/* ============================
 *   style.css - Web Styling
 *   Centered header + polished spacing + animations
 * ============================ */

:root {
    --bg: #0f0f11;
    --card: #161616;
    --text: #fafafa;
    --subtext: #9aa0a6;
    --border: rgba(255, 255, 255, 0.06);
    --accent: #26d4ff;
    --accent-2: #4de3ff;
    --glass: rgba(255, 255, 255, 0.02);
    --radius: 14px;
    --nav-h: 72px;
    --container: 1200px;
    --transition: 220ms;
}

body.light {
    --bg: #ffffff;
    --card: #fbfbfb;
    --text: #0b0b0b;
    --subtext: #5b6166;
    --border: rgba(0, 0, 0, 0.06);
    --accent: #00b7d6;
    --accent-2: #11c2e4;
    --glass: rgba(0, 0, 0, 0.02);
}

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

html,
body {
    height: 100%;
}

body {
    font-family: Inter, system-ui, -apple-system, "Segoe UI", Roboto, Arial;
    background: var(--bg);
    color: var(--text);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    transition: background var(--transition), color var(--transition);
}

/* container */

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

/* -----------------------
 *         NAVBAR
 * ----------------------- */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--nav-h);
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(180deg, rgba(0, 0, 0, 0.28), rgba(0, 0, 0, 0.16));
    backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border);
    z-index: 999;
}

body.light .navbar {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.6), rgba(255, 255, 255, 0.45));
}

.nav-inner {
    width: 100%;
    max-width: var(--container);
    display: flex;
    align-items: center;
    justify-content: center;
}

.center-wrapper {
    display: flex;
    align-items: center;
    gap: 34px;
    width: 100%;
    justify-content: center;
    padding: 0 12px;
}

/* brand (avatar stack + fallback) */

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.brand-avatar {
    position: relative;
    width: 48px;
    height: 48px;
    border-radius: 12px;
    overflow: hidden;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(90deg, var(--accent), var(--accent-2));
    font-weight: 700;
    color: #000;
}

.brand-avatar img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

#brandFallback {
    position: absolute;
    inset: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 14px;
    letter-spacing: 0.6px;
}

/* brand text */

.brand-text {
    display: flex;
    flex-direction: column;
}

.name {
    font-weight: 700;
    font-size: 18px;
    line-height: 1;
}

.sub {
    font-size: 12px;
    color: var(--subtext);
}

/* nav links */

.nav-links {
    display: flex;
    align-items: center;
    gap: 26px;
}

.nav-links a {
    color: var(--subtext);
    text-decoration: none;
    font-weight: 600;
    padding: 8px 6px;
    border-radius: 8px;
    position: relative;
    transition: color var(--transition);
}

.nav-links a:hover {
    color: var(--accent);
}

.nav-links a.active {
    color: var(--accent);
}

.nav-links a::after {
    content: "";
    position: absolute;
    left: 50%;
    bottom: -10px;
    height: 3px;
    width: 36px;
    border-radius: 999px;
    background: var(--accent);
    transform: translateX(-50%) scaleX(0);
    transition: transform 260ms ease;
}

.nav-links a.active::after {
    transform: translateX(-50%) scaleX(1);
}

/* M3 toggle (switch) */

.m3-toggle {
    width: 52px;
    height: 28px;
    padding: 0;
    border: 0;
    background: transparent;
    position: relative;
    cursor: pointer;
}

.m3-toggle .track {
    position: absolute;
    inset: 0;
    border-radius: 20px;
    background: var(--border);
    transition: background var(--transition);
}

.m3-toggle .thumb {
    position: absolute;
    top: 3px;
    left: 3px;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 240ms cubic-bezier(.2, .9, .3, 1);
}

.m3-toggle .thumb svg {
    width: 14px;
    height: 14px;
    fill: #000;
}

body.light .m3-toggle .thumb {
    transform: translateX(24px);
}

body.light .m3-toggle .track {
    background: var(--accent-2);
}

/* -----------------------
 *         HERO
 * ----------------------- */

.hero {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    padding-top: calc(var(--nav-h) + 34px);
    padding-bottom: 64px;
}

.hero-left {
    flex: 1;
    min-width: 300px;
}

.hero-right {
    flex: 1;
    display: flex;
    justify-content: center;
}

.hero-title {
    font-size: 48px;
    line-height: 1.05;
    margin-bottom: 12px;
    font-weight: 800;
    opacity: 0;
    transform: translateY(6px);
    animation: fadeInUp 600ms ease forwards 120ms;
}

.hero-title .hi {
    color: var(--subtext);
    font-weight: 600;
    margin-right: 8px;
}

.gradient-name {
    background: linear-gradient(90deg, var(--accent), var(--accent-2));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-family: 'Space Grotesk', sans-serif;
}

.hero-sub {
    color: var(--subtext);
    max-width: 560px;
    margin-bottom: 18px;
    opacity: 0;
    transform: translateY(6px);
    animation: fadeInUp 600ms ease forwards 220ms;
}

.hero-ctas {
    display: flex;
    gap: 12px;
    align-items: center;
    opacity: 0;
    transform: translateY(6px);
    animation: fadeInUp 600ms ease forwards 320ms;
}

.hero-pills {
    display: flex;
    gap: 8px;
    margin-top: 16px;
    opacity: 0;
    transform: translateY(6px);
    animation: fadeInUp 600ms ease forwards 380ms;
}

.pill {
    padding: 6px 12px;
    border-radius: 999px;
    background: var(--glass);
    border: 1px solid var(--border);
    color: var(--subtext);
    font-size: 13px;
}

/* hero photo */

.hero-photo {
    width: 360px;
    border-radius: 18px;
    overflow: hidden;
    border: 1px solid var(--border);
    background: var(--card);
    box-shadow: 0 10px 36px rgba(0, 0, 0, 0.45);
}

.hero-img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 300ms;
}

.hero-img:hover {
    transform: translateY(-6px);
}

/* -----------------------
 *        BUTTONS
 * ----------------------- */

/* align CTAs inside card consistently */

.card-cta,
.card .card-cta,
.projects-grid .card .card-cta,
.network-grid .card .card-cta {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 12px;
}

/* unify button sizes and remove scale on hover */

.btn-primary,
.btn-outline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 10px 16px;
    border-radius: 12px;
    font-weight: 700;
    text-decoration: none;
    transition: transform 220ms ease, box-shadow 220ms ease, border-color 160ms ease, color 160ms ease;
    will-change: transform, box-shadow;
    transform-origin: center center;
}

/* primary */

.btn-primary {
    background: var(--accent);
    color: #000;
    box-shadow: 0 8px 20px rgba(38, 212, 255, 0.08);
}

.btn-primary:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 36px rgba(38, 212, 255, 0.12);
}

/* outline */

.btn-outline {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text);
}

.btn-outline:hover {
    transform: translateY(-3px);
    border-color: var(--accent);
    color: var(--accent);
    box-shadow: 0 12px 28px rgba(38, 212, 255, 0.06);
}

/* small CTAs inside cards */

.small-cta {
    padding: 8px 12px;
    min-height: 40px;
    border-radius: 10px;
    font-weight: 700;
}

/* icons inside buttons centered */

.btn-primary .icon,
.btn-outline .icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

/* spacing above CTAs */

.card h3,
.card h4 {
    margin-bottom: 10px;
}

/* -----------------------
 *   SECTIONS & CARDS
 * ----------------------- */

.section {
    padding: 64px 0;
}

.heading {
    text-align: center;
    font-size: 34px;
    margin-bottom: 34px;
    font-weight: 700;
}

/* base card */

.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 22px;
    transition: transform 200ms, box-shadow 200ms, border-color 200ms;
}

.card:hover {
    transform: translateY(-6px);
}

.network-grid .card:hover {
    border-color: var(--accent);
    box-shadow: 0 18px 44px rgba(0, 0, 0, 0.45);
}

/* about */

.about-wrap {
    max-width: 920px;
    margin: 0 auto;
}

.about-card p {
    margin-bottom: 14px;
}

.muted-meta {
    color: var(--subtext);
    margin-top: 8px;
}

/* tech badges */

.tech-block h4 {
    font-family: 'Space Grotesk', sans-serif;
    margin-bottom: 10px;
}

.tech-row {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 10px;
}

.tech-badge {
    padding: 6px 10px;
    border-radius: 999px;
    border: 1px solid var(--border);
    background: var(--glass);
    color: var(--subtext);
    font-size: 13px;
    transition: transform 180ms, color 180ms, border-color 180ms;
}

.tech-badge:hover {
    transform: translateY(-4px);
    color: var(--text);
    border-color: var(--accent);
}

/* grids */

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 18px;
}

/* NETWORK GRID — 3 per row desktop, 2 tablet, 1 mobile */

.network-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 360px;
    gap: 24px;
}

.contact-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 12px;
}

.contact-item i {
    width: 26px;
    text-align: center;
    color: var(--accent);
    font-size: 16px;
}

/* footer */

.footer-inner {
    display: flex;
    flex-direction: column;
    gap: 6px;
    align-items: center;
    padding: 36px 0;
    color: var(--subtext);
}

/* remove editable feel */

.card,
.heading,
.hero-sub,
.tech-badge,
.contact-item,
.brand .name,
.brand .sub {
    cursor: default;
    caret-color: transparent;
}

a,
button,
.m3-toggle,
.btn-primary,
.btn-outline {
    cursor: pointer;
    caret-color: initial;
}

/* accessibility focus */

a:focus,
button:focus {
    outline: 3px solid rgba(38, 212, 255, 0.12);
    outline-offset: 6px;
    border-radius: 10px;
}

/* animations */

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ----------------------------------------
 *   QUICK CONTACT: spacing
 * ---------------------------------------- */

aside .card.quick-contact {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
}

aside .card.quick-contact p {
    margin-bottom: 20px !important;
}

aside .card.quick-contact a.btn-primary {
    margin-top: 6px !important;
    display: inline-flex;
}

/* --------------------------------------------------
 *   NETWORK SECTION (buttons aligned clean)
 * -------------------------------------------------- */

.network-grid .card p {
    margin-bottom: 18px;
}

.network-grid .card a.btn-outline,
.network-grid .card a.btn-primary,
.network-grid .card a.small-cta {
    margin-top: 8px;
}

.network-grid .card {
    padding: 26px;
}

/* -----------------------
 *   RESPONSIVE TWEAKS
 * ----------------------- */

@media (max-width: 1024px) {
    .network-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .network-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 980px) {
    .center-wrapper {
        gap: 18px;
    }

    .hero {
        flex-direction: column;
        gap: 28px;
        padding-top: calc(var(--nav-h) + 18px);
    }

    .hero-photo {
        width: 280px;
    }

    .nav-links {
        display: none; /* mobile menu can be added later */
    }
}

@media (max-width: 560px) {
    .hero-title {
        font-size: 34px;
    }

    .brand-text .sub {
        display: none;
    }

    .center-wrapper {
        gap: 10px;
    }
}