/* ============================================================
   MARIN XHEMOLLARI — PORTFOLIO
   Charcoal + Emerald "Old Money Tech" Theme
   ============================================================ */

:root {
    --bg-primary: #1a1a1f;
    --bg-secondary: #222228;
    --bg-card: #2a2a31;
    --bg-card-hover: #32323a;
    --emerald: #2d8a6e;
    --emerald-bright: #3aaf8a;
    --emerald-glow: rgba(45, 138, 110, 0.15);
    --emerald-subtle: rgba(45, 138, 110, 0.08);
    --gold-muted: #b8a47c;
    --text-primary: #e8e6e1;
    --text-secondary: #9a9890;
    --text-muted: #6b6961;
    --border: rgba(255, 255, 255, 0.06);
    --border-hover: rgba(45, 138, 110, 0.3);
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; }

body {
    font-family: 'DM Sans', sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

::selection { background: var(--emerald); color: #fff; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

/* Noise overlay */
body::after {
    content: '';
    position: fixed; top: 0; left: 0;
    width: 100%; height: 100%;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.03'/%3E%3C/svg%3E");
    pointer-events: none; z-index: 9999;
}

/* ======= NAVIGATION ======= */
nav {
    position: fixed; top: 0; width: 100%; z-index: 1000;
    padding: 1.25rem 3rem;
    display: flex; justify-content: space-between; align-items: center;
    background: rgba(26, 26, 31, 0.85);
    backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    transition: border-color 0.3s ease;
}
.nav-logo {
    font-family: 'Cormorant Garamond', serif;
    font-size: 1.5rem; font-weight: 600;
}
.nav-logo span { color: var(--emerald-bright); }

.nav-links { display: flex; gap: 2.5rem; list-style: none; }
.nav-links a {
    color: var(--text-secondary); font-size: 0.85rem; font-weight: 500;
    letter-spacing: 0.08em; text-transform: uppercase;
    transition: color 0.3s ease; position: relative;
}
.nav-links a::after {
    content: ''; position: absolute; bottom: -4px; left: 0;
    width: 0; height: 1px; background: var(--emerald-bright);
    transition: width 0.3s ease;
}
.nav-links a:hover, .nav-links a.active { color: var(--emerald-bright); }
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }

.nav-mobile-toggle {
    display: none; background: none; border: none; cursor: pointer; padding: 0.5rem;
}
.nav-mobile-toggle span {
    display: block; width: 24px; height: 2px;
    background: var(--text-primary); margin: 5px 0; transition: 0.3s;
}

/* ======= SECTIONS ======= */
.section {
    padding: 6rem 3rem; max-width: 1200px; margin: 0 auto;
}
.section-header { margin-bottom: 4rem; }
.section-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.7rem; color: var(--emerald-bright);
    letter-spacing: 0.2em; text-transform: uppercase;
    display: flex; align-items: center; gap: 0.75rem; margin-bottom: 1rem;
}
.section-label::before {
    content: ''; display: inline-block;
    width: 32px; height: 1px; background: var(--emerald-bright);
}
.section-title {
    font-family: 'Cormorant Garamond', serif;
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 300; line-height: 1.2;
}
.section-title strong { font-weight: 700; }
.section-subtitle {
    color: var(--text-secondary); font-size: 1rem;
    max-width: 600px; margin-top: 1rem;
}

/* ======= BUTTONS ======= */
.btn {
    display: inline-flex; align-items: center; gap: 0.6rem;
    padding: 0.85rem 1.8rem; border-radius: 6px;
    font-size: 0.85rem; font-weight: 500;
    transition: all 0.3s ease; border: none; cursor: pointer;
    font-family: 'DM Sans', sans-serif;
}
.btn svg { width: 16px; height: 16px; flex-shrink: 0; }
.btn-primary {
    background: var(--emerald); color: #fff; border: 1px solid var(--emerald);
}
.btn-primary:hover {
    background: var(--emerald-bright);
    box-shadow: 0 8px 30px rgba(45, 138, 110, 0.3);
    transform: translateY(-2px);
}
.btn-secondary {
    background: transparent; color: var(--text-secondary); border: 1px solid var(--border);
}
.btn-secondary:hover {
    border-color: var(--border-hover); color: var(--emerald-bright);
    transform: translateY(-2px);
}

/* ======= CARDS ======= */
.card {
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: 10px; transition: all 0.4s ease; display: block;
}
.card:hover {
    border-color: var(--border-hover); transform: translateY(-4px);
    box-shadow: 0 20px 60px rgba(0,0,0,0.3), 0 0 30px var(--emerald-glow);
}

/* ======= TAGS ======= */
.tag {
    font-family: 'JetBrains Mono', monospace; font-size: 0.65rem;
    padding: 0.25rem 0.6rem; background: var(--emerald-subtle);
    color: var(--emerald-bright); border-radius: 4px;
    border: 1px solid rgba(45, 138, 110, 0.15); display: inline-block;
}
.tag-gold {
    background: rgba(184, 164, 124, 0.1);
    color: var(--gold-muted); border-color: rgba(184, 164, 124, 0.2);
}

/* ======= DIVIDER ======= */
.divider {
    max-width: 1200px; margin: 0 auto; height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-hover), transparent);
}

/* ======= DETAIL CARDS ======= */
.detail-card {
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: 8px; padding: 1.5rem;
    transition: border-color 0.3s ease, background 0.3s ease;
}
.detail-card:hover { border-color: var(--border-hover); background: var(--bg-card-hover); }
.detail-card-label {
    font-family: 'JetBrains Mono', monospace; font-size: 0.65rem;
    color: var(--emerald-bright); letter-spacing: 0.15em;
    text-transform: uppercase; margin-bottom: 0.5rem;
}
.detail-card-value {
    font-family: 'Cormorant Garamond', serif; font-size: 1.3rem; font-weight: 600;
}
.detail-card-sub { font-size: 0.8rem; color: var(--text-muted); margin-top: 0.25rem; }

/* ======= SKILLS GRID ======= */
.skills-grid {
    display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 0.75rem;
}
.skill-item {
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: 6px; padding: 0.75rem 1rem;
    font-family: 'JetBrains Mono', monospace; font-size: 0.75rem;
    text-align: center; transition: all 0.3s ease; cursor: default;
}
.skill-item:hover {
    border-color: var(--emerald-bright); background: var(--emerald-subtle);
    color: var(--emerald-bright); transform: translateY(-2px);
}

/* ======= PROJECT STATUS ======= */
.project-status {
    position: absolute; top: 1rem; right: 1rem;
    font-family: 'JetBrains Mono', monospace; font-size: 0.6rem;
    padding: 0.25rem 0.6rem; border-radius: 4px;
    text-transform: uppercase; letter-spacing: 0.1em;
}
.status-live {
    background: rgba(45, 138, 110, 0.2); color: var(--emerald-bright);
    border: 1px solid rgba(45, 138, 110, 0.3);
}
.status-wip {
    background: rgba(184, 164, 124, 0.15); color: var(--gold-muted);
    border: 1px solid rgba(184, 164, 124, 0.25);
}
.project-link {
    font-size: 0.8rem; color: var(--text-muted);
    display: inline-flex; align-items: center; gap: 0.4rem;
    transition: color 0.3s ease;
}
.project-link:hover { color: var(--emerald-bright); }
.project-link svg { width: 14px; height: 14px; }

/* ======= FORM STYLES ======= */
.form-group { margin-bottom: 1.5rem; }
.form-group label {
    display: block; font-family: 'JetBrains Mono', monospace;
    font-size: 0.7rem; color: var(--emerald-bright);
    letter-spacing: 0.15em; text-transform: uppercase; margin-bottom: 0.5rem;
}
.form-group input,
.form-group textarea,
.form-group select {
    width: 100%; padding: 0.85rem 1rem;
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: 6px; color: var(--text-primary);
    font-family: 'DM Sans', sans-serif; font-size: 0.9rem;
    transition: border-color 0.3s ease, box-shadow 0.3s ease; outline: none;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    border-color: var(--emerald-bright);
    box-shadow: 0 0 0 3px var(--emerald-glow);
}
.form-group textarea { resize: vertical; min-height: 140px; }
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text-muted); }

/* ======= TIMELINE ======= */
.timeline { position: relative; padding-left: 2.5rem; }
.timeline::before {
    content: ''; position: absolute; left: 0; top: 0; bottom: 0;
    width: 1px;
    background: linear-gradient(180deg, var(--emerald-bright), var(--border), transparent);
}
.timeline-item { position: relative; padding-bottom: 2.5rem; }
.timeline-item:last-child { padding-bottom: 0; }
.timeline-item::before {
    content: ''; position: absolute; left: -2.5rem; top: 0.4rem;
    width: 9px; height: 9px; border-radius: 50%;
    background: var(--emerald-bright); border: 2px solid var(--bg-primary);
    box-shadow: 0 0 0 3px var(--emerald-glow);
}
.timeline-date {
    font-family: 'JetBrains Mono', monospace; font-size: 0.7rem;
    color: var(--emerald-bright); letter-spacing: 0.1em;
    text-transform: uppercase; margin-bottom: 0.35rem;
}
.timeline-title {
    font-family: 'Cormorant Garamond', serif; font-size: 1.3rem;
    font-weight: 600; margin-bottom: 0.2rem;
}
.timeline-sub { font-size: 0.85rem; color: var(--text-secondary); }

/* ======= FOOTER ======= */
footer {
    text-align: center; padding: 2rem 3rem;
    border-top: 1px solid var(--border);
    font-size: 0.75rem; color: var(--text-muted);
    font-family: 'JetBrains Mono', monospace; letter-spacing: 0.05em;
}
footer a {
    color: var(--text-secondary); transition: color 0.3s ease;
}
footer a:hover { color: var(--emerald-bright); }

/* ======= ANIMATIONS ======= */
.fade-in {
    opacity: 0; transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* ======= RESPONSIVE ======= */
@media (max-width: 900px) {
    nav { padding: 1rem 1.5rem; }
    .nav-links {
        display: none; position: absolute; top: 100%; left: 0; right: 0;
        background: rgba(26, 26, 31, 0.98); backdrop-filter: blur(20px);
        flex-direction: column; padding: 1.5rem; gap: 1rem;
        border-bottom: 1px solid var(--border);
    }
    .nav-links.open { display: flex; }
    .nav-mobile-toggle { display: block; }
    .section { padding: 4rem 1.5rem; }
    .skills-grid { grid-template-columns: repeat(auto-fill, minmax(110px, 1fr)); }
}