/* ============================================
   ALTERNATOR PLUS — Styles
   Clean Minimalist · Charcoal + Coral
   ============================================ */

/* --- CSS Custom Properties --- */
:root {
    --color-charcoal-900: #1a1f24;
    --color-charcoal-800: #2d3439;
    --color-charcoal-700: #36454F;
    --color-charcoal-600: #4a5a63;
    --color-charcoal-500: #5f7079;
    --color-charcoal-400: #8a9aa5;
    --color-charcoal-300: #b0bec5;
    --color-charcoal-200: #d4e0e7;
    --color-charcoal-100: #eaf2f5;
    --color-charcoal-50:  #f5f8fa;
    
    --color-coral-600: #D4544E;
    --color-coral-500: #FF6B6B;
    --color-coral-400: #FF8585;
    --color-coral-300: #FFA0A0;
    --color-coral-200: #FFB8B8;
    --color-coral-100: #FFD4D4;
    --color-coral-50:  #FFF0EF;
    
    --color-white: #FFFFFF;
    --color-black: #0D0D0D;
    
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-serif: 'Playfair Display', Georgia, serif;
    
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
    --spacing-4xl: 8rem;
    
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-sans);
    font-weight: 300;
    line-height: 1.7;
    color: var(--color-charcoal-700);
    background-color: var(--color-white);
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}

button {
    cursor: pointer;
    border: none;
    background: none;
    font-family: inherit;
}

/* --- Typography --- */
h1, h2, h3, h4 {
    font-family: var(--font-serif);
    font-weight: 600;
    line-height: 1.15;
    color: var(--color-charcoal-900);
}

.section-eyebrow {
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-coral-500);
    margin-bottom: var(--spacing-sm);
}

.section-title {
    font-size: clamp(2rem, 4vw, 3.25rem);
    margin-bottom: var(--spacing-lg);
    color: var(--color-charcoal-900);
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-sans);
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.02em;
    padding: 0.875rem 1.75rem;
    border-radius: var(--radius-sm);
    transition: all var(--transition-base);
    white-space: nowrap;
}

.btn-primary {
    background-color: var(--color-coral-500);
    color: var(--color-white);
    box-shadow: 0 4px 14px rgba(255, 107, 107, 0.35);
}

.btn-primary:hover {
    background-color: var(--color-coral-600);
    box-shadow: 0 6px 20px rgba(255, 107, 107, 0.45);
    transform: translateY(-1px);
}

.btn-secondary {
    background-color: transparent;
    color: var(--color-charcoal-700);
    border: 1px solid var(--color-charcoal-300);
}

.btn-secondary:hover {
    border-color: var(--color-coral-500);
    color: var(--color-coral-500);
}

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

/* --- Navigation --- */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.97);
    border-bottom: 1px solid var(--color-charcoal-100);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    transition: box-shadow var(--transition-base);
}

.nav.scrolled {
    box-shadow: 0 1px 20px rgba(26, 31, 36, 0.06);
}

.nav-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.nav-logo {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-charcoal-900);
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.nav-logo-accent {
    color: var(--color-coral-500);
    font-size: 1.5rem;
    line-height: 1;
    margin-right: 2px;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.nav-link {
    font-size: 0.875rem;
    font-weight: 400;
    color: var(--color-charcoal-600);
    transition: color var(--transition-fast);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--color-coral-500);
    transition: width var(--transition-base);
}

.nav-link:hover {
    color: var(--color-charcoal-900);
}

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

.nav-cta {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-coral-500);
    padding: 0.5rem 1rem;
    border: 1px solid var(--color-coral-500);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.nav-cta:hover {
    background-color: var(--color-coral-500);
    color: var(--color-white);
}

/* Mobile Toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 4px;
}

.nav-toggle-line {
    width: 22px;
    height: 1.5px;
    background-color: var(--color-charcoal-700);
    transition: all var(--transition-base);
    transform-origin: center;
}

.nav-toggle.active .nav-toggle-line:nth-child(1) {
    transform: rotate(45deg) translate(4px, 5px);
}

.nav-toggle.active .nav-toggle-line:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active .nav-toggle-line:nth-child(3) {
    transform: rotate(-45deg) translate(4px, -5px);
}

/* --- Hero Section --- */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 72px;
    background-color: var(--color-white);
    overflow: hidden;
}

.hero-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: var(--spacing-3xl) var(--spacing-lg);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.hero-eyebrow {
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-coral-500);
    margin-bottom: var(--spacing-md);
}

.hero-headline {
    font-size: clamp(2.75rem, 5.5vw, 4.5rem);
    font-weight: 700;
    line-height: 1.05;
    color: var(--color-charcoal-900);
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.02em;
}

.hero-subtext {
    font-size: 1.0625rem;
    line-height: 1.75;
    color: var(--color-charcoal-500);
    margin-bottom: var(--spacing-xl);
    max-width: 480px;
    font-weight: 300;
}

.hero-actions {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.hero-image-wrapper {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.hero-image-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    aspect-ratio: 6/7;
    border-radius: var(--radius-lg);
}

.hero-image-accent {
    position: absolute;
    bottom: -12px;
    right: -12px;
    width: 120px;
    height: 120px;
    background-color: var(--color-coral-100);
    border-radius: var(--radius-lg);
    z-index: -1;
}

.hero-badge {
    position: absolute;
    bottom: var(--spacing-lg);
    left: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background-color: var(--color-white);
    padding: 0.75rem 1rem;
    border-radius: var(--radius-md);
    box-shadow: 0 4px 20px rgba(26, 31, 36, 0.1);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-charcoal-700);
}

.hero-badge svg {
    color: var(--color-coral-500);
}

/* --- Section Divider --- */
.section-divider {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.section-divider::before {
    content: '';
    display: block;
    height: 1px;
    background: linear-gradient(to right, transparent, var(--color-charcoal-200), transparent);
}

/* --- About Section --- */
.about {
    padding: var(--spacing-4xl) 0;
    background-color: var(--color-charcoal-50);
}

.about-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.about-content {
    max-width: 520px;
}

.about-text {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--color-charcoal-600);
    margin-bottom: var(--spacing-md);
}

.about-stats {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--color-charcoal-200);
}

.stat {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.stat-number {
    font-family: var(--font-serif);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-charcoal-900);
}

.stat-label {
    font-size: 0.75rem;
    font-weight: 400;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-charcoal-400);
}

.stat-divider {
    width: 1px;
    height: 40px;
    background-color: var(--color-charcoal-200);
}

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

.about-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    aspect-ratio: 5/6;
    border-radius: var(--radius-lg);
}

/* --- Products Section --- */
.products {
    padding: var(--spacing-4xl) 0;
    background-color: var(--color-white);
}

.products-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.products-header {
    text-align: center;
    max-width: 560px;
    margin: 0 auto var(--spacing-3xl);
}

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

.product-card {
    background-color: var(--color-charcoal-50);
    border: 1px solid var(--color-charcoal-100);
    border-radius: var(--radius-md);
    padding: var(--spacing-xl);
    transition: all var(--transition-base);
}

.product-card:hover {
    border-color: var(--color-coral-200);
    box-shadow: 0 8px 32px rgba(255, 107, 107, 0.08);
    transform: translateY(-4px);
}

.product-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    background-color: var(--color-coral-50);
    margin-bottom: var(--spacing-md);
    color: var(--color-coral-500);
}

.product-name {
    font-family: var(--font-sans);
    font-size: 1.0625rem;
    font-weight: 600;
    color: var(--color-charcoal-900);
    margin-bottom: 0.5rem;
}

.product-desc {
    font-size: 0.9375rem;
    line-height: 1.7;
    color: var(--color-charcoal-500);
    font-weight: 300;
}

/* --- Why Us Section --- */
.why-us {
    padding: var(--spacing-4xl) 0;
    background-color: var(--color-charcoal-900);
}

.why-us-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.why-us-content {
    max-width: 520px;
}

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

.features-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.feature {
    display: flex;
    gap: var(--spacing-md);
}

.feature-number {
    font-family: var(--font-serif);
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-coral-500);
    line-height: 1;
    min-width: 48px;
    padding-top: 0.125em;
}

.feature-title {
    font-family: var(--font-sans);
    font-size: 1.0625rem;
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: 0.375rem;
}

.feature-desc {
    font-size: 0.9375rem;
    line-height: 1.7;
    color: var(--color-charcoal-400);
    font-weight: 300;
}

.why-us-image {
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.why-us-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    aspect-ratio: 13/17;
    border-radius: var(--radius-lg);
    opacity: 0.9;
}

/* --- Quote Section --- */
.quote-section {
    padding: var(--spacing-4xl) 0;
    background-color: var(--color-coral-50);
}

.quote-container {
    max-width: 768px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    text-align: center;
}

.quote-mark {
    color: var(--color-coral-300);
    margin-bottom: var(--spacing-md);
}

.quote-text {
    font-family: var(--font-serif);
    font-size: clamp(1.25rem, 2.5vw, 1.75rem);
    font-weight: 600;
    line-height: 1.5;
    color: var(--color-charcoal-800);
    margin-bottom: var(--spacing-lg);
}

.quote-attribution {
    font-size: 0.875rem;
    font-weight: 400;
    color: var(--color-charcoal-400);
    letter-spacing: 0.05em;
}

/* --- Contact Section --- */
.contact {
    padding: var(--spacing-4xl) 0;
    background-color: var(--color-white);
}

.contact-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: start;
}

.contact-intro {
    font-size: 1rem;
    line-height: 1.75;
    color: var(--color-charcoal-500);
    margin-bottom: var(--spacing-xl);
    max-width: 480px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.contact-item {
    display: flex;
    gap: var(--spacing-md);
}

.contact-icon {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    background-color: var(--color-charcoal-50);
    color: var(--color-coral-500);
    flex-shrink: 0;
}

.contact-label {
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-charcoal-400);
    margin-bottom: 0.25rem;
}

.contact-value {
    font-size: 0.9375rem;
    line-height: 1.6;
    color: var(--color-charcoal-700);
}

.contact-link {
    font-size: 0.9375rem;
    color: var(--color-coral-500);
    transition: color var(--transition-fast);
}

.contact-link:hover {
    color: var(--color-coral-600);
    text-decoration: underline;
}

/* --- Contact Form --- */
.contact-form-wrapper {
    background-color: var(--color-charcoal-50);
    border: 1px solid var(--color-charcoal-100);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
}

.form-title {
    font-family: var(--font-sans);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-charcoal-900);
    margin-bottom: var(--spacing-lg);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-label {
    display: block;
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--color-charcoal-600);
    margin-bottom: 0.375rem;
}

.form-input,
.form-textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    font-family: var(--font-sans);
    font-size: 0.9375rem;
    font-weight: 300;
    color: var(--color-charcoal-900);
    background-color: var(--color-white);
    border: 1px solid var(--color-charcoal-200);
    border-radius: var(--radius-sm);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    outline: none;
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--color-charcoal-300);
}

.form-input:focus,
.form-textarea:focus {
    border-color: var(--color-coral-500);
    box-shadow: 0 0 0 3px rgba(255, 107, 107, 0.1);
}

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

/* Form Success */
.form-success {
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--spacing-2xl) var(--spacing-lg);
    gap: var(--spacing-sm);
}

.form-success svg {
    color: var(--color-coral-500);
}

.form-success h4 {
    font-family: var(--font-sans);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-charcoal-900);
}

.form-success p {
    font-size: 0.9375rem;
    color: var(--color-charcoal-500);
}

/* --- Map Section --- */
.map-section {
    background-color: var(--color-charcoal-100);
}

.map-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: var(--spacing-xl) var(--spacing-lg) 0;
}

.map-container iframe {
    border-radius: var(--radius-lg);
    filter: grayscale(0.3);
    transition: filter var(--transition-base);
}

.map-container iframe:hover {
    filter: grayscale(0);
}

/* --- Footer --- */
.footer {
    background-color: var(--color-charcoal-900);
    padding: var(--spacing-4xl) 0 var(--spacing-lg);
}

.footer-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.footer-top {
    display: grid;
    grid-template-columns: 2fr 1fr 1.5fr;
    gap: var(--spacing-3xl);
    padding-bottom: var(--spacing-2xl);
}

.footer-logo {
    font-family: var(--font-serif);
    font-size: 1.375rem;
    font-weight: 700;
    color: var(--color-white);
    display: flex;
    align-items: center;
    gap: 0.25rem;
    margin-bottom: var(--spacing-md);
}

.footer-logo-accent {
    color: var(--color-coral-500);
    font-size: 1.625rem;
    line-height: 1;
    margin-right: 2px;
}

.footer-tagline {
    font-size: 0.9375rem;
    line-height: 1.7;
    color: var(--color-charcoal-400);
    font-weight: 300;
    max-width: 320px;
}

.footer-heading {
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-charcoal-300);
    margin-bottom: var(--spacing-md);
}

.footer-links ul,
.footer-contact ul {
    display: flex;
    flex-direction: column;
    gap: 0.625rem;
}

.footer-links a,
.footer-contact a {
    font-size: 0.9375rem;
    color: var(--color-charcoal-400);
    font-weight: 300;
    transition: color var(--transition-fast);
}

.footer-links a:hover,
.footer-contact a:hover {
    color: var(--color-coral-500);
}

.footer-contact li:not(:last-child) {
    margin-bottom: 0;
}

.footer-contact li {
    font-size: 0.9375rem;
    color: var(--color-charcoal-400);
    font-weight: 300;
    line-height: 1.6;
}

.footer-divider {
    height: 1px;
    background-color: var(--color-charcoal-700);
}

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: var(--spacing-lg);
}

.footer-copy {
    font-size: 0.8125rem;
    color: var(--color-charcoal-500);
    font-weight: 300;
}

.footer-location {
    font-size: 0.8125rem;
    color: var(--color-charcoal-500);
    font-weight: 300;
}

/* --- Scroll Reveal --- */
.reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* --- Responsive --- */
@media (max-width: 1024px) {
    .hero-container {
        gap: var(--spacing-2xl);
    }
    
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-top {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-2xl);
    }
    
    .footer-top > :first-child {
        grid-column: 1 / -1;
    }
}

@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        background-color: var(--color-white);
        flex-direction: column;
        align-items: flex-start;
        padding: var(--spacing-lg) var(--spacing-lg) var(--spacing-xl);
        gap: var(--spacing-sm);
        border-bottom: 1px solid var(--color-charcoal-100);
        box-shadow: 0 12px 32px rgba(26, 31, 36, 0.08);
        transform: translateY(-120%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-base);
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-link {
        font-size: 1rem;
        padding: 0.5rem 0;
    }
    
    .nav-cta {
        margin-top: var(--spacing-sm);
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
        padding-top: var(--spacing-2xl);
        padding-bottom: var(--spacing-2xl);
    }
    
    .hero {
        min-height: auto;
    }
    
    .hero-image-wrapper {
        max-width: 400px;
        margin: 0 auto;
    }
    
    .about-container,
    .why-us-container,
    .contact-container {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }
    
    .about-content,
    .why-us-content {
        max-width: 100%;
    }
    
    .about-image,
    .why-us-image {
        order: -1;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
        max-width: 480px;
        margin: 0 auto;
    }
    
    .footer-top {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 0.5rem;
        text-align: center;
    }
    
    .hero-actions {
        flex-direction: column;
    }
    
    .btn {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-3xl: 4rem;
        --spacing-4xl: 5rem;
    }
    
    .hero-headline {
        font-size: clamp(2.25rem, 8vw, 3rem);
    }
    
    .about-stats {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-md);
    }
    
    .stat-divider {
        display: none;
    }
    
    .contact-form-wrapper {
        padding: var(--spacing-lg);
    }
}

/* --- Reduced Motion --- */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto;
    }
    
    .reveal {
        opacity: 1;
        transform: none;
    }
}