/**
 * SlickLabs LLC — Design System & Styles
 * Premium dark theme with glassmorphism, gradient accents, and micro-animations.
 */

/* ─── CSS Custom Properties ─── */
:root {
  /* Colors */
  --bg-primary: #0a0a0f;
  --bg-secondary: #111118;
  --bg-tertiary: #1a1a24;
  --bg-card: rgba(255, 255, 255, 0.03);
  --bg-card-hover: rgba(255, 255, 255, 0.06);
  --bg-glass: rgba(255, 255, 255, 0.04);
  --bg-glass-border: rgba(255, 255, 255, 0.08);

  --text-primary: #f0f0f5;
  --text-secondary: #a0a0b8;
  --text-muted: #6b6b80;

  --accent-cyan: #06b6d4;
  --accent-violet: #8b5cf6;
  --accent-blue: #3b82f6;
  --gradient-primary: linear-gradient(135deg, #06b6d4 0%, #8b5cf6 50%, #3b82f6 100%);
  --gradient-subtle: linear-gradient(135deg, rgba(6, 182, 212, 0.15) 0%, rgba(139, 92, 246, 0.15) 100%);

  /* Spacing */
  --section-padding: 120px;
  --container-max: 1200px;
  --container-padding: 24px;

  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 2rem;
  --font-size-4xl: 2.75rem;
  --font-size-5xl: 3.5rem;
  --font-size-6xl: 4.5rem;

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);

  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Navbar */
  --navbar-height: 72px;
}

/* ─── 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-family);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  overflow-x: hidden;
}

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

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

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

/* ─── Selection ─── */
::selection {
  background: rgba(6, 182, 212, 0.3);
  color: var(--text-primary);
}

/* ─── NAVIGATION ─── */
#navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--navbar-height);
  z-index: 1000;
  transition: transform var(--transition-base), background var(--transition-base), box-shadow var(--transition-base);
}

#navbar.scrolled {
  background: rgba(10, 10, 15, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.05);
}

#navbar.hidden {
  transform: translateY(-100%);
}

.nav-container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  font-size: var(--font-size-lg);
  letter-spacing: -0.02em;
  z-index: 10;
}

.logo-icon {
  font-size: 1.4rem;
}

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

.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav-link {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
  padding: 4px 0;
  letter-spacing: 0.01em;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  border-radius: 1px;
  transition: width var(--transition-base);
}

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

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

/* Mobile toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  z-index: 10;
}

.nav-toggle span {
  width: 22px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 1px;
  transition: all var(--transition-base);
}

.nav-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

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

.nav-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ─── HERO SECTION ─── */
.hero-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 0 var(--container-padding);
}

.hero-bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.gradient-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.4;
  will-change: transform;
}

.orb-1 {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--accent-cyan) 0%, transparent 70%);
  top: -15%;
  right: -10%;
  animation: orbFloat 20s ease-in-out infinite;
}

.orb-2 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, var(--accent-violet) 0%, transparent 70%);
  bottom: -10%;
  left: -5%;
  animation: orbFloat 25s ease-in-out infinite reverse;
}

.orb-3 {
  width: 350px;
  height: 350px;
  background: radial-gradient(circle, var(--accent-blue) 0%, transparent 70%);
  top: 40%;
  left: 50%;
  transform: translateX(-50%);
  animation: orbFloat 18s ease-in-out infinite 5s;
}

@keyframes orbFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  25% { transform: translate(30px, -40px) scale(1.05); }
  50% { transform: translate(-20px, 20px) scale(0.95); }
  75% { transform: translate(15px, 30px) scale(1.02); }
}

.grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 50%, black 20%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 50% 50%, black 20%, transparent 100%);
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 800px;
  animation: heroFadeIn 1.2s ease-out;
}

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

.hero-badge {
  display: inline-block;
  padding: 8px 20px;
  border-radius: var(--radius-full);
  background: var(--bg-glass);
  border: 1px solid var(--bg-glass-border);
  font-size: var(--font-size-xs);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-cyan);
  margin-bottom: 32px;
  backdrop-filter: blur(10px);
}

.hero-title {
  font-size: var(--font-size-5xl);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 24px;
}

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

.hero-subtitle {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 600px;
  margin: 0 auto 40px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ─── BUTTONS ─── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: 600;
  letter-spacing: 0.01em;
  cursor: pointer;
  transition: all var(--transition-base);
  border: none;
  outline: none;
}

.btn-primary {
  background: var(--gradient-primary);
  color: white;
  box-shadow: 0 4px 24px rgba(6, 182, 212, 0.25);
}

.btn-primary:hover {
  box-shadow: 0 8px 40px rgba(6, 182, 212, 0.35);
  transform: translateY(-2px);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--bg-glass-border);
}

.btn-ghost:hover {
  color: var(--text-primary);
  background: var(--bg-glass);
  border-color: rgba(255, 255, 255, 0.15);
}

/* ─── Scroll Indicator ─── */
.scroll-indicator {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.scroll-line {
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, var(--accent-cyan), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; transform: scaleY(0.6); }
  50% { opacity: 1; transform: scaleY(1); }
}

/* ─── SECTIONS ─── */
.section {
  padding: var(--section-padding) 0;
  position: relative;
}

.section-header {
  text-align: center;
  margin-bottom: 72px;
}

.section-tag {
  display: inline-block;
  font-size: var(--font-size-xs);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-cyan);
  margin-bottom: 16px;
}

.section-title {
  font-size: var(--font-size-4xl);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 20px;
}

.section-description {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 620px;
  margin: 0 auto;
}

/* ─── ABOUT / VALUES ─── */
.about-section {
  background: var(--bg-secondary);
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.value-card {
  padding: 40px 32px;
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  border: 1px solid var(--bg-glass-border);
  transition: all var(--transition-slow);
  position: relative;
  overflow: hidden;
}

.value-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-slow);
}

.value-card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(255, 255, 255, 0.12);
  transform: translateY(-4px);
}

.value-card:hover::before {
  transform: scaleX(1);
}

.value-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: var(--gradient-subtle);
  color: var(--accent-cyan);
  margin-bottom: 24px;
}

.value-title {
  font-size: var(--font-size-xl);
  font-weight: 600;
  letter-spacing: -0.01em;
  margin-bottom: 12px;
}

.value-description {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ─── SERVICES ─── */
.services-section {
  background: var(--bg-primary);
}

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

.service-card {
  padding: 48px 40px;
  border-radius: var(--radius-xl);
  background: var(--bg-card);
  border: 1px solid var(--bg-glass-border);
  position: relative;
  overflow: hidden;
  transition: all var(--transition-slow);
}

.service-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-subtle);
  opacity: 0;
  transition: opacity var(--transition-slow);
}

.service-card:hover {
  border-color: rgba(255, 255, 255, 0.12);
  transform: translateY(-4px);
}

.service-card:hover::after {
  opacity: 1;
}

.service-card > * {
  position: relative;
  z-index: 1;
}

.service-number {
  font-size: var(--font-size-6xl);
  font-weight: 700;
  color: rgba(255, 255, 255, 0.04);
  line-height: 1;
  margin-bottom: 24px;
  letter-spacing: -0.04em;
}

.service-title {
  font-size: var(--font-size-2xl);
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.service-description {
  font-size: var(--font-size-base);
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 28px;
}

.service-tags {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.tag {
  padding: 6px 14px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.06);
  font-size: var(--font-size-xs);
  font-weight: 500;
  color: var(--text-muted);
  letter-spacing: 0.02em;
}

/* ─── CONTACT ─── */
.contact-section {
  background: var(--bg-secondary);
}

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

.contact-info .section-tag {
  text-align: left;
}

.contact-info .section-title {
  text-align: left;
  font-size: var(--font-size-4xl);
}

.contact-info .section-description {
  text-align: left;
  margin: 0 0 40px;
}

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

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

.contact-method:hover {
  background: var(--bg-card-hover);
  border-color: rgba(255, 255, 255, 0.12);
  transform: translateX(4px);
}

.contact-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background: var(--gradient-subtle);
  color: var(--accent-cyan);
  flex-shrink: 0;
}

.contact-label {
  display: block;
  font-size: var(--font-size-xs);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin-bottom: 2px;
}

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

/* Contact visual */
.contact-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 400px;
}

.contact-glow {
  position: absolute;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(6, 182, 212, 0.12) 0%, transparent 70%);
  filter: blur(60px);
}

.abstract-shape {
  width: 320px;
  height: 320px;
  animation: shapeMorph 15s ease-in-out infinite;
}

.abstract-shape svg {
  width: 100%;
  height: 100%;
}

@keyframes shapeMorph {
  0%, 100% { transform: rotate(0deg) scale(1); }
  33% { transform: rotate(120deg) scale(1.05); }
  66% { transform: rotate(240deg) scale(0.95); }
}

/* ─── FOOTER ─── */
.footer {
  padding: 64px 0 32px;
  background: var(--bg-primary);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 48px;
}

.footer-logo {
  display: inline-flex;
}

.footer-tagline {
  color: var(--text-muted);
  font-size: var(--font-size-sm);
  margin-top: 12px;
  max-width: 280px;
}

.footer-links {
  display: flex;
  gap: 32px;
}

.footer-links a {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--text-muted);
  transition: color var(--transition-fast);
}

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

.footer-bottom {
  padding-top: 32px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.copyright {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  text-align: center;
}

/* ─── SCROLL ANIMATIONS ─── */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease-out, transform 0.7s ease-out;
}

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

/* Stagger animation for grid children */
.values-grid .animate-on-scroll:nth-child(1) { transition-delay: 0ms; }
.values-grid .animate-on-scroll:nth-child(2) { transition-delay: 120ms; }
.values-grid .animate-on-scroll:nth-child(3) { transition-delay: 240ms; }

.services-grid .animate-on-scroll:nth-child(1) { transition-delay: 0ms; }
.services-grid .animate-on-scroll:nth-child(2) { transition-delay: 150ms; }

/* ─── RESPONSIVE ─── */

/* Tablet */
@media (max-width: 1024px) {
  :root {
    --section-padding: 88px;
  }

  .hero-title {
    font-size: var(--font-size-4xl);
  }

  .section-title {
    font-size: var(--font-size-3xl);
  }

  .values-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }

  .services-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .contact-wrapper {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .contact-visual {
    min-height: 280px;
  }
}

/* Mobile */
@media (max-width: 768px) {
  :root {
    --section-padding: 72px;
    --navbar-height: 64px;
    --container-padding: 20px;
  }

  /* Mobile Navigation */
  .nav-toggle {
    display: flex;
  }

  .nav-links {
    position: fixed;
    inset: 0;
    background: rgba(10, 10, 15, 0.97);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 32px;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
  }

  .nav-links.open {
    opacity: 1;
    visibility: visible;
  }

  .nav-link {
    font-size: var(--font-size-2xl);
    font-weight: 600;
  }

  /* Hero */
  .hero-title {
    font-size: var(--font-size-3xl);
  }

  .hero-subtitle {
    font-size: var(--font-size-base);
  }

  .hero-badge {
    font-size: 0.65rem;
    padding: 6px 16px;
  }

  /* Sections */
  .section-title {
    font-size: var(--font-size-2xl);
  }

  .section-description {
    font-size: var(--font-size-base);
  }

  /* Values */
  .values-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .value-card {
    padding: 28px 24px;
  }

  /* Services */
  .service-card {
    padding: 32px 28px;
  }

  .service-number {
    font-size: var(--font-size-4xl);
    margin-bottom: 16px;
  }

  /* Contact */
  .contact-info .section-title {
    font-size: var(--font-size-3xl);
  }

  .contact-visual {
    min-height: 200px;
  }

  .abstract-shape {
    width: 220px;
    height: 220px;
  }

  /* Footer */
  .footer-content {
    flex-direction: column;
    gap: 32px;
  }

  .footer-links {
    gap: 24px;
  }
}

/* Small Mobile */
@media (max-width: 480px) {
  .hero-title {
    font-size: 1.75rem;
  }

  .hero-actions {
    flex-direction: column;
    align-items: center;
  }

  .btn {
    width: 100%;
    justify-content: center;
    max-width: 280px;
  }
}

/* ─── FOCUS STYLES (Accessibility) ─── */
:focus-visible {
  outline: 2px solid var(--accent-cyan);
  outline-offset: 4px;
}

.btn:focus-visible {
  outline-offset: 4px;
}

/* ─── REDUCED MOTION ─── */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .animate-on-scroll {
    opacity: 1;
    transform: none;
  }

  .hero-content {
    animation: none;
  }
}