/* ==============================
   CSS VARIABLES – Dark Tech Luxury
============================== */
:root {
    --color-bg: #080E1A;
    --color-surface: #0F1829;
    --color-card: #111E30;
    --color-card-hover: #162336;
    --color-border: #1E2F45;
    --color-text: #C8D8E8;
    --color-text-muted: #6B8099;
    --color-text-strong: #EAF2FF;
    --color-accent: #00C2D4;
    --color-accent-hover: #00A8B8;
    --color-accent-glow: rgba(0, 194, 212, 0.15);
    --color-silver: #A0B4C8;
    --color-silver-light: #C8D8E8;
    --color-brown: #8FA8C0;
    --color-white: #ffffff;
    --color-highlight-bg: #0C1A2E;
    --font-serif: 'Cormorant Garamond', serif;
    --font-sans: 'DM Sans', sans-serif;
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 14px;
    --radius-full: 9999px;
    --shadow-sm: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 24px rgba(0, 194, 212, 0.2);
    --transition-base: 0.3s ease;
    --transition-fast: 0.2s ease;
}

/* ==============================
   BASE (class only — no tag selectors)
============================== */
.app-body {
    font-family: var(--font-sans);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
    margin: 0;
    padding: 0;
}

.app-body [class] {
    box-sizing: border-box;
}

/* ==============================
   LOADER
============================== */
.loader-wrapper {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--color-bg);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.5s ease;
}

.loader-ring {
    width: 54px;
    height: 54px;
    border-radius: 50%;
    border: 3px solid var(--color-border);
    border-top: 3px solid var(--color-accent);
    animation: spin 1s linear infinite;
    position: relative;
}

.loader-ring-inner {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--color-accent);
    opacity: 0.3;
}

.loader-text {
    color: var(--color-text-muted);
    margin-top: 20px;
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.hidden-body {
    overflow: hidden !important;
}

/* ==============================
   TYPOGRAPHY
============================== */
.serif {
    font-family: var(--font-serif);
    color: var(--color-accent);
}

.h1-text {
    font-family: var(--font-serif);
    color: var(--color-accent);
}

.h2-text {
    font-family: var(--font-serif);
    color: var(--color-accent);
}

.h3-text {
    font-family: var(--font-serif);
    color: var(--color-accent);
}

.h4-text {
    font-family: var(--font-serif);
    color: var(--color-silver-light);
}

.app-link {
    text-decoration: none;
    color: inherit;
}

.app-image {
    max-width: 100%;
    display: block;
    height: auto;
}

/* ==============================
   LAYOUT
============================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

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

/* ==============================
   ADVERTISEMENT BAR
============================== */
.top-advertisement-bar {
    background-color: #050B14;
    color: var(--color-text-muted);
    text-align: center;
    padding: 8px 15px;
    border-bottom: 1px solid var(--color-border);
}

.top-ad-text {
    font-size: 0.72rem;
    font-weight: 500;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    margin: 0;
    padding: 0;
}

/* ==============================
   NAVIGATION
============================== */
.navbar {
    background-color: rgba(8, 14, 26, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 50;
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo {
    font-weight: 600;
    font-size: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--color-accent);
    font-family: var(--font-serif);
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-link-item {
    color: var(--color-silver);
    font-weight: 500;
    font-size: 0.9rem;
    transition: color var(--transition-base);
    letter-spacing: 0.02em;
}

.nav-link-item:hover {
    color: var(--color-accent);
}

.btn-primary {
    background-color: var(--color-accent);
    color: #050B14;
    padding: 10px 24px;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 0.88rem;
    transition: background-color var(--transition-base), transform var(--transition-fast), box-shadow var(--transition-base);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: none;
    cursor: pointer;
    letter-spacing: 0.02em;
}

.btn-primary:hover {
    background-color: var(--color-accent-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
    color: #050B14;
}

.btn-block {
    display: flex;
    width: 100%;
    margin-top: 15px;
}

.hamburger-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    flex-direction: column;
    gap: 5px;
}

.hamburger-line {
    width: 25px;
    height: 2px;
    background-color: var(--color-accent);
    border-radius: 2px;
    display: block;
}

/* ==============================
   MOBILE MENU
============================== */
.mobile-menu-overlay {
    position: fixed;
    top: 0;
    right: -100%;
    width: 75%;
    height: 100vh;
    background-color: var(--color-surface);
    z-index: 2000;
    box-shadow: -5px 0 30px rgba(0, 0, 0, 0.6);
    transition: right var(--transition-base);
    display: flex;
    flex-direction: column;
    padding: 60px 30px;
    border-left: 1px solid var(--color-border);
}

.mobile-menu-overlay.menu-active {
    right: 0;
}

.close-menu-btn {
    background: none;
    border: none;
    font-size: 2.5rem;
    position: absolute;
    top: 20px;
    right: 20px;
    cursor: pointer;
    color: var(--color-silver);
    line-height: 1;
}

.mobile-nav-links {
    display: flex;
    flex-direction: column;
    gap: 25px;
    margin-top: 20px;
}

.mobile-nav-link {
    text-decoration: none;
    font-size: 1.2rem;
    color: var(--color-accent);
    font-weight: 500;
}

/* ==============================
   BANNER
============================== */
.banner {
    background: linear-gradient(90deg, #050E1C 0%, #0A1828 50%, #050E1C 100%);
    color: var(--color-text);
    padding: 12px 0;
    font-size: 0.88rem;
    border-bottom: 1px solid var(--color-border);
}

.banner-inner {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
    text-align: center;
}

.badge {
    background-color: var(--color-accent);
    color: #050B14;
    padding: 2px 10px;
    border-radius: var(--radius-full);
    font-weight: 700;
    font-size: 0.72rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.banner-text {
    color: var(--color-silver);
}

.banner-link {
    text-decoration: underline;
    font-weight: 600;
    color: var(--color-accent);
}

/* ==============================
   MAIN GRID
============================== */
.grid-layout {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 40px;
    padding-top: 40px;
    padding-bottom: 60px;
    align-items: start;
}

/* ==============================
   ARTICLES AREA
============================== */
.articles-area {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.card {
    background-color: var(--color-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border);
    transition: border-color var(--transition-base);
}

.card:hover {
    border-color: rgba(0, 194, 212, 0.3);
}

.card-image-wrap {
    position: relative;
    overflow: hidden;
    background-color: #0A1422;
}

.article-img {
    width: 100%;
    transition: transform 0.5s ease;
}

.card:hover .article-img {
    transform: scale(1.03);
}

.tag {
    position: absolute;
    top: 20px;
    left: 20px;
    background-color: var(--color-accent);
    color: #050B14;
    padding: 6px 14px;
    border-radius: var(--radius-sm);
    font-weight: 700;
    font-size: 0.72rem;
    letter-spacing: 0.08em;
    z-index: 10;
}

.card-body {
    padding: 30px;
}

.meta {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    margin-bottom: 12px;
    font-weight: 400;
}

.text-accent {
    color: var(--color-accent);
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.78rem;
    letter-spacing: 0.08em;
}

.article-title {
    font-size: 2.1rem;
    line-height: 1.2;
    margin-bottom: 20px;
    color: var(--color-accent);
}

.prose {
    color: var(--color-text);
    font-size: 1.05rem;
    line-height: 1.8;
}

.prose-paragraph {
    margin-bottom: 1.4rem;
    margin-top: 0;
}

.highlight-box {
    background: linear-gradient(135deg, var(--color-highlight-bg) 0%, #0A1626 100%);
    border-left: 3px solid var(--color-accent);
    padding: 25px;
    margin: 30px 0;
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    box-shadow: inset 0 0 30px rgba(0, 194, 212, 0.04);
}

.highlight-heading {
    margin-bottom: 10px;
    font-size: 1.5rem;
}

.price-highlight {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--color-accent);
    margin: 15px 0;
    font-family: var(--font-sans);
}

.btn-dark {
    display: inline-block;
    background-color: var(--color-accent);
    color: #050B14;
    padding: 12px 28px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    text-decoration: none;
    transition: background-color var(--transition-base), box-shadow var(--transition-base);
    font-size: 0.9rem;
}

.btn-dark:hover {
    background-color: var(--color-accent-hover);
    box-shadow: var(--shadow-glow);
}

/* ==============================
   SECONDARY ARTICLES
============================== */
.secondary-articles {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

.card-small .article-title {
    font-size: 1.25rem;
    margin-bottom: 10px;
}

.card-small .prose {
    font-size: 0.92rem;
    margin-bottom: 0;
    line-height: 1.6;
}

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

/* ==============================
   SIDEBAR
============================== */
.sidebar {
    position: sticky;
    top: 90px;
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.widget {
    background-color: var(--color-card);
    border-radius: var(--radius-lg);
    padding: 25px;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--color-border);
}

.badge-hot {
    display: inline-block;
    background-color: rgba(0, 194, 212, 0.15);
    color: var(--color-accent);
    border: 1px solid rgba(0, 194, 212, 0.3);
    font-size: 0.72rem;
    font-weight: 700;
    padding: 3px 10px;
    border-radius: var(--radius-sm);
    margin-bottom: 12px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.widget-title {
    font-size: 1.4rem;
    margin-bottom: 18px;
}

.product-img {
    border-radius: var(--radius-md);
    margin-bottom: 15px;
    background-color: #0A1422;
}

.price-tag {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-accent);
    margin-bottom: 15px;
    text-align: center;
    font-family: var(--font-sans);
}

.feature-list {
    margin-bottom: 20px;
    padding-left: 0;
    list-style: none;
}

.feature-list-item {
    font-size: 0.92rem;
    color: var(--color-silver);
    margin-bottom: 9px;
    font-weight: 400;
    padding: 6px 0;
    border-bottom: 1px solid rgba(30, 47, 69, 0.5);
}

/* ==============================
   PAGE SECTIONS
============================== */
.page-section {
    background-color: var(--color-card);
    border-radius: var(--radius-lg);
    padding: 40px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border);
}

.section-header {
    font-size: 1.9rem;
    margin-bottom: 28px;
    border-bottom: 1px solid var(--color-border);
    padding-bottom: 15px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
}

.feature-card {
    background-color: var(--color-highlight-bg);
    padding: 20px;
    border-radius: var(--radius-md);
    border-left: 3px solid var(--color-accent);
    border: 1px solid var(--color-border);
    border-left: 3px solid var(--color-accent);
    transition: background-color var(--transition-base);
}

.feature-card:hover {
    background-color: var(--color-card-hover);
}

.feature-title {
    margin-bottom: 8px;
    font-size: 1.2rem;
}

.feature-text {
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

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

.testimonial-item {
    background-color: var(--color-highlight-bg);
    padding: 22px;
    border-radius: var(--radius-md);
    font-style: italic;
    border: 1px solid var(--color-border);
    position: relative;
}

.testimonial-text {
    margin: 0 0 10px 0;
    color: var(--color-silver-light);
    line-height: 1.7;
}

.testimonial-author {
    margin-top: 10px;
    font-weight: 600;
    font-style: normal;
    margin-bottom: 0;
    color: var(--color-accent);
    font-size: 0.9rem;
}

.faq-list {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.faq-item {
    background-color: var(--color-highlight-bg);
    padding: 18px 22px;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
}

.faq-question {
    font-size: 1.05rem;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--color-silver-light);
    font-family: var(--font-sans);
}

.faq-answer {
    color: var(--color-text-muted);
    font-size: 0.92rem;
    margin: 0;
    line-height: 1.7;
}

.return-policy-text {
    color: var(--color-text-muted);
    line-height: 1.8;
    margin: 0;
    font-size: 0.95rem;
}

/* ==============================
   FOOTER
============================== */
.footer {
    background-color: var(--color-surface);
    padding: 60px 0;
    margin-top: 60px;
    border-top: 1px solid var(--color-border);
}

.footer-clean-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 40px;
}

.footer-left {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-logo {
    color: var(--color-accent);
    margin-bottom: 0;
}

.footer-copyright {
    color: var(--color-text-muted);
    font-size: 0.82rem;
}

.footer-links-inline {
    display: flex;
    gap: 15px;
    margin-top: 5px;
    flex-wrap: wrap;
}

.footer-link {
    color: var(--color-text-muted);
    font-size: 0.82rem;
    transition: color var(--transition-base);
    text-decoration: none;
}

.footer-link:hover {
    color: var(--color-accent);
}

.footer-right {
    max-width: 480px;
}

.footer-disclosure-box {
    background-color: #050B14;
    border: 1px solid var(--color-border);
    padding: 18px 20px;
    border-radius: var(--radius-md);
    color: var(--color-text-muted);
    font-size: 0.78rem;
    line-height: 1.7;
}

.footer-disclosure-strong {
    color: var(--color-silver);
    font-weight: 600;
}

/* ==============================
   MODALS
============================== */
.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 194, 212, 0.12);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    z-index: 9999;
    justify-content: center;
    align-items: center;
}

.modal-content {
    background-color: var(--color-surface);
    padding: 40px 32px;
    border-radius: var(--radius-lg);
    max-width: 500px;
    width: 90%;
    position: relative;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.7), 0 0 0 1px var(--color-border);
}

.modal-close {
    position: absolute;
    top: 15px;
    right: 20px;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--color-text-muted);
    line-height: 1;
    transition: color var(--transition-base);
}

.modal-close:hover {
    color: var(--color-accent);
}

.modal-text {
    color: var(--color-text);
    margin: 0 0 5px 0;
    line-height: 1.6;
    font-size: 0.92rem;
}

.modal-strong {
    color: var(--color-silver-light);
    font-weight: 600;
}

/* ==============================
   COOKIE BANNER
============================== */
.cookie-banner {
    display: none;
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--color-surface);
    color: var(--color-text);
    padding: 20px 24px;
    border-radius: var(--radius-lg);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.6), 0 0 0 1px var(--color-border);
    z-index: 9998;
    max-width: 600px;
    width: 90%;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.cookie-text {
    flex: 1;
    font-size: 0.85rem;
    color: var(--color-text-muted);
    line-height: 1.5;
}

.cookie-buttons {
    display: flex;
    gap: 10px;
    flex-shrink: 0;
}

.cookie-btn {
    border: none;
    padding: 9px 18px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-weight: 600;
    font-size: 0.85rem;
    transition: all var(--transition-base);
}

.cookie-accept {
    background-color: var(--color-accent);
    color: #050B14;
}

.cookie-accept:hover {
    background-color: var(--color-accent-hover);
    box-shadow: var(--shadow-glow);
}

.cookie-reject {
    background-color: var(--color-border);
    color: var(--color-silver);
}

.cookie-reject:hover {
    background-color: #2A3D55;
    color: var(--color-white);
}

/* ==============================
   MEDIA QUERIES
============================== */
@media (max-width: 992px) {
    .grid-layout {
        grid-template-columns: 1fr;
    }

    .sidebar {
        position: static;
    }

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

@media (max-width: 768px) {
    .nav-links,
    .desktop-only {
        display: none;
    }

    .hamburger-btn {
        display: flex;
    }

    .secondary-articles {
        grid-template-columns: 1fr;
    }

    .article-title {
        font-size: 1.75rem;
    }

    .footer-clean-content {
        flex-direction: column;
        text-align: left;
        align-items: flex-start;
        gap: 30px;
    }

    .footer-right {
        max-width: 100%;
        width: 100%;
    }

    .footer-links-inline {
        flex-wrap: wrap;
    }

    .cookie-banner {
        flex-direction: column;
        text-align: center;
    }

    .page-section {
        padding: 25px 18px;
    }

    .card-body {
        padding: 20px;
    }

    .section-header {
        font-size: 1.5rem;
    }
}

@media (max-width: 480px) {
    .logo {
        font-size: 1.25rem;
    }

    .article-title {
        font-size: 1.45rem;
    }

    .banner-inner {
        flex-direction: column;
        gap: 8px;
    }

    .grid-layout {
        padding-top: 20px;
        gap: 20px;
    }
}