/* ============================================
   Osage Feed and Supply — Custom Styles
   Palette: Plum (#7B3F6B) + Amber (#C8962E)
   Fonts: Instrument Serif + Inter
   ============================================ */

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

:root {
    --plum-50:  #f9f3f7;
    --plum-100: #f3e6ee;
    --plum-200: #e8ccd9;
    --plum-300: #d4a5b8;
    --plum-400: #c07d97;
    --plum-500: #a85a78;
    --plum-600: #8f3f5e;
    --plum-700: #7b3f6b;
    --plum-800: #4a233a;
    --plum-900: #2d1523;
    --plum-950: #1a0c14;

    --amber-50:  #fdf8ee;
    --amber-100: #f9ecce;
    --amber-200: #f2d9a0;
    --amber-300: #e8c06a;
    --amber-400: #d4a03a;
    --amber-500: #c8962e;
    --amber-600: #b07d1e;
    --amber-700: #8a6018;
    --amber-800: #5c400e;
    --amber-900: #3d2a08;

    --white:    #ffffff;
    --gray-50:  #fafafa;
    --gray-100: #f5f5f5;
    --gray-200: #e8e8e8;
    --gray-300: #d4d4d4;
    --gray-400: #a3a3a3;
    --gray-500: #737373;
    --gray-600: #525252;
    --gray-700: #404040;
    --gray-800: #262626;
    --gray-900: #171717;

    --font-serif: 'Instrument Serif', Georgia, serif;
    --font-sans:  'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

    --max-w: 1200px;
    --header-h: 72px;
    --radius: 8px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-sans);
    font-weight: 300;
    font-size: 16px;
    line-height: 1.7;
    color: var(--gray-800);
    background: var(--white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

a {
    color: inherit;
    text-decoration: none;
}

ul, ol {
    list-style: none;
}

address {
    font-style: normal;
}

.container {
    width: 100%;
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 0 24px;
}

/* ---------- Typography ---------- */
h1, h2, h3, h4 {
    font-family: var(--font-serif);
    font-weight: 400;
    line-height: 1.2;
    color: var(--gray-900);
}

.section-label {
    font-family: var(--font-sans);
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--plum-700);
    margin-bottom: 12px;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: 16px;
}

.section-desc {
    font-size: 1.1rem;
    color: var(--gray-600);
    max-width: 560px;
    line-height: 1.8;
}

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-sans);
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 0.02em;
    padding: 14px 28px;
    border-radius: var(--radius);
    border: 1.5px solid transparent;
    cursor: pointer;
    transition: all var(--transition);
    white-space: nowrap;
}

.btn-primary {
    background: var(--plum-700);
    color: var(--white);
    border-color: var(--plum-700);
}

.btn-primary:hover {
    background: var(--plum-800);
    border-color: var(--plum-800);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(123, 63, 107, 0.3);
}

.btn-ghost {
    background: transparent;
    color: var(--white);
    border-color: rgba(255, 255, 255, 0.5);
}

.btn-ghost:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--white);
}

.btn-full {
    width: 100%;
    justify-content: center;
}

/* ---------- Header ---------- */
#site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--gray-200);
    height: var(--header-h);
    transition: box-shadow var(--transition);
}

#site-header.scrolled {
    box-shadow: 0 1px 8px rgba(0, 0, 0, 0.06);
}

.header-inner {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 0 24px;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-serif);
    font-size: 1.15rem;
    color: var(--gray-900);
    transition: color var(--transition);
}

.logo:hover {
    color: var(--plum-700);
}

.logo-mark {
    color: var(--plum-700);
    flex-shrink: 0;
}

/* ---------- Navigation ---------- */
#main-nav {
    display: flex;
    align-items: center;
}

#nav-menu {
    display: flex;
    align-items: center;
    gap: 4px;
}

#nav-menu li a {
    font-size: 14px;
    font-weight: 400;
    color: var(--gray-600);
    padding: 8px 16px;
    border-radius: var(--radius);
    transition: all var(--transition);
}

#nav-menu li a:hover {
    color: var(--plum-700);
    background: var(--plum-50);
}

.nav-cta {
    background: var(--plum-700) !important;
    color: var(--white) !important;
    margin-left: 8px;
}

.nav-cta:hover {
    background: var(--plum-800) !important;
    color: var(--white) !important;
}

/* Mobile nav toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 101;
}

.nav-toggle span {
    display: block;
    width: 22px;
    height: 1.5px;
    background: var(--gray-700);
    transition: all var(--transition);
    transform-origin: center;
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
    transform: rotate(45deg) translate(4px, 5px);
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
}

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
    transform: rotate(-45deg) translate(4px, -5px);
}

/* ---------- Hero ---------- */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: var(--plum-950);
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.4;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(26, 12, 20, 0.88) 0%,
        rgba(74, 35, 58, 0.82) 50%,
        rgba(45, 21, 37, 0.88) 100%
    );
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 780px;
    padding: 120px 24px 80px;
}

.hero-eyebrow {
    font-family: var(--font-sans);
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--amber-400);
    margin-bottom: 24px;
}

.hero-headline {
    font-size: clamp(2.2rem, 5vw, 3.8rem);
    color: var(--white);
    line-height: 1.15;
    margin-bottom: 24px;
    font-weight: 400;
}

.hero-sub {
    font-size: clamp(1rem, 1.5vw, 1.2rem);
    color: rgba(255, 255, 255, 0.75);
    line-height: 1.8;
    margin-bottom: 40px;
    max-width: 560px;
    margin-left: auto;
    margin-right: auto;
}

.hero-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

.scroll-indicator {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1;
    color: rgba(255, 255, 255, 0.5);
    animation: scrollBounce 2s ease-in-out infinite;
}

@keyframes scrollBounce {
    0%, 100% { transform: translateX(-50%) translateY(0); opacity: 0.5; }
    50% { transform: translateX(-50%) translateY(6px); opacity: 1; }
}

/* ---------- Products ---------- */
.products {
    padding: 120px 0;
    background: var(--white);
}

.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-header .section-desc {
    margin: 0 auto;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.product-card {
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--gray-200);
    transition: all var(--transition);
    background: var(--white);
}

.product-card:hover {
    border-color: var(--plum-200);
    box-shadow: 0 8px 32px rgba(123, 63, 107, 0.1);
    transform: translateY(-4px);
}

.product-img {
    overflow: hidden;
    aspect-ratio: 4/3;
}

.product-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.product-info {
    padding: 24px;
}

.product-info h3 {
    font-size: 1.25rem;
    margin-bottom: 8px;
    color: var(--gray-900);
}

.product-info p {
    font-size: 0.95rem;
    color: var(--gray-500);
    line-height: 1.7;
}

/* ---------- About ---------- */
.about {
    padding: 120px 0;
    background: var(--plum-50);
}

.about-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.about-image {
    border-radius: var(--radius);
    overflow: hidden;
    aspect-ratio: 6/7;
}

.about-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.about-content .section-label {
    margin-bottom: 16px;
}

.about-content .section-title {
    margin-bottom: 24px;
}

.about-content p {
    color: var(--gray-600);
    margin-bottom: 16px;
    line-height: 1.8;
}

.about-stats {
    display: flex;
    gap: 40px;
    margin-top: 40px;
    padding-top: 32px;
    border-top: 1px solid var(--plum-200);
}

.stat {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.stat-number {
    font-family: var(--font-serif);
    font-size: 2rem;
    color: var(--plum-700);
    line-height: 1;
}

.stat-label {
    font-size: 13px;
    color: var(--gray-500);
    letter-spacing: 0.02em;
}

/* ---------- Services ---------- */
.services {
    padding: 120px 0;
    background: var(--white);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.service-card {
    padding: 40px;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    transition: all var(--transition);
}

.service-card:hover {
    border-color: var(--plum-200);
    background: var(--plum-50);
}

.service-icon {
    color: var(--plum-700);
    margin-bottom: 20px;
}

.service-card h3 {
    font-size: 1.25rem;
    margin-bottom: 12px;
    color: var(--gray-900);
}

.service-card p {
    font-size: 0.95rem;
    color: var(--gray-500);
    line-height: 1.8;
}

/* ---------- Location ---------- */
.location {
    padding: 120px 0;
    background: var(--gray-50);
}

.location-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: start;
}

.location-info {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.location-detail {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.detail-label {
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--gray-400);
}

.location-detail address,
.location-detail p {
    font-size: 1rem;
    color: var(--gray-700);
    line-height: 1.7;
}

.location-detail a {
    color: var(--plum-700);
    border-bottom: 1px solid var(--plum-200);
    transition: all var(--transition);
}

.location-detail a:hover {
    color: var(--plum-600);
    border-color: var(--plum-600);
}

.location-map {
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--gray-200);
    aspect-ratio: 4/3;
}

.location-map iframe {
    width: 100%;
    height: 100%;
}

/* ---------- Contact ---------- */
.contact {
    padding: 120px 0;
    background: var(--plum-900);
}

.contact .section-label {
    color: var(--amber-400);
}

.contact .section-title {
    color: var(--white);
}

.contact-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: start;
}

.contact-desc {
    color: rgba(255, 255, 255, 0.65);
    margin-bottom: 32px;
    line-height: 1.8;
}

.contact-direct {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.contact-link {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    color: var(--white);
    font-size: 1rem;
    padding: 12px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.15);
    transition: all var(--transition);
}

.contact-link:hover {
    color: var(--amber-400);
    border-color: var(--amber-400);
    padding-left: 8px;
}

.contact-link svg {
    color: var(--amber-400);
    flex-shrink: 0;
}

/* ---------- Contact Form ---------- */
.contact-form-wrap {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius);
    padding: 40px;
}

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

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 8px;
    letter-spacing: 0.02em;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 14px 16px;
    background: rgba(255, 255, 255, 0.07);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--radius);
    color: var(--white);
    font-family: var(--font-sans);
    font-size: 15px;
    font-weight: 300;
    transition: all var(--transition);
    outline: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: rgba(255, 255, 255, 0.35);
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--amber-400);
    background: rgba(255, 255, 255, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-success {
    margin-top: 16px;
    padding: 16px;
    background: rgba(200, 150, 46, 0.15);
    border: 1px solid rgba(200, 150, 46, 0.3);
    border-radius: var(--radius);
    color: var(--amber-300);
    font-size: 14px;
    text-align: center;
}

/* ---------- Footer ---------- */
#site-footer {
    background: var(--plum-950);
    color: rgba(255, 255, 255, 0.6);
    padding: 80px 0 0;
}

.footer-top {
    display: grid;
    grid-template-columns: 1.5fr 2fr;
    gap: 64px;
    padding-bottom: 64px;
}

.footer-brand .logo {
    color: var(--white);
    margin-bottom: 16px;
}

.footer-tagline {
    font-size: 0.95rem;
    line-height: 1.7;
    max-width: 280px;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.footer-col h4 {
    font-family: var(--font-sans);
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.4);
    margin-bottom: 20px;
}

.footer-col ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-col a {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
    transition: color var(--transition);
}

.footer-col a:hover {
    color: var(--amber-400);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding: 24px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.35);
}

/* ---------- Scroll Reveal (progressive enhancement) ---------- */
.reveal {
    opacity: 1;
    transform: none;
    transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1), transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.revealed {
    opacity: 1;
    transform: none;
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
    .product-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .about-layout {
        gap: 48px;
    }
}

@media (max-width: 768px) {
    :root {
        --header-h: 64px;
    }

    .nav-toggle {
        display: flex;
    }

    #nav-menu {
        position: fixed;
        top: var(--header-h);
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(12px);
        -webkit-backdrop-filter: blur(12px);
        flex-direction: column;
        align-items: stretch;
        justify-content: start;
        padding: 24px;
        gap: 8px;
        transform: translateX(100%);
        transition: transform var(--transition);
    }

    #nav-menu.open {
        transform: translateX(0);
    }

    #nav-menu li a {
        font-size: 18px;
        padding: 14px 16px;
    }

    .nav-cta {
        margin-left: 0 !important;
        margin-top: 8px;
        text-align: center;
        justify-content: center;
    }

    .hero-content {
        padding: 100px 24px 80px;
    }

    .hero-actions {
        flex-direction: column;
        width: 100%;
    }

    .hero-actions .btn {
        width: 100%;
        justify-content: center;
    }

    .products,
    .about,
    .services,
    .location,
    .contact {
        padding: 80px 0;
    }

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

    .about-layout,
    .location-layout,
    .contact-layout {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .about-image {
        aspect-ratio: 4/3;
    }

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

    .about-stats {
        gap: 24px;
    }

    .footer-top {
        grid-template-columns: 1fr;
        gap: 40px;
    }

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

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }

    .contact-form-wrap {
        padding: 24px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

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

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

    .footer-links {
        grid-template-columns: 1fr;
    }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }

    html {
        scroll-behavior: auto;
    }

    .reveal {
        opacity: 1;
        transform: none;
    }

    .scroll-indicator {
        animation: none;
        opacity: 0.4;
    }
}