/* ========================================
   CSS CUSTOM PROPERTIES & DESIGN TOKENS
   ======================================== */

:root {
    /* Colors */
    --color-black: #000000;
    --color-white: #ffffff;
    --color-gray-100: #f5f5f5;
    --color-gray-200: #e9e9e9;
    --color-gray-300: #d0d0d0;
    --color-gray-400: #a1a1a1;
    --color-gray-500: #808080;
    --color-gray-600: #333333;
    --color-gray-700: #1a1a1a;

    /* Semantic Colors */
    --color-bg-primary: var(--color-black);
    --color-text-primary: var(--color-white);
    --color-text-secondary: var(--color-gray-400);
    --color-border: rgba(255, 255, 255, 0.1);
    --color-border-light: rgba(255, 255, 255, 0.05);
    --color-overlay: rgba(0, 0, 0, 0);
    --color-overlay-dark: rgba(0, 0, 0, 0.8);

    /* Typography */
    --font-family-display: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-family-body: var(--font-family-display);
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --font-weight-extrabold: 800;

    --font-size-xs: 12px;
    --font-size-sm: 14px;
    --font-size-base: 16px;
    --font-size-lg: 18px;
    --font-size-xl: 24px;
    --font-size-2xl: 32px;
    --font-size-3xl: 48px;
    --font-size-4xl: 64px;

    --line-height-tight: 1.2;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.75;

    /* Spacing */
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 32px;
    --space-2xl: 48px;
    --space-3xl: 64px;
    --space-4xl: 80px;

    /* Sizing */
    --container-max-width: 1400px;
    --container-padding: var(--space-xl);

    /* Border Radius */
    --radius-xs: 4px;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-full: 9999px;

    /* Z-index */
    --z-header: 1000;
    --z-modal: 2000;
    --z-toast: 3000;

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);

    /* Backdrop Filter */
    --backdrop-blur: blur(16px);
}

/* ========================================
   BASE STYLES
   ======================================== */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    max-width: 100% !important;
    overflow-x: hidden;
}

body {
    font-family: var(--font-family-body);
    font-size: var(--font-size-base);
    line-height: var(--line-height-normal);
    color: var(--color-text-primary);
    background-color: var(--color-bg-primary);
    margin: 0;
    padding: 0;
    max-width: 100% !important;
    overflow-x: hidden;
    cursor: default;
    user-select: none;
    -webkit-user-select: none;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: var(--font-weight-extrabold);
    line-height: var(--line-height-tight);
}

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-normal);
}

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

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

/* ========================================
   STICKY HEADER WITH GLASSMORPHISM
   ======================================== */

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 64px;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: var(--backdrop-blur);
    border-bottom: 1px solid var(--color-border);
    z-index: var(--z-header);
    transition: background-color var(--transition-normal),
                border-color var(--transition-normal);
}

.header.scrolled {
    background: rgba(0, 0, 0, 0.85);
    border-bottom-color: var(--color-border-light);
}

.header__nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
    padding: 0 var(--space-2xl);
    max-width: 1920px;
    margin: 0 auto;
}

.header__logo {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    letter-spacing: -0.5px;
}

.logo {
    display: flex;
    flex-direction: row;
    align-items: center;
    position: relative;
    line-height: 1.1;
    gap: 12px;
}

.logo__image {
    height: 40px;
    width: auto;
    object-fit: contain;
    flex-shrink: 0;
}

.logo__image.hidden {
    display: none;
}

.logo__text {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.logo__name {
    font-size: 18px;
    font-weight: var(--font-weight-bold);
    letter-spacing: -0.5px;
    display: block;
}

.logo__title {
    font-size: 11px;
    font-weight: var(--font-weight-semibold);
    letter-spacing: 0.5px;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    display: block;
}

.logo > div {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.logo::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--color-text-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-normal);
}

.logo:hover::after {
    transform: scaleX(1);
}

.header__menu {
    display: flex;
    gap: var(--space-3xl);
    list-style: none;
    align-items: center;
}

@media (max-width: 1200px) {
    .header__menu {
        gap: var(--space-xl);
    }
}

@media (max-width: 1024px) {
    .header__menu {
        gap: var(--space-md);
    }
    
    .footer__cta {
        padding: var(--space-sm) var(--space-md);
        font-size: var(--font-size-sm);
    }
}

.header__link {
    position: relative;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-secondary);
    transition: color var(--transition-normal);
}

.header__link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-text-primary);
    transition: width var(--transition-normal);
}

.header__link:hover {
    color: var(--color-text-primary);
}

.header__link:hover::after {
    width: 100%;
}

/* ========================================
   BURGER MENU & MOBILE NAVIGATION
   ======================================== */

.header__burger {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: None;
    padding: 0;
    width: 32px;
    height: 32px;
    justify-content: center;
}

.burger__line {
    width: 24px;
    height: 2px;
    background: var(--color-text-primary);
    transition: all var(--transition-normal);
    display: block;
}

.header__burger.active .burger__line--1 {
    transform: rotate(45deg) translate(8px, 8px);
}

.header__burger.active .burger__line--2 {
    opacity: 0;
}

.header__burger.active .burger__line--3 {
    transform: rotate(-45deg) translate(8px, -8px);
}

.mobile-menu {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: var(--backdrop-blur);
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-2xl) var(--space-xl);
    z-index: 999;
    animation: slideDown var(--transition-normal);
}

.mobile-menu.active {
    display: block;
}

.mobile-menu__list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.mobile-menu__link {
    display: block;
    padding: var(--space-md) 0;
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    transition: color var(--transition-normal);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.mobile-menu__link:hover {
    color: var(--color-text-primary);
}

.mobile-menu__link--cta {
    padding: var(--space-md) var(--space-lg);
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    text-align: center;
    border-bottom: 1px solid var(--color-border);
    margin-top: var(--space-md);
    transition: all var(--transition-normal);
}

.mobile-menu__link--cta:hover {
    background: rgba(255, 255, 255, 0.15);
    color: var(--color-text-primary);
}

@media (max-width: 768px) {
    .header__menu {
        display: none;
    }

    .header__burger {
        display: flex;
    }
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ========================================
   HERO SECTION
   ======================================== */

.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-3xl) max(var(--space-2xl), 10vw);
    padding-top: 64px;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.3) 0%, rgba(0, 0, 0, 0.1) 100%);
    pointer-events: none;
    z-index: 1;
}

/* Hero video bottom gradient, height: 900px - from bottom */
.hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 900px;
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0) 0%, rgba(0, 0, 0, 1) 100%);
    pointer-events: none;
    z-index: 1; /* Keep behind content */
}

@media (max-width: 768px) {
    .hero::after {
        height: 400px;
    }
}

.hero__video {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 0;
}

.hero__video.lazyload {
    opacity: 0;
    transition: opacity var(--transition-slow);
}

.hero__video.lazyloaded {
    opacity: 1;
}

.hero__content {
    position: relative;
    z-index: 5; /* Ensure content is above gradients */
    text-align: center;
    animation: fadeInUp 0.8s ease-out;
    width: 100%;
    max-width: 1200px;
    padding: 0 10vw;
}

@media (min-width: 1024px) {
    .hero__content {
        max-width: 70%;
        padding: 0;
    }
}

.hero__title {
    font-size: clamp(28px, 6vw, 50px);
    line-height: 1.15;
    margin-bottom: var(--space-3xl);
    letter-spacing: -0.5px;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    word-spacing: 0.1em;
}

@media (max-width: 860px) {
    .hero__title {
        font-size: clamp(20px, 4.5vw, 50px);
    }
}

@media (max-width: 480px) {
    .hero__title {
        font-size: clamp(16px, 4vw, 35px);
    }
}

.logo-slider {
    width: 80vw;
    position: relative;
    left: 50%;
    transform: translateX(-50%);
    margin-top: 3rem;
    overflow: hidden;
    padding: 2rem 0;
    z-index: 10;
    mask-image: linear-gradient(to right, transparent, black 15%, black 85%, transparent);
    -webkit-mask-image: linear-gradient(to right, transparent, black 15%, black 85%, transparent);
}

.logo-track {
    display: flex;
    align-items: center;
    width: max-content;
    animation: logo-scroll var(--logo-scroll-duration, 25s) linear infinite;
    will-change: transform;
}

.logo-track img {
    height: 60px;
    padding-right: 120px; /* Fixed padding for consistent math */
    vertical-align: middle;
    transition: transform 0.3s ease, filter 0.3s ease;
    flex-shrink: 0;
    display: block;
}

.logo-track img:hover {
    transform: scale(1.15);
    filter: drop-shadow(0 0 10px rgba(255, 255, 255, 0.4));
}

@keyframes logo-scroll {
    0% {
        transform: translate3d(0, 0, 0);
    }
    100% {
        transform: translate3d(calc(-1 * var(--logo-scroll-distance, 50%)), 0, 0);
    }
}

@media (max-width: 768px) {
    .logo-slider {
        width: 100vw;
        left: 50%;
        transform: translateX(-50%);
        /* Softer mask on mobile to keep logos visible longer */
        mask-image: linear-gradient(to right, transparent, black 5%, black 95%, transparent);
        -webkit-mask-image: linear-gradient(to right, transparent, black 5%, black 95%, transparent);
    }
    
    .logo-track {
        --logo-scroll-duration: 15s; /* Faster rotation on mobile */
    }

    .logo-track img {
        height: 40px;
        padding-right: 40px; /* Reduced gap */
    }
}

.hero__categories {
    display: none;
}

.works-categories {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
    justify-content: center;
    margin-bottom: var(--space-3xl);
    padding-bottom: var(--space-2xl);
    border-bottom: 1px solid var(--color-border);
}

.category-btn {
    padding: var(--space-sm) var(--space-lg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: var(--backdrop-blur);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-secondary);
    transition: all var(--transition-normal);
}

.category-btn:hover,
.category-btn.category-btn--active {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--color-text-primary);
    color: var(--color-text-primary);
}

.category-btn:active {
    transform: scale(0.95);
}

/* ========================================
   SECTION LAYOUTS
   ======================================== */

section {
    padding: var(--space-4xl) var(--space-2xl);
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-3xl);
}

.section-title {
    font-size: var(--font-size-4xl);
    margin-bottom: var(--space-md);
    letter-spacing: -1px;
    animation: fadeInUp var(--transition-normal);
}

.section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto;
    animation: fadeInUp var(--transition-normal) 0.1s both;
}

@supports (content-visibility: auto) {
    .about,
    .all-works,
    .contact,
    .footer {
        content-visibility: auto;
        contain-intrinsic-size: 1000px;
    }
}

/* ========================================
   FEATURED PROJECTS
   ======================================== */

.featured {
    background: var(--color-bg-primary);
    padding: var(--space-4xl) 0;
}

.projects-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr 1fr;
    grid-template-rows: repeat(3, 1fr);
    row-gap: 8px;
    column-gap: 8px;
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 var(--space-md);
    background-color: transparent;
    align-items: center; /* Vertically center all items in their rows */
}

@media (max-width: 1024px) {
    .projects-grid {
        grid-template-columns: 1fr 1fr;
        grid-template-rows: auto;
        max-width: 1000px;
        row-gap: 20px;
        column-gap: 32px;
        align-items: start;
    }

    .project-card {
        justify-self: stretch !important;
        align-self: auto !important;
        margin-top: 0 !important;
        margin-bottom: 0 !important;
    }

    .project-card:nth-child(even) {
        margin-top: 20px !important;
    }
}

@media (max-width: 600px) {
    .projects-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        row-gap: 16px;
    }
}

.project-card {
    position: relative;
    width: 100%;
    aspect-ratio: 1 / 1;
    overflow: hidden;
    text-decoration: none;
    display: flex;
    flex-direction: column;
    background-color: var(--color-bg-primary);
    border-radius: 12px;
}

/* Horizontal alignment: Stick to the middle column */
.project-card:nth-child(3n-2) {
    justify-self: end;
}

.project-card:nth-child(3n) {
    justify-self: start;
}

/* Row 1, Columns 1 & 3 - move down to overlap with middle row */
.project-card:nth-child(1),
.project-card:nth-child(3) {
    align-self: end;
    margin-bottom: -33px;
    position: relative;
    z-index: 10;
}

/* Row 3, Columns 1 & 3 - move up to overlap with middle row */
.project-card:nth-child(7),
.project-card:nth-child(9) {
    align-self: start;
    margin-top: -33px;
    position: relative;
    z-index: 10;
}

@media (max-width: 600px) {
    .project-card:nth-child(1),
    .project-card:nth-child(3),
    .project-card:nth-child(7),
    .project-card:nth-child(9) {
        align-self: stretch;
        margin: 0;
    }
}

.project-card--profile {
    grid-column: 2;
    grid-row: 1;
}

@media (max-width: 1024px) {
    .project-card--profile {
        grid-column: span 1;
        grid-row: auto;
    }
}

/* Restore colors on active touch/interaction state */
.project-card.hover-active .project-card__image,
.work-item.hover-active .work-item__image {
    filter: grayscale(0%) !important;
}

/* Limit hover-only color activation to hover-capable pointers */
@media (hover: hover) {
    .project-card:hover .project-card__image,
    .work-item:hover .work-item__image {
        filter: grayscale(0%) !important;
    }
}

.project-card__image {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(100%);
    transition: opacity var(--transition-normal), filter 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.project-card__image--2 {
    opacity: 0;
    z-index: 2;
}

/* Desktop hover effects */
@media (hover: hover) {
    .project-card--has-image2:hover .project-card__image--1 { opacity: 0; }
    .project-card--has-image2:hover .project-card__image--2 { opacity: 1; }
    .project-card--has-video:hover .project-card__video { opacity: 1; }
    .project-card--has-video:hover .project-card__image { opacity: 0; }
}

/* Mobile touch logic (Consolidated) */
@media (hover: none) {
    /* Image 2 handling */
    .project-card.hover-active.project-card--has-image2 .project-card__image--1,
    .work-item.hover-active[data-has-image2] .work-item__image--1 {
        opacity: 0;
    }

    .project-card.hover-active.project-card--has-image2 .project-card__image--2,
    .work-item.hover-active[data-has-image2] .work-item__image--2 {
        opacity: 1;
        z-index: 3;
    }

    /* Video handling */
    .project-card.hover-active.project-card--has-video .project-card__video,
    .work-item.hover-active[data-has-video] .work-item__video {
        opacity: 1;
        z-index: 4;
    }

    .project-card.hover-active.project-card--has-video .project-card__image,
    .work-item.hover-active[data-has-video] .work-item__image {
        opacity: 0;
    }
}

.project-card__video {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    z-index: 3;
    background: var(--color-bg-primary);
    transition: opacity 0.3s ease;
    pointer-events: none;
}

/* All works (work-item) base styles */
.work-item {
    position: relative;
    aspect-ratio: 1 / 1.1;
    border-radius: var(--radius-lg);
    overflow: hidden;
    cursor: pointer;
    animation: fadeInUp var(--transition-normal);
    background-color: var(--color-bg-primary);
}

@media (max-width: 768px) {
    .work-item {
        aspect-ratio: 1 / 1.1 !important;
    }
}

.work-item__image {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(100%);
    opacity: 1;
    transition: opacity 0.3s ease, filter 0.4s ease;
    z-index: 1;
}

.work-item__image--2 {
    opacity: 0;
    z-index: 2;
}

/* Work item hover desktop */
@media (hover: hover) {
    .work-item[data-has-image2]:hover .work-item__image--1 { opacity: 0; }
    .work-item[data-has-image2]:hover .work-item__image--2 { opacity: 1; }
    .work-item[data-has-video]:hover .work-item__video { opacity: 1; }
    .work-item[data-has-video]:hover .work-item__image { opacity: 0; }
}

.project-card__content {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding: 24px;
    z-index: 20;
}

.project-card__cta {
    width: 90%;
    max-width: 280px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 100px;
    color: #fff;
    font-size: 15px;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.3s ease;
}

.project-card:hover .project-card__cta {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.4);
    transform: translateY(-4px);
}

.project-card--profile .project-card__cta { background: rgba(255, 255, 255, 0.15); }

.project-card__cta--hover { display: none !important; }
.project-card:hover .project-card__cta--hover { display: flex !important; }
.project-card__cta--hidden { display: none !important; }

.project-card--follow-cursor { transition: transform 0.1s ease-out; }

/* ========================================
   ABOUT SECTION
   ======================================== */

.about {
    max-width: 1400px;
    margin: 0 auto;
}

.about__content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: start;
}

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

.about__text {
    animation: fadeInUp var(--transition-normal);
}

.about__bio {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
    margin-bottom: var(--space-2xl);
}

.skills {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
    margin-bottom: var(--space-2xl);
}

.skill-tag {
    display: inline-block;
    padding: 8px 16px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    color: var(--color-text-primary);
    transition: all var(--transition-normal);
}

.skill-tag:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--color-text-primary);
    transform: translateY(-2px);
}

.experience {
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
    padding-top: var(--space-xl);
    border-top: 1px solid var(--color-border);
}

.experience__item {
    animation: fadeInUp var(--transition-normal);
}

.experience__role {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    margin-bottom: var(--space-xs);
}

.experience__position {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-xs);
}

.experience__period {
    font-size: var(--font-size-xs);
    color: var(--color-gray-500);
}

.about__images {
    animation: fadeInUp var(--transition-normal) 0.2s both;
}

.about__image {
    width: 100%;
    border-radius: var(--radius-lg);
    object-fit: cover;
}

/* ========================================
   ALL WORKS SECTION
   ======================================== */

.all-works {
    background: var(--color-bg-primary);
}

.works-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--space-2xl);
    max-width: 1400px;
    margin: 0 auto;
}

.work-item {
    position: relative;
    aspect-ratio: 1 / 1.1;
    border-radius: var(--radius-lg);
    overflow: hidden;
    cursor: pointer;
    animation: fadeInUp var(--transition-normal);
    background-color: var(--color-bg-primary);
}

.work-item__image {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(100%);
    opacity: 1;
    transition: opacity 0.2s ease, filter 0.4s ease;
    z-index: 1;
}

.work-item.hover-active .work-item__image--1 {
    filter: grayscale(0%);
}

@media (hover: hover) {
    .work-item:hover .work-item__image--1 {
        filter: grayscale(0%);
    }
}

.work-item__image--2 {
    opacity: 0;
    z-index: 2;
}

.work-item[data-has-image2].hover-active .work-item__image--1 {
    opacity: 0;
}

.work-item[data-has-image2].hover-active .work-item__image--2 {
    opacity: 1;
    filter: grayscale(0%);
}

@media (hover: hover) {
    .work-item[data-has-image2]:hover .work-item__image--1 {
        opacity: 0;
    }

    .work-item[data-has-image2]:hover .work-item__image--2 {
        opacity: 1;
        filter: grayscale(0%);
    }
}

.work-item__video {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    z-index: 3;
    transition: opacity 0.15s ease;
    pointer-events: none;
}

.work-item[data-has-video].hover-active .work-item__video {
    opacity: 1;
}

.work-item[data-has-video].hover-active .work-item__image {
    opacity: 0;
}

@media (hover: hover) {
    .work-item[data-has-video]:hover .work-item__video {
        opacity: 1;
    }

    .work-item[data-has-video]:hover .work-item__image {
        opacity: 0;
    }
}

/* ========================================
   CONTACT SECTION
   ======================================== */

.contact {
    position: relative;
    background: linear-gradient(135deg, var(--color-bg-primary) 0%, var(--color-gray-600) 100%);
    width: 100%;
    padding: var(--space-4xl) var(--space-2xl);
    overflow: hidden;
}

.contact::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.5) 0%, rgba(0, 0, 0, 0.3) 100%);
    pointer-events: none;
    z-index: 2;
}

.contact__video {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 0;
}

.contact__header {
    text-align: center;
    margin-bottom: var(--space-4xl);
    animation: fadeInUp var(--transition-normal);
    position: relative;
    z-index: 3;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

.contact__header .section-title {
    margin-bottom: var(--space-lg);
}

.contact__subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
}

.contact__wrapper {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: var(--space-3xl);
    margin-bottom: var(--space-4xl);
    animation: fadeInUp calc(var(--transition-normal) + 100ms);
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
    z-index: 3;
}

.contact__card {
    padding: var(--space-2xl);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    backdrop-filter: var(--backdrop-blur);
    height: fit-content;
}

.contact__card-title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--space-2xl);
    color: var(--color-text-primary);
}

.contact__footer {
    text-align: center;
    padding-top: var(--space-2xl);
    border-top: 1px solid var(--color-border);
    animation: fadeInUp calc(var(--transition-normal) + 200ms);
    position: relative;
    z-index: 3;
}

.contact__footer-text {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-lg);
}

/* ========================================
   FORM STYLES
   ======================================== */

.contact-form {
    padding: var(--space-2xl);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    backdrop-filter: var(--backdrop-blur);
}

.form-group {
    margin-bottom: var(--space-lg);
}

.form-input {
    width: 100%;
    padding: var(--space-md);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text-primary);
    font-family: inherit;
    font-size: inherit;
    transition: all var(--transition-normal);
}

.form-input::placeholder {
    color: var(--color-text-secondary);
}

.form-input:focus {
    outline: none;
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--color-text-primary);
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.05);
}

.form-textarea {
    resize: vertical;
    min-height: 150px;
}

/* ========================================
   BUTTONS
   ======================================== */

.btn {
    display: inline-block;
    padding: var(--space-md) var(--space-2xl);
    border-radius: var(--radius-lg);
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-base);
    transition: all var(--transition-normal);
    cursor: pointer;
}

.btn--primary {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid var(--color-text-primary);
    color: var(--color-text-primary);
}

.btn--primary:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(255, 255, 255, 0.1);
}

.btn--primary:active {
    transform: translateY(0);
}

.btn--secondary {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--color-border);
    color: var(--color-text-secondary);
}

.btn--secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--color-text-primary);
    color: var(--color-text-primary);
}

/* ========================================
   CONTACT INFO
   ======================================== */

.contact-info {
    display: grid;
    gap: var(--space-lg);
}

.contact-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    transition: all var(--transition-normal);
}

.contact-item:hover {
    color: var(--color-text-primary);
}

.contact-icon {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
    stroke-width: 2;
}

/* ========================================
   SOCIAL LINKS
   ======================================== */

.social-links {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--color-border);
    color: var(--color-text-secondary);
    transition: all var(--transition-normal);
}

.social-link:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--color-text-primary);
    color: var(--color-text-primary);
    transform: translateY(-2px);
}

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

.footer {
    border-top: 1px solid var(--color-border);
    padding: var(--space-2xl) 0;
    margin-top: var(--space-4xl);
}

.footer__content {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-2xl);
    margin-bottom: var(--space-2xl);
}

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

.footer__avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.1);
    flex-shrink: 0;
    border: 1px solid var(--color-border);
}

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

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

.footer__name {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    margin: 0;
}

.footer__title {
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-secondary);
    margin: 0;
}

.footer__nav {
    display: flex;
    gap: var(--space-2xl);
    flex: 1;
    justify-content: center;
}

.footer__nav-link {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: color var(--transition-normal);
}

.footer__nav-link:hover {
    color: var(--color-text-primary);
}

.footer__cta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-lg);
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-full);
    color: var(--color-text-primary);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    text-decoration: none;
    transition: all var(--transition-normal);
    flex-shrink: 0;
}

.footer__cta:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
}

.footer__cta svg {
    width: 16px;
    height: 16px;
}

.footer__bottom {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.footer__copyright {
    margin: 0;
}

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

.footer__attribution svg {
    width: 16px;
    height: 16px;
    color: #ff6b6b;
}

/* ========================================
   FIXED MODAL & CAROUSEL (MOBIILI & TYÖPÖYTÄ)
   ======================================== */

.modal {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: none;
    padding: 0;
    margin: 0;
    z-index: 2000;
    width: 100vw;
    height: 100vh;
    max-width: 100vw;
    max-height: 100vh;
    display: none;
    overflow: hidden; /* Estää taustan rullauksen */
}

.modal[open] {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal__container {
    position: relative;
    width: 90%;
    max-width: 1000px;
    max-height: 90vh;
    background: #121212;
    border-radius: 16px;
    overflow-y: auto; /* Sallii rullauksen pystysuunnassa */
    overflow-x: hidden; /* Estää sivuttaisen irvistämisen */
    display: flex;
    flex-direction: column;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.modal__close {
    position: absolute;
    top: 15px;
    right: 15px;
    width: 44px;
    height: 44px;
    background: rgba(0, 0, 0, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    color: white;
    font-size: 32px;
    z-index: 1000;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
}

.modal__content {
    display: flex;
    flex-direction: column;
    width: 100%;
}

/* Karuselli ja kuva-alue */
.modal__image {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 9;
    background: #000;
    flex-shrink: 0;
    overflow: hidden;
}

.carousel__container {
    width: 100%;
    height: 100%;
}

.carousel__image {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    transition: opacity 0.4s ease;
    pointer-events: none;
}

.carousel__image--active {
    opacity: 1;
    pointer-events: auto;
}

/* Karusellin navigointi */
.carousel__nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 48px;
    height: 48px;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    color: white;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
}

.carousel__indicators {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
    z-index: 10;
}

.carousel__dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.4);
}

.carousel__dot--active {
    background: white;
    width: 20px;
    border-radius: 4px;
}

/* Tekstisisältö */
.modal__details {
    padding: 32px;
    box-sizing: border-box;
}

.modal__title {
    font-size: 32px;
    margin-bottom: 16px;
    color: #fff;
}

.modal__metadata {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* ========================================
   MOBIILIKORJAUKSET (KRIITTINEN EDGE-TO-EDGE)
   ======================================== */

@media (max-width: 768px) {
    .modal[open] {
        align-items: flex-start;
    }

    .modal__container {
        width: 100% !important;
        height: 100% !important;
        max-width: none !important;
        max-height: 100vh !important;
        border-radius: 0 !important;
        margin: 0 !important;
        position: fixed !important;
        inset: 0 !important;
        border: none !important;
    }

    .modal__image {
        aspect-ratio: 1 / 1 !important; /* Neliö toimii paremmin mobiilissa */
    }

    .modal__details {
        padding: 24px 20px 80px 20px !important;
    }

    .modal__metadata {
        grid-template-columns: 1fr !important; /* Metadata allekkain */
    }

    .modal__close {
        position: fixed !important; /* Pysyy näkyvissä rullatessa */
        top: 15px;
        right: 15px;
        background: rgba(0, 0, 0, 0.7);
    }
}

/* ========================================
   IMAGE CAROUSEL STYLES
   Features: Navigate through multiple project images
   - Carousel container holds all images/videos
   - Navigation buttons (prev/next) for browsing
   - Indicator dots show current position
   - Smooth transitions between images
   ======================================== */

.carousel__container {
    position: relative;
    width: 100%;
    height: 100%;
    border-radius: var(--radius-md);
    overflow: hidden;
}

.carousel__image {
    position: absolute;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.carousel__image--active {
    opacity: 1;
}

.carousel__nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 48px;
    height: 48px;
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-md);
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-normal);
    z-index: 10;
}

.carousel__nav:hover {
    background: rgba(255, 255, 255, 0.25);
    border-color: rgba(255, 255, 255, 0.5);
}

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

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

@media (max-width: 768px) {
    .carousel__nav {
        width: 40px;
        height: 40px;
    }

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

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

.carousel__indicators {
    position: absolute;
    bottom: var(--space-md);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: var(--space-sm);
    z-index: 10;
}

.carousel__dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.4);
    cursor: pointer;
    transition: all var(--transition-normal);
    border: 1px solid rgba(255, 255, 255, 0.5);
}

.carousel__dot--active {
    background: white;
    width: 24px;
    border-radius: 4px;
    border-color: white;
}

.carousel__dot:hover {
    background: rgba(255, 255, 255, 0.6);
}

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

.modal__title {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--space-md);
    color: white;
    font-weight: var(--font-weight-bold);
}

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

.modal__metadata {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
    margin-bottom: var(--space-lg);
    padding: var(--space-lg) 0;
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.modal__label {
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--space-sm);
}

.modal__value {
    font-size: var(--font-size-sm);
    color: var(--color-text-primary);
}

/* ========================================
   TOAST NOTIFICATIONS
   ======================================== */

.toast {
    position: fixed;
    bottom: var(--space-2xl);
    right: var(--space-2xl);
    padding: var(--space-lg) var(--space-xl);
    background: rgba(0, 0, 0, 0.9);
    border: 1px solid rgba(0, 200, 100, 0.5);
    border-radius: var(--radius-lg);
    backdrop-filter: var(--backdrop-blur);
    color: var(--color-text-primary);
    z-index: var(--z-toast);
    pointer-events: none;
    opacity: 0;
    transform: translateY(100px);
    transition: all var(--transition-normal);
}

.toast.show {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
    animation: slideUp var(--transition-normal);
}

/* ========================================
   ANIMATIONS
   ======================================== */

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideUp {
    from {
        transform: translateY(40px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

@keyframes slideDown {
    from {
        transform: translateY(-40px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* ========================================
   RESPONSIVE UTILITIES
   ======================================== */

@media (max-width: 1024px) {
    section {
        padding: var(--space-3xl) var(--space-2xl);
    }

    .section-title {
        font-size: var(--font-size-3xl);
    }

    .hero__title {
        font-size: clamp(32px, 6vw, 80px);
    }
}

@media (max-width: 768px) {
    :root {
        --space-2xl: 32px;
        --space-3xl: 48px;
        --font-size-4xl: 48px;
    }

    .header__menu {
        gap: var(--space-xl);
    }

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

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

    /* Reset desktop stagger/offset logic for clean mobile stacking */
    .projects-grid .project-card,
    .projects-grid .project-card:nth-child(even),
    .projects-grid .project-card:nth-child(3n-2),
    .projects-grid .project-card:nth-child(3n),
    .projects-grid .project-card:nth-child(1),
    .projects-grid .project-card:nth-child(3),
    .projects-grid .project-card:nth-child(7),
    .projects-grid .project-card:nth-child(9) {
        justify-self: stretch !important;
        align-self: stretch !important;
        margin-top: 0 !important;
        margin-bottom: 0 !important;
    }

    .contact {
        padding: var(--space-2xl) var(--space-lg);
    }

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

    .contact__header {
        margin-bottom: var(--space-2xl);
    }

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

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

    .footer__nav {
        flex-direction: column;
        gap: var(--space-md);
        width: 100%;
    }

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

    .footer__attribution {
        justify-content: center;
    }
}

@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* ========================================
   PRINT STYLES
   ======================================== */

/* ========================================
   CURSOR FOLLOWER STYLES
   ======================================== */

.cursor-follower {
    position: fixed;
    width: 12px;
    height: 12px;
    background: #ffffff;
    border-radius: 50%;
    pointer-events: none;
    z-index: 9999;
    box-shadow: 0 0 15px 5px rgba(255, 255, 255, 0.4);
    transition: transform 0.1s ease-out, opacity 0.3s ease;
    mix-blend-mode: difference;
    opacity: 0;
    left: 0;
    top: 0;
}

.cursor-follower.active {
    opacity: 1;
}

.cursor-follower.hover {
    transform: scale(2.5);
    background: rgba(255, 255, 255, 0.8);
    box-shadow: 0 0 20px 8px rgba(255, 255, 255, 0.5);
}