/* ==========================================================================
   AETHERA STUDIO - CORE STYLESHEET & DESIGN SYSTEM
   Aesthetic: Editorial | Luxury | Minimal | Swiss Typography | Contemporary
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:ital,wght@0,300;0,400;0,500;0,600;0,700;1,400&family=Syne:wght@500;600;700;800&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  /* Color System */
  --bg-primary: #F5F3EE;        /* Warm Off-White / Ivory */
  --bg-secondary: #EBE8E1;      /* Subtle Muted Ivory */
  --bg-dark: #111111;           /* Deep Near-Black */
  --bg-dark-surface: #181818;
  
  --text-primary: #111111;      /* Near-Black */
  --text-secondary: #555555;    /* Charcoal */
  --text-muted: #888888;        /* Light Gray */
  --text-on-dark: #F5F3EE;
  
  /* Distinctive Cobalt Blue Accent */
  --color-accent: #0029FF;
  --color-accent-hover: #001FD1;
  --color-accent-soft: rgba(0, 41, 255, 0.08);

  /* Borders & Dividers */
  --border-light: rgba(17, 17, 17, 0.12);
  --border-strong: rgba(17, 17, 17, 0.25);
  --border-dark: rgba(245, 243, 238, 0.15);

  /* Typography */
  --font-display: 'Syne', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Spacing & Radius */
  --max-width: 1360px;
  --header-height: 90px;
  --radius-sm: 4px;
  --radius-md: 10px;
  --radius-lg: 20px;

  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-normal: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--bg-primary);
  color: var(--text-primary);
}

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

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
  background: rgba(17, 17, 17, 0.25);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-accent);
}

/* Selection */
::selection {
  background: var(--color-accent);
  color: #FFFFFF;
}

/* Typography Scale */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1.02;
  letter-spacing: -0.035em;
  color: var(--text-primary);
  text-transform: uppercase;
}

h1 { font-size: clamp(3rem, 7.5vw, 6.8rem); }
h2 { font-size: clamp(2.2rem, 5.2vw, 4.5rem); }
h3 { font-size: clamp(1.6rem, 3.2vw, 2.75rem); }
h4 { font-size: 1.35rem; }

p {
  color: var(--text-secondary);
  font-size: 1.05rem;
  line-height: 1.7;
}

.mono-tag {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-accent);
  font-weight: 500;
}

/* Layout Containers */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 36px;
  position: relative;
}

section {
  padding: 120px 0;
  position: relative;
  border-bottom: 1px solid var(--border-light);
}

/* Editorial Rule Lines */
.editorial-line {
  width: 100%;
  height: 1px;
  background: var(--border-light);
  margin: 40px 0;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 18px 36px;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-normal);
  border: none;
  outline: none;
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}

.btn-accent {
  background: var(--color-accent);
  color: #FFFFFF;
  box-shadow: 0 10px 25px rgba(0, 41, 255, 0.25);
}

.btn-accent:hover {
  background: var(--bg-dark);
  color: #FFFFFF;
  transform: translateY(-2px);
  box-shadow: 0 15px 35px rgba(17, 17, 17, 0.3);
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-strong);
}

.btn-outline:hover {
  background: var(--text-primary);
  color: var(--bg-primary);
  border-color: var(--text-primary);
  transform: translateY(-2px);
}

/* Custom Interactive Cursor Follower */
.custom-cursor {
  position: fixed;
  top: 0;
  left: 0;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--color-accent);
  pointer-events: none;
  z-index: 99999;
  transform: translate(-50%, -50%);
  transition: width 0.3s var(--transition-fast), height 0.3s var(--transition-fast), background 0.3s ease, transform 0.1s linear;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #FFF;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  mix-blend-mode: exclusion;
}

.custom-cursor.view-mode {
  width: 90px;
  height: 90px;
  background: var(--color-accent);
  mix-blend-mode: normal;
  box-shadow: 0 10px 30px rgba(0, 41, 255, 0.4);
}

.custom-cursor.hover-mode {
  width: 48px;
  height: 48px;
  background: rgba(0, 41, 255, 0.2);
  border: 1px solid var(--color-accent);
}

@media (max-width: 1024px) {
  .custom-cursor { display: none !important; }
}

/* ==========================================================================
   1. NAVIGATION
   ========================================================================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  z-index: 1000;
  transition: all var(--transition-normal);
  background: transparent;
}

.navbar.scrolled {
  background: rgba(245, 243, 238, 0.9);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-light);
  height: 76px;
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.brand-mark {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.4rem;
  letter-spacing: -0.04em;
  color: var(--text-primary);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 6px;
}

.brand-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-accent);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 40px;
  list-style: none;
}

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  transition: color var(--transition-fast);
  position: relative;
}

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0%;
  height: 2px;
  background: var(--color-accent);
  transition: width var(--transition-fast);
}

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

/* ==========================================================================
   2. HERO SECTION
   ========================================================================== */
.hero {
  padding-top: calc(var(--header-height) + 60px);
  padding-bottom: 100px;
  min-height: 90vh;
  display: flex;
  align-items: center;
  background: var(--bg-primary);
  border-bottom: 1px solid var(--border-light);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 60px;
  align-items: center;
}

.hero-title {
  font-size: clamp(3.2rem, 7.8vw, 6.5rem);
  font-weight: 800;
  line-height: 0.98;
  margin-bottom: 30px;
}

.hero-subtitle {
  font-size: 1.2rem;
  max-width: 540px;
  color: var(--text-secondary);
  margin-bottom: 40px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 20px;
}

/* Editorial Hero Graphic System */
.hero-art-box {
  position: relative;
  width: 100%;
  aspect-ratio: 4/5;
  background: var(--bg-secondary);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 30px;
}

.art-badge {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-light);
  padding-bottom: 16px;
}

.art-center-graphic {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 220px;
  height: 220px;
  border-radius: 50%;
  border: 2px dashed var(--color-accent);
  animation: rotateGraphic 25s linear infinite;
  display: flex;
  align-items: center;
  justify-content: center;
}

.art-center-graphic::before {
  content: 'Æ';
  font-family: var(--font-display);
  font-size: 5rem;
  font-weight: 800;
  color: var(--text-primary);
}

@keyframes rotateGraphic {
  from { transform: translate(-50%, -50%) rotate(0deg); }
  to { transform: translate(-50%, -50%) rotate(360deg); }
}

.art-footer-data {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-primary);
  border-top: 1px solid var(--border-light);
  padding-top: 16px;
}

/* ==========================================================================
   3. MARQUEE TICKER
   ========================================================================== */
.marquee-section {
  padding: 24px 0;
  background: var(--bg-dark);
  color: var(--bg-primary);
  overflow: hidden;
  user-select: none;
}

.marquee-track {
  display: flex;
  gap: 40px;
  white-space: nowrap;
  animation: marqueeScroll 25s linear infinite;
}

.marquee-item {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.4rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--bg-primary);
  display: flex;
  align-items: center;
  gap: 40px;
}

.marquee-item span {
  color: var(--color-accent);
}

@keyframes marqueeScroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ==========================================================================
   4. SELECTED WORK
   ========================================================================== */
.work-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 60px 40px;
  margin-top: 60px;
}

.work-card {
  text-decoration: none;
  color: var(--text-primary);
  display: block;
}

.work-image-wrapper {
  width: 100%;
  aspect-ratio: 16/11;
  background: var(--bg-secondary);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  overflow: hidden;
  position: relative;
  margin-bottom: 24px;
}

.work-image-wrapper.portrait {
  aspect-ratio: 4/5;
}

.work-img-bg {
  width: 100%;
  height: 100%;
  transition: transform var(--transition-slow);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.work-card:hover .work-img-bg {
  transform: scale(1.05);
}

.work-meta {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

.work-title {
  font-size: 2rem;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 6px;
  transition: color var(--transition-fast);
}

.work-card:hover .work-title {
  color: var(--color-accent);
}

.work-category {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.work-year {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ==========================================================================
   5. SERVICES (Accordion List Style)
   ========================================================================== */
.services-list {
  margin-top: 40px;
  border-top: 1px solid var(--border-strong);
}

.service-item {
  border-bottom: 1px solid var(--border-light);
  padding: 32px 0;
  transition: background var(--transition-normal);
  cursor: pointer;
}

.service-header {
  display: grid;
  grid-template-columns: 80px 1fr 40px;
  align-items: center;
  gap: 20px;
}

.service-num {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  color: var(--color-accent);
  font-weight: 600;
}

.service-name {
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  font-weight: 800;
  transition: transform var(--transition-fast);
}

.service-item:hover .service-name {
  transform: translateX(12px);
  color: var(--color-accent);
}

.service-icon {
  font-size: 1.5rem;
  color: var(--text-muted);
  transition: transform var(--transition-fast);
}

.service-item.active .service-icon {
  transform: rotate(45deg);
  color: var(--color-accent);
}

.service-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s var(--transition-normal), padding 0.4s ease;
  padding-left: 100px;
}

.service-item.active .service-body {
  max-height: 200px;
  padding-top: 16px;
  padding-bottom: 8px;
}

.service-desc {
  max-width: 680px;
  font-size: 1.05rem;
  color: var(--text-secondary);
}

/* ==========================================================================
   6. ABOUT & STATS SECTION
   ========================================================================== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-headline {
  font-size: clamp(2.4rem, 4.8vw, 4.2rem);
  line-height: 1.02;
  margin-bottom: 24px;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
  margin-top: 40px;
}

.stat-box {
  border-top: 2px solid var(--text-primary);
  padding-top: 20px;
}

.stat-number {
  font-family: var(--font-display);
  font-size: 3.5rem;
  font-weight: 800;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: 6px;
}

.stat-label {
  font-size: 0.9rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
}

/* ==========================================================================
   7. PROCESS PIPELINE (Scroll Driven)
   ========================================================================== */
.process-wrapper {
  margin-top: 60px;
  display: flex;
  flex-direction: column;
  gap: 30px;
}

.process-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  padding: 40px;
  display: grid;
  grid-template-columns: 100px 1.2fr 1fr;
  gap: 40px;
  align-items: center;
  transition: all var(--transition-normal);
}

.process-card:hover {
  border-color: var(--color-accent);
  box-shadow: 0 15px 40px rgba(0, 41, 255, 0.08);
}

.process-step-num {
  font-family: var(--font-mono);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--color-accent);
}

.process-title {
  font-size: 1.8rem;
  font-weight: 800;
}

.process-desc {
  font-size: 0.98rem;
  color: var(--text-secondary);
}

/* ==========================================================================
   8. RESULTS & METRICS
   ========================================================================== */
.results-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  margin-top: 60px;
}

.result-card {
  background: var(--bg-dark);
  color: var(--bg-primary);
  padding: 50px 36px;
  border-radius: var(--radius-sm);
  text-align: center;
}

.result-val {
  font-family: var(--font-display);
  font-size: 4.2rem;
  font-weight: 800;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: 12px;
}

.result-label {
  font-size: 1rem;
  color: var(--text-on-dark);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ==========================================================================
   9. TESTIMONIALS
   ========================================================================== */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  margin-top: 60px;
}

.testimonial-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-light);
  padding: 40px 30px;
  border-radius: var(--radius-sm);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.testimonial-quote {
  font-size: 1.08rem;
  line-height: 1.7;
  color: var(--text-primary);
  margin-bottom: 30px;
  font-style: italic;
}

.testimonial-author h5 {
  font-size: 1.05rem;
  color: var(--text-primary);
  text-transform: none;
}

.testimonial-author p {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ==========================================================================
   10. FINAL CTA & FOOTER
   ========================================================================== */
.final-cta {
  background: var(--bg-dark);
  color: var(--bg-primary);
  padding: 140px 0;
  text-align: center;
  border-bottom: none;
}

.cta-title {
  font-size: clamp(2.8rem, 7vw, 6rem);
  color: var(--bg-primary);
  margin-bottom: 24px;
}

.cta-subtitle {
  font-size: 1.2rem;
  color: var(--text-muted);
  max-width: 580px;
  margin: 0 auto 40px auto;
}

.footer {
  background: var(--bg-dark);
  color: var(--bg-primary);
  padding: 80px 0 40px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: 50px;
  margin-bottom: 60px;
}

.footer-brand p {
  margin-top: 16px;
  color: var(--text-muted);
  font-size: 0.95rem;
  max-width: 320px;
}

.footer-col h5 {
  color: var(--bg-primary);
  font-size: 0.9rem;
  letter-spacing: 0.08em;
  margin-bottom: 20px;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color var(--transition-fast);
}

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

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 30px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.85rem;
  color: var(--text-muted);
}