/* ============================================
   LIQUID VENTURES - CUSTOM STYLES
   ============================================ */

/* CSS Variables */
:root {
  /* Colors */
  --color-bg: #0a0a0a;
  --color-bg-elevated: #141414;
  --color-bg-card: #1a1a1a;
  --color-text: #ffffff;
  --color-text-muted: rgba(255, 255, 255, 0.7);
  --color-text-subtle: rgba(255, 255, 255, 0.5);
  --color-accent: #a855f7;
  --color-accent-light: #c084fc;
  --color-border: rgba(255, 255, 255, 0.1);
  --color-border-hover: rgba(255, 255, 255, 0.2);

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-serif: 'Instrument Serif', Georgia, serif;

  /* Spacing */
  --container-max: 1280px;
  --container-padding: 24px;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 300ms ease;
  --transition-slow: 500ms ease;

  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 9999px;
}

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

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

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

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

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

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

/* Container */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

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

@keyframes fadeSlideIn {
  from {
    opacity: 0;
    transform: translateY(30px);
  }

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

@keyframes fadeIn {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.95);
  }

  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes scrollBounce {

  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(8px);
  }
}

@keyframes pulse {

  0%,
  100% {
    opacity: 1;
  }

  50% {
    opacity: 0.5;
  }
}

@keyframes shimmer {
  0% {
    background-position: -200% 0;
  }

  100% {
    background-position: 200% 0;
  }
}

/* Hero Animations */
.animate-in {
  opacity: 0;
  animation: fadeSlideIn 0.8s ease forwards;
}

.animate-in[data-delay="1"] {
  animation-delay: 0.1s;
}

.animate-in[data-delay="2"] {
  animation-delay: 0.2s;
}

.animate-in[data-delay="3"] {
  animation-delay: 0.4s;
}

.animate-in[data-delay="4"] {
  animation-delay: 0.6s;
}

.animate-in[data-delay="5"] {
  animation-delay: 0.8s;
}

/* Scroll Animations */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

.animate-on-scroll[data-delay="1"] {
  transition-delay: 0.1s;
}

.animate-on-scroll[data-delay="2"] {
  transition-delay: 0.2s;
}

.animate-on-scroll[data-delay="3"] {
  transition-delay: 0.3s;
}

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

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  isolation: isolate;
}

.hero-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: -2;
}

.hero-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: linear-gradient(to bottom,
      rgba(10, 10, 10, 0.3) 0%,
      rgba(10, 10, 10, 0.5) 50%,
      rgba(10, 10, 10, 0.9) 100%);
  z-index: -1;
}

/* Navigation */
.nav {
  position: relative;
  z-index: 100;
  padding: 20px 0;
}

.nav-container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 1.25rem;
  font-weight: 600;
}

.logo-text {
  color: var(--color-text);
}

.logo-accent {
  color: var(--color-accent-light);
}

.nav-links {
  display: none;
}

@media (min-width: 480px) {
  .nav-links {
    display: block;
  }
}

.nav-pill {
  display: flex;
  align-items: center;
  gap: 4px;
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  padding: 6px;
}

.nav-link {
  padding: 10px 16px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
  border-radius: var(--radius-full);
}

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

.nav-link.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--color-text);
  color: var(--color-bg);
  margin-left: 4px;
  transition: background var(--transition-fast), transform var(--transition-fast);
}

.nav-link.nav-cta:hover {
  background: rgba(255, 255, 255, 0.9);
  transform: translateY(-1px);
}

/* Mobile Menu Button */
.mobile-menu-btn {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 44px;
  height: 44px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  backdrop-filter: blur(10px);
  gap: 5px;
}

.mobile-menu-btn span {
  width: 18px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: var(--transition-base);
}

.mobile-menu-btn.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.mobile-menu-btn.active span:nth-child(2) {
  opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

@media (min-width: 480px) {
  .mobile-menu-btn {
    display: none;
  }
}

/* Hero Content */
.hero-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 60px var(--container-padding);
  max-width: 900px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(10px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  padding: 8px 16px 8px 12px;
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-bottom: 32px;
}

.badge-dot {
  width: 8px;
  height: 8px;
  background: #22c55e;
  border-radius: 50%;
  animation: pulse 2s infinite;
}

.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(2.5rem, 8vw, 5rem);
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
}

.hero-title em {
  font-style: italic;
  color: var(--color-accent-light);
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--color-text-muted);
  max-width: 600px;
  margin-bottom: 40px;
  line-height: 1.7;
}

.hero-cta {
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: center;
}

@media (min-width: 480px) {
  .hero-cta {
    flex-direction: row;
    gap: 16px;
  }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 0.9375rem;
  font-weight: 500;
  padding: 14px 28px;
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
  cursor: pointer;
}

.btn-primary {
  background: rgba(255, 255, 255, 0.1);
  color: var(--color-text);
  border: 1px solid var(--color-border);
  backdrop-filter: blur(10px);
}

.btn-primary:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: var(--color-border-hover);
  transform: translateY(-2px);
}

.btn-ghost {
  color: var(--color-text-muted);
}

.btn-ghost:hover {
  color: var(--color-text);
}

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

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--color-border-hover);
  transform: translateY(-2px);
}

.btn-contact {
  background: var(--color-text);
  color: var(--color-bg);
  font-size: 1.25rem;
  padding: 20px 40px;
}

.btn-contact:hover {
  background: rgba(255, 255, 255, 0.9);
  transform: translateY(-3px);
  box-shadow: 0 10px 40px rgba(168, 85, 247, 0.3);
}

/* Scroll Indicator */
.scroll-indicator {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  color: var(--color-text-subtle);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.scroll-mouse {
  width: 24px;
  height: 40px;
  border: 2px solid var(--color-border);
  border-radius: 12px;
  display: flex;
  justify-content: center;
  padding-top: 8px;
}

.scroll-wheel {
  width: 3px;
  height: 8px;
  background: var(--color-text-muted);
  border-radius: 2px;
  animation: scrollBounce 2s infinite;
}

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

.portfolio {
  padding: 120px 0;
  background: transparent;
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 80px;
}

.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-accent-light);
  margin-bottom: 20px;
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 400;
  line-height: 1.15;
  margin-bottom: 20px;
}

.section-title em {
  font-style: italic;
  color: var(--color-accent-light);
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* Portfolio Grid */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.project-card-large {
  grid-column: span 2;
}

@media (min-width: 1024px) {
  .portfolio-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }
}

/* Project Cards */
.project-card {
  background: rgba(20, 20, 20, 0.4);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: transform var(--transition-base), border-color var(--transition-base), background var(--transition-base);
}

.project-card:hover {
  transform: translateY(-8px);
  border-color: rgba(255, 255, 255, 0.2);
  background: rgba(30, 30, 30, 0.5);
}

.project-image {
  position: relative;
  aspect-ratio: 16/10;
  overflow: hidden;
}

.project-image-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--transition-slow);
}

.project-card:hover .project-image-placeholder {
  transform: scale(1.05);
}

.placeholder-text {
  font-size: 1.5rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.3);
}

.project-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

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

.project-overlay {
  position: absolute;
  inset: 0;
  background: rgba(10, 10, 10, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition-base);
}

.project-card:hover .project-overlay {
  opacity: 1;
}

.project-view {
  padding: 12px 24px;
  background: var(--color-text);
  color: var(--color-bg);
  font-weight: 500;
  border-radius: var(--radius-full);
  transform: translateY(10px);
  transition: transform var(--transition-base);
}

.project-card:hover .project-view {
  transform: translateY(0);
}

.project-info {
  padding: 24px;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 12px;
}

.project-tag {
  font-size: 0.75rem;
  padding: 4px 10px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-full);
  color: var(--color-text-muted);
}

.project-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.project-desc {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

.portfolio-cta {
  text-align: center;
  margin-top: 60px;
}

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

.services {
  padding: 120px 0;
  background: transparent;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

@media (min-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
  }
}

.service-card {
  background: rgba(20, 20, 20, 0.4);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: transform var(--transition-base), border-color var(--transition-base), background var(--transition-base);
}

.service-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-accent);
  background: rgba(30, 30, 30, 0.5);
}

.service-number {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-accent-light);
  margin-bottom: 24px;
}

.service-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 16px;
}

.service-desc {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: 24px;
}

.service-list {
  list-style: none;
}

.service-list li {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  padding: 8px 0;
  border-top: 1px solid var(--color-border);
}

.service-list li:last-child {
  border-bottom: 1px solid var(--color-border);
}

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

.about {
  padding: 120px 0;
  background: transparent;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  margin-bottom: 80px;
  align-items: start;
}

@media (min-width: 1024px) {
  .about-grid {
    grid-template-columns: 1.2fr 0.8fr;
    gap: 80px;
  }
}

.about-content .section-title {
  text-align: left;
}

.about-text {
  margin-top: 32px;
}

.about-text p {
  font-size: 1.125rem;
  color: var(--color-text-muted);
  line-height: 1.8;
  margin-bottom: 20px;
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.stat {
  text-align: center;
  padding: 32px;
  background: rgba(20, 20, 20, 0.4);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  transition: background var(--transition-base), border-color var(--transition-base);
}

.stat-number {
  font-size: 3rem;
  font-weight: 700;
  color: var(--color-text);
  display: inline;
}

.stat-suffix {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-text);
}

.stat-label {
  display: block;
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-top: 8px;
}

/* Process */
.process {
  max-width: 800px;
  margin: 0 auto;
}

.process-title {
  font-family: var(--font-serif);
  font-size: 1.75rem;
  font-weight: 400;
  text-align: center;
  margin-bottom: 60px;
}

.process-steps {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.process-step {
  display: flex;
  gap: 24px;
}

.step-marker {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.step-number {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-accent);
  color: var(--color-text);
  font-weight: 600;
  border-radius: 50%;
  flex-shrink: 0;
}

.step-line {
  width: 2px;
  flex: 1;
  background: var(--color-border);
  margin: 8px 0;
}

.step-content {
  padding-bottom: 48px;
}

.step-content h4 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.step-content p {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

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

.contact {
  padding: 120px 0 80px;
  background: transparent;
}

.contact-content {
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
}

.contact-title {
  font-family: var(--font-serif);
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 400;
  line-height: 1.1;
  margin-bottom: 24px;
}

.contact-title em {
  font-style: italic;
  color: var(--color-accent-light);
}

.contact-subtitle {
  font-size: 1.125rem;
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: 48px;
}

.contact-cta {
  margin-bottom: 48px;
}

.contact-alt p {
  font-size: 0.875rem;
  color: var(--color-text-subtle);
  margin-bottom: 16px;
}

.social-links {
  display: flex;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
}

.social-link {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
}

.social-link:hover {
  color: var(--color-accent-light);
}

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

.footer {
  padding: 60px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(10, 10, 10, 0.6);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.footer-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 32px;
  text-align: center;
}

.footer-tagline {
  font-size: 0.875rem;
  color: var(--color-text-subtle);
  margin-top: 8px;
}

.footer-links {
  display: flex;
  gap: 32px;
  flex-wrap: wrap;
  justify-content: center;
}

.footer-links a {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
}

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

.footer-bottom p {
  font-size: 0.8125rem;
  color: var(--color-text-subtle);
}

/* ============================================
   MOBILE MENU
   ============================================ */

.mobile-menu {
  position: fixed;
  inset: 0;
  background: rgba(10, 10, 10, 0.98);
  backdrop-filter: blur(20px);
  z-index: 90;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
}

.mobile-menu.active {
  opacity: 1;
  visibility: visible;
}

.mobile-nav {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

.mobile-nav-link {
  font-family: var(--font-serif);
  font-size: 2rem;
  color: var(--color-text);
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.mobile-menu.active .mobile-nav-link {
  opacity: 1;
  transform: translateY(0);
}

.mobile-menu.active .mobile-nav-link:nth-child(1) {
  transition-delay: 0.1s;
}

.mobile-menu.active .mobile-nav-link:nth-child(2) {
  transition-delay: 0.15s;
}

.mobile-menu.active .mobile-nav-link:nth-child(3) {
  transition-delay: 0.2s;
}

.mobile-menu.active .mobile-nav-link:nth-child(4) {
  transition-delay: 0.25s;
}

/* ============================================
   RESPONSIVE ADJUSTMENTS
   ============================================ */

@media (max-width: 768px) {
  .portfolio {
    padding: 100px 0;
  }

  .services {
    padding: 100px 0;
  }

  .about {
    padding: 100px 0;
  }

  .contact {
    padding: 100px 0 60px;
  }

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

  .section-subtitle {
    font-size: 0.875rem;
  }

  .service-card {
    padding: 20px;
  }

  .service-desc {
    font-size: 0.8125rem;
    line-height: 1.6;
  }

  .service-list li {
    font-size: 0.75rem;
  }

  .project-desc {
    font-size: 0.8125rem;
  }

  .stat {
    padding: 20px 12px;
  }

  .stat-number {
    font-size: 1.75rem;
  }

  .stat-label {
    font-size: 0.7rem;
  }

  .about-grid {
    gap: 40px;
    margin-bottom: 60px;
  }

  .about-text p {
    font-size: 0.875rem;
    line-height: 1.7;
  }

  .process-step {
    gap: 16px;
  }

  .step-content {
    padding-bottom: 32px;
  }

  .step-content p {
    font-size: 0.8125rem;
  }

  .contact-subtitle {
    font-size: 0.875rem;
  }

  .hero-subtitle {
    font-size: 0.9rem;
  }
}

/* ============================================
   UTILITY CLASSES
   ============================================ */

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}