/* ============================================
   Renken Plumbing & Heating — Stylesheet
   Colors: Deep Navy (#1a2744) + Warm Gold (#C8956C)
   Fonts: Playfair Display + DM Sans
============================================ */

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

:root {
    --navy: #1a2744;
    --navy-light: #243456;
    --navy-dark: #111b30;
    --gold: #C8956C;
    --gold-light: #D4A87E;
    --gold-dark: #B07D55;
    --cream: #FAF6F1;
    --warm-white: #FDF9F4;
    --sand: #F0E8DF;
    --text-dark: #1a2744;
    --text-muted: #5a6a7e;
    --text-light: #8a9ab0;
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 24px;
    --radius-xl: 32px;
    --shadow-sm: 0 2px 8px rgba(26, 39, 68, 0.06);
    --shadow-md: 0 4px 20px rgba(26, 39, 68, 0.08);
    --shadow-lg: 0 8px 40px rgba(26, 39, 68, 0.12);
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--text-dark);
    background: var(--warm-white);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

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

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

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

/* --- Typography --- */
h1, h2, h3, h4 {
    font-family: 'Playfair Display', Georgia, serif;
    line-height: 1.2;
    font-weight: 700;
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: 50px;
    font-family: 'DM Sans', sans-serif;
    font-weight: 700;
    font-size: 0.95rem;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all var(--transition);
    text-decoration: none;
    white-space: nowrap;
}

.btn--primary {
    background: var(--gold);
    color: var(--navy);
    border-color: var(--gold);
}

.btn--primary:hover {
    background: var(--gold-dark);
    border-color: var(--gold-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(200, 149, 108, 0.35);
}

.btn--gold {
    background: var(--gold);
    color: var(--navy);
    border-color: var(--gold);
}

.btn--gold:hover {
    background: var(--gold-dark);
    border-color: var(--gold-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(200, 149, 108, 0.35);
}

.btn--outline-light {
    background: transparent;
    color: #fff;
    border-color: rgba(255, 255, 255, 0.5);
}

.btn--outline-light:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: #fff;
    transform: translateY(-2px);
}

.btn--outline-navy {
    background: transparent;
    color: var(--navy);
    border-color: var(--navy);
}

.btn--outline-navy:hover {
    background: var(--navy);
    color: #fff;
    transform: translateY(-2px);
}

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

/* --- Section Labels --- */
.section-label {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--gold);
    margin-bottom: 12px;
}

.section-title {
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    color: var(--navy);
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-muted);
    max-width: 560px;
    line-height: 1.7;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

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

/* --- Navbar --- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: all var(--transition);
}

.navbar.scrolled {
    background: rgba(26, 39, 68, 0.95);
    backdrop-filter: blur(12px);
    padding: 10px 0;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: 'Playfair Display', serif;
    font-weight: 700;
    font-size: 1.1rem;
    color: #fff;
}

.nav-logo-icon {
    flex-shrink: 0;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 8px;
    list-style: none;
}

.nav-link {
    padding: 8px 16px;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.85);
    transition: all var(--transition);
}

.nav-link:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.1);
}

.nav-link--cta {
    background: var(--gold);
    color: var(--navy);
    font-weight: 700;
    margin-left: 8px;
}

.nav-link--cta:hover {
    background: var(--gold-light);
    color: var(--navy);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.nav-toggle-bar {
    width: 24px;
    height: 2px;
    background: #fff;
    border-radius: 2px;
    transition: all var(--transition);
}

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

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

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

/* --- Hero --- */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

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

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

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(17, 27, 48, 0.92) 0%,
        rgba(26, 39, 68, 0.85) 50%,
        rgba(26, 39, 68, 0.72) 100%
    );
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 1200px;
    margin: 0 auto;
    padding: 120px 24px 80px;
    width: 100%;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(200, 149, 108, 0.15);
    border: 1px solid rgba(200, 149, 108, 0.3);
    border-radius: 50px;
    padding: 8px 18px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--gold-light);
    margin-bottom: 28px;
}

.hero-headline {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    color: #fff;
    line-height: 1.1;
    margin-bottom: 24px;
    max-width: 700px;
}

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

.hero-subheadline {
    font-size: clamp(1.05rem, 2vw, 1.25rem);
    color: rgba(255, 255, 255, 0.78);
    max-width: 540px;
    line-height: 1.7;
    margin-bottom: 40px;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 56px;
}

.hero-trust {
    display: flex;
    flex-wrap: wrap;
    gap: 32px;
}

.hero-trust-item {
    display: flex;
    align-items: center;
    gap: 10px;
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
    font-weight: 500;
}

.hero-scroll {
    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); }
    50% { transform: translateX(-50%) translateY(8px); }
}

/* --- Services --- */
.services {
    padding: 100px 0;
    background: var(--warm-white);
}

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

.service-card {
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 36px 28px;
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(26, 39, 68, 0.05);
    transition: all var(--transition);
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(200, 149, 108, 0.2);
}

.service-card-icon {
    width: 64px;
    height: 64px;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.service-card-title {
    font-size: 1.2rem;
    color: var(--navy);
    margin-bottom: 10px;
}

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

/* --- About --- */
.about {
    padding: 100px 0;
    background: var(--cream);
}

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

.about-image {
    position: relative;
}

.about-image-main {
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.about-image-main img {
    width: 100%;
    height: 500px;
    object-fit: cover;
}

.about-image-accent {
    position: absolute;
    bottom: -32px;
    right: -32px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    border: 4px solid var(--cream);
}

.about-image-accent img {
    width: 280px;
    height: 200px;
    object-fit: cover;
}

.about-content .section-title {
    margin-bottom: 20px;
}

.about-text {
    font-size: 1.05rem;
    color: var(--text-muted);
    line-height: 1.8;
    margin-bottom: 16px;
}

.about-stats {
    display: flex;
    align-items: center;
    gap: 24px;
    margin: 32px 0;
    padding: 24px 0;
    border-top: 1px solid rgba(26, 39, 68, 0.08);
    border-bottom: 1px solid rgba(26, 39, 68, 0.08);
}

.about-stat {
    text-align: center;
    flex: 1;
}

.about-stat-number {
    display: block;
    font-family: 'Playfair Display', serif;
    font-size: 2rem;
    font-weight: 700;
    color: var(--navy);
    line-height: 1;
    margin-bottom: 6px;
}

.about-stat-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    font-weight: 500;
}

.about-stat-divider {
    width: 1px;
    height: 48px;
    background: rgba(26, 39, 68, 0.12);
}

/* --- Why Us --- */
.why-us {
    padding: 100px 0;
    background: var(--navy);
    position: relative;
    overflow: hidden;
}

.why-us::before {
    content: '';
    position: absolute;
    top: -200px;
    right: -200px;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    background: rgba(200, 149, 108, 0.04);
    pointer-events: none;
}

.why-us .section-label {
    color: var(--gold);
}

.why-us .section-title {
    color: #fff;
}

.why-us .section-subtitle {
    color: rgba(255, 255, 255, 0.6);
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    position: relative;
    z-index: 1;
}

.why-card {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-lg);
    padding: 36px 32px;
    transition: all var(--transition);
}

.why-card:hover {
    background: rgba(255, 255, 255, 0.07);
    border-color: rgba(200, 149, 108, 0.3);
    transform: translateY(-4px);
}

.why-card-number {
    font-family: 'Playfair Display', serif;
    font-size: 3rem;
    font-weight: 700;
    color: rgba(200, 149, 108, 0.25);
    line-height: 1;
    margin-bottom: 16px;
}

.why-card-title {
    font-size: 1.2rem;
    color: #fff;
    margin-bottom: 10px;
}

.why-card-desc {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.7;
}

/* --- Testimonials --- */
.testimonials {
    padding: 100px 0;
    background: var(--warm-white);
}

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

.testimonial-card {
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 36px 28px;
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(26, 39, 68, 0.05);
    transition: all var(--transition);
}

.testimonial-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.testimonial-stars {
    display: flex;
    gap: 4px;
    margin-bottom: 20px;
}

.testimonial-text {
    font-size: 1rem;
    color: var(--text-muted);
    line-height: 1.8;
    margin-bottom: 20px;
    font-style: italic;
}

.testimonial-author {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--navy);
}

/* --- CTA Banner --- */
.cta-banner {
    position: relative;
    padding: 80px 0;
    overflow: hidden;
}

.cta-bg {
    position: absolute;
    inset: 0;
}

.cta-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.cta-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(17, 27, 48, 0.93) 0%, rgba(26, 39, 68, 0.88) 100%);
}

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

.cta-title {
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    color: #fff;
    margin-bottom: 16px;
}

.cta-text {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 36px;
    line-height: 1.7;
}

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

/* --- Contact --- */
.contact {
    padding: 100px 0;
    background: var(--cream);
}

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

.contact-text {
    font-size: 1.05rem;
    color: var(--text-muted);
    line-height: 1.7;
    margin-bottom: 36px;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 24px;
    margin-bottom: 32px;
}

.contact-detail {
    display: flex;
    gap: 16px;
}

.contact-detail-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    background: rgba(200, 149, 108, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-detail strong {
    display: block;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--navy);
    margin-bottom: 4px;
}

.contact-detail p {
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.6;
}

.contact-detail a {
    color: var(--gold-dark);
    transition: color var(--transition);
}

.contact-detail a:hover {
    color: var(--navy);
}

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

.contact-form-wrap {
    position: sticky;
    top: 100px;
}

.contact-form-card {
    background: #fff;
    border-radius: var(--radius-xl);
    padding: 40px;
    box-shadow: var(--shadow-lg);
}

.contact-form-title {
    font-size: 1.4rem;
    color: var(--navy);
    margin-bottom: 28px;
}

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

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

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--navy);
    margin-bottom: 6px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid rgba(26, 39, 68, 0.1);
    border-radius: var(--radius-md);
    font-family: 'DM Sans', sans-serif;
    font-size: 0.95rem;
    color: var(--text-dark);
    background: var(--warm-white);
    transition: all var(--transition);
    outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--gold);
    background: #fff;
    box-shadow: 0 0 0 4px rgba(200, 149, 108, 0.1);
}

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

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.form-success {
    display: none;
    text-align: center;
    padding: 40px 20px;
}

.form-success h4 {
    font-size: 1.4rem;
    color: var(--navy);
    margin: 16px 0 8px;
}

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

/* --- Footer --- */
.footer {
    background: var(--navy-dark);
    padding: 64px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 48px;
    padding-bottom: 48px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-brand .footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: 'Playfair Display', serif;
    font-weight: 700;
    font-size: 1.1rem;
    color: #fff;
    margin-bottom: 16px;
}

.footer-desc {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.5);
    line-height: 1.7;
    max-width: 280px;
}

.footer-links h4,
.footer-contact h4 {
    font-family: 'DM Sans', sans-serif;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--gold);
    margin-bottom: 20px;
}

.footer-links ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-links a {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.55);
    transition: color var(--transition);
}

.footer-links a:hover {
    color: #fff;
}

.footer-contact p {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.55);
    line-height: 1.8;
}

.footer-contact a {
    color: rgba(255, 255, 255, 0.55);
    transition: color var(--transition);
}

.footer-contact a:hover {
    color: var(--gold);
}

.footer-bottom {
    padding: 24px 0;
    text-align: center;
}

.footer-bottom p {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.35);
}

/* --- Reveal Animations --- */
.reveal {
    opacity: 1;
    transform: none;
    transition: opacity 0.6s ease, transform 0.6s ease;
}

@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(24px);
    }
    
    .reveal.visible {
        opacity: 1;
        transform: translateY(0);
    }
}

/* --- Responsive --- */
@media (max-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .about-grid {
        gap: 48px;
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: var(--navy-dark);
        flex-direction: column;
        align-items: flex-start;
        padding: 80px 32px 32px;
        gap: 4px;
        transition: right var(--transition);
        box-shadow: -8px 0 32px rgba(0, 0, 0, 0.3);
    }
    
    .nav-menu.open {
        right: 0;
    }
    
    .nav-link {
        width: 100%;
        padding: 12px 16px;
    }
    
    .nav-link--cta {
        margin-left: 0;
        margin-top: 12px;
        text-align: center;
        justify-content: center;
    }
    
    .hero-headline {
        font-size: clamp(2rem, 8vw, 3rem);
    }
    
    .hero-trust {
        gap: 20px;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
    }
    
    .about-image-accent {
        right: 16px;
        bottom: -24px;
    }
    
    .about-image-accent img {
        width: 200px;
        height: 150px;
    }
    
    .why-grid {
        grid-template-columns: 1fr;
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }
    
    .contact-form-wrap {
        position: static;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
}

@media (max-width: 480px) {
    .hero-actions {
        flex-direction: column;
    }
    
    .hero-actions .btn {
        width: 100%;
        justify-content: center;
    }
    
    .cta-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .cta-actions .btn {
        width: 100%;
        justify-content: center;
    }
    
    .contact-form-card {
        padding: 24px;
    }
    
    .about-stats {
        flex-direction: column;
        gap: 20px;
    }
    
    .about-stat-divider {
        width: 48px;
        height: 1px;
    }
}