/* ============================================================
   TRAKIVO LANDING PAGE v2 — STYLES
   Design System: HLD Section 20
   Stack: Vanilla CSS, zero frameworks
   ============================================================ */

/* ── CSS Custom Properties (Design Tokens) ── */
:root {
    /* Primary — Turquesa (60%) */
    --primary-lightest: #e6f9f7;
    --primary-lighter: #8ce5de;
    --primary-light: #5eddd4;
    --primary-color: #31D0C6;
    --primary-dark: #28b3aa;
    --primary-darker: #229089;

    /* Secondary — Verde (30%) */
    --secondary-lightest: #D1FAE5;
    --secondary-lighter: #6EE7B7;
    --secondary-light: #34D399;
    --secondary-color: #10B981;
    --secondary-dark: #059669;
    --secondary-darker: #047857;

    /* Semantic — States (10%) */
    --success: #10B981;
    --success-dark: #059669;
    --success-light: #34D399;
    --success-bg: #D1FAE5;
    --warning: #F59E0B;
    --warning-dark: #D97706;
    --warning-light: #FBBF24;
    --warning-bg: #FEF3C7;
    --error: #EF4444;
    --error-dark: #DC2626;
    --error-light: #F87171;
    --error-bg: #FEE2E2;
    --info: #3B82F6;
    --info-dark: #2563EB;
    --info-light: #60A5FA;
    --info-bg: #DBEAFE;

    /* Neutrals — Gray Scale */
    --gray-50: #F9FAFB;
    --gray-100: #F3F4F6;
    --gray-200: #E5E7EB;
    --gray-300: #D1D5DB;
    --gray-400: #9CA3AF;
    --gray-500: #6B7280;
    --gray-600: #4B5563;
    --gray-700: #374151;
    --gray-800: #1F2937;
    --gray-900: #111827;

    /* Text */
    --text-primary: #111827;
    --text-secondary: #4B5563;
    --text-tertiary: #6B7280;
    --text-disabled: #9CA3AF;
    --text-inverse: #ffffff;

    /* Backgrounds */
    --bg-primary: #FFFFFF;
    --bg-secondary: #F9FAFB;
    --bg-tertiary: #F3F4F6;
    --bg-hover: #F0FDFC;
    --bg-active: #CCFBF1;
    --bg-overlay: rgba(0, 0, 0, 0.6);

    /* Borders */
    --border-primary: #E5E7EB;
    --border-secondary: #D1D5DB;
    --border-focus: var(--primary-color);
    --border-error: var(--error);

    /* Section Gradients */
    --bg-hero: linear-gradient(135deg, #8CE5DE 0%, #FFFFFF 50%, #D1FAE5 100%);
    --bg-section-alt: linear-gradient(180deg, #FFFFFF 0%, #F0FDFC 100%);
    --bg-section-alt2: linear-gradient(180deg, #FFFFFF 0%, #F0FDFC 50%, #D1FAE5 100%);
    --bg-proof: linear-gradient(135deg, #D1FAE5 0%, #FFFFFF 50%, #E6F9F7 100%);
    --bg-waitlist: linear-gradient(135deg, #31D0C6 0%, #229089 100%);
    --bg-footer: linear-gradient(180deg, #1F2937 0%, #111827 100%);

    /* CTA Gradients */
    --gradient-primary: linear-gradient(135deg, #28b3aa, #229089);
    --gradient-secondary: linear-gradient(135deg, #10B981, #059669);
    --gradient-footer-cta: linear-gradient(135deg, #31D0C6, #10B981);

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
    --font-brand: 'Questrial', 'Inter', sans-serif;
    --font-size-base: 16px;
    --line-height-base: 1.6;

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.1);
    --shadow-primary: 0 4px 15px rgba(49, 208, 198, 0.3);
    --shadow-primary-hover: 0 6px 20px rgba(49, 208, 198, 0.4);
    --shadow-secondary: 0 4px 15px rgba(16, 185, 129, 0.3);

    /* Transitions */
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s ease;

    /* Layout */
    --container-max-width: 1400px;
    --section-padding: 80px 32px;
    --border-radius-sm: 8px;
    --border-radius-md: 12px;
    --border-radius-lg: 16px;
    --border-radius-xl: 20px;

    /* Patterns */
    --pattern-dots: radial-gradient(circle, rgba(49, 208, 198, 0.05) 1px, transparent 1px);
}

/* ── Reset & Base ── */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: var(--font-size-base);
    line-height: var(--line-height-base);
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-primary);
    color: var(--text-primary);
    background-color: var(--bg-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

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

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

ul, ol {
    list-style: none;
}

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

input {
    font-family: inherit;
    font-size: inherit;
}

/* Screen reader only */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Honeypot field — invisible to humans */
.hp-field {
    position: absolute;
    left: -9999px;
    top: -9999px;
    opacity: 0;
    pointer-events: none;
}

/* ── Container ── */
.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 40px;
}

/* ── Typography ── */
h1, h2, h3, h4 {
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
}

h2 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
}

h3 {
    font-size: clamp(1.25rem, 3vw, 1.5rem);
    font-weight: 600;
    letter-spacing: -0.01em;
}

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

/* ── Section Defaults ── */
.section {
    padding: var(--section-padding);
}

.section-header {
    text-align: center;
    max-width: 720px;
    margin: 0 auto 3rem;
}

.section-tag {
    display: inline-block;
    background: var(--gradient-primary);
    color: var(--text-inverse);
    font-family: var(--font-brand);
    font-size: 0.875rem;
    font-weight: 700;
    padding: 0.5rem 1.5rem;
    border-radius: 20px;
    margin-bottom: 1rem;
    letter-spacing: 0.5px;
}

.section-subtitle {
    color: var(--text-secondary);
    font-size: clamp(1rem, 2vw, 1.25rem);
    line-height: 1.7;
    margin-top: 1rem;
}

/* ── Buttons ── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-brand);
    font-size: 1rem;
    font-weight: 400;
    letter-spacing: 0.5px;
    padding: 1rem 2rem;
    border-radius: var(--border-radius-md);
    color: var(--text-inverse);
    transition: var(--transition-smooth);
    white-space: nowrap;
    text-align: center;
}

.btn:hover {
    transform: translateY(-2px);
}

.btn:active {
    transform: translateY(0);
}

.btn:focus-visible {
    outline: 3px solid var(--primary-color);
    outline-offset: 4px;
}

.btn-primary {
    background: var(--gradient-primary);
    box-shadow: var(--shadow-primary);
}

.btn-primary:hover {
    box-shadow: var(--shadow-primary-hover);
}

.btn-large {
    padding: 1.25rem 2.5rem;
    font-size: 1.05rem;
}

.btn-secondary-outline {
    background: transparent;
    color: var(--primary-dark);
    border: 2px solid var(--primary-dark);
}

.btn-secondary-outline:hover {
    background: var(--primary-lightest);
    box-shadow: var(--shadow-primary);
}

.btn-waitlist {
    background: var(--gradient-footer-cta);
    box-shadow: var(--shadow-primary);
}

.btn-waitlist:hover {
    box-shadow: var(--shadow-primary-hover);
}

/* ── Navigation ── */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-primary);
    transition: var(--transition-smooth);
}

.nav-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 40px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

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

.nav-menu {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--text-secondary);
    letter-spacing: 0.01em;
    transition: var(--transition-fast);
}

.nav-link:hover {
    color: var(--primary-dark);
}

.nav-cta {
    font-family: var(--font-brand);
    font-size: 0.9375rem;
    font-weight: 400;
    letter-spacing: 0.5px;
    color: var(--text-inverse);
    background: var(--gray-800);
    padding: 0.6rem 1.5rem;
    border-radius: var(--border-radius-sm);
    transition: var(--transition-smooth);
}

.nav-cta:hover {
    box-shadow: 0 4px 12px rgba(31, 41, 55, 0.3);
}

/* Language Selector */
.lang-selector {
    position: relative;
    margin-left: 0.5rem;
}

.lang-btn {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.4rem 0.75rem;
    border: 1px solid var(--border-primary);
    border-radius: 8px;
    background: var(--bg-primary);
    color: var(--text-secondary);
    font-size: 0.8125rem;
    font-weight: 500;
    cursor: pointer;
    transition: border-color 0.2s ease, color 0.2s ease;
}

.lang-btn:hover {
    border-color: var(--primary-color);
    color: var(--text-primary);
}

.lang-flag {
    width: 20px;
    height: 14px;
    flex-shrink: 0;
    border-radius: 2px;
    overflow: hidden;
    box-shadow: 0 0 0 1px rgba(0,0,0,0.1);
}

.lang-dropdown {
    position: absolute;
    top: calc(100% + 4px);
    right: 0;
    background: var(--bg-primary);
    border: 1px solid var(--border-primary);
    border-radius: 10px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
    min-width: 160px;
    padding: 0.35rem;
    z-index: 100;
}

.lang-option {
    display: block;
    padding: 0.5rem 0.75rem;
    font-size: 0.8125rem;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: 6px;
    transition: background 0.15s ease, color 0.15s ease;
}

.lang-option:hover {
    background: var(--gray-100);
    color: var(--text-primary);
}

.lang-option[aria-current="page"] {
    color: var(--primary-color);
    font-weight: 600;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
    z-index: 1001;
}

.nav-toggle-bar {
    width: 24px;
    height: 2px;
    background: var(--gray-800);
    border-radius: 2px;
    transition: var(--transition-smooth);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2) {
    opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ── Hero ── */
.hero-section {
    background: var(--bg-hero);
    padding: 120px 0 80px;
    min-height: 80vh;
    display: flex;
    align-items: center;
    position: relative;
}

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

.hero-badge {
    display: inline-block;
    background: var(--gradient-primary);
    color: var(--text-inverse);
    font-family: var(--font-brand);
    font-size: 0.875rem;
    font-weight: 700;
    padding: 0.4rem 1.2rem;
    border-radius: 20px;
    margin-bottom: 1.5rem;
}

.hero-headline {
    margin-bottom: 1.5rem;
    color: var(--gray-900);
}

.hero-highlight {
    color: var(--primary-darker);
}

.hero-subheadline {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 2rem;
    max-width: 540px;
}

.hero-form {
    margin-bottom: 1rem;
    max-width: 500px;
}

.hero-form .form-row {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group {
    flex: 1;
    position: relative;
}

.form-group input {
    width: 100%;
    padding: 1rem 1.25rem;
    border: 2px solid var(--border-primary);
    border-radius: 10px;
    font-size: 1rem;
    color: var(--text-primary);
    background: var(--bg-primary);
    transition: var(--transition-smooth);
}

.form-group input::placeholder {
    color: var(--gray-400);
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px var(--primary-lightest);
}

.form-group input.valid {
    border-color: var(--secondary-color);
}

.form-group input.invalid {
    border-color: var(--error);
}

.error-message {
    display: block;
    font-size: 0.8125rem;
    color: var(--error);
    margin-top: 0.125rem;
    min-height: 0;
}

.hero-note {
    font-size: 0.875rem;
    color: var(--text-tertiary);
}

/* Hero Visual — Radar preview scene */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.hero-visual-scene {
    position: relative;
    width: 100%;
    max-width: 440px;
    padding: 2rem 0;
}

/* Glow blurs — continuous breathing */
.hero-glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
    pointer-events: none;
    z-index: 0;
}

.hero-glow-1 {
    width: 260px;
    height: 260px;
    background: var(--primary-lightest);
    opacity: 0.7;
    top: -30px;
    right: -40px;
    animation: glow-drift-1 8s ease-in-out infinite;
}

.hero-glow-2 {
    width: 200px;
    height: 200px;
    background: var(--secondary-lightest);
    opacity: 0.6;
    bottom: -20px;
    left: -30px;
    animation: glow-drift-2 10s ease-in-out infinite;
}

@keyframes glow-drift-1 {
    0%, 100% { transform: translate(0, 0) scale(1); opacity: 0.7; }
    50% { transform: translate(12px, -16px) scale(1.1); opacity: 0.5; }
}

@keyframes glow-drift-2 {
    0%, 100% { transform: translate(0, 0) scale(1); opacity: 0.6; }
    50% { transform: translate(-10px, 12px) scale(1.08); opacity: 0.4; }
}

/* Main Radar card */
.hero-radar-preview {
    position: relative;
    z-index: 2;
    background: var(--bg-primary);
    border: 1px solid var(--border-primary);
    border-radius: 16px;
    padding: 1.5rem;
    width: 100%;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08), 0 2px 8px rgba(0, 0, 0, 0.04);
    animation: hero-radar-appear 0.8s ease-out both,
               hero-card-breathe 6s ease-in-out 1.2s infinite;
}

@keyframes hero-radar-appear {
    from { opacity: 0; transform: translateY(16px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes hero-card-breathe {
    0%, 100% { box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08), 0 2px 8px rgba(0, 0, 0, 0.04); }
    50% { box-shadow: 0 12px 40px rgba(49, 208, 198, 0.12), 0 4px 12px rgba(0, 0, 0, 0.06); }
}

/* Pulse on the "today" dot in hero chart */
.hero-radar-chart circle {
    animation: hero-dot-pulse 2.5s ease-in-out 1.5s infinite;
}

@keyframes hero-dot-pulse {
    0%, 100% { r: 4; }
    50% { r: 6; }
}

/* Floating mini-cards */
.hero-float-card {
    position: absolute;
    z-index: 3;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--bg-primary);
    border: 1px solid var(--border-primary);
    border-radius: 10px;
    padding: 0.5rem 0.75rem;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06), 0 1px 4px rgba(0, 0, 0, 0.03);
    white-space: nowrap;
    transition: opacity 0.3s ease;
}

.hero-float-card svg {
    flex-shrink: 0;
}

.hero-float-card div {
    display: flex;
    flex-direction: column;
}

.hero-float-label {
    font-size: 0.6875rem;
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.3;
}

.hero-float-value {
    font-size: 0.625rem;
    color: var(--text-tertiary);
    line-height: 1.3;
}

.hero-float-budget {
    top: 0;
    left: -24px;
    animation: hero-float-in 0.6s ease-out both,
               hero-hover-1 6s ease-in-out 1.4s infinite;
}

.hero-float-goal {
    bottom: 10px;
    right: -20px;
    animation: hero-float-in 0.6s ease-out both,
               hero-hover-2 7s ease-in-out 1.6s infinite;
}

.hero-float-alert {
    top: 50%;
    right: -36px;
    animation: hero-float-in-alert 0.6s ease-out both,
               hero-hover-3 8s ease-in-out 1.8s infinite;
}

@keyframes hero-float-in {
    from { opacity: 0; transform: translateY(8px) scale(0.95); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes hero-float-in-alert {
    from { opacity: 0; transform: translateY(calc(-50% + 8px)) scale(0.95); }
    to { opacity: 1; transform: translateY(-50%) scale(1); }
}

/* Continuous float after entrance */
@keyframes hero-hover-1 {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(4px, -6px); }
}

@keyframes hero-hover-2 {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(-5px, -4px); }
}

@keyframes hero-hover-3 {
    0%, 100% { transform: translateY(-50%); }
    50% { transform: translateY(calc(-50% - 6px)); }
}

.hero-radar-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.hero-radar-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    background: var(--primary-lightest);
    border-radius: 8px;
    color: var(--primary-color);
    flex-shrink: 0;
}

.hero-radar-title {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
    flex: 1;
}

/* Badge variants */
.hero-radar-badge-ok {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--success);
    background: var(--secondary-lightest);
    padding: 0.2rem 0.6rem 0.2rem 0.5rem;
    border-radius: 10px;
    display: flex;
    align-items: center;
    gap: 0.35rem;
    transition: color 0.3s ease, background 0.3s ease;
}

.hero-radar-badge-ok::before,
.hero-radar-badge-warn::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    flex-shrink: 0;
    animation: badge-pulse 2s ease-in-out infinite;
}

.hero-radar-badge-ok::before {
    background: var(--success);
}

@keyframes badge-pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.4; transform: scale(0.7); }
}

.hero-radar-badge-warn {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--warning);
    background: #FEF3C7;
    padding: 0.2rem 0.6rem 0.2rem 0.5rem;
    border-radius: 10px;
    display: flex;
    align-items: center;
    gap: 0.35rem;
    transition: color 0.3s ease, background 0.3s ease;
}

.hero-radar-badge-warn::before {
    background: var(--warning);
}

/* Smooth transitions for live demo */
.hero-radar-event {
    transition: opacity 0.3s ease;
}

.hero-radar-metric-value {
    transition: opacity 0.3s ease;
}

.hero-radar-metric {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
    margin-bottom: 1rem;
}

.hero-radar-metric-label {
    font-size: 0.8125rem;
    color: var(--text-tertiary);
}

.hero-radar-metric-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.hero-radar-chart {
    width: 100%;
    height: auto;
    margin-bottom: 1rem;
}

.hero-chart-area,
.hero-chart-line,
.hero-chart-projection,
.hero-chart-dot {
    transition: d 0.6s cubic-bezier(0.16, 1, 0.3, 1),
                fill 0.6s ease,
                stroke 0.6s ease,
                cx 0.6s cubic-bezier(0.16, 1, 0.3, 1),
                cy 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.hero-radar-events {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.hero-radar-event {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.8125rem;
    padding: 0.4rem 0;
    border-top: 1px solid var(--border-secondary);
}

.hero-radar-event-date {
    color: var(--text-tertiary);
    font-size: 0.75rem;
    min-width: 48px;
}

.hero-radar-event-desc {
    color: var(--text-secondary);
    flex: 1;
}

.hero-radar-event-val {
    font-weight: 600;
    font-variant-numeric: tabular-nums;
}

.hero-radar-event-val.negative {
    color: var(--error);
}

.hero-radar-event-val.positive {
    color: var(--success);
}

/* Scroll indicator */
.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    color: var(--gray-400);
    animation: bounce 2s ease-in-out infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(8px); }
}

/* ── Radar Financeiro Section ── */
.section-radar {
    background: var(--bg-section-alt2);
}

.radar-demo {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 3rem;
    align-items: start;
    margin-bottom: 4rem;
}

.radar-chart-container {
    background: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    padding: 1.5rem;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-primary);
}

.radar-chart-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.radar-chart-label {
    font-weight: 600;
    color: var(--text-primary);
}

.radar-chart-date {
    display: block;
    font-size: 0.8125rem;
    color: var(--text-tertiary);
    margin-top: 0.2rem;
}

.radar-period-toggle {
    display: flex;
    gap: 0.25rem;
    background: var(--gray-100);
    border-radius: 8px;
    padding: 3px;
}

.period-btn {
    font-size: 0.8125rem;
    font-weight: 500;
    padding: 0.35rem 0.75rem;
    border-radius: 6px;
    color: var(--text-tertiary);
    transition: var(--transition-fast);
}

.period-btn.active {
    background: var(--bg-primary);
    color: var(--primary-dark);
    box-shadow: var(--shadow-sm);
}

.radar-chart-body {
    border-radius: var(--border-radius-sm);
    overflow: hidden;
}

.radar-chart {
    width: 100%;
    height: auto;
}

/* Radar Chart Animations */
.radar-chart-line-actual {
    stroke-dasharray: 500;
    stroke-dashoffset: 500;
}

.radar-chart-line-projection {
    stroke-dasharray: 400;
    stroke-dashoffset: 400;
}

.radar-chart-area {
    opacity: 0;
}

.radar-chart-animated .radar-chart-line-actual {
    animation: drawLine 1s ease-in-out forwards;
}

.radar-chart-animated .radar-chart-line-projection {
    animation: drawLine 0.8s ease-in-out 0.5s forwards;
}

.radar-chart-animated .radar-chart-area {
    animation: fadeInArea 0.6s ease-in-out 0.3s forwards;
}

/* Smooth transitions for period toggle */
.radar-chart-animated .radar-chart-area,
.radar-chart-animated .radar-chart-line-actual,
.radar-chart-animated .radar-chart-line-projection {
    transition: d 0.6s cubic-bezier(0.16, 1, 0.3, 1),
                fill 0.5s ease,
                stroke 0.5s ease;
}

.radar-today-line,
.radar-today-text {
    transition: x 0.4s ease, x1 0.4s ease, x2 0.4s ease;
}

.radar-tooltip {
    transition: transform 0.4s ease;
}

.radar-tooltip-value {
    transition: fill 0.3s ease;
}

@keyframes drawLine {
    to { stroke-dashoffset: 0; }
}

@keyframes fadeInArea {
    to { opacity: 1; }
}

/* Timeline */
.radar-timeline {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.timeline-item {
    display: grid;
    grid-template-columns: 60px 1fr;
    gap: 0.75rem;
    align-items: center;
    padding: 0.75rem;
    background: var(--bg-primary);
    border-radius: var(--border-radius-sm);
    border: 1px solid var(--border-primary);
    position: relative;
}

.timeline-item.timeline-warning {
    border-color: var(--warning-light);
    background: var(--warning-bg);
}

.timeline-date {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--text-tertiary);
}

.timeline-detail {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.timeline-desc {
    font-size: 0.9375rem;
    color: var(--text-primary);
}

.timeline-value {
    font-weight: 600;
    font-size: 0.9375rem;
}

.timeline-value.positive { color: var(--success); }
.timeline-value.negative { color: var(--error); }

.timeline-balance {
    grid-column: 2;
    font-size: 0.8125rem;
    color: var(--text-tertiary);
}

.timeline-balance.positive { color: var(--success); }
.timeline-balance.warning { color: var(--warning-dark); font-weight: 600; }

/* Radar Alert */
.radar-alert {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    background: var(--warning-bg);
    border: 1px solid var(--warning-light);
    border-radius: var(--border-radius-md);
    padding: 1rem 1.25rem;
    margin-top: 1rem;
}

.radar-alert-icon {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--warning);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.875rem;
    flex-shrink: 0;
}

.radar-alert-text {
    font-size: 0.9375rem;
    color: var(--warning-dark);
    line-height: 1.5;
    font-weight: 500;
}

/* Radar States */
.radar-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.radar-feature {
    text-align: center;
    padding: 2rem 1.5rem;
    background: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--border-primary);
    transition: var(--transition-smooth);
}

.radar-feature:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.radar-feature-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
}

.radar-feature-icon svg {
    width: 24px;
    height: 24px;
}

.positive-icon {
    background: var(--success-bg);
    color: var(--success);
}

.warning-icon {
    background: var(--warning-bg);
    color: var(--warning);
}

.risk-icon {
    background: var(--error-bg);
    color: var(--error);
}

.radar-feature h3 {
    margin-bottom: 0.5rem;
}

.radar-feature p {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* ── Personas Section ── */
.section-personas {
    background: var(--bg-primary);
}

.persona-tabs {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 3rem;
    background: var(--gray-100);
    border-radius: var(--border-radius-md);
    padding: 4px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.persona-tab {
    flex: 1;
    font-family: var(--font-brand);
    font-size: 0.9375rem;
    padding: 0.75rem 1.25rem;
    border-radius: 10px;
    color: var(--text-tertiary);
    transition: var(--transition-smooth);
    letter-spacing: 0.3px;
}

.persona-tab.active {
    background: var(--bg-primary);
    color: var(--primary-dark);
    box-shadow: var(--shadow-sm);
    font-weight: 500;
}

.persona-tab:hover:not(.active) {
    color: var(--text-primary);
}

.persona-panel {
    display: none;
}

.persona-panel.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

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

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

.persona-text h3 {
    font-size: clamp(1.25rem, 3vw, 1.75rem);
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.persona-text > p {
    color: var(--text-secondary);
    font-size: 1.0625rem;
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.persona-features {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.persona-features li {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    font-size: 0.9375rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.persona-features li::before {
    content: '\2713';
    color: var(--primary-dark);
    font-weight: 700;
    flex-shrink: 0;
    margin-top: 1px;
}

/* Persona Mockups */
.persona-visual {
    display: flex;
    justify-content: center;
}

.persona-mockup {
    width: 100%;
    max-width: 340px;
}

.persona-screen {
    background: var(--bg-primary);
    border-radius: var(--border-radius-xl);
    padding: 1.5rem;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-primary);
}

.screen-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.25rem;
}

.screen-greeting {
    font-weight: 600;
    font-size: 1.125rem;
    color: var(--text-primary);
}

.screen-workspace {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--primary-dark);
    background: var(--primary-lightest);
    padding: 0.2rem 0.6rem;
    border-radius: 4px;
}

.screen-radar-mini {
    margin-bottom: 1.25rem;
    padding: 1rem;
    background: var(--gray-50);
    border-radius: var(--border-radius-md);
}

.screen-label {
    display: block;
    font-size: 0.75rem;
    color: var(--gray-500);
    margin-bottom: 0.25rem;
}

.screen-date {
    display: block;
    font-size: 1.25rem;
    font-weight: 700;
    line-height: 1.3;
}

.screen-date.positive { color: var(--success); }

.screen-bar {
    height: 4px;
    border-radius: 2px;
    margin-top: 0.5rem;
    background: var(--gray-200);
    position: relative;
    overflow: hidden;
}

.screen-bar::after {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    border-radius: 2px;
}

.positive-bar::after {
    width: 75%;
    background: var(--success);
}

/* Budget rows */
.screen-budget {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.budget-row {
    display: grid;
    grid-template-columns: 100px 1fr 40px;
    gap: 0.5rem;
    align-items: center;
    font-size: 0.8125rem;
}

.budget-row span:first-child {
    color: var(--text-secondary);
    font-weight: 500;
}

.budget-row span:last-child {
    text-align: right;
    font-weight: 600;
    color: var(--text-tertiary);
}

.budget-bar {
    height: 6px;
    background: var(--gray-200);
    border-radius: 3px;
    overflow: hidden;
}

.budget-fill {
    height: 100%;
    background: var(--success);
    border-radius: 3px;
    transition: width 0.5s ease;
}

.warning-fill {
    background: var(--warning);
}

/* Members */
.screen-members {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.member-row {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.6rem;
    background: var(--gray-50);
    border-radius: var(--border-radius-sm);
    font-size: 0.875rem;
}

.member-avatar {
    width: 26px;
    height: 26px;
    border-radius: 50%;
    background: var(--gradient-primary);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.7rem;
    flex-shrink: 0;
}

.member-role {
    font-size: 0.6875rem;
    color: var(--text-tertiary);
}

/* Workspaces */
.screen-workspaces {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.ws-card {
    flex: 1;
    padding: 0.75rem;
    border-radius: var(--border-radius-sm);
    border: 1px solid var(--border-primary);
    text-align: center;
    font-size: 0.8125rem;
    color: var(--text-secondary);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.35rem;
}

.ws-card.ws-active {
    border-color: var(--primary-color);
    background: var(--primary-lightest);
    color: var(--primary-dark);
    font-weight: 500;
}

.ws-icon {
    font-size: 1.25rem;
}

.screen-categories {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
}

.cat-chip {
    font-size: 0.6875rem;
    background: var(--gray-100);
    color: var(--text-tertiary);
    padding: 0.25rem 0.6rem;
    border-radius: 12px;
    font-weight: 500;
}

/* Screen divider */
.screen-divider {
    height: 1px;
    background: var(--border-secondary);
    margin: 0.75rem 0;
}

/* Goal mini */
.screen-goal-mini {
    padding: 0;
}

.goal-header {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    margin-bottom: 0.4rem;
}

.goal-icon {
    font-size: 0.8rem;
    color: var(--primary-color);
}

.goal-name {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-primary);
}

.goal-progress-bar {
    height: 6px;
    background: var(--gray-200);
    border-radius: 3px;
    overflow: hidden;
    margin-bottom: 0.3rem;
}

.goal-progress-fill {
    height: 100%;
    background: var(--primary-color);
    border-radius: 3px;
    transition: width 0.6s ease;
}

.goal-meta {
    display: flex;
    justify-content: space-between;
    font-size: 0.6875rem;
    color: var(--text-tertiary);
}

/* Transactions mini list */
.screen-transactions {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.screen-tx {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.75rem;
}

.tx-icon {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    font-weight: 700;
    flex-shrink: 0;
}

.tx-expense {
    background: #FEE2E2;
    color: var(--error);
}

.tx-income {
    background: var(--secondary-lightest);
    color: var(--success);
}

.tx-desc {
    flex: 1;
    color: var(--text-secondary);
}

.tx-val {
    font-weight: 600;
    font-variant-numeric: tabular-nums;
}

.tx-val.negative { color: var(--error); }
.tx-val.positive { color: var(--success); }

/* Consolidated summary rows */
.screen-consolidated {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.consolidated-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.75rem;
}

.consolidated-label {
    color: var(--text-tertiary);
}

.consolidated-val {
    font-weight: 600;
    font-variant-numeric: tabular-nums;
}

.consolidated-val.positive { color: var(--success); }
.consolidated-val.negative { color: var(--error); }

/* Member rows enhanced */
.member-info {
    display: flex;
    flex-direction: column;
    flex: 1;
    gap: 0.05rem;
}

.member-name {
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--text-primary);
}

.member-balance {
    margin-left: auto;
    font-size: 0.7rem;
    font-weight: 600;
    font-variant-numeric: tabular-nums;
    white-space: nowrap;
}

.member-balance.positive { color: var(--success); }
.member-balance.neutral {
    color: var(--text-tertiary);
    font-weight: 400;
    font-size: 0.6875rem;
}

/* ── How It Works Section ── */
.section-how {
    background: var(--bg-section-alt);
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.step-card {
    background: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    padding: 2rem 1.5rem;
    text-align: center;
    border: 1px solid var(--border-primary);
    transition: var(--transition-smooth);
    position: relative;
}

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

.step-card-highlight {
    border-color: var(--primary-light);
    background: var(--bg-hover);
}

.step-card-highlight .step-number {
    background: var(--gradient-primary);
    color: var(--text-inverse);
}

.step-number {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--gray-100);
    color: var(--primary-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.125rem;
    margin: 0 auto 1rem;
}

.step-card h3 {
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.step-card p {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* Progress dots */
.steps-progress {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
    max-width: 400px;
    margin: 0 auto;
}

.progress-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--gray-300);
    flex-shrink: 0;
}

.progress-dot.active {
    background: var(--primary-color);
}

.progress-dot.highlight {
    background: var(--primary-dark);
    width: 16px;
    height: 16px;
}

.progress-line {
    flex: 1;
    height: 2px;
    background: var(--gray-200);
}

/* ── Planos Section ── */
.section-planos {
    background: var(--bg-primary);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-bottom: 2.5rem;
}

.pricing-card {
    background: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    padding: clamp(2rem, 5vw, 3rem);
    border: 2px solid var(--border-primary);
    transition: var(--transition-smooth);
    display: flex;
    flex-direction: column;
    position: relative;
}

.pricing-card:hover {
    border-color: var(--primary-light);
    box-shadow: var(--shadow-md);
}

.pricing-card-featured {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-primary);
}

.pricing-card-featured:hover {
    box-shadow: var(--shadow-primary-hover);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-primary);
    color: var(--text-inverse);
    font-family: var(--font-brand);
    font-size: 0.8125rem;
    font-weight: 700;
    padding: 0.35rem 1.25rem;
    border-radius: 20px;
    white-space: nowrap;
}

.pricing-header {
    margin-bottom: 1.5rem;
}

.pricing-name {
    font-size: 1.5rem;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.pricing-description {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.pricing-price {
    margin-bottom: 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-primary);
}

.pricing-soon {
    font-size: 1rem;
    color: var(--primary-dark);
    font-weight: 500;
}

.pricing-features {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-bottom: 2rem;
}

.pricing-features li {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    padding-left: 1.5rem;
    position: relative;
    line-height: 1.5;
}

.pricing-features li::before {
    content: '\2713';
    position: absolute;
    left: 0;
    color: var(--primary-dark);
    font-weight: 700;
}

.pricing-features li:first-child::before {
    content: '';
}

.pricing-features li:first-child {
    padding-left: 0;
    font-weight: 600;
    color: var(--text-primary);
}

/* Only the first item (for Pro and Família which say "Tudo do X, mais:") */
.pricing-card:first-child .pricing-features li:first-child::before {
    content: '\2713';
}

.pricing-card:first-child .pricing-features li:first-child {
    padding-left: 1.5rem;
    font-weight: 400;
    color: var(--text-secondary);
}

.feature-highlight {
    font-weight: 600 !important;
    color: var(--primary-dark) !important;
}

.pricing-cta {
    width: 100%;
    margin-top: auto;
}

/* Feature Comparison */
.feature-comparison {
    margin-bottom: 2rem;
    border-radius: var(--border-radius-md);
    border: 1px solid var(--border-primary);
    background: var(--bg-secondary);
}

.feature-comparison summary {
    padding: 1.25rem 1.5rem;
    font-weight: 600;
    cursor: pointer;
    color: var(--text-primary);
    list-style: none;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: var(--transition-smooth);
}

.feature-comparison summary::-webkit-details-marker { display: none; }

.feature-comparison summary::after {
    content: '\25BC';
    font-size: 0.75rem;
    color: var(--text-tertiary);
    transition: var(--transition-smooth);
}

.feature-comparison[open] summary::after {
    transform: rotate(180deg);
}

.feature-comparison[open] summary {
    border-bottom: 1px solid var(--border-primary);
}

.comparison-table-wrapper {
    overflow-x: auto;
    padding: 1rem;
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9375rem;
}

.comparison-table th,
.comparison-table td {
    padding: 0.75rem 1rem;
    text-align: center;
    border-bottom: 1px solid var(--border-primary);
}

.comparison-table th:first-child,
.comparison-table td:first-child {
    text-align: left;
}

.comparison-table th {
    font-weight: 600;
    color: var(--text-primary);
    background: var(--bg-tertiary);
}

.comparison-table td {
    color: var(--text-secondary);
}

.featured-col {
    background: var(--primary-lightest) !important;
}

.check {
    color: var(--success);
    font-weight: 700;
    font-size: 1.125rem;
}

.no-feature {
    color: var(--gray-300);
}

.pricing-transparency {
    text-align: center;
    color: var(--text-secondary);
    font-size: 1rem;
    font-style: italic;
}

/* ── FAQ Section ── */
.section-faq {
    background: var(--bg-section-alt);
}

.faq-grid {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.faq-item {
    border-radius: var(--border-radius-md);
    border: 1px solid var(--border-primary);
    background: var(--bg-primary);
    transition: var(--transition-smooth);
    overflow: hidden;
}

.faq-item:hover {
    background: var(--bg-hover);
}

.faq-item[open] {
    background: var(--bg-primary);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-light);
}

.faq-item summary {
    padding: 1.25rem 1.5rem;
    font-weight: 600;
    cursor: pointer;
    color: var(--text-primary);
    list-style: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    line-height: 1.4;
    transition: var(--transition-smooth);
}

.faq-item summary::-webkit-details-marker { display: none; }

.faq-item summary::after {
    content: '+';
    font-size: 1.25rem;
    color: var(--primary-dark);
    font-weight: 300;
    flex-shrink: 0;
    transition: var(--transition-smooth);
}

.faq-item[open] summary::after {
    content: '\2212';
}

.faq-item summary:focus-visible {
    outline: 3px solid var(--primary-color);
    outline-offset: -3px;
    border-radius: var(--border-radius-md);
}

.faq-answer {
    padding: 0 1.5rem 1.25rem;
}

.faq-answer p {
    color: var(--text-secondary);
    line-height: 1.7;
    font-size: 0.9375rem;
}

/* ── Waitlist CTA Section ── */
.section-waitlist {
    background: var(--bg-waitlist);
    padding: 80px 32px;
}

.waitlist-content {
    text-align: center;
    max-width: 680px;
    margin: 0 auto;
}

.waitlist-content h2 {
    color: var(--text-inverse);
    margin-bottom: 1rem;
}

.waitlist-content > p {
    color: rgba(255, 255, 255, 0.85);
    font-size: clamp(1rem, 2vw, 1.125rem);
    line-height: 1.7;
    margin-bottom: 2rem;
}

.waitlist-form .form-row {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    max-width: 480px;
    margin: 0 auto;
}

.waitlist-form .form-group input {
    background: rgba(255, 255, 255, 0.95);
    border-color: transparent;
}

.waitlist-form .form-group input:focus {
    background: var(--bg-primary);
    border-color: var(--text-inverse);
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.3);
}

.waitlist-form .error-message {
    color: var(--warning-light);
}

.waitlist-note {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.7);
    margin-top: 1rem;
}

/* ── Footer ── */
.footer {
    background: var(--bg-footer);
    padding: 60px 0 30px;
    color: var(--gray-400);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-brand img {
    height: 36px;
    width: auto;
    margin-bottom: 1rem;
}

.footer-brand p {
    font-size: 0.9375rem;
    line-height: 1.6;
    color: var(--gray-400);
    max-width: 300px;
}

.footer-links h4 {
    color: var(--text-inverse);
    font-size: 0.9375rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.footer-links a {
    font-size: 0.9375rem;
    color: var(--gray-400);
    transition: var(--transition-fast);
}

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

.footer-social h4 {
    color: var(--text-inverse);
    font-size: 0.9375rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.social-icons {
    display: flex;
    gap: 1rem;
}

.social-icons a {
    color: var(--gray-400);
    transition: var(--transition-smooth);
}

.social-icons a:hover {
    color: var(--primary-light);
    transform: translateY(-2px);
}

.social-icons svg {
    width: 22px;
    height: 22px;
}

.footer-bottom {
    padding-top: 1.5rem;
}

.footer-line {
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--primary-darker), transparent);
    margin-bottom: 1.5rem;
    animation: gradient-shift 8s ease infinite;
    background-size: 200% 100%;
}

@keyframes gradient-shift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.footer-bottom-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-bottom-content p {
    font-size: 0.8125rem;
    color: var(--gray-500);
}

.footer-back-top {
    color: var(--gray-400);
    padding: 8px;
    border-radius: 8px;
    transition: var(--transition-smooth);
}

.footer-back-top:hover {
    color: var(--primary-light);
    background: rgba(255, 255, 255, 0.05);
}

/* ── Modal ── */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: var(--bg-overlay);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.modal-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.modal-overlay[hidden] {
    display: none;
}

.modal-content {
    background: var(--bg-primary);
    border-radius: var(--border-radius-xl);
    padding: 3rem 2.5rem;
    max-width: 500px;
    width: 90%;
    text-align: center;
    position: relative;
    transform: translateY(20px);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.modal-overlay.active .modal-content {
    transform: translateY(0);
}

.modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 40px;
    height: 40px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--gray-400);
    transition: var(--transition-fast);
}

.modal-close:hover {
    background: var(--gray-100);
    color: var(--gray-600);
}

.modal-icon {
    margin-bottom: 1.5rem;
}

.modal-content h3 {
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.modal-content p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ── Scroll Animations ── */

/* Default: fade up */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Variant: fade in from left */
.animate-on-scroll.from-left {
    transform: translateX(-32px);
}

.animate-on-scroll.from-left.visible {
    transform: translateX(0);
}

/* Variant: fade in from right */
.animate-on-scroll.from-right {
    transform: translateX(32px);
}

.animate-on-scroll.from-right.visible {
    transform: translateX(0);
}

/* Variant: scale up */
.animate-on-scroll.scale-up {
    transform: scale(0.92);
}

.animate-on-scroll.scale-up.visible {
    transform: scale(1);
}

/* Section headers: fade up with slight scale */
.section-header.animate-on-scroll {
    transform: translateY(16px) scale(0.98);
}

.section-header.animate-on-scroll.visible {
    transform: translateY(0) scale(1);
}

/* Counter/number animation for stat values */
.animate-on-scroll .hero-radar-metric-value,
.animate-on-scroll .stat-value {
    transition: opacity 0.5s ease 0.3s;
}

/* Hover micro-interactions */
.radar-feature,
.step-card,
.pricing-card {
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1),
                box-shadow 0.3s ease,
                opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

.radar-feature:hover,
.step-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

.pricing-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.1);
}

/* Feature list items stagger */
.persona-features li {
    opacity: 0;
    transform: translateX(-12px);
    transition: opacity 0.4s ease, transform 0.4s ease;
}

.persona-panel.active .persona-features li {
    opacity: 1;
    transform: translateX(0);
}

.persona-panel.active .persona-features li:nth-child(1) { transition-delay: 0.05s; }
.persona-panel.active .persona-features li:nth-child(2) { transition-delay: 0.10s; }
.persona-panel.active .persona-features li:nth-child(3) { transition-delay: 0.15s; }
.persona-panel.active .persona-features li:nth-child(4) { transition-delay: 0.20s; }
.persona-panel.active .persona-features li:nth-child(5) { transition-delay: 0.25s; }
.persona-panel.active .persona-features li:nth-child(6) { transition-delay: 0.30s; }

/* Timeline items stagger on scroll */
.timeline-item.animate-on-scroll:nth-child(1) { transition-delay: 0s; }
.timeline-item.animate-on-scroll:nth-child(2) { transition-delay: 0.08s; }
.timeline-item.animate-on-scroll:nth-child(3) { transition-delay: 0.16s; }
.timeline-item.animate-on-scroll:nth-child(4) { transition-delay: 0.24s; }
.timeline-item.animate-on-scroll:nth-child(5) { transition-delay: 0.32s; }

/* Comparison table rows */
.comparison-row.animate-on-scroll {
    transform: translateY(12px);
}

/* Waitlist CTA section pulse glow */
@keyframes cta-glow {
    0%, 100% { box-shadow: 0 0 0 0 rgba(49, 208, 198, 0.3); }
    50% { box-shadow: 0 0 24px 8px rgba(49, 208, 198, 0.15); }
}

.section-waitlist .btn-primary {
    animation: cta-glow 3s ease-in-out infinite;
    animation-delay: 1s;
}

/* Navbar shrink on scroll */
.navbar.scrolled {
    padding: 0.5rem 0;
    box-shadow: 0 2px 16px rgba(0, 0, 0, 0.08);
}

.navbar {
    transition: padding 0.3s ease, box-shadow 0.3s ease;
}

/* Smooth parallax-like gradient shift on hero */
@keyframes hero-gradient-drift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.hero-section {
    background-size: 200% 200%;
    animation: hero-gradient-drift 12s ease infinite;
}

/* Float cards subtle hover on hero */
.hero-float-card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.hero-float-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1);
}

/* Keep the alert card translateY(-50%) on hover */
.hero-float-alert:hover {
    transform: translateY(calc(-50% - 2px));
}

/* ── Continuous life animations across the page ── */

/* Steps: progress sweep left-to-right */
.steps-progress .progress-dot {
    opacity: 0.35;
    transform: scale(1);
    animation: dot-activate 5s ease infinite;
}

.steps-progress .progress-dot:nth-child(1)  { animation-delay: 0s; }
.steps-progress .progress-dot:nth-child(3)  { animation-delay: 0.6s; }
.steps-progress .progress-dot:nth-child(5)  { animation-delay: 1.2s; }
.steps-progress .progress-dot:nth-child(7)  { animation-delay: 1.8s; }
.steps-progress .progress-dot:nth-child(9)  { animation-delay: 2.4s; }

@keyframes dot-activate {
    0%        { opacity: 0.35; transform: scale(1); background: var(--gray-300); }
    12%       { opacity: 1;    transform: scale(1.3); background: var(--primary-color); }
    50%       { opacity: 1;    transform: scale(1); background: var(--primary-color); }
    65%       { opacity: 0.35; transform: scale(1); background: var(--gray-300); }
    100%      { opacity: 0.35; transform: scale(1); background: var(--gray-300); }
}

.steps-progress .progress-dot.active,
.steps-progress .progress-dot.highlight {
    opacity: 1;
}

/* Progress lines fill left-to-right in sequence */
.steps-progress .progress-line {
    position: relative;
    overflow: hidden;
}

.steps-progress .progress-line::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: 100%;
    background: var(--primary-color);
    transform: scaleX(0);
    transform-origin: left;
    animation: line-sweep 5s ease infinite;
}

.steps-progress .progress-line:nth-child(2)::after  { animation-delay: 0.3s; }
.steps-progress .progress-line:nth-child(4)::after  { animation-delay: 0.9s; }
.steps-progress .progress-line:nth-child(6)::after  { animation-delay: 1.5s; }
.steps-progress .progress-line:nth-child(8)::after  { animation-delay: 2.1s; }

@keyframes line-sweep {
    0%        { transform: scaleX(0); transform-origin: left; }
    10%       { transform: scaleX(1); transform-origin: left; }
    50%       { transform: scaleX(1); transform-origin: left; }
    60%       { transform: scaleX(0); transform-origin: right; }
    100%      { transform: scaleX(0); transform-origin: right; }
}

/* Pricing: "Mais popular" badge soft glow */
.pricing-badge {
    animation: badge-glow 3s ease-in-out infinite;
}

@keyframes badge-glow {
    0%, 100% { box-shadow: 0 0 0 0 rgba(49, 208, 198, 0); }
    50% { box-shadow: 0 0 12px 4px rgba(49, 208, 198, 0.25); }
}

/* Persona mockup: budget bars breathe */
.budget-fill {
    animation: bar-breathe 3s ease-in-out infinite;
}

.budget-fill:nth-child(1) { animation-delay: 0s; }

.budget-row:nth-child(2) .budget-fill { animation-delay: 0.5s; }
.budget-row:nth-child(3) .budget-fill { animation-delay: 1s; }

@keyframes bar-breathe {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

/* Persona tabs: smooth transition on tab switch */
.persona-panel {
    transition: opacity 0.4s ease;
}

/* Radar feature icons: subtle float */
.radar-feature-icon {
    animation: icon-float 4s ease-in-out infinite;
}

.radar-feature:nth-child(1) .radar-feature-icon { animation-delay: 0s; }
.radar-feature:nth-child(2) .radar-feature-icon { animation-delay: 1.3s; }
.radar-feature:nth-child(3) .radar-feature-icon { animation-delay: 2.6s; }

@keyframes icon-float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-4px); }
}

/* FAQ chevron rotates smoothly */
.faq-item summary {
    transition: color 0.3s ease;
}

/* Scroll indicator: fade in/out with scroll */
.scroll-indicator {
    animation: scroll-fade 3s ease-in-out infinite;
}

@keyframes scroll-fade {
    0%, 100% { opacity: 0.4; transform: translateX(-50%) translateY(0); }
    50% { opacity: 1; transform: translateX(-50%) translateY(6px); }
}

/* ── Focus Styles (Accessibility) ── */
a:focus-visible,
button:focus-visible,
input:focus-visible,
details summary:focus-visible {
    outline: 3px solid var(--primary-color);
    outline-offset: 2px;
}

button:focus-visible,
a:focus-visible {
    outline-offset: 4px;
}

/* ── Form Validation Animations ── */
@keyframes shake {
    0%, 100% { transform: translateX(0); }
    10%, 30%, 50%, 70%, 90% { transform: translateX(-4px); }
    20%, 40%, 60%, 80% { transform: translateX(4px); }
}

.shake {
    animation: shake 0.5s ease;
}

/* ── Print Styles ── */
@media print {
    .navbar, .footer, .modal-overlay, .scroll-indicator, .hero-visual, .persona-visual {
        display: none !important;
    }
    body { font-size: 12pt; color: #000; }
    .hero-section { min-height: auto; padding: 2rem 0; }
    .section { padding: 2rem 0; }
}

/* ── Reduced Motion ── */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    html { scroll-behavior: auto; }
}

/* ============================================================
   RESPONSIVE DESIGN
   Mobile First: <=640px | Tablet: 641-968px | Desktop: >=969px
   ============================================================ */

/* ── Mobile (<=640px) ── */
@media (max-width: 640px) {
    .container {
        padding: 0 20px;
    }

    .section {
        padding: 40px 20px;
    }

    /* Nav */
    .nav-container {
        padding: 0 20px;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: var(--bg-primary);
        flex-direction: column;
        align-items: stretch;
        padding: 80px 24px 24px;
        gap: 0;
        box-shadow: var(--shadow-lg);
        transition: right 0.3s ease;
        z-index: 999;
    }

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

    .nav-link {
        padding: 1rem 0;
        border-bottom: 1px solid var(--border-primary);
        font-size: 1rem;
    }

    .nav-cta {
        margin-top: 1rem;
        text-align: center;
        padding: 0.8rem 1.5rem;
    }

    .lang-selector {
        margin-left: 0;
        margin-top: 0.5rem;
    }

    /* Hero */
    .hero-section {
        padding: 100px 0 60px;
        min-height: auto;
    }

    .hero-content {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }

    .hero-visual {
        display: none;
    }

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

    .scroll-indicator {
        display: none;
    }

    /* Radar */
    .radar-demo {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .radar-features {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .radar-tooltip {
        display: none;
    }

    /* Personas */
    .persona-tabs {
        flex-direction: column;
    }

    .persona-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .persona-visual {
        order: -1;
    }

    /* Steps */
    .steps-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .steps-progress {
        display: none;
    }

    /* Pricing */
    .pricing-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        max-width: 100%;
    }

    .pricing-card {
        padding: 1.25rem;
    }

    .pricing-cta {
        white-space: normal;
        padding: 0.875rem 1.25rem;
    }

    /* Waitlist */
    .section-waitlist {
        padding: 60px 20px;
    }

    .waitlist-form .btn {
        width: 100%;
    }

    /* Footer */
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .footer-bottom-content {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
}

/* ── Tablet (641px-968px) ── */
@media (min-width: 641px) and (max-width: 968px) {
    .container {
        padding: 0 24px;
    }

    .section {
        padding: 50px 24px;
    }

    .nav-container {
        padding: 0 24px;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 320px;
        height: 100vh;
        background: var(--bg-primary);
        flex-direction: column;
        align-items: stretch;
        padding: 80px 32px 32px;
        gap: 0;
        box-shadow: var(--shadow-lg);
        transition: right 0.3s ease;
        z-index: 999;
    }

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

    .nav-link {
        padding: 1rem 0;
        border-bottom: 1px solid var(--border-primary);
    }

    .nav-cta {
        margin-top: 1rem;
        text-align: center;
    }

    /* Hero */
    .hero-section {
        padding: 110px 0 60px;
        min-height: auto;
    }

    .hero-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

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

    /* Radar */
    .radar-demo {
        grid-template-columns: 1fr;
    }

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

    /* Personas */
    .persona-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .persona-visual {
        order: -1;
    }

    /* Steps */
    .steps-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .step-card:nth-child(4),
    .step-card:nth-child(5) {
        grid-column: span 1;
    }

    .steps-progress {
        display: none;
    }

    /* Pricing */
    .pricing-grid {
        grid-template-columns: 1fr;
        max-width: 480px;
        margin-left: auto;
        margin-right: auto;
    }

    /* Footer */
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 2rem;
    }
}

/* ── Desktop+ (1200px+) ── */
@media (min-width: 1200px) {
    .hero-headline {
        font-size: 3.25rem;
    }
}