/* ========================================
   Hüller IT-Services – Modern Static Site
   GSAP ScrollTrigger Edition
   ======================================== */

/* --- @font-face: Ubuntu (lokal) --- */
@font-face {
  font-family: 'Ubuntu';
  src: url('../fonts/subset-Ubuntu-Light.eot');
  src: url('../fonts/subset-Ubuntu-Light.eot?#iefix') format('embedded-opentype'),
       url('../fonts/subset-Ubuntu-Light.woff2') format('woff2'),
       url('../fonts/subset-Ubuntu-Light.woff') format('woff'),
       url('../fonts/subset-Ubuntu-Light.ttf') format('truetype'),
       url('../fonts/subset-Ubuntu-Light.svg#Ubuntu-Light') format('svg');
  font-weight: 300;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Ubuntu';
  src: url('../fonts/subset-Ubuntu-Regular.eot');
  src: url('../fonts/subset-Ubuntu-Regular.eot?#iefix') format('embedded-opentype'),
       url('../fonts/subset-Ubuntu-Regular.woff2') format('woff2'),
       url('../fonts/subset-Ubuntu-Regular.woff') format('woff'),
       url('../fonts/subset-Ubuntu-Regular.ttf') format('truetype'),
       url('../fonts/subset-Ubuntu-Regular.svg#Ubuntu-Regular') format('svg');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Ubuntu';
  src: url('../fonts/subset-Ubuntu-Italic.eot');
  src: url('../fonts/subset-Ubuntu-Italic.eot?#iefix') format('embedded-opentype'),
       url('../fonts/subset-Ubuntu-Italic.woff2') format('woff2'),
       url('../fonts/subset-Ubuntu-Italic.woff') format('woff'),
       url('../fonts/subset-Ubuntu-Italic.ttf') format('truetype'),
       url('../fonts/subset-Ubuntu-Italic.svg#Ubuntu-Italic') format('svg');
  font-weight: 400;
  font-style: italic;
  font-display: swap;
}

@font-face {
  font-family: 'Ubuntu';
  src: url('../fonts/subset-Ubuntu-Bold.eot');
  src: url('../fonts/subset-Ubuntu-Bold.eot?#iefix') format('embedded-opentype'),
       url('../fonts/subset-Ubuntu-Bold.woff2') format('woff2'),
       url('../fonts/subset-Ubuntu-Bold.woff') format('woff'),
       url('../fonts/subset-Ubuntu-Bold.ttf') format('truetype'),
       url('../fonts/subset-Ubuntu-Bold.svg#Ubuntu-Bold') format('svg');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Ubuntu';
  src: url('../fonts/subset-Ubuntu-BoldItalic.eot');
  src: url('../fonts/subset-Ubuntu-BoldItalic.eot?#iefix') format('embedded-opentype'),
       url('../fonts/subset-Ubuntu-BoldItalic.woff2') format('woff2'),
       url('../fonts/subset-Ubuntu-BoldItalic.woff') format('woff'),
       url('../fonts/subset-Ubuntu-BoldItalic.ttf') format('truetype'),
       url('../fonts/subset-Ubuntu-BoldItalic.svg#Ubuntu-BoldItalic') format('svg');
  font-weight: 700;
  font-style: italic;
  font-display: swap;
}

/* --- Custom Properties --- */
:root {
  --bg-primary: #ffffff;
  --bg-secondary: #f5f5f5;
  --bg-dark: #2a2f36;
  --bg-dark-secondary: #323840;
  --bg-card: #ffffff;
  --bg-card-hover: #fafafa;
  --text-primary: #1a1a1a;
  --text-secondary: #555;
  --text-muted: #999;
  --text-on-dark: #f5f5f5;
  --text-on-dark-secondary: #aaa;
  --accent: #3b82f6;
  --accent-hover: #2563eb;
  --border: #e5e5e5;
  --border-light: #d4d4d4;
  --border-dark: #3e454d;
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 20px;
  --font: 'Ubuntu', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --container: 1200px;
  --header-height: 72px;
}

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

html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  font-family: var(--font);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-size: 16px;
  line-height: 1.7;
  overflow-x: hidden;
}

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

ul {
  list-style: none;
}

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

/* --- Container --- */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* --- Typography --- */
h1, h2, h3, h4 {
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
}

h3 {
  font-size: 1.25rem;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius);
  font-size: 0.9375rem;
  font-weight: 500;
  font-family: var(--font);
  cursor: pointer;
  transition: all var(--transition);
  border: 1px solid transparent;
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.btn-primary:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(59, 130, 246, 0.25);
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border-color: var(--border-light);
}

.btn-outline:hover {
  border-color: var(--text-primary);
  transform: translateY(-2px);
}

/* Light variant for dark backgrounds */
.btn-outline-light {
  background: transparent;
  color: var(--text-on-dark);
  border-color: rgba(255,255,255,0.3);
}

.btn-outline-light:hover {
  border-color: #fff;
  color: #fff;
  transform: translateY(-2px);
}

.btn-primary-light {
  background: #fff;
  color: var(--bg-dark);
  border-color: #fff;
  font-weight: 600;
}

.btn-primary-light:hover {
  background: #f0f0f0;
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(255,255,255,0.15);
}

/* --- Header / Navigation --- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
  background: rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(1px);
  -webkit-backdrop-filter: blur(1px);
  border-bottom: 1px solid transparent;
  transition: background var(--transition), box-shadow var(--transition), border-color var(--transition), backdrop-filter var(--transition);
}

.site-header.scrolled {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom-color: var(--border);
  box-shadow: 0 1px 12px rgba(0,0,0,0.06);
}

.nav-container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.logo {
  font-size: 1.375rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text-primary);
  margin: 0 40px;
  flex-shrink: 0;
}

.logo-img {
  height: 48px;
  width: auto;
  display: inline-block;
}

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

.nav-links {
  display: flex;
  gap: 36px;
}

.nav-links-left {
  justify-content: flex-end;
}

.nav-links-right {
  justify-content: flex-start;
}

.nav-links a {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  position: relative;
  padding: 4px 0;
}

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

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

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

/* Mobile Toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  transition: all var(--transition);
  border-radius: 2px;
}

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

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

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

/* Mobile Menu Overlay – hidden on desktop */
.mobile-menu {
  display: none;
}

/* --- Hero (Dark Section) --- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  padding: var(--header-height) 24px 60px;
  max-width: var(--container);
  margin: 0 auto;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100vw;
  height: 100%;
  background: url('../img/Hit-Office-Large-20250918.jpg') center center / cover no-repeat;
  opacity: 1;
  z-index: 0;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 700px;
  margin: 0 auto;
  text-align: center;
}

.hero-label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: 24px;
  opacity: 0;
}

.hero-title {
  font-size: clamp(3rem, 8vw, 5.5rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.04em;
  margin-bottom: 24px;
  color: var(--text-primary);
}

.hero-line {
  display: block;
  overflow: hidden;
}

.hero-line > * {
  display: inline-block;
}

.hero-title-accent {
  color: #4B849F;
  -webkit-text-fill-color: #4B849F;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--text-secondary);
  max-width: 480px;
  margin: 0 auto;
  line-height: 1.6;
  opacity: 0;
  transform: translateY(20px);
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
  opacity: 0;
}

.hero-visual {
  position: absolute;
  top: 50%;
  right: -10%;
  transform: translateY(-50%);
  width: 600px;
  height: 600px;
  pointer-events: none;
}

.hero-glow {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.1) 0%, transparent 70%);
  filter: blur(60px);
  animation: glow-pulse 6s ease-in-out infinite;
}

@keyframes glow-pulse {
  0%, 100% { opacity: 0.6; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.1); }
}

/* --- Sections --- */
.section {
  padding: 60px 0;
}

.section-label {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: 12px;
}

.section-title {
  margin-bottom: 32px;
}

.section-subtitle {
  color: var(--text-secondary);
  margin-top: -20px;
  margin-bottom: 32px;
}

/* --- Services --- */
.services {
  background: var(--bg-secondary);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  display: flex;
  flex-direction: column;
}

.service-icon {
  width: 48px;
  height: 48px;
  margin-bottom: 20px;
  color: var(--text-secondary);
}

.service-icon svg {
  width: 100%;
  height: 100%;
}

.service-card h3 {
  margin-bottom: 12px;
}

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

/* --- Stats --- */
.stats {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 48px 0;
  background: var(--bg-secondary);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
  text-align: center;
}

.stat-item {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.stat-icon {
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  color: var(--text-primary);
  background: rgba(0, 0, 0, 0.04);
  border-radius: 50%;
}

.stat-number {
  display: inline;
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.stat-suffix {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  color: var(--text-primary);
}

.stat-label {
  display: block;
  font-size: 0.875rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 8px;
  padding-bottom: 12px;
  position: relative;
}

.stat-label::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 32px;
  height: 2px;
  background: var(--border);
  border-radius: 1px;
}

/* --- Intro --- */
.intro-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.intro-text p {
  color: var(--text-secondary);
  margin-bottom: 20px;
  line-height: 1.8;
}

.intro-text .intro-greeting {
  font-style: italic;
  color: var(--text-primary);
  margin-top: 8px;
}

.intro-text .btn {
  margin-top: 12px;
}

.intro-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0,0,0,0.1);
}

.intro-image img {
  width: 100%;
  height: auto;
  display: block;
  filter: grayscale(100%);
  transition: filter 0.6s ease;
}

.intro-image:hover img {
  filter: grayscale(60%);
}

/* Code Window */
.code-window {
  background: var(--bg-dark);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius);
  overflow: hidden;
}

.code-header {
  display: flex;
  gap: 8px;
  padding: 14px 18px;
  background: #161616;
  border-bottom: 1px solid var(--border-dark);
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.dot-red { background: #ff5f57; }
.dot-yellow { background: #febc2e; }
.dot-green { background: #28c840; }

.code-body {
  padding: 24px;
  font-family: 'SF Mono', 'Fira Code', 'Cascadia Code', monospace;
  font-size: 0.875rem;
  line-height: 1.8;
  overflow-x: auto;
  color: #e0e0e0;
}

.code-body code {
  font-family: inherit;
}

.code-keyword { color: #c084fc; }
.code-string { color: #34d399; }
.code-number { color: #f59e0b; }

/* --- Quotes Section --- */

.quotes-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.quote-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  position: relative;
  transition: all var(--transition);
}

.quote-card:hover {
  border-color: var(--border-light);
  box-shadow: 0 8px 30px rgba(0,0,0,0.06);
  transform: translateY(-2px);
}

.quote-card.quote-featured {
  grid-column: 1 / -1;
  text-align: center;
  padding: 48px 40px;
}

.quote-mark {
  font-size: 3rem;
  line-height: 1;
  color: var(--text-muted);
  margin-bottom: 8px;
  font-family: Georgia, serif;
}

.quote-text {
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--text-secondary);
  margin-bottom: 16px;
  font-style: italic;
}

.quote-featured .quote-text {
  font-size: 1.25rem;
}

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

/* --- Animated Divider --- */
.divider-section {
  padding: 20px 0;
}

.animated-divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  transform: scaleX(0);
}

/* --- CTA --- */
.cta {
  background: var(--bg-secondary);
}

.cta-container {
  text-align: center;
  padding: 48px 40px;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.06), rgba(124, 58, 237, 0.04));
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

.cta-container h2 {
  margin-bottom: 16px;
}

.cta-container p {
  color: var(--text-secondary);
  margin-bottom: 32px;
  font-size: 1.125rem;
}

/* --- Page Headers --- */
.page-header {
  padding: calc(var(--header-height) + 60px) 0 0;
}

.page-title {
  font-size: clamp(2.5rem, 6vw, 4rem);
  letter-spacing: -0.04em;
  overflow-wrap: break-word;
  hyphens: auto;
}

/* --- Bio Hero --- */
.bio-hero {
  padding: calc(var(--header-height) + 40px) 0 0;
  background: var(--bg-secondary);
}

.bio-hero-inner {
  display: flex;
  align-items: center;
  gap: 32px;
  max-width: 800px;
  padding-top: 20px;
  padding-bottom: 40px;
}

.bio-portrait {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  overflow: hidden;
  border: 3px solid var(--accent);
  flex-shrink: 0;
}

.bio-portrait img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
}

.bio-hero-text .section-label {
  margin-bottom: 4px;
}

.bio-hero-name {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  letter-spacing: -0.03em;
  margin-bottom: 4px;
}

.bio-hero-role {
  color: var(--text-secondary);
  font-size: 1rem;
  margin-bottom: 2px;
}

.bio-hero-since {
  color: var(--text-muted);
  font-size: 0.875rem;
}

/* --- Bio Story --- */
.bio-story {
  padding-top: 40px;
  padding-bottom: 0;
}

.bio-container {
  max-width: 800px;
}

.bio-text h2 {
  margin-bottom: 16px;
  font-size: 1.375rem;
}

.bio-text p {
  color: var(--text-secondary);
  margin-bottom: 16px;
  line-height: 1.8;
}

/* --- Bio Timeline --- */
.bio-timeline {
  background: var(--bg-secondary);
}

.timeline-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.timeline-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 24px;
  transition: all var(--transition);
  border-left: 3px solid var(--accent);
}

.timeline-card:hover {
  border-color: var(--border-light);
  border-left-color: var(--accent);
  box-shadow: 0 4px 20px rgba(0,0,0,0.04);
  transform: translateY(-2px);
}

.timeline-card .timeline-date {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.timeline-card h3 {
  font-size: 1rem;
  margin: 4px 0 2px;
}

.timeline-card p {
  color: var(--text-secondary);
  font-size: 0.875rem;
}

/* --- Tech Stack --- */
.stack-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.stack-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  transition: all var(--transition);
}

.stack-card:hover {
  border-color: var(--border-light);
  box-shadow: 0 8px 30px rgba(0,0,0,0.04);
}

.stack-card h3 {
  margin-bottom: 16px;
  font-size: 1rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 500;
}

.stack-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag {
  display: inline-block;
  padding: 8px 16px;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 0.8125rem;
  color: var(--text-primary);
  transition: all var(--transition);
}

.tag:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* --- Portfolio --- */
.portfolio-section {
  padding-top: 32px;
}

.portfolio-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 40px;
}

.filter-btn {
  padding: 10px 20px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 100px;
  color: var(--text-secondary);
  font-size: 0.875rem;
  font-family: var(--font);
  cursor: pointer;
  transition: all var(--transition);
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

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

.portfolio-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 0;
  overflow: hidden;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.portfolio-card.hidden {
  display: none;
}

.portfolio-card:hover {
  border-color: var(--border-light);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.06);
}

.portfolio-card-icon {
  width: 40px;
  height: 40px;
  color: var(--accent);
  margin-bottom: 20px;
}

.portfolio-card-icon svg {
  width: 100%;
  height: 100%;
}

.portfolio-card-img {
  width: 100%;
  margin-bottom: 0;
  overflow: hidden;
}

.portfolio-card-img img {
  width: 100%;
  height: auto;
  display: block;
}

.portfolio-card-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 20px 24px 0;
  margin-bottom: 12px;
}

.portfolio-card h3 {
  padding: 0;
  margin-bottom: 0;
}

.portfolio-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 0 24px 20px;
}

.tag-sm {
  display: inline-block;
  padding: 4px 12px;
  background: rgba(59, 130, 246, 0.08);
  border: 1px solid rgba(59, 130, 246, 0.15);
  border-radius: 100px;
  font-size: 0.75rem;
  color: var(--accent);
}

/* --- Portfolio Accordion --- */
.portfolio-toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin: 0;
  padding: 4px 12px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 0.8125rem;
  font-family: var(--font);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition);
}

.portfolio-toggle:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.portfolio-toggle svg {
  transition: transform var(--transition);
}

.portfolio-toggle[aria-expanded="true"] svg {
  transform: rotate(180deg);
}

.portfolio-details {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.portfolio-details-inner {
  padding: 0 24px 20px;
}

.portfolio-details p {
  color: var(--text-secondary);
  font-size: 0.9375rem;
  line-height: 1.6;
  margin-bottom: 12px;
  padding: 0 24px;
}

.portfolio-details ul {
  list-style: none;
  padding: 0 24px 20px;
  margin: 0;
}

.portfolio-details ul li {
  position: relative;
  padding-left: 16px;
  color: var(--text-secondary);
  font-size: 0.875rem;
  line-height: 1.8;
}

.portfolio-details ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.65em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  opacity: 0.6;
}

/* --- Legal Pages --- */
.legal-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  max-width: 900px;
}

.legal-grid--full {
  grid-template-columns: 1fr;
}

.legal-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  transition: all var(--transition);
}

.legal-card:hover {
  border-color: var(--border-light);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
  transform: translateY(-2px);
}

.legal-card-icon {
  width: 48px;
  height: 48px;
  margin-bottom: 20px;
  color: var(--text-secondary);
  flex-shrink: 0;
}

.legal-card-icon svg {
  width: 100%;
  height: 100%;
}

.legal-card h3 {
  margin-bottom: 12px;
}

.legal-card p {
  color: var(--text-secondary);
  margin-bottom: 8px;
  line-height: 1.7;
  font-size: 0.9375rem;
}

.legal-card p:last-child {
  margin-bottom: 0;
}

.legal-card a {
  color: var(--accent);
}

.legal-card a:hover {
  color: var(--accent-hover);
}

.legal-card .legal-highlight {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 0.02em;
}

.legal-contact-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.legal-contact-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9375rem;
}

.legal-contact-list li svg {
  color: var(--accent);
  flex-shrink: 0;
}

.legal-contact-list li a {
  color: var(--accent);
}

.legal-contact-list li a:hover {
  color: var(--accent-hover);
}

.legal-badge {
  display: inline-block;
  margin-top: 8px;
  opacity: 0.85;
  transition: opacity var(--transition);
}

.legal-badge:hover {
  opacity: 1;
}

.legal-badge img {
  border-radius: var(--radius-sm);
}

.legal-notice {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  max-width: 900px;
  margin-top: 20px;
  padding: 24px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  border-left: 3px solid var(--text-muted);
}

.legal-notice .legal-card-icon {
  margin-bottom: 0;
  color: var(--text-muted);
}

.legal-notice h2 {
  font-size: 1rem;
  margin-bottom: 8px;
}

.legal-notice p {
  color: var(--text-secondary);
  font-size: 0.875rem;
  line-height: 1.7;
  margin-bottom: 4px;
}

.legal-notice p:last-child {
  margin-bottom: 0;
}

/* --- Footer (Dark) --- */
.site-footer {
  background: var(--bg-dark);
  color: var(--text-on-dark);
  border-top: 1px solid var(--border-dark);
  padding-top: 60px;
}

.footer-container {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
}

.footer-brand .logo {
  color: var(--text-on-dark);
}

.footer-brand p {
  color: var(--text-on-dark-secondary);
  font-size: 0.9375rem;
  margin-top: 12px;
}

.footer-note {
  font-size: 0.8125rem !important;
  color: #666 !important;
  margin-top: 16px !important;
}

.footer-badge {
  display: inline-block;
  margin-top: 16px;
}

.footer-badge img {
  height: 48px;
  width: auto;
  opacity: 0.7;
  transition: opacity var(--transition);
}

.footer-badge:hover img {
  opacity: 1;
}

.footer-links h4 {
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: #666;
  margin-bottom: 16px;
  font-weight: 600;
}

.footer-links ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  font-size: 0.9375rem;
  color: var(--text-on-dark-secondary);
}

.footer-links a:hover {
  color: var(--text-on-dark);
}

.footer-bottom {
  border-top: 1px solid var(--border-dark);
  padding: 20px 0;
}

.footer-bottom p {
  font-size: 0.8125rem;
  color: #666;
}

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

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
  }

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

  .footer-container {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }

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

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

  .quote-card.quote-featured {
    grid-column: auto;
  }
}

@media (max-width: 768px) {
  .nav-container {
    justify-content: space-between;
  }

  .logo {
    margin: 0;
    z-index: 1002;
  }

  .nav-toggle {
    display: flex;
    z-index: 1002;
    width: 44px;
    height: 44px;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    transition: background var(--transition);
  }

  .nav-toggle:hover {
    background: rgba(0, 0, 0, 0.05);
  }

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

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

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

  /* Hide desktop nav-links on mobile */
  .nav-links {
    display: none !important;
  }

  /* Mobile Menu Overlay */
  .mobile-menu {
    display: block;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1001;
    background: rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.4s ease, visibility 0.4s ease;
    pointer-events: none;
  }

  .mobile-menu.open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }

  .mobile-menu-nav {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    gap: 8px;
  }

  .mobile-menu-nav a {
    font-size: 1.5rem;
    font-weight: 500;
    color: var(--text-primary);
    padding: 16px 32px;
    display: block;
    text-decoration: none;
    position: relative;
    transform: translateY(20px);
    opacity: 0;
    transition: transform 0.4s ease, opacity 0.4s ease, color var(--transition);
  }

  .mobile-menu.open .mobile-menu-nav a {
    transform: translateY(0);
    opacity: 1;
  }

  .mobile-menu.open .mobile-menu-nav a:nth-child(1) { transition-delay: 0.06s; }
  .mobile-menu.open .mobile-menu-nav a:nth-child(2) { transition-delay: 0.12s; }
  .mobile-menu.open .mobile-menu-nav a:nth-child(3) { transition-delay: 0.18s; }
  .mobile-menu.open .mobile-menu-nav a:nth-child(4) { transition-delay: 0.24s; }

  .mobile-menu-nav a::after {
    content: '';
    position: absolute;
    bottom: 10px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--accent);
    transition: width var(--transition);
  }

  .mobile-menu-nav a:hover::after,
  .mobile-menu-nav a.active::after {
    width: 40px;
  }

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

  .mobile-menu-nav a.active {
    color: var(--accent);
  }

  .hero {
    min-height: auto;
    padding-top: calc(var(--header-height) + 80px);
    padding-bottom: 80px;
  }

  .hero-title {
    font-size: clamp(2.5rem, 10vw, 3.5rem);
  }

  .hero-visual {
    display: none;
  }

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

  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }

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

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

  .bio-hero-inner {
    flex-direction: column;
    text-align: center;
    gap: 20px;
  }

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

  .legal-notice {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

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

  .footer-container {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .cta-container {
    padding: 48px 24px;
  }

  .section {
    padding: 48px 0;
  }

}

@media (max-width: 480px) {
  .hero-actions {
    flex-direction: column;
  }

  .hero-actions .btn {
    text-align: center;
    justify-content: center;
  }

  .stats-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .portfolio-filter {
    gap: 6px;
  }

  .filter-btn {
    padding: 8px 14px;
    font-size: 0.8125rem;
  }
}