/* ========================================
   Nobre Consulting - Main Stylesheet
   ======================================== */

:root {
    --primary: #4f46e5;
    --primary-dark: #4338ca;
    --primary-light: #818cf8;
    --secondary: #0ea5e9;
    --accent: #f59e0b;
    --dark: #0f172a;
    --dark-light: #1e293b;
    --gray: #64748b;
    --gray-light: #94a3b8;
    --light: #f8fafc;
    --white: #ffffff;
    --success: #10b981;
    --danger: #ef4444;
    --gradient: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --radius: 12px;
    --radius-lg: 20px;
}

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

html {
    scroll-behavior: smooth;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

/* ========================================
   Buttons
   ======================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: var(--radius);
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all 0.3s ease;
}

.btn-lg {
    padding: 16px 32px;
    font-size: 16px;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(79, 70, 229, 0.3);
}

.btn-outline {
    background: transparent;
    color: var(--primary);
    border-color: var(--primary);
}

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

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

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

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

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

/* ========================================
   Navigation
   ======================================== */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 20px 0;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(10px);
    padding: 12px 0;
    box-shadow: var(--shadow);
}

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

.logo img {
    height: 40px;
    transition: all 0.3s ease;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
    list-style: none;
}

.nav-links a {
    color: var(--white);
    font-weight: 500;
    font-size: 15px;
    opacity: 0.9;
    position: relative;
}

.nav-links a:hover,
.nav-links a.active {
    opacity: 1;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-light);
    transition: width 0.3s ease;
}

.nav-links a:hover::after,
.nav-links a.active::after {
    width: 100%;
}

.nav-links .btn {
    opacity: 1;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--white);
    font-size: 24px;
    cursor: pointer;
}

@media (max-width: 768px) {
    .mobile-menu-btn {
        display: block;
    }
    
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 300px;
        height: 100vh;
        background: var(--dark);
        flex-direction: column;
        align-items: flex-start;
        padding: 80px 30px;
        gap: 20px;
        transition: right 0.3s ease;
    }
    
    .nav-links.active {
        right: 0;
    }
    
    .nav-links a {
        font-size: 18px;
    }
}

/* ========================================
   Hero Section
   ======================================== */

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    background: var(--dark);
    overflow: hidden;
    padding: 100px 0 60px;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(79, 70, 229, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(14, 165, 233, 0.2) 0%, transparent 50%),
        radial-gradient(circle at 50% 50%, rgba(79, 70, 229, 0.1) 0%, transparent 70%);
}

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

.hero-content {
    color: var(--white);
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
}

.gradient-text {
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--gray-light);
    margin-bottom: 32px;
    max-width: 500px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.hero-image {
    position: relative;
    height: 400px;
}

.floating-card {
    position: absolute;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius);
    padding: 20px 30px;
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--white);
    font-weight: 600;
    animation: float 6s ease-in-out infinite;
}

.floating-card i {
    font-size: 24px;
    color: var(--primary-light);
}

.card-1 {
    top: 10%;
    left: 10%;
    animation-delay: 0s;
}

.card-2 {
    top: 40%;
    right: 10%;
    animation-delay: 2s;
}

.card-3 {
    bottom: 10%;
    left: 20%;
    animation-delay: 4s;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

@media (max-width: 900px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        margin: 0 auto 32px;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .hero-image {
        display: none;
    }
}

/* ========================================
   Section Styles
   ======================================== */

section {
    padding: 100px 0;
}

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

.section-tag {
    display: inline-block;
    background: rgba(79, 70, 229, 0.1);
    color: var(--primary);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 16px;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 16px;
    color: var(--dark);
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--gray);
    max-width: 600px;
    margin: 0 auto;
}

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

.mt-4 {
    margin-top: 40px;
}

/* ========================================
   Services Preview
   ======================================== */

.services-preview {
    background: var(--light);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.service-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.service-icon {
    width: 70px;
    height: 70px;
    background: var(--gradient);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}

.service-icon i {
    font-size: 28px;
    color: var(--white);
}

.service-card h3 {
    font-size: 1.3rem;
    margin-bottom: 12px;
    color: var(--dark);
}

.service-card p {
    color: var(--gray);
    margin-bottom: 20px;
}

.service-link {
    color: var(--primary);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.service-link:hover {
    gap: 12px;
}

/* ========================================
   Stats Section
   ======================================== */

.stats {
    background: var(--gradient);
    padding: 60px 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.stat-item {
    text-align: center;
    color: var(--white);
}

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 8px;
}

.stat-number::after {
    content: '+';
}

.stat-label {
    font-size: 1rem;
    opacity: 0.9;
}

@media (max-width: 768px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ========================================
   Why Us Section
   ======================================== */

.why-us {
    background: var(--white);
}

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

.why-us-text .section-tag {
    margin-bottom: 16px;
}

.why-us-text .section-title {
    text-align: left;
    margin-bottom: 20px;
}

.why-us-text p {
    color: var(--gray);
    margin-bottom: 30px;
}

.features-list {
    list-style: none;
    margin-bottom: 30px;
}

.features-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
    font-weight: 500;
}

.features-list i {
    color: var(--success);
    font-size: 20px;
}

.why-us-image {
    position: relative;
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.image-decoration {
    width: 300px;
    height: 300px;
    background: var(--gradient);
    border-radius: 50%;
    opacity: 0.1;
    position: absolute;
}

.tech-stack {
    position: relative;
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: center;
}

.tech-badge {
    background: var(--white);
    border: 2px solid var(--primary);
    color: var(--primary);
    padding: 12px 24px;
    border-radius: var(--radius);
    font-weight: 600;
    font-size: 14px;
    transition: all 0.3s ease;
}

.tech-badge:hover {
    background: var(--primary);
    color: var(--white);
}

@media (max-width: 900px) {
    .why-us-content {
        grid-template-columns: 1fr;
    }
    
    .why-us-text .section-title {
        text-align: center;
    }
    
    .why-us-text {
        text-align: center;
    }
    
    .features-list li {
        justify-content: center;
    }
}

/* ========================================
   Recent Posts
   ======================================== */

.recent-posts {
    background: var(--light);
}

.posts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.post-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
}

.post-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.post-image {
    height: 200px;
    background: var(--gradient);
    display: flex;
    align-items: center;
    justify-content: center;
}

.post-image i {
    font-size: 60px;
    color: var(--white);
    opacity: 0.5;
}

.post-content {
    padding: 24px;
}

.post-meta {
    display: flex;
    gap: 16px;
    margin-bottom: 12px;
    font-size: 13px;
    color: var(--gray);
}

.post-meta i {
    margin-right: 4px;
}

.post-card h3 {
    font-size: 1.2rem;
    margin-bottom: 12px;
    color: var(--dark);
}

.post-card p {
    color: var(--gray);
    font-size: 15px;
    margin-bottom: 16px;
}

.post-link {
    color: var(--primary);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.post-link:hover {
    gap: 12px;
}

/* ========================================
   CTA Section
   ======================================== */

.cta {
    background: var(--dark);
    position: relative;
    overflow: hidden;
}

.cta::before {
    content: '';
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(79, 70, 229, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 50%, rgba(14, 165, 233, 0.2) 0%, transparent 50%);
}

.cta-content {
    position: relative;
    text-align: center;
    color: var(--white);
}

.cta h2 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 16px;
}

.cta p {
    font-size: 1.2rem;
    color: var(--gray-light);
    margin-bottom: 32px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

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

/* ========================================
   Footer
   ======================================== */

.footer {
    background: var(--dark-light);
    color: var(--white);
    padding: 80px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 40px;
    margin-bottom: 60px;
}

.footer-logo {
    height: 40px;
    margin-bottom: 20px;
}

.footer-col p {
    color: var(--gray-light);
    margin-bottom: 24px;
}

.social-links {
    display: flex;
    gap: 12px;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    transition: all 0.3s ease;
}

.social-links a:hover {
    background: var(--primary);
    transform: translateY(-3px);
}

.footer-col h4 {
    font-size: 1.1rem;
    margin-bottom: 24px;
    position: relative;
}

.footer-col h4::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 30px;
    height: 2px;
    background: var(--primary);
}

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

.footer-col ul li {
    margin-bottom: 12px;
}

.footer-col ul a {
    color: var(--gray-light);
}

.footer-col ul a:hover {
    color: var(--white);
    padding-left: 5px;
}

.contact-info li {
    display: flex;
    align-items: center;
    gap: 12px;
}

.contact-info i {
    color: var(--primary-light);
    width: 20px;
}

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

@media (max-width: 900px) {
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-col h4::after {
        left: 50%;
        transform: translateX(-50%);
    }
    
    .social-links {
        justify-content: center;
    }
    
    .contact-info li {
        justify-content: center;
    }
}

/* ========================================
   Page Specific Styles
   ======================================== */

.page-header {
    background: var(--dark);
    padding: 150px 0 80px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(circle at 30% 70%, rgba(79, 70, 229, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 70% 30%, rgba(14, 165, 233, 0.2) 0%, transparent 50%);
}

.page-header .container {
    position: relative;
}

.page-header h1 {
    font-size: 3rem;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 16px;
}

.page-header p {
    font-size: 1.2rem;
    color: var(--gray-light);
    max-width: 600px;
    margin: 0 auto;
}

.breadcrumb {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-bottom: 24px;
    font-size: 14px;
}

.breadcrumb a {
    color: var(--gray-light);
}

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

.breadcrumb span {
    color: var(--primary-light);
}

/* ========================================
   Services Page
   ======================================== */

.service-detail {
    padding: 80px 0;
    border-bottom: 1px solid var(--light);
}

.service-detail:nth-child(even) {
    background: var(--light);
}

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

.service-detail:nth-child(even) .service-detail-content {
    direction: rtl;
}

.service-detail:nth-child(even) .service-detail-content > * {
    direction: ltr;
}

.service-detail-text h2 {
    font-size: 2rem;
    margin-bottom: 20px;
    color: var(--dark);
}

.service-detail-text p {
    color: var(--gray);
    margin-bottom: 24px;
}

.service-features {
    list-style: none;
}

.service-features li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 16px;
}

.service-features i {
    color: var(--primary);
    margin-top: 4px;
}

.service-detail-image {
    background: var(--gradient);
    border-radius: var(--radius-lg);
    height: 350px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.service-detail-image i {
    font-size: 100px;
    color: var(--white);
    opacity: 0.3;
}

@media (max-width: 900px) {
    .service-detail-content,
    .service-detail:nth-child(even) .service-detail-content {
        grid-template-columns: 1fr;
        direction: ltr;
    }
}

/* ========================================
   Blog Page
   ======================================== */

.blog-page {
    padding: 80px 0;
    background: var(--light);
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.blog-featured {
    grid-column: span 2;
}

.blog-featured .post-image {
    height: 300px;
}

.pagination {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 60px;
}

.pagination a, .pagination span {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius);
    background: var(--white);
    color: var(--dark);
    font-weight: 600;
    transition: all 0.3s ease;
}

.pagination a:hover, .pagination span.active {
    background: var(--primary);
    color: var(--white);
}

@media (max-width: 768px) {
    .blog-featured {
        grid-column: span 1;
    }
    
    .blog-grid {
        grid-template-columns: 1fr;
    }
}

/* ========================================
   Form Styles
   ======================================== */

.form-section {
    padding: 80px 0;
}

.form-container {
    max-width: 800px;
    margin: 0 auto;
    background: var(--white);
    padding: 50px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.form-group {
    margin-bottom: 24px;
}

.form-group.full-width {
    grid-column: span 2;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--dark);
}

.form-group label .required {
    color: var(--danger);
}

.form-control {
    width: 100%;
    padding: 14px 18px;
    border: 2px solid #e2e8f0;
    border-radius: var(--radius);
    font-size: 16px;
    font-family: inherit;
    transition: all 0.3s ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(79, 70, 229, 0.1);
}

textarea.form-control {
    min-height: 150px;
    resize: vertical;
}

select.form-control {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%2364748b' viewBox='0 0 16 16'%3E%3Cpath d='M7.247 11.14 2.451 5.658C1.885 5.013 2.345 4 3.204 4h9.592a1 1 0 0 1 .753 1.659l-4.796 5.48a1 1 0 0 1-1.506 0z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 18px center;
}

.form-submit {
    text-align: center;
    margin-top: 16px;
}

.form-submit .btn {
    min-width: 200px;
}

.form-success {
    background: rgba(16, 185, 129, 0.1);
    border: 2px solid var(--success);
    color: var(--success);
    padding: 20px;
    border-radius: var(--radius);
    text-align: center;
    margin-bottom: 24px;
    display: none;
}

.form-success.show {
    display: block;
}

.form-error {
    background: rgba(239, 68, 68, 0.1);
    border: 2px solid var(--danger);
    color: var(--danger);
    padding: 20px;
    border-radius: var(--radius);
    text-align: center;
    margin-bottom: 24px;
    display: none;
}

.form-error.show {
    display: block;
}

@media (max-width: 768px) {
    .form-container {
        padding: 30px 20px;
    }
    
    .form-grid {
        grid-template-columns: 1fr;
    }
    
    .form-group.full-width {
        grid-column: span 1;
    }
}

/* ========================================
   Loading & Animations
   ======================================== */

.loading {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 60px;
}

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 4px solid var(--light);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.fade-in {
    animation: fadeIn 0.5s ease forwards;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ========================================
   Utilities
   ======================================== */

.hidden {
    display: none !important;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}