/* =========================
   ROOT VARIABLES
========================= */

:root {
    --bg-main: #081018;
    --bg-secondary: #0f1724;
    --bg-elevated: #162131;

    --accent: #2596be;
    --accent-light: #4cb8df;
    --accent-dark: #1b6f8d;

    --text-main: #f3f7fb;
    --text-secondary: #b7c6d6;
    --text-muted: #7f92a8;

    --border: rgba(255, 255, 255, 0.08);

    --shadow-soft: 0 10px 30px rgba(0, 0, 0, 0.35);
    --shadow-glow: 0 0 30px rgba(37, 150, 190, 0.18);

    --radius-sm: 10px;
    --radius-md: 16px;
    --radius-lg: 22px;

    --container-width: 1200px;

    --transition: 0.25s ease;
}

/* =========================
   RESET
========================= */

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;

    font-family:
        Inter,
        system-ui,
        -apple-system,
        BlinkMacSystemFont,
        "Segoe UI",
        sans-serif;

    background:
        linear-gradient(135deg,
            #081018 0%,
            #0d1624 50%,
            #102131 100%);

    color: var(--text-main);
    line-height: 1.6;
}

/* =========================
   TYPOGRAPHY
========================= */

h1,
h2,
h3,
h4 {
    margin-top: 0;
    line-height: 1.15;
}

h1 {
    font-size: clamp(3rem, 8vw, 5rem);
    letter-spacing: -0.04em;
}

h2 {
    font-size: clamp(2rem, 5vw, 3rem);
    margin-bottom: 1.5rem;
}

h3 {
    font-size: 1.35rem;
}

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

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

/* =========================
   LAYOUT
========================= */

.container {
    width: min(100% - 2rem, var(--container-width));
    margin-inline: auto;
}

.section {
    padding: 6rem 0;
}

/* =========================
   HEADER / NAV
========================= */

.site-header {
    position: sticky;
    top: 0;
    z-index: 100;

    backdrop-filter: blur(10px);

    background: rgba(8, 16, 24, 0.75);

    border-bottom: 1px solid var(--border);
}

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

    min-height: 80px;
}

.logo {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--text-main);
}

.nav-links {
    display: flex;
    gap: 2rem;

    list-style: none;
    padding: 0;
    margin: 0;
}

.nav-links a {
    color: var(--text-secondary);
    transition: var(--transition);
}

.nav-links a:hover,
.nav-links a:focus {
    color: var(--accent-light);
    border: 1px solid;
    min-height: 52px;
    padding: 0 1.4rem;
    border-radius: 0.5rem;
}

/* =========================
   HERO
========================= */

.hero {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 4rem;

    align-items: center;

    min-height: 90vh;
}

.eyebrow {
    color: var(--accent-light);
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.hero-text {
    font-size: 1.15rem;
    max-width: 60ch;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;

    margin-top: 2rem;
}

/* =========================
   BUTTONS
========================= */

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;

    min-height: 52px;

    padding: 0 1.4rem;

    border-radius: var(--radius-md);

    font-weight: 600;

    transition: var(--transition);

    border: 1px solid transparent;
}

.button-primary {
    background: var(--accent);
    color: white;
}

.button-primary:hover {
    background: var(--accent-light);
    transform: translateY(-2px);

    box-shadow: var(--shadow-glow);
}

.button-secondary {
    background: transparent;

    border-color: var(--border);

    color: var(--text-main);
}

.button-secondary:hover {
    border-color: var(--accent);
    color: var(--accent-light);
}

/* =========================
   TERMINAL PANEL
========================= */

.hero-panel {
    background: rgba(15, 23, 36, 0.85);

    border: 1px solid var(--border);

    border-radius: var(--radius-lg);

    padding: 1.5rem;

    box-shadow:
        var(--shadow-soft),
        var(--shadow-glow);
}

.terminal-header {
    display: flex;
    gap: 0.5rem;

    margin-bottom: 1rem;
}

.terminal-header span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.terminal-header span.red {
    background-color: #ff4c4c;
}

.terminal-header span.yellow {
    background-color: #ffd700;
}

.terminal-header span.green {
    background-color: #32cd32;
}

.terminal pre {
    margin: 0;
    overflow-x: auto;

    color: var(--accent-light);

    font-family:
        "JetBrains Mono",
        monospace;
}

/* =========================
   SECTION HEADERS
========================= */

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

    gap: 2rem;

    margin-bottom: 2rem;
}

/* =========================
   PROJECT GRID
========================= */

.project-grid,
.mini-project-grid,
.skills-grid {
    display: grid;
    gap: 1.5rem;
}

.project-grid {
    grid-template-columns:
        repeat(auto-fit, minmax(320px, 1fr));
}

.mini-project-grid {
    grid-template-columns:
        repeat(auto-fit, minmax(220px, 1fr));
}

.skills-grid {
    grid-template-columns:
        repeat(auto-fit, minmax(240px, 1fr));
}

/* =========================
   CARDS
========================= */

.project-card,
.mini-card,
.skill-card,
.contact-card {
    background: rgba(15, 23, 36, 0.85);

    border: 1px solid var(--border);

    border-radius: var(--radius-lg);

    overflow: hidden;

    transition: var(--transition);

    box-shadow: var(--shadow-soft);
}

.project-card:hover,
.mini-card:hover,
.skill-card:hover {
    transform: translateY(-6px);

    border-color: rgba(37, 150, 190, 0.4);

    box-shadow:
        var(--shadow-soft),
        var(--shadow-glow);
}

.project-card img {
    width: 100%;
    aspect-ratio: 16 / 9;

    object-fit: cover;
    object-position: top center;

    display: block;

    transition: transform 0.4s ease;
}

.project-card:hover img {
    transform: scale(1.03);
}

.project-content,
.mini-card,
.skill-card,
.contact-card {
    padding: 1.5rem;
}

/* =========================
   TAGS
========================= */

.tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;

    margin-top: 1rem;
}

.tags span {
    padding: 0.35rem 0.7rem;

    border-radius: 999px;

    background: rgba(37, 150, 190, 0.12);

    color: var(--accent-light);

    font-size: 0.85rem;

    border: 1px solid rgba(37, 150, 190, 0.25);
}

/* =========================
   CARD ACTIONS
========================= */

.card-actions {
    display: flex;
    gap: 1rem;

    margin-top: 1.5rem;
}

.card-link {
    color: var(--accent-light);
    font-weight: 600;
}

.card-link:hover {
    color: white;
}

/* =========================
   ABOUT SECTION
========================= */

.about-section {
    display: grid;
    grid-template-columns: 1fr 420px;
    gap: 3rem;
}

.contact-card {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

/* =========================
   FOOTER
========================= */

.site-footer {
    border-top: 1px solid var(--border);

    padding: 2rem 0;

    margin-top: 4rem;
}

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

/* =========================
   RESPONSIVE
========================= */

@media (max-width: 900px) {

    .hero,
    .about-section {
        grid-template-columns: 1fr;
    }

    .hero {
        padding-top: 4rem;
    }

    .nav-links {
        gap: 1rem;
    }
}

@media (max-width: 700px) {
    .navbar {
        flex-direction: column;
        justify-content: center;

        padding: 1rem 0;
    }

    .nav-links {
        flex-wrap: wrap;
        justify-content: center;
    }

    .section {
        padding: 4rem 0;
    }

    .section-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .footer-content {
        flex-direction: column;
        gap: 1rem;
    }
}