/* Adero Bright - Design System CSS */
/* Colors from design pattern */
:root {
    /* Primary Colors */
    --azure-radiance: #0A73FF;
    --blaze-orange: #FF6A00;
    --persian-green: #00B388;
    --gold: #FFD300;

    /* Neutrals */
    --neutral-white: #FFFFFF;
    --neutral-100: #F5F5F5;
    --neutral-200: #E5E5E5;
    --neutral-300: #D4D4D4;
    --neutral-400: #A3A3A3;
    --neutral-500: #737373;
    --neutral-600: #525252;
    --neutral-700: #404040;
    --neutral-800: #262626;
    --neutral-900: #171717;
    --neutral-black: #000000;

    /* Semantic Colors */
    --primary: var(--azure-radiance);
    --secondary: var(--blaze-orange);
    --success: var(--persian-green);
    --warning: var(--gold);

    /* Typography */
    --font-heading: 'Sora', sans-serif;
    --font-body: 'Inter', sans-serif;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    --spacing-4xl: 5rem;

    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --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);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);

    /* Container */
    --container-max: 1280px;
    --container-padding: 5%;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--neutral-800);
    background-color: var(--neutral-white);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    color: var(--neutral-900);
}

h1 { font-size: 3.5rem; }
h2 { font-size: 3rem; }
h3 { font-size: 2.5rem; }
h4 { font-size: 2rem; }
h5 { font-size: 1.5rem; }
h6 { font-size: 1.25rem; }

p {
    margin-bottom: 1rem;
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover {
    color: var(--azure-radiance);
}

/* Container */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.container-large {
    max-width: 80rem;
}

.container-medium {
    max-width: 64rem;
}

.container-small {
    max-width: 48rem;
}

/* Sections */
.section {
    padding: var(--spacing-4xl) 0;
}

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

.section-lg {
    padding: var(--spacing-4xl) 0;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.75rem;
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 500;
    line-height: 1;
    text-decoration: none;
    border: 2px solid transparent;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all 0.2s ease;
}

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

.btn-primary:hover {
    background-color: #0860D6;
    border-color: #0860D6;
    color: var(--neutral-white);
}

.btn-secondary {
    background-color: transparent;
    color: var(--neutral-white);
    border-color: var(--neutral-white);
}

.btn-secondary:hover {
    background-color: var(--neutral-white);
    color: var(--neutral-900);
}

.btn-outline {
    background-color: transparent;
    color: var(--primary);
    border-color: var(--primary);
}

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

.btn-orange {
    background-color: var(--blaze-orange);
    color: var(--neutral-white);
    border-color: var(--blaze-orange);
}

.btn-orange:hover {
    background-color: #E55F00;
    border-color: #E55F00;
    color: var(--neutral-white);
}

.btn-green {
    background-color: var(--persian-green);
    color: var(--neutral-white);
    border-color: var(--persian-green);
}

.btn-green:hover {
    background-color: #009973;
    border-color: #009973;
    color: var(--neutral-white);
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

.btn-group {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: var(--neutral-black);
}

.navbar-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 4.5rem;
    padding: 0 var(--container-padding);
    max-width: var(--container-max);
    margin: 0 auto;
}

.navbar-brand {
    display: flex;
    align-items: center;
}

.navbar-logo {
    height: 2rem;
    width: auto;
}

.navbar-logo-text {
    font-family: 'Georgia', serif;
    font-size: 1.5rem;
    font-weight: 400;
    font-style: italic;
    color: var(--neutral-white);
}

.navbar-menu {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.navbar-link {
    padding: 0.5rem 1rem;
    color: var(--neutral-white);
    font-weight: 400;
    transition: color 0.2s ease;
}

.navbar-link:hover,
.navbar-link.active {
    color: var(--neutral-300);
}

.navbar-dropdown {
    position: relative;
}

.navbar-dropdown-toggle {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.5rem 1rem;
    color: var(--neutral-white);
    font-weight: 400;
    cursor: pointer;
    transition: color 0.2s ease;
}

.navbar-dropdown-toggle:hover {
    color: var(--neutral-300);
}

.navbar-dropdown-icon {
    width: 1rem;
    height: 1rem;
    transition: transform 0.2s ease;
}

.navbar-dropdown:hover .navbar-dropdown-icon {
    transform: rotate(180deg);
}

.navbar-dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 200px;
    background-color: var(--neutral-white);
    border: 1px solid var(--neutral-200);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.2s ease;
}

.navbar-dropdown:hover .navbar-dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.navbar-dropdown-link {
    display: block;
    padding: 0.75rem 1rem;
    color: var(--neutral-700);
    transition: background-color 0.2s ease;
}

.navbar-dropdown-link:hover {
    background-color: var(--neutral-100);
    color: var(--primary);
}

.navbar-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.navbar-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    padding: 0.5rem;
    background: none;
    border: none;
    cursor: pointer;
}

.navbar-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--neutral-white);
    transition: all 0.2s ease;
}

/* Hero Section */
.hero {
    padding-top: 8rem;
    padding-bottom: var(--spacing-4xl);
    background-color: var(--neutral-black);
    color: var(--neutral-white);
}

.hero-content {
    text-align: center;
    max-width: 48rem;
    margin: 0 auto;
}

.hero-title {
    margin-bottom: var(--spacing-lg);
    color: var(--neutral-white);
}

.hero-subtitle {
    font-size: 1.125rem;
    color: var(--neutral-400);
    margin-bottom: var(--spacing-xl);
}

.hero .section-label {
    background-color: rgba(255, 255, 255, 0.15);
    color: var(--neutral-white);
}

.hero-actions {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: var(--spacing-2xl);
}

.hero-image {
    margin-top: var(--spacing-2xl);
}

.hero-image img {
    width: 100%;
    max-width: 900px;
    height: auto;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
}

/* Cards */
.card {
    background-color: var(--neutral-white);
    border: 1px solid var(--neutral-200);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: box-shadow 0.2s ease, transform 0.2s ease;
}

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

.card-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.card-body {
    padding: var(--spacing-lg);
}

.card-title {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
}

.card-text {
    color: var(--neutral-600);
    margin-bottom: var(--spacing-md);
}

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

.feature-card {
    text-align: center;
    padding: var(--spacing-xl);
}

.feature-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--neutral-100);
    border-radius: var(--radius-lg);
    color: var(--primary);
}

.feature-icon svg {
    width: 32px;
    height: 32px;
}

.feature-title {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
}

.feature-text {
    color: var(--neutral-600);
}

/* Grid Layouts */
.grid {
    display: grid;
    gap: var(--spacing-xl);
}

.grid-2 {
    grid-template-columns: repeat(2, 1fr);
}

.grid-3 {
    grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
    grid-template-columns: repeat(4, 1fr);
}

/* Logo Cloud */
.logo-cloud {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-2xl);
}

.logo-cloud img {
    height: 40px;
    width: auto;
    filter: grayscale(100%);
    opacity: 0.6;
    transition: all 0.2s ease;
}

.logo-cloud img:hover {
    filter: grayscale(0%);
    opacity: 1;
}

/* Testimonials */
.testimonial-card {
    padding: var(--spacing-xl);
    background-color: var(--neutral-100);
    border-radius: var(--radius-lg);
}

.testimonial-text {
    font-size: 1.125rem;
    font-style: italic;
    margin-bottom: var(--spacing-lg);
}

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

.testimonial-avatar {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-full);
    object-fit: cover;
}

.testimonial-name {
    font-weight: 600;
}

.testimonial-role {
    color: var(--neutral-600);
    font-size: 0.875rem;
}

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

.pricing-card {
    padding: var(--spacing-xl);
    background-color: var(--neutral-white);
    border: 1px solid var(--neutral-200);
    border-radius: var(--radius-lg);
    text-align: center;
}

.pricing-card.featured {
    border-color: var(--primary);
    box-shadow: var(--shadow-lg);
}

.pricing-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background-color: var(--primary);
    color: var(--neutral-white);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    border-radius: var(--radius-full);
    margin-bottom: var(--spacing-md);
}

.pricing-title {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
}

.pricing-price {
    font-size: 3rem;
    font-weight: 700;
    color: var(--neutral-900);
}

.pricing-price span {
    font-size: 1rem;
    font-weight: 400;
    color: var(--neutral-600);
}

.pricing-features {
    list-style: none;
    margin: var(--spacing-xl) 0;
    text-align: left;
}

.pricing-features li {
    padding: 0.5rem 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.pricing-features li::before {
    content: "✓";
    color: var(--persian-green);
    font-weight: 700;
}

/* Forms */
.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: 0.75rem 1rem;
    font-family: var(--font-body);
    font-size: 1rem;
    border: 1px solid var(--neutral-300);
    border-radius: var(--radius-md);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(10, 115, 255, 0.1);
}

.form-textarea {
    min-height: 150px;
    resize: vertical;
}

/* Footer */
.footer {
    background-color: var(--neutral-900);
    color: var(--neutral-white);
    padding: var(--spacing-4xl) 0 var(--spacing-xl);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr repeat(3, 1fr);
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

.footer-brand {
    max-width: 300px;
}

.footer-logo {
    font-family: 'Georgia', serif;
    font-size: 1.5rem;
    font-weight: 400;
    font-style: italic;
    color: var(--neutral-white);
    margin-bottom: var(--spacing-md);
}

.footer-desc {
    color: var(--neutral-400);
    margin-bottom: var(--spacing-lg);
}

.footer-social {
    display: flex;
    gap: var(--spacing-md);
}

.footer-social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: var(--neutral-800);
    border-radius: var(--radius-md);
    color: var(--neutral-white);
    transition: background-color 0.2s ease;
}

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

.footer-title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    color: var(--neutral-white);
}

.footer-links {
    list-style: none;
}

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

.footer-links a {
    color: var(--neutral-400);
    transition: color 0.2s ease;
}

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

.footer-bottom {
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--neutral-800);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-copyright {
    color: var(--neutral-400);
}

/* CTA Section */
.cta-section {
    background-color: var(--primary);
    color: var(--neutral-white);
    text-align: center;
    padding: var(--spacing-4xl) 0;
}

.cta-title {
    color: var(--neutral-white);
    margin-bottom: var(--spacing-md);
}

.cta-text {
    font-size: 1.125rem;
    opacity: 0.9;
    margin-bottom: var(--spacing-xl);
}

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

.cta-section .btn-primary:hover {
    background-color: var(--neutral-100);
}

/* Blog */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-xl);
}

.blog-card {
    background-color: var(--neutral-white);
    border: 1px solid var(--neutral-200);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.blog-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.blog-body {
    padding: var(--spacing-lg);
}

.blog-category {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    background-color: var(--neutral-100);
    color: var(--primary);
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-sm);
}

.blog-title {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
}

.blog-excerpt {
    color: var(--neutral-600);
    margin-bottom: var(--spacing-md);
}

.blog-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    color: var(--neutral-500);
    font-size: 0.875rem;
}

/* Section Headers */
.section-header {
    text-align: center;
    max-width: 48rem;
    margin: 0 auto var(--spacing-2xl);
}

.section-label {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background-color: var(--neutral-100);
    color: var(--primary);
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    margin-bottom: var(--spacing-md);
}

.section-title {
    margin-bottom: var(--spacing-md);
}

.section-subtitle {
    color: var(--neutral-600);
    font-size: 1.125rem;
}

/* Stats */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-xl);
    text-align: center;
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary);
    font-family: var(--font-heading);
}

.stat-label {
    color: var(--neutral-600);
}

/* Tabs */
.tabs {
    display: flex;
    gap: var(--spacing-sm);
    border-bottom: 1px solid var(--neutral-200);
    margin-bottom: var(--spacing-xl);
}

.tab {
    padding: var(--spacing-md) var(--spacing-lg);
    background: none;
    border: none;
    color: var(--neutral-600);
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    margin-bottom: -1px;
    transition: all 0.2s ease;
}

.tab:hover,
.tab.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
}

/* Utilities */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.text-primary { color: var(--primary); }
.text-secondary { color: var(--secondary); }
.text-success { color: var(--persian-green); }
.text-warning { color: var(--gold); }
.text-muted { color: var(--neutral-600); }

.bg-primary { background-color: var(--primary); }
.bg-secondary { background-color: var(--neutral-100); }
.bg-dark { background-color: var(--neutral-900); }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }
.mb-4 { margin-bottom: var(--spacing-xl); }
.mb-5 { margin-bottom: var(--spacing-2xl); }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }
.mt-4 { margin-top: var(--spacing-xl); }
.mt-5 { margin-top: var(--spacing-2xl); }

.py-1 { padding-top: var(--spacing-sm); padding-bottom: var(--spacing-sm); }
.py-2 { padding-top: var(--spacing-md); padding-bottom: var(--spacing-md); }
.py-3 { padding-top: var(--spacing-lg); padding-bottom: var(--spacing-lg); }
.py-4 { padding-top: var(--spacing-xl); padding-bottom: var(--spacing-xl); }
.py-5 { padding-top: var(--spacing-2xl); padding-bottom: var(--spacing-2xl); }

.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.flex-wrap { flex-wrap: wrap; }
.gap-1 { gap: var(--spacing-sm); }
.gap-2 { gap: var(--spacing-md); }
.gap-3 { gap: var(--spacing-lg); }

/* Responsive */
@media (max-width: 1024px) {
    h1 { font-size: 2.75rem; }
    h2 { font-size: 2.25rem; }
    h3 { font-size: 2rem; }

    .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    h1 { font-size: 2.25rem; }
    h2 { font-size: 2rem; }
    h3 { font-size: 1.75rem; }

    .navbar-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        background-color: var(--neutral-black);
        padding: var(--spacing-lg);
        box-shadow: var(--shadow-lg);
    }

    .navbar-menu.active {
        display: flex;
    }

    .navbar-toggle {
        display: flex;
    }

    .navbar-dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        border: none;
        padding-left: var(--spacing-md);
    }

    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }

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

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

    .hero-actions {
        flex-direction: column;
    }

    .btn-group {
        flex-direction: column;
        width: 100%;
    }

    .btn-group .btn {
        width: 100%;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-lg);
    }
}

@media (max-width: 480px) {
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }

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

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

    .stat-number {
        font-size: 2.5rem;
    }
}