/* ============================================================
   Daniel Montoya — Sitio personal
   Sistema gráfico: El Cisne Negro
   Paleta cálida + Outfit (UI/titulares) + Lora (editorial)
   ============================================================ */

@font-face {
  font-family: "Outfit";
  src: url("assets/fonts/Outfit.ttf") format("truetype-variations"),
    url("assets/fonts/Outfit.ttf") format("truetype");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Lora";
  src: url("assets/fonts/Lora.ttf") format("truetype-variations"),
    url("assets/fonts/Lora.ttf") format("truetype");
  font-weight: 400 700;
  font-style: normal;
  font-display: swap;
}

:root {
  --color-cream: #fef3d9;
  --color-cream-soft: #f9ead0;
  --color-black: #0e0a07;
  --color-rust: #9b4421;
  --color-olive: #676545;
  --color-blue: #233548;

  --ink-on-cream: #0e0a07;
  --ink-on-dark: #fef3d9;
  --ink-muted-cream: rgba(14, 10, 7, 0.62);
  --ink-muted-dark: rgba(254, 243, 217, 0.68);

  --max-w: 1200px;
  --gutter: clamp(1.5rem, 4vw, 4rem);
  --section-y: clamp(5rem, 10vw, 9rem);

  --radius: 4px;
  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);

  --font-display: "Outfit", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-body: "Lora", Georgia, "Times New Roman", serif;
}

/* ---------- Reset / base ---------- */

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  scroll-padding-top: 5rem;
}

body {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 400;
  background: var(--color-cream);
  color: var(--ink-on-cream);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

a {
  color: inherit;
  text-decoration: none;
}

ol,
ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

h1,
h2,
h3,
p {
  margin: 0;
}

::selection {
  background: var(--color-rust);
  color: var(--color-cream);
}

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

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem var(--gutter);
  background: rgba(254, 243, 217, 0);
  backdrop-filter: blur(0px);
  transition: background 0.4s var(--ease), backdrop-filter 0.4s var(--ease),
    border-color 0.4s var(--ease), padding 0.4s var(--ease);
  border-bottom: 1px solid transparent;
}

.site-header.is-scrolled {
  background: rgba(254, 243, 217, 0.92);
  backdrop-filter: blur(12px);
  border-bottom-color: rgba(14, 10, 7, 0.08);
  padding: 0.85rem var(--gutter);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: 0.01em;
}

.brand__mark {
  width: 32px;
  height: 32px;
}

.brand__text {
  display: inline-block;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 2rem;
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.01em;
}

.site-nav a {
  position: relative;
  padding: 0.25rem 0;
  opacity: 0.78;
  transition: opacity 0.25s var(--ease);
}

.site-nav a:hover {
  opacity: 1;
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 0;
  height: 1px;
  background: currentColor;
  transition: width 0.3s var(--ease);
}

.site-nav a:hover::after {
  width: 100%;
}

.site-nav__cta {
  padding: 0.55rem 1.1rem !important;
  border: 1px solid currentColor;
  border-radius: 999px;
  opacity: 1 !important;
}

.site-nav__cta::after {
  display: none !important;
}

.site-nav__cta:hover {
  background: var(--color-black);
  color: var(--color-cream);
  border-color: var(--color-black);
}

@media (max-width: 720px) {
  .site-nav {
    gap: 1.1rem;
  }
  .site-nav a:not(.site-nav__cta) {
    display: none;
  }
  .brand__text {
    display: none;
  }
}

/* ---------- Section base ---------- */

.section {
  position: relative;
  padding: var(--section-y) var(--gutter);
}

.section__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

.section__header {
  max-width: 720px;
  margin-bottom: clamp(2.5rem, 5vw, 4.5rem);
}

.section__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(2rem, 4.2vw, 3.4rem);
  line-height: 1.08;
  letter-spacing: -0.015em;
  margin-top: 0.6rem;
  text-wrap: balance;
}

.section__title--light {
  color: var(--ink-on-dark);
}

.section__sub {
  margin-top: 1.4rem;
  font-family: var(--font-body);
  font-size: 1.075rem;
  line-height: 1.6;
  color: var(--ink-muted-dark);
  max-width: 56ch;
}

/* ---------- Eyebrow ---------- */

.eyebrow {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-rust);
  margin-bottom: 0.5rem;
}

.eyebrow--dark {
  color: var(--color-rust);
}

.eyebrow--light {
  color: var(--color-cream);
  opacity: 0.85;
}

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

.section--hero {
  min-height: 100svh;
  padding-top: clamp(8rem, 16vh, 12rem);
  padding-bottom: clamp(5rem, 10vh, 8rem);
  display: flex;
  align-items: center;
  background-color: var(--color-cream);
  background-image: url("assets/textures/cream.png");
  background-size: cover;
  background-position: center;
}

.hero {
  max-width: 960px;
}

.hero__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(2.6rem, 6.4vw, 5.6rem);
  line-height: 1.02;
  letter-spacing: -0.025em;
  margin-top: 1rem;
  text-wrap: balance;
}

.hero__title em {
  font-style: italic;
  font-family: var(--font-body);
  font-weight: 500;
  color: var(--color-rust);
}

.hero__lede {
  margin-top: 1.6rem;
  font-family: var(--font-body);
  font-size: clamp(1.05rem, 1.4vw, 1.25rem);
  line-height: 1.6;
  max-width: 56ch;
  color: var(--ink-muted-cream);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 2.4rem;
}

.hero__scroll {
  position: absolute;
  left: var(--gutter);
  bottom: 2rem;
  display: flex;
  align-items: center;
  gap: 0.85rem;
  font-family: var(--font-display);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-muted-cream);
  z-index: 2;
}

.hero__scroll-line {
  display: inline-block;
  width: 64px;
  height: 1px;
  background: currentColor;
  position: relative;
  overflow: hidden;
}

.hero__scroll-line::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--color-rust);
  transform: translateX(-100%);
  animation: line-sweep 2.6s var(--ease) infinite;
}

@keyframes line-sweep {
  0% {
    transform: translateX(-100%);
  }
  60%,
  100% {
    transform: translateX(100%);
  }
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.95rem 1.6rem;
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.2s var(--ease), background 0.25s var(--ease),
    color 0.25s var(--ease), border-color 0.25s var(--ease);
}

.btn--primary {
  background: var(--color-black);
  color: var(--color-cream);
  border-color: var(--color-black);
}

.btn--primary:hover {
  background: var(--color-rust);
  border-color: var(--color-rust);
  transform: translateY(-1px);
}

.btn--ghost {
  background: transparent;
  color: var(--color-black);
  border-color: rgba(14, 10, 7, 0.35);
}

.btn--ghost:hover {
  border-color: var(--color-black);
  background: rgba(14, 10, 7, 0.04);
}

.btn--large {
  padding: 1.15rem 2rem;
  font-size: 1.05rem;
}

/* ---------- Section: cream ---------- */

.section--cream {
  background: var(--color-cream);
  border-top: 1px solid rgba(14, 10, 7, 0.06);
}

/* ---------- Two-col (enfoque) ---------- */

.two-col {
  display: grid;
  grid-template-columns: 0.85fr 1fr;
  gap: clamp(2rem, 5vw, 5rem);
  align-items: start;
}

@media (max-width: 820px) {
  .two-col {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

.two-col__right p {
  font-family: var(--font-body);
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--ink-muted-cream);
  margin-bottom: 1.1rem;
}

.two-col__right p.lede {
  font-size: 1.2rem;
  color: var(--color-black);
  line-height: 1.55;
}

/* ---------- Cards (servicios) ---------- */

.cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}

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

.card {
  position: relative;
  padding: 2.4rem 2rem 2.2rem;
  background: var(--color-cream-soft);
  border: 1px solid rgba(14, 10, 7, 0.08);
  border-radius: var(--radius);
  transition: transform 0.35s var(--ease), border-color 0.35s var(--ease),
    background 0.35s var(--ease);
}

.card:hover {
  transform: translateY(-3px);
  border-color: rgba(14, 10, 7, 0.22);
  background: #fff8e6;
}

.card__num {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--color-rust);
  margin-bottom: 1rem;
}

.card__title {
  font-family: var(--font-display);
  font-size: 1.45rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin-bottom: 0.7rem;
}

.card__body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--ink-muted-cream);
}

/* ---------- Section: blue (método) ---------- */

.section--blue {
  background: var(--color-blue);
  color: var(--ink-on-dark);
}

.section--blue .section__title {
  color: var(--ink-on-dark);
}

.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  counter-reset: step;
}

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

@media (max-width: 560px) {
  .steps {
    grid-template-columns: 1fr;
  }
}

.step {
  position: relative;
  padding-top: 1.6rem;
  border-top: 1px solid rgba(254, 243, 217, 0.22);
}

.step__num {
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--color-cream);
  opacity: 0.55;
}

.step__title {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 600;
  margin-top: 0.55rem;
  margin-bottom: 0.7rem;
  color: var(--ink-on-dark);
}

.step__body {
  font-family: var(--font-body);
  font-size: 0.98rem;
  line-height: 1.6;
  color: var(--ink-muted-dark);
}

/* ---------- Section: dark (contacto) ---------- */

.section--dark {
  background-color: var(--color-black);
  background-image: url("assets/textures/black.png");
  background-size: cover;
  background-position: center;
  color: var(--ink-on-dark);
  text-align: center;
}

.contact {
  max-width: 760px;
  margin: 0 auto;
}

.contact__mark {
  width: 96px;
  height: 96px;
  margin: 0 auto 1.6rem;
  opacity: 0.95;
}

.contact__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(2.2rem, 5.4vw, 4.4rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin-top: 0.6rem;
  text-wrap: balance;
  color: var(--ink-on-dark);
}

.contact__lede {
  margin: 1.5rem auto 2.4rem;
  font-family: var(--font-body);
  font-size: 1.1rem;
  line-height: 1.6;
  max-width: 52ch;
  color: var(--ink-muted-dark);
}

.section--dark .btn--primary {
  background: var(--color-cream);
  color: var(--color-black);
  border-color: var(--color-cream);
}

.section--dark .btn--primary:hover {
  background: var(--color-rust);
  color: var(--color-cream);
  border-color: var(--color-rust);
}

.contact__channels {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 2rem;
  margin-top: 2.6rem;
  font-family: var(--font-display);
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-muted-dark);
}

.contact__channels a {
  position: relative;
  padding-bottom: 3px;
  border-bottom: 1px solid rgba(254, 243, 217, 0.3);
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease);
}

.contact__channels a:hover {
  color: var(--color-cream);
  border-color: var(--color-cream);
}

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

.site-footer {
  background: var(--color-black);
  color: var(--ink-muted-dark);
  padding: 1.6rem var(--gutter);
  border-top: 1px solid rgba(254, 243, 217, 0.08);
  font-family: var(--font-display);
  font-size: 0.82rem;
  letter-spacing: 0.01em;
}

.site-footer__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.site-footer__meta {
  opacity: 0.7;
}

/* ---------- Reveal on scroll ---------- */

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  .reveal {
    opacity: 1;
    transform: none;
  }
}