/* ===========================================
   CONNECTCALLS.AI - FISH.AUDIO INSPIRED
   Fundo Branco | Tipografia Bold | Espaçamento Generoso
   =========================================== */

:root {
    /* Colors - Clean & Modern */
    --color-bg: #ffffff;
    --color-text: #000000;
    --color-text-secondary: #666666;
    --color-text-muted: #999999;
    --color-border: #e5e5e5;
    --color-primary: #0066ff;
    --color-primary-dark: #0052cc;
    --color-accent: #ff3366;
    --color-success: #00cc66;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    --spacing-2xl: 8rem;
    
    /* Typography */
    --font-size-xs: 0.875rem;
    --font-size-sm: 1rem;
    --font-size-base: 1.125rem;
    --font-size-lg: 1.5rem;
    --font-size-xl: 2rem;
    --font-size-2xl: 3rem;
    --font-size-3xl: 4rem;
    --font-size-4xl: 5rem;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.12);
}

/* ===========================================
   RESET & BASE
   =========================================== */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    overflow-x: hidden;
    width: 100%;
    scroll-padding-top: 100px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Inter', 'Segoe UI', 'Roboto', sans-serif;
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
    max-width: 100vw;
    width: 100%;
    position: relative;
}

/* Prevenir overflow horizontal em todos os elementos */
*, *::before, *::after {
    max-width: 100%;
}

/* ===========================================
   TYPOGRAPHY
   =========================================== */

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
    color: var(--color-text);
}

h1 {
    font-size: clamp(2.5rem, 5vw, 5rem);
    font-weight: 800;
}

h2 {
    font-size: clamp(2rem, 4vw, 3.5rem);
    font-weight: 800;
}

h3 {
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 700;
}

p {
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    line-height: 1.8;
}

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

/* ===========================================
   HEADER
   =========================================== */

header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
}

nav {
    max-width: 1600px;
    margin: 0 auto;
    padding: 1.5rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: #1a1a1a;
    text-decoration: none;
    letter-spacing: -0.03em;
}

nav ul {
    display: flex;
    gap: 2.5rem;
    list-style: none;
    align-items: center;
}

nav a {
    color: #666666;
    text-decoration: none;
    font-weight: 500;
    font-size: var(--font-size-sm);
    transition: color 0.2s ease;
}

nav a:hover {
    color: #1a1a1a;
}

.btn-login-nav {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white !important;
    padding: 0.6rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-login-nav:hover {
    color: white !important;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(102, 126, 234, 0.4);
}

.lang-switcher {
    display: flex;
    gap: 0.5rem;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    padding: 0.25rem;
}

.lang-switcher a {
    padding: 0.5rem 1rem;
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 600;
    transition: all 0.2s ease;
}

.lang-switcher a:hover,
.lang-switcher a.active {
    background: var(--color-text);
    color: white;
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--color-text);
}

/* ===========================================
   BUTTONS
   =========================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 2.5rem;
    font-size: var(--font-size-base);
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--radius-full);
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    white-space: nowrap;
}

.btn-primary {
    background: #1a1a1a;
    color: white;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.15);
}

.btn-primary:hover {
    background: #000000;
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.25);
}

.btn-accent {
    background: white;
    color: #1a1a1a;
    border: 2px solid #e5e5e5;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.btn-accent:hover {
    background: #f8f9fa;
    border-color: #1a1a1a;
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1);
}

.btn-outline {
    background: transparent;
    border: 2px solid #e5e5e5;
    color: #1a1a1a;
}

.btn-outline:hover {
    background: #1a1a1a;
    color: white;
    border-color: #1a1a1a;
    transform: translateY(-2px);
}

/* ===========================================
   HERO SECTION
   =========================================== */

.hero {
    min-height: 90vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 10rem 2rem 6rem;
    position: relative;
    background: #ffffff;
}

.hero-connections {
    display: none;
}

.hero-content {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    z-index: 10;
}

.hero-badge {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    background: #f8f9fa;
    border: 1px solid #e5e5e5;
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 600;
    margin-bottom: 2rem;
    color: #666666;
    box-shadow: none;
}

.hero h1 {
    margin-bottom: 1.5rem;
    line-height: 1.1;
}

.hero-subtitle {
    font-size: clamp(1.1rem, 2vw, 1.3rem);
    color: var(--color-text-secondary);
    margin-bottom: 3rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    font-weight: 400;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Hero comparison emojis */
.call-flow span {
    filter: grayscale(100%);
    opacity: 0.6;
    transition: all 0.3s ease;
}

.call-row:hover .call-flow span {
    filter: grayscale(100%);
    opacity: 0.8;
}

/* ===========================================
   SECTIONS
   =========================================== */

section {
    padding: 4rem 0;
    width: 100%;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    width: 100%;
    box-sizing: border-box;
}

@media (max-width: 768px) {
    .container {
        padding: 0 1.5rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.section-header h2 {
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    font-weight: 400;
}

/* ===========================================
   FEATURES GRID
   =========================================== */

.features {
    background: #ffffff;
    position: relative;
    padding: 3.5rem 0;
    overflow: hidden;
}

.features::after {
    content: '';
    position: absolute;
    bottom: -2rem;
    left: 10%;
    right: 10%;
    height: 100px;
    background: radial-gradient(ellipse at center, rgba(102, 126, 234, 0.08) 0%, transparent 70%);
    pointer-events: none;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: var(--spacing-lg);
}

.feature-card {
    background: white;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: 2.5rem;
    transition: all 0.3s ease;
}

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

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    display: inline-block;
    filter: grayscale(100%);
    opacity: 0.6;
    transition: all 0.3s ease;
}

.feature-card:hover .feature-icon {
    filter: grayscale(100%);
    opacity: 0.8;
}

.feature-card h3 {
    margin-bottom: 1rem;
    font-size: var(--font-size-lg);
    color: var(--color-text);
}

.feature-card p {
    color: var(--color-text-secondary);
    line-height: 1.7;
    font-size: var(--font-size-sm);
}

/* ===========================================
   USE CASES SECTION
   =========================================== */

.use-cases {
    background: linear-gradient(180deg, #ffffff 0%, #f9fafb 100%);
    position: relative;
    padding: 3.5rem 0;
}

.use-cases::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, #e5e7eb 20%, #e5e7eb 80%, transparent);
}

/* ===========================================
   BRAZIL SECTION
   =========================================== */

.brazil {
    background: white;
    position: relative;
    padding: 3.5rem 0;
}

.brazil .features-grid {
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    grid-template-columns: repeat(2, 1fr);
}

@media (max-width: 768px) {
    .brazil .features-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
    }
}

/* ===========================================
   API INTEGRATION SECTION
   =========================================== */

.api-integration {
    background: #f9fafb;
    position: relative;
    padding: 3.5rem 0;
}

.wave-separator-top {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    overflow: hidden;
    line-height: 0;
}

.wave-separator-top svg {
    position: relative;
    display: block;
    width: calc(100% + 1.3px);
    height: 60px;
    transform: rotateY(180deg);
}

.wave-separator-top path {
    fill: white;
}

.api-features-modern {
    max-width: 1000px;
    margin: 3rem auto 0;
    background: white;
    border-radius: 20px;
    padding: 2.5rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
}

.api-feature-item {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    padding: 1.5rem 0;
}

.api-icon {
    font-size: 2.5rem;
    flex-shrink: 0;
    width: 70px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea15, #764ba215);
    border-radius: 16px;
    transition: all 0.3s ease;
    filter: grayscale(100%);
    opacity: 0.6;
}

.api-feature-item:hover .api-icon {
    transform: scale(1.1) rotate(5deg);
    background: linear-gradient(135deg, #667eea30, #764ba230);
    filter: grayscale(100%);
    opacity: 0.8;
}

.api-content h4 {
    font-size: 1.25rem;
    font-weight: 700;
    color: #1f2937;
    margin-bottom: 0.5rem;
}

.api-content p {
    font-size: 0.95rem;
    color: #6b7280;
    line-height: 1.6;
    margin: 0;
}

.api-divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, #e5e7eb 20%, #e5e7eb 80%, transparent);
    margin: 0 1.5rem;
}

@media (max-width: 768px) {
    .api-features-modern {
        padding: 1.5rem;
    }
    
    .api-feature-item {
        flex-direction: column;
        align-items: center;
        text-align: center;
        gap: 1rem;
    }
    
    .wave-separator-top svg {
        height: 40px;
    }
}

/* ===========================================
   PLANS SECTION
   =========================================== */

.plans {
    background: linear-gradient(180deg, #ffffff 0%, #f9fafb 50%, #ffffff 100%);
    position: relative;
    padding: 3.5rem 0;
}

.plans-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    margin-top: var(--spacing-lg);
}

.plan-card {
    background: white;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: 2.5rem;
    display: flex;
    flex-direction: column;
    transition: all 0.3s ease;
    position: relative;
}

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

.plan-card.plan-featured {
    border-color: var(--color-primary);
    border-width: 3px;
    background: linear-gradient(180deg, #f0f7ff 0%, #ffffff 100%);
}

.plan-badge {
    position: absolute;
    top: -12px;
    left: 1.5rem;
    background: var(--color-primary);
    color: white;
    padding: 0.5rem 1.5rem;
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.plan-header {
    text-align: center;
    margin-bottom: 2rem;
    flex-shrink: 0;
}

.plan-name {
    font-size: var(--font-size-lg);
    margin-bottom: 1rem;
    color: var(--color-text);
    font-weight: 700;
}

.plan-price {
    font-size: 3rem;
    font-weight: 800;
    color: var(--color-text);
    margin-bottom: 0.5rem;
    letter-spacing: -0.03em;
    line-height: 1.1;
    padding: 0.25rem 0;
}

.plan-price .currency {
    font-size: 1.6rem;
    vertical-align: super;
    font-weight: 700;
}

.plan-price .period {
    font-size: 1rem;
    color: var(--color-text-secondary);
    font-weight: 500;
}

.plan-agents,
.plan-concurrent {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin-top: 0.5rem;
    font-weight: 500;
}

.plan-concurrent {
    color: var(--color-primary);
    font-weight: 600;
}

.plan-card .btn {
    width: 100%;
    margin-top: auto;
}

/* Plan Features Section */
.plan-features-section {
    margin-top: var(--spacing-xl);
    text-align: center;
}

.plan-features-section h3 {
    margin-bottom: 2rem;
    color: var(--color-text);
    font-weight: 600;
    font-size: var(--font-size-lg);
}

.common-features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    margin-top: 2rem;
}

.common-feature {
    background: white;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 2rem 1.5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    text-align: center;
    transition: all 0.3s ease;
}

.common-feature:hover {
    border-color: #666666;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
    transform: translateY(-4px);
}

.common-feature .icon {
    font-size: 2.5rem;
    flex-shrink: 0;
    filter: grayscale(100%);
    opacity: 0.6;
    transition: all 0.3s ease;
}

.common-feature:hover .icon {
    filter: grayscale(100%);
    opacity: 0.8;
}

.common-feature span {
    font-size: var(--font-size-sm);
    color: var(--color-text);
    font-weight: 600;
}

/* Custom Plan CTA */
.custom-plan-cta {
    margin-top: 4rem;
    padding: 3rem;
    background: #1a1a1a;
    border-radius: 24px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.custom-plan-cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 30% 50%, rgba(255, 255, 255, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 70% 50%, rgba(255, 255, 255, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.custom-plan-content {
    position: relative;
    z-index: 1;
}

.custom-plan-content h3 {
    color: white;
    font-size: 1.75rem;
    margin-bottom: 1rem;
}

.custom-plan-content p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.custom-plan-content .btn {
    background: white;
    color: #1a1a1a;
    font-weight: 700;
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
}

.custom-plan-content .btn:hover {
    background: #f0f0f0;
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(255, 255, 255, 0.2);
}

/* ===========================================
   FAQ SECTION
   =========================================== */

.faq {
    background: linear-gradient(135deg, #f9fafb 0%, #ffffff 50%, #f9fafb 100%);
    position: relative;
    padding: 3.5rem 0;
}

.faq::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    width: 100%;
    height: 300px;
    transform: translateY(-50%);
    background: radial-gradient(ellipse at center, rgba(102, 126, 234, 0.05) 0%, transparent 60%);
    pointer-events: none;
    z-index: 0;
}

.faq .container {
    position: relative;
    z-index: 1;
}

.faq-list {
    max-width: 900px;
    margin: 0 auto;
    display: grid;
    gap: 1.5rem;
}

.faq-item {
    background: white;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 2rem;
    transition: all 0.2s ease;
}

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

.faq-question {
    font-size: var(--font-size-base);
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 1rem;
}

.faq-answer {
    color: var(--color-text-secondary);
    line-height: 1.8;
    font-size: var(--font-size-sm);
}

/* ===========================================
   CONTACT FORM
   =========================================== */

.contact {
    background: #ffffff;
    position: relative;
    padding: 3.5rem 0;
}

.contact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, 
        transparent 0%, 
        rgba(102, 126, 234, 0.1) 10%,
        rgba(102, 126, 234, 0.3) 30%,
        rgba(118, 75, 162, 0.3) 70%,
        rgba(118, 75, 162, 0.1) 90%,
        transparent 100%
    );
}

.contact-form {
    max-width: 600px;
    margin: 0 auto;
    background: white;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: 3rem;
    box-shadow: var(--shadow-md);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--color-text);
    font-weight: 600;
    font-size: var(--font-size-sm);
}

.form-group input {
    width: 100%;
    padding: 1rem 1.25rem;
    background: white;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text);
    font-size: var(--font-size-base);
    transition: all 0.2s ease;
    font-family: inherit;
}

.form-group input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(0, 102, 255, 0.1);
}

.contact-form .btn {
    width: 100%;
    margin-top: 1rem;
    padding: 1.25rem 2rem;
}

/* ===========================================
   FOOTER
   =========================================== */

footer {
    background: #f8f9fa;
    border-top: 1px solid var(--color-border);
    padding: 4rem 2rem 2rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2.5rem;
    margin-bottom: 3rem;
    align-items: start;
}

.footer-col h3,
.footer-col h4 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 1rem;
}

.footer-col p {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
}

.footer-col ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-col ul li {
    margin-bottom: 0.5rem;
}

.footer-col ul li a {
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.2s ease;
}

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

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-section h4 {
    font-size: var(--font-size-base);
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 1rem;
}

.footer-section p,
.footer-section a {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    text-decoration: none;
    display: block;
    margin-bottom: 0.5rem;
    transition: color 0.2s ease;
}

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

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

.footer-social a {
    color: var(--color-text);
    text-decoration: none;
    font-size: 0.95rem;
    transition: color 0.2s ease;
}

.footer-social a:hover {
    color: #666666;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--color-border);
}

.footer-bottom p {
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
    margin-bottom: 0.5rem;
    white-space: nowrap;
}

@media (max-width: 768px) {
    .footer-bottom p {
        white-space: normal;
        font-size: 0.85rem;
    }
}

@media (max-width: 480px) {
    .footer-bottom p {
        font-size: 0.8rem;
        line-height: 1.4;
    }
}

.footer-bottom a {
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: color 0.2s ease;
}

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

/* ===========================================
   RESPONSIVE
   =========================================== */

@media (max-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .common-features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 900px) {
    .plans-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
    
    .plan-card {
        padding: 2rem 1.5rem;
    }
    
    .plan-price {
        font-size: 2.5rem;
    }
    
    .plan-price .currency {
        font-size: 1.4rem;
    }
}

@media (max-width: 900px) {
    /* Grid de Planos - Tablet */
    .plans-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
    
    .plan-card {
        padding: 2rem 1.5rem;
    }
}

@media (max-width: 768px) {
    /* Grid de Planos - Mobile */
    .plans-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    /* Navegação Mobile */
    nav {
        padding: 1rem 1.5rem;
    }
    
    nav ul {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: #ffffff !important;
        flex-direction: column;
        gap: 0;
        padding: 1rem 0;
        box-shadow: 0 4px 12px rgba(0,0,0,0.15);
        border-top: 1px solid #e5e5e5;
    }
    
    nav ul.active {
        display: flex;
    }
    
    nav ul li {
        width: 100%;
        text-align: center;
        padding: 1rem 0;
        background: #ffffff !important;
    }
    
    nav ul li a {
        color: #1a1a1a !important;
        display: block;
        width: 100%;
        padding: 0.5rem 1rem;
    }
    
    nav ul li a:hover {
        background: #f3f4f6 !important;
        color: #667eea !important;
    }
    
    .mobile-menu-toggle {
        display: block;
        padding: 0.5rem;
    }
    
    /* Hero */
    .hero {
        padding: 5rem 1.5rem 3rem;
        min-height: auto;
    }
    
    .hero-badge-top {
        margin-bottom: 1.5rem;
    }
    
    .hero-cta {
        flex-direction: column;
        width: 100%;
    }
    
    .hero-cta .btn {
        width: 100%;
        text-align: center;
    }
    
    /* Grids */
    .plans-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .common-features-grid {
        grid-template-columns: 1fr;
    }
    
    /* Seções */
    section {
        padding: 2rem 1.5rem !important;
    }
    
    .section-header {
        margin-bottom: 2.5rem !important;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .section-subtitle {
        font-size: 1rem;
    }
    
    /* Planos */
    .plan-card {
        padding: 1.5rem 1.25rem;
    }
    
    .plan-header {
        margin-bottom: 1.5rem;
    }
    
    .plan-price {
        font-size: 2.5rem !important;
    }
    
    /* Formulários */
    .contact-form {
        padding: 1.5rem;
    }
    
    .form-group {
        margin-bottom: 1rem;
    }
    
    /* Footer */
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
        padding: 0 1rem;
    }
    
    .footer-section {
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    
    .footer-section h4 {
        font-size: 1rem;
        margin-bottom: 0.75rem;
    }
    
    .footer-section p,
    .footer-section a {
        font-size: 0.9rem;
        margin-bottom: 0.4rem;
    }
    
    .footer-social {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .footer-bottom {
        padding: 1.5rem 1rem;
    }
    
    .footer-bottom p {
        font-size: 0.85rem;
        line-height: 1.5;
        margin-bottom: 0.5rem;
    }
    
    /* Wave Separators */
    .wave-separator-top svg {
        height: 40px;
    }
    
    /* Container */
    .container {
        padding: 0 1rem;
        max-width: 100%;
    }
}

@media (max-width: 480px) {
    /* Typography */
    h1 {
        font-size: 1.75rem !important;
        line-height: 1.3 !important;
    }
    
    h2 {
        font-size: 1.5rem !important;
        line-height: 1.3 !important;
    }
    
    h3 {
        font-size: 1.25rem !important;
    }
    
    p {
        font-size: 0.95rem;
    }
    
    /* Navegação */
    nav {
        padding: 0.75rem 1rem;
    }
    
    .logo {
        font-size: 1.25rem;
    }
    
    /* Hero */
    .hero {
        padding: 4.5rem 1rem 2rem;
    }
    
    .hero-badge-top {
        font-size: 0.75rem;
        padding: 0.5rem 1rem;
        margin-bottom: 1rem;
    }
    
    .hero-grid {
        gap: 1.5rem;
    }
    
    /* Botões */
    .btn {
        font-size: 0.95rem;
        padding: 0.875rem 1.5rem;
    }
    
    .btn-hero-primary {
        font-size: 1rem;
        padding: 1rem 2rem;
    }
    
    /* Planos */
    .plan-card {
        padding: 1.25rem 1rem;
    }
    
    .plan-header {
        margin-bottom: 1rem;
    }
    
    .plan-price {
        font-size: 2rem !important;
        margin-bottom: 0.5rem;
    }
    
    .plan-name {
        font-size: 1.15rem;
        margin-bottom: 0.5rem;
    }
    
    .common-features-grid {
        gap: 1rem;
    }
    
    .common-feature {
        padding: 0.75rem;
    }
    
    /* Seções */
    section {
        padding: 1.5rem 1rem !important;
    }
    
    .section-header {
        margin-bottom: 1.5rem !important;
    }
    
    /* Container */
    .container {
        padding: 0 0.75rem;
    }
    
    /* Feature Cards */
    .feature-card {
        padding: 1.25rem 1rem;
        margin-bottom: 0;
    }
    
    .feature-icon {
        font-size: 2rem;
        width: 60px;
        height: 60px;
        margin-bottom: 0.75rem;
    }
    
    .feature-card h3 {
        margin-bottom: 0.5rem;
        font-size: 1.1rem;
    }
    
    .feature-card p {
        font-size: 0.9rem;
        margin-bottom: 0;
    }
    
    /* FAQ */
    .faq-item {
        padding: 1rem;
    }
    
    .faq-question {
        font-size: 1rem;
        padding: 1rem;
    }
    
    .faq-answer {
        font-size: 0.9rem;
        padding: 1rem;
    }
    
    /* Footer */
    footer {
        padding: 2rem 1rem;
    }
    
    .footer-content {
        gap: 1.5rem;
        padding: 0 0.5rem;
    }
    
    .footer-section h4 {
        font-size: 1rem;
        margin-bottom: 0.5rem;
    }
    
    .footer-section p,
    .footer-section a {
        font-size: 0.85rem;
        margin-bottom: 0.3rem;
    }
    
    .footer-social a {
        font-size: 0.85rem;
    }
    
    .footer-bottom {
        padding: 1rem 0.5rem;
    }
    
    .footer-bottom p {
        font-size: 0.75rem;
        line-height: 1.6;
    }
}

/* ===========================================
   ANIMATIONS
   =========================================== */

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

/* ===========================================
   SYSTEM STATUS
   =========================================== */

.system-status {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 0.5rem;
    font-size: 0.85rem;
    color: #666;
}

.status-dot {
    width: 8px;
    height: 8px;
    background: #10b981;
    border-radius: 50%;
    display: inline-block;
    animation: pulse 2s ease-in-out infinite;
    transition: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

.status-dot.checking {
    width: 16px;
    height: 16px;
    animation: check-pulse 1s ease-in-out;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
        box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
    }
    50% {
        opacity: 0.8;
        box-shadow: 0 0 0 4px rgba(16, 185, 129, 0);
    }
}

@keyframes check-pulse {
    0% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.8);
    }
    25% {
        transform: scale(1.8);
        box-shadow: 0 0 0 6px rgba(16, 185, 129, 0.4);
    }
    50% {
        transform: scale(2);
        box-shadow: 0 0 0 10px rgba(16, 185, 129, 0);
    }
    75% {
        transform: scale(1.5);
        box-shadow: 0 0 0 6px rgba(16, 185, 129, 0.2);
    }
    100% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(16, 185, 129, 0);
    }
}

/* ===========================================
   UTILITIES
   =========================================== */

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

.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }

.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }
