/* ============================================================
   VISHNU TECH HUB - styles.css
   Design System: CSS Custom Properties, Flexbox/Grid Layout
   ============================================================ */

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

/* ══════════════════════════════════════════
   1. CSS CUSTOM PROPERTIES (Design Tokens)
══════════════════════════════════════════ */
:root {
  /* Brand Colors */
  --color-primary:   #38686A;   /* deep teal */
  --color-text:      #1F0322;   /* near-black plum */
  --color-secondary: #BCBD8B;   /* muted sage/olive */
  --color-tertiary:  #F6828C;   /* soft coral pink */
  --color-bg:        #FBF7F0;   /* warm off-white */

  /* Extended Palette */
  --color-primary-light:   #4a8a8c;
  --color-primary-dark:    #2a4f51;
  --color-secondary-light: #d4d5a8;
  --color-tertiary-light:  #f9a8b0;
  --color-surface:         #ffffff;
  --color-surface-alt:     #f3ede3;
  --color-border:          rgba(31, 3, 34, 0.08);
  --color-shadow:          rgba(56, 104, 106, 0.15);

  /* Typography */
  --font-display: 'Space Grotesk', sans-serif;
  --font-body:    'Inter', sans-serif;
  --font-mono:    'JetBrains Mono', monospace;

  /* 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;

  /* Border Radius */
  --radius-sm:   8px;
  --radius-md:   16px;
  --radius-lg:   24px;
  --radius-xl:   40px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast:   150ms ease;
  --transition-normal: 250ms ease;
  --transition-slow:   400ms ease;

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(56, 104, 106, 0.10);
  --shadow-md: 0 4px 24px rgba(56, 104, 106, 0.15);
  --shadow-lg: 0 8px 48px rgba(56, 104, 106, 0.20);
}

/* ══════════════════════════════════════════
   2. CSS RESET & BASE
══════════════════════════════════════════ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

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

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

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

ul, ol {
  list-style: none;
}

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

/* ══════════════════════════════════════════
   3. UTILITY CLASSES
══════════════════════════════════════════ */
.container {
  max-width: 1280px;
  margin-inline: auto;
  padding-inline: var(--space-xl);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

/* Reveal animations */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

.reveal-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal-left.revealed {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal-right.revealed {
  opacity: 1;
  transform: translateX(0);
}

/* Delay helpers */
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }
.delay-5 { transition-delay: 0.5s; }

/* ══════════════════════════════════════════
   4. BUTTON COMPONENTS
══════════════════════════════════════════ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.9rem;
  letter-spacing: 0.02em;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-full);
  transition: all var(--transition-normal);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.15);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.btn:hover::after {
  opacity: 1;
}

.btn-primary {
  background: var(--color-primary);
  color: var(--color-bg);
  box-shadow: 0 4px 16px rgba(56, 104, 106, 0.35);
}

.btn-primary:hover {
  background: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(56, 104, 106, 0.45);
}

.btn-tertiary {
  background: var(--color-tertiary);
  color: var(--color-bg);
  box-shadow: 0 4px 16px rgba(246, 130, 140, 0.35);
}

.btn-tertiary:hover {
  background: #e8636e;
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(246, 130, 140, 0.45);
}

.btn-ghost {
  background: transparent;
  color: var(--color-text);
  border: 1.5px solid var(--color-border);
}

.btn-ghost:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: rgba(56, 104, 106, 0.05);
}

.btn-outline {
  background: transparent;
  color: var(--color-bg);
  border: 2px solid rgba(251, 247, 240, 0.5);
}

.btn-outline:hover {
  background: rgba(251, 247, 240, 0.1);
  border-color: var(--color-bg);
}

.btn-lg {
  font-size: 1rem;
  padding: 1rem 2rem;
}

/* Text link style */
.text-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 0.9rem;
  color: var(--color-text);
  transition: color var(--transition-fast), gap var(--transition-fast);
}

.text-link:hover {
  color: var(--color-primary);
  gap: var(--space-sm);
}

/* ══════════════════════════════════════════
   5. NAVIGATION
══════════════════════════════════════════ */
#site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  transition: background var(--transition-normal), box-shadow var(--transition-normal);
}

#site-header.scrolled {
  background: rgba(251, 247, 240, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 24px rgba(31, 3, 34, 0.08);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: var(--space-md);
  gap: var(--space-xl);
}

.nav-logo {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
}

.nav-logo-img {
  width: 52px;
  height: 52px;
  object-fit: contain;
  flex-shrink: 0;
}

.nav-wordmark {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.nav-logo .wordmark-top {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--color-primary);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.nav-logo .wordmark-bottom {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--color-primary);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

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

.nav-links a {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 0.88rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text);
  position: relative;
  transition: color var(--transition-fast);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -3px;
  left: 0;
  right: 100%;
  height: 2px;
  background: var(--color-primary);
  transition: right var(--transition-normal);
}

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

.nav-links a:hover::after {
  right: 0;
}

.nav-cta {
  flex-shrink: 0;
}

/* Mobile hamburger */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 28px;
  cursor: pointer;
  padding: 4px;
}

.nav-hamburger span {
  display: block;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: all var(--transition-normal);
}

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

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

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

/* Mobile nav drawer */
.mobile-nav {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-bg);
  z-index: 99;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-xl);
  opacity: 0;
  transform: translateY(-20px);
  transition: opacity var(--transition-normal), transform var(--transition-normal);
  pointer-events: none;
}

.mobile-nav.open {
  display: flex;
  opacity: 1;
  transform: translateY(0);
  pointer-events: all;
}

.mobile-nav a {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 2rem;
  color: var(--color-text);
  letter-spacing: 0.04em;
  transition: color var(--transition-fast);
}

.mobile-nav a:hover {
  color: var(--color-primary);
}

/* ══════════════════════════════════════════
   6. HERO SECTION (Sections 1-3)
══════════════════════════════════════════ */
#hero {
  position: relative;
  height: 100vh;
  min-height: 680px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--color-bg);
}

/* Organic blob shapes */
.hero-blobs {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(0px);
}

.blob-1 {
  width: 480px;
  height: 480px;
  background: var(--color-secondary);
  opacity: 0.45;
  right: -60px;
  top: -80px;
  border-radius: 60% 40% 70% 30% / 50% 60% 40% 50%;
  animation: blobFloat1 8s ease-in-out infinite alternate;
}

.blob-2 {
  width: 360px;
  height: 360px;
  background: var(--color-primary);
  opacity: 0.12;
  right: 180px;
  top: 60px;
  border-radius: 40% 60% 50% 50% / 60% 40% 60% 40%;
  animation: blobFloat2 10s ease-in-out infinite alternate;
}

.blob-3 {
  width: 220px;
  height: 220px;
  background: var(--color-tertiary);
  opacity: 0.18;
  left: 5%;
  bottom: 10%;
  border-radius: 70% 30% 40% 60% / 50% 70% 30% 50%;
  animation: blobFloat3 12s ease-in-out infinite alternate;
}

.blob-4 {
  width: 140px;
  height: 140px;
  background: var(--color-secondary);
  opacity: 0.5;
  left: 42%;
  top: 20%;
  border-radius: 50%;
  animation: blobFloat1 9s ease-in-out infinite alternate-reverse;
}

@keyframes blobFloat1 {
  from { transform: translate(0, 0) scale(1); }
  to   { transform: translate(20px, -30px) scale(1.05); }
}
@keyframes blobFloat2 {
  from { transform: translate(0, 0) scale(1); }
  to   { transform: translate(-15px, 25px) scale(1.08); }
}
@keyframes blobFloat3 {
  from { transform: translate(0, 0) rotate(0deg); }
  to   { transform: translate(10px, -20px) rotate(10deg); }
}

/* Tech doodles */
.hero-doodles {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 1;
}

.hero-doodle {
  position: absolute;
  color: var(--color-primary);
  opacity: 0.18;
  font-family: var(--font-mono);
}

.doodle-binary {
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  top: 18%;
  left: 48%;
  transform: rotate(-20deg);
  line-height: 1.8;
}

.doodle-bracket {
  font-size: 3.5rem;
  font-weight: 300;
  top: 55%;
  left: 46%;
  opacity: 0.1;
}

/* Hero layout */
.hero-content {
  position: relative;
  z-index: 2;
  flex: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 0;
  padding-top: 80px; /* nav height */
}

.hero-left {
  padding: var(--space-3xl) var(--space-xl) var(--space-3xl) var(--space-2xl);
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.hero-tagline-chip {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-primary);
  background: rgba(56, 104, 106, 0.1);
  border: 1px solid rgba(56, 104, 106, 0.2);
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-full);
}

.hero-tagline-chip .chip-dot {
  width: 6px;
  height: 6px;
  background: var(--color-primary);
  border-radius: 50%;
  animation: chipPulse 2s ease-in-out infinite;
}

@keyframes chipPulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.4; transform: scale(0.8); }
}

.hero-headline {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.8rem, 5.5vw, 5rem);
  line-height: 1.05;
  color: var(--color-text);
  letter-spacing: -0.02em;
}

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

.hero-headline .headline-small {
  font-size: clamp(1rem, 2vw, 1.5rem);
  font-weight: 500;
  font-family: var(--font-mono);
  color: var(--color-tertiary);
  letter-spacing: 0.04em;
  display: block;
  margin-top: var(--space-sm);
}

.hero-description {
  font-size: 1rem;
  line-height: 1.7;
  color: rgba(31, 3, 34, 0.65);
  max-width: 38ch;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  flex-wrap: wrap;
}

/* Hero right - illustration */
.hero-right {
  position: relative;
  height: 100%;
  display: flex;
  align-items: flex-end;
  justify-content: flex-end;
}

.hero-illustration {
  position: relative;
  z-index: 2;
  height: 95%;
  max-height: 680px;
  width: 115%;
  margin-left: -7.5%;
  display: flex;
  align-items: flex-end;
  justify-content: center;
}

.hero-illustration img {
  height: 100%;
  width: 100%;
  object-fit: contain;
  object-position: bottom center;
  -webkit-mask-image: radial-gradient(ellipse closest-side at 50% 50%, black 25%, transparent 95%);
  mask-image: radial-gradient(ellipse closest-side at 50% 50%, black 25%, transparent 95%);
}

/* Creative badge */
.creative-badge {
  position: absolute;
  z-index: 3;
  bottom: 18%;
  left: -40px;
  width: 110px;
  height: 110px;
  background: var(--color-tertiary);
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  box-shadow: 0 8px 32px rgba(246, 130, 140, 0.4);
}

.creative-badge-text {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-bg);
  line-height: 1.3;
  padding: 0.5rem;
}



/* ══════════════════════════════════════════
   7. ABOUT SECTION
══════════════════════════════════════════ */
#about {
  padding-block: var(--space-4xl);
  background: var(--color-bg);
}

.about-card {
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  padding: var(--space-3xl);
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: var(--space-3xl);
  align-items: start;
  overflow: hidden;
  position: relative;
}

.about-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-tertiary), var(--color-secondary));
}

.about-visual {
  width: 200px;
  height: 200px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(56,104,106,0.1), rgba(188,189,139,0.2));
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  overflow: hidden;
  border: 1px solid var(--color-border);
}

.about-visual svg {
  width: 100px;
  height: 100px;
  color: var(--color-primary);
  opacity: 0.6;
}

.about-text {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.about-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-tertiary);
}

.about-heading {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  line-height: 1.15;
  color: var(--color-text);
  letter-spacing: -0.02em;
}

.about-subheading {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1rem;
  color: var(--color-primary);
  font-style: italic;
}

.about-body {
  font-size: 0.97rem;
  line-height: 1.75;
  color: rgba(31, 3, 34, 0.65);
  max-width: 48ch;
}

.about-services-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  min-width: 220px;
}

.about-service-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--color-text);
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--color-border);
  transition: color var(--transition-fast), gap var(--transition-fast);
}

.about-service-item:last-child {
  border-bottom: none;
}

.about-service-item:hover {
  color: var(--color-primary);
}

.about-service-icon {
  width: 32px;
  height: 32px;
  background: rgba(56, 104, 106, 0.1);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: background var(--transition-fast);
}

.about-service-item:hover .about-service-icon {
  background: var(--color-primary);
  color: var(--color-bg);
}

.about-service-icon svg {
  width: 16px;
  height: 16px;
}

/* ══════════════════════════════════════════
   8. SERVICES SECTION
══════════════════════════════════════════ */
#services {
  padding-block: var(--space-4xl);
  background: var(--color-primary);
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-xl);
  margin-inline: var(--space-xl);
}

#services::before {
  content: '';
  position: absolute;
  top: -80px;
  right: -80px;
  width: 300px;
  height: 300px;
  background: rgba(251,247,240,0.05);
  border-radius: 50%;
}

#services::after {
  content: '';
  position: absolute;
  bottom: -60px;
  left: -40px;
  width: 200px;
  height: 200px;
  background: rgba(246,130,140,0.08);
  border-radius: 50%;
}

.services-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-3xl);
  flex-wrap: wrap;
  gap: var(--space-md);
}

.services-heading {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2rem, 4vw, 3rem);
  color: var(--color-bg);
  letter-spacing: -0.02em;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-lg);
  position: relative;
  z-index: 1;
}

.service-card {
  background: rgba(251, 247, 240, 0.06);
  border: 1px solid rgba(251, 247, 240, 0.12);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  transition: background var(--transition-normal), transform var(--transition-normal), box-shadow var(--transition-normal);
  cursor: default;
  position: relative;
  overflow: hidden;
}

.service-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--color-tertiary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-normal);
}

.service-card:hover {
  background: rgba(251, 247, 240, 0.12);
  transform: translateY(-6px);
  box-shadow: 0 16px 48px rgba(0,0,0,0.2);
}

.service-card:hover::after {
  transform: scaleX(1);
}

.service-icon-wrap {
  width: 56px;
  height: 56px;
  background: rgba(251, 247, 240, 0.1);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-xs);
}

.service-icon-wrap svg {
  width: 28px;
  height: 28px;
  color: var(--color-secondary);
}

.service-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-tertiary);
}

.service-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--color-bg);
  line-height: 1.2;
}

.service-subtitle {
  font-size: 0.88rem;
  color: rgba(251, 247, 240, 0.65);
  line-height: 1.5;
}

.service-arrow {
  margin-top: auto;
  width: 36px;
  height: 36px;
  background: rgba(251, 247, 240, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-bg);
  transition: background var(--transition-fast), transform var(--transition-fast);
}

.service-card:hover .service-arrow {
  background: var(--color-tertiary);
  transform: rotate(-45deg);
}

/* ══════════════════════════════════════════
   9. LEADERSHIP CAROUSEL
══════════════════════════════════════════ */
#leadership {
  padding-block: var(--space-4xl);
  background: var(--color-bg);
  overflow: hidden;
}

.carousel-wrapper {
  position: relative;
}

.carousel-track-outer {
  overflow: hidden;
  border-radius: var(--radius-lg);
}

.carousel-track {
  display: flex;
  transition: transform 0.55s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.leader-card {
  flex: 0 0 calc(100% / 3);
  padding: var(--space-md);
  box-sizing: border-box;
}

.leader-card-inner {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  text-align: center;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  transition: box-shadow var(--transition-normal), transform var(--transition-normal);
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
}

.leader-card-inner:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.leader-avatar {
  width: 110px;
  height: 110px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.6rem;
  color: var(--color-bg);
  flex-shrink: 0;
  box-shadow: 0 6px 24px rgba(56, 104, 106, 0.4);
  position: relative;
  overflow: hidden;
  border: 3px solid var(--color-secondary);
  outline: 2px solid rgba(56, 104, 106, 0.2);
  outline-offset: 3px;
}

/* When a real photo <img> is inside the avatar */
.leader-avatar img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  border-radius: 50%;
}

.leader-avatar::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 2px solid rgba(251,247,240,0.25);
  pointer-events: none;
  z-index: 1;
}

.leader-title-chip {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-tertiary);
  background: rgba(246, 130, 140, 0.1);
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  border: 1px solid rgba(246, 130, 140, 0.2);
}

.leader-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--color-text);
  line-height: 1.2;
}

.leader-role {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 0.85rem;
  color: var(--color-primary);
}

.leader-bio {
  font-size: 0.875rem;
  line-height: 1.65;
  color: rgba(31, 3, 34, 0.6);
  font-style: italic;
}

.leader-bio::before {
  content: '"';
  font-size: 1.5rem;
  color: var(--color-tertiary);
  font-family: Georgia, serif;
  line-height: 0;
  vertical-align: -0.3em;
  margin-right: 2px;
}

/* Carousel controls */
.carousel-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-lg);
  margin-top: var(--space-2xl);
}

.carousel-btn {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-surface);
  border: 1.5px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-normal);
  color: var(--color-text);
  box-shadow: var(--shadow-sm);
}

.carousel-btn:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-bg);
  transform: scale(1.05);
  box-shadow: 0 4px 16px rgba(56, 104, 106, 0.3);
}

.carousel-btn svg {
  width: 20px;
  height: 20px;
}

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

.carousel-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-border);
  cursor: pointer;
  transition: all var(--transition-normal);
  border: none;
}

.carousel-dot.active {
  background: var(--color-primary);
  width: 24px;
  border-radius: var(--radius-full);
}

.carousel-section-label {
  text-align: center;
  margin-bottom: var(--space-2xl);
}

.carousel-section-label .section-tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-tertiary);
  display: block;
  margin-bottom: var(--space-sm);
}

.carousel-section-label h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  color: var(--color-text);
  letter-spacing: -0.02em;
}

/* ══════════════════════════════════════════
   10. CTA SECTION
══════════════════════════════════════════ */
#cta {
  padding-block: var(--space-4xl);
  padding-inline: var(--space-xl);
}

.cta-card {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 50%, rgba(56,104,106,0.9) 100%);
  border-radius: var(--radius-xl);
  padding: var(--space-4xl);
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: var(--space-3xl);
  overflow: hidden;
  position: relative;
}

.cta-card::before {
  content: '';
  position: absolute;
  top: -100px;
  right: 200px;
  width: 300px;
  height: 300px;
  background: rgba(251, 247, 240, 0.04);
  border-radius: 50%;
}

.cta-card::after {
  content: '';
  position: absolute;
  bottom: -80px;
  left: 100px;
  width: 240px;
  height: 240px;
  background: rgba(246, 130, 140, 0.06);
  border-radius: 50%;
}

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

.cta-tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: rgba(251, 247, 240, 0.6);
  display: block;
  margin-bottom: var(--space-md);
}

.cta-heading {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.4rem, 4.5vw, 4rem);
  color: var(--color-bg);
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-md);
}

.cta-heading .cta-accent {
  color: var(--color-tertiary);
}

.cta-description {
  font-size: 1rem;
  line-height: 1.7;
  color: rgba(251, 247, 240, 0.7);
  max-width: 44ch;
  margin-bottom: var(--space-xl);
}

.cta-btns {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.cta-visual {
  position: relative;
  z-index: 1;
  flex-shrink: 0;
}

.cta-visual img {
  width: 340px;
  border-radius: var(--radius-lg);
  opacity: 0.85;
  box-shadow: 0 16px 48px rgba(0,0,0,0.3);
}

/* Terminal window decoration */
.terminal-window {
  background: rgba(31, 3, 34, 0.85);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  width: 320px;
  box-shadow: 0 16px 48px rgba(0,0,0,0.4);
  border: 1px solid rgba(251, 247, 240, 0.1);
}

.terminal-bar {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  margin-bottom: var(--space-md);
}

.terminal-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.terminal-dot.red   { background: #FF5F57; }
.terminal-dot.yellow { background: #FEBC2E; }
.terminal-dot.green  { background: #28C840; }

.terminal-body {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  line-height: 1.8;
}

.terminal-line { display: flex; gap: var(--space-sm); }
.terminal-prompt { color: var(--color-tertiary); }
.terminal-cmd { color: rgba(251, 247, 240, 0.85); }
.terminal-comment { color: rgba(56, 104, 106, 0.8); }
.terminal-output { color: var(--color-secondary); padding-left: 1rem; }

.terminal-cursor {
  display: inline-block;
  width: 8px;
  height: 14px;
  background: var(--color-tertiary);
  vertical-align: middle;
  animation: blink 1s step-end infinite;
  margin-left: 2px;
}

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

/* ══════════════════════════════════════════
   11. FOOTER
══════════════════════════════════════════ */
#site-footer {
  background: var(--color-text);
  color: var(--color-bg);
  padding-block: var(--space-2xl);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-xl);
}

.footer-brand .wordmark {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--color-bg);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.footer-brand .footer-tagline {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: rgba(251, 247, 240, 0.5);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-top: var(--space-xs);
}

.footer-contacts {
  display: flex;
  align-items: center;
  gap: var(--space-2xl);
  flex-wrap: wrap;
}

.footer-contact-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.88rem;
  color: rgba(251, 247, 240, 0.75);
  transition: color var(--transition-fast);
}

.footer-contact-item:hover {
  color: var(--color-bg);
}

.footer-contact-icon {
  width: 36px;
  height: 36px;
  background: rgba(251, 247, 240, 0.08);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: background var(--transition-fast);
}

.footer-contact-item:hover .footer-contact-icon {
  background: var(--color-primary);
}

.footer-contact-icon svg {
  width: 16px;
  height: 16px;
}

.footer-bottom {
  margin-top: var(--space-xl);
  padding-top: var(--space-lg);
  border-top: 1px solid rgba(251, 247, 240, 0.1);
  text-align: center;
  font-size: 0.8rem;
  color: rgba(251, 247, 240, 0.4);
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
}

/* ══════════════════════════════════════════
   12. SECTION SHARED STYLES
══════════════════════════════════════════ */
.section-tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-tertiary);
  display: block;
  margin-bottom: var(--space-sm);
}

.section-heading {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  color: var(--color-text);
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin-bottom: var(--space-lg);
}

/* ══════════════════════════════════════════
   13. SCROLL PROGRESS BAR
══════════════════════════════════════════ */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 0%;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-tertiary));
  z-index: 200;
  transition: width 50ms linear;
}

/* ══════════════════════════════════════════
   14. RESPONSIVE - TABLET (≤ 1024px)
══════════════════════════════════════════ */
@media (max-width: 1024px) {
  .hero-headline {
    font-size: clamp(2.2rem, 5vw, 3.5rem);
  }

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

  .about-visual {
    width: 100%;
    height: 160px;
  }

  .about-services-list {
    flex-direction: row;
    flex-wrap: wrap;
    min-width: unset;
  }

  .about-service-item {
    flex: 1 1 calc(50% - var(--space-md));
    border-bottom: none;
    padding: var(--space-sm);
    background: rgba(56,104,106,0.05);
    border-radius: var(--radius-sm);
  }

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

  .cta-card {
    grid-template-columns: 1fr;
  }

  .cta-visual {
    display: none;
  }

  .leader-card {
    flex: 0 0 50%;
  }
}

/* ══════════════════════════════════════════
   15. RESPONSIVE - MOBILE (≤ 768px)
══════════════════════════════════════════ */
@media (max-width: 768px) {
  :root {
    --space-4xl: 3.5rem;
    --space-3xl: 2.5rem;
  }

  .container {
    padding-inline: var(--space-lg);
  }

  /* Nav mobile */
  .nav-links,
  .nav-cta {
    display: none;
  }

  .nav-hamburger {
    display: flex;
  }

  /* Hero mobile */
  #hero {
    height: auto;
    min-height: 100svh;
  }

  .hero-content {
    grid-template-columns: 1fr;
    padding-top: 70px;
  }

  .hero-left {
    padding: var(--space-2xl) var(--space-lg) var(--space-xl);
    gap: var(--space-md);
  }

  .hero-right {
    height: 320px;
    position: relative;
  }

  .hero-illustration {
    height: 100%;
    opacity: 0.85;
  }

  .creative-badge {
    left: var(--space-lg);
    bottom: var(--space-xl);
  }

  /* About mobile */
  .about-visual {
    height: 140px;
  }

  /* Services mobile */
  #services {
    margin-inline: var(--space-md);
    border-radius: var(--radius-lg);
  }

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

  /* Carousel mobile */
  .leader-card {
    flex: 0 0 100%;
  }

  /* CTA mobile */
  #cta {
    padding-inline: var(--space-md);
  }

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

  /* Footer mobile */
  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .footer-contacts {
    flex-direction: column;
    gap: var(--space-md);
  }
}

@media (max-width: 480px) {
  .hero-cta-group {
    flex-direction: column;
    align-items: flex-start;
  }

  .cta-btns {
    flex-direction: column;
  }

  .services-header {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* ══════════════════════════════════════════
   16. CUSTOM CURSOR
══════════════════════════════════════════ */
* { cursor: none !important; }

#cursor-fluid {
  position: fixed;
  top: 0;
  left: 0;
  width: 20px;
  height: 20px;
  background: var(--color-tertiary);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  transform-origin: center;
  transition: width 0.3s, height 0.3s, background-color 0.3s;
  will-change: transform;
  box-shadow: 0 4px 12px rgba(246, 130, 140, 0.4);
}

body:has(a:hover) #cursor-fluid,
body:has(button:hover) #cursor-fluid {
  width: 48px;
  height: 48px;
  background: rgba(246, 130, 140, 0.2);
  border: 2px solid var(--color-tertiary);
  backdrop-filter: blur(4px);
  box-shadow: 0 0 16px rgba(246, 130, 140, 0.6);
}