:root {
  --navy:        #10233F;
  --navy-mid:    #1a3460;
  --navy-light:  #234480;
  --gold:        #B08D3A;
  --gold-dark:   #8f7030;
  --gold-pale:   #f7f0de;
  --white:       #ffffff;
  --off-white:   #f7f8fc;
  --gray:        #6b7280;
  --gray-light:  #e5e7eb;
  --radius:      14px;
  --max:         1160px;
  --shadow:      0 8px 32px rgba(15,28,63,.12);
  --shadow-gold: 0 8px 28px rgba(245,196,0,.35);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--off-white);
  color: var(--navy);
  overflow-x: hidden;
  line-height: 1.65;
}

h1,h2,h3,h4,.logo-text { font-family: 'Montserrat', system-ui, sans-serif; }

a { color: inherit; text-decoration: none; }

.container {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 28px;
}

/* ─── NAV ───────────────────────────────────── */
.site-nav {
  position: sticky; top: 0; z-index: 200;
  background: var(--navy);
  box-shadow: 0 2px 16px rgba(0,0,0,.25);
}

.nav-inner {
  display: flex; align-items: center;
  justify-content: space-between;
  height: 70px;
}

.logo-text {
  font-size: 1.45rem; font-weight: 900;
  letter-spacing: -.02em; color: var(--white);
}
.logo-text span { color: var(--gold); }

.nav-links {
  display: flex; gap: 32px; list-style: none;
}
.nav-links a {
  color: rgba(255,255,255,.8); font-weight: 600;
  font-size: .9rem; letter-spacing: .03em;
  text-transform: uppercase; transition: color .2s;
}
.nav-links a:hover, .nav-links a.active { color: var(--gold); }

.nav-cta {
  background: var(--gold); color: var(--navy);
  font-weight: 800; font-size: .88rem;
  padding: 11px 24px; border-radius: 999px;
  letter-spacing: .04em; text-transform: uppercase;
  transition: transform .15s, box-shadow .15s;
  box-shadow: var(--shadow-gold);
}
.nav-cta:hover { transform: translateY(-2px); box-shadow: 0 12px 28px rgba(245,196,0,.45); }

/* Hamburger */
.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 4px; }
.hamburger span { display: block; width: 24px; height: 2px; background: #fff; border-radius: 2px; transition: .3s; }

/* ─── BUTTONS ────────────────────────────────── */
.btn {
  display: inline-block; border-radius: 999px;
  font-weight: 700; font-size: .95rem;
  padding: 14px 30px; transition: transform .15s, box-shadow .15s;
  border: 2px solid transparent; cursor: pointer; font-family: inherit;
}
.btn-gold {
  background: var(--gold); color: var(--navy);
  box-shadow: var(--shadow-gold);
}
.btn-gold:hover { transform: translateY(-2px); box-shadow: 0 12px 28px rgba(245,196,0,.45); }
.btn-outline {
  border-color: rgba(255,255,255,.4); color: #fff;
}
.btn-outline:hover { border-color: var(--gold); color: var(--gold); }
.btn-lg { padding: 17px 36px; font-size: 1.05rem; }
.btn-block { width: 100%; text-align: center; display: block; }
.btn-navy {
  background: var(--navy); color: var(--white);
  box-shadow: var(--shadow);
}
.btn-navy:hover { transform: translateY(-2px); }

/* ─── SECTION SHELLS ─────────────────────────── */
.section { padding: 92px 0; }
.section-dark { background: var(--navy); color: #fff; }
.section-navy-mid { background: var(--navy-mid); color: #fff; }
.section-alt { background: var(--white); }

.section-tag {
  display: inline-block;
  background: var(--gold); color: var(--navy);
  font-weight: 800; font-size: .72rem;
  letter-spacing: .12em; text-transform: uppercase;
  padding: 5px 14px; border-radius: 999px;
  margin-bottom: 16px;
}
.section-tag.white-tag {
  background: rgba(255,255,255,.15);
  color: var(--gold);
}

.section-heading {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 900; letter-spacing: -.025em;
  line-height: 1.15; margin-bottom: 16px;
}

.sub {
  color: var(--gray); font-size: 1.05rem;
  max-width: 660px;
}
.sub-white { color: rgba(255,255,255,.75); }

.center { text-align: center; }
.center .sub { margin: 0 auto; }

/* ─── HERO ───────────────────────────────────── */
.hero {
  background: var(--navy);
  overflow: hidden; position: relative;
  padding: 80px 0 0;
}

.hero::before {
  content: '';
  position: absolute; top: -120px; right: -120px;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(245,196,0,.12) 0%, transparent 70%);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: 64px; align-items: center;
}

.hero-eyebrow {
  display: flex; align-items: center; gap: 10px;
  margin-bottom: 20px;
}
.hero-eyebrow span {
  font-weight: 700; font-size: .82rem;
  letter-spacing: .12em; text-transform: uppercase;
  color: var(--gold);
}
.hero-eyebrow::before {
  content: ''; display: block; width: 28px; height: 2px;
  background: var(--gold); border-radius: 2px;
}

.hero h1 {
  font-size: clamp(2.4rem, 5vw, 4rem);
  font-weight: 900; color: #fff;
  letter-spacing: -.03em; line-height: 1.1;
  margin-bottom: 20px;
}
.hero h1 em { font-style: normal; color: var(--gold); }

.hero-desc {
  color: rgba(255,255,255,.8); font-size: 1.1rem;
  margin-bottom: 36px; max-width: 560px;
}

.hero-creds {
  display: flex; gap: 20px; flex-wrap: wrap;
  margin-bottom: 40px;
}
.cred-pill {
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.14);
  border-radius: 8px; padding: 10px 18px;
  color: #fff;
}
.cred-pill strong {
  display: block; font-size: 1.25rem;
  font-weight: 900; color: var(--gold);
  font-family: 'Montserrat', sans-serif;
  line-height: 1;
}
.cred-pill span { font-size: .78rem; color: rgba(255,255,255,.65); }

.hero-btns { display: flex; gap: 16px; flex-wrap: wrap; }

/* Photo card */
.hero-photo-wrap {
  align-self: flex-end;
}
.hero-photo-card {
  background: var(--gold);
  border-radius: 24px 24px 0 0;
  overflow: hidden; position: relative;
  min-height: 480px;
  display: flex; align-items: flex-end;
}
.hero-photo-card img {
  width: 100%; height: 100%;
  object-fit: cover; object-position: top center;
  display: block;
}
.hero-photo-fallback {
  width: 100%; min-height: 480px;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  background: linear-gradient(160deg, var(--navy-mid), var(--navy-light));
  color: var(--gold); padding: 40px;
}
.hero-photo-fallback .big-atar {
  font-family: 'Montserrat', sans-serif;
  font-size: 4.5rem; font-weight: 900; line-height: 1;
}
.hero-photo-fallback p { color: rgba(255,255,255,.7); margin-top: 8px; font-size: .9rem; }
.hero-photo-fallback small { color: rgba(255,255,255,.45); font-size:.75rem; margin-top:12px; }

.hero-wave {
  display: block; width: 100%;
  margin-top: -2px;
}

/* ─── ABOUT ──────────────────────────────────── */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px; align-items: start;
}
.about-body p {
  color: var(--gray); margin-bottom: 18px;
  font-size: 1rem;
}
.about-body p:last-child { margin-bottom: 0; }

.cred-cards {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 16px; margin-top: 32px;
}
.cred-card {
  background: var(--navy);
  border-radius: var(--radius);
  padding: 24px 20px;
  text-align: center; color: #fff;
}
.cred-card .num {
  font-family: 'Montserrat', sans-serif;
  font-size: 2rem; font-weight: 900;
  color: var(--gold); line-height: 1;
  display: block;
}
.cred-card .label {
  font-size: .8rem; color: rgba(255,255,255,.65);
  margin-top: 6px; display: block;
  text-transform: uppercase; letter-spacing: .06em;
}

.about-photo-wrap {
  margin-bottom: 24px;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.about-photo-img {
  width: 100%;
  display: block;
  object-fit: cover;
  object-position: center 65%;
  max-height: 500px;
}

.about-highlights {
  margin-top: 28px; display: flex; flex-direction: column; gap: 14px;
}
.highlight-row {
  display: flex; align-items: flex-start; gap: 14px;
  padding: 16px 18px;
  background: var(--off-white);
  border-radius: 10px;
  border-left: 3px solid var(--gold);
}
.highlight-icon {
  font-size: 1.4rem; flex-shrink: 0; line-height: 1;
}
.highlight-row h4 { font-size: .92rem; margin-bottom: 2px; }
.highlight-row p { font-size: .85rem; color: var(--gray); }

/* ─── SUBJECTS ───────────────────────────────── */
.year-badge {
  display: inline-flex; gap: 10px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.15);
  border-radius: 999px; padding: 6px 20px;
  margin-bottom: 40px;
}
.year-badge span {
  font-weight: 700; font-size: .85rem;
  color: rgba(255,255,255,.7); letter-spacing: .06em;
}
.year-badge span.active { color: var(--gold); }

.subjects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px,1fr));
  gap: 24px;
}

.subject-card {
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: transform .2s, background .2s;
  position: relative; overflow: hidden;
}
.subject-card::after {
  content: ''; position: absolute;
  bottom: 0; left: 0; right: 0; height: 3px;
  background: var(--gold);
}
.subject-card:hover {
  transform: translateY(-4px);
  background: rgba(255,255,255,.1);
}

.subject-icon { font-size: 2rem; margin-bottom: 14px; }
.subject-card h3 {
  font-size: 1.05rem; color: #fff;
  margin-bottom: 8px;
}
.subject-card .years {
  font-size: .78rem; color: var(--gold);
  font-weight: 700; letter-spacing: .08em;
  text-transform: uppercase; margin-bottom: 12px;
}
.subject-card p { font-size: .88rem; color: rgba(255,255,255,.65); }

.pricing-band {
  margin-top: 56px;
  background: var(--gold);
  border-radius: var(--radius);
  padding: 36px 40px;
  display: flex; align-items: center;
  justify-content: space-between;
  gap: 32px; flex-wrap: wrap;
}
.pricing-band h3 {
  font-size: 1.5rem; color: var(--navy);
  margin-bottom: 6px;
}
.pricing-band p { color: rgba(15,28,63,.7); font-size: .95rem; }
.pricing-band .price-big {
  font-family: 'Montserrat', sans-serif;
  font-size: 3rem; font-weight: 900;
  color: var(--navy); white-space: nowrap;
  line-height: 1;
}
.pricing-band .price-big small {
  font-size: 1rem; font-weight: 600; opacity: .7;
}

/* ─── TIMETABLE ──────────────────────────────── */
.timetable-wrap {
  margin-top: 48px;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.tt-header {
  display: grid;
  grid-template-columns: 90px 1fr 1fr;
  background: var(--navy);
}
.tt-header > div {
  padding: 16px 20px;
  font-weight: 800; font-size: .85rem;
  text-transform: uppercase; letter-spacing: .08em;
  color: var(--gold); text-align: center;
  border-right: 1px solid rgba(255,255,255,.08);
}
.tt-header > div:first-child { text-align: left; color: rgba(255,255,255,.4); }

.tt-body { background: var(--white); }

.tt-row {
  display: grid;
  grid-template-columns: 90px 1fr 1fr;
  border-top: 1px solid var(--gray-light);
}

.tt-time {
  padding: 0 16px;
  font-size: .78rem; font-weight: 700;
  color: var(--gray);
  display: flex; align-items: center;
  border-right: 1px solid var(--gray-light);
}

.tt-cell {
  padding: 8px;
  border-right: 1px solid var(--gray-light);
  display: flex; align-items: stretch;
  min-height: 64px;
}
.tt-cell:last-child { border-right: none; }

.tt-block {
  border-radius: 8px;
  padding: 12px 16px;
  flex: 1;
  display: flex; flex-direction: column;
  justify-content: center;
}
.tt-block.methods {
  background: rgba(15,28,63,.08);
  border-left: 3px solid var(--navy);
}
.tt-block.specialist {
  background: rgba(245,196,0,.15);
  border-left: 3px solid var(--gold-dark);
}
.tt-block.chemistry {
  background: rgba(59,130,246,.1);
  border-left: 3px solid #3b82f6;
}
.tt-block.humanbio {
  background: rgba(16,185,129,.1);
  border-left: 3px solid #10b981;
}
.tt-block h4 { font-size: .88rem; margin-bottom: 2px; }
.tt-block p { font-size: .78rem; color: var(--gray); }

.tt-zoom-note {
  margin-top: 20px;
  display: flex; align-items: center; gap: 10px;
  color: var(--gray); font-size: .88rem;
}
.tt-zoom-note span { font-size: 1.2rem; }

/* ─── RESOURCES ──────────────────────────────── */
.resources-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px,1fr));
  gap: 24px; margin-top: 48px;
}

.resource-card {
  background: var(--white);
  border: 1px solid var(--gray-light);
  border-radius: var(--radius);
  padding: 28px 24px;
  display: flex; flex-direction: column;
  gap: 14px; transition: transform .2s, box-shadow .2s;
}
.resource-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}
.resource-icon { font-size: 2rem; }
.resource-card h3 { font-size: 1rem; }
.resource-card p { font-size: .88rem; color: var(--gray); flex: 1; }
.resource-link {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--navy); color: var(--white);
  font-weight: 700; font-size: .83rem;
  padding: 10px 18px; border-radius: 999px;
  letter-spacing: .04em; text-transform: uppercase;
  transition: background .2s;
}
.resource-link:hover { background: var(--navy-mid); }
.resource-link svg { flex-shrink: 0; }

/* ─── REGISTRATION PAGE ──────────────────────── */
.register-hero {
  background: var(--navy);
  padding: 72px 0 60px;
  text-align: center;
}
.register-hero h1 { color: #fff; font-size: clamp(1.8rem,4vw,2.8rem); margin-bottom: 14px; }
.register-hero p { color: rgba(255,255,255,.75); max-width: 540px; margin: 0 auto; }

.register-body {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 64px; align-items: start;
  padding: 72px 0;
}

.reg-info h2 { font-size: 1.5rem; margin-bottom: 14px; }
.reg-info p { color: var(--gray); margin-bottom: 14px; font-size: .96rem; }

.reg-details {
  margin-top: 28px; display: flex; flex-direction: column; gap: 12px;
}
.reg-detail {
  display: flex; align-items: center; gap: 12px;
  font-size: .92rem;
}
.reg-detail span:first-child {
  font-size: 1.2rem; flex-shrink: 0; width: 28px; text-align: center;
}

.reg-subjects-check {
  margin-top: 24px;
  background: var(--gold-pale);
  border: 1px solid rgba(245,196,0,.4);
  border-radius: var(--radius);
  padding: 20px;
}
.reg-subjects-check h4 { font-size: .92rem; margin-bottom: 14px; }

.form-card {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 36px;
  display: flex; flex-direction: column; gap: 20px;
}

.form-group label {
  display: block; font-weight: 700;
  font-size: .85rem; margin-bottom: 7px;
  letter-spacing: .02em;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%; padding: 13px 16px;
  border: 1.5px solid var(--gray-light);
  border-radius: 10px; font-family: inherit;
  font-size: .95rem; background: var(--off-white);
  transition: border-color .2s;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none; border-color: var(--gold);
  background: var(--white);
}
.form-group textarea { resize: vertical; }

.form-row-2 {
  display: grid; grid-template-columns: 1fr 1fr; gap: 16px;
}

.checkbox-list {
  display: flex; flex-direction: column; gap: 10px;
}
.check-label {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 16px;
  border: 1.5px solid var(--gray-light);
  border-radius: 10px; cursor: pointer;
  font-size: .92rem; font-weight: 500;
  transition: border-color .2s, background .2s;
}
.check-label input { width: 16px; height: 16px; accent-color: var(--gold-dark); }
.check-label:has(input:checked) {
  border-color: var(--gold-dark);
  background: var(--gold-pale);
}

.form-note {
  font-size: .82rem; color: var(--gray);
  text-align: center; line-height: 1.6;
}

/* ─── FOOTER ─────────────────────────────────── */
.site-footer {
  background: var(--navy);
  color: rgba(255,255,255,.75);
  padding: 56px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 48px; padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.footer-brand p {
  margin-top: 12px; font-size: .88rem;
  color: rgba(255,255,255,.55); max-width: 280px;
}
.footer-col h4 {
  font-size: .82rem; font-weight: 800;
  letter-spacing: .1em; text-transform: uppercase;
  color: var(--gold); margin-bottom: 16px;
}
.footer-col a {
  display: block; margin-bottom: 10px;
  font-size: .88rem; color: rgba(255,255,255,.65);
  transition: color .2s;
}
.footer-col a:hover { color: var(--gold); }
.footer-col p { font-size: .88rem; margin-bottom: 8px; }
.footer-bottom {
  text-align: center; padding: 20px 0;
  font-size: .8rem; color: rgba(255,255,255,.3);
}

/* ─── MOBILE NAV ─────────────────────────────── */
.mobile-menu {
  display: none;
  flex-direction: column;
  background: var(--navy-mid);
  padding: 16px 28px 24px;
}
.mobile-menu a {
  color: rgba(255,255,255,.85);
  padding: 12px 0;
  border-bottom: 1px solid rgba(255,255,255,.07);
  font-weight: 600; font-size: .95rem;
}
.mobile-menu a:last-child { border: none; }
.mobile-menu.open { display: flex; }

/* ─── RESPONSIVE ─────────────────────────────── */
/* ── TESTIMONIALS ── */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}
.testimonial-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 28px 24px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border-top: 3px solid var(--gold);
}
.testimonial-card--featured {
  border-top-color: var(--navy);
}
.testimonial-text {
  font-size: .95rem;
  color: var(--gray);
  line-height: 1.7;
  flex: 1;
}
.testimonial-author {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--gray-light);
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.testimonial-author strong {
  font-size: .95rem;
  color: var(--navy);
}
.testimonial-author span {
  font-size: .8rem;
  color: var(--gray);
}

@media (max-width: 960px) {
  .hero-grid { grid-template-columns: 1fr; padding-bottom: 0; }
  .hero-photo-wrap { display: none; }
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .register-body { grid-template-columns: 1fr; gap: 40px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .nav-cta { display: none; }
}

  .testimonials-grid { grid-template-columns: 1fr; }

@media (max-width: 600px) {
  .section { padding: 64px 0; }
  .tt-header, .tt-row { grid-template-columns: 60px 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .form-row-2 { grid-template-columns: 1fr; }
  .cred-cards { grid-template-columns: 1fr 1fr; }
  .hero h1 { font-size: 2.2rem; }
  .pricing-band { flex-direction: column; text-align: center; }
  .pricing-band > div:first-child > div { grid-template-columns: 1fr 1fr !important; }
  .tt-block h4 { font-size: .8rem; }
  .tt-block p { font-size: .72rem; }
  .tt-time { font-size: .78rem; }
}