:root {
  --color-primary: #0891b2;
  --color-primary-dark: #0e7490;
  --color-accent: #f97316;
  --color-dark: #0a2540;
  --color-bg: #ffffff;
  --color-bg-alt: #eef7fa;
  --color-text: #1b2a3a;
  --color-muted: #5b7185;
  --color-border: #dce8ee;
  --font-heading: 'Fraunces', serif;
  --font-body: 'Inter', sans-serif;
  --container-width: 1180px;
  --radius: 14px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

.container {
  width: 100%;
  max-width: var(--container-width);
  margin-inline: auto;
  padding-inline: 1.5rem;
}

.section { padding-block: clamp(3.5rem, 8vw, 6.5rem); }

h1, h2, h3 {
  font-family: var(--font-heading);
  font-weight: 600;
  color: var(--color-dark);
  line-height: 1.15;
}

.eyebrow {
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: .6rem;
}

.section__head { text-align: center; max-width: 640px; margin-inline: auto; margin-bottom: 3rem; }
.section__head h2 { font-size: clamp(1.75rem, 3.4vw, 2.5rem); margin-bottom: .75rem; }
.section__lead { color: var(--color-muted); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: .85rem 1.7rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: .92rem;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease;
}
.btn--primary { background: var(--color-primary); color: #fff; }
.btn--primary:hover { background: var(--color-primary-dark); transform: translateY(-2px); box-shadow: 0 10px 24px rgba(8,145,178,.28); }
.btn--ghost { background: transparent; color: var(--color-dark); border-color: var(--color-border); }
.btn--ghost:hover { border-color: var(--color-primary); color: var(--color-primary); }
.btn--outline { background: transparent; color: var(--color-primary); border-color: var(--color-primary); width: 100%; }
.btn--outline:hover { background: var(--color-primary); color: #fff; }
.btn--light { background: #fff; color: var(--color-primary-dark); }
.btn--light:hover { transform: translateY(-2px); box-shadow: 0 10px 24px rgba(0,0,0,.15); }
.btn--full { width: 100%; }

/* Header */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(255,255,255,.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s ease, box-shadow .3s ease;
}
.header.scrolled { border-color: var(--color-border); box-shadow: 0 4px 20px rgba(10,37,64,.06); }
.header__inner { display: flex; align-items: center; justify-content: space-between; height: 76px; }

.logo { font-family: var(--font-heading); font-size: 1.35rem; font-weight: 600; color: var(--color-dark); }
.logo span { color: var(--color-primary); }
.logo--footer { color: #fff; }
.logo--footer span { color: var(--color-accent); }

.nav { display: flex; align-items: center; gap: 2.2rem; }
.nav__list { display: flex; gap: 1.8rem; }
.nav__link { font-size: .92rem; font-weight: 500; color: var(--color-text); transition: color .2s ease; }
.nav__link:hover { color: var(--color-primary); }

.hamburger { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; z-index: 110; }
.hamburger span { width: 24px; height: 2px; background: var(--color-dark); transition: transform .3s ease, opacity .3s ease; }
.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Hero */
.hero {
  position: relative;
  padding-top: 156px;
  padding-bottom: 6rem;
  background: linear-gradient(160deg, #f0fbff 0%, #ffffff 55%);
  overflow: hidden;
}
.hero__inner { display: grid; grid-template-columns: 1.15fr .85fr; gap: 3.5rem; align-items: center; }
.hero__text h1 { font-size: clamp(2.4rem, 5vw, 3.6rem); margin-bottom: 1.2rem; }
.hero__text h1 span { color: var(--color-primary); }
.hero__lead { color: var(--color-muted); font-size: 1.08rem; max-width: 480px; margin-bottom: 2rem; }
.hero__actions { display: flex; gap: 1rem; flex-wrap: wrap; margin-bottom: 2.8rem; }
.hero__stats { display: flex; gap: 2.2rem; }
.hero__stats strong { display: block; font-family: var(--font-heading); font-size: 1.6rem; color: var(--color-dark); }
.hero__stats span { font-size: .8rem; color: var(--color-muted); }

.hero__card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 2.2rem;
  box-shadow: 0 30px 60px -20px rgba(10,37,64,.15);
}
.hero__card-avatar { margin-bottom: 1.2rem; }
.avatar--hero {
  display: inline-flex; align-items: center; justify-content: center;
  width: 56px; height: 56px; border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  font-size: 1.6rem;
}
.hero__card blockquote { font-family: var(--font-heading); font-size: 1.15rem; color: var(--color-dark); margin-bottom: 1.3rem; }
.hero__card-author strong { display: block; font-size: .92rem; }
.hero__card-author span { font-size: .8rem; color: var(--color-muted); }

.hero__wave {
  position: absolute;
  bottom: -1px; left: 0; right: 0;
  height: 60px;
  background: repeating-linear-gradient(120deg, rgba(8,145,178,.08) 0 40px, transparent 40px 80px);
}

/* Trust bar */
.trust { padding-block: 2rem; border-block: 1px solid var(--color-border); }
.trust__inner { display: flex; align-items: center; gap: 2rem; flex-wrap: wrap; justify-content: center; text-align: center; }
.trust p { font-size: .78rem; text-transform: uppercase; letter-spacing: .08em; color: var(--color-muted); }
.trust__logos { display: flex; gap: 1.8rem; flex-wrap: wrap; justify-content: center; }
.trust__logos span { font-size: .85rem; font-weight: 600; color: var(--color-muted); opacity: .7; }

/* About */
.about__inner { display: grid; grid-template-columns: .85fr 1.15fr; gap: 3.5rem; align-items: center; }
.about__image { position: relative; }
.about__image-placeholder {
  aspect-ratio: 4/5;
  border-radius: var(--radius);
  background: linear-gradient(160deg, var(--color-primary) 0%, var(--color-dark) 100%);
  display: flex; align-items: center; justify-content: center;
}
.avatar--large {
  width: 96px; height: 96px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: rgba(255,255,255,.15);
  color: #fff; font-family: var(--font-heading); font-size: 1.8rem; font-weight: 600;
}
.about__badge {
  position: absolute; bottom: -1.2rem; left: -1.2rem;
  background: var(--color-dark); color: #fff;
  border-radius: var(--radius); padding: 1rem 1.3rem;
  text-align: center;
}
.about__badge strong { display: block; font-family: var(--font-heading); font-size: 1.5rem; color: var(--color-accent); }
.about__badge span { font-size: .72rem; text-transform: uppercase; letter-spacing: .05em; }

.about__text h2 { font-size: clamp(1.75rem, 3.4vw, 2.4rem); margin-bottom: 1rem; }
.about__text p { color: var(--color-muted); margin-bottom: 1.4rem; }
.about__list { margin-bottom: 1.8rem; }
.about__list li { display: flex; gap: .7rem; margin-bottom: .7rem; font-size: .95rem; }
.check { color: var(--color-primary); font-weight: 700; }

/* Programs */
.programs { background: var(--color-bg-alt); }
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.6rem; }
.card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 2rem;
  transition: transform .25s ease, box-shadow .25s ease;
}
.card:hover { transform: translateY(-6px); box-shadow: 0 20px 40px -16px rgba(10,37,64,.15); }
.card__icon { font-size: 1.8rem; margin-bottom: 1rem; }
.card h3 { font-size: 1.05rem; margin-bottom: .6rem; }
.card p { color: var(--color-muted); font-size: .92rem; }

/* Schedule */
.schedule__table-wrap { overflow-x: auto; border-radius: var(--radius); border: 1px solid var(--color-border); }
.schedule__table { width: 100%; border-collapse: collapse; min-width: 560px; }
.schedule__table th, .schedule__table td { padding: 1rem 1.3rem; text-align: left; font-size: .9rem; }
.schedule__table thead { background: var(--color-dark); color: #fff; }
.schedule__table thead th:first-child { color: var(--color-accent); }
.schedule__table tbody tr:nth-child(even) { background: var(--color-bg-alt); }
.schedule__table tbody td:first-child { font-weight: 700; color: var(--color-primary); }

/* Testimonials */
.testimonials { background: var(--color-bg-alt); }
.testimonial-track { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.6rem; }
.testimonial {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.8rem;
  display: flex; flex-direction: column;
}
.testimonial p { margin-bottom: 1.5rem; font-style: italic; color: var(--color-text); }
.testimonial__author { display: flex; align-items: center; gap: .85rem; }
.avatar { width: 42px; height: 42px; border-radius: 50%; display: flex; align-items: center; justify-content: center; color: #fff; font-size: .8rem; font-weight: 700; flex-shrink: 0; }
.avatar--1 { background: linear-gradient(135deg, #0891b2, #0e7490); }
.avatar--2 { background: linear-gradient(135deg, #f97316, #ea580c); }
.avatar--3 { background: linear-gradient(135deg, #0a2540, #0891b2); }
.testimonial__author strong { display: block; font-size: .92rem; }
.testimonial__author span { font-size: .78rem; color: var(--color-muted); }

/* Pricing */
.pricing__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.6rem; align-items: stretch; }
.price-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 2.2rem;
  text-align: center;
  display: flex; flex-direction: column;
  position: relative;
}
.price-card--featured {
  background: var(--color-dark);
  border-color: var(--color-dark);
  transform: scale(1.04);
}
.price-card--featured h3, .price-card--featured .price { color: #fff; }
.price-card--featured ul li { color: #b7c9d8; }
.badge {
  position: absolute; top: -.9rem; left: 50%; transform: translateX(-50%);
  background: var(--color-accent); color: #fff;
  font-size: .72rem; font-weight: 700; text-transform: uppercase; letter-spacing: .05em;
  padding: .35rem .9rem; border-radius: 999px;
}
.price-card h3 { font-size: 1.05rem; margin-bottom: .5rem; }
.price { font-family: var(--font-heading); font-size: 2.2rem; font-weight: 600; color: var(--color-dark); margin-bottom: 1.5rem; }
.price span { font-size: .85rem; font-weight: 400; color: var(--color-muted); }
.price-card ul { margin-bottom: 2rem; flex-grow: 1; }
.price-card ul li { padding: .5rem 0; color: var(--color-muted); font-size: .88rem; border-bottom: 1px dashed var(--color-border); }
.price-card--featured ul li { border-color: rgba(255,255,255,.15); }

/* CTA */
.cta { background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-dark) 100%); padding-block: 4.5rem; text-align: center; }
.cta__inner h2 { color: #fff; font-size: clamp(1.6rem, 3.4vw, 2.3rem); margin-bottom: .8rem; }
.cta__inner p { color: rgba(255,255,255,.85); margin-bottom: 1.8rem; }

/* Contact */
.contact__inner { display: grid; grid-template-columns: 1fr 1fr; gap: 3.5rem; }
.contact__info h2 { font-size: clamp(1.5rem, 2.9vw, 2rem); margin-bottom: 1rem; }
.contact__info p { color: var(--color-muted); margin-bottom: 1.5rem; }
.contact__list { margin-bottom: 1.6rem; }
.contact__list li { padding: .55rem 0; border-bottom: 1px solid var(--color-border); font-size: .92rem; }
.social { display: flex; gap: .8rem; }
.social a {
  width: 40px; height: 40px; border-radius: 50%;
  border: 1px solid var(--color-border);
  display: flex; align-items: center; justify-content: center;
  font-size: .74rem; font-weight: 700; color: var(--color-primary);
  transition: background .2s ease, color .2s ease;
}
.social a:hover { background: var(--color-primary); color: #fff; }

.contact__form {
  background: var(--color-bg-alt);
  border-radius: var(--radius);
  padding: 2.2rem;
  display: flex; flex-direction: column; gap: 1.1rem;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.1rem; }
.form-group { display: flex; flex-direction: column; gap: .4rem; }
.form-group label { font-size: .82rem; font-weight: 600; color: var(--color-dark); }
.form-group input, .form-group select, .form-group textarea {
  padding: .75rem .9rem;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  font-family: inherit;
  font-size: .92rem;
  background: #fff;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { outline: 2px solid var(--color-primary); outline-offset: 1px; }
.form-note { font-size: .85rem; color: var(--color-primary-dark); min-height: 1.2em; }

/* Footer */
.footer { background: var(--color-dark); color: rgba(255,255,255,.7); padding-block: 3rem; }
.footer__inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1.5rem; }
.footer__links { display: flex; gap: 1.6rem; }
.footer__links a { font-size: .88rem; color: rgba(255,255,255,.7); transition: color .2s ease; }
.footer__links a:hover { color: #fff; }
.footer__copy { font-size: .8rem; }

/* Back to top */
.back-to-top {
  position: fixed; bottom: 1.6rem; right: 1.6rem;
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--color-primary); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
  opacity: 0; visibility: hidden; transform: translateY(10px);
  transition: opacity .3s ease, transform .3s ease, visibility .3s ease;
  z-index: 90;
}
.back-to-top.show { opacity: 1; visibility: visible; transform: translateY(0); }

/* Reveal */
[data-reveal] { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }
[data-reveal].in-view { opacity: 1; transform: translateY(0); }

@media (prefers-reduced-motion: reduce) {
  [data-reveal] { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* Responsive */
@media (max-width: 1024px) {
  .hero__inner { grid-template-columns: 1fr; }
  .hero__card { order: -1; max-width: 460px; }
  .about__inner { grid-template-columns: 1fr; }
  .about__image { max-width: 420px; margin-inline: auto; }
  .cards, .testimonial-track, .pricing__grid { grid-template-columns: repeat(2, 1fr); }
  .price-card--featured { transform: none; }
}

@media (max-width: 900px) {
  .nav { position: fixed; top: 76px; left: 0; right: 0; bottom: 0; background: #fff; flex-direction: column; align-items: flex-start; padding: 2rem 1.5rem; gap: 2rem; transform: translateX(100%); transition: transform .3s ease; overflow-y: auto; }
  .nav.active { transform: translateX(0); }
  .nav__list { flex-direction: column; gap: 1.4rem; width: 100%; }
  .nav__link { font-size: 1.1rem; }
  .nav__cta { width: 100%; text-align: center; }
  .hamburger { display: flex; }
}

@media (max-width: 768px) {
  .hero { padding-top: 130px; }
  .hero__stats { flex-wrap: wrap; gap: 1.4rem; }
  .contact__inner { grid-template-columns: 1fr; }
  .cards, .pricing__grid, .testimonial-track { grid-template-columns: 1fr; }
  .price-card--featured { order: -1; }
  .footer__inner { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
  .form-row { grid-template-columns: 1fr; }
  .hero__actions { flex-direction: column; }
  .hero__actions .btn { width: 100%; }
  .about__badge { left: 50%; transform: translateX(-50%); bottom: -1rem; }
}