/* ─── CSS VARIABLES ─────────────────────────────────────── */
:root {
    --bg:        #020d08;
    --teal:      #00ffcc;
    --teal-dim:  rgba(0,255,204,0.15);
    --teal-mid:  rgba(0,255,204,0.35);
    --green:     #22c55e;
    --red:       #ff3b3b;
    --white:     #e8f5f0;
    --muted:     rgba(232,245,240,0.55);
    --card-bg:   rgba(4,26,18,0.82);
    --font-mono: 'Share Tech Mono', monospace;
    --font-body: 'Rajdhani', sans-serif;
    --font-head: 'Orbitron', sans-serif;
}

/* ─── RESET ─────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

/* ─── BACKGROUND ─────────────────────────────────────────
   Experiment A: animated aurora mesh + hex-grid overlay
──────────────────────────────────────────────────────────── */
body {
    font-family: var(--font-body);
    background-color: var(--bg);
    color: var(--white);
    min-height: 100vh;
    padding-top: 68px;
    overflow-x: hidden;
    position: relative;
}

/* Hex grid — replaced by animated #grid-canvas injected by JS */
body::before { display: none; }

#grid-canvas {
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
}

/* Aurora blobs */
body::after {
    content: '';
    position: fixed;
    inset: 0;
    background:
        radial-gradient(ellipse 70% 40% at 20% 10%, rgba(0,200,120,0.18) 0%, transparent 60%),
        radial-gradient(ellipse 50% 35% at 80% 5%,  rgba(0,180,255,0.10) 0%, transparent 55%),
        radial-gradient(ellipse 60% 50% at 50% 90%, rgba(0,255,140,0.08) 0%, transparent 60%);
    pointer-events: none;
    z-index: 0;
    animation: auroraShift 18s ease-in-out infinite alternate;
}

@keyframes auroraShift {
    0%   { opacity: 0.8; filter: hue-rotate(0deg);  }
    50%  { opacity: 1;   filter: hue-rotate(15deg); }
    100% { opacity: 0.8; filter: hue-rotate(-10deg);}
}

/* Scanline overlay */
.scanlines {
    position: fixed;
    inset: 0;
    background: repeating-linear-gradient(
        0deg,
        transparent,
        transparent 3px,
        rgba(0,0,0,0.08) 3px,
        rgba(0,0,0,0.08) 4px
    );
    pointer-events: none;
    z-index: 1;
}


header {
    position: fixed;
    top: 0; left: 0;
    width: 100%;
    z-index: 9999;
    pointer-events: none; /* let clicks pass through the header box itself */
}

/* But the navbar inside IS clickable */
.navbar {
    pointer-events: auto;
}

/* Canvas and scanlines sit at z-index 0/1 — page content auto-stacks above */
#grid-canvas { z-index: 0; }
.scanlines   { z-index: 1; }

/* Hidden sections never block clicks */
#about-section {
    pointer-events: none;
}
#about-section[style*="block"] {
    pointer-events: auto;
}
#home-section[style*="none"] {
    pointer-events: none;
}

/* ─── NAVBAR ─────────────────────────────────────────────── */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 36px;
    position: fixed;
    top: 0; left: 0;
    width: 100%;
    z-index: 9999;
    pointer-events: auto;
    background: rgba(2, 13, 8, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(0,255,204,0.18);
    transition: box-shadow .3s;
}

.navbar.scrolled {
    box-shadow: 0 4px 32px rgba(0,255,204,0.12);
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 8px;
}

.nav-links a {
    text-decoration: none;
    font-family: var(--font-mono);
    font-size: 17px;
    color: var(--muted);
    padding: 7px 18px;
    border-radius: 4px;
    border: 1px solid transparent;
    transition: .25s;
    letter-spacing: .5px;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--teal);
    border-color: rgba(0,255,204,0.3);
    background: var(--teal-dim);
}

.logo {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.logo-text {
    font-family: var(--font-head);
    font-size: 17px;
    letter-spacing: 1px;
    color: var(--white);
}

.r { color: var(--red); }
.academy { color: var(--teal); }

/* ─── HAMBURGER ─────────────────────────────────────────── */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 4px;
}

.hamburger span {
    display: block;
    width: 24px; height: 2px;
    background: var(--teal);
    border-radius: 2px;
    transition: .3s;
}

/* ─── HERO ───────────────────────────────────────────────── */
.hero {
    display: flex;
    align-items: stretch;
    justify-content: space-between;
    padding: 80px 5% 60px;
    min-height: 60vh;
    gap: 40px;
    /* Prevent invisible padding area blocking navbar clicks */
    pointer-events: none;
}

/* Re-enable clicks on actual hero content children */
.hero > * {
    pointer-events: auto;
}

.hero-text { max-width: 520px; }

.hero-eyebrow {
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--teal);
    letter-spacing: 3px;
    text-transform: uppercase;
    margin-top: 50px;
    opacity: .8;
}

.hero-text h1 {
    font-family: var(--font-head);
    font-size: clamp(32px, 5vw, 58px);
    line-height: 1.1;
    color: var(--white);
    margin-bottom: 22px;
}

.hero-text h1 span {
    color: var(--teal);
    text-shadow: 0 0 24px rgba(0,255,204,0.5);
}

.hero-text p {
    font-size: 17px;
    line-height: 1.75;
    color: var(--muted);
    margin-bottom: 32px;
}

.hero-btns { display: flex; gap: 14px; flex-wrap: wrap; }

.btn-primary {
    font-family: var(--font-mono);
    font-size: 13px;
    letter-spacing: 1px;
    padding: 13px 28px;
    border-radius: 4px;
    background: linear-gradient(135deg, #00c896, var(--teal));
    color: #020d08;
    text-decoration: none;
    font-weight: bold;
    transition: .25s;
    border: none;
    cursor: pointer;
}

.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,255,204,0.35); }

.btn-ghost {
    font-family: var(--font-mono);
    font-size: 13px;
    letter-spacing: 1px;
    padding: 13px 28px;
    border-radius: 4px;
    background: transparent;
    color: var(--teal);
    text-decoration: none;
    border: 1px solid rgba(0,255,204,0.4);
    transition: .25s;
}

.btn-ghost:hover { background: var(--teal-dim); }

/* Glowing orb image wrapper */
.hero-image {
    position: relative;
    flex: 0 0 40%;
    min-height: 300%;
    max-height: 380px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-left: 60px;
    margin-right: 0;
}


.hero-image::before {
    content: '';
    position: absolute;
    inset: 0;
    background-color: white;
    border-radius: 12px;
    border: 2px solid rgba(0,255,204,0.6);
    box-shadow: 
        0 0 15px rgba(0,255,204,0.5),
        0 0 30px rgba(0,255,204,0.3),
        0 0 50px rgba(0,255,204,0.15);
}

.hero-image img {
    width: 300px;
    height: 200px;
    max-width: 100%;
    object-fit: contain;
    position: relative;
    filter: drop-shadow(0 0 40px rgba(0,255,204,0.4));
}

@media (max-width: 768px) {
    .hero {
        flex-direction: column;
        padding: 40px 6% 30px;
        min-height: auto;
        align-items: stretch;
    }

    .hero-image {
        width: 90%;
        max-width: 90%;
        margin-left: auto;
        margin-right: auto;
        min-height: 160px;
        margin-top: 24px;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .hero-image::before {
        inset: 0;            /* fills full width with only the 6% page padding as gap */
    }

    .hero-image img {
        width: 50%;          /* centered logo inside the box */
        height: auto;
    }
}

/* ─── STATS BAR ──────────────────────────────────────────── */
.stats-bar {
    display: flex;
    justify-content: center;
    gap: 0;
    border-top: 1px solid rgba(0,255,204,0.12);
    border-bottom: 1px solid rgba(0,255,204,0.12);
    background: rgba(0,255,204,0.03);
}

.stat-item {
    flex: 1;
    max-width: 220px;
    padding: 28px 20px;
    text-align: center;
    border-right: 1px solid rgba(0,255,204,0.1);
}

.stat-item:last-child { border-right: none; }

.stat-num {
    font-family: var(--font-head);
    font-size: 32px;
    color: var(--teal);
    text-shadow: 0 0 18px rgba(0,255,204,0.4);
}

.stat-label {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--muted);
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-top: 4px;
}

/* ─── ABOUT SECTION ─────────────────────────────────────── */
.about-section {
    display: none;
    pointer-events: none;
    padding: 60px 8%;
    max-width: 1100px;
    margin: 0 auto;
}

.section-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 48px;
}

.section-header h1 {
    font-family: var(--font-head);
    font-size: 36px;
    color: var(--white);
}

.section-header .line {
    flex: 1;
    height: 1px;
    background: linear-gradient(to right, rgba(0,255,204,0.4), transparent);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    margin-bottom: 48px;
}

.about-card {
    background: var(--card-bg);
    border: 1px solid rgba(0,255,204,0.12);
    border-radius: 12px;
    padding: 32px;
    backdrop-filter: blur(8px);
}

.about-card h2 {
    font-family: var(--font-head);
    font-size: 16px;
    color: var(--teal);
    letter-spacing: 2px;
    margin-bottom: 16px;
    text-transform: uppercase;
}

.about-card p {
    font-size: 16px;
    line-height: 1.8;
    color: var(--muted);
}

/* Founder card — full width */
.founder-card {
    grid-column: 1 / -1;
    display: flex;
    gap: 36px;
    align-items: flex-start;
    background: var(--card-bg);
    border: 1px solid rgba(0,255,204,0.18);
    border-radius: 12px;
    padding: 36px;
    position: relative;
    overflow: hidden;
}

.founder-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 4px; height: 100%;
    background: linear-gradient(to bottom, var(--teal), var(--green));
}

.founder-avatar {
    width: 90px; height: 90px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--green), var(--teal));
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-head);
    font-size: 28px;
    color: var(--bg);
    flex-shrink: 0;
    box-shadow: 0 0 24px rgba(0,255,204,0.3);
}

.founder-info h2 {
    font-family: var(--font-head);
    font-size: 22px;
    color: var(--white);
    margin-bottom: 4px;
}

.founder-info .role {
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--teal);
    letter-spacing: 2px;
    margin-bottom: 16px;
}

.founder-info p {
    font-size: 16px;
    line-height: 1.8;
    color: var(--muted);
    max-width: 700px;
}

.founder-timeline {
    display: flex;
    gap: 20px;
    margin-top: 20px;
    flex-wrap: wrap;
}

.timeline-item {
    background: rgba(0,255,204,0.06);
    border: 1px solid rgba(0,255,204,0.15);
    border-radius: 6px;
    padding: 10px 16px;
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--teal);
}

.timeline-item span {
    display: block;
    color: var(--muted);
    margin-top: 2px;
    font-size: 11px;
}

.back-btn {
    font-family: var(--font-mono);
    font-size: 13px;
    background: transparent;
    color: var(--teal);
    border: 1px solid rgba(0,255,204,0.35);
    padding: 10px 22px;
    border-radius: 4px;
    cursor: pointer;
    margin-bottom: 40px;
    transition: .25s;
    letter-spacing: .5px;
}

.back-btn:hover { background: var(--teal-dim); }

/* ─── TAB NAV ────────────────────────────────────────────── */
.tab-nav {
    display: flex;
    justify-content: center;
    padding: 32px 20px 0;
    position: relative;
}

.tab-nav::after {
    content: '';
    position: absolute;
    bottom: 0; left: 10%; right: 10%;
    height: 1px;
    background: rgba(0,255,204,0.1);
}

.tab-nav ul {
    list-style: none;
    display: flex;
    gap: 4px;
    background: rgba(0,255,204,0.04);
    border: 1px solid rgba(0,255,204,0.12);
    border-radius: 8px;
    padding: 4px;
}

.tab-nav a {
    display: block;
    text-decoration: none;
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: 1px;
    color: var(--muted);
    padding: 9px 22px;
    border-radius: 6px;
    transition: .2s;
    white-space: nowrap;
}

.tab-nav a:hover { color: var(--teal); background: var(--teal-dim); }

.tab-nav a.active {
    color: var(--bg);
    background: linear-gradient(135deg, var(--green), var(--teal));
    font-weight: bold;
}

/* ─── TAB CONTENT ────────────────────────────────────────── */
.sub-pages { padding: 36px 8%; }

.sub-page { display: none; }
.sub-page.active { display: block; }
.sub-page {
    scroll-margin-top: 90px;
}
.tab-title {
    font-family: var(--font-head);
    font-size: 28px;
    color: var(--white);
    margin-bottom: 28px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.tab-title::after {
    content: '';
    flex: 1;
    height: 1px;
    background: linear-gradient(to right, rgba(0,255,204,0.3), transparent);
}

/* ─── ARTICLE CARDS ──────────────────────────────────────── */
.article-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 24px;
}

.article-card {
    display: block;
    text-decoration: none;
    color: var(--white);
    background: var(--card-bg);
    border: 1px solid rgba(0,255,204,0.1);
    border-top: 2px solid transparent;
    border-radius: 12px;
    overflow: hidden;
    position: relative;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    transition: transform .3s, box-shadow .3s, border-color .3s;
}

/* Glowing top accent line */
.article-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--green), var(--teal), var(--green));
    background-size: 200% 100%;
    opacity: 0;
    transition: opacity .3s;
    animation: shimmer 3s linear infinite;
}

@keyframes shimmer {
    0%   { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* Teal glow overlay on hover */
.article-card::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
        160deg,
        rgba(0,255,204,0.07) 0%,
        rgba(34,197,94,0.06) 50%,
        transparent 100%
    );
    opacity: 0;
    transition: opacity .3s;
    pointer-events: none;
}

.article-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 48px rgba(0,255,204,0.15), 0 0 0 1px rgba(0,255,204,0.2);
}

.article-card:hover::before { opacity: 1; }
.article-card:hover::after  { opacity: 1; }

.card-thumb {
    position: relative;
    height: 155px;
    overflow: hidden;
}

.card-thumb img {
    width: 100%; height: 100%;
    object-fit: cover;
    transition: transform .4s;
    filter: brightness(.9) saturate(.85);
}

.article-card:hover .card-thumb img {
    transform: scale(1.05);
    filter: brightness(1) saturate(1.1);
}

/* "READ" pill on hover */
.card-thumb::after {
    content: 'READ →';
    position: absolute;
    bottom: 10px; right: 12px;
    background: rgba(0,255,204,0.85);
    color: var(--bg);
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 2px;
    padding: 4px 10px;
    border-radius: 20px;
    opacity: 0;
    transform: translateY(6px);
    transition: .3s;
}

.article-card:hover .card-thumb::after {
    opacity: 1;
    transform: translateY(0);
}

.card-body {
    padding: 18px 18px 20px;
}

.card-meta {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 10px;
}

.card-date {
    font-family: var(--font-mono);
    font-size: 10px;
    color: var(--teal);
    letter-spacing: 1px;
    opacity: .7;
}

.card-tag {
    font-family: var(--font-mono);
    font-size: 9px;
    background: rgba(0,255,204,0.1);
    color: var(--teal);
    border: 1px solid rgba(0,255,204,0.2);
    padding: 2px 8px;
    border-radius: 20px;
    letter-spacing: 1px;
}

.card-body h3 {
    font-family: var(--font-body);
    font-size: 15px;
    font-weight: 700;
    line-height: 1.5;
    color: var(--white);
    margin-bottom: 8px;
}

.card-body p {
    font-size: 13px;
    color: var(--muted);
    font-family: var(--font-mono);
}
/*________________sort bar design_____________________*/

.sort-control {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
    font-family: var(--font-mono);
    font-size: 13px;
    color: var(--muted);

}

.sort-control select {
    background: var(--card-bg);
    color: var(--teal);
    border: 1px solid rgba(0,255,204,0.25);
    border-radius: 6px;
    padding: 6px 12px;
    font-family: var(--font-mono);
    font-size: 13px;
    cursor: pointer;
    outline: none;
    transition: border-color .2s;
}

.sort-control select:hover,
.sort-control select:focus {
    border-color: rgba(0,255,204,0.5);
}

.sort-control select option {
    background: var(--card-bg);
    color: var(--white);
}

/* ─── VIDEO GRID ─────────────────────────────────────────── */
.video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(480px, 1fr));
    gap: 24px;
}

.video-wrap {
    aspect-ratio: 16/9;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid rgba(0,255,204,0.12);
}

.video-wrap iframe {
    width: 100%; height: 100%;
    border: none;
}

/* ─── LINKEDIN TAB ────────────────────────────────────────── */
.linkedin-block {
    display: flex;
    align-items: center;
    gap: 20px;
    background: var(--card-bg);
    border: 1px solid rgba(0,255,204,0.12);
    border-radius: 12px;
    padding: 28px 32px;
    max-width: 480px;
    text-decoration: none;
    transition: .25s;
}

.linkedin-block:hover {
    border-color: rgba(0,255,204,0.35);
    box-shadow: 0 8px 28px rgba(0,255,204,0.1);
}

.linkedin-block img { width: 48px; height: 48px; border-radius: 8px; }

.linkedin-block .li-text h3 {
    font-family: var(--font-head);
    font-size: 16px;
    color: var(--white);
    margin-bottom: 4px;
}

.linkedin-block .li-text p {
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--teal);
}

/* ─── JOIN US TAB ─────────────────────────────────────────── */
.join-block {
    display: flex;
    gap: 40px;
    align-items: flex-start;
    flex-wrap: wrap;
}

.join-block p {
    font-size: 17px;
    color: var(--muted);
    line-height: 1.7;
    max-width: 360px;
    margin-top: 0;
}

.qr-wrap {
    background: white;
    border-radius: 12px;
    padding: 12px;
    display: inline-block;
}

.qr-wrap img { width: 200px; display: block; border-radius: 6px; }

/* ─── FOOTER ─────────────────────────────────────────────── */
footer {
    margin-top: 80px;
    padding: 48px 8% 32px;
    border-top: 1px solid rgba(0,255,204,0.12);
    background: rgba(0,255,204,0.02);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand .logo-text {
    font-size: 18px;
    display: inline-block;
    margin-bottom: 14px;
}

.footer-brand p {
    font-size: 14px;
    color: var(--muted);
    line-height: 1.7;
    max-width: 260px;
}

.footer-col h4 {
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 2px;
    color: var(--teal);
    text-transform: uppercase;
    margin-bottom: 16px;
    padding-bottom: 8px;
    border-bottom: 1px solid rgba(0,255,204,0.1);
}

.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }

.footer-col a {
    text-decoration: none;
    font-size: 14px;
    color: var(--muted);
    font-family: var(--font-body);
    transition: .2s;
    display: flex;
    align-items: center;
    gap: 6px;
}

.footer-col a::before {
    content: '›';
    color: var(--teal);
    font-size: 16px;
    opacity: 0;
    transform: translateX(-4px);
    transition: .2s;
}

.footer-col a:hover { color: var(--teal); padding-left: 4px; }
.footer-col a:hover::before { opacity: 1; transform: translateX(0); }

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 24px;
    border-top: 1px solid rgba(0,255,204,0.08);
    flex-wrap: wrap;
    gap: 12px;
}

.footer-bottom p {
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--muted);
    opacity: .6;
}

.footer-tag {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--teal);
    border: 1px solid rgba(0,255,204,0.2);
    padding: 4px 12px;
    border-radius: 20px;
}

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

    .nav-links {
        display: none;
        flex-direction: column;
        position: fixed;
        top: 68px; left: 0;
        width: 100%;
        background: rgba(2,13,8,0.97);
        padding: 16px 20px 24px;
        border-bottom: 1px solid rgba(0,255,204,0.15);
        z-index: 9998;
        pointer-events: auto;
    }

    .nav-links.open { display: flex; }

    .hero {
        flex-direction: column;
        text-align: center;
        padding: 50px 6% 40px;
        min-height: auto;
    }

    .hero-btns { justify-content: center; }
    .hero-image { margin-top: 20px; }
    .hero-image img { width: 180px; }

    .stats-bar { flex-wrap: wrap; }
    .stat-item { min-width: 50%; border-right: none; border-bottom: 1px solid rgba(0,255,204,0.1); }

    .about-grid { grid-template-columns: 1fr; }
    .founder-card { flex-direction: column; }

    .tab-nav ul { flex-wrap: wrap; justify-content: center; }
    .sub-pages { padding: 24px 5%; }

    .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }    .footer-brand { grid-column: 1 / -1; }

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


/* ─── TOOLS TAB ──────────────────────────────────────────── */

.tools-intro {
    font-family: var(--font-mono);
    font-size: 14px;
    color: var(--muted);
    margin-bottom: 28px;
    letter-spacing: 0.3px;
}

.tools-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
@media (max-width: 992px) {
    .tools-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .tools-grid {
        grid-template-columns: 1fr;
    }
}

.tool-card {
    display: flex;
    gap: 18px;
    align-items: flex-start;
    text-decoration: none;
    color: var(--white);
    background: var(--card-bg);
    border: 1px solid rgba(0,255,204,0.1);
    border-radius: 12px;
    padding: 24px;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    transition: transform .25s, box-shadow .25s, border-color .25s;
    position: relative;
    overflow: hidden;
}

/* shimmer top line on hover */
.tool-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--green), var(--teal), var(--green));
    background-size: 200% 100%;
    opacity: 0;
    transition: opacity .3s;
    animation: shimmer 3s linear infinite;
}

.tool-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 14px 40px rgba(0,255,204,0.13), 0 0 0 1px rgba(0,255,204,0.2);
    border-color: rgba(0,255,204,0.2);
}

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

.tool-icon {
    font-size: 28px;
    flex-shrink: 0;
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0,255,204,0.08);
    border: 1px solid rgba(0,255,204,0.15);
    border-radius: 10px;
}

.tool-body { flex: 1; }

.tool-tag {
    font-family: var(--font-mono);
    font-size: 9px;
    letter-spacing: 2px;
    color: var(--teal);
    background: rgba(0,255,204,0.08);
    border: 1px solid rgba(0,255,204,0.2);
    padding: 2px 8px;
    border-radius: 20px;
    display: inline-block;
    margin-bottom: 8px;
}

.tool-body h3 {
    font-family: var(--font-head);
    font-size: 16px;
    color: var(--white);
    margin-bottom: 8px;
    transition: color .2s;
}

.tool-card:hover .tool-body h3 { color: var(--teal); }

.tool-body p {
    font-size: 13px;
    color: var(--muted);
    line-height: 1.65;
    margin-bottom: 14px;
}

.tool-link {
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 1px;
    color: var(--teal);
    opacity: 0.7;
    transition: opacity .2s;
}

.tool-card:hover .tool-link { opacity: 1; }

@media (max-width: 768px) {
    .tools-grid { grid-template-columns: 1fr; }
}
/*_________________________________________________design for about us tab link buttons____________________________________________*/
.founder-links {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-top: 20px;
}

.founder-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 9px 18px;
    border-radius: 24px;
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-decoration: none;
    color: var(--white);
    transition: transform .2s, box-shadow .2s;
}

.founder-link:hover {
    transform: translateY(-2px);
}

.link-github {
    background: #1a1a1a;
    border: 1px solid rgba(255,255,255,0.15);
}
.link-github:hover { box-shadow: 0 4px 16px rgba(255,255,255,0.15); }

.link-linkedin {
    background: #0a66c2;
}
.link-linkedin:hover { box-shadow: 0 4px 16px rgba(10,102,194,0.5); }

.link-instagram {
    background: linear-gradient(45deg, #f09433, #e6683c, #dc2743, #cc2366, #bc1888);
}
.link-instagram:hover { box-shadow: 0 4px 16px rgba(220,39,67,0.5); }

.link-email {
    background: #ff3333;
}
.link-email:hover { box-shadow: 0 4px 16px rgba(255,51,51,0.5); }

.link-medium {
    background: #000000;
    border: 1px solid rgba(255,255,255,0.15);
}
.link-medium:hover { box-shadow: 0 4px 16px rgba(255,255,255,0.15); }

.link-twitter {
    background: #000000;
    border: 1px solid rgba(255,255,255,0.15);
}
.link-twitter:hover { box-shadow: 0 4px 16px rgba(255,255,255,0.15); }


/* ─── CONTACT US TAB ─────────────────────────────────────── */


.sessions-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin-bottom: 28px;
}

@media (max-width: 768px) {
    .sessions-row { grid-template-columns: 1fr; }
}

.contact-card {
    background: var(--card-bg);
    border: 1px solid rgba(0,255,204,0.15);
    border-radius: 12px;
    padding: 32px;
}

.contact-card-title {
    font-family: var(--font-head);
    font-size: 20px;
    color: var(--white);
    margin-bottom: 8px;
}

.contact-card-sub {
    font-size: 14px;
    color: var(--muted);
    margin-bottom: 24px;
}

/* form */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.contact-form label {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--teal);
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-top: 12px;
}

.contact-form input,
.contact-form textarea {
    background: rgba(0,255,204,0.04);
    border: 1px solid rgba(0,255,204,0.2);
    border-radius: 8px;
    padding: 10px 14px;
    color: var(--white);
    font-family: var(--font-body);
    font-size: 14px;
    resize: vertical;
    outline: none;
    transition: border-color .2s;
}

.contact-form input:focus,
.contact-form textarea:focus {
    border-color: rgba(0,255,204,0.6);
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
    color: rgba(255,255,255,0.3);
}

.contact-submit {
    margin-top: 20px;
    align-self: flex-start;
    border: none;
    cursor: pointer;
}

/* mentor card */
.mentor-card {
    position: relative;
    border-color: rgba(0,255,204,0.3);
}

.mentor-badge {
    display: inline-block;
    background: var(--teal-dim);
    color: var(--teal);
    border: 1px solid rgba(0,255,204,0.4);
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 2px;
    padding: 4px 12px;
    border-radius: 20px;
    margin-bottom: 14px;
}

.mentor-meta {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin: 18px 0 22px;
    padding: 16px;
    background: rgba(0,255,204,0.04);
    border-radius: 8px;
    border: 1px solid rgba(0,255,204,0.1);
}

.mentor-meta-item {
    display: flex;
    justify-content: space-between;
    font-size: 13px;
}

.meta-label {
    color: var(--muted);
    font-family: var(--font-mono);
}

.meta-value {
    color: var(--white);
    font-weight: 600;
}

.mentor-subhead {
    font-family: var(--font-head);
    font-size: 15px;
    color: var(--teal);
    margin-bottom: 10px;
}

.mentor-desc {
    font-size: 14px;
    line-height: 1.7;
    color: var(--muted);
    margin-bottom: 22px;
}

.mentor-pricing {
    display: flex;
    gap: 14px;
    margin-bottom: 14px;
}

.price-item {
    flex: 1;
    text-align: center;
    background: rgba(0,255,204,0.06);
    border: 1px solid rgba(0,255,204,0.2);
    border-radius: 8px;
    padding: 12px;
}

.price-label {
    display: block;
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--muted);
    margin-bottom: 4px;
}

.price-value {
    display: block;
    font-family: var(--font-head);
    font-size: 20px;
    color: var(--teal);
}

.mentor-footnote {
    font-size: 12px;
    color: var(--muted);
    font-style: italic;
    margin-bottom: 20px;
}

.mentor-book-btn {
    display: inline-block;
    text-decoration: none;
    text-align: center;
}


/* ── BOOK SESSION PAGE ─────────────────────────────────── */
.session-page {
    min-height: 100vh;
    padding: 100px 8% 80px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.session-page-header {
    text-align: left;
    max-width: 680px;
    margin-bottom: 24px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.session-page-eyebrow {
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 3px;
    color: var(--teal);
    opacity: .7;
    margin-bottom: 14px;
}

.session-page-title {
    font-family: var(--font-head);
    font-size: clamp(32px, 5vw, 52px);
    color: var(--white);
    margin-bottom: 16px;
    line-height: 1.1;
}

.session-page-sub {
    font-family: var(--font-mono);
    font-size: 14px;
    color: var(--muted);
    line-height: 1.7;
    margin-bottom: 24px;
}

.overview-pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: 1px;
    color: var(--teal);
    border: 1px solid rgba(0,255,204,0.35);
    background: rgba(0,255,204,0.06);
    padding: 9px 18px;
    border-radius: 6px;
    text-decoration: none;
    transition: .2s;
    align-self: center;
    margin-top: 34px;
}

.overview-pill:hover {
    background: rgba(0,255,204,0.12);
    border-color: rgba(0,255,204,0.6);
    box-shadow: 0 0 16px rgba(0,255,204,0.2);
}

/* ── Cards Grid ────────────────────────────────────────── */
.session-cards-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    width: 100%;
}

.session-card {
    background: var(--card-bg);
    border: 1px solid rgba(0,255,204,0.12);
    border-radius: 14px;
    padding: 28px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    position: relative;
    overflow: hidden;
    transition: transform .25s, box-shadow .25s, border-color .25s;
}

.session-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--green), var(--teal), var(--green));
    background-size: 200% 100%;
    opacity: 0;
    transition: opacity .3s;
    animation: shimmer 3s linear infinite;
}

.session-card:not(.session-card--bonus):hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 40px rgba(0,255,204,0.12);
    border-color: rgba(0,255,204,0.25);
}

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

.session-card-title {
    font-family: var(--font-head);
    font-size: 16px;
    color: var(--white);
    line-height: 1.4;
}

.session-card-meta {
    display: flex;
    gap: 14px;
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--muted);
}

.session-card-desc {
    font-size: 13px;
    line-height: 1.7;
    color: var(--muted);
    flex: 1;
}

/* ── BONUS card wrapper ─────────────────────────────────── */
.bonus-card-wrapper {
    position: relative;
    border-radius: 14px;
    border: 1.5px solid rgba(0,255,204,0.8);
    box-shadow:
        0 0 8px rgba(0,255,204,0.6),
        0 0 20px rgba(0,255,204,0.3),
        0 0 40px rgba(0,255,204,0.12);
    animation: bonusNeonPulse 2.5s ease-in-out infinite;
}

@keyframes bonusNeonPulse {
    0%, 100% {
        box-shadow:
            0 0 8px rgba(0,255,204,0.6),
            0 0 20px rgba(0,255,204,0.3),
            0 0 40px rgba(0,255,204,0.12);
        border-color: rgba(0,255,204,0.8);
    }
    50% {
        box-shadow:
            0 0 12px rgba(0,255,204,0.9),
            0 0 30px rgba(0,255,204,0.5),
            0 0 60px rgba(0,255,204,0.2);
        border-color: rgba(0,255,204,1);
    }
}

.bonus-card-wrapper:hover {
    transform: translateY(-6px);
    box-shadow:
        0 0 16px rgba(0,255,204,1),
        0 0 40px rgba(0,255,204,0.6),
        0 0 80px rgba(0,255,204,0.25);
}

.session-cards-grid{
    padding: 30px;
}


/* ── Mobile ────────────────────────────────────────────── */
@media (max-width: 900px) {
    .session-cards-grid {
        grid-template-columns: 1fr;
        max-width: 440px;
    }
}

@media (max-width: 600px) {
    .session-page { padding: 80px 5% 60px; }
}