/* ==========================================================================
   FARSHAD - DIGITAL MARKETING PORTFOLIO
   Color Palette: Deep Forest Green (#081712, #0D261E), Pure White, Metallic Gold (#D4AF37, #F5DE88)
   Modern, Clean, Minimal, High-Converting, Fully Responsive
   ========================================================================== */

/* --- Custom Variables & Themes --- */
:root {
  /* Brand Dark Green Palette */
  --bg-primary: #071712;
  --bg-secondary: #0D241C;
  --bg-tertiary: #14362B;
  --bg-card: rgba(13, 36, 28, 0.75);
  --bg-card-hover: rgba(20, 54, 43, 0.95);
  --bg-glass: rgba(13, 36, 28, 0.65);
  
  /* Borders */
  --border-subtle: rgba(212, 175, 55, 0.16);
  --border-medium: rgba(212, 175, 55, 0.35);
  --border-green: rgba(16, 185, 129, 0.25);
  
  /* Metallic Gold Accents */
  --gold-primary: #D4AF37;
  --gold-light: #F7E599;
  --gold-dark: #9A7B1C;
  --gold-glow: rgba(212, 175, 55, 0.28);
  --gold-gradient: linear-gradient(135deg, #F8E7A0 0%, #D4AF37 50%, #A07F1E 100%);
  --gold-gradient-hover: linear-gradient(135deg, #FFFFFF 0%, #F5DE88 50%, #D4AF37 100%);

  /* Emerald Green Growth Accents */
  --emerald-accent: #10B981;
  --emerald-glow: rgba(16, 185, 129, 0.2);

  /* Typography Colors */
  --text-main: #FFFFFF;
  --text-muted: #A3C2B6;
  --text-light: #E1EFEA;
  --text-dim: #6E9184;

  /* Typography Font Families */
  --font-heading: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;

  /* Layout & Elevations */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;
  --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.25);
  --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.35);
  --shadow-gold: 0 0 25px rgba(212, 175, 55, 0.22);
  --transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  --container-max: 1240px;
}

/* Light Mode Overrides (Optional user toggle while respecting Dark Green + White + Gold harmony) */
[data-theme="light"] {
  --bg-primary: #F8FAF8;
  --bg-secondary: #EDF3EF;
  --bg-tertiary: #E0EBE4;
  --bg-card: rgba(255, 255, 255, 0.9);
  --bg-card-hover: #FFFFFF;
  --bg-glass: rgba(255, 255, 255, 0.85);

  --border-subtle: rgba(13, 38, 30, 0.12);
  --border-medium: rgba(212, 175, 55, 0.45);
  --border-green: rgba(16, 185, 129, 0.4);

  --text-main: #081D15;
  --text-muted: #385E50;
  --text-light: #16362A;
  --text-dim: #5C7B70;

  --shadow-sm: 0 4px 16px rgba(8, 29, 21, 0.08);
  --shadow-md: 0 12px 35px rgba(8, 29, 21, 0.12);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  text-size-adjust: 100%;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-light);
  font-family: var(--font-body);
  line-height: 1.65;
  overflow-x: hidden;
  position: relative;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background-color 0.4s ease, color 0.4s ease;
}

/* Ambient Radial Glow in Background */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 90vw;
  height: 600px;
  background: radial-gradient(circle at 50% 10%, rgba(212, 175, 55, 0.09) 0%, rgba(16, 185, 129, 0.05) 45%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

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

ul {
  list-style: none;
}

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

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
  border: none;
  outline: none;
}

button {
  cursor: pointer;
}

/* --- Layout Utility Classes --- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.5rem;
  position: relative;
  z-index: 1;
}

.section {
  padding: 6.5rem 0;
  position: relative;
}

@media (max-width: 768px) {
  .section {
    padding: 4.5rem 0;
  }
}

/* --- Typography Utilities --- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--text-main);
  font-weight: 700;
  line-height: 1.25;
}

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

.emerald-text {
  color: var(--emerald-accent);
}

.section-header {
  text-align: center;
  max-width: 740px;
  margin: 0 auto 3.8rem;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold-primary);
  background: rgba(212, 175, 55, 0.1);
  border: 1px solid var(--border-medium);
  padding: 0.4rem 1rem;
  border-radius: var(--radius-full);
  margin-bottom: 1rem;
}

.section-tag .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: var(--gold-primary);
  box-shadow: 0 0 8px var(--gold-primary);
  animation: pulseDot 2s infinite ease-in-out;
}

@keyframes pulseDot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.75); }
}

.section-title {
  font-size: clamp(2rem, 3.8vw, 2.75rem);
  letter-spacing: -0.02em;
  margin-bottom: 1.1rem;
}

.section-desc {
  font-size: 1.08rem;
  color: var(--text-muted);
  line-height: 1.65;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.85rem 1.85rem;
  border-radius: var(--radius-full);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  text-align: center;
  white-space: nowrap;
}

.btn-primary {
  background: var(--gold-gradient);
  color: #071812;
  font-weight: 700;
  box-shadow: 0 4px 18px rgba(212, 175, 55, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-primary:hover {
  background: var(--gold-gradient-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(212, 175, 55, 0.5);
  color: #040e0b;
}

.btn-secondary {
  background: rgba(13, 36, 28, 0.6);
  color: var(--text-main);
  border: 1px solid var(--border-medium);
  backdrop-filter: blur(8px);
}

.btn-secondary:hover {
  background: rgba(20, 54, 43, 0.8);
  border-color: var(--gold-primary);
  color: var(--gold-light);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 0.55rem 1.2rem;
  font-size: 0.85rem;
}

.btn-lg {
  padding: 1.05rem 2.2rem;
  font-size: 1.02rem;
}

.btn-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

/* --- Navigation Bar --- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 82px;
  z-index: 1000;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
}

.navbar.scrolled {
  height: 72px;
  background: rgba(7, 23, 18, 0.88);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-subtle);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

[data-theme="light"] .navbar.scrolled {
  background: rgba(248, 250, 248, 0.92);
  border-bottom: 1px solid var(--border-subtle);
}

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

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.brand-logo {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-tertiary);
  border: 1px solid var(--gold-primary);
  box-shadow: 0 0 12px var(--gold-glow);
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--gold-primary);
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-name {
  font-size: 1.3rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text-main);
}

.brand-name span {
  color: var(--gold-primary);
}

.brand-subtitle {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--emerald-accent);
}

/* Nav Menu Links */
.nav-links {
  display: flex;
  align-items: center;
  gap: 1.8rem;
}

.nav-link {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-muted);
  position: relative;
  padding: 0.4rem 0;
}

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gold-gradient);
  transition: width 0.3s ease;
  border-radius: 2px;
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Theme Toggle Button */
.theme-toggle-btn {
  background: var(--bg-card);
  border: 1px solid var(--border-medium);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gold-primary);
  transition: var(--transition);
}

.theme-toggle-btn:hover {
  background: var(--bg-tertiary);
  transform: rotate(20deg);
}

/* Mobile Nav Toggle */
.mobile-nav-toggle {
  display: none;
  background: transparent;
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
  color: var(--text-main);
  font-size: 1.4rem;
  align-items: center;
  justify-content: center;
}

/* Mobile Drawer */
.mobile-menu-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(5px);
  z-index: 1050;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.mobile-menu-overlay.active {
  display: block;
  opacity: 1;
}

.mobile-menu-drawer {
  position: fixed;
  top: 0;
  right: -320px;
  width: 300px;
  height: 100vh;
  background: var(--bg-primary);
  border-left: 1px solid var(--border-medium);
  z-index: 1100;
  padding: 2rem 1.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: right 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: -10px 0 30px rgba(0, 0, 0, 0.5);
}

.mobile-menu-drawer.active {
  right: 0;
}

.mobile-drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-subtle);
}

.mobile-nav-links {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.mobile-nav-link {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.5rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.mobile-nav-link:hover, .mobile-nav-link.active {
  color: var(--gold-light);
  padding-left: 0.5rem;
}

/* --- Hero Section --- */
.hero-section {
  padding-top: 10.5rem;
  padding-bottom: 6rem;
  position: relative;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 3.5rem;
}

.hero-content {
  position: relative;
  z-index: 2;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gold-primary);
  background: rgba(212, 175, 55, 0.1);
  border: 1px solid var(--border-medium);
  padding: 0.45rem 1.1rem;
  border-radius: var(--radius-full);
  margin-bottom: 1.5rem;
}

.hero-badge .live-dot {
  width: 8px;
  height: 8px;
  background-color: var(--emerald-accent);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--emerald-accent);
  animation: pulseDot 1.8s infinite;
}

.hero-title {
  font-size: clamp(2.3rem, 4.4vw, 3.6rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 1.4rem;
}

.hero-description {
  font-size: 1.14rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 2.2rem;
  max-width: 600px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  margin-bottom: 3.2rem;
  flex-wrap: wrap;
}

/* Trust Metric Highlights in Hero */
.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  padding-top: 1.8rem;
  border-top: 1px solid var(--border-subtle);
}

.stat-item {
  display: flex;
  flex-direction: column;
}

.stat-value {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--text-main);
  letter-spacing: -0.02em;
}

.stat-value span {
  color: var(--gold-primary);
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 500;
  line-height: 1.3;
}

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

.hero-image-wrapper {
  position: relative;
  width: 100%;
  max-width: 460px;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5), 0 0 35px var(--gold-glow);
  border: 1px solid var(--border-medium);
  background: var(--bg-secondary);
}

.hero-image-wrapper img {
  width: 100%;
  height: auto;
  display: block;
  transform: scale(1.01);
  transition: transform 0.5s ease;
}

.hero-image-wrapper:hover img {
  transform: scale(1.04);
}

/* Floating Status Chips on Hero Visual */
.hero-chip {
  position: absolute;
  background: rgba(11, 32, 25, 0.92);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-medium);
  padding: 0.75rem 1.1rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  z-index: 5;
  animation: floatChip 4s infinite ease-in-out;
}

.hero-chip-top {
  top: 6%;
  right: -5%;
  animation-delay: 0s;
}

.hero-chip-bottom {
  bottom: 8%;
  left: -8%;
  animation-delay: 2s;
}

@keyframes floatChip {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.chip-icon {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-medium);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gold-primary);
  font-size: 1.1rem;
}

.chip-text h4 {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--text-main);
}

.chip-text p {
  font-size: 0.74rem;
  color: var(--emerald-accent);
  font-weight: 600;
}

/* --- About Section --- */
.about-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 4rem;
  align-items: center;
}

.about-card-banner {
  background: linear-gradient(145deg, var(--bg-secondary), var(--bg-tertiary));
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-xl);
  padding: 2.5rem;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.about-card-banner::before {
  content: '';
  position: absolute;
  top: -50px;
  right: -50px;
  width: 180px;
  height: 180px;
  background: var(--gold-glow);
  filter: blur(50px);
  border-radius: 50%;
}

.about-experience-badge {
  display: inline-flex;
  flex-direction: column;
  background: var(--bg-primary);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-lg);
  padding: 1.4rem 1.8rem;
  margin-bottom: 2rem;
  box-shadow: var(--shadow-gold);
}

.exp-number {
  font-family: var(--font-heading);
  font-size: 2.8rem;
  font-weight: 900;
  line-height: 1;
  background: var(--gold-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.exp-text {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-light);
  margin-top: 0.4rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.about-pillars {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.2rem;
}

.pillar-item {
  background: rgba(7, 23, 18, 0.6);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.1rem;
}

.pillar-item h5 {
  font-size: 0.95rem;
  color: var(--gold-light);
  margin-bottom: 0.35rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.pillar-item p {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.about-content h3 {
  font-size: 2rem;
  margin-bottom: 1.2rem;
  letter-spacing: -0.01em;
}

.about-bio {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.75;
  margin-bottom: 1.4rem;
}

.about-features-list {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  margin-bottom: 2.2rem;
}

.about-feature {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.95rem;
  color: var(--text-light);
}

.about-feature i {
  color: var(--gold-primary);
  margin-top: 0.2rem;
  font-size: 1.1rem;
}

/* --- Skills Section --- */
.skills-tabs {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 3rem;
}

.tab-btn {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  padding: 0.65rem 1.4rem;
  border-radius: var(--radius-full);
  font-size: 0.9rem;
  font-weight: 600;
  transition: var(--transition);
}

.tab-btn:hover {
  border-color: var(--border-medium);
  color: var(--text-main);
}

.tab-btn.active {
  background: var(--gold-gradient);
  color: #071712;
  font-weight: 700;
  border-color: transparent;
  box-shadow: 0 4px 15px rgba(212, 175, 55, 0.3);
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.8rem;
}

.skill-category-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: var(--transition);
  backdrop-filter: blur(10px);
}

.skill-category-card:hover {
  border-color: var(--border-medium);
  transform: translateY(-4px);
  box-shadow: var(--shadow-gold);
  background: var(--bg-card-hover);
}

.skill-card-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.6rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-subtle);
}

.skill-icon-wrapper {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: rgba(212, 175, 55, 0.12);
  border: 1px solid var(--border-medium);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gold-primary);
  font-size: 1.35rem;
}

.skill-card-header h4 {
  font-size: 1.2rem;
  color: var(--text-main);
}

.skill-items-list {
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}

.skill-item-info {
  display: flex;
  justify-content: space-between;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-light);
  margin-bottom: 0.35rem;
}

.skill-item-info span:last-child {
  color: var(--gold-primary);
}

.skill-bar-track {
  width: 100%;
  height: 7px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-full);
  overflow: hidden;
  position: relative;
}

.skill-bar-fill {
  height: 100%;
  background: var(--gold-gradient);
  border-radius: var(--radius-full);
  transition: width 1.2s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 0 10px rgba(212, 175, 55, 0.4);
}

/* Marketing Tools Carousel / Grid */
.tools-stack-wrapper {
  margin-top: 4rem;
  text-align: center;
}

.tools-stack-title {
  font-size: 1.1rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--gold-primary);
  margin-bottom: 1.8rem;
}

.tools-chips-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.85rem;
}

.tool-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  padding: 0.55rem 1.2rem;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-light);
  transition: var(--transition);
}

.tool-chip:hover {
  border-color: var(--gold-primary);
  color: var(--gold-light);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.tool-chip i {
  color: var(--emerald-accent);
}

/* --- Services Section --- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 2rem;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 2.5rem 2.2rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(10px);
}

.service-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--gold-gradient);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}

.service-card:hover {
  border-color: var(--border-medium);
  transform: translateY(-6px);
  background: var(--bg-card-hover);
  box-shadow: var(--shadow-gold), var(--shadow-md);
}

.service-card:hover::after {
  transform: scaleX(1);
}

.service-icon-box {
  width: 58px;
  height: 58px;
  border-radius: var(--radius-md);
  background: rgba(212, 175, 55, 0.12);
  border: 1px solid var(--border-medium);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gold-primary);
  font-size: 1.6rem;
  margin-bottom: 1.6rem;
  transition: var(--transition);
}

.service-card:hover .service-icon-box {
  background: var(--gold-gradient);
  color: #071712;
  transform: scale(1.08) rotate(3deg);
}

.service-card h3 {
  font-size: 1.35rem;
  margin-bottom: 0.85rem;
  color: var(--text-main);
}

.service-card p {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 1.6rem;
}

.service-deliverables {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  margin-bottom: 2rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-subtle);
}

.service-deliverables li {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.85rem;
  color: var(--text-light);
}

.service-deliverables li i {
  color: var(--emerald-accent);
  font-size: 0.9rem;
}

.service-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1.2rem;
  border-top: 1px solid var(--border-subtle);
}

.service-impact {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--emerald-accent);
}

.service-link {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--gold-primary);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.service-link:hover {
  color: var(--gold-light);
  gap: 0.7rem;
}

/* --- Portfolio / Case Studies Section --- */
.portfolio-filters {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 3.2rem;
}

.filter-btn {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  padding: 0.65rem 1.4rem;
  border-radius: var(--radius-full);
  font-size: 0.88rem;
  font-weight: 600;
  transition: var(--transition);
}

.filter-btn:hover {
  border-color: var(--border-medium);
  color: var(--text-main);
}

.filter-btn.active {
  background: var(--gold-gradient);
  color: #071712;
  font-weight: 700;
  border-color: transparent;
  box-shadow: 0 4px 15px rgba(212, 175, 55, 0.3);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
  gap: 2.2rem;
}

.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.project-card:hover {
  border-color: var(--border-medium);
  transform: translateY(-8px);
  box-shadow: var(--shadow-md), var(--shadow-gold);
}

.project-card.hidden {
  display: none;
}

.project-media {
  position: relative;
  width: 100%;
  height: 230px;
  overflow: hidden;
  background: var(--bg-secondary);
}

.project-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.project-card:hover .project-media img {
  transform: scale(1.06);
}

.project-category-badge {
  position: absolute;
  top: 1rem;
  left: 1rem;
  background: rgba(7, 23, 18, 0.85);
  border: 1px solid var(--border-medium);
  backdrop-filter: blur(8px);
  color: var(--gold-primary);
  font-size: 0.76rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-full);
}

.project-result-tag {
  position: absolute;
  bottom: 1rem;
  right: 1rem;
  background: rgba(16, 185, 129, 0.95);
  color: #04140D;
  font-size: 0.78rem;
  font-weight: 800;
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-full);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
}

.project-body {
  padding: 1.8rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.project-client {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--gold-primary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.4rem;
}

.project-title {
  font-size: 1.25rem;
  margin-bottom: 0.8rem;
  color: var(--text-main);
  line-height: 1.35;
}

.project-snippet {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 1.4rem;
  flex-grow: 1;
}

.project-metrics-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.6rem;
  background: rgba(7, 23, 18, 0.5);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 0.85rem 0.6rem;
  margin-bottom: 1.4rem;
  text-align: center;
}

.p-metric-val {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--text-main);
}

.p-metric-val.gold {
  color: var(--gold-primary);
}

.p-metric-val.emerald {
  color: var(--emerald-accent);
}

.p-metric-lbl {
  font-size: 0.72rem;
  color: var(--text-muted);
  font-weight: 600;
  margin-top: 0.2rem;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-bottom: 1.5rem;
}

.p-tag {
  font-size: 0.72rem;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-subtle);
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-sm);
  color: var(--text-light);
}

.project-card-footer {
  border-top: 1px solid var(--border-subtle);
  padding-top: 1.2rem;
}

.project-modal-btn {
  width: 100%;
  background: transparent;
  border: 1px solid var(--border-medium);
  color: var(--gold-light);
  padding: 0.65rem;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.88rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: var(--transition);
}

.project-modal-btn:hover {
  background: var(--gold-gradient);
  color: #071712;
  border-color: transparent;
  font-weight: 700;
}

/* --- Certifications Section --- */
.cert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.8rem;
}

.cert-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.8rem;
  display: flex;
  gap: 1.2rem;
  align-items: flex-start;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

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

.cert-badge-icon {
  width: 54px;
  height: 54px;
  flex-shrink: 0;
  border-radius: 12px;
  background: rgba(212, 175, 55, 0.12);
  border: 1px solid var(--border-medium);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gold-primary);
  font-size: 1.6rem;
}

.cert-info h4 {
  font-size: 1.1rem;
  color: var(--text-main);
  margin-bottom: 0.35rem;
}

.cert-issuer {
  font-size: 0.85rem;
  color: var(--gold-light);
  font-weight: 600;
  margin-bottom: 0.35rem;
}

.cert-meta {
  font-size: 0.78rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 0.8rem;
  margin-bottom: 0.75rem;
}

.cert-verify-link {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--emerald-accent);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.cert-verify-link:hover {
  text-decoration: underline;
}

/* --- Experience / Career Timeline --- */
.timeline-wrapper {
  max-width: 860px;
  margin: 0 auto;
  position: relative;
}

.timeline-wrapper::before {
  content: '';
  position: absolute;
  top: 15px;
  bottom: 15px;
  left: 28px;
  width: 2px;
  background: linear-gradient(180deg, var(--gold-primary), var(--emerald-accent), var(--border-subtle));
}

@media (max-width: 768px) {
  .timeline-wrapper::before {
    left: 20px;
  }
}

.timeline-item {
  position: relative;
  padding-left: 70px;
  margin-bottom: 3.2rem;
}

@media (max-width: 768px) {
  .timeline-item {
    padding-left: 55px;
    margin-bottom: 2.5rem;
  }
}

.timeline-marker {
  position: absolute;
  left: 18px;
  top: 0;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--bg-primary);
  border: 3px solid var(--gold-primary);
  box-shadow: 0 0 14px var(--gold-glow);
  z-index: 2;
}

@media (max-width: 768px) {
  .timeline-marker {
    left: 10px;
    width: 20px;
    height: 20px;
  }
}

.timeline-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.8rem;
  transition: var(--transition);
}

.timeline-card:hover {
  border-color: var(--border-medium);
  box-shadow: var(--shadow-sm);
  background: var(--bg-card-hover);
}

.timeline-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.6rem;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.timeline-role {
  font-size: 1.25rem;
  color: var(--text-main);
}

.timeline-period {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--gold-primary);
  background: rgba(212, 175, 55, 0.1);
  border: 1px solid var(--border-medium);
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
}

.timeline-company {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--emerald-accent);
  margin-bottom: 1rem;
}

.timeline-desc {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 1.2rem;
}

.timeline-achievements {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.timeline-achievements li {
  font-size: 0.86rem;
  color: var(--text-light);
  display: flex;
  align-items: flex-start;
  gap: 0.55rem;
}

.timeline-achievements li i {
  color: var(--gold-primary);
  margin-top: 0.2rem;
}

/* --- Interactive ROI / Growth Calculator --- */
.calculator-card {
  background: linear-gradient(135deg, var(--bg-secondary) 0%, #071712 100%);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-xl);
  padding: 3.5rem;
  box-shadow: var(--shadow-md), var(--shadow-gold);
  position: relative;
  overflow: hidden;
}

@media (max-width: 768px) {
  .calculator-card {
    padding: 2rem 1.4rem;
  }
}

.calc-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.5rem;
  align-items: center;
}

@media (max-width: 900px) {
  .calc-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
}

.calc-inputs {
  display: flex;
  flex-direction: column;
  gap: 1.8rem;
}

.calc-field label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-light);
  margin-bottom: 0.75rem;
}

.calc-val-badge {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--gold-primary);
  background: var(--bg-tertiary);
  padding: 0.2rem 0.75rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-medium);
}

.calc-range {
  width: 100%;
  height: 8px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.12);
  outline: none;
  -webkit-appearance: none;
  cursor: pointer;
}

.calc-range::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--gold-gradient);
  border: 2px solid #071712;
  box-shadow: 0 0 10px var(--gold-primary);
  cursor: pointer;
  transition: transform 0.1s ease;
}

.calc-range::-webkit-slider-thumb:hover {
  transform: scale(1.2);
}

.calc-output-box {
  background: rgba(7, 23, 18, 0.85);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-lg);
  padding: 2.2rem;
  text-align: center;
  position: relative;
  backdrop-filter: blur(10px);
}

.calc-output-label {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.calc-revenue-result {
  font-family: var(--font-heading);
  font-size: clamp(2.4rem, 4vw, 3.4rem);
  font-weight: 900;
  background: var(--gold-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1.1;
  margin-bottom: 0.8rem;
}

.calc-sub-metrics {
  display: flex;
  justify-content: space-around;
  padding-top: 1.4rem;
  margin-top: 1.4rem;
  border-top: 1px solid var(--border-subtle);
}

.calc-sub-item span {
  display: block;
  font-size: 0.75rem;
  color: var(--text-muted);
}

.calc-sub-item strong {
  font-size: 1.15rem;
  color: var(--emerald-accent);
}

/* --- Testimonials Section --- */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.testimonial-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 2.4rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: var(--transition);
  position: relative;
}

.testimonial-card:hover {
  border-color: var(--border-medium);
  transform: translateY(-5px);
  box-shadow: var(--shadow-gold);
  background: var(--bg-card-hover);
}

.quote-icon {
  font-size: 2.2rem;
  color: var(--gold-primary);
  opacity: 0.4;
  margin-bottom: 1rem;
}

.rating-stars {
  display: flex;
  gap: 0.3rem;
  color: var(--gold-primary);
  font-size: 0.95rem;
  margin-bottom: 1.2rem;
}

.testimonial-text {
  font-size: 0.96rem;
  color: var(--text-light);
  line-height: 1.7;
  font-style: italic;
  margin-bottom: 2rem;
  flex-grow: 1;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding-top: 1.2rem;
  border-top: 1px solid var(--border-subtle);
}

.author-avatar {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  border: 2px solid var(--gold-primary);
  background: var(--bg-tertiary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: var(--gold-light);
  font-size: 1.1rem;
}

.author-meta h5 {
  font-size: 1rem;
  color: var(--text-main);
}

.author-meta p {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.verified-roi-pill {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--emerald-accent);
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid var(--border-green);
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-full);
  margin-top: 0.25rem;
}

/* --- Contact & Consultation Section --- */
.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 3.5rem;
}

@media (max-width: 900px) {
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
}

.contact-info-panel {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.contact-info-panel h3 {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.contact-info-panel p {
  font-size: 1.02rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 2.2rem;
}

.contact-channels-list {
  display: flex;
  flex-direction: column;
  gap: 1.4rem;
  margin-bottom: 2.5rem;
}

.channel-item {
  display: flex;
  align-items: center;
  gap: 1.1rem;
}

.channel-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 1px solid var(--border-medium);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gold-primary);
  font-size: 1.25rem;
  transition: var(--transition);
  flex-shrink: 0;
}

.channel-item:hover .channel-icon {
  background: var(--gold-gradient);
  color: #071712;
  transform: scale(1.08);
}

.channel-content span {
  display: block;
  font-size: 0.78rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.channel-content a, .channel-content strong {
  font-size: 1.02rem;
  color: var(--text-main);
  font-weight: 600;
}

.channel-content a:hover {
  color: var(--gold-light);
}

.social-links-row {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.social-btn {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-light);
  font-size: 1.1rem;
  transition: var(--transition);
}

.social-btn:hover {
  border-color: var(--gold-primary);
  color: var(--gold-light);
  transform: translateY(-3px);
  background: var(--bg-tertiary);
}

/* Contact Form Styling */
.contact-form-card {
  background: var(--bg-card);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-xl);
  padding: 2.8rem;
  box-shadow: var(--shadow-md);
  backdrop-filter: blur(12px);
}

@media (max-width: 600px) {
  .contact-form-card {
    padding: 1.8rem 1.2rem;
  }
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.3rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.2rem;
}

@media (max-width: 600px) {
  .form-row {
    grid-template-columns: 1fr;
  }
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.form-group label {
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--text-light);
}

.form-group label span {
  color: var(--gold-primary);
}

.form-input, .form-select, .form-textarea {
  background: rgba(7, 23, 18, 0.7);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 0.85rem 1.1rem;
  color: var(--text-main);
  font-size: 0.95rem;
  transition: var(--transition);
}

[data-theme="light"] .form-input,
[data-theme="light"] .form-select,
[data-theme="light"] .form-textarea {
  background: #FFFFFF;
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--gold-primary);
  box-shadow: 0 0 12px var(--gold-glow);
  background: rgba(7, 23, 18, 0.95);
}

[data-theme="light"] .form-input:focus,
[data-theme="light"] .form-select:focus,
[data-theme="light"] .form-textarea:focus {
  background: #FFFFFF;
}

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

/* FAQ Accordion */
.faq-wrapper {
  max-width: 860px;
  margin: 5rem auto 0;
}

.faq-header {
  text-align: center;
  margin-bottom: 2.5rem;
}

.faq-title {
  font-size: 1.8rem;
  margin-bottom: 0.5rem;
}

.accordion-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.accordion-item {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
}

.accordion-item.active {
  border-color: var(--border-medium);
  box-shadow: var(--shadow-sm);
}

.accordion-trigger {
  width: 100%;
  padding: 1.25rem 1.6rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: transparent;
  color: var(--text-main);
  font-size: 1.02rem;
  font-weight: 600;
  text-align: left;
  transition: var(--transition);
}

.accordion-trigger:hover {
  color: var(--gold-light);
}

.accordion-icon {
  font-size: 1.1rem;
  color: var(--gold-primary);
  transition: transform 0.3s ease;
}

.accordion-item.active .accordion-icon {
  transform: rotate(180deg);
}

.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.accordion-body {
  padding: 0 1.6rem 1.4rem;
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* --- Footer --- */
.footer {
  background: #040D0A;
  border-top: 1px solid var(--border-subtle);
  padding: 4.5rem 0 2rem;
  position: relative;
}

[data-theme="light"] .footer {
  background: #E8EFEA;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 0.8fr 1fr;
  gap: 3rem;
  margin-bottom: 3.5rem;
}

@media (max-width: 900px) {
  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
  }
}

@media (max-width: 600px) {
  .footer-top {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

.footer-brand-col p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin: 1rem 0 1.5rem;
  max-width: 320px;
}

.footer-col h5 {
  font-size: 1rem;
  color: var(--text-main);
  margin-bottom: 1.2rem;
  position: relative;
}

.footer-col h5::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 25px;
  height: 2px;
  background: var(--gold-primary);
}

.footer-links-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-links-list a {
  font-size: 0.88rem;
  color: var(--text-muted);
  transition: var(--transition);
}

.footer-links-list a:hover {
  color: var(--gold-light);
  transform: translateX(4px);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.84rem;
  color: var(--text-dim);
  flex-wrap: wrap;
  gap: 1rem;
}

/* Back to Top Floating Button */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--gold-gradient);
  color: #071712;
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
  font-weight: 800;
  box-shadow: 0 4px 15px rgba(212, 175, 55, 0.4);
  cursor: pointer;
  z-index: 99;
  opacity: 0;
  pointer-events: none;
  transform: translateY(15px);
  transition: var(--transition);
}

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

.back-to-top:hover {
  transform: translateY(-4px) scale(1.08);
  box-shadow: 0 8px 25px rgba(212, 175, 55, 0.6);
}

/* --- Modals --- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(4, 13, 10, 0.85);
  backdrop-filter: blur(10px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-container {
  background: var(--bg-secondary);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-xl);
  max-width: 780px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  padding: 2.8rem;
  position: relative;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.8), var(--shadow-gold);
  transform: translateY(20px) scale(0.97);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-overlay.active .modal-container {
  transform: translateY(0) scale(1);
}

.modal-close-btn {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border-subtle);
  width: 38px;
  height: 38px;
  border-radius: 50%;
  color: var(--text-main);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  cursor: pointer;
  transition: var(--transition);
}

.modal-close-btn:hover {
  background: var(--gold-primary);
  color: #071712;
  transform: rotate(90deg);
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3000;
  pointer-events: none;
}

.toast {
  background: #0E2920;
  border: 1px solid var(--gold-primary);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5), 0 0 20px var(--gold-glow);
  color: #FFFFFF;
  padding: 1rem 1.8rem;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  gap: 0.8rem;
  font-weight: 600;
  font-size: 0.95rem;
  opacity: 0;
  transform: translateY(20px);
  transition: var(--transition);
}

.toast.show {
  opacity: 1;
  transform: translateY(0);
}

.toast i {
  color: var(--emerald-accent);
  font-size: 1.25rem;
}

/* Responsive adjustments */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }

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

  .hero-description {
    max-width: 650px;
  }

  .hero-stats {
    width: 100%;
    max-width: 600px;
  }

  .hero-chip-top {
    right: 2%;
  }

  .hero-chip-bottom {
    left: 2%;
  }

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

@media (max-width: 768px) {
  .nav-links, .nav-actions .btn {
    display: none;
  }

  .mobile-nav-toggle {
    display: flex;
  }

  .hero-stats {
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
  }

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