/* ============================================================
   AS · estudio arquitectura Chiloé — index
   Design system inspirado en los principios de Antigravity:
   tokens, escala tipográfica, grid, motion con propósito.
   ============================================================ */

/* ---------- TOKENS ---------- */
:root {
  /* palette */
  --white: #ffffff;
  --surface-0: #ffffff;
  --surface-1: #f4f6fa;
  --surface-2: #e8ebf0;
  --grey-300: #c9cfd8;
  --grey-500: #8b94a3;
  --grey-header: #67707d;
  --grey-header-dark: #5c6571;
  --text-2: #626b78;
  --text-1: #2a2f38;
  --text-0: #111318;
  --blue-600: #21409a;
  --blue-500: #3d63d3;
  --blue-100: #e4ecff;
  --blue-600-10: rgba(33, 64, 154, 0.1);
  --blue-600-08: rgba(33, 64, 154, 0.08);
  --blue-600-12: rgba(33, 64, 154, 0.12);
  --blue-600-14: rgba(33, 64, 154, 0.14);
  --blue-600-20: rgba(33, 64, 154, 0.2);
  --blue-600-16: rgba(33, 64, 154, 0.16);
  --blue-600-28: rgba(33, 64, 154, 0.28);

  /* typography */
  --ff-display: "Satoshi", "Helvetica Neue", Arial, sans-serif;
  --ff-body: "Satoshi", "Helvetica Neue", Arial, sans-serif;
  --ff-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;

  --fs-xs: 12px;
  --fs-sm: 13px;
  --fs-base: 15px;
  --fs-md: 17px;
  --fs-lg: 20px;
  --fs-xl: 26px;
  --fs-2xl: 36px;
  --fs-3xl: 52px;
  --fs-4xl: 72px;
  --fs-5xl: clamp(56px, 9vw, 124px);
  --fs-hero: clamp(64px, 10vw, 148px);

  /* grid */
  --grid-columns: 12;
  --page-margin: 72px;
  --grid-gutter: 32px;
  --shell-max: 1480px;

  /* radii */
  --r-sm: 6px;
  --r-md: 12px;
  --r-lg: 20px;
  --r-xl: 32px;
  --r-pill: 9999px;

  /* motion */
  --ease-out-expo: cubic-bezier(0.19, 1, 0.22, 1);
  --ease-out-quart: cubic-bezier(0.25, 1, 0.5, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --dur-1: 180ms;
  --dur-2: 420ms;
  --dur-3: 720ms;
  --dur-4: 1100ms;

  /* shadows */
  --shadow-1: 0 1px 2px rgba(17, 19, 24, 0.04), 0 2px 6px rgba(17, 19, 24, 0.04);
  --shadow-2: 0 10px 30px rgba(17, 19, 24, 0.08), 0 2px 6px rgba(17, 19, 24, 0.04);
  --shadow-3: 0 30px 80px rgba(17, 19, 24, 0.12), 0 6px 20px rgba(17, 19, 24, 0.06);
  --shadow-blue: 0 20px 60px rgba(33, 64, 154, 0.22);
}

@media (max-width: 1024px) {
  :root { --page-margin: 40px; --grid-gutter: 24px; }
}
@media (max-width: 767px) {
  :root {
    --page-margin: 20px;
    --grid-gutter: 16px;
    --fs-2xl: 30px;
    --fs-3xl: 42px;
    --fs-4xl: clamp(42px, 13vw, 56px);
    --fs-hero: clamp(52px, 15vw, 82px);
  }
}

/* ---------- RESET ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; }
body {
  margin: 0;
  font-family: var(--ff-body);
  font-size: var(--fs-base);
  line-height: 1.55;
  color: var(--text-0);
  background: var(--surface-0);
  font-feature-settings: "ss01", "ss02", "cv01";
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; padding: 0; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { margin: 0; font-family: var(--ff-display); font-weight: 700; letter-spacing: -0.025em; line-height: 1.02; color: var(--text-0); }
p { margin: 0; }
dl, dt, dd { margin: 0; }

/* ---------- UTIL ---------- */
.shell {
  max-width: var(--shell-max);
  padding-left: var(--page-margin);
  padding-right: var(--page-margin);
  margin-inline: auto;
  width: 100%;
}
.mono { font-family: var(--ff-mono); font-weight: 500; letter-spacing: -0.01em; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--grey-header);
  font-weight: 500;
}
.eyebrow__idx {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 28px;
  height: 22px;
  padding: 0 7px;
  border-radius: var(--r-sm);
  background: var(--surface-2);
  color: var(--text-0);
  font-weight: 600;
}

.tag {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 7px 14px;
  border-radius: var(--r-pill);
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: rgba(255, 255, 255, 0.92);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: -0.005em;
}
.tag--mono { font-family: var(--ff-mono); font-size: 11px; letter-spacing: 0.04em; }
.tag--dot .tag__dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: #6fffb0; box-shadow: 0 0 12px #6fffb0;
  animation: pulse 2.2s ease-in-out infinite;
}
@keyframes pulse { 50% { opacity: 0.45; } }

em { font-style: italic; font-family: "Satoshi"; font-weight: 500; }

/* ---------- BUTTONS ---------- */
.btn {
  --_bg: var(--text-0);
  --_fg: var(--white);
  --_border: var(--text-0);
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 15px 22px;
  border-radius: var(--r-pill);
  background: var(--_bg);
  color: var(--_fg);
  border: 1px solid var(--_border);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: -0.005em;
  transition: transform var(--dur-2) var(--ease-out-expo),
              background var(--dur-2) var(--ease-out-expo),
              color var(--dur-2) var(--ease-out-expo),
              border-color var(--dur-2) var(--ease-out-expo),
              box-shadow var(--dur-2) var(--ease-out-expo);
  will-change: transform;
  cursor: pointer;
  max-width: 100%;
  min-width: 0;
}
.btn span { min-width: 0; }
.btn svg { transition: transform var(--dur-2) var(--ease-out-expo); }
.btn:hover { transform: translateY(-2px); box-shadow: var(--shadow-2); }
.btn:hover svg { transform: translate(2px, -2px); }

.btn--primary { --_bg: var(--blue-600); --_border: var(--blue-600); }
.btn--primary:hover { --_bg: var(--blue-500); --_border: var(--blue-500); box-shadow: var(--shadow-blue); }

.btn--ghost {
  --_bg: rgba(255, 255, 255, 0.55);
  --_fg: var(--text-0);
  --_border: rgba(17, 19, 24, 0.12);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}
.btn--ghost:hover { --_bg: var(--white); --_border: var(--text-0); }

.btn--ghost-dark {
  --_bg: rgba(17, 19, 24, 0.06);
  --_fg: var(--text-0);
  --_border: rgba(17, 19, 24, 0.14);
}
.btn--ghost-dark:hover { --_bg: var(--text-0); --_fg: var(--white); --_border: var(--text-0); }

.btn--outline {
  --_bg: transparent;
  --_fg: var(--text-0);
  --_border: rgba(17, 19, 24, 0.18);
}
.btn--outline:hover { --_bg: var(--text-0); --_fg: var(--white); --_border: var(--text-0); }

.btn--sm { padding: 11px 16px; font-size: 13px; }

/* ---------- CURSOR ---------- */
.cursor, .cursor-dot {
  position: fixed;
  top: 0; left: 0;
  pointer-events: none;
  z-index: 9999;
  mix-blend-mode: difference;
  will-change: transform;
}
.cursor {
  width: 36px; height: 36px;
  border: 1px solid rgba(255,255,255,0.8);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: width 320ms var(--ease-out-expo), height 320ms var(--ease-out-expo), border-color 320ms;
}
.cursor-dot {
  width: 5px; height: 5px;
  background: #fff;
  border-radius: 50%;
  transform: translate(-50%, -50%);
}
.cursor.is-hover { width: 64px; height: 64px; }
.cursor.is-down { width: 24px; height: 24px; }
@media (max-width: 900px), (pointer: coarse) {
  .cursor, .cursor-dot { display: none; }
  body { cursor: auto; }
}
body { cursor: none; }

/* ---------- GRAIN ---------- */
.grain {
  position: fixed; inset: 0;
  pointer-events: none;
  z-index: 9000;
  opacity: 0.035;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='140' height='140'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/></filter><rect width='140' height='140' filter='url(%23n)' opacity='0.9'/></svg>");
}

/* ============================================================
   HEADER
   ============================================================ */
.site-header {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 18px 0;
  transition: background var(--dur-2) var(--ease-out-expo),
              backdrop-filter var(--dur-2) var(--ease-out-expo),
              border-color var(--dur-2) var(--ease-out-expo),
              padding var(--dur-2) var(--ease-out-expo);
  border-bottom: 1px solid transparent;
}
.site-header.is-scrolled {
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom-color: rgba(17, 19, 24, 0.06);
  padding: 12px 0;
}
.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.brand {
  display: inline-flex; align-items: center; gap: 12px;
  color: var(--white);
  transition: color var(--dur-2) var(--ease-out-expo);
  position: relative;
  min-width: 0;
  flex: 1 1 auto;
}
.site-header.is-scrolled .brand { color: var(--text-0); }

.brand__logo {
  width: 34px; height: 34px;
  border-radius: 50%;
  background: var(--white);
  padding: 4px;
  object-fit: contain;
}
.brand__mark {
  display: flex; gap: 6px; align-items: baseline;
  font-family: var(--ff-mono);
  font-size: 13px;
  letter-spacing: 0.02em;
  font-weight: 600;
  min-width: 0;
}
.brand__primary { font-weight: 700; }
.brand__sep { opacity: 0.5; }
.brand__sub { opacity: 0.72; }

.site-nav {
  display: flex;
  gap: 4px;
}
.site-nav a {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 16px;
  border-radius: var(--r-pill);
  font-size: 14px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.84);
  transition: color var(--dur-2) var(--ease-out-expo),
              background var(--dur-2) var(--ease-out-expo),
              transform var(--dur-2) var(--ease-out-expo);
  overflow: hidden;
}
.site-nav a::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: rgba(255, 255, 255, 0.08);
  transform: scale(0.88);
  opacity: 0;
  transition: transform var(--dur-2) var(--ease-out-expo),
              opacity var(--dur-2) var(--ease-out-expo);
}
.site-nav a span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 1;
  transition: transform var(--dur-2) var(--ease-out-expo),
              opacity var(--dur-2) var(--ease-out-expo);
}
.site-nav a:hover,
.site-nav a:focus-visible {
  transform: translateY(-1px);
}
.site-nav a:hover::before,
.site-nav a:focus-visible::before {
  transform: scale(1);
  opacity: 1;
}
.site-nav a:hover span,
.site-nav a:focus-visible span {
  transform: translateY(-1px);
}
.site-header.is-scrolled .site-nav a { color: var(--text-0); }
.site-header.is-scrolled .site-nav a::before {
  background: var(--surface-1);
}

@media (max-width: 1024px) { .site-nav { display: none; } }
@media (max-width: 767px) {
  .site-header {
    padding: 14px 0;
  }
  .site-header.is-scrolled {
    padding: 10px 0;
  }
  .site-header__inner {
    gap: 12px;
  }
  .brand {
    gap: 10px;
  }
  .brand__logo {
    width: 30px;
    height: 30px;
  }
  .brand__mark {
    gap: 4px;
    font-size: 12px;
  }
  .site-header .btn--sm {
    flex: 0 1 auto;
    gap: 8px;
    padding: 10px 14px;
    font-size: 12px;
  }
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  min-height: 100svh;
  min-height: 100vh;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  color: var(--white);
  isolation: isolate;
}
.hero__media {
  position: absolute; inset: 0;
  z-index: 1;
}
.hero__media img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center 40%;
  transform: scale(1.08);
  filter: saturate(0.95) contrast(1.02);
  will-change: transform;
}
.hero__veil {
  position: absolute; inset: 0;
  background: linear-gradient(180deg,
    rgba(17, 19, 24, 0) 0%,
    rgba(17, 19, 24, 0.15) 40%,
    rgba(17, 19, 24, 0.78) 100%);
}
.hero__veil--top {
  background: linear-gradient(180deg, rgba(17, 19, 24, 0.55) 0%, rgba(17, 19, 24, 0) 40%);
}
.hero__particles {
  position: absolute; inset: 0;
  z-index: 3;
  pointer-events: none;
  mix-blend-mode: screen;
}
.hero__content {
  position: relative;
  z-index: 4;
  padding-top: 180px;
  padding-bottom: 96px;
  width: 100%;
}
.hero__meta {
  display: flex; flex-wrap: wrap; gap: 10px;
  margin-bottom: 40px;
}

.hero__title {
  font-size: var(--fs-hero);
  font-weight: 800;
  line-height: 0.94;
  letter-spacing: -0.045em;
  color: var(--white);
  max-width: 12ch;
}
.hero__line { display: block; }
.hero__line--em {
  color: var(--white);
  position: relative;
}
.hero__line--lock,
.hero__typed-lock {
  white-space: nowrap;
}
.hero__line em {
  color: var(--white);
  font-style: italic;
  font-weight: 500;
  position: relative;
}
.typed {
  background: linear-gradient(100deg, #fff 30%, #b8cfff 70%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  padding-right: 4px;
}
.typed__cursor {
  display: inline-block;
  width: 4px;
  height: 0.85em;
  background: var(--white);
  vertical-align: -0.08em;
  margin-left: 4px;
  animation: blink 1s steps(1) infinite;
  transform: translateY(-0.06em);
}
@keyframes blink { 50% { opacity: 0; } }

.hero__lead {
  margin-top: 32px;
  max-width: 44ch;
  color: rgba(255, 255, 255, 0.78);
  font-size: var(--fs-lg);
  line-height: 1.4;
  font-weight: 400;
}

.hero__actions {
  margin-top: 40px;
  display: flex; gap: 12px; flex-wrap: wrap;
}
.hero__actions .btn--ghost-dark {
  background: rgba(255, 255, 255, 0.1);
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.24);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}
.hero__actions .btn--ghost-dark:hover {
  background: var(--white);
  color: var(--text-0);
  border-color: var(--white);
}

.hero__chip {
  position: absolute;
  right: var(--page-margin);
  bottom: 96px;
  z-index: 5;
}
.hero__chip-inner {
  display: flex; gap: 14px; align-items: center;
  padding: 14px 20px 14px 16px;
  border-radius: var(--r-pill);
  background: rgba(255, 255, 255, 0.09);
  border: 1px solid rgba(255, 255, 255, 0.22);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  color: var(--white);
}
.hero__chip-pulse {
  width: 10px; height: 10px; border-radius: 50%;
  background: #6fffb0;
  box-shadow: 0 0 0 0 rgba(111, 255, 176, 0.6);
  animation: pulseRing 2s infinite;
}
@keyframes pulseRing {
  0% { box-shadow: 0 0 0 0 rgba(111, 255, 176, 0.6); }
  70% { box-shadow: 0 0 0 14px rgba(111, 255, 176, 0); }
  100% { box-shadow: 0 0 0 0 rgba(111, 255, 176, 0); }
}
.hero__chip-label {
  font-family: var(--ff-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  opacity: 0.7;
  margin: 0;
}
.hero__chip-value {
  font-size: 14px;
  font-weight: 600;
  margin-top: 2px;
}

.hero__scroll {
  position: absolute;
  bottom: 48px;
  left: var(--page-margin);
  z-index: 5;
  display: flex; align-items: center; gap: 14px;
  color: rgba(255, 255, 255, 0.65);
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.hero__scroll-line {
  display: block;
  width: 52px; height: 1px;
  background: rgba(255, 255, 255, 0.35);
  position: relative;
  overflow: hidden;
}
.hero__scroll-line::after {
  content: ""; position: absolute; inset: 0;
  background: var(--white);
  transform: translateX(-100%);
  animation: scrollLine 2.8s ease-in-out infinite;
}
@keyframes scrollLine {
  0% { transform: translateX(-100%); }
  50% { transform: translateX(0); }
  100% { transform: translateX(100%); }
}

@media (max-width: 900px) {
  .hero__chip { display: none; }
  .hero__scroll { left: 20px; }
  .hero__content { padding-top: 140px; padding-bottom: 80px; }
}
@media (max-width: 767px) {
  .hero__content {
    padding-top: 128px;
    padding-bottom: 72px;
  }
  .hero__meta {
    margin-bottom: 28px;
    gap: 8px;
  }
  .hero__title {
    max-width: 7.5ch;
  }
  .hero__line--lock {
    white-space: normal;
  }
  .hero__lead {
    margin-top: 24px;
    max-width: 24ch;
    font-size: 18px;
  }
  .hero__actions {
    margin-top: 32px;
  }
  .hero__actions .btn {
    width: min(100%, 340px);
    justify-content: space-between;
  }
}

/* ============================================================
   STRIP
   ============================================================ */
.strip {
  overflow: hidden;
  background: var(--text-0);
  border-top: 1px solid rgba(255, 255, 255, 0.04);
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  padding: 22px 0;
}
.strip__track {
  display: flex;
  width: max-content;
  animation: marquee 42s linear infinite;
  will-change: transform;
}
.strip__row {
  display: flex;
  align-items: center;
  gap: 36px;
  padding-right: 36px;
  white-space: nowrap;
  font-family: var(--ff-mono);
  font-size: 14px;
  letter-spacing: -0.005em;
  color: rgba(255, 255, 255, 0.6);
  flex-shrink: 0;
}
.strip__bullet { color: var(--blue-500); }
@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ============================================================
   PROOF (horizontal gallery)
   ============================================================ */
.proof {
  padding: 160px 0 120px;
  background: var(--surface-1);
}
.proof__head {
  display: flex; align-items: flex-end; justify-content: space-between;
  gap: 48px;
  margin-bottom: 72px;
}
.proof__head h2 { font-size: var(--fs-3xl); margin-top: 18px; max-width: 18ch; }
.proof__support { max-width: 36ch; color: var(--text-2); font-size: var(--fs-md); }

.proof__viewport {
  overflow: hidden;
  padding-left: var(--page-margin);
}
.proof__track {
  display: flex; gap: 24px;
  will-change: transform;
}
.proof__slide {
  margin: 0;
  flex: 0 0 auto;
  width: 420px;
  aspect-ratio: 4 / 5;
  position: relative;
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--surface-2);
  box-shadow: var(--shadow-1);
  transition: transform var(--dur-3) var(--ease-out-expo), box-shadow var(--dur-3) var(--ease-out-expo);
}
.proof__slide img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 1.4s var(--ease-out-expo);
}
.proof__slide:hover { box-shadow: var(--shadow-3); transform: translateY(-6px); }
.proof__slide:hover img { transform: scale(1.06); }
.proof__slide figcaption {
  position: absolute; left: 18px; bottom: 16px;
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: rgba(255, 255, 255, 0.9);
  background: rgba(17, 19, 24, 0.55);
  padding: 6px 10px;
  border-radius: var(--r-sm);
  backdrop-filter: blur(8px);
}
@media (max-width: 767px) {
  .proof__head { flex-direction: column; align-items: flex-start; gap: 18px; margin-bottom: 40px; }
  .proof__slide { width: 78vw; }
}

.proof__progress {
  margin-top: 48px;
  display: flex; align-items: center; gap: 24px;
}
.proof__progress-track {
  flex: 1;
  height: 1px;
  background: var(--surface-2);
  position: relative;
  overflow: hidden;
}
.proof__progress-fill {
  position: absolute; top: 0; left: 0; height: 100%;
  background: var(--text-0);
  width: 8%;
  transition: width 200ms linear;
}
.proof__progress-label { color: var(--grey-header); font-size: 12px; }

/* ============================================================
   PHILOSOPHY
   ============================================================ */
.philosophy {
  padding: 112px 0;
  background: var(--white);
  border-top: 1px solid var(--surface-2);
}
.philosophy__grid {
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(0, 9fr);
  gap: 72px;
  align-items: start;
}
.philosophy__head {
  position: sticky;
  top: 120px;
}
.philosophy__head h2 {
  margin-top: 18px;
  font-size: clamp(48px, 5vw, 64px);
  letter-spacing: -0.035em;
}
.philosophy__lead {
  font-size: 22px;
  line-height: 1.35;
  font-weight: 400;
  color: var(--text-0);
  max-width: none;
  letter-spacing: -0.015em;
}
.principles {
  margin-top: 48px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  border-top: 1px solid var(--surface-2);
}
.principles__item {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr);
  grid-template-areas: "num copy";
  column-gap: 40px;
  row-gap: 0;
  padding: 34px 0 30px;
  border-bottom: 1px solid var(--surface-2);
  transition: background var(--dur-2) var(--ease-out-expo), padding var(--dur-2) var(--ease-out-expo);
  width: 100%;
}
.principles__item:hover { background: var(--surface-1); padding-left: 16px; padding-right: 16px; margin-inline: -16px; }
.principles__num {
  grid-area: num;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--grey-header);
  padding-top: 10px;
}
.principles__copy {
  grid-area: copy;
  display: grid;
  gap: 8px;
  max-width: 34ch;
}
.principles__copy h3 {
  font-size: clamp(30px, 3.2vw, 38px);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.02;
  max-width: 18ch;
}
.principles__copy p {
  color: var(--text-2);
  font-size: 16px;
  line-height: 1.45;
  letter-spacing: -0.015em;
  max-width: 26ch;
}
@media (max-width: 900px) {
  .philosophy__grid { grid-template-columns: 1fr; gap: 48px; }
  .philosophy__head { position: static; }
  .principles__item {
    grid-template-columns: 56px minmax(0, 1fr);
    grid-template-areas: "num copy";
    align-items: start;
  }
  .principles__copy,
  .principles__copy p {
    max-width: none;
  }
}

/* ============================================================
   PROJECTS
   ============================================================ */
.projects {
  padding: 160px 0 120px;
  background: var(--surface-1);
  border-top: 1px solid var(--surface-2);
}
.projects__head { margin-bottom: 80px; }
.projects__head h2 { margin-top: 18px; font-size: var(--fs-4xl); }

.proj {
  margin-top: 80px;
  padding: 40px;
  background: var(--blue-600-10);
  border-radius: var(--r-xl);
  box-shadow: 0 24px 60px rgba(17, 19, 24, 0.08), 0 8px 24px rgba(33, 64, 154, 0.08);
  border: 1px solid var(--blue-600-14);
}
.proj__top {
  display: flex; align-items: flex-end; justify-content: space-between;
  gap: 24px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--blue-600-12);
  margin-bottom: 32px;
}
.proj__kicker {
  font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--blue-600);
}
.proj__id h3 {
  font-size: var(--fs-3xl);
  font-weight: 700;
  margin-top: 8px;
}
.proj__location {
  text-align: right;
  font-size: 12px;
  color: var(--text-2);
  display: flex; flex-direction: column; gap: 4px;
}

.proj__layout {
  display: grid;
  grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
  gap: 40px;
  align-items: start;
}
.proj--alt .proj__layout { grid-template-columns: minmax(0, 4fr) minmax(0, 8fr); }
.proj--alt .proj__stage { order: 2; }
.proj--alt .proj__side { order: 1; }

.proj__hero {
  position: relative;
  aspect-ratio: 16 / 11;
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--surface-2);
  margin: 0;
  cursor: pointer;
  outline: none;
}
.proj__hero img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform var(--dur-4) var(--ease-out-expo), opacity var(--dur-3) var(--ease-out-expo);
}
.proj__hero.is-morphing img { opacity: 0; transform: scale(1.04); }
.proj__hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(17, 19, 24, 0) 55%, rgba(17, 19, 24, 0.25) 100%);
  pointer-events: none;
}
.proj__hero:focus-visible {
  box-shadow: 0 0 0 3px rgba(33, 64, 154, 0.18), 0 0 0 1px var(--blue-600);
}
.proj__hero-idx {
  position: absolute; right: 16px; top: 16px;
  font-size: 11px;
  color: var(--white);
  background: rgba(17, 19, 24, 0.5);
  padding: 6px 10px;
  border-radius: var(--r-sm);
  backdrop-filter: blur(8px);
}

.proj__thumbs {
  margin-top: 16px;
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 10px;
}
.proj__thumb {
  aspect-ratio: 1 / 1;
  border-radius: var(--r-md);
  overflow: hidden;
  border: 2px solid transparent;
  transition: border-color var(--dur-2) var(--ease-out-expo),
              transform var(--dur-2) var(--ease-out-expo);
  position: relative;
  background: var(--surface-2);
}
.proj__thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--dur-3) var(--ease-out-expo), filter var(--dur-2); filter: saturate(0.8); }
.proj__thumb:hover img { transform: scale(1.08); filter: saturate(1); }
.proj__thumb.is-active { border-color: var(--blue-600); }
.proj__thumb.is-active img { filter: saturate(1); }

.proj__side {
  padding-top: 6px;
}
.proj__meta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px 16px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--blue-600-12);
}
.proj__meta dt {
  font-family: var(--ff-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--grey-header);
  margin-bottom: 6px;
}
.proj__meta dd { font-size: 14px; font-weight: 500; color: var(--text-0); }
.proj__text { margin: 28px 0; display: grid; gap: 12px; color: var(--text-1); font-size: 15px; line-height: 1.55; }

@media (max-width: 1024px) {
  .proj { padding: 24px; }
  .proj__layout, .proj--alt .proj__layout { grid-template-columns: 1fr; gap: 32px; }
  .proj--alt .proj__stage { order: 0; }
  .proj--alt .proj__side { order: 0; }
  .proj__id h3 { font-size: var(--fs-2xl); }
  .proj__top { flex-direction: column; align-items: flex-start; }
  .proj__location { text-align: left; flex-direction: row; gap: 16px; }
}
@media (max-width: 767px) {
  .proj {
    margin-top: 56px;
    padding: 20px;
  }
  .proj__meta {
    grid-template-columns: 1fr;
  }
  .proj__thumbs {
    grid-template-columns: repeat(3, 1fr);
  }
  .proj .btn {
    width: 100%;
    justify-content: space-between;
  }
}

/* ============================================================
   SERVICES
   ============================================================ */
.services {
  padding: 160px 0;
  background: var(--blue-600-10);
  border-top: 1px solid var(--blue-600-12);
}
.services__head {
  display: flex; align-items: flex-end; justify-content: space-between;
  gap: 48px;
  margin-bottom: 72px;
}
.services__head h2 { margin-top: 18px; font-size: var(--fs-4xl); max-width: 14ch; }
.services__support { max-width: 38ch; color: var(--text-2); font-size: var(--fs-md); }

.services__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--blue-600-12);
  border: 1px solid var(--blue-600-14);
  border-radius: var(--r-lg);
  overflow: hidden;
}
.service {
  position: relative;
  padding: 40px 32px 48px;
  background: linear-gradient(180deg, var(--blue-600-10), rgba(33, 64, 154, 0.06));
  display: flex; flex-direction: column; gap: 12px;
  min-height: 260px;
  transition: background var(--dur-2) var(--ease-out-expo), color var(--dur-2) var(--ease-out-expo);
  overflow: hidden;
}
.service::before {
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(600px 200px at 50% 110%, rgba(33, 64, 154, 0.06), transparent 60%);
  opacity: 0;
  transition: opacity var(--dur-2);
}
.service:hover::before { opacity: 1; }
.service__num {
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--blue-600);
}
.service h3 { font-size: var(--fs-lg); font-weight: 600; letter-spacing: -0.02em; }
.service p { color: rgba(17, 19, 24, 0.72); font-size: 14px; max-width: 28ch; }
.service__arrow {
  position: absolute; right: 24px; bottom: 24px;
  font-size: 22px;
  color: var(--blue-600);
  transform: translate(-8px, 0);
  opacity: 0;
  transition: transform var(--dur-2) var(--ease-out-expo), opacity var(--dur-2);
}
.service:hover .service__arrow { transform: translate(0, 0); opacity: 1; }
.service--wide { grid-column: span 4; background: linear-gradient(135deg, rgba(33, 64, 154, 0.84), rgba(17, 19, 24, 0.94)); color: var(--white); }
.service--wide h3 { color: var(--white); }
.service--wide p { color: rgba(255, 255, 255, 0.66); max-width: 52ch; }
.service--wide .service__num { color: var(--blue-500); }
.service--wide .service__arrow { color: var(--white); }

@media (max-width: 1024px) {
  .services__grid { grid-template-columns: repeat(2, 1fr); }
  .service--wide { grid-column: span 2; }
  .services__head { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 560px) {
  .services__grid { grid-template-columns: 1fr; }
  .service--wide { grid-column: span 1; }
}

/* ============================================================
   SERVICES SHOWCASE
   ============================================================ */
.services-showcase {
  padding: 112px 0 32px;
  background: var(--text-0);
  color: var(--white);
  position: relative;
  scroll-margin-top: 92px;
}
.services-showcase__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: start;
  gap: 28px;
  margin-bottom: 36px;
}
.services-showcase .eyebrow {
  color: rgba(255, 255, 255, 0.62);
}
.services-showcase .eyebrow__idx {
  background: rgba(255, 255, 255, 0.08);
  color: var(--white);
}
.services-showcase__menu {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.services-showcase__pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 60px;
  padding: 12px 18px;
  border-radius: var(--r-pill);
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.02);
  color: rgba(255, 255, 255, 0.78);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.05;
  text-align: center;
  text-decoration: none;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: transform var(--dur-2) var(--ease-out-expo),
              background var(--dur-2) var(--ease-out-expo),
              color var(--dur-2) var(--ease-out-expo),
              border-color var(--dur-2) var(--ease-out-expo);
}
.services-showcase__pill:hover {
  transform: translateY(-1px);
  background: rgba(255, 255, 255, 0.08);
  color: var(--white);
}
.services-showcase__pill.is-selected,
.services-showcase__pill:focus-visible {
  background: var(--white);
  color: var(--text-0);
  border-color: rgba(255, 255, 255, 0.8);
  outline: none;
}
.services-showcase__grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
}
.services-showcase__tile {
  position: relative;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  background: linear-gradient(180deg, #444b58, #1a1d24);
  border-radius: 0;
  isolation: isolate;
}
.services-showcase__tile::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(255,255,255,0.07) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,0.07) 1px, transparent 1px);
  background-size: 24px 24px;
  opacity: 0.18;
  pointer-events: none;
  z-index: 2;
}
.services-showcase__tile::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(17, 19, 24, 0.12), rgba(17, 19, 24, 0.34));
  z-index: 1;
  transition: background var(--dur-3) var(--ease-out-expo);
}
.services-showcase__tile img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(1) saturate(0.8) contrast(1.04);
  transform: scale(1.01);
  transition: transform var(--dur-4) var(--ease-out-expo),
              filter var(--dur-3) var(--ease-out-expo);
}
.services-showcase__tile:hover img {
  filter: grayscale(0) saturate(1.02) contrast(1.02);
  transform: scale(1.08);
}
.services-showcase__tile:hover::after {
  background: linear-gradient(180deg, rgba(17, 19, 24, 0.04), rgba(17, 19, 24, 0.16));
}
.services-showcase__tile-num {
  position: absolute;
  left: 14px;
  bottom: 14px;
  z-index: 3;
  padding: 6px 9px;
  border-radius: var(--r-sm);
  background: rgba(17, 19, 24, 0.44);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.82);
  font-size: 11px;
  letter-spacing: 0.08em;
}
@media (max-width: 1024px) {
  .services-showcase {
    padding-top: 96px;
  }
  .services-showcase__head {
    grid-template-columns: 1fr;
    gap: 20px;
  }
}
@media (max-width: 767px) {
  .services-showcase {
    padding: 88px 0 20px;
  }
  .services-showcase__menu {
    gap: 6px;
  }
  .services-showcase__pill {
    min-height: 54px;
    padding: 10px 14px;
    font-size: 13px;
  }
  .services-showcase__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 6px;
  }
  .services-showcase__tile-num {
    left: 10px;
    bottom: 10px;
    padding: 5px 7px;
    font-size: 10px;
  }
}

/* ============================================================
   BAND
   ============================================================ */
.band {
  padding: 120px 0;
  background: var(--text-0);
  color: var(--white);
  position: relative;
  overflow: hidden;
}
.band::before {
  content: "";
  position: absolute;
  top: 50%; left: -10%;
  width: 70%; height: 140%;
  background: radial-gradient(closest-side, rgba(33, 64, 154, 0.45), transparent);
  filter: blur(80px);
  pointer-events: none;
  opacity: 0.6;
}
.band__grid {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  gap: 64px;
  align-items: center;
  position: relative; z-index: 2;
}
.band__quote p { font-size: var(--fs-3xl); font-family: var(--ff-display); font-weight: 500; letter-spacing: -0.025em; line-height: 1.1; }
.band__quote-dim { color: rgba(255, 255, 255, 0.48); }

.band__stats {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}
.band__stat {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 24px;
  align-items: baseline;
  padding-bottom: 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}
.band__stat-num {
  font-family: var(--ff-display);
  font-size: 64px;
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1;
  color: var(--white);
}
.band__stat-label {
  color: rgba(255, 255, 255, 0.64);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-family: var(--ff-mono);
}
@media (max-width: 900px) {
  .band__grid { grid-template-columns: 1fr; gap: 48px; }
  .band__quote p { font-size: var(--fs-2xl); }
}

/* ============================================================
   CONTACT
   ============================================================ */
.contact {
  padding: 160px 0;
  background: #e8edf4;
  border-top: 1px solid rgba(164, 180, 210, 0.24);
  position: relative;
  overflow: hidden;
  isolation: isolate;
}
.contact::before {
  content: "";
  position: absolute;
  inset: 0;
  background: url("imagenes/fondo_footer.png") center 58% / cover no-repeat;
  transform: scale(1.03);
  z-index: -2;
}
.contact::after {
  content: none;
  z-index: -1;
}
.contact__grid {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: 80px;
  align-items: start;
}
.contact__head {
  position: sticky; top: 120px;
  display: grid;
  gap: 0;
  align-self: start;
  padding: 20px 32px 28px;
  min-height: 320px;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.58);
  border-radius: calc(var(--r-lg) + 4px);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  box-shadow: 0 20px 56px rgba(17, 19, 24, 0.12);
}
.contact__head h2 {
  font-size: clamp(50px, 4.5vw, 64px);
  line-height: 0.78;
  margin: 0;
  letter-spacing: -0.045em;
  max-width: 7.4ch;
}
.contact__title-minor {
  display: inline-block;
  font-size: 0.68em;
  line-height: 0.86;
}
.contact__head h2 em {
  font-style: italic;
  font-family: var(--ff-display);
  font-weight: 500;
  font-size: 1.08em;
  white-space: nowrap;
}
.contact__body {
  min-width: 0;
  display: grid;
  justify-items: start;
}
.contact__list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px 32px;
  padding: 32px;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(255, 255, 255, 0.56);
  border-radius: var(--r-lg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 24px 64px rgba(17, 19, 24, 0.1);
}
.contact__list dt {
  font-family: var(--ff-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--grey-header);
  margin-bottom: 6px;
}
.contact__list > div {
  min-width: 0;
}
.contact__list dd {
  font-size: 15px;
  font-weight: 500;
  overflow-wrap: anywhere;
  word-break: break-word;
}
.contact__actions {
  margin-top: 24px;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.contact__actions .btn {
  min-height: 64px;
  padding: 0 22px;
  font-size: 13px;
  justify-content: center;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.contact__actions .btn--primary {
  --_bg: rgba(33, 64, 154, 0.6);
  --_border: rgba(33, 64, 154, 0.6);
}
.contact__actions .btn--primary:hover {
  --_bg: rgba(33, 64, 154, 0.6);
  --_border: rgba(33, 64, 154, 0.6);
}
.contact__actions .btn--ghost-dark {
  --_bg: rgba(255, 255, 255, 0.6);
  --_fg: var(--text-0);
  --_border: rgba(255, 255, 255, 0.6);
}
.contact__actions .btn--ghost-dark:hover {
  --_bg: rgba(17, 19, 24, 0.6);
  --_fg: var(--white);
  --_border: rgba(17, 19, 24, 0.6);
}
@media (max-width: 900px) {
  .contact__grid { grid-template-columns: 1fr; gap: 40px; }
  .contact__head { position: static; }
  .contact__list { grid-template-columns: 1fr; padding: 24px; }
}
@media (max-width: 767px) {
  .contact {
    padding: 112px 0;
  }
  .contact::before {
    background-position: 62% center;
    transform: scale(1.08);
  }
  .contact__head h2 {
    font-size: clamp(40px, 11vw, 52px);
    max-width: 7.8ch;
  }
  .contact__actions {
    flex-direction: column;
  }
  .contact__actions .btn {
    width: 100%;
    justify-content: space-between;
    font-size: 12px;
    padding: 0 18px;
  }
  .contact__head {
    padding: 18px 20px 22px;
    min-height: 0;
  }
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: var(--text-0);
  color: var(--white);
  padding-top: 24px;
  position: relative;
  overflow: hidden;
}
.site-footer__grid { padding-bottom: 72px; }
.site-footer__cols {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 48px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding-bottom: 48px;
}
.site-footer__col {
  display: flex; flex-direction: column; gap: 10px;
}
.site-footer__col a, .site-footer__col span {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.74);
  transition: color var(--dur-1);
}
.site-footer__col a:hover { color: var(--white); }
.site-footer__label {
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.4);
  margin-bottom: 10px;
}
.site-footer__year { color: rgba(255, 255, 255, 0.36); letter-spacing: 0.2em; }

.wordmark {
  width: 100%;
  padding: 0;
  line-height: 0;
  overflow: hidden;
  margin-top: -260px;
}
.wordmark svg { width: 100%; height: auto; display: block; overflow: visible; }
.wordmark__text {
  font-family: var(--ff-display);
  font-size: 1200px;
  font-weight: 900;
  letter-spacing: -0.08em;
  fill: var(--blue-600);
  stroke: none;
  paint-order: fill;
}

.site-footer__bottom {
  display: flex; justify-content: center; gap: 24px;
  padding: 20px 0 28px;
  color: rgba(255, 255, 255, 0.44);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-align: center;
}

@media (max-width: 767px) {
  .site-footer__cols { grid-template-columns: 1fr; gap: 32px; }
  .site-footer__bottom { flex-direction: column; }
}

/* ============================================================
   REVEAL STATES (GSAP-enhanced, CSS fallback)
   ============================================================ */
[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
}
.no-gsap .proof__viewport {
  overflow-x: auto;
  padding-right: var(--page-margin);
  scroll-snap-type: x proximity;
}
.no-gsap .proof__track {
  width: max-content;
  padding-right: var(--page-margin);
}
.no-gsap .proof__slide {
  scroll-snap-align: start;
}
.no-gsap .proof__progress {
  display: none;
}
.no-gsap [data-reveal] {
  animation: revealUp 900ms var(--ease-out-expo) forwards;
  animation-delay: calc(var(--r-delay, 0) * 1ms);
}
@keyframes revealUp { to { opacity: 1; transform: translateY(0); } }