@import url('https://api.fontshare.com/v2/css?f[]=switzer@700,400&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Inter:ital,wght@0,300;0,400;1,300;1,400&display=swap');

/* 1. DESIGN TOKENS */
:root {
  --dark:             #2A2E37;
  --lavender-primary: #484F5E;
  --yellow-primary:   #F2DAAC;
  --gray-1:           #F5F5F4;
  --gray-2:           #E7E7E4;
  --gray-3:           #ADADAB;
  --gray-4:           #515150;
  --green:            #648C65;
  --font-heading: 'Switzer', sans-serif;
  --font-body:    'Inter', sans-serif;
  --space-sm:  16px;
  --space-md:  32px;
  --space-lg:  48px;
  --space-xl:  80px;
  --pad-x:     160px;
  --radius:    4px;
  --size-page-title:    clamp(70px, 11vw, 130px);  /* Seitentitel (PROJEKTE, KONTAKT …) */
  --size-project-title: clamp(36px, 5vw, 64px);    /* Projekttitel Detailseite */
  --size-display-sm:    clamp(28px, 4vw, 48px);    /* Nächstes Projekt, 404-Untertitel */
  --size-lead:          clamp(22px, 3vw, 32px);    /* h2 mit Scroll-Reveal */
  --size-statement:     clamp(18px, 2.5vw, 26px);  /* Bio / Statement-Text */
  --size-quote:         clamp(16px, 1.8vw, 21px);  /* Testimonial-Zitat */
  --size-h2:            40px;                       /* Normale h2-Überschriften */
  --size-body:          16px;                       /* Fliesstext, Formulare */
  --size-label:         14px;                       /* Nav, Buttons, Labels */
  --size-xs:            13px;                       /* Kleine Infotexte */
  --size-xxs:           11px;                       /* Sehr kleine Texte (Autor-Rolle, 404-Code) */
}

/* 2. RESET & BASE */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: auto; overflow-x: hidden; }

body {
  background: var(--dark);
  color: var(--gray-1);
  font-family: var(--font-body);
  font-size: var(--size-body);
  line-height: 1.65;
}

a { color: var(--yellow-primary); }
section { position: relative; }

/* 3. TYPOGRAPHY */
.page-title { font-family: var(--font-heading); font-weight: 700; font-size: var(--size-page-title); color: var(--gray-1); line-height: 0.95; letter-spacing: -0.02em; }
.project-detail-title { font-size: var(--size-project-title); line-height: 1.1; }
h2 { font-family: var(--font-heading); font-weight: 700; font-size: var(--size-h2); color: var(--yellow-primary); line-height: 1.1; }
.about-bio-box p { font-family: var(--font-heading); font-weight: 700; font-size: var(--size-statement); line-height: 1.35; }
.testimonial-quote {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: var(--size-quote);
  color: var(--dark);
  line-height: 1.75;
  margin-bottom: 36px;
  transform: translate(calc(var(--qx, 0) * 1px), calc(var(--qy, 0) * 1px));
  transition: transform 0.9s cubic-bezier(0.23, 1, 0.32, 1);
}
.small { font-size: var(--size-label); font-weight: 300; color: var(--gray-3); }
.section-label { font-size: var(--size-label); color: var(--gray-3); text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 16px; }

/* 4. NAVIGATION */
nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 28px var(--pad-x);
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  cursor: auto;
  pointer-events: none;
}
.nav-logo {
  text-decoration: none;
  pointer-events: all;
  opacity: 0.7;
  transition: opacity 0.2s;
  display: flex;
  align-items: center;
}
.nav-logo img   { height: 28px; width: auto; display: block; }
.nav-logo:hover { opacity: 1; }

.nav-links { display: flex; gap: 36px; list-style: none; pointer-events: all; }
.nav-links a {
  font-size: var(--size-label);
  color: var(--yellow-primary);
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  transition: opacity 0.2s, color 0.4s ease;
  opacity: 0.75;
}
.nav-links a:hover,
.nav-links a.active { opacity: 1; }

nav.nav-dark .nav-links a,
nav.nav-dark .lang-toggle { color: var(--dark); }
nav.nav-dark .nav-logo    { filter: invert(1) brightness(0.3); }
nav.nav-dark .lang-item   { border-color: rgba(42,46,55,0.2); }

/* Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  pointer-events: all;
  z-index: 201;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--yellow-primary);
  transition: transform 0.3s, opacity 0.3s;
}
.nav-toggle.is-open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; }
.nav-toggle.is-open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }
nav.nav-dark .nav-toggle span { background: var(--dark); }

.lang-item { border-left: 1px solid rgba(242,218,172,0.2); padding-left: 36px; }
.lang-toggle {
  background: none;
  border: none;
  font-size: var(--size-label);
  color: var(--yellow-primary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  cursor: pointer;
  font-family: var(--font-body);
  opacity: 0.75;
  transition: opacity 0.2s, color 0.4s ease;
  padding: 0;
}
.lang-toggle:hover { opacity: 1; }

/* 5. BUTTONS & LINKS */
.cta-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: var(--size-label);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--yellow-primary);
  text-decoration: none;
  border-bottom: 1px solid var(--yellow-primary);
  padding-bottom: 2px;
  transition: gap 0.2s, opacity 0.2s, transform 0.4s cubic-bezier(0.23, 1, 0.32, 1);
}
.cta-link:hover { gap: 10px; opacity: 0.7; }
.cta-link.light { color: var(--dark); border-color: var(--dark); }
.cta-link.gray  { color: var(--gray-3); border-color: var(--gray-3); }

.page-back {
  display: inline-block;
  font-size: var(--size-label);
  color: var(--gray-2);
  text-decoration: none;
  margin-bottom: 16px;
  transition: color 0.2s;
}
.page-back:hover { color: var(--gray-1); }

.filter-btn {
  font-size: var(--size-label);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--gray-4);
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-body);
  transition: color 0.2s, transform 0.4s cubic-bezier(0.23, 1, 0.32, 1);
}
.filter-btn:hover,
.filter-btn.active { color: var(--gray-1); }

/* 6. SCROLL SNAP */
.snap-container {
  height: 100vh;
  overflow-y: scroll;
  scroll-snap-type: y mandatory;
  overscroll-behavior-y: contain;
  -webkit-overflow-scrolling: touch;
}
.snap-container > section,
.snap-container > footer {
  scroll-snap-align: start;
  min-height: 100vh;
  will-change: transform;
  contain: layout style;
}

/* 7. HERO */
.hero {
  display: flex;
  flex-direction: column;
  background: var(--dark);
}
.hero-image {
  position: relative;
  margin: 88px 0 40px;
  height: calc(100vh - 128px);
  overflow: hidden;
  border-radius: var(--radius);
  will-change: clip-path;
}
.hero-image > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  display: block;
}
.hero-logo-wrap {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 20px;
}
.hero-logo {
  width: clamp(120px, 18vw, 320px);
  height: auto;
  display: block;
}

/* 8. PROJECT GRID & CARDS */
.projects-section { background: var(--dark); padding: 80px var(--pad-x); position: relative; z-index: 1; display: flex; flex-direction: column; justify-content: center; }
.projects-meta { display: flex; align-items: center; margin: 40px 0 32px; }
.grid-2col { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; }
.project-card {
  position: relative;
  aspect-ratio: 4/3;
  overflow: hidden;
  border-radius: var(--radius);
  cursor: pointer;
  background: var(--lavender-primary);
  display: block;
  text-decoration: none;
}
.project-card img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; display: block; }
.project-card:hover img { transform: scale(1.04); }

.project-card-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(42,46,55,0.8) 0%, transparent 50%);
  opacity: 0; transition: opacity 0.3s;
  display: flex; align-items: flex-end; padding: 16px;
}
.project-card:hover .project-card-overlay { opacity: 1; }

.project-card-name,
.project-label {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: var(--size-body);
  display: flex;
  align-items: center;
}
.project-card-name { color: var(--yellow-primary); gap: 6px; }
.project-label {
  position: absolute;
  bottom: 16px; left: 16px;
  color: var(--gray-1);
  gap: 8px;
  transition: opacity 0.3s;
}
.project-card:hover .project-label { opacity: 0; }

/* 9. TESTIMONIAL */
.testimonial-section {
  background: var(--yellow-primary);
  padding: 80px var(--pad-x);
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}
.testimonial-editorial {
  max-width: 680px;
  width: 100%;
  position: relative;
}
.testimonial-label {
  font-size: var(--size-label);
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: rgba(42,46,55,0.7);
  margin-bottom: 28px;
  transition: letter-spacing 0.5s ease, opacity 0.5s ease;
}
.testimonial-section:hover .testimonial-label {
  letter-spacing: 0.32em;
  opacity: 0.7;
}
.testimonial-editorial::before {
  content: '\201C';
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: clamp(180px, 24vw, 320px);
  line-height: 0.75;
  color: var(--dark);
  opacity: 0.15;
  position: absolute;
  top: -0.08em;
  left: -0.06em;
  pointer-events: none;
  user-select: none;
  transform: translate(calc(var(--tx, 0) * 1px), calc(var(--ty, 0) * 1px));
  transition: transform 0.6s cubic-bezier(0.23, 1, 0.32, 1), opacity 0.5s ease;
}
.testimonial-section:hover .testimonial-editorial::before { opacity: 0.25; }

@media (hover: none) {
  .testimonial-editorial::before {
    animation: quoteFloat 7s ease-in-out infinite;
  }
}
@keyframes quoteFloat {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-18px); }
}

.testimonial-author { display: flex; align-items: center; gap: 14px; }
.author-avatar      { width: 40px; height: 40px; border-radius: 50%; object-fit: cover; }
.author-info        { display: flex; flex-direction: column; }
.author-name        { font-size: var(--size-xs); font-weight: 400; color: var(--dark); }
.author-title       { font-size: var(--size-xxs); color: rgba(42,46,55,0.55); }

/* 10. ABOUT ME (index.html) */
.about-me-section { background: var(--dark); padding: 80px var(--pad-x); display: flex; align-items: center; justify-content: center; position: relative; z-index: 1; }
.about-me-box {
  display: flex;
  align-items: center;
  gap: 60px;
  background: var(--lavender-primary);
  border-radius: var(--radius);
  overflow: hidden;
  max-width: 860px;
  width: 100%;
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.about-me-box.reveal             { opacity: 0; transform: translateY(20px); }
.about-me-box.reveal.is-visible  { opacity: 1; transform: translateY(0); }
.about-me-img-wrap {
  position: relative;
  width: 40%;
  flex-shrink: 0;
  overflow: hidden;
}
.about-me-img-wrap::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(42,46,55,0.65) 0%, transparent 55%);
  opacity: 0;
  transition: opacity 0.3s;
  pointer-events: none;
}
.about-me-box:hover .about-me-img-wrap::after { opacity: 1; }
.about-me-img {
  width: 100%;
  aspect-ratio: 3/4;
  object-fit: cover;
  object-position: center top;
  display: block;
  transform: scale(1.06);
  transition: transform 0.6s cubic-bezier(0.23, 1, 0.32, 1);
}
.about-me-text {
  padding: 48px 48px 48px 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: transform 0.9s cubic-bezier(0.23, 1, 0.32, 1);
}

.about-me-body p { font-size: var(--size-xs); color: var(--gray-2); line-height: 1.75; }

.about-teaser    { background: var(--dark); padding: 120px var(--pad-x); }
.about-teaser h2,
h2.reveal        { font-size: var(--size-lead); }
.cta-section     { background: var(--yellow-primary); padding: 120px var(--pad-x); }
.cta-section h2  { color: var(--dark); max-width: 580px; margin-bottom: 32px; }

/* 11. FOOTER */
footer {
  background: var(--dark);
  padding: 80px 0 48px;
  position: relative;
  overflow: hidden;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
}
footer::before {
  content: '';
  display: block;
  width: min(600px, 60%);
  height: 1.5px;
  background: rgba(245, 245, 244, 0.35);
  margin: 0 auto 80px;
}
.footer-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0 40px;
  width: min(860px, 100%);
  margin: 40px 0 48px;
  position: relative;
  z-index: 2;
  text-align: left;
}
.footer-grid > div { display: flex; flex-direction: column; align-items: flex-start; }
.footer-col-title,
.footer-desc { font-size: var(--size-xs); color: var(--gray-2); }
.footer-col-title { margin-bottom: 16px; font-weight: 300; }
.footer-desc      { font-weight: 300; line-height: 1.6; }

.footer-links    { list-style: none; }
.footer-links li { margin-bottom: 8px; }
.footer-links a {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: var(--size-label);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--yellow-primary);
  text-decoration: none;
  transition: opacity 0.2s;
}
.footer-links a:hover { opacity: 0.7; }

.footer-bottom {
  width: min(860px, 100%);
  margin: 32px 0 0;
  text-align: right;
  position: relative;
  z-index: 2;
}
.footer-copy { font-size: var(--size-label); color: var(--gray-2); font-weight: 300; }

.footer-watermark {
  position: absolute;
  bottom: -0.2em;
  left: 0; right: 0;
  text-align: center;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: clamp(80px, 14vw, 180px);
  color: rgba(100,113,140,0.25);
  letter-spacing: -0.02em;
  user-select: none;
  pointer-events: none;
  line-height: 1;
  z-index: 1;
}

/* 12. PAGE HEADER */
.page-header       { padding: 120px var(--pad-x) 0; background: var(--dark); }
.page-header-inner { max-width: 1248px; margin: 0 0 0 -15px; }

/* 13. PROJECT DETAIL */
.project-detail-section               { background: var(--dark); padding: var(--space-md) var(--pad-x) 0; }
.project-detail-section:first-of-type { padding-top: var(--space-xl); }
.project-detail-section:last-of-type  { padding-bottom: var(--space-xl); }
.project-detail-content               { padding: 0; }
.project-detail-content .about-bio-box { padding: 0; margin-bottom: 0; }

.project-meta { display: grid; grid-template-columns: repeat(3, auto); grid-template-rows: auto auto; gap: 4px 48px; margin-bottom: 40px; justify-content: start; }
.project-meta > p:nth-child(1) { grid-area: 1 / 1; }
.project-meta > p:nth-child(2) { grid-area: 2 / 1; }
.project-meta > p:nth-child(3) { grid-area: 1 / 2; }
.project-meta > p:nth-child(4) { grid-area: 2 / 2; }
.project-meta > p:nth-child(5) { grid-area: 1 / 3; }
.project-meta > p:nth-child(6) { grid-area: 2 / 3; }

.project-meta-label { font-size: var(--size-label); text-transform: uppercase; letter-spacing: 0.08em; color: var(--gray-4); margin-bottom: 4px; }
.project-meta-value { margin-bottom: 20px; }

.project-fullwidth     { padding: var(--space-xl) var(--pad-x); }
.project-fullwidth img { width: 100%; display: block; }

.project-video-wrap { position: relative; padding-bottom: 56.25%; height: 0; overflow: hidden; }
.project-video-wrap iframe,
.project-video-wrap video { position: absolute; inset: 0; width: 100%; height: 100%; border: none; }

.project-next { background: var(--dark); padding: 48px var(--pad-x); margin-top: 80px; }
.project-next-inner { max-width: 1000px; margin: 0 auto; display: flex; justify-content: space-between; align-items: flex-end; gap: 40px; }
.project-nav-item  { padding: 24px 0; }
.project-nav-right { text-align: left; }
.project-next-name { font-family: var(--font-heading); font-weight: 700; font-size: var(--size-display-sm); color: var(--gray-1); margin-top: 8px; }

/* 14. SHARED LAYOUT */
.about-content,
.contact-inner,
.projects-intro,
.project-detail-content,
.about-teaser-inner,
.cta-inner {
  max-width: 1000px;
  margin: 0 auto;
}
.project-detail-content > div:empty,
.projects-intro > div:empty,
.about-teaser-inner > div:empty,
.cta-inner > div:empty { display: none; }

.about-section               { background: var(--dark); padding: var(--space-md) var(--pad-x) 0; }
.about-section:first-of-type { padding-top: var(--space-xl); }
.about-section:last-of-type  { padding-bottom: var(--space-xl); }
.contact-section,
.projects-page-section { background: var(--dark); padding: 80px var(--pad-x); }

.projects-header { display: flex; justify-content: space-between; align-items: baseline; margin: 0 auto 8px; max-width: 1200px; }

/* 15. ABOUT PAGE */
.about-bio-box        { padding: 24px; margin-bottom: 40px; }
.about-bio-box p      { color: var(--yellow-primary); }
.about-cols           { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; padding-top: 32px; }
.about-col:only-child { grid-column: 1 / -1; }
.about-col-label { font-size: var(--size-label); text-transform: uppercase; letter-spacing: 0.1em; color: var(--gray-4); margin-bottom: 12px; }
.about-col p,
.about-col ul li,
.project-meta-value,
.projects-desc { font-size: var(--size-xs); color: var(--gray-3); line-height: 1.75; }
.about-col p   { margin-bottom: 12px; }
.about-col ul  { list-style: none; }
.about-col ul li { line-height: 2; }
.projects-desc { margin-bottom: 32px; }

.photo-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4px; padding: 0 var(--pad-x) var(--space-xl); margin-top: var(--space-xl); }
.photo-grid img { width: 100%; aspect-ratio: 4/3; object-fit: cover; display: block; filter: grayscale(20%); border-radius: var(--radius); }
.photo-grid img:nth-child(2) { object-position: center 80%; }

/* 16. CONTACT PAGE */
.contact-sidebar { padding-top: 8px; }
.contact-form-label,
.form-group label { font-size: var(--size-label); text-transform: uppercase; letter-spacing: 0.08em; color: var(--gray-3); }
.contact-form-label { margin-bottom: 24px; }
.form-group label   { display: block; margin-bottom: 8px; }

.contact-sidebar-email       { font-size: var(--size-xs); color: var(--gray-2); text-decoration: none; }
.contact-sidebar-email:hover { color: var(--yellow-primary); }

.form-group { margin-bottom: 24px; }
.form-group input,
.form-group textarea {
  width: 100%;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--gray-3);
  padding: 10px 0;
  font-family: var(--font-body);
  font-size: var(--size-body);
  color: var(--gray-1);
  outline: none;
  transition: border-color 0.2s;
  resize: none;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--gray-4); }
.form-group input:focus,
.form-group textarea:focus         { border-color: var(--yellow-primary); }
.form-group textarea               { min-height: 140px; }

.submit-btn {
  width: 100%;
  background: var(--gray-1);
  color: var(--dark);
  border: none;
  padding: 18px 32px;
  font-family: var(--font-heading);
  font-size: var(--size-body);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  cursor: pointer;
  transition: background 0.2s, color 0.2s, transform 0.4s cubic-bezier(0.23, 1, 0.32, 1);
  margin-top: 16px;
}
.submit-btn:hover { background: var(--yellow-primary); color: var(--dark); }

/* 17. LIGHTBOX */
.lightbox-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 4px;
  max-width: 1000px;
  margin: var(--space-xl) auto 0;
}
.lightbox-grid img,
.lightbox-grid video {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  display: block;
  transition: opacity 0.2s;
  border-radius: var(--radius);
}
.lightbox-grid img                   { cursor: zoom-in; }
.lightbox-grid img:hover,
.lightbox-grid video:hover           { opacity: 0.85; }
.lightbox-grid video[controls]       { grid-column: 1 / -1; aspect-ratio: 16 / 9; cursor: default; }
.lightbox-grid video[controls]:hover { opacity: 1; }

.shorts-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}
.shorts-item { position: relative; padding-bottom: 177.78%; height: 0; overflow: hidden; border-radius: var(--radius); }
.shorts-item iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: none; }

.lightbox-overlay {
  position: fixed;
  inset: 0;
  background: rgba(42,46,55,0.97);
  z-index: 500;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s;
}
.lightbox-overlay.is-open { opacity: 1; pointer-events: all; }
.lightbox-overlay img,
.lightbox-overlay video   { max-width: 90vw; max-height: 85vh; object-fit: contain; display: block; }
.lightbox-overlay video   { align-self: flex-start; margin-top: 48px; }

.lightbox-close {
  position: absolute;
  top: 24px; right: 32px;
  font-size: 28px;
  color: var(--gray-1);
  background: none; border: none;
  cursor: pointer;
  opacity: 0.6;
  transition: opacity 0.2s;
  line-height: 1;
}
.lightbox-close:hover { opacity: 1; }

.lightbox-prev,
.lightbox-next {
  position: absolute;
  top: 50%; transform: translateY(-50%);
  background: none; border: none;
  color: var(--gray-1);
  font-size: var(--size-label);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  opacity: 0.5;
  transition: opacity 0.2s;
  padding: 20px;
}
.lightbox-prev:hover,
.lightbox-next:hover { opacity: 1; }
.lightbox-prev { left: 20px; }
.lightbox-next { right: 20px; }

.lightbox-counter {
  position: absolute;
  bottom: 24px;
  left: 50%; transform: translateX(-50%);
  font-size: var(--size-label);
  color: var(--gray-3);
  letter-spacing: 0.1em;
}

/* 18. ANIMATIONS */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
.fade-up         { opacity: 0; animation: fadeUp 0.7s ease forwards; }
.fade-up.delay-2 { animation-delay: 0.2s; }

.reveal            { opacity: 0; transform: translateY(28px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

.clip-reveal            { clip-path: inset(0 0 100% 0); transition: clip-path 1s cubic-bezier(0.16, 1, 0.3, 1); }
.clip-reveal.is-visible { clip-path: inset(0 0 0% 0); }

/* 19. 404 PAGE */
.error-section { min-height: 80vh; padding: 80px var(--pad-x); display: flex; align-items: center; }
.error-inner { max-width: 1200px; margin: 0 auto; width: 100%; display: grid; grid-template-columns: 120px 1fr; gap: 48px; }
.error-code  { font-size: var(--size-xxs); color: var(--gray-4); margin-bottom: 8px; }
.error-title { font-family: var(--font-heading); font-weight: 700; font-size: var(--size-display-sm); color: var(--gray-1); line-height: 1.15; margin-bottom: 32px; }

/* 20. RESPONSIVE */

/* Large: ≤1200px */
@media (max-width: 1200px) {
  :root { --pad-x: 80px; }
}

/* Medium: ≤1024px */
@media (max-width: 1024px) {
  :root { --pad-x: 48px; }
  nav                     { padding: 20px var(--pad-x); }
  .nav-links              { gap: 20px; }
  .hero-image             { height: 60vh; margin: 72px 0 24px; }
  .page-header            { padding: 100px var(--pad-x) 32px; }
  .grid-2col              { grid-template-columns: 1fr 1fr; }
  .about-me-box           { flex-direction: column; gap: 0; }
  .about-me-img-wrap      { width: 100%; }
  .about-me-img           { aspect-ratio: 16/9; }
  .about-me-text          { padding: 32px; }
  .project-detail-section               { padding: var(--space-sm) var(--pad-x) 0; }
  .project-detail-section:first-of-type { padding-top: var(--space-lg); }
  .project-detail-section:last-of-type  { padding-bottom: var(--space-lg); }
  .project-fullwidth      { padding: var(--space-lg) var(--pad-x); }
  .project-next           { padding: 40px var(--pad-x); }
  .project-next-inner     { flex-direction: column; gap: 24px; }
  .about-cols             { grid-template-columns: 1fr; }
  .photo-grid             { grid-template-columns: 1fr 1fr; padding: 0 var(--pad-x) var(--space-lg); }
  .lightbox-grid          { padding: 0 var(--pad-x); }
  footer                  { padding: 48px var(--pad-x) 32px; }
  .error-inner            { grid-template-columns: 1fr; }
  .error-section          { padding: 80px var(--pad-x); }
}

/* Small tablet / Hamburger: ≤768px */
@media (max-width: 768px) {
  :root { --pad-x: 32px; --size-page-title: clamp(52px, 11vw, 80px); }
  .nav-toggle { display: flex; }
  .nav-links {
    display: none;
    position: fixed;
    inset: 0;
    background: var(--dark);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 40px;
    z-index: 200;
  }
  .nav-links.is-open      { display: flex; }
  .nav-links a            { font-size: 22px; letter-spacing: 0.08em; opacity: 0.85; }
  .nav-links a:hover,
  .nav-links a.active     { opacity: 1; }
  .hero-image             { height: 55vh; margin: 64px 0 20px; }
  .page-header            { padding-top: 80px; padding-bottom: 24px; }
  .page-header-inner      { margin-left: 0; }
  .project-next-inner     { flex-direction: row; align-items: flex-start; }
  .project-nav-right      { text-align: right; }
  .testimonial-section    { padding: 40px var(--pad-x); }
  .snap-container > .testimonial-section { min-height: unset; }
  footer                  { padding: 40px var(--pad-x) 24px; }
  .contact-section,
  .projects-page-section           { padding-top: 48px; padding-bottom: 48px; }
  .about-section:first-of-type     { padding-top: 48px; }
  .about-section:last-of-type      { padding-bottom: var(--space-lg); }
  .about-bio-box                   { margin-bottom: 24px; }
  .about-cols                      { padding-top: 16px; gap: 24px; }
  .photo-grid                      { margin-top: var(--space-lg); }
  .contact-sidebar                 { margin-bottom: 24px; }
}

/* Small: ≤640px */
@media (max-width: 640px) {
  :root { --pad-x: 20px; --size-page-title: clamp(40px, 11vw, 56px); }
  .about-me-text          { padding: 24px; }
  .photo-grid             { grid-template-columns: 1fr; }
  .shorts-grid            { grid-template-columns: 1fr 1fr; }
  .project-detail-section:first-of-type { padding-top: var(--space-md); }
  .project-detail-section:last-of-type  { padding-bottom: var(--space-md); }
  .page-header                       { padding-bottom: 16px; }
  .contact-section,
  .projects-page-section           { padding-top: 20px; padding-bottom: 32px; }
  .about-section:first-of-type     { padding-top: 20px; }
  .about-section:last-of-type      { padding-bottom: var(--space-md); }
  .about-cols                      { padding-top: 8px; gap: 20px; }
  .photo-grid                      { margin-top: var(--space-md); }
}

/* Extra small: ≤480px */
@media (max-width: 480px) {
  :root { --pad-x: 16px; --size-page-title: clamp(32px, 10vw, 46px); }
  .grid-2col              { grid-template-columns: 1fr; gap: 8px; }
  .snap-container         { scroll-snap-type: none; }
  .snap-container > section,
  .snap-container > footer { min-height: unset; }
}

/* Extra extra small: ≤360px */
@media (max-width: 360px) {
  :root {
    --pad-x:            12px;
    --size-body:        13px;
    --size-label:       11px;
    --size-xs:          11px;
    --size-h2:          28px;
    --size-display-sm:  clamp(20px, 6vw, 32px);
    --size-page-title:  clamp(26px, 9vw, 36px);
  }
  .hero-image             { height: 50vh; }
  .hero-logo              { width: clamp(80px, 40vw, 160px); }
  .shorts-grid            { grid-template-columns: 1fr; }
  .project-meta           { grid-template-columns: 1fr 1fr; }
}

@media (hover: none) {
  .project-card-overlay         { opacity: 1; }
  .project-card .project-label  { opacity: 0; }
}