/* Emran Hossain Portfolio */

:root {
    --font-display: "Syne", ui-sans-serif, system-ui, sans-serif;
    --font-sans: "Outfit", ui-sans-serif, system-ui, sans-serif;
    --font-mono: "JetBrains Mono", ui-monospace, monospace;
    --ink: #05070f;
    --ink-soft: #0b1220;
    --panel: #0f1729;
    --line: rgba(77, 166, 255, 0.18);
    --glow: #4da6ff;
    --glow-deep: #1a7fff;
    --amber: #f0a35a;
    --mist: #9fb3d1;
    --snow: #f4f7fc;
}

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

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background: var(--ink);
    color: var(--snow);
    font-family: var(--font-sans);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

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

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

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

::selection {
    background: rgba(77, 166, 255, 0.4);
    color: #fff;
}

.bg-glow {
    pointer-events: none;
    position: fixed;
    inset: 0;
    z-index: -2;
    background:
        radial-gradient(ellipse 80% 55% at 15% 20%, rgba(26, 127, 255, 0.22), transparent 55%),
        radial-gradient(ellipse 60% 45% at 85% 10%, rgba(240, 163, 90, 0.08), transparent 50%),
        radial-gradient(ellipse 70% 60% at 70% 90%, rgba(26, 127, 255, 0.12), transparent 55%);
}

.bg-grid {
    pointer-events: none;
    position: fixed;
    inset: 0;
    z-index: -1;
    opacity: 0.4;
    background-image:
        linear-gradient(rgba(77, 166, 255, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(77, 166, 255, 0.05) 1px, transparent 1px);
    background-size: 56px 56px;
}

.container {
    width: min(1120px, calc(100% - 2.5rem));
    margin-inline: auto;
}

/* Header */
.site-header {
    position: fixed;
    inset: 0 0 auto;
    z-index: 50;
    border-bottom: 1px solid transparent;
    transition: background 0.3s ease, border-color 0.3s ease, backdrop-filter 0.3s ease;
}

.site-header.is-scrolled {
    border-color: var(--line);
    background: color-mix(in oklab, var(--ink) 88%, transparent);
    backdrop-filter: blur(16px);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0;
}

.logo {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem 1.15rem;
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 1.05rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    isolation: isolate;
}

.logo-frame {
    position: absolute;
    inset: 0;
    border-radius: 999px;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

.logo-frame::before {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: inherit;
    border: 1px solid rgba(77, 166, 255, 0.35);
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.06);
}

.logo-frame-line {
    position: absolute;
    inset: -40%;
    background: conic-gradient(
        from 0deg,
        transparent 0deg,
        transparent 250deg,
        #1a7fff 290deg,
        #ffffff 320deg,
        #4da6ff 350deg,
        transparent 360deg
    );
    animation: logo-line-spin 2.8s linear infinite;
}

.logo-frame-line::after {
    content: "";
    position: absolute;
    inset: 42%;
    border-radius: 999px;
    background: var(--ink-soft);
}

.logo-text {
    position: relative;
    z-index: 1;
    background: linear-gradient(
        90deg,
        #1a7fff 0%,
        #4da6ff 28%,
        #ffffff 50%,
        #4da6ff 72%,
        #1a7fff 100%
    );
    background-size: 200% 100%;
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    animation: logo-blue-flow 3.2s ease-in-out infinite;
    filter: drop-shadow(0 0 8px rgba(77, 166, 255, 0.4));
}

.logo:hover .logo-text {
    animation-duration: 1.5s;
}

.logo:hover .logo-frame-line {
    animation-duration: 1.4s;
}

@keyframes logo-blue-flow {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

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

.nav-desktop {
    display: none;
    align-items: center;
    gap: 2rem;
}

.nav-desktop a {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--mist);
    transition: color 0.2s ease;
}

.nav-desktop a:hover {
    color: var(--snow);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    border-radius: 0.375rem;
    padding: 0.7rem 1.25rem;
    font: inherit;
    font-size: 0.875rem;
    font-weight: 600;
    border: 1px solid transparent;
    transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
    cursor: pointer;
}

button.btn {
    appearance: none;
}

.btn-primary {
    background: var(--glow-deep);
    color: #fff;
    box-shadow: 0 0 28px rgba(26, 127, 255, 0.35);
}

.btn-primary:hover {
    background: var(--glow);
}

.btn-ghost {
    border-color: var(--line);
    color: var(--snow);
    background: color-mix(in oklab, var(--ink) 55%, transparent);
    backdrop-filter: blur(6px);
}

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

.nav-toggle {
    display: inline-flex;
    width: 2.5rem;
    height: 2.5rem;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--line);
    border-radius: 0.375rem;
    background: transparent;
    color: var(--snow);
}

.mobile-nav {
    display: none;
    border-top: 1px solid var(--line);
    background: var(--ink);
    padding: 1rem 1.25rem 1.25rem;
}

.mobile-nav.is-open {
    display: block;
}

.mobile-nav .nav-links {
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
}

.mobile-nav a {
    font-size: 0.875rem;
    color: var(--mist);
}

.mobile-nav .btn {
    margin-top: 0.5rem;
    width: 100%;
}

/* Hero */
.hero {
    position: relative;
    min-height: 100svh;
    overflow: hidden;
}

.hero-image {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: 72% center;
    transform: scale(1.04);
    animation: hero-ken 22s ease-in-out infinite alternate;
}

.hero-shade {
    position: absolute;
    inset: 0;
    background:
        linear-gradient(105deg, var(--ink) 0%, color-mix(in oklab, var(--ink) 78%, transparent) 38%, color-mix(in oklab, var(--ink) 25%, transparent) 62%, transparent 82%),
        linear-gradient(180deg, color-mix(in oklab, var(--ink) 55%, transparent) 0%, transparent 32%, color-mix(in oklab, var(--ink) 70%, transparent) 78%, var(--ink) 100%),
        radial-gradient(ellipse 50% 40% at 20% 70%, rgba(26, 127, 255, 0.18), transparent 70%);
}

.hero-atmosphere {
    pointer-events: none;
    position: absolute;
    inset: 0;
    z-index: 1;
}

.hero-rings {
    position: absolute;
    left: -8%;
    bottom: 8%;
    width: min(560px, 70vw);
    aspect-ratio: 1;
    opacity: 0.55;
}

.ring {
    position: absolute;
    inset: 0;
    border-radius: 50%;
    border: 1px solid rgba(77, 166, 255, 0.18);
}

.ring-a {
    animation: ring-pulse 8s ease-in-out infinite;
}

.ring-b {
    inset: 12%;
    border-color: rgba(77, 166, 255, 0.12);
    animation: ring-pulse 8s ease-in-out 1.2s infinite;
}

.ring-c {
    inset: 24%;
    border-style: dashed;
    border-color: rgba(240, 163, 90, 0.16);
    animation: ring-spin 28s linear infinite;
}

.hero-icons {
    position: absolute;
    inset: 0;
}

.tech-icon {
    position: absolute;
    display: grid;
    place-items: center;
    width: 3rem;
    height: 3rem;
    border-radius: 0.85rem;
    color: #cfe6ff;
    background:
        linear-gradient(145deg, rgba(20, 36, 68, 0.88), rgba(10, 16, 32, 0.72));
    border: 1px solid rgba(77, 166, 255, 0.28);
    box-shadow:
        0 10px 30px rgba(0, 0, 0, 0.35),
        inset 0 1px 0 rgba(255, 255, 255, 0.06),
        0 0 24px rgba(26, 127, 255, 0.12);
    backdrop-filter: blur(10px);
    animation: float-orbit 6.5s ease-in-out var(--d, 0s) infinite;
}

.tech-icon svg {
    width: 1.25rem;
    height: 1.25rem;
}

.tech-icon--code { top: 18%; right: 18%; }
.tech-icon--terminal { top: 32%; right: 8%; animation-duration: 7.2s; }
.tech-icon--mobile { top: 48%; right: 22%; animation-duration: 5.8s; color: #9fd0ff; }
.tech-icon--db { top: 62%; right: 10%; animation-duration: 6.8s; }
.tech-icon--cloud { top: 24%; right: 32%; width: 2.6rem; height: 2.6rem; animation-duration: 7.6s; }
.tech-icon--api { top: 72%; right: 28%; animation-duration: 6.2s; color: var(--amber); }

.hero-code-rail {
    position: absolute;
    right: 4%;
    bottom: 12%;
    width: min(320px, 42vw);
    opacity: 0;
    transform: translateY(16px);
    animation: fade-up-in 1s ease 0.6s forwards;
}

.code-window {
    border-radius: 0.85rem;
    overflow: hidden;
    background: color-mix(in oklab, var(--ink-soft) 82%, transparent);
    border: 1px solid rgba(77, 166, 255, 0.22);
    box-shadow:
        0 24px 60px rgba(0, 0, 0, 0.45),
        0 0 0 1px rgba(255, 255, 255, 0.03) inset;
    backdrop-filter: blur(14px);
}

.code-window-bar {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.55rem 0.75rem;
    border-bottom: 1px solid rgba(77, 166, 255, 0.12);
    background: rgba(8, 14, 28, 0.65);
}

.code-window-bar span {
    width: 0.45rem;
    height: 0.45rem;
    border-radius: 50%;
    background: #3d4d6b;
}

.code-window-bar span:nth-child(1) { background: #ff6b7a; }
.code-window-bar span:nth-child(2) { background: #f0a35a; }
.code-window-bar span:nth-child(3) { background: #3dd68c; }

.code-window-bar em {
    margin-left: 0.55rem;
    font-family: var(--font-mono);
    font-style: normal;
    font-size: 0.62rem;
    letter-spacing: 0.04em;
    color: var(--mist);
}

.code-window pre {
    margin: 0;
    padding: 0.9rem 1rem 1.05rem;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    line-height: 1.65;
    color: #d7e6f8;
    overflow: hidden;
}

.code-window .c-kw { color: #7eb6ff; }
.code-window .c-fn { color: #9fd0ff; }
.code-window .c-str { color: #f0a35a; }

.hero-content {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    min-height: 100svh;
    padding: 7rem 0 7.5rem;
}

.hero-copy {
    max-width: 38rem;
    position: relative;
    padding-left: 1rem;
}

.hero-copy::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.35rem;
    bottom: 0.35rem;
    width: 2px;
    border-radius: 999px;
    background: linear-gradient(180deg, transparent, var(--glow), var(--amber), transparent);
    opacity: 0.85;
    animation: pulse-line 4s ease-in-out infinite;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.65rem;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--glow);
}

.hero-role {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    margin: 0;
    font-family: var(--font-display);
    font-size: clamp(1.15rem, 2.8vw, 1.65rem);
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--glow);
    text-shadow: 0 0 24px rgba(77, 166, 255, 0.35);
}

.eyebrow-pulse {
    width: 0.5rem;
    height: 0.5rem;
    border-radius: 50%;
    background: var(--glow);
    box-shadow: 0 0 0 0 rgba(77, 166, 255, 0.55);
    animation: status-ping 2.2s ease-out infinite;
    flex-shrink: 0;
}

.hero h1 {
    margin: 1rem 0 0;
    font-family: var(--font-display);
    font-size: clamp(3.1rem, 9.5vw, 5rem);
    font-weight: 800;
    line-height: 0.92;
    letter-spacing: -0.035em;
    text-wrap: balance;
}

.hero h1 .grad {
    background: linear-gradient(105deg, #e8f3ff 0%, #9fd0ff 35%, var(--glow) 65%, #1a7fff 100%);
    background-size: 200% auto;
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    animation: grad-shift 8s ease-in-out infinite;
    filter: drop-shadow(0 0 28px rgba(77, 166, 255, 0.28));
}

.hero-lead {
    margin: 1.35rem 0 0;
    max-width: 30rem;
    color: color-mix(in oklab, var(--mist) 92%, #fff);
    font-size: 1.08rem;
    line-height: 1.7;
    text-wrap: pretty;
}

.hero-seo-line {
    margin: 0.55rem 0 0;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: color-mix(in oklab, var(--glow) 75%, var(--mist));
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.85rem;
    margin-top: 2.15rem;
}

.hero-actions .btn-primary {
    position: relative;
    overflow: hidden;
}

.hero-actions .btn-primary::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(110deg, transparent 20%, rgba(255, 255, 255, 0.22) 45%, transparent 70%);
    transform: translateX(-120%);
    animation: btn-sheen 4.5s ease-in-out 1.2s infinite;
}

.hero-values {
    display: flex;
    flex-wrap: wrap;
    gap: 0.65rem;
    margin-top: 2.35rem;
    font-family: var(--font-mono);
    font-size: 0.68rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--mist);
}

.hero-values span {
    display: inline-flex;
    align-items: center;
    padding: 0.45rem 0.75rem;
    border-radius: 999px;
    border: 1px solid rgba(77, 166, 255, 0.16);
    background: rgba(8, 14, 28, 0.45);
    backdrop-filter: blur(8px);
}

.value-dot {
    display: inline-block;
    width: 0.4rem;
    height: 0.4rem;
    margin-right: 0.5rem;
    border-radius: 999px;
    background: var(--glow);
    animation: pulse-line 3s ease-in-out infinite;
    vertical-align: middle;
}

.value-dot.amber {
    background: var(--amber);
}

/* Sections */
.section {
    position: relative;
    border-top: 1px solid var(--line);
    padding: 5rem 0;
}

.section-title {
    margin: 0.75rem 0 0;
    font-family: var(--font-display);
    font-size: clamp(1.75rem, 4vw, 2.35rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.15;
}

.section-heading {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.section-heading .section-title {
    margin-top: 0.35rem;
}

.section-icon {
    flex-shrink: 0;
    display: inline-flex;
    width: 2.75rem;
    height: 2.75rem;
    align-items: center;
    justify-content: center;
    border: 1px solid color-mix(in oklab, var(--glow) 35%, var(--line));
    border-radius: 0.85rem;
    background:
        radial-gradient(circle at 30% 25%, rgba(77, 166, 255, 0.28), transparent 60%),
        color-mix(in oklab, var(--panel) 80%, transparent);
    color: var(--glow);
    box-shadow: 0 0 0 0 rgba(77, 166, 255, 0.2);
    animation: icon-breathe 3.6s ease-in-out infinite;
}

.section-icon svg {
    width: 1.25rem;
    height: 1.25rem;
}

.section-icon--software {
    position: relative;
    width: 3.25rem;
    height: 3.25rem;
    overflow: visible;
}

.section-icon--software .soft-icon-main {
    width: 1.45rem;
    height: 1.45rem;
    animation: soft-icon-pulse 2.8s ease-in-out infinite;
}

.soft-orbit {
    position: absolute;
    font-family: var(--font-mono);
    font-size: 0.55rem;
    font-weight: 600;
    color: var(--amber);
    opacity: 0.85;
    pointer-events: none;
    animation: soft-orbit-float 3.2s ease-in-out infinite;
}

.soft-orbit-a {
    top: -0.35rem;
    right: -0.55rem;
    animation-delay: 0s;
}

.soft-orbit-b {
    bottom: -0.3rem;
    left: -0.65rem;
    color: var(--glow);
    animation-delay: 0.6s;
}

.soft-orbit-c {
    top: 50%;
    right: -0.85rem;
    color: var(--mist);
    animation-delay: 1.2s;
}

.mini-icon {
    display: inline-flex;
    width: 1.65rem;
    height: 1.65rem;
    align-items: center;
    justify-content: center;
    border-radius: 0.45rem;
    border: 1px solid var(--line);
    color: var(--amber);
    background: color-mix(in oklab, var(--panel) 70%, transparent);
    transition: transform 0.35s ease, border-color 0.25s ease, color 0.25s ease, box-shadow 0.25s ease;
}

.mini-icon svg {
    width: 0.9rem;
    height: 0.9rem;
}

.mini-icon--inline {
    width: 1.1rem;
    height: 1.1rem;
    margin-right: 0.35rem;
    vertical-align: -0.15rem;
    border-radius: 999px;
}

.skill-group-head {
    display: flex;
    align-items: center;
    gap: 0.65rem;
}

.skill-group:hover .mini-icon,
.courses:hover .mini-icon,
.contact-details a:hover .mini-icon {
    transform: translateY(-2px) rotate(-6deg);
    border-color: var(--glow);
    color: var(--glow);
    box-shadow: 0 8px 18px rgba(77, 166, 255, 0.18);
}

.about-grid {
    display: grid;
    gap: 3rem;
}

.about-text {
    color: var(--mist);
    font-size: 1.05rem;
    line-height: 1.7;
}

.about-text p {
    margin: 0 0 1.1rem;
}

.about-text strong {
    color: var(--snow);
    font-weight: 500;
}

.about-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem 2rem;
    margin-top: 0.5rem;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    letter-spacing: 0.04em;
    color: var(--glow);
}

.about-meta a:hover {
    color: var(--snow);
}

.hero-seo-line {
    margin: 0.65rem 0 0;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: color-mix(in oklab, var(--glow) 75%, var(--mist));
}

/* Services */
.services-intro,
.section--faq .lead {
    margin: 1rem 0 0;
    color: var(--mist);
    line-height: 1.65;
    max-width: 38rem;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.75rem 2rem;
    margin-top: 2.75rem;
}

.service-item h3 {
    margin: 0;
    font-family: var(--font-display);
    font-size: 1.15rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.service-item p {
    margin: 0.7rem 0 0;
    color: var(--mist);
    line-height: 1.6;
    font-size: 0.98rem;
}

.service-tags {
    display: inline-block;
    margin-top: 0.85rem;
    font-family: var(--font-mono);
    font-size: 0.68rem;
    letter-spacing: 0.06em;
    color: color-mix(in oklab, var(--glow) 70%, var(--mist));
}

/* FAQ */
.faq-list {
    margin-top: 2.5rem;
    display: grid;
    gap: 0.85rem;
    max-width: 52rem;
}

.faq-item {
    border-bottom: 1px solid var(--line);
    padding: 0.35rem 0 0.85rem;
}

.faq-item summary {
    cursor: pointer;
    list-style: none;
    font-family: var(--font-display);
    font-size: 1.05rem;
    font-weight: 650;
    letter-spacing: -0.01em;
    padding: 0.55rem 1.75rem 0.55rem 0;
    position: relative;
}

.faq-item summary::-webkit-details-marker {
    display: none;
}

.faq-item summary::after {
    content: "+";
    position: absolute;
    right: 0;
    top: 0.55rem;
    color: var(--glow);
    font-family: var(--font-mono);
    font-size: 1.1rem;
    line-height: 1;
}

.faq-item[open] summary::after {
    content: "–";
}

.faq-item p {
    margin: 0;
    padding: 0 0 0.4rem;
    color: var(--mist);
    line-height: 1.65;
    max-width: 46rem;
}

@media (max-width: 900px) {
    .services-grid {
        grid-template-columns: 1fr 1fr;
    }
}

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

/* Skills */
.skills-grid {
    display: grid;
    gap: 2.5rem;
    margin-top: 3rem;
}

.skill-group h3,
.courses h3 {
    margin: 0;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--amber);
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.65rem;
    margin-top: 1rem;
}

.skill-tags .tech-chip {
    margin: 0;
}

/* Work — code icons + projects */
.section--work {
    position: relative;
    overflow: hidden;
}

.work-code-icons {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 0;
}

.section--work > .container {
    position: relative;
    z-index: 1;
}

.code-float {
    position: absolute;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 2.5rem;
    height: 2.5rem;
    padding: 0 0.55rem;
    border: 1px solid var(--line);
    background: color-mix(in oklab, var(--panel) 75%, transparent);
    color: var(--glow);
    font-family: var(--font-mono);
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    opacity: 0.55;
    animation: code-float 5.5s ease-in-out infinite;
    animation-delay: var(--d, 0s);
}

.code-float--a { top: 8%; right: 6%; color: var(--glow); }
.code-float--b { top: 22%; right: 18%; color: var(--amber); animation-duration: 6.2s; }
.code-float--c { top: 48%; right: 4%; color: var(--mist); animation-duration: 4.8s; }
.code-float--d { bottom: 18%; right: 12%; color: var(--glow); animation-duration: 5.8s; }
.code-float--e { top: 35%; left: 4%; color: var(--amber); animation-duration: 6.5s; }
.code-float--f { bottom: 28%; left: 8%; color: var(--glow); animation-duration: 5.2s; }

.work-lead {
    margin: 1.25rem 0 0;
    max-width: 34rem;
    color: var(--mist);
    font-size: 1.05rem;
    line-height: 1.65;
}

.work-lead-line {
    display: inline;
    background: linear-gradient(90deg, var(--mist), var(--snow), var(--mist));
    background-size: 200% 100%;
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    animation: work-text-shimmer 6s ease-in-out infinite;
}

.tech-marquee {
    margin-top: 2.75rem;
    border-block: 1px solid var(--line);
    background:
        linear-gradient(90deg, var(--ink) 0%, transparent 12%, transparent 88%, var(--ink) 100%),
        color-mix(in oklab, var(--panel) 55%, transparent);
    overflow: hidden;
    mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}

.hero-tech-marquee {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 3;
    margin-top: 0;
    border-top: 1px solid color-mix(in oklab, var(--glow) 28%, var(--line));
    border-bottom: none;
    background:
        linear-gradient(90deg, var(--ink) 0%, transparent 10%, transparent 90%, var(--ink) 100%),
        linear-gradient(180deg, color-mix(in oklab, var(--ink) 35%, transparent), color-mix(in oklab, var(--ink-soft) 88%, transparent));
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.hero-tech-marquee .tech-marquee-track {
    animation-duration: 42s;
}

.hero-tech-marquee .tech-marquee-list {
    padding: 0.85rem 0.75rem;
    gap: 0.65rem;
}

.hero-tech-marquee .tech-chip {
    background: color-mix(in oklab, var(--panel) 72%, transparent);
    box-shadow: 0 0 0 1px color-mix(in oklab, var(--glow) 8%, transparent);
}

.tech-marquee-track {
    display: flex;
    width: max-content;
    animation: tech-marquee 38s linear infinite;
}

.tech-marquee:hover .tech-marquee-track {
    animation-play-state: paused;
}

.tech-marquee-list {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1.1rem 0.75rem;
}

.tech-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    padding: 0.45rem 0.85rem 0.45rem 0.45rem;
    border: 1px solid var(--line);
    background: color-mix(in oklab, var(--ink-soft) 80%, transparent);
    color: var(--snow);
    font-size: 0.875rem;
    white-space: nowrap;
    transition: border-color 0.25s ease, transform 0.25s ease;
}

.tech-chip:hover {
    border-color: color-mix(in oklab, var(--glow) 55%, var(--line));
    transform: translateY(-2px);
}

.tech-chip-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 2rem;
    height: 1.75rem;
    padding: 0 0.35rem;
    border-radius: 0.35rem;
    font-family: var(--font-mono);
    font-size: 0.62rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    color: var(--ink);
    background: var(--glow);
}

.tech-chip--red .tech-chip-mark { background: #f9322c; color: #fff; }
.tech-chip--indigo .tech-chip-mark { background: #777bb3; color: #fff; }
.tech-chip--cyan .tech-chip-mark { background: #54c5f8; color: #042433; }
.tech-chip--sky .tech-chip-mark { background: #61dafb; color: #042433; }
.tech-chip--green .tech-chip-mark { background: #42b883; color: #042014; }
.tech-chip--amber .tech-chip-mark { background: #f7df1e; color: #1a1600; }
.tech-chip--blue .tech-chip-mark { background: #00758f; color: #fff; }
.tech-chip--orange .tech-chip-mark { background: #ffa000; color: #1a1000; }
.tech-chip--mist .tech-chip-mark { background: #21759b; color: #fff; }
.tech-chip--lime .tech-chip-mark { background: #68a063; color: #fff; }
.tech-chip--glow .tech-chip-mark { background: var(--glow-deep); color: #fff; }
.tech-chip--coral .tech-chip-mark { background: #f05033; color: #fff; }
.tech-chip--meta .tech-chip-mark { background: #1877f2; color: #fff; }
.tech-chip--social .tech-chip-mark { background: #e1306c; color: #fff; }

.work-projects {
    display: grid;
    gap: 1px;
    margin-top: 3rem;
    border: 1px solid var(--line);
    background: var(--line);
}

.work-item {
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
    padding: 1.5rem 1.35rem;
    background: color-mix(in oklab, var(--panel) 88%, transparent);
    transition: background 0.3s ease, transform 0.3s ease;
}

.work-item:hover {
    background: color-mix(in oklab, var(--ink-soft) 70%, rgba(26, 127, 255, 0.12));
}

.work-item-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
}

.work-item-index {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    letter-spacing: 0.12em;
    color: var(--glow);
}

.work-item-code {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 1.55rem;
    height: 1.2rem;
    padding: 0 0.25rem;
    border: 1px solid color-mix(in oklab, var(--glow) 40%, var(--line));
    background: color-mix(in oklab, var(--glow) 12%, transparent);
    font-size: 0.55rem;
    letter-spacing: 0;
    color: var(--glow);
}

.work-item-tag {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--amber);
}

.work-item-title {
    margin: 0;
    font-family: var(--font-display);
    font-size: 1.15rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.work-item-blurb {
    margin: 0;
    color: var(--mist);
    font-size: 0.92rem;
    line-height: 1.55;
    flex: 1;
}

.work-item-link {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    margin-top: 0.35rem;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.03em;
    color: var(--glow);
    transition: color 0.2s ease, gap 0.2s ease;
}

.work-item:hover .work-item-link {
    color: var(--snow);
    gap: 0.55rem;
}

.work-empty {
    margin: 0;
    padding: 2rem 1.25rem;
    grid-column: 1 / -1;
    color: var(--mist);
    background: color-mix(in oklab, var(--panel) 88%, transparent);
}

@keyframes tech-marquee {
    from { transform: translateX(0); }
    to { transform: translateX(-50%); }
}

@keyframes work-text-shimmer {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

@keyframes soft-icon-pulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.08); opacity: 0.85; }
}

@keyframes soft-orbit-float {
    0%, 100% { transform: translateY(0); opacity: 0.7; }
    50% { transform: translateY(-5px); opacity: 1; }
}

@keyframes code-float {
    0%, 100% { transform: translateY(0) rotate(0deg); opacity: 0.45; }
    50% { transform: translateY(-14px) rotate(3deg); opacity: 0.8; }
}

/* Experience */
.jobs {
    margin-top: 3.5rem;
}

.job {
    display: grid;
    gap: 1rem;
    border-top: 1px solid var(--line);
    padding: 2.5rem 0;
}

.jobs .job:last-child {
    border-bottom: 1px solid var(--line);
}

.job-period {
    margin: 0;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--glow);
}

.job-role {
    margin: 0.5rem 0 0;
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 700;
}

.job-company {
    margin: 0.35rem 0 0;
    font-size: 0.9rem;
    color: var(--mist);
}

.job-points {
    display: grid;
    gap: 0.65rem;
}

.job-points li {
    display: flex;
    gap: 0.75rem;
    color: var(--mist);
    font-size: 0.95rem;
    line-height: 1.6;
}

.job-points li::before {
    content: "";
    width: 0.28rem;
    height: 0.28rem;
    margin-top: 0.55rem;
    border-radius: 999px;
    background: var(--glow);
    flex-shrink: 0;
}

/* Education */
.edu-grid {
    display: grid;
    gap: 3rem;
    margin-top: 3rem;
}

.edu-item {
    position: relative;
    border-left: 2px solid var(--glow);
    padding-left: 1.25rem;
    margin-bottom: 2rem;
    margin-left: 1.15rem;
}

.edu-item .mini-icon {
    position: absolute;
    left: -0.95rem;
    top: 0.05rem;
    background: var(--ink);
}

.edu-item:hover .mini-icon {
    transform: translateY(-2px) rotate(-6deg);
    border-color: var(--glow);
    color: var(--glow);
    box-shadow: 0 8px 18px rgba(77, 166, 255, 0.18);
}

.edu-item:last-child {
    margin-bottom: 0;
}

.edu-item h3 {
    margin: 0;
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 700;
}

.edu-item p {
    margin: 0.35rem 0 0;
    font-size: 0.9rem;
    color: var(--mist);
}

.edu-item .meta {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--glow);
}

.course-list {
    margin-top: 1.25rem;
}

.course-list li {
    border-bottom: 1px solid var(--line);
    padding-bottom: 1rem;
    margin-bottom: 1rem;
}

.course-list li:last-child {
    border-bottom: 0;
    margin-bottom: 0;
}

.course-list strong {
    display: block;
    font-weight: 500;
    color: var(--snow);
}

.course-list span {
    display: block;
    margin-top: 0.25rem;
    font-size: 0.875rem;
    color: var(--mist);
}

.langs {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 2rem;
}

.langs span {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    letter-spacing: 0.04em;
    color: var(--mist);
    border: 1px solid var(--line);
    padding: 0.4rem 0.75rem;
}

/* Contact */
.contact-panel {
    position: relative;
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: 1rem;
    background: var(--panel);
    padding: 3rem 1.5rem;
}

.contact-orb {
    pointer-events: none;
    position: absolute;
    border-radius: 999px;
    filter: blur(48px);
}

.contact-orb.one {
    width: 16rem;
    height: 16rem;
    right: -4rem;
    top: -4rem;
    background: var(--glow);
    opacity: 0.2;
    animation: float-soft 5.5s ease-in-out infinite;
}

.contact-orb.two {
    width: 14rem;
    height: 14rem;
    left: -2rem;
    bottom: -5rem;
    background: var(--amber);
    opacity: 0.1;
}

.contact-grid {
    position: relative;
    display: grid;
    gap: 2.5rem;
}

.contact-panel .section-title {
    max-width: 18ch;
}

.contact-panel .lead {
    margin: 1rem 0 0;
    max-width: 32rem;
    color: var(--mist);
    line-height: 1.6;
}

.contact-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 1.5rem;
}

.contact-form {
    display: grid;
    gap: 1rem;
    margin-top: 1.75rem;
}

.contact-form .form-row {
    display: grid;
    gap: 1rem;
}

.contact-form label {
    display: grid;
    gap: 0.45rem;
}

.contact-form label span {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--mist);
}

.contact-form label em {
    font-style: normal;
    opacity: 0.65;
    text-transform: none;
    letter-spacing: 0;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    border: 1px solid var(--line);
    border-radius: 0.7rem;
    background: color-mix(in oklab, var(--ink) 70%, transparent);
    color: var(--snow);
    padding: 0.8rem 0.95rem;
    font: inherit;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
    color: color-mix(in oklab, var(--mist) 70%, transparent);
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: color-mix(in oklab, var(--glow) 65%, var(--line));
    box-shadow: 0 0 0 3px rgba(77, 166, 255, 0.15);
}

.contact-form textarea {
    min-height: 8rem;
    resize: vertical;
}

.form-alert {
    margin-top: 1.25rem;
    padding: 0.85rem 1rem;
    border-radius: 0.7rem;
    font-size: 0.9rem;
    line-height: 1.5;
}

.form-alert.success {
    border: 1px solid rgba(61, 214, 140, 0.35);
    background: rgba(61, 214, 140, 0.12);
    color: #7dffb5;
}

.form-alert.error {
    border: 1px solid rgba(255, 107, 122, 0.35);
    background: rgba(255, 107, 122, 0.12);
    color: #ff9aa6;
}

.form-alert ul {
    margin: 0;
    padding-left: 1.1rem;
}

.contact-details {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--mist);
    display: grid;
    gap: 1rem;
    align-content: start;
}

.contact-details a,
.contact-details p {
    display: flex;
    align-items: flex-start;
    gap: 0.7rem;
    margin: 0;
    line-height: 1.5;
}

.contact-details a:hover {
    color: var(--glow);
}

.contact-details .mini-icon {
    flex-shrink: 0;
    margin-top: 0.05rem;
}

.socials {
    display: flex;
    gap: 0.75rem;
    margin-top: 0.5rem;
}

.socials a {
    display: inline-flex;
    width: 2.5rem;
    height: 2.5rem;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--line);
    border-radius: 999px;
    color: var(--mist);
    transition: border-color 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
}

.socials a:hover {
    border-color: var(--glow);
    color: var(--glow);
    box-shadow: 0 0 20px rgba(77, 166, 255, 0.25);
}

.socials svg {
    width: 1rem;
    height: 1rem;
    fill: currentColor;
}

/* Footer */
.site-footer {
    border-top: 1px solid var(--line);
    padding: 2rem 0;
}

.footer-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    text-align: center;
    font-size: 0.875rem;
    color: var(--mist);
}

.footer-tag {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.08em;
    color: var(--glow);
}

/* Reveal */
.reveal {
    opacity: 0;
    transform: translateY(36px);
    transition:
        opacity 0.85s cubic-bezier(0.22, 1, 0.36, 1),
        transform 0.85s cubic-bezier(0.22, 1, 0.36, 1),
        filter 0.85s cubic-bezier(0.22, 1, 0.36, 1);
    filter: blur(4px);
}

.reveal.is-visible {
    opacity: 1;
    transform: translateY(0) translateX(0) scale(1);
    filter: blur(0);
}

.reveal-left {
    transform: translateX(-40px);
}

.reveal-right {
    transform: translateX(40px);
}

.reveal-up {
    transform: translateY(48px);
}

.reveal-scale {
    transform: translateY(28px) scale(0.96);
}

.reveal-delay-1 {
    transition-delay: 0.12s;
}

.reveal-delay-2 {
    transition-delay: 0.24s;
}

.reveal-delay-3 {
    transition-delay: 0.36s;
}

.section.is-inview .section-icon {
    animation: icon-pop 0.7s cubic-bezier(0.22, 1, 0.36, 1) both, icon-breathe 3.6s ease-in-out 0.7s infinite;
}

@keyframes float-soft {
    0%,
    100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-8px);
    }
}

@keyframes float-orbit {
    0%,
    100% {
        transform: translateY(0) rotate(0deg);
    }
    50% {
        transform: translateY(-12px) rotate(2deg);
    }
}

@keyframes ring-pulse {
    0%,
    100% {
        transform: scale(1);
        opacity: 0.55;
    }
    50% {
        transform: scale(1.04);
        opacity: 0.9;
    }
}

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

@keyframes hero-ken {
    from {
        transform: scale(1.04) translate3d(0, 0, 0);
    }
    to {
        transform: scale(1.1) translate3d(-1.5%, 1%, 0);
    }
}

@keyframes fade-up-in {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes status-ping {
    0% {
        box-shadow: 0 0 0 0 rgba(77, 166, 255, 0.55);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(77, 166, 255, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(77, 166, 255, 0);
    }
}

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

@keyframes btn-sheen {
    0%,
    60% {
        transform: translateX(-120%);
    }
    85%,
    100% {
        transform: translateX(120%);
    }
}

@keyframes pulse-line {
    0%,
    100% {
        opacity: 0.35;
    }
    50% {
        opacity: 0.9;
    }
}

@keyframes icon-breathe {
    0%,
    100% {
        transform: translateY(0);
        box-shadow: 0 0 0 0 rgba(77, 166, 255, 0.15);
    }
    50% {
        transform: translateY(-3px);
        box-shadow: 0 10px 22px rgba(77, 166, 255, 0.22);
    }
}

@keyframes icon-pop {
    from {
        opacity: 0;
        transform: scale(0.7) rotate(-8deg);
    }
    to {
        opacity: 1;
        transform: scale(1) rotate(0deg);
    }
}

@media (min-width: 640px) {
    .hero-image {
        object-position: center;
    }

    .contact-panel {
        padding: 3.5rem 2.5rem;
    }

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

@media (min-width: 768px) {
    .nav-desktop {
        display: flex;
    }

    .nav-toggle,
    .mobile-nav {
        display: none !important;
    }

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

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

@media (max-width: 900px) {
    .code-float--e,
    .code-float--f,
    .code-float--c {
        display: none;
    }

    .hero-code-rail {
        display: none;
    }

    .tech-icon--cloud,
    .tech-icon--api {
        display: none;
    }

    .tech-icon {
        width: 2.5rem;
        height: 2.5rem;
    }

    .tech-icon--code { top: 16%; right: 8%; }
    .tech-icon--terminal { top: 28%; right: 4%; }
    .tech-icon--mobile { top: 42%; right: 12%; }
    .tech-icon--db { top: 56%; right: 5%; }
}

@media (max-width: 640px) {
    .section {
        padding: 3.5rem 0;
    }

    .section-heading {
        gap: 0.75rem;
    }

    .section-icon {
        width: 2.35rem;
        height: 2.35rem;
        border-radius: 0.7rem;
    }

    .section-icon svg {
        width: 1.1rem;
        height: 1.1rem;
    }

    .hero-icons {
        opacity: 0.7;
    }

    .hero-rings {
        opacity: 0.35;
        left: -20%;
    }

    .hero-copy {
        padding-left: 0.75rem;
        max-width: 100%;
    }

    .contact-panel {
        padding: 1.75rem 1.1rem;
        border-radius: 0.85rem;
    }

    .contact-actions {
        flex-direction: column;
        align-items: stretch;
    }

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

    .contact-details a,
    .contact-details p {
        word-break: break-word;
    }

    .reveal-left,
    .reveal-right {
        transform: translateY(32px);
    }
}

@media (min-width: 1024px) {
    .container {
        width: min(1120px, calc(100% - 4rem));
    }

    .hero-content {
        justify-content: center;
        padding: 6rem 0 7.5rem;
    }

    .hero-shade {
        background:
            linear-gradient(105deg, var(--ink) 0%, color-mix(in oklab, var(--ink) 72%, transparent) 36%, color-mix(in oklab, var(--ink) 18%, transparent) 58%, transparent 78%),
            linear-gradient(180deg, color-mix(in oklab, var(--ink) 40%, transparent) 0%, transparent 38%, color-mix(in oklab, var(--ink) 65%, transparent) 82%, var(--ink) 100%),
            radial-gradient(ellipse 45% 40% at 18% 65%, rgba(26, 127, 255, 0.2), transparent 70%);
    }

    .section {
        padding: 7rem 0;
    }

    .about-grid {
        grid-template-columns: 0.9fr 1.1fr;
        gap: 5rem;
    }

    .job {
        grid-template-columns: 220px 1fr;
        gap: 2.5rem;
    }

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

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

    .contact-grid {
        grid-template-columns: 1.25fr 0.75fr;
        align-items: start;
        gap: 3rem;
    }

    .footer-inner {
        flex-direction: row;
        justify-content: space-between;
        text-align: left;
    }
}

@media (prefers-reduced-motion: reduce) {
    .hero-image,
    .tech-icon,
    .ring,
    .ring-c,
    .hero h1 .grad,
    .hero-actions .btn-primary::after,
    .eyebrow-pulse,
    .hero-copy::before,
    .value-dot,
    .hero-code-rail,
    .section-icon,
    .tech-marquee-track,
    .work-lead-line,
    .soft-icon-main,
    .soft-orbit,
    .code-float,
    .logo-text,
    .logo-frame-line {
        animation: none !important;
    }

    .logo-text {
        color: var(--glow);
        background: none;
        -webkit-background-clip: unset;
        background-clip: unset;
        filter: none;
    }

    .work-lead-line {
        color: var(--mist);
        background: none;
        -webkit-background-clip: unset;
        background-clip: unset;
    }

    .hero-code-rail {
        opacity: 1;
        transform: none;
    }

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