/* ============================================
   IVAN NEMTINOV - Personal Website
   CSS Variables & Base Styles
   ============================================ */

:root {
    /* Colors */
    --color-bg: #FAFAFA;
    --color-bg-alt: #F0F4F8;
    --color-surface: #FFFFFF;
    --color-text: #1A1A2E;
    --color-text-muted: #6B7280;
    --color-text-light: #9CA3AF;
    --color-primary: #1E40AF;
    --color-primary-light: #3B82F6;
    --color-accent: #0D9488;
    --color-accent-light: #14B8A6;
    --color-border: #E5E7EB;
    --color-success: #059669;

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;
    --font-size-4xl: 2.5rem;
    --font-size-5xl: 3rem;

    /* 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;

    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;

    /* Container */
    --container-max: 1200px;
    --container-padding: var(--space-6);
}

/* ============================================
   Reset & Base
   ============================================ */

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

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

ul, ol {
    list-style: none;
}

/* ============================================
   Container
   ============================================ */

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

/* ============================================
   Section
   ============================================ */

.section {
    padding: var(--space-24) 0;
}

.section--alt {
    background-color: var(--color-bg-alt);
}

.section__title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--space-4);
    text-align: center;
}

.section__subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-muted);
    text-align: center;
    margin-bottom: var(--space-12);
}

/* ============================================
   Header & Navigation
   ============================================ */

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: rgba(250, 250, 250, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.nav__logo {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-text);
}

.nav__logo span {
    color: var(--color-primary);
}

.nav__menu {
    display: flex;
    align-items: center;
    gap: var(--space-8);
}

.nav__link {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text-muted);
    transition: color var(--transition-fast);
}

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

.nav__link--cta {
    background-color: var(--color-primary);
    color: white;
    padding: var(--space-2) var(--space-5);
    border-radius: var(--radius-full);
    transition: background-color var(--transition-fast);
}

.nav__link--cta:hover {
    background-color: var(--color-primary-light);
    color: white;
}

.nav__toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--space-2);
}

.nav__toggle-bar {
    width: 24px;
    height: 2px;
    background-color: var(--color-text);
    border-radius: var(--radius-full);
    transition: transform var(--transition-base);
}

/* ============================================
   Hero Section
   ============================================ */

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding-top: 70px;
}

.hero__content {
    text-align: center;
    max-width: 800px;
}

.hero__greeting {
    font-size: var(--font-size-lg);
    color: var(--color-text-muted);
    margin-bottom: var(--space-2);
}

.hero__title {
    font-size: clamp(2.5rem, 8vw, 4.5rem);
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--space-4);
    line-height: 1.1;
}

.hero__subtitle {
    font-size: var(--font-size-xl);
    color: var(--color-text-muted);
    margin-bottom: var(--space-2);
}

.hero__tagline {
    font-size: var(--font-size-lg);
    color: var(--color-accent);
    font-weight: 500;
    margin-bottom: var(--space-8);
}

.hero__tech {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-3);
    margin-bottom: var(--space-10);
}

.tech-tag {
    display: inline-block;
    padding: var(--space-2) var(--space-4);
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text-muted);
    transition: all var(--transition-fast);
}

.tech-tag:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.hero__actions {
    display: flex;
    justify-content: center;
    gap: var(--space-4);
    flex-wrap: wrap;
}

.hero__scroll {
    position: absolute;
    bottom: var(--space-10);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-2);
    color: var(--color-text-light);
    font-size: var(--font-size-sm);
}

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

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

/* ============================================
   Buttons
   ============================================ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-4) var(--space-8);
    font-size: var(--font-size-base);
    font-weight: 600;
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
    cursor: pointer;
}

.btn--primary {
    background-color: var(--color-primary);
    color: white;
}

.btn--primary:hover {
    background-color: var(--color-primary-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn--secondary {
    background-color: transparent;
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
}

.btn--secondary:hover {
    background-color: var(--color-primary);
    color: white;
}

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

.btn--outline:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.btn--small {
    padding: var(--space-2) var(--space-5);
    font-size: var(--font-size-sm);
}

.btn--full {
    width: 100%;
}

.btn__icon {
    width: 20px;
    height: 20px;
}

/* ============================================
   About Section
   ============================================ */

.about__grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--space-16);
    align-items: center;
}

.about__image {
    position: relative;
}

.about__img {
    width: 100%;
    max-width: 350px;
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-xl);
}

.about__decoration {
    position: absolute;
    top: -20px;
    left: -20px;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    border-radius: var(--radius-2xl);
    z-index: -1;
    opacity: 0.1;
}

.about__content {
    max-width: 600px;
}

.about__text {
    font-size: var(--font-size-lg);
    color: var(--color-text-muted);
    margin-bottom: var(--space-4);
    line-height: 1.8;
}

.about__text em {
    color: var(--color-text);
    font-weight: 500;
}

.about__details {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-6);
    margin: var(--space-8) 0;
}

.about__detail {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    color: var(--color-text-muted);
}

.about__detail-icon {
    font-size: var(--font-size-lg);
}

.about__strengths {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-3);
}

.strength {
    display: inline-block;
    padding: var(--space-2) var(--space-4);
    background-color: var(--color-primary);
    color: white;
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 500;
}

/* ============================================
   Project Section
   ============================================ */

.project-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-10);
    background-color: var(--color-surface);
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.project-card__image {
    position: relative;
    overflow: hidden;
}

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

.project-card__overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-base);
}

.project-card__image:hover .project-card__overlay {
    opacity: 1;
}

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

.project-card__content {
    padding: var(--space-10);
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.project-card__category {
    display: inline-block;
    padding: var(--space-1) var(--space-3);
    background-color: var(--color-bg-alt);
    color: var(--color-primary);
    font-size: var(--font-size-sm);
    font-weight: 500;
    border-radius: var(--radius-md);
    margin-bottom: var(--space-4);
    width: fit-content;
}

.project-card__title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--space-4);
}

.project-card__description {
    color: var(--color-text-muted);
    margin-bottom: var(--space-6);
    line-height: 1.7;
}

.project-card__features {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    margin-bottom: var(--space-6);
}

.feature {
    display: inline-block;
    padding: var(--space-1) var(--space-3);
    background-color: var(--color-bg-alt);
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
    border-radius: var(--radius-md);
}

.project-card__tech {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    margin-bottom: var(--space-6);
}

.project-card__tech span {
    display: inline-block;
    padding: var(--space-1) var(--space-3);
    background-color: var(--color-primary);
    color: white;
    font-size: var(--font-size-sm);
    font-weight: 500;
    border-radius: var(--radius-md);
}

.project-card__meta {
    margin-bottom: var(--space-6);
    padding: var(--space-4);
    background-color: var(--color-bg-alt);
    border-radius: var(--radius-lg);
}

.project-card__role,
.project-card__result {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    margin-bottom: var(--space-2);
}

.project-card__role:last-child,
.project-card__result:last-child {
    margin-bottom: 0;
}

.project-card__links {
    display: flex;
    gap: var(--space-3);
}

/* ============================================
   Services Section
   ============================================ */

.services__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-8);
}

.service-card {
    padding: var(--space-8);
    background-color: var(--color-surface);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.service-card__icon {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--space-4);
}

.service-card__title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--space-3);
}

.service-card__desc {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    line-height: 1.7;
}

/* ============================================
   Tech Stack Section
   ============================================ */

.tech__grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: var(--space-6);
}

.tech__category {
    text-align: center;
}

.tech__category-title {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-4);
}

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

.tech__item {
    padding: var(--space-3) var(--space-4);
    background-color: var(--color-surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-fast);
}

.tech__item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.tech__item-name {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text);
}

/* ============================================
   Contact Section
   ============================================ */

.contact__grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--space-16);
}

.contact__info h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--space-8);
}

.contact__method {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-4) 0;
    border-bottom: 1px solid var(--color-border);
}

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

.contact__method div {
    display: flex;
    flex-direction: column;
}

.contact__method strong {
    font-size: var(--font-size-sm);
    color: var(--color-text);
}

.contact__method a,
.contact__method span {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    transition: color var(--transition-fast);
}

.contact__method a:hover {
    color: var(--color-primary);
}

.contact__form {
    background-color: var(--color-surface);
    padding: var(--space-10);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-lg);
}

.form__group {
    margin-bottom: var(--space-6);
}

.form__label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text);
    margin-bottom: var(--space-2);
}

.form__input,
.form__textarea {
    width: 100%;
    padding: var(--space-4);
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    color: var(--color-text);
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
}

.form__input:focus,
.form__textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(30, 64, 175, 0.1);
}

.form__textarea {
    resize: vertical;
    min-height: 120px;
}

/* ============================================
   Footer
   ============================================ */

.footer {
    background-color: var(--color-text);
    color: white;
    padding: var(--space-16) 0 var(--space-8);
}

.footer__content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: var(--space-10);
    margin-bottom: var(--space-10);
}

.footer__logo {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: white;
}

.footer__logo span {
    color: var(--color-primary-light);
}

.footer__tagline {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    margin-top: var(--space-2);
}

.footer__links {
    display: flex;
    gap: var(--space-6);
}

.footer__links a {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    transition: color var(--transition-fast);
}

.footer__links a:hover {
    color: white;
}

.footer__social {
    display: flex;
    gap: var(--space-4);
}

.footer__social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    color: white;
    transition: all var(--transition-fast);
}

.footer__social a:hover {
    background-color: var(--color-primary);
    transform: translateY(-2px);
}

.footer__bottom {
    text-align: center;
    padding-top: var(--space-8);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer__bottom p {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
}

/* ============================================
   Responsive Design
   ============================================ */

@media (max-width: 1024px) {
    .services__grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .tech__grid {
        grid-template-columns: repeat(3, 1fr);
    }

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

    .project-card__image {
        height: 300px;
    }
}

@media (max-width: 768px) {
    :root {
        --container-padding: var(--space-4);
    }

    .nav__menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background-color: var(--color-bg);
        flex-direction: column;
        padding: var(--space-6);
        gap: var(--space-4);
        border-top: 1px solid var(--color-border);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-base);
    }

    .nav__menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .nav__toggle {
        display: flex;
    }

    .nav__toggle.active .nav__toggle-bar:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .nav__toggle.active .nav__toggle-bar:nth-child(2) {
        opacity: 0;
    }

    .nav__toggle.active .nav__toggle-bar:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }

    .about__grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .about__image {
        order: -1;
        display: flex;
        justify-content: center;
    }

    .about__details {
        justify-content: center;
    }

    .about__strengths {
        justify-content: center;
    }

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

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

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

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

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

    .footer__links {
        justify-content: center;
    }

    .footer__social {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .hero__title {
        font-size: var(--font-size-3xl);
    }

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

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

    .hero__actions {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }

    .project-card__links {
        flex-direction: column;
    }
}

/* ============================================
   Language Switcher
   ============================================ */

.nav__lang {
    padding: var(--space-1) var(--space-3);
    background-color: var(--color-bg-alt);
    border-radius: var(--radius-md);
    font-weight: 600;
    transition: all var(--transition-fast);
}

.nav__lang:hover {
    background-color: var(--color-primary);
    color: white;
}

/* ============================================
   Project Card Link
   ============================================ */

.project-card__link {
    display: block;
    text-decoration: none;
    color: inherit;
}

/* ============================================
   Projects Grid (Todor3D Style)
   ============================================ */

.projects__grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--space-6);
    margin-bottom: var(--space-12);
}

.project-tile {
    position: relative;
    display: block;
    border-radius: 24px;
    overflow: hidden;
    background-color: var(--color-surface);
    text-decoration: none;
    cursor: pointer;
    transition: 0.6s;
    aspect-ratio: 4 / 3;
}

.project-tile:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.project-tile__bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    transition: 0.6s;
}

.project-tile:hover .project-tile__bg {
    transform: scale(1.05);
}

.project-tile__hover {
    position: absolute;
    bottom: 10px;
    left: 50%;
    transform: translateX(-50%) translateX(-100px);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    background: rgba(0, 0, 0, 0.65);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-radius: 32px;
    color: white;
    font-size: var(--font-size-sm);
    font-weight: 500;
    padding: var(--space-3) var(--space-5);
    opacity: 0;
    transition: 0.6s;
    white-space: nowrap;
}

.project-tile__hover svg {
    flex-shrink: 0;
}

.project-tile:hover .project-tile__hover {
    opacity: 1;
    transform: translateX(-50%) translateX(0);
}

/* Old styles removed - replaced with todor3d-style implementation */

/* ============================================
   Project Details Card
   ============================================ */

.project-details {
    margin-top: var(--space-12);
}

.project-detail-card {
    background-color: var(--color-surface);
    border-radius: var(--radius-2xl);
    padding: var(--space-10);
    box-shadow: var(--shadow-lg);
}

.project-detail-card__header {
    margin-bottom: var(--space-8);
    padding-bottom: var(--space-8);
    border-bottom: 1px solid var(--color-border);
}

.project-detail-card__badge {
    display: inline-block;
    padding: var(--space-1) var(--space-3);
    background-color: var(--color-primary);
    color: white;
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: var(--radius-md);
    margin-bottom: var(--space-4);
}

.project-detail-card__header h3 {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--space-2);
}

.project-detail-card__header p {
    font-size: var(--font-size-lg);
    color: var(--color-text-muted);
}

.project-detail-card__body {
    margin-bottom: var(--space-8);
}

.project-detail-card__meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-8);
    margin-bottom: var(--space-6);
}

.project-detail-card__meta > div {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.project-detail-card__meta strong {
    font-size: var(--font-size-xs);
    color: var(--color-text-light);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.project-detail-card__meta span {
    font-size: var(--font-size-base);
    color: var(--color-text);
    font-weight: 500;
}

.project-detail-card__tech {
    margin-bottom: var(--space-6);
}

.project-detail-card__tech strong {
    display: block;
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    margin-bottom: var(--space-3);
}

.tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
}

.tech-tags span {
    display: inline-block;
    padding: var(--space-2) var(--space-4);
    background-color: var(--color-bg-alt);
    color: var(--color-text);
    font-size: var(--font-size-sm);
    font-weight: 500;
    border-radius: var(--radius-md);
}

.project-detail-card__features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-3);
}

.feature-item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.feature-item svg {
    color: var(--color-success);
    flex-shrink: 0;
}

.project-detail-card__footer {
    padding-top: var(--space-8);
    border-top: 1px solid var(--color-border);
}

.project-detail-card__footer .btn {
    display: inline-flex;
}

/* ============================================
   Responsive - Projects
   ============================================ */

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

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

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

    .project-detail-card__meta {
        flex-direction: column;
        gap: var(--space-4);
    }
}