/* ============================================
   C & R Construction — Custom Styles
   ============================================ */

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

:root {
    --color-primary: #2D5A3D;
    --color-primary-dark: #1E3F2A;
    --color-primary-light: #3D7A52;
    --color-accent: #C8A96E;
    --color-accent-light: #E8D5A8;
    --color-cream: #F5F2EB;
    --color-cream-dark: #EDE8DC;
    --color-white: #FAFAF7;
    --color-text: #1A1A1A;
    --color-text-light: #4A4A4A;
    --color-text-muted: #7A7A7A;
    --color-border: #E0DCD3;
    --color-dark: #1A2E20;
    --font-serif: 'Playfair Display', Georgia, 'Times New Roman', serif;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --shadow-sm: 0 1px 3px rgba(26, 46, 32, 0.06);
    --shadow-md: 0 4px 20px rgba(26, 46, 32, 0.08);
    --shadow-lg: 0 12px 40px rgba(26, 46, 32, 0.12);
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: var(--font-sans);
    color: var(--color-text);
    background: var(--color-white);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

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

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

.skip-link {
    position: absolute;
    top: -100%;
    left: 16px;
    background: var(--color-primary);
    color: var(--color-white);
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    z-index: 1000;
    font-size: 0.875rem;
    transition: top var(--transition);
}

.skip-link:focus {
    top: 16px;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ============================================
   HEADER
   ============================================ */
#site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(250, 250, 247, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid transparent;
    transition: border-color var(--transition), box-shadow var(--transition);
}

#site-header.scrolled {
    border-bottom-color: var(--color-border);
    box-shadow: var(--shadow-sm);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-serif);
    font-weight: 700;
    font-size: 1.15rem;
    color: var(--color-primary);
    letter-spacing: -0.01em;
}

.logo-mark {
    color: var(--color-primary);
}

.logo--light {
    color: var(--color-cream);
}

.logo--light .logo-mark {
    color: var(--color-cream);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
    list-style: none;
}

.nav-links a {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text-light);
    transition: color var(--transition);
    position: relative;
}

.nav-links a:not(.btn):hover {
    color: var(--color-primary);
}

.nav-links a:not(.btn)::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1.5px;
    background: var(--color-primary);
    transition: width var(--transition);
}

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

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-family: var(--font-sans);
    font-weight: 600;
    font-size: 0.9rem;
    padding: 12px 24px;
    border-radius: var(--radius-sm);
    border: none;
    cursor: pointer;
    transition: all var(--transition);
    white-space: nowrap;
}

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

.btn--primary:hover {
    background: var(--color-primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn--ghost {
    background: transparent;
    color: var(--color-white);
    border: 1.5px solid rgba(255, 255, 255, 0.4);
}

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

.btn--outline {
    background: transparent;
    color: var(--color-primary);
    border: 1.5px solid var(--color-primary);
}

.btn--outline:hover {
    background: var(--color-primary);
    color: var(--color-white);
}

.btn--nav {
    background: var(--color-primary);
    color: var(--color-white);
    padding: 10px 20px;
    font-size: 0.85rem;
}

.btn--nav:hover {
    background: var(--color-primary-dark);
}

.btn--lg {
    padding: 16px 32px;
    font-size: 1rem;
}

.btn--full {
    width: 100%;
}

.btn-icon {
    flex-shrink: 0;
}

.btn-loading {
    display: none;
}

.btn.loading .btn-text { display: none; }
.btn.loading .btn-loading { display: inline-flex; align-items: center; }
.spinner {
    animation: spin 0.8s linear infinite;
}
@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Hamburger */
.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 101;
}

.hamburger {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--color-text);
    position: relative;
    transition: all var(--transition);
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    width: 22px;
    height: 2px;
    background: var(--color-text);
    transition: all var(--transition);
}

.hamburger::before { top: -7px; }
.hamburger::after { top: 7px; }

.nav-toggle[aria-expanded="true"] .hamburger {
    background: transparent;
}
.nav-toggle[aria-expanded="true"] .hamburger::before {
    top: 0;
    transform: rotate(45deg);
}
.nav-toggle[aria-expanded="true"] .hamburger::after {
    top: 0;
    transform: rotate(-45deg);
}

/* ============================================
   HERO
   ============================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: linear-gradient(
        135deg,
        var(--color-dark) 0%,
        var(--color-primary) 40%,
        var(--color-primary-light) 70%,
        #4A8B5C 100%
    );
}

.hero-bg {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.4;
}

.gradient-orb--1 {
    width: 600px;
    height: 600px;
    background: #1A3A25;
    top: -200px;
    right: -100px;
    animation: float1 20s ease-in-out infinite;
}

.gradient-orb--2 {
    width: 400px;
    height: 400px;
    background: #3D7A52;
    bottom: -100px;
    left: -50px;
    animation: float2 15s ease-in-out infinite;
}

.gradient-orb--3 {
    width: 300px;
    height: 300px;
    background: var(--color-accent);
    opacity: 0.15;
    top: 40%;
    left: 60%;
    animation: float3 18s ease-in-out infinite;
}

@keyframes float1 {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(-40px, 30px) scale(1.05); }
}
@keyframes float2 {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(30px, -40px) scale(1.08); }
}
@keyframes float3 {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(-50px, 20px); }
}

.hero-pattern {
    position: absolute;
    inset: 0;
    background-image: 
        radial-gradient(circle at 20% 80%, rgba(200, 169, 110, 0.06) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.04) 0%, transparent 50%);
    background-size: 100% 100%;
}

.hero-inner {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 820px;
    padding: 120px 24px 80px;
}

.hero-eyebrow {
    font-family: var(--font-sans);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-accent-light);
    margin-bottom: 24px;
    opacity: 0;
    animation: fadeUp 0.8s ease forwards 0.2s;
}

.hero-title {
    font-family: var(--font-serif);
    font-size: clamp(2.8rem, 7vw, 5.5rem);
    font-weight: 900;
    line-height: 1.05;
    color: var(--color-white);
    margin-bottom: 24px;
    letter-spacing: -0.02em;
    opacity: 0;
    animation: fadeUp 0.8s ease forwards 0.4s;
}

.hero-title--accent {
    font-style: italic;
    color: var(--color-accent-light);
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.2rem);
    color: rgba(250, 250, 247, 0.75);
    max-width: 560px;
    margin: 0 auto 40px;
    line-height: 1.7;
    font-weight: 300;
    opacity: 0;
    animation: fadeUp 0.8s ease forwards 0.6s;
}

.hero-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 64px;
    opacity: 0;
    animation: fadeUp 0.8s ease forwards 0.8s;
}

.hero-stats {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 32px;
    opacity: 0;
    animation: fadeUp 0.8s ease forwards 1s;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-white);
}

.stat-label {
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: rgba(250, 250, 247, 0.5);
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: rgba(250, 250, 247, 0.2);
}

.hero-scroll {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: rgba(250, 250, 247, 0.4);
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    animation: bounce 2s ease-in-out infinite;
}

@keyframes fadeUp {
    from { opacity: 0; transform: translateY(24px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(6px); }
}

/* ============================================
   SECTION COMMONS
   ============================================ */
.section-header {
    text-align: center;
    max-width: 640px;
    margin: 0 auto 64px;
}

.section-eyebrow {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-primary);
    margin-bottom: 16px;
}

.section-title {
    font-family: var(--font-serif);
    font-size: clamp(2rem, 4.5vw, 3.2rem);
    font-weight: 700;
    line-height: 1.15;
    color: var(--color-text);
    letter-spacing: -0.02em;
    margin-bottom: 20px;
}

.section-subtitle {
    font-size: 1.05rem;
    color: var(--color-text-muted);
    line-height: 1.7;
}

.text-accent {
    font-style: italic;
    color: var(--color-primary);
}

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

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

.service-card {
    padding: 40px 32px;
    background: var(--color-cream);
    border-radius: var(--radius-md);
    transition: all var(--transition);
    border: 1px solid transparent;
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-border);
    background: var(--color-white);
}

.service-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    background: var(--color-primary);
    color: var(--color-white);
    margin-bottom: 24px;
}

.service-card-title {
    font-family: var(--font-serif);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 12px;
    letter-spacing: -0.01em;
}

.service-card p {
    font-size: 0.95rem;
    color: var(--color-text-muted);
    line-height: 1.7;
}

/* ============================================
   ABOUT
   ============================================ */
.about {
    padding: 120px 0;
    background: var(--color-cream);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-image-wrap {
    position: relative;
}

.about-image {
    border-radius: var(--radius-lg);
    overflow: hidden;
    position: relative;
    z-index: 1;
}

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

.about-image-accent {
    position: absolute;
    top: -20px;
    left: -20px;
    width: 100%;
    height: 100%;
    border: 2px solid var(--color-primary);
    border-radius: var(--radius-lg);
    z-index: 0;
    opacity: 0.2;
}

.about-content .section-eyebrow {
    text-align: left;
}

.about-content .section-title {
    text-align: left;
}

.lead {
    font-size: 1.1rem;
    color: var(--color-text-light);
    line-height: 1.8;
    margin-bottom: 20px;
}

.about-content > p {
    font-size: 0.95rem;
    color: var(--color-text-muted);
    line-height: 1.8;
    margin-bottom: 32px;
}

.about-features {
    list-style: none;
    display: grid;
    gap: 14px;
    margin-bottom: 40px;
}

.about-features li {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.95rem;
    color: var(--color-text-light);
}

.check-icon {
    color: var(--color-primary);
    flex-shrink: 0;
}

/* ============================================
   GALLERY
   ============================================ */
.gallery {
    padding: 120px 0;
    background: var(--color-white);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    grid-template-rows: auto auto;
    gap: 20px;
}

.gallery-item {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    cursor: pointer;
}

.gallery-item--large {
    grid-column: span 7;
    grid-row: span 1;
}

.gallery-item--tall {
    grid-column: span 5;
    grid-row: span 2;
}

.gallery-item:nth-child(2) {
    grid-column: 9 / span 4;
    grid-row: 1;
}

.gallery-item:nth-child(3) {
    grid-column: 9 / span 4;
    grid-row: 1;
}

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

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

.gallery-item-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(26, 46, 32, 0.7) 0%, transparent 50%);
    opacity: 0;
    transition: opacity var(--transition);
    display: flex;
    align-items: flex-end;
    padding: 24px;
}

.gallery-item:hover .gallery-item-overlay {
    opacity: 1;
}

.gallery-item-tag {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-white);
    letter-spacing: 0.05em;
}

/* ============================================
   TESTIMONIALS
   ============================================ */
.testimonials {
    padding: 120px 0;
    background: var(--color-dark);
    position: relative;
    overflow: hidden;
}

.testimonials::before {
    content: '';
    position: absolute;
    top: -200px;
    right: -200px;
    width: 500px;
    height: 500px;
    background: var(--color-primary);
    border-radius: 50%;
    opacity: 0.08;
    filter: blur(100px);
}

.testimonials .section-eyebrow {
    color: var(--color-accent-light);
}

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

.testimonials .section-title .text-accent {
    color: var(--color-accent-light);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    position: relative;
    z-index: 1;
}

.testimonial-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-md);
    padding: 40px 32px;
    transition: all var(--transition);
}

.testimonial-card:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.15);
    transform: translateY(-4px);
}

.quote-mark {
    color: var(--color-accent);
    margin-bottom: 20px;
    opacity: 0.5;
}

.testimonial-text {
    font-size: 1rem;
    line-height: 1.8;
    color: rgba(250, 250, 247, 0.8);
    margin-bottom: 24px;
    font-style: italic;
}

.testimonial-footer {
    border-top: 1px solid rgba(250, 250, 247, 0.1);
    padding-top: 20px;
}

.testimonial-author {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-accent-light);
    letter-spacing: 0.03em;
}

/* ============================================
   CTA BANNER
   ============================================ */
.cta-banner {
    position: relative;
    padding: 100px 0;
    background: linear-gradient(
        135deg,
        var(--color-primary-dark) 0%,
        var(--color-primary) 50%,
        var(--color-primary-light) 100%
    );
    overflow: hidden;
}

.cta-bg {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.cta-pattern {
    position: absolute;
    inset: 0;
    background-image: radial-gradient(circle at 30% 50%, rgba(200, 169, 110, 0.1) 0%, transparent 60%);
}

.cta-inner {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.cta-eyebrow {
    color: var(--color-accent-light);
}

.cta-title {
    color: var(--color-white);
    margin-bottom: 20px;
}

.cta-title .text-accent {
    color: var(--color-accent-light);
}

.cta-subtitle {
    font-size: 1.05rem;
    color: rgba(250, 250, 247, 0.7);
    line-height: 1.7;
    margin-bottom: 40px;
}

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

.btn--outline-light {
    background: transparent;
    color: var(--color-white);
    border: 1.5px solid rgba(255, 255, 255, 0.4);
}

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

/* ============================================
   CONTACT
   ============================================ */
.contact {
    padding: 120px 0;
    background: var(--color-white);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
}

.contact-info .section-eyebrow {
    text-align: left;
}

.contact-info .section-title {
    text-align: left;
}

.contact-intro {
    font-size: 0.95rem;
    color: var(--color-text-muted);
    line-height: 1.7;
    margin-bottom: 40px;
}

.contact-details {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 24px;
    margin-bottom: 32px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.contact-icon {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    background: var(--color-cream);
    color: var(--color-primary);
    flex-shrink: 0;
}

.contact-label {
    display: block;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    margin-bottom: 4px;
}

.contact-link {
    font-size: 1rem;
    color: var(--color-text);
    font-weight: 500;
    transition: color var(--transition);
}

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

.contact-map {
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.contact-form-wrap {
    background: var(--color-cream);
    border-radius: var(--radius-lg);
    padding: 48px;
    border: 1px solid var(--color-border);
}

.form-title {
    font-family: var(--font-serif);
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 8px;
    letter-spacing: -0.01em;
}

.form-subtitle {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    margin-bottom: 32px;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group label {
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--color-text-light);
}

.form-group input,
.form-group select,
.form-group textarea {
    font-family: var(--font-sans);
    font-size: 0.95rem;
    padding: 12px 16px;
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-white);
    color: var(--color-text);
    transition: border-color var(--transition), box-shadow var(--transition);
    outline: none;
    width: 100%;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(45, 90, 61, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--color-text-muted);
}

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

.form-group input:invalid:not(:placeholder-shown) {
    border-color: #c0392b;
}

.form-success {
    text-align: center;
    padding: 40px 20px;
}

.success-icon {
    color: var(--color-primary);
    margin: 0 auto 20px;
}

.success-title {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 12px;
}

.form-success p {
    font-size: 0.95rem;
    color: var(--color-text-muted);
    line-height: 1.7;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: var(--color-dark);
    color: var(--color-cream);
    padding: 80px 0 0;
}

.footer-inner {
    display: grid;
    grid-template-columns: 2fr 1fr 1.5fr;
    gap: 60px;
    padding-bottom: 60px;
}

.footer-tagline {
    font-size: 0.9rem;
    color: rgba(245, 242, 235, 0.5);
    line-height: 1.7;
    margin-top: 16px;
    max-width: 280px;
}

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

.footer-links a {
    font-size: 0.9rem;
    color: rgba(245, 242, 235, 0.6);
    transition: color var(--transition);
}

.footer-links a:hover {
    color: var(--color-accent-light);
}

.footer-contact {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-link {
    font-size: 0.9rem;
    color: rgba(245, 242, 235, 0.6);
    transition: color var(--transition);
}

.footer-link:hover {
    color: var(--color-accent-light);
}

.footer-bottom {
    border-top: 1px solid rgba(245, 242, 235, 0.08);
    padding: 24px 0;
}

.footer-bottom-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
}

.footer-bottom p {
    font-size: 0.8rem;
    color: rgba(245, 242, 235, 0.35);
}

/* ============================================
   BACK TO TOP
   ============================================ */
.back-to-top {
    position: fixed;
    bottom: 32px;
    right: 32px;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--color-primary);
    color: var(--color-white);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transform: translateY(16px);
    transition: all var(--transition);
    box-shadow: var(--shadow-md);
    z-index: 50;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: var(--color-primary-dark);
    transform: translateY(-2px);
}

/* ============================================
   SCROLL ANIMATIONS
   ============================================ */
.reveal {
    opacity: 0;
    transform: translateY(32px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================
   MOBILE NAV
   ============================================ */
@media (max-width: 900px) {
    .nav-toggle {
        display: block;
    }

    .main-nav {
        position: fixed;
        top: 0;
        right: 0;
        width: 300px;
        height: 100vh;
        background: var(--color-white);
        box-shadow: var(--shadow-lg);
        padding: 100px 32px 40px;
        transform: translateX(100%);
        transition: transform var(--transition);
        z-index: 100;
    }

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

    .nav-links {
        flex-direction: column;
        align-items: flex-start;
        gap: 24px;
    }

    .nav-links a {
        font-size: 1.1rem;
    }

    .nav-overlay {
        position: fixed;
        inset: 0;
        background: rgba(0, 0, 0, 0.4);
        z-index: 99;
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition);
    }

    .nav-overlay.active {
        opacity: 1;
        visibility: visible;
    }
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 900px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .about-content .section-eyebrow,
    .about-content .section-title {
        text-align: center;
    }

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

    .about-features {
        max-width: 400px;
        margin-left: auto;
        margin-right: auto;
        margin-bottom: 32px;
    }

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

    .gallery-item--large {
        grid-column: span 2;
    }

    .gallery-item--tall {
        grid-column: span 1;
        grid-row: span 1;
    }

    .gallery-item:nth-child(2),
    .gallery-item:nth-child(3) {
        grid-column: span 1;
    }

    .testimonials-grid {
        grid-template-columns: 1fr;
        max-width: 600px;
        margin: 0 auto;
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .contact-info .section-eyebrow,
    .contact-info .section-title {
        text-align: center;
    }

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

    .contact-form-wrap {
        padding: 32px 24px;
    }

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

    .footer-bottom-inner {
        flex-direction: column;
        text-align: center;
        gap: 8px;
    }
}

@media (max-width: 640px) {
    .container {
        padding: 0 20px;
    }

    .hero-inner {
        padding: 100px 20px 80px;
    }

    .hero-actions {
        flex-direction: column;
        align-items: center;
    }

    .hero-actions .btn {
        width: 100%;
        max-width: 280px;
    }

    .hero-stats {
        flex-direction: column;
        gap: 16px;
    }

    .stat-divider {
        width: 40px;
        height: 1px;
    }

    .services {
        padding: 80px 0;
    }

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

    .service-card {
        padding: 32px 24px;
    }

    .about {
        padding: 80px 0;
    }

    .gallery {
        padding: 80px 0;
    }

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

    .gallery-item--large {
        grid-column: span 1;
    }

    .testimonials {
        padding: 80px 0;
    }

    .cta-banner {
        padding: 80px 0;
    }

    .cta-actions {
        flex-direction: column;
        align-items: center;
    }

    .cta-actions .btn {
        width: 100%;
        max-width: 280px;
    }

    .contact {
        padding: 80px 0;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .footer {
        padding: 60px 0 0;
    }

    .footer-inner {
        gap: 32px;
    }

    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 44px;
        height: 44px;
    }
}