:root {
  --color-primary: #4A90D9;
  --color-secondary: #6BB5E8;
  --color-accent: #F4A300;
  --color-bg: #0A0E1A;
  --color-surface: #121828;
  --color-text: #E0E4F0;
  --color-text-light: #8A92A8;

  --font-heading: 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
  --font-body: 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;

  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.35vw, 1.25rem);
  --text-xl: clamp(1.25rem, 1.1rem + 0.5vw, 1.5rem);
  --text-2xl: clamp(1.5rem, 1.2rem + 1vw, 2rem);
  --text-3xl: clamp(2rem, 1.5rem + 2vw, 3rem);
  --text-4xl: clamp(3rem, 2rem + 4vw, 5rem);

  --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;

  --radius-sm: 12px;
  --radius-md: 20px;
  --radius-lg: 999px;

  --shadow-sm: 0 2px 8px rgba(74, 144, 217, 0.08);
  --shadow-md: 0 4px 20px rgba(74, 144, 217, 0.15);
  --shadow-lg: 0 8px 40px rgba(74, 144, 217, 0.2);

  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 600ms ease-out;

  --max-width: min(90%, 72rem);
  --content-width: min(90%, 56rem);
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 100%;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.75;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  background-image:
    linear-gradient(rgba(255,255,255,0.015) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.015) 1px, transparent 1px);
  background-size: 80px 80px;
  overflow-x: hidden;
}

/* ===== SCROLL PROGRESS BAR ===== */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 0%;
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-secondary));
  z-index: 10002;
  transition: width 50ms linear;
}

/* ===== PAGE CURTAIN TRANSITION ===== */
.page-curtain {
  position: fixed;
  inset: 0;
  background: var(--color-primary);
  z-index: 99999;
  transform: translateY(-100%);
  will-change: transform;
}

.page-curtain.entering {
  transform: translateY(0%);
  animation: curtainEnter 0.4s cubic-bezier(0.77, 0, 0.175, 1) forwards;
}

.page-curtain.leaving {
  transform: translateY(0%);
  animation: curtainLeave 0.4s cubic-bezier(0.77, 0, 0.175, 1) forwards;
}

@keyframes curtainEnter {
  from { transform: translateY(100%); }
  to   { transform: translateY(0%); }
}

@keyframes curtainLeave {
  from { transform: translateY(0%); }
  to   { transform: translateY(-100%); }
}

/* ===== SKIP LINK ===== */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-md);
  background: var(--color-accent);
  color: var(--color-bg);
  padding: var(--space-sm) var(--space-lg);
  border-radius: var(--radius-lg);
  font-weight: 700;
  font-size: 0.85rem;
  text-decoration: none;
  z-index: 100000;
  transition: top var(--transition-fast);
}

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

/* ===== TYPOGRAPHY ===== */
h1 {
  font-family: var(--font-heading);
  font-size: var(--text-4xl);
  line-height: 1.05;
  letter-spacing: -0.03em;
  font-weight: 800;
  color: var(--color-text);
}

h2 {
  font-family: var(--font-heading);
  text-transform: uppercase;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--color-text);
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

h2::after {
  content: '';
  flex: 1;
  height: 1px;
  background: rgba(255,255,255,0.12);
}

h3 {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: 600;
  line-height: 1.3;
  color: var(--color-text);
}

h4 {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-text);
}

p {
  margin-block-end: var(--space-md);
  max-width: 65ch;
}

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

a:hover {
  color: var(--color-secondary);
}

a:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: 4px;
}

::selection {
  background: rgba(244, 163, 0, 0.3);
  color: var(--color-text);
}

.caption {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-light);
}

/* ===== NAVIGATION ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 10001;
  background: var(--color-surface);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  padding: var(--space-md) var(--space-xl);
  transition: background var(--transition-base);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: center;
  max-width: var(--max-width);
  margin: 0 auto;
  position: relative;
}

.nav-left,
.nav-right {
  display: flex;
  gap: var(--space-xl);
  flex: 1;
}

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

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

.nav-logo {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-text);
  text-decoration: none;
  padding-inline: var(--space-2xl);
  white-space: nowrap;
  letter-spacing: -0.01em;
}

.nav-link {
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  font-weight: 600;
  color: var(--color-text-light);
  text-decoration: none;
  transition: color var(--transition-fast);
  padding: var(--space-sm) 0;
  position: relative;
}

.nav-link:hover,
.nav-link[aria-current="page"] {
  color: var(--color-accent);
}

.nav-link[aria-current="page"]::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--color-accent);
  border-radius: var(--radius-lg);
}

.hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-sm);
  position: absolute;
  right: 0;
  z-index: 10002;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  margin-block: 5px;
  transition: all var(--transition-base);
  border-radius: 2px;
}

.hamburger[aria-expanded="true"] span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.hamburger[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.hamburger[aria-expanded="true"] span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

.mobile-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--color-bg);
  z-index: 10000;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-xl);
}

.mobile-overlay.active {
  display: flex;
}

.mobile-overlay .nav-link {
  font-size: 1rem;
  letter-spacing: 0.15em;
  padding: var(--space-md);
}

/* ===== SECTION STYLES ===== */
.section {
  position: relative;
  padding-block: 100px;
  padding-inline: var(--space-xl);
}

.section--surface {
  background: var(--color-surface);
}

.section--accent {
  background: var(--color-accent);
  color: var(--color-bg);
}

.section--accent h2,
.section--accent h3,
.section--accent h1,
.section--accent p {
  color: var(--color-bg);
}

.section--accent h2::after {
  background: rgba(10, 14, 26, 0.2);
}

.section--primary {
  background: var(--color-primary);
  color: #fff;
}

.section--primary h2,
.section--primary h3,
.section--primary p {
  color: #fff;
}

.section--primary h2::after {
  background: rgba(255,255,255,0.2);
}

.section-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.section-narrow {
  max-width: var(--content-width);
  margin: 0 auto;
}

/* Curved arch divider */
.section--arch::after {
  content: '';
  position: absolute;
  bottom: -50px;
  left: 0;
  width: 100%;
  height: 100px;
  background: inherit;
  border-radius: 0 0 50% 50% / 0 0 100% 100%;
  z-index: 2;
}

.section--arch + .section {
  padding-top: 150px;
}

/* ===== HORIZONTAL RULE RHYTHM MOTIF ===== */
.motif-lines {
  display: block;
  width: 80px;
  height: 18px;
  margin-block-end: var(--space-xl);
  background: repeating-linear-gradient(
    to bottom,
    var(--color-accent) 0px,
    var(--color-accent) 2px,
    transparent 2px,
    transparent 6px
  );
}

.motif-lines--light {
  background: repeating-linear-gradient(
    to bottom,
    rgba(255,255,255,0.4) 0px,
    rgba(255,255,255,0.4) 2px,
    transparent 2px,
    transparent 6px
  );
}

.motif-lines--dark {
  background: repeating-linear-gradient(
    to bottom,
    var(--color-bg) 0px,
    var(--color-bg) 2px,
    transparent 2px,
    transparent 6px
  );
}

/* ===== HERO ===== */
.hero {
  min-height: 85vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  padding-top: 80px;
}

.hero-content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: var(--space-3xl) var(--space-2xl);
  padding-inline-start: clamp(var(--space-xl), 5vw, var(--space-5xl));
}

.hero-visual {
  background: rgba(74, 144, 217, 0.06);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero h1 .char {
  display: inline-block;
  opacity: 0;
  transform: translateY(40px);
}

.hero h1 .char.revealed {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.hero h1 .space-char {
  width: 0.3em;
  display: inline-block;
}

.hero-subtitle {
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.6s ease 0.8s;
  margin-block: var(--space-xl);
  color: var(--color-text-light);
  font-size: var(--text-lg);
  max-width: 50ch;
}

.hero-subtitle.revealed {
  opacity: 1;
  transform: translateY(0);
}

.hero-ctas {
  display: flex;
  gap: var(--space-xl);
  align-items: center;
  opacity: 0;
  transform: scale(0.9);
  transition: all 0.5s cubic-bezier(0.34, 1.56, 0.64, 1) 1.2s;
}

.hero-ctas.revealed {
  opacity: 1;
  transform: scale(1);
}

/* Wave placeholders */
.wave-placeholder {
  position: relative;
  width: 100%;
  aspect-ratio: 4/3;
  overflow: hidden;
  border-radius: var(--radius-md);
}

.wave-placeholder .wave-shape {
  position: absolute;
  border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
  opacity: 0.12;
}

.wave-shape--1 {
  width: 80%;
  height: 80%;
  top: 10%;
  left: 10%;
  background: var(--color-primary);
  animation: waveFloat1 20s ease-in-out infinite;
}

.wave-shape--2 {
  width: 60%;
  height: 60%;
  top: 25%;
  left: 25%;
  background: var(--color-secondary);
  animation: waveFloat2 18s ease-in-out infinite reverse;
}

.wave-shape--3 {
  width: 50%;
  height: 50%;
  top: 30%;
  left: 35%;
  background: var(--color-accent);
  animation: waveFloat3 22s ease-in-out infinite;
}

@keyframes waveFloat1 {
  0%, 100% { transform: rotate(0deg) scale(1); }
  33% { transform: rotate(10deg) scale(1.05); }
  66% { transform: rotate(-5deg) scale(0.95); }
}

@keyframes waveFloat2 {
  0%, 100% { transform: rotate(0deg) translate(0, 0); }
  50% { transform: rotate(-10deg) translate(10px, -10px); }
}

@keyframes waveFloat3 {
  0%, 100% { transform: rotate(0deg) scale(1); }
  50% { transform: rotate(15deg) scale(1.1); }
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  border: none;
  background: none;
  padding: var(--space-sm) 0;
  min-height: 44px;
}

.btn:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 4px;
  border-radius: 4px;
}

.btn-primary {
  color: var(--color-accent);
  position: relative;
}

.btn-primary::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: width var(--transition-base);
}

.btn-primary:hover::after {
  width: 100%;
}

.btn-primary:hover {
  color: var(--color-accent);
}

.btn-secondary {
  color: var(--color-text-light);
  position: relative;
}

.btn-secondary::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-text-light);
  transition: width var(--transition-base);
}

.btn-secondary:hover::after {
  width: 100%;
}

.btn-filled {
  background: var(--color-accent);
  color: var(--color-bg);
  padding: var(--space-md) var(--space-2xl);
  border-radius: var(--radius-lg);
  box-shadow: 0 4px 20px rgba(244, 163, 0, 0.25);
}

.btn-filled:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 28px rgba(244, 163, 0, 0.35);
  color: var(--color-bg);
}

.btn-filled--dark {
  background: var(--color-bg);
  color: var(--color-accent);
  padding: var(--space-md) var(--space-2xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.btn-filled--dark:hover {
  transform: translateY(-2px);
  color: var(--color-accent);
}

/* ===== CARDS ===== */
.card {
  background: var(--color-surface);
  border-radius: var(--radius-sm);
  padding: var(--space-2xl);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  position: relative;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg,
    var(--color-accent) 0%,
    var(--color-accent) 33%,
    transparent 33%,
    transparent 37%,
    var(--color-primary) 37%,
    var(--color-primary) 60%,
    transparent 60%,
    transparent 64%,
    var(--color-secondary) 64%,
    var(--color-secondary) 80%
  );
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
}

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

/* ===== FEATURE CARDS (SPLIT ICON + TEXT) ===== */
.feature-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
}

.feature-card {
  display: flex;
  align-items: flex-start;
  gap: var(--space-lg);
  padding: var(--space-lg);
  border-left: 4px solid var(--color-accent);
  transition: background var(--transition-base);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.feature-card:hover {
  background: rgba(74, 144, 217, 0.04);
}

.feature-icon {
  width: 56px;
  height: 56px;
  min-width: 56px;
  border-radius: 50%;
  background: rgba(74, 144, 217, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: var(--color-primary);
}

.feature-text h3 {
  margin-block-end: var(--space-sm);
}

.feature-text p {
  color: var(--color-text-light);
  margin: 0;
  font-size: 0.95rem;
}

/* ===== SPLIT CONTENT SECTIONS ===== */
.split-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: center;
  min-height: 50vh;
}

.split-grid--reverse {
  direction: rtl;
}

.split-grid--reverse > * {
  direction: ltr;
}

.split-visual {
  border-radius: 16px;
  background: rgba(244, 163, 0, 0.06);
  aspect-ratio: 4/3;
  overflow: hidden;
  position: relative;
}

/* ===== PROCESS / TIMELINE ===== */
.process-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-2xl);
  counter-reset: step-counter;
}

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

.process-step::before {
  content: counter(step-counter, decimal-leading-zero);
  display: block;
  font-size: var(--text-3xl);
  font-weight: 800;
  color: var(--color-accent);
  margin-block-end: var(--space-md);
  line-height: 1;
}

.process-step h3 {
  margin-block-end: var(--space-sm);
  font-size: var(--text-base);
}

.process-step p {
  color: var(--color-text-light);
  font-size: 0.9rem;
  margin: 0 auto;
  max-width: 30ch;
}

.process-step .timeframe {
  display: inline-block;
  margin-block-start: var(--space-sm);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  font-weight: 600;
}

/* ===== TESTIMONIALS ===== */
.testimonials-stack {
  display: flex;
  flex-direction: column;
  gap: var(--space-2xl);
}

.testimonial {
  border-left: 3px solid var(--color-accent);
  padding-inline-start: var(--space-xl);
  max-width: 60ch;
}

.testimonial p {
  font-size: var(--text-lg);
  line-height: 1.65;
  color: var(--color-text);
  font-style: italic;
}

.testimonial cite {
  display: block;
  margin-block-start: var(--space-md);
  font-size: 0.85rem;
  font-style: normal;
  color: var(--color-text-light);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* ===== STATS BANNER ===== */
.stats-banner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-xl);
  text-align: center;
  padding-block: var(--space-3xl);
}

.stat-item .stat-number {
  font-size: var(--text-3xl);
  font-weight: 800;
  display: block;
  line-height: 1.1;
}

.stat-item .stat-label {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  opacity: 0.75;
  margin-block-start: var(--space-sm);
  display: block;
}

/* ===== TABS ===== */
.tabs-nav {
  display: flex;
  gap: var(--space-md);
  margin-block-end: var(--space-2xl);
  flex-wrap: wrap;
}

.tab-btn {
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  background: none;
  border: 1px solid rgba(255,255,255,0.1);
  color: var(--color-text-light);
  padding: var(--space-md) var(--space-xl);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-base);
  min-height: 44px;
}

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

.tab-btn.active {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-bg);
}

.tab-btn:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
}

.service-detail {
  padding: var(--space-2xl);
  border-left: 4px solid var(--color-accent);
  margin-block-end: var(--space-2xl);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: rgba(74, 144, 217, 0.03);
}

.service-detail h3 {
  margin-block-end: var(--space-md);
}

.service-detail ul {
  list-style: none;
  padding: 0;
  margin-block: var(--space-md);
}

.service-detail ul li {
  padding: var(--space-sm) 0;
  padding-inline-start: var(--space-lg);
  position: relative;
  color: var(--color-text-light);
}

.service-detail ul li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--color-accent);
  font-weight: 700;
}

/* ===== PORTFOLIO / MASONRY ===== */
.filter-bar {
  display: flex;
  gap: var(--space-md);
  margin-block-end: var(--space-2xl);
  flex-wrap: wrap;
}

.filter-btn {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  background: none;
  border: 1px solid rgba(255,255,255,0.08);
  color: var(--color-text-light);
  padding: var(--space-sm) var(--space-lg);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-base);
  min-height: 44px;
}

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

.filter-btn:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

.masonry-grid {
  columns: 3;
  column-gap: var(--space-xl);
}

.masonry-item {
  break-inside: avoid;
  margin-block-end: var(--space-xl);
  background: var(--color-surface);
  border-radius: var(--radius-sm);
  overflow: hidden;
  cursor: pointer;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  box-shadow: var(--shadow-sm);
}

.masonry-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.masonry-item.hidden {
  display: none;
}

.masonry-thumb {
  aspect-ratio: 16/10;
  position: relative;
  overflow: hidden;
}

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

.masonry-info .category-tag {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  font-weight: 600;
}

.masonry-info h3 {
  font-size: var(--text-base);
  margin-block: var(--space-sm);
}

.masonry-info p {
  font-size: 0.9rem;
  color: var(--color-text-light);
  margin: 0;
}

/* Portfolio detail overlay */
.portfolio-detail {
  display: none;
  background: var(--color-surface);
  border-radius: var(--radius-sm);
  padding: var(--space-2xl);
  margin-block-start: var(--space-xl);
  border: 1px solid rgba(255,255,255,0.06);
}

.portfolio-detail.active {
  display: block;
}

.portfolio-detail h3 {
  margin-block-end: var(--space-md);
  font-size: var(--text-2xl);
}

.detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: var(--space-xl);
  margin-block-start: var(--space-xl);
}

.detail-block h4 {
  color: var(--color-accent);
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  margin-block-end: var(--space-sm);
}

.detail-block p {
  font-size: 0.95rem;
  color: var(--color-text-light);
}

.close-detail {
  font-family: var(--font-body);
  background: none;
  border: 1px solid rgba(255,255,255,0.1);
  color: var(--color-text-light);
  padding: var(--space-sm) var(--space-lg);
  border-radius: var(--radius-lg);
  cursor: pointer;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-block-start: var(--space-xl);
  min-height: 44px;
  transition: all var(--transition-base);
}

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

.close-detail:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

/* ===== FAQ ===== */
.faq-search {
  max-width: 600px;
  margin: 0 auto var(--space-2xl);
  position: relative;
}

.faq-search input {
  width: 100%;
  font-family: var(--font-body);
  font-size: var(--text-base);
  padding: var(--space-lg) var(--space-xl);
  background: var(--color-surface);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-lg);
  color: var(--color-text);
  transition: border-color var(--transition-base);
}

.faq-search input:focus {
  outline: none;
  border-color: var(--color-accent);
}

.faq-search input::placeholder {
  color: var(--color-text-light);
}

.faq-chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  justify-content: center;
  margin-block-end: var(--space-3xl);
}

.faq-chip {
  font-family: var(--font-body);
  font-size: 0.8rem;
  background: rgba(244, 163, 0, 0.08);
  border: 1px solid rgba(244, 163, 0, 0.2);
  color: var(--color-accent);
  padding: var(--space-sm) var(--space-lg);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-base);
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}

.faq-chip:hover {
  background: var(--color-accent);
  color: var(--color-bg);
}

.faq-chip:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

.faq-list {
  max-width: 700px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.faq-question {
  width: 100%;
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 600;
  text-align: left;
  background: none;
  border: none;
  color: var(--color-text);
  padding: var(--space-lg) 0;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-md);
  min-height: 44px;
  transition: color var(--transition-fast);
}

.faq-question:hover {
  color: var(--color-accent);
}

.faq-question:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
  border-radius: 4px;
}

.faq-question .faq-icon {
  font-size: 1.2rem;
  transition: transform var(--transition-base);
  flex-shrink: 0;
  color: var(--color-accent);
}

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

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}

.faq-answer-inner {
  padding-block-end: var(--space-xl);
  color: var(--color-text-light);
  line-height: 1.7;
}

.faq-item.active .faq-answer {
  max-height: 600px;
}

/* ===== CONTACT SPLIT ===== */
.contact-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 80vh;
}

.contact-info-panel {
  background: var(--color-accent);
  padding: var(--space-3xl);
  display: flex;
  flex-direction: column;
  justify-content: center;
  color: var(--color-bg);
}

.contact-info-panel h1 {
  color: var(--color-bg);
  margin-block-end: var(--space-xl);
}

.contact-info-panel .motif-lines {
  background: repeating-linear-gradient(
    to bottom,
    var(--color-bg) 0px,
    var(--color-bg) 2px,
    transparent 2px,
    transparent 6px
  );
}

.contact-detail {
  margin-block-end: var(--space-xl);
}

.contact-detail .label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-weight: 600;
  opacity: 0.7;
  margin-block-end: var(--space-xs);
}

.contact-detail p {
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-bg);
  margin: 0;
}

.contact-form-panel {
  padding: var(--space-3xl);
  display: flex;
  flex-direction: column;
  justify-content: center;
  background: var(--color-bg);
}

/* ===== FORMS ===== */
.form-group {
  margin-block-end: var(--space-lg);
}

.form-card {
  background: var(--color-surface);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius-sm);
  padding: var(--space-xl);
  margin-block-end: var(--space-xl);
}

.form-card-title {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-weight: 700;
  color: var(--color-accent);
  margin-block-end: var(--space-lg);
}

label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text-light);
  margin-block-end: var(--space-sm);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

input[type="text"],
input[type="email"],
input[type="tel"],
input[type="search"],
textarea,
select {
  width: 100%;
  font-family: var(--font-body);
  font-size: var(--text-base);
  padding: var(--space-md) var(--space-lg);
  background: var(--color-bg);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-lg);
  color: var(--color-text);
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

input:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(244, 163, 0, 0.15);
}

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

select {
  cursor: pointer;
  appearance: none;
}

.form-reassurance {
  font-size: 0.85rem;
  color: var(--color-text-light);
  margin-block-start: var(--space-md);
  font-style: italic;
}

/* ===== ABOUT MOSAIC ===== */
.mosaic-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-auto-rows: auto;
  gap: var(--space-xl);
}

.mosaic-item {
  border-radius: var(--radius-sm);
  padding: var(--space-xl);
}

.mosaic-item--wide {
  grid-column: span 2;
}

.mosaic-item--tall {
  grid-row: span 2;
}

.mosaic-item--text {
  background: var(--color-surface);
}

.mosaic-item--stat {
  background: rgba(244, 163, 0, 0.08);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.mosaic-item--quote {
  background: rgba(74, 144, 217, 0.06);
  border-left: 3px solid var(--color-accent);
  display: flex;
  align-items: center;
}

.mosaic-item--visual {
  overflow: hidden;
  padding: 0;
  position: relative;
  min-height: 200px;
}

.mosaic-stat-number {
  font-size: var(--text-3xl);
  font-weight: 800;
  color: var(--color-accent);
  line-height: 1;
}

.mosaic-stat-label {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-light);
  margin-block-start: var(--space-sm);
}

/* Team */
.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-xl);
}

.team-member {
  text-align: center;
  padding: var(--space-xl);
}

.team-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  margin: 0 auto var(--space-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--color-bg);
}

.team-avatar--1 { background: var(--color-accent); }
.team-avatar--2 { background: var(--color-primary); }
.team-avatar--3 { background: var(--color-secondary); }
.team-avatar--4 { background: #7B8EC8; }

.team-member h3 {
  margin-block-end: var(--space-xs);
  font-size: var(--text-base);
}

.team-member .role {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-accent);
  font-weight: 600;
  margin-block-end: var(--space-md);
}

.team-member p {
  color: var(--color-text-light);
  font-size: 0.9rem;
  margin: 0 auto;
  max-width: 35ch;
}

/* ===== WHY US ===== */
.differentiators {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-2xl);
}

.differentiator {
  text-align: center;
  padding: var(--space-xl);
}

.diff-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  margin: 0 auto var(--space-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  background: rgba(244, 163, 0, 0.1);
}

.differentiator h3 {
  margin-block-end: var(--space-sm);
}

.differentiator p {
  color: var(--color-text-light);
  font-size: 0.95rem;
  margin: 0 auto;
  max-width: 35ch;
}

/* ===== CTA SECTION ===== */
.cta-section {
  text-align: center;
  padding-block: var(--space-5xl);
}

.cta-section h2 {
  justify-content: center;
}

.cta-section h2::after {
  display: none;
}

.cta-section p {
  margin-inline: auto;
  margin-block: var(--space-xl);
}

.cta-buttons {
  display: flex;
  gap: var(--space-xl);
  justify-content: center;
  align-items: center;
  margin-block-start: var(--space-xl);
}

/* ===== BACK TO TOP ===== */
.back-to-top {
  position: fixed;
  bottom: var(--space-xl);
  right: var(--space-xl);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-accent);
  color: var(--color-bg);
  border: none;
  cursor: pointer;
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--transition-base);
  box-shadow: 0 4px 20px rgba(244, 163, 0, 0.3);
}

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

.back-to-top:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 28px rgba(244, 163, 0, 0.4);
}

.back-to-top:focus-visible {
  outline: 2px solid var(--color-text);
  outline-offset: 3px;
}

/* ===== COOKIE BANNER ===== */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--color-surface);
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: var(--space-lg) var(--space-xl);
  z-index: 10003;
  display: none;
  box-shadow: 0 -4px 20px rgba(0,0,0,0.3);
}

.cookie-banner.visible {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xl);
  flex-wrap: wrap;
}

.cookie-banner p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--color-text-light);
  max-width: 60ch;
}

.cookie-actions {
  display: flex;
  gap: var(--space-md);
  flex-shrink: 0;
}

.cookie-accept,
.cookie-decline {
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: var(--space-sm) var(--space-lg);
  border-radius: var(--radius-lg);
  cursor: pointer;
  min-height: 44px;
  transition: all var(--transition-base);
}

.cookie-accept {
  background: var(--color-accent);
  color: var(--color-bg);
  border: none;
}

.cookie-accept:hover {
  box-shadow: 0 4px 16px rgba(244, 163, 0, 0.3);
}

.cookie-decline {
  background: none;
  border: 1px solid rgba(255,255,255,0.15);
  color: var(--color-text-light);
}

.cookie-decline:hover {
  border-color: var(--color-text-light);
}

.cookie-accept:focus-visible,
.cookie-decline:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

/* ===== FOOTER ===== */
.site-footer {
  background: var(--color-primary);
  color: #fff;
  padding: var(--space-3xl) var(--space-2xl) var(--space-xl);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: var(--space-2xl);
  max-width: var(--max-width);
  margin: 0 auto;
}

.footer-col h4 {
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 600;
  margin-block-end: var(--space-md);
  opacity: 0.9;
  color: #fff;
}

.footer-col p {
  font-size: 0.9rem;
  opacity: 0.75;
  line-height: 1.7;
  color: #fff;
}

.footer-col a {
  color: #fff;
  opacity: 0.75;
  transition: opacity var(--transition-fast);
}

.footer-col a:hover {
  opacity: 1;
  color: #fff;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  line-height: 2.2;
}

.footer-links a {
  font-size: 0.9rem;
}

.footer-contact-line {
  font-size: 0.9rem;
  opacity: 0.75;
  margin-block-end: var(--space-sm);
  color: #fff;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.15);
  padding-block-start: var(--space-lg);
  margin-block-start: var(--space-2xl);
  max-width: var(--max-width);
  margin-inline: auto;
  text-align: center;
}

.footer-bottom p {
  font-size: 0.75rem;
  opacity: 0.5;
  color: #fff;
  margin: 0 auto;
}

/* Footer horizontal rule rhythm */
.footer-decoration {
  display: flex;
  gap: 6px;
  justify-content: center;
  margin-block-end: var(--space-2xl);
}

.footer-decoration span {
  display: block;
  height: 2px;
  background: rgba(255,255,255,0.3);
}

.footer-decoration span:nth-child(1) { width: 60px; }
.footer-decoration span:nth-child(2) { width: 40px; opacity: 0.6; }
.footer-decoration span:nth-child(3) { width: 20px; opacity: 0.3; }

/* ===== LEGAL PAGES ===== */
.legal-content {
  max-width: var(--content-width);
  margin: 0 auto;
  padding-block: var(--space-3xl);
}

.legal-content h1 {
  margin-block-end: var(--space-xl);
}

.legal-content h3 {
  margin-block: var(--space-xl) var(--space-md);
}

.legal-content p {
  color: var(--color-text-light);
  margin-block-end: var(--space-lg);
}

.legal-content ul {
  list-style: none;
  padding-inline-start: var(--space-lg);
  margin-block: var(--space-md);
}

.legal-content ul li {
  padding: var(--space-sm) 0;
  color: var(--color-text-light);
  position: relative;
  padding-inline-start: var(--space-lg);
}

.legal-content ul li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--color-accent);
}

.last-updated {
  font-size: 0.85rem;
  color: var(--color-text-light);
  font-style: italic;
  margin-block-end: var(--space-2xl);
}

/* ===== ANIMATIONS ===== */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

.stagger-group .stagger-item {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94), transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.stagger-group.revealed .stagger-item:nth-child(1) { transition-delay: 0s; }
.stagger-group.revealed .stagger-item:nth-child(2) { transition-delay: 0.08s; }
.stagger-group.revealed .stagger-item:nth-child(3) { transition-delay: 0.16s; }
.stagger-group.revealed .stagger-item:nth-child(4) { transition-delay: 0.24s; }
.stagger-group.revealed .stagger-item:nth-child(5) { transition-delay: 0.32s; }
.stagger-group.revealed .stagger-item:nth-child(6) { transition-delay: 0.40s; }

.stagger-group.revealed .stagger-item {
  opacity: 1;
  transform: translateY(0);
}

/* ===== PAGE-SPECIFIC HERO ===== */
.page-hero {
  min-height: 50vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-5xl) var(--space-xl);
  padding-top: calc(var(--space-5xl) + 80px);
  position: relative;
}

.page-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(ellipse at center, rgba(74, 144, 217, 0.06) 0%, transparent 70%);
}

.page-hero-inner {
  position: relative;
  z-index: 1;
  max-width: 50ch;
}

.page-hero h1 {
  margin-block-end: var(--space-lg);
}

.page-hero p {
  color: var(--color-text-light);
  font-size: var(--text-lg);
  margin: 0 auto;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1280px) {
  .masonry-grid {
    columns: 2;
  }

  .footer-grid {
    gap: var(--space-xl);
  }
}

@media (max-width: 1024px) {
  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .hero-visual {
    display: none;
  }

  .hero-content {
    padding: var(--space-5xl) var(--space-xl);
    padding-top: calc(var(--space-5xl) + 80px);
    min-height: 70vh;
    justify-content: center;
  }

  .split-grid {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
    min-height: auto;
  }

  .split-grid--reverse {
    direction: ltr;
  }

  .split-visual {
    max-height: 350px;
  }

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

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

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

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

  .mosaic-item--wide {
    grid-column: span 1;
  }

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

  .contact-info-panel {
    padding: var(--space-2xl);
  }

  .contact-form-panel {
    padding: var(--space-2xl);
  }
}

@media (max-width: 768px) {
  .nav-left,
  .nav-right {
    display: none;
  }

  .hamburger {
    display: block;
  }

  .nav-container {
    justify-content: space-between;
  }

  .nav-logo {
    padding-inline: 0;
    font-size: 1.1rem;
  }

  .section {
    padding-block: 60px;
    padding-inline: var(--space-lg);
  }

  .section--arch + .section {
    padding-top: 100px;
  }

  .masonry-grid {
    columns: 1;
  }

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

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

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

  .mosaic-item--wide {
    grid-column: span 1;
  }

  .mosaic-item--tall {
    grid-row: span 1;
  }

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

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

@media (max-width: 640px) {
  .section {
    padding-block: 48px;
    padding-inline: var(--space-md);
  }

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

  .stats-banner {
    grid-template-columns: 1fr;
  }

  .tabs-nav {
    flex-direction: column;
  }

  .tab-btn {
    width: 100%;
    text-align: center;
  }

  .filter-bar {
    justify-content: center;
  }

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

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

/* ===== REDUCED MOTION ===== */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }

  .animate-on-scroll {
    opacity: 1;
    transform: none;
  }

  .stagger-group .stagger-item {
    opacity: 1;
    transform: none;
  }

  .hero h1 .char {
    opacity: 1;
    transform: none;
  }

  .hero-subtitle,
  .hero-ctas {
    opacity: 1;
    transform: none;
  }

  .page-curtain {
    display: none !important;
  }

  .wave-shape {
    animation: none !important;
  }

  html {
    scroll-behavior: auto;
  }
}