/* ==========================================================================
   DIGITALLY KOLKATA - OFFICIAL BRAND DESIGN SYSTEM
   Source: https://digitallykolkata.online/
   Aesthetics: Deep Obsidian Black, Warm Signature Marigold Gold (#FDB840 / #E4C82D),
   Industrial Border Accents (#3D3D3D), and Manrope Typography
   ========================================================================== */

:root {
  /* Brand Color Course from Digitally Kolkata */
  --bg-dark: #1A1A1A;
  --bg-gradient: linear-gradient(297deg, #1A1A1A 40%, #0F373D 100%);
  --bg-teal-header: #0B3C43;
  --bg-card: rgba(0, 0, 0, 0.65);
  --bg-card-hover: rgba(0, 0, 0, 0.85);
  --bg-surface: #1A1A1A;
  --bg-elevated: #222222;

  /* Signature Warm Gold / Marigold Accent from digitallykolkata.online */
  --primary: #FDB840;
  --primary-hover: #EEB21B;
  --primary-dark: #D9981E;
  --primary-glow: rgba(253, 184, 64, 0.35);

  --accent-gold: #E4C82D;
  --accent-yellow-border: #F9FA23;
  --accent-secondary: #34E08E;
  --accent-petrol: #0B3C43;

  --accent-gradient: linear-gradient(135deg, #FDB840 0%, #EEB21B 50%, #E4C82D 100%);
  --gold-glow-subtle: 0 0 25px rgba(253, 184, 64, 0.2);

  /* Text Tokens */
  --text-main: #FFFFFF;
  --text-secondary: #FAFAFA;
  --text-muted: #D1D5DB;
  --text-dim: #9CA3AF;
  --text-gold: #FDB840;

  /* Borders & Dividers */
  --border-subtle: #3D3D3D;
  --border-medium: #474747;
  --border-card: #3D3D3D;
  --border-gold: rgba(253, 184, 64, 0.45);
  --border-gold-solid: #FDB840;

  --glass-bg: #0B3C43;
  --glass-blur: blur(16px);
  --glass-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);

  /* Typography */
  --font-heading: 'Manrope', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'Manrope', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* Layout */
  --container-max: 1220px;
  --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-smooth: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  --border-radius-sm: 8px;
  --border-radius-md: 16px;
  --border-radius-lg: 24px;
  --border-radius-full: 9999px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background: #1A1A1A;
  color: var(--text-main);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

body {
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
  background-color: transparent;
  background-image: linear-gradient(297deg, #1A1A1A 40%, #0F373D 100%);
  background-attachment: fixed;
}

/* Ambient Background Mesh */
.ambient-glow {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.ambient-circle-1 {
  position: absolute;
  top: -120px;
  left: 15%;
  width: 550px;
  height: 550px;
  background: radial-gradient(circle, rgba(253, 184, 64, 0.12), transparent 70%);
  filter: blur(90px);
  animation: floatGoldOrb 20s ease-in-out infinite alternate;
}

.ambient-circle-2 {
  position: absolute;
  top: 45%;
  right: -80px;
  width: 520px;
  height: 520px;
  background: radial-gradient(circle, rgba(11, 60, 67, 0.35), transparent 70%);
  filter: blur(100px);
  animation: floatGoldOrb 24s ease-in-out infinite alternate-reverse;
}

@keyframes floatGoldOrb {
  0% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(30px, -25px) scale(1.06); }
  100% { transform: translate(-25px, 35px) scale(0.96); }
}

/* Typography Utilities */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--text-main);
  line-height: 1.25;
  font-weight: 800;
  letter-spacing: -0.02em;
}

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

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

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
  position: relative;
  z-index: 1;
}

/* Gradient & Color Classes */
.gold-text {
  color: var(--primary);
}

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

/* Slashed Pattern Divider (Original Digitally Kolkata Signature) */
.brand-divider {
  width: 100%;
  height: 5px;
  background: repeating-linear-gradient(
    45deg,
    var(--primary),
    var(--primary) 8px,
    transparent 8px,
    transparent 16px
  );
  margin: 30px 0;
  opacity: 0.9;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 28px;
  font-size: 0.9rem;
  font-weight: 800;
  font-family: var(--font-heading);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  border-radius: 10px;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all var(--transition-smooth);
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background: #00000099;
  color: #FFFFFF;
  border: 2px solid #F9FA23;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
}

.btn-primary:hover {
  background: #EEB21B;
  color: #000000;
  border-color: #EEB21B;
  transform: translateY(-2px);
  box-shadow: 0px 0px 26px 12px rgba(0, 0, 0, 0.5);
}

.btn-secondary {
  background: rgba(0, 0, 0, 0.5);
  color: var(--text-main);
  border: 2px solid var(--border-medium);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: #FDB840;
  border-color: #FDB840;
  color: #000000;
  transform: translateY(-2px);
}

.btn-sm {
  padding: 10px 18px;
  font-size: 0.8rem;
}

.arrow-icon {
  width: 16px;
  height: 16px;
  transition: transform var(--transition-fast);
}

.btn:hover .arrow-icon {
  transform: translate(2px, -2px);
}

/* Badge */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  font-size: 0.84rem;
  font-weight: 700;
  border-radius: var(--border-radius-full);
  background: rgba(253, 184, 64, 0.12);
  border: 1px solid rgba(253, 184, 64, 0.35);
  color: var(--primary);
}

.badge-pulse {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--primary);
  box-shadow: 0 0 10px var(--primary);
  animation: pulseDot 2s infinite;
}

@keyframes pulseDot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.35; transform: scale(0.8); }
}

/* ==========================================================================
   NAVIGATION BAR (Original Header Style: #0B3C43 background, #474747 border)
   ========================================================================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 16px 0;
  background: #0B3C43;
  border-bottom: 4px solid #474747;
  transition: all var(--transition-smooth);
}

.navbar.scrolled {
  padding: 12px 0;
  background: rgba(11, 60, 67, 0.95);
  backdrop-filter: var(--glass-blur);
  border-bottom: 4px solid #474747;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.6);
}

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

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.35rem;
  color: var(--text-main);
}

.brand-logo-img {
  width: 44px;
  height: 44px;
  border-radius: 8px;
  object-fit: cover;
  border: 1px solid var(--border-gold);
}

.brand-logo-text {
  font-weight: 800;
  letter-spacing: -0.02em;
}

.brand-logo-text span {
  color: var(--primary);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-link {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text-muted);
  position: relative;
  padding: 6px 0;
}

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

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

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

.nav-cta {
  display: flex;
  align-items: center;
  gap: 12px;
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-main);
  font-size: 1.6rem;
  cursor: pointer;
  padding: 4px;
}

/* ==========================================================================
   HERO SECTION (Matching Original Digitally Kolkata Structure)
   ========================================================================== */
.hero {
  padding-top: 150px;
  padding-bottom: 80px;
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 50px;
  align-items: center;
}

.hero-subheading {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 12px;
}

.hero-title {
  font-size: clamp(2.3rem, 4.4vw, 3.8rem);
  font-weight: 900;
  line-height: 1.12;
  margin-bottom: 22px;
  color: #FFFFFF;
}

.hero-title .highlight {
  color: var(--primary);
}

.hero-desc {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 34px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.hero-media-wrap {
  position: relative;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  border: 2px solid var(--border-medium);
  box-shadow: 0 25px 60px -15px rgba(0, 0, 0, 0.85), var(--gold-glow-subtle);
  background: #000;
}

.hero-media-wrap::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--border-radius-lg);
  border: 1px solid rgba(253, 184, 64, 0.25);
  pointer-events: none;
}

.hero-gif {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  padding: 24px 28px;
  border-radius: var(--border-radius-md);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-top: 3px solid var(--primary);
  margin-top: 40px;
}

.metric-item {
  text-align: center;
}

.metric-val {
  font-size: 2.1rem;
  font-weight: 900;
  color: var(--primary);
  margin-bottom: 2px;
}

.metric-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 700;
}

/* ==========================================================================
   MARQUEE SECTION
   ========================================================================== */
.marquee-section {
  padding: 24px 0;
  border-top: 2px solid var(--border-medium);
  border-bottom: 2px solid var(--border-medium);
  background: rgba(14, 18, 25, 0.7);
  overflow: hidden;
}

.marquee-title {
  text-align: center;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--primary);
  margin-bottom: 16px;
  font-weight: 800;
}

.marquee-track {
  display: flex;
  gap: 50px;
  width: max-content;
  animation: scrollMarquee 35s linear infinite;
}

.marquee-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-muted);
  opacity: 0.8;
  transition: opacity var(--transition-fast);
}

.marquee-item:hover {
  opacity: 1;
  color: var(--primary);
}

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

/* ==========================================================================
   SERVICES SECTION (With Original Digitally Kolkata 3D Graphics)
   ========================================================================== */
.section {
  padding: 90px 0;
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 50px;
}

.section-tag {
  display: inline-block;
  font-size: 0.82rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--primary);
  margin-bottom: 10px;
}

.section-title {
  font-size: clamp(2rem, 3.4vw, 2.8rem);
  margin-bottom: 14px;
}

.section-desc {
  font-size: 1.02rem;
  color: var(--text-muted);
}

/* Services Stacks List (Mirroring Original Stack Layout & Wallpaper) */
#services {
  background-image: url("assets/naruto-minimalist-black-wallpaper.png");
  background-position: center center;
  background-repeat: repeat;
  background-size: auto;
  position: relative;
}

#services::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(26, 26, 26, 0.88);
  pointer-events: none;
}

.services-stacks {
  display: flex;
  flex-direction: column;
  gap: 32px;
  position: relative;
  z-index: 2;
}

.service-stack-card {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  align-items: center;
  gap: 40px;
  background: rgba(0, 0, 0, 0.72);
  backdrop-filter: blur(10px);
  border: 2px solid #3D3D3D;
  border-radius: 50px;
  padding: 44px 50px;
  transition: all var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.service-stack-card:hover {
  border-color: #FDB840;
  transform: translateY(-4px);
  box-shadow: 0 20px 40px -10px rgba(0, 0, 0, 0.8), var(--gold-glow-subtle);
}

.service-stack-card.reverse {
  grid-template-columns: 1fr 1.2fr;
}

.service-stack-card.reverse .service-stack-info {
  order: 2;
}

.service-stack-card.reverse .service-graphic-wrap {
  order: 1;
}

.service-stack-number {
  font-size: 0.85rem;
  font-weight: 800;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 8px;
}

.service-stack-title {
  font-size: 2rem;
  margin-bottom: 12px;
  color: #FFFFFF;
}

.service-stack-text {
  font-size: 1.05rem;
  color: var(--primary);
  font-weight: 600;
  margin-bottom: 18px;
}

.service-bullets {
  list-style: none;
  margin-bottom: 24px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px 16px;
}

.service-bullets li {
  font-size: 0.92rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 8px;
}

.service-bullets li span.bullet-dash {
  color: var(--primary);
  font-weight: 900;
}

.service-graphic-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  padding: 20px;
}

.service-graphic {
  max-width: 280px;
  max-height: 280px;
  object-fit: contain;
  filter: drop-shadow(0 15px 30px rgba(0, 0, 0, 0.6));
  transition: transform var(--transition-smooth);
}

.service-stack-card:hover .service-graphic {
  transform: scale(1.05) translateY(-4px);
}

/* ==========================================================================
   PHILOSOPHY CALLOUT (Original Digitally Kolkata Quote)
   ========================================================================== */
.philosophy-banner {
  margin: 50px 0;
  padding: 60px 50px;
  background: linear-gradient(135deg, rgba(14, 18, 25, 0.95), rgba(11, 60, 67, 0.35));
  border: 2px solid var(--border-medium);
  border-top: 4px solid var(--primary);
  border-radius: var(--border-radius-lg);
  text-align: center;
}

.philosophy-quote {
  font-size: clamp(1.25rem, 2.3vw, 1.85rem);
  font-weight: 800;
  line-height: 1.45;
  color: #FFFFFF;
  max-width: 960px;
  margin: 0 auto 24px;
}

.philosophy-quote span.gold {
  color: var(--primary);
}

/* ==========================================================================
   PORTFOLIO SHOWCASE
   ========================================================================== */
.portfolio-filters {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.filter-btn {
  padding: 9px 22px;
  border-radius: var(--border-radius-full);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-medium);
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 700;
  font-family: var(--font-heading);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-btn:hover, .filter-btn.active {
  background: var(--primary);
  color: #000;
  border-color: var(--primary);
  box-shadow: 0 4px 15px var(--primary-glow);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}

.portfolio-card {
  background: var(--bg-card);
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--border-medium);
  overflow: hidden;
  transition: all var(--transition-smooth);
  cursor: pointer;
}

.portfolio-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-gold);
  box-shadow: 0 20px 40px -10px rgba(0, 0, 0, 0.8), var(--gold-glow-subtle);
}

.portfolio-img-wrap {
  position: relative;
  height: 240px;
  overflow: hidden;
  background: #090e11;
  display: flex;
  align-items: center;
  justify-content: center;
}

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

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

.portfolio-visual {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3.5rem;
  background: linear-gradient(135deg, rgba(253, 184, 64, 0.12), rgba(11, 60, 67, 0.25));
  transition: transform var(--transition-smooth);
}

.portfolio-card:hover .portfolio-visual {
  transform: scale(1.05);
}

.portfolio-tag-badge {
  position: absolute;
  top: 14px;
  right: 14px;
  padding: 4px 12px;
  background: rgba(8, 10, 15, 0.9);
  backdrop-filter: blur(8px);
  border-radius: var(--border-radius-full);
  font-size: 0.75rem;
  font-weight: 800;
  color: var(--primary);
  border: 1px solid var(--border-subtle);
}

.portfolio-content {
  padding: 24px;
}

.portfolio-title {
  font-size: 1.25rem;
  margin-bottom: 8px;
  color: #FFFFFF;
}

.portfolio-desc {
  font-size: 0.92rem;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.portfolio-stats {
  display: flex;
  gap: 16px;
  font-size: 0.84rem;
  color: var(--text-dim);
  border-top: 1px solid var(--border-subtle);
  padding-top: 12px;
}

.portfolio-stats span strong {
  color: var(--primary);
}

/* ==========================================================================
   INTERACTIVE COST ESTIMATOR
   ========================================================================== */
.estimator-card {
  background: var(--bg-card);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border-medium);
  border-top: 3px solid var(--primary);
  border-radius: var(--border-radius-lg);
  padding: 44px;
  max-width: 900px;
  margin: 0 auto;
  box-shadow: var(--glass-shadow);
}

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

.estimator-options {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.option-group-label {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.checkbox-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.check-card {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  font-size: 0.88rem;
  user-select: none;
}

.check-card:hover {
  background: rgba(255, 255, 255, 0.07);
}

.check-card input[type="checkbox"] {
  accent-color: var(--primary);
  width: 16px;
  height: 16px;
}

.check-card.checked {
  background: rgba(253, 184, 64, 0.15);
  border-color: var(--primary);
  color: #fff;
}

.slider-container {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.slider-labels {
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.range-slider {
  width: 100%;
  accent-color: var(--primary);
  cursor: pointer;
}

.estimator-result {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--border-radius-md);
  padding: 30px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  text-align: center;
}

.result-tag {
  font-size: 0.8rem;
  text-transform: uppercase;
  color: var(--primary);
  font-weight: 800;
  letter-spacing: 0.1em;
}

.result-price-wrap {
  margin: 20px 0;
}

.result-price {
  font-size: 2.8rem;
  font-weight: 900;
  color: var(--primary);
}

.result-timeline {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 24px;
}

/* ==========================================================================
   CONTACT SECTION
   ========================================================================== */
.contact-container {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 50px;
  align-items: start;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.info-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.info-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(253, 184, 64, 0.12);
  border: 1px solid var(--border-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  color: var(--primary);
  flex-shrink: 0;
}

.info-label {
  font-size: 0.8rem;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 700;
}

.info-val {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-main);
  margin-top: 2px;
}

.contact-form-card {
  background: var(--bg-card);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border-medium);
  border-top: 3px solid var(--primary);
  border-radius: var(--border-radius-lg);
  padding: 40px;
  box-shadow: var(--glass-shadow);
}

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

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 8px;
}

.form-input, .form-textarea, .form-select {
  width: 100%;
  padding: 13px 16px;
  background: rgba(14, 18, 25, 0.85);
  border: 1px solid var(--border-subtle);
  border-radius: var(--border-radius-sm);
  color: var(--text-main);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: all var(--transition-fast);
}

.form-input:focus, .form-textarea:focus, .form-select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(253, 184, 64, 0.25);
  background: rgba(20, 25, 35, 0.95);
}

.form-textarea {
  resize: vertical;
  min-height: 110px;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.footer {
  border-top: 5px solid #474747;
  padding: 70px 0 30px;
  background: #0B3C43;
  position: relative;
  z-index: 1;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 50px;
}

.footer-brand-desc {
  color: var(--text-muted);
  font-size: 0.92rem;
  margin: 16px 0 24px;
  max-width: 320px;
}

.footer-col-title {
  font-size: 1rem;
  font-weight: 800;
  margin-bottom: 20px;
  color: #FFFFFF;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-link {
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 600;
}

.footer-link:hover {
  color: var(--primary);
  padding-left: 4px;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 26px;
  border-top: 1px solid var(--border-subtle);
  font-size: 0.85rem;
  color: var(--text-dim);
}

/* Modal */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(12px);
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-overlay.active {
  display: flex;
}

.modal-content {
  background: var(--bg-surface);
  border: 1px solid var(--border-gold);
  border-radius: var(--border-radius-lg);
  max-width: 650px;
  width: 100%;
  padding: 36px;
  position: relative;
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.9), var(--gold-glow-subtle);
  animation: modalIn 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modalIn {
  from { opacity: 0; transform: scale(0.95); }
  to { opacity: 1; transform: scale(1); }
}

.modal-close {
  position: absolute;
  top: 20px;
  right: 20px;
  background: none;
  border: none;
  color: var(--text-dim);
  font-size: 1.5rem;
  cursor: pointer;
}

.modal-close:hover {
  color: var(--primary);
}

/* Toast Notification */
.toast-notice {
  position: fixed;
  bottom: 24px;
  right: 24px;
  padding: 16px 24px;
  background: var(--bg-surface);
  border: 1px solid var(--primary);
  border-radius: var(--border-radius-md);
  color: #fff;
  font-size: 0.92rem;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.8), var(--gold-glow-subtle);
  z-index: 3000;
  display: flex;
  align-items: center;
  gap: 12px;
  transform: translateY(100px);
  opacity: 0;
  transition: all var(--transition-smooth);
}

.toast-notice.visible {
  transform: translateY(0);
  opacity: 1;
}

/* Responsive Adjustments */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero-actions {
    justify-content: center;
  }
  .service-stack-card, .service-stack-card.reverse {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .service-bullets {
    justify-items: center;
  }
  .portfolio-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .estimator-grid {
    grid-template-columns: 1fr;
  }
  .contact-container {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  body {
    padding-bottom: 70px; /* Room for sticky mobile bottom bar */
  }

  .section {
    padding: 60px 0;
  }

  .nav-links {
    display: none;
    position: fixed;
    top: 70px;
    left: 0;
    width: 100%;
    background: rgba(11, 25, 29, 0.98);
    backdrop-filter: blur(20px);
    border-bottom: 2px solid var(--border-medium);
    flex-direction: column;
    padding: 24px;
    gap: 18px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.8);
    z-index: 1000;
  }

  .nav-links.active {
    display: flex;
    animation: fadeInDown 0.25s ease forwards;
  }

  @keyframes fadeInDown {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
  }

  .mobile-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid var(--border-medium);
    border-radius: 8px;
    color: #fff;
    font-size: 1.3rem;
  }

  .nav-cta .btn-sm {
    display: none;
  }

  .hero-title {
    font-size: clamp(2rem, 8vw, 2.8rem);
  }

  .hero-tagline {
    font-size: 1rem;
  }

  .hero-actions {
    flex-direction: column;
    width: 100%;
  }

  .hero-actions .btn {
    width: 100%;
    justify-content: center;
  }

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

  .metric-card {
    padding: 16px 12px;
  }

  .metric-num {
    font-size: 1.8rem;
  }

  .service-stack-card {
    padding: 24px 18px;
  }

  .service-graphic {
    max-width: 220px;
    max-height: 220px;
  }

  .service-bullets {
    grid-template-columns: 1fr;
  }

  .portfolio-filters {
    gap: 8px;
  }

  .filter-btn {
    padding: 8px 16px;
    font-size: 0.82rem;
  }

  .portfolio-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .portfolio-img-wrap {
    height: 200px;
  }

  .calculator-card {
    padding: 24px 18px;
  }

  .services-check-grid {
    grid-template-columns: 1fr;
  }

  .quote-summary-box {
    padding: 20px 16px;
  }

  .quote-price {
    font-size: 2.2rem;
  }

  .contact-wrapper {
    padding: 24px 18px;
  }

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

  .footer-bottom {
    flex-direction: column;
    gap: 14px;
    text-align: center;
  }
}

/* ==========================================================================
   FOUNDER SHOWCASE CARD (About Section)
   ========================================================================== */
.founder-card {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 36px;
  background: var(--bg-card);
  border: 1px solid var(--border-medium);
  border-radius: var(--border-radius-lg);
  padding: 36px;
  margin-top: 40px;
  align-items: center;
}

.founder-img-wrap {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  border: 2px solid var(--primary);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.7);
}

.founder-img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  display: block;
}

.founder-badge {
  position: absolute;
  bottom: 12px;
  left: 12px;
  right: 12px;
  background: rgba(11, 25, 29, 0.9);
  backdrop-filter: blur(8px);
  padding: 6px 12px;
  border-radius: 8px;
  font-size: 0.78rem;
  color: var(--primary);
  font-weight: 700;
  text-align: center;
  border: 1px solid var(--border-subtle);
}

.founder-info h3 {
  font-size: 1.8rem;
  color: #fff;
  margin-bottom: 4px;
}

.founder-title {
  font-size: 0.92rem;
  color: var(--primary);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 16px;
}

.founder-bio {
  color: var(--text-muted);
  line-height: 1.7;
  font-size: 0.96rem;
  margin-bottom: 20px;
}

.founder-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
}

.founder-tag {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  padding: 4px 12px;
  border-radius: var(--border-radius-full);
  font-size: 0.78rem;
  color: #fff;
  font-weight: 600;
}

.founder-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

@media (max-width: 768px) {
  .founder-card {
    grid-template-columns: 1fr;
    padding: 24px 18px;
    text-align: center;
  }
  .founder-img-wrap {
    max-width: 200px;
    margin: 0 auto;
  }
  .founder-tags {
    justify-content: center;
  }
  .founder-actions {
    justify-content: center;
  }
}

/* ==========================================================================
   STICKY MOBILE BOTTOM QUICK BAR
   ========================================================================== */
.mobile-bottom-bar {
  display: none;
}

@media (max-width: 768px) {
  .mobile-bottom-bar {
    display: flex;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: 60px;
    background: rgba(9, 14, 17, 0.96);
    backdrop-filter: blur(16px);
    border-top: 1px solid var(--border-medium);
    z-index: 2500;
    padding: 8px 14px;
    gap: 10px;
    align-items: center;
    box-shadow: 0 -10px 25px rgba(0, 0, 0, 0.6);
  }

  .mobile-btn-wa {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: #25D366;
    color: #0A1C1F;
    font-weight: 800;
    font-size: 0.88rem;
    padding: 10px;
    border-radius: 8px;
    text-decoration: none;
  }

  .mobile-btn-quote {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: linear-gradient(135deg, var(--primary) 0%, #E4C82D 100%);
    color: #0A1C1F;
    font-weight: 800;
    font-size: 0.88rem;
    padding: 10px;
    border-radius: 8px;
    text-decoration: none;
  }
}