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

:root {
    /* Colors - HSL Format */
    --background: hsl(216, 100%, 5%);
    --foreground: hsl(214, 50%, 95%);
    --card: hsl(210, 100%, 8%);
    --primary: hsl(209, 100%, 32%);
    --accent: hsl(180, 100%, 50%);
    --secondary: hsl(214, 50%, 63%);
    --muted: hsl(210, 50%, 15%);
    --muted-foreground: hsl(214, 30%, 70%);
    --border: hsl(210, 50%, 20%);
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, hsl(209, 100%, 32%), hsl(180, 100%, 50%));
    --gradient-hero: linear-gradient(180deg, hsl(216, 100%, 5%) 0%, hsl(210, 100%, 8%) 50%, hsl(209, 80%, 15%) 100%);
    
    /* Shadows */
    --shadow-glow: 0 0 60px hsla(180, 100%, 50%, 0.4);
    --shadow-card: 0 8px 32px hsla(216, 100%, 5%, 0.5);
}

/* Light Theme */
body[data-theme="light"] {
    --background: hsl(210, 40%, 98%);
    --foreground: hsl(222, 47%, 11%);
    --card: hsl(0, 0%, 100%);
    --primary: hsl(209, 100%, 45%);
    --accent: hsl(180, 100%, 40%);
    --secondary: hsl(214, 32%, 45%);
    --muted: hsl(210, 40%, 96%);
    --muted-foreground: hsl(215, 16%, 47%);
    --border: hsl(214, 32%, 91%);
    --gradient-hero: linear-gradient(180deg, hsl(210, 40%, 98%) 0%, hsl(214, 32%, 95%) 50%, hsl(210, 40%, 92%) 100%);
    --shadow-glow: 0 0 40px hsla(180, 100%, 40%, 0.3);
    --shadow-card: 0 8px 32px hsla(0, 0%, 0%, 0.08);
}

body[data-theme="light"] .navbar {
    background: rgba(255, 255, 255, 0.8);
}

body[data-theme="light"] .navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

body[data-theme="light"] .preloader {
    background: radial-gradient(1200px 600px at 50% 20%, rgba(0, 216, 255, 0.1), transparent 60%),
                linear-gradient(180deg, #f8fafc 0%, #e2e8f0 60%, #cbd5e1 100%);
}

body[data-theme="light"] .bg-gradient {
    opacity: 0.06;
}

body[data-theme="light"] .service-card,
body[data-theme="light"] .product-card,
body[data-theme="light"] .contact-card {
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
}

body[data-theme="light"] .service-card:hover,
body[data-theme="light"] .product-card:hover,
body[data-theme="light"] .contact-card:hover {
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
}

body[data-theme="light"] .budget-card,
body[data-theme="light"] .whatsapp-cta {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
    border: 2px solid hsl(214, 32%, 91%);
}

body[data-theme="light"] .form-group input {
    background: rgba(255, 255, 255, 0.8);
    border: 1px solid hsl(214, 32%, 91%);
}

body[data-theme="light"] .snowflake,
body[data-theme="light"] .snowflake-advanced {
    filter: drop-shadow(0 0 20px hsla(180, 100%, 40%, 0.4));
}

body[data-theme="light"] .rotating-icon .icon-glow {
    background: radial-gradient(circle, hsla(180, 100%, 50%, 0.15), transparent);
}

body[data-theme="light"] .footer {
    background: hsl(0, 0%, 100%);
    border-top: 1px solid hsl(214, 32%, 91%);
}

body[data-theme="light"] .modal {
    background: hsla(210, 40%, 98%, 0.95);
}

body[data-theme="light"] .modal-content {
    background: hsl(0, 0%, 100%);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

body[data-theme="light"] .portfolio-overlay {
    background: linear-gradient(to top, rgba(255, 255, 255, 0.95), transparent);
}

body[data-theme="light"] .option-btn {
    border: 2px solid hsl(214, 32%, 91%);
}

body[data-theme="light"] .option-btn:hover {
    border-color: var(--primary);
    background: rgba(0, 0, 0, 0.02);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--background);
    color: var(--foreground);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background-color 0.3s ease, color 0.3s ease;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Space Grotesk', sans-serif;
}

a {
    text-decoration: none;
    color: inherit;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2rem;
}

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    border-radius: 0.75rem;
    font-weight: 500;
    transition: all 0.3s;
    border: none;
    cursor: pointer;
    font-size: 0.875rem;
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1rem;
}

.btn-glow {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 12px hsla(180, 100%, 50%, 0.3);
}

.btn-glow:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-glow);
}

.btn-whatsapp {
    background: linear-gradient(135deg, #25D366, #128C7E);
    color: #ffffff;
    box-shadow: 0 4px 12px rgba(37, 211, 102, 0.35);
}

.btn-whatsapp:hover {
    transform: scale(1.05);
    box-shadow: 0 0 60px rgba(37, 211, 102, 0.45);
}

.btn-frost {
    background: hsla(210, 90%, 10%, 0.7);
    backdrop-filter: blur(20px);
    color: var(--foreground);
    border: 1px solid hsla(214, 50%, 30%, 0.3);
}

.btn-frost:hover {
    background: hsla(210, 80%, 15%, 0.8);
}

.btn-ghost {
    background: transparent;
    color: var(--foreground);
}

.btn-ghost:hover {
    background: hsla(180, 100%, 50%, 0.1);
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: transparent;
    transition: all 0.3s;
    padding: 1rem 0;
}

.navbar.scrolled {
    background: hsla(210, 90%, 10%, 0.9);
    backdrop-filter: blur(20px);
    box-shadow: 0 4px 12px hsla(0, 0%, 0%, 0.1);
}

.nav-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
}

.logo-icon {
    width: 2.5rem;
    height: 2.5rem;
    color: var(--accent);
}

.brand-icon-wrapper {
    position: relative;
    width: 2.5rem;
    height: 2.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.brand-icon {
    width: 100%;
    height: 100%;
    filter: drop-shadow(0 0 8px rgba(0, 216, 255, 0.4));
    animation: gentleRotate 8s linear infinite;
}

@keyframes gentleRotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* Animação das partículas de neve */
.snow-particle {
    animation: snowFall 3s ease-in-out infinite;
}

.snow-p1 {
    animation-delay: 0s;
    animation-duration: 2.5s;
}

.snow-p2 {
    animation-delay: 0.7s;
    animation-duration: 3s;
}

.snow-p3 {
    animation-delay: 1.2s;
    animation-duration: 2.8s;
}

.snow-p4 {
    animation-delay: 1.8s;
    animation-duration: 3.2s;
}

@keyframes snowFall {
    0% {
        transform: translateY(0) translateX(0);
        opacity: 0;
    }
    10% {
        opacity: 0.7;
    }
    90% {
        opacity: 0.7;
    }
    100% {
        transform: translateY(80px) translateX(5px);
        opacity: 0;
    }
}

.logo-title {
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--gradient-primary);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.logo-subtitle {
    font-size: 0.75rem;
    color: var(--muted-foreground);
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    font-weight: 500;
    transition: color 0.3s;
}

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

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

.mobile-menu-btn span {
    width: 1.5rem;
    height: 2px;
    background: var(--foreground);
    transition: all 0.3s;
}

.theme-toggle-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: none;
    background: hsla(210, 90%, 10%, 0.5);
    backdrop-filter: blur(10px);
    cursor: pointer;
    transition: all 0.3s;
    position: relative;
}

.theme-toggle-btn:hover {
    background: hsla(210, 80%, 15%, 0.7);
    transform: scale(1.05);
}

body[data-theme="light"] .theme-toggle-btn {
    background: rgba(0, 0, 0, 0.05);
}

body[data-theme="light"] .theme-toggle-btn:hover {
    background: rgba(0, 0, 0, 0.1);
}

.theme-toggle-btn svg {
    width: 20px;
    height: 20px;
    color: var(--foreground);
    transition: all 0.3s;
}

.theme-icon-sun {
    position: absolute;
    opacity: 0;
    transform: rotate(-90deg) scale(0);
}

.theme-icon-moon {
    position: absolute;
    opacity: 1;
    transform: rotate(0deg) scale(1);
}

body[data-theme="light"] .theme-icon-sun {
    opacity: 1;
    transform: rotate(0deg) scale(1);
}

body[data-theme="light"] .theme-icon-moon {
    opacity: 0;
    transform: rotate(90deg) scale(0);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 8rem 0 4rem;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: var(--gradient-hero);
    z-index: -1;
}

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

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

.hero-description {
    font-size: 1.125rem;
    color: var(--muted-foreground);
    margin-bottom: 2rem;
    max-width: 600px;
}

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

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.stat {
    text-align: center;
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--muted-foreground);
}

/* Rotating Icon */
.rotating-icon {
    position: relative;
    width: 300px;
    height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
}

.icon-glow {
    position: absolute;
    inset: 0;
    border-radius: 50%;
    background: transparent;
    filter: blur(40px);
    animation: gentlePulse 4s ease-in-out infinite;
}

.snowflake {
    width: 180px;
    height: 180px;
    color: var(--accent);
    filter: drop-shadow(0 0 30px hsla(180, 100%, 50%, 1));
    animation: rotate 8s linear infinite;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

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

/* Advanced Snowflake Enhancements */
.snowflake-advanced {
    width: 200px;
    height: 200px;
    filter: drop-shadow(0 0 6px rgba(59, 231, 255, 0.5)) drop-shadow(0 0 12px rgba(0, 216, 255, 0.3));
    animation: rotate 12s linear infinite;
}

.frost-ring {
    position: absolute;
    width: 260px;
    height: 260px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(0, 255, 255, 0.15), transparent 70%);
    box-shadow: none;
    filter: blur(2px);
    animation: frostPulse 6s ease-in-out infinite;
}

.ice-particles {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.ice-particles span {
    position: absolute;
    display: block;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: radial-gradient(circle, #e8fdff 0%, #b9f8ff 60%, rgba(185, 248, 255, 0) 70%);
    box-shadow: 0 0 12px rgba(0, 216, 255, 0.8);
    animation: drift ease-in-out infinite, twinkle ease-in-out infinite;
}

.ice-particles span:nth-child(1) { left: 10%; top: 15%; animation-duration: 12s, 3s; }
.ice-particles span:nth-child(2) { left: 82%; top: 22%; width: 5px; height: 5px; animation-duration: 10s, 2.5s; }
.ice-particles span:nth-child(3) { left: 25%; top: 80%; width: 7px; height: 7px; animation-duration: 11s, 3.2s; }
.ice-particles span:nth-child(4) { left: 68%; top: 76%; animation-duration: 13s, 2.8s; }
.ice-particles span:nth-child(5) { left: 50%; top: 8%; width: 4px; height: 4px; animation-duration: 9s, 2.3s; }
.ice-particles span:nth-child(6) { left: 6%; top: 60%; animation-duration: 14s, 3.5s; }
.ice-particles span:nth-child(7) { left: 90%; top: 50%; width: 8px; height: 8px; animation-duration: 15s, 3.8s; }
.ice-particles span:nth-child(8) { left: 40%; top: 30%; width: 5px; height: 5px; animation-duration: 10.5s, 2.6s; }

@keyframes drift {
    0% { transform: translate(0, 0) scale(1); opacity: 0.8; }
    25% { transform: translate(-8px, -8px) scale(1.05); opacity: 0.9; }
    50% { transform: translate(8px, 8px) scale(0.95); opacity: 0.85; }
    75% { transform: translate(-8px, 8px) scale(1.02); opacity: 0.9; }
    100% { transform: translate(0, 0) scale(1); opacity: 0.8; }
}

@keyframes twinkle {
    0%, 100% { filter: brightness(1); }
    50% { filter: brightness(1.6); }
}

@keyframes frostPulse {
    0%, 100% { transform: scale(1); opacity: 0.3; }
    50% { transform: scale(1.03); opacity: 0.45; }
}

@keyframes gentlePulse {
    0%, 100% { opacity: 0.05; transform: scale(1); }
    50% { opacity: 0.08; transform: scale(1.02); }
}

/* Section Styles */
section {
    padding: 6rem 0;
}

.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 4rem;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: 1rem;
}

.section-description {
    font-size: 1.125rem;
    color: var(--muted-foreground);
}

/* Services */
.services {
    background: linear-gradient(to bottom, var(--background), var(--card));
}

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

.service-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 1rem;
    padding: 2rem;
    transition: all 0.3s;
}

.service-card:hover {
    transform: translateY(-0.5rem);
    box-shadow: var(--shadow-glow);
}

.service-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.service-title {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.service-description {
    color: var(--muted-foreground);
    margin-bottom: 1.5rem;
}

.service-features {
    list-style: none;
}

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

.service-features li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    width: 6px;
    height: 6px;
    background: var(--accent);
    border-radius: 50%;
    transform: translateY(-50%);
}

/* Products */
.products {
    background: linear-gradient(to bottom, var(--card), var(--background));
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
}

/* Responsivo: 2 colunas em tablets, 1 coluna em mobile */
@media (max-width: 1024px) {
  .products-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .products-grid { grid-template-columns: 1fr; }
}

.product-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 1rem;
    overflow: hidden;
    transition: all 0.3s;
}

.product-card:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-glow);
}

.product-image {
    width: 100%;
    aspect-ratio: 1 / 1; /* quadrado perfeito */
    object-fit: contain;
    object-position: center;
    background: #ffffff; /* fundo neutro para destacar o produto */
    display: block;
    padding: 0; /* sem respiro para preencher ao máximo */
    border-radius: 0.75rem;
}

.product-content {
    padding: 1rem;
}

.product-brand {
    font-size: 0.7rem;
    color: var(--accent);
    text-transform: uppercase;
}

.product-name {
    font-size: 1.05rem;
    margin: 0.25rem 0 0.5rem 0;
}

.product-category {
    font-size: 0.8rem;
    color: var(--muted-foreground);
    margin-bottom: 0.75rem;
}

.product-features {
    margin: 0 0 0.75rem 0;
    padding: 0;
    list-style: none; /* remove bullets nativos */
}

.product-features li {
    font-size: 0.8rem;
    list-style: none;
}

.product-features li {
    padding: 0.25rem 0;
    padding-left: 1.25rem; /* ligeiramente menor para alinhar melhor */
    position: relative;
    font-size: 0.8rem;
    color: var(--muted-foreground);
}

.product-features li::before {
    content: '';
    position: absolute;
    left: 0.5rem; /* desloca o ponto para dentro do padding */
    top: 50%;
    width: 6px; /* ponto um pouco maior para melhor visibilidade */
    height: 6px;
    background: var(--accent);
    border-radius: 50%;
    transform: translateY(-50%);
}

.product-price {
    font-size: 1.05rem;
    font-weight: 700;
    background: var(--gradient-primary);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 1rem;
}

/* Portfolio */
.portfolio {
    background: linear-gradient(to bottom, var(--background), var(--card));
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
}

.portfolio-item {
    position: relative;
    aspect-ratio: 1;
    border-radius: 1rem;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.3s;
}

.portfolio-item:hover {
    transform: scale(1.05);
}

.portfolio-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s;
}

.portfolio-item:hover .portfolio-image {
    transform: scale(1.1);
}

.portfolio-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, var(--background), transparent);
    opacity: 0;
    transition: opacity 0.3s;
    display: flex;
    align-items: flex-end;
    padding: 1.5rem;
}

.portfolio-item:hover .portfolio-overlay {
    opacity: 1;
}

.portfolio-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: var(--accent);
    color: var(--background);
    padding: 0.25rem 0.75rem;
    border-radius: 1rem;
    font-size: 0.75rem;
    font-weight: 600;
}

/* Budget Simulator */
.budget {
    background: linear-gradient(to bottom, var(--card), var(--background));
}

.budget-card {
    max-width: 800px;
    margin: 0 auto;
    background: hsla(210, 90%, 10%, 0.7);
    backdrop-filter: blur(20px);
    border: 2px solid hsla(209, 100%, 32%, 0.3);
    border-radius: 1rem;
    padding: 2rem;
}

.budget-header {
    text-align: center;
    margin-bottom: 2rem;
}

.budget-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.budget-title {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.budget-step {
    color: var(--muted-foreground);
}

.budget-progress {
    height: 8px;
    background: var(--muted);
    border-radius: 1rem;
    overflow: hidden;
    margin-bottom: 2rem;
}

.progress-bar {
    height: 100%;
    background: var(--gradient-primary);
    transition: width 0.3s;
    width: 33%;
}

.step {
    display: none;
}

.step.active {
    display: block;
    animation: fadeIn 0.3s;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateX(20px); }
    to { opacity: 1; transform: translateX(0); }
}

.step-title {
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
}

.service-options {
    display: grid;
    gap: 1rem;
}

.option-btn {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.5rem;
    background: transparent;
    border: 2px solid var(--border);
    border-radius: 0.75rem;
    color: var(--foreground);
    cursor: pointer;
    transition: all 0.3s;
    font-size: 1rem;
}

.option-btn:hover {
    border-color: var(--primary);
    transform: scale(1.02);
}

.option-icon {
    font-size: 1.5rem;
}

.arrow {
    margin-left: auto;
    color: var(--accent);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--muted-foreground);
    font-size: 0.875rem;
}

.form-group input {
    width: 100%;
    padding: 0.75rem 1rem;
    background: hsla(210, 90%, 10%, 0.5);
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    color: var(--foreground);
    font-size: 0.875rem;
    transition: all 0.3s;
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px hsla(209, 100%, 32%, 0.1);
}

.button-group {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

.button-group .btn {
    flex: 1;
}

.result {
    text-align: center;
    padding: 3rem 0;
}

.result-label {
    color: var(--muted-foreground);
    margin-bottom: 1rem;
}

.result-price {
    font-size: 3rem;
    font-weight: 700;
    background: var(--gradient-primary);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 1rem;
    animation: scaleIn 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

@keyframes scaleIn {
    from { transform: scale(0); }
    to { transform: scale(1); }
}

.result-note {
    font-size: 0.875rem;
    color: var(--muted-foreground);
}

/* Contact */
.contact {
    background: linear-gradient(to bottom, var(--background), var(--card));
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.contact-info {
    display: grid;
    gap: 1rem;
}

.contact-card {
    display: flex;
    align-items: center;
    gap: 1rem;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 0.75rem;
    padding: 1.5rem;
    transition: all 0.3s;
}

.contact-card:hover {
    transform: scale(1.02);
    box-shadow: var(--shadow-glow);
}

.contact-icon {
    font-size: 2rem;
}

.contact-card h3 {
    margin-bottom: 0.25rem;
}

.contact-card a {
    color: var(--muted-foreground);
    transition: color 0.3s;
}

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

.whatsapp-cta {
    background: hsla(210, 90%, 10%, 0.7);
    backdrop-filter: blur(20px);
    border: 2px solid hsla(209, 100%, 32%, 0.3);
    border-radius: 1rem;
    padding: 3rem;
    text-align: center;
}

.whatsapp-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.whatsapp-cta h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.whatsapp-cta p {
    color: var(--muted-foreground);
    margin-bottom: 2rem;
}

.response-time {
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border);
    font-size: 0.875rem;
}

.response-time strong {
    color: var(--accent);
}

/* Footer */
.footer {
    background: var(--card);
    border-top: 1px solid var(--border);
    padding: 3rem 0 2rem;
}

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

.footer-brand {
    max-width: 300px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.footer-logo svg {
    width: 2rem;
    height: 2rem;
    color: var(--accent);
}

.footer-logo h3 {
    background: var(--gradient-primary);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.footer-logo p {
    font-size: 0.75rem;
    color: var(--muted-foreground);
}

.footer-description {
    font-size: 0.875rem;
    color: var(--muted-foreground);
    line-height: 1.6;
}

.footer-links h4 {
    margin-bottom: 1rem;
}

.footer-links a {
    display: block;
    padding: 0.5rem 0;
    color: var(--muted-foreground);
    font-size: 0.875rem;
    transition: color 0.3s;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border);
    color: var(--muted-foreground);
    font-size: 0.875rem;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    inset: 0;
    background: hsla(216, 100%, 5%, 0.95);
    backdrop-filter: blur(10px);
    z-index: 2000;
    padding: 2rem;
    overflow-y: auto;
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.3s;
}

.modal-content {
    position: relative;
    max-width: 720px;
    width: auto;
    max-height: 80vh;
    background: var(--card);
    border-radius: 1rem;
    box-shadow: var(--shadow-card);
    overflow: hidden;
}

.modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 3rem;
    height: 3rem;
    background: var(--muted);
    border: none;
    border-radius: 50%;
    font-size: 1.5rem;
    color: var(--foreground);
    cursor: pointer;
    transition: all 0.3s;
    z-index: 10;
}

.modal-close:hover {
    background: var(--primary);
}

.modal-content img {
    display: block;
    max-width: 100%;
    height: auto;
    max-height: 60vh;
    width: auto;
    object-fit: contain;
    margin: 0 auto;
}

/* Zoom Lens */
.modal-image-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem;
}

.zoom-lens {
    position: absolute;
    width: 140px;
    height: 140px;
    border: 2px solid rgba(255, 255, 255, 0.85);
    border-radius: 999px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35), 0 0 0 2px rgba(0, 216, 255, 0.2) inset;
    background-repeat: no-repeat;
    background-size: 200% 200%;
    display: none;
    pointer-events: none;
}

.zoom-lens.active { display: block; }

.zoom-icon {
    position: absolute;
    right: 12px;
    bottom: 12px;
    width: 40px;
    height: 40px;
    border-radius: 999px;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.45);
    color: #ffffff;
    cursor: pointer;
    transition: all 0.25s ease;
    backdrop-filter: blur(6px);
}

.zoom-icon:hover { transform: scale(1.05); }
.zoom-icon.active { background: var(--primary); color: #001018; }

.modal-info {
    padding: 2rem;
    text-align: center;
}

.modal-info h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.modal-info p {
    color: var(--muted-foreground);
}

/* Floco de Neve Avançado */
.snowflake-advanced {
    position: relative;
    width: 140px;
    height: 140px;
    animation: rotate 10s linear infinite;
}

.snowflake-advanced::before,
.snowflake-advanced::after {
    content: "";
    position: absolute;
    width: 100%;
    height: 100%;
    background: transparent;
    transform: rotate(45deg);
}

.snowflake-advanced::before {
    animation: move 10s linear infinite;
}

.snowflake-advanced::after {
    animation: move 10s linear infinite reverse;
}

.frost-ring {
    position: absolute;
    width: 180px;
    height: 180px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(0, 255, 255, 0.15), transparent 70%);
    animation: pulse 5s linear infinite;
}

.frost-ring::before,
.frost-ring::after {
    content: "";
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(0, 255, 255, 0.15), transparent 70%);
    animation: pulse 5s linear infinite reverse;
}

.frost-ring::before {
    transform: rotate(45deg);
}

.frost-ring::after {
    transform: rotate(-45deg);
}

.particles {
    position: absolute;
    width: 100%;
    height: 100%;
    animation: particles 10s linear infinite;
}

.particles::before,
.particles::after {
    content: "";
    position: absolute;
    width: 10px;
    height: 10px;
    background: #fff;
    border-radius: 50%;
    animation: move 10s linear infinite;
}

.particles::before {
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
}

.particles::after {
    left: 60%;
    top: 60%;
    transform: translate(-60%, -60%);
}

@keyframes rotate {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

@keyframes move {
    0% {
        transform: translate(0, 0);
    }
    100% {
        transform: translate(10px, 10px);
    }
}

@keyframes pulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.1);
    }
    100% {
        transform: scale(1);
    }
}

@keyframes particles {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.1);
    }
    100% {
        transform: scale(1);
    }
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links,
    .navbar .btn {
        display: none;
    }
    
    .theme-toggle-btn {
        display: flex;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    /* Mobile dropdown menu container */
    .nav-links {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: hsla(210, 90%, 10%, 0.95);
        backdrop-filter: blur(16px);
        border-top: 1px solid var(--border);
        padding: 1rem 2rem 1.25rem 2rem;
        flex-direction: column;
        gap: 1rem;
        z-index: 999; /* above content, below navbar z-index */
    }
    
    /* Show menu when JS toggles .active */
    .nav-links.active {
        display: flex;
        animation: fadeIn 0.2s ease;
    }
    
    /* Larger touch targets */
    .nav-links a {
        padding: 0.5rem 0;
    }
    
    /* Animate hamburger into an X when active */
    .mobile-menu-btn.active span:nth-child(1) {
        transform: translateY(6px) rotate(45deg);
    }
    .mobile-menu-btn.active span:nth-child(2) {
        opacity: 0;
    }
    .mobile-menu-btn.active span:nth-child(3) {
        transform: translateY(-6px) rotate(-45deg);
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .rotating-icon {
        width: 200px;
        height: 200px;
    }
    
    .snowflake { width: 120px; height: 120px; }
    .snowflake-advanced { width: 140px; height: 140px; }
    .frost-ring { width: 180px; height: 180px; }
    
    .services-grid,
    .products-grid,
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .button-group {
        flex-direction: column;
    }
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--background);
}

::-webkit-scrollbar-thumb {
    background: var(--primary);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent);
}
.snowflake-advanced,
.snowflake-advanced::before,
.snowflake-advanced::after {
  background: transparent !important;
  box-shadow: none !important;
  filter: none !important;
}

.snowflake-advanced::after {
  background: transparent !important;
  box-shadow: none !important;
  filter: none !important;
}

/* Preloader */
.preloader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: grid;
  place-items: center;
  background: radial-gradient(1200px 600px at 50% 20%, rgba(0, 216, 255, 0.18), transparent 60%),
              linear-gradient(180deg, #061622 0%, #0a1c29 60%, #0b2230 100%);
  transition: opacity 400ms ease, visibility 400ms ease;
  overflow: hidden;
}

.preloader.hide {
  opacity: 0;
  visibility: hidden;
}

/* Background Effects */
.preloader-bg-effects {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.preloader-ring {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  border: 2px solid rgba(0, 216, 255, 0.15);
  animation: preloaderRingPulse 3s ease-in-out infinite;
}

.preloader-ring-1 {
  width: 300px;
  height: 300px;
  animation-delay: 0s;
}

.preloader-ring-2 {
  width: 450px;
  height: 450px;
  animation-delay: 1s;
}

.preloader-ring-3 {
  width: 600px;
  height: 600px;
  animation-delay: 2s;
}

@keyframes preloaderRingPulse {
  0%, 100% {
    transform: translate(-50%, -50%) scale(0.8);
    opacity: 0;
  }
  50% {
    transform: translate(-50%, -50%) scale(1);
    opacity: 1;
  }
}

.preloader-particles {
  position: absolute;
  inset: 0;
}

.preloader-particles span {
  position: absolute;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: radial-gradient(circle, #ffffff 0%, rgba(255, 255, 255, 0.6) 60%, transparent 100%);
  box-shadow: 0 0 8px rgba(255, 255, 255, 0.8);
  animation: preloaderFloat linear infinite;
}

.preloader-particles span:nth-child(1) { left: 15%; top: 20%; animation-duration: 8s; animation-delay: 0s; }
.preloader-particles span:nth-child(2) { left: 85%; top: 25%; width: 3px; height: 3px; animation-duration: 6s; animation-delay: 0.5s; }
.preloader-particles span:nth-child(3) { left: 30%; top: 70%; width: 5px; height: 5px; animation-duration: 7s; animation-delay: 1s; }
.preloader-particles span:nth-child(4) { left: 70%; top: 75%; animation-duration: 9s; animation-delay: 1.5s; }
.preloader-particles span:nth-child(5) { left: 50%; top: 10%; width: 3px; height: 3px; animation-duration: 5s; animation-delay: 2s; }
.preloader-particles span:nth-child(6) { left: 10%; top: 60%; animation-duration: 10s; animation-delay: 2.5s; }
.preloader-particles span:nth-child(7) { left: 90%; top: 50%; width: 6px; height: 6px; animation-duration: 11s; animation-delay: 3s; }
.preloader-particles span:nth-child(8) { left: 45%; top: 35%; width: 4px; height: 4px; animation-duration: 6.5s; animation-delay: 3.5s; }

@keyframes preloaderFloat {
  0%, 100% {
    transform: translate(0, 0) scale(1);
    opacity: 0.7;
  }
  25% {
    transform: translate(-10px, -10px) scale(1.1);
    opacity: 1;
  }
  50% {
    transform: translate(10px, 10px) scale(0.9);
    opacity: 0.8;
  }
  75% {
    transform: translate(-5px, 10px) scale(1.05);
    opacity: 0.9;
  }
}

/* Content */
.preloader-content {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
  z-index: 1;
}

.preloader-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.15) 0%, transparent 70%);
  filter: blur(30px);
  animation: preloaderGlowPulse 2s ease-in-out infinite;
}

@keyframes preloaderGlowPulse {
  0%, 100% {
    transform: translate(-50%, -50%) scale(1);
    opacity: 0.6;
  }
  50% {
    transform: translate(-50%, -50%) scale(1.2);
    opacity: 1;
  }
}

.preloader-snowflake {
  width: 120px;
  height: 120px;
  filter: drop-shadow(0 0 20px rgba(255, 255, 255, 0.8)) 
          drop-shadow(0 0 40px rgba(0, 216, 255, 0.4));
  animation: rotate 3s linear infinite;
  position: relative;
  z-index: 2;
}

.preloader-text {
  color: #ffffff;
  font-family: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  font-size: 16px;
  font-weight: 500;
  letter-spacing: 1px;
  opacity: 0.9;
  text-shadow: 0 0 10px rgba(255, 255, 255, 0.5);
}

/* Floating Action Buttons */
.floating-buttons {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.fab {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
  transition: all 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

.fab:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.4);
}

.fab svg {
  width: 22px;
  height: 22px;
}

/* Main FAB Button */
.fab-main {
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  color: white;
  animation: fabPulse 2s ease-in-out infinite;
}

.fab-main:hover {
  animation: none;
}

.fab-main.active .fab-icon-plus {
  transform: rotate(45deg);
}

.fab-icon-plus {
  transition: transform 0.3s ease;
}

/* Option Buttons */
.fab-option {
  opacity: 0;
  visibility: hidden;
  transform: scale(0) translateY(30px);
  pointer-events: none;
}

.floating-buttons.active .fab-option {
  opacity: 1;
  visibility: visible;
  transform: scale(1) translateY(0);
  pointer-events: all;
}

.floating-buttons.active .fab-option:nth-child(1) {
  transition-delay: 0.05s;
}

.floating-buttons.active .fab-option:nth-child(2) {
  transition-delay: 0.1s;
}

.floating-buttons.active .fab-option:nth-child(3) {
  transition-delay: 0.15s;
}

.fab-whatsapp {
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  color: white;
}

.fab-whatsapp:hover {
  background: linear-gradient(135deg, var(--accent) 0%, var(--primary) 100%);
}

.fab-theme {
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  color: white;
}

.fab-theme:hover {
  background: linear-gradient(135deg, var(--accent) 0%, var(--primary) 100%);
}

.fab-scroll-top {
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  color: white;
}

.fab-scroll-top:hover {
  background: linear-gradient(135deg, var(--accent) 0%, var(--primary) 100%);
}

@keyframes fabPulse {
  0%, 100% {
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
  }
  50% {
    box-shadow: 0 4px 24px rgba(0, 216, 255, 0.6);
  }
}

.fab-whatsapp-fixed {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 1000;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #25D366, #128C7E);
  color: white;
  box-shadow: 0 4px 16px rgba(37, 211, 102, 0.4);
  transition: all 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
  animation: fabPulseGreen 2s ease-in-out infinite;
}

.fab-whatsapp-fixed:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 28px rgba(37, 211, 102, 0.6);
  animation: none;
}

.fab-whatsapp-fixed svg {
  width: 28px;
  height: 28px;
}

@keyframes fabPulseGreen {
  0%, 100% {
    box-shadow: 0 4px 16px rgba(37, 211, 102, 0.4);
  }
  50% {
    box-shadow: 0 4px 24px rgba(37, 211, 102, 0.7);
  }
}

/* Background Decorations */
.bg-decorations {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.bg-gradient {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.15;
  animation: bgFloat 20s ease-in-out infinite;
}

.bg-gradient-1 {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(0, 216, 255, 0.4) 0%, transparent 70%);
  top: 10%;
  left: -10%;
  animation-delay: 0s;
}

.bg-gradient-2 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(143, 252, 255, 0.3) 0%, transparent 70%);
  top: 50%;
  right: -5%;
  animation-delay: 7s;
}

.bg-gradient-3 {
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(0, 216, 255, 0.25) 0%, transparent 70%);
  bottom: -10%;
  left: 30%;
  animation-delay: 14s;
}

@keyframes bgFloat {
  0%, 100% {
    transform: translate(0, 0) scale(1);
  }
  33% {
    transform: translate(30px, -30px) scale(1.1);
  }
  66% {
    transform: translate(-20px, 20px) scale(0.9);
  }
}

/* Responsive Floating Buttons */
@media (max-width: 768px) {
  .floating-buttons {
    bottom: 16px;
    right: 16px;
    gap: 10px;
  }
  
  .fab {
    width: 45px;
    height: 45px;
  }
  
  .fab svg {
    width: 20px;
    height: 20px;
  }
}