/* Reset e Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.6;
    color: #1a1a1a;
    background: #fff;
    overflow-x: hidden;
}

/* Utilitários */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.hidden {
    display: none !important;
}

.landing-gate {
    position: fixed;
    inset: 0;
    background: #000;
    color: #f0fff4;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 24px;
    text-align: center;
    z-index: 2000;
    flex-direction: column;
}

.landing-gate::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle, rgba(29, 233, 182, 0.22), transparent 65%);
    z-index: 1;
}

.landing-gate.visible {
    display: flex;
}

.landing-gate-content {
    position: relative;
    z-index: 2;
    width: min(520px, 90vw);
    padding: 36px 32px;
    border-radius: 20px;
    background: linear-gradient(145deg, rgba(10, 10, 10, 0.95), rgba(15, 15, 15, 0.85));
    border: 1px solid rgba(29, 233, 182, 0.6);
    box-shadow:
        0 0 20px rgba(29, 233, 182, 0.18),
        0 12px 25px rgba(0, 0, 0, 0.65);
}

.landing-gate-content h1 {
    font-size: clamp(28px, 5vw, 36px);
    margin-bottom: 16px;
    letter-spacing: 0.08em;
    color: #6eff8a;
    text-transform: uppercase;
    text-shadow: 0 0 12px rgba(29, 233, 182, 0.7);
}

.landing-gate-content p {
    margin: 0;
    color: #d6ffce;
    font-size: 18px;
    line-height: 1.4;
}

.landing-gate-pill {
    position: relative;
    z-index: 2;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 6px 16px;
    border-radius: 999px;
    font-weight: 600;
    font-size: 12px;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: #000;
    background: #23c488;
    margin-bottom: 14px;
}

.landing-gate-content strong {
    color: #ffffff;
}

body.landing-gate-active {
    overflow: hidden;
}

/* Cores e Variáveis */
:root {
    --primary-color: #25D366;
    --primary-dark: #1fb355;
    --secondary-color: #128C7E;
    --accent-color: #DCF8C6;
    --text-dark: #1a1a1a;
    --text-gray: #666;
    --text-light: #888;
    --border-color: #e1e1e1;
    --gradient-primary: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
    --gradient-secondary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --shadow: 0 4px 25px rgba(0,0,0,0.1);
    --shadow-hover: 0 8px 40px rgba(0,0,0,0.15);
    --radius: 12px;
    --radius-lg: 20px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* WhatsApp Float Button */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-hover);
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 1000;
    animation: pulse 2s infinite;
    text-decoration: none;
    color: white;
    border: none;
    outline: none;
}

.whatsapp-float:hover {
    width: auto;
    min-width: 60px;
    border-radius: 30px;
    padding: 0 20px 0 0;
    transform: scale(1.05);
}

.whatsapp-float:visited,
.whatsapp-float:active,
.whatsapp-float:focus {
    color: white;
    text-decoration: none;
}

.whatsapp-float i {
    font-size: 28px;
    color: white;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    margin: 0;
    padding: 0;
    line-height: 1;
    transform: translateX(2px);
}

.whatsapp-text {
    color: white;
    font-weight: 600;
    font-size: 16px;
    margin-left: 8px;
    opacity: 0;
    width: 0;
    overflow: hidden;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.whatsapp-float:hover .whatsapp-text {
    opacity: 1;
    width: auto;
    margin-left: 8px;
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7); }
    70% { box-shadow: 0 0 0 10px rgba(37, 211, 102, 0); }
    100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); }
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    z-index: 999;
    transition: var(--transition);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 800;
    font-size: 24px;
    color: var(--text-dark);
}

.nav-logo-img {
    height: 45px;
    width: auto;
    transition: var(--transition);
}

.nav-logo-img:hover {
    transform: scale(1.05);
}

.nav-icon {
    color: var(--primary-color);
    font-size: 28px;
}

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

.nav-menu {
    display: flex;
    align-items: center;
    gap: 30px;
}

.nav-link {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: var(--transition);
}

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

.nav-button {
    background: var(--gradient-primary);
    color: white;
    padding: 12px 24px;
    border-radius: var(--radius);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    box-shadow: var(--shadow);
}

.nav-button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--text-dark);
    transition: var(--transition);
}

/* Hero Section */
.hero {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, #f8fffe 0%, #f0fef9 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 20"><defs><radialGradient id="a" cx="50%" cy="50%" r="50%"><stop offset="0%" stop-color="%2325D366" stop-opacity="0.1"/><stop offset="100%" stop-color="%2325D366" stop-opacity="0"/></radialGradient></defs><circle cx="20" cy="10" r="10" fill="url(%23a)"/><circle cx="80" cy="10" r="10" fill="url(%23a)"/></svg>') repeat;
    opacity: 0.3;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(37, 211, 102, 0.1);
    color: var(--primary-color);
    padding: 8px 16px;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 24px;
    animation: slideInUp 0.8s ease-out;
}

.hero-title {
    font-size: 48px;
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 24px;
    color: var(--text-dark);
    animation: slideInUp 0.8s ease-out 0.2s both;
}

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

.hero-subtitle {
    font-size: 18px;
    line-height: 1.7;
    color: var(--text-gray);
    margin-bottom: 32px;
    animation: slideInUp 0.8s ease-out 0.4s both;
}

.hero-subtitle strong {
    color: var(--text-dark);
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 40px;
    animation: slideInUp 0.8s ease-out 0.6s both;
}

.stat {
    text-align: center;
    padding: 20px;
    background: white;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.stat:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.stat-number {
    font-size: 28px;
    font-weight: 800;
    color: var(--primary-color);
    display: block;
}

.stat-label {
    font-size: 14px;
    color: var(--text-gray);
    margin-top: 4px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    margin-bottom: 24px;
    animation: slideInUp 0.8s ease-out 0.8s both;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    border: none;
    padding: 16px 32px;
    border-radius: var(--radius);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow);
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    white-space: nowrap;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

.btn-secondary {
    background: white;
    color: var(--text-dark);
    border: 2px solid var(--border-color);
    padding: 14px 28px;
    border-radius: var(--radius);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    white-space: nowrap;
}

.btn-secondary:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-2px);
}

.hero-guarantee {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-gray);
    font-size: 14px;
    animation: slideInUp 0.8s ease-out 1s both;
}

.hero-guarantee i {
    color: var(--primary-color);
}

/* Phone Mockup */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    animation: slideInRight 0.8s ease-out 0.4s both;
}

.phone-mockup {
    width: 280px;
    height: 560px;
    background: #1f1f1f;
    border-radius: 30px;
    padding: 8px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
    position: relative;
    overflow: hidden;
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: #0d1418;
    border-radius: 22px;
    overflow: hidden;
    position: relative;
}

.whatsapp-header {
    background: #202c33;
    padding: 15px;
    display: flex;
    align-items: center;
    gap: 12px;
    color: white;
    border-bottom: 1px solid #313d44;
}

.whatsapp-header i {
    color: var(--primary-color);
    font-size: 18px;
}

.status-online {
    width: 8px;
    height: 8px;
    background: var(--primary-color);
    border-radius: 50%;
    margin-left: auto;
    animation: pulse 2s infinite;
}

.chat-messages {
    padding: 20px 15px;
    height: calc(100% - 70px);
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.message {
    max-width: 75%;
    padding: 12px 16px;
    border-radius: 18px;
    position: relative;
    animation: messageSlide 0.5s ease-out;
}

.message.received {
    background: #202c33;
    color: white;
    align-self: flex-start;
    border-bottom-left-radius: 4px;
}

.message.sent {
    background: #005c4b;
    color: white;
    align-self: flex-end;
    border-bottom-right-radius: 4px;
}

.message-time {
    font-size: 11px;
    opacity: 0.7;
    margin-top: 4px;
    text-align: right;
}

.typing-indicator {
    display: flex;
    gap: 4px;
    padding: 8px 0;
}

.typing-indicator span {
    width: 8px;
    height: 8px;
    background: #aaa;
    border-radius: 50%;
    animation: typing 1.4s infinite ease-in-out;
}

.typing-indicator span:nth-child(2) {
    animation-delay: 0.2s;
}

.typing-indicator span:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes typing {
    0%, 60%, 100% { transform: translateY(0); }
    30% { transform: translateY(-10px); }
}

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

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

.section-header h2 {
    font-size: 40px;
    font-weight: 800;
    margin-bottom: 16px;
    color: var(--text-dark);
}

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

/* Problems Section */
.problems {
    padding: 100px 0;
    background: #f9f9f9;
}

.problems-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.problem-card {
    background: white;
    padding: 30px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
    border-left: 4px solid #ff4757;
}

.problem-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.problem-icon {
    font-size: 48px;
    margin-bottom: 20px;
    display: block;
}

.problem-card h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text-dark);
}

.problem-card p {
    color: var(--text-gray);
    line-height: 1.6;
}

/* Solution Section */
.solution {
    padding: 100px 0;
    background: white;
}

.solution-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.solution-card {
    background: white;
    padding: 40px 30px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    transition: var(--transition);
    position: relative;
    border: 2px solid transparent;
}

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

.solution-card.featured {
    border: 2px solid var(--primary-color);
    background: linear-gradient(135deg, rgba(37, 211, 102, 0.05) 0%, rgba(18, 140, 126, 0.05) 100%);
}

.featured-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-primary);
    color: white;
    padding: 6px 20px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.solution-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    font-size: 32px;
    color: white;
}

.solution-card h3 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 16px;
    text-align: center;
    color: var(--text-dark);
}

.solution-description p {
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 16px;
    text-align: center;
}

.solution-description ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.solution-description li {
    color: var(--text-gray);
    margin-bottom: 8px;
    font-size: 14px;
}

/* Test AI Now Section */
.test-ai-now {
    padding: 100px 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    position: relative;
    overflow: hidden;
}

.test-ai-now::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="100" height="100" patternUnits="userSpaceOnUse"><path d="M 100 0 L 0 0 0 100" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="1"/></pattern></defs><rect width="100%" height="100%" fill="url(%23grid)" /></svg>');
    opacity: 0.5;
}

.test-ai-card {
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: 0 20px 60px rgba(0,0,0,0.2);
    overflow: hidden;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
    position: relative;
    z-index: 1;
}

.test-ai-content {
    padding: 60px 50px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.test-ai-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    font-size: 36px;
    color: white;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7);
    }
    50% {
        transform: scale(1.05);
        box-shadow: 0 0 0 20px rgba(37, 211, 102, 0);
    }
}

.test-ai-content h2 {
    font-size: 32px;
    font-weight: 800;
    margin-bottom: 16px;
    color: var(--text-dark);
    line-height: 1.2;
}

.test-ai-subtitle {
    font-size: 18px;
    line-height: 1.6;
    color: var(--text-gray);
    margin-bottom: 24px;
}

.test-ai-subtitle strong {
    color: var(--primary-color);
    font-weight: 700;
}

.test-ai-features {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 32px;
}

.test-feature {
    background: #f0fdf4;
    color: #16a34a;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
    border: 1px solid #86efac;
}

.btn-test-ai {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    background: var(--gradient-primary);
    color: white;
    padding: 20px 40px;
    border-radius: 50px;
    font-size: 18px;
    font-weight: 700;
    text-decoration: none;
    transition: var(--transition);
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    border: none;
    cursor: pointer;
}

.btn-test-ai:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(37, 211, 102, 0.5);
}

.btn-test-ai i {
    font-size: 24px;
}

.test-ai-note {
    margin-top: 16px;
    font-size: 14px;
    color: var(--text-light);
    text-align: center;
}

.test-ai-visual {
    background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
    padding: 60px 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.test-ai-visual::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="40" height="40" xmlns="http://www.w3.org/2000/svg"><circle cx="20" cy="20" r="2" fill="rgba(255,255,255,0.1)"/></svg>');
    opacity: 0.3;
}

.ai-demo-preview {
    background: white;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
    overflow: hidden;
    width: 100%;
    max-width: 400px;
    position: relative;
    z-index: 1;
}

.demo-header {
    background: #075E54;
    padding: 16px 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    color: white;
}

.demo-avatar {
    width: 48px;
    height: 48px;
    background: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
}

.demo-info {
    flex: 1;
}

.demo-info strong {
    display: block;
    font-size: 16px;
    margin-bottom: 2px;
}

.online-status {
    font-size: 12px;
    color: #4ade80;
    font-weight: 500;
}

.demo-messages {
    padding: 20px;
    background: #ece5dd;
    min-height: 300px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.demo-message {
    max-width: 75%;
    padding: 10px 14px;
    border-radius: 8px;
    font-size: 14px;
    line-height: 1.5;
    position: relative;
    animation: fadeIn 0.5s ease-in-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.demo-message.received {
    background: white;
    align-self: flex-start;
    border-radius: 8px 8px 8px 0;
    box-shadow: 0 1px 2px rgba(0,0,0,0.1);
}

.demo-message.sent {
    background: #d9fdd3;
    align-self: flex-end;
    border-radius: 8px 8px 0 8px;
    box-shadow: 0 1px 2px rgba(0,0,0,0.1);
}

.demo-message.typing-animation {
    display: flex;
    gap: 4px;
    padding: 16px 20px;
}

.demo-message.typing-animation::before,
.demo-message.typing-animation::after {
    content: '';
    width: 8px;
    height: 8px;
    background: #9ca3af;
    border-radius: 50%;
    animation: typing 1.4s infinite;
}

.demo-message.typing-animation::before {
    animation-delay: 0.2s;
}

.demo-message.typing-animation::after {
    animation-delay: 0.4s;
}

@keyframes typing {
    0%, 60%, 100% {
        transform: translateY(0);
        opacity: 0.6;
    }
    30% {
        transform: translateY(-8px);
        opacity: 1;
    }
}

/* Responsive */
@media (max-width: 968px) {
    .test-ai-card {
        grid-template-columns: 1fr;
    }

    .test-ai-content {
        padding: 40px 30px;
    }

    .test-ai-visual {
        padding: 40px 30px;
    }

    .test-ai-content h2 {
        font-size: 28px;
    }

    .btn-test-ai {
        width: 100%;
        padding: 18px 32px;
        font-size: 16px;
    }
}

/* Features Section */
.features {
    padding: 100px 0;
    background: #f9f9f9;
}

.features-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.feature-card {
    background: white;
    padding: 40px 30px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    transition: var(--transition);
    text-align: center;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    font-size: 32px;
    color: white;
}

.feature-card h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text-dark);
}

.feature-card p {
    color: var(--text-gray);
    margin-bottom: 20px;
    line-height: 1.6;
}

.feature-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.feature-item {
    color: var(--primary-color);
    font-size: 14px;
    font-weight: 500;
    text-align: left;
}

/* Video Demo */
.video-demo {
    padding: 100px 0;
    background: white;
}

.video-container {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-hover);
    background: #000;
}

.demo-video {
    width: 100%;
    height: auto;
    display: block;
    border-radius: var(--radius-lg);
    transition: var(--transition);
}

.demo-video:hover {
    transform: scale(1.02);
}

.video-placeholder {
    width: 100%;
    height: 450px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: var(--radius-lg);
    position: relative;
    overflow: hidden;
    cursor: pointer;
    transition: var(--transition);
}

.video-placeholder:hover {
    transform: scale(1.02);
}

.play-button {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: var(--primary-color);
    transition: var(--transition);
    animation: pulse 2s infinite;
}

.video-placeholder:hover .play-button {
    background: white;
    transform: translate(-50%, -50%) scale(1.1);
}

.video-overlay {
    position: absolute;
    bottom: 30px;
    left: 30px;
    color: white;
}

.video-overlay h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 8px;
}

.video-overlay p {
    font-size: 16px;
    opacity: 0.9;
}

/* Interface Showcase */
.interface-showcase {
    padding: 100px 0;
    background: linear-gradient(135deg, #f8f9ff 0%, #f0f5ff 100%);
}

/* Showcase Tabs */
.showcase-tabs {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-bottom: 60px;
    flex-wrap: wrap;
    overflow-x: hidden;
}

.tab-button {
    background: white;
    border: 2px solid var(--border-color);
    padding: 12px 20px;
    border-radius: var(--radius);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 6px;
    white-space: nowrap;
}

.tab-button:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-2px);
}

.tab-button.active {
    background: var(--gradient-primary);
    color: white;
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.showcase-content {
    margin-bottom: 80px;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
    animation: fadeInUp 0.5s ease-out;
}

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

.showcase-item {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    background: white;
    padding: 50px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.showcase-item:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-hover);
}

.showcase-item.reverse {
    direction: rtl;
}

.showcase-item.reverse > * {
    direction: ltr;
}

.showcase-image {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
    transition: var(--transition);
}

.showcase-image:hover {
    transform: scale(1.02);
}

.showcase-image img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: var(--radius-lg);
}

.image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, rgba(37, 211, 102, 0.9) 0%, rgba(18, 140, 126, 0.9) 100%);
    opacity: 0;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-lg);
}

.showcase-image:hover .image-overlay {
    opacity: 1;
}

.overlay-content {
    text-align: center;
    color: white;
    padding: 20px;
}

.overlay-content h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 8px;
}

.overlay-content p {
    font-size: 16px;
    opacity: 0.95;
}

.showcase-description h3 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--text-dark);
}

.showcase-description p {
    font-size: 18px;
    line-height: 1.6;
    color: var(--text-gray);
    margin-bottom: 24px;
}

.simple-features {
    list-style: none;
    margin: 0;
    padding: 0;
}

.simple-features li {
    font-size: 16px;
    margin-bottom: 12px;
    color: var(--text-dark);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Credibility Banner */
.credibility-banner {
    background: white;
    border-radius: var(--radius-lg);
    padding: 40px;
    box-shadow: var(--shadow);
}

.credibility-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    text-align: center;
}

.credibility-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}

.credibility-icon {
    font-size: 48px;
    margin-bottom: 8px;
}

.credibility-text strong {
    display: block;
    font-size: 18px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 4px;
}

.credibility-text span {
    font-size: 14px;
    color: var(--text-gray);
}

/* Responsive para Interface Showcase */
@media (max-width: 1024px) {
    .showcase-item {
        grid-template-columns: 1fr;
        gap: 40px;
        padding: 40px 30px;
    }

    .showcase-item.reverse {
        direction: ltr;
    }

    .showcase-description {
        text-align: center;
    }
}

@media (max-width: 768px) {
    .interface-showcase {
        padding: 60px 0;
    }

    .showcase-tabs {
        gap: 8px;
        margin-bottom: 40px;
        justify-content: center;
        flex-wrap: wrap;
    }

    .tab-button {
        padding: 10px 14px;
        font-size: 13px;
        white-space: nowrap;
        flex: 0 0 auto;
        min-width: auto;
    }
}

    .showcase-content {
        margin-bottom: 50px;
    }

    .showcase-item {
        padding: 30px 20px;
    }

    .showcase-description h3 {
        font-size: 24px;
    }

    .showcase-description p {
        font-size: 16px;
    }

    .credibility-banner {
        padding: 30px 20px;
    }

    .credibility-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}

/* Testimonials */
.testimonials {
    padding: 100px 0;
    background: #f9f9f9;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.testimonial-card {
    background: white;
    padding: 30px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.testimonial-content {
    margin-bottom: 20px;
}

.stars {
    font-size: 18px;
    margin-bottom: 16px;
}

.testimonial-content p {
    font-style: italic;
    line-height: 1.6;
    color: var(--text-gray);
}

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

.author-avatar {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
}

.author-info strong {
    display: block;
    color: var(--text-dark);
    font-weight: 600;
}

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

/* Free Trial Section */
.free-trial {
    padding: 120px 0 140px;
    background: radial-gradient(circle at top left, rgba(29, 233, 182, 0.25), transparent 45%), #030c08;
}

.trial-card {
    background: linear-gradient(145deg, rgba(6, 20, 5, 0.95), rgba(2, 6, 3, 0.95));
    border-radius: var(--radius-lg);
    padding: 60px;
    margin: 0 auto;
    max-width: 1100px;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.55);
    border: 1px solid rgba(61, 255, 187, 0.25);
}

.trial-header {
    text-align: left;
    margin-bottom: 40px;
}

.trial-eyebrow {
    text-transform: uppercase;
    letter-spacing: 0.4em;
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.8);
}

.trial-header h2 {
    font-size: clamp(2.6rem, 3vw, 3.5rem);
    margin: 0.4rem 0 8px;
    color: #f9fef4;
}

.trial-header p {
    color: rgba(255, 255, 255, 0.82);
    font-size: 1rem;
    max-width: 520px;
}

.trial-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 32px;
    align-items: stretch;
}

.trial-info,
.trial-cta-panel {
    border-radius: var(--radius);
    padding: 32px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(0, 0, 0, 0.35);
    box-shadow: inset 0 0 0 1px rgba(61, 255, 187, 0.1);
}

.trial-info {
    background: rgba(10, 23, 13, 0.8);
}

.trial-hero h3 {
    margin: 8px 0 12px;
    font-size: 1.9rem;
    color: #f9fef4;
}

.trial-duration {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    border-radius: 999px;
    background: rgba(29, 233, 182, 0.15);
    color: #29e9b6;
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
}

.trial-info p {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.5;
}

.trial-feature-list {
    list-style: none;
    margin-top: 24px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.trial-feature-list li {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.9);
    display: flex;
    align-items: center;
    gap: 10px;
    padding-left: 12px;
}

.trial-feature-list li span {
    font-size: 1.1rem;
}

.trial-cta-panel {
    display: flex;
    flex-direction: column;
    justify-content: center;
    background: linear-gradient(180deg, rgba(29, 233, 182, 0.15), rgba(5, 12, 7, 0.6));
}

.trial-cta-details {
    margin-bottom: 24px;
}

.trial-cta-title {
    font-size: 1.1rem;
    text-transform: uppercase;
    letter-spacing: 0.3em;
    color: rgba(255, 255, 255, 0.7);
}

.trial-cta-subtitle {
    font-size: 1.4rem;
    color: #ffffff;
    margin: 6px 0 0;
}

.trial-note {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
    margin-top: 16px;
}

.trial-badges {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 20px;
}

.trial-badges span {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.trial-badges strong {
    color: #ffffff;
}

.btn-trial-large {
    width: 100%;
    justify-content: center;
    font-size: 1.05rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    padding: 18px;
    border-radius: 999px;
    background: linear-gradient(135deg, #3dffbb, #1aac80);
    border: none;
    color: #02130a;
}

.btn-trial-large i {
    font-size: 1.2rem;
}

.btn-trial-large:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 30px rgba(61, 255, 187, 0.3);
}

.trial-cta-panel .trial-badges span i {
    color: #29e9b6;
}

@media (max-width: 768px) {
    .trial-card {
        padding: 36px;
    }

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

    .trial-cta-panel {
        text-align: center;
    }

    .trial-cta-title {
        letter-spacing: normal;
    }

    .trial-feature-list li {
        font-size: 0.95rem;
    }
}

/* Pricing */
.pricing {
    padding: 100px 0;
    background: white;
}

.pricing-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    margin-bottom: 50px;
}

.toggle-label {
    font-weight: 600;
    color: var(--text-gray);
}

.toggle-switch {
    width: 60px;
    height: 30px;
    background: var(--border-color);
    border-radius: 15px;
    position: relative;
    cursor: pointer;
    transition: var(--transition);
}

.toggle-switch.active {
    background: var(--primary-color);
}

.toggle-thumb {
    width: 26px;
    height: 26px;
    background: white;
    border-radius: 50%;
    position: absolute;
    top: 2px;
    left: 2px;
    transition: var(--transition);
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.toggle-switch.active .toggle-thumb {
    transform: translateX(30px);
}

.discount-badge {
    background: #ff4757;
    color: white;
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 700;
    margin-left: 8px;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-bottom: 50px;
}

.pricing-card {
    background: white;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 40px 30px;
    text-align: center;
    transition: var(--transition);
    position: relative;
}

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

.pricing-card.popular {
    border-color: var(--primary-color);
    transform: scale(1.05);
    background: linear-gradient(135deg, rgba(37, 211, 102, 0.05) 0%, rgba(18, 140, 126, 0.05) 100%);
}

.pricing-card.trial {
    border-color: #667eea;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.05) 0%, rgba(118, 75, 162, 0.05) 100%);
}

.popular-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-primary);
    color: white;
    padding: 8px 24px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.card-header h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text-dark);
}

.price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    margin-bottom: 8px;
}

.currency {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-gray);
}

.amount {
    font-size: 48px;
    font-weight: 900;
    color: var(--text-dark);
    margin: 0 4px;
}

.period {
    font-size: 16px;
    color: var(--text-gray);
}

.price-subtitle {
    color: var(--text-gray);
    margin-bottom: 30px;
    font-size: 14px;
}

.card-features {
    margin-bottom: 30px;
}

.feature {
    padding: 8px 0;
    border-bottom: 1px solid var(--border-color);
    font-size: 14px;
    color: var(--text-gray);
}

.feature:last-child {
    border-bottom: none;
}

.feature-highlight {
    background: rgba(37, 211, 102, 0.1);
    font-weight: 600;
    color: var(--primary-color);
    border-left: 3px solid var(--primary-color);
    padding-left: 12px;
}

.btn-plan {
    width: 100%;
    background: var(--gradient-primary);
    color: white;
    border: none;
    padding: 16px;
    border-radius: var(--radius);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn-plan:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.btn-trial {
    width: 100%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    padding: 16px;
    border-radius: var(--radius);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn-trial:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.popular-btn {
    background: var(--gradient-primary) !important;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.pricing-guarantee {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    padding: 30px;
    background: rgba(37, 211, 102, 0.1);
    border-radius: var(--radius-lg);
    max-width: 600px;
    margin: 0 auto;
}

.pricing-guarantee i {
    font-size: 24px;
    color: var(--primary-color);
}

/* FAQ */
.faq {
    padding: 100px 0;
    background: #f9f9f9;
}

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

.faq-item {
    background: white;
    border-radius: var(--radius-lg);
    margin-bottom: 16px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.faq-item:hover {
    box-shadow: var(--shadow-hover);
}

.faq-question {
    padding: 24px 30px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: var(--transition);
}

.faq-question:hover {
    background: rgba(37, 211, 102, 0.05);
}

.faq-question h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-dark);
}

.faq-question i {
    color: var(--primary-color);
    transition: var(--transition);
}

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

.faq-answer {
    padding: 0 30px 24px;
    display: none;
    color: var(--text-gray);
    line-height: 1.6;
}

.faq-item.active .faq-answer {
    display: block;
    animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Final CTA */
.final-cta {
    padding: 100px 0;
    background: var(--gradient-primary);
    color: white;
    text-align: center;
}

.cta-content h2 {
    font-size: 48px;
    font-weight: 900;
    margin-bottom: 20px;
}

.cta-subtitle {
    font-size: 20px;
    margin-bottom: 40px;
    opacity: 0.9;
}

.urgency-timer {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 24px;
}

.timer-item {
    background: rgba(255, 255, 255, 0.2);
    padding: 20px;
    border-radius: var(--radius);
    min-width: 80px;
}

.timer-number {
    font-size: 36px;
    font-weight: 900;
    display: block;
}

.timer-label {
    font-size: 14px;
    opacity: 0.8;
}

.urgency-text {
    margin-bottom: 40px;
    font-size: 18px;
    font-weight: 600;
}

.cta-buttons {
    margin-bottom: 40px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.btn-primary.large {
    font-size: 20px;
    padding: 20px 40px;
    border-radius: var(--radius-lg);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    max-width: 500px;
    width: auto;
}

.cta-guarantees {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-top: 30px;
    flex-wrap: wrap;
}

.guarantee-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    opacity: 0.9;
}

.social-proof {
    margin-top: 50px;
}

.social-avatars {
    display: flex;
    justify-content: center;
    gap: -8px;
    margin-bottom: 16px;
}

.avatar {
    width: 50px;
    height: 50px;
    background: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    margin-left: -8px;
    border: 3px solid var(--primary-color);
}

.avatar:first-child {
    margin-left: 0;
}

/* Footer */
.footer {
    background: #1a1a1a;
    color: white;
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand {
    max-width: 300px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 800;
    font-size: 24px;
    margin-bottom: 16px;
}

.footer-logo-img {
    height: 35px;
    width: auto;
    transition: var(--transition);
}

.footer-logo i {
    color: var(--primary-color);
    font-size: 28px;
}

.footer-brand p {
    color: #aaa;
    line-height: 1.6;
}

.footer-links h4,
.footer-support h4,
.footer-contact h4 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 16px;
    color: white;
}

.footer-links a,
.footer-support a {
    display: block;
    color: #aaa;
    text-decoration: none;
    margin-bottom: 8px;
    transition: var(--transition);
}

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

.footer-contact p {
    color: #aaa;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.footer-contact i {
    color: var(--primary-color);
}

.footer-social {
    display: flex;
    gap: 12px;
    margin-top: 16px;
}

.footer-social a {
    width: 40px;
    height: 40px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    transition: var(--transition);
}

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

.footer-bottom {
    border-top: 1px solid #333;
    padding-top: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-legal {
    display: flex;
    gap: 20px;
}

.footer-legal a {
    color: #aaa;
    text-decoration: none;
    font-size: 14px;
    transition: var(--transition);
}

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

/* Animations */
@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 40px;
    }

    .hero-title {
        font-size: 40px;
    }

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

    .phone-mockup {
        width: 250px;
        height: 500px;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }

    .hamburger {
        display: flex;
    }

    .hero {
        padding: 100px 0 60px;
    }

    .hero-title {
        font-size: 32px;
    }

    .hero-subtitle {
        font-size: 16px;
    }

    .hero-stats {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .btn-primary,
    .btn-secondary {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }

    .section-header h2 {
        font-size: 28px;
    }

    .problems-grid,
    .solution-grid,
    .features-container,
    .testimonials-grid {
        grid-template-columns: 1fr;
    }

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

    .pricing-card.popular {
        transform: none;
    }

    .cta-content h2 {
        font-size: 32px;
    }

    .urgency-timer {
        gap: 12px;
    }

    .timer-item {
        padding: 15px;
        min-width: 70px;
    }

    .timer-number {
        font-size: 28px;
    }

    .cta-guarantees {
        flex-direction: column;
        align-items: center;
        gap: 20px;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }

    .container {
        padding: 0 15px;
    }

    /* Video responsivo para mobile */
    .video-container {
        max-width: 95%;
        margin: 0 auto;
        border-radius: 12px;
    }

    .demo-video {
        border-radius: 12px;
    }

    .demo-video:hover {
        transform: none;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 28px;
    }

    .btn-primary.large {
        font-size: 18px;
        padding: 16px 32px;
    }

    .phone-mockup {
        width: 220px;
        height: 440px;
    }

    .cta-content h2 {
        font-size: 28px;
    }

    .section-header h2 {
        font-size: 24px;
    }

    .problems-grid,
    .solution-grid,
    .features-container {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .problem-card,
    .solution-card,
    .feature-card {
        padding: 20px;
    }

    /* Showcase Tabs para telas muito pequenas */
    .showcase-tabs {
        gap: 6px;
    }

    .tab-button {
        padding: 8px 10px;
        font-size: 12px;
    }

    /* Video ainda mais responsivo para telas pequenas */
    .video-container {
        max-width: 98%;
        margin: 0 auto;
        border-radius: 8px;
    }

    .demo-video {
        border-radius: 8px;
    }

    .video-demo {
        padding: 60px 0;
    }
}

/* High contrast mode */
@media (prefers-contrast: high) {
    :root {
        --shadow: 0 4px 25px rgba(0,0,0,0.3);
        --shadow-hover: 0 8px 40px rgba(0,0,0,0.4);
    }

    .btn-primary {
        border: 2px solid #ffffff;
    }

    .btn-secondary {
        border-width: 3px;
    }
}

/* ===============================
   IMAGE MODAL / LIGHTBOX
   =============================== */

.zoom-hint {
    background: rgba(0,0,0,0.7);
    color: white;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 12px;
    margin-top: 12px;
    display: inline-block;
    font-weight: 600;
}

.showcase-image {
    cursor: pointer;
}

.image-modal {
    display: none;
    position: fixed;
    z-index: 10000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(5px);
    animation: modalFadeIn 0.3s ease-out;
}

.image-modal.show {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background: white;
    border-radius: var(--radius-lg);
    max-width: 95vw;
    max-height: 95vh;
    width: auto;
    height: auto;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
    animation: modalSlideIn 0.3s ease-out;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 30px;
    border-bottom: 1px solid var(--border-color);
    background: #f9f9f9;
}

.modal-header h3 {
    margin: 0;
    font-size: 18px;
    font-weight: 700;
    color: var(--text-dark);
}

.close-modal {
    font-size: 32px;
    font-weight: bold;
    color: var(--text-gray);
    cursor: pointer;
    transition: var(--transition);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.close-modal:hover {
    background: var(--primary-color);
    color: white;
    transform: scale(1.1);
}

.modal-body {
    position: relative;
    overflow: hidden;
    max-height: 70vh;
}

.image-container {
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f0f0f0;
    min-height: 400px;
}

#modalImage {
    max-width: 100%;
    max-height: 70vh;
    object-fit: contain;
    transition: transform 0.3s ease;
    cursor: grab;
    user-select: none;
}

#modalImage:active {
    cursor: grabbing;
}

.zoom-controls {
    position: absolute;
    bottom: 20px;
    right: 20px;
    display: flex;
    gap: 8px;
    background: rgba(0,0,0,0.8);
    padding: 8px;
    border-radius: var(--radius);
}

.zoom-btn {
    background: rgba(255,255,255,0.2);
    border: none;
    color: white;
    padding: 12px;
    border-radius: var(--radius);
    cursor: pointer;
    font-size: 16px;
    transition: var(--transition);
    min-width: 44px;
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.zoom-btn:hover {
    background: var(--primary-color);
    transform: scale(1.05);
}

.modal-footer {
    padding: 16px 30px;
    background: #f9f9f9;
    border-top: 1px solid var(--border-color);
    text-align: center;
}

.modal-footer p {
    margin: 0;
    font-size: 14px;
    color: var(--text-gray);
    font-style: italic;
}

/* Animações do Modal */
@keyframes modalFadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: scale(0.8) translateY(20px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

/* Responsivo para Modal */
@media (max-width: 768px) {
    .modal-content {
        max-width: 98vw;
        max-height: 98vh;
        margin: 1vh;
    }

    .modal-header {
        padding: 16px 20px;
    }

    .modal-header h3 {
        font-size: 16px;
    }

    .close-modal {
        font-size: 28px;
        width: 36px;
        height: 36px;
    }

    .modal-body {
        max-height: 80vh;
    }

    #modalImage {
        max-height: 80vh;
        width: 100%;
    }

    .image-container {
        min-height: 300px;
        touch-action: pan-x pan-y pinch-zoom;
    }

    .zoom-controls {
        bottom: 10px;
        right: 10px;
        gap: 6px;
        padding: 6px;
    }

    .zoom-btn {
        padding: 10px;
        font-size: 14px;
        min-width: 40px;
        min-height: 40px;
    }

    .modal-footer {
        padding: 12px 20px;
    }

    .modal-footer p {
        font-size: 12px;
    }
}