/* ==========================================================================
   Table of Contents:
   1. Variables
   2. Base Styles
   3. Utility Classes
   4. Layout Components
   5. Header & Navigation
   6. Hero Section
   7. Features Section
   8. Pricing Section
   9. Testimonials Section
   10. Footer
   11. Buttons & Interactive Elements
   12. Animations
   13. Media Queries
   ========================================================================== */

/* 1. Variables
   ========================================================================== */
:root {
    /* Color palette */
    --primary: #2563eb;
    --primary-dark: #1e40af;
    --primary-light: #3b82f6;
    --primary-lighter: #60a5fa;
    --primary-lightest: #93c5fd;
    --primary-ultralight: #bfdbfe;

    /* Neutrals */
    --background: #ffffff;
    --text: #1f2937;
    --text-light: #6b7280;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;

    /* Other Brand Colors */
    --success: #10b981;
    --warning: #f59e0b;
    --error: #ef4444;

    /* Typography */
    --font-family: 'Inter', sans-serif;

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

    /* Borders */
    --border-radius-sm: 0.5rem;
    --border-radius-md: 0.75rem;
    --border-radius-lg: 1rem;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

/* 2. Base Styles
   ========================================================================== */
* {
    box-sizing: border-box;
    padding: 0;
    margin: 0;
}

body {
    font-family: var(--font-family);
    color: var(--text);
    line-height: 1.5;
    background-color: var(--gray-50);
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('/hero.svg');
    background-size: cover;
    background-position: center;
    z-index: -1;
    will-change: transform;
}

h1, h2, h3, h4, h5, h6 {
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

p {
    margin-bottom: var(--spacing-md);
}

a {
    color: var(--text);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

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

/* 3. Utility Classes
   ========================================================================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

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

.hidden {
    display: none;
}

.show {
    display: block;
}

/* 4. Layout Components
   ========================================================================== */
section {
    padding: 4rem 0; /* Balanced section spacing */
}

section h2 {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 2.5rem; /* Balanced heading spacing */
}

/* 5. Header & Navigation
   ========================================================================== */
.header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--gray-200);
    position: fixed;
    width: 100%;
    z-index: 1000;
    top: 0;
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 75px; /* Balanced height */
}

.logo-container {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.logo {
    font-size: 1.25rem;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0;
    letter-spacing: 0.08em;
}

.logo .logo-histo {
    font-weight: 400;
    color: var(--primary-dark);
}

.logo .logo-future {
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-lighter) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

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

.nav-link {
    text-decoration: none;
    color: var(--text);
    font-weight: 500;
    font-size: 0.875rem;
    transition: color var(--transition-fast);
    position: relative;
    padding: 0.5rem 0; /* Added padding for better touch target */
}

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

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--primary);
}

/* Special styling for sign-up link */
.sign-up {
    color: var(--primary);
    font-weight: 600;
}

/* Mobile Navigation */
.mobile-menu-button {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    transition: color var(--transition-fast);
    padding: 0.5rem; /* Added padding for better touch target */
}

.mobile-menu-button:hover {
    color: var(--primary);
}

.mobile-nav {
    background: white;
    border-top: 1px solid var(--gray-200);
    box-shadow: var(--shadow-md);
    display: none;
}

.mobile-nav.show {
    display: block;
}

.mobile-nav-link {
    display: block;
    padding: 1rem 1.25rem; /* Balanced padding */
    text-decoration: none;
    color: var(--text);
    font-weight: 500;
    border-bottom: 1px solid var(--gray-100);
    transition: background-color var(--transition-fast), color var(--transition-fast);
}

.mobile-nav-link:hover {
    background-color: var(--gray-50);
    color: var(--primary);
}

/* Skip-to-content enhancement */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

.sr-only.skip-to-content:focus {
    position: fixed;
    top: 0;
    left: 0;
    padding: 1rem;
    background: var(--primary);
    color: white;
    z-index: 2000;
    width: auto;
    height: auto;
    clip: auto;
    margin: 10px;
}

/* Account for fixed header */
main {
    padding-top: 75px;
}

/* 6. Hero Section
   ========================================================================== */
.hero {
    text-align: center;
    padding: 4rem 0 3rem; /* Balanced hero padding */
    position: relative;
    overflow: visible;
    min-height: 500px;
}

/* Animated background pattern */
.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 20%, rgba(37, 99, 235, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(37, 99, 235, 0.1) 0%, transparent 50%);
    z-index: 1;
}

.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.3);
    z-index: 1;
}

.hero .container {
    position: relative;
    z-index: 2;
}

.hero-content {
    max-width: 1400px;
    margin: 0 auto;
}

.hero h1 {
    position: relative;
    z-index: 2;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    font-size: 4rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-align: center;
    line-height: 1.2;
    margin-bottom: 1.25rem; /* Balanced spacing */
    letter-spacing: -0.02em;
    animation: fadeInUp 0.8s ease-out;
}

.hero p {
    font-size: 1.1rem;
    color: var(--text);
    text-align: center;
    max-width: 1300px;
    margin: 0 auto 1.25rem; /* Balanced spacing */
    line-height: 1.8;
    animation: fadeInUp 0.8s ease-out 0.2s backwards;
    position: relative;
    z-index: 2;
}

.hero p.second {
    font-size: 1rem;
    color: var(--text-light);
    text-align: center;
    max-width: 800px;
    margin: 0 auto 2rem; /* Balanced spacing */
    line-height: 1.8;
    animation: fadeInUp 0.8s ease-out 0.2s backwards;
    position: relative;
    z-index: 2;
}

.hero-subtitle {
    font-size: 1.3rem;
    color: var(--primary-light);
    text-align: center;
    max-width: 800px;
    margin: 0 auto 1.25rem; /* Balanced spacing */
    line-height: 1.8;
    animation: fadeInUp 0.8s ease-out 0.2s backwards;
    position: relative;
    z-index: 2;
}

.hero-description {
    font-size: 1.125rem;
    color: var(--text);
    text-align: center;
    max-width: 800px;
    margin: 0 auto 2rem; /* Balanced spacing */
    line-height: 1.8;
    animation: fadeInUp 0.8s ease-out 0.2s backwards;
    position: relative;
    z-index: 2;
}

/* 7. Features Section
   ========================================================================== */
.features {
    padding: 3rem 0; /* Balanced section padding */
    background: rgba(255, 255, 255, 0.65);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem; /* Increased gap for more vertical space */
}

.feature-card {
    background: white;
    border-radius: var(--border-radius-lg);
    padding: 1.75rem; /* Balanced padding */
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    height: 100%; /* Ensure all cards in a row are the same height */
    margin-bottom: 1.5rem; /* Increased bottom margin for more space */
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 33.333333%;
    height: 4px;
    background: var(--primary);
    border-top-right-radius: var(--border-radius-lg);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.feature-content {
    height: 100%;
    display: flex;
    flex-direction: column;
}

.feature-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: 1rem; /* Balanced spacing */
}

.feature-icon {
    padding: 5px;
    width: 2.5rem;
    height: 2.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #EEF2FF;
    color: var(--primary);
    border-radius: var(--border-radius-md);
    transition: all var(--transition-normal);
}

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

.feature-image {
    margin-top: auto;
    padding-top: 1.25rem; /* Balanced spacing */
}

.feature-image img {
    width: 120%;
    max-width: 120%;
    margin-left: -10%;
}

/* 8. Pricing Section
   ========================================================================== */
.pricing {
    padding: 4rem 0;
    background: linear-gradient(180deg, rgba(249, 250, 251, 0.6) 0%, rgba(238, 242, 255, 0.4) 100%);
    position: relative;
}

.pricing-subtitle {
    text-align: center;
    color: var(--text-light);
    font-size: 1.1rem;
    margin-top: -1.5rem;
    margin-bottom: 2.5rem;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    max-width: 900px;
    margin: 0 auto;
    align-items: center;
}

.price-card {
    background: white;
    border-radius: 1rem;
    padding: 2.5rem 2rem 2rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
    position: relative;
    overflow: hidden;
    border: 1px solid var(--gray-200);
    display: flex;
    flex-direction: column;
}

.price-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.1);
}

/* Highlighted / Popular card */
.price-card.highlighted {
    border: 2px solid var(--primary);
    box-shadow: 0 8px 30px rgba(37, 99, 235, 0.12);
    transform: scale(1.03);
    padding-top: 3rem;
}

.price-card.highlighted:hover {
    transform: scale(1.03) translateY(-6px);
    box-shadow: 0 16px 48px rgba(37, 99, 235, 0.18);
}

/* Popular badge */
.popular-badge {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    color: white;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.3rem 1.25rem;
    border-radius: 0 0 0.5rem 0.5rem;
    letter-spacing: 0.03em;
    text-transform: uppercase;
}

/* Plan icon */
.plan-icon {
    width: 3rem;
    height: 3rem;
    border-radius: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    font-size: 1.25rem;
    background: #eef2ff;
    color: var(--primary);
    transition: all var(--transition-normal);
}

.price-card:hover .plan-icon {
    transform: scale(1.1);
}

.price-card.highlighted .plan-icon {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    color: white;
}

.price-header {
    text-align: center;
    margin-bottom: 1.5rem;
    padding-bottom: 1.25rem;
    border-bottom: 1px solid var(--gray-100);
}

.price-header h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: var(--text);
}

.price {
    font-size: 2.75rem;
    font-weight: 800;
    color: var(--text);
    display: flex;
    align-items: baseline;
    justify-content: center;
    line-height: 1;
    margin-bottom: 0.25rem;
}

.price-card.highlighted .price {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.price span {
    font-size: 0.875rem;
    font-weight: 500;
    margin-left: var(--spacing-xs);
    color: var(--text-light);
    -webkit-text-fill-color: var(--text-light);
}

.price-period {
    font-size: 0.8rem;
    color: var(--text-light);
    margin: 0;
}

.feature-list {
    list-style: none;
    margin: 0;
    padding: 0;
    flex: 1;
}

.feature-list li {
    display: flex;
    align-items: flex-start;
    margin-bottom: 0.85rem;
    font-size: 0.9rem;
    line-height: 1.5;
    color: var(--text);
}

.feature-list li i {
    color: var(--primary);
    margin-right: 0.75rem;
    font-size: 0.8rem;
    flex-shrink: 0;
    margin-top: 0.25rem;
}

.price-card.highlighted .feature-list li i {
    color: var(--primary);
}

.feature-list .note {
    font-size: 0.8rem;
    color: var(--text-light);
    margin-top: -0.25rem;
    margin-left: 1.55rem;
    margin-bottom: 0.85rem;
    font-style: italic;
    display: block;
}

/* CTA buttons */
.price-cta {
    display: block;
    text-align: center;
    padding: 0.8rem 1.5rem;
    border-radius: 0.6rem;
    font-weight: 600;
    font-size: 0.9rem;
    margin-top: 1.5rem;
    transition: all var(--transition-normal);
    text-decoration: none;
    border: 2px solid var(--primary);
    color: var(--primary);
    background: transparent;
}

.price-cta:hover {
    background: var(--primary);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.25);
}

.price-cta-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    color: white;
    border-color: transparent;
}

.price-cta-primary:hover {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
    color: white;
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.35);
}


/* 9. Testimonials Section
   ========================================================================== */
/* Updated Testimonials Section to place title and content in one line */
.testimonials {
    padding: 3rem 0;
    background: rgba(255, 255, 255, 0.6);
}

.testimonials .container {
    display: flex;
    align-items: center;
    gap: 2rem;
    max-width: 1200px;
}

#testimonials-heading {
    flex: 0 0 auto;
    width: 25%;
    margin-bottom: 0;
    text-align: right;
    font-size: 2rem;
}

.testimonial-container {
    flex: 1;
    position: relative;
}

.testimonial-cards {
    position: relative;
    height: 200px;
    margin-bottom: 1rem;
}

.testimonial-card {
    position: absolute;
    background: white;
    border-radius: var(--border-radius-md);
    padding: 1.75rem 2rem;
    box-shadow: var(--shadow-sm);
    text-align: left;
    width: 100%;
    opacity: 0;
    transition: opacity 0.4s ease, transform 0.4s ease;
    transform: translateY(12px);
    z-index: 1;
}

.testimonial-card.active {
    opacity: 1;
    transform: translateY(0);
    z-index: 2;
}

/* Media query for mobile devices */
@media (max-width: 768px) {
    .testimonials .container {
        flex-direction: column;
        gap: 1rem;
    }

    #testimonials-heading {
        width: 100%;
        text-align: center;
        margin-bottom: 1.5rem;
    }

    .testimonial-container {
        width: 100%;
    }
}

.quote {
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 0.75rem;
    color: var(--text);
    position: relative;
    font-style: italic;
}

.quote::before {
    content: '';
    position: absolute;
    top: -8px;
    left: -4px;
    width: 28px;
    height: 20px;
    background: var(--primary);
    opacity: 0.08;
    border-radius: 4px;
}

.author {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text);
    font-style: normal;
}

.author-role {
    font-weight: 400;
    color: var(--text-light);
    margin-left: 0.25rem;
}

.author-role::before {
    content: '·';
    margin-right: 0.35rem;
    color: var(--primary-lighter);
}

.testimonial-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
}

.nav-arrow {
    background: white;
    border: 1px solid var(--gray-200);
    border-radius: 50%;
    width: 1.75rem; /* Slightly reduced size */
    height: 1.75rem; /* Slightly reduced size */
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.nav-arrow:hover {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

.dots {
    display: flex;
    gap: 6px;
    align-items: center;
}

.dot {
    width: 20px;
    height: 3px;
    border-radius: 2px;
    background: var(--gray-200);
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
    padding: 0;
}

.dot:hover {
    background: var(--primary-lightest);
}

.dot.active {
    width: 36px;
    background: var(--primary);
}

/* 10. Footer
   ========================================================================== */
/* Updated Footer to place all content in one line */
.footer {
    background: rgba(243, 244, 246, 0.75);
    padding: 1.5rem 0;
    border-top: 1px solid var(--gray-200);
}

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

.footer-logo {
    display: flex;
    align-items: center;
}

.footer-links {
    display: flex;
    gap: 1.5rem;
    margin: 0;
}

.footer-links a {
    text-decoration: none;
    position: relative;
    color: var(--text-light);
    font-size: 0.875rem;
    transition: color var(--transition-normal);
    padding: 0.5rem 0;
}

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

.footer-links a:after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: width var(--transition-normal);
}

.footer-links a:hover:after {
    width: 100%;
}

.copyright {
    color: var(--text-light);
    font-size: 0.875rem;
    margin: 0;
}

/* Media query for mobile devices */
@media (max-width: 768px) {
    .footer-content {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

    .footer-links {
        justify-content: center;
        margin: 0.75rem 0;
    }
}

.copyright {
    color: var(--text-light);
    font-size: 0.875rem;
    margin-top: 0.75rem; /* Added balanced margin */
}

/* 11. Buttons & Interactive Elements
   ========================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius-md);
    font-weight: 500;
    font-size: 0.875rem;
    transition: all var(--transition-fast);
    text-decoration: none;
    cursor: pointer;
    border: none;
}

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

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

/* 12. Animations
   ========================================================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-20px);
    }
}

/* 13. Media Queries
   ========================================================================== */
@media (max-width: 768px) {
    /* Navigation */
    .mobile-menu-button {
        display: block;
    }

    .nav-links {
        display: none;
    }

    /* Typography */
    .hero h1 {
        font-size: 2.5rem;
        margin-top: 1.5rem;
        margin-bottom: 1rem;
    }

    .hero-subtitle {
        font-size: 1.125rem;
        margin-bottom: 1rem;
    }

    .hero-description {
        font-size: 1rem;
        margin-bottom: 1.5rem;
    }

    section h2 {
        font-size: 2rem;
        margin-bottom: 2rem;
    }

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

    .pricing-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
    }

    .price-card.highlighted {
        transform: scale(1);
    }

    .price-card.highlighted:hover {
        transform: translateY(-6px);
    }

    .pricing-subtitle {
        font-size: 1rem;
        margin-bottom: 2rem;
    }

    /* Section Spacing */
    section {
        padding: 3rem 0; /* Reduced for mobile */
    }

    .hero {
        padding: 4.5rem 0 2.5rem; /* Adjusted for mobile */
        min-height: 400px; /* Adjusted for mobile */
    }

    /* Cards */
    .feature-card, .price-card {
        padding: 1.5rem; /* Reduced padding for mobile */
        margin-bottom: 1.5rem; /* Maintained vertical spacing */
    }

    /* Testimonials */
    .testimonial-cards {
        height: 240px; /* Adjusted for mobile */
    }

    .quote {
        font-size: 0.875rem;
    }

    /* Footer */
    .footer-links {
        gap: 1.25rem;
        padding: 0 var(--spacing-md);
        text-align: center;
    }

    .footer {
        padding: 2rem 0 1.25rem;
    }
}

/* Additional Mobile Menu Styles */
@media (max-width: 768px) {
    #mobile-menu.show {
        padding-top: 0.5rem;
        padding-bottom: 0.5rem;
    }
}

/* Fix for extra margin on last items in lists */
.feature-list li:last-child {
    margin-bottom: 0;
}

/* Noscript notice styling */
.noscript-notice {
    background-color: var(--error);
    color: white;
    padding: 1rem 0;
    position: fixed;
    bottom: 0;
    width: 100%;
    z-index: 2000;
    text-align: center;
}