/* ================================================================
   ZENITH GAME STUDIO — Design System & Styles
   Color palette derived from the gold/steel metallic logo
   ================================================================ */

/* ── Google Fonts được tải trong <head> của index.html (preconnect + preload) ── */

/* ── Design Tokens ── */
:root {
  /* Gold palette */
  --gold-100: #FFF8E1;
  --gold-200: #FFECB3;
  --gold-300: #F5D060;
  --gold-400: #E8B830;
  --gold-500: #D4A017;
  --gold-600: #C4920F;
  --gold-700: #B8860B;
  --gold-800: #9A7209;
  --gold-900: #8B6914;

  /* Steel / Gunmetal palette */
  --steel-100: #D4D4D8;
  --steel-200: #C0C0C0;
  --steel-300: #8A8A8A;
  --steel-400: #6B6B6B;
  --steel-500: #5C5C5C;
  --steel-600: #4A4A4A;
  --steel-700: #3A3A3A;
  --steel-800: #2A2A3A;
  --steel-900: #1A1A2E;

  /* Backgrounds */
  --bg-primary: #07071A;
  --bg-secondary: #0C0C24;
  --bg-tertiary: #111135;
  --bg-card: rgba(17, 17, 53, 0.65);
  --bg-card-hover: rgba(26, 26, 60, 0.85);

  /* Accents */
  --accent-cyan: #00D4FF;
  --accent-purple: #7B2FBE;
  --accent-blue: #3B82F6;

  /* Gradients */
  --gradient-gold: linear-gradient(135deg, #B8860B 0%, #D4A017 30%, #F5D060 60%, #D4A017 100%);
  --gradient-gold-text: linear-gradient(135deg, #F5D060 0%, #D4A017 50%, #F5D060 100%);
  --gradient-dark: linear-gradient(180deg, #07071A 0%, #0C0C24 50%, #111135 100%);
  --gradient-hero: radial-gradient(ellipse at 50% 0%, rgba(212,160,23,0.12) 0%, transparent 60%);
  --gradient-card-border: linear-gradient(135deg, rgba(212,160,23,0.5), rgba(184,134,11,0.1), rgba(212,160,23,0.3));

  /* Shadows */
  --shadow-gold: 0 0 30px rgba(212, 160, 23, 0.3);
  --shadow-gold-strong: 0 0 60px rgba(212, 160, 23, 0.5), 0 0 120px rgba(212, 160, 23, 0.2);
  --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.4);
  --shadow-card-hover: 0 16px 48px rgba(212, 160, 23, 0.15), 0 8px 24px rgba(0, 0, 0, 0.5);

  /* Typography */
  --font-heading: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;

  /* Spacing */
  --section-padding: 100px 0;
  --container-width: 1200px;
  --container-padding: 0 24px;

  /* Borders */
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
  --transition-spring: 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

/* ── CSS Reset ── */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  background: var(--bg-primary);
  color: var(--steel-100);
  line-height: 1.7;
  overflow-x: hidden;
  position: relative;
}

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition-base);
}

ul, ol {
  list-style: none;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

button, input, textarea {
  font-family: var(--font-body);
  border: none;
  outline: none;
  background: none;
}

/* ── Utility Classes ── */
.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: var(--container-padding);
}

.section-padding {
  padding: var(--section-padding);
}

.text-gold {
  background: var(--gradient-gold-text);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.text-glow {
  text-shadow: 0 0 20px rgba(212, 160, 23, 0.5), 0 0 40px rgba(212, 160, 23, 0.2);
}

/* ── Section Titles ── */
.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  border-radius: 100px;
  background: rgba(212, 160, 23, 0.08);
  border: 1px solid rgba(212, 160, 23, 0.2);
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--gold-400);
  margin-bottom: 20px;
}

.section-badge svg {
  width: 16px;
  height: 16px;
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  margin-bottom: 16px;
  line-height: 1.3;
  text-transform: uppercase;
  letter-spacing: 2px;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--steel-300);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.8;
}

/* ── Gold Decorative Line ── */
.gold-line {
  width: 80px;
  height: 3px;
  background: var(--gradient-gold);
  margin: 20px auto 0;
  border-radius: 2px;
  position: relative;
}

.gold-line::after {
  content: '◆';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: var(--gold-500);
  font-size: 8px;
  background: var(--bg-primary);
  padding: 0 10px;
}

/* ================================================================
   NAVIGATION
   ================================================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 20px 0;
  transition: var(--transition-base);
}

.navbar.scrolled {
  background: rgba(7, 7, 26, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(212, 160, 23, 0.1);
  padding: 12px 0;
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-logo img {
  height: 45px;
  width: auto;
  filter: drop-shadow(0 0 8px rgba(212, 160, 23, 0.3));
  transition: var(--transition-base);
}

.navbar.scrolled .nav-logo img {
  height: 38px;
}

.nav-logo-text {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  background: var(--gradient-gold-text);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: 1px;
  line-height: 1.2;
}

.nav-logo-text span {
  display: block;
  font-size: 0.6rem;
  font-weight: 500;
  letter-spacing: 3px;
  color: var(--steel-300);
  -webkit-text-fill-color: var(--steel-300);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-link {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--steel-200);
  position: relative;
  padding: 4px 0;
  letter-spacing: 0.5px;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-gold);
  transition: var(--transition-base);
  border-radius: 1px;
}

.nav-link:hover,
.nav-link.active {
  color: var(--gold-300);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.nav-cta {
  padding: 10px 24px;
  border-radius: 100px;
  background: var(--gradient-gold);
  color: #0A0A1A;
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.5px;
  transition: var(--transition-base);
  box-shadow: 0 0 20px rgba(212, 160, 23, 0.2);
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-gold);
}

/* Mobile Menu Toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  z-index: 1001;
}

.nav-toggle span {
  width: 26px;
  height: 2px;
  background: var(--gold-300);
  transition: var(--transition-base);
  border-radius: 2px;
}

.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 {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  text-align: center;
}

.hero-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.hero-bg-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  opacity: 0.18;
}

.hero-bg-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--gradient-hero);
  z-index: 2;
  pointer-events: none;
}

.hero-overlay::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 200px;
  background: linear-gradient(to top, var(--bg-primary), transparent);
}

.hero-content {
  position: relative;
  z-index: 10;
  max-width: 900px;
  padding: 0 24px;
}

.hero-logo {
  width: 180px;
  height: 180px;
  margin: 0 auto 32px;
  animation: heroFloat 4s ease-in-out infinite;
  filter: drop-shadow(0 0 30px rgba(212, 160, 23, 0.4));
}

.hero-logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

@keyframes heroFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-15px); }
}

.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(2.2rem, 5.5vw, 3.8rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 3px;
}

.hero-company-name {
  display: block;
  font-size: clamp(1rem, 2.5vw, 1.5rem);
  font-weight: 600;
  color: var(--gold-300);
  margin-bottom: 16px;
  letter-spacing: 4px;
}

.hero-tagline {
  font-size: clamp(1rem, 2vw, 1.3rem);
  color: var(--steel-200);
  margin-bottom: 40px;
  line-height: 1.8;
  max-width: 650px;
  margin-left: auto;
  margin-right: auto;
}

.hero-services {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.hero-service-tag {
  padding: 8px 20px;
  border-radius: 100px;
  border: 1px solid rgba(212, 160, 23, 0.25);
  background: rgba(212, 160, 23, 0.06);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--gold-300);
  backdrop-filter: blur(10px);
  transition: var(--transition-base);
}

.hero-service-tag:hover {
  background: rgba(212, 160, 23, 0.15);
  border-color: rgba(212, 160, 23, 0.5);
  transform: translateY(-2px);
}

.hero-buttons {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 100px;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: var(--transition-base);
  letter-spacing: 0.5px;
}

.btn-primary {
  background: var(--gradient-gold);
  color: #0A0A1A;
  box-shadow: 0 0 20px rgba(212, 160, 23, 0.25);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-gold);
}

.btn-secondary {
  border: 1px solid rgba(212, 160, 23, 0.3);
  color: var(--gold-300);
  background: rgba(212, 160, 23, 0.05);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: rgba(212, 160, 23, 0.12);
  border-color: rgba(212, 160, 23, 0.5);
  transform: translateY(-3px);
}

.btn svg {
  width: 18px;
  height: 18px;
}

/* Scroll Indicator */
.scroll-indicator {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--steel-400);
  font-size: 0.75rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  animation: scrollBounce 2s ease-in-out infinite;
}

.scroll-indicator .mouse {
  width: 24px;
  height: 38px;
  border: 2px solid var(--steel-500);
  border-radius: 12px;
  position: relative;
}

.scroll-indicator .mouse::after {
  content: '';
  position: absolute;
  top: 6px;
  left: 50%;
  transform: translateX(-50%);
  width: 3px;
  height: 8px;
  background: var(--gold-500);
  border-radius: 2px;
  animation: scrollWheel 2s ease-in-out infinite;
}

@keyframes scrollBounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

@keyframes scrollWheel {
  0%, 100% { opacity: 1; top: 6px; }
  50% { opacity: 0.3; top: 18px; }
}

/* ================================================================
   ABOUT SECTION
   ================================================================ */
.about {
  position: relative;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-image {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.about-image img {
  width: 100%;
  height: 400px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  transition: var(--transition-slow);
}

.about-image::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  padding: 2px;
  background: var(--gradient-card-border);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  z-index: 2;
  pointer-events: none;
}

.about-image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(7, 7, 26, 0.6));
  border-radius: var(--radius-lg);
  z-index: 1;
}

.about-text h3 {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--gold-400);
  margin-bottom: 12px;
  letter-spacing: 1px;
}

.about-text p {
  color: var(--steel-200);
  line-height: 1.9;
  margin-bottom: 20px;
  font-size: 1rem;
}

.about-vision {
  padding: 20px 24px;
  border-left: 3px solid var(--gold-500);
  background: rgba(212, 160, 23, 0.04);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin-top: 24px;
}

.about-vision p {
  font-style: italic;
  color: var(--gold-200);
  font-size: 0.95rem;
  margin-bottom: 0;
}

/* Stats Row */
.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 60px;
}

.stat-card {
  text-align: center;
  padding: 32px 16px;
  background: var(--bg-card);
  border-radius: var(--radius-md);
  border: 1px solid rgba(212, 160, 23, 0.08);
  backdrop-filter: blur(10px);
  transition: var(--transition-base);
}

.stat-card:hover {
  border-color: rgba(212, 160, 23, 0.25);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
}

.stat-number {
  font-family: var(--font-heading);
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  font-weight: 800;
  background: var(--gradient-gold-text);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 4px;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--steel-300);
  font-weight: 500;
}

/* ================================================================
   SERVICES SECTION
   ================================================================ */
.services {
  position: relative;
  background: var(--bg-secondary);
}

.services::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(212, 160, 23, 0.3), transparent);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.service-card {
  position: relative;
  padding: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg-card);
  border: 1px solid rgba(212, 160, 23, 0.06);
  backdrop-filter: blur(10px);
  transition: var(--transition-base);
  cursor: default;
}

.service-card:hover {
  border-color: rgba(212, 160, 23, 0.25);
  transform: translateY(-8px);
  box-shadow: var(--shadow-card-hover);
}

.service-card-image {
  width: 100%;
  height: 220px;
  overflow: hidden;
  position: relative;
}

.service-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-slow);
}

.service-card:hover .service-card-image img {
  transform: scale(1.08);
}

.service-card-image::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 80px;
  background: linear-gradient(to top, var(--bg-card), transparent);
}

.service-card-body {
  padding: 28px 28px 32px;
}

.service-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: rgba(212, 160, 23, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  border: 1px solid rgba(212, 160, 23, 0.15);
  transition: var(--transition-base);
}

.service-card:hover .service-icon {
  background: rgba(212, 160, 23, 0.2);
  box-shadow: 0 0 20px rgba(212, 160, 23, 0.15);
}

.service-icon svg {
  width: 28px;
  height: 28px;
  color: var(--gold-400);
}

.service-card h3 {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: #fff;
}

.service-card p {
  color: var(--steel-300);
  font-size: 0.92rem;
  line-height: 1.8;
  margin-bottom: 20px;
}

.service-features {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.service-feature-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.85rem;
  color: var(--steel-200);
}

.service-feature-item svg {
  width: 16px;
  height: 16px;
  color: var(--gold-500);
  flex-shrink: 0;
}

/* ================================================================
   WHY CHOOSE US SECTION
   ================================================================ */
.why-us {
  position: relative;
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.why-card {
  text-align: center;
  padding: 40px 24px;
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  border: 1px solid rgba(212, 160, 23, 0.06);
  backdrop-filter: blur(10px);
  transition: var(--transition-base);
  position: relative;
  overflow: hidden;
}

.why-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: var(--gradient-gold);
  opacity: 0;
  transition: var(--transition-base);
}

.why-card:hover::before {
  opacity: 1;
}

.why-card:hover {
  border-color: rgba(212, 160, 23, 0.2);
  transform: translateY(-6px);
  box-shadow: var(--shadow-card-hover);
}

.why-icon {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: rgba(212, 160, 23, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  border: 1px solid rgba(212, 160, 23, 0.12);
  transition: var(--transition-base);
}

.why-card:hover .why-icon {
  background: rgba(212, 160, 23, 0.16);
  box-shadow: 0 0 24px rgba(212, 160, 23, 0.15);
  transform: scale(1.05);
}

.why-icon svg {
  width: 32px;
  height: 32px;
  color: var(--gold-400);
}

.why-card h3 {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 10px;
}

.why-card p {
  color: var(--steel-300);
  font-size: 0.88rem;
  line-height: 1.7;
}

/* ================================================================
   PROCESS / TIMELINE SECTION
   ================================================================ */
.process {
  background: var(--bg-secondary);
  position: relative;
}

.process::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(212, 160, 23, 0.3), transparent);
}

.process-timeline {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  position: relative;
}

.process-step {
  text-align: center;
  padding: 36px 24px;
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  border: 1px solid rgba(212, 160, 23, 0.06);
  position: relative;
  transition: var(--transition-base);
}

.process-step:hover {
  border-color: rgba(212, 160, 23, 0.2);
  transform: translateY(-4px);
}

.step-number {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  font-weight: 900;
  background: var(--gradient-gold-text);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  opacity: 0.35;
  margin-bottom: 12px;
}

.process-step h3 {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 8px;
}

.process-step p {
  color: var(--steel-300);
  font-size: 0.88rem;
  line-height: 1.7;
}

.step-connector {
  display: none;
}

/* ================================================================
   TECH STACK SECTION
   ================================================================ */
.tech-stack {
  position: relative;
  overflow: hidden;
}

.tech-marquee {
  overflow: hidden;
  padding: 20px 0;
  mask-image: linear-gradient(90deg, transparent 0%, #000 10%, #000 90%, transparent 100%);
  -webkit-mask-image: linear-gradient(90deg, transparent 0%, #000 10%, #000 90%, transparent 100%);
}

.tech-track {
  display: flex;
  gap: 40px;
  animation: marqueeScroll 30s linear infinite;
  width: max-content;
}

.tech-track:hover {
  animation-play-state: paused;
}

@keyframes marqueeScroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.tech-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  background: var(--bg-card);
  border: 1px solid rgba(212, 160, 23, 0.06);
  white-space: nowrap;
  transition: var(--transition-base);
  flex-shrink: 0;
}

.tech-item:hover {
  border-color: rgba(212, 160, 23, 0.25);
  background: var(--bg-card-hover);
}

.tech-item span {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--steel-200);
}

.tech-item .tech-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--gold-500);
}

/* ================================================================
   CONTACT SECTION
   ================================================================ */
.contact {
  background: var(--bg-secondary);
  position: relative;
}

.contact::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(212, 160, 23, 0.3), transparent);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}

.contact-info h3 {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: 16px;
  color: #fff;
}

.contact-info > p {
  color: var(--steel-300);
  margin-bottom: 32px;
  line-height: 1.8;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-bottom: 32px;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.contact-item-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: rgba(212, 160, 23, 0.08);
  border: 1px solid rgba(212, 160, 23, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-item-icon svg {
  width: 22px;
  height: 22px;
  color: var(--gold-400);
}

.contact-item-text h4 {
  font-size: 0.9rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: 4px;
}

.contact-item-text p,
.contact-item-text a {
  font-size: 0.9rem;
  color: var(--steel-300);
  line-height: 1.6;
}

.contact-item-text a:hover {
  color: var(--gold-400);
}

/* Contact Form */
.contact-form-wrapper {
  padding: 36px;
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  border: 1px solid rgba(212, 160, 23, 0.08);
  backdrop-filter: blur(10px);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--steel-200);
}

.form-group input,
.form-group textarea {
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(212, 160, 23, 0.1);
  color: #fff;
  font-size: 0.92rem;
  transition: var(--transition-base);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--steel-500);
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--gold-500);
  background: rgba(212, 160, 23, 0.04);
  box-shadow: 0 0 0 3px rgba(212, 160, 23, 0.08);
}

.form-group textarea {
  min-height: 120px;
  resize: vertical;
}

.btn-submit {
  align-self: flex-start;
  min-width: 180px;
  justify-content: center;
}

/* Social Links */
.social-links {
  display: flex;
  gap: 12px;
}

.social-link {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(212, 160, 23, 0.08);
  border: 1px solid rgba(212, 160, 23, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-base);
}

.social-link:hover {
  background: rgba(212, 160, 23, 0.2);
  border-color: var(--gold-500);
  transform: translateY(-3px);
}

.social-link svg {
  width: 20px;
  height: 20px;
  color: var(--gold-400);
}

/* ================================================================
   FOOTER
   ================================================================ */
.footer {
  padding: 48px 0 24px;
  background: var(--bg-primary);
  border-top: 1px solid rgba(212, 160, 23, 0.06);
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
  margin-bottom: 32px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.footer-brand img {
  height: 40px;
  width: auto;
}

.footer-brand-text {
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--gold-300);
}

.footer-brand-text span {
  display: block;
  font-size: 0.65rem;
  font-weight: 400;
  color: var(--steel-400);
  letter-spacing: 2px;
  font-family: var(--font-body);
}

.footer-links {
  display: flex;
  gap: 24px;
}

.footer-links a {
  font-size: 0.85rem;
  color: var(--steel-400);
  transition: var(--transition-base);
}

.footer-links a:hover {
  color: var(--gold-400);
}

.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.04);
  text-align: center;
  font-size: 0.8rem;
  color: var(--steel-500);
}

/* ================================================================
   SCROLL ANIMATIONS
   ================================================================ */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* Stagger children */
.stagger-children .reveal:nth-child(1) { transition-delay: 0.05s; }
.stagger-children .reveal:nth-child(2) { transition-delay: 0.12s; }
.stagger-children .reveal:nth-child(3) { transition-delay: 0.19s; }
.stagger-children .reveal:nth-child(4) { transition-delay: 0.26s; }
.stagger-children .reveal:nth-child(5) { transition-delay: 0.33s; }
.stagger-children .reveal:nth-child(6) { transition-delay: 0.40s; }

/* ================================================================
   SHIMMER EFFECT
   ================================================================ */
@keyframes shimmer {
  0% { background-position: -200% center; }
  100% { background-position: 200% center; }
}

.shimmer-text {
  background: linear-gradient(
    90deg,
    var(--gold-700) 0%,
    var(--gold-300) 25%,
    var(--gold-500) 50%,
    var(--gold-300) 75%,
    var(--gold-700) 100%
  );
  background-size: 200% auto;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: shimmer 4s linear infinite;
}

/* ================================================================
   TOAST / SUCCESS MESSAGE
   ================================================================ */
.toast {
  position: fixed;
  bottom: 32px;
  right: 32px;
  padding: 16px 28px;
  border-radius: var(--radius-md);
  background: rgba(17, 17, 53, 0.95);
  border: 1px solid rgba(212, 160, 23, 0.3);
  backdrop-filter: blur(20px);
  color: var(--gold-300);
  font-weight: 500;
  font-size: 0.9rem;
  z-index: 9999;
  transform: translateY(100px);
  opacity: 0;
  transition: var(--transition-base);
  box-shadow: var(--shadow-gold);
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

/* ================================================================
   RESPONSIVE DESIGN
   ================================================================ */
@media (max-width: 1024px) {
  .services-grid {
    grid-template-columns: 1fr;
    max-width: 500px;
    margin: 0 auto;
  }
  
  .why-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .process-timeline {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin: 0 auto;
  }
}

@media (max-width: 768px) {
  :root {
    --section-padding: 72px 0;
  }
  
  /* Navigation */
  .nav-toggle {
    display: flex;
  }
  
  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: rgba(7, 7, 26, 0.97);
    backdrop-filter: blur(20px);
    flex-direction: column;
    justify-content: center;
    gap: 28px;
    padding: 60px 32px;
    transition: var(--transition-base);
    border-left: 1px solid rgba(212, 160, 23, 0.1);
  }
  
  .nav-menu.open {
    right: 0;
  }
  
  .nav-link {
    font-size: 1.05rem;
  }
  
  /* About */
  .about-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  
  .about-image {
    order: -1;
  }
  
  .about-image img {
    height: 280px;
  }
  
  /* Stats */
  .stats-row {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
  
  /* Services */
  .services-grid {
    max-width: 100%;
  }
  
  /* Why Us */
  .why-grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin: 0 auto;
  }
  
  /* Contact */
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .form-row {
    grid-template-columns: 1fr;
  }
  
  /* Footer */
  .footer-content {
    flex-direction: column;
    text-align: center;
  }
  
  .footer-links {
    flex-wrap: wrap;
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .hero-logo {
    width: 130px;
    height: 130px;
  }
  
  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }
  
  .hero-buttons .btn {
    width: 100%;
    max-width: 280px;
    justify-content: center;
  }
  
  .stats-row {
    grid-template-columns: 1fr 1fr;
  }
  
  .stat-card {
    padding: 20px 12px;
  }
  
  .section-header {
    margin-bottom: 40px;
  }
  
  .contact-form-wrapper {
    padding: 24px 20px;
  }
}
