/* ==========================================
   Khaoscrea — Stylesheet
   ========================================== */

/* ---------- Design tokens ---------- */
:root {
  /* Colors */
  --color-bg: #ffffff;
  --color-bg-alt: #f4f4f4;
  --color-bg-dark: #0a0a0a;
  --color-bg-dark-alt: #141414;
  --color-text: #171a20;
  --color-text-dim: #5c5e62;
  --color-text-inverse: #f5f5f5;
  --color-text-inverse-dim: #a6a6a6;
  --color-border: #e6e6e6;
  --color-border-dark: #262626;
  --color-accent: #171a20;
  --color-accent-hover: #000000;
  --color-red: #e82127;
  --color-success: #0d8f3f;
  --color-error: #d93025;

  /* Typography */
  --font-display: 'Manrope', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  --font-body: 'Inter', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;

  /* Spacing */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --space-8: 64px;
  --space-9: 96px;
  --space-10: 128px;

  /* Layout */
  --nav-height: 50px;
  --container-max: 1440px;
  --content-max: 1200px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-pill: 999px;

  /* Motion */
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --dur-fast: 180ms;
  --dur: 280ms;
  --dur-slow: 500ms;
}

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

html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
  text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.5;
  font-size: 15px;
  font-weight: 400;
  overflow-x: hidden;
}

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

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

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

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

/* ---------- Typography ---------- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-text-dim);
}

.display-xl {
  font-size: clamp(2.55rem, 5vw, 5.2rem);
  font-weight: 500;
  letter-spacing: -0.035em;
  line-height: 1.02;
}

.display-lg {
  font-size: clamp(2.25rem, 5.2vw, 3.75rem);
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 1.05;
}

.display-md {
  font-size: clamp(1.75rem, 3.6vw, 2.5rem);
  font-weight: 500;
  letter-spacing: -0.025em;
  line-height: 1.1;
}

.display-sm {
  font-size: clamp(1.25rem, 2vw, 1.5rem);
  font-weight: 600;
  letter-spacing: -0.02em;
}

.lead {
  font-size: clamp(1rem, 1.35vw, 1.2rem);
  font-weight: 400;
  line-height: 1.55;
  color: var(--color-text-dim);
}

/* ---------- Layout utilities ---------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.container-narrow {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.section {
  padding: var(--space-10) 0;
}

.section-sm {
  padding: var(--space-8) 0;
}

@media (max-width: 768px) {
  .section { padding: var(--space-8) 0; }
  .section-sm { padding: var(--space-7) 0; }
  .mobil-padding {margin-top: 80px}
  .container,
  .container-narrow { padding: 0 var(--space-5); }
}

/* ==========================================
   NAVIGATION
   ========================================== */
.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-6);
  z-index: 100;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  transition: background var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.site-nav.is-scrolled {
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.04);
}

.nav-brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: -0.01em;
  padding: var(--space-2) var(--space-3);
  flex-shrink: 0;
}

.nav-brand span {
  font-weight: 300;
  opacity: 0.7;
}

.nav-primary {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  flex: 1;
  justify-content: center;
}

.nav-link {
  position: relative;
  padding: var(--space-2) var(--space-4);
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text);
  border-radius: var(--radius-sm);
  transition: background var(--dur-fast) var(--ease);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  white-space: nowrap;
}

.nav-link:hover,
.nav-link:focus-visible {
  background: rgba(0, 0, 0, 0.05);
  outline: none;
}

.nav-link .caret {
  width: 10px;
  height: 10px;
  opacity: 0.6;
  transition: transform var(--dur-fast) var(--ease);
}

.nav-link[aria-expanded="true"] .caret {
  transform: rotate(180deg);
}

.nav-secondary {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  flex-shrink: 0;
}

/* ---------- Language switcher ---------- */
.lang-switcher {
  position: relative;
}

.lang-toggle {
  padding: var(--space-2) var(--space-3);
  font-size: 13px;
  font-weight: 500;
  border-radius: var(--radius-sm);
  transition: background var(--dur-fast) var(--ease);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

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

.lang-toggle svg {
  width: 14px;
  height: 14px;
  opacity: 0.7;
}

.lang-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 160px;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
  padding: var(--space-2);
  opacity: 0;
  transform: translateY(-4px);
  pointer-events: none;
  transition: opacity var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease);
  z-index: 200;
}

.lang-dropdown.is-open {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.lang-option {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: var(--space-2) var(--space-3);
  font-size: 13px;
  border-radius: var(--radius-sm);
  text-align: left;
  transition: background var(--dur-fast) var(--ease);
}

.lang-option:hover {
  background: var(--color-bg-alt);
}

.lang-option.is-active {
  font-weight: 600;
}

.lang-option .check {
  width: 14px;
  height: 14px;
  opacity: 0;
}

.lang-option.is-active .check {
  opacity: 1;
}

/* ---------- Mobile menu toggle ---------- */
.mobile-menu-toggle {
  display: none;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
}

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

.mobile-menu-toggle svg {
  width: 22px;
  height: 22px;
}

@media (max-width: 1024px) {
  .nav-primary {
    display: none;
  }
  .mobile-menu-toggle {
    display: inline-flex;
  }
}

/* ==========================================
   MEGA MENU (Tesla-style)
   ========================================== */
.mega-menu {
  position: fixed;
  top: var(--nav-height);
  left: 0;
  right: 0;
  background: #fff;
  border-top: 1px solid var(--color-border);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.08);
  opacity: 0;
  transform: translateY(-8px);
  pointer-events: none;
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease);
  z-index: 99;
  max-height: calc(100vh - var(--nav-height));
  overflow-y: auto;
}

.mega-menu.is-open {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.mega-menu-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: var(--space-7) var(--space-6);
  display: grid;
  grid-template-columns: repeat(5, 1fr) 1.2fr;
  gap: var(--space-6);
}

.mega-col {
  min-width: 0;
}

.mega-col-header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--color-border);
}

.mega-icon {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-alt);
  border-radius: var(--radius-md);
  flex-shrink: 0;
}

.mega-icon svg {
  width: 18px;
  height: 18px;
  stroke: var(--color-text);
  stroke-width: 1.5;
  fill: none;
}

.mega-col-title {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.2;
}

.mega-col-desc {
  font-size: 11px;
  color: var(--color-text-dim);
  margin-top: 2px;
  line-height: 1.3;
}

.mega-col-head {
  min-width: 0;
}

.mega-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.mega-list a {
  display: block;
  padding: var(--space-2) var(--space-3);
  margin-left: calc(-1 * var(--space-3));
  font-size: 13px;
  color: var(--color-text);
  border-radius: var(--radius-sm);
  transition: background var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease);
}

.mega-list a:hover {
  background: var(--color-bg-alt);
  color: var(--color-accent);
}

.mega-cta {
  background: var(--color-bg-dark);
  color: var(--color-text-inverse);
  padding: var(--space-6);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 200px;
  position: relative;
  overflow: hidden;
}

.mega-cta::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -30%;
  width: 280px;
  height: 280px;
  background: radial-gradient(circle, rgba(232, 33, 39, 0.25), transparent 70%);
  pointer-events: none;
}

.mega-cta-title {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  letter-spacing: -0.02em;
  position: relative;
}

.mega-cta-desc {
  font-size: 13px;
  color: var(--color-text-inverse-dim);
  margin-top: var(--space-2);
  position: relative;
}

.mega-cta-btn {
  align-self: flex-start;
  margin-top: var(--space-5);
  padding: 10px 18px;
  background: #fff;
  color: var(--color-text);
  border-radius: var(--radius-pill);
  font-size: 13px;
  font-weight: 500;
  transition: transform var(--dur-fast) var(--ease);
  position: relative;
}

.mega-cta-btn:hover {
  transform: translateY(-1px);
}

@media (max-width: 1200px) {
  .mega-menu-inner {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ==========================================
   MOBILE MENU
   ========================================== */
.mobile-menu {
  position: fixed;
  inset: 0;
  background: #fff;
  z-index: 200;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--dur) var(--ease);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

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

.mobile-menu-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-5);
  height: var(--nav-height);
  border-bottom: 1px solid var(--color-border);
}

.mobile-menu-close {
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
}

.mobile-menu-close:hover {
  background: var(--color-bg-alt);
}

.mobile-menu-close svg {
  width: 22px;
  height: 22px;
}

.mobile-menu-body {
  padding: var(--space-5);
  flex: 1;
}

.mobile-menu-item {
  border-bottom: 1px solid var(--color-border);
}

.mobile-menu-item > a,
.mobile-submenu-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: var(--space-4) 0;
  font-size: 17px;
  font-weight: 500;
  font-family: var(--font-display);
  text-align: left;
  color: var(--color-text);
}

.mobile-submenu-toggle svg {
  width: 16px;
  height: 16px;
  transition: transform var(--dur-fast) var(--ease);
}

.mobile-menu-item.is-expanded .mobile-submenu-toggle svg {
  transform: rotate(180deg);
}

.mobile-submenu {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--dur) var(--ease);
}

.mobile-menu-item.is-expanded .mobile-submenu {
  max-height: 600px;
}

.mobile-submenu a {
  display: block;
  padding: 10px 0 10px var(--space-4);
  font-size: 14px;
  color: var(--color-text-dim);
}

.mobile-submenu a:last-child {
  padding-bottom: var(--space-4);
}

.mobile-menu-footer {
  padding: var(--space-5);
  border-top: 1px solid var(--color-border);
  display: flex;
  gap: var(--space-2);
}

.mobile-lang-btn {
  flex: 1;
  padding: var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: all var(--dur-fast) var(--ease);
}

.mobile-lang-btn.is-active {
  background: var(--color-text);
  color: var(--color-text-inverse);
  border-color: var(--color-text);
}

/* ==========================================
   BUTTONS
   ========================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 13px 32px;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.02em;
  border-radius: var(--radius-pill);
  transition: all var(--dur-fast) var(--ease);
  cursor: pointer;
  min-width: 200px;
  text-align: center;
}

.btn-primary {
  background: var(--color-text);
  color: var(--color-text-inverse);
}

.btn-primary:hover {
  background: var(--color-accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.btn-secondary {
  background: rgba(244, 244, 244, 0.7);
  color: var(--color-text);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: rgba(230, 230, 230, 0.9);
  transform: translateY(-1px);
}

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

.btn-outline:hover {
  background: var(--color-text);
  color: var(--color-text-inverse);
}

.btn-on-dark {
  background: #fff;
  color: var(--color-text);
}

.btn-on-dark:hover {
  background: var(--color-text-inverse);
}

.btn-sm {
  padding: 10px 20px;
  font-size: 13px;
  min-width: auto;
}

.btn-lg {
  padding: 16px 40px;
  font-size: 15px;
}

.btn-arrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text);
  transition: gap var(--dur-fast) var(--ease);
}

.btn-arrow:hover {
  gap: 12px;
}

.btn-arrow svg {
  width: 14px;
  height: 14px;
}

/* ==========================================
   HERO (Tesla-style full-screen)
   ========================================== */
.hero {
  position: relative;
  min-height: calc(100vh - var(--nav-height));
  padding: var(--nav-height) 0 var(--space-7);
  margin-top: var(--nav-height);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: center;
  text-align: center;
  overflow: hidden;
  background: #0a0a0a;
  color: var(--color-text-inverse);
}

.hero-bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
  z-index: 0;
}

.hero-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 50% 0%, rgba(232, 33, 39, 0.22), transparent 55%),
    radial-gradient(ellipse at 20% 90%, rgba(120, 120, 255, 0.12), transparent 55%),
    radial-gradient(ellipse at 80% 70%, rgba(100, 200, 255, 0.1), transparent 50%),
    #0a0a0a;
  animation: heroGlow 12s ease-in-out infinite alternate;
}

@keyframes heroGlow {
  0%   { filter: hue-rotate(0deg) brightness(1); }
  100% { filter: hue-rotate(-12deg) brightness(1.1); }
}

.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
}

.hero-content {
  position: relative;
  z-index: 2;
  padding: var(--space-9) var(--space-5) 0;
  max-width: 1000px;
}

.hero-eyebrow {
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: var(--space-4);
}

.hero-title {
  color: #fff;
  margin-bottom: var(--space-4);
}

.hero-subtitle {
  color: rgba(255, 255, 255, 0.75);
  max-width: 620px;
  margin: 0 auto;
}

.hero-actions {
  position: relative;
  z-index: 2;
  display: flex;
  margin-bottom: 10px;
  gap: var(--space-3);
  flex-wrap: wrap;
  justify-content: center;
  padding: 0 var(--space-5) var(--space-5);
}

.hero-scroll {
  position: absolute;
  bottom: var(--space-5);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  color: rgba(255, 255, 255, 0.5);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  animation: bounce 2s ease-in-out infinite;
  z-index: 2;
}

.hero-scroll svg {
  width: 14px;
  height: 14px;
}

@keyframes bounce {
  0%, 100% { transform: translate(-50%, 0); }
  50%      { transform: translate(-50%, 6px); }
}

@media (max-width: 768px) {
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { width: 100%; max-width: 320px; margin: 0 auto; }
}

/* ===== HERO SLIDER ===== */
.hero-slides {
  position: relative;
  z-index: 2;
  width: 100%;
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 0;
}

.hero-slide {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transform: translateY(24px);
  transition:
    opacity 900ms cubic-bezier(.22,.61,.36,1),
    transform 900ms cubic-bezier(.22,.61,.36,1),
    visibility 0s linear 900ms;
  padding: var(--space-5);
}

.hero-slide.is-active {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  transition:
    opacity 900ms cubic-bezier(.22,.61,.36,1),
    transform 900ms cubic-bezier(.22,.61,.36,1),
    visibility 0s linear;
}

.hero-slide .hero-content {
  text-align: center;
}

/* Slider dots */
.hero-dots {
  position: absolute;
  bottom: calc(var(--space-5) + 48px);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
  z-index: 3;
}

.hero-dot {
  width: 28px;
  height: 3px;
  border: 0;
  padding: 0;
  background: rgba(255, 255, 255, 0.25);
  cursor: pointer;
  transition: background 300ms var(--ease), width 300ms var(--ease);
  border-radius: 2px;
}

.hero-dot:hover {
  background: rgba(255, 255, 255, 0.5);
}

.hero-dot.is-active {
  background: #fff;
  width: 48px;
}

.hero-dot:focus-visible {
  outline: 2px solid #fff;
  outline-offset: 4px;
}

@media (max-width: 768px) {
  .hero-dots { bottom: calc(var(--space-5) + 70px); }
  .hero-dot { width: 20px; }
  .hero-dot.is-active { width: 32px; }
}

@media (prefers-reduced-motion: reduce) {
  .hero-slide,
  .hero-slide.is-active {
    transition: none;
    transform: none;
  }
}

/* Page hero (smaller — for inner pages) */
.page-hero {
  padding: calc(var(--nav-height) + var(--space-9)) 0 var(--space-8);
  text-align: center;
  background: linear-gradient(180deg, var(--color-bg-alt) 0%, var(--color-bg) 100%);
  border-bottom: 1px solid var(--color-border);
}

.page-hero .eyebrow {
  margin-bottom: var(--space-3);
}

.page-hero h1 {
  margin-bottom: var(--space-3);
}

.page-hero .lead {
  max-width: 640px;
  margin: 0 auto;
}

/* Service hero icon (for /services/*.html pages) */
.service-hero-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--space-4);
  color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
}
.service-hero-icon svg {
  width: 100%;
  height: 100%;
}

/* ==========================================
   SECTIONS
   ========================================== */

/* Section header */
.section-header {
  text-align: center;
  margin-bottom: var(--space-7);
}

.section-header .eyebrow {
  margin-bottom: var(--space-3);
  display: block;
}

.section-header h2 {
  margin-bottom: var(--space-3);
}

.section-header .lead {
  max-width: 600px;
  margin: 0 auto;
}

/* Intro */
.intro-section {
  padding: var(--space-10) 0;
  text-align: center;
}

.intro-section h2 {
  max-width: 900px;
  margin: 0 auto var(--space-5);
}

.intro-section p {
  max-width: 720px;
  margin: 0 auto;
  font-size: clamp(1rem, 1.3vw, 1.15rem);
  color: var(--color-text-dim);
  line-height: 1.7;
}

/* ---------- Services grid ---------- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-5);
}

.service-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  transition: all var(--dur) var(--ease);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(600px circle at var(--mx, 50%) var(--my, 0%), rgba(232,33,39,0.04), transparent 40%);
  opacity: 0;
  transition: opacity var(--dur) var(--ease);
  pointer-events: none;
}

.service-card:hover {
  border-color: var(--color-text);
  transform: translateY(-4px);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.08);
}

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

.service-card-icon {
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-alt);
  border-radius: var(--radius-md);
}

.service-card-icon svg {
  width: 26px;
  height: 26px;
  stroke: var(--color-text);
  stroke-width: 1.5;
  fill: none;
}

.service-card h3 {
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.service-card p {
  font-size: 14px;
  color: var(--color-text-dim);
  line-height: 1.6;
  flex: 1;
}

.service-card .btn-arrow {
  margin-top: auto;
}

/* ---------- Stats ---------- */
.stats-section {
  background: var(--color-bg-dark);
  color: var(--color-text-inverse);
  padding: var(--space-8) 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-5);
  text-align: center;
}

.stat {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.stat-value {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 1;
  color: #fff;
}

.stat-label {
  font-size: 13px;
  color: var(--color-text-inverse-dim);
  letter-spacing: 0.02em;
}

/* ---------- Process ---------- */
.process-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: var(--space-5);
  counter-reset: step;
}

.process-step {
  padding: var(--space-5);
  border-left: 2px solid var(--color-border);
  position: relative;
  transition: border-color var(--dur) var(--ease);
}

.process-step:hover {
  border-left-color: var(--color-red);
}

.process-step h3 {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-3);
  color: var(--color-text-dim);
}

.process-step p {
  font-size: 15px;
  line-height: 1.55;
  color: var(--color-text);
}

/* ---------- Tech stack ---------- */
.tech-section {
  background: var(--color-bg-alt);
  padding: var(--space-9) 0;
  overflow: hidden;
}

.tech-marquee {
  display: flex;
  gap: var(--space-7);
  animation: marquee 40s linear infinite;
  width: max-content;
}

@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.tech-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 500;
  color: var(--color-text-dim);
  letter-spacing: -0.02em;
  white-space: nowrap;
  padding: var(--space-2) 0;
}

.tech-item::after {
  content: '·';
  margin-left: var(--space-7);
  opacity: 0.4;
}

/* ---------- Generic CTA section ---------- */
.cta-section {
  padding: var(--space-10) 0;
  background: var(--color-bg-dark);
  color: var(--color-text-inverse);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 0%, rgba(232,33,39,0.2), transparent 60%);
  pointer-events: none;
}

.cta-section > .container {
  position: relative;
  z-index: 1;
}

.cta-section h2 {
  color: #fff;
  margin-bottom: var(--space-3);
}

.cta-section .lead {
  color: var(--color-text-inverse-dim);
  margin-bottom: var(--space-6);
  max-width: 580px;
  margin-left: auto;
  margin-right: auto;
}

/* ---------- Feature grid (service detail pages) ---------- */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-5);
  margin-top: 10px;
}

.feature-card {
  padding: var(--space-5);
  border-top: 2px solid var(--color-text);
}

.feature-card h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: var(--space-2);
  letter-spacing: -0.01em;
}

.feature-card p {
  font-size: 14px;
  color: var(--color-text-dim);
  line-height: 1.55;
}

/* ---------- About values ---------- */
.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: var(--space-6);
  margin-top: var(--space-7);
}

.value-item h3 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: var(--space-2);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.value-item h3::before {
  content: '';
  width: 8px;
  height: 8px;
  background: var(--color-red);
  border-radius: 50%;
  display: inline-block;
}

.value-item p {
  color: var(--color-text-dim);
  font-size: 14px;
  line-height: 1.6;
}

/* ---------- Mission / Vision split ---------- */
.mv-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
  margin-top: var(--space-7);
}

.mv-card {
  padding: var(--space-6);
  background: var(--color-bg-alt);
  border-radius: var(--radius-lg);
  border-left: 3px solid var(--color-text);
}

.mv-card h2 {
  font-size: 28px;
  margin-bottom: var(--space-3);
}

.mv-card p {
  color: var(--color-text-dim);
  line-height: 1.65;
  font-size: 15px;
}

@media (max-width: 768px) {
  .mv-grid { grid-template-columns: 1fr; }
}

/* ---------- Sectors list ---------- */
.sectors-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-3);
  margin-top: var(--space-6);
}

.sector-item {
  padding: var(--space-4) var(--space-5);
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-weight: 500;
  font-size: 14px;
  transition: all var(--dur-fast) var(--ease);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.sector-item::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-red);
  flex-shrink: 0;
}

.sector-item:hover {
  border-color: var(--color-text);
  transform: translateX(4px);
}

/* ==========================================
   FORMS
   ========================================== */
.form-wrap {
  max-width: 720px;
  margin: 0 auto;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}

.field.full {
  grid-column: 1 / -1;
}

.field label {
  font-size: 12px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-dim);
}

.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: #fff;
  font-size: 14px;
  transition: border-color var(--dur-fast) var(--ease), box-shadow var(--dur-fast) var(--ease);
  font-family: var(--font-body);
}

/* Checkboxes must not inherit the large text-input look */
.field input[type="checkbox"],
.field-check input[type="checkbox"] {
  width: 18px;
  height: 18px;
  padding: 0;
  margin: 0;
  border: 1px solid var(--color-border);
  background: #fff;
  border-radius: 3px;
  accent-color: var(--color-text);
  flex-shrink: 0;
  cursor: pointer;
  box-shadow: none;
  transition: none;
}

/* Checkbox wrapper layout — label + text side by side */
.field-check,
.field.field-checkbox {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  cursor: pointer;
}

.field.field-checkbox label {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 14px;
  color: var(--color-text-dim);
  line-height: 1.5;
  cursor: pointer;
  margin: 0;
  font-weight: 400;
  letter-spacing: 0;
  text-transform: none;
}

.field.field-checkbox label span {
  flex: 1;
}

.field.field-checkbox label a {
  color: var(--color-text);
  text-decoration: underline;
}

.field textarea {
  min-height: 140px;
  resize: vertical;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--color-text);
  box-shadow: 0 0 0 3px rgba(23, 26, 32, 0.08);
}

.field input.has-error,
.field select.has-error,
.field textarea.has-error {
  border-color: var(--color-error);
  box-shadow: 0 0 0 3px rgba(217, 48, 37, 0.1);
}

.field-check {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: 13px;
  color: var(--color-text-dim);
  cursor: pointer;
  padding: var(--space-2) 0;
}

.field-check input[type="checkbox"] {
  width: 18px;
  height: 18px;
  margin-top: 2px;
  cursor: pointer;
  flex-shrink: 0;
  accent-color: var(--color-text);
}

.form-actions {
  margin-top: var(--space-5);
  display: flex;
  align-items: center;
  gap: var(--space-5);
  flex-wrap: wrap;
}

.form-message {
  font-size: 13px;
  color: var(--color-success);
  font-weight: 500;
}

.form-message.is-success {
  color: var(--color-success);
}

@media (max-width: 640px) {
  .form-grid { grid-template-columns: 1fr; }
}

/* ==========================================
   CONTACT INFO
   ========================================== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--space-8);
  align-items: start;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.contact-item {
  padding: var(--space-4) 0;
  border-bottom: 1px solid var(--color-border);
}

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

.contact-item-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-text-dim);
  margin-bottom: 6px;
}

.contact-item-value {
  font-size: 18px;
  font-weight: 500;
  font-family: var(--font-display);
  letter-spacing: -0.01em;
}

.contact-item-value a:hover {
  color: var(--color-red);
}

@media (max-width: 900px) {
  .contact-grid {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }
}

/* ==========================================
   FOOTER
   ========================================== */
.site-footer {
  background: var(--color-bg-dark);
  color: var(--color-text-inverse);
  padding: var(--space-8) 0 var(--space-5);
}

.footer-top {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: var(--space-7);
  padding-bottom: var(--space-7);
  border-bottom: 1px solid var(--color-border-dark);
}

.footer-brand h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 28px;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-2);
}

.footer-brand h3 span {
  font-weight: 300;
  opacity: 0.6;
}

.footer-brand p {
  color: var(--color-text-inverse-dim);
  font-size: 14px;
  margin-bottom: var(--space-5);
  max-width: 340px;
  line-height: 1.55;
}

.newsletter-form {
  display: flex;
  gap: var(--space-2);
  max-width: 360px;
  flex-wrap: wrap;
}

.newsletter-form input {
  flex: 1;
  min-width: 180px;
  padding: 12px 14px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--color-border-dark);
  border-radius: var(--radius-sm);
  color: #fff;
  font-size: 13px;
}

.newsletter-form input::placeholder {
  color: var(--color-text-inverse-dim);
}

.newsletter-form input:focus {
  outline: none;
  border-color: #fff;
}

.newsletter-form button {
  padding: 12px 18px;
  background: #fff;
  color: var(--color-text);
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 500;
  transition: background var(--dur-fast) var(--ease);
}

.newsletter-form button:hover {
  background: var(--color-text-inverse);
}

.footer-col h4 {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: #fff;
  margin-bottom: var(--space-4);
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.footer-col a {
  color: var(--color-text-inverse-dim);
  font-size: 14px;
  transition: color var(--dur-fast) var(--ease);
}

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

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-5);
  flex-wrap: wrap;
  gap: var(--space-3);
}

.footer-copy {
  color: var(--color-text-inverse-dim);
  font-size: 12px;
}

.footer-socials {
  display: flex;
  gap: var(--space-2);
}

.footer-socials a {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  border: 1px solid var(--color-border-dark);
  color: var(--color-text-inverse-dim);
  transition: all var(--dur-fast) var(--ease);
}

.footer-socials a:hover {
  color: #fff;
  border-color: #fff;
  transform: translateY(-2px);
}

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

@media (max-width: 900px) {
  .footer-top {
    grid-template-columns: 1fr 1fr;
  }
  .footer-brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 560px) {
  .footer-top {
    grid-template-columns: 1fr;
  }
  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* ==========================================
   REVEAL ANIMATIONS
   ========================================== */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 800ms var(--ease-out), transform 800ms var(--ease-out);
}

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

.reveal.delay-1 { transition-delay: 80ms; }
.reveal.delay-2 { transition-delay: 160ms; }
.reveal.delay-3 { transition-delay: 240ms; }
.reveal.delay-4 { transition-delay: 320ms; }

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .hero-bg::before,
  .hero-scroll,
  .tech-marquee {
    animation: none !important;
  }
}

/* Skip link for accessibility */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--color-text);
  color: #fff;
  padding: var(--space-3) var(--space-4);
  z-index: 9999;
  font-size: 13px;
  font-weight: 500;
}

.skip-link:focus {
  left: var(--space-4);
  top: var(--space-4);
}

/* ==========================================
   PROSE & LEGAL PAGES
   ========================================== */

.prose-lead {
  font-size: clamp(17px, 1.6vw, 19px);
  line-height: 1.7;
  color: var(--color-text-dim);
  margin-bottom: var(--space-6);
}

.legal-article {
  max-width: 780px;
  margin: 0 auto;
}

.legal-section {
  margin: var(--space-6) 0;
  padding-top: var(--space-5);
  border-top: 1px solid var(--color-border);
}

.legal-section:first-of-type {
  border-top: 0;
  padding-top: 0;
}

.legal-section h2 {
  font-size: clamp(20px, 2vw, 24px);
  font-weight: 600;
  line-height: 1.3;
  margin: 0 0 var(--space-3);
  letter-spacing: -0.01em;
  color: var(--color-text);
}

.legal-section p {
  font-size: 15px;
  line-height: 1.75;
  color: var(--color-text-dim);
  margin: 0;
}

.legal-updated {
  margin-top: var(--space-7);
  padding-top: var(--space-5);
  border-top: 1px solid var(--color-border);
  font-size: 13px;
  color: var(--color-text-mute, var(--color-text-dim));
  font-family: var(--font-mono, 'JetBrains Mono', monospace);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}