/* =========================================================
   Saai Rathinasamy — Portfolio · v2 "Midnight Studio"
   Design system: dark cinematic, Fraunces + Inter,
   warm amber signal accent. Hand-coded, no build step.
   ========================================================= */

/* ---------- Tokens ---------- */
:root {
  color-scheme: dark;
  --bg:        #0E0F13;   /* deep ink base          */
  --bg-2:      #1C1F27;   /* raised / alt sections  */
  --bg-3:      #262832;   /* deeper panel / chips   */
  --ink:       #F5F4EF;   /* warm-white text        */
  --ink-soft:  #D6D5CE;
  --muted:     #9B9A93;   /* secondary text         */
  --faint:     #86857C;   /* tertiary / labels (AA) */
  --line:      rgba(255, 255, 255, 0.10);
  --line-2:    rgba(255, 255, 255, 0.055);
  --accent:    #FFB84D;   /* amber signal           */
  --accent-ink:#FFC96B;   /* brighter amber (hover) */
  --accent-soft: rgba(255, 184, 77, 0.12);
  --on-accent: #17130A;   /* dark text on amber     */
  --gold:       #FFB84D;  /* amber (alias)          */
  --gold-bright:#FFC96B;
  --gold-soft:  rgba(255, 184, 77, 0.12);
  --good:      #6FD3A0;   /* mint "after"/success   */
  --card:      #16171E;   /* card surface           */
  --shadow-sm: 0 1px 2px rgba(0,0,0,.45), 0 2px 10px rgba(0,0,0,.35);
  --shadow-md: 0 12px 30px rgba(0,0,0,.5), 0 3px 10px rgba(0,0,0,.4);
  --shadow-lg: 0 30px 70px rgba(0,0,0,.62), 0 8px 22px rgba(0,0,0,.5);
  --grain-blend: soft-light;
  --grain-opacity: .35;
  --radius:    18px;
  --radius-sm: 12px;
  --radius-lg: 26px;
  --maxw:      1160px;
  --prose:     720px;
  --ease:      cubic-bezier(.22,.61,.36,1);
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-display: "Fraunces", Georgia, "Times New Roman", serif;
}

/* ---------- Light theme ---------- */
:root[data-theme="light"] {
  color-scheme: light;
  --bg:        #FBFAF7;   /* warm paper             */
  --bg-2:      #EFEADF;   /* raised / alt sections  */
  --bg-3:      #E3DDCF;   /* deeper panel / chips   */
  --ink:       #1A1A1E;   /* near-black warm        */
  --ink-soft:  #3A3A40;
  --muted:     #5F5E57;   /* secondary text (AA)    */
  --faint:     #736F63;   /* tertiary / labels (AA) */
  --line:      rgba(20, 20, 28, 0.14);
  --line-2:    rgba(20, 20, 28, 0.08);
  --accent:    #A85A0F;   /* deep amber (AA on paper)*/
  --accent-ink:#8A4E0A;   /* darker amber (hover)   */
  --accent-soft: rgba(168, 90, 15, 0.12);
  --on-accent: #FFFFFF;   /* white text on amber    */
  --gold:       #A85A0F;
  --gold-bright:#8A4E0A;
  --gold-soft:  rgba(168, 90, 15, 0.12);
  --good:      #2E6B4F;   /* deeper mint            */
  --card:      #FFFFFF;
  --shadow-sm: 0 1px 2px rgba(30,25,15,.06), 0 2px 10px rgba(30,25,15,.05);
  --shadow-md: 0 12px 30px rgba(30,25,15,.10), 0 3px 10px rgba(30,25,15,.06);
  --shadow-lg: 0 30px 70px rgba(30,25,15,.14), 0 8px 22px rgba(30,25,15,.10);
  --grain-blend: multiply;
  --grain-opacity: .16;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; }
::selection { background: var(--accent); color: var(--on-accent); }

/* Smooth theme change (respects reduced-motion) */
body, .site-header, .section--alt, .stat, .erow, .chip, .ask-main, .ask-card, .btn--ghost, .principle {
  transition: background-color .35s var(--ease), border-color .35s var(--ease), color .35s var(--ease);
}
@media (prefers-reduced-motion: reduce) {
  body, .site-header, .section--alt, .stat, .erow, .chip, .ask-main, .ask-card, .btn--ghost, .principle { transition: none; }
  .figure img, .gallery img, .lightbox, .lightbox__img, .lightbox__btn { transition: none; }
  .lightbox__img { transform: none; }
  .figure img:hover, .gallery img:hover { transform: none; }
}

/* ---------- Accessibility: focus + skip link ---------- */
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible,
.erow:focus-visible {
  outline: 2px solid var(--accent); outline-offset: 3px;
}
/* Only show ring for keyboard users; mouse focus stays clean */
a:focus:not(:focus-visible), button:focus:not(:focus-visible) { outline: none; }

.skip-link {
  position: fixed; top: -100px; left: 12px; z-index: 200;
  background: var(--accent); color: var(--on-accent);
  padding: 10px 16px; border-radius: 10px; font-weight: 650; font-size: .9rem;
  box-shadow: var(--shadow-md); transition: top .2s var(--ease);
}
.skip-link:focus { top: 12px; outline: none; }

/* ---------- Theme toggle ---------- */
.theme-toggle {
  flex: none;
  position: relative;
  display: inline-grid;
  grid-template-columns: repeat(2, 1fr);
  place-items: center;
  width: 58px;
  height: 34px;
  padding: 3px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg-2) 84%, transparent);
  cursor: pointer;
  margin-left: 6px;
  transition: border-color .2s, background .2s, transform .2s var(--ease);
}
.theme-toggle::before {
  content: "";
  position: absolute;
  top: 3px;
  left: 3px;
  width: 24px;
  height: 24px;
  border-radius: 999px;
  background: var(--bg);
  border: 1px solid var(--line);
  box-shadow: 0 1px 1px rgba(0,0,0,.2);
  transition: transform .22s var(--ease), border-color .2s, background .2s;
}
:root[data-theme="dark"] .theme-toggle::before { transform: translateX(26px); }
.theme-toggle:hover { border-color: var(--ink-soft); background: color-mix(in srgb, var(--bg-2) 92%, transparent); }
.theme-toggle:active { transform: scale(.98); }
.theme-toggle svg {
  width: 14px;
  height: 14px;
  display: block;
  z-index: 1;
  transition: color .2s, opacity .2s;
}
.theme-toggle .icon-sun,
.theme-toggle .icon-moon { color: var(--ink-soft); opacity: .45; }
:root[data-theme="light"] .theme-toggle .icon-sun,
:root[data-theme="dark"] .theme-toggle .icon-moon { color: var(--ink); opacity: .95; }

/* ---------- Layout ---------- */
.wrap { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: 24px; }
.section { padding-block: clamp(64px, 9vw, 128px); }
.section--tight { padding-block: clamp(48px, 6vw, 88px); }
.section--alt { background: var(--bg-2); }
/* clear boundaries between the major sections */
#work, #ask, #testimonials, #about, #contact { border-top: 1px solid var(--line); }
.divider { height: 1px; background: var(--line); border: 0; margin: 0; }

/* ---------- Type ---------- */
h1, h2, h3, h4 { margin: 0; font-weight: 600; letter-spacing: -0.02em; line-height: 1.08; }
.display {
  font-family: var(--font-display);
  font-weight: 500;
  font-optical-sizing: auto;
  letter-spacing: -0.015em;
  line-height: 1.02;
}
p { margin: 0 0 1em; }
.lead { font-size: clamp(1.05rem, 1.6vw, 1.28rem); color: var(--ink-soft); line-height: 1.55; }
.muted { color: var(--muted); }
.prose { max-width: var(--prose); }
.prose p { color: var(--ink-soft); }

.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 0.72rem; font-weight: 600; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--accent);
}
.eyebrow::before {
  content: ""; width: 26px; height: 1.5px;
  background: linear-gradient(90deg, var(--accent), var(--gold)); opacity: .9;
}
.eyebrow--plain::before { display: none; }

.section-head { max-width: 760px; margin-bottom: clamp(32px, 4vw, 56px); }
.section-head h2 { font-size: clamp(1.7rem, 3.2vw, 2.4rem); margin-top: 14px; }
.section-head p { margin-top: 16px; }

/* ---------- Buttons ---------- */
.btn {
  --pad-y: 13px; --pad-x: 22px;
  display: inline-flex; align-items: center; gap: 9px;
  padding: var(--pad-y) var(--pad-x);
  border-radius: 999px; font-size: 0.95rem; font-weight: 550;
  border: 1px solid transparent; cursor: pointer;
  transition: transform .25s var(--ease), background .2s var(--ease), box-shadow .25s var(--ease), border-color .2s;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn--primary { background: var(--accent); color: var(--on-accent); box-shadow: var(--shadow-sm); font-weight: 600; }
.btn--primary:hover { background: var(--accent-ink); box-shadow: var(--shadow-md); }
.btn--ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn--ghost:hover { border-color: var(--ink); background: rgba(255,255,255,.05); }
.btn .arrow { transition: transform .25s var(--ease); }
.btn:hover .arrow { transform: translateX(3px); }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 60;
  backdrop-filter: saturate(160%) blur(12px);
  -webkit-backdrop-filter: saturate(160%) blur(12px);
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  border-bottom: 1px solid transparent;
  transition: border-color .3s, background .3s;
}
.site-header.scrolled { border-bottom-color: var(--line); }
.nav { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.nav-right { display: flex; align-items: center; gap: 6px; }
.brand { font-weight: 650; letter-spacing: -0.02em; font-size: 1.02rem; display: inline-flex; align-items: center; gap: 10px; }
.brand .dot { width: 9px; height: 9px; border-radius: 50%; background: var(--accent); display: inline-block; }
.nav-links { display: flex; align-items: center; gap: 6px; }
.nav-links a { padding: 8px 14px; border-radius: 999px; font-size: 0.93rem; color: var(--ink-soft); transition: background .2s, color .2s; }
.nav-links a:not(.btn):hover, .nav-links a.active:not(.btn) { background: var(--accent-soft); color: var(--accent); }
.nav-links .btn { margin-left: 8px; padding: 9px 18px; }
.nav-links a.btn--primary { color: var(--on-accent); }
.nav-links a.btn--primary:hover { color: var(--on-accent); background: var(--accent-ink); }
.nav-toggle { display: none; background: none; border: 0; padding: 8px; cursor: pointer; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--ink); margin: 4px 0; transition: transform .3s var(--ease), opacity .2s; border-radius: 2px; }
.nav-open .nav-toggle span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-open .nav-toggle span:nth-child(2) { opacity: 0; }
.nav-open .nav-toggle span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero { padding-top: clamp(32px, 4.5vw, 60px); padding-bottom: clamp(28px, 3.5vw, 52px); position: relative; }
.hero-grid { display: grid; grid-template-columns: 1.35fr 1fr; gap: clamp(32px, 5vw, 72px); align-items: center; }
.hero h1 { font-size: clamp(2rem, 4.4vw, 3.4rem); margin-top: 14px; }
.hero h1 em { font-style: italic; color: var(--accent); }
.hero .lead { margin-top: 18px; max-width: 620px; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 24px; }
.availability {
  margin-top: 26px; display: inline-flex; align-items: center; gap: 10px;
  font-size: 0.9rem; color: var(--muted);
}
.availability .pulse {
  width: 9px; height: 9px; border-radius: 50%; background: var(--good); position: relative; flex: none;
}
.availability .pulse::after {
  content: ""; position: absolute; inset: -5px; border-radius: 50%;
  border: 1px solid var(--good); opacity: .5; animation: pulse 2.4s var(--ease) infinite;
}
@keyframes pulse { 0% { transform: scale(.7); opacity: .6; } 100% { transform: scale(1.5); opacity: 0; } }
@media (prefers-reduced-motion: reduce) { .availability .pulse::after { animation: none; } }
.hero-skim { margin-top: 20px; max-width: 700px; }
.hero-skim__k {
  font-size: 0.72rem; font-weight: 650; letter-spacing: .16em; text-transform: uppercase;
  color: var(--faint); margin-bottom: 10px;
}
.hero-skim__grid {
  list-style: none; margin: 0; padding: 0;
  display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px;
}
.hero-skim__grid li {
  display: flex; flex-direction: column; gap: 3px;
  padding: 10px 12px; border: 1px solid var(--line); border-radius: 12px;
  background: color-mix(in srgb, var(--bg-2) 90%, transparent);
}
.hero-skim__grid strong { font-size: .98rem; line-height: 1.2; color: var(--ink); }
.hero-skim__grid span { font-size: .8rem; color: var(--muted); line-height: 1.35; }

/* thrive checklist */
.thrive { margin-top: 4px; }
.thrive .k { font-size: 0.78rem; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--faint); margin-bottom: 16px; }
.thrive ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; }
.thrive li { display: flex; gap: 12px; align-items: flex-start; font-size: 0.98rem; color: var(--ink-soft); }
.thrive .check {
  flex: none; width: 24px; height: 24px; border-radius: 50%; margin-top: 1px;
  background: var(--accent-soft); color: var(--accent);
  display: grid; place-items: center; font-size: 0.8rem; font-weight: 700;
}
.hero-portrait {
  background: var(--bg-3); border: 1px solid var(--line); border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md); padding: 26px;
}

/* ---------- Stat bar (before -> after) ---------- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.stat {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 24px 22px; box-shadow: var(--shadow-sm);
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
  animation: statSlideUp .6s var(--ease) backwards;
}
.stat:nth-child(1) { animation-delay: 0s; }
.stat:nth-child(2) { animation-delay: .06s; }
.stat:nth-child(3) { animation-delay: .12s; }
.stat:nth-child(4) { animation-delay: .18s; }
.stat:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }

@keyframes statSlideUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.stat .ba { display: flex; align-items: baseline; gap: 8px; font-family: var(--font-display); font-weight: 500; }
.stat .before { color: var(--faint); font-size: 1.25rem; text-decoration: line-through; text-decoration-thickness: 1.5px; }
.stat .to { color: var(--faint); font-size: 1rem; }
.stat .after { color: var(--ink); font-size: 1.7rem; }
.stat .big { font-family: var(--font-display); font-weight: 500; font-size: 1.9rem; color: var(--ink); }
.stat .big .accent { color: var(--accent); }
.stat .label { margin-top: 8px; font-size: 0.86rem; color: var(--muted); line-height: 1.4; }

/* ---------- Work — editorial rows ---------- */
.work-rows { display: flex; flex-direction: column; }
.erow {
  display: grid; grid-template-columns: 1fr 1.12fr; gap: clamp(32px, 5vw, 72px);
  align-items: center; padding: clamp(40px, 5vw, 66px) 0;
  border-top: 1px solid var(--line);
}
.erow:last-child { border-bottom: 1px solid var(--line); }
/* Subtle accent glow on first case study */
.erow:first-child {
  position: relative;
}
.erow:first-child::before {
  content: "";
  position: absolute;
  top: 0;
  left: -24px;
  right: -24px;
  height: 100%;
  background: linear-gradient(90deg, transparent, color-mix(in srgb, var(--accent) 8%, transparent) 40%, color-mix(in srgb, var(--accent) 8%, transparent) 60%, transparent);
  pointer-events: none;
  border-radius: var(--radius-lg);
  z-index: -1;
  opacity: .6;
}
.erow--flip .erow__media { order: -1; }
.erow__meta { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.erow__num {
  font-family: var(--font-display); font-weight: 500; font-size: 1.05rem;
  color: var(--accent); line-height: 1;
}
.erow__cat {
  font-size: 0.72rem; font-weight: 650; letter-spacing: .04em; line-height: 1;
  color: var(--accent-ink); background: var(--accent-soft);
  border: 1px solid color-mix(in srgb, var(--accent) 26%, transparent);
  padding: 6px 12px; border-radius: 999px;
}
.erow__title {
  font-family: var(--font-display); font-weight: 500;
  font-size: clamp(1.7rem, 3.2vw, 2.7rem); line-height: 1.06; letter-spacing: -.015em;
  margin: 16px 0 0;
}
.erow__desc { margin-top: 16px; color: var(--ink-soft); font-size: 1.02rem; line-height: 1.58; max-width: 46ch; }
.erow__metrics { display: flex; flex-wrap: wrap; gap: 20px 34px; margin-top: 26px; }
.erow__metrics .v { font-family: var(--font-display); font-weight: 600; font-size: 1.5rem; color: var(--accent); letter-spacing: -.01em; }
.erow__metrics .l { font-size: 0.8rem; color: var(--muted); margin-top: 3px; }
.erow__link {
  margin-top: 28px; display: inline-flex; align-items: center; gap: 9px;
  font-weight: 650; color: var(--ink); font-size: 1rem;
}
.erow__link .arrow { color: var(--accent); transition: transform .25s var(--ease); }
.erow:hover .erow__link .arrow, .erow:focus-visible .erow__link .arrow { transform: translateX(5px); }
.erow__media {
  position: relative; border-radius: var(--radius-lg); overflow: hidden;
  border: 1px solid var(--line); box-shadow: var(--shadow-lg); cursor: pointer;
  transition: border-color .3s var(--ease), box-shadow .3s var(--ease);
}
.erow__media::before {
  content: ""; position: absolute; inset: -10%; z-index: -1;
  background: radial-gradient(52% 52% at 70% 28%, color-mix(in srgb, var(--accent) 24%, transparent), transparent 70%);
  filter: blur(32px);
}
.erow__media img { width: 100%; display: block; transition: transform .7s var(--ease); animation: imageReveal .8s var(--ease) forwards; opacity: 0; }
.erow__media img:nth-child(1) { animation-delay: .1s; }
.erow:hover .erow__media img, .erow:focus-visible .erow__media img { transform: scale(1.04); }

@keyframes imageReveal {
  from { opacity: 0; transform: scale(0.96) translateY(8px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}
.erow:hover .erow__media, .erow:focus-visible .erow__media { border-color: color-mix(in srgb, var(--accent) 55%, var(--line)); }
/* darken + reveal CTA on hover for clear affordance */
.erow__media::after {
  content: ""; position: absolute; inset: 0; pointer-events: none; z-index: 1;
  background: linear-gradient(180deg, transparent 45%, rgba(6,7,10,.55));
  opacity: .24; transition: opacity .4s var(--ease);
}
.erow:hover .erow__media::after, .erow:focus-visible .erow__media::after { opacity: .6; }
.work-note {
  margin-top: 48px; text-align: center; font-size: 0.86rem; color: var(--faint);
  max-width: 640px; margin-left: auto; margin-right: auto; line-height: 1.55;
}
.work-more { margin-top: 22px; text-align: center; }
.work-more__cta {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, var(--accent), color-mix(in srgb, var(--accent-ink) 82%, var(--accent) 18%));
  color: var(--on-accent);
  border-color: color-mix(in srgb, var(--accent) 80%, transparent);
  box-shadow: 0 16px 34px color-mix(in srgb, var(--accent) 24%, transparent);
  isolation: isolate;
  animation: workCtaFloat 4.2s ease-in-out infinite;
}
.work-more__cta:hover,
.work-more__cta:focus-visible {
  background: linear-gradient(135deg, var(--accent-ink), var(--accent));
  color: var(--on-accent);
  border-color: var(--accent-ink);
  box-shadow: 0 22px 44px color-mix(in srgb, var(--accent) 28%, transparent);
}
.work-more__cta::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(110deg, transparent 18%, rgba(255,255,255,.12) 45%, transparent 72%);
  transform: translateX(-130%);
  animation: workCtaSheen 5.4s linear infinite;
  pointer-events: none;
}
.work-more__cta .arrow { color: currentColor; }

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

@keyframes workCtaSheen {
  0%, 12% { transform: translateX(-130%); }
  24%, 100% { transform: translateX(130%); }
}

@media (prefers-reduced-motion: reduce) {
  .work-more__cta,
  .work-more__cta::after { animation: none; }
}

/* ---------- About ---------- */
.about-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: clamp(32px, 5vw, 72px); align-items: start; }
.about-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 28px 32px; margin-top: 8px; }
.about-col h4 { font-size: 0.76rem; letter-spacing: .14em; text-transform: uppercase; color: var(--faint); margin-bottom: 12px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { font-size: 0.83rem; padding: 6px 12px; border-radius: 999px; background: var(--bg-2); border: 1px solid var(--line-2); color: var(--ink-soft); }
.timeline { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; }
.timeline li { display: grid; grid-template-columns: 78px 1fr; gap: 14px; font-size: 0.92rem; }
.timeline .yr { color: var(--accent); font-weight: 600; font-variant-numeric: tabular-nums; }
.timeline .role { color: var(--ink-soft); }

/* ---------- Contact ---------- */
.contact { text-align: center; }
.contact h2 { font-size: clamp(2rem, 4.5vw, 3rem); }
.contact .lead { margin-inline: auto; max-width: 520px; margin-top: 18px; }
.contact-links { display: flex; flex-wrap: wrap; justify-content: center; gap: 14px; margin-top: 34px; }
.contact-links a.big-link {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 15px 26px; border-radius: 999px; border: 1px solid var(--line);
  font-weight: 550; background: var(--card); box-shadow: var(--shadow-sm);
  transition: transform .25s var(--ease), border-color .2s, box-shadow .25s;
}
.contact-links a.big-link:hover { transform: translateY(-3px); border-color: var(--ink); box-shadow: var(--shadow-md); }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--line); padding-block: 44px; }
.footer-row { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 18px; align-items: center; color: var(--muted); font-size: 0.9rem; }
.footer-row a { color: var(--muted); border-bottom: 1px solid transparent; transition: color .2s, border-color .2s; }
.footer-row a:hover { color: var(--ink); border-color: var(--line); }
.footer-nav { display: flex; gap: 20px; flex-wrap: wrap; }

/* =========================================================
   CASE STUDY / DETAIL PAGES
   ========================================================= */
.back-link { display: inline-flex; align-items: center; gap: 8px; font-size: 0.9rem; color: var(--muted); margin-bottom: 26px; }
.back-link:hover { color: var(--accent); }
.back-link .arrow { transition: transform .25s var(--ease); }
.back-link:hover .arrow { transform: translateX(-3px); }

.case-hero { padding-top: clamp(28px, 5vw, 56px); }
.case-hero .eyebrow { margin-bottom: 18px; }
.case-hero h1 { font-size: clamp(2rem, 4.6vw, 3.4rem); max-width: 15ch; }
.case-intro { max-width: var(--prose); margin-top: 24px; font-size: clamp(1.05rem, 1.6vw, 1.24rem); color: var(--ink-soft); line-height: 1.55; }

.meta-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-top: 40px; padding: 28px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.meta-row .m h4 { font-size: 0.72rem; letter-spacing: .14em; text-transform: uppercase; color: var(--faint); margin-bottom: 8px; }
.meta-row .m p { margin: 0; font-size: 0.92rem; color: var(--ink-soft); }

.case-body { max-width: var(--prose); }
.case-body h2 { font-size: clamp(1.5rem, 3vw, 2rem); margin-top: 8px; }
.case-body h3 { font-size: 1.15rem; margin-top: 4px; color: var(--accent); }
.block { margin-top: clamp(44px, 6vw, 72px); }
.block .eyebrow { margin-bottom: 14px; }
.block p { color: var(--ink-soft); }
.case-list { list-style: none; padding: 0; margin: 18px 0 0; display: grid; gap: 12px; }
.case-list li { position: relative; padding-left: 26px; color: var(--ink-soft); }
.case-list li::before { content: ""; position: absolute; left: 4px; top: 11px; width: 8px; height: 8px; border-radius: 2px; background: var(--accent); }

.callout {
  margin-top: 28px; padding: 26px 28px; border-radius: var(--radius);
  background: var(--accent-soft); border: 1px solid color-mix(in srgb, var(--accent) 18%, transparent);
}
.callout p:last-child { margin-bottom: 0; }
.callout .k { font-size: 0.74rem; letter-spacing: .14em; text-transform: uppercase; color: var(--accent); font-weight: 600; margin-bottom: 10px; }

/* figures & galleries (full-bleed within wrap) */
.figure { margin-top: clamp(28px, 4vw, 44px); }
.figure img {
  width: 100%; border-radius: var(--radius); border: 1px solid var(--line);
  box-shadow: var(--shadow-md); background: var(--card);
}
.figure figcaption { margin-top: 12px; font-size: 0.85rem; color: var(--muted); text-align: center; }
.gallery { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: clamp(28px, 4vw, 44px); }
.gallery.gallery--3 { grid-template-columns: repeat(3, 1fr); }
.gallery figure { margin: 0; }
.gallery img { width: 100%; border-radius: var(--radius-sm); border: 1px solid var(--line); box-shadow: var(--shadow-sm); background: var(--card); }
.gallery figcaption { margin-top: 10px; font-size: 0.82rem; color: var(--muted); }

/* outcome metric strip */
.outcomes { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 30px; }
.outcome { padding: 24px; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow-sm); }
.outcome .v { font-family: var(--font-display); font-weight: 500; font-size: 1.7rem; color: var(--ink); }
.outcome .v .accent { color: var(--accent); }
.outcome .l { margin-top: 8px; font-size: 0.88rem; color: var(--muted); }

/* next project nav */
.case-next { border-top: 1px solid var(--line); margin-top: clamp(56px, 8vw, 96px); }
.case-next a { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding-block: 40px; }
.case-next .k { font-size: 0.76rem; letter-spacing: .14em; text-transform: uppercase; color: var(--faint); }
.case-next .t { font-family: var(--font-display); font-weight: 500; font-size: clamp(1.5rem, 3vw, 2.2rem); color: var(--ink); transition: color .2s; }
.case-next a:hover .t { color: var(--accent); }

/* ============================================================
   Case study — sectioned layout + fixed vertical section rail
   (Carlos-style: full-width chapter bands, "on this page" TOC)
   ============================================================ */

/* hero stat teaser band */
.hero-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-top: 34px; }
.hero-stat { border-left: 2px solid var(--accent); padding-left: 16px; }
.hero-stat .v { font-family: var(--font-display); font-weight: 500; font-size: clamp(1.5rem, 2.6vw, 2rem); color: var(--ink); line-height: 1.05; }
.hero-stat .l { font-size: 0.82rem; color: var(--muted); margin-top: 6px; line-height: 1.4; }
.hero-stat .sub { font-size: 0.74rem; color: var(--faint); margin-top: 3px; }

/* overview header — cleaner, tighter, properly stacked & aligned */
.case-head .back-link {
  display: inline-flex; width: fit-content;
  font-size: 0.8rem; font-weight: 500; letter-spacing: .02em;
  color: var(--muted); margin-bottom: 30px; padding: 5px 12px 5px 10px;
  border: 1px solid var(--line); border-radius: 999px;
  transition: color .2s var(--ease), border-color .2s var(--ease), background .2s var(--ease);
}
.case-head .back-link:hover { color: var(--ink); border-color: color-mix(in srgb, var(--accent) 45%, var(--line)); background: var(--bg-2); }
.case-head .back-link .arrow { font-size: 0.95rem; }
.case-head .case-kicker {
  display: flex; font-size: 0.7rem; letter-spacing: .16em; margin-bottom: 16px;
}
.case-head .case-title {
  font-size: clamp(1.85rem, 3.2vw, 2.75rem); line-height: 1.08; letter-spacing: -0.02em;
  max-width: 19ch; margin: 0;
}
.case-head .case-intro {
  margin-top: 18px; font-size: clamp(1rem, 1.35vw, 1.15rem);
  line-height: 1.55; max-width: 56ch; color: var(--ink-soft);
}
.case-head .meta-row { margin-top: 34px; padding: 22px 0; gap: 18px; }
.case-head .meta-row .m h4 { margin-bottom: 6px; }
.case-head .meta-row .m p { font-size: 0.9rem; line-height: 1.45; }

/* vertical section rail — anchored table of contents in the right gutter.
   Constant right offset so the reserved reading band is width-independent. */
.case-nav {
  position: fixed; top: 116px; right: 40px; z-index: 40;
  display: flex; flex-direction: column; gap: 3px; padding: 10px;
  width: 150px;
  border-radius: 16px;
  background: color-mix(in srgb, var(--bg) 80%, transparent);
  border: 1px solid var(--line);
  backdrop-filter: saturate(160%) blur(14px);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  box-shadow: var(--shadow-md);
}
.case-nav::before {
  content: "On this page"; display: block; padding: 4px 11px 10px;
  font-size: 0.64rem; letter-spacing: .14em; text-transform: uppercase; color: var(--faint); font-weight: 600;
}
.case-nav__link {
  display: flex; flex-direction: row; align-items: center; gap: 11px;
  padding: 9px 12px; border-radius: 11px;
  color: var(--muted); font-size: 0.9rem; letter-spacing: .01em; white-space: nowrap;
  transition: background .2s var(--ease), color .2s var(--ease);
}
.case-nav__link svg { width: 18px; height: 18px; flex: none; stroke: currentColor; fill: none; stroke-width: 1.9; stroke-linecap: round; stroke-linejoin: round; }
.case-nav__link:hover { color: var(--ink); background: var(--bg-2); }
.case-nav__link.is-active { color: var(--on-accent); background: var(--accent); }
.case-nav__link:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* cleaner case-study pages: hide global header, rely on back link + section rail */
.case-page .site-header { display: none; }
.case-page .case-nav { top: 24px; }
.case-page .case-section { scroll-margin-top: 84px; }

/* full-width chapter bands */
.case-section { scroll-margin-top: 96px; padding-block: clamp(48px, 7vw, 92px); border-top: 1px solid var(--line); }
.case-section:first-of-type { border-top: 0; }
.case-section--alt { background: var(--bg-2); }
.case-col { width: 100%; max-width: var(--prose); margin-inline: auto; }
.case-col--wide { max-width: 960px; }
.case-section .sec-eyebrow { margin-bottom: 14px; }
.case-section h2 { font-family: var(--font-display); font-weight: 500; font-size: clamp(1.6rem, 3.2vw, 2.15rem); line-height: 1.12; margin: 0 0 8px; }
.case-section .thesis { font-size: clamp(1.08rem, 1.7vw, 1.28rem); color: var(--ink); line-height: 1.5; margin: 6px 0 20px; max-width: 42ch; }
.case-section p { color: var(--ink-soft); }

/* constraint card grid */
.constraint-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 28px; }
.constraint-card { position: relative; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 18px 18px 18px 22px; box-shadow: var(--shadow-sm); }
.constraint-card::before { content: ""; position: absolute; left: 0; top: 16px; bottom: 16px; width: 3px; border-radius: 0 3px 3px 0; background: var(--accent); }
.constraint-card h4 { margin: 0 0 6px; font-size: 0.97rem; color: var(--ink); font-family: var(--font-sans); font-weight: 600; }
.constraint-card p { margin: 0; font-size: 0.88rem; color: var(--muted); line-height: 1.5; }

/* "given vs I defined" split */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-top: 28px; }
.split__col { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 22px; box-shadow: var(--shadow-sm); }
.split__col.is-mine { border-color: color-mix(in srgb, var(--accent) 45%, var(--line)); background: color-mix(in srgb, var(--accent-soft) 60%, var(--card)); }
.split__col h4 { margin: 0; font-size: 0.72rem; letter-spacing: .14em; text-transform: uppercase; color: var(--faint); }
.split__col.is-mine h4 { color: var(--accent); }
.split__list { list-style: none; margin: 14px 0 0; padding: 0; display: grid; gap: 9px; }
.split__list li { position: relative; padding-left: 24px; color: var(--ink-soft); font-size: 0.92rem; line-height: 1.4; }
.split__col.is-given .split__list li::before { content: ""; position: absolute; left: 4px; top: 9px; width: 10px; height: 2px; border-radius: 2px; background: var(--faint); }
.split__col.is-mine .split__list li::before { content: "✓"; position: absolute; left: 2px; top: -1px; color: var(--accent); font-size: 0.9rem; font-weight: 700; }

/* Problem / Decision / Tradeoff / Outcome feature block */
.pdto + .pdto { margin-top: clamp(44px, 6vw, 76px); }
.pdto__num { display: inline-block; font-size: 0.72rem; letter-spacing: .14em; text-transform: uppercase; color: var(--accent); font-weight: 600; margin-bottom: 8px; }
.pdto__title { font-family: var(--font-display); font-weight: 500; font-size: clamp(1.35rem, 2.4vw, 1.7rem); margin: 0; line-height: 1.12; }
.pdto__grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(24px, 4vw, 46px); align-items: start; margin-top: 22px; }
.pdto--flip .pdto-media { order: -1; }
.pdto__row { display: grid; grid-template-columns: 108px 1fr; gap: 16px; padding: 14px 0; border-top: 1px solid var(--line); }
.pdto__row:first-child { border-top: 0; padding-top: 0; }
.pdto__k { font-size: 0.7rem; letter-spacing: .12em; text-transform: uppercase; color: var(--faint); font-weight: 600; padding-top: 2px; }
.pdto__row p { margin: 0; font-size: 0.95rem; line-height: 1.55; color: var(--ink-soft); }
.pdto__row--out .pdto__k { color: var(--accent); }
.pdto__row--out p { color: var(--ink); }
.pdto-media { display: block; margin: 0; }
.pdto-media figure { margin: 0; }

/* dark impact climax band (stays dark in both themes) */
.impact-band { background: #101219; color: #F5F4EF; border-top: 1px solid rgba(255,255,255,.08); }
.impact-band .sec-eyebrow { color: var(--accent-ink); }
.impact-band .sec-eyebrow::before { background: var(--accent-ink); }
.impact-band h2 { color: #fff; }
.impact-band .thesis { color: #EDECE6; }
.impact-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; margin-top: 30px; }
.impact-stat { border-left: 2px solid var(--accent); padding-left: 16px; }
.impact-stat .v { font-family: var(--font-display); font-weight: 500; font-size: clamp(1.9rem, 3.6vw, 2.7rem); color: #fff; line-height: 1.02; }
.impact-stat .v .accent { color: var(--accent-ink); }
.impact-stat .l { font-size: 0.85rem; color: #B9B8B1; margin-top: 7px; line-height: 1.4; }
.impact-stat .sub { font-size: 0.75rem; color: #83827B; margin-top: 3px; }
.impact-list { list-style: none; margin: 34px 0 0; padding: 0; display: grid; gap: 12px; max-width: 720px; }
.impact-list li { position: relative; padding-left: 28px; color: #D6D5CE; font-size: 0.95rem; line-height: 1.5; }
.impact-list li::before { content: "✓"; position: absolute; left: 0; top: 0; color: var(--accent-ink); font-weight: 700; }
.impact-quote { margin: 34px 0 0; padding: 20px 24px; border-left: 3px solid var(--accent); background: rgba(255,255,255,.04); border-radius: 0 var(--radius-sm) var(--radius-sm) 0; }
.impact-quote p { color: #EDECE6; font-family: var(--font-display); font-style: italic; font-size: 1.08rem; line-height: 1.5; margin: 0; }
.impact-quote cite { display: block; margin-top: 10px; font-style: normal; font-size: 0.82rem; color: #9B9A93; }

/* "didn't ship" reflection note */
.notship { margin-top: 34px; border: 1px dashed var(--line); border-radius: var(--radius-sm); padding: 22px 24px; background: var(--bg-3); }
.notship .k { font-size: 0.72rem; letter-spacing: .14em; text-transform: uppercase; color: var(--accent); font-weight: 600; margin-bottom: 10px; display: flex; align-items: center; gap: 10px; }
.notship .k .tag { font-size: 0.62rem; letter-spacing: .08em; padding: 3px 8px; border-radius: 999px; background: var(--accent-soft); color: var(--accent); border: 1px solid color-mix(in srgb, var(--accent) 30%, transparent); }
.notship p { margin: 0; color: var(--ink-soft); font-size: 0.95rem; line-height: 1.55; }

/* reflection statements list */
.reflect-list { display: grid; gap: 22px; margin-top: 26px; }
.reflect-list .r h4 { margin: 0 0 6px; font-family: var(--font-display); font-weight: 500; font-size: 1.15rem; color: var(--ink); }
.reflect-list .r p { margin: 0; color: var(--muted); font-size: 0.95rem; line-height: 1.55; }

/* case-study rail — responsive */
@media (max-width: 1279px) {
  .case-nav {
    position: sticky; top: 68px; right: auto; width: auto; z-index: 45;
    flex-direction: row; justify-content: flex-start; align-items: center; gap: 4px;
    padding: 8px 14px; border-radius: 0; border: 0; border-bottom: 1px solid var(--line);
    box-shadow: none; overflow-x: auto; -webkit-overflow-scrolling: touch;
    background: color-mix(in srgb, var(--bg) 92%, transparent);
  }
  .case-nav::before { display: none; }
  .case-nav__link { flex: none; border-radius: 999px; font-size: 0.8rem; gap: 7px; padding: 8px 12px; }
  .case-nav__link svg { width: 15px; height: 15px; }
  .case-section { scroll-margin-top: 124px; }
  .case-page .case-nav { top: 0; }
  .case-page .case-section { scroll-margin-top: 76px; }
}
@media (max-width: 820px) {
  .constraint-grid { grid-template-columns: 1fr; }
  .split { grid-template-columns: 1fr; }
  .pdto__grid { grid-template-columns: 1fr; gap: 22px; }
  .pdto--flip .pdto-media { order: 0; }
  .pdto-media { order: -1; }
  .impact-stats { grid-template-columns: 1fr 1fr; }
  .hero-stats { grid-template-columns: 1fr 1fr; gap: 16px; }
}
@media (max-width: 480px) {
  .pdto__row { grid-template-columns: 1fr; gap: 4px; }
}
@media (prefers-reduced-motion: reduce) {
  .case-nav__link { transition: none; }
  [data-reveal] { opacity: 1 !important; transform: none !important; transition: none !important; }
  .erow__media img { animation: none !important; opacity: 1 !important; transform: none !important; }
  .stat { animation: none !important; }
  .work-more__cta,
  .work-more__cta::after { animation: none; }
}
/* desktop: content spans a full-width band with a constant right reserve
   for the fixed rail (offset 40 + width 150 + gap 20 = 210px). This centers
   the reading column in the space beside the rail at EVERY viewport width,
   instead of re-centering in the full viewport once wider than --maxw. */
@media (min-width: 1280px) {
  .case-section .wrap {
    max-width: none;
    margin-inline: 0;
    padding-left: 24px;
    padding-right: 210px;
  }
}

/* more-work list */
.mw-item { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(28px, 5vw, 64px); align-items: center; padding-block: clamp(40px, 6vw, 72px); }
.mw-item + .mw-item { border-top: 1px solid var(--line); }
.mw-item:nth-child(even) .mw-media { order: 2; }
.mw-media img { width: 100%; border-radius: var(--radius); border: 1px solid var(--line); box-shadow: var(--shadow-md); }
.mw-body h3 { font-size: clamp(1.4rem, 3vw, 2rem); }
.mw-body .meta { font-size: 0.82rem; letter-spacing: .1em; text-transform: uppercase; color: var(--faint); margin-bottom: 12px; }
.mw-body p { margin-top: 14px; color: var(--ink-soft); }

/* ---------- Scroll reveal ---------- */
[data-reveal] { opacity: 0; transform: translateY(22px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
[data-reveal].in { opacity: 1; transform: none; }
[data-reveal][data-delay="1"] { transition-delay: .08s; }
[data-reveal][data-delay="2"] { transition-delay: .16s; }
[data-reveal][data-delay="3"] { transition-delay: .24s; }
@media (prefers-reduced-motion: reduce) {
  [data-reveal] { opacity: 1 !important; transform: none !important; transition: none !important; }
  .erow__media img { animation: none !important; opacity: 1 !important; transform: none !important; }
  .stat { animation: none !important; }
  .work-more__cta,
  .work-more__cta::after { animation: none; }
}

/* ---------- Responsive ---------- */
@media (max-width: 940px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-portrait { order: -1; max-width: 420px; }
  .about-grid { grid-template-columns: 1fr; }
  .stats { grid-template-columns: 1fr 1fr; }
  .meta-row { grid-template-columns: 1fr 1fr; }
  .outcomes { grid-template-columns: 1fr; }
  .mw-item { grid-template-columns: 1fr; }
  .mw-item:nth-child(even) .mw-media { order: 0; }
}
@media (max-width: 760px) {
  body { font-size: 16px; }
  .nav-links {
    position: fixed; inset: 68px 0 auto 0;
    flex-direction: column; align-items: stretch; gap: 4px;
    background: var(--bg); border-bottom: 1px solid var(--line);
    padding: 16px 24px 24px; box-shadow: var(--shadow-md);
    transform: translateY(-140%); z-index: 55;
    visibility: hidden; pointer-events: none;
    transition: transform .35s var(--ease), visibility 0s linear .35s;
  }
  .nav-open .nav-links { transform: translateY(0); visibility: visible; pointer-events: auto; transition: transform .35s var(--ease), visibility 0s linear 0s; }
  .nav-links a { padding: 12px 14px; font-size: 1rem; }
  .nav-links .btn { margin: 8px 0 0; justify-content: center; }
  .nav-toggle { display: block; }
  .gallery, .gallery.gallery--3 { grid-template-columns: 1fr; }
  .about-cols { grid-template-columns: 1fr; }
}
@media (max-width: 460px) {
  .stats { grid-template-columns: 1fr; }
  .meta-row { grid-template-columns: 1fr; }
  .hero-cta .btn { width: 100%; justify-content: center; }
}

/* =========================================================
   Ask Saai AI — interactive assistant module
   ========================================================= */
.ask-head { max-width: 820px; margin-bottom: clamp(28px, 4vw, 44px); }
.ask-head h2 { font-size: clamp(1.7rem, 3.2vw, 2.4rem); margin-top: 14px; }
.ask-head p { margin-top: 16px; }
.ask-tabs { display: inline-flex; gap: 5px; margin-top: 26px; padding: 5px; background: var(--bg-3); border-radius: 999px; }
.ask-tab { border: 0; background: transparent; padding: 10px 20px; border-radius: 999px; font-size: 0.92rem; font-weight: 550; color: var(--muted); cursor: pointer; transition: background .2s var(--ease), color .2s; }
.ask-tab.is-active { background: var(--card); color: var(--ink); box-shadow: var(--shadow-sm); }

.ask-grid { display: grid; grid-template-columns: 1fr 320px; gap: 22px; align-items: start; }
.ask-main { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius-lg); box-shadow: var(--shadow-md); padding: clamp(18px, 2.4vw, 28px); }
.ask-pane { display: none; }
.ask-pane.is-active { display: block; }

.ask-suggest__label { font-size: 0.72rem; letter-spacing: .14em; text-transform: uppercase; color: var(--faint); font-weight: 600; }
.ask-filters { display: flex; flex-wrap: wrap; gap: 7px; margin: 12px 0 14px; }
.ask-fchip { border: 1px solid var(--line); background: var(--bg); color: var(--muted); font-size: 0.78rem; padding: 5px 12px; border-radius: 999px; cursor: pointer; transition: background .18s, border-color .18s, color .18s; }
.ask-fchip:hover { border-color: var(--ink); color: var(--ink); }
.ask-fchip.is-active { background: var(--accent); border-color: var(--accent); color: var(--on-accent); font-weight: 600; }

.ask-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.ask-chip { border: 1px solid var(--line); background: var(--bg-2); color: var(--ink-soft); font-size: 0.86rem; padding: 8px 13px; border-radius: 999px; cursor: pointer; text-align: left; transition: background .18s, border-color .18s, color .18s, transform .18s var(--ease); }
.ask-chip:hover { background: var(--accent-soft); border-color: var(--accent); color: var(--accent); transform: translateY(-1px); }

.ask-transcript { margin-top: 18px; border-top: 1px solid var(--line-2); padding-top: 18px; max-height: 440px; overflow-y: auto; display: grid; gap: 14px; scroll-behavior: smooth; }
.ask-msg { display: flex; gap: 11px; align-items: flex-start; }
.ask-msg__av { flex: none; width: 30px; height: 30px; border-radius: 50%; display: grid; place-items: center; font-size: 0.72rem; font-weight: 600; }
.ask-msg--ai .ask-msg__av { background: var(--accent); color: var(--on-accent); font-family: var(--font-display); font-size: 0.9rem; }
.ask-msg--user { flex-direction: row-reverse; }
.ask-msg--user .ask-msg__av { background: var(--bg-3); color: var(--ink-soft); }
.ask-bubble { padding: 12px 15px; border-radius: 14px; font-size: 0.95rem; line-height: 1.55; max-width: 82%; }
.ask-msg--ai .ask-bubble { background: var(--bg-2); border: 1px solid var(--line-2); border-top-left-radius: 4px; color: var(--ink-soft); }
.ask-msg--user .ask-bubble { background: var(--bg-3); color: var(--ink); border: 1px solid var(--line); border-top-right-radius: 4px; }
.ask-bubble p { margin: 0 0 8px; }
.ask-bubble p:last-child { margin-bottom: 0; }
.ask-bubble strong { color: var(--ink); font-weight: 600; }
.ask-msg--ai .ask-bubble strong { color: var(--accent-ink); }
.ask-msg--user .ask-bubble strong { color: var(--ink); }
.ask-bubble ul { margin: 8px 0 0; padding-left: 18px; }
.ask-bubble li { margin-bottom: 5px; }
.ask-bubble a { color: var(--accent); border-bottom: 1px solid var(--line); }
.ask-bubble a:hover { border-color: var(--accent); }
.ask-badge { display: inline-flex; align-items: center; gap: 6px; margin-top: 10px; font-size: 0.74rem; font-weight: 600; color: var(--good); }

.ask-typing { display: inline-flex; gap: 4px; padding: 3px 0; }
.ask-typing span { width: 6px; height: 6px; border-radius: 50%; background: var(--faint); animation: askblink 1.2s infinite; }
.ask-typing span:nth-child(2) { animation-delay: .18s; }
.ask-typing span:nth-child(3) { animation-delay: .36s; }
@keyframes askblink { 0%, 60%, 100% { opacity: .25; transform: translateY(0); } 30% { opacity: 1; transform: translateY(-2px); } }
@media (prefers-reduced-motion: reduce) { .ask-typing span { animation: none; opacity: .5; } }

.ask-input { display: flex; gap: 10px; margin-top: 16px; }
.ask-input input { flex: 1; padding: 13px 16px; border-radius: 999px; border: 1px solid var(--line); background: var(--bg); font-size: 0.95rem; font-family: inherit; color: var(--ink); }
.ask-input input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.ask-send { flex: none; width: 46px; height: 46px; border-radius: 50%; border: 0; background: var(--accent); color: var(--on-accent); font-size: 1.15rem; line-height: 1; cursor: pointer; transition: background .2s, transform .2s var(--ease); }
.ask-send:hover { background: var(--accent-ink); transform: translateY(-1px); }
.ask-foot { margin-top: 12px; font-size: 0.78rem; color: var(--faint); }

.ask-fit__lead { color: var(--muted); font-size: 0.95rem; margin: 0 0 14px; }
.ask-pane textarea { width: 100%; padding: 14px 16px; border-radius: var(--radius-sm); border: 1px solid var(--line); background: var(--bg); font-family: inherit; font-size: 0.95rem; color: var(--ink); resize: vertical; margin-bottom: 14px; }
.ask-pane textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.ask-fit__result { margin-top: 22px; border-top: 1px solid var(--line-2); padding-top: 22px; }
.ask-fit__verdict { display: inline-flex; align-items: center; gap: 8px; padding: 7px 15px; border-radius: 999px; font-weight: 600; font-size: 0.9rem; margin-bottom: 18px; }
.ask-fit__verdict.is-strong { background: rgba(46,107,79,.12); color: var(--good); }
.ask-fit__verdict.is-good { background: var(--accent-soft); color: var(--accent-ink); }
.ask-fit__verdict.is-partial { background: var(--bg-3); color: var(--ink-soft); }
.ask-fit__list { list-style: none; padding: 0; margin: 0 0 18px; display: grid; gap: 12px; }
.ask-fit__list li { display: grid; grid-template-columns: 20px 1fr; gap: 10px; font-size: 0.94rem; color: var(--ink-soft); }
.ask-fit__list .ic { color: var(--good); font-weight: 700; }
.ask-fit__pitch { background: var(--bg-2); border: 1px solid var(--line-2); border-radius: var(--radius-sm); padding: 16px 18px; font-size: 0.95rem; color: var(--ink-soft); line-height: 1.55; }
.ask-fit__pitch strong { color: var(--ink); }
.ask-fit__pitch a { color: var(--accent); border-bottom: 1px solid var(--line); }
.ask-fit__cta { margin-top: 16px; display: flex; flex-wrap: wrap; gap: 10px; }
.ask-fit__cta a:not(.btn) { color: var(--accent); border-bottom: 1px solid var(--line); align-self: center; font-size: 0.9rem; }

.ask-side { display: grid; gap: 14px; }
.ask-card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow-sm); padding: 18px 20px; }
.ask-card__k { font-size: 0.72rem; letter-spacing: .14em; text-transform: uppercase; color: var(--faint); font-weight: 600; }
.ask-card p { margin: 8px 0 0; font-size: 0.9rem; color: var(--muted); line-height: 1.55; }
.ask-card p strong { color: var(--ink); font-weight: 600; }

@media (max-width: 940px) {
  .ask-grid { grid-template-columns: 1fr; }
  .ask-side { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .ask-side { grid-template-columns: 1fr; }
  .ask-bubble { max-width: 88%; }
  .ask-tabs { display: flex; width: 100%; }
  .ask-tab { flex: 1; text-align: center; }
}

/* =========================================================
   Testimonials — dark carousel
   ========================================================= */
.tms {
  position: relative; overflow: hidden;
  color: #EDECE7;
  --gold: #E7B980;
  background:
    radial-gradient(120% 120% at 12% 0%, #26385580 0%, rgba(38,56,85,0) 55%),
    radial-gradient(90% 90% at 100% 100%, #1b2e4d80 0%, rgba(27,46,77,0) 55%),
    linear-gradient(160deg, #17253E 0%, #0F1A2E 100%);
}
.tms::before {
  content: "\201C"; position: absolute; top: -0.12em; right: 0.03em;
  font-family: var(--font-display); font-size: 32rem; line-height: 1;
  color: #fff; opacity: .035; pointer-events: none; z-index: 0;
}
.tms .wrap { position: relative; z-index: 1; }
.tms-inner {
  display: grid; grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(34px, 5vw, 76px); align-items: center;
}
.eyebrow--onDark { color: var(--gold); }
.eyebrow--onDark::before { background: var(--gold); opacity: .8; }
.tms-head h2 { color: #fff; font-size: clamp(1.7rem, 3.2vw, 2.4rem); margin-top: 16px; }
.tms-head .lead { margin-top: 18px; color: rgba(237,236,231,.72); }
.tms-head .lead a { color: var(--gold); border-bottom: 1px solid rgba(231,185,128,.4); }
.tms-head .lead a:hover { border-color: var(--gold); }

.tms-carousel { position: relative; min-width: 0; }
.tms-viewport { overflow: hidden; border-radius: var(--radius-lg); min-width: 0; }
.tms-track { display: flex; transition: transform .6s cubic-bezier(.5,.05,.1,1); will-change: transform; }
.tms-slide {
  flex: 0 0 100%; min-width: 0; margin: 0;
  background: rgba(255,255,255,.045);
  border: 1px solid rgba(255,255,255,.09);
  border-radius: var(--radius-lg);
  padding: clamp(24px, 2.6vw, 34px);
  backdrop-filter: blur(2px);
}
.tms-mark {
  font-family: var(--font-display); font-size: 2.6rem; line-height: .5;
  color: var(--gold); height: 22px;
}
.tms-text {
  margin: 16px 0 0; font-family: var(--font-display); font-weight: 400;
  font-size: clamp(1.02rem, 1.45vw, 1.28rem); line-height: 1.5; letter-spacing: -.005em;
  color: #F4F3EE;
}
.tms-text mark {
  background: linear-gradient(transparent 58%, rgba(231,185,128,.30) 58%);
  color: #fff; padding: 0 1px; border-radius: 1px;
}
.tms-person { display: flex; align-items: center; gap: 14px; margin-top: clamp(20px, 2.4vw, 28px); }
.tms-avatar {
  flex: none; width: 52px; height: 52px; border-radius: 50%;
  background: linear-gradient(135deg, var(--a1,#3E5C8A), var(--a2,#25406B));
  color: #fff; display: grid; place-items: center;
  font-family: var(--font-display); font-weight: 500; font-size: 1.02rem;
  box-shadow: 0 0 0 1px rgba(255,255,255,.14), inset 0 1px 0 rgba(255,255,255,.22);
}
.tms-who { display: flex; flex-direction: column; margin-right: auto; min-width: 0; }
.tms-name { color: #fff; font-weight: 600; font-size: 1rem; }
.tms-role { color: rgba(237,236,231,.6); font-size: 0.84rem; margin-top: 2px; }
.tms-verified {
  flex: none; display: inline-flex; align-items: center; gap: 6px;
  font-size: 0.68rem; font-weight: 600; letter-spacing: .08em; text-transform: uppercase;
  color: var(--gold); background: rgba(231,185,128,.09);
  border: 1px solid rgba(231,185,128,.32); border-radius: 999px; padding: 6px 11px;
}
.tms-check {
  width: 14px; height: 14px; border-radius: 50%; background: var(--gold); color: #16233B;
  display: grid; place-items: center; font-size: 9px; font-weight: 800;
}

.tms-controls { display: flex; align-items: center; gap: 16px; margin-top: clamp(22px, 3vw, 30px); }
.tms-arrow {
  flex: none; width: 46px; height: 46px; border-radius: 50%;
  border: 1px solid rgba(255,255,255,.2); background: rgba(255,255,255,.05);
  color: #fff; font-size: 1.05rem; cursor: pointer; display: grid; place-items: center;
  transition: background .2s var(--ease), color .2s, border-color .2s, transform .2s var(--ease);
}
.tms-arrow:hover { background: var(--gold); color: #16233B; border-color: var(--gold); transform: translateY(-2px); }
.tms-dots { display: flex; align-items: center; gap: 9px; margin-right: auto; }
.tms-dot { width: 8px; height: 8px; padding: 0; border: 0; border-radius: 999px; background: rgba(255,255,255,.28); cursor: pointer; transition: width .35s var(--ease), background .3s; }
.tms-dot.is-active { width: 26px; background: var(--gold); }

@media (prefers-reduced-motion: reduce) {
  .tms-track { transition: none; }
}
@media (max-width: 860px) {
  .tms-inner { grid-template-columns: 1fr; gap: 26px; }
  .tms::before { font-size: 18rem; top: -0.05em; opacity: .045; }
  .tms-person { flex-wrap: wrap; }
  .tms-verified { margin-top: 4px; }
}


/* =========================================================
   MIDNIGHT STUDIO — cinematic dark system (v2)
   ========================================================= */

/* Ambient grain across the whole page for filmic depth */
body::before {
  content: ""; position: fixed; inset: 0; z-index: 0; pointer-events: none;
  opacity: var(--grain-opacity); mix-blend-mode: var(--grain-blend); background-size: 200px 200px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
.site-header, main, .site-footer { position: relative; z-index: 1; }

/* Section eyebrow gets an amber → transparent rule */
.eyebrow::before { background: linear-gradient(90deg, var(--accent), transparent); opacity: 1; }

/* ---------- HERO — cinematic ---------- */
.hero { overflow: clip; padding-top: clamp(56px, 9vw, 110px); }
.hero::before {
  content: ""; position: absolute; z-index: 0; pointer-events: none;
  inset: -20% -10% auto -10%; height: 170%;
  background:
    radial-gradient(42% 48% at 78% 6%,  rgba(255,184,77,.20), transparent 62%),
    radial-gradient(40% 46% at 100% 0%, rgba(255,184,77,.10), transparent 60%),
    radial-gradient(55% 60% at 2% 90%,  rgba(90,124,196,.12), transparent 60%);
}
.hero > .wrap { position: relative; z-index: 1; }
.hero h1 em { color: var(--accent); font-style: italic; }

/* Featured product image in a browser frame, glowing */
.hero-figure { position: relative; }
.hero-figure::before {
  content: ""; position: absolute; inset: -8% -6%; z-index: 0; pointer-events: none;
  background: radial-gradient(60% 60% at 60% 30%, rgba(255,184,77,.28), transparent 68%);
  filter: blur(24px);
}
.browserframe {
  position: relative; z-index: 1;
  background: var(--bg-2); border: 1px solid var(--line);
  border-radius: 14px; overflow: hidden; box-shadow: var(--shadow-lg);
}
.browserframe__bar {
  display: flex; align-items: center; gap: 7px;
  padding: 11px 14px; background: var(--bg-3); border-bottom: 1px solid var(--line-2);
}
.browserframe__bar i { width: 10px; height: 10px; border-radius: 50%; background: #3a3b44; display: block; }
.browserframe__bar i:nth-child(1) { background: #E4645C; }
.browserframe__bar i:nth-child(2) { background: #E5B04A; }
.browserframe__bar i:nth-child(3) { background: #59B06A; }
.browserframe__url {
  margin-left: 10px; font-size: .72rem; color: var(--faint);
  background: var(--bg); border: 1px solid var(--line-2); border-radius: 999px;
  padding: 4px 12px; letter-spacing: .02em;
}
.browserframe img { width: 100%; display: block; }
.hero-chip {
  position: absolute; z-index: 2; display: inline-flex; flex-direction: column;
  background: rgba(20,21,27,.82); border: 1px solid rgba(255,255,255,.12);
  border-radius: 14px; padding: 12px 15px; box-shadow: var(--shadow-md);
  -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
}
.hero-chip .v { font-family: var(--font-display); font-weight: 500; font-size: 1.35rem; color: #FFC96B; line-height: 1; }
.hero-chip .l { font-size: .72rem; color: #B9B8B0; margin-top: 4px; letter-spacing: .01em; }
.hero-chip--tl { top: 8%; left: -6%; }
.hero-chip--br { bottom: 8%; right: -5%; }

/* ---------- PRINCIPLES strip ---------- */
.principles { border-top: 1px solid var(--line-2); border-bottom: 1px solid var(--line-2); }
.principles-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line-2); }
.principle { background: var(--bg); padding: clamp(22px, 2.6vw, 30px) clamp(18px, 2vw, 26px); }
.principle .n { font-family: var(--font-display); font-size: 1.15rem; color: var(--accent); }
.principle p { margin: 12px 0 0; font-size: 0.95rem; color: var(--ink-soft); line-height: 1.5; }

/* ---------- STAT strip — editorial hairline dividers ---------- */
.stats { grid-template-columns: repeat(4, 1fr); gap: 0; }
.stat {
  background: transparent; border: 0; border-radius: 0; box-shadow: none;
  padding: 4px clamp(20px, 2.5vw, 40px); position: relative;
}
.stat + .stat { border-left: 1px solid var(--line); }
.stat:hover { transform: none; box-shadow: none; }
.stat::before { display: none; }
.stat .ba { font-size: 1.05rem; }
.stat .after { color: var(--ink); font-size: 1.9rem; }
.stat .big { font-size: 2.4rem; }
.stat .big .accent, .stat .after { color: var(--accent); }
.stat .label { margin-top: 10px; }
/* clickable stats → deep-link to the case study that earned the metric */
a.stat { text-decoration: none; color: inherit; display: block; cursor: pointer; }
a.stat .stat__go {
  position: absolute; top: 6px; right: clamp(20px, 2.5vw, 40px);
  font-size: .9rem; color: var(--faint);
  transition: color .2s var(--ease), transform .2s var(--ease);
}
a.stat:hover .stat__go { color: var(--accent); transform: translate(2px, -2px); }
a.stat:hover .after, a.stat:hover .big .accent { filter: brightness(1.08); }

/* ---------- WORK — editorial-row media CTA ---------- */
.media-cta {
  position: absolute; left: 16px; bottom: 16px; z-index: 2;
  display: inline-flex; align-items: center; gap: 8px;
  padding: 9px 16px; border-radius: 999px; font-size: .84rem; font-weight: 650;
  background: rgba(14,15,19,.72); color: #F5F4EF; border: 1px solid rgba(255,255,255,.18);
  -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px);
  transform: translateY(4px); opacity: .95;
  transition: transform .35s var(--ease), background .25s, color .25s, opacity .25s;
}
.media-cta .arrow { transition: transform .25s var(--ease); }
.erow:hover .media-cta,
.erow:focus-visible .media-cta { background: var(--accent); color: var(--on-accent); border-color: var(--accent); transform: translateY(0); opacity: 1; }
.erow:hover .media-cta .arrow { transform: translateX(3px); }

/* ---------- Feature BANDS (testimonials + contact) — always dark, both themes ---------- */
.tms, .contact--dark {
  --ink: #F5F4EF; --ink-soft: #D6D5CE; --muted: #9B9A93; --faint: #86857C;
  --line: rgba(255,255,255,0.10); --line-2: rgba(255,255,255,0.055);
  --card: #16171E; --bg: #0E0F13; --bg-2: #15161C; --bg-3: #1E1F27;
  --accent: #FFB84D; --accent-ink: #FFC96B; --accent-soft: rgba(255,184,77,0.12); --on-accent: #17130A;
  --gold: #FFB84D; --gold-bright: #FFC96B;
  color: #EDECE7;
  background:
    radial-gradient(60% 90% at 88% 8%, rgba(255,184,77,.10), transparent 60%),
    radial-gradient(70% 90% at 6% 100%, rgba(90,124,196,.10), transparent 60%),
    linear-gradient(160deg, #191A22 0%, #101118 100%);
}
.tms::before, .contact--dark::before { color: var(--accent); opacity: .05; }
.tms-head h2, .contact--dark h2 { color: var(--ink); }
.tms-name, .tms-text { color: var(--ink); }
.tms-text mark { background: linear-gradient(transparent 56%, rgba(255,184,77,.34) 56%); color: var(--ink); }
.tms-slide { background: rgba(255,255,255,.035); border-color: var(--line); }
.contact--dark .contact-links a.big-link { background: rgba(255,255,255,.05); border-color: var(--line); color: var(--ink); box-shadow: none; }
.contact--dark .contact-links a.big-link:hover { border-color: var(--accent); background: var(--accent-soft); color: var(--ink); transform: translateY(-3px); }
.contact--dark .contact-links a.big-link--primary { background: var(--accent); border-color: var(--accent); color: var(--on-accent); box-shadow: 0 10px 30px rgba(255,184,77,.16); }
.contact--dark .contact-links a.big-link--primary:hover { background: var(--accent-ink); border-color: var(--accent-ink); color: var(--on-accent); box-shadow: 0 14px 40px rgba(255,184,77,.24); }
.contact--dark .lead.muted { color: var(--ink-soft); }

/* grain on bands */
.tms::after, .contact--dark::after {
  content: ""; position: absolute; inset: 0; z-index: 0; pointer-events: none;
  opacity: .5; mix-blend-mode: soft-light; background-size: 170px 170px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='170' height='170'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* count-up numerals */
.stat [data-count] { font-variant-numeric: tabular-nums; }

/* ---------- Image lightbox (case studies) ---------- */
/* clickable affordance on case-study content images */
.figure img, .gallery img { cursor: zoom-in; transition: transform .28s var(--ease), box-shadow .28s var(--ease), border-color .2s var(--ease); }
.figure img:hover, .gallery img:hover { transform: translateY(-3px); border-color: color-mix(in srgb, var(--accent) 45%, var(--line)); box-shadow: 0 18px 44px rgba(0,0,0,.32); }
.figure img:focus-visible, .gallery img:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; }
.zoom-hint {
  position: absolute; top: 12px; right: 12px; z-index: 2;
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 10px; border-radius: 999px;
  font: 600 .72rem/1 var(--sans); letter-spacing: .02em;
  color: #F5F4EF; background: rgba(14,15,19,.62);
  border: 1px solid rgba(255,255,255,.16); backdrop-filter: blur(6px);
  opacity: 0; transform: translateY(-4px); transition: opacity .2s var(--ease), transform .2s var(--ease);
  pointer-events: none;
}
.figure, .gallery figure { position: relative; }
.figure:hover .zoom-hint, .gallery figure:hover .zoom-hint,
.figure img:focus-visible + .zoom-hint, .gallery img:focus-visible + .zoom-hint { opacity: 1; transform: translateY(0); }

.lightbox {
  position: fixed; inset: 0; z-index: 300;
  display: flex; align-items: center; justify-content: center;
  padding: clamp(16px, 4vw, 48px);
  opacity: 0; visibility: hidden; pointer-events: none;
  transition: opacity .26s var(--ease), visibility 0s linear .26s;
}
.lightbox.is-open { opacity: 1; visibility: visible; pointer-events: auto; transition: opacity .26s var(--ease); }
.lightbox__backdrop { position: absolute; inset: 0; background: rgba(8,9,12,.92); backdrop-filter: blur(4px); }
.lightbox__dialog {
  position: relative; z-index: 1;
  max-width: min(1100px, 94vw); max-height: 92vh;
  display: flex; flex-direction: column; align-items: center; gap: 14px;
}
.lightbox__img {
  max-width: 94vw; max-height: 80vh; width: auto; height: auto;
  object-fit: contain; border-radius: var(--radius-sm);
  border: 1px solid rgba(255,255,255,.14);
  box-shadow: 0 40px 120px rgba(0,0,0,.6);
  background: #111; transform: scale(.96); transition: transform .28s var(--ease);
}
.lightbox.is-open .lightbox__img { transform: scale(1); }
.lightbox__cap {
  max-width: 720px; text-align: center;
  font: 400 .9rem/1.5 var(--sans); color: #C9C8C1;
}
.lightbox__cap:empty { display: none; }
.lightbox__count { display: block; margin-top: 4px; font-size: .76rem; letter-spacing: .04em; color: #8C8B84; }
.lightbox__btn {
  position: absolute; z-index: 2; display: inline-flex; align-items: center; justify-content: center;
  width: 46px; height: 46px; border-radius: 50%; cursor: pointer;
  color: #F5F4EF; background: rgba(20,22,28,.7); border: 1px solid rgba(255,255,255,.18);
  backdrop-filter: blur(6px); transition: background .18s var(--ease), border-color .18s var(--ease), transform .18s var(--ease);
}
.lightbox__btn:hover { background: var(--accent); color: var(--on-accent); border-color: var(--accent); }
.lightbox__btn:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; }
.lightbox__btn svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 2.2; stroke-linecap: round; stroke-linejoin: round; }
.lightbox__close { top: clamp(12px, 3vw, 26px); right: clamp(12px, 3vw, 26px); }
.lightbox__nav { top: 50%; transform: translateY(-50%); }
.lightbox__nav:hover { transform: translateY(-50%) scale(1.06); }
.lightbox__prev { left: clamp(8px, 2vw, 22px); }
.lightbox__next { right: clamp(8px, 2vw, 22px); }
.lightbox__nav[hidden] { display: none; }
body.lightbox-open { overflow: hidden; }

/* ---------- Responsive ---------- */
@media (max-width: 940px) {
  .erow { grid-template-columns: 1fr; gap: 26px; padding: 40px 0; }
  .erow__media, .erow--flip .erow__media { order: -1; }
  .principles-grid { grid-template-columns: 1fr 1fr; }
  .hero-chip--tl { left: 2%; }
  .hero-chip--br { right: 2%; }
}
@media (max-width: 760px) {
  .hero-skim__grid { grid-template-columns: 1fr; }
  .stats { grid-template-columns: 1fr 1fr; gap: 1px; background: var(--line); }
  .stat { background: var(--bg); padding: 22px; }
  .stat + .stat { border-left: 0; }
  .principles-grid { grid-template-columns: 1fr; }
  .lightbox__btn { width: 40px; height: 40px; }
  .lightbox__nav { top: auto; bottom: 14px; transform: none; }
  .lightbox__nav:hover { transform: scale(1.06); }
  .lightbox__img { max-height: 72vh; }
}