/* ==========================================================================
   SHIBIL - DIGITAL MARKETING & CRO PORTFOLIO
   Design System: Premium Monochrome with High-Conversion Emerald Accent
   ========================================================================== */

:root {
  /* Core Monochrome Palette */
  --bg-primary: #08090C;
  --bg-secondary: #0E1015;
  --bg-card: #13161E;
  --bg-card-hover: #181C26;
  --bg-glass: rgba(19, 22, 30, 0.75);
  --bg-glass-subtle: rgba(255, 255, 255, 0.03);

  /* High-Converting Accent (Emerald Mint) */
  --accent-primary: #00F59B;
  --accent-hover: #00D686;
  --accent-subtle: rgba(0, 245, 155, 0.1);
  --accent-border: rgba(0, 245, 155, 0.25);
  --accent-glow: 0 0 25px rgba(0, 245, 155, 0.35);

  /* Neutral Greys & Text */
  --text-primary: #FFFFFF;
  --text-secondary: #94A3B8;
  --text-muted: #64748B;
  --text-on-accent: #07090C;

  /* Borders & Dividers */
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-medium: rgba(255, 255, 255, 0.14);
  --border-active: rgba(0, 245, 155, 0.45);

  /* Typography */
  --font-family: 'Plus Jakarta Sans', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  /* Layout & Spacing */
  --container-max: 1240px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-pill: 9999px;

  /* Transitions */
  --transition-fast: 0.18s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-normal: 0.28s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 0.45s cubic-bezier(0.16, 1, 0.3, 1);

  /* Elevation Shadows */
  --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 12px 28px rgba(0, 0, 0, 0.45);
  --shadow-lg: 0 20px 48px rgba(0, 0, 0, 0.6);
  --shadow-glow: 0 10px 30px -10px rgba(0, 245, 155, 0.3);
}

/* ==========================================================================
   Base & Reset
   ========================================================================== */

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  color-scheme: dark;
}

body {
  font-family: var(--font-family);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  position: relative;
}

/* Background Subtle Ambient Gradients */
body::before {
  content: '';
  position: fixed;
  top: -15%;
  left: 20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(0, 245, 155, 0.04) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

body::after {
  content: '';
  position: fixed;
  bottom: 5%;
  right: 15%;
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.02) 0%, transparent 75%);
  pointer-events: none;
  z-index: 0;
}

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

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

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

button {
  cursor: pointer;
  background: transparent;
}

ul {
  list-style: none;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 9px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: #242938;
  border-radius: var(--radius-pill);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--accent-primary);
}

/* ==========================================================================
   Layout Containers & Utilities
   ========================================================================== */

.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

.section {
  padding: 96px 0;
  position: relative;
}

.section-tight {
  padding: 64px 0;
}

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 56px auto;
}

.section-header.left-aligned {
  text-align: left;
  margin: 0 0 40px 0;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.badge.badge-accent {
  background: var(--accent-subtle);
  color: var(--accent-primary);
  border-color: var(--accent-border);
}

.pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--accent-primary);
  position: relative;
}

.pulse-dot::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background-color: var(--accent-primary);
  transform: translate(-50%, -50%);
  animation: pulse-ring 2s infinite ease-out;
}

@keyframes pulse-ring {
  0% {
    transform: translate(-50%, -50%) scale(1);
    opacity: 0.8;
  }
  100% {
    transform: translate(-50%, -50%) scale(2.8);
    opacity: 0;
  }
}

.section-title {
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.18;
  margin-bottom: 16px;
  color: var(--text-primary);
}

.section-title .text-gradient {
  background: linear-gradient(135deg, #FFFFFF 30%, var(--accent-primary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--text-secondary);
  line-height: 1.65;
  font-weight: 400;
}

/* ==========================================================================
   Buttons & CTAs
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 26px;
  font-size: 0.9375rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  border-radius: var(--radius-md);
  transition: all var(--transition-normal);
  white-space: nowrap;
  position: relative;
  text-decoration: none;
}

.btn-primary {
  background: var(--accent-primary);
  color: var(--text-on-accent);
  box-shadow: var(--shadow-glow);
  font-weight: 700;
}

.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(0, 245, 155, 0.45);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  background: var(--bg-card);
  color: var(--text-primary);
  border: 1px solid var(--border-medium);
}

.btn-secondary:hover {
  background: var(--bg-card-hover);
  border-color: rgba(255, 255, 255, 0.28);
  transform: translateY(-2px);
  color: #FFFFFF;
}

.btn-ghost {
  color: var(--text-secondary);
  padding: 10px 16px;
}

.btn-ghost:hover {
  color: var(--text-primary);
}

.btn-whatsapp {
  background: #25D366;
  color: #07170D;
  font-weight: 700;
}

.btn-whatsapp:hover {
  background: #20BD5A;
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(37, 211, 102, 0.3);
}

.btn-sm {
  padding: 10px 18px;
  font-size: 0.875rem;
  border-radius: var(--radius-sm);
}

.btn-lg {
  padding: 16px 32px;
  font-size: 1.0625rem;
  border-radius: var(--radius-md);
}

.btn-icon {
  width: 18px;
  height: 18px;
  transition: transform var(--transition-fast);
}

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

/* ==========================================================================
   Header & Navigation
   ========================================================================== */

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 80px;
  z-index: 100;
  transition: background-color var(--transition-normal), backdrop-filter var(--transition-normal), border var(--transition-normal), height var(--transition-normal);
}

.header.scrolled {
  height: 68px;
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.logo-symbol {
  width: 34px;
  height: 34px;
  background: var(--bg-card);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-primary);
  font-weight: 900;
  font-size: 1.1rem;
}

.logo-dot {
  color: var(--accent-primary);
}

.nav-desktop {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-link {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
  position: relative;
  padding: 6px 0;
}

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

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

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

.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.mobile-menu-btn {
  display: none;
  background: transparent;
  color: var(--text-primary);
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
  align-items: center;
  justify-content: center;
}

/* Mobile Nav Drawer */
.mobile-nav {
  position: fixed;
  top: 0;
  right: -100%;
  width: 82%;
  max-width: 360px;
  height: 100vh;
  background: var(--bg-secondary);
  border-left: 1px solid var(--border-medium);
  z-index: 101;
  padding: 32px 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: right var(--transition-slow);
  box-shadow: -10px 0 30px rgba(0,0,0,0.7);
}

.mobile-nav.open {
  right: 0;
}

.mobile-nav-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(6px);
  z-index: 100;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

.mobile-nav-backdrop.open {
  opacity: 1;
  pointer-events: auto;
}

.mobile-nav-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 36px;
}

.mobile-nav-close {
  color: var(--text-secondary);
  font-size: 1.5rem;
  padding: 6px;
}

.mobile-nav-links {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.mobile-nav-links .nav-link {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-primary);
}

.mobile-nav-footer {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding-top: 24px;
  border-top: 1px solid var(--border-subtle);
}

/* ==========================================================================
   Hero Section (CRO Core Above-the-fold)
   ========================================================================== */

.hero {
  padding-top: 140px;
  padding-bottom: 80px;
  position: relative;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 56px;
  align-items: center;
}

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

.hero-status {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(0, 245, 155, 0.08);
  border: 1px solid var(--accent-border);
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--accent-primary);
  margin-bottom: 24px;
}

.hero-headline {
  font-size: 3.5rem;
  line-height: 1.1;
  font-weight: 800;
  letter-spacing: -0.035em;
  color: var(--text-primary);
  margin-bottom: 24px;
}

.hero-headline .highlight {
  color: var(--accent-primary);
  position: relative;
  display: inline-block;
}

.hero-intro {
  font-size: 1.15rem;
  line-height: 1.68;
  color: #B4BFCE;
  margin-bottom: 36px;
  max-width: 580px;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 48px;
}

.hero-guarantee {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-top: -32px;
  margin-bottom: 40px;
}

.hero-guarantee svg {
  color: var(--accent-primary);
}

/* Metric / Social Proof Bar in Hero */
.hero-stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  width: 100%;
  padding-top: 28px;
  border-top: 1px solid var(--border-subtle);
}

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

.stat-number {
  font-size: 1.85rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  line-height: 1.15;
}

.stat-number .stat-accent {
  color: var(--accent-primary);
}

.stat-label {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  font-weight: 500;
  margin-top: 4px;
}

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

.hero-image-wrapper {
  position: relative;
  width: 100%;
  max-width: 440px;
  border-radius: var(--radius-xl);
  overflow: visible;
}

.hero-image-frame {
  position: relative;
  width: 100%;
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--border-medium);
  background: var(--bg-card);
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.7);
}

.hero-image {
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  display: block;
  filter: contrast(1.03);
  transition: transform var(--transition-slow);
}

.hero-image-frame:hover .hero-image {
  transform: scale(1.02);
}

/* Floating Trust Cards on Profile */
.floating-pill {
  position: absolute;
  background: var(--bg-card);
  border: 1px solid var(--border-medium);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  padding: 12px 18px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  gap: 12px;
  z-index: 2;
  animation: float-gentle 4s ease-in-out infinite alternate;
}

.floating-pill-1 {
  top: 8%;
  left: -24px;
}

.floating-pill-2 {
  bottom: 12%;
  right: -24px;
  animation-delay: -2s;
}

@keyframes float-gentle {
  0% {
    transform: translateY(0);
  }
  100% {
    transform: translateY(-8px);
  }
}

.pill-icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: var(--accent-subtle);
  border: 1px solid var(--accent-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-primary);
  flex-shrink: 0;
}

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

.pill-title {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.2;
}

.pill-subtitle {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

/* Background Aura */
.hero-aura {
  position: absolute;
  width: 380px;
  height: 380px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 245, 155, 0.12) 0%, transparent 70%);
  filter: blur(40px);
  z-index: 0;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
}

/* ==========================================================================
   Trust / Tool Stack Ecosystem Bar
   ========================================================================== */

.trust-ecosystem {
  padding: 36px 0;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.trust-header {
  text-align: center;
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.tools-grid {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 28px 48px;
}

.tool-item {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-secondary);
  transition: color var(--transition-fast), transform var(--transition-fast);
  opacity: 0.75;
}

.tool-item:hover {
  color: var(--text-primary);
  opacity: 1;
  transform: translateY(-2px);
}

.tool-item svg {
  width: 20px;
  height: 20px;
  color: var(--accent-primary);
}

/* ==========================================================================
   About Me Section
   ========================================================================== */

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.about-story p {
  color: var(--text-secondary);
  font-size: 1.0625rem;
  line-height: 1.75;
  margin-bottom: 20px;
}

.about-story p strong {
  color: var(--text-primary);
}

.about-quote {
  padding: 20px 24px;
  background: var(--bg-card);
  border-left: 3px solid var(--accent-primary);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-size: 1.05rem;
  font-style: italic;
  color: #E2E8F0;
  margin: 28px 0;
}

.about-journey-timeline {
  margin-top: 32px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.timeline-card {
  display: flex;
  gap: 16px;
  padding: 16px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast);
}

.timeline-card:hover {
  border-color: var(--border-medium);
}

.timeline-year {
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--accent-primary);
  font-family: var(--font-mono);
  background: var(--accent-subtle);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  height: fit-content;
}

.timeline-content h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.timeline-content p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 0;
}

/* Strengths Grid */
.strengths-container {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.strengths-container h3 {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-primary);
}

.strengths-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.strength-tag {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-primary);
  transition: all var(--transition-normal);
}

.strength-tag:hover {
  border-color: var(--accent-border);
  background: var(--bg-card-hover);
  transform: translateY(-2px);
}

.strength-tag svg {
  color: var(--accent-primary);
  flex-shrink: 0;
  width: 18px;
  height: 18px;
}

/* ==========================================================================
   Services Section
   ========================================================================== */

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

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 36px 30px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--accent-primary), transparent);
  opacity: 0;
  transition: opacity var(--transition-normal);
}

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

.service-card:hover::before {
  opacity: 1;
}

.service-icon-box {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: var(--accent-subtle);
  border: 1px solid var(--accent-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-primary);
  margin-bottom: 24px;
}

.service-icon-box svg {
  width: 26px;
  height: 26px;
}

.service-title {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 12px;
  line-height: 1.25;
}

.service-description {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 24px;
}

.service-deliverables {
  margin-bottom: 28px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.deliverable-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.875rem;
  color: #CBD5E1;
}

.deliverable-item svg {
  width: 16px;
  height: 16px;
  color: var(--accent-primary);
  flex-shrink: 0;
  margin-top: 3px;
}

.service-bottom {
  margin-top: auto;
  padding-top: 20px;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.service-outcome-tag {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--accent-primary);
  font-family: var(--font-mono);
}

.service-cta-btn {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: color var(--transition-fast);
}

.service-card:hover .service-cta-btn {
  color: var(--accent-primary);
}

/* ==========================================================================
   Portfolio / Case Studies (CRO Deep Dives)
   ========================================================================== */

.portfolio-tabs {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 48px;
}

.tab-btn {
  padding: 10px 22px;
  border-radius: var(--radius-pill);
  font-size: 0.9rem;
  font-weight: 600;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

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

.tab-btn.active {
  background: var(--text-primary);
  color: var(--bg-primary);
  border-color: var(--text-primary);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 36px;
}

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

.case-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-medium);
  box-shadow: var(--shadow-lg);
}

.case-image-box {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: #000;
}

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

.case-card:hover .case-image {
  transform: scale(1.04);
}

.case-badge-overlay {
  position: absolute;
  top: 18px;
  left: 18px;
  background: rgba(8, 9, 12, 0.85);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-medium);
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--accent-primary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.case-body {
  padding: 32px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.case-header-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 12px;
}

.case-client {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.case-title {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.25;
  margin-bottom: 20px;
}

/* Problem -> Strategy -> Solution -> Result Structured Grid */
.case-breakdown-matrix {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 28px;
  background: rgba(0, 0, 0, 0.25);
  padding: 16px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
}

.breakdown-row {
  display: grid;
  grid-template-columns: 85px 1fr;
  align-items: baseline;
  gap: 12px;
  font-size: 0.875rem;
}

.breakdown-label {
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.05em;
}

.breakdown-label.problem { color: #F87171; }
.breakdown-label.strategy { color: #60A5FA; }
.breakdown-label.solution { color: #FBBF24; }
.breakdown-label.result { color: var(--accent-primary); }

.breakdown-value {
  color: var(--text-secondary);
  line-height: 1.45;
}

.breakdown-row.result-highlight {
  background: var(--accent-subtle);
  margin: 4px -8px -8px -8px;
  padding: 8px;
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--accent-primary);
}

.breakdown-row.result-highlight .breakdown-value {
  color: var(--text-primary);
  font-weight: 700;
}

.case-footer {
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  border-top: 1px solid var(--border-subtle);
}

.case-action-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--accent-primary);
  transition: gap var(--transition-fast);
}

.case-action-btn:hover {
  gap: 12px;
}

/* ==========================================================================
   Interactive CRO Growth / ROI Calculator Tool
   ========================================================================== */

.cro-calculator-section {
  background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 50%, var(--bg-primary) 100%);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.calc-card {
  background: var(--bg-card);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-xl);
  padding: 48px;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 48px;
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}

.calc-card::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 250px;
  height: 250px;
  background: radial-gradient(circle, rgba(0, 245, 155, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.calc-controls {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.calc-input-group {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.calc-label-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.calc-label {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-primary);
}

.calc-current-val {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--accent-primary);
  font-family: var(--font-mono);
}

.calc-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 8px;
  border-radius: var(--radius-pill);
  background: #232734;
  outline: none;
  transition: background 0.2s;
}

.calc-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--accent-primary);
  cursor: pointer;
  box-shadow: 0 0 12px rgba(0, 245, 155, 0.6);
  transition: transform 0.15s ease;
}

.calc-slider::-webkit-slider-thumb:hover {
  transform: scale(1.15);
}

.calc-results-box {
  background: var(--bg-secondary);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  text-align: center;
}

.calc-results-heading {
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.calc-hero-metric {
  font-size: 3rem;
  font-weight: 900;
  color: var(--accent-primary);
  letter-spacing: -0.04em;
  line-height: 1.1;
  margin-bottom: 8px;
}

.calc-hero-label {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  margin-bottom: 24px;
}

.calc-breakdown-metrics {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  padding: 18px 0;
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: 24px;
}

.calc-submetric-val {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-primary);
}

.calc-submetric-title {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: 2px;
}

/* ==========================================================================
   Why Work With Me Section
   ========================================================================== */

.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.why-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.why-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-medium);
  box-shadow: var(--shadow-sm);
}

.why-card-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--accent-subtle);
  border: 1px solid var(--accent-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-primary);
}

.why-card-icon svg {
  width: 22px;
  height: 22px;
}

.why-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
}

.why-card p {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ==========================================================================
   Client Stories / Testimonials
   ========================================================================== */

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.testimonial-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 36px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 24px;
  transition: all var(--transition-normal);
  position: relative;
}

.testimonial-card:hover {
  border-color: var(--border-medium);
  transform: translateY(-4px);
}

.testimonial-metric-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px;
  background: var(--accent-subtle);
  border: 1px solid var(--accent-border);
  border-radius: var(--radius-sm);
}

.test-metric-val {
  font-size: 0.9375rem;
  font-weight: 800;
  color: var(--accent-primary);
  font-family: var(--font-mono);
}

.test-stars {
  display: flex;
  gap: 4px;
  color: #FBBF24;
}

.test-stars svg {
  width: 15px;
  height: 15px;
  fill: currentColor;
}

.testimonial-quote {
  font-size: 1.05rem;
  color: #E2E8F0;
  line-height: 1.65;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 14px;
  padding-top: 16px;
  border-top: 1px solid var(--border-subtle);
}

.author-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: #252A38;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  color: var(--accent-primary);
  border: 1px solid var(--border-medium);
}

.author-info {
  display: flex;
  flex-direction: column;
}

.author-name {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
}

.author-role {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

/* ==========================================================================
   FAQ Section (Conversion Objection Removal)
   ========================================================================== */

.faq-container {
  max-width: 820px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

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

.faq-item.active {
  border-color: var(--accent-border);
}

.faq-question-btn {
  width: 100%;
  padding: 22px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  text-align: left;
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--text-primary);
  transition: color var(--transition-fast);
}

.faq-item.active .faq-question-btn {
  color: var(--accent-primary);
}

.faq-icon {
  width: 22px;
  height: 22px;
  transition: transform var(--transition-normal);
  color: var(--text-muted);
  flex-shrink: 0;
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
  color: var(--accent-primary);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-normal) ease-out;
  padding: 0 24px;
}

.faq-answer-inner {
  padding-bottom: 22px;
  color: var(--text-secondary);
  font-size: 0.975rem;
  line-height: 1.7;
}

/* ==========================================================================
   Contact / Final CTA Section
   ========================================================================== */

.contact-section {
  position: relative;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
}

.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 64px;
  align-items: start;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.contact-info-title {
  font-size: 2.5rem;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  color: var(--text-primary);
}

.contact-info-desc {
  font-size: 1.0625rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

.contact-direct-links {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.contact-channel-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 22px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.contact-channel-card:hover {
  border-color: var(--border-medium);
  transform: translateX(4px);
}

.channel-left {
  display: flex;
  align-items: center;
  gap: 14px;
}

.channel-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--bg-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-primary);
}

.channel-icon svg {
  width: 20px;
  height: 20px;
}

.channel-name {
  font-size: 0.8125rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.channel-val {
  font-size: 0.975rem;
  font-weight: 600;
  color: var(--text-primary);
}

.social-pills-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-top: 12px;
}

.social-pill {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.social-pill:hover {
  color: var(--accent-primary);
  border-color: var(--accent-border);
  transform: translateY(-2px);
}

.social-pill svg {
  width: 20px;
  height: 20px;
}

/* Contact Form Card */
.contact-form-card {
  background: var(--bg-card);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-xl);
  padding: 44px 38px;
  box-shadow: var(--shadow-lg);
}

.form-group {
  margin-bottom: 22px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.form-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
}

.form-input, .form-textarea, .form-select {
  width: 100%;
  padding: 14px 18px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 0.9375rem;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus, .form-textarea:focus, .form-select:focus {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(0, 245, 155, 0.15);
}

.form-input::placeholder, .form-textarea::placeholder {
  color: #4B5565;
}

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

/* Service Pills Selector */
.service-pills-selector {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 4px;
}

.service-pill-option {
  padding: 8px 14px;
  border-radius: var(--radius-pill);
  font-size: 0.8125rem;
  font-weight: 600;
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
  user-select: none;
}

.service-pill-option:hover {
  border-color: var(--border-medium);
  color: var(--text-primary);
}

.service-pill-option.selected {
  background: var(--accent-subtle);
  color: var(--accent-primary);
  border-color: var(--accent-border);
}

.form-submit-btn {
  width: 100%;
  padding: 16px;
  font-size: 1.05rem;
  margin-top: 10px;
}

.form-guarantee-note {
  text-align: center;
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

/* ==========================================================================
   Footer
   ========================================================================== */

.footer {
  padding: 40px 0 60px 0;
  background: var(--bg-primary);
  border-top: 1px solid var(--border-subtle);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
}

.footer-copy {
  font-size: 0.875rem;
  color: var(--text-muted);
}

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

.footer-link {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.footer-link:hover {
  color: var(--accent-primary);
}

/* ==========================================================================
   Sticky Mobile CTA Bar (Mobile CRO Essential)
   ========================================================================== */

.mobile-sticky-cta {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(14, 16, 21, 0.95);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-top: 1px solid var(--border-medium);
  padding: 12px 18px;
  z-index: 99;
  box-shadow: 0 -10px 24px rgba(0, 0, 0, 0.5);
}

.mobile-sticky-cta-inner {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
}

.mobile-sticky-cta-inner .btn {
  flex: 1;
  padding: 12px 16px;
  font-size: 0.875rem;
}

/* ==========================================================================
   Modal: In-Depth Case Study
   ========================================================================== */

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.82);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

.modal-backdrop.open {
  opacity: 1;
  pointer-events: auto;
}

.modal-content {
  background: var(--bg-card);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-xl);
  width: 100%;
  max-width: 820px;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  transform: translateY(20px) scale(0.97);
  transition: transform var(--transition-normal);
  box-shadow: var(--shadow-lg);
}

.modal-backdrop.open .modal-content {
  transform: translateY(0) scale(1);
}

.modal-close-btn {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 10;
  transition: all var(--transition-fast);
}

.modal-close-btn:hover {
  background: #252A38;
  color: var(--text-primary);
}

.modal-image-wrap {
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #000;
}

.modal-image-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.modal-body {
  padding: 36px 36px 44px 36px;
}

.modal-badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  background: var(--accent-subtle);
  color: var(--accent-primary);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.modal-title {
  font-size: 1.85rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 24px;
  line-height: 1.25;
}

.modal-metric-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-bottom: 32px;
}

.modal-metric-card {
  padding: 16px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  text-align: center;
}

.modal-metric-num {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--accent-primary);
  font-family: var(--font-mono);
}

.modal-metric-desc {
  font-size: 0.75rem;
  color: var(--text-secondary);
  margin-top: 4px;
}

.modal-text-block {
  margin-bottom: 24px;
}

.modal-text-block h4 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.modal-text-block p {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

.modal-footer {
  margin-top: 36px;
  padding-top: 24px;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

/* ==========================================================================
   Toast Notification
   ========================================================================== */

.toast-container {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.toast {
  background: var(--bg-card);
  border: 1px solid var(--accent-border);
  color: var(--text-primary);
  padding: 14px 20px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.9rem;
  transform: translateY(20px);
  opacity: 0;
  transition: all var(--transition-normal);
}

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

.toast-icon {
  color: var(--accent-primary);
  flex-shrink: 0;
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */

@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .hero-content {
    text-align: center;
    align-items: center;
  }

  .hero-intro {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-cta-group {
    justify-content: center;
  }

  .hero-stats-row {
    max-width: 600px;
    margin: 0 auto;
  }

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

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

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

  .calc-card {
    grid-template-columns: 1fr;
    padding: 32px;
  }
}

@media (max-width: 768px) {
  .section {
    padding: 68px 0;
  }

  .hero {
    padding-top: 110px;
    padding-bottom: 60px;
  }

  .hero-headline {
    font-size: 2.35rem;
  }

  .hero-stats-row {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

  .nav-desktop, .header-cta {
    display: none;
  }

  .mobile-menu-btn {
    display: flex;
  }

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

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

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

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

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

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

  .contact-form-card {
    padding: 28px 20px;
  }

  .floating-pill {
    display: none; /* Hide floating cards on small screens for cleaner mobile UX */
  }

  .mobile-sticky-cta {
    display: block;
  }

  body {
    padding-bottom: 65px; /* Spacing for sticky bottom CTA */
  }

  .modal-metric-cards {
    grid-template-columns: 1fr;
  }

  .modal-body {
    padding: 24px 20px;
  }
}

@media (max-width: 480px) {
  .hero-headline {
    font-size: 2rem;
  }

  .section-title {
    font-size: 2rem;
  }

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

  .hero-cta-group .btn {
    width: 100%;
  }

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

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.spin-icon {
  animation: spin 1s linear infinite;
}