/* ============================================
   AAA Waste Oil — Tucson, AZ
   Classic & Elegant Marketing Site
   ============================================ */

/* --- CSS Custom Properties --- */
:root {
    --color-burgundy: #6B1B2A;
    --color-burgundy-dark: #4A1220;
    --color-burgundy-light: #8B2E42;
    --color-blush: #F2D5CE;
    --color-blush-light: #FAECE8;
    --color-blush-pale: #FFF8F6;
    --color-cream: #FDF9F7;
    --color-dark: #1A1416;
    --color-text: #2C1E22;
    --color-text-light: #5C4A4E;
    --color-text-muted: #8A7076;
    --color-border: #E8D5D0;
    --color-white: #FFFFFF;

    --font-serif: 'Playfair Display', Georgia, 'Times New Roman', serif;
    --font-sans: 'Lato', 'Segoe UI', system-ui, -apple-system, sans-serif;

    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2.5rem;
    --space-xl: 4rem;
    --space-2xl: 6rem;
    --space-3xl: 8rem;

    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;

    --shadow-sm: 0 1px 3px rgba(26, 20, 22, 0.06);
    --shadow-md: 0 4px 16px rgba(26, 20, 22, 0.08);
    --shadow-lg: 0 8px 32px rgba(26, 20, 22, 0.10);
    --shadow-xl: 0 16px 48px rgba(26, 20, 22, 0.12);

    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.7;
    color: var(--color-text);
    background-color: var(--color-cream);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

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

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

a:hover {
    color: var(--color-burgundy-light);
}

h1, h2, h3, h4 {
    font-family: var(--font-serif);
    font-weight: 500;
    line-height: 1.25;
    color: var(--color-dark);
}

ul {
    list-style: none;
}

.skip-link {
    position: absolute;
    top: -100%;
    left: var(--space-sm);
    background: var(--color-burgundy);
    color: var(--color-white);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
    z-index: 1000;
    font-size: 0.875rem;
}

.skip-link:focus {
    top: var(--space-sm);
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-sans);
    font-size: 0.9375rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    padding: 0.875rem 1.75rem;
    border-radius: var(--radius-sm);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition);
    text-align: center;
    white-space: nowrap;
}

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

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

.btn-secondary {
    background: transparent;
    color: var(--color-white);
    border-color: rgba(255, 255, 255, 0.6);
}

.btn-secondary:hover {
    background: var(--color-white);
    color: var(--color-burgundy);
    border-color: var(--color-white);
}

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

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

.btn-outline-light {
    background: transparent;
    color: var(--color-white);
    border-color: rgba(255, 255, 255, 0.6);
}

.btn-outline-light:hover {
    background: var(--color-white);
    color: var(--color-burgundy);
    border-color: var(--color-white);
}

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

.btn-small {
    padding: 0.625rem 1.25rem;
    font-size: 0.875rem;
}

/* --- Header --- */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(253, 249, 247, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
    transition: box-shadow var(--transition);
}

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

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

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--color-burgundy);
    text-decoration: none;
    flex-shrink: 0;
}

.logo:hover {
    color: var(--color-burgundy);
}

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

.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.logo-name {
    font-family: var(--font-serif);
    font-size: 1.125rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    color: var(--color-burgundy);
}

.logo-tagline {
    font-family: var(--font-sans);
    font-size: 0.6875rem;
    font-weight: 400;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-text-muted);
}

.main-nav ul {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.main-nav a {
    font-family: var(--font-sans);
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--color-text);
    padding: 0.5rem 0.875rem;
    border-radius: var(--radius-sm);
    transition: all var(--transition);
}

.main-nav a:hover {
    color: var(--color-burgundy);
    background: var(--color-blush-light);
}

.nav-cta {
    background: var(--color-burgundy) !important;
    color: var(--color-white) !important;
    border-radius: var(--radius-sm) !important;
    margin-left: 0.5rem;
}

.nav-cta:hover {
    background: var(--color-burgundy-dark) !important;
    color: var(--color-white) !important;
}

/* Mobile Nav Toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    z-index: 110;
}

.nav-toggle-bar {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--color-burgundy);
    border-radius: 2px;
    transition: all var(--transition);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.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: translateY(-7px) rotate(-45deg);
}

/* --- Hero Section --- */
.hero {
    position: relative;
    min-height: 100vh;
    min-height: 100dvh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: var(--color-dark);
}

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

.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.35;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        180deg,
        rgba(26, 20, 22, 0.60) 0%,
        rgba(107, 27, 42, 0.55) 50%,
        rgba(26, 20, 22, 0.75) 100%
    );
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: var(--space-3xl) var(--space-md);
    max-width: 820px;
}

.hero-eyebrow {
    font-family: var(--font-sans);
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-blush);
    margin-bottom: var(--space-md);
}

.hero-title {
    font-family: var(--font-serif);
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 500;
    line-height: 1.15;
    color: var(--color-white);
    margin-bottom: var(--space-md);
}

.hero-title em {
    font-style: italic;
    color: var(--color-blush);
}

.hero-subtitle {
    font-family: var(--font-sans);
    font-size: clamp(1rem, 1.5vw, 1.1875rem);
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.80);
    max-width: 600px;
    margin: 0 auto var(--space-lg);
}

.hero-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    flex-wrap: wrap;
}

.hero-scroll {
    position: absolute;
    bottom: var(--space-lg);
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.75rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    font-family: var(--font-sans);
}

.hero-scroll svg {
    animation: scrollBounce 2s ease-in-out infinite;
}

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

/* --- Section Shared --- */
.section-header {
    text-align: center;
    max-width: 680px;
    margin: 0 auto var(--space-xl);
}

.section-eyebrow {
    font-family: var(--font-sans);
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-burgundy);
    margin-bottom: var(--space-sm);
}

.section-title {
    font-size: clamp(1.75rem, 3.5vw, 2.75rem);
    font-weight: 500;
    margin-bottom: var(--space-md);
    color: var(--color-dark);
}

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

.section-subtitle {
    font-size: 1.0625rem;
    line-height: 1.7;
    color: var(--color-text-light);
}

/* --- Services Section --- */
.services {
    padding: var(--space-3xl) 0;
    background: var(--color-cream);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
}

.service-card {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    transition: all var(--transition);
}

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

.service-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-blush-light);
    border-radius: var(--radius-md);
    color: var(--color-burgundy);
    margin-bottom: var(--space-md);
    transition: all var(--transition);
}

.service-card:hover .service-icon {
    background: var(--color-burgundy);
    color: var(--color-white);
}

.service-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
    color: var(--color-dark);
}

.service-description {
    font-size: 0.9375rem;
    line-height: 1.7;
    color: var(--color-text-light);
}

/* --- About Section --- */
.about {
    padding: var(--space-3xl) 0;
    background: var(--color-blush-pale);
}

.about-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
    align-items: center;
}

.about-images {
    position: relative;
    min-height: 500px;
}

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

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

.about-img-secondary {
    position: absolute;
    bottom: -40px;
    right: -30px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    border: 4px solid var(--color-white);
}

.about-img-secondary img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    display: block;
}

.about-content {
    padding: var(--space-md) 0;
}

.about-text {
    font-size: 1.0625rem;
    line-height: 1.8;
    color: var(--color-text-light);
    margin-bottom: var(--space-md);
}

.about-values {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-sm);
    margin: var(--space-lg) 0;
}

.value-item {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    font-family: var(--font-sans);
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-text);
}

.value-item svg {
    color: var(--color-burgundy);
    flex-shrink: 0;
}

/* --- Why Us Section --- */
.why-us {
    padding: var(--space-3xl) 0;
    background: var(--color-burgundy);
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-xl);
}

.why-item {
    position: relative;
    padding-left: var(--space-lg);
}

.why-number {
    position: absolute;
    left: 0;
    top: -0.25rem;
    font-family: var(--font-serif);
    font-size: 3rem;
    font-weight: 700;
    color: rgba(242, 213, 206, 0.20);
    line-height: 1;
}

.why-title {
    font-size: 1.375rem;
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: var(--space-sm);
}

.why-text {
    font-size: 1rem;
    line-height: 1.75;
    color: rgba(255, 255, 255, 0.72);
}

/* --- CTA Banner --- */
.cta-banner {
    position: relative;
    padding: var(--space-3xl) 0;
    overflow: hidden;
}

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

.cta-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.30;
}

.cta-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(74, 18, 32, 0.92) 0%,
        rgba(107, 27, 42, 0.88) 100%
    );
}

.cta-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 680px;
    margin: 0 auto;
}

.cta-eyebrow {
    font-family: var(--font-sans);
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-blush);
    margin-bottom: var(--space-sm);
}

.cta-title {
    font-size: clamp(1.75rem, 3.5vw, 2.75rem);
    font-weight: 500;
    color: var(--color-white);
    margin-bottom: var(--space-md);
}

.cta-text {
    font-size: 1.0625rem;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.80);
    margin-bottom: var(--space-lg);
}

.cta-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    flex-wrap: wrap;
}

/* --- Contact Section --- */
.contact {
    padding: var(--space-3xl) 0;
    background: var(--color-cream);
}

.contact-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
}

.contact-info {
    padding: var(--space-md) 0;
}

.contact-text {
    font-size: 1.0625rem;
    line-height: 1.75;
    color: var(--color-text-light);
    margin-bottom: var(--space-lg);
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.contact-detail {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
}

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

.contact-detail strong {
    display: block;
    font-family: var(--font-sans);
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-burgundy);
    margin-bottom: 0.25rem;
}

.contact-detail p {
    font-size: 0.9375rem;
    line-height: 1.6;
    color: var(--color-text-light);
}

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

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

/* --- Contact Form --- */
.contact-form-wrap {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    box-shadow: var(--shadow-md);
}

.form-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--space-lg);
    color: var(--color-dark);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-sm);
}

.form-group {
    margin-bottom: var(--space-sm);
}

.form-group label {
    display: block;
    font-family: var(--font-sans);
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--color-text);
    margin-bottom: 0.375rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    font-family: var(--font-sans);
    font-size: 0.9375rem;
    color: var(--color-text);
    background: var(--color-cream);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    transition: all var(--transition);
    outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--color-burgundy);
    box-shadow: 0 0 0 3px rgba(107, 27, 42, 0.10);
    background: var(--color-white);
}

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

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

.form-note {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    text-align: center;
    margin-top: var(--space-sm);
}

/* Form Success State */
.form-success {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--space-xl) var(--space-md);
    gap: var(--space-sm);
}

.form-success svg {
    color: var(--color-burgundy);
}

.form-success h3 {
    font-size: 1.5rem;
    color: var(--color-dark);
}

.form-success p {
    font-size: 1rem;
    color: var(--color-text-light);
    line-height: 1.7;
    max-width: 320px;
}

/* --- Footer --- */
.site-footer {
    background: var(--color-dark);
    color: rgba(255, 255, 255, 0.70);
}

.footer-top {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: var(--space-xl);
    padding: var(--space-xl) 0 var(--space-lg);
}

.footer-brand .logo {
    color: var(--color-blush);
    margin-bottom: var(--space-sm);
}

.footer-brand .logo-mark {
    color: var(--color-blush);
}

.footer-brand .logo-name {
    color: var(--color-blush);
}

.footer-brand .logo-tagline {
    color: rgba(255, 255, 255, 0.45);
}

.footer-desc {
    font-size: 0.9375rem;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.55);
    max-width: 320px;
}

.footer-links h4,
.footer-contact h4 {
    font-family: var(--font-sans);
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-blush);
    margin-bottom: var(--space-sm);
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.footer-links a {
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.60);
    transition: color var(--transition);
}

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

.footer-contact p {
    font-size: 0.9375rem;
    line-height: 1.7;
}

.footer-contact a {
    color: rgba(255, 255, 255, 0.70);
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding: var(--space-sm) 0;
}

.footer-bottom p {
    font-size: 0.8125rem;
    color: rgba(255, 255, 255, 0.35);
    text-align: center;
}

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

@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }

    .main-nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        height: 100dvh;
        background: var(--color-cream);
        border-left: 1px solid var(--color-border);
        padding: 5.5rem var(--space-md) var(--space-lg);
        transition: right var(--transition);
        z-index: 100;
    }

    .main-nav.open {
        right: 0;
    }

    .main-nav ul {
        flex-direction: column;
        align-items: stretch;
        gap: 0;
    }

    .main-nav a {
        padding: 0.875rem 0.5rem;
        border-bottom: 1px solid var(--color-border);
        font-size: 1rem;
    }

    .nav-cta {
        margin-left: 0 !important;
        margin-top: var(--space-sm);
        text-align: center;
        border-radius: var(--radius-sm) !important;
        border-bottom: none !important;
    }

    .hero-title {
        font-size: clamp(1.75rem, 7vw, 2.5rem);
    }

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

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

    .about-images {
        min-height: 350px;
    }

    .about-img-main img {
        height: 350px;
    }

    .about-img-secondary {
        right: -10px;
        bottom: -20px;
    }

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

    .why-grid {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }

    .why-item {
        padding-left: var(--space-md);
    }

    .why-number {
        font-size: 2.25rem;
    }

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

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

    .footer-top {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }

    .hero-scroll {
        display: none;
    }
}

@media (max-width: 480px) {
    .hero-actions {
        flex-direction: column;
        width: 100%;
    }

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

    .cta-actions {
        flex-direction: column;
        width: 100%;
    }

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

/* --- Reduced Motion --- */
@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    .hero-scroll svg {
        animation: none;
    }
}