/* 
=====================================================
PORTFOLIO STYLES
Premium modern portfolio with elegant typography,
smooth animations, and full responsiveness.
=====================================================

TABLE OF CONTENTS:
1. CSS Custom Properties (Design Tokens)
2. Reset & Base Styles
3. Utilities
4. Skip Link (Accessibility)
5. Navigation
6. Hero Section
7. Work Section & Project Cards
8. Project Detail Modal
9. Footer
10. Animations
11. Responsive Breakpoints
=====================================================
*/

/* 
=====================================================
1. CSS CUSTOM PROPERTIES (DESIGN TOKENS)
CUSTOMIZE: Change colors, fonts, spacing here
=====================================================
*/
:root {
    /* Colors - Premium Dark Theme */
    --color-bg: #050505;
    --color-bg-elevated: #121212;
    --color-text-primary: #f5f5f7;
    --color-text-secondary: #a1a1a6;
    --color-text-tertiary: #6e6e73;
    --color-accent: #ffffff;
    --color-accent-hover: #e8e8ed;
    --color-border: rgba(255, 255, 255, 0.08);
    --color-border-light: rgba(255, 255, 255, 0.04);
    --color-overlay: rgba(0, 0, 0, 0.85);

    /* Nav specific */
    --nav-bg: rgba(10, 10, 10, 0.7);
    --nav-bg-scrolled: rgba(5, 5, 5, 0.85);
    --nav-border: rgba(255, 255, 255, 0.1);
    --nav-link-color: rgba(255, 255, 255, 0.7);
    --nav-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    --btn-bg: #ffffff;
    --btn-text: #000000;

    /* Typography - Refined for Product Design */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.8125rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2.25rem;
    --font-size-4xl: 3.5rem;
    --font-size-5xl: 4.5rem;
    --font-size-6xl: 6rem;

    --font-weight-light: 300;
    --font-weight-regular: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;

    --line-height-tight: 1.05;
    --line-height-snug: 1.2;
    --line-height-normal: 1.6;
    --line-height-relaxed: 1.8;

    --letter-spacing-tight: -0.03em;
    --letter-spacing-normal: -0.01em;
    --letter-spacing-wide: 0.08em;

    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;
    --space-32: 8rem;

    /* Layout */
    --container-max: 1400px;
    --container-padding: var(--space-8);
    --grid-gap: var(--space-8);

    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-2xl: 32px;

    /* Shadows - Soft and subtle for dark mode */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.5);
    --shadow-lg: 0 12px 24px rgba(0, 0, 0, 0.6);
    --shadow-xl: 0 24px 48px rgba(0, 0, 0, 0.7);

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.25, 0.1, 0.25, 1);
    --transition-normal: 350ms cubic-bezier(0.25, 0.1, 0.25, 1);
    --transition-slow: 550ms cubic-bezier(0.22, 1, 0.36, 1);
    --transition-slower: 850ms cubic-bezier(0.22, 1, 0.36, 1);

    /* Easing */
    --ease-out-expo: cubic-bezier(0.19, 1, 0.22, 1);
    --ease-out-quint: cubic-bezier(0.22, 1, 0.36, 1);
    --ease-in-out-circ: cubic-bezier(0.85, 0, 0.15, 1);

    /* Z-index layers */
    --z-base: 0;
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-overlay: 300;
    --z-modal: 400;
    --z-popover: 500;
}

/* Light Theme Variables */
[data-theme="light"] {
    --color-bg: #ffffff;
    --color-bg-elevated: #f5f5f7;
    --color-text-primary: #1d1d1f;
    --color-text-secondary: #424245;
    --color-text-tertiary: #86868b;
    --color-accent: #000000;
    --color-accent-hover: #333333;
    --color-border: rgba(0, 0, 0, 0.08);
    --color-border-light: rgba(0, 0, 0, 0.04);
    --color-overlay: rgba(255, 255, 255, 0.85);

    /* Nav specific */
    --nav-bg: rgba(250, 250, 250, 0.7);
    --nav-bg-scrolled: rgba(255, 255, 255, 0.85);
    --nav-border: rgba(0, 0, 0, 0.1);
    --nav-link-color: rgba(0, 0, 0, 0.7);
    --nav-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    --btn-bg: #121212;
    --btn-text: #ffffff;
}

body {
    transition: background-color var(--transition-normal), color var(--transition-normal);
}

/* 
=====================================================
2. RESET & BASE STYLES
=====================================================
*/
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    /* scroll-behavior: smooth; - disabled for better performance */
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-regular);
    line-height: var(--line-height-normal);
    color: var(--color-text-primary);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

/* Prevent body scroll when modal is open */
body.modal-open {
    overflow: hidden;
}

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

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

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

ul,
ol {
    list-style: none;
}

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

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

/* 
=====================================================
3. UTILITIES
=====================================================
*/
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding-left: var(--container-padding);
    padding-right: var(--container-padding);
}

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

/* 
=====================================================
4. SKIP LINK (Accessibility)
=====================================================
*/
.skip-link {
    position: absolute;
    top: var(--space-4);
    left: var(--space-4);
    padding: var(--space-3) var(--space-4);
    background-color: var(--color-accent);
    color: var(--color-bg);
    font-weight: var(--font-weight-medium);
    border-radius: var(--radius-md);
    z-index: var(--z-modal);
    transform: translateY(-150%);
    transition: transform var(--transition-fast);
}

.skip-link:focus {
    transform: translateY(0);
}

/* 
=====================================================
5. NAVIGATION - Stōkt Style
=====================================================
*/
.nav {
    position: fixed;
    top: var(--space-6);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-3) var(--space-4) var(--space-3) var(--space-6);
    z-index: var(--z-sticky);
    background-color: var(--nav-bg);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-radius: 100px;
    max-width: 1100px;
    width: calc(100% - var(--space-12));
    box-shadow: var(--nav-shadow);
    border: 1px solid var(--nav-border);
    will-change: transform;
    transition: width var(--transition-normal), top var(--transition-normal), background-color var(--transition-normal), border var(--transition-normal), box-shadow var(--transition-normal);
}

.nav.scrolled {
    top: var(--space-4);
    width: calc(100% - var(--space-16));
    background-color: var(--nav-bg-scrolled);
}

.nav__logo {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    flex-shrink: 0;
}

.logo-icon {
    color: var(--color-accent);
}

.nav__name {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-bold);
    letter-spacing: var(--letter-spacing-tight);
    color: var(--color-accent);
}

.nav__links {
    display: flex;
    gap: var(--space-8);
}

.nav__link {
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    color: var(--nav-link-color);
    letter-spacing: var(--letter-spacing-wide);
    transition: color var(--transition-fast);
    position: relative;
    text-transform: uppercase;
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--color-accent);
    transition: width var(--transition-normal) var(--ease-out-expo);
}

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

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

/* Navigation Actions - Right Side */
.nav__actions {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    flex-shrink: 0;
}

.nav__lang {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    color: var(--btn-text);
    background-color: var(--btn-bg);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-bold);
    border-radius: 6px;
    border: none;
    cursor: pointer;
    transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.nav__lang:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

.nav__lang svg {
    color: var(--btn-text);
}

.nav__contact-btn {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    color: var(--btn-text);
    background-color: var(--btn-bg);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-bold);
    letter-spacing: var(--letter-spacing-wide);
    border-radius: 6px;
    border: none;
    transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.nav__contact-btn:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

.nav__contact-btn svg {
    transition: transform var(--transition-fast);
    stroke-width: 2.5;
}

.nav__contact-btn:hover svg {
    transform: translateX(3px);
}

/* Theme Toggle Button */
.theme-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--btn-bg);
    color: var(--btn-text);
    cursor: pointer;
    transition: transform var(--transition-fast), background-color var(--transition-normal), color var(--transition-normal);
    border: none;
}

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

.theme-toggle svg {
    width: 20px;
    height: 20px;
}

.theme-toggle .sun {
    display: none;
}

.theme-toggle .moon {
    display: block;
}

[data-theme="light"] .theme-toggle .sun {
    display: block;
}

[data-theme="light"] .theme-toggle .moon {
    display: none;
}

/* 
=====================================================
6. HERO SECTION
=====================================================
*/
.hero {
    min-height: 50vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
    padding: var(--space-32) var(--container-padding) var(--space-8);
    text-align: center;
}

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

.hero__text {
    max-width: 800px;
    margin: 0 auto;
}

.hero__title {
    margin-bottom: var(--space-4);
}

.hero__greeting {
    display: block;
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-tertiary);
    margin-bottom: var(--space-4);
    text-transform: uppercase;
    letter-spacing: 0.2em;
}

.hero__name {
    display: block;
    font-size: clamp(var(--font-size-4xl), 10vw, var(--font-size-6xl));
    font-weight: var(--font-weight-bold);
    letter-spacing: var(--letter-spacing-tight);
    line-height: 0.9;
    margin-bottom: var(--space-6);
}

.hero__subtitle {
    font-size: clamp(var(--font-size-lg), 4vw, var(--font-size-2xl));
    font-weight: var(--font-weight-light);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-8);
}

.hero__tagline {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    line-height: var(--line-height-normal);
    max-width: 600px;
    margin: 0 auto var(--space-12);
}

.hero__cta {
    display: inline-flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-4) var(--space-6);
    background-color: var(--color-accent);
    color: var(--color-bg);
    font-weight: var(--font-weight-medium);
    border-radius: var(--radius-xl);
    transition: transform var(--transition-normal) var(--ease-out-expo),
        box-shadow var(--transition-normal);
}

.hero__cta:hover,
.hero__cta:focus {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.hero__cta-arrow {
    transition: transform var(--transition-normal) var(--ease-out-expo);
}

.hero__cta:hover .hero__cta-arrow {
    transform: translateY(4px);
}

/* Scroll indicator */
.hero__scroll-indicator {
    margin-top: var(--space-12);
    display: flex;
    justify-content: center;
    position: relative;
    left: auto;
    bottom: auto;
    transform: none;
}

.hero__scroll-line {
    width: 1px;
    height: 120px;
    background: linear-gradient(to bottom, var(--color-text-tertiary), transparent);
    animation: scrollPulse 2s ease-in-out infinite;
}

/* 
=====================================================
7. WORK SECTION & PROJECT CARDS
=====================================================
*/
.work {
    padding: var(--space-12) var(--container-padding) var(--space-24);
    max-width: var(--container-max);
    margin: 0 auto;
}

.work__header {
    text-align: center;
    margin-bottom: var(--space-16);
}

.work__title {
    font-size: clamp(var(--font-size-3xl), 5vw, var(--font-size-4xl));
    font-weight: var(--font-weight-bold);
    letter-spacing: var(--letter-spacing-tight);
    margin-bottom: var(--space-4);
}

.work__description {
    font-size: var(--font-size-lg);
    color: var(--color-text-tertiary);
    max-width: 540px;
    margin: 0 auto;
}

.work__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--grid-gap);
    perspective: 1000px;
}



/* Project Card */
.project-card {
    position: relative;
    aspect-ratio: 4 / 3;
    border-radius: var(--radius-xl);
    overflow: hidden;
    cursor: pointer;
    background-color: var(--color-bg-elevated);
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-slow) var(--ease-out-expo),
        box-shadow var(--transition-slow);
}

.project-card:hover,
.project-card:focus {
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--shadow-xl);
}

.project-card__media {
    position: absolute;
    inset: 0;
}

.project-card__image,
.project-card__video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slower) var(--ease-out-expo);
}

.project-card:hover .project-card__image,
.project-card:focus .project-card__image {
    transform: scale(1.08);
}

.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) 60%,
            transparent 100%);
    opacity: 0.4;
    transition: opacity var(--transition-normal);
}

.project-card:hover .project-card__overlay,
.project-card:focus .project-card__overlay {
    opacity: 0.8;
}

.project-card__content {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--space-8);
    z-index: 1;
    transform: translateY(10px);
    opacity: 0.9;
    transition: transform var(--transition-normal) var(--ease-out-expo),
        opacity var(--transition-normal);
}

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

.project-card__title {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-semibold);
    color: #ffffff;
    margin-bottom: var(--space-2);
}

.project-card__subtitle {
    font-size: var(--font-size-base);
    color: rgba(255, 255, 255, 0.7);
}

/* Video project badge */
.project-card--video .project-card__play-indicator {
    position: absolute;
    top: var(--space-6);
    right: var(--space-6);
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 50%;
    color: #ffffff;
    z-index: 1;
    transition: transform var(--transition-normal) var(--ease-out-expo),
        background-color var(--transition-normal);
}

.project-card--video:hover .project-card__play-indicator {
    transform: scale(1.1);
    background-color: rgba(255, 255, 255, 0.3);
}

/* Reveal animation states - disabled */


/* Stagger animation delays - disabled */


/* 
=====================================================
8. PROJECT DETAIL MODAL
=====================================================
*/
.project-detail {
    position: fixed;
    inset: 0;
    z-index: var(--z-modal);
    background-color: var(--color-bg);
    overflow-y: auto;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-slow) var(--ease-out-expo),
        visibility var(--transition-slow);
}

.project-detail.active {
    opacity: 1;
    visibility: visible;
}

.project-detail__container {
    min-height: 100vh;
    position: relative;
}

.project-detail__close {
    position: fixed;
    top: var(--space-6);
    right: var(--space-6);
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-bg-elevated);
    border-radius: 50%;
    box-shadow: var(--shadow-md);
    z-index: 10;
    transition: transform var(--transition-fast),
        box-shadow var(--transition-fast);
}

.project-detail__close:hover,
.project-detail__close:focus {
    transform: scale(1.1);
    box-shadow: var(--shadow-lg);
}

.project-detail__content {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s var(--ease-out-expo) 0.2s,
        transform 0.6s var(--ease-out-expo) 0.2s;
}

.project-detail.active .project-detail__content {
    opacity: 1;
    transform: translateY(0);
}

/* Hero */
.project-detail__hero {
    width: 100%;
    height: 60vh;
    min-height: 400px;
    max-height: 700px;
    overflow: hidden;
}

.project-detail__hero-image,
.project-detail__hero-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Info */
.project-detail__info {
    max-width: 900px;
    margin: 0 auto;
    padding: var(--space-16) var(--container-padding);
}

.project-detail__header {
    margin-bottom: var(--space-10);
}

.project-detail__title {
    font-size: clamp(var(--font-size-3xl), 5vw, var(--font-size-4xl));
    font-weight: var(--font-weight-bold);
    letter-spacing: var(--letter-spacing-tight);
    margin-bottom: var(--space-3);
}

.project-detail__subtitle {
    font-size: var(--font-size-xl);
    color: var(--color-text-secondary);
}

/* Meta info */
.project-detail__meta {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--space-8);
    padding: var(--space-8) 0;
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
    margin-bottom: var(--space-12);
}

.project-detail__meta-item {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.project-detail__meta-label {
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-text-tertiary);
}

.project-detail__meta-value {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-primary);
}

/* Sections */
.project-detail__section {
    margin-bottom: var(--space-12);
}

.project-detail__section-title {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-wide);
    color: var(--color-text-tertiary);
    margin-bottom: var(--space-4);
}

.project-detail__text {
    font-size: var(--font-size-lg);
    line-height: var(--line-height-relaxed);
    color: var(--color-text-secondary);
    max-width: 800px;
}

.project-detail__text p {
    margin-bottom: var(--space-4);
}

.project-detail__list {
    margin: var(--space-4) 0 var(--space-6) var(--space-4);
    list-style-type: none;
}

.project-detail__list li {
    position: relative;
    padding-left: var(--space-6);
    margin-bottom: var(--space-3);
    color: var(--color-text-secondary);
}

.project-detail__list li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--color-accent);
    font-weight: bold;
}

/* Gallery Slider */
.project-detail__section--gallery {
    width: 100%;
    overflow: hidden;
    padding: var(--space-8) 0;
}

.project-detail__section--gallery .project-detail__section-title {
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
    padding: 0 var(--container-padding);
    margin-bottom: var(--space-8);
}

.project-detail__gallery-wrapper {
    position: relative;
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    padding: 0 var(--container-padding);
}

.project-detail__gallery {
    display: flex;
    overflow-x: auto;
    gap: var(--space-8);
    padding: var(--space-4) 0;
    scroll-behavior: smooth;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    /* Hide scrollbar for clean look */
    cursor: grab;
    user-select: none;
    width: 100%;
    scroll-padding: var(--container-padding);
}

.gallery-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background-color: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    color: var(--color-text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 10;
    transition: all var(--transition-fast);
    box-shadow: var(--shadow-md);
    opacity: 0;
}

.project-detail__gallery-wrapper:hover .gallery-nav {
    opacity: 1;
}

.gallery-nav:hover {
    background-color: var(--color-accent);
    color: var(--color-bg);
    transform: translateY(-50%) scale(1.1);
}

.gallery-nav--prev {
    left: var(--space-4);
}

.gallery-nav--next {
    right: var(--space-4);
}

.project-detail__gallery::-webkit-scrollbar {
    display: none;
}

.project-detail__gallery.active {
    cursor: grabbing;
}

.project-detail__gallery-item {
    flex: 0 0 clamp(300px, 60vw, 800px);
    /* Larger cards for better visibility */
    border-radius: var(--radius-xl);
    overflow: hidden;
    aspect-ratio: 16 / 10;
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-normal) var(--ease-out-quint),
        box-shadow var(--transition-normal);
}

.project-detail__gallery-item img,
.project-detail__gallery-item video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    /* Clean fill with rounded corners */
    pointer-events: none;
    /* Prevent interference with dragging */
}

.project-detail__gallery-item img {
    cursor: zoom-in;
    pointer-events: auto;
    /* Re-enable for lightbox click */
}

.project-detail__gallery-item:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--shadow-lg);
}

/* Lightbox System */
.lightbox {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal) var(--ease-out-quint);
}

.lightbox.active {
    opacity: 1;
    visibility: visible;
}

.lightbox__overlay {
    position: absolute;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.lightbox__image {
    position: relative;
    max-width: 90%;
    max-height: 85vh;
    border-radius: var(--radius-md);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.5);
    transform: scale(0.95);
    transition: transform var(--transition-normal) var(--ease-out-quint);
}

.lightbox.active .lightbox__image {
    transform: scale(1);
}

.lightbox__close {
    position: absolute;
    top: var(--space-8);
    right: var(--space-8);
    width: 48px;
    height: 48px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.lightbox__close:hover {
    background: #fff;
    color: #000;
    transform: rotate(90deg);
}

body.lightbox-open {
    overflow: hidden;
}

/* Actions */
.project-detail__actions {
    margin-top: var(--space-16);
    padding-top: var(--space-8);
    border-top: 1px solid var(--color-border);
}

.project-detail__back {
    display: inline-flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-4) var(--space-6);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    transition: color var(--transition-fast),
        border-color var(--transition-fast),
        transform var(--transition-fast);
}

.project-detail__back:hover,
.project-detail__back:focus {
    color: var(--color-text-primary);
    border-color: var(--color-text-primary);
    transform: translateX(-4px);
}

/* 
=====================================================
9. FOOTER
=====================================================
*/
.footer {
    background-color: var(--color-bg);
    border-top: 1px solid var(--color-border);
    padding: var(--space-24) 0 var(--space-8);
}

.footer__container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.footer__content {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: var(--space-16);
    margin-bottom: var(--space-16);
}

.footer__main {
    max-width: 480px;
}

.footer__title {
    font-size: clamp(var(--font-size-2xl), 4vw, var(--font-size-3xl));
    font-weight: var(--font-weight-bold);
    letter-spacing: var(--letter-spacing-tight);
    margin-bottom: var(--space-4);
}

.footer__text {
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-6);
}

.footer__email {
    display: inline-block;
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-primary);
    position: relative;
}

.footer__email::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--color-accent);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform var(--transition-normal) var(--ease-out-expo);
}

.footer__email:hover::after,
.footer__email:focus::after {
    transform: scaleX(1);
    transform-origin: left;
}

.footer__links-title {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-wide);
    color: var(--color-text-tertiary);
    margin-bottom: var(--space-4);
}

.footer__social {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.footer__social-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
}

.footer__social-link:hover,
.footer__social-link:focus {
    color: var(--color-text-primary);
}

.footer__social-link svg {
    opacity: 0;
    transform: translateX(-4px);
    transition: opacity var(--transition-fast),
        transform var(--transition-fast);
}

.footer__social-link:hover svg,
.footer__social-link:focus svg {
    opacity: 1;
    transform: translateX(0);
}

.footer__bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--space-8);
    border-top: 1px solid var(--color-border-light);
}

.footer__copyright,
.footer__made-with {
    font-size: var(--font-size-sm);
    color: var(--color-text-tertiary);
}

/* 
=====================================================
9. ABOUT PAGE
=====================================================
*/
.header--minimal {
    padding-bottom: var(--space-8);
}

.section-padding {
    padding: var(--space-32) 0;
}

.container--about {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: var(--space-20);
    align-items: center;
}

.about__label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-tertiary);
    margin-bottom: var(--space-8);
    text-transform: uppercase;
    letter-spacing: 0.2em;
}

.about__title {
    font-size: clamp(var(--font-size-4xl), 8vw, var(--font-size-6xl));
    font-weight: var(--font-weight-bold);
    letter-spacing: var(--letter-spacing-tight);
    line-height: 0.9;
    margin-bottom: var(--space-12);
}

.about__text {
    max-width: 600px;
}

.about__text p {
    font-size: var(--font-size-lg);
    line-height: var(--line-height-relaxed);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-6);
}

.about__text p:first-child {
    font-weight: var(--font-weight-medium);
    color: var(--color-text-primary);
}

.about__image-container {
    width: 100%;
    aspect-ratio: 4 / 3;
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

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

/* 
=====================================================
10. ANIMATIONS
=====================================================
*/
/* Scroll Reveal */
.reveal-item {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s var(--ease-out-quint),
        transform 0.8s var(--ease-out-quint);
    will-change: opacity, transform;
}

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

/* Staggered reveals for children */
.reveal-item.reveal-active:nth-child(1) {
    transition-delay: 0.1s;
}

.reveal-item.reveal-active:nth-child(2) {
    transition-delay: 0.2s;
}

.reveal-item.reveal-active:nth-child(3) {
    transition-delay: 0.3s;
}

.reveal-item.reveal-active:nth-child(4) {
    transition-delay: 0.4s;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

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

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes scrollPulse {
    0% {
        transform: scaleY(0);
        transform-origin: top;
    }

    50% {
        opacity: 1;
        transform: scaleY(1);
    }
}

/* 
=====================================================
11. RESPONSIVE BREAKPOINTS
=====================================================
*/

/* Tablet (768px and down) */
@media (max-width: 768px) {
    :root {
        --container-padding: var(--space-5);
        --grid-gap: var(--space-5);
    }

    .nav {
        padding: var(--space-5) var(--container-padding);
    }

    .nav__logo {
        display: none;
    }

    .nav__links {
        gap: var(--space-8);
        flex-grow: 1;
        justify-content: center;
    }

    .hero {
        padding-top: var(--space-32);
    }

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

    .work {
        padding: var(--space-16) var(--container-padding);
    }

    .work__header {
        margin-bottom: var(--space-12);
    }

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

    .project-card {
        aspect-ratio: 16 / 10;
    }

    .project-card__content {
        padding: var(--space-6);
    }

    .project-card__title {
        font-size: var(--font-size-xl);
    }

    .project-detail__hero {
        height: 40vh;
        min-height: 280px;
    }

    .project-detail__info {
        padding: var(--space-10) var(--container-padding);
    }

    .project-detail__meta {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-6);
    }

    .footer__content {
        grid-template-columns: 1fr;
        gap: var(--space-10);
    }

    .footer__bottom {
        flex-direction: column;
        gap: var(--space-3);
        text-align: center;
    }

    /* About Responsive */
    .container--about {
        grid-template-columns: 1fr;
        gap: var(--space-12);
    }

    .about__title {
        margin-bottom: var(--space-8);
    }

    .section-padding {
        padding: var(--space-20) 0;
    }

    .about__image-container {
        order: -1;
    }
}

/* Mobile (480px and down) */
@media (max-width: 480px) {
    :root {
        --container-padding: var(--space-4);
    }

    .nav__links {
        gap: var(--space-6);
    }

    .hero {
        padding-top: var(--space-32);
    }

    .nav__name {
        font-size: var(--font-size-sm);
    }

    .nav__link {
        font-size: var(--font-size-xs);
    }

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

    .hero__subtitle {
        margin-bottom: var(--space-4);
    }

    .hero__tagline {
        margin-bottom: var(--space-8);
    }

    .hero__cta {
        padding: var(--space-3) var(--space-5);
        font-size: var(--font-size-sm);
    }

    .work__title {
        font-size: var(--font-size-2xl);
    }

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

    .project-card__title {
        font-size: var(--font-size-lg);
    }

    .project-card__subtitle {
        font-size: var(--font-size-sm);
    }

    .project-detail__close {
        top: var(--space-4);
        right: var(--space-4);
        width: 40px;
        height: 40px;
    }

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

    .project-detail__text {
        font-size: var(--font-size-base);
    }

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

    .footer {
        padding: var(--space-16) 0 var(--space-6);
    }

    .footer__title {
        font-size: var(--font-size-xl);
    }
}

/* Large screens (1440px and up) */
@media (min-width: 1440px) {
    :root {
        --container-padding: var(--space-10);
    }

    .work__grid {
        gap: var(--space-8);
    }
}

/* Ultrawide screens (1920px and up) */
@media (min-width: 1920px) {
    :root {
        --container-max: 1600px;
    }

    .hero__text {
        max-width: 840px;
    }
}

/* Reduced motion preference */
@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    html {
        scroll-behavior: auto;
    }

    .project-card.reveal {
        opacity: 1;
        transform: none;
    }
}

/* High contrast mode */
@media (prefers-contrast: high) {
    :root {
        --color-text-secondary: #262626;
        --color-text-tertiary: #404040;
        --color-border: #a3a3a3;
    }
}

/* Print styles */
@media print {

    .nav,
    .hero__cta,
    .hero__scroll-indicator,
    .project-detail,
    .footer__social {
        display: none;
    }

    body {
        color: #000;
        background: #fff;
    }

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

    .project-card {
        break-inside: avoid;
    }
}