:root {
  --red-950: #4b050a;
  --red-900: #65070e;
  --red-800: #8f0d16;
  --red-700: #b31320;
  --red-600: #c71927;
  --charcoal: #252934;
  --slate: #535963;
  --white: #ffffff;
  --whatsapp: #25d366;
  --radius-lg: 28px;
}

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

body {
  margin: 0;
  min-width: 320px;
  min-height: 100vh;
  color: var(--white);
  background:
    radial-gradient(circle at 82% 16%, rgba(255, 255, 255, 0.09), transparent 22%),
    linear-gradient(135deg, var(--red-700) 0%, var(--red-800) 42%, var(--red-950) 100%);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -3;
  background: linear-gradient(90deg, rgba(19, 0, 2, 0.18), transparent 42%, rgba(19, 0, 2, 0.28));
}

a { color: inherit; }

.page-shell {
  position: relative;
  isolation: isolate;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.decor { position: absolute; z-index: -2; pointer-events: none; }
.decor-one {
  width: 62vw;
  height: 68vw;
  left: -30vw;
  top: -20vw;
  transform: rotate(18deg);
  border-radius: 42px;
  background: linear-gradient(150deg, rgba(255, 255, 255, 0.12), rgba(255, 255, 255, 0.015));
}
.decor-two {
  width: 48vw;
  height: 48vw;
  right: -20vw;
  bottom: -25vw;
  transform: rotate(26deg);
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(48, 0, 4, 0.18);
}
.decor-grid {
  position: absolute;
  inset: 0 0 0 auto;
  width: 48%;
  z-index: -2;
  opacity: 0.2;
  background-image:
    linear-gradient(rgba(255,255,255,0.11) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.11) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(to left, #000, transparent);
}

.site-header,
.hero,
.courses-section,
.site-footer {
  width: min(1180px, calc(100% - 48px));
  margin-inline: auto;
}

.site-header {
  min-height: 116px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding-block: 24px;
}

.brand { display: inline-flex; align-items: center; text-decoration: none; }
.brand img {
  width: min(238px, 46vw);
  height: auto;
  display: block;
  filter: drop-shadow(0 10px 18px rgba(26, 0, 3, 0.24));
}

.header-tools { display: flex; align-items: center; gap: 20px; }
.courses-link {
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 0 15px;
  border: 1px solid rgba(255,255,255,.24);
  border-radius: 999px;
  background: rgba(255,255,255,.09);
  text-decoration: none;
  font-size: .9rem;
  font-weight: 800;
  transition: background 180ms ease, transform 180ms ease;
}
.courses-link:hover { background: rgba(255,255,255,.16); transform: translateY(-2px); }
.header-contact {
  display: flex;
  align-items: center;
  gap: 10px;
  color: rgba(255, 255, 255, 0.91);
  font-size: 0.98rem;
  font-weight: 700;
  white-space: nowrap;
}
.header-contact a { text-decoration: none; transition: opacity 180ms ease; }
.header-contact a:hover { opacity: 0.72; }

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.22fr) minmax(340px, 0.78fr);
  align-items: center;
  gap: clamp(42px, 7vw, 96px);
  padding: clamp(46px, 8vh, 84px) 0 clamp(66px, 9vh, 96px);
}
.hero-copy { max-width: 730px; }
.eyebrow {
  margin: 0 0 10px;
  color: rgba(255, 255, 255, 0.72);
  font-size: clamp(0.9rem, 1.5vw, 1rem);
  font-weight: 800;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}
h1 {
  max-width: 720px;
  margin: 0;
  font-size: clamp(2.25rem, 4.6vw, 4.35rem);
  line-height: 1.02;
  letter-spacing: -0.045em;
  text-wrap: balance;
}
.description {
  max-width: 760px;
  margin: 26px 0 0;
  color: rgba(255, 255, 255, 0.83);
  font-size: clamp(1rem, 1.8vw, 1.14rem);
  line-height: 1.75;
}

.contact-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }
.button {
  min-height: 54px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 11px;
  padding: 0 22px;
  border: 1px solid transparent;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 800;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}
.button:hover { transform: translateY(-2px); }
.button-primary {
  background: var(--white);
  color: var(--red-800);
  box-shadow: 0 14px 30px rgba(56, 0, 4, 0.22);
}
.button-primary:hover { box-shadow: 0 18px 36px rgba(56, 0, 4, 0.3); }
.button-secondary {
  border-color: rgba(255, 255, 255, 0.32);
  background: rgba(255, 255, 255, 0.08);
  color: var(--white);
  backdrop-filter: blur(10px);
}
.button-secondary:hover { background: rgba(255, 255, 255, 0.14); }

.info-card {
  position: relative;
  padding: clamp(25px, 4vw, 36px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-lg);
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.15), rgba(255, 255, 255, 0.07));
  box-shadow: 0 28px 70px rgba(28, 0, 3, 0.36);
  backdrop-filter: blur(22px);
  overflow: hidden;
}
.info-card::before {
  content: "";
  position: absolute;
  width: 180px;
  height: 180px;
  right: -80px;
  top: -88px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.13);
}
.card-heading { position: relative; display: flex; align-items: center; gap: 16px; }
.card-icon {
  width: 52px;
  height: 52px;
  flex: 0 0 52px;
  display: grid;
  place-items: center;
  border-radius: 16px;
  background: var(--white);
  color: var(--red-800);
  font-size: 1.25rem;
  box-shadow: 0 12px 24px rgba(40, 0, 3, 0.2);
}
.card-heading p,
.card-heading h2,
.social-title { margin: 0; }
.card-heading p {
  margin-bottom: 4px;
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.79rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.card-heading h2 { font-size: clamp(1.35rem, 2.7vw, 1.7rem); line-height: 1.2; }

.phone-list { display: grid; gap: 10px; margin-top: 27px; }
.phone-list a {
  min-height: 50px;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 16px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 14px;
  background: rgba(29, 0, 2, 0.16);
  text-decoration: none;
  font-weight: 750;
  transition: background 180ms ease, transform 180ms ease;
}
.phone-list a:hover { background: rgba(255, 255, 255, 0.12); transform: translateX(3px); }
.phone-list i { width: 22px; text-align: center; color: rgba(255, 255, 255, 0.78); }
.divider { height: 1px; margin: 28px 0 23px; background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent); }
.social-title { color: rgba(255, 255, 255, 0.72); font-size: 0.86rem; font-weight: 800; letter-spacing: 0.03em; }
.social-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; margin-top: 15px; }
.social-grid a {
  min-width: 0;
  min-height: 46px;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 13px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 13px;
  background: rgba(255, 255, 255, 0.07);
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 740;
  transition: background 180ms ease, transform 180ms ease;
}
.social-grid a:hover { background: rgba(255, 255, 255, 0.15); transform: translateY(-2px); }
.social-grid i { width: 18px; text-align: center; font-size: 1.02rem; }
.social-grid span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.courses-section { padding: 18px 0 clamp(76px, 10vh, 112px); }
.section-heading { max-width: 860px; margin: 0 auto 30px; text-align: center; }
.section-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 8px;
  color: rgba(255,255,255,.72);
  font-size: .83rem;
  font-weight: 850;
  letter-spacing: .1em;
  text-transform: uppercase;
}
.section-heading h2 {
  margin: 0;
  font-size: clamp(2.2rem, 5vw, 4rem);
  line-height: 1.05;
  letter-spacing: -.04em;
}
.month-group + .month-group { margin-top: 56px; }
.month-divider {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 18px;
  margin-bottom: 24px;
}
.month-divider span {
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.42));
}
.month-divider span:last-child {
  background: linear-gradient(90deg, rgba(255,255,255,.42), transparent);
}
.month-divider h3 {
  margin: 0;
  padding: 9px 20px;
  border: 1px solid rgba(255,255,255,.28);
  border-radius: 999px;
  background: rgba(255,255,255,.1);
  color: var(--white);
  font-size: 1.15rem;
  font-weight: 900;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.courses-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}
.course-item {
  overflow: hidden;
  background: var(--white);
  color: var(--charcoal);
  box-shadow: 0 20px 50px rgba(35,0,3,.28);
}
.course-thumb {
  position: relative;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  background: var(--red-900);
}
.course-thumb::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0.04), rgba(0,0,0,0.24));
}
.course-thumb img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}
.course-body {
  display: flex;
  flex-direction: column;
  padding: 22px 22px 24px;
}
.course-type {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 10px;
  color: var(--red-700);
  font-size: .82rem;
  font-weight: 850;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.course-body h4 {
  margin: 0;
  color: var(--charcoal);
  font-size: 1.35rem;
  line-height: 1.2;
}
.course-body p:not(.course-type) {
  margin: 14px 0 0;
  color: var(--slate);
  font-size: .96rem;
  line-height: 1.7;
}
.course-mini-link {
  width: fit-content;
  margin-top: 18px;
  color: var(--red-700);
  text-decoration: none;
  font-size: .95rem;
  font-weight: 800;
}
.course-mini-link:hover { color: var(--red-800); text-decoration: underline; }

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 22px 0 30px;
  color: rgba(255, 255, 255, 0.58);
  font-size: 0.82rem;
}
.site-footer p { margin: 0; }

.whatsapp-float {
  position: fixed;
  right: max(18px, env(safe-area-inset-right));
  bottom: max(18px, env(safe-area-inset-bottom));
  z-index: 20;
  min-height: 60px;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 22px;
  border: 2px solid rgba(255, 255, 255, 0.42);
  border-radius: 999px;
  background: var(--whatsapp);
  color: #fff !important;
  text-decoration: none;
  font-weight: 900;
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.28);
  transition: transform 180ms ease, box-shadow 180ms ease;
}
.whatsapp-float i { color: var(--white); font-size: 1.55rem; }
.whatsapp-float:hover { transform: translateY(-3px) scale(1.01); box-shadow: 0 23px 48px rgba(0, 0, 0, 0.34); }

@media (max-width: 1120px) {
  .courses-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 980px) {
  .site-header { align-items: flex-start; }
  .header-tools { align-items: flex-end; flex-direction: column-reverse; gap: 12px; }
  .hero { grid-template-columns: 1fr; gap: 46px; padding-top: 36px; }
  .hero-copy { max-width: 780px; }
  .info-card { max-width: 660px; }
  .decor-grid { width: 100%; opacity: 0.12; }
}

@media (max-width: 640px) {
  .site-header, .hero, .courses-section, .site-footer { width: min(100% - 30px, 1180px); }
  .site-header {
    min-height: 0;
    flex-direction: column;
    align-items: center;
    gap: 18px;
    padding-block: 22px 10px;
    text-align: center;
  }
  .brand { width: 100%; justify-content: center; }
  .brand img { width: min(220px, 70vw); }
  .header-tools {
    width: 100%;
    align-items: center;
    flex-direction: column;
    gap: 12px;
  }
  .courses-link { min-height: 40px; justify-content: center; }
  .header-contact {
    width: auto;
    justify-content: center;
    flex-wrap: wrap;
    font-size: 0.91rem;
  }
  .hero { padding: 38px 0 82px; }
  h1 { font-size: clamp(2.2rem, 11.5vw, 3.55rem); }
  .description { line-height: 1.65; }
  .contact-actions { display: grid; grid-template-columns: 1fr; }
  .button { width: 100%; }
  .info-card { border-radius: 22px; }
  .social-grid { grid-template-columns: 1fr; }
  .courses-section { padding-top: 4px; }
  .courses-grid { grid-template-columns: 1fr; gap: 18px; }
  .course-item { border-radius: 22px; }
  .course-body { padding: 20px 18px 22px; }
  .month-group + .month-group { margin-top: 42px; }
  .month-divider { gap: 12px; margin-bottom: 18px; }
  .month-divider h3 { padding: 8px 16px; font-size: 1rem; }
  .site-footer { flex-direction: column; padding-bottom: 110px; }
  .whatsapp-float { right: 14px; bottom: 14px; min-height: 56px; padding: 0 18px; }
}

@media (max-width: 420px) {
  .whatsapp-float span { display: none; }
  .whatsapp-float { width: 58px; padding: 0; justify-content: center; }
  .whatsapp-float i { font-size: 1.7rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}