/* ============================================
   YLA TECH - LANDING PAGE PREMIUM
   Estilo executivo e sofisticado com design tecnológico
   ============================================ */

/* ============================================
   RESET & BASE STYLES
   ============================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Paleta de cores premium */
    --preto-profundo: #0B0B0B;
    --grafite: #121212;
    --grafite-claro: #1a1a1a;
    --dourado: #C9A24A;
    --dourado-claro: #E5C879;
    --dourado-escuro: #A68639;
    --branco: #FFFFFF;
    --cinza-claro: #E0E0E0;
    --cinza-medio: #999999;
    
    /* Tipografia */
    --font-serif: 'Playfair Display', serif;
    --font-sans: 'Inter', sans-serif;
    
    /* Espaçamentos */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Transições */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

body {
    font-family: var(--font-sans);
    background-color: var(--preto-profundo);
    color: var(--cinza-claro);
    line-height: 1.6;
    overflow-x: hidden;
}

/* ============================================
   TYPOGRAPHY
   ============================================ */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-serif);
    color: var(--dourado);
    line-height: 1.2;
    font-weight: 600;
}

h1 {
    font-size: clamp(2rem, 5vw, 4rem);
    margin-bottom: var(--spacing-md);
}

h2 {
    font-size: clamp(1.75rem, 4vw, 3rem);
    margin-bottom: var(--spacing-md);
}

h3 {
    font-size: clamp(1.25rem, 3vw, 2rem);
    margin-bottom: var(--spacing-sm);
}

p {
    font-size: clamp(1rem, 2vw, 1.125rem);
    line-height: 1.8;
    color: var(--cinza-claro);
}

/* ============================================
   UTILITIES
   ============================================ */
.container {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.section-title {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.section-intro {
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--spacing-lg);
    font-size: 1.125rem;
    color: var(--cinza-medio);
}

/* ============================================
   BUTTONS
   ============================================ */
.btn-primary,
.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 2rem;
    font-family: var(--font-sans);
    font-size: 1rem;
    font-weight: 500;
    text-decoration: none;
    border: 2px solid var(--dourado);
    border-radius: 4px;
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: linear-gradient(135deg, var(--dourado), var(--dourado-escuro));
    color: var(--preto-profundo);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--dourado-claro), var(--dourado));
    box-shadow: 0 0 30px rgba(201, 162, 74, 0.5);
    transform: translateY(-2px);
}

.btn-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    pointer-events: none;
}

.btn-primary:disabled:hover {
    transform: none;
    box-shadow: none;
}

.btn-secondary {
    background: transparent;
    color: var(--dourado);
}

.btn-secondary:hover {
    background: var(--dourado);
    color: var(--preto-profundo);
    box-shadow: 0 0 30px rgba(201, 162, 74, 0.3);
}

.btn-large {
    padding: 1.25rem 2.5rem;
    font-size: 1.125rem;
}

/* ============================================
   NAVIGATION
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(11, 11, 11, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(201, 162, 74, 0.1);
    z-index: 1000;
    transition: all var(--transition-normal);
}

.navbar.scrolled {
    background: rgba(11, 11, 11, 0.98);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

.nav-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem 0;
}

.logo a {
    font-family: var(--font-serif);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--dourado);
    text-decoration: none;
    letter-spacing: 1px;
    display: inline-block;
}

/* Logo image */
.logo-img {
    height: 50px;
    width: auto;
    object-fit: contain;
    transition: all var(--transition-normal);
    filter: brightness(1.1);
}

.logo-img:hover {
    transform: scale(1.05);
    filter: brightness(1.3);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    margin: 0;
}

.nav-menu a {
    color: var(--cinza-claro);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 400;
    transition: color var(--transition-fast);
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--dourado);
    transition: width var(--transition-normal);
}

.nav-menu a:hover {
    color: var(--dourado);
}

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

.nav-cta {
    padding: 0.75rem 1.5rem;
    font-size: 0.95rem;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-menu-toggle span {
    display: block;
    width: 25px;
    height: 2px;
    background: var(--dourado);
    transition: all var(--transition-fast);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 100px;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(ellipse at 30% 50%, rgba(11, 11, 11, 0.8) 0%, rgba(11, 11, 11, 0.95) 50%, #0B0B0B 100%),
        #0B0B0B;
    z-index: 0;
    overflow: hidden;
}

/* Rede Neural Tecnológica */
.hero-background::before {
    content: '';
    position: absolute;
    bottom: -10%;
    right: -5%;
    width: 70%;
    height: 70%;
    background-image: 
        /* Linhas diagonais principais */
        linear-gradient(145deg, transparent 0%, transparent 48%, rgba(201, 162, 74, 0.15) 49%, rgba(201, 162, 74, 0.15) 50%, transparent 51%, transparent 100%),
        linear-gradient(125deg, transparent 0%, transparent 48%, rgba(201, 162, 74, 0.1) 49%, rgba(201, 162, 74, 0.1) 50%, transparent 51%, transparent 100%),
        linear-gradient(155deg, transparent 0%, transparent 48%, rgba(201, 162, 74, 0.12) 49%, rgba(201, 162, 74, 0.12) 50%, transparent 51%, transparent 100%),
        /* Grid tecnológico */
        repeating-linear-gradient(0deg, transparent, transparent 40px, rgba(201, 162, 74, 0.04) 40px, rgba(201, 162, 74, 0.04) 41px),
        repeating-linear-gradient(90deg, transparent, transparent 40px, rgba(201, 162, 74, 0.04) 40px, rgba(201, 162, 74, 0.04) 41px);
    opacity: 0.8;
    transform: perspective(1000px) rotateX(10deg) rotateY(-5deg);
    animation: networkPulse 8s ease-in-out infinite;
}

/* Nós da rede neural */
.hero-background::after {
    content: '';
    position: absolute;
    bottom: 10%;
    right: 10%;
    width: 600px;
    height: 600px;
    background: 
        radial-gradient(circle at 30% 30%, rgba(201, 162, 74, 0.2) 0%, transparent 3%),
        radial-gradient(circle at 60% 40%, rgba(201, 162, 74, 0.25) 0%, transparent 2.5%),
        radial-gradient(circle at 45% 60%, rgba(201, 162, 74, 0.2) 0%, transparent 3%),
        radial-gradient(circle at 70% 70%, rgba(201, 162, 74, 0.3) 0%, transparent 2%),
        radial-gradient(circle at 20% 55%, rgba(201, 162, 74, 0.2) 0%, transparent 2.5%),
        radial-gradient(circle at 80% 45%, rgba(201, 162, 74, 0.25) 0%, transparent 3%),
        radial-gradient(circle at 50% 80%, rgba(201, 162, 74, 0.2) 0%, transparent 2.5%);
    filter: drop-shadow(0 0 20px rgba(201, 162, 74, 0.4));
    animation: nodeGlow 6s ease-in-out infinite alternate;
}

@keyframes networkPulse {
    0%, 100% { 
        opacity: 0.6;
        transform: perspective(1000px) rotateX(10deg) rotateY(-5deg);
    }
    50% { 
        opacity: 0.9;
        transform: perspective(1000px) rotateX(12deg) rotateY(-6deg);
    }
}

@keyframes nodeGlow {
    0% { 
        filter: drop-shadow(0 0 15px rgba(201, 162, 74, 0.3));
        opacity: 0.8;
    }
    100% { 
        filter: drop-shadow(0 0 30px rgba(201, 162, 74, 0.6));
        opacity: 1;
    }
}

/* Partículas de luz dourada */
.hero-particles {
    position: absolute;
    width: 100%;
    height: 100%;
    background-image:
        radial-gradient(circle at 75% 25%, rgba(229, 200, 121, 0.4) 0%, transparent 1px),
        radial-gradient(circle at 65% 35%, rgba(201, 162, 74, 0.3) 0%, transparent 1.5px),
        radial-gradient(circle at 85% 45%, rgba(229, 200, 121, 0.35) 0%, transparent 1px),
        radial-gradient(circle at 72% 55%, rgba(201, 162, 74, 0.4) 0%, transparent 1.2px),
        radial-gradient(circle at 80% 65%, rgba(229, 200, 121, 0.3) 0%, transparent 1px),
        radial-gradient(circle at 90% 75%, rgba(201, 162, 74, 0.35) 0%, transparent 1.5px),
        radial-gradient(circle at 68% 48%, rgba(229, 200, 121, 0.4) 0%, transparent 1px),
        radial-gradient(circle at 78% 58%, rgba(201, 162, 74, 0.3) 0%, transparent 1.2px);
    background-size: 200% 200%;
    animation: particleFloat 15s ease-in-out infinite;
    opacity: 0.6;
}

@keyframes particleFloat {
    0%, 100% {
        background-position: 0% 0%;
        opacity: 0.5;
    }
    25% {
        background-position: 50% 25%;
        opacity: 0.7;
    }
    50% {
        background-position: 100% 50%;
        opacity: 0.6;
    }
    75% {
        background-position: 50% 75%;
        opacity: 0.8;
    }
}

/* Overlay escuro para melhor leitura */
.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        rgba(11, 11, 11, 0.85) 0%,
        rgba(11, 11, 11, 0.7) 40%,
        rgba(11, 11, 11, 0.5) 60%,
        transparent 100%
    );
    z-index: 1;
    pointer-events: none;
}

/* Textura digital futurística */
.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        repeating-linear-gradient(0deg, transparent, transparent 3px, rgba(201, 162, 74, 0.015) 3px, rgba(201, 162, 74, 0.015) 4px),
        repeating-linear-gradient(90deg, transparent, transparent 3px, rgba(201, 162, 74, 0.015) 3px, rgba(201, 162, 74, 0.015) 4px);
    opacity: 0.3;
    z-index: 1;
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
    animation: fadeInUp 1s ease-out;
}

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

.hero-title {
    font-size: 72px;
    margin-bottom: var(--spacing-md);
    line-height: 1.1;
    font-weight: 600;
    background: linear-gradient(135deg, #E5C879 0%, #C9A24A 50%, #A68639 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 0 30px rgba(201, 162, 74, 0.3));
}

.hero-title .highlight {
    background: linear-gradient(135deg, #E5C879 0%, #FFD700 50%, #E5C879 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
    font-weight: 700;
    animation: highlightGlow 3s ease-in-out infinite;
}

@keyframes highlightGlow {
    0%, 100% {
        filter: drop-shadow(0 0 20px rgba(229, 200, 121, 0.4));
    }
    50% {
        filter: drop-shadow(0 0 35px rgba(229, 200, 121, 0.7));
    }
}

.hero-subtitle {
    font-size: clamp(1.125rem, 2.5vw, 1.375rem);
    color: var(--cinza-medio);
    margin-bottom: var(--spacing-lg);
    line-height: 1.8;
}

/* ============================================
   PROBLEMA SECTION
   ============================================ */
.problema-section {
    padding: var(--spacing-xl) 0;
    background: var(--grafite);
}

.problemas-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.problema-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.5rem;
    background: var(--grafite-claro);
    border: 1px solid rgba(201, 162, 74, 0.2);
    border-radius: 8px;
    transition: all var(--transition-normal);
}

.problema-item:hover {
    border-color: var(--dourado);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(201, 162, 74, 0.15);
}

.problema-item i {
    color: var(--dourado);
    font-size: 1.5rem;
    flex-shrink: 0;
}

.problema-item p {
    color: var(--cinza-claro);
    font-size: 1rem;
}

/* ============================================
   METODOLOGIA SECTION
   ============================================ */
.metodologia-section {
    padding: var(--spacing-xl) 0;
    background: var(--preto-profundo);
}

.metodologia-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.metodologia-card {
    position: relative;
    padding: 2.5rem;
    background: var(--grafite);
    border: 2px solid var(--dourado);
    border-radius: 8px;
    transition: all var(--transition-normal);
    overflow: hidden;
}

.metodologia-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(201, 162, 74, 0.05) 0%, transparent 100%);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.metodologia-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(201, 162, 74, 0.2);
}

.metodologia-card:hover::before {
    opacity: 1;
}

.card-number {
    font-family: var(--font-serif);
    font-size: 3rem;
    color: var(--dourado);
    opacity: 0.3;
    line-height: 1;
    margin-bottom: 1rem;
}

.metodologia-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--dourado-claro);
}

.metodologia-card p {
    color: var(--cinza-medio);
    line-height: 1.8;
}

/* ============================================
   SERVIÇOS SECTION
   ============================================ */
.servicos-section {
    padding: var(--spacing-xl) 0;
    background: var(--grafite);
}

.servicos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-md);
}

.servico-card {
    padding: 2.5rem;
    background: var(--preto-profundo);
    border: 1px solid rgba(201, 162, 74, 0.3);
    border-radius: 8px;
    transition: all var(--transition-normal);
}

.servico-card:hover {
    border-color: var(--dourado);
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
}

.servico-icon {
    width: 70px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--dourado), var(--dourado-escuro));
    border-radius: 8px;
    margin-bottom: 1.5rem;
}

.servico-icon i {
    font-size: 2rem;
    color: var(--preto-profundo);
}

.servico-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: var(--dourado);
}

.servico-list {
    list-style: none;
}

.servico-list li {
    padding: 0.75rem 0;
    padding-left: 1.5rem;
    color: var(--cinza-medio);
    position: relative;
    line-height: 1.6;
}

.servico-list li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--dourado);
    font-weight: bold;
}

/* ============================================
   TECH TALENT SECTION
   ============================================ */
.tech-talent-section {
    padding: var(--spacing-xl) 0;
    background: var(--preto-profundo);
}

.tech-talent-card {
    max-width: 1000px;
    margin: 0 auto;
    padding: 3rem;
    background: var(--grafite);
    border: 2px solid var(--dourado);
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(201, 162, 74, 0.1);
}

.tech-talent-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.tech-talent-header h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: 1rem;
}

.tech-talent-subtitle {
    font-size: 1.25rem;
    color: var(--cinza-medio);
}

.tech-talent-list {
    list-style: none;
    display: grid;
    gap: 1rem;
}

.tech-talent-list li {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--grafite-claro);
    border-radius: 8px;
    transition: all var(--transition-fast);
}

.tech-talent-list li:hover {
    background: var(--preto-profundo);
    transform: translateX(10px);
}

.tech-talent-list i {
    color: var(--dourado);
    font-size: 1.25rem;
}

.tech-talent-list li::before {
    display: none;
}

/* ============================================
   CONECTA.AI SECTION
   ============================================ */
.conecta-section {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(135deg, var(--grafite) 0%, var(--preto-profundo) 100%);
}

.conecta-card {
    max-width: 1100px;
    margin: 0 auto;
    padding: 3rem;
    background: var(--preto-profundo);
    border: 2px solid var(--dourado);
    border-radius: 12px;
    position: relative;
    overflow: hidden;
}

.conecta-card::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(201, 162, 74, 0.1) 0%, transparent 70%);
    animation: rotate 20s linear infinite;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.conecta-header {
    text-align: center;
    margin-bottom: var(--spacing-md);
    position: relative;
    z-index: 1;
}

.conecta-header h2 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    background: linear-gradient(135deg, var(--dourado), var(--dourado-claro));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.conecta-subtitle {
    font-size: 1.25rem;
    color: var(--cinza-medio);
    margin-bottom: 1rem;
}

.conecta-description {
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--spacing-lg);
    font-size: 1.125rem;
    color: var(--cinza-claro);
    position: relative;
    z-index: 1;
}

.conecta-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: var(--spacing-lg);
    position: relative;
    z-index: 1;
}

.conecta-feature {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.25rem;
    background: var(--grafite);
    border: 1px solid rgba(201, 162, 74, 0.3);
    border-radius: 8px;
    transition: all var(--transition-normal);
}

.conecta-feature:hover {
    border-color: var(--dourado);
    transform: scale(1.05);
}

.conecta-feature i {
    font-size: 1.75rem;
    color: var(--dourado);
}

.conecta-feature span {
    color: var(--cinza-claro);
    font-size: 1rem;
}

.conecta-card .btn-secondary {
    display: flex;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

/* ============================================
   DIFERENCIAIS SECTION
   ============================================ */
.diferenciais-section {
    padding: var(--spacing-xl) 0;
    background: var(--grafite);
}

.diferenciais-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.diferencial-card {
    padding: 2rem;
    background: var(--preto-profundo);
    border: 1px solid rgba(201, 162, 74, 0.2);
    border-radius: 8px;
    text-align: center;
    transition: all var(--transition-normal);
}

.diferencial-card:hover {
    border-color: var(--dourado);
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(201, 162, 74, 0.15);
}

.diferencial-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--dourado);
    border-radius: 50%;
    transition: all var(--transition-normal);
}

.diferencial-card:hover .diferencial-icon {
    background: var(--dourado);
}

.diferencial-icon i {
    font-size: 2rem;
    color: var(--dourado);
    transition: color var(--transition-fast);
}

.diferencial-card:hover .diferencial-icon i {
    color: var(--preto-profundo);
}

.diferencial-card h3 {
    font-size: 1.375rem;
    margin-bottom: 1rem;
    color: var(--dourado);
}

.diferencial-card p {
    color: var(--cinza-medio);
    line-height: 1.7;
}

/* ============================================
   FUNDADORA SECTION
   ============================================ */
.fundadora-section {
    padding: var(--spacing-xl) 0;
    background: var(--preto-profundo);
}

.fundadora-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.fundadora-text h2 {
    margin-bottom: var(--spacing-md);
}

.fundadora-text p {
    font-size: 1.125rem;
    color: var(--cinza-medio);
    margin-bottom: 1.5rem;
    line-height: 1.9;
}

/* ============================================
   DIAGNÓSTICO CTA SECTION
   ============================================ */
.diagnostico-section {
    padding: var(--spacing-xl) 0;
    background: var(--grafite);
}

.diagnostico-card {
    max-width: 900px;
    margin: 0 auto;
    padding: 4rem 3rem;
    background: linear-gradient(135deg, var(--preto-profundo) 0%, var(--grafite-claro) 100%);
    border: 2px solid var(--dourado);
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.5);
}

.diagnostico-card h2 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    margin-bottom: 1.5rem;
}

.diagnostico-card p {
    font-size: 1.125rem;
    color: var(--cinza-medio);
    margin-bottom: var(--spacing-lg);
    line-height: 1.8;
}

/* ============================================
   CONTATO SECTION
   ============================================ */
.contato-section {
    padding: var(--spacing-xl) 0;
    background: var(--preto-profundo);
}

.contato-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    max-width: 1200px;
    margin: 0 auto;
}

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

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group input,
.form-group textarea {
    padding: 1rem 1.25rem;
    font-family: var(--font-sans);
    font-size: 1rem;
    background: var(--grafite);
    border: 2px solid rgba(201, 162, 74, 0.3);
    border-radius: 8px;
    color: var(--cinza-claro);
    transition: all var(--transition-normal);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--dourado);
    box-shadow: 0 0 20px rgba(201, 162, 74, 0.2);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--cinza-medio);
}

/* Form Validation Styles */
.form-group input.error,
.form-group textarea.error {
    border-color: #ff4444;
    animation: shake 0.3s ease-in-out;
}

.form-group input.success {
    border-color: #4caf50;
}

.error-message {
    display: none;
    color: #ff4444;
    font-size: 0.875rem;
    margin-top: 0.5rem;
    font-weight: 500;
}

.error-message.active {
    display: block;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-10px); }
    75% { transform: translateX(10px); }
}

.contato-info {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 2rem;
    padding: 2rem;
    background: var(--grafite);
    border: 1px solid rgba(201, 162, 74, 0.2);
    border-radius: 8px;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.info-item i {
    font-size: 1.5rem;
    color: var(--dourado);
    width: 30px;
}

.info-item span {
    color: var(--cinza-claro);
    font-size: 1rem;
}

.contato-instrucoes {
    color: var(--cinza-claro);
    font-size: 1.125rem;
    line-height: 1.8;
    margin-bottom: 1.5rem;
    font-weight: 500;
}

.contato-analise {
    color: var(--cinza-medio);
    font-size: 1rem;
    line-height: 1.8;
    padding-top: 1rem;
    border-top: 1px solid rgba(201, 162, 74, 0.2);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: var(--grafite);
    border-top: 1px solid rgba(201, 162, 74, 0.2);
    padding: var(--spacing-lg) 0 var(--spacing-md);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

.footer-logo h3 {
    font-family: var(--font-serif);
    font-size: 1.75rem;
    color: var(--dourado);
    margin-bottom: 0.5rem;
}

.footer-logo p {
    color: var(--cinza-medio);
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
}

.footer-contact {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-top: 1rem;
}

.footer-contact-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.9rem;
}

.footer-contact-item i {
    color: var(--dourado);
    font-size: 1rem;
    width: 20px;
}

.footer-contact-item a {
    color: var(--cinza-claro);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-contact-item a:hover {
    color: var(--dourado);
}

.footer-contact-item span {
    color: var(--cinza-claro);
}

/* Footer Contact Info */
.footer-contact-info {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-top: 1.5rem;
}

.footer-info-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--cinza-claro);
    font-size: 0.9rem;
}

.footer-info-item i {
    color: var(--dourado);
    font-size: 1rem;
    width: 20px;
    text-align: center;
}

.footer-info-item a {
    color: var(--cinza-claro);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer-info-item a:hover {
    color: var(--dourado);
}

.footer-info-item span {
    color: var(--cinza-claro);
}

.footer-links h4,
.footer-social h4 {
    color: var(--dourado);
    font-family: var(--font-sans);
    font-size: 1.125rem;
    margin-bottom: 1rem;
}

.footer-links ul {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: var(--cinza-medio);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--dourado);
}

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

.social-links a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--dourado);
    border-radius: 50%;
    color: var(--dourado);
    text-decoration: none;
    transition: all var(--transition-normal);
}

.social-links a:hover {
    background: var(--dourado);
    color: var(--preto-profundo);
    transform: translateY(-3px);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(201, 162, 74, 0.1);
}

.footer-bottom p {
    color: var(--cinza-medio);
    font-size: 0.9rem;
}

/* ============================================
   SCROLL TO TOP BUTTON
   ============================================ */
.scroll-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--dourado), var(--dourado-escuro));
    border: none;
    border-radius: 50%;
    color: var(--preto-profundo);
    font-size: 1.25rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    z-index: 999;
}

.scroll-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-to-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(201, 162, 74, 0.5);
}

/* ============================================
   RESPONSIVE - TABLET
   ============================================ */
@media (max-width: 992px) {
    :root {
        --spacing-xl: 4rem;
        --spacing-lg: 3rem;
    }
    
    /* Hero Title - Tablet */
    .hero-title {
        font-size: 48px;
    }
    
    .nav-menu {
        gap: 1.5rem;
    }
    
    .nav-menu a {
        font-size: 0.9rem;
    }
    
    .nav-cta {
        display: none;
    }
    
    .contato-content {
        grid-template-columns: 1fr;
    }
    
    .metodologia-grid,
    .servicos-grid,
    .diferenciais-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }
}

/* ============================================
   RESPONSIVE - MOBILE
   ============================================ */
@media (max-width: 768px) {
    :root {
        --spacing-xl: 3rem;
        --spacing-lg: 2rem;
        --spacing-md: 1.5rem;
    }
    
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    /* Hero Title - Mobile */
    .hero-title {
        font-size: 36px;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    /* Logo - Mobile */
    .logo-img {
        height: 40px;
    }
    
    /* Mobile Navigation */
    .mobile-menu-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background: rgba(11, 11, 11, 0.98);
        backdrop-filter: blur(10px);
        flex-direction: column;
        align-items: center;
        justify-content: flex-start;
        padding: var(--spacing-lg) 0;
        gap: 1.5rem;
        transition: left var(--transition-normal);
        border-top: 1px solid rgba(201, 162, 74, 0.2);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .mobile-menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .mobile-menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }
    
    .nav-menu a {
        font-size: 1.125rem;
    }
    
    /* Hero */
    .hero {
        padding-top: 120px;
        min-height: auto;
        padding-bottom: var(--spacing-xl);
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    /* Buttons */
    .btn-primary,
    .btn-secondary {
        width: 100%;
        justify-content: center;
        padding: 1rem 1.5rem;
    }
    
    .btn-large {
        padding: 1.25rem 1.5rem;
        font-size: 1rem;
    }
    
    /* Cards */
    .metodologia-card,
    .servico-card,
    .diferencial-card {
        padding: 1.5rem;
    }
    
    .tech-talent-card,
    .conecta-card {
        padding: 2rem 1.5rem;
    }
    
    .diagnostico-card {
        padding: 2.5rem 1.5rem;
    }
    
    /* Grids */
    .metodologia-grid,
    .servicos-grid,
    .diferenciais-grid,
    .problemas-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .conecta-features {
        grid-template-columns: 1fr;
    }
    
    /* Footer */
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-contact {
        align-items: center;
    }
    
    .footer-contact-item {
        justify-content: center;
    }
    
    .footer-contact-info {
        align-items: center;
    }
    
    .footer-info-item {
        justify-content: center;
    }
    
    .social-links {
        justify-content: center;
    }
    
    /* Scroll to top */
    .scroll-to-top {
        bottom: 1.5rem;
        right: 1.5rem;
        width: 45px;
        height: 45px;
    }
}

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes slideInFromLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

/* Scroll animations */
.fade-in {
    animation: fadeIn 0.8s ease-out;
}

.slide-in-left {
    animation: slideInFromLeft 0.8s ease-out;
}

.slide-in-right {
    animation: slideInFromRight 0.8s ease-out;
}