/* Dark Academia Theme with Gold Accents */

:root {
  /* Dark Academia Color Palette */
  --bg-primary: #0f1419;      /* Deep navy/charcoal */
  --bg-secondary: #1a1f2e;    /* Slightly lighter for contrast */
  --bg-tertiary: #252d3d;     /* For cards and sections */
  --bg-hover: #2f3a4f;        /* Hover states */
  
  /* Text Colors */
  --text-primary: #e8dcc8;    /* Off-white/cream for primary text */
  --text-secondary: #b8b5a8;  /* Muted for secondary text */
  --text-dim: #7f7d76;        /* Very muted for metadata */
  
  /* Gold/Yellow Accents */
  --accent-gold: #d4af37;     /* Classic gold */
  --accent-light: #f0e68c;    /* Light gold/yellow */
  --accent-dark: #b8960f;     /* Darker gold for depth */
  
  /* Typography */
  --font-base: 18px;
  --font-serif: 'Georgia', 'Garamond', 'Cambria', serif;
  --font-sans: 'System UI', -apple-system, 'Segoe UI', sans-serif;
  
  /* Spacing */
  --spacing-xs: 6px;
  --spacing-sm: 12px;
  --spacing-md: 24px;
  --spacing-lg: 48px;
  --spacing-xl: 96px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: var(--font-base);
  line-height: 1.7;
  letter-spacing: 0.3px;
  overflow-x: hidden;
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  font-weight: 700;
  letter-spacing: -0.5px;
}

h1 {
  font-size: 4.5rem;
  line-height: 1.15;
  margin-bottom: var(--spacing-md);
}

h2 {
  font-size: 3.5rem;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
}

h3 {
  font-size: 1.75rem;
  margin-bottom: var(--spacing-sm);
}

h4 {
  font-size: 1.25rem;
}

p {
  margin-bottom: var(--spacing-md);
}

em {
  color: var(--accent-gold);
  font-style: italic;
  font-weight: 600;
}

strong {
  color: var(--accent-light);
  font-weight: 600;
}

a {
  color: var(--accent-gold);
  text-decoration: none;
  transition: all 0.3s ease;
  position: relative;
}

a:hover {
  color: var(--accent-light);
  text-shadow: 0 0 20px rgba(212, 175, 55, 0.3);
}

/* ===== NAVIGATION ===== */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: var(--spacing-md) var(--spacing-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(15, 20, 25, 1);
  border-bottom: 1px solid transparent;
}

nav.scrolled {
  border-bottom: 1px solid rgba(212, 175, 55, 0.2);
}

.nav-logo {
  font-family: var(--font-serif);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 2px;
  transition: all 0.3s ease;
}

.nav-logo span {
  color: var(--accent-gold);
  display: inline;
}

.nav-logo:hover {
  color: var(--accent-gold);
  text-shadow: 0 0 15px rgba(212, 175, 55, 0.4);
}

.nav-links {
  list-style: none;
  display: flex;
  gap: var(--spacing-lg);
  align-items: center;
}

.nav-links a {
  font-size: 1rem;
  letter-spacing: 1px;
  position: relative;
  padding-bottom: 4px;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-gold);
  transition: width 0.3s ease;
}

.nav-links a:hover::after {
  width: 100%;
}

/* ===== HAMBURGER MENU ===== */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}

.hamburger span {
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  transition: all 0.3s ease;
  border-radius: 2px;
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(8px, 8px);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -7px);
}

/* ===== HERO SECTION ===== */
#hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 160px var(--spacing-lg) var(--spacing-xl) var(--spacing-lg);
  text-align: center;
  background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
  overflow: hidden;
}

.hero-grid {
  position: absolute;
  inset: 0;
  opacity: 0.1;
}

.hero-grid-line {
  position: absolute;
  background: var(--accent-gold);
}

.hero-grid-line.v {
  width: 1px;
  height: 100%;
}

.hero-grid-line.h {
  width: 100%;
  height: 1px;
}

.hero-inner {
  position: relative;
  z-index: 2;
  max-width: 900px;
}

.hero-eyebrow {
  font-size: 0.95rem;
  color: var(--text-secondary);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: var(--spacing-md);
  display: block;
}

.hero-name {
  font-size: 5.5rem;
  line-height: 1.1;
  margin-bottom: var(--spacing-lg);
  text-shadow: 0 20px 60px rgba(0, 0, 0, 0.7);
}

.hero-tagline {
  font-size: 1.25rem;
  color: var(--text-secondary);
  max-width: 700px;
  margin: 0 auto var(--spacing-lg);
  line-height: 1.8;
}

.hero-cta {
  display: inline-block;
  padding: var(--spacing-md) var(--spacing-lg);
  background: var(--accent-gold);
  color: var(--bg-primary);
  font-weight: 700;
  border: 2px solid var(--accent-gold);
  transition: all 0.3s ease;
  letter-spacing: 1px;
  font-size: 1.05rem;
  text-shadow: none;
  box-shadow: 0 8px 24px rgba(212, 175, 55, 0.3);
}

.hero-cta:hover {
  background: transparent;
  color: var(--accent-light);
  box-shadow: 0 8px 32px rgba(212, 175, 55, 0.5);
  transform: translateY(-2px);
}

.hero-scroll {
  position: absolute;
  bottom: var(--spacing-lg);
  left: 50%;
  transform: translateX(-50%);
  color: var(--text-secondary);
  font-size: 0.95rem;
  letter-spacing: 1px;
  animation: bounce 2s infinite;
}

@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(-10px); }
}

/* ===== SECTIONS ===== */
section {
  padding: var(--spacing-xl) var(--spacing-lg);
  max-width: 1400px;
  margin: 0 auto;
  width: 100%;
}

.section-header {
  display: flex;
  gap: var(--spacing-lg);
  align-items: baseline;
  margin-bottom: var(--spacing-xl);
}

.section-number {
  font-size: 3rem;
  font-family: var(--font-serif);
  color: var(--accent-dark);
  font-weight: 700;
  opacity: 0.6;
  min-width: 100px;
}

.section-title {
  font-size: 3.5rem;
  font-family: var(--font-serif);
  color: var(--text-primary);
}

/* ===== WORK SECTION ===== */
#work {
  background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
}

.work-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
  gap: var(--spacing-lg);
}

.work-card {
  display: flex;
  flex-direction: column;
  padding: var(--spacing-lg);
  background: var(--bg-tertiary);
  border: 1px solid rgba(212, 175, 55, 0.2);
  border-radius: 8px;
  transition: all 0.4s ease;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.work-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(212, 175, 55, 0.1), transparent);
  transition: left 0.5s ease;
}

.work-card:hover::before {
  left: 100%;
}

.work-card:hover {
  border-color: var(--accent-gold);
  box-shadow: 0 20px 60px rgba(212, 175, 55, 0.15);
  transform: translateY(-8px);
  background: var(--bg-hover);
}

.work-card-tag {
  font-size: 0.85rem;
  color: var(--accent-gold);
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: var(--spacing-md);
  display: block;
  font-weight: 600;
}

.work-card-title {
  font-size: 2rem;
  font-family: var(--font-serif);
  margin-bottom: var(--spacing-md);
}

.work-card-desc {
  flex-grow: 1;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: var(--spacing-md);
}

.work-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  padding-top: var(--spacing-md);
  border-top: 1px solid rgba(212, 175, 55, 0.15);
}

.work-card-stack {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.stack-tag {
  font-size: 0.8rem;
  padding: var(--spacing-xs) var(--spacing-sm);
  background: rgba(212, 175, 55, 0.1);
  color: var(--accent-light);
  border-radius: 4px;
  border: 1px solid rgba(212, 175, 55, 0.3);
}

.work-card-arrow {
  font-size: 1.5rem;
  color: var(--accent-gold);
}

/* ===== SERVICES SECTION ===== */
#services {
  background: var(--bg-primary);
  border-top: 1px solid rgba(212, 175, 55, 0.15);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: var(--spacing-xl);
}

.service-group {
  background: var(--bg-secondary);
  padding: var(--spacing-lg);
  border-left: 3px solid var(--accent-gold);
  border-radius: 4px;
}

.service-group-label {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--accent-gold);
  margin-bottom: var(--spacing-lg);
  letter-spacing: 1px;
  display: block;
}

.service-item {
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-lg);
  border-bottom: 1px solid rgba(212, 175, 55, 0.1);
}

.service-item-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: var(--spacing-sm);
}

.service-item-name {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
}

.service-item-price {
  font-size: 1rem;
  color: var(--accent-light);
  font-weight: 600;
}

.service-item-desc {
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ===== CONTACT SECTION ===== */
#contact {
  background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
  border-top: 1px solid rgba(212, 175, 55, 0.15);
}

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

.contact-intro {
  font-size: 1.25rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: var(--spacing-lg);
}

.contact-link {
  display: inline-block;
  padding: var(--spacing-md) var(--spacing-lg);
  background: var(--accent-gold);
  color: var(--bg-primary);
  font-weight: 700;
  border-radius: 4px;
  transition: all 0.3s ease;
}

.contact-link:hover {
  background: var(--accent-light);
  transform: translateX(4px);
  box-shadow: 0 8px 24px rgba(212, 175, 55, 0.3);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.form-group {
  display: flex;
  flex-direction: column;
}

.form-label {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
  letter-spacing: 0.5px;
}

.form-input,
.form-textarea {
  background: var(--bg-tertiary);
  border: 1px solid rgba(212, 175, 55, 0.2);
  color: var(--text-primary);
  padding: var(--spacing-md);
  font-family: var(--font-sans);
  font-size: 1rem;
  border-radius: 4px;
  transition: all 0.3s ease;
  letter-spacing: 0.3px;
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--accent-gold);
  box-shadow: 0 0 20px rgba(212, 175, 55, 0.2), inset 0 0 10px rgba(212, 175, 55, 0.05);
  background: var(--bg-hover);
}

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

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--text-dim);
}

.form-submit {
  background: var(--accent-gold);
  color: var(--bg-primary);
  border: 2px solid var(--accent-gold);
  padding: var(--spacing-md) var(--spacing-lg);
  font-size: 1rem;
  font-weight: 700;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.3s ease;
  letter-spacing: 1px;
  font-family: var(--font-sans);
  align-self: flex-start;
}

.form-submit:hover {
  background: transparent;
  color: var(--accent-light);
  box-shadow: 0 8px 24px rgba(212, 175, 55, 0.3);
  transform: translateY(-2px);
}

.form-submit:active {
  transform: translateY(0);
}

/* ===== FOOTER ===== */
footer {
  background: var(--bg-secondary);
  border-top: 1px solid rgba(212, 175, 55, 0.15);
  padding: var(--spacing-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-lg);
}

.footer-copy {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin: 0;
}

.footer-links {
  display: flex;
  gap: var(--spacing-lg);
  align-items: center;
}

.footer-links a {
  font-size: 0.95rem;
  color: var(--text-secondary);
  transition: all 0.3s ease;
}

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

/* ===== ANIMATIONS ===== */
.reveal {
  animation: fadeInUp 0.8s ease-out forwards;
  opacity: 0;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ===== CASE STUDY PAGES ===== */
.case-hero {
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-xl) var(--spacing-lg);
  background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
  border-bottom: 1px solid rgba(212, 175, 55, 0.15);
  position: relative;
  z-index: 1;
  margin-top: 80px;
}

.case-hero-inner {
  max-width: 900px;
  width: 100%;
}

.case-back {
  display: inline-block;
  margin-bottom: var(--spacing-lg);
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: 0.95rem;
  color: var(--text-secondary);
  transition: all 0.3s ease;
  cursor: pointer;
  border: 1px solid rgba(212, 175, 55, 0.3);
  border-radius: 4px;
}

.case-back:hover {
  color: var(--accent-gold);
  transform: translateX(-4px);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.case-tag {
  display: block;
  font-size: 0.85rem;
  color: var(--accent-gold);
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: var(--spacing-md);
  font-weight: 600;
}

.case-title {
  font-size: 4rem;
  font-family: var(--font-serif);
  margin-bottom: var(--spacing-lg);
  line-height: 1.1;
}

.case-meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-lg);
  border-top: 1px solid rgba(212, 175, 55, 0.2);
  padding-top: var(--spacing-lg);
}

.case-meta-item {
  display: flex;
  flex-direction: column;
}

.case-meta-label {
  font-size: 0.85rem;
  color: var(--text-dim);
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: var(--spacing-sm);
  font-weight: 600;
}

.case-meta-value {
  font-size: 1.05rem;
  color: var(--text-primary);
  font-weight: 500;
}

.case-body {
  display: grid;
  grid-template-columns: 250px 1fr;
  gap: var(--spacing-xl);
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--spacing-xl) var(--spacing-lg);
}

.case-nav {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  position: sticky;
  top: 120px;
}

.case-nav-item {
  font-size: 0.95rem;
  color: var(--text-secondary);
  padding-left: var(--spacing-md);
  border-left: 2px solid rgba(212, 175, 55, 0.2);
  transition: all 0.3s ease;
  position: relative;
}

.case-nav-item:hover {
  color: var(--accent-gold);
  border-left-color: var(--accent-gold);
  padding-left: var(--spacing-lg);
}

.case-nav-item.active {
  color: var(--accent-gold);
  border-left-color: var(--accent-gold);
  padding-left: var(--spacing-lg);
  font-weight: 600;
}

.case-content {
  display: flex;
  flex-direction: column;
}

.case-section {
  margin-bottom: var(--spacing-xl);
  padding-bottom: var(--spacing-xl);
  border-bottom: 1px solid rgba(212, 175, 55, 0.1);
}

.case-section:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.case-section-label {
  display: block;
  font-size: 0.85rem;
  color: var(--accent-dark);
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: var(--spacing-md);
  font-weight: 600;
  opacity: 0.7;
}

.case-section h2 {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-lg);
}

.case-section p {
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: var(--spacing-md);
  font-size: 1.05rem;
}

.case-image {
  width: 70%;
  max-width: 800px;
  margin: var(--spacing-xl) 0;
  border: 1px solid rgba(212, 175, 55, 0.3);
  border-radius: 8px;
  display: block;
  transition: all 0.4s ease;
}

.case-image:hover {
  border-color: var(--accent-gold);
  box-shadow: 0 20px 60px rgba(212, 175, 55, 0.15);
  transform: translateY(-4px);
}

footer {
  background: var(--bg-secondary);
  border-top: 1px solid rgba(212, 175, 55, 0.15);
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 768px) {
  :root {
    --font-base: 16px;
    --spacing-lg: 32px;
    --spacing-xl: 64px;
  }

  h1 {
    font-size: 3rem;
  }

  h2 {
    font-size: 2.5rem;
  }

  .hero-name {
    font-size: 3.5rem;
  }

  nav {
    padding: var(--spacing-md);
    flex-direction: row;
  }

  nav.scrolled {
    padding: var(--spacing-md);
  }

  .nav-logo {
    flex: 1;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background: rgba(15, 20, 25, 0.98);
    padding: var(--spacing-lg);
    gap: var(--spacing-md);
    border-top: 1px solid rgba(212, 175, 55, 0.2);
    z-index: 999;
  }

  .nav-links.active {
    display: flex;
  }

  .hamburger {
    display: flex;
  }

  .section-header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-md);
  }

  .section-number {
    font-size: 2rem;
  }

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

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

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

  footer {
    flex-direction: column;
    text-align: center;
  }

  .case-body {
    grid-template-columns: 1fr;
  }

  .case-nav {
    position: static;
    flex-direction: row;
    overflow-x: auto;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
  }

  .case-nav-item {
    white-space: nowrap;
    flex-shrink: 0;
  }

  .case-title {
    font-size: 2.5rem;
  }

  .case-image {
    width: 100%;
  }

  .case-section h2 {
    font-size: 2rem;
  }
}

@media (max-width: 480px) {
  :root {
    --font-base: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 48px;
  }

  h1 {
    font-size: 2.5rem;
  }

  h2 {
    font-size: 2rem;
  }

  .hero-name {
    font-size: 2.5rem;
  }

  .hero-tagline {
    font-size: 1rem;
  }

  section {
    padding: var(--spacing-lg) var(--spacing-md);
  }

  .nav-links {
    flex-direction: column;
    gap: var(--spacing-sm);
  }

  .case-title {
    font-size: 2rem;
  }

  .case-hero {
    padding: var(--spacing-lg) var(--spacing-md);
    min-height: auto;
  }

  .case-section h2 {
    font-size: 1.5rem;
  }

  .case-image {
    width: 100%;
    margin: var(--spacing-lg) 0;
  }
}