/* --- Design System & CSS Variables --- */
:root {
    /* Colors */
    --clr-primary: #d4af37;
    /* Gold */
    --clr-primary-dark: #b5952f;
    --clr-secondary: #2e4c3b;
    /* Deep Forest Green */
    --clr-secondary-dark: #1b2e23;
    --clr-background: #fdfcf8;
    /* Warm White */
    --clr-surface: #ffffff;
    --clr-text-main: #2d2d2d;
    --clr-text-light: #6a6a6a;

    /* Typography */
    --font-sans: 'Outfit', sans-serif;
    --font-serif: 'Playfair Display', serif;

    /* Layout */
    --max-width: 1200px;
    --padding-x: 2rem;
    --transition-fast: 0.2s ease;
    --transition-normal: 0.4s cubic-bezier(0.16, 1, 0.3, 1);

    /* Shadows */
    --shadow-sm: 0 4px 6px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 20px 40px rgba(46, 76, 59, 0.15);
}

/* --- Base Reset --- */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    color: var(--clr-text-main);
    background-color: var(--clr-background);
    line-height: 1.6;
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}

/* --- Typography --- */
h1,
h2,
h3,
h4 {
    font-family: var(--font-serif);
    line-height: 1.2;
    color: var(--clr-secondary);
}

.highlight {
    color: var(--clr-primary);
    font-style: italic;
}

/* --- Layout Utilities --- */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--padding-x);
}

.section-padding {
    padding: 6rem 0;
}

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

/* --- Buttons --- */
.btn-primary,
.btn-secondary,
.btn-primary-outline {
    display: inline-block;
    padding: 1rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition-normal);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn-primary {
    background-color: var(--clr-primary);
    color: #fff;
    border: 2px solid var(--clr-primary);
    box-shadow: 0 4px 15px rgba(212, 175, 55, 0.3);
}

.btn-primary:hover {
    background-color: var(--clr-primary-dark);
    border-color: var(--clr-primary-dark);
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(212, 175, 55, 0.4);
}

.btn-secondary {
    background-color: transparent;
    color: #fff;
    border: 2px solid #fff;
}

.btn-secondary:hover {
    background-color: #fff;
    color: var(--clr-secondary);
    transform: translateY(-3px);
}

.btn-primary-outline {
    background-color: transparent;
    color: var(--clr-primary);
    border: 2px solid var(--clr-primary);
}

.btn-primary-outline:hover {
    background-color: var(--clr-primary);
    color: #fff;
}

.btn-text {
    font-weight: 600;
    color: var(--clr-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-text:hover {
    gap: 1rem;
    color: var(--clr-primary-dark);
}

/* --- Navigation --- */
#navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    transition: var(--transition-normal);
    padding: 1.5rem 0;
}

#navbar.scrolled {
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 1rem 0;
    box-shadow: var(--shadow-sm);
}

#navbar.scrolled .logo-text {
    color: var(--clr-secondary);
}

#navbar.scrolled .nav-links a:not(.btn-primary-outline) {
    color: var(--clr-text-main);
}

#navbar.scrolled .fa-wheat-awn {
    color: var(--clr-primary);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 800;
}

.fa-wheat-awn {
    color: var(--clr-primary);
    font-size: 1.8rem;
}

.logo-text {
    font-family: var(--font-serif);
    color: #fff;
    transition: var(--transition-fast);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2.5rem;
}

.nav-links a:not(.btn-primary-outline) {
    color: #fff;
    font-weight: 500;
    position: relative;
}

.nav-links a:not(.btn-primary-outline)::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0%;
    height: 2px;
    background-color: var(--clr-primary);
    transition: var(--transition-normal);
}

.nav-links a:not(.btn-primary-outline):hover::after {
    width: 100%;
}

.mobile-menu-btn {
    display: none;
    color: #fff;
    font-size: 1.5rem;
    cursor: pointer;
}

#navbar.scrolled .mobile-menu-btn {
    color: var(--clr-secondary);
}

/* --- Hero Section --- */
.hero {
    height: 100vh;
    min-height: 800px;
    position: relative;
    display: flex;
    align-items: center;
    background-color: var(--clr-secondary);
    background-image: url('assets/feed_mill_hero.png');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to right, rgba(27, 46, 35, 0.8) 0%, rgba(27, 46, 35, 0.4) 100%);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    margin-top: 5rem;
}

.hero-title {
    font-size: clamp(3rem, 6vw, 5.5rem);
    color: #fff;
    margin-bottom: 1.5rem;
    line-height: 1.1;
    opacity: 0;
    transform: translateY(30px);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 2.5rem;
    max-width: 600px;
    opacity: 0;
    transform: translateY(30px);
}

.hero-actions {
    display: flex;
    gap: 1.5rem;
    opacity: 0;
    transform: translateY(30px);
}

.scroll-down {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    color: #fff;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    opacity: 0.8;
}

/* --- About Section --- */
.about-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-image {
    position: relative;
}

.img-placeholder {
    width: 100%;
    height: 500px;
    border-radius: 20px;
    background-color: var(--clr-secondary);
    /* Fallback */
    background-size: cover;
    background-position: center;
    box-shadow: var(--shadow-lg);
}

.experience-badge {
    position: absolute;
    bottom: -2rem;
    right: -2rem;
    background-color: var(--clr-primary);
    color: #fff;
    width: 150px;
    height: 150px;
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    box-shadow: var(--shadow-md);
    border: 8px solid var(--clr-background);
}

.experience-badge .years {
    font-size: 2.5rem;
    font-weight: 800;
    font-family: var(--font-serif);
    line-height: 1;
}

.experience-badge .text {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 0.25rem;
}

.section-title {
    font-size: clamp(2.5rem, 4vw, 3.5rem);
    margin-bottom: 1.5rem;
}

.about-text p {
    color: var(--clr-text-light);
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

.features-list {
    margin-top: 2rem;
}

.features-list li {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--clr-secondary);
}

.features-list i {
    color: var(--clr-primary);
    font-size: 1.25rem;
}

/* --- Products Section --- */
.products {
    background-color: #f7f5ef;
}

.section-description {
    color: var(--clr-text-light);
    max-width: 600px;
    margin: 0 auto 3rem;
    font-size: 1.1rem;
}

.product-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2.5rem;
}

.card {
    background-color: var(--clr-surface);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
    position: relative;
    top: 0;
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.card-img {
    height: 300px;
    background-color: var(--clr-secondary);
    background-size: cover;
    background-position: center;
    transition: transform 0.6s ease;
}

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

.card-content {
    padding: 2.5rem;
    background: #fff;
    position: relative;
}

.card-content h3 {
    font-size: 1.75rem;
    margin-bottom: 1rem;
}

.card-content p {
    color: var(--clr-text-light);
    margin-bottom: 1.5rem;
}

/* --- Statistics Strip --- */
.statistics {
    background-color: var(--clr-secondary);
    padding: 4rem 0;
    color: #fff;
}

.stats-container {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    gap: 2rem;
    text-align: center;
}

.stat-item .counter {
    font-size: 3.5rem;
    color: var(--clr-primary);
    margin-bottom: 0.5rem;
}

.stat-item p {
    font-size: 1.1rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    opacity: 0.9;
}

/* --- Footer --- */
.footer {
    background-color: var(--clr-secondary-dark);
    color: #fff;
    padding: 5rem 0 0;
}

.footer-container {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 4rem;
    margin-bottom: 4rem;
}

.footer-brand p {
    margin: 1.5rem 0;
    color: rgba(255, 255, 255, 0.7);
    max-width: 350px;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--clr-primary);
}

.social-links a:hover {
    background-color: var(--clr-primary);
    color: #fff;
    transform: translateY(-3px);
}

.footer h4 {
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
    color: #fff;
    position: relative;
    padding-bottom: 0.5rem;
}

.footer h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background-color: var(--clr-primary);
}

.footer-links ul li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
}

.footer-links a:hover {
    color: var(--clr-primary);
    padding-left: 5px;
}

.footer-contact p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.footer-contact i {
    color: var(--clr-primary);
}

.footer-bottom {
    background-color: rgba(0, 0, 0, 0.2);
    padding: 1.5rem 0;
    text-align: center;
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.9rem;
}

/* --- Responsive --- */
@media (max-width: 900px) {
    .about-container {
        grid-template-columns: 1fr;
    }

    .experience-badge {
        right: 0;
        bottom: -3rem;
    }

    .footer-container {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 70%;
        height: 100vh;
        background-color: var(--clr-surface);
        flex-direction: column;
        justify-content: center;
        transition: var(--transition-normal);
        box-shadow: var(--shadow-lg);
    }

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

    .nav-links a:not(.btn-primary-outline) {
        color: var(--clr-text-main);
        font-size: 1.25rem;
    }

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

    #navbar.scrolled .mobile-menu-btn {
        color: var(--clr-text-main);
    }
}