/* ============ BASE — minimalismo monocromo ============ */
:root {
  --ink: #111111;
  --ink-soft: #424242;
  --paper: #ffffff;
  --line: rgba(17, 17, 17, 0.14);
  --line-light: rgba(255, 255, 255, 0.22);
  --serif: "Fraunces", "Georgia", serif;
  --sans: "Jost", system-ui, sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--sans);
  font-weight: 400;
  font-size: 1.0625rem;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

/* Foco visible para navegación con teclado */
a:focus-visible,
button:focus-visible,
summary:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 3px;
}

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

.container {
  width: min(1200px, 92%);
  margin-inline: auto;
}

h1, h2, h3 {
  font-family: var(--sans);
  font-weight: 500;
  line-height: 1.1;
  letter-spacing: -0.015em;
}

h1 { font-size: clamp(3rem, 7vw, 5.5rem); }
h2 { font-size: clamp(2.1rem, 4.5vw, 3.4rem); }
h3 { font-size: 1.35rem; font-weight: 500; }

h1 em, h2 em, h3 em,
.pain-closer em, .who-closer em {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 400;
  letter-spacing: 0;
}

p em { font-style: italic; }

.center { text-align: center; }

/* Cabeceras de sección */
.section-head { margin-bottom: 4rem; }
.section-head.center { text-align: center; }
.section-head.center h2 { max-width: 40rem; margin-inline: auto; }

.section-label,
.eyebrow {
  display: block;
  font-size: 0.98rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--ink-soft);
  margin-bottom: 1.4rem;
}

/* Marcos de imagen: rectángulos limpios */
.frame { overflow: hidden; }

.frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Aparición al hacer scroll */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* ============ BOTONES ============ */
.btn {
  display: inline-block;
  font-family: var(--sans);
  font-weight: 500;
  font-size: 1rem;
  letter-spacing: 0.01em;
  text-transform: lowercase;
  text-decoration: none;
  border: 1px solid var(--ink);
  border-radius: 999px;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease;
}

.btn-accent,
.btn-ink {
  background: var(--ink);
  color: var(--paper);
}

.btn-accent:hover,
.btn-ink:hover {
  background: var(--paper);
  color: var(--ink);
}

.btn-light {
  background: var(--paper);
  color: var(--ink);
  border-color: var(--paper);
}

.btn-light:hover {
  background: transparent;
  color: var(--paper);
}

.btn-sm { padding: 0.55rem 1.5rem; }
.btn-lg { padding: 1rem 2.4rem; font-size: 1.1rem; }
.btn-block { width: 100%; text-align: center; }

/* ============ HEADER ============ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding-block: 1.1rem;
}

.logo img { height: 24px; width: auto; }

.header-nav { display: flex; gap: 2.2rem; }

.header-nav a {
  color: var(--ink);
  text-decoration: none;
  font-size: 1.02rem;
  font-weight: 400;
  text-transform: lowercase;
  transition: opacity 0.2s ease;
}

.header-nav a:hover { opacity: 0.6; }

/* ============ HERO ============ */
.hero { overflow: hidden; }

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 4rem;
  padding-block: 6rem 7rem;
}

.hero-sub {
  margin-top: 2rem;
  font-size: 1.22rem;
  color: var(--ink-soft);
  max-width: 32rem;
}

.hero-cta { margin-top: 2.8rem; }

.hero-image .frame { aspect-ratio: 4 / 5; }

/* ============ PAIN ============ */
.pain {
  border-top: 1px solid var(--line);
  padding-block: 7rem;
}

.pain-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0 4rem;
}

.pain-quote {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.45rem;
  font-weight: 400;
  line-height: 1.5;
  padding-block: 2.2rem;
  border-top: 1px solid var(--line);
}

.pain-closer {
  margin-top: 4rem;
  font-size: clamp(1.3rem, 2.4vw, 1.7rem);
  line-height: 1.5;
  letter-spacing: -0.01em;
  text-align: center;
}

/* ============ STEPS ============ */
.steps {
  border-top: 1px solid var(--line);
  padding-block: 7rem;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 3rem 2.5rem;
}

.step { border-top: 1px solid var(--line); padding-top: 1.6rem; }

.step-num {
  display: block;
  font-size: 0.98rem;
  font-weight: 500;
  color: var(--ink-soft);
  margin-bottom: 2.2rem;
}

.step h3 { margin-bottom: 0.6rem; }
.step p { color: var(--ink-soft); font-size: 1.02rem; }

/* ============ BENEFITS ============ */
.benefits {
  border-top: 1px solid var(--line);
  padding-block: 7rem;
}

.benefits-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 5rem;
  align-items: center;
}

.benefits-image { display: flex; justify-content: center; }

.benefits-content .section-head { margin-bottom: 2.5rem; }

.benefits-list {
  list-style: none;
  display: grid;
}

.benefits-list li {
  padding-block: 1.5rem;
  border-top: 1px solid var(--line);
}

.benefits-list h3 { margin-bottom: 0.35rem; }
.benefits-list p { color: var(--ink-soft); font-size: 1.02rem; max-width: 30rem; }

/* Mockup de Reel de Instagram */
.phone {
  width: min(290px, 100%);
  aspect-ratio: 9 / 18.5;
  background: var(--ink);
  border-radius: 44px;
  padding: 10px;
}

.phone-screen {
  position: relative;
  height: 100%;
  border-radius: 35px;
  overflow: hidden;
  background: var(--ink);
  font-family: var(--sans);
  color: #fff;
}

.reel-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.phone-screen::before,
.phone-screen::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  z-index: 1;
  pointer-events: none;
}

.phone-screen::before {
  top: 0;
  height: 22%;
  background: linear-gradient(rgba(17, 17, 17, 0.55), transparent);
}

.phone-screen::after {
  bottom: 0;
  height: 38%;
  background: linear-gradient(transparent, rgba(17, 17, 17, 0.65));
}

.phone-notch {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 44%;
  height: 17px;
  background: var(--ink);
  border-radius: 0 0 12px 12px;
  z-index: 3;
}

.reel-status {
  position: absolute;
  top: 7px;
  left: 20px;
  right: 16px;
  z-index: 2;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.status-time {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.status-icons {
  display: flex;
  align-items: center;
  gap: 4px;
}

.status-icons svg { height: 9px; width: auto; }
.status-icons svg:last-child { height: 10px; }

.reel-top {
  position: absolute;
  top: 36px;
  left: 16px;
  right: 16px;
  z-index: 2;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: 0.01em;
}

.reel-top svg { width: 22px; height: 22px; }

.reel-rail {
  position: absolute;
  right: 12px;
  bottom: 64px;
  z-index: 2;
  display: grid;
  gap: 0.95rem;
  justify-items: center;
  text-align: center;
}

.rail-item {
  display: grid;
  gap: 0.2rem;
  justify-items: center;
  font-size: 0.6rem;
  letter-spacing: 0.03em;
}

.rail-item svg { width: 23px; height: 23px; }

.rail-dots {
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  line-height: 1;
}

.rail-album {
  width: 21px;
  height: 21px;
  border-radius: 5px;
  border: 1.5px solid rgba(255, 255, 255, 0.9);
  overflow: hidden;
}

.rail-album img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.reel-meta {
  position: absolute;
  left: 14px;
  right: 56px;
  bottom: 64px;
  z-index: 2;
  display: grid;
  gap: 0.55rem;
  justify-items: start;
}

.reel-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.58rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.28);
  backdrop-filter: blur(6px);
}

.reel-chip svg { width: 10px; height: 10px; }

.reel-user {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.reel-avatar {
  width: 27px;
  height: 27px;
  border-radius: 50%;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.9);
  flex-shrink: 0;
}

.reel-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 65% 20%;
}

.reel-username { font-size: 0.76rem; font-weight: 500; }

.reel-follow {
  font-size: 0.64rem;
  border: 1px solid rgba(255, 255, 255, 0.85);
  border-radius: 999px;
  padding: 0.18rem 0.65rem;
  letter-spacing: 0.03em;
}

.reel-caption {
  font-size: 0.72rem;
  line-height: 1.45;
  color: rgba(255, 255, 255, 0.95);
}

.reel-audio {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.64rem;
  color: rgba(255, 255, 255, 0.9);
}

.reel-audio svg { width: 11px; height: 11px; flex-shrink: 0; }

.reel-nav {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 52px;
  z-index: 2;
  background: var(--ink);
  display: flex;
  align-items: center;
  justify-content: space-evenly;
  padding-bottom: 8px;
}

.reel-nav svg {
  width: 21px;
  height: 21px;
  color: rgba(255, 255, 255, 0.95);
}

.nav-profile {
  width: 19px;
  height: 19px;
  border-radius: 50%;
  background: #f2f2f2;
}

.phone-home {
  position: absolute;
  bottom: 5px;
  left: 50%;
  transform: translateX(-50%);
  width: 32%;
  height: 3.5px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.9);
  z-index: 3;
}

/* ============ MODEL ============ */
.model {
  background: var(--ink);
  color: var(--paper);
  padding-block: 7rem;
}

.model-inner { text-align: center; max-width: 52rem; }

.model .section-label { color: rgba(255, 255, 255, 0.75); }

.model p {
  margin: 1.8rem auto 0;
  font-size: 1.15rem;
  color: rgba(255, 255, 255, 0.92);
  max-width: 40rem;
}

.model-points {
  display: flex;
  justify-content: center;
  margin-block: 3.5rem;
  flex-wrap: wrap;
}

.model-point {
  display: grid;
  gap: 0.15rem;
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.88);
  padding-inline: 3rem;
}

.model-point + .model-point { border-left: 1px solid var(--line-light); }

.model-figure {
  font-family: var(--serif);
  font-style: italic;
  font-size: 3rem;
  line-height: 1.1;
  color: var(--paper);
}

/* ============ WHO ============ */
.who {
  padding-block: 7rem;
}

.who-sub {
  max-width: 34rem;
  margin: 1.4rem auto 0;
  color: var(--ink-soft);
}

.who-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.who-card .frame { aspect-ratio: 3 / 4; }

.who-card .frame img { transition: transform 0.6s ease; }

.who-card:hover .frame img { transform: scale(1.03); }

.who-card figcaption {
  margin-top: 0.9rem;
  font-size: 1.08rem;
  font-weight: 500;
}

.who-card figcaption span {
  font-family: var(--serif);
  font-style: italic;
}

.who-closer {
  text-align: center;
  margin-top: 4rem;
  font-size: 1.2rem;
}

/* ============ FAQ ============ */
.faq {
  border-top: 1px solid var(--line);
  padding-block: 7rem;
}

.faq-inner { max-width: 46rem; }

.faq .section-head { margin-bottom: 3rem; }

.faq details { border-bottom: 1px solid var(--line); }
.faq details:first-of-type { border-top: 1px solid var(--line); }

.faq summary {
  font-size: 1.18rem;
  font-weight: 500;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding-block: 1.4rem;
}

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

.faq summary::after {
  content: "+";
  font-weight: 300;
  font-size: 1.4rem;
  color: var(--ink-soft);
  transition: transform 0.25s ease;
  flex-shrink: 0;
}

.faq details[open] summary::after { transform: rotate(45deg); }

.faq details p {
  padding-bottom: 1.5rem;
  color: var(--ink-soft);
  font-size: 1.05rem;
  max-width: 40rem;
}

/* ============ SIGNUP ============ */
.signup {
  border-top: 1px solid var(--line);
  padding-block: 7rem;
}

.signup-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 5rem;
  align-items: start;
}

.signup-content p {
  color: var(--ink-soft);
  font-size: 1.15rem;
  margin-top: 1.6rem;
  max-width: 26rem;
}

.signup-scarcity {
  margin-top: 3rem;
  max-width: 26rem;
  border-top: 1px solid var(--ink);
  padding-top: 1.5rem;
}

.scarcity-label {
  display: block;
  font-size: 0.98rem;
  font-weight: 500;
  color: var(--ink-soft);
  margin-bottom: 0.7rem;
  text-transform: lowercase;
}

.scarcity-label::before { content: "( "; }
.scarcity-label::after { content: " )"; }

.signup-scarcity p {
  margin: 0;
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.18rem;
  line-height: 1.6;
  color: var(--ink);
}

.signup-form {
  border: 1px solid var(--line);
  padding: 2.8rem;
}

.field { margin-bottom: 1.6rem; }

.field label {
  display: block;
  font-size: 1.02rem;
  font-weight: 500;
  text-transform: lowercase;
  color: var(--ink);
  margin-bottom: 0.45rem;
}

.field input[type="text"],
.field input[type="email"],
.field input[type="tel"],
.field textarea {
  width: 100%;
  font-family: var(--sans);
  font-weight: 400;
  font-size: 1.08rem;
  padding: 0.8rem 0.95rem;
  border: 1px solid rgba(17, 17, 17, 0.4);
  border-radius: 6px;
  background: var(--paper);
  color: var(--ink);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.field input::placeholder,
.field textarea::placeholder { color: rgba(17, 17, 17, 0.48); }

.field input:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--ink);
  box-shadow: 0 0 0 1px var(--ink);
}

.field textarea { resize: vertical; }

/* Dropzone */
.dropzone {
  position: relative;
  border: 1.5px dashed rgba(17, 17, 17, 0.45);
  border-radius: 6px;
  background: transparent;
  text-align: center;
  padding: 1.8rem 1rem;
  cursor: pointer;
  transition: border-color 0.2s ease, background 0.2s ease;
}

.dropzone:hover,
.dropzone.dragover {
  border-color: var(--ink);
  background: rgba(17, 17, 17, 0.03);
}

.dropzone input[type="file"] {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}

.dropzone-icon {
  width: 2rem;
  height: 2rem;
  margin-inline: auto;
  margin-bottom: 0.6rem;
  color: var(--ink);
  display: block;
}

.dropzone-inner p { font-size: 1.02rem; line-height: 1.5; }
.dropzone-inner strong { font-weight: 500; }

.dropzone-hint {
  font-size: 0.92rem;
  color: var(--ink-soft);
  display: block;
  margin-top: 0.5rem;
}

.file-list { list-style: none; margin-top: 0.7rem; display: grid; gap: 0.35rem; }

.file-list li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.8rem;
  font-size: 0.95rem;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 0.5rem 0.85rem;
}

.file-list button {
  border: none;
  background: none;
  color: var(--ink);
  font-weight: 400;
  cursor: pointer;
  font-size: 1rem;
  line-height: 1;
}

/* Consent */
.consent {
  display: flex;
  align-items: flex-start;
  gap: 0.7rem;
  font-size: 0.98rem;
  cursor: pointer;
}
.consent input {
  margin-top: 0.35rem;
  width: 1.05rem;
  height: 1.05rem;
  accent-color: var(--ink);
}
.consent span {
  text-transform: none;
  color: var(--ink-soft);
  font-weight: 400;
}
.consent a { color: var(--ink); }

.form-note {
  text-align: center;
  font-size: 0.92rem;
  color: var(--ink-soft);
  margin-top: 0.9rem;
}

.form-feedback {
  text-align: center;
  font-weight: 500;
  margin-top: 0.8rem;
  min-height: 1.4em;
  font-size: 1.02rem;
}
.form-feedback.ok { color: #1e5b2c; }
.form-feedback.error { color: #8f2a1f; }

/* ============ FOOTER ============ */
.site-footer {
  background: var(--ink);
  color: rgba(255, 255, 255, 0.82);
  padding-block: 4rem;
}

.footer-inner { text-align: center; display: grid; gap: 1rem; justify-items: center; }

.logo-footer { height: 20px; width: auto; }

.footer-tagline {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.85);
}

.footer-nav { display: flex; justify-content: center; gap: 2rem; flex-wrap: wrap; }

.footer-nav a {
  color: rgba(255, 255, 255, 0.82);
  text-decoration: none;
  font-size: 0.98rem;
  text-transform: lowercase;
}
.footer-nav a:hover { color: var(--paper); }

.copyright { font-size: 0.88rem; }

/* ============ RESPONSIVE ============ */
@media (max-width: 900px) {
  .hero-grid,
  .benefits-grid,
  .signup-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .hero-grid { padding-block: 3.5rem 5rem; }
  .hero-image { order: -1; }
  .hero-image .frame { aspect-ratio: 16 / 11; }

  .pain-grid { grid-template-columns: 1fr; gap: 0; }

  .steps-grid { grid-template-columns: 1fr; gap: 2.5rem; }

  .who-grid { grid-template-columns: 1fr; max-width: 24rem; margin-inline: auto; gap: 2.5rem; }

  .phone { width: min(280px, 90%); }

  .model-point { padding-inline: 1.5rem; }

  .header-nav { display: none; }
}

@media (max-width: 540px) {
  .signup-form { padding: 1.6rem; }

  .model-points { flex-direction: column; gap: 2rem; }
  .model-point + .model-point { border-left: none; }

  .logo img { height: 20px; }
}