/* ==========================================
   SFERRA - Mobile Dome Rentals
   CSS Stylesheet
   ========================================== */

/* CSS Variables */
:root {
    /* Colors */
    --royal-purple: #6B46C1;
    --dark-purple: #4A2E8F;
    --light-purple: #8B6ED9;
    --purple-tint: rgba(107, 70, 193, 0.1);
    
    --charcoal: #2C2C2C;
    --gray-dark: #4A4A4A;
    --gray-mid: #6B6B6B;
    --gray-light: #A8A8A8;
    --off-white: #F8F8F8;
    --pure-white: #FFFFFF;
    
    /* Typography */
    --font-serif: 'Cormorant Garamond', serif;
    --font-sans: 'Work Sans', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    
    /* 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 32px rgba(0, 0, 0, 0.16);
    --shadow-purple: 0 4px 24px rgba(107, 70, 193, 0.2);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.6;
    color: var(--charcoal);
    background: var(--pure-white);
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-serif);
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }

p {
    margin-bottom: var(--spacing-sm);
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

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

/* ==========================================
   NAVIGATION
   ========================================== */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid rgba(107, 70, 193, 0.1);
    animation: slideDown 0.5s ease;
}

@keyframes slideDown {
    from {
        transform: translateY(-100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1.25rem var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    flex-direction: column;
}

.logo-text {
    font-family: var(--font-serif);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--charcoal);
    letter-spacing: 2px;
}

.logo-accent {
    color: var(--royal-purple);
    font-style: normal;
}

.logo-tagline {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--gray-mid);
    margin-top: -4px;
}

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

.nav-links a {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--gray-dark);
    position: relative;
    transition: color 0.3s ease;
}

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

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--royal-purple);
    transition: width 0.3s ease;
}

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

.nav-cta {
    background: var(--royal-purple);
    color: var(--pure-white) !important;
    padding: 0.5rem 1.5rem;
    border-radius: var(--radius-sm);
    transition: all 0.3s ease;
}

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

.nav-cta:hover {
    background: var(--dark-purple);
    transform: translateY(-2px);
    box-shadow: var(--shadow-purple);
}

/* ==========================================
   HERO SECTION
   ========================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding-top: 80px;
}

.hero-background {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-pattern {
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(circle at 20% 30%, rgba(107, 70, 193, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(107, 70, 193, 0.05) 0%, transparent 50%);
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--spacing-xl) var(--spacing-md);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.hero-text {
    animation: fadeInUp 0.8s ease 0.2s both;
}

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

.hero-title {
    font-size: clamp(3rem, 6vw, 5rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
}

.hero-title-line {
    display: block;
}

.hero-title-line.highlight {
    color: var(--royal-purple);
}

.hero-description {
    font-size: 1.25rem;
    color: var(--gray-dark);
    margin-bottom: var(--spacing-lg);
    font-weight: 300;
}

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

.hero-visual {
    animation: fadeIn 1s ease 0.5s both;
}

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

.dome-illustration {
    width: 100%;
    max-width: 400px;
    margin: 0 auto;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

.scroll-indicator {
    position: absolute;
    bottom: var(--spacing-md);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--gray-mid);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    animation: fadeIn 1s ease 1s both;
}

.scroll-arrow {
    width: 20px;
    height: 30px;
    border: 2px solid var(--royal-purple);
    border-radius: 15px;
    position: relative;
}

.scroll-arrow::before {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 8px;
    background: var(--royal-purple);
    border-radius: 2px;
    animation: scroll 1.5s ease-in-out infinite;
}

@keyframes scroll {
    0%, 100% { transform: translateX(-50%) translateY(0); opacity: 1; }
    50% { transform: translateX(-50%) translateY(8px); opacity: 0.5; }
}

/* ==========================================
   BUTTONS
   ========================================== */
.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    font-family: var(--font-sans);
    font-size: 1rem;
    font-weight: 500;
    text-align: center;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
}

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

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

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

.btn-secondary:hover {
    background: var(--royal-purple);
    color: var(--pure-white);
}

.btn-outline {
    background: transparent;
    color: var(--charcoal);
    border: 1px solid var(--gray-light);
}

.btn-outline:hover {
    border-color: var(--royal-purple);
    color: var(--royal-purple);
}

.btn-full {
    width: 100%;
}

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

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

.section-label {
    display: inline-block;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--royal-purple);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.section-title {
    color: var(--charcoal);
    margin-bottom: var(--spacing-md);
}

.about-text {
    font-size: 1.1rem;
    color: var(--gray-dark);
    line-height: 1.8;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.stat {
    text-align: center;
}

.stat-number {
    font-family: var(--font-serif);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--royal-purple);
    line-height: 1;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--gray-mid);
    margin-top: var(--spacing-xs);
}

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

.feature-card {
    background: var(--pure-white);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.feature-icon {
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
}

.feature-card h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xs);
    color: var(--charcoal);
}

.feature-card p {
    color: var(--gray-dark);
    font-size: 0.95rem;
    margin: 0;
}

/* ==========================================
   MODELS SECTION
   ========================================== */
.models {
    padding: var(--spacing-xl) 0;
    background: var(--pure-white);
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--spacing-lg);
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--gray-dark);
}

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

.model-card {
    background: var(--pure-white);
    border: 2px solid var(--off-white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    transition: all 0.3s ease;
    position: relative;
}

.model-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--light-purple);
}

.model-featured {
    border-color: var(--royal-purple);
    background: linear-gradient(135deg, rgba(107, 70, 193, 0.02) 0%, transparent 100%);
}

.featured-badge {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    background: var(--royal-purple);
    color: var(--pure-white);
    padding: 0.375rem 0.875rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.model-header {
    text-align: center;
    margin-bottom: var(--spacing-md);
}

.model-name {
    font-size: 1.75rem;
    color: var(--charcoal);
    margin-bottom: var(--spacing-xs);
}

.model-size {
    color: var(--gray-mid);
    font-size: 0.95rem;
}

.model-visual {
    margin: var(--spacing-md) 0;
    display: flex;
    justify-content: center;
}

.model-circle {
    width: auto;
    height: 200px;
}

.model-specs {
    background: var(--off-white);
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
}

.spec {
    display: flex;
    justify-content: space-between;
    padding: var(--spacing-xs) 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.spec:last-child {
    border-bottom: none;
}

.spec-label {
    color: var(--gray-mid);
    font-size: 0.9rem;
}

.spec-value {
    color: var(--charcoal);
    font-weight: 600;
}

.model-price {
    text-align: center;
    padding: var(--spacing-sm) 0;
    margin-bottom: var(--spacing-md);
}

.price-label {
    display: block;
    font-size: 0.85rem;
    color: var(--gray-mid);
    margin-bottom: var(--spacing-xs);
}

.price-value {
    font-family: var(--font-serif);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--royal-purple);
    line-height: 1;
}

.price-period {
    font-size: 1.25rem;
    font-weight: 400;
}

.price-note {
    display: block;
    font-size: 0.8rem;
    color: var(--gray-mid);
    margin-top: var(--spacing-xs);
}

.pricing-note {
    background: var(--purple-tint);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--royal-purple);
}

.pricing-note p {
    margin: var(--spacing-xs) 0;
    font-size: 0.95rem;
}

/* ==========================================
   APPLICATIONS SECTION
   ========================================== */
.applications {
    padding: var(--spacing-xl) 0;
    background: var(--off-white);
}

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

.application-card {
    background: var(--pure-white);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid transparent;
}

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

.application-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

.application-card h3 {
    font-size: 1.1rem;
    color: var(--charcoal);
    margin-bottom: var(--spacing-xs);
}

.application-card p {
    color: var(--gray-mid);
    font-size: 0.9rem;
    margin: 0;
}

/* ==========================================
   ADVANTAGES SECTION
   ========================================== */
.advantages {
    padding: var(--spacing-xl) 0;
    background: var(--charcoal);
    color: var(--pure-white);
}

.advantages .section-label {
    color: var(--light-purple);
}

.advantages .section-title {
    color: var(--pure-white);
    margin-bottom: var(--spacing-lg);
}

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

.advantage-item {
    display: grid;
    grid-template-columns: 80px 1fr;
    gap: var(--spacing-md);
    align-items: start;
}

.advantage-number {
    font-family: var(--font-serif);
    font-size: 3rem;
    font-weight: 700;
    color: var(--royal-purple);
    line-height: 1;
}

.advantage-content h3 {
    color: var(--pure-white);
    margin-bottom: var(--spacing-xs);
}

.advantage-content p {
    color: var(--gray-light);
    font-size: 1rem;
    line-height: 1.7;
}

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

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--spacing-xl);
}

.contact-description {
    font-size: 1.1rem;
    color: var(--gray-dark);
    margin-bottom: var(--spacing-lg);
}

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

.contact-detail {
    display: flex;
    gap: var(--spacing-sm);
    align-items: start;
}

.contact-detail-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.contact-detail strong {
    display: block;
    margin-bottom: 0.25rem;
}

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

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

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-sm);
}

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

.form-group label {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--gray-dark);
    margin-bottom: var(--spacing-xs);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 0.875rem;
    font-family: var(--font-sans);
    font-size: 1rem;
    border: 1px solid var(--gray-light);
    border-radius: var(--radius-sm);
    transition: all 0.3s ease;
    background: var(--pure-white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--royal-purple);
    box-shadow: 0 0 0 3px rgba(107, 70, 193, 0.1);
}

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

.form-message {
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
    text-align: center;
    font-weight: 500;
    display: none;
}

.form-message.success {
    display: block;
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.form-message.error {
    display: block;
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

/* ==========================================
   FOOTER
   ========================================== */
.footer {
    background: var(--charcoal);
    color: var(--pure-white);
    padding: var(--spacing-lg) 0 var(--spacing-md);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: start;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

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

.footer-tagline {
    color: var(--gray-light);
    font-style: italic;
    margin-top: var(--spacing-xs);
}

.footer-info {
    text-align: right;
}

.footer-info p {
    color: var(--gray-light);
    font-size: 0.9rem;
    margin-bottom: 0.25rem;
}

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

.footer-bottom p {
    color: var(--gray-mid);
    font-size: 0.85rem;
    margin: 0;
}
.homehero {
    width: 150%;
}

/* ==========================================
   RESPONSIVE DESIGN
   ========================================== */
@media (max-width: 1024px) {
    .homehero {
    width: 100%;
    margin-top: 50px;
}
    .hero-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .hero-visual {
        order: -1;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
    }
    
    .models-grid {
        grid-template-columns: 1fr;
    }
    
    .applications-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    :root {
        --spacing-lg: 3rem;
        --spacing-xl: 4rem;
    }
    
    .nav-links a:not(:last-child):not(:nth-last-child(2)) {
        display: none;
    }
    .nav-container {
        justify-content: start;
    }
    
    .hero {
        min-height: auto;
        padding: var(--spacing-lg) 0;
    }
    
    .hero-cta {
        flex-direction: column;
        
    }
    
    .about-stats {
        grid-template-columns: 1fr;
    }
    
    .applications-grid {
        grid-template-columns: 1fr;
    }
    
    .advantage-item {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .footer-info {
        text-align: left;
    }
}

/* ==========================================
   ANIMATIONS
   ========================================== */
@keyframes shimmer {
    0% {
        background-position: -1000px 0;
    }
    100% {
        background-position: 1000px 0;
    }
}

/* Smooth scroll padding for fixed nav */
section {
    scroll-margin-top: 80px;
}