/* =============================================================================
 *  layout.css  —  structure, grids, section rhythm, OS chrome positioning
 * ========================================================================== */

/* ---- background shader canvas --------------------------------------- */
#bg-shader {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: var(--z-shader);
  pointer-events: none;
  display: block;
}

/* ---- decorative Material-You blobs (organic light objects) ---------- */
.blob-field {
  position: fixed;
  inset: 0;
  z-index: var(--z-blobs);
  pointer-events: none;
  overflow: hidden;
}
.blob {
  position: absolute;
  width: clamp(280px, 34vw, 560px);
  aspect-ratio: 1;
  border-radius: var(--r-blob);
  filter: blur(52px);
  opacity: 0.38;
  mix-blend-mode: screen;
  will-change: transform;
}
.blob--1 { top: -8%; left: -6%; background: radial-gradient(circle at 40% 40%, var(--accent-primary), transparent 70%); }
.blob--2 { top: 32%; right: -10%; background: radial-gradient(circle at 50% 50%, var(--accent-secondary), transparent 70%); }
.blob--3 { bottom: -12%; left: 26%; background: radial-gradient(circle at 50% 50%, var(--accent-tertiary), transparent 72%); opacity: 0.3; }

/* ---- top status / menu bar — full-bleed, seamless, scroll-chasing ---- */
.topbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--topbar-h);
  z-index: var(--z-topbar);
  pointer-events: none;           /* inner re-enables; faded glass never blocks */
  transition: height var(--dur-base) var(--ease-out),
              transform var(--dur-slow) var(--ease-spring);
}
.topbar__inner {
  pointer-events: auto;
  height: var(--topbar-h);
  max-width: var(--container-wide);
  margin-inline: auto;
  padding-inline: var(--gutter);
  display: flex;
  align-items: center;
  gap: var(--sp-4);
  transition: height var(--dur-base) var(--ease-out);
}
.topbar__brand { display: flex; align-items: center; gap: var(--sp-3); font-weight: 650; color: var(--text-hi); }
.topbar__menu { display: flex; gap: var(--sp-5); margin-left: var(--sp-5); }
.topbar__menu a { color: var(--text-mid); font-size: var(--fs-sm); }
.topbar__status { margin-left: auto; display: flex; align-items: center; gap: var(--sp-4); }

/* ---- main shell ----------------------------------------------------- */
main { position: relative; z-index: var(--z-content); }

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.container--wide { max-width: var(--container-wide); }

.section {
  position: relative;
  padding-block: clamp(56px, 9vw, 130px);
  scroll-margin-top: calc(var(--topbar-h) + var(--topbar-gap) + 24px);
}
.section:first-of-type { padding-top: calc(var(--topbar-h) + var(--topbar-gap) + clamp(44px, 7vw, 96px)); }

/* ---- section header (index + title + measurement) ------------------- */
.section-head {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: end;
  gap: var(--sp-4);
  margin-bottom: clamp(28px, 4vw, 56px);
}
.section-head__index { font-family: var(--font-mono); font-size: var(--fs-md); color: var(--text-faint); letter-spacing: 0.1em; }
.section-head__title { font-size: var(--fs-xl); }
.section-head__measure { justify-self: end; text-align: right; }

/* =====================================================================
 *  HERO
 * =================================================================== */
.hero {
  display: grid;
  grid-template-columns: 1.25fr 0.85fr;
  gap: clamp(24px, 4vw, 64px);
  align-items: center;
}
.hero__left { display: flex; flex-direction: column; gap: var(--sp-5); }
.hero__eyebrow { display: flex; align-items: center; gap: var(--sp-3); flex-wrap: wrap; }
.hero__title { font-size: var(--fs-hero); font-weight: 720; line-height: 0.92; }
.hero__subtitle { font-size: var(--fs-md); color: var(--text-mid); font-weight: 520; }
.hero__descriptor { font-family: var(--font-mono); font-size: var(--fs-xs); color: var(--text-mono); }
.hero__text { font-size: var(--fs-md); max-width: 56ch; color: var(--text-mid); }
.hero__actions { display: flex; flex-wrap: wrap; gap: var(--sp-3); margin-top: var(--sp-2); }
.hero__right { display: flex; justify-content: center; }

/* =====================================================================
 *  ABOUT / system profile
 * =================================================================== */
.about {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: clamp(20px, 3vw, 40px);
  align-items: stretch;
}
.about__lead { padding: clamp(24px, 3vw, 40px); }
.about__lead p { font-size: var(--fs-md); color: var(--text-mid); }
.about__panel { padding: clamp(20px, 2.4vw, 32px); display: flex; flex-direction: column; gap: var(--sp-4); }

/* =====================================================================
 *  SKILLS / capability matrix
 * =================================================================== */
.matrix {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: clamp(14px, 1.6vw, 22px);
}

/* =====================================================================
 *  PROJECTS / workstations (big, stacked)
 * =================================================================== */
.projects { display: flex; flex-direction: column; gap: clamp(20px, 3vw, 40px); }

/* =====================================================================
 *  Trio panels (design / hardware / ai)
 * =================================================================== */
.panel-duo {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(16px, 2vw, 28px);
}
.panel-solo { display: grid; }

/* =====================================================================
 *  CONTACT
 * =================================================================== */
.contact {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: clamp(18px, 2.4vw, 36px);
  align-items: stretch;
}

/* ---- footer --------------------------------------------------------- */
.footer {
  position: relative;
  z-index: var(--z-content);
  padding: clamp(32px, 5vw, 60px) 0 calc(var(--dock-h) + 40px);
  text-align: center;
  color: var(--text-low);
}

/* =====================================================================
 *  DOCK  —  floating command center (desktop)
 * =================================================================== */
.dock-wrap {
  position: fixed;
  left: 50%;
  bottom: clamp(14px, 2.2vw, 26px);
  transform: translateX(-50%);
  z-index: var(--z-dock);
  display: flex;
  justify-content: center;
  width: max-content;
  max-width: calc(100vw - 28px);
}
.dock {
  display: flex;
  align-items: center;
  gap: clamp(8px, 1vw, 14px);
  padding: 13px 18px;
  overflow: visible;        /* let hover-lifted icons & tooltips escape the pill */
}

/* ---- toast (copy-email feedback) ------------------------------------ */
.toast {
  position: fixed;
  left: 50%;
  bottom: calc(var(--dock-h) + 34px);
  transform: translate(-50%, 16px);
  z-index: var(--z-toast);
  padding: 12px 20px;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--dur-base) var(--ease-out), transform var(--dur-base) var(--ease-out);
}
.toast.is-visible { opacity: 1; transform: translate(-50%, 0); }