/* Digital Craft — Primera canción */

:root {
  --ink: #13201c;
  --ink-soft: #243530;
  --fog: #e4eee8;
  --mist: #c5d6cc;
  --paper: #f3f7f4;
  --gold: #c9a227;
  --gold-bright: #e0bc3a;
  --teal: #1f6b58;
  --teal-deep: #0f3d34;
  --line: rgba(19, 32, 28, 0.12);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --font-display: "Syne", system-ui, sans-serif;
  --font-body: "Figtree", system-ui, sans-serif;
  --space: clamp(1.25rem, 4vw, 2.5rem);
  --max: 68rem;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: clamp(1.05rem, 0.95rem + 0.4vw, 1.2rem);
  line-height: 1.65;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--ink);
  color: var(--paper);
  padding: 0.75rem 1rem;
  z-index: 100;
}

.skip-link:focus {
  left: 1rem;
  top: 1rem;
}

.section-inner {
  width: min(100% - 2 * var(--space), var(--max));
  margin-inline: auto;
}

.eyebrow {
  margin: 0 0 0.75rem;
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--teal);
}

.section-lede {
  max-width: 36rem;
  margin: 0.75rem 0 0;
  color: var(--ink-soft);
  font-size: 1.05em;
}

h1,
h2,
h3 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.03em;
  margin: 0;
}

h2 {
  font-size: clamp(2rem, 1.4rem + 2.4vw, 3.25rem);
}

h3 {
  font-size: clamp(1.25rem, 1.1rem + 0.6vw, 1.5rem);
}

/* Header */

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem var(--space);
  background: color-mix(in srgb, var(--paper) 78%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.35s var(--ease), background 0.35s var(--ease);
}

.site-header.is-scrolled {
  border-bottom-color: var(--line);
  background: color-mix(in srgb, var(--paper) 92%, transparent);
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
}

.logo-mark {
  width: 0.7rem;
  height: 0.7rem;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, var(--gold-bright), var(--gold) 55%, var(--teal-deep));
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--gold) 28%, transparent);
}

.nav {
  display: none;
  align-items: center;
  gap: 1.5rem;
}

.nav a {
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  opacity: 0.78;
  transition: opacity 0.2s;
}

.nav a:hover,
.nav a:focus-visible {
  opacity: 1;
}

.nav-cta {
  padding: 0.45rem 0.9rem;
  border: 1px solid var(--ink);
  border-radius: 999px;
  opacity: 1 !important;
}

.nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 2.5rem;
  height: 2.5rem;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 1.35rem;
  height: 2px;
  background: var(--ink);
  transition: transform 0.3s var(--ease);
}

.nav-toggle[aria-expanded="true"] span:first-child {
  transform: translateY(4px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:last-child {
  transform: translateY(-4px) rotate(-45deg);
}

.nav-drawer {
  position: fixed;
  inset: 4.25rem 0 auto;
  z-index: 35;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 1rem var(--space) 1.5rem;
  background: var(--paper);
  border-bottom: 1px solid var(--line);
}

.nav-drawer[hidden] {
  display: none;
}

.nav-drawer a {
  text-decoration: none;
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 600;
  padding: 0.65rem 0;
}

@media (min-width: 820px) {
  .nav {
    display: flex;
  }

  .nav-toggle,
  .nav-drawer {
    display: none !important;
  }
}

/* Buttons */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 3rem;
  padding: 0.75rem 1.35rem;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 600;
  font-size: 1rem;
  transition: transform 0.25s var(--ease), background 0.25s, color 0.25s, border-color 0.25s;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: var(--ink);
  color: var(--paper);
  border: 1px solid var(--ink);
}

.btn-primary:hover {
  background: var(--teal-deep);
  border-color: var(--teal-deep);
}

.btn-ghost {
  background: transparent;
  color: var(--paper);
  border: 1px solid color-mix(in srgb, var(--paper) 45%, transparent);
}

.btn-ghost:hover {
  background: color-mix(in srgb, var(--paper) 12%, transparent);
  border-color: var(--paper);
}

/* Hero */

.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  align-items: end;
  overflow: hidden;
  color: var(--paper);
  background: var(--ink);
}

.hero-atmosphere {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(40px);
  will-change: transform;
}

.hero-glow--a {
  width: min(70vw, 34rem);
  height: min(70vw, 34rem);
  top: -8%;
  right: -8%;
  background: radial-gradient(circle, color-mix(in srgb, var(--gold) 55%, transparent), transparent 68%);
  animation: drift-a 14s ease-in-out infinite alternate;
}

.hero-glow--b {
  width: min(80vw, 42rem);
  height: min(80vw, 42rem);
  bottom: 5%;
  left: -15%;
  background: radial-gradient(circle, color-mix(in srgb, var(--teal) 50%, transparent), transparent 70%);
  animation: drift-b 18s ease-in-out infinite alternate;
}

.hero-floor {
  position: absolute;
  inset: auto 0 0;
  height: 55%;
  background:
    linear-gradient(
      180deg,
      transparent 0%,
      color-mix(in srgb, var(--ink) 35%, transparent) 40%,
      var(--ink) 100%
    ),
    repeating-linear-gradient(
      90deg,
      transparent 0,
      transparent 48px,
      color-mix(in srgb, var(--gold) 8%, transparent) 48px,
      color-mix(in srgb, var(--gold) 8%, transparent) 49px
    );
  transform-origin: center bottom;
  animation: floor-pulse 8s ease-in-out infinite alternate;
  opacity: 0.85;
}

.hero-grain {
  position: absolute;
  inset: 0;
  opacity: 0.22;
  mix-blend-mode: soft-light;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.hero-inner {
  position: relative;
  z-index: 1;
  width: min(100% - 2 * var(--space), var(--max));
  margin: 0 auto;
  padding: 7rem 0 4.5rem;
}

.hero-brand {
  margin: 0 0 1.25rem;
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 1.5rem + 5vw, 5.5rem);
  font-weight: 800;
  letter-spacing: -0.045em;
  line-height: 0.95;
  background: linear-gradient(120deg, var(--paper) 20%, var(--gold-bright) 55%, var(--mist) 100%);
  background-size: 200% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: brand-shimmer 10s ease-in-out infinite alternate;
}

.hero-title {
  max-width: 18ch;
  font-size: clamp(1.65rem, 1.1rem + 2vw, 2.65rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.15;
  color: color-mix(in srgb, var(--paper) 92%, var(--gold));
}

.hero-lede {
  max-width: 28rem;
  margin: 1.25rem 0 0;
  font-size: clamp(1.1rem, 1rem + 0.5vw, 1.35rem);
  font-weight: 500;
  line-height: 1.45;
  color: color-mix(in srgb, var(--paper) 88%, transparent);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2rem;
}

@keyframes drift-a {
  from {
    transform: translate(0, 0) scale(1);
  }
  to {
    transform: translate(-6%, 10%) scale(1.08);
  }
}

@keyframes drift-b {
  from {
    transform: translate(0, 0) scale(1);
  }
  to {
    transform: translate(8%, -6%) scale(1.05);
  }
}

@keyframes floor-pulse {
  from {
    opacity: 0.7;
    transform: scaleY(1);
  }
  to {
    opacity: 0.95;
    transform: scaleY(1.04);
  }
}

@keyframes brand-shimmer {
  from {
    background-position: 0% 50%;
  }
  to {
    background-position: 100% 50%;
  }
}

/* Insight */

.insight {
  padding: clamp(4rem, 8vw, 7rem) 0;
  background:
    radial-gradient(ellipse at 10% 0%, color-mix(in srgb, var(--gold) 18%, transparent), transparent 50%),
    linear-gradient(180deg, var(--fog), var(--paper));
}

.insight-inner {
  max-width: 42rem;
}

.insight-quote {
  font-size: clamp(2.1rem, 1.5rem + 2.8vw, 3.6rem);
  letter-spacing: -0.035em;
}

.insight-follow {
  margin: 1rem 0 0;
  max-width: 28rem;
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 1.15rem + 1vw, 1.85rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.25;
  color: var(--teal-deep);
}

.insight-body {
  margin: 1.5rem 0 0;
  max-width: 36rem;
  color: var(--ink-soft);
}

/* Problem */

.problem {
  padding: clamp(4rem, 8vw, 6.5rem) 0;
  background: var(--paper);
  border-top: 1px solid var(--line);
}

.problem-grid {
  display: grid;
  gap: 1.75rem;
}

.problem-copy {
  max-width: 34rem;
  color: var(--ink-soft);
}

.problem-copy p {
  margin: 0 0 1rem;
}

.problem-copy p:last-child {
  margin-bottom: 0;
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--ink);
  font-size: 1.15em;
}

@media (min-width: 800px) {
  .problem-grid {
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: start;
  }
}

/* Bridge */

.bridge {
  padding: clamp(4rem, 8vw, 6.5rem) 0;
  background:
    radial-gradient(ellipse at 80% 0%, color-mix(in srgb, var(--gold) 16%, transparent), transparent 50%),
    linear-gradient(180deg, var(--paper), var(--fog));
  border-top: 1px solid var(--line);
}

.bridge-inner {
  max-width: 40rem;
}

.bridge-lede {
  margin: 1.25rem 0 0;
  max-width: 36rem;
  color: var(--ink-soft);
  font-size: 1.05em;
}

.bridge-next {
  margin: 1.75rem 0 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.15em;
  letter-spacing: -0.02em;
  color: var(--teal-deep);
}

/* Method */

.method {
  padding: clamp(4rem, 8vw, 7rem) 0;
  background:
    linear-gradient(160deg, var(--teal-deep), var(--ink) 55%, #1a2e28);
  color: var(--paper);
}

.method .eyebrow {
  color: var(--gold-bright);
}

.method .section-lede {
  color: color-mix(in srgb, var(--paper) 72%, transparent);
}

.method-intro {
  margin-bottom: 2.5rem;
}

.method-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}

@media (min-width: 720px) {
  .method-steps {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
  }
}

@media (min-width: 1000px) {
  .method-steps {
    grid-template-columns: repeat(4, 1fr);
  }
}

.method-step {
  padding: 1.35rem 1.25rem 1.5rem;
  border-top: 1px solid color-mix(in srgb, var(--gold) 35%, transparent);
  background: color-mix(in srgb, var(--paper) 4%, transparent);
}

.step-num {
  display: block;
  margin-bottom: 1.25rem;
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--gold);
}

.method-step h3 {
  margin-bottom: 0.65rem;
}

.method-step p {
  margin: 0;
  color: color-mix(in srgb, var(--paper) 70%, transparent);
  font-size: 0.98rem;
}

/* Cycle */

.cycle {
  padding: clamp(4rem, 8vw, 7rem) 0;
  background:
    radial-gradient(ellipse at 90% 20%, color-mix(in srgb, var(--mist) 55%, transparent), transparent 45%),
    var(--fog);
}

.cycle-inner {
  display: grid;
  gap: 2rem;
}

.cycle-list {
  margin: 1.5rem 0 0;
  padding: 0;
  list-style: none;
}

.cycle-list li {
  position: relative;
  padding: 0.75rem 0 0.75rem 1.5rem;
  border-top: 1px solid var(--line);
}

.cycle-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.15rem;
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: var(--teal);
}

.cycle-card {
  padding: 1.75rem;
  background:
    linear-gradient(145deg, var(--ink), var(--teal-deep));
  color: var(--paper);
  align-self: stretch;
}

.cycle-card-label {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold-bright);
}

.cycle-card-quote {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 1.2rem + 1vw, 1.85rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.25;
}

.cycle-card-note {
  margin: 1.25rem 0 0;
  color: color-mix(in srgb, var(--paper) 65%, transparent);
  font-size: 0.95rem;
}

@media (min-width: 860px) {
  .cycle-inner {
    grid-template-columns: 1.35fr 0.9fr;
    gap: 3rem;
    align-items: center;
  }
}

/* Pillars */

.pillars {
  padding: clamp(4rem, 8vw, 7rem) 0;
  background: var(--paper);
  border-top: 1px solid var(--line);
}

.pillars-intro {
  margin-bottom: 2.25rem;
}

.pillars-grid {
  display: grid;
  gap: 1rem;
}

@media (min-width: 720px) {
  .pillars-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .pillars-grid--three {
    grid-template-columns: repeat(3, 1fr);
  }
}

.pillar {
  padding: 1.5rem 1.35rem 1.65rem;
  border-top: 3px solid var(--teal);
}

.pillar--threshold {
  border-top-color: var(--mist);
  background: color-mix(in srgb, var(--fog) 55%, transparent);
}

.pillar-role {
  margin: 0 0 0.75rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--teal);
}

.pillar--threshold .pillar-role {
  color: var(--ink-soft);
}

.pillar h3 {
  margin-bottom: 0.5rem;
}

.pillar p {
  margin: 0;
  color: var(--ink-soft);
}

.pillars-aside {
  margin: 2rem 0 0;
  max-width: 36rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
  color: var(--ink-soft);
  font-size: 0.98rem;
}

/* Contact */

.contact {
  padding: clamp(4.5rem, 10vw, 8rem) 0;
  background:
    radial-gradient(ellipse at 50% 0%, color-mix(in srgb, var(--gold) 22%, transparent), transparent 55%),
    linear-gradient(180deg, var(--fog), #d7e5dc);
  text-align: center;
}

.contact-inner {
  max-width: 38rem;
}

.contact .section-lede {
  margin-inline: auto;
}

.contact-actions {
  margin-top: 2rem;
  display: flex;
  justify-content: center;
}

/* Footer */

.site-footer {
  padding: 2rem 0 2.5rem;
  background: var(--ink);
  color: color-mix(in srgb, var(--paper) 70%, transparent);
}

.footer-inner {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.footer-brand {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--paper);
}

.footer-meta {
  margin: 0;
  font-size: 0.92rem;
}

.footer-meta a {
  color: var(--gold-bright);
  text-decoration: none;
}

.footer-meta a:hover {
  text-decoration: underline;
}

/* Reveal motion */

[data-reveal] {
  opacity: 0;
  transform: translateY(1.25rem);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}

[data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

[data-reveal-delay="1"] {
  transition-delay: 0.1s;
}

[data-reveal-delay="2"] {
  transition-delay: 0.2s;
}

[data-reveal-delay="3"] {
  transition-delay: 0.3s;
}

[data-reveal-delay="4"] {
  transition-delay: 0.4s;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .hero-glow--a,
  .hero-glow--b,
  .hero-floor,
  .hero-brand {
    animation: none;
  }

  .btn:hover {
    transform: none;
  }
}