/* ============================================
   Ira Meleshev — Portfolio
   Shared styles. Mobile-first.
   ============================================ */

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

:root {
  --color-bg-1: #E7F6FF;
  --color-bg-2: #E0EBFF;
  --color-bg-3: #E1E1FF;
  --color-bg-4: #FFF9D0;
  --color-bg-5: #FFE7D5;

  --color-ink: #24232b;
  --color-ink-soft: #56545f;
  --color-ink-faint: #86838f;

  --color-surface: rgba(255, 255, 255, 0.72);
  --color-surface-solid: #ffffff;
  --color-border: rgba(36, 35, 43, 0.1);
  --color-border-soft: rgba(36, 35, 43, 0.07);
  --color-accent: #294ab0;
  --color-accent-start: #172554;
  --accent-gradient: linear-gradient(135deg, #172554 0%, #2563EB 100%);

  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;

  --container: 860px;
  --container-wide: 1280px;
  --nav-h: 72px;

  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2.5rem;
  --space-5: 4rem;
  --space-6: 6rem;

  font-size: 16px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  min-height: 100vh;
  font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  color: var(--color-ink);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  position: relative;
}

/* ---------- Animated shimmer background (soft bokeh drift) ---------- */

.gradient-bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  background: var(--color-surface-solid);
}

.gradient-bg::before,
.gradient-bg::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  will-change: transform;
}

/* blue + lavender cluster — right side, upper-to-mid */
.gradient-bg::before {
  top: -10%;
  right: -8%;
  width: 68vmax;
  height: 78vmax;
  filter: blur(42px);
  background:
    radial-gradient(circle at 58% 26%, var(--color-bg-1) 0%, transparent 38%),
    radial-gradient(circle at 44% 60%, var(--color-bg-3) 0%, transparent 36%);
  opacity: 1;
  animation: shimmer-drift-1 26s ease-in-out infinite alternate;
}

/* peach circle — bottom right corner */
.gradient-bg::after {
  bottom: -14%;
  right: -6%;
  width: 38vmax;
  height: 38vmax;
  filter: blur(38px);
  background: radial-gradient(circle at center, var(--color-bg-5) 0%, transparent 52%);
  opacity: 1;
  animation: shimmer-drift-2 32s ease-in-out infinite alternate;
}

@keyframes shimmer-drift-1 {
  0%   { transform: translate(0, 0) scale(1); }
  50%  { transform: translate(-4%, 5%) scale(1.08); }
  100% { transform: translate(3%, -3%) scale(1.02); }
}

@keyframes shimmer-drift-2 {
  0%   { transform: translate(0, 0) scale(1); }
  50%  { transform: translate(5%, -4%) scale(1.1); }
  100% { transform: translate(-3%, 3%) scale(1.03); }
}

/* mouse-following shimmer circle */
.gradient-mouse {
  position: absolute;
  width: 34vmax;
  height: 34vmax;
  border-radius: 50%;
  filter: blur(48px);
  background: radial-gradient(circle at center, var(--color-bg-2) 0%, transparent 55%);
  opacity: 0.75;
  pointer-events: none;
  left: 0;
  top: 0;
  will-change: transform;
}

@media (prefers-reduced-motion: reduce) {
  .gradient-bg::before,
  .gradient-bg::after {
    animation: none;
  }
  .gradient-mouse {
    display: none;
  }
}

/* ---------- Layout helpers ---------- */

.wrap {
  width: min(980px, calc(100% - 40px));
  margin: 0 auto;
}

.wrap-wide {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
}

/* ---------- Header / nav ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 500;
  background: rgba(255, 255, 255, 0.78);
  border-bottom: 1px solid var(--color-border-soft);
  -webkit-backdrop-filter: blur(20px);
  backdrop-filter: blur(20px);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-2);
  min-height: var(--nav-h);
  padding: var(--space-1) var(--space-2);
}

.nav-brand {
  font-family: 'Sora', sans-serif;
  font-weight: 800;
  font-size: 1.15rem;
  color: var(--color-ink);
  text-decoration: none;
  letter-spacing: -0.03em;
}

.nav-brand .logo-dot {
  color: var(--color-accent);
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  display: inline-block;
  color: var(--color-ink-soft);
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 500;
  padding: 0.45rem 0.9rem;
  border-radius: 100px;
  transition: color 0.15s ease, background 0.15s ease;
}

.nav-links a:hover {
  color: var(--color-ink);
  background: rgba(36, 35, 43, 0.05);
}

.nav-links a[aria-current="page"] {
  color: var(--color-ink);
  background: rgba(36, 35, 43, 0.07);
  font-weight: 600;
}

.nav-links a.nav-resume {
  margin-left: 0.25rem;
  color: var(--color-ink);
  box-shadow: inset 0 0 0 1px var(--color-border);
}

.nav-links a.nav-resume:hover {
  background: rgba(36, 35, 43, 0.05);
  box-shadow: inset 0 0 0 1px rgba(36, 35, 43, 0.2);
}

/* Mobile: keep the brand and all nav links on one line */
@media (max-width: 639px) {
  .nav {
    flex-wrap: nowrap;
    gap: var(--space-1);
    padding-inline: 0;
  }

  .nav-links {
    flex-wrap: nowrap;
    gap: 0;
  }

  .nav-links a {
    padding: 0.4rem 0.55rem;
    font-size: 0.8rem;
  }

  .nav-links a.nav-resume {
    margin-left: 0.15rem;
  }
}

/* Very narrow phones: drop Resume from the nav (it's in the footer and on Contact) */
@media (max-width: 389px) {
  .nav-links a.nav-resume {
    display: none;
  }
}

/* ---------- Typography ---------- */

h1, h2, h3, h4 {
  font-family: 'Sora', sans-serif;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-ink);
  margin: 0 0 var(--space-2);
}

h1 {
  font-weight: 800;
  font-size: clamp(2.1rem, 6vw, 3.4rem);
  line-height: 1.08;
  letter-spacing: -0.03em;
}

h2 {
  font-size: clamp(1.35rem, 3.2vw, 1.75rem);
  line-height: 1.25;
  margin-top: var(--space-3);
}

h3 {
  font-size: 1.1rem;
  margin-top: var(--space-3);
}

.phase-title {
  margin-top: var(--space-5);
}

.phase-sep {
  color: var(--color-accent);
     font-weight: 800;
    font-size: 1.4rem;
    margin: 0 8px;
}

p {
  margin: 0 0 var(--space-2);
  color: var(--color-ink-soft);
}

.lead {
  font-size: 1.15rem;
  color: var(--color-ink-soft);
}

strong {
  color: var(--color-ink);
  font-weight: 600;
}

a {
  color: var(--color-accent);
}

ul, ol {
  color: var(--color-ink-soft);
  padding-left: 1.3em;
  margin: 0 0 var(--space-2);
}

li {
  margin-bottom: 0.4em;
}

hr {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: var(--space-4) 0;
}

/* ---------- One-page section anchors ---------- */

section[id] {
  scroll-margin-top: var(--nav-h);
}

#work {
  padding: 72px 0;
}

.section-title {
  font-size: clamp(1.6rem, 4vw, 2.2rem);
  margin-top: var(--space-2);
  margin-bottom: var(--space-2);
}

.section-lead {
  font-size: 1.1rem;
  color: var(--color-ink-soft);
  max-width: 60ch;
  margin-bottom: var(--space-4);
}

/* ---------- Centered hero layout ---------- */

.hero-center-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.hero-center-wrap .hero-photo-wrap {
  max-width: 200px;
  margin-bottom: var(--space-3);
}

.hero-title-centered {
  font-family: 'Sora', sans-serif;
  font-weight: 800;
  font-size: clamp(1.5rem, 5vw, 2.8rem);
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin: 0 0 var(--space-2);
  color: var(--color-ink);
  text-wrap: balance;
}

.hero-p-centered {
  max-width: 52ch;
  font-size: 1.1rem;
  color: var(--color-ink-soft);
  margin-bottom: var(--space-3);
}

.hero-center-wrap .hero-actions {
  justify-content: center;
}

/* ---------- Hero ---------- */

.hero {
  min-height: calc(100vh - var(--nav-h));
  display: flex;
  align-items: center;
  padding: var(--space-4) 0;
  text-align: left;
}

@media (min-width: 640px) {
  .hero {
    padding: 80px 0 60px;
  }
}

.hero h1 {
  max-width: 16ch;
}

.hero p {
  max-width: 70ch;
  font-size: 1.15rem;
}

.grad-text {
  background: linear-gradient(135deg, var(--color-accent), #5a8ef2);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: var(--space-3);
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.65);
  color: var(--color-ink);
  border: 1.5px solid var(--color-border);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}

.btn-ghost:hover {
  padding-left: 2.1rem;
  padding-right: 2.1rem;
  background: rgba(255, 255, 255, 0.9);
}

/* ---------- Hero photo column ---------- */

.hero-photo-wrap {
  position: relative;
  width: 100%;
  max-width: 280px;
  aspect-ratio: 4 / 5;
  margin: 0 auto;
}

/* Small decorative circle — near top of big circle */
.hero-dot-sm {
  position: absolute;
  width: 38%;
  aspect-ratio: 1;
  top: 18%;
  left: 2%;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-bg-5), var(--color-bg-4));
  opacity: 0.22;
  animation: heroFloat 6s ease-in-out 2s infinite;
  z-index: 0;
}

/* Large circle = photo frame — bottom */
.hero-photo-frame {
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 88%;
  aspect-ratio: 1;
  border-radius: 50%;
  overflow: hidden;
  background: linear-gradient(135deg,
    rgba(225, 225, 255, 0.35),
    rgba(224, 235, 255, 0.35),
    rgba(231, 246, 255, 0.35));
  animation: heroFrameFloat 6s ease-in-out infinite;
  z-index: 1;
}

.hero-photo-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  display: block;
}

/* Floating badges */
.photo-badge {
  position: absolute;
  z-index: 3;
  padding: 8px 14px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.88);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.95);
  box-shadow: 0 4px 20px rgba(41, 74, 176, 0.12);
  font-family: 'Sora', sans-serif;
}

.photo-badge.bottom-left {
  bottom: 6%;
  left: -6%;
  animation: badgeFloat 4s ease-in-out infinite;
}

.photo-badge.top-right {
  top: 28%;
  right: -8%;
  animation: badgeFloat 4s ease-in-out 2s infinite;
}

.pb-num {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-ink);
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.pb-label {
  font-size: 0.72rem;
  color: var(--color-ink-faint);
  font-weight: 500;
  line-height: 1.3;
}

@keyframes heroFloat {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-3px); }
}

@keyframes heroFrameFloat {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50%       { transform: translateX(-50%) translateY(-3px); }
}

@keyframes badgeFloat {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-7px); }
}

@media (prefers-reduced-motion: reduce) {
  .hero-dot-sm,
  .hero-photo-frame,
  .photo-badge { animation: none; }
}

/* ---------- Split layout (text left / visual right) ---------- */

.split-hero {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
  align-items: center;
}

.split-visual .img-placeholder {
  margin: 0;
  height: 100%;
  min-height: 220px;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-ink-faint);
  text-decoration: none;
  margin-bottom: var(--space-3);
}

.back-link:hover {
  color: var(--color-ink);
}

.case-topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
}

.case-topbar .back-link {
  margin-bottom: 0;
}

/* ---------- "More case studies" cards at the end of each case ---------- */

.more-cases {
  padding: 0 0 var(--space-2);
}

.more-cases-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-2);
}

.more-case {
  display: grid;
  grid-template-columns: 120px minmax(0, 1fr);
  align-items: center;
  gap: var(--space-2);
  padding: 10px 14px 10px 10px;
  background: var(--color-surface);
  border: 1px solid var(--color-border-soft);
  border-radius: var(--radius-md);
  color: inherit;
  text-decoration: none;
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

.more-case:hover {
  transform: translateY(-2px);
  border-color: var(--color-border);
  box-shadow: 0 12px 28px -20px rgba(36, 35, 43, 0.35);
}

.more-case:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.more-case-img {
  width: 120px;
  height: 80px;
  overflow: hidden;
  border-radius: 8px;
  background: #f3f3f5;
}

.more-case-img img {
  display: block;
  width: 120px;
  height: 80px;
}

.more-case-body {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.more-case-eyebrow {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.more-case h3 {
  margin: 2px 0 2px;
  font-size: 0.95rem;
  line-height: 1.3;
}

.more-case p {
  margin: 0;
  font-size: 0.8rem;
  line-height: 1.45;
  color: var(--color-ink-soft);
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.more-case-link {
  margin-top: 4px;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--color-ink);
}

.more-case:hover .more-case-link {
  color: var(--color-accent);
}

@media (min-width: 640px) {
  .more-cases-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* ---------- Floating "back to top" button (case studies) ---------- */

.to-top {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  padding: 0;
  border: 1px solid var(--color-border);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.85);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  color: var(--color-ink-soft);
  box-shadow: 0 4px 14px rgba(36, 35, 43, 0.08);
  cursor: pointer;
  opacity: 0;
  transform: translateY(8px);
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease, color 0.15s ease, border-color 0.15s ease;
}

.to-top.is-visible {
  opacity: 1;
  transform: none;
  pointer-events: auto;
}

.to-top:hover {
  color: var(--color-accent);
  border-color: rgba(41, 74, 176, 0.4);
}

.to-top:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

@media (max-width: 639px) {
  .to-top {
    right: 16px;
    bottom: 16px;
  }
}

/* ---------- Section header row (heading + "see all" link) ---------- */

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  flex-wrap: wrap;
  gap: var(--space-1);
  margin: var(--space-5) 0 var(--space-3);
}

.section-head h2 {
  margin: 0;
}

.section-link {
  font-family: 'Sora', sans-serif;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-accent);
  text-decoration: none;
  white-space: nowrap;
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  width: fit-content;
  padding: 0.75rem 1.5rem;
  border-radius: 100px;
  font-size: 0.85rem;
  font-weight: 600;
  text-decoration: none;
  transition: padding 0.22s ease, background 0.18s ease;
}

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

.btn-dark:hover {
  padding-left: 2.1rem;
  padding-right: 2.1rem;
}

/* ---------- Cards (case study previews) ---------- */

.card-eyebrow {
  display: inline-block;
  font-family: 'Sora', sans-serif;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-1);
}

/* ---------- Case preview cards (index + work hub) ---------- */

.case-card {
  display: grid;
  grid-template-columns: 1fr;
  overflow: hidden;
  background: var(--color-surface);
  border: 1px solid var(--color-border-soft);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-3);
  text-decoration: none;
  color: inherit;
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

a.case-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 34px -20px rgba(36, 35, 43, 0.35);
  border-color: var(--color-border);
}

.case-card-text {
  padding: var(--space-3);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.2rem;
}

@media (min-width: 640px) {
  .case-card-text {
    padding: var(--space-4);
  }
}

.case-card-visual {
  padding: 0 var(--space-3) var(--space-3);
}

.case-card-visual .img-placeholder {
  margin: 0;
  height: 100%;
  min-height: 200px;
}

.case-card-img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 200px;
  object-fit: cover;
  object-position: center;
  border-radius: var(--radius-md);
}

.case-num {
  display: block;
  font-family: 'Sora', sans-serif;
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--color-ink);
  opacity: 0.1;
  line-height: 1;
  margin-bottom: -0.4rem;
}

.case-card h3 {
  margin-top: 0;
  font-size: 1.3rem;
}

.case-card p {
  margin-bottom: var(--space-1);
}

.case-arrow {
  display: inline-block;
  margin-top: var(--space-1);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-ink);
}

.case-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: var(--space-1) 0 var(--space-3);
}

.chip {
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--color-ink-soft);
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid var(--color-border);
  border-radius: 100px;
  padding: 0.3rem 0.75rem;
}

/* ---------- Case study page elements ---------- */

.case-hero {
  padding: var(--space-4) 0 0;
}

.case-hero-img-full {
  margin-top: var(--space-4);
  width: min(980px, calc(100% - 40px));
  margin-inline: auto;
  overflow: hidden;
}

.case-hero-img-full img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ── Case study chips in hero ── */
.cs-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: var(--space-3);
}

/* ── 3-column meta row ── */
.cs-meta-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-2) var(--space-3);
  margin: var(--space-3) 0;
  padding: var(--space-3) 0;
  border-top: 1px solid var(--color-border-soft);
  border-bottom: 1px solid var(--color-border-soft);
}

.cs-meta-row--even {
  grid-template-columns: repeat(3, auto);
  justify-content: space-between;
}

.cs-meta-label {
  display: block;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-ink-faint);
  margin-bottom: var(--space-1);
}

.cs-meta-value {
  display: block;
  font-size: 0.95rem;
  font-weight: 500;
  line-height: 1.4;
  color: var(--color-ink);
}

/* ── Stats section label ── */
.cs-impact-label {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-ink-faint);
  margin: 0 0 var(--space-2);
}

/* ── Case study body wrapper ── */
.cs-body {
  padding: var(--space-5) 0;
}

/* ── Numbered content sections ── */
.cs-section {
  padding: var(--space-4) 0;
  border-top: 1px solid var(--color-border-soft);
}

.cs-section:first-child {
  border-top: none;
}

.cs-section-label {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  margin-bottom: var(--space-2);
}

.cs-num {
  font-family: 'Sora', sans-serif;
  font-size: 0.85rem;
  font-weight: 800;
  color: var(--color-ink-faint);
}

.cs-eyebrow {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent);
}

.case-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1) var(--space-3);
  font-size: 0.9rem;
  color: var(--color-ink-faint);
  margin: var(--space-2) 0 var(--space-4);
}

.case-meta strong {
  color: var(--color-ink-soft);
  font-weight: 600;
}

/* ── Tension split: two user needs ── */

.needs-split {
  display: grid;
  grid-template-columns: 1fr;
  margin: var(--space-3) 0 var(--space-4);
  background: var(--color-surface-solid);
  border: 1px solid var(--color-border-soft);
  border-radius: var(--radius-md);
  overflow: hidden;
}

@media (min-width: 640px) {
  .needs-split {
    grid-template-columns: 1fr 1px 1fr;
  }
}

.needs-split-divider {
  background: var(--color-border-soft);
  height: 1px;
}

@media (min-width: 640px) {
  .needs-split-divider {
    height: auto;
    align-self: stretch;
  }
}

.needs-side {
  padding: var(--space-3) var(--space-3) calc(var(--space-3) + 4px);
}

.needs-side--highlight {
  background: rgba(41, 74, 176, 0.07);
}

.needs-side-label {
  display: block;
  font-family: 'Sora', sans-serif;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: var(--space-2);
}

.needs-side--highlight .needs-side-label {
  color: var(--color-accent);
}

.needs-side-title {
  font-family: 'Sora', sans-serif;
  font-size: 0.95rem;
  line-height: 1.3;
  margin: 0 0 var(--space-1);
}

.needs-side--highlight .needs-side-title {
  font-weight: 700;
  color: var(--color-ink);
}

.needs-side-body {
  font-size: 0.88rem;
  line-height: 1.55;
  margin: 0;
}

.needs-side--highlight .needs-side-body {
  color: var(--color-ink-soft);
}

/* ── Stat grid ── */

.stat-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-2);
  margin: var(--space-4) 0;
}

.stat {
  padding: 6px 0 24px;
  text-align: left;
}

.stat::before {
  content: '';
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-accent);
  margin-bottom: 14px;
}

.stat-number {
  display: block;
  font-family: 'Sora', sans-serif;
  font-size: 4.25rem;
  font-weight: 800;
  color: var(--color-ink);
  letter-spacing: -0.045em;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.result-stat {
  display: inline-block;
  margin-right: 0.2em;
}

.proud-list {
  margin-top: var(--space-3);
}

.proud-item {
  display: grid;
  grid-template-columns: 3px 1fr;
  gap: var(--space-3);
  padding: var(--space-2) 0;
  border-bottom: 1px solid var(--color-border-soft);
  align-items: start;
}

.proud-item:first-child {
  border-top: 1px solid var(--color-border-soft);
}

.proud-stripe {
  width: 3px;
  align-self: stretch;
  background: var(--color-accent);
  border-radius: 2px;
  min-height: 100%;
}

.proud-content strong {
  display: block;
  font-family: 'Sora', sans-serif;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-ink);
  margin-bottom: 6px;
  line-height: 1.3;
}

.proud-content p {
  font-size: 0.86rem;
  color: var(--color-ink-soft);
  margin: 0;
  line-height: 1.55;
}

.proud-content .proud-text {
  font-size: 0.95rem;
  color: var(--color-ink);
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: var(--space-2);
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(41, 74, 176, 0.08);
  color: var(--color-accent);
  font-family: 'Sora', sans-serif;
  font-size: 0.75rem;
  font-weight: 600;
}

.status-badge::before {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-accent);
}

.stat-label {
  display: block;
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--color-ink-faint);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-top: 9px;
}

.content-section {
  margin-bottom: var(--space-4);
}

/* ── Contact page ── */

.contact-list {
  list-style: none;
  padding: 0;
  margin: var(--space-4) 0;
  max-width: 640px;
  border-top: 1px solid var(--color-border-soft);
}

.contact-list li {
  margin: 0;
  border-bottom: 1px solid var(--color-border-soft);
}

.contact-item {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: baseline;
  gap: 4px var(--space-2);
  padding: var(--space-2) 0;
  color: inherit;
  text-decoration: none;
}

.contact-label {
  grid-column: 1 / -1;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-ink-faint);
}

.contact-value {
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-ink);
  overflow-wrap: anywhere;
  transition: color 0.15s ease;
}

.contact-arrow {
  color: var(--color-ink-faint);
  transition: color 0.15s ease, transform 0.15s ease;
}

.contact-item:hover .contact-value,
.contact-item:hover .contact-arrow {
  color: var(--color-accent);
}

.contact-item:hover .contact-arrow {
  transform: translateX(3px);
}

.availability {
  margin-bottom: var(--space-5);
}

.availability .status-badge {
  margin-bottom: var(--space-1);
}

.availability p {
  font-size: 0.9rem;
  margin: 0;
}

/* ── Horizontal checklist timeline ── */

.overview-label {
  margin-top: var(--space-4);
}

.check-timeline {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--space-4);
  display: grid;
  grid-template-columns: 1fr;
}

.check-timeline-item {
  position: relative;
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin: 0;
  padding-bottom: var(--space-2);
}

.check-timeline-item:last-child {
  padding-bottom: 0;
}

.check-timeline-item:not(:last-child)::before {
  content: '';
  position: absolute;
  left: 15px;
  top: 32px;
  bottom: 0;
  width: 2px;
  background: var(--color-accent);
}

.check-timeline-dot {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--color-accent);
  color: #ffffff;
}

.check-timeline-label {
  font-family: 'Sora', sans-serif;
  font-size: 0.85rem;
  font-weight: 600;
  line-height: 1.3;
  color: var(--color-ink);
}

@media (min-width: 640px) {
  .check-timeline {
    position: relative;
    grid-template-columns: repeat(5, 1fr);
  }

  .check-timeline::before {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    top: 15px;
    height: 2px;
    background: var(--color-accent);
  }

  .check-timeline-item {
    flex-direction: column;
    gap: var(--space-1);
    padding: 0 4px;
    text-align: center;
  }

  .check-timeline-item:not(:last-child)::before {
    content: none;
  }
}

/* ── Tool logo tiles ── */

.tool-grid {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--space-3);
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-3) var(--space-2);
}

.tool {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  margin: 0;
}

.tool-tile {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  margin-bottom: var(--space-2);
  padding: 10px;
  background: var(--color-surface-solid);
  border: 1px solid var(--color-border-soft);
  border-radius: 14px;
  box-shadow: 0 4px 14px rgba(36, 35, 43, 0.08);
  transform: rotate(var(--tilt, 0deg));
  transition: transform 0.2s ease;
}

.tool:hover .tool-tile {
  transform: rotate(0deg) translateY(-2px);
}

.tool-tile img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.tool-tile--placeholder {
  font-family: 'Sora', sans-serif;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-ink-faint);
}

.tool-name {
  font-family: 'Sora', sans-serif;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-ink);
}

.tool-role {
  margin-top: 2px;
  font-size: 0.85rem;
  line-height: 1.45;
  color: var(--color-ink-soft);
}

@media (min-width: 640px) {
  .tool-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* ── Facts list (label / value rows) ── */

.facts-list {
  margin: var(--space-3) 0 var(--space-4);
  border-top: 1px solid var(--color-border-soft);
}

.facts-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding: var(--space-2) 0;
  border-bottom: 1px solid var(--color-border-soft);
}

.facts-row dt {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-ink-faint);
}

.facts-row dd {
  margin: 0;
  font-size: 0.95rem;
  color: var(--color-ink);
}

@media (min-width: 640px) {
  .facts-row {
    grid-template-columns: 11rem 1fr;
    gap: var(--space-3);
    align-items: baseline;
  }
}

/* ── Design system specimen sheet ── */

.spec-sheet {
  margin: var(--space-3) 0 var(--space-4);
  padding: 0 var(--space-3);
  background: var(--color-surface-solid);
  border: 1px solid var(--color-border-soft);
  border-radius: var(--radius-md);
}

.spec-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-2);
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-border-soft);
}

.spec-row:last-child {
  border-bottom: 0;
}

.spec-meta .finding-tag {
  margin-bottom: 4px;
}

.spec-meta p {
  margin: 0;
  font-size: 0.85rem;
  line-height: 1.45;
  color: var(--color-ink-soft);
}

.spec-sheet ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.spec-sheet li {
  margin: 0;
}

.spec-sheet code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.7rem;
  color: #64748b;
}

/* Color */
.spec-colors {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-1);
}

.spec-swatch span {
  display: block;
  height: 36px;
  margin-bottom: 4px;
  border: 1px solid #e2e8f0;
  border-radius: 6px;
}

/* Typography */
.spec-type li {
  display: grid;
  grid-template-columns: 2rem minmax(0, 1fr);
  align-items: baseline;
  gap: var(--space-1);
  padding: 2px 0;
}

.spec-type span {
  font-family: 'Manrope', sans-serif;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: #0f172a;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.spec-type li:last-child span {
  letter-spacing: 0.08em;
}

/* Spacing */
.spec-spacing {
  display: flex;
  align-items: flex-end;
  gap: 10px;
  min-height: 84px;
}

.spec-spacing li {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}

.spec-spacing span {
  display: block;
  width: 14px;
  background: #bfdbfe;
  border-radius: 3px;
}

/* Radius */
.spec-radius {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.spec-radius li {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.spec-radius span {
  display: block;
  width: 40px;
  height: 40px;
  margin-bottom: 6px;
  background: #dbeafe;
  border: 1px solid #bfdbfe;
}

.spec-radius .is-base span {
  background: #2563eb;
  border-color: #2563eb;
}

.spec-radius small {
  font-size: 0.68rem;
  color: #94a3b8;
}

/* Elevation */
.spec-elevation {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  padding-bottom: var(--space-1);
}

.spec-elevation li {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.spec-elevation span {
  display: block;
  width: 64px;
  height: 40px;
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
}

.spec-shadow-xs { box-shadow: 0 1px 2px rgba(15, 23, 42, 0.05); }
.spec-shadow-sm { box-shadow: 0 1px 3px rgba(15, 23, 42, 0.1), 0 1px 2px -1px rgba(15, 23, 42, 0.1); }
.spec-shadow-md { box-shadow: 0 4px 6px -1px rgba(15, 23, 42, 0.1), 0 2px 4px -2px rgba(15, 23, 42, 0.1); }
.spec-shadow-lg { box-shadow: 0 10px 15px -3px rgba(15, 23, 42, 0.1), 0 4px 6px -4px rgba(15, 23, 42, 0.1); }
.spec-shadow-xl { box-shadow: 0 20px 25px -5px rgba(15, 23, 42, 0.1), 0 8px 10px -6px rgba(15, 23, 42, 0.1); }

@media (min-width: 640px) {
  .spec-row {
    grid-template-columns: 11rem minmax(0, 1fr);
    gap: var(--space-3);
  }

  .spec-colors {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }
}

/* ── Before / after frames ── */

.compare-frame {
  padding: 16px;
  background: #f3f3f5;
  border-radius: 16px;
}

.compare-frame .case-img-wrap {
  margin: 0;
}

.compare-frame .case-img,
.compare-frame .case-img-wrap .case-img {
  width: 100%;
  aspect-ratio: 1448 / 774;
  object-fit: contain;
  object-position: center;
  margin: 0;
}

.compare-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  grid-template-areas:
    "label-before"
    "frame-before"
    "caption-before"
    "arrow"
    "label-after"
    "frame-after"
    "caption-after";
  margin: var(--space-4) 0;
}

.compare-label--before { grid-area: label-before; }
.compare-frame--before { grid-area: frame-before; }
.compare-caption--before { grid-area: caption-before; }
.compare-arrow { grid-area: arrow; }
.compare-label--after { grid-area: label-after; }
.compare-frame--after { grid-area: frame-after; }
.compare-caption--after { grid-area: caption-after; }

.compare-label {
  display: block;
  margin-bottom: var(--space-1);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-ink-faint);
}

.compare-label--after {
  color: var(--color-accent);
}

.compare-frame--after {
  position: relative;
  z-index: 1;
  background: var(--color-surface-solid);
  border: 1px solid var(--color-border-soft);
  box-shadow: 0 14px 34px rgba(36, 35, 43, 0.12);
}

.compare-caption {
  margin: var(--space-1) 0 0;
  font-size: 0.82rem;
  line-height: 1.5;
  color: var(--color-ink-faint);
}

.compare-caption--after {
  margin-top: var(--space-2);
  color: var(--color-ink);
}

.compare-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-2) 0;
  color: var(--color-accent);
  transform: rotate(90deg);
}

@media (min-width: 640px) {
  .compare-row {
    grid-template-columns: minmax(0, 1fr) 44px minmax(0, 1fr);
    grid-template-areas:
      "label-before   .     label-after"
      "frame-before   arrow frame-after"
      "caption-before .     caption-after";
    column-gap: var(--space-1);
  }

  .compare-arrow {
    padding: 0;
    transform: none;
  }
}

.shot-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-3) var(--space-2);
  margin: var(--space-3) 0;
}

.shot-grid .cs-figure {
  margin: 0;
}

.shot-grid .compare-frame .case-img,
.shot-grid .compare-frame .case-img-wrap .case-img {
  aspect-ratio: auto;
  height: auto;
}

@media (min-width: 640px) {
  .shot-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* ── UI kit tabs and product showcase ── */

.kit-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: var(--space-3) 0 var(--space-2);
}

.kit-tab {
  /* 1px more on top than bottom: optically centres the text in the pill */
  padding: calc(0.45rem + 1px) 1rem calc(0.45rem - 1px);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  background: var(--color-surface-solid);
  color: var(--color-ink-soft);
  font: inherit;
  font-size: 0.88rem;
  font-weight: 500;
  cursor: pointer;
  transition: color 0.15s ease, background 0.15s ease, border-color 0.15s ease;
}

.kit-tab:hover {
  color: var(--color-ink);
  border-color: rgba(36, 35, 43, 0.2);
}

.kit-tab[aria-selected="true"] {
  background: rgba(41, 74, 176, 0.08);
  border-color: rgba(41, 74, 176, 0.35);
  color: var(--color-accent);
  font-weight: 600;
}

.kit-tab:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.kit-panel .cs-figure {
  margin-top: 0;
}

.kit-frame .case-img {
  border-radius: 8px;
}

/* Tall kit pages scroll inside a capped frame */
.kit-frame {
  max-height: min(680px, 75vh);
  overflow-y: auto;
  /* right padding + reserved 8px scrollbar = 16px, so the page keeps its exact width */
  padding-right: 8px;
  scrollbar-gutter: stable;
  overscroll-behavior: contain;
}

/* Firefox: thin scrollbar is 8px (Chrome/Safari use the 8px ::-webkit-scrollbar below) */
@supports (-moz-appearance: none) {
  .kit-frame {
    scrollbar-width: thin;
    scrollbar-color: rgba(36, 35, 43, 0.25) transparent;
  }
}

.kit-frame::-webkit-scrollbar {
  width: 8px;
}

.kit-frame::-webkit-scrollbar-thumb {
  background: rgba(36, 35, 43, 0.25);
  border-radius: 8px;
  border: 2px solid #f3f3f5;
}

.kit-frame:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.kit-placeholder {
  aspect-ratio: 16 / 10;
}

.product-shot {
  margin: var(--space-4) 0;
}

.cs-wrapup {
  margin-top: var(--space-5);
  padding-top: var(--space-3);
  border-top: 1px solid var(--color-border-soft);
}

.cs-wrapup p {
  margin: var(--space-1) 0 0;
}

/* ── Figures with captions ── */

.cs-figure {
  margin: var(--space-3) 0;
}

.cs-figure .img-placeholder,
.cs-figure .case-img {
  margin: 0;
}

.cs-figure figcaption {
  margin-top: var(--space-1);
  font-size: 0.82rem;
  line-height: 1.5;
  color: var(--color-ink-faint);
}

.img-row .cs-figure {
  margin: 0;
}

/* ── Lightbox ── */

.lb-backdrop {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(20, 18, 28, 0.88);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-3);
  animation: lb-in 0.18s ease;
}

.lb-backdrop[hidden] {
  display: none;
}

@keyframes lb-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.lb-stage {
  display: flex;
  align-items: center;
  justify-content: center;
  max-width: 100%;
  max-height: 100%;
}

.lb-img {
  display: block;
  max-width: min(92vw, 1200px);
  max-height: 88vh;
  width: auto;
  height: auto;
  border-radius: var(--radius-sm);
  box-shadow: 0 32px 80px rgba(0, 0, 0, 0.5);
  animation: lb-img-in 0.2s ease;
}

@keyframes lb-img-in {
  from { transform: scale(0.96); opacity: 0; }
  to   { transform: scale(1);    opacity: 1; }
}

.lb-close {
  position: fixed;
  top: var(--space-2);
  right: var(--space-2);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: none;
  background: rgba(255, 255, 255, 0.12);
  color: #ffffff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s ease;
}

.lb-close:hover {
  background: rgba(255, 255, 255, 0.22);
}

.lb-close:focus-visible {
  outline: 2px solid rgba(255, 255, 255, 0.6);
  outline-offset: 2px;
}

/* blue production notes */

.cs-note {
  margin: var(--space-3) 0;
  padding: var(--space-2) var(--space-3);
  background: var(--color-bg-2);
  border-left: 3px solid var(--color-accent);
  border-radius: var(--radius-sm);
  color: var(--color-accent);
}

.cs-note p,
.cs-note li,
.cs-note strong {
  color: var(--color-accent);
}

.cs-note p:last-child,
.cs-note ul:last-child {
  margin-bottom: 0;
}

.cs-note-label {
  display: block;
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  margin-bottom: var(--space-1);
}

/* image placeholder blocks */

.img-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  min-height: 160px;
  padding: var(--space-3);
  margin: var(--space-3) 0;
  background: repeating-linear-gradient(
    135deg,
    rgba(36, 35, 43, 0.035),
    rgba(36, 35, 43, 0.035) 10px,
    rgba(36, 35, 43, 0.015) 10px,
    rgba(36, 35, 43, 0.015) 20px
  );
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-ink-faint);
  font-size: 0.85rem;
}

.img-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2);
  margin: var(--space-3) 0;
}

.img-row .img-placeholder {
  margin: 0;
}

.split-visual img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 220px;
  object-fit: cover;
  object-position: top;
  border-radius: var(--radius-md);
}

/* ── Step-by-step checklist ── */

.steps-list {
  list-style: none;
  padding: 0;
  margin: var(--space-3) 0 var(--space-4);
  display: flex;
  flex-direction: column;
  gap: 0;
}

.steps-item {
  display: grid;
  grid-template-columns: 18px 2.25rem 1fr;
  gap: 0 var(--space-2);
  align-items: start;
  padding: 0 var(--space-2) 18px;
  position: relative;
}

.steps-item:last-child {
  padding-bottom: 0;
}

.steps-item:not(:last-child)::after {
  content: '';
  position: absolute;
  left: calc(var(--space-2) + 9px - 1px);
  top: 22px;
  bottom: 0;
  width: 2px;
  background: var(--color-accent);
}

.steps-marker {
  display: flex;
  justify-content: center;
}

.steps-check {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--color-accent);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.steps-num {
  font-family: 'Sora', sans-serif;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--color-ink-faint);
}

.steps-text {
  font-size: 0.92rem;
  color: var(--color-ink-soft);
  line-height: 1.4;
}

/* ── Research timeline ── */

.research-timeline {
  list-style: none;
  padding: 0;
  margin: var(--space-4) 0 var(--space-3);
  display: grid;
  grid-template-columns: 1fr;
}

.research-timeline-item {
  position: relative;
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding-bottom: var(--space-2);
}

.research-timeline-item:last-child {
  padding-bottom: 0;
}

.research-timeline-item:not(:last-child)::before {
  content: '';
  position: absolute;
  left: 15px;
  top: 32px;
  bottom: 0;
  width: 2px;
  background: rgba(41, 74, 176, 0.3);
}

.research-timeline-dot {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--color-accent);
  color: #ffffff;
  font-family: 'Sora', sans-serif;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.research-timeline-label {
  font-family: 'Sora', sans-serif;
  font-size: 0.8rem;
  font-weight: 600;
  line-height: 1.3;
  color: var(--color-ink);
}

.research-timeline-item--muted .research-timeline-dot {
  background: var(--color-surface-solid);
  border: 2px solid rgba(41, 74, 176, 0.3);
}

.research-timeline-item--muted .research-timeline-label {
  color: var(--color-ink-faint);
  font-weight: 500;
}

@media (min-width: 768px) {
  .research-timeline {
    grid-template-columns: repeat(6, 1fr);
  }

  .research-timeline-item {
    flex-direction: column;
    gap: var(--space-1);
    padding: 0 4px;
    text-align: center;
  }

  .research-timeline-item:not(:last-child)::before {
    left: 50%;
    top: 15px;
    bottom: auto;
    width: 100%;
    height: 2px;
  }
}

/* ── Research summary cards ── */

.research-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2);
  margin: var(--space-3) 0 var(--space-5);
}

.research-card {
  padding: var(--space-2) var(--space-2) calc(var(--space-2) + 4px);
  background: var(--color-surface-solid);
  border: 1px solid var(--color-border-soft);
  border-radius: var(--radius-md);
}

.research-card-num {
  display: block;
  font-family: 'Sora', sans-serif;
  font-size: 1.75rem;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.045em;
  color: var(--color-accent);
  font-variant-numeric: tabular-nums;
  margin-bottom: var(--space-1);
}

.research-card-title {
  font-family: 'Sora', sans-serif;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-ink);
  margin: 0 0 4px;
}

.research-card-body {
  font-size: 0.85rem;
  line-height: 1.5;
  margin: 0;
}

@media (min-width: 640px) {
  .research-cards {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 900px) {
  .research-cards {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* ── Numbered research steps ── */

.research-steps {
  list-style: none;
  padding: 0;
  margin: var(--space-4) 0;
}

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

.research-step + .research-step {
  margin-top: var(--space-5);
}

.research-step-num {
  font-family: 'Sora', sans-serif;
  font-size: 2.5rem;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.045em;
  color: var(--color-accent);
  font-variant-numeric: tabular-nums;
}

.research-step-tag {
  display: block;
  font-family: 'Sora', sans-serif;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-1);
}

.research-step-body h3 {
  margin-top: 0;
}

.research-step-body > :last-child {
  margin-bottom: 0;
}

@media (min-width: 640px) {
  .research-step {
    grid-template-columns: 5.5rem 1fr;
    gap: var(--space-2) var(--space-3);
  }

  .research-step-num {
    font-size: 3.5rem;
  }
}

/* ── Key findings cards ── */

.findings {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2);
  margin: var(--space-3) 0 var(--space-4);
}

.findings--tight {
  gap: var(--space-1);
}

.finding {
  display: flex;
  flex-direction: column;
  background: var(--color-surface-solid);
  border: 1px solid var(--color-border-soft);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.finding-main {
  flex: 1;
  padding: var(--space-3) var(--space-3) var(--space-2);
}

.finding-tag {
  display: block;
  font-family: 'Sora', sans-serif;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-1);
}

.finding-main h3,
.out-of-scope h3 {
  margin-top: 0;
  font-size: 1rem;
  line-height: 1.3;
}

.finding-main p {
  font-size: 0.9rem;
  line-height: 1.55;
  margin: 0;
}

.finding-response {
  padding: var(--space-2) var(--space-3) calc(var(--space-2) + 4px);
  background: rgba(41, 74, 176, 0.07);
  border-top: 1px solid rgba(41, 74, 176, 0.15);
}

.finding-response-label {
  display: block;
  font-family: 'Sora', sans-serif;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-ink);
  margin-bottom: 6px;
}

.finding-response p {
  font-size: 0.88rem;
  line-height: 1.5;
  color: var(--color-ink-soft);
  margin: 0;
}

.out-of-scope {
  margin: 0 0 var(--space-4);
  padding: var(--space-3);
  border: 1.5px dashed var(--color-border);
  border-radius: var(--radius-md);
}

.out-of-scope .finding-tag {
  color: var(--color-ink-faint);
}

.out-of-scope p {
  margin: 0;
}

@media (min-width: 768px) {
  .findings {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ── Reference gallery (2×2 competitor table) ── */

.competitor-grid.competitor-grid--quad {
  gap: 1px;
  background: var(--color-border-soft);
}

.competitor-grid--quad .competitor-col {
  background: var(--color-surface-solid);
}

@media (min-width: 640px) {
  .competitor-grid.competitor-grid--quad {
    grid-template-columns: 1fr 1fr;
  }
}

.competitor-grid--quad .competitor-logo {
  height: 56px;
  object-fit: contain;
  object-position: left center;
}

.competitor-grid--quad .competitor-logo--lg {
  max-width: 200px;
}

.competitor-grid--quad .competitor-logo--xl {
  max-width: 180px;
}

.reference-frame {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 260px;
  margin-top: auto;
  padding: 16px;
  background: #f3f3f5;
  border-radius: 16px;
}

.reference-frame .case-img-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  margin: 0;
}

.reference-frame .case-img,
.reference-frame .case-img-wrap .case-img {
  width: auto;
  max-width: 100%;
  height: auto;
  max-height: 100%;
  margin: 0;
  object-fit: contain;
}

@media (min-width: 640px) {
  .reference-frame {
    height: 320px;
  }
}

/* ── Closing statement ── */

.cs-closing {
  margin: var(--space-4) 0 0;
  padding-left: var(--space-2);
  border-left: 3px solid var(--color-accent);
  font-size: 1.05rem;
  line-height: 1.6;
  color: var(--color-ink);
}

/* ── Design principles ordered list ── */

.principles-list {
  list-style: none;
  padding: 0;
  margin: var(--space-3) 0 var(--space-4);
}

.principles-item {
  display: grid;
  grid-template-columns: 2.75rem 1fr;
  gap: var(--space-3);
  padding: var(--space-3) 0;
  border-top: 1px solid var(--color-border-soft);
  align-items: start;
}

.principles-num {
  font-family: 'Sora', sans-serif;
  font-size: 3rem;
  font-weight: 800;
  color: var(--color-accent);
  letter-spacing: -0.04em;
  line-height: 1;
  font-variant-numeric: tabular-nums;
  padding-top: 3px;
}

.principles-content {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.principles-title {
  font-family: 'Sora', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-ink);
  margin: 0;
  line-height: 1.3;
}

.principles-body {
  font-size: 0.9rem;
  color: var(--color-ink-soft);
  margin: 0;
  line-height: 1.55;
}

.principles-tag {
  display: inline-flex;
  align-self: flex-start;
  margin-top: var(--space-1);
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(41, 74, 176, 0.08);
  color: var(--color-accent);
  font-family: 'Sora', sans-serif;
  font-size: 0.72rem;
  font-weight: 600;
  line-height: 1.3;
}

.principles-list--compact .principles-item {
  grid-template-columns: 1.5rem 1fr;
  gap: var(--space-1);
  padding: var(--space-2) 0;
  align-items: baseline;
}

.principles-list--compact .principles-num {
  font-size: 1rem;
  letter-spacing: 0;
  line-height: 1.3;
  padding-top: 0;
}

/* ── What we learned cards ── */

.learned-grid {
  display: grid;
  grid-template-columns: 1fr;
  margin: var(--space-3) 0 var(--space-4);
  background: var(--color-surface-solid);
  border: 1px solid var(--color-border-soft);
  border-radius: var(--radius-md);
  overflow: hidden;
}

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

.learned-divider {
  background: var(--color-border-soft);
  height: 1px;
}

@media (min-width: 640px) {
  .learned-divider {
    height: auto;
    align-self: stretch;
  }
}

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

.learned-card-num {
  font-family: 'Sora', sans-serif;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--color-accent);
  display: block;
  margin-bottom: var(--space-1);
}

.learned-card h4 {
  font-size: 0.92rem;
  font-weight: 700;
  margin: 0 0 var(--space-2);
  color: var(--color-ink);
}

.learned-section-label {
  display: block;
  font-family: 'Sora', sans-serif;
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-ink-faint);
  margin-bottom: 6px;
}

.learned-section-label--opportunity {
  color: var(--color-accent);
}

.learned-insight {
  margin-bottom: var(--space-2);
}

.learned-insight p,
.learned-opportunity-body p {
  font-size: 0.86rem;
  margin: 0;
}

.learned-opportunity-body {
  border-top: 1px solid var(--color-border-soft);
  padding-top: var(--space-2);
  margin-top: auto;
}

/* ── Text + image two-column section ── */

.cs-text-image {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
}

@media (min-width: 640px) {
  .cs-text-image {
    grid-template-columns: 7fr 3fr;
    gap: var(--space-4);
    align-items: center;
  }

  .cs-text-image-aside {
    position: sticky;
    top: calc(var(--nav-h) + var(--space-3));
  }
}

.cs-text-image-aside img {
  display: block;
  width: 60%;
  height: auto;
  margin: 0 auto;
}

/* ── Case images ── */

.case-img {
  display: block;
  width: 100%;
  margin: var(--space-3) 0;
}

.img-row .case-img {
  margin: 0;
}

.book-img {
  display: block;
  width: 100%;
  max-width: 124px;
  margin: 0 auto;
}

.competitor-grid {
  display: grid;
  grid-template-columns: 1fr;
  margin: var(--space-3) 0;
  background: var(--color-surface-solid);
  border: 1px solid var(--color-border-soft);
  border-radius: var(--radius-md);
  overflow: hidden;
}

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

.competitor-divider {
  background: var(--color-border-soft);
  height: 1px;
}

@media (min-width: 640px) {
  .competitor-divider {
    height: auto;
    align-self: stretch;
  }
}

.competitor-col {
  padding: var(--space-3);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.competitor-logo {
  display: block;
  width: auto;
  max-width: 120px;
}

.competitor-logo--sm {
  max-width: 100px;
}

.competitor-col p {
  margin: 0;
  font-size: 0.9rem;
}

.competitor-col .case-img {
  margin: 0;
  margin-top: auto;
}

/* Same-height logo box so the text and screenshots line up across columns */
.competitor-grid:not(.competitor-grid--quad) .competitor-logo {
  height: 64px;
  object-fit: contain;
  object-position: left center;
}

.pill-list {
  list-style: none;
  padding: 0;
  margin: var(--space-2) 0;
  display: grid;
  gap: var(--space-2);
}

.pill-list li {
  background: var(--color-surface);
  border: 1px solid var(--color-border-soft);
  border-radius: var(--radius-sm);
  padding: var(--space-2);
  margin: 0;
}

/* ---------- Pixel-exact image fit on large screens ----------
   Card and hero images get a whole-pixel box that matches an exact-size
   file (1x and 2x), so the browser draws them at native size with no
   resampling. Smaller screens keep the fluid, srcset-based sizing. */

.case-card-visual picture,
.case-hero-img-full picture {
  display: block;
  height: 100%;
}

/* <picture> wrappers around screenshots shouldn't affect layout:
   the img keeps sizing against its frame as if it were a direct child */
.case-img-wrap > picture {
  display: contents;
}

@media (min-width: 1240px) {
  .case-card {
    grid-template-columns: minmax(0, 1fr) 588px;
  }

  .case-card-visual {
    padding: 24px 24px 24px 0;
  }

  .case-card-img {
    width: 564px;
    height: auto;
    min-height: 0;
  }
}

/* Case study screenshots: on large screens each one has exact-size 1x/2x
   files (img/sized/) and is drawn at native size, so no resampling. */

@media (min-width: 1040px) {
  img.case-img--exact {
    width: auto !important;
    height: auto !important;
    max-width: 100% !important;
    max-height: none !important;
    aspect-ratio: auto !important;
    object-fit: fill !important;
    margin-inline: auto;
  }

  .compare-row .compare-frame {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 260px;
  }

  .compare-row .compare-frame--after {
    height: 262px;
  }

  .compare-frame .case-img-wrap,
  .reference-frame .case-img-wrap {
    display: flex;
    justify-content: center;
  }
}

/* ---------- Footer ---------- */

.site-footer {
  padding: var(--space-5) 0 var(--space-2);
  text-align: left;
  color: var(--color-ink-faint);
  font-size: 0.85rem;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-2) 20px 0;
  border-top: 1px solid var(--color-border-soft);
}

.footer-brand {
  margin: 0;
  color: var(--color-ink-faint);
}

.footer-logo {
  font-family: 'Sora', sans-serif;
  font-weight: 800;
  font-size: 1rem;
  color: var(--color-ink);
  letter-spacing: -0.02em;
  margin-right: 0.5rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-links li {
  margin: 0;
}

.footer-links a {
  color: var(--color-ink-soft);
  text-decoration: none;
  transition: color 0.15s ease;
}

.footer-links a:hover {
  color: var(--color-accent);
}

@media (min-width: 640px) {
  .footer-inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

.footer-logo .logo-dot {
  color: var(--color-accent);
}

/* ---------- Responsive ---------- */

@media (min-width: 640px) {
  .stat-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .img-row {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 860px) {
  :root {
    font-size: 17px;
  }

  .split-hero {
    grid-template-columns: 1fr 380px;
    gap: var(--space-4);
  }

  .case-card {
    grid-template-columns: 1fr 1fr;
    align-items: stretch;
  }

  .case-card-visual {
    padding: var(--space-3) var(--space-3) var(--space-3) 0;
  }
}

/* ── Mobile-only overrides (< 640px) ── */

@media (max-width: 639px) {
  .cs-body {
    padding: var(--space-4) 0;
  }

  .cs-section {
    padding: var(--space-3) 0;
  }

  .stat-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-3);
  }

  .stat-number {
    font-size: 3rem;
  }

  .case-card-visual {
    padding: 0 var(--space-2) var(--space-2);
  }

  .case-hero-img-full {
    padding-inline: var(--space-2);
  }

  .needs-side {
    padding: var(--space-2);
  }

  .learned-card {
    padding: var(--space-2);
  }

  .competitor-col {
    padding: var(--space-2);
  }

  .cs-text-image-aside img {
    width: 40%;
    margin: 0 auto var(--space-2);
  }
}

/* ---------- Accent gradient: midnight navy -> electric blue ----------
   Gradient on large accent marks (numbers, dots, stripes, logo dot).
   Everything else uses the solid accent #294AB0 "Sapphire" (7.8:1 on white). */

.stat::before,
.proud-stripe,
.status-badge::before,
.steps-check,
.check-timeline-dot,
.research-timeline-item:not(.research-timeline-item--muted) .research-timeline-dot {
  background: var(--accent-gradient);
}

.logo-dot,
.principles-num,
.research-step-num,
.research-card-num,
.learned-card-num {
  color: var(--color-accent);
  background-image: var(--accent-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}