/* ============================================
   CSS Variables & Design Tokens
   ============================================ */
:root {
    /* Colors */
    --color-white: #ffffff;
    --color-black: #0a0a0a;
    --color-gray-50: #f9fafb;
    --color-gray-100: #f3f4f6;
    --color-gray-200: #e5e7eb;
    --color-gray-300: #d1d5db;
    --color-gray-400: #9ca3af;
    --color-gray-500: #6b7280;
    --color-gray-600: #4b5563;
    --color-gray-700: #374151;
    --color-gray-800: #1f2937;
    --color-gray-900: #111827;

    /* Primary Colors */
    --color-navy: #0f172a;
    --color-navy-dark: #020617;
    --color-lime: #a3e635;
    --color-lime-hover: #bef264;
    --color-green: #22c55e;
    --color-green-light: #dcfce7;

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 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: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;

    /* Spacing */
    --spacing-1: 0.25rem;
    --spacing-2: 0.5rem;
    --spacing-3: 0.75rem;
    --spacing-4: 1rem;
    --spacing-5: 1.25rem;
    --spacing-6: 1.5rem;
    --spacing-8: 2rem;
    --spacing-10: 2.5rem;
    --spacing-12: 3rem;
    --spacing-16: 4rem;
    --spacing-20: 5rem;
    --spacing-24: 6rem;

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.25rem;
    --radius-full: 9999px;

    /* Shadows */
    --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);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 200ms ease;
    --transition-slow: 300ms ease;
}

/* ============================================
   Reset & Base Styles
   ============================================ */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-gray-900);
    background-color: var(--color-white);
}

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

ul,
ol {
    list-style: none;
}

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

/* ============================================
   Layout
   ============================================ */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-6);
}

/* ============================================
   Header
   ============================================ */
.header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-gray-100);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 72px;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    font-weight: 700;
    font-size: var(--font-size-xl);
    color: var(--color-gray-900);
}

.logo-img {
    width: 36px;
    height: 36px;
    object-fit: contain;
}

.logo-icon {
    font-size: var(--font-size-2xl);
}

.nav {
    display: flex;
    align-items: center;
    gap: var(--spacing-8);
}

.nav-link {
    font-weight: 500;
    font-size: var(--font-size-sm);
    color: var(--color-gray-600);
    transition: color var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-gray-900);
}

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-3) var(--spacing-5);
    font-family: var(--font-family);
    font-weight: 600;
    font-size: var(--font-size-sm);
    border-radius: var(--radius-lg);
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
}

.btn-primary {
    background-color: var(--color-gray-900);
    color: var(--color-white);
}

.btn-primary:hover {
    background-color: var(--color-gray-800);
    transform: translateY(-1px);
}

.btn-dark {
    background-color: var(--color-lime);
    color: var(--color-navy-dark);
}

.btn-dark:hover {
    background-color: var(--color-lime-hover);
    transform: translateY(-1px);
}

.btn-lg {
    padding: var(--spacing-4) var(--spacing-8);
    font-size: var(--font-size-base);
}

.btn-full {
    width: 100%;
}

/* WhatsApp Button */
.btn-whatsapp {
    background-color: #25D366;
    color: var(--color-white);
    gap: var(--spacing-2);
}

.btn-whatsapp:hover {
    background-color: #1eb954;
    transform: translateY(-1px);
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4);
}

.whatsapp-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
    text-align: center;
    padding: var(--spacing-20) 0 var(--spacing-16);
    background: linear-gradient(180deg, var(--color-gray-50) 0%, var(--color-white) 100%);
}

.badge {
    display: inline-block;
    padding: var(--spacing-2) var(--spacing-4);
    background: var(--color-green-light);
    color: var(--color-green);
    font-weight: 600;
    font-size: var(--font-size-sm);
    border-radius: var(--radius-full);
    margin-bottom: var(--spacing-6);
}

.hero-title {
    font-size: var(--font-size-5xl);
    font-weight: 700;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-4);
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-gray-500);
    max-width: 500px;
    margin: 0 auto;
}

/* ============================================
   Pricing Section
   ============================================ */
.pricing-section {
    padding: var(--spacing-8) 0 var(--spacing-24);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-6);
}

/* ============================================
   Pricing Card
   ============================================ */
.pricing-card {
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-8);
    display: flex;
    flex-direction: column;
    transition: all var(--transition-slow);
    position: relative;
}

.pricing-card:hover {
    box-shadow: var(--shadow-xl);
    transform: translateY(-4px);
}

/* Featured Card Styling */
.pricing-card.featured {
    background: var(--color-navy);
    border-color: var(--color-navy);
}

.pricing-card.featured .card-title,
.pricing-card.featured .price-amount,
.pricing-card.featured .price-label,
.pricing-card.featured .feature-text {
    color: var(--color-white);
}

.pricing-card.featured .card-description {
    color: var(--color-gray-400);
}

.pricing-card.featured .feature-icon {
    color: var(--color-lime);
}

.featured-badge {
    position: absolute;
    top: var(--spacing-4);
    right: var(--spacing-4);
    background: var(--color-lime);
    color: var(--color-navy-dark);
    font-weight: 600;
    font-size: var(--font-size-xs);
    padding: var(--spacing-1) var(--spacing-3);
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Highlighted Card Styling (Gradient Border) */
.pricing-card.highlighted {
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    border: 2px solid transparent;
    background-clip: padding-box;
    position: relative;
}

.pricing-card.highlighted::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: var(--radius-2xl);
    padding: 2px;
    background: linear-gradient(135deg, #6366f1, #8b5cf6, #a855f7);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
}

.pricing-card.highlighted:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 40px -10px rgba(99, 102, 241, 0.3);
}

.pricing-card.highlighted .card-title {
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.pricing-card.highlighted .price-amount {
    color: #6366f1;
}

.pricing-card.highlighted .feature-icon {
    color: #8b5cf6;
}

.highlighted-badge {
    position: absolute;
    top: var(--spacing-4);
    right: var(--spacing-4);
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    color: var(--color-white);
    font-weight: 600;
    font-size: var(--font-size-xs);
    padding: var(--spacing-1) var(--spacing-3);
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Highlighted button style */
.pricing-card.highlighted .btn-primary {
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    border: none;
}

.pricing-card.highlighted .btn-primary:hover {
    background: linear-gradient(135deg, #4f46e5, #7c3aed);
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
}

/* Card Header */
.card-header {
    margin-bottom: var(--spacing-6);
}

.card-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-2);
}

.card-description {
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
    line-height: 1.5;
}

/* Pricing Display */
.card-pricing {
    margin-bottom: var(--spacing-6);
    padding-bottom: var(--spacing-6);
    border-bottom: 1px solid var(--color-gray-200);
}

.pricing-card.featured .card-pricing {
    border-color: rgba(255, 255, 255, 0.1);
}

.price-amount {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    color: var(--color-gray-900);
    letter-spacing: -0.02em;
}

.price-label {
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
    margin-left: var(--spacing-1);
}

/* Features List */
.features-list {
    flex: 1;
    margin-bottom: var(--spacing-8);
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-3);
    margin-bottom: var(--spacing-3);
}

.feature-icon {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    color: var(--color-green);
    margin-top: 2px;
}

.feature-text {
    font-size: var(--font-size-sm);
    color: var(--color-gray-700);
    line-height: 1.5;
}

/* Card Action */
.card-action {
    margin-top: auto;
}

/* ============================================
   CTA Section
   ============================================ */
.cta-section {
    text-align: center;
    padding: var(--spacing-20) 0;
    background: var(--color-gray-50);
    border-top: 1px solid var(--color-gray-100);
}

.cta-title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-4);
}

.cta-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-gray-500);
    margin-bottom: var(--spacing-8);
}

/* ============================================
   Footer
   ============================================ */
.footer {
    padding: var(--spacing-12) 0 var(--spacing-8);
    border-top: 1px solid var(--color-gray-100);
    background: var(--color-gray-50);
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-6);
    text-align: center;
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
}

.footer-brand {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-2);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    font-weight: 700;
    font-size: var(--font-size-lg);
    color: var(--color-gray-900);
}

.footer-logo-img {
    width: 32px;
    height: 32px;
    object-fit: contain;
}

.footer-tagline {
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-4);
}

.footer-links a {
    color: var(--color-gray-600);
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--color-gray-900);
}

.footer-copyright {
    font-size: var(--font-size-xs);
    color: var(--color-gray-400);
    margin-top: var(--spacing-4);
}

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 1024px) {
    .pricing-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .header-content {
        height: 64px;
    }

    .nav {
        display: none;
    }

    .hero {
        padding: var(--spacing-12) 0 var(--spacing-10);
    }

    .hero-title {
        font-size: var(--font-size-4xl);
    }

    .hero-subtitle {
        font-size: var(--font-size-base);
    }

    .pricing-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-4);
    }

    .pricing-card {
        padding: var(--spacing-6);
    }

    .cta-section {
        padding: var(--spacing-12) 0;
    }

    .cta-title {
        font-size: var(--font-size-2xl);
    }

    .footer-content {
        flex-direction: column;
        gap: var(--spacing-4);
        text-align: center;
    }
}

/* ============================================
   Animations
   ============================================ */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.pricing-card {
    animation: fadeInUp 0.5s ease forwards;
    opacity: 0;
}

.pricing-card:nth-child(1) {
    animation-delay: 0.1s;
}

.pricing-card:nth-child(2) {
    animation-delay: 0.2s;
}

.pricing-card:nth-child(3) {
    animation-delay: 0.3s;
}

.pricing-card:nth-child(4) {
    animation-delay: 0.4s;
}

.pricing-card:nth-child(5) {
    animation-delay: 0.5s;
}

.pricing-card:nth-child(6) {
    animation-delay: 0.6s;
}

/* ============================================
   Modal Styles
   ============================================ */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: var(--spacing-6);
    opacity: 0;
    transition: opacity var(--transition-slow);
}

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

.modal {
    background: var(--color-white);
    border-radius: var(--radius-2xl);
    max-width: 900px;
    width: 100%;
    max-height: 90vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    transform: scale(0.95) translateY(20px);
    transition: transform var(--transition-slow);
}

.modal-overlay.active .modal {
    transform: scale(1) translateY(0);
}

.modal-close {
    position: absolute;
    top: var(--spacing-4);
    right: var(--spacing-4);
    width: 40px;
    height: 40px;
    border: none;
    background: var(--color-gray-100);
    border-radius: var(--radius-full);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    z-index: 10;
}

.modal-close:hover {
    background: var(--color-gray-200);
    transform: rotate(90deg);
}

.modal-close svg {
    width: 20px;
    height: 20px;
    color: var(--color-gray-600);
}

.modal-header {
    position: relative;
    padding: var(--spacing-8);
    background: linear-gradient(135deg, var(--color-navy) 0%, var(--color-navy-dark) 100%);
    text-align: center;
}

.modal-badge {
    display: inline-block;
    padding: var(--spacing-1) var(--spacing-3);
    background: var(--color-lime);
    color: var(--color-navy-dark);
    font-weight: 600;
    font-size: var(--font-size-xs);
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-4);
}

.modal-title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: var(--spacing-2);
}

.modal-description {
    font-size: var(--font-size-base);
    color: var(--color-gray-400);
}

.modal-content {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-6);
    background: var(--color-gray-50);
}

.tiers-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-4);
}

/* Tier Cards */
.tier-card {
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-xl);
    padding: var(--spacing-5);
    transition: all var(--transition-base);
}

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

.tier-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-3);
    flex-wrap: wrap;
    gap: var(--spacing-2);
}

.tier-name {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-gray-900);
}

.tier-price {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--color-green);
    background: var(--color-green-light);
    padding: var(--spacing-1) var(--spacing-3);
    border-radius: var(--radius-full);
}

.tier-best-for {
    font-size: var(--font-size-sm);
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-3);
    line-height: 1.5;
}

.tier-best-for strong {
    color: var(--color-gray-700);
}

.tier-tech {
    font-size: var(--font-size-sm);
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-3);
    padding: var(--spacing-2) var(--spacing-3);
    background: var(--color-gray-100);
    border-radius: var(--radius-md);
}

.tier-includes {
    margin-top: var(--spacing-4);
    padding-top: var(--spacing-4);
    border-top: 1px solid var(--color-gray-100);
}

.tier-includes-label {
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: var(--color-gray-500);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-3);
}

.tier-includes-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2);
}

.tier-include-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-2);
    font-size: var(--font-size-sm);
    color: var(--color-gray-700);
    line-height: 1.4;
}

.tier-include-item .feature-icon {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
    margin-top: 2px;
}

.modal-footer {
    padding: var(--spacing-6);
    background: var(--color-white);
    border-top: 1px solid var(--color-gray-100);
    text-align: center;
}

.modal-footer-text {
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
    margin-top: var(--spacing-3);
}

/* Modal Responsive */
@media (max-width: 768px) {
    .modal-overlay {
        padding: 0;
        align-items: flex-end;
    }

    .modal {
        max-height: 95vh;
        border-radius: var(--radius-2xl) var(--radius-2xl) 0 0;
    }

    .modal-header {
        padding: var(--spacing-6);
    }

    .modal-title {
        font-size: var(--font-size-2xl);
    }

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

    .tier-header {
        flex-direction: column;
        align-items: flex-start;
    }
}