/* ============================================================
   Engicam Brand — ATENYS-inspired Material Theme Overrides
   ============================================================ */

:root {
    /* ── Engicam blue palette (ATENYS aesthetic) ────────────*/
    --bg-deep:          #f5f8ff;
    --bg-mid:           #e8effe;
    --bg-card:          #ffffff;
    --border:           rgba(0, 80, 180, 0.1);
    --blue:             #1a56db;
    --blue-dim:         #1447c0;
    --blue-light:       #3b82f6;
    --cyan:             #0ea5e9;
    --engicam-red:      #e31e24;
    --text-primary:     #0d1526;
    --text-secondary:   #6b7280;
    --radius:           14px;

    /* ── Gradient shortcuts ─────────────────────────────────*/
    --gradient-primary: linear-gradient(135deg, var(--blue), var(--blue-dim));
    --gradient-title:   linear-gradient(135deg, #1a56db 0%, #0ea5e9 60%, #38bdf8 100%);
    --gradient-hero:    linear-gradient(135deg, #1447c0 0%, #1a56db 50%, #0ea5e9 100%);
    --glow-shadow:      0 0 28px rgba(26, 86, 219, 0.32);
    --glow-shadow-hover:0 0 42px rgba(26, 86, 219, 0.50);

    /* ── Platform accent colors ─────────────────────────────*/
    --accent-nxp:       #6fba2c;
    --accent-st:        #3cb4e7;
    --accent-rockchip:  #e83e8c;
    --accent-hailo:     #7c3aed;
    --accent-ti:        #cc0000;
    --accent-mediatek:  #0080ff;
    --accent-renesas:   #ee2c2c;

    /* ── Material theme ─────────────────────────────────────*/
    --md-primary-fg-color:        var(--blue);
    --md-primary-fg-color--light: var(--blue-light);
    --md-primary-fg-color--dark:  var(--blue-dim);
    --md-primary-bg-color:        #ffffff;
    --md-accent-fg-color:         var(--cyan);

    /* ── Legacy aliases used inside markdown ────────────────*/
    --card-bg:           var(--bg-card);
    --card-border:       var(--border);
    --card-shadow:       rgba(26, 86, 219, 0.07);
    --card-hover-shadow: rgba(26, 86, 219, 0.14);
    --engicam-blue:      var(--blue);
    --engicam-blue-light:var(--blue-light);
    --engicam-accent:    var(--cyan);
}

/* ── Scroll progress bar ─────────────────────────────────── */
#scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    width: 0%;
    background: linear-gradient(90deg, var(--blue), var(--cyan));
    z-index: 9999;
    pointer-events: none;
    transition: width 0.08s linear;
}

/* ── Custom scrollbar (Chromium) ─────────────────────────── */
::-webkit-scrollbar { width: 7px; }
::-webkit-scrollbar-track { background: var(--bg-deep); }
::-webkit-scrollbar-thumb { background: var(--blue); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--blue-dim); }


/* ── Card title gradient + platform icon ─────────────────── */
.product-card:has(.card-accent.nxp)      .card-content h3,
.product-card:has(.card-accent.st)       .card-content h3,
.product-card:has(.card-accent.hailo)    .card-content h3,
.product-card:has(.card-accent.rockchip) .card-content h3 {
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    font-size: 1.35rem;
    letter-spacing: -0.02em;
}

.product-card:has(.card-accent.nxp) .card-content h3 {
    background-image: linear-gradient(135deg, #3a8a05 0%, #6fba2c 55%, #aadc6a 100%);
}

.product-card:has(.card-accent.st) .card-content h3 {
    background-image: linear-gradient(135deg, #0369a1 0%, #3cb4e7 55%, #7dd3fc 100%);
}

.product-card:has(.card-accent.hailo) .card-content h3 {
    background-image: linear-gradient(135deg, #5b21b6 0%, #7c3aed 55%, #a78bfa 100%);
}

.product-card:has(.card-accent.rockchip) .card-content h3 {
    background-image: linear-gradient(135deg, #9d174d 0%, #e83e8c 55%, #f9a8d4 100%);
}

/* Platform icon chip */
.picon {
    display: inline-block;
    width: 13px;
    height: 13px;
    border-radius: 3px;
    vertical-align: middle;
    margin-right: 0.45rem;
    margin-bottom: 2px;
    flex-shrink: 0;
}

.picon.nxp {
    background: var(--accent-nxp);
    box-shadow: 0 0 8px rgba(111, 186, 44, 0.6), 0 0 16px rgba(111, 186, 44, 0.25);
}

.picon.st {
    background: var(--accent-st);
    box-shadow: 0 0 8px rgba(60, 180, 231, 0.6), 0 0 16px rgba(60, 180, 231, 0.25);
}

.picon.hailo {
    background: var(--accent-hailo);
    box-shadow: 0 0 8px rgba(124, 58, 237, 0.6), 0 0 16px rgba(124, 58, 237, 0.25);
}

.picon.rockchip {
    background: var(--accent-rockchip);
    box-shadow: 0 0 8px rgba(232, 62, 140, 0.6), 0 0 16px rgba(232, 62, 140, 0.25);
}

/* ── Search bar ──────────────────────────────────────────── */
.md-search__form {
    border-radius: 2rem;
    transition: box-shadow 0.25s;
}

.md-search__form:focus-within {
    box-shadow: 0 0 0 3px rgba(26, 86, 219, 0.18), 0 4px 20px rgba(26, 86, 219, 0.10);
}

.md-search__output {
    border-radius: 1rem;
    overflow: hidden;
    margin-top: 0.3rem;
    box-shadow: 0 12px 40px rgba(26, 86, 219, 0.14);
}

.md-search-result mark {
    background: rgba(14, 165, 233, 0.15);
    color: var(--blue);
    border-radius: 3px;
    padding: 0 2px;
}

.md-search-result__title { color: var(--blue); }

.md-search-result__link:hover,
.md-search-result__link:focus {
    background: var(--bg-mid) !important;
}

/* ── Tilt 3D cards ───────────────────────────────────────── */
.platform-grid { perspective: 1200px; }

.product-card { will-change: transform; }

/* Elevate content above beam and spotlight */
.card-accent,
.card-content { position: relative; z-index: 1; }

/* Parallax children — no CSS transition, mouseleave sets it inline for the return */
.product-card h3,
.product-card .tags,
.product-card .link-arrow { transition: none; }

/* Spotlight */
.product-card::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background: radial-gradient(circle at var(--mx, 50%) var(--my, 50%), rgba(255,255,255,0.09) 0%, transparent 55%);
    opacity: 0;
    transition: opacity 0.3s;
    pointer-events: none;
    z-index: 2;
}

.product-card:hover::after { opacity: 1; }

/* Border beam */
@property --beam-angle {
    syntax: "<angle>";
    initial-value: 0deg;
    inherits: false;
}

@keyframes beam-spin { to { --beam-angle: 360deg; } }

.card-beam {
    position: absolute;
    inset: 0;
    border-radius: inherit;
    padding: 1.5px;
    background: conic-gradient(
        from var(--beam-angle),
        transparent 20%,
        var(--blue) 38%,
        var(--cyan) 48%,
        transparent 65%
    );
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity 0.4s;
    pointer-events: none;
    z-index: 0;
}

.product-card:hover .card-beam {
    opacity: 1;
    animation: beam-spin 2.5s linear infinite;
}

/* ── Smooth scroll ──────────────────────────────────────── */
html { scroll-behavior: smooth; }

/* ── Subtle grid background ─────────────────────────────── */
.md-main {
    background: var(--bg-deep);
}

.md-content__inner::before {
    content: '';
    position: fixed;
    inset: 0;
    background-image:
        linear-gradient(rgba(15, 30, 60, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(15, 30, 60, 0.04) 1px, transparent 1px);
    background-size: 60px 60px;
    pointer-events: none;
    z-index: 0;
}

/* ── Navbar logo: SVG rendered white on the blue header ─── */
.md-header__button.md-logo img,
.md-header__button.md-logo svg {
    filter: brightness(0) invert(1);
    height: 28px;
    width: auto;
}

/* ── Links ──────────────────────────────────────────────── */
.md-content a {
    color: var(--blue);
}

.md-footer-copyright a {
    color: var(--cyan);
    text-decoration: none;
    transition: color 0.2s;
}

.md-footer-copyright a:hover {
    text-decoration: underline;
}

/* ── Content headings ───────────────────────────────────── */
.md-typeset h1 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    background: var(--gradient-title);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: fadeInDown 0.8s ease both;
    line-height: 1.2;
}

.md-typeset h2 {
    margin-top: 3rem;
    margin-bottom: 2rem;
    font-size: 1.8rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--text-primary);
}

.md-typeset h3 {
    color: var(--blue);
    font-weight: 600;
    margin-top: 2.5rem;
    font-size: 1.3rem;
}

@keyframes fadeInDown {
    from { opacity: 0; transform: translateY(-20px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes pulse-glow {
    0%, 100% { opacity: .6; transform: translate(-50%, -50%) scale(1); }
    50%       { opacity: 1; transform: translate(-50%, -50%) scale(1.1); }
}

/* ── Hero ───────────────────────────────────────────────── */
.hero-block {
    position: relative;
    background: var(--gradient-hero);
    border-radius: var(--radius);
    padding: 5rem 2rem;
    color: white;
    text-align: center;
    margin-bottom: 4rem;
    overflow: hidden;
    box-shadow: 0 12px 48px rgba(20, 71, 192, 0.30);
}

/* Grid overlay inside hero */
.hero-block::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.06) 1px, transparent 1px);
    background-size: 60px 60px;
    pointer-events: none;
}

/* Radial glow */
.hero-block::after {
    content: '';
    position: absolute;
    width: 800px;
    height: 800px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.08) 0%, transparent 65%);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    pointer-events: none;
    animation: pulse-glow 7s ease-in-out infinite;
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero-content h1 {
    font-size: clamp(2.2rem, 5vw, 3.5rem);
    font-weight: 900;
    margin-bottom: 1rem;
    letter-spacing: -0.03em;
    color: #ffffff !important;
    -webkit-text-fill-color: #ffffff !important;
    background: none !important;
    line-height: 1.15;
    text-align: center;
}

.hero-content p {
    font-size: 1.15rem;
    max-width: 640px;
    margin: 0 auto 2.5rem;
    color: rgba(255, 255, 255, 0.82);
    line-height: 1.65;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn-hero {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: #ffffff;
    color: var(--blue) !important;
    padding: 0.8rem 2rem;
    border-radius: 10px;
    font-weight: 700;
    font-size: 1rem;
    text-decoration: none !important;
    box-shadow: 0 4px 18px rgba(0, 0, 0, 0.2);
    transition: transform 0.2s, box-shadow 0.2s;
}

.btn-hero:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 28px rgba(0, 0, 0, 0.28);
    color: var(--blue-dim) !important;
}

.btn-hero-secondary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    border: 1.5px solid rgba(255, 255, 255, 0.55);
    color: #ffffff !important;
    padding: 0.8rem 2rem;
    border-radius: 10px;
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none !important;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(6px);
    transition: background 0.2s, border-color 0.2s;
}

.btn-hero-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: #ffffff;
    color: #ffffff !important;
}

/* ── Section titles ─────────────────────────────────────── */
.section-title {
    text-align: center;
    margin-bottom: 2.5rem;
}

.section-title h2 {
    font-size: 2rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.section-title h2::after { display: none; }

.section-title p {
    color: var(--text-secondary);
    font-size: 1.05rem;
}

.section-separator {
    height: 1px;
    background: var(--border);
    margin: 3rem auto;
    width: 60%;
}

/* ── Platform grid ──────────────────────────────────────── */
.platform-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0 4rem;
}

/* ── Product cards ──────────────────────────────────────── */
.product-card {
    background: var(--bg-card);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    overflow: hidden;
    text-decoration: none !important;
    color: inherit !important;
    display: flex;
    flex-direction: column;
    transition: transform 0.25s, border-color 0.25s, box-shadow 0.25s;
    position: relative;
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--blue), transparent);
    opacity: 0;
    transition: opacity 0.3s;
    z-index: 1;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(26, 86, 219, 0.12);
    border-color: var(--blue);
}

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

.card-accent {
    height: 4px;
    width: 100%;
}

.card-accent.nxp      { background: var(--accent-nxp); }
.card-accent.st       { background: var(--accent-st); }
.card-accent.rockchip { background: var(--accent-rockchip); }
.card-accent.hailo    { background: var(--accent-hailo); }
.card-accent.ti       { background: var(--accent-ti); }
.card-accent.mediatek { background: var(--accent-mediatek); }
.card-accent.renesas  { background: var(--accent-renesas); }

.card-content {
    padding: 2rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.card-content h3 {
    margin: 0 0 0.75rem;
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.3;
    text-align: left;
    -webkit-text-fill-color: unset;
    background: none;
    letter-spacing: -0.01em;
}

.card-content p {
    color: var(--text-secondary);
    font-size: 0.92rem;
    line-height: 1.65;
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.tags {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-bottom: 1.5rem;
}

.tags span {
    background: rgba(26, 86, 219, 0.07);
    color: var(--blue);
    border: 1px solid rgba(26, 86, 219, 0.18);
    padding: 0.2rem 0.65rem;
    border-radius: 999px;
    font-size: 0.73rem;
    font-weight: 600;
    letter-spacing: 0.02em;
}

.link-arrow {
    color: var(--blue);
    font-weight: 600;
    font-size: 0.9rem;
    margin-top: auto;
    display: inline-block;
}

.link-arrow.unavailable {
    color: var(--text-secondary);
    font-style: italic;
    font-weight: 400;
}

.product-card.coming-soon {
    opacity: 0.55;
    cursor: default;
    pointer-events: none;
}

.product-card.coming-soon:hover {
    transform: none;
    box-shadow: none;
    border-color: var(--border);
}

.coming-soon-badge {
    display: inline-block;
    background: linear-gradient(135deg, #f59e0b, #d97706);
    color: white;
    font-size: 0.68rem;
    font-weight: 700;
    padding: 0.2rem 0.65rem;
    border-radius: 999px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 1rem;
}

/* ── Resources grid ─────────────────────────────────────── */
.resources-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
}

.resource-card {
    background: transparent;
    border: 1px solid var(--border);
    padding: 1.5rem;
    border-radius: var(--radius);
    text-decoration: none !important;
    transition: all 0.25s;
}

.resource-card:hover {
    background: var(--bg-card);
    border-color: var(--blue);
    box-shadow: 0 8px 24px rgba(26, 86, 219, 0.10);
    transform: translateY(-3px);
}

.resource-card h4 {
    margin: 0 0 0.5rem;
    color: var(--blue);
    font-size: 1.05rem;
    font-weight: 700;
}

.resource-card p {
    margin: 0;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* ── Grid container ─────────────────────────────────────── */
.grid-container {
    max-width: 1200px;
    margin: 0 auto;
}

/* ── Pill link button ────────────────────────────────────── */
.btn-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.3rem 0.9rem;
    border-radius: 999px;
    border: 1.5px solid var(--blue);
    color: var(--blue) !important;
    font-size: 0.82rem;
    font-weight: 600;
    text-decoration: none !important;
    transition: background 0.2s, color 0.2s;
    margin-top: 0.4rem;
}

.btn-pill:hover {
    background: var(--blue);
    color: #fff !important;
}