/* ==========================================================================
   Rockieweb Industries - Style System
   ========================================================================== */

/* --------------------------------------------------------------------------
   CSS Custom Properties
   -------------------------------------------------------------------------- */
:root {
  /* Colors - Dark Mode (default) */
  --color-bg: #0f0f1a;
  --color-bg-elevated: #1a1a2e;
  --color-text: #e8e8e8;
  --color-text-muted: #a0a0a0;
  --color-accent: #38bdf8;
  --color-accent-hover: #7dd3fc;
  --color-border: #2a2a3e;

  /* Tumeeto Product Colors */
  --tumeeto-green: #22c55e;
  --tumeeto-green-dark: #16a34a;

  /* Typography */
  --font-heading: 'Red Hat Display', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Figtree', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;

  /* Fluid Typography Scale */
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.9rem + 0.5vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.6vw, 1.25rem);
  --text-xl: clamp(1.25rem, 1.1rem + 0.75vw, 1.5rem);
  --text-2xl: clamp(1.5rem, 1.25rem + 1.25vw, 2rem);
  --text-3xl: clamp(2rem, 1.5rem + 2.5vw, 3rem);
  --text-4xl: clamp(2.5rem, 1.75rem + 3.75vw, 4rem);

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;
  --space-5xl: 8rem;

  /* Layout */
  --max-width: 1200px;
  --content-width: 65ch;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;

  /* Border Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
}

/* Light Mode */
[data-theme="light"] {
  --color-bg: #fafafa;
  --color-bg-elevated: #ffffff;
  --color-text: #1a1a1a;
  --color-text-muted: #666666;
  --color-accent: #0284c7;
  --color-accent-hover: #0369a1;
  --color-border: #e5e5e5;
}

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

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

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img,
picture,
video,
canvas,
svg {
  display: block;
  max-width: 100%;
}

input,
button,
textarea,
select {
  font: inherit;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  text-wrap: balance;
}

p {
  text-wrap: pretty;
}

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

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

ul, ol {
  list-style: none;
}

/* --------------------------------------------------------------------------
   Layout
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--space-lg);
}

.section {
  padding-block: var(--space-4xl);
}

.section--hero {
  padding-block: var(--space-5xl) var(--space-4xl);
}

/* --------------------------------------------------------------------------
   Header
   -------------------------------------------------------------------------- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding-block: var(--space-lg);
  background-color: var(--color-bg);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition-base), background-color var(--transition-base);
}

.header.scrolled {
  border-bottom-color: var(--color-border);
  background-color: color-mix(in srgb, var(--color-bg) 95%, transparent);
  backdrop-filter: blur(10px);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-xl);
}

.header__logo {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text);
  text-decoration: none;
}

.header__logo:hover {
  color: var(--color-text);
}

.header__nav {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}

.header__link {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
}

.header__link:hover,
.header__link.active {
  color: var(--color-text);
}

.theme-toggle {
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-sm);
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
}

.theme-toggle:hover {
  color: var(--color-text);
}

.theme-toggle svg {
  width: 20px;
  height: 20px;
}

.theme-toggle .icon-sun {
  display: none;
}

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

[data-theme="light"] .theme-toggle .icon-sun {
  display: block;
}

/* --------------------------------------------------------------------------
   Hero Section
   -------------------------------------------------------------------------- */
.hero {
  padding-top: calc(80px + var(--space-5xl));
  text-align: center;
}

.hero__tagline {
  font-size: var(--text-4xl);
  font-weight: 700;
  margin-bottom: var(--space-lg);
  background: linear-gradient(135deg, var(--color-text) 0%, var(--color-text-muted) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero__description {
  font-size: var(--text-xl);
  color: var(--color-text-muted);
  max-width: var(--content-width);
  margin-inline: auto;
}

/* --------------------------------------------------------------------------
   Product Spotlight
   -------------------------------------------------------------------------- */
.product-spotlight {
  background-color: var(--color-bg);
}

.product-card {
  background: linear-gradient(135deg, var(--color-bg-elevated) 0%, color-mix(in srgb, var(--color-bg-elevated) 80%, var(--tumeeto-green)) 100%);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-3xl);
  max-width: 600px;
  margin-inline: auto;
  text-align: center;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.product-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px -20px rgba(34, 197, 94, 0.2);
}

.product-card__logo {
  width: 80px;
  height: 80px;
  margin-inline: auto;
  margin-bottom: var(--space-lg);
}

.product-card__name {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-md);
}

.product-card__description {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  margin-bottom: var(--space-xl);
}

.product-card__badge {
  display: inline-block;
  padding: var(--space-sm) var(--space-lg);
  background-color: var(--tumeeto-green);
  color: #0f0f1a;
  font-size: var(--text-sm);
  font-weight: 600;
  border-radius: var(--radius-md);
}

/* --------------------------------------------------------------------------
   Coming Soon Section
   -------------------------------------------------------------------------- */
.coming-soon {
  text-align: center;
}

.coming-soon__text {
  font-size: var(--text-xl);
  color: var(--color-text-muted);
  font-style: italic;
}

/* --------------------------------------------------------------------------
   Values Section
   -------------------------------------------------------------------------- */
.values {
  background-color: var(--color-bg-elevated);
}

.values__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-xl);
  max-width: 900px;
  margin-inline: auto;
}

.value-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
}

.value-item__icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  color: var(--color-accent);
}

.value-item__text {
  font-size: var(--text-base);
  color: var(--color-text-muted);
}

/* --------------------------------------------------------------------------
   About Page Sections
   -------------------------------------------------------------------------- */
.about-hero {
  padding-top: calc(80px + var(--space-4xl));
  text-align: center;
}

.about-hero__title {
  font-size: var(--text-3xl);
  margin-bottom: var(--space-lg);
}

.about-hero__description {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: var(--content-width);
  margin-inline: auto;
}

.company-story {
  max-width: var(--content-width);
  margin-inline: auto;
}

.company-story p {
  margin-bottom: var(--space-lg);
  color: var(--color-text-muted);
}

.bio {
  background-color: var(--color-bg-elevated);
}

.bio__content {
  max-width: var(--content-width);
  margin-inline: auto;
}

.bio__title {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-md);
}

.bio__subtitle {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  margin-bottom: var(--space-xl);
}

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

.bio__list li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  color: var(--color-text-muted);
}

.bio__list li::before {
  content: "";
  flex-shrink: 0;
  width: 6px;
  height: 6px;
  margin-top: 0.6em;
  background-color: var(--color-accent);
  border-radius: 50%;
}

.contact-section {
  text-align: center;
}

.contact-section__title {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-lg);
}

.contact-section__text {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: var(--content-width);
  margin-inline: auto;
  margin-bottom: var(--space-xl);
}

.contact-section__email {
  font-size: var(--text-xl);
  font-weight: 600;
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.footer {
  padding-block: var(--space-3xl);
  border-top: 1px solid var(--color-border);
  text-align: center;
}

.footer__content {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer__company {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: var(--text-base);
}

.footer__tagline {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  font-style: italic;
}

.footer__location {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.footer__links {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

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

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

.footer__separator {
  margin-inline: var(--space-sm);
  opacity: 0.5;
}

/* --------------------------------------------------------------------------
   Animations
   -------------------------------------------------------------------------- */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Staggered animation delays */
.fade-in:nth-child(1) { transition-delay: 0ms; }
.fade-in:nth-child(2) { transition-delay: 100ms; }
.fade-in:nth-child(3) { transition-delay: 200ms; }
.fade-in:nth-child(4) { transition-delay: 300ms; }

/* --------------------------------------------------------------------------
   Utility Classes
   -------------------------------------------------------------------------- */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

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

/* --------------------------------------------------------------------------
   Media Queries
   -------------------------------------------------------------------------- */
@media (max-width: 640px) {
  .header__nav {
    gap: var(--space-lg);
  }

  .section {
    padding-block: var(--space-3xl);
  }

  .section--hero {
    padding-block: var(--space-4xl) var(--space-3xl);
  }

  .product-card {
    padding: var(--space-xl);
  }

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