@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

:root {
    --dark: #0a0f1e;
    --darker: #050811;
    --blue: #1e40af;
    --lightblue: #3b82f6;
    --accent: #60a5fa;
    --whatsapp: #25D366;
    --success: #10b981;
    --glow: #60a5fa;
    --glass: rgba(255,255,255,0.08);
    --glass-light: rgba(255,255,255,0.12);
    --gradient: linear-gradient(135deg, #1e3a8a, #1e40af, #3b82f6);
    --gradient-light: linear-gradient(135deg, #3b82f6, #60a5fa);
    --shadow: 0 20px 40px rgba(0,0,0,0.3);
    --shadow-blue: 0 20px 50px rgba(59,130,246,0.4);
    --shadow-green: 0 20px 50px rgba(37,211,102,0.4);
}

* { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior: smooth; }
body { 
    font-family:'Inter', sans-serif; 
    background:var(--dark); 
    color:white; 
    overflow-x:hidden; 
    position: relative;
}

/* Partículas e elementos flutuantes */
#particles-js { 
    position:fixed; 
    width:100%; 
    height:100%; 
    top:0; 
    left:0; 
    z-index:1; 
}

.floating-elements {
    position: fixed;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 2;
}

.float-circle {
    position: absolute;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(59,130,246,0.15) 0%, rgba(59,130,246,0) 70%);
    animation: float 20s infinite linear;
}

.circle-1 { width: 300px; height: 300px; top: 10%; left: 5%; animation-delay: 0s; }
.circle-2 { width: 200px; height: 200px; top: 60%; right: 10%; animation-delay: -5s; }
.circle-3 { width: 150px; height: 150px; bottom: 20%; left: 15%; animation-delay: -10s; }
.circle-4 { width: 250px; height: 250px; top: 30%; right: 15%; animation-delay: -15s; }

@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    33% { transform: translateY(-30px) rotate(120deg); }
    66% { transform: translateY(20px) rotate(240deg); }
}

/* Container e grids */
.container { 
    max-width:1300px; 
    margin:0 auto; 
    padding:0 20px; 
    position:relative; 
    z-index:3; 
}

.grid-3 { 
    display:grid; 
    grid-template-columns:repeat(auto-fit,minmax(340px,1fr)); 
    gap:2.5rem; 
    margin-top: 3rem;
}

.grid-4 { 
    display:grid; 
    grid-template-columns:repeat(auto-fit,minmax(240px,1fr)); 
    gap:2rem; 
    margin-top: 3rem;
}

/* Header e navegação */
header { 
    position:fixed; 
    top:0; 
    width:100%; 
    background:rgba(10,15,30,0.96); 
    backdrop-filter:blur(15px); 
    z-index:1000;
    border-bottom: 1px solid rgba(59,130,246,0.2);
}

.header-inner { 
    display:flex; 
    justify-content:space-between; 
    align-items:center; 
    padding:1.5rem 0; 
}

.logo {
    display: flex;
    flex-direction: column;
}

.logo-subtitle {
    font-size: 0.85rem;
    opacity: 0.8;
    margin-top: 5px;
    letter-spacing: 1px;
}

.glow { 
    color:var(--glow); 
    text-shadow:0 0 30px var(--glow); 
    font-weight:900; 
}

.main-nav {
    display: flex;
    gap: 2.5rem;
}

.nav-link {
    color: rgba(255,255,255,0.9);
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    position: relative;
    padding: 0.5rem 0;
    transition: all 0.3s;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--lightblue);
    transition: width 0.3s;
}

.nav-link:hover {
    color: white;
}

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

.btn-primary, .btn-secondary {
    background: white;
    color: var(--blue);
    padding: 1rem 2rem;
    border: none;
    border-radius: 12px;
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    box-shadow: var(--shadow);
    transition: all 0.4s;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.btn-primary:hover { 
    transform:translateY(-8px); 
    box-shadow: var(--shadow-blue); 
}

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid rgba(255,255,255,0.3);
}

.btn-secondary:hover {
    background: rgba(255,255,255,0.1);
    transform: translateY(-5px);
}

.btn-small {
    padding: 0.8rem 1.5rem;
    font-size: 1rem;
}

.btn-large {
    padding: 1.3rem 3rem;
    font-size: 1.4rem;
}

.btn-x-large {
    padding: 1.5rem 4rem;
    font-size: 1.6rem;
}

.pulse { 
    animation:pulse 3s infinite; 
}

.pulse-btn {
    animation: pulse-btn 2s infinite;
}

@keyframes pulse-btn {
    0%, 100% { box-shadow: 0 0 0 0 rgba(59,130,246,0.7); }
    70% { box-shadow: 0 0 0 15px rgba(59,130,246,0); }
}

.header-banner { 
    background: var(--gradient-light);
    padding:0.8rem; 
    text-align:center; 
    font-weight:600; 
    animation:pulse 4s infinite; 
    font-size: 0.95rem;
}

.header-banner i {
    margin-right: 10px;
}

.menu-toggle {
    display: none;
    background: transparent;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hero Section */
.hero {
    min-height:100vh;
    display:flex;
    align-items:center;
    padding-top: 150px; /* CORRIGIDO: Mais espaço para o cabeçalho fixo */
    position: relative;
    overflow: hidden;
}

.hero-gradient {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient);
    opacity: 0.7;
    z-index: -1;
}

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

.hero-content h1 {
    font-size:3.8rem;
    font-weight:900;
    margin-bottom:1.5rem;
    line-height: 1.1;
}

.highlight {
    color: var(--accent);
    position: relative;
}

.highlight::after {
    content: '';
    position: absolute;
    bottom: 5px;
    left: 0;
    width: 100%;
    height: 8px;
    background: rgba(96,165,250,0.3);
    z-index: -1;
}

.hero-content p {
    font-size:1.4rem;
    max-width:600px;
    margin-bottom:2.5rem;
    opacity:0.92;
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.hero-stats {
    display: flex;
    gap: 3rem;
    margin-top: 2rem;
}

.hero-stat h3 {
    font-size: 2.5rem;
    color: var(--lightblue);
    font-weight: 900;
    margin-bottom: 5px;
}

.hero-stat p {
    font-size: 1rem;
    opacity: 0.8;
}

.hero-visual {
    position: relative;
}

.chat-interface {
    background: rgba(10,15,30,0.9);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 30px 60px rgba(0,0,0,0.5);
    border: 1px solid rgba(59,130,246,0.3);
    animation: float-chat 6s ease-in-out infinite;
}

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

.chat-header {
    background: rgba(30,64,175,0.8);
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 15px;
}

.chat-avatar {
    width: 50px;
    height: 50px;
    background: var(--gradient-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.chat-info h4 {
    font-size: 1.2rem;
    margin-bottom: 5px;
}

.chat-info p {
    font-size: 0.9rem;
    opacity: 0.8;
}

.chat-messages {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 15px;
    min-height: 300px;
}

.message {
    padding: 1rem 1.5rem;
    border-radius: 18px;
    max-width: 80%;
    position: relative;
}

.message.user {
    background: rgba(59,130,246,0.2);
    align-self: flex-end;
    border-bottom-right-radius: 5px;
}

.message.ai {
    background: rgba(255,255,255,0.1);
    align-self: flex-start;
    border-bottom-left-radius: 5px;
}

.message.typing {
    background: rgba(255,255,255,0.1);
    width: 80px;
    display: flex;
    gap: 5px;
    padding: 1rem;
}

.message.typing span {
    width: 8px;
    height: 8px;
    background: var(--lightblue);
    border-radius: 50%;
    animation: typing 1.4s infinite ease-in-out;
}

.message.typing span:nth-child(1) { animation-delay: -0.32s; }
.message.typing span:nth-child(2) { animation-delay: -0.16s; }

@keyframes typing {
    0%, 80%, 100% { transform: scale(0); opacity: 0.5; }
    40% { transform: scale(1); opacity: 1; }
}

/* Sections gerais */
section {
    position: relative;
    padding: 100px 0;
}

.section-title {
    font-size: 3rem;
    font-weight: 900;
    text-align: center;
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.3rem;
    text-align: center;
    max-width: 700px;
    margin: 0 auto 3rem;
    opacity: 0.9;
}

/* Stats */
.stats {
    background: var(--darker);
}

.stat-card, .tech-card, .feature-card {
    background: var(--glass);
    padding: 3rem 2rem;
    border-radius: 20px;
    text-align: center;
    backdrop-filter: blur(12px);
    border: 1px solid rgba(59,130,246,0.25);
    transition: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
}

.stat-card::before, .tech-card::before, .feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
    transition: left 0.7s;
}

.stat-card:hover::before, .tech-card:hover::before, .feature-card:hover::before {
    left: 100%;
}

.stat-card:hover, .tech-card:hover, .feature-card:hover { 
    transform:translateY(-15px); 
    border-color:var(--lightblue);
    box-shadow: 0 30px 60px rgba(0,0,0,0.4);
}

.stat-icon, .tech-icon, .feature-icon {
    font-size: 2.5rem;
    color: var(--lightblue);
    margin-bottom: 1.5rem;
    display: inline-block;
}

.icon-glow { 
    color:var(--lightblue); 
    filter:drop-shadow(0 0 30px var(--glow)); 
    margin-bottom:1.5rem; 
}

.stat-card h3 { 
    font-size:3.5rem; 
    color:var(--lightblue); 
    font-weight:900; 
    margin-bottom: 1rem;
}

.tech-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--success);
    color: white;
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 700;
}

/* Calendar Hero - ÁREA DE AGENDAMENTO MELHORADA */
.calendar-hero {
    padding: 140px 0;
    position: relative;
    overflow: hidden;
}

.calendar-gradient {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(30,58,138,0.9), rgba(30,64,175,0.9));
    z-index: -1;
}

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

.calendar-intro h2 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
}

.calendar-intro p {
    font-size: 1.4rem;
    opacity: 0.9;
}

.calendar-wrapper {
    max-width: 1200px;
    margin: 0 auto;
}

.calendar-box {
    background: rgba(10,15,30,0.85);
    border-radius: 30px;
    backdrop-filter: blur(20px);
    border: 1px solid rgba(59,130,246,0.4);
    overflow: hidden;
    box-shadow: 0 40px 80px rgba(0,0,0,0.5);
    margin-bottom: 3rem;
}

.glass {
    background: var(--glass);
    backdrop-filter: blur(15px);
}

.calendar-header {
    background: rgba(30,64,175,0.8);
    padding: 2rem;
    text-align: center;
}

.calendar-header h3 {
    font-size: 1.8rem;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.calendar-header p {
    opacity: 0.9;
}

.calendar-content {
    display: grid;
    grid-template-columns: 300px 1fr;
    min-height: 500px;
}

.calendar-sidebar {
    background: rgba(0,0,0,0.3);
    padding: 2rem;
    border-right: 1px solid rgba(59,130,246,0.2);
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.timezone-info, .duration-info, .platform-info, .reminder {
    display: flex;
    align-items: center;
    gap: 15px;
}

.timezone-info i, .duration-info i, .platform-info i, .reminder i {
    font-size: 1.5rem;
    color: var(--lightblue);
    background: rgba(59,130,246,0.2);
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
}

.reminder {
    margin-top: auto;
    background: rgba(59,130,246,0.1);
    padding: 1rem;
    border-radius: 12px;
}

.calendar-main {
    padding: 2rem;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.date-selector {
    margin-bottom: 1rem;
}

#picker {
    width:100%; 
    padding:1.5rem; 
    font-size:1.4rem; 
    text-align:center;
    background:rgba(255,255,255,0.1); 
    border:2px solid var(--lightblue); 
    border-radius:15px;
    color:white; 
    margin-bottom:1.5rem;
    cursor: pointer;
    transition: all 0.3s;
}

#picker:hover {
    background: rgba(255,255,255,0.15);
    border-color: var(--accent);
}

#picker::placeholder { 
    color:rgba(255,255,255,0.7); 
}

.quick-dates {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

.quick-date {
    background: rgba(59,130,246,0.2);
    border: 1px solid rgba(59,130,246,0.4);
    color: white;
    padding: 0.8rem 1.5rem;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s;
    font-weight: 600;
}

.quick-date:hover {
    background: rgba(59,130,246,0.4);
    transform: translateY(-3px);
}

.time-slots h4 {
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

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

.time-slot {
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    color: white;
    padding: 1rem;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s;
    text-align: center;
    font-weight: 600;
}

.time-slot:hover, .time-slot.active {
    background: rgba(59,130,246,0.4);
    border-color: var(--lightblue);
    transform: translateY(-3px);
}

.selected-info {
    background: rgba(30,64,175,0.3);
    border-radius: 15px;
    padding: 1.5rem;
    margin-top: 1rem;
    display: none;
    flex-direction: column;
    gap: 1.5rem;
    animation: fadeIn 0.5s;
}

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

.selected-date {
    display: flex;
    align-items: center;
    gap: 15px;
}

.selected-date i {
    font-size: 2rem;
    color: var(--success);
}

.selected-date p {
    font-size: 0.9rem;
    opacity: 0.8;
}

.selected-date h4 {
    font-size: 1.4rem;
}

.btn-whatsapp-giant {
    display: flex;
    align-items:center; 
    justify-content:center; 
    gap:15px;
    background:var(--whatsapp); 
    color:white; 
    padding:1.5rem 3rem; 
    font-size:1.6rem; 
    font-weight:700;
    border:none; 
    border-radius:15px; 
    cursor:pointer; 
    box-shadow: var(--shadow-green);
    transition:all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    text-decoration: none;
}

.btn-whatsapp-giant:hover { 
    transform:scale(1.05); 
    box-shadow: 0 30px 70px rgba(37,211,102,0.7); 
}

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

.feature-item {
    background: rgba(255,255,255,0.05);
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    transition: all 0.3s;
    border: 1px solid transparent;
}

.feature-item:hover {
    border-color: var(--lightblue);
    transform: translateY(-10px);
    background: rgba(255,255,255,0.08);
}

.feature-item i {
    font-size: 2.5rem;
    color: var(--lightblue);
    margin-bottom: 1rem;
}

.feature-item h4 {
    margin-bottom: 10px;
    font-size: 1.3rem;
}

.feature-item p {
    opacity: 0.8;
    font-size: 0.95rem;
}

/* Timeline */
.timeline {
    max-width: 900px;
    margin: 4rem auto 0;
    position: relative;
}

.timeline::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 100%;
    background: var(--lightblue);
    border-radius: 10px;
}

.timeline-item {
    display: flex;
    align-items: center;
    margin-bottom: 3rem;
    position: relative;
}

.timeline-item:nth-child(odd) {
    flex-direction: row-reverse;
    text-align: right;
}

.timeline-item:nth-child(odd) .timeline-content {
    margin-right: 3rem;
    margin-left: 0;
}

.timeline-item:nth-child(even) .timeline-content {
    margin-left: 3rem;
}

.timeline-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    z-index: 2;
    flex-shrink: 0;
    box-shadow: 0 10px 30px rgba(59,130,246,0.4);
}

.timeline-content {
    background: var(--glass);
    padding: 2rem;
    border-radius: 15px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(59,130,246,0.3);
    flex-grow: 1;
    margin: 0 3rem;
    transition: all 0.3s;
}

.timeline-content:hover {
    transform: translateY(-5px);
    border-color: var(--lightblue);
}

.timeline-content h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
    color: var(--accent);
}

.timeline-content p {
    opacity: 0.9;
    margin-bottom: 10px;
}

.timeline-duration {
    display: inline-block;
    background: rgba(59,130,246,0.2);
    color: var(--lightblue);
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
}

/* Testimonials */
.testimonials-slider {
    max-width: 1000px;
    margin: 3rem auto 0;
    padding: 0 20px 50px;
}

.testimonial-card {
    background: var(--glass);
    border-radius: 20px;
    padding: 2.5rem;
    border: 1px solid rgba(59,130,246,0.3);
    height: 100%;
    transition: all 0.3s;
}

.testimonial-card:hover {
    transform: translateY(-10px);
    border-color: var(--lightblue);
    box-shadow: 0 30px 60px rgba(0,0,0,0.3);
}

.testimonial-header {
    display: flex;
    align-items: center;
    margin-bottom: 1.5rem;
}

.testimonial-header img {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--lightblue);
    margin-right: 1.5rem;
}

.testimonial-info h4 {
    font-size: 1.4rem;
    margin-bottom: 5px;
}

.testimonial-info p {
    opacity: 0.8;
    font-size: 0.95rem;
}

.testimonial-body {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
    line-height: 1.6;
    font-style: italic;
}

.testimonial-stats {
    display: flex;
    justify-content: space-around;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(255,255,255,0.1);
}

.testimonial-stats span {
    text-align: center;
}

.testimonial-stats strong {
    font-size: 1.8rem;
    color: var(--lightblue);
    display: block;
    margin-bottom: 5px;
}

/* FAQ */
.faq-section {
    background: var(--darker);
}

.faq-grid {
    max-width: 900px;
    margin: 3rem auto 0;
}

.faq-item {
    background: var(--glass);
    border-radius: 15px;
    margin-bottom: 1.5rem;
    overflow: hidden;
    border: 1px solid rgba(255,255,255,0.1);
    transition: all 0.3s;
}

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

.faq-question {
    padding: 1.5rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
}

.faq-question h4 {
    font-size: 1.3rem;
}

.faq-question i {
    transition: transform 0.3s;
    color: var(--lightblue);
}

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

.faq-answer {
    padding: 0 2rem;
    max-height: 0;
    overflow: hidden;
    transition: all 0.5s ease;
}

.faq-item.active .faq-answer {
    padding: 0 2rem 2rem;
    max-height: 500px;
}

.faq-answer p {
    line-height: 1.6;
    opacity: 0.9;
}

/* CTA Final */
.cta-final {
    background: var(--gradient);
    text-align: center;
    padding: 120px 0;
}

.cta-content h2 {
    font-size: 3.2rem;
    margin-bottom: 1.5rem;
}

.cta-content p {
    font-size: 1.4rem;
    max-width: 700px;
    margin: 0 auto 3rem;
    opacity: 0.95;
}

.cta-note {
    margin-top: 2rem;
    font-size: 1rem;
    opacity: 0.8;
}

.cta-note i {
    margin-right: 10px;
    color: var(--accent);
}

/* Footer */
.footer {
    background: rgba(5,8,17,0.95);
    padding: 80px 0 40px;
    border-top: 1px solid rgba(59,130,246,0.2);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-col h3, .footer-col h4 {
    margin-bottom: 1.5rem;
    color: var(--accent);
}

.footer-col p {
    margin-bottom: 1rem;
    opacity: 0.9;
    line-height: 1.6;
}

.footer-col a {
    display: block;
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    margin-bottom: 0.8rem;
    transition: all 0.3s;
}

.footer-col a:hover {
    color: var(--lightblue);
    transform: translateX(5px);
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 45px;
    height: 45px;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
    font-size: 1.2rem;
    transition: all 0.3s;
}

.social-links a:hover {
    background: var(--lightblue);
    transform: translateY(-5px);
}

.footer-bottom {
    text-align: center;
    padding-top: 3rem;
    border-top: 1px solid rgba(255,255,255,0.1);
    font-size: 0.9rem;
    opacity: 0.7;
}

.footer-bottom i {
    color: #ff4757;
    margin: 0 5px;
}

/* WhatsApp flutuante */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 70px;
    height: 70px;
    background: var(--whatsapp);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    text-decoration: none;
    box-shadow: 0 10px 30px rgba(37,211,102,0.5);
    z-index: 1000;
    transition: all 0.3s;
    animation: float-whatsapp 3s infinite ease-in-out;
}

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

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 15px 40px rgba(37,211,102,0.7);
}

/* ==========================================================================
   RESPONSIVIDADE COMPLETA - SEM ALTERAR CONTEÚDO/DESIGN
   ========================================================================== */

/* Tablets e pequenos desktops (992px - 1199px) */
@media (max-width: 1199px) {
    .container {
        max-width: 100%;
        padding: 0 30px;
    }
    
    .hero .container {
        gap: 3rem;
    }
    
    .hero-content h1 {
        font-size: 3.2rem;
    }
    
    .hero-stats {
        gap: 2rem;
    }
    
    .section-title {
        font-size: 2.8rem;
    }
    
    .calendar-content {
        grid-template-columns: 280px 1fr;
    }
    
    .calendar-features {
        grid-template-columns: repeat(3, 1fr);
        gap: 1.5rem;
    }
    
    .feature-item {
        padding: 1.5rem;
    }
    
    .timeline-item:nth-child(odd) .timeline-content {
        margin-right: 2.5rem;
    }
    
    .timeline-item:nth-child(even) .timeline-content {
        margin-left: 2.5rem;
    }
}

/* Tablets (768px - 991px) */
@media (max-width: 991px) {
    .container {
        padding: 0 25px;
    }
    
    .header-inner {
        flex-wrap: nowrap;
        padding: 1.2rem 0;
    }
    
    .main-nav {
        gap: 1.8rem;
    }
    
    .nav-link {
        font-size: 0.95rem;
    }
    
    .hero .container {
        grid-template-columns: 1fr 1fr;
        gap: 2.5rem;
    }
    
    .hero-content h1 {
        font-size: 2.8rem;
        line-height: 1.2;
    }
    
    .hero-content p {
        font-size: 1.2rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: 1rem;
    }
    
    .btn-primary.large, .btn-secondary.large {
        padding: 1.1rem 2rem;
        font-size: 1.2rem;
        width: 100%;
    }
    
    .hero-stats {
        flex-direction: row;
        justify-content: space-between;
        gap: 1rem;
    }
    
    .hero-stat h3 {
        font-size: 2rem;
    }
    
    .chat-interface {
        transform: scale(0.9);
        transform-origin: center;
    }
    
    .section-title {
        font-size: 2.5rem;
    }
    
    .section-subtitle {
        font-size: 1.2rem;
        padding: 0 10px;
    }
    
    .grid-3 {
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem;
    }
    
    .grid-4 {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.8rem;
    }
    
    .calendar-hero {
        padding: 100px 0;
    }
    
    .calendar-intro h2 {
        font-size: 2.8rem;
    }
    
    .calendar-intro p {
        font-size: 1.2rem;
    }
    
    .calendar-content {
        grid-template-columns: 1fr;
    }
    
    .calendar-sidebar {
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: space-around;
        border-right: none;
        border-bottom: 1px solid rgba(59,130,246,0.2);
        padding: 1.5rem;
        gap: 1.5rem;
    }
    
    .timezone-info, .duration-info, .platform-info {
        flex: 0 0 calc(33.333% - 1rem);
        flex-direction: column;
        text-align: center;
        gap: 10px;
    }
    
    .reminder {
        flex: 0 0 100%;
        margin-top: 1rem;
        justify-content: center;
    }
    
    .calendar-main {
        padding: 1.5rem;
    }
    
    .slots-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .timeline::before {
        left: 80px;
    }
    
    .timeline-item {
        flex-direction: row !important;
        margin-bottom: 2.5rem;
    }
    
    .timeline-icon {
        width: 70px;
        height: 70px;
        font-size: 1.8rem;
        flex-shrink: 0;
    }
    
    .timeline-content {
        margin-left: 2rem !important;
        margin-right: 0 !important;
        padding: 1.5rem;
    }
    
    .testimonials-slider {
        padding: 0 10px 40px;
    }
    
    .testimonial-card {
        padding: 2rem;
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 2.5rem;
    }
    
    .footer-col {
        padding: 0 10px;
    }
}

/* Celulares grandes (576px - 767px) */
@media (max-width: 767px) {
    .container {
        padding: 0 20px;
    }
    
    .header-inner {
        flex-wrap: wrap;
        padding: 1rem 0;
    }
    
    .logo h1 {
        font-size: 1.8rem;
    }
    
    .logo-subtitle {
        font-size: 0.75rem;
    }
    
    .main-nav {
        display: none;
        width: 100%;
        order: 3;
        margin-top: 1rem;
        padding-top: 1rem;
        border-top: 1px solid rgba(255,255,255,0.1);
        flex-direction: column;
        gap: 0;
    }
    
    .main-nav.active {
        display: flex;
    }
    
    .nav-link {
        padding: 0.8rem 0;
        border-bottom: 1px solid rgba(255,255,255,0.05);
        margin-left: 0 !important;
        font-size: 1.1rem;
    }
    
    .menu-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 45px;
        height: 45px;
        background: rgba(255,255,255,0.1);
        border-radius: 10px;
        font-size: 1.3rem;
    }
    
    .btn-small {
        margin-left: auto;
        margin-right: 15px;
        padding: 0.7rem 1.3rem;
        font-size: 0.95rem;
    }
    
    .header-banner {
        font-size: 0.85rem;
        padding: 0.8rem;
    }
    
    .hero {
        padding-top: 170px; /* CORRIGIDO: Mais espaço para o cabeçalho fixo */
        padding-bottom: 80px;
        min-height: auto;
    }
    
    .hero .container {
        grid-template-columns: 1fr;
        gap: 3rem;
        text-align: center;
    }
    
    .hero-content h1 {
        font-size: 2.5rem;
        margin-bottom: 1.2rem;
    }
    
    .hero-content p {
        font-size: 1.15rem;
        max-width: 100%;
        padding: 0 10px;
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: 1rem;
        max-width: 400px;
        margin: 0 auto 2.5rem;
    }
    
    .hero-stats {
        justify-content: space-around;
        max-width: 500px;
        margin: 2rem auto 0;
    }
    
    .hero-stat {
        flex: 1;
        min-width: 100px;
    }
    
    .hero-stat h3 {
        font-size: 2rem;
    }
    
    .hero-stat p {
        font-size: 0.9rem;
    }
    
    .hero-visual {
        max-width: 400px;
        margin: 0 auto;
    }
    
    .chat-interface {
        transform: scale(1);
    }
    
    .stats, .tech-cards, .features, .timeline-section, .faq-section {
        padding: 80px 0;
    }
    
    .section-title {
        font-size: 2.2rem;
        line-height: 1.2;
        padding: 0 10px;
    }
    
    .section-subtitle {
        font-size: 1.1rem;
        padding: 0 15px;
    }
    
    .grid-3, .grid-4 {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        margin-top: 2rem;
    }
    
    .stat-card, .tech-card, .feature-card {
        padding: 2rem 1.5rem;
    }
    
    .stat-card h3 {
        font-size: 3rem;
    }
    
    .calendar-hero {
        padding: 80px 0;
    }
    
    .calendar-intro h2 {
        font-size: 2.2rem;
        line-height: 1.2;
    }
    
    .calendar-intro p {
        font-size: 1.1rem;
        padding: 0 10px;
    }
    
    .calendar-box {
        padding: 0;
        border-radius: 20px;
    }
    
    .calendar-header {
        padding: 1.5rem;
    }
    
    .calendar-header h3 {
        font-size: 1.5rem;
        flex-direction: column;
        gap: 8px;
    }
    
    .calendar-content {
        min-height: auto;
    }
    
    .calendar-sidebar {
        flex-direction: column;
        padding: 1.5rem;
        gap: 1.2rem;
    }
    
    .timezone-info, .duration-info, .platform-info {
        flex: 0 0 auto;
        flex-direction: row;
        text-align: left;
        width: 100%;
    }
    
    .reminder {
        margin-top: 0.5rem;
        padding: 1rem;
        font-size: 0.9rem;
    }
    
    .calendar-main {
        padding: 1.5rem;
    }
    
    #picker {
        padding: 1.2rem;
        font-size: 1.2rem;
    }
    
    .quick-dates {
        flex-wrap: wrap;
    }
    
    .quick-date {
        flex: 1;
        min-width: 120px;
        padding: 0.7rem;
        font-size: 0.9rem;
    }
    
    .time-slots h4 {
        text-align: center;
    }
    
    .slots-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.8rem;
    }
    
    .time-slot {
        padding: 0.8rem;
        font-size: 0.95rem;
    }
    
    .selected-info {
        padding: 1.2rem;
    }
    
    .btn-whatsapp-giant {
        padding: 1.2rem 1.5rem;
        font-size: 1.2rem;
    }
    
    .calendar-features {
        grid-template-columns: 1fr;
        gap: 1.2rem;
        margin-top: 2rem;
    }
    
    .feature-item {
        padding: 1.5rem;
    }
    
    .timeline {
        margin-top: 2.5rem;
    }
    
    .timeline::before {
        left: 30px;
    }
    
    .timeline-item {
        flex-direction: row !important;
        margin-bottom: 2rem;
    }
    
    .timeline-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }
    
    .timeline-content {
        margin-left: 1.5rem !important;
        padding: 1.2rem;
    }
    
    .timeline-content h3 {
        font-size: 1.3rem;
    }
    
    .testimonials-slider {
        padding: 0 5px 30px;
    }
    
    .testimonial-card {
        padding: 1.5rem;
    }
    
    .testimonial-header {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }
    
    .testimonial-header img {
        margin-right: 0;
    }
    
    .testimonial-body {
        font-size: 1rem;
        text-align: center;
    }
    
    .testimonial-stats {
        flex-direction: column;
        gap: 1rem;
    }
    
    .faq-question {
        padding: 1.2rem 1.5rem;
    }
    
    .faq-question h4 {
        font-size: 1.1rem;
        line-height: 1.4;
    }
    
    .faq-answer {
        padding: 0 1.5rem;
    }
    
    .faq-item.active .faq-answer {
        padding: 0 1.5rem 1.5rem;
    }
    
    .cta-final {
        padding: 80px 0;
    }
    
    .cta-content h2 {
        font-size: 2.2rem;
        padding: 0 10px;
    }
    
    .cta-content p {
        font-size: 1.1rem;
        padding: 0 15px;
    }
    
    .btn-primary.x-large {
        padding: 1.2rem 2rem;
        font-size: 1.2rem;
        width: 100%;
        max-width: 400px;
        margin: 0 auto;
    }
    
    .footer {
        padding: 60px 0 30px;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
    
    .footer-col {
        text-align: center;
        padding: 0 10px;
    }
    
    .social-links {
        justify-content: center;
    }
    
    .footer-bottom {
        padding-top: 2rem;
        font-size: 0.85rem;
    }
    
    .whatsapp-float {
        width: 60px;
        height: 60px;
        font-size: 1.7rem;
        bottom: 20px;
        right: 20px;
    }
}

/* Celulares pequenos (menos de 576px) */
@media (max-width: 575px) {
    .container {
        padding: 0 15px;
    }
    
    .hero-content h1 {
        font-size: 2.2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .calendar-intro h2 {
        font-size: 1.9rem;
    }
    
    .slots-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .time-slot {
        padding: 0.7rem 0.5rem;
        font-size: 0.9rem;
    }
    
    .quick-dates {
        flex-direction: column;
        gap: 0.8rem;
    }
    
    .quick-date {
        width: 100%;
    }
    
    .btn-whatsapp-giant {
        font-size: 1.1rem;
        padding: 1rem 1.2rem;
    }
    
    .timeline::before {
        left: 25px;
    }
    
    .timeline-icon {
        width: 50px;
        height: 50px;
        font-size: 1.3rem;
    }
    
    .timeline-content {
        margin-left: 1.2rem !important;
        padding: 1rem;
    }
    
    .timeline-content h3 {
        font-size: 1.2rem;
    }
    
    .testimonial-card {
        padding: 1.2rem;
    }
    
    .cta-content h2 {
        font-size: 1.9rem;
    }
    
    .btn-primary.x-large {
        font-size: 1.1rem;
        padding: 1rem 1.5rem;
    }
}

/* Ajustes específicos para orientação landscape em celulares */
@media (max-height: 600px) and (orientation: landscape) {
    .hero {
        min-height: auto;
        padding: 120px 0 60px;
    }
    
    .hero .container {
        grid-template-columns: 1fr 1fr;
        gap: 2rem;
    }
    
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .hero-content p {
        font-size: 1rem;
    }
    
    .hero-buttons {
        flex-direction: row;
        flex-wrap: wrap;
    }
    
    .hero-stats {
        margin-top: 1.5rem;
    }
    
    .calendar-hero {
        padding: 60px 0;
    }
}

/* ==========================================================================
   SUPORTE TOUCH E MOBILE
   ========================================================================== */

/* Feedback tátil melhorado */
.touch-device .time-slot:active,
.touch-device .quick-date:active,
.touch-device .nav-link:active,
.touch-device .btn-primary:active,
.touch-device .btn-secondary:active,
.touch-device .feature-card:active,
.touch-device .tech-card:active,
.touch-device .stat-card:active {
    transform: scale(0.97) !important;
    transition: transform 0.1s !important;
}

.touch-active {
    opacity: 0.8 !important;
}

/* Melhorar área de toque para mobile */
@media (max-width: 767px) {
    .nav-link,
    .btn-primary,
    .btn-secondary,
    .time-slot,
    .quick-date,
    .faq-question {
        min-height: 44px;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    .btn-whatsapp-giant {
        min-height: 60px;
    }
    
    .social-links a,
    .menu-toggle {
        min-width: 44px;
        min-height: 44px;
    }
    
    input, select, textarea, button {
        font-size: 16px !important;
    }
    
    .calendar-main,
    .chat-messages,
    .faq-answer {
        -webkit-overflow-scrolling: touch;
        overflow-y: auto;
    }
}

/* Correção específica para iOS */
@supports (-webkit-touch-callout: none) {
    .hero,
    .calendar-hero,
    .cta-final {
        min-height: -webkit-fill-available;
    }
    
    .whatsapp-float {
        margin-bottom: env(safe-area-inset-bottom);
    }
}

/* Prevenir seleção de texto */
.btn-primary, .btn-secondary, .btn-whatsapp-giant,
.time-slot, .quick-date, .nav-link,
.menu-toggle, .social-links a {
    -webkit-tap-highlight-color: transparent;
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    user-select: none;
}

/* Melhorar performance de animações em mobile */
@media (max-width: 767px) {
    .float-circle,
    .hero-gradient,
    .calendar-gradient {
        animation-duration: 30s !important;
        animation-timing-function: linear !important;
    }
    
    #particles-js {
        display: none;
    }
    
    .floating-elements {
        display: none;
    }
}

/* Garantir que elementos não saiam da tela */
@media (max-width: 767px) {
    .container {
        overflow-x: hidden;
    }
    
    img, video, iframe {
        max-width: 100%;
        height: auto;
    }
    
    .chat-interface {
        max-width: 100%;
        margin: 0 auto;
    }
    
    .calendar-box {
        margin: 0 5px;
    }
}

/* Estado de loading otimizado para mobile */
@media (max-width: 767px) {
    .message.typing span {
        animation-duration: 0.8s;
    }
    
    .pulse-btn {
        animation-duration: 1.5s;
    }
}

/* Suporte a dark mode em mobile */
@media (prefers-color-scheme: dark) {
    body {
        background-color: var(--dark);
    }
    
    .stat-card, .tech-card, .feature-card {
        background: rgba(255,255,255,0.05);
    }
}

/* Impedir zoom em inputs em iOS */
@media (max-width: 767px) {
    input, select, textarea {
        font-size: 16px !important;
    }
    
    #picker {
        font-size: 16px !important;
    }
}

/* Suporte a telas com notch (iPhone X e superiores) */
@supports(padding: max(0px)) {
    .header, .container {
        padding-left: max(15px, env(safe-area-inset-left));
        padding-right: max(15px, env(safe-area-inset-right));
    }
    
    .footer {
        padding-bottom: max(30px, env(safe-area-inset-bottom));
    }
    
    .whatsapp-float {
        bottom: max(20px, env(safe-area-inset-bottom));
        right: max(20px, env(safe-area-inset-right));
    }
}

/* Garantir que animações funcionem em mobile */
@media (prefers-reduced-motion: reduce) {
    *, ::before, ::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}