/* ================================================================
   Drones in Agriculture – Glossy Modern Theme
   Green shades, glassmorphic touches, light/dark modes.
   ================================================================ */

/* ────────────── Light Theme (default) ────────────── */
:root {
    --primary: #2c6e2c;
    --primary-hover: #3a8c3a;
    --primary-light: #e6f5e6;
    --primary-dark: #1e4f1e;
    --secondary: #6b8c42;
    --secondary-hover: #7da04e;
    --success: #4cae4c;
    --success-light: #e0f2e0;
    --danger: #ed8684;
    --warning: #f0ad4e;
    --info: #5bc0de;
    --light: #f9fbf7;
    --dark: #1e2a1e;
    --body-bg: #f0f7ea;
    --body-color: #1f2c1f;
    --border-color: #cfe2cf;
    --card-bg: rgba(255, 255, 255, 0.85);
    --card-border: rgba(100, 128, 100, 0.2);
    --footer-bg: #1f2c1f;
    --footer-color: #d4e2d4;
    --shadow-sm: 0 4px 12px rgba(0, 20, 0, 0.08);
    --shadow: 0 8px 24px rgba(0, 32, 0, 0.12);
    --shadow-lg: 0 16px 36px rgba(0, 40, 0, 0.18);
    --gloss-overlay: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0) 50%);
    --backdrop-blur: blur(8px);
    --font-family-sans-serif: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --font-size-base: 1rem;
    --line-height-base: 1.5;
}

/* ────────────── Dark Theme ────────────── */
[data-color-mode="dark"] {
    --primary: #6fbf6f;
    --primary-hover: #8ad48a;
    --primary-light: #2a412a;
    --primary-dark: #4c8c4c;
    --secondary: #9bc27b;
    --secondary-hover: #b0d48c;
    --success: #7fbf4f;
    --success-light: #1e2e1a;
    --danger: #e0827a;
    --warning: #f3b35f;
    --info: #6fc6d9;
    --light: #1e2a1e;
    --dark: #e2f0e2;
    --body-bg: #121c12;
    --body-color: #e2f0e2;
    --border-color: #2e452e;
    --card-bg: rgba(30, 42, 30, 0.85);
    --card-border: rgba(100, 128, 100, 0.3);
    --footer-bg: #0a120a;
    --footer-color: #c2d6c2;
    --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.3);
    --shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 16px 36px rgba(0, 0, 0, 0.5);
    --gloss-overlay: linear-gradient(135deg, rgba(255,255,255,0.05) 0%, rgba(255,255,255,0) 50%);
}

/* ────────────── Base Styles ────────────── */
* {
    box-sizing: border-box;
}
html {
    scroll-behavior: smooth;
}
body {
    background-color: var(--body-bg);
    color: var(--body-color);
    font-family: var(--font-family-sans-serif);
    font-size: var(--font-size-base);
    line-height: var(--line-height-base);
    transition: background-color 0.2s ease, color 0.2s ease;
}
a {
    color: var(--primary);
    text-decoration: none;
    transition: color 0.2s ease-in-out, text-shadow 0.2s;
}
a:hover {
    color: var(--primary-hover);
    text-decoration: underline;
    text-shadow: 0 0 2px rgba(100, 200, 100, 0.3);
}
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--body-color);
}
main {
    min-height: 80vh;
}

/* ────────────── Navbar & Sticky Header (glossy) ────────────── */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1030;
    background: var(--card-bg);
    backdrop-filter: var(--backdrop-blur);
    border-bottom: 1px solid var(--card-border);
    box-shadow: var(--shadow-sm);
}
.navbar {
    background: transparent;
    padding: 0.75rem 1rem;
}
.navbar-brand {
    font-weight: 700;
    font-size: 1.4rem;
    background: linear-gradient(135deg, var(--primary), var(--primary-hover));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent !important;
    text-shadow: 0 1px 2px rgba(0,0,0,0.05);
}
.navbar-nav .nav-link {
    color: var(--body-color);
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 2rem;
    transition: all 0.2s;
    position: relative;
}
.navbar-nav .nav-link:hover,
.navbar-nav .nav-link:focus {
    color: var(--primary);
    background: rgba(100, 200, 100, 0.15);
    backdrop-filter: blur(4px);
}
.navbar-nav .nav-link.active {
    color: var(--primary) !important;
    background: var(--primary-light);
    box-shadow: inset 0 1px 1px rgba(0,0,0,0.05), 0 1px 2px rgba(0,0,0,0.1);
}
.dropdown-menu {
    background: var(--card-bg);
    backdrop-filter: var(--backdrop-blur);
    border: 1px solid var(--card-border);
    border-radius: 1rem;
    box-shadow: var(--shadow);
}
.dropdown-item {
    color: var(--body-color);
    border-radius: 0.75rem;
    margin: 0.2rem 0.5rem;
    transition: all 0.15s;
}
.dropdown-item:hover,
.dropdown-item:focus {
    background-color: var(--primary-light);
    color: var(--primary);
    transform: translateX(4px);
}
.dropdown-item.active,
.dropdown-item:active {
    background-color: var(--primary);
    color: white;
}

/* ────────────── Cards (glassmorphic, glossy) ────────────── */
.card {
    background: var(--card-bg);
    backdrop-filter: var(--backdrop-blur);
    border: 1px solid var(--card-border);
    border-radius: 1.25rem;
    box-shadow: var(--shadow-sm);
    transition: transform 0.25s ease, box-shadow 0.3s ease;
    overflow: hidden;
}
.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}
.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--primary-hover), transparent);
    border-radius: 2px 2px 0 0;
    opacity: 0.7;
}
.card-header {
    background: var(--gloss-overlay);
    border-bottom: 1px solid var(--border-color);
    font-weight: 600;
    padding: 1rem 1.25rem;
}
.card-title {
    font-weight: 600;
    margin-bottom: 0.75rem;
}
.card-footer {
    background: transparent;
    border-top: 1px solid var(--border-color);
}

/* ────────────── Buttons (glossy gradients) ────────────── */
.btn {
    border-radius: 2rem;
    padding: 0.5rem 1.5rem;
    font-weight: 500;
    transition: all 0.2s;
    position: relative;
    overflow: hidden;
}
.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border: none;
    color: white;
    box-shadow: 0 2px 6px rgba(0,0,0,0.1);
}
.btn-primary:hover,
.btn-primary:focus {
    background: linear-gradient(135deg, var(--primary-hover), var(--primary));
    transform: translateY(-1px);
    box-shadow: 0 6px 12px rgba(0,0,0,0.15);
}
.btn-outline-primary {
    color: var(--primary);
    border: 1px solid var(--primary);
    background: transparent;
}
.btn-outline-primary:hover {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

/* ────────────── Forms ────────────── */
.form-control,
.form-select {
    background-color: var(--body-bg);
    border: 1px solid var(--border-color);
    color: var(--body-color);
    border-radius: 1rem;
    padding: 0.6rem 1rem;
    transition: all 0.2s;
}
.form-control:focus,
.form-select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 0.2rem rgba(44, 110, 44, 0.25);
    background-color: var(--body-bg);
    color: var(--body-color);
}
label {
    font-weight: 500;
    margin-bottom: 0.25rem;
}

/* ────────────── Badges & Alerts ────────────── */
.badge {
    padding: 0.35em 0.85em;
    font-weight: 500;
    border-radius: 2rem;
    background: var(--primary-light);
    color: var(--primary-dark);
}
.alert {
    border-radius: 1rem;
    border: none;
    background-color: var(--primary-light);
    color: var(--primary-dark);
    box-shadow: var(--shadow-sm);
}

/* ────────────── Blog & Post Content ────────────── */
.post-content img,
.blog-content img {
    max-width: 100%;
    height: auto;
    border-radius: 1rem;
    margin: 1.5rem 0;
    box-shadow: var(--shadow-sm);
}
.blog-content p {
    margin-bottom: 1.25rem;
    line-height: 1.7;
}
.card-title a {
    color: var(--body-color);
}
.card-title a:hover {
    color: var(--primary);
}

/* ────────────── Language Switcher ────────────── */
.language-switcher {
    position: relative;
    display: inline-block;
}
.language-switcher select {
    appearance: none;
    background-color: var(--body-bg);
    border: 1px solid var(--border-color);
    border-radius: 2rem;
    padding: 0.4rem 2rem 0.4rem 1rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--body-color);
    cursor: pointer;
    transition: all 0.2s;
}
.language-switcher::after {
    content: "▼";
    font-size: 0.7rem;
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    pointer-events: none;
    color: var(--secondary);
}
.language-switcher select:hover {
    border-color: var(--primary);
}
.language-switcher select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 0.2rem rgba(44, 110, 44, 0.25);
}

/* ────────────── Dark Mode Toggle Button ────────────── */
.dark-mode-toggle {
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: 2rem;
    padding: 0.4rem 0.9rem;
    font-size: 0.875rem;
    cursor: pointer;
    color: var(--body-color);
    transition: all 0.2s;
    line-height: 1;
}
.dark-mode-toggle:hover {
    border-color: var(--primary);
    background-color: var(--primary-light);
    color: var(--primary);
}
.dark-mode-toggle i {
    pointer-events: none;
}

/* ────────────── Utility / Helpers ────────────── */
.min-vh-83 { min-height: 83vh; }
.text-muted { color: var(--secondary) !important; }
.text-primary{ color: var(--primary)!important; }
.bg-primary { background-color: var(--primary) !important; }
.bg-light { background-color: var(--light) !important; }
.border { border-color: var(--border-color) !important; }
.shadow-sm { box-shadow: var(--shadow-sm); }
.rounded-lg { border-radius: 1.25rem; }

/* ────────────── Responsive Tweaks ────────────── */
@media (max-width: 768px) {
    .navbar-brand { font-size: 1.2rem; }
    .card { margin-bottom: 1rem; }
    .btn { padding: 0.4rem 1rem; }
    .language-switcher select { padding: 0.3rem 1.8rem 0.3rem 0.8rem; font-size: 0.75rem; }
}

/* ────────────── Custom Scrollbar (green gloss) ────────────── */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--border-color); border-radius: 4px; }
::-webkit-scrollbar-thumb { background: linear-gradient(135deg, var(--primary), var(--primary-hover)); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--primary-hover); }

/* ============================================================
   Professional Footer – Glossy & Green
   ============================================================ */
.site-footer {
    background-color: var(--footer-bg);
    color: var(--footer-color);
    border-top: 1px solid var(--border-color);
    padding: 3rem 0 1.5rem;
    margin-top: 3rem;
    font-size: 0.9rem;
    backdrop-filter: blur(2px);
}
.site-footer .footer-brand {
    font-weight: 600;
    font-size: 1.25rem;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--primary), var(--primary-hover));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}
.site-footer .footer-copyright {
    color: var(--footer-color);
    margin-bottom: 0.5rem;
}
.site-footer .footer-heading {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--primary-light);
    letter-spacing: 0.5px;
}
.site-footer .footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}
.site-footer .footer-links li {
    margin-bottom: 0.5rem;
}
.site-footer .footer-links a {
    color: var(--footer-color);
    text-decoration: none;
    transition: color 0.2s;
}
.site-footer .footer-links a:hover {
    color: var(--primary);
    text-decoration: underline;
}
.site-footer .newsletter-form {
    display: flex;
    gap: 0.5rem;
    margin-top: 0.5rem;
}
.site-footer .newsletter-form input {
    flex: 1;
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 2rem;
    background: var(--body-bg);
    color: var(--body-color);
}
.site-footer .newsletter-form button {
    padding: 0.5rem 1rem;
    border-radius: 2rem;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border: none;
    color: white;
    font-weight: 500;
    transition: all 0.2s;
}
.site-footer .newsletter-form button:hover {
    background: linear-gradient(135deg, var(--primary-hover), var(--primary));
    transform: translateY(-1px);
}
.social-icons {
    display: flex;
    gap: 1rem;
    margin-top: 0.5rem;
}
.social-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background-color: var(--border-color);
    color: var(--footer-color);
    transition: all 0.2s;
    text-decoration: none;
}
.social-icon:hover {
    background-color: var(--primary);
    color: white;
    transform: translateY(-2px) scale(1.05);
}
.payment-icons {
    display: flex;
    gap: 0.75rem;
    font-size: 1.5rem;
    color: var(--footer-color);
}
.payment-icons i {
    transition: color 0.2s;
}
.payment-icons i:hover {
    color: var(--primary);
}
.footer-divider {
    border-color: var(--border-color);
    margin: 1.5rem 0 1rem;
}
.footer-bottom-text {
    color: var(--footer-color);
    font-size: 0.8rem;
}
[data-color-mode="dark"] .site-footer {
    background-color: var(--footer-bg);
    border-top-color: var(--border-color);
}
[data-color-mode="dark"] .social-icon {
    background-color: var(--border-color);
    color: var(--footer-color);
}
[data-color-mode="dark"] .payment-icons i {
    color: var(--footer-color);
}