/* ===========================================
   KB Portfolio — Design System
   Inspired by Framer visual language
   =========================================== */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:ital,wght@0,400;0,500;0,600;0,700;0,800;1,400;1,700&family=Inter:wght@300;400;500;600&display=swap');

/* ---- NOTE: Swap 'Plus Jakarta Sans' for licensed 'GT Walsheim' ---- */

/* ===========================================
   1. DESIGN TOKENS
   =========================================== */
:root {
  /* Colours */
  --bg:              #F8F8F6;
  --surface:         #FFFFFF;
  --surface-muted:   #F2F2F0;
  --primary:         #0A0A0A;
  --secondary:       #525252;
  --tertiary:        #A3A3A3;
  --border:          #E5E5E3;
  --border-strong:   #CBCBC9;
  --cta:             #0A0A0A;
  --cta-hover:       #2A2A2A;

  /* Accent palette */
  --blue-soft:       #EEF2FF;
  --blue-mid:        #C7D2FE;
  --blue-strong:     #4F46E5;
  --green-soft:      #F0FDF4;
  --green-mid:       #BBF7D0;
  --green-strong:    #16A34A;
  --navy-bg:         #0F172A;
  --amber-soft:      #FFFBEB;
  --amber-mid:       #FDE68A;

  /* Fonts */
  --font-display: 'Plus Jakarta Sans', 'GT Walsheim', 'DM Sans', sans-serif;
  --font-body:    'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Type Scale — fluid clamp */
  --text-hero:   clamp(44px, 5.8vw, 74px);
  --text-h1:     clamp(40px, 5.5vw, 72px);
  --text-h2:     clamp(30px, 3.8vw, 52px);
  --text-h3:     clamp(22px, 2.5vw, 34px);
  --text-h4:     clamp(18px, 1.8vw, 24px);
  --text-lg:     clamp(17px, 1.2vw, 20px);
  --text-base:   16px;
  --text-sm:     14px;
  --text-xs:     12px;

  /* Line heights */
  --lh-tight:    1.08;
  --lh-snug:     1.25;
  --lh-normal:   1.5;
  --lh-relaxed:  1.75;

  /* Letter spacing */
  --ls-hero:     -0.04em;
  --ls-tight:    -0.03em;
  --ls-normal:   -0.01em;
  --ls-wide:     0.06em;
  --ls-wider:    0.12em;

  /* Spacing — 8px base */
  --sp-1:   8px;
  --sp-2:   16px;
  --sp-3:   24px;
  --sp-4:   32px;
  --sp-5:   48px;
  --sp-6:   64px;
  --sp-7:   96px;
  --sp-8:   128px;
  --sp-9:   192px;
  --sp-10:  256px;

  /* Layout */
  --container:       1200px;
  --container-wide:  1400px;
  --px:              clamp(20px, 5vw, 80px);
  --nav-h:           68px;

  /* Radii */
  --r-sm:   4px;
  --r-md:   8px;
  --r-lg:   14px;
  --r-xl:   20px;
  --r-2xl:  32px;
  --r-pill: 100px;

  /* Shadows */
  --shadow-xs: 0 1px 2px rgba(0,0,0,0.05);
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --shadow:    0 4px 20px rgba(0,0,0,0.08), 0 2px 4px rgba(0,0,0,0.04);
  --shadow-md: 0 8px 32px rgba(0,0,0,0.09), 0 3px 8px rgba(0,0,0,0.05);
  --shadow-lg: 0 20px 60px rgba(0,0,0,0.11), 0 6px 16px rgba(0,0,0,0.06);
  --shadow-xl: 0 40px 100px rgba(0,0,0,0.13), 0 12px 32px rgba(0,0,0,0.07);

  /* Transitions */
  --ease-out:    cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);

  --dur-fast:    150ms;
  --dur-base:    280ms;
  --dur-slow:    450ms;
  --dur-slower:  650ms;
  --dur-reveal:  800ms;
}


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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  background-color: var(--bg);
  color: var(--primary);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--lh-normal);
  font-feature-settings: 'kern' 1, 'liga' 1, 'calt' 1;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

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

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

ul, ol { list-style: none; }

/* Focus styles */
:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 3px;
  border-radius: var(--r-sm);
}

/* Selection */
::selection {
  background: var(--primary);
  color: var(--bg);
}

/* Skip link */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--sp-3);
  background: var(--primary);
  color: var(--surface);
  padding: var(--sp-1) var(--sp-3);
  border-radius: var(--r-md);
  z-index: 9999;
  font-size: var(--text-sm);
  font-family: var(--font-body);
}
.skip-link:focus { top: var(--sp-3); }


/* ===========================================
   3. LAYOUT UTILITIES
   =========================================== */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--px);
}

.container--wide {
  max-width: var(--container-wide);
  margin-inline: auto;
  padding-inline: var(--px);
}

.container--narrow {
  max-width: 760px;
  margin-inline: auto;
  padding-inline: var(--px);
}

.grid-12 {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--sp-4);
}

.section {
  padding-block: clamp(64px, 10vw, 140px);
}

.section--sm {
  padding-block: clamp(40px, 6vw, 80px);
}

.section--lg {
  padding-block: clamp(80px, 13vw, 180px);
}

/* ===========================================
   4. TYPOGRAPHY CLASSES
   =========================================== */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-1);
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
  color: var(--tertiary);
}

.eyebrow::before {
  content: '';
  display: block;
  width: 20px;
  height: 1px;
  background: currentColor;
  flex-shrink: 0;
}

.headline-hero {
  font-family: var(--font-display);
  font-size: var(--text-hero);
  font-weight: 800;
  line-height: var(--lh-tight);
  letter-spacing: var(--ls-hero);
  color: var(--primary);
}

.headline-h1 {
  font-family: var(--font-display);
  font-size: var(--text-h1);
  font-weight: 800;
  line-height: var(--lh-tight);
  letter-spacing: var(--ls-hero);
  color: var(--primary);
}

.headline-h2 {
  font-family: var(--font-display);
  font-size: var(--text-h2);
  font-weight: 700;
  line-height: var(--lh-snug);
  letter-spacing: var(--ls-tight);
  color: var(--primary);
}

.headline-h3 {
  font-family: var(--font-display);
  font-size: var(--text-h3);
  font-weight: 700;
  line-height: var(--lh-snug);
  letter-spacing: var(--ls-normal);
  color: var(--primary);
}

.headline-h4 {
  font-family: var(--font-display);
  font-size: var(--text-h4);
  font-weight: 600;
  line-height: var(--lh-snug);
  letter-spacing: var(--ls-normal);
  color: var(--primary);
}

.body-lg {
  font-size: var(--text-lg);
  line-height: var(--lh-relaxed);
  color: var(--secondary);
  font-weight: 400;
}

.body-base {
  font-size: var(--text-base);
  line-height: var(--lh-relaxed);
  color: var(--secondary);
}

.body-sm {
  font-size: var(--text-sm);
  line-height: var(--lh-normal);
  color: var(--tertiary);
}

.text-muted { color: var(--tertiary); }
.text-secondary { color: var(--secondary); }
.text-primary { color: var(--primary); }

em.highlight {
  font-style: normal;
  font-weight: 800;
  color: var(--primary);
}


/* ===========================================
   5. NAVIGATION
   =========================================== */
.nav {
  position: fixed;
  top: 0;
  inset-inline: 0;
  z-index: 100;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  transition:
    background-color var(--dur-slow) var(--ease-out),
    backdrop-filter var(--dur-slow) var(--ease-out),
    border-color var(--dur-slow) var(--ease-out);
  border-bottom: 1px solid transparent;
}

.nav.is-scrolled {
  background-color: rgba(248, 248, 246, 0.82);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom-color: var(--border);
}

.nav__inner {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--px);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav__logo {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--primary);
  transition: opacity var(--dur-fast);
}
.nav__logo:hover { opacity: 0.65; }

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--sp-5);
}

.nav__link {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--secondary);
  letter-spacing: var(--ls-normal);
  transition: color var(--dur-fast);
  position: relative;
}
.nav__link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--primary);
  transition: width var(--dur-base) var(--ease-out);
}
.nav__link:hover { color: var(--primary); }
.nav__link:hover::after { width: 100%; }
.nav__link.is-active { color: var(--primary); }
.nav__link.is-active::after { width: 100%; }

.nav__cta {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-1);
  font-size: var(--text-sm);
  font-weight: 600;
  padding: 9px var(--sp-3);
  background: var(--cta);
  color: var(--surface);
  border-radius: var(--r-pill);
  transition:
    background-color var(--dur-fast),
    transform var(--dur-fast) var(--ease-spring),
    box-shadow var(--dur-fast);
}
.nav__cta:hover {
  background: var(--cta-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}
.nav__cta:active { transform: translateY(0); }

/* Mobile nav */
.nav__menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--sp-1);
}
.nav__menu-btn span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--primary);
  transition: all var(--dur-base) var(--ease-out);
}

@media (max-width: 720px) {
  .nav__links { display: none; }
  .nav__menu-btn { display: flex; }
  .nav__cta { display: none; }
}


/* ===========================================
   6. BUTTONS & CTA
   =========================================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: -0.01em;
  border-radius: var(--r-pill);
  transition:
    background-color var(--dur-fast),
    color var(--dur-fast),
    border-color var(--dur-fast),
    transform var(--dur-base) var(--ease-spring),
    box-shadow var(--dur-base);
  cursor: pointer;
  user-select: none;
  white-space: nowrap;
}
.btn:active { transform: scale(0.97); }

.btn--primary {
  background: var(--primary);
  color: var(--surface);
  padding: 14px var(--sp-5);
  box-shadow: var(--shadow-xs);
}
.btn--primary:hover {
  background: var(--cta-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn--secondary {
  background: transparent;
  color: var(--primary);
  padding: 13px var(--sp-5);
  border: 1px solid var(--border-strong);
}
.btn--secondary:hover {
  background: var(--surface-muted);
  border-color: var(--primary);
  transform: translateY(-2px);
}

.btn--ghost {
  background: transparent;
  color: var(--secondary);
  padding: 12px var(--sp-3);
  font-size: var(--text-sm);
}
.btn--ghost:hover { color: var(--primary); }

.btn--lg {
  font-size: var(--text-base);
  padding: 17px clamp(28px, 3vw, 40px);
}

.btn-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid var(--border);
  color: var(--secondary);
  transition: all var(--dur-fast);
}
.btn-icon:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--surface);
  transform: scale(1.05);
}

/* Arrow link */
.arrow-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--primary);
  border-bottom: 1px solid var(--border-strong);
  padding-bottom: 1px;
  transition: gap var(--dur-base) var(--ease-spring), border-color var(--dur-fast);
}
.arrow-link:hover {
  gap: 10px;
  border-color: var(--primary);
}
.arrow-link svg {
  transition: transform var(--dur-base) var(--ease-spring);
}
.arrow-link:hover svg { transform: translateX(2px); }


/* ===========================================
   7. HERO SECTION
   =========================================== */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding-top: var(--nav-h);
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

/* Subtle grid pattern */
.hero__bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 64px 64px;
  opacity: 0.45;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 0%, black 40%, transparent 80%);
}

/* Gradient orb */
.hero__bg::after {
  content: '';
  position: absolute;
  top: -20%;
  right: -10%;
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(79,70,229,0.06) 0%, transparent 70%);
  border-radius: 50%;
}

.hero__content {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--px);
  padding-block: var(--sp-9) var(--sp-8);
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-1);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-pill);
  padding: 6px 12px 6px 8px;
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--secondary);
  margin-bottom: var(--sp-5);
  box-shadow: var(--shadow-xs);
}

.hero__badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--green-strong);
  animation: pulse-dot 2.5s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.75); }
}

.hero__headline {
  font-family: var(--font-display);
  font-size: var(--text-hero);
  font-weight: 800;
  line-height: var(--lh-tight);
  letter-spacing: var(--ls-hero);
  color: var(--primary);
  max-width: 15ch;
  margin-bottom: var(--sp-4);
}

.hero__headline em {
  font-style: italic;
  font-weight: 700;
  color: var(--secondary);
}

.hero__sub {
  font-size: var(--text-lg);
  color: var(--secondary);
  line-height: var(--lh-relaxed);
  max-width: 48ch;
  margin-bottom: var(--sp-6);
}

.hero__ctas {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  flex-wrap: wrap;
}

.hero__scroll {
  position: absolute;
  bottom: var(--sp-5);
  left: var(--px);
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: var(--text-xs);
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
  color: var(--tertiary);
}

.hero__scroll-line {
  width: 32px;
  height: 1px;
  background: var(--tertiary);
  animation: scroll-line 2s ease-in-out infinite;
}

@keyframes scroll-line {
  0%, 100% { transform: scaleX(1); transform-origin: left; }
  50% { transform: scaleX(0.4); transform-origin: left; }
}


/* ===========================================
   8. PROJECT CARDS (Home — Selected Work)
   =========================================== */
.work {
  background: var(--surface);
}

.work__header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: var(--sp-7);
  gap: var(--sp-4);
}

.work__grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--sp-4);
}

.work__grid-item {
  grid-column: span 4;
  display: flex;
}

.project-card {
  position: relative;
  border-radius: var(--r-xl);
  background: var(--bg);
  border: 1px solid var(--border);
  overflow: hidden;
  transition:
    transform var(--dur-slow) var(--ease-out),
    box-shadow var(--dur-slow) var(--ease-out),
    border-color var(--dur-slow);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  width: 100%;
  height: 100%;
}

.project-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
  border-color: var(--border-strong);
}

.project-card__visual {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border-radius: var(--r-lg) var(--r-lg) 0 0;
}

.project-card__img {
  width: 100%;
  height: 100%;
  transform: scale(var(--scroll-scale, 1));
  transition: transform 350ms cubic-bezier(0.25, 1, 0.5, 1);
  will-change: transform;
}

.project-card:hover .project-card__img {
  transform: scale(1.08);
  transition: transform 700ms cubic-bezier(0.16, 1, 0.3, 1);
}

.project-card__meta {
  padding: var(--sp-4);
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}

.project-card__tag {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
  color: var(--tertiary);
}

.project-card__title {
  font-family: var(--font-display);
  font-size: clamp(18px, 1.8vw, 24px);
  font-weight: 700;
  letter-spacing: var(--ls-tight);
  color: var(--primary);
  line-height: var(--lh-snug);
}

.project-card__desc {
  font-size: var(--text-sm);
  color: var(--secondary);
  line-height: var(--lh-relaxed);
  flex: 1;
}

.project-card__metric {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--green-strong);
  background: var(--green-soft);
  border: 1px solid var(--green-mid);
  padding: 4px 10px;
  border-radius: var(--r-pill);
  margin-top: var(--sp-1);
  align-self: flex-start;
}

.project-card__arrow {
  position: absolute;
  top: var(--sp-3);
  right: var(--sp-3);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--surface);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--secondary);
  opacity: 0;
  transform: scale(0.8) translateY(4px);
  transition: all var(--dur-base) var(--ease-spring);
}
.project-card:hover .project-card__arrow {
  opacity: 1;
  transform: scale(1) translateY(0);
  color: var(--primary);
  border-color: var(--border-strong);
}


/* CSS Mockup Visuals */
.mockup-orbit {
  background: linear-gradient(145deg, #EEF2FF 0%, #E0E7FF 40%, #C7D2FE 100%);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding: var(--sp-4) var(--sp-3) 0;
  gap: var(--sp-2);
}

.mockup-orbit__screen {
  width: 180px;
  background: var(--surface);
  border-radius: 12px 12px 0 0;
  box-shadow: 0 -8px 32px rgba(79,70,229,0.12), 0 -2px 8px rgba(79,70,229,0.06);
  overflow: hidden;
}

.mockup-orbit__bar {
  height: 8px;
  background: linear-gradient(90deg, #C7D2FE, #818CF8);
  margin: 14px 14px 10px;
  border-radius: 4px;
}

.mockup-orbit__row {
  height: 6px;
  margin: 6px 14px;
  border-radius: 3px;
  background: #EEF2FF;
}
.mockup-orbit__row--short { width: 60%; }
.mockup-orbit__row--med { width: 80%; }

.mockup-orbit__steps {
  display: flex;
  gap: 4px;
  margin: 12px 14px 8px;
}

.mockup-orbit__step {
  height: 4px;
  flex: 1;
  border-radius: 2px;
  background: #C7D2FE;
}
.mockup-orbit__step.done { background: #818CF8; }

.mockup-orbit__avatar-row {
  display: flex;
  gap: 4px;
  margin: 0 14px 10px;
  align-items: center;
}
.mockup-orbit__avatar {
  width: 20px;
  height: 20px;
  border-radius: 50%;
}

.mockup-sidebar {
  width: 52px;
  background: rgba(255,255,255,0.7);
  border-radius: 10px 10px 0 0;
  padding: var(--sp-3) var(--sp-1);
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: center;
}
.mockup-sidebar__dot {
  width: 20px;
  height: 20px;
  border-radius: 6px;
  background: rgba(199,210,254,0.6);
}
.mockup-sidebar__dot.active {
  background: #818CF8;
}


/* Meridian mockup */
.mockup-meridian {
  background: var(--navy-bg);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  padding: var(--sp-4);
  align-content: center;
}

.mockup-meridian__chip {
  padding: 6px 10px;
  border-radius: 6px;
  font-size: 9px;
  font-weight: 600;
  font-family: var(--font-body);
  text-align: center;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.mockup-meridian__chip--blue   { background: rgba(99,102,241,0.25); color: #a5b4fc; }
.mockup-meridian__chip--teal   { background: rgba(20,184,166,0.25); color: #99f6e4; }
.mockup-meridian__chip--orange { background: rgba(251,146,60,0.25); color: #fed7aa; }
.mockup-meridian__chip--rose   { background: rgba(244,63,94,0.25);  color: #fecdd3; }
.mockup-meridian__chip--gray   { background: rgba(255,255,255,0.07); color: #94a3b8; }
.mockup-meridian__chip--amber  { background: rgba(251,191,36,0.25); color: #fde68a; }

.mockup-meridian__block {
  grid-column: span 2;
  height: 44px;
  border-radius: 8px;
}

.mockup-meridian__block--card  { background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.08); }
.mockup-meridian__block--cta   { background: linear-gradient(135deg, #6366f1, #8b5cf6); }


/* Pulse mockup */
.mockup-pulse {
  background: linear-gradient(160deg, #FAFFFE 0%, #F0FDF4 60%, #DCFCE7 100%);
  padding: var(--sp-3) var(--sp-3) 0;
  display: flex;
  align-items: flex-end;
  gap: var(--sp-2);
  justify-content: center;
}

.mockup-pulse__card {
  flex: 1;
  background: var(--surface);
  border-radius: 10px 10px 0 0;
  border: 1px solid var(--border);
  border-bottom: none;
  padding: 14px 12px;
  box-shadow: 0 -4px 24px rgba(22,163,74,0.08);
  max-width: 120px;
}

.mockup-pulse__card.featured {
  background: var(--primary);
  border-color: var(--primary);
  transform: translateY(-8px);
  box-shadow: 0 -8px 32px rgba(10,10,10,0.18);
}

.mockup-pulse__plan {
  font-size: 8px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 6px;
  color: var(--tertiary);
}
.mockup-pulse__card.featured .mockup-pulse__plan { color: rgba(255,255,255,0.5); }

.mockup-pulse__price {
  font-size: 18px;
  font-weight: 800;
  font-family: var(--font-display);
  color: var(--primary);
  margin-bottom: 8px;
}
.mockup-pulse__card.featured .mockup-pulse__price { color: var(--surface); }

.mockup-pulse__feature {
  height: 4px;
  border-radius: 2px;
  background: var(--surface-muted);
  margin-bottom: 4px;
}
.mockup-pulse__feature--short { width: 70%; }
.mockup-pulse__card.featured .mockup-pulse__feature { background: rgba(255,255,255,0.15); }

.mockup-pulse__cta {
  height: 22px;
  border-radius: 4px;
  background: var(--green-strong);
  margin-top: 8px;
}
.mockup-pulse__card.featured .mockup-pulse__cta {
  background: var(--surface);
}


/* ===========================================
   CyberGhost CRO mockup — A/B split
   =========================================== */
/* ── CyberGhost CRO Banner ── */
.mockup-cg {
  background: linear-gradient(135deg, #0f1729 0%, #1a1145 40%, #2d1b69 70%, #1a1145 100%);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

/* Ambient glow blobs */
.mockup-cg::before,
.mockup-cg::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.35;
  pointer-events: none;
}
.mockup-cg::before {
  width: 200px;
  height: 200px;
  background: #FFD600;
  top: -40px;
  right: -30px;
}
.mockup-cg::after {
  width: 160px;
  height: 160px;
  background: #6C5CE7;
  bottom: -30px;
  left: -20px;
}

/* Grid dots overlay */
.mockup-cg__dots {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(255,255,255,0.06) 1px, transparent 1px);
  background-size: 20px 20px;
  pointer-events: none;
}

/* Layout container */
.mockup-cg__layout {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  width: 100%;
  max-width: 360px;
}

/* Left column - Metrics */
.mockup-cg__metrics {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.mockup-cg__metric-card {
  background: rgba(255,255,255,0.07);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 10px;
  padding: 10px 12px;
}

.mockup-cg__metric-label {
  font-size: 8px;
  font-weight: 500;
  color: rgba(255,255,255,0.45);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-family: var(--font-body);
  margin-bottom: 4px;
}

.mockup-cg__metric-value {
  font-size: 22px;
  font-weight: 800;
  font-family: var(--font-display);
  letter-spacing: -0.03em;
  line-height: 1;
}

.mockup-cg__metric-value--gold { color: #FFD600; }
.mockup-cg__metric-value--green { color: #00E676; }
.mockup-cg__metric-value--purple { color: #B388FF; }

.mockup-cg__metric-sub {
  font-size: 7px;
  color: rgba(255,255,255,0.35);
  font-family: var(--font-body);
  margin-top: 2px;
}

/* Right column - Chart + AB cards */
.mockup-cg__right {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

/* SVG Chart */
.mockup-cg__chart-wrap {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 10px;
  padding: 10px 12px 8px;
  flex: 1;
}

.mockup-cg__chart-title {
  font-size: 8px;
  font-weight: 600;
  color: rgba(255,255,255,0.5);
  font-family: var(--font-body);
  margin-bottom: 8px;
}

.mockup-cg__chart-svg {
  width: 100%;
  height: 60px;
}

/* A/B Mini cards */
.mockup-cg__ab-row {
  display: flex;
  gap: 6px;
}

.mockup-cg__ab-card {
  flex: 1;
  border-radius: 8px;
  padding: 8px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.mockup-cg__ab-card--control {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
}

.mockup-cg__ab-card--winner {
  background: rgba(255,214,0,0.08);
  border: 1px solid rgba(255,214,0,0.25);
}

.mockup-cg__ab-tag {
  font-size: 7px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-family: var(--font-body);
}
.mockup-cg__ab-card--control .mockup-cg__ab-tag { color: rgba(255,255,255,0.3); }
.mockup-cg__ab-card--winner .mockup-cg__ab-tag { color: #FFD600; }

.mockup-cg__ab-bar {
  height: 3px;
  border-radius: 2px;
  background: rgba(255,255,255,0.1);
}
.mockup-cg__ab-bar--short { width: 60%; }
.mockup-cg__ab-bar--win { background: rgba(255,214,0,0.35); }

.mockup-cg__ab-result {
  font-size: 11px;
  font-weight: 800;
  font-family: var(--font-display);
  letter-spacing: -0.02em;
}
.mockup-cg__ab-card--control .mockup-cg__ab-result { color: rgba(255,255,255,0.2); }
.mockup-cg__ab-card--winner .mockup-cg__ab-result { color: #FFD600; }

/* Floating badge */
.mockup-cg__badge {
  position: absolute;
  bottom: 12px;
  right: 12px;
  z-index: 2;
  background: rgba(255,214,0,0.12);
  border: 1px solid rgba(255,214,0,0.3);
  border-radius: 20px;
  padding: 4px 10px;
  font-size: 8px;
  font-weight: 600;
  color: #FFD600;
  font-family: var(--font-body);
  letter-spacing: 0.02em;
  backdrop-filter: blur(8px);
}


/* ===========================================
   Intego Account Redesign mockup
   =========================================== */
.mockup-intego {
  background: linear-gradient(145deg, #EBF5FF 0%, #DAEEFF 100%);
  display: flex;
  padding: var(--sp-4) var(--sp-3) 0;
  gap: var(--sp-2);
  align-items: flex-start;
}

.mockup-intego__sidebar {
  width: 42px;
  background: #fff;
  border-radius: 8px;
  padding: 10px 6px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  box-shadow: 0 2px 12px rgba(0,90,200,0.1);
  flex-shrink: 0;
}

.mockup-intego__avatar {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: linear-gradient(135deg, #005FCC, #00A5DE);
  margin-bottom: 2px;
}

.mockup-intego__nav-item {
  width: 22px;
  height: 6px;
  border-radius: 3px;
  background: #D6E8F9;
}
.mockup-intego__nav-item.active { background: #005FCC; }

.mockup-intego__main {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 8px;
  overflow: hidden;
}

.mockup-intego__header {
  height: 20px;
  background: #fff;
  border-radius: 6px;
  box-shadow: 0 1px 4px rgba(0,90,200,0.07);
}

.mockup-intego__card {
  background: #fff;
  border-radius: 8px;
  padding: 10px;
  box-shadow: 0 2px 10px rgba(0,90,200,0.08);
  display: flex;
  flex-direction: column;
  gap: 5px;
}
.mockup-intego__card--sm { padding: 8px 10px; }

.mockup-intego__card-title {
  height: 7px;
  width: 55%;
  border-radius: 3px;
  background: #1A1A1A;
  margin-bottom: 2px;
}

.mockup-intego__card-row {
  height: 5px;
  border-radius: 3px;
  background: #E2EEF9;
}
.mockup-intego__card-row.short { width: 50%; }

.mockup-intego__badge {
  height: 14px;
  width: 56px;
  border-radius: 7px;
  background: linear-gradient(90deg, #005FCC, #00A5DE);
  margin-top: 2px;
}


/* ===========================================
   PIA Design System mockup — dark grid
   =========================================== */
.mockup-pia {
  background: #0C0F17;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  padding: var(--sp-4);
  align-content: center;
}

.mockup-pia__chip {
  padding: 6px 10px;
  border-radius: 6px;
  font-size: 9px;
  font-weight: 600;
  font-family: var(--font-body);
  text-align: center;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.mockup-pia__chip--teal { background: rgba(0,188,176,0.18); color: #00BCB0; }
.mockup-pia__chip--dark { background: rgba(255,255,255,0.05); color: #7B90AA; }
.mockup-pia__chip--gray { background: rgba(123,144,170,0.12); color: #7B90AA; }

.mockup-pia__block {
  grid-column: span 2;
  height: 44px;
  border-radius: 8px;
}
.mockup-pia__block--token { background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.07); }
.mockup-pia__block--cta   { background: linear-gradient(135deg, #00BCB0, #006F99); }


/* ===========================================
   9. ABOUT PREVIEW
   =========================================== */
.about-preview {
  border-top: 1px solid var(--border);
}

.about-preview__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-7);
  align-items: center;
}

.about-preview__label {
  display: block;
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
  color: var(--tertiary);
  margin-bottom: var(--sp-4);
}

.about-preview__text {
  font-family: var(--font-display);
  font-size: clamp(22px, 2.5vw, 32px);
  font-weight: 700;
  line-height: var(--lh-snug);
  letter-spacing: var(--ls-tight);
  color: var(--primary);
  margin-bottom: var(--sp-5);
}

.about-preview__body {
  font-size: var(--text-lg);
  color: var(--secondary);
  line-height: var(--lh-relaxed);
  max-width: 46ch;
  margin-bottom: var(--sp-5);
}

.skills-grid {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-1);
}

.skill-tag {
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--secondary);
  background: var(--surface-muted);
  border: 1px solid var(--border);
  padding: 5px 12px;
  border-radius: var(--r-pill);
  transition: all var(--dur-fast);
}
.skill-tag:hover {
  background: var(--primary);
  color: var(--surface);
  border-color: var(--primary);
}


/* ===========================================
   10. FOOTER
   =========================================== */
.footer {
  border-top: 1px solid var(--border);
  padding-block: var(--sp-6);
}

.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-4);
  flex-wrap: wrap;
}

.footer__brand {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--primary);
}

.footer__links {
  display: flex;
  align-items: center;
  gap: var(--sp-5);
}

.footer__link {
  font-size: var(--text-sm);
  color: var(--secondary);
  font-weight: 500;
  transition: color var(--dur-fast);
}
.footer__link:hover { color: var(--primary); }

.footer__copy {
  font-size: var(--text-xs);
  color: var(--tertiary);
}


/* ===========================================
   11. CASE STUDY PAGES
   =========================================== */
.cs-layout {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: var(--sp-8);
  align-items: start;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--px);
}

/* Side nav */
.cs-sidenav {
  position: sticky;
  top: calc(var(--nav-h) + var(--sp-6));
  display: flex;
  flex-direction: column;
  gap: var(--sp-1);
}

.cs-sidenav__link {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--tertiary);
  padding: 6px 12px;
  border-left: 2px solid transparent;
  transition: all var(--dur-fast);
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
}
.cs-sidenav__link:hover { color: var(--secondary); }
.cs-sidenav__link.is-active {
  color: var(--primary);
  border-left-color: var(--primary);
  background: var(--surface-muted);
}

/* Case study hero */
.cs-hero {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding-top: calc(var(--nav-h) + var(--sp-8));
  padding-bottom: var(--sp-8);
}

.cs-hero__eyebrow {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  margin-bottom: var(--sp-5);
  flex-wrap: wrap;
}

.cs-hero__tag {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
  color: var(--tertiary);
}

.cs-hero__sep {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--border-strong);
}

.cs-hero__title {
  font-family: var(--font-display);
  font-size: var(--text-h1);
  font-weight: 800;
  line-height: var(--lh-tight);
  letter-spacing: var(--ls-hero);
  color: var(--primary);
  margin-bottom: var(--sp-4);
  max-width: 18ch;
}

.cs-hero__subtitle {
  font-size: var(--text-lg);
  color: var(--secondary);
  line-height: var(--lh-relaxed);
  max-width: 52ch;
  margin-bottom: var(--sp-6);
}

.cs-hero__meta {
  display: flex;
  gap: var(--sp-6);
  flex-wrap: wrap;
  padding-top: var(--sp-5);
  border-top: 1px solid var(--border);
}

.cs-meta-item__label {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
  color: var(--tertiary);
  margin-bottom: var(--sp-1);
}

.cs-meta-item__value {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--primary);
}

/* Case study outcome metric */
.cs-outcome {
  display: inline-flex;
  align-items: baseline;
  gap: var(--sp-1);
  padding: var(--sp-4) var(--sp-5);
  background: var(--primary);
  color: var(--surface);
  border-radius: var(--r-xl);
  margin-bottom: var(--sp-6);
}

.cs-outcome__number {
  font-family: var(--font-display);
  font-size: clamp(40px, 5vw, 64px);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.04em;
}

.cs-outcome__label {
  font-size: var(--text-sm);
  font-weight: 500;
  color: rgba(255,255,255,0.65);
  max-width: 16ch;
  line-height: var(--lh-snug);
}

/* CS content sections */
.cs-content {
  padding-block: var(--sp-7);
}

.cs-section {
  padding-block: var(--sp-7);
  border-top: 1px solid var(--border);
}
.cs-section:first-child { border-top: none; }

.cs-section__header {
  margin-bottom: var(--sp-5);
}

.cs-section__label {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
  color: var(--tertiary);
  margin-bottom: var(--sp-2);
}

.cs-section__title {
  font-family: var(--font-display);
  font-size: var(--text-h3);
  font-weight: 700;
  letter-spacing: var(--ls-tight);
  color: var(--primary);
}

.cs-body {
  font-size: var(--text-lg);
  color: var(--secondary);
  line-height: var(--lh-relaxed);
  max-width: 60ch;
  margin-bottom: var(--sp-4);
}

.cs-body + .cs-body { margin-top: var(--sp-3); }

/* CS insight card */
.cs-insight {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  padding: var(--sp-5);
  margin-block: var(--sp-5);
}

.cs-insight__quote {
  font-family: var(--font-display);
  font-size: clamp(20px, 2vw, 26px);
  font-weight: 700;
  line-height: var(--lh-snug);
  letter-spacing: var(--ls-normal);
  color: var(--primary);
  margin-bottom: var(--sp-3);
}

.cs-insight__source {
  font-size: var(--text-sm);
  color: var(--tertiary);
}

/* CS image block */
.cs-image-block {
  width: 100%;
  border-radius: var(--r-xl);
  overflow: hidden;
  margin-block: var(--sp-6);
  background: var(--surface-muted);
  border: 1px solid var(--border);
}

.cs-image-block__visual {
  width: 100%;
  aspect-ratio: 16 / 9;
  display: flex;
  align-items: center;
  justify-content: center;
}

.cs-image-block__caption {
  padding: var(--sp-3) var(--sp-4);
  border-top: 1px solid var(--border);
  font-size: var(--text-sm);
  color: var(--tertiary);
}

/* Impact metrics */
.impact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-4);
  margin-block: var(--sp-5);
}

.impact-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  padding: var(--sp-5);
  text-align: center;
}

.impact-card__number {
  font-family: var(--font-display);
  font-size: clamp(36px, 4vw, 52px);
  font-weight: 800;
  letter-spacing: var(--ls-hero);
  color: var(--primary);
  line-height: 1;
  margin-bottom: var(--sp-2);
}

.impact-card__label {
  font-size: var(--text-sm);
  color: var(--secondary);
  line-height: var(--lh-normal);
}

/* CS list */
.cs-list {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  margin-block: var(--sp-4);
}

.cs-list__item {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-3);
  font-size: var(--text-base);
  color: var(--secondary);
  line-height: var(--lh-relaxed);
}

.cs-list__item::before {
  content: '';
  flex-shrink: 0;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--border-strong);
  margin-top: 9px;
}

/* CS two-column */
.cs-two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-5);
  margin-block: var(--sp-5);
}

/* Next project CTA */
.cs-next {
  background: var(--primary);
  padding-block: var(--sp-8);
  text-align: center;
}

.cs-next__label {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
  color: rgba(255,255,255,0.4);
  margin-bottom: var(--sp-3);
}

.cs-next__title {
  font-family: var(--font-display);
  font-size: var(--text-h2);
  font-weight: 800;
  letter-spacing: var(--ls-hero);
  color: var(--surface);
  margin-bottom: var(--sp-5);
}

.btn--outline-light {
  background: transparent;
  color: var(--surface);
  border: 1px solid rgba(255,255,255,0.25);
  padding: 14px var(--sp-5);
}
.btn--outline-light:hover {
  background: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.5);
  transform: translateY(-2px);
}


/* ===========================================
   12. ABOUT PAGE
   =========================================== */
.about-hero {
  padding-top: calc(var(--nav-h) + var(--sp-8));
  padding-bottom: var(--sp-8);
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

.about-body {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: var(--sp-8);
  align-items: start;
}

.about-portrait {
  position: sticky;
  top: calc(var(--nav-h) + var(--sp-6));
  background: var(--surface-muted);
  border: 1px solid var(--border);
  border-radius: var(--r-2xl);
  overflow: hidden;
  aspect-ratio: 3 / 4;
  display: flex;
  align-items: flex-end;
}

.about-portrait__visual {
  width: 100%;
  height: 100%;
  background: linear-gradient(160deg, #E0E7FF 0%, #EEF2FF 30%, #F5F3FF 60%, #FDF4FF 100%);
  position: relative;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding: var(--sp-5);
}

/* Decorative circles for portrait placeholder */
.about-portrait__visual::before {
  content: '';
  position: absolute;
  top: 15%;
  left: 50%;
  transform: translateX(-50%);
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: linear-gradient(135deg, #C7D2FE, #DDD6FE);
  box-shadow: var(--shadow-md);
}

.about-portrait__visual::after {
  content: '';
  position: absolute;
  top: calc(15% + 80px);
  left: 50%;
  transform: translateX(-50%);
  width: 160px;
  height: 80px;
  border-radius: 80px 80px 0 0;
  background: linear-gradient(135deg, #818CF8, #A78BFA);
  opacity: 0.6;
}

.about-portrait__caption {
  position: relative;
  z-index: 1;
  text-align: center;
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(8px);
  border-radius: var(--r-lg);
  padding: var(--sp-3) var(--sp-4);
  width: 100%;
}

.about-portrait__name {
  font-family: var(--font-display);
  font-size: var(--text-h4);
  font-weight: 700;
  color: var(--primary);
}

.about-portrait__title {
  font-size: var(--text-sm);
  color: var(--secondary);
  margin-top: 2px;
}

.philosophy-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-4);
  margin-block: var(--sp-5);
}

.philosophy-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  padding: var(--sp-5);
  transition: transform var(--dur-slow) var(--ease-out), box-shadow var(--dur-slow);
}
.philosophy-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.philosophy-card__icon {
  width: 40px;
  height: 40px;
  border-radius: var(--r-md);
  background: var(--surface-muted);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--sp-3);
  font-size: 18px;
}

.philosophy-card__title {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--primary);
  margin-bottom: var(--sp-2);
}

.philosophy-card__desc {
  font-size: var(--text-sm);
  color: var(--secondary);
  line-height: var(--lh-relaxed);
}

.tools-grid {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
  margin-block: var(--sp-4);
}

.tool-badge {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--primary);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 7px 14px;
  transition: all var(--dur-fast);
}
.tool-badge:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-sm);
  transform: translateY(-2px);
}
.tool-badge__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}


/* ===========================================
   13. CONTACT PAGE
   =========================================== */
.contact-wrap {
  min-height: 100svh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding: calc(var(--nav-h) + var(--sp-8)) var(--px) var(--sp-8);
}

.contact-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.contact-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 48px 48px;
  opacity: 0.35;
}

.contact-bg__orb-1 {
  position: absolute;
  top: 20%;
  left: -15%;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(79,70,229,0.07) 0%, transparent 70%);
  animation: orb-drift 10s ease-in-out infinite alternate;
}

.contact-bg__orb-2 {
  position: absolute;
  bottom: 10%;
  right: -10%;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(20,184,166,0.06) 0%, transparent 70%);
  animation: orb-drift 14s ease-in-out infinite alternate-reverse;
}

@keyframes orb-drift {
  from { transform: translate(0, 0) scale(1); }
  to   { transform: translate(40px, 30px) scale(1.08); }
}

.contact-inner {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 640px;
}

.contact-inner__label {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
  color: var(--tertiary);
  margin-bottom: var(--sp-4);
}

.contact-inner__headline {
  font-family: var(--font-display);
  font-size: var(--text-h1);
  font-weight: 800;
  letter-spacing: var(--ls-hero);
  color: var(--primary);
  line-height: var(--lh-tight);
  margin-bottom: var(--sp-4);
}

.contact-inner__sub {
  font-size: var(--text-lg);
  color: var(--secondary);
  line-height: var(--lh-relaxed);
  margin-bottom: var(--sp-6);
}

.contact-links {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-3);
  flex-wrap: wrap;
}

.contact-link {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--secondary);
  border-bottom: 1px solid var(--border);
  padding-bottom: 2px;
  transition: all var(--dur-fast);
}
.contact-link:hover {
  color: var(--primary);
  border-color: var(--primary);
  gap: var(--sp-3);
}

.contact-divider {
  color: var(--border-strong);
  font-size: var(--text-lg);
}


/* ===========================================
   14. ANIMATIONS & REVEAL SYSTEM
   =========================================== */

/* Reveal on scroll */
[data-reveal] {
  opacity: 0;
  transition:
    opacity var(--dur-reveal) var(--ease-out),
    transform var(--dur-reveal) var(--ease-out);
}

[data-reveal="fade-up"] {
  transform: translateY(28px);
}

[data-reveal="fade-down"] {
  transform: translateY(-20px);
}

[data-reveal="fade-left"] {
  transform: translateX(28px);
}

[data-reveal="fade-right"] {
  transform: translateX(-28px);
}

[data-reveal="scale"] {
  transform: scale(0.95);
}

[data-reveal].is-visible {
  opacity: 1;
  transform: translate(0) scale(1);
}

/* Stagger delays */
[data-delay="1"] { transition-delay: 80ms; }
[data-delay="2"] { transition-delay: 160ms; }
[data-delay="3"] { transition-delay: 240ms; }
[data-delay="4"] { transition-delay: 320ms; }
[data-delay="5"] { transition-delay: 400ms; }
[data-delay="6"] { transition-delay: 480ms; }
[data-delay="7"] { transition-delay: 560ms; }
[data-delay="8"] { transition-delay: 640ms; }

/* Hero text animation */
.hero-animate {
  opacity: 0;
  transform: translateY(20px);
  animation: hero-in var(--dur-slower) var(--ease-out) forwards;
}

.hero-animate:nth-child(1) { animation-delay: 100ms; }
.hero-animate:nth-child(2) { animation-delay: 200ms; }
.hero-animate:nth-child(3) { animation-delay: 330ms; }
.hero-animate:nth-child(4) { animation-delay: 480ms; }

@keyframes hero-in {
  to { opacity: 1; transform: translateY(0); }
}

/* Progress bar for case studies */
.progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  height: 2px;
  background: var(--primary);
  z-index: 999;
  width: 0%;
  transition: width 0.1s linear;
}

/* Page transition */
.page-fade {
  animation: page-in 600ms var(--ease-out) forwards;
}
@keyframes page-in {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}


/* ===========================================
   15. DIVIDERS & MISC
   =========================================== */
.divider {
  width: 100%;
  height: 1px;
  background: var(--border);
}

.tag {
  display: inline-flex;
  align-items: center;
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: var(--r-pill);
  border: 1px solid;
}

.tag--default { color: var(--tertiary); border-color: var(--border); background: transparent; }
.tag--blue    { color: var(--blue-strong); border-color: var(--blue-mid); background: var(--blue-soft); }
.tag--green   { color: var(--green-strong); border-color: var(--green-mid); background: var(--green-soft); }

/* Number counter visuals */
.stat-row {
  display: flex;
  gap: var(--sp-6);
  flex-wrap: wrap;
  margin-block: var(--sp-5);
}

.stat {
  display: flex;
  flex-direction: column;
  gap: var(--sp-1);
}

.stat__value {
  font-family: var(--font-display);
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 800;
  letter-spacing: var(--ls-hero);
  color: var(--primary);
}

.stat__label {
  font-size: var(--text-sm);
  color: var(--secondary);
}

/* Horizontal scrolling work ticker */
.work-ticker {
  border-block: 1px solid var(--border);
  padding-block: var(--sp-3);
  overflow: hidden;
  background: var(--surface);
}

.work-ticker__track {
  display: flex;
  gap: var(--sp-6);
  animation: ticker 28s linear infinite;
  width: max-content;
}

@keyframes ticker {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

.work-ticker__item {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--tertiary);
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: var(--sp-3);
}

.work-ticker__item::after {
  content: '·';
  color: var(--border-strong);
}


/* ===========================================
   16. RESPONSIVE
   =========================================== */
@media (max-width: 1024px) {
  .work__grid-item { grid-column: span 6; }
  .cs-layout { grid-template-columns: 1fr; }
  .cs-sidenav { display: none; }
  .about-body { grid-template-columns: 1fr; }
  .about-portrait { position: relative; top: auto; max-width: 340px; }
  .impact-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .work__grid-item { grid-column: span 12; }
  .work__header { flex-direction: column; align-items: flex-start; }
  .about-preview__inner { grid-template-columns: 1fr; gap: var(--sp-6); }
  .philosophy-grid { grid-template-columns: 1fr; }
  .cs-two-col { grid-template-columns: 1fr; }
  .impact-grid { grid-template-columns: 1fr; }
  .cs-hero__meta { gap: var(--sp-4); }
  .stat-row { gap: var(--sp-4); }
  .hero__ctas { flex-direction: column; align-items: flex-start; }
  .footer__inner { flex-direction: column; gap: var(--sp-3); }
  .contact-links { flex-direction: column; }
}

@media (max-width: 480px) {
  .cs-outcome { padding: var(--sp-3) var(--sp-4); }
  .cs-outcome__number { font-size: 36px; }
}

/* Hover-capable only */
@media (hover: none) {
  .project-card:hover { transform: none; box-shadow: none; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  [data-reveal] { opacity: 1; transform: none; }
}