/* ==========================================================================
   Design System - Variables
   ========================================================================== */
@font-face { font-family: 'Font Awesome 6 Free'; font-style: normal; font-weight: 400; font-display: swap; src: url("https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.4.0/webfonts/fa-regular-400.woff2") format("woff2"); }
@font-face { font-family: 'Font Awesome 6 Free'; font-style: normal; font-weight: 900; font-display: swap; src: url("https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.4.0/webfonts/fa-solid-900.woff2") format("woff2"); }
@font-face { font-family: 'Font Awesome 6 Brands'; font-style: normal; font-weight: 400; font-display: swap; src: url("https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.4.0/webfonts/fa-brands-400.woff2") format("woff2"); }

:root {
    /* Colors - Earthy greens, warm browns, harvest golds, whites */
    --clr-primary: #154212;
    --clr-on-primary: #ffffff;
    --clr-primary-container: #2d5a27;
    --clr-on-primary-container: #9dd090;
    
    --clr-secondary: #3d6a00;
    --clr-on-secondary: #ffffff;
    --clr-secondary-container: #aff763;
    
    --clr-tertiary: #fdbc13; /* Harvest Gold */
    --clr-on-tertiary: #261900;
    
    --clr-surface: #f9f9f8;
    --clr-surface-container-lowest: #ffffff;
    --clr-surface-container-low: #f3f4f3;
    --clr-surface-container: #edeeed;
    --clr-surface-container-highest: #e1e3e2;
    --clr-surface-variant: #e1e3e2;
    
    --clr-on-surface: #191c1c;
    --clr-on-surface-variant: #42493e;
    
    --clr-outline: #72796e;
    --clr-outline-variant: #c2c9bb;
    --clr-ghost-border: rgba(194, 201, 187, 0.2);
    
    --clr-error: #ba1a1a;

    /* Typography */
    --font-display: 'Manrope', 'Manrope Fallback', sans-serif;
    --font-heading: 'Manrope', 'Manrope Fallback', sans-serif;
    --font-body: 'Work Sans', 'Work Sans Fallback', sans-serif;
    
    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-24: 6rem;
    --space-32: 8rem;

    /* Border Radius */
    --radius-sm: 0.125rem;
    --radius-md: 0.25rem;
    --radius-lg: 0.5rem;
    --radius-xl: 0.75rem;
    --radius-2xl: 1rem;
    --radius-full: 9999px;

    /* Content Width */
    --max-width: 1440px;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 300ms ease;
    --transition-slow: 500ms ease;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(25, 28, 28, 0.05);
    --shadow-md: 0 4px 6px rgba(25, 28, 28, 0.05);
    --shadow-lg: 0 10px 15px rgba(25, 28, 28, 0.05);
    --shadow-ambient: 0 20px 40px rgba(25, 28, 28, 0.06);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    color: var(--clr-on-surface);
    background-color: var(--clr-surface);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--clr-primary);
    line-height: 1.2;
    margin-bottom: var(--space-4);
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); font-weight: 800; }
h2 { font-size: clamp(2rem, 4vw, 3rem); font-weight: 700; }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); font-weight: 600; }
h4 { font-size: 1.25rem; font-weight: 600; }

p {
    margin-bottom: var(--space-4);
}

a {
    color: var(--clr-primary);
    text-decoration: none;
    transition: color var(--transition-base);
}

a:hover {
    color: var(--clr-secondary);
}

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

::selection {
    background-color: var(--clr-secondary-container);
    color: var(--clr-primary);
}

/* Base Accessibility Focus */
:focus-visible {
    outline: 2px solid var(--clr-tertiary);
    outline-offset: 2px;
}

/* ==========================================================================
   Layout Blocks
   ========================================================================== */
.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-6);
}

.section {
    padding: var(--space-24) 0;
}

.section-light { background-color: var(--clr-surface); }
.section-muted { background-color: var(--clr-surface-container-low); }

/* ==========================================================================
   Components
   ========================================================================== */
/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-4) var(--space-8);
    font-family: var(--font-body);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: var(--radius-xl);
    border: none;
    cursor: pointer;
    transition: background-color var(--transition-base), color var(--transition-base), transform var(--transition-base), box-shadow var(--transition-base);
    text-decoration: none;
    font-size: 0.875rem;
    gap: var(--space-2);
}

.btn i { font-size: 1.25rem; }

.btn-primary {
    background-color: var(--clr-primary);
    color: var(--clr-on-primary);
}

.btn-primary:hover, .btn-primary:focus {
    background-color: var(--clr-secondary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    color: var(--clr-on-primary);
}

.btn-secondary {
    background-color: var(--clr-surface-container-highest);
    color: var(--clr-on-surface);
}

.btn-secondary:hover, .btn-secondary:focus {
    background-color: var(--clr-outline-variant);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-accent {
    background-color: var(--clr-tertiary);
    color: var(--clr-on-tertiary);
    box-shadow: 0 4px 15px rgba(253, 188, 19, 0.4);
    font-weight: 700;
}

.btn-accent:hover, .btn-accent:focus {
    background-color: #ffca28;
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 6px 20px rgba(253, 188, 19, 0.6);
}

/* Floating Action Button */
.fab-contact {
    position: fixed;
    bottom: var(--space-8);
    left: var(--space-8);
    width: 3.5rem;
    height: 3.5rem;
    border-radius: var(--radius-full);
    background-color: #25D366;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    box-shadow: 0 4px 10px rgba(37, 211, 102, 0.4);
    z-index: 100;
    transition: transform var(--transition-base);
    will-change: transform;
}

/* GPU-composited pulse using a pseudo-element — no repaint */
.fab-contact::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--radius-full);
    background-color: #25D366;
    opacity: 0.7;
    z-index: -1;
    animation: pulse-fab 2.5s ease-out infinite;
    will-change: transform, opacity;
}

.fab-contact:hover {
    transform: scale(1.1);
    color: white;
}

@keyframes pulse-fab {
    0%   { transform: scale(1);   opacity: 0.7; }
    70%  { transform: scale(1.8); opacity: 0; }
    100% { transform: scale(1.8); opacity: 0; }
}

.btn-sm {
    padding: var(--space-2) var(--space-6);
    font-size: 0.75rem;
}

/* Header & Navigation */
.utility-bar {
    background-color: var(--clr-primary-container);
    color: var(--clr-on-primary-container);
    font-size: 0.75rem;
    padding: var(--space-2) 0;
    font-weight: 500;
}

.utility-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-4);
}

.utility-links {
    display: flex;
    gap: var(--space-6);
    flex-wrap: wrap;
}

.utility-item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background-color: rgb(243, 244, 243); /* solid var(--clr-surface-container-low) */
    border-bottom: 1px solid rgba(21, 66, 18, 0.05); /* subtil divider */
    transition: background-color var(--transition-base), box-shadow var(--transition-base);
}

.header.scrolled {
    background-color: rgba(225, 227, 226, 0.95);
    box-shadow: var(--shadow-ambient);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 7rem;
}

.logo img {
    height: 10rem;
    width: auto;
    transform: translateY(8px);
    filter: drop-shadow(0 2px 10px rgba(0,0,0,0.1));
}

.nav-links {
    display: flex;
    gap: var(--space-8);
    list-style: none;
}

.nav-item a {
    color: var(--clr-on-surface-variant);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.875rem;
    letter-spacing: 0.05em;
    padding: var(--space-2) 0;
    position: relative;
}

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

.nav-item a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--clr-secondary);
    transition: width var(--transition-base);
}

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.hamburger {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--clr-primary);
    padding: var(--space-2);
    font-size: 1.5rem;
}

/* Mobile Menu — GPU-composited transform instead of `right` */
.mobile-menu {
    position: fixed;
    top: 0;
    right: 0;
    width: 80%;
    max-width: 400px;
    height: 100vh;
    background-color: var(--clr-surface-container-lowest);
    box-shadow: var(--shadow-lg);
    z-index: 1001;
    padding: var(--space-8) var(--space-6);
    transition: transform 0.35s cubic-bezier(0.77, 0, 0.175, 1);
    display: flex;
    flex-direction: column;
    will-change: transform;
    /* Hidden off-screen using translateX — GPU composited, no layout cost */
    transform: translateX(100%);
}

.mobile-menu.open { transform: translateX(0); }
.mobile-menu-close {
    align-self: flex-end;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--clr-primary);
    cursor: pointer;
    margin-bottom: var(--space-8);
}

.mobile-nav-links {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
    list-style: none;
}
.mobile-nav-links a {
    font-size: 1.25rem;
    font-weight: 600;
}

.overlay {
    position: fixed;
    inset: 0;
    background-color: rgba(0,0,0,0.5);
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    /* Animate opacity and visibility only — composited, no layout cost */
    transition: opacity var(--transition-base), visibility var(--transition-base);
}
.overlay.open { opacity: 1; visibility: visible; }

/* Cards & Grid */
.grid {
    display: grid;
    gap: var(--space-8);
}
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.card {
    background-color: var(--clr-surface-container-lowest);
    border-radius: var(--radius-2xl);
    overflow: hidden;
    transition: transform var(--transition-base), box-shadow var(--transition-base);
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    height: 100%;
}

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

.card-img-wrapper {
    position: relative;
    padding-top: 60%;
    overflow: hidden;
}

.card-img-wrapper img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

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

.card-content {
    padding: var(--space-6);
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.card-title {
    margin-bottom: var(--space-2);
    font-family: var(--font-heading);
}

.card-text {
    color: var(--clr-on-surface-variant);
    margin-bottom: var(--space-6);
    flex-grow: 1;
}

.card-action {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 3rem;
    height: 3rem;
    border-radius: var(--radius-full);
    background-color: var(--clr-surface-container-low);
    color: var(--clr-primary);
    transition: background-color var(--transition-base), color var(--transition-base), transform var(--transition-base);
    align-self: flex-start;
}

.card:hover .card-action,
.card-action:hover {
    background-color: var(--clr-secondary-container);
    color: var(--clr-primary);
}

/* Forms */
.form-group {
    margin-bottom: var(--space-6);
}

.form-label {
    display: block;
    margin-bottom: var(--space-2);
    font-weight: 500;
    color: var(--clr-on-surface-variant);
    font-size: 0.875rem;
}

.form-control {
    width: 100%;
    padding: var(--space-4);
    border: none;
    border-bottom: 2px solid var(--clr-ghost-border);
    background-color: transparent;
    font-family: var(--font-body);
    font-size: 1rem;
    transition: border-color var(--transition-fast);
}

.form-control:focus {
    outline: none;
    border-bottom: 2px solid var(--clr-primary);
}

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

/* Footer */
.footer {
    background-color: var(--clr-surface-container-low);
    border: none;
    padding-top: var(--space-16);
    padding-bottom: var(--space-8);
}

.footer-top {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: var(--space-8);
    margin-bottom: var(--space-12);
}

.footer-col-title {
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-6);
    color: var(--clr-primary);
    font-weight: 800;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: var(--space-3);
}

.footer-links a {
    color: var(--clr-on-surface-variant);
    text-decoration: none;
    font-size: 0.875rem;
}

.footer-links a:hover {
    color: var(--clr-secondary);
}

.social-links {
    display: flex;
    gap: var(--space-4);
    margin-top: var(--space-6);
}

.social-links a {
    color: var(--clr-primary);
    transition: transform var(--transition-fast);
    font-size: 1.25rem;
}

.social-links a:hover {
    transform: scale(1.1);
}

.footer-bottom {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-4);
    justify-content: space-between;
    align-items: center;
    padding-top: var(--space-8);
    border: none;
    font-size: 0.75rem;
    color: var(--clr-on-surface-variant);
}

/* Misc Utilities */
.text-center { text-align: center; }
.mb-2 { margin-bottom: var(--space-2); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }
.mt-8 { margin-top: var(--space-8); }

.tag {
    display: inline-block;
    padding: 0.35rem 1rem;
    background-color: rgba(45, 90, 39, 0.1);
    color: var(--clr-primary);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-6);
}

/* Breadcrumbs */
.breadcrumb {
    padding: var(--space-4) 0;
    background-color: var(--clr-surface-container-low);
}
.breadcrumb-list {
    display: flex;
    list-style: none;
    font-size: 0.875rem;
}
.breadcrumb-item:not(:last-child)::after {
    content: '/';
    margin: 0 var(--space-2);
    color: var(--clr-outline-variant);
}
.breadcrumb-item a { color: var(--clr-on-surface-variant); }
.breadcrumb-item a:hover { color: var(--clr-primary); text-decoration: underline; }
.breadcrumb-item.active { color: var(--clr-primary); font-weight: 600; }

/* Cookie Banner */
.cookie-banner {
    position: fixed;
    bottom: var(--space-4);
    left: var(--space-4);
    right: var(--space-4);
    background-color: var(--clr-surface-container-lowest);
    padding: var(--space-4) var(--space-6);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    z-index: 9999;
    transform: translateY(150%);
    transition: transform var(--transition-base);
    gap: var(--space-4);
}
.cookie-banner.show { transform: translateY(0); }
.cookie-text { font-size: 0.875rem; color: var(--clr-on-surface); flex: 1; }
.cookie-actions { display: flex; gap: var(--space-2); }

/* Back to Top */
.back-to-top {
    position: fixed;
    bottom: var(--space-8);
    right: var(--space-8);
    width: 3rem;
    height: 3rem;
    border-radius: var(--radius-full);
    background-color: var(--clr-primary);
    color: var(--clr-on-primary);
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-base), visibility var(--transition-base), transform var(--transition-base), background-color var(--transition-base);
    z-index: 100;
}
.back-to-top.show { opacity: 1; visibility: visible; }
.back-to-top:hover { transform: translateY(-3px); background-color: var(--clr-secondary); }


/* Asymmetrical Layouts */
.broken-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-12);
    align-items: center;
}
.image-offset {
    position: relative;
}
.image-offset::before {
    content: '';
    position: absolute;
    inset: -20px;
    background-color: var(--clr-surface-container);
    border-radius: var(--radius-2xl);
    z-index: -1;
    transform: translate(-10%, 10%);
}
.content-overlap {
    background: var(--clr-surface-container-lowest);
    padding: var(--space-8);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-lg);
    margin-left: -15%;
    position: relative;
    z-index: 10;
}