/* ==========================================================================
   ADIL AHSAN — PORTFOLIO & DIGITAL MARKETING ARCHITECT
   Aesthetic: Warm Editorial / High-End Brand Identity
   Palette: Warm Cream, Deep Charcoal, Muted Warm Grey, Terracotta Accent
   ========================================================================== */

:root {
  /* Colors */
  --bg-primary: #FAF8F5;
  --bg-secondary: #F3EFEA;
  --bg-tertiary: #EBE5DC;
  --bg-dark: #121316;
  --bg-dark-card: #1B1C21;
  --bg-dark-elevated: #24252B;
  
  --text-primary: #121316;
  --text-secondary: #585760;
  --text-muted: #84838E;
  --text-light: #F7F5F0;
  --text-light-muted: #A8A7B2;

  --accent-terracotta: #C85A32;
  --accent-terracotta-hover: #B24E29;
  --accent-terracotta-light: rgba(200, 90, 50, 0.12);
  --accent-sand: #D8B28B;
  
  --border-light: rgba(18, 19, 22, 0.08);
  --border-medium: rgba(18, 19, 22, 0.15);
  --border-dark: rgba(255, 255, 255, 0.1);
  --border-dark-hover: rgba(255, 255, 255, 0.22);

  /* Typography */
  --font-serif: 'Instrument Serif', 'Playfair Display', Georgia, serif;
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', Consolas, monospace;

  /* Layout */
  --container-max: 1320px;
  --container-narrow: 1040px;
  --section-padding: clamp(4.5rem, 8vw, 8rem);
  --nav-height: 80px;

  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-base: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-smooth: 0.6s cubic-bezier(0.16, 1, 0.3, 1);

  /* Shadows */
  --shadow-subtle: 0 4px 20px -2px rgba(18, 19, 22, 0.04);
  --shadow-medium: 0 16px 36px -4px rgba(18, 19, 22, 0.08);
  --shadow-large: 0 24px 56px -8px rgba(18, 19, 22, 0.14);
}

/* --------------------------------------------------------------------------
   RESET & BASE STYLES
   -------------------------------------------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-height);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-sans);
  line-height: 1.6;
  font-weight: 400;
  overflow-x: hidden;
  position: relative;
}

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

input, button, textarea, select {
  font: inherit;
}

a {
  color: inherit;
  text-decoration: none;
}

ul, ol {
  list-style: none;
}

button {
  background: none;
  border: none;
  cursor: pointer;
}

/* --------------------------------------------------------------------------
   TYPOGRAPHY SYSTEM
   -------------------------------------------------------------------------- */
h1, h2, h3, h4, h5, h6 {
  color: var(--text-primary);
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.font-serif {
  font-family: var(--font-serif);
}

.font-sans {
  font-family: var(--font-sans);
}

.font-mono {
  font-family: var(--font-mono);
}

.display-title {
  font-family: var(--font-serif);
  font-size: clamp(2.75rem, 6.5vw, 5.25rem);
  line-height: 1.05;
  letter-spacing: -0.03em;
  font-weight: 400;
  text-transform: uppercase;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-terracotta);
  margin-bottom: 1.25rem;
}

.section-label::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--accent-terracotta);
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(2.25rem, 4.5vw, 3.75rem);
  line-height: 1.1;
  text-transform: uppercase;
  letter-spacing: -0.02em;
  margin-bottom: 1.25rem;
}

.section-desc {
  font-size: clamp(1.05rem, 1.3vw, 1.25rem);
  color: var(--text-secondary);
  max-width: 680px;
  line-height: 1.65;
}

/* --------------------------------------------------------------------------
   CONTAINERS & GRID
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: clamp(1.25rem, 4vw, 2.5rem);
  padding-right: clamp(1.25rem, 4vw, 2.5rem);
}

.container-narrow {
  max-width: var(--container-narrow);
}

.section {
  padding-top: var(--section-padding);
  padding-bottom: var(--section-padding);
  position: relative;
}

.section-dark {
  background-color: var(--bg-dark);
  color: var(--text-light);
}

.section-dark h1,
.section-dark h2,
.section-dark h3,
.section-dark h4 {
  color: var(--text-light);
}

.section-dark .section-desc {
  color: var(--text-light-muted);
}

/* --------------------------------------------------------------------------
   BUTTONS & CTAs
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 0.95rem 1.85rem;
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border-radius: 4px;
  transition: all var(--transition-base);
  cursor: pointer;
  white-space: nowrap;
}

.btn-arrow {
  display: inline-block;
  transition: transform var(--transition-fast);
}

.btn:hover .btn-arrow {
  transform: translateX(4px);
}

.btn-primary {
  background-color: var(--accent-terracotta);
  color: #FFFFFF;
  border: 1px solid var(--accent-terracotta);
  box-shadow: 0 4px 14px rgba(200, 90, 50, 0.25);
}

.btn-primary:hover {
  background-color: var(--accent-terracotta-hover);
  border-color: var(--accent-terracotta-hover);
  box-shadow: 0 6px 20px rgba(200, 90, 50, 0.35);
  transform: translateY(-2px);
}

.btn-outline {
  background-color: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-medium);
}

.btn-outline:hover {
  background-color: rgba(18, 19, 22, 0.04);
  border-color: var(--text-primary);
  transform: translateY(-2px);
}

.btn-dark {
  background-color: var(--bg-dark);
  color: var(--text-light);
  border: 1px solid var(--bg-dark);
}

.btn-dark:hover {
  background-color: #222329;
  transform: translateY(-2px);
}

.btn-whatsapp {
  background-color: #25D366;
  color: #FFFFFF;
  border: 1px solid #25D366;
  font-weight: 600;
}

.btn-whatsapp:hover {
  background-color: #20BD5A;
  border-color: #20BD5A;
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.3);
  transform: translateY(-2px);
}

/* --------------------------------------------------------------------------
   NAVIGATION / HEADER
   -------------------------------------------------------------------------- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--nav-height);
  z-index: 1000;
  background-color: rgba(250, 248, 245, 0.88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-light);
  transition: all var(--transition-base);
}

.header.scrolled {
  background-color: rgba(250, 248, 245, 0.96);
  box-shadow: 0 8px 24px rgba(18, 19, 22, 0.04);
}

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

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

.brand-title {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  letter-spacing: 0.02em;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--text-primary);
  line-height: 1;
}

.brand-subtitle {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.14em;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-top: 0.2rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-link {
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-secondary);
  position: relative;
  padding: 0.5rem 0;
  transition: color var(--transition-fast);
}

.nav-link::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1.5px;
  background-color: var(--accent-terracotta);
  transition: width var(--transition-base);
}

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

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

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

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  cursor: pointer;
  z-index: 1010;
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background-color: var(--text-primary);
  transition: all var(--transition-fast);
}

/* --------------------------------------------------------------------------
   HERO SECTION
   -------------------------------------------------------------------------- */
.hero {
  min-height: calc(100vh - var(--nav-height));
  margin-top: var(--nav-height);
  display: flex;
  align-items: center;
  padding-top: clamp(2.5rem, 5vw, 4.5rem);
  padding-bottom: clamp(3rem, 6vw, 5.5rem);
  background: radial-gradient(circle at 85% 20%, rgba(200, 90, 50, 0.05) 0%, transparent 60%),
              radial-gradient(circle at 10% 80%, rgba(216, 178, 139, 0.06) 0%, transparent 50%),
              var(--bg-primary);
  position: relative;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(2.5rem, 5vw, 5rem);
  align-items: center;
}

.hero-left {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  z-index: 2;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-terracotta);
  background-color: var(--accent-terracotta-light);
  padding: 0.4rem 0.9rem;
  border-radius: 3px;
  margin-bottom: 1.75rem;
}

.hero-headline {
  font-family: var(--font-serif);
  font-size: clamp(2.75rem, 5.8vw, 4.85rem);
  line-height: 1.04;
  letter-spacing: -0.03em;
  text-transform: uppercase;
  color: var(--text-primary);
  margin-bottom: 1.75rem;
}

.hero-headline span.terracotta-text {
  color: var(--accent-terracotta);
  font-style: italic;
  font-weight: 400;
}

.hero-lead {
  font-size: clamp(1.05rem, 1.25vw, 1.2rem);
  color: var(--text-secondary);
  line-height: 1.65;
  max-width: 560px;
  margin-bottom: 2.25rem;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.25rem;
  margin-bottom: 2.5rem;
}

.hero-status-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  border-top: 1px solid var(--border-light);
  padding-top: 1.5rem;
  width: 100%;
  max-width: 480px;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: #10B981;
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.2);
  display: inline-block;
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.5); }
  70% { transform: scale(1); box-shadow: 0 0 0 6px rgba(16, 185, 129, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

/* Hero Right: Portrait Art Direction */
.hero-right {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-portrait-stage {
  position: relative;
  width: 100%;
  max-width: 480px;
}

/* Background Decorative Graphic Elements behind portrait */
.hero-bg-elements {
  position: absolute;
  inset: -20px;
  pointer-events: none;
  z-index: 0;
}

.hero-grid-pattern {
  position: absolute;
  top: -15px;
  right: -20px;
  width: 180px;
  height: 180px;
  background-image: radial-gradient(circle, var(--border-medium) 1px, transparent 1px);
  background-size: 16px 16px;
  opacity: 0.6;
}

.hero-watermark-text {
  position: absolute;
  top: -35px;
  left: -40px;
  font-family: var(--font-serif);
  font-size: 7.5rem;
  line-height: 1;
  color: rgba(18, 19, 22, 0.035);
  font-weight: 700;
  text-transform: uppercase;
  user-select: none;
  letter-spacing: 0.05em;
}

.hero-arch-accent {
  position: absolute;
  bottom: -20px;
  right: -25px;
  width: 220px;
  height: 280px;
  border: 1px solid rgba(200, 90, 50, 0.2);
  border-radius: 120px 120px 0 0;
  z-index: 0;
}

.hero-badge-tag {
  position: absolute;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  background-color: var(--bg-primary);
  border: 1px solid var(--border-medium);
  padding: 0.3rem 0.65rem;
  border-radius: 2px;
  z-index: 3;
}

.hero-badge-tag.tag-top-right {
  top: 15px;
  right: -15px;
}

.hero-badge-tag.tag-bottom-left {
  bottom: 25px;
  left: -20px;
}

.hero-image-frame {
  position: relative;
  z-index: 1;
  border-radius: 6px;
  overflow: hidden;
  box-shadow: var(--shadow-large);
  border: 1px solid var(--border-medium);
  background-color: var(--bg-secondary);
  aspect-ratio: 4 / 3;
}

.hero-image-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 20%;
  transition: transform var(--transition-smooth);
}

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

.hero-portrait-caption {
  position: absolute;
  bottom: -15px;
  right: 20px;
  z-index: 3;
  background-color: var(--bg-primary);
  padding: 0.75rem 1.25rem;
  border-radius: 4px;
  border: 1px solid var(--border-medium);
  box-shadow: var(--shadow-medium);
}

.hero-portrait-caption .name {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.2;
}

.hero-portrait-caption .role {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  color: var(--accent-terracotta);
  text-transform: uppercase;
}

/* --------------------------------------------------------------------------
   CAPABILITY STRIP
   -------------------------------------------------------------------------- */
.capability-strip {
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
  background-color: var(--bg-secondary);
  padding: 1.5rem 0;
  overflow: hidden;
}

.capability-ticker {
  display: flex;
  gap: 3rem;
  white-space: nowrap;
  animation: ticker-slide 35s linear infinite;
}

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

.ticker-item {
  display: inline-flex;
  align-items: center;
  gap: 1.5rem;
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-secondary);
}

.ticker-separator {
  color: var(--accent-terracotta);
  font-size: 0.75rem;
}

/* --------------------------------------------------------------------------
   APPROACH SECTION
   -------------------------------------------------------------------------- */
.approach-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(1.5rem, 3vw, 2.5rem);
  margin-top: 3.5rem;
}

.approach-card {
  background-color: #FFFFFF;
  border: 1px solid var(--border-light);
  padding: clamp(2rem, 3vw, 2.75rem);
  border-radius: 4px;
  position: relative;
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
}

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

.approach-card-number {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--accent-terracotta);
  margin-bottom: 1.5rem;
}

.approach-card-title {
  font-family: var(--font-serif);
  font-size: 1.65rem;
  line-height: 1.2;
  margin-bottom: 1rem;
  text-transform: uppercase;
}

.approach-card-desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* --------------------------------------------------------------------------
   SELECTED WORK (EDITORIAL ASYMMETRIC GRID)
   -------------------------------------------------------------------------- */
.projects-editorial-grid {
  display: flex;
  flex-direction: column;
  gap: clamp(3rem, 6vw, 5rem);
  margin-top: 3.5rem;
}

/* Project Card Base */
.project-card {
  display: flex;
  flex-direction: column;
  background-color: #FFFFFF;
  border: 1px solid var(--border-light);
  border-radius: 6px;
  overflow: hidden;
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.project-card:hover {
  border-color: var(--border-medium);
  box-shadow: var(--shadow-large);
}

/* Large Featured Project (Project 01) */
.project-card-featured {
  display: grid;
  grid-template-columns: 1.35fr 1fr;
  align-items: stretch;
}

.project-card-featured .project-visual-wrap {
  min-height: 480px;
}

/* Two-Column Asymmetric Row for Projects 02 & 03 */
.projects-asymmetric-row {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(2rem, 4vw, 3.5rem);
}

/* Wide Showcase (Project 04) */
.project-card-wide {
  display: grid;
  grid-template-columns: 1fr 1.35fr;
  align-items: stretch;
}

.project-card-wide .project-visual-wrap {
  order: 2;
  min-height: 460px;
}

.project-card-wide .project-content {
  order: 1;
}

/* Project Visual Area & Hover Effects (Requirement 8) */
.project-visual-wrap {
  position: relative;
  overflow: hidden;
  background-color: var(--bg-secondary);
  width: 100%;
}

.project-visual-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transition: transform 0.65s cubic-bezier(0.16, 1, 0.3, 1);
  transform: scale(1);
}

/* Subtle dark/transparent overlay on hover (Requirement 8) */
.project-visual-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(18, 19, 22, 0.35) 0%, rgba(18, 19, 22, 0.05) 60%, transparent 100%);
  opacity: 0.15;
  transition: opacity var(--transition-base);
  pointer-events: none;
}

.project-card:hover .project-visual-wrap img {
  transform: scale(1.03);
}

.project-card:hover .project-visual-overlay {
  opacity: 0.45;
}

/* Project Badge on Visual */
.project-visual-badge {
  position: absolute;
  top: 1.25rem;
  left: 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-primary);
  background-color: rgba(250, 248, 245, 0.92);
  backdrop-filter: blur(8px);
  padding: 0.4rem 0.85rem;
  border-radius: 3px;
  border: 1px solid var(--border-medium);
  z-index: 2;
}

/* Project Content Details */
.project-content {
  padding: clamp(2rem, 3.5vw, 3rem);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.project-meta-top {
  margin-bottom: 1.75rem;
}

.project-category {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-terracotta);
  margin-bottom: 0.75rem;
  display: block;
}

.project-title {
  font-family: var(--font-serif);
  font-size: clamp(1.65rem, 2.2vw, 2.25rem);
  line-height: 1.15;
  text-transform: uppercase;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.project-desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 1.5rem;
}

.project-services {
  border-top: 1px solid var(--border-light);
  padding-top: 1.25rem;
  margin-bottom: 2rem;
}

.services-label {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  display: block;
  margin-bottom: 0.5rem;
}

.services-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.service-pill {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-secondary);
  background-color: var(--bg-secondary);
  padding: 0.25rem 0.65rem;
  border-radius: 3px;
  border: 1px solid var(--border-light);
}

.project-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-primary);
  transition: color var(--transition-fast);
}

/* Hover arrow moves slightly to the right (Requirement 8) */
.project-cta .cta-arrow {
  display: inline-block;
  color: var(--accent-terracotta);
  transition: transform var(--transition-base);
}

.project-card:hover .project-cta {
  color: var(--accent-terracotta);
}

.project-card:hover .project-cta .cta-arrow {
  transform: translateX(6px);
}

/* --------------------------------------------------------------------------
   SERVICES SECTION
   -------------------------------------------------------------------------- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(1.5rem, 3vw, 2.5rem);
  margin-top: 3.5rem;
}

.service-card {
  background-color: #FFFFFF;
  border: 1px solid var(--border-light);
  border-radius: 4px;
  padding: clamp(2rem, 3vw, 3rem);
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
}

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

.service-number {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--accent-terracotta);
  margin-bottom: 1.5rem;
}

.service-card-title {
  font-family: var(--font-serif);
  font-size: 1.85rem;
  line-height: 1.15;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.service-card-desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 1.75rem;
}

.service-features-list {
  border-top: 1px solid var(--border-light);
  padding-top: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.service-feature-item {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.service-feature-item::before {
  content: "→";
  color: var(--accent-terracotta);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
}

/* --------------------------------------------------------------------------
   PROBLEM-TO-SERVICE MATRIX (CRO FRAMEWORK)
   -------------------------------------------------------------------------- */
.problem-matrix-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(1.5rem, 3vw, 2.5rem);
  margin-top: 3.5rem;
}

.problem-matrix-card {
  background-color: #FFFFFF;
  border: 1px solid var(--border-light);
  border-radius: 4px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.problem-block {
  padding: 1.75rem 2rem;
  background-color: rgba(18, 19, 22, 0.02);
  border-bottom: 1px dashed var(--border-medium);
}

.problem-tag {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #DC2626;
  margin-bottom: 0.5rem;
  display: block;
}

.problem-text {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-primary);
  line-height: 1.5;
}

.solution-block {
  padding: 1.75rem 2rem;
  background-color: #FFFFFF;
}

.solution-tag {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-terracotta);
  margin-bottom: 0.5rem;
  display: block;
}

.solution-text {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* --------------------------------------------------------------------------
   PROCESS SECTION
   -------------------------------------------------------------------------- */
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(1.25rem, 2.5vw, 2rem);
  margin-top: 3.5rem;
}

.process-step {
  border-top: 2px solid var(--border-medium);
  padding-top: 1.5rem;
  position: relative;
}

.process-step::before {
  content: "";
  position: absolute;
  top: -6px;
  left: 0;
  width: 10px;
  height: 10px;
  background-color: var(--accent-terracotta);
  border-radius: 50%;
}

.step-num {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--accent-terracotta);
  margin-bottom: 0.75rem;
  display: block;
}

.step-title {
  font-family: var(--font-serif);
  font-size: 1.45rem;
  line-height: 1.2;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}

.step-desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* --------------------------------------------------------------------------
   ABOUT SECTION (LARGE PORTRAIT LEFT, TEXT RIGHT)
   -------------------------------------------------------------------------- */
.about-grid {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: clamp(2.5rem, 5vw, 5rem);
  align-items: center;
}

.about-portrait-wrap {
  position: relative;
}

.about-image-frame {
  position: relative;
  z-index: 1;
  border-radius: 6px;
  overflow: hidden;
  box-shadow: var(--shadow-large);
  border: 1px solid var(--border-medium);
  background-color: var(--bg-secondary);
  aspect-ratio: 4 / 3;
}

.about-image-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 25%;
  transition: transform var(--transition-smooth);
}

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

.about-decor-square {
  position: absolute;
  top: -20px;
  left: -20px;
  width: 160px;
  height: 160px;
  border: 1px solid var(--border-medium);
  z-index: 0;
}

.about-decor-label {
  position: absolute;
  bottom: -15px;
  left: 20px;
  z-index: 2;
  background-color: var(--bg-primary);
  border: 1px solid var(--border-medium);
  padding: 0.4rem 0.85rem;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  border-radius: 2px;
}

.about-content {
  display: flex;
  flex-direction: column;
}

.about-narrative {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-top: 1rem;
  margin-bottom: 2rem;
}

.about-narrative strong {
  color: var(--text-primary);
  font-weight: 600;
}

.about-highlight-box {
  background-color: var(--bg-secondary);
  border-left: 3px solid var(--accent-terracotta);
  padding: 1.25rem 1.5rem;
  border-radius: 0 4px 4px 0;
  font-style: italic;
  font-family: var(--font-serif);
  font-size: 1.25rem;
  line-height: 1.45;
  color: var(--text-primary);
}

.about-meta-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.about-pill {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 0.4rem 0.85rem;
  background-color: #FFFFFF;
  border: 1px solid var(--border-medium);
  border-radius: 2px;
  color: var(--text-secondary);
}

/* --------------------------------------------------------------------------
   TOOLKIT SECTION
   -------------------------------------------------------------------------- */
.toolkit-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(1rem, 2vw, 1.75rem);
  margin-top: 3.5rem;
}

.toolkit-item {
  background-color: #FFFFFF;
  border: 1px solid var(--border-light);
  padding: 1.5rem;
  border-radius: 4px;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-fast);
}

.toolkit-item:hover {
  border-color: var(--accent-terracotta);
  transform: translateY(-2px);
}

.tool-category {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-terracotta);
  margin-bottom: 0.4rem;
}

.tool-name {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.35rem;
}

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

/* --------------------------------------------------------------------------
   TESTIMONIALS SECTION
   -------------------------------------------------------------------------- */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(1.5rem, 3vw, 2.5rem);
  margin-top: 3.5rem;
}

.testimonial-card {
  background-color: #FFFFFF;
  border: 1px solid var(--border-light);
  border-radius: 4px;
  padding: clamp(2rem, 3vw, 2.75rem);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: var(--shadow-subtle);
}

.quote-mark {
  font-family: var(--font-serif);
  font-size: 3.5rem;
  line-height: 1;
  color: var(--accent-terracotta);
  opacity: 0.4;
  margin-bottom: 0.5rem;
}

.testimonial-text {
  font-size: 0.95rem;
  line-height: 1.65;
  color: var(--text-secondary);
  margin-bottom: 2rem;
}

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

.author-avatar-initials {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-medium);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-weight: 600;
  color: var(--accent-terracotta);
  font-size: 1rem;
}

.author-info .author-name {
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--text-primary);
}

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

/* --------------------------------------------------------------------------
   INSIGHTS SECTION
   -------------------------------------------------------------------------- */
.insights-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(1.5rem, 3vw, 2.5rem);
  margin-top: 3.5rem;
}

.insight-card {
  background-color: #FFFFFF;
  border: 1px solid var(--border-light);
  border-radius: 4px;
  padding: clamp(2rem, 3vw, 2.5rem);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all var(--transition-base);
}

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

.insight-tag {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-terracotta);
  margin-bottom: 1rem;
}

.insight-title {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  line-height: 1.25;
  margin-bottom: 1rem;
  text-transform: uppercase;
}

.insight-excerpt {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.insight-link {
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-primary);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: color var(--transition-fast);
}

.insight-card:hover .insight-link {
  color: var(--accent-terracotta);
}

/* --------------------------------------------------------------------------
   FAQ SECTION (INTERACTIVE ACCORDION)
   -------------------------------------------------------------------------- */
.faq-accordion {
  max-width: 860px;
  margin: 3.5rem auto 0;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-item {
  background-color: #FFFFFF;
  border: 1px solid var(--border-light);
  border-radius: 4px;
  overflow: hidden;
  transition: border-color var(--transition-fast);
}

.faq-item:hover {
  border-color: var(--border-medium);
}

.faq-header {
  width: 100%;
  padding: 1.5rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  text-align: left;
  cursor: pointer;
  background: transparent;
}

.faq-question {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--text-primary);
  text-transform: uppercase;
  letter-spacing: 0.01em;
}

.faq-icon {
  font-size: 1.25rem;
  color: var(--accent-terracotta);
  transition: transform var(--transition-base);
  flex-shrink: 0;
}

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

.faq-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-base), padding var(--transition-base);
  padding: 0 2rem;
}

.faq-item.active .faq-body {
  max-height: 350px;
  padding: 0 2rem 1.75rem;
}

.faq-body p {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* --------------------------------------------------------------------------
   CONTACT SECTION (REQUIREMENTS 9, 10, 11, 12, 13, 14, 15)
   Dark background: #121316
   Two-column layout: Left details & WhatsApp CTA, Right premium form
   -------------------------------------------------------------------------- */
.contact-section {
  background-color: var(--bg-dark);
  color: var(--text-light);
  position: relative;
  overflow: hidden;
  padding-top: clamp(5rem, 8vw, 8.5rem);
  padding-bottom: clamp(5rem, 8vw, 8.5rem);
}

/* Subtle background architectural grid in contact */
.contact-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}

.contact-header-block {
  margin-bottom: clamp(3rem, 5vw, 4.5rem);
  position: relative;
  z-index: 1;
}

.contact-headline {
  font-family: var(--font-serif);
  font-size: clamp(2.5rem, 5.5vw, 4.5rem);
  line-height: 1.05;
  text-transform: uppercase;
  color: var(--text-light);
  letter-spacing: -0.02em;
  margin-bottom: 1.25rem;
}

.contact-supporting-copy {
  font-size: clamp(1.1rem, 1.5vw, 1.35rem);
  color: var(--text-light-muted);
  max-width: 720px;
  line-height: 1.6;
}

.contact-two-columns {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: clamp(2.5rem, 6vw, 5.5rem);
  position: relative;
  z-index: 1;
  align-items: flex-start;
}

/* Left Column: Direct Contact & Info */
.contact-left-col {
  display: flex;
  flex-direction: column;
}

.contact-left-heading {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 3.2vw, 3rem);
  line-height: 1.1;
  text-transform: uppercase;
  color: var(--text-light);
  margin-bottom: 2.5rem;
}

.contact-info-card {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  background-color: var(--bg-dark-card);
  border: 1px solid var(--border-dark);
  padding: clamp(2rem, 3vw, 2.75rem);
  border-radius: 6px;
}

.contact-person-meta .person-name {
  font-family: var(--font-serif);
  font-size: 1.65rem;
  font-weight: 500;
  text-transform: uppercase;
  color: var(--text-light);
  letter-spacing: 0.02em;
  line-height: 1.2;
}

.contact-person-meta .person-title {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-terracotta);
  margin-top: 0.35rem;
}

.contact-person-meta .person-location {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-light-muted);
  margin-top: 0.75rem;
}

.contact-detail-row {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.detail-label {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-light-muted);
}

.detail-value {
  font-size: 1.15rem;
  color: var(--text-light);
  font-weight: 500;
  transition: color var(--transition-fast);
}

.detail-value:hover {
  color: var(--accent-terracotta);
}

/* WhatsApp CTA Block (Requirement 15) */
.contact-whatsapp-block {
  border-top: 1px solid var(--border-dark);
  padding-top: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.whatsapp-note {
  font-size: 0.8125rem;
  color: var(--text-light-muted);
}

.social-links-row {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  border-top: 1px solid var(--border-dark);
  padding-top: 1.5rem;
}

.social-item-link {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-light-muted);
  transition: color var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.social-item-link:hover {
  color: #FFFFFF;
}

/* Right Column: Premium Contact Form (Requirement 10 & 11) */
.contact-form-wrap {
  background-color: var(--bg-dark-card);
  border: 1px solid var(--border-dark);
  border-radius: 8px;
  padding: clamp(2rem, 4vw, 3.5rem);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
  position: relative;
}

.form-header {
  margin-bottom: 2.25rem;
}

.form-title {
  font-family: var(--font-serif);
  font-size: clamp(1.75rem, 2.5vw, 2.25rem);
  color: var(--text-light);
  text-transform: uppercase;
  line-height: 1.2;
}

/* Form UX & Fields (Requirement 10 & 11) */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  position: relative;
}

.form-group-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.form-label {
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #E2E1EA;
}

.form-label span.req {
  color: var(--accent-terracotta);
}

.form-label span.opt {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--text-light-muted);
  font-weight: 400;
  letter-spacing: normal;
  text-transform: none;
}

/* Warm cream input backgrounds, dark text, terracotta focus state (Requirement 11) */
.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 1rem 1.25rem;
  background-color: #F8F6F0; /* Warm cream */
  color: #121316; /* Dark readable text */
  border: 1.5px solid transparent;
  border-radius: 6px;
  font-size: 0.95rem;
  font-weight: 500;
  line-height: 1.5;
  transition: all var(--transition-fast);
  outline: none;
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: #8C8B92;
  font-weight: 400;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  background-color: #FFFFFF;
  border-color: var(--accent-terracotta); /* Terracotta focus state */
  box-shadow: 0 0 0 3px rgba(200, 90, 50, 0.25);
}

.form-select {
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23121316' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1.25rem center;
  padding-right: 2.75rem;
  cursor: pointer;
}

.form-textarea {
  min-height: 140px;
  resize: vertical;
}

/* Frontend Validation Error States (Requirement 12) */
.form-group.has-error .form-input,
.form-group.has-error .form-select,
.form-group.has-error .form-textarea {
  border-color: #EF4444;
  background-color: #FFF5F5;
}

.form-error-msg {
  display: none;
  font-size: 0.75rem;
  font-weight: 500;
  color: #F87171;
  margin-top: 0.25rem;
}

.form-group.has-error .form-error-msg {
  display: block;
  animation: fadeIn 0.2s ease;
}

.btn-submit {
  width: 100%;
  padding: 1.2rem 2rem;
  font-size: 0.9375rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  background-color: var(--accent-terracotta);
  color: #FFFFFF;
  border: 1px solid var(--accent-terracotta);
  border-radius: 6px;
  margin-top: 0.75rem;
  transition: all var(--transition-base);
}

.btn-submit:hover {
  background-color: var(--accent-terracotta-hover);
  box-shadow: 0 8px 24px rgba(200, 90, 50, 0.4);
  transform: translateY(-2px);
}

.btn-submit:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  transform: none;
}

/* Success State Replacement (Requirement 13) */
.form-success-container {
  display: none;
  padding: 3rem 1.5rem;
  text-align: center;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.form-success-container.active {
  display: flex;
  animation: fadeIn 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.success-badge-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background-color: rgba(16, 185, 129, 0.15);
  border: 1px solid #10B981;
  color: #10B981;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  margin-bottom: 1.75rem;
}

.success-headline {
  font-family: var(--font-serif);
  font-size: clamp(2.25rem, 3.5vw, 3rem);
  text-transform: uppercase;
  color: var(--text-light);
  line-height: 1.1;
  margin-bottom: 0.75rem;
}

.success-message {
  font-size: 1.15rem;
  color: #FFFFFF;
  margin-bottom: 0.5rem;
}

.success-subtext {
  font-size: 0.95rem;
  color: var(--text-light-muted);
  max-width: 420px;
  margin-bottom: 2.5rem;
}

/* --------------------------------------------------------------------------
   FOOTER (REQUIREMENT 17)
   -------------------------------------------------------------------------- */
.footer {
  background-color: #0B0C0E;
  color: var(--text-light);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 4.5rem 0 2.5rem;
  position: relative;
  z-index: 10;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 3rem;
  padding-bottom: 3.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-brand .footer-name {
  font-family: var(--font-serif);
  font-size: 2rem;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  color: var(--text-light);
  line-height: 1;
}

.footer-brand .footer-tagline {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-terracotta);
  margin-top: 0.5rem;
}

.footer-brand .footer-location {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--text-light-muted);
  margin-top: 0.5rem;
}

.footer-nav {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 2rem;
}

.footer-nav-link {
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-light-muted);
  transition: color var(--transition-fast);
}

.footer-nav-link:hover {
  color: var(--text-light);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
  padding-top: 2rem;
}

.footer-social-row {
  display: flex;
  gap: 1.75rem;
}

.footer-social-link {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-light-muted);
  transition: color var(--transition-fast);
}

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

.footer-copyright {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.4);
}

/* --------------------------------------------------------------------------
   STICKY MOBILE CTA (REQUIREMENT 16)
   -------------------------------------------------------------------------- */
.sticky-mobile-cta {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background-color: rgba(18, 19, 22, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding: 0.85rem 1.25rem;
  z-index: 999;
}

.sticky-mobile-cta-btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  background-color: var(--accent-terracotta);
  color: #FFFFFF;
  padding: 0.85rem 1.5rem;
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: 4px;
  box-shadow: 0 4px 15px rgba(200, 90, 50, 0.35);
}

/* --------------------------------------------------------------------------
   CASE STUDY MODAL (EDITORIAL DEEP DIVE)
   -------------------------------------------------------------------------- */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background-color: rgba(18, 19, 22, 0.75);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: clamp(1rem, 3vw, 2.5rem);
}

.modal-backdrop.active {
  display: flex;
  animation: fadeIn 0.25s ease;
}

.modal-content {
  background-color: #FFFFFF;
  width: 100%;
  max-width: 900px;
  max-height: 90vh;
  border-radius: 8px;
  overflow-y: auto;
  box-shadow: var(--shadow-large);
  position: relative;
}

.modal-close-btn {
  position: sticky;
  top: 1.5rem;
  float: right;
  margin-right: 1.5rem;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: #FFFFFF;
  border: 1px solid var(--border-medium);
  box-shadow: var(--shadow-medium);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  color: var(--text-primary);
  z-index: 20;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.modal-close-btn:hover {
  background-color: var(--bg-dark);
  color: #FFFFFF;
}

.modal-body {
  padding: clamp(1.5rem, 4vw, 3.5rem);
}

.modal-header-img {
  width: 100%;
  border-radius: 6px;
  overflow: hidden;
  margin-bottom: 2rem;
  border: 1px solid var(--border-light);
  max-height: 380px;
}

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

/* --------------------------------------------------------------------------
   ANIMATIONS & KEYFRAMES
   -------------------------------------------------------------------------- */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* --------------------------------------------------------------------------
   RESPONSIVE MEDIA QUERIES (REQUIREMENT 7, 16, 20)
   -------------------------------------------------------------------------- */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 3.5rem;
  }

  .hero-right {
    order: -1;
  }

  .hero-portrait-stage {
    max-width: 420px;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .project-card-featured,
  .project-card-wide {
    grid-template-columns: 1fr;
  }

  .project-card-wide .project-visual-wrap {
    order: 0;
  }

  .project-card-wide .project-content {
    order: 1;
  }

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

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

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

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

  .contact-two-columns {
    grid-template-columns: 1fr;
    gap: 3.5rem;
  }
}

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

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

  .nav-toggle {
    display: flex;
  }

  /* Mobile Navigation Drawer */
  .mobile-drawer {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    width: 100%;
    background-color: var(--bg-primary);
    border-bottom: 1px solid var(--border-medium);
    padding: 2rem 1.5rem;
    display: none;
    flex-direction: column;
    gap: 1.25rem;
    box-shadow: var(--shadow-large);
    z-index: 998;
  }

  .mobile-drawer.active {
    display: flex;
    animation: fadeIn 0.25s ease;
  }

  .mobile-nav-link {
    font-size: 1.1rem;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--text-primary);
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border-light);
  }

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

  .process-grid,
  .toolkit-grid {
    grid-template-columns: 1fr;
  }

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

  .footer-top,
  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }

  .footer-nav {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }

  /* Sticky Mobile CTA active on mobile */
  .sticky-mobile-cta {
    display: block;
  }

  /* Extra bottom padding to avoid sticky bar collision */
  body {
    padding-bottom: 70px;
  }
}