/* ========================================
   Big Lake Pump & Supply — Custom Styles
   Clean Minimalist | Deep Navy + Warm Gold
======================================== */

/* ---------- CSS Custom Properties ---------- */
:root {
    --navy-950: #0a1628;
    --navy-900: #0f2140;
    --navy-800: #152d56;
    --navy-700: #1a3668;
    --navy-600: #1e4080;
    --gold-500: #c9a227;
    --gold-400: #d4af37;
    --gold-300: #e0c060;
    --gold-200: #f0d88a;
    --gold-100: #faf3d6;
    --white: #ffffff;
    --off-white: #f8f7f4;
    --gray-50: #fafaf9;
    --gray-100: #f5f5f4;
    --gray-200: #e7e5e4;
    --gray-300: #d6d3d1;
    --gray-400: #a8a29e;
    --gray-500: #78716c;
    --gray-600: #57534e;
    --gray-700: #44403c;
    --gray-800: #292524;
    --gray-900: #1c1917;

    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'Playfair Display', Georgia, serif;

    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow-sm: 0 1px 2px rgba(10, 22, 40, 0.05);
    --shadow-md: 0 4px 16px rgba(10, 22, 40, 0.08);
    --shadow-lg: 0 8px 32px rgba(10, 22, 40, 0.12);
}

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

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

body {
    font-family: var(--font-body);
    font-weight: 300;
    color: var(--gray-800);
    background: var(--white);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}

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

/* ---------- Section Shared ---------- */
.section-tag {
    display: inline-block;
    font-family: var(--font-body);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--gold-500);
    margin-bottom: 12px;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(1.75rem, 4vw, 2.75rem);
    font-weight: 600;
    color: var(--navy-900);
    line-height: 1.2;
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 1.05rem;
    color: var(--gray-500);
    max-width: 560px;
    line-height: 1.7;
}

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

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

/* ---------- Navbar ---------- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--gray-200);
    transition: box-shadow var(--transition);
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
}

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

.logo {
    font-family: var(--font-display);
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--navy-900);
    letter-spacing: -0.01em;
}

.logo-accent {
    color: var(--gold-500);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 36px;
}

.nav-links a {
    font-size: 0.875rem;
    font-weight: 400;
    color: var(--gray-600);
    letter-spacing: 0.01em;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--gold-500);
    transition: width var(--transition);
}

.nav-links a:hover {
    color: var(--navy-900);
}

.nav-links a:hover::after {
    width: 100%;
}

.nav-cta {
    font-size: 0.875rem !important;
    font-weight: 500 !important;
    color: var(--navy-900) !important;
    background: var(--gold-100);
    border: 1px solid var(--gold-200);
    padding: 8px 20px;
    border-radius: 100px;
    transition: all var(--transition) !important;
}

.nav-cta::after {
    display: none !important;
}

.nav-cta:hover {
    background: var(--gold-500) !important;
    color: var(--white) !important;
    border-color: var(--gold-500) !important;
}

/* Mobile menu button */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    color: var(--navy-900);
}

/* Mobile overlay */
.mobile-menu-overlay {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 999;
    background: rgba(10, 22, 40, 0.5);
    backdrop-filter: blur(4px);
}

.mobile-menu-overlay.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.mobile-menu-content {
    background: var(--white);
    padding: 48px 32px;
    text-align: center;
    width: 100%;
    max-width: 360px;
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
}

.mobile-link {
    display: block;
    font-size: 1.125rem;
    color: var(--gray-700);
    padding: 16px 0;
    border-bottom: 1px solid var(--gray-100);
    transition: color var(--transition);
}

.mobile-link:hover {
    color: var(--navy-900);
}

.mobile-cta {
    display: inline-block;
    margin-top: 24px;
    background: var(--gold-500);
    color: var(--white);
    padding: 14px 32px;
    border-radius: 100px;
    font-weight: 500;
    font-size: 1rem;
}

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

.hero-bg {
    position: absolute;
    inset: 0;
    background: 
        linear-gradient(135deg, 
            var(--navy-950) 0%, 
            var(--navy-800) 30%, 
            var(--navy-700) 55%, 
            #1a4a5e 75%, 
            var(--navy-600) 100%);
    z-index: 1;
}

.hero-bg::before {
    content: '';
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(ellipse 80% 50% at 20% 80%, rgba(201, 162, 39, 0.15) 0%, transparent 60%),
        radial-gradient(ellipse 60% 40% at 80% 20%, rgba(201, 162, 39, 0.1) 0%, transparent 50%);
}

.hero-bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.02'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to bottom,
        rgba(10, 22, 40, 0.3) 0%,
        rgba(10, 22, 40, 0.1) 50%,
        rgba(10, 22, 40, 0.4) 100%
    );
    z-index: 2;
}

.hero-content {
    position: relative;
    z-index: 3;
    padding: 120px 24px 80px;
    max-width: 800px;
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 600;
    color: var(--white);
    line-height: 1.15;
    margin-bottom: 24px;
    letter-spacing: -0.02em;
}

.hero-title .highlight {
    color: var(--gold-400);
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.2rem);
    color: rgba(255, 255, 255, 0.75);
    font-weight: 300;
    line-height: 1.7;
    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;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-body);
    font-size: 0.9375rem;
    font-weight: 500;
    padding: 14px 32px;
    border-radius: 100px;
    border: none;
    cursor: pointer;
    transition: all var(--transition);
    letter-spacing: 0.01em;
}

.btn-primary {
    background: var(--gold-500);
    color: var(--navy-950);
}

.btn-primary:hover {
    background: var(--gold-300);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(201, 162, 39, 0.3);
}

.btn-outline {
    background: transparent;
    color: var(--white);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn-outline:hover {
    border-color: var(--white);
    background: rgba(255, 255, 255, 0.08);
    transform: translateY(-2px);
}

/* Scroll indicator */
.scroll-indicator {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
    color: rgba(255, 255, 255, 0.4);
    animation: float 2.5s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(8px); }
}

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

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

.service-card {
    padding: 40px 32px;
    border: 1px solid var(--gray-200);
    border-radius: 12px;
    transition: all var(--transition);
    background: var(--white);
}

.service-card:hover {
    border-color: var(--gold-200);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.service-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    background: var(--navy-900);
    color: var(--gold-400);
    margin-bottom: 24px;
}

.service-card h3 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--navy-900);
    margin-bottom: 12px;
}

.service-card p {
    font-size: 0.9375rem;
    color: var(--gray-500);
    line-height: 1.7;
}

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

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

.about-image {
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.about-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
}

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

.about-text {
    font-size: 1rem;
    color: var(--gray-600);
    line-height: 1.8;
    margin-bottom: 20px;
}

.about-features {
    margin-top: 32px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.9375rem;
    color: var(--gray-700);
    font-weight: 400;
}

.feature-item svg {
    color: var(--gold-500);
    flex-shrink: 0;
}

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

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

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

.contact-item {
    display: flex;
    gap: 20px;
}

.contact-icon {
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    background: var(--navy-900);
    color: var(--gold-400);
    flex-shrink: 0;
}

.contact-item h4 {
    font-family: var(--font-display);
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--navy-900);
    margin-bottom: 4px;
}

.contact-item p {
    font-size: 0.9375rem;
    color: var(--gray-500);
    line-height: 1.6;
}

.contact-item a {
    color: var(--gray-600);
}

.contact-item a:hover {
    color: var(--gold-500);
}

.contact-map {
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    min-height: 360px;
}

/* ---------- Footer ---------- */
.footer {
    background: var(--navy-950);
    padding: 64px 0 32px;
    color: rgba(255, 255, 255, 0.6);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    margin-bottom: 48px;
}

.footer-brand h3 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--white);
    margin-bottom: 12px;
}

.footer-brand p {
    font-size: 0.9375rem;
    line-height: 1.7;
    max-width: 320px;
}

.footer-contact p {
    font-size: 0.9375rem;
    margin-bottom: 8px;
}

.footer-contact a {
    color: var(--gold-400);
}

.footer-contact a:hover {
    color: var(--gold-300);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding-top: 24px;
    text-align: center;
    font-size: 0.8125rem;
    color: rgba(255, 255, 255, 0.35);
}

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

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .mobile-menu-btn {
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .hero-title {
        font-size: clamp(1.75rem, 6vw, 2.5rem);
    }

    .hero-actions {
        flex-direction: column;
        gap: 12px;
    }

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

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

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

    .about-image {
        order: -1;
    }

    .about-image img {
        height: 280px;
    }

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

    .about-features {
        grid-template-columns: 1fr;
    }

    .section-header {
        margin-bottom: 48px;
    }

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

    .footer-content {
        grid-template-columns: 1fr;
        gap: 32px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 20px;
    }

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

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

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