/* ===================================================
   IGREEN TELECOM - CSS MOBILE-FIRST v3.1
   Site: igreencelular.com.br
   =================================================== */

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

:root {
    --green-primary: #2E7D32;
    --green-dark: #1B5E20;
    --green-light: #4CAF50;
    --green-lighter: #E8F5E9;
    --green-gradient: linear-gradient(135deg, #2E7D32, #4CAF50);
    --orange: #FF9800;
    --orange-dark: #F57C00;
    --orange-gradient: linear-gradient(135deg, #FF9800, #F57C00);
    --yellow: #FFD600;
    --yellow-light: #FFF9C4;
    --white: #FFFFFF;
    --gray-50: #FAFAFA;
    --gray-100: #F5F5F5;
    --gray-200: #EEEEEE;
    --gray-300: #E0E0E0;
    --gray-600: #757575;
    --gray-800: #424242;
    --gray-900: #212121;
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.12);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.16);
    --shadow-xl: 0 12px 40px rgba(0,0,0,0.2);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Roboto', -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--gray-900);
    background: var(--white);
    line-height: 1.6;
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}

.section-container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 16px;
}

/* ===== HEADER / NAVBAR ===== */
.header-main {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--white);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

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

.navbar {
    width: 100%;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 10px 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.navbar-brand .logo {
    height: 40px;
    width: auto;
}

.menu-toggle {
    display: flex;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 1001;
}

.menu-toggle span {
    width: 26px;
    height: 3px;
    background: var(--gray-900);
    border-radius: 3px;
    transition: var(--transition);
}

.menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 6px);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -6px);
}

.nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 320px;
    height: 100vh;
    background: var(--white);
    box-shadow: var(--shadow-xl);
    padding: 80px 24px 24px;
    transition: right 0.3s ease;
    z-index: 999;
    overflow-y: auto;
}

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

.nav-links {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.nav-links li a {
    display: block;
    padding: 12px 16px;
    font-size: 1rem;
    font-weight: 500;
    color: var(--gray-800);
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.nav-links li a:hover {
    background: var(--green-lighter);
    color: var(--green-primary);
}

.btn-whatsapp-header {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: 16px;
    padding: 14px 24px;
    background: #25D366;
    color: var(--white) !important;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 700;
    transition: var(--transition);
    box-shadow: 0 4px 12px rgba(37, 211, 102, 0.4);
}

.btn-whatsapp-header:hover {
    background: #1DA851;
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(37, 211, 102, 0.5);
}

.btn-whatsapp-header i {
    font-size: 1.3rem;
}

/* Overlay para menu mobile */
.nav-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.5);
    z-index: 998;
}

.nav-overlay.active {
    display: block;
}

/* ===== HERO SECTION ===== */
.hero {
    padding: 70px 0 0;
    background: linear-gradient(180deg, var(--white) 0%, var(--green-lighter) 100%);
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 16px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 16px;
    background: var(--green-lighter);
    color: var(--green-primary);
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    border: 1px solid var(--green-light);
}

.hero h1 {
    font-size: 1.7rem;
    font-weight: 900;
    line-height: 1.2;
    margin-top: 10px;
    color: var(--gray-900);
}

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

.hero-subtitle {
    font-size: 0.9rem;
    color: var(--gray-600);
    margin-top: 8px;
    line-height: 1.5;
}

.hero-features {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 10px;
}

.feature-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--gray-800);
    box-shadow: var(--shadow-sm);
}

.feature-pill i {
    color: var(--green-primary);
    font-size: 0.85rem;
}

/* Hero Image */
.hero-image {
    width: 100%;
    display: flex;
    justify-content: center;
}

.hero-image img {
    width: 100%;
    max-width: 500px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

/* ===== CTA SECTION - BOTÕES CIRCULARES ===== */
.cta-section {
    padding: 24px 16px;
    background: linear-gradient(135deg, #1B5E20 0%, #2E7D32 50%, #4CAF50 100%);
}

.cta-calc {
    margin-top: 28px;
    border-radius: var(--radius-lg);
}

.cta-container {
    max-width: 500px;
    margin: 0 auto;
    text-align: center;
}

.cta-label {
    margin-bottom: 16px;
}

.cta-badge {
    display: inline-block;
    padding: 8px 24px;
    background: rgba(255,255,255,0.2);
    border: 2px solid rgba(255,255,255,0.5);
    border-radius: 50px;
    color: var(--white);
    font-size: 1.1rem;
    font-weight: 800;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.cta-badge-sm {
    font-size: 0.95rem;
    padding: 6px 20px;
}

.cta-sublabel {
    display: block;
    margin-top: 6px;
    color: rgba(255,255,255,0.85);
    font-size: 0.85rem;
    font-weight: 400;
}

.circular-buttons {
    display: flex;
    justify-content: center;
    gap: 32px;
}

.circular-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
}

.circular-btn:hover {
    transform: translateY(-6px);
}

.circular-btn-icon {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--white);
    transition: var(--transition);
    position: relative;
}

.chip-fisico .circular-btn-icon {
    background: linear-gradient(145deg, #43A047, #2E7D32);
    border: 4px solid var(--yellow);
    box-shadow: 0 6px 20px rgba(46,125,50,0.5), inset 0 -2px 6px rgba(0,0,0,0.15);
}

.chip-esim .circular-btn-icon {
    background: linear-gradient(145deg, #FFA726, #F57C00);
    border: 4px solid var(--yellow);
    box-shadow: 0 6px 20px rgba(255,152,0,0.5), inset 0 -2px 6px rgba(0,0,0,0.15);
}

.circular-btn:hover .circular-btn-icon {
    transform: scale(1.1);
    box-shadow: 0 8px 28px rgba(0,0,0,0.3);
}

.circular-btn-title {
    color: var(--white);
    font-weight: 800;
    font-size: 0.95rem;
    text-align: center;
    line-height: 1.2;
}

.circular-btn-sub {
    color: rgba(255,255,255,0.8);
    font-weight: 400;
    font-size: 0.8rem;
    text-align: center;
}

/* Animação pulsante nos botões */
@keyframes pulse-btn {
    0% { box-shadow: 0 6px 20px rgba(46,125,50,0.5); }
    50% { box-shadow: 0 6px 30px rgba(46,125,50,0.8), 0 0 0 8px rgba(46,125,50,0.15); }
    100% { box-shadow: 0 6px 20px rgba(46,125,50,0.5); }
}

@keyframes pulse-btn-orange {
    0% { box-shadow: 0 6px 20px rgba(255,152,0,0.5); }
    50% { box-shadow: 0 6px 30px rgba(255,152,0,0.8), 0 0 0 8px rgba(255,152,0,0.15); }
    100% { box-shadow: 0 6px 20px rgba(255,152,0,0.5); }
}

.chip-fisico .circular-btn-icon {
    animation: pulse-btn 2.5s ease-in-out infinite;
}

.chip-esim .circular-btn-icon {
    animation: pulse-btn-orange 2.5s ease-in-out infinite;
}

/* ===== SEÇÕES GERAIS ===== */
.section-title {
    text-align: center;
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--gray-900);
    margin-bottom: 8px;
}

.section-subtitle {
    text-align: center;
    font-size: 0.9rem;
    color: var(--gray-600);
    margin-bottom: 28px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* ===== PLANOS ===== */
.planos-section {
    padding: 50px 0;
    background: var(--gray-50);
}

.planos-scroll-wrapper {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
    padding-bottom: 8px;
}

.planos-scroll-wrapper::-webkit-scrollbar {
    height: 6px;
}

.planos-scroll-wrapper::-webkit-scrollbar-track {
    background: var(--gray-200);
    border-radius: 3px;
}

.planos-scroll-wrapper::-webkit-scrollbar-thumb {
    background: var(--green-light);
    border-radius: 3px;
}

.planos-grid {
    display: flex;
    gap: 16px;
    min-width: min-content;
    padding: 4px;
}

.plano-card {
    position: relative;
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    text-align: center;
    padding: 16px 12px 18px;
    flex: 0 0 220px;
    min-width: 220px;
}

.plano-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.plano-destaque {
    border: 3px solid var(--green-primary);
}

.plano-badge {
    position: absolute;
    top: 10px;
    right: 10px;
    padding: 4px 12px;
    background: var(--green-gradient);
    color: var(--white);
    border-radius: 50px;
    font-size: 0.7rem;
    font-weight: 700;
    z-index: 2;
}

.plano-img {
    width: 100%;
    max-width: 200px;
    margin: 0 auto 10px;
    border-radius: var(--radius-sm);
}

.btn-contratar {
    display: inline-block;
    padding: 12px 24px;
    background: var(--green-gradient);
    color: var(--white);
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 700;
    transition: var(--transition);
    box-shadow: 0 4px 12px rgba(46, 125, 50, 0.3);
}

.btn-contratar:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(46, 125, 50, 0.4);
    color: var(--white);
}

.btn-contratar.destaque {
    background: var(--orange-gradient);
    box-shadow: 0 4px 12px rgba(255, 152, 0, 0.4);
}

.btn-contratar.destaque:hover {
    box-shadow: 0 6px 20px rgba(255, 152, 0, 0.5);
}

/* ===== iGREEN CLUB ===== */
.igreen-club-section {
    padding: 50px 0;
    background: var(--white);
}

.club-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.club-card {
    background: var(--green-lighter);
    border-radius: var(--radius-md);
    padding: 18px 14px;
    text-align: center;
    transition: var(--transition);
}

.club-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.club-icon {
    width: 46px;
    height: 46px;
    margin: 0 auto 10px;
    background: var(--green-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.1rem;
}

.club-card h3 {
    font-size: 0.85rem;
    font-weight: 700;
    margin-bottom: 4px;
    color: var(--green-dark);
}

.club-card p {
    font-size: 0.75rem;
    color: var(--gray-600);
    line-height: 1.4;
}

/* ===== DIFERENCIAIS ===== */
.diferenciais-section {
    padding: 50px 0;
    background: var(--gray-50);
}

.diferenciais-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 12px;
}

.diferencial-card {
    background: var(--white);
    border-radius: var(--radius-md);
    padding: 20px 16px;
    display: flex;
    align-items: flex-start;
    gap: 14px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.diferencial-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.diferencial-icon {
    width: 44px;
    height: 44px;
    min-width: 44px;
    background: var(--green-lighter);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--green-primary);
    font-size: 1.1rem;
}

.diferencial-card h3 {
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: 4px;
    color: var(--gray-900);
}

.diferencial-card p {
    font-size: 0.8rem;
    color: var(--gray-600);
    line-height: 1.5;
}

/* ===== APARELHOS COMPATÍVEIS ===== */
.aparelhos-section {
    padding: 50px 0;
    background: var(--white);
}

.aparelhos-selector {
    max-width: 800px;
    margin: 0 auto;
}

.marcas-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
}

.marca-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    padding: 16px 10px;
    background: var(--white);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--gray-800);
}

.marca-btn:hover {
    border-color: var(--green-primary);
    background: var(--green-lighter);
    color: var(--green-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.marca-btn i {
    font-size: 1.6rem;
    color: var(--green-primary);
}

.modelos-lista {
    background: var(--white);
    border: 2px solid var(--green-primary);
    border-radius: var(--radius-md);
    padding: 20px 16px;
}

.modelos-lista h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--green-primary);
    margin-bottom: 14px;
    text-align: center;
}

.modelos-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 6px;
}

.modelo-item {
    padding: 8px 14px;
    background: var(--gray-50);
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    color: var(--gray-800);
    display: flex;
    align-items: center;
    gap: 8px;
}

.modelo-item::before {
    content: '\2713';
    color: var(--green-primary);
    font-weight: 700;
}

.btn-voltar-marcas {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 16px;
    padding: 10px 20px;
    background: var(--gray-100);
    border: 1px solid var(--gray-300);
    border-radius: 50px;
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--gray-800);
    transition: var(--transition);
}

.btn-voltar-marcas:hover {
    background: var(--gray-200);
}

/* Dica eSIM */
.dica-esim {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    margin-top: 28px;
    padding: 18px;
    background: var(--yellow-light);
    border: 2px solid var(--yellow);
    border-radius: var(--radius-md);
}

.dica-icon {
    width: 40px;
    height: 40px;
    min-width: 40px;
    background: var(--yellow);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--orange-dark);
    font-size: 1.2rem;
}

.dica-content h4 {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 4px;
}

.dica-content p {
    font-size: 0.8rem;
    color: var(--gray-800);
    line-height: 1.5;
}

/* ===== CALCULADORA ===== */
.calculadora-section {
    padding: 50px 0;
    background: var(--green-lighter);
}

.calculadora-container {
    max-width: 600px;
    margin: 0 auto;
}

.calc-form {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 24px 20px;
    box-shadow: var(--shadow-md);
}

.calc-field {
    margin-bottom: 18px;
}

.calc-field label {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: 6px;
}

.input-group {
    display: flex;
    align-items: center;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-sm);
    overflow: hidden;
    transition: var(--transition);
}

.input-group:focus-within {
    border-color: var(--green-primary);
}

.input-prefix {
    padding: 12px 14px;
    background: var(--gray-100);
    color: var(--gray-600);
    font-weight: 600;
    font-size: 1rem;
}

.input-group input {
    flex: 1;
    padding: 12px 14px;
    border: none;
    outline: none;
    font-size: 1rem;
    font-family: inherit;
    color: var(--gray-900);
    width: 100%;
}

.calc-field select {
    width: 100%;
    padding: 12px 14px;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    font-family: inherit;
    color: var(--gray-900);
    background: var(--white);
    cursor: pointer;
    transition: var(--transition);
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%23757575' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
}

.calc-field select:focus {
    border-color: var(--green-primary);
    outline: none;
}

.btn-calcular {
    width: 100%;
    padding: 14px;
    background: var(--green-gradient);
    color: var(--white);
    border: none;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    box-shadow: 0 4px 12px rgba(46, 125, 50, 0.3);
}

.btn-calcular:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(46, 125, 50, 0.4);
}

.calc-resultado {
    margin-top: 20px;
}

.resultado-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 20px;
    box-shadow: var(--shadow-md);
    text-align: center;
}

.resultado-card .economia-valor {
    font-size: 2rem;
    font-weight: 900;
    color: var(--green-primary);
    margin: 10px 0;
}

.resultado-card .economia-anual {
    font-size: 0.95rem;
    color: var(--gray-600);
    margin-bottom: 8px;
}

.resultado-card .economia-msg {
    font-size: 0.9rem;
    color: var(--gray-800);
    line-height: 1.5;
}

/* ===== FAQ ===== */
.faq-section {
    padding: 50px 0;
    background: var(--white);
}

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

.faq-item {
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-md);
    margin-bottom: 10px;
    overflow: hidden;
    transition: var(--transition);
}

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

.faq-question {
    width: 100%;
    padding: 16px 18px;
    background: var(--white);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--gray-900);
    text-align: left;
    font-family: inherit;
    transition: var(--transition);
}

.faq-question:hover {
    background: var(--green-lighter);
}

.faq-question i {
    color: var(--green-primary);
    transition: transform 0.3s ease;
    min-width: 16px;
}

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

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

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer p {
    padding: 0 18px 16px;
    font-size: 0.85rem;
    color: var(--gray-600);
    line-height: 1.6;
}

/* ===== FOOTER ===== */
.footer-section {
    padding: 40px 0 0;
    background: var(--gray-900);
    color: var(--gray-300);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 28px;
}

.footer-logo {
    height: 36px;
    width: auto;
    margin-bottom: 10px;
    filter: brightness(10);
}

.footer-desc {
    font-size: 0.8rem;
    line-height: 1.5;
    color: var(--gray-300);
    margin-bottom: 14px;
}

.footer-social {
    display: flex;
    gap: 10px;
}

.footer-social a {
    width: 38px;
    height: 38px;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1rem;
    transition: var(--transition);
}

.footer-social a:hover {
    background: var(--green-primary);
    transform: translateY(-2px);
}

.footer-col h4 {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 10px;
}

.footer-col ul li {
    margin-bottom: 8px;
}

.footer-col ul li a {
    font-size: 0.8rem;
    color: var(--gray-300);
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 6px;
}

.footer-col ul li a:hover {
    color: var(--green-light);
}

.footer-col ul li {
    font-size: 0.8rem;
    color: var(--gray-300);
    line-height: 1.5;
}

.link-0800 {
    color: #25D366 !important;
    font-weight: 700;
}

.link-0800:hover {
    text-decoration: underline;
}

.footer-bottom {
    margin-top: 28px;
    padding: 18px 0;
    border-top: 1px solid rgba(255,255,255,0.1);
    text-align: center;
}

.footer-bottom p {
    font-size: 0.75rem;
    color: var(--gray-600);
}

/* ===== WHATSAPP FLUTUANTE ===== */
.whatsapp-float {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 68px;
    height: 68px;
    background: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 2.2rem;
    box-shadow: 0 4px 16px rgba(37, 211, 102, 0.5);
    z-index: 999;
    transition: var(--transition);
    animation: pulse-whatsapp 2s infinite;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 24px rgba(37, 211, 102, 0.6);
}

@keyframes pulse-whatsapp {
    0% { box-shadow: 0 4px 16px rgba(37, 211, 102, 0.5); }
    50% { box-shadow: 0 4px 24px rgba(37, 211, 102, 0.8), 0 0 0 10px rgba(37, 211, 102, 0.1); }
    100% { box-shadow: 0 4px 16px rgba(37, 211, 102, 0.5); }
}

/* ===================================================
   RESPONSIVO - TABLET (min-width: 600px)
   =================================================== */
@media (min-width: 600px) {
    .hero h1 {
        font-size: 2.2rem;
    }

    .plano-card {
        flex: 0 0 200px;
        min-width: 200px;
    }

    .club-grid {
        grid-template-columns: repeat(3, 1fr);
    }

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

    .marcas-grid {
        grid-template-columns: repeat(3, 1fr);
    }

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

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

    .circular-btn-icon {
        width: 120px;
        height: 120px;
        font-size: 2.4rem;
    }

    .circular-btn-title {
        font-size: 1.05rem;
    }
}

/* ===================================================
   RESPONSIVO - DESKTOP (min-width: 992px)
   =================================================== */
@media (min-width: 992px) {
    .menu-toggle {
        display: none;
    }

    .nav-menu {
        position: static;
        width: auto;
        max-width: none;
        height: auto;
        background: transparent;
        box-shadow: none;
        padding: 0;
        display: flex;
        align-items: center;
        gap: 24px;
        overflow: visible;
    }

    .nav-links {
        flex-direction: row;
        gap: 0;
    }

    .nav-links li a {
        padding: 8px 14px;
        font-size: 0.9rem;
    }

    .btn-whatsapp-header {
        margin-top: 0;
        padding: 10px 20px;
        font-size: 0.95rem;
    }

    .hero {
        padding: 90px 0 0;
    }

    .hero-container {
        flex-direction: row;
        align-items: center;
        gap: 40px;
    }

    .hero-content {
        flex: 1;
    }

    .hero-image {
        flex: 1;
        max-width: 500px;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .cta-section {
        padding: 30px 16px;
    }

    .circular-btn-icon {
        width: 130px;
        height: 130px;
        font-size: 2.6rem;
    }

    .circular-buttons {
        gap: 48px;
    }

    .circular-btn-title {
        font-size: 1.1rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .planos-scroll-wrapper {
        overflow-x: visible;
    }

    .planos-grid {
        display: grid;
        grid-template-columns: repeat(5, 1fr);
        gap: 16px;
        min-width: auto;
    }

    .plano-card {
        flex: auto;
        min-width: auto;
    }

    .club-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 16px;
    }

    .diferenciais-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 16px;
    }

    .marcas-grid {
        grid-template-columns: repeat(5, 1fr);
    }

    .modelos-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .footer-grid {
        grid-template-columns: 2fr 1fr 1.5fr 1fr;
    }
}

/* ===================================================
   RESPONSIVO - DESKTOP GRANDE (min-width: 1200px)
   =================================================== */
@media (min-width: 1200px) {
    .hero h1 {
        font-size: 2.8rem;
    }

    .circular-btn-icon {
        width: 140px;
        height: 140px;
        font-size: 2.8rem;
    }

    .plano-img {
        max-width: 100%;
    }
}

/* ===== ANIMAÇÕES ===== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-in {
    animation: fadeInUp 0.5s ease forwards;
}