/* ─────────────────────────────────────────────────────────────────────────
   KP × Hello Robot - Main Stylesheet
   ───────────────────────────────────────────────────────────────────────── */

/* ── DESIGN TOKENS ────────────────────────────────────────────────────────── */
:root {
  --ink:     #17151b;
  --purple:  #2b0b52;
  --violet:  #5b3aa4;
  --lav:     #eee9f7;
  --soft:    #f5f4f2;
  --line:    #dedbe3;
  --white:   #fff;
  --muted:   #68646d;
}

/* ── RESET / BASE ─────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--ink);
  background: #fff;
  line-height: 1.55;
}
a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
ul { list-style: none; margin: 0; padding: 0; }

/* ── LAYOUT HELPERS ───────────────────────────────────────────────────────── */
.wrap {
  width: min(1180px, calc(100% - 48px));
  margin: auto;
}
section { padding: 110px 0; }

/* ── TYPOGRAPHY ───────────────────────────────────────────────────────────── */
.eyebrow, .kicker {
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--violet);
  margin-bottom: 16px;
  display: block;
}
h1 {
  font-size: clamp(36px, 4.5vw, 62px);
  line-height: 1.05;
  letter-spacing: -.045em;
  margin: 0 0 28px;
}
h2 {
  font-size: clamp(38px, 5vw, 68px);
  line-height: 1;
  letter-spacing: -.05em;
  margin: 14px 0 24px;
}
h3 { margin: 0 0 10px; }
.lead {
  font-size: 20px;
  color: var(--muted);
  line-height: 1.55;
  max-width: 730px;
}

/* ── BUTTONS ──────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 14px 22px;
  border-radius: 999px;
  background: var(--purple);
  color: #fff;
  font-weight: 700;
  font-size: 14px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: opacity .15s;
}
.btn:hover { opacity: .88; }
.btn.light { background: #fff; color: var(--purple); }
.btn.btn-outline-white {
  background: transparent;
  border-color: rgba(255,255,255,.45);
  color: #fff;
}
.btn.btn-outline-white:hover { background: rgba(255,255,255,.1); }
.btn.btn-submit { width: 100%; justify-content: center; margin-top: 8px; }

/* ── MESSAGES BAR ─────────────────────────────────────────────────────────── */
.messages-bar { padding: 0; }
.message {
  padding: 14px 20px;
  font-size: 14px;
  border-radius: 8px;
  margin: 12px 0;
}
.message-success { background: #d1fae5; color: #065f46; }
.message-error   { background: #fee2e2; color: #991b1b; }

/* ── HEADER / NAV ─────────────────────────────────────────────────────────── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid #eee;
}
nav {
  height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo {
  font-size: 28px;
  font-weight: 900;
  letter-spacing: -2px;
  color: var(--purple);
  display: flex;
  align-items: center;
}
.nav-logo-img {
  height: 32px;
  width: auto;
  object-fit: contain;
  display: block;
}
.navlinks {
  display: flex;
  gap: 28px;
  align-items: center;
  font-size: 14px;
}
.navlinks a { transition: color .15s; }
.navlinks a:hover { color: var(--violet); }
.navlinks a.active { color: var(--violet); font-weight: 700; }
.nav-toggle { display: none; background: none; border: none; font-size: 22px; cursor: pointer; }
.navlinks--open {
  display: flex !important;
  flex-direction: column;
  position: absolute;
  top: 78px; left: 0; right: 0;
  background: rgba(255,255,255,.97);
  backdrop-filter: blur(8px);
  padding: 20px 24px 28px;
  border-bottom: 1px solid var(--line);
  gap: 16px;
  z-index: 99;
}

/* ── HERO (HOME) ──────────────────────────────────────────────────────────── */
.hero {
  min-height: 720px;
  position: relative;
  overflow: hidden;
  background: linear-gradient(125deg, #ede7f5 0%, #f7f5f1 55%, #e6e2ed 100%);
}
.hero::before {
  content: "";
  position: absolute;
  width: 560px; height: 560px;
  border: 1px solid rgba(43,11,82,.13);
  border-radius: 50%;
  right: -100px; top: 30px;
}
.hero::after {
  content: "";
  position: absolute;
  width: 340px; height: 340px;
  background: rgba(91,58,164,.08);
  border-radius: 50%;
  right: 190px; bottom: -120px;
}
.hero-grid {
  min-height: 640px;
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  align-items: center;
  gap: 64px;
  position: relative;
  z-index: 2;
}
.hero p {
  font-size: 20px;
  line-height: 1.5;
  color: #55505a;
  max-width: 580px;
}
.hero-actions { display: flex; align-items: center; gap: 22px; margin-top: 34px; flex-wrap: wrap; }
.partnerline  { font-size: 13px; color: #6e6971; }
.visual {
  height: 510px;
  border-radius: 32px;
  background: #d8d5d7;
  position: relative;
}
.visual .hero-img {
  border-radius: 32px;
  overflow: hidden;
}
.photo-placeholder {
  height: 100%;
  display: flex;
  align-items: flex-end;
  padding: 28px;
  background:
    linear-gradient(180deg, transparent 30%, rgba(25,18,32,.58)),
    radial-gradient(circle at 65% 35%, #f3e6d0 0 12%, transparent 13%),
    linear-gradient(135deg, #d8d0c8, #9ea4a0 45%, #656b70);
}
.photo-label { color: #fff; max-width: 300px; font-size: 13px; line-height: 1.5; }
.photo-label strong { font-size: 17px; display: block; margin-bottom: 4px; }

/* ── PAGE HERO ────────────────────────────────────────────────────────────── */
.page-hero { padding: 100px 0 80px; }
.page-hero--light { background: linear-gradient(125deg, #ede7f5 0%, #f7f5f1 60%, #e6e2ed 100%); }
.page-hero--dark  { background: var(--purple); color: #fff; }
.page-hero--dark .eyebrow { color: #c7b7e9; }
.page-hero--dark .lead    { color: #cfc6d8; }
.page-hero--dark h1 { color: #fff; }

/* ── BREADCRUMB ───────────────────────────────────────────────────────────── */
.breadcrumb-bar {
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
  font-size: 13px;
  color: var(--muted);
}
.breadcrumb-bar a { color: var(--violet); }
.breadcrumb-bar span { margin: 0 6px; }

/* ── PARTNERSHIP / CARDS ──────────────────────────────────────────────────── */
.partnership { background: var(--soft); }
.three {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: #d9d6dc;
  margin-top: 62px;
  border: 1px solid #d9d6dc;
}
.card {
  background: var(--soft);
  padding: 34px;
  min-height: 265px;
}
.num { font-size: 12px; font-weight: 800; color: var(--violet); }
.card h3 { font-size: 24px; line-height: 1.05; margin: 50px 0 14px; }
.card p { color: #69646d; line-height: 1.5; }

/* ── JOURNEY / STEPS ──────────────────────────────────────────────────────── */
.journey { background: var(--purple); color: white; }
.journey .kicker { color: #c7b7e9; }
.journey .lead   { color: #cfc6d8; }
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin-top: 70px;
  border-top: 1px solid rgba(255,255,255,.25);
}
.step { padding: 28px 28px 0 0; }
.step-icon { width: 32px; height: 32px; margin-bottom: 16px; display: block; }
.step b  { font-size: 14px; color: #c7b7e9; }
.step h3 { font-size: 27px; margin: 18px 0 12px; }
.step p  { color: #cfc6d8; line-height: 1.5; }

/* ── LEARN / MODULES (home) ───────────────────────────────────────────────── */
.learn-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 90px; align-items: start; }
.modules    { display: grid; gap: 0; border-top: 1px solid var(--line); }
.module {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 16px;
  padding: 25px 0;
  border-bottom: 1px solid var(--line);
  align-items: center;
}
.module-icon { width: 28px; height: 28px; display: block; }
.module h3   { margin: 0 0 8px; font-size: 20px; }
.module p    { margin: 0; color: var(--muted); line-height: 1.45; }

/* ── AI CAPTION ───────────────────────────────────────────────────────────── */
.ai-caption {
  font-size: 9px;
  color: rgba(255,255,255,.55);
  position: absolute;
  bottom: 6px;
  right: 8px;
  letter-spacing: .01em;
  line-height: 1;
  pointer-events: none;
}

/* ── IMAGE CAPTIONS ───────────────────────────────────────────────────────── */
.visual-wrap, .collage-wrap { display: flex; flex-direction: column; }
.hero-img-caption {
  font-size: 10px;
  color: #636567;
  text-align: right;
  margin: 3px 0 0;
  line-height: 1;
  transform: scale(0.6);
  transform-origin: right top;
}
.collage-caption {
  font-size: 11px;
  color: #636567;
  text-align: right;
  margin: 3px 0 0;
  line-height: 1;
}
.team-img-caption {
  font-size: 11px;
  color: #636567;
  text-align: right;
  margin: 3px 0 0;
  line-height: 1;
}

/* ── EYEBROW LOGO ─────────────────────────────────────────────────────────── */
.eyebrow-logo { margin-bottom: 22px; }
.eyebrow-logo-img { height: 36px; width: auto; object-fit: contain; display: block; }

/* ── HERO IMAGE ───────────────────────────────────────────────────────────── */
.visual { position: relative; }
.hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  border-radius: 32px;
}

/* ── ABOUT BANNER ─────────────────────────────────────────────────────────── */
.about-banner {
  position: relative;
  width: 100%;
  background: var(--soft);
  padding: 48px 0;
}
.about-banner img {
  display: block;
  max-height: 120px;
  width: auto;
  max-width: 480px;
  margin: 0 auto;
  object-fit: contain;
}

/* ── PROOF / IMPACT ───────────────────────────────────────────────────────── */
.proof { background: var(--soft); }
.proof-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 80px; align-items: center; }
.big-number {
  font-size: 180px;
  line-height: .8;
  letter-spacing: -0.03em;
  font-weight: 900;
  color: var(--purple);
}
.big-number small { display: block; font-size: 18px; letter-spacing: 0; margin-top: 28px; text-transform: uppercase; }
.collage { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; height: 430px; }
.collage-item { border-radius: 18px; overflow: hidden; position: relative; }
.collage-item:first-child { grid-row: span 2; }
.collage-item img { width: 100%; height: 100%; object-fit: cover; display: block; }

/* ── CASE STUDY CARDS ─────────────────────────────────────────────────────── */
.cases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 52px;
}
.cases-grid--full { margin-top: 0; }
.case-card { border-radius: 18px; overflow: hidden; border: 1px solid var(--line); background: #fff; }
.case-img  { position: relative; height: 220px; overflow: hidden; }
.case-img img { width: 100%; height: 100%; object-fit: cover; }
.case-img-placeholder { width: 100%; height: 100%; background: linear-gradient(135deg, #d7d2cd, #9ea4a0); }
.case-img-placeholder--lg { height: 380px; border-radius: 18px; }
.case-tag {
  position: absolute; top: 14px; left: 14px;
  font-size: 11px; font-weight: 800; text-transform: uppercase; letter-spacing: .08em;
  background: var(--purple); color: #fff;
  padding: 5px 10px; border-radius: 999px;
}
.case-tag--lg {
  position: static; display: inline-block; margin-bottom: 0;
}
.case-body   { padding: 24px; }
.case-body h3 { font-size: 20px; margin: 0 0 10px; line-height: 1.2; }
.case-body p  { color: var(--muted); margin: 0 0 16px; font-size: 14px; line-height: 1.5; }
.case-semester { font-size: 12px; font-weight: 800; text-transform: uppercase; letter-spacing: .1em; color: var(--violet); display: block; margin-bottom: 6px; }
.case-students { font-size: 13px; color: var(--muted); font-style: italic; margin: 4px 0 12px; }
.case-link { font-size: 14px; font-weight: 700; color: var(--violet); }
.case-link:hover { text-decoration: underline; }

/* Case detail */
.case-detail-layout { display: grid; grid-template-columns: 1fr 320px; gap: 64px; align-items: start; }
.case-detail-img    { border-radius: 18px; width: 100%; height: 400px; object-fit: cover; margin-bottom: 32px; }
.case-prose p  { color: var(--muted); line-height: 1.7; margin-bottom: 20px; }
.sidebar-card  { background: var(--soft); border-radius: 16px; padding: 28px; margin-bottom: 24px; }
.sidebar-card h4 { margin: 0 0 18px; font-size: 16px; }
.sidebar-card dl { margin: 0; display: grid; gap: 10px; }
.sidebar-card dt { font-size: 11px; font-weight: 800; text-transform: uppercase; color: var(--violet); margin-bottom: -4px; }
.sidebar-card dd { margin: 0; color: var(--ink); font-size: 15px; }
.sidebar-actions { display: flex; flex-direction: column; gap: 14px; }
.back-link { font-size: 14px; color: var(--violet); font-weight: 700; }

/* ── ABOUT ────────────────────────────────────────────────────────────────── */
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: start; }
.origin-visual { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.stat-block {
  background: var(--lav);
  border-radius: 18px;
  padding: 28px 24px;
  display: flex; flex-direction: column; gap: 8px;
}
.stat-num   { font-size: 48px; font-weight: 900; line-height: 1; color: var(--purple); letter-spacing: -.04em; }
.stat-label { font-size: 13px; color: var(--muted); text-transform: uppercase; letter-spacing: .08em; font-weight: 700; }
.partner-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 52px; }
.partner-card  { background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 32px; }
.partner-logo-area { height: 56px; display: flex; align-items: center; margin-bottom: 20px; }
.partner-logo-text { font-size: 22px; font-weight: 900; color: var(--ink); }
.partner-card h3   { font-size: 18px; margin: 0 0 14px; line-height: 1.2; }
.partner-card p    { color: var(--muted); font-size: 14px; line-height: 1.6; }
.partner-list { margin: 16px 0; padding: 0 0 0 16px; list-style: disc; color: var(--muted); font-size: 14px; }
.partner-list li   { margin-bottom: 6px; }
.partner-link { font-size: 14px; font-weight: 700; color: var(--violet); }
.team-org-label { font-size: 15px; text-transform: uppercase; letter-spacing: .1em; color: var(--violet); font-weight: 800; margin: 52px 0 20px; }
.team-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.team-card { display: flex; flex-direction: column; gap: 6px; }
.team-photo {
  width: 100%; aspect-ratio: 1;
  border-radius: 16px;
  background: linear-gradient(135deg, #d7d2cd, #9ea4a0);
  overflow: hidden;
  margin-bottom: 8px;
  position: relative;
}
.team-photo img { width: 100%; height: 100%; object-fit: cover; }
.team-card strong { font-size: 16px; }
.team-card span   { font-size: 13px; color: var(--muted); }
.team-card a      { font-size: 13px; color: var(--violet); font-weight: 700; }

/* ── PROGRAM PAGE ─────────────────────────────────────────────────────────── */
.program-overview  { background: var(--soft); padding: 60px 0; }
.overview-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.ov-stat   { background: var(--soft); padding: 36px 32px; }
.ov-num    { font-size: 56px; font-weight: 900; color: var(--purple); letter-spacing: -.05em; display: block; }
.ov-label  { font-size: 13px; text-transform: uppercase; letter-spacing: .1em; color: var(--muted); font-weight: 700; }
.module-detail {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 48px;
  padding: 56px 0;
  border-bottom: 1px solid var(--line);
}
.module-detail--alt { background: var(--soft); padding-left: 32px; padding-right: 32px; border-radius: 18px; border-bottom: none; margin-bottom: 1px; }
.module-meta   { display: flex; flex-direction: column; gap: 12px; padding-top: 4px; }
.module-num    { font-size: 36px; font-weight: 900; color: var(--purple); letter-spacing: -.04em; }
.module-duration { font-size: 12px; font-weight: 800; text-transform: uppercase; letter-spacing: .08em; color: var(--violet); }
.module-header { display: flex; align-items: baseline; gap: 14px; margin-bottom: 14px; flex-wrap: wrap; }
.module-content h3  { font-size: 32px; margin: 0; letter-spacing: -.02em; }
.module-subtitle    { font-size: 14px; color: var(--muted); font-weight: 600; }
.module-content > p { color: var(--muted); line-height: 1.6; max-width: 640px; margin-bottom: 24px; }
.module-outcomes strong { font-size: 12px; text-transform: uppercase; letter-spacing: .1em; color: var(--violet); display: block; margin-bottom: 12px; }
.module-outcomes ul { display: grid; gap: 8px; }
.module-outcomes li { font-size: 14px; color: var(--muted); padding-left: 18px; position: relative; }
.module-outcomes li::before { content: "→"; position: absolute; left: 0; color: var(--violet); }
.tools-section { background: var(--soft); }
.tools-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 52px; }
.tool-item {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 24px 20px;
  display: flex; flex-direction: column; gap: 6px;
}
.tool-item strong { font-size: 17px; }
.tool-item span   { font-size: 13px; color: var(--muted); }
.faq-list  { display: grid; gap: 0; border-top: 1px solid var(--line); margin-top: 48px; }
.faq-item  { border-bottom: 1px solid var(--line); }
.faq-item summary {
  padding: 22px 0;
  font-size: 18px;
  font-weight: 700;
  cursor: pointer;
  list-style: none;
  display: flex; justify-content: space-between;
}
.faq-item summary::after { content: "+"; color: var(--violet); font-size: 22px; }
.faq-item[open] summary::after { content: "−"; }
.faq-item p { color: var(--muted); line-height: 1.65; padding-bottom: 22px; margin: 0; }

/* ── FILTERS (case studies) ───────────────────────────────────────────────── */
.filters-section { padding: 32px 0; border-bottom: 1px solid var(--line); }
.filter-bar { display: flex; gap: 10px; flex-wrap: wrap; }
.filter-btn { padding: 8px 18px; border-radius: 999px; font-size: 13px; font-weight: 700; border: 1px solid var(--line); color: var(--muted); transition: all .15s; }
.filter-btn:hover, .filter-btn--active { background: var(--purple); color: #fff; border-color: var(--purple); }
.empty-state { text-align: center; padding: 80px 0; color: var(--muted); }

/* ── CONTACT FORM ─────────────────────────────────────────────────────────── */
.contact-layout { display: grid; grid-template-columns: 1fr 380px; gap: 80px; align-items: start; padding-top: 64px; padding-bottom: 80px; }
.contact-form-title { font-size: 28px; margin: 0 0 32px; }
.form-row--2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group  { display: flex; flex-direction: column; gap: 6px; margin-bottom: 16px; }
.form-group label { font-size: 13px; font-weight: 700; }
.req         { color: var(--violet); }
.form-input, .form-textarea {
  padding: 12px 16px;
  border: 1px solid var(--line);
  border-radius: 10px;
  font-size: 15px;
  font-family: inherit;
  color: var(--ink);
  background: #fafafa;
  transition: border-color .15s;
  width: 100%;
}
.form-input:focus, .form-textarea:focus { outline: none; border-color: var(--violet); background: #fff; }
.form-textarea { resize: vertical; min-height: 140px; }
.has-error .form-input, .has-error .form-textarea { border-color: #e53e3e; }
.field-error { font-size: 12px; color: #e53e3e; }
.form-errors { background: #fee2e2; color: #991b1b; padding: 12px 16px; border-radius: 8px; margin-bottom: 16px; font-size: 14px; }
.contact-info { position: sticky; top: 100px; }
.contact-info-block { margin-bottom: 36px; }
.contact-info-block h3 { font-size: 18px; margin: 0 0 14px; }
.contact-info-block p, .contact-info-block li { font-size: 14px; color: var(--muted); line-height: 1.6; }
.contact-who { display: grid; gap: 12px; }
.contact-who li strong { color: var(--ink); display: block; margin-bottom: 2px; }
.contact-info a { color: var(--violet); font-weight: 700; }

/* ── FULLBLEED IMAGE ──────────────────────────────────────────────────────── */
.fullbleed-wrap { display: flex; flex-direction: column; }
.fullbleed-img { position: relative; width: 100%; height: 480px; overflow: hidden; }
.fullbleed-img img { width: 100%; height: 100%; object-fit: cover; display: block; }
.fullbleed-caption {
  font-size: 12px;
  color: rgba(255,255,255,.7);
  position: absolute;
  bottom: 6px;
  right: 8px;
  letter-spacing: .01em;
  line-height: 1;
  pointer-events: none;
}

/* ── CTA SECTION ──────────────────────────────────────────────────────────── */
.cta { padding: 130px 0; background: var(--purple); color: white; text-align: center; }
.cta .kicker { color: #c7b7e9; justify-content: center; }
.cta h2  { max-width: 850px; margin: 12px auto 25px; color: #fff; white-space: nowrap; }
.cta p   { color: #d2c9db; margin: 0 auto 34px; max-width: 600px; font-size: 18px; line-height: 1.5; }
.cta-actions { display: flex; align-items: center; justify-content: center; gap: 16px; flex-wrap: wrap; }

/* ── FEATURED CASES (home) ────────────────────────────────────────────────── */
.featured-cases { background: var(--soft); }

/* ── FOOTER ───────────────────────────────────────────────────────────────── */
.site-footer { background: #17131d; color: #cfcbd2; padding: 70px 0 40px; font-size: 13px; }
.footer-top  { display: grid; grid-template-columns: 1fr auto; gap: 60px; padding-bottom: 48px; border-bottom: 1px solid rgba(255,255,255,.1); }
.footer-brand .logo { color: #fff; margin-bottom: 14px; display: inline-block; }
.footer-brand p { color: #8b868f; max-width: 300px; line-height: 1.6; }
.footer-nav { display: flex; gap: 60px; }
.footer-col { display: flex; flex-direction: column; gap: 12px; }
.footer-col strong { color: #fff; font-size: 13px; }
.footer-col a { color: #8b868f; transition: color .15s; }
.footer-col a:hover { color: #cfcbd2; }
.footer-bottom { margin-top: 32px; color: #5a5560; }

/* ── PROTOTYPE NOTE ───────────────────────────────────────────────────────── */
.note {
  padding: 13px 16px;
  background: #fff8dc;
  color: #665b28;
  font-size: 12px;
  position: fixed;
  bottom: 18px; right: 18px;
  border-radius: 12px;
  box-shadow: 0 8px 30px rgba(0,0,0,.12);
  z-index: 5;
  max-width: 280px;
  line-height: 1.5;
}

/* ── RESPONSIVE ───────────────────────────────────────────────────────────── */
@media (max-width: 900px) {
  .navlinks a:not(.btn) { display: none; }
  .nav-toggle { display: block; }
  .hero-grid, .learn-grid, .proof-grid,
  .two-col, .case-detail-layout,
  .contact-layout { grid-template-columns: 1fr; }
  .hero-grid  { padding: 70px 0; }
  .visual     { height: 380px; }
  .three, .steps, .partner-cards,
  .overview-stats, .tools-grid { grid-template-columns: 1fr; }
  .collage    { height: 320px; }
  .cases-grid { grid-template-columns: 1fr 1fr; }
  .module-detail { grid-template-columns: 1fr; gap: 16px; }
  .team-grid  { grid-template-columns: repeat(2, 1fr); }
  .note       { display: none; }
  section     { padding: 80px 0; }
  .cta        { padding: 80px 0; }
  .cta h2     { white-space: normal; }
  .big-number { font-size: 120px; }
  .footer-top { grid-template-columns: 1fr; }
  .footer-nav { flex-wrap: wrap; gap: 32px; }
}
@media (max-width: 560px) {
  .cases-grid { grid-template-columns: 1fr; }
  .form-row--2 { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; align-items: flex-start; }
  .cta-actions  { flex-direction: column; align-items: center; }
  .origin-visual { grid-template-columns: 1fr 1fr; }
  .big-number { font-size: 88px; }
  .collage { height: 260px; }
  .fullbleed-img { display: none; }
}