/* ============================================
   INVERSE PROJECT — Design System & Styles
   ============================================ */

/* --- Custom Properties --- */
:root {
  /* Colors */
  --color-bg: #FAFAF8;
  --color-bg-warm: #F5F3EF;
  --color-bg-dark: #1A1A1A;
  --color-text: #1A1A1A;
  --color-text-light: #6B6B6B;
  --color-text-muted: #999999;
  --color-text-on-dark: #F5F3EF;
  --color-accent: #C8B800;
  --color-accent-light: #E6D918;
  --color-border: #E0DDD7;
  --color-border-light: #EEECE8;
  --color-overlay: rgba(26, 26, 26, 0.4);

  /* Typography */
  --font-heading: 'Inter', 'Helvetica Neue', Arial, sans-serif;
  --font-body: 'Inter', 'Helvetica Neue', Arial, sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', monospace;

  /* Type Scale */
  --text-xs: clamp(0.7rem, 0.65rem + 0.25vw, 0.75rem);
  --text-sm: clamp(0.8rem, 0.75rem + 0.25vw, 0.875rem);
  --text-base: clamp(0.95rem, 0.9rem + 0.25vw, 1.05rem);
  --text-lg: clamp(1.1rem, 1rem + 0.5vw, 1.3rem);
  --text-xl: clamp(1.4rem, 1.1rem + 1.5vw, 2rem);
  --text-2xl: clamp(1.8rem, 1.3rem + 2.5vw, 3rem);
  --text-3xl: clamp(2.2rem, 1.5rem + 3.5vw, 4.5rem);
  --text-hero: clamp(2.8rem, 1.8rem + 5vw, 7rem);

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;
  --space-3xl: 10rem;

  /* Layout */
  --max-width: 1400px;
  --max-width-text: 720px;
  --gutter: clamp(1.5rem, 3vw, 4rem);
  --header-height: 80px;

  /* Transitions */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --duration-fast: 0.2s;
  --duration-normal: 0.4s;
  --duration-slow: 0.8s;

  color-scheme: light dark;
}


/* --- Dark Mode --- */
[data-theme="dark"] {
  --color-bg: #141414;
  --color-bg-warm: #1C1C1C;
  --color-bg-dark: #0A0A0A;
  --color-text: #E8E6E1;
  --color-text-light: #A0A0A0;
  --color-text-muted: #6B6B6B;
  --color-text-on-dark: #E8E6E1;
  --color-accent: #E6D918;
  --color-accent-light: #EDE44A;
  --color-border: #2A2A2A;
  --color-border-light: #222222;
  --color-overlay: rgba(0, 0, 0, 0.5);
}

[data-theme="dark"] .header--scrolled {
  background-color: rgba(20, 20, 20, 0.92);
}

[data-theme="dark"] .header--dark.header--scrolled {
  color: var(--color-text);
}

[data-theme="dark"] .nav__mobile-overlay {
  background: var(--color-bg);
}

[data-theme="dark"] .project-card__overlay {
  background: linear-gradient(
    to top,
    rgba(0, 0, 0, 0.7) 0%,
    transparent 50%
  );
}

[data-theme="dark"] .btn:hover {
  background-color: var(--color-text);
  color: var(--color-bg);
}

/* Dark mode toggle button */
.dark-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: transparent;
  border: 1px solid var(--color-border);
  color: var(--color-text);
  cursor: pointer;
  transition: border-color var(--duration-fast), background-color var(--duration-fast);
  margin-left: var(--space-md);
  flex-shrink: 0;
}

.header--dark .dark-toggle {
  border-color: rgba(255, 255, 255, 0.35);
  color: var(--color-text-on-dark);
}

.header--dark.header--scrolled .dark-toggle {
  border-color: var(--color-border);
  color: var(--color-text);
}

.dark-toggle:hover {
  border-color: var(--color-text);
  background-color: var(--color-bg-warm);
}

.dark-toggle svg {
  width: 16px;
  height: 16px;
}

.dark-toggle__sun { display: none; }
.dark-toggle__moon { display: block; }

[data-theme="dark"] .dark-toggle__sun { display: block; }
[data-theme="dark"] .dark-toggle__moon { display: none; }


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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  transition: background-color 0.3s ease, color 0.3s ease;
}

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

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

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

ul, ol {
  list-style: none;
}


/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 300;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

h1 { font-size: var(--text-3xl); }
h2 { font-size: var(--text-2xl); }
h3 { font-size: var(--text-xl); }
h4 { font-size: var(--text-lg); }

p {
  max-width: var(--max-width-text);
}

.text-sm { font-size: var(--text-sm); }
.text-xs { font-size: var(--text-xs); }
.text-muted { color: var(--color-text-light); }
.recognition-link { color: inherit; text-decoration: none; border-bottom: 1px solid var(--color-border); transition: color 0.2s, border-color 0.2s; }
.recognition-link:hover { color: var(--color-accent); border-color: var(--color-accent); }
.text-label {
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  font-weight: 500;
}


/* --- Layout --- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.container--narrow {
  max-width: var(--max-width-text);
}

.section {
  padding: var(--space-2xl) 0;
}

.section--large {
  padding: var(--space-3xl) 0;
}

.grid {
  display: grid;
  gap: var(--space-md);
}

.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }

@media (max-width: 768px) {
  .grid--2, .grid--3 { grid-template-columns: 1fr; }
}


/* --- Header / Navigation --- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-height);
  display: flex;
  align-items: center;
  padding: 0 var(--gutter);
  transition: background-color var(--duration-normal) var(--ease-out),
              backdrop-filter var(--duration-normal) var(--ease-out);
}

.header--scrolled {
  background-color: rgba(250, 250, 248, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.header--dark {
  color: var(--color-text-on-dark);
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

.header--dark.header--scrolled {
  text-shadow: none;
}

.header--dark.header--scrolled {
  color: var(--color-text);
}

.header__inner {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header__logo {
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: 400;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  display: flex;
  align-items: center;
}

.header__logo span {
  font-weight: 300;
  opacity: 0.6;
}

.header__logo-img {
  height: 30px;
  width: auto;
  display: block;
}

/* Show dark-text logo by default (light header / scrolled state) */
.header__logo-img--on-dark  { display: none; }
.header__logo-img--on-light { display: block; }

/* Show white-text logo when header is over a dark hero (not yet scrolled) */
.header--dark:not(.header--scrolled) .header__logo-img--on-dark  { display: block; }
.header--dark:not(.header--scrolled) .header__logo-img--on-light { display: none; }

/* In dark mode, always show white logo (dark header background) */
[data-theme="dark"] .header__logo-img--on-dark  { display: block; }
[data-theme="dark"] .header__logo-img--on-light { display: none; }

.header__inner nav {
  display: flex;
  align-items: center;
  gap: 0;
}

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

.nav__link {
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 400;
  position: relative;
  padding: 0.25rem 0;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background: currentColor;
  transition: width var(--duration-normal) var(--ease-out);
}

.nav__link:hover::after,
.nav__link--active::after {
  width: 100%;
}

/* Mobile Nav Toggle */
.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 28px;
  padding: 4px 0;
}

.nav__toggle span {
  display: block;
  height: 1px;
  background: currentColor;
  transition: transform var(--duration-normal) var(--ease-out),
              opacity var(--duration-fast);
}

.nav__toggle.is-active span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}
.nav__toggle.is-active span:nth-child(2) {
  opacity: 0;
}
.nav__toggle.is-active span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

/* Mobile Nav */
.nav__mobile-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--color-bg);
  z-index: 99;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: var(--space-lg);
  opacity: 0;
  transition: opacity var(--duration-slow) var(--ease-out);
}

.nav__mobile-overlay.is-open {
  display: flex;
  opacity: 1;
}

.nav__mobile-overlay a {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: 300;
  letter-spacing: 0.05em;
}

@media (max-width: 900px) {
  .nav__list { display: none; }
  .nav__toggle { display: flex; }
}


/* --- Hero --- */
.hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
}

.hero__image {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* --- Hero Slideshow --- */
.hero__slideshow {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero__slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 2.5s ease-in-out;
}

.hero__slide.is-active {
  opacity: 1;
}

/* --- Slideshow Controls --- */
.slideshow-controls {
  position: absolute;
  bottom: var(--space-lg);
  right: var(--gutter);
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 6px;
}

.slideshow-dot {
  width: 9px;
  height: 9px;
  background: rgba(255,255,255,0.25);
  border: none;
  border-radius: 1px;
  cursor: pointer;
  padding: 0;
  transition: opacity 0.3s ease, transform 0.3s ease;
  flex-shrink: 0;
  opacity: 0.5;
}

.slideshow-dot.is-active {
  transform: scaleX(2.0);
  opacity: 1;
}

.slideshow-dot:hover:not(.is-active) {
  opacity: 0.8;
}

.slideshow-arrow {
  width: 28px;
  height: 28px;
  background: none;
  border: 1px solid rgba(255,255,255,0.35);
  border-radius: 1px;
  color: rgba(255,255,255,0.8);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  transition: border-color 0.2s ease, color 0.2s ease;
  flex-shrink: 0;
}

.slideshow-arrow:hover {
  border-color: rgba(255,255,255,0.9);
  color: #fff;
}

.slideshow-arrow svg {
  width: 12px;
  height: 12px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.hero__slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(
      to bottom,
      rgba(26, 26, 26, 0.45) 0%,
      transparent 25%
    ),
    linear-gradient(
      to top,
      rgba(26, 26, 26, 0.6) 0%,
      rgba(26, 26, 26, 0.1) 40%,
      transparent 70%
    );
  z-index: 1;
}

.hero__content {
  position: relative;
  z-index: 2;
  color: var(--color-text-on-dark);
  padding: var(--space-2xl) var(--gutter);
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
}

.hero__title {
  font-size: var(--text-hero);
  font-weight: 200;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-md);
  transition: opacity 0.8s ease;
  text-shadow: 0 1px 4px rgba(0,0,0,0.6);
}

.hero__subtitle {
  font-size: var(--text-lg);
  font-weight: 300;
  opacity: 0.85;
  max-width: 500px;
  line-height: 1.5;
  transition: opacity 0.8s ease;
  text-shadow: 0 1px 3px rgba(0,0,0,0.55);
}

.hero__title.fading,
.hero__subtitle.fading {
  opacity: 0;
}

/* Hero for inner pages (shorter) */
.hero--inner {
  height: 60vh;
  min-height: 450px;
}

.hero--inner .hero__content {
  padding-bottom: var(--space-xl);
}

/* Hero with no image (text only) */
.hero--text {
  height: auto;
  min-height: auto;
  padding: calc(var(--header-height) + var(--space-3xl)) 0 var(--space-2xl);
  background: var(--color-bg);
  align-items: flex-start;
}

.hero--text .hero__content {
  color: var(--color-text);
  padding: 0 var(--gutter);
}


/* --- Philosophy / Statement Section --- */
.statement {
  padding: var(--space-3xl) 0;
}

.statement__text {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: 200;
  line-height: 1.35;
  letter-spacing: -0.01em;
  max-width: 900px;
}

.statement__text em {
  font-style: italic;
  color: var(--color-accent);
}


/* --- Project Grid --- */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 5px;
}

.project-card {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4/3;
  cursor: pointer;
}

.project-card--featured {
  grid-column: span 2;
  aspect-ratio: 21/9;
}

.project-card__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--duration-slow) var(--ease-out);
}

.project-card:hover .project-card__image {
  transform: scale(1.03);
}

.project-card__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(26, 26, 26, 0.65) 0%,
    transparent 50%
  );
  opacity: 1;
  transition: opacity var(--duration-normal) var(--ease-out);
}

.project-card:hover .project-card__overlay {
  opacity: 1;
}

.project-card__info {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--space-lg);
  color: var(--color-text-on-dark);
  transform: translateY(0);
  opacity: 1;
  transition: transform var(--duration-normal) var(--ease-out),
              opacity var(--duration-normal) var(--ease-out);
}

.project-card:hover .project-card__info {
  transform: translateY(0);
  opacity: 1;
}

.project-card__title {
  font-size: var(--text-lg);
  font-weight: 300;
  margin-bottom: 0.25rem;
}

.project-card__meta {
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  opacity: 0.7;
}

@media (max-width: 768px) {
  .projects-grid {
    grid-template-columns: 1fr;
  }
  .project-card--featured {
    grid-column: span 1;
    aspect-ratio: 4/3;
  }
  /* Reduce intro padding on mobile so first project is visible */
  .hero--text {
    padding-top: calc(var(--header-height) + var(--space-xl));
    padding-bottom: var(--space-lg);
  }
  /* Reduce section padding above the grid */
  .section {
    padding: var(--space-lg) 0;
  }
  /* Keep filter buttons on one line — scroll if needed */
  .filter {
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    gap: var(--space-lg);
    margin-bottom: var(--space-lg);
    padding-bottom: 4px;
  }
  .filter::-webkit-scrollbar { display: none; }
  .filter__btn {
    white-space: nowrap;
    flex-shrink: 0;
  }
  .filter__jump {
    flex-shrink: 0;
  }
}


/* --- Project Filter --- */
.filter {
  display: flex;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
  flex-wrap: wrap;
}

.filter__btn {
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 400;
  color: var(--color-text-muted);
  padding: 0.5rem 0;
  border-bottom: 1px solid transparent;
  transition: color var(--duration-fast), border-color var(--duration-fast);
}

.filter__btn:hover,
.filter__btn--active {
  color: var(--color-text);
  border-bottom-color: var(--color-text);
}

.filter__jump {
  margin-left: auto;
}

.filter__jump-select {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--color-border);
  padding: 0.5rem 1.4rem 0.5rem 0;
  appearance: none;
  -webkit-appearance: none;
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%23999'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0 center;
  transition: color var(--duration-fast), border-color var(--duration-fast);
}

.filter__jump-select:hover {
  color: var(--color-text);
  border-bottom-color: var(--color-text);
}

.filter__jump-select:focus {
  outline: none;
  color: var(--color-text);
}

.filter__jump-select option {
  background: var(--color-bg);
  color: var(--color-text);
}


/* --- Project Detail Page --- */
.project-hero {
  position: relative;
  height: 85vh;
  min-height: 500px;
  overflow: hidden;
}

.project-hero__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.project-hero__overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(
      to bottom,
      rgba(26, 26, 26, 0.45) 0%,
      transparent 25%
    ),
    linear-gradient(
      to top,
      rgba(26, 26, 26, 0.5) 0%,
      transparent 40%
    );
}

.project-hero__content {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 2;
  padding: var(--space-2xl) var(--gutter);
  color: var(--color-text-on-dark);
}

.project-hero__content .container {
  padding: 0;
}

.project-intro {
  padding: var(--space-2xl) 0;
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--space-2xl);
  align-items: start;
}

.project-intro__meta {
  position: sticky;
  top: calc(var(--header-height) + var(--space-lg));
}

.project-intro__meta dl {
  display: grid;
  gap: var(--space-sm);
}

.project-intro__meta dt {
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  font-weight: 500;
}

.project-intro__meta dd {
  font-size: var(--text-sm);
  margin-bottom: var(--space-sm);
}

.project-intro__text p {
  font-size: var(--text-lg);
  font-weight: 300;
  line-height: 1.7;
  margin-bottom: var(--space-md);
}

.project-intro__text .project-concept {
  font-size: clamp(1.15rem, 1.05rem + 0.5vw, 1.45rem);
  font-weight: 400;
  font-style: italic;
  line-height: 1.6;
  color: var(--color-text);
  padding-bottom: var(--space-md);
  margin-bottom: var(--space-lg);
  border-bottom: 1px solid var(--color-border);
}

/* Video thumbnail link — opens YouTube in new tab */
.video-thumb {
  display: block;
  position: relative;
  overflow: hidden;
  background: #000;
  cursor: pointer;
}
.video-thumb img {
  width: 100%;
  display: block;
  transition: opacity 0.3s ease;
}
.video-thumb:hover img { opacity: 0.75; }
.video-thumb__play {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
  transition: transform 0.2s ease;
  filter: drop-shadow(0 2px 8px rgba(0,0,0,0.5));
}
.video-thumb:hover .video-thumb__play { transform: translate(-50%, -50%) scale(1.1); }

/* Concept sketch — white bg; inverted in dark mode for line drawings */
.diagram-sketch {
  background: white;
  display: block;
}
[data-theme="dark"] .diagram-sketch {
  filter: invert(1);
}

/* Concept & Process Diagrams — always light background for technical drawings */
.project-diagrams {
  padding: var(--space-2xl) 0;
  background: var(--color-bg);
  color: var(--color-text);
}

.diagram-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: start;
}
.diagram-split__text {
  font-size: 1rem;
  line-height: 1.8;
  padding-top: var(--space-sm);
}
.diagram-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}
.diagram-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
}
@media (max-width: 768px) {
  .diagram-split { grid-template-columns: 1fr; }
  .diagram-pair  { grid-template-columns: 1fr; }
  .diagram-grid  { grid-template-columns: 1fr; }
}

/* Project Image Gallery */
.project-gallery {
  padding: 0;
}

.project-gallery .mb-lg {
  margin-bottom: 5px;
}

.project-gallery__grid {
  display: grid;
  gap: 5px;
}

.project-gallery__grid--2 {
  grid-template-columns: repeat(2, 1fr);
}

.project-gallery__grid--3 {
  grid-template-columns: repeat(3, 1fr);
}

.project-gallery__grid--full {
  grid-template-columns: 1fr;
}

.project-gallery__grid--asymmetric {
  grid-template-columns: 2fr 1fr;
}

.project-gallery__grid--asymmetric-reverse {
  grid-template-columns: 1fr 2fr;
}

/* Single portrait image — centred at a restrained width */
.project-gallery__grid--portrait {
  grid-template-columns: 1fr;
  max-width: 55%;
  margin: 0 auto;
}

.project-gallery img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

@media (max-width: 768px) {
  .project-intro {
    grid-template-columns: 1fr;
  }
  .project-intro__meta {
    position: static;
  }
  .project-gallery__grid--2,
  .project-gallery__grid--3,
  .project-gallery__grid--asymmetric,
  .project-gallery__grid--asymmetric-reverse {
    grid-template-columns: 1fr;
  }
}


/* --- Studio / About Section --- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: center;
}

.about-grid--reverse {
  direction: rtl;
}

.about-grid--reverse > * {
  direction: ltr;
}

.about-grid__image {
  aspect-ratio: 3/4;
  overflow: hidden;
}

.about-grid__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about-grid__text h3 {
  margin-bottom: var(--space-md);
}

.about-grid__text p {
  color: var(--color-text-light);
  margin-bottom: var(--space-md);
}

@media (max-width: 768px) {
  .about-grid, .about-grid--reverse {
    grid-template-columns: 1fr;
    direction: ltr;
  }
}


/* --- Approach / Values --- */
.values-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-xl);
  padding: var(--space-xl) 0;
}

.value-item__number {
  font-family: var(--font-heading);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-sm);
}

.value-item h4 {
  margin-bottom: var(--space-sm);
}

.value-item p {
  color: var(--color-text-light);
  font-size: var(--text-sm);
}

@media (max-width: 768px) {
  .values-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}


/* --- Contact --- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  padding: var(--space-xl) 0;
}

.contact-info h3 {
  margin-bottom: var(--space-lg);
}

.contact-info__item {
  margin-bottom: var(--space-lg);
}

.contact-info__item dt {
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  font-weight: 500;
  margin-bottom: var(--space-xs);
}

.contact-info__item dd {
  font-size: var(--text-base);
}

.contact-info__item a {
  border-bottom: 1px solid var(--color-border);
  transition: border-color var(--duration-fast);
}

.contact-info__item a:hover {
  border-color: var(--color-text);
}

.contact-map {
  aspect-ratio: 1;
  overflow: hidden;
  background: var(--color-bg-warm);
}

.contact-map img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

@media (max-width: 768px) {
  .contact-grid {
    grid-template-columns: 1fr;
  }
}


/* --- Divider --- */
.divider {
  width: 100%;
  height: 1px;
  background: var(--color-border);
  border: none;
}

.divider--short {
  width: 60px;
}


/* --- Links & Buttons --- */
.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 500;
}

.link-arrow svg {
  width: 16px;
  height: 16px;
  transition: transform var(--duration-fast) var(--ease-out);
}

.link-arrow:hover svg {
  transform: translateX(4px);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.9rem 2rem;
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 500;
  border: 1px solid var(--color-text);
  transition: background-color var(--duration-fast), color var(--duration-fast);
}

.btn:hover {
  background-color: var(--color-text);
  color: var(--color-bg);
}

.btn--light {
  border-color: var(--color-text-on-dark);
  color: var(--color-text-on-dark);
}

.btn--light:hover {
  background-color: var(--color-text-on-dark);
  color: var(--color-text);
}


/* --- Footer --- */
.footer {
  padding: var(--space-2xl) 0 var(--space-xl);
  border-top: 1px solid var(--color-border);
}

.footer__inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-xl);
  flex-wrap: wrap;
}

.footer__brand {
  max-width: 300px;
}

.footer__brand .header__logo {
  margin-bottom: var(--space-sm);
}

.footer__brand p {
  font-size: var(--text-sm);
  color: var(--color-text-light);
  line-height: 1.6;
}

.footer__nav {
  display: flex;
  gap: var(--space-2xl);
}

.footer__nav-group h5 {
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  font-weight: 500;
  margin-bottom: var(--space-sm);
}

.footer__nav-group li {
  margin-bottom: 0.5rem;
}

.footer__nav-group a {
  font-size: var(--text-sm);
  color: var(--color-text-light);
  transition: color var(--duration-fast);
}

.footer__nav-group a:hover {
  color: var(--color-text);
}

.footer__bottom {
  margin-top: var(--space-2xl);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-border-light);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.footer__copyright {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.footer__social {
  display: flex;
  gap: var(--space-md);
}

.footer__social a {
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  transition: color var(--duration-fast);
}

.footer__social a:hover {
  color: var(--color-text);
}

@media (max-width: 768px) {
  .footer__inner {
    flex-direction: column;
  }
  .footer__nav {
    flex-direction: column;
    gap: var(--space-lg);
  }
}


/* --- Scroll Animations --- */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity var(--duration-slow) var(--ease-out),
              transform var(--duration-slow) var(--ease-out);
}

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

.fade-in-stagger > * {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--duration-slow) var(--ease-out),
              transform var(--duration-slow) var(--ease-out);
}

.fade-in-stagger.is-visible > * {
  opacity: 1;
  transform: translateY(0);
}

.fade-in-stagger.is-visible > *:nth-child(1) { transition-delay: 0s; }
.fade-in-stagger.is-visible > *:nth-child(2) { transition-delay: 0.1s; }
.fade-in-stagger.is-visible > *:nth-child(3) { transition-delay: 0.2s; }
.fade-in-stagger.is-visible > *:nth-child(4) { transition-delay: 0.3s; }
.fade-in-stagger.is-visible > *:nth-child(5) { transition-delay: 0.4s; }
.fade-in-stagger.is-visible > *:nth-child(6) { transition-delay: 0.5s; }


/* --- Project Sub-nav (below hero) --- */
.project-subnav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg);
}

.project-subnav__item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px var(--gutter);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  transition: color var(--duration-fast), background-color var(--duration-fast);
  text-decoration: none;
}

.project-subnav__item:hover {
  color: var(--color-text);
  background-color: var(--color-bg-warm);
}

.project-subnav__item svg {
  flex-shrink: 0;
  opacity: 0.5;
  transition: opacity var(--duration-fast), transform var(--duration-fast);
}

.project-subnav__item:hover svg { opacity: 1; }

.project-subnav__item--prev:hover svg { transform: translateX(-3px); }
.project-subnav__item--next:hover svg { transform: translateX(3px); }

.project-subnav__title {
  color: var(--color-text);
  font-weight: 400;
}

/* --- Project Navigation (Prev/Next) --- */
.project-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-top: 1px solid var(--color-border);
}

.project-nav__item {
  padding: var(--space-xl) var(--gutter);
  transition: background-color var(--duration-fast);
}

.project-nav__item:hover {
  background-color: var(--color-bg-warm);
}

.project-nav__item:last-child {
  text-align: right;
  border-left: 1px solid var(--color-border);
}

.project-nav__label {
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 0.5rem;
}

.project-nav__title {
  font-size: var(--text-lg);
  font-weight: 300;
}

@media (max-width: 768px) {
  .project-nav {
    grid-template-columns: 1fr;
  }
  .project-nav__item:last-child {
    text-align: left;
    border-left: none;
    border-top: 1px solid var(--color-border);
  }
}


/* --- Utility --- */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }
.mt-2xl { margin-top: var(--space-2xl); }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }


/* --- Favorites / Lookbook --- */

/* Heart button on gallery images */
.gallery-img-wrap {
  position: relative;
  overflow: hidden;
}

/* When gallery-img-wrap is inside a project card, it must fill the card completely */
.project-card .gallery-img-wrap {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.fav-btn {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.15);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1.5px solid rgba(255, 255, 255, 0.5);
  color: #fff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 1;
  transform: scale(1);
  transition: opacity 0.25s ease, transform 0.25s ease, background-color 0.2s ease, border-color 0.2s ease;
  z-index: 5;
}

.fav-btn:hover {
  background: rgba(0, 0, 0, 0.5);
  border-color: rgba(255, 255, 255, 0.8);
}

.fav-btn.is-faved {
  opacity: 1;
  background: rgba(180, 60, 60, 0.85);
  border-color: rgba(255, 255, 255, 0.6);
}

.fav-btn svg {
  width: 18px;
  height: 18px;
  pointer-events: none;
}

.fav-btn.is-faved svg {
  fill: currentColor;
}

/* Pinterest button on gallery images */
.pin-btn {
  position: absolute;
  top: 12px;
  right: 56px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: none;
  color: #fff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transform: scale(0.85);
  transition: opacity 0.25s ease, transform 0.25s ease, background-color 0.2s ease;
  z-index: 5;
}

.gallery-img-wrap:hover .pin-btn {
  opacity: 1;
  transform: scale(1);
}

.pin-btn:hover {
  background: rgba(189, 8, 28, 0.85);
}

.pin-btn svg {
  width: 16px;
  height: 16px;
  pointer-events: none;
}

/* Right-side favorites ribbon */
.fav-ribbon {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: 52px;
  z-index: 90;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-top: calc(var(--header-height) + var(--space-sm));
  transition: width 0.35s var(--ease-out), background-color 0.35s var(--ease-out), box-shadow 0.35s ease;
  pointer-events: none;
}

.fav-ribbon.has-items {
  pointer-events: auto;
  background: rgba(250, 250, 248, 0.6);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-left: 1px solid var(--color-border-light);
}

[data-theme="dark"] .fav-ribbon.has-items {
  background: rgba(20, 20, 20, 0.7);
}

.fav-ribbon.is-open {
  width: 260px;
  background: var(--color-bg);
  box-shadow: -4px 0 24px rgba(0, 0, 0, 0.08);
}

[data-theme="dark"] .fav-ribbon.is-open {
  background: var(--color-bg);
  box-shadow: -4px 0 24px rgba(0, 0, 0, 0.3);
}

/* Ribbon toggle / badge */
.fav-ribbon__toggle {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-bg-warm);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  position: relative;
  flex-shrink: 0;
  transition: background-color 0.2s ease;
  pointer-events: auto;
}

.fav-ribbon__toggle:hover {
  background: var(--color-border);
}

.fav-ribbon__count {
  position: absolute;
  top: -4px;
  right: -4px;
  min-width: 18px;
  height: 18px;
  border-radius: 9px;
  background: var(--color-accent);
  color: #fff;
  font-size: 10px;
  font-weight: 600;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 0 4px;
}

.fav-ribbon.has-items .fav-ribbon__count {
  display: flex;
}

.fav-ribbon__toggle svg {
  width: 18px;
  height: 18px;
}

/* Ribbon expanded content */
.fav-ribbon__panel {
  display: none;
  flex-direction: column;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.fav-ribbon.is-open .fav-ribbon__panel {
  display: flex;
}

.fav-ribbon__header {
  padding: var(--space-sm);
  border-bottom: 1px solid var(--color-border-light);
  flex-shrink: 0;
}

.fav-ribbon__header h4 {
  font-size: var(--text-sm);
  font-weight: 500;
  margin-bottom: 2px;
}

.fav-ribbon__header p {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

/* Thumbnail scroll area */
.fav-ribbon__items {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-xs);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  align-content: start;
}

.fav-ribbon__thumb {
  position: relative;
  aspect-ratio: 1;
  border-radius: 4px;
  overflow: hidden;
  cursor: pointer;
}

.fav-ribbon__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.fav-ribbon__thumb-remove {
  position: absolute;
  top: 3px;
  right: 3px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.5);
  color: #fff;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  line-height: 1;
  opacity: 0;
  transition: opacity 0.2s ease;
}

.fav-ribbon__thumb:hover .fav-ribbon__thumb-remove {
  opacity: 1;
}

/* Share actions at bottom */
.fav-ribbon__actions {
  padding: var(--space-xs) var(--space-sm) var(--space-sm);
  border-top: 1px solid var(--color-border-light);
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex-shrink: 0;
}

.fav-ribbon__action-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 8px 10px;
  border-radius: 6px;
  background: var(--color-bg-warm);
  border: 1px solid var(--color-border-light);
  color: var(--color-text);
  font-size: var(--text-xs);
  letter-spacing: 0.05em;
  cursor: pointer;
  transition: background-color 0.15s ease, border-color 0.15s ease;
}

.fav-ribbon__action-btn:hover {
  background: var(--color-border-light);
  border-color: var(--color-border);
}

.fav-ribbon__action-btn svg {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
}

.fav-ribbon__clear {
  background: none;
  border: none;
  color: var(--color-text-muted);
  font-size: var(--text-xs);
  cursor: pointer;
  padding: 4px 0;
  text-align: center;
}

.fav-ribbon__clear:hover {
  color: var(--color-text);
}

/* Empty state */
.fav-ribbon__empty {
  padding: var(--space-md) var(--space-sm);
  text-align: center;
  color: var(--color-text-muted);
  font-size: var(--text-xs);
  line-height: 1.6;
}

/* Hide ribbon on mobile — use bottom drawer instead */
@media (max-width: 768px) {
  .fav-ribbon {
    top: auto;
    bottom: 0;
    left: 0;
    right: 0;
    width: 100%;
    height: 52px;
    flex-direction: row;
    padding-top: 0;
    padding-left: var(--space-sm);
    border-left: none;
  }

  .fav-ribbon.has-items {
    border-left: none;
    border-top: 1px solid var(--color-border-light);
  }

  .fav-ribbon.is-open {
    width: 100%;
    height: 55vh;
    flex-direction: column;
    padding-left: 0;
    padding-top: var(--space-xs);
    border-top: 1px solid var(--color-border);
  }

  .fav-btn, .pin-btn {
    opacity: 1;
    transform: scale(1);
  }
}


/* --- Print --- */
@media print {
  .header, .footer, .nav__toggle, .fav-ribbon, .fav-btn, .pin-btn { display: none; }
  .hero { height: auto; min-height: auto; }
  body { font-size: 11pt; }
}


/* ── Language slider toggle ──────────────────────────────── */
.lang-toggle {
  display: inline-flex;
  align-items: center;
  position: relative;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: 20px;
  padding: 2px;
  cursor: pointer;
  opacity: 0.85;
  margin-right: 4px;
  transition: opacity var(--duration-fast), border-color var(--duration-fast);
}
.lang-toggle:hover { opacity: 1; }

.lang-toggle__thumb {
  position: absolute;
  top: 2px;
  left: 2px;
  width: calc(50% - 2px);
  bottom: 2px;
  background: var(--color-text);
  border-radius: 20px;
  transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  pointer-events: none;
}
/* Slide thumb right when ES is active — driven by <html data-lang="es"> set before paint */
html[data-lang="es"] .lang-toggle__thumb {
  transform: translateX(100%);
}

.lang-toggle__opt {
  position: relative;
  z-index: 1;
  font-family: var(--font-body);
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 3px 7px;
  line-height: 1;
  color: var(--color-text);
  transition: color 0.2s;
  pointer-events: none;
  user-select: none;
}
/* EN active by default — EN label on thumb → use bg colour (adapts in dark mode) */
.lang-toggle__opt:nth-child(1) { color: var(--color-bg); }
.lang-toggle__opt:nth-child(2) { color: var(--color-text); }
/* ES active — swap */
html[data-lang="es"] .lang-toggle__opt:nth-child(1) { color: var(--color-text); }
html[data-lang="es"] .lang-toggle__opt:nth-child(2) { color: var(--color-bg); }

/* Dark header */
.header--dark .lang-toggle {
  border-color: rgba(245, 243, 239, 0.45);
}
.header--dark .lang-toggle__thumb {
  background: rgba(245, 243, 239, 0.92);
}
/* EN active on light thumb → dark text */
.header--dark .lang-toggle__opt:nth-child(1) { color: #1A1A1A; }
.header--dark .lang-toggle__opt:nth-child(2) { color: var(--color-text-on-dark); }
/* ES active */
html[data-lang="es"] .header--dark .lang-toggle__opt:nth-child(1) { color: var(--color-text-on-dark); }
html[data-lang="es"] .header--dark .lang-toggle__opt:nth-child(2) { color: #1A1A1A; }

/* Dark header after scrolling → same as light */
.header--dark.header--scrolled .lang-toggle {
  border-color: var(--color-border);
}
.header--dark.header--scrolled .lang-toggle__thumb {
  background: var(--color-text);
}
.header--dark.header--scrolled .lang-toggle__opt:nth-child(1) { color: var(--color-bg); }
.header--dark.header--scrolled .lang-toggle__opt:nth-child(2) { color: var(--color-text); }
html[data-lang="es"] .header--dark.header--scrolled .lang-toggle__opt:nth-child(1) { color: var(--color-text); }
html[data-lang="es"] .header--dark.header--scrolled .lang-toggle__opt:nth-child(2) { color: var(--color-bg); }

@media (max-width: 420px) {
  .lang-toggle__opt {
    font-size: 0.6rem;
    padding: 2px 5px;
  }
}