@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;500;600;700;800&family=Oswald:wght@500;600;700&display=swap');

:root {
    --primary-color: #39ffd4;
    --secondary-color: #0b1020;
    --bg-color: #05070f;
    --panel-color: #0f162b;
    --text-color: #e8f0ff;
    --muted-text: #9fb0cc;
    --line-color: #1f2a46;
    --primary-glow: rgba(57, 255, 212, 0.35);
    --secondary-glow: rgba(25, 38, 67, 0.6);
    --highlight-color: #7a8dff;
}

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

body {
    font-family: 'Montserrat', sans-serif;
    color: var(--text-color);
    background: radial-gradient(circle at 20% -10%, #1a2a57 0%, transparent 40%),
                radial-gradient(circle at 85% 10%, #103b47 0%, transparent 35%),
                var(--bg-color);
    line-height: 1.6;
    min-height: 100vh;
    padding-left: 300px;
    position: relative;
    overflow-x: hidden;
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    background-image:
        linear-gradient(rgba(122, 141, 255, 0.08) 1px, transparent 1px),
        linear-gradient(90deg, rgba(57, 255, 212, 0.06) 1px, transparent 1px);
    background-size: 42px 42px;
    pointer-events: none;
    opacity: 0.35;
    z-index: -2;
}

body::after {
    content: "";
    position: fixed;
    inset: 0;
    background: radial-gradient(circle at 75% 85%, rgba(57, 255, 212, 0.08) 0%, transparent 45%);
    pointer-events: none;
    z-index: -1;
}

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

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 300px;
    height: 100vh;
    background: linear-gradient(180deg, rgba(13, 20, 39, 0.95) 0%, rgba(9, 15, 29, 0.95) 100%);
    border-right: 1px solid var(--line-color);
    display: flex;
    align-items: center;
    z-index: 200;
    backdrop-filter: blur(8px);
}

.navbar .container {
    width: 100%;
    padding: 46px 28px;
    display: flex;
    flex-direction: column;
    gap: 22px;
}

.brand {
    font-family: 'Oswald', sans-serif;
    font-size: 2rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--primary-color);
    text-shadow: 0 0 18px rgba(57, 255, 212, 0.2);
    position: relative;
    padding-bottom: 10px;
}

.brand::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 62px;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-color), transparent);
}

.nav-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding-top: 6px;
    border-top: 1px solid var(--line-color);
}

.nav-links a {
    display: block;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    font-size: 0.83rem;
    padding: 9px 12px;
    border-left: 3px solid transparent;
    border-radius: 0 8px 8px 0;
    transition: 0.25s ease;
}

.nav-links a:hover,
.nav-links a.active {
    background: linear-gradient(90deg, rgba(57, 255, 212, 0.2) 0%, rgba(122, 141, 255, 0.14) 100%);
    border-left-color: var(--primary-color);
    color: #f7fcff;
}

.nav-actions {
    border-top: 1px solid var(--line-color);
    padding-top: 14px;
}

.theme-toggle {
    width: 100%;
    border: 1px solid var(--line-color);
    color: var(--text-color);
    background: #0d1426;
    padding: 11px 14px;
    border-radius: 4px;
    font-size: 0.82rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    cursor: pointer;
}

.theme-toggle:hover { border-color: var(--secondary-color); }

[data-mode="light"] body::before {
    opacity: 0.16;
}

[data-mode="light"] body::after {
    background: radial-gradient(circle at 75% 85%, rgba(57, 255, 212, 0.05) 0%, transparent 45%);
}

[data-mode="light"] .navbar {
    background: linear-gradient(180deg, rgba(247, 250, 255, 0.94) 0%, rgba(236, 243, 255, 0.94) 100%);
}

[data-mode="light"] .hero-content,
[data-mode="light"] .page-hero .container,
[data-mode="light"] .content-card,
[data-mode="light"] .info-card,
[data-mode="light"] .skill-category,
[data-mode="light"] .project-card,
[data-mode="light"] .timeline-item,
[data-mode="light"] .quick-card {
    box-shadow: 0 10px 24px rgba(98, 120, 164, 0.14), 0 0 0 1px rgba(122, 141, 255, 0.09) inset;
}

[data-mode="light"] .btn-outline,
[data-mode="light"] .btn-project,
[data-mode="light"] .theme-toggle,
[data-mode="light"] .nav-select {
    background: #f6f9ff;
}

[data-mode="light"] h2,
[data-mode="light"] h3,
[data-mode="light"] .hero-content h1,
[data-mode="light"] .page-hero h1 {
    color: #10213d;
}

[data-mode="light"] footer {
    background: rgba(233, 241, 255, 0.8);
}

.nav-select {
    display: none;
    width: 100%;
    font-family: inherit;
    border: 1px solid var(--line-color);
    padding: 10px;
    color: var(--text-color);
    background: #0d1426;
}

.container {
    width: min(1000px, 92%);
    margin: 0 auto;
}

.hero-section,
.page-hero,
.section-padded {
    padding: 54px 0;
}

.hero-section,
.page-hero {
    min-height: 36vh;
    display: flex;
    align-items: center;
}

.hero-content,
.page-hero .container,
.content-card,
.info-card,
.skill-category,
.project-card,
.timeline-item,
.quick-card {
    background: var(--panel-color);
    border: 1px solid var(--line-color);
    border-radius: 12px;
    box-shadow: 0 10px 30px var(--secondary-glow), 0 0 0 1px rgba(57, 255, 212, 0.08) inset;
    position: relative;
    overflow: hidden;
}

.hero-content::before,
.page-hero .container::before,
.content-card::before,
.info-card::before,
.skill-category::before,
.project-card::before,
.timeline-item::before,
.quick-card::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, rgba(57, 255, 212, 0.75), rgba(122, 141, 255, 0.18));
}

.hero-content,
.page-hero .container {
    padding: 32px;
}

.hero-content h1,
.page-hero h1 {
    font-family: 'Oswald', sans-serif;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: clamp(2rem, 4vw, 3.2rem);
    margin-bottom: 8px;
    color: #f3f8ff;
}

.subtitle,
.page-subtitle,
.hero-description,
.eyebrow,
p { color: var(--muted-text); }

.eyebrow {
    text-transform: uppercase;
    letter-spacing: 1.2px;
    font-size: 0.78rem;
    margin-bottom: 8px;
}

.profile-pic {
    width: 170px;
    height: 170px;
    border-radius: 0;
    object-fit: cover;
    border: 2px solid var(--highlight-color);
    box-shadow: 0 0 30px rgba(122, 141, 255, 0.35);
    margin-bottom: 20px;
}

.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin: 20px 0; }

.btn-primary,
.btn-outline,
.btn-project {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 16px;
    border: 1px solid var(--line-color);
    text-transform: uppercase;
    letter-spacing: 0.7px;
    font-size: 0.78rem;
    font-weight: 700;
}

.btn-primary { background: var(--primary-color); }
.btn-outline,
.btn-project { background: #0d1426; color: var(--text-color); }

.btn-primary:hover,
.btn-outline:hover,
.btn-project:hover {
    transform: translate(-2px, -2px);
    border-color: var(--primary-color);
    box-shadow: 0 8px 20px rgba(57, 255, 212, 0.2);
}

.btn-primary {
    color: #03141a;
    border-color: rgba(57, 255, 212, 0.5);
}

.social-links { display: flex; gap: 14px; }
.social-links a { font-size: 1.2rem; }

h2, h3 {
    font-family: 'Oswald', sans-serif;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    margin-bottom: 10px;
    color: #f1f6ff;
}

h2 {
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

h2::after {
    content: "";
    width: 44px;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-color), transparent);
}

.quick-links,
.info-grid,
.skills-grid,
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 18px;
    margin-top: 22px;
}

.quick-card,
.info-card,
.skill-category,
.project-card,
.content-card,
.timeline-item {
    padding: 22px;
}

.quick-card:hover,
.info-card:hover,
.skill-category:hover,
.project-card:hover,
.timeline-item:hover {
    transform: translateY(-4px);
    border-color: rgba(57, 255, 212, 0.55);
    transition: 0.25s ease;
}

.quick-card span {
    display: inline-flex;
    gap: 8px;
    margin-top: 12px;
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.78rem;
    color: var(--primary-color);
}

.bg-dark {
    background: linear-gradient(180deg, #0a1224 0%, #08101f 100%);
    border-top: 1px solid var(--line-color);
    border-bottom: 1px solid var(--line-color);
}

.timeline { display: grid; gap: 18px; }
.timeline-item ul,
.skill-category ul { padding-left: 18px; }
.date { font-weight: 700; font-size: 0.82rem; text-transform: uppercase; margin-bottom: 8px; }
.date {
    color: var(--primary-color);
    letter-spacing: 0.8px;
}

.tag-list { display: flex; gap: 7px; flex-wrap: wrap; margin: 12px 0 14px; }
.tag-list span {
    border: 1px solid var(--highlight-color);
    color: #dce5ff;
    background: rgba(122, 141, 255, 0.08);
    padding: 4px 9px;
    font-size: 0.72rem;
    text-transform: uppercase;
    font-weight: 700;
}

.contact-info p { margin-bottom: 8px; }
.center { text-align: center; }

.social-links a {
    width: 46px;
    height: 46px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    border: 1px solid var(--line-color);
    background: rgba(13, 20, 38, 0.75);
    transition: 0.25s ease;
}

.social-links a:hover {
    border-color: var(--primary-color);
    box-shadow: 0 0 18px rgba(57, 255, 212, 0.25);
    transform: translateY(-2px);
}

footer {
    border-top: 1px solid var(--line-color);
    margin-top: 26px;
    padding: 20px 0 26px;
    color: var(--muted-text);
    background: rgba(7, 12, 24, 0.75);
}

@media (max-width: 960px) {
    body { padding-left: 0; }

    .navbar {
        position: sticky;
        width: 100%;
        height: auto;
        border-right: 0;
        border-bottom: 1px solid var(--line-color);
        backdrop-filter: blur(10px);
    }

    .navbar .container { padding: 20px 4%; }
    .nav-links { display: none; }
    .nav-select { display: block; }

    .hero-content,
    .page-hero .container,
    .content-card,
    .info-card,
    .skill-category,
    .project-card,
    .timeline-item,
    .quick-card { box-shadow: 0 8px 20px var(--secondary-glow), 0 0 0 1px rgba(57, 255, 212, 0.08) inset; }
}