/* =============================================
   GNT PRAZOS - LANDING PAGE PREMIUM V2
   Layout Moderno com Foco em Funcionalidades
   ============================================= */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&family=Poppins:wght@700;800;900&display=swap');

:root {
    /* Cores Principais - Jurídico Premium */
    --primary: #2563eb;
    --primary-dark: #1e40af;
    --primary-light: #3b82f6;
    --secondary: #dc2626;
    --secondary-dark: #b91c1c;
    --accent: #f59e0b;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    
    /* Gradientes */
    --gradient-primary: linear-gradient(135deg, #2563eb 0%, #3b82f6 100%);
    --gradient-danger: linear-gradient(135deg, #dc2626 0%, #ef4444 100%);
    --gradient-success: linear-gradient(135deg, #059669 0%, #10b981 100%);
    --gradient-gold: linear-gradient(135deg, #d97706 0%, #f59e0b 100%);
    --gradient-hero: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
    
    /* Neutros */
    --white: #ffffff;
    --black: #000000;
    --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;
    
    /* Sombras */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    
    /* Transições */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    line-height: 1.6;
    color: var(--gray-900);
    background: var(--white);
    overflow-x: hidden;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

/* =============================================
   NAVBAR
   ============================================= */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--gray-200);
    z-index: 1000;
    transition: var(--transition);
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
    background: rgba(255, 255, 255, 0.98);
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
}

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 24px;
    font-weight: 700;
    color: var(--gray-900);
}

.brand-icon {
    font-size: 28px;
}

.brand-name strong {
    color: var(--primary);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-menu a {
    text-decoration: none;
    color: var(--gray-700);
    font-weight: 600;
    font-size: 15px;
    transition: var(--transition);
    position: relative;
}

.nav-menu a:not(.btn-nav):hover {
    color: var(--primary);
}

.nav-menu a:not(.btn-nav)::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: width 0.3s;
}

.nav-menu a:not(.btn-nav):hover::after {
    width: 100%;
}

.btn-nav {
    background: var(--gradient-primary);
    color: var(--white) !important;
    padding: 10px 24px;
    border-radius: 8px;
    font-weight: 700;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.btn-nav:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(37, 99, 235, 0.4);
}

/* =============================================
   HERO SECTION
   ============================================= */
.hero {
    padding: 140px 0 80px;
    background: var(--gradient-hero);
    position: relative;
    overflow: hidden;
}

.hero-bg-elements {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    opacity: 0.1;
}

.floating-shape {
    position: absolute;
    border-radius: 50%;
    background: var(--primary);
    animation: float 20s ease-in-out infinite;
}

.shape-1 {
    width: 400px;
    height: 400px;
    top: -200px;
    right: -100px;
}

.shape-2 {
    width: 300px;
    height: 300px;
    bottom: -150px;
    left: -100px;
    animation-delay: -5s;
}

.shape-3 {
    width: 200px;
    height: 200px;
    top: 50%;
    left: 20%;
    animation-delay: -10s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    33% { transform: translate(30px, -30px) rotate(120deg); }
    66% { transform: translate(-20px, 20px) rotate(240deg); }
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 8px 20px;
    border-radius: 50px;
    color: var(--white);
    font-weight: 600;
    font-size: 14px;
    margin-bottom: 24px;
}

.badge-icon {
    font-size: 18px;
}

.hero-title {
    font-family: 'Poppins', sans-serif;
    font-size: 56px;
    font-weight: 900;
    line-height: 1.1;
    color: var(--white);
    margin-bottom: 24px;
    letter-spacing: -1px;
}

.gradient-text {
    background: linear-gradient(135deg, #60a5fa 0%, #3b82f6 50%, #2563eb 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 18px;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 32px;
    max-width: 90%;
}

.hero-features {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 32px;
}

.mini-feature {
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 10px 16px;
    border-radius: 8px;
    color: var(--white);
    font-size: 14px;
    font-weight: 600;
}

.mini-icon {
    font-size: 18px;
}

.hero-cta {
    display: flex;
    gap: 16px;
    margin-bottom: 48px;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: var(--gradient-danger);
    color: var(--white);
    padding: 16px 32px;
    border-radius: 12px;
    font-weight: 700;
    font-size: 16px;
    text-decoration: none;
    box-shadow: 0 10px 30px rgba(220, 38, 38, 0.4);
    transition: var(--transition);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(220, 38, 38, 0.5);
}

.btn-arrow {
    font-size: 20px;
    font-weight: 900;
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    padding: 16px 32px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.3);
    color: var(--white);
    font-weight: 700;
    text-decoration: none;
    transition: var(--transition);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.5);
}

.trust-badges {
    display: flex;
    gap: 40px;
}

.trust-item {
    text-align: left;
}

.trust-number {
    font-family: 'Poppins', sans-serif;
    font-size: 36px;
    font-weight: 900;
    color: var(--white);
    line-height: 1;
    margin-bottom: 8px;
}

.trust-label {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
}

/* App Mockup */
.app-mockup {
    background: var(--white);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    transform: perspective(1000px) rotateY(-5deg);
    transition: var(--transition);
}

.app-mockup:hover {
    transform: perspective(1000px) rotateY(0deg) scale(1.02);
}

.mockup-header {
    background: var(--gray-100);
    padding: 16px 20px;
    display: flex;
    align-items: center;
    gap: 16px;
    border-bottom: 1px solid var(--gray-200);
}

.mockup-dots {
    display: flex;
    gap: 8px;
}

.mockup-dots span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--gray-300);
}

.mockup-dots span:nth-child(1) {
    background: #ff5f57;
}

.mockup-dots span:nth-child(2) {
    background: #ffbd2e;
}

.mockup-dots span:nth-child(3) {
    background: #28ca42;
}

.mockup-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--gray-600);
}

.mockup-content {
    padding: 24px;
}

.status-cards {
    display: grid;
    gap: 12px;
    margin-bottom: 20px;
}

.status-card {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px;
    border-radius: 12px;
    color: var(--white);
    transition: var(--transition);
}

.status-card:hover {
    transform: translateX(8px);
}

.status-card.danger {
    background: var(--gradient-danger);
    box-shadow: 0 8px 20px rgba(220, 38, 38, 0.3);
}

.status-card.warning {
    background: var(--gradient-gold);
    box-shadow: 0 8px 20px rgba(245, 158, 11, 0.3);
}

.status-card.success {
    background: var(--gradient-success);
    box-shadow: 0 8px 20px rgba(16, 185, 129, 0.3);
}

.card-icon {
    font-size: 28px;
}

.card-number {
    font-size: 32px;
    font-weight: 900;
    line-height: 1;
}

.card-label {
    font-size: 14px;
    opacity: 0.9;
    font-weight: 600;
}

.workflow-demo {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 16px;
    background: var(--gray-50);
    border-radius: 12px;
}

.workflow-step {
    padding: 8px 16px;
    background: var(--white);
    border: 2px solid var(--gray-200);
    border-radius: 8px;
    font-size: 12px;
    font-weight: 700;
    color: var(--gray-600);
}

.workflow-step.active {
    background: var(--gradient-primary);
    border-color: var(--primary);
    color: var(--white);
}

.workflow-arrow {
    font-size: 16px;
    color: var(--gray-400);
    font-weight: 900;
}

/* =============================================
   PROBLEM SOLUTION
   ============================================= */
.problem-solution {
    padding: 80px 0;
    background: var(--gray-50);
}

.section-intro {
    text-align: center;
    margin-bottom: 60px;
}

.section-intro.centered {
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.section-tag {
    display: inline-block;
    padding: 8px 20px;
    border-radius: 50px;
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 16px;
}

.section-tag.primary {
    background: rgba(37, 99, 235, 0.1);
    color: var(--primary);
}

.section-tag.secondary {
    background: rgba(245, 158, 11, 0.1);
    color: var(--accent);
}

.section-tag.success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
}

.section-tag.danger {
    background: rgba(220, 38, 38, 0.1);
    color: var(--secondary);
}

.section-tag.tech {
    background: rgba(100, 100, 100, 0.1);
    color: var(--gray-700);
}

.section-title {
    font-family: 'Poppins', sans-serif;
    font-size: 40px;
    font-weight: 900;
    line-height: 1.2;
    color: var(--gray-900);
    margin-bottom: 16px;
}

.section-description {
    font-size: 18px;
    color: var(--gray-600);
    line-height: 1.7;
}

.problems-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.problem-item {
    background: var(--white);
    padding: 32px;
    border-radius: 16px;
    border: 2px solid var(--gray-200);
    text-align: center;
    transition: var(--transition);
}

.problem-item:hover {
    border-color: var(--secondary);
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.problem-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.problem-item h3 {
    font-size: 20px;
    font-weight: 800;
    margin-bottom: 12px;
    color: var(--gray-900);
}

.problem-item p {
    color: var(--gray-600);
    line-height: 1.6;
}

/* =============================================
   RESOURCES
   ============================================= */
.resources {
    padding: 80px 0;
    background: var(--white);
}

.resources-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: 32px;
}

.resource-category {
    background: var(--gray-50);
    border-radius: 20px;
    padding: 32px;
    border: 2px solid var(--gray-200);
    transition: var(--transition);
}

.resource-category:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-lg);
}

.category-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 24px;
    padding-bottom: 20px;
    border-bottom: 2px solid var(--gray-200);
}

.category-icon {
    font-size: 40px;
}

.category-header h3 {
    font-size: 24px;
    font-weight: 800;
    color: var(--gray-900);
}

.category-features {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.feature-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.feature-check {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--gradient-primary);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 900;
    font-size: 14px;
    flex-shrink: 0;
}

.feature-content strong {
    display: block;
    font-size: 16px;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 4px;
}

.feature-content p {
    font-size: 14px;
    color: var(--gray-600);
    line-height: 1.6;
}

/* =============================================
   HOW IT WORKS - TIMELINE
   ============================================= */
.how-it-works {
    padding: 80px 0;
    background: var(--gradient-hero);
    color: var(--white);
}

.how-it-works .section-title {
    color: var(--white);
}

.timeline {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 30px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: rgba(255, 255, 255, 0.2);
}

.timeline-item {
    display: flex;
    gap: 32px;
    margin-bottom: 48px;
    position: relative;
}

.timeline-number {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--gradient-danger);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 900;
    flex-shrink: 0;
    box-shadow: 0 8px 20px rgba(220, 38, 38, 0.4);
    position: relative;
    z-index: 1;
}

.timeline-content h3 {
    font-size: 24px;
    font-weight: 800;
    margin-bottom: 12px;
    color: var(--white);
}

.timeline-content p {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.7;
}

/* =============================================
   DIFFERENTIALS
   ============================================= */
.differentials {
    padding: 80px 0;
    background: var(--white);
}

.diff-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 32px;
}

.diff-card {
    padding: 32px;
    background: var(--gray-50);
    border-radius: 20px;
    border: 2px solid var(--gray-200);
    transition: var(--transition);
}

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

.diff-card.highlight {
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.05) 0%, rgba(59, 130, 246, 0.05) 100%);
    border-color: var(--primary);
    border-width: 3px;
}

.diff-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.diff-card h3 {
    font-size: 22px;
    font-weight: 800;
    margin-bottom: 12px;
    color: var(--gray-900);
}

.diff-card p {
    font-size: 15px;
    color: var(--gray-600);
    line-height: 1.7;
}

/* =============================================
   TECH STACK
   ============================================= */
.tech-stack {
    padding: 80px 0;
    background: var(--gray-50);
}

.stack-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
    max-width: 1000px;
    margin: 0 auto;
}

.stack-category {
    background: var(--white);
    padding: 32px;
    border-radius: 16px;
    border: 2px solid var(--gray-200);
}

.stack-category h3 {
    font-size: 20px;
    font-weight: 800;
    margin-bottom: 20px;
    color: var(--gray-900);
}

.tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.tech-tag {
    padding: 8px 16px;
    background: var(--gray-100);
    border: 1px solid var(--gray-300);
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    color: var(--gray-700);
}

/* =============================================
   PRICING - PLANO ÚNICO
   ============================================= */
.pricing {
    padding: 80px 0;
    background: var(--white);
}

.pricing-single {
    max-width: 900px;
    margin: 0 auto;
}

.single-price-card {
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.03) 0%, var(--white) 100%);
    border: 3px solid var(--primary);
    border-radius: 32px;
    padding: 60px;
    position: relative;
    box-shadow: var(--shadow-xl);
}

.price-badge {
    position: absolute;
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-primary);
    color: var(--white);
    padding: 12px 32px;
    border-radius: 50px;
    font-size: 16px;
    font-weight: 800;
    box-shadow: 0 8px 20px rgba(37, 99, 235, 0.4);
}

.price-breakdown {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 40px;
    margin-bottom: 48px;
    padding: 40px;
    background: var(--white);
    border-radius: 20px;
    border: 2px solid var(--gray-200);
}

.setup-price,
.monthly-price {
    text-align: center;
    flex: 1;
}

.setup-label,
.monthly-label {
    font-size: 14px;
    font-weight: 700;
    color: var(--gray-600);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 16px;
}

.setup-value,
.monthly-value {
    margin-bottom: 12px;
}

.setup-value .currency,
.monthly-value .currency {
    font-size: 28px;
    font-weight: 700;
    color: var(--gray-600);
}

.setup-value .amount {
    font-size: 64px;
    font-weight: 900;
    color: var(--secondary);
    font-family: 'Poppins', sans-serif;
    line-height: 1;
}

.monthly-value .amount {
    font-size: 72px;
    font-weight: 900;
    color: var(--primary);
    font-family: 'Poppins', sans-serif;
    line-height: 1;
}

.monthly-value .period {
    font-size: 20px;
    color: var(--gray-600);
    font-weight: 600;
}

.setup-note,
.monthly-note {
    font-size: 13px;
    color: var(--gray-500);
    font-weight: 600;
}

.price-arrow {
    font-size: 48px;
    color: var(--primary);
    font-weight: 900;
}

.included-features {
    margin-bottom: 40px;
}

.included-features h4 {
    font-size: 22px;
    font-weight: 800;
    color: var(--gray-900);
    margin-bottom: 24px;
    text-align: center;
}

.features-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
}

.feature-col ul {
    list-style: none;
}

.feature-col li {
    padding: 10px 0;
    color: var(--gray-700);
    font-size: 15px;
    font-weight: 600;
    border-bottom: 1px solid var(--gray-200);
}

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

.btn-plan-single {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    width: 100%;
    padding: 20px 40px;
    background: var(--gradient-primary);
    color: var(--white);
    text-align: center;
    border-radius: 16px;
    font-weight: 800;
    font-size: 18px;
    text-decoration: none;
    transition: var(--transition);
    box-shadow: 0 10px 30px rgba(37, 99, 235, 0.3);
    margin-bottom: 24px;
}

.btn-plan-single:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(37, 99, 235, 0.4);
}

.btn-plan-single .btn-arrow {
    font-size: 24px;
    font-weight: 900;
}

.plan-guarantees {
    display: flex;
    justify-content: center;
    gap: 32px;
    flex-wrap: wrap;
    font-size: 14px;
    color: var(--gray-600);
    font-weight: 600;
}

/* =============================================
   FINAL CTA
   ============================================= */
.final-cta {
    padding: 80px 0;
    background: var(--gradient-hero);
}

.cta-box {
    max-width: 900px;
    margin: 0 auto;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 24px;
    padding: 60px;
}

.cta-content h2 {
    font-family: 'Poppins', sans-serif;
    font-size: 42px;
    font-weight: 900;
    color: var(--white);
    text-align: center;
    margin-bottom: 16px;
}

.cta-content > p {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.85);
    text-align: center;
    margin-bottom: 40px;
}

.demo-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.demo-form input {
    padding: 16px 20px;
    border-radius: 12px;
    border: 2px solid rgba(255, 255, 255, 0.2);
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    color: var(--white);
    font-size: 15px;
    font-weight: 500;
    transition: var(--transition);
}

.demo-form input::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.demo-form input:focus {
    outline: none;
    border-color: var(--white);
    background: rgba(255, 255, 255, 0.15);
}

.btn-submit {
    padding: 18px 32px;
    background: var(--gradient-danger);
    border: none;
    color: var(--white);
    font-size: 18px;
    font-weight: 800;
    border-radius: 12px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    transition: var(--transition);
    box-shadow: 0 10px 30px rgba(220, 38, 38, 0.4);
}

.btn-submit:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(220, 38, 38, 0.5);
}

.cta-trust {
    display: flex;
    justify-content: center;
    gap: 24px;
    margin-top: 24px;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    flex-wrap: wrap;
}

/* =============================================
   FOOTER
   ============================================= */
.footer {
    padding: 60px 0 30px;
    background: var(--gray-900);
    color: rgba(255, 255, 255, 0.7);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 40px;
}

.footer-brand .brand {
    margin-bottom: 16px;
    color: var(--white);
}

.footer-brand p {
    line-height: 1.7;
    margin-bottom: 20px;
}

.footer-social {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-social a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: var(--transition);
}

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

.footer-links h4 {
    color: var(--white);
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 20px;
}

.footer-links a {
    display: block;
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    margin-bottom: 12px;
    transition: var(--transition);
    font-size: 14px;
}

.footer-links a:hover {
    color: var(--white);
    padding-left: 4px;
}

.footer-bottom {
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.5);
}

/* =============================================
   WHATSAPP FLOAT
   ============================================= */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 64px;
    height: 64px;
    background: #25d366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 24px rgba(37, 211, 102, 0.4);
    z-index: 999;
    transition: var(--transition);
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 12px 32px rgba(37, 211, 102, 0.5);
}

.whatsapp-float svg {
    width: 36px;
    height: 36px;
}

/* =============================================
   ANIMATIONS
   ============================================= */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* =============================================
   RESPONSIVE
   ============================================= */
@media (max-width: 1200px) {
    .container {
        padding: 0 20px;
    }
    
    .resources-container {
        grid-template-columns: 1fr;
    }
    
    .stack-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 1024px) {
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .hero-visual {
        order: -1;
    }
    
    .app-mockup {
        transform: perspective(1000px) rotateY(0deg);
        max-width: 500px;
        margin: 0 auto;
    }
    
    .resources-container {
        grid-template-columns: 1fr;
    }
    
    .resource-category {
        padding: 24px;
    }
    
    .diff-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 16px;
    }
    
    .nav-menu {
        display: none;
    }
    
    .navbar {
        padding: 0;
    }
    
    .nav-wrapper {
        padding: 16px 0;
    }
    
    .brand {
        font-size: 20px;
    }
    
    .brand-icon {
        font-size: 24px;
    }
    
    .hero {
        padding: 100px 0 60px;
    }
    
    .hero-title {
        font-size: 32px;
        margin-bottom: 16px;
    }
    
    .hero-subtitle {
        font-size: 16px;
        max-width: 100%;
    }
    
    .hero-features {
        gap: 12px;
    }
    
    .mini-feature {
        font-size: 13px;
        padding: 8px 12px;
    }
    
    .hero-cta {
        flex-direction: column;
        gap: 12px;
    }
    
    .btn-primary,
    .btn-secondary {
        width: 100%;
        justify-content: center;
        padding: 14px 24px;
        font-size: 15px;
    }
    
    .trust-badges {
        flex-wrap: wrap;
        gap: 24px;
        justify-content: space-around;
    }
    
    .trust-number {
        font-size: 28px;
    }
    
    .app-mockup {
        max-width: 100%;
    }
    
    .mockup-content {
        padding: 16px;
    }
    
    .workflow-demo {
        flex-wrap: wrap;
        gap: 8px;
    }
    
    .workflow-step {
        font-size: 11px;
        padding: 6px 12px;
    }
    
    .workflow-arrow {
        display: none;
    }
    
    .section-title {
        font-size: 28px;
    }
    
    .section-description {
        font-size: 16px;
    }
    
    .problem-solution,
    .resources,
    .how-it-works,
    .differentials,
    .tech-stack,
    .pricing,
    .final-cta {
        padding: 60px 0;
    }
    
    .problems-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .problem-item {
        padding: 24px;
    }
    
    .resources-container {
        gap: 20px;
    }
    
    .resource-category {
        padding: 20px;
    }
    
    .category-header h3 {
        font-size: 20px;
    }
    
    .category-icon {
        font-size: 32px;
    }
    
    .timeline-item {
        gap: 20px;
        margin-bottom: 32px;
    }
    
    .timeline-number {
        width: 50px;
        height: 50px;
        font-size: 20px;
    }
    
    .timeline-content h3 {
        font-size: 20px;
    }
    
    .timeline-content p {
        font-size: 15px;
    }
    
    .diff-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .diff-card {
        padding: 24px;
    }
    
    .diff-card h3 {
        font-size: 19px;
    }
    
    .diff-icon {
        font-size: 40px;
    }
    
    .stack-grid {
        gap: 20px;
    }
    
    .stack-category {
        padding: 24px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .footer {
        padding: 40px 0 20px;
    }
    
    .cta-box {
        padding: 40px 20px;
    }
    
    .cta-content h2 {
        font-size: 32px;
    }
    
    .cta-content > p {
        font-size: 16px;
    }
    
    .timeline::before {
        left: 20px;
    }
    
    .single-price-card {
        padding: 40px 20px;
    }
    
    .price-breakdown {
        flex-direction: column;
        gap: 20px;
        padding: 20px;
    }
    
    .price-arrow {
        font-size: 36px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .setup-value .amount {
        font-size: 52px;
    }
    
    .monthly-value .amount {
        font-size: 56px;
    }
    
    .included-features h4 {
        font-size: 19px;
    }
    
    .feature-col li {
        font-size: 14px;
    }
    
    .whatsapp-float {
        width: 56px;
        height: 56px;
        bottom: 20px;
        right: 20px;
    }
    
    .whatsapp-float svg {
        width: 30px;
        height: 30px;
    }
}

@media (max-width: 640px) {
    .hero-title {
        font-size: 26px;
    }
    
    .section-title {
        font-size: 24px;
    }
    
    .hero-badge {
        font-size: 13px;
        padding: 6px 16px;
    }
    
    .card-number {
        font-size: 24px;
    }
    
    .card-label {
        font-size: 12px;
    }
    
    .setup-value .amount {
        font-size: 44px;
    }
    
    .monthly-value .amount {
        font-size: 48px;
    }
    
    .setup-value .currency,
    .monthly-value .currency {
        font-size: 20px;
    }
    
    .monthly-value .period {
        font-size: 16px;
    }
    
    .cta-content h2 {
        font-size: 26px;
    }
    
    .btn-submit {
        font-size: 16px;
        padding: 16px 24px;
    }
    
    .price-badge {
        font-size: 14px;
        padding: 10px 24px;
        top: -18px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 24px;
    }
    
    .section-title {
        font-size: 22px;
    }
    
    .trust-badges {
        flex-direction: column;
        align-items: center;
        gap: 16px;
    }
    
    .mini-feature {
        flex: 1 1 100%;
        justify-content: center;
    }
    
    .cta-trust {
        flex-direction: column;
        gap: 12px;
    }
}