/* ==========================================================================
   ZENVORA ENERGY CORPORATE DESIGN SYSTEM
   ========================================================================== */

:root {
    /* Color Palette */
    --c-charcoal: #151816;
    --c-charcoal-light: #202522;
    --c-green-dark: #0f2b1c;
    --c-green-mid: #18442e;
    --c-green-light: #2d6a4f;
    --c-green-accent: #10b981;
    --c-green-glow: rgba(16, 185, 129, 0.3);
    
    --c-beige: #f5efe6;
    --c-beige-dark: #e8ded1;
    --c-offwhite: #f8faf8;
    --c-white: #ffffff;
    
    --c-text-dark: #1f2421;
    --c-text-muted: #5c6460;
    --c-text-light: #f0f4f2;
    
    /* Layout Tokens */
    --border-light: 1px solid rgba(24, 68, 46, 0.08);
    --border-glass: 1px solid rgba(255, 255, 255, 0.08);
    --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.03);
    --shadow-md: 0 10px 30px rgba(15, 43, 28, 0.06);
    --shadow-lg: 0 20px 40px rgba(0, 0, 0, 0.12);
    
    /* Fonts */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Plus Jakarta Sans', sans-serif;
    
    /* Transitions */
    --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-quick: all 0.25s ease;
}

/* Reset and Globals */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    background-color: var(--c-offwhite);
    color: var(--c-text-dark);
    font-family: var(--font-body);
    -webkit-font-smoothing: antialiased;
}

body {
    overflow-x: hidden;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    line-height: 1.65;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}
::-webkit-scrollbar-track {
    background: var(--c-offwhite);
}
::-webkit-scrollbar-thumb {
    background: var(--c-green-light);
    border-radius: 10px;
    border: 2px solid var(--c-offwhite);
}
::-webkit-scrollbar-thumb:hover {
    background: var(--c-green-accent);
}

/* Typography styles */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--c-green-dark);
    font-weight: 700;
    line-height: 1.25;
    letter-spacing: -0.015em;
}

a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition-quick);
}

/* Base Layout Helpers */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.grid-2 {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 4rem;
    align-items: center;
}

.mt-4 { margin-top: 1rem; }
.mt-6 { margin-top: 1.5rem; }
.text-center { text-align: center; }
.w-full { width: 100%; }
.hidden { display: none !important; }

/* Section Structuring */
section {
    padding: 7.5rem 0;
    position: relative;
}

.section-header {
    max-width: 700px;
    margin: 0 auto 4.5rem;
}

.section-badge {
    display: inline-block;
    padding: 0.35rem 1rem;
    background: rgba(16, 185, 129, 0.08);
    border: 1px solid rgba(16, 185, 129, 0.2);
    color: var(--c-green-light);
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    margin-bottom: 1rem;
    font-family: var(--font-heading);
}

.section-title {
    font-size: 2.6rem;
    font-weight: 800;
    color: var(--c-green-dark);
    margin-bottom: 1.2rem;
    letter-spacing: -0.02em;
}

.section-desc {
    font-size: 1.1rem;
    color: var(--c-text-muted);
}

.section-paragraph {
    font-size: 1.05rem;
    color: var(--c-text-muted);
    margin-bottom: 1.5rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.9rem 2rem;
    border-radius: 12px;
    font-family: var(--font-heading);
    font-weight: 600;
    cursor: pointer;
    border: 1px solid transparent;
    transition: var(--transition-smooth);
    font-size: 0.95rem;
}

.btn-primary {
    background: var(--c-green-light);
    color: var(--c-white);
    box-shadow: 0 4px 14px rgba(45, 106, 79, 0.2);
}

.btn-primary:hover {
    background: var(--c-green-accent);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px var(--c-green-glow);
}

.btn-secondary {
    background: var(--c-beige);
    color: var(--c-green-dark);
    border: 1px solid var(--c-beige-dark);
}

.btn-secondary:hover {
    background: var(--c-beige-dark);
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    border: 1px solid rgba(45, 106, 79, 0.3);
    color: var(--c-green-dark);
}

.btn-outline:hover {
    background: rgba(45, 106, 79, 0.05);
    border-color: var(--c-green-light);
}

.btn-lg {
    padding: 1.1rem 2.4rem;
    font-size: 1.05rem;
    border-radius: 14px;
}

.btn-sm {
    padding: 0.5rem 1.2rem;
    font-size: 0.85rem;
}

.btn-whatsapp {
    background: #25d366;
    color: var(--c-white);
    font-weight: 700;
    gap: 0.6rem;
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.25);
    border-radius: 12px;
    padding: 0.8rem 1.8rem;
    font-size: 0.95rem;
    display: inline-flex;
    align-items: center;
    margin-right: 1.5rem;
    transition: var(--transition-smooth);
}

.btn-whatsapp:hover {
    background: #128c7e;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(18, 140, 126, 0.35);
}

/* Badge System */
.badge {
    display: inline-block;
    padding: 0.4rem 1.2rem;
    background: rgba(245, 239, 230, 0.8);
    border: 1px solid var(--c-beige-dark);
    border-radius: 50px;
    color: var(--c-green-mid);
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    backdrop-filter: blur(10px);
}

/* Header & Navigation Bar */
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    background: rgba(248, 250, 248, 0.85);
    backdrop-filter: blur(18px);
    border-bottom: var(--border-light);
    transition: var(--transition-smooth);
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1.1rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.logo-img {
    height: 72px;
    object-fit: contain;
    transition: var(--transition-smooth);
}

.logo-img:hover {
    transform: scale(1.03);
}

.logo-svg {
    border-radius: 50%;
}

.logo-text {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.35rem;
    color: var(--c-green-dark);
    letter-spacing: 0.03em;
    display: flex;
    flex-direction: column;
    line-height: 1;
}

.logo-subtext {
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.42em;
    color: var(--c-green-accent);
    margin-top: 0.15rem;
}

.nav-links {
    display: flex;
    gap: 1.8rem;
}

.nav-link {
    font-size: 0.92rem;
    font-weight: 600;
    color: var(--c-text-muted);
    position: relative;
    padding: 0.3rem 0;
}

.nav-link:hover, .nav-link.active {
    color: var(--c-green-light);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--c-green-accent);
    transition: var(--transition-quick);
}

.nav-link.active::after, .nav-link:hover::after {
    width: 100%;
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 6px;
}

.mobile-menu-btn span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--c-green-dark);
    transition: var(--transition-quick);
}

/* Background Atmosphere Orbs */
.aura-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -2;
    overflow: hidden;
    pointer-events: none;
}

.aura-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(140px);
    opacity: 0.08;
    animation: floatGlows 28s infinite alternate ease-in-out;
}

.aura-green {
    width: 700px;
    height: 700px;
    background: radial-gradient(circle, var(--c-green-accent) 0%, rgba(16,185,129,0) 70%);
    top: -10%;
    left: -5%;
}

.aura-earth {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--c-beige-dark) 0%, rgba(232,222,209,0) 70%);
    bottom: -10%;
    right: -5%;
    animation-delay: 4s;
}

.aura-dark {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, var(--c-green-light) 0%, rgba(45,106,79,0) 70%);
    top: 40%;
    left: 50%;
    animation-delay: 8s;
}

@keyframes floatGlows {
    0% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(60px, -40px) scale(1.1); }
    100% { transform: translate(-40px, 40px) scale(0.9); }
}

/* Hero Section */
.hero-section {
    position: relative;
    padding: 12rem 0 9rem;
    color: var(--c-text-light);
    text-align: center;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: linear-gradient(135deg, rgba(15, 43, 28, 0.78) 0%, rgba(21, 24, 22, 0.88) 100%), url('assets/biogas-hero.jpg');
    background-size: cover;
    background-position: center;
    filter: brightness(1.12) contrast(1.15) saturate(1.15);
    z-index: 1;
}

.hero-bg-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 80% 20%, rgba(16, 185, 129, 0.15) 0%, transparent 60%);
    pointer-events: none;
    z-index: 2;
}

.hero-container {
    max-width: 900px;
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    z-index: 5;
}

.hero-section h1 {
    color: var(--c-white);
}

.hero-title {
    font-size: 3.8rem;
    font-weight: 800;
    line-height: 1.15;
    margin-top: 1.5rem;
    margin-bottom: 1.8rem;
    letter-spacing: -0.025em;
}

.text-gradient {
    background: linear-gradient(135deg, var(--c-green-accent), #a7f3d0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 0 30px rgba(16, 185, 129, 0.15);
}

.hero-subtitle {
    font-size: 1.2rem;
    color: rgba(240, 244, 242, 0.85);
    max-width: 720px;
    margin-bottom: 3.5rem;
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    gap: 1.5rem;
}

.wave-separator {
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 100%;
    line-height: 0;
    z-index: 10;
}

.wave-separator svg {
    position: relative;
    display: block;
    width: calc(100% + 1.3px);
    height: 48px;
}

.wave-separator .shape-fill {
    fill: var(--c-offwhite);
}

/* About Us Section */
.about-section {
    background: var(--c-offwhite);
}

.about-visual-modern {
    position: relative;
    width: 100%;
    height: 480px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.about-image-wrapper {
    width: 90%;
    height: 100%;
    border-radius: 32px;
    overflow: hidden;
    position: relative;
    border: 1px solid rgba(255, 255, 255, 0.35);
    box-shadow: 0 15px 45px rgba(15, 43, 28, 0.08);
}

.about-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-smooth);
    filter: brightness(1.08) contrast(1.1) saturate(1.1);
}

.about-image-wrapper:hover .about-image {
    transform: scale(1.04);
}

.about-image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(15, 43, 28, 0.05) 0%, rgba(15, 43, 28, 0.3) 100%);
    pointer-events: none;
}

.about-stat-glass {
    position: absolute;
    background: rgba(255, 255, 255, 0.7);
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: 24px;
    padding: 1.5rem 2rem;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: 0 10px 30px rgba(15, 43, 28, 0.12);
    text-align: center;
    z-index: 10;
    transition: var(--transition-smooth);
    width: 240px;
}

.about-stat-glass:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.85);
    box-shadow: 0 15px 40px rgba(15, 43, 28, 0.18);
    border-color: rgba(16, 185, 129, 0.35);
}

.stat-card-1 {
    top: 15%;
    left: -5%;
    animation: floatCard1 6s ease-in-out infinite alternate;
}

.stat-card-2 {
    bottom: 15%;
    right: -5%;
    animation: floatCard2 6s ease-in-out infinite alternate;
}

@keyframes floatCard1 {
    0% { transform: translateY(0) rotate(-0.5deg); }
    100% { transform: translateY(-12px) rotate(0.5deg); }
}

@keyframes floatCard2 {
    0% { transform: translateY(0) rotate(0.5deg); }
    100% { transform: translateY(12px) rotate(-0.5deg); }
}

@media (max-width: 991px) {
    .about-visual-modern {
        height: 380px;
        margin-top: 3rem;
    }
    .about-image-wrapper {
        width: 100%;
    }
    .about-stat-glass {
        width: 200px;
        padding: 1.2rem 1.5rem;
    }
    .stat-card-1 {
        left: 2%;
    }
    .stat-card-2 {
        right: 2%;
    }
}

@media (max-width: 480px) {
    .about-visual-modern {
        height: 300px;
    }
    .about-stat-glass {
        width: 160px;
        padding: 1rem;
    }
    .stat-num {
        font-size: 2rem;
    }
    .stat-card-1 {
        left: -10px;
        top: 5%;
    }
    .stat-card-2 {
        right: -10px;
        bottom: 5%;
    }
}

.stat-num {
    display: block;
    font-family: var(--font-heading);
    font-size: 2.8rem;
    font-weight: 800;
    color: var(--c-green-light);
    line-height: 1;
    margin-bottom: 0.4rem;
}

.stat-label {
    font-size: 0.88rem;
    color: var(--c-text-muted);
    font-weight: 600;
}

.circular-graphics {
    position: absolute;
    z-index: 1;
    width: 250px;
    height: 250px;
    opacity: 0.4;
    pointer-events: none;
}

.circle-rotating-border {
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    border: 2px dashed var(--c-green-accent);
    animation: rotateCircle 35s infinite linear;
}

.circle-center-icon {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 2.5rem;
}

@keyframes rotateCircle {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* Products Section */
.products-section {
    background: var(--c-white);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2.5rem;
}

.product-card {
    background: rgba(255, 255, 255, 0.7);
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: 24px;
    padding: 2.5rem;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: 0 8px 32px rgba(15, 43, 28, 0.03);
    transition: var(--transition-smooth);
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 45px rgba(15, 43, 28, 0.08);
    border-color: rgba(16, 185, 129, 0.3);
    background: rgba(255, 255, 255, 0.85);
}

.product-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1.5rem;
}

.product-badge {
    font-size: 0.75rem;
    font-weight: 700;
    padding: 0.3rem 0.8rem;
    border-radius: 30px;
    font-family: var(--font-heading);
}

.product-badge.upcoming {
    background: rgba(245, 158, 11, 0.1);
    color: #d97706;
    border: 1px solid rgba(245, 158, 11, 0.25);
}

.product-badge.ongoing {
    background: rgba(16, 185, 129, 0.1);
    color: var(--c-green-light);
    border: 1px solid rgba(16, 185, 129, 0.25);
}

.product-icon {
    font-size: 2.2rem;
    width: 60px;
    height: 60px;
    background: rgba(45, 106, 79, 0.05);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.product-title {
    font-size: 1.45rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.product-desc {
    font-size: 0.95rem;
    color: var(--c-text-muted);
    margin-bottom: 2rem;
    line-height: 1.6;
}

.product-details {
    margin-top: auto;
    border-top: 1px solid rgba(24, 68, 46, 0.06);
    padding-top: 1.5rem;
}

.detail-label {
    font-size: 0.82rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--c-green-mid);
    letter-spacing: 0.05em;
    margin-bottom: 0.6rem;
}

.detail-list {
    list-style: none;
}

.detail-list li {
    font-size: 0.88rem;
    color: var(--c-text-muted);
    position: relative;
    padding-left: 1.2rem;
    margin-bottom: 0.4rem;
}

.detail-list li::before {
    content: '•';
    position: absolute;
    left: 0.3rem;
    color: var(--c-green-accent);
    font-weight: 800;
}

.font-benefit li {
    font-size: 0.9rem;
}

/* Sustainability Section */
.sustainability-section {
    background: linear-gradient(135deg, var(--c-green-dark) 0%, var(--c-charcoal) 100%);
    color: var(--c-text-light);
}

.sustainability-section h2 {
    color: var(--c-white);
}

.sustainability-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.sustain-card {
    background: rgba(255, 255, 255, 0.03);
    border: var(--border-glass);
    border-radius: 20px;
    padding: 2.2rem;
    transition: var(--transition-smooth);
    backdrop-filter: blur(10px);
}

.sustain-card:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(16, 185, 129, 0.25);
    transform: translateY(-5px);
}

.sustain-icon {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
}

.sustain-title {
    color: var(--c-white);
    font-size: 1.25rem;
    margin-bottom: 0.8rem;
}

.sustain-desc {
    font-size: 0.92rem;
    color: rgba(240, 244, 242, 0.75);
    line-height: 1.6;
}

/* Projects Section */
.projects-section {
    background: var(--c-offwhite);
}

.project-showcase-card {
    background: rgba(255, 255, 255, 0.7);
    border: 1px solid rgba(255, 255, 255, 0.4);
    border-radius: 28px;
    padding: 3rem;
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    box-shadow: 0 10px 40px rgba(15, 43, 28, 0.04);
    position: relative;
    overflow: hidden;
    transition: var(--transition-smooth);
}

.project-showcase-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 50px rgba(15, 43, 28, 0.08);
    border-color: rgba(16, 185, 129, 0.25);
    background: rgba(255, 255, 255, 0.82);
}

.project-badge {
    position: absolute;
    top: 2rem;
    right: 2rem;
    font-size: 0.75rem;
    font-weight: 800;
    padding: 0.35rem 1rem;
    border-radius: 30px;
    background: rgba(16, 185, 129, 0.08);
    color: var(--c-green-light);
    border: 1px solid rgba(16, 185, 129, 0.2);
    font-family: var(--font-heading);
}

.project-badge.upcoming {
    background: rgba(37, 99, 235, 0.08);
    color: #2563eb;
    border-color: rgba(37, 99, 235, 0.25);
}

.project-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 3.5rem;
    align-items: center;
}

.project-info .project-title {
    font-size: 1.85rem;
    margin-bottom: 1.2rem;
}

.project-text {
    font-size: 1rem;
    color: var(--c-text-muted);
    margin-bottom: 1.5rem;
}

.project-meta-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-top: 2rem;
    border-top: 1px solid rgba(24, 68, 46, 0.06);
    padding-top: 1.5rem;
}

.meta-list-title {
    font-size: 0.88rem;
    text-transform: uppercase;
    font-weight: 700;
    color: var(--c-green-mid);
    margin-bottom: 0.8rem;
}

.meta-list {
    list-style: none;
}

.meta-list li {
    font-size: 0.88rem;
    color: var(--c-text-muted);
    position: relative;
    padding-left: 1.2rem;
    margin-bottom: 0.5rem;
    line-height: 1.4;
}

.meta-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--c-green-accent);
    font-weight: 800;
}

.project-visual {
    height: 380px;
    border-radius: 20px;
    background-size: cover;
    background-position: center;
    position: relative;
    display: flex;
    align-items: flex-end;
    overflow: hidden;
}

.bg-intern {
    background-image: linear-gradient(to top, rgba(15, 43, 28, 0.9) 0%, rgba(15, 43, 28, 0.2) 60%), url('https://images.unsplash.com/photo-1522202176988-66273c2fd55f?fit=crop&w=600&h=500');
}

.bg-cbg {
    background-image: linear-gradient(to top, rgba(15, 43, 28, 0.85) 0%, rgba(15, 43, 28, 0.25) 60%), url('assets/biogas-project.jpg');
    filter: brightness(1.08) contrast(1.12) saturate(1.15);
}

.overlay-text {
    padding: 2rem;
    color: var(--c-white);
}

.overlay-text h4 {
    color: var(--c-white);
    font-size: 1.25rem;
    margin-bottom: 0.4rem;
}

.overlay-text p {
    font-size: 0.88rem;
    opacity: 0.85;
}

.feedstock-pills {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    margin-top: 1.5rem;
}

.feedstock-pills li {
    background: rgba(45, 106, 79, 0.05);
    border: 1px solid rgba(45, 106, 79, 0.15);
    padding: 0.4rem 1rem;
    border-radius: 50px;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--c-green-light);
}

/* Leadership Section */
.leadership-section {
    background: var(--c-white);
}

.leadership-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3.5rem;
}

.leader-card {
    background: var(--c-offwhite);
    border: var(--border-light);
    border-radius: 28px;
    overflow: hidden;
    transition: var(--transition-smooth);
    display: flex;
    flex-direction: column;
}

.leader-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-md);
    border-color: rgba(16, 185, 129, 0.2);
}

.leader-img-wrapper {
    position: relative;
    height: 380px;
    overflow: hidden;
}

.leader-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center 15%;
    transition: var(--transition-smooth);
}

.leader-card:hover .leader-img {
    transform: scale(1.05);
}

.leader-social-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    background: linear-gradient(to top, rgba(15, 43, 28, 0.95) 0%, rgba(15, 43, 28, 0) 100%);
    padding: 2.5rem 2rem 1.5rem;
    color: var(--c-white);
    font-weight: 600;
}

.leader-info {
    padding: 2.2rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.leader-name {
    font-size: 1.6rem;
    margin-bottom: 0.3rem;
}

.leader-role {
    font-size: 0.88rem;
    font-weight: 700;
    color: var(--c-green-accent);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 1.2rem;
}

.leader-bio {
    font-size: 0.95rem;
    color: var(--c-text-muted);
    line-height: 1.6;
}

.quote-card {
    background: var(--c-beige);
    border: 1px solid var(--c-beige-dark);
    border-radius: 24px;
    padding: 3rem;
    text-align: center;
    max-width: 800px;
    margin: 4.5rem auto 0;
    position: relative;
}

.quote-icon {
    font-size: 6rem;
    font-family: Georgia, serif;
    color: rgba(45, 106, 79, 0.1);
    line-height: 0;
    position: absolute;
    top: 2rem;
    left: 50%;
    transform: translateX(-50%);
}

.quote-text {
    font-family: var(--font-heading);
    font-size: 1.35rem;
    font-style: italic;
    color: var(--c-green-dark);
    font-weight: 500;
    line-height: 1.6;
    position: relative;
    z-index: 2;
}

/* Partnership Section */
.partner-section {
    background: linear-gradient(135deg, var(--c-charcoal) 0%, var(--c-green-dark) 100%);
}

.partnership-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 1.5rem;
}

.partner-card {
    background: rgba(255, 255, 255, 0.02);
    border: var(--border-glass);
    border-radius: 20px;
    padding: 1.8rem;
    text-align: center;
    transition: var(--transition-smooth);
}

.partner-card:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(16, 185, 129, 0.25);
    transform: translateY(-5px);
}

.partner-card-icon {
    font-size: 2.2rem;
    margin-bottom: 1.2rem;
}

.partner-card h4 {
    color: var(--c-white);
    font-size: 1rem;
    margin-bottom: 0.8rem;
    line-height: 1.3;
}

.partner-card p {
    font-size: 0.82rem;
    color: rgba(240, 244, 242, 0.65);
    line-height: 1.5;
}

/* Vision Section */
.vision-section {
    padding: 10rem 0;
    background-image: linear-gradient(rgba(15, 43, 28, 0.9) 0%, rgba(15, 43, 28, 0.9) 100%), url('https://images.unsplash.com/photo-1473341304170-971dccb5ac1e?fit=crop&w=1600&h=900');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    text-align: center;
    color: var(--c-white);
}

.vision-container {
    max-width: 800px;
}

.vision-section h2 {
    color: var(--c-white);
}

.vision-title {
    font-size: 3rem;
    margin-top: 1.5rem;
    margin-bottom: 1.8rem;
}

.vision-text {
    font-family: var(--font-heading);
    font-size: 1.6rem;
    font-weight: 500;
    line-height: 1.6;
    letter-spacing: -0.01em;
    color: rgba(255, 255, 255, 0.9);
}

/* Contact Us Section */
.contact-section {
    background: var(--c-offwhite);
}

.contact-info {
    display: flex;
    flex-direction: column;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-top: 2rem;
    margin-bottom: 3rem;
}

.method-card {
    background: var(--c-white);
    border: var(--border-light);
    border-radius: 16px;
    padding: 1.2rem 1.8rem;
    display: flex;
    align-items: center;
    gap: 1.2rem;
    box-shadow: var(--shadow-sm);
}

.method-icon {
    font-size: 1.8rem;
    width: 48px;
    height: 48px;
    background: rgba(45, 106, 79, 0.05);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.method-card h5 {
    font-size: 0.95rem;
    color: var(--c-green-dark);
    margin-bottom: 0.2rem;
}

.method-card p {
    font-size: 0.88rem;
    color: var(--c-text-muted);
}

/* Social media & WhatsApp area */
.social-branding-container {
    border-top: 1px solid rgba(24, 68, 46, 0.06);
    padding-top: 2.2rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.social-channels {
    display: flex;
    align-items: center;
    gap: 1.2rem;
}

.social-title {
    font-size: 0.88rem;
    font-weight: 700;
    color: var(--c-text-muted);
}

.social-icons {
    display: flex;
    gap: 0.8rem;
}

.social-btn-wrapper {
    position: relative;
}

.social-btn {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: var(--c-white);
    border: var(--border-light);
    color: var(--c-text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    cursor: help;
    transition: var(--transition-quick);
}

.font-soc {
    font-weight: 700;
}

.social-btn-wrapper:hover .social-btn {
    border-color: var(--c-green-accent);
    color: var(--c-green-light);
    background: rgba(16, 185, 129, 0.04);
}

.tooltip {
    position: absolute;
    bottom: 120%;
    left: 50%;
    transform: translateX(-50%) translateY(5px);
    background: var(--c-charcoal);
    color: var(--c-white);
    font-size: 0.72rem;
    font-weight: 600;
    padding: 0.35rem 0.8rem;
    border-radius: 6px;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition-quick);
    box-shadow: var(--shadow-sm);
}

.tooltip::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border-width: 5px;
    border-style: solid;
    border-color: var(--c-charcoal) transparent transparent transparent;
}

.social-btn-wrapper:hover .tooltip {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

/* Contact Form styling */
.contact-form-container {
    background: var(--c-white);
    border: var(--border-light);
    box-shadow: var(--shadow-md);
    border-radius: 28px;
    padding: 3rem;
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.form-group {
    margin-bottom: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--c-green-dark);
}

.form-control {
    width: 100%;
    padding: 0.85rem 1.2rem;
    border-radius: 10px;
    border: 1px solid rgba(24, 68, 46, 0.12);
    outline: none;
    font-family: var(--font-body);
    font-size: 0.95rem;
    color: var(--c-text-dark);
    background: var(--c-offwhite);
    transition: var(--transition-quick);
}

.form-control::placeholder {
    color: #939b97;
}

.form-control:focus {
    border-color: var(--c-green-accent);
    background: var(--c-white);
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
}

.form-control.textarea {
    resize: none;
}

/* Map Graphic Visualization */
.map-placeholder {
    height: 180px;
    border-radius: 16px;
    border: var(--border-light);
    position: relative;
    overflow: hidden;
    background: #e5e9e6;
}

.map-overlay {
    position: absolute;
    top: 1rem;
    left: 1rem;
    background: rgba(15, 43, 28, 0.9);
    padding: 0.45rem 1rem;
    border-radius: 30px;
    color: var(--c-white);
    font-size: 0.78rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.4rem;
    z-index: 5;
    box-shadow: var(--shadow-sm);
}

.map-graphics {
    position: absolute;
    width: 100%;
    height: 100%;
}

.map-road {
    position: absolute;
    background: #fff;
    box-shadow: inset 0 0 4px rgba(0,0,0,0.05);
}

.map-road.road-h {
    width: 100%;
    height: 24px;
    top: 50%;
    transform: translateY(-50%);
}

.map-road.road-v {
    width: 32px;
    height: 100%;
    left: 40%;
}

.map-pin {
    position: absolute;
    width: 18px;
    height: 18px;
    background: var(--c-green-accent);
    border: 3px solid #fff;
    border-radius: 50%;
    top: 50%;
    left: 40%;
    transform: translate(-9px, -9px);
    box-shadow: 0 0 10px rgba(16, 185, 129, 0.8);
    animation: mapPinPulse 1.8s infinite ease-in-out;
}

@keyframes mapPinPulse {
    0%, 100% { transform: translate(-9px, -9px) scale(1); }
    50% { transform: translate(-9px, -9px) scale(1.2); }
}

/* Internship Application Modal */
.modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(15, 43, 28, 0.45);
    backdrop-filter: blur(10px);
    z-index: 500;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 1;
    transition: var(--transition-quick);
}

.modal-card {
    background: var(--c-white);
    border: var(--border-light);
    border-radius: 28px;
    width: 100%;
    max-width: 650px;
    padding: 3rem;
    box-shadow: var(--shadow-lg);
    position: relative;
    animation: modalSlideUp 0.4s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes modalSlideUp {
    from {
        opacity: 0;
        transform: translateY(30px) scale(0.97);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.modal-close {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    background: none;
    border: none;
    font-size: 2rem;
    line-height: 1;
    cursor: pointer;
    color: var(--c-text-muted);
    transition: var(--transition-quick);
}

.modal-close:hover {
    color: var(--c-green-dark);
}

.modal-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.modal-icon {
    font-size: 2rem;
    width: 54px;
    height: 54px;
    background: rgba(45, 106, 79, 0.05);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-header h3 {
    font-size: 1.35rem;
}

.modal-header p {
    font-size: 0.82rem;
    color: var(--c-text-muted);
}

.modal-form select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='%235c6460'%3E%3Cpath fill-rule='evenodd' d='M5.293 7.293a1 1 0 011.414 0L10 10.586l3.293-3.293a1 1 0 111.414 1.414l-4 4a1 1 0 01-1.414 0l-4-4a1 1 0 010-1.414z' clip-rule='evenodd'/%3E%3Csvg%3E");
    background-repeat: no-repeat;
    background-position: right 1.2rem center;
    background-size: 1.1em;
    padding-right: 2.5rem;
}

/* Success Toast Notification */
.toast-success {
    position: fixed;
    bottom: 2.5rem;
    right: 2.5rem;
    background: var(--c-green-dark);
    color: var(--c-white);
    padding: 1rem 1.8rem;
    border-radius: 14px;
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 0.8rem;
    z-index: 1000;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.95rem;
    border: 1px solid rgba(16, 185, 129, 0.3);
    animation: toastSlideIn 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.toast-icon {
    font-size: 1.2rem;
    width: 24px;
    height: 24px;
    background: var(--c-green-accent);
    color: var(--c-green-dark);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
}

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

/* Footer Section */
.main-footer {
    background: var(--c-charcoal);
    color: rgba(240, 244, 242, 0.75);
    padding: 6rem 0 3rem;
    border-top: var(--border-glass);
}

.footer-container {
    display: grid;
    grid-template-columns: 1.2fr 1fr 0.8fr;
    gap: 4rem;
}

.main-footer h4 {
    color: var(--c-white);
    font-size: 1.05rem;
    margin-bottom: 1.5rem;
    font-family: var(--font-heading);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.footer-brand .logo {
    margin-bottom: 1rem;
}

.footer-brand .logo-text {
    color: var(--c-white);
}

.brand-tagline {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--c-green-accent);
    margin-bottom: 0.6rem;
}

.brand-details {
    font-size: 0.85rem;
    color: rgba(240, 244, 242, 0.55);
}

.footer-links-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.8rem;
}

.footer-navigation a {
    font-size: 0.88rem;
    color: rgba(240, 244, 242, 0.7);
    display: block;
}

.footer-navigation a:hover {
    color: var(--c-green-accent);
    transform: translateX(3px);
}

.footer-contact p {
    font-size: 0.88rem;
    margin-bottom: 0.8rem;
}

.footer-contact p a {
    color: rgba(240, 244, 242, 0.9);
}

.footer-contact p a:hover {
    color: var(--c-green-accent);
}

.footer-bottom {
    grid-column: span 3;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding-top: 3rem;
    margin-top: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
    align-items: center;
}

.disclaimer {
    font-size: 0.78rem;
    color: rgba(240, 244, 242, 0.45);
    text-align: center;
    line-height: 1.5;
    max-width: 800px;
}

.copyright {
    font-size: 0.8rem;
    color: rgba(240, 244, 242, 0.55);
}

/* Responsive Grid and Breakpoints */
@media (max-width: 1024px) {
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem;
    }
    
    .sustainability-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .partnership-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .leadership-grid {
        gap: 2rem;
    }
}

@media (max-width: 768px) {
    section {
        padding: 5rem 0;
    }
    
    .grid-2, .project-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
    
    .about-visual {
        order: -1;
    }
    
    .hero-title {
        font-size: 2.6rem;
    }
    
    .hero-subtitle {
        font-size: 1.05rem;
    }
    
    .hero-actions {
        flex-direction: column;
        width: 100%;
        max-width: 320px;
        gap: 1rem;
    }
    
    .btn-lg {
        padding: 0.9rem 2rem;
        font-size: 0.95rem;
    }
    
    .products-grid, .leadership-grid {
        grid-template-columns: 1fr;
    }
    
    .project-meta-grid {
        grid-template-columns: 1fr;
        gap: 1.2rem;
    }
    
    .partnership-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .form-grid {
        grid-template-columns: 1fr;
        gap: 0;
    }
    
    .footer-container {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
    
    .footer-bottom {
        grid-column: span 1;
    }
    
    /* Mobile nav links overlay */
    .nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--c-offwhite);
        border-bottom: var(--border-light);
        padding: 2rem;
        gap: 1.2rem;
        align-items: center;
        box-shadow: var(--shadow-md);
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .btn-nav {
        display: none;
    }
}

@media (max-width: 480px) {
    .partnership-grid {
        grid-template-columns: 1fr;
    }
    
    .btn-whatsapp {
        width: 100%;
        margin-right: 0;
        margin-bottom: 1rem;
        justify-content: center;
    }
    
    .contact-form-container {
        padding: 1.8rem;
    }
}