/* ============================================
   Quality Comfort Heating & Air Conditioning
   Stylesheet
============================================ */

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

:root {
    --color-primary: #2D5A3D;
    --color-primary-light: #3A7249;
    --color-primary-dark: #1F4230;
    --color-accent: #8B5E3C;
    --color-bg: #FAFAF7;
    --color-bg-alt: #F2F4F0;
    --color-white: #FFFFFF;
    --color-text: #1A1A1A;
    --color-text-light: #4A4A4A;
    --color-text-muted: #7A7A7A;
    --color-border: #E0E2DC;
    --color-border-light: #EDEFEA;
    
    --font-heading: 'Playfair Display', Georgia, serif;
    --font-body: 'Inter', -apple-system, sans-serif;
    
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;
    
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.04), 0 1px 2px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.06), 0 2px 4px rgba(0,0,0,0.04);
    --shadow-lg: 0 12px 40px rgba(0,0,0,0.08), 0 4px 12px rgba(0,0,0,0.04);
    --shadow-xl: 0 24px 60px rgba(0,0,0,0.1);
    
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

body {
    font-family: var(--font-body);
    font-weight: 400;
    color: var(--color-text);
    background-color: var(--color-bg);
    line-height: 1.6;
    -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 {
    cursor: pointer;
    border: none;
    background: none;
    font-family: inherit;
}

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

/* --- Typography --- */
h1, h2, h3, h4 {
    font-family: var(--font-heading);
    font-weight: 400;
    line-height: 1.2;
    color: var(--color-text);
}

/* --- Section Tag --- */
.section-tag {
    display: inline-block;
    font-family: var(--font-body);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-primary);
    margin-bottom: var(--space-md);
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: var(--space-lg);
    color: var(--color-text);
}

.section-subtitle {
    font-size: 1.0625rem;
    color: var(--color-text-light);
    max-width: 540px;
    line-height: 1.7;
}

.section-header {
    margin-bottom: var(--space-3xl);
}

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

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

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

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

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

.btn-full {
    width: 100%;
    justify-content: center;
    padding: 1rem 1.75rem;
}

/* ============================================
   NAVIGATION
============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(250, 250, 247, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border-light);
    transition: all var(--transition-base);
}

.navbar.scrolled {
    background: rgba(250, 250, 247, 0.95);
    box-shadow: var(--shadow-sm);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-xl);
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-family: var(--font-heading);
    font-size: 1.125rem;
    color: var(--color-primary);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-2xl);
}

.nav-links a {
    font-size: 0.875rem;
    font-weight: 400;
    color: var(--color-text-light);
    transition: color var(--transition-fast);
    position: relative;
}

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

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

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

.nav-cta {
    font-weight: 500 !important;
    color: var(--color-primary) !important;
    border: 1px solid var(--color-primary);
    padding: 0.5rem 1.25rem;
    border-radius: var(--radius-sm);
    transition: all var(--transition-base) !important;
}

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

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

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--space-sm);
}

.nav-toggle span {
    display: block;
    width: 22px;
    height: 1.5px;
    background-color: var(--color-text);
    transition: all var(--transition-base);
}

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

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

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

/* ============================================
   HERO SECTION
============================================ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding: 120px var(--space-xl) 80px;
    overflow: hidden;
    background-color: var(--color-bg);
}

.hero-bg-pattern {
    position: absolute;
    top: 0;
    right: 0;
    width: 55%;
    height: 100%;
    background: linear-gradient(135deg, var(--color-bg-alt) 0%, var(--color-bg) 100%);
    clip-path: polygon(15% 0, 100% 0, 100% 100%, 0% 100%);
    z-index: 0;
}

.hero::before {
    content: '';
    position: absolute;
    top: 20%;
    right: 5%;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(45,90,61,0.04) 0%, transparent 70%);
    z-index: 0;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
    position: relative;
    z-index: 1;
    width: 100%;
}

.hero-content {
    max-width: 560px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--color-primary);
    margin-bottom: var(--space-xl);
    padding: 0.375rem 0;
}

.hero-badge-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: var(--color-primary);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

.hero-headline {
    font-size: clamp(2.25rem, 4.5vw, 3.5rem);
    font-weight: 400;
    line-height: 1.15;
    margin-bottom: var(--space-xl);
    color: var(--color-text);
}

.hero-headline-accent {
    font-style: italic;
    color: var(--color-primary);
}

.hero-subheadline {
    font-size: 1.0625rem;
    color: var(--color-text-light);
    line-height: 1.75;
    margin-bottom: var(--space-2xl);
    max-width: 480px;
}

.hero-actions {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
}

.hero-line {
    position: absolute;
    bottom: 0;
    left: var(--space-xl);
    right: var(--space-xl);
    height: 1px;
    background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-border) 100%);
    opacity: 0.3;
}

/* --- Floating Stat Cards --- */
.hero-stats {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    position: relative;
}

.stat-card {
    background: var(--color-white);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

.stat-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.stat-card--1 {
    margin-top: 0;
    animation: float1 6s ease-in-out infinite;
}

.stat-card--2 {
    margin-top: calc(var(--space-md) * -1);
    animation: float2 6s ease-in-out infinite 1s;
}

.stat-card--3 {
    margin-top: calc(var(--space-md) * -2);
    animation: float3 6s ease-in-out infinite 2s;
}

@keyframes float1 {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

@keyframes float2 {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-5px); }
}

@keyframes float3 {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-6px); }
}

.stat-card-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    background-color: rgba(45, 90, 61, 0.08);
    color: var(--color-primary);
    margin-bottom: var(--space-md);
}

.stat-card-number {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--space-xs);
}

.stat-card-label {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    font-weight: 400;
}

/* ============================================
   SERVICES SECTION
============================================ */
.services {
    padding: var(--space-4xl) 0;
    background-color: var(--color-white);
}

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

.service-card {
    display: grid;
    grid-template-columns: 1fr;
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-base);
}

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

.service-card-img {
    overflow: hidden;
    aspect-ratio: 400/260;
}

.service-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.service-card:hover .service-card-img img {
    transform: scale(1.03);
}

.service-card-content {
    padding: var(--space-2xl);
}

.service-card-number {
    font-family: var(--font-heading);
    font-size: 0.875rem;
    color: var(--color-text-muted);
    margin-bottom: var(--space-sm);
}

.service-card-title {
    font-size: 1.375rem;
    margin-bottom: var(--space-md);
}

.service-card-desc {
    font-size: 0.9375rem;
    color: var(--color-text-light);
    line-height: 1.7;
    margin-bottom: var(--space-lg);
}

.service-card-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-primary);
    transition: gap var(--transition-fast);
}

.service-card-link:hover {
    gap: var(--space-md);
}

/* ============================================
   ABOUT SECTION
============================================ */
.about {
    padding: var(--space-4xl) 0;
    background-color: var(--color-bg);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
}

.about-images {
    position: relative;
}

.about-img-main {
    border-radius: var(--radius-lg);
    overflow: hidden;
    aspect-ratio: 520/640;
}

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

.about-img-secondary {
    position: absolute;
    bottom: -40px;
    right: -40px;
    width: 55%;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    border: 4px solid var(--color-bg);
}

.about-experience-badge {
    position: absolute;
    top: -20px;
    left: -20px;
    background: var(--color-primary);
    color: var(--color-white);
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-lg);
}

.about-exp-number {
    display: block;
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 600;
    line-height: 1;
    margin-bottom: var(--space-xs);
}

.about-exp-text {
    font-size: 0.75rem;
    font-weight: 400;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    opacity: 0.85;
}

.about-content {
    max-width: 480px;
}

.about-text {
    font-size: 0.9375rem;
    color: var(--color-text-light);
    line-height: 1.8;
    margin-bottom: var(--space-lg);
}

.about-values {
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
    margin-top: var(--space-2xl);
}

.about-value {
    display: flex;
    gap: var(--space-lg);
    align-items: flex-start;
}

.about-value-icon {
    width: 40px;
    height: 40px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background-color: rgba(45, 90, 61, 0.08);
    color: var(--color-primary);
}

.about-value strong {
    display: block;
    font-family: var(--font-body);
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 2px;
}

.about-value span {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
}

/* ============================================
   WHY US SECTION
============================================ */
.why-us {
    padding: var(--space-4xl) 0;
    background-color: var(--color-bg-alt);
}

.why-us-header {
    text-align: center;
    margin-bottom: var(--space-3xl);
}

.why-us-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-xl);
}

.why-card {
    padding: var(--space-2xl);
    background: var(--color-white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border-light);
    transition: all var(--transition-base);
    position: relative;
}

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

.why-card-line {
    width: 32px;
    height: 1px;
    background-color: var(--color-primary);
    margin-bottom: var(--space-lg);
    transition: width var(--transition-base);
}

.why-card:hover .why-card-line {
    width: 48px;
}

.why-card-number {
    font-family: var(--font-heading);
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    margin-bottom: var(--space-md);
}

.why-card-title {
    font-size: 1.125rem;
    margin-bottom: var(--space-md);
}

.why-card-text {
    font-size: 0.875rem;
    color: var(--color-text-light);
    line-height: 1.7;
}

/* ============================================
   TESTIMONIALS SECTION
============================================ */
.testimonials {
    padding: var(--space-4xl) 0;
    background-color: var(--color-white);
}

.testimonials .section-header {
    text-align: center;
}

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

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

.testimonial-card {
    padding: var(--space-2xl);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.testimonial-card:hover {
    box-shadow: var(--shadow-md);
    border-color: transparent;
}

.testimonial-quote {
    color: var(--color-primary);
    margin-bottom: var(--space-lg);
    opacity: 0.6;
}

.testimonial-text {
    font-size: 0.9375rem;
    color: var(--color-text-light);
    line-height: 1.75;
    margin-bottom: var(--space-xl);
    font-style: italic;
}

.testimonial-author {
    border-top: 1px solid var(--color-border-light);
    padding-top: var(--space-lg);
}

.testimonial-author-name {
    font-family: var(--font-body);
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 2px;
}

.testimonial-author-location {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
}

/* ============================================
   CTA / CONTACT SECTION
============================================ */
.cta {
    padding: var(--space-4xl) 0;
    background-color: var(--color-bg);
}

.cta-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    background: var(--color-white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--color-border-light);
}

.cta-content {
    padding: var(--space-3xl);
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.cta-text {
    font-size: 0.9375rem;
    color: var(--color-text-light);
    line-height: 1.75;
    margin-bottom: var(--space-2xl);
}

.cta-contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
}

.cta-contact-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-lg);
}

.cta-contact-icon {
    width: 40px;
    height: 40px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background-color: rgba(45, 90, 61, 0.08);
    color: var(--color-primary);
}

.cta-contact-label {
    display: block;
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    margin-bottom: 2px;
}

.cta-contact-item a {
    font-size: 0.9375rem;
    color: var(--color-text);
    transition: color var(--transition-fast);
}

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

.cta-contact-item span {
    font-size: 0.9375rem;
    color: var(--color-text);
}

/* Form */
.cta-form-wrapper {
    padding: var(--space-3xl);
    border-left: 1px solid var(--color-border-light);
}

.cta-form-title {
    font-size: 1.25rem;
    margin-bottom: var(--space-xl);
}

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

.form-label {
    display: block;
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--color-text);
    margin-bottom: var(--space-sm);
}

.form-input {
    width: 100%;
    padding: 0.75rem 1rem;
    font-family: var(--font-body);
    font-size: 0.875rem;
    color: var(--color-text);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    outline: none;
}

.form-input:focus {
    border-color: var(--color-primary);
    background: var(--color-white);
    box-shadow: 0 0 0 3px rgba(45, 90, 61, 0.08);
}

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

.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12' fill='none'%3E%3Cpath d='M3 4.5l3 3 3-3' stroke='%237A7A7A' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
    cursor: pointer;
}

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

.form-success {
    display: none;
    text-align: center;
    padding: var(--space-2xl);
}

.form-success.active {
    display: block;
    animation: fadeIn 0.4s ease;
}

.form-success-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto var(--space-lg);
    border-radius: 50%;
    background-color: rgba(45, 90, 61, 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
}

.form-success-title {
    font-size: 1.25rem;
    margin-bottom: var(--space-sm);
}

.form-success-text {
    font-size: 0.875rem;
    color: var(--color-text-light);
}

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

/* ============================================
   FOOTER
============================================ */
.footer {
    padding: var(--space-3xl) 0 var(--space-xl);
    background-color: var(--color-text);
    color: rgba(255,255,255,0.7);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: var(--space-2xl);
    margin-bottom: var(--space-2xl);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-family: var(--font-heading);
    font-size: 1.125rem;
    color: var(--color-white);
    margin-bottom: var(--space-md);
}

.footer-desc {
    font-size: 0.875rem;
    line-height: 1.7;
    max-width: 280px;
}

.footer-heading {
    font-family: var(--font-body);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: rgba(255,255,255,0.4);
    margin-bottom: var(--space-lg);
}

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

.footer-links a {
    font-size: 0.875rem;
    color: rgba(255,255,255,0.6);
    transition: color var(--transition-fast);
}

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

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

.footer-contact a {
    font-size: 0.875rem;
    color: rgba(255,255,255,0.6);
    transition: color var(--transition-fast);
}

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

.footer-contact span {
    font-size: 0.875rem;
}

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

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

/* ============================================
   RESPONSIVE
============================================ */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }
    
    .hero-bg-pattern {
        width: 100%;
        opacity: 0.5;
    }
    
    .hero-stats {
        flex-direction: row;
        flex-wrap: wrap;
    }
    
    .stat-card {
        flex: 1;
        min-width: 160px;
        margin-top: 0 !important;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
    }
    
    .about-images {
        max-width: 480px;
    }
    
    .why-us-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .testimonials-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .cta-card {
        grid-template-columns: 1fr;
    }
    
    .cta-form-wrapper {
        border-left: none;
        border-top: 1px solid var(--color-border-light);
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        background: var(--color-bg);
        flex-direction: column;
        padding: var(--space-xl);
        gap: var(--space-lg);
        border-bottom: 1px solid var(--color-border);
        transform: translateY(-120%);
        transition: transform var(--transition-base);
        box-shadow: var(--shadow-md);
    }
    
    .nav-links.active {
        transform: translateY(0);
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .hero {
        padding: 100px var(--space-lg) 60px;
        min-height: auto;
    }
    
    .hero-line {
        display: none;
    }
    
    .hero-actions {
        flex-direction: column;
    }
    
    .btn {
        justify-content: center;
    }
    
    .hero-stats {
        flex-direction: column;
    }
    
    .stat-card {
        margin-top: 0 !important;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .about-images {
        max-width: 100%;
    }
    
    .about-img-secondary {
        right: 0;
        bottom: -20px;
    }
    
    .about-experience-badge {
        top: -10px;
        left: -10px;
    }
    
    .why-us-grid {
        grid-template-columns: 1fr;
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .cta-content {
        padding: var(--space-xl);
    }
    
    .cta-form-wrapper {
        padding: var(--space-xl);
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }
    
    .container {
        padding: 0 var(--space-lg);
    }
}

@media (max-width: 480px) {
    .hero-headline {
        font-size: 1.875rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .stat-card {
        padding: var(--space-lg);
    }
}