/* ===================================================
   PROUD PREMIUM INTERTRADING — Design System
   Theme: White Premium with Gold Accents
   =================================================== */

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

/* --- CSS Variables --- */
:root {
  /* Backgrounds */
  --bg-primary: #ffffff;
  --bg-secondary: #f7f7fa;
  --bg-tertiary: #eef0f5;
  --bg-hero: linear-gradient(165deg, #0c0c1d 0%, #1a1a3e 40%, #2a1f4e 70%, #1a1032 100%);
  --bg-dark: #0f0f1e;
  --bg-dark-secondary: #161630;

  /* Gold Palette */
  --gold-primary: #b8922f;
  --gold-light: #d4af37;
  --gold-lighter: #e8cc6e;
  --gold-dark: #8b6914;
  --gold-gradient: linear-gradient(135deg, #b8922f, #d4af37, #c9a84c);
  --gold-gradient-hover: linear-gradient(135deg, #d4af37, #e8cc6e, #d4af37);
  --gold-shimmer: linear-gradient(90deg, #b8922f 0%, #e8cc6e 25%, #d4af37 50%, #e8cc6e 75%, #b8922f 100%);

  /* Text */
  --text-primary: #1a1a2e;
  --text-secondary: #4a4a68;
  --text-muted: #8888a0;
  --text-light: #f5f5f7;
  --text-gold: #b8922f;

  /* UI */
  --border-light: rgba(0, 0, 0, 0.06);
  --border-gold: rgba(184, 146, 47, 0.3);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.08);
  --shadow-xl: 0 16px 60px rgba(0, 0, 0, 0.1);
  --shadow-gold: 0 4px 20px rgba(184, 146, 47, 0.15);
  --shadow-gold-lg: 0 8px 40px rgba(184, 146, 47, 0.2);

  /* Sizing */
  --nav-height: 80px;
  --container-max: 1280px;
  --container-wide: 1440px;
  --section-padding: 100px;
  --border-radius: 16px;
  --border-radius-sm: 8px;
  --border-radius-lg: 24px;
  --border-radius-xl: 32px;

  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-spring: 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* --- Reset & Base --- */
*,
*::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: 'Prompt', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  line-height: 1.7;
  overflow-x: hidden;
}

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

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

ul, ol {
  list-style: none;
}

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

input, textarea {
  font-family: inherit;
  outline: none;
}

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.2rem, 5vw, 3.8rem); }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.8rem); }
h3 { font-size: clamp(1.2rem, 2vw, 1.6rem); }
h4 { font-size: clamp(1rem, 1.5vw, 1.2rem); }

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

.text-shimmer {
  background: var(--gold-shimmer);
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: shimmer 3s linear infinite;
}

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

/* --- Layout --- */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

.container-wide {
  max-width: var(--container-wide);
  margin: 0 auto;
  padding: 0 24px;
}

section {
  padding: var(--section-padding) 0;
  position: relative;
}

/* --- Section Header --- */
.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  background: linear-gradient(135deg, rgba(184, 146, 47, 0.08), rgba(184, 146, 47, 0.04));
  border: 1px solid var(--border-gold);
  border-radius: 100px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--gold-primary);
  margin-bottom: 20px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.section-badge i {
  font-size: 0.75rem;
}

.section-header h2 {
  margin-bottom: 16px;
  color: var(--text-primary);
}

.section-header p {
  max-width: 640px;
  margin: 0 auto;
  color: var(--text-secondary);
  font-size: 1.05rem;
  line-height: 1.8;
}

/* ===================================================
   NAVIGATION
   =================================================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--nav-height);
  z-index: 1000;
  transition: all var(--transition-base);
  background: transparent;
}

.navbar.scrolled {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
  height: 70px;
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

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

.nav-logo-icon {
  width: 44px;
  height: 44px;
  background: var(--gold-gradient);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  color: white;
  font-weight: 800;
  box-shadow: var(--shadow-gold);
  transition: transform var(--transition-spring);
}

.nav-logo:hover .nav-logo-icon {
  transform: rotate(-5deg) scale(1.05);
}

.nav-logo-text {
  display: flex;
  flex-direction: column;
}

.nav-logo-text .brand-name {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-light);
  letter-spacing: 0.05em;
  line-height: 1.2;
  transition: color var(--transition-base);
}

.navbar.scrolled .nav-logo-text .brand-name {
  color: var(--text-primary);
}

.nav-logo-text .brand-sub {
  font-size: 0.65rem;
  color: rgba(255, 255, 255, 0.6);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 400;
  transition: color var(--transition-base);
}

.navbar.scrolled .nav-logo-text .brand-sub {
  color: var(--text-muted);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-links a {
  padding: 8px 18px;
  font-size: 0.9rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.85);
  border-radius: 10px;
  transition: all var(--transition-base);
  position: relative;
}

.navbar.scrolled .nav-links a {
  color: var(--text-secondary);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--gold-light);
}

.navbar.scrolled .nav-links a:hover,
.navbar.scrolled .nav-links a.active {
  color: var(--gold-primary);
  background: rgba(184, 146, 47, 0.06);
}

.nav-cta {
  padding: 10px 24px !important;
  background: var(--gold-gradient) !important;
  color: white !important;
  border-radius: 10px !important;
  font-weight: 600 !important;
  box-shadow: var(--shadow-gold);
  transition: all var(--transition-base) !important;
}

.nav-cta:hover {
  box-shadow: var(--shadow-gold-lg) !important;
  transform: translateY(-2px);
}

/* Hamburger */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  z-index: 1001;
  padding: 8px;
}

.nav-hamburger span {
  width: 24px;
  height: 2.5px;
  background: var(--text-light);
  border-radius: 2px;
  transition: all var(--transition-base);
}

.navbar.scrolled .nav-hamburger span {
  background: var(--text-primary);
}

.nav-hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translateY(7.5px);
}

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

.nav-hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translateY(-7.5px);
}

/* ===================================================
   HERO SECTION
   =================================================== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--bg-hero);
  position: relative;
  overflow: hidden;
  padding-top: var(--nav-height);
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(184, 146, 47, 0.12) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(100, 80, 200, 0.08) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

#hero-particles {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 1;
}

.hero .container {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-content {
  max-width: 620px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  background: rgba(184, 146, 47, 0.15);
  border: 1px solid rgba(184, 146, 47, 0.3);
  border-radius: 100px;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--gold-light);
  margin-bottom: 24px;
  backdrop-filter: blur(10px);
}

.hero-badge i {
  font-size: 0.7rem;
  animation: pulse-gold 2s ease-in-out infinite;
}

@keyframes pulse-gold {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.hero h1 {
  color: var(--text-light);
  margin-bottom: 24px;
  font-weight: 800;
  line-height: 1.15;
}

.hero h1 .highlight {
  background: var(--gold-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-description {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.65);
  line-height: 1.8;
  margin-bottom: 40px;
  max-width: 500px;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  gap: 40px;
  margin-top: 56px;
  padding-top: 36px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.hero-stat {
  text-align: left;
}

.hero-stat .stat-number {
  font-size: 2.2rem;
  font-weight: 800;
  background: var(--gold-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 4px;
}

.hero-stat .stat-label {
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.5);
  font-weight: 400;
}

/* Hero Visual */
.hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-visual-wrapper {
  position: relative;
  width: 100%;
  max-width: 500px;
}

.hero-image-main {
  width: 100%;
  border-radius: var(--border-radius-xl);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  position: relative;
  z-index: 2;
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-15px); }
}

.hero-visual-glow {
  position: absolute;
  width: 80%;
  height: 80%;
  top: 10%;
  left: 10%;
  background: radial-gradient(circle, rgba(184, 146, 47, 0.2), transparent 70%);
  border-radius: 50%;
  z-index: 1;
  filter: blur(40px);
  animation: glow-pulse 4s ease-in-out infinite;
}

@keyframes glow-pulse {
  0%, 100% { opacity: 0.6; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.1); }
}

.hero-floating-card {
  position: absolute;
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--border-radius);
  padding: 16px 20px;
  z-index: 3;
  animation: float 5s ease-in-out infinite;
  display: flex;
  align-items: center;
  gap: 12px;
}

.hero-floating-card.card-1 {
  top: 10%;
  right: -10%;
  animation-delay: -1s;
}

.hero-floating-card.card-2 {
  bottom: 15%;
  left: -10%;
  animation-delay: -2.5s;
}

.hero-floating-card .card-icon {
  width: 40px;
  height: 40px;
  background: var(--gold-gradient);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1rem;
}

.hero-floating-card .card-text {
  color: var(--text-light);
  font-size: 0.82rem;
  font-weight: 500;
}

.hero-floating-card .card-text span {
  display: block;
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.72rem;
  font-weight: 400;
}

/* Hero scroll indicator */
.hero-scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255, 255, 255, 0.4);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
}

.hero-scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, rgba(184, 146, 47, 0.6), transparent);
  animation: scroll-line 2s ease-in-out infinite;
}

@keyframes scroll-line {
  0% { transform: scaleY(0); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  51% { transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* ===================================================
   BUTTONS
   =================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: 12px;
  transition: all var(--transition-base);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--gold-gradient);
  color: white;
  box-shadow: var(--shadow-gold);
}

.btn-primary:hover {
  box-shadow: var(--shadow-gold-lg);
  transform: translateY(-3px);
}

.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.2), transparent);
  opacity: 0;
  transition: opacity var(--transition-base);
}

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

.btn-outline {
  background: transparent;
  color: var(--text-light);
  border: 1.5px solid rgba(255, 255, 255, 0.25);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.4);
  transform: translateY(-3px);
}

.btn-outline-dark {
  background: transparent;
  color: var(--gold-primary);
  border: 1.5px solid var(--border-gold);
}

.btn-outline-dark:hover {
  background: rgba(184, 146, 47, 0.06);
  border-color: var(--gold-primary);
  transform: translateY(-3px);
}

.btn i {
  font-size: 0.85em;
  transition: transform var(--transition-base);
}

.btn:hover i {
  transform: translateX(3px);
}

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

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

.about-content h2 {
  margin-bottom: 20px;
}

.about-content p {
  color: var(--text-secondary);
  margin-bottom: 16px;
  font-size: 1.02rem;
  line-height: 1.9;
}

.about-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 36px;
}

.about-feature {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 20px;
  background: var(--bg-secondary);
  border-radius: var(--border-radius);
  border: 1px solid var(--border-light);
  transition: all var(--transition-base);
}

.about-feature:hover {
  border-color: var(--border-gold);
  box-shadow: var(--shadow-gold);
  transform: translateY(-4px);
}

.about-feature-icon {
  width: 44px;
  height: 44px;
  min-width: 44px;
  background: linear-gradient(135deg, rgba(184, 146, 47, 0.1), rgba(184, 146, 47, 0.05));
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gold-primary);
  font-size: 1.1rem;
}

.about-feature h4 {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.about-feature p {
  font-size: 0.82rem !important;
  color: var(--text-muted) !important;
  margin-bottom: 0 !important;
  line-height: 1.5 !important;
}

/* About Stats */
.about-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.about-stat-card {
  background: var(--bg-secondary);
  border-radius: var(--border-radius-lg);
  padding: 36px 28px;
  text-align: center;
  border: 1px solid var(--border-light);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.about-stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gold-gradient);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.about-stat-card:hover {
  border-color: var(--border-gold);
  box-shadow: var(--shadow-gold);
  transform: translateY(-6px);
}

.about-stat-card:hover::before {
  opacity: 1;
}

.about-stat-icon {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, rgba(184, 146, 47, 0.12), rgba(184, 146, 47, 0.04));
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gold-primary);
  font-size: 1.3rem;
  margin: 0 auto 16px;
}

.about-stat-number {
  font-size: 2.8rem;
  font-weight: 800;
  background: var(--gold-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 8px;
}

.about-stat-label {
  font-size: 0.88rem;
  color: var(--text-muted);
  font-weight: 400;
}

/* ===================================================
   PRODUCTS SECTION
   =================================================== */
.products {
  background: var(--bg-secondary);
}

.product-filters {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 48px;
}

.product-filter-btn {
  padding: 10px 24px;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-secondary);
  border: 1.5px solid var(--border-light);
  border-radius: 100px;
  background: var(--bg-primary);
  transition: all var(--transition-base);
  cursor: pointer;
}

.product-filter-btn:hover {
  border-color: var(--border-gold);
  color: var(--gold-primary);
}

.product-filter-btn.active {
  background: var(--gold-gradient);
  color: white;
  border-color: transparent;
  box-shadow: var(--shadow-gold);
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.product-card {
  background: var(--bg-primary);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-light);
  transition: all var(--transition-base);
  position: relative;
}

.product-card:hover {
  border-color: var(--border-gold);
  box-shadow: var(--shadow-lg);
  transform: translateY(-8px);
}

.product-card-image {
  position: relative;
  width: 100%;
  height: 260px;
  overflow: hidden;
  background: var(--bg-tertiary);
}

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

.product-card:hover .product-card-image img {
  transform: scale(1.08);
}

.product-card-badge {
  position: absolute;
  top: 16px;
  left: 16px;
  padding: 6px 14px;
  background: var(--gold-gradient);
  color: white;
  font-size: 0.72rem;
  font-weight: 600;
  border-radius: 100px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.product-card-body {
  padding: 24px;
}

.product-card-body h3 {
  font-size: 1.15rem;
  margin-bottom: 8px;
  transition: color var(--transition-base);
}

.product-card:hover .product-card-body h3 {
  color: var(--gold-primary);
}

.product-card-body p {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 20px;
}

.product-card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--gold-primary);
  transition: gap var(--transition-base);
}

.product-card-link:hover {
  gap: 12px;
}

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

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 250px;
  gap: 20px;
}

.portfolio-item {
  position: relative;
  border-radius: var(--border-radius);
  overflow: hidden;
  cursor: pointer;
}

.portfolio-item.span-2 {
  grid-column: span 2;
}

.portfolio-item.span-row {
  grid-row: span 2;
}

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

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

.portfolio-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.7), transparent 60%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 24px;
  opacity: 0;
  transition: opacity var(--transition-base);
}

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

.portfolio-overlay h4 {
  color: var(--text-light);
  font-size: 1.1rem;
  margin-bottom: 4px;
}

.portfolio-overlay p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.82rem;
}

/* ===================================================
   SERVICES / PROCESS SECTION
   =================================================== */
.services {
  background: var(--bg-dark);
  color: var(--text-light);
}

.services .section-header h2 {
  color: var(--text-light);
}

.services .section-header p {
  color: rgba(255, 255, 255, 0.5);
}

.services .section-badge {
  background: rgba(184, 146, 47, 0.15);
  border-color: rgba(184, 146, 47, 0.3);
}

.process-timeline {
  display: flex;
  justify-content: space-between;
  position: relative;
  margin-top: 60px;
}

.process-timeline::before {
  content: '';
  position: absolute;
  top: 40px;
  left: 60px;
  right: 60px;
  height: 2px;
  background: linear-gradient(90deg, var(--gold-primary), var(--gold-light), var(--gold-primary));
  opacity: 0.3;
}

.process-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  flex: 1;
  position: relative;
  z-index: 1;
}

.process-step-number {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: rgba(184, 146, 47, 0.08);
  border: 2px solid rgba(184, 146, 47, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  transition: all var(--transition-base);
}

.process-step:hover .process-step-number {
  background: var(--gold-gradient);
  border-color: transparent;
  box-shadow: var(--shadow-gold-lg);
  transform: scale(1.1);
}

.process-step-number i {
  font-size: 1.5rem;
  color: var(--gold-light);
  transition: color var(--transition-base);
}

.process-step:hover .process-step-number i {
  color: white;
}

.process-step h4 {
  font-size: 1rem;
  color: var(--text-light);
  margin-bottom: 8px;
  font-weight: 600;
}

.process-step p {
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.4);
  max-width: 160px;
  line-height: 1.5;
}

/* ===================================================
   CLIENTS SECTION
   =================================================== */
.clients {
  background: var(--bg-secondary);
  overflow: hidden;
}

.clients-marquee-wrapper {
  overflow: hidden;
  margin-bottom: 60px;
  padding: 20px 0;
  mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
  -webkit-mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
}

.clients-marquee {
  display: flex;
  gap: 48px;
  animation: marquee 30s linear infinite;
  width: max-content;
}

.clients-marquee:hover {
  animation-play-state: paused;
}

@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.client-logo {
  height: 52px;
  opacity: 0.4;
  filter: grayscale(100%);
  transition: all var(--transition-base);
  flex-shrink: 0;
}

.client-logo:hover {
  opacity: 1;
  filter: grayscale(0%);
}

/* Testimonials */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.testimonial-card {
  background: var(--bg-primary);
  border-radius: var(--border-radius-lg);
  padding: 36px;
  border: 1px solid var(--border-light);
  transition: all var(--transition-base);
  position: relative;
}

.testimonial-card::before {
  content: '"';
  position: absolute;
  top: 20px;
  right: 28px;
  font-size: 5rem;
  font-family: Georgia, serif;
  background: var(--gold-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  opacity: 0.15;
  line-height: 1;
}

.testimonial-card:hover {
  border-color: var(--border-gold);
  box-shadow: var(--shadow-gold);
  transform: translateY(-6px);
}

.testimonial-stars {
  display: flex;
  gap: 4px;
  margin-bottom: 16px;
  color: var(--gold-light);
  font-size: 0.85rem;
}

.testimonial-text {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 24px;
  font-style: italic;
}

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

.testimonial-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--gold-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.1rem;
  font-weight: 700;
}

.testimonial-author-info h4 {
  font-size: 0.92rem;
  font-weight: 600;
}

.testimonial-author-info p {
  font-size: 0.78rem;
  color: var(--text-muted);
}

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

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
}

.contact-info h3 {
  font-size: 1.6rem;
  margin-bottom: 16px;
}

.contact-info > p {
  color: var(--text-secondary);
  margin-bottom: 36px;
  line-height: 1.8;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-bottom: 36px;
}

.contact-detail {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.contact-detail-icon {
  width: 48px;
  height: 48px;
  min-width: 48px;
  background: linear-gradient(135deg, rgba(184, 146, 47, 0.1), rgba(184, 146, 47, 0.04));
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gold-primary);
  font-size: 1.1rem;
}

.contact-detail-text h4 {
  font-size: 0.92rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.contact-detail-text p {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.contact-socials {
  display: flex;
  gap: 12px;
}

.contact-social-link {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  border: 1.5px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  font-size: 1.1rem;
  transition: all var(--transition-base);
}

.contact-social-link:hover {
  background: var(--gold-gradient);
  color: white;
  border-color: transparent;
  box-shadow: var(--shadow-gold);
  transform: translateY(-3px);
}

/* Contact Form */
.contact-form-wrapper {
  background: var(--bg-secondary);
  border-radius: var(--border-radius-lg);
  padding: 40px;
  border: 1px solid var(--border-light);
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 14px 18px;
  background: var(--bg-primary);
  border: 1.5px solid var(--border-light);
  border-radius: 12px;
  font-size: 0.92rem;
  color: var(--text-primary);
  transition: all var(--transition-base);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--gold-primary);
  box-shadow: 0 0 0 4px rgba(184, 146, 47, 0.08);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-muted);
}

.form-group textarea {
  resize: vertical;
  min-height: 130px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-submit {
  width: 100%;
  margin-top: 8px;
  justify-content: center;
}

/* ===================================================
   FOOTER
   =================================================== */
.footer {
  background: var(--bg-dark);
  color: rgba(255, 255, 255, 0.7);
  padding: 80px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 60px;
  padding-bottom: 60px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.footer-brand .nav-logo {
  margin-bottom: 20px;
}

.footer-brand .nav-logo-text .brand-name {
  color: var(--text-light);
}

.footer-brand .nav-logo-text .brand-sub {
  color: rgba(255, 255, 255, 0.4);
}

.footer-brand > p {
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.4);
  line-height: 1.8;
  margin-bottom: 24px;
  max-width: 320px;
}

.footer-col h4 {
  color: var(--text-light);
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 20px;
}

.footer-col a {
  display: block;
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.4);
  padding: 6px 0;
  transition: all var(--transition-base);
}

.footer-col a:hover {
  color: var(--gold-light);
  padding-left: 6px;
}

.footer-bottom {
  padding: 24px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-bottom p {
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.3);
}

.footer-bottom-links {
  display: flex;
  gap: 24px;
}

.footer-bottom-links a {
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.3);
  transition: color var(--transition-base);
}

.footer-bottom-links a:hover {
  color: var(--gold-light);
}

/* ===================================================
   ANIMATIONS — Scroll Reveal
   =================================================== */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.reveal-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal-left.revealed {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(40px);
  transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal-right.revealed {
  opacity: 1;
  transform: translateX(0);
}

.reveal-scale {
  opacity: 0;
  transform: scale(0.9);
  transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal-scale.revealed {
  opacity: 1;
  transform: scale(1);
}

/* Stagger children */
.stagger-children .reveal:nth-child(1) { transition-delay: 0.1s; }
.stagger-children .reveal:nth-child(2) { transition-delay: 0.2s; }
.stagger-children .reveal:nth-child(3) { transition-delay: 0.3s; }
.stagger-children .reveal:nth-child(4) { transition-delay: 0.4s; }
.stagger-children .reveal:nth-child(5) { transition-delay: 0.5s; }
.stagger-children .reveal:nth-child(6) { transition-delay: 0.6s; }

/* ===================================================
   RESPONSIVE DESIGN
   =================================================== */
@media (max-width: 1024px) {
  :root {
    --section-padding: 80px;
  }

  .hero .container {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-content {
    max-width: 100%;
  }

  .hero-description {
    max-width: 100%;
    margin-left: auto;
    margin-right: auto;
  }

  .hero-buttons {
    justify-content: center;
  }

  .hero-stats {
    justify-content: center;
  }

  .hero-visual {
    display: none;
  }

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

  .about-stats {
    order: -1;
  }

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

  .portfolio-grid {
    grid-template-columns: repeat(2, 1fr);
    grid-auto-rows: 220px;
  }

  .process-timeline {
    flex-wrap: wrap;
    gap: 36px;
    justify-content: center;
  }

  .process-timeline::before {
    display: none;
  }

  .process-step {
    flex: 0 0 calc(33.33% - 24px);
  }

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

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

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

@media (max-width: 768px) {
  :root {
    --section-padding: 64px;
    --nav-height: 70px;
  }

  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 360px;
    height: 100vh;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    justify-content: center;
    gap: 4px;
    padding: 24px;
    transition: right var(--transition-base);
    box-shadow: -10px 0 40px rgba(0, 0, 0, 0.1);
  }

  .nav-links.active {
    right: 0;
  }

  .nav-links a {
    color: var(--text-primary) !important;
    font-size: 1.05rem;
    padding: 14px 20px;
    width: 100%;
    border-radius: 12px;
  }

  .nav-links a:hover,
  .nav-links a.active {
    background: rgba(184, 146, 47, 0.06);
    color: var(--gold-primary) !important;
  }

  .nav-cta {
    margin-top: 12px;
  }

  .nav-hamburger {
    display: flex;
  }

  .hero h1 {
    font-size: clamp(1.8rem, 6vw, 2.6rem);
  }

  .hero-stats {
    flex-direction: column;
    gap: 20px;
    align-items: center;
  }

  .hero-stat {
    text-align: center;
  }

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

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

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

  .portfolio-grid {
    grid-template-columns: 1fr;
    grid-auto-rows: 200px;
  }

  .portfolio-item.span-2 {
    grid-column: span 1;
  }

  .process-step {
    flex: 0 0 calc(50% - 18px);
  }

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

  .form-row {
    grid-template-columns: 1fr;
  }

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

  .footer-bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }
}

@media (max-width: 480px) {
  :root {
    --section-padding: 48px;
  }

  .container {
    padding: 0 16px;
  }

  .section-header {
    margin-bottom: 40px;
  }

  .hero-badge {
    font-size: 0.72rem;
  }

  .about-stat-card {
    padding: 24px 16px;
  }

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

  .product-card-image {
    height: 200px;
  }

  .contact-form-wrapper {
    padding: 24px;
  }
}

/* ===================================================
   MOBILE OVERLAY
   =================================================== */
.nav-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}

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

/* ===================================================
   UTILITY — Preloader
   =================================================== */
.preloader {
  position: fixed;
  inset: 0;
  background: var(--bg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity 0.6s ease, visibility 0.6s ease;
}

.preloader.hidden {
  opacity: 0;
  visibility: hidden;
}

.preloader-logo {
  width: 60px;
  height: 60px;
  background: var(--gold-gradient);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  color: white;
  font-weight: 800;
  font-family: 'Inter', sans-serif;
  animation: preloader-pulse 1.2s ease-in-out infinite;
}

@keyframes preloader-pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.15); opacity: 0.7; }
}

/* ===================================================
   BACK TO TOP
   =================================================== */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 48px;
  height: 48px;
  background: var(--gold-gradient);
  color: white;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  box-shadow: var(--shadow-gold);
  z-index: 900;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all var(--transition-base);
  cursor: pointer;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  box-shadow: var(--shadow-gold-lg);
  transform: translateY(-4px);
}
