static/style.css

/* ============================================
   OPTIMAL CROP SEASON PREDICTION - STYLE GUIDE
   Nature-Professional Theme
   ============================================ */

/* ============================================
   1. CSS VARIABLES - COLOR SYSTEM
   ============================================ */
:root {
    /* Primary Colors */
    --color-deep-green: #1a5d3a;
    --color-accent-green: #198754;
    --color-darker-accent: #143d2e;

    /* Neutral Colors */
    --color-background: #f8f9fa;
    --color-surface: #ffffff;
    --color-text-dark: #212529;
    --color-text-muted: #6c757d;
    --color-border: #dee2e6;

    /* Semantic Colors */
    --color-success: #198754;
    --color-success-light: #e8f5e9;

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

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-pill: 50px;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.08);
    --shadow-focus: 0 0 0 4px rgba(25, 135, 84, 0.1);
}

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

body {
    font-family: 'Outfit', sans-serif;
    font-weight: 400;
    background-color: var(--color-background);
    color: var(--color-text-dark);
    line-height: 1.6;
    min-height: 100vh;
}

/* ============================================
   3. TYPOGRAPHY
   ============================================ */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 700;
    color: var(--color-text-dark);
    line-height: 1.2;
}

h1 {
    font-size: 2.5rem;
    font-weight: 700;
}

h2 {
    font-size: 2rem;
    font-weight: 600;
}

h4 {
    font-size: 1.25rem;
    font-weight: 600;
}

label {
    font-weight: 500;
    color: var(--color-text-dark);
    margin-bottom: var(--spacing-xs);
    display: block;
}

/* ============================================
   4. HEADER - CURVED BOTTOM HERO
   ============================================ */
.hero-header {
    background: var(--color-deep-green);
    color: white;
    padding: var(--spacing-xl) var(--spacing-md) 5rem;
    border-bottom-left-radius: 50% 20px;
    border-bottom-right-radius: 50% 20px;
    text-align: center;
    position: relative;
    margin-bottom: 3rem;
}

.hero-header h1 {
    color: white;
    margin-bottom: var(--spacing-sm);
    font-size: 2.5rem;
}

.hero-header p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.1rem;
    font-weight: 300;
    max-width: 600px;
    margin: 0 auto;
}

/* ============================================
   5. CARDS
   ============================================ */
.card-floating {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: var(--spacing-xl);
    position: relative;
    z-index: 10;
    border: 3px solid var(--color-accent-green);
}

.card-image {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

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

/* ============================================
   6. FORM ELEMENTS
   ============================================ */
.form-group {
    margin-bottom: var(--spacing-md);
}

.form-label-icon {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
    color: var(--color-text-dark);
}

.form-label-icon i {
    color: var(--color-accent-green);
    font-size: 1.1rem;
}

.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    background: var(--color-background);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-family: 'Outfit', sans-serif;
    font-size: 1rem;
    color: var(--color-text-dark);
    transition: all 0.3s ease;
}

.form-control:focus {
    outline: none;
    background: var(--color-surface);
    border-color: var(--color-accent-green);
    box-shadow: var(--shadow-focus);
}

.form-control::placeholder {
    color: var(--color-text-muted);
}

/* ============================================
   7. BUTTONS
   ============================================ */
.btn {
    padding: 0.875rem 2rem;
    font-family: 'Outfit', sans-serif;
    font-weight: 500;
    font-size: 1rem;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    text-decoration: none;
}

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

.btn-primary:hover {
    background: var(--color-darker-accent);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-block {
    width: 100%;
    justify-content: center;
}

.btn i {
    font-size: 1.2rem;
}

/* ============================================
   8. RESULT BOX
   ============================================ */
.result-box {
    margin-top: var(--spacing-lg);
    padding: var(--spacing-lg);
    background: var(--color-success-light);
    border: 2px solid var(--color-accent-green);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.result-box h4 {
    color: var(--color-deep-green);
    margin-bottom: var(--spacing-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.result-box h4 i {
    color: var(--color-accent-green);
}

.season-badge {
    display: inline-block;
    padding: 0.5rem 1.5rem;
    background: var(--color-accent-green);
    color: white;
    border-radius: var(--radius-pill);
    font-weight: 600;
    font-size: 1.1rem;
    margin-left: var(--spacing-sm);
}

.result-box p {
    color: var(--color-text-dark);
    line-height: 1.8;
    margin-top: var(--spacing-sm);
}

/* ============================================
   9. PROCESS VISUAL (3-STEP)
   ============================================ */
.process-steps {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    padding: 0 var(--spacing-md);
}

.process-step {
    text-align: center;
    flex: 1;
    max-width: 200px;
}

.process-icon {
    width: 80px;
    height: 80px;
    background: var(--color-surface);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-sm);
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
}

.process-icon i {
    font-size: 2rem;
    color: var(--color-accent-green);
}

.process-step:hover .process-icon {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.process-step h5 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text-dark);
    margin-bottom: 0.25rem;
}

.process-step p {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    font-weight: 300;
}

/* ============================================
   10. UTILITIES
   ============================================ */
.container-custom {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md) var(--spacing-xl);
}

.mt-4 {
    margin-top: var(--spacing-lg);
}

.mb-4 {
    margin-bottom: var(--spacing-lg);
}

/* ============================================
   11. RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 768px) {
    .hero-header h1 {
        font-size: 2rem;
    }

    .hero-header p {
        font-size: 1rem;
    }

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

    .process-steps {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .process-step {
        max-width: 100%;
    }

    .btn {
        padding: 0.75rem 1.5rem;
    }
  .container-custom {
        padding-bottom: 4rem; 
    }
}

/* ============================================
   12. ANIMATIONS
   ============================================ */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

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

.card-floating {
    animation: fadeIn 0.6s ease-out;
}

.result-box {
    animation: fadeIn 0.4s ease-out;
}