/* Wastelite Homepage Styles - Modern SaaS Design 2025 */

/* Variables */
:root {
    /* Brand Colors */
    --primary: #10b981;       /* Emerald 500 */
    --primary-dark: #059669;  /* Emerald 600 */
    --primary-light: #d1fae5; /* Emerald 100 */
    --secondary: #3b82f6;     /* Blue 500 */
    --accent: #f59e0b;        /* Amber 500 */

    /* Neutral Colors */
    --bg-body: #ffffff;
    --bg-surface: #f8fafc;    /* Slate 50 */
    --bg-dark: #0f172a;       /* Slate 900 */
    --text-main: #1e293b;     /* Slate 800 */
    --text-muted: #64748b;    /* Slate 500 */
    --text-light: #94a3b8;    /* Slate 400 */
    --border: #e2e8f0;        /* Slate 200 */

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #10b981 0%, #3b82f6 100%);
    --gradient-dark: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    --gradient-glow: radial-gradient(circle at 50% 50%, rgba(16, 185, 129, 0.15) 0%, transparent 70%);

    /* 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 -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);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-glow: 0 0 20px rgba(16, 185, 129, 0.3);

    /* Layout */
    --max-width: 1280px;
    --header-height: 90px;
    --radius-sm: 0.5rem;
    --radius-md: 1rem;
    --radius-lg: 1.5rem;
    --radius-full: 9999px;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, system-ui, Roboto, sans-serif;
    background-color: var(--bg-body);
    color: var(--text-main);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.2s ease;
}

ul {
    list-style: none;
}

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

.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    line-height: 1.2;
    font-weight: 700;
    letter-spacing: -0.02em;
}

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: all 0.2s ease;
    cursor: pointer;
    border: none;
    font-size: 1rem;
    gap: 0.5rem;
}

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

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

.btn-secondary {
    background: white;
    color: var(--text-main);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: var(--bg-surface);
}

.btn-outline {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: white;
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: white;
}

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

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    z-index: 1000;
    transition: all 0.3s ease;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid transparent;
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
}

.navbar .container {
    height: 100%;
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-main);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo-icon {
    width: 32px;
    height: 32px;
    background: var(--gradient-primary);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
}

.nav-menu {
    display: flex;
    gap: 2rem;
}

.nav-menu a {
    font-weight: 500;
    color: var(--text-muted);
    font-size: 0.95rem;
}

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

.nav-cta {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
}

.mobile-menu-toggle span {
    width: 24px;
    height: 2px;
    background-color: var(--text-main);
    transition: all 0.3s ease;
}

/* Hero Section */
.hero {
    padding-top: calc(var(--header-height) + 4rem);
    padding-bottom: 6rem;
    position: relative;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background:
        radial-gradient(circle at 15% 50%, rgba(16, 185, 129, 0.08) 0%, transparent 25%),
        radial-gradient(circle at 85% 30%, rgba(59, 130, 246, 0.08) 0%, transparent 25%);
}

.hero-content {
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-muted);
    margin-bottom: 2rem;
    box-shadow: var(--shadow-sm);
}

.hero-badge span {
    width: 8px;
    height: 8px;
    background: var(--primary);
    border-radius: 50%;
    display: block;
    box-shadow: 0 0 0 2px rgba(16, 185, 129, 0.2);
}

.hero-title {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    color: var(--text-main);
}

.hero-description {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 4rem;
}

.hero-dashboard-preview {
    position: relative;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--border);
    overflow: hidden;
    background: white;
    margin-top: 2rem;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
    100% { transform: translateY(0px); }
}

/* Stats Section */
.stats-section {
    padding: 4rem 0;
    background: white;
    border-bottom: 1px solid var(--border);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    text-align: center;
}

.stat-item h3 {
    font-size: 2.5rem;
    color: var(--text-main);
    margin-bottom: 0.5rem;
}

.stat-item p {
    color: var(--text-muted);
    font-weight: 500;
}

/* Features Section */
.section {
    padding: 6rem 0;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 4rem;
}

.section-tag {
    color: var(--primary);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.875rem;
    letter-spacing: 0.05em;
    margin-bottom: 1rem;
    display: block;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--text-main);
}

.section-desc {
    font-size: 1.125rem;
    color: var(--text-muted);
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    padding: 2rem;
    border-radius: var(--radius-lg);
    background: white;
    border: 1px solid var(--border);
    transition: all 0.3s ease;
}

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

.feature-icon {
    width: 56px;
    height: 56px;
    background: var(--bg-surface);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    margin-bottom: 1.5rem;
    color: var(--primary);
}

.feature-card h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.feature-card p {
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}

.feature-link {
    color: var(--primary);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
}

.feature-link:hover {
    gap: 0.5rem;
}

/* Dark Section (Process/CTA) */
.section-dark {
    background: var(--bg-dark);
    color: white;
    position: relative;
    overflow: hidden;
}

.section-dark .section-title {
    color: white;
}

.section-dark .section-desc {
    color: var(--text-light);
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    position: relative;
}

.step-card {
    position: relative;
    z-index: 1;
}

.step-number {
    font-size: 4rem;
    font-weight: 800;
    color: rgba(255, 255, 255, 0.1);
    position: absolute;
    top: -2rem;
    left: -1rem;
    z-index: -1;
}

.step-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: white;
}

.step-card p {
    color: var(--text-light);
}

/* Pricing */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1100px;
    margin: 0 auto;
}

.pricing-card {
    background: white;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    display: flex;
    flex-direction: column;
    transition: all 0.3s ease;
}

.pricing-card.popular {
    border-color: var(--primary);
    box-shadow: var(--shadow-xl);
    position: relative;
    transform: scale(1.05);
    z-index: 10;
}

.popular-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary);
    color: white;
    padding: 0.25rem 1rem;
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
}

.pricing-header {
    text-align: center;
    margin-bottom: 2rem;
}

.price {
    font-size: 3rem;
    font-weight: 800;
    color: var(--text-main);
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 0.25rem;
}

.price span {
    font-size: 1rem;
    color: var(--text-muted);
    font-weight: 500;
}

.pricing-features {
    margin-bottom: 2rem;
    flex: 1;
}

.pricing-features li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
    color: var(--text-main);
}

.check-icon {
    color: var(--primary);
    flex-shrink: 0;
}

/* Contact/Form Section */
.contact-section {
    background: var(--bg-surface);
}

.contact-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    background: white;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.contact-info {
    background: var(--bg-dark);
    padding: 3rem;
    color: white;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.contact-form-wrapper {
    padding: 3rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-main);
}

.form-input, .form-select, .form-textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: 1rem;
    transition: all 0.2s ease;
    background: var(--bg-surface);
}

.form-input--hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    opacity: 0;
    pointer-events: none;
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
    background: white;
}

/* Multi-step Form Wizard */
.step-indicator {
    display: flex;
    justify-content: center;
    margin-bottom: 3rem;
    position: relative;
    gap: 4rem;
}

.step-indicator::before {
    content: '';
    position: absolute;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: 60%;
    height: 2px;
    background: var(--border);
    z-index: 0;
}

.step-indicator-item {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    cursor: default;
}

.step-indicator-number {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: white;
    border: 2px solid var(--border);
    color: var(--text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.125rem;
    transition: all 0.3s ease;
}

.step-indicator-label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-muted);
    transition: all 0.3s ease;
}

.step-indicator-item.step-indicator-item--active .step-indicator-number {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
    box-shadow: 0 0 0 4px var(--primary-light);
}

.step-indicator-item.step-indicator-item--active .step-indicator-label {
    color: var(--primary);
}

.step-indicator-item.step-indicator-item--completed .step-indicator-number {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
}

.step-panel {
    display: none;
}

.step-panel.is-active {
    display: block;
    animation: slideUpFade 0.5s ease forwards;
}

@keyframes slideUpFade {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Form Layout Extensions */
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.form-row-caption {
    margin-top: -1rem;
    margin-bottom: 1.5rem;
}

.field-with-action {
    display: flex;
    gap: 0.5rem;
}

.field-with-action input {
    flex: 1;
}

.field-with-action .btn-outline {
    white-space: nowrap;
    border-color: var(--border);
    color: var(--text-main);
}

.field-with-action .btn-outline:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: var(--bg-surface);
}

.field-hint {
    display: block;
    font-size: 0.875rem;
    color: var(--text-light);
    margin-top: 0.25rem;
}

.field-caption {
    font-size: 0.875rem;
    color: var(--text-muted);
    background: var(--bg-surface);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    display: block;
}

/* Form Wizard Typography & Layout */
.step-title {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    color: var(--text-main);
    font-weight: 700;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border);
}

.form-actions {
    margin-top: 2.5rem;
}

.form-actions.two-buttons {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 1rem;
}

.full-width {
    width: 100%;
}

/* Checkbox Styling */
.checkbox-group {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem;
    background: var(--bg-surface);
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    margin-top: 1rem;
    transition: all 0.2s ease;
}

.checkbox-group:hover {
    border-color: var(--primary);
    background: white;
}

.checkbox-group input[type="checkbox"] {
    width: 1.25rem;
    height: 1.25rem;
    accent-color: var(--primary);
    cursor: pointer;
}

.checkbox-group label {
    cursor: pointer;
    font-weight: 500;
    color: var(--text-main);
}

/* Enhanced Step Indicator */
.step-indicator {
    background: var(--bg-surface);
    padding: 1.5rem;
    border-radius: var(--radius-full);
    margin-bottom: 3rem;
    border: 1px solid var(--border);
}

.step-indicator::before {
    display: none; /* Remove the old line */
}

.step-indicator-item {
    flex: 1;
    position: relative;
}

.step-indicator-item:not(:last-child)::after {
    content: '';
    position: absolute;
    top: 20px;
    right: -50%;
    width: 100%;
    height: 2px;
    background: var(--border);
    z-index: 0;
}

.step-indicator-item.step-indicator-item--completed:not(:last-child)::after {
    background: var(--primary);
}

.step-indicator-number {
    background: white;
    z-index: 2;
    position: relative;
}

/* Footer */
.footer {
    background: var(--bg-dark);
    color: white;
    padding: 4rem 0 2rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-brand p {
    color: var(--text-light);
    margin-top: 1rem;
    max-width: 300px;
}

.footer-links h4 {
    margin-bottom: 1.5rem;
    font-size: 1.125rem;
}

.footer-links ul li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: var(--text-light);
}

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

.footer-links a.link-disabled {
    color: var(--text-light);
    cursor: not-allowed;
    pointer-events: none;
    opacity: 0.6;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
    text-align: center;
    color: var(--text-light);
    font-size: 0.875rem;
}

/* Utilities */
.hidden { display: none; }
.fade-in { animation: fadeIn 0.6s ease forwards; }

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Responsive */
@media (max-width: 1024px) {
    .hero-title { font-size: 3rem; }
    .contact-container { grid-template-columns: 1fr; }
    .contact-info { padding: 2rem; }
    .contact-form-wrapper { padding: 2rem; }
}

@media (max-width: 768px) {
    .nav-menu, .nav-cta { display: none; }
    .mobile-menu-toggle { display: flex; }
    .hero-title { font-size: 2.5rem; }
    .pricing-card.popular { transform: none; }
    .footer-grid { grid-template-columns: 1fr; gap: 2rem; }

    .form-row {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .step-indicator {
        gap: 2rem;
    }

    .step-indicator::before {
        width: 80%;
    }

    .step-indicator-label {
        font-size: 0.75rem;
    }
}