html {
    overflow: hidden;
    overflow-y: scroll;

    scroll-padding-top: 70px;
    scroll-behavior: smooth;
    scrollbar-width: none;
    scrollbar-color: unset;
}

body {
    overflow: hidden;
}

/* preloader */
#preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1100;

    display: flex;
    justify-content: center;
    align-items: center;

    background: hsl(var(--base-100));
}

#preloader .loader {
    width: 50px;
    height: 50px;
    background: hsl(var(--secondary));
    border-radius: 50%;
    position: relative;
    animation: preloader-spin 1.5s linear infinite;
}

#preloader .loader::after {
    content: "";
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    border: 24px solid;
    border-color: transparent #000000;
    border-radius: 50%;
}

@keyframes preloader-spin {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

/* header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;

    display: flex;
    align-items: center;
    justify-content: center;

    border-bottom: var(--border) solid transparent;
    z-index: 1000;
    transition: 0.5s background-color linear;
}

.header.active {
    background: rgba(6, 8, 13, 0.05);
    backdrop-filter: blur(15px);
    border-color: hsl(var(--border-color));
}

.header .navbar {
    padding: calc(var(--spacing) * 4) 0;

    display: flex;
    align-items: center;
    gap: calc(var(--spacing) * 10);
}

.header .navbar .nav-link {
    color: hsl(var(--base-fg-alt));
    font-size: 1rem;
    font-weight: 500;
    text-transform: capitalize;
    padding-bottom: 0.3rem;

    position: relative;
    transition: 0.5s;
    overflow: hidden;
}

.header .navbar .nav-link.active {
    color: hsl(var(--base-fg));
}

.header .navbar .nav-link::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0px;
    width: 100%;
    height: 3px;

    border-radius: 4px;
    background: hsl(var(--secondary));
    transform-origin: center;
    transform: scaleX(0);
    transition: transform 0.3s linear;
}

.header .navbar .nav-link.active::after {
    transform-origin: center;
    transform: scaleX(1);
}

/* file-code */
.file-code {
    position: absolute;
    top: 0;
    right: 0.5rem;

    font-family: var(--base-font-mono-default);
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: hsl(var(--neutral));
    opacity: 0.8;
}

/* section */
.section {
    width: 100%;
    max-width: 1380px;

    padding: 0 calc(var(--spacing) * 4);
    margin: auto;
    margin-bottom: calc(var(--spacing) * 20);
    position: relative;
}

/* Base */
#base {
    display: flex;
    align-items: center;
    height: 100vh;
}

#base .left,
#base .right {
    width: 100%;
}

/* profile-name */
#base .left .profile-name {
    letter-spacing: 0.15rem;
}

#base .left .profile-name::after {
    content: url("../images/base/bug.gif");
    margin-left: -3rem;
}

#base .left .animation-text {
    height: 67px;
    overflow: hidden;
}

#base .left .animation-text small {
    text-transform: none;
}

/* latest-focus */
#base .left .latest-focus {
    width: 100%;
    color: hsl(var(--base-fg-alt));
    background: rgba(255, 255, 255, 0.05);
    border: var(--border-default);
    border-radius: calc(var(--radius-box));
    margin-top: calc(var(--spacing) * 4);

    display: flex;
    align-items: center;

    overflow: hidden;
    backdrop-filter: blur(15px);
}

#base .left .latest-focus b {
    flex: 1;
    padding: 0.5rem;
    text-align: center;
    background: linear-gradient(hsl(var(--base-300)), hsl(var(--base-200)));
}

#base .left .latest-focus a {
    flex: 2;
    color: hsl(var(--base-fg-alt));
    text-align: center;
    text-transform: capitalize;

    padding: 0.5rem;
}

#base .left .latest-focus a:hover {
    background: rgba(255, 255, 255, 0.025);
}

/* social btns */
#base .left .social-btns {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: calc(var(--spacing) * 6);

    margin-top: calc(var(--spacing) * 4);
}

#base .left .social-btns h5 {
    margin: 0.8rem 0;
}

#base .left .social-btns a {
    display: flex;
    align-items: center;
    justify-content: center;

    color: hsl(var(--primary));
    background: linear-gradient(hsl(var(--base-300)), hsl(var(--base-200)));
    font-size: 1.2rem;
    border: var(--border-default);
    border-radius: calc(var(--radius-field) * 2.5);

    width: 40px;
    height: 40px;
    transition: 0.2s border-color linear;
}

#base .left .social-btns a:hover {
    border-color: hsl(var(--primary));
}

/* landing image */
#base .right {
    height: 86%;
    background: url("../images/base/madhan_0.webp");
    background-position: center;
    background-size: contain;
    background-repeat: no-repeat;
    filter: brightness(1) contrast(1);
    animation: base-jitter 8s infinite steps(1);
}

@keyframes base-jitter {
    0%,
    100% {
        transform: translate(0, 0);
        filter: brightness(1) contrast(1);
    }

    /* burst 1 */
    58%,
    58.6% {
        transform: translate(0, 0);
        filter: brightness(1) contrast(1);
    }
    58.3% {
        transform: translate(-2px, 1px);
        filter: brightness(1.15) contrast(1.1);
    }

    /* burst 2 */
    72%,
    72.9% {
        transform: translate(0, 0);
        filter: brightness(1) contrast(1);
    }
    72.3% {
        transform: translate(2px, -1px);
        filter: brightness(1.2) contrast(1.15);
    }
    72.6% {
        transform: translate(-3px, 2px);
        filter: brightness(0.85) contrast(1.3);
    }

    /* burst 3 — biggest jitter, matches heaviest glitch frames */
    88%,
    89.7% {
        transform: translate(0, 0);
        filter: brightness(1) contrast(1);
    }
    88.2% {
        transform: translate(3px, -2px);
        filter: brightness(1.2) contrast(1.1);
    }
    88.4% {
        transform: translate(-5px, 1px);
        filter: brightness(0.8) contrast(1.4);
    }
    88.6% {
        transform: translate(4px, 2px);
        filter: brightness(1.3) contrast(1.2);
    }
    88.8% {
        transform: translate(-3px, -3px);
        filter: brightness(0.9) contrast(1.3);
    }
    89% {
        transform: translate(5px, 0);
        filter: brightness(1.15) contrast(1.25);
    }
    89.2% {
        transform: translate(-4px, 2px);
        filter: brightness(0.85) contrast(1.35);
    }
    89.4% {
        transform: translate(2px, -1px);
        filter: brightness(1.1) contrast(1.15);
    }

    /* burst 4 */
    95%,
    95.6% {
        transform: translate(0, 0);
        filter: brightness(1) contrast(1);
    }
    95.3% {
        transform: translate(-2px, 1px);
        filter: brightness(1.15) contrast(1.1);
    }
}

/* ops */

/* ops-header */
#ops .ops-header {
    display: flex;
    align-items: center;
    gap: calc(var(--spacing) * 8);

    margin: calc(var(--spacing) * 8) auto;
}

#ops .ops-header.reverse {
    flex-direction: row-reverse;
    text-align: right;
}

#ops .ops-header img {
    width: 80px;
    height: 80px;
}

/* ops-body */
#ops .ops-body {
    display: grid;
    gap: calc(var(--spacing) * 4);
    grid-template-columns: 1fr 1fr 1fr 1fr;
}

/* ops-card */
#ops .ops-card {
    display: flex;
    align-items: center;
    gap: calc(var(--spacing) * 4);

    color: var(--base-fg);
    background: linear-gradient(hsl(var(--base-300)), hsl(var(--base-200)));
    border: 2px solid hsl(var(--primary) / 0.25);
    border-radius: calc(var(--radius-box) * 1.5);

    padding: calc(var(--spacing) * 2);
    transition: 0.2s border-color linear;
}

#ops .ops-card:hover {
    border-color: hsl(var(--primary));
}

#ops .ops-card img {
    width: 80px;
    height: 80px;
    object-fit: contain;
}

#ops .ops-card-content {
    display: flex;
    flex-direction: column;
    gap: calc(var(--spacing) * 2);
}

#ops .ops-card h4 {
    text-transform: capitalize;
}

#ops .ops-card p {
    font-size: 0.9rem;
    line-height: 1.4;
    color: hsl(var(--base-fg-alt));
    margin: 0;
}

/* ops-status */
#ops .ops-status {
    font-size: 0.8rem;
}

#ops .ops-status.pending {
    color: hsl(var(--warning));
    font-weight: normal;
}

/* intel */
#intel .intel-body {
    margin: calc(var(--spacing) * 4) auto;
}

#intel .intel-row {
    border-bottom: var(--border) solid hsl(var(--primary) / 0.25);
    padding: calc(var(--spacing) * 4);

    display: flex;
    align-items: start;
    gap: calc(var(--spacing) * 4);
    color: var(--base-fg);
}

#intel .intel-row:hover {
    background: hsl(var(--primary) / 0.09);
}

#intel .intel-row img {
    width: 160px;
    border-radius: calc(var(--radius-box) * 1.5);
    border: var(--border-default);
}

#intel .intel-row:last-child {
    border: none;
}

#intel .intel-row-meta {
    display: flex;
    align-items: center;
    gap: calc(var(--spacing) * 2.5);

    font-family: var(--base-font-mono-default);
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 0.5rem;
}

#intel .intel-tag {
    color: hsl(var(--accent));
    border: 1px solid hsl(var(--accent) / 0.4);
    padding: 2px 8px;
    border-radius: 4px;
}

/* Research — analytical breakdowns */
#intel .intel-tag.research {
    color: hsl(var(--accent));
    border-color: hsl(var(--accent) / 0.4);
    background: hsl(var(--accent) / 0.08);
}

/* Tutorial — step-by-step build guides */
#intel .intel-tag.tutorial {
    color: hsl(var(--primary));
    border-color: hsl(var(--primary) / 0.4);
    background: hsl(var(--primary) / 0.08);
}

/* Video — YouTube/video content */
#intel .intel-tag.video {
    color: hsl(var(--error));
    border-color: hsl(var(--error) / 0.4);
    background: hsl(var(--error) / 0.08);
}

/* Write-up — general blog/opinion posts */
#intel .intel-tag.writeup {
    color: hsl(var(--info));
    border-color: hsl(var(--info) / 0.4);
    background: hsl(var(--info) / 0.08);
}

/* Field Note — personal/reflective posts */
#intel .intel-tag.note {
    color: hsl(var(--base-fg-alt));
    border-color: hsl(var(--base-fg) / 0.2);
    background: hsl(var(--base-fg) / 0.05);
}

#intel .intel-date {
    color: hsl(var(--neutral));
}

#intel .intel-row-content h4 {
    font-size: 1.05rem;
    margin-bottom: 4px;
}

#intel .intel-row-content p {
    font-size: 0.88rem;
    line-height: 1.4;
    opacity: 0.65;
    max-width: 700px;
}

#intel .intel-more {
    padding: calc(var(--spacing) * 5);
    display: flex;
    align-items: center;
    justify-content: center;
}

#intel .intel-more a {
    border: var(--border) solid hsl(var(--primary) / 0.5);
    border-radius: calc(var(--radius-field) * 1.5);
    padding: calc(var(--spacing) * 2);
    color: hsl(var(--primary));
    background: hsl(var(--primary) / 0.15);
}

#intel .intel-more a:hover {
    background: hsl(var(--primary) / 0.2);
}

/* media queries */
@media (max-width: 1320px) {
    .hero-title {
        font-size: 35px !important;
    }

    #base .animation-text {
        height: 50px !important;
    }

    /* ops */
    #ops .ops-body {
        grid-template-columns: 1fr 1fr 1fr;
    }
}

@media (max-width: 800px) {
    /* header */
    .header .navbar {
        gap: 1.3rem;
    }

    .hero-subtitle {
        font-size: 25px !important;
    }

    .hero-lead {
        font-size: 1rem;
    }

    .section {
        margin-bottom: 4rem;
    }

    /* base */
    #base {
        display: block;
        padding-top: 3rem;
    }

    #base .left {
        text-align: center;
        position: relative;
        z-index: 10;
    }

    #base .left .animation-text {
        height: 35px !important;
    }

    #base .left .social-btns {
        gap: 1rem;
    }

    #base .left .social-btns .hero-lead {
        display: none;
    }

    #base .right {
        margin-top: -3rem;
    }

    /* ops */
    #ops .ops-header {
        gap: 1rem;
    }

    #ops .ops-body {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 550px) {
    .file-code {
        font-size: 0.7rem;
    }

    #base .latest-focus {
        font-size: 0.9rem;
    }

    #base .right {
        margin-top: -5rem;
    }

    /* ops */
    #ops .ops-body {
        grid-template-columns: 1fr;
    }

    /* intel */
    #intel .intel-body .intel-row {
        flex-direction: column;
    }

    #intel .intel-body .intel-row img {
        width: 100%;
    }
}