/* ============================================
   ISTRATIUS — Premium Dark Theme 2026
   Apple-inspired Design System
   ============================================ */

:root {
  /* Colors */
  --bg-primary: #000000;
  --bg-secondary: #0a0a0a;
  --bg-tertiary: #121212;
  --bg-card: #1a1a1a;
  --bg-elevated: #242424;
  
  --text-primary: #f5f5f7;
  --text-secondary: #a1a1a6;
  --text-tertiary: #6e6e73;
  
  --accent-primary: #85500e;
  --accent-secondary: #a86812;
  --accent-light: #d48418;
  --accent-gradient: linear-gradient(135deg, #85500e 0%, #d48418 100%);
  
  --border-primary: #2a2a2a;
  --border-secondary: #38383a;
  
  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.6);
  --shadow-xl: 0 12px 48px rgba(0, 0, 0, 0.7);
  --glow: 0 0 40px rgba(133, 80, 14, 0.3);
  
  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-2xl: 32px;
  --radius-full: 9999px;
  
  /* Transitions */
  --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  
  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'SF Pro Display', sans-serif;
  
  /* Spacing */
  --container-max: 1280px;
  --section-padding: 120px;
}

/* ============================================
   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;
  text-rendering: optimizeLegibility;
}

body {
  font-family: var(--font-family);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  overflow-x: hidden;
}

::selection {
  background-color: var(--accent-primary);
  color: var(--text-primary);
}

::-webkit-scrollbar {
  width: 10px;
}

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

::-webkit-scrollbar-thumb {
  background: var(--border-secondary);
  border-radius: var(--radius-full);
}

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

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

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

ul {
  list-style: none;
}

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

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

@media (min-width: 768px) {
  .container {
    padding: 0 48px;
  }
}

/* ============================================
   NAVIGATION
   ============================================ */

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  transition: all var(--transition-base);
}

.navbar.scrolled {
  background: rgba(0, 0, 0, 0.95);
  border-bottom-color: var(--border-primary);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 24px;
}

.nav-logo {
  flex-shrink: 0;
}

.logo-text {
  font-size: 26px;
  font-weight: 700;
  letter-spacing: -0.5px;
  color: var(--text-primary);
  text-shadow: 0 2px 10px rgba(0,0,0,0.5);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-item {
  position: relative;
}

.nav-link {
  display: flex;
  align-items: center;
  padding: 10px 20px;
  color: var(--text-primary);
  font-size: 16px;
  font-weight: 500;
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
}

.nav-link:hover {
  color: var(--accent-light);
  background: rgba(133, 80, 14, 0.15);
}

.nav-link.active {
  color: var(--accent-light);
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  padding: 12px 28px;
  background: var(--accent-primary);
  color: var(--text-primary);
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
  box-shadow: 0 4px 14px rgba(133, 80, 14, 0.4);
}

.nav-cta:hover {
  background: var(--accent-secondary);
  box-shadow: 0 6px 20px rgba(133, 80, 14, 0.5);
  transform: scale(1.02);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}

.hamburger {
  width: 20px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all var(--transition-fast);
}

/* Mobile Menu */
@media (max-width: 768px) {
  .nav-container {
    height: 72px;
  }
  
  .nav-menu {
    position: fixed;
    top: 72px;
    left: 0;
    width: 100%;
    height: calc(100vh - 72px);
    background: var(--bg-primary);
    flex-direction: column;
    align-items: stretch;
    padding: 24px;
    gap: 8px;
    transform: translateX(100%);
    transition: transform var(--transition-base);
  }
  
  .nav-menu.active {
    transform: translateX(0);
  }
  
  .nav-link {
    padding: 16px;
    font-size: 18px;
  }
  
  .nav-toggle {
    display: flex;
  }
  
  .nav-toggle.active .hamburger:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }
  
  .nav-toggle.active .hamburger:nth-child(2) {
    opacity: 0;
  }
  
  .nav-toggle.active .hamburger:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
  }
  
  .nav-cta {
    display: none;
  }
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  font-family: var(--font-family);
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent-primary);
  color: var(--text-primary);
  box-shadow: 0 4px 14px rgba(133, 80, 14, 0.4);
}

.btn-primary:hover {
  background: var(--accent-secondary);
  box-shadow: 0 6px 20px rgba(133, 80, 14, 0.5);
  transform: translateY(-2px);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-primary);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.15);
  transform: translateY(-2px);
}

.btn-large {
  padding: 18px 40px;
  font-size: 17px;
}

/* ============================================
   HERO SECTION
   ============================================ */

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding-top: 64px;
  overflow: hidden;
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.hero-video-wrapper {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 90%;
  max-width: 1200px;
  aspect-ratio: 16/9;
  border-radius: var(--radius-2xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl), var(--glow);
}

.hero-video-wrapper video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(ellipse at center, transparent 0%, rgba(0, 0, 0, 0.4) 100%);
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 60px 24px;
}

.hero-title {
  font-size: clamp(40px, 8vw, 80px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -2px;
  margin-bottom: 24px;
}

.title-line {
  display: block;
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.title-line:nth-child(1) { animation-delay: 0.2s; }
.title-line:nth-child(2) { animation-delay: 0.4s; }
.title-line:nth-child(3) { animation-delay: 0.6s; }

.title-line.highlight {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: clamp(18px, 3vw, 24px);
  color: var(--text-secondary);
  margin-bottom: 40px;
  opacity: 0;
  animation: fadeInUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) 0.8s forwards;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  opacity: 0;
  animation: fadeInUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) 1s forwards;
}

.hero-scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
}

.scroll-indicator {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  opacity: 0;
  animation: fadeIn 0.8s 1.4s forwards;
}

.mouse {
  width: 26px;
  height: 40px;
  border: 2px solid var(--text-secondary);
  border-radius: 13px;
  position: relative;
}

.wheel {
  width: 4px;
  height: 8px;
  background: var(--text-secondary);
  border-radius: 2px;
  position: absolute;
  top: 8px;
  left: 50%;
  transform: translateX(-50%);
  animation: scroll 2s infinite;
}

.scroll-text {
  font-size: 12px;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 1px;
}

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

@keyframes fadeIn {
  to { opacity: 1; }
}

@keyframes scroll {
  0%, 100% { opacity: 1; transform: translateX(-50%) translateY(0); }
  50% { opacity: 0.5; transform: translateX(-50%) translateY(10px); }
}

/* ============================================
   SECTION STYLES
   ============================================ */

.section-label {
  display: inline-block;
  font-size: 14px;
  font-weight: 600;
  color: var(--accent-primary);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 16px;
}

.section-title {
  font-size: clamp(32px, 5vw, 56px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -1.5px;
  margin-bottom: 24px;
}

.text-gradient {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-description {
  font-size: 18px;
  color: var(--text-secondary);
  max-width: 600px;
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

/* ============================================
   ABOUT SECTION
   ============================================ */

/* About Section - White Card Design */
.about-section {
  padding: var(--section-padding) 0;
  background: var(--bg-secondary);
}

.about-wrapper {
  display: flex;
  justify-content: center;
  padding: 0 24px;
}

.about-card {
  width: 100%;
  max-width: 1200px;
  background: var(--bg-card);
  border-radius: var(--radius-2xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.about-header {
  padding: 40px 40px 20px;
  text-align: center;
  border-bottom: 1px solid var(--border-primary);
}

.about-name {
  font-size: clamp(32px, 5vw, 56px);
  font-weight: 800;
  color: rgba(245, 245, 247, 0.15);
  letter-spacing: 8px;
  text-transform: uppercase;
  line-height: 1;
}

.about-content {
  display: grid;
  grid-template-columns: 400px 1fr;
  gap: 0;
}

@media (max-width: 968px) {
  .about-content {
    grid-template-columns: 1fr;
  }
}

.about-image-container {
  position: relative;
  min-height: 500px;
}

.about-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  top: 0;
  left: 0;
}

.about-text-content {
  padding: 60px;
}

@media (max-width: 768px) {
  .about-text-content {
    padding: 40px 24px;
  }
}

.about-text {
  font-size: 17px;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 24px;
}

.about-stats {
  display: flex;
  gap: 40px;
  margin-top: 40px;
  padding-top: 40px;
  border-top: 1px solid var(--border-primary);
}

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

.stat-number {
  font-size: 48px;
  font-weight: 700;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 8px;
}

.stat-label {
  font-size: 14px;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

@media (max-width: 968px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }
}

.about-content {
  order: 2;
}

@media (max-width: 968px) {
  .about-content {
    order: 1;
  }
}

.about-text {
  font-size: 17px;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 24px;
}

.about-stats {
  display: flex;
  gap: 40px;
  margin-top: 40px;
  padding-top: 40px;
  border-top: 1px solid var(--border-primary);
}

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

.stat-number {
  font-size: 48px;
  font-weight: 700;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 8px;
}

.stat-label {
  font-size: 14px;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.about-visual {
  order: 1;
}

@media (max-width: 968px) {
  .about-visual {
    order: 2;
  }
}

.about-image-wrapper {
  position: relative;
  border-radius: var(--radius-2xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.about-image {
  width: 100%;
  height: auto;
  display: block;
}

.image-gradient {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 50%;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
  pointer-events: none;
}

/* ============================================
   PORTFOLIO SECTION
   ============================================ */

.portfolio {
  padding: var(--section-padding) 0;
  background: var(--bg-primary);
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-label {
  display: inline-block;
  font-size: 14px;
  font-weight: 600;
  color: var(--accent-primary);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 16px;
}

.section-title {
  font-size: clamp(32px, 5vw, 56px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -1.5px;
  margin-bottom: 24px;
}

.text-gradient {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-description {
  font-size: 18px;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 32px;
  margin-top: 40px;
}

.portfolio-item {
  position: relative;
  border-radius: var(--radius-2xl);
  overflow: hidden;
  background: var(--bg-card);
  transition: all var(--transition-base);
  cursor: pointer;
}

.portfolio-item:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl), var(--glow);
}

.portfolio-media {
  position: relative;
  padding-bottom: 56.25%;
  overflow: hidden;
}

.portfolio-thumb {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  transition: transform var(--transition-slow);
}

.portfolio-item:hover .portfolio-thumb {
  transform: scale(1.05);
}

.play-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.4);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.portfolio-item:hover .play-overlay {
  opacity: 1;
}

.play-button {
  width: 80px;
  height: 80px;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-primary);
  transform: scale(0.8);
  transition: all var(--transition-base);
}

.portfolio-item:hover .play-button {
  transform: scale(1);
  background: var(--accent-primary);
}

.portfolio-info {
  padding: 24px;
}

.portfolio-title {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 8px;
}

.portfolio-category {
  font-size: 14px;
  color: var(--text-secondary);
}

/* ============================================
   SERVICES SECTION
   ============================================ */

.services {
  padding: var(--section-padding) 0;
  background: var(--bg-secondary);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 32px;
}

.service-card {
  padding: 40px;
  background: var(--bg-card);
  border-radius: var(--radius-2xl);
  border: 1px solid var(--border-primary);
  transition: all var(--transition-base);
}

.service-card:hover {
  background: var(--bg-elevated);
  border-color: var(--accent-primary);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg), var(--glow);
}

.service-icon {
  width: 60px;
  height: 60px;
  color: var(--accent-primary);
  margin-bottom: 24px;
}

.service-title {
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 12px;
}

.service-description {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ============================================
   CTA SECTION
   ============================================ */

.cta {
  padding: var(--section-padding) 0;
  background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
}

.cta-content {
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.cta-title {
  font-size: clamp(36px, 6vw, 64px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -1.5px;
  margin-bottom: 24px;
}

.cta-description {
  font-size: 20px;
  color: var(--text-secondary);
  margin-bottom: 40px;
}

/* ============================================
   CONTACT SECTION
   ============================================ */

.contact {
  padding: var(--section-padding) 0;
  background: var(--bg-primary);
}

.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

@media (max-width: 968px) {
  .contact-wrapper {
    grid-template-columns: 1fr;
    gap: 48px;
  }
}

.contact-description {
  font-size: 17px;
  color: var(--text-secondary);
  margin: 24px 0;
}

.contact-hours {
  padding: 24px;
  background: var(--bg-card);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-primary);
}

.hours-label {
  font-size: 14px;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 8px;
}

.hours-time {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
}

.contact-links {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.contact-card {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 24px;
  background: var(--bg-card);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-primary);
  transition: all var(--transition-base);
}

.contact-card:hover {
  background: var(--bg-elevated);
  border-color: var(--accent-primary);
  transform: translateX(8px);
}

.contact-card-icon {
  width: 48px;
  height: 48px;
  color: var(--accent-primary);
  flex-shrink: 0;
}

.contact-card-content {
  display: flex;
  flex-direction: column;
}

.contact-card-label {
  font-size: 13px;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 4px;
}

.contact-card-value {
  font-size: 16px;
  font-weight: 500;
  color: var(--text-primary);
}

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

.footer {
  padding: 60px 0;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-primary);
}

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

.footer-logo {
  font-size: 24px;
  font-weight: 700;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 16px;
}

.footer-copyright {
  font-size: 14px;
  color: var(--text-tertiary);
}

/* ============================================
   VIDEO MODAL
   ============================================ */

.video-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
}

.video-modal.active {
  display: flex;
}

.video-modal-backdrop {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.95);
  backdrop-filter: blur(10px);
}

.video-modal-container {
  position: relative;
  width: 90%;
  max-width: 1100px;
  aspect-ratio: 16/9;
  z-index: 1;
}

.video-modal-close {
  position: absolute;
  top: -48px;
  right: 0;
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-primary);
  transition: all var(--transition-fast);
}

.video-modal-close:hover {
  background: var(--accent-primary);
  transform: scale(1.1);
}

.video-modal-content {
  width: 100%;
  height: 100%;
  border-radius: var(--radius-2xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl), var(--glow);
}

.video-modal-content iframe {
  width: 100%;
  height: 100%;
  border: none;
}

/* ============================================
   ANIMATIONS
   ============================================ */

.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}