/**
 * ECO DESIGN SYSTEM - COMPONENTS
 * Reusable component classes based on homepage patterns
 */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=Poppins:wght@400;600;700;800&display=swap');

/* ============================================
   BASE TYPOGRAPHY
   ============================================ */
body {
    font-family: var(--eco-font-family);
    color: var(--eco-gray-800);
    line-height: var(--eco-leading-normal);
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--eco-font-family-heading);
    font-weight: var(--eco-font-bold);
    line-height: var(--eco-leading-tight);
    color: var(--eco-gray-900);
}

/* ============================================
   HERO SECTION (Reusable pattern)
   ============================================ */
.eco-hero {
    min-height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--eco-space-16) var(--eco-space-4);
    position: relative;
    overflow: hidden;
}

.eco-hero-gradient-green {
    background: var(--eco-gradient-green);
}

.eco-hero-gradient-blue {
    background: var(--eco-gradient-blue);
}

.eco-hero-title {
    font-size: var(--eco-text-5xl);
    font-weight: var(--eco-font-extrabold);
    margin-bottom: var(--eco-space-6);
    color: var(--eco-gray-900);
}

.eco-hero-subtitle {
    font-size: var(--eco-text-xl);
    color: var(--eco-gray-600);
    max-width: 700px;
    margin: 0 auto;
    line-height: var(--eco-leading-relaxed);
}

@media (max-width: 768px) {
    .eco-hero {
        min-height: 300px;
        padding: var(--eco-space-12) var(--eco-space-4);
    }

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

    .eco-hero-subtitle {
        font-size: var(--eco-text-lg);
    }
}

/* ============================================
   FEATURE CARDS (Homepage pattern)
   ============================================ */
.eco-feature-card {
    padding: var(--eco-space-8);
    border-radius: var(--eco-radius-xl);
    height: 100%;
    transition: all var(--eco-transition-base);
}

.eco-feature-card-green {
    background: var(--eco-gradient-green);
    border: 1px solid var(--eco-green-200);
    box-shadow: 0 2px 8px rgba(16, 185, 129, 0.1);
}

.eco-feature-card-amber {
    background: var(--eco-gradient-amber);
    border: 1px solid var(--eco-amber-300);
    box-shadow: 0 2px 8px rgba(245, 158, 11, 0.1);
}

.eco-feature-card-blue {
    background: var(--eco-gradient-blue);
    border: 1px solid var(--eco-blue-300);
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.1);
}

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

/* Feature Card Icon Container */
.eco-feature-icon {
    width: 80px;
    height: 80px;
    border-radius: var(--eco-radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--eco-space-4);
}

.eco-feature-icon-green {
    background: linear-gradient(135deg, var(--eco-green-500) 0%, var(--eco-green-600) 100%);
    box-shadow: var(--eco-shadow-green);
}

.eco-feature-icon-amber {
    background: linear-gradient(135deg, var(--eco-amber-500) 0%, var(--eco-amber-600) 100%);
    box-shadow: var(--eco-shadow-amber);
}

.eco-feature-icon-blue {
    background: linear-gradient(135deg, var(--eco-blue-500) 0%, var(--eco-blue-600) 100%);
    box-shadow: var(--eco-shadow-blue);
}

.eco-feature-icon i {
    font-size: 2.5rem;
    color: white;
}

/* Feature Card Title */
.eco-feature-title {
    font-size: var(--eco-text-2xl);
    font-weight: var(--eco-font-bold);
    margin-bottom: var(--eco-space-3);
}

.eco-feature-title-green {
    color: var(--eco-green-800);
}

.eco-feature-title-amber {
    color: var(--eco-amber-900);
}

.eco-feature-title-blue {
    color: var(--eco-blue-900);
}

/* Feature Card Description */
.eco-feature-desc {
    font-size: var(--eco-text-base);
    line-height: var(--eco-leading-relaxed);
    margin-bottom: var(--eco-space-4);
}

.eco-feature-desc-green {
    color: var(--eco-green-700);
}

.eco-feature-desc-amber {
    color: var(--eco-amber-800);
}

.eco-feature-desc-blue {
    color: var(--eco-blue-800);
}

/* Feature Card Checkpoints */
.eco-checkpoint {
    display: flex;
    align-items: start;
    gap: var(--eco-space-3);
    margin-bottom: var(--eco-space-3);
}

.eco-checkpoint:last-child {
    margin-bottom: 0;
}

.eco-checkpoint-icon {
    font-size: 1.1rem;
    flex-shrink: 0;
    margin-top: 2px;
}

.eco-checkpoint-icon-green {
    color: var(--eco-green-600);
}

.eco-checkpoint-icon-amber {
    color: var(--eco-amber-600);
}

.eco-checkpoint-icon-blue {
    color: var(--eco-blue-600);
}

.eco-checkpoint-text {
    font-weight: var(--eco-font-medium);
    line-height: var(--eco-leading-snug);
}

.eco-checkpoint-text-green {
    color: var(--eco-green-700);
}

.eco-checkpoint-text-amber {
    color: var(--eco-amber-800);
}

.eco-checkpoint-text-blue {
    color: var(--eco-blue-800);
}

/* ============================================
   BUTTONS (Modern, accessible)
   ============================================ */
.eco-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--eco-space-2);
    padding: 0.75rem 1.5rem;
    font-weight: var(--eco-font-semibold);
    font-size: var(--eco-text-base);
    border-radius: var(--eco-radius-md);
    border: none;
    cursor: pointer;
    transition: all var(--eco-transition-base);
    text-decoration: none;
    font-family: var(--eco-font-family);
}

.eco-btn:hover {
    transform: translateY(-2px);
}

/* Primary Button (Green) */
.eco-btn-primary {
    background: var(--eco-green-700);
    color: white;
    box-shadow: var(--eco-shadow-sm);
}

.eco-btn-primary:hover {
    background: var(--eco-green-800);
    box-shadow: var(--eco-shadow-md);
    color: white;
}

/* Secondary Button (Amber) */
.eco-btn-secondary {
    background: var(--eco-amber-600);
    color: white;
    box-shadow: var(--eco-shadow-sm);
}

.eco-btn-secondary:hover {
    background: var(--eco-amber-700);
    box-shadow: var(--eco-shadow-md);
    color: white;
}

/* Info Button (Blue) */
.eco-btn-info {
    background: var(--eco-blue-600);
    color: white;
    box-shadow: var(--eco-shadow-sm);
}

.eco-btn-info:hover {
    background: var(--eco-blue-700);
    box-shadow: var(--eco-shadow-md);
    color: white;
}

/* Outline Buttons */
.eco-btn-outline-primary {
    background: transparent;
    color: var(--eco-green-700);
    border: 2px solid var(--eco-green-600);
}

.eco-btn-outline-primary:hover {
    background: var(--eco-green-50);
    border-color: var(--eco-green-700);
    color: var(--eco-green-800);
}

.eco-btn-outline-secondary {
    background: transparent;
    color: var(--eco-amber-700);
    border: 2px solid var(--eco-amber-500);
}

.eco-btn-outline-secondary:hover {
    background: var(--eco-amber-50);
    border-color: var(--eco-amber-600);
    color: var(--eco-amber-800);
}

/* Button Sizes */
.eco-btn-sm {
    padding: 0.5rem 1rem;
    font-size: var(--eco-text-sm);
}

.eco-btn-lg {
    padding: 1rem 2rem;
    font-size: var(--eco-text-lg);
}

.eco-btn-full {
    width: 100%;
}

/* Pill Button */
.eco-btn-pill {
    border-radius: var(--eco-radius-full);
}

/* ============================================
   FORM ELEMENTS (Modern, clean)
   ============================================ */
.eco-form-group {
    margin-bottom: var(--eco-space-5);
}

.eco-form-label {
    display: block;
    font-weight: var(--eco-font-semibold);
    color: var(--eco-gray-700);
    margin-bottom: var(--eco-space-2);
    font-size: var(--eco-text-sm);
}

.eco-form-input,
.eco-form-select,
.eco-form-textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: var(--eco-text-base);
    font-family: var(--eco-font-family);
    color: var(--eco-gray-800);
    background: white;
    border: 2px solid var(--eco-gray-300);
    border-radius: var(--eco-radius-md);
    transition: all var(--eco-transition-fast);
}

.eco-form-input:focus,
.eco-form-select:focus,
.eco-form-textarea:focus {
    outline: none;
    border-color: var(--eco-green-500);
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
}

.eco-form-input::placeholder {
    color: var(--eco-gray-400);
}

.eco-form-textarea {
    resize: vertical;
    min-height: 120px;
}

.eco-form-error {
    color: var(--eco-error);
    font-size: var(--eco-text-sm);
    margin-top: var(--eco-space-1);
}

.eco-form-input.error {
    border-color: var(--eco-error);
}

.eco-form-input.error:focus {
    box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.1);
}

/* ============================================
   CARDS (Content containers)
   ============================================ */
.eco-card {
    background: white;
    border-radius: var(--eco-radius-xl);
    padding: var(--eco-space-6);
    box-shadow: var(--eco-shadow-sm);
    transition: all var(--eco-transition-base);
}

.eco-card:hover {
    box-shadow: var(--eco-shadow-md);
}

.eco-card-elevated {
    box-shadow: var(--eco-shadow-lg);
}

.eco-card-title {
    font-size: var(--eco-text-2xl);
    font-weight: var(--eco-font-bold);
    color: var(--eco-gray-900);
    margin-bottom: var(--eco-space-4);
}

.eco-card-body {
    color: var(--eco-gray-600);
    line-height: var(--eco-leading-relaxed);
}

/* ============================================
   SPLIT SCREEN LAYOUT (Auth pages)
   ============================================ */
.eco-split-screen {
    display: grid;
    grid-template-columns: 40% 60%;
    min-height: 100vh;
}

@media (max-width: 1024px) {
    .eco-split-screen {
        grid-template-columns: 1fr;
    }
}

.eco-split-visual {
    background: var(--eco-gradient-green);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--eco-space-12);
    position: relative;
}

.eco-split-form {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--eco-space-12) var(--eco-space-8);
    background: var(--eco-gray-50);
}

@media (max-width: 1024px) {
    .eco-split-visual {
        min-height: 250px;
        padding: var(--eco-space-8);
    }

    .eco-split-form {
        padding: var(--eco-space-8) var(--eco-space-4);
    }
}

/* ============================================
   BADGES & LABELS
   ============================================ */
.eco-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.75rem;
    font-size: var(--eco-text-sm);
    font-weight: var(--eco-font-semibold);
    border-radius: var(--eco-radius-full);
}

.eco-badge-success {
    background: var(--eco-green-100);
    color: var(--eco-green-800);
}

.eco-badge-warning {
    background: var(--eco-amber-100);
    color: var(--eco-amber-800);
}

.eco-badge-info {
    background: var(--eco-blue-100);
    color: var(--eco-blue-800);
}

/* ============================================
   STATS / METRICS DISPLAY
   ============================================ */
.eco-stat {
    text-align: center;
    padding: var(--eco-space-6);
}

.eco-stat-number {
    font-size: var(--eco-text-4xl);
    font-weight: var(--eco-font-extrabold);
    color: var(--eco-green-700);
    font-family: var(--eco-font-family-heading);
    line-height: 1;
    margin-bottom: var(--eco-space-2);
}

.eco-stat-label {
    font-size: var(--eco-text-sm);
    color: var(--eco-gray-600);
    font-weight: var(--eco-font-medium);
}

/* ============================================
   LOADING & SKELETON STATES
   ============================================ */
.eco-skeleton {
    background: linear-gradient(90deg, var(--eco-gray-200) 25%, var(--eco-gray-100) 50%, var(--eco-gray-200) 75%);
    background-size: 200% 100%;
    animation: eco-skeleton-loading 1.5s ease-in-out infinite;
    border-radius: var(--eco-radius-md);
}

@keyframes eco-skeleton-loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* ============================================
   ACCESSIBILITY HELPERS
   ============================================ */
.eco-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;
}

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes eco-fade-in {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.eco-animate-fade-in {
    animation: eco-fade-in 0.6s ease-out;
}

@keyframes eco-slide-in-right {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.eco-animate-slide-in-right {
    animation: eco-slide-in-right 0.5s ease-out;
}