/* ============================================
   LANDING PAGE PREMIUM - STYLES.CSS
   Design Philosophy: Modern Premium + Teal Gradient + Subtle Grain
   Color: Teal/Ciano (#14b8a6) + Deep Blue (#0f172a) + Ice White (#f8fafc)
   Typography: Poppins (body) + Baloo Bhai 2 (hero title)
   Animations: 300-400ms smooth transitions, IntersectionObserver fade/slide
   ============================================ */

/* ============================================
   RESET & BASE STYLES
   ============================================ */

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: #1e293b;
    background: linear-gradient(135deg, #f0f9ff 0%, #f8fafc 50%, #ecfdf5 100%);
    background-attachment: fixed;
    position: relative;
}

/* Subtle Grain Texture Overlay */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        url("data:image/svg+xml,%3Csvg viewBox='0 0 400 400' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' seed='2' /%3E%3C/filter%3E%3Crect width='400' height='400' filter='url(%23noiseFilter)' opacity='0.03'/%3E%3C/svg%3E");
    pointer-events: none;
    z-index: 1;
}

body > * {
    position: relative;
    z-index: 2;
}

/* Respecto a prefers-reduced-motion */
@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* ============================================
   TYPOGRAPHY
   ============================================ */

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    color: #0f172a;
}

h1 {
    font-size: 3.5rem;
    font-weight: 800;
    letter-spacing: -0.02em;
}

h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

h3 {
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
}

p {
    margin-bottom: 1rem;
    color: #475569;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 300ms ease;
}

/* ============================================
   BUTTONS
   ============================================ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    border: none;
    cursor: pointer;
    transition: all 350ms cubic-bezier(0.34, 1.56, 0.64, 1);
    box-shadow: 0 4px 15px rgba(20, 184, 166, 0.15);
    text-decoration: none;
    white-space: nowrap;
}

.btn-primary {
    background: linear-gradient(135deg, #14b8a6 0%, #0d9488 100%);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(20, 184, 166, 0.3);
}

.btn-primary:active {
    transform: translateY(-1px);
}

.btn-outline {
    background: white;
    color: #14b8a6;
    border: 2px solid #14b8a6;
    box-shadow: 0 2px 10px rgba(20, 184, 166, 0.1);
}

.btn-outline:hover {
    background: #f0fdfa;
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(20, 184, 166, 0.2);
}

.btn-small {
    padding: 0.5rem 1.25rem;
    font-size: 0.9rem;
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

/* ============================================
   HEADER
   ============================================ */

.header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(20, 184, 166, 0.1);
    transition: all 300ms ease;
}

.header.scrolled {
    background: rgba(255, 255, 255, 0.85);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
}

.logo {
    flex-shrink: 0;
}

.logo-img {
    height: 60px;
    width: auto;
}

.nav-links {
    display: flex;
    gap: 2rem;
    flex: 1;
}

.nav-link {
    font-weight: 500;
    color: #475569;
    position: relative;
    transition: color 300ms ease;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: #14b8a6;
    transition: width 300ms ease;
}

.nav-link:hover {
    color: #14b8a6;
}

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

@media (max-width: 768px) {
    .header-container {
        padding: 1rem;
        gap: 1rem;
    }
    
    .nav-links {
        display: none;
    }
}

/* ============================================
   HERO SECTION
   ============================================ */

.hero {
    padding: 6rem 2rem;
    background: linear-gradient(135deg, rgba(20, 184, 166, 0.05) 0%, rgba(15, 23, 42, 0.02) 100%);
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-content {
    animation: fadeInUp 800ms ease-out;
}

.hero-title {
    font-family: 'Baloo Bhai 2', sans-serif;
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    color: #0f172a;
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: #475569;
    margin-bottom: 2rem;
    line-height: 1.8;
}

/* Hero Bullets */
.hero-bullets {
    list-style: none;
    margin-bottom: 2rem;
}

.hero-bullets li {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
    font-size: 1.05rem;
    color: #334155;
}

.hero-bullets i {
    color: #14b8a6;
    font-size: 1.3rem;
    flex-shrink: 0;
}

/* Proof Block */
.proof-block {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-bottom: 2.5rem;
    padding: 1.5rem;
    background: white;
    border-radius: 20px;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.05);
}

.proof-item {
    text-align: center;
}

.proof-item strong {
    display: block;
    font-size: 1.8rem;
    color: #14b8a6;
    margin-bottom: 0.25rem;
}

.proof-item span {
    display: block;
    font-size: 0.9rem;
    color: #64748b;
    font-weight: 500;
}

/* Hero CTAs */
.hero-ctas {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.hero-disclaimer {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.9rem;
    color: #64748b;
    background: #fef3c7;
    padding: 1rem;
    border-radius: 12px;
    border-left: 4px solid #f59e0b;
}

.hero-disclaimer i {
    color: #f59e0b;
    flex-shrink: 0;
}

/* Hero Image */
.hero-image {
    animation: fadeInRight 800ms ease-out 200ms both;
}

.hero-image-card {
    position: relative;
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 0 20px 50px rgba(20, 184, 166, 0.2);
    transition: transform 350ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

.hero-image-card:hover {
    transform: translateY(-8px);
}

.hero-image-card img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
    border-radius: 24px;
}

/* Responsive Hero */
@media (max-width: 768px) {
    .hero {
        padding: 3rem 1rem;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .proof-block {
        grid-template-columns: 1fr;
        gap: 1rem;
        padding: 1rem;
    }
    
    .hero-ctas {
        flex-direction: column;
    }
    
    .btn-large {
        width: 100%;
    }
}

/* ============================================
   SECTIONS (COMO FUNCIONA / O QUE RECEBE)
   ============================================ */

.section {
    padding: 5rem 2rem;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #0f172a;
}

.subtitle-accent {
    color: #64748b;
    font-weight: 500;
    font-size: 1.5rem;
}

/* Como Funciona Section */
.como-funciona {
    background: white;
}

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

.step-card {
    padding: 2rem;
    background: linear-gradient(135deg, #f0fdfa 0%, #f8fafc 100%);
    border-radius: 20px;
    text-align: center;
    border: 1px solid rgba(20, 184, 166, 0.1);
    transition: all 350ms cubic-bezier(0.34, 1.56, 0.64, 1);
    opacity: 0;
    animation: fadeInUp 600ms ease-out forwards;
}

.step-card:nth-child(1) { animation-delay: 0ms; }
.step-card:nth-child(2) { animation-delay: 150ms; }
.step-card:nth-child(3) { animation-delay: 300ms; }

.step-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 30px rgba(20, 184, 166, 0.15);
    border-color: #14b8a6;
}

.step-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #14b8a6 0%, #0d9488 100%);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    font-size: 1.8rem;
    color: white;
}

.step-card h3 {
    margin-bottom: 0.75rem;
    color: #0f172a;
}

.step-card p {
    color: #64748b;
    margin-bottom: 0;
}

.section-note {
    text-align: center;
    color: #64748b;
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.section-note i {
    color: #14b8a6;
}

/* O Que Recebe Section */
.o-que-recebe {
    background: linear-gradient(135deg, #f0f9ff 0%, #f8fafc 100%);
}

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

.benefits-column {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.benefit-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: white;
    border-radius: 16px;
    transition: all 300ms ease;
    opacity: 0;
    animation: fadeInLeft 600ms ease-out forwards;
}

.benefits-column:nth-child(1) .benefit-item:nth-child(1) { animation-delay: 0ms; }
.benefits-column:nth-child(1) .benefit-item:nth-child(2) { animation-delay: 100ms; }
.benefits-column:nth-child(1) .benefit-item:nth-child(3) { animation-delay: 200ms; }
.benefits-column:nth-child(2) .benefit-item:nth-child(1) { animation-delay: 150ms; }
.benefits-column:nth-child(2) .benefit-item:nth-child(2) { animation-delay: 250ms; }
.benefits-column:nth-child(2) .benefit-item:nth-child(3) { animation-delay: 350ms; }

.benefit-item:hover {
    background: linear-gradient(135deg, #f0fdfa 0%, #f8fafc 100%);
    transform: translateX(8px);
    box-shadow: 0 4px 15px rgba(20, 184, 166, 0.1);
}

.benefit-item i {
    color: #14b8a6;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.benefit-item span {
    color: #334155;
    font-weight: 500;
}

/* Bônus Box */
.bonus-box {
    background: linear-gradient(135deg, #14b8a6 0%, #0d9488 100%);
    color: white;
    padding: 2rem;
    border-radius: 20px;
    margin-bottom: 3rem;
    box-shadow: 0 12px 30px rgba(20, 184, 166, 0.25);
    opacity: 0;
    animation: fadeInUp 600ms ease-out 400ms both;
}

.bonus-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
}

.bonus-header i {
    font-size: 1.8rem;
}

.bonus-header h3 {
    color: white;
    margin-bottom: 0;
}

.bonus-box p {
    color: rgba(255, 255, 255, 0.95);
    margin-bottom: 0;
}

/* Final CTAs */
.final-ctas {
    text-align: center;
    opacity: 0;
    animation: fadeInUp 600ms ease-out 500ms both;
}

.cta-note {
    color: #64748b;
    font-size: 0.95rem;
    margin-top: 1rem;
}

/* Responsive Sections */
@media (max-width: 768px) {
    .section {
        padding: 3rem 1rem;
    }
    
    .section-title {
        font-size: 2rem;
        margin-bottom: 2rem;
    }
    
    .steps-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .benefits-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}

/* ============================================
   FOOTER
   ============================================ */

.footer {
    background: #0f172a;
    color: white;
    padding: 2rem;
    text-align: center;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
}

.footer-brand h3 {
    color: white;
    margin-bottom: 0.25rem;
}

.footer-brand p {
    color: #cbd5e1;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

.footer-address {
    font-size: 0.85rem;
    color: #94a3b8;
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    margin-top: 1rem;
}

.footer-address i {
    flex-shrink: 0;
    margin-top: 2px;
}

.footer-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: #14b8a6;
    font-weight: 600;
    transition: all 300ms ease;
}

.footer-link:hover {
    color: white;
    transform: translateX(4px);
}

@media (max-width: 768px) {
    .footer-container {
        flex-direction: column;
    }
}

/* ============================================
   WHATSAPP FLUTUANTE
   ============================================ */

.whatsapp-float {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #25d366 0%, #20ba5a 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: white;
    box-shadow: 0 8px 25px rgba(37, 211, 102, 0.4);
    transition: all 350ms cubic-bezier(0.34, 1.56, 0.64, 1);
    z-index: 99;
    animation: slideInUp 600ms ease-out 300ms both;
}

.whatsapp-float:hover {
    transform: scale(1.1) translateY(-4px);
    box-shadow: 0 12px 35px rgba(37, 211, 102, 0.5);
}

.whatsapp-float:active {
    transform: scale(0.95);
}

@media (max-width: 768px) {
    .whatsapp-float {
        width: 50px;
        height: 50px;
        font-size: 1.5rem;
        bottom: 1.5rem;
        right: 1.5rem;
    }
}

/* ============================================
   ANIMATIONS
   ============================================ */

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

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(40px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ============================================
   INTERSECTION OBSERVER ANIMATIONS
   ============================================ */

.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 600ms ease-out, transform 600ms ease-out;
}

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

/* ============================================
   UTILITY CLASSES
   ============================================ */

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

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }