/* ============================================================
   oi fone — Landing Page Styles
   Design System: Outfit, Purple #6700CF, Clean modern
   ============================================================ */

/* === CUSTOM PROPERTIES === */
:root {
    /* Colors — Brand Purple */
    --c-primary: #6700CF;
    --c-primary-light: #8B3DE8;
    --c-primary-dark: #5200A3;
    --c-primary-50: #F5F0FF;
    --c-primary-100: #E8D5FF;
    --c-accent: #FF820F;
    --c-accent-light: #FFA04D;
    --c-indigo: #063DFE;
    --c-pink: #EC4899;
    --c-green: #24C87F;

    --c-text: #0F172A;
    --c-text-secondary: #475569;
    --c-text-muted: #94A3B8;
    --c-bg: #FFFFFF;
    --c-bg-alt: #F8FAFC;
    --c-bg-dark: #0D0A1E;
    --c-border: #E2E8F0;
    --c-border-light: #F1F5F9;

    /* Typography */
    --font: 'Outfit', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --fs-xs: 0.75rem;
    --fs-sm: 0.875rem;
    --fs-base: 1rem;
    --fs-lg: 1.125rem;
    --fs-xl: 1.25rem;
    --fs-2xl: 1.5rem;
    --fs-3xl: 1.875rem;
    --fs-4xl: 2.25rem;
    --fs-5xl: 3rem;
    --fs-6xl: 3.75rem;

    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow: 0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1), 0 10px 10px -5px rgba(0,0,0,0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0,0,0,0.25);
    --shadow-glow: 0 0 40px rgba(103,0,207,0.20);
    --shadow-glow-accent: 0 0 40px rgba(255,130,15,0.15);

    /* Radii */
    --radius-sm: 0.375rem;
    --radius: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.25rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;

    /* Transitions */
    --transition: 200ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);

    /* Container */
    --container: 1200px;
}

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font);
    font-size: var(--fs-base);
    line-height: 1.6;
    color: var(--c-text);
    background: var(--c-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

img, svg {
    display: block;
    max-width: 100%;
}

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

button {
    background: none;
    border: none;
    cursor: pointer;
    font: inherit;
    color: inherit;
}

ul, ol {
    list-style: none;
}

h1, h2, h3, h4 {
    line-height: 1.2;
    font-weight: 700;
}

/* === UTILITIES === */
.container {
    width: 100%;
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 var(--space-6);
}

.gradient-text {
    background: linear-gradient(135deg, #C772FF 0%, var(--c-primary) 50%, var(--c-indigo) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.check {
    color: var(--c-primary);
    font-weight: 700;
    font-size: 1.1em;
}

.cross {
    color: #EF4444;
    font-weight: 700;
    font-size: 1.1em;
}

/* === ANIMATIONS === */
.fade-in {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
    .fade-in {
        opacity: 1;
        transform: none;
        transition: none;
    }
}

/* === NAVBAR === */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: var(--space-4) 0;
    transition: background var(--transition), box-shadow var(--transition), padding var(--transition);
}

.navbar.scrolled {
    background: rgba(255,255,255,0.92);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    box-shadow: var(--shadow);
    padding: var(--space-3) 0;
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-8);
}

.nav-logo {
    display: flex;
    align-items: center;
}

.nav-logo img {
    height: 36px;
    width: auto;
}

.logo-oi {
    color: var(--c-primary);
}

.logo-fone {
    color: var(--c-text);
}

.navbar.scrolled .logo-fone {
    color: var(--c-text);
}

.nav-links {
    display: flex;
    gap: var(--space-8);
}

.nav-links a {
    font-size: var(--fs-sm);
    font-weight: 500;
    color: var(--c-text-secondary);
    transition: color var(--transition);
    position: relative;
}

.nav-links a:hover {
    color: var(--c-primary);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--c-primary);
    border-radius: 1px;
    transition: width var(--transition);
}

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    width: 24px;
    padding: 2px 0;
}

.nav-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--c-text);
    border-radius: 1px;
    transition: var(--transition);
}

/* === BUTTONS === */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    font-weight: 600;
    font-size: var(--fs-sm);
    border-radius: var(--radius-md);
    padding: 10px 20px;
    transition: all var(--transition);
    white-space: nowrap;
    cursor: pointer;
    border: 2px solid transparent;
}

.btn-sm {
    padding: 8px 16px;
    font-size: var(--fs-xs);
    border-radius: var(--radius);
}

.btn-lg {
    padding: 14px 28px;
    font-size: var(--fs-base);
    border-radius: var(--radius-lg);
}

.btn-block {
    width: 100%;
}

.btn-primary {
    background: linear-gradient(135deg, #8B3DE8 0%, var(--c-primary) 100%);
    color: white;
    box-shadow: 0 4px 20px rgba(103,0,207,0.40);
}

.btn-primary:hover {
    background: linear-gradient(135deg, #9B50F0 0%, #7B10D8 100%);
    transform: translateY(-1px);
    box-shadow: 0 6px 24px rgba(103,0,207,0.50);
}

.btn-outline {
    border-color: var(--c-border);
    color: var(--c-text);
    background: white;
}

.btn-outline:hover {
    border-color: var(--c-primary);
    color: var(--c-primary);
    background: var(--c-primary-50);
}

.btn-white {
    background: white;
    color: var(--c-bg-dark);
    box-shadow: 0 4px 14px rgba(0,0,0,0.15);
}

.btn-white:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.2);
}

.btn-outline-white {
    border-color: rgba(255,255,255,0.3);
    color: white;
}

.btn-outline-white:hover {
    background: rgba(255,255,255,0.1);
    border-color: rgba(255,255,255,0.5);
}

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

.hero-bg-gradient {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 20% 50%, rgba(103,0,207,0.10) 0%, transparent 60%),
        radial-gradient(ellipse at 80% 30%, rgba(199,114,255,0.07) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 80%, rgba(6,61,254,0.05) 0%, transparent 50%);
    z-index: -1;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
    align-items: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    background: var(--c-primary-50);
    border: 1px solid var(--c-primary-100);
    color: var(--c-primary-dark);
    padding: 6px 16px;
    border-radius: var(--radius-full);
    font-size: var(--fs-sm);
    font-weight: 600;
    margin-bottom: var(--space-6);
}

.hero-title {
    font-size: clamp(2.25rem, 5vw, 3.75rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1.1;
    margin-bottom: var(--space-6);
    color: var(--c-text);
}

.hero-subtitle {
    font-size: var(--fs-lg);
    color: var(--c-text-secondary);
    line-height: 1.7;
    max-width: 520px;
    margin-bottom: var(--space-8);
}

.hero-ctas {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-4);
    margin-bottom: var(--space-10);
}

.hero-proof {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: var(--fs-sm);
    color: var(--c-text-secondary);
}

.hero-avatars {
    display: flex;
}

.avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    font-size: 12px;
    margin-right: -8px;
    border: 2px solid white;
}

.avatar:last-child {
    margin-right: 0;
}

/* Hero Visual / Mockup */
.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
}

.hero-mockup {
    position: relative;
}

.mockup-device {
    width: 280px;
    background: white;
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-2xl), 0 0 60px rgba(103,0,207,0.20);
    overflow: hidden;
    border: 1px solid var(--c-border-light);
}

.mockup-screen {
    padding: var(--space-6);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.mockup-header {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin-bottom: var(--space-6);
    font-weight: 700;
    font-size: var(--fs-sm);
    color: var(--c-primary);
}

.mockup-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--c-primary);
}

.mockup-qr {
    width: 180px;
    height: 180px;
    margin-bottom: var(--space-4);
}

.qr-icon {
    width: 100%;
    height: 100%;
}

.mockup-text {
    font-size: var(--fs-sm);
    color: var(--c-text-secondary);
    font-weight: 500;
    margin-bottom: var(--space-2);
}

.mockup-timer {
    font-size: var(--fs-2xl);
    font-weight: 800;
    color: var(--c-primary);
    font-variant-numeric: tabular-nums;
}

/* Floating Cards */
.float-card {
    position: absolute;
    display: flex;
    align-items: center;
    gap: var(--space-3);
    background: white;
    padding: 10px 16px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    font-size: var(--fs-xs);
    font-weight: 600;
    white-space: nowrap;
    animation: float 4s ease-in-out infinite;
    border: 1px solid var(--c-border-light);
}

.float-card-1 {
    top: 20%;
    right: -20px;
    animation-delay: 0s;
}

.float-card-2 {
    top: 50%;
    left: -40px;
    animation-delay: -1.3s;
}

.float-card-3 {
    bottom: 15%;
    right: -10px;
    animation-delay: -2.6s;
}

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

/* === TRUST BAR === */
.trust-bar {
    padding: var(--space-10) 0;
    border-bottom: 1px solid var(--c-border-light);
}

.trust-label {
    text-align: center;
    font-size: var(--fs-sm);
    color: var(--c-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 500;
    margin-bottom: var(--space-6);
}

.trust-logos {
    display: flex;
    justify-content: center;
    gap: var(--space-12);
    flex-wrap: wrap;
}

.trust-logos span {
    font-size: var(--fs-lg);
    font-weight: 700;
    color: var(--c-text-muted);
    opacity: 0.5;
    letter-spacing: -0.01em;
}

/* === SECTIONS === */
.section {
    padding: var(--space-24) 0;
}

.section-alt {
    background: var(--c-bg-alt);
}

.section-header {
    text-align: center;
    max-width: 640px;
    margin: 0 auto var(--space-16);
}

.section-tag {
    display: inline-block;
    font-size: var(--fs-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--c-primary);
    background: var(--c-primary-50);
    border: 1px solid var(--c-primary-100);
    padding: 4px 12px;
    border-radius: var(--radius-full);
    margin-bottom: var(--space-4);
}

.section-header h2 {
    font-size: clamp(1.875rem, 4vw, 2.75rem);
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: var(--space-4);
    color: var(--c-text);
}

.section-header p {
    font-size: var(--fs-lg);
    color: var(--c-text-secondary);
}

/* === STEPS (COMO FUNCIONA) === */
.steps-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-8);
}

.step-card {
    text-align: center;
    padding: var(--space-8) var(--space-6);
    border-radius: var(--radius-xl);
    background: white;
    border: 1px solid var(--c-border-light);
    transition: all var(--transition);
    position: relative;
}

.step-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--c-primary-100);
}

.step-number {
    position: absolute;
    top: 12px;
    right: 16px;
    font-size: var(--fs-3xl);
    font-weight: 900;
    color: var(--c-primary);
    opacity: 0.1;
}

.step-icon {
    display: flex;
    justify-content: center;
    margin-bottom: var(--space-5);
    color: var(--c-primary);
}

.step-card h3 {
    font-size: var(--fs-lg);
    font-weight: 700;
    margin-bottom: var(--space-3);
}

.step-card p {
    font-size: var(--fs-sm);
    color: var(--c-text-secondary);
    line-height: 1.6;
}

/* === BENEFITS === */
.benefits-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
}

.benefit-card {
    padding: var(--space-8);
    border-radius: var(--radius-xl);
    background: white;
    border: 1px solid var(--c-border-light);
    transition: all var(--transition);
}

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

.benefit-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-5);
}

.benefit-icon-1 { background: var(--c-primary-50); color: var(--c-primary); }
.benefit-icon-2 { background: #FFF3E8; color: var(--c-accent); }
.benefit-icon-3 { background: #EBECFE; color: var(--c-indigo); }
.benefit-icon-4 { background: #E8F8F3; color: var(--c-green); }
.benefit-icon-5 { background: #FDF2F8; color: var(--c-pink); }
.benefit-icon-6 { background: #FFF3E8; color: var(--c-accent); }

.benefit-card h3 {
    font-size: var(--fs-lg);
    font-weight: 700;
    margin-bottom: var(--space-3);
}

.benefit-card p {
    font-size: var(--fs-sm);
    color: var(--c-text-secondary);
    line-height: 1.6;
}

/* === NUMBERS === */
.section-numbers {
    background: var(--c-bg-dark);
    padding: var(--space-20) 0;
}

.numbers-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-8);
    text-align: center;
}

.number-card {
    color: white;
}

.number-value {
    font-size: clamp(2.5rem, 5vw, 3.75rem);
    font-weight: 900;
    letter-spacing: -0.03em;
    line-height: 1;
    display: inline;
    color: var(--c-primary-light);
}

.number-suffix {
    font-size: clamp(1.5rem, 3vw, 2.25rem);
    font-weight: 700;
    color: var(--c-primary-light);
    display: inline;
}

.number-label {
    font-size: var(--fs-sm);
    color: rgba(255,255,255,0.6);
    margin-top: var(--space-2);
    font-weight: 500;
}

/* === COMPARE TABLE === */
.table-wrapper {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    border-radius: var(--radius-xl);
    border: 1px solid var(--c-border-light);
    background: white;
}

.compare-table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--fs-sm);
    min-width: 600px;
}

.compare-table th,
.compare-table td {
    padding: var(--space-4) var(--space-5);
    text-align: left;
    border-bottom: 1px solid var(--c-border-light);
}

.compare-table thead th {
    font-weight: 700;
    font-size: var(--fs-xs);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--c-text-muted);
    background: var(--c-bg-alt);
}

.compare-table tbody tr:last-child td {
    border-bottom: none;
}

.compare-table tbody tr:hover {
    background: var(--c-bg-alt);
}

.highlight-col {
    background: var(--c-primary-50) !important;
    border-left: 2px solid var(--c-primary);
    border-right: 2px solid var(--c-primary);
}

thead .highlight-col {
    background: var(--c-primary) !important;
    color: white !important;
    font-weight: 800 !important;
    font-size: var(--fs-sm) !important;
    text-transform: none !important;
    letter-spacing: normal !important;
    border-radius: var(--radius) var(--radius) 0 0;
}

.table-note {
    font-size: var(--fs-xs);
    color: var(--c-text-muted);
    padding: var(--space-4) var(--space-5);
    font-style: italic;
}

/* === PERSONAS === */
.personas-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-6);
}

.persona-card {
    text-align: center;
    padding: var(--space-8) var(--space-6);
    border-radius: var(--radius-xl);
    background: white;
    border: 1px solid var(--c-border-light);
    transition: all var(--transition);
}

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

.persona-emoji {
    font-size: 3rem;
    margin-bottom: var(--space-4);
}

.persona-img {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    object-fit: cover;
    object-position: top;
    margin-bottom: var(--space-4);
    border: 3px solid var(--c-primary-100);
}

.persona-card h3 {
    font-size: var(--fs-lg);
    font-weight: 700;
    margin-bottom: var(--space-3);
}

.persona-card p {
    font-size: var(--fs-sm);
    color: var(--c-text-secondary);
    line-height: 1.6;
}

/* === TESTIMONIAL === */
.section-testimonial {
    background: var(--c-bg-alt);
    padding: var(--space-20) 0;
}

.testimonial-card {
    max-width: 720px;
    margin: 0 auto;
    text-align: center;
    position: relative;
}

.quote-icon {
    margin: 0 auto var(--space-6);
    color: var(--c-primary);
}

blockquote {
    font-size: clamp(1.125rem, 2.5vw, 1.5rem);
    font-weight: 500;
    line-height: 1.6;
    color: var(--c-text);
    margin-bottom: var(--space-8);
}

.testimonial-author {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-4);
}

.author-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--c-primary);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: var(--fs-sm);
}

.testimonial-author strong {
    display: block;
    font-size: var(--fs-base);
}

.testimonial-author span {
    font-size: var(--fs-sm);
    color: var(--c-text-muted);
}

/* === PRICING === */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-8);
    align-items: start;
}

.pricing-card {
    padding: var(--space-8);
    border-radius: var(--radius-xl);
    background: white;
    border: 1px solid var(--c-border-light);
    position: relative;
    transition: all var(--transition);
}

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

.pricing-pro {
    border-color: var(--c-primary);
    box-shadow: var(--shadow-glow), var(--shadow-lg);
    transform: scale(1.05);
}

.pricing-pro:hover {
    transform: scale(1.05) translateY(-4px);
}

.pricing-badge {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--c-primary);
    color: white;
    font-size: var(--fs-xs);
    font-weight: 700;
    padding: 6px 16px;
    border-radius: var(--radius-full);
    white-space: nowrap;
}

.pricing-name {
    font-size: var(--fs-lg);
    font-weight: 700;
    margin-bottom: var(--space-4);
    color: var(--c-text-secondary);
}

.pricing-price {
    margin-bottom: var(--space-6);
    display: flex;
    align-items: baseline;
    gap: 2px;
}

.pricing-currency {
    font-size: var(--fs-xl);
    font-weight: 600;
    color: var(--c-text-secondary);
}

.pricing-amount {
    font-size: var(--fs-5xl);
    font-weight: 900;
    letter-spacing: -0.03em;
    color: var(--c-text);
    line-height: 1;
}

.pricing-period {
    font-size: var(--fs-base);
    color: var(--c-text-muted);
    font-weight: 500;
}

.pricing-features {
    margin-bottom: var(--space-8);
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.pricing-features li {
    font-size: var(--fs-sm);
    display: flex;
    align-items: center;
    gap: var(--space-2);
    color: var(--c-text-secondary);
}

.pricing-features .check {
    font-size: var(--fs-base);
}

.pricing-note {
    text-align: center;
    font-size: var(--fs-xs);
    color: var(--c-text-muted);
    margin-top: var(--space-3);
}

/* === FAQ === */
.faq-list {
    max-width: 720px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.faq-item {
    border: 1px solid var(--c-border-light);
    border-radius: var(--radius-lg);
    background: white;
    overflow: hidden;
    transition: border-color var(--transition);
}

.faq-item.active {
    border-color: var(--c-primary-100);
}

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-5) var(--space-6);
    font-size: var(--fs-base);
    font-weight: 600;
    text-align: left;
    color: var(--c-text);
    transition: color var(--transition);
}

.faq-question:hover {
    color: var(--c-primary);
}

.faq-chevron {
    flex-shrink: 0;
    transition: transform var(--transition);
    color: var(--c-text-muted);
}

.faq-item.active .faq-chevron {
    transform: rotate(180deg);
    color: var(--c-primary);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.faq-item.active .faq-answer {
    max-height: 300px;
}

.faq-answer p {
    padding: 0 var(--space-6) var(--space-5);
    font-size: var(--fs-sm);
    color: var(--c-text-secondary);
    line-height: 1.7;
}

/* === CTA SECTION === */
.section-cta {
    background: var(--c-bg-dark);
    padding: var(--space-24) 0;
    position: relative;
    overflow: hidden;
}

.section-cta::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 30% 50%, rgba(103,0,207,0.20) 0%, transparent 60%),
        radial-gradient(ellipse at 70% 30%, rgba(199,114,255,0.10) 0%, transparent 50%);
}

.cta-content {
    position: relative;
    text-align: center;
    max-width: 640px;
    margin: 0 auto;
}

.cta-content h2 {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 800;
    color: white;
    letter-spacing: -0.03em;
    margin-bottom: var(--space-6);
}

.cta-content p {
    font-size: var(--fs-lg);
    color: rgba(255,255,255,0.7);
    margin-bottom: var(--space-10);
    line-height: 1.7;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--space-4);
}

/* === FOOTER === */
.footer {
    background: var(--c-bg-dark);
    border-top: 1px solid rgba(255,255,255,0.08);
    padding: var(--space-16) 0 var(--space-8);
    color: rgba(255,255,255,0.6);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--space-12);
    margin-bottom: var(--space-12);
}

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

.footer-brand .nav-logo {
    margin-bottom: var(--space-4);
}

.footer-brand .logo-fone {
    color: white;
}

.footer-brand p {
    font-size: var(--fs-sm);
    line-height: 1.7;
    margin-bottom: var(--space-6);
}

.footer-social {
    display: flex;
    gap: var(--space-4);
}

.footer-social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: var(--radius);
    background: rgba(255,255,255,0.08);
    color: rgba(255,255,255,0.6);
    transition: all var(--transition);
}

.footer-social a:hover {
    background: var(--c-primary);
    color: white;
}

.footer-links h4 {
    font-size: var(--fs-sm);
    font-weight: 700;
    color: white;
    margin-bottom: var(--space-5);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.footer-links a {
    font-size: var(--fs-sm);
    transition: color var(--transition);
}

.footer-links a:hover {
    color: white;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.08);
    padding-top: var(--space-8);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: var(--fs-xs);
}

/* === RESPONSIVE === */

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

    .hero-subtitle {
        margin-left: auto;
        margin-right: auto;
    }

    .hero-ctas {
        justify-content: center;
    }

    .hero-proof {
        justify-content: center;
    }

    .hero-visual {
        display: none;
    }

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

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

    .numbers-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-10);
    }

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

    .pricing-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin-left: auto;
        margin-right: auto;
    }

    .pricing-pro {
        transform: none;
    }

    .pricing-pro:hover {
        transform: translateY(-4px);
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-8);
    }
}

/* Mobile */
@media (max-width: 640px) {
    :root {
        --space-24: 4rem;
        --space-20: 3.5rem;
        --space-16: 3rem;
    }

    .nav-links {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(255,255,255,0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: var(--space-8);
        z-index: 999;
    }

    .nav-links.open {
        display: flex;
    }

    .nav-links a {
        font-size: var(--fs-xl);
    }

    .nav-toggle {
        display: flex;
        z-index: 1001;
    }

    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }

    .nav-actions .btn {
        display: none;
    }

    .hero {
        padding: 100px 0 60px;
        min-height: auto;
    }

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

    .hero-ctas {
        flex-direction: column;
    }

    .hero-ctas .btn {
        width: 100%;
    }

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

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

    .numbers-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-6);
    }

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

    .trust-logos {
        gap: var(--space-6);
    }

    .trust-logos span {
        font-size: var(--fs-sm);
    }

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

    .footer-bottom {
        flex-direction: column;
        gap: var(--space-2);
        text-align: center;
    }

    .cta-buttons {
        flex-direction: column;
    }
}

/* Large screens */
@media (min-width: 1400px) {
    :root {
        --container: 1320px;
    }
}

/* Hero app image */
.hero-app-img {
    width: 100%;
    max-width: 420px;
    -webkit-mask-image: linear-gradient(to bottom, black 60%, transparent 100%),
                        linear-gradient(to right, transparent 0%, black 15%);
    -webkit-mask-composite: destination-in;
    mask-image: linear-gradient(to bottom, black 60%, transparent 100%),
                linear-gradient(to right, transparent 0%, black 15%);
    mask-composite: intersect;
}

/* Footer logo */
.footer-brand .nav-logo img {
    height: 32px;
    filter: brightness(0) invert(1);
}

/* Print */
@media print {
    .navbar, .hero-visual, .section-cta, .footer, .float-card {
        display: none;
    }

    .hero {
        min-height: auto;
        padding: 20px 0;
    }

    .section {
        padding: 20px 0;
    }
}