/* ============================================
   XU MEDIA — Design System & Styles
   Brand Management & Digital Media Services
   ============================================ */

/* --- Google Fonts --- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Space+Grotesk:wght@400;500;600;700&display=swap');

/* --- CSS Variables / Design Tokens --- */
:root {
  /* Primary Palette */
  --white: #ffffff;
  --black: #0a0a0a;
  --stone: #b8a99a;
  --stone-light: #d4c8bb;
  --stone-dark: #8c7b6b;
  --metallic-blue: #4a7fb5;
  --metallic-blue-light: #6b9fd4;
  --navy: #1a2744;
  --navy-deep: #0f1a2e;
  --grey: #6b7280;
  --grey-light: #f3f4f6;
  --grey-medium: #9ca3af;
  --grey-dark: #374151;

  /* Functional Colors */
  --bg-primary: var(--white);
  --bg-dark: var(--navy-deep);
  --bg-section-alt: #f8f7f5;
  --text-primary: var(--black);
  --text-secondary: var(--grey);
  --text-light: rgba(255, 255, 255, 0.85);
  --accent: var(--metallic-blue);
  --accent-hover: var(--metallic-blue-light);
  --border: rgba(0, 0, 0, 0.08);

  /* Typography */
  --font-heading: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;

  /* Spacing Scale */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;

  /* Sizing */
  --container-max: 1200px;
  --container-narrow: 800px;
  --header-height: 72px;
  --border-radius: 12px;
  --border-radius-sm: 8px;
  --border-radius-lg: 20px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.12);
  --shadow-xl: 0 24px 60px rgba(0, 0, 0, 0.16);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 300ms ease;
  --transition-slow: 500ms ease;
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-size: 16px;
}

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

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

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

ul, ol {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* --- Utility --- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: var(--space-lg);
}

.section-tag::before {
  content: '';
  width: 24px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}

.section-heading {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  margin-bottom: var(--space-md);
}

.section-heading.light {
  color: var(--white);
}

.section-subtext {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 560px;
  line-height: 1.7;
}

.section-subtext.light {
  color: var(--text-light);
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 14px 32px;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: 50px;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--accent);
  color: var(--white);
  box-shadow: 0 4px 20px rgba(74, 127, 181, 0.3);
}

.btn-primary:hover {
  background: var(--accent-hover);
  box-shadow: 0 6px 28px rgba(74, 127, 181, 0.4);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border: 1.5px solid rgba(255, 255, 255, 0.3);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.5);
  transform: translateY(-2px);
}

.btn-dark {
  background: var(--navy);
  color: var(--white);
}

.btn-dark:hover {
  background: var(--navy-deep);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-arrow {
  display: inline-flex;
  align-items: center;
  transition: transform var(--transition-base);
}

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

/* --- Header / Navbar --- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  z-index: 1000;
  transition: all var(--transition-base);
}

.header.scrolled {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}

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

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.35rem;
  color: var(--white);
  z-index: 1001;
  transition: color var(--transition-base);
}

.header.scrolled .logo {
  color: var(--navy);
}

.logo img {
  width: 38px;
  height: 38px;
  border-radius: 8px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}

.nav-links a {
  font-size: 0.88rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.75);
  transition: color var(--transition-fast);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width var(--transition-base);
  border-radius: 2px;
}

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

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

.header.scrolled .nav-links a {
  color: var(--grey);
}

.header.scrolled .nav-links a:hover {
  color: var(--navy);
}

.nav-cta {
  padding: 10px 24px !important;
  font-size: 0.85rem !important;
  background: var(--accent) !important;
  color: var(--white) !important;
  border-radius: 50px;
  font-weight: 600 !important;
}

.nav-cta::after {
  display: none !important;
}

.nav-cta:hover {
  background: var(--accent-hover) !important;
  color: var(--white) !important;
  transform: translateY(-1px);
}

/* Mobile Menu Toggle */
.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  z-index: 1001;
  padding: 4px;
}

.mobile-toggle span {
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: all var(--transition-base);
}

.header.scrolled .mobile-toggle span {
  background: var(--navy);
}

.mobile-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translateY(7px);
}

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

.mobile-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translateY(-7px);
}

/* --- Hero Section --- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, var(--navy-deep) 0%, var(--navy) 40%, #2a4a6b 100%);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 80vw;
  height: 80vw;
  background: radial-gradient(circle, rgba(74, 127, 181, 0.15) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 60vw;
  height: 60vw;
  background: radial-gradient(circle, rgba(184, 169, 154, 0.08) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

/* Subtle grid pattern overlay */
.hero-grid {
  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;
}

.hero .container {
  position: relative;
  z-index: 2;
  padding-top: var(--header-height);
}

.hero-content {
  max-width: 720px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 50px;
  padding: 8px 20px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--stone-light);
  margin-bottom: var(--space-xl);
  backdrop-filter: blur(10px);
  animation: fadeInUp 0.8s ease;
}

.hero-badge .dot {
  width: 6px;
  height: 6px;
  background: #34d399;
  border-radius: 50%;
  animation: pulse 2s infinite;
}

.hero h1 {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 6vw, 4.2rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.04em;
  color: var(--white);
  margin-bottom: var(--space-lg);
  animation: fadeInUp 0.8s ease 0.1s both;
}

.hero h1 .accent {
  background: linear-gradient(135deg, var(--metallic-blue-light), var(--stone-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-description {
  font-size: 1.15rem;
  color: rgba(255, 255, 255, 0.65);
  max-width: 520px;
  line-height: 1.75;
  margin-bottom: var(--space-2xl);
  animation: fadeInUp 0.8s ease 0.2s both;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  animation: fadeInUp 0.8s ease 0.3s both;
}

.hero-stats {
  display: flex;
  gap: var(--space-3xl);
  margin-top: var(--space-4xl);
  animation: fadeInUp 0.8s ease 0.4s both;
}

.hero-stat {
  position: relative;
}

.hero-stat::after {
  content: '';
  position: absolute;
  right: calc(-1 * var(--space-xl));
  top: 0;
  height: 100%;
  width: 1px;
  background: rgba(255, 255, 255, 0.1);
}

.hero-stat:last-child::after {
  display: none;
}

.hero-stat .number {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--white);
  line-height: 1;
}

.hero-stat .label {
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.45);
  margin-top: var(--space-xs);
}

/* Floating shapes decorations */
.floating-shapes {
  position: absolute;
  top: 0;
  right: 0;
  width: 45%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
}

.floating-shape {
  position: absolute;
  border-radius: var(--border-radius);
  opacity: 0.08;
}

.floating-shape:nth-child(1) {
  width: 300px;
  height: 300px;
  top: 20%;
  right: 10%;
  background: var(--metallic-blue);
  transform: rotate(15deg);
  animation: float 8s ease-in-out infinite;
}

.floating-shape:nth-child(2) {
  width: 200px;
  height: 200px;
  top: 55%;
  right: 25%;
  background: var(--stone);
  transform: rotate(-10deg);
  animation: float 10s ease-in-out infinite reverse;
}

.floating-shape:nth-child(3) {
  width: 150px;
  height: 150px;
  top: 35%;
  right: 35%;
  background: var(--white);
  border-radius: 50%;
  animation: float 6s ease-in-out infinite 2s;
}

/* --- Services Section --- */
.services {
  padding: var(--space-4xl) 0;
  background: var(--bg-section-alt);
}

.services-header {
  text-align: center;
  margin-bottom: var(--space-3xl);
}

.services-header .section-subtext {
  margin: 0 auto;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

.service-card {
  background: var(--white);
  border-radius: var(--border-radius-lg);
  padding: var(--space-2xl);
  border: 1px solid var(--border);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--metallic-blue), var(--stone));
  opacity: 0;
  transition: opacity var(--transition-base);
}

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

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

.service-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--border-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-lg);
  font-size: 1.5rem;
  background: linear-gradient(135deg, rgba(74, 127, 181, 0.1), rgba(74, 127, 181, 0.05));
  color: var(--accent);
}

.service-card h3 {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--space-md);
  color: var(--navy);
}

.service-card p {
  font-size: 0.92rem;
  color: var(--grey);
  line-height: 1.7;
}

.service-card .service-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  margin-top: var(--space-lg);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
  transition: gap var(--transition-base);
}

.service-card:hover .service-link {
  gap: var(--space-sm);
}

/* --- About / Why Choose Us Section --- */
.about {
  padding: var(--space-4xl) 0;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
}

.about-visual {
  position: relative;
}

.about-image-wrapper {
  position: relative;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  aspect-ratio: 4 / 3;
  background: linear-gradient(135deg, var(--navy), var(--navy-deep));
}

.about-image-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.about-image-wrapper .stats-badge {
  position: absolute;
  bottom: 24px;
  right: 24px;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--border-radius);
  padding: var(--space-lg);
  color: var(--white);
}

.stats-badge .big-number {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1;
}

.stats-badge .badge-label {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.7);
  margin-top: 4px;
}

.about-content .section-heading {
  margin-bottom: var(--space-lg);
}

.about-text {
  font-size: 1rem;
  color: var(--grey);
  line-height: 1.8;
  margin-bottom: var(--space-xl);
}

.about-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
}

.about-feature {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
}

.about-feature .check {
  width: 22px;
  height: 22px;
  min-width: 22px;
  border-radius: 50%;
  background: rgba(74, 127, 181, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 2px;
}

.about-feature .check svg {
  width: 12px;
  height: 12px;
  color: var(--accent);
}

.about-feature span {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--navy);
}

/* --- Portfolio / Work Section --- */
.portfolio {
  padding: var(--space-4xl) 0;
  background: var(--navy-deep);
  position: relative;
  overflow: hidden;
}

.portfolio::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 40vw;
  height: 40vw;
  background: radial-gradient(circle, rgba(74, 127, 181, 0.08) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.portfolio-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: var(--space-3xl);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

.portfolio-card {
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  position: relative;
  aspect-ratio: 4 / 3;
  cursor: pointer;
  transition: transform var(--transition-base);
}

.portfolio-card:hover {
  transform: translateY(-4px);
}

.portfolio-card .card-bg-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

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

.portfolio-card .card-content {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--space-xl);
  background: linear-gradient(to top, rgba(0, 0, 0, 0.7), transparent);
  transform: translateY(20px);
  opacity: 0;
  transition: all var(--transition-base);
}

.portfolio-card:hover .card-content {
  transform: translateY(0);
  opacity: 1;
}

.card-content .card-tag {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--stone-light);
  margin-bottom: var(--space-sm);
}

.card-content h3 {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--white);
}

/* --- Process / How We Work --- */
.process {
  padding: var(--space-4xl) 0;
  background: var(--bg-section-alt);
}

.process-header {
  text-align: center;
  margin-bottom: var(--space-3xl);
}

.process-header .section-subtext {
  margin: 0 auto;
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-xl);
  position: relative;
}

.process-steps::before {
  content: '';
  position: absolute;
  top: 40px;
  left: 12.5%;
  right: 12.5%;
  height: 2px;
  background: linear-gradient(90deg, var(--metallic-blue), var(--stone), var(--metallic-blue));
  opacity: 0.2;
}

.process-step {
  text-align: center;
  position: relative;
}

.step-number {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--white);
  border: 2px solid rgba(74, 127, 181, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-lg);
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--accent);
  position: relative;
  z-index: 1;
  transition: all var(--transition-base);
}

.process-step:hover .step-number {
  background: var(--accent);
  color: var(--white);
  border-color: var(--accent);
  box-shadow: 0 4px 20px rgba(74, 127, 181, 0.3);
}

.process-step h3 {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: var(--space-sm);
}

.process-step p {
  font-size: 0.88rem;
  color: var(--grey);
  line-height: 1.65;
}

/* --- Testimonials Section --- */
.testimonials {
  padding: var(--space-4xl) 0;
}

.testimonials-header {
  text-align: center;
  margin-bottom: var(--space-3xl);
}

.testimonials-header .section-subtext {
  margin: 0 auto;
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

.testimonial-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--border-radius-lg);
  padding: var(--space-2xl);
  transition: all var(--transition-base);
}

.testimonial-card:hover {
  box-shadow: var(--shadow-md);
  border-color: transparent;
}

.testimonial-stars {
  display: flex;
  gap: 2px;
  margin-bottom: var(--space-md);
}

.testimonial-stars svg {
  width: 16px;
  height: 16px;
  color: #f59e0b;
  fill: #f59e0b;
}

.testimonial-card blockquote {
  font-size: 0.95rem;
  color: var(--grey-dark);
  line-height: 1.75;
  margin-bottom: var(--space-lg);
  font-style: normal;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.testimonial-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1rem;
  color: var(--white);
}

.testimonial-card:nth-child(1) .testimonial-avatar {
  background: linear-gradient(135deg, var(--metallic-blue), var(--navy));
}

.testimonial-card:nth-child(2) .testimonial-avatar {
  background: linear-gradient(135deg, var(--stone), var(--stone-dark));
}

.testimonial-card:nth-child(3) .testimonial-avatar {
  background: linear-gradient(135deg, var(--navy), var(--metallic-blue));
}

.testimonial-info .name {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--navy);
}

.testimonial-info .role {
  font-size: 0.8rem;
  color: var(--grey);
}

/* --- CTA Section --- */
.cta {
  padding: var(--space-4xl) 0;
  background: linear-gradient(135deg, var(--navy-deep) 0%, var(--navy) 50%, #2a4a6b 100%);
  position: relative;
  overflow: hidden;
}

.cta::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 60vw;
  height: 60vw;
  background: radial-gradient(circle, rgba(74, 127, 181, 0.12) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.cta-content {
  text-align: center;
  position: relative;
  z-index: 2;
}

.cta-content .section-heading {
  color: var(--white);
  max-width: 600px;
  margin: 0 auto var(--space-md);
}

.cta-content .section-subtext {
  color: rgba(255, 255, 255, 0.6);
  margin: 0 auto var(--space-2xl);
  text-align: center;
}

.cta-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
}

/* --- Contact Section --- */
.contact {
  padding: var(--space-4xl) 0;
  background: var(--bg-section-alt);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--space-3xl);
}

.contact-info h2 {
  font-family: var(--font-heading);
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  font-weight: 700;
  color: var(--navy);
  margin-bottom: var(--space-md);
  line-height: 1.2;
}

.contact-info > p {
  font-size: 1rem;
  color: var(--grey);
  line-height: 1.7;
  margin-bottom: var(--space-2xl);
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
}

.contact-item-icon {
  width: 44px;
  height: 44px;
  min-width: 44px;
  border-radius: var(--border-radius-sm);
  background: rgba(74, 127, 181, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
}

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

.contact-item-text .item-label {
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--grey);
  margin-bottom: 2px;
}

.contact-item-text .item-value {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--navy);
}

/* Contact Form */
.contact-form-wrapper {
  background: var(--white);
  border-radius: var(--border-radius-lg);
  padding: var(--space-2xl);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.form-group label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--navy);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid rgba(0, 0, 0, 0.1);
  border-radius: var(--border-radius-sm);
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--text-primary);
  background: var(--white);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--grey-medium);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(74, 127, 181, 0.1);
}

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

.form-submit {
  align-self: flex-start;
}

/* --- Footer --- */
.footer {
  background: var(--navy-deep);
  padding: var(--space-3xl) 0 var(--space-xl);
}

.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: var(--space-2xl);
  padding-bottom: var(--space-2xl);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-brand .logo {
  margin-bottom: var(--space-md);
}

.footer-brand p {
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.5);
  line-height: 1.7;
  max-width: 280px;
}

.footer-social {
  display: flex;
  gap: var(--space-sm);
  margin-top: var(--space-lg);
}

.footer-social a {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.5);
  transition: all var(--transition-fast);
}

.footer-social a:hover {
  background: var(--accent);
  color: var(--white);
}

.footer-social a svg {
  width: 16px;
  height: 16px;
}

.footer-col h4 {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--white);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-lg);
}

.footer-col ul li {
  margin-bottom: var(--space-sm);
}

.footer-col ul li a {
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.45);
  transition: color var(--transition-fast);
}

.footer-col ul li a:hover {
  color: var(--white);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-xl);
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.35);
}

.footer-bottom-links {
  display: flex;
  gap: var(--space-lg);
}

.footer-bottom-links a {
  color: rgba(255, 255, 255, 0.35);
}

.footer-bottom-links a:hover {
  color: var(--white);
}

/* --- Scroll Animations --- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

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

/* --- Keyframe Animations --- */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

@keyframes float {
  0%, 100% { transform: translateY(0) rotate(15deg); }
  50% { transform: translateY(-20px) rotate(15deg); }
}

/* =============================================
   RESPONSIVE BREAKPOINTS
   ============================================= */

/* Tablet */
@media (max-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .portfolio-card:nth-child(3) {
    grid-column: span 2;
    aspect-ratio: 2 / 1;
  }

  .process-steps {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-2xl);
  }

  .process-steps::before {
    display: none;
  }

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

  .testimonials-grid .testimonial-card:nth-child(3) {
    grid-column: span 2;
    max-width: 500px;
    justify-self: center;
  }

  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
  }
}

/* Mobile Large */
@media (max-width: 768px) {
  :root {
    --space-4xl: 4rem;
  }

  /* Mobile Navigation */
  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 360px;
    height: 100vh;
    background: var(--navy-deep);
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    padding: var(--space-3xl);
    gap: var(--space-lg);
    transition: right var(--transition-base);
    box-shadow: -10px 0 40px rgba(0, 0, 0, 0.3);
  }

  .nav-links.active {
    right: 0;
  }

  .nav-links a {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.75) !important;
  }

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

  .mobile-toggle {
    display: flex;
  }

  .mobile-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-base);
  }

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

  /* Hero Mobile */
  .hero h1 {
    font-size: clamp(2rem, 8vw, 2.8rem);
  }

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

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

  .hero-stats {
    gap: var(--space-xl);
    margin-top: var(--space-2xl);
  }

  .hero-stat .number {
    font-size: 1.6rem;
  }

  .floating-shapes {
    display: none;
  }

  /* About Mobile */
  .about-grid {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }

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

  /* Services Mobile */
  .services-grid {
    grid-template-columns: 1fr;
  }

  /* Portfolio Mobile */
  .portfolio-header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-md);
  }

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

  .portfolio-card:nth-child(3) {
    grid-column: auto;
    aspect-ratio: 4 / 3;
  }

  .portfolio-card .card-content {
    transform: translateY(0);
    opacity: 1;
  }

  /* Process Mobile */
  .process-steps {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }

  /* Testimonials Mobile */
  .testimonials-grid {
    grid-template-columns: 1fr;
  }

  .testimonials-grid .testimonial-card:nth-child(3) {
    grid-column: auto;
    max-width: none;
  }

  /* CTA Mobile */
  .cta-actions {
    flex-direction: column;
  }

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

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

  /* Footer Mobile */
  .footer-top {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }

  .footer-bottom {
    flex-direction: column;
    gap: var(--space-md);
    text-align: center;
  }
}

/* Mobile Small */
@media (max-width: 480px) {
  .container {
    padding: 0 var(--space-md);
  }

  .hero-stats {
    flex-direction: column;
    gap: var(--space-lg);
  }

  .hero-stat::after {
    display: none;
  }

  .section-heading {
    font-size: clamp(1.6rem, 6vw, 2rem);
  }

  .service-card {
    padding: var(--space-xl);
  }

  .btn {
    padding: 12px 24px;
    font-size: 0.85rem;
  }
}

/* --- Print Styles --- */
@media print {
  .header, .floating-shapes, .hero-grid {
    display: none;
  }

  .hero {
    min-height: auto;
    padding: 2rem 0;
    background: white;
    color: black;
  }
}