/* ==========================================================================
   Bruno Paschmann — brunopaschmann.com
   Dark editorial · Cinzel / Cormorant Garamond / Inter
   ========================================================================== */

/* ---------- Tokens ---------- */
:root {
  /* type */
  --font-mark: "Cinzel", "Times New Roman", serif;
  --font-display: "Cormorant Garamond", Georgia, serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  /* scale */
  --text-xs: 0.8125rem;
  --text-sm: 0.9375rem;
  --text-md: 1.0625rem;
  --text-lg: clamp(1.125rem, 1rem + 0.5vw, 1.3125rem);
  --title: clamp(2rem, 1.4rem + 2.6vw, 3.4rem);
  --hero-name: clamp(2.6rem, 1.6rem + 5.4vw, 6rem);

  /* rhythm */
  --space-section: clamp(6rem, 4rem + 8vw, 11rem);
  --container: 1200px;
  --gutter: clamp(1.25rem, 4vw, 3rem);
  --radius: 18px;
  --radius-sm: 12px;

  /* motion */
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --dur: 0.7s;

  --header-h: 76px;
}

/* dark — native identity */
:root[data-theme="dark"] {
  --bg: #0e0e10;
  --bg-elev: #151518;
  --surface: #1a1a1e;
  --border: #29292e;
  --border-strong: #3a3a40;
  --text: #f4f4f5;
  --text-2: #b7b7bd;
  --text-3: #86868c;
  --accent: #6f93de;         /* navy blue, brightened for contrast on dark */
  --accent-strong: #89a8ea;  /* hover — lighter */
  --accent-deep: #2a4a8f;    /* true navy for fills that carry white text */
  --accent-ink: #ffffff;
  --veil-top: rgba(10, 10, 13, 0.5);
  --veil-mid: rgba(10, 10, 13, 0.22);
  --veil-bot: #0e0e10;
  --header-bg: rgba(14, 14, 16, 0.72);
  --node-bg: #f7f6f3;
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.55);
  --shadow-sm: 0 10px 32px rgba(0, 0, 0, 0.4);
  color-scheme: dark;
}

/* light — warm gallery */
:root[data-theme="light"] {
  --bg: #faf9f7;
  --bg-elev: #f3f1ed;
  --surface: #ffffff;
  --border: #e6e2da;
  --border-strong: #d4cfc4;
  --text: #1b1a19;
  --text-2: #52504c;
  --text-3: #7c7973;
  --accent: #24417e;         /* deep navy — high contrast on light */
  --accent-strong: #172d5c;  /* hover — darker */
  --accent-deep: #24417e;
  --accent-ink: #ffffff;
  --veil-top: rgba(12, 11, 10, 0.55);
  --veil-mid: rgba(12, 11, 10, 0.34);
  --veil-bot: #faf9f7;
  --header-bg: rgba(250, 249, 247, 0.78);
  --node-bg: #ffffff;
  --shadow: 0 24px 70px rgba(35, 30, 20, 0.16);
  --shadow-sm: 0 10px 32px rgba(35, 30, 20, 0.12);
  color-scheme: light;
}

/* ---------- Base ---------- */
*,
*::before,
*::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  scroll-padding-top: var(--header-h); /* anchor jumps clear the fixed header */
  overflow-x: hidden; /* on html, not just body — body-only breaks anchor scrolling in Chrome */
}

a, button { -webkit-tap-highlight-color: transparent; touch-action: manipulation; }

body {
  font-family: var(--font-body);
  font-size: var(--text-md);
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
  transition: background-color 0.45s ease, color 0.45s ease;
  overflow-x: hidden;
}

img { display: block; max-width: 100%; height: auto; }

a { color: inherit; text-decoration: none; }

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  cursor: pointer;
}

ul, ol { list-style: none; }

::selection { background: var(--accent); color: var(--accent-ink); }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

.skip-link {
  position: fixed;
  top: -100px;
  left: 16px;
  z-index: 200;
  padding: 10px 18px;
  background: var(--accent);
  color: var(--accent-ink);
  border-radius: 8px;
  font-weight: 600;
  transition: top 0.2s ease;
}
.skip-link:focus { top: 12px; }

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

/* ---------- Reveal animations ---------- */
.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.reveal.in { opacity: 1; transform: none; }
.d-1 { transition-delay: 0.08s; }
.d-2 { transition-delay: 0.16s; }
.d-3 { transition-delay: 0.24s; }
.d-4 { transition-delay: 0.32s; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  transition: background-color 0.35s ease, border-color 0.35s ease, backdrop-filter 0.35s ease;
  border-bottom: 1px solid transparent;
}
.site-header.scrolled {
  background: var(--header-bg);
  -webkit-backdrop-filter: blur(18px) saturate(1.4);
  backdrop-filter: blur(18px) saturate(1.4);
  border-bottom-color: var(--border);
}

.header-inner {
  max-width: 1320px;
  margin-inline: auto;
  padding-inline: var(--gutter);
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.wordmark {
  font-family: var(--font-mark);
  font-weight: 600;
  font-size: 1.05rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  white-space: nowrap;
  color: var(--text);
}
.hero ~ * .wordmark { color: var(--text); }

/* over the hero the header text sits on the image — force light text until scrolled */
.site-header:not(.scrolled) { color: #f4f4f5; }
.site-header:not(.scrolled) .wordmark,
.site-header:not(.scrolled) .nav-link,
.site-header:not(.scrolled) .theme-toggle { color: #f4f4f5; }
.site-header.scrolled .wordmark,
.site-header.scrolled .nav-link { color: var(--text); }

/* while the mobile menu is open the header sits on the theme surface */
.site-header.menu-open,
.site-header.menu-open .wordmark,
.site-header.menu-open .theme-toggle { color: var(--text); }
.site-header.menu-open { background: transparent; border-bottom-color: transparent; -webkit-backdrop-filter: none; backdrop-filter: none; }

.nav-list {
  display: flex;
  gap: clamp(18px, 2.4vw, 36px);
}

.nav-link {
  position: relative;
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.04em;
  padding: 10px 2px;
  color: var(--text);
  opacity: 0.82;
  transition: opacity 0.25s ease, color 0.25s ease;
}
.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: 2px;
  height: 1.5px;
  background: var(--accent);
  transition: right 0.35s var(--ease);
}
.nav-link:hover { opacity: 1; }
.nav-link:hover::after { right: 0; }
.nav-link.active {
  color: var(--accent);
  opacity: 1;
}
.nav-link.active::after { right: 0; }

.header-actions { display: flex; align-items: center; gap: 8px; }

.theme-toggle {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  transition: background-color 0.25s ease;
}
.theme-toggle:hover { background: color-mix(in srgb, currentColor 10%, transparent); }
.theme-toggle svg { width: 20px; height: 20px; }
:root[data-theme="dark"] .icon-moon { display: none; }
:root[data-theme="light"] .icon-sun { display: none; }

/* hamburger */
.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  position: relative;
  z-index: 130;
}
.menu-toggle span {
  position: absolute;
  left: 11px;
  right: 11px;
  height: 1.8px;
  background: currentColor;
  transition: transform 0.35s var(--ease), top 0.35s var(--ease);
}
.menu-toggle span:nth-child(1) { top: 18px; }
.menu-toggle span:nth-child(2) { top: 26px; }
.menu-toggle.open span:nth-child(1) { top: 22px; transform: rotate(45deg); }
.menu-toggle.open span:nth-child(2) { top: 22px; transform: rotate(-45deg); }

/* mobile menu */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 90; /* below the header so wordmark + close button stay visible */
  background: var(--bg);
  display: grid;
  place-items: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.4s ease, visibility 0.4s ease;
}
.mobile-menu.open { opacity: 1; visibility: visible; }
.mobile-menu ul { text-align: center; display: grid; gap: clamp(8px, 3vh, 22px); }
.mobile-link {
  font-family: var(--font-display);
  font-size: clamp(2rem, 8vw, 3rem);
  font-weight: 500;
  color: var(--text);
  opacity: 0;
  transform: translateY(18px);
  transition: color 0.25s ease;
  display: inline-block;
}
.mobile-menu.open .mobile-link {
  animation: menuIn 0.55s var(--ease) forwards;
  animation-delay: calc(var(--i) * 70ms + 0.1s);
}
.mobile-link:hover { color: var(--accent); }
@keyframes menuIn { to { opacity: 1; transform: none; } }

@media (max-width: 920px) {
  .site-nav { display: none; }
  .menu-toggle { display: block; }
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100dvh;
  display: grid;
  place-items: center;
  isolation: isolate;
  overflow: hidden;
}

.hero-media { position: absolute; inset: 0; z-index: -1; }
.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  animation: heroZoom 2.4s var(--ease) both;
}
@keyframes heroZoom {
  from { transform: scale(1.07); }
  to { transform: scale(1); }
}
@media (prefers-reduced-motion: reduce) {
  .hero-media img { animation: none; }
}

.hero-veil {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    var(--veil-top) 0%,
    var(--veil-mid) 42%,
    color-mix(in srgb, var(--veil-bot) 55%, transparent) 78%,
    var(--veil-bot) 100%
  );
}

.hero-content {
  text-align: center;
  padding: calc(var(--header-h) + 3vh) var(--gutter) 10vh;
  max-width: 900px;
  color: #f4f4f5;
  text-shadow: 0 1px 30px rgba(0, 0, 0, 0.45);
}

.hero-kicker {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.34em;
  text-transform: uppercase;
  color: #d3ddf1;
  margin-bottom: clamp(14px, 2.4vh, 26px);
}

.hero-name {
  font-family: var(--font-mark);
  font-weight: 500;
  font-size: var(--hero-name);
  line-height: 1.06;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-wrap: balance;
}

.hero-sub {
  font-size: var(--text-lg);
  line-height: 1.6;
  color: #d9d9de;
  max-width: 620px;
  margin: clamp(18px, 3vh, 30px) auto 0;
  text-wrap: balance;
}

.hero-cta {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: clamp(26px, 4.4vh, 44px);
}

:root[data-theme="light"] .hero-sub { color: #f7f7f8; }
:root[data-theme="light"] .hero-kicker { color: #dbe4f4; }

.scroll-cue {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  color: #d9d9de;
  opacity: 0.8;
  transition: opacity 0.25s ease, color 0.25s ease;
}
.scroll-cue:hover { opacity: 1; color: #fff; }
.scroll-cue svg { width: 22px; height: 22px; animation: cueFloat 2.4s ease-in-out infinite; }
@keyframes cueFloat {
  0%, 100% { transform: translateY(-3px); opacity: 0.7; }
  50% { transform: translateY(3px); opacity: 1; }
}
@media (prefers-reduced-motion: reduce) { .scroll-cue svg { animation: none; } }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 50px;
  padding: 13px 30px;
  border-radius: 999px;
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.03em;
  cursor: pointer;
  transition: transform 0.25s var(--ease), background-color 0.25s ease,
              border-color 0.25s ease, color 0.25s ease, box-shadow 0.25s ease;
}
.btn:active { transform: scale(0.97); }
.btn svg { width: 17px; height: 17px; }

.btn-primary {
  background: var(--accent-deep);
  color: #ffffff;
  border: 1px solid transparent;
}
.btn-primary:hover {
  background: color-mix(in srgb, var(--accent-deep) 82%, #ffffff);
  transform: translateY(-2px);
  box-shadow: 0 12px 30px color-mix(in srgb, var(--accent-deep) 45%, transparent);
}

.btn-ghost {
  border: 1px solid color-mix(in srgb, currentColor 35%, transparent);
  color: inherit;
  background: transparent;
}
.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}

.btn-hint { font-weight: 400; opacity: 0.55; font-size: 0.8em; }

/* ---------- Sections (shared) ---------- */
.section { padding-block: var(--space-section); }

.kicker {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 18px;
}

.section-title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: var(--title);
  line-height: 1.12;
  letter-spacing: 0.005em;
  color: var(--text);
  text-wrap: balance;
  margin-bottom: clamp(18px, 3vh, 28px);
}

.section-head { max-width: 720px; margin-bottom: clamp(48px, 7vh, 80px); }
.section-lede { color: var(--text-2); font-size: var(--text-lg); }

.section p { color: var(--text-2); }
.section p strong { color: var(--text); font-weight: 600; }
/* accent eyebrow labels + dates must win over the generic .section p color */
.section .kicker,
.section .tl-date { color: var(--accent); }

/* ---------- About ---------- */
.about { padding-top: clamp(4rem, 3rem + 4vw, 7rem); }

.about-grid {
  display: grid;
  grid-template-columns: minmax(280px, 5fr) 7fr;
  gap: clamp(36px, 6vw, 88px);
  align-items: start;
}

.about-portrait {
  position: relative;
  max-width: 430px;
}
.about-portrait img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  object-position: top;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.about-portrait::before {
  content: "";
  position: absolute;
  inset: 18px -18px -18px 18px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  z-index: -1;
}
.about-portrait figcaption {
  margin-top: 26px;
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--text-3);
}

.about-copy p + p { margin-top: 1.1em; }

.pillars {
  margin-top: clamp(30px, 4vh, 44px);
  display: grid;
  gap: 14px;
}
.pillars li {
  display: flex;
  gap: 18px;
  align-items: flex-start;
  padding: 18px 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  transition: border-color 0.3s ease, transform 0.3s var(--ease);
}
.pillars li:hover { border-color: var(--border-strong); transform: translateX(4px); }
.pillars svg {
  width: 24px;
  height: 24px;
  flex: none;
  margin-top: 3px;
  color: var(--accent);
}
.pillars h3 {
  font-size: var(--text-md);
  font-weight: 600;
  color: var(--text);
  margin-bottom: 2px;
}
.pillars p { font-size: var(--text-sm); color: var(--text-2); }

@media (max-width: 860px) {
  .about-grid { grid-template-columns: 1fr; }
  .about-portrait { max-width: 340px; }
}

/* ---------- Timeline ---------- */
.background { background: var(--bg-elev); }

.timeline {
  position: relative;
  max-width: 980px;
  margin-inline: auto;
}
.timeline::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 1.5px;
  transform: translateX(-50%);
  background: linear-gradient(
    to bottom,
    transparent,
    var(--border-strong) 6%,
    var(--border-strong) 94%,
    transparent
  );
}

.tl-item {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 96px 1fr;
  align-items: center;
  margin-bottom: clamp(34px, 5vh, 56px);
}
.tl-item:last-child { margin-bottom: 0; }

.tl-node {
  grid-column: 2;
  justify-self: center;
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--node-bg);
  border: 1px solid var(--border-strong);
  display: grid;
  place-items: center;
  overflow: hidden;
  z-index: 1;
  box-shadow: var(--shadow-sm);
}
.tl-node img {
  width: 46px;
  height: 46px;
  object-fit: contain;
}
.tl-node .logo-wide { width: 56px; }
.tl-node-text { background: #101013; }
.bnp-mark {
  font-family: var(--font-mark);
  font-weight: 600;
  font-size: 1.05rem;
  letter-spacing: 0.06em;
  color: #f4f4f5;
}

.tl-card {
  grid-row: 1;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px 28px;
  transition: transform 0.35s var(--ease), border-color 0.3s ease, box-shadow 0.35s ease;
}
.tl-card:hover {
  transform: translateY(-3px);
  border-color: var(--border-strong);
  box-shadow: var(--shadow-sm);
}

/* alternate sides */
.tl-item:nth-child(odd) .tl-card { grid-column: 1; text-align: right; }
.tl-item:nth-child(even) .tl-card { grid-column: 3; text-align: left; }

.tl-date {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 8px;
}
.tl-card h3 {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text);
  line-height: 1.3;
}
.tl-inst {
  font-size: var(--text-sm);
  color: var(--text-3);
  margin-top: 3px;
}
.tl-note {
  font-size: var(--text-sm);
  color: var(--text-2);
  margin-top: 10px;
  line-height: 1.6;
}

.tl-badge {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  padding: 3px 10px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--accent) 16%, transparent);
  color: var(--accent);
  vertical-align: middle;
}
.tl-current { border-color: color-mix(in srgb, var(--accent) 45%, var(--border)); }

/* slide direction per side */
.tl-item.reveal { transform: none; opacity: 1; }
.tl-item.reveal .tl-card,
.tl-item.reveal .tl-node {
  opacity: 0;
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.tl-item.reveal .tl-node { transform: scale(0.6); }
.tl-item.reveal:nth-child(odd) .tl-card { transform: translateX(-34px); }
.tl-item.reveal:nth-child(even) .tl-card { transform: translateX(34px); }
.tl-item.reveal.in .tl-card,
.tl-item.reveal.in .tl-node { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  .tl-item.reveal .tl-card,
  .tl-item.reveal .tl-node { opacity: 1; transform: none; transition: none; }
}

@media (max-width: 780px) {
  .timeline::before { left: 36px; }
  .tl-item { grid-template-columns: 72px 1fr; }
  .tl-node { grid-column: 1; width: 58px; height: 58px; }
  .tl-node img { width: 36px; height: 36px; }
  .tl-item .tl-card,
  .tl-item:nth-child(odd) .tl-card,
  .tl-item:nth-child(even) .tl-card {
    grid-column: 2;
    text-align: left;
    margin-left: 16px;
  }
  .tl-item.reveal:nth-child(odd) .tl-card,
  .tl-item.reveal:nth-child(even) .tl-card { transform: translateX(24px); }
}

/* ---------- Portfolio ---------- */
.portfolio-grid {
  display: grid;
  grid-template-columns: minmax(300px, 5fr) 7fr;
  gap: clamp(40px, 6vw, 90px);
  align-items: center;
}

.portfolio-book {
  position: relative;
  display: block;
  width: 100%;
  max-width: 460px;
  margin-inline: auto;
  perspective: 1200px;
  cursor: pointer;
  border-radius: 6px;
}
.portfolio-book img {
  border-radius: 6px;
  box-shadow: var(--shadow);
}
.preview-cover {
  position: relative;
  z-index: 2;
  transform: rotate(-2.5deg);
  transition: transform 0.6s var(--ease);
  border: 1px solid var(--border);
}
.preview-page {
  position: absolute;
  inset: 0;
  z-index: 1;
  transform: rotate(4deg) translateX(7%) scale(0.96);
  opacity: 0.85;
  transition: transform 0.6s var(--ease);
  border: 1px solid var(--border);
}
.portfolio-book:hover .preview-cover,
.portfolio-book:focus-visible .preview-cover { transform: rotate(-1deg) translateY(-6px); }
.portfolio-book:hover .preview-page,
.portfolio-book:focus-visible .preview-page { transform: rotate(6deg) translateX(9%) scale(0.96); }

.preview-hint {
  position: absolute;
  z-index: 3;
  left: 50%;
  bottom: 8%;
  transform: translateX(-50%) translateY(6px);
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 11px 20px;
  border-radius: 999px;
  background: rgba(14, 14, 16, 0.82);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  color: #f4f4f5;
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.02em;
  white-space: nowrap;
  opacity: 0;
  transition: opacity 0.35s ease, transform 0.35s var(--ease);
  pointer-events: none;
}
.preview-hint svg { width: 17px; height: 17px; }
.portfolio-book:hover .preview-hint,
.portfolio-book:focus-visible .preview-hint {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.portfolio-meta {
  align-self: center;
  font-size: var(--text-sm);
  color: var(--text-3);
}

.project-index {
  margin-top: clamp(26px, 4vh, 40px);
  display: grid;
  gap: 4px;
}
.project-index li {
  display: flex;
  gap: 22px;
  align-items: baseline;
  padding: 16px 6px;
  border-bottom: 1px solid var(--border);
  transition: padding-left 0.3s var(--ease), border-color 0.3s ease;
}
.project-index li:first-child { border-top: 1px solid var(--border); }
.project-index li:hover { padding-left: 14px; border-color: var(--border-strong); }
.pi-num {
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: var(--accent);
  font-weight: 600;
  flex: none;
}
.project-index h3 {
  font-size: var(--text-md);
  font-weight: 600;
  color: var(--text);
  display: inline;
}
.project-index p {
  display: inline;
  font-size: var(--text-sm);
  color: var(--text-3);
}
.project-index h3::after { content: "  —  "; color: var(--text-3); font-weight: 400; }

.portfolio-actions {
  margin-top: clamp(28px, 4vh, 42px);
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

@media (max-width: 900px) {
  .portfolio-grid { grid-template-columns: 1fr; }
  .portfolio-book { max-width: 340px; }
}

/* ---------- Book viewer (portfolio) ---------- */
.book-modal {
  position: fixed;
  inset: 0;
  z-index: 150;
  display: flex;
  flex-direction: column;
  background: rgba(10, 10, 13, 0.94);
  -webkit-backdrop-filter: blur(20px) saturate(1.2);
  backdrop-filter: blur(20px) saturate(1.2);
  opacity: 0;
  transition: opacity 0.4s ease;
  user-select: none;
  -webkit-user-select: none;
}
.book-modal.open { opacity: 1; }
.book-modal[hidden] { display: none; }

.book-chrome {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 16px;
  padding: 14px clamp(16px, 3vw, 32px);
}
.book-title {
  font-family: var(--font-mark);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: #d9d9de;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.book-count {
  font-size: var(--text-sm);
  font-variant-numeric: tabular-nums;
  color: #a9a9b0;
  text-align: center;
  white-space: nowrap;
}
.book-close {
  justify-self: end;
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: #d9d9de;
  transition: background-color 0.25s ease, color 0.25s ease;
}
.book-close:hover { background: rgba(255, 255, 255, 0.1); color: #fff; }
.book-close svg { width: 20px; height: 20px; }

.book-stage {
  flex: 1;
  min-height: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(8px, 2vw, 28px);
  padding: 8px clamp(8px, 2vw, 28px);
}

.book-nav {
  flex: none;
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: #e6e6ea;
  transition: background-color 0.25s ease, border-color 0.25s ease, opacity 0.25s ease, transform 0.25s var(--ease);
}
.book-nav:hover { background: rgba(255, 255, 255, 0.1); border-color: rgba(255, 255, 255, 0.35); transform: scale(1.05); }
.book-nav:disabled { opacity: 0.25; pointer-events: none; }
.book-nav svg { width: 22px; height: 22px; }

/* the open book: two-page spread, 3D flip */
.book {
  position: relative;
  width: min(100%, 1330px, calc((100dvh - 190px) * 1.414));
  aspect-ratio: 1906 / 1348;
  perspective: 2600px;
  transform: scale(0.94) translateY(18px);
  transition: transform 0.5s var(--ease);
  filter: drop-shadow(0 40px 80px rgba(0, 0, 0, 0.6));
}
.book-modal.open .book { transform: none; }

.page-slot {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 50%;
  background: #fff;
  overflow: hidden;
}
.slot-left { left: 0; border-radius: 6px 0 0 6px; }
.slot-right { right: 0; border-radius: 0 6px 6px 0; }
.page-slot img,
.sheet-face img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  pointer-events: none;
  -webkit-touch-callout: none;
}
.page-slot.empty { background: transparent; box-shadow: none; }

/* spine shading for realism */
.slot-left::after,
.slot-right::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.slot-left::after { background: linear-gradient(to left, rgba(0,0,0,0.14), transparent 9%); }
.slot-right::after { background: linear-gradient(to right, rgba(0,0,0,0.14), transparent 9%); }

/* the turning sheet */
.book-sheet {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 50%;
  transform-style: preserve-3d;
  will-change: transform;
  z-index: 5;
}
.book-sheet.from-right { right: 0; transform-origin: left center; }
.book-sheet.from-left { left: 0; transform-origin: right center; }
.book-sheet.turning { transition: transform 0.65s cubic-bezier(0.36, 0.1, 0.26, 1); }
.book-sheet.from-right.turning { transform: rotateY(-180deg); }
.book-sheet.from-left.turning { transform: rotateY(180deg); }

.sheet-face {
  position: absolute;
  inset: 0;
  background: #fff;
  overflow: hidden;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
}
.sheet-back { transform: rotateY(180deg); }

/* moving shade on the turning sheet */
.sheet-face::after {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0);
  transition: background 0.65s ease;
  pointer-events: none;
}
.book-sheet.turning .sheet-face::after { background: rgba(0, 0, 0, 0.18); }

.book-hint {
  text-align: center;
  padding: 10px 16px 18px;
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: #808088;
}

/* single-page mode on phones / narrow screens */
@media (max-width: 760px), (orientation: portrait) and (max-width: 900px) {
  .book {
    width: min(100%, calc((100dvh - 210px) * 0.707));
    aspect-ratio: 953 / 1348;
  }
  .slot-left { display: none; }
  .slot-right { left: 0; width: 100%; border-radius: 6px; }
  .slot-right::after { display: none; }
  .book-sheet { display: none !important; }
  .book-nav { width: 46px; height: 46px; }
  /* page slide animation */
  .slot-right img { transition: opacity 0.28s ease, transform 0.28s var(--ease); }
  .slot-right.sliding-out-next img { opacity: 0; transform: translateX(-26px); }
  .slot-right.sliding-out-prev img { opacity: 0; transform: translateX(26px); }
}

@media (prefers-reduced-motion: reduce) {
  .book-modal, .book, .book-sheet, .sheet-face::after { transition: none !important; }
}

/* ---------- BNP Visuals ---------- */
.bnp { background: var(--bg-elev); }

.bnp-head {
  display: grid;
  grid-template-columns: minmax(320px, 7fr) auto;
  gap: clamp(36px, 6vw, 90px);
  align-items: end;
  margin-bottom: clamp(44px, 6vh, 72px);
}
.bnp-intro { max-width: 640px; }

.bnp-stats {
  display: grid;
  gap: 26px;
  text-align: right;
}
.stat-num {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 2rem + 2vw, 3.6rem);
  font-weight: 500;
  line-height: 1;
  color: var(--text);
  font-variant-numeric: tabular-nums;
}
.bnp-stats dd {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-top: 6px;
}

.bnp-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.bnp-card {
  position: relative;
  display: block;
  overflow: hidden;
  border-radius: var(--radius);
  aspect-ratio: 4 / 3;
  border: 1px solid var(--border);
  isolation: isolate;
}
.bnp-card-wide { grid-column: 1 / -1; aspect-ratio: 21 / 9; }

.bnp-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s var(--ease);
}
.bnp-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(200deg, transparent 40%, rgba(8, 8, 10, 0.78) 100%);
  transition: opacity 0.4s ease;
  z-index: 1;
}
.bnp-card:hover img { transform: scale(1.045); }

.bnp-card-label {
  position: absolute;
  left: 24px;
  right: 24px;
  bottom: 20px;
  z-index: 2;
  color: #fff;
  transform: translateY(4px);
  transition: transform 0.4s var(--ease);
}
.bnp-card:hover .bnp-card-label { transform: translateY(0); }
.bnp-cat {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: #d3ddf1;
  margin-bottom: 4px;
}
.bnp-card-label h3 {
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 1.1rem + 1vw, 1.9rem);
  font-weight: 500;
  line-height: 1.2;
}

.bnp-cta {
  margin-top: clamp(36px, 5vh, 56px);
  text-align: center;
}

@media (max-width: 900px) {
  .bnp-head { grid-template-columns: 1fr; align-items: start; }
  .bnp-stats {
    grid-template-columns: repeat(3, auto);
    text-align: left;
    gap: clamp(20px, 6vw, 56px);
  }
  .bnp-grid { grid-template-columns: 1fr 1fr; }
  .bnp-card-wide { aspect-ratio: 16 / 9; }
}
@media (max-width: 620px) {
  .bnp-grid { grid-template-columns: 1fr; }
  .bnp-card, .bnp-card-wide { aspect-ratio: 16 / 10; }
}

/* ---------- Contact ---------- */
.contact { text-align: center; }
.contact .kicker { margin-bottom: 14px; }
.contact-title { margin-inline: auto; max-width: 700px; }
.contact-lede {
  color: var(--text-2);
  max-width: 520px;
  margin: 0 auto;
}

.contact-mail {
  display: inline-block;
  margin-top: clamp(28px, 4vh, 40px);
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 1rem + 2.4vw, 2.4rem);
  font-weight: 500;
  color: var(--text);
  border-bottom: 1.5px solid var(--accent);
  padding-bottom: 4px;
  transition: color 0.3s ease;
}
.contact-mail:hover { color: var(--accent); }

.social-row {
  margin-top: clamp(32px, 5vh, 48px);
  display: flex;
  justify-content: center;
  gap: 14px;
}
.social-row a {
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  border: 1px solid var(--border-strong);
  border-radius: 50%;
  color: var(--text-2);
  transition: color 0.3s ease, border-color 0.3s ease, transform 0.3s var(--ease), background-color 0.3s ease;
}
.social-row a:hover {
  color: var(--accent);
  border-color: var(--accent);
  transform: translateY(-3px);
}
.social-row svg { width: 21px; height: 21px; }

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--border);
  padding-block: 34px;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
}
.footer-mark {
  font-family: var(--font-mark);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text-2);
}
.footer-copy { font-size: var(--text-xs); color: var(--text-3); }
.footer-top {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border: 1px solid var(--border-strong);
  border-radius: 50%;
  color: var(--text-2);
  transition: color 0.3s ease, border-color 0.3s ease, transform 0.3s var(--ease);
}
.footer-top:hover { color: var(--accent); border-color: var(--accent); transform: translateY(-3px); }
.footer-top svg { width: 18px; height: 18px; }

@media (max-width: 560px) {
  .footer-inner { justify-content: center; text-align: center; }
}