/* ============================================
   REACH-OUT.TECH — Design System
   ============================================ */

/* ---------- CSS Variables ---------- */
:root {
  --bg-primary: #060610;
  --bg-secondary: #0c0c1a;
  --bg-card: rgba(255, 255, 255, 0.025);
  --bg-card-hover: rgba(255, 255, 255, 0.05);
  --accent-violet: #8b5cf6;
  --accent-cyan: #2dd4bf;
  --accent-teal: #1e3a4f;
  --text-primary: #f0f0f5;
  --text-secondary: #8a8aa3;
  --text-muted: #3b3b50;
  --gradient: linear-gradient(135deg, #8b5cf6, #2dd4bf);
  --gradient-text: linear-gradient(90deg, #8b5cf6, #2dd4bf);
  --border-glass: 1px solid rgba(255, 255, 255, 0.06);
  --border-glow: 1px solid rgba(139, 92, 246, 0.2);
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --transition: 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* ---------- Light Theme ---------- */
[data-theme="light"] {
  --bg-primary: #f8f9fc;
  --bg-secondary: #eef0f5;
  --bg-card: rgba(0, 0, 0, 0.03);
  --bg-card-hover: rgba(0, 0, 0, 0.06);
  --text-primary: #1a1a2e;
  --text-secondary: #5a5a7a;
  --text-muted: #b0b0c8;
  --accent-teal: #d0e8f0;
  --border-glass: 1px solid rgba(0, 0, 0, 0.08);
  --border-glow: 1px solid rgba(139, 92, 246, 0.15);
}

/* Light theme element overrides */
[data-theme="light"] .navbar.scrolled {
  background: rgba(248, 249, 252, 0.85);
}

[data-theme="light"] .nav-mobile {
  background: rgba(248, 249, 252, 0.97);
}

[data-theme="light"] #hero::before {
  background: radial-gradient(circle, rgba(139, 92, 246, 0.06) 0%, rgba(45, 212, 191, 0.03) 40%, transparent 70%);
}

[data-theme="light"] .section-divider {
  background: linear-gradient(90deg, transparent, rgba(139,92,246,0.12) 30%, rgba(45,212,191,0.12) 70%, transparent);
}

[data-theme="light"] .product-number {
  color: rgba(0, 0, 0, 0.04);
}

[data-theme="light"] #global-canvas {
  opacity: 1; /* Keep particles fully visible */
}

[data-theme="light"] #contact::before {
  background: radial-gradient(circle, rgba(139, 92, 246, 0.04) 0%, rgba(45, 212, 191, 0.02) 40%, transparent 70%);
}

/* Fix logo colors in light mode */
[data-theme="light"] .nav-logo svg text:first-of-type {
  fill: #1a1a2e; /* Dark text */
}

[data-theme="light"] .nav-logo svg circle:first-of-type {
  fill: var(--accent-teal); /* Darker teal background for logo icon */
}

/* Change white nodes and lines to violet for contrast against light background */
[data-theme="light"] .nav-logo svg circle:not(:first-of-type) {
  fill: var(--accent-violet);
  opacity: 1;
}

[data-theme="light"] .nav-logo svg line {
  stroke: var(--accent-violet);
  opacity: 0.6;
}

[data-theme="light"] .footer {
  border-top-color: rgba(0, 0, 0, 0.06);
}

/* ---------- Theme Toggle ---------- */
.theme-toggle {
  position: relative;
  width: 44px;
  height: 24px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 100px;
  cursor: pointer;
  padding: 0;
  transition: background var(--transition), border-color var(--transition);
  display: flex;
  align-items: center;
  margin-left: 12px;
}

.theme-toggle:hover {
  border-color: rgba(139, 92, 246, 0.3);
}

.theme-toggle-thumb {
  position: absolute;
  left: 3px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--gradient);
  transition: transform 0.4s cubic-bezier(0.68, -0.15, 0.27, 1.15);
  display: flex;
  align-items: center;
  justify-content: center;
}

.theme-toggle-thumb svg {
  width: 11px;
  height: 11px;
  fill: #fff;
  transition: opacity 0.3s;
}

.theme-toggle-thumb .icon-sun { display: none; }
.theme-toggle-thumb .icon-moon { display: block; }

[data-theme="light"] .theme-toggle {
  background: rgba(0, 0, 0, 0.05);
  border-color: rgba(0, 0, 0, 0.12);
}

[data-theme="light"] .theme-toggle-thumb {
  transform: translateX(20px);
}

[data-theme="light"] .theme-toggle-thumb .icon-sun { display: block; }
[data-theme="light"] .theme-toggle-thumb .icon-moon { display: none; }

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

html {
  scroll-behavior: auto; /* Lenis handles smooth scroll */
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

html.lenis, html.lenis body {
  height: auto;
}

.lenis.lenis-smooth {
  scroll-behavior: auto !important;
}

body {
  font-family: var(--font-body);
  background: var(--bg-primary);
  color: var(--text-primary);
  overflow-x: hidden;
  cursor: none;
}

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

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

ul { list-style: none; }

/* ---------- Custom Cursor ---------- */
.cursor {
  position: fixed;
  top: 0;
  left: 0;
  width: 8px;
  height: 8px;
  background: var(--accent-cyan);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
  transition: width 0.2s, height 0.2s, background 0.2s;
  mix-blend-mode: difference;
}

.cursor-follower {
  position: fixed;
  top: 0;
  left: 0;
  width: 36px;
  height: 36px;
  border: 1px solid rgba(139, 92, 246, 0.4);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9998;
  transform: translate(-50%, -50%);
  transition: transform 0.15s ease-out, width 0.3s, height 0.3s, border-color 0.3s;
}

.cursor.hovering {
  width: 14px;
  height: 14px;
  background: var(--accent-violet);
}

.cursor-follower.hovering {
  width: 50px;
  height: 50px;
  border-color: rgba(45, 212, 191, 0.5);
}

/* ---------- Scroll Progress ---------- */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 2px;
  width: 0%;
  background: var(--gradient);
  z-index: 10000;
  transition: none;
}

/* ---------- Navigation ---------- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 20px 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: background 0.4s, backdrop-filter 0.4s, padding 0.4s;
}

.navbar.scrolled {
  background: rgba(6, 6, 16, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 14px 48px;
  border-bottom: var(--border-glass);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-logo svg {
  height: 36px;
  width: auto;
}

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

.nav-link {
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 400;
  color: var(--text-secondary);
  letter-spacing: 0.02em;
  position: relative;
  padding: 4px 0;
  transition: color var(--transition);
}

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

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

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

/* Mobile hamburger */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  transition: transform 0.3s, opacity 0.3s;
}

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

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

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

/* Mobile nav overlay */
.nav-mobile {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(6, 6, 16, 0.96);
  backdrop-filter: blur(30px);
  z-index: 999;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 32px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s;
}

.nav-mobile.open {
  opacity: 1;
  pointer-events: all;
}

.nav-mobile a {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color 0.3s;
}

.nav-mobile a:hover {
  color: var(--text-primary);
}

/* ============================================
   SECTION 1: HERO
   ============================================ */
#hero {
  position: relative;
  width: 100%;
  height: 100vh;
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

/* Ambient glow behind particles */
#hero::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 1000px;
  height: 1000px;
  transform: translate(-50%, -50%);
  background: radial-gradient(circle, rgba(139, 92, 246, 0.12) 0%, rgba(45, 212, 191, 0.06) 40%, transparent 70%);
  z-index: 0;
  pointer-events: none;
}

#global-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: -1;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

.hero-logo-img {
  height: 60px;
  width: auto;
  filter: brightness(0) invert(1);
  opacity: 0.85;
  margin-bottom: 8px;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(48px, 8vw, 96px);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.02em;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 16px;
  font-weight: 300;
  color: var(--text-secondary);
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.scroll-indicator {
  margin-top: 32px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  opacity: 0.5;
  animation: float 2.5s ease-in-out infinite;
}

.scroll-indicator span {
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.scroll-indicator .arrow {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--text-muted), transparent);
  position: relative;
}

.scroll-indicator .arrow::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 6px;
  height: 6px;
  border-right: 1px solid var(--text-muted);
  border-bottom: 1px solid var(--text-muted);
  transform: translateX(-50%) rotate(45deg);
}

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

/* ---- Section divider glow ---- */
.section-divider {
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(139,92,246,0.2) 30%, rgba(45,212,191,0.2) 70%, transparent);
  margin: 0;
}

/* ============================================
   SECTION 2: ABOUT
   ============================================ */
#about {
  position: relative;
  padding: 160px 48px 120px;
  max-width: 1200px;
  margin: 0 auto;
}

.about-label {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--accent-cyan);
  margin-bottom: 24px;
}

.about-heading {
  font-family: var(--font-display);
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 600;
  line-height: 1.15;
  margin-bottom: 32px;
  max-width: 700px;
}

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

.about-text {
  font-size: 17px;
  line-height: 1.8;
  color: var(--text-secondary);
  max-width: 620px;
  margin-bottom: 64px;
}

.capabilities-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.capability-card {
  background: var(--bg-card);
  border: var(--border-glass);
  border-radius: var(--radius-md);
  padding: 32px 24px;
  transition: background var(--transition), border-color var(--transition), transform var(--transition);
  position: relative;
  overflow: hidden;
}

.capability-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--gradient);
  opacity: 0;
  transition: opacity var(--transition);
}

.capability-card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(139, 92, 246, 0.15);
  transform: translateY(-4px);
}

.capability-card:hover::before {
  opacity: 1;
}

.capability-icon {
  width: 40px;
  height: 40px;
  margin-bottom: 20px;
  color: var(--accent-violet);
}

.capability-card h3 {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 8px;
}

.capability-card p {
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-secondary);
}

/* ============================================
   SECTION 3: PRODUCTS (Horizontal Scroll)
   ============================================ */
#products {
  position: relative;
  padding: 60px 0 0;
  overflow: hidden;
}

.products-header {
  padding: 0 48px;
  margin-bottom: 32px;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
}

.products-label {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--accent-cyan);
  margin-bottom: 12px;
}

.products-heading {
  font-family: var(--font-display);
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 600;
  margin-bottom: 8px;
}

.products-subtext {
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-secondary);
  max-width: 600px;
}

.products-scroll-wrapper {
  width: 100%;
  overflow: visible;
}

.products-track {
  display: flex;
  gap: 24px;
  padding: 0 48px 120px;
  width: max-content;
  will-change: transform;
}

.product-card {
  flex-shrink: 0;
  width: 340px;
  background: var(--bg-card);
  border: var(--border-glass);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: background var(--transition), border-color var(--transition), transform var(--transition);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.product-card::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  padding: 1px;
  background: linear-gradient(135deg, rgba(139,92,246,0), rgba(45,212,191,0));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
  transition: background 0.5s;
}

.product-card:hover::after {
  background: linear-gradient(135deg, rgba(139,92,246,0.3), rgba(45,212,191,0.3));
}

.product-card:hover {
  background: var(--bg-card-hover);
  transform: translateY(-6px);
}

.product-icon-wrapper {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.product-icon {
  width: 48px;
  height: 48px;
  stroke: var(--accent-cyan);
  fill: none;
  stroke-width: 1;
  animation: rotateIcon 12s linear infinite;
}

.product-card:nth-child(even) .product-icon {
  stroke: var(--accent-violet);
  animation-direction: reverse;
  animation-duration: 15s;
}

@keyframes rotateIcon {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.product-tag {
  display: inline-block;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent-cyan);
  background: rgba(45, 212, 191, 0.08);
  border: 1px solid rgba(45, 212, 191, 0.15);
  padding: 4px 12px;
  border-radius: 100px;
  width: fit-content;
}

.product-card:nth-child(even) .product-tag {
  color: var(--accent-violet);
  background: rgba(139, 92, 246, 0.08);
  border-color: rgba(139, 92, 246, 0.15);
}

.product-name {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 600;
  line-height: 1.3;
}

.product-desc {
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-secondary);
  flex-grow: 1;
}

.product-number {
  font-family: var(--font-display);
  font-size: 48px;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.03);
  position: absolute;
  bottom: 16px;
  right: 24px;
  line-height: 1;
}

/* ============================================
   SECTION 4: CONTACT
   ============================================ */
#contact {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 120px 48px;
  overflow: hidden;
}

/* Ambient glow for contact */
#contact::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 600px;
  height: 600px;
  transform: translate(-50%, -50%);
  background: radial-gradient(circle, rgba(45, 212, 191, 0.06) 0%, rgba(139, 92, 246, 0.03) 40%, transparent 70%);
  z-index: 0;
  pointer-events: none;
}



.contact-content {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 32px;
}

.contact-heading {
  font-family: var(--font-display);
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 600;
  line-height: 1.2;
  max-width: 600px;
}

.contact-sub {
  font-size: 16px;
  color: var(--text-secondary);
  max-width: 440px;
  line-height: 1.6;
}

.contact-info {
  display: flex;
  flex-wrap: wrap;
  gap: 32px;
  justify-content: center;
  margin-top: 16px;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--text-secondary);
}

.contact-item svg {
  width: 18px;
  height: 18px;
  color: var(--accent-cyan);
  flex-shrink: 0;
}

.linkedin-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 32px;
  border-radius: 100px;
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 500;
  color: var(--text-primary);
  background: transparent;
  border: 1px solid rgba(139, 92, 246, 0.4);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
  margin-top: 8px;
}

.linkedin-btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient);
  opacity: 0;
  transition: opacity var(--transition);
  border-radius: inherit;
}

.linkedin-btn:hover {
  border-color: transparent;
  transform: translateY(-2px);
}

.linkedin-btn:hover::before {
  opacity: 1;
}

.linkedin-btn span,
.linkedin-btn svg {
  position: relative;
  z-index: 1;
}

.linkedin-btn svg {
  width: 18px;
  height: 18px;
}

/* ---------- Footer ---------- */
.footer {
  padding: 32px 48px;
  text-align: center;
  font-size: 12px;
  color: var(--text-muted);
  border-top: var(--border-glass);
}

/* ============================================
   REVEAL ANIMATIONS
   ============================================ */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* stagger children */
.reveal-stagger > * {
  opacity: 0;
  transform: translateY(30px);
}

.reveal-stagger.visible > * {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-stagger.visible > *:nth-child(1) { transition-delay: 0s; }
.reveal-stagger.visible > *:nth-child(2) { transition-delay: 0.08s; }
.reveal-stagger.visible > *:nth-child(3) { transition-delay: 0.16s; }
.reveal-stagger.visible > *:nth-child(4) { transition-delay: 0.24s; }
.reveal-stagger.visible > *:nth-child(5) { transition-delay: 0.32s; }
.reveal-stagger.visible > *:nth-child(6) { transition-delay: 0.40s; }
.reveal-stagger.visible > *:nth-child(7) { transition-delay: 0.48s; }
.reveal-stagger.visible > *:nth-child(8) { transition-delay: 0.56s; }

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
  .capabilities-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .product-card {
    width: 300px;
  }
}

@media (max-width: 768px) {
  body {
    cursor: auto;
  }

  .cursor, .cursor-follower {
    display: none;
  }

  .navbar {
    padding: 16px 24px;
  }

  .navbar.scrolled {
    padding: 12px 24px;
  }

  .nav-links {
    display: none;
  }

  .nav-hamburger {
    display: flex;
  }

  .nav-mobile {
    display: flex;
  }

  #about {
    padding: 100px 24px 80px;
  }

  .capabilities-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .products-header {
    padding: 0 24px;
  }

  /* On mobile, products scroll vertically */
  .products-track {
    flex-direction: column;
    width: 100%;
    padding: 0 24px 80px;
    gap: 20px;
  }

  .product-card {
    width: 100%;
  }

  #contact {
    padding: 80px 24px;
  }

  .contact-info {
    flex-direction: column;
    align-items: center;
    gap: 20px;
  }

  .footer {
    padding: 24px;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 40px;
  }

  .about-heading {
    font-size: 28px;
  }

  .products-heading {
    font-size: 26px;
  }

  .contact-heading {
    font-size: 28px;
  }
}

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

  .reveal {
    opacity: 1;
    transform: none;
  }

  .scroll-indicator {
    animation: none;
  }
}