@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,500;1,400&display=swap');

:root {
  --bg-base: #EAE6DF;
  --bg-alt: #E2DDD5;
  --ink-main: #1C1B1A;
  --ink-muted: #55534E;
  --accent: #E60012;

  --border: 1px solid var(--ink-main);

  --font-serif: 'Playfair Display', serif;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

  --text-xs: 0.65rem;
  --text-sm: 0.75rem;
  --text-base: 0.875rem;
  --text-md: 1rem;
  --text-lg: 1.5rem;
  --text-xl: 2.5rem;
  --text-hero: 4rem;

  --tracking-wide: 0.08em;

  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
}

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

body {
  background-color: var(--bg-base);
  color: var(--ink-main);
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  padding-top: 70px;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
  filter: grayscale(80%) contrast(1.1);
}

a {
  color: var(--ink-main);
  text-decoration: none;
}

/* --- Typography utilities --- */

.accent {
  color: var(--accent);
}

.t-serif {
  font-family: var(--font-serif);
  font-weight: 400;
}

.t-caps {
  font-family: var(--font-sans);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  font-size: var(--text-sm);
  font-weight: 500;
}

.t-muted {
  color: var(--ink-muted);
}

/* --- Buttons --- */

.btn {
  display: inline-block;
  padding: var(--space-sm) var(--space-md);
  background: transparent;
  border: var(--border);
  color: var(--ink-main);
  font-family: var(--font-sans);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  font-size: var(--text-xs);
  font-weight: 600;
  text-align: center;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease;
  text-decoration: none;
}

.btn:hover {
  background-color: var(--ink-main);
  color: var(--bg-base);
}

.cta-band .btn {
  border-color: #fff;
  color: #fff;
}

.cta-band .btn:hover {
  background-color: #fff;
  color: var(--ink-main);
}

.btn:focus-visible {
  outline: 2px solid var(--ink-main);
  outline-offset: 2px;
}

/* --- Layout containers --- */

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.section {
  padding: var(--space-xl) 0;
}

.section--alt {
  background-color: var(--bg-alt);
}

/* --- Header --- */

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background-color: var(--ink-main);
  border-bottom: none;
  padding: var(--space-md) var(--space-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.header__logo {
  font-family: var(--font-sans);
  font-size: var(--text-lg);
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  line-height: 1;
  color: #fff;
}

.header__logo-accent {
  color: var(--accent);
}

.header__nav {
  display: none;
  gap: var(--space-lg);
}

.header__nav a {
  font-family: var(--font-sans);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  font-size: var(--text-sm);
  font-weight: 500;
  transition: opacity 0.2s;
  color: #fff;
}

.header__nav a:hover {
  opacity: 0.6;
}

.header__burger {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  width: 24px;
  height: 16px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 0;
}

.header__burger span {
  display: block;
  height: 1px;
  background-color: #fff;
  width: 100%;
  transition: transform 0.3s, opacity 0.3s;
}

/* Mobile menu overlay */
.mobile-nav {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 200;
  background-color: var(--bg-base);
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: var(--space-lg);
}

.mobile-nav.is-open {
  display: flex;
}

.mobile-nav a {
  font-family: var(--font-serif);
  font-size: var(--text-xl);
}

.mobile-nav__close {
  position: absolute;
  top: var(--space-md);
  right: var(--space-lg);
  background: none;
  border: none;
  font-size: var(--text-lg);
  cursor: pointer;
  color: var(--ink-main);
}

@media (min-width: 1024px) {
  .header__nav {
    display: flex;
  }
  .header__burger {
    display: none;
  }
}

/* --- Footer --- */

.footer {
  background-color: var(--accent);
  color: #fff;
  padding: var(--space-xl) var(--space-lg);
}

.footer a {
  color: #fff;
}

.footer__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  max-width: 1200px;
  margin: 0 auto;
}

.footer__section h3 {
  font-family: var(--font-sans);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  font-size: var(--text-sm);
  font-weight: 600;
  margin-bottom: var(--space-sm);
}

.footer__section p {
  font-size: var(--text-sm);
  color: var(--bg-alt);
  line-height: 1.6;
}

.footer__bottom {
  margin-top: var(--space-lg);
  padding-top: var(--space-md);
  border-top: 1px solid var(--ink-muted);
  text-align: center;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
}

.footer__bottom img {
  height: 30px;
  width: auto;
  display: inline-block;
  filter: brightness(0) invert(1);
}

.qr-code {
  width: 120px;
  height: 120px;
  filter: none;
}

@media (min-width: 1024px) {
  .footer__grid {
    grid-template-columns: 1fr 1fr;
  }
}

/* --- Hero --- */

.hero {
  position: relative;
  min-height: 70vh;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
}

.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.7) 0%, transparent 60%);
  z-index: 0;
}

.hero__image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero__overlay {
  position: relative;
  z-index: 1;
  padding: var(--space-xl) var(--space-lg);
  color: var(--bg-base);
}

.hero__overlay h1 {
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: var(--text-hero);
  text-transform: uppercase;
  letter-spacing: 0.02em;
  line-height: 1;
  margin-bottom: var(--space-xs);
}

/* --- Presentation 2-col --- */

.presentation {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  padding: var(--space-xl) var(--space-lg);
  max-width: 1200px;
  margin: 0 auto;
}

.presentation__photo {
  width: 100%;
  max-width: 300px;
}

@media (min-width: 1024px) {
  .presentation {
    grid-template-columns: 300px 1fr;
  }
}

/* --- Big typography blocks --- */

.typo-block {
  padding: var(--space-xl) var(--space-lg);
  max-width: 1200px;
  margin: 0 auto;
}

.typo-block__title {
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(2.5rem, 8vw, 5rem);
  line-height: 1;
  margin-bottom: var(--space-md);
}

.typo-block__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}

@media (min-width: 1024px) {
  .typo-block__grid {
    grid-template-columns: 1fr 1fr;
  }
}

/* --- FAQ --- */

.faq {
  padding: var(--space-xl) var(--space-lg);
  max-width: 1200px;
  margin: 0 auto;
}

.faq__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}

.faq__category-title {
  font-family: var(--font-sans);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  font-size: var(--text-sm);
  font-weight: 600;
  padding: var(--space-sm);
  background-color: var(--ink-main);
  color: #fff;
}

.faq__category-title--accent {
  background-color: var(--accent);
}

.faq details {
  border-bottom: var(--border);
}

.faq summary {
  padding: var(--space-sm) 0;
  cursor: pointer;
  font-weight: 500;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq summary::after {
  content: '+';
  font-size: var(--text-md);
  transition: transform 0.3s;
}

.faq details[open] summary::after {
  content: '−';
}

.faq details p {
  padding: 0 0 var(--space-sm);
  color: var(--ink-muted);
  font-size: var(--text-base);
  line-height: 1.6;
}

@media (min-width: 1024px) {
  .faq__grid {
    grid-template-columns: 1fr 1fr;
  }
}

/* --- CTA band --- */

.cta-band {
  border-top: var(--border);
  border-bottom: var(--border);
}

.cta-band__images {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.cta-band__images img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.cta-band__text {
  padding: var(--space-lg);
  text-align: center;
  background-color: var(--ink-main);
  color: #fff;
}

.cta-band__text h2 {
  font-family: var(--font-sans);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  font-weight: 700;
}

/* --- Coaches page --- */

.coaches-title {
  text-align: center;
  padding: var(--space-xl) var(--space-lg) var(--space-lg);
}

.coaches-title h1,
.placeholder h1,
.contact-grid h1 {
  font-family: var(--font-sans);
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.coach-card {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  padding: var(--space-xl) var(--space-lg);
  max-width: 1200px;
  margin: 0 auto;
  border-bottom: var(--border);
}

.coach-card__photo {
  width: 100%;
  max-width: 250px;
  aspect-ratio: 1;
  object-fit: cover;
}

.coach-card__name {
  font-weight: 700;
  margin-bottom: 4px;
}

.coach-card__title {
  margin-bottom: var(--space-sm);
}

.coach-card__bio {
  color: var(--ink-muted);
  line-height: 1.6;
}

@media (min-width: 1024px) {
  .coach-card {
    grid-template-columns: 250px 1fr;
  }
}

/* --- Contact page --- */

.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
  padding: var(--space-xl) var(--space-lg);
  max-width: 1200px;
  margin: 0 auto;
}

.contact-form label {
  display: block;
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  font-weight: 500;
  margin-bottom: var(--space-xs);
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: var(--space-sm);
  border: var(--border);
  background: transparent;
  font-family: var(--font-sans);
  font-size: var(--text-base);
  color: var(--ink-main);
  margin-bottom: var(--space-md);
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: 2px solid var(--ink-main);
  outline-offset: 2px;
}

.contact-form textarea {
  min-height: 150px;
  resize: vertical;
}

.contact-form .error-message {
  color: var(--ink-main);
  font-size: var(--text-sm);
  font-weight: 500;
  margin-bottom: var(--space-sm);
}

@media (min-width: 1024px) {
  .contact-grid {
    grid-template-columns: 1fr 1fr;
  }
}

/* --- Placeholder pages --- */

.placeholder {
  text-align: center;
  padding: var(--space-xl);
  min-height: 50vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}