/* ============================================================
   IDRIS FIDAN — PORTFOLIO
   Environment Concept Artist & Visual Development Artist
   Premium AAA Game Industry Portfolio
   ============================================================ */

/* --- CSS Custom Properties --- */
:root {
  --color-bg: #0a0a0a;
  --color-bg-alt: #0f0f0f;
  --color-bg-card: #141414;
  --color-bg-elevated: #1a1a1a;
  --color-surface: #1c1c1c;
  --color-border: #2a2a2a;
  --color-border-light: #333333;
  --color-text-primary: #e8e6e3;
  --color-text-secondary: #a09c96;
  --color-text-muted: #6b6560;
  --color-accent: #c8a84e;
  --color-accent-light: #e0c56e;
  --color-accent-dark: #9a7b2e;
  --color-accent-glow: rgba(200, 168, 78, 0.15);
  --color-white: #ffffff;
  --color-overlay: rgba(0, 0, 0, 0.85);

  --font-display: 'Cormorant Garamond', 'Playfair Display', 'Times New Roman', serif;
  --font-body: 'Inter', 'Helvetica Neue', 'Arial', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  --max-width: 1600px;
  --max-width-narrow: 900px;
  --nav-height: 64px;

  --space-xs: clamp(4px, 0.4vw, 8px);
  --space-sm: clamp(8px, 0.8vw, 16px);
  --space-md: clamp(16px, 1.6vw, 32px);
  --space-lg: clamp(24px, 3vw, 64px);
  --space-xl: clamp(40px, 5vw, 120px);
  --space-2xl: clamp(64px, 8vw, 200px);

  --text-xs: clamp(0.625rem, 0.7vw, 0.75rem);
  --text-sm: clamp(0.75rem, 0.85vw, 0.875rem);
  --text-base: clamp(0.875rem, 1vw, 1rem);
  --text-md: clamp(1rem, 1.2vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1.5vw, 1.375rem);
  --text-xl: clamp(1.5rem, 2vw, 2rem);
  --text-2xl: clamp(2rem, 3vw, 3.5rem);
  --text-3xl: clamp(2.5rem, 4.5vw, 5rem);
  --text-hero: clamp(3.5rem, 7vw, 8rem);

  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --ease-smooth: cubic-bezier(0.4, 0, 0.2, 1);

  --z-nav: 1000;
  --z-menu: 999;
  --z-lightbox: 2000;
  --z-loader: 3000;
  --z-particles: 1;
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  background: var(--color-bg);
  color: var(--color-text-primary);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
}

body {
  min-height: 100vh;
  overflow-x: hidden;
  background: var(--color-bg);
}

body.menu-open {
  overflow: hidden;
}

body.no-scroll {
  overflow: hidden;
}

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

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

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

ul, ol {
  list-style: none;
}

::selection {
  background: var(--color-accent);
  color: var(--color-bg);
}

::-moz-selection {
  background: var(--color-accent);
  color: var(--color-bg);
}

/* --- Focus visible --- */
:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

:focus:not(:focus-visible) {
  outline: none;
}

/* --- Scrollbar --- */
::-webkit-scrollbar {
  width: 6px;
}
::-webkit-scrollbar-track {
  background: var(--color-bg);
}
::-webkit-scrollbar-thumb {
  background: var(--color-border-light);
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--color-accent-dark);
}

/* ============================================================
   LOADING SCREEN
   ============================================================ */
.loader {
  position: fixed;
  inset: 0;
  z-index: var(--z-loader);
  background: var(--color-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.6s var(--ease-out-expo), visibility 0.6s var(--ease-out-expo);
}

.loader.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.loader__inner {
  text-align: center;
}

.loader__name {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  color: var(--color-accent);
  letter-spacing: 0.15em;
  margin-bottom: var(--space-md);
  opacity: 0;
  animation: loaderFadeIn 0.8s var(--ease-out-expo) forwards;
}

.loader__line {
  width: 60px;
  height: 1px;
  background: var(--color-accent);
  margin: 0 auto var(--space-sm);
  opacity: 0;
  animation: loaderFadeIn 0.8s var(--ease-out-expo) 0.2s forwards;
}

.loader__subtitle {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  letter-spacing: 0.3em;
  text-transform: uppercase;
  opacity: 0;
  animation: loaderFadeIn 0.8s var(--ease-out-expo) 0.4s forwards;
}

@keyframes loaderFadeIn {
  to { opacity: 1; }
}

/* ============================================================
   NAVIGATION
   ============================================================ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  z-index: var(--z-nav);
  display: flex;
  align-items: center;
  padding: 0 var(--space-lg);
  transition: background 0.4s var(--ease-smooth), border-color 0.4s var(--ease-smooth);
  border-bottom: 1px solid transparent;
}

.nav--scrolled {
  background: rgba(10, 10, 10, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom-color: var(--color-border);
}

.nav__inner {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
}

.nav__brand {
  font-family: var(--font-display);
  font-size: var(--text-md);
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--color-white);
  white-space: nowrap;
}

.nav__email {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  letter-spacing: 0.04em;
  transition: color 0.3s var(--ease-smooth);
  white-space: nowrap;
}

.nav__email:hover {
  color: var(--color-accent);
}

.nav__hamburger {
  justify-self: end;
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  cursor: pointer;
  z-index: calc(var(--z-menu) + 1);
}

.nav__hamburger-line {
  width: 24px;
  height: 1.5px;
  background: var(--color-text-primary);
  transition: transform 0.4s var(--ease-out-expo), opacity 0.3s var(--ease-smooth);
  transform-origin: center;
}

.nav__hamburger.active .nav__hamburger-line:nth-child(1) {
  transform: translateY(3.25px) rotate(45deg);
}

.nav__hamburger.active .nav__hamburger-line:nth-child(2) {
  transform: translateY(-3.25px) rotate(-45deg);
}

/* ============================================================
   MENU DROPDOWN
   ============================================================ */
.menu {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-menu);
  background: rgba(10, 10, 10, 0.97);
  backdrop-filter: blur(30px);
  -webkit-backdrop-filter: blur(30px);
  border-bottom: 1px solid var(--color-border);
  transform: translateY(-100%);
  transition: transform 0.6s var(--ease-out-expo);
  max-height: 90vh;
  overflow-y: auto;
  overscroll-behavior: contain;
}

.menu--open {
  transform: translateY(0);
}

.menu__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: calc(var(--nav-height) + var(--space-lg)) var(--space-lg) var(--space-xl);
}

.menu__portrait-area {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid var(--color-border);
}

.menu__portrait {
  width: clamp(60px, 8vw, 80px);
  height: clamp(60px, 8vw, 80px);
  border-radius: 50%;
  background: var(--color-bg-card);
  border: 2px solid var(--color-accent-dark);
  overflow: hidden;
  flex-shrink: 0;
}

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

.menu__portrait-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--color-accent);
}

.menu__portrait-info h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: var(--color-white);
  letter-spacing: 0.04em;
}

.menu__portrait-info span {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.menu__nav-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.menu__nav-item {
  font-family: var(--font-display);
  font-size: var(--text-xl);
}

.menu__nav-link {
  display: block;
  padding: var(--space-sm) 0;
  color: var(--color-text-secondary);
  transition: color 0.3s var(--ease-smooth), padding-left 0.3s var(--ease-smooth);
  letter-spacing: 0.04em;
}

.menu__nav-link:hover,
.menu__nav-link--active {
  color: var(--color-accent);
  padding-left: var(--space-sm);
}

.menu__nav-link--main {
  color: var(--color-white);
  font-size: var(--text-2xl);
}

.menu__submenu-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: var(--space-sm) 0;
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--color-text-secondary);
  letter-spacing: 0.04em;
  transition: color 0.3s var(--ease-smooth);
  cursor: pointer;
}

.menu__submenu-toggle:hover {
  color: var(--color-accent);
}

.menu__submenu-arrow {
  font-size: var(--text-sm);
  transition: transform 0.3s var(--ease-out-expo);
}

.menu__submenu-toggle.open .menu__submenu-arrow {
  transform: rotate(180deg);
}

.menu__submenu {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.5s var(--ease-out-expo);
  padding-left: var(--space-md);
}

.menu__submenu.open {
  max-height: 2000px;
}

.menu__submenu-category {
  font-size: var(--text-xs);
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  padding: var(--space-md) 0 var(--space-xs);
  font-weight: 600;
}

.menu__submenu-link {
  display: block;
  padding: 6px 0;
  font-size: var(--text-base);
  color: var(--color-text-muted);
  transition: color 0.3s var(--ease-smooth);
}

.menu__submenu-link:hover {
  color: var(--color-accent-light);
}

.menu__social {
  display: flex;
  gap: var(--space-md);
  margin-top: var(--space-xl);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-border);
}

.menu__social-link {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  letter-spacing: 0.05em;
  transition: color 0.3s var(--ease-smooth);
}

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

/* ============================================================
   HERO SECTION
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: var(--nav-height) var(--space-lg) var(--space-xl);
}

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

.hero__bg-gradient {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, rgba(20, 15, 5, 0.3) 0%, var(--color-bg) 70%);
  z-index: 1;
}

.hero__particles {
  position: absolute;
  inset: 0;
  z-index: var(--z-particles);
  pointer-events: none;
}

.hero__content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: var(--max-width-narrow);
  will-change: transform, opacity;
}

.hero__name {
  font-family: var(--font-display);
  font-size: var(--text-hero);
  font-weight: 400;
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--color-white);
  margin-bottom: var(--space-md);
  opacity: 0;
  transform: translateY(30px);
  animation: heroReveal 1s var(--ease-out-expo) 0.6s forwards;
}

.hero__accent-line {
  width: clamp(40px, 5vw, 80px);
  height: 1px;
  background: var(--color-accent);
  margin: 0 auto var(--space-md);
  opacity: 0;
  transform: scaleX(0);
  animation: heroLineReveal 0.8s var(--ease-out-expo) 0.9s forwards;
}

.hero__subtitle {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  font-weight: 300;
  letter-spacing: 0.06em;
  line-height: 1.6;
  opacity: 0;
  transform: translateY(20px);
  animation: heroReveal 1s var(--ease-out-expo) 1.1s forwards;
}

.hero__scroll-indicator {
  position: absolute;
  bottom: var(--space-lg);
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xs);
  opacity: 0;
  animation: heroReveal 1s var(--ease-out-expo) 1.5s forwards;
}

.hero__scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--color-accent), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}

.hero__scroll-text {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

@keyframes heroReveal {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes heroLineReveal {
  to {
    opacity: 1;
    transform: scaleX(1);
  }
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; }
  50% { opacity: 1; }
}

/* ============================================================
   PARTICLES
   ============================================================ */
.particle {
  position: absolute;
  width: 2px;
  height: 2px;
  background: var(--color-accent);
  border-radius: 50%;
  opacity: 0;
  animation: particleFloat linear infinite;
}

@keyframes particleFloat {
  0% {
    opacity: 0;
    transform: translateY(0) translateX(0);
  }
  10% {
    opacity: 0.6;
  }
  90% {
    opacity: 0.6;
  }
  100% {
    opacity: 0;
    transform: translateY(-100vh) translateX(50px);
  }
}

/* ============================================================
   SECTION COMMON
   ============================================================ */
.section {
  padding: var(--space-2xl) var(--space-lg);
}

.section__inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.section__label {
  font-size: var(--text-xs);
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.25em;
  margin-bottom: var(--space-sm);
  font-weight: 500;
}

.section__heading {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 400;
  line-height: 1.1;
  color: var(--color-white);
  letter-spacing: 0.02em;
  margin-bottom: var(--space-lg);
}

.section__heading--centered {
  text-align: center;
}

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

.section__text {
  font-size: var(--text-md);
  color: var(--color-text-secondary);
  max-width: 700px;
  line-height: 1.8;
}

/* ============================================================
   FILTER BAR
   ============================================================ */
.filter-bar {
  display: flex;
  gap: var(--space-sm);
  margin-bottom: var(--space-xl);
  flex-wrap: wrap;
}

.filter-btn {
  padding: 10px 24px;
  font-size: var(--text-sm);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
  border-radius: 2px;
  transition: all 0.3s var(--ease-smooth);
  background: transparent;
}

.filter-btn:hover {
  color: var(--color-text-primary);
  border-color: var(--color-border-light);
}

.filter-btn--active {
  color: var(--color-bg);
  background: var(--color-accent);
  border-color: var(--color-accent);
}

/* ============================================================
   PROJECT CARDS GRID
   ============================================================ */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--space-md);
}

/* Card aspect-aware spans — assigned by JS based on thumbnail ratio */
.project-card--span-12 { grid-column: span 12; }
.project-card--span-8 { grid-column: span 8; }
.project-card--span-6 { grid-column: span 6; }
.project-card--span-4 { grid-column: span 4; }
.project-card--span-3 { grid-column: span 3; }

.project-card {
  position: relative;
  overflow: hidden;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  transition: border-color 0.4s var(--ease-smooth), transform 0.4s var(--ease-out-expo);
  /* Height driven by aspect-ratio (set via JS inline style), fallback for no-image */
  min-height: 220px;
  aspect-ratio: 1.4; /* default, overridden by JS when image loads */
}

.project-card[data-link] {
  cursor: pointer;
}

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

.project-card__image {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.project-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease-out-expo);
}

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

.project-card__image-placeholder {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #1a1a1a 0%, #0f0f0f 50%, #1a1510 100%);
  display: flex;
  align-items: center;
  justify-content: center;
}

.project-card__image-placeholder span {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  color: var(--color-accent-dark);
  opacity: 0.3;
}

.project-card__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.9) 0%, rgba(0,0,0,0.2) 50%, transparent 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--space-lg);
  transition: background 0.4s var(--ease-smooth);
}

.project-card:hover .project-card__overlay {
  background: linear-gradient(to top, rgba(0,0,0,0.95) 0%, rgba(0,0,0,0.3) 60%, transparent 100%);
}

.project-card__category {
  font-size: var(--text-xs);
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  margin-bottom: var(--space-xs);
  font-weight: 500;
}

.project-card__title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--color-white);
  letter-spacing: 0.03em;
  line-height: 1.2;
}

@media (max-width: 1024px) {
  .project-card--span-12,
  .project-card--span-8,
  .project-card--span-6 { grid-column: span 12; }
  .project-card--span-4 { grid-column: span 6; }
  .project-card--span-3 { grid-column: span 6; }
}

@media (max-width: 768px) {
  .project-card--span-12,
  .project-card--span-8,
  .project-card--span-6,
  .project-card--span-4,
  .project-card--span-3 { grid-column: span 12; }
  .project-card { min-height: 200px; }
}

/* ============================================================
   ABOUT SECTION (HOME)
   ============================================================ */
.about-section {
  background: var(--color-bg-alt);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.about-section__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: start;
}

.about-section__name {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  color: var(--color-white);
  letter-spacing: 0.04em;
  margin-bottom: var(--space-md);
}

.about-section__edu {
  font-size: var(--text-sm);
  color: var(--color-accent);
  letter-spacing: 0.15em;
  margin-bottom: var(--space-xs);
}

.about-section__date {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  letter-spacing: 0.1em;
  margin-bottom: var(--space-lg);
}

.about-section__bio {
  font-size: var(--text-md);
  color: var(--color-text-secondary);
  line-height: 1.8;
}

.about-section__clients {
  margin-top: var(--space-xl);
}

.about-section__clients-label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  margin-bottom: var(--space-md);
}

.about-section__clients-grid {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-lg);
  align-items: center;
  opacity: 0.4;
}

.about-section__client-placeholder {
  width: clamp(80px, 10vw, 120px);
  height: 40px;
  border: 1px dashed var(--color-border-light);
  border-radius: 2px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  transition: border-color 0.3s var(--ease-smooth);
}

.about-section__client-placeholder:hover {
  border-color: var(--color-accent-dark);
}

/* ============================================================
   WORKFLOW SECTION
   ============================================================ */
.workflow {
  background: var(--color-bg);
  text-align: center;
}

.workflow__steps {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--space-md);
  flex-wrap: wrap;
  margin-top: var(--space-xl);
}

.workflow__step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s var(--ease-out-expo), transform 0.6s var(--ease-out-expo);
}

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

.workflow__step-icon {
  width: clamp(50px, 6vw, 70px);
  height: clamp(50px, 6vw, 70px);
  border: 1px solid var(--color-border-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-lg);
  color: var(--color-accent);
  transition: border-color 0.3s var(--ease-smooth), background 0.3s var(--ease-smooth);
}

.workflow__step:hover .workflow__step-icon {
  border-color: var(--color-accent);
  background: var(--color-accent-glow);
}

.workflow__step-label {
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 500;
}

.workflow__arrow {
  color: var(--color-accent-dark);
  font-size: var(--text-lg);
  margin: 0 var(--space-xs);
}

/* ============================================================
   PROJECT PAGE
   ============================================================ */
.project-page {
  padding-top: var(--nav-height);
}

.project-hero {
  position: relative;
  width: 100%;
  min-height: 60vh;
  max-height: 80vh;
  overflow: hidden;
  background: var(--color-bg-card);
}

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

.project-hero__placeholder {
  width: 100%;
  height: 60vh;
  background: linear-gradient(135deg, #141414 0%, #0a0a0a 50%, #151210 100%);
  display: flex;
  align-items: center;
  justify-content: center;
}

.project-hero__placeholder span {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  color: var(--color-accent-dark);
  opacity: 0.2;
}

.project-hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, var(--color-bg) 0%, transparent 50%);
}

.project-info {
  padding: var(--space-xl) var(--space-lg);
}

.project-info__inner {
  max-width: var(--max-width-narrow);
  margin: 0 auto;
}

.project-info__category {
  font-size: var(--text-xs);
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  margin-bottom: var(--space-sm);
}

.project-info__title {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  color: var(--color-white);
  letter-spacing: 0.02em;
  line-height: 1.1;
  margin-bottom: var(--space-md);
}

.project-info__subtitle {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  font-weight: 300;
  letter-spacing: 0.04em;
  margin-bottom: var(--space-xl);
}

.project-section {
  padding: var(--space-lg) 0;
}

.project-section + .project-section {
  padding-top: 0;
}

.project-section__heading {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--color-accent);
  letter-spacing: 0.06em;
  margin-bottom: var(--space-md);
}

.project-section__heading + .project-gallery {
  margin-top: var(--space-sm);
}

.project-section__text {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  line-height: 1.8;
}

/* Project Gallery */
.project-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 400px), 1fr));
  gap: var(--space-md);
}

.project-gallery--masonry {
  display: block;
  columns: 2;
  column-gap: var(--space-md);
}

.project-gallery--masonry .project-gallery__item {
  break-inside: avoid;
  margin-bottom: var(--space-md);
}

.project-gallery--full .project-gallery__item {
  grid-column: 1 / -1;
}

.project-gallery__item {
  cursor: pointer;
  overflow: hidden;
  border: 1px solid var(--color-border);
  transition: border-color 0.3s var(--ease-smooth);
  background: var(--color-bg-card);
}

.project-gallery__item:hover {
  border-color: var(--color-accent-dark);
}

.project-gallery__item img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.4s var(--ease-out-expo);
}

.project-gallery__item:hover img {
  transform: scale(1.02);
}

.project-gallery__placeholder {
  width: 100%;
  aspect-ratio: 16 / 9;
  background: var(--color-bg-card);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* Project Side-by-Side */
.project-gallery--side {
  grid-template-columns: 1fr 1fr;
}

/* ============================================================
   LIGHTBOX
   ============================================================ */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: var(--z-lightbox);
  background: rgba(0, 0, 0, 0.96);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.4s var(--ease-smooth), visibility 0.4s var(--ease-smooth);
  cursor: zoom-out;
}

.lightbox--open {
  opacity: 1;
  visibility: visible;
}

.lightbox__content {
  position: relative;
  max-width: 95vw;
  max-height: 95vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox__image {
  max-width: 95vw;
  max-height: 95vh;
  object-fit: contain;
  cursor: default;
  user-select: none;
  -webkit-user-drag: none;
  opacity: 0;
  transition: opacity 0.3s var(--ease-smooth);
}

.lightbox__image--loaded {
  opacity: 1;
}

.lightbox__close {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: var(--color-text-primary);
  z-index: 1;
  transition: color 0.3s var(--ease-smooth);
}

.lightbox__close:hover {
  color: var(--color-accent);
}

.lightbox__nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: var(--color-text-primary);
  transition: color 0.3s var(--ease-smooth);
  z-index: 1;
}

.lightbox__nav:hover {
  color: var(--color-accent);
}

.lightbox__nav--prev {
  left: var(--space-md);
}

.lightbox__nav--next {
  right: var(--space-md);
}

.lightbox__counter {
  position: absolute;
  bottom: var(--space-md);
  left: 50%;
  transform: translateX(-50%);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  letter-spacing: 0.1em;
}

/* ============================================================
   ABOUT PAGE
   ============================================================ */
.about-page {
  padding-top: var(--nav-height);
}

.about-page__hero {
  padding: var(--space-2xl) var(--space-lg) var(--space-xl);
  text-align: center;
}

.about-page__inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.about-page__grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: var(--space-2xl);
  padding: 0 var(--space-lg) var(--space-2xl);
}

.about-page__portrait {
  width: 100%;
  aspect-ratio: 3 / 4;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  overflow: hidden;
}

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

.about-page__portrait-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  color: var(--color-accent-dark);
}

.about-page__content h2 {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  color: var(--color-white);
  letter-spacing: 0.04em;
  margin-bottom: var(--space-md);
}

.about-page__content h3 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--color-accent);
  letter-spacing: 0.06em;
  margin-top: var(--space-xl);
  margin-bottom: var(--space-sm);
}

.about-page__content p {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  line-height: 1.8;
  margin-bottom: var(--space-md);
}

/* Skills grid */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: var(--space-sm);
  margin-top: var(--space-md);
}

.skill-tag {
  padding: 10px 16px;
  border: 1px solid var(--color-border);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  text-align: center;
  letter-spacing: 0.04em;
  transition: border-color 0.3s var(--ease-smooth), color 0.3s var(--ease-smooth);
}

.skill-tag:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.software-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-top: var(--space-md);
}

.software-item {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  padding: 10px 18px;
  border: 1px solid var(--color-border);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  letter-spacing: 0.04em;
  transition: all 0.3s var(--ease-smooth);
}

.software-item:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: var(--color-accent-glow);
}

/* CV Button */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 14px 32px;
  font-size: var(--text-sm);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 500;
  transition: all 0.3s var(--ease-smooth);
}

.btn--primary {
  background: var(--color-accent);
  color: var(--color-bg);
  border: 1px solid var(--color-accent);
}

.btn--primary:hover {
  background: var(--color-accent-light);
  border-color: var(--color-accent-light);
}

.btn--outline {
  background: transparent;
  color: var(--color-accent);
  border: 1px solid var(--color-accent);
}

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

.btn--lg {
  padding: 18px 40px;
  font-size: var(--text-base);
}

/* ============================================================
   CONTACT SECTION
   ============================================================ */
.contact {
  background: var(--color-bg-alt);
  border-top: 1px solid var(--color-border);
}

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

.contact__info h3 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--color-white);
  letter-spacing: 0.04em;
  margin-bottom: var(--space-sm);
}

.contact__availability {
  display: inline-block;
  padding: 6px 14px;
  border: 1px solid var(--color-accent-dark);
  font-size: var(--text-xs);
  color: var(--color-accent);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: var(--space-lg);
}

.contact__email-btn {
  margin-bottom: var(--space-lg);
}

.contact__social {
  display: flex;
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

.contact__social-link {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  letter-spacing: 0.05em;
  transition: color 0.3s var(--ease-smooth);
}

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

/* Contact Form */
.contact__form {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.form-group label {
  display: block;
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: var(--space-xs);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 14px 16px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  color: var(--color-text-primary);
  font-family: var(--font-body);
  font-size: var(--text-base);
  transition: border-color 0.3s var(--ease-smooth);
  border-radius: 2px;
  resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-accent);
}

.form-group textarea {
  min-height: 140px;
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  padding: var(--space-xl) var(--space-lg);
  border-top: 1px solid var(--color-border);
  background: var(--color-bg);
}

.footer__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.footer__brand {
  font-family: var(--font-display);
  font-size: var(--text-md);
  color: var(--color-white);
  letter-spacing: 0.06em;
}

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

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

.footer__social-link {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  letter-spacing: 0.05em;
  transition: color 0.3s var(--ease-smooth);
}

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

/* ============================================================
   BACK TO TOP
   ============================================================ */
.back-to-top {
  position: fixed;
  bottom: var(--space-lg);
  right: var(--space-lg);
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border-light);
  color: var(--color-text-muted);
  font-size: 18px;
  z-index: 50;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s var(--ease-smooth);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

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

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .about-section__grid {
    grid-template-columns: 1fr;
  }

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

  .about-page__grid {
    grid-template-columns: 1fr;
  }

  .project-gallery--side {
    grid-template-columns: 1fr;
  }

  .project-gallery--masonry {
    columns: 1;
  }
}

@media (max-width: 768px) {
  .nav__email {
    display: none;
    flex-direction: column;
    gap: var(--space-sm);
  }

  .workflow__arrow {
    transform: rotate(90deg);
    margin: var(--space-xs) 0;
  }

  .footer__inner {
    flex-direction: column;
    text-align: center;
  }

  .menu__nav-link--main {
    font-size: var(--text-xl);
  }

  .menu__nav-link {
    font-size: var(--text-lg);
  }

  .hero__name {
    font-size: clamp(2.5rem, 10vw, 4rem);
  }

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

@media (max-width: 480px) {
  .nav {
    padding: 0 var(--space-md);
  }

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

  .project-card {
    min-height: 220px;
  }

  .filter-bar {
    gap: 6px;
  }

  .filter-btn {
    padding: 8px 14px;
    font-size: 0.7rem;
  }
}

/* ============================================================
   UTILITY
   ============================================================ */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s var(--ease-out-expo), transform 0.8s var(--ease-out-expo);
}

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

.hidden {
  display: none !important;
}

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

/* ============================================================
   ADMIN: LOGIN MODAL
   ============================================================ */
.login-modal {
  position: fixed;
  inset: 0;
  z-index: 5000;
  display: flex;
  align-items: center;
  justify-content: center;
}

.login-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(8px);
}

.login-modal__dialog {
  position: relative;
  width: min(90vw, 420px);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  padding: var(--space-xl) var(--space-lg);
  animation: modalSlideIn 0.3s var(--ease-out-expo);
}

@keyframes modalSlideIn {
  from { opacity: 0; transform: translateY(-20px) scale(0.97); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

.login-modal__close {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: var(--color-text-muted);
  transition: color 0.3s;
}
.login-modal__close:hover { color: var(--color-accent); }

.login-modal__title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--color-accent);
  letter-spacing: 0.06em;
  margin-bottom: var(--space-lg);
}

.login-modal__form .form-group {
  margin-bottom: var(--space-md);
}
.login-modal__form .form-group label {
  display: block;
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 6px;
}
.login-modal__form .form-group input {
  width: 100%;
  padding: 12px 14px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  color: var(--color-text-primary);
  font-size: var(--text-base);
  font-family: var(--font-body);
  transition: border-color 0.3s;
}
.login-modal__form .form-group input:focus {
  border-color: var(--color-accent);
  outline: none;
}

.login-modal__error {
  color: #d44;
  font-size: var(--text-sm);
  margin-bottom: var(--space-md);
  padding: 8px 12px;
  background: rgba(220, 40, 40, 0.1);
  border: 1px solid rgba(220, 40, 40, 0.3);
}

.login-modal__submit {
  width: 100%;
  padding: 14px;
  font-size: var(--text-base);
  letter-spacing: 0.08em;
}

/* ============================================================
   ADMIN: FORM MODAL
   ============================================================ */
.admin-form-modal {
  position: fixed;
  inset: 0;
  z-index: 5001;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  overflow-y: auto;
  padding: var(--space-lg) 0;
}

.admin-form-modal__backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(8px);
}

.admin-form-modal__dialog {
  position: relative;
  width: min(95vw, 700px);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  padding: var(--space-xl) var(--space-lg);
  animation: modalSlideIn 0.3s var(--ease-out-expo);
  margin: auto;
}

.admin-form-modal__close {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: var(--color-text-muted);
  transition: color 0.3s;
}
.admin-form-modal__close:hover { color: var(--color-accent); }

.admin-form-modal__title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--color-accent);
  letter-spacing: 0.06em;
  margin-bottom: var(--space-lg);
  padding-right: 40px;
}

/* Admin form fields */
.admin-form .form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}
.admin-form .form-group {
  margin-bottom: var(--space-md);
}
.admin-form .form-group label {
  display: block;
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 6px;
}
.admin-form .form-group input,
.admin-form .form-group textarea,
.admin-form .form-group select {
  width: 100%;
  padding: 10px 14px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  color: var(--color-text-primary);
  font-size: var(--text-sm);
  font-family: var(--font-body);
  transition: border-color 0.3s;
  resize: vertical;
}
.admin-form .form-group input:focus,
.admin-form .form-group textarea:focus,
.admin-form .form-group select:focus {
  border-color: var(--color-accent);
  outline: none;
}
.admin-form .form-group select {
  cursor: pointer;
}
.admin-form .form-group select option {
  background: var(--color-bg-card);
  color: var(--color-text-primary);
}

.admin-form__error {
  color: #d44;
  font-size: var(--text-sm);
  margin-bottom: var(--space-md);
  padding: 8px 12px;
  background: rgba(220, 40, 40, 0.1);
  border: 1px solid rgba(220, 40, 40, 0.3);
}

.admin-form__submit {
  width: 100%;
  padding: 14px;
  font-size: var(--text-base);
  letter-spacing: 0.08em;
}

/* ============================================================
   ADMIN: FILE UPLOAD DROPZONES
   ============================================================ */
.admin-upload {
  margin-top: 4px;
}
.admin-upload__dropzone {
  border: 2px dashed var(--color-border);
  padding: var(--space-lg);
  text-align: center;
  cursor: pointer;
  transition: border-color 0.3s, background 0.3s;
  min-height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.admin-upload__dropzone:hover,
.admin-upload__dropzone.dragover {
  border-color: var(--color-accent);
  background: var(--color-accent-glow);
}
.admin-upload__dropzone span {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}
.admin-upload__dropzone img {
  max-height: 120px;
  max-width: 100%;
}

.admin-upload__previews {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-top: var(--space-sm);
}
.admin-upload__preview {
  position: relative;
  width: 100px;
  height: 100px;
  border: 1px solid var(--color-border);
  overflow: hidden;
}
.admin-upload__preview img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.admin-upload__remove {
  position: absolute;
  top: 2px;
  right: 2px;
  width: 22px;
  height: 22px;
  background: rgba(200, 40, 40, 0.85);
  color: #fff;
  font-size: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  border-radius: 2px;
}
.admin-upload__remove:hover {
  background: rgba(220, 60, 60, 0.95);
}

/* ============================================================
   ADMIN: CARD CONTROLS (edit/delete buttons on project cards)
   ============================================================ */
.project-card__admin-controls {
  position: absolute;
  top: var(--space-sm);
  right: var(--space-sm);
  z-index: 10;
  display: flex;
  gap: 6px;
  opacity: 0;
  transition: opacity 0.3s;
}
.project-card:hover .project-card__admin-controls {
  opacity: 1;
}

.admin-btn {
  width: 34px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  border-radius: 2px;
  transition: background 0.3s, color 0.3s;
  background: rgba(0, 0, 0, 0.75);
  color: var(--color-text-primary);
  border: 1px solid var(--color-border);
}
.admin-btn--edit:hover {
  background: var(--color-accent);
  color: var(--color-bg);
  border-color: var(--color-accent);
}
.admin-btn--delete:hover {
  background: rgba(200, 40, 40, 0.9);
  color: #fff;
  border-color: rgba(200, 40, 40, 0.9);
}

/* Add-new-project card */
.project-card--add-new {
  cursor: pointer;
}
.project-card--add-new .project-card__image-placeholder {
  transition: border-color 0.3s, background 0.3s;
}
.project-card--add-new:hover .project-card__image-placeholder {
  border-color: var(--color-accent) !important;
  background: var(--color-accent-glow);
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border: 1px solid transparent;
  border-radius: 2px;
  transition: all 0.3s var(--ease-smooth);
  cursor: pointer;
  font-family: var(--font-body);
}

.btn--primary {
  background: var(--color-accent);
  color: var(--color-bg);
  border-color: var(--color-accent);
}

.btn--primary:hover {
  background: var(--color-accent-light);
  border-color: var(--color-accent-light);
}

.btn--outline {
  background: transparent;
  color: var(--color-accent);
  border: 1px solid var(--color-accent);
}

.btn--outline:hover {
  background: var(--color-accent-glow);
  color: var(--color-accent-light);
}

.btn--lg {
  padding: 16px 36px;
  font-size: var(--text-base);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .about-section__grid { grid-template-columns: 1fr; }
  .about-page__grid { grid-template-columns: 1fr; }
  .about-page__portrait { max-width: 350px; }
  .project-gallery--masonry { columns: 1; }
}

@media (max-width: 768px) {
  .contact__grid { grid-template-columns: 1fr; }
  .workflow__steps { gap: var(--space-sm); }
  .workflow__arrow { display: none; }
  .admin-form .form-row { grid-template-columns: 1fr; }
  .admin-form-modal__dialog { padding: var(--space-lg) var(--space-md); }
  .nav__email { display: none; }
}

@media (max-width: 480px) {
  .filter-bar { gap: 6px; }
  .filter-btn { padding: 8px 14px; font-size: 11px; }
  .section { padding: var(--space-xl) var(--space-sm); }
}