/* ── Reset & Base ── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --color-bg: #f8f7f4;
  --color-surface: #ffffff;
  --color-text: #1a1a1a;
  --color-text-muted: #5c5c5c;
  --color-accent: #2d5a3d;
  --color-accent-light: #3d7a52;
  --color-accent-pale: #e8f2ec;
  --color-border: #e2e0db;
  --color-dark: #141414;
  --font-sans: 'DM Sans', system-ui, sans-serif;
  --font-serif: 'Instrument Serif', Georgia, serif;
  --radius: 12px;
  --radius-lg: 20px;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 12px 48px rgba(0, 0, 0, 0.1);
  --transition: 0.25s ease;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

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

img {
  max-width: 100%;
  display: block;
}

ul {
  list-style: none;
}

.container {
  width: 100%;
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ── Header ── */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(248, 247, 244, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo__mark {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: var(--color-accent);
  color: #fff;
  font-weight: 700;
  font-size: 13px;
  border-radius: 8px;
  letter-spacing: -0.5px;
}

.logo__text {
  font-weight: 600;
  font-size: 15px;
  letter-spacing: -0.3px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav__link {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text-muted);
  transition: color var(--transition);
}

.nav__link:hover {
  color: var(--color-text);
}

.nav__link--cta {
  background: var(--color-accent);
  color: #fff !important;
  padding: 10px 20px;
  border-radius: 8px;
  transition: background var(--transition);
}

.nav__link--cta:hover {
  background: var(--color-accent-light);
}

.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.burger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: var(--transition);
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 600;
  padding: 14px 28px;
  border-radius: 10px;
  border: none;
  cursor: pointer;
  transition: all var(--transition);
}

.btn--primary {
  background: var(--color-accent);
  color: #fff;
}

.btn--primary:hover {
  background: var(--color-accent-light);
  transform: translateY(-1px);
}

.btn--ghost {
  background: transparent;
  color: var(--color-text);
  border: 1.5px solid var(--color-border);
}

.btn--ghost:hover {
  border-color: var(--color-text-muted);
}

.btn--large {
  padding: 16px 36px;
  font-size: 16px;
}

/* ── Hero ── */
.hero {
  padding: 80px 0 100px;
  overflow: hidden;
}

.hero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero__eyebrow {
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--color-accent);
  margin-bottom: 20px;
}

.hero__title {
  font-family: var(--font-serif);
  font-size: clamp(2.5rem, 5vw, 3.75rem);
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -1px;
  margin-bottom: 24px;
}

.hero__title em {
  font-style: italic;
  color: var(--color-accent);
}

.hero__desc {
  font-size: 17px;
  color: var(--color-text-muted);
  max-width: 480px;
  margin-bottom: 32px;
  line-height: 1.7;
}

.hero__actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.hero__stats {
  display: flex;
  gap: 40px;
}

.stat__value {
  display: block;
  font-size: 28px;
  font-weight: 700;
  color: var(--color-accent);
  letter-spacing: -1px;
}

.stat__label {
  font-size: 13px;
  color: var(--color-text-muted);
}

.hero__visual {
  position: relative;
  height: 400px;
}

.hero__card {
  position: absolute;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px 28px;
  box-shadow: var(--shadow);
  display: flex;
  align-items: center;
  gap: 14px;
  font-weight: 600;
  font-size: 15px;
}

.hero__card-icon {
  font-size: 22px;
  color: var(--color-accent);
}

.hero__card--1 {
  top: 40px;
  left: 20px;
  animation: float 6s ease-in-out infinite;
}

.hero__card--2 {
  top: 160px;
  right: 0;
  animation: float 6s ease-in-out 2s infinite;
}

.hero__card--3 {
  bottom: 40px;
  left: 60px;
  animation: float 6s ease-in-out 4s infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

/* ── Sections ── */
.section-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 56px;
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 400;
  letter-spacing: -0.5px;
  margin-bottom: 16px;
}

.section-desc {
  font-size: 16px;
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* ── Courses ── */
.courses {
  padding: 100px 0;
  background: var(--color-surface);
}

.courses__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.course-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  display: flex;
  flex-direction: column;
  transition: all var(--transition);
}

.course-card:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow);
  transform: translateY(-4px);
}

.course-card--featured {
  background: var(--color-accent-pale);
  border-color: var(--color-accent);
}

.course-card__type {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  color: var(--color-text-muted);
  margin-bottom: 10px;
}

.course-card__badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--color-accent);
  background: var(--color-accent-pale);
  padding: 4px 10px;
  border-radius: 6px;
  width: fit-content;
  margin-bottom: 16px;
}

.course-card--featured .course-card__badge {
  background: var(--color-accent);
  color: #fff;
}

.course-card__title {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.3px;
  margin-bottom: 12px;
}

.course-card__desc {
  font-size: 14px;
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: 20px;
  flex-grow: 1;
}

.course-card__list {
  margin-bottom: 24px;
}

.course-card__list li {
  font-size: 13px;
  color: var(--color-text-muted);
  padding: 4px 0;
  padding-left: 16px;
  position: relative;
}

.course-card__list li::before {
  content: '·';
  position: absolute;
  left: 4px;
  color: var(--color-accent);
  font-weight: 700;
}
/* ── Benefits ── */
.benefits {
  padding: 100px 0;
}

.benefits__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.benefit {
  padding: 36px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.benefit__icon {
  font-size: 14px;
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: 16px;
  letter-spacing: 1px;
}

.benefit__title {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 10px;
  letter-spacing: -0.3px;
}

.benefit__desc {
  font-size: 15px;
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* ── How It Works ── */
.how-it-works {
  padding: 100px 0;
  background: var(--color-surface);
}

.steps {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 24px;
}

.step {
  flex: 1;
  max-width: 280px;
  text-align: center;
  padding: 32px 24px;
}

.step__number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: var(--color-accent);
  color: #fff;
  font-weight: 700;
  font-size: 18px;
  border-radius: 50%;
  margin-bottom: 20px;
}

.step__title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 10px;
}

.step__desc {
  font-size: 14px;
  color: var(--color-text-muted);
  line-height: 1.6;
}

.step__arrow {
  font-size: 24px;
  color: var(--color-border);
  padding-top: 48px;
}

/* ── CTA ── */
.cta {
  padding: 100px 0;
}

.cta__inner {
  text-align: center;
  background: var(--color-dark);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: 72px 48px;
}

.cta__title {
  font-family: var(--font-serif);
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 400;
  margin-bottom: 16px;
}

.cta__desc {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 32px;
}

.cta .btn--primary {
  background: #fff;
  color: var(--color-dark);
}

.cta .btn--primary:hover {
  background: var(--color-accent-pale);
}

/* ── Footer ── */
.footer {
  background: var(--color-dark);
  color: rgba(255, 255, 255, 0.7);
  padding-top: 64px;
}

.footer__inner {
  display: flex;
  justify-content: space-between;
  gap: 48px;
  padding-bottom: 48px;
}

.footer .logo__text {
  color: #fff;
}

.footer__tagline {
  font-size: 14px;
  margin-top: 12px;
  max-width: 280px;
  line-height: 1.6;
}

.footer__links {
  display: flex;
  gap: 48px;
  flex-wrap: wrap;
}

.footer__col--contact {
  max-width: 220px;
}

.footer__address {
  font-size: 14px;
  line-height: 1.6;
}

.footer__heading {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: rgba(255, 255, 255, 0.4);
  margin-bottom: 16px;
}

.footer__col {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer__col a {
  font-size: 14px;
  transition: color var(--transition);
}

.footer__col a:hover {
  color: #fff;
}

.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 24px 0;
}

.footer__bottom p {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.4);
}

/* ── Legal Pages ── */
.legal-page {
  padding: 60px 0 100px;
}

.legal-page__inner {
  max-width: 760px;
}

.legal-page__title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 400;
  margin-bottom: 8px;
}

.legal-page__updated {
  font-size: 14px;
  color: var(--color-text-muted);
  margin-bottom: 32px;
}

.legal-page__notice {
  background: var(--color-accent-pale);
  border: 1px solid var(--color-accent);
  border-radius: var(--radius);
  padding: 20px 24px;
  font-size: 15px;
  line-height: 1.6;
  margin-bottom: 40px;
  color: var(--color-accent);
}

.legal-page__content section {
  margin-bottom: 36px;
}

.legal-page__content h2 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 12px;
  letter-spacing: -0.3px;
}

.legal-page__content p {
  font-size: 15px;
  color: var(--color-text-muted);
  line-height: 1.75;
  margin-bottom: 12px;
}

.legal-page__content ul {
  list-style: disc;
  padding-left: 24px;
  margin-bottom: 12px;
}

.legal-page__content li {
  font-size: 15px;
  color: var(--color-text-muted);
  line-height: 1.75;
  margin-bottom: 6px;
}

.legal-page__content a {
  color: var(--color-accent);
  text-decoration: underline;
}

.legal-page__content a:hover {
  color: var(--color-accent-light);
}

/* ── Responsive ── */
@media (max-width: 1024px) {
  .courses__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .hero__inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .hero__visual {
    height: 280px;
  }
}

@media (max-width: 768px) {
  .burger {
    display: flex;
  }

  .nav {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--color-surface);
    flex-direction: column;
    padding: 24px;
    gap: 16px;
    border-bottom: 1px solid var(--color-border);
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: all var(--transition);
  }

  .nav--open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }

  .nav__link--cta {
    text-align: center;
  }

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

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

  .steps {
    flex-direction: column;
    align-items: center;
  }

  .step__arrow {
    display: none;
  }

  .hero__stats {
    gap: 24px;
  }

  .footer__inner {
    flex-direction: column;
  }

  .footer__links {
    gap: 40px;
  }

  .cta__inner {
    padding: 48px 24px;
  }
}