/* design token variables */
:root {
    --primary: #8ec641;
    --primary-hover: #7db037;
    --accent: #a6db56;
    --dark: #0f172a;
    --dark-800: #1e293b;
    --dark-950: #020617;
    --light: #f8fafc;
    --white: #ffffff;
    --slate-100: #f1f5f9;
    --slate-200: #e2e8f0;
    --slate-300: #cbd5e1;
    --slate-400: #94a3b8;
    --slate-500: #64748b;
    --slate-600: #475569;
    --slate-700: #334155;
    --red: #ef4444;
    --red-600: #dc2626;
    --amber: #f59e0b;
    --emerald: #10b981;
    --emerald-hover: #059669;
    --font-sans: 'Prompt', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-2xl: 32px;
    --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: var(--font-sans);
    background-color: var(--slate-100);
    color: var(--slate-700);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    -webkit-tap-highlight-color: transparent;
}

img {
    max-width: 100%;
    height: auto;
}

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

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

/* utility classes */
.container {
    width: 100%;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 1rem;
    padding-right: 1rem;
}

.text-center { text-align: center; }
.text-right { text-align: right; }
.text-xs { font-size: 0.75rem; }
.text-sm { font-size: 0.875rem; }
.text-lg { font-size: 1.125rem; }
.text-xl { font-size: 1.25rem; }
.text-2xl { font-size: 1.5rem; }
.font-bold { font-weight: 700; }
.font-black { font-weight: 900; }
.font-medium { font-weight: 500; }
.font-light { font-weight: 300; }

.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 0.75rem; }
.mt-4 { margin-top: 1rem; }
.mt-6 { margin-top: 1.5rem; }
.mt-8 { margin-top: 2rem; }

.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 0.75rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-6 { margin-bottom: 1.5rem; }

.p-3 { padding: 0.75rem; }
.p-4 { padding: 1rem; }
.p-5 { padding: 1.25rem; }
.p-6 { padding: 1.5rem; }

.hidden { display: none !important; }
.block { display: block !important; }

/* structural layout */
.site-header {
    background: linear-gradient(135deg, var(--dark-950) 0%, var(--dark) 100%);
    color: var(--white);
    position: sticky;
    top: 0;
    z-index: 50;
    box-shadow: var(--shadow-lg);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

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

.logo-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-badge {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, #007bc3 0%, #8ec641 50%, #f12c2c 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 900;
    font-size: 0.85rem;
    color: var(--white);
    box-shadow: inset 0 2px 4px rgba(255, 255, 255, 0.3);
}

.logo-text h1 {
    font-size: 1.125rem;
    font-weight: 900;
    line-height: 1.1;
    color: var(--white);
}

.logo-text h1 span {
    color: var(--primary);
}

.logo-text span {
    font-size: 0.65rem;
    color: var(--slate-400);
}

.nav-menu {
    display: flex;
    gap: 1.5rem;
    align-items: center;
}

.nav-link {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--slate-300);
    transition: var(--transition);
}

.nav-link:hover, .nav-link.active {
    color: var(--primary);
}

.nav-link-btn {
    background-color: var(--slate-800);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--slate-700);
}

.nav-link-btn:hover {
    background-color: var(--slate-700);
    color: var(--white);
}

/* mobile hamburger menu (hidden on desktop) */
.mobile-nav-toggle {
    display: none;
    color: var(--white);
    font-size: 1.5rem;
    align-items: center;
    justify-content: center;
    background: none;
    border: none;
    cursor: pointer;
    transition: var(--transition);
}

.mobile-nav-toggle:hover {
    color: var(--primary);
}

.mobile-nav-toggle svg {
    width: 24px;
    height: 24px;
}

/* mobile dropdown styles */
.mobile-menu-dropdown {
    display: none;
    flex-direction: column;
    background-color: var(--dark-950);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding: 0.75rem 1rem 1.25rem;
    gap: 0.25rem;
    width: 100%;
    max-height: calc(100vh - 70px);
    overflow-y: auto;
    position: relative;
    z-index: 200;
}

.mobile-menu-dropdown.active {
    display: flex;
}

.mobile-menu-section {
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    padding: 0.5rem 0;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.mobile-menu-section:last-of-type {
    border-bottom: none;
}

.mobile-menu-section h4 {
    font-size: 0.7rem;
    font-weight: 800;
    color: var(--slate-500);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0.25rem 0.5rem;
}

.mobile-menu-link {
    color: var(--slate-300);
    font-size: 0.85rem;
    font-weight: 500;
    padding: 0.6rem 0.75rem;
    border-radius: var(--radius-md);
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
}

.mobile-menu-link:hover, .mobile-menu-link.active {
    color: var(--primary);
    background-color: var(--slate-800);
}

.mobile-menu-btn {
    background-color: var(--primary);
    color: var(--dark-950);
    margin-top: 1rem;
    font-weight: 700;
    justify-content: center;
}

.mobile-menu-btn:hover {
    background-color: var(--primary-hover);
    color: var(--dark-950);
}

/* main container grids */
.main-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    padding-top: 2rem;
    padding-bottom: 4rem;
}

@media (min-width: 1024px) {
    .main-layout {
        grid-template-columns: 280px 1fr;
    }
    
    .sidebar-sticky {
        position: sticky;
        top: 90px;
        align-self: start;
    }
}

/* sidebar components */
.sidebar-box {
    background-color: var(--white);
    border-radius: var(--radius-xl);
    border: 1px solid var(--slate-200);
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
    margin-bottom: 1.5rem;
}

.sidebar-title {
    font-size: 0.875rem;
    font-weight: 800;
    color: var(--slate-400);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.sidebar-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.sidebar-list-item a {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.6rem 0.8rem;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 500;
    transition: var(--transition);
}

.sidebar-list-item a:hover, .sidebar-list-item.active a {
    background-color: var(--slate-100);
    color: var(--dark-800);
}

.sidebar-list-item.active a {
    border-left: 4px solid var(--primary);
    background-color: var(--slate-100);
    font-weight: 700;
}

.sidebar-list-badge {
    background-color: var(--slate-200);
    color: var(--slate-700);
    font-size: 0.75rem;
    font-weight: 700;
    padding: 0.1rem 0.4rem;
    border-radius: 9999px;
}

/* search bar widget */
.search-widget {
    background-color: var(--white);
    border-radius: var(--radius-xl);
    border: 1px solid var(--slate-200);
    padding: 0.5rem;
    display: flex;
    align-items: center;
    box-shadow: var(--shadow-md);
}

.search-widget input {
    flex-grow: 1;
    border: none;
    outline: none;
    padding: 0.5rem 0.75rem;
    font-size: 0.875rem;
    color: var(--slate-700);
    background: transparent;
}

.search-widget button {
    background-color: var(--primary);
    color: var(--dark-950);
    font-weight: 700;
    font-size: 0.875rem;
    padding: 0.6rem 1.2rem;
    border-radius: var(--radius-lg);
    transition: var(--transition);
}

.search-widget button:hover {
    background-color: var(--primary-hover);
}

/* content pages */
.hero-banner {
    background: linear-gradient(135deg, var(--dark-950) 0%, #0b1329 100%);
    color: var(--white);
    border-radius: var(--radius-2xl);
    padding: 2.5rem;
    position: relative;
    overflow: hidden;
    margin-bottom: 2rem;
    box-shadow: var(--shadow-xl);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.hero-banner-content {
    max-width: 65%;
    position: relative;
    z-index: 10;
}

.hero-badge {
    background-color: var(--amber);
    color: var(--dark-950);
    font-size: 0.75rem;
    font-weight: 900;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    display: inline-block;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.hero-title {
    font-size: 2rem;
    font-weight: 900;
    line-height: 1.2;
    margin-top: 1rem;
}

.hero-title span {
    color: var(--primary);
}

.hero-desc {
    font-size: 0.95rem;
    color: var(--slate-300);
    margin-top: 0.75rem;
}

.hero-action {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background-color: var(--primary);
    color: var(--dark-950);
    font-weight: 700;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-lg);
    margin-top: 1.5rem;
    transition: var(--transition);
    box-shadow: 0 4px 12px rgba(142, 198, 69, 0.3);
}

.hero-action:hover {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
}

.hero-graphic {
    position: absolute;
    right: -20px;
    bottom: -30px;
    font-size: 10rem;
    font-weight: 900;
    opacity: 0.05;
    user-select: none;
    pointer-events: none;
}

.hero-glow {
    position: absolute;
    right: 5%;
    top: 10%;
    width: 250px;
    height: 250px;
    background-color: rgba(142, 198, 65, 0.08);
    border-radius: 50%;
    filter: blur(50px);
    pointer-events: none;
}

/* section headers */
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.section-title {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--dark-800);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.section-more-btn {
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--primary-hover);
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.section-more-btn:hover {
    text-decoration: underline;
}

/* grids of cards */
.packages-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

@media (min-width: 640px) {
    .packages-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1200px) {
    .packages-grid.grid-3 {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* package cards */
.package-card {
    background: linear-gradient(135deg, var(--white) 0%, var(--light) 100%);
    border: 1px solid var(--slate-200);
    border-radius: var(--radius-xl);
    padding: 1.5rem;
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.package-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

.card-tag {
    position: absolute;
    top: -12px;
    left: 1rem;
    background-color: var(--red-600);
    color: var(--white);
    font-size: 0.7rem;
    font-weight: 700;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    box-shadow: 0 4px 6px rgba(220, 38, 38, 0.15);
}

.card-top {
    display: flex;
    justify-content: space-between;
    align-items: start;
    margin-top: 0.5rem;
}

.card-brand {
    font-size: 0.65rem;
    font-weight: 900;
    color: var(--primary-hover);
    letter-spacing: 0.1em;
}

.card-title {
    font-size: 1.15rem;
    font-weight: 800;
    color: var(--dark);
    margin-top: 0.25rem;
    line-height: 1.3;
}

.card-title a:hover {
    color: var(--primary-hover);
}

.card-desc {
    font-size: 0.95rem;
    color: var(--slate-800);
    font-weight: 500;
    margin-top: 0.5rem;
    line-clamp: 2;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.card-speed-badge {
    background-color: var(--dark-950);
    color: var(--primary);
    border-radius: var(--radius-lg);
    padding: 0.5rem 0.75rem;
    text-align: center;
    min-width: 80px;
    flex-shrink: 0;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.3);
}

.speed-value {
    font-size: 1.5rem;
    font-weight: 900;
    line-height: 1;
}

.speed-unit {
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
}

.card-features {
    list-style: none;
    margin-top: 1rem;
    font-size: 0.95rem;
    color: var(--slate-800);
    font-weight: 500;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.card-features li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.card-features svg {
    color: var(--primary);
    flex-shrink: 0;
}

.card-bottom {
    margin-top: 1.5rem;
    border-top: 1px solid var(--slate-200);
    padding-top: 1rem;
}

.card-price-section {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
}

.price-main {
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--dark-950);
}

.price-period {
    font-size: 0.75rem;
    color: var(--slate-400);
}

.price-vat {
    font-size: 0.7rem;
    color: var(--red-600);
    font-weight: 700;
    display: block;
    margin-top: -0.25rem;
}

.card-code-badge {
    background-color: var(--dark-950);
    border: 1px solid var(--primary);
    color: var(--primary);
    padding: 0.4rem 0.75rem;
    border-radius: var(--radius-md);
    font-family: monospace;
    font-size: 0.8rem;
    font-weight: 700;
    white-space: nowrap;
}

.card-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
}

.btn-secondary {
    background-color: var(--slate-200);
    color: var(--slate-800);
    font-size: 0.75rem;
    font-weight: 700;
    padding: 0.6rem;
    border-radius: var(--radius-md);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.25rem;
    transition: var(--transition);
}

.btn-secondary:hover {
    background-color: var(--slate-300);
}

.btn-primary {
    background-color: var(--primary);
    color: var(--dark-950);
    font-size: 0.75rem;
    font-weight: 900;
    padding: 0.6rem;
    border-radius: var(--radius-md);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.25rem;
    transition: var(--transition);
    box-shadow: 0 4px 6px rgba(142, 198, 69, 0.1);
    cursor: pointer;
    text-decoration: none;
}

a.btn-primary {
    text-decoration: none;
}

.btn-primary:hover {
    background-color: var(--primary-hover);
}

/* single detail page layout */
.detail-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

@media (min-width: 1024px) {
    .detail-layout {
        grid-template-columns: 2fr 1fr;
    }
}

.detail-main {
    background-color: var(--white);
    border-radius: var(--radius-2xl);
    border: 1px solid var(--slate-200);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.detail-header-banner {
    background: linear-gradient(135deg, var(--dark-950) 0%, var(--dark-800) 100%);
    color: var(--white);
    padding: 2rem;
    position: relative;
}

.detail-header-banner h1 {
    font-size: 1.5rem;
    font-weight: 900;
    margin-top: 0.5rem;
}

.detail-header-banner p {
    font-size: 0.75rem;
    color: var(--slate-400);
    margin-top: 0.25rem;
}

.detail-body {
    padding: 2rem;
}

.ultra-speed-card {
    background: linear-gradient(135deg, var(--dark) 0%, var(--dark-950) 100%);
    border: 2px solid rgba(142, 198, 65, 0.3);
    color: var(--white);
    border-radius: var(--radius-2xl);
    padding: 2rem;
    text-align: center;
    position: relative;
    overflow: hidden;
    margin-bottom: 2rem;
}

.ultra-speed-card .label {
    font-size: 0.75rem;
    color: var(--primary);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.ultra-speed-number {
    display: flex;
    align-items: baseline;
    justify-content: center;
    color: var(--primary);
    margin: 1rem 0;
}

.ultra-speed-number .val {
    font-size: 4.5rem;
    font-weight: 900;
    line-height: 1;
    filter: drop-shadow(0 0 15px rgba(142, 198, 65, 0.4));
}

.ultra-speed-number .unit {
    font-size: 1.5rem;
    font-weight: 900;
    margin-left: 0.25rem;
}

.ultra-speed-desc {
    background-color: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.2);
    color: #34d399; /* emerald-400 */
    font-size: 0.8rem;
    font-weight: 700;
    padding: 0.4rem 1rem;
    border-radius: 9999px;
    display: inline-block;
}

.detail-section-title {
    font-size: 0.9rem;
    font-weight: 800;
    color: var(--slate-400);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.detail-bullets {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-bottom: 2rem;
}

.detail-bullets li {
    display: flex;
    align-items: start;
    gap: 0.75rem;
}

.detail-bullets li svg {
    color: var(--primary);
    margin-top: 0.2rem;
    flex-shrink: 0;
}

.detail-bullets li span {
    font-size: 0.875rem;
    color: var(--slate-700);
}

.pros-cons-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

@media (min-width: 640px) {
    .pros-cons-grid {
        grid-template-columns: 1fr 1fr;
    }
}

.pros-box {
    background-color: rgba(16, 185, 129, 0.03);
    border: 1px solid rgba(16, 185, 129, 0.15);
    border-radius: var(--radius-xl);
    padding: 1.25rem;
}

.cons-box {
    background-color: rgba(59, 130, 246, 0.03);
    border: 1px solid rgba(59, 130, 246, 0.15);
    border-radius: var(--radius-xl);
    padding: 1.25rem;
}

.pros-box h3 {
    font-size: 0.875rem;
    font-weight: 800;
    color: #065f46; /* emerald-800 */
    display: flex;
    align-items: center;
    gap: 0.4rem;
    margin-bottom: 0.75rem;
}

.cons-box h3 {
    font-size: 0.875rem;
    font-weight: 800;
    color: #1e3a8a; /* blue-900 */
    display: flex;
    align-items: center;
    gap: 0.4rem;
    margin-bottom: 0.75rem;
}

.pros-box ul, .cons-box ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.pros-box li, .cons-box li {
    font-size: 0.8rem;
    display: flex;
    align-items: start;
    gap: 0.5rem;
}

.pros-box svg { color: var(--emerald); margin-top: 0.15rem; flex-shrink: 0; }
.cons-box svg { color: #3b82f6; margin-top: 0.15rem; flex-shrink: 0; }

.tech-specs-table {
    width: 100%;
    border-collapse: collapse;
    background-color: var(--slate-100);
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin-bottom: 2rem;
    border: 1px solid var(--slate-200);
}

.tech-specs-table td {
    padding: 0.75rem 1rem;
    font-size: 0.8rem;
}

.tech-specs-table tr:not(:last-child) {
    border-bottom: 1px solid var(--slate-200);
}

.tech-specs-table td.label-cell {
    font-weight: 700;
    color: var(--slate-800);
    width: 40%;
}

.tech-specs-table td.value-cell {
    color: var(--slate-600);
}

.vat-pricing-banner {
    background-color: rgba(245, 158, 11, 0.08);
    border: 1px solid rgba(245, 158, 11, 0.2);
    border-radius: var(--radius-xl);
    padding: 1.25rem;
    text-align: center;
    margin-bottom: 2rem;
}

.vat-pricing-banner span {
    font-size: 0.75rem;
    color: var(--slate-500);
}

.vat-pricing-banner .price {
    font-size: 1.75rem;
    font-weight: 900;
    color: var(--dark-950);
    margin: 0.25rem 0;
}

.vat-pricing-banner p {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--red-600);
}

.detail-apply-box {
    background-color: var(--dark-950);
    color: var(--white);
    border-radius: var(--radius-xl);
    padding: 1.5rem;
    text-align: center;
    border: 1px solid var(--slate-800);
    margin-bottom: 2rem;
}

.detail-apply-box h4 {
    font-size: 0.75rem;
    color: var(--slate-400);
    text-transform: uppercase;
}

.detail-apply-code {
    display: block;
    background-color: var(--dark-800);
    border: 1px solid var(--slate-700);
    border-radius: var(--radius-lg);
    color: var(--primary);
    font-family: monospace;
    font-size: 3rem;
    font-weight: 900;
    letter-spacing: 0.05em;
    padding: 0.75rem;
    margin: 1rem 0;
    cursor: pointer;
    transition: var(--transition);
    word-break: break-all;
    text-decoration: none;
}

.detail-apply-code:hover {
    border-color: var(--primary);
}

.detail-apply-btn {
    width: 100%;
    background-color: var(--primary);
    color: var(--dark-950);
    font-weight: 900;
    font-size: 0.875rem;
    padding: 0.875rem;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: var(--transition);
    text-decoration: none;
}

.detail-apply-btn:hover {
    background-color: var(--primary-hover);
}

/* detail FAQs and instructions */
.faq-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 2rem;
}

.faq-item {
    background-color: var(--slate-100);
    border: 1px solid var(--slate-200);
    border-radius: var(--radius-xl);
    padding: 1rem;
}

.faq-q {
    font-weight: 800;
    font-size: 0.8rem;
    color: var(--dark);
    display: flex;
    align-items: start;
    gap: 0.5rem;
}

.faq-q-badge {
    background-color: var(--slate-800);
    color: var(--white);
    border-radius: 50%;
    width: 20px;
    height: 20px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.65rem;
    font-weight: 900;
    flex-shrink: 0;
}

.faq-a {
    font-size: 0.8rem;
    color: var(--slate-600);
    margin-top: 0.75rem;
    padding-left: 1.75rem;
    border-left: 1px dashed var(--slate-300);
}

/* responsive breadcrumbs */
.breadcrumbs {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.25rem;
    font-size: 0.65rem;
    color: var(--slate-500);
    margin-bottom: 1rem;
    padding: 0.5rem 0;
}

.breadcrumbs a:hover {
    text-decoration: underline;
    color: var(--slate-700);
}

.breadcrumbs .current {
    font-weight: 700;
    color: var(--slate-800);
}

.breadcrumbs .sep {
    color: var(--slate-400);
}

/* internal linking related grid on product page */
.related-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin-top: 1rem;
}

.related-card {
    background-color: var(--white);
    border: 1px solid var(--slate-200);
    border-radius: var(--radius-xl);
    padding: 1rem;
    cursor: pointer;
    transition: var(--transition);
}

.related-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-md);
}

.related-card-brand {
    font-size: 0.55rem;
    font-weight: 700;
    color: var(--primary-hover);
    text-transform: uppercase;
}

.related-card-title {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--slate-800);
    margin-top: 0.15rem;
    line-clamp: 1;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
}

.related-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 0.5rem;
    border-top: 1px solid var(--slate-100);
    padding-top: 0.5rem;
    font-size: 0.75rem;
}

.related-card-price {
    font-weight: 900;
    color: var(--dark);
}

.related-card-link {
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--primary-hover);
    display: flex;
    align-items: center;
    gap: 0.1rem;
}

/* rich SEO article content styling */
.seo-article {
    background-color: var(--white);
    border-radius: var(--radius-2xl);
    border: 1px solid var(--slate-200);
    padding: 2rem;
    margin-top: 2rem;
    box-shadow: var(--shadow-sm);
}

.seo-article h2 {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--dark);
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
    border-left: 4px solid var(--primary);
    padding-left: 0.75rem;
}

.seo-article h3 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--dark-800);
    margin-top: 1.25rem;
    margin-bottom: 0.5rem;
}

.seo-article p {
    font-size: 0.875rem;
    color: var(--slate-600);
    margin-bottom: 1rem;
    line-height: 1.7;
}

.seo-article a {
    color: var(--primary-hover);
    font-weight: 700;
    text-decoration: underline;
}

.seo-article a:hover {
    color: var(--primary);
}

.seo-article ul, .seo-article ol {
    margin-bottom: 1rem;
    padding-left: 1.5rem;
    font-size: 0.875rem;
    color: var(--slate-600);
}

.seo-article li {
    margin-bottom: 0.4rem;
}

/* footer styles */
.site-footer {
    background-color: var(--dark-950);
    color: var(--slate-400);
    padding: 3rem 0;
    border-top: 1px solid var(--slate-800);
    font-size: 0.8rem;
    margin-top: auto;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

@media (min-width: 768px) {
    .footer-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.footer-col h3 {
    color: var(--white);
    font-size: 0.9rem;
    font-weight: 800;
    margin-bottom: 1.25rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.footer-col p {
    line-height: 1.7;
    margin-bottom: 1rem;
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.footer-links a {
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--primary);
    padding-left: 0.25rem;
}

.footer-bottom {
    border-top: 1px solid var(--slate-800);
    padding-top: 1.5rem;
    margin-top: 2rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}

@media (min-width: 768px) {
    .footer-bottom {
        flex-direction: row;
        gap: 0;
    }
}

/* custom popup modals */
.modal-overlay {
    position: fixed;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.7);
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal-card {
    background-color: var(--white);
    border-radius: var(--radius-2xl);
    max-width: 380px;
    width: 100%;
    padding: 2rem;
    position: relative;
    box-shadow: var(--shadow-xl);
    transform: scale(0.9);
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-overlay.active .modal-card {
    transform: scale(1);
}

.modal-close {
    position: absolute;
    right: 1.25rem;
    top: 1.25rem;
    color: var(--slate-400);
    transition: var(--transition);
}

.modal-close:hover {
    color: var(--slate-600);
}

.modal-icon-box {
    width: 50px;
    height: 50px;
    background-color: rgba(16, 185, 129, 0.08);
    color: var(--emerald);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
}

.modal-title {
    font-size: 1rem;
    font-weight: 900;
    color: var(--dark);
    text-align: center;
}

.modal-desc {
    font-size: 0.75rem;
    color: var(--slate-500);
    text-align: center;
    margin-top: 0.25rem;
}

.modal-code-box {
    background-color: var(--slate-100);
    border: 1px dashed var(--slate-300);
    border-radius: var(--radius-xl);
    padding: 0.75rem;
    margin: 1rem 0;
    font-family: monospace;
    font-size: 1.125rem;
    font-weight: 800;
    color: var(--primary-hover);
    text-align: center;
    letter-spacing: 0.05em;
}

.modal-dial-btn {
    width: 100%;
    background-color: var(--primary);
    color: var(--dark-950);
    font-weight: 900;
    font-size: 0.8rem;
    padding: 0.75rem;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: var(--transition);
}

.modal-dial-btn:hover {
    background-color: var(--primary-hover);
}

.modal-warning {
    color: var(--red);
    font-size: 0.7rem;
    font-weight: 700;
    text-align: center;
    margin-top: 0.5rem;
}

/* persistent mobile navigation at bottom */
.mobile-nav-bar {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: 60px;
    background-color: var(--dark-950);
    border-top: 1px solid var(--slate-800);
    z-index: 45;
    justify-content: space-around;
    align-items: center;
    box-shadow: 0 -4px 10px rgba(0, 0, 0, 0.1);
}

.mobile-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--slate-400);
    font-size: 0.6rem;
    font-weight: 500;
    gap: 0.1rem;
    flex-grow: 1;
    height: 100%;
}

.mobile-nav-item.active {
    color: var(--primary);
}

.mobile-nav-item svg {
    width: 20px;
    height: 20px;
}

/* responsive media queries */
@media (max-width: 1024px) {
    .hero-banner {
        padding: 2rem;
    }
    
    .hero-banner-content {
        max-width: 80%;
    }

    .sidebar-sticky {
        display: none;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none; /* toggle drawer on mobile if needed, or use mobile bottom bar */
    }
    
    .mobile-nav-toggle {
        display: flex;
    }
    
    .mobile-nav-bar {
        display: flex;
    }
    
    body {
        padding-bottom: 60px; /* offset bottom nav */
    }
    
    .hero-banner-content {
        max-width: 100%;
    }
}

@media (max-width: 480px) {
    .hero-banner {
        padding: 1.5rem;
    }
    
    .hero-title {
        font-size: 1.5rem;
    }
    
    .hero-desc {
        font-size: 0.8rem;
    }
    
    .card-actions {
        grid-template-columns: 1fr;
    }
}

/* Network Specific Classes */
.badge-ais { background-color: var(--primary); color: var(--dark-950); }
.badge-true { background-color: #f12c2c; color: var(--white); }
.badge-dtac { background-color: #007bc3; color: var(--white); }

/* Operator Cards Custom Styling */
.package-card.card-ais {
    border-top: 4px solid var(--primary);
}
.package-card.card-true {
    border-top: 4px solid #f12c2c;
}
.package-card.card-true .btn-primary {
    background-color: #f12c2c;
    color: var(--white);
}
.package-card.card-true .btn-primary:hover {
    background-color: #d11b1b;
}
.package-card.card-true .card-brand {
    color: #f12c2c;
}
.package-card.card-true .card-speed-badge {
    background: linear-gradient(135deg, #f12c2c 0%, #ff6b6b 100%);
    color: var(--white);
}
.package-card.card-true .card-title a:hover {
    color: #f12c2c;
}
.package-card.card-true .card-features svg {
    color: #f12c2c;
}

.package-card.card-dtac {
    border-top: 4px solid #007bc3;
}
.package-card.card-dtac .btn-primary {
    background-color: #007bc3;
    color: var(--white);
}
.package-card.card-dtac .btn-primary:hover {
    background-color: #00609a;
}
.package-card.card-dtac .card-brand {
    color: #007bc3;
}
.package-card.card-dtac .card-speed-badge {
    background: linear-gradient(135deg, #007bc3 0%, #3bb2ff 100%);
    color: var(--white);
}
.package-card.card-dtac .card-title a:hover {
    color: #007bc3;
}
.package-card.card-dtac .card-features svg {
    color: #007bc3;
}

/* PronetAIS landing duration navigator */
html {
    scroll-behavior: smooth;
}

.duration-nav {
    position: sticky;
    top: 82px;
    left: 50%;
    z-index: 80;
    transform: translateX(-50%);
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    width: fit-content;
    max-width: calc(100% - 24px);
    margin: 14px auto 22px;
    padding: 8px 10px;
    border: 1.5px solid rgba(140, 198, 63, 0.55);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.96);
    box-shadow:
        0 10px 28px rgba(15, 23, 42, 0.12),
        0 0 0 4px rgba(140, 198, 63, 0.08);
    backdrop-filter: blur(14px);
}

.duration-nav a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 58px;
    min-height: 34px;
    padding: 7px 13px;
    border: 1px solid rgba(148, 163, 184, 0.28);
    border-radius: 999px;
    background: linear-gradient(180deg, #ffffff 0%, #eef4f9 100%);
    color: #17243a;
    font-size: 13px;
    font-weight: 900;
    line-height: 1;
    text-decoration: none;
    white-space: nowrap;
    transition:
        transform 0.18s ease,
        background 0.18s ease,
        color 0.18s ease,
        border-color 0.18s ease,
        box-shadow 0.18s ease;
}

.duration-nav a:hover,
.duration-nav a:focus {
    transform: translateY(-1px);
    border-color: rgba(140, 198, 63, 0.9);
    background: #8cc63f;
    color: #06111f;
    box-shadow: 0 6px 16px rgba(140, 198, 63, 0.28);
}

.duration-nav a.is-active {
    border-color: rgba(140, 198, 63, 0.95);
    background: #8cc63f;
    color: #06111f;
    box-shadow: 0 6px 16px rgba(140, 198, 63, 0.22);
}

.package-duration-section {
    scroll-margin-top: 150px;
    margin-bottom: 32px;
}

.section-heading-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin: 4px 0 16px;
}

.section-heading-row h2 {
    margin: 0;
    color: #15243a;
    font-size: clamp(22px, 2.4vw, 30px);
    line-height: 1.25;
}

.section-heading-row span {
    display: inline-flex;
    align-items: center;
    min-height: 30px;
    padding: 5px 12px;
    border-radius: 999px;
    background: #eef2f7;
    color: #24364f;
    font-size: 13px;
    font-weight: 800;
    white-space: nowrap;
}

.landing-summary-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 1.5rem;
    padding: 0.5rem 1rem;
    border: 1px solid var(--slate-200);
    border-radius: var(--radius-lg);
    background-color: var(--white);
}

.landing-summary-bar > span:first-child {
    color: var(--slate-800);
    font-size: 0.75rem;
    font-weight: 700;
}

.landing-summary-bar strong {
    color: var(--primary-hover);
}

.hero-keyword-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    border-radius: 999px;
    background: linear-gradient(180deg, #f3f8ff 0%, #e8f1fb 100%);
    border: 1px solid rgba(140, 198, 63, 0.32);
    color: #1e3552;
    font-size: 14px;
    font-weight: 800;
    line-height: 1.4;
    box-shadow: 0 8px 20px rgba(15, 23, 42, 0.06);
    margin-bottom: 18px;
}

.landing-hero-card {
    margin-bottom: 1.5rem;
}

.last-updated-pill {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin-top: 16px;
    padding: 11px 16px;
    border: 1.5px solid rgba(140, 198, 63, 0.72);
    border-radius: 999px;
    background: linear-gradient(180deg, #fffdf0 0%, #f6fcd9 100%);
    color: #1d3551;
    font-size: 14px;
    font-weight: 800;
    line-height: 1.3;
    box-shadow:
        0 8px 22px rgba(140, 198, 63, 0.14),
        0 0 0 4px rgba(140, 198, 63, 0.06);
}

.update-dot {
    width: 10px;
    height: 10px;
    flex: 0 0 auto;
    border-radius: 999px;
    background: #8cc63f;
    box-shadow: 0 0 0 6px rgba(140, 198, 63, 0.18);
}

.landing-support-section,
.faq-section,
.transparency-box {
    margin-bottom: 28px;
}

.landing-choice-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 12px;
}

.landing-choice-card,
.landing-info-card,
.transparency-box {
    border: 1px solid rgba(148, 163, 184, 0.24);
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.94);
    box-shadow: 0 10px 24px rgba(15, 23, 42, 0.06);
}

.landing-choice-card {
    display: flex;
    min-height: 136px;
    flex-direction: column;
    justify-content: space-between;
    padding: 16px;
    color: #17243a;
    text-decoration: none;
    transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
}

.landing-choice-card:hover,
.landing-choice-card:focus {
    transform: translateY(-2px);
    border-color: rgba(140, 198, 63, 0.72);
    box-shadow: 0 14px 28px rgba(15, 23, 42, 0.1);
}

.landing-choice-card span {
    color: #15243a;
    font-size: 16px;
    font-weight: 900;
    line-height: 1.35;
}

.landing-choice-card p {
    margin: 10px 0 0;
    color: #475569;
    font-size: 13px;
    line-height: 1.65;
}

.landing-info-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
    margin: 0 0 28px;
}

.landing-info-card {
    padding: 20px;
}

.landing-info-card h2,
.transparency-box h2 {
    margin: 0 0 14px;
    color: #15243a;
    font-size: 22px;
    line-height: 1.3;
}

.landing-step-list,
.landing-note-list {
    margin: 0;
    color: #334155;
    font-size: 14px;
    line-height: 1.75;
}

.landing-step-list {
    display: grid;
    gap: 10px;
    padding: 0;
    list-style: none;
}

.landing-step-list li {
    display: grid;
    grid-template-columns: 30px 1fr;
    gap: 10px;
    align-items: start;
}

.landing-step-list span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    border-radius: 999px;
    background: #8cc63f;
    color: #06111f;
    font-weight: 900;
}

.landing-step-list p {
    margin: 2px 0 0;
}

.landing-note-list {
    padding-left: 20px;
}

.faq-list {
    display: grid;
    gap: 10px;
}

.faq-list details {
    border: 1px solid rgba(148, 163, 184, 0.24);
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.94);
    box-shadow: 0 8px 18px rgba(15, 23, 42, 0.05);
}

.faq-list summary {
    cursor: pointer;
    padding: 15px 18px;
    color: #15243a;
    font-weight: 900;
    line-height: 1.45;
}

.faq-list p {
    margin: 0;
    padding: 0 18px 16px;
    color: #334155;
    font-size: 14px;
    line-height: 1.75;
}

.transparency-box {
    padding: 20px;
    border-color: rgba(140, 198, 63, 0.32);
    background: linear-gradient(180deg, #ffffff 0%, #f7fbf0 100%);
}

.transparency-box p {
    margin: 0;
    color: #334155;
    font-size: 14px;
    line-height: 1.75;
}

.section-intro-card,
.new-sim-note {
    margin: 0 0 18px;
    padding: 18px 20px;
    border: 1px solid rgba(148, 163, 184, 0.24);
    border-radius: 22px;
    background: rgba(255, 255, 255, 0.92);
    box-shadow: 0 10px 24px rgba(15, 23, 42, 0.06);
}

.section-intro-card p {
    margin: 0;
    color: #334155;
    font-size: 15px;
    line-height: 1.75;
}

.new-sim-note {
    margin-top: 22px;
    border-color: rgba(140, 198, 63, 0.32);
    background: linear-gradient(180deg, #ffffff 0%, #f7fbf0 100%);
}

.new-sim-note h3 {
    margin: 0 0 10px;
    color: #15243a;
    font-size: 20px;
}

.new-sim-note ul {
    margin: 0;
    padding-left: 20px;
    color: #334155;
    font-size: 14px;
    line-height: 1.75;
}

.new-sim-section {
    margin-top: 38px;
}

.new-sim-section .card-desc {
    -webkit-line-clamp: 3;
}

.new-sim-section .card-features li {
    align-items: flex-start;
}

.new-sim-section .card-features svg {
    margin-top: 3px;
}

.new-sim-section .price-main span {
    color: var(--slate-400);
    font-size: 0.75rem;
    font-weight: 700;
}

.price-sub {
    color: var(--primary-hover);
    font-size: 0.75rem;
    font-weight: 800;
    margin-top: 2px;
}

.new-sim-actions {
    grid-template-columns: 1fr;
}

@media (max-width: 768px) {
    body.mobile-menu-open .site-header {
        z-index: 200;
    }

    .duration-nav {
        top: 74px;
        left: auto;
        z-index: 40;
        transform: none;
        justify-content: flex-start;
        gap: 7px;
        width: fit-content;
        max-width: calc(100% - 18px);
        margin: 10px auto 18px;
        padding: 7px 8px;
        overflow-x: auto;
        scrollbar-width: none;
        border-radius: 999px;
    }

    body.mobile-menu-open .duration-nav {
        opacity: 0;
        visibility: hidden;
        pointer-events: none;
        transform: translateY(-8px);
        z-index: 0;
    }

    .duration-nav::-webkit-scrollbar {
        display: none;
    }

    .duration-nav a {
        min-width: 54px;
        min-height: 32px;
        padding: 7px 11px;
        font-size: 12px;
    }

    .package-duration-section {
        scroll-margin-top: 132px;
    }

    .section-heading-row {
        align-items: flex-start;
    }

    .landing-summary-bar {
        align-items: flex-start;
        flex-direction: column;
    }

    .hero-keyword-badge {
        font-size: 13px;
        padding: 9px 13px;
        margin-bottom: 14px;
    }

    .last-updated-pill {
        font-size: 13px;
        padding: 10px 14px;
    }

    .landing-choice-grid,
    .landing-info-grid {
        grid-template-columns: 1fr;
    }

    .landing-choice-card {
        min-height: auto;
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    .duration-nav a {
        transition: none;
    }
}