/* ============================================
   PORTO-YOGI — Design System & Styles
   ============================================ */

/* --- CSS Variables --- */
:root {
    --clr-primary: #0ea5e9;
    --clr-primary-dark: #0284c7;
    --clr-primary-light: #e0f2fe;
    --clr-bg: #ffffff;
    --clr-bg-alt: #f8fafc;
    --clr-border: #e2e8f0;
    --clr-border-dark: #cbd5e1;
    --clr-accent: #fbbf24;
    --clr-accent-dark: #f59e0b;
    --clr-text: #0f172a;
    --clr-text-muted: #475569;
    --clr-text-light: #94a3b8;
    --clr-white: #ffffff;
    --clr-dark: #0f172a;

    --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.06);
    --shadow-md: 0 4px 12px rgba(15, 23, 42, 0.08);
    --shadow-lg: 0 10px 30px rgba(15, 23, 42, 0.1);
    --shadow-xl: 0 20px 50px rgba(15, 23, 42, 0.12);
    --shadow-card: 0 1px 3px rgba(15, 23, 42, 0.06),
        0 6px 16px rgba(15, 23, 42, 0.06);
    --shadow-card-hover: 0 8px 30px rgba(14, 165, 233, 0.12);

    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;

    --font-sans: "Inter", system-ui, -apple-system, sans-serif;
    --font-mono: "JetBrains Mono", "Fira Code", monospace;

    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --navbar-h: 72px;
}

/* --- Reset --- */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}
html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--navbar-h);
    font-size: 16px;
}
body {
    font-family: var(--font-sans);
    color: var(--clr-text);
    background: var(--clr-bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}
img {
    max-width: 100%;
    display: block;
}
a {
    text-decoration: none;
    color: inherit;
}
ul,
ol {
    list-style: none;
}
button {
    cursor: pointer;
    border: none;
    background: none;
    font: inherit;
}

/* --- Typography --- */
.section-label {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--clr-primary);
    margin-bottom: 12px;
    font-family: var(--font-mono);
}
.section-label::before {
    content: "";
    width: 20px;
    height: 2px;
    background: var(--clr-primary);
    border-radius: 2px;
}
.section-title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 800;
    color: var(--clr-text);
    line-height: 1.2;
    margin-bottom: 8px;
}
.section-subtitle {
    font-size: 1.05rem;
    color: var(--clr-text-muted);
    max-width: 560px;
    line-height: 1.7;
}
.section-header {
    margin-bottom: 48px;
}

/* --- Layout --- */
.container {
    width: 100%;
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 24px;
}
section {
    padding: 80px 0;
}
section:nth-child(even) {
    background: var(--clr-bg-alt);
}

/* --- Navbar --- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--clr-border);
    height: var(--navbar-h);
    display: flex;
    align-items: center;
    transition: var(--transition);
}
/* .navbar.scrolled {
    box-shadow: var(--shadow-md);
} */
.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.navbar-brand {
    font-weight: 800;
    font-size: 1.25rem;
    color: var(--clr-text);
    display: flex;
    align-items: center;
    gap: 8px;
}
.navbar-brand span {
    color: var(--clr-primary);
}

.navbar-brand img {
    width: 48px;
    height: 48px;
    object-fit: cover;
}

.navbar-nav {
    display: flex;
    gap: 4px;
}
.navbar-nav a {
    padding: 8px 16px;
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--clr-text-muted);
    transition: var(--transition);
}
.navbar-nav a:hover,
.navbar-nav a.active {
    color: var(--clr-primary);
    background: var(--clr-primary-light);
}
.navbar-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    width: 28px;
    padding: 4px 0;
}
.navbar-toggle span {
    display: block;
    height: 2px;
    background: var(--clr-text);
    border-radius: 2px;
    transition: var(--transition);
}

/* --- Hero --- */
.hero {
    padding-top: calc(var(--navbar-h) + 60px);
    padding-bottom: 80px;
    position: relative;
    overflow: hidden;
}
.hero::before {
    content: "";
    position: absolute;
    top: -200px;
    right: -200px;
    width: 500px;
    height: 500px;
    background: radial-gradient(
        circle,
        rgba(14, 165, 233, 0.08) 0%,
        transparent 70%
    );
    pointer-events: none;
}
.hero::after {
    content: "";
    position: absolute;
    bottom: -100px;
    left: -100px;
    width: 400px;
    height: 400px;
    background: radial-gradient(
        circle,
        rgba(251, 191, 36, 0.06) 0%,
        transparent 70%
    );
    pointer-events: none;
}
.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}
.hero-content {
    position: relative;
    z-index: 1;
}
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    border-radius: var(--radius-full);
    background: var(--clr-primary-light);
    color: var(--clr-primary);
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 20px;
    font-family: var(--font-mono);
}
.hero-badge .dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--clr-primary);
    animation: pulse 2s infinite;
}

.hero-badge-outline {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    border-radius: var(--radius-full);
    border: 1px solid var(--clr-border-dark);
    color: var(--clr-text-muted);
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 20px;
    font-family: var(--font-mono);
}

.hero-badge-outline i,
.hero-badge-outline svg {
    width: 18px;
    height: 18px;
}

.hero h1 {
    font-size: clamp(2.2rem, 5.5vw, 3.5rem);
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 16px;
    color: var(--clr-text);
}
.hero h1 .highlight {
    color: var(--clr-primary);
}
.hero .hero-sub {
    font-size: 1.1rem;
    color: var(--clr-text-muted);
    max-width: 540px;
    line-height: 1.8;
    margin-bottom: 36px;
}
.hero-stats {
    display: flex;
    gap: 40px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}
.hero-stat .number {
    font-size: 2rem;
    font-weight: 800;
    color: var(--clr-text);
    font-family: var(--font-mono);
}
.hero-stat .number span {
    color: var(--clr-primary);
}
.hero-stat .label {
    font-size: 0.82rem;
    color: var(--clr-text-muted);
    margin-top: 2px;
}
.hero-cta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    border-radius: var(--radius-full);
    background: var(--clr-primary);
    color: var(--clr-white);
    font-weight: 600;
    font-size: 0.95rem;
    box-shadow: 0 4px 14px rgba(14, 165, 233, 0.3);
    transition: var(--transition);
}
.hero-cta:hover {
    background: var(--clr-primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(14, 165, 233, 0.35);
}
/* Hero Image */
.hero-image {
    position: relative;
    z-index: 1;
    display: flex;
    justify-content: center;
}
.hero-image-wrapper {
    position: relative;
    width: 380px;
    height: 440px;
}
.hero-image-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    position: relative;
    z-index: 2;
}
.hero-image-decoration {
    position: absolute;
    top: 16px;
    left: 16px;
    width: 100%;
    height: 100%;
    border-radius: var(--radius-xl);
    border: 2px solid var(--clr-primary);
    z-index: 1;
    opacity: 0.4;
}

/* --- Project Cards --- */
.project-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 24px;
}
.project-card {
    display: block;
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-lg);
    background: var(--clr-white);
    transition: var(--transition);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.project-card:hover {
    border-color: var(--clr-primary);
    box-shadow: var(--shadow-card-hover);
    transform: translateY(-4px);
}

.project-card-thumb {
    width: 100%;
    height: 200px;
    overflow: hidden;
    background: linear-gradient(135deg, var(--clr-primary-light), #dbeafe);
    position: relative;
}
.project-card-thumb::after {
    content: "";
    position: absolute;
    inset: 0;
    background: rgba(15, 23, 42, 0.45);
    transition: var(--transition);
    z-index: 1;
}
.project-card:hover .project-card-thumb::after {
    opacity: 0;
}
.project-card-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}
.project-card:hover .project-card-thumb img {
    transform: scale(1.05);
}
.project-card-thumb-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--clr-primary);
    opacity: 0.5;
}
.project-card-body {
    padding: 20px 24px 24px;
}
.project-card-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 8px;
}
.project-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 6px;
}
.project-card .badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: var(--radius-full);
    font-size: 0.7rem;
    font-weight: 600;
    background: rgba(251, 191, 36, 0.15);
    color: var(--clr-accent-dark);
}
.project-card p {
    font-size: 0.9rem;
    color: var(--clr-text-muted);
    line-height: 1.7;
}
.project-card .arrow {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: 1px solid var(--clr-border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    color: var(--clr-text-muted);
    transition: var(--transition);
}
.project-card:hover .arrow {
    background: var(--clr-primary);
    color: var(--clr-white);
    border-color: var(--clr-primary);
}
.btn-outline {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 12px 28px;
    border-radius: var(--radius-full);
    border: 1px solid var(--clr-border-dark);
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--clr-text);
    transition: var(--transition);
    margin-top: 32px;
}
.btn-outline:hover {
    border-color: var(--clr-primary);
    color: var(--clr-primary);
    background: var(--clr-primary-light);
}

/* --- About Grid (Timeline + Education side by side) --- */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: start;
}
.about-col-title {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--clr-text);
    margin-bottom: 28px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--clr-border);
}
.about-col-title svg {
    color: var(--clr-primary);
}

/* --- Timeline --- */
.timeline {
    position: relative;
    padding-left: 40px;
}
.timeline::before {
    content: "";
    position: absolute;
    left: 14px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--clr-border);
}
.timeline-item {
    position: relative;
    padding-bottom: 40px;
}
.timeline-item:last-child {
    padding-bottom: 0;
}
.timeline-dot {
    position: absolute;
    left: -40px;
    top: 4px;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--clr-white);
    border: 2px solid var(--clr-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1;
}
.timeline-dot::after {
    content: "";
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--clr-primary);
}
.timeline-date {
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--clr-primary);
    font-family: var(--font-mono);
    margin-bottom: 6px;
}
.timeline-item h3 {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 4px;
}
.timeline-item .company {
    font-size: 0.88rem;
    color: var(--clr-text-muted);
    margin-bottom: 8px;
    font-weight: 500;
}
.timeline-item p {
    font-size: 0.88rem;
    color: var(--clr-text-muted);
    line-height: 1.7;
}

/* --- Education --- */
.edu-card {
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-lg);
    padding: 28px;
    margin-bottom: 16px;
    background: var(--clr-white);
    display: flex;
    align-items: flex-start;
    gap: 20px;
    transition: var(--transition);
}
.edu-card:hover {
    box-shadow: var(--shadow-card);
}
.edu-icon {
    width: 52px;
    height: 52px;
    min-width: 52px;
    border-radius: var(--radius-md);
    background: linear-gradient(
        135deg,
        var(--clr-primary),
        var(--clr-primary-dark)
    );
    color: var(--clr-white);
    display: flex;
    align-items: center;
    justify-content: center;
}

.edu-content {
    flex: 1;
}

.edu-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.edu-date {
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--clr-primary);
    font-family: var(--font-mono);
    margin-bottom: 6px;
}

.edu-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 4px;
}
.edu-card .uni {
    font-size: 0.9rem;
    color: var(--clr-primary);
    font-weight: 600;
    margin-bottom: 6px;
}
.edu-card p {
    font-size: 0.85rem;
    color: var(--clr-text-muted);
    line-height: 1.6;
}

/* --- Marquee --- */
.marquee-wrapper {
    overflow: hidden;
    padding: 20px 0;
    position: relative;
}
.marquee-wrapper::before,
.marquee-wrapper::after {
    content: "";
    position: absolute;
    top: 0;
    bottom: 0;
    width: 100px;
    z-index: 2;
    pointer-events: none;
}
.marquee-wrapper::before {
    left: 0;
    background: linear-gradient(90deg, var(--clr-bg-alt), transparent);
}
.marquee-wrapper::after {
    right: 0;
    background: linear-gradient(90deg, transparent, var(--clr-bg-alt));
}
.marquee-track {
    display: flex;
    gap: 40px;
    width: max-content;
    animation: marquee 25s linear infinite;
}
.marquee-track:hover {
    animation-play-state: paused;
}
.marquee-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 14px;
    padding: 28px 36px;
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-lg);
    background: var(--clr-white);
    white-space: nowrap;
    transition: var(--transition);
    min-width: 140px;
}
.marquee-item:hover {
    border-color: var(--clr-primary);
    box-shadow: var(--shadow-card-hover);
    transform: translateY(-4px);
}
.marquee-item img,
.marquee-item svg {
    width: 48px;
    height: 48px;
    filter: grayscale(1) opacity(0.5);
    transition: var(--transition);
}
.marquee-item:hover img,
.marquee-item:hover svg {
    filter: grayscale(0) opacity(1);
}
.marquee-item span {
    font-size: 0.88rem;
    font-weight: 700;
    color: var(--clr-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}
.marquee-item:hover span {
    color: var(--clr-text);
}

@keyframes marquee {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

/* --- Swiper Blog --- */
.blog-swiper {
    padding: 8px 4px 40px;
}
.blog-card {
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--clr-white);
    transition: var(--transition);
    height: 100%;
}
.blog-card:hover {
    box-shadow: var(--shadow-card-hover);
    transform: translateY(-3px);
}
.blog-card-img {
    height: 180px;
    background: linear-gradient(135deg, var(--clr-primary-light), #dbeafe);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: var(--clr-primary);
}
.blog-card-body {
    padding: 24px;
}
.blog-card-date {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--clr-primary);
    font-family: var(--font-mono);
    margin-bottom: 8px;
}
.blog-card-body h3 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 8px;
    line-height: 1.4;
}
.blog-card-body p {
    font-size: 0.85rem;
    color: var(--clr-text-muted);
    line-height: 1.6;
    margin-bottom: 14px;
}
.blog-card-link {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--clr-primary);
    display: inline-flex;
    align-items: center;
    gap: 4px;
    transition: var(--transition);
}
.blog-card-link:hover {
    gap: 8px;
}
.swiper-pagination-bullet-active {
    background: var(--clr-primary) !important;
}

/* --- Mitra --- */
.mitra-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 20px;
}
.mitra-card {
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-lg);
    padding: 24px;
    background: var(--clr-white);
    text-align: center;
    transition: var(--transition);
}
.mitra-card:hover {
    border-color: var(--clr-primary);
    box-shadow: var(--shadow-card);
}
.mitra-logo {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-md);
    background: var(--clr-bg-alt);
    margin: 0 auto 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    color: var(--clr-primary);
}
.mitra-card h4 {
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: 4px;
}
.mitra-card p {
    font-size: 0.8rem;
    color: var(--clr-text-muted);
}

/* --- Gallery Marquee --- */
.gallery-marquee {
    overflow: hidden;
    position: relative;
    padding: 10px 0;
}
.gallery-marquee::before,
.gallery-marquee::after {
    content: "";
    position: absolute;
    top: 0;
    bottom: 0;
    width: 80px;
    z-index: 2;
    pointer-events: none;
}
.gallery-marquee::before {
    left: 0;
    background: linear-gradient(90deg, var(--clr-bg), transparent);
}
.gallery-marquee::after {
    right: 0;
    background: linear-gradient(90deg, transparent, var(--clr-bg));
}
.gallery-track {
    display: flex;
    gap: 16px;
    width: max-content;
    animation: marquee 35s linear infinite;
}
.gallery-track:hover {
    animation-play-state: paused;
}
.gallery-item {
    width: 240px;
    height: 160px;
    min-width: 240px;
    border-radius: var(--radius-md);
    overflow: hidden;
    background: var(--clr-bg-alt);
    border: 1px solid var(--clr-border);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    position: relative;
}
.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.gallery-item:hover {
    border-color: var(--clr-primary);
    box-shadow: var(--shadow-md);
    transform: scale(1.02);
}

/* --- Kontak --- */
.kontak-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: start;
}
.kontak-links {
    display: flex;
    flex-direction: column;
    gap: 14px;
}
.kontak-link {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 16px 20px;
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-md);
    transition: var(--transition);
}
.kontak-link:hover {
    border-color: var(--clr-primary);
    background: var(--clr-primary-light);
    box-shadow: var(--shadow-sm);
}
.kontak-link-icon {
    width: 40px;
    height: 40px;
    min-width: 40px;
    border-radius: var(--radius-sm);
    background: var(--clr-bg-alt);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    color: var(--clr-primary);
}
.kontak-link h4 {
    font-size: 0.9rem;
    font-weight: 600;
}
.kontak-link p {
    font-size: 0.8rem;
    color: var(--clr-text-muted);
}
.kontak-cta-card {
    padding: 40px;
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, var(--clr-dark), #1e293b);
    color: var(--clr-white);
    box-shadow: var(--shadow-xl);
}
.kontak-cta-card h3 {
    font-size: 1.4rem;
    font-weight: 800;
    margin-bottom: 10px;
}
.kontak-cta-card p {
    font-size: 0.92rem;
    color: var(--clr-text-light);
    line-height: 1.7;
    margin-bottom: 24px;
}
.kontak-cta-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    border-radius: var(--radius-full);
    background: var(--clr-primary);
    color: var(--clr-white);
    font-weight: 600;
    font-size: 0.95rem;
    transition: var(--transition);
}
.kontak-cta-btn:hover {
    background: var(--clr-primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(14, 165, 233, 0.4);
}

/* --- Footer --- */
.footer {
    background: var(--clr-dark);
    color: rgba(255, 255, 255, 0.7);
    padding: 60px 0 0;
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 10px;
}

.footer-brand-header img {
    width: 48px;
    height: 48px;
    object-fit: cover;
}

.footer-brand-header h3 {
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--clr-white);
}
.footer-brand h3 span {
    color: var(--clr-primary);
}
.footer-brand p {
    font-size: 0.85rem;
    line-height: 1.7;
    max-width: 280px;
}
.footer-col h4 {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--clr-white);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 16px;
}
.footer-col a {
    display: block;
    font-size: 0.85rem;
    padding: 4px 0;
    transition: var(--transition);
}
.footer-col a:hover {
    color: var(--clr-primary);
}
.footer-bottom {
    padding: 24px 0;
    text-align: center;
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.4);
}

/* --- Animations --- */
@keyframes pulse {
    0%,
    100% {
        opacity: 1;
    }
    50% {
        opacity: 0.4;
    }
}
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(24px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}
.fade-in {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* --- Page Header --- */
.page-header {
    padding-top: calc(var(--navbar-h) + 40px);
    padding-bottom: 40px;
}
.back-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--clr-primary);
    margin-bottom: 24px;
    transition: var(--transition);
}
.back-link:hover {
    gap: 10px;
}

/* --- Project Detail --- */
.detail-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: start;
}
.detail-image img {
    width: 100%;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    position: sticky;
    top: calc(var(--navbar-h) + 24px);
}
.detail-title {
    font-size: clamp(1.6rem, 3.5vw, 2.2rem);
    font-weight: 800;
    margin-bottom: 4px;
    line-height: 1.2;
}
.detail-tagline {
    font-size: 1rem;
    color: var(--clr-text-muted);
    margin-bottom: 20px;
}
.detail-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 20px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--clr-border);
}
.detail-meta-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.85rem;
    color: var(--clr-text-muted);
}
.detail-meta-item svg {
    color: var(--clr-primary);
}
.detail-stack {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 28px;
}
.detail-stack-tag {
    padding: 5px 14px;
    border-radius: var(--radius-full);
    border: 1px solid var(--clr-border);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--clr-text-muted);
    transition: var(--transition);
}
.detail-stack-tag:hover {
    border-color: var(--clr-primary);
    color: var(--clr-primary);
    background: var(--clr-primary-light);
}
.detail-section {
    margin-bottom: 28px;
}
.detail-section h2 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 12px;
}
.detail-section p {
    font-size: 0.92rem;
    color: var(--clr-text-muted);
    line-height: 1.8;
}
.detail-features {
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.detail-features li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 0.9rem;
    color: var(--clr-text-muted);
    line-height: 1.6;
}
.detail-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    padding-top: 8px;
}

/* --- Responsive --- */
@media (max-width: 768px) {
    .navbar-nav {
        position: fixed;
        top: var(--navbar-h);
        left: 0;
        right: 0;
        background: var(--clr-white);
        border-bottom: 1px solid var(--clr-border);
        flex-direction: column;
        padding: 16px;
        gap: 4px;
        transform: translateY(-130%);
        transition: var(--transition);
        box-shadow: var(--shadow-lg);
    }
    .navbar-nav.open {
        transform: translateY(0);
    }
    .navbar-toggle {
        display: flex;
    }
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .hero-image-wrapper {
        width: 280px;
        height: 320px;
        margin: 0 auto;
    }
    .hero-stats {
        gap: 24px;
    }
    .project-grid {
        grid-template-columns: 1fr;
    }
    .about-grid {
        grid-template-columns: 1fr;
    }
    .kontak-grid {
        grid-template-columns: 1fr;
    }
    .detail-layout {
        grid-template-columns: 1fr;
    }
    .detail-image img {
        position: static;
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 30px;
    }
    section {
        padding: 60px 0;
    }
    .gallery-item {
        width: 200px;
        height: 130px;
        min-width: 200px;
    }
}
@media (max-width: 480px) {
    .footer-grid {
        grid-template-columns: 1fr;
    }
    .hero h1 {
        font-size: 1.8rem;
    }
    .hero-stats {
        flex-direction: column;
        gap: 16px;
    }
}