/* ==========================================
   BIOGAS PAGE - UNIQUE TEAL/BLUE-GREEN THEME
   Completely Isolated - No Conflicts
   ========================================== */

/* === VARIABLES === */
:root {
    --teal-primary: #00897B;
    --teal-light: #26A69A;
    --teal-dark: #00695C;
    --blue-primary: #0277BD;
    --blue-light: #039BE5;
    --green-accent: #43A047;
    --text-dark: #263238;
    --text-gray: #546E7A;
    --bg-cream: #FAFAFA;
    --white: #ffffff;

    --shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
}

/* === RESET === */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    color: var(--text-dark);
    line-height: 1.7;
    overflow-x: hidden;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* === NAVIGATION === */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: white;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
    z-index: 1000;
    padding: 18px 0;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 1.3rem;
    color: var(--text-dark);
    text-decoration: none;
}

.logo img {
    height: 40px;
}

.accent {
    color: var(--teal-primary);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 35px;
    align-items: center;
}

.nav-menu a {
    color: var(--text-dark);
    font-weight: 500;
    text-decoration: none;
    transition: all 0.3s;
}

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

.btn-cta {
    background: linear-gradient(135deg, var(--teal-primary), var(--teal-light)) !important;
    color: white !important;
    padding: 12px 28px;
    border-radius: 50px;
    box-shadow: var(--shadow);
}

.btn-cta:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.menu-toggle {
    display: none;
    font-size: 1.5rem;
    background: none;
    border: none;
    cursor: pointer;
}

/* === HERO === */
.hero {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, #E0F2F1 0%, #F1F8F6 100%);
    position: relative;
    overflow: hidden;
}

.hero-shapes {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        radial-gradient(circle at 15% 25%, rgba(0, 137, 123, 0.12) 0%, transparent 50%),
        radial-gradient(circle at 85% 75%, rgba(2, 119, 189, 0.12) 0%, transparent 50%);
}

.hero-content {
    display: grid;
    grid-template-columns: 1.3fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.label {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: linear-gradient(135deg, var(--green-accent), var(--teal-primary));
    color: white;
    padding: 10px 24px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.95rem;
    margin-bottom: 25px;
}

.hero h1 {
    font-size: 3.8rem;
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 15px;
    color: var(--text-dark);
}

.gradient {
    background: linear-gradient(135deg, var(--teal-primary), var(--blue-primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero h2 {
    font-size: 1.9rem;
    color: var(--teal-dark);
    font-weight: 700;
    margin-bottom: 20px;
}

.lead {
    font-size: 1.25rem;
    color: var(--text-gray);
    margin-bottom: 35px;
}

.hero-cards {
    display: flex;
    gap: 20px;
    margin-bottom: 35px;
}

.mini-card {
    background: white;
    padding: 20px;
    border-radius: 15px;
    display: flex;
    align-items: center;
    gap: 15px;
    box-shadow: var(--shadow);
    flex: 1;
}

.mini-card i {
    font-size: 2rem;
    color: var(--teal-primary);
}

.mini-card h3 {
    font-size: 1.1rem;
    margin-bottom: 3px;
}

.mini-card p {
    font-size: 0.9rem;
    color: var(--text-gray);
}

.cta-buttons {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.btn {
    padding: 16px 32px;
    border-radius: 50px;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    transition: all 0.3s;
    font-size: 1.05rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--teal-primary), var(--teal-light));
    color: white;
    box-shadow: var(--shadow);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 137, 123, 0.35);
}

.btn-outline {
    background: white;
    color: var(--blue-primary);
    border: 2px solid var(--blue-light);
}

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

.hero-image {
    position: relative;
}

.hero-image img {
    border-radius: 25px;
    box-shadow: var(--shadow-lg);
}

.stat-badge {
    position: absolute;
    background: white;
    padding: 15px 20px;
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    text-align: center;
}

.stat-badge.top {
    top: 20px;
    right: 20px;
}

.stat-badge.bottom {
    bottom: 20px;
    left: 20px;
}

.stat-badge strong {
    display: block;
    font-size: 2rem;
    color: var(--teal-primary);
    font-weight: 900;
}

.stat-badge span {
    font-size: 0.85rem;
    color: var(--text-gray);
}

/* === SECTIONS === */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.tag {
    display: inline-block;
    background: rgba(0, 137, 123, 0.1);
    color: var(--teal-primary);
    padding: 8px 20px;
    border-radius: 20px;
    font-weight: 700;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 15px;
}

.section-header h2 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 15px;
}

.section-header p {
    font-size: 1.15rem;
    color: var(--text-gray);
}

/* === BENEFITS SECTION === */
.benefits-section {
    padding: 90px 0;
    background: white;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}

.benefit-card {
    background: var(--bg-cream);
    padding: 35px 25px;
    border-radius: 18px;
    text-align: center;
    transition: all 0.3s;
    border: 2px solid transparent;
}

.benefit-card:hover {
    transform: translateY(-8px);
    border-color: var(--teal-light);
    box-shadow: var(--shadow-lg);
    background: white;
}

.benefit-icon {
    width: 75px;
    height: 75px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 2rem;
    color: white;
}

.benefit-icon.green {
    background: linear-gradient(135deg, #43A047, #66BB6A);
}

.benefit-icon.teal {
    background: linear-gradient(135deg, var(--teal-primary), var(--teal-light));
}

.benefit-icon.blue {
    background: linear-gradient(135deg, var(--blue-primary), var(--blue-light));
}

.benefit-card h3 {
    font-size: 1.3rem;
    margin-bottom: 12px;
    color: var(--text-dark);
}

.benefit-card p.large {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--teal-primary);
    margin: 10px 0;
}

.benefit-card p {
    color: var(--text-gray);
    font-size: 0.95rem;
}

/* === FARMERS SECTION === */
.farmers-section {
    padding: 90px 0;
    background: linear-gradient(135deg, var(--bg-cream) 0%, white 100%);
}

.farmer-benefits {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 50px;
    margin-bottom: 50px;
}

.farmer-content h3 {
    font-size: 2rem;
    margin-bottom: 30px;
    color: var(--text-dark);
}

.benefit-list {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.list-item {
    display: flex;
    gap: 20px;
    align-items: start;
    background: white;
    padding: 25px;
    border-radius: 15px;
    box-shadow: var(--shadow);
    transition: all 0.3s;
}

.list-item:hover {
    transform: translateX(10px);
}

.check-icon {
    width: 45px;
    height: 45px;
    background: var(--green-accent);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    font-weight: 700;
    flex-shrink: 0;
}

.list-item .text h4 {
    font-size: 1.2rem;
    margin-bottom: 5px;
    color: var(--text-dark);
}

.list-item .text p {
    color: var(--text-gray);
    line-height: 1.6;
}

.farmer-stats {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.stat-box {
    background: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: var(--shadow);
    text-align: center;
    border-left: 5px solid var(--teal-primary);
}

.stat-box i {
    font-size: 2.5rem;
    color: var(--teal-primary);
    margin-bottom: 15px;
}

.stat-box h3 {
    font-size: 2.5rem;
    font-weight: 900;
    margin-bottom: 8px;
    color: var(--text-dark);
}

.stat-box p {
    color: var(--text-gray);
    font-size: 1.05rem;
}

.varieties {
    background: white;
    padding: 40px;
    border-radius: 20px;
    box-shadow: var(--shadow);
}

.varieties h3 {
    font-size: 1.8rem;
    margin-bottom: 25px;
    text-align: center;
    color: var(--text-dark);
}

.variety-cards {
    display: flex;
    justify-content: center;
    gap: 20px;
}

.variety {
    background: linear-gradient(135deg, var(--teal-primary), var(--teal-light));
    color: white;
    padding: 20px 35px;
    border-radius: 12px;
    text-align: center;
}

.variety h4 {
    font-size: 1.8rem;
    margin-bottom: 5px;
}

.variety span {
    font-size: 0.9rem;
    opacity: 0.9;
}

/* === INVESTORS SECTION === */
.investors-section {
    padding: 90px 0;
    background: linear-gradient(135deg, var(--text-dark), #37474F);
    color: white;
}

.section-header.light .tag.light {
    background: rgba(255, 255, 255, 0.15);
    color: white;
}

.gradient-light {
    background: linear-gradient(135deg, var(--teal-light), var(--blue-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-header.light h2 {
    color: white;
}

.section-header.light p {
    color: rgba(255, 255, 255, 0.8);
}

.investment-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
    margin-bottom: 50px;
}

.investment-card {
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    padding: 35px;
    border-radius: 18px;
    transition: all 0.3s;
    position: relative;
}

.investment-card:hover {
    background: rgba(255, 255, 255, 0.12);
    transform: translateY(-8px);
}

.investment-card.highlighted {
    background: linear-gradient(135deg, var(--teal-primary), var(--teal-dark));
    border-color: var(--teal-light);
}

.badge {
    position: absolute;
    top: -12px;
    right: 20px;
    background: var(--green-accent);
    color: white;
    padding: 6px 18px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 700;
}

.card-icon {
    width: 70px;
    height: 70px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin-bottom: 20px;
    color: var(--teal-light);
}

.investment-card h3 {
    font-size: 1.5rem;
    margin-bottom: 20px;
}

.investment-card ul {
    list-style: none;
}

.investment-card ul li {
    padding: 12px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.9);
}

.finance-details {
    display: flex;
    justify-content: space-around;
    margin: 25px 0;
}

.finance-item {
    text-align: center;
}

.percent {
    display: block;
    font-size: 3rem;
    font-weight: 900;
    color: white;
}

.finance-item .label {
    font-size: 0.95rem;
    opacity: 0.9;
}

.investment-card .note {
    text-align: center;
    font-size: 0.95rem;
    opacity: 0.85;
    margin-top: 15px;
}

.feedstock-requirement,
.technical-specs {
    background: rgba(255, 255, 255, 0.08);
    padding: 40px;
    border-radius: 20px;
    margin-top: 30px;
}

.feedstock-requirement h3,
.technical-specs h3 {
    font-size: 1.8rem;
    margin-bottom: 30px;
    text-align: center;
}

.req-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 25px;
}

.req-item {
    background: rgba(255, 255, 255, 0.08);
    padding: 25px;
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.req-item i {
    font-size: 2.5rem;
    color: var(--teal-light);
    margin-bottom: 15px;
}

.req-item strong {
    font-size: 1.1rem;
    margin-bottom: 8px;
    display: block;
}

.req-item span {
    color: rgba(255, 255, 255, 0.8);
}

.specs-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
}

.spec {
    background: rgba(255, 255, 255, 0.08);
    padding: 20px;
    border-radius: 12px;
    text-align: center;
}

.spec strong {
    display: block;
    font-size: 1.05rem;
    margin-bottom: 10px;
    color: var(--teal-light);
}

.spec p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
}

/* === CONTACT SECTION === */
.contact-section {
    padding: 90px 0;
    background: linear-gradient(135deg, #E0F2F1 0%, white 100%);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.3fr;
    gap: 50px;
    background: white;
    border-radius: 25px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.contact-info {
    background: linear-gradient(135deg, var(--teal-dark), var(--teal-primary));
    color: white;
    padding: 50px;
}

.contact-info h2 {
    font-size: 2.3rem;
    margin-bottom: 20px;
}

.contact-info>p {
    margin-bottom: 40px;
    line-height: 1.8;
    opacity: 0.95;
}

.info-boxes {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.info-box {
    display: flex;
    gap: 18px;
    align-items: center;
}

.info-box i {
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    flex-shrink: 0;
}

.info-box strong {
    display: block;
    margin-bottom: 3px;
}

.info-box p {
    opacity: 0.9;
}

.contact-form {
    padding: 50px;
}

.contact-form h3 {
    font-size: 2rem;
    margin-bottom: 30px;
    color: var(--text-dark);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--text-dark);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 14px;
    border: 2px solid #e0e0e0;
    border-radius: 10px;
    font-family: 'Inter', sans-serif;
    font-size: 1rem;
    transition: all 0.3s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--teal-primary);
    box-shadow: 0 0 0 4px rgba(0, 137, 123, 0.1);
}

.submit-btn {
    background: linear-gradient(135deg, var(--teal-primary), var(--teal-light));
    color: white;
    padding: 16px 40px;
    border: none;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 12px;
    box-shadow: var(--shadow);
    transition: all 0.3s;
    width: 100%;
    justify-content: center;
}

.submit-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 137, 123, 0.35);
}

.form-privacy {
    text-align: center;
    margin-top: 15px;
    color: var(--text-gray);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.form-privacy i {
    color: var(--teal-primary);
}

/* === FOOTER === */
.footer {
    background: #1a1a1a;
    color: #aaa;
    padding: 60px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-logo {
    height: 50px;
    margin-bottom: 15px;
}

.footer-col p {
    margin-bottom: 20px;
    line-height: 1.8;
}

.social {
    display: flex;
    gap: 12px;
}

.social a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: all 0.3s;
}

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

.footer-col h4 {
    color: white;
    margin-bottom: 20px;
    font-size: 1.1rem;
}

.footer-col ul {
    list-style: none;
}

.footer-col ul li {
    margin-bottom: 12px;
}

.footer-col ul li a {
    color: #aaa;
    text-decoration: none;
    transition: color 0.3s;
}

.footer-col ul li a:hover {
    color: var(--teal-light);
}

.contact-list li {
    display: flex;
    align-items: center;
    gap: 10px;
}

.contact-list i {
    color: var(--teal-primary);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* === WHATSAPP === */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background: #25D366;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    box-shadow: var(--shadow-lg);
    z-index: 999;
    text-decoration: none;
    transition: all 0.3s;
}

.whatsapp-float:hover {
    transform: scale(1.15);
    box-shadow: 0 8px 30px rgba(37, 211, 102, 0.5);
}

/* === RESPONSIVE === */
@media (max-width: 992px) {

    .hero-content,
    .farmer-benefits,
    .contact-wrapper,
    .footer-grid {
        grid-template-columns: 1fr;
    }

    .benefits-grid,
    .investment-grid {
        grid-template-columns: 1fr;
    }

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

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

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

@media (max-width: 768px) {
    h1 {
        font-size: 2.8rem !important;
    }

    h2 {
        font-size: 2rem !important;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        height: 100vh;
        width: 80%;
        background: white;
        flex-direction: column;
        justify-content: center;
        box-shadow: -5px 0 20px rgba(0, 0, 0, 0.2);
        transition: right 0.3s;
        z-index: 999;
    }

    .nav-menu.active {
        right: 0;
    }

    .menu-toggle {
        display: block;
        z-index: 1001;
    }

    .hero-cards,
    .cta-buttons,
    .variety-cards {
        flex-direction: column;
    }

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

/* === ANIMATIONS & SMOOTH EFFECTS === */
html { scroll-behavior: smooth; }

/* Smooth transitions */
a, button, .btn, .card, img { transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1); }

/* Hover animations */
.btn:hover, .btn-cta:hover, .submit-btn:hover { transform: translateY(-3px); box-shadow: 0 10px 30px rgba(0,137,123,0.3); }
.benefit-card:hover, .list-item:hover, .stat-box:hover { transform: translateY(-10px); box-shadow: 0 15px 35px rgba(0,0,0,0.15); }
img:hover { transform: scale(1.02); }

/* Keyframe animations */
@keyframes fadeIn { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-15px); } }
@keyframes slideIn { from { opacity: 0; transform: translateX(-30px); } to { opacity: 1; transform: translateX(0); } }

/* Apply animations */
.section-header { animation: fadeIn 0.8s ease-out; }
.benefit-card, .list-item { animation: slideIn 0.6s ease-out backwards; }
.benefit-card:nth-child(1) { animation-delay: 0.1s; }
.benefit-card:nth-child(2) { animation-delay: 0.2s; }
.benefit-card:nth-child(3) { animation-delay: 0.3s; }
.hero-image img { animation: float 6s ease-in-out infinite; }