/* ==========================================================================
   Iván Carvajal — landing "Rendimiento Real"
   Identidad: nutrición basada en ciencia + rendimiento + tecnología de salud.
   Azul noche editorial, esmeralda como acento principal, turquesa como
   acento secundario (dato/tecnología) y lima solo para detalles puntuales.
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Anton&family=Barlow+Condensed:wght@600;700;800;900&family=Inter:wght@400;500;600;700&display=swap');

:root {
  /* Superficies */
  --ink: #0b1320;          /* azul noche — fondo oscuro principal */
  --ink-2: #172536;         /* azul pizarra — superficies elevadas: tarjetas, inputs, franjas */
  --paper: #f5f4ef;         /* marfil mineral — fondo claro editorial */
  --carbon: #15202b;        /* carbón azulado — texto sobre fondos claros */
  --carbon-soft: #4b5a68;   /* texto secundario sobre fondos claros (derivado, para contraste AA) */

  /* Acentos */
  --accent: #16b887;        /* verde esmeralda — marca principal y CTA */
  --accent-deep: #0f9c72;   /* esmeralda hover/activo */
  --accent-2: #35c2c1;      /* turquesa — tecnología, datos, acento secundario */
  --lime: #b8f04a;          /* lima eléctrica — solo detalles puntuales */

  /* Texto y neutros */
  --muted: #8b9aaa;         /* gris azulado — texto secundario sobre fondo oscuro */
  --paper-text: #f8fafc;    /* blanco suave — texto sobre fondos oscuros */

  --line: rgba(248, 250, 252, 0.12);
  --line-strong: rgba(248, 250, 252, 0.22);
  --line-onlight: rgba(21, 32, 43, 0.14);

  --font-display: 'Anton', 'Arial Narrow', sans-serif;
  --font-label: 'Barlow Condensed', sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

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

body {
  margin: 0;
  background: var(--ink);
  color: var(--paper-text);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
}

.wrap {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
}

.eyebrow {
  font-family: var(--font-label);
  font-weight: 800;
  font-size: 13px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-2);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.eyebrow::before {
  content: '';
  width: 7px;
  height: 7px;
  background: var(--accent);
  border-radius: 50%;
  flex-shrink: 0;
}

.on-light .eyebrow { color: var(--accent-deep); }

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 400;
  text-transform: uppercase;
  line-height: 0.94;
  margin: 0;
  letter-spacing: 0.005em;
}

h2 { font-size: clamp(34px, 5.2vw, 56px); }
h3 { font-size: clamp(20px, 2.6vw, 26px); }

p { margin: 0; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-label);
  font-weight: 800;
  font-size: 15px;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  text-decoration: none;
  padding: 15px 26px;
  border: 2px solid var(--paper-text);
  border-radius: 4px;
  cursor: pointer;
  background: transparent;
  color: var(--paper-text);
  transition: transform 0.15s ease, background 0.15s ease, color 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
}

.btn:hover { transform: translateY(-2px); border-color: var(--accent-2); color: var(--accent-2); }
.btn:focus-visible { outline-offset: 3px; }
.btn:active { transform: translateY(0); }

.btn-primary {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--ink);
}

.btn-primary:hover {
  background: var(--accent-deep);
  border-color: var(--accent-deep);
  color: var(--ink);
  box-shadow: 0 8px 24px rgba(22, 184, 135, 0.28);
}

.on-light .btn { border-color: var(--carbon); color: var(--carbon); }
.on-light .btn:hover { border-color: var(--accent-deep); color: var(--accent-deep); }
.on-light .btn-primary { background: var(--accent); border-color: var(--accent); color: var(--ink); }
.on-light .btn-primary:hover { background: var(--accent-deep); border-color: var(--accent-deep); color: var(--ink); }

/* ---------- Nav ---------- */

.site-nav {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(11, 19, 32, 0.9);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--line);
}

.site-nav .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
}

.brand {
  display: flex;
  align-items: baseline;
  gap: 10px;
  text-decoration: none;
  font-family: var(--font-label);
}

.brand-name {
  font-weight: 900;
  font-size: 20px;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--paper-text);
}

.brand-tag {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink);
  background: var(--accent);
  padding: 3px 8px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 30px;
}

.nav-links a:not(.btn) {
  position: relative;
  font-family: var(--font-label);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--muted);
  padding-bottom: 3px;
}

.nav-links a:not(.btn)::after {
  content: '';
  position: absolute;
  left: 0;
  right: 100%;
  bottom: 0;
  height: 2px;
  background: var(--accent-2);
  transition: right 0.2s ease;
}

.nav-links a:not(.btn):hover { color: var(--paper-text); }
.nav-links a:not(.btn):hover::after { right: 0; }

@media (max-width: 760px) {
  .nav-links a:not(.btn):not(.nav-login) { display: none; }
  .nav-links .btn { padding: 11px 16px; font-size: 13px; }
  .nav-links a.nav-login {
    font-size: 12px;
    padding: 8px 10px;
    border: 1px solid var(--line-strong);
    border-radius: 100px;
  }
  .brand-tag { display: none; }
}

@media (max-width: 380px) {
  .brand-name { font-size: 16px; }
}

/* ---------- Hero ---------- */

.hero {
  position: relative;
  background:
    radial-gradient(ellipse 900px 500px at 12% -10%, rgba(22, 184, 135, 0.16), transparent 60%),
    radial-gradient(ellipse 700px 500px at 100% 20%, rgba(53, 194, 193, 0.12), transparent 55%),
    var(--ink);
  padding: 150px 0 80px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 60px;
  align-items: center;
}

.hero-inner { max-width: 560px; }

/* ---------- Slider: fotos completas, sin recortar ---------- */

.hero-slider {
  position: relative;
  aspect-ratio: 4 / 5;
  border: 1px solid var(--line-strong);
  background: var(--ink-2);
  overflow: hidden;
}

.hero-slider-track {
  display: flex;
  height: 100%;
  transition: transform 0.85s cubic-bezier(0.65, 0, 0.35, 1);
}

.hero-slide {
  position: relative;
  flex: 0 0 100%;
  height: 100%;
  overflow: hidden;
}

.hero-slide .bg {
  position: absolute;
  inset: -20px;
  background-size: cover;
  background-position: center;
  filter: blur(28px) brightness(0.45) saturate(1.1);
  transform: scale(1.15);
}

.hero-slide img {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
}

.hero-slider-dots {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 16px;
  z-index: 2;
  display: flex;
  justify-content: center;
  gap: 8px;
}

.hero-slider-dots button {
  width: 8px;
  height: 8px;
  padding: 0;
  border: none;
  border-radius: 50%;
  background: rgba(248, 250, 252, 0.32);
  cursor: pointer;
  transition: background 0.2s ease, transform 0.2s ease;
}

.hero-slider-dots button:hover { transform: scale(1.2); }
.hero-slider-dots button.active { background: var(--lime); }

@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; gap: 36px; }
  .hero-inner { max-width: none; order: 1; }
  .hero-slider { order: 2; aspect-ratio: 4 / 3; }
}

.hero h1 {
  font-size: clamp(48px, 8vw, 84px);
  margin-top: 18px;
  color: var(--paper-text);
}

.hero h1 em {
  font-style: normal;
  color: var(--accent-2);
}

.hero-sub {
  font-size: 18px;
  color: rgba(248, 250, 252, 0.78);
  max-width: 46ch;
  margin-top: 22px;
}

.hero-cta {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 34px;
}

/* ---------- Marquee ---------- */

.marquee {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
  background: var(--ink-2);
  padding: 16px 0;
}

.marquee-track {
  display: flex;
  width: max-content;
  animation: marquee 32s linear infinite;
}

@media (prefers-reduced-motion: reduce) {
  .marquee-track { animation: none; }
}

@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

.marquee-item {
  font-family: var(--font-label);
  font-weight: 800;
  font-size: 15px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--muted);
  white-space: nowrap;
  padding: 0 20px;
  display: flex;
  align-items: center;
  gap: 20px;
}

.marquee-item::after {
  content: '\25C6';
  color: var(--accent-2);
  font-size: 10px;
}

/* ---------- Partners: gimnasios donde llevo la nutrición ---------- */

.hero-partners {
  margin-top: 40px;
  padding-top: 26px;
  border-top: 2px solid var(--accent);
}

.hero-partners-label {
  display: block;
  font-family: var(--font-label);
  font-weight: 800;
  font-size: 14px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent-2);
  margin-bottom: 14px;
}

.hero-partners-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 28px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.hero-partners-list li {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 22px;
  letter-spacing: 0.01em;
  text-transform: uppercase;
  color: var(--paper-text);
  white-space: nowrap;
}

@media (max-width: 600px) {
  .hero-partners-list { gap: 8px 18px; }
  .hero-partners-list li { font-size: 17px; }
}

/* ---------- Sections ---------- */

section { padding: 90px 0; }

.on-light { background: var(--paper); color: var(--carbon); }
.on-dark { background: var(--ink); color: var(--paper-text); }

.section-head { max-width: 60ch; margin-bottom: 44px; }
.section-head h2 { margin-top: 10px; }
.section-head p { margin-top: 16px; font-size: 17px; }

.on-light .section-head p { color: var(--carbon-soft); }
.on-dark .section-head p { color: var(--muted); }

/* ---------- Method: 01/02/03 ---------- */

.method-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.method-card {
  background: var(--ink);
  color: var(--paper-text);
  padding: 34px 28px;
  border-top: 4px solid var(--accent);
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.method-card:hover { transform: translateY(-6px); border-top-color: var(--accent-2); }

.method-num {
  font-family: var(--font-display);
  font-size: 64px;
  line-height: 1;
  color: var(--paper-text);
}

.method-card h3 { margin-top: 18px; }

.method-card p {
  margin-top: 14px;
  color: var(--muted);
  font-size: 15px;
}

.method-tag {
  display: inline-block;
  margin-top: 20px;
  font-family: var(--font-label);
  font-weight: 800;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-2);
}

@media (max-width: 780px) {
  .method-grid { grid-template-columns: 1fr; }
}

/* ---------- Servicios ---------- */

.service-table { border-top: 2px solid var(--line); }

.service-row {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 18px;
  padding: 26px 0;
  border-bottom: 1px solid var(--line);
  transition: padding-left 0.2s ease, border-color 0.2s ease;
}

.service-row:hover { padding-left: 10px; border-color: var(--line-strong); }

.service-row .num {
  font-family: var(--font-display);
  font-size: 32px;
  color: var(--accent-2);
}

.service-row h3 { text-transform: uppercase; }
.service-row p { margin-top: 8px; color: var(--muted); max-width: 60ch; font-size: 15.5px; }

@media (max-width: 600px) {
  .service-row { grid-template-columns: 1fr; }
}

/* ---------- CTA banda ---------- */

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

.cta-band .eyebrow { justify-content: center; }
.cta-band h2 { margin-top: 14px; }
.cta-band p { margin-top: 18px; font-size: 17px; color: var(--carbon-soft); max-width: 52ch; margin-left: auto; margin-right: auto; }
.cta-band .hero-cta { justify-content: center; margin-top: 30px; }

/* ---------- Sobre mí ---------- */

.about-grid {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 56px;
  align-items: center;
}

.about-portrait {
  position: relative;
  aspect-ratio: 1;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  display: flex;
  align-items: flex-end;
  justify-content: center;
  overflow: hidden;
}

.about-portrait img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 15%;
  mix-blend-mode: normal;
}

.about-body p { color: var(--muted); font-size: 16px; margin-bottom: 16px; }
.about-body p:last-child { margin-bottom: 0; }

.about-location {
  margin-top: 22px;
  font-family: var(--font-label);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--accent-2);
}

@media (max-width: 720px) {
  .about-grid { grid-template-columns: 1fr; }
  .about-portrait { max-width: 240px; margin: 0 auto; }
}

/* ---------- Testimonios ---------- */

.reviews-strip {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 40px;
  font-family: var(--font-label);
}

.stars { color: var(--lime); letter-spacing: 2px; font-size: 15px; }

.reviews-count { color: var(--carbon-soft); font-size: 14px; }

.review-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.review-card {
  background: var(--ink);
  color: var(--paper-text);
  padding: 26px;
  border: 1px solid var(--line-strong);
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.review-card:hover { transform: translateY(-6px); border-color: var(--accent-2); }

.review-card .stars { color: var(--lime); margin-bottom: 14px; display: block; }

.review-card p {
  font-size: 15px;
  color: rgba(248, 250, 252, 0.78);
  line-height: 1.55;
}

.review-name {
  display: block;
  margin-top: 18px;
  font-family: var(--font-label);
  font-weight: 800;
  font-size: 13px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--accent-2);
}

@media (max-width: 860px) {
  .review-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
  .review-grid { grid-template-columns: 1fr; }
}

/* ---------- FAQ ---------- */

.faq-item { border-bottom: 1px solid var(--line); }

.faq-item summary {
  cursor: pointer;
  padding: 22px 0;
  font-family: var(--font-label);
  font-weight: 700;
  font-size: 18px;
  text-transform: uppercase;
  letter-spacing: 0.01em;
  display: flex;
  justify-content: space-between;
  align-items: center;
  list-style: none;
  gap: 20px;
  transition: color 0.15s ease;
}

.faq-item summary:hover { color: var(--accent-2); }

.faq-item summary::-webkit-details-marker { display: none; }

.faq-item summary::after {
  content: '+';
  font-family: var(--font-display);
  color: var(--accent-2);
  font-size: 24px;
  flex-shrink: 0;
  transition: transform 0.2s ease;
}

.faq-item[open] summary::after { content: '\2212'; }

.faq-item p {
  padding: 0 0 22px;
  color: var(--muted);
  max-width: 64ch;
  font-size: 15.5px;
}

/* ---------- Contacto ---------- */

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
}

.contact-list { list-style: none; margin: 0; padding: 0; }

.contact-list li {
  padding: 18px 0;
  border-bottom: 1px solid var(--line-onlight);
  display: flex;
  justify-content: space-between;
  gap: 16px;
  font-size: 15.5px;
}

.contact-list .label {
  font-family: var(--font-label);
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--carbon-soft);
  font-size: 13px;
}

.contact-list a { color: var(--accent-deep); text-decoration: none; }
.contact-list a:hover { text-decoration: underline; }

.field { margin-bottom: 18px; }

.field label {
  display: block;
  font-family: var(--font-label);
  font-weight: 700;
  font-size: 12.5px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--carbon-soft);
  margin-bottom: 7px;
}

.field input, .field select, .field textarea {
  width: 100%;
  font-family: var(--font-body);
  font-size: 15px;
  padding: 12px 13px;
  border: 1px solid var(--line-onlight);
  background: var(--ink-2);
  color: var(--paper-text);
  border-radius: 4px;
  transition: border-color 0.15s ease;
}

.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--accent); }
.field textarea { resize: vertical; min-height: 100px; }

.form-note { font-size: 13px; color: var(--carbon-soft); margin-top: 12px; }

@media (max-width: 760px) {
  .contact-grid { grid-template-columns: 1fr; }
}

/* ---------- Footer ---------- */

.site-footer {
  border-top: 1px solid var(--line);
  padding: 28px 0;
}

.site-footer .wrap {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-family: var(--font-label);
  font-size: 13px;
  color: var(--muted);
}

.site-footer a { text-decoration: none; color: var(--muted); }
.site-footer a:hover { color: var(--accent-2); }