/* =====================================================================
   LM Visuals — Layout: nav, hero, about, footer skeleton
   ===================================================================== */

/* ---------- Navigation ---------- */
.nav {
  position: fixed;
  inset-block-start: 0;
  inset-inline: 0;
  z-index: var(--z-nav);
  padding-top: env(safe-area-inset-top, 0);
  transition: background-color var(--dur-base) var(--ease-out),
              backdrop-filter var(--dur-base) var(--ease-out),
              border-color var(--dur-base) var(--ease-out);
  border-bottom: 1px solid transparent;
}
.nav.is-scrolled {
  background: oklch(13% 0.012 58 / 0.72);
  backdrop-filter: blur(16px) saturate(1.2);
  -webkit-backdrop-filter: blur(16px) saturate(1.2);
  border-bottom-color: var(--line-soft);
}
.nav__inner {
  max-width: var(--container);
  margin-inline: auto;
  padding: clamp(0.85rem, 0.6rem + 0.8vw, 1.25rem) var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}
.nav__brand {
  font-family: var(--font-display);
  font-size: 1.3rem;
  letter-spacing: 0.02em;
  display: inline-flex;
  align-items: baseline;
  gap: 0.1em;
  white-space: nowrap;
}
.nav__brand b { font-weight: 600; }
.nav__brand .dot { color: var(--accent); }

.nav__links {
  display: flex;
  align-items: center;
  gap: clamp(1.1rem, 0.5rem + 1.4vw, 2.4rem);
}
.nav-link {
  position: relative;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-muted);
  padding-block: 0.4rem;
  transition: color var(--dur-fast) var(--ease-out);
}
.nav-link::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 100%; height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur-base) var(--ease-out);
}
.nav-link:hover,
.nav-link.is-active { color: var(--text); }
.nav-link:hover::after,
.nav-link.is-active::after { transform: scaleX(1); }

.nav__actions { display: flex; align-items: center; gap: var(--space-sm); }

.nav__toggle {
  display: none;
  width: 46px; height: 46px;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  position: relative;
}
.nav__toggle span,
.nav__toggle span::before,
.nav__toggle span::after {
  content: "";
  position: absolute;
  left: 50%; top: 50%;
  width: 18px; height: 1.5px;
  background: var(--text);
  transform: translate(-50%, -50%);
  transition: transform var(--dur-base) var(--ease-out), opacity var(--dur-fast);
}
.nav__toggle span::before { transform: translate(-50%, -7px); }
.nav__toggle span::after { transform: translate(-50%, 5px); }
.nav__toggle[aria-expanded="true"] span { background: transparent; }
.nav__toggle[aria-expanded="true"] span::before { transform: translate(-50%, -50%) rotate(45deg); }
.nav__toggle[aria-expanded="true"] span::after { transform: translate(-50%, -50%) rotate(-45deg); }

/* scroll progress */
.nav__progress {
  position: absolute;
  left: 0; bottom: -1px;
  height: 2px;
  width: 100%;
  background: transparent;
  overflow: hidden;
}
.nav__progress i {
  display: block; height: 100%;
  width: 100%;
  background: linear-gradient(90deg, var(--accent-strong), var(--accent));
  transform: scaleX(0);
  transform-origin: left;
}

/* mobile menu overlay */
.nav__menu {
  position: fixed;
  inset: 0;
  z-index: calc(var(--z-nav) - 1);
  background: oklch(11% 0.01 55 / 0.97);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: var(--space-md);
  padding: var(--gutter);
  padding-top: calc(env(safe-area-inset-top, 0) + 5rem);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: opacity var(--dur-base) var(--ease-out),
              transform var(--dur-base) var(--ease-out),
              visibility var(--dur-base);
}
.nav__menu.is-open { opacity: 1; visibility: visible; transform: none; }
.nav__menu a.nav-link {
  font-family: var(--font-display);
  font-size: clamp(2rem, 1.2rem + 5vw, 3.2rem);
  color: var(--text);
}
.nav__menu a.nav-link::after { height: 2px; }
.nav__menu .btn { align-self: flex-start; margin-top: var(--space-sm); }

@media (max-width: 860px) {
  .nav__links { display: none; }
  .nav__actions .btn--nav { display: none; }
  .nav__toggle { display: inline-flex; }
}
@media (min-width: 861px) {
  .nav__menu { display: none; }
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  padding-bottom: clamp(3rem, 2rem + 5vw, 7rem);
  padding-top: calc(env(safe-area-inset-top, 0) + 6rem);
}
.hero__media { position: absolute; inset: 0; z-index: 0; }
.hero__slide {
  position: absolute;
  inset: -8% 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transition: opacity 1.6s var(--ease-in-out);
}
/* promote only the visible slide to its own layer (not all three) */
.hero__slide.is-active { opacity: 1; will-change: opacity, transform; }
/* gradient stand-ins behind any missing hero images */
.hero__slide--1 { background-image: linear-gradient(135deg, oklch(28% 0.04 60), oklch(14% 0.02 50)); }
.hero__slide--2 { background-image: linear-gradient(135deg, oklch(30% 0.06 40), oklch(15% 0.03 70)); }
.hero__slide--3 { background-image: linear-gradient(135deg, oklch(26% 0.05 90), oklch(13% 0.02 55)); }
.hero__scrim {
  position: absolute; inset: 0; z-index: 1;
  background:
    linear-gradient(to top, oklch(11% 0.01 55) 2%, transparent 42%),
    linear-gradient(to right, oklch(11% 0.01 55 / 0.7), transparent 60%);
}
.hero__content { position: relative; z-index: var(--z-content); width: 100%; }
.hero__title {
  font-size: var(--fs-hero);
  line-height: var(--lh-tight);
  letter-spacing: -0.035em;
  margin-top: var(--space-md);
  max-width: 14ch;
}
.hero__title .line { display: block; overflow: hidden; }
.hero__title .line__inner { display: block; }
.hero__title em {
  font-style: italic;
  color: var(--accent);
}
.hero__subhead {
  margin-top: var(--space-lg);
  max-width: 52ch;
  font-size: var(--fs-lead);
  color: var(--text-muted);
}
.hero__cta {
  margin-top: var(--space-lg);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}
.hero__scroll {
  position: absolute;
  right: var(--gutter);
  bottom: clamp(2rem, 1rem + 3vw, 4rem);
  z-index: var(--z-content);
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.72rem;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--text-muted);
  writing-mode: vertical-rl;
}
.hero__scroll i {
  width: 1px; height: 46px;
  background: linear-gradient(var(--accent), transparent);
}
@media (max-width: 600px) { .hero__scroll { display: none; } }

/* ---------- About ---------- */
.about__grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(2rem, 1rem + 5vw, 5rem);
  align-items: center;
}
.about__media {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4 / 5;
  /* photo layered over a gradient — if the file is missing, gradient shows */
  background-image: var(--photo, none), linear-gradient(150deg, var(--surface-raised), var(--bg-deep));
  background-size: cover;
  background-position: center;
  box-shadow: var(--shadow-lg);
}
.about__media img { width: 100%; height: 100%; object-fit: cover; }
.about__media::after {
  content: "";
  position: absolute; inset: 0;
  box-shadow: inset 0 0 0 1px oklch(100% 0 0 / 0.06);
  border-radius: inherit;
}
.about__media-tag {
  position: absolute;
  left: var(--space-md); bottom: var(--space-md);
  font-size: 0.72rem;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--text);
  background: oklch(11% 0.01 55 / 0.6);
  border: 1px solid var(--line-soft);
  backdrop-filter: blur(6px);
  padding: 0.5rem 0.9rem;
  border-radius: var(--radius-pill);
}
.about__paras { margin-top: var(--space-md); display: grid; gap: var(--space-sm); color: var(--text-muted); }
.about__quote {
  margin-top: var(--space-lg);
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 1rem + 1.4vw, 2rem);
  font-style: italic;
  line-height: 1.3;
  color: var(--text);
  padding-left: var(--space-md);
  border-left: 2px solid var(--accent);
}
.about__signature {
  margin-top: var(--space-md);
  font-family: var(--font-display);
  font-style: italic;
  color: var(--text-muted);
}
.about__stats {
  margin-top: var(--space-xl);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
  border-top: 1px solid var(--line-soft);
  padding-top: var(--space-lg);
}
.stat__value {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 1.2rem + 2.4vw, 3rem);
  color: var(--accent);
  line-height: 1;
}
.stat__label {
  margin-top: 0.5rem;
  font-size: 0.82rem;
  color: var(--text-muted);
  letter-spacing: 0.02em;
}
@media (max-width: 820px) {
  .about__grid { grid-template-columns: 1fr; }
  .about__stats { grid-template-columns: repeat(2, 1fr); }
}

/* ---------- Footer ---------- */
.footer {
  position: relative;
  background: var(--bg-deep);
  border-top: 1px solid var(--line-soft);
  padding-block: var(--space-2xl) var(--space-lg);
  padding-bottom: calc(var(--space-lg) + env(safe-area-inset-bottom, 0));
}
.footer__grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: var(--space-xl);
}
.footer__brand .nav__brand { font-size: 1.8rem; }
.footer__blurb { margin-top: var(--space-md); color: var(--text-muted); max-width: 42ch; }
.footer__col h5 {
  font-family: var(--font-body);
  font-size: 0.78rem;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: var(--space-md);
}
.footer__col a {
  display: block;
  padding-block: 0.35rem;
  color: var(--text);
  transition: color var(--dur-fast) var(--ease-out);
}
.footer__col a:hover { color: var(--accent); }
.footer__bottom {
  margin-top: var(--space-2xl);
  padding-top: var(--space-md);
  border-top: 1px solid var(--line-soft);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-sm);
  font-size: 0.85rem;
  color: var(--text-muted);
}
@media (max-width: 760px) {
  .footer__grid { grid-template-columns: 1fr; gap: var(--space-lg); }
}