/* =============================================================
   1. Tokens
   ============================================================= */
:root {
  --bg:        #17110c;
  --bg-2:      #1f1811;
  --bg-3:      #2a2019;
  --bg-4:      #332721;
  --cream:     #f3ead9;
  --cream-2:   #ddd0b8;
  --cream-3:   #9c8b73;
  --accent:    #8a2432;
  --accent-2:  #6b1c27;
  --accent-soft: rgba(138, 36, 50, 0.28);
  --gold:      #c9a961;
  --line:      rgba(243, 234, 217, 0.12);
  --line-strong: rgba(243, 234, 217, 0.22);

  --serif: "Bodoni Moda", "Times New Roman", serif;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;

  --ease-out:  cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in:   cubic-bezier(0.7, 0, 0.84, 0);
  --ease-soft: cubic-bezier(0.25, 0.46, 0.45, 0.94);

  --container: 1180px;
  --gutter: 1.25rem;
}

/* =============================================================
   2. Reset & base
   ============================================================= */
*, *::before, *::after { box-sizing: border-box; margin: 0; }
html {
  -webkit-text-size-adjust: 100%;
  tab-size: 2;
  overflow-x: clip;
  scroll-behavior: smooth;
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}
body {
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.65;
  color: var(--cream);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
  overscroll-behavior-y: none;
}
img, svg, video { display: block; max-width: 100%; }
img { height: auto; }
button { font: inherit; color: inherit; cursor: pointer; border: 0; background: none; }
a { color: inherit; text-decoration: none; }
p { text-wrap: pretty; }
h1, h2, h3, h4 { text-wrap: balance; line-height: 1.05; }
ul { list-style: none; padding: 0; }
::selection { background: var(--accent); color: var(--cream); }

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

/* =============================================================
   3. Utilities
   ============================================================= */
.skip-link {
  position: fixed; top: -100px; left: 1rem; z-index: 9999;
  padding: .7rem 1.2rem; background: var(--cream); color: var(--bg);
  border-radius: 6px; font-weight: 600; font-size: .9rem;
  transition: top .3s var(--ease-out);
}
.skip-link:focus { top: 1rem; }

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.kicker {
  display: inline-flex; align-items: center; gap: .6rem;
  font-size: .78rem; font-weight: 600; letter-spacing: .16em; text-transform: uppercase;
  color: var(--gold);
}
.kicker::before {
  content: ""; width: 22px; height: 1px; background: var(--gold);
}

.eyebrow-num {
  font-family: var(--serif);
  font-style: italic;
  color: var(--gold);
}

/* =============================================================
   4. Typography
   ============================================================= */
h1, h2, h3 {
  font-family: var(--serif);
  font-weight: 500;
  letter-spacing: -0.01em;
}
h2 {
  font-size: clamp(2rem, 4.6vw, 3.1rem);
  margin-bottom: 1rem;
}
h3 {
  font-size: clamp(1.25rem, 2.4vw, 1.55rem);
}
.section-lede {
  max-width: 46ch;
  color: var(--cream-2);
  font-size: 1.05rem;
}

/* =============================================================
   5. Components
   ============================================================= */

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  padding: .95rem 1.9rem;
  font-size: .95rem; font-weight: 600; letter-spacing: .01em;
  border-radius: 3px;
  transition: transform .45s var(--ease-soft), box-shadow .45s var(--ease-soft), background-color .3s var(--ease-out), color .3s var(--ease-out);
  white-space: nowrap;
}
.btn-primary {
  background: var(--accent);
  color: var(--cream);
  box-shadow: 0 4px 18px rgba(138, 36, 50, 0.28), 0 1px 3px rgba(0,0,0,0.3);
}
.btn-primary:hover {
  transform: translateY(-3px);
  background: var(--accent-2);
  box-shadow: 0 22px 44px rgba(138, 36, 50, 0.38), 0 8px 18px rgba(0,0,0,0.35);
}
.btn-primary:active { transform: translateY(-1px); transition-duration: .12s; }

.btn-ghost {
  background: transparent;
  color: var(--cream);
  border: 1px solid var(--line-strong);
}
.btn-ghost:hover {
  transform: translateY(-3px);
  border-color: var(--gold);
  color: var(--gold);
}

/* Nav links underline */
.nav-link {
  position: relative; padding: .3rem 0; font-size: .92rem; font-weight: 500;
}
.nav-link::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -2px;
  height: 1px; background: var(--gold);
  transform: scaleX(0); transform-origin: right;
  transition: transform .4s var(--ease-out);
}
.nav-link:hover::after { transform: scaleX(1); transform-origin: left; }

/* Cards */
.card {
  background: var(--bg-3);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 2.2rem 1.9rem;
}

/* Reveal on scroll */
[data-reveal] {
  opacity: 0; transform: translateY(32px);
  transition: opacity .85s var(--ease-soft), transform .85s var(--ease-soft);
}
[data-reveal].is-revealed { opacity: 1; transform: none; }

/* Tilt */
.has-tilt {
  --rx: 0deg; --ry: 0deg;
  transform: perspective(900px) rotateX(var(--rx)) rotateY(var(--ry));
  transform-style: preserve-3d;
  transition: transform .55s var(--ease-soft), border-color .3s, box-shadow .3s;
}
.has-tilt:hover {
  transition-duration: .15s;
  border-color: var(--line-strong);
  box-shadow: 0 28px 60px -18px rgba(0,0,0,0.5), 0 0 0 1px var(--accent-soft);
}

/* =============================================================
   6. Sections
   ============================================================= */

/* --- Nav --- */
.nav {
  position: fixed; top: 0; inset-inline: 0; z-index: 100;
  padding-block: 1.1rem;
  transition: background-color .4s var(--ease-out), padding .4s var(--ease-out), box-shadow .4s var(--ease-out);
}
.nav.is-scrolled {
  background: rgba(23, 17, 12, 0.92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  padding-block: .75rem;
  box-shadow: 0 1px 0 var(--line);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.nav-logo {
  font-family: var(--serif); font-style: italic; font-size: 1.15rem;
  letter-spacing: .01em;
}
.nav-links { display: none; align-items: center; gap: 2.1rem; }
.nav-cta { display: none; }
.nav-burger {
  display: flex; align-items: center; justify-content: center;
  width: 40px; height: 40px;
}
.nav-burger span, .nav-burger::before, .nav-burger::after {
  content: ""; position: absolute; width: 22px; height: 1.5px; background: var(--cream);
  transition: transform .35s var(--ease-out), opacity .3s;
}
.nav-burger { position: relative; }
.nav-burger::before { transform: translateY(-6px); }
.nav-burger::after { transform: translateY(6px); }
.nav-burger span { display: block; }
.nav-burger.is-open::before { transform: translateY(0) rotate(45deg); }
.nav-burger.is-open::after { transform: translateY(0) rotate(-45deg); }
.nav-burger.is-open span { opacity: 0; }

.nav-mobile {
  position: fixed; inset: 0; z-index: 90;
  background: var(--bg-2);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 2rem;
  clip-path: inset(0 0 100% 0);
  transition: clip-path .6s var(--ease-soft);
}
.nav-mobile[data-open="true"] { clip-path: inset(0); }
.nav-mobile a { font-family: var(--serif); font-style: italic; font-size: 1.6rem; }
.nav-mobile .btn { margin-top: 1rem; }

@media (min-width: 960px) {
  .nav-links { display: flex; }
  .nav-cta { display: inline-flex; }
  .nav-burger { display: none; }
}

/* --- Hero --- */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding-top: 7.5rem;
  padding-bottom: 3.5rem;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute; inset: -10%;
  background: radial-gradient(55% 45% at 82% 20%, var(--accent-soft), transparent 65%);
  filter: blur(90px);
  pointer-events: none;
  z-index: 0;
}
.hero-grid {
  position: relative; z-index: 1;
  display: grid;
  gap: 3rem;
  align-items: center;
}
.hero-text { order: 2; }
.hero-photo-wrap { order: 1; }

.hero-photo-wrap {
  position: relative;
  border-radius: 8px;
  overflow: hidden;
  aspect-ratio: 4 / 5;
  max-width: 420px;
  margin-inline: auto;
  box-shadow: 0 40px 90px -30px rgba(0,0,0,0.6), 0 0 0 1px var(--line);
}
.hero-photo-wrap img {
  width: 100%; height: 100%; object-fit: cover;
  object-position: 50% 20%;
  animation: ambientZoom 26s ease-in-out infinite;
}
@keyframes ambientZoom {
  0%, 100% { transform: scale(1.02); }
  50%      { transform: scale(1.09); }
}
.hero-photo-wrap::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(23,17,12,0) 55%, rgba(23,17,12,0.55) 100%);
  pointer-events: none;
}
.hero-photo-tag {
  position: absolute; left: 1.1rem; bottom: 1.1rem; z-index: 2;
  font-size: .78rem; letter-spacing: .1em; text-transform: uppercase;
  color: var(--cream-2);
  display: flex; align-items: center; gap: .5rem;
}
.hero-photo-tag .dot {
  width: 6px; height: 6px; border-radius: 50%; background: var(--gold);
}

.hero-title {
  font-size: clamp(2.4rem, 6.4vw, 4rem);
  max-width: 15ch;
  margin-bottom: 1.3rem;
}
.hero-title em { color: var(--gold); font-style: italic; }
.hero-sub {
  font-size: clamp(1rem, 1.6vw, 1.15rem);
  color: var(--cream-2);
  max-width: 46ch;
  margin-bottom: 2.1rem;
}
.hero-kicker { margin-bottom: 1.4rem; }
.hero-ctas { display: flex; flex-wrap: wrap; gap: 1rem; }

@media (min-width: 960px) {
  .hero-grid { grid-template-columns: 1.1fr 0.9fr; gap: 4rem; }
  .hero-text { order: 1; }
  .hero-photo-wrap { order: 2; max-width: none; }
}

/* --- About --- */
.about { padding-block: 6rem; position: relative; }
.about-grid {
  display: grid;
  gap: 2.5rem;
}
.about-text {
  font-size: 1.08rem;
  color: var(--cream-2);
  max-width: 62ch;
}
.about-text p + p { margin-top: 1.3rem; }
.about-text strong { color: var(--cream); font-weight: 600; }
.about-pull {
  border-left: 2px solid var(--accent);
  padding-left: 1.5rem;
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(1.3rem, 2.4vw, 1.7rem);
  color: var(--cream);
  max-width: 34ch;
}
.about-side { display: flex; flex-direction: column; gap: 1.9rem; }
.about-photo {
  border-radius: 8px;
  overflow: hidden;
  aspect-ratio: 3 / 4;
  max-width: 340px;
  margin-inline: auto;
  box-shadow: 0 30px 70px -25px rgba(0,0,0,0.55), 0 0 0 1px var(--line);
}
@media (min-width: 960px) {
  .about-photo { margin-inline: 0; }
}
.about-photo img {
  width: 100%; height: 100%; object-fit: cover; object-position: 50% 12%;
}

@media (min-width: 960px) {
  .about-grid { grid-template-columns: 1fr 0.8fr; gap: 4rem; align-items: start; }
}

/* --- Services --- */
.services { padding-block: 6rem; background: var(--bg-2); }
.services-head { max-width: 56ch; margin-bottom: 3rem; }
.services-grid {
  display: grid; gap: 1.5rem;
  grid-template-columns: 1fr;
}
.service-card {
  display: flex; flex-direction: column; gap: 1.1rem;
}
.service-icon {
  width: 46px; height: 46px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--gold);
}
.service-icon svg { width: 22px; height: 22px; }
.service-card h3 { color: var(--cream); }
.service-card p { color: var(--cream-2); font-size: .98rem; }

@media (min-width: 720px) {
  .services-grid { grid-template-columns: repeat(3, 1fr); }
}

/* --- Programs (formatos de colaboración) --- */
.programs { padding-block: 6rem; }
.programs-head { max-width: 60ch; margin-bottom: 3rem; }
.programs-grid {
  display: grid; gap: 1.75rem;
  grid-template-columns: 1fr;
}
.program-track {
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 2.2rem 2rem;
  background: var(--bg-3);
}
.program-track-tag {
  display: inline-block;
  font-size: .72rem; font-weight: 600; letter-spacing: .12em; text-transform: uppercase;
  color: var(--gold);
  margin-bottom: .8rem;
}
.program-track-title { color: var(--cream); margin-bottom: .6rem; }
.program-track-sub { color: var(--cream-2); font-size: .95rem; margin-bottom: 1.8rem; max-width: 42ch; }
.program-list { display: grid; gap: 1.4rem; }
.program-list li { padding-top: 1.4rem; border-top: 1px solid var(--line); }
.program-list li:first-child { padding-top: 0; border-top: 0; }
.program-list h4 {
  font-family: var(--sans); font-size: 1.02rem; font-weight: 600; color: var(--cream);
  margin-bottom: .45rem; letter-spacing: -0.005em;
}
.program-list p { color: var(--cream-2); font-size: .92rem; margin-bottom: .5rem; }
.program-duration {
  display: inline-block;
  font-size: .72rem; font-weight: 600; letter-spacing: .08em; text-transform: uppercase;
  color: var(--cream-3);
}

@media (min-width: 960px) {
  .programs-grid { grid-template-columns: repeat(2, 1fr); }
}

/* --- Method --- */
.method { padding-block: 6rem; }
.method-head { max-width: 56ch; margin-bottom: 3.5rem; }
.method-steps {
  display: grid; gap: 2.2rem;
  grid-template-columns: 1fr;
  position: relative;
}
.method-step { position: relative; padding-left: 0; }
.method-step-num {
  font-family: var(--serif); font-style: italic; font-size: 2.6rem; color: var(--gold);
  line-height: 1; margin-bottom: .9rem; display: block;
}
.method-step h3 { color: var(--cream); margin-bottom: .55rem; }
.method-step p { color: var(--cream-2); font-size: .96rem; max-width: 32ch; }

@media (min-width: 720px) {
  .method-steps { grid-template-columns: repeat(2, 1fr); gap: 3rem; }
}
@media (min-width: 1280px) {
  .method-steps { grid-template-columns: repeat(4, 1fr); }
  .method-steps::before {
    content: "";
    position: absolute; top: 22px; left: 4%; right: 4%; height: 1px;
    background: var(--line-strong);
    z-index: 0;
  }
}

/* --- Why (stats + credibility) --- */
.why { padding-block: 6rem; background: var(--bg-2); }
.why-head { max-width: 56ch; margin-bottom: 3.5rem; }
.stats-grid {
  display: grid; gap: 1.5rem;
  grid-template-columns: repeat(2, 1fr);
  margin-bottom: 3.5rem;
}
.stat-label { display: block; }
.stat {
  padding: 1.6rem 1rem;
  border-top: 1px solid var(--line-strong);
}
.stat-value {
  font-family: var(--serif); font-style: italic; color: var(--gold);
  font-size: clamp(2.1rem, 4.5vw, 3rem);
  line-height: 1; display: block; margin-bottom: .5rem;
}
.stat-label {
  font-size: .85rem; color: var(--cream-3);
  letter-spacing: .01em;
}
.credibility-list {
  display: grid; gap: 1.1rem;
  max-width: 70ch;
}
.credibility-list li {
  display: flex; gap: .9rem;
  color: var(--cream-2);
  font-size: 1rem;
  line-height: 1.55;
}
.credibility-list li::before {
  content: "";
  flex-shrink: 0;
  width: 8px; height: 8px;
  margin-top: .5rem;
  background: var(--accent);
  border-radius: 1px;
  transform: rotate(45deg);
}

@media (min-width: 720px) {
  .stats-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (min-width: 1280px) {
  .stats-grid { grid-template-columns: repeat(6, 1fr); }
}

/* --- Contact --- */
.contact { padding-block: 6rem; }
.contact-grid {
  display: grid; gap: 3rem;
}
.contact-head h2 { margin-bottom: .9rem; }
.contact-head p { color: var(--cream-2); max-width: 42ch; margin-bottom: 2rem; }

.contact-info { display: grid; gap: 1.1rem; }
.contact-info a {
  display: flex; align-items: center; gap: .8rem;
  font-size: 1.02rem; color: var(--cream);
  padding-bottom: .9rem; border-bottom: 1px solid var(--line);
  transition: color .3s var(--ease-out), padding-left .3s var(--ease-out);
}
.contact-info a:hover { color: var(--gold); padding-left: .3rem; }
.contact-info svg { width: 18px; height: 18px; color: var(--gold); flex-shrink: 0; }

.field { position: relative; margin-bottom: 1.3rem; }
.field input, .field textarea {
  width: 100%;
  padding: 1.35rem 1rem .55rem;
  background: var(--bg-3);
  border: 1px solid var(--line);
  border-radius: 4px;
  color: var(--cream);
  font-family: var(--sans);
  font-size: .98rem;
  transition: border-color .3s var(--ease-out);
}
.field textarea { min-height: 120px; resize: vertical; padding-top: 1.5rem; }
.field input:focus, .field textarea:focus { border-color: var(--gold); outline: none; }
.field label {
  position: absolute; left: 1rem; top: 1.1rem;
  pointer-events: none; color: var(--cream-3);
  transition: all .25s var(--ease-out);
  font-size: .98rem;
}
.field input:focus + label, .field input:not(:placeholder-shown) + label,
.field textarea:focus + label, .field textarea:not(:placeholder-shown) + label {
  top: .45rem; font-size: .68rem; letter-spacing: .1em; text-transform: uppercase; color: var(--gold);
}
.field-row { display: grid; gap: 1.3rem; }

.cta-form { position: relative; }
.cta-form.is-sent .cta-form-fields { opacity: 0; transform: translateY(-10px); pointer-events: none; }
.cta-form-fields { transition: opacity .5s var(--ease-out), transform .5s var(--ease-soft); }
.cta-success {
  position: absolute; inset: 0;
  display: flex; flex-direction: column; justify-content: center;
  opacity: 0; pointer-events: none;
  transition: opacity .6s var(--ease-out) .15s;
}
.cta-success.is-visible { opacity: 1; pointer-events: auto; }
.cta-success h3 { color: var(--cream); margin-bottom: .6rem; }
.cta-success p { color: var(--cream-2); }

@media (min-width: 720px) {
  .field-row-2 { grid-template-columns: 1fr 1fr; }
}
@media (min-width: 960px) {
  .contact-grid { grid-template-columns: 0.85fr 1.15fr; gap: 4.5rem; }
}

/* --- Footer --- */
.footer {
  padding-block: 2.6rem;
  border-top: 1px solid var(--line);
  background: var(--bg-2);
}
.footer-inner {
  display: flex; flex-direction: column; gap: 1rem;
  align-items: flex-start;
  font-size: .85rem; color: var(--cream-3);
}
.footer-brand { font-family: var(--serif); font-style: italic; color: var(--cream-2); font-size: 1.05rem; }
@media (min-width: 720px) {
  .footer-inner { flex-direction: row; align-items: center; justify-content: space-between; }
}

/* =============================================================
   7. Responsive containers polish
   ============================================================= */
@media (min-width: 540px) { .container { padding-inline: 2rem; } }
@media (min-width: 1280px) { .container { padding-inline: 2.5rem; } }

/* =============================================================
   8. Reduced-motion (only intrusive effects)
   ============================================================= */
@media (prefers-reduced-motion: reduce) {
  .hero-photo-wrap img { animation: none; }
}