/* ==========================================================================
   DESIGN SYSTEM & CSS VARIABLES
   ========================================================================== */
:root {
    --bg-main: #0a0e17;
    --bg-card: rgba(17, 24, 39, 0.7);
    --bg-card-hover: rgba(30, 41, 59, 0.85);
    --bg-header: rgba(10, 14, 23, 0.92);

    /* Laranja da marca - cor primária */
    --primary: #ff7a00;
    --primary-dark: #e06600;
    --primary-glow: rgba(255, 122, 0, 0.3);

    /* Azul/Ciano como cor secundária */
    --secondary: #00c6ff;
    --secondary-glow: rgba(0, 198, 255, 0.25);
    --accent: #10b981;
    --accent-glow: rgba(16, 185, 129, 0.25);
    --whatsapp: #25d366;
    --whatsapp-glow: rgba(37, 211, 102, 0.35);

    --text-main: #f3f4f6;
    --text-muted: #9ca3af;
    --text-dim: #6b7280;

    --border: rgba(255, 255, 255, 0.08);
    --border-highlight: rgba(255, 122, 0, 0.35);
    --surface-color: rgba(15, 23, 42, 0.95);
    --heading-color: #ffffff;
    --primary-color: #ff7a00;

    --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --radius-full: 9999px;
}

/* ==========================================================================
   RESET & BASE STYLES
   ========================================================================== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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

body {
    background-color: var(--bg-main);
    color: var(--text-main);
    font-family: var(--font-sans);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

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

ul {
    list-style: none;
}

img, svg {
    display: block;
    max-width: 100%;
}

.container {
    width: 100%;
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Helper Classes */
.text-center { text-align: center; }
.mt-4 { margin-top: 1.5rem; }
.w-100 { width: 100%; }

.gradient-text {
    background: linear-gradient(135deg, #ff7a00 0%, #ffb347 60%, #ff9500 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.section-subtitle {
    display: inline-block;
    color: var(--primary);
    font-weight: 700;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 0.5rem;
}

.section-title {
    font-size: 2.25rem;
    font-weight: 800;
    line-height: 1.25;
    margin-bottom: 1rem;
    color: #ffffff;
}

.section-desc {
    color: var(--text-muted);
    font-size: 1.1rem;
    max-width: 680px;
    margin: 0 auto;
}

.section-header {
    margin-bottom: 3.5rem;
}

/* ==========================================================================
   BUTTONS & UI ELEMENTS
   ========================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    padding: 0.85rem 1.6rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    cursor: pointer;
    border: 1px solid transparent;
    transition: var(--transition);
}

.btn-lg {
    padding: 1.1rem 2rem;
    font-size: 1.05rem;
}

.btn-primary {
    background: linear-gradient(135deg, #ff7a00 0%, #e06600 100%);
    color: #ffffff;
    box-shadow: 0 4px 20px rgba(255, 122, 0, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(255, 122, 0, 0.6);
    background: linear-gradient(135deg, #ff8c1a 0%, #ff7a00 100%);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.06);
    color: #ffffff;
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    background: rgba(255, 122, 0, 0.08);
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-2px);
}

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

.btn-outline:hover {
    border-color: var(--primary);
    background: rgba(255, 122, 0, 0.07);
    color: var(--primary);
}

.btn-whatsapp {
    background: linear-gradient(135deg, #25d366 0%, #128c7e 100%);
    color: #ffffff;
    box-shadow: 0 4px 20px var(--whatsapp-glow);
}

.btn-whatsapp:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(37, 211, 102, 0.5);
}

/* ==========================================================================
   HEADER & NAVBAR
   ========================================================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: var(--bg-header);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
    transition: var(--transition);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

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

.brand-logo-img {
    height: 90px;
    width: auto;
    max-width: 280px;
    object-fit: contain;
    filter: drop-shadow(0 0 12px rgba(255, 122, 0, 0.3));
    transition: var(--transition);
}

.brand-logo-img:hover {
    transform: scale(1.04);
}

.logo-icon {
    width: 42px;
    height: 42px;
    border-radius: var(--radius-sm);
    background: linear-gradient(135deg, rgba(0, 242, 254, 0.2), rgba(59, 130, 246, 0.2));
    border: 1px solid var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    box-shadow: 0 0 15px var(--primary-glow);
}

.brand-title {
    font-size: 1.35rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    color: #ffffff;
}

.brand-title .highlight {
    color: var(--primary);
}

.brand-sub {
    display: block;
    font-size: 0.65rem;
    font-weight: 700;
    color: var(--text-muted);
    letter-spacing: 1px;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-muted);
    position: relative;
    padding: 0.5rem 0;
}

.nav-link:hover, .nav-link.active {
    color: #ffffff;
}

.nav-link.active::after, .nav-link:hover::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--primary);
    border-radius: 2px;
    box-shadow: 0 0 8px var(--primary);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.mobile-toggle {
    display: none;
    background: transparent;
    border: none;
    cursor: pointer;
    flex-direction: column;
    gap: 5px;
    padding: 0.5rem;
}

.mobile-toggle .bar {
    width: 24px;
    height: 2px;
    background: var(--text-main);
    border-radius: 2px;
    transition: var(--transition);
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero-section {
    position: relative;
    padding: 180px 0 100px;
    overflow: hidden;
    background-image: url('../assets/hero_bg.jpg');
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
}

.hero-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(10, 14, 23, 0.88) 0%,
        rgba(10, 14, 23, 0.72) 50%,
        rgba(10, 14, 23, 0.82) 100%
    );
    z-index: 1;
    pointer-events: none;
}


.hero-bg-glow {
    position: absolute;
    top: 10%;
    left: 50%;
    transform: translateX(-50%);
    width: 650px;
    height: 450px;
    background: radial-gradient(circle, rgba(255, 122, 0, 0.18) 0%, rgba(255, 149, 0, 0.08) 50%, transparent 70%);
    filter: blur(80px);
    pointer-events: none;
    z-index: 2;
}

.hero-grid-pattern {
    position: absolute;
    inset: 0;
    background-image: radial-gradient(rgba(255, 255, 255, 0.07) 1px, transparent 1px);
    background-size: 32px 32px;
    opacity: 0.4;
    pointer-events: none;
    z-index: 2;
}

.hero-container {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 2;
}

.badge-tech {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 1rem;
    background: rgba(255, 122, 0, 0.1);
    border: 1px solid rgba(255, 122, 0, 0.3);
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    color: var(--primary);
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--primary);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--primary);
    animation: pulse 2s infinite;
}

.hero-title {
    font-size: 3.25rem;
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -1px;
    margin-bottom: 1.5rem;
    color: #ffffff;
}

.hero-description {
    font-size: 1.15rem;
    color: var(--text-muted);
    margin-bottom: 2.25rem;
    max-width: 600px;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    margin-bottom: 3.5rem;
}

.hero-stats {
    display: flex;
    align-items: center;
    gap: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border);
}

.stat-number {
    display: block;
    font-size: 1.85rem;
    font-weight: 800;
    color: #ffffff;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: var(--border);
}

/* Hero Showcase Card */
.tech-card-showcase {
    background: var(--bg-card);
    backdrop-filter: blur(16px);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 2rem;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
    position: relative;
}

.tech-card-showcase::before {
    content: '';
    position: absolute;
    inset: -1px;
    border-radius: var(--radius-lg);
    padding: 1px;
    background: linear-gradient(135deg, rgba(0, 242, 254, 0.4), transparent 60%);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
}

.showcase-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding-bottom: 1.25rem;
    border-bottom: 1px solid var(--border);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 1px;
    color: var(--text-muted);
}

.status-indicator {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 10px var(--accent);
}

.showcase-grid {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    margin: 1.5rem 0;
}

.showcase-item {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.showcase-item:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: var(--border-highlight);
    transform: translateX(4px);
}

.showcase-icon {
    width: 52px;
    height: 52px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.camera-icon { background: rgba(0, 242, 254, 0.1); color: var(--primary); }
.network-icon { background: rgba(59, 130, 246, 0.1); color: var(--secondary); }
.rack-icon { background: rgba(16, 185, 129, 0.1); color: var(--accent); }

.showcase-info h4 {
    font-size: 1.05rem;
    color: #ffffff;
    font-weight: 700;
}

.showcase-info p {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.showcase-footer {
    text-align: center;
    padding-top: 1rem;
    border-top: 1px solid var(--border);
}

.pulse-tag {
    font-size: 0.8rem;
    color: var(--accent);
    font-weight: 600;
}

/* ==========================================================================
   SERVICES SECTION
   ========================================================================== */
.services-section {
    padding: 100px 0;
    position: relative;
}

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

.service-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 2.5rem 2rem;
    position: relative;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.service-card:hover {
    transform: translateY(-8px);
    border-color: var(--border-highlight);
    box-shadow: 0 15px 40px rgba(0, 242, 254, 0.12);
    background: var(--bg-card-hover);
}

.highlight-card {
    border-color: var(--primary);
    box-shadow: 0 10px 30px rgba(0, 242, 254, 0.15);
}

.popular-tag {
    position: absolute;
    top: -14px;
    right: 24px;
    background: linear-gradient(135deg, #00f2fe, #0072ff);
    color: #fff;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 0.3rem 0.9rem;
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.service-img-thumb {
    width: 100%;
    height: 180px;
    border-radius: var(--radius-md);
    overflow: hidden;
    margin-bottom: 1.5rem;
    border: 1px solid var(--border);
}

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

.service-card:hover .service-img-thumb img {
    transform: scale(1.06);
}

.service-icon-wrapper {
    width: 68px;
    height: 68px;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, rgba(0, 242, 254, 0.1), rgba(59, 130, 246, 0.1));
    border: 1px solid rgba(0, 242, 254, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    margin-bottom: 1.75rem;
}

.service-title {
    font-size: 1.35rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 1rem;
}

.service-text {
    font-size: 0.95rem;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}

.service-features {
    margin-bottom: 2rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.service-features li {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-size: 0.9rem;
    color: var(--text-main);
}

.service-features li svg {
    color: var(--accent);
    flex-shrink: 0;
}

.service-link {
    margin-top: auto;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 700;
    font-size: 0.95rem;
    color: var(--primary);
}

.service-link:hover {
    gap: 0.75rem;
    color: #ffffff;
}

.ai-cameras-section {
    padding: 5rem 0;
    background-color: var(--surface-color);
}

.ai-cameras-section .grid-2-cols {
    align-items: center;
}

.ai-cameras-text {
    margin-bottom: 1rem;
}

.ai-cameras-text--spaced {
    margin-bottom: 1.5rem;
}

.ai-cameras-text--lead {
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.ai-cameras-list {
    list-style-type: disc;
    margin-left: 1.5rem;
    margin-bottom: 1.5rem;
    color: var(--text-main);
}

.ai-cameras-list li {
    margin-bottom: 0.5rem;
    line-height: 1.7;
}

.ai-cameras-features {
    margin-top: 2rem;
}

.ai-cameras-features li {
    margin-bottom: 1rem;
}

.ai-cameras-image {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
    aspect-ratio: 16/9;
    width: 100%;
    background: #000;
}

.ai-cameras-thumb {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    opacity: 0.8;
    transition: opacity 0.3s;
}

.ai-cameras-image:hover .ai-cameras-thumb {
    opacity: 1;
}

.video-play-button {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(0, 255, 136, 0.9);
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 0 20px rgba(0, 255, 136, 0.4);
    pointer-events: none;
}

.ai-cameras-badge {
    position: absolute;
    top: 20px;
    left: 20px;
    background: rgba(15, 23, 42, 0.85);
    color: #fff;
    padding: 10px 16px;
    border-radius: 30px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 500;
    font-size: 0.9rem;
    backdrop-filter: blur(5px);
    pointer-events: none;
    z-index: 10;
}

.ai-cameras-cta {
    margin-top: 1.5rem;
}

.client-logos-section {
    margin-top: 4rem;
    text-align: center;
}

.client-logos-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--heading-color);
    margin-bottom: 2rem;
}

.client-logos {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 3rem;
    align-items: center;
}

.client-logo {
    max-height: 60px;
    max-width: 150px;
    object-fit: contain;
    filter: grayscale(100%);
    opacity: 0.6;
    transition: all 0.3s;
    cursor: pointer;
}

.client-logo:hover {
    filter: grayscale(0%);
    opacity: 1;
}

/* ==========================================================================
   DIFFERENTIALS SECTION
   ========================================================================== */
.differentials-section {
    padding: 100px 0;
    background: rgba(17, 24, 39, 0.4);
    border-y: 1px solid var(--border);
}

.grid-2-cols {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.diff-list {
    margin-top: 2.5rem;
    display: flex;
    flex-direction: column;
    gap: 1.75rem;
}

.diff-item {
    display: flex;
    gap: 1.25rem;
}

.diff-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-sm);
    background: rgba(0, 242, 254, 0.1);
    border: 1px solid rgba(0, 242, 254, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    flex-shrink: 0;
}

.diff-item h4 {
    font-size: 1.1rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 0.25rem;
}

.diff-item p {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.guarantee-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 3rem 2.5rem;
    text-align: center;
    position: relative;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.guarantee-badge {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(0, 242, 254, 0.2), rgba(0, 114, 255, 0.2));
    border: 1px solid var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    margin: 0 auto 1.5rem;
}

.guarantee-card h3 {
    font-size: 1.5rem;
    color: #ffffff;
    margin-bottom: 1rem;
}

.guarantee-card p {
    color: var(--text-muted);
    margin-bottom: 2rem;
}

/* ==========================================================================
   SIMULATOR SECTION
   ========================================================================== */
.simulator-section {
    padding: 100px 0;
}

.simulator-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 3rem;
    max-width: 900px;
    margin: 0 auto;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.4);
}

.sim-label {
    display: block;
    font-size: 1.1rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 1rem;
}

.sim-sublabel {
    display: block;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--primary);
    margin: 1rem 0 0.5rem;
}

.mb-2 { margin-bottom: 0.5rem; }
.mt-2 { margin-top: 0.5rem; }

.options-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin-bottom: 1rem;
}

.mb-3 {
    margin-bottom: 1rem;
}

.option-box-sm {
    padding: 0.85rem 0.75rem;
    flex-direction: row;
    justify-content: center;
    gap: 0.5rem;
}

.option-box-sm span {
    font-size: 0.85rem;
}

.radio-option input {
    display: none;
}

.option-box {
    padding: 1.25rem 1rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
}

.option-box svg {
    color: var(--text-muted);
    transition: var(--transition);
}

.option-box span {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-muted);
}

.radio-option input:checked + .option-box {
    background: rgba(0, 242, 254, 0.1);
    border-color: var(--primary);
    box-shadow: 0 0 15px var(--primary-glow);
}

.radio-option input:checked + .option-box svg {
    color: var(--primary);
}

.radio-option input:checked + .option-box span {
    color: #ffffff;
}

.range-control {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    background: rgba(255, 255, 255, 0.03);
    padding: 1.25rem 1.5rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
}

.slider {
    flex: 1;
    -webkit-appearance: none;
    appearance: none;
    height: 8px;
    border-radius: 4px;
    background: #1f2937;
    outline: none;
}

.slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--primary);
    cursor: pointer;
    box-shadow: 0 0 12px var(--primary);
    transition: var(--transition);
}

.range-val {
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--primary);
    min-width: 110px;
    text-align: right;
}

.checkbox-group {
    background: rgba(255, 255, 255, 0.03);
    padding: 1.25rem 1.5rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
}

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

.checkbox-option input {
    display: none;
}

.custom-checkbox {
    width: 22px;
    height: 22px;
    border-radius: 6px;
    border: 2px solid var(--border);
    background: rgba(255, 255, 255, 0.05);
    display: inline-block;
    position: relative;
    transition: var(--transition);
}

.checkbox-option input:checked + .custom-checkbox {
    background: var(--primary);
    border-color: var(--primary);
}

.checkbox-option input:checked + .custom-checkbox::after {
    content: '✓';
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #000;
    font-weight: 800;
    font-size: 0.85rem;
}

.sim-summary {
    margin-top: 2.5rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
}

.summary-details p {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.summary-details h3 {
    font-size: 1.15rem;
    color: #ffffff;
    font-weight: 700;
}

/* ==========================================================================
   CLIENTS SECTION
   ========================================================================== */
.clients-section {
    padding: 100px 0;
    background: rgba(17, 24, 39, 0.3);
}

.clients-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    margin-bottom: 3.5rem;
}

.client-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 2rem 1.5rem;
    text-align: center;
    transition: var(--transition);
}

.client-card:hover {
    border-color: var(--border-highlight);
    transform: translateY(-5px);
}

.client-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: rgba(0, 242, 254, 0.1);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.25rem;
}

.client-card h4 {
    font-size: 1.1rem;
    color: #ffffff;
    margin-bottom: 0.5rem;
}

.client-card p {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.partners-bar {
    text-align: center;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
}

.partners-title {
    display: block;
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 600;
    margin-bottom: 1.25rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.partner-tags {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 1rem;
}

.partner-tag {
    padding: 0.5rem 1.25rem;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border);
    border-radius: var(--radius-full);
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--text-main);
}

/* ==========================================================================
   CONTACT SECTION
   ========================================================================== */
.contact-section {
    padding: 100px 0;
}

.contact-methods {
    margin-top: 2.5rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    padding: 1.25rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
}

.c-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-sm);
    background: rgba(0, 242, 254, 0.1);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
}

.contact-item span {
    display: block;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.contact-item strong {
    font-size: 1.05rem;
    color: #ffffff;
}

.contact-form-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 3rem;
}

.contact-form-card h3 {
    font-size: 1.5rem;
    color: #ffffff;
    margin-bottom: 1.5rem;
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

.form-group input, .form-group textarea {
    width: 100%;
    padding: 0.85rem 1rem;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: #ffffff;
    font-family: inherit;
    font-size: 0.95rem;
    outline: none;
    transition: var(--transition);
}

.form-group input:focus, .form-group textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 10px var(--primary-glow);
    background: rgba(255, 255, 255, 0.08);
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.footer {
    background: #06090f;
    border-top: 1px solid var(--border);
    padding: 80px 0 0;
}

.footer-container {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 4rem;
    padding-bottom: 4rem;
}

.footer-brand p {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-top: 1rem;
    max-width: 380px;
}

.footer-links h4, .footer-services h4 {
    font-size: 1.1rem;
    color: #ffffff;
    margin-bottom: 1.25rem;
}

.footer-links ul, .footer-services ul {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-links a, .footer-services li {
    font-size: 0.9rem;
    color: var(--text-muted);
}

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

.footer-bottom {
    border-top: 1px solid var(--border);
    padding: 1.5rem 0;
    color: var(--text-dim);
    font-size: 0.85rem;
}

/* ==========================================================================
   FLOATING WHATSAPP WIDGET
   ========================================================================== */
.whatsapp-widget {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 9999;
}

.wa-button {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: linear-gradient(135deg, #25d366 0%, #128c7e 100%);
    color: #ffffff;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 25px rgba(37, 211, 102, 0.4);
    position: relative;
    transition: var(--transition);
}

.wa-button:hover {
    transform: scale(1.08);
}

.wa-badge-pulse {
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    border: 2px solid #25d366;
    animation: wa-ping 2s infinite;
}

.wa-popup {
    position: absolute;
    bottom: 80px;
    right: 0;
    width: 320px;
    background: #111827;
    border: 1px solid var(--border-highlight);
    border-radius: var(--radius-md);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.6);
    display: none;
    flex-direction: column;
    overflow: hidden;
    animation: slideUp 0.3s ease;
}

.wa-popup.active {
    display: flex;
}

.wa-header {
    background: #0f172a;
    padding: 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    border-bottom: 1px solid var(--border);
}

.wa-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--whatsapp);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
}

.wa-title strong {
    display: block;
    font-size: 0.9rem;
    color: #fff;
}

.wa-title span {
    font-size: 0.75rem;
    color: var(--accent);
}

.wa-close {
    margin-left: auto;
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 1.5rem;
    cursor: pointer;
}

.wa-body {
    padding: 1.25rem;
    background: rgba(255, 255, 255, 0.02);
}

.wa-msg {
    font-size: 0.9rem;
    background: rgba(37, 211, 102, 0.1);
    border: 1px solid rgba(37, 211, 102, 0.2);
    padding: 0.85rem;
    border-radius: var(--radius-sm);
    color: #fff;
}

.wa-footer {
    padding: 1rem;
}

/* ==========================================================================
   ANIMATIONS & RESPONSIVE DESIGN
   ========================================================================== */
@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.4; transform: scale(1.2); }
}

@keyframes wa-ping {
    0% { transform: scale(1); opacity: 0.8; }
    100% { transform: scale(1.4); opacity: 0; }
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(15px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Responsive Media Queries */
@media (max-width: 1024px) {
    .hero-container, .grid-2-cols, .footer-container {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .services-grid, .clients-grid, .options-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .hero-title { font-size: 2.35rem; }
    .section-title { font-size: 1.85rem; }

    .hero-section { padding: 140px 0 80px; }
    .hero-description { font-size: 1rem; max-width: 100%; }
    .hero-buttons { flex-direction: column; align-items: stretch; }
    .hero-buttons .btn { width: 100%; justify-content: center; }
    .hero-stats { flex-wrap: wrap; justify-content: center; gap: 1rem; }
    .stat-divider { display: none; }

    .nav-menu {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background: #0a0e17;
        flex-direction: column;
        justify-content: center;
        padding: 1.5rem;
        overflow-y: auto;
        transition: var(--transition);
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-actions {
        gap: 0.75rem;
    }

    .mobile-toggle {
        display: flex;
    }

    .mobile-toggle.active .bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
    .mobile-toggle.active .bar:nth-child(2) { opacity: 0; }
    .mobile-toggle.active .bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

    .services-grid, .clients-grid, .options-grid {
        grid-template-columns: 1fr;
    }

    .tech-grid {
        grid-template-columns: 1fr;
    }

    .sim-summary {
        flex-direction: column;
        align-items: stretch;
        text-align: center;
    }

    .service-card {
        padding: 2rem 1.5rem;
    }

    .simulator-card {
        padding: 2rem 1.5rem;
    }

    .contact-item {
        flex-direction: column;
        align-items: flex-start;
    }

    .contact-item strong {
        display: block;
        margin-top: 0.25rem;
    }

    .wa-popup {
        width: calc(100vw - 32px);
        right: 16px;
        bottom: 90px;
    }

    .whatsapp-widget {
        right: 16px;
        bottom: 16px;
    }

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

    .partner-tags {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    html { font-size: 15px; }
    .container { padding: 0 1rem; }

    .hero-section { padding: 120px 0 60px; }
    .hero-title { font-size: 2rem; }
    .hero-buttons { gap: 0.75rem; }

    .badge-tech { padding: 0.35rem 0.9rem; }
    .section-title { font-size: 1.65rem; }
    .section-desc { font-size: 1rem; }

    .logo { gap: 0.5rem; }
    .brand-logo-img { max-width: 180px; }

    .service-card { padding: 1.75rem 1.25rem; }
    .service-title { font-size: 1.2rem; }
    .service-text, .service-features li { font-size: 0.9rem; }

    .option-box { padding: 1rem 0.9rem; }
    .option-box-sm { padding: 0.9rem 0.8rem; }

    .range-control, .checkbox-group {
        padding: 1rem 1rem;
    }

    .contact-form-card { padding: 2rem 1.5rem; }
    .form-group input, .form-group textarea { font-size: 0.95rem; }
}