:root {
  --ink: #17242a;
  --muted: #5c6f70;
  --paper: #f7faf6;
  --panel: #ffffff;
  --mist: #eaf2ec;
  --pine: #14513d;
  --pine-dark: #0c332a;
  --teal: #126d73;
  --amber: #d89b2b;
  --clay: #8b5e3c;
  --line: rgba(23, 36, 42, 0.12);
  --line-dark: rgba(255, 255, 255, 0.18);
  --shadow: 0 18px 44px rgba(14, 45, 39, 0.13);
  --radius: 8px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
html, body { max-width: 100%; overflow-x: hidden; }
body {
  margin: 0;
  font-family: "Montserrat", Arial, sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; }
h1, h2, h3, p, a, li, summary, dt, dd {
  overflow-wrap: break-word;
}
.container { width: min(1160px, calc(100vw - 36px)); margin: 0 auto; }
.narrow { width: min(880px, calc(100vw - 36px)); }
.section-pad { padding: 88px 0; }
.hero-copy,
.hero-card,
.section-heading,
.copy-block,
.sticky-intro,
.lead-form,
.detail-form,
.final-card { min-width: 0; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  padding: 13px 42px;
  background: rgba(247, 250, 246, 0.94);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.brand { display: inline-flex; align-items: center; gap: 12px; font-weight: 900; }
.brand small { display: block; color: var(--muted); font-weight: 700; font-size: 12px; }
.brand-logo {
  display: block;
  width: 50px;
  height: 50px;
  object-fit: contain;
  border-radius: var(--radius);
}
.main-nav { display: flex; gap: 22px; color: var(--muted); font-weight: 800; font-size: 14px; }
.main-nav a:hover { color: var(--teal); }
.header-cta {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 16px;
  border-radius: 999px;
  color: #fff;
  background: var(--pine);
  font-weight: 900;
  box-shadow: 0 10px 24px rgba(20, 81, 61, 0.2);
}

.hero {
  position: relative;
  min-height: 760px;
  display: flex;
  align-items: center;
  overflow: hidden;
  color: #fff;
  background: var(--pine-dark);
}
.hero-media,
.hero-overlay {
  position: absolute;
  inset: 0;
}
.hero-media {
  background-image: url("assets/master-env-hero.webp");
  background-size: cover;
  background-position: center;
  transform: scale(1.02);
}
.hero-overlay {
  background:
    linear-gradient(90deg, rgba(6, 32, 27, 0.93) 0%, rgba(6, 32, 27, 0.76) 37%, rgba(6, 32, 27, 0.34) 68%, rgba(6, 32, 27, 0.12) 100%),
    linear-gradient(180deg, rgba(6, 32, 27, 0.2) 0%, rgba(6, 32, 27, 0.72) 100%);
}
.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 42px;
  align-items: center;
}
.eyebrow {
  margin: 0 0 14px;
  color: var(--amber);
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0;
  font-size: 13px;
}
h1, h2, h3 {
  margin: 0;
  line-height: 1.08;
  letter-spacing: 0;
  font-weight: 900;
}
h1 { font-size: 70px; max-width: 930px; }
h2 { font-size: 48px; }
h3 { font-size: 27px; }
.hero-lead {
  margin: 24px 0 0;
  max-width: 760px;
  color: rgba(255, 255, 255, 0.86);
  font-size: 20px;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
  margin-top: 30px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 14px 22px;
  border: 0;
  border-radius: 999px;
  font: inherit;
  font-weight: 900;
  text-align: center;
  white-space: normal;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn:disabled { cursor: not-allowed; opacity: 0.9; transform: none; }
.btn.is-loading { pointer-events: none; }
.btn.is-loading::after {
  content: "";
  width: 14px;
  height: 14px;
  margin-left: 8px;
  border: 2px solid rgba(255, 255, 255, 0.45);
  border-top-color: #fff;
  border-radius: 50%;
  animation: btn-spin 0.8s linear infinite;
}
@keyframes btn-spin {
  to { transform: rotate(360deg); }
}
.btn-primary {
  color: #fff;
  background: linear-gradient(135deg, var(--teal), var(--pine));
  box-shadow: 0 14px 28px rgba(18, 109, 115, 0.24);
}
.btn-soft {
  color: var(--pine-dark);
  background: #fff;
  border: 1px solid rgba(255, 255, 255, 0.72);
}
.btn-dark { color: #fff; background: var(--pine-dark); }
.full { width: 100%; }

.quick-facts {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin: 34px 0 0;
}
.quick-facts div {
  padding: 18px;
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid var(--line-dark);
  backdrop-filter: blur(12px);
}
.quick-facts dt { font-size: 30px; font-weight: 900; color: #f2bd4b; }
.quick-facts dd { margin: 4px 0 0; color: rgba(255, 255, 255, 0.8); font-weight: 700; }

.hero-card,
.lead-form,
.detail-form,
.reason-card,
.admission-card,
.expert-card,
.final-card,
details {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: var(--shadow);
}
.hero-card {
  padding: 28px;
  color: #fff;
  background: rgba(8, 45, 38, 0.74);
  border-color: rgba(255, 255, 255, 0.22);
  backdrop-filter: blur(16px);
}
.card-kicker {
  display: inline-flex;
  min-height: 32px;
  align-items: center;
  padding: 0 12px;
  margin: 0 0 16px;
  border-radius: 999px;
  color: #10372d;
  background: #f5c95d;
  font-size: 12px;
  font-weight: 900;
}
.hero-card h2 { font-size: 34px; }
.check-list {
  padding: 0;
  margin: 24px 0;
  list-style: none;
  display: grid;
  gap: 12px;
}
.check-list li {
  position: relative;
  padding-left: 30px;
  color: rgba(255, 255, 255, 0.86);
  font-weight: 700;
}
.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: #f5c95d;
  box-shadow: inset 0 0 0 4px rgba(8, 45, 38, 0.9);
}
.contact-box {
  padding: 18px;
  border-radius: var(--radius);
  color: var(--pine-dark);
  background: #fff;
}
.contact-box span,
.mini-contact span {
  display: block;
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}
.contact-box a,
.mini-contact a {
  display: block;
  margin-top: 3px;
  color: var(--pine);
  font-size: 24px;
  font-weight: 900;
}

.form-band {
  background: linear-gradient(135deg, #eaf2ec 0%, #fff8e6 100%);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.split-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 42px;
  align-items: start;
}
.section-heading p {
  max-width: 760px;
  color: var(--muted);
  font-size: 18px;
}
.section-heading.light h2,
.section-heading.light p { color: #fff; }
.section-heading.light .eyebrow { color: #f4c459; }
.centered { text-align: center; margin-inline: auto; }
.centered p { margin-left: auto; margin-right: auto; }
.lead-form,
.detail-form {
  padding: 28px;
  display: grid;
  gap: 16px;
}
.lead-form { grid-template-columns: repeat(2, 1fr); }
.field { display: grid; gap: 7px; }
.field label {
  font-size: 13px;
  font-weight: 900;
  color: var(--pine);
}
input, select, textarea {
  width: 100%;
  min-height: 54px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0 14px;
  background: #fffdf8;
  color: var(--ink);
  font: inherit;
  outline: none;
}
textarea {
  min-height: 120px;
  padding: 12px 14px;
  resize: vertical;
}
input:focus, select:focus, textarea:focus {
  border-color: var(--teal);
  box-shadow: 0 0 0 4px rgba(18, 109, 115, 0.12);
}
.lead-form .full,
.lead-form .form-note { grid-column: 1 / -1; }
.form-note {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  text-align: center;
}

.two-col {
  display: grid;
  grid-template-columns: 0.82fr 1.18fr;
  gap: 48px;
}
.copy-block p { color: var(--muted); font-size: 18px; }
.timeline {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 28px;
}
.timeline div {
  padding: 20px;
  border-radius: var(--radius);
  background: #fff;
  border: 1px solid var(--line);
}
.timeline strong {
  display: block;
  font-size: 25px;
  color: var(--teal);
}
.timeline span {
  display: block;
  margin-top: 6px;
  color: var(--muted);
  font-weight: 700;
}

.visual-band,
.career {
  position: relative;
  overflow: hidden;
  color: #fff;
  background: var(--pine-dark);
}
.visual-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
}
.visual-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(6, 32, 27, 0.86), rgba(6, 32, 27, 0.54), rgba(6, 32, 27, 0.42));
}
.visual-bg-climate { background-image: url("assets/master-climate-water.webp"); }
.visual-bg-campus { background-image: url("assets/master-sustainable-campus.webp"); }
.visual-grid,
.career-panel {
  position: relative;
  z-index: 1;
}
.reason-grid,
.admission-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin-top: 40px;
}
.reason-card,
.admission-card {
  padding: 24px;
  min-height: 260px;
  box-shadow: none;
}
.visual-band .reason-card {
  color: #fff;
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(12px);
}
.reason-card span,
.admission-card span {
  color: var(--amber);
  font-size: 32px;
  font-weight: 900;
}
.reason-card h3,
.admission-card h3 {
  margin-top: 18px;
  font-size: 24px;
}
.reason-card p,
.admission-card p { color: var(--muted); }
.visual-band .reason-card p { color: rgba(255, 255, 255, 0.78); }

.program { background: #fbfffb; }
.study-map {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
  margin-top: 42px;
}
.study-lane {
  position: relative;
  padding: 28px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.92), rgba(234, 242, 236, 0.92)),
    url("assets/master-sustainable-campus.webp");
  background-size: cover;
  background-position: center;
  overflow: hidden;
}
.lane-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: var(--radius);
  background: rgba(18, 109, 115, 0.1);
  color: var(--teal);
  font-size: 20px;
  font-weight: 900;
}
.lane-tag {
  margin: 18px 0 8px;
  color: var(--clay);
  font-size: 13px;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0;
}
.study-lane h3 { font-size: 30px; }
.study-lane p:not(.lane-tag) {
  margin: 14px 0 0;
  color: var(--muted);
}
.lane-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}
.lane-chips span,
.expert-tags span {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 0 12px;
  border-radius: 999px;
  background: #fff6df;
  border: 1px solid rgba(216, 155, 43, 0.26);
  color: #7a5318;
  font-weight: 800;
  font-size: 12px;
}

.partnership {
  background: linear-gradient(180deg, #f8fbf8 0%, #edf5f1 100%);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.partnership-grid {
  display: grid;
  grid-template-columns: 1.06fr 0.94fr;
  gap: 34px;
  align-items: center;
}
.partnership-photo {
  margin: 0;
  min-height: 520px;
  overflow: hidden;
  border-radius: var(--radius);
  background: #dfe8e4;
  box-shadow: var(--shadow);
}
.partnership-photo img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 520px;
  object-fit: cover;
  object-position: center;
}
.partnership-copy p:not(.eyebrow) {
  color: var(--muted);
  font-size: 17px;
}
.partner-logos {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 18px;
}
.partner-logos span {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  min-height: 44px;
  padding: 6px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  color: var(--pine);
  font-size: 13px;
  font-weight: 900;
}
.partner-logos img {
  width: 30px;
  height: 30px;
  object-fit: contain;
}
.partnership-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 24px;
}
.partnership-stats article,
.attendee-card,
.cooperation-grid article {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  box-shadow: none;
}
.partnership-stats article {
  padding: 20px;
}
.partnership-stats strong {
  display: block;
  color: var(--teal);
  font-size: 26px;
  font-weight: 900;
}
.partnership-stats span {
  display: block;
  margin-top: 6px;
  color: var(--muted);
  font-weight: 700;
}
.attendee-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
  margin-top: 18px;
}
.attendee-card {
  padding: 26px;
}
.attendee-label {
  margin: 0 0 10px;
  color: var(--clay);
  font-size: 13px;
  font-weight: 900;
  text-transform: uppercase;
}
.attendee-card h3 {
  font-size: 25px;
}
.attendee-card ul {
  margin: 18px 0 0;
  padding-left: 20px;
  color: var(--muted);
  font-weight: 700;
}
.attendee-card li {
  margin: 9px 0;
}
.cooperation-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 18px;
}
.cooperation-grid article {
  padding: 22px;
  background: var(--pine-dark);
  color: #fff;
}
.cooperation-grid span {
  display: inline-flex;
  min-height: 30px;
  align-items: center;
  padding: 0 10px;
  border-radius: 999px;
  background: rgba(244, 196, 89, 0.16);
  color: #f4c459;
  font-size: 12px;
  font-weight: 900;
}
.cooperation-grid strong {
  display: block;
  margin-top: 14px;
  font-size: 17px;
  line-height: 1.45;
}

.experts {
  background: linear-gradient(180deg, #eef5f1 0%, #f7faf6 100%);
  border-top: 1px solid var(--line);
}
.expert-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
  margin-top: 42px;
}
.expert-card {
  display: grid;
  grid-template-columns: 230px 1fr;
  min-height: 320px;
  overflow: hidden;
  box-shadow: none;
}
.expert-card figure {
  margin: 0;
  background: #dfe8e4;
  border-right: 1px solid var(--line);
}
.expert-card img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}
.expert-card:nth-child(2) img { object-position: 68% center; }
.expert-body { padding: 24px; }
.expert-title {
  margin: 0 0 10px;
  color: var(--teal);
  font-weight: 900;
}
.expert-body h3 { font-size: 25px; }
.expert-body p:not(.expert-title) {
  color: var(--muted);
  margin: 14px 0 0;
}
.expert-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}

.career {
  padding: 110px 0;
}
.career .visual-bg::after {
  background: linear-gradient(90deg, rgba(6, 32, 27, 0.88), rgba(6, 32, 27, 0.62), rgba(6, 32, 27, 0.2));
}
.career-panel {
  width: min(980px, 100%);
  padding: 34px;
  border-radius: var(--radius);
  background: rgba(8, 45, 38, 0.68);
  border: 1px solid rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(14px);
}
.career-panel h2 { max-width: 850px; color: #fff; }
.career-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-top: 28px;
}
.career-grid article {
  padding: 18px;
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.16);
}
.career-grid strong {
  display: block;
  color: #f4c459;
  font-size: 18px;
}
.career-grid span {
  display: block;
  margin-top: 8px;
  color: rgba(255, 255, 255, 0.82);
}

.admission {
  background: linear-gradient(180deg, #f8fbf8 0%, #fff6e3 100%);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.admission-card { background: #fff; }
.admission-card strong {
  display: block;
  margin-top: 18px;
  color: var(--teal);
}

.detail-form-section { background: #fbfffb; }
.form-layout {
  display: grid;
  grid-template-columns: 0.34fr 0.66fr;
  gap: 34px;
  align-items: start;
}
.sticky-intro { position: sticky; top: 100px; }
.sticky-intro p { color: var(--muted); }
.mini-contact {
  display: grid;
  gap: 8px;
  margin-top: 24px;
  padding: 20px;
  border-radius: var(--radius);
  background: #eef5f1;
  border: 1px solid var(--line);
}
.mini-contact a {
  margin: 0 0 8px;
  font-size: 18px;
}
.detail-form { padding: 32px; }
.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}
.wide { grid-column: 1 / -1; }

.faq-list {
  display: grid;
  gap: 12px;
  margin-top: 30px;
}
details {
  overflow: hidden;
  box-shadow: none;
}
summary {
  padding: 20px 22px;
  cursor: pointer;
  font-weight: 900;
}
details p {
  margin: 0;
  padding: 0 22px 22px;
  color: var(--muted);
}

.final-cta {
  position: relative;
  padding-top: 46px;
  background: #eef5f1;
}
.final-card {
  position: relative;
  overflow: hidden;
  padding: 54px;
  color: #fff;
  background: var(--pine-dark);
}
.final-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(6, 32, 27, 0.92), rgba(6, 32, 27, 0.74), rgba(6, 32, 27, 0.42)),
    url("assets/master-climate-water.webp");
  background-size: cover;
  background-position: center;
}
.final-card > * {
  position: relative;
  z-index: 1;
}
.final-card p:not(.eyebrow) {
  max-width: 850px;
  margin: 22px 0 0;
  color: rgba(255, 255, 255, 0.82);
  font-size: 18px;
}
.centered-actions { justify-content: center; }
.final-card .centered-actions { justify-content: flex-start; }

.site-footer {
  padding: 56px 0 86px;
  background: var(--pine-dark);
  color: #fff;
}
.footer-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr 0.8fr;
  gap: 32px;
  align-items: start;
}
.site-footer h2 { font-size: 30px; margin-bottom: 12px; }
.site-footer address { color: rgba(255, 255, 255, 0.72); font-style: normal; }
.footer-contact { display: grid; gap: 8px; font-weight: 800; color: #f4c459; }
.footer-contact strong {
  margin-top: 6px;
  color: #fff;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0;
}
.footer-brand p { color: rgba(255, 255, 255, 0.8); margin: 0; }
.site-footer address a { color: #f4c459; font-weight: 800; }

.floating-cta {
  position: fixed;
  right: 18px;
  bottom: 26px;
  z-index: 40;
  display: grid;
  gap: 10px;
}
.floating-cta a {
  padding: 12px 14px;
  border-radius: 999px;
  color: #fff;
  background: var(--pine);
  box-shadow: 0 10px 20px rgba(14, 45, 39, 0.18);
  font-size: 13px;
  font-weight: 900;
}
.floating-cta a:first-child {
  color: var(--pine-dark);
  background: #f4c459;
}
.mobile-sticky { display: none; }
.toast {
  position: fixed;
  left: 50%;
  bottom: 24px;
  transform: translate(-50%, 140%);
  z-index: 80;
  width: min(520px, calc(100% - 32px));
  padding: 16px 18px;
  border-radius: var(--radius);
  color: #fff;
  background: var(--pine-dark);
  box-shadow: var(--shadow);
  text-align: center;
  font-weight: 800;
  transition: transform 0.25s ease;
}
.toast.show { transform: translate(-50%, 0); }

.popup-overlay {
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background: rgba(8, 18, 14, 0.62);
  backdrop-filter: blur(4px);
  z-index: 120;
}
.popup-overlay.open { display: flex; }
.popup-card {
  width: min(560px, 100%);
  max-height: 90vh;
  overflow: auto;
  background: var(--pine-dark);
  border-radius: var(--radius);
  padding: 24px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: var(--shadow);
  color: #fff;
}
.popup-card h3 { font-size: 34px; margin-bottom: 14px; }
.popup-card .eyebrow { color: #f4c459; margin-bottom: 8px; }
.popup-close {
  position: sticky;
  top: 0;
  margin-left: auto;
  width: 36px;
  height: 36px;
  border: 0;
  border-radius: 999px;
  background: #fff;
  color: var(--ink);
  font-size: 24px;
  line-height: 1;
  cursor: pointer;
}
.success-card .success-text {
  margin: 0;
  font-size: 17px;
  color: rgba(255, 255, 255, 0.9);
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible { opacity: 1; transform: none; }
.delay-1 { transition-delay: 0.08s; }
.delay-2 { transition-delay: 0.16s; }
.delay-3 { transition-delay: 0.24s; }

@media (max-width: 1120px) {
  .site-header { padding: 12px 24px; }
  .main-nav { gap: 14px; font-size: 13px; }
  h1 { font-size: 58px; }
  h2 { font-size: 42px; }
  .expert-card { grid-template-columns: 190px 1fr; }
}

@media (max-width: 980px) {
  .main-nav { display: none; }
  .hero { min-height: auto; }
  .hero-grid,
  .split-grid,
  .two-col,
  .partnership-grid,
  .attendee-grid,
  .form-layout,
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .reason-grid,
  .admission-grid,
  .study-map,
  .cooperation-grid,
  .career-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .expert-grid { grid-template-columns: 1fr; }
  .sticky-intro { position: static; }
  .desktop-only { display: none; }
}

@media (max-width: 680px) {
  .section-pad { padding: 64px 0; }
  .container,
  .narrow {
    width: calc(100vw - 28px) !important;
    max-width: calc(100vw - 28px) !important;
  }
  .site-header { padding: 10px 14px; }
  .header-cta { display: none; }
  .brand-logo { width: 42px; height: 42px; }
  .brand strong { font-size: 14px; }
  .brand small { font-size: 11px; }
  .hero { padding-top: 58px; }
  .hero-overlay {
    background:
      linear-gradient(180deg, rgba(6, 32, 27, 0.92), rgba(6, 32, 27, 0.78), rgba(6, 32, 27, 0.86)),
      linear-gradient(90deg, rgba(6, 32, 27, 0.72), rgba(6, 32, 27, 0.28));
  }
  .hero-grid { gap: 28px; }
  .hero-grid,
  .split-grid,
  .two-col,
  .form-layout {
    width: calc(100vw - 28px) !important;
    max-width: calc(100vw - 28px) !important;
  }
  .hero-copy,
  .hero-card,
  .section-heading,
  .copy-block {
    width: calc(100vw - 28px) !important;
    max-width: calc(100vw - 28px) !important;
  }
  h1 {
    width: calc(100vw - 28px) !important;
    max-width: calc(100vw - 28px) !important;
    font-size: 32px;
    line-height: 1.12;
  }
  h2 {
    width: calc(100vw - 28px) !important;
    max-width: calc(100vw - 28px) !important;
    font-size: 32px;
  }
  h3 { font-size: 24px; }
  .eyebrow { font-size: 12px; }
  .hero-lead { font-size: 16px; }
  .hero-actions { display: grid; grid-template-columns: 1fr; }
  .hero-actions .btn { width: 100%; }
  .quick-facts,
  .lead-form,
  .timeline,
  .partnership-stats,
  .cooperation-grid,
  .reason-grid,
  .admission-grid,
  .study-map,
  .form-grid,
  .career-grid {
    grid-template-columns: 1fr;
  }
  .lead-form,
  .detail-form,
  .hero-card,
  .attendee-card,
  .career-panel,
  .final-card,
  .study-lane {
    padding: 20px;
  }
  .partnership-photo,
  .partnership-photo img {
    min-height: 260px;
  }
  .partner-logos span {
    width: 100%;
  }
  .expert-card {
    grid-template-columns: 1fr;
  }
  .expert-card figure {
    height: 320px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }
  .wide { grid-column: auto; }
  .final-card .centered-actions { justify-content: stretch; }
  .site-footer { padding-bottom: 96px; }
  .mobile-sticky {
    position: fixed;
    left: 10px;
    right: 10px;
    bottom: 10px;
    z-index: 70;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
    padding: 8px;
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: 18px;
    background: rgba(20, 34, 27, 0.92);
    backdrop-filter: blur(16px);
    box-shadow: 0 18px 44px rgba(0, 0, 0, 0.22);
  }
  .mobile-sticky a {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    padding: 8px 10px;
    border-radius: var(--radius);
    color: #fff;
    background: rgba(255, 255, 255, 0.12);
    font-size: 12px;
    line-height: 1.25;
    font-weight: 900;
    text-align: center;
  }
  .mobile-sticky a:first-child { background: var(--pine); }
}