/* =========================
   Tech Neon Portfolio - CSS
   File: styles.css
   ========================= */

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

html,
body {
    height: 100%;
}

body {
    margin: 0;
    font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto,
        "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", Arial, sans-serif;

    color: var(--text);
    background: radial-gradient(1100px 700px at 15% 15%, rgba(110, 231, 255, .12), transparent 60%),
        radial-gradient(900px 650px at 85% 30%, rgba(196, 124, 255, .12), transparent 60%),
        radial-gradient(1100px 700px at 60% 95%, rgba(56, 189, 248, .10), transparent 55%),
        var(--bg);

    overflow-x: hidden;
}

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

button {
    font: inherit;
}

img {
    max-width: 100%;
    display: block;
}

:root {
    --bg: #060814;
    --panel: rgba(16, 20, 40, .55);
    --panel2: rgba(12, 16, 35, .38);
    --border: rgba(255, 255, 255, .10);

    --text: rgba(255, 255, 255, .92);
    --muted: rgba(255, 255, 255, .68);

    --c1: #38bdf8;
    /* cyan */
    --c2: #a78bfa;
    /* violet */
    --c3: #22c55e;
    /* green */
    --warn: #fbbf24;

    --shadow: 0 18px 70px rgba(0, 0, 0, .50);
    --shadow2: 0 10px 35px rgba(0, 0, 0, .35);
    --radius: 18px;

    --container: 1120px;
    --header-h: 72px;

    --ease: cubic-bezier(.2, .8, .2, 1);
}

body[data-theme="light"] {
    --bg: #f7f8ff;
    --panel: rgba(255, 255, 255, .60);
    --panel2: rgba(255, 255, 255, .42);
    --border: rgba(20, 24, 40, .10);

    --text: rgba(10, 12, 20, .92);
    --muted: rgba(10, 12, 20, .64);

    --shadow: 0 18px 70px rgba(20, 20, 40, .15);
    --shadow2: 0 10px 35px rgba(20, 20, 40, .10);
}

/* ---- Utilities ---- */
.container {
    width: min(var(--container), calc(100% - 40px));
    margin: 0 auto;
}

.section {
    padding: 96px 0;
    position: relative;
}

.section-head {
    margin-bottom: 22px;
    display: grid;
    gap: 8px;
}

.section-title {
    margin: 0;
    font-size: clamp(26px, 3vw, 38px);
    letter-spacing: .2px;
}

.section-desc {
    margin: 0;
    color: var(--muted);
    max-width: 70ch;
}

.muted {
    color: var(--muted);
}

.gradient {
    background: linear-gradient(90deg, var(--c1), var(--c2), var(--c1));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    background-size: 200% 100%;
    animation: sheen 6s linear infinite;
}

@keyframes sheen {
    0% {
        background-position: 0% 50%;
    }

    100% {
        background-position: 200% 50%;
    }
}

/* ---- Background Canvas / Orbs ---- */
#bg-canvas {
    position: fixed;
    inset: 0;
    z-index: -2;
    width: 100%;
    height: 100%;
}

.glow-orb {
    position: fixed;
    width: 520px;
    height: 520px;
    border-radius: 999px;
    filter: blur(40px);
    opacity: .55;
    z-index: -1;
    pointer-events: none;
    mix-blend-mode: screen;
}

.orb-1 {
    left: -140px;
    top: 120px;
    background: radial-gradient(circle at 30% 30%, rgba(56, 189, 248, .8), transparent 60%),
        radial-gradient(circle at 60% 70%, rgba(167, 139, 250, .7), transparent 62%);
    animation: float1 10s var(--ease) infinite alternate;
}

.orb-2 {
    right: -180px;
    bottom: -120px;
    background: radial-gradient(circle at 40% 35%, rgba(167, 139, 250, .78), transparent 60%),
        radial-gradient(circle at 65% 65%, rgba(34, 197, 94, .55), transparent 62%);
    animation: float2 12s var(--ease) infinite alternate;
}

@keyframes float1 {
    from {
        transform: translate3d(0, 0, 0) scale(1);
    }

    to {
        transform: translate3d(40px, -30px, 0) scale(1.06);
    }
}

@keyframes float2 {
    from {
        transform: translate3d(0, 0, 0) scale(1);
    }

    to {
        transform: translate3d(-35px, 25px, 0) scale(1.05);
    }
}

/* ---- Header ---- */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    height: var(--header-h);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    background: linear-gradient(to bottom, rgba(0, 0, 0, .35), rgba(0, 0, 0, .10));
    border-bottom: 1px solid var(--border);
}

body[data-theme="light"] .site-header {
    background: linear-gradient(to bottom, rgba(255, 255, 255, .70), rgba(255, 255, 255, .30));
}

.header-inner {
    height: var(--header-h);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 8px 10px;
    border-radius: 999px;
    border: 1px solid transparent;
    transition: border-color .25s var(--ease), transform .25s var(--ease);
}

.brand:hover {
    border-color: var(--border);
    transform: translateY(-1px);
}

.brand-mark {
    width: 28px;
    height: 28px;
    display: grid;
    place-items: center;
    border-radius: 10px;
    background:
        radial-gradient(circle at 30% 30%, rgba(56, 189, 248, .55), transparent 60%),
        radial-gradient(circle at 65% 65%, rgba(167, 139, 250, .55), transparent 62%),
        rgba(255, 255, 255, .06);
    box-shadow: var(--shadow2);
    border: 1px solid var(--border);
}

.brand-mark.small {
    width: 22px;
    height: 22px;
    border-radius: 8px;
}

.brand-text {
    font-weight: 700;
    letter-spacing: .6px;
}

/* ---- Nav ---- */
.nav {
    display: flex;
    align-items: center;
    gap: 10px;
}

.nav-toggle {
    display: none;
    width: 44px;
    height: 44px;
    border-radius: 12px;
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, .06);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    cursor: pointer;
    transition: transform .2s var(--ease), background .2s var(--ease);
}

.nav-toggle:hover {
    transform: translateY(-1px);
    background: rgba(255, 255, 255, .10);
}

.nav-toggle-bar {
    display: block;
    width: 18px;
    height: 2px;
    margin: 4px auto;
    background: linear-gradient(90deg, var(--c1), var(--c2));
    border-radius: 99px;
}

.nav-list {
    display: flex;
    align-items: center;
    gap: 6px;
    list-style: none;
    padding: 0;
    margin: 0;
}

.nav-link {
    position: relative;
    padding: 10px 12px;
    border-radius: 999px;
    color: var(--muted);
    font-weight: 600;
    letter-spacing: .2px;
    transition: color .2s var(--ease), background .2s var(--ease), transform .2s var(--ease);
}

.nav-link:hover {
    color: var(--text);
    background: rgba(255, 255, 255, .08);
    transform: translateY(-1px);
}

.nav-link.active {
    color: var(--text);
    background: linear-gradient(90deg, rgba(56, 189, 248, .20), rgba(167, 139, 250, .18));
    border: 1px solid var(--border);
}

/* ---- Header actions ---- */
.header-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

/* ---- Buttons ---- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 11px 14px;
    border-radius: 14px;
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, .06);
    color: var(--text);
    cursor: pointer;
    transition: transform .2s var(--ease), background .2s var(--ease), box-shadow .2s var(--ease);
    user-select: none;
}

.btn:hover {
    transform: translateY(-1px);
    background: rgba(255, 255, 255, .10);
    box-shadow: var(--shadow2);
}

.btn:active {
    transform: translateY(0px) scale(.99);
}

.btn-primary {
    border-color: rgba(56, 189, 248, .30);
    background: linear-gradient(90deg, rgba(56, 189, 248, .25), rgba(167, 139, 250, .22));
}

.btn-primary:hover {
    background: linear-gradient(90deg, rgba(56, 189, 248, .33), rgba(167, 139, 250, .28));
}

.btn-secondary {
    border-color: rgba(167, 139, 250, .30);
    background: linear-gradient(90deg, rgba(167, 139, 250, .22), rgba(56, 189, 248, .18));
}

.btn-ghost {
    background: transparent;
}

.btn-icon {
    opacity: .9;
    transform: translateY(-.5px);
}

.btn-text {
    font-weight: 700;
    letter-spacing: .2px;
}

.icon {
    opacity: .9;
}

/* ---- Hero ---- */
.hero {
    padding-top: 72px;
    padding-bottom: 78px;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.2fr .9fr;
    gap: 30px;
    align-items: start;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 8px 12px;
    border-radius: 999px;
    background: rgba(255, 255, 255, .06);
    border: 1px solid var(--border);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    color: var(--muted);
    width: fit-content;
}

.badge .dot {
    width: 8px;
    height: 8px;
    border-radius: 99px;
    background: var(--c3);
    box-shadow: 0 0 14px rgba(34, 197, 94, .55);
}

.hero-title {
    margin: 14px 0 10px;
    font-size: clamp(34px, 4vw, 56px);
    line-height: 1.06;
    letter-spacing: -.5px;
}

.hero-title .muted {
    display: block;
    font-size: clamp(16px, 2vw, 18px);
    margin-bottom: 8px;
    color: var(--muted);
    letter-spacing: .2px;
}

.hero-subtitle {
    min-height: 28px;
    margin: 0 0 10px;
    font-weight: 800;
    letter-spacing: .3px;
    color: rgba(255, 255, 255, .92);
    font-size: clamp(16px, 2vw, 18px);
}

body[data-theme="light"] .hero-subtitle {
    color: rgba(10, 12, 20, .92);
}

.hero-desc {
    margin: 0;
    color: var(--muted);
    max-width: 62ch;
}

.hero-cta {
    margin-top: 18px;
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.hero-stats {
    margin-top: 22px;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
}

.stat-card {
    padding: 14px 14px;
    border-radius: var(--radius);
    background: linear-gradient(180deg, var(--panel), rgba(255, 255, 255, .04));
    border: 1px solid var(--border);
    box-shadow: var(--shadow2);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: "";
    position: absolute;
    inset: -2px;
    background: radial-gradient(400px 200px at 20% 10%, rgba(56, 189, 248, .20), transparent 60%),
        radial-gradient(400px 220px at 85% 70%, rgba(167, 139, 250, .18), transparent 65%);
    opacity: .65;
    pointer-events: none;
}

.stat-num {
    font-size: 22px;
    font-weight: 900;
    letter-spacing: .3px;
}

.stat-label {
    margin-top: 2px;
    font-weight: 800;
    opacity: .9;
}

.stat-hint {
    margin-top: 2px;
    font-size: 12px;
    color: var(--muted);
}

.hero-right {
    display: grid;
    gap: 12px;
}

.profile-card {
    border-radius: 22px;
    background: linear-gradient(180deg, var(--panel), rgba(255, 255, 255, .04));
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    overflow: hidden;
    position: relative;
}

.profile-card::before {
    content: "";
    position: absolute;
    inset: -2px;
    background: radial-gradient(520px 240px at 20% 20%, rgba(56, 189, 248, .20), transparent 60%),
        radial-gradient(520px 260px at 85% 65%, rgba(167, 139, 250, .20), transparent 62%);
    opacity: .65;
    pointer-events: none;
}

.profile-top {
    display: grid;
    grid-template-columns: 54px 1fr auto;
    gap: 12px;
    align-items: center;
    padding: 16px 16px 12px;
}

.avatar {
    width: 54px;
    height: 54px;
    border-radius: 18px;
    border: 1px solid var(--border);
    background:
        radial-gradient(circle at 35% 35%, rgba(56, 189, 248, .35), transparent 55%),
        radial-gradient(circle at 65% 70%, rgba(167, 139, 250, .35), transparent 55%),
        rgba(255, 255, 255, .08);
    box-shadow: var(--shadow2);
}

.profile-name {
    font-weight: 900;
    letter-spacing: .3px;
}

.profile-role {
    margin-top: 2px;
    font-size: 13px;
    color: var(--muted);
}

.status-pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 10px;
    border-radius: 999px;
    background: rgba(255, 255, 255, .06);
    border: 1px solid var(--border);
    color: var(--muted);
    font-weight: 700;
    font-size: 12px;
}

.pulse {
    width: 8px;
    height: 8px;
    border-radius: 99px;
    background: var(--c3);
    box-shadow: 0 0 16px rgba(34, 197, 94, .6);
    position: relative;
}

.pulse::after {
    content: "";
    position: absolute;
    inset: -6px;
    border-radius: 999px;
    border: 1px solid rgba(34, 197, 94, .35);
    animation: pulse 1.6s var(--ease) infinite;
}

@keyframes pulse {
    0% {
        transform: scale(.7);
        opacity: .0;
    }

    30% {
        opacity: .65;
    }

    100% {
        transform: scale(1.7);
        opacity: 0;
    }
}

.profile-body {
    padding: 0 16px 16px;
}

.chip-row {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    padding: 10px 0 12px;
}

.chip {
    padding: 7px 10px;
    border-radius: 999px;
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, .06);
    color: var(--muted);
    font-weight: 700;
    font-size: 12px;
}

.console {
    border-radius: 16px;
    border: 1px solid var(--border);
    background: rgba(0, 0, 0, .28);
    padding: 12px;
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .02);
}

body[data-theme="light"] .console {
    background: rgba(10, 12, 20, .06);
}

.console-line {
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
    font-size: 12px;
    color: rgba(255, 255, 255, .86);
    line-height: 1.55;
}

body[data-theme="light"] .console-line {
    color: rgba(10, 12, 20, .82);
}

.console-line .k {
    color: var(--c1);
    font-weight: 700;
}

.console-line .v {
    color: var(--c2);
    font-weight: 700;
}

.console-line.dim {
    color: var(--muted);
}

.profile-actions {
    display: flex;
    gap: 10px;
    margin-top: 12px;
}

.mini-cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.mini-card {
    border-radius: 18px;
    background: linear-gradient(180deg, var(--panel2), rgba(255, 255, 255, .03));
    border: 1px solid var(--border);
    padding: 14px;
    box-shadow: var(--shadow2);
}

.mini-title {
    font-weight: 800;
    letter-spacing: .2px;
    font-size: 12px;
    color: var(--muted);
}

.mini-value {
    margin-top: 6px;
    font-weight: 900;
    letter-spacing: .2px;
}

.mini-bar {
    margin-top: 10px;
    height: 6px;
    border-radius: 99px;
    background: rgba(255, 255, 255, .10);
    overflow: hidden;
    border: 1px solid var(--border);
}

.mini-bar span {
    display: block;
    height: 100%;
    width: 65%;
    background: linear-gradient(90deg, rgba(56, 189, 248, .7), rgba(167, 139, 250, .6));
    border-radius: 99px;
    animation: loadbar 2.8s var(--ease) infinite alternate;
}

@keyframes loadbar {
    from {
        width: 50%;
    }

    to {
        width: 78%;
    }
}

.mini-dots {
    margin-top: 10px;
    display: flex;
    gap: 6px;
}

.mini-dots span {
    width: 8px;
    height: 8px;
    border-radius: 99px;
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, .12);
    box-shadow: 0 0 12px rgba(56, 189, 248, .12);
}

.mini-dots span:nth-child(2) {
    opacity: .75;
}

.mini-dots span:nth-child(3) {
    opacity: .55;
}

/* ---- Scroll hint ---- */
.scroll-hint {
    position: absolute;
    left: 50%;
    bottom: 18px;
    transform: translateX(-50%);
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border-radius: 999px;
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, .05);
    color: var(--muted);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: transform .25s var(--ease), background .25s var(--ease);
}

.scroll-hint:hover {
    transform: translateX(-50%) translateY(-2px);
    background: rgba(255, 255, 255, .08);
}

.scroll-dot {
    width: 12px;
    height: 18px;
    border-radius: 999px;
    border: 1px solid var(--border);
    position: relative;
}

.scroll-dot::after {
    content: "";
    position: absolute;
    left: 50%;
    top: 4px;
    transform: translateX(-50%);
    width: 4px;
    height: 4px;
    border-radius: 99px;
    background: linear-gradient(180deg, var(--c1), var(--c2));
    animation: scrolldot 1.6s var(--ease) infinite;
}

@keyframes scrolldot {
    0% {
        transform: translateX(-50%) translateY(0);
        opacity: .2;
    }

    30% {
        opacity: 1;
    }

    100% {
        transform: translateX(-50%) translateY(8px);
        opacity: 0;
    }
}

.scroll-text {
    font-weight: 800;
    font-size: 12px;
}

/* ---- Layout blocks ---- */
.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
    align-items: start;
}

.glass-card {
    border-radius: 22px;
    background: linear-gradient(180deg, var(--panel), rgba(255, 255, 255, .04));
    border: 1px solid var(--border);
    box-shadow: var(--shadow2);
    padding: 18px;
    position: relative;
    overflow: hidden;
}

.glass-card::before {
    content: "";
    position: absolute;
    inset: -2px;
    background: radial-gradient(420px 240px at 18% 18%, rgba(56, 189, 248, .18), transparent 60%),
        radial-gradient(420px 260px at 85% 70%, rgba(167, 139, 250, .16), transparent 65%);
    opacity: .55;
    pointer-events: none;
}

.glass-card h3 {
    margin: 0 0 10px;
    font-weight: 900;
}

.glass-card p {
    margin: 0 0 12px;
    color: var(--muted);
    line-height: 1.7;
}

.tick-list {
    margin: 0;
    padding: 0;
    list-style: none;
    display: grid;
    gap: 10px;
}

.tick-list li {
    padding-left: 28px;
    position: relative;
    color: var(--text);
    opacity: .92;
}

.tick-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    top: 0;
    width: 20px;
    height: 20px;
    display: grid;
    place-items: center;
    border-radius: 8px;
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, .06);
    color: var(--c1);
    box-shadow: 0 0 16px rgba(56, 189, 248, .14);
}

/* ---- Highlights ---- */
.highlight {
    display: grid;
    grid-template-columns: 42px 1fr;
    gap: 12px;
    padding: 12px 10px;
    border-radius: 18px;
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, .04);
    margin-top: 10px;
}

.highlight-k {
    width: 42px;
    height: 42px;
    border-radius: 16px;
    display: grid;
    place-items: center;
    font-weight: 900;
    background: radial-gradient(circle at 35% 35%, rgba(56, 189, 248, .28), transparent 55%),
        radial-gradient(circle at 65% 65%, rgba(167, 139, 250, .22), transparent 58%),
        rgba(255, 255, 255, .06);
    border: 1px solid var(--border);
}

.highlight-title {
    font-weight: 900;
}

.highlight-desc {
    color: var(--muted);
    margin-top: 2px;
}

/* ---- Skills ---- */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 12px;
}

.skill-card {
    border-radius: 22px;
    padding: 16px;
    background: linear-gradient(180deg, var(--panel2), rgba(255, 255, 255, .03));
    border: 1px solid var(--border);
    box-shadow: var(--shadow2);
    position: relative;
    overflow: hidden;
}

.skill-card::before {
    content: "";
    position: absolute;
    inset: -2px;
    background: radial-gradient(360px 180px at 20% 15%, rgba(56, 189, 248, .16), transparent 60%),
        radial-gradient(360px 200px at 85% 70%, rgba(167, 139, 250, .14), transparent 65%);
    opacity: .55;
    pointer-events: none;
}

.skill-top {
    display: flex;
    align-items: center;
    gap: 10px;
}

.skill-icon {
    width: 42px;
    height: 42px;
    border-radius: 16px;
    display: grid;
    place-items: center;
    font-weight: 900;
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, .06);
    box-shadow: 0 0 18px rgba(56, 189, 248, .10);
}

.skill-title {
    margin: 0;
    font-weight: 900;
}

.skill-desc {
    margin: 10px 0 12px;
    color: var(--muted);
    line-height: 1.6;
}

.meter {
    height: 10px;
    border-radius: 99px;
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, .08);
    overflow: hidden;
}

.meter span {
    display: block;
    width: 0%;
    height: 100%;
    border-radius: 99px;
    background: linear-gradient(90deg, rgba(56, 189, 248, .75), rgba(167, 139, 250, .65));
    box-shadow: 0 0 22px rgba(56, 189, 248, .18);
}

/* ---- Projects ---- */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
}

.project-card {
    text-align: left;
    border-radius: 22px;
    padding: 0;
    border: 1px solid var(--border);
    background: linear-gradient(180deg, var(--panel2), rgba(255, 255, 255, .03));
    box-shadow: var(--shadow2);
    overflow: hidden;
    cursor: pointer;
    transition: transform .2s var(--ease), box-shadow .2s var(--ease), background .2s var(--ease);
}

.project-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow);
    background: linear-gradient(180deg, rgba(255, 255, 255, .08), rgba(255, 255, 255, .03));
}

.project-thumb {
    height: 150px;
    background:
        radial-gradient(120px 80px at 30% 35%, rgba(56, 189, 248, .35), transparent 60%),
        radial-gradient(140px 90px at 70% 65%, rgba(167, 139, 250, .32), transparent 62%),
        linear-gradient(135deg, rgba(255, 255, 255, .08), rgba(255, 255, 255, .02));
    border-bottom: 1px solid var(--border);
    position: relative;
}

.project-thumb.alt {
    background:
        radial-gradient(120px 80px at 25% 35%, rgba(167, 139, 250, .34), transparent 60%),
        radial-gradient(140px 90px at 75% 65%, rgba(56, 189, 248, .30), transparent 62%),
        linear-gradient(135deg, rgba(255, 255, 255, .08), rgba(255, 255, 255, .02));
}

.project-thumb.alt2 {
    background:
        radial-gradient(120px 80px at 25% 35%, rgba(34, 197, 94, .26), transparent 60%),
        radial-gradient(140px 90px at 75% 65%, rgba(56, 189, 248, .28), transparent 62%),
        linear-gradient(135deg, rgba(255, 255, 255, .08), rgba(255, 255, 255, .02));
}

.project-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    padding: 8px 10px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 900;
    letter-spacing: .3px;
    border: 1px solid var(--border);
    background: rgba(0, 0, 0, .25);
    color: rgba(255, 255, 255, .92);
}

body[data-theme="light"] .project-badge {
    background: rgba(255, 255, 255, .55);
    color: rgba(10, 12, 20, .92);
}

.project-body {
    padding: 14px 14px 16px;
}

.project-title {
    margin: 0;
    font-weight: 900;
    letter-spacing: .2px;
}

.project-desc {
    margin: 6px 0 10px;
    color: var(--muted);
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.project-tags span {
    padding: 6px 10px;
    border-radius: 999px;
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, .06);
    color: var(--muted);
    font-weight: 800;
    font-size: 12px;
}

/* ---- Contact ---- */
.contact-links {
    display: grid;
    gap: 10px;
    margin-top: 12px;
}

.contact-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 12px;
    border-radius: 16px;
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, .05);
    transition: transform .2s var(--ease), background .2s var(--ease);
}

.contact-link:hover {
    transform: translateY(-2px);
    background: rgba(255, 255, 255, .08);
}

.contact-ico {
    width: 34px;
    height: 34px;
    border-radius: 14px;
    display: grid;
    place-items: center;
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, .06);
}

.contact-form {
    display: grid;
    gap: 12px;
}

.form-row {
    display: grid;
    gap: 8px;
}

label {
    font-weight: 800;
    color: var(--muted);
    font-size: 13px;
}

input,
textarea {
    width: 100%;
    padding: 12px 12px;
    border-radius: 16px;
    border: 1px solid var(--border);
    outline: none;
    color: var(--text);
    background: rgba(255, 255, 255, .06);
    transition: border-color .2s var(--ease), background .2s var(--ease), box-shadow .2s var(--ease);
}

body[data-theme="light"] input,
body[data-theme="light"] textarea {
    background: rgba(10, 12, 20, .04);
}

input:focus,
textarea:focus {
    border-color: rgba(56, 189, 248, .40);
    box-shadow: 0 0 0 4px rgba(56, 189, 248, .12);
    background: rgba(255, 255, 255, .08);
}

.form-note {
    margin: 0;
    min-height: 18px;
    font-size: 13px;
}

/* ---- Footer ---- */
.site-footer {
    padding: 22px 0;
    border-top: 1px solid var(--border);
    background: rgba(0, 0, 0, .12);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

body[data-theme="light"] .site-footer {
    background: rgba(255, 255, 255, .55);
}

.footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    color: var(--muted);
}

.footer-left {
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.footer-link {
    padding: 10px 12px;
    border-radius: 999px;
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, .06);
    transition: transform .2s var(--ease), background .2s var(--ease);
}

.footer-link:hover {
    transform: translateY(-1px);
    background: rgba(255, 255, 255, .10);
}

/* ---- Modal ---- */
.modal {
    position: fixed;
    inset: 0;
    display: grid;
    place-items: center;
    z-index: 2000;
    opacity: 0;
    pointer-events: none;
    transition: opacity .22s var(--ease);
}

.modal.open {
    opacity: 1;
    pointer-events: auto;
}

.modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, .55);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.modal-panel {
    width: min(640px, calc(100% - 32px));
    border-radius: 22px;
    border: 1px solid var(--border);
    background: linear-gradient(180deg, var(--panel), rgba(255, 255, 255, .04));
    box-shadow: var(--shadow);
    position: relative;
    padding: 18px;
    transform: translateY(10px) scale(.98);
    transition: transform .22s var(--ease);
}

.modal.open .modal-panel {
    transform: translateY(0) scale(1);
}

.modal-close {
    position: absolute;
    top: 12px;
    right: 12px;
    width: 42px;
    height: 42px;
    border-radius: 14px;
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, .06);
    color: var(--text);
    cursor: pointer;
    transition: transform .2s var(--ease), background .2s var(--ease);
}

.modal-close:hover {
    transform: translateY(-1px);
    background: rgba(255, 255, 255, .10);
}

.modal-title {
    margin: 4px 0 8px;
    font-weight: 950;
    letter-spacing: .2px;
}

.modal-desc {
    margin: 0 0 12px;
    color: var(--muted);
    line-height: 1.7;
}

.modal-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 14px;
}

.modal-tags span {
    padding: 7px 10px;
    border-radius: 999px;
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, .06);
    color: var(--muted);
    font-weight: 900;
    font-size: 12px;
}

.modal-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

/* ---- Reveal animation ---- */
.reveal {
    opacity: 0;
    transform: translateY(14px);
    transition: opacity .7s var(--ease), transform .7s var(--ease);
}

.reveal.in {
    opacity: 1;
    transform: translateY(0);
}

/* ---- Tilt helper (JS will apply transform) ---- */
.tilt {
    transform-style: preserve-3d;
    will-change: transform;
}

/* ---- Responsive ---- */
@media (max-width: 980px) {
    .hero-grid {
        grid-template-columns: 1fr;
    }

    .hero {
        padding-top: 38px;
    }

    .skills-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .projects-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 720px) {
    .section {
        padding: 74px 0;
    }

    .header-actions .btn-text {
        display: none;
    }

    .header-actions {
        gap: 8px;
    }

    /* Mobile nav */
    .nav-toggle {
        display: inline-grid;
        place-items: center;
    }

    .nav-list {
        position: absolute;
        top: calc(var(--header-h) - 6px);
        right: 20px;
        width: min(300px, calc(100vw - 40px));
        display: grid;
        gap: 8px;
        padding: 12px;
        border-radius: 18px;
        border: 1px solid var(--border);
        background: linear-gradient(180deg, var(--panel), rgba(255, 255, 255, .04));
        box-shadow: var(--shadow);
        opacity: 0;
        pointer-events: none;
        transform: translateY(-6px) scale(.98);
        transition: opacity .2s var(--ease), transform .2s var(--ease);
    }

    .nav-list.open {
        opacity: 1;
        pointer-events: auto;
        transform: translateY(0) scale(1);
    }

    .nav-link {
        width: 100%;
        display: block;
    }

    .grid-2 {
        grid-template-columns: 1fr;
    }

    .hero-stats {
        grid-template-columns: 1fr;
    }

    .mini-cards {
        grid-template-columns: 1fr;
    }

    .projects-grid {
        grid-template-columns: 1fr;
    }
}

@media (prefers-reduced-motion: reduce) {
    * {
        animation: none !important;
        transition: none !important;
        scroll-behavior: auto !important;
    }
}