/* ==========================================================================
   KBPROJECTS — DESIGN SYSTEM
   A precision-engineered dark interface for a results-driven agency.
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. DESIGN TOKENS
   -------------------------------------------------------------------------- */
:root {
  /* Palette */
  --color-bg: #050506;
  --color-bg-elevated: #0A0A0C;
  --color-surface: rgba(255, 255, 255, 0.03);
  --color-surface-hover: rgba(255, 255, 255, 0.05);
  --color-border: rgba(255, 255, 255, 0.06);
  --color-border-strong: rgba(255, 255, 255, 0.10);
  --color-accent: #5E6AD2;
  --color-accent-glow: rgba(94, 106, 210, 0.25);
  --color-accent-soft: rgba(94, 106, 210, 0.08);
  --color-fg: #EDEDEF;
  --color-fg-dim: #B4B8BF;
  --color-muted: #8A8F98;
  --color-muted-dim: #5E6169;
  --color-success: #4CC38A;
  --color-warning: #F5A623;

  /* Typography */
  --font-display: 'Plus Jakarta Sans', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;

  /* Spacing scale */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Radii */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 20px;
  --radius-full: 999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.25);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.35), 0 1px 2px rgba(0, 0, 0, 0.2);
  --shadow-lg: 0 20px 40px -12px rgba(0, 0, 0, 0.5), 0 8px 16px -8px rgba(0, 0, 0, 0.3);
  --shadow-glow: 0 0 40px -10px var(--color-accent-glow);

  /* Layout */
  --container-max: 1200px;
  --header-height: 64px;

  /* Transitions */
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --duration-fast: 150ms;
  --duration-base: 240ms;
  --duration-slow: 480ms;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  font-feature-settings: 'ss01', 'cv11';
}

body {
  font-family: var(--font-body);
  background: var(--color-bg);
  color: var(--color-fg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  min-height: 100vh;
  position: relative;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease-out);
}

button {
  font-family: inherit;
  cursor: pointer;
  border: 0;
  background: transparent;
  color: inherit;
}

input,
textarea,
select {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}

::selection {
  background: var(--color-accent);
  color: var(--color-fg);
}

/* Focus rings */
:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* --------------------------------------------------------------------------
   3. ATMOSPHERE — the layered background
   -------------------------------------------------------------------------- */
.atmosphere {
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  pointer-events: none;
}

/* Base radial gradient */
.atmosphere::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% 0%, rgba(94, 106, 210, 0.08), transparent 60%),
    radial-gradient(ellipse 60% 40% at 100% 100%, rgba(94, 106, 210, 0.05), transparent 50%),
    radial-gradient(ellipse 50% 40% at 0% 80%, rgba(150, 100, 200, 0.04), transparent 50%);
}

/* Grid overlay */
.atmosphere::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 1) 1px, transparent 1px);
  background-size: 64px 64px;
  opacity: 0.02;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 40%, black, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 80% 80% at 50% 40%, black, transparent 80%);
}

/* Noise texture via inline SVG */
.atmosphere__noise {
  position: absolute;
  inset: 0;
  opacity: 0.015;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 0.8 0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
}

/* Animated gradient blobs */
.atmosphere__blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(150px);
  opacity: 0.25;
  will-change: transform;
}

.atmosphere__blob--1 {
  top: -10%;
  left: 10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, var(--color-accent) 0%, transparent 70%);
  animation: drift-1 28s ease-in-out infinite;
}

.atmosphere__blob--2 {
  top: 40%;
  right: -5%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, #8B5CF6 0%, transparent 70%);
  opacity: 0.18;
  animation: drift-2 34s ease-in-out infinite;
}

.atmosphere__blob--3 {
  bottom: -10%;
  left: 30%;
  width: 450px;
  height: 450px;
  background: radial-gradient(circle, #4C9CED 0%, transparent 70%);
  opacity: 0.12;
  animation: drift-3 40s ease-in-out infinite;
}

@keyframes drift-1 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(60px, 40px) scale(1.1); }
  66% { transform: translate(-40px, 80px) scale(0.95); }
}

@keyframes drift-2 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(-80px, 60px) scale(1.15); }
}

@keyframes drift-3 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  40% { transform: translate(80px, -60px) scale(1.08); }
  75% { transform: translate(-50px, -30px) scale(0.95); }
}

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

h1 {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 700;
  letter-spacing: -0.035em;
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  letter-spacing: -0.03em;
}

h3 {
  font-size: clamp(1.375rem, 2.5vw, 1.75rem);
  letter-spacing: -0.02em;
}

h4 {
  font-size: 1.125rem;
}

p {
  color: var(--color-fg-dim);
  font-size: 1rem;
}

.lede {
  font-size: clamp(1.0625rem, 1.6vw, 1.25rem);
  color: var(--color-muted);
  line-height: 1.55;
  max-width: 60ch;
  font-weight: 400;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-muted);
  letter-spacing: 0.02em;
  text-transform: none;
}

.eyebrow::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
  box-shadow: 0 0 12px var(--color-accent-glow);
}

.gradient-text {
  background: linear-gradient(180deg, #FFFFFF 0%, #8A8F98 120%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.accent-text {
  background: linear-gradient(135deg, #8B8FE5 0%, #5E6AD2 50%, #4C9CED 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

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

.section {
  padding: var(--space-20) 0;
  position: relative;
}

.section--hero {
  padding: calc(var(--header-height) + var(--space-20)) 0 var(--space-24);
}

.section-header {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  max-width: 680px;
  margin-bottom: var(--space-12);
}

.section-header--centered {
  align-items: center;
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}

/* --------------------------------------------------------------------------
   6. HEADER / NAVIGATION
   -------------------------------------------------------------------------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  z-index: 100;
  display: flex;
  align-items: center;
  background: rgba(5, 5, 6, 0.65);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid transparent;
  transition: border-color var(--duration-base) var(--ease-out),
              background var(--duration-base) var(--ease-out);
}

.site-header.is-scrolled {
  border-bottom-color: var(--color-border);
  background: rgba(5, 5, 6, 0.85);
}

.site-header__inner {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-8);
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.0625rem;
  letter-spacing: -0.02em;
  color: var(--color-fg);
}

.logo__mark {
  width: 28px;
  height: 28px;
  border-radius: 7px;
  background: linear-gradient(135deg, var(--color-accent) 0%, #8B5CF6 100%);
  display: grid;
  place-items: center;
  font-size: 0.75rem;
  font-weight: 700;
  color: #fff;
  box-shadow: 0 4px 14px -4px var(--color-accent-glow),
              inset 0 1px 0 rgba(255, 255, 255, 0.2);
  position: relative;
}

.logo__mark::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.nav {
  display: none;
}

.nav__list {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  list-style: none;
}

.nav__link {
  padding: var(--space-2) var(--space-3);
  font-size: 0.875rem;
  color: var(--color-muted);
  border-radius: var(--radius-sm);
  transition: color var(--duration-fast) var(--ease-out),
              background var(--duration-fast) var(--ease-out);
}

.nav__link:hover,
.nav__link[aria-current="page"] {
  color: var(--color-fg);
}

.nav__link[aria-current="page"] {
  background: var(--color-surface);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.menu-toggle {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border-radius: var(--radius-sm);
  color: var(--color-fg);
  transition: background var(--duration-fast) var(--ease-out);
}

.menu-toggle:hover {
  background: var(--color-surface);
}

.menu-toggle[aria-expanded="true"] .icon-open { display: none; }
.menu-toggle[aria-expanded="false"] .icon-close { display: none; }

/* Mobile menu */
.mobile-nav {
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  background: rgba(5, 5, 6, 0.95);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-6);
  transform: translateY(-8px);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--duration-base) var(--ease-out),
              transform var(--duration-base) var(--ease-out);
  z-index: 99;
}

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

.mobile-nav__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  list-style: none;
}

.mobile-nav__link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4);
  font-size: 1rem;
  color: var(--color-fg-dim);
  border-radius: var(--radius-md);
  transition: background var(--duration-fast) var(--ease-out),
              color var(--duration-fast) var(--ease-out);
}

.mobile-nav__link:hover,
.mobile-nav__link[aria-current="page"] {
  background: var(--color-surface);
  color: var(--color-fg);
}

.mobile-nav__cta {
  margin-top: var(--space-4);
}

/* --------------------------------------------------------------------------
   7. BUTTONS
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  height: 42px;
  padding: 0 var(--space-5);
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: -0.005em;
  border-radius: var(--radius-md);
  transition: all var(--duration-fast) var(--ease-out);
  white-space: nowrap;
  border: 1px solid transparent;
  position: relative;
  text-decoration: none;
}

.btn--primary {
  background: var(--color-accent);
  color: #FFFFFF;
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.15) inset,
    0 -1px 0 rgba(0, 0, 0, 0.2) inset,
    0 4px 14px -4px var(--color-accent-glow),
    0 1px 2px rgba(0, 0, 0, 0.3);
}

.btn--primary:hover {
  background: #6B77DD;
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.2) inset,
    0 -1px 0 rgba(0, 0, 0, 0.2) inset,
    0 8px 22px -6px var(--color-accent-glow),
    0 2px 4px rgba(0, 0, 0, 0.4);
  transform: translateY(-1px);
}

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

.btn--secondary {
  background: var(--color-surface);
  color: var(--color-fg);
  border-color: var(--color-border);
}

.btn--secondary:hover {
  background: var(--color-surface-hover);
  border-color: var(--color-border-strong);
}

.btn--ghost {
  background: transparent;
  color: var(--color-fg-dim);
}

.btn--ghost:hover {
  color: var(--color-fg);
  background: var(--color-surface);
}

.btn--lg {
  height: 48px;
  padding: 0 var(--space-6);
  font-size: 0.9375rem;
}

.btn--block {
  width: 100%;
}

.btn i {
  width: 16px;
  height: 16px;
  transition: transform var(--duration-fast) var(--ease-out);
}

.btn:hover i[data-lucide="arrow-right"] {
  transform: translateX(3px);
}

/* --------------------------------------------------------------------------
   8. HERO
   -------------------------------------------------------------------------- */
.hero {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--space-8);
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3) var(--space-2) var(--space-2);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: 0.8125rem;
  color: var(--color-fg-dim);
  backdrop-filter: blur(8px);
}

.hero__badge-tag {
  display: inline-flex;
  align-items: center;
  padding: 2px var(--space-2);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--color-accent);
  background: var(--color-accent-soft);
  border-radius: var(--radius-full);
  text-transform: uppercase;
}

.hero__title {
  max-width: 14ch;
  font-size: clamp(2.75rem, 7vw, 5.25rem);
  font-weight: 700;
  line-height: 0.98;
  letter-spacing: -0.04em;
}

.hero__subtitle {
  max-width: 58ch;
  font-size: clamp(1.0625rem, 1.6vw, 1.25rem);
  color: var(--color-muted);
  line-height: 1.55;
}

.hero__ctas {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
  justify-content: center;
}

/* Stat strip under hero */
.hero__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
  width: 100%;
  max-width: 720px;
  margin-top: var(--space-8);
  padding: var(--space-5) var(--space-6);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(8px);
}

.hero__stat {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  text-align: center;
}

.hero__stat-value {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 1.875rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--color-fg);
}

.hero__stat-label {
  font-size: 0.8125rem;
  color: var(--color-muted);
}

.hero__stat + .hero__stat {
  border-left: 1px solid var(--color-border);
}

/* --------------------------------------------------------------------------
   9. SPOTLIGHT CARD (mouse-tracking)
   -------------------------------------------------------------------------- */
.spotlight {
  position: relative;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color var(--duration-base) var(--ease-out),
              transform var(--duration-base) var(--ease-out);
  --mx: 50%;
  --my: 50%;
}

.spotlight::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(
    600px circle at var(--mx) var(--my),
    rgba(94, 106, 210, 0.12),
    transparent 40%
  );
  opacity: 0;
  transition: opacity var(--duration-base) var(--ease-out);
  pointer-events: none;
  z-index: 1;
}

.spotlight::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(
    300px circle at var(--mx) var(--my),
    rgba(255, 255, 255, 0.06),
    transparent 40%
  );
  opacity: 0;
  transition: opacity var(--duration-base) var(--ease-out);
  pointer-events: none;
  z-index: 2;
}

.spotlight:hover {
  border-color: var(--color-border-strong);
}

.spotlight:hover::before,
.spotlight:hover::after {
  opacity: 1;
}

.spotlight__content {
  position: relative;
  z-index: 3;
}

/* --------------------------------------------------------------------------
   10. SERVICES (BENTO GRID)
   -------------------------------------------------------------------------- */
.bento {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}

.bento__card {
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  min-height: 340px;
}

.bento__card-head {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.service-icon {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  background: linear-gradient(180deg, rgba(94, 106, 210, 0.15) 0%, rgba(94, 106, 210, 0.05) 100%);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  color: var(--color-accent);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

.service-icon i {
  width: 20px;
  height: 20px;
}

.bento__card h3 {
  font-size: 1.375rem;
}

.bento__card p {
  color: var(--color-muted);
  font-size: 0.9375rem;
  line-height: 1.6;
}

.bento__card-visual {
  margin-top: auto;
  padding-top: var(--space-5);
  min-height: 120px;
  position: relative;
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-fg-dim);
  transition: color var(--duration-fast) var(--ease-out);
}

.card-link:hover {
  color: var(--color-fg);
}

.card-link i {
  width: 14px;
  height: 14px;
  transition: transform var(--duration-fast) var(--ease-out);
}

.card-link:hover i {
  transform: translateX(3px);
}

/* Inline visuals inside bento cards */
.visual-code {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  color: var(--color-fg-dim);
  line-height: 1.7;
  overflow: hidden;
}

.visual-code .token-key { color: var(--color-accent); }
.visual-code .token-num { color: #4CC38A; }
.visual-code .token-str { color: #F5A623; }
.visual-code .token-comment { color: var(--color-muted-dim); }

.visual-bars {
  display: flex;
  align-items: flex-end;
  gap: 6px;
  height: 100%;
  min-height: 100px;
  padding: var(--space-3);
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.visual-bars span {
  flex: 1;
  background: linear-gradient(180deg, var(--color-accent) 0%, rgba(94, 106, 210, 0.2) 100%);
  border-radius: 3px 3px 0 0;
  opacity: 0.8;
  min-height: 8px;
}

.visual-keywords {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.visual-keywords span {
  padding: var(--space-2) var(--space-3);
  font-size: 0.75rem;
  font-family: var(--font-mono);
  color: var(--color-fg-dim);
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
}

.visual-keywords span.is-top {
  color: var(--color-accent);
  border-color: rgba(94, 106, 210, 0.3);
  background: var(--color-accent-soft);
}

/* --------------------------------------------------------------------------
   11. FEATURES / WHY-US GRID
   -------------------------------------------------------------------------- */
.features {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}

.feature-card {
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.feature-card__icon {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-accent);
}

.feature-card__icon i {
  width: 18px;
  height: 18px;
}

.feature-card h4 {
  font-size: 1.0625rem;
  font-family: var(--font-display);
  font-weight: 600;
}

.feature-card p {
  font-size: 0.9375rem;
  color: var(--color-muted);
  line-height: 1.6;
}

/* --------------------------------------------------------------------------
   12. ABOUT PREVIEW / FOUNDERS
   -------------------------------------------------------------------------- */
.founders {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
  padding: var(--space-8);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
}

.founders__text h2 {
  margin-bottom: var(--space-4);
}

.founders__text p + p {
  margin-top: var(--space-4);
}

.founders__quote {
  padding: var(--space-5);
  background: rgba(0, 0, 0, 0.25);
  border-left: 2px solid var(--color-accent);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin-top: var(--space-5);
}

.founders__quote p {
  font-family: var(--font-display);
  font-size: 1.125rem;
  color: var(--color-fg);
  font-weight: 500;
  line-height: 1.4;
  letter-spacing: -0.015em;
}

.founders__quote cite {
  display: block;
  margin-top: var(--space-3);
  font-size: 0.8125rem;
  color: var(--color-muted);
  font-style: normal;
}

.founders__meta {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.avatar-stack {
  display: flex;
}

.avatar {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  border: 2px solid var(--color-bg);
  background: linear-gradient(135deg, #333 0%, #555 100%);
  display: grid;
  place-items: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.125rem;
  color: var(--color-fg);
  box-shadow: var(--shadow-md);
}

.avatar + .avatar {
  margin-left: -12px;
}

.avatar--k { background: linear-gradient(135deg, #5E6AD2 0%, #8B5CF6 100%); }
.avatar--b { background: linear-gradient(135deg, #4C9CED 0%, #5E6AD2 100%); }

.founders__names {
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--color-fg);
}

.founders__role {
  font-size: 0.875rem;
  color: var(--color-muted);
}

/* --------------------------------------------------------------------------
   13. PROCESS / STEPS (uslugi.html)
   -------------------------------------------------------------------------- */
.process {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-6);
  padding: var(--space-6);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.step__number {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--color-accent);
  padding: var(--space-1) var(--space-2);
  background: var(--color-accent-soft);
  border-radius: var(--radius-sm);
  align-self: flex-start;
  height: fit-content;
  letter-spacing: 0.05em;
}

.step__body h3 {
  font-size: 1.125rem;
  margin-bottom: var(--space-2);
}

.step__body p {
  color: var(--color-muted);
  font-size: 0.9375rem;
}

/* Service details on uslugi */
.service-detail {
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.service-detail__head {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.service-detail__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.service-detail__list li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-3);
  font-size: 0.9375rem;
  color: var(--color-fg-dim);
  align-items: flex-start;
}

.service-detail__list li::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--color-accent);
  border-radius: 50%;
  margin-top: 9px;
  box-shadow: 0 0 8px var(--color-accent-glow);
}

.service-detail__price {
  padding-top: var(--space-5);
  border-top: 1px solid var(--color-border);
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
}

.service-detail__price-label {
  font-size: 0.8125rem;
  color: var(--color-muted);
}

.service-detail__price-value {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-fg);
  letter-spacing: -0.02em;
}

/* --------------------------------------------------------------------------
   14. FAQ / ACCORDION
   -------------------------------------------------------------------------- */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  max-width: 760px;
  margin: 0 auto;
}

.faq-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.faq-item summary {
  padding: var(--space-5) var(--space-6);
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.0625rem;
  color: var(--color-fg);
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
  transition: color var(--duration-fast) var(--ease-out);
}

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

.faq-item summary::after {
  content: '';
  width: 16px;
  height: 16px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%238A8F98' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-size: contain;
  background-repeat: no-repeat;
  flex-shrink: 0;
  transition: transform var(--duration-base) var(--ease-out);
}

.faq-item[open] summary::after {
  transform: rotate(180deg);
}

.faq-item__body {
  padding: 0 var(--space-6) var(--space-6);
  color: var(--color-muted);
  font-size: 0.9375rem;
  line-height: 1.65;
}

/* --------------------------------------------------------------------------
   15. CONTACT FORM
   -------------------------------------------------------------------------- */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-10);
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}

.contact-info h2 {
  margin-bottom: var(--space-4);
}

.contact-methods {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.contact-method {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-4);
  padding: var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: border-color var(--duration-fast) var(--ease-out);
}

.contact-method:hover {
  border-color: var(--color-border-strong);
}

.contact-method__icon {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  background: var(--color-accent-soft);
  border: 1px solid rgba(94, 106, 210, 0.2);
  border-radius: var(--radius-sm);
  color: var(--color-accent);
}

.contact-method__icon i {
  width: 18px;
  height: 18px;
}

.contact-method__label {
  font-size: 0.8125rem;
  color: var(--color-muted);
  margin-bottom: 2px;
}

.contact-method__value {
  font-size: 0.9375rem;
  color: var(--color-fg);
  font-weight: 500;
}

.contact-form {
  padding: var(--space-8);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

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

.form-row label {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-fg-dim);
}

.form-row label .required {
  color: var(--color-accent);
  margin-left: 2px;
}

.form-row input,
.form-row textarea {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-fg);
  font-size: 0.9375rem;
  transition: border-color var(--duration-fast) var(--ease-out),
              background var(--duration-fast) var(--ease-out);
  font-family: var(--font-body);
}

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

.form-row input:focus,
.form-row textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  background: rgba(0, 0, 0, 0.4);
  box-shadow: 0 0 0 3px var(--color-accent-soft);
}

.form-row textarea {
  resize: vertical;
  min-height: 140px;
  line-height: 1.5;
}

.form-grid-2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}

.form-legal {
  font-size: 0.8125rem;
  color: var(--color-muted);
  line-height: 1.55;
}

.form-legal a {
  color: var(--color-fg-dim);
  text-decoration: underline;
  text-decoration-color: var(--color-muted-dim);
  text-underline-offset: 2px;
}

.form-legal a:hover {
  color: var(--color-fg);
}

/* --------------------------------------------------------------------------
   16. CTA BAND
   -------------------------------------------------------------------------- */
.cta-band {
  position: relative;
  padding: var(--space-16) var(--space-8);
  text-align: center;
  background:
    linear-gradient(180deg, rgba(94, 106, 210, 0.08) 0%, transparent 100%),
    var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.cta-band::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
}

.cta-band::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 40% at 50% 0%, var(--color-accent-glow), transparent 70%);
  pointer-events: none;
}

.cta-band > * {
  position: relative;
  z-index: 1;
}

.cta-band h2 {
  margin-bottom: var(--space-4);
  max-width: 18ch;
  margin-left: auto;
  margin-right: auto;
}

.cta-band p {
  margin-bottom: var(--space-8);
  max-width: 48ch;
  margin-left: auto;
  margin-right: auto;
  color: var(--color-muted);
}

.cta-band__ctas {
  display: flex;
  gap: var(--space-3);
  justify-content: center;
  flex-wrap: wrap;
}

/* --------------------------------------------------------------------------
   17. PAGE HEADER (on sub-pages)
   -------------------------------------------------------------------------- */
.page-header {
  padding: calc(var(--header-height) + var(--space-16)) 0 var(--space-16);
  text-align: center;
}

.page-header .eyebrow {
  margin-bottom: var(--space-4);
}

.page-header h1 {
  font-size: clamp(2.25rem, 5vw, 3.75rem);
  max-width: 16ch;
  margin: 0 auto var(--space-4);
}

.page-header p {
  max-width: 56ch;
  margin: 0 auto;
  color: var(--color-muted);
  font-size: clamp(1rem, 1.5vw, 1.125rem);
}

/* --------------------------------------------------------------------------
   18. VALUES GRID (o-nas.html)
   -------------------------------------------------------------------------- */
.values-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}

.value-card {
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.value-card__num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-muted-dim);
  letter-spacing: 0.1em;
}

.value-card h3 {
  font-size: 1.125rem;
  font-family: var(--font-display);
}

.value-card p {
  font-size: 0.9375rem;
  color: var(--color-muted);
  line-height: 1.6;
}

/* --------------------------------------------------------------------------
   19. FOOTER
   -------------------------------------------------------------------------- */
.site-footer {
  border-top: 1px solid var(--color-border);
  padding: var(--space-16) 0 var(--space-8);
  margin-top: var(--space-24);
  position: relative;
}

.site-footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 50%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-border-strong), transparent);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-10);
  padding-bottom: var(--space-10);
  border-bottom: 1px solid var(--color-border);
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  max-width: 360px;
}

.footer-brand p {
  font-size: 0.875rem;
  color: var(--color-muted);
  line-height: 1.6;
}

.footer-social {
  display: flex;
  gap: var(--space-2);
  margin-top: var(--space-2);
}

.footer-social a {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-muted);
  transition: color var(--duration-fast) var(--ease-out),
              border-color var(--duration-fast) var(--ease-out),
              background var(--duration-fast) var(--ease-out);
}

.footer-social a:hover {
  color: var(--color-fg);
  border-color: var(--color-border-strong);
  background: var(--color-surface-hover);
}

.footer-social i {
  width: 16px;
  height: 16px;
}

.footer-nav {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-8);
}

.footer-nav__col h5 {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: var(--space-4);
}

.footer-nav__col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-nav__col a {
  font-size: 0.875rem;
  color: var(--color-fg-dim);
  transition: color var(--duration-fast) var(--ease-out);
}

.footer-nav__col a:hover {
  color: var(--color-fg);
}

.footer-bottom {
  padding-top: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  align-items: flex-start;
  font-size: 0.8125rem;
  color: var(--color-muted);
}

.footer-bottom p {
  font-size: inherit;
  color: inherit;
}

/* --------------------------------------------------------------------------
   20. ANIMATIONS (Intersection Observer triggered)
   -------------------------------------------------------------------------- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 800ms var(--ease-out),
              transform 800ms var(--ease-out);
  will-change: opacity, transform;
}

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

/* Stagger children via index */
.reveal-stagger > * {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 700ms var(--ease-out),
              transform 700ms var(--ease-out);
}

.reveal-stagger.is-visible > *:nth-child(1) { transition-delay: 0ms; }
.reveal-stagger.is-visible > *:nth-child(2) { transition-delay: 80ms; }
.reveal-stagger.is-visible > *:nth-child(3) { transition-delay: 160ms; }
.reveal-stagger.is-visible > *:nth-child(4) { transition-delay: 240ms; }
.reveal-stagger.is-visible > *:nth-child(5) { transition-delay: 320ms; }
.reveal-stagger.is-visible > *:nth-child(6) { transition-delay: 400ms; }

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

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .reveal,
  .reveal-stagger > * {
    opacity: 1;
    transform: none;
  }
}

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

.divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-border-strong), transparent);
  margin: var(--space-16) 0;
}

/* --------------------------------------------------------------------------
   22. RESPONSIVE — mobile-first breakpoints
   -------------------------------------------------------------------------- */

/* Tablet: 768px+ */
@media (min-width: 768px) {
  .container {
    padding: 0 var(--space-8);
  }

  .section {
    padding: var(--space-24) 0;
  }

  .section--hero {
    padding: calc(var(--header-height) + var(--space-24)) 0 var(--space-32);
  }

  .hero__stats {
    margin-top: var(--space-12);
  }

  /* Bento becomes a 6-col grid */
  .bento {
    grid-template-columns: repeat(6, 1fr);
    gap: var(--space-5);
  }

  .bento__card--lg { grid-column: span 4; }
  .bento__card--sm { grid-column: span 2; }
  .bento__card--wide { grid-column: span 6; }

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

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

  .founders {
    grid-template-columns: 2fr 1fr;
    padding: var(--space-10);
    gap: var(--space-10);
  }

  .founders__meta {
    border-left: 1px solid var(--color-border);
    padding-left: var(--space-8);
  }

  .contact-layout {
    grid-template-columns: 1fr 1.2fr;
    gap: var(--space-12);
  }

  .form-grid-2 {
    grid-template-columns: 1fr 1fr;
  }

  .step {
    grid-template-columns: auto 1fr;
    padding: var(--space-8);
  }

  .footer-grid {
    grid-template-columns: 1.3fr 2fr;
  }

  .footer-nav {
    grid-template-columns: repeat(3, 1fr);
  }

  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }

  .page-header {
    padding: calc(var(--header-height) + var(--space-20)) 0 var(--space-20);
  }
}

/* Desktop: 1024px+ */
@media (min-width: 1024px) {
  .nav {
    display: block;
  }

  .menu-toggle {
    display: none;
  }

  .mobile-nav {
    display: none;
  }

  .bento__card--lg { grid-column: span 4; }
  .bento__card--sm { grid-column: span 2; }

  .features {
    grid-template-columns: repeat(3, 1fr);
  }

  .values-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .service-detail {
    padding: var(--space-10);
  }
}

/* Large: 1280px+ */
@media (min-width: 1280px) {
  .section {
    padding: var(--space-32) 0;
  }
}