/* ============================================
   CSS Variables & Reset
   ============================================ */
:root {
    /* Colors */
    --color-bg: #0a0a0a;
    --color-bg-secondary: #111111;
    --color-bg-card: #1a1a1a;
    --color-bg-card-hover: #222222;
    --color-text: #ffffff;
    --color-text-secondary: #a0a0a0;
    --color-text-muted: #666666;
    --color-accent: #ffffff;
    --color-border: #2a2a2a;
    --color-tag-bg: #2a2a2a;
    --color-tag-nda: #ff6b6b;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-display: 'Unbounded', 'Inter', sans-serif;
    
    /* Sizes */
    --container-max: 1200px;
    --container-padding: 24px;
    --header-height: 88px;
    
    /* Spacing */
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 32px;
    --space-2xl: 48px;
    --space-3xl: 64px;
    --space-4xl: 96px;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.25s ease;
    --transition-slow: 0.4s ease;
}

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

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

body {
    font-family: var(--font-primary);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
    min-height: 100vh;
}

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

a:hover {
    opacity: 0.8;
}

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

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

ul, ol {
    list-style: none;
}

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

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

/* ============================================
   Header
   ============================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(0, 0, 0, 0.05);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.header__container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-height);
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.header__name {
    display: flex;
    align-items: center;
    gap: var(--space-md);

    font-size: 20px;
    font-weight: 400;
    letter-spacing: -0.02em;
}

.header__name:hover {
    opacity: 1;
}

.header__avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    object-fit: cover;
}

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

.header__lang {
    font-size: 20px;
    font-weight: 500;
    color: var(--color-text-secondary);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

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

.header__email,
.header__resume {
    font-size: 20px;
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
}

.header__email:hover {
    color: var(--color-text);
    opacity: 1;
}

.header__resume:hover {
    background: #FFFFFF;
    color: #000;
    opacity: 1;
}

.header__resume {
    padding: var(--space-sm) var(--space-md);
    background: var(--color-bg-card);
    border-radius: 50px;
    font-weight: 500;
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
    padding-top: calc(var(--header-height) + var(--space-4xl));
    padding-bottom: var(--space-3xl);
}

.hero__title {
    font-family: var(--font-display);
    font-size: clamp(28px, 4vw, 48px);
    font-weight: 200;
    line-height: 1.3;
    letter-spacing: -0.02em;
    max-width: 1000px;
}

.hero__name {
    color: var(--color-text);
}

.hero__bold {
    font-weight: 400;
}

.hero__inline-img {
    width: 64px;
    height: 64px;
    vertical-align: middle;
    display: inline;
}

/* ============================================
   Activities Section
   ============================================ */
.activities {
    padding: var(--space-2xl) 0;
}

.activities .container {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
}

.activities__block {
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    transition: transform var(--transition-base), background var(--transition-base);
}

.activities__emoji {
    font-size: 32px;
    display: block;
    margin-bottom: var(--space-md);
}

.activities__icon {
    width: 32px;
    height: 32px;
    display: block;
    margin-bottom: var(--space-md);
}

.activities__icon--wide {
    width: 144px;
    height: 32px;
}

.activities__heading {
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-sm);
}

.activities__list {
    font-size: 18px;
    font-weight: 500;
    line-height: 1.4;
}

/* ============================================
   Portfolio Grid
   ============================================ */
.portfolio {
    padding: var(--space-3xl) 0;
}

.portfolio__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
}

/* Project Card */
.project-card {
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
    cursor: pointer;
    display: flex;
    flex-direction: column;
}

.project-card:hover .project-card__content {
    background: var(--color-bg-card);
}

.project-card__image {
    aspect-ratio: 1 / 1;
    overflow: hidden;
    position: relative;
}

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

.project-card__img--empty {
    display: block;
}

.project-card__img--hover {
    position: absolute;
    top: 0;
    left: 0;
    opacity: 0;
    transition: opacity 0.5s ease;
}

.project-card:hover .project-card__img--hover {
    opacity: 1;
}

.project-card__image video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.project-card:hover .project-card__image video {
    transform: scale(1.05);
}

.project-card__placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #2a2a2a 0%, #1a1a1a 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-muted);
    font-size: 14px;
    transition: transform var(--transition-slow);
}

.project-card:hover .project-card__placeholder {
    transform: scale(1.05);
}

.project-card__placeholder--nda {
    background: linear-gradient(135deg, #3a2a2a 0%, #2a1a1a 100%);
    color: var(--color-tag-nda);
    font-weight: 600;
}

.project-card__content {
    position: relative;
    z-index: 3;
    padding: var(--space-lg);
    margin-top: calc(-1 * var(--radius-lg));
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    background: var(--color-bg-card);
    transition: background var(--transition-base);
    flex: 1;
}

.project-card__tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
}

.project-card__title {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: var(--space-sm);
    line-height: 1.3;
}

.project-card__company {
    font-size: 14px;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-md);
}

.project-card__description {
    font-size: 15px;
    color: var(--color-text-secondary);
    line-height: 1.5;
}

/* Wide project card (spans full grid width) */
.project-card--wide {
    grid-column: span 3;
}

.project-card__large_image {
    aspect-ratio: 3 / 1;
    overflow: hidden;
    position: relative;
    box-sizing: content-box;
    padding-bottom: 64px;
}

.project-card__large_image img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* ============================================
   Tags
   ============================================ */
.tag {
    display: inline-flex;
    align-items: center;
    padding: var(--space-xs) var(--space-sm);
    background: var(--color-tag-bg);
    border-radius: var(--radius-sm);
    font-size: 12px;
    font-weight: 500;
    color: var(--color-text-secondary);
}

.tag[data-type="web"] {
    background: linear-gradient(90deg, #71375C, #635BFF);
    color: #fff;
}

.tag[data-type="web-adaptive"] {
    background: linear-gradient(90deg, #376F71, #BBFF5B);
    color: #fff;
}

.tag[data-type="mobile"] {
    background: linear-gradient(90deg, #FFB909, #FF5BC3);
    color: #fff;
}

.tag--nda {
    background: rgba(255, 107, 107, 0.15);
    color: var(--color-tag-nda);
}

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

/* ============================================
   Pet Projects Card
   ============================================ */
.pet-card {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    aspect-ratio: 1920 / 1000;
    cursor: pointer;
}

.pet-card__img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform var(--transition-slow);
}

.pet-card:hover .pet-card__img {
    transform: scale(1.03);
}

.pet-card__overlay {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0);
    backdrop-filter: blur(0px);
    -webkit-backdrop-filter: blur(0px);
    transition: background 0.35s ease, backdrop-filter 0.35s ease, -webkit-backdrop-filter 0.35s ease;
}

.pet-card:hover .pet-card__overlay {
    background: rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.pet-card__text {
    font-family: var(--font-display);
    font-size: clamp(20px, 2.5vw, 32px);
    font-weight: 400;
    color: #fff;
    opacity: 0;
    transform: translateY(12px);
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.pet-card:hover .pet-card__text {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================
   Content Cards
   ============================================ */
.content-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
}

.content-card {
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    transition: transform var(--transition-base), background var(--transition-base);
    cursor: pointer;
}

.content-card:hover {
    transform: translateY(-4px);
    background: var(--color-bg-card-hover);
}

.content-card--telegram {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    text-decoration: none;
}

.content-card__cover {
    width: 80px;
    height: 80px;
    border-radius: var(--radius-md);
    object-fit: cover;
    flex-shrink: 0;
}

.content-card--telegram .content-card__title {
    font-family: var(--font-display);
    font-size: 26px;
    font-weight: 200;
    letter-spacing: -0.02em;
}

.content-card__body {
    flex: 1;
}

.content-card--telegram .content-card__description {
    margin-bottom: 0;
}

.content-card__title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: var(--space-sm);
    line-height: 1.3;
}

.content-card__description {
    font-size: 15px;
    color: var(--color-text-secondary);
    line-height: 1.5;
    margin-bottom: var(--space-md);
}

.content-card__meta {
    font-size: 13px;
    color: var(--color-text-muted);
}

.content-card__link {
    font-size: 14px;
    color: var(--color-text);
    text-decoration: underline;
    text-underline-offset: 3px;
}

.content-card__tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
}

.content-card--featured {
    background: linear-gradient(135deg, var(--color-bg-card) 0%, var(--color-bg-secondary) 100%);
}

/* ============================================
   About Section
   ============================================ */
.about-section {
    padding: var(--space-3xl) 0;
}

.about {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.about__text {
    padding: var(--space-xl);
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.about__title {
    font-family: var(--font-display);
    font-size: clamp(28px, 3vw, 40px);
    font-weight: 200;
    letter-spacing: -0.02em;
    margin-bottom: var(--space-lg);
    line-height: 1.2;
}

.about__paragraphs p {
    font-size: 16px;
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin-bottom: var(--space-md);
}

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

.about__photo {
    background: #8B4F4F;
    position: relative;
    min-height: 400px;
    overflow: hidden;
}

.about__photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: opacity 0.4s ease;
}

.about__photo-hover {
    position: absolute;
    top: 0;
    left: 0;
    opacity: 0;
}

.about:hover .about__photo-default {
    opacity: 0;
}

.about:hover .about__photo-hover {
    opacity: 1;
}

/* ============================================
   Showcase Section
   ============================================ */
.showcase-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
}

.showcase-item {
    aspect-ratio: 16 / 10;
    border-radius: var(--radius-lg);
    overflow: hidden;
    cursor: pointer;
    transition: transform var(--transition-base);
}

.showcase-item:hover {
    transform: scale(1.02);
}

.showcase-item__placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    color: var(--color-text-secondary);
    font-size: 14px;
}

/* ============================================
   Articles Grid
   ============================================ */
.articles-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
}

.article-card {
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: transform var(--transition-base);
    cursor: pointer;
}

.article-card:hover {
    transform: translateY(-4px);
}

.article-card__image {
    aspect-ratio: 1;
    overflow: hidden;
}

.article-card__placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #2a2a3a 0%, #1a1a2a 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    color: var(--color-text-muted);
    font-size: 13px;
    transition: transform var(--transition-slow);
}

.article-card:hover .article-card__placeholder {
    transform: scale(1.05);
}

.article-card--text {
    background: var(--color-bg-card);
    padding: var(--space-lg);
}

.article-card--text:hover {
    background: var(--color-bg-card-hover);
}

.article-card__body {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.article-card__title {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: var(--space-sm);
    line-height: 1.3;
}

.article-card__description {
    font-size: 14px;
    color: var(--color-text-secondary);
    line-height: 1.5;
    margin-bottom: var(--space-md);
    flex: 1;
}

.article-card__tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    margin-bottom: var(--space-sm);
}

.article-card__meta {
    font-size: 13px;
    color: var(--color-text-muted);
}

/* ============================================
   Case Page
   ============================================ */
.case-hero {
    padding-top: var(--header-height);
}

.case-hero__image {
    width: 100%;
    aspect-ratio: 1920 / 630;
    overflow: hidden;
}

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

.case-info {
    padding: var(--space-2xl) 0 var(--space-3xl);
}

.case-info__tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
}

.case-info__title {
    font-family: var(--font-primary);
    font-size: clamp(28px, 4vw, 48px);
    font-weight: 600;
    line-height: 1.2;
    letter-spacing: -0.02em;
    margin-bottom: var(--space-xl);
}

.case-info__description {
    max-width: 640px;
}

.case-info__description p {
    font-size: 18px;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

.case-info__meta {
    margin-top: var(--space-md);
    font-size: 14px !important;
    color: var(--color-text-muted) !important;
}

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

.case-section__title {
    font-family: var(--font-primary);
    font-size: 24px;
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: var(--space-md);
}

.case-section__text {
    font-size: 18px;
    color: var(--color-text-secondary);
    line-height: 1.6;
    max-width: 720px;
}

/* Section with edge-to-edge image */
.case-section--with-image {
    position: relative;
    overflow: visible;
}

.case-section--with-image .container {
    position: relative;
    z-index: 1;
}

.case-section__img-edge {
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(calc(-50% - 600px));
    width: 40%;
    aspect-ratio: 1 / 1;
    overflow: hidden;
}

.case-section__img-edge img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.case-image {
    width: 100%;
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin-top: var(--space-xl);
}

.case-image img {
    width: 100%;
    height: auto;
    display: block;
}

.case-image__caption {
    font-size: 14px;
    color: var(--color-text-muted);
    margin-top: var(--space-sm);
}

/* ============================================
   Image Compare Slider
   ============================================ */
.image-compare {
    width: 100%;
    border-radius: var(--radius-lg);
    overflow: hidden;
    user-select: none;
    -webkit-user-select: none;
}

.image-compare__wrapper {
    position: relative;
    overflow: hidden;
    cursor: ew-resize;
}

.image-compare__before,
.image-compare__after {
    display: block;
}

.image-compare__before img,
.image-compare__after img {
    width: 100%;
    height: auto;
    display: block;
}

.image-compare__after {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    clip-path: inset(0 0 0 50%);
}

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

.image-compare__slider {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%;
    width: 3px;
    transform: translateX(-50%);
    z-index: 10;
    pointer-events: none;
}

.image-compare__line {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%;
    width: 1.5px;
    transform: translateX(-50%);
    background: #fff;
    box-shadow: 0 0 8px rgba(0, 0, 0, 0.4);
}

.image-compare__handle {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 48px;
    height: 48px;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 2px solid #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
    transition: transform 0.15s ease, background 0.15s ease;
}

.image-compare__wrapper:active .image-compare__handle {
    transform: translate(-50%, -50%) scale(0.92);
    background: rgba(255, 255, 255, 0.25);
}

.image-compare__label {
    position: absolute;
    bottom: 16px;
    padding: 6px 14px;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    border-radius: 20px;
    font-size: 13px;
    font-weight: 500;
    color: #fff;
    pointer-events: none;
    z-index: 5;
}

.image-compare__label--before {
    left: 16px;
}

.image-compare__label--after {
    right: 16px;
}

/* Cursor Sparkles */
.sparkle {
    position: fixed;
    pointer-events: none;
    z-index: 9999;
    border-radius: 50%;
}

.sparkle--dot {
    animation: sparkle-fly 0.8s ease-out forwards;
    box-shadow: 0 0 4px 1px currentColor;
}

.sparkle--star {
    border-radius: 0;
    clip-path: polygon(
        50% 0%, 61% 35%, 98% 35%, 68% 57%,
        79% 91%, 50% 70%, 21% 91%, 32% 57%,
        2% 35%, 39% 35%
    );
    animation: sparkle-twinkle 0.9s ease-out forwards;
}

.sparkle--glow {
    animation: sparkle-float 1s ease-out forwards;
    filter: blur(1px);
    box-shadow: 0 0 6px 2px rgba(255, 240, 250, 0.6);
}

@keyframes sparkle-fly {
    0% {
        opacity: 1;
        transform: translate(0, 0) scale(1);
    }
    100% {
        opacity: 0;
        transform: translate(var(--sx), var(--sy)) scale(0);
    }
}

@keyframes sparkle-twinkle {
    0% {
        opacity: 0.8;
        transform: translate(0, 0) scale(0.5) rotate(0deg);
    }
    40% {
        opacity: 1;
        transform: translate(calc(var(--sx) * 0.4), calc(var(--sy) * 0.4)) scale(1.2) rotate(90deg);
    }
    100% {
        opacity: 0;
        transform: translate(var(--sx), var(--sy)) scale(0) rotate(180deg);
    }
}

@keyframes sparkle-float {
    0% {
        opacity: 0.6;
        transform: translate(0, 0) scale(0.8);
    }
    50% {
        opacity: 0.9;
    }
    100% {
        opacity: 0;
        transform: translate(var(--sx), var(--sy)) scale(0.2);
    }
}

.case-section__list {
    list-style: none;
    max-width: 720px;
}

.case-section__list li {
    position: relative;
    padding-left: 28px;
    font-size: 18px;
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin-bottom: var(--space-sm);
}

.case-section__list li::before {
    content: '\2192';
    position: absolute;
    left: 0;
    color: var(--color-text-secondary);
}

.case-section__list li:last-child {
    margin-bottom: 0;
}


.case-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
}

.case-cards__item {
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
}

.case-cards__heading {
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-md);
}

.case-cards__text {
    font-size: 18px;
    font-weight: 500;
    line-height: 1.4;
}

.case-cards__text p {
    font-size: inherit;
    font-weight: inherit;
    line-height: inherit;
    margin: 0;
}

.case-cards__text ul {
    list-style: none;
    margin-top: var(--space-sm);
}

.case-cards__text ul li {
    position: relative;
    padding-left: 20px;
    font-size: inherit;
    font-weight: inherit;
    line-height: inherit;
    margin-bottom: 4px;
}

.case-cards__text ul li::before {
    content: '\2192';
    position: absolute;
    left: 0;
    font-size: inherit;
}

.case-cards__text ul li:last-child {
    margin-bottom: 0;
}

.case-cards__label {
    display: block;
    font-size: inherit;
    font-weight: inherit;
    line-height: inherit;
    color: var(--color-text-muted);
    margin-top: var(--space-md);
    margin-bottom: 4px;
}

/* ============================================
   Related Cases
   ============================================ */
.related-cases {
    padding-top: var(--space-4xl);
    border-top: 1px solid var(--color-border);
}

.related-cases__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
    margin-top: var(--space-xl);
}

.related-card {
    display: flex;
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
    text-decoration: none;
    color: inherit;
    transition: transform var(--transition-base), background var(--transition-base);
}

.related-card:hover {
    transform: translateY(-4px);
    background: var(--color-bg-card-hover);
    opacity: 1;
}

.related-card__cover {
    flex-shrink: 0;
    width: 200px;
    aspect-ratio: 1 / 1;
    overflow: hidden;
    background: var(--color-bg-card);
    transition: background var(--transition-base);
}

.related-card:hover .related-card__cover {
    background: var(--color-bg-card-hover);
}

.related-card__cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform var(--transition-slow);
}

.related-card:hover .related-card__cover img {
    transform: scale(1.05);
}

.related-card__body {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: var(--space-lg);
    min-width: 0;
}

.related-card__tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
}

.related-card__title {
    font-size: 18px;
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: var(--space-sm);
}

.related-card__desc {
    font-size: 14px;
    color: var(--color-text-secondary);
    line-height: 1.5;
}

/* ============================================
   Footer
   ============================================ */
.footer {
    padding: var(--space-4xl) 0 var(--space-2xl);
}

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

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

.footer__social {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-card);
    border-radius: 50%;
    color: var(--color-text-secondary);
    transition: all var(--transition-fast);
}

.footer__social:hover {
    background: var(--color-bg-card-hover);
    color: var(--color-text);
    transform: translateY(-2px);
    opacity: 1;
}

.footer__copyright {
    font-size: 14px;
    color: var(--color-text-muted);
}

/* ============================================
   Animations
   ============================================ */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.7;
    }
}

/* Animation Classes */
.animate {
    opacity: 0;
}

.animate.fade-in-up {
    animation: fadeInUp 0.6s ease forwards;
}

.animate.fade-in {
    animation: fadeIn 0.6s ease forwards;
}

.animate.slide-in-left {
    animation: slideInLeft 0.6s ease forwards;
}

.animate.scale-in {
    animation: scaleIn 0.5s ease forwards;
}

/* Stagger delays */
.animate-delay-1 { animation-delay: 0.1s; }
.animate-delay-2 { animation-delay: 0.2s; }
.animate-delay-3 { animation-delay: 0.3s; }
.animate-delay-4 { animation-delay: 0.4s; }
.animate-delay-5 { animation-delay: 0.5s; }
.animate-delay-6 { animation-delay: 0.6s; }

/* Initial load animations */
.hero__title {
    animation: fadeInUp 0.8s ease 0.2s forwards;
    opacity: 0;
}

.header {
    animation: fadeIn 0.5s ease forwards;
}


/* Social icon bounce */
.footer__social:hover {
    animation: pulse 0.3s ease;
}


/* Content card arrow indicator */
.content-card {
    position: relative;
    overflow: hidden;
}

.content-card::before {
    content: '→';
    position: absolute;
    top: var(--space-lg);
    right: var(--space-lg);
    font-size: 20px;
    opacity: 0;
    transform: translateX(-10px);
    transition: all var(--transition-base);
}

.content-card:hover::before {
    opacity: 0.5;
    transform: translateX(0);
}

/* Smooth scroll indicator */
@keyframes scrollHint {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(8px);
    }
}

/* ============================================
   Responsive Styles
   ============================================ */

/* Tablet - Large */
@media (max-width: 1024px) {
    :root {
        --container-padding: 20px;
    }
    
    .hero__title {
        font-size: 36px;
    }
    
    .portfolio__grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-md);
    }

    .project-card--wide {
        grid-column: span 2;
    }

    .project-card__large_image {
        aspect-ratio: 2 / 1;
    }

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

    .case-info__title {
        font-size: 36px;
    }
}

/* Tablet - Small */
@media (max-width: 768px) {
    .about {
        grid-template-columns: 1fr;
    }

    .about__photo {
        min-height: 300px;
    }
}
@media (max-width: 768px) {
    :root {
        --header-height: 80px;
        --space-3xl: 48px;
        --space-4xl: 64px;
    }
    
    .header__container {
        padding: 0 var(--space-md);
    }
    
    .header__email {
        display: none;
    }
    
    .header__nav {
        gap: var(--space-md);
    }
    
    .hero {
        padding-top: calc(var(--header-height) + var(--space-3xl));
    }
    
    .hero__title {
        font-size: 28px;
    }

    .case-hero__image {
        aspect-ratio: auto;
        height: 280px;
    }

    .case-info__title {
        font-size: 28px;
    }

    .case-info__description p {
        font-size: 16px;
    }

    .case-section {
        padding: var(--space-2xl) 0;
    }

    .case-section__title {
        font-size: 20px;
    }

    .case-section__text {
        font-size: 16px;
    }

    .case-section__list li {
        font-size: 16px;
    }

    .case-section__img-edge {
        position: static;
        transform: none;
        width: 100%;
        aspect-ratio: 1 / 1;
        margin-top: var(--space-lg);
    }

    .related-cases__grid {
        grid-template-columns: 1fr;
    }

    .related-card {
        flex-direction: row;
    }

    .related-card__cover {
        width: 140px;
    }

    .activities .container {
        grid-template-columns: 1fr;
    }
    
    .activities__block {
        padding: var(--space-lg);
    }
    
    .portfolio__grid {
        grid-template-columns: 1fr;
    }

    .project-card--wide {
        grid-column: span 1;
        display: block;
    }

    .project-card__large_image {
        aspect-ratio: 1 / 1;
    }
    
    .content-grid {
        grid-template-columns: 1fr;
    }
    
    .showcase-grid {
        grid-template-columns: 1fr;
    }
    
    .articles-grid {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }
    
    .project-card__content {
        padding: var(--space-md);
    }
    
    .project-card__title {
        font-size: 18px;
    }
    
    .project-card__description {
        font-size: 14px;
    }
    
    .content-card {
        padding: var(--space-lg);
    }
    
    .content-card__title {
        font-size: 16px;
    }
    
    .footer__socials {
        gap: var(--space-md);
    }
    
    .footer__social {
        width: 40px;
        height: 40px;
    }
}

/* Mobile */
@media (max-width: 480px) {
    :root {
        --header-height: 72px;
        --container-padding: 16px;
        --space-2xl: 32px;
        --space-3xl: 40px;
        --space-4xl: 56px;
    }
    
    .header__name {
        font-size: 16px;
    }

    .header__avatar {
        width: 40px;
        height: 40px;
    }
    
    .header__resume {
        padding: var(--space-xs) var(--space-sm);
        font-size: 13px;
    }
    
    .header__lang {
        font-size: 13px;
    }
    
    .hero__title {
        font-size: 24px;
        line-height: 1.35;
    }

    .case-hero__image {
        height: 200px;
    }

    .case-info__title {
        font-size: 24px;
    }

    .case-cards {
        grid-template-columns: 1fr;
    }

    .case-cards__item {
        padding: var(--space-lg);
    }

    .case-cards__text {
        font-size: 16px;
    }

    .activities__emoji {
        font-size: 28px;
    }
    
    .activities__heading {
        font-size: 12px;
    }
    
    .activities__list {
        font-size: 16px;
    }
    
    .project-card__image {
        aspect-ratio: 1 / 1;
    }
    
    .project-card__tags {
        margin-bottom: var(--space-sm);
    }
    
    .tag {
        font-size: 11px;
        padding: 3px 6px;
    }
    
    .content-card--telegram {
        flex-direction: column;
        gap: var(--space-md);
    }
    
    .content-card__cover {
        width: 80px;
        height: 80px;
    }
    
    .article-card--text {
        padding: var(--space-md);
    }
    
    .article-card__title {
        font-size: 15px;
    }
    
    .article-card__description {
        font-size: 13px;
    }

    .related-card__cover {
        width: 120px;
    }

    .related-card__body {
        padding: var(--space-md);
    }

    .related-card__title {
        font-size: 16px;
    }

    .related-card__desc {
        font-size: 13px;
    }

    .footer {
        padding: var(--space-3xl) 0 var(--space-xl);
    }
    
    .footer__socials {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .footer__copyright {
        font-size: 13px;
        text-align: center;
    }
    
    /* Disable some hover effects on touch */
    .project-card:hover,
    .content-card:hover,
    .article-card:hover {
        transform: none;
    }
    
    .project-card:active,
    .content-card:active,
    .article-card:active {
        transform: scale(0.98);
    }
}

/* Extra Small Mobile */
@media (max-width: 360px) {
    .hero__title {
        font-size: 22px;
    }
    
    .header__resume {
        display: none;
    }
    
    .activities__list {
        font-size: 15px;
    }
}

/* Prefers Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .hero__title {
        animation: none;
        opacity: 1;
    }
    
    .animate {
        opacity: 1 !important;
        transform: none !important;
    }
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
    :root {
        --color-bg: #000000;
        --color-bg-card: #1a1a1a;
        --color-text: #ffffff;
        --color-border: #444444;
    }
    
    .tag {
        border: 1px solid var(--color-text-secondary);
    }
}

/* Dark Mode is default, but support light mode if needed */
@media (prefers-color-scheme: light) {
    /* Uncomment below to enable light mode support */
    /*
    :root {
        --color-bg: #ffffff;
        --color-bg-secondary: #f5f5f5;
        --color-bg-card: #f0f0f0;
        --color-bg-card-hover: #e8e8e8;
        --color-text: #0a0a0a;
        --color-text-secondary: #555555;
        --color-text-muted: #888888;
        --color-border: #e0e0e0;
        --color-tag-bg: #e5e5e5;
    }
    
    .header {
        background: rgba(255, 255, 255, 0.9);
    }
    */
}