/* ============================================
   SigoLeve Landing Page - Modern CSS
   ============================================ */

/* CSS Variables */
:root {
    /* Colors */
    --primary: #2D9A4F;
    --primary-dark: #1F7A3A;
    --primary-light: #4AB66A;
    --primary-50: rgba(45, 154, 79, 0.1);
    --primary-100: rgba(45, 154, 79, 0.15);
    
    --secondary: #6366F1;
    --secondary-dark: #4F46E5;
    --secondary-light: #818CF8;
    
    --gold: #F59E0B;
    --gold-dark: #D97706;
    --gold-light: #FBBF24;
    
    --fodmap-green: #22C55E;
    --fodmap-yellow: #EAB308;
    --fodmap-red: #EF4444;
    
    /* Neutrals */
    --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;
    --gray-950: #030712;
    
    --white: #FFFFFF;
    --black: #000000;
    
    /* Backgrounds */
    --bg-primary: var(--white);
    --bg-secondary: var(--gray-50);
    --bg-dark: var(--gray-900);
    
    /* Text */
    --text-primary: var(--gray-900);
    --text-secondary: var(--gray-600);
    --text-muted: var(--gray-400);
    --text-inverse: var(--white);
    
    /* Borders */
    --border-color: var(--gray-200);
    --border-light: var(--gray-100);
    
    /* Shadows */
    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.4), 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4), 0 2px 4px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.4), 0 4px 6px rgba(0, 0, 0, 0.3);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.4), 0 10px 10px rgba(0, 0, 0, 0.3);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.4);
    --shadow-primary: 0 4px 14px rgba(74, 182, 106, 0.3);
    --shadow-gold: 0 10px 40px -10px rgba(245, 158, 11, 0.4);
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #2D9A4F 0%, #4AB66A 100%);
    --gradient-hero: linear-gradient(135deg, #0F172A 0%, #1E293B 50%, #0F172A 100%);
    --gradient-cta: linear-gradient(135deg, #2D9A4F 0%, #4AB66A 100%);
    --gradient-premium: linear-gradient(135deg, #F59E0B 0%, #D97706 100%);
    
    /* 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;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-2xl: 20px;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 200ms ease;
    --transition-slow: 300ms ease;
    --transition-slower: 500ms ease;
    --transition-spring: 300ms cubic-bezier(0.34, 1.56, 0.64, 1);
    
    /* Z-index */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
}

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

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

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

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

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

/* Container */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-4);
}

@media (min-width: 640px) {
    .container {
        padding: 0 var(--space-6);
    }
}

/* ============================================
   Navigation
   ============================================ */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-fixed);
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-light);
    transition: all var(--transition-base);
}

.nav.scrolled {
    background: rgba(255, 255, 255, 0.95);
    box-shadow: var(--shadow-sm);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-4);
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--text-primary);
}

.logo-icon {
    width: 32px;
    height: 32px;
    object-fit: contain;
    display: block;
    flex-shrink: 0;
}

.nav-logo .logo-icon {
    width: 30px;
    height: 30px;
    border-radius: 5px;
}

.footer-logo .logo-icon {
    width: 26px;
    height: 26px;
    border-radius: 5px;
}

.nav-links {
    display: none;
    align-items: center;
    gap: var(--space-8);
}

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

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

.nav-cta {
    display: none;
    padding: var(--space-2) var(--space-4);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--white);
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
}

.nav-cta:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-primary);
}

.nav-mobile-toggle {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 32px;
    height: 32px;
    padding: 4px;
}

.nav-mobile-toggle span {
    width: 100%;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all var(--transition-base);
}

.nav-mobile-toggle.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.nav-mobile-toggle.active span:nth-child(2) {
    opacity: 0;
}

.nav-mobile-toggle.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

@media (min-width: 768px) {
    .nav-links {
        display: flex;
    }
    
    .nav-cta {
        display: inline-flex;
    }
    
    .nav-mobile-toggle {
        display: none;
    }
}

/* Mobile Menu */
.mobile-menu {
    display: none;
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: var(--z-modal);
    background: var(--white);
    padding: var(--space-6);
    flex-direction: column;
    gap: var(--space-4);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

.mobile-menu.active {
    display: flex;
    opacity: 1;
    visibility: visible;
}

.mobile-menu-link {
    font-size: 1.125rem;
    font-weight: 500;
    color: var(--text-primary);
    padding: var(--space-3) 0;
    border-bottom: 1px solid var(--border-light);
}

.mobile-menu-cta {
    margin-top: var(--space-4);
    padding: var(--space-4);
    font-size: 1rem;
    font-weight: 600;
    color: var(--white);
    background: var(--gradient-primary);
    border-radius: var(--radius-xl);
    text-align: center;
}

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    font-size: 0.9375rem;
    font-weight: 600;
    border-radius: var(--radius-lg);
    transition: all var(--transition-spring);
    cursor: pointer;
    white-space: nowrap;
    transform: scale(1);
}

.btn-lg {
    padding: var(--space-4) var(--space-8);
    font-size: 1rem;
}

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

.btn-primary:hover {
    transform: translateY(-2px) scale(1.02);
    box-shadow: var(--shadow-primary);
}

/* CTA Hero - alto contraste laranja */
.btn-cta-hero {
    color: var(--white);
    background: #FF8C00;
    box-shadow: 0 4px 14px rgba(255, 140, 0, 0.4);
}

.btn-cta-hero:hover {
    background: #e67e00;
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 6px 20px rgba(255, 140, 0, 0.45);
}

.btn-cta-hero:active {
    transform: translateY(0) scale(0.97);
}

/* Link de texto simples abaixo do CTA principal (reduz fricção) */
.hero-cta-link {
    display: inline-block;
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--gray-400);
    margin-top: var(--space-2);
    transition: color var(--transition-fast);
}

.hero-cta-link:hover {
    color: var(--primary-light);
}

.btn-primary:active {
    transform: translateY(0) scale(0.97);
}

.btn-ghost {
    color: var(--text-secondary);
    background: transparent;
    border: 1px solid var(--border-color);
}

.btn-ghost:hover {
    color: var(--text-primary);
    background: var(--gray-50);
    border-color: var(--gray-300);
    transform: scale(1.02);
}

.btn-ghost:active {
    transform: scale(0.97);
}

.btn-white {
    color: var(--primary-dark);
    background: var(--white);
    box-shadow: var(--shadow-lg);
}

.btn-white:hover {
    transform: translateY(-2px) scale(1.02);
    box-shadow: var(--shadow-xl);
}

.btn-white:active {
    transform: translateY(0) scale(0.97);
}

.btn-gold {
    color: var(--white);
    background: var(--gradient-premium);
    box-shadow: var(--shadow-md);
}

.btn-gold:hover {
    transform: translateY(-2px) scale(1.02);
    box-shadow: var(--shadow-gold);
}

.btn-gold:active {
    transform: translateY(0) scale(0.97);
}

/* ============================================
   Section Badges
   ============================================ */
.section-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--primary);
    background: var(--primary-50);
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.section-badge.light {
    color: var(--white);
    background: rgba(255, 255, 255, 0.15);
}

.section-badge.gold {
    color: var(--gold);
    background: rgba(245, 158, 11, 0.1);
}

/* ============================================
   Section Headers
   ============================================ */
.section-header {
    text-align: center;
    margin-bottom: var(--space-12);
}

.section-title {
    font-size: 2rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-top: var(--space-4);
    margin-bottom: var(--space-4);
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.section-title.light {
    color: var(--white);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

@media (min-width: 768px) {
    .section-title {
        font-size: 2.5rem;
    }
}

@media (min-width: 1024px) {
    .section-title {
        font-size: 3rem;
    }
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
    position: relative;
    min-height: 100vh;
    padding: 100px 0 80px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: -1;
}

.hero-gradient {
    position: absolute;
    inset: 0;
    background: var(--gradient-hero);
}

.hero-pattern {
    position: absolute;
    inset: 0;
    background-image: 
        radial-gradient(circle at 25% 25%, rgba(16, 185, 129, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 75% 75%, rgba(99, 102, 241, 0.1) 0%, transparent 50%);
}

.hero-glow {
    position: absolute;
    top: -50%;
    left: -25%;
    width: 150%;
    height: 150%;
    background: radial-gradient(ellipse at center, rgba(16, 185, 129, 0.15) 0%, transparent 70%);
    animation: pulse 8s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 0.5; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.1); }
}

.hero .container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-12);
}

.hero-content {
    text-align: center;
    max-width: 720px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--primary-light);
    background: rgba(16, 185, 129, 0.15);
    border: 1px solid rgba(16, 185, 129, 0.3);
    border-radius: var(--radius-full);
    margin-bottom: var(--space-6);
}

.badge-icon {
    font-size: 1rem;
}

.hero-title {
    font-size: 2.25rem;
    font-weight: 800;
    color: var(--white);
    line-height: 1.15;
    letter-spacing: -0.02em;
    margin-bottom: var(--space-6);
}

.hero-title .highlight {
    color: var(--primary-light);
    position: relative;
}

.hero-subtitle {
    font-size: 1.125rem;
    color: var(--gray-300);
    line-height: 1.7;
    margin-bottom: var(--space-8);
}

.hero-ctas {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-2);
    margin-bottom: var(--space-10);
}

.hero .btn-ghost {
    color: var(--gray-300);
    border-color: var(--gray-600);
}

.hero .btn-ghost:hover {
    color: var(--white);
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--gray-500);
}

.hero-trust {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-3);
}

.trust-avatars {
    display: flex;
    margin-left: 12px;
}

.avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--gray-700);
    border: 3px solid var(--gray-900);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    margin-left: -12px;
}

.trust-text {
    font-size: 0.9375rem;
    color: var(--gray-400);
}

.trust-text strong {
    color: var(--white);
}

/* Hero Visual */
.hero-visual {
    position: relative;
    width: 100%;
    max-width: 320px;
}

.phone-mockup {
    position: relative;
    z-index: 2;
}

.phone-frame {
    background: linear-gradient(180deg, #1E293B 0%, #0F172A 100%);
    border-radius: 40px;
    padding: 12px;
    box-shadow: 
        0 0 0 1px rgba(255, 255, 255, 0.1),
        var(--shadow-2xl),
        0 0 100px rgba(45, 154, 79, 0.2);
}

.phone-notch {
    width: 120px;
    height: 28px;
    background: var(--black);
    border-radius: 0 0 20px 20px;
    margin: 0 auto 12px;
}

.phone-screen {
    background: var(--gray-900);
    border-radius: 28px;
    padding: var(--space-4);
    min-height: 400px;
}

.app-header {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin-bottom: var(--space-4);
}

.app-logo {
    width: 24px;
    height: 24px;
    object-fit: contain;
    display: block;
    flex-shrink: 0;
}

.app-title {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--white);
}

.app-search {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    background: var(--gray-800);
    border-radius: var(--radius-xl);
    margin-bottom: var(--space-4);
}

.search-icon {
    font-size: 1rem;
}

.search-text {
    font-size: 0.875rem;
    color: var(--gray-500);
}

.app-foods {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.food-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    background: var(--gray-800);
    border-radius: var(--radius-lg);
    border-left: 4px solid transparent;
}

.food-item.food-green {
    border-left-color: var(--fodmap-green);
}

.food-item.food-yellow {
    border-left-color: var(--fodmap-yellow);
}

.food-item.food-red {
    border-left-color: var(--fodmap-red);
}

.food-emoji {
    font-size: 1.5rem;
}

.food-info {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.food-name {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--white);
}

.food-status {
    font-size: 0.75rem;
    color: var(--gray-400);
}

.food-badge {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--gray-900);
}

.food-badge.green {
    background: var(--fodmap-green);
}

.food-badge.yellow {
    background: var(--fodmap-yellow);
}

.food-badge.red {
    background: var(--fodmap-red);
}

/* Floating Cards */
.floating-cards {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.floating-card {
    position: absolute;
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    background: rgba(30, 41, 59, 0.9);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--white);
    white-space: nowrap;
    animation: float 6s ease-in-out infinite;
}

.card-1 {
    top: 20%;
    left: -20%;
    animation-delay: 0s;
}

.card-2 {
    top: 50%;
    right: -15%;
    animation-delay: 2s;
}

.card-3 {
    bottom: 25%;
    left: -10%;
    animation-delay: 4s;
}

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

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

/* Hero Wave */
.hero-wave {
    position: absolute;
    bottom: -1px;
    left: 0;
    right: 0;
    color: var(--bg-primary);
    line-height: 0;
}

.hero-wave svg {
    width: 100%;
    height: 60px;
}

/* CTAs em largura total no mobile (facilita clique com o polegar) */
@media (max-width: 639px) {
    .hero-cta-main,
    .cta-btn-mobile-full {
        width: 100%;
        max-width: 100%;
    }
    .mobile-menu-cta.cta-btn-mobile-full {
        display: block;
        text-align: center;
    }
}

@media (min-width: 640px) {
    .hero-title {
        font-size: 2.75rem;
    }
    
    .hero-ctas {
        flex-direction: row;
        justify-content: center;
        align-items: center;
    }
    
    .hero-wave svg {
        height: 80px;
    }
}

@media (min-width: 768px) {
    .hero {
        padding: 120px 0 100px;
    }
    
    .hero-title {
        font-size: 3.25rem;
    }
    
    .hero-subtitle {
        font-size: 1.25rem;
    }
    
    .hero-wave svg {
        height: 100px;
    }
}

@media (min-width: 1024px) {
    .hero .container {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }
    
    .hero-content {
        text-align: left;
        max-width: 560px;
    }
    
    .hero-title {
        font-size: 3.5rem;
    }
    
    .hero-ctas {
        justify-content: flex-start;
    }
    
    .hero-trust {
        flex-direction: row;
        justify-content: flex-start;
    }
    
    .hero-visual {
        max-width: 380px;
    }
    
    .card-1 {
        left: -30%;
    }
    
    .card-2 {
        right: -25%;
    }
    
    .card-3 {
        left: -20%;
    }
    
    .hero-wave svg {
        height: 120px;
    }
}

/* ============================================
   Problem Section
   ============================================ */
.problem-section {
    padding: var(--space-20) 0;
    background: var(--bg-primary);
}

.problem-grid {
    display: grid;
    gap: var(--space-12);
}

.problem-content {
    max-width: 560px;
}

.problem-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
    margin-top: var(--space-8);
}

.problem-item {
    display: flex;
    gap: var(--space-4);
}

.problem-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    background: var(--gray-100);
    border-radius: var(--radius-lg);
}

.problem-text h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-1);
}

.problem-text p {
    font-size: 0.9375rem;
    color: var(--text-secondary);
}

/* Solution Card */
.solution-content {
    display: flex;
    align-items: center;
}

.solution-card {
    background: linear-gradient(135deg, var(--gray-900) 0%, var(--gray-800) 100%);
    border-radius: var(--radius-2xl);
    padding: var(--space-8);
    color: var(--white);
}

.solution-header {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-4);
}

.solution-icon {
    font-size: 2rem;
}

.solution-header h3 {
    font-size: 1.5rem;
    font-weight: 700;
}

.solution-text {
    font-size: 1rem;
    color: var(--gray-300);
    line-height: 1.7;
    margin-bottom: var(--space-6);
}

.solution-text strong {
    color: var(--primary-light);
}

.solution-features {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    margin-bottom: var(--space-6);
}

.solution-feature {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: 0.9375rem;
    color: var(--gray-300);
}

.check-icon {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary);
    color: var(--white);
    border-radius: 50%;
    font-size: 0.75rem;
    font-weight: 700;
}

@media (min-width: 1024px) {
    .problem-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-16);
        align-items: center;
    }
}

/* ============================================
   Features Section
   ============================================ */
.features-section {
    padding: var(--space-20) 0;
    background: var(--bg-secondary);
}

.features-grid {
    display: grid;
    gap: var(--space-6);
}

.feature-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    border: 1px solid var(--border-color);
    transition: all var(--transition-spring);
    transform: scale(1);
}

.feature-card:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-100);
}

.feature-card:active {
    transform: translateY(-2px) scale(0.98);
}

.feature-card.feature-main {
    background: linear-gradient(135deg, var(--gray-900) 0%, var(--gray-800) 100%);
    border: none;
    color: var(--white);
}

.feature-card.feature-main .feature-title {
    color: var(--white);
}

.feature-card.feature-main .feature-description {
    color: var(--gray-300);
}

.feature-icon-wrapper {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-50);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-4);
}

.feature-card.feature-main .feature-icon-wrapper {
    background: rgba(45, 154, 79, 0.2);
}

.feature-icon-wrapper.green {
    background: rgba(34, 197, 94, 0.1);
}

.feature-icon-wrapper.blue {
    background: rgba(59, 130, 246, 0.1);
}

.feature-icon-wrapper.purple {
    background: rgba(139, 92, 246, 0.1);
}

.feature-icon-wrapper.orange {
    background: rgba(249, 115, 22, 0.1);
}

.feature-icon-wrapper.pink {
    background: rgba(236, 72, 153, 0.1);
}

.feature-icon {
    font-size: 1.75rem;
}

.feature-title {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-2);
}

.feature-description {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.feature-highlight {
    display: flex;
    align-items: baseline;
    gap: var(--space-2);
    margin-top: var(--space-6);
    padding-top: var(--space-4);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.highlight-number {
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary-light);
}

.highlight-text {
    font-size: 0.875rem;
    color: var(--gray-400);
}

@media (min-width: 640px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .feature-card.feature-main {
        grid-column: span 2;
    }
}

@media (min-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .feature-card.feature-main {
        grid-column: span 1;
        grid-row: span 2;
    }
}

/* ============================================
   How It Works Section
   ============================================ */
.how-section {
    padding: var(--space-20) 0;
    background: var(--bg-primary);
}

.steps-grid {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-4);
}

.step-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: var(--space-8);
    background: var(--white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-2xl);
    max-width: 320px;
    width: 100%;
    position: relative;
    transition: all var(--transition-spring);
    transform: scale(1);
}

.step-card:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-100);
}

.step-card:active {
    transform: translateY(-2px) scale(0.98);
}

.step-number {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--white);
    background: var(--gradient-primary);
    border-radius: 50%;
    margin-bottom: var(--space-4);
}

.step-content {
    margin-bottom: var(--space-4);
}

.step-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-2);
}

.step-description {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.step-visual {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gray-100);
    border-radius: var(--radius-xl);
}

.step-icon {
    font-size: 2.5rem;
}

.step-connector {
    display: none;
    width: 100px;
    color: var(--gray-300);
    transform: rotate(90deg);
}

.steps-cta {
    margin-top: var(--space-12);
    text-align: center;
}

@media (min-width: 1024px) {
    .steps-grid {
        flex-direction: row;
        justify-content: center;
        gap: 0;
    }
    
    .step-card {
        max-width: 280px;
    }
    
    .step-connector {
        display: block;
        transform: none;
    }
}

/* ============================================
   Legend Section
   ============================================ */
.legend-section {
    padding: var(--space-20) 0;
    background: linear-gradient(135deg, var(--gray-900) 0%, var(--gray-800) 100%);
}

.legend-content {
    display: grid;
    gap: var(--space-12);
}

.legend-text {
    max-width: 480px;
}

.legend-description {
    font-size: 1.0625rem;
    color: var(--gray-300);
    line-height: 1.7;
    margin-top: var(--space-4);
}

.legend-cards {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.legend-card {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-5);
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-xl);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.legend-card.green {
    border-left: 4px solid var(--fodmap-green);
}

.legend-card.yellow {
    border-left: 4px solid var(--fodmap-yellow);
}

.legend-card.red {
    border-left: 4px solid var(--fodmap-red);
}

.legend-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-size: 1.25rem;
    font-weight: 700;
    flex-shrink: 0;
}

.legend-card.green .legend-icon {
    background: var(--fodmap-green);
    color: var(--gray-900);
}

.legend-card.yellow .legend-icon {
    background: var(--fodmap-yellow);
    color: var(--gray-900);
}

.legend-card.red .legend-icon {
    background: var(--fodmap-red);
    color: var(--white);
}

.legend-info h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--white);
    margin-bottom: var(--space-1);
}

.legend-info p {
    font-size: 0.875rem;
    color: var(--gray-400);
}

@media (min-width: 1024px) {
    .legend-content {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-16);
        align-items: center;
    }
}

/* ============================================
   Compare Table Section (Grátis vs Premium)
   ============================================ */
.compare-section {
    padding: var(--space-20) 0;
    background: var(--bg-primary);
}

.compare-table-wrapper {
    overflow-x: auto;
    margin-bottom: var(--space-8);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}

.compare-table {
    width: 100%;
    min-width: 320px;
    border-collapse: collapse;
    font-size: 0.9375rem;
}

.compare-table thead {
    background: var(--gray-50);
}

.compare-table thead th {
    font-weight: 600;
    color: var(--text-primary);
    text-align: left;
}

.compare-cell {
    padding: var(--space-4) var(--space-5);
    border-bottom: 1px solid var(--border-light);
    vertical-align: middle;
}

.compare-cell-feature {
    color: var(--text-secondary);
    font-weight: 500;
}

.compare-cell-plan {
    text-align: center;
    width: 28%;
    max-width: 140px;
}

.compare-cell-premium {
    background: rgba(245, 158, 11, 0.06);
    font-weight: 600;
    color: var(--gray-800);
}

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

.compare-table tbody tr:hover .compare-cell-feature {
    color: var(--text-primary);
}

.compare-check {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    margin: 0 auto;
    background: var(--fodmap-green);
    color: var(--white);
    border-radius: 50%;
    font-size: 0.875rem;
    font-weight: 700;
    line-height: 1;
}

.compare-not {
    display: inline-block;
    color: var(--gray-300);
    font-size: 1rem;
    font-weight: 400;
    line-height: 1;
}

.compare-limited {
    display: inline-block;
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--gray-500);
    line-height: 1;
}

.compare-cell-limited {
    text-align: center;
}

.compare-cta-text {
    text-align: center;
    margin: 0;
}

.compare-cta-link {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--primary);
    transition: color var(--transition-fast);
}

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

@media (min-width: 640px) {
    .compare-cell {
        padding: var(--space-4) var(--space-6);
    }
}

@media (max-width: 639px) {
    .compare-table thead th.compare-cell-feature {
        min-width: 180px;
    }
}

/* ============================================
   Premium Section
   ============================================ */
.premium-section {
    padding: var(--space-20) 0;
    background: var(--bg-secondary);
}

.premium-grid {
    display: grid;
    gap: var(--space-12);
}

.premium-content {
    max-width: 560px;
}

.premium-description {
    font-size: 1.0625rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-top: var(--space-4);
    margin-bottom: var(--space-8);
}

.premium-features {
    display: flex;
    flex-direction: column;
    gap: var(--space-5);
    margin-bottom: var(--space-8);
}

.premium-feature {
    display: flex;
    gap: var(--space-4);
}

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

.premium-feature-icon {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    flex-shrink: 0;
}

.premium-feature-icon svg {
    width: 22px;
    height: 22px;
}

.premium-feature-text h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-1);
}

.premium-feature-text p {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* Premium Visual */
.premium-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.premium-card-stack {
    position: relative;
    width: 100%;
    max-width: 320px;
}

.premium-card-bg {
    position: absolute;
    inset: 20px -10px -10px 10px;
    background: var(--gray-200);
    border-radius: var(--radius-2xl);
}

.premium-card-main {
    position: relative;
    background: linear-gradient(135deg, var(--gray-900) 0%, var(--gray-800) 100%);
    border-radius: var(--radius-2xl);
    padding: var(--space-8);
    color: var(--white);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    min-width: 0;
}

.premium-card-header {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-2);
    margin-bottom: var(--space-6);
}

.premium-card-badge {
    display: inline-flex;
    padding: var(--space-1) var(--space-3);
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--gold);
    background: rgba(245, 158, 11, 0.15);
    border-radius: var(--radius-full);
    letter-spacing: 0.05em;
}

.premium-card-best-value {
    display: inline-flex;
    padding: var(--space-1) var(--space-3);
    font-size: 0.6875rem;
    font-weight: 700;
    color: var(--white);
    background: linear-gradient(135deg, #FF8C00 0%, #e67e00 100%);
    border-radius: var(--radius-full);
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.premium-card-urgency {
    font-size: 0.75rem;
    color: var(--gray-400);
    margin-bottom: var(--space-3);
    font-weight: 500;
    letter-spacing: 0.02em;
    line-height: 1.4;
}

.premium-card-price {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    gap: var(--space-1);
    margin-bottom: var(--space-2);
    min-width: 0;
}

.price-currency {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--gray-400);
    flex-shrink: 0;
}

.price-value {
    font-size: clamp(2rem, 8vw, 4rem);
    font-weight: 800;
    line-height: 1;
    min-width: 0;
}

.price-period {
    font-size: 1rem;
    color: var(--gray-400);
}

.premium-card-subtitle {
    font-size: 0.875rem;
    color: var(--gray-400);
    margin-bottom: var(--space-6);
}

.premium-card-items {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.premium-card-item {
    font-size: 0.9375rem;
    color: var(--gray-300);
}

@media (min-width: 1024px) {
    .premium-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-16);
        align-items: center;
    }
}

/* ============================================
   Testimonials Section
   ============================================ */
.testimonials-section {
    padding: var(--space-20) 0;
    background: var(--bg-primary);
}

.testimonials-grid {
    display: grid;
    gap: var(--space-6);
}

.testimonial-card {
    background: var(--white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    transition: all var(--transition-base);
}

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

.testimonial-stars {
    font-size: 1rem;
    margin-bottom: var(--space-4);
    letter-spacing: 2px;
}

.testimonial-text {
    font-size: 1rem;
    color: var(--text-primary);
    line-height: 1.7;
    margin-bottom: var(--space-6);
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.author-avatar {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    background: var(--gray-100);
    border-radius: 50%;
}

.author-info {
    display: flex;
    flex-direction: column;
}

.author-name {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--text-primary);
}

.author-location {
    font-size: 0.8125rem;
    color: var(--text-muted);
}

@media (min-width: 768px) {
    .testimonials-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .testimonials-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* ============================================
   FAQ Section
   ============================================ */
.faq-section {
    padding: var(--space-20) 0;
    background: var(--bg-secondary);
}

.faq-grid {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.faq-item {
    background: var(--white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: all var(--transition-base);
}

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

.faq-item.active {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-50);
}

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    padding: var(--space-5) var(--space-6);
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    text-align: left;
    transition: all var(--transition-base);
}

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

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

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

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: all var(--transition-slow);
}

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

.faq-answer p {
    padding: 0 var(--space-6) var(--space-6);
    font-size: 0.9375rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ============================================
   Final CTA Section
   ============================================ */
.final-cta {
    padding: var(--space-20) 0;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    text-align: center;
}

.cta-content {
    max-width: 640px;
    margin: 0 auto;
}

.cta-title {
    font-size: 2rem;
    font-weight: 800;
    color: var(--white);
    margin-bottom: var(--space-4);
    letter-spacing: -0.02em;
}

.cta-text {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--space-8);
    line-height: 1.6;
}

.cta-buttons {
    margin-bottom: var(--space-6);
}

.cta-note {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.7);
}

@media (min-width: 768px) {
    .cta-title {
        font-size: 2.5rem;
    }
}

/* ============================================
   Footer
   ============================================ */
.footer {
    background: var(--gray-900);
    color: var(--white);
    padding: var(--space-16) 0 var(--space-8);
}

.footer-grid {
    display: grid;
    gap: var(--space-10);
    margin-bottom: var(--space-12);
}

.footer-brand {
    max-width: 280px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: var(--space-4);
}

.footer-tagline {
    font-size: 0.9375rem;
    color: var(--gray-400);
    line-height: 1.6;
}

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

.footer-title {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--gray-300);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-2);
}

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

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

.footer-bottom {
    padding-top: var(--space-8);
    border-top: 1px solid var(--gray-800);
    text-align: center;
}

.footer-copyright {
    font-size: 0.875rem;
    color: var(--gray-500);
    margin-bottom: var(--space-3);
}

.footer-disclaimer {
    font-size: 0.75rem;
    color: var(--gray-600);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

@media (min-width: 640px) {
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-brand {
        grid-column: span 2;
    }
}

@media (min-width: 1024px) {
    .footer-grid {
        grid-template-columns: 2fr 1fr 1fr 1fr;
    }
    
    .footer-brand {
        grid-column: span 1;
    }
    
    .footer-bottom {
        display: flex;
        justify-content: space-between;
        align-items: center;
        text-align: left;
    }
    
    .footer-copyright {
        margin-bottom: 0;
    }
    
    .footer-disclaimer {
        margin: 0;
        text-align: right;
    }
}

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

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.animate-fade-in-up {
    animation: fadeInUp 0.6s ease-out forwards;
}

.animate-fade-in {
    animation: fadeIn 0.6s ease-out forwards;
}

/* Intersection Observer animations */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease-out;
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================
   Premium Loading Styles
   ============================================ */
.premium-loading {
    min-height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.price-original {
    opacity: 0.6;
    font-weight: 400;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ============================================
   AdSense Styles
   ============================================ */
.ads-section {
    padding: var(--space-8) 0;
    background: var(--bg-secondary);
    margin: var(--space-12) 0;
}

.ads-section .container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100px;
}

.ads-section .adsbygoogle {
    display: block;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
}

@media (max-width: 768px) {
    .ads-section {
        padding: var(--space-6) 0;
        margin: var(--space-8) 0;
    }
}

/* ============================================
   Utility Classes
   ============================================ */
.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;
}

/* Smooth scrolling offset for fixed nav */
html {
    scroll-padding-top: 80px;
}