/* styles.css - professional dark theme, no guessing */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: #0b0d10;
    color: #cfd6e3;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.5;
    font-weight: 350;
    position: relative;
}

/* subtle background texture */
.bg-noise {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-image: url('data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIzMDAiIGhlaWdodD0iMzAwIj48ZmlsdGVyIGlkPSJmIj48ZmVUdXJidWxlbmNlIHR5cGU9ImZyYWN0YWxOb2lzZSIgYmFzZUZyZXF1ZW5jeT0iLjc0IiBudW1PY3RhdmVzPSIzIiAvPjwvZmlsdGVyPjxyZWN0IHdpZHRoPSIxMDAlIiBoZWlnaHQ9IjEwMCUiIGZpbHRlcj0idXJsKCNmKSIgb3BhY2l0eT0iMC4wMjAiIC8+PC9zdmc+');
    pointer-events: none;
    opacity: 0.2;
    z-index: 0;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    position: relative;
    z-index: 5;
}

/* header */
.site-header {
    position: fixed;
    top: 0;
    width: 100%;
    background-color: rgba(8, 10, 13, 0.85);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid #232833;
    z-index: 100;
    padding: 0.8rem 0;
}

.header-flex {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo-area {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo-icon {
    font-size: 2rem;
    font-weight: 300;
    color: #b5c2d4;
    transform: rotate(15deg);
    display: inline-block;
}

.logo-text {
    font-size: 1.4rem;
    font-weight: 500;
    letter-spacing: 1.5px;
    color: #eceff7;
}

nav ul {
    display: flex;
    list-style: none;
    gap: 2rem;
}

nav a {
    text-decoration: none;
    color: #b7c0ce;
    font-size: 0.9rem;
    font-weight: 450;
    letter-spacing: 0.5px;
    padding-bottom: 0.25rem;
    border-bottom: 1px solid transparent;
    transition: 0.15s;
}

nav a:hover, nav a.active {
    color: white;
    border-bottom-color: #62748c;
}

/* hero */
.hero {
    min-height: 85vh;
    display: flex;
    align-items: center;
    background: #0b0d11;
    padding: 5rem 0;
    border-bottom: 1px solid #1d212a;
}

.pre-head {
    color: #9aa8c0;
    font-size: 0.9rem;
    letter-spacing: 2px;
    margin-bottom: 1rem;
    text-transform: uppercase;
}

.pre-head i {
    margin-right: 0.5rem;
}

h1 {
    font-size: clamp(2.8rem, 8vw, 5rem);
    font-weight: 300;
    color: #f0f5ff;
    line-height: 1;
    margin-bottom: 1rem;
}

.fw-light {
    font-weight: 200;
    color: #a0adc2;
}

.hero-lead {
    font-size: 1.2rem;
    color: #a6b2c6;
    margin-bottom: 2rem;
    max-width: 550px;
}

.hero-stats {
    display: flex;
    gap: 3rem;
    margin: 2.5rem 0 3rem;
}

.stat-block {
    display: flex;
    flex-direction: column;
}

.stat-num {
    font-size: 2.2rem;
    font-weight: 300;
    color: white;
    letter-spacing: -0.5px;
}

.stat-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    color: #7c879e;
    letter-spacing: 1px;
}

.hero-links {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.btn-primary {
    display: inline-block;
    padding: 0.9rem 2.2rem;
    background-color: #1e2530;
    border: 1px solid #3f4a5c;
    color: #eef3fc;
    text-decoration: none;
    font-weight: 500;
    letter-spacing: 1px;
    transition: 0.2s;
}

.btn-primary i {
    margin-right: 0.5rem;
}

.btn-primary:hover {
    background-color: #2b3442;
    border-color: #6b7e9c;
}

/* projects section */
.section-projects {
    padding: 5rem 0;
    border-bottom: 1px solid #1d212a;
    background-color: #0c0f13;
}

.section-header {
    margin-bottom: 3rem;
}

h2 {
    font-size: 2.2rem;
    font-weight: 300;
    color: #eef3fc;
    margin-bottom: 0.5rem;
    border-left: 3px solid #3f5068;
    padding-left: 1.2rem;
}

.subhead {
    color: #8d99af;
    font-size: 1.1rem;
    font-weight: 300;
}

.project-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.project-card {
    background-color: #11151c;
    border: 1px solid #272e39;
    padding: 1.8rem 1.5rem;
    transition: border 0.2s;
}

.project-card:hover {
    border-color: #495871;
}

.card-header {
    margin-bottom: 1rem;
}

.card-header h3 {
    font-size: 1.3rem;
    font-weight: 450;
    color: #e0e7f5;
    margin-bottom: 0.5rem;
}

.project-type {
    display: inline-block;
    background-color: #1b212a;
    color: #9ba9c0;
    font-size: 0.7rem;
    padding: 0.2rem 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border: 1px solid #2f3846;
}

.project-desc {
    color: #a5b0c2;
    font-size: 0.95rem;
    margin: 1rem 0;
    line-height: 1.6;
}

.project-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 1.5rem;
    font-size: 0.9rem;
    color: #8f9db6;
}

.project-meta i {
    margin-right: 0.3rem;
    color: #7e8aa2;
}

.center-link {
    text-align: center;
    margin-top: 2rem;
}

.external-link {
    color: #b7c7e3;
    text-decoration: none;
    border-bottom: 1px solid #3b4557;
    padding-bottom: 2px;
    font-size: 0.95rem;
    letter-spacing: 0.5px;
}

.external-link i {
    margin-left: 0.5rem;
    font-size: 0.8rem;
}

.external-link:hover {
    color: white;
    border-bottom-color: #8a9ac0;
}

/* about */
.section-about {
    padding: 4rem 0;
    background-color: #0a0d11;
}

.about-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
}

.about-text h2 {
    border-left: none;
    padding-left: 0;
    font-size: 2rem;
}

.about-summary {
    font-size: 1.2rem;
    color: #ccd6e8;
    margin: 1rem 0 1.5rem;
    max-width: 550px;
}

.about-details {
    margin-top: 2rem;
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
    color: #96a2b9;
}

.about-details i {
    width: 1.8rem;
    color: #7f8aa3;
}

.about-links h3 {
    color: #d0daf0;
    font-weight: 400;
    margin-bottom: 1.5rem;
    font-size: 1.2rem;
    letter-spacing: 1px;
}

.about-links ul {
    list-style: none;
}

.about-links li {
    margin-bottom: 1rem;
}

.about-links a {
    color: #b6c5e0;
    text-decoration: none;
    border-bottom: 1px solid #384153;
    padding-bottom: 2px;
    font-size: 1rem;
}

.about-links a i {
    width: 2rem;
    color: #7b89a4;
}

.about-links a:hover {
    color: white;
    border-bottom-color: #8a9ac0;
}

/* footer */
.site-footer {
    padding: 2rem 0 3rem;
    background-color: #080a0d;
}

hr {
    border: none;
    border-top: 1px solid #222732;
    margin-bottom: 2rem;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    color: #6e7a91;
    font-size: 0.85rem;
}

.footer-content a {
    color: #8f9fc0;
    text-decoration: none;
    border-bottom: 1px solid #30384a;
}

.footer-content a:hover {
    color: white;
}

.footer-content i {
    margin-right: 0.2rem;
}

/* responsive */
@media (max-width: 700px) {
    .header-flex {
        flex-direction: column;
        gap: 0.5rem;
    }
    nav ul {
        gap: 1.2rem;
        flex-wrap: wrap;
        justify-content: center;
    }
    .about-grid {
        grid-template-columns: 1fr;
    }
    .hero-stats {
        gap: 2rem;
    }
    .hero-links {
        flex-direction: column;
        align-items: flex-start;
    }
    .footer-content {
        flex-direction: column;
        gap: 0.5rem;
        align-items: start;
    }
}