/* ============================================
   STEPHANIE STIRM - INTERIOR DESIGN PORTFOLIO
   styles.css
   ============================================ */

/* ----------------------------------------
   CUSTOM FONTS - Lemon Milk
   ---------------------------------------- */
@font-face {
  font-family: 'Lemon Milk';
  src: url('../fonts/LEMONMILK-Light.otf') format('opentype');
  font-weight: 300;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Lemon Milk';
  src: url('../fonts/LEMONMILK-LightItalic.otf') format('opentype');
  font-weight: 300;
  font-style: italic;
  font-display: swap;
}

@font-face {
  font-family: 'Lemon Milk';
  src: url('../fonts/LEMONMILK-Regular.otf') format('opentype');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Lemon Milk';
  src: url('../fonts/LEMONMILK-RegularItalic.otf') format('opentype');
  font-weight: 400;
  font-style: italic;
  font-display: swap;
}

@font-face {
  font-family: 'Lemon Milk';
  src: url('../fonts/LEMONMILK-Medium.otf') format('opentype');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Lemon Milk';
  src: url('../fonts/LEMONMILK-MediumItalic.otf') format('opentype');
  font-weight: 500;
  font-style: italic;
  font-display: swap;
}

@font-face {
  font-family: 'Lemon Milk';
  src: url('../fonts/LEMONMILK-Bold.otf') format('opentype');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Lemon Milk';
  src: url('../fonts/LEMONMILK-BoldItalic.otf') format('opentype');
  font-weight: 700;
  font-style: italic;
  font-display: swap;
}

/* ----------------------------------------
   CUSTOM FONTS - Sulcant (Body Text)
   ---------------------------------------- */
@font-face {
  font-family: 'Sulcant';
  src: url('../fonts/Sulcant.otf') format('opentype');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Sulcant';
  src: url('../fonts/Sulcant Italic.otf') format('opentype');
  font-weight: 400;
  font-style: italic;
  font-display: swap;
}

/* ----------------------------------------
   CSS CUSTOM PROPERTIES (Design Tokens)
   ---------------------------------------- */
:root {
  /* Colors */
  --color-black: #000000;
  --color-white: #FFFFFF;
  --color-gray: #808080;
  --color-gray-light: #E5E5E5;
  --color-champagne: #C9A86C;

  /* Typography */
  --font-family: 'Lemon Milk', 'Arial', sans-serif;
  --font-family-body: 'Sulcant', Georgia, serif;
  --font-weight-light: 300;
  --font-weight-regular: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 500; /* Map to medium for Lemon Milk */
  --font-weight-bold: 700;

  /* Font Sizes (fluid scale) */
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.9rem + 0.5vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.6vw, 1.25rem);
  --text-xl: clamp(1.25rem, 1.1rem + 0.75vw, 1.5rem);
  --text-2xl: clamp(1.5rem, 1.25rem + 1.25vw, 2rem);
  --text-3xl: clamp(2rem, 1.5rem + 2.5vw, 3rem);
  --text-4xl: clamp(2.5rem, 2rem + 2.5vw, 4rem);

  /* Letter Spacing */
  --tracking-tight: -0.025em;
  --tracking-normal: 0;
  --tracking-wide: 0.1em;
  --tracking-wider: 0.2em;
  --tracking-widest: 0.3em;

  /* Spacing Scale */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;
  --space-5xl: 8rem;

  /* Layout */
  --max-width: 1400px;
  --header-height: 120px;
  --header-height-collapsed: 70px;

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-base: 0.25s ease;
  --transition-slow: 0.4s ease;

  /* Z-index layers */
  --z-base: 1;
  --z-header: 100;
  --z-menu: 200;
  --z-lightbox: 300;
}

/* ----------------------------------------
   DARK MODE
   ---------------------------------------- */
[data-theme="dark"] {
  --color-black: #F5F5F5;
  --color-white: #0A0A0A;
  --color-gray: #A0A0A0;
  --color-gray-light: #1A1A1A;
  --color-champagne: #D4B87A;
}

/* Smooth transition when theme changes */
html {
  transition: background-color var(--transition-base), color var(--transition-base);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  overflow-y: scroll;
}

body {
  font-family: var(--font-family);
  font-weight: var(--font-weight-regular);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--color-black);
  background-color: var(--color-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img,
picture,
video,
svg {
  display: block;
  max-width: 100%;
  height: auto;
}

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

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

ul,
ol {
  list-style: none;
}

/* ----------------------------------------
   ACCESSIBILITY - Skip Link
   ---------------------------------------- */
.skip-link {
  position: absolute;
  top: -100%;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-black);
  color: var(--color-white);
  padding: var(--space-sm) var(--space-md);
  z-index: calc(var(--z-header) + 1);
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: var(--space-sm);
  outline: 2px solid var(--color-champagne);
  outline-offset: 2px;
}

/* ----------------------------------------
   FOCUS STATES (Accessibility)
   ---------------------------------------- */
:focus-visible {
  outline: 2px solid var(--color-champagne);
  outline-offset: 3px;
}

/* Remove outline for mouse users */
:focus:not(:focus-visible) {
  outline: none;
}

/* ----------------------------------------
   TYPOGRAPHY
   ---------------------------------------- */
h1, h2, h3, h4, h5, h6 {
  font-weight: var(--font-weight-semibold);
  line-height: 1.2;
  letter-spacing: var(--tracking-wide);
}

h1 {
  font-size: var(--text-4xl);
  font-weight: var(--font-weight-bold);
  letter-spacing: var(--tracking-wider);
}

h2 {
  font-size: var(--text-3xl);
}

h3 {
  font-size: var(--text-2xl);
}

h4 {
  font-size: var(--text-xl);
}

p {
  margin-bottom: var(--space-md);
}

p:last-child {
  margin-bottom: 0;
}

/* ----------------------------------------
   UTILITY CLASSES
   ---------------------------------------- */

/* Text Alignment */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

/* Text Transform */
.uppercase { text-transform: uppercase; }
.lowercase { text-transform: lowercase; }
.capitalize { text-transform: capitalize; }

/* Font Weights */
.font-regular { font-weight: var(--font-weight-regular); }
.font-medium { font-weight: var(--font-weight-medium); }
.font-semibold { font-weight: var(--font-weight-semibold); }
.font-bold { font-weight: var(--font-weight-bold); }

/* Colors */
.text-champagne { color: var(--color-champagne); }
.text-gray { color: var(--color-gray); }

/* Letter Spacing */
.tracking-tight { letter-spacing: var(--tracking-tight); }
.tracking-normal { letter-spacing: var(--tracking-normal); }
.tracking-wide { letter-spacing: var(--tracking-wide); }
.tracking-wider { letter-spacing: var(--tracking-wider); }
.tracking-widest { letter-spacing: var(--tracking-widest); }

/* Spacing */
.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); }
.mb-2xl { margin-bottom: var(--space-2xl); }

/* Display */
.hidden { display: none !important; }
.block { display: block; }
.inline-block { display: inline-block; }
.flex { display: flex; }
.grid { display: grid; }

/* Screen reader only - visually hidden but accessible */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

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

.section {
  padding: var(--space-4xl) 0;
}

/* ----------------------------------------
   DECORATIVE ELEMENTS
   ---------------------------------------- */
.line-accent {
  display: block;
  width: 60px;
  height: 1px;
  background-color: var(--color-gray);
}

.line-accent--champagne {
  background-color: var(--color-champagne);
}

.line-accent--center {
  margin: var(--space-md) auto;
}

/* ----------------------------------------
   BUTTONS & LINKS
   ---------------------------------------- */
.link {
  position: relative;
  display: inline-block;
  transition: color var(--transition-base), transform var(--transition-base);
}

.link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background-color: var(--color-champagne);
  transition: width var(--transition-base);
}

.link:hover,
.link:focus {
  transform: scale(1.02);
}

.link:hover::after,
.link:focus::after {
  width: 100%;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-sm) var(--space-lg);
  font-size: var(--text-sm);
  font-weight: var(--font-weight-medium);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  border: 1px solid var(--color-black);
  transition: all var(--transition-base);
}

.btn:hover,
.btn:focus {
  background-color: var(--color-black);
  color: var(--color-white);
}

.btn--champagne {
  border-color: var(--color-champagne);
  color: var(--color-champagne);
}

.btn--champagne:hover,
.btn--champagne:focus {
  background-color: var(--color-champagne);
  color: var(--color-white);
}

/* ----------------------------------------
   IMAGES
   ---------------------------------------- */
.img-cover {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

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

/* Placeholder for images during development */
.placeholder-img {
  background-color: var(--color-gray-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-gray);
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
}

/* ----------------------------------------
   RESPONSIVE BREAKPOINTS
   Mobile-first approach
   ----------------------------------------

   Breakpoints:
   - sm: 640px   (large phones)
   - md: 768px   (tablets)
   - lg: 1024px  (small laptops)
   - xl: 1280px  (desktops)
   - 2xl: 1536px (large screens)

   Usage: @media (min-width: 768px) { }

   ---------------------------------------- */

/* Small adjustments for larger screens */
@media (min-width: 768px) {
  .container {
    padding: 0 var(--space-xl);
  }

  .section {
    padding: var(--space-5xl) 0;
  }
}

@media (min-width: 1024px) {
  .container {
    padding: 0 var(--space-2xl);
  }
}

/* ============================================
   HEADER & NAVIGATION
   ============================================ */

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-header);
  background-color: var(--color-white);
  transition: all var(--transition-base);
}

.header::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: calc(100% - var(--space-lg) * 2);
  max-width: var(--max-width);
  height: 1px;
  background-color: var(--color-gray-light);
}

/* Collapsed header on scroll */
.header--collapsed {
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.header--collapsed .nav__brand-name {
  font-size: var(--text-xl);
}

.header--collapsed .nav__brand-tagline {
  display: none;
}

.header--collapsed .nav__brand-link {
  flex-direction: row;
  gap: 0;
}

/* Navigation */
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
  transition: height var(--transition-base);
}

.header--collapsed .nav {
  height: var(--header-height-collapsed);
}

.nav__list {
  display: none;
  align-items: center;
  gap: var(--space-xl);
}

.nav__list--left,
.nav__list--right {
  flex: 1;
}

.nav__list--right {
  justify-content: flex-end;
}

.nav__link {
  font-size: var(--text-sm);
  font-weight: var(--font-weight-regular);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
}

/* Brand / Logo */
.nav__brand {
  text-align: center;
}

.nav__brand-link {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xs);
}

.nav__brand-name {
  font-size: var(--text-2xl);
  font-weight: var(--font-weight-medium);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  transition: font-size var(--transition-base);
}

/* First name in black, last name in gray */
.nav__brand-first {
  color: var(--color-black);
}

.nav__brand-last {
  color: var(--color-gray);
}

.nav__brand-tagline {
  font-size: var(--text-xs);
  font-weight: var(--font-weight-regular);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-champagne);
  transition: font-size var(--transition-base);
  line-height: 1.4;
}

.nav__brand-tagline-sub {
  display: block;
  font-size: calc(var(--text-xs) * 0.85);
  color: var(--color-gray);
  letter-spacing: var(--tracking-wide);
  margin-top: 2px;
}

/* Mobile Menu Toggle */
.nav__toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 30px;
  height: 30px;
  padding: 0;
  z-index: calc(var(--z-menu) + 1);
}

.nav__toggle-bar {
  display: block;
  width: 100%;
  height: 1px;
  background-color: var(--color-black);
  transition: all var(--transition-base);
}

/* Toggle animation when open */
.nav__toggle[aria-expanded="true"] .nav__toggle-bar:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.nav__toggle[aria-expanded="true"] .nav__toggle-bar:nth-child(2) {
  opacity: 0;
}

.nav__toggle[aria-expanded="true"] .nav__toggle-bar:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

/* Theme Toggle - in nav list on desktop, hidden on mobile */
.nav__item--theme {
  display: none;
}

@media (min-width: 768px) {
  .nav__item--theme {
    display: flex;
    align-items: center;
  }
}

.nav__theme-toggle {
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--transition-base);
}

.nav__theme-toggle:hover {
  transform: scale(1.1);
}

.nav__theme-toggle:focus-visible {
  outline: 2px solid var(--color-champagne);
  outline-offset: 2px;
}

.nav__theme-toggle svg {
  width: 24px;
  height: 24px;
  transition: all var(--transition-base);
}

/* Theme toggle icon styling */
.theme-icon {
  position: absolute;
  transition: opacity var(--transition-base), transform var(--transition-base);
}

.theme-icon__sun,
.theme-icon__moon {
  fill: none;
  stroke: var(--color-black);
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: all var(--transition-base);
}

/* Light mode: show sun */
.theme-icon--sun {
  opacity: 1;
  transform: rotate(0deg);
}

.theme-icon--moon {
  opacity: 0;
  transform: rotate(-90deg);
}

/* Dark mode: show moon */
[data-theme="dark"] .theme-icon--sun {
  opacity: 0;
  transform: rotate(90deg);
}

[data-theme="dark"] .theme-icon--moon {
  opacity: 1;
  transform: rotate(0deg);
}

[data-theme="dark"] .theme-icon__sun,
[data-theme="dark"] .theme-icon__moon {
  stroke: var(--color-gray);
}

/* Mobile Menu */
.mobile-menu {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: var(--z-menu);
  background-color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
}

.mobile-menu[aria-hidden="false"] {
  opacity: 1;
  visibility: visible;
}

.mobile-menu__list {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xl);
}

.mobile-menu__link {
  font-size: var(--text-2xl);
  font-weight: var(--font-weight-medium);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  position: relative;
}

.mobile-menu__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background-color: var(--color-champagne);
  transition: width var(--transition-base);
}

.mobile-menu__link:hover::after,
.mobile-menu__link:focus::after {
  width: 100%;
}

/* Mobile Menu Theme Toggle */
.mobile-menu__item--theme {
  margin-top: var(--space-lg);
}

.mobile-menu__theme-toggle {
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-md);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--transition-base);
}

.mobile-menu__theme-toggle:hover {
  transform: scale(1.1);
}

.mobile-menu__theme-toggle svg {
  width: 32px;
  height: 32px;
}

/* Desktop Navigation */
@media (min-width: 768px) {
  .nav__list {
    display: flex;
  }

  .nav__toggle {
    display: none;
  }

  .mobile-menu {
    display: none;
  }
}

/* ============================================
   HERO CAROUSEL
   ============================================ */

.hero {
  margin-top: var(--header-height);
  padding: var(--space-xl) 0;
  overflow: hidden;
}

.hero__carousel {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  padding: 0 var(--space-md);
  transition: transform var(--transition-slow);
}

.hero__slide {
  flex-shrink: 0;
  transition: all var(--transition-slow);
  cursor: pointer;
}

/* Side slides (peek effect) */
.hero__slide--prev,
.hero__slide--next {
  width: 15%;
  opacity: 0.5;
}

.hero__slide--prev .hero__image,
.hero__slide--next .hero__image {
  aspect-ratio: 16/10;
}

/* Current/Main slide */
.hero__slide--current {
  width: 60%;
}

.hero__slide-link {
  display: block;
  position: relative;
}

.hero__slide-link:hover .hero__slide-caption,
.hero__slide-link:focus .hero__slide-caption {
  opacity: 1;
}

.hero__image {
  width: 100%;
  aspect-ratio: 16/10;
  object-fit: cover;
}

.hero__slide-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--space-lg);
  background: linear-gradient(to top, rgba(0,0,0,0.7), transparent);
  color: var(--color-white);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.hero__slide-title {
  font-size: var(--text-lg);
  font-weight: var(--font-weight-semibold);
  letter-spacing: var(--tracking-wide);
  margin-bottom: var(--space-xs);
}

.hero__slide-subtitle {
  font-size: var(--text-sm);
  font-weight: var(--font-weight-regular);
  letter-spacing: var(--tracking-wide);
  opacity: 0.8;
}

/* Carousel Dots */
.hero__dots {
  display: flex;
  justify-content: center;
  gap: var(--space-sm);
  margin-top: var(--space-lg);
}

.hero__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--color-gray-light);
  border: 1px solid var(--color-gray);
  transition: all var(--transition-base);
}

.hero__dot[aria-selected="true"] {
  background-color: var(--color-champagne);
  border-color: var(--color-champagne);
}

.hero__dot:hover,
.hero__dot:focus {
  border-color: var(--color-champagne);
}

/* Mobile Hero */
@media (max-width: 767px) {
  .hero {
    margin-top: var(--header-height);
  }

  .hero__carousel {
    gap: var(--space-sm);
  }

  .hero__slide--prev,
  .hero__slide--next {
    width: 10%;
  }

  .hero__slide--current {
    width: 75%;
  }

  .hero__slide-caption {
    opacity: 1;
    padding: var(--space-md);
  }

  .hero__slide-title {
    font-size: var(--text-base);
  }
}

/* Larger screens */
@media (min-width: 1024px) {
  .hero__slide--prev,
  .hero__slide--next {
    width: 12%;
  }

  .hero__slide--current {
    width: 55%;
  }
}

/* ============================================
   INTRO SECTION
   ============================================ */

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

.intro__text {
  font-size: var(--text-xl);
  font-weight: var(--font-weight-regular);
  line-height: 1.8;
  max-width: 700px;
  margin: var(--space-lg) auto 0;
  color: var(--color-black);
}

@media (min-width: 768px) {
  .intro__text {
    font-size: var(--text-2xl);
  }
}

/* ============================================
   FOOTER
   ============================================ */

.footer {
  padding: var(--space-xl) 0;
  border-top: 1px solid var(--color-gray-light);
}

.footer__copyright {
  font-size: var(--text-sm);
  color: var(--color-gray);
  letter-spacing: var(--tracking-wide);
}

/* ============================================
   PAGE HEADER
   ============================================ */

.page-header {
  margin-top: var(--header-height);
  padding: var(--space-3xl) 0 var(--space-xl);
}

.page-header__title {
  font-size: var(--text-3xl);
  font-weight: var(--font-weight-semibold);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  margin-bottom: var(--space-md);
}

.page-header__subtitle {
  font-size: var(--text-lg);
  font-weight: var(--font-weight-regular);
  color: var(--color-gray);
  margin-top: var(--space-md);
}

@media (min-width: 768px) {
  .page-header {
    padding: var(--space-4xl) 0 var(--space-2xl);
  }

  .page-header__title {
    font-size: var(--text-4xl);
  }
}

/* ============================================
   PORTFOLIO GRID
   ============================================ */

.portfolio {
  padding-top: 0;
}

.portfolio__grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-lg);
}

.portfolio__grid > * {
  flex: 1 1 100%;
  max-width: 100%;
}

@media (min-width: 640px) {
  .portfolio__grid {
    gap: var(--space-xl);
  }

  .portfolio__grid > * {
    flex: 0 1 calc(50% - var(--space-xl) / 2);
    max-width: calc(50% - var(--space-xl) / 2);
  }
}

@media (min-width: 1024px) {
  .portfolio__grid {
    gap: var(--space-2xl);
  }

  .portfolio__grid > * {
    flex: 0 1 calc(33.333% - var(--space-2xl) * 2 / 3);
    max-width: calc(33.333% - var(--space-2xl) * 2 / 3);
  }
}

/* Project Card */
.project-card {
  position: relative;
  overflow: hidden;
}

.project-card__link {
  display: block;
  position: relative;
}

.project-card__image {
  width: 100%;
  aspect-ratio: 16/10;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.project-card__link:hover .project-card__image,
.project-card__link:focus .project-card__image {
  transform: scale(1.05);
}

.project-card__overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--space-lg);
  background: linear-gradient(to top, rgba(0, 0, 0, 0.8) 0%, rgba(0, 0, 0, 0) 100%);
  color: var(--color-white);
  transform: translateY(100%);
  transition: transform var(--transition-base);
}

.project-card__link:hover .project-card__overlay,
.project-card__link:focus .project-card__overlay {
  transform: translateY(0);
}

/* Always show overlay on mobile (touch devices) */
@media (max-width: 767px) {
  .project-card__overlay {
    transform: translateY(0);
  }
}

.project-card__title {
  font-size: var(--text-lg);
  font-weight: var(--font-weight-semibold);
  letter-spacing: var(--tracking-wide);
  margin-bottom: var(--space-xs);
}

.project-card__location {
  font-size: var(--text-sm);
  font-weight: var(--font-weight-regular);
  letter-spacing: var(--tracking-wide);
  opacity: 0.8;
}

/* Active nav link */
.nav__link--active {
  font-weight: var(--font-weight-semibold);
}

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

/* ============================================
   PROJECT PAGE
   ============================================ */

/* Project Hero */
.project-hero {
  margin-top: var(--header-height);
}

.project-hero__image {
  width: 100%;
  max-height: 70vh;
  object-fit: cover;
}

/* Project Details */
.project-details {
  padding-top: var(--space-xl);
}

.project-details__back {
  display: inline-block;
  font-size: var(--text-sm);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  margin-bottom: var(--space-2xl);
}

.project-details__content {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2xl);
}

@media (min-width: 768px) {
  .project-details__content {
    grid-template-columns: 1fr 2fr;
    gap: var(--space-3xl);
  }
}

.project-details__title {
  font-size: var(--text-2xl);
  font-weight: var(--font-weight-semibold);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  margin-bottom: var(--space-md);
}

@media (min-width: 768px) {
  .project-details__title {
    font-size: var(--text-3xl);
  }
}

.project-details__meta {
  margin-top: var(--space-xl);
}

.project-details__meta-item {
  display: flex;
  justify-content: space-between;
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--color-gray-light);
}

.project-details__meta-label {
  font-size: var(--text-sm);
  color: var(--color-gray);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
}

.project-details__meta-value {
  font-size: var(--text-sm);
  font-weight: var(--font-weight-medium);
}

.project-details__description {
  font-family: var(--font-family-body);
  font-size: var(--text-base);
  line-height: 1.8;
  text-transform: none;
}

.project-details__description p {
  margin-bottom: var(--space-lg);
}

.project-details__description .link {
  color: var(--color-champagne);
}

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

.project-gallery__grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-md);
}

.project-gallery__grid > * {
  flex: 1 1 100%;
  max-width: 100%;
}

@media (min-width: 640px) {
  .project-gallery__grid {
    gap: var(--space-lg);
  }

  .project-gallery__grid > * {
    flex: 0 1 calc(50% - var(--space-lg) / 2);
    max-width: calc(50% - var(--space-lg) / 2);
  }
}

@media (min-width: 1024px) {
  .project-gallery__grid > * {
    flex: 0 1 calc(33.333% - var(--space-lg) * 2 / 3);
    max-width: calc(33.333% - var(--space-lg) * 2 / 3);
  }
}

.project-gallery__item {
  position: relative;
  overflow: hidden;
  cursor: pointer;
  padding: 0;
  border: none;
  background: none;
}

.project-gallery__item:hover .project-gallery__image,
.project-gallery__item:focus .project-gallery__image {
  transform: scale(1.05);
}

.project-gallery__image {
  width: 100%;
  transition: transform var(--transition-slow);
}

/* Project Navigation */
.project-nav {
  border-top: 1px solid var(--color-gray-light);
  margin-top: var(--space-2xl);
}

.project-nav__wrapper {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

@media (min-width: 640px) {
  .project-nav__wrapper {
    flex-direction: row;
    justify-content: space-between;
  }
}

.project-nav__link {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  transition: color var(--transition-base);
}

.project-nav__link:hover,
.project-nav__link:focus {
  color: var(--color-champagne);
}

.project-nav__link--next {
  text-align: right;
}

@media (min-width: 640px) {
  .project-nav__link--next {
    align-items: flex-end;
  }
}

.project-nav__label {
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  color: var(--color-gray);
}

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

/* ============================================
   LIGHTBOX
   ============================================ */

.lightbox {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: var(--z-lightbox);
  background-color: rgba(0, 0, 0, 0.95);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
}

.lightbox[aria-hidden="false"] {
  opacity: 1;
  visibility: visible;
}

.lightbox__close {
  position: absolute;
  top: var(--space-lg);
  right: var(--space-lg);
  width: 40px;
  height: 40px;
  font-size: var(--text-2xl);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color var(--transition-base);
}

.lightbox__close:hover,
.lightbox__close:focus {
  color: var(--color-champagne);
}

.lightbox__prev,
.lightbox__next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 50px;
  height: 50px;
  font-size: var(--text-xl);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color var(--transition-base);
}

.lightbox__prev {
  left: var(--space-lg);
}

.lightbox__next {
  right: var(--space-lg);
}

.lightbox__prev:hover,
.lightbox__prev:focus,
.lightbox__next:hover,
.lightbox__next:focus {
  color: var(--color-champagne);
}

.lightbox__content {
  max-width: 90vw;
  max-height: 90vh;
  text-align: center;
}

.lightbox__image-wrapper {
  max-width: 100%;
  max-height: 80vh;
}

.lightbox__image {
  max-width: 100%;
  max-height: 80vh;
  object-fit: contain;
}

.lightbox__caption {
  margin-top: var(--space-md);
  color: var(--color-white);
  font-size: var(--text-sm);
  letter-spacing: var(--tracking-wide);
}

/* Mobile lightbox adjustments */
@media (max-width: 767px) {
  .lightbox__prev,
  .lightbox__next {
    width: 40px;
    height: 40px;
    font-size: var(--text-lg);
  }

  .lightbox__prev {
    left: var(--space-sm);
  }

  .lightbox__next {
    right: var(--space-sm);
  }
}

/* ============================================
   ABOUT PAGE
   ============================================ */

.about {
  margin-top: var(--header-height);
  padding-top: var(--space-3xl);
}

.about__content {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2xl);
}

@media (min-width: 768px) {
  .about__content {
    grid-template-columns: 1fr 1.5fr;
    gap: var(--space-3xl);
    align-items: start;
  }
}

@media (min-width: 1024px) {
  .about__content {
    grid-template-columns: 1fr 2fr;
    gap: var(--space-4xl);
  }
}

/* Photo */
.about__photo-wrapper {
  position: relative;
}

.about__photo {
  width: 100%;
  max-width: 400px;
  margin: 0 auto;
}

@media (min-width: 768px) {
  .about__photo {
    position: sticky;
    top: calc(var(--header-height) + var(--space-xl));
    max-width: none;
  }
}

/* Bio */
.about__title {
  font-size: var(--text-3xl);
  font-weight: var(--font-weight-semibold);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  margin-bottom: var(--space-md);
}

@media (min-width: 768px) {
  .about__title {
    font-size: var(--text-4xl);
  }
}

.about__text {
  margin-top: var(--space-xl);
  font-family: var(--font-family-body);
  font-size: var(--text-base);
  line-height: 1.8;
  text-transform: none;
}

.about__text p {
  margin-bottom: var(--space-lg);
}

/* Creed */
.about__creed {
  margin-top: var(--space-3xl);
  padding-top: var(--space-2xl);
  border-top: 1px solid var(--color-gray-light);
}

.about__creed-title {
  font-size: var(--text-xl);
  font-weight: var(--font-weight-semibold);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  margin-bottom: var(--space-lg);
}

.about__creed-text {
  font-family: var(--font-family-body);
  font-size: var(--text-base);
  line-height: 1.8;
  font-style: italic;
  text-transform: none;
  padding-left: var(--space-lg);
  border-left: 2px solid var(--color-champagne);
}

.about__creed-text p {
  margin-bottom: var(--space-md);
}

.about__creed-text p:last-child {
  margin-bottom: 0;
}

/* Credentials */
.about__credentials {
  margin-top: var(--space-3xl);
  padding-top: var(--space-2xl);
  border-top: 1px solid var(--color-gray-light);
}

.about__credentials-title {
  font-size: var(--text-xl);
  font-weight: var(--font-weight-semibold);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  margin-bottom: var(--space-xl);
}

.about__credentials-section {
  margin-bottom: var(--space-xl);
}

.about__credentials-section:last-child {
  margin-bottom: 0;
}

.about__credentials-heading {
  font-size: var(--text-sm);
  font-weight: var(--font-weight-medium);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-gray);
  margin-bottom: var(--space-sm);
}

.about__credentials-list {
  font-size: var(--text-base);
  line-height: 1.8;
}

.about__credentials-list li {
  margin-bottom: var(--space-xs);
}

/* ============================================
   CONTACT PAGE
   ============================================ */

.contact {
  margin-top: var(--header-height);
  min-height: calc(100vh - var(--header-height) - 100px);
  display: flex;
  align-items: center;
}

.contact__content {
  max-width: 600px;
  margin: 0 auto;
  text-align: center;
}

.contact__title {
  font-size: var(--text-3xl);
  font-weight: var(--font-weight-semibold);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  margin-bottom: var(--space-md);
}

@media (min-width: 768px) {
  .contact__title {
    font-size: var(--text-4xl);
  }
}

.contact__intro {
  margin-top: var(--space-xl);
  font-size: var(--text-lg);
  line-height: 1.8;
  color: var(--color-gray);
}

.contact__info {
  margin-top: var(--space-3xl);
}

.contact__email {
  font-size: var(--text-xl);
  font-weight: var(--font-weight-medium);
  letter-spacing: var(--tracking-wide);
}

@media (min-width: 768px) {
  .contact__email {
    font-size: var(--text-2xl);
  }
}

.contact__resume {
  margin-top: var(--space-2xl);
}