/* ========================================
   ENDOLUM ACADEMY - PROFESSIONAL DESIGN
   Minimalistic, Prestigious, Balanced Colors
   ======================================== */

/* ========================================
   RESET & VARIABLES
   ======================================== */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  /* Backgrounds - User Specified */
  --color-bg-primary: #0a0f1a;
  --color-bg-secondary: #131b2b;
  --color-bg-elevated: #1a2332;

  /* Color Hierarchy - Balanced Usage */
  --color-accent-primary: #8c52ff;    /* Purple - Primary CTAs, key highlights */
  --color-accent-secondary: #219b9d;  /* Teal - Selected accents only */
  --color-accent-tertiary: #fd7e14;   /* Orange - Special accents */
  --color-accent-subtle: #7a8ea1;     /* Muted blue-gray - Icons and subtle elements */

  /* Text Colors */
  --color-text-primary: #ffffff;
  --color-text-secondary: #a0a0a0;
  --color-text-tertiary: #666666;

  /* Borders */
  --color-border: rgba(255, 255, 255, 0.08);
  --color-border-hover: rgba(255, 255, 255, 0.15);

  /* Typography - Roboto Only */
  --font-primary: 'Roboto', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Spacing System */
  --space-unit: 8px;
  --space-xs: calc(var(--space-unit) * 1);
  --space-sm: calc(var(--space-unit) * 2);
  --space-md: calc(var(--space-unit) * 3);
  --space-lg: calc(var(--space-unit) * 4);
  --space-xl: calc(var(--space-unit) * 6);
  --space-2xl: calc(var(--space-unit) * 8);
  --space-3xl: calc(var(--space-unit) * 12);

  /* Transitions */
  --transition-base: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-primary);
  background: var(--color-bg-primary);
  color: var(--color-text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-weight: 400;
}

/* ========================================
   TYPOGRAPHY
   ======================================== */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-primary);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--color-text-primary);
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  font-weight: 700;
}

h2 {
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 700;
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 700;
}

p {
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--color-text-secondary);
}

/* ========================================
   CONTAINER
   ======================================== */

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

/* ========================================
   SECTION HEADINGS (shared across pages)
   ======================================== */

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  text-align: center;
  margin-bottom: var(--space-md);
}

.section-subtitle {
  text-align: center;
  font-size: 1.125rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-2xl);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* ========================================
   UNIFIED PAGE HERO
   Common hero component for all subpages
   ======================================== */

.page-hero {
  padding: 180px 0 120px;
  background: var(--color-bg-primary);
}

.page-hero--centered {
  text-align: center;
}

.page-hero--centered .page-hero-content {
  max-width: 900px;
  margin: 0 auto;
}

.page-hero-eyebrow {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--color-accent-secondary);
  margin-bottom: var(--space-lg);
}

.page-hero-title {
  font-size: clamp(2.25rem, 4vw, 3.25rem);
  font-weight: 300;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--color-text-primary);
  margin-bottom: 0;
}

.page-hero-subtitle {
  font-size: 1.125rem;
  line-height: 1.7;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-xl);
  max-width: 700px;
}

.page-hero--centered .page-hero-subtitle {
  margin-left: auto;
  margin-right: auto;
}

.page-hero-actions {
  display: flex;
  gap: var(--space-md);
  justify-content: flex-start;
  flex-wrap: wrap;
}

.page-hero--centered .page-hero-actions {
  justify-content: center;
}

.page-hero-badge {
  display: inline-block;
  background: var(--color-accent-primary);
  color: var(--color-bg-primary);
  padding: var(--space-xs) var(--space-md);
  border-radius: 2px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  width: fit-content;
  margin-bottom: var(--space-sm);
}

/* ========================================
   BUTTONS
   ======================================== */

.cta-button,
.btn-hero-primary,
.btn-hero-secondary,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-md) var(--space-xl);
  font-family: var(--font-primary);
  font-size: 0.9375rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: 2px;
  transition: all var(--transition-base);
  cursor: pointer;
  letter-spacing: 0.025em;
  text-transform: uppercase;
  border: 1px solid transparent;
}

/* Primary = Teal */
.cta-button.primary,
.btn-hero-primary {
  background: var(--color-accent-secondary);
  color: var(--color-text-primary);
  border-color: var(--color-accent-secondary);
}

.cta-button.primary:hover,
.btn-hero-primary:hover {
  background: transparent;
  border-color: var(--color-accent-tertiary);
  color: var(--color-accent-tertiary);
}

/* Secondary = Teal */
.cta-button.secondary,
.btn-hero-secondary {
  background: transparent;
  color: var(--color-text-primary);
  border: 1px solid var(--color-border);
}

.cta-button.secondary:hover,
.btn-hero-secondary:hover {
  border-color: var(--color-accent-secondary);
  color: var(--color-accent-secondary);
}

.button {
  background: var(--color-bg-elevated);
  color: var(--color-text-primary);
  border: 1px solid var(--color-border);
}

.button:hover {
  border-color: var(--color-accent-primary);
  background: var(--color-accent-primary);
}

/* ========================================
   FORM INPUTS
   ======================================== */

.compact-input,
.compact-textarea {
  width: 100%;
  padding: var(--space-md) var(--space-lg);
  background: var(--color-bg-primary);
  border: 1px solid var(--color-border);
  color: var(--color-text-primary);
  font-family: var(--font-primary);
  font-size: 0.9375rem;
  margin-bottom: var(--space-md);
  transition: border-color var(--transition-base);
}

.compact-input:focus,
.compact-textarea:focus {
  outline: none;
  border-color: var(--color-accent-primary);
}

.compact-input::placeholder,
.compact-textarea::placeholder {
  color: var(--color-text-tertiary);
}

.compact-textarea {
  resize: vertical;
  min-height: 80px;
}

.compact-contact-form,
.compact-email-form {
  display: flex;
  flex-direction: column;
}

.compact-confirmation {
  margin-top: var(--space-md);
  padding: var(--space-md);
  background: rgba(140, 82, 255, 0.1);
  border: 1px solid var(--color-accent-primary);
  color: var(--color-accent-primary);
  font-size: 0.875rem;
}

/* ========================================
   FOOTER
   ======================================== */

.footer {
  background: var(--color-bg-primary);
  border-top: 1px solid var(--color-border);
  padding: var(--space-3xl) 0 var(--space-xl);
  color: var(--color-text-secondary);
}

.footer-content {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.footer-main {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: var(--space-3xl);
  margin-bottom: var(--space-2xl);
}

.footer-brand {
  max-width: 400px;
}

.footer-logo-section {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}

.footer-logo {
  width: 48px;
  height: 48px;
  object-fit: contain;
}

.footer-brand-name {
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0;
}

.footer-brand-name .brand-endolum {
  color: var(--color-text-primary);
  font-weight: 300;
}

.footer-brand-name .brand-academy {
  color: var(--color-accent-primary);
  font-weight: 700;
}

.footer-tagline {
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-tertiary);
  margin-bottom: var(--space-sm);
}

.footer-description {
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--color-text-tertiary);
}

.footer-nav {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

.footer-section-title {
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-primary);
  margin-bottom: var(--space-md);
}

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

.footer-links a {
  color: var(--color-text-tertiary);
  text-decoration: none;
  font-size: 0.9375rem;
  transition: color var(--transition-base);
}

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

.footer-divider {
  height: 1px;
  background: var(--color-border);
  margin: var(--space-2xl) 0;
}

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

.footer-copyright {
  font-size: 0.875rem;
  color: var(--color-text-tertiary);
}

/* ========================================
   SCROLL REVEAL ANIMATION
   ======================================== */

.reveal-on-scroll {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal-on-scroll.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* ========================================
   BASE RESPONSIVE
   ======================================== */

@media (max-width: 768px) {
  .container {
    padding: 0 var(--space-md);
  }

  .cta-button,
  .btn-hero-primary,
  .btn-hero-secondary {
    width: 100%;
  }

  .footer-main {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }

  .footer-nav {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

  .page-hero {
    padding: 140px 0 80px;
  }

  .page-hero-actions {
    flex-direction: column;
    width: 100%;
  }
}