/* ==========================================================================
   SEVOR Data — design system & site styles
   1. Tokens   2. Base   3. Layout   4. Type   5. Components
   6. Header   7. Sections (index)   8. Registration   9. Utility/motion
   ========================================================================== */

/* 1. TOKENS -------------------------------------------------------------- */
:root {
  /* Neutrals (warm paper + cool ink) */
  --paper: #f6f6f3;
  --paper-2: #efefea;
  --surface: #ffffff;
  --ink: #0c0e12;
  --ink-2: #353a43;      /* body copy on paper: 11:1 */
  --ink-3: #5c636d;      /* secondary copy on paper: 5.8:1 */
  --ink-4: #6b717b;      /* tertiary text / mono labels: 4.5:1 on paper */
  --line: #e2e2dc;
  --line-strong: #cbcbc3;

  /* Night (dark bands) */
  --night: #0b0d11;
  --night-2: #13161c;
  --night-3: #1c2028;
  --night-line: rgba(255, 255, 255, .10);
  --night-text: #eceef1;
  --night-muted: #a4aab3;  /* 8.3:1 on --night */

  /* One accent: Argentine celeste */
  --celeste: #6cace4;      /* fills / on dark */
  --celeste-ink: #1d5c93;  /* text & links on paper: 6.6:1 */
  --celeste-wash: #e6f0fa;

  /* Status */
  --danger: #b42318;
  --danger-wash: #fdf1f0;
  --ok: #17663f;
  --ok-wash: #ecf6f0;
  --warn-wash: #fbf6e9;
  --warn-line: #ead9a8;

  /* Type */
  --font-sans: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  --font-display: "Inter Tight", "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Arial, sans-serif;
  --font-serif: "Instrument Serif", "Iowan Old Style", Georgia, "Times New Roman", serif;
  --font-mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;

  --fs-xs: .75rem;      /* 12 */
  --fs-sm: .875rem;     /* 14 */
  --fs-base: 1rem;      /* 16 */
  --fs-md: 1.125rem;    /* 18 */
  --fs-lg: 1.25rem;     /* 20 */
  --fs-xl: 1.5rem;      /* 24 */
  --fs-2xl: clamp(1.75rem, 1.35rem + 1.2vw, 2.25rem);
  --fs-3xl: clamp(2.125rem, 1.4rem + 2.4vw, 3.375rem);
  --fs-display: clamp(2.5rem, 1.4rem + 4.1vw, 4.5rem);

  /* 8px spacing scale */
  --sp-0: .25rem;  /* 4 */
  --sp-1: .5rem;   /* 8 */
  --sp-2: 1rem;    /* 16 */
  --sp-3: 1.5rem;  /* 24 */
  --sp-4: 2rem;    /* 32 */
  --sp-5: 2.5rem;  /* 40 */
  --sp-6: 3rem;    /* 48 */
  --sp-8: 4rem;    /* 64 */
  --sp-10: 5rem;   /* 80 */
  --sp-12: 6rem;   /* 96 */
  --sp-16: 8rem;   /* 128 */
  --section-y: clamp(4.5rem, 3rem + 6vw, 8.5rem);

  /* Grid */
  --container: 1200px;
  --gutter: clamp(1rem, .6rem + 1.4vw, 1.5rem);
  --page-x: clamp(1.25rem, .5rem + 3vw, 2.5rem);

  /* Shape */
  --r-xs: 4px;
  --r-sm: 6px;
  --r-md: 10px;
  --r-lg: 16px;
  --r-xl: 24px;
  --r-pill: 999px;
  --hairline: 1px solid var(--line);

  --sh-1: 0 1px 2px rgba(12, 14, 18, .05);
  --sh-2: 0 1px 2px rgba(12, 14, 18, .05), 0 6px 20px -10px rgba(12, 14, 18, .18);
  --sh-3: 0 2px 4px rgba(12, 14, 18, .04), 0 24px 48px -24px rgba(12, 14, 18, .28);
  --focus: 0 0 0 3px var(--paper), 0 0 0 5px var(--celeste-ink);

  /* Motion */
  --ease-out: cubic-bezier(.2, .8, .2, 1);
  --ease-in-out: cubic-bezier(.65, 0, .35, 1);
  --dur-1: 120ms;
  --dur-2: 200ms;
  --dur-3: 360ms;
  --dur-4: 720ms;

  --header-h: 72px;
  --header-h-sm: 60px;
}

/* 2. BASE ---------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h-sm) + var(--sp-2)); }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink-2);
  font: 400 var(--fs-base)/1.6 var(--font-sans);
  font-feature-settings: "cv11", "ss01", "ss03";
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img, svg, video, canvas, picture { display: block; max-width: 100%; }
img { height: auto; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
p, h1, h2, h3, h4, ul, ol, dl, dd, figure { margin: 0; }
:where(ul, ol)[role="list"] { list-style: none; padding: 0; }
:focus-visible { outline: none; box-shadow: var(--focus); border-radius: var(--r-xs); }
::selection { background: var(--celeste); color: var(--ink); }
[hidden] { display: none !important; }

.skip {
  position: absolute; left: var(--sp-2); top: -100px; z-index: 100;
  background: var(--ink); color: #fff; padding: var(--sp-1) var(--sp-2); border-radius: var(--r-sm);
  font-size: var(--fs-sm); font-weight: 500;
}
.skip:focus { top: var(--sp-2); }
.visually-hidden, .hp {
  position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* 3. LAYOUT -------------------------------------------------------------- */
.container { width: 100%; max-width: calc(var(--container) + 2 * var(--page-x)); margin-inline: auto; padding-inline: var(--page-x); }
.grid-12 { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: var(--gutter); }
.section { padding-block: var(--section-y); position: relative; }
.section + .section.is-flush { padding-top: 0; }
.section--white { background: var(--surface); border-block: var(--hairline); }
.section--night { background: var(--night); color: var(--night-muted); }

/* 4. TYPE ---------------------------------------------------------------- */
h1, h2, h3, h4 { font-family: var(--font-display); color: var(--ink); font-weight: 600; text-wrap: balance; }
h1 { font-size: var(--fs-display); line-height: 1.02; letter-spacing: -.038em; }
h2 { font-size: var(--fs-3xl); line-height: 1.06; letter-spacing: -.032em; }
h3 { font-size: var(--fs-xl); line-height: 1.2; letter-spacing: -.018em; }
h4 { font-size: var(--fs-md); line-height: 1.35; letter-spacing: -.01em; }
p { text-wrap: pretty; }
.serif, h1 em, h2 em, .em-host em {
  font-family: var(--font-serif); font-style: italic; font-weight: 400;
  letter-spacing: -.012em; font-size: 1.08em; line-height: 0; /* keep line box stable */
}
.section--night h2, .section--night h3 { color: var(--night-text); }
.section--night h2 em { color: var(--celeste); }

.lead { font-size: var(--fs-md); line-height: 1.55; color: var(--ink-3); max-width: 38em; }
@media (min-width: 1024px) { .lead { font-size: 1.1875rem; } }
.section--night .lead { color: var(--night-muted); }

.eyebrow {
  display: inline-flex; align-items: center; gap: .625rem;
  font: 500 var(--fs-xs)/1 var(--font-mono); letter-spacing: .08em; text-transform: uppercase; color: var(--ink-3);
}
.eyebrow::before { content: ""; width: 6px; height: 6px; background: var(--celeste); border-radius: 1px; flex: none; }
.section--night .eyebrow { color: var(--night-muted); }
.mono { font-family: var(--font-mono); font-size: var(--fs-xs); letter-spacing: .04em; }
.muted { color: var(--ink-3); }
.small { font-size: var(--fs-sm); line-height: 1.55; }
.link { color: var(--celeste-ink); text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 3px; text-decoration-color: color-mix(in srgb, currentColor 35%, transparent); transition: text-decoration-color var(--dur-2); }
.link:hover { text-decoration-color: currentColor; }

.section-head { display: grid; gap: var(--sp-2); margin-bottom: var(--sp-8); max-width: 46rem; }
.section-head h2 { margin-top: var(--sp-0); }
@media (min-width: 1024px) {
  .section-head.is-split { max-width: none; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: var(--gutter); align-items: end; }
  .section-head.is-split > .head-main { grid-column: 1 / span 7; display: grid; gap: var(--sp-2); }
  .section-head.is-split > .lead { grid-column: 9 / span 4; }
}

/* 5. COMPONENTS ---------------------------------------------------------- */
/* Buttons */
.btn {
  --btn-h: 46px;
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  height: var(--btn-h); padding: 0 1.125rem; border-radius: var(--r-md);
  font: 500 .9375rem/1 var(--font-sans); letter-spacing: -.005em; white-space: nowrap;
  border: 1px solid transparent; cursor: pointer; user-select: none;
  transition: background-color var(--dur-2) var(--ease-out), border-color var(--dur-2) var(--ease-out),
              color var(--dur-2) var(--ease-out), box-shadow var(--dur-2) var(--ease-out), transform var(--dur-2) var(--ease-out);
}
.btn:active { transform: translateY(1px); }
.btn[disabled] { opacity: .55; cursor: not-allowed; transform: none; }
.btn-sm { --btn-h: 38px; padding: 0 .875rem; font-size: var(--fs-sm); border-radius: 9px; }
.btn-lg { --btn-h: 52px; padding: 0 1.375rem; font-size: 1rem; }
.btn-primary { background: var(--ink); color: #fff; box-shadow: inset 0 1px 0 rgba(255, 255, 255, .12), var(--sh-1); }
.btn-primary:hover { background: #262a33; }
.btn-secondary { background: var(--surface); color: var(--ink); border-color: var(--line-strong); box-shadow: var(--sh-1); }
.btn-secondary:hover { border-color: var(--ink-4); background: #fbfbf9; }
.btn-quiet { background: transparent; color: var(--ink-2); }
.btn-quiet:hover { background: rgba(12, 14, 18, .05); color: var(--ink); }
.btn .arrow { width: 16px; height: 16px; flex: none; transition: transform var(--dur-2) var(--ease-out); }
.btn:hover .arrow { transform: translateX(2px); }
.on-night .btn-primary, .section--night .btn-primary { background: #fff; color: var(--ink); box-shadow: none; }
.on-night .btn-primary:hover, .section--night .btn-primary:hover { background: #dfe3e8; }
.on-night .btn-secondary, .section--night .btn-secondary { background: transparent; color: var(--night-text); border-color: rgba(255, 255, 255, .22); box-shadow: none; }
.on-night .btn-secondary:hover, .section--night .btn-secondary:hover { border-color: rgba(255, 255, 255, .5); background: rgba(255, 255, 255, .04); }
.section--night :focus-visible { box-shadow: 0 0 0 3px var(--night), 0 0 0 5px var(--celeste); }
.cta-row { display: flex; flex-wrap: wrap; gap: .75rem; align-items: center; }

/* Pills & tags */
.pill {
  display: inline-flex; align-items: center; gap: .5rem; height: 30px; padding: 0 .75rem 0 .625rem;
  border: var(--hairline); border-radius: var(--r-pill); background: var(--surface);
  font-size: var(--fs-sm); font-weight: 500; color: var(--ink-2); box-shadow: var(--sh-1);
}
.pill .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--ok); box-shadow: 0 0 0 3px var(--ok-wash); }

/* Tick list */
.ticks { list-style: none; padding: 0; display: grid; gap: .75rem; }
.ticks li { position: relative; padding-left: 1.75rem; line-height: 1.5; }
.ticks li::before {
  content: ""; position: absolute; left: 0; top: .2em; width: 1.125rem; height: 1.125rem; border-radius: 50%;
  background: var(--celeste-wash) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none' stroke='%231d5c93' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m4.5 8.2 2.3 2.3 4.7-5'/%3E%3C/svg%3E") center/12px no-repeat;
}
.ticks.is-ruled { gap: 0; }
.ticks.is-ruled li { padding-block: .875rem; border-top: var(--hairline); padding-left: 2rem; }
.ticks.is-ruled li::before { top: calc(.875rem + .2em); }
.ticks.is-ruled li:last-child { border-bottom: var(--hairline); }

/* Callouts */
.callout {
  display: flex; gap: .75rem; align-items: flex-start; padding: .875rem 1rem; border-radius: var(--r-md);
  border: 1px solid var(--line); background: var(--surface); font-size: var(--fs-sm); line-height: 1.5; color: var(--ink-2);
}
.callout svg { width: 18px; height: 18px; flex: none; margin-top: 1px; color: var(--ink-3); }
.callout.is-warn { background: var(--warn-wash); border-color: var(--warn-line); color: #4a3a0c; }
.callout.is-warn svg { color: #8a6514; }
.callout.is-info { background: var(--celeste-wash); border-color: #c8dcf0; color: #183f62; }
.callout.is-info svg { color: var(--celeste-ink); }

/* Media frames */
.media { position: relative; overflow: hidden; border-radius: var(--r-lg); background: var(--paper-2); isolation: isolate; }
.media picture { width: 100%; height: 100%; }
.media img { width: 100%; height: 100%; object-fit: cover; }
.media::after { content: ""; position: absolute; inset: 0; border-radius: inherit; box-shadow: inset 0 0 0 1px rgba(12, 14, 18, .08); pointer-events: none; }
.media-tag {
  position: absolute; left: var(--sp-2); top: var(--sp-2); z-index: 1;
  display: inline-flex; align-items: center; gap: .5rem; height: 28px; padding: 0 .625rem; border-radius: var(--r-sm);
  background: rgba(12, 14, 18, .62); color: #fff; backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  font: 500 11px/1 var(--font-mono); letter-spacing: .08em; text-transform: uppercase;
}
.media-tag .rec { width: 7px; height: 7px; border-radius: 50%; background: #ff5a4e; }
.figcap { margin-top: .875rem; display: flex; gap: .75rem; align-items: baseline; font-size: var(--fs-sm); color: var(--ink-3); }
.figcap .mono { color: var(--ink-4); flex: none; }

/* 6. HEADER -------------------------------------------------------------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(246, 246, 243, .72);
  backdrop-filter: saturate(1.6) blur(14px); -webkit-backdrop-filter: saturate(1.6) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur-3) var(--ease-out), background-color var(--dur-3) var(--ease-out);
}
.site-header.is-condensed { border-bottom-color: var(--line); background: rgba(246, 246, 243, .86); }
.header-inner { display: flex; align-items: center; gap: var(--sp-4); height: var(--header-h); transition: height var(--dur-3) var(--ease-out); }
.site-header.is-condensed .header-inner { height: var(--header-h-sm); }

.brand { display: inline-flex; align-items: center; gap: .625rem; color: var(--ink); flex: none; }
.brand-mark { width: 28px; height: 28px; flex: none; }
.brand-word { font: 600 1.0625rem/1 var(--font-display); letter-spacing: .06em; }
.brand-word span { font-weight: 500; color: var(--ink-3); letter-spacing: .02em; margin-left: .3em; }

.primary-nav { margin-left: auto; }
.primary-nav ul { display: flex; gap: .25rem; list-style: none; padding: 0; }
.primary-nav a {
  display: inline-flex; align-items: center; height: 36px; padding: 0 .75rem; border-radius: var(--r-sm);
  font-size: var(--fs-sm); font-weight: 500; color: var(--ink-3); transition: color var(--dur-2), background-color var(--dur-2);
}
.primary-nav a:hover, .primary-nav a[aria-current="true"] { color: var(--ink); background: rgba(12, 14, 18, .045); }
.header-actions { display: flex; align-items: center; gap: .5rem; margin-left: auto; }
.primary-nav + .header-actions { margin-left: var(--sp-1); }

/* Language selector */
.lang { position: relative; }
.lang-btn {
  display: inline-flex; align-items: center; gap: .5rem; height: 38px; padding: 0 .625rem 0 .5rem;
  border: 1px solid transparent; border-radius: 9px; background: transparent; color: var(--ink-2);
  font-size: var(--fs-sm); font-weight: 500; transition: background-color var(--dur-2), border-color var(--dur-2);
}
.lang-btn:hover, .lang.open .lang-btn { background: rgba(12, 14, 18, .045); }
.lang-btn .chev { width: 14px; height: 14px; color: var(--ink-3); transition: transform var(--dur-2) var(--ease-out); }
.lang.open .lang-btn .chev { transform: rotate(180deg); }
.flag { width: 20px; height: 14px; border-radius: 2.5px; overflow: hidden; flex: none; box-shadow: 0 0 0 1px rgba(12, 14, 18, .14); }
.flag svg { width: 100%; height: 100%; }
.lang-code { font-family: var(--font-mono); font-size: 12px; letter-spacing: .06em; }
.lang-menu {
  position: absolute; right: 0; top: calc(100% + 8px); min-width: 216px; padding: 6px; z-index: 60;
  background: var(--surface); border: var(--hairline); border-radius: var(--r-md); box-shadow: var(--sh-3);
  opacity: 0; visibility: hidden; transform: translateY(-4px) scale(.98); transform-origin: top right;
  transition: opacity var(--dur-2) var(--ease-out), transform var(--dur-2) var(--ease-out), visibility 0s linear var(--dur-2);
}
.lang.open .lang-menu { opacity: 1; visibility: visible; transform: none; transition-delay: 0s; }
.lang-menu button {
  display: flex; align-items: center; gap: .75rem; width: 100%; height: 38px; padding: 0 .625rem;
  border: 0; border-radius: var(--r-sm); background: transparent; text-align: left; font-size: var(--fs-sm); color: var(--ink-2);
}
.lang-menu button:hover, .lang-menu button:focus-visible { background: var(--paper); color: var(--ink); box-shadow: none; }
.lang-menu .lang-name { flex: 1; font-weight: 500; }
.lang-menu .lang-code { color: var(--ink-4); }
.lang-menu .check { width: 16px; height: 16px; color: var(--celeste-ink); opacity: 0; }
.lang-menu [aria-checked="true"] .check { opacity: 1; }
.lang-menu [aria-checked="true"] .lang-name { color: var(--ink); }

/* Mobile menu */
.menu-toggle {
  display: none; width: 40px; height: 40px; border: 1px solid var(--line-strong); border-radius: 9px; background: var(--surface);
  align-items: center; justify-content: center; padding: 0;
}
.menu-toggle span { position: relative; display: block; width: 16px; height: 1.5px; background: var(--ink); transition: background-color var(--dur-2); }
.menu-toggle span::before, .menu-toggle span::after {
  content: ""; position: absolute; left: 0; width: 16px; height: 1.5px; background: var(--ink); transition: transform var(--dur-3) var(--ease-out);
}
.menu-toggle span::before { transform: translateY(-5px); }
.menu-toggle span::after { transform: translateY(5px); }
.menu-toggle[aria-expanded="true"] span { background: transparent; }
.menu-toggle[aria-expanded="true"] span::before { transform: rotate(45deg); }
.menu-toggle[aria-expanded="true"] span::after { transform: rotate(-45deg); }
.mobile-menu { border-top: var(--hairline); background: var(--paper); height: calc(100vh - var(--header-h)); height: calc(100dvh - var(--header-h)); overflow-y: auto; overscroll-behavior: contain; }
.mobile-menu nav ul { list-style: none; padding: var(--sp-1) 0; }
.mobile-menu nav a {
  display: flex; justify-content: space-between; align-items: center; padding: 1rem 0; border-bottom: var(--hairline);
  font: 500 1.125rem/1.2 var(--font-display); letter-spacing: -.01em; color: var(--ink);
}
.mobile-menu nav a::after { content: "→"; color: var(--ink-4); font-family: var(--font-sans); }
.mobile-menu .cta-row { padding: var(--sp-3) 0 var(--sp-4); }
.mobile-menu .cta-row .btn { flex: 1; }

@media (max-width: 1023px) {
  .primary-nav, .header-cta { display: none; }
  .menu-toggle { display: inline-flex; }
}
@media (min-width: 1024px) { .mobile-menu { display: none !important; } }
@media (max-width: 420px) { .brand-word span { display: none; } }

/* 7. INDEX SECTIONS ------------------------------------------------------ */
/* Hero */
.hero { position: relative; padding-top: clamp(2.5rem, 1rem + 5vw, 5.5rem); padding-bottom: var(--sp-4); overflow: hidden; }
.hero-grid { align-items: center; row-gap: var(--sp-4); }
.hero-copy { grid-column: 1 / span 7; grid-row: 1; position: relative; z-index: 2; display: grid; gap: var(--sp-3); align-content: start; }
.hero-copy h1 { margin-top: var(--sp-1); max-width: 12.5em; }
.hero-copy h1 em { color: var(--celeste-ink); }
.hero-copy .lead { max-width: 33em; }
.hero-copy .cta-row { margin-top: var(--sp-1); }
.hero-meta { display: flex; flex-wrap: wrap; gap: .25rem 1.25rem; list-style: none; padding: 0; margin-top: var(--sp-2); }
.hero-meta li { display: inline-flex; align-items: center; gap: .5rem; font: 500 12px/1.8 var(--font-mono); letter-spacing: .05em; text-transform: uppercase; color: var(--ink-3); }
.hero-meta li + li::before { content: ""; width: 3px; height: 3px; border-radius: 50%; background: var(--ink-4); margin-right: .75rem; }
@media (max-width: 599px) { .hero-meta { gap: .25rem 1rem; } .hero-meta li::before, .hero-meta li + li::before { content: ""; display: inline-block; width: 5px; height: 5px; border-radius: 1px; background: var(--ink-4); margin-right: .125rem; } }

.hero-visual { grid-column: 7 / span 6; grid-row: 1; position: relative; aspect-ratio: 1 / 1; min-height: 320px; margin-right: calc(var(--page-x) * -.5); }
.hero-visual canvas { position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0; transition: opacity 1.2s var(--ease-out); }
.hero.webgl-ready .hero-visual canvas { opacity: 1; }
.hero-visual .globe-fallback { position: absolute; inset: 6%; width: 88%; height: 88%; transition: opacity .6s var(--ease-out); }
.hero.webgl-ready .globe-fallback { opacity: 0; }
.globe-label {
  position: absolute; right: 6%; bottom: 9%; z-index: 2; display: grid; gap: 2px; padding: .5rem .75rem;
  background: rgba(255, 255, 255, .8); border: var(--hairline); border-radius: var(--r-sm); box-shadow: var(--sh-1);
  backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
  font: 500 11px/1.45 var(--font-mono); letter-spacing: .06em; color: var(--ink-2); text-transform: uppercase;
}
.globe-label b { font-weight: 600; color: var(--ink); display: flex; align-items: center; gap: .5rem; }
.globe-label b::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--celeste-ink); box-shadow: 0 0 0 3px var(--celeste-wash); }
.globe-label span { color: var(--ink-3); }

.hero-media { margin-top: clamp(2.5rem, 1rem + 4vw, 4.5rem); }
.hero-media .media { aspect-ratio: 21 / 9; border-radius: var(--r-xl); box-shadow: var(--sh-3); }
.hero-media .media img { object-position: 50% 58%; }

@media (max-width: 1023px) {
  .hero-copy { grid-column: 1 / -1; grid-row: auto; }
  .hero-visual { grid-column: 1 / -1; grid-row: auto; order: 2; width: min(100%, 560px); margin: calc(var(--sp-4) * -1) auto 0; }
  .hero-media .media { aspect-ratio: 4 / 3; border-radius: var(--r-lg); }
}
@media (max-width: 599px) {
  .hero-visual { min-height: 0; aspect-ratio: 1 / .92; margin-top: calc(var(--sp-3) * -1); }
  .globe-label { right: 0; bottom: 4%; }
  .hero-copy .cta-row .btn { flex: 1 1 auto; }
}

/* Capabilities index band */
.capabilities { padding-block: var(--sp-10) var(--sp-8); }
.cap-head { grid-column: 1 / span 5; }
.cap-statement { font: 500 var(--fs-2xl)/1.2 var(--font-display); letter-spacing: -.022em; color: var(--ink); margin-top: var(--sp-2); text-wrap: balance; }
.cap-list { list-style: none; padding: 0; margin-top: var(--sp-8); display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border-top: 1px solid var(--ink); }
.cap-list li { border-right: var(--hairline); }
.cap-list li:last-child { border-right: 0; }
.cap-list a { display: grid; gap: .625rem; align-content: start; height: 100%; padding: var(--sp-3) var(--sp-3) var(--sp-4) 0; transition: background-color var(--dur-2); }
.cap-list li + li a { padding-left: var(--sp-3); }
.cap-list .num { font: 500 12px/1 var(--font-mono); color: var(--ink-4); letter-spacing: .06em; }
.cap-list h3 { font-size: var(--fs-md); letter-spacing: -.012em; display: flex; justify-content: space-between; gap: .5rem; }
.cap-list h3 .go { color: var(--ink-4); transition: transform var(--dur-2) var(--ease-out), color var(--dur-2); font-family: var(--font-sans); }
.cap-list a:hover h3 .go { transform: translate(2px, -2px); color: var(--ink); }
.cap-list p { font-size: var(--fs-sm); color: var(--ink-3); line-height: 1.55; }
@media (max-width: 1023px) {
  .cap-head { grid-column: 1 / -1; }
  .cap-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .cap-list li:nth-child(2) { border-right: 0; }
  .cap-list li:nth-child(n+3) { border-top: var(--hairline); }
  .cap-list li:nth-child(3) a { padding-left: 0; }
}
@media (max-width: 599px) {
  .cap-list { grid-template-columns: 1fr; }
  .cap-list li { border-right: 0; }
  .cap-list li + li { border-top: var(--hairline); }
  .cap-list li + li a { padding-left: 0; }
  .cap-list a { padding: var(--sp-3) 0; }
}

/* Feature rows */
.feature { align-items: center; row-gap: var(--sp-4); }
.feature + .feature { margin-top: clamp(4rem, 2rem + 6vw, 7.5rem); }
.feature-media { grid-column: 1 / span 7; }
.feature-body { grid-column: 9 / span 4; display: grid; gap: var(--sp-2); }
.feature.is-reversed .feature-media { grid-column: 6 / span 7; order: 2; }
.feature.is-reversed .feature-body { grid-column: 1 / span 4; order: 1; }
.feature-media .media { aspect-ratio: 4 / 3; }
.feature-body .num { font: 500 12px/1 var(--font-mono); letter-spacing: .08em; color: var(--celeste-ink); }
.feature-body h3 { font-size: clamp(1.5rem, 1.2rem + .9vw, 2rem); letter-spacing: -.025em; line-height: 1.1; }
.feature-body p { color: var(--ink-3); }
.feature-body .ticks { margin-top: var(--sp-1); font-size: var(--fs-sm); color: var(--ink-2); }
@media (max-width: 1023px) {
  .feature-media, .feature-body, .feature.is-reversed .feature-media, .feature.is-reversed .feature-body { grid-column: 1 / -1; order: initial; }
  .feature-body { max-width: 36rem; }
}

/* Code / schema panel */
.code-panel { background: var(--night); border-radius: var(--r-lg); color: #c9ced6; box-shadow: var(--sh-3); overflow: hidden; border: 1px solid #1d2129; }
.code-bar { display: flex; align-items: center; gap: .75rem; height: 44px; padding: 0 1rem; border-bottom: 1px solid var(--night-line); font: 500 12px/1 var(--font-mono); color: var(--night-muted); }
.code-bar .dots { display: flex; gap: 6px; }
.code-bar .dots i { width: 9px; height: 9px; border-radius: 50%; background: #2c313b; }
.code-bar .file { margin-left: auto; letter-spacing: .03em; }
.code-panel pre { margin: 0; padding: 1.25rem 1.25rem 1.5rem; overflow-x: auto; font: 400 13px/1.75 var(--font-mono); tab-size: 2; }
.code-panel .k { color: #9cc7ee; }
.code-panel .s { color: #e8e3d4; }
.code-panel .n { color: #f0b37e; }
.code-panel .p { color: #6b727d; }
@media (max-width: 599px) { .code-panel pre { font-size: 12px; padding: 1rem; } }

/* Process timeline */
.timeline { list-style: none; padding: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); column-gap: var(--gutter); counter-reset: step; position: relative; }
.timeline::before { content: ""; position: absolute; left: 0; right: 0; top: 15px; height: 1px; background: var(--line-strong); }
.timeline li { position: relative; display: grid; gap: .625rem; align-content: start; padding-right: var(--sp-2); }
.timeline .node {
  position: relative; z-index: 1; width: 31px; height: 31px; border-radius: 50%; background: var(--surface); border: 1px solid var(--line-strong);
  display: grid; place-items: center; font: 600 12px/1 var(--font-mono); color: var(--ink); margin-bottom: var(--sp-2);
  transition: background-color var(--dur-3) var(--ease-out), color var(--dur-3), border-color var(--dur-3);
}
.timeline li.in .node { background: var(--ink); color: #fff; border-color: var(--ink); }
.timeline .step-label { font: 500 11px/1 var(--font-mono); letter-spacing: .08em; text-transform: uppercase; color: var(--ink-3); }
.timeline h3 { font-size: var(--fs-lg); }
.timeline p { font-size: var(--fs-sm); color: var(--ink-3); line-height: 1.6; }
.process-note { margin-top: var(--sp-8); max-width: 40rem; }
@media (max-width: 1023px) {
  .timeline { grid-template-columns: 1fr; row-gap: var(--sp-4); padding-left: 3rem; }
  .timeline::before { left: 15px; right: auto; top: 8px; bottom: 8px; width: 1px; height: auto; }
  .timeline .node { position: absolute; left: -3rem; top: 0; margin: 0; }
  .timeline li { padding-right: 0; }
}

/* Quality spec sheet */
.qa-grid { align-items: start; row-gap: var(--sp-6); }
.qa-intro { grid-column: 1 / span 4; display: grid; gap: var(--sp-2); position: sticky; top: calc(var(--header-h-sm) + var(--sp-4)); }
.qa-sheet { grid-column: 6 / span 7; background: var(--surface); border: var(--hairline); border-radius: var(--r-lg); box-shadow: var(--sh-2); overflow: hidden; }
.sheet-head { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 1rem; padding: 1rem 1.25rem; border-bottom: var(--hairline); background: #fbfbf9; }
.sheet-head .mono { color: var(--ink-3); text-transform: uppercase; letter-spacing: .08em; }
.sheet-head .doc-id { color: var(--ink-4); }
.sheet-cols, .sheet-row { display: grid; grid-template-columns: 4.5rem minmax(0, 1fr) auto; gap: 1rem; padding: .875rem 1.25rem; align-items: start; }
.sheet-cols { border-bottom: var(--hairline); font: 500 11px/1 var(--font-mono); letter-spacing: .08em; text-transform: uppercase; color: var(--ink-4); padding-block: .75rem; }
.sheet-row + .sheet-row { border-top: var(--hairline); }
.sheet-row { padding-block: 1.125rem; transition: background-color var(--dur-2); }
.sheet-row:hover { background: #fbfbf9; }
.sheet-row .id { font: 500 12px/1.6 var(--font-mono); color: var(--ink-3); }
.sheet-row h3 { font-size: var(--fs-base); letter-spacing: -.008em; line-height: 1.4; }
.sheet-row p { font-size: var(--fs-sm); color: var(--ink-3); line-height: 1.55; margin-top: .25rem; }
.status-chip {
  display: inline-flex; align-items: center; gap: .375rem; height: 24px; padding: 0 .5rem; border-radius: var(--r-pill);
  background: var(--ok-wash); color: var(--ok); font: 500 12px/1 var(--font-sans); white-space: nowrap;
}
.status-chip svg { width: 12px; height: 12px; }
@media (max-width: 1023px) {
  .qa-intro, .qa-sheet { grid-column: 1 / -1; position: static; }
}
@media (max-width: 599px) {
  .sheet-cols { display: none; }
  .sheet-row { grid-template-columns: 1fr auto; gap: .375rem .75rem; padding: 1rem; }
  .sheet-row .id { grid-column: 1 / -1; }
  .sheet-row > div { grid-column: 1; }
}

/* Why Argentina (night band) */
.why-grid { row-gap: var(--sp-8); align-items: center; }
.why-copy { grid-column: 1 / span 6; display: grid; gap: var(--sp-2); }
.why-map { grid-column: 8 / span 5; position: relative; }
.why-map svg { width: 100%; height: auto; max-height: 420px; }
.why-map figcaption { margin-top: var(--sp-2); font: 500 11px/1.5 var(--font-mono); letter-spacing: .08em; text-transform: uppercase; color: var(--night-muted); display: flex; justify-content: space-between; gap: 1rem; border-top: 1px solid var(--night-line); padding-top: .75rem; }
.facts { grid-column: 1 / -1; list-style: none; padding: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border-top: 1px solid var(--night-line); }
.facts li { padding: var(--sp-4) var(--sp-3) 0 0; display: grid; gap: .625rem; align-content: start; }
.facts li + li { padding-left: var(--sp-3); border-left: 1px solid var(--night-line); }
.facts .token { font: 500 clamp(1.75rem, 1.3rem + 1.2vw, 2.25rem)/1 var(--font-display); letter-spacing: -.03em; color: var(--night-text); margin-bottom: var(--sp-1); }
.facts .token em { font-family: var(--font-serif); font-weight: 400; color: var(--celeste); }
.facts h3 { font-size: var(--fs-base); letter-spacing: -.005em; }
.facts p { font-size: var(--fs-sm); line-height: 1.6; }
@media (max-width: 1023px) {
  .why-copy, .why-map { grid-column: 1 / -1; }
  .why-map { max-width: 420px; }
  .facts { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .facts li:nth-child(3) { padding-left: 0; border-left: 0; }
  .facts li:nth-child(n+3) { border-top: 1px solid var(--night-line); margin-top: var(--sp-4); }
}
@media (max-width: 599px) {
  .facts { grid-template-columns: 1fr; }
  .facts li, .facts li + li { padding: var(--sp-3) 0; border-left: 0; margin-top: 0; }
  .facts li + li { border-top: 1px solid var(--night-line); }
}

/* Recruit */
.recruit { align-items: stretch; row-gap: var(--sp-4); }
.recruit-media { grid-column: 1 / span 6; }
.recruit-media .media { height: 100%; min-height: 420px; background: #111; }
.recruit-media .media img { object-position: 50% 50%; }
.recruit-body { grid-column: 8 / span 5; display: grid; gap: var(--sp-2); align-content: center; padding-block: var(--sp-2); }
.recruit-body .ticks { margin-top: var(--sp-2); font-size: var(--fs-sm); }
.recruit-body .cta-row { margin-top: var(--sp-2); }
@media (max-width: 1023px) {
  .recruit-media, .recruit-body { grid-column: 1 / -1; }
  .recruit-media .media { min-height: 0; aspect-ratio: 16 / 10; }
}

/* Final CTA */
.cta-band { background: var(--night); color: var(--night-muted); border-radius: var(--r-xl); padding: clamp(2.5rem, 1.5rem + 4vw, 5rem); position: relative; overflow: hidden; }
.cta-band::before {
  content: ""; position: absolute; inset: 0; pointer-events: none; opacity: .5;
  background-image: radial-gradient(rgba(255, 255, 255, .09) 1px, transparent 1.2px); background-size: 18px 18px;
  -webkit-mask-image: linear-gradient(105deg, transparent 35%, #000 100%); mask-image: linear-gradient(105deg, transparent 35%, #000 100%);
}
.cta-band .grid-12 { position: relative; row-gap: var(--sp-4); align-items: end; padding: 0; }
.cta-band .cta-copy { grid-column: 1 / span 7; display: grid; gap: var(--sp-2); }
.cta-band h2 { color: var(--night-text); }
.cta-band h2 em { color: var(--celeste); }
.cta-band .cta-side { grid-column: 9 / span 4; display: grid; gap: var(--sp-2); }
.cta-band .mail-label { font: 500 11px/1 var(--font-mono); letter-spacing: .08em; text-transform: uppercase; color: var(--night-muted); }
.cta-band .mail { font: 500 clamp(1.125rem, 1rem + .5vw, 1.375rem)/1.3 var(--font-display); color: var(--night-text); letter-spacing: -.01em; word-break: break-word; border-bottom: 1px solid rgba(255, 255, 255, .25); padding-bottom: .5rem; transition: border-color var(--dur-2); }
.cta-band .mail:hover { border-color: var(--celeste); }
.cta-band :focus-visible { box-shadow: 0 0 0 3px var(--night), 0 0 0 5px var(--celeste); }
@media (max-width: 1023px) { .cta-band .cta-copy, .cta-band .cta-side { grid-column: 1 / -1; } }

/* Footer */
.site-footer { border-top: var(--hairline); padding-top: var(--sp-10); padding-bottom: var(--sp-4); font-size: var(--fs-sm); color: var(--ink-3); background: var(--paper); }
.foot-grid { row-gap: var(--sp-6); }
.foot-brand { grid-column: 1 / span 4; display: grid; gap: var(--sp-2); align-content: start; }
.foot-brand p { max-width: 22rem; line-height: 1.6; }
.foot-col { grid-column: span 2; display: grid; gap: .75rem; align-content: start; }
.foot-col.is-wide { grid-column: span 4; }
.foot-col h2 { font: 500 11px/1 var(--font-mono); letter-spacing: .08em; text-transform: uppercase; color: var(--ink-3); margin-bottom: .25rem; }
.foot-col ul { list-style: none; padding: 0; display: grid; gap: .625rem; }
.foot-col a { color: var(--ink-2); transition: color var(--dur-2); }
.foot-col a:hover { color: var(--ink); text-decoration: underline; text-underline-offset: 3px; }
.foot-col p { line-height: 1.6; }
.foot-bottom { margin-top: var(--sp-10); padding-top: var(--sp-3); border-top: var(--hairline); display: flex; flex-wrap: wrap; gap: .5rem 1.5rem; justify-content: space-between; align-items: center; font-size: 13px; }
.foot-bottom .mono { color: var(--ink-4); }
.to-top { display: inline-flex; align-items: center; gap: .375rem; color: var(--ink-3); }
.to-top:hover { color: var(--ink); }
@media (max-width: 1023px) {
  .foot-brand { grid-column: 1 / -1; }
  .foot-col { grid-column: span 4; }
  .foot-col.is-wide { grid-column: span 8; }
}
@media (max-width: 599px) {
  .foot-col { grid-column: span 6; }
  .foot-col.is-wide { grid-column: 1 / -1; }
}

/* Simple centered page (gracias / 404) */
.page-center { min-height: calc(100vh - var(--header-h) - 120px); display: grid; place-items: center; padding-block: var(--sp-12); }
.result-card { max-width: 560px; width: 100%; background: var(--surface); border: var(--hairline); border-radius: var(--r-xl); box-shadow: var(--sh-3); padding: clamp(2rem, 1.5rem + 2vw, 3rem); display: grid; gap: var(--sp-2); }
.result-icon { width: 48px; height: 48px; border-radius: 50%; display: grid; place-items: center; background: var(--ok-wash); color: var(--ok); margin-bottom: var(--sp-1); }
.result-icon svg { width: 22px; height: 22px; }
.result-card h1 { font-size: var(--fs-3xl); }
.result-card .cta-row { margin-top: var(--sp-2); }

/* 8. REGISTRATION -------------------------------------------------------- */
.reg-page { padding-block: clamp(2rem, 1rem + 3vw, 4rem) var(--sp-12); }
.reg-head { display: grid; gap: var(--sp-2); max-width: 44rem; margin-bottom: var(--sp-6); }
.reg-head h1 { font-size: var(--fs-3xl); }
.reg-layout { align-items: start; row-gap: var(--sp-4); }
.reg-main { grid-column: 1 / span 8; }
.reg-aside { grid-column: 10 / span 3; position: sticky; top: calc(var(--header-h-sm) + var(--sp-3)); display: grid; gap: var(--sp-2); }
@media (max-width: 1023px) {
  .reg-main, .reg-aside { grid-column: 1 / -1; position: static; }
  .reg-aside { order: 2; }
}

.form-card { background: var(--surface); border: var(--hairline); border-radius: var(--r-xl); box-shadow: var(--sh-2); }
.form-card > header { padding: var(--sp-3) clamp(1.25rem, .8rem + 1.5vw, 2rem) 0; }

/* Stepper */
.stepper { list-style: none; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: .75rem; }
.stepper li { display: grid; gap: .625rem; align-content: start; min-width: 0; }
.stepper .bar { height: 3px; border-radius: 3px; background: var(--line); overflow: hidden; position: relative; }
.stepper .bar::after { content: ""; position: absolute; inset: 0; background: var(--ink); transform: scaleX(0); transform-origin: left; transition: transform var(--dur-4) var(--ease-out); }
.stepper li.active .bar::after { transform: scaleX(.5); background: var(--celeste-ink); }
.stepper li.done .bar::after { transform: scaleX(1); }
.stepper .row { display: flex; align-items: center; gap: .5rem; min-width: 0; }
.stepper .n {
  width: 22px; height: 22px; border-radius: 50%; flex: none; display: grid; place-items: center;
  border: 1px solid var(--line-strong); font: 600 11px/1 var(--font-mono); color: var(--ink-3); background: var(--surface);
  transition: all var(--dur-3) var(--ease-out);
}
.stepper li.active .n { border-color: var(--ink); color: var(--ink); }
.stepper li.done .n { background: var(--ink); border-color: var(--ink); color: #fff; font-size: 0; }
.stepper li.done .n::after { content: ""; width: 10px; height: 10px; background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none' stroke='white' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m3.5 8.4 2.9 2.9 6-6.3'/%3E%3C/svg%3E") center/contain no-repeat; }
.stepper .t { font-size: var(--fs-sm); font-weight: 600; color: var(--ink-3); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.stepper li.active .t, .stepper li.done .t { color: var(--ink); }
.stepper .d { font-size: 12.5px; color: var(--ink-3); padding-left: calc(22px + .5rem); line-height: 1.4; }
.step-count { font: 500 11px/1 var(--font-mono); letter-spacing: .08em; text-transform: uppercase; color: var(--ink-3); margin-bottom: var(--sp-2); }
@media (max-width: 599px) {
  .stepper .d { display: none; }
  .stepper .t { display: none; }
}

.panel { padding: var(--sp-4) clamp(1.25rem, .8rem + 1.5vw, 2rem) var(--sp-3); }
.panel-title { font-size: var(--fs-xl); margin-bottom: var(--sp-1); }
.group { display: grid; gap: var(--sp-3); padding-block: var(--sp-4); border-top: var(--hairline); }
.group:first-of-type { border-top: 0; padding-top: var(--sp-2); }
.group-head h3 { font-size: var(--fs-base); letter-spacing: -.005em; }
.group-head p { font-size: var(--fs-sm); color: var(--ink-3); margin-top: 2px; }
.fields { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--sp-3) var(--sp-2); }
.field { display: grid; gap: .375rem; align-content: start; min-width: 0; border: 0; padding: 0; margin: 0; }
.field.full { grid-column: 1 / -1; }
@media (max-width: 599px) { .fields { grid-template-columns: 1fr; } }

.field > label, .field > legend, .label-like { font-size: var(--fs-sm); font-weight: 500; color: var(--ink); padding: 0; }
.field input[type="text"], .field input[type="email"], .field input[type="number"], .field select {
  width: 100%; height: 44px; padding: 0 .875rem; border-radius: var(--r-md);
  border: 1px solid var(--line-strong); background: var(--surface); color: var(--ink);
  font-size: var(--fs-base); box-shadow: var(--sh-1);
  transition: border-color var(--dur-2), box-shadow var(--dur-2);
}
.field input::placeholder { color: var(--ink-4); }
.field input:hover, .field select:hover { border-color: var(--ink-4); }
.field input:focus, .field select:focus { outline: none; border-color: var(--celeste-ink); box-shadow: 0 0 0 3px rgba(29, 92, 147, .16); }
.field select {
  appearance: none; -webkit-appearance: none; padding-right: 2.5rem; cursor: pointer;
  background: var(--surface) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none' stroke='%235c636d' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m4 6 4 4 4-4'/%3E%3C/svg%3E") right .875rem center/16px no-repeat;
}
.field .hint { font-size: 12.5px; color: var(--ink-3); line-height: 1.45; }
.err { font-size: 12.5px; color: var(--danger); line-height: 1.45; display: flex; gap: .375rem; align-items: flex-start; }
.err:empty { display: none; }
.err::before {
  content: ""; width: 14px; height: 14px; flex: none; margin-top: 1px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none' stroke='%23b42318' stroke-width='1.6' stroke-linecap='round'%3E%3Ccircle cx='8' cy='8' r='6.3'/%3E%3Cpath d='M8 4.8v3.6M8 11h.01'/%3E%3C/svg%3E") center/contain no-repeat;
}
.field.invalid input, .field.invalid select { border-color: var(--danger); }
.field.invalid input:focus, .field.invalid select:focus { box-shadow: 0 0 0 3px rgba(180, 35, 24, .14); }

/* Choice cards */
.choices { display: flex; flex-wrap: wrap; gap: .5rem; }
.choice { position: relative; flex: 1 1 0; min-width: 6.5rem; }
.choice input { position: absolute; opacity: 0; inset: 0; margin: 0; cursor: pointer; }
.choice span {
  display: flex; align-items: center; gap: .625rem; height: 44px; padding: 0 .875rem; border-radius: var(--r-md);
  border: 1px solid var(--line-strong); background: var(--surface); font-size: var(--fs-sm); font-weight: 500; color: var(--ink-2);
  box-shadow: var(--sh-1); transition: border-color var(--dur-2), background-color var(--dur-2), box-shadow var(--dur-2);
}
.choice span::before { content: ""; width: 16px; height: 16px; border-radius: 50%; border: 1.5px solid var(--line-strong); flex: none; transition: all var(--dur-2); background: var(--surface); }
.choice:hover span { border-color: var(--ink-4); }
.choice input:checked + span { border-color: var(--ink); background: #fbfbf9; color: var(--ink); box-shadow: 0 0 0 1px var(--ink); }
.choice input:checked + span::before { border: 5px solid var(--ink); }
.choice input:focus-visible + span { box-shadow: 0 0 0 3px rgba(29, 92, 147, .2); border-color: var(--celeste-ink); }
.field.invalid .choice span { border-color: #e4b1ab; }

/* File drop */
.drop {
  position: relative; display: flex; align-items: center; gap: 1rem; padding: .875rem; min-height: 92px;
  border: 1px dashed var(--line-strong); border-radius: var(--r-md); background: #fbfbf9; cursor: pointer;
  transition: border-color var(--dur-2), background-color var(--dur-2);
}
.drop:hover { border-color: var(--ink-4); background: var(--surface); }
.drop:focus-within { border-color: var(--celeste-ink); box-shadow: 0 0 0 3px rgba(29, 92, 147, .16); }
.drop input[type="file"] { position: absolute; inset: 0; opacity: 0; cursor: pointer; width: 100%; }
.drop .thumb {
  width: 84px; height: 60px; flex: none; border-radius: var(--r-sm); background: var(--surface) center/cover no-repeat;
  border: var(--hairline); display: grid; place-items: center; color: var(--ink-4);
}
.drop .thumb svg { width: 26px; height: 26px; fill: none; stroke: currentColor; stroke-width: 1.4; stroke-linecap: round; stroke-linejoin: round; }
.drop .thumb.has svg { display: none; }
.drop .thumb.has { border-color: transparent; box-shadow: 0 0 0 1px rgba(12, 14, 18, .1); }
.drop .meta { display: grid; gap: .25rem; min-width: 0; }
.drop .meta b { font-size: var(--fs-sm); font-weight: 500; color: var(--ink); }
.drop .meta [data-status] { font-size: 12.5px; color: var(--ink-3); line-height: 1.4; }
.drop.has-file { border-style: solid; background: var(--surface); }
.drop.has-file .meta [data-status] { color: var(--ok); }
.drop .pick {
  margin-left: auto; flex: none; display: inline-flex; align-items: center; height: 32px; padding: 0 .75rem; border-radius: 8px;
  border: 1px solid var(--line-strong); background: var(--surface); font-size: 13px; font-weight: 500; color: var(--ink); box-shadow: var(--sh-1);
}
.drop .pick .when-has { display: none; }
.drop.has-file .pick .when-empty { display: none; }
.drop.has-file .pick .when-has { display: inline; }
.drop.is-busy .meta [data-status] { color: var(--ink-3); }
.field.invalid .drop { border-color: #e4b1ab; background: var(--danger-wash); }
@media (max-width: 420px) { .drop .pick { display: none; } }

/* Contract document */
.doc {
  border: var(--hairline); border-radius: var(--r-lg); background: #fbfbf9; overflow: hidden; margin-top: var(--sp-3);
}
.doc-bar { display: flex; align-items: center; gap: .75rem; height: 46px; padding: 0 1rem; border-bottom: var(--hairline); background: var(--surface); }
.doc-bar svg { width: 16px; height: 16px; color: var(--ink-3); flex: none; }
.doc-bar .t { font-size: 13px; font-weight: 500; color: var(--ink); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.doc-bar .mono { margin-left: auto; color: var(--ink-4); flex: none; }
.doc-progress { height: 2px; background: var(--line); }
.doc-progress i { display: block; height: 100%; width: 0; background: var(--celeste-ink); transition: width var(--dur-1) linear; }
.contract-box {
  max-height: 440px; overflow-y: auto; padding: clamp(1.25rem, .8rem + 2vw, 2.5rem);
  background: var(--surface); margin: 0 auto; font-size: 14.5px; line-height: 1.72; color: var(--ink-2);
  scrollbar-width: thin; scrollbar-color: var(--line-strong) transparent;
}
.contract-box:focus-visible { box-shadow: inset 0 0 0 2px var(--celeste-ink); border-radius: 0; }
.contract-box > * { max-width: 62ch; margin-inline: auto; }
.contract-box h2 { font: 600 13px/1.4 var(--font-sans); letter-spacing: .1em; text-align: center; color: var(--ink); margin-bottom: 1.5rem; }
.contract-box h3 { font: 600 12px/1.4 var(--font-sans); letter-spacing: .06em; text-transform: uppercase; color: var(--ink); margin: 1.5rem auto .375rem; }
.contract-box p + p { margin-top: .75rem; }
.contract-box .fill { background: var(--celeste-wash); color: #12385a; padding: 0 .3em; border-radius: 3px; font-weight: 500; box-decoration-break: clone; -webkit-box-decoration-break: clone; }
.contract-box .sigline img { display: inline-block; height: 52px; width: auto; vertical-align: middle; }
.doc-foot { padding: .625rem 1rem; font-size: 12.5px; color: var(--ink-3); border-top: var(--hairline); background: var(--surface); }

/* Checkbox */
.check { display: flex; align-items: flex-start; gap: .75rem; margin-top: var(--sp-3); cursor: pointer; font-size: var(--fs-sm); line-height: 1.5; color: var(--ink-2); }
.check input {
  appearance: none; -webkit-appearance: none; width: 20px; height: 20px; flex: none; margin: 0; margin-top: 1px; border-radius: 6px;
  border: 1.5px solid var(--line-strong); background: var(--surface); display: grid; place-items: center; cursor: pointer;
  transition: background-color var(--dur-2), border-color var(--dur-2);
}
.check input:hover { border-color: var(--ink-4); }
.check input:checked { background: var(--ink) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none' stroke='white' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m3.5 8.4 2.9 2.9 6-6.3'/%3E%3C/svg%3E") center/13px no-repeat; border-color: var(--ink); }
.check input:focus-visible { box-shadow: 0 0 0 3px rgba(29, 92, 147, .25); }
.check + .err { margin-top: .5rem; padding-left: 2rem; }

/* Signature */
.sigwrap { margin-top: var(--sp-4); display: grid; gap: .625rem; }
.sig-head { display: flex; justify-content: space-between; align-items: end; gap: 1rem; flex-wrap: wrap; }
.sig-head .label-like { font-size: var(--fs-sm); font-weight: 500; color: var(--ink); }
.sig-tools { display: flex; gap: .25rem; }
.sig-frame {
  position: relative; border: 1px solid var(--line-strong); border-radius: var(--r-md); background: var(--surface); box-shadow: var(--sh-1);
  background-image: linear-gradient(var(--paper) 1px, transparent 1px); background-size: 100% 24px; background-position: 0 12px;
}
.sig-frame::before { content: "×"; position: absolute; left: 1.25rem; bottom: 34px; font: 400 18px/1 var(--font-sans); color: var(--ink-4); pointer-events: none; }
.sig-frame::after { content: ""; position: absolute; left: 2.75rem; right: 1.25rem; bottom: 38px; height: 1px; background: var(--ink-4); pointer-events: none; }
.sigpad { width: 100%; height: 200px; touch-action: none; cursor: crosshair; border-radius: var(--r-md); position: relative; z-index: 1; }
.sig-placeholder { position: absolute; inset: 0; display: grid; place-items: center; padding-bottom: 32px; font-size: 13px; color: var(--ink-4); pointer-events: none; transition: opacity var(--dur-2); }
.sigwrap.signed .sig-placeholder { opacity: 0; }
.sigwrap.invalid .sig-frame { border-color: var(--danger); }
.sigwrap .note { font-size: 12.5px; color: var(--ink-3); }

/* Summary */
.summary-groups { display: grid; gap: var(--sp-2); }
.sum-card { border: var(--hairline); border-radius: var(--r-md); overflow: hidden; }
.sum-card header { display: flex; justify-content: space-between; align-items: center; gap: 1rem; padding: .75rem 1rem; background: #fbfbf9; border-bottom: var(--hairline); }
.sum-card header h3 { font-size: var(--fs-sm); letter-spacing: 0; }
.sum-card header button { border: 0; background: transparent; color: var(--celeste-ink); font-size: 13px; font-weight: 500; padding: .25rem .375rem; border-radius: var(--r-xs); }
.sum-card header button:hover { text-decoration: underline; text-underline-offset: 3px; }
.sum-card dl { display: grid; grid-template-columns: minmax(0, 2fr) minmax(0, 3fr); }
.sum-card dt, .sum-card dd { padding: .625rem 1rem; font-size: var(--fs-sm); border-top: var(--hairline); }
.sum-card dt:first-of-type, .sum-card dt:first-of-type + dd { border-top: 0; }
.sum-card dt { color: var(--ink-3); }
.sum-card dd { color: var(--ink); font-weight: 500; overflow-wrap: anywhere; }
.sum-card .sig-preview { height: 72px; width: auto; max-width: 100%; object-fit: contain; }
@media (max-width: 599px) {
  .sum-card dl { grid-template-columns: 1fr; }
  .sum-card dd { border-top: 0; padding-top: 0; }
}

.actions { display: flex; flex-wrap: wrap; gap: .625rem; align-items: center; padding: var(--sp-3) clamp(1.25rem, .8rem + 1.5vw, 2rem); border-top: var(--hairline); margin: var(--sp-4) calc(-1 * clamp(1.25rem, .8rem + 1.5vw, 2rem)) calc(-1 * var(--sp-3)); background: #fbfbf9; border-radius: 0 0 var(--r-xl) var(--r-xl); }
.actions .spacer { flex: 1; }
@media (max-width: 599px) {
  .actions .spacer { display: none; }
  .actions .btn { flex: 1 1 auto; }
  .actions .btn-primary { order: -1; flex-basis: 100%; }
}
.status { margin-top: var(--sp-2); font-size: var(--fs-sm); color: var(--ink-2); display: flex; align-items: center; gap: .5rem; min-height: 1.5em; }
.status:empty { display: none; }
.status.error { color: var(--danger); background: var(--danger-wash); border: 1px solid #f1cfcb; padding: .75rem 1rem; border-radius: var(--r-md); }
.status.success { color: var(--ok); background: var(--ok-wash); border: 1px solid #cde6d7; padding: .75rem 1rem; border-radius: var(--r-md); }
.spinner { width: 16px; height: 16px; border-radius: 50%; border: 2px solid currentColor; border-right-color: transparent; animation: spin .7s linear infinite; flex: none; }
.btn .spinner { width: 14px; height: 14px; }
@keyframes spin { to { transform: rotate(360deg); } }

/* Aside */
.aside-card { background: var(--surface); border: var(--hairline); border-radius: var(--r-lg); padding: var(--sp-3); display: grid; gap: var(--sp-2); }
.aside-card h2 { font-size: var(--fs-base); letter-spacing: -.005em; }
.aside-card .ticks { font-size: var(--fs-sm); gap: .625rem; }
.aside-card p { font-size: 13px; line-height: 1.55; color: var(--ink-3); }

/* 9. MOTION -------------------------------------------------------------- */
.js .reveal { opacity: 0; transform: translateY(14px); transition: opacity var(--dur-4) var(--ease-out), transform var(--dur-4) var(--ease-out); transition-delay: var(--d, 0ms); }
.js .reveal.in { opacity: 1; transform: none; }
.d1 { --d: 60ms; } .d2 { --d: 120ms; } .d3 { --d: 180ms; } .d4 { --d: 240ms; } .d5 { --d: 300ms; }
.step-panel { animation: panel-in var(--dur-3) var(--ease-out); }
@keyframes panel-in { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; transition-delay: 0s !important; }
  .js .reveal { opacity: 1; transform: none; }
}

@media print {
  .site-header, .site-footer, .hero-visual, .actions { display: none !important; }
  body { background: #fff; }
}