/* ============================================================
   WebForge TN — Agency Landing Page
   Apple Liquid Glass / Glassmorphism Dark Theme
   Production-ready, mobile-first responsive
   ============================================================ */

/* ---- Custom Properties ---- */
:root {
  --wf-accent: #3b82f6;
  --wf-accent-light: #60a5fa;
  --wf-accent-dark: #2563eb;
  --wf-accent-glow: rgba(59, 130, 246, 0.15);
  --wf-bg: #06060e;
  --wf-bg-section: #0a0a14;
  --wf-bg-glass: rgba(15, 15, 30, 0.6);
  --wf-bg-glass-hover: rgba(20, 20, 40, 0.8);
  --wf-border: rgba(255, 255, 255, 0.06);
  --wf-border-glow: rgba(59, 130, 246, 0.15);
  --wf-text: #e4e4ec;
  --wf-text-muted: #8888a0;
  --wf-text-dim: #55556a;
  --wf-white: #ffffff;
  --wf-success: #22c55e;
  --wf-danger: #ef4444;
  --wf-radius: 16px;
  --wf-radius-sm: 10px;
  --wf-radius-pill: 100px;
  --wf-blur: blur(12px);
  --wf-blur-heavy: blur(20px);
  --wf-transition: 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--wf-bg);
  color: var(--wf-text);
  line-height: 1.7;
  font-size: 16px;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

/* ---- Typography ---- */
h1, h2, h3, h4, h5, h6 {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  line-height: 1.2;
  color: var(--wf-white);
}

/* ---- Utility ---- */
.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
}

.accent {
  color: var(--wf-accent-light);
}

.gradient-text {
  background: linear-gradient(135deg, var(--wf-accent-light), var(--wf-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

a {
  color: var(--wf-accent-light);
  text-decoration: none;
  transition: color var(--wf-transition);
}

a:hover {
  color: var(--wf-white);
}

/* ---- Particle Canvas ---- */
#particle-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}

/* ============================================================
   GLASS CARD — Signature Element
   ============================================================ */
.glass-card {
  background: var(--wf-bg-glass);
  backdrop-filter: var(--wf-blur);
  -webkit-backdrop-filter: var(--wf-blur);
  border: 1px solid var(--wf-border);
  border-radius: var(--wf-radius);
  transition: all var(--wf-transition);
}

.glass-card:hover {
  background: var(--wf-bg-glass-hover);
  border-color: var(--wf-border-glow);
  transform: translateY(-4px);
  box-shadow: 0 8px 32px rgba(59, 130, 246, 0.1),
              0 0 0 1px var(--wf-border-glow);
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-block;
  padding: 14px 32px;
  border-radius: var(--wf-radius-sm);
  font-weight: 600;
  font-size: 15px;
  text-decoration: none;
  transition: all var(--wf-transition);
  cursor: pointer;
  border: none;
  font-family: inherit;
  letter-spacing: 0.2px;
  position: relative;
}

.btn-primary {
  background: var(--wf-accent);
  color: var(--wf-white);
  box-shadow: 0 0 0 0 rgba(59, 130, 246, 0.4);
  animation: pulse 3s ease-in-out infinite;
}

.btn-primary:hover {
  background: var(--wf-accent-dark);
  color: var(--wf-white);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(59, 130, 246, 0.35);
  animation: none;
}

.btn-glass {
  background: var(--wf-bg-glass);
  backdrop-filter: var(--wf-blur);
  -webkit-backdrop-filter: var(--wf-blur);
  color: var(--wf-text);
  border: 1px solid var(--wf-border);
}

.btn-glass:hover {
  border-color: var(--wf-border-glow);
  color: var(--wf-accent-light);
  box-shadow: 0 0 20px rgba(59, 130, 246, 0.08);
}

.btn-ghost {
  background: var(--wf-bg-glass);
  backdrop-filter: var(--wf-blur);
  -webkit-backdrop-filter: var(--wf-blur);
  color: var(--wf-text);
  border: 1px solid var(--wf-border);
}

.btn-ghost:hover {
  border-color: var(--wf-accent);
  color: var(--wf-accent-light);
  box-shadow: 0 0 20px rgba(59, 130, 246, 0.08);
}

.btn-outline {
  background: transparent;
  color: var(--wf-accent-light);
  border: 1px solid var(--wf-accent);
}

.btn-outline:hover {
  background: var(--wf-accent);
  color: var(--wf-white);
  box-shadow: 0 8px 24px rgba(59, 130, 246, 0.25);
  transform: translateY(-1px);
}

.btn-nav {
  padding: 10px 24px;
  background: var(--wf-accent);
  color: var(--wf-white);
  border-radius: var(--wf-radius-sm);
  font-size: 14px;
}

.btn-nav:hover {
  background: var(--wf-accent-dark);
  color: var(--wf-white);
  box-shadow: 0 4px 16px rgba(59, 130, 246, 0.3);
}

.btn-full {
  width: 100%;
  text-align: center;
}

/* Pulse Animation */
@keyframes pulse {
  0%, 100% {
    box-shadow: 0 0 0 0 rgba(59, 130, 246, 0.4);
  }
  50% {
    box-shadow: 0 0 20px 4px rgba(59, 130, 246, 0.15);
  }
}

/* ============================================================
   NAV — Frosted Glass Fixed Header
   ============================================================ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(6, 6, 14, 0.75);
  backdrop-filter: var(--wf-blur-heavy);
  -webkit-backdrop-filter: var(--wf-blur-heavy);
  border-bottom: 1px solid var(--wf-border);
  transition: background 0.4s ease, box-shadow 0.4s ease;
}

.nav-inner {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 21px;
  color: var(--wf-white);
  text-decoration: none;
}

.nav-brand:hover {
  color: var(--wf-white);
}

.brand-icon {
  font-size: 26px;
  color: var(--wf-accent-light);
  filter: drop-shadow(0 0 8px rgba(59, 130, 246, 0.3));
}

.brand-text {
  letter-spacing: -0.3px;
}

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

.nav-links a {
  color: var(--wf-text-muted);
  font-size: 14px;
  font-weight: 500;
  transition: color var(--wf-transition);
  position: relative;
}

.nav-links a:not(.btn)::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--wf-accent);
  border-radius: 1px;
  transition: width var(--wf-transition);
}

.nav-links a:not(.btn):hover::after {
  width: 100%;
}

.nav-links a:hover {
  color: var(--wf-white);
}

/* Hamburger Toggle */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  flex-direction: column;
  gap: 6px;
  z-index: 1001;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--wf-text);
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease;
  transform-origin: center;
}

/* X animation for active hamburger */
.nav-toggle.active span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

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

.nav-toggle.active span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* ============================================================
   HERO — Full Viewport with Radial Glow
   ============================================================ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 120px 24px 80px;
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% 0%, rgba(59, 130, 246, 0.1) 0%, transparent 60%),
    radial-gradient(ellipse 50% 50% at 80% 50%, rgba(59, 130, 246, 0.05) 0%, transparent 40%),
    radial-gradient(ellipse 40% 40% at 20% 60%, rgba(59, 130, 246, 0.03) 0%, transparent 50%);
  z-index: -1;
}

.hero-content {
  position: relative;
  max-width: 740px;
  z-index: 2;
}

.hero-badge {
  display: inline-block;
  padding: 8px 20px;
  background: var(--wf-accent-glow);
  backdrop-filter: var(--wf-blur);
  -webkit-backdrop-filter: var(--wf-blur);
  border: 1px solid rgba(59, 130, 246, 0.2);
  border-radius: var(--wf-radius-pill);
  font-size: 13px;
  font-weight: 500;
  color: var(--wf-accent-light);
  margin-bottom: 28px;
  letter-spacing: 0.5px;
}

.hero h1 {
  font-size: clamp(36px, 6vw, 60px);
  line-height: 1.1;
  margin-bottom: 24px;
  letter-spacing: -0.5px;
}

.hero-sub {
  font-size: 18px;
  color: var(--wf-text-muted);
  margin-bottom: 40px;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.8;
}

.hero-sub strong {
  color: var(--wf-white);
}

.hero-cta {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 56px;
}

/* Trust Stats Bar */
.hero-trust {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
  background: var(--wf-bg-glass);
  backdrop-filter: var(--wf-blur);
  -webkit-backdrop-filter: var(--wf-blur);
  border: 1px solid var(--wf-border);
  border-radius: var(--wf-radius);
  padding: 24px 40px;
  margin: 0 auto;
  max-width: 520px;
}

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

.trust-number {
  display: block;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 30px;
  font-weight: 700;
  color: var(--wf-white);
  line-height: 1.2;
}

.trust-label {
  font-size: 11px;
  color: var(--wf-text-muted);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-top: 2px;
}

.trust-divider {
  width: 1px;
  height: 40px;
  background: var(--wf-border);
}

/* ============================================================
   MARQUEE — Scrolling Text Strip
   ============================================================ */
.marquee {
  overflow: hidden;
  position: relative;
  padding: 16px 0;
  background: var(--wf-bg-section);
  border-top: 1px solid var(--wf-border);
  border-bottom: 1px solid var(--wf-border);
}

.marquee::before,
.marquee::after {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  width: 120px;
  z-index: 2;
  pointer-events: none;
}

.marquee::before {
  left: 0;
  background: linear-gradient(90deg, var(--wf-bg-section), transparent);
}

.marquee::after {
  right: 0;
  background: linear-gradient(270deg, var(--wf-bg-section), transparent);
}

.marquee-track {
  display: flex;
  gap: 48px;
  white-space: nowrap;
  animation: marquee-scroll 30s linear infinite;
  will-change: transform;
}

.marquee-track span {
  font-size: 14px;
  font-weight: 500;
  color: var(--wf-text-dim);
  text-transform: uppercase;
  letter-spacing: 2px;
}

@keyframes marquee-scroll {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-50%);
  }
}

/* ============================================================
   SECTIONS — Layout & Headers
   ============================================================ */
.section {
  padding: 110px 0;
  position: relative;
  z-index: 1;
}

.section-dark {
  background: var(--wf-bg);
}

.section-alt {
  background: var(--wf-bg-section);
}

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-label {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  color: var(--wf-accent-light);
  text-transform: uppercase;
  letter-spacing: 2.5px;
  margin-bottom: 14px;
}

.section-header h2 {
  font-size: clamp(28px, 4vw, 42px);
  margin-bottom: 16px;
  letter-spacing: -0.3px;
}

.section-line {
  width: 48px;
  height: 3px;
  background: linear-gradient(90deg, var(--wf-accent), var(--wf-accent-light));
  margin: 0 auto 20px;
  border-radius: 2px;
}

.section-header p {
  color: var(--wf-text-muted);
  max-width: 520px;
  margin: 0 auto;
  font-size: 16px;
  line-height: 1.7;
}

/* ============================================================
   PROBLEM CARDS
   ============================================================ */
.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.problem-card {
  background: var(--wf-bg-glass);
  backdrop-filter: var(--wf-blur);
  -webkit-backdrop-filter: var(--wf-blur);
  border: 1px solid var(--wf-border);
  border-radius: var(--wf-radius);
  padding: 36px 28px;
  text-align: center;
  transition: all var(--wf-transition);
}

.problem-card:hover {
  border-color: rgba(239, 68, 68, 0.2);
  background: var(--wf-bg-glass-hover);
  transform: translateY(-2px);
}

.problem-icon {
  font-size: 32px;
  color: var(--wf-danger);
  margin-bottom: 18px;
  filter: drop-shadow(0 0 10px rgba(239, 68, 68, 0.2));
}

.problem-card h3 {
  font-size: 20px;
  margin-bottom: 12px;
}

.problem-card p {
  color: var(--wf-text-muted);
  font-size: 14px;
  line-height: 1.7;
}

/* ============================================================
   SERVICE CARDS
   ============================================================ */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--wf-bg-glass);
  backdrop-filter: var(--wf-blur);
  -webkit-backdrop-filter: var(--wf-blur);
  border: 1px solid var(--wf-border);
  border-radius: var(--wf-radius);
  padding: 36px 28px;
  transition: all var(--wf-transition);
}

.service-card:hover {
  border-color: var(--wf-border-glow);
  background: var(--wf-bg-glass-hover);
  transform: translateY(-4px);
  box-shadow: 0 8px 32px rgba(59, 130, 246, 0.08),
              0 0 0 1px var(--wf-border-glow);
}

.service-icon {
  font-size: 36px;
  margin-bottom: 18px;
  display: block;
  filter: drop-shadow(0 0 6px rgba(59, 130, 246, 0.15));
}

.service-card h3 {
  font-size: 18px;
  margin-bottom: 10px;
}

.service-card p {
  color: var(--wf-text-muted);
  font-size: 14px;
  line-height: 1.7;
}

/* ============================================================
   PORTFOLIO
   ============================================================ */

/* Filter Buttons */
.portfolio-filters {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 8px 20px;
  background: var(--wf-bg-glass);
  backdrop-filter: var(--wf-blur);
  -webkit-backdrop-filter: var(--wf-blur);
  border: 1px solid var(--wf-border);
  border-radius: var(--wf-radius-pill);
  color: var(--wf-text-muted);
  font-size: 13px;
  font-weight: 500;
  font-family: inherit;
  cursor: pointer;
  transition: all var(--wf-transition);
}

.filter-btn:hover {
  border-color: var(--wf-border-glow);
  color: var(--wf-white);
}

.filter-btn.active {
  background: var(--wf-accent);
  border-color: var(--wf-accent);
  color: var(--wf-white);
}

/* Portfolio Grid */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-bottom: 48px;
}

.portfolio-card {
  background: var(--wf-bg-glass);
  backdrop-filter: var(--wf-blur);
  -webkit-backdrop-filter: var(--wf-blur);
  border: 1px solid var(--wf-border);
  border-radius: var(--wf-radius);
  overflow: hidden;
  transition: all var(--wf-transition);
  cursor: pointer;
}

.portfolio-card:hover {
  border-color: var(--wf-border-glow);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(59, 130, 246, 0.1);
}

.portfolio-img {
  height: 220px;
  position: relative;
  display: flex;
  align-items: flex-end;
  padding: 16px;
  overflow: hidden;
  background: var(--wf-bg-section);
}

.portfolio-img img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
  transition: transform 0.5s ease;
  will-change: transform;
}

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

.portfolio-badge {
  position: relative;
  z-index: 2;
  background: rgba(6, 6, 14, 0.7);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  padding: 5px 14px;
  border-radius: var(--wf-radius-pill);
  font-size: 12px;
  color: var(--wf-accent-light);
  font-weight: 500;
  border: 1px solid rgba(59, 130, 246, 0.15);
}

.portfolio-info {
  padding: 22px 24px;
}

.portfolio-info h3 {
  font-size: 18px;
  margin-bottom: 6px;
}

.portfolio-info p {
  color: var(--wf-text-muted);
  font-size: 14px;
  line-height: 1.6;
}

.portfolio-cta {
  text-align: center;
}

.portfolio-cta p {
  color: var(--wf-text-muted);
  margin-bottom: 18px;
  font-size: 18px;
}

.portfolio-cta strong {
  color: var(--wf-white);
}

/* ============================================================
   PRICING
   ============================================================ */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 60px;
  align-items: start;
}

.pricing-card {
  background: var(--wf-bg-glass);
  backdrop-filter: var(--wf-blur);
  -webkit-backdrop-filter: var(--wf-blur);
  border: 1px solid var(--wf-border);
  border-radius: var(--wf-radius);
  padding: 40px 28px;
  text-align: center;
  position: relative;
  transition: all var(--wf-transition);
}

.pricing-card:hover {
  border-color: var(--wf-border-glow);
  transform: translateY(-4px);
  box-shadow: 0 8px 32px rgba(59, 130, 246, 0.08);
}

/* Featured / Popular Pricing Card */
.pricing-popular,
.pricing-featured {
  border-color: var(--wf-accent);
  transform: scale(1.03);
  background: linear-gradient(180deg, rgba(59, 130, 246, 0.08) 0%, var(--wf-bg-glass) 100%);
  box-shadow: 0 0 30px rgba(59, 130, 246, 0.1);
}

.pricing-popular:hover,
.pricing-featured:hover {
  border-color: var(--wf-accent-light);
  transform: scale(1.03) translateY(-4px);
  box-shadow: 0 12px 40px rgba(59, 130, 246, 0.15);
}

.pricing-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--wf-accent), var(--wf-accent-dark));
  color: var(--wf-white);
  font-size: 12px;
  font-weight: 600;
  padding: 5px 20px;
  border-radius: var(--wf-radius-pill);
  white-space: nowrap;
  box-shadow: 0 4px 16px rgba(59, 130, 246, 0.3);
}

.pricing-tier {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 14px;
  font-weight: 600;
  color: var(--wf-text-muted);
  text-transform: uppercase;
  letter-spacing: 2.5px;
  margin-bottom: 10px;
}

.pricing-price {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 52px;
  font-weight: 700;
  color: var(--wf-white);
  margin-bottom: 28px;
  line-height: 1;
}

.pricing-price span {
  font-size: 16px;
  color: var(--wf-text-muted);
  font-weight: 400;
}

.pricing-features {
  list-style: none;
  text-align: left;
  margin-bottom: 32px;
}

.pricing-features li {
  padding: 10px 0;
  font-size: 14px;
  color: var(--wf-text);
  border-bottom: 1px solid var(--wf-border);
  display: flex;
  align-items: center;
  gap: 6px;
}

.pricing-features li:last-child {
  border-bottom: none;
}

.pricing-note {
  margin-top: 14px;
  font-size: 13px;
  color: var(--wf-text-dim);
}

/* Add-ons */
.addons {
  background: var(--wf-bg-glass);
  backdrop-filter: var(--wf-blur);
  -webkit-backdrop-filter: var(--wf-blur);
  border: 1px solid var(--wf-border);
  border-radius: var(--wf-radius);
  padding: 40px;
}

.addons h3 {
  font-size: 20px;
  margin-bottom: 28px;
  text-align: center;
}

.addon-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}

.addon-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 18px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--wf-border);
  border-radius: var(--wf-radius-sm);
  transition: all var(--wf-transition);
}

.addon-item:hover {
  border-color: var(--wf-border-glow);
  background: rgba(255, 255, 255, 0.04);
}

.addon-price {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  color: var(--wf-accent-light);
  white-space: nowrap;
  min-width: 75px;
}

.addon-name {
  color: var(--wf-text-muted);
  font-size: 14px;
}

/* ============================================================
   TIMELINE / STEPS
   ============================================================ */
.steps-grid {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  position: relative;
}

.step {
  background: var(--wf-bg-glass);
  backdrop-filter: var(--wf-blur);
  -webkit-backdrop-filter: var(--wf-blur);
  border: 1px solid var(--wf-border);
  border-radius: var(--wf-radius);
  padding: 40px 28px;
  text-align: center;
  flex: 1;
  max-width: 300px;
  transition: all var(--wf-transition);
}

.step:hover {
  border-color: var(--wf-border-glow);
  transform: translateY(-4px);
  box-shadow: 0 8px 32px rgba(59, 130, 246, 0.08);
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--wf-accent-glow);
  border: 1px solid rgba(59, 130, 246, 0.3);
  font-family: 'Space Grotesk', sans-serif;
  font-size: 22px;
  font-weight: 700;
  color: var(--wf-accent-light);
  margin-bottom: 20px;
  box-shadow: 0 0 20px rgba(59, 130, 246, 0.15);
}

.step h3 {
  font-size: 18px;
  margin-bottom: 10px;
}

.step p {
  color: var(--wf-text-muted);
  font-size: 14px;
  line-height: 1.7;
}

.step-arrow {
  font-size: 24px;
  color: var(--wf-text-dim);
  flex-shrink: 0;
  transition: color var(--wf-transition);
}

/* Timeline — Vertical Connected Steps (alternate layout) */
.timeline {
  position: relative;
  padding-left: 40px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 20px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--wf-accent), var(--wf-border));
}

.timeline-step {
  position: relative;
  margin-bottom: 48px;
  padding-left: 36px;
}

.timeline-step::before {
  content: attr(data-step);
  position: absolute;
  left: -30px;
  top: 0;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--wf-accent-glow);
  border: 2px solid var(--wf-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  color: var(--wf-accent-light);
  font-size: 16px;
  box-shadow: 0 0 20px rgba(59, 130, 246, 0.2);
}

/* ============================================================
   FAQ ACCORDION
   ============================================================ */
.faq-list {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  background: var(--wf-bg-glass);
  backdrop-filter: var(--wf-blur);
  -webkit-backdrop-filter: var(--wf-blur);
  border: 1px solid var(--wf-border);
  border-radius: var(--wf-radius);
  overflow: hidden;
  transition: border-color var(--wf-transition);
}

.faq-item:hover,
.faq-item.active {
  border-color: var(--wf-border-glow);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 20px 24px;
  background: none;
  border: none;
  color: var(--wf-white);
  font-family: 'Space Grotesk', sans-serif;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  text-align: left;
  transition: color var(--wf-transition);
}

.faq-question::after {
  content: '+';
  font-size: 22px;
  color: var(--wf-accent-light);
  transition: transform 0.3s ease;
  flex-shrink: 0;
  margin-left: 16px;
}

.faq-item.active .faq-question::after {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease;
}

.faq-item.active .faq-answer {
  max-height: 300px;
  padding: 0 24px 20px;
}

.faq-answer p {
  color: var(--wf-text-muted);
  font-size: 15px;
  line-height: 1.7;
}

/* ============================================================
   ABOUT
   ============================================================ */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}

.about-text h2 {
  font-size: clamp(28px, 4vw, 38px);
  margin-bottom: 24px;
}

.about-text p {
  color: var(--wf-text-muted);
  margin-bottom: 16px;
  line-height: 1.8;
  font-size: 15px;
}

.about-text strong {
  color: var(--wf-white);
}

.about-stats {
  display: flex;
  gap: 36px;
  margin-top: 28px;
}

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

.about-stat-number {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 34px;
  font-weight: 700;
  color: var(--wf-accent-light);
  line-height: 1.2;
}

.about-stat-label {
  font-size: 11px;
  color: var(--wf-text-muted);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-top: 4px;
}

.about-map {
  border-radius: var(--wf-radius);
  overflow: hidden;
  border: 1px solid var(--wf-border);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.about-map iframe {
  width: 100%;
  height: 400px;
  border: 0;
  filter: invert(90%) hue-rotate(180deg);
}

/* ============================================================
   CONTACT FORM — Glass Card Layout
   ============================================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 48px;
}

.contact-form {
  background: var(--wf-bg-glass);
  backdrop-filter: var(--wf-blur);
  -webkit-backdrop-filter: var(--wf-blur);
  border: 1px solid var(--wf-border);
  border-radius: var(--wf-radius);
  padding: 40px;
}

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

.form-group {
  margin-bottom: 22px;
}

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--wf-text-muted);
  margin-bottom: 8px;
  letter-spacing: 0.3px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 13px 18px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--wf-border);
  border-radius: var(--wf-radius-sm);
  color: var(--wf-text);
  font-family: inherit;
  font-size: 15px;
  transition: border-color var(--wf-transition), box-shadow var(--wf-transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--wf-accent);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1),
              0 0 20px rgba(59, 130, 246, 0.05);
}

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

.form-group select {
  cursor: pointer;
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%238888a0' d='M6 8L0 0h12z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
}

.form-group select option {
  background: var(--wf-bg);
  color: var(--wf-text);
}

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

.form-note {
  text-align: center;
  color: var(--wf-text-dim);
  font-size: 13px;
  margin-top: 14px;
}

/* Contact Info Sidebar */
.contact-info {
  display: flex;
  flex-direction: column;
  gap: 32px;
  padding-top: 20px;
}

.contact-block h3 {
  font-size: 18px;
  margin-bottom: 10px;
}

.contact-block p {
  color: var(--wf-text-muted);
  line-height: 1.8;
}

.contact-icon {
  font-size: 26px;
  margin-bottom: 6px;
  filter: drop-shadow(0 0 8px rgba(59, 130, 246, 0.15));
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  padding: 48px 0;
  border-top: 1px solid var(--wf-border);
  background: var(--wf-bg);
  position: relative;
  z-index: 1;
}

.footer-inner {
  text-align: center;
}

.footer-brand {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 20px;
  font-weight: 700;
  color: var(--wf-white);
  margin-bottom: 10px;
}

.footer-brand .brand-icon {
  color: var(--wf-accent-light);
}

.footer p {
  color: var(--wf-text-dim);
  font-size: 13px;
  margin-top: 4px;
}

.footer-tagline {
  margin-top: 4px;
}

/* ============================================================
   SCROLL REVEAL ANIMATION
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

/* Stagger delays */
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ============================================================
   SPECIAL EFFECTS
   ============================================================ */

/* Glow keyframes for ambient elements */
@keyframes glow-breathe {
  0%, 100% {
    opacity: 0.5;
  }
  50% {
    opacity: 1;
  }
}

/* Selection styling */
::selection {
  background: rgba(59, 130, 246, 0.3);
  color: var(--wf-white);
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--wf-bg);
}

::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.08);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.15);
}

/* ============================================================
   RESPONSIVE — 768px Breakpoint
   ============================================================ */
@media (max-width: 768px) {

  /* Nav: hamburger mode */
  .nav-links {
    display: none;
  }

  .nav-links.active {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    background: rgba(6, 6, 14, 0.95);
    backdrop-filter: var(--wf-blur-heavy);
    -webkit-backdrop-filter: var(--wf-blur-heavy);
    padding: 28px 24px;
    gap: 20px;
    border-bottom: 1px solid var(--wf-border);
    animation: nav-slide-in 0.3s ease;
  }

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

  .nav-links.active a {
    font-size: 16px;
  }

  .nav-toggle {
    display: flex;
  }

  /* Hero */
  .hero {
    min-height: auto;
    padding: 120px 24px 64px;
  }

  .hero h1 {
    font-size: 34px;
  }

  .hero-sub {
    font-size: 16px;
  }

  .hero-trust {
    gap: 20px;
    padding: 20px 24px;
    max-width: 100%;
  }

  .trust-number {
    font-size: 24px;
  }

  .trust-label {
    font-size: 10px;
  }

  /* Grids: collapse to single column */
  .problem-grid {
    grid-template-columns: 1fr;
  }

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

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

  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 420px;
    margin-left: auto;
    margin-right: auto;
  }

  .pricing-popular,
  .pricing-featured {
    transform: none;
  }

  .pricing-popular:hover,
  .pricing-featured:hover {
    transform: translateY(-4px);
  }

  /* Steps: vertical stack */
  .steps-grid {
    flex-direction: column;
  }

  .step {
    max-width: 100%;
  }

  .step-arrow {
    transform: rotate(90deg);
  }

  /* About */
  .about-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

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

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

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

  /* Addons */
  .addon-grid {
    grid-template-columns: 1fr;
  }

  /* Section spacing */
  .section {
    padding: 80px 0;
  }

  /* Portfolio filters */
  .portfolio-filters {
    gap: 8px;
  }

  .filter-btn {
    padding: 6px 16px;
    font-size: 12px;
  }

  /* FAQ */
  .faq-question {
    font-size: 15px;
    padding: 18px 20px;
  }

  .faq-item.active .faq-answer {
    padding: 0 20px 18px;
  }

  /* Timeline vertical */
  .timeline {
    padding-left: 32px;
  }
}

/* ============================================================
   RESPONSIVE — Small Screens (480px)
   ============================================================ */
@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

  .hero {
    padding: 100px 16px 48px;
  }

  .hero h1 {
    font-size: 28px;
  }

  .hero-trust {
    flex-direction: column;
    gap: 16px;
    padding: 20px;
  }

  .trust-divider {
    width: 40px;
    height: 1px;
  }

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

  .hero-cta .btn {
    width: 100%;
    max-width: 280px;
    text-align: center;
  }

  .contact-form {
    padding: 24px;
  }

  .addons {
    padding: 24px;
  }

  .pricing-card {
    padding: 32px 20px;
  }
}