:root {
    --md-bg: #0e1116;
    --md-surface: #161a22;
    --md-surface-variant: #1e2430;
    --md-text: #e6e8ee;
    --md-text-secondary: #aab0c0;
    --md-primary: #b69cff;
    --md-primary-container: #2d214f;
    --md-secondary: #38f9d7;
    --md-outline: rgba(255,255,255,0.08);
    --md-shadow: rgba(0,0,0,0.6);
}

body {
    background:
        radial-gradient(
            900px 500px at top left,
            color-mix(in srgb, var(--md-primary) 18%, transparent),
            var(--md-bg) 60%
        );
    color: var(--md-text);
    font-family: 'Inter', 'Segoe UI', system-ui, sans-serif;
    transition: background 0.4s ease, color 0.4s ease;
}

header {
    background: linear-gradient(
        135deg,
        var(--md-primary-container),
        var(--md-surface)
    );
    padding: 3rem 1rem 2.5rem;
    text-align: center;
    box-shadow: 0 20px 60px var(--md-shadow);
    border-bottom: 1px solid var(--md-outline);
    border-radius: 32px 32px;
    position: relative;
    overflow: hidden;
}

header::before {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: inherit;
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.15);
    pointer-events: none;
}

header::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: -1px;
    height: 64px;
    background: linear-gradient(
        to bottom,
        rgba(0,0,0,0),
        var(--md-bg)
    );
    pointer-events: none;
}

header h1 {
    margin: 0;
    font-size: 3rem;
    letter-spacing: 0.5px;
    background: linear-gradient(
        90deg,
        var(--md-primary),
        var(--md-secondary)
    );
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;

    color: transparent;
}

header p {
    margin-top: 0.8rem;
    font-size: 1.15rem;
    color: var(--md-text-secondary);
}

header nav a {
    backdrop-filter: blur(6px);
    background: rgba(255,255,255,0.08);
}

nav {
    margin-top: 1.6rem;
    display: flex;
    justify-content: center;
    gap: 0.8rem;
    flex-wrap: wrap;
}

nav a {
    color: var(--md-text);
    text-decoration: none;
    font-weight: 500;
    padding: 0.45rem 1.2rem;
    border-radius: 999px;
    background: var(--md-surface-variant);
    border: 1px solid var(--md-outline);
    transition: all 0.25s ease;
}

nav a:hover,
#homescreen {
    background: linear-gradient(
        135deg,
        var(--md-primary),
        var(--md-secondary)
    );
    color: var(--md-bg);
    box-shadow: 0 8px 30px var(--md-shadow);
}

section {
    max-width: 1000px;
    margin: 2.5rem auto;
    padding: 2.2rem;
    border-radius: 20px;
    background: var(--md-surface);
    border: 1px solid var(--md-outline);
    box-shadow: 0 20px 50px var(--md-shadow);
    opacity: 0;
    transform: translateY(30px);
    animation: reveal 0.8s ease forwards;
}

section:nth-of-type(2) { animation-delay: 0.1s; }
section:nth-of-type(3) { animation-delay: 0.2s; }
section:nth-of-type(4) { animation-delay: 0.3s; }

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

h2 {
    font-size: 2.2rem;
    margin-bottom: 1.6rem;
    background: linear-gradient(
        90deg,
        var(--md-primary),
        var(--md-secondary)
    );
    background-clip: text;

    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
}

h3 {
    font-size: 1.4rem;
    margin-top: 1.8rem;
    color: var(--md-text);
}

p,
li {
    color: var(--md-text-secondary);
}

ul {
    padding-left: 1.2rem;
}

li {
    margin-bottom: 0.55rem;
}

section a {
    display: inline-block;
    margin-top: 0.6rem;
    color: var(--md-secondary);
    font-weight: 500;
    text-decoration: none;
}

section a:hover {
    text-decoration: underline;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.2rem;
}

.project-card {
    background: var(--md-surface-variant);
    border-radius: 18px;
    padding: 1.6rem;
    border: 1px solid var(--md-outline);
    position: relative;
    overflow: hidden;
    transition: transform 0.35s ease, box-shadow 0.35s ease;
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 30px 80px var(--md-shadow);
}

.project-card h3 {
    margin-top: 0;
    color: var(--md-text);
}

.project-card a {
    color: var(--md-secondary);
}

.contact-container { 
    max-width: 420px;
    margin: 0 auto;
    padding: 1.5rem;
    border-radius: 16px;
    background: var(--md-surface-variant);
    border: 1px solid var(--md-outline);
    box-shadow: 0 15px 40px var(--md-shadow);
}

.contact-links {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.contact-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 500;
    background: var(--md-surface);
    border: 1px solid var(--md-outline);
    color: var(--md-text);
    transition: all 0.3s ease;
}

.contact-link:hover {
    background: linear-gradient(
        135deg,
        var(--md-primary),
        var(--md-secondary)
    );
    color: var(--md-bg);
    transform: translateY(-2px);
}

.icon {
    width: 22px;
    height: 22px;
    flex-shrink: 0;
}

footer {
    margin-top: 3rem;
    padding: 1.4rem 0;
    text-align: center;
    font-size: 0.95rem;
    color: var(--md-text-secondary);
    background: var(--md-surface);
    border-top: 1px solid var(--md-outline);
}

@media (max-width: 768px) {
    header h1 {
        font-size: 2.3rem;
    }

    h2 {
        font-size: 1.6rem;
    }

    section {
        margin: 1.5rem 1rem;
        padding: 1.5rem;
    }
}

/* ===== COOKIE BANNER (DARK / MATERIAL) ===== */
#cookieBanner {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    max-width: 720px;
    width: calc(100% - 32px);
    padding: 20px 24px;
    border-radius: 20px;

    background: var(--md-surface-variant);
    border: 1px solid var(--md-outline);
    box-shadow: 0 30px 80px rgba(0,0,0,0.6);

    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;

    z-index: 2000;
    animation: cookieSlideUp 0.6s ease;
}

@keyframes cookieSlideUp {
    from {
        opacity: 0;
        transform: translate(-50%, 30px);
    }
    to {
        opacity: 1;
        transform: translate(-50%, 0);
    }
}

.cookie-left {
    display: flex;
    align-items: center;
    gap: 16px;
}

.cookie-icon {
    font-size: 2rem;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(
        135deg,
        var(--md-primary),
        var(--md-secondary)
    );
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 24px rgba(0,0,0,0.4);
}

.cookie-title {
    font-weight: 600;
    font-size: 1.05rem;
    color: var(--md-text);
}

.cookie-desc {
    font-size: 0.95rem;
    color: var(--md-text-secondary);
    max-width: 420px;
}

.cookie-actions {
    display: flex;
    gap: 10px;
}

.cookie-btn {
    padding: 10px 18px;
    border-radius: 12px;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    border: 1px solid var(--md-outline);
    transition: all 0.25s ease;
}

.cookie-btn.primary {
    background: linear-gradient(
        135deg,
        var(--md-primary),
        var(--md-secondary)
    );
    color: var(--md-bg);
}

.cookie-btn.primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(56,249,215,0.35);
}

.cookie-btn.secondary {
    background: transparent;
    color: var(--md-text);
}

.cookie-btn.secondary:hover {
    background: rgba(255,255,255,0.06);
}

/* Mobile */
@media (max-width: 600px) {
    #cookieBanner {
        flex-direction: column;
        align-items: flex-start;
    }

    .cookie-actions {
        width: 100%;
        justify-content: flex-end;
    }
}

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

.project-link:focus-visible {
    outline: 2px solid var(--md-secondary);
    outline-offset: 4px;
}