@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500&family=Outfit:wght@700;800&display=swap');

:root {
    --bg-primary: #ffffff;
    --text-primary: #111111;
    --text-secondary: #555555;
    --brand-accent: #47506d;
    --text-accent: var(--brand-accent);
    --neutral-subtle: #f4f4f6;
    --accent-warm: #f5ebe0;
    --accent-interactive: var(--brand-accent);
    --border-color: rgba(17, 17, 17, 0.12);
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    --grid-gap: 2rem;
    --padding-side: 8%;
    --transition-smooth: 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-medium: 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-fast: 0.2s ease;
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg-primary: #181818;
        --text-primary: #f8f9fa;
        --text-secondary: #aaaaaa;
        --brand-accent: #47506d;
        --text-accent: #a2c2e8;
        --neutral-subtle: #1e293b;
        --accent-interactive: #b25329;
        --border-color: rgba(248, 249, 250, 0.15);
    }
}

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

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 300;
    line-height: 1.6;
    letter-spacing: 0.02em;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
}

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

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-medium), border-color var(--transition-medium);
}

/* Typography */
h1, h2, h3, h4 {
    font-family: var(--font-heading);
    font-weight: 800;
    letter-spacing: -0.04em;
    line-height: 1.1;
    text-transform: lowercase;
}

h1 {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    margin-bottom: 1.5rem;
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: 1rem;
}

h3 {
    font-size: clamp(1.5rem, 3vw, 2rem);
    margin-bottom: 0.75rem;
}

.micro-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    font-weight: 500;
    color: var(--text-accent);
    margin-bottom: 0.75rem;
    display: block;
}

.text-muted {
    color: var(--text-secondary);
}

/* Layout Utilities */
.container {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--padding-side);
}

.divider {
    border: none;
    height: 1px;
    background-color: var(--border-color);
    margin: 4rem 0;
}

.split-viewport {
    display: grid;
    grid-template-columns: 1fr 1fr;
    min-height: 80vh;
}

@media (max-width: 991px) {
    .split-viewport {
        grid-template-columns: 1fr;
        min-height: auto;
    }
}

/* Buttons and Links */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 2rem;
    font-family: var(--font-body);
    font-size: 0.85rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    transition: transform var(--transition-medium), 
                background-color var(--transition-medium), 
                color var(--transition-medium), 
                border-color var(--transition-medium), 
                box-shadow var(--transition-medium);
    cursor: pointer;
    border: none;
    will-change: transform;
}

.btn-solid {
    background-color: var(--accent-interactive);
    color: #ffffff;
    box-shadow: 0 4px 12px rgba(71, 80, 109, 0.12);
}

@media (hover: hover) {
    .btn-solid:hover {
        transform: translateY(-3px);
        background-color: var(--brand-accent);
        box-shadow: 0 8px 20px rgba(71, 80, 109, 0.25);
    }
}
.btn-solid:active {
    transform: translateY(-1px);
    box-shadow: 0 4px 10px rgba(71, 80, 109, 0.15);
}

.btn-outline {
    border: 1px solid var(--border-color);
    background-color: transparent;
    color: var(--text-primary);
}

@media (hover: hover) {
    .btn-outline:hover {
        background-color: var(--text-primary);
        color: var(--bg-primary);
        border-color: var(--text-primary);
        transform: translateY(-3px);
        box-shadow: 0 8px 20px rgba(0, 0, 0, 0.05);
    }
}
.btn-outline:active {
    transform: translateY(-1px);
}

.btn-text {
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    font-size: 0.8rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.25rem;
    transition: color var(--transition-medium), border-color var(--transition-medium);
}

.btn-text::after {
    content: '\2192';
    display: inline-block;
    transition: transform var(--transition-medium);
    will-change: transform;
}

@media (hover: hover) {
    .btn-text:hover {
        color: var(--text-accent);
        border-color: var(--text-accent);
    }
    .btn-text:hover::after {
        transform: translateX(6px);
    }
}

/* Header styling */
.site-header {
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    background-color: var(--bg-primary);
    z-index: 100;
    transition: background-color 0.3s ease;
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 90px;
}

.logo-link {
    display: flex;
    align-items: center;
}

.logo-img {
    height: 48px;
    width: auto;
}

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

.nav-link {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    font-weight: 500;
    color: var(--text-primary);
    opacity: 0.85;
    position: relative;
    padding-bottom: 6px;
    transition: color var(--transition-medium), opacity var(--transition-medium);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background-color: var(--text-accent);
    transform: scaleX(0);
    transform-origin: right center;
    transition: transform var(--transition-medium);
    will-change: transform;
}

.nav-link:hover, .nav-link.active {
    color: var(--text-accent);
    opacity: 1;
}

.nav-link.active::after {
    transform: scaleX(1);
    transform-origin: left center;
}

@media (hover: hover) {
    .nav-link:hover::after {
        transform: scaleX(1);
        transform-origin: left center;
    }
}

.header-cta {
    display: flex;
    align-items: center;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    border: none;
    background: transparent;
    cursor: pointer;
    padding: 4px;
    z-index: 110;
}

.menu-bar {
    width: 24px;
    height: 1px;
    background-color: var(--text-primary);
    transition: all 0.3s ease;
}

@media (max-width: 991px) {
    .menu-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 100%;
        height: 100vh;
        background-color: var(--bg-primary);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 3rem;
        transition: right 0.4s cubic-bezier(0.16, 1, 0.3, 1);
        z-index: 105;
    }
    
    .nav-menu.open {
        right: 0;
    }
    
    .nav-link {
        font-size: 1.25rem;
    }

    .menu-toggle.open .menu-bar:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
    }
    
    .menu-toggle.open .menu-bar:nth-child(2) {
        opacity: 0;
    }
    
    .menu-toggle.open .menu-bar:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
    }
    
    .header-cta {
        display: none;
    }
}

/* Footer styling */
.site-footer {
    border-top: 1px solid var(--border-color);
    padding: 6rem 0 3rem;
    margin-top: auto;
    background-color: var(--bg-primary);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: var(--grid-gap);
    margin-bottom: 4rem;
}

.footer-logo {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.footer-logo-img {
    height: 40px;
    width: auto;
    align-self: flex-start;
}

.footer-links-col {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.footer-col-title {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
}

.footer-link {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.footer-link:hover {
    color: var(--text-primary);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.greet-marketing-link {
    font-style: italic;
    color: var(--text-secondary);
    border-bottom: 1px dotted var(--border-color);
}

.greet-marketing-link:hover {
    color: var(--text-primary);
}

@media (max-width: 768px) {
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 1.5rem;
        text-align: center;
    }
}

/* Page Hero Layout (Shared across all subpages) */
.page-hero {
    padding: 0;
    border-bottom: 1px solid var(--border-color);
}
.page-hero-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    min-height: 40vh;
}
.page-hero-content {
    padding: 5rem var(--padding-side);
    display: flex;
    flex-direction: column;
    justify-content: center;
    background-color: var(--bg-primary);
}
.page-hero-image {
    border-left: 1px solid var(--border-color);
    min-height: 300px;
    background-position: center;
    background-size: cover;
    background-repeat: no-repeat;
}
@media (max-width: 991px) {
    .page-hero-grid {
        grid-template-columns: 1fr;
        min-height: auto;
    }
    .page-hero-image {
        min-height: 300px;
        border-left: none;
        border-top: 1px solid var(--border-color);
    }
}

/* Reviews Styling */
.reviews-section {
    padding: 8rem 0;
    border-bottom: 1px solid var(--border-color);
}
.reviews-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2.5rem;
    margin-top: 4rem;
}
.reviews-page-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 2.5rem;
    margin: 6rem 0;
}
.review-card {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    border: 1px solid var(--border-color);
    padding: 3rem 2rem;
    transition: transform var(--transition-smooth),
                background-color var(--transition-smooth),
                border-color var(--transition-smooth),
                box-shadow var(--transition-smooth);
    background-color: transparent;
}
.review-card:hover {
    background-color: var(--neutral-subtle);
    transform: translateY(-2px);
}
.review-stars {
    color: var(--text-accent);
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
    letter-spacing: 0.1em;
}
.review-text {
    font-size: 0.95rem;
    font-style: italic;
    color: var(--text-primary);
    margin-bottom: 2rem;
    line-height: 1.7;
}
.review-author {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    margin-top: auto;
}
.author-name {
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--text-primary);
}
.author-location {
    font-size: 0.8rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
@media (max-width: 991px) {
    .reviews-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    .reviews-page-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
        margin: 4rem 0;
    }
}

/* ==========================================================================
   Tasteful Modern Animations & Transitions
   ========================================================================== */

/* Timing and cubic-bezier setup for animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(24px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes imageFadeIn {
    from {
        opacity: 0;
        filter: saturate(0.85) contrast(1.05);
    }
    to {
        opacity: 1;
        filter: saturate(1) contrast(1);
    }
}

/* Page Hero element sequential fade-in animations on load */
.hero-content > *, .page-hero-content > * {
    opacity: 0;
    animation: fadeInUp 1s var(--transition-smooth) forwards;
}
.hero-content > *:nth-child(1), .page-hero-content > *:nth-child(1) { animation-delay: 0.1s; }
.hero-content > *:nth-child(2), .page-hero-content > *:nth-child(2) { animation-delay: 0.22s; }
.hero-content > *:nth-child(3), .page-hero-content > *:nth-child(3) { animation-delay: 0.34s; }
.hero-content > *:nth-child(4), .page-hero-content > *:nth-child(4) { animation-delay: 0.46s; }

.hero-image, .page-hero-image {
    animation: imageFadeIn 1.5s var(--transition-smooth) forwards;
}

/* Scroll reveal animations class */
.reveal-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 1.2s var(--transition-smooth), transform 1.2s var(--transition-smooth);
    will-change: transform, opacity;
}
.reveal-on-scroll.active {
    opacity: 1;
    transform: translateY(0);
}

/* Interactive elements hover lift, shadow, and color transitions */
.service-card, 
.riba-card, 
.service-detail-card, 
.portfolio-card, 
.review-card,
.cta-card {
    transition: transform var(--transition-smooth),
                background-color var(--transition-smooth),
                border-color var(--transition-smooth),
                box-shadow var(--transition-smooth);
    will-change: transform, box-shadow;
}

.review-stars {
    display: inline-block;
    transition: transform var(--transition-smooth);
    transform-origin: left center;
}

.riba-card::before {
    transition: transform var(--transition-smooth) !important;
    transform-origin: left center;
}

@media (hover: hover) {
    .service-card:hover, 
    .riba-card:hover, 
    .review-card:hover {
        transform: translateY(-5px) !important;
        background-color: var(--neutral-subtle) !important;
        border-color: rgba(71, 80, 109, 0.25) !important;
        box-shadow: 0 16px 32px rgba(0, 0, 0, 0.04) !important;
    }
    
    .review-card:hover .review-stars {
        transform: scale(1.08);
    }
    
    .riba-card:hover::before {
        transform: scaleY(1.5);
    }
    
    .service-detail-card:hover {
        border-color: var(--text-accent);
        transform: translateY(-2px);
    }
    
    .portfolio-card:hover {
        transform: translateY(-6px);
        box-shadow: 0 20px 40px rgba(0, 0, 0, 0.06);
        border-color: rgba(71, 80, 109, 0.25);
    }
    
    .cta-card:hover {
        transform: translateY(-4px) !important;
        border-color: var(--brand-accent) !important;
        box-shadow: 0 16px 32px rgba(0, 0, 0, 0.03) !important;
    }
}

/* Price rows interactive micro-hover effects (desktop only) */
.price-row {
    transition: padding var(--transition-medium),
                background-color var(--transition-medium),
                border-color var(--transition-medium);
}
@media (hover: hover) {
    .price-row:hover {
        padding-left: 1rem;
        padding-right: 1rem;
        background-color: var(--neutral-subtle);
        border-color: var(--text-accent);
    }
}

/* Form input interactive elements focus ring */
.form-input, 
.form-textarea {
    transition: border-color var(--transition-medium),
                box-shadow var(--transition-medium),
                background-color var(--transition-medium);
}
.form-input:focus, 
.form-textarea:focus {
    outline: none;
    border-color: var(--brand-accent) !important;
    box-shadow: 0 0 0 3px rgba(71, 80, 109, 0.16) !important;
    background-color: var(--bg-primary);
}

/* ==========================================================================
   Accessibility & Reduced Motion Preferences
   ========================================================================== */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-delay: -1ms !important;
        animation-duration: 1ms !important;
        animation-iteration-count: 1 !important;
        background-attachment: scroll !important;
        scroll-behavior: auto !important;
        transition-duration: 0s !important;
        transition-delay: 0s !important;
    }
    .reveal-on-scroll {
        opacity: 1 !important;
        transform: none !important;
    }
    .hero-content > *, .page-hero-content > * {
        opacity: 1 !important;
        animation: none !important;
    }
    .hero-image, .page-hero-image {
        animation: none !important;
    }
}