pointer;
  white-space: nowrap;
}

/* Signature Yellow Accent CTA */
.btn-accent {
  background-color: var(--color-accent);
  color: #171717;
  font-weight: 600;
  border: 1px solid var(--color-accent);
}

.btn-accent:hover {
  background-color: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  transform: translateY(-1px);
}

/* Secondary Pure Black CTA */
.btn-dark {
  background-color: var(--color-black);
  color: var(--color-canvas);
  font-weight: 500;
  border: 1px solid var(--color-black);
}

.btn-dark:hover {
  background-color: #333333;
  border-color: #333333;
  transform: translateY(-1px);
}

[data-theme="dark"] .btn-dark {
  background-color: #FFFFFF;
  color: #000000;
}

/* Flat Hairline Outline Button */
.btn-outline {
  background-color: transparent;
  color: var(--color-ink-strong);
  border: 1px solid var(--color-surface);
}

.btn-outline:hover {
  background-color: var(--color-surface);
  border-color: var(--color-muted);
}

/* WhatsApp CTA in Bytewax Style */
.btn-whatsapp {
  background-color: #25D366;
  color: #FFFFFF;
  font-weight: 600;
  border: 1px solid #25D366;
}

.btn-whatsapp:hover {
  background-color: #20BA59;
}

.btn-sm {
  padding: 6px 14px;
  font-size: 14px;
}

.btn-lg {
  padding: 14px 26px;
  font-size: 16px;
}

/* Bytewax Monospace Terminal / Install Pill */
.install-pill {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background-color: var(--color-canvas-alt);
  border: 1px solid var(--color-surface);
  border-radius: var(--radius-sm);
  padding: 8px 14px;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--color-ink-strong);
  margin-bottom: var(--space-lg);
  user-select: all;
  transition: border-color var(--transition-fast);
}

.install-pill:hover {
  border-color: var(--color-accent);
}

.install-pill code {
  color: var(--color-ink-strong);
  font-weight: 500;
}

.install-pill-copy {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 4px 8px;
  background: var(--color-canvas);
  border: 1px solid var(--color-surface);
  border-radius: var(--radius-xs);
  color: var(--color-muted);
  font-size: 12px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.install-pill-copy:hover {
  color: var(--color-ink-strong);
  border-color: var(--color-accent);
  background: var(--color-accent-light);
}

/* --------------------------------------------------------------------------
   Top Navigation (Pure White + Hairline Border)
   -------------------------------------------------------------------------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  z-index: 100;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-surface);
  transition: background-color var(--transition-fast);
}

[data-theme="dark"] .site-header {
  background: rgba(15, 15, 15, 0.95);
  border-bottom-color: var(--color-surface);
}

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

/* Brand Logo */
.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.brand-logo img {
  height: 42px;
  width: auto;
  object-fit: contain;
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-family: var(--font-main);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-ink-strong);
  letter-spacing: -0.02em;
  line-height: 1;
}

.brand-subtitle {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 600;
  color: var(--color-muted);
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

/* Nav Menu */
.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}

.nav-link {
  font-family: var(--font-main);
  font-size: 15px;
  font-weight: 500;
  color: var(--color-muted-deep);
  position: relative;
  padding: 6px 0;
  transition: color var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-ink-strong);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--color-accent);
}

/* Nav Actions */
.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.theme-toggle-btn {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background: var(--color-canvas);
  color: var(--color-ink-strong);
  border: 1px solid var(--color-surface);
  transition: all var(--transition-fast);
}

.theme-toggle-btn:hover {
  background: var(--color-surface);
}

.social-icon-btn {
  width: 36px;
  height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background: var(--color-canvas);
  color: var(--color-ink-strong);
  border: 1px solid var(--color-surface);
  transition: all var(--transition-fast);
  text-decoration: none;
  cursor: pointer;
  flex-shrink: 0;
}

.social-icon-btn:hover {
  background: var(--color-surface);
  border-color: var(--color-muted);
  color: var(--color-ink-strong);
}

.social-icon-btn svg,
.social-icon-btn i {
  width: 18px;
  height: 18px;
  display: block;
}

.mobile-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 26px;
  height: 18px;
  background: transparent;
  cursor: pointer;
}

.mobile-toggle span {
  display: block;
  height: 2px;
  width: 100%;
  background-color: var(--color-ink-strong);
  border-radius: 1px;
  transition: all var(--transition-smooth);
}

.mobile-toggle.open span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.mobile-toggle.open span:nth-child(2) {
  opacity: 0;
}

.mobile-toggle.open span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* Mobile Drawer */
.mobile-drawer-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(4px);
  z-index: 101;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-fast);
}

.mobile-drawer-overlay.active {
  opacity: 1;
  visibility: visible;
}

.mobile-drawer {
  position: fixed;
  top: 0;
  right: -100%;
  width: min(85vw, 340px);
  height: 100vh;
  background: var(--color-canvas);
  border-left: 1px solid var(--color-surface);
  padding: 80px 24px 32px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  z-index: 102;
  transition: right var(--transition-smooth);
}

.mobile-drawer.open {
  right: 0;
}

.mobile-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.mobile-links .nav-link {
  font-size: 1.15rem;
  font-weight: 600;
  padding: 8px 0;
  border-bottom: 1px solid var(--color-surface);
}

/* --------------------------------------------------------------------------
   Hero Section (72px Display + Two-Tone Split)
   -------------------------------------------------------------------------- */
.hero-section {
  padding-top: calc(var(--header-height) + 50px);
  padding-bottom: var(--space-section);
  position: relative;
  overflow: hidden;
}

.hero-centered {
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
}

.hero-headline {
  margin-bottom: var(--space-lg);
}

.hero-lead {
  font-size: 20px;
  line-height: 1.6;
  color: var(--color-muted-deep);
  margin-bottom: var(--space-xl);
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  margin-bottom: var(--space-xxl);
}

.hero-media-wrapper {
  margin-top: var(--space-huge);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-surface);
  overflow: hidden;
  background: var(--color-canvas-alt);
  position: relative;
}

.hero-media-wrapper img {
  width: 100%;
  height: auto;
  max-height: 480px;
  object-fit: cover;
}

/* --------------------------------------------------------------------------
   Stats Strip (Clean, Flat, Hairline Borders)
   -------------------------------------------------------------------------- */
.stats-strip {
  border-top: 1px solid var(--color-surface);
  border-bottom: 1px solid var(--color-surface);
  background: var(--color-canvas-subtle);
  padding: var(--space-xl) 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
  text-align: center;
}

.stat-item {
  padding: var(--space-xs);
  position: relative;
}

.stat-item:not(:last-child)::after {
  content: '';
  position: absolute;
  right: 0;
  top: 15%;
  height: 70%;
  width: 1px;
  background: var(--color-surface);
}

.stat-number {
  font-family: var(--font-main);
  font-size: clamp(2rem, 3.8vw, 3rem);
  font-weight: 700;
  line-height: 1;
  color: var(--color-ink-strong);
  margin-bottom: 4px;
}

.stat-number span.plus {
  color: var(--color-accent);
}

.stat-label {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* --------------------------------------------------------------------------
   Bytewax Feature Cards (Flat, Hairline Border, 12px Radius)
   -------------------------------------------------------------------------- */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--space-lg);
}

.feature-card {
  background-color: var(--color-canvas);
  border: 1px solid var(--color-surface);
  border-radius: var(--radius-lg); /* Bytewax: 12px */
  padding: var(--space-xl);
  display: flex;
  flex-direction: column;
  transition: all var(--transition-fast);
  position: relative;
}

.feature-card:hover {
  border-color: var(--color-ink-strong);
  transform: translateY(-2px);
}

.feature-icon-wrapper {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: var(--color-canvas-alt);
  border: 1px solid var(--color-surface);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-ink-strong);
  margin-bottom: var(--space-md);
  transition: all var(--transition-fast);
}

.feature-card:hover .feature-icon-wrapper {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #171717;
}

.card-title {
  font-size: 20px; /* Bytewax Title Token */
  font-weight: 600;
  color: var(--color-ink-strong);
  margin-bottom: 8px;
}

.card-description {
  font-size: 16px;
  color: var(--color-ink);
  line-height: 1.556;
  margin-bottom: var(--space-lg);
  flex-grow: 1;
}

/* Bytewax Feature Card Link ("CHECK OUR BLOG →") */
.feature-card-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-muted);
  margin-top: auto;
  transition: color var(--transition-fast);
}

.feature-card-link i, .feature-card-link svg {
  width: 16px;
  height: 16px;
  transition: transform var(--transition-fast);
}

.feature-card:hover .feature-card-link {
  color: var(--color-ink-strong);
}

.feature-card:hover .feature-card-link i,
.feature-card:hover .feature-card-link svg {
  transform: translateX(4px);
}

/* --------------------------------------------------------------------------
   Alternating Editorial Rows (Clean & Minimal)
   -------------------------------------------------------------------------- */
.editorial-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: var(--space-huge);
  margin-bottom: var(--space-section);
}

.editorial-row:last-child {
  margin-bottom: 0;
}

.editorial-row.reverse {
  direction: rtl;
}

.editorial-row.reverse > * {
  direction: ltr;
}

.editorial-media-card {
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-surface);
  overflow: hidden;
  background: var(--color-canvas-alt);
}

.editorial-media-card img {
  width: 100%;
  height: 360px;
  object-fit: cover;
}

.feature-checklist {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  margin: var(--space-lg) 0;
}

.checklist-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 16px;
  color: var(--color-ink);
}

.checklist-icon {
  width: 20px;
  height: 20px;
  border-radius: var(--radius-xs);
  background: var(--color-accent-light);
  color: #B58408;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
}

/* Tech Badges */
.badge-group {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 10px;
}

.tech-badge {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  padding: 3px 8px;
  border-radius: var(--radius-xs);
  background: var(--color-canvas-alt);
  border: 1px solid var(--color-surface);
  color: var(--color-muted-deep);
}

.tech-badge.badge-accent {
  background: var(--color-accent-light);
  border-color: var(--color-accent);
  color: #8C6200;
}

/* --------------------------------------------------------------------------
   Filter Tabs
   -------------------------------------------------------------------------- */
.filter-tabs {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: var(--space-huge);
}

.filter-btn {
  font-family: var(--font-main);
  font-size: 14px;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  background: var(--color-canvas);
  border: 1px solid var(--color-surface);
  color: var(--color-muted);
  transition: all var(--transition-fast);
}

.filter-btn:hover {
  border-color: var(--color-ink-strong);
  color: var(--color-ink-strong);
}

.filter-btn.active {
  background: var(--color-black);
  border-color: var(--color-black);
  color: var(--color-canvas);
}

[data-theme="dark"] .filter-btn.active {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #000000;
}

/* --------------------------------------------------------------------------
   Project Gallery Cards (Flat Hairline Border)
   -------------------------------------------------------------------------- */
.project-card {
  background: var(--color-canvas);
  border: 1px solid var(--color-surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-fast);
}

.project-card:hover {
  border-color: var(--color-ink-strong);
  transform: translateY(-2px);
}

.project-thumbnail {
  position: relative;
  height: 220px;
  overflow: hidden;
  background: var(--color-canvas-alt);
  border-bottom: 1px solid var(--color-surface);
}

.project-thumbnail img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.project-category-tag {
  position: absolute;
  top: 12px;
  left: 12px;
  background: var(--color-canvas);
  border: 1px solid var(--color-surface);
  color: var(--color-ink-strong);
  padding: 3px 8px;
  border-radius: var(--radius-xs);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
}

.project-body {
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.project-footer {
  margin-top: auto;
  padding-top: var(--space-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--color-surface);
}

/* --------------------------------------------------------------------------
   Forms (Clean Hairline Borders, 6px Radius)
   -------------------------------------------------------------------------- */
.form-card {
  background: var(--color-canvas);
  border: 1px solid var(--color-surface);
  border-radius: var(--radius-lg);
  padding: clamp(24px, 4vw, 40px);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  position: relative;
}

.form-group.col-full {
  grid-column: 1 / -1;
}

.form-label {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-ink-strong);
}

.form-label .required {
  color: #DC2626;
}

.form-control {
  width: 100%;
  background: var(--color-canvas);
  border: 1px solid var(--color-surface);
  border-radius: var(--radius-sm); /* 6px */
  padding: 10px 14px;
  color: var(--color-ink-strong);
  font-size: 15px;
  transition: border-color var(--transition-fast);
}

.form-control:focus {
  border-color: var(--color-ink-strong);
  outline: none;
}

.form-control::placeholder {
  color: var(--color-on-primary);
}

textarea.form-control {
  min-height: 120px;
  resize: vertical;
}

.form-group.error .form-control {
  border-color: #DC2626;
  background: #FEF2F2;
}

.form-feedback {
  font-size: 12px;
  color: #DC2626;
  display: none;
}

.form-group.error .form-feedback {
  display: block;
}

/* --------------------------------------------------------------------------
   Full-Bleed Marquee Band (Bytewax Style: Yellow Accent Background)
   -------------------------------------------------------------------------- */
.marquee-band {
  background: var(--color-accent);
  color: #171717;
  padding: var(--space-md) 0;
  overflow: hidden;
  white-space: nowrap;
  border-top: 1px solid rgba(0, 0, 0, 0.08);
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}

.marquee-track {
  display: inline-flex;
  gap: 40px;
  animation: marqueeScroll 25s linear infinite;
}

.marquee-item {
  display: inline-flex;
  align-items: center;
  gap: 16px;
  font-family: var(--font-main);
  font-size: clamp(1.1rem, 2vw, 1.4rem);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: -0.01em;
}

.marquee-star {
  font-size: 1rem;
}

/* --------------------------------------------------------------------------
   Pre-Footer CTA Band (Bytewax: Clean Surface, Minimalist Closure)
   -------------------------------------------------------------------------- */
.cta-band {
  background: var(--color-canvas-subtle);
  border-top: 1px solid var(--color-surface);
  border-bottom: 1px solid var(--color-surface);
  padding: var(--space-section) 0;
  text-align: center;
}

.cta-band .cta-title {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: var(--space-md);
}

/* --------------------------------------------------------------------------
   Footer (White Canvas, Minimalist Developer Layout)
   -------------------------------------------------------------------------- */
.site-footer {
  background-color: var(--color-canvas);
  border-top: 1px solid var(--color-surface);
  padding: var(--space-section) 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.3fr;
  gap: var(--space-huge);
  margin-bottom: var(--space-huge);
}

.footer-brand p {
  font-size: 15px;
  color: var(--color-muted);
  max-width: 320px;
  margin-top: 12px;
  margin-bottom: var(--space-lg);
}

.footer-socials {
  display: flex;
  align-items: center;
  gap: 8px;
}

.social-icon-btn {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: var(--color-canvas-alt);
  border: 1px solid var(--color-surface);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-ink-strong);
  transition: all var(--transition-fast);
}

.social-icon-btn:hover {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #171717;
}

.footer-col-title {
  font-size: 14px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-ink-strong);
  margin-bottom: var(--space-md);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-link {
  font-size: 15px;
  color: var(--color-muted);
  transition: color var(--transition-fast);
}

.footer-link:hover {
  color: var(--color-ink-strong);
}

.contact-meta-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 15px;
  color: var(--color-muted-deep);
  margin-bottom: 12px;
}

.contact-meta-item i, .contact-meta-item svg {
  color: var(--color-ink-strong);
  flex-shrink: 0;
  margin-top: 3px;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 24px;
  border-top: 1px solid var(--color-surface);
  font-size: 14px;
  color: var(--color-muted);
  flex-wrap: wrap;
  gap: 16px;
}

/* Back to Top */
#back-to-top {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 42px;
  height: 42px;
  background: var(--color-black);
  color: var(--color-canvas);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--transition-smooth);
  z-index: 99;
}

#back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

#back-to-top:hover {
  background: var(--color-accent);
  color: #171717;
}

/* Toast Notification (Clean Bytewax Style) */
#toast-container {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  gap: 8px;
  z-index: 10000;
  pointer-events: none;
}

.toast {
  background: var(--color-black);
  color: var(--color-canvas);
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 10px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  pointer-events: auto;
  opacity: 0;
  transform: translateY(12px);
  transition: all 0.2s ease;
}

.toast.show {
  opacity: 1;
  transform: translateY(0);
}

.toast.toast-success {
  border-left: 3px solid var(--color-accent);
}

.toast.toast-error {
  border-left: 3px solid #DC2626;
}

/* Modal Popup */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-fast);
  padding: 20px;
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal-content {
  background: var(--color-canvas);
  border: 1px solid var(--color-surface);
  border-radius: var(--radius-lg);
  max-width: 640px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  padding: clamp(24px, 4vw, 36px);
  position: relative;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.modal-close-btn {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  background: var(--color-canvas-alt);
  border: 1px solid var(--color-surface);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-ink-strong);
}

.modal-close-btn:hover {
  background: var(--color-surface);
}