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

:root {
    --primary: #FF6B00;
    --primary-dark: #E05500;
    --primary-light: #FF8C33;
    --secondary: #1B5E20;
    --secondary-light: #2E7D32;
    --dark: #0A0A0A;
    --dark-light: #1A1A1A;
    --gray-900: #212121;
    --gray-800: #333333;
    --gray-700: #4A4A4A;
    --gray-600: #666666;
    --gray-400: #999999;
    --gray-200: #E0E0E0;
    --gray-100: #F5F5F5;
    --white: #FFFFFF;
    --gradient-primary: linear-gradient(135deg, #FF6B00, #FF8C33);
    --gradient-dark: linear-gradient(135deg, #1A1A1A, #2D2D2D);
    --gradient-green: linear-gradient(135deg, #1B5E20, #2E7D32);
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 20px rgba(0,0,0,0.12);
    --shadow-lg: 0 8px 40px rgba(0,0,0,0.16);
    --shadow-xl: 0 16px 60px rgba(0,0,0,0.2);
    --shadow-glow: 0 0 30px rgba(255, 107, 0, 0.3);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 30px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Open Sans', sans-serif;
}

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

body {
    font-family: var(--font-body);
    color: var(--gray-800);
    background: var(--white);
    line-height: 1.7;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

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

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

/* ===== PRELOADER ===== */
#preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--dark);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 99999;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

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

.loader {
    text-align: center;
}

.loader-flame {
    width: 40px;
    height: 40px;
    background: var(--gradient-primary);
    border-radius: 50% 50% 50% 0;
    transform: rotate(-45deg);
    margin: 0 auto 20px;
    animation: pulse 1.2s ease-in-out infinite;
}

.loader span {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--white);
    letter-spacing: 4px;
}

@keyframes pulse {
    0%, 100% { transform: rotate(-45deg) scale(1); opacity: 1; }
    50% { transform: rotate(-45deg) scale(1.2); opacity: 0.7; }
}

/* ===== HEADER ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 16px 0;
    transition: var(--transition);
}

.header.scrolled {
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(20px);
    padding: 10px 0;
    box-shadow: 0 2px 20px rgba(0,0,0,0.3);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.nav-logo {
    display: flex;
    flex-direction: column;
    line-height: 1;
}

.logo-text {
    font-family: var(--font-heading);
    font-size: 1.6rem;
    font-weight: 900;
    color: var(--primary);
    letter-spacing: 2px;
}

.logo-sub {
    font-family: var(--font-heading);
    font-size: 0.65rem;
    font-weight: 600;
    color: var(--gray-400);
    letter-spacing: 4px;
    text-transform: uppercase;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 32px;
}

.nav-link {
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--white);
    text-transform: uppercase;
    letter-spacing: 1px;
    position: relative;
    padding: 4px 0;
}

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

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

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

.nav-cta {
    display: flex;
    align-items: center;
    gap: 8px;
    background: #25D366;
    color: var(--white);
    padding: 10px 20px;
    border-radius: var(--radius-xl);
    font-family: var(--font-heading);
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.nav-cta:hover {
    background: #128C7E;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 5px;
}

.nav-toggle span {
    width: 25px;
    height: 2px;
    background: var(--white);
    transition: var(--transition);
}

/* ===== HERO ===== */
.hero {
    min-height: 100vh;
    background: var(--dark);
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding: 120px 0 80px;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(ellipse at 30% 50%, rgba(255, 107, 0, 0.08) 0%, transparent 60%),
                radial-gradient(ellipse at 70% 80%, rgba(27, 94, 32, 0.05) 0%, transparent 50%);
}

.hero-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: rgba(255, 107, 0, 0.1);
    border: 1px solid rgba(255, 107, 0, 0.3);
    padding: 8px 16px;
    border-radius: var(--radius-xl);
    margin-bottom: 24px;
}

.hero-badge i {
    color: var(--primary);
    font-size: 0.9rem;
}

.hero-badge span {
    font-family: var(--font-heading);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--primary-light);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.hero-title {
    font-family: var(--font-heading);
    margin-bottom: 24px;
}

.title-line {
    display: block;
}

.title-line:first-child {
    font-size: 1.2rem;
    font-weight: 400;
    color: var(--gray-400);
    text-transform: uppercase;
    letter-spacing: 4px;
}

.title-highlight {
    font-size: 3.5rem;
    font-weight: 900;
    color: var(--white);
    line-height: 1.1;
}

.title-model {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--gray-400);
    margin-top: 8px;
}

.model-number {
    color: var(--primary);
    font-size: 3rem;
    font-weight: 900;
}

.hero-description {
    font-size: 1.05rem;
    color: var(--gray-400);
    line-height: 1.8;
    margin-bottom: 32px;
}

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

.hero-metrics {
    display: flex;
    gap: 32px;
    margin-bottom: 40px;
    padding: 24px 0;
    border-top: 1px solid rgba(255,255,255,0.08);
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.metric {
    text-align: center;
}

.metric-value {
    display: block;
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--primary);
    line-height: 1;
}

.metric-unit {
    display: block;
    font-size: 0.8rem;
    color: var(--gray-400);
    margin-top: 4px;
}

.metric-label {
    display: block;
    font-size: 0.7rem;
    color: var(--gray-600);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 4px;
}

.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 28px;
    border-radius: var(--radius-xl);
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: var(--transition);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--white);
    box-shadow: 0 4px 15px rgba(255, 107, 0, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(255, 107, 0, 0.5);
}

.btn-outline {
    background: transparent;
    color: var(--white);
    border: 2px solid rgba(255,255,255,0.2);
}

.btn-outline:hover {
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-3px);
}

.btn-whatsapp {
    background: #25D366;
    color: var(--white);
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.3);
}

.btn-whatsapp:hover {
    background: #128C7E;
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(37, 211, 102, 0.5);
}

.btn-instagram {
    background: linear-gradient(45deg, #f09433, #e6683c, #dc2743, #cc2366, #bc1888);
    color: var(--white);
}

.btn-instagram:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(220, 39, 67, 0.4);
}

/* Hero Visual */
.hero-visual {
    position: relative;
}

.product-showcase {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.showcase-glow {
    position: absolute;
    width: 80%;
    height: 80%;
    background: radial-gradient(ellipse, rgba(255, 107, 0, 0.15) 0%, transparent 70%);
    border-radius: 50%;
    filter: blur(40px);
}

.showcase-image {
    position: relative;
    z-index: 2;
    max-width: 100%;
    border-radius: var(--radius-lg);
    animation: float 6s ease-in-out infinite;
}

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

.showcase-badges {
    position: absolute;
    bottom: -20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 12px;
    z-index: 3;
}

.badge-item {
    display: flex;
    align-items: center;
    gap: 6px;
    background: rgba(255, 255, 255, 0.95);
    padding: 8px 16px;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
}

.badge-item i {
    color: var(--primary);
    font-size: 0.85rem;
}

.badge-item span {
    font-family: var(--font-heading);
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--dark);
}

/* Hero Scroll */
.hero-scroll {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
}

.hero-scroll a {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--gray-600);
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-8px); }
    60% { transform: translateY(-4px); }
}

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

.section-tag {
    display: inline-block;
    font-family: var(--font-heading);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--primary);
    margin-bottom: 12px;
    position: relative;
    padding-left: 40px;
}

.section-tag::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    width: 28px;
    height: 2px;
    background: var(--primary);
}

.section-title {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--dark);
    line-height: 1.2;
    margin-bottom: 16px;
}

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

.section-subtitle {
    font-size: 1.05rem;
    color: var(--gray-600);
    max-width: 600px;
}

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

.section-header .section-subtitle {
    margin: 0 auto;
}

.section-header .section-tag {
    padding-left: 0;
}

.section-header .section-tag::before {
    display: none;
}

/* ===== ABOUT ===== */
.about {
    background: var(--gray-100);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-text {
    font-size: 1rem;
    color: var(--gray-700);
    margin-bottom: 16px;
    line-height: 1.8;
}

.about-stats {
    display: flex;
    gap: 24px;
    margin-top: 32px;
}

.about-stat {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px;
    background: var(--white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.stat-icon {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: var(--radius-sm);
    color: var(--white);
    font-size: 1.1rem;
}

.stat-number {
    display: block;
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 700;
    color: var(--dark);
}

.stat-text {
    font-size: 0.75rem;
    color: var(--gray-600);
}

.about-visual {
    position: relative;
}

.about-image-wrapper {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.about-image {
    width: 100%;
    height: 400px;
    object-fit: cover;
}

.about-badge {
    position: absolute;
    bottom: 20px;
    left: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
    background: rgba(255, 107, 0, 0.95);
    color: var(--white);
    padding: 12px 20px;
    border-radius: var(--radius-md);
    font-family: var(--font-heading);
    font-size: 0.8rem;
    font-weight: 600;
}

/* ===== PRODUCT ===== */
.product {
    background: var(--white);
}

.product-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.product-card {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    background: var(--gray-100);
}

.product-main-img {
    width: 100%;
    height: auto;
    object-fit: cover;
}

.product-label {
    position: absolute;
    top: 20px;
    left: 20px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.label-model {
    background: var(--primary);
    color: var(--white);
    padding: 6px 14px;
    border-radius: var(--radius-sm);
    font-family: var(--font-heading);
    font-size: 0.8rem;
    font-weight: 700;
}

.label-power {
    background: rgba(0,0,0,0.7);
    color: var(--white);
    padding: 4px 14px;
    border-radius: var(--radius-sm);
    font-size: 0.7rem;
    font-weight: 600;
}

.product-details {
    display: grid;
    gap: 16px;
}

.detail-card {
    display: flex;
    gap: 16px;
    padding: 20px;
    background: var(--gray-100);
    border-radius: var(--radius-md);
    transition: var(--transition);
    border: 1px solid transparent;
}

.detail-card:hover {
    background: var(--white);
    border-color: var(--primary);
    box-shadow: var(--shadow-md);
    transform: translateX(8px);
}

.detail-icon {
    width: 48px;
    height: 48px;
    min-width: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: var(--radius-sm);
    color: var(--white);
    font-size: 1.1rem;
}

.detail-info h3 {
    font-family: var(--font-heading);
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 2px;
}

.detail-value {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--primary);
}

.detail-info p {
    font-size: 0.8rem;
    color: var(--gray-600);
    margin-top: 4px;
}

/* ===== SPECIFICATIONS ===== */
.specs {
    background: var(--dark);
    color: var(--white);
}

.specs .section-title {
    color: var(--white);
}

.specs .section-subtitle {
    color: var(--gray-400);
}

.specs-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.specs-card {
    background: var(--dark-light);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: var(--radius-md);
    padding: 28px;
    transition: var(--transition);
}

.specs-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-glow);
}

.specs-card h3 {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.specs-table {
    width: 100%;
    border-collapse: collapse;
}

.specs-table tr {
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.specs-table tr:last-child {
    border-bottom: none;
}

.specs-table td {
    padding: 10px 0;
    font-size: 0.85rem;
}

.specs-table td:first-child {
    color: var(--gray-400);
}

.specs-table td:last-child {
    text-align: right;
    color: var(--white);
}

/* ===== BENEFITS ===== */
.benefits {
    background: var(--gray-100);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.benefit-card {
    background: var(--white);
    padding: 36px 28px;
    border-radius: var(--radius-md);
    text-align: center;
    transition: var(--transition);
    border: 1px solid var(--gray-200);
}

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

.benefit-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    color: var(--white);
    font-size: 1.5rem;
    margin: 0 auto 20px;
}

.benefit-card h3 {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 12px;
}

.benefit-card p {
    font-size: 0.85rem;
    color: var(--gray-600);
    line-height: 1.7;
}

/* ===== HOW IT WORKS ===== */
.how-it-works {
    background: var(--white);
}

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

.step-card {
    position: relative;
    padding: 36px 24px;
    background: var(--gray-100);
    border-radius: var(--radius-md);
    text-align: center;
    transition: var(--transition);
    border: 1px solid var(--gray-200);
}

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

.step-number {
    position: absolute;
    top: -12px;
    right: 20px;
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 900;
    color: rgba(255, 107, 0, 0.1);
    line-height: 1;
}

.step-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-green);
    border-radius: 50%;
    color: var(--white);
    font-size: 1.3rem;
    margin: 0 auto 16px;
}

.step-card h3 {
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 10px;
}

.step-card p {
    font-size: 0.8rem;
    color: var(--gray-600);
    line-height: 1.7;
}

/* ===== FAQ ===== */
.faq {
    background: var(--gray-100);
}

.faq-grid {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--white);
    border-radius: var(--radius-md);
    margin-bottom: 12px;
    overflow: hidden;
    border: 1px solid var(--gray-200);
    transition: var(--transition);
}

.faq-item:hover {
    border-color: var(--primary);
}

.faq-item.active {
    border-color: var(--primary);
    box-shadow: var(--shadow-md);
}

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    background: none;
    border: none;
    cursor: pointer;
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--dark);
    text-align: left;
    transition: var(--transition);
}

.faq-question i {
    color: var(--primary);
    transition: var(--transition);
    font-size: 0.8rem;
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-answer p {
    padding: 0 24px 20px;
    font-size: 0.9rem;
    color: var(--gray-600);
    line-height: 1.8;
}

/* ===== CTA ===== */
.cta {
    background: var(--dark);
    position: relative;
    overflow: hidden;
}

.cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(ellipse at center, rgba(255, 107, 0, 0.1) 0%, transparent 70%);
}

.cta-content {
    text-align: center;
    position: relative;
    z-index: 2;
}

.cta-content h2 {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 16px;
}

.cta-content p {
    font-size: 1.05rem;
    color: var(--gray-400);
    max-width: 600px;
    margin: 0 auto 32px;
}

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

.cta-phones {
    display: flex;
    justify-content: center;
    gap: 24px;
    margin-bottom: 32px;
}

.cta-phone {
    display: flex;
    align-items: center;
    gap: 10px;
    background: rgba(37, 211, 102, 0.1);
    border: 1px solid rgba(37, 211, 102, 0.3);
    padding: 12px 24px;
    border-radius: var(--radius-xl);
    color: #25D366;
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 700;
    transition: var(--transition);
}

.cta-phone:hover {
    background: #25D366;
    color: var(--white);
    transform: translateY(-3px);
}

.cta-actions {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-bottom: 40px;
}

.cta-trust {
    display: flex;
    justify-content: center;
    gap: 32px;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--gray-400);
    font-family: var(--font-heading);
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.trust-item i {
    color: var(--primary);
}

/* ===== FOOTER ===== */
.footer {
    background: #050505;
    padding: 60px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-logo {
    display: flex;
    flex-direction: column;
    line-height: 1;
    margin-bottom: 16px;
}

.footer-brand p {
    font-size: 0.85rem;
    color: var(--gray-600);
    line-height: 1.7;
    margin-bottom: 16px;
}

.footer-social {
    display: flex;
    gap: 12px;
}

.footer-social a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--dark-light);
    border-radius: 50%;
    color: var(--gray-400);
    font-size: 1.1rem;
    transition: var(--transition);
}

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

.footer-links h4 {
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--white);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 16px;
}

.footer-links a {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    color: var(--gray-600);
    padding: 6px 0;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--primary);
    transform: translateX(4px);
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.05);
    padding-top: 24px;
    text-align: center;
}

.footer-bottom p {
    font-size: 0.8rem;
    color: var(--gray-600);
    margin-bottom: 4px;
}

/* ===== WHATSAPP FLOAT ===== */
.whatsapp-float {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #25D366;
    border-radius: 50%;
    color: var(--white);
    font-size: 1.8rem;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    z-index: 999;
    transition: var(--transition);
    animation: whatsapp-pulse 2s infinite;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 30px rgba(37, 211, 102, 0.6);
}

.float-tooltip {
    position: absolute;
    right: 70px;
    background: var(--dark);
    color: var(--white);
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.whatsapp-float:hover .float-tooltip {
    opacity: 1;
    visibility: visible;
}

@keyframes whatsapp-pulse {
    0% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.4); }
    70% { box-shadow: 0 0 0 15px rgba(37, 211, 102, 0); }
    100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); }
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .hero-grid { grid-template-columns: 1fr; gap: 40px; }
    .hero-visual { order: -1; }
    .about-grid { grid-template-columns: 1fr; gap: 40px; }
    .product-grid { grid-template-columns: 1fr; gap: 40px; }
    .specs-layout { grid-template-columns: 1fr; }
    .benefits-grid { grid-template-columns: repeat(2, 1fr); }
    .steps-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    html { font-size: 15px; }
    
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        height: 100vh;
        background: var(--dark);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 24px;
        transition: var(--transition);
        z-index: 998;
    }
    
    .nav-menu.active { right: 0; }
    .nav-toggle { display: flex; z-index: 999; }
    .nav-cta { display: none; }
    
    .hero { padding: 100px 0 60px; }
    .title-highlight { font-size: 2.5rem; }
    .title-model { font-size: 1.8rem; }
    .model-number { font-size: 2.2rem; }
    .hero-metrics { flex-wrap: wrap; gap: 20px; }
    .metric-value { font-size: 2rem; }
    
    .section-title { font-size: 2rem; }
    
    .about-stats { flex-direction: column; gap: 12px; }
    .benefits-grid { grid-template-columns: 1fr; }
    .steps-grid { grid-template-columns: 1fr; }
    
    .cta-phones { flex-direction: column; align-items: center; }
    .cta-actions { flex-direction: column; align-items: center; }
    .cta-trust { flex-direction: column; align-items: center; gap: 16px; }
    
    .footer-grid { grid-template-columns: 1fr; gap: 30px; }
}

@media (max-width: 480px) {
    .hero-actions { flex-direction: column; }
    .hero-metrics { justify-content: center; }
    .showcase-badges { flex-direction: column; align-items: center; }
}