/* =========================================================================
   ANTHONY WOTRING — Portfolio
   Shared design system
   Type:  Schibsted Grotesk (grotesque) + Newsreader (editorial serif)
   Color: Paper #F8F7F4 · Ink #0A0A0A · Warm Gray #B7B4AD · Sand #E4E0D7
   ========================================================================= */

/* ---------- Tokens ---------- */
:root {
  --paper:      #F8F7F4;
  --ink:        #0A0A0A;
  --warm-gray:  #B7B4AD;
  --sand:       #E4E0D7;
  --sand-deep:  #E9E5DB;
  --line:       rgba(10, 10, 10, 0.14);
  --line-soft:  rgba(10, 10, 10, 0.08);

  --sans: "Schibsted Grotesk", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --serif: "Newsreader", Georgia, "Times New Roman", serif;
  --mono: ui-monospace, "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace;

  /* fluid type */
  --fs-mega:   clamp(3.4rem, 11.5vw, 13rem);
  --fs-display:clamp(2.6rem, 7vw, 6.6rem);
  --fs-h1:     clamp(2.1rem, 4.6vw, 4.2rem);
  --fs-h2:     clamp(1.7rem, 3.1vw, 3rem);
  --fs-h3:     clamp(1.3rem, 1.9vw, 1.8rem);
  --fs-lead:   clamp(1.18rem, 1.7vw, 1.6rem);
  --fs-body:   clamp(1rem, 1.05vw, 1.12rem);
  --fs-meta:   0.74rem;

  --mx: clamp(1.25rem, 4.5vw, 5.5rem);   /* page side margin */
  --gap: clamp(1.25rem, 2.4vw, 2.6rem);

  --maxw: 1680px;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-soft: cubic-bezier(0.4, 0, 0.1, 1);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }
html {
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
}
body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: var(--fs-body);
  line-height: 1.55;
  font-weight: 400;
  letter-spacing: -0.005em;
  overflow-x: hidden;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; }
::selection { background: var(--ink); color: var(--paper); }

/* ---------- Type primitives ---------- */
.serif { font-family: var(--serif); }
.italic { font-style: italic; }

.display {
  font-family: var(--serif);
  font-weight: 400;
  line-height: 0.98;
  letter-spacing: -0.022em;
  text-wrap: balance;
}
h1, h2, h3 { font-weight: 500; letter-spacing: -0.02em; line-height: 1.04; }

.label {
  font-family: var(--sans);
  font-size: var(--fs-meta);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-weight: 500;
  color: var(--ink);
}
.label--muted { color: var(--warm-gray); }
.mono {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.02em;
}

.lead {
  font-size: var(--fs-lead);
  line-height: 1.4;
  font-weight: 400;
  letter-spacing: -0.012em;
  max-width: 30ch;
}

/* ---------- Layout ---------- */
.wrap {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--mx);
}
.section { padding-block: clamp(4.5rem, 9vw, 9rem); }
.section--tight { padding-block: clamp(3rem, 5vw, 5rem); }
.rule { height: 1px; background: var(--line); border: 0; width: 100%; }

.grid12 {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--gap);
}

/* ---------- Navigation ---------- */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: clamp(1.1rem, 1.8vw, 1.7rem) var(--mx);
  mix-blend-mode: normal;
  transition: padding 0.4s var(--ease);
}
/* Blur/tint live on a pseudo-element — NOT on .nav itself — so the nav
   never becomes a containing block that would trap the fixed mobile menu. */
.nav::before {
  content: "";
  position: absolute;
  inset: 0;
  background: color-mix(in srgb, var(--paper) 82%, transparent);
  backdrop-filter: saturate(140%) blur(14px);
  -webkit-backdrop-filter: saturate(140%) blur(14px);
  border-bottom: 1px solid var(--line-soft);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s var(--ease);
  z-index: -1;
}
.nav.is-scrolled::before { opacity: 1; }
.nav.is-scrolled {
  padding-block: clamp(0.8rem, 1.2vw, 1.1rem);
}
.nav__brand {
  font-family: var(--sans);
  font-weight: 600;
  font-size: 0.96rem;
  letter-spacing: -0.01em;
  display: flex;
  align-items: center;
  gap: 0.6em;
}
.nav__brand .nav__mark {
  width: 1.45em;
  height: 1.45em;
  flex: none;
  object-fit: contain;
  transition: transform 0.6s var(--ease);
  transform-origin: center 70%;
}
.nav__brand:hover .nav__mark { transform: translateY(-2px) rotate(-4deg); }
.nav__brand .txt { display: inline-flex; align-items: baseline; gap: 0.55em; }
.nav__brand .dot { color: var(--warm-gray); font-weight: 400; }
.nav__brand .role { font-size: var(--fs-meta); text-transform: uppercase; letter-spacing: 0.12em; color: var(--warm-gray); font-weight: 500; }

/* watermark of the AW mark — sits behind hero content */
.mark-watermark {
  position: absolute;
  pointer-events: none;
  opacity: 0.05;
  z-index: 0;
}
.nav__links {
  display: flex;
  align-items: center;
  gap: clamp(1.4rem, 2.4vw, 2.6rem);
}
.nav__link {
  font-size: 0.92rem;
  font-weight: 500;
  letter-spacing: -0.005em;
  position: relative;
  padding-block: 0.2em;
}
.nav__link::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 100%; height: 1px;
  background: var(--ink);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.45s var(--ease);
}
.nav__link:hover::after, .nav__link.is-active::after { transform: scaleX(1); }
.nav__link.is-active { font-weight: 600; }

.nav__toggle { display: none; }

/* mobile nav */
@media (max-width: 760px) {
  .nav__links {
    position: fixed;
    inset: 0;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 1.2rem;
    background: var(--paper);
    padding: var(--mx);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: transform 0.55s var(--ease), opacity 0.3s var(--ease), visibility 0s linear 0.55s;
    z-index: 99;
  }
  .nav.is-open .nav__links {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transition: transform 0.55s var(--ease), opacity 0.3s var(--ease), visibility 0s linear 0s;
  }
  .nav__link { font-family: var(--serif); font-size: clamp(2.2rem, 9vw, 3.4rem); font-weight: 400; }
  .nav__link::after { height: 2px; }
  .nav__toggle {
    display: flex; flex-direction: column; gap: 5px; z-index: 101; padding: 6px 0;
  }
  .nav__toggle span { display: block; width: 26px; height: 1.5px; background: var(--ink); transition: transform 0.4s var(--ease), opacity 0.3s; }
  .nav.is-open .nav__toggle span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
  .nav.is-open .nav__toggle span:nth-child(2) { opacity: 0; }
  .nav.is-open .nav__toggle span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }
}

/* ---------- Links / buttons ---------- */
.link-underline {
  position: relative;
  display: inline-block;
  background-image: linear-gradient(var(--ink), var(--ink));
  background-size: 100% 1px;
  background-repeat: no-repeat;
  background-position: 0 100%;
  transition: background-size 0.5s var(--ease);
}
.link-underline:hover { background-size: 0% 1px; background-position: 100% 100%; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.7em;
  font-size: 0.9rem;
  font-weight: 500;
  padding: 0.95em 1.5em;
  border: 1px solid var(--ink);
  border-radius: 999px;
  transition: background 0.4s var(--ease), color 0.4s var(--ease), transform 0.4s var(--ease);
  will-change: transform;
}
.btn .arr { transition: transform 0.4s var(--ease); }
.btn:hover { background: var(--ink); color: var(--paper); }
.btn:hover .arr { transform: translateX(4px); }
.btn--solid { background: var(--ink); color: var(--paper); }
.btn--solid:hover { background: transparent; color: var(--ink); }

.arrow-link {
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  font-weight: 500;
  font-size: 0.95rem;
}
.arrow-link .arr { transition: transform 0.4s var(--ease); }
.arrow-link:hover .arr { transform: translateX(5px); }

/* ---------- Media placeholders ---------- */
.media {
  position: relative;
  overflow: hidden;
  background: var(--sand);
  isolation: isolate;
}
.media::before {
  /* subtle diagonal texture */
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    -45deg,
    transparent 0 9px,
    rgba(10,10,10,0.022) 9px 10px
  );
  z-index: 0;
}
.media__label {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 0.5em;
  text-align: center;
  padding: 1.5rem;
  z-index: 1;
}
.media__label .tag {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  color: rgba(10,10,10,0.5);
  text-transform: lowercase;
}
.media__label .tag::before { content: "⊕  "; opacity: 0.55; }
.media__num {
  position: absolute;
  top: 1.1rem; left: 1.2rem;
  font-family: var(--mono);
  font-size: 0.7rem;
  color: rgba(10,10,10,0.4);
  z-index: 1;
}
.media--dark { background: #15140f; }
.media--dark::before { background-image: repeating-linear-gradient(-45deg, transparent 0 9px, rgba(255,255,255,0.03) 9px 10px); }
.media--dark .media__label .tag { color: rgba(248,247,244,0.55); }
.media--sanddeep { background: var(--sand-deep); }

/* aspect helpers */
.ar-1   { aspect-ratio: 1 / 1; }
.ar-43  { aspect-ratio: 4 / 3; }
.ar-32  { aspect-ratio: 3 / 2; }
.ar-169 { aspect-ratio: 16 / 9; }
.ar-219 { aspect-ratio: 21 / 9; }
.ar-34  { aspect-ratio: 3 / 4; }
.ar-23  { aspect-ratio: 2 / 3; }

/* zoom on hover for cards */
.media__zoom {
  position: absolute; inset: 0; z-index: 0;
  transition: transform 1.1s var(--ease);
}
a:hover > .media .media__zoom,
.card:hover .media__zoom { transform: scale(1.045); }

/* ---------- Project cards (home + index) ---------- */
.card { display: block; }
.card__meta {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 1.1rem;
  padding-top: 0.9rem;
  border-top: 1px solid var(--line);
}
.card__title {
  font-family: var(--serif);
  font-size: var(--fs-h3);
  font-weight: 480;
  letter-spacing: -0.02em;
  line-height: 1.05;
  display: inline-flex;
  align-items: baseline;
  gap: 0.5em;
  transition: opacity 0.3s var(--ease);
}
.card__idx { font-family: var(--mono); font-size: 0.72rem; color: var(--warm-gray); }
.card__cat { font-size: 0.84rem; color: var(--warm-gray); text-align: right; flex-shrink: 0; }
.card__year { font-family: var(--mono); font-size: 0.72rem; color: var(--warm-gray); }
.card:hover .card__title { opacity: 0.55; }

/* ---------- Footer ---------- */
.footer {
  background: var(--ink);
  color: var(--paper);
  padding-block: clamp(4rem, 8vw, 7rem) clamp(2rem, 3vw, 2.6rem);
}
.footer ::selection { background: var(--paper); color: var(--ink); }
.footer__cta {
  font-family: var(--serif);
  font-weight: 400;
  font-size: var(--fs-display);
  line-height: 1.0;
  letter-spacing: -0.022em;
  text-wrap: balance;
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
}
.footer__cta a { background-image: linear-gradient(var(--paper), var(--paper)); background-size: 100% 1px; background-repeat: no-repeat; background-position: 0 92%; transition: background-size 0.5s var(--ease); }
.footer__cta a:hover { background-size: 0% 1px; background-position: 100% 92%; }
.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--gap);
  padding-top: 2.4rem;
  border-top: 1px solid rgba(248,247,244,0.16);
}
.footer__col h4 { font-size: var(--fs-meta); text-transform: uppercase; letter-spacing: 0.14em; color: var(--warm-gray); font-weight: 500; margin-bottom: 1.1rem; }
.footer__col ul { list-style: none; display: flex; flex-direction: column; gap: 0.5rem; }
.footer__col a { color: var(--paper); font-size: 0.98rem; }
.footer__col a.link-underline { background-image: linear-gradient(var(--paper), var(--paper)); }
.footer__bottom {
  display: flex; justify-content: space-between; align-items: baseline; flex-wrap: wrap; gap: 1rem;
  margin-top: clamp(3rem, 6vw, 5rem);
  color: var(--warm-gray); font-size: 0.8rem;
}
.footer__bottom .mono { color: rgba(248,247,244,0.55); }
@media (max-width: 680px) {
  .footer__grid { grid-template-columns: 1fr; gap: 2rem; }
}

/* ---------- Page header (interior pages) ---------- */
.pagehead { padding-top: clamp(8rem, 14vh, 12rem); }
.pagehead .label { margin-bottom: 1.6rem; display: block; }
.pagehead__title { font-family: var(--serif); font-weight: 400; font-size: var(--fs-mega); line-height: 0.92; letter-spacing: -0.025em; }

/* eyebrow index line */
.eyebrow {
  display: flex; align-items: center; gap: 1rem;
  margin-bottom: clamp(2rem, 4vw, 3.5rem);
}
.eyebrow .num { font-family: var(--mono); font-size: 0.72rem; color: var(--warm-gray); }
.eyebrow .line { flex: 1; height: 1px; background: var(--line); }

/* ---------- Case study modules ---------- */
.cs-hero { padding-top: clamp(7.5rem, 12vh, 11rem); }
.cs-hero__meta {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--gap);
  border-top: 1px solid var(--line);
  padding-top: 1.4rem;
  margin-top: clamp(2.4rem, 4vw, 3.4rem);
}
.cs-hero__meta .item .label { display: block; margin-bottom: 0.5rem; color: var(--warm-gray); }
.cs-hero__meta .item .val { font-size: 1rem; font-weight: 500; }
@media (max-width: 680px) { .cs-hero__meta { grid-template-columns: repeat(2, 1fr); row-gap: 1.6rem; } }

.cs-section { padding-block: clamp(3.5rem, 7vw, 7rem); }
.cs-statement {
  font-family: var(--serif);
  font-weight: 400;
  font-size: var(--fs-display);
  line-height: 1.02;
  letter-spacing: -0.022em;
  text-wrap: balance;
}
.cs-statement em { font-style: italic; color: var(--warm-gray); }

.cs-two {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: clamp(2rem, 6vw, 6rem);
  align-items: start;
}
.cs-two .k { font-size: var(--fs-h3); font-family: var(--serif); font-weight: 460; letter-spacing: -0.02em; }
.cs-two .body p { font-size: var(--fs-lead); line-height: 1.5; max-width: 46ch; }
.cs-two .body p + p { margin-top: 1.2rem; }
@media (max-width: 760px) { .cs-two { grid-template-columns: 1fr; gap: 1.2rem; } }

/* challenge/process/outcome trio */
.cs-trio { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--gap); }
.cs-trio .cell { padding-top: 1.4rem; border-top: 1px solid var(--ink); }
.cs-trio .cell .label { display: block; margin-bottom: 1.1rem; }
.cs-trio .cell h3 { font-family: var(--serif); font-weight: 460; font-size: var(--fs-h3); margin-bottom: 0.8rem; letter-spacing: -0.02em; }
.cs-trio .cell p { color: #2a2a28; max-width: 32ch; }
@media (max-width: 820px) { .cs-trio { grid-template-columns: 1fr; gap: 2.2rem; } }

/* key results */
.results { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--gap); }
.results .stat .n { font-family: var(--serif); font-weight: 400; font-size: clamp(2.6rem, 5.5vw, 5rem); line-height: 0.95; letter-spacing: -0.03em; }
.results .stat .c { display: block; margin-top: 0.7rem; color: var(--warm-gray); font-size: 0.86rem; max-width: 22ch; }
@media (max-width: 820px) { .results { grid-template-columns: repeat(2, 1fr); row-gap: 2.4rem; } }

/* galleries */
.gal { display: grid; grid-template-columns: repeat(12, 1fr); gap: var(--gap); }
.gal > * { grid-column: span 12; }
.col-6 { grid-column: span 6 !important; }
.col-4 { grid-column: span 4 !important; }
.col-8 { grid-column: span 8 !important; }
.col-7 { grid-column: span 7 !important; }
.col-5 { grid-column: span 5 !important; }
@media (max-width: 760px) {
  .col-6, .col-4, .col-8, .col-7, .col-5 { grid-column: span 12 !important; }
  .gal-keep .col-6 { grid-column: span 6 !important; }
}

.caption { margin-top: 0.8rem; color: var(--warm-gray); font-family: var(--mono); font-size: 0.7rem; }

/* next project */
.nextproj { border-top: 1px solid var(--line); padding-block: clamp(3rem, 6vw, 5rem); }
.nextproj a { display: block; }
.nextproj .label { color: var(--warm-gray); }
.nextproj .big { font-family: var(--serif); font-weight: 400; font-size: var(--fs-display); line-height: 1; letter-spacing: -0.022em; margin-top: 0.8rem; transition: opacity 0.3s, transform 0.5s var(--ease); display: inline-flex; align-items: center; gap: 0.4em; }
.nextproj a:hover .big { opacity: 0.55; }
.nextproj a:hover .big .arr { transform: translateX(10px); }
.nextproj .big .arr { transition: transform 0.5s var(--ease); }

/* ---------- Filters (work page) ---------- */
.filters { display: flex; flex-wrap: wrap; gap: 0.5rem 0.6rem; align-items: center; }
.filter {
  font-size: 0.9rem; font-weight: 500;
  padding: 0.5em 1.05em;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: #54534e;
  transition: all 0.35s var(--ease);
}
.filter:hover { border-color: var(--ink); color: var(--ink); }
.filter.is-active { background: var(--ink); color: var(--paper); border-color: var(--ink); }

.index-row {
  transition: opacity 0.5s var(--ease), filter 0.5s var(--ease);
}
.index-row.is-hidden { display: none; }

/* ---------- Scroll reveal ---------- */
@media (prefers-reduced-motion: no-preference) {
  [data-reveal] {
    opacity: 0;
    transform: translateY(26px);
    transition: opacity 1s var(--ease), transform 1s var(--ease);
    transition-delay: var(--d, 0ms);
    will-change: opacity, transform;
  }
  [data-reveal].is-in { opacity: 1; transform: none; }
  [data-reveal="fade"] { transform: none; }
  [data-reveal="clip"] {
    opacity: 1; transform: none;
    clip-path: inset(0 0 100% 0);
    transition: clip-path 1.1s var(--ease);
    transition-delay: var(--d, 0ms);
  }
  [data-reveal="clip"].is-in { clip-path: inset(0 0 0 0); }
}

/* ---------- Utilities ---------- */
.muted { color: var(--warm-gray); }
.center { text-align: center; }
.mt-s { margin-top: 1rem; }
.mt-m { margin-top: 2rem; }
.mt-l { margin-top: clamp(2.5rem, 5vw, 4.5rem); }
.maxw-md { max-width: 56ch; }
.maxw-sm { max-width: 40ch; }
.flow > * + * { margin-top: 1.1em; }
.span-line { display: block; }

/* big editorial hero type for home */
.hero-statement {
  font-family: var(--serif);
  font-weight: 400;
  font-size: var(--fs-mega);
  line-height: 0.9;
  letter-spacing: -0.028em;
  text-wrap: balance;
}
.hero-statement em { font-style: italic; }

/* =========================================================================
   RESPONSIVE LAYER — tablet & mobile only.
   Desktop (>1024px) is intentionally untouched.
   ========================================================================= */

/* Belt-and-suspenders against any horizontal scroll */
html { overflow-x: clip; }
img, video, svg { max-width: 100%; }

/* ---------- Tablet (≤1024px) ---------- */
@media (max-width: 1024px) {
  :root { --mx: clamp(1.5rem, 4.2vw, 3.25rem); }
}

/* ---------- Large phone / small tablet (≤760px) ---------- */
@media (max-width: 760px) {
  /* every 12-column row stacks into one clean column
     (overrides inline grid-column spans on home/about/work) */
  .grid12 > * { grid-column: 1 / -1 !important; }

  /* hero meta row + arrow wrap comfortably */
  .hero-top { gap: 0.6rem; }
}

/* ---------- Phone (≤600px) ---------- */
@media (max-width: 600px) {
  :root {
    --fs-mega:    clamp(2.4rem, 11vw, 4rem);
    --fs-display: clamp(2rem, 8.5vw, 3rem);
    --fs-h1:      clamp(1.8rem, 6.5vw, 2.4rem);
    --fs-h2:      clamp(1.55rem, 5.4vw, 2.1rem);
    --fs-lead:    clamp(1.05rem, 3.4vw, 1.22rem);
    --gap:        1.1rem;
  }

  /* long headlines & emails never break the viewport */
  .hero-statement, .display, .pagehead__title, .cs-statement,
  .footer__cta, .card__title, .tl-title, .link-underline {
    overflow-wrap: break-word;
  }

  /* full-bleed heroes get real presence instead of a 21:9 sliver */
  .ar-219 { aspect-ratio: 16 / 10; }

  /* nav: trim the brand so it sits cleanly beside the menu button */
  .nav__brand .dot, .nav__brand .role { display: none; }
  .nav__brand { font-size: 1rem; }

  /* tap targets ≥ 44px */
  .filter { padding: 0.7em 1.15em; }
  .nav__toggle { padding: 10px 0; }
  .footer__col a { display: inline-block; padding-block: 0.2em; }
  .footer__col ul { gap: 0.65rem; }
  .arrow-link, .btn { min-height: 44px; }

  /* comfortable, un-squeezed vertical rhythm */
  .section { padding-block: clamp(3rem, 11vw, 4.5rem); }
  .cs-section { padding-block: clamp(2.6rem, 9vw, 4rem); }

  /* meta + results: tidy two-up on phone */
  .cs-hero__meta { grid-template-columns: 1fr 1fr; row-gap: 1.4rem; }
  .results { grid-template-columns: 1fr 1fr; }

  /* keep card meta from feeling cramped */
  .card__meta { gap: 0.6rem; }
  .card__cat { font-size: 0.8rem; }
}

/* ---------- Small phone (≤380px, e.g. iPhone SE) ---------- */
@media (max-width: 380px) {
  :root {
    --fs-mega: clamp(2.1rem, 10.5vw, 3rem);
    --mx: 1.15rem;
  }
  .cs-hero__meta { grid-template-columns: 1fr; }
}