/* Custom Palette variables */
:root {
    --primary-color: #0b666a;
    --secondary-color: #35a29f;
    --light-bg: #f4f9f9;
    --dark-text: #2c3e50;
    --white: #ffffff;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    scroll-behavior: smooth;
}

body {
    color: var(--dark-text);
    line-height: 1.6;
    background-color: var(--white);
    overflow-x: hidden;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

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

/* Top Info Bar */
.top-bar {
    background-color: var(--dark-text);
    color: #cbd5e1;
    padding: 8px 0;
    font-size: 0.85rem;
}
.top-bar .container {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
}

/* Navbar */
header {
    background-color: var(--white);
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
    gap: 20px;
}

/* LOGO — icon left, two-line text right, vertically centered */
.logo {
    display: flex;
    align-items: center;
    gap: 16px;
    text-decoration: none;
    cursor: pointer;
    transition: transform 0.2s ease, opacity 0.2s ease;
}
.logo:hover {
    transform: translateY(-1px);
    opacity: 0.95;
}
.logo img {
    height: 68px;
    width: auto;
    flex-shrink: 0;
}
.logo h2 {
    margin: 0;
    display: flex;
    flex-direction: column;
    align-items: flex-start;   /* fixed: was "center", which centered the two lines on top of
                                   each other instead of left-aligning them like the reference logo */
    justify-content: center;
    text-transform: uppercase;
    line-height: 1.15;
}

.company-name-main {
    color: #0d3b34;
    font-size: 1.75rem;
    letter-spacing: 1.2px;
    font-weight: 900;
    line-height: 1;
}

.company-name-sub {
    color: #0d3b34;
    font-size: 1.05rem;
    font-weight: 800;
    letter-spacing: 1px;
    margin-top: 8px;
}

nav {
    flex: 1;
    display: flex;
    justify-content: flex-end;
    align-items: center;
}

/* Navigation Hover Effects */
nav ul {
    display: flex;
    list-style: none;
    align-items: center;
    gap: 16px;
    flex-wrap: nowrap;
    white-space: nowrap;
    overflow-x: auto;
    padding-bottom: 2px;
}
nav ul::-webkit-scrollbar { display: none; }
nav ul li a {
    text-decoration: none;
    color: var(--dark-text);
    font-weight: 500;
    font-size: 0.92rem;
    position: relative;
    padding: 8px 12px;
    transition: color 0.5s ease;
    display: block;
}

/* Top and bottom borders animation */
nav ul li a::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-top: 2px solid var(--dark-text);
    border-bottom: 2px solid var(--dark-text);
    transform: scaleY(2);
    opacity: 0;
    transition: opacity 0.3s ease, transform 0.3s ease;
    z-index: 1;
}

/* Background fill animation */
nav ul li a::after {
    content: '';
    position: absolute;
    top: 2px;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--dark-text);
    transform: scale(0);
    opacity: 0;
    transition: transform 0.3s ease, opacity 0.3s ease;
    z-index: -1;
}

nav ul li a:hover {
    color: var(--white);
}

nav ul li a:hover::before {
    transform: scaleY(1);
    opacity: 1;
}

nav ul li a:hover::after {
    transform: scaleY(1);
    opacity: 1;
}

/* Contact Nav Button Hover Variant */
.btn-nav {
    background-color: var(--primary-color);
    color: var(--white) !important;
    padding: 8px 18px !important;
    border-radius: 5px;
    overflow: hidden;
    z-index: 1;
    transition: background-color 0.3s ease, transform 0.18s ease;
}

.btn-nav::before, .btn-nav::after {
    display: none;
}

.btn-nav:hover {
    background-color: var(--secondary-color);
    transform: scale(1.03);
    color: var(--white) !important;
}

/* Hero Section Base */
.hero {
    position: relative;
    height: 85vh;
    display: flex;
    align-items: center;
    color: var(--white);
    overflow: hidden;
}

/* Slideshow Container System */
.hero-slideshow {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}
.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transform: scale(1.12);
    transition: opacity 1.15s ease, transform 8s ease;
}
.slide::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(rgba(11, 102, 106, 0.72), rgba(44, 62, 80, 0.9));
}
.slide.active {
    opacity: 1;
    transform: scale(1.02);
}

/* Bullet Navigation Container */
.slide-bullets-container {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 12px;
    z-index: 10;
}

/* Bullet Styles */
.slide-bullet {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.5);
    border: 2px solid rgba(255, 255, 255, 0.7);
    cursor: pointer;
    transition: all 0.3s ease;
    padding: 0;
    position: relative;
}

.slide-bullet:hover {
    background-color: rgba(255, 255, 255, 0.8);
    transform: scale(1.2);
}

.slide-bullet.active {
    background-color: #ffffff;
    box-shadow: 0 0 12px rgba(255, 255, 255, 0.6);
    transform: scale(1.3);
}

/* Tooltip Styles */
.slide-bullet[title] {
    position: relative;
}

.slide-bullet[title]::after {
    content: attr(title);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    background-color: rgba(0, 0, 0, 0.9);
    color: #ffffff;
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 0.85rem;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
    margin-bottom: 8px;
    z-index: 20;
}

.slide-bullet[title]:hover::after {
    opacity: 1;
}

/* Hero Main Content */
.hero-content {
    position: relative;
    z-index: 2;
}
.hero-content h1 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 20px;
    line-height: 1.2;
}
.hero-content h1 span { color: #5fd0df; }
.hero-content p {
    font-size: 1.2rem;
    max-width: 700px;
    margin-bottom: 30px;
    color: #e2e8f0;
}

.btn-primary {
    display: inline-block;
    background-color: var(--secondary-color);
    color: var(--white);
    text-decoration: none;
    padding: 12px 35px;
    border-radius: 5px;
    font-weight: 600;
    border: none;
    position: relative;
    z-index: 1;
    transition: background-color 0.25s ease, transform 0.18s ease, box-shadow 0.25s ease;
    box-shadow: 0 3px 10px rgba(53, 162, 159, 0.28);
}
.btn-primary:hover {
    background-color: #278380;
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(53, 162, 159, 0.45);
}

/* Section Common Setup */
section { padding: 90px 0; }
.section-title {
    text-align: center;
    margin-bottom: 50px;
}
.section-title h2 {
    font-size: 2.3rem;
    color: var(--primary-color);
    margin-bottom: 12px;
}
.section-title p { color: #64748b; font-size: 1.1rem; }

/* SCROLL REVEAL & GENTLE SLIDING-WINDOW PARALLAX EFFECT */
.scroll-reveal {
    opacity: 0;
    transform: translateY(60px);
    transition: opacity 0.9s cubic-bezier(0.16, 1, 0.3, 1), transform 0.9s cubic-bezier(0.16, 1, 0.3, 1);
    will-change: opacity, transform;
}

.scroll-reveal.reveal-active {
    opacity: 1;
    transform: translateY(0);
}

/* PRIMARY COMMERCIAL PRODUCT (FUEL ETHANOL) & PROCESS */
.primary-product-section {
    background-color: var(--white);
    position: relative;
    background-image: url('Plant.jpeg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

.primary-product-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(8px);
    z-index: 0;
}

.primary-product-section .container {
    position: relative;
    z-index: 1;
}

.fuel-ethanol-banner {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 40px;
    background: linear-gradient(135deg, #0b666a 0%, #1a3636 100%);
    color: var(--white);
    padding: 40px;
    border-radius: 16px;
    align-items: center;
    box-shadow: 0 15px 35px rgba(11, 102, 106, 0.2);
    margin-bottom: 60px;
}

.product-badge {
    display: inline-block;
    background-color: var(--secondary-color);
    color: var(--white);
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 15px;
}

.ethanol-info-content h3 {
    font-size: 2.2rem;
    margin-bottom: 15px;
    color: #ffffff;
}

.ethanol-info-content p {
    font-size: 1.05rem;
    line-height: 1.8;
    color: #e2e8f0;
    margin-bottom: 25px;
    text-align: justify;
    max-width: 680px;
}

.spec-highlights {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.spec-chip {
    background: rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(5px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 600;
}

.featured-ethanol-img {
    width: 100%;
    border-radius: 12px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
    object-fit: cover;
    max-height: 320px;
}

.subsection-title {
    text-align: center;
    margin-bottom: 40px;
    position: relative;
}

.subsection-title h3 {
    font-size: 1.8rem;
    color: var(--primary-color);
    margin-bottom: 8px;
}

.steps-timeline {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 25px;
}

.step {
    background-color: var(--light-bg);
    padding: 30px 20px;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 6px rgba(0,0,0,0.02);
    transition: all 0.35s ease;
    border-top: 4px solid var(--secondary-color);
}

.step:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 12px 24px rgba(0,0,0,0.1);
    background-color: var(--white);
}

.step-num {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 18px;
    font-size: 1.5rem;
    color: var(--white);
    background-color: var(--primary-color);
    box-shadow: 0 6px 15px rgba(11, 102, 106, 0.25);
}

/* PRODUCTS SECTION & BY-PRODUCTS */
.products { background-color: var(--light-bg); }
.products-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 35px;
}

.product-img-rice {
    background: linear-gradient(135deg, rgba(11, 102, 106, 0.72), rgba(53, 162, 159, 0.42)), url('rice_ddgs.png');
    background-size: cover;
    background-position: center;
}

.product-img-corn {
    background: linear-gradient(135deg, rgba(11, 102, 106, 0.72), rgba(53, 162, 159, 0.42)), url('corn_ddgs.jpg');
    background-size: cover;
    background-position: center;
}

.product-card {
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0, 1);
    background-color: var(--white);
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0px 13px 10px -7px rgba(0, 0, 0, 0.1);
}

.product-card:hover {
    box-shadow: 0px 30px 18px -8px rgba(0, 0, 0, 0.15);
    transform: scale(1.04);
}

.card__info-hover {
    position: absolute;
    padding: 16px;
    width: 100%;
    opacity: 0;
    top: 0;
    z-index: 3;
    transition: opacity 0.3s ease;
}

.card__info-icon { width: 24px; height: 24px; }

.card__img {
    width: 100%;
    height: 200px;
    border-top-left-radius: 12px;
    border-top-right-radius: 12px;
    overflow: hidden;
    position: relative;
    background: linear-gradient(135deg, #e7f5f4, #cfe8e7);
}

.card__img--hover {
    transition: 0.3s all ease-out;
    width: 100%;
    position: absolute;
    height: 200px;
    top: 0;
    left: 0;
    z-index: 1;
    overflow: hidden;
    opacity: 0;
}

.product-card:hover .card__img--hover {
    opacity: 1;
}

.product-card-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    display: block;
    transform: scale(1.25);
}

.product-card-image--hover {
    transform: scale(1.35);
}

.card__info {
    z-index: 2;
    background-color: var(--white);
    padding: 24px;
    position: relative;
}

.card__category {
    text-transform: uppercase;
    font-size: 11px;
    letter-spacing: 2px;
    font-weight: 700;
    color: var(--secondary-color);
}

.card__title {
    font-size: 1.6rem;
    margin-top: 6px;
    margin-bottom: 10px;
    color: var(--primary-color);
    font-weight: 700;
}

.spec-table {
    width: 100%;
    margin-top: 15px;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.spec-table td {
    padding: 8px 10px;
    border-bottom: 1px solid #e2e8f0;
}

.spec-table tr td:first-child {
    font-weight: 600;
    color: var(--primary-color);
    width: 40%;
}

/* USES OF ETHANOL SECTION */
.ethanol-uses { background-color: var(--white); }
.uses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.use-card {
    background-color: var(--light-bg);
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.03);
    transition: all 0.3s ease;
    border-bottom: 4px solid var(--primary-color);
}

.use-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 30px rgba(11, 102, 106, 0.12);
    background-color: var(--white);
}

.use-icon {
    font-size: 2.2rem;
    color: var(--secondary-color);
    margin-bottom: 15px;
}

.use-card h3 {
    font-size: 1.3rem;
    color: var(--primary-color);
    margin-bottom: 10px;
}

/* WHY CHOOSE US SECTION */
#by-products,
#why-choose-us {
    position: relative;
    overflow: hidden;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}
#by-products::before,
#why-choose-us::before {
    content: '';
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    filter: blur(1px);
    opacity: 0.92;
    transform: scale(1.03);
    z-index: 0;
}
#by-products::after,
#why-choose-us::after {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(255, 255, 255, 0.55);
    z-index: 1;
}
#by-products .container,
#why-choose-us .container {
    position: relative;
    z-index: 2;
}
#by-products {
    background-image: url('Petrol_oil.jpg');
}
#why-choose-us {
    background-image: url('E20.jpg');
}
#why-choose-us .section-title p {
    color: #1f2937;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.28);
    font-weight: 600;
}
.why-choose-us { background-color: transparent; }
.why-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 25px;
}

.why-card {
    background: var(--white);
    padding: 30px;
    border-radius: 12px;
    position: relative;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.03);
    transition: all 0.3s ease;
}

.why-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 25px rgba(0, 0, 0, 0.08);
}

.why-num {
    font-size: 2.5rem;
    font-weight: 800;
    color: rgba(53, 162, 159, 0.2);
    position: absolute;
    top: 15px;
    right: 20px;
}

.why-card h4 {
    font-size: 1.25rem;
    color: var(--primary-color);
    margin-bottom: 12px;
}

/* VISIONARY LEADERS SECTION */
.team { background-color: var(--white); }
.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.member-card {
    background-color: var(--light-bg);
    padding: 30px;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.04);
    transition: all 0.3s ease;
}

.member-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.08);
    background-color: var(--white);
}

.member-img-wrapper {
    width: 130px;
    height: 130px;
    margin: 0 auto 20px;
    border-radius: 50%;
    overflow: hidden;
    border: none;
    box-shadow: 0 6px 15px rgba(0,0,0,0.15);
    background-color: #f0f0f0;
}

.member-photo {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    display: block;
}

.member-card h4 {
    font-size: 1.35rem;
    color: var(--primary-color);
    margin-bottom: 5px;
}

.member-card .role {
    display: block;
    color: var(--secondary-color);
    font-weight: 600;
    font-size: 0.95rem;
    margin-bottom: 15px;
}

/* ABOUT SECTION & HORIZONTAL TRUSTED PARTNERS */
.about { background-color: var(--light-bg); }
.about-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
}

.pillars {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
    margin-top: 25px;
}

.pillar {
    background: var(--white);
    padding: 18px;
    border-left: 4px solid var(--secondary-color);
    box-shadow: 0 4px 6px rgba(0,0,0,0.02);
    font-weight: 600;
    transition: all 0.3s ease;
}

.pillar:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 20px rgba(11, 102, 106, 0.12);
    border-left-color: var(--primary-color);
}

.pillar i { color: var(--secondary-color); margin-right: 8px; }

.about-partners {
    background-color: var(--white);
    padding: 35px;
    border-radius: 12px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.04);
}

.about-partners h3 { color: var(--primary-color); margin-bottom: 12px; font-size: 1.5rem; }

/* PORTRAIT PARTNERS LAYOUT WITH LOGO TOP */
.partner-logos-portrait {
    margin-top: 25px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 24px;
}

.partner-card-h {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    text-decoration: none;
    color: inherit;
    gap: 18px;
    background-color: rgba(255, 255, 255, 0.92);
    padding: 28px 22px;
    border-radius: 18px;
    border: 1px solid rgba(53, 162, 159, 0.18);
    transition: transform 0.32s ease, box-shadow 0.32s ease, border-color 0.32s ease, background-color 0.32s ease;
    position: relative;
    overflow: hidden;
}

.partner-card-h::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at top center, rgba(53, 162, 159, 0.14), transparent 45%);
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.32s ease;
}

.partner-card-h:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(11, 102, 106, 0.17);
    border-color: var(--secondary-color);
    background-color: #ffffff;
}

.partner-card-h:hover::before {
    opacity: 1;
}

.partner-logo-frame {
    width: 120px;
    height: 120px;
    border-radius: 24px;
    display: grid;
    place-items: center;
    background: linear-gradient(180deg, rgba(53, 162, 159, 0.12), rgba(11, 102, 106, 0.07));
    border: 1px solid rgba(53, 162, 159, 0.18);
    box-shadow: inset 0 4px 10px rgba(255,255,255,0.6);
}

.partner-logo-img {
    width: 72px;
    height: 72px;
    object-fit: contain;
    display: block;
}

.partner-details h4 {
    font: inherit;
    font-size: 1.15rem;
    text-decoration: none;
    color: var(--secondary-color);
    margin-bottom: 2px;
}

.partner-details p {
    font: inherit;
    font-size: 0.85rem;
    text-decoration: none;
    color: #64748b;
    margin: 0;
    line-height: 1.6;
}

/* CONTACT SECTION & FORM */
.contact { background-color: var(--white); }
.contact-wrapper {
    display: grid;
    grid-template-columns: 0.8fr 1.2fr;
    gap: 40px;
}

.contact-info .info-item {
    display: flex;
    gap: 15px;
    margin-bottom: 25px;
}

.contact-info i {
    font-size: 1.5rem;
    color: var(--secondary-color);
    margin-top: 5px;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.contact-form input, .contact-form textarea {
    width: 100%;
    padding: 14px;
    border: 1px solid #cbd5e1;
    border-radius: 6px;
    font-size: 0.95rem;
}

.cta-submit {
    background-color: var(--primary-color);
    color: var(--white);
    border: none;
    padding: 14px 24px;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
}

.cta-submit:hover {
    background-color: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(53, 162, 159, 0.25);
}

.cta-submit:hover .icon-bar::before {
    background: rgba(255,255,255,0.9);
}

/* Footer */
footer {
    background-color: var(--dark-text);
    color: #94a3b8;
    padding: 25px 0;
    font-size: 0.9rem;
}

/* Responsive Breakpoints */
@media (max-width: 992px) {
    .products-grid, .fuel-ethanol-banner, .contact-wrapper {
        grid-template-columns: 1fr;
    }
    nav ul { gap: 10px; }
    nav ul li a { font-size: 0.85rem; padding: 6px 8px; }
}

@media (max-width: 768px) {
    .top-bar .container {
        justify-content: center;
        gap: 4px 16px;
        text-align: center;
    }

    .navbar {
        flex-direction: column;
        gap: 12px;
        padding: 12px 0;
    }

    .logo {
        gap: 10px;
    }

    .logo img {
        height: 52px;
    }

    .company-name-main {
        font-size: 1.2rem;
    }

    .company-name-sub {
        font-size: 0.8rem;
        margin-top: 4px;
    }

    nav {
        width: 100%;
        justify-content: center;
    }

    nav ul {
        width: 100%;
        justify-content: flex-start;
        gap: 4px;
        flex-wrap: wrap;
        white-space: normal;
        overflow-x: visible;
    }

    nav ul li a {
        font-size: 0.78rem;
        padding: 6px 7px;
    }

    .btn-nav {
        padding: 6px 11px !important;
    }

    .hero {
        min-height: 620px;
        height: 78vh;
    }

    .hero-content h1 {
        font-size: clamp(1.8rem, 8vw, 2.4rem);
    }

    .hero-content p {
        font-size: 1rem;
        max-width: 100%;
    }

    .slide-bullets-container {
        bottom: 24px;
    }

    section {
        padding: 60px 0;
    }

    .section-title h2 { font-size: 1.6rem; }
    .section-title p { font-size: 1rem; }
    .steps-timeline { grid-template-columns: repeat(2, 1fr); }
    .team-grid { grid-template-columns: 1fr; }
    .steps-timeline { grid-template-columns: 1fr; }

    .fuel-ethanol-banner,
    .contact-wrapper,
    .about-grid {
        grid-template-columns: 1fr;
    }

    .partner-logos-portrait {
        grid-template-columns: 1fr;
    }

    .partner-card-h {
        width: 100%;
    }

    .contact-form,
    .contact-info {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .container {
        width: 92%;
    }

    .top-bar {
        font-size: 0.75rem;
    }

    .company-name-main {
        font-size: 1rem;
    }

    .company-name-sub {
        font-size: 0.7rem;
    }

    nav ul {
        justify-content: center;
    }

    .hero {
        min-height: 560px;
    }

    .hero-content h1 {
        font-size: 1.7rem;
    }

    .hero-content p {
        font-size: 0.92rem;
    }

    .btn-primary {
        padding: 11px 24px;
    }

    .slide-bullet[title]::after {
        display: none;
    }
}

/* Server status banner shown when backend is unreachable or site opened via file:// */
.server-status {
    background: linear-gradient(90deg, rgba(13,59,52,0.06), rgba(53,162,159,0.06));
    color: #0d3b34;
    border: 1px solid rgba(13,59,52,0.08);
    padding: 12px 18px;
    text-align: center;
    font-weight: 600;
    font-size: 0.98rem;
}
.server-status.hidden { display: none; }
.server-status.show { display: block; }

.server-status a { color: #0d3b34; text-decoration: underline; }

.partner-card-h,
.partner-card-h h4,
.partner-card-h p {
    text-decoration: none !important;
    font-family: inherit;
}