:root {
    --bg: #050816;
    --bg-soft: #0b1020;
    --bg-softer: #11172a;
    --accent: #48a9ff;
    --accent-soft: rgba(72, 169, 255, 0.15);
    --text: #f4f4f5;
    --muted: #a0a3af;
    --border-subtle: rgba(255, 255, 255, 0.08);
    --shadow-soft: 0 18px 45px rgba(0, 0, 0, 0.55);
    --contrast-text: #f4f4f5;
    --hero-gradient-start: #1e293b;
    --hero-gradient-end: #0b1020;
}

[data-theme="light"] {
    --bg: #f5f5f7;
    --bg-soft: #ffffff;
    --bg-softer: #cacadd;
    --accent: #2563eb;
    --accent-soft: rgba(37, 99, 235, 0.08);
    --text: #111827;
    --muted: #4b5563;
    --border-subtle: rgba(15, 23, 42, 0.08);
    --shadow-soft: 0 16px 40px rgba(15, 23, 42, 0.12);
    --contrast-text: #f4f4f5;
    --hero-gradient-start: #c9d4e6;
    --hero-gradient-end: #99a3c0;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont,
        "Segoe UI", sans-serif;
    background: radial-gradient(circle at top, var(--bg-softer) 0, var(--bg) 55%);
    color: var(--text);
    -webkit-font-smoothing: antialiased;
}

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

/* Layout */

.page {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

header {
    position: sticky;
    top: 0;
    z-index: 50;
    backdrop-filter: blur(16px);
    background: linear-gradient(to bottom,
            rgba(5, 8, 22, 0.9),
            rgba(5, 8, 22, 0.75),
            transparent);
    border-bottom: 1px solid var(--border-subtle);
}

.nav {
    max-width: 1080px;
    margin: 0 auto;
    padding: 0.9rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
}

.nav-left {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-mark {
    width: 32px;
    height: 32px;
    border-radius: 999px;
    background: radial-gradient(circle at 30% 30%, #fff, #48a9ff);
    box-shadow: 0 0 0 2px rgba(72, 169, 255, 0.35);
}

.nav-title {
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    font-size: 0.9rem;
    color: var(--contrast-text);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    font-size: 0.9rem;
}

.nav-links a {
    position: relative;
    color: var(--contrast-text);
    cursor: pointer;
}

.nav-links a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -0.25rem;
    width: 0;
    height: 2px;
    background: var(--accent);
    transition: width 0.18s ease-out;
}

.nav-links a:hover::after {
    width: 100%;
}

.theme-toggle {
    border-radius: 999px;
    border: 1px solid var(--border-subtle);
    background: rgba(15, 23, 42, 0.8);
    padding: 0.25rem 0.9rem;
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.8rem;
    color: var(--muted);
    cursor: pointer;
}

.theme-dot {
    width: 9px;
    height: 9px;
    border-radius: 999px;
    background: var(--accent);
}

main {
    flex: 1;
}

.section {
    max-width: 1080px;
    margin: 0 auto;
    padding: 3rem 1.5rem 4rem;
}

.section--hero {
    display: grid;
    grid-template-columns: minmax(0, 1.7fr) minmax(0, 1.3fr);
    gap: 3rem;
    align-items: center;
    padding-top: 4rem;
}

@media (max-width: 800px) {
    .section--hero {
        grid-template-columns: minmax(0, 1fr);
        padding-top: 2.5rem;
    }
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.2rem 0.7rem;
    border-radius: 999px;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.13em;
    color: var(--contrast-text);
    border: 1px solid var(--border-subtle);
    background: rgba(15, 23, 42, 0.65);
}

.eyebrow-dot {
    width: 6px;
    height: 6px;
    border-radius: 999px;
    background: #22c55e;
    box-shadow: 0 0 0 4px rgba(34, 197, 94, 0.28);
}

h1.hero-title {
    margin: 1.5rem 0 0.75rem;
    font-size: clamp(2.4rem, 5vw, 3.3rem);
    line-height: 1.05;
}

.hero-highlight {
    background: linear-gradient(120deg, #48a9ff, #a855f7, #f97316);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.hero-subtitle {
    max-width: 36rem;
    font-size: 0.98rem;
    line-height: 1.6;
    color: var(--muted);
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
    margin-top: 1.5rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.7rem 1.3rem;
    border-radius: 999px;
    font-size: 0.88rem;
    cursor: pointer;
    border: 1px solid transparent;
    transition: transform 0.12s ease-out, box-shadow 0.12s ease-out,
        background 0.12s ease-out, border-color 0.12s ease-out;
}

.btn-primary {
    background: linear-gradient(135deg, #48a9ff, #6366f1);
    color: #f9fafb;
    box-shadow: var(--shadow-soft);
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 22px 50px rgba(15, 23, 42, 0.9);
}

.btn-ghost {
    border-color: var(--border-subtle);
    background: rgba(15, 23, 42, 0.6);
    color: var(--contrast-text);
}

.btn-ghost:hover {
    border-color: var(--accent);
    color: var(--text);
}

.hero-meta {
    margin-top: 1.7rem;
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    font-size: 0.78rem;
    color: var(--muted);
}

.hero-meta span {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
}

.hero-meta-dot {
    width: 7px;
    height: 7px;
    border-radius: 999px;
    background: var(--accent);
}

/* Right hero card */

.hero-card {
    background: radial-gradient(circle at top left, var(--hero-gradient-start), var(--hero-gradient-end));
    border-radius: 24px;
    border: 1px solid var(--border-subtle);
    padding: 1.6rem 1.5rem;
    box-shadow: var(--shadow-soft);
    position: relative;
    overflow: hidden;
}

.hero-orbit {
    position: absolute;
    inset: -30%;
    opacity: 0.22;
    background:
        radial-gradient(circle at 10% 0, rgba(72, 169, 255, 0.85), transparent 55%),
        radial-gradient(circle at 80% 20%, rgba(168, 85, 247, 0.7), transparent 60%),
        radial-gradient(circle at 30% 90%, rgba(56, 189, 248, 0.7), transparent 60%);
}

.hero-card-inner {
    position: relative;
}

.hero-card-title {
    font-size: 0.88rem;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    color: var(--contrast-text);
}

.hero-card-main {
    margin-top: 0.6rem;
    font-size: 1.05rem;
}

.hero-pill-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin: 1.1rem 0;
}

.pill {
    padding: 0.35rem 0.8rem;
    border-radius: 999px;
    font-size: 0.75rem;
    background: var(--accent-soft);
    border: 1px solid rgba(72, 169, 255, 0.35);
    color: #e5f2ff;
}

[data-theme="light"] .pill {
    color: #1d2939;
}

.hero-card-footer {
    margin-top: 1.3rem;
    font-size: 0.78rem;
    color: var(--muted);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.75rem;
}

.hero-badge {
    padding: 0.22rem 0.7rem;
    border-radius: 999px;
    border: 1px dashed rgba(148, 163, 184, 0.7);
    font-size: 0.7rem;
}

/* Tech strip */

.section--tech {
    padding-top: 0;
}

.tech-strip {
    margin-top: 1.3rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    font-size: 0.78rem;
}

.tech-chip {
    padding: 0.4rem 0.85rem;
    border-radius: 999px;
    background: var(--bg-softer);
    border: 1px solid var(--border-subtle);
    color: var(--muted);
}

/* Projects preview */

.section-heading {
    font-size: 1.1rem;
    margin-bottom: 0.3rem;
}

.section-subtext {
    font-size: 0.9rem;
    color: var(--muted);
    max-width: 32rem;
}

.projects-grid {
    margin-top: 1.5rem;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.5rem;
}

@media (max-width: 900px) {
    .projects-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 640px) {
    .projects-grid {
        grid-template-columns: minmax(0, 1fr);
    }
}

.project-card {
    position: relative;
    border-radius: 18px;
    background: var(--bg-soft);
    border: 1px solid var(--border-subtle);
    padding: 1rem;
    overflow: hidden;
    cursor: pointer;
    transition: transform 0.15s ease-out, box-shadow 0.15s ease-out,
        border-color 0.15s ease-out;
}

.project-card:hover {
    transform: translateY(-3px);
    border-color: rgba(72, 169, 255, 0.7);
    box-shadow: var(--shadow-soft);
}

.project-tag {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.13em;
    color: var(--muted);
}

.project-title {
    margin: 0.5rem 0 0.3rem;
    font-size: 0.98rem;
}

.project-desc {
    font-size: 0.82rem;
    color: var(--muted);
    min-height: 3.5em;
}

.project-meta {
    margin-top: 0.7rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    font-size: 0.74rem;
    color: var(--muted);
}

.project-pill {
    padding: 0.2rem 0.6rem;
    border-radius: 999px;
    background: rgba(15, 23, 42, 0.75);
    border: 1px solid rgba(148, 163, 184, 0.5);
    color: var(--contrast-text);
}

/* About + Contact */

.about-body {
    margin-top: 1rem;
    font-size: 0.92rem;
    line-height: 1.7;
    color: var(--muted);
    max-width: 42rem;
}

.contact-box {
    margin-top: 1.5rem;
    border-radius: 18px;
    padding: 1.4rem 1.6rem;
    background: var(--bg-soft);
    border: 1px solid var(--border-subtle);
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 1rem;
    justify-content: space-between;
}

.contact-text {
    font-size: 0.9rem;
    color: var(--muted);
}

footer {
    border-top: 1px solid var(--border-subtle);
    padding: 1.2rem 1.5rem 1.6rem;
    font-size: 0.76rem;
    color: var(--muted);
    text-align: center;
}

.SSL-seal {
    margin-top: 0.8rem;
    display:block;
}