/* ===================================
   CSS VARIABLES & RESET
   =================================== */
:root {
    /* Colors */
    --color-primary: #3506e6;
    --color-secondary: #8810e1;
    --color-success: #10b981;
    --color-error: #ef4444;
    --color-warning: #f59e0b;

    /* Text Colors */
    --color-text-primary: #1a1a2e;
    --color-text-secondary: #4a5568;
    --color-text-muted: #718096;

    /* Background Colors */
    --color-bg-primary: #ffffff;
    --color-bg-secondary: #f7fafc;
    --color-bg-card: #ffffff;
    --color-bg-input: #f7fafc;
    --color-border: #e2e8f0;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #3506e6 0%, #8810e1 100%);
    --gradient-secondary: linear-gradient(135deg, #10b981 0%, #059669 100%);
    --gradient-glow: radial-gradient(circle at center, rgba(53, 6, 230, 0.2) 0%, transparent 70%);

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 0.75rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.6);
    --shadow-glow: 0 0 30px rgba(53, 6, 230, 0.5);

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;
    --font-size-4xl: 2.5rem;
    --font-size-5xl: 3rem;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    background: var(--color-bg-primary);
    color: var(--color-text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
}

/* ===================================
   BACKGROUND ANIMATION
   =================================== */
.background-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
    pointer-events: none;
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.15;
    animation: float 20s infinite ease-in-out;
}

.orb-1 {
    width: 500px;
    height: 500px;
    background: var(--gradient-primary);
    top: -10%;
    right: -10%;
    animation-delay: 0s;
}

.orb-2 {
    width: 400px;
    height: 400px;
    background: var(--gradient-secondary);
    bottom: -10%;
    left: -10%;
    animation-delay: 5s;
}

.orb-3 {
    width: 350px;
    height: 350px;
    background: linear-gradient(135deg, #f59e0b 0%, #ef4444 100%);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: 10s;
}

@keyframes float {

    0%,
    100% {
        transform: translate(0, 0) scale(1);
    }

    33% {
        transform: translate(30px, -30px) scale(1.1);
    }

    66% {
        transform: translate(-20px, 20px) scale(0.9);
    }
}

/* ===================================
   NAVIGATION
   =================================== */
.navbar {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: var(--gradient-primary);
    box-shadow: 0 4px 20px rgba(53, 6, 230, 0.2);
    padding: var(--spacing-md) 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-xl);
    font-weight: 800;
    color: white;
    text-decoration: none;
    transition: opacity var(--transition-base);
}

.nav-logo:hover {
    opacity: 0.8;
}

.nav-logo img {
    height: 50px;
    width: auto;
}

.logo-text {
    color: #ffffff;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-xl);
}

.nav-link {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    font-weight: 500;
    font-size: var(--font-size-base);
    transition: all var(--transition-base);
    position: relative;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-md);
}

.nav-link:hover,
.nav-link.active {
    color: #ffffff;
    background: rgba(255, 255, 255, 0.2);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    right: 0;
    height: 2px;
    background: #ffffff;
    border-radius: var(--radius-full);
}

.nav-actions {
    display: flex;
    gap: var(--spacing-md);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-sm);
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: #ffffff;
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
}

.mobile-only {
    display: none;
}

/* ===================================
   BUTTONS
   =================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: var(--font-size-base);
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
    white-space: nowrap;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.btn-outline {
    background: rgba(255, 255, 255, 0.2);
    color: #ffffff;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-outline:hover {
    border-color: #ffffff;
    background: rgba(255, 255, 255, 0.3);
}

.btn-lg {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--font-size-lg);
}

/* ===================================
   CONTAINER
   =================================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* ===================================
   HERO SECTION
   =================================== */
.hero {
    padding: var(--spacing-xl) 0;
    min-height: 65vh;
    display: flex;
    align-items: center;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.hero-title {
    font-size: var(--font-size-5xl);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: var(--spacing-lg);
}

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: block;
}

.hero-description {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xl);
    line-height: 1.8;
}

.hero-actions {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-2xl);
}

.hero-stats {
    display: flex;
    gap: var(--spacing-2xl);
}

.stat {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: var(--font-size-2xl);
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

/* ===================================
   SPEEDTEST WIDGET REPLICA
   =================================== */
/* ===================================
   SPEEDTEST WIDGET REPLICA
   =================================== */
.speed-test-card {
    position: relative;
    width: 100%;
    max-width: 480px;
    margin: 0 auto;
    padding: 30px;
    /* Light Glassmorphism to match website */
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.8);
    border-radius: 40px;
    box-shadow: 0 20px 60px rgba(53, 6, 230, 0.15), inset 0 0 20px rgba(255, 255, 255, 0.5);
    color: var(--color-text-primary);
    font-family: 'Inter', sans-serif;
}

/* Header: Download / Upload */
.st-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 20px;
    padding: 0 20px;
}

.st-stat {
    text-align: center;
    opacity: 0.5;
    transition: all 0.3s ease;
    color: var(--color-text-secondary);
}

.st-stat.active {
    opacity: 1;
    transform: scale(1.05);
    color: var(--color-primary);
}

.st-label {
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 5px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 5px;
}

.st-value-lg {
    font-size: 32px;
    font-weight: 800;
    font-variant-numeric: tabular-nums;
    letter-spacing: -1px;
    color: var(--color-text-primary);
}

.st-stat.active .st-value-lg {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    filter: drop-shadow(0 4px 12px rgba(53, 6, 230, 0.2));
}

.st-stat.upload.active .st-value-lg {
    background: var(--gradient-primary);
    /* Same brand gradient for consistency */
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Gauge Container */
.st-gauge-container {
    position: relative;
    width: 100%;
    padding-bottom: 85%;
    /* Aspect Ratio */
    margin: 10px 0;
}

/* Center Content (in middle of gauge) */
.st-center-data {
    position: absolute;
    top: 60%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    width: 100%;
    pointer-events: none;
}

.st-main-value {
    font-size: 80px;
    font-weight: 900;
    line-height: 1;
    letter-spacing: -3px;
    font-variant-numeric: tabular-nums;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    filter: drop-shadow(0 10px 30px rgba(53, 6, 230, 0.2));
}

.st-unit {
    font-size: 16px;
    font-weight: 700;
    color: var(--color-text-secondary);
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-top: 5px;
}

/* Footer: Ping / Jitter */
.st-footer {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-top: 10px;
    padding-top: 20px;
    border-top: 1px solid rgba(0, 0, 0, 0.05);
}

.st-foot-stat {
    text-align: center;
}

.st-foot-label {
    font-size: 11px;
    text-transform: uppercase;
    color: var(--color-text-secondary);
    font-weight: 700;
    margin-bottom: 4px;
}

.st-foot-value {
    font-size: 20px;
    font-weight: 800;
    color: var(--color-primary);
}

/* Button */
.st-btn {
    display: block;
    width: 100%;
    margin-top: 25px;
    padding: 18px;
    background: var(--gradient-primary);
    border: none;
    color: white;
    font-size: 18px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    border-radius: 16px;
    cursor: pointer;
    box-shadow: 0 10px 25px rgba(53, 6, 230, 0.4);
    transition: all 0.3s ease;
}

.st-btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 15px 35px rgba(53, 6, 230, 0.5);
}

.st-btn:disabled {
    opacity: 0.7;
    cursor: wait;
    transform: none;
}

/* ===================================
   FEATURES SECTION
   =================================== */
.features {
    padding: var(--spacing-3xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.section-title {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    margin-bottom: var(--spacing-md);
}

.section-description {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

.feature-card {
    background: var(--color-bg-card);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    transition: all var(--transition-base);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 30px rgba(53, 6, 230, 0.15);
    border-color: var(--color-primary);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-lg);
    color: white;
}

.feature-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.feature-description {
    color: var(--color-text-secondary);
    line-height: 1.7;
}

/* ===================================
   PLANS SECTION
   =================================== */
.plans-header {
    padding: var(--spacing-3xl) 0 var(--spacing-xl) 0;
    text-align: center;
}

.page-title {
    font-size: var(--font-size-4xl);
    font-weight: 900;
    margin-bottom: var(--spacing-md);
}

.page-description {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    max-width: 700px;
    margin: 0 auto;
}

.plans {
    padding: var(--spacing-2xl) 0;
}

.plans-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
}

.plan-card {
    background: var(--color-bg-card);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-xl);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.plan-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(53, 6, 230, 0.2);
    border-color: var(--color-primary);
}

.plan-card.featured {
    border-color: var(--color-primary);
    background: linear-gradient(135deg, rgba(53, 6, 230, 0.05) 0%, rgba(136, 16, 225, 0.05) 100%);
    box-shadow: 0 4px 20px rgba(53, 6, 230, 0.15);
}

.plan-badge {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    background: var(--gradient-primary);
    color: white;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 700;
    text-transform: uppercase;
}

.plan-name {
    font-size: var(--font-size-2xl);
    font-weight: 800;
    margin-bottom: var(--spacing-sm);
}

.plan-speed {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
}

.plan-price {
    margin-bottom: var(--spacing-xl);
}

.price-amount {
    font-size: var(--font-size-4xl);
    font-weight: 900;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.price-currency {
    font-size: var(--font-size-xl);
}

.price-period {
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
}

.plan-features {
    list-style: none;
    margin-bottom: var(--spacing-xl);
}

.plan-features li {
    padding: var(--spacing-sm) 0;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-text-secondary);
}

.plan-features li::before {
    content: '✓';
    color: var(--color-success);
    font-weight: 700;
    font-size: var(--font-size-lg);
}

.plan-cta {
    width: 100%;
    padding: var(--spacing-md);
    background: var(--gradient-primary);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    font-weight: 700;
    cursor: pointer;
    transition: all var(--transition-base);
}

.plan-cta:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.plan-ift-folio {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    text-align: center;
    margin-top: var(--spacing-sm);
    font-style: italic;
}

/* ===================================
   COMPARISON TABLE
   =================================== */
.comparison {
    padding: var(--spacing-3xl) 0;
}

.comparison-table-wrapper {
    overflow-x: auto;
    margin-top: var(--spacing-xl);
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--color-bg-card);
    border-radius: var(--radius-xl);
    overflow: hidden;
}

.comparison-table th,
.comparison-table td {
    padding: var(--spacing-lg);
    text-align: center;
    border-bottom: 1px solid var(--color-border);
}

.comparison-table th {
    background: var(--gradient-primary);
    color: white;
    font-weight: 700;
    font-size: var(--font-size-base);
}

.comparison-table td.feature-name {
    text-align: left;
    font-weight: 600;
}

.comparison-table .featured-col {
    background: rgba(53, 6, 230, 0.1);
}

/* ===================================
   FAQ SECTION
   =================================== */
.faq {
    padding: var(--spacing-3xl) 0;
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

.faq-item {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    transition: all var(--transition-base);
}

.faq-item:hover {
    border-color: var(--color-primary);
    transform: translateY(-2px);
}

.faq-question {
    font-size: var(--font-size-lg);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--color-text-primary);
}

.faq-answer {
    color: var(--color-text-secondary);
    line-height: 1.7;
}

/* ===================================
   CTA SECTION
   =================================== */
.cta {
    padding: var(--spacing-3xl) 0;
    text-align: center;
}

.cta-content {
    background: var(--gradient-primary);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-3xl);
    box-shadow: var(--shadow-xl);
}

.cta-title {
    font-size: var(--font-size-3xl);
    font-weight: 900;
    margin-bottom: var(--spacing-md);
    color: white;
}

.cta-description {
    font-size: var(--font-size-lg);
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-xl);
}

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

.cta .btn-primary:hover {
    background: rgba(255, 255, 255, 0.9);
}

/* ===================================
   FOOTER
   =================================== */
.footer {
    background: var(--gradient-primary);
    border-top: none;
    padding: var(--spacing-2xl) 0 var(--spacing-lg) 0;
    margin-top: var(--spacing-3xl);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-lg);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-lg);
    font-weight: 800;
    margin-bottom: var(--spacing-sm);
    color: white;
}

.footer-logo img {
    height: 40px;
    width: auto;
}

.footer-description {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.5;
    font-size: var(--font-size-sm);
}

.footer-title {
    font-size: var(--font-size-base);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: white;
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.footer-links li {
    margin-bottom: var(--spacing-sm);
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color var(--transition-base);
    font-size: var(--font-size-sm);
}

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

.footer-section {
    color: white;
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    color: rgba(255, 255, 255, 0.8);
    font-size: var(--font-size-sm);
}

/* ===================================
   RESPONSIVE
   =================================== */
@media (max-width: 968px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-actions {
        justify-content: center;
    }

    .hero-stats {
        justify-content: center;
    }

    .nav-menu,
    .nav-actions {
        display: none;
    }

    .nav-menu.active {
        display: flex;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--gradient-primary);
        flex-direction: column;
        padding: var(--spacing-lg);
        align-items: center;
        gap: var(--spacing-md);
        box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    }

    .mobile-only {
        display: block;
    }

    .desktop-only {
        display: none;
    }

    .nav-toggle {
        display: flex;
    }

    .hero-title {
        font-size: var(--font-size-3xl);
    }

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

@media (max-width: 640px) {
    .hero-actions {
        flex-direction: column;
        width: 100%;
    }

    .btn {
        width: 100%;
    }

    .hero-stats {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .comparison-table {
        font-size: var(--font-size-sm);
    }

    .comparison-table th,
    .comparison-table td {
        padding: var(--spacing-sm);
    }
}