/* ============================================================
   HITU TELECOM — Premium Design System
   A world-class dark theme with glassmorphism, cinematic effects,
   and mobile-first responsive design.
   ============================================================ */

/* ---------- Google Fonts ---------- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Space+Grotesk:wght@400;500;600;700&display=swap');

/* ---------- CSS Custom Properties ---------- */
:root {
  /* Colors — Premium Dark */
  --bg-primary: #07070d;
  --bg-secondary: #0e0e18;
  --bg-tertiary: #151522;
  --bg-card: #12121e;
  --bg-elevated: #1a1a2e;

  /* Brand Colors (from logo) */
  --accent-blue: #2d9bf0;
  --accent-blue-dark: #1a7fd4;
  --accent-blue-glow: rgba(45, 155, 240, 0.35);
  --accent-orange: #e87d2f;
  --accent-orange-dark: #c96520;
  --accent-orange-glow: rgba(232, 125, 47, 0.35);
  --accent-cyan: #00d4ff;
  --accent-gradient: linear-gradient(135deg, var(--accent-blue) 0%, var(--accent-cyan) 50%, var(--accent-orange) 100%);
  --accent-gradient-subtle: linear-gradient(135deg, rgba(45,155,240,0.15), rgba(0,212,255,0.1), rgba(232,125,47,0.15));

  /* Text */
  --text-primary: #f0f0f5;
  --text-secondary: #8888a0;
  --text-tertiary: #55556a;
  --text-accent: var(--accent-blue);

  /* Glass */
  --glass-bg: rgba(255, 255, 255, 0.03);
  --glass-bg-hover: rgba(255, 255, 255, 0.06);
  --glass-border: rgba(255, 255, 255, 0.07);
  --glass-border-hover: rgba(255, 255, 255, 0.14);
  --glass-blur: 20px;

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
  --shadow-md: 0 8px 32px rgba(0,0,0,0.4);
  --shadow-lg: 0 16px 64px rgba(0,0,0,0.5);
  --shadow-glow-blue: 0 0 40px rgba(45,155,240,0.15);
  --shadow-glow-orange: 0 0 40px rgba(232,125,47,0.15);

  /* Typography */
  --font-heading: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;

  /* Spacing */
  --section-pad: clamp(80px, 10vw, 140px);
  --container-max: 1240px;
  --container-pad: clamp(20px, 5vw, 40px);

  /* Transitions */
  --ease-smooth: cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --ease-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
  --ease-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: 0.2s var(--ease-smooth);
  --transition-base: 0.4s var(--ease-smooth);
  --transition-slow: 0.7s var(--ease-expo);

  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-xl: 32px;
  --radius-full: 9999px;
}

/* ---------- Reset & Base ---------- */
*, *::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;
}

.lenis.lenis-smooth [data-lenis-prevent] {
  overscroll-behavior: contain;
}

body {
  font-family: var(--font-body);
  background: var(--bg-primary);
  color: var(--text-primary);
  overflow-x: hidden;
  line-height: 1.6;
  font-weight: 400;
}

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

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

button {
  font-family: var(--font-body);
  cursor: pointer;
  border: none;
  outline: none;
  background: none;
  color: inherit;
}

ul, ol {
  list-style: none;
}

/* ---------- Custom Scrollbar ---------- */
::-webkit-scrollbar {
  width: 6px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: var(--accent-blue);
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--accent-cyan);
}

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

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

/* ---------- Section Shared ---------- */
.section {
  padding: var(--section-pad) 0;
  position: relative;
}

.section-label {
  font-family: var(--font-heading);
  font-size: clamp(0.7rem, 1vw, 0.85rem);
  font-weight: 600;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--accent-blue);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.section-label::before {
  content: '';
  width: 32px;
  height: 2px;
  background: var(--accent-gradient);
  border-radius: 2px;
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 5vw, 3.6rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
  color: var(--text-primary);
}

.section-subtitle {
  font-size: clamp(1rem, 1.5vw, 1.15rem);
  color: var(--text-secondary);
  max-width: 580px;
  line-height: 1.7;
}

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

/* ---------- Glass Card ---------- */
.glass-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  transition: all var(--transition-base);
}

.glass-card:hover {
  background: var(--glass-bg-hover);
  border-color: var(--glass-border-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 16px 36px;
  border-radius: var(--radius-full);
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}

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

.btn-primary {
  background: var(--accent-blue);
  color: #fff;
  box-shadow: 0 4px 20px var(--accent-blue-glow);
}

.btn-primary::before {
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
}

.btn-primary:hover {
  transform: translateY(-2px) scale(1.03);
  box-shadow: 0 8px 40px var(--accent-blue-glow);
}

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

.btn-primary span {
  position: relative;
  z-index: 1;
}

.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  border-color: var(--accent-blue);
  color: var(--accent-blue);
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow-blue);
}

/* Magnetic hover effect handled by JS */
.btn-magnetic {
  will-change: transform;
}

/* ---------- PRELOADER ---------- */
.preloader {
  position: fixed;
  inset: 0;
  z-index: 10000;
  background: var(--bg-primary);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  transition: opacity 0.8s var(--ease-expo), visibility 0.8s;
}

.preloader.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.preloader-logo {
  width: 80px;
  height: 80px;
  margin-bottom: 28px;
  animation: preloaderPulse 1.5s ease-in-out infinite;
}

.preloader-bar-track {
  width: 200px;
  height: 3px;
  background: var(--bg-elevated);
  border-radius: 3px;
  overflow: hidden;
}

.preloader-bar {
  height: 100%;
  width: 0%;
  background: var(--accent-gradient);
  border-radius: 3px;
  transition: width 0.3s linear;
}

.preloader-text {
  margin-top: 16px;
  font-size: 0.8rem;
  color: var(--text-tertiary);
  font-family: var(--font-heading);
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

@keyframes preloaderPulse {
  0%, 100% { opacity: 0.5; transform: scale(0.95); }
  50% { opacity: 1; transform: scale(1.05); }
}

/* ============================================================
   NAVIGATION
   ============================================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 20px 0;
  transition: all var(--transition-base);
}

.navbar.scrolled {
  padding: 12px 0;
  background: rgba(7, 7, 13, 0.85);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--glass-border);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  z-index: 1001;
}

.nav-logo img {
  height: 42px;
  width: auto;
  border-radius: 6px;
}

.nav-logo-text {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.3rem;
  letter-spacing: -0.02em;
}

.nav-logo-text span {
  color: var(--accent-blue);
}

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

.nav-links a {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-gradient);
  border-radius: 2px;
  transition: width var(--transition-base);
}

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

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

.nav-cta {
  padding: 10px 24px;
  font-size: 0.85rem;
}

/* Hamburger */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 6px;
  width: 28px;
  cursor: pointer;
  z-index: 1001;
  padding: 4px;
}

.nav-hamburger span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all var(--transition-base);
  transform-origin: center;
}

.nav-hamburger.active span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}
.nav-hamburger.active span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.nav-hamburger.active span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* Mobile Menu Overlay */
.nav-mobile {
  position: fixed;
  inset: 0;
  z-index: 999;
  background: rgba(7, 7, 13, 0.97);
  backdrop-filter: blur(40px);
  -webkit-backdrop-filter: blur(40px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 32px;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-slow);
}

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

.nav-mobile a {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  font-weight: 600;
  color: var(--text-secondary);
  transition: all var(--transition-base);
  transform: translateY(20px);
  opacity: 0;
}

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

.nav-mobile a:hover {
  color: var(--accent-blue);
}

/* Stagger mobile links */
.nav-mobile a:nth-child(1) { transition-delay: 0.1s; }
.nav-mobile a:nth-child(2) { transition-delay: 0.15s; }
.nav-mobile a:nth-child(3) { transition-delay: 0.2s; }
.nav-mobile a:nth-child(4) { transition-delay: 0.25s; }
.nav-mobile a:nth-child(5) { transition-delay: 0.3s; }
.nav-mobile a:nth-child(6) { transition-delay: 0.35s; }
.nav-mobile a:nth-child(7) { transition-delay: 0.4s; }
.nav-mobile a:nth-child(8) { transition-delay: 0.45s; }

/* ============================================================
   HERO SECTION — GSAP Phone Assembly
   ============================================================ */
.hero {
  position: relative;
  width: 100%;
  height: 100vh;
  min-height: 600px;
  overflow: hidden;
  background: var(--bg-primary);
}

.hero-phone-stage {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1;
}

#heroCanvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: block;
  z-index: 1;
  pointer-events: none;
  will-change: transform, opacity;
}

.hero-content {
  position: absolute;
  inset: 0;
  z-index: 10;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 0 var(--container-pad);
  opacity: 0;
  pointer-events: none;
}

.hero-content.visible {
  opacity: 1;
  pointer-events: all;
}

.hero-logo-reveal {
  width: 100px;
  height: auto;
  margin-bottom: 28px;
  border-radius: 12px;
  opacity: 0;
  transform: scale(0.6);
}

.hero-headline {
  font-family: var(--font-heading);
  font-size: clamp(2.2rem, 6vw, 4.8rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.04em;
  margin-bottom: 24px;
  max-width: 900px;
}

.hero-subheadline {
  font-size: clamp(1rem, 1.8vw, 1.25rem);
  color: var(--text-secondary);
  max-width: 640px;
  margin-bottom: 44px;
  line-height: 1.7;
}

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



/* ============================================================
   TRUST BANNER (Before Services)
   ============================================================ */
.trust-banner {
  padding: 60px 0;
  position: relative;
  overflow: hidden;
}

.trust-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 50%, var(--bg-primary) 100%);
}

.trust-banner .container {
  position: relative;
  z-index: 1;
}

.trust-banner-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.trust-banner-item {
  text-align: center;
  padding: 32px 16px;
  border-radius: var(--radius-lg);
  border: 1px solid transparent;
  transition: all var(--transition-base);
}

.trust-banner-item:hover {
  border-color: var(--glass-border);
  background: var(--glass-bg);
}

.trust-banner-icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
  display: block;
}

.trust-banner-label {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.4;
}

.trust-banner-sublabel {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-top: 6px;
}

/* ============================================================
   ABOUT / FOUNDER SECTION
   ============================================================ */
.about {
  background: var(--bg-secondary);
  overflow: hidden;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(40px, 6vw, 80px);
  align-items: center;
}

.about-image-wrap {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.about-image-wrap::before {
  content: '';
  position: absolute;
  inset: -2px;
  border-radius: var(--radius-xl);
  background: var(--accent-gradient);
  z-index: 0;
  opacity: 0.5;
}

.about-image-inner {
  position: relative;
  z-index: 1;
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.about-image-inner img {
  width: 100%;
  height: 550px;
  object-fit: cover;
  object-position: center top;
  display: block;
}

.about-image-tag {
  position: absolute;
  bottom: 24px;
  left: 24px;
  z-index: 2;
  padding: 12px 20px;
  background: rgba(7, 7, 13, 0.8);
  backdrop-filter: blur(16px);
  border-radius: var(--radius-md);
  border: 1px solid var(--glass-border);
}

.about-image-tag strong {
  display: block;
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
}

.about-image-tag span {
  font-size: 0.8rem;
  color: var(--accent-blue);
  font-weight: 500;
}

.about-text {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.about-story {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.8;
}

/* Timeline */
.timeline {
  margin-top: 32px;
  position: relative;
  padding-left: 32px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 6px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--bg-elevated);
  border-radius: 2px;
}

.timeline-line-fill {
  position: absolute;
  left: 6px;
  top: 0;
  width: 2px;
  height: 0;
  background: var(--accent-gradient);
  border-radius: 2px;
  transition: height 0.8s var(--ease-expo);
}

.timeline-item {
  position: relative;
  padding: 16px 0;
  opacity: 0;
  transform: translateX(-20px);
  transition: all var(--transition-slow);
}

.timeline-item.visible {
  opacity: 1;
  transform: translateX(0);
}

.timeline-dot {
  position: absolute;
  left: -32px;
  top: 20px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--bg-primary);
  border: 3px solid var(--accent-blue);
  z-index: 1;
  transition: all var(--transition-base);
}

.timeline-item.visible .timeline-dot {
  background: var(--accent-blue);
  box-shadow: 0 0 16px var(--accent-blue-glow);
}

.timeline-year {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--accent-blue);
}

.timeline-desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-top: 4px;
}

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

.services-header {
  text-align: center;
  margin-bottom: clamp(48px, 6vw, 80px);
}

.services-header .section-subtitle {
  margin: 0 auto;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.service-card {
  padding: 40px 28px;
  text-align: center;
  position: relative;
  overflow: hidden;
  cursor: default;
}

.service-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  opacity: 0;
  transition: opacity var(--transition-base);
  background: linear-gradient(135deg, rgba(45,155,240,0.05), rgba(232,125,47,0.03));
}

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

/* Light sweep on card hover */
.service-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 60%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255,255,255,0.04),
    transparent
  );
  transform: skewX(-20deg);
  transition: left 0.6s var(--ease-expo);
}

.service-card:hover::after {
  left: 150%;
}

.service-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: rgba(45,155,240,0.08);
  color: var(--accent-blue);
  font-size: 1.6rem;
  transition: all var(--transition-base);
}

.service-card:hover .service-icon {
  background: rgba(45,155,240,0.14);
  transform: rotate(6deg) scale(1.08);
  box-shadow: 0 0 24px var(--accent-blue-glow);
}

.service-icon svg {
  width: 28px;
  height: 28px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.service-card h3 {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--text-primary);
}

.service-card p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.service-card:hover {
  border-color: rgba(45,155,240,0.2);
  box-shadow: var(--shadow-glow-blue);
}

/* ============================================================
   EXPERTISE / EXPLODED VIEW
   ============================================================ */
.expertise {
  background: var(--bg-secondary);
  overflow: hidden;
}

.expertise-header {
  text-align: center;
  margin-bottom: clamp(48px, 6vw, 80px);
}

.expertise-header .section-subtitle {
  margin: 0 auto;
}

.expertise-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

/* Exploded phone SVG view */
.exploded-phone {
  position: relative;
  width: 100%;
  max-width: 360px;
  margin: 0 auto;
  aspect-ratio: 9/18;
}

.phone-component {
  position: absolute;
  border-radius: var(--radius-md);
  transition: all 0.8s var(--ease-expo);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 6px;
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-secondary);
  padding: 8px 6px;
  box-sizing: border-box;
  text-align: center;
}

.phone-component.active {
  z-index: 10;
  color: var(--accent-blue);
}

.phone-component-icon {
  font-size: 1.5rem;
  transition: transform var(--transition-base);
}

.phone-component.active .phone-component-icon {
  transform: scale(1.2);
}

/* Component cards: display, battery, camera, motherboard, etc. */
.component-display {
  top: 14%;
  left: 5%;
  width: 90%;
  height: 36%;
  background: linear-gradient(180deg, rgba(0,212,255,0.1), rgba(45,155,240,0.05));
  border: 1px solid rgba(0,212,255,0.15);
}

.component-battery {
  top: 72%;
  left: 10%;
  width: 80%;
  height: 16%;
  background: rgba(76,175,80,0.08);
  border: 1px solid rgba(76,175,80,0.15);
}

.component-camera {
  top: 2%;
  right: 5%;
  width: 25%;
  height: auto;
  min-height: 60px;
  background: rgba(232,125,47,0.08);
  border: 1px solid rgba(232,125,47,0.15);
  border-radius: var(--radius-lg);
}

.component-motherboard {
  top: 53%;
  left: 5%;
  width: 90%;
  height: 16%;
  background: rgba(156,39,176,0.08);
  border: 1px solid rgba(156,39,176,0.15);
}

.component-charging {
  top: 91%;
  left: 35%;
  width: 30%;
  height: auto;
  min-height: 44px;
  background: rgba(255,193,7,0.08);
  border: 1px solid rgba(255,193,7,0.15);
  border-radius: 0 0 var(--radius-md) var(--radius-md);
}

.component-speaker {
  top: 2%;
  left: 35%;
  width: 30%;
  height: auto;
  min-height: 44px;
  background: rgba(33,150,243,0.08);
  border: 1px solid rgba(33,150,243,0.15);
  border-radius: var(--radius-md);
}

.component-sensors {
  top: 2.5%;
  left: 15%;
  width: 15%;
  height: auto;
  min-height: 44px;
  background: rgba(244,67,54,0.08);
  border: 1px solid rgba(244,67,54,0.15);
  border-radius: var(--radius-full);
}

/* Exploded state */
.exploded-phone.exploded .component-display { transform: scale(1.03) translateY(-5px); }
.exploded-phone.exploded .component-battery { transform: translateX(15px) rotate(2deg); }
.exploded-phone.exploded .component-camera { transform: translate(15px, -20px) rotate(5deg); }
.exploded-phone.exploded .component-motherboard { transform: translateX(-15px) rotate(-2deg); }
.exploded-phone.exploded .component-charging { transform: translateY(20px); }
.exploded-phone.exploded .component-speaker { transform: translateY(-20px); }
.exploded-phone.exploded .component-sensors { transform: translate(-15px, -20px) rotate(-5deg); }

/* Component detail panel */
.component-details {
  position: sticky;
  top: 120px;
}

.component-detail-card {
  padding: 32px;
  margin-bottom: 20px;
  opacity: 0.4;
  transform: scale(0.96);
  transition: all var(--transition-base);
}

.component-detail-card.active {
  opacity: 1;
  transform: scale(1);
  border-color: var(--accent-blue);
  box-shadow: var(--shadow-glow-blue);
}

.component-detail-card h4 {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.component-detail-card h4 .detail-icon {
  font-size: 1.4rem;
}

.component-detail-card p {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ============================================================
   STATS / COUNTER SECTION
   ============================================================ */
.stats {
  background: var(--bg-primary);
  position: relative;
  overflow: hidden;
}

.stats::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--accent-blue-glow) 0%, transparent 70%);
  pointer-events: none;
  opacity: 0.3;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  position: relative;
  z-index: 1;
}

.stat-item {
  text-align: center;
  padding: 40px 16px;
}

.stat-number {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  line-height: 1;
  margin-bottom: 12px;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  font-size: 0.95rem;
  color: var(--text-secondary);
  font-weight: 500;
}

/* ============================================================
   WHY CHOOSE US
   ============================================================ */
.why-us {
  background: var(--bg-secondary);
}

.why-us-header {
  text-align: center;
  margin-bottom: clamp(48px, 6vw, 80px);
}

.why-us-header .section-subtitle {
  margin: 0 auto;
}

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

.why-card {
  padding: 40px 28px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.why-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 20px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(45,155,240,0.06);
  border: 1px solid rgba(45,155,240,0.1);
  font-size: 1.8rem;
  transition: all var(--transition-base);
}

.why-card:hover .why-icon {
  background: rgba(45,155,240,0.12);
  border-color: rgba(45,155,240,0.25);
  transform: scale(1.08);
  box-shadow: 0 0 32px var(--accent-blue-glow);
}

.why-card h3 {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 10px;
}

.why-card p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ============================================================
   TESTIMONIALS
   ============================================================ */
.testimonials {
  background: var(--bg-primary);
  overflow: hidden;
}

.testimonials-header {
  text-align: center;
  margin-bottom: clamp(48px, 6vw, 80px);
}

.testimonials-header .section-subtitle {
  margin: 0 auto;
}

.testimonials-track-wrap {
  position: relative;
  overflow: hidden;
}

.testimonials-track {
  display: flex;
  transition: transform 0.6s var(--ease-expo);
}

.testimonial-card {
  min-width: 100%;
  padding: 0 16px;
}

@media (min-width: 768px) {
  .testimonial-card {
    min-width: 50%;
  }
}

@media (min-width: 1024px) {
  .testimonial-card {
    min-width: 33.333%;
  }
}

.testimonial-inner {
  padding: 36px;
  height: 100%;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.testimonial-stars {
  display: flex;
  gap: 4px;
  color: var(--accent-orange);
  font-size: 1rem;
}

.testimonial-text {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.7;
  flex-grow: 1;
  font-style: italic;
}

.testimonial-text::before {
  content: '"';
  font-size: 2rem;
  color: var(--accent-blue);
  font-style: normal;
  line-height: 0;
  vertical-align: -0.4em;
  margin-right: 4px;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 14px;
}

.testimonial-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--accent-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1rem;
  color: #fff;
}

.testimonial-name {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 600;
}

.testimonial-role {
  font-size: 0.8rem;
  color: var(--text-tertiary);
}

.testimonials-controls {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 16px;
  margin-top: 40px;
}

.testimonials-btn {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 1px solid var(--glass-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: all var(--transition-base);
  font-size: 1.2rem;
}

.testimonials-btn:hover {
  border-color: var(--accent-blue);
  color: var(--accent-blue);
  box-shadow: var(--shadow-glow-blue);
}

.testimonials-dots {
  display: flex;
  gap: 8px;
}

.testimonials-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--text-tertiary);
  transition: all var(--transition-base);
  cursor: pointer;
}

.testimonials-dot.active {
  background: var(--accent-blue);
  width: 24px;
  border-radius: 4px;
  box-shadow: 0 0 10px var(--accent-blue-glow);
}

/* ============================================================
   GALLERY
   ============================================================ */
.gallery {
  background: var(--bg-secondary);
}

.gallery-header {
  text-align: center;
  margin-bottom: clamp(48px, 6vw, 80px);
}

.gallery-header .section-subtitle {
  margin: 0 auto;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.gallery-item {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  aspect-ratio: 4/3;
}

.gallery-item:nth-child(1) {
  grid-row: span 2;
  aspect-ratio: auto;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease-expo);
}

.gallery-item:hover img {
  transform: scale(1.08);
}

.gallery-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(7,7,13,0.8) 0%, transparent 60%);
  opacity: 0;
  transition: opacity var(--transition-base);
  display: flex;
  align-items: flex-end;
  padding: 20px;
}

.gallery-item:hover .gallery-overlay {
  opacity: 1;
}

.gallery-overlay-text {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 600;
}

/* Lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 10000;
  background: rgba(0,0,0,0.92);
  backdrop-filter: blur(20px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
  cursor: zoom-out;
}

.lightbox.active {
  opacity: 1;
  visibility: visible;
}

.lightbox img {
  max-width: 90%;
  max-height: 85vh;
  border-radius: var(--radius-lg);
  object-fit: contain;
  transform: scale(0.9);
  transition: transform var(--transition-slow);
}

.lightbox.active img {
  transform: scale(1);
}

.lightbox-close {
  position: absolute;
  top: 24px;
  right: 24px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 1px solid var(--glass-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-primary);
  font-size: 1.5rem;
  cursor: pointer;
  transition: all var(--transition-base);
}

.lightbox-close:hover {
  border-color: var(--accent-blue);
  color: var(--accent-blue);
}

/* ============================================================
   CONTACT SECTION
   ============================================================ */
.contact {
  background: var(--bg-primary);
}

.contact-header {
  text-align: center;
  margin-bottom: clamp(48px, 6vw, 80px);
}

.contact-header .section-subtitle {
  margin: 0 auto;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(40px, 6vw, 80px);
}

.contact-form-card {
  padding: 40px;
}

.form-group {
  position: relative;
  margin-bottom: 24px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 16px 20px;
  background: var(--bg-primary);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: all var(--transition-base);
  outline: none;
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 3px rgba(45,155,240,0.1);
}

.form-group label {
  position: absolute;
  left: 20px;
  top: 16px;
  font-size: 0.95rem;
  color: var(--text-tertiary);
  pointer-events: none;
  transition: all var(--transition-fast);
  background: var(--bg-primary);
  padding: 0;
}

.form-group input:focus ~ label,
.form-group input:not(:placeholder-shown) ~ label,
.form-group textarea:focus ~ label,
.form-group textarea:not(:placeholder-shown) ~ label {
  top: -8px;
  left: 16px;
  font-size: 0.75rem;
  color: var(--accent-blue);
  padding: 0 6px;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.contact-info-card {
  padding: 28px;
  display: flex;
  align-items: center;
  gap: 20px;
}

.contact-info-icon {
  width: 52px;
  height: 52px;
  min-width: 52px;
  border-radius: var(--radius-md);
  background: rgba(45,155,240,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  color: var(--accent-blue);
}

.contact-info-text h4 {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.contact-info-text p,
.contact-info-text a {
  font-size: 0.9rem;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

.contact-info-text a:hover {
  color: var(--accent-blue);
}

.contact-map {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--glass-border);
  height: 220px;
}

.contact-map iframe {
  width: 100%;
  height: 100%;
  border: none;
  filter: grayscale(0.8) brightness(0.6) contrast(1.2);
  transition: filter var(--transition-base);
}

.contact-map:hover iframe {
  filter: grayscale(0.3) brightness(0.8) contrast(1.1);
}

/* WhatsApp button */
.whatsapp-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  background: #25d366;
  color: #fff;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.95rem;
  transition: all var(--transition-base);
  box-shadow: 0 4px 20px rgba(37,211,102,0.3);
}

.whatsapp-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 40px rgba(37,211,102,0.4);
}

/* ============================================================
   FLOATING WHATSAPP (global sticky)
   ============================================================ */
.whatsapp-float {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 9000;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: #25d366;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.6rem;
  box-shadow: 0 4px 20px rgba(37,211,102,0.4);
  cursor: pointer;
  transition: all var(--transition-base);
  animation: whatsappPulse 2.5s ease-in-out infinite;
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 8px 40px rgba(37,211,102,0.5);
}

@keyframes whatsappPulse {
  0%, 100% { box-shadow: 0 4px 20px rgba(37,211,102,0.4); }
  50% { box-shadow: 0 4px 20px rgba(37,211,102,0.4), 0 0 0 12px rgba(37,211,102,0.1); }
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--glass-border);
  padding: 80px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 60px;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.footer-brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.footer-brand-logo img {
  height: 40px;
  border-radius: 6px;
}

.footer-brand-logo span {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.2rem;
}

.footer-brand p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 320px;
}

.footer-socials {
  display: flex;
  gap: 12px;
  margin-top: 8px;
}

.footer-social-link {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--glass-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: all var(--transition-base);
  font-size: 1rem;
}

.footer-social-link:hover {
  border-color: var(--accent-blue);
  color: var(--accent-blue);
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow-blue);
}

.footer-col h4 {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--text-primary);
}

.footer-col a {
  display: block;
  font-size: 0.88rem;
  color: var(--text-secondary);
  padding: 6px 0;
  transition: color var(--transition-fast);
}

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

.footer-bottom {
  padding-top: 32px;
  border-top: 1px solid var(--glass-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-copyright {
  font-size: 0.83rem;
  color: var(--text-tertiary);
}

.footer-back-top {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--glass-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: all var(--transition-base);
  cursor: pointer;
}

.footer-back-top:hover {
  border-color: var(--accent-blue);
  color: var(--accent-blue);
  transform: translateY(-3px);
}

/* ============================================================
   REVEAL ANIMATIONS (controlled by JS/GSAP)
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(40px);
}

.reveal-left {
  opacity: 0;
  transform: translateX(-60px);
}

.reveal-right {
  opacity: 0;
  transform: translateX(60px);
}

.reveal-scale {
  opacity: 0;
  transform: scale(0.9);
}

/* ============================================================
   RESPONSIVE — TABLET
   ============================================================ */
@media (max-width: 1024px) {
  .nav-links {
    display: none;
  }
  .nav-cta-desktop {
    display: none;
  }
  .nav-hamburger {
    display: flex;
  }

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

  .expertise-wrap {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .why-us-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }

  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .gallery-item:nth-child(1) {
    grid-row: span 1;
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }

  .about-grid {
    grid-template-columns: 1fr;
  }

  .about-image-inner img {
    height: 420px;
  }

  .trust-banner-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ============================================================
   RESPONSIVE — MOBILE
   ============================================================ */
@media (max-width: 768px) {
  :root {
    --section-pad: clamp(60px, 10vw, 80px);
  }



  .hero-headline {
    font-size: clamp(1.8rem, 7vw, 2.6rem);
  }

  .hero-subheadline {
    font-size: 0.95rem;
    margin-bottom: 32px;
  }

  .hero-logo-reveal {
    width: 80px;
    margin-bottom: 20px;
  }

  .hero-ctas {
    flex-direction: column;
    width: 100%;
    max-width: 320px;
  }

  .hero-ctas .btn {
    width: 100%;
    padding: 18px 24px;
    font-size: 1rem;
  }

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

  .service-card {
    padding: 28px 20px;
    text-align: left;
    display: flex;
    gap: 16px;
    align-items: flex-start;
  }

  .service-icon {
    margin: 0;
    min-width: 52px;
    width: 52px;
    height: 52px;
  }

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

  .stat-item {
    padding: 24px 12px;
  }

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

  .gallery-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }

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

  .trust-banner-item {
    padding: 20px 12px;
  }

  .whatsapp-float {
    bottom: 20px;
    right: 20px;
    width: 54px;
    height: 54px;
    font-size: 1.4rem;
  }

  .testimonial-card {
    min-width: 100%;
  }

  /* Gallery mobile slider */
  .gallery-grid {
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    gap: 12px;
    padding-bottom: 16px;
  }

  .gallery-item {
    min-width: 85%;
    scroll-snap-align: start;
    aspect-ratio: 16/10;
  }

  .exploded-phone {
    max-width: 260px;
  }

  .phone-component {
    font-size: 0.65rem;
    gap: 4px;
    padding: 6px 4px;
  }

  .phone-component-icon {
    font-size: 1.25rem;
  }
}

@media (max-width: 480px) {
  .hero-headline {
    font-size: clamp(1.6rem, 8vw, 2rem);
  }

  .stat-number {
    font-size: 2.2rem;
  }

  .section-title {
    font-size: clamp(1.7rem, 6vw, 2.2rem);
  }

  .trust-banner-grid {
    grid-template-columns: 1fr;
  }
}

/* ============================================================
   UTILITY ANIMATIONS
   ============================================================ */
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

@keyframes rotateGlow {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

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