/* TALG Design Vault — Blueprint Edition (page-local bundle) */

:root {
  --bp-dark: #192e58;
  --bp-mid: #254a90;
  --bp-line: rgba(148, 192, 255, 0.16);
  --bp-line-strong: rgba(148, 192, 255, 0.48);
  --ink: #1a2f4e;
  --paper: #ffffff;
  --cream: #f5f0e6;
  --grid-line: rgba(26, 47, 78, 0.07);
  --grid-size: 12px;
  --navy-title: #192e58;
  --grain-opacity: 0.14;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "DM Sans", system-ui, sans-serif;
  font-size: clamp(1rem, 0.95rem + 0.35vw, 1.1rem);
  line-height: 1.58;
  color: var(--ink);
  background-color: var(--cream);
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: var(--grid-size) var(--grid-size);
  background-attachment: fixed;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0.75rem;
  z-index: 999;
  padding: 0.65rem 1.25rem;
  background: var(--paper);
  color: var(--navy-title);
  font-weight: 600;
  border-radius: 999px;
  border: 3px solid var(--ink);
}

.skip-link:focus {
  left: 0.75rem;
  outline: 3px solid #5ab0e8;
  outline-offset: 3px;
}

/* ── Hero ── */

.hero {
  position: relative;
  display: grid;
  overflow: hidden;
  border-bottom: 5px solid var(--ink);
  background: var(--bp-dark);
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  opacity: var(--grain-opacity);
  mix-blend-mode: screen;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='g'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.88' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23g)' opacity='0.45'/%3E%3C/svg%3E");
}

.hero__scene {
  grid-area: 1 / 1;
  position: relative;
  z-index: 0;
  display: block;
  width: 100%;
  min-height: clamp(260px, 44vw, 540px);
  max-height: 72vh;
}

.hero__architect {
  grid-area: 1 / 1;
  align-self: end;
  justify-self: end;
  z-index: 2;
  display: block;
  width: clamp(190px, 30vw, 340px);
  height: auto;
  pointer-events: none;
}

/* ── Intro section ── */

.vault-intro {
  border-bottom: 3px solid rgba(26, 47, 78, 0.1);
  padding: clamp(2.25rem, 5vw, 3.75rem) clamp(1.25rem, 5vw, 2.5rem);
}

.vault-intro__inner {
  width: min(720px, 100%);
  margin-inline: auto;
}

.vault-intro__inner h2 {
  margin: 0 0 0.65rem;
  font-family: "Syne", sans-serif;
  font-weight: 800;
  font-size: clamp(1.65rem, 4.2vw, 2.2rem);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--navy-title);
}

.vault-intro__inner p {
  margin: 0;
  color: rgba(26, 47, 78, 0.78);
  max-width: 58ch;
}

/* ── Vault grid ── */

.vault-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(252px, 100%), 1fr));
  gap: clamp(1.1rem, 2.6vw, 1.8rem);
  padding: clamp(2rem, 5vw, 3.25rem) clamp(1.25rem, 4vw, 2rem)
    clamp(2.5rem, 5.5vw, 4rem);
  max-width: 1220px;
  margin-inline: auto;
}

/* Card shell */
.vault-card {
  border-radius: 14px;
  overflow: hidden;
  border: 3.5px solid var(--ink);
  box-shadow:
    8px 10px 0 rgba(26, 47, 78, 0.16),
    0 0 0 1px rgba(148, 192, 255, 0.18);
  background: var(--paper);
  transition:
    transform 0.18s ease,
    box-shadow 0.18s ease;
}

@media (prefers-reduced-motion: reduce) {
  .vault-card {
    transition: none;
  }
}

.vault-card:hover,
.vault-card:focus-within {
  transform: translateY(-6px) translateX(-2px);
  box-shadow:
    12px 16px 0 rgba(26, 47, 78, 0.2),
    0 0 0 1px rgba(148, 192, 255, 0.28);
}

/* Card hit target */
.vault-card__hit {
  display: flex;
  flex-direction: column;
  min-height: 350px;
  height: 100%;
  text-decoration: none;
  color: inherit;
}

.vault-card__hit:focus-visible {
  outline: 4px solid #5ab0e8;
  outline-offset: 4px;
}

/* Card top (blueprint background + block glyph) */
.vault-card__chrome {
  flex: 2.4;
  display: flex;
  position: relative;
  padding: clamp(0.5rem, 1.5vw, 0.85rem);
  min-height: clamp(190px, 30vw, 250px);
  isolation: isolate;
  /* Blueprint grid background */
  background-color: var(--bp-dark);
  background-image:
    linear-gradient(rgba(148, 192, 255, 0.14) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148, 192, 255, 0.14) 1px, transparent 1px);
  background-size: 24px 24px;
}

/* Subtle grain on card chrome */
.vault-card__chrome::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.1;
  mix-blend-mode: screen;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='p'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.88' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23p)' opacity='0.5'/%3E%3C/svg%3E");
}

/* Layered chrome: grid → figure, corner cube */
.vault-card__chrome--layered {
  padding: clamp(0.5rem, 1.5vw, 0.85rem);
}

.vault-card__figure {
  z-index: 1;
  flex: 1;
  width: 100%;
  min-height: 0;
  object-fit: contain;
  object-position: center bottom;
  opacity: 0.68;
  pointer-events: none;
}

/* Building block SVG — playing-card corner symbol */
.vault-card__glyph {
  position: absolute;
  top: clamp(0.4rem, 1.6vw, 0.65rem);
  right: clamp(0.4rem, 1.6vw, 0.65rem);
  z-index: 2;
  width: clamp(50px, 15vw, 62px);
  height: clamp(50px, 15vw, 62px);
  display: block;
  filter:
    drop-shadow(0 2px 0 rgba(26, 47, 78, 0.14))
    drop-shadow(0 4px 8px rgba(8, 16, 40, 0.24));
}

/* Card bottom (white editorial slab) */
.vault-card__deck {
  flex: 1;
  container-type: inline-size;
  container-name: vault-deck;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(1.1rem, 2.8vw, 1.35rem) clamp(1.5rem, 6vw, 2rem);
  background: var(--paper);
  border-top: 3.5px solid var(--ink);
}

.vault-card__title {
  margin: 0;
  width: 100%;
  max-width: 100%;
  min-width: 0;
  text-align: center;
}

.vault-card__title-big {
  display: block;
  font-family: "Syne", sans-serif;
  font-weight: 800;
  font-size: clamp(1.05rem, 9.25cqi, 1.52rem);
  letter-spacing: 0.015em;
  line-height: 1.15;
  text-transform: uppercase;
  color: var(--navy-title);
  overflow-wrap: anywhere;
  padding-inline: 0.1em;
}

.vault-card__title-small {
  display: block;
  margin-top: 0.38rem;
  font-family: "DM Sans", sans-serif;
  font-size: clamp(0.66rem, 3.5cqi, 0.76rem);
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(26, 47, 78, 0.52);
  overflow-wrap: anywhere;
  padding-inline: 0.15em;
}

/* ── Footer ── */

.site-foot {
  position: relative;
  background-color: var(--bp-dark);
  background-image:
    linear-gradient(rgba(148, 192, 255, 0.13) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148, 192, 255, 0.13) 1px, transparent 1px);
  background-size: 32px 32px;
  border-top: 4px solid rgba(148, 192, 255, 0.38);
}

.site-foot__rule {
  display: block;
  width: 100%;
  height: 16px;
}

.site-foot__content {
  padding: clamp(2rem, 6vw, 3.5rem) clamp(1.25rem, 4vw, 2rem);
  padding-right: clamp(9rem, 17vw, 12.5rem);
  text-align: center;
}

.site-foot__compass {
  position: absolute;
  right: clamp(4rem, 10vw, 7rem);
  top: 50%;
  transform-origin: center center;
  transform: translateY(-50%) scaleX(-1) rotate(-28deg);
  width: clamp(104px, 14vw, 144px);
  height: clamp(104px, 14vw, 144px);
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
  opacity: 0.88;
  pointer-events: none;
}

.site-foot__text {
  margin: 0;
  font-family: "Syne", sans-serif;
  font-weight: 700;
  font-size: clamp(0.62rem, 1.6vw, 0.74rem);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: rgba(210, 232, 255, 0.68);
}

.site-foot__back {
  margin: 0;
  padding: 0 clamp(1.25rem, 4vw, 2rem) clamp(1.25rem, 3vw, 1.75rem);
  text-align: center;
}

.site-foot__back-link {
  font-family: "Syne", sans-serif;
  font-weight: 700;
  font-size: clamp(0.58rem, 1.4vw, 0.68rem);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  text-decoration: none;
  color: rgba(210, 232, 255, 0.52);
  transition: color 0.15s ease;
}

.site-foot__back-link:hover {
  color: rgba(210, 232, 255, 0.88);
}