/* ==========================================================================
   SHELBY DYNAMICS LLC - Core Stylesheet
   Design: Industrial-Tech, Minimalist, Glassmorphism, Premium Dark Default
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Design Tokens & Core Variables
   -------------------------------------------------------------------------- */
:root {
  /* Fonts */
  --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  /* Theme-specific custom properties (fallback values) */
  --bg-primary-light: oklch(98% 0.01 250);
  --bg-primary-dark: oklch(12% 0.015 250);
  --bg-secondary-light: oklch(94% 0.01 250);
  --bg-secondary-dark: oklch(16% 0.02 250);
  
  --text-primary-light: oklch(20% 0.015 250);
  --text-primary-dark: oklch(96% 0.01 250);
  --text-secondary-light: oklch(45% 0.02 250);
  --text-secondary-dark: oklch(68% 0.02 250);

  --accent-light: oklch(55% 0.2 230); /* Electric Teal/Blue */
  --accent-dark: oklch(76% 0.16 200);  /* Electric Cyan */
  --accent-glow-light: oklch(55% 0.2 230 / 0.15);
  --accent-glow-dark: oklch(76% 0.16 200 / 0.15);

  --glass-bg-light: oklch(100% 0 0 / 0.6);
  --glass-bg-dark: oklch(16% 0.02 250 / 0.7);
  --glass-border-light: oklch(0% 0 0 / 0.08);
  --glass-border-dark: oklch(100% 0 0 / 0.08);

  --shadow-color-light: oklch(0% 0 0 / 0.06);
  --shadow-color-dark: oklch(0% 0 0 / 0.4);

  /* Global variables (default to Dark Mode first, as per branding instructions) */
  --bg-primary: var(--bg-primary-dark);
  --bg-secondary: var(--bg-secondary-dark);
  --text-primary: var(--text-primary-dark);
  --text-secondary: var(--text-secondary-dark);
  --accent: var(--accent-dark);
  --accent-glow: var(--accent-glow-dark);
  --glass-bg: var(--glass-bg-dark);
  --glass-border: var(--glass-border-dark);
  --shadow-color: var(--shadow-color-dark);

  /* Layout and Sizing */
  --header-height: 80px;
  --max-width: 1280px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-pill: 9999px;

  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);

  /* Viewport elements default to dark */
  color-scheme: dark light;
}

/* System prefers-color-scheme overrides */
@media (prefers-color-scheme: light) {
  :root {
    --bg-primary: var(--bg-primary-light);
    --bg-secondary: var(--bg-secondary-light);
    --text-primary: var(--text-primary-light);
    --text-secondary: var(--text-secondary-light);
    --accent: var(--accent-light);
    --accent-glow: var(--accent-glow-light);
    --glass-bg: var(--glass-bg-light);
    --glass-border: var(--glass-border-light);
    --shadow-color: var(--shadow-color-light);
  }
}

/* Manual color scheme override via attribute (HTML element) */
[data-theme="light"] {
  --bg-primary: var(--bg-primary-light);
  --bg-secondary: var(--bg-secondary-light);
  --text-primary: var(--text-primary-light);
  --text-secondary: var(--text-secondary-light);
  --accent: var(--accent-light);
  --accent-glow: var(--accent-glow-light);
  --glass-bg: var(--glass-bg-light);
  --glass-border: var(--glass-border-light);
  --shadow-color: var(--shadow-color-light);
  color-scheme: light;
}

[data-theme="dark"] {
  --bg-primary: var(--bg-primary-dark);
  --bg-secondary: var(--bg-secondary-dark);
  --text-primary: var(--text-primary-dark);
  --text-secondary: var(--text-secondary-dark);
  --accent: var(--accent-dark);
  --accent-glow: var(--accent-glow-dark);
  --glass-bg: var(--glass-bg-dark);
  --glass-border: var(--glass-border-dark);
  --shadow-color: var(--shadow-color-dark);
  color-scheme: dark;
}

/* --------------------------------------------------------------------------
   2. Reset & Base Styles
   -------------------------------------------------------------------------- */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  accent-color: var(--accent);
}

body {
  min-block-size: 100dvh;
  position: relative;
  overflow-x: hidden;
  /* Ambient Grid Background */
  background-image: 
    radial-gradient(circle at 10% 20%, var(--accent-glow) 0%, transparent 40%),
    radial-gradient(circle at 85% 70%, oklch(60% 0.15 280 / 0.08) 0%, transparent 45%),
    linear-gradient(to right, oklch(100% 0 0 / 0.02) 1px, transparent 1px),
    linear-gradient(to bottom, oklch(100% 0 0 / 0.02) 1px, transparent 1px);
  background-size: 100% 100%, 100% 100%, 64px 64px, 64px 64px;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.25;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

/* Focus outline */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
}

/* --------------------------------------------------------------------------
   3. Custom Layout & Grid Systems
   -------------------------------------------------------------------------- */
.container {
  inline-size: 100%;
  max-inline-size: var(--max-width);
  margin-inline: auto;
  padding-inline: 1.5rem;
}

/* Section block spacing */
section {
  padding-block: 6rem;
}

@media (max-width: 768px) {
  section {
    padding-block: 4rem;
  }
}

/* --------------------------------------------------------------------------
   4. Header & Navigation (Glassmorphism)
   -------------------------------------------------------------------------- */
.header {
  position: fixed;
  inset-block-start: 0;
  inset-inline: 0;
  block-size: var(--header-height);
  z-index: 100;
  display: flex;
  align-items: center;
  border-block-end: 1px solid transparent;
  transition: background-color var(--transition-normal), border-color var(--transition-normal), block-size var(--transition-normal);
}

.header.scrolled {
  background-color: var(--glass-bg);
  backdrop-filter: blur(16px);
  border-block-end: 1px solid var(--glass-border);
  block-size: 70px;
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  inline-size: 100%;
}

.logo {
  display: flex;
  align-items: center;
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  color: var(--text-primary);
  text-transform: uppercase;
}

.logo-img {
  height: 44px;
  width: auto;
  display: block;
  transition: filter var(--transition-normal);
}

/* In light mode, turn the footer logo black */
[data-theme="light"] .logo-img {
  filter: brightness(0);
}

@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) .logo-img {
    filter: brightness(0);
  }
}

/* Ensure manual dark overrides clear filter */
[data-theme="dark"] .logo-img {
  filter: none;
}

/* Hero Logo Styling - Big & Bold */
.hero-logo {
  height: 275px; /* Extremely prominent hero presence */
  width: auto;
  display: block;
  margin-block-end: 1.5rem;
  transition: filter var(--transition-normal);
}

@media (max-width: 1024px) {
  .hero-logo {
    height: 180px; /* Scale down for mobile/tablet */
    margin-inline: auto; /* center in mobile hero */
  }
}

@media (max-width: 480px) {
  .hero-logo {
    height: 120px; /* Scale down more for small phones */
  }
}

/* In light mode, turn the hero logo black */
[data-theme="light"] .hero-logo {
  filter: brightness(0);
}

@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) .hero-logo {
    filter: brightness(0);
  }
}

/* Ensure manual dark overrides clear filter */
[data-theme="dark"] .hero-logo {
  filter: none;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

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

.nav-links a:hover,
.nav-links a.active {
  color: var(--text-primary);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Modern Theme Toggle Button */
.theme-toggle-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background-color: var(--bg-secondary);
  border: 1px solid var(--glass-border);
  cursor: pointer;
  transition: border-color var(--transition-fast), background-color var(--transition-fast);
}

.theme-toggle-btn:hover {
  border-color: var(--accent);
}

.theme-toggle-btn svg {
  width: 20px;
  height: 20px;
  color: var(--text-secondary);
  transition: color var(--transition-fast), transform var(--transition-normal);
}

.theme-toggle-btn:hover svg {
  color: var(--text-primary);
  transform: rotate(15deg);
}

/* Light / Dark indicator icons */
.theme-toggle-btn .sun-icon {
  display: none;
}

[data-theme="light"] .theme-toggle-btn .sun-icon {
  display: block;
}
[data-theme="light"] .theme-toggle-btn .moon-icon {
  display: none;
}

/* Mobile Menu Toggle */
.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 24px;
  height: 18px;
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--text-primary);
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

@media (max-width: 900px) {
  .menu-toggle {
    display: flex;
  }

  .nav-links {
    position: fixed;
    inset-block-start: var(--header-height);
    inset-inline-end: -100%;
    width: 280px;
    height: calc(100vh - var(--header-height));
    flex-direction: column;
    align-items: flex-start;
    padding: 3rem 2rem;
    background-color: var(--bg-secondary);
    border-inline-start: 1px solid var(--glass-border);
    transition: inset-inline-end var(--transition-normal);
    box-shadow: -10px 0 30px var(--shadow-color);
  }

  .nav-links.open {
    inset-inline-end: 0;
  }

  /* Hamburguer animation state */
  .menu-toggle.open span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
  }
  .menu-toggle.open span:nth-child(2) {
    opacity: 0;
  }
  .menu-toggle.open span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
  }
}

/* --------------------------------------------------------------------------
   5. Buttons & Interactive Elements
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: background-color var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
}

.btn-primary {
  background-color: var(--accent);
  color: oklch(10% 0.015 250); /* Dark slate background contrast */
  font-weight: 700;
  box-shadow: 0 4px 14px var(--accent-glow);
}

.btn-primary:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px oklch(76% 0.16 200 / 0.35);
  background-color: oklch(82% 0.14 200);
}

.btn-primary:active:not(:disabled) {
  transform: translateY(0);
}

.btn-secondary {
  border: 1px solid var(--glass-border);
  background-color: var(--glass-bg);
  color: var(--text-primary);
  backdrop-filter: blur(8px);
}

.btn-secondary:hover:not(:disabled) {
  border-color: var(--accent);
  background-color: var(--bg-secondary);
  transform: translateY(-2px);
}

.btn-secondary:active:not(:disabled) {
  transform: translateY(0);
}

/* --------------------------------------------------------------------------
   6. Hero Section (Left-Right Split & Terminal Simulation)
   -------------------------------------------------------------------------- */
.hero-section {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 4rem;
  align-items: center;
  min-block-size: calc(100dvh - var(--header-height));
  padding-block-start: calc(var(--header-height) + 2rem);
  padding-block-end: 4rem;
}

@media (max-width: 1024px) {
  .hero-section {
    grid-template-columns: 1fr;
    gap: 3rem;
    padding-block-start: calc(var(--header-height) + 1.5rem);
    text-align: center;
  }
}

.hero-content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1.5rem;
}

@media (max-width: 1024px) {
  .hero-content {
    align-items: center;
  }
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-pill);
  background-color: var(--accent-glow);
  border: 1px solid oklch(76% 0.16 200 / 0.25);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--accent);
  text-transform: uppercase;
}

.hero-title {
  font-size: clamp(2.25rem, 4.5vw, 3.5rem);
  line-height: 1.15;
  letter-spacing: -0.03em;
}

/* Styled Gradient Text */
.gradient-text {
  background: linear-gradient(135deg, var(--text-primary) 30%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subheadline {
  font-size: clamp(1rem, 2.5vw, 1.15rem);
  color: var(--text-secondary);
  line-height: 1.6;
  max-inline-size: 600px;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-block-start: 1rem;
}

/* Terminal Styling */
.hero-visual {
  position: relative;
  inline-size: 100%;
}

.terminal-window {
  /* Force dark mode variables inside the terminal for light mode legibility */
  --text-primary: oklch(96% 0.01 250);
  --text-secondary: oklch(68% 0.02 250);
  --accent: oklch(76% 0.16 200);
  --glass-border: oklch(100% 0 0 / 0.08);
  color-scheme: dark;

  width: 100%;
  border-radius: var(--radius-md);
  background-color: oklch(10% 0.015 250);
  border: 1px solid var(--glass-border);
  box-shadow: 0 20px 40px var(--shadow-color);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.terminal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1rem;
  background-color: oklch(14% 0.015 250);
  border-block-end: 1px solid var(--glass-border);
}

.terminal-dots {
  display: flex;
  gap: 0.35rem;
}

.terminal-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.terminal-dot:nth-child(1) { background-color: #ff5f56; }
.terminal-dot:nth-child(2) { background-color: #ffbd2e; }
.terminal-dot:nth-child(3) { background-color: #27c93f; }

.terminal-title {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-secondary);
  letter-spacing: 0.05em;
}

.terminal-body {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-primary);
  padding: 1.25rem;
  min-height: 280px;
  max-height: 380px;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--glass-border) transparent;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  line-height: 1.5;
}

.terminal-prompt {
  color: var(--accent);
}

.terminal-cursor {
  display: inline-block;
  width: 8px;
  height: 15px;
  background-color: var(--accent);
  vertical-align: middle;
  animation: blink 1s step-end infinite;
}

.terminal-agent-tag {
  color: oklch(65% 0.15 280);
  font-weight: bold;
}

.terminal-system-tag {
  color: oklch(80% 0.12 140);
}

.terminal-error-tag {
  color: oklch(60% 0.18 20);
}

.terminal-success-tag {
  color: oklch(75% 0.16 140);
  font-weight: bold;
}

@keyframes blink {
  from, to { background-color: transparent }
  50% { background-color: var(--accent) }
}

/* --------------------------------------------------------------------------
   7. Advantage Section (Why Us - Pinned Grid)
   -------------------------------------------------------------------------- */
.section-title-wrap {
  text-align: center;
  max-width: 650px;
  margin-inline: auto;
  margin-block-end: 4rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.section-subtitle {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.section-title {
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
}

.advantage-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

@media (max-width: 900px) {
  .advantage-grid {
    grid-template-columns: 1fr;
  }
}

.advantage-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--glass-border);
  padding: 2.5rem 2rem;
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  position: relative;
  transition: transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.advantage-card:hover {
  transform: translateY(-6px);
  border-color: var(--accent);
  box-shadow: 0 10px 30px var(--shadow-color);
}

.advantage-icon-container {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background-color: var(--accent-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  border: 1px solid oklch(76% 0.16 200 / 0.15);
}

.advantage-card h3 {
  font-size: 1.2rem;
}

.advantage-card p {
  font-size: 0.95rem;
  line-height: 1.6;
}

/* --------------------------------------------------------------------------
   8. Services Tab Section
   -------------------------------------------------------------------------- */
.services-section {
  background-color: var(--bg-secondary);
  position: relative;
}

.tabs-container {
  display: flex;
  justify-content: center;
  margin-block-end: 3rem;
}

.tabs-wrapper {
  display: inline-flex;
  background-color: var(--bg-primary);
  padding: 0.35rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--glass-border);
  position: relative;
}

.tab-btn {
  padding: 0.6rem 1.5rem;
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: calc(var(--radius-sm) - 2px);
  cursor: pointer;
  color: var(--text-secondary);
  position: relative;
  z-index: 2;
  transition: color var(--transition-normal);
}

.tab-btn.active {
  color: var(--text-primary);
  background-color: var(--bg-secondary);
  border: 1px solid var(--glass-border);
  box-shadow: 0 4px 10px var(--shadow-color);
}

/* Sliding active tab indicator fallback or default styling */
.services-pane {
  display: none;
  opacity: 0;
  transform: translateY(15px);
  transition: opacity var(--transition-normal), transform var(--transition-normal);
}

.services-pane.active {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 900px) {
  .services-pane.active {
    grid-template-columns: 1fr;
  }
}

.service-card {
  background-color: var(--bg-primary);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 2.5rem 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  transition: transform var(--transition-normal), border-color var(--transition-normal);
}

.service-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
}

.service-card-header {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.service-icon {
  color: var(--accent);
  width: 32px;
  height: 32px;
  margin-block-end: 0.5rem;
}

.service-card h3 {
  font-size: 1.25rem;
}

.service-card p {
  font-size: 0.9rem;
  line-height: 1.5;
}

.service-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-block-start: auto;
  border-block-start: 1px solid var(--glass-border);
  padding-block-start: 1.5rem;
}

.service-features li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.service-features svg {
  flex-shrink: 0;
  width: 16px;
  height: 16px;
  color: var(--accent);
  margin-block-start: 0.15rem;
}

/* --------------------------------------------------------------------------
   9. Contact & Secure Intake Form
   -------------------------------------------------------------------------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 4rem;
}

@media (max-width: 900px) {
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.contact-info-block {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.contact-info-block h3 {
  font-size: 1.1rem;
}

.contact-info-block p {
  font-size: 0.95rem;
}

.tech-signature {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent);
  border-inline-start: 2px solid var(--accent);
  padding-inline-start: 1rem;
  margin-block-start: auto;
}

.intake-form {
  background-color: var(--bg-secondary);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 3rem;
  box-shadow: 0 15px 35px var(--shadow-color);
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

@media (max-width: 600px) {
  .intake-form {
    padding: 1.5rem;
  }
}

.form-group-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

@media (max-width: 600px) {
  .form-group-row {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  position: relative;
}

.form-group label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.form-control {
  width: 100%;
  padding: 0.85rem 1rem;
  border-radius: var(--radius-sm);
  background-color: var(--bg-primary);
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-control:focus {
  border-color: var(--accent);
  box-shadow: 0 0 10px var(--accent-glow);
}

/* User verification outline using modern CSS validity selectors */
.form-control:user-invalid {
  border-color: oklch(60% 0.18 20);
  box-shadow: 0 0 10px oklch(60% 0.18 20 / 0.15);
}

.form-control:user-valid {
  border-color: oklch(70% 0.15 140);
}

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

select.form-control {
  appearance: none;
  background-image: url("data:image/svg+xml;charset=UTF-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='oklch(68%25 0.02 250)' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  background-size: 1.25em;
  padding-inline-end: 2.5rem;
}

.form-btn {
  width: 100%;
  margin-block-start: 0.5rem;
}

.form-status {
  font-size: 0.85rem;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  display: none;
}

.form-status.success {
  display: block;
  background-color: oklch(75% 0.16 140 / 0.15);
  border: 1px solid oklch(75% 0.16 140 / 0.3);
  color: oklch(80% 0.12 140);
}

.form-status.error {
  display: block;
  background-color: oklch(60% 0.18 20 / 0.15);
  border: 1px solid oklch(60% 0.18 20 / 0.3);
  color: oklch(75% 0.14 20);
}

/* --------------------------------------------------------------------------
   10. Footer Section
   -------------------------------------------------------------------------- */
.footer {
  border-block-start: 1px solid var(--glass-border);
  background-color: oklch(10% 0.015 250);
  padding-block: 4rem 2rem;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 2rem;
  margin-block-end: 3rem;
}

.footer-nav {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.footer-nav a {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.footer-nav a:hover {
  color: var(--text-primary);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
  border-block-start: 1px solid var(--glass-border);
  padding-block-start: 2rem;
}

.footer-bottom p {
  font-size: 0.8rem;
}

.security-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-secondary);
  padding: 0.25rem 0.6rem;
  border-radius: 4px;
  background-color: var(--bg-secondary);
  border: 1px solid var(--glass-border);
}

.security-badge svg {
  width: 12px;
  height: 12px;
  color: var(--accent);
}

@media (max-width: 600px) {
  .footer-top, .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
  .footer-nav {
    flex-direction: column;
    gap: 1rem;
  }
}