@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;600&family=Rajdhani:wght@300;500&display=swap');

:root {
    --bg-main: #0d141d;
    --bg-secondary: #111a24;

    --text-main: #d5dde5;
    --text-dim: #8e99a5;

    --accent: #6bbcff;

    --border: rgba(255,255,255,0.06);
}

html, body {
    margin: 0;
    padding: 0;
    overflow-x: hidden;
    background: var(--bg-main);
    color: var(--text-main);
    font-family: 'Rajdhani', sans-serif;
}

body {
    min-height: 100vh;
}

#bgCanvas {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
}

.top-banner {
    position: fixed;
    top: 0;
    left: 0;

    width: 100%;
    height: 30px;

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

    background: rgba(12,18,26,0.92);
    border-bottom: 1px solid rgba(255,255,255,0.05);

    color: var(--accent);

    font-size: 10px;
    letter-spacing: 2px;

    font-family: 'Orbitron', sans-serif;

    z-index: 999;
}

.container {
    position: relative;
    z-index: 1;

    width: min(1100px, 92%);
    margin: auto;
    padding-top: 30px;
}

.hero {
    min-height: 430px;

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

    text-align: center;

    padding: 30px 20px 45px;

    transition:
        opacity 0.2s linear,
        transform 0.2s linear;
}

.hero-logo {
    width: 95px;
    opacity: 0.75;
    margin-bottom: 25px;
}

.hero-title {
    font-family: 'Orbitron', sans-serif;

    font-size: 58px;
    letter-spacing: 8px;

    margin: 0;
}

.hero-title span {
    display: block;

    font-size: 14px;
    letter-spacing: 10px;

    margin-top: 12px;

    color: var(--text-dim);
}

.hero-subtitle {
    margin-top: 28px;

    font-size: 14px;
    letter-spacing: 4px;

    color: var(--accent);
}

.tabs {
    position: sticky;
    top: 30px;

    z-index: 500;

    background: rgba(13,20,29,0.9);
    backdrop-filter: blur(8px);

    display: flex;
    justify-content: center;
    gap: 28px;

    padding: 18px 0 16px;

    border-bottom: 1px solid var(--border);
}

.tab-btn {
    position: relative;

    background: transparent;
    border: none;

    color: var(--text-dim);

    font-family: 'Rajdhani', sans-serif;
    font-size: 13px;
    letter-spacing: 2px;

    cursor: pointer;

    transition: color 0.25s ease;
}

.tab-btn:hover,
.tab-btn.active {
    color: var(--accent);
}

.tab-underline {
    position: absolute;
    bottom: 0;

    height: 2px;
    width: 0;

    background: var(--accent);

    transition:
        left 0.25s cubic-bezier(0.22, 1, 0.36, 1),
        width 0.25s cubic-bezier(0.22, 1, 0.36, 1);
}

.tab-content {
    display: none;

    padding: 90px 20px;

    min-height: 55vh;

    text-align: center;

    opacity: 0;
    transform: translateY(10px);

    transition:
        opacity 0.35s ease,
        transform 0.35s ease;
}

.tab-content.active {
    display: block;

    opacity: 1;
    transform: translateY(0);
}

h2 {
    font-family: 'Orbitron', sans-serif;
    letter-spacing: 4px;
    color: var(--accent);
    margin-bottom: 35px;
}

p {
    max-width: 700px;
    margin: auto;
    line-height: 1.7;
    color: var(--text-dim);
}

/* HOME */

.home-intro {
    max-width: 850px;
    margin: auto auto 70px;
}

.home-intro p {
    font-size: 17px;
    line-height: 1.9;
}

.home-focus-section {
    margin-bottom: 80px;
}

.home-focus-section h3,
.updates-section h3 {
    font-family: 'Orbitron', sans-serif;
    color: var(--accent);
    letter-spacing: 3px;
    margin-bottom: 35px;
}

.focus-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 25px;
}

.focus-card {
    background:
        linear-gradient(
            180deg,
            rgba(255,255,255,0.03),
            rgba(255,255,255,0.012)
        );

    border: 1px solid rgba(255,255,255,0.06);
    border-radius: 18px;
    padding: 28px;
    text-align: left;

    transition:
        transform 0.3s ease,
        border-color 0.3s ease,
        box-shadow 0.3s ease;
}

.focus-card:hover {
    transform: translateY(-6px);
    border-color: rgba(107,188,255,0.35);
    box-shadow: 0 0 24px rgba(107,188,255,0.07);
}

.focus-card span {
    display: block;
    color: var(--accent);
    font-family: 'Orbitron', sans-serif;
    letter-spacing: 3px;
    margin-bottom: 18px;
    font-size: 13px;
}

.focus-card p {
    margin: 0;
    line-height: 1.8;
}

.updates-section {
    max-width: 900px;
    margin: auto;
}

.update-card {
    background:
        linear-gradient(
            180deg,
            rgba(255,255,255,0.025),
            rgba(255,255,255,0.01)
        );

    border: 1px solid rgba(255,255,255,0.06);
    border-radius: 18px;
    padding: 30px;
    text-align: left;
    margin-bottom: 25px;

    transition:
        transform 0.3s ease,
        border-color 0.3s ease;
}

.update-card:hover {
    transform: translateY(-4px);
    border-color: rgba(107,188,255,0.3);
}

.update-date {
    color: var(--accent);
    font-size: 12px;
    letter-spacing: 3px;
    font-family: 'Orbitron', sans-serif;
    margin-bottom: 14px;
}

.update-card h4 {
    margin-top: 0;
    margin-bottom: 18px;
    letter-spacing: 2px;
    font-size: 18px;
}

.update-card p {
    margin: 0;
    line-height: 1.85;
}

/* ABOUT */

.about-logo-wrap {
    margin-bottom: 30px;
}

.about-logo {
    width: 90px;
    opacity: 0.9;
}

.about-intro,
.about-closing {
    max-width: 850px;
    margin: auto;
}

.about-intro p,
.about-closing p {
    font-size: 17px;
    line-height: 1.9;
}

.principles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));

    gap: 28px;

    margin-top: 60px;
    margin-bottom: 60px;
}

.principle-card {
    background:
        linear-gradient(
            180deg,
            rgba(255,255,255,0.025),
            rgba(255,255,255,0.01)
        );

    border: 1px solid rgba(255,255,255,0.06);
    border-radius: 18px;
    padding: 32px;
    text-align: left;

    transition:
        transform 0.35s ease,
        border-color 0.35s ease,
        box-shadow 0.35s ease;
}

.principle-card:hover {
    transform: translateY(-8px);
    border-color: rgba(107,188,255,0.35);
    box-shadow: 0 0 25px rgba(107,188,255,0.08);
}

.principle-card h3 {
    font-family: 'Orbitron', sans-serif;
    color: var(--accent);
    letter-spacing: 3px;
    margin-bottom: 20px;
    font-size: 16px;
}

.principle-card p {
    color: var(--text-dim);
    line-height: 1.85;
    font-size: 15px;
    margin: 0;
}

/* TEAM */

.team-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);

    gap: 30px;

    margin-top: 40px;
}

.team-card {
    background: rgba(255,255,255,0.02);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 25px;

    transition:
        transform 0.3s ease,
        border-color 0.3s ease;
}

.team-card:hover {
    transform: translateY(-6px);
    border-color: rgba(107,188,255,0.35);
}

.team-card img {
    width: 130px;
    height: 130px;
    object-fit: cover;
    border-radius: 50%;
    margin-bottom: 16px;
}

.team-card h3 {
    margin-bottom: 8px;
    letter-spacing: 2px;
}

.role {
    color: var(--accent);
}

.statement {
    margin-top: 14px;
}

/* INNOVATION */

.innovation-intro {
    max-width: 850px;
    margin: auto auto 60px;
}

.innovation-intro p {
    font-size: 17px;
    line-height: 1.9;
}

.innovation-list {
    display: flex;
    flex-direction: column;
    gap: 50px;
    max-width: 1000px;
    margin: auto;
}

.innovation-panel {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 35px;
    align-items: center;

    background:
        linear-gradient(
            180deg,
            rgba(255,255,255,0.03),
            rgba(255,255,255,0.012)
        );

    border: 1px solid rgba(255,255,255,0.06);
    border-radius: 20px;
    padding: 30px;

    transition:
        transform 0.35s ease,
        border-color 0.35s ease,
        box-shadow 0.35s ease;
}

.innovation-panel:hover {
    transform: translateY(-6px);
    border-color: rgba(107,188,255,0.35);
    box-shadow: 0 0 30px rgba(107,188,255,0.08);
}

.innovation-panel.reverse .innovation-image {
    order: 2;
}

.innovation-image img {
    width: 100%;
    height: 260px;
    object-fit: cover;
    border-radius: 14px;
    opacity: 0.92;
}

.innovation-text {
    text-align: left;
}

.innovation-date {
    color: var(--accent);
    font-size: 12px;
    letter-spacing: 2px;
    font-family: 'Orbitron', sans-serif;
}

.innovation-text h3 {
    font-family: 'Orbitron', sans-serif;
    letter-spacing: 3px;
    color: var(--text-main);
    margin: 12px 0 18px;
}

.innovation-text p {
    margin: 0 0 18px;
    line-height: 1.75;
}

.innovation-link {
    color: var(--accent);
    font-size: 13px;
    letter-spacing: 2px;
}

/* SPONSORS */

.sponsor-badge {
    display: inline-block;
    padding: 10px 18px;
    margin-bottom: 30px;
    border: 1px solid rgba(107,188,255,0.28);
    border-radius: 999px;
    background: rgba(107,188,255,0.04);
    color: var(--accent);
    font-size: 11px;
    letter-spacing: 3px;
    font-family: 'Orbitron', sans-serif;
    box-shadow: 0 0 18px rgba(107,188,255,0.06);
}

.sponsors-intro {
    max-width: 850px;
    margin: auto auto 60px;
}

.sponsors-intro p {
    font-size: 17px;
    line-height: 1.9;
}

.sponsor-showcase {
    max-width: 900px;
    margin: auto;

    background:
        linear-gradient(
            180deg,
            rgba(255,255,255,0.03),
            rgba(255,255,255,0.015)
        );

    border: 1px solid rgba(255,255,255,0.06);
    border-radius: 20px;
    padding: 40px;

    display: grid;
    grid-template-columns: 140px 1fr;
    gap: 40px;
    align-items: center;

    transition:
        transform 0.35s ease,
        border-color 0.35s ease,
        box-shadow 0.35s ease;
}

.sponsor-showcase:hover {
    transform: translateY(-6px);
    border-color: rgba(107,188,255,0.3);
    box-shadow: 0 0 30px rgba(107,188,255,0.08);
}

.sponsor-showcase img {
    width: 120px;
    opacity: 0.95;
}

.sponsor-info {
    text-align: left;
}

.sponsor-info h3 {
    font-family: 'Orbitron', sans-serif;
    color: var(--accent);
    letter-spacing: 3px;
    margin-bottom: 18px;
}

.sponsor-info p {
    margin-bottom: 26px;
    line-height: 1.8;
}

.sponsor-btn {
    display: inline-block;
    padding: 12px 22px;
    border: 1px solid rgba(107,188,255,0.25);
    border-radius: 10px;
    text-decoration: none;
    color: var(--accent);
    letter-spacing: 2px;

    transition:
        background 0.25s ease,
        transform 0.25s ease,
        border-color 0.25s ease;
}

.sponsor-btn:hover {
    background: rgba(107,188,255,0.08);
    transform: translateY(-2px);
    border-color: rgba(107,188,255,0.4);
}

.why-partner {
    max-width: 850px;
    margin: 80px auto 0;
}

.why-partner h3 {
    font-family: 'Orbitron', sans-serif;
    color: var(--accent);
    letter-spacing: 3px;
    margin-bottom: 25px;
}

.why-partner p {
    line-height: 1.9;
    font-size: 16px;
}

/* CONTACT */

.contact-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
    margin-top: 30px;
}

.contact-left p {
    margin-bottom: 22px;
}

.contact-right {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.contact-card {
    background: rgba(255,255,255,0.02);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 18px 22px;
    text-decoration: none;
    color: var(--text-main);

    transition:
        transform 0.25s ease,
        border-color 0.25s ease,
        background 0.25s ease;
}

.contact-card:hover {
    transform: translateX(8px);
    border-color: rgba(107,188,255,0.35);
    background: rgba(107,188,255,0.04);
}

.contact-card span {
    color: var(--accent);
    letter-spacing: 2px;
}

.contact-card p {
    margin: 8px 0 0;
}

/* FOOTER */

footer {
    text-align: center;
    padding: 50px 20px;
    color: var(--text-dim);
    font-size: 13px;
}

/* MOBILE */

@media (max-width: 900px) {
    .team-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 800px) {

    .innovation-panel,
    .innovation-panel.reverse {
        grid-template-columns: 1fr;
    }

    .innovation-panel.reverse .innovation-image {
        order: 0;
    }

    .innovation-text {
        text-align: center;
    }

    .innovation-image img {
        height: 220px;
    }
}

@media (max-width: 700px) {

    .hero {
        min-height: 360px;
        padding: 30px 15px 35px;
    }

    .hero-title {
        font-size: 36px;
    }

    .hero-title span {
        font-size: 10px;
    }

    .tabs {
        gap: 14px;
        flex-wrap: wrap;
    }

    .tab-btn {
        font-size: 11px;
    }

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

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

    .about-intro p,
    .about-closing p {
        font-size: 15px;
    }

    .principle-card {
        padding: 24px;
    }

    .sponsor-showcase {
        grid-template-columns: 1fr;
        text-align: center;
        padding: 30px;
    }

    .sponsor-info {
        text-align: center;
    }
}