/* ===== Custom Properties ===== */
:root {
  --color-navy: #111827;
  --color-navy-light: #1F2937;
  --color-navy: #111827;
  --color-navy-light: #243B53;
  --color-ink: #2F5F8F;
  --color-blue: #243B53;
  --color-blue-light: #334155;
  --color-blue-pale: #E5E1D8;
  --color-blue-bg: #F8F5EF;
  --color-copper: #C46A3A;
  --color-orange: #C46A3A;
  --color-white: #FFFFFF;
  --color-warm-white: #F8F5EF;
  --color-gray-50: #F8F5EF;
  --color-gray-100: #F4F5F7;
  --color-gray-150: #F8F5EF;
  --color-gray-200: #EEF1F5;
  --color-gray-300: #E5E1D8;
  --color-gray-400: #CBD5E1;
  --color-gray-500: #9CA3AF;
  --color-gray-600: #5B6472;
  --color-gray-700: #5B6472;
  --color-gray-800: #334155;
  --color-tag-text: #111827;
  --color-cta-text: #D1D5DB;
  --color-footer-bg: #111827;

  --font-heading: 'Inter', 'Helvetica Neue', Arial, sans-serif;
  --font-body: 'Inter', 'Helvetica Neue', Arial, sans-serif;

  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 12px;
  --space-lg: 16px;
  --space-xl: 24px;
  --space-2xl: 28px;
  --space-3xl: 48px;
  --space-4xl: 56px;

  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 10px;
  --radius-xl: 14px;

  --section-px: 28px;
  --section-py-sm: 48px;
  --section-py: 56px;
}

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

body {
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  background: var(--color-gray-150);
  color: var(--color-navy);
}

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

ul {
  list-style: none;
}

button {
  cursor: pointer;
  font-family: inherit;
}

/* ===== Page Wrapper (browser frame) ===== */
.page-wrapper {
  background: var(--color-gray-150);
  border-radius: var(--radius-xl);
  padding: var(--space-md);
}

.page {
  background: var(--color-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 0.5px solid var(--color-gray-300);
}

/* ===== Browser Chrome ===== */
.browser-chrome {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 10px 14px;
  background: var(--color-gray-100);
  border-bottom: 0.5px solid var(--color-gray-300);
}

.chrome-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: inline-block;
  flex-shrink: 0;
}

.chrome-dot--red   { background: #FF5F57; }
.chrome-dot--yellow { background: #FEBC2E; }
.chrome-dot--green  { background: #28C840; }

.chrome-url {
  flex: 1;
  margin: 0 14px;
  padding: 4px 10px;
  background: var(--color-white);
  border-radius: var(--radius-sm);
  font-size: 11px;
  color: var(--color-gray-600);
  text-align: center;
}

.chrome-url i {
  font-size: 10px;
  vertical-align: -1px;
  margin-right: 4px;
}

/* ===== Nav ===== */
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px var(--section-px);
  border-bottom: 0.5px solid var(--color-gray-200);
  background: var(--color-white);
  position: relative;
  z-index: 2;
}

.nav__logo {
  font-family: var(--font-heading);
  font-size: 19px;
  font-weight: 500;
}

.nav__logo-dark { color: var(--color-navy); }
.nav__logo-blue { color: var(--color-ink); }

.nav__links {
  display: flex;
  gap: 20px;
  font-size: 14px;
  color: var(--color-gray-800);
}

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

.nav__signin {
  font-size: 14px;
  color: var(--color-gray-800);
}

.nav__link--active {
  color: var(--color-copper);
  font-weight: 500;
}

.nav__toggle {
  display: none;
  background: none;
  border: none;
  font-size: 22px;
  color: var(--color-navy);
}

/* ===== Buttons ===== */
.btn {
  border: none;
  border-radius: var(--radius-sm);
  font-size: 13px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: opacity 0.15s;
}

.btn:hover { opacity: 0.85; }

.btn--primary {
  background: var(--color-navy);
  color: var(--color-white);
  padding: 10px 18px;
  font-weight: 500;
}

.btn--primary-light {
  background: var(--color-white);
  color: var(--color-navy);
  padding: 11px 20px;
  font-weight: 600;
}

.btn--outline {
  background: transparent;
  color: var(--color-navy);
  border: 1px solid var(--color-gray-300);
  padding: 10px 18px;
  font-weight: 500;
}

.btn--outline-light {
  background: transparent;
  color: var(--color-white);
  border: 1px solid rgba(255,255,255,0.3);
  padding: 11px 20px;
  font-weight: 500;
}

.btn--sm {
  padding: 7px 14px;
  font-size: 12px;
}

.btn i {
  font-size: 13px;
  vertical-align: -2px;
  margin-left: 4px;
}

/* ===== Overline ===== */
.overline {
  font-size: 11px;
  color: var(--color-copper);
  letter-spacing: 2px;
  margin: 0 0 10px;
}

/* ===== Section Heading ===== */
.section-heading {
  font-family: var(--font-heading);
  font-size: 28px;
  font-weight: 500;
  line-height: 1.15;
  color: var(--color-navy);
  margin: 0 0 var(--space-sm);
}

/* ===== Divider ===== */
.divider {
  width: 36px;
  height: 3px;
}

.divider--orange {
  background: var(--color-orange);
}

.divider--section {
  margin: var(--space-md) 0 var(--space-2xl);
}

/* ===== Badge ===== */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  background: var(--color-warm-white);
  color: var(--color-tag-text);
  font-size: 11px;
  border-radius: 999px;
  margin-bottom: 18px;
  border: 0.5px solid var(--color-gray-300);
}

.badge__dot {
  width: 6px;
  height: 6px;
  background: var(--color-copper);
  border-radius: 50%;
}

/* ===== Page Header ===== */
.page-header {
  padding: var(--space-3xl) var(--section-px) var(--space-2xl);
  background: var(--color-white);
}

.page-header__heading {
  font-family: var(--font-heading);
  font-size: 36px;
  font-weight: 500;
  line-height: 1.15;
  color: var(--color-navy);
  margin: 0 0 var(--space-sm);
}

.stack__grid--centered {
  max-width: 860px;
  margin: 0 auto;
}

/* ===== Hero ===== */
.hero {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: var(--space-xl);
  padding: var(--space-3xl) var(--section-px) var(--space-4xl);
  align-items: center;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  position: relative;
}

/* Left side: white gradient for text readability */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, rgba(255,255,255,0.88) 0%, rgba(255,255,255,0.50) 40%, rgba(7,26,47,0.45) 60%, rgba(7,26,47,0.70) 100%);
  z-index: 0;
}

/* Reduce image brightness and add subtle desaturation */
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(7,26,47,0.12);
  mix-blend-mode: multiply;
  z-index: 0;
  pointer-events: none;
}

.hero__text,
.hero__visual {
  position: relative;
  z-index: 1;
}

.hero__heading {
  font-family: var(--font-heading);
  font-size: 38px;
  font-weight: 500;
  line-height: 1.1;
  color: var(--color-navy);
  margin: 0 0 18px;
  letter-spacing: -0.5px;
}

.hero__body {
  font-size: 14px;
  color: var(--color-gray-700);
  line-height: 1.65;
  margin: 0 0 22px;
  max-width: 360px;
}

.hero__ctas {
  display: flex;
  gap: 10px;
}

.hero__visual {
  position: relative;
  height: 320px;
}

.hero__svg {
  width: 100%;
  height: 100%;
}

.hero .divider {
  margin-bottom: 18px;
}

/* Label pills around the hero graphic */
.hero__labels {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero__label-pill {
  position: absolute;
  display: inline-flex;
  align-items: center;
  white-space: nowrap;
  background: rgba(7, 26, 47, 0.65);
  border: 1px solid rgba(255,255,255,0.18);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-radius: 999px;
  padding: 6px 12px;
  font-family: 'Inter', var(--font-body);
  font-size: 11px;
  font-weight: 600;
  color: #EAF2FF;
  line-height: 1.2;
}

.hero__label-pill--top    { top: 2%; left: 50%; transform: translateX(-50%); }
.hero__label-pill--right  { top: 42%; right: -2%; }
.hero__label-pill--bottom { bottom: 2%; left: 50%; transform: translateX(-50%); }
.hero__label-pill--left   { top: 42%; left: -2%; }

@media (max-width: 768px) {
  .hero__label-pill {
    font-size: 10px;
    padding: 4px 10px;
  }
}

/* ===== Trust Strip ===== */
.trust-strip {
  padding: 22px var(--section-px);
  border-top: 0.5px solid var(--color-gray-200);
  border-bottom: 0.5px solid var(--color-gray-200);
  background: var(--color-gray-150);
}

.trust-strip__label {
  font-size: 10px;
  color: var(--color-gray-500);
  letter-spacing: 2px;
  margin: 0 0 var(--space-md);
  text-align: center;
}

.trust-strip__logos {
  display: flex;
  justify-content: space-around;
  align-items: center;
  opacity: 0.7;
}

.trust-strip__logo {
  font-size: 12px;
  color: var(--color-gray-600);
}

.trust-strip__logo--serif {
  font-family: var(--font-heading);
  font-size: 13px;
}

.trust-strip__logo--bold {
  font-weight: 500;
}

/* ===== Problem ===== */
.problem {
  padding: var(--section-py) var(--section-px);
  background: var(--color-white);
}

.problem .section-heading {
  font-size: 30px;
}

.problem__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.problem-card {
  padding: 18px;
  border: 0.5px solid var(--color-gray-300);
  border-radius: var(--radius-md);
  background: var(--color-white);
}

.problem-card__icon {
  width: 30px;
  height: 30px;
  background: var(--color-blue-bg);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 10px;
}

.problem-card__icon i {
  font-size: 16px;
  color: var(--color-navy);
}

.problem-card__title {
  margin: 0;
  font-size: 13px;
  color: var(--color-navy);
  font-weight: 500;
}

.problem-card__desc {
  margin: 4px 0 0;
  font-size: 11px;
  color: var(--color-gray-600);
  line-height: 1.5;
}

.alert {
  margin-top: 22px;
  padding: 16px 20px;
  background: var(--color-navy);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.alert i {
  font-size: 18px;
  color: var(--color-orange);
}

.alert p {
  margin: 0;
  font-size: 13px;
  color: var(--color-white);
  font-weight: 500;
}

/* ===== Stack ===== */
.stack {
  padding: var(--section-py) var(--section-px);
  background: var(--color-gray-50);
}

.stack__grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: var(--space-2xl);
}

.stack__body {
  font-size: 13px;
  color: var(--color-gray-700);
  line-height: 1.65;
  margin: 0 0 var(--space-lg);
}

.stack__chain {
  font-size: 12px;
  color: var(--color-gray-600);
}

.stack__arrow {
  color: var(--color-gray-500);
}

.stack__chain-highlight {
  color: var(--color-copper);
  font-weight: 500;
}

.stack__chain-bold {
  color: var(--color-navy);
  font-weight: 500;
}

.stack__tiers {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.stack .divider--section {
  margin: var(--space-md) 0 18px;
}

/* Tier base */
.tier {
  display: flex;
  align-items: center;
  padding: var(--space-md) 14px;
  border-radius: var(--radius-sm);
}

.tier__icon {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: 10px;
  flex-shrink: 0;
}

.tier__icon i {
  font-size: 14px;
}

.tier__content {
  flex: 1;
}

.tier__label {
  margin: 0;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 1px;
}

.tier__desc {
  margin: 2px 0 0;
  font-size: 10px;
}

.tier__num {
  font-family: var(--font-heading);
  font-size: 16px;
  opacity: 0.4;
  flex-shrink: 0;
}

/* Tier variants */
.tier--decision {
  background: var(--color-navy);
}

.tier--decision .tier__icon { background: rgba(255,255,255,0.1); }
.tier--decision .tier__icon i,
.tier--decision .tier__label,
.tier--decision .tier__num { color: var(--color-white); }
.tier--decision .tier__desc { color: var(--color-cta-text); }

.tier--business {
  background: var(--color-navy-light);
}

.tier--business .tier__icon { background: rgba(255,255,255,0.1); }
.tier--business .tier__icon i,
.tier--business .tier__label,
.tier--business .tier__num { color: var(--color-white); }
.tier--business .tier__desc { color: var(--color-cta-text); }

.tier--workflow {
  background: var(--color-blue);
}

.tier--workflow .tier__icon { background: rgba(255,255,255,0.15); }
.tier--workflow .tier__icon i,
.tier--workflow .tier__label,
.tier--workflow .tier__num { color: var(--color-white); }
.tier--workflow .tier__desc { color: var(--color-blue-pale); }

.tier--model {
  background: var(--color-blue-light);
}

.tier--model .tier__icon { background: rgba(255,255,255,0.2); }
.tier--model .tier__icon i,
.tier--model .tier__label { color: var(--color-white); }
.tier--model .tier__desc { color: var(--color-white); opacity: 0.85; }
.tier--model .tier__num { color: var(--color-white); opacity: 0.5; }

.tier--data {
  background: var(--color-blue-pale);
}

.tier--data .tier__icon { background: var(--color-white); }
.tier--data .tier__icon i,
.tier--data .tier__label { color: var(--color-navy); }
.tier--data .tier__desc { color: var(--color-gray-600); }
.tier--data .tier__num { color: var(--color-navy); opacity: 0.4; }

/* ===== How It Works ===== */
.how-it-works {
  padding: var(--section-py) var(--section-px);
  background: var(--color-white);
}

.how-it-works .divider--section {
  margin: var(--space-md) 0 30px;
}

.pipeline {
  position: relative;
  padding: 0 var(--space-xs);
}

.pipeline__line {
  position: absolute;
  top: 22px;
  left: var(--space-2xl);
  right: var(--space-2xl);
  height: 1px;
  background: var(--color-blue-pale);
}

.pipeline__steps {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: var(--space-xs);
  position: relative;
}

.pipeline-step {
  text-align: center;
}

.pipeline-step__circle {
  width: 44px;
  height: 44px;
  background: var(--color-navy);
  border-radius: 50%;
  margin: 0 auto var(--space-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.pipeline-step__circle i {
  font-size: 18px;
  color: var(--color-white);
}

.pipeline-step__badge {
  position: absolute;
  top: -4px;
  right: -4px;
  background: var(--color-orange);
  color: var(--color-white);
  font-size: 9px;
  font-weight: 500;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.pipeline-step__title {
  margin: 0;
  font-size: 11px;
  color: var(--color-navy);
  font-weight: 500;
}

.pipeline-step__desc {
  margin: 2px 0 0;
  font-size: 9px;
  color: var(--color-gray-600);
  line-height: 1.3;
}

/* ===== Use Cases (Legacy — kept for compatibility) ===== */
.use-cases {
  padding: var(--section-py) var(--section-px);
  background: var(--color-gray-50);
}

.use-cases__grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 14px;
}

.use-case-card {
  background: var(--color-white);
  border: 0.5px solid var(--color-gray-300);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.use-case-card__bar {
  height: 4px;
  background: var(--color-orange);
}

.use-case-card__body {
  padding: var(--space-lg);
}

.use-case-card__num {
  margin: 0 0 var(--space-xs);
  font-size: 9px;
  color: var(--color-gray-600);
  letter-spacing: 1.5px;
}

.use-case-card__title {
  margin: 0 0 14px;
  font-size: 13px;
  color: var(--color-navy);
  font-weight: 500;
}

.use-case-card__stat {
  font-family: var(--font-heading);
  font-size: 32px;
  font-weight: 500;
  color: var(--color-navy);
  margin: 0;
  line-height: 1;
}

.use-case-card:nth-child(3) .use-case-card__stat {
  font-size: 30px;
}

.use-case-card__desc {
  margin: 4px 0 0;
  font-size: 10px;
  color: var(--color-gray-600);
  line-height: 1.4;
}

/* ===== Case Study Flip Cards ===== */
.case-studies {
  padding: var(--section-py) var(--section-px);
  background: var(--color-gray-50);
}

.case-studies__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  max-width: 1180px;
  margin: 0 auto;
  perspective: 2000px;
}

/* Card container */
.case-card {
  perspective: 1200px;
  height: 540px;
  cursor: pointer;
}

.case-card:hover .case-card__inner:not(.is-flipped) {
  transform: translateY(-4px);
}

.case-card:hover .case-card__shadow {
  opacity: 0.18;
}

.case-card__shadow {
  position: absolute;
  inset: 0;
  border-radius: 12px;
  box-shadow: 0 4px 32px rgba(0,0,0,0.10);
  opacity: 0.06;
  transition: opacity 0.3s ease;
  pointer-events: none;
  z-index: 0;
}

/* Inner flip container */
.case-card__inner {
  position: relative;
  width: 100%;
  height: 100%;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  transform-style: preserve-3d;
  z-index: 1;
}

.case-card__inner.is-flipped {
  transform: rotateY(180deg);
}

/* Front & Back faces */
.case-card__front,
.case-card__back {
  position: absolute;
  inset: 0;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  border-radius: 12px;
  overflow: hidden;
  border: 0.5px solid var(--color-gray-300);
  background: var(--color-white);
  display: flex;
  flex-direction: column;
}

.case-card__back {
  transform: rotateY(180deg);
}

/* Accent bar */
.case-card__accent {
  height: 4px;
  background: #C46A3A;
  flex-shrink: 0;
}

/* Front content */
.case-card__body {
  padding: 28px 28px 0;
  flex-shrink: 0;
}

.case-card__num {
  margin: 0 0 8px;
  font-family: 'Inter', sans-serif;
  font-size: 10.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: #E36A2E;
}

.case-card__title {
  margin: 0 0 20px;
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-size: 23px;
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: #0B1B33;
}

.case-card__stat {
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-size: 40px;
  font-weight: 600;
  color: #0B1B33;
  margin: 0;
  line-height: 1;
}

.case-card__desc {
  margin: 6px 0 0;
  font-family: 'Inter', sans-serif;
  font-size: 13.5px;
  font-weight: 400;
  color: #475569;
  line-height: 1.55;
}

/* Front image area */
.case-card__image {
  flex: 1;
  position: relative;
  margin-top: 20px;
  overflow: hidden;
}

.case-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: opacity 0.3s ease;
}

.case-card__image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(255,255,255,1) 0%, rgba(255,255,255,0.65) 35%, rgba(255,255,255,0.10) 100%);
}

.case-card:hover .case-card__image img {
  opacity: 0.92;
}

.case-card:hover .case-card__image::after {
  background: linear-gradient(to bottom, rgba(255,255,255,1) 0%, rgba(255,255,255,0.50) 35%, rgba(255,255,255,0.06) 100%);
}

/* Flip hint */
.case-card__hint {
  position: absolute;
  bottom: 14px;
  right: 20px;
  font-family: 'Inter', sans-serif;
  font-size: 11px;
  font-weight: 500;
  color: #64748B;
  display: flex;
  align-items: center;
  gap: 4px;
  opacity: 0;
  transition: opacity 0.3s ease;
  z-index: 2;
}

.case-card:hover .case-card__hint {
  opacity: 1;
}

/* Back face content */
.case-card__back-content {
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  flex: 1;
  overflow-y: auto;
}

.case-card__back-label {
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-size: 22px;
  font-weight: 600;
  color: #0B1B33;
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin: 0 0 2px;
}

.case-card__back-section h4 {
  font-family: 'Inter', sans-serif;
  font-size: 10.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: #E36A2E;
  margin: 0 0 5px;
}

.case-card__back-section p {
  margin: 0;
  font-family: 'Inter', sans-serif;
  font-size: 13.5px;
  font-weight: 400;
  color: #334155;
  line-height: 1.6;
}

/* Back CTA */
.case-card__back-cta {
  margin-top: auto;
  padding-top: 14px;
  font-family: 'Inter', sans-serif;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-navy);
  display: flex;
  align-items: center;
  gap: 5px;
  border-top: 0.5px solid var(--color-gray-200);
  transition: color 0.15s;
}

.case-card__back-cta:hover {
  color: var(--color-copper);
}

/* Back image texture */
.case-card__back-image {
  position: absolute;
  inset: 0;
  opacity: 0.035;
  z-index: 0;
  pointer-events: none;
}

.case-card__back-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.case-card__back > *:not(.case-card__back-image) {
  position: relative;
  z-index: 1;
}

/* Mobile: tap-to-expand (no flip) */
@media (max-width: 768px) {
  .case-card {
    height: auto;
    min-height: 200px;
    perspective: none;
  }

  .case-card__inner {
    transition: none;
    transform-style: flat;
  }

  .case-card__inner.is-flipped {
    transform: none;
  }

  .case-card__front,
  .case-card__back {
    position: relative;
    backface-visibility: visible;
    -webkit-backface-visibility: visible;
    border-radius: 0;
  }

  .case-card__back {
    transform: none;
    display: none;
    border-top: 0.5px solid var(--color-gray-200);
    border-radius: 0 0 12px 12px;
  }

  .case-card__back.is-visible {
    display: flex;
  }

  .case-card__image {
    height: 180px;
    flex: none;
  }

  .case-card__body {
    padding: 22px 22px 0;
  }

  .case-card__back-content {
    padding: 22px;
    gap: 16px;
  }
}

/* Tablet */
@media (max-width: 1024px) {
  .case-studies__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }

  .case-card {
    height: 500px;
  }
}

/* Mobile */
@media (max-width: 768px) {
  .case-studies__grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
}

/* ===== Pillars ===== */
.pillars {
  padding: var(--section-py-sm) var(--section-px);
  background: var(--color-white);
}

.pillars__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
}

.pillar__icon {
  font-size: 22px;
  color: var(--color-copper);
  margin-bottom: var(--space-sm);
  display: inline-block;
}

.pillar__label {
  margin: var(--space-xs) 0 var(--space-xs);
  font-size: 11px;
  color: var(--color-navy);
  font-weight: 500;
  letter-spacing: 1.5px;
}

.pillar__desc {
  margin: 0;
  font-size: 11px;
  color: var(--color-gray-600);
  line-height: 1.5;
}

/* ===== CTA ===== */
.cta {
  padding: var(--section-py) var(--section-px);
  background: var(--color-navy);
  position: relative;
  overflow: hidden;
}

.cta__decor {
  position: absolute;
  top: 0;
  right: 0;
  width: 220px;
  height: 100%;
  opacity: 0.08;
}

.cta__content {
  max-width: 460px;
  position: relative;
}

.cta__overline {
  font-size: 11px;
  color: var(--color-orange);
  letter-spacing: 2px;
  margin: 0 0 14px;
}

.cta__heading {
  font-family: var(--font-heading);
  font-size: 32px;
  font-weight: 500;
  line-height: 1.15;
  color: var(--color-white);
  margin: 0 0 14px;
}

.cta__body {
  font-size: 13px;
  color: var(--color-cta-text);
  line-height: 1.65;
  margin: 0 0 22px;
}

.cta__buttons {
  display: flex;
  gap: 10px;
}

/* ===== Footer ===== */
.footer {
  background: var(--color-footer-bg);
  padding: 36px var(--section-px) 22px;
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr 1fr;
  gap: 18px;
  margin-bottom: var(--space-2xl);
}

.footer__logo {
  font-family: var(--font-heading);
  font-size: 17px;
  font-weight: 500;
  margin-bottom: 10px;
}

.footer__logo-light { color: var(--color-white); }
.footer__logo-blue  { color: var(--color-ink); }

.footer__tagline {
  margin: 0;
  font-size: 11px;
  color: var(--color-gray-500);
  line-height: 1.5;
}

.footer__heading {
  margin: 0 0 10px;
  font-size: 10px;
  color: var(--color-white);
  font-weight: 500;
  letter-spacing: 1.5px;
}

.footer__col p {
  margin: 0 0 6px;
  font-size: 11px;
  color: var(--color-gray-500);
}

.footer__col a {
  color: var(--color-gray-500);
  transition: color 0.15s;
}

.footer__col a:hover {
  color: var(--color-white);
}

.footer__bottom {
  border-top: 0.5px solid rgba(255,255,255,0.1);
  padding-top: var(--space-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 10px;
  color: var(--color-gray-600);
}

.footer__legal {
  display: flex;
  gap: 14px;
}

.footer__legal a {
  color: var(--color-gray-600);
}

.footer__legal a:hover {
  color: var(--color-gray-500);
}

/* ===== Capability Strip (Home) ===== */
.capability-strip {
  padding: 40px var(--section-px);
  background: var(--color-white);
  border-top: 0.5px solid var(--color-gray-200);
}

.capability-strip__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 760px;
  margin: 0 auto;
}

.capability-item {
  text-align: center;
}

.capability-item__stat {
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-size: 30px;
  font-weight: 600;
  color: #0B1B33;
  margin: 0;
  line-height: 1;
}

.capability-item__label {
  margin: 6px 0 0;
  font-family: 'Inter', sans-serif;
  font-size: 12px;
  font-weight: 500;
  color: #475569;
  line-height: 1.4;
}

/* ===== Dark Section ===== */
.section-dark {
  background: #0A2540;
  color: var(--color-white);
}

.section-dark .overline {
  color: var(--color-orange);
}

.section-dark .section-heading {
  color: var(--color-white);
}

.section-dark .stack__body,
.section-dark .stack__chain {
  color: #B5D4F4;
}

.section-dark .stack__chain-highlight {
  color: var(--color-copper);
}

.section-dark .stack__chain-bold {
  color: var(--color-white);
}

.section-dark .stack__arrow {
  color: rgba(255,255,255,0.3);
}

/* Dark tiers */
.tier--on-dark {
  border: 0.5px solid rgba(255,255,255,0.1);
}

.tier--on-dark .tier__label {
  color: var(--color-white);
}

.tier--on-dark .tier__desc {
  color: rgba(255,255,255,0.6);
}

.tier--on-dark .tier__num {
  color: rgba(255,255,255,0.3);
}

.tier--on-dark .tier__icon {
  background: rgba(255,255,255,0.1);
}

.tier--on-dark .tier__icon i {
  color: var(--color-white);
}

/* Reduced image overlay for better visibility */
.case-card__image::after {
  background: linear-gradient(to bottom, rgba(255,255,255,0.7) 0%, rgba(255,255,255,0.25) 35%, rgba(255,255,255,0) 100%);
}

.case-card:hover .case-card__image::after {
  background: linear-gradient(to bottom, rgba(255,255,255,0.5) 0%, rgba(255,255,255,0.12) 35%, rgba(255,255,255,0) 100%);
}

/* ===== Manifesto Block (About) ===== */
.manifesto {
  padding: 48px var(--section-px);
  background: #0A2540;
}

.manifesto__text {
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-size: 20px;
  font-weight: 500;
  line-height: 1.5;
  color: #EAF2FF;
  max-width: 680px;
  margin: 0 auto;
  text-align: center;
}

.manifesto__overline {
  text-align: center;
  margin-bottom: 16px;
}

/* ===== Dark Value Cards (About) ===== */
.values-dark {
  padding: var(--section-py) var(--section-px);
  background: var(--color-white);
}

.values-dark__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.value-card {
  background: #0A2540;
  border-radius: 10px;
  padding: 24px;
  text-align: center;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.value-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(7,26,47,0.25);
}

.value-card__icon {
  font-size: 26px;
  color: var(--color-orange);
  margin-bottom: 12px;
  display: inline-block;
}

.value-card__label {
  margin: 0 0 6px;
  font-family: 'Inter', sans-serif;
  font-size: 10.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--color-orange);
}

.value-card__desc {
  margin: 0;
  font-family: 'Inter', sans-serif;
  font-size: 13px;
  color: #B5D4F4;
  line-height: 1.5;
}

/* ===== Responsive ===== */

/* Tablet */
@media (max-width: 1024px) {
  .values-dark__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .case-card--featured .case-card__front,
  .case-card--featured .case-card__back {
    flex-direction: column;
  }

  .case-card--featured .case-card__image {
    min-height: 200px;
  }

  .case-card--featured .case-card__body {
    position: relative;
    width: 100%;
    padding: 24px;
  }

  .case-card--featured .case-card__image::after {
    background: linear-gradient(to bottom, rgba(255,255,255,0.85) 0%, rgba(255,255,255,0.4) 40%, rgba(255,255,255,0.05) 100%);
  }

}

/* Tablet */
@media (max-width: 1024px) {
  .hero {
    grid-template-columns: 1fr 1fr;
  }

  .hero__heading {
    font-size: 30px;
  }

  .page-header__heading {
    font-size: 28px;
  }

  .section-heading {
    font-size: 24px;
  }

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

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

/* Mobile */
@media (max-width: 768px) {
  :root {
    --section-px: 16px;
    --section-py: 40px;
    --section-py-sm: 36px;
  }

  /* Nav */
  .nav__links,
  .nav__actions {
    display: none;
  }

  .nav__toggle {
    display: block;
  }

  .nav--open .nav__links,
  .nav--open .nav__actions {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-white);
    padding: var(--space-lg) var(--section-px);
    border-bottom: 0.5px solid var(--color-gray-200);
    z-index: 10;
  }

  .nav--open .nav__links {
    gap: var(--space-md);
  }

  .nav--open .nav__actions {
    padding-top: var(--space-md);
    border-top: 0.5px solid var(--color-gray-200);
  }

  .nav {
    position: relative;
  }

  /* Hero */
  .hero {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
    padding-top: var(--space-2xl);
    padding-bottom: var(--space-2xl);
  }

  .hero__visual {
    height: 240px;
    order: -1;
  }

  .hero__heading {
    font-size: 28px;
  }

  .page-header__heading {
    font-size: 24px;
  }

  .hero__ctas {
    flex-direction: column;
  }

  /* Section heading */
  .section-heading {
    font-size: 22px;
  }

  /* Problem */
  .problem__grid {
    grid-template-columns: 1fr;
  }

  /* Stack */
  .stack__grid {
    grid-template-columns: 1fr;
  }

  /* Pipeline */
  .pipeline__line {
    display: none;
  }

  .pipeline__steps {
    grid-template-columns: repeat(3, 1fr);
    row-gap: var(--space-lg);
  }

  /* Use cases */
  .use-cases__grid {
    grid-template-columns: 1fr;
  }

  /* Pillars */
  .pillars__grid {
    grid-template-columns: 1fr 1fr;
  }

  /* CTA */
  .cta__heading {
    font-size: 26px;
  }

  .cta__buttons {
    flex-direction: column;
  }

  /* Footer */
  .footer__grid {
    grid-template-columns: 1fr 1fr;
    row-gap: var(--space-xl);
  }
}

/* Small mobile */
@media (max-width: 480px) {
  .pipeline__steps {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

  .footer__bottom {
    flex-direction: column;
    gap: var(--space-sm);
  }

  .hero__heading {
    font-size: 24px;
  }

  .section-heading {
    font-size: 20px;
  }

  .trust-strip__logos {
    flex-wrap: wrap;
    gap: var(--space-md);
  }
}