/* ============================================
   Blue Amber Companies - Professional Design System
   ============================================ */

/* --- Google Fonts --- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600&family=Playfair+Display:ital,wght@0,400;0,500;0,600;0,700;1,400;1,500&display=swap');

/* --- Custom Properties --- */
:root {
  /* Colors */
  --color-primary-navy: #0a192f;
  --color-primary-navy-light: #112240;
  --color-accent-gold: #c5a059;
  --color-accent-gold-hover: #b08d4b;
  
  --color-bg-white: #ffffff;
  --color-bg-light: #f8f9fa;
  --color-bg-dark: #0a192f;

  --color-text-dark: #1f2937;
  --color-text-muted: #6b7280;
  --color-text-light: #ffffff;
  --color-text-light-muted: #9ca3af;

  --color-border: #e5e7eb;

  /* Typography */
  --font-heading: 'Playfair Display', Georgia, 'Times New Roman', serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1.0625rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 2rem;
  --text-4xl: 2.5rem;
  --text-5xl: 3.5rem;
  --text-6xl: 4.5rem;

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

  /* Layout */
  --max-width: 1200px;
  --max-width-narrow: 800px;
  --border-radius-sm: 4px;
  --border-radius: 8px;

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.7;
  color: var(--color-text-dark);
  background-color: var(--color-bg-white);
  overflow-x: hidden;
}

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

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

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

/* --- Utility Classes --- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.section-label {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-accent-gold);
  margin-bottom: var(--space-sm);
  display: block;
}

.section-heading {
  font-family: var(--font-heading);
  font-size: var(--text-4xl);
  font-weight: 600;
  line-height: 1.2;
  color: var(--color-primary-navy);
  margin-bottom: var(--space-lg);
}

.section-heading--light {
  color: var(--color-text-light);
}

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

/* --- Scroll Animations --- */
.animate-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

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

.animate-in-delay-1 { transition-delay: 0.1s; }
.animate-in-delay-2 { transition-delay: 0.2s; }
.animate-in-delay-3 { transition-delay: 0.3s; }

/* ============================================
   NAVIGATION
   ============================================ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: var(--space-lg) 0;
  transition: all var(--transition-base);
  background: transparent;
}

.nav.scrolled {
  background: var(--color-bg-white);
  padding: var(--space-sm) 0;
  box-shadow: var(--shadow-sm);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

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

.nav__logo-img {
  width: 32px;
  height: 32px;
  border-radius: 4px;
}

.nav__logo-text {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--color-text-light);
  letter-spacing: 0.02em;
  transition: color var(--transition-base);
}

.nav.scrolled .nav__logo-text {
  color: var(--color-primary-navy);
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
  list-style: none;
}

.nav__links a {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-light);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  transition: color var(--transition-base);
}

.nav.scrolled .nav__links a {
  color: var(--color-primary-navy);
}

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

/* Mobile Menu Button */
.nav__burger {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  z-index: 1001;
}

.nav__burger span {
  width: 24px;
  height: 2px;
  background: var(--color-text-light);
  transition: all var(--transition-base);
}

.nav.scrolled .nav__burger span {
  background: var(--color-primary-navy);
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 16px 32px;
  border-radius: var(--border-radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-base);
}

.btn--primary {
  color: var(--color-text-light);
  background-color: var(--color-accent-gold);
}

.btn--primary:hover {
  background-color: var(--color-accent-gold-hover);
  color: var(--color-text-light);
}

.btn--outline {
  color: var(--color-text-light);
  background-color: transparent;
  border-color: var(--color-text-light);
}

.btn--outline:hover {
  background-color: var(--color-text-light);
  color: var(--color-primary-navy);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  padding: var(--space-4xl) 0;
  background-image: url('hero-bg.jpg');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to right, rgba(10, 25, 47, 0.9) 0%, rgba(10, 25, 47, 0.6) 100%);
  z-index: 1;
}

.hero__content {
  position: relative;
  z-index: 2;
  max-width: 800px;
}

.hero__title {
  font-family: var(--font-heading);
  font-size: var(--text-6xl);
  font-weight: 600;
  line-height: 1.1;
  color: var(--color-text-light);
  margin-bottom: var(--space-md);
}

.hero__title span {
  color: var(--color-accent-gold);
  font-style: italic;
}

.hero__subtitle {
  font-size: var(--text-xl);
  color: var(--color-text-light-muted);
  line-height: 1.6;
  margin-bottom: var(--space-xl);
  max-width: 650px;
}

.hero__actions {
  display: flex;
  gap: var(--space-md);
}

/* ============================================
   THESIS SECTION (ABOUT)
   ============================================ */
.thesis {
  padding: var(--space-4xl) 0;
  background-color: var(--color-bg-white);
}

.thesis__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4xl);
  align-items: start;
}

.thesis__text p {
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
  font-size: var(--text-lg);
  line-height: 1.8;
}

.thesis__text strong {
  color: var(--color-primary-navy);
  font-weight: 600;
}

.criteria-list {
  list-style: none;
  margin-top: var(--space-lg);
}

.criteria-list li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  margin-bottom: var(--space-sm);
  color: var(--color-text-dark);
  font-size: var(--text-base);
  font-weight: 500;
}

.criteria-list li::before {
  content: '-';
  color: var(--color-accent-gold);
  font-weight: 700;
}

.thesis__stats {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  background-color: var(--color-bg-light);
  padding: var(--space-2xl);
  border-left: 4px solid var(--color-accent-gold);
}

.stat-item {
  border-bottom: 1px solid var(--color-border);
  padding-bottom: var(--space-md);
}

.stat-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.stat-item__label {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-xs);
}

.stat-item__value {
  font-family: var(--font-heading);
  font-size: var(--text-3xl);
  color: var(--color-primary-navy);
}

/* ============================================
   DIVIDER (THE NAME)
   ============================================ */
.divider {
  padding: var(--space-4xl) 0;
  background-image: url('divider-bg.jpg');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  position: relative;
  text-align: center;
}

.divider::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(10, 25, 47, 0.85);
  z-index: 1;
}

.divider__content {
  position: relative;
  z-index: 2;
  max-width: 800px;
  margin: 0 auto;
}

.divider__text {
  color: var(--color-text-light-muted);
  font-size: var(--text-lg);
  line-height: 1.8;
  margin-bottom: var(--space-lg);
}

.divider__quote {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-style: italic;
  color: var(--color-accent-gold);
  line-height: 1.4;
  margin-top: var(--space-xl);
  position: relative;
}

.divider__quote::before {
  content: '“';
  font-family: var(--font-heading);
  font-size: 80px;
  color: rgba(197, 160, 89, 0.2);
  position: absolute;
  top: -40px;
  left: 50%;
  transform: translateX(-50%);
}

/* ============================================
   LEADERSHIP
   ============================================ */
.leadership {
  padding: var(--space-4xl) 0;
  background-color: var(--color-bg-light);
}

.leadership__grid {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--space-3xl);
  align-items: start;
}

.leadership__card {
  background-color: var(--color-bg-white);
  padding: var(--space-xl);
  box-shadow: var(--shadow-md);
  text-align: center;
  border-top: 4px solid var(--color-primary-navy);
}

.leadership__initials {
  width: 120px;
  height: 120px;
  background-color: var(--color-bg-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-lg);
  font-family: var(--font-heading);
  font-size: var(--text-4xl);
  color: var(--color-primary-navy);
  border: 1px solid var(--color-border);
}

.leadership__name {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  color: var(--color-primary-navy);
  margin-bottom: var(--space-xs);
}

.leadership__title {
  font-size: var(--text-sm);
  color: var(--color-accent-gold);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.leadership__bio p {
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
  font-size: var(--text-lg);
  line-height: 1.8;
}

.leadership__bio strong {
  color: var(--color-primary-navy);
  font-weight: 600;
}

/* ============================================
   CONTACT
   ============================================ */
.contact {
  padding: var(--space-4xl) 0;
  background-color: var(--color-bg-white);
}

.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4xl);
}

.contact__info-block {
  margin-bottom: var(--space-xl);
}

.contact__info-label {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-xs);
}

.contact__info-value {
  font-size: var(--text-xl);
  color: var(--color-primary-navy);
  font-weight: 500;
}

.contact__info-value a {
  color: var(--color-primary-navy);
}

.contact__info-value a:hover {
  color: var(--color-accent-gold);
}

.form__group {
  margin-bottom: var(--space-md);
}

.form__label {
  display: block;
  font-size: var(--text-sm);
  color: var(--color-text-dark);
  font-weight: 500;
  margin-bottom: var(--space-xs);
}

.form__input,
.form__textarea {
  width: 100%;
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text-dark);
  background-color: var(--color-bg-light);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-sm);
  padding: 16px;
  transition: border-color var(--transition-fast);
  outline: none;
}

.form__input:focus,
.form__textarea:focus {
  border-color: var(--color-primary-navy);
  background-color: var(--color-bg-white);
}

.form__textarea {
  min-height: 150px;
  resize: vertical;
}

.form__submit {
  width: 100%;
}

.form__success {
  display: none;
  background-color: var(--color-bg-light);
  padding: var(--space-xl);
  text-align: center;
  border-left: 4px solid var(--color-accent-gold);
}

.form__success.show {
  display: block;
}

.form__success h3 {
  font-family: var(--font-heading);
  color: var(--color-primary-navy);
  font-size: var(--text-2xl);
  margin-bottom: var(--space-sm);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background-color: var(--color-primary-navy);
  padding: var(--space-2xl) 0;
  color: var(--color-text-light-muted);
}

.footer__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding-bottom: var(--space-lg);
  margin-bottom: var(--space-lg);
}

.footer__logo {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  color: var(--color-text-light);
}

.footer__bottom {
  display: flex;
  justify-content: space-between;
  font-size: var(--text-sm);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
  .hero__title {
    font-size: var(--text-5xl);
  }
  .thesis__grid, .leadership__grid, .contact__grid {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }
}

@media (max-width: 768px) {
  :root {
    --space-4xl: 4rem;
    --space-3xl: 3rem;
  }
  
  .hero__title {
    font-size: var(--text-4xl);
  }
  
  .nav__links {
    display: none; /* In a real scenario, implement the mobile menu JS logic here */
    position: fixed;
    top: 60px;
    left: 0;
    width: 100%;
    background-color: var(--color-bg-white);
    flex-direction: column;
    padding: var(--space-lg);
    box-shadow: var(--shadow-md);
  }
  
  .nav__links.open {
    display: flex;
  }
  
  .nav__links a {
    color: var(--color-primary-navy);
  }
  
  .nav__burger {
    display: flex;
  }
  
  .nav.scrolled .nav__burger span {
    background-color: var(--color-primary-navy);
  }
  
  .hero__actions {
    flex-direction: column;
  }
  
  .footer__inner, .footer__bottom {
    flex-direction: column;
    gap: var(--space-md);
    text-align: center;
  }
}