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

:root {
    /* Colors - Lake & Snow Theme */
    --primary: #0ea5e9; /* Sky Blue - 湖水蓝 */
    --primary-dark: #0284c7;
    --primary-light: #38bdf8;
    --secondary: #06b6d4; /* Cyan - 冰蓝 */
    --accent: #67e8f9; /* Light Cyan - 雪白蓝 */
    --dark: #0c4a6e; /* Deep Blue - 深湖蓝 */
    --dark-light: #075985;
    --gray: #64748b;
    --gray-light: #cbd5e1;
    --gray-lighter: #f0f9ff;
    --white: #ffffff;
    --success: #10b981;
    --warning: #f59e0b;
    --ice-blue: #e0f2fe; /* 冰雪色 */
    --lake-deep: #0369a1; /* 深湖色 */
    
    /* Gradients - Lake & Snow Theme */
    --gradient-primary: linear-gradient(135deg, #0ea5e9 0%, #06b6d4 100%);
    --gradient-secondary: linear-gradient(135deg, #38bdf8 0%, #67e8f9 100%);
    --gradient-lake: linear-gradient(180deg, #e0f2fe 0%, #bae6fd 50%, #7dd3fc 100%);
    --gradient-ice: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 50%, #bae6fd 100%);
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    
    /* Transitions */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 100px;
}

/* Anchor offset for navigation */
#discount,
#contact-info {
    scroll-margin-top: 100px;
}

body {
    font-family: var(--font-family);
    line-height: 1.6;
    color: var(--dark);
    background: linear-gradient(180deg, #f0f9ff 0%, #ffffff 100%);
    overflow-x: hidden;
    position: relative;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 15% 15%, rgba(14, 165, 233, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 85% 85%, rgba(6, 182, 212, 0.03) 0%, transparent 50%);
    pointer-events: none;
    z-index: -1;
}

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

/* ===================================
   Navigation
   =================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(240, 249, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 6px -1px rgba(14, 165, 233, 0.1);
    z-index: 1000;
    transition: var(--transition);
    border-bottom: 1px solid rgba(14, 165, 233, 0.1);
}

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

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

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--dark);
    text-decoration: none;
}

.logo-icon {
    width: 40px;
    height: 40px;
    color: var(--primary);
}

.logo-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.nav-link {
    color: var(--dark);
    text-decoration: none;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    transition: var(--transition);
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%) scaleX(0);
    width: 80%;
    height: 2px;
    background: var(--gradient-primary);
    transition: var(--transition);
}

.nav-link:hover::after,
.nav-link.active::after {
    transform: translateX(-50%) scaleX(1);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 0.25rem;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--dark);
    border-radius: 3px;
    transition: var(--transition);
}

/* ===================================
   Hero Section
   =================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: calc(80px + var(--spacing-md)) var(--spacing-sm) var(--spacing-lg);
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(180deg, #e0f2fe 0%, #bae6fd 30%, #7dd3fc 60%, #38bdf8 100%);
    z-index: -2;
    overflow: hidden;
}

/* Lake Water Ripple Effect */
.hero-background::before {
    content: '';
    position: absolute;
    top: 0;
    left: -50%;
    width: 200%;
    height: 100%;
    background: 
        radial-gradient(ellipse at 20% 30%, rgba(255, 255, 255, 0.3) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 70%, rgba(255, 255, 255, 0.2) 0%, transparent 50%),
        radial-gradient(ellipse at 40% 80%, rgba(6, 182, 212, 0.2) 0%, transparent 60%);
    animation: waterRipple 15s ease-in-out infinite;
}

/* Ice Crystal Effect */
.hero-background::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 10% 20%, rgba(255, 255, 255, 0.8) 1px, transparent 1px),
        radial-gradient(circle at 90% 80%, rgba(255, 255, 255, 0.6) 1px, transparent 1px),
        radial-gradient(circle at 50% 50%, rgba(255, 255, 255, 0.4) 1px, transparent 1px),
        radial-gradient(circle at 30% 70%, rgba(255, 255, 255, 0.7) 1px, transparent 1px),
        radial-gradient(circle at 70% 30%, rgba(255, 255, 255, 0.5) 1px, transparent 1px);
    background-size: 200px 200px, 300px 300px, 250px 250px, 180px 180px, 220px 220px;
    background-position: 0 0, 50px 50px, 100px 100px, 150px 150px, 200px 200px;
    animation: sparkle 20s linear infinite;
    opacity: 0.6;
}

@keyframes waterRipple {
    0%, 100% {
        transform: translateX(0) scale(1);
        opacity: 0.8;
    }
    50% {
        transform: translateX(5%) scale(1.05);
        opacity: 1;
    }
}

@keyframes sparkle {
    0% {
        transform: translateY(0) rotate(0deg);
    }
    100% {
        transform: translateY(-100px) rotate(360deg);
    }
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    50% {
        transform: translate(50px, 50px) scale(1.1);
    }
}

.hero-content {
    text-align: center;
    max-width: 800px;
    animation: fadeInUp 1s ease-out;
    position: relative;
    z-index: 10;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    padding: var(--spacing-md);
    border-radius: 2rem;
    border: 1px solid rgba(255, 255, 255, 0.3);
    box-shadow: 0 8px 32px rgba(14, 165, 233, 0.2);
}

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

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
}

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(1.125rem, 2vw, 1.5rem);
    color: var(--gray);
    margin-bottom: var(--spacing-md);
}

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


.scroll-indicator {
    position: absolute;
    bottom: var(--spacing-md);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: rgba(12, 74, 110, 0.8);
    animation: bounce 2s ease-in-out infinite;
    background: rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
    padding: 0.75rem 1.5rem;
    border-radius: 2rem;
    border: 1px solid rgba(255, 255, 255, 0.5);
}

@keyframes bounce {
    0%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    50% {
        transform: translateX(-50%) translateY(-10px);
    }
}

.scroll-indicator svg {
    color: var(--primary);
    filter: drop-shadow(0 0 4px rgba(14, 165, 233, 0.5));
}

/* ===================================
   Buttons
   =================================== */
.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: 0.75rem;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

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

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

.btn-primary:disabled {
    background: var(--gray-light);
    cursor: not-allowed;
    box-shadow: none;
}

.btn-primary:disabled:hover {
    transform: none;
}

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

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

/* ===================================
   Section Styles
   =================================== */
section {
    padding: var(--spacing-xl) var(--spacing-sm);
}

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

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.section-subtitle {
    font-size: 1.25rem;
    color: var(--gray);
}

/* ===================================
   About Section
   =================================== */
.about {
    background: linear-gradient(180deg, #ffffff 0%, #f0f9ff 50%, #e0f2fe 100%);
    position: relative;
}

.about::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 200px;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 120"><path d="M0,60 Q300,20 600,60 T1200,60 L1200,120 L0,120 Z" fill="%23e0f2fe" opacity="0.5"/></svg>') no-repeat bottom;
    background-size: cover;
    pointer-events: none;
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.about-content h3 {
    font-size: 1.75rem;
    margin-bottom: var(--spacing-sm);
    color: var(--dark);
}

.about-content p {
    font-size: 1.125rem;
    color: var(--gray);
    margin-bottom: var(--spacing-sm);
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: var(--spacing-sm);
}

.stat-card {
    background: var(--gradient-primary);
    padding: var(--spacing-md);
    border-radius: 1rem;
    text-align: center;
    color: var(--white);
    box-shadow: 0 10px 15px -3px rgba(14, 165, 233, 0.3);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.2) 0%, transparent 70%);
    animation: shimmer 3s ease-in-out infinite;
}

@keyframes shimmer {
    0%, 100% {
        transform: translate(0, 0);
    }
    50% {
        transform: translate(10%, 10%);
    }
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.stat-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 1;
}

.stat-icon svg {
    width: 40px;
    height: 40px;
    color: var(--white);
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    position: relative;
    z-index: 1;
}

.stat-label {
    font-size: 1.125rem;
    font-weight: 600;
    position: relative;
    z-index: 1;
}

.stat-desc {
    font-size: 0.875rem;
    opacity: 0.9;
    position: relative;
    z-index: 1;
}

/* Features */
.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.feature-card {
    padding: var(--spacing-md);
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    border-radius: 1rem;
    transition: var(--transition);
    border: 1px solid rgba(14, 165, 233, 0.1);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.6), transparent);
    transition: left 0.5s;
}

.feature-card:hover::before {
    left: 100%;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px -5px rgba(14, 165, 233, 0.3);
    background: linear-gradient(135deg, #ffffff 0%, #f0f9ff 100%);
    border-color: rgba(14, 165, 233, 0.3);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-sm);
    box-shadow: 0 4px 15px rgba(14, 165, 233, 0.3);
    position: relative;
    overflow: hidden;
}

.feature-icon::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.3) 0%, transparent 70%);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(0.8);
        opacity: 0.5;
    }
    50% {
        transform: scale(1.2);
        opacity: 1;
    }
}

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

.feature-card h4 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xs);
    color: var(--dark);
}

.feature-card p {
    color: var(--gray);
}

/* ===================================
   Products Section
   =================================== */
.products {
    background: linear-gradient(180deg, #e0f2fe 0%, #f0f9ff 50%, #ffffff 100%);
    position: relative;
}

.products::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 300px;
    background: radial-gradient(ellipse at top, rgba(14, 165, 233, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-md);
}

.product-card {
    background: var(--white);
    padding: var(--spacing-md);
    border-radius: 1.5rem;
    box-shadow: 0 4px 6px -1px rgba(14, 165, 233, 0.1);
    transition: var(--transition);
    position: relative;
    border: 2px solid transparent;
    overflow: hidden;
}

.product-card::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(103, 232, 249, 0.1) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.5s;
}

.product-card:hover::after {
    opacity: 1;
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 25px -5px rgba(14, 165, 233, 0.3);
    border-color: var(--primary-light);
}

.product-card.featured {
    border-color: var(--primary);
    background: linear-gradient(135deg, #ffffff 0%, #e0f2fe 100%);
    box-shadow: 0 10px 15px -3px rgba(14, 165, 233, 0.2);
}

.product-badge {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    background: var(--gradient-primary);
    color: var(--white);
    padding: 0.5rem 1rem;
    border-radius: 2rem;
    font-size: 0.875rem;
    font-weight: 600;
}

.product-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-secondary);
    border-radius: 1.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-sm);
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(14, 165, 233, 0.3);
}

.product-icon::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    animation: iconShine 3s ease-in-out infinite;
}

@keyframes iconShine {
    0% {
        transform: translateX(-100%) translateY(-100%) rotate(45deg);
    }
    100% {
        transform: translateX(100%) translateY(100%) rotate(45deg);
    }
}

.product-icon svg {
    width: 48px;
    height: 48px;
    color: var(--white);
}

.product-card h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    color: var(--dark);
}

.product-card > p {
    color: var(--gray);
    margin-bottom: var(--spacing-sm);
}

.product-features {
    list-style: none;
    margin: var(--spacing-sm) 0;
}

.product-features li {
    padding: 0.5rem 0;
    color: var(--gray);
    position: relative;
    padding-left: 1.5rem;
}

.product-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary);
    font-weight: 700;
}

.product-card .btn {
    width: 100%;
    margin-top: var(--spacing-sm);
}

/* ===================================
   Contact Section
   =================================== */
.contact {
    background: linear-gradient(180deg, #0c4a6e 0%, #075985 50%, #0369a1 100%);
    color: var(--white);
    position: relative;
    overflow: hidden;
}

.contact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 30%, rgba(103, 232, 249, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(56, 189, 248, 0.1) 0%, transparent 50%);
    animation: contactWave 10s ease-in-out infinite;
}

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

.contact .section-title,
.contact .section-subtitle {
    color: var(--white);
}

/* Discount Section */
.discount-section {
    max-width: 800px;
    margin: 0 auto var(--spacing-xl);
}

.discount-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    padding: var(--spacing-lg);
    border-radius: 1.5rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
    text-align: center;
}

.discount-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    color: var(--white);
}

.discount-icon svg {
    width: 50px;
    height: 50px;
}

.discount-card h3 {
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
    color: var(--white);
}

.discount-description {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.125rem;
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.email-instructions {
    text-align: left;
    margin-bottom: var(--spacing-md);
}

.email-instructions h4 {
    color: var(--white);
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
}

.instruction-step {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    align-items: flex-start;
}

.step-number {
    width: 32px;
    height: 32px;
    background: rgba(103, 232, 249, 0.3);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: var(--white);
    flex-shrink: 0;
}

.instruction-step p {
    color: rgba(255, 255, 255, 0.9);
    flex: 1;
    line-height: 2;
}

.instruction-step strong,
.instruction-step a {
    color: #67e8f9;
    text-decoration: none;
}

.instruction-step a:hover {
    text-decoration: underline;
}

.email-template {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 1rem;
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    text-align: left;
}

.template-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid rgba(14, 165, 233, 0.2);
    margin-bottom: var(--spacing-sm);
}

.template-header svg {
    width: 20px;
    height: 20px;
    color: var(--primary);
}

.template-header span {
    font-weight: 600;
    color: var(--dark);
    flex: 1;
}

.copy-btn {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.5rem 1rem;
    background: var(--primary);
    color: var(--white);
    border: none;
    border-radius: 0.5rem;
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

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

.copy-btn svg {
    width: 16px;
    height: 16px;
}

.template-content {
    color: var(--dark);
    font-size: 0.95rem;
    line-height: 1.6;
    font-family: 'Courier New', monospace;
}

.template-content p {
    margin: 0;
}

.template-content strong {
    color: var(--primary);
}

.btn-large {
    padding: 1rem 2.5rem;
    font-size: 1.125rem;
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
}

.btn-large svg {
    width: 24px;
    height: 24px;
}

.response-note {
    margin-top: var(--spacing-sm);
    color: rgba(255, 255, 255, 0.8);
    font-size: 1rem;
}

/* Contact Info Section */
.contact-info-section {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
    max-width: 900px;
    margin: 0 auto;
}

.contact-info-horizontal {
    grid-template-columns: repeat(3, 1fr);
    max-width: 1000px;
}

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

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

.contact-icon {
    width: 50px;
    height: 50px;
    background: var(--dark-light);
    border-radius: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-icon svg {
    width: 24px;
    height: 24px;
    color: var(--primary);
}

.contact-method h4 {
    font-size: 1.125rem;
    margin-bottom: 0.25rem;
}

.contact-method p,
.contact-method a {
    color: var(--gray-light);
    text-decoration: none;
}

.contact-method a:hover {
    color: var(--primary-light);
}

/* Form Group Styles */
.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-weight: 500;
    color: var(--white);
}

.form-group input,
.form-group textarea {
    padding: 0.875rem;
    border: 2px solid var(--gray);
    border-radius: 0.5rem;
    font-family: var(--font-family);
    font-size: 1rem;
    background: var(--dark);
    color: var(--white);
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
}

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

/* ===================================
   Footer
   =================================== */
.footer {
    background: linear-gradient(180deg, #075985 0%, #0c4a6e 100%);
    color: var(--white);
    padding: var(--spacing-lg) var(--spacing-sm) var(--spacing-md);
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 100px;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 120"><path d="M0,60 Q300,100 600,60 T1200,60 L1200,0 L0,0 Z" fill="%230369a1" opacity="0.5"/></svg>') no-repeat top;
    background-size: cover;
    pointer-events: none;
}

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

.footer-brand p {
    color: var(--gray-light);
    margin-top: var(--spacing-sm);
}

.footer-links {
    display: flex;
    gap: var(--spacing-lg);
}

.footer-column h4 {
    margin-bottom: var(--spacing-sm);
}

.footer-column ul {
    list-style: none;
}

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

.footer-column a {
    color: var(--gray-light);
    text-decoration: none;
    transition: var(--transition);
}

.footer-column a:hover {
    color: var(--primary-light);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--gray);
}

.footer-bottom p {
    color: var(--gray-light);
}

/* ===================================
   Responsive Design
   =================================== */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(240, 249, 255, 0.98);
        backdrop-filter: blur(10px);
        flex-direction: column;
        padding: var(--spacing-sm);
        box-shadow: 0 10px 25px rgba(14, 165, 233, 0.2);
        gap: 0;
        border-bottom: 2px solid rgba(14, 165, 233, 0.2);
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .mobile-menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .mobile-menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }
    
    .hero-content {
        padding: var(--spacing-sm);
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-cta .btn {
        width: 100%;
        max-width: 300px;
    }
    
    .discount-card {
        padding: var(--spacing-md);
    }
    
    .discount-card h3 {
        font-size: 1.5rem;
    }
    
    .email-template {
        padding: var(--spacing-sm);
    }
    
    .template-content {
        font-size: 0.85rem;
    }
    
    .contact-info-section,
    .contact-info-horizontal {
        grid-template-columns: 1fr;
    }
    
    .about-grid,
    .products-grid,
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    /* Reduce snowflake size on mobile */
    .snowflake {
        font-size: 0.8em;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: calc(80px + var(--spacing-sm)) var(--spacing-sm) var(--spacing-md);
    }
    
    section {
        padding: var(--spacing-lg) var(--spacing-sm);
    }
    
    .stat-card {
        padding: var(--spacing-sm);
    }
    
    .stat-number {
        font-size: 2rem;
    }
}

/* ===================================
   Snowflakes Animation
   =================================== */
.snowflake {
    position: fixed;
    top: -10px;
    z-index: 10;
    user-select: none;
    cursor: default;
    animation: snowfall linear infinite;
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.5em;
    pointer-events: none;
    text-shadow: 0 0 5px rgba(255, 255, 255, 0.5);
}

@keyframes snowfall {
    0% {
        transform: translateY(0) rotate(0deg);
        opacity: 1;
    }
    100% {
        transform: translateY(100vh) rotate(360deg);
        opacity: 0.3;
    }
}

.snowflake:nth-child(odd) {
    animation-duration: 10s;
}

.snowflake:nth-child(even) {
    animation-duration: 15s;
}

/* ===================================
   Animations & Utilities
   =================================== */
.fade-in {
    animation: fadeIn 0.6s ease-out;
}

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

.slide-in-left {
    animation: slideInLeft 0.6s ease-out;
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.slide-in-right {
    animation: slideInRight 0.6s ease-out;
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Smooth reveal on scroll */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* ===================================
   Lake Canvas
   =================================== */
#lakeCanvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    opacity: 0.5;
    pointer-events: none;
}

/* ===================================
   Frosted Glass Effect
   =================================== */
.product-card,
.feature-card,
.stat-card {
    backdrop-filter: blur(10px);
}

/* ===================================
   Lake & Snow Themed Scrollbar
   =================================== */
::-webkit-scrollbar {
    width: 12px;
}

::-webkit-scrollbar-track {
    background: linear-gradient(180deg, #e0f2fe 0%, #bae6fd 100%);
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, #0ea5e9 0%, #06b6d4 100%);
    border-radius: 6px;
    border: 2px solid #e0f2fe;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, #0284c7 0%, #0891b2 100%);
}

/* ===================================
   Enhanced Gradient Text
   =================================== */
.section-title {
    background: linear-gradient(135deg, #0ea5e9 0%, #06b6d4 50%, #67e8f9 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ===================================
   Button Frost Effect
   =================================== */
.btn-primary {
    position: relative;
    background: linear-gradient(135deg, #0ea5e9 0%, #06b6d4 100%);
    box-shadow: 0 4px 15px rgba(14, 165, 233, 0.4);
}

.btn-primary:hover {
    box-shadow: 0 8px 25px rgba(14, 165, 233, 0.5);
}

.btn-secondary {
    border-color: #0ea5e9;
    color: #0ea5e9;
    background: rgba(240, 249, 255, 0.5);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: #0ea5e9;
    color: white;
}

/* ===================================
   Ice Reflection Effect
   =================================== */
.logo-icon {
    filter: drop-shadow(0 0 8px rgba(14, 165, 233, 0.5));
    animation: logoGlow 3s ease-in-out infinite;
}

@keyframes logoGlow {
    0%, 100% {
        filter: drop-shadow(0 0 8px rgba(14, 165, 233, 0.5));
    }
    50% {
        filter: drop-shadow(0 0 15px rgba(6, 182, 212, 0.8));
    }
}