:root {
  color-scheme: light;
  --ink: #102d42;
  --ink-soft: #23465d;
  --teal: #147a9b;
  --green: #197f66;
  --coral: #f2a18f;
  --paper: #fbf8f3;
  --white: #fff;
  --muted: #61717e;
  --line: #d8e1e5;
  --shadow: 0 18px 50px rgb(16 45 66 / 12%);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
  font-synthesis: none;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 88px; }
body { margin: 0; color: var(--ink); background: var(--paper); }
body, button, input, select, textarea { font: inherit; }
img { display: block; max-width: 100%; }
a { color: inherit; }
.shell { width: min(1160px, calc(100% - 40px)); margin-inline: auto; }
.sr-only, .hidden-field { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; z-index: 1000; left: 16px; top: -80px; padding: 10px 16px; background: var(--white); }
.skip-link:focus { top: 16px; }

.site-header { position: sticky; top: 0; z-index: 100; background: rgb(251 248 243 / 94%); border-bottom: 1px solid var(--line); backdrop-filter: blur(16px); }
.header-inner { min-height: 78px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; }
.brand-mark { width: 42px; height: 42px; display: grid; place-items: center; border-radius: 13px; background: var(--teal); color: var(--white); font-weight: 900; letter-spacing: .02em; box-shadow: 0 9px 22px rgb(20 122 155 / 23%); }
.brand-copy { display: grid; line-height: 1.05; }
.brand-copy strong { font-size: 16px; }
.brand-copy small { margin-top: 3px; color: var(--teal); font-size: 11px; font-weight: 900; letter-spacing: .14em; }
.main-nav { display: flex; align-items: center; gap: 28px; }
.main-nav a { font-size: 14px; font-weight: 750; text-decoration: none; color: #53697a; }
.main-nav a:hover, .main-nav a:focus-visible { color: var(--teal); }
.menu-toggle { display: none; border: 0; background: transparent; padding: 8px; }
.menu-toggle span:not(.sr-only) { display: block; width: 25px; height: 2px; margin: 5px; background: var(--ink); }

.button { display: inline-flex; justify-content: center; align-items: center; min-height: 50px; padding: 0 24px; border: 0; border-radius: 999px; text-decoration: none; font-weight: 850; cursor: pointer; transition: transform .2s ease, box-shadow .2s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: var(--white); background: var(--green); box-shadow: 0 12px 24px rgb(25 127 102 / 22%); }
.button-whatsapp { min-height: 48px; color: var(--white) !important; background: var(--green); }
.text-link { font-weight: 800; text-decoration: none; border-bottom: 2px solid var(--coral); }
.button-link { padding: 8px 0; color: var(--ink); background: transparent; cursor: pointer; }
.section { padding: 100px 0; }
.section-light { background: var(--white); }
.eyebrow { margin: 0 0 12px; color: var(--teal); font-size: 13px; font-weight: 950; letter-spacing: .18em; }
.eyebrow.coral { color: var(--coral); }
h1, h2, h3, p { margin-top: 0; }
h1, h2 { font-family: Georgia, "Times New Roman", serif; font-weight: 900; letter-spacing: -.04em; line-height: 1.05; }
h1 { max-width: 760px; margin-bottom: 24px; font-size: clamp(45px, 6vw, 76px); }
h2 { margin-bottom: 18px; font-size: clamp(36px, 5vw, 58px); }
h3 { line-height: 1.2; }
.lead { max-width: 680px; font-size: 20px; color: #3e5667; }
.lead-small { font-size: 18px; color: #d3e0e8; }

.hero { min-height: calc(100vh - 78px); display: grid; align-items: center; overflow: hidden; background: radial-gradient(circle at 78% 20%, #d7eef0 0, transparent 30%), linear-gradient(135deg, #fbf8f3 0%, #eef6f6 100%); }
.hero-grid { display: grid; grid-template-columns: 1.08fr .92fr; align-items: center; gap: 72px; }
.hero-actions { display: flex; align-items: center; gap: 26px; margin: 34px 0; }
.hero-price { display: flex; align-items: end; gap: 13px; margin-top: 28px; }
.hero-price strong { color: var(--teal); font-family: Georgia, serif; font-size: clamp(36px, 5vw, 56px); line-height: 1; }
.hero-price span { padding-bottom: 5px; color: var(--muted); font-weight: 750; }
.trust-list { display: flex; flex-wrap: wrap; gap: 12px 24px; padding: 0; list-style: none; color: #526877; font-size: 14px; font-weight: 700; }
.trust-list li::before { content: "✓"; margin-right: 8px; color: var(--green); }
.hero-visual { position: relative; }
.hero-visual::before { content: ""; position: absolute; inset: 7% -9% -5% 10%; border-radius: 45% 55% 35% 65%; background: var(--coral); opacity: .68; }
.hero-visual img { position: relative; z-index: 1; width: 100%; aspect-ratio: 4 / 5; object-fit: cover; border-radius: 180px 180px 30px 30px; box-shadow: var(--shadow); }
.floating-card { position: absolute; z-index: 2; right: -30px; bottom: 28px; display: grid; padding: 16px 20px; border-radius: 14px; color: var(--white); background: var(--ink); box-shadow: var(--shadow); }
.floating-card span { color: #b9ccd7; font-size: 12px; }
.quick-strip { background: var(--ink); color: var(--white); }
.quick-grid { min-height: 118px; display: grid; grid-template-columns: repeat(3, 1fr); }
.quick-grid div { display: flex; align-items: center; gap: 18px; padding: 22px 30px; border-right: 1px solid rgb(255 255 255 / 14%); }
.quick-grid strong { color: var(--coral); font-size: 30px; font-family: Georgia, serif; }
.quick-grid span { font-weight: 800; }

.plan-finder { position: relative; background: #eef5f5; }
.plan-finder::before { content: ""; position: absolute; inset: 0 0 auto; height: 8px; background: linear-gradient(90deg, var(--teal), var(--green), var(--coral)); }
.plan-heading { max-width: 820px; }
.plan-builder { display: grid; grid-template-columns: 1.25fr .75fr; gap: 26px; align-items: stretch; }
.plan-questions, .plan-result { padding: 34px; border-radius: 26px; background: var(--white); box-shadow: var(--shadow); }
.plan-questions { display: grid; gap: 30px; }
.plan-questions fieldset { min-width: 0; margin: 0; padding: 0; border: 0; }
.plan-questions legend { margin-bottom: 15px; font-family: Georgia, serif; font-size: 22px; font-weight: 800; }
.choice-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.choice-grid button, .modality-switch button { padding: 17px; border: 1px solid var(--line); border-radius: 15px; color: var(--ink); background: #f9fbfb; text-align: left; cursor: pointer; transition: .2s ease; }
.choice-grid button:hover, .choice-grid button:focus-visible, .modality-switch button:hover { border-color: var(--teal); transform: translateY(-2px); }
.choice-grid button[aria-pressed="true"], .modality-switch button[aria-pressed="true"] { border-color: var(--teal); color: var(--white); background: var(--teal); box-shadow: 0 12px 24px rgb(20 122 155 / 20%); }
.choice-grid strong, .choice-grid span { display: block; }
.choice-grid span { margin-top: 3px; font-size: 13px; opacity: .78; }
.modality-switch { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
.modality-switch button { text-align: center; font-weight: 800; }
.trial-callout { display: flex; align-items: center; justify-content: space-between; gap: 18px; padding: 17px 19px; border-radius: 15px; background: #fff3ef; }
.trial-callout span { font-weight: 750; }
.trial-callout button { padding: 0; border: 0; border-bottom: 2px solid var(--coral); color: var(--ink); background: transparent; font-weight: 900; cursor: pointer; }
.plan-result { display: flex; flex-direction: column; color: var(--white); background: linear-gradient(150deg, var(--ink), #174a5e); }
.plan-result .eyebrow { color: #86ddc2; }
.plan-result h3 { margin: 5px 0 6px; font-family: Georgia, serif; font-size: 36px; }
.recommended-price { margin: 20px 0 2px; color: var(--coral); font-family: Georgia, serif; font-size: 46px; font-weight: 900; line-height: 1; }
.recommended-price span { color: #c8d7df; font-family: inherit; font-size: 15px; }
.recommendation-facts { display: grid; gap: 10px; margin: 25px 0; padding: 0; list-style: none; }
.recommendation-facts li { padding-bottom: 10px; border-bottom: 1px solid rgb(255 255 255 / 13%); color: #dce8ed; }
.recommendation-facts strong { color: #fff; }
.plan-result .button { width: 100%; margin-top: auto; }
.plan-fineprint { margin: 14px 0 0; color: #b9ccd5; font-size: 12px; }

.section-heading { max-width: 700px; margin-bottom: 46px; }
.section-heading p:not(.eyebrow) { font-size: 18px; color: var(--muted); }
.section-heading.light { color: var(--white); }
.cards { display: grid; gap: 22px; }
.three-columns { grid-template-columns: repeat(3, 1fr); }
.service-card { min-height: 270px; padding: 32px; border: 1px solid var(--line); border-radius: 22px; background: var(--paper); }
.service-card h3 { margin: 38px 0 14px; font-size: 24px; }
.service-card p { color: var(--muted); }
.card-number { color: var(--teal); font-weight: 900; }

#servicios { background: var(--ink); color: var(--white); }
.photo-services { display: grid; grid-template-columns: 1.2fr 1fr 1fr; gap: 18px; }
.photo-card { overflow: hidden; min-height: 460px; position: relative; border-radius: 24px; background: #17394f; }
.photo-card img { width: 100%; height: 100%; position: absolute; inset: 0; object-fit: cover; }
.photo-card::after { content: ""; position: absolute; inset: 30% 0 0; background: linear-gradient(transparent, rgb(6 25 38 / 92%)); }
.photo-card div { position: absolute; z-index: 1; left: 24px; right: 24px; bottom: 18px; }
.photo-card h3 { margin-bottom: 5px; font-size: 24px; }
.photo-card p { margin: 0; color: #d2e0e7; }

.about { background: var(--ink); color: var(--white); }
.about-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 72px; align-items: center; }
.qualification-list { display: grid; gap: 13px; padding: 0; list-style: none; }
.qualification-list li::before { content: "✓"; margin-right: 12px; color: #75d0b7; font-size: 20px; }
.experience-note { margin-top: 28px; padding: 20px; border: 1px solid rgb(255 255 255 / 15%); border-radius: 16px; background: rgb(255 255 255 / 7%); color: #e2ebf0; }
.about-collage { display: grid; grid-template-columns: 1.15fr .85fr; grid-template-rows: 1fr 1fr; gap: 14px; }
.about-collage img { width: 100%; height: 245px; object-fit: cover; border-radius: 24px; }
.about-collage .about-main { grid-row: 1 / 3; height: 504px; }

.rates-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.rate-card { padding: 40px; border-radius: 26px; background: var(--ink); color: var(--white); box-shadow: var(--shadow); }
.rate-kicker { color: var(--coral); font-size: 12px; font-weight: 900; letter-spacing: .16em; }
.rate-card h3 { font-family: Georgia, serif; font-size: 32px; }
.rate-card ul { display: grid; gap: 10px; margin: 24px 0 32px; padding-left: 20px; color: #d7e3e9; }

.packs-section { background: var(--ink); color: var(--white); }
.packs-section .section-heading p:not(.eyebrow) { color: #d3e0e8; }
.packs-highlights { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; margin-bottom: 24px; }
.packs-highlights article { display: grid; align-content: start; gap: 8px; min-height: 170px; padding: 22px; border: 1px solid rgb(255 255 255 / 13%); border-radius: 18px; background: rgb(255 255 255 / 7%); }
.packs-highlights strong { color: #fff; line-height: 1.3; }
.packs-highlights span { color: #c8d6de; font-size: 14px; }
.schedule-note { display: flex; gap: 18px; align-items: center; margin-bottom: 24px; padding: 18px 22px; border-left: 5px solid var(--coral); border-radius: 12px; background: #17394f; }
.schedule-note strong { white-space: nowrap; color: var(--coral); }
.booking-explainer, .bizum-disclaimer { margin: 26px 0; padding: 28px; border-radius: 20px; background: #0a2233; }
.booking-explainer p, .bizum-disclaimer p { color: #d4e0e7; }
.booking-explainer p:last-child, .bizum-disclaimer p:last-child { margin-bottom: 0; }
.pack-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 34px; }
.pack-card { display: flex; flex-direction: column; min-height: 540px; padding: 28px; border-radius: 22px; color: var(--ink); background: var(--white); box-shadow: var(--shadow); }
.pack-card.featured { outline: 3px solid var(--coral); transform: translateY(-6px); }
.pack-badge { align-self: flex-start; padding: 6px 11px; border-radius: 999px; color: #fff; background: var(--teal); font-size: 12px; font-weight: 900; }
.pack-card.featured .pack-badge { background: #d66f59; }
.pack-card h3 { margin: 22px 0 8px; font-family: Georgia, serif; font-size: 30px; }
.pack-price { color: var(--teal); font-family: Georgia, serif; font-size: 34px; font-weight: 900; }
.pack-price small { font-family: inherit; font-size: 14px; }
.pack-facts { display: grid; gap: 8px; padding: 0; list-style: none; }
.pack-facts li::before { content: "✓"; margin-right: 8px; color: var(--green); font-weight: 900; }
.pack-card p { color: var(--muted); }
.pack-card .pack-condition { padding-top: 15px; border-top: 1px solid var(--line); font-size: 13px; }
.pack-card .button { width: 100%; margin-top: auto; }
.bizum-disclaimer { border: 1px solid rgb(242 161 143 / 45%); }

.modal-backdrop { position: fixed; z-index: 1000; inset: 0; display: grid; place-items: center; padding: 24px; background: rgb(4 20 30 / 82%); overflow-y: auto; }
.modal-backdrop[hidden] { display: none; }
.booking-modal { position: relative; width: min(760px, 100%); max-height: calc(100vh - 48px); overflow-y: auto; padding: 36px; border-radius: 24px; background: var(--white); box-shadow: 0 30px 90px rgb(0 0 0 / 35%); }
.booking-modal h2 { font-size: clamp(34px, 5vw, 48px); }
.modal-close { position: absolute; top: 16px; right: 16px; width: 42px; height: 42px; border: 1px solid var(--line); border-radius: 50%; background: #fff; cursor: pointer; font-size: 26px; }
.booking-summary { margin-bottom: 24px; padding: 18px; border-radius: 14px; background: #edf6f7; }
.booking-summary ul { margin: 0; padding-left: 20px; }
.booking-form { display: grid; gap: 16px; }
.booking-form label { display: grid; gap: 6px; font-weight: 800; }
.booking-form input, .booking-form select { width: 100%; padding: 12px; border: 1px solid #b9c9d1; border-radius: 10px; background: #fff; color: var(--ink); }
.bizum-box { display: grid; gap: 5px; padding: 20px; border: 2px solid var(--coral); border-radius: 16px; background: #fff8f5; }
.bizum-box span { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .08em; }
.bizum-box strong { margin-bottom: 8px; font-size: 20px; }
.copy-actions, .form-actions, .admin-toolbar { display: flex; flex-wrap: wrap; gap: 10px; }
.button-secondary { min-height: 44px; padding-inline: 17px; border: 1px solid #b7c5cc; color: var(--ink); background: #fff; box-shadow: none; }
.booking-condition { padding: 15px; border-left: 4px solid var(--teal); background: #f0f5f7; color: #385467; font-size: 14px; }
.copy-status { min-height: 24px; margin: 0; color: var(--green); font-weight: 800; }

.admin-classes { min-height: 100vh; padding: 50px 20px; background: #e9f1f3; }
.admin-classes[hidden], [hidden] { display: none !important; }
.admin-shell { width: min(1240px, 100%); margin: auto; }
.admin-login { width: min(520px, 100%); margin: 10vh auto; padding: 36px; border-radius: 24px; background: #fff; box-shadow: var(--shadow); }
.admin-login form { display: flex; gap: 12px; align-items: end; }
.admin-login label { display: grid; flex: 1; gap: 5px; font-weight: 800; }
.admin-login input { padding: 12px; border: 1px solid var(--line); border-radius: 10px; }
.admin-error { color: #b32f2f; font-weight: 800; }
.admin-header { display: flex; justify-content: space-between; gap: 20px; align-items: center; }
.admin-header h1 { margin-bottom: 15px; font-size: clamp(38px, 5vw, 62px); }
.admin-warning { margin: 20px 0; padding: 18px; border-left: 5px solid #e29a30; border-radius: 10px; background: #fff3d8; }
.admin-toolbar { margin-bottom: 24px; }
.file-button { position: relative; cursor: pointer; }
.file-button input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.student-form, .student-card { margin: 22px 0; padding: 28px; border-radius: 20px; background: #fff; box-shadow: var(--shadow); }
.form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.form-grid label, .class-form label { display: grid; gap: 6px; font-weight: 800; }
.form-grid input, .form-grid select, .form-grid textarea, .class-form input, .class-form select, .class-form textarea { width: 100%; padding: 11px; border: 1px solid #bdcbd2; border-radius: 9px; color: var(--ink); background: #fff; }
.form-grid .full { grid-column: 1 / -1; }
.form-actions { margin-top: 20px; }
.student-list { display: grid; gap: 22px; }
.student-card header { display: flex; justify-content: space-between; gap: 18px; align-items: start; }
.student-card h2 { margin-bottom: 6px; font-size: 34px; }
.student-metrics { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin: 20px 0; }
.student-metrics div { padding: 14px; border-radius: 12px; background: #eef5f6; }
.student-metrics strong { display: block; font-size: 23px; }
.class-form { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 22px; padding-top: 22px; border-top: 1px solid var(--line); }
.class-form .wide { grid-column: span 2; }
.class-form button { align-self: end; }
.class-history { width: 100%; margin-top: 18px; border-collapse: collapse; font-size: 14px; }
.class-history th, .class-history td { padding: 9px; border-bottom: 1px solid var(--line); text-align: left; }
.empty-state { padding: 30px; border: 1px dashed #aabcc5; border-radius: 14px; text-align: center; background: rgb(255 255 255 / 60%); }

.faq { background: #0a2233; color: var(--white); }
.faq-grid { display: grid; grid-template-columns: .75fr 1.25fr; gap: 80px; }
.accordion details { border-top: 1px solid rgb(255 255 255 / 18%); }
.accordion details:last-child { border-bottom: 1px solid rgb(255 255 255 / 18%); }
.accordion summary { position: relative; padding: 24px 44px 24px 0; cursor: pointer; font-weight: 850; list-style: none; }
.accordion summary::after { content: "+"; position: absolute; right: 6px; font-size: 24px; }
.accordion details[open] summary::after { content: "−"; }
.accordion p { padding-right: 50px; color: #c2d2db; }

.contact { background: var(--paper); }
.contact-grid { display: grid; grid-template-columns: .72fr 1.28fr; gap: 72px; }
.contact-grid > div p:not(.eyebrow) { font-size: 18px; color: var(--muted); }
.privacy-short { font-size: 13px !important; }
.contact-form { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; padding: 34px; border-radius: 24px; background: var(--white); box-shadow: var(--shadow); }
.contact-form label { display: grid; gap: 7px; font-size: 13px; font-weight: 800; }
.contact-form input, .contact-form select, .contact-form textarea { width: 100%; border: 1px solid #c8d4da; border-radius: 10px; padding: 12px 13px; background: #fbfcfc; color: var(--ink); }
.contact-form input:focus, .contact-form select:focus, .contact-form textarea:focus { outline: 3px solid rgb(20 122 155 / 18%); border-color: var(--teal); }
.contact-form .full { grid-column: 1 / -1; }
.consent { display: flex !important; grid-template-columns: auto 1fr; align-items: flex-start; font-weight: 500 !important; }
.consent input { width: auto; margin-top: 5px; }

.site-footer { padding: 50px 0 24px; background: #061a29; color: #d5e1e7; }
.footer-grid { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 40px; }
.footer-brand .brand-copy strong { color: var(--white); }
.footer-grid p { margin: 0; }
.footer-grid nav { display: flex; gap: 22px; }
.copyright { margin: 35px 0 0; padding-top: 20px; border-top: 1px solid rgb(255 255 255 / 12%); text-align: center; color: #8299a7; font-size: 12px; }
.legal-page { min-height: 100vh; padding: 80px 0; background: var(--paper); }
.legal-page article { max-width: 820px; }
.legal-page h1 { font-size: clamp(42px, 6vw, 68px); }
.legal-page h2 { margin-top: 36px; font-size: 27px; }
.legal-back { display: inline-block; margin-bottom: 40px; color: var(--teal); font-weight: 850; }

.reveal { opacity: 0; transform: translateY(18px); transition: opacity .55s ease, transform .55s ease; }
.reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } .reveal { opacity: 1; transform: none; transition: none; } }

@media (max-width: 900px) {
  .menu-toggle { display: block; }
  .main-nav { display: none; position: absolute; top: 78px; left: 0; right: 0; padding: 24px 20px 30px; flex-direction: column; align-items: stretch; background: var(--paper); border-bottom: 1px solid var(--line); box-shadow: var(--shadow); }
  .main-nav.is-open { display: flex; }
  .main-nav a { padding: 5px; }
  .hero-grid, .about-grid, .rates-grid, .faq-grid, .contact-grid, .plan-builder { grid-template-columns: 1fr; }
  .hero { min-height: auto; }
  .hero-grid { gap: 50px; }
  .hero-copy { padding-top: 15px; }
  .hero-visual { max-width: 580px; }
  .three-columns, .photo-services { grid-template-columns: 1fr; }
  .photo-card { min-height: 380px; }
  .about-grid, .rates-grid, .faq-grid, .contact-grid { gap: 42px; }
  .footer-grid { grid-template-columns: 1fr; }
  .packs-highlights { grid-template-columns: repeat(2, 1fr); }
  .pack-grid { grid-template-columns: repeat(2, 1fr); }
  .student-metrics { grid-template-columns: repeat(2, 1fr); }
  .plan-result { min-height: 470px; }
}

@media (max-width: 620px) {
  .shell { width: min(100% - 28px, 1160px); }
  .section { padding: 72px 0; }
  .brand-copy strong { font-size: 14px; }
  .brand-copy small { font-size: 9px; }
  .hero-actions { align-items: stretch; flex-direction: column; }
  .hero-price { align-items: flex-start; flex-direction: column; }
  .text-link { align-self: flex-start; }
  .floating-card { right: 10px; bottom: -20px; }
  .quick-grid { grid-template-columns: 1fr; padding: 14px 0; }
  .quick-grid div { min-height: 78px; border-right: 0; border-bottom: 1px solid rgb(255 255 255 / 14%); }
  .about-collage { grid-template-columns: 1fr 1fr; }
  .about-collage .about-main { grid-column: 1 / -1; grid-row: auto; height: 380px; }
  .about-collage img { height: 200px; }
  .contact-form { grid-template-columns: 1fr; padding: 22px; }
  .contact-form label { grid-column: 1 / -1; }
  .plan-questions, .plan-result { padding: 24px; }
  .choice-grid { grid-template-columns: 1fr; }
  .trial-callout { align-items: flex-start; flex-direction: column; }
  .packs-highlights, .pack-grid, .form-grid, .class-form { grid-template-columns: 1fr; }
  .pack-card.featured { transform: none; }
  .schedule-note { align-items: flex-start; flex-direction: column; }
  .booking-modal { padding: 28px 20px; }
  .copy-actions, .copy-actions .button, .admin-toolbar, .admin-toolbar .button { width: 100%; }
  .admin-login form { align-items: stretch; flex-direction: column; }
  .admin-header, .student-card header { align-items: stretch; flex-direction: column; }
  .student-metrics { grid-template-columns: 1fr 1fr; }
  .class-form .wide { grid-column: auto; }
  .class-history { display: block; overflow-x: auto; }
}