/* ============================================
   Andy's Mobile Oil Changes - Stylesheet
   Modern, responsive, mobile-first design
   ============================================ */

/* CSS Variables */
:root {
    --color-primary: #0f172a;
    --color-primary-light: #1e293b;
    --color-accent: #f59e0b;
    --color-accent-hover: #d97706;
    --color-accent-light: #fef3c7;
    --color-white: #ffffff;
    --color-gray-50: #f8fafc;
    --color-gray-100: #f1f5f9;
    --color-gray-200: #e2e8f0;
    --color-gray-300: #cbd5e1;
    --color-gray-400: #94a3b8;
    --color-gray-500: #64748b;
    --color-gray-600: #475569;
    --color-gray-700: #334155;
    --color-gray-800: #1e293b;
    --color-gray-900: #0f172a;
    --color-success: #10b981;
    --color-success-light: #d1fae5;

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

    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1), 0 10px 10px -5px rgba(0,0,0,0.04);
    --shadow-glow: 0 0 20px rgba(245, 158, 11, 0.3);

    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;

    --transition-fast: 0.15s ease;
    --transition-base: 0.25s ease;
    --transition-slow: 0.4s ease;

    --nav-height: 72px;
}

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

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

body {
    font-family: var(--font-body);
    color: var(--color-gray-700);
    line-height: 1.6;
    background: var(--color-white);
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}

/* Container */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.25rem;
}

/* Typography */
.text-accent {
    color: var(--color-accent);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-family: var(--font-body);
    font-size: 0.9375rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
    white-space: nowrap;
}

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

.btn-primary:hover {
    background: var(--color-accent-hover);
    border-color: var(--color-accent-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-glow);
}

.btn-secondary {
    background: var(--color-white);
    color: var(--color-gray-700);
    border-color: var(--color-gray-200);
}

.btn-secondary:hover {
    background: var(--color-gray-50);
    border-color: var(--color-gray-300);
    transform: translateY(-1px);
}

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

.btn-outline:hover {
    background: rgba(255,255,255,0.1);
    border-color: rgba(255,255,255,0.5);
    transform: translateY(-1px);
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1rem;
    border-radius: var(--radius-lg);
}

.btn-full {
    width: 100%;
}

/* Section Headers */
.section-header {
    text-align: center;
    max-width: 640px;
    margin: 0 auto 3rem;
}

.section-tag {
    display: inline-block;
    font-size: 0.8125rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-accent);
    background: var(--color-accent-light);
    padding: 0.375rem 0.875rem;
    border-radius: var(--radius-full);
    margin-bottom: 1rem;
}

.section-title {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 800;
    color: var(--color-gray-900);
    line-height: 1.2;
    margin-bottom: 0.75rem;
}

.section-desc {
    font-size: 1.0625rem;
    color: var(--color-gray-500);
    line-height: 1.6;
}

/* ============================================
   NAVIGATION
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--nav-height);
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-gray-100);
    z-index: 1000;
    transition: all var(--transition-base);
}

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

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

.logo {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    font-weight: 800;
    font-size: 1.125rem;
    color: var(--color-gray-900);
    text-decoration: none;
}

.logo-icon {
    width: 28px;
    height: 28px;
    color: var(--color-accent);
    flex-shrink: 0;
}

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

.nav-link {
    display: block;
    padding: 0.5rem 0.875rem;
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-gray-600);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.nav-link:hover {
    color: var(--color-gray-900);
    background: var(--color-gray-100);
}

.nav-btn {
    margin-left: 0.5rem;
    padding: 0.625rem 1.25rem;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-gray-700);
    border-radius: 2px;
    transition: all var(--transition-base);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: calc(var(--nav-height) + 3rem) 0 4rem;
    background: var(--color-primary);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 80% 60% at 20% 50%, rgba(245,158,11,0.08) 0%, transparent 60%),
        radial-gradient(ellipse 60% 50% at 80% 20%, rgba(245,158,11,0.05) 0%, transparent 50%);
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 680px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: rgba(245,158,11,0.15);
    border: 1px solid rgba(245,158,11,0.25);
    border-radius: var(--radius-full);
    color: var(--color-accent);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.hero-badge svg {
    width: 16px;
    height: 16px;
}

.hero-title {
    font-family: var(--font-display);
    font-size: 3.25rem;
    font-weight: 800;
    color: var(--color-white);
    line-height: 1.1;
    margin-bottom: 1.25rem;
}

.hero-subtitle {
    font-size: 1.125rem;
    color: var(--color-gray-400);
    line-height: 1.7;
    margin-bottom: 2rem;
    max-width: 540px;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.hero-features {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    color: var(--color-gray-300);
    font-size: 0.9375rem;
    font-weight: 500;
}

.feature-icon {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255,255,255,0.08);
    border-radius: var(--radius-md);
}

.feature-icon svg {
    width: 18px;
    height: 18px;
    color: var(--color-accent);
}

/* ============================================
   SERVICES SECTION
   ============================================ */
.services {
    padding: 5rem 0;
    background: var(--color-gray-50);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.service-card {
    background: var(--color-white);
    border: 2px solid var(--color-gray-100);
    border-radius: var(--radius-xl);
    padding: 2rem;
    transition: all var(--transition-base);
    position: relative;
}

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

.service-card.popular {
    border-color: var(--color-accent);
    box-shadow: var(--shadow-glow);
}

.popular-badge {
    position: absolute;
    top: -1px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-accent);
    color: var(--color-primary);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0.375rem 1rem;
    border-radius: 0 0 var(--radius-md) var(--radius-md);
}

.service-header {
    margin-bottom: 1rem;
}

.service-header h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-gray-900);
    margin-bottom: 0.5rem;
}

.service-price {
    display: flex;
    align-items: baseline;
    gap: 0.25rem;
}

.service-price .price {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--color-gray-900);
    line-height: 1;
}

.service-price .period {
    font-size: 0.9375rem;
    color: var(--color-gray-400);
}

.service-desc {
    font-size: 0.9375rem;
    color: var(--color-gray-500);
    line-height: 1.6;
    margin-bottom: 1.25rem;
}

.service-features {
    margin-bottom: 1.5rem;
}

.service-features li {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    font-size: 0.875rem;
    color: var(--color-gray-600);
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--color-gray-100);
}

.service-features li:last-child {
    border-bottom: none;
}

.service-features svg {
    width: 16px;
    height: 16px;
    color: var(--color-success);
    flex-shrink: 0;
}

.services-note {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    margin-top: 2rem;
    padding: 1rem 1.25rem;
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
}

.services-note svg {
    width: 20px;
    height: 20px;
    color: var(--color-gray-400);
    flex-shrink: 0;
    margin-top: 0.125rem;
}

.services-note p {
    font-size: 0.875rem;
    color: var(--color-gray-500);
    line-height: 1.5;
}

/* ============================================
   HOW IT WORKS
   ============================================ */
.how-it-works {
    padding: 5rem 0;
    background: var(--color-white);
}

.steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.step {
    text-align: center;
    position: relative;
}

.step-number {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-accent);
    color: var(--color-primary);
    font-size: 1.25rem;
    font-weight: 800;
    border-radius: var(--radius-full);
    margin: 0 auto 1.25rem;
}

.step-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-gray-50);
    border: 2px solid var(--color-gray-100);
    border-radius: var(--radius-lg);
    margin: 0 auto 1.25rem;
}

.step-icon svg {
    width: 28px;
    height: 28px;
    color: var(--color-accent);
}

.step h3 {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--color-gray-900);
    margin-bottom: 0.5rem;
}

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

/* ============================================
   SERVICE AREA
   ============================================ */
.service-area {
    padding: 5rem 0;
    background: var(--color-gray-50);
}

.area-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.area-content .section-tag {
    margin-bottom: 1rem;
}

.area-content .section-title {
    text-align: left;
    margin-bottom: 1rem;
}

.area-desc {
    font-size: 1.0625rem;
    color: var(--color-gray-500);
    line-height: 1.7;
    margin-bottom: 2rem;
}

.area-features {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.area-feature {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.area-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-white);
    border: 2px solid var(--color-gray-200);
    border-radius: var(--radius-md);
    flex-shrink: 0;
}

.area-icon svg {
    width: 22px;
    height: 22px;
    color: var(--color-accent);
}

.area-feature h4 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-gray-900);
    margin-bottom: 0.25rem;
}

.area-feature p {
    font-size: 0.9375rem;
    color: var(--color-gray-500);
}

.area-visual {
    display: flex;
    justify-content: center;
}

.area-map {
    width: 100%;
    max-width: 420px;
}

.map-circle {
    aspect-ratio: 1;
    background: var(--color-white);
    border: 2px solid var(--color-gray-200);
    border-radius: var(--radius-full);
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.map-pulse {
    position: absolute;
    width: 60%;
    height: 60%;
    background: var(--color-accent-light);
    border-radius: var(--radius-full);
    animation: pulse 3s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(0.9); opacity: 0.5; }
    50% { transform: scale(1.1); opacity: 0.3; }
}

.map-center {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.map-center svg {
    width: 40px;
    height: 40px;
    color: var(--color-accent);
}

.map-center span {
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--color-gray-700);
}

.map-legend {
    position: absolute;
    bottom: 1.5rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 1.25rem;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--color-gray-600);
}

.legend-dot {
    width: 10px;
    height: 10px;
    border-radius: var(--radius-full);
}

.legend-dot.primary {
    background: var(--color-accent);
}

.legend-dot.secondary {
    background: var(--color-accent-light);
    border: 2px solid var(--color-accent);
}

/* ============================================
   TESTIMONIALS
   ============================================ */
.testimonials {
    padding: 5rem 0;
    background: var(--color-white);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.testimonial-card {
    background: var(--color-gray-50);
    border: 1px solid var(--color-gray-100);
    border-radius: var(--radius-xl);
    padding: 2rem;
    transition: all var(--transition-base);
}

.testimonial-card:hover {
    border-color: var(--color-gray-200);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.testimonial-stars {
    display: flex;
    gap: 0.25rem;
    margin-bottom: 1rem;
}

.testimonial-stars svg {
    width: 20px;
    height: 20px;
    color: var(--color-accent);
}

.testimonial-text {
    font-size: 1rem;
    color: var(--color-gray-600);
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 0.875rem;
}

.author-avatar {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-accent);
    color: var(--color-primary);
    font-size: 0.875rem;
    font-weight: 700;
    border-radius: var(--radius-full);
}

.author-info h4 {
    font-size: 0.9375rem;
    font-weight: 700;
    color: var(--color-gray-900);
}

.author-info span {
    font-size: 0.8125rem;
    color: var(--color-gray-400);
}

/* ============================================
   BOOKING SECTION
   ============================================ */
.booking {
    padding: 5rem 0;
    background: var(--color-primary);
}

.booking .section-tag {
    background: rgba(245,158,11,0.15);
    color: var(--color-accent);
}

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

.booking .section-desc {
    color: var(--color-gray-400);
}

.booking-form {
    max-width: 800px;
    margin: 0 auto;
    background: var(--color-white);
    padding: 2.5rem;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
}

.form-group.full-width {
    grid-column: 1 / -1;
}

.form-group label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-gray-700);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 0.75rem 1rem;
    font-family: var(--font-body);
    font-size: 0.9375rem;
    color: var(--color-gray-800);
    background: var(--color-gray-50);
    border: 2px solid var(--color-gray-100);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--color-accent);
    background: var(--color-white);
    box-shadow: 0 0 0 3px rgba(245,158,11,0.15);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--color-gray-400);
}

.form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
}

.form-group textarea {
    resize: vertical;
    min-height: 80px;
}

.form-note {
    text-align: center;
    font-size: 0.875rem;
    color: var(--color-gray-400);
    margin-top: 1rem;
}

/* ============================================
   CONTACT SECTION
   ============================================ */
.contact {
    padding: 5rem 0;
    background: var(--color-gray-50);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: start;
}

.contact-info .section-tag {
    margin-bottom: 1rem;
}

.contact-info .section-title {
    text-align: left;
    margin-bottom: 1rem;
}

.contact-desc {
    font-size: 1.0625rem;
    color: var(--color-gray-500);
    line-height: 1.7;
    margin-bottom: 2rem;
}

.contact-items {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.contact-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-white);
    border: 2px solid var(--color-gray-200);
    border-radius: var(--radius-md);
    flex-shrink: 0;
}

.contact-icon svg {
    width: 22px;
    height: 22px;
    color: var(--color-accent);
}

.contact-item h4 {
    font-size: 0.9375rem;
    font-weight: 700;
    color: var(--color-gray-900);
    margin-bottom: 0.125rem;
}

.contact-item a,
.contact-item p {
    font-size: 0.9375rem;
    color: var(--color-gray-500);
    transition: color var(--transition-fast);
}

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

.contact-card {
    background: var(--color-white);
    border: 2px solid var(--color-gray-100);
    border-radius: var(--radius-xl);
    padding: 2rem;
}

.contact-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-gray-900);
    margin-bottom: 1.25rem;
}

.why-list {
    display: flex;
    flex-direction: column;
    gap: 0.875rem;
}

.why-list li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.9375rem;
    color: var(--color-gray-600);
}

.why-list svg {
    width: 18px;
    height: 18px;
    color: var(--color-success);
    flex-shrink: 0;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    padding: 4rem 0 2rem;
    background: var(--color-gray-900);
    color: var(--color-gray-400);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-brand .logo {
    color: var(--color-white);
    margin-bottom: 1rem;
}

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

.footer-links h4 {
    font-size: 0.9375rem;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.footer-links li {
    margin-bottom: 0.5rem;
}

.footer-links a {
    font-size: 0.9375rem;
    color: var(--color-gray-400);
    transition: color var(--transition-fast);
}

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

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid var(--color-gray-800);
    text-align: center;
}

.footer-bottom p {
    font-size: 0.875rem;
    margin-bottom: 0.375rem;
}

.footer-bottom p:last-child {
    color: var(--color-gray-500);
}

/* ============================================
   MODAL
   ============================================ */
.modal {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 2000;
    background: rgba(0,0,0,0.5);
    backdrop-filter: blur(4px);
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    padding: 2.5rem;
    max-width: 440px;
    width: 100%;
    text-align: center;
    box-shadow: var(--shadow-xl);
    animation: modalIn 0.3s ease;
}

@keyframes modalIn {
    from { opacity: 0; transform: scale(0.95) translateY(10px); }
    to { opacity: 1; transform: scale(1) translateY(0); }
}

.modal-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-success-light);
    border-radius: var(--radius-full);
    margin: 0 auto 1.25rem;
}

.modal-icon svg {
    width: 32px;
    height: 32px;
    color: var(--color-success);
}

.modal-content h3 {
    font-size: 1.375rem;
    font-weight: 700;
    color: var(--color-gray-900);
    margin-bottom: 0.75rem;
}

.modal-content p {
    font-size: 0.9375rem;
    color: var(--color-gray-500);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

/* Tablet (768px - 991px) */
@media (max-width: 991px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .service-card:last-child {
        grid-column: 1 / -1;
        max-width: 50%;
        margin: 0 auto;
    }

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

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

    .testimonial-card:last-child {
        grid-column: 1 / -1;
        max-width: 50%;
        margin: 0 auto;
    }

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

    .footer-brand {
        grid-column: 1 / -1;
    }
}

/* Mobile (up to 767px) */
@media (max-width: 767px) {
    :root {
        --nav-height: 64px;
    }

    .section-title {
        font-size: 1.625rem;
    }

    /* Navigation */
    .nav-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: var(--nav-height);
        left: 0;
        right: 0;
        background: var(--color-white);
        border-bottom: 1px solid var(--color-gray-100);
        padding: 1rem;
        flex-direction: column;
        gap: 0.25rem;
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-base);
        box-shadow: var(--shadow-lg);
    }

    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .nav-link {
        padding: 0.875rem 1rem;
        font-size: 1rem;
        width: 100%;
        text-align: center;
    }

    .nav-btn {
        margin: 0.5rem 0 0;
        width: 100%;
    }

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

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

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

    /* Hero */
    .hero {
        padding: calc(var(--nav-height) + 2rem) 0 3rem;
        min-height: auto;
    }

    .hero-title {
        font-size: 2.25rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .hero-cta {
        flex-direction: column;
    }

    .hero-cta .btn {
        width: 100%;
    }

    .hero-features {
        flex-direction: column;
        gap: 1rem;
    }

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

    .service-card:last-child {
        max-width: none;
        margin: 0;
    }

    .service-price .price {
        font-size: 2rem;
    }

    /* How it works */
    .steps {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }

    .step {
        max-width: 320px;
        margin: 0 auto;
    }

    /* Service area */
    .area-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }

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

    .area-desc {
        text-align: center;
    }

    .area-features {
        max-width: 400px;
        margin: 0 auto;
    }

    .area-map {
        max-width: 320px;
        margin: 0 auto;
    }

    /* Testimonials */
    .testimonials-grid {
        grid-template-columns: 1fr;
    }

    .testimonial-card:last-child {
        max-width: none;
        margin: 0;
    }

    /* Booking */
    .booking-form {
        padding: 1.5rem;
    }

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

    /* Contact */
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }

    .contact-info .section-title {
        text-align: center;
    }

    .contact-desc {
        text-align: center;
    }

    .contact-items {
        max-width: 320px;
        margin: 0 auto;
    }

    .contact-card {
        max-width: 480px;
        margin: 0 auto;
    }

    /* Footer */
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }

    .footer-brand {
        display: flex;
        flex-direction: column;
        align-items: center;
    }

    .footer-brand p {
        max-width: none;
    }

    .footer-links {
        text-align: center;
    }
}

/* Small Mobile (up to 480px) */
@media (max-width: 480px) {
    html {
        font-size: 15px;
    }

    .container {
        padding: 0 1rem;
    }

    .hero-title {
        font-size: 1.875rem;
    }

    .service-card {
        padding: 1.5rem;
    }

    .booking-form {
        padding: 1.25rem;
    }

    .modal-content {
        padding: 1.75rem;
    }
}

/* ============================================
   UTILITY ANIMATIONS
   ============================================ */

.fade-in {
    animation: fadeIn 0.5s ease forwards;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}