/* ============================================
   EDITORIAL MINIMALISM — Project Showcase
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=DM+Serif+Display:ital@0;1&family=Outfit:wght@300;400;500;600&display=swap');

/* --- Custom Properties --- */
:root {
  --color-bg: #f6f4f0;
  --color-bg-alt: #edeae4;
  --color-text: #1a1a18;
  --color-text-muted: #6b6860;
  --color-accent: #b5654a;
  --color-accent-hover: #9e5640;
  --color-border: #d4d0c8;
  --color-border-light: #e8e5de;
  --color-white: #ffffff;

  --font-display: 'DM Serif Display', Georgia, serif;
  --font-body: 'Outfit', system-ui, sans-serif;

  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 6rem;
  --space-2xl: 10rem;

  --max-width: 1200px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  font-weight: 300;
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.7;
  overflow-x: hidden;
}

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

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

/* --- Typography --- */
h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 1.15;
}

h1 {
  font-size: clamp(2.8rem, 6vw, 5.5rem);
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(1.8rem, 3.5vw, 3rem);
  letter-spacing: -0.01em;
}

h3 {
  font-size: clamp(1.3rem, 2vw, 1.6rem);
}

p {
  font-size: 1.05rem;
  max-width: 60ch;
}

/* --- Utility --- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

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

/* --- Reveal Animation --- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }
.reveal-delay-5 { transition-delay: 0.5s; }

/* ============================================
   NAVIGATION
   ============================================ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: var(--space-sm) 0;
  transition: background-color var(--transition), box-shadow var(--transition);
}

.nav.scrolled {
  background-color: rgba(246, 244, 240, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 var(--color-border-light);
}

.nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 1.35rem;
  letter-spacing: -0.01em;
}

.nav-links {
  display: flex;
  gap: var(--space-md);
  list-style: none;
}

.nav-links a {
  font-size: 0.9rem;
  font-weight: 400;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  position: relative;
  padding-bottom: 2px;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background-color: var(--color-accent);
  transition: width var(--transition);
}

.nav-links a:hover::after {
  width: 100%;
}

/* Hamburger */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-xs);
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 1.5px;
  background-color: var(--color-text);
  margin: 6px 0;
  transition: transform var(--transition), opacity var(--transition);
}

.nav-toggle.active span:nth-child(1) {
  transform: translateY(7.5px) rotate(45deg);
}

.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
  transform: translateY(-7.5px) rotate(-45deg);
}

/* Mobile nav */
@media (max-width: 768px) {
  .nav-toggle {
    display: block;
    z-index: 101;
  }

  .nav-links {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: 280px;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: var(--space-lg);
    background-color: var(--color-bg);
    transform: translateX(100%);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: -4px 0 20px rgba(0, 0, 0, 0.05);
  }

  .nav-links.open {
    transform: translateX(0);
  }

  .nav-links a {
    font-size: 1.1rem;
  }
}

/* ============================================
   HERO
   ============================================ */
.hero {
  min-height: 85vh;
  display: flex;
  align-items: center;
  position: relative;
  padding: var(--space-2xl) 0 var(--space-xl);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.03'/%3E%3C/svg%3E");
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
}

.hero-label {
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-md);
  display: block;
}

.hero h1 {
  margin-bottom: var(--space-md);
}

.hero h1 em {
  font-style: italic;
  color: var(--color-accent);
}

.hero-tagline {
  font-size: clamp(1.1rem, 1.8vw, 1.3rem);
  color: var(--color-text-muted);
  max-width: 50ch;
}

.hero-line {
  width: 60px;
  height: 1px;
  background-color: var(--color-accent);
  margin-top: var(--space-lg);
}

/* ============================================
   PROJECTS SECTION (Home)
   ============================================ */
.projects-section {
  padding: var(--space-xl) 0 var(--space-2xl);
}

.section-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: var(--space-lg);
  border-bottom: 1px solid var(--color-border);
  padding-bottom: var(--space-sm);
}

.section-label {
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.section-count {
  font-family: var(--font-display);
  font-size: 0.95rem;
  color: var(--color-text-muted);
}

/* Project Grid */
.project-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

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

/* Project Card */
.project-card {
  position: relative;
  display: block;
  background-color: var(--color-white);
  border: 1px solid var(--color-border-light);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
}

.project-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(26, 26, 24, 0.08);
}

.project-card-image {
  width: 100%;
  aspect-ratio: 16 / 10;
  background-color: var(--color-bg-alt);
  position: relative;
  overflow: hidden;
}

.project-card-image-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  background: linear-gradient(145deg, var(--color-bg-alt), var(--color-border-light));
}

.project-card-image img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.project-card:hover .project-card-image img {
  transform: scale(1.04);
}

.project-card-body {
  padding: var(--space-md);
}

.project-card-number {
  font-family: var(--font-display);
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-xs);
  display: block;
}

.project-card h3 {
  margin-bottom: var(--space-xs);
  transition: color var(--transition);
}

.project-card:hover h3 {
  color: var(--color-accent);
}

.project-card-desc {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

.project-card-arrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-top: var(--space-sm);
  transition: gap var(--transition);
}

.project-card:hover .project-card-arrow {
  gap: 12px;
}

/* ============================================
   CONTACT SECTION
   ============================================ */
.contact-section {
  padding: var(--space-xl) 0;
  border-top: 1px solid var(--color-border);
}

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

.contact-section h2 {
  margin-bottom: var(--space-sm);
}

.contact-section p {
  color: var(--color-text-muted);
  margin: 0 auto var(--space-md);
}

.contact-email {
  display: inline-block;
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 2.5vw, 1.8rem);
  color: var(--color-accent);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition);
}

.contact-email:hover {
  border-bottom-color: var(--color-accent);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  padding: var(--space-md) 0;
  border-top: 1px solid var(--color-border-light);
}

.footer .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-text {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.footer-back-top {
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  transition: color var(--transition);
}

.footer-back-top:hover {
  color: var(--color-accent);
}

/* ============================================
   PROJECT PAGE
   ============================================ */
.project-hero {
  padding: calc(var(--space-2xl) - var(--space-lg)) 0 var(--space-xl);
  border-bottom: 1px solid var(--color-border-light);
}

.project-hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  align-items: end;
}

@media (max-width: 768px) {
  .project-hero-inner {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }
}

.project-meta {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

.project-number {
  font-family: var(--font-display);
  font-size: 0.95rem;
  color: var(--color-text-muted);
}

.project-meta-divider {
  width: 30px;
  height: 1px;
  background-color: var(--color-border);
}

.project-category {
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.project-hero h1 {
  margin-bottom: var(--space-sm);
}

.project-hero-desc {
  font-size: 1.15rem;
  color: var(--color-text-muted);
  max-width: 50ch;
}

.project-link-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-white);
  background-color: var(--color-text);
  padding: 14px 28px;
  transition: background-color var(--transition);
  align-self: flex-end;
}

.project-link-btn:hover {
  background-color: var(--color-accent);
}

.project-link-btn svg {
  width: 14px;
  height: 14px;
  transition: transform var(--transition);
}

.project-link-btn:hover svg {
  transform: translate(2px, -2px);
}

/* Project Media */
.project-media {
  padding: var(--space-xl) 0;
}

.project-media-frame {
  width: 100%;
  aspect-ratio: 16 / 9;
  background-color: var(--color-bg-alt);
  border: 1px solid var(--color-border-light);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

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

.project-media-placeholder {
  font-size: 0.85rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

/* Project Details */
.project-details {
  padding: 0 0 var(--space-xl);
}

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

@media (max-width: 768px) {
  .project-details-grid {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }
}

.project-details-sidebar h3 {
  margin-bottom: var(--space-sm);
  color: var(--color-text-muted);
  font-size: 1rem;
  font-family: var(--font-body);
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.project-details-sidebar ul {
  list-style: none;
}

.project-details-sidebar li {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  padding: var(--space-xs) 0;
  border-bottom: 1px solid var(--color-border-light);
}

.project-details-content p {
  margin-bottom: var(--space-sm);
  font-size: 1.05rem;
  line-height: 1.8;
}

/* Project Navigation */
.project-nav {
  padding: var(--space-lg) 0;
  border-top: 1px solid var(--color-border);
}

.project-nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.project-nav-link {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  transition: color var(--transition);
}

.project-nav-link:hover {
  color: var(--color-accent);
}

.project-nav-back {
  font-family: var(--font-display);
  font-size: 1rem;
  color: var(--color-text);
}

.project-nav-back:hover {
  color: var(--color-accent);
}

/* ============================================
   MISC
   ============================================ */

/* Noise overlay for texture */
.noise-overlay {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
  opacity: 0.015;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
}

/* Selection */
::selection {
  background-color: var(--color-accent);
  color: var(--color-white);
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: var(--color-bg);
}

::-webkit-scrollbar-thumb {
  background: var(--color-border);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-text-muted);
}