:root {
    --bg: #080b12;
    --surface: rgba(15, 21, 34, 0.76);
    --surface-strong: #111827;
    --text: #f3f4f6;
    --muted: #a1a1aa;
    --line: rgba(255, 255, 255, 0.14);
    --accent: #60a5fa;
    --accent-strong: #3b82f6;
    --radius: 18px;
    --shadow: 0 16px 36px rgba(0, 0, 0, 0.35);
}

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

html {
    scroll-behavior: smooth;
}

body {
    color: var(--text);
    background:
        radial-gradient(circle at 88% 8%, rgba(59, 130, 246, 0.2) 0%, transparent 35%),
        radial-gradient(circle at 8% 78%, rgba(56, 189, 248, 0.12) 0%, transparent 42%),
        var(--bg);
    font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "SF Pro Display", "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

.container {
    width: min(1200px, 92vw);
    margin: 0 auto;
}

#header {
    min-height: 100vh;
    background:
        linear-gradient(180deg, rgba(8, 11, 18, 0.45), rgba(8, 11, 18, 0.74)),
        url("Images/background.png") center/cover no-repeat;
    border-bottom: 1px solid var(--line);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 26px 0;
}

.brand-link {
    display: inline-flex;
    align-items: center;
}

.brand-wordmark {
    font-size: clamp(1.05rem, 2vw, 1.25rem);
    font-weight: 700;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: #7db8ff;
    text-decoration: none;
    line-height: 1;
    text-shadow: 0 0 18px rgba(96, 165, 250, 0.2);
}

#sidemenu {
    display: flex;
    align-items: center;
    gap: 30px;
    list-style: none;
}

#sidemenu a {
    color: rgba(243, 244, 246, 0.9);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    letter-spacing: 0.01em;
    position: relative;
    transition: color 0.2s ease;
}

#sidemenu a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -8px;
    width: 0;
    height: 2px;
    border-radius: 999px;
    background: #7db8ff;
    transition: width 0.24s ease;
}

#sidemenu a:hover {
    color: #ffffff;
}

#sidemenu a:hover::after {
    width: 100%;
}

.menu-toggle,
.menu-close {
    display: none;
}

.hero {
    max-width: 760px;
    padding: 12vh 0 10vh;
}

.eyebrow {
    color: var(--accent);
    font-size: 0.8rem;
    letter-spacing: 0.09em;
    text-transform: uppercase;
    font-weight: 600;
    margin-bottom: 12px;
}

.hero h1 {
    font-size: clamp(2rem, 4vw, 3.2rem);
    line-height: 1.08;
    letter-spacing: -0.02em;
}

.hero-description {
    color: #c5c7ce;
    font-size: clamp(1rem, 1.6vw, 1.18rem);
    max-width: 680px;
    margin-top: 16px;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin: 30px 0;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
    max-width: 760px;
}

.hero-stats article {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 16px;
    backdrop-filter: blur(8px);
}

.hero-stats h2 {
    font-size: 1.4rem;
    letter-spacing: -0.02em;
}

.hero-stats p {
    color: var(--muted);
    font-size: 0.9rem;
}

.section {
    padding: 96px 0;
}

.section-kicker {
    color: var(--accent);
    font-size: 0.78rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    font-weight: 600;
    margin-bottom: 10px;
}

.sub-title {
    font-size: clamp(1.95rem, 3.4vw, 3.2rem);
    line-height: 1.12;
    letter-spacing: -0.025em;
    margin-bottom: 14px;
}

.row {
    display: grid;
    grid-template-columns: minmax(250px, 0.9fr) minmax(0, 1.4fr);
    gap: 42px;
    align-items: center;
}

.about-col-1 img {
    width: 100%;
    border-radius: 22px;
    border: 1px solid var(--line);
    box-shadow: var(--shadow);
}

.about-col-2 > p {
    color: var(--muted);
}

.tab-titles {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 24px;
}

.tab-links {
    border: 1px solid var(--line);
    background: rgba(17, 24, 39, 0.64);
    color: var(--text);
    border-radius: 999px;
    padding: 9px 15px;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.tab-links.active-link {
    background: var(--accent);
    border-color: var(--accent);
    color: #071121;
}

.tab-contents {
    display: none;
    margin-top: 18px;
}

.tab-contents.active-tab {
    display: block;
}

.tab-contents ul {
    display: grid;
    gap: 12px;
}

.tab-contents li {
    list-style: none;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 14px 16px;
    color: #c0c4cd;
}

.tab-contents li span {
    display: block;
    color: var(--text);
    font-weight: 600;
    margin-bottom: 4px;
}

.services-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
    gap: 16px;
    margin-top: 24px;
}

.service-card {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 24px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
    transition: transform 0.25s ease, border-color 0.25s ease;
}

.service-card:hover {
    transform: translateY(-4px);
    border-color: rgba(96, 165, 250, 0.5);
}

.service-card i {
    color: var(--accent);
    font-size: 1.4rem;
    margin-bottom: 10px;
}

.service-card h3 {
    font-size: 1.22rem;
    letter-spacing: -0.01em;
    margin-bottom: 8px;
}

.service-card p {
    color: var(--muted);
}

.work-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
    margin-top: 34px;
}

.work {
    position: relative;
    aspect-ratio: 1.06 / 1;
    border-radius: 26px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.12);
    background:
        radial-gradient(circle at top right, rgba(125, 184, 255, 0.18), transparent 34%),
        linear-gradient(160deg, #0b1420 0%, #0a111c 52%, #070d16 100%);
    box-shadow: var(--shadow);
    isolation: isolate;
    transition: transform 0.28s ease, box-shadow 0.28s ease, border-color 0.28s ease;
}

.work::after {
    content: "";
    position: absolute;
    inset: 0;
    background:
        linear-gradient(180deg, rgba(8, 11, 18, 0.04) 0%, rgba(8, 11, 18, 0.2) 42%, rgba(8, 11, 18, 0.9) 100%);
    z-index: 1;
    pointer-events: none;
}

.work::before {
    content: "";
    position: absolute;
    inset: 0;
    background-repeat: no-repeat;
    background-size: 180px 180px, auto;
    background-position: top 26px right 22px, center;
    opacity: 0.9;
    z-index: 0;
    transition: transform 0.45s ease, opacity 0.45s ease;
}

.layer {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 14px;
    padding: 28px 24px;
    text-align: center;
    z-index: 2;
}

.project-badge {
    width: 48px;
    height: 48px;
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.14);
    background: rgba(255, 255, 255, 0.12);
    color: #f8fbff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(10px);
    box-shadow: 0 10px 24px rgba(0, 0, 0, 0.18);
}

.project-badge i {
    font-size: 1.15rem;
}

.layer h3 {
    color: #fff;
    font-size: 1.2rem;
    line-height: 1.15;
    letter-spacing: -0.015em;
    max-width: 15ch;
}

.layer p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.94rem;
    line-height: 1.5;
    margin: 0;
    max-width: 30ch;
}

.project-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    margin-top: 4px;
}

.layer a {
    width: 44px;
    height: 44px;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    background: rgba(255, 255, 255, 0.95);
    color: #071121;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.2s ease, background 0.2s ease, color 0.2s ease;
}

.project-actions a {
    gap: 5px;
    width: auto;
    min-width: 44px;
    padding: 0 13px;
    font-size: 0.9rem;
}

.project-actions a span {
    font-size: 0.66rem;
    font-weight: 700;
    letter-spacing: 0.06em;
}

.work:hover {
    transform: translateY(-6px);
    border-color: rgba(125, 184, 255, 0.35);
    box-shadow: 0 22px 44px rgba(0, 0, 0, 0.42);
}

.work:hover::before {
    transform: scale(1.03);
    opacity: 1;
}

.project-actions a:hover {
    transform: translateY(-1px);
    background: #7db8ff;
    color: #06101b;
}

.work-prepmates {
    background:
        radial-gradient(circle at top right, rgba(110, 191, 255, 0.18), transparent 32%),
        linear-gradient(160deg, #0a1624 0%, #0b2030 44%, #09111b 100%);
}

.work-prepmates::before {
    background-image:
        radial-gradient(circle, rgba(150, 218, 255, 0.16) 0%, rgba(150, 218, 255, 0.04) 48%, transparent 72%),
        linear-gradient(135deg, rgba(255, 255, 255, 0.14), rgba(255, 255, 255, 0));
}

.work-chatroom {
    background:
        radial-gradient(circle at top right, rgba(83, 211, 255, 0.15), transparent 34%),
        linear-gradient(155deg, #09121f 0%, #13253a 48%, #09101a 100%);
}

.work-chatroom::before {
    background-image:
        linear-gradient(rgba(120, 200, 255, 0.16) 1px, transparent 1px),
        linear-gradient(135deg, rgba(255, 255, 255, 0.12), rgba(255, 255, 255, 0));
    background-size: 18px 18px, auto;
    background-position: top 28px right 26px, center;
}

.work-sneaker {
    background:
        radial-gradient(circle at top right, rgba(255, 197, 113, 0.16), transparent 34%),
        linear-gradient(155deg, #1b1010 0%, #2b1815 42%, #100a0a 100%);
}

.work-sneaker::before {
    background-image:
        radial-gradient(circle, rgba(255, 211, 148, 0.2) 0%, rgba(255, 211, 148, 0.04) 52%, transparent 74%),
        linear-gradient(135deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0));
}

.work-bitmap {
    background:
        radial-gradient(circle at top right, rgba(255, 129, 129, 0.16), transparent 34%),
        linear-gradient(155deg, #1b0f18 0%, #271423 45%, #0c0911 100%);
}

.work-bitmap::before {
    background-image:
        linear-gradient(90deg, rgba(255, 255, 255, 0.09) 50%, transparent 50%),
        linear-gradient(135deg, rgba(255, 255, 255, 0.12), rgba(255, 255, 255, 0));
    background-size: 16px 16px, auto;
    background-position: top 30px right 24px, center;
}

.work-mountain {
    background:
        radial-gradient(circle at top right, rgba(120, 213, 168, 0.16), transparent 34%),
        linear-gradient(155deg, #091510 0%, #13261d 44%, #07100d 100%);
}

.work-mountain::before {
    background-image:
        linear-gradient(135deg, rgba(171, 230, 199, 0.14), rgba(171, 230, 199, 0.02)),
        linear-gradient(135deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0));
    clip-path: polygon(0 100%, 24% 62%, 42% 74%, 61% 36%, 79% 56%, 100% 18%, 100% 100%);
}

.work-zen {
    background:
        radial-gradient(circle at top right, rgba(255, 176, 107, 0.14), transparent 34%),
        linear-gradient(155deg, #1b1309 0%, #2d2010 44%, #120c08 100%);
}

.work-zen::before {
    background-image:
        radial-gradient(circle, rgba(255, 219, 168, 0.18) 0%, rgba(255, 219, 168, 0.04) 50%, transparent 72%),
        linear-gradient(135deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0));
}

.work-finance {
    background:
        radial-gradient(circle at top right, rgba(115, 220, 171, 0.14), transparent 34%),
        linear-gradient(155deg, #08140f 0%, #11251e 46%, #060e0b 100%);
}

.work-finance::before {
    background-image:
        linear-gradient(0deg, rgba(184, 255, 221, 0.16) 1px, transparent 1px),
        linear-gradient(135deg, rgba(255, 255, 255, 0.12), rgba(255, 255, 255, 0));
    background-size: 100% 14px, auto;
    background-position: top 34px right 22px, center;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    border-radius: 999px;
    padding: 11px 20px;
    font-weight: 600;
    font-size: 0.94rem;
    border: 1px solid transparent;
    transition: all 0.2s ease;
}

.btn-primary {
    background: var(--accent-strong);
    color: #fff;
}

.btn-primary:hover {
    background: #2563eb;
}

.btn-secondary {
    border-color: var(--line);
    background: rgba(17, 24, 39, 0.6);
    color: var(--text);
}

.btn-secondary:hover {
    background: rgba(30, 41, 59, 0.7);
}

#portfolio .btn {
    margin-top: 26px;
}

.contact-row {
    align-items: flex-start;
}

.contact-left p {
    color: var(--muted);
    margin-top: 12px;
}

.contact-left p i {
    color: var(--accent);
    margin-right: 7px;
}

.social-icons {
    display: flex;
    gap: 12px;
    margin: 22px 0 26px;
}

.social-icons a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1px solid var(--line);
    background: rgba(17, 24, 39, 0.7);
    color: var(--text);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.social-icons a:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.contact-right {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 24px;
}

form input,
form textarea {
    width: 100%;
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: 12px;
    padding: 12px;
    font-family: inherit;
    font-size: 0.97rem;
    margin-bottom: 12px;
    background: rgba(15, 23, 42, 0.72);
    color: var(--text);
}

form textarea {
    min-height: 120px;
    resize: vertical;
}

form button {
    border: 0;
    cursor: pointer;
}

form button:disabled {
    opacity: 0.72;
    cursor: not-allowed;
}

#msg {
    color: #86efac;
    display: inline-block;
    margin-top: 8px;
}

.copyright {
    margin-top: 52px;
    padding: 22px;
    border-top: 1px solid var(--line);
    text-align: center;
    color: var(--muted);
    font-size: 0.92rem;
}

.copyright i {
    color: var(--accent);
}

.reveal {
    animation: fadeUp 0.65s ease both;
}

@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(16px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (min-width: 1500px) {
    .container {
        width: min(1400px, 93vw);
    }

    .row {
        gap: 52px;
    }

    .work-list,
    .services-list {
        gap: 22px;
    }
}

@media (max-width: 900px) {
    .row {
        grid-template-columns: 1fr;
        gap: 28px;
    }

    .hero-stats {
        grid-template-columns: 1fr;
        max-width: 100%;
    }

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

@media (max-width: 760px) {
    .menu-toggle {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 42px;
        height: 42px;
        border-radius: 50%;
        border: 1px solid var(--line);
        background: rgba(17, 24, 39, 0.85);
        color: var(--text);
        font-size: 1.05rem;
    }

    #sidemenu {
        position: fixed;
        top: 0;
        right: -260px;
        width: 240px;
        height: 100vh;
        background: rgba(9, 14, 24, 0.96);
        border-left: 1px solid var(--line);
        backdrop-filter: blur(12px);
        display: flex;
        flex-direction: column;
        align-items: flex-start;
        gap: 20px;
        padding: 80px 24px 24px;
        z-index: 10;
        transition: right 0.3s ease;
    }

    .menu-close {
        display: block;
        position: absolute;
        top: 20px;
        right: 20px;
        list-style: none;
        cursor: pointer;
        font-size: 1.2rem;
        color: var(--text);
    }

    .hero {
        padding: 9vh 0 8vh;
    }

    .section {
        padding: 80px 0;
    }
}

@media (max-width: 520px) {
    .container {
        width: min(1120px, 92vw);
    }

    .hero h1 {
        font-size: clamp(1.8rem, 9.6vw, 2.6rem);
    }

    .layer {
        padding: 24px 20px;
    }

    .work-list {
        grid-template-columns: 1fr;
        gap: 18px;
    }

    .work {
        aspect-ratio: 1 / 1;
    }

    .layer p {
        font-size: 0.91rem;
    }
}