/* ========================================
   AliveTeams — Styles
   Estética: confiança tranquila, sofisticação sem academicismo
   ======================================== */

/* CSS Variables */
:root {
    /* Colors — paleta minimalista viva, não neutra
       Baseada nas diretrizes de marketing AliveTeams:
       - Off-white quente (70%) — base
       - Cinzas orgânicos com subtom quente (20%)
       - Verde AliveTeams como acento estratégico (7-8%)
       - Verde profundo/grafite orgânico para peso (2-3%)
    */
    
    /* Base: off-white quente, não branco puro */
    --color-bg: #FAF8F5;
    --color-bg-alt: #F5F2ED;
    --color-white: #FFFDF9;
    
    /* Texto: grafite orgânico, nunca cinza frio */
    --color-text: #2C3029;
    --color-text-secondary: #4A4F46;
    --color-text-muted: #6B7066;
    
    /* Verde AliveTeams — acento estratégico, usado com parcimônia */
    --color-accent: #3DAA5C;
    --color-accent-hover: #35964F;
    
    /* Verde profundo — para títulos, footer, momentos de gravidade */
    --color-deep: #1E3D2A;
    --color-bg-dark: #1E3D2A;
    
    /* Bordas e divisórias — cinza quente */
    --color-border: #E5E2DB;

    /* Typography */
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-heading: 'Fraunces', Georgia, serif;

    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2.5rem;
    --space-xl: 4rem;
    --space-2xl: 6rem;
    --space-3xl: 8rem;

    /* Container */
    --container-max: 1200px;
    --container-padding: 1.5rem;

    /* Transitions */
    --transition: 0.3s ease;
}

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

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

body {
    font-family: var(--font-body);
    font-size: 1.0625rem;
    line-height: 1.7;
    color: var(--color-text);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

ul {
    list-style: none;
}

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

/* Typography */
h1, h2, h3 {
    font-family: var(--font-heading);
    font-weight: 500;
    line-height: 1.25;
    color: var(--color-text);
}

h1 {
    font-size: clamp(2rem, 5vw, 3rem);
    letter-spacing: -0.02em;
}

h2 {
    font-size: clamp(1.625rem, 4vw, 2.25rem);
    letter-spacing: -0.01em;
}

h3 {
    font-size: 1.25rem;
    font-weight: 600;
}

p {
    margin-bottom: 1em;
}

p:last-child {
    margin-bottom: 0;
}

/* ========================================
   Header
   ======================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(250, 248, 245, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
}

.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo {
    display: flex;
    align-items: center;
    height: 60px;
}

.logo__image {
    height: 100%;
    width: auto;
    max-width: 260px;
}

.nav {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
}

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

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

.nav-link--cta {
    padding: 0.625rem 1.25rem;
    background: var(--color-accent);
    color: var(--color-white);
    border-radius: 4px;
}

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

/* ========================================
   Buttons
   ======================================== */
.btn {
    display: inline-block;
    padding: 0.875rem 1.75rem;
    font-size: 0.9375rem;
    font-weight: 500;
    border-radius: 4px;
    cursor: pointer;
    transition: var(--transition);
}

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

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

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

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

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

/* ========================================
   Hero Section
   ======================================== */
.hero {
    padding-top: calc(72px + var(--space-3xl));
    padding-bottom: var(--space-3xl);
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
    align-items: center;
}

.hero__headline {
    margin-bottom: var(--space-md);
}

.hero__subheadline {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-lg);
    max-width: 540px;
}

.hero__microcopy {
    margin-bottom: var(--space-lg);
    padding-left: var(--space-md);
    border-left: 2px solid var(--color-accent);
}

.hero__microcopy p {
    font-size: 1rem;
    color: var(--color-text-muted);
    margin-bottom: 0.25em;
}

.hero__ctas {
    display: flex;
    gap: var(--space-sm);
    flex-wrap: wrap;
}

.hero__image {
    position: relative;
}

.hero__image img {
    width: 100%;
    height: auto;
    object-fit: cover;
    border-radius: 4px;
}

.hero__video {
    position: relative;
    border-radius: 4px;
    overflow: hidden;
}

.hero__video video {
    width: 100%;
    height: auto;
    object-fit: cover;
    border-radius: 4px;
}

/* ========================================
   Sections — Base
   ======================================== */
.section {
    padding: var(--space-3xl) 0;
}

.section .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
    align-items: center;
}

.section__title {
    margin-bottom: var(--space-md);
}

.section__title--centered {
    text-align: center;
    grid-column: 1 / -1;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: var(--space-xl);
}

.section__text {
    color: var(--color-text-secondary);
}

.section__image img {
    width: 100%;
    border-radius: 4px;
}

.section__intro {
    font-size: 1.125rem;
    color: var(--color-text);
    font-weight: 500;
}

.section__nota {
    margin-top: var(--space-lg);
    padding-top: var(--space-md);
    border-top: 1px solid var(--color-border);
    color: var(--color-text-muted);
    font-style: italic;
}

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

/* ========================================
   Section: O que é
   ======================================== */
.section--oque {
    background: var(--color-bg);
}

/* ========================================
   Section: Três Lentes
   ======================================== */
.section--lentes {
    background: var(--color-white);
    padding: var(--space-3xl) 0;
}

.section--lentes .container {
    display: block;
}

.lentes {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
}

.lente {
    background: var(--color-bg);
    border-radius: 4px;
    overflow: hidden;
}

.lente__image {
    aspect-ratio: 16 / 10;
    overflow: hidden;
}

.lente__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.lente__content {
    padding: var(--space-md);
}

.lente__title {
    margin-bottom: var(--space-sm);
    font-size: 1.125rem;
}

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

.lente__destaque {
    margin-top: var(--space-sm);
    padding-top: var(--space-sm);
    border-top: 1px solid var(--color-border);
    font-style: italic;
    color: var(--color-text-muted);
}

/* ========================================
   Section: O que se torna possível
   ======================================== */
.section--possivel {
    background: var(--color-bg);
}

.section--possivel .container {
    display: block;
}

.section--possivel .section__title {
    margin-bottom: var(--space-xl);
}

.section__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
    align-items: start;
}

.possibilidades {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.possibilidades li {
    position: relative;
    padding-left: var(--space-md);
    color: var(--color-text-secondary);
}

.possibilidades li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.6em;
    width: 6px;
    height: 6px;
    background: var(--color-accent);
    border-radius: 50%;
}

/* ========================================
   Section: IA
   ======================================== */
.section--ia {
    background: var(--color-white);
}

.ia-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
    margin-top: var(--space-lg);
}

.ia-bloco {
    padding: var(--space-md);
    border-radius: 4px;
}

.ia-bloco h3 {
    font-size: 1rem;
    margin-bottom: var(--space-sm);
}

.ia-bloco ul {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.ia-bloco li {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
}

.ia-bloco--faz {
    background: rgba(45, 74, 62, 0.08);
}

.ia-bloco--nao {
    background: var(--color-bg-alt);
}

/* ========================================
   Section: Por que confiar
   ======================================== */
.section--confianca {
    background: var(--color-bg);
    padding: var(--space-3xl) 0;
}

.section--confianca .container {
    display: block;
}

.confianca-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
}

.confianca-bloco {
    padding: var(--space-md);
    background: var(--color-white);
    border-radius: 4px;
}

.confianca-bloco h3 {
    margin-bottom: var(--space-sm);
    color: var(--color-accent);
}

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

.confianca-image {
    margin-bottom: var(--space-lg);
}

.confianca-image img {
    width: 100%;
    max-height: 400px;
    object-fit: cover;
    border-radius: 4px;
}

.confianca-link {
    text-align: center;
    color: var(--color-text-secondary);
}

.confianca-link a {
    color: var(--color-accent);
    text-decoration: underline;
    text-underline-offset: 3px;
}

.confianca-link a:hover {
    color: var(--color-accent-hover);
}

/* ========================================
   Section: Fechamento
   ======================================== */
.section--fechamento {
    background: var(--color-bg-dark);
    color: var(--color-white);
    padding: var(--space-3xl) 0;
}

.section--fechamento .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
    align-items: center;
}

.fechamento__image img {
    width: 100%;
    border-radius: 4px;
    opacity: 0.9;
}

.fechamento__video {
    border-radius: 4px;
    overflow: hidden;
}

.fechamento__video video {
    width: 100%;
    height: auto;
    object-fit: cover;
    border-radius: 4px;
    opacity: 0.9;
}

.fechamento__texto {
    font-size: 1.25rem;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: var(--space-md);
}

.fechamento__convite {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 500;
    margin-bottom: var(--space-lg);
}

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

.section--fechamento .btn--primary:hover {
    background: rgba(255, 255, 255, 0.9);
}

/* ========================================
   Footer
   ======================================== */
.footer {
    background: var(--color-bg-dark);
    color: rgba(255, 255, 255, 0.7);
    padding: var(--space-xl) 0 var(--space-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer__grid {
    display: flex;
    justify-content: space-between;
    align-items: start;
    margin-bottom: var(--space-lg);
}

.footer__brand .logo {
    display: flex;
    align-items: center;
    height: 32px;
    margin-bottom: var(--space-xs);
}

.footer__brand .logo__image {
    height: 100%;
    width: auto;
    max-width: 120px;
}

.footer__brand p {
    font-size: 0.875rem;
    max-width: 300px;
}

.footer__links {
    display: flex;
    gap: var(--space-lg);
}

.footer__links a {
    font-size: 0.9375rem;
}

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

.footer__bottom {
    padding-top: var(--space-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer__bottom p {
    font-size: 0.8125rem;
}

/* ========================================
   Responsive
   ======================================== */
@media (max-width: 1024px) {
    .hero .container,
    .section .container,
    .section__grid,
    .section--fechamento .container {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }

    .hero__image {
        order: -1;
    }

    .lentes,
    .confianca-grid {
        grid-template-columns: 1fr;
    }

    .ia-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    :root {
        --space-xl: 3rem;
        --space-2xl: 4rem;
        --space-3xl: 5rem;
    }

    .nav {
        display: none;
    }

    .hero {
        min-height: auto;
        padding-top: calc(72px + var(--space-xl));
    }

    .hero__ctas {
        flex-direction: column;
    }

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

/* ========================================
   WhatsApp Floating Button
   ======================================== */

.whatsapp-float {
    position: fixed !important;
    bottom: 24px !important;
    right: 24px !important;
    left: auto !important;
    width: 56px;
    height: 56px;
    background: var(--color-accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    box-shadow: 0 4px 16px rgba(61, 170, 92, 0.3);
    transition: transform 300ms ease-out, box-shadow 300ms ease-out;
    z-index: 1000;
}

.whatsapp-float:hover {
    transform: scale(1.08);
    box-shadow: 0 6px 24px rgba(61, 170, 92, 0.4);
}

.whatsapp-float svg {
    flex-shrink: 0;
}

@media (max-width: 768px) {
    .whatsapp-float {
        bottom: 16px;
        right: 16px;
        width: 48px;
        height: 48px;
    }

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