/* ============================================================
   DIGITAL GROWTH - PERSONAL WEBSITE STYLES
   A modern, dark-themed, responsive website for a 
   Digital Marketing Professional based in Chennai
   ============================================================ */

/* ==================== CSS CUSTOM PROPERTIES ==================== */
:root {
  /* Colors */
  --color-bg-primary: #0a0a0f;
  --color-bg-secondary: #111118;
  --color-bg-tertiary: #1a1a24;
  --color-bg-card: #15151f;
  --color-bg-card-hover: #1c1c2a;

  --color-text-primary: #f0f0f5;
  --color-text-secondary: #a0a0b8;
  --color-text-muted: #6b6b80;

  --color-accent-1: #6c5ce7;
  --color-accent-2: #00cec9;
  --color-accent-3: #fd79a8;
  --color-accent-gradient: linear-gradient(135deg, #6c5ce7 0%, #00cec9 50%, #fd79a8 100%);
  --color-accent-gradient-text: linear-gradient(135deg, #6c5ce7 0%, #00cec9 100%);

  --color-border: rgba(255, 255, 255, 0.06);
  --color-border-hover: rgba(255, 255, 255, 0.12);

  --color-success: #00b894;
  --color-error: #ff6b6b;
  --color-warning: #fdcb6e;

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

  --fs-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.8125rem);
  --fs-sm: clamp(0.8125rem, 0.775rem + 0.25vw, 0.875rem);
  --fs-base: clamp(0.9375rem, 0.9rem + 0.25vw, 1rem);
  --fs-md: clamp(1rem, 0.95rem + 0.35vw, 1.125rem);
  --fs-lg: clamp(1.125rem, 1rem + 0.5vw, 1.25rem);
  --fs-xl: clamp(1.25rem, 1.1rem + 0.75vw, 1.5rem);
  --fs-2xl: clamp(1.5rem, 1.25rem + 1.25vw, 2rem);
  --fs-3xl: clamp(1.875rem, 1.5rem + 1.875vw, 2.5rem);
  --fs-4xl: clamp(2.25rem, 1.75rem + 2.5vw, 3.25rem);
  --fs-5xl: clamp(2.75rem, 2rem + 3.75vw, 4.5rem);

  /* Spacing */
  --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;
  --space-5xl: 8rem;

  --section-padding: clamp(4rem, 3rem + 5vw, 8rem);

  /* Layout */
  --container-max: 1200px;
  --container-padding: clamp(1rem, 0.5rem + 2vw, 2rem);

  /* Effects */
  --radius-sm: 0.375rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-full: 9999px;

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 30px rgba(108, 92, 231, 0.15);

  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;
  --transition-spring: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: var(--fs-base);
  line-height: 1.7;
  color: var(--color-text-primary);
  background-color: var(--color-bg-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img, picture, video, canvas, svg {
  display: block;
  max-width: 100%;
}

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

a {
  color: var(--color-accent-2);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-accent-1);
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--color-accent-1);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

ul {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  line-height: 1.2;
  font-weight: 700;
  color: var(--color-text-primary);
}

::selection {
  background: var(--color-accent-1);
  color: #fff;
}

/* ==================== UTILITY CLASSES ==================== */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-padding);
}

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

.skip-link {
  position: fixed;
  top: -100%;
  left: var(--space-md);
  z-index: 10000;
  background: var(--color-accent-1);
  color: #fff;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm);
  font-weight: 600;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: var(--space-md);
}

/* ==================== ANNOUNCEMENT BAR ==================== */
.announcement-bar {
  background: var(--color-accent-gradient);
  padding: var(--space-sm) var(--space-md);
  text-align: center;
  font-size: var(--fs-sm);
  color: #fff;
  position: relative;
  z-index: 1001;
}

.announcement-bar a {
  color: #fff;
  text-decoration: underline;
  text-underline-offset: 3px;
  font-weight: 600;
}

.announcement-bar a:hover {
  color: #fff;
  text-decoration-thickness: 2px;
}

/* ==================== HEADER / NAVIGATION ==================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(10, 10, 15, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
  transition: transform var(--transition-base), background var(--transition-base);
  transform: translateY(36px);
}

.header.scrolled {
  transform: translateY(0);
  background: rgba(10, 10, 15, 0.95);
}

.header.hide-announcement {
  transform: translateY(0);
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-heading);
  font-size: var(--fs-xl);
  font-weight: 700;
  color: var(--color-text-primary);
  text-decoration: none;
}

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

.logo-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: var(--color-accent-gradient);
  color: #fff;
  border-radius: var(--radius-md);
  font-size: 1rem;
}

.logo-highlight {
  color: var(--color-accent-2);
}

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

.nav-link {
  padding: var(--space-sm) var(--space-md);
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--color-text-secondary);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  position: relative;
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-text-primary);
  background: rgba(255, 255, 255, 0.05);
}

.nav-link.cta-link {
  background: var(--color-accent-1);
  color: #fff;
  font-weight: 600;
  margin-left: var(--space-sm);
}

.nav-link.cta-link:hover {
  background: #5a4bd4;
  color: #fff;
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-sm);
  z-index: 1001;
}

.hamburger .bar {
  width: 24px;
  height: 2px;
  background: var(--color-text-primary);
  border-radius: 2px;
  transition: all var(--transition-base);
}

.hamburger.active .bar:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active .bar:nth-child(2) {
  opacity: 0;
}

.hamburger.active .bar:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ==================== HERO SECTION ==================== */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  padding-top: calc(72px + 36px + var(--space-3xl));
  padding-bottom: var(--space-3xl);
  overflow: hidden;
}

.hero-bg-effects {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.gradient-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.4;
  animation: float 8s ease-in-out infinite;
}

.orb-1 {
  width: 600px;
  height: 600px;
  background: var(--color-accent-1);
  top: -200px;
  right: -200px;
  opacity: 0.15;
  animation-delay: 0s;
}

.orb-2 {
  width: 400px;
  height: 400px;
  background: var(--color-accent-2);
  bottom: -100px;
  left: -100px;
  opacity: 0.1;
  animation-delay: -3s;
}

.orb-3 {
  width: 300px;
  height: 300px;
  background: var(--color-accent-3);
  top: 50%;
  left: 50%;
  opacity: 0.08;
  animation-delay: -5s;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -30px) scale(1.05); }
  66% { transform: translate(-20px, 20px) scale(0.95); }
}

.grid-overlay {
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 850px;
  margin-inline: auto;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-lg);
  background: rgba(108, 92, 231, 0.1);
  border: 1px solid rgba(108, 92, 231, 0.2);
  border-radius: var(--radius-full);
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--color-accent-2);
  margin-bottom: var(--space-xl);
  animation: fadeInUp 0.6s ease-out;
}

.badge-dot {
  width: 8px;
  height: 8px;
  background: var(--color-accent-2);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.3); }
}

.hero-title {
  font-size: var(--fs-5xl);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-xl);
  animation: fadeInUp 0.6s ease-out 0.1s both;
}

.hero-subtitle-line {
  display: block;
  font-size: var(--fs-3xl);
  font-weight: 600;
  color: var(--color-text-secondary);
  margin-top: var(--space-sm);
}

.hero-description {
  font-size: var(--fs-lg);
  color: var(--color-text-secondary);
  max-width: 680px;
  margin-inline: auto;
  margin-bottom: var(--space-2xl);
  animation: fadeInUp 0.6s ease-out 0.2s both;
}

.hero-cta-group {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: var(--space-3xl);
  animation: fadeInUp 0.6s ease-out 0.3s both;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 0.875rem 1.75rem;
  font-family: var(--font-heading);
  font-size: var(--fs-sm);
  font-weight: 600;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--color-accent-1);
  color: #fff;
  box-shadow: 0 4px 15px rgba(108, 92, 231, 0.3);
}

.btn-primary:hover {
  background: #5a4bd4;
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(108, 92, 231, 0.4);
}

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

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

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--color-accent-1);
  color: var(--color-text-primary);
}

.btn-lg {
  padding: 1rem 2rem;
  font-size: var(--fs-base);
}

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

/* Hero Trust Signals */
.hero-trust-signals {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2xl);
  animation: fadeInUp 0.6s ease-out 0.4s both;
}

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

.trust-number {
  display: block;
  font-family: var(--font-heading);
  font-size: var(--fs-3xl);
  font-weight: 800;
  color: var(--color-text-primary);
}

.trust-plus {
  font-family: var(--font-heading);
  font-size: var(--fs-2xl);
  font-weight: 700;
  color: var(--color-accent-2);
}

.trust-label {
  display: block;
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: var(--space-xs);
}

.trust-divider {
  width: 1px;
  height: 48px;
  background: var(--color-border);
}

/* Scroll Indicator */
.hero-scroll-indicator {
  position: absolute;
  bottom: var(--space-2xl);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  color: var(--color-text-muted);
  font-size: var(--fs-xs);
  animation: fadeInUp 0.6s ease-out 0.6s both;
}

.scroll-mouse {
  width: 24px;
  height: 38px;
  border: 2px solid var(--color-text-muted);
  border-radius: 12px;
  position: relative;
}

.scroll-wheel {
  width: 4px;
  height: 8px;
  background: var(--color-text-muted);
  border-radius: 2px;
  position: absolute;
  top: 6px;
  left: 50%;
  transform: translateX(-50%);
  animation: scrollDown 1.5s ease-in-out infinite;
}

@keyframes scrollDown {
  0% { opacity: 1; transform: translateX(-50%) translateY(0); }
  100% { opacity: 0; transform: translateX(-50%) translateY(12px); }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ==================== SECTION COMMON STYLES ==================== */
section {
  padding-block: var(--section-padding);
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin-inline: auto;
  margin-bottom: var(--space-3xl);
}

.section-tag {
  display: inline-block;
  font-size: var(--fs-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-accent-2);
  margin-bottom: var(--space-md);
  padding: var(--space-xs) var(--space-md);
  background: rgba(0, 206, 201, 0.1);
  border: 1px solid rgba(0, 206, 201, 0.2);
  border-radius: var(--radius-full);
}

.section-title {
  font-size: var(--fs-4xl);
  margin-bottom: var(--space-md);
}

.section-subtitle {
  font-size: var(--fs-lg);
  color: var(--color-text-secondary);
}

.subsection-title {
  font-size: var(--fs-2xl);
  text-align: center;
  margin-bottom: var(--space-2xl);
  margin-top: var(--space-4xl);
}

/* ==================== ABOUT SECTION ==================== */
.about {
  background: var(--color-bg-secondary);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--space-4xl);
  align-items: center;
}

.about-image-wrapper {
  position: relative;
}

.about-image-placeholder {
  aspect-ratio: 4/5;
  background: var(--color-bg-tertiary);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  color: var(--color-text-muted);
}

.placeholder-icon svg {
  stroke: var(--color-text-muted);
}

.placeholder-text {
  font-size: var(--fs-sm);
}

.about-experience-badge {
  position: absolute;
  bottom: -20px;
  right: -20px;
  background: var(--color-accent-gradient);
  border-radius: var(--radius-lg);
  padding: var(--space-lg) var(--space-xl);
  text-align: center;
  box-shadow: var(--shadow-lg);
}

.exp-number {
  display: block;
  font-family: var(--font-heading);
  font-size: var(--fs-3xl);
  font-weight: 800;
  color: #fff;
}

.exp-text {
  display: block;
  font-size: var(--fs-xs);
  color: rgba(255, 255, 255, 0.85);
  font-weight: 500;
}

.about-content .about-intro {
  font-size: var(--fs-xl);
  font-weight: 600;
  margin-bottom: var(--space-lg);
  line-height: 1.5;
}

.about-content p {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-md);
}

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

.highlight-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  padding: var(--space-md);
  background: var(--color-bg-tertiary);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  transition: border-color var(--transition-base);
}

.highlight-item:hover {
  border-color: var(--color-accent-1);
}

.highlight-icon {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background: rgba(108, 92, 231, 0.1);
}

.highlight-icon svg {
  stroke: var(--color-accent-2);
  width: 18px;
  height: 18px;
}

.highlight-item strong {
  display: block;
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--color-text-primary);
}

.highlight-item span {
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
}

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

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

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--color-accent-gradient);
  opacity: 0;
  transition: opacity var(--transition-base);
}

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

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

.service-card.featured {
  border-color: rgba(108, 92, 231, 0.3);
  background: linear-gradient(180deg, rgba(108, 92, 231, 0.05) 0%, var(--color-bg-card) 100%);
}

.service-badge {
  position: absolute;
  top: var(--space-lg);
  right: var(--space-lg);
  padding: var(--space-xs) var(--space-md);
  background: var(--color-accent-gradient);
  color: #fff;
  font-size: var(--fs-xs);
  font-weight: 600;
  border-radius: var(--radius-full);
}

.service-icon-wrapper {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: var(--space-xl);
}

.service-icon {
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(108, 92, 231, 0.1);
  border-radius: var(--radius-lg);
  transition: background var(--transition-base);
}

.service-card:hover .service-icon {
  background: rgba(108, 92, 231, 0.2);
}

.service-icon svg {
  stroke: var(--color-accent-2);
}

.service-number {
  font-family: var(--font-heading);
  font-size: var(--fs-4xl);
  font-weight: 800;
  color: rgba(255, 255, 255, 0.03);
  line-height: 1;
}

.service-card h3 {
  font-size: var(--fs-xl);
  margin-bottom: var(--space-md);
}

.service-card p {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-lg);
  font-size: var(--fs-sm);
}

.service-features {
  margin-bottom: var(--space-xl);
}

.service-features li {
  padding: var(--space-sm) 0;
  font-size: var(--fs-sm);
  color: var(--color-text-secondary);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.service-features li::before {
  content: '✦';
  color: var(--color-accent-2);
  font-size: 0.6em;
  flex-shrink: 0;
}

.service-cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--color-accent-2);
  transition: gap var(--transition-base);
}

.service-cta:hover {
  gap: var(--space-md);
  color: var(--color-accent-2);
}

/* ==================== RESULTS / STATS SECTION ==================== */
.results {
  background: var(--color-bg-secondary);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
}

.stat-card {
  text-align: center;
  padding: var(--space-2xl);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  transition: all var(--transition-base);
}

.stat-card:hover {
  border-color: var(--color-accent-1);
  transform: translateY(-2px);
}

.stat-icon {
  font-size: 2rem;
  margin-bottom: var(--space-md);
}

.stat-value {
  font-family: var(--font-heading);
  font-size: var(--fs-3xl);
  font-weight: 800;
  color: var(--color-text-primary);
  margin-bottom: var(--space-sm);
}

.stat-value .counter {
  display: inline;
}

.stat-label {
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
}

/* Case Studies */
.case-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

.case-card {
  padding: var(--space-2xl);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  transition: all var(--transition-base);
}

.case-card:hover {
  border-color: var(--color-border-hover);
  transform: translateY(-2px);
}

.case-category {
  display: inline-block;
  padding: var(--space-xs) var(--space-md);
  background: rgba(108, 92, 231, 0.1);
  color: var(--color-accent-2);
  font-size: var(--fs-xs);
  font-weight: 600;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-md);
}

.case-card h4 {
  font-size: var(--fs-lg);
  margin-bottom: var(--space-md);
}

.case-card p {
  color: var(--color-text-secondary);
  font-size: var(--fs-sm);
  margin-bottom: var(--space-lg);
}

.case-metrics {
  display: flex;
  gap: var(--space-xl);
}

.case-metric {
  display: flex;
  flex-direction: column;
}

.metric-value {
  font-family: var(--font-heading);
  font-size: var(--fs-xl);
  font-weight: 700;
  color: var(--color-accent-2);
}

.metric-label {
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
}

/* ==================== PROCESS SECTION ==================== */
.process-timeline {
  position: relative;
  max-width: 800px;
  margin-inline: auto;
}

.timeline-line {
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--color-border);
  transform: translateX(-50%);
}

.process-step {
  display: flex;
  align-items: center;
  gap: var(--space-2xl);
  margin-bottom: var(--space-3xl);
  position: relative;
}

.process-step:nth-child(even) {
  flex-direction: row-reverse;
  text-align: right;
}

.step-number {
  flex-shrink: 0;
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-accent-gradient);
  color: #fff;
  font-family: var(--font-heading);
  font-size: var(--fs-lg);
  font-weight: 800;
  border-radius: 50%;
  z-index: 1;
}

.step-content {
  flex: 1;
  padding: var(--space-xl);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: border-color var(--transition-base);
}

.step-content:hover {
  border-color: var(--color-accent-1);
}

.step-content h3 {
  font-size: var(--fs-xl);
  margin-bottom: var(--space-sm);
}

.step-content p {
  color: var(--color-text-secondary);
  font-size: var(--fs-sm);
}

/* ==================== INDUSTRIES SECTION ==================== */
.industries {
  background: var(--color-bg-secondary);
}

.industries-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-md);
}

.industry-chip {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-lg);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--color-text-secondary);
  transition: all var(--transition-base);
  cursor: default;
}

.industry-chip:hover {
  border-color: var(--color-accent-1);
  background: var(--color-bg-card-hover);
  color: var(--color-text-primary);
  transform: translateY(-2px);
}

/* ==================== TESTIMONIALS SECTION ==================== */
.testimonial-slider {
  max-width: 800px;
  margin-inline: auto;
  overflow: hidden;
}

.testimonial-track {
  display: flex;
  transition: transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.testimonial-card {
  min-width: 100%;
  padding: var(--space-3xl);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  text-align: center;
}

.testimonial-rating {
  font-size: var(--fs-xl);
  color: var(--color-warning);
  margin-bottom: var(--space-lg);
}

.testimonial-text {
  font-size: var(--fs-lg);
  color: var(--color-text-secondary);
  line-height: 1.8;
  font-style: italic;
  margin-bottom: var(--space-2xl);
}

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

.author-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-accent-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 700;
  font-size: var(--fs-sm);
}

.author-info {
  text-align: left;
}

.author-name {
  display: block;
  font-weight: 600;
  font-style: normal;
  color: var(--color-text-primary);
}

.author-role {
  display: block;
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
}

.testimonial-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  margin-top: var(--space-xl);
}

.slider-btn {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: 50%;
  cursor: pointer;
  transition: all var(--transition-base);
  color: var(--color-text-secondary);
}

.slider-btn:hover {
  border-color: var(--color-accent-1);
  color: var(--color-text-primary);
}

.slider-dots {
  display: flex;
  gap: var(--space-sm);
}

.slider-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-border);
  border: none;
  cursor: pointer;
  transition: all var(--transition-base);
  padding: 0;
}

.slider-dot.active {
  background: var(--color-accent-1);
  width: 28px;
  border-radius: 5px;
}

/* ==================== FAQ SECTION ==================== */
.faq {
  background: var(--color-bg-secondary);
}

.faq-grid {
  max-width: 800px;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

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

.faq-item:hover,
.faq-item[open] {
  border-color: var(--color-accent-1);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  padding: var(--space-lg) var(--space-xl);
  font-weight: 600;
  font-size: var(--fs-md);
  cursor: pointer;
  list-style: none;
  user-select: none;
}

.faq-question::-webkit-details-marker {
  display: none;
}

.faq-icon {
  flex-shrink: 0;
  transition: transform var(--transition-base);
  stroke: var(--color-text-muted);
}

.faq-item[open] .faq-icon {
  transform: rotate(45deg);
  stroke: var(--color-accent-1);
}

.faq-answer {
  padding: 0 var(--space-xl) var(--space-xl);
  color: var(--color-text-secondary);
  font-size: var(--fs-sm);
  line-height: 1.8;
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ==================== CTA SECTION ==================== */
.cta-section {
  padding-block: var(--space-2xl);
}

.cta-card {
  background: var(--color-accent-gradient);
  border-radius: var(--radius-xl);
  padding: var(--space-4xl) var(--space-2xl);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.cta-content {
  position: relative;
  z-index: 1;
}

.cta-content h2 {
  font-size: var(--fs-3xl);
  color: #fff;
  margin-bottom: var(--space-md);
}

.cta-content .gradient-text {
  background: linear-gradient(135deg, #fff 0%, rgba(255, 255, 255, 0.8) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.cta-content p {
  color: rgba(255, 255, 255, 0.85);
  max-width: 600px;
  margin-inline: auto;
  margin-bottom: var(--space-2xl);
  font-size: var(--fs-lg);
}

.cta-content .btn-primary {
  background: #fff;
  color: var(--color-accent-1);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.cta-content .btn-primary:hover {
  background: #f0f0f0;
  transform: translateY(-2px);
  color: var(--color-accent-1);
}

/* ==================== CONTACT SECTION ==================== */
.contact {
  background: var(--color-bg-primary);
}

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

.contact-info-card {
  padding: var(--space-2xl);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
}

.contact-info-card h3 {
  font-size: var(--fs-2xl);
  margin-bottom: var(--space-md);
}

.contact-info-card > p {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-2xl);
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  margin-bottom: var(--space-2xl);
}

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

.contact-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(108, 92, 231, 0.1);
  border-radius: var(--radius-md);
}

.contact-icon svg {
  stroke: var(--color-accent-2);
}

.contact-item strong {
  display: block;
  font-size: var(--fs-sm);
  margin-bottom: 2px;
}

.contact-item span,
.contact-item a {
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
}

.social-links {
  display: flex;
  gap: var(--space-md);
}

.social-link {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-tertiary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-secondary);
  transition: all var(--transition-base);
}

.social-link:hover {
  border-color: var(--color-accent-1);
  color: var(--color-accent-2);
  background: rgba(108, 92, 231, 0.1);
}

/* Contact Form */
.contact-form {
  padding: var(--space-2xl);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
}

.form-group {
  margin-bottom: var(--space-lg);
}

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

.form-group label {
  display: block;
  font-size: var(--fs-sm);
  font-weight: 600;
  margin-bottom: var(--space-sm);
  color: var(--color-text-secondary);
}

.required {
  color: var(--color-accent-3);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.875rem var(--space-md);
  background: var(--color-bg-tertiary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--fs-sm);
  color: var(--color-text-primary);
  transition: border-color var(--transition-fast);
}

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

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--color-accent-1);
  outline: none;
  box-shadow: 0 0 0 3px rgba(108, 92, 231, 0.1);
}

.form-group input.error,
.form-group select.error {
  border-color: var(--color-error);
}

.error-message {
  display: block;
  font-size: var(--fs-xs);
  color: var(--color-error);
  margin-top: var(--space-xs);
  min-height: 1.2em;
}

.form-group select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%236b6b80' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-md) center;
  padding-right: var(--space-2xl);
}

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

.btn-loading {
  display: none;
  animation: spin 1s linear infinite;
}

.btn.loading .btn-text {
  display: none;
}

.btn.loading .btn-loading {
  display: inline-flex;
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.form-note {
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
  text-align: center;
  margin-top: var(--space-md);
}

.form-success {
  text-align: center;
  padding: var(--space-4xl) var(--space-2xl);
}

.success-icon {
  font-size: 3rem;
  margin-bottom: var(--space-lg);
}

.form-success h3 {
  font-size: var(--fs-2xl);
  margin-bottom: var(--space-md);
}

.form-success p {
  color: var(--color-text-secondary);
}

/* ==================== FOOTER ==================== */
.footer {
  background: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border);
  padding-block: var(--space-4xl) var(--space-xl);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: var(--space-3xl);
  margin-bottom: var(--space-3xl);
}

.footer-about p {
  color: var(--color-text-muted);
  font-size: var(--fs-sm);
  margin-top: var(--space-md);
}

.footer-nav h4,
.footer-cta h4 {
  font-size: var(--fs-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-lg);
}

.footer-nav ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer-nav a {
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
}

.footer-nav a:hover {
  color: var(--color-accent-2);
}

.footer-cta p {
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-lg);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-xl);
  border-top: 1px solid var(--color-border);
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
}

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

.footer-bottom a {
  color: var(--color-text-muted);
}

.footer-bottom a:hover {
  color: var(--color-accent-2);
}

/* ==================== BACK TO TOP ==================== */
.back-to-top {
  position: fixed;
  bottom: var(--space-xl);
  right: var(--space-xl);
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-accent-1);
  color: #fff;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all var(--transition-base);
  z-index: 99;
  box-shadow: var(--shadow-md);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background: #5a4bd4;
  transform: translateY(-3px);
}

/* ==================== SCROLL REVEAL ANIMATIONS ==================== */
.reveal-up,
.reveal-left,
.reveal-right {
  opacity: 0;
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal-up {
  transform: translateY(40px);
}

.reveal-left {
  transform: translateX(-40px);
}

.reveal-right {
  transform: translateX(40px);
}

.reveal-up.revealed,
.reveal-left.revealed,
.reveal-right.revealed {
  opacity: 1;
  transform: translate(0, 0);
}

/* ==================== RESPONSIVE DESIGN ==================== */

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

  .services-grid .service-card:last-child {
    grid-column: span 2;
    max-width: 500px;
    margin-inline: auto;
  }

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

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

  .case-grid .case-card:last-child {
    grid-column: span 2;
    max-width: 500px;
    margin-inline: auto;
  }

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

/* Tablet - Portrait */
@media (max-width: 768px) {
  .hamburger {
    display: flex;
  }

  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: min(320px, 80vw);
    height: 100vh;
    height: 100dvh;
    flex-direction: column;
    align-items: stretch;
    background: var(--color-bg-secondary);
    padding: 100px var(--space-xl) var(--space-xl);
    border-left: 1px solid var(--color-border);
    transition: right var(--transition-slow);
    overflow-y: auto;
  }

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

  .nav-link {
    padding: var(--space-md);
    font-size: var(--fs-md);
  }

  .nav-link.cta-link {
    margin-left: 0;
    text-align: center;
    margin-top: var(--space-md);
  }

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

  .about-image-container {
    max-width: 400px;
    margin-inline: auto;
  }

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

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

  .services-grid .service-card:last-child {
    grid-column: span 1;
    max-width: none;
  }

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

  .case-grid .case-card:last-child {
    grid-column: span 1;
    max-width: none;
  }

  .process-step {
    flex-direction: column !important;
    text-align: left !important;
  }

  .timeline-line {
    left: 32px;
  }

  .step-number {
    align-self: flex-start;
  }

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

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

  .hero-trust-signals {
    gap: var(--space-lg);
  }

  .trust-divider {
    height: 32px;
  }

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

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

/* Mobile */
@media (max-width: 480px) {
  .hero {
    padding-top: calc(72px + 36px + var(--space-xl));
  }

  .hero-trust-signals {
    flex-direction: column;
    gap: var(--space-md);
  }

  .trust-divider {
    width: 48px;
    height: 1px;
  }

  .hero-scroll-indicator {
    display: none;
  }

  .stat-card {
    padding: var(--space-lg);
  }

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

  .cta-card {
    padding: var(--space-2xl) var(--space-lg);
  }

  .contact-form {
    padding: var(--space-lg);
  }

  .contact-info-card {
    padding: var(--space-lg);
  }

  .case-metrics {
    flex-direction: column;
    gap: var(--space-md);
  }

  .about-experience-badge {
    position: relative;
    bottom: auto;
    right: auto;
    margin-top: var(--space-md);
    display: inline-block;
  }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .reveal-up,
  .reveal-left,
  .reveal-right {
    opacity: 1;
    transform: none;
  }
}

/* Print Styles */
@media print {
  .header,
  .announcement-bar,
  .hero-bg-effects,
  .hero-scroll-indicator,
  .back-to-top,
  .cta-section,
  .hamburger {
    display: none !important;
  }

  body {
    color: #000;
    background: #fff;
  }

  .gradient-text {
    -webkit-text-fill-color: #333;
  }

  a {
    color: #333;
    text-decoration: underline;
  }

  section {
    page-break-inside: avoid;
  }
}