/* ============================================
   Nichols Power Wheels & Motorsports
   Stylesheet
   ============================================ */

/* --- CSS Custom Properties --- */
:root {
    --color-charcoal: #2D2D2D;
    --color-charcoal-deep: #1A1A1A;
    --color-charcoal-light: #3D3D3D;
    --color-charcoal-muted: #5A5A5A;
    --color-coral: #E8634B;
    --color-coral-light: #F2836E;
    --color-coral-dark: #D4503A;
    --color-cream: #FAF7F5;
    --color-cream-dark: #F3EDE8;
    --color-white: #FFFFFF;
    --color-text: #2D2D2D;
    --color-text-light: #5A5A5A;
    --color-text-muted: #8A8A8A;
    --color-border: #E8E0DA;
    --color-success: #4CAF50;

    --font-heading: 'Playfair Display', Georgia, serif;
    --font-body: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;

    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --radius-full: 9999px;

    --shadow-sm: 0 1px 3px rgba(45, 45, 45, 0.06), 0 1px 2px rgba(45, 45, 45, 0.04);
    --shadow-md: 0 4px 16px rgba(45, 45, 45, 0.08), 0 2px 4px rgba(45, 45, 45, 0.04);
    --shadow-lg: 0 12px 40px rgba(45, 45, 45, 0.12), 0 4px 12px rgba(45, 45, 45, 0.06);
    --shadow-xl: 0 24px 60px rgba(45, 45, 45, 0.15), 0 8px 20px rgba(45, 45, 45, 0.08);

    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;

    --container-max: 1200px;
    --header-height: 76px;
}

/* --- 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-body);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-cream);
    -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;
}

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

ul, ol {
    list-style: none;
}

/* --- Accessibility --- */
.skip-link {
    position: absolute;
    top: -100%;
    left: 16px;
    padding: 12px 24px;
    background: var(--color-coral);
    color: var(--color-white);
    border-radius: var(--radius-sm);
    z-index: 1000;
    font-weight: 600;
    transition: top var(--transition-fast);
}

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

/* --- Container --- */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
}

@media (min-width: 768px) {
    .container {
        padding: 0 40px;
    }
}

@media (min-width: 1024px) {
    .container {
        padding: 0 48px;
    }
}

/* --- Typography --- */
h1, h2, h3, h4 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-charcoal);
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: var(--radius-full);
    font-family: var(--font-body);
    font-size: 15px;
    font-weight: 600;
    transition: all var(--transition-base);
    white-space: nowrap;
}

.btn-primary {
    background: var(--color-coral);
    color: var(--color-white);
    box-shadow: 0 4px 16px rgba(232, 99, 75, 0.35);
}

.btn-primary:hover {
    background: var(--color-coral-dark);
    box-shadow: 0 6px 24px rgba(232, 99, 75, 0.45);
    transform: translateY(-2px);
}

.btn-secondary {
    background: var(--color-white);
    color: var(--color-charcoal);
    border: 2px solid var(--color-border);
}

.btn-secondary:hover {
    border-color: var(--color-coral);
    color: var(--color-coral);
    transform: translateY(-2px);
}

.btn-outline-light {
    background: transparent;
    color: var(--color-charcoal);
    border: 2px solid var(--color-charcoal);
}

.btn-outline-light:hover {
    background: var(--color-charcoal);
    color: var(--color-white);
    transform: translateY(-2px);
}

.btn-lg {
    padding: 18px 36px;
    font-size: 16px;
}

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

/* --- Section Tags --- */
.section-tag {
    display: inline-block;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-coral);
    margin-bottom: 12px;
}

.section-tag-light {
    color: var(--color-coral-light);
}

/* --- Section Titles --- */
.section-title {
    font-size: clamp(28px, 4vw, 48px);
    margin-bottom: 16px;
    color: var(--color-charcoal);
}

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

.text-coral {
    color: var(--color-coral);
}

.text-coral-light {
    color: var(--color-coral-dark);
}

/* --- Section Descriptions --- */
.section-desc,
.contact-desc {
    font-size: 17px;
    color: var(--color-text-light);
    max-width: 560px;
    line-height: 1.7;
}

.section-header {
    text-align: center;
    margin-bottom: 56px;
}

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

.section-header-light {
    margin-bottom: 64px;
}

/* ============================================
   HEADER
   ============================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background: rgba(250, 247, 245, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border);
    z-index: 100;
    transition: all var(--transition-base);
}

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

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
}

.logo-name {
    font-family: var(--font-heading);
    font-size: 18px;
    font-weight: 700;
    color: var(--color-charcoal);
}

.logo-sub {
    font-size: 11px;
    font-weight: 500;
    color: var(--color-text-muted);
    letter-spacing: 0.04em;
}

/* Navigation */
.nav-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: var(--radius-sm);
    transition: background var(--transition-fast);
}

.nav-toggle:hover {
    background: var(--color-cream-dark);
}

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

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

.hamburger::before { top: -7px; }
.hamburger::after { bottom: -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 {
    bottom: 0;
    transform: rotate(-45deg);
}

.nav-menu {
    display: none;
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--color-cream);
    border-bottom: 1px solid var(--color-border);
    padding: 16px 24px 24px;
    box-shadow: var(--shadow-lg);
}

.nav-menu.active {
    display: block;
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from { opacity: 0; transform: translateY(-8px); }
    to { opacity: 1; transform: translateY(0); }
}

.nav-menu li {
    border-bottom: 1px solid var(--color-border);
}

.nav-menu li:last-child {
    border-bottom: none;
}

.nav-link {
    display: block;
    padding: 14px 8px;
    font-size: 15px;
    font-weight: 500;
    color: var(--color-charcoal);
    transition: color var(--transition-fast);
}

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

.nav-cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-top: 12px;
    padding: 12px 24px;
    background: var(--color-coral);
    color: var(--color-white) !important;
    border-radius: var(--radius-full);
    font-weight: 600;
}

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

/* ============================================
   HERO
   ============================================ */
.hero {
    padding-top: calc(var(--header-height) + 48px);
    padding-bottom: 80px;
    background: var(--color-cream);
    overflow: hidden;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr;
    gap: 48px;
    align-items: center;
}

/* Hero Content */
.hero-content {
    max-width: 560px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    font-size: 13px;
    font-weight: 600;
    color: var(--color-charcoal-muted);
    margin-bottom: 24px;
}

.hero-title {
    font-size: clamp(36px, 5vw, 60px);
    line-height: 1.08;
    margin-bottom: 24px;
    color: var(--color-charcoal-deep);
}

.hero-description {
    font-size: 18px;
    line-height: 1.7;
    color: var(--color-text-light);
    margin-bottom: 36px;
    max-width: 480px;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 48px;
}

.hero-stats {
    display: flex;
    align-items: center;
    gap: 24px;
}

.stat {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-family: var(--font-heading);
    font-size: 20px;
    font-weight: 700;
    color: var(--color-charcoal);
}

.stat-label {
    font-size: 13px;
    color: var(--color-text-muted);
}

.stat-divider {
    width: 1px;
    height: 36px;
    background: var(--color-border);
}

/* Hero Image */
.hero-image {
    position: relative;
}

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

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

.hero-image-accent {
    position: absolute;
    inset: 0;
    border-radius: var(--radius-xl);
    border: 2px solid rgba(232, 99, 75, 0.2);
    pointer-events: none;
}

.hero-card {
    position: absolute;
    bottom: -24px;
    left: -24px;
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px 24px;
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    max-width: 280px;
}

.hero-card-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(232, 99, 75, 0.1);
    border-radius: var(--radius-md);
}

.hero-card-text {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-charcoal);
    line-height: 1.4;
}

.hero-card-sub {
    font-size: 13px;
    color: var(--color-text-muted);
    margin-top: 2px;
}

/* ============================================
   SERVICES
   ============================================ */
.services {
    padding: 96px 0;
    background: var(--color-white);
}

.services-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}

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

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

.service-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(232, 99, 75, 0.1);
    border-radius: var(--radius-md);
    margin-bottom: 20px;
}

.service-title {
    font-family: var(--font-heading);
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--color-charcoal);
}

.service-desc {
    font-size: 15px;
    line-height: 1.7;
    color: var(--color-text-light);
}

/* ============================================
   ABOUT
   ============================================ */
.about {
    padding: 96px 0;
    background: var(--color-cream);
}

.about-container {
    display: grid;
    grid-template-columns: 1fr;
    gap: 48px;
    align-items: center;
}

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

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

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

.about-image-secondary {
    position: absolute;
    bottom: -32px;
    right: -16px;
    width: 55%;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    border: 4px solid var(--color-cream);
}

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

.about-experience-badge {
    position: absolute;
    top: -20px;
    right: -12px;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 16px 20px;
    background: var(--color-coral);
    border-radius: var(--radius-lg);
    color: var(--color-white);
    box-shadow: var(--shadow-lg);
}

.about-experience-badge .exp-number {
    font-family: var(--font-heading);
    font-size: 24px;
    font-weight: 700;
    line-height: 1;
}

.about-experience-badge .exp-text {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    opacity: 0.9;
}

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

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

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

.value-item {
    display: flex;
    align-items: flex-start;
    gap: 14px;
}

.value-check {
    flex-shrink: 0;
    margin-top: 2px;
}

.value-item span {
    font-size: 15px;
    line-height: 1.6;
    color: var(--color-charcoal);
    font-weight: 500;
}

/* ============================================
   WHY US
   ============================================ */
.why-us {
    padding: 96px 0;
    background: var(--color-white);
}

.why-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}

.why-card {
    padding: 36px;
    background: var(--color-cream);
    border-radius: var(--radius-lg);
    border: 1px solid transparent;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.why-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--color-coral);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-base);
}

.why-card:hover::before {
    transform: scaleX(1);
}

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

.why-card-number {
    font-family: var(--font-heading);
    font-size: 48px;
    font-weight: 800;
    color: var(--color-coral);
    opacity: 0.15;
    line-height: 1;
    margin-bottom: 16px;
}

.why-card-title {
    font-family: var(--font-heading);
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--color-charcoal);
}

.why-card-desc {
    font-size: 15px;
    line-height: 1.7;
    color: var(--color-text-light);
}

/* ============================================
   CTA
   ============================================ */
.cta {
    padding: 96px 0;
    background: var(--color-cream);
}

.cta-card {
    position: relative;
    background: var(--color-charcoal);
    border-radius: var(--radius-xl);
    padding: 64px 40px;
    overflow: hidden;
}

.cta-pattern {
    position: absolute;
    inset: 0;
    opacity: 0.04;
    background-image: radial-gradient(circle at 2px 2px, var(--color-coral) 1px, transparent 0);
    background-size: 32px 32px;
    pointer-events: none;
}

.cta-content {
    position: relative;
    text-align: center;
    max-width: 640px;
    margin: 0 auto;
}

.cta-title {
    font-size: clamp(28px, 4vw, 42px);
    color: var(--color-white);
    margin-bottom: 16px;
}

.cta-desc {
    font-size: 17px;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 36px;
}

.cta-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
}

.btn-outline-light {
    border-color: rgba(255, 255, 255, 0.4);
    color: var(--color-white);
}

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

/* ============================================
   CONTACT
   ============================================ */
.contact {
    padding: 96px 0;
    background: var(--color-white);
}

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

.contact-info {
    max-width: 440px;
}

.contact-desc {
    margin-bottom: 36px;
}

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

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

.contact-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(232, 99, 75, 0.1);
    border-radius: var(--radius-md);
}

.contact-item strong {
    display: block;
    font-size: 15px;
    font-weight: 600;
    color: var(--color-charcoal);
    margin-bottom: 4px;
}

.contact-item p {
    font-size: 14px;
    color: var(--color-text-light);
    line-height: 1.6;
}

.contact-item a {
    color: var(--color-coral);
    transition: color var(--transition-fast);
}

.contact-item a:hover {
    color: var(--color-coral-dark);
    text-decoration: underline;
}

/* Contact Form */
.contact-form-wrapper {
    background: var(--color-cream);
    border-radius: var(--radius-xl);
    padding: 36px;
    border: 1px solid var(--color-border);
}

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

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

.form-group label {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-charcoal);
}

.form-group input,
.form-group textarea {
    padding: 14px 16px;
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-size: 15px;
    color: var(--color-charcoal);
    background: var(--color-white);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    outline: none;
}

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

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--color-coral);
    box-shadow: 0 0 0 3px rgba(232, 99, 75, 0.12);
}

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

.form-success {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    background: rgba(232, 99, 75, 0.08);
    border-radius: var(--radius-md);
    border: 1px solid rgba(232, 99, 75, 0.2);
}

.form-success p {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-charcoal);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: var(--color-charcoal-deep);
    color: rgba(255, 255, 255, 0.7);
    padding: 64px 0 0;
}

.footer-top {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
    padding-bottom: 48px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-brand {
    max-width: 320px;
}

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

.footer .logo-sub {
    color: rgba(255, 255, 255, 0.5);
}

.footer-tagline {
    font-size: 14px;
    line-height: 1.7;
    margin-top: 16px;
    color: rgba(255, 255, 255, 0.5);
}

.footer-links h4,
.footer-contact h4 {
    font-family: var(--font-body);
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-white);
    margin-bottom: 20px;
}

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

.footer-links a,
.footer-contact a {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
    transition: color var(--transition-fast);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

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

.footer-contact li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 14px;
    line-height: 1.6;
}

.footer-contact svg {
    flex-shrink: 0;
    margin-top: 3px;
    color: var(--color-coral);
}

.footer-bottom {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 24px 0;
    text-align: center;
}

.footer-bottom p {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.4);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (min-width: 768px) {
    .hero-container {
        grid-template-columns: 1fr 1fr;
        gap: 64px;
    }

    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .about-container {
        grid-template-columns: 1fr 1fr;
        gap: 64px;
    }

    .why-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .contact-grid {
        grid-template-columns: 1fr 1fr;
        gap: 64px;
    }

    .footer-top {
        grid-template-columns: 2fr 1fr 1.5fr;
    }

    .footer-bottom {
        flex-direction: row;
        justify-content: space-between;
        text-align: left;
    }
}

@media (min-width: 1024px) {
    .nav-toggle {
        display: none;
    }

    .nav-menu {
        display: flex !important;
        position: static;
        background: none;
        border: none;
        padding: 0;
        box-shadow: none;
        gap: 8px;
        animation: none;
    }

    .nav-menu li {
        border-bottom: none;
    }

    .nav-link {
        padding: 8px 16px;
        font-size: 14px;
    }

    .nav-cta {
        margin-top: 0;
        padding: 10px 24px;
    }

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

    .why-grid {
        grid-template-columns: repeat(4, 1fr);
    }

    .hero-card {
        bottom: -32px;
        left: -32px;
    }
}

@media (min-width: 1280px) {
    .hero-title {
        font-size: 64px;
    }
}

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