/* =============================================
   ARCANJO STREAM - Estilos Principais
   Paleta: Azul #0EA5E9 | Navy #0F172A | Laranja #F97316
   ============================================= */

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

:root {
    --blue-primary: #0EA5E9;
    --blue-dark: #0F172A;
    --blue-darker: #020617;
    --orange: #F97316;
    --orange-dark: #EA580C;
    --gray-light: #F8FAFC;
    --gray-100: #F1F5F9;
    --gray-200: #E2E8F0;
    --gray-300: #CBD5E1;
    --gray-400: #94A3B8;
    --gray-500: #64748B;
    --gray-600: #475569;
    --white: #FFFFFF;
    --success: #10B981;
    --error: #EF4444;
    
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-md: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);
    --transition: all 0.3s ease;
    --radius: 12px;
    --radius-lg: 20px;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    font-size: 16px;
    line-height: 1.6;
    color: var(--blue-dark);
    background-color: var(--white);
    overflow-x: hidden;
}

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

ul, ol {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Typography */
.text-gradient {
    background: linear-gradient(135deg, var(--blue-primary) 0%, var(--orange) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.text-highlight {
    color: var(--blue-primary);
}

.text-orange {
    color: var(--orange);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 28px;
    font-size: 15px;
    font-weight: 600;
    border-radius: var(--radius);
    transition: var(--transition);
    cursor: pointer;
    border: 2px solid transparent;
}

.btn-primary {
    background: linear-gradient(135deg, var(--blue-primary) 0%, #0284C7 100%);
    color: var(--white);
    box-shadow: 0 4px 14px 0 rgba(14, 165, 233, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px 0 rgba(14, 165, 233, 0.5);
}

.btn-outline {
    background: transparent;
    color: var(--blue-dark);
    border-color: var(--gray-300);
}

.btn-outline:hover {
    border-color: var(--blue-primary);
    color: var(--blue-primary);
    background: rgba(14, 165, 233, 0.05);
}

.btn-lg {
    padding: 16px 36px;
    font-size: 16px;
}

.btn-block {
    width: 100%;
}

.btn-whatsapp {
    background: #25D366;
    color: var(--white);
}

.btn-whatsapp:hover {
    background: #128C7E;
    transform: translateY(-2px);
}

/* =============================================
   HEADER
   ============================================= */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--gray-200);
    transition: var(--transition);
}

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

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 22px;
    font-weight: 800;
    color: var(--blue-dark);
}

.logo-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 45px;
    height: 45px;
    background: linear-gradient(135deg, var(--blue-primary) 0%, var(--orange) 100%);
    border-radius: 12px;
    color: var(--white);
    font-size: 20px;
}

.logo-text span {
    color: var(--blue-primary);
}

.nav {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-link {
    font-size: 15px;
    font-weight: 500;
    color: var(--gray-600);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--blue-primary);
    transition: var(--transition);
}

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

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

.btn-cta {
    padding: 10px 24px;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
}

.menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--blue-dark);
    transition: var(--transition);
}

/* =============================================
   HERO SECTION
   ============================================= */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 0 80px;
    background: linear-gradient(135deg, var(--blue-dark) 0%, #1E293B 100%);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%230EA5E9' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.5;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content {
    color: var(--white);
}

.hero-title {
    font-size: 52px;
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 24px;
}

.hero-subtitle {
    font-size: 18px;
    color: var(--gray-400);
    margin-bottom: 32px;
    max-width: 520px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 48px;
}

.hero-stats {
    display: flex;
    gap: 48px;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 36px;
    font-weight: 800;
    color: var(--blue-primary);
}

.stat-label {
    font-size: 14px;
    color: var(--gray-400);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Hero Illustration */
.hero-illustration {
    position: relative;
    width: 100%;
    height: 450px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.server-rack {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 30px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
}

.server {
    width: 200px;
    height: 50px;
    background: linear-gradient(90deg, var(--blue-primary), var(--orange));
    border-radius: 8px;
    position: relative;
}

.server::before {
    content: '';
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    width: 8px;
    height: 8px;
    background: #10B981;
    border-radius: 50%;
    box-shadow: 0 0 10px #10B981;
    animation: blink 1.5s infinite;
}

.server::after {
    content: '';
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    width: 60px;
    height: 6px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 3px;
}

.sound-waves {
    position: absolute;
    right: -60px;
    display: flex;
    align-items: center;
    gap: 6px;
    height: 100px;
}

.sound-waves span {
    width: 6px;
    background: var(--orange);
    border-radius: 3px;
    animation: wave 1s ease-in-out infinite;
}

.sound-waves span:nth-child(1) { height: 30px; animation-delay: 0s; }
.sound-waves span:nth-child(2) { height: 60px; animation-delay: 0.1s; }
.sound-waves span:nth-child(3) { height: 90px; animation-delay: 0.2s; }
.sound-waves span:nth-child(4) { height: 60px; animation-delay: 0.3s; }
.sound-waves span:nth-child(5) { height: 30px; animation-delay: 0.4s; }

.floating-icons {
    position: absolute;
    width: 100%;
    height: 100%;
}

.floating-icons i {
    position: absolute;
    font-size: 28px;
    color: var(--blue-primary);
    animation: float 3s ease-in-out infinite;
}

.floating-icons i:nth-child(1) { top: 10%; right: 20%; animation-delay: 0s; }
.floating-icons i:nth-child(2) { top: 50%; right: 5%; animation-delay: 0.5s; color: var(--orange); }
.floating-icons i:nth-child(3) { bottom: 20%; right: 25%; animation-delay: 1s; }

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

@keyframes wave {
    0%, 100% { transform: scaleY(1); }
    50% { transform: scaleY(0.5); }
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}

.hero-wave {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    line-height: 0;
}

.hero-wave svg {
    width: 100%;
    height: auto;
}

/* Animations */
.animate-fade-up {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeUp 0.8s ease forwards;
}

.animate-fade-left {
    opacity: 0;
    transform: translateX(30px);
    animation: fadeLeft 0.8s ease forwards;
}

.delay-1 { animation-delay: 0.2s; }
.delay-2 { animation-delay: 0.4s; }
.delay-3 { animation-delay: 0.6s; }

@keyframes fadeUp {
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeLeft {
    to { opacity: 1; transform: translateX(0); }
}

/* =============================================
   SECTIONS COMMON
   ============================================= */
section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-tag {
    display: inline-block;
    padding: 8px 20px;
    background: rgba(14, 165, 233, 0.1);
    color: var(--blue-primary);
    font-size: 14px;
    font-weight: 600;
    border-radius: 50px;
    margin-bottom: 16px;
}

.section-title {
    font-size: 42px;
    font-weight: 800;
    color: var(--blue-dark);
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 18px;
    color: var(--gray-500);
    max-width: 600px;
    margin: 0 auto;
}

/* =============================================
   SERVICES SECTION
   ============================================= */
.services {
    background: var(--gray-light);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.service-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: var(--radius-lg);
    text-align: center;
    transition: var(--transition);
    border: 1px solid var(--gray-200);
}

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

.service-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(14, 165, 233, 0.1) 0%, rgba(249, 115, 22, 0.1) 100%);
    border-radius: 20px;
    font-size: 32px;
    color: var(--blue-primary);
    transition: var(--transition);
}

.service-card:hover .service-icon {
    background: linear-gradient(135deg, var(--blue-primary) 0%, var(--orange) 100%);
    color: var(--white);
}

.service-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--blue-dark);
    margin-bottom: 12px;
}

.service-desc {
    font-size: 15px;
    color: var(--gray-500);
    margin-bottom: 16px;
    line-height: 1.6;
}

.service-price {
    display: block;
    font-size: 14px;
    color: var(--orange);
    font-weight: 600;
    margin-bottom: 20px;
}

.service-link {
    font-size: 14px;
    font-weight: 600;
    color: var(--blue-primary);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.service-link:hover {
    gap: 10px;
}

/* =============================================
   GUARANTEE SECTION
   ============================================= */
.guarantee {
    padding: 80px 0;
    background: var(--white);
}

.guarantee-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 60px;
    background: linear-gradient(135deg, var(--blue-dark) 0%, #1E293B 100%);
    padding: 60px;
    border-radius: var(--radius-lg);
    position: relative;
    overflow: hidden;
}

.guarantee-card::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 400px;
    height: 400px;
    background: rgba(14, 165, 233, 0.1);
    border-radius: 50%;
}

.guarantee-content {
    position: relative;
    z-index: 1;
    color: var(--white);
}

.guarantee-title {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 20px;
}

.guarantee-number {
    font-size: 120px;
    font-weight: 800;
    color: var(--orange);
    line-height: 1;
    margin-bottom: 20px;
}

.guarantee-text {
    font-size: 16px;
    color: var(--gray-300);
    max-width: 500px;
    margin-bottom: 24px;
}

.guarantee-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--blue-primary);
    font-weight: 600;
}

.guarantee-link:hover {
    color: var(--orange);
}

.guarantee-badge {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 180px;
    height: 180px;
    background: linear-gradient(135deg, var(--orange) 0%, var(--orange-dark) 100%);
    border-radius: 50%;
    color: var(--white);
    text-align: center;
    flex-shrink: 0;
}

.guarantee-badge i {
    font-size: 48px;
    margin-bottom: 8px;
}

.guarantee-badge span {
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
}

/* =============================================
   PLANS SECTION
   ============================================= */
.plans {
    background: var(--gray-light);
}

.plans-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    align-items: start;
}

.plan-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-200);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.plan-card:hover {
    border-color: var(--orange);
    box-shadow: var(--shadow-lg);
}

.plan-card.featured {
    border-color: var(--orange);
    border-width: 2px;
}

.plan-badge {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    background: var(--orange);
    color: var(--white);
    padding: 8px 24px;
    border-radius: 0 0 12px 12px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.plan-header {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 30px 30px 0;
}

.plan-card.featured .plan-header {
    padding-top: 50px;
}

.plan-icon {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.plan-icon i {
    font-size: 40px;
    color: var(--orange);
}

.plan-name {
    text-align: left;
}

.plan-label {
    font-size: 14px;
    color: var(--gray-500);
    font-weight: 500;
}

.plan-title {
    font-size: 28px;
    font-weight: 800;
    color: var(--orange);
    line-height: 1.1;
}

.plan-price {
    padding: 20px 30px;
    text-align: left;
}

.plan-price .price-value {
    font-size: 42px;
    font-weight: 800;
    color: var(--orange);
}

.plan-price .price-period {
    font-size: 18px;
    color: var(--gray-500);
    font-weight: 500;
}

.btn-contratar {
    display: block;
    margin: 0 30px 30px;
    padding: 14px 30px;
    background: var(--orange);
    color: var(--white);
    border-radius: 50px;
    font-size: 14px;
    font-weight: 700;
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: var(--transition);
}

.btn-contratar:hover {
    background: var(--orange-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(249, 115, 22, 0.4);
}

.plan-features-list {
    border-top: 1px solid var(--gray-200);
    padding: 20px 30px;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 8px 0;
    text-align: left;
}

.feature-icon {
    flex-shrink: 0;
    margin-top: 2px;
}

.feature-icon i {
    font-size: 18px;
}

.feature-item.available .feature-icon i {
    color: var(--success);
}

.feature-item.unavailable .feature-icon i {
    color: var(--gray-400);
}

.feature-item.unavailable .feature-text {
    color: var(--gray-400);
    text-decoration: line-through;
}

.feature-text {
    font-size: 14px;
    color: var(--gray-700);
    line-height: 1.5;
    text-align: left;
}

.feature-text strong {
    font-weight: 700;
    color: var(--blue-dark);
}

/* =============================================
   DIFFERENTIALS SECTION
   ============================================= */
.differentials {
    background: var(--white);
}

.differentials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.differential-item {
    display: flex;
    gap: 20px;
    padding: 30px;
    background: var(--gray-light);
    border-radius: var(--radius-lg);
    transition: var(--transition);
}

.differential-item:hover {
    background: var(--white);
    box-shadow: var(--shadow-lg);
    transform: translateY(-5px);
}

.differential-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--blue-primary) 0%, var(--orange) 100%);
    border-radius: 16px;
    color: var(--white);
    font-size: 24px;
    flex-shrink: 0;
}

.differential-content h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--blue-dark);
    margin-bottom: 8px;
}

.differential-content p {
    font-size: 14px;
    color: var(--gray-500);
    line-height: 1.6;
}

/* =============================================
   TESTIMONIALS SECTION
   ============================================= */
.testimonials {
    background: var(--gray-light);
}

.testimonials-slider {
    position: relative;
    overflow: hidden;
}

.testimonials-track {
    display: flex;
    gap: 30px;
    transition: transform 0.5s ease;
}

.testimonial-card {
    min-width: calc(33.333% - 20px);
    background: var(--white);
    padding: 40px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-200);
}

.testimonial-rating {
    display: flex;
    gap: 4px;
    margin-bottom: 20px;
}

.testimonial-rating i {
    color: #FBBF24;
    font-size: 16px;
}

.testimonial-text {
    font-size: 16px;
    color: var(--gray-600);
    line-height: 1.7;
    margin-bottom: 24px;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 16px;
}

.author-avatar {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--blue-primary) 0%, var(--orange) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 20px;
    overflow: hidden;
}

.author-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.author-info strong {
    display: block;
    font-size: 16px;
    color: var(--blue-dark);
}

.author-info span {
    font-size: 14px;
    color: var(--gray-500);
}

.slider-dots {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 30px;
}

.slider-dots .dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--gray-300);
    cursor: pointer;
    transition: var(--transition);
}

.slider-dots .dot.active {
    background: var(--blue-primary);
    width: 30px;
    border-radius: 5px;
}

/* =============================================
   CONTACT SECTION
   ============================================= */
.contact {
    background: var(--white);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 60px;
}

.contact-form {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group.full-width {
    grid-column: span 2;
}

.form-group label {
    font-size: 14px;
    font-weight: 600;
    color: var(--gray-600);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 14px 18px;
    font-size: 15px;
    font-family: inherit;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius);
    transition: var(--transition);
    background: var(--white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--blue-primary);
    box-shadow: 0 0 0 4px rgba(14, 165, 233, 0.1);
}

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

.contact-form .btn {
    grid-column: span 2;
    margin-top: 10px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.contact-card {
    padding: 30px;
    background: var(--gray-light);
    border-radius: var(--radius-lg);
    text-align: center;
}

.contact-card.whatsapp {
    background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
    color: var(--white);
}

.contact-card.whatsapp h3,
.contact-card.whatsapp p {
    color: var(--white);
}

.contact-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--white);
    border-radius: 50%;
    font-size: 24px;
    color: var(--blue-primary);
}

.contact-card.whatsapp .contact-icon {
    color: #25D366;
}

.contact-card h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--blue-dark);
    margin-bottom: 8px;
}

.contact-card p {
    font-size: 14px;
    color: var(--gray-500);
    margin-bottom: 16px;
}

.contact-social {
    padding: 30px;
    background: var(--gray-light);
    border-radius: var(--radius-lg);
    text-align: center;
}

.contact-social h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--blue-dark);
    margin-bottom: 16px;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 12px;
}

.social-links a {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--white);
    border-radius: 50%;
    color: var(--gray-600);
    font-size: 18px;
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--blue-primary);
    color: var(--white);
    transform: translateY(-3px);
}

/* =============================================
   FOOTER
   ============================================= */
.footer {
    background: var(--blue-dark);
    color: var(--gray-400);
    padding: 80px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr repeat(3, 1fr);
    gap: 60px;
    padding-bottom: 50px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand .logo {
    margin-bottom: 20px;
}

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

.footer-brand p {
    font-size: 14px;
    line-height: 1.7;
    margin-bottom: 24px;
}

.footer-brand .social-links a {
    background: rgba(255, 255, 255, 0.1);
    color: var(--gray-400);
}

.footer-brand .social-links a:hover {
    background: var(--blue-primary);
    color: var(--white);
}

.footer-links h4 {
    color: var(--white);
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 24px;
}

.footer-links ul li {
    margin-bottom: 12px;
}

.footer-links ul li a {
    font-size: 14px;
    color: var(--gray-400);
}

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 30px;
    font-size: 14px;
}

.footer-bottom .fa-heart {
    color: var(--orange);
}

/* =============================================
   FLOATING ELEMENTS
   ============================================= */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 28px;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    z-index: 999;
    transition: var(--transition);
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 30px rgba(37, 211, 102, 0.5);
}

.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 100px;
    width: 50px;
    height: 50px;
    background: var(--blue-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 18px;
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: var(--orange);
    transform: translateY(-3px);
}

/* =============================================
   RESPONSIVE DESIGN
   ============================================= */
@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-content {
        order: 1;
    }
    
    .hero-image {
        order: 2;
        display: none;
    }
    
    .hero-title {
        font-size: 40px;
    }
    
    .hero-subtitle {
        margin: 0 auto 32px;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .plans-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .plan-card.featured {
        transform: none;
    }
    
    .differentials-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .testimonial-card {
        min-width: calc(50% - 15px);
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav {
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: 30px;
        gap: 20px;
        box-shadow: var(--shadow-lg);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
    }
    
    .nav.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .btn-cta {
        display: none;
    }
    
    .menu-toggle {
        display: flex;
    }
    
    .menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }
    
    .hero {
        min-height: auto;
        padding: 120px 0 100px;
    }
    
    .hero-title {
        font-size: 32px;
    }
    
    .hero-subtitle {
        font-size: 16px;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .hero-stats {
        flex-wrap: wrap;
        gap: 30px;
    }
    
    .section-title {
        font-size: 32px;
    }
    
    .services-grid,
    .plans-grid {
        grid-template-columns: 1fr;
    }
    
    .guarantee-card {
        flex-direction: column;
        text-align: center;
        padding: 40px;
    }
    
    .guarantee-number {
        font-size: 80px;
    }
    
    .guarantee-text {
        max-width: 100%;
    }
    
    .differentials-grid {
        grid-template-columns: 1fr;
    }
    
    .testimonial-card {
        min-width: 100%;
    }
    
    .contact-form {
        grid-template-columns: 1fr;
    }
    
    .form-group.full-width,
    .contact-form .btn {
        grid-column: span 1;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 10px;
        text-align: center;
    }
    
    .whatsapp-float {
        bottom: 20px;
        right: 20px;
    }
    
    .back-to-top {
        right: 20px;
        bottom: 90px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    section {
        padding: 60px 0;
    }
    
    .hero-title {
        font-size: 28px;
    }
    
    .section-title {
        font-size: 26px;
    }
    
    .stat-number {
        font-size: 28px;
    }
    
    .plan-price .amount {
        font-size: 36px;
    }
}