/* =============================================
   Gront — Premium Dark Theme
   ============================================= */

:root {
    --bg-base: #0a0515;
    /* Deep synthwave dark background */
    --surface: rgba(15, 10, 30, 0.55);
    --surface-hover: rgba(25, 15, 45, 0.65);
    --surface-glass: rgba(10, 5, 20, 0.75);
    --text: #ffffff;
    --text-2: #c4b5fd;
    --text-3: #8b5cf6;
    --border: rgba(255, 255, 255, 0.1);
    --border-light: rgba(255, 255, 255, 0.2);

    /* Gradients & Accents */
    --accent: #ff007a;
    --accent-gradient: linear-gradient(135deg, #ff007a 0%, #7928ca 100%);
    --accent-alt: linear-gradient(135deg, #00f2fe 0%, #4facfe 100%);
    --accent-hover: #ff3399;

    --radius: 16px;
    --radius-sm: 10px;
    --radius-lg: 24px;
    --radius-full: 9999px;

    --shadow-base: 0 4px 24px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 20px rgba(255, 0, 122, 0.3);
    --shadow-glow-hover: 0 0 40px rgba(255, 0, 122, 0.6);

    --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
}

body {
    font-family: var(--font);
    color: var(--text);
    background-color: var(--bg-base);
    background-image: linear-gradient(rgba(10, 5, 20, 0.6), rgba(20, 10, 35, 0.8)), url('../images/custom_bg.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    line-height: 1.65;
    overflow-x: hidden;
    position: relative;
}

/* Global Ambient Glow */
body::before {
    content: '';
    position: fixed;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 50% 50%, rgba(255, 0, 122, 0.08), rgba(121, 40, 202, 0.05), transparent 60%);
    z-index: -1;
    pointer-events: none;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

button {
    cursor: pointer;
    border: none;
    background: none;
    font-family: inherit;
}

.container {
    max-width: 1080px;
    margin: 0 auto;
    padding: 0 24px;
}

/* =============================================
   NAVBAR
   ============================================= */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: var(--surface-glass);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
    transition: all 0.3s var(--ease);
}

.nav.scrolled {
    background: rgba(3, 4, 7, 0.85);
    border-bottom-color: var(--border-light);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
}

.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 800;
    font-size: 1.25rem;
    letter-spacing: -0.02em;
    color: white;
}

.brand-dot {
    width: 12px;
    height: 12px;
    background: var(--accent-gradient);
    border-radius: 50%;
    box-shadow: var(--shadow-glow);
}

.nav-links {
    display: flex;
    gap: 12px;
}

.nav-link {
    padding: 8px 20px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-2);
    border-radius: var(--radius-full);
    transition: all 0.3s var(--ease);
}

.nav-link:hover {
    color: white;
    background: var(--surface);
}

.nav-link-active {
    color: white !important;
    background: var(--surface-hover);
    box-shadow: inset 0 0 0 1px var(--border-light);
}

/* =============================================
   HERO (index.html)
   ============================================= */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: transparent;
    padding: 100px 0 60px;
    overflow: hidden;
}

.hero-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 600px;
    height: 600px;
    transform: translate(-50%, -50%);
    background: radial-gradient(circle, rgba(0, 242, 254, 0.15) 0%, transparent 60%);
    border-radius: 50%;
    filter: blur(80px);
    animation: pulseGlow 8s ease-in-out infinite alternate;
    pointer-events: none;
}

@keyframes pulseGlow {
    0% {
        opacity: 0.5;
        transform: translate(-50%, -50%) scale(1) rotate(0deg);
    }

    100% {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1.3) rotate(45deg);
        background: radial-gradient(circle, rgba(121, 40, 202, 0.15) 0%, transparent 60%);
    }
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
}

.hero-tag {
    display: inline-block;
    padding: 8px 24px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-full);
    color: var(--accent);
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 30px;
    letter-spacing: 0.04em;
    backdrop-filter: blur(8px);
    box-shadow: var(--shadow-glow);
}

.hero h1 {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 900;
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: 24px;
    background: linear-gradient(180deg, #ffffff 0%, #fbcfe8 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-desc {
    font-size: clamp(1.1rem, 2vw, 1.25rem);
    color: var(--text-2);
    max-width: 540px;
    margin: 0 auto 40px;
    line-height: 1.7;
}

.hero-btns {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 16px 36px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    transition: all 0.3s var(--ease);
}

.btn-white {
    background: var(--accent-gradient);
    color: #fff;
    box-shadow: var(--shadow-glow);
    border: none;
}

.btn-white:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-glow-hover);
}

.btn-outline-white {
    background: var(--surface);
    color: white;
    border: 1px solid var(--border-light);
    backdrop-filter: blur(8px);
}

.btn-outline-white:hover {
    background: var(--surface-hover);
    border-color: white;
    transform: translateY(-3px);
}

/* =============================================
   SECTIONS & TYPOGRAPHY
   ============================================= */
.section {
    padding: 100px 0;
}

.section-alt {
    background: linear-gradient(180deg, transparent 0%, rgba(255, 255, 255, 0.01) 100%);
    border-top: 1px solid var(--border);
}

.section-label {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-2);
    margin-bottom: 16px;
}

.label-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    box-shadow: 0 0 10px currentColor;
}

.physical-dot {
    background: #00f2fe;
    color: #00f2fe;
}

.digital-dot {
    background: #FF007A;
    color: #FF007A;
}

.section-title {
    font-size: clamp(2rem, 4vw, 2.8rem);
    font-weight: 800;
    letter-spacing: -0.02em;
    padding-bottom: 10px;
    margin-bottom: 14px;
    line-height: 1.2;
    background: linear-gradient(90deg, #fff 0%, #fbcfe8 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.section-desc {
    font-size: 1.1rem;
    color: var(--text-2);
    max-width: 560px;
    margin-bottom: 50px;
    line-height: 1.7;
}

/* =============================================
   CATEGORY BLOCKS (physical.html)
   ============================================= */
.category-blocks-wrapper {
    padding-top: 60px;
    padding-bottom: 100px;
}

.category-blocks {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.cat-block {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    aspect-ratio: 16 / 9;
    display: block;
    background: var(--surface);
    border: 1px solid var(--border);
    transition: all 0.5s var(--ease);
}

.cat-block img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.8s var(--ease), filter 0.8s var(--ease);
    filter: brightness(0.7) contrast(1.1);
}

.cat-block-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(3, 4, 7, 0.9) 0%, rgba(3, 4, 7, 0.2) 50%, transparent 100%);
    display: flex;
    align-items: flex-end;
    padding: 40px;
    transition: background 0.5s var(--ease);
}

.cat-block:hover {
    transform: translateY(-8px);
    border-color: var(--border-light);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.8);
}

.cat-block:hover img {
    transform: scale(1.08);
    filter: brightness(1) contrast(1.1);
}

.cat-block-overlay h3 {
    color: white;
    font-size: 2.2rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    text-shadow: 0 4px 16px rgba(0, 0, 0, 0.9);
    margin: 0;
}

/* =============================================
   PRODUCT CARDS
   ============================================= */
.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 24px;
}

.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    transition: all 0.4s var(--ease);
    display: flex;
    flex-direction: column;
}

.card:hover {
    transform: translateY(-8px);
    border-color: rgba(255, 255, 255, 0.25);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.6), inset 0 0 0 1px rgba(255, 255, 255, 0.05);
}

.card-img {
    position: relative;
    aspect-ratio: 16/10;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0.01) 100%);
    overflow: hidden;
}

.card-img img {
    transition: transform 0.6s var(--ease);
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.card:hover .card-img img {
    transform: scale(1.05);
}

.card-emoji {
    font-size: 3.5rem;
    transition: transform 0.5s var(--ease);
    display: flex;
    width: 100%;
    height: 100%;
    justify-content: center;
    align-items: center;
}

.card:hover .card-emoji {
    transform: scale(1.2) rotate(5deg);
}

.card-body {
    padding: 24px;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.card-body h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: white;
    letter-spacing: -0.01em;
}

.card-body p {
    font-size: 0.95rem;
    color: var(--text-2);
    line-height: 1.6;
    flex: 1;
    margin-bottom: 20px;
}

.card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 16px;
    border-top: 1px solid var(--border);
}

.card-price {
    font-size: 0.95rem;
    font-weight: 700;
    color: white;
}

.card-cta {
    font-size: 0.85rem;
    font-weight: 600;
    color: #00e5ff;
    padding: 6px 12px;
    background: rgba(0, 229, 255, 0.1);
    border-radius: var(--radius-full);
    transition: all 0.3s var(--ease);
}

.card:hover .card-cta {
    background: var(--accent-gradient);
    color: white;
    box-shadow: var(--shadow-glow);
}

/* =============================================
   ABOUT SECTION
   ============================================= */
.about-values {
    display: grid;
    gap: 20px;
}

.value-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    padding: 24px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    transition: all 0.3s var(--ease);
}

.value-item:hover {
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateX(10px);
    background: var(--surface-hover);
}

.value-icon {
    font-size: 1.8rem;
    margin-top: 0;
}

.value-item strong {
    display: block;
    font-size: 1.1rem;
    color: white;
    margin-bottom: 6px;
}

/* =============================================
   FOOTER
   ============================================= */
.footer {
    background: rgba(10, 5, 20, 0.85);
    backdrop-filter: blur(12px);
    padding: 60px 0 40px;
    border-top: 1px solid var(--border);
}

.footer-inner {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.footer-desc {
    color: var(--text-2);
    font-size: 0.9rem;
}

.footer-links {
    display: flex;
    gap: 28px;
}

.footer-links a {
    color: var(--text-2);
    transition: color 0.3s;
    font-weight: 500;
}

.footer-links a:hover {
    color: white;
}

.footer-bottom-text {
    border-top: 1px solid var(--border);
    padding-top: 24px;
}

.footer-bottom-text p {
    font-size: 0.8rem;
    color: var(--text-3);
}

/* =============================================
   PAGE HEADERS (Subpages)
   ============================================= */
.page-header {
    padding: 140px 0 60px;
    background: linear-gradient(180deg, rgba(79, 172, 254, 0.05) 0%, transparent 100%);
    border-bottom: 1px solid var(--border);
}

.page-header-digital {
    background: linear-gradient(180deg, rgba(121, 40, 202, 0.05) 0%, transparent 100%);
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    color: var(--text-2);
    margin-bottom: 24px;
    padding: 8px 16px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-full);
    transition: all 0.3s;
}

.back-link:hover {
    color: white;
    background: var(--surface-hover);
    border-color: var(--border-light);
}


/* ==========================================================================
   PRODUCT PROMO PAGES (The Sales Landing Layouts)
   ========================================================================== */
.promo-hero {
    position: relative;
    width: 100%;
    height: 75vh;
    min-height: 500px;
    background: #000;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.promo-hero-img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.6;
    filter: contrast(1.1);
}

.promo-hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(3, 4, 7, 0.95) 0%, rgba(3, 4, 7, 0.6) 40%, transparent 100%);
}

.promo-content {
    position: relative;
    z-index: 2;
    max-width: 650px;
    margin: 0;
    margin-left: 5%;
}

.promo-badge {
    display: inline-block;
    padding: 8px 16px;
    border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: white;
    font-weight: 700;
    font-size: 0.8rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: 24px;
}

.promo-title {
    font-size: clamp(3rem, 5vw, 4.5rem);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 24px;
    background: linear-gradient(to right, #fff, #fbcfe8);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.promo-desc {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
    margin-bottom: 40px;
}

.promo-cta-large {
    display: inline-flex;
    padding: 20px 48px;
    border-radius: var(--radius-full);
    background: var(--accent-gradient);
    color: white;
    font-weight: 800;
    font-size: 1.15rem;
    box-shadow: 0 10px 30px rgba(0, 242, 254, 0.3);
    transition: all 0.3s;
}

.promo-cta-large:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 15px 40px rgba(0, 242, 254, 0.5);
}

.promo-details {
    padding: 100px 0;
    background: transparent;
    position: relative;
}

.promo-details::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-light), transparent);
}

.promo-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 50px;
}

.promo-feature {
    background: var(--surface);
    padding: 40px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-base);
    transition: transform 0.3s;
}

.promo-feature:hover {
    transform: translateY(-5px);
    border-color: var(--border-light);
}

.promo-feature h4 {
    font-size: 1.35rem;
    color: white;
    margin-bottom: 12px;
    font-weight: 800;
}

.promo-feature p {
    color: var(--text-2);
    line-height: 1.7;
    font-size: 1rem;
}

/* Responsive adjustments */
@media (max-width: 900px) {
    .promo-hero-overlay {
        background: linear-gradient(to top, rgba(3, 4, 7, 0.95) 0%, rgba(3, 4, 7, 0.5) 100%);
    }

    .promo-content {
        text-align: center;
        margin: 0 auto;
        padding-top: 100px;
        display: flex;
        flex-direction: column;
        align-items: center;
    }

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

    .category-blocks {
        grid-template-columns: 1fr;
    }

    .nav-links {
        position: fixed;
        inset: 0;
        background: rgba(3, 4, 7, 0.98);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        transform: translateX(100%);
        transition: transform 0.4s var(--ease);
    }

    .nav-link {
        font-size: 1.2rem;
        padding: 16px 32px;
    }

    .menu-btn {
        display: flex;
        flex-direction: column;
        gap: 6px;
        z-index: 101;
    }

    .menu-btn span {
        width: 24px;
        height: 2px;
        background: white;
        transition: 0.3s;
    }
}