/* ===========================
   CSS Custom Properties
   =========================== */
:root {
  --bg: #0e0f14;
  --card: #1a1b20;
  --bg-80: rgba(14, 15, 20, 0.8);
  --headline-text: #ffffff;
  --main-text: rgba(255, 255, 255, 0.9);
  --secondary-text: rgba(255, 255, 255, 0.6);
  --tertiary-text: rgba(255, 255, 255, 0.4);
  --border-20: rgba(255, 255, 255, 0.2);
  --border-10: rgba(255, 255, 255, 0.1);
  --border-5: rgba(255, 255, 255, 0.05);
  --accent: #ff75c3;
  --positive: #9fff5b;
  --positive-70: rgba(159, 255, 91, 0.7);
  --negative: #ffa647;
  --blue: #70e2ff;
  --medium: #ffe83f;

  --space-4: 4px;
  --space-8: 8px;
  --space-12: 12px;
  --space-16: 16px;
  --space-24: 24px;
  --space-32: 32px;
  --space-40: 40px;
  --space-48: 48px;
  --space-56: 56px;
  --space-64: 64px;
  --space-80: 80px;

  --radius-8: 8px;
  --radius-16: 16px;
  --radius-32: 32px;
  --radius-40: 40px;

  /* Case study typography tokens */
  --case-h1-size: 56px;
  --case-h1-line-height: 68px;
  --case-h1-letter-spacing: -1.4px;
  --case-h2-size: 36px;
  --case-h2-line-height: 48px;
  --case-h2-letter-spacing: -0.54px;
  --case-h3-size: 22px;
  --case-h3-line-height: 32px;
  --case-lead-size: 20px;
  --case-lead-line-height: 32px;
  --case-body-size: 16px;
  --case-body-line-height: 28px;
  --case-label-size: 14px;
  --case-label-line-height: 1;
  --case-metric-size: 36px;
  --case-metric-line-height: 48px;
  --case-bullet-size: 20px;
  --case-bullet-line-height: 32px;
  --case-card-date-size: 20px;
  --case-card-date-line-height: 32px;
  --case-card-title-size: 24px;
  --case-card-title-line-height: 34px;

  /* Display / hero typography tokens */
  --display-hero-main-size: 200px;
  --display-hero-main-line-height: 180px;
  --display-hero-side-size: 88px;
  --display-hero-side-line-height: 1.4;
  --display-page-title-size: 88px;
  --display-page-title-line-height: 84px;
  --display-page-title-letter-spacing: -3.08px;
  --display-hero-body-size: 20px;
  --display-hero-body-line-height: 32px;
  --display-social-size: 18px;
}

@media (max-width: 1200px) {
  :root {
    --case-h1-size: 44px;
    --case-h1-line-height: 56px;
    --display-hero-main-size: 136px;
    --display-hero-main-line-height: 122px;
    --display-hero-side-size: 60px;
    --display-page-title-size: 72px;
    --display-page-title-line-height: 76px;
    --display-page-title-letter-spacing: -2.2px;
    --display-hero-body-size: 18px;
    --display-hero-body-line-height: 28px;
  }
}

@media (max-width: 809px) {
  :root {
    --case-h1-size: 36px;
    --case-h1-line-height: 44px;
    --case-h1-letter-spacing: -0.54px;
    --case-h2-size: 26px;
    --case-h2-line-height: 36px;
    --case-h3-size: 20px;
    --case-h3-line-height: 30px;
    --case-lead-size: 18px;
    --case-lead-line-height: 30px;
    --case-metric-size: 28px;
    --case-metric-line-height: 40px;
    --case-bullet-size: 18px;
    --case-bullet-line-height: 30px;
    --case-card-title-size: 24px;
    --case-card-title-line-height: 32px;
    --display-hero-main-size: 91px;
    --display-hero-main-line-height: 82px;
    --display-hero-side-size: 40px;
    --display-page-title-size: 56px;
    --display-page-title-line-height: 64px;
    --display-page-title-letter-spacing: -1.4px;
    --display-hero-body-size: 16px;
    --display-hero-body-line-height: 24px;
    --display-social-size: 16px;
  }
}

@media (max-width: 600px) {
  :root {
    --case-h1-size: 28px;
    --case-h1-line-height: 36px;
    --case-h1-letter-spacing: 0;
    --case-h2-size: 22px;
    --case-h2-line-height: 30px;
    --case-h3-size: 18px;
    --case-h3-line-height: 28px;
    --case-lead-size: 16px;
    --case-lead-line-height: 26px;
    --case-bullet-size: 16px;
    --case-bullet-line-height: 26px;
  }
}

@media (max-width: 395px) {
  :root {
    --display-hero-main-size: 69.98px;
    --display-hero-main-line-height: 62.98px;
    --display-hero-side-size: 30.79px;
    --display-page-title-size: 40px;
    --display-page-title-line-height: 48px;
    --display-page-title-letter-spacing: -0.6px;
  }
}

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

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  width: 100%;
  overflow-x: hidden;
  overscroll-behavior-x: none;
}

body {
  background-color: var(--bg);
  color: var(--headline-text);
  font-family: 'Raleway', sans-serif;
  line-height: 1.5;
  width: 100%;
  overflow-x: hidden;
}

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }

/* ===========================
   Page Loader
   =========================== */
.page-loader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 500ms ease, visibility 500ms ease;
}

.page-loader.is-hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.loader-mark {
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: 48px;
  letter-spacing: -2px;
  color: var(--headline-text);
  animation: loader-pulse 1.2s ease-in-out infinite alternate;
}

.loader-mark span { color: var(--accent); }

@keyframes loader-pulse {
  from { opacity: 0.3; }
  to   { opacity: 1; }
}

/* ===========================
   Typography Scale
   =========================== */
.h1 {
  font-family: 'Unbounded', sans-serif;
  font-weight: 400;
  font-size: 80px;
  line-height: 1.2;
}

.h2 {
  font-family: 'Unbounded', sans-serif;
  font-weight: 400;
  font-size: 40px;
  line-height: 1.2;
}

.subtitle {
  font-family: 'Instrument Sans', sans-serif;
  font-weight: 600;
  font-size: 28px;
  line-height: 1.2;
}

.statement {
  font-family: 'Instrument Sans', sans-serif;
  font-weight: 500;
  font-style: italic;
  font-size: 28px;
  line-height: 1.6;
  max-width: 660px;
}

.body-18 {
  font-family: 'Instrument Sans', sans-serif;
  font-weight: 400;
  font-size: 18px;
  line-height: 1.5;
  max-width: 600px;
}

.body-18-medium {
  font-family: 'Instrument Sans', sans-serif;
  font-weight: 500;
  font-size: 18px;
  line-height: 1.4;
}

.body-16 {
  font-family: 'Instrument Sans', sans-serif;
  font-weight: 400;
  font-size: 16px;
  line-height: 1.5;
  max-width: 540px;
}

.caption-16 {
  font-family: 'IBM Plex Mono', monospace;
  font-weight: 400;
  font-size: 16px;
  line-height: 1.5;
  text-transform: uppercase;
}

.caption-12 {
  font-family: 'IBM Plex Mono', monospace;
  font-weight: 400;
  font-size: 12px;
  line-height: 1.5;
  text-transform: uppercase;
}

/* Case type styles */
.c-h1 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: var(--case-h1-size);
  line-height: var(--case-h1-line-height);
  letter-spacing: var(--case-h1-letter-spacing);
}

.c-h2 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: var(--case-h2-size);
  line-height: var(--case-h2-line-height);
  letter-spacing: var(--case-h2-letter-spacing);
}

.c-h3 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: var(--case-h3-size);
  line-height: var(--case-h3-line-height);
}

.c-lead {
  font-family: 'Raleway', sans-serif;
  font-weight: 400;
  font-size: var(--case-lead-size);
  line-height: var(--case-lead-line-height);
  max-width: 600px;
}

.c-body {
  font-family: 'Raleway', sans-serif;
  font-weight: 400;
  font-size: var(--case-body-size);
  line-height: var(--case-body-line-height);
}

.c-semi {
  font-family: 'Raleway', sans-serif;
  font-weight: 600;
  font-size: var(--case-body-size);
  line-height: var(--case-body-line-height);
}

.c-cap {
  font-family: 'Raleway', sans-serif;
  font-weight: 400;
  font-size: var(--case-label-size);
  line-height: var(--case-label-line-height);
  letter-spacing: 1.12px;
  text-transform: uppercase;
}

/* ===========================
   Color Utilities
   =========================== */
.color-headline  { color: var(--headline-text); }
.color-main      { color: var(--main-text); }
.color-secondary { color: var(--secondary-text); }
.color-tertiary  { color: var(--tertiary-text); }
.color-accent    { color: var(--accent); }
.color-positive  { color: var(--positive); }
.color-negative  { color: var(--negative); }
.color-blue      { color: var(--blue); }

/* ===========================
   Layout
   =========================== */
.page {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  width: 100%;
  min-height: 100vh;
  overflow-x: clip;
}

.section {
  width: 100%;
  padding: var(--space-80);
  display: flex;
  flex-direction: column;
  gap: var(--space-80);
  position: relative;
}

.section--pt-40  { padding-top: 40px; }
.section--pb-160 { padding-bottom: 160px; }

.grid-12 {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  column-gap: var(--space-80);
  row-gap: var(--space-80);
  width: 100%;
}

/* Column spans */
.col-1-4  { grid-column: 1 / span 4; }
.col-1-6  { grid-column: 1 / span 6; }
.col-1-8  { grid-column: 1 / span 8; }
.col-1-12 { grid-column: 1 / span 12; }
.col-4-6  { grid-column: 4 / span 6; }
.col-5-8  { grid-column: 5 / span 8; }
.col-7-6  { grid-column: 7 / span 6; }

/* ===========================
   Navbar
   =========================== */
.navbar-wrap {
  position: fixed;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  width: calc(100% - 40px);  /* wide pill by default */
  z-index: 1000;
  pointer-events: none;
  /* transition lives in motion.css */
}

/* Compact state — wrapper narrows, stays centred via left:50% translateX(-50%) */
.navbar-wrap.is-compact {
  width: 460px;
}

.navbar {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-32);
  background: var(--bg-80);
  border: 1px solid var(--border-5);
  border-radius: var(--radius-40);
  padding: var(--space-8);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  pointer-events: auto;
}

/* Tighten internal gaps when compact so buttons never overflow */
.navbar-wrap.is-compact .navbar {
  gap: var(--space-16);
}

.navbar-wrap.is-compact .navbar__right {
  gap: var(--space-12);
}

.navbar__logo {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border: 1px solid var(--border-20);
  border-radius: var(--radius-40);
  background: var(--accent);
  text-decoration: none;
  flex-shrink: 0;
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: 16px;
  color: #fff;
}

.navbar__right {
  display: flex;
  align-items: center;
  gap: var(--space-32);
}

.navbar__link {
  font-family: 'Raleway', sans-serif;
  font-weight: 500;
  font-size: 20px;
  line-height: 32px;
  color: var(--headline-text);
  white-space: nowrap;
  text-decoration: none;
  padding: var(--space-8) 0;
}

.navbar__btn {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-8) 20px;
  border: 1px solid var(--border-20);
  border-radius: var(--radius-32);
  background: transparent;
  font-family: 'Raleway', sans-serif;
  font-weight: 500;
  font-size: 20px;
  line-height: 32px;
  color: var(--headline-text);
  white-space: nowrap;
  cursor: pointer;
  text-decoration: none;
  flex-shrink: 0;
}

.navbar__btn:hover { background: rgba(255,255,255,0.08); }

@media (max-width: 1200px) {
  .navbar-wrap { width: calc(100% - 32px); }
  .navbar-wrap.is-compact { width: 380px; }
}

@media (max-width: 809px) {
  .navbar-wrap { width: calc(100% - 24px); }
  .navbar-wrap.is-compact { width: min(360px, calc(100% - 24px)); }
  .navbar { gap: var(--space-24); }
  .navbar__right { gap: var(--space-24); }
  .navbar__link { font-size: 16px; }
  .navbar__btn { font-size: 16px; padding: 10px 16px; }
}

@media (max-width: 395px) {
  .navbar__link { font-size: 14px; }
  .navbar__btn { font-size: 14px; padding: 8px 14px; }
}

/* ===========================
   Image & Video Blocks
   =========================== */
.img-block {
  width: 100%;
  border-radius: var(--radius-16);
  overflow: hidden;
  background: var(--card);
  position: relative;
}

.img-block--ratio-2-1  { aspect-ratio: 2 / 1; }
.img-block--ratio-16-9 { aspect-ratio: 16 / 9; }
.img-block--ratio-4-3  { aspect-ratio: 4 / 3; }

.img-block img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  inset: 0;
}

/* ===========================
   Cards (Case list)
   =========================== */
.card {
  display: flex;
  flex-direction: column;
  gap: var(--space-24);
  text-decoration: none;
  width: 100%;
  cursor: pointer;
}

.card__picture {
  width: 100%;
  aspect-ratio: 1280 / 768;
  background: var(--card);
  border-radius: 24px;
  overflow: hidden;
  position: relative;
  contain: paint;
}

.card__picture img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  inset: 0;
  transition: transform 520ms cubic-bezier(0.22, 1, 0.36, 1);
}

.card:hover .card__picture img { transform: scale(1.04); }

.card__description {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
  width: 100%;
}

.card__date {
  font-family: 'Raleway', sans-serif;
  font-weight: 400;
  font-size: 20px;
  line-height: 32px;
  color: var(--secondary-text);
  white-space: nowrap;
}

.card__title {
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: var(--case-card-title-size);
  line-height: var(--case-card-title-line-height);
  letter-spacing: -0.54px;
  color: var(--headline-text);
  max-width: 100%;
}

/* ===========================
   Rail (metadata sidebar)
   =========================== */
.rail {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}

.rail__label {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 14px;
  line-height: 1.5;
  text-transform: uppercase;
  color: var(--tertiary-text);
}

.rail__value {
  font-family: 'Instrument Sans', sans-serif;
  font-weight: 400;
  font-size: 18px;
  line-height: 1.5;
  color: var(--secondary-text);
}

/* ===========================
   Metric
   =========================== */
.metric {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}

.metric__val {
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: var(--case-metric-size);
  line-height: var(--case-metric-line-height);
  letter-spacing: -0.54px;
  color: var(--headline-text);
}

.metric__val--accent   { color: var(--accent); }
.metric__val--blue     { color: var(--blue); }
.metric__val--positive { color: var(--positive); }
.metric__val--negative { color: var(--negative); }

.metric__cap {
  font-family: 'Raleway', sans-serif;
  font-weight: 400;
  font-size: var(--case-label-size);
  letter-spacing: 1.12px;
  text-transform: uppercase;
  color: var(--tertiary-text);
}

/* ===========================
   Divider
   =========================== */
.divider {
  width: 100%;
  height: 1px;
  background: var(--border-20);
  border: none;
}

/* ===========================
   Accent Bar
   =========================== */
.accent-bar {
  border-left: 1px solid var(--accent);
  padding: var(--space-8) var(--space-24);
}

.accent-bar--neutral { border-left-color: var(--border-20); }

/* ===========================
   Quote Block
   =========================== */
.quote-block {
  position: relative;
  padding: var(--space-40) 0 var(--space-40) 40px;
  max-width: 680px;
}

.quote-block::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 1px;
  background: var(--accent);
}

.quote-block__text {
  font-family: 'Instrument Sans', sans-serif;
  font-weight: 500;
  font-style: italic;
  font-size: 28px;
  line-height: 1.6;
  color: var(--headline-text);
}

.quote-block__author {
  margin-top: var(--space-16);
  font-family: 'Raleway', sans-serif;
  font-size: 16px;
  color: var(--secondary-text);
}

/* ===========================
   Bullets
   =========================== */
.bullets {
  display: flex;
  flex-direction: column;
  gap: var(--space-16);
}

.bullet {
  display: flex;
  gap: var(--space-24);
  align-items: baseline;
}

.bullet__icon {
  font-size: 20px;
  width: 24px;
  flex-shrink: 0;
}

.bullet__text {
  font-family: 'Raleway', sans-serif;
  font-weight: 400;
  font-size: var(--case-bullet-size);
  line-height: var(--case-bullet-line-height);
  color: var(--main-text);
  flex: 1;
}

/* ===========================
   Tags
   =========================== */
.tags { display: flex; flex-wrap: wrap; gap: var(--space-8); }

.tag {
  display: inline-flex;
  align-items: center;
  background: var(--border-10);
  border-radius: var(--radius-8);
  padding: 2px 12px 4px;
  font-family: 'Raleway', sans-serif;
  font-weight: 600;
  font-size: var(--case-body-size);
  line-height: var(--case-body-line-height);
  color: var(--secondary-text);
  white-space: nowrap;
}

/* ===========================
   Numbered List
   =========================== */
.numbered-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-16);
}

.numbered-item {
  display: flex;
  gap: var(--space-16);
  align-items: flex-start;
}

.numbered-item__num {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 16px;
  line-height: 1.5;
  text-transform: uppercase;
  color: var(--positive);
  flex-shrink: 0;
  padding-top: 4px;
  width: 32px;
}

.numbered-item__text {
  font-family: 'Instrument Sans', sans-serif;
  font-size: 20px;
  line-height: 1.5;
  color: var(--secondary-text);
  flex: 1;
  max-width: 600px;
}

/* ===========================
   Card variants (for case study)
   =========================== */
.rail-card {
  background: var(--card);
  border-radius: var(--radius-40);
  padding: var(--space-56);
  display: flex;
  flex-direction: column;
  gap: var(--space-56);
}

.rail-card--sm {
  background: var(--card);
  border-radius: var(--radius-16);
  padding: var(--space-32);
  display: flex;
  flex-direction: column;
  gap: var(--space-16);
}

.rail-card--outcome {
  background: rgba(112, 226, 255, 0.07);
  border-radius: var(--radius-16);
  padding: var(--space-32);
  display: flex;
  flex-direction: column;
  gap: var(--space-24);
}

/* ===========================
   Footer
   =========================== */
.site-footer {
  width: 100%;
  padding: var(--space-80);
  border-top: 1px solid var(--border-5);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-32);
}

.site-footer__name {
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: 22px;
  letter-spacing: -0.4px;
  color: var(--headline-text);
}

.site-footer__links {
  display: flex;
  gap: var(--space-32);
}

.site-footer__link {
  font-family: 'Raleway', sans-serif;
  font-weight: 500;
  font-size: 16px;
  color: var(--secondary-text);
  transition: color 0.2s;
}

.site-footer__link:hover { color: var(--headline-text); }

.site-footer__copy {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 12px;
  color: var(--tertiary-text);
  text-transform: uppercase;
}

@media (max-width: 809px) {
  .site-footer {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-24);
    padding: var(--space-40) var(--space-16);
  }
}

/* ===========================
   Section responsive
   =========================== */
@media (max-width: 1200px) {
  .section { padding: var(--space-40); }
}

@media (max-width: 809px) {
  .section { padding: var(--space-40) var(--space-16); gap: var(--space-40); }
  .grid-12 { grid-template-columns: 1fr; column-gap: 0; row-gap: var(--space-40); }
  .col-1-4, .col-1-6, .col-1-8, .col-1-12,
  .col-4-6, .col-5-8, .col-7-6 { grid-column: 1; }
  .h1 { font-size: 40px; }
  .h2 { font-size: 28px; }
}