:root {
    --primary: #818cf8;
    --primary-strong: #6366f1;
    --accent: #f472b6;
    --accent-2: #38bdf8;
    --bg: #070b14;
    --bg-soft: #0c1220;
    --surface: rgba(255, 255, 255, 0.04);
    --surface-strong: rgba(255, 255, 255, 0.07);
    --border: rgba(255, 255, 255, 0.09);
    --text: #e7eaf3;
    --text-dim: #98a2b8;
    --gradient: linear-gradient(120deg, #818cf8 0%, #f472b6 50%, #38bdf8 100%);
    --gradient-soft: linear-gradient(135deg, #6366f1 0%, #ec4899 100%);
    --font-display: 'Sora', 'Inter', sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', 'SFMono-Regular', Consolas, monospace;
    --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    line-height: 1.65;
    color: var(--text);
    background-color: var(--bg);
    overflow-x: hidden;
}

::selection {
    background: rgba(129, 140, 248, 0.4);
    color: #fff;
}

/* ---------- Accessibility ---------- */
.skip-link {
    position: absolute;
    top: -48px;
    left: 16px;
    z-index: 10000;
    background: var(--primary-strong);
    color: #fff;
    padding: 0.6rem 1.2rem;
    border-radius: 0 0 10px 10px;
    text-decoration: none;
    font-weight: 600;
    transition: top 0.25s var(--ease-out);
}

.skip-link:focus {
    top: 0;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 3px;
}

/* ---------- Scroll progress ---------- */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    width: 100%;
    background: var(--gradient);
    transform-origin: 0 50%;
    transform: scaleX(0);
    z-index: 2000;
}

/* ---------- Loader ---------- */
.loader-wrapper {
    position: fixed;
    inset: 0;
    background: var(--bg);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.6s ease, visibility 0.6s ease;
}

.loader-wrapper.hidden {
    opacity: 0;
    visibility: hidden;
}

.loader-mark {
    position: relative;
    width: 96px;
    height: 96px;
    display: grid;
    place-items: center;
}

.loader-letter {
    font-family: var(--font-display);
    font-size: 2.6rem;
    font-weight: 800;
    background: var(--gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: loader-pulse 1.2s ease-in-out infinite;
}

.loader-ring {
    position: absolute;
    inset: 0;
    border-radius: 50%;
    border: 2px solid transparent;
    border-top-color: var(--primary);
    border-right-color: var(--accent);
    animation: spin 1s linear infinite;
}

.loader-ring--2 {
    inset: 12px;
    border-top-color: var(--accent-2);
    border-right-color: transparent;
    animation: spin 1.6s linear infinite reverse;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

@keyframes loader-pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.6; transform: scale(0.92); }
}

/* ---------- Aurora background ---------- */
.aurora {
    position: fixed;
    inset: 0;
    z-index: -2;
    overflow: hidden;
    pointer-events: none;
}

.aurora-blob {
    position: absolute;
    width: 55vmax;
    height: 55vmax;
    border-radius: 50%;
    filter: blur(90px);
    opacity: 0.16;
    mix-blend-mode: screen;
}

.aurora-blob--1 {
    background: #6366f1;
    top: -20vmax;
    left: -10vmax;
    animation: drift-1 26s ease-in-out infinite alternate;
}

.aurora-blob--2 {
    background: #ec4899;
    bottom: -25vmax;
    right: -12vmax;
    animation: drift-2 32s ease-in-out infinite alternate;
}

.aurora-blob--3 {
    background: #0ea5e9;
    top: 30%;
    left: 45%;
    width: 38vmax;
    height: 38vmax;
    animation: drift-3 38s ease-in-out infinite alternate;
}

@keyframes drift-1 {
    from { transform: translate(0, 0) scale(1); }
    to { transform: translate(14vmax, 10vmax) scale(1.15); }
}

@keyframes drift-2 {
    from { transform: translate(0, 0) scale(1.1); }
    to { transform: translate(-12vmax, -8vmax) scale(0.9); }
}

@keyframes drift-3 {
    from { transform: translate(0, 0) rotate(0deg); }
    to { transform: translate(-10vmax, 12vmax) rotate(40deg); }
}

.aurora-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
    background-size: 64px 64px;
    mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, black 40%, transparent 100%);
    -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, black 40%, transparent 100%);
}

/* ---------- Cursor glow ---------- */
.cursor-glow {
    position: fixed;
    width: 480px;
    height: 480px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(129, 140, 248, 0.08) 0%, transparent 65%);
    pointer-events: none;
    z-index: -1;
    transform: translate(-50%, -50%);
    opacity: 0;
    transition: opacity 0.4s ease;
}

body.has-pointer .cursor-glow {
    opacity: 1;
}

/* ---------- Layout ---------- */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ---------- Navigation ---------- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: background 0.35s ease, box-shadow 0.35s ease, border-color 0.35s ease;
    border-bottom: 1px solid transparent;
}

.navbar.scrolled {
    background: rgba(7, 11, 20, 0.75);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom-color: var(--border);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.1rem 24px;
}

.nav-brand a {
    font-family: var(--font-display);
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--text);
    text-decoration: none;
    letter-spacing: 0.01em;
}

.brand-mark {
    display: inline-block;
    background: var(--gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    font-size: 1.7rem;
    transform: translateY(2px);
}

.brand-dot {
    color: var(--accent);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2.2rem;
}

.nav-link {
    text-decoration: none;
    color: var(--text-dim);
    font-weight: 500;
    font-size: 0.95rem;
    position: relative;
    padding: 0.25rem 0;
    transition: color 0.3s ease;
}

.nav-index {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    color: var(--primary);
    margin-right: 0.45rem;
    opacity: 0.85;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--gradient);
    border-radius: 2px;
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.35s var(--ease-out);
}

.nav-link:hover,
.nav-link.active {
    color: var(--text);
}

.nav-link:hover::after,
.nav-link.active::after {
    transform: scaleX(1);
    transform-origin: left;
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: 0;
    cursor: pointer;
    padding: 6px;
}

.hamburger span {
    width: 26px;
    height: 2px;
    background: var(--text);
    border-radius: 2px;
    transition: transform 0.3s var(--ease-out), opacity 0.3s ease;
}

.hamburger.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* ---------- Hero ---------- */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding: 120px 0 80px;
    overflow: hidden;
}

.hero-canvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.hero-layout {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    align-items: center;
    gap: 3rem;
    width: 100%;
}

.hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-dim);
    border: 1px solid var(--border);
    background: var(--surface);
    padding: 0.45rem 1rem;
    border-radius: 999px;
    margin-bottom: 1.6rem;
    backdrop-filter: blur(8px);
}

.pulse-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #34d399;
    box-shadow: 0 0 0 0 rgba(52, 211, 153, 0.6);
    animation: pulse-ring 2s cubic-bezier(0.66, 0, 0, 1) infinite;
}

@keyframes pulse-ring {
    to { box-shadow: 0 0 0 12px rgba(52, 211, 153, 0); }
}

.hero-title {
    font-family: var(--font-display);
    font-weight: 800;
    line-height: 1.08;
    margin-bottom: 1.2rem;
}

.hero-line {
    display: block;
}

.hero-line:first-child {
    font-size: clamp(1.4rem, 3vw, 2rem);
    font-weight: 600;
    color: var(--text-dim);
    margin-bottom: 0.4rem;
}

.hero-name {
    font-size: clamp(2.8rem, 7vw, 5rem);
    background: var(--gradient);
    background-size: 220% 220%;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: gradient-shift 7s ease infinite;
}

@keyframes gradient-shift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.hero-type {
    font-family: var(--font-mono);
    font-size: clamp(1rem, 2.2vw, 1.3rem);
    color: var(--text);
    margin-bottom: 1.4rem;
    min-height: 1.8em;
}

.type-prefix {
    color: var(--text-dim);
}

.typewriter {
    color: var(--accent-2);
}

.type-caret {
    display: inline-block;
    width: 2px;
    height: 1.1em;
    background: var(--accent-2);
    margin-left: 3px;
    vertical-align: text-bottom;
    animation: caret-blink 1s steps(2) infinite;
}

@keyframes caret-blink {
    0%, 49% { opacity: 1; }
    50%, 100% { opacity: 0; }
}

.hero-description {
    font-size: 1.08rem;
    color: var(--text-dim);
    max-width: 540px;
    margin-bottom: 2.4rem;
}

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

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.95rem 2.1rem;
    border-radius: 999px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    font-family: var(--font-body);
    border: 0;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: transform 0.3s var(--ease-out), box-shadow 0.3s ease;
    will-change: transform;
}

.btn svg {
    width: 18px;
    height: 18px;
    transition: transform 0.3s var(--ease-out);
}

.btn:hover svg {
    transform: translateX(4px);
}

.btn-primary {
    background: var(--gradient-soft);
    color: #fff;
    box-shadow: 0 8px 28px rgba(99, 102, 241, 0.35);
}

.btn-primary::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(120deg, transparent 30%, rgba(255, 255, 255, 0.35) 50%, transparent 70%);
    transform: translateX(-100%);
    transition: transform 0.7s ease;
}

.btn-primary:hover::before {
    transform: translateX(100%);
}

.btn-primary:hover {
    box-shadow: 0 12px 36px rgba(99, 102, 241, 0.5);
}

.btn-ghost {
    background: var(--surface);
    color: var(--text);
    border: 1px solid var(--border);
    backdrop-filter: blur(8px);
}

.btn-ghost:hover {
    border-color: var(--primary);
    color: var(--primary);
    box-shadow: 0 8px 24px rgba(99, 102, 241, 0.18);
}

.btn-block {
    width: 100%;
    justify-content: center;
}

/* ---------- Hero portrait ---------- */
.hero-portrait {
    position: relative;
    display: grid;
    place-items: center;
    min-height: 380px;
}

.portrait-card {
    position: relative;
    width: 230px;
    height: 230px;
    border-radius: 32px;
    background: linear-gradient(145deg, rgba(99, 102, 241, 0.18), rgba(236, 72, 153, 0.12));
    border: 1px solid var(--border);
    backdrop-filter: blur(12px);
    display: grid;
    place-items: center;
    animation: float-slow 6s ease-in-out infinite;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.45);
    transition: box-shadow 0.6s ease, border-color 0.6s ease;
}

.portrait-frame {
    position: absolute;
    inset: 0;
    border-radius: inherit;
    overflow: hidden;
}

.portrait-photo {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: 50% 28%;
    transform: scale(1.01);
    filter: saturate(1) brightness(0.97);
    transition: transform 0.8s var(--ease-out), filter 0.8s ease;
    will-change: transform;
}

.portrait-frame::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(165deg, rgba(99, 102, 241, 0.32), rgba(236, 72, 153, 0.18) 55%, rgba(7, 11, 20, 0.25));
    opacity: 1;
    transition: opacity 0.8s ease;
    pointer-events: none;
}

.portrait-card:hover .portrait-photo {
    transform: scale(1.09) rotate(1.2deg);
    filter: saturate(1.15) brightness(1.05);
}

.portrait-card:hover .portrait-frame::after {
    opacity: 0.25;
}

.portrait-card:hover .portrait-ring {
    border-color: rgba(244, 114, 182, 0.55);
}

.portrait-card:hover {
    border-color: rgba(129, 140, 248, 0.55);
    box-shadow: 0 34px 80px rgba(99, 102, 241, 0.35);
}

.portrait-ring {
    position: absolute;
    inset: -14px;
    border-radius: 40px;
    border: 1px dashed rgba(129, 140, 248, 0.35);
    animation: spin 24s linear infinite;
    transition: border-color 0.6s ease;
}

@keyframes float-slow {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-16px); }
}

.orbit {
    position: absolute;
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 50%;
}

.orbit--1 {
    width: 340px;
    height: 340px;
    animation: spin 22s linear infinite;
}

.orbit--2 {
    width: 440px;
    height: 440px;
    animation: spin 36s linear infinite reverse;
}

.orbit-dot {
    position: absolute;
    top: -5px;
    left: 50%;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--primary);
    box-shadow: 0 0 16px var(--primary);
}

.orbit-dot--alt {
    background: var(--accent);
    box-shadow: 0 0 16px var(--accent);
}

.float-chip {
    position: absolute;
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text);
    background: rgba(12, 18, 32, 0.85);
    border: 1px solid var(--border);
    padding: 0.5rem 0.95rem;
    border-radius: 999px;
    backdrop-filter: blur(10px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4);
}

.float-chip--1 {
    top: 8%;
    left: 4%;
    animation: float-slow 5s ease-in-out infinite;
}

.float-chip--2 {
    bottom: 14%;
    left: 0;
    animation: float-slow 6.5s ease-in-out 0.8s infinite;
}

.float-chip--3 {
    top: 38%;
    right: -2%;
    animation: float-slow 5.6s ease-in-out 0.4s infinite;
}

/* ---------- Scroll hint ---------- */
.scroll-hint {
    position: absolute;
    bottom: 28px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-dim);
    text-decoration: none;
    z-index: 1;
}

.scroll-mouse {
    width: 24px;
    height: 38px;
    border: 2px solid var(--text-dim);
    border-radius: 14px;
    display: flex;
    justify-content: center;
    padding-top: 6px;
}

.scroll-wheel {
    width: 3px;
    height: 8px;
    border-radius: 3px;
    background: var(--primary);
    animation: wheel 1.8s ease-in-out infinite;
}

@keyframes wheel {
    0% { transform: translateY(0); opacity: 1; }
    70% { transform: translateY(12px); opacity: 0; }
    100% { transform: translateY(0); opacity: 0; }
}

.scroll-text {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    letter-spacing: 0.3em;
    text-transform: uppercase;
}

/* ---------- Sections ---------- */
section {
    padding: 110px 0;
    position: relative;
}

.section-kicker {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: var(--primary);
    text-align: center;
    margin-bottom: 0.8rem;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4.5vw, 2.9rem);
    font-weight: 800;
    text-align: center;
    margin-bottom: 3.2rem;
}

.grad-text {
    background: var(--gradient);
    background-size: 220% 220%;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: gradient-shift 7s ease infinite;
}

/* ---------- Reveal animations ----------
   Content is visible by default; it is only hidden once JS adds the
   `js` class, so a script failure can never blank the page. */
.reveal {
    transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
    transition-delay: var(--reveal-delay, 0s);
}

html.js .reveal:not(.in-view) {
    opacity: 0;
    transform: translateY(34px);
}

/* ---------- About ---------- */
.about {
    background: linear-gradient(180deg, transparent, rgba(99, 102, 241, 0.04) 50%, transparent);
}

.about-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: 3rem;
    align-items: start;
    max-width: 1000px;
    margin: 0 auto;
}

.about-text p {
    font-size: 1.08rem;
    line-height: 1.85;
    color: var(--text-dim);
    margin-bottom: 1.4rem;
}

.about-text strong {
    color: var(--text);
}

.inline-link {
    color: var(--accent-2);
    text-decoration: none;
    border-bottom: 1px solid rgba(56, 189, 248, 0.4);
    transition: border-color 0.3s ease, color 0.3s ease;
}

.inline-link:hover {
    color: #7dd3fc;
    border-bottom-color: #7dd3fc;
}

.about-stats {
    display: grid;
    gap: 1.2rem;
}

.stat-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 1.5rem 1.8rem;
    backdrop-filter: blur(8px);
    transition: transform 0.4s var(--ease-out), border-color 0.4s ease, box-shadow 0.4s ease;
}

.stat-card:hover {
    transform: translateY(-6px);
    border-color: rgba(129, 140, 248, 0.45);
    box-shadow: 0 18px 40px rgba(99, 102, 241, 0.15);
}

.stat-number {
    font-family: var(--font-display);
    font-size: 2.4rem;
    font-weight: 800;
    background: var(--gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.stat-suffix {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent);
    margin-left: 2px;
}

.stat-label {
    display: block;
    color: var(--text-dim);
    font-size: 0.92rem;
    margin-top: 0.3rem;
}

/* ---------- Skills ---------- */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(255px, 1fr));
    gap: 1.6rem;
}

.skill-card {
    position: relative;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 24px;
    padding: 2.2rem 1.9rem;
    backdrop-filter: blur(8px);
    overflow: hidden;
    transition: border-color 0.4s ease, box-shadow 0.4s ease;
    transform-style: preserve-3d;
    will-change: transform;
}

.skill-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(420px circle at var(--mx, 50%) var(--my, 50%), rgba(129, 140, 248, 0.14), transparent 60%);
    opacity: 0;
    transition: opacity 0.4s ease;
    pointer-events: none;
}

.skill-card:hover::before {
    opacity: 1;
}

.skill-card:hover {
    border-color: rgba(129, 140, 248, 0.5);
    box-shadow: 0 24px 50px rgba(0, 0, 0, 0.45), 0 0 0 1px rgba(129, 140, 248, 0.15);
}

.skill-icon {
    width: 58px;
    height: 58px;
    border-radius: 16px;
    background: linear-gradient(145deg, rgba(99, 102, 241, 0.22), rgba(236, 72, 153, 0.16));
    border: 1px solid var(--border);
    display: grid;
    place-items: center;
    color: var(--primary);
    margin-bottom: 1.4rem;
    transition: transform 0.4s var(--ease-out);
}

.skill-card:hover .skill-icon {
    transform: scale(1.1) rotate(-6deg);
    color: var(--accent);
}

.skill-icon svg {
    width: 28px;
    height: 28px;
}

.skill-card h3 {
    font-family: var(--font-display);
    font-size: 1.18rem;
    font-weight: 700;
    margin-bottom: 0.6rem;
}

.skill-card p {
    color: var(--text-dim);
    font-size: 0.95rem;
}

.skill-num {
    position: absolute;
    top: 1.2rem;
    right: 1.4rem;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.18);
}

/* ---------- Contact ---------- */
.contact-intro {
    font-size: 1.08rem;
    color: var(--text-dim);
    margin: -1.6rem auto 3rem;
    max-width: 560px;
    text-align: center;
    line-height: 1.8;
}

.contact-layout {
    display: grid;
    grid-template-columns: 1.3fr 0.7fr;
    gap: 3rem;
    align-items: start;
    max-width: 1000px;
    margin: 0 auto;
}

.contact-form {
    background: var(--surface);
    border: 1px solid var(--border);
    padding: 2.5rem;
    border-radius: 26px;
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
}

.contact-form::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient);
    background-size: 220% 220%;
    animation: gradient-shift 7s ease infinite;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.3rem;
}

.form-group {
    margin-bottom: 1.3rem;
    position: relative;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1.15rem 1.3rem;
    border: 1px solid var(--border);
    border-radius: 14px;
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--text);
    background: rgba(7, 11, 20, 0.6);
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-group label {
    position: absolute;
    left: 1.3rem;
    top: 1.15rem;
    color: var(--text-dim);
    font-size: 1rem;
    pointer-events: none;
    transition: all 0.25s var(--ease-out);
    background: transparent;
    padding: 0 0.3rem;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.15);
}

.form-group input:focus + label,
.form-group input:not(:placeholder-shown) + label,
.form-group textarea:focus + label,
.form-group textarea:not(:placeholder-shown) + label {
    top: -0.55rem;
    left: 1rem;
    font-size: 0.75rem;
    color: var(--primary);
    background: var(--bg-soft);
    border-radius: 4px;
}

.form-group textarea {
    resize: vertical;
    min-height: 140px;
}

.form-status {
    margin-top: 1rem;
    text-align: center;
    font-weight: 500;
    font-size: 0.95rem;
    min-height: 1.4em;
}

/* ---------- Social ---------- */
.social-links {
    text-align: center;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 26px;
    padding: 2.5rem 1.8rem;
    backdrop-filter: blur(10px);
}

.social-links h3 {
    font-family: var(--font-display);
    font-size: 1.2rem;
    margin-bottom: 1.6rem;
}

.social-icons {
    display: flex;
    justify-content: center;
    gap: 0.9rem;
    flex-wrap: wrap;
}

.social-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 14px;
    background: rgba(7, 11, 20, 0.6);
    border: 1px solid var(--border);
    color: var(--text-dim);
    transition: transform 0.35s var(--ease-out), color 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
    text-decoration: none;
}

.social-icon svg {
    width: 21px;
    height: 21px;
}

.social-icon:hover {
    transform: translateY(-6px) scale(1.06);
    color: #fff;
    border-color: var(--primary);
    box-shadow: 0 14px 28px rgba(99, 102, 241, 0.3);
}

.social-note {
    margin-top: 1.8rem;
    color: var(--text-dim);
    font-size: 0.88rem;
    line-height: 1.7;
}

/* ---------- Footer ---------- */
.footer {
    border-top: 1px solid var(--border);
    padding: 2.2rem 0;
    background: rgba(7, 11, 20, 0.6);
}

.footer-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.8rem;
}

.footer p {
    color: var(--text-dim);
    font-size: 0.92rem;
}

.heart {
    color: var(--accent);
    display: inline-block;
    animation: heartbeat 1.6s ease-in-out infinite;
}

@keyframes heartbeat {
    0%, 100% { transform: scale(1); }
    25% { transform: scale(1.25); }
    40% { transform: scale(1); }
}

.footer-link a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
}

.footer-link a:hover {
    text-decoration: underline;
}

/* ---------- Back to top ---------- */
.back-to-top {
    position: fixed;
    bottom: 28px;
    right: 28px;
    width: 50px;
    height: 50px;
    background: var(--gradient-soft);
    color: white;
    border: none;
    border-radius: 16px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 10px 28px rgba(99, 102, 241, 0.4);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: opacity 0.35s ease, visibility 0.35s ease, transform 0.35s var(--ease-out), box-shadow 0.3s ease;
    z-index: 999;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 14px 34px rgba(99, 102, 241, 0.55);
}

.back-to-top svg {
    width: 22px;
    height: 22px;
}

/* ---------- Utilities ---------- */
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ---------- Name glitch (hover) ---------- */
.hero-name {
    position: relative;
}

.hero-name::before,
.hero-name::after {
    content: attr(data-text);
    position: absolute;
    inset: 0;
    background: var(--gradient);
    background-size: 220% 220%;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    opacity: 0;
    pointer-events: none;
}

@media (hover: hover) {
    .hero-name:hover::before {
        opacity: 0.75;
        clip-path: inset(0 0 58% 0);
        filter: hue-rotate(90deg);
        animation: glitch-a 0.6s steps(2) infinite;
    }

    .hero-name:hover::after {
        opacity: 0.75;
        clip-path: inset(46% 0 0 0);
        filter: hue-rotate(-70deg);
        animation: glitch-b 0.5s steps(2) infinite reverse;
    }
}

@keyframes glitch-a {
    0% { transform: translate(-3px, -2px); }
    50% { transform: translate(3px, 1px); }
    100% { transform: translate(-2px, 2px); }
}

@keyframes glitch-b {
    0% { transform: translate(3px, 2px); }
    50% { transform: translate(-3px, -1px); }
    100% { transform: translate(2px, -2px); }
}

/* ---------- AI skill card ---------- */
.skill-card--ai {
    grid-column: 1 / -1;
    display: flex;
    align-items: center;
    gap: 1.8rem;
    border: 1px solid transparent;
    background:
        linear-gradient(var(--bg-soft), var(--bg-soft)) padding-box,
        var(--gradient) border-box;
    background-size: auto, 250% 250%;
    animation: gradient-shift 8s ease infinite;
}

.skill-card--ai .skill-icon {
    flex-shrink: 0;
    margin-bottom: 0;
}

.skill-card--ai-text h3 {
    margin-bottom: 0.4rem;
}

.ai-spark {
    display: inline-block;
    color: var(--accent);
    animation: spark-twinkle 1.8s ease-in-out infinite;
}

@keyframes spark-twinkle {
    0%, 100% { opacity: 1; transform: scale(1) rotate(0deg); }
    50% { opacity: 0.45; transform: scale(1.35) rotate(20deg); }
}

/* ---------- Terminal ---------- */
.terminal {
    max-width: 1000px;
    margin: 3.5rem auto 0;
    background: rgba(5, 8, 15, 0.92);
    border: 1px solid var(--border);
    border-radius: 18px;
    overflow: hidden;
    font-family: var(--font-mono);
    font-size: 0.88rem;
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.5);
}

.terminal-bar {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.8rem 1.1rem;
    background: rgba(255, 255, 255, 0.04);
    border-bottom: 1px solid var(--border);
}

.t-dot {
    width: 11px;
    height: 11px;
    border-radius: 50%;
}

.t-dot--red { background: #ff5f57; }
.t-dot--yellow { background: #febc2e; }
.t-dot--green { background: #28c840; }

.terminal-title {
    margin-left: 0.8rem;
    color: var(--text-dim);
    font-size: 0.78rem;
}

.terminal-badge {
    margin-left: auto;
    font-size: 0.68rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--accent-2);
    border: 1px solid rgba(56, 189, 248, 0.35);
    border-radius: 999px;
    padding: 0.15rem 0.7rem;
    animation: badge-glow 2.4s ease-in-out infinite;
}

@keyframes badge-glow {
    0%, 100% { box-shadow: 0 0 0 rgba(56, 189, 248, 0); }
    50% { box-shadow: 0 0 14px rgba(56, 189, 248, 0.45); }
}

.terminal-body {
    padding: 1.1rem 1.3rem 0.4rem;
    min-height: 150px;
    max-height: 300px;
    overflow-y: auto;
    line-height: 1.75;
}

.terminal-body .t-line { color: var(--text-dim); white-space: pre-wrap; word-break: break-word; }
.terminal-body .t-line--cmd { color: var(--text); }
.terminal-body .t-line--cmd::before { content: '➜ ~ '; color: #34d399; }
.terminal-body .t-line--ok { color: #34d399; }
.terminal-body .t-line--ai { color: var(--accent-2); }
.terminal-body .t-line a { color: var(--accent-2); }

.terminal-input-row {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.6rem 1.3rem 1rem;
}

.terminal-prompt {
    color: #34d399;
}

.terminal-input-row input {
    flex: 1;
    background: transparent;
    border: 0;
    outline: none;
    color: var(--text);
    font-family: var(--font-mono);
    font-size: 0.88rem;
    caret-color: var(--accent-2);
}

.terminal-input-row input::placeholder {
    color: rgba(152, 162, 184, 0.5);
}

/* ---------- Command palette ---------- */
.cmdk-hint {
    display: inline-flex;
    align-items: center;
    gap: 3px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 0.4rem 0.6rem;
    cursor: pointer;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.cmdk-hint:hover {
    border-color: var(--primary);
    box-shadow: 0 6px 18px rgba(99, 102, 241, 0.25);
}

.cmdk-hint kbd,
.cmdk-search kbd {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--text-dim);
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid var(--border);
    border-radius: 5px;
    padding: 0.1rem 0.4rem;
}

.cmdk {
    position: fixed;
    inset: 0;
    z-index: 3000;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding: 14vh 20px 20px;
}

.cmdk[hidden] {
    display: none;
}

.cmdk-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(4, 6, 12, 0.7);
    backdrop-filter: blur(6px);
}

.cmdk-panel {
    position: relative;
    width: 100%;
    max-width: 560px;
    background: rgba(12, 18, 32, 0.97);
    border: 1px solid rgba(129, 140, 248, 0.3);
    border-radius: 18px;
    overflow: hidden;
    box-shadow: 0 40px 100px rgba(0, 0, 0, 0.6), 0 0 0 1px rgba(129, 140, 248, 0.08);
    animation: cmdk-pop 0.22s var(--ease-out);
}

@keyframes cmdk-pop {
    from { opacity: 0; transform: translateY(-12px) scale(0.97); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

.cmdk-search {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    padding: 1rem 1.2rem;
    border-bottom: 1px solid var(--border);
}

.cmdk-search svg {
    width: 18px;
    height: 18px;
    color: var(--text-dim);
    flex-shrink: 0;
}

.cmdk-search input {
    flex: 1;
    background: transparent;
    border: 0;
    outline: none;
    color: var(--text);
    font-family: var(--font-body);
    font-size: 1rem;
}

.cmdk-list {
    list-style: none;
    max-height: 320px;
    overflow-y: auto;
    padding: 0.5rem;
}

.cmdk-item {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    padding: 0.75rem 0.9rem;
    border-radius: 12px;
    color: var(--text-dim);
    cursor: pointer;
    font-size: 0.95rem;
}

.cmdk-item .cmdk-tag {
    margin-left: auto;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--primary);
    opacity: 0.8;
}

.cmdk-item.active {
    background: rgba(99, 102, 241, 0.16);
    color: var(--text);
}

.cmdk-empty {
    padding: 1.2rem;
    text-align: center;
    color: var(--text-dim);
    font-size: 0.9rem;
}

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
    .hero-layout {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-content {
        display: flex;
        flex-direction: column;
        align-items: center;
    }

    .hero-description {
        margin-left: auto;
        margin-right: auto;
    }

    .hero-portrait {
        min-height: 320px;
        margin-top: 1rem;
    }

    .orbit--2 {
        display: none;
    }

    .about-grid,
    .contact-layout {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        left: 0;
        right: 0;
        top: 64px;
        flex-direction: column;
        align-items: center;
        background: rgba(7, 11, 20, 0.97);
        backdrop-filter: blur(18px);
        gap: 0;
        padding: 1rem 0 1.6rem;
        border-bottom: 1px solid var(--border);
        transform: translateY(-130%);
        transition: transform 0.4s var(--ease-out);
        z-index: -1;
    }

    .nav-menu.active {
        transform: translateY(0);
    }

    .nav-menu li {
        width: 100%;
        text-align: center;
    }

    .nav-menu .nav-link {
        display: block;
        padding: 0.9rem 0;
    }

    .nav-menu .nav-link::after {
        display: none;
    }

    .form-row {
        grid-template-columns: 1fr;
        gap: 0;
    }

    .cmdk-hint {
        display: none;
    }

    .skill-card--ai {
        flex-direction: column;
        align-items: flex-start;
        gap: 1.2rem;
    }

    section {
        padding: 80px 0;
    }

    .scroll-hint {
        display: none;
    }

    .float-chip--2 {
        display: none;
    }
}

@media (max-width: 480px) {
    .hero-cta {
        flex-direction: column;
        width: 100%;
        align-items: stretch;
    }

    .btn {
        justify-content: center;
    }

    .contact-form {
        padding: 1.8rem 1.4rem;
    }

    .orbit--1 {
        width: 280px;
        height: 280px;
    }

    .footer-inner {
        justify-content: center;
        text-align: center;
    }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }

    .reveal {
        opacity: 1;
        transform: none;
    }

    .hero-canvas,
    .cursor-glow {
        display: none;
    }
}