/* ========================================
   GDA Landing Page - Stylesheet
   Paleta: Azul Marinho #0a2540, Azul Tech #00d4ff, Branco
   ======================================== */

/* CSS Variables */
:root {
    --color-primary: #0a2540;
    --color-primary-light: #1e4a6e;
    --color-accent: #00d4ff;
    --color-accent-light: #4ecdc4;
    --color-white: #ffffff;
    --color-gray-light: #f5f7fa;
    --color-gray: #5a6a7a;
    --color-gray-dark: #3a4a5a;
    
    --font-primary: 'Inter', sans-serif;
    --font-secondary: 'Playfair Display', serif;
    
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.15);
    
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    
    --transition: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    font-weight: 400;
    line-height: 1.6;
    color: var(--color-primary);
    background-color: var(--color-white);
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

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

/* Container */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    color: var(--color-primary);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    font-family: var(--font-primary);
    font-size: 15px;
    font-weight: 600;
    border-radius: var(--radius-sm);
    border: none;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
}

.btn .icon {
    width: 18px;
    height: 18px;
}

.btn-primary {
    background: linear-gradient(90deg, var(--color-accent) 0%, var(--color-accent-light) 100%);
    color: var(--color-primary);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 212, 255, 0.35);
}

.btn-outline {
    background: transparent;
    color: var(--color-white);
    border: 2px solid rgba(255, 255, 255, 0.4);
}

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

.btn-white {
    background: var(--color-white);
    color: var(--color-primary);
}

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

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

.btn-outline-white:hover {
    background: var(--color-white);
    color: var(--color-primary);
}

.btn-lg {
    padding: 18px 36px;
    font-size: 16px;
}

/* Section Styles */
.section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px;
}

.section-badge {
    display: inline-block;
    padding: 8px 16px;
    background: rgba(0, 212, 255, 0.1);
    color: var(--color-accent);
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: 20px;
    margin-bottom: 20px;
}

.section-title {
    font-family: var(--font-secondary);
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--color-primary);
}

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

.text-accent {
    color: var(--color-accent);
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: transparent;
    transition: var(--transition);
    padding: 20px 0;
}

.header.scrolled {
    background: rgba(10, 37, 64, 0.95);
    backdrop-filter: blur(10px);
    padding: 15px 0;
    box-shadow: var(--shadow-md);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-img {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    object-fit: cover;
}

.logo-text {
    font-family: var(--font-secondary);
    font-size: 24px;
    font-weight: 700;
    color: var(--color-white);
}

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

.nav-link {
    font-size: 15px;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.85);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-accent);
    transition: var(--transition);
}

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

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

.btn-nav {
    padding: 12px 24px;
    font-size: 14px;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.nav-toggle span {
    width: 25px;
    height: 2px;
    background: var(--color-white);
    transition: var(--transition);
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 140px 0 80px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    z-index: -2;
}

.hero-particles {
    position: absolute;
    inset: 0;
    z-index: -1;
    opacity: 0.3;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-badge {
    display: inline-block;
    padding: 10px 20px;
    background: rgba(0, 212, 255, 0.15);
    color: var(--color-accent);
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    border-radius: 30px;
    margin-bottom: 24px;
    border: 1px solid rgba(0, 212, 255, 0.3);
}

.hero-title {
    font-family: var(--font-secondary);
    font-size: 42px;
    font-weight: 700;
    color: var(--color-white);
    line-height: 1.15;
    margin-bottom: 24px;
}

.hero-subtitle {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.7;
    margin-bottom: 36px;
    max-width: 500px;
}

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

.hero-stats {
    display: flex;
    gap: 40px;
}

.stat {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: 32px;
    font-weight: 700;
    color: var(--color-accent);
}

.stat-label {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.7);
    margin-top: 4px;
}

.hero-image {
    position: relative;
}

.hero-img {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.hero-float-card {
    position: absolute;
    bottom: 30px;
    left: -30px;
    background: var(--color-white);
    padding: 16px 20px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 14px;
    animation: float 3s ease-in-out infinite;
}

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

.float-icon {
    width: 44px;
    height: 44px;
    background: rgba(0, 212, 255, 0.15);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-accent);
}

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

.float-text {
    display: flex;
    flex-direction: column;
}

.float-text strong {
    font-size: 14px;
    color: var(--color-primary);
}

.float-text span {
    font-size: 12px;
    color: var(--color-gray);
}

.hero-scroll {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
}

.scroll-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: rgba(255, 255, 255, 0.6);
    font-size: 13px;
}

.scroll-indicator svg {
    width: 20px;
    height: 20px;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-8px); }
    60% { transform: translateY(-4px); }
}

/* Problema Section */
.problema {
    background: var(--color-white);
}

.problema-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-bottom: 60px;
}

.problema-card {
    background: var(--color-gray-light);
    padding: 32px 24px;
    border-radius: var(--radius-md);
    text-align: center;
    transition: var(--transition);
}

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

.problema-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-light) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: var(--color-primary);
}

.problema-icon svg {
    width: 28px;
    height: 28px;
}

.problema-card h3 {
    font-size: 18px;
    margin-bottom: 12px;
    color: var(--color-primary);
}

.problema-card p {
    font-size: 14px;
    color: var(--color-gray);
    line-height: 1.6;
}

.problema-image-wrapper {
    max-width: 800px;
    margin: 0 auto;
}

.problema-image {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

/* Solução Section */
.solucao {
    background: var(--color-gray-light);
}

.solucao-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.solucao-text .section-title {
    font-size: 38px;
}

.solucao-features {
    margin-top: 40px;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

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

.feature-icon {
    width: 48px;
    height: 48px;
    min-width: 48px;
    background: var(--color-white);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-accent);
    box-shadow: var(--shadow-sm);
}

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

.feature-text h4 {
    font-size: 17px;
    margin-bottom: 6px;
    color: var(--color-primary);
}

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

.solucao-image {
    display: flex;
    justify-content: center;
}

.solucao-img {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    max-width: 100%;
}

/* Como Funciona Section */
.como-funciona {
    background: var(--color-white);
}

.processo-timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.timeline-line {
    position: absolute;
    left: 35px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, var(--color-accent) 0%, var(--color-accent-light) 100%);
}

.processo-step {
    display: flex;
    gap: 30px;
    margin-bottom: 40px;
    position: relative;
}

.processo-step:last-child {
    margin-bottom: 0;
}

.step-number {
    width: 70px;
    height: 70px;
    min-width: 70px;
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-light) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: 700;
    color: var(--color-primary);
    position: relative;
    z-index: 1;
    box-shadow: 0 4px 15px rgba(0, 212, 255, 0.3);
}

.step-content {
    background: var(--color-gray-light);
    padding: 28px 32px;
    border-radius: var(--radius-md);
    flex: 1;
    transition: var(--transition);
}

.step-content:hover {
    transform: translateX(8px);
    box-shadow: var(--shadow-md);
}

.step-icon {
    width: 44px;
    height: 44px;
    background: var(--color-white);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-accent);
    margin-bottom: 16px;
}

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

.step-content h3 {
    font-size: 20px;
    margin-bottom: 10px;
    color: var(--color-primary);
}

.step-content p {
    font-size: 15px;
    color: var(--color-gray);
    line-height: 1.6;
}

/* Benefícios Section */
.beneficios {
    background: linear-gradient(180deg, var(--color-white) 0%, var(--color-gray-light) 100%);
}

.beneficios-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.beneficio-card {
    background: var(--color-white);
    padding: 36px 28px;
    border-radius: var(--radius-md);
    text-align: center;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.beneficio-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

.beneficio-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.15) 0%, rgba(78, 205, 196, 0.15) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: var(--color-accent);
}

.beneficio-icon svg {
    width: 32px;
    height: 32px;
}

.beneficio-card h3 {
    font-size: 19px;
    margin-bottom: 12px;
    color: var(--color-primary);
}

.beneficio-card p {
    font-size: 14px;
    color: var(--color-gray);
    line-height: 1.6;
}

/* Funcionalidades Section */
.funcionalidades {
    background: var(--color-gray-light);
}

.funcionalidades-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

.funcionalidade-bloco {
    background: var(--color-white);
    padding: 40px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.bloco-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 28px;
    padding-bottom: 20px;
    border-bottom: 2px solid var(--color-gray-light);
}

.bloco-icon {
    width: 54px;
    height: 54px;
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-light) 100%);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
}

.bloco-icon svg {
    width: 26px;
    height: 26px;
}

.bloco-header h3 {
    font-size: 22px;
    color: var(--color-primary);
}

.funcionalidade-lista {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.funcionalidade-lista li {
    display: flex;
    align-items: flex-start;
    gap: 14px;
}

.funcionalidade-lista li svg {
    width: 22px;
    height: 22px;
    min-width: 22px;
    color: var(--color-accent);
    margin-top: 2px;
}

.funcionalidade-lista li span {
    font-size: 15px;
    color: var(--color-gray);
    line-height: 1.5;
}

.funcionalidade-lista li strong {
    color: var(--color-primary);
}

/* Segurança Section */
.seguranca {
    background: var(--color-white);
}

.seguranca-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.seguranca-image {
    display: flex;
    justify-content: center;
}

.seguranca-img {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.seguranca-text .section-title {
    font-size: 36px;
}

.seguranca-cards {
    margin-top: 36px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.seguranca-card {
    display: flex;
    gap: 16px;
    align-items: flex-start;
    padding: 20px;
    background: var(--color-gray-light);
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.seguranca-card:hover {
    transform: translateX(6px);
    box-shadow: var(--shadow-sm);
}

.seguranca-card-icon {
    width: 44px;
    height: 44px;
    min-width: 44px;
    background: var(--color-white);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-accent);
    box-shadow: var(--shadow-sm);
}

.seguranca-card-icon svg {
    width: 22px;
    height: 22px;
}

.seguranca-card-text h4 {
    font-size: 16px;
    margin-bottom: 6px;
    color: var(--color-primary);
}

.seguranca-card-text p {
    font-size: 14px;
    color: var(--color-gray);
    line-height: 1.5;
}

/* Implementação Section */
.implementacao {
    background: var(--color-primary);
}

.implementacao .section-badge {
    background: rgba(0, 212, 255, 0.15);
}

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

.implementacao .section-subtitle {
    color: rgba(255, 255, 255, 0.7);
}

.implementacao-timeline {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 16px;
}

.impl-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    max-width: 140px;
}

.impl-number {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-light) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 16px;
    box-shadow: 0 4px 15px rgba(0, 212, 255, 0.3);
}

.impl-content h4 {
    font-size: 15px;
    color: var(--color-white);
    margin-bottom: 6px;
}

.impl-content p {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.4;
}

.impl-arrow {
    color: var(--color-accent);
}

.impl-arrow svg {
    width: 24px;
    height: 24px;
}

/* CTA Final Section */
.cta-final {
    position: relative;
    padding: 120px 0;
    overflow: hidden;
}

.cta-bg {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-light) 100%);
    z-index: -1;
}

.cta-content {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.cta-title {
    font-family: var(--font-secondary);
    font-size: 42px;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 20px;
}

.cta-subtitle {
    font-size: 18px;
    color: rgba(10, 37, 64, 0.8);
    margin-bottom: 40px;
    line-height: 1.6;
}

.cta-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    margin-bottom: 48px;
    flex-wrap: wrap;
}

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

.cta-contato p {
    font-size: 14px;
    color: rgba(10, 37, 64, 0.7);
    margin-bottom: 12px;
}

.cta-whatsapp {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 18px;
    font-weight: 600;
    color: var(--color-primary);
    transition: var(--transition);
}

.cta-whatsapp svg {
    width: 24px;
    height: 24px;
}

.cta-whatsapp:hover {
    transform: scale(1.05);
}

/* Footer */
.footer {
    background: var(--color-primary);
    padding: 80px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 2fr;
    gap: 60px;
    margin-bottom: 50px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
}

.footer-logo-img {
    width: 50px;
    height: 50px;
    border-radius: 50%;
}

.footer-logo-text {
    font-family: var(--font-secondary);
    font-size: 18px;
    font-weight: 700;
    color: var(--color-white);
}

.footer-desc {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.7;
    max-width: 320px;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

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

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

.footer-col a {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition);
}

.footer-col a:hover {
    color: var(--color-accent);
}

.footer-whatsapp {
    display: flex;
    align-items: center;
    gap: 8px;
}

.footer-whatsapp svg {
    width: 18px;
    height: 18px;
}

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

.footer-bottom p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.5);
}

/* Scroll Reveal Animation */
.reveal {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

@media (max-width: 1024px) {
    .section {
        padding: 80px 0;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        gap: 50px;
    }
    
    .hero-title {
        font-size: 42px;
    }
    
    .hero-image {
        order: -1;
    }
    
    .solucao-content,
    .seguranca-content {
        grid-template-columns: 1fr;
        gap: 50px;
    }
    
    .solucao-image,
    .seguranca-image {
        order: -1;
    }
    
    .problema-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .beneficios-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .funcionalidades-content {
        grid-template-columns: 1fr;
    }
    
    .section-title {
        font-size: 36px;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 300px;
        height: 100vh;
        background: var(--color-primary);
        flex-direction: column;
        padding: 100px 30px 30px;
        transition: var(--transition);
        gap: 24px;
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .nav-toggle {
        display: flex;
        z-index: 1001;
    }
    
    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }
    
    .btn-nav {
        display: none;
    }
    
    .hero {
        padding: 120px 0 60px;
        min-height: auto;
    }
    
    .hero-title {
        font-size: 32px;
    }
    
    .hero-subtitle {
        font-size: 16px;
    }
    
    .hero-ctas {
        flex-direction: column;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 24px;
    }
    
    .hero-float-card {
        display: none;
    }
    
    .section {
        padding: 60px 0;
    }
    
    .section-title {
        font-size: 28px;
    }
    
    .section-subtitle {
        font-size: 16px;
    }
    
    .problema-grid {
        grid-template-columns: 1fr;
    }
    
    .beneficios-grid {
        grid-template-columns: 1fr;
    }
    
    .timeline-line {
        left: 25px;
    }
    
    .step-number {
        width: 50px;
        height: 50px;
        min-width: 50px;
        font-size: 16px;
    }
    
    .processo-step {
        gap: 20px;
    }
    
    .step-content {
        padding: 20px 24px;
    }
    
    .funcionalidade-bloco {
        padding: 28px;
    }
    
    .implementacao-timeline {
        flex-direction: column;
        gap: 30px;
    }
    
    .impl-arrow {
        transform: rotate(90deg);
    }
    
    .impl-step {
        max-width: 100%;
        flex-direction: row;
        text-align: left;
        gap: 20px;
        width: 100%;
    }
    
    .impl-number {
        margin-bottom: 0;
    }
    
    .cta-title {
        font-size: 28px;
    }
    
    .cta-buttons {
        flex-direction: column;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }
    
    .hero-title {
        font-size: 28px;
    }
    
    .section-title {
        font-size: 24px;
    }
    
    .btn-lg {
        padding: 16px 28px;
        font-size: 15px;
    }
    
    .funcionalidade-bloco {
        padding: 24px 20px;
    }
    
    .bloco-header h3 {
        font-size: 18px;
    }
}

/* Particles Animation */
.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: rgba(0, 212, 255, 0.4);
    border-radius: 50%;
    animation: particle-float 15s infinite linear;
}

@keyframes particle-float {
    0% {
        transform: translateY(100vh) rotate(0deg);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: translateY(-100vh) rotate(720deg);
        opacity: 0;
    }
}