/* ====================================
   BASE — ASA Aikido Comar
   Variables, reset, tipografía, nav,
   whatsapp-float, footer, reveal
==================================== */

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

:root {
  /* Brand */
  --asa-celeste:   #00A3E0;
  --asa-celeste-d: #0087BA;
  --asa-dorado:    #D4AF37;
  --asa-dorado-d:  #B8962E;
  --asa-negro:     #111111;
  --asa-negro-mid: #1A1A1A;
  --asa-blanco:    #FFFFFF;
  --asa-crema:     #F8F6F0;
  --asa-gris:      #666666;
  --asa-gris-l:    #999999;
  --asa-border:    #E8E6E0;

  /* Type */
  --font-display: 'Cormorant Garamond', Georgia, serif;
  --font-jp:      'Noto Serif JP', serif;
  --font-body:    'DM Sans', system-ui, sans-serif;

  /* Layout */
  --max-w: 1180px;
  --max-w-narrow: 920px;
  --section-py: clamp(64px, 9vw, 130px);
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--asa-blanco);
  color: var(--asa-negro);
  font-weight: 300;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 1.12;
}

h1 { font-size: clamp(44px, 6.8vw, 92px); font-weight: 300; letter-spacing: -0.02em; }
h2 { font-size: clamp(32px, 4.5vw, 58px); letter-spacing: -0.015em; }
h3 { font-size: clamp(20px, 2.2vw, 26px); }
em { font-style: italic; }

/* Focus ring accesible */
:focus-visible {
  outline: 2px solid var(--asa-celeste);
  outline-offset: 3px;
}

.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 clamp(20px, 5vw, 60px);
}

.container--narrow {
  max-width: var(--max-w-narrow);
}

/* ====================================
   NAV — compartido en todas las páginas
==================================== */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(17, 17, 17, 0.97);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  height: 68px;
  display: flex;
  align-items: center;
  border-bottom: 1px solid rgba(212, 175, 55, 0.15);
}

.nav__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 clamp(20px, 5vw, 60px);
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.nav__brand {
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
}

.nav__brand-main {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 500;
  color: var(--asa-blanco);
  letter-spacing: 0.04em;
  line-height: 1;
}

.nav__brand-sub {
  font-size: 9px;
  font-weight: 500;
  color: var(--asa-celeste);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-top: 3px;
}

.nav__links {
  display: flex;
  list-style: none;
  gap: 28px;
}

.nav__links a {
  font-size: 11.5px;
  font-weight: 400;
  letter-spacing: 0.05em;
  color: rgba(255, 255, 255, 0.5);
  transition: color 0.2s;
  text-transform: uppercase;
}

.nav__links a:hover,
.nav__links a.active {
  color: var(--asa-blanco);
}

.nav__cta {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--asa-blanco);
  background: var(--asa-celeste);
  padding: 10px 22px;
  transition: background 0.2s;
  flex-shrink: 0;
}

.nav__cta:hover { background: var(--asa-celeste-d); }

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

.nav__hamburger span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--asa-blanco);
  transition: all 0.28s;
}

.nav__hamburger[aria-expanded="true"] span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav__hamburger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav__hamburger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

.nav__drawer {
  display: none;
  position: fixed;
  top: 68px;
  left: 0; right: 0;
  background: rgba(17, 17, 17, 0.98);
  backdrop-filter: blur(12px);
  border-top: 1px solid rgba(212, 175, 55, 0.1);
  padding: 20px clamp(20px, 5vw, 60px) 28px;
  flex-direction: column;
  gap: 0;
  z-index: 99;
}

.nav__drawer.open { display: flex; }

.nav__drawer a {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.6);
  padding: 14px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  transition: color 0.2s;
}

.nav__drawer a:last-of-type { border-bottom: none; }
.nav__drawer a:hover { color: var(--asa-blanco); }

.nav__drawer .btn--gold {
  align-self: flex-start;
  margin-top: 20px;
}

/* ====================================
   BUTTONS
==================================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 15px 30px;
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: all 0.25s ease;
  text-decoration: none;
  white-space: nowrap;
}

.btn--primary    { background: var(--asa-celeste); color: var(--asa-blanco); border-color: var(--asa-celeste); }
.btn--primary:hover { background: var(--asa-celeste-d); border-color: var(--asa-celeste-d); }

.btn--gold       { background: var(--asa-dorado); color: var(--asa-blanco); border-color: var(--asa-dorado); }
.btn--gold:hover { background: var(--asa-dorado-d); border-color: var(--asa-dorado-d); }

.btn--ghost-light       { background: transparent; color: rgba(255,255,255,0.6); border-color: rgba(255,255,255,0.22); }
.btn--ghost-light:hover { color: var(--asa-blanco); border-color: rgba(255,255,255,0.55); }

.btn--ghost      { background: transparent; color: var(--asa-negro); border-color: var(--asa-border); }
.btn--ghost:hover { border-color: var(--asa-negro); }

.btn--dark       { background: var(--asa-negro); color: var(--asa-blanco); border-color: var(--asa-negro); }
.btn--dark:hover { background: var(--asa-negro-mid); }

.btn--whatsapp {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: #25D366;
  color: #fff;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.04em;
  padding: 13px 24px;
  transition: background 0.2s;
  border: none;
  cursor: pointer;
}
.btn--whatsapp:hover { background: #1ebe5b; }

/* ====================================
   SCROLL REVEAL
==================================== */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}
.reveal.in-view {
  opacity: 1;
  transform: translateY(0);
}

/* ====================================
   WHATSAPP FLOAT
==================================== */
.whatsapp-float {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 60px;
  height: 60px;
  background: #25D366;
  color: var(--asa-blanco);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  z-index: 200;
  box-shadow: 0 8px 25px rgba(37,211,102,0.35);
  transition: transform 0.3s, box-shadow 0.3s;
  text-decoration: none;
  animation: wa-pulse 2.5s infinite;
}

.whatsapp-float:hover {
  transform: scale(1.1) rotate(5deg);
  box-shadow: 0 12px 35px rgba(37,211,102,0.45);
}

@keyframes wa-pulse {
  0%, 100% { box-shadow: 0 8px 25px rgba(37,211,102,0.35); }
  50%      { box-shadow: 0 8px 25px rgba(37,211,102,0.35), 0 0 0 12px rgba(37,211,102,0.1); }
}

/* ====================================
   FOOTER — compartido
==================================== */
.footer {
  background: var(--asa-negro);
  border-top: 1px solid rgba(212, 175, 55, 0.12);
  padding: 56px 0 32px;
}

.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  flex-wrap: wrap;
}

.footer__brand {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 400;
  color: var(--asa-blanco);
  line-height: 1;
}

.footer__brand span {
  display: block;
  font-family: var(--font-body);
  font-size: 9px;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--asa-celeste);
  margin-top: 5px;
}

.footer__links {
  display: flex;
  gap: 24px;
  list-style: none;
  flex-wrap: wrap;
}

.footer__links a {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.35);
  transition: color 0.2s;
}

.footer__links a:hover { color: var(--asa-blanco); }

.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 36px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  gap: 20px;
  flex-wrap: wrap;
}

.footer__copy {
  font-size: 11px;
  color: rgba(255, 255, 255, 0.25);
  letter-spacing: 0.04em;
}

.footer__credit {
  font-size: 10px;
  color: rgba(255, 255, 255, 0.3);
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.footer__credit a {
  color: var(--asa-celeste);
  transition: color 0.2s;
}

.footer__credit a:hover { color: var(--asa-blanco); }

/* ====================================
   SECTION BASE — utilidades compartidas
==================================== */
.section        { padding: var(--section-py) 0; }
.section--dark  { background: var(--asa-negro); color: var(--asa-blanco); }
.section--alt   { background: var(--asa-crema); }

.section__header { margin-bottom: clamp(36px, 6vw, 72px); }

.section__kicker {
  display: inline-block;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--asa-celeste);
  margin-bottom: 12px;
}

/* ====================================
   RESPONSIVE — nav compartido
==================================== */
@media (max-width: 780px) {
  .nav__links,
  .nav__cta--desktop {
    display: none;
  }
  .nav__hamburger { display: flex; }
}

@media (max-width: 900px) {
  .footer__inner { flex-direction: column; text-align: center; }
  .footer__links { justify-content: center; }
  .footer__bottom { flex-direction: column; text-align: center; }
}