/*
Theme Name: FFF Studio
Theme URI: https://studio.fff-lab.online/
Author: FFF Studio
Author URI: https://fff-lab.online/
Description: Minimalist portfolio theme for FFF Studio — digital products and websites for culture.
Version: 0.1.0
Requires at least: 6.4
Tested up to: 6.8
Requires PHP: 7.4
License: GPL-2.0-or-later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: fff-studio
Tags: portfolio, one-column, custom-logo, accessibility-ready
*/

:root {
  --paper: #f0eee7;
  --ink: #11120f;
  --signal: #cfff2e;
  --blue: #1e51ff;
  --line: rgba(17, 18, 15, 0.28);
  --muted: rgba(17, 18, 15, 0.67);
  --gutter: clamp(1rem, 3vw, 3.5rem);
  --header-height: 5.25rem;
  --ease: cubic-bezier(0.2, 0.75, 0.2, 1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Arial Narrow", "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 1rem;
  line-height: 1.45;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body.menu-open {
  overflow: hidden;
}

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

a {
  color: inherit;
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.17em;
}

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

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

button {
  font: inherit;
}

.skip-link {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 100;
  padding: 0.7rem 1rem;
  background: var(--signal);
  color: var(--ink);
  transform: translateY(-180%);
}

.skip-link:focus {
  transform: translateY(0);
}

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

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 50;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  min-height: var(--header-height);
  padding: 0 var(--gutter);
  color: #fff;
  mix-blend-mode: difference;
}

.site-brand {
  justify-self: start;
  font-size: 1.08rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  text-decoration: none;
}

.site-brand span {
  font-weight: 400;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(1.1rem, 2.4vw, 2.8rem);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.site-nav a,
.header-contact {
  position: relative;
  text-decoration: none;
}

.site-nav a::after,
.header-contact::after {
  position: absolute;
  right: 0;
  bottom: -0.28rem;
  left: 0;
  height: 1px;
  background: currentColor;
  content: "";
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 260ms var(--ease);
}

.site-nav a:hover::after,
.site-nav a:focus-visible::after,
.header-contact:hover::after,
.header-contact:focus-visible::after {
  transform: scaleX(1);
  transform-origin: left;
}

.header-contact {
  justify-self: end;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.menu-toggle {
  display: none;
  justify-self: end;
  padding: 0;
  border: 0;
  background: transparent;
  color: inherit;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.22fr) minmax(22rem, 0.78fr);
  min-height: 100svh;
  overflow: hidden;
  background: var(--signal);
}

.hero-copy {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  min-width: 0;
  padding: calc(var(--header-height) + 3rem) var(--gutter) clamp(2rem, 5vh, 4.5rem);
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  margin: 0 0 1.6rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.eyebrow::before {
  width: 1.9rem;
  height: 1px;
  background: currentColor;
  content: "";
}

.hero-title {
  max-width: 9ch;
  margin: 0;
  font-size: clamp(4.8rem, 11.7vw, 12.8rem);
  font-weight: 850;
  line-height: 0.72;
  letter-spacing: -0.092em;
  text-wrap: balance;
}

.hero-title span {
  display: block;
  margin-left: 0.54em;
  font-weight: 400;
}

.hero-bottom {
  display: grid;
  grid-template-columns: minmax(15rem, 31rem) auto;
  align-items: end;
  gap: 1.5rem;
  margin-top: clamp(2rem, 8vh, 6rem);
}

.hero-intro {
  max-width: 39ch;
  margin: 0;
  font-size: clamp(1.15rem, 1.55vw, 1.7rem);
  line-height: 1.22;
  letter-spacing: -0.035em;
}

.text-link {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 2.5rem;
  min-width: 12rem;
  padding: 0 0 0.55rem;
  border-bottom: 1px solid currentColor;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-decoration: none;
  text-transform: uppercase;
}

.text-link::after {
  content: "\2198";
  font-size: 1.2rem;
  transition: transform 220ms var(--ease);
}

.text-link:hover::after,
.text-link:focus-visible::after {
  transform: translate(0.25rem, 0.25rem);
}

.hero-visual {
  position: relative;
  min-height: 100%;
  overflow: hidden;
  background: #d3d0c8;
}

.hero-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 39% center;
  filter: saturate(0.92) contrast(1.02);
  transform: scale(1.04);
  transition: transform 1.4s var(--ease);
}

.is-ready .hero-visual img {
  transform: scale(1);
}

.hero-visual::after {
  position: absolute;
  inset: 0;
  border-left: 1px solid rgba(17, 18, 15, 0.4);
  content: "";
  pointer-events: none;
}

.hero-caption {
  position: absolute;
  right: 1rem;
  bottom: 1rem;
  left: 1rem;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 0.6rem;
  border-top: 1px solid rgba(255, 255, 255, 0.75);
  color: #fff;
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  text-shadow: 0 1px 16px rgba(0, 0, 0, 0.35);
}

.hero .eyebrow,
.hero-title,
.hero-bottom {
  opacity: 0;
  transform: translateY(1.2rem);
}

.is-ready .hero .eyebrow,
.is-ready .hero-title,
.is-ready .hero-bottom {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 700ms var(--ease), transform 700ms var(--ease);
}

.is-ready .hero-title {
  transition-delay: 90ms;
}

.is-ready .hero-bottom {
  transition-delay: 190ms;
}

.section {
  padding: clamp(5.5rem, 12vw, 11rem) var(--gutter);
}

.section-head {
  display: grid;
  grid-template-columns: minmax(9rem, 0.28fr) minmax(0, 1fr);
  gap: 2rem;
  align-items: start;
  margin-bottom: clamp(4rem, 9vw, 8rem);
}

.section-kicker {
  margin: 0;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.section-title {
  max-width: 13ch;
  margin: 0;
  font-size: clamp(3.15rem, 7.2vw, 8.5rem);
  font-weight: 750;
  line-height: 0.88;
  letter-spacing: -0.075em;
  text-wrap: balance;
}

.solutions {
  background: var(--paper);
}

.solution {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(24rem, 1.15fr);
  gap: clamp(2rem, 7vw, 8rem);
  align-items: center;
  padding: clamp(2.5rem, 5vw, 5rem) 0;
  border-top: 1px solid var(--line);
}

.solution:last-child {
  border-bottom: 1px solid var(--line);
}

.solution:nth-child(even) .solution-copy {
  order: 2;
}

.solution:nth-child(even) .solution-media {
  order: 1;
}

.solution-number {
  display: block;
  margin-bottom: clamp(2rem, 5vw, 5rem);
  color: var(--muted);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.11em;
}

.solution h3 {
  margin: 0 0 1.4rem;
  font-size: clamp(2.5rem, 5.3vw, 6.2rem);
  font-weight: 760;
  line-height: 0.88;
  letter-spacing: -0.075em;
}

.solution-description {
  max-width: 35ch;
  margin: 0 0 2rem;
  color: var(--muted);
  font-size: clamp(1.04rem, 1.4vw, 1.35rem);
  line-height: 1.35;
}

.solution-meta {
  margin: 0 0 2.8rem;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.solution-media {
  position: relative;
  overflow: hidden;
  aspect-ratio: 1.42 / 1;
  background: #dedbd2;
}

.solution-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
  transition: transform 700ms var(--ease), filter 700ms var(--ease);
}

.solution:hover .solution-media img {
  filter: saturate(1.05);
  transform: scale(1.025);
}

.solution-media::after {
  position: absolute;
  inset: 0;
  border: 1px solid rgba(17, 18, 15, 0.17);
  content: "";
  pointer-events: none;
}

.references {
  background: var(--ink);
  color: var(--paper);
}

.references .section-kicker {
  color: var(--signal);
}

.references-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(21rem, 0.9fr);
  gap: clamp(2rem, 7vw, 8rem);
  align-items: start;
}

.reference-stage {
  position: sticky;
  top: calc(var(--header-height) + 1.5rem);
  aspect-ratio: 1.32 / 1;
  overflow: hidden;
  background: #282924;
}

.reference-stage img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
  opacity: 1;
  transition: opacity 200ms ease, transform 600ms var(--ease);
}

.reference-stage.is-switching img {
  opacity: 0.2;
  transform: scale(1.02);
}

.reference-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid rgba(240, 238, 231, 0.28);
}

.reference-item {
  border-bottom: 1px solid rgba(240, 238, 231, 0.28);
}

.reference-link {
  display: grid;
  grid-template-columns: 2rem minmax(0, 1fr) auto;
  gap: 1.2rem;
  align-items: center;
  min-height: clamp(6.5rem, 10vw, 9.5rem);
  padding: 1.2rem 0;
  text-decoration: none;
}

.reference-index {
  align-self: start;
  padding-top: 0.35rem;
  color: rgba(240, 238, 231, 0.52);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.reference-name {
  display: block;
  font-size: clamp(1.8rem, 3.2vw, 3.7rem);
  font-weight: 700;
  line-height: 0.94;
  letter-spacing: -0.055em;
  transition: color 230ms ease, transform 230ms var(--ease);
}

.reference-type {
  display: block;
  margin-top: 0.6rem;
  color: rgba(240, 238, 231, 0.58);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.reference-arrow {
  font-size: 1.4rem;
  transition: transform 230ms var(--ease);
}

.reference-link:hover .reference-name,
.reference-link:focus-visible .reference-name,
.reference-item.is-active .reference-name {
  color: var(--signal);
  transform: translateX(0.35rem);
}

.reference-link:hover .reference-arrow,
.reference-link:focus-visible .reference-arrow {
  transform: translate(0.3rem, -0.3rem);
}

.reference-thumb {
  display: none;
}

.approach {
  background: var(--blue);
  color: #fff;
}

.approach .section-head {
  margin-bottom: clamp(4rem, 8vw, 7rem);
}

.approach-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.7fr) minmax(22rem, 1.3fr);
  gap: clamp(3rem, 10vw, 11rem);
  align-items: start;
}

.approach-lead {
  max-width: 28ch;
  margin: 0;
  font-size: clamp(1.5rem, 2.8vw, 3.2rem);
  line-height: 1.05;
  letter-spacing: -0.05em;
}

.services-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid rgba(255, 255, 255, 0.42);
}

.services-list li {
  display: grid;
  grid-template-columns: 3rem 1fr;
  gap: 1rem;
  padding: 1.3rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.42);
  font-size: clamp(1.1rem, 2.2vw, 2.3rem);
  line-height: 1.05;
  letter-spacing: -0.035em;
}

.services-list span {
  padding-top: 0.2rem;
  color: rgba(255, 255, 255, 0.62);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.contact {
  min-height: min(86rem, 100svh);
  background: var(--signal);
}

.contact-inner {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: min(86rem, 100svh);
  padding: clamp(6rem, 12vw, 11rem) var(--gutter) 2rem;
}

.contact-title {
  max-width: 10.5ch;
  margin: 0 0 3rem;
  font-size: clamp(4rem, 10vw, 11.5rem);
  font-weight: 780;
  line-height: 0.82;
  letter-spacing: -0.085em;
}

.contact-link {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 1rem;
  align-items: end;
  padding: 1rem 0;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
  font-size: clamp(1.35rem, 4.1vw, 5.3rem);
  line-height: 1;
  letter-spacing: -0.055em;
  text-decoration: none;
  overflow-wrap: anywhere;
}

.contact-link::after {
  content: "\2197";
  transition: transform 250ms var(--ease);
}

.contact-link:hover::after,
.contact-link:focus-visible::after {
  transform: translate(0.35rem, -0.35rem);
}

.contact-meta {
  display: flex;
  justify-content: space-between;
  gap: 2rem;
  margin-top: 5rem;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.site-footer {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 1.5rem;
  padding: 1.2rem var(--gutter);
  background: var(--ink);
  color: var(--paper);
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.site-footer a {
  text-decoration: none;
}

.site-footer a:hover,
.site-footer a:focus-visible {
  color: var(--signal);
}

.footer-center {
  text-align: center;
}

.footer-right {
  text-align: right;
}

.reveal {
  opacity: 0;
  transform: translateY(2.5rem);
  transition: opacity 700ms var(--ease), transform 700ms var(--ease);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

:focus-visible {
  outline: 3px solid var(--signal);
  outline-offset: 4px;
}

.hero :focus-visible,
.contact :focus-visible {
  outline-color: var(--ink);
}

@media (max-width: 920px) {
  :root {
    --header-height: 4.5rem;
  }

  .site-header {
    grid-template-columns: 1fr auto;
  }

  .site-brand,
  .menu-toggle {
    position: relative;
    z-index: 2;
  }

  .header-contact {
    display: none;
  }

  .menu-toggle {
    display: block;
  }

  .site-nav {
    position: fixed;
    inset: 0;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-end;
    gap: 0;
    padding: 7rem var(--gutter) 2.5rem;
    background: var(--ink);
    color: var(--paper);
    mix-blend-mode: normal;
    opacity: 0;
    visibility: hidden;
    transition: opacity 250ms ease, visibility 250ms ease;
  }

  .site-nav a {
    width: 100%;
    padding: 1rem 0;
    border-top: 1px solid rgba(240, 238, 231, 0.3);
    font-size: clamp(2.2rem, 9vw, 5rem);
    font-weight: 600;
    line-height: 1;
    letter-spacing: -0.05em;
    text-transform: none;
  }

  .site-nav a:last-child {
    border-bottom: 1px solid rgba(240, 238, 231, 0.3);
  }

  .site-nav a::after {
    display: none;
  }

  .menu-open .site-header {
    color: #fff;
    mix-blend-mode: normal;
  }

  .menu-open .site-nav {
    opacity: 1;
    visibility: visible;
  }

  .hero {
    grid-template-columns: 1fr;
    grid-template-rows: minmax(31rem, 64svh) minmax(14rem, 36svh);
  }

  .hero-copy {
    padding-top: calc(var(--header-height) + 2rem);
  }

  .hero-title {
    font-size: clamp(4.3rem, 21vw, 9rem);
  }

  .hero-bottom {
    grid-template-columns: 1fr auto;
    margin-top: clamp(1.5rem, 4vh, 3rem);
  }

  .hero-visual::after {
    border-top: 1px solid rgba(17, 18, 15, 0.4);
    border-left: 0;
  }

  .solution,
  .solution:nth-child(even) {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .solution:nth-child(even) .solution-copy,
  .solution:nth-child(even) .solution-media {
    order: initial;
  }

  .references-layout {
    grid-template-columns: 1fr;
  }

  .reference-stage {
    display: none;
  }

  .reference-link {
    grid-template-columns: 2rem minmax(0, 1fr) auto;
    min-height: auto;
    padding: 1.5rem 0 2rem;
  }

  .reference-thumb {
    display: block;
    grid-column: 2 / -1;
    aspect-ratio: 1.48 / 1;
    margin-top: 1rem;
    object-fit: cover;
    object-position: top;
  }

  .approach-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .section-head {
    grid-template-columns: 1fr;
    gap: 1.2rem;
  }

  .hero {
    grid-template-rows: minmax(31rem, 68svh) minmax(12rem, 32svh);
  }

  .hero-copy {
    justify-content: flex-end;
  }

  .hero .eyebrow {
    margin-bottom: 1rem;
  }

  .hero-title {
    font-size: clamp(4.2rem, 24vw, 7.2rem);
  }

  .hero-bottom {
    grid-template-columns: 1fr;
  }

  .hero-bottom .text-link {
    display: none;
  }

  .hero-intro {
    font-size: 1.05rem;
  }

  .solution-media {
    aspect-ratio: 1.15 / 1;
  }

  .contact-inner {
    padding-top: 7rem;
  }

  .contact-link {
    grid-template-columns: 1fr;
    align-items: start;
  }

  .contact-link::after {
    justify-self: end;
  }

  .contact-meta,
  .site-footer {
    grid-template-columns: 1fr;
    flex-direction: column;
  }

  .site-footer {
    display: flex;
  }

  .footer-center,
  .footer-right {
    text-align: left;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }

  .hero .eyebrow,
  .hero-title,
  .hero-bottom,
  .reveal {
    opacity: 1;
    transform: none;
  }
}