/* ============================================
   SOFT SPECTRUM - PREMIUM WALLPAPER INSTALLATION
   Design: Elegant, Modern, Conversion-Focused
   Color Palette: Soft Neutrals (Beige, Warm Gray, Cream)
   ============================================ */

/* Google Fonts Import */
@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@600;700;800&family=Lato:wght@300;400;500;700&display=swap');

/* ============================================
   ROOT VARIABLES & RESET
   ============================================ */
:root {
    /* Colors - Soft Neutral Palette */
    --color-cream: #faf8f3;
    --color-beige: #e8dcc8;
    --color-warm-gray: #9b9080;
    --color-dark-gray: #5a5450;
    --color-charcoal: #3a3530;
    --color-accent: #c4a57b;
    --color-accent-light: #d4b896;
    --color-accent-dark: #a68a5f;
    --color-white: #ffffff;
    --color-error: #d32f2f;
    --color-success: #388e3c;
    
    /* Typography */
    --font-display: 'Playfair Display', serif;
    --font-body: 'Lato', sans-serif;
    --font-weight-light: 300;
    --font-weight-regular: 400;
    --font-weight-medium: 500;
    --font-weight-bold: 700;
    
    /* Sizing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 14px;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.15);
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-smooth: 0.5s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-charcoal);
    background-color: var(--color-cream);
}

/* ============================================
   CONTAINER & LAYOUT
   ============================================ */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

@media (max-width: 768px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
}

/* ============================================
   TYPOGRAPHY
   ============================================ */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: var(--font-weight-bold);
    color: var(--color-charcoal);
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

h1 {
    font-size: 3.5rem;
    letter-spacing: -1px;
}

h2 {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

h3 {
    font-size: 1.5rem;
}

p {
    margin-bottom: var(--spacing-md);
    font-weight: var(--font-weight-light);
    line-height: 1.8;
}

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

a:hover {
    color: var(--color-accent-dark);
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: var(--font-weight-bold);
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-normal);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
}

.btn-primary {
    background-color: var(--color-accent);
    color: var(--color-white);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    background-color: var(--color-accent-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

.btn-secondary:hover {
    background-color: var(--color-accent);
    color: var(--color-white);
    transform: translateY(-2px);
}

.btn-submit {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: 1.1rem;
}

/* ============================================
   HEADER & NAVIGATION
   ============================================ */
.header {
    background-color: var(--color-white);
    box-shadow: var(--shadow-sm);
    z-index: 100;
    transition: all var(--transition-normal);
}

.header.sticky {
    position: sticky;
    top: 0;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) 0;
}

.logo {
    font-family: var(--font-display);
    font-size: 1.8rem;
    font-weight: var(--font-weight-bold);
    color: var(--color-charcoal);
    letter-spacing: -0.5px;
}

.nav-menu {
    display: flex;
    gap: var(--spacing-xl);
    list-style: none;
}

.nav-link {
    font-weight: var(--font-weight-medium);
    color: var(--color-charcoal);
    transition: color var(--transition-fast);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-accent);
    transition: width var(--transition-normal);
}

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

/* Hamburger Menu */
.hamburger {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    gap: 5px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background-color: var(--color-charcoal);
    border-radius: 2px;
    transition: all var(--transition-normal);
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(10px, 10px);
}

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

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

.mobile-menu {
    display: none;
    flex-direction: column;
    gap: var(--spacing-md);
    padding: var(--spacing-lg) var(--spacing-md);
    background-color: var(--color-white);
    border-top: 1px solid var(--color-beige);
}

.mobile-menu.active {
    display: flex;
}

.mobile-nav-link {
    font-weight: var(--font-weight-medium);
    color: var(--color-charcoal);
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .hamburger {
        display: flex;
    }
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    position: relative;
    height: 90vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    z-index: 1;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(58, 53, 48, 0.5);
    z-index: 2;
}

.hero-content {
    position: relative;
    z-index: 3;
    text-align: center;
    color: var(--color-white);
    max-width: 800px;
    padding: var(--spacing-lg);
    animation: fadeInUp 0.8s ease-out;
}

.hero-headline {
    font-size: 3.5rem;
    margin-bottom: var(--spacing-md);
    color: var(--color-white);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-subheadline {
    font-size: 1.3rem;
    margin-bottom: var(--spacing-2xl);
    color: var(--color-beige);
    font-weight: var(--font-weight-light);
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 768px) {
    .hero {
        height: 70vh;
        min-height: 500px;
    }
    
    .hero-headline {
        font-size: 2rem;
    }
    
    .hero-subheadline {
        font-size: 1rem;
    }
    
    .hero-cta {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .btn {
        width: 100%;
    }
}

/* ============================================
   ABOUT SECTION
   ============================================ */
.about {
    padding: var(--spacing-3xl) 0;
    background-color: var(--color-white);
}

.about h2 {
    color: var(--color-charcoal);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
    max-width: 800px;
    margin: 0 auto;
}

.about-text p {
    font-size: 1.1rem;
    color: var(--color-dark-gray);
    margin-bottom: var(--spacing-md);
}

.about-text h3 {
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
    color: var(--color-accent);
}

.commitment-list {
    list-style: none;
    padding: 0;
}

.commitment-list li {
    padding: var(--spacing-sm) 0;
    padding-left: var(--spacing-lg);
    position: relative;
    color: var(--color-dark-gray);
}

.commitment-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-accent);
    font-weight: bold;
    font-size: 1.2rem;
}

/* ============================================
   SERVICES SECTION
   ============================================ */
.services {
    padding: var(--spacing-3xl) 0;
    background-color: var(--color-cream);
}

.services h2 {
    color: var(--color-charcoal);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-2xl);
    margin-top: var(--spacing-2xl);
}

.service-card {
    background-color: var(--color-white);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    text-align: center;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.service-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
    display: block;
}

.service-card h3 {
    color: var(--color-charcoal);
    margin-bottom: var(--spacing-md);
}

.service-card p {
    color: var(--color-dark-gray);
    font-size: 0.95rem;
}

/* ============================================
   WHY US SECTION
   ============================================ */
.why-us {
    padding: var(--spacing-3xl) 0;
    background-color: var(--color-white);
}

.why-us h2 {
    color: var(--color-charcoal);
}

.why-us-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-2xl);
    margin-top: var(--spacing-2xl);
}

.why-us-item {
    text-align: center;
    padding: var(--spacing-lg);
}

.why-us-icon {
    width: 60px;
    height: 60px;
    background-color: var(--color-accent);
    color: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    margin: 0 auto var(--spacing-md);
    font-weight: bold;
}

.why-us-item h3 {
    color: var(--color-charcoal);
    margin-bottom: var(--spacing-md);
}

.why-us-item p {
    color: var(--color-dark-gray);
    font-size: 0.95rem;
}

/* ============================================
   CONTACT SECTION
   ============================================ */
.contact {
    padding: var(--spacing-3xl) 0;
    background-color: var(--color-cream);
}

.contact h2 {
    color: var(--color-charcoal);
}

.contact-intro {
    text-align: center;
    font-size: 1.1rem;
    color: var(--color-dark-gray);
    margin-bottom: var(--spacing-2xl);
}

.contact-wrapper {
    max-width: 600px;
    margin: 0 auto;
}

.contact-form {
    background-color: var(--color-white);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

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

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: var(--font-weight-bold);
    color: var(--color-charcoal);
    font-size: 0.95rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-sm);
    border: 2px solid var(--color-beige);
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--color-charcoal);
    transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(196, 165, 123, 0.1);
}

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

.error-message {
    color: var(--color-error);
    font-size: 0.85rem;
    margin-top: var(--spacing-xs);
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.form-success {
    background-color: #e8f5e9;
    border: 2px solid var(--color-success);
    border-radius: var(--radius-lg);
    padding: var(--spacing-2xl);
    text-align: center;
}

.success-content h3 {
    color: var(--color-success);
    margin-bottom: var(--spacing-md);
}

.success-content p {
    color: var(--color-dark-gray);
}

/* ============================================
   MAP SECTION
   ============================================ */
.map-section {
    padding: var(--spacing-3xl) 0;
    background-color: var(--color-white);
}

.map-section h2 {
    color: var(--color-charcoal);
    margin-bottom: var(--spacing-2xl);
}

.map-container {
    width: 100%;
    height: 450px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

@media (max-width: 768px) {
    .map-container {
        height: 300px;
    }
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background-color: var(--color-charcoal);
    color: var(--color-beige);
    padding: var(--spacing-3xl) 0 var(--spacing-lg);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

.footer-section h4 {
    color: var(--color-accent);
    margin-bottom: var(--spacing-md);
    font-size: 1.1rem;
}

.footer-section p {
    color: var(--color-beige);
    font-size: 0.95rem;
    margin-bottom: var(--spacing-sm);
}

.footer-section a {
    color: var(--color-accent-light);
    transition: color var(--transition-fast);
}

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

.footer-bottom {
    border-top: 1px solid rgba(196, 165, 123, 0.2);
    padding-top: var(--spacing-lg);
    text-align: center;
    color: var(--color-warm-gray);
    font-size: 0.9rem;
}

.footer-bottom a {
    color: var(--color-accent-light);
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 1024px) {
    h1 {
        font-size: 2.5rem;
    }
    
    h2 {
        font-size: 2rem;
    }
    
    .hero-headline {
        font-size: 2.5rem;
    }
}

@media (max-width: 768px) {
    :root {
        --spacing-xl: 2rem;
        --spacing-2xl: 3rem;
        --spacing-3xl: 4rem;
    }
    
    h1 {
        font-size: 1.8rem;
    }
    
    h2 {
        font-size: 1.5rem;
        margin-bottom: var(--spacing-xl);
    }
    
    h3 {
        font-size: 1.2rem;
    }
    
    .about,
    .services,
    .why-us,
    .contact,
    .map-section {
        padding: var(--spacing-2xl) 0;
    }
    
    .services-grid,
    .why-us-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .contact-form {
        padding: var(--spacing-lg);
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
}

@media (max-width: 480px) {
    :root {
        font-size: 14px;
    }
    
    h1 {
        font-size: 1.5rem;
    }
    
    h2 {
        font-size: 1.3rem;
    }
    
    .hero-headline {
        font-size: 1.5rem;
    }
    
    .hero-subheadline {
        font-size: 0.9rem;
    }
    
    .btn {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 0.9rem;
    }
    
    .service-card,
    .why-us-item {
        padding: var(--spacing-md);
    }
}

/* ============================================
   UTILITY CLASSES
   ============================================ */
.text-center {
    text-align: center;
}

.mt-lg {
    margin-top: var(--spacing-lg);
}

.mb-lg {
    margin-bottom: var(--spacing-lg);
}

.fade-in {
    animation: fadeInUp 0.6s ease-out;
}