/* ------------------------------------------------------------------
   LOOP MEDIA — 2026
   Minimal, editorial, results-first.
   Palette preserved from the legacy brand.
------------------------------------------------------------------- */

:root {
  /* brand */
  --navy: #0b1851;
  --navy-900: #070f33;
  --navy-700: #162372;
  --crimson: #90022d;
  --crimson-bright: #b3153f;

  /* neutrals */
  --paper: #f6f5f0;
  --paper-warm: #efece2;
  --ink: #0b1851;
  --ink-soft: #535a7a;
  --rule: rgba(11, 24, 81, 0.12);

  /* system */
  --radius: 14px;
  --radius-lg: 22px;
  --ease: cubic-bezier(.2,.7,.2,1);
  --dur-fast: .25s;
  --dur: .5s;
  --dur-slow: .9s;

  /* type */
  --font-sans: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  --font-display: 'Instrument Serif', 'Playfair Display', Georgia, serif;
  --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;

  /* scale (dialed down April 2026 — was over-sized on typical laptops) */
  --step--1: clamp(0.82rem, 0.8rem + 0.15vw, 0.9rem);
  --step-0:  clamp(0.98rem, 0.93rem + 0.22vw, 1.08rem);
  --step-1:  clamp(1.1rem,  1.0rem + 0.4vw,   1.25rem);
  --step-2:  clamp(1.3rem,  1.15rem + 0.7vw,  1.55rem);
  --step-3:  clamp(1.55rem, 1.25rem + 1.3vw,  2.1rem);
  --step-4:  clamp(2rem,    1.5rem + 2.2vw,   3.2rem);
  --step-5:  clamp(2.4rem,  1.7rem + 3vw,     4.2rem);
  --step-6:  clamp(2.8rem,  1.9rem + 4vw,     5.5rem);
}

/* ------------------------------------------------------------------ reset */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-sans);
  font-size: var(--step-0);
  line-height: 1.55;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img, video, svg { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }

/* hide native cursor where the custom one is active, but not on touch */
@media (hover: hover) and (pointer: fine) {
  html.cursor-ready, html.cursor-ready * { cursor: none; }
  html.cursor-ready a, html.cursor-ready button, html.cursor-ready [data-hover] { cursor: none; }
}

/* ------------------------------------------------------------------ layout */
.container {
  width: min(100% - 2rem, 1200px);
  margin-inline: auto;
}
.container-narrow {
  width: min(100% - 2rem, 840px);
  margin-inline: auto;
}
section { padding-block: clamp(3.5rem, 7vw, 6.5rem); }
.rule { border: 0; height: 1px; background: var(--rule); margin: 0; }

/* ------------------------------------------------------------------ typography */
h1, h2, h3, h4 { margin: 0; font-weight: 500; letter-spacing: -0.02em; line-height: 1.02; }
h1 { font-size: var(--step-6); }
h2 { font-size: var(--step-5); line-height: 1.03; }
h3 { font-size: var(--step-3); line-height: 1.1; letter-spacing: -0.015em; }
h4 { font-size: var(--step-1); }
p { margin: 0; }
.display { font-family: var(--font-display); font-weight: 400; font-style: italic; }
.mono { font-family: var(--font-mono); font-size: var(--step--1); letter-spacing: 0.02em; text-transform: uppercase; }
.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--crimson);
  display: inline-flex;
  align-items: center;
  gap: .75rem;
}
.eyebrow::before {
  content: '';
  width: 28px; height: 1px; background: var(--crimson);
}
.lede {
  font-size: var(--step-2);
  line-height: 1.35;
  color: var(--ink);
  max-width: 38ch;
  letter-spacing: -0.01em;
}
.muted { color: var(--ink-soft); }

/* ------------------------------------------------------------------ header */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 60;
  padding-block: 1.1rem;
  transition: background var(--dur) var(--ease), backdrop-filter var(--dur) var(--ease), border-color var(--dur) var(--ease);
  border-bottom: 1px solid transparent;
}
.site-header.is-scrolled {
  background: rgba(246, 245, 240, 0.82);
  backdrop-filter: saturate(140%) blur(14px);
  -webkit-backdrop-filter: saturate(140%) blur(14px);
  border-bottom-color: var(--rule);
}
.site-header .bar {
  display: flex; align-items: center; justify-content: space-between;
  gap: 2rem;
}
.brand {
  display: inline-flex; align-items: baseline; gap: .5ch;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.5rem;
  letter-spacing: -0.01em;
}
.brand .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--crimson); display: inline-block; transform: translateY(-2px); margin-left: 2px; }
.nav {
  display: flex; gap: 2rem; align-items: center;
  font-size: 0.95rem;
}
.nav a { position: relative; padding-block: 4px; color: var(--ink); }
.nav a::after {
  content: ''; position: absolute; left: 0; right: 0; bottom: 0;
  height: 1px; background: currentColor; transform: scaleX(0); transform-origin: right;
  transition: transform var(--dur-fast) var(--ease);
}
.nav a:hover::after { transform: scaleX(1); transform-origin: left; }
.nav-cta {
  background: var(--ink); color: var(--paper);
  padding: .6rem 1.1rem; border-radius: 999px;
  font-size: .88rem; letter-spacing: -0.005em;
  transition: background var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease);
}
.nav-cta:hover { background: var(--crimson); transform: translateY(-1px); }

/* Hamburger — only visible on mobile */
.nav-toggle {
  display: none;
  align-items: center; gap: .55rem;
  padding: .5rem .9rem;
  border-radius: 999px;
  border: 1px solid var(--rule);
  background: transparent;
  font-size: .85rem;
  letter-spacing: .02em;
}
.nav-toggle .bars { position: relative; width: 16px; height: 10px; display: inline-block; }
.nav-toggle .bars::before,
.nav-toggle .bars::after {
  content: ''; position: absolute; left: 0; right: 0; height: 1.4px; background: currentColor;
  transition: transform var(--dur-fast) var(--ease), top var(--dur-fast) var(--ease), bottom var(--dur-fast) var(--ease);
}
.nav-toggle .bars::before { top: 2px; }
.nav-toggle .bars::after  { bottom: 2px; }
.nav-toggle[aria-expanded="true"] .bars::before { top: 4px; transform: rotate(45deg); }
.nav-toggle[aria-expanded="true"] .bars::after  { bottom: 4px; transform: rotate(-45deg); }

@media (max-width: 820px) {
  .site-header .bar { position: relative; }
  .nav { display: none; }
  .nav-cta { display: none; }
  .nav-toggle { display: inline-flex; }

  .site-header.is-open .nav {
    display: flex;
    position: absolute;
    top: calc(100% + .5rem);
    left: 1rem; right: 1rem;
    background: var(--paper);
    border: 1px solid var(--rule);
    border-radius: var(--radius);
    padding: 1.25rem 1.5rem;
    flex-direction: column;
    align-items: stretch;
    gap: .25rem;
    box-shadow: 0 30px 50px -20px rgba(11, 24, 81, 0.25);
  }
  .site-header.is-open .nav a {
    padding: .75rem 0;
    font-size: 1.1rem;
    border-bottom: 1px solid var(--rule);
  }
  .site-header.is-open .nav a:last-child { border-bottom: 0; }
  .site-header.is-open .nav a::after { display: none; }
}

/* ------------------------------------------------------------------ hero */
.hero {
  padding-top: clamp(5.5rem, 11vh, 7.5rem);
  padding-bottom: clamp(3rem, 6vw, 5rem);
  position: relative;
}
.hero .ticker {
  display: flex; align-items: center; gap: .75rem;
  color: var(--ink-soft);
  margin-bottom: 2rem;
}
.hero .ticker .pulse {
  width: 8px; height: 8px; border-radius: 50%;
  background: #1fd36a;
  box-shadow: 0 0 0 0 rgba(31, 211, 106, .55);
  animation: pulse 2.4s var(--ease) infinite;
}
@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 rgba(31, 211, 106, .55); }
  70%  { box-shadow: 0 0 0 14px rgba(31, 211, 106, 0); }
  100% { box-shadow: 0 0 0 0 rgba(31, 211, 106, 0); }
}
.hero-title {
  font-size: var(--step-6);
  letter-spacing: -0.03em;
  line-height: 1.0;
  font-weight: 500;
  max-width: 22ch;
}
.hero-title .swash {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 400;
  color: var(--crimson);
  letter-spacing: -0.01em;
}
.hero-foot {
  margin-top: clamp(2rem, 4vw, 3rem);
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 2.5rem;
  align-items: end;
}
.hero-foot p { max-width: 42ch; color: var(--ink-soft); font-size: var(--step-0); line-height: 1.55; }
.hero-actions { display: flex; gap: .75rem; flex-wrap: wrap; justify-self: end; }
@media (max-width: 720px) {
  .hero-foot { grid-template-columns: 1fr; }
  .hero-actions { justify-self: start; }
}

/* buttons */
.btn {
  display: inline-flex; align-items: center; gap: .65rem;
  padding: .85rem 1.35rem;
  border-radius: 999px;
  font-size: .95rem;
  letter-spacing: -0.005em;
  transition: transform var(--dur-fast) var(--ease), background var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
}
.btn-primary { background: var(--ink); color: var(--paper); }
.btn-primary:hover { background: var(--crimson); transform: translateY(-2px); }
.btn-ghost { background: transparent; color: var(--ink); border: 1px solid var(--rule); }
.btn-ghost:hover { border-color: var(--ink); transform: translateY(-2px); }
.btn .arrow {
  width: 18px; height: 18px;
  transition: transform var(--dur-fast) var(--ease);
}
.btn:hover .arrow { transform: translateX(4px); }

/* ------------------------------------------------------------------ marquee */
.marquee {
  padding-block: 3.5rem;
  border-block: 1px solid var(--rule);
  overflow: hidden;
  background: var(--paper);
}
.marquee-track {
  display: flex; gap: 3.5rem;
  width: max-content;
  animation: slide 40s linear infinite;
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(1.6rem, 3.5vw, 2.8rem);
  color: var(--ink);
}
.marquee-track span { display: inline-flex; align-items: center; gap: 3.5rem; }
.marquee-track span::after {
  content: '✺'; color: var(--crimson); font-style: normal;
  font-family: var(--font-sans); font-size: 1rem; transform: translateY(-4px);
}
@keyframes slide { to { transform: translateX(-50%); } }
.marquee:hover .marquee-track { animation-play-state: paused; }

/* ------------------------------------------------------------------ section headers */
.section-head {
  display: grid; grid-template-columns: 1fr 1.3fr; gap: 3rem;
  align-items: end; margin-bottom: clamp(3rem, 6vw, 5rem);
}
@media (max-width: 820px) { .section-head { grid-template-columns: 1fr; gap: 1.5rem; } }

/* ------------------------------------------------------------------ services */
.services {
  background: var(--paper);
}
.service-list {
  display: grid;
  border-top: 1px solid var(--rule);
}
.service {
  display: grid;
  grid-template-columns: 3rem 1fr 2fr 2rem;
  gap: 2rem;
  padding-block: 2.4rem;
  border-bottom: 1px solid var(--rule);
  align-items: center;
  transition: padding var(--dur) var(--ease);
  position: relative;
}
.service::before {
  content: ''; position: absolute; inset: 0;
  background: var(--ink); transform: scaleY(0); transform-origin: bottom;
  transition: transform var(--dur) var(--ease);
  z-index: 0;
}
.service > * { position: relative; z-index: 1; transition: color var(--dur) var(--ease); }
.service:hover::before { transform: scaleY(1); transform-origin: top; }
.service:hover > * { color: var(--paper); }
.service:hover .service-num { color: var(--crimson-bright); }
.service:hover .service-arrow { transform: translate(4px, -4px); color: var(--paper); }

.service-num { font-family: var(--font-mono); font-size: .9rem; color: var(--ink-soft); }
.service-title { font-size: var(--step-3); letter-spacing: -0.02em; line-height: 1; font-weight: 500; }
.service-desc { color: var(--ink-soft); max-width: 52ch; }
.service-arrow {
  width: 22px; height: 22px; color: var(--ink-soft); justify-self: end;
  transition: transform var(--dur) var(--ease), color var(--dur) var(--ease);
}
@media (max-width: 820px) {
  .service {
    grid-template-columns: 2.2rem 1fr;
    gap: .5rem 1rem;
    padding-block: 1.8rem;
  }
  .service-desc { grid-column: 2 / -1; }
  .service-arrow { display: none; }
}

/* ------------------------------------------------------------------ work */
.work { background: var(--paper-warm); }
.work-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 1.5rem;
}
.work-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--ink);
  color: var(--paper);
  aspect-ratio: 4 / 3;
  padding: 2rem;
  display: flex; flex-direction: column; justify-content: space-between;
  isolation: isolate;
  transition: transform var(--dur) var(--ease);
}
.work-card::before {
  content: ''; position: absolute; inset: 0; z-index: -1;
  background: radial-gradient(120% 80% at 80% 20%, var(--navy-700), var(--navy) 60%, var(--navy-900));
}
.work-card:hover { transform: translateY(-6px); }
.work-card.feature { grid-column: span 4; aspect-ratio: 16 / 10; }
.work-card.half { grid-column: span 3; }
.work-card.third { grid-column: span 2; aspect-ratio: 3 / 4; }
.work-card.crimson::before { background: radial-gradient(120% 80% at 20% 80%, var(--crimson-bright), var(--crimson) 60%, #5a0220); }
.work-card.paper { background: var(--paper); color: var(--ink); }
.work-card.paper::before { background: linear-gradient(180deg, var(--paper), var(--paper-warm)); }
.work-card.paper .work-meta, .work-card.paper .work-headline .muted { color: var(--ink-soft); }

.work-meta {
  display: flex; justify-content: space-between; align-items: center;
  font-family: var(--font-mono); font-size: .78rem; letter-spacing: .12em; text-transform: uppercase;
  color: rgba(246,245,240,.65);
}
.work-headline {
  font-size: var(--step-3); line-height: 1.05; letter-spacing: -0.02em; font-weight: 500;
  max-width: 18ch;
}
.work-headline .accent { font-family: var(--font-display); font-style: italic; color: var(--crimson-bright); font-weight: 400; }
.work-card.paper .work-headline .accent { color: var(--crimson); }
.work-card.crimson .work-headline .accent { color: var(--ink); }
.work-card.crimson .work-meta { color: rgba(246,245,240,.75); }
.work-stat { font-size: var(--step-4); font-weight: 500; letter-spacing: -0.03em; }
.work-stat .unit { font-family: var(--font-display); font-style: italic; font-weight: 400; font-size: .55em; color: var(--crimson-bright); margin-left: .2em; }

@media (max-width: 980px) {
  .work-grid { grid-template-columns: repeat(2, 1fr); }
  .work-card.feature, .work-card.half, .work-card.third { grid-column: span 2; aspect-ratio: 16/10; }
}
@media (max-width: 560px) {
  .work-grid { grid-template-columns: 1fr; }
  .work-card.feature, .work-card.half, .work-card.third { grid-column: 1; aspect-ratio: 4/3; }
}

/* ------------------------------------------------------------------ about */
.about { background: var(--ink); color: var(--paper); }
.about .eyebrow { color: var(--crimson-bright); }
.about .eyebrow::before { background: var(--crimson-bright); }
.about-head { margin-bottom: 0; }
.about-headline {
  font-size: var(--step-5);
  line-height: 1.05;
  letter-spacing: -0.02em;
  max-width: 22ch;
  font-weight: 500;
}
.about-headline .highlight {
  font-family: var(--font-display); font-style: italic; color: var(--crimson-bright); font-weight: 400;
}
.about-body {
  margin-top: clamp(2.5rem, 5vw, 4rem);
  display: grid; grid-template-columns: 1fr 1fr; gap: 3rem;
}
.about-body p { color: rgba(246,245,240,.72); max-width: 52ch; font-size: var(--step-1); line-height: 1.6; }
.stats {
  margin-top: clamp(4rem, 8vw, 6rem);
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  border-top: 1px solid rgba(246,245,240,.15);
  padding-top: 3rem;
}
.stat-n {
  font-size: var(--step-5);
  font-weight: 500;
  letter-spacing: -0.03em;
  display: flex; align-items: baseline; gap: .1em;
}
.stat-n .unit { font-family: var(--font-display); font-style: italic; color: var(--crimson-bright); font-weight: 400; font-size: .55em; }
.stat-k { color: rgba(246,245,240,.6); margin-top: .75rem; font-size: 1rem; }
@media (max-width: 820px) {
  .about-body { grid-template-columns: 1fr; }
  .stats { grid-template-columns: repeat(2, 1fr); }
}

/* ------------------------------------------------------------------ contact */
.contact {
  background: var(--paper);
}
.contact-headline {
  font-size: var(--step-6);
  line-height: .95;
  letter-spacing: -0.04em;
  font-weight: 500;
}
.contact-headline .mail {
  font-family: var(--font-display); font-style: italic; color: var(--crimson); font-weight: 400;
  text-decoration: underline; text-decoration-thickness: 2px; text-underline-offset: 12px;
  transition: color var(--dur-fast) var(--ease);
}
.contact-headline .mail:hover { color: var(--ink); }
.contact-grid {
  margin-top: clamp(3rem, 6vw, 4.5rem);
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 3rem;
  border-top: 1px solid var(--rule);
  padding-top: 3rem;
}
.contact-col h4 { font-size: .9rem; font-family: var(--font-mono); text-transform: uppercase; letter-spacing: .12em; color: var(--ink-soft); font-weight: 500; margin-bottom: 1rem; }
.contact-col a { display: block; font-size: var(--step-1); padding-block: .35rem; }
.contact-col a:hover { color: var(--crimson); }
@media (max-width: 820px) { .contact-grid { grid-template-columns: 1fr; gap: 2rem; } }

/* ------------------------------------------------------------------ footer */
.site-footer {
  background: var(--ink);
  color: var(--paper);
  padding-block: 3rem 2rem;
}
.site-footer .bar {
  display: flex; justify-content: space-between; align-items: center; gap: 2rem; flex-wrap: wrap;
  font-size: .9rem;
  color: rgba(246,245,240,.6);
}
.site-footer a:hover { color: var(--crimson-bright); }

/* ------------------------------------------------------------------ custom cursor */
.cursor {
  position: fixed; top: 0; left: 0; z-index: 999;
  pointer-events: none;
  mix-blend-mode: difference;
  will-change: transform;
}
.cursor-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: #f6f5f0;
  transform: translate(-50%, -50%);
  transition: transform .12s linear, opacity .2s var(--ease);
}
.cursor-ring {
  width: 36px; height: 36px; border-radius: 50%;
  border: 1px solid rgba(246,245,240,.6);
  transform: translate(-50%, -50%);
  transition: width .3s var(--ease), height .3s var(--ease), border-color .3s var(--ease), opacity .2s var(--ease);
}
.cursor.is-hover .cursor-ring { width: 64px; height: 64px; border-color: rgba(246,245,240,.9); }
.cursor.is-hidden .cursor-dot, .cursor.is-hidden .cursor-ring { opacity: 0; }
@media (hover: none), (pointer: coarse) { .cursor { display: none; } }

/* ------------------------------------------------------------------ reveal animation */
[data-reveal] { opacity: 0; transform: translateY(28px); transition: opacity 1s var(--ease), transform 1s var(--ease); }
[data-reveal].is-in { opacity: 1; transform: none; }
[data-reveal-stagger] > * { opacity: 0; transform: translateY(20px); transition: opacity .9s var(--ease), transform .9s var(--ease); }
[data-reveal-stagger].is-in > * { opacity: 1; transform: none; }
[data-reveal-stagger].is-in > *:nth-child(2) { transition-delay: .08s; }
[data-reveal-stagger].is-in > *:nth-child(3) { transition-delay: .16s; }
[data-reveal-stagger].is-in > *:nth-child(4) { transition-delay: .24s; }
[data-reveal-stagger].is-in > *:nth-child(5) { transition-delay: .32s; }
[data-reveal-stagger].is-in > *:nth-child(6) { transition-delay: .4s; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .001ms !important;
    transition-duration: .001ms !important;
    animation-iteration-count: 1 !important;
  }
  [data-reveal], [data-reveal-stagger] > * { opacity: 1; transform: none; }
  .cursor { display: none; }
}

/* ------------------------------------------------------------------ case study page */
.case-hero {
  padding-top: clamp(8rem, 16vh, 12rem);
  padding-bottom: clamp(3rem, 6vw, 5rem);
}
.case-kicker { display: flex; gap: 1rem; color: var(--ink-soft); font-family: var(--font-mono); font-size: .85rem; letter-spacing: .1em; text-transform: uppercase; margin-bottom: 2rem; }
.case-kicker a:hover { color: var(--crimson); }
.case-title {
  font-size: var(--step-6);
  line-height: .95;
  letter-spacing: -0.035em;
  font-weight: 500;
  max-width: 16ch;
}
.case-title .accent { font-family: var(--font-display); font-style: italic; color: var(--crimson); font-weight: 400; }
.case-meta {
  margin-top: clamp(3rem, 6vw, 4rem);
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 2rem;
  border-top: 1px solid var(--rule);
  padding-top: 2rem;
}
.case-meta dt { font-family: var(--font-mono); font-size: .78rem; letter-spacing: .12em; text-transform: uppercase; color: var(--ink-soft); margin-bottom: .5rem; }
.case-meta dd { margin: 0; font-size: 1.05rem; }
.case-section {
  padding-block: clamp(3rem, 6vw, 5rem);
}
.case-section.dark { background: var(--ink); color: var(--paper); }
.case-section.dark .muted { color: rgba(246,245,240,.65); }
.case-body {
  display: grid; grid-template-columns: 1fr 2fr; gap: 3rem;
  max-width: 1100px; margin-inline: auto;
}
.case-body p { color: var(--ink-soft); font-size: var(--step-1); line-height: 1.6; max-width: 58ch; margin-bottom: 1.25rem; }
.case-section.dark .case-body p { color: rgba(246,245,240,.75); }
.case-body h3 { font-size: var(--step-2); letter-spacing: -0.02em; }
@media (max-width: 820px) {
  .case-meta { grid-template-columns: 1fr 1fr; }
  .case-body { grid-template-columns: 1fr; gap: 1rem; }
}
.result-strip {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem;
  margin-top: 3rem;
  border-top: 1px solid rgba(246,245,240,.15);
  padding-top: 2.5rem;
}
.result-strip .result-n {
  font-size: var(--step-5);
  font-weight: 500; letter-spacing: -0.03em;
  line-height: 1;
}
.result-strip .result-n .unit { font-family: var(--font-display); font-style: italic; color: var(--crimson-bright); font-weight: 400; font-size: .5em; margin-left: .15em; }
.result-strip .result-k { color: rgba(246,245,240,.65); margin-top: .75rem; font-size: .95rem; }
@media (max-width: 820px) { .result-strip { grid-template-columns: 1fr; } }

/* small helper: hide on mobile */
@media (max-width: 560px) { .hide-sm { display: none; } }

/* ------------------------------------------------------------------ mobile tuning */
@media (max-width: 720px) {
  section { padding-block: clamp(3rem, 9vw, 4.5rem); }
  .section-head { margin-bottom: 2rem; gap: 1rem; }
  .hero { padding-top: 5rem; padding-bottom: 2.5rem; }
  .hero-title { max-width: none; letter-spacing: -0.02em; line-height: 1.04; }
  .hero .ticker { margin-bottom: 1.25rem; font-size: .78rem; }
  .hero-foot { margin-top: 1.75rem; gap: 1.5rem; }

  .marquee { padding-block: 2rem; }
  .marquee-track { font-size: 1.6rem; gap: 2rem; }
  .marquee-track span { gap: 2rem; }

  .service { padding-block: 1.4rem; gap: .4rem 1rem; grid-template-columns: 2rem 1fr; }
  .service-num { font-size: .78rem; }
  .service-title { font-size: 1.35rem; letter-spacing: -0.01em; }
  .service-desc { font-size: .95rem; line-height: 1.5; margin-top: .25rem; }

  .work-grid { gap: 1rem; }
  .work-card { padding: 1.25rem; border-radius: 16px; }
  .work-headline { font-size: 1.4rem; line-height: 1.15; }
  .work-stat { font-size: 2.2rem; }
  .work-meta { font-size: .7rem; }

  .about-head { grid-template-columns: 1fr; }
  .about-body { gap: 1.5rem; margin-top: 2rem; }
  .about-body p { font-size: 1rem; line-height: 1.55; }
  .stats { margin-top: 2.5rem; padding-top: 2rem; grid-template-columns: 1fr 1fr; gap: 1.5rem; }
  .stat-n { font-size: 2.4rem; }
  .stat-k { margin-top: .4rem; font-size: .88rem; }

  .contact-headline {
    font-size: var(--step-4);
    line-height: 1.05;
    letter-spacing: -0.02em;
  }
  .contact-headline .mail { text-underline-offset: 6px; text-decoration-thickness: 1.5px; }
  .contact-grid { margin-top: 2rem; padding-top: 2rem; gap: 1.75rem; }
  .contact-col a { font-size: 1.05rem; }

  .case-hero { padding-top: 5rem; padding-bottom: 1.5rem; }
  .case-title { font-size: var(--step-4); max-width: none; letter-spacing: -0.02em; }
  .case-kicker { margin-bottom: 1.25rem; font-size: .75rem; gap: .5rem; }
  .case-meta { grid-template-columns: 1fr 1fr; gap: 1rem 1rem; margin-top: 2rem; padding-top: 1.5rem; }
  .case-meta dd { font-size: .95rem; }
  .case-section { padding-block: 2.5rem; }
  .case-body h3 { font-size: 1.5rem; }
  .case-body p { font-size: 1rem; line-height: 1.55; }
  .result-strip { gap: 1.5rem; margin-top: 2rem; padding-top: 2rem; }
  .result-strip .result-n { font-size: 2.3rem; }

  .site-footer { padding-block: 2rem 1.5rem; }
  .site-footer .bar { gap: 1rem; font-size: .82rem; }

  .btn { padding: .75rem 1.1rem; font-size: .9rem; }
}

@media (max-width: 420px) {
  .brand { font-size: 1.25rem; }
  .nav-toggle-label { display: none; }
  .nav-toggle { padding: .5rem; }
  .hero-title { font-size: clamp(2rem, 8.5vw, 2.8rem); }
  .about-headline { font-size: clamp(1.8rem, 7vw, 2.5rem); }
  .contact-headline { font-size: clamp(1.9rem, 8vw, 2.6rem); }
  .case-title { font-size: clamp(1.9rem, 7.5vw, 2.6rem); }
  .stats { grid-template-columns: 1fr; }
}