/* ============================================
   8 FIOS - ESTILOS GERAIS
   ============================================ */

:root {
    --primary: #0d6efd;
    --primary-dark: #0a58ca;
    --secondary: #6c757d;
    --dark: #212529;
    --light: #f8f9fa;
    --success: #198754;
    --warning: #ffc107;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Open Sans', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #212529;
    background: #fff;
    overflow-x: hidden;
}

/* ============================================
   TIPOGRAFIA
   ============================================ */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Montserrat', 'Segoe UI', sans-serif;
    font-weight: 600;
    color: #212529;
    margin-bottom: 1rem;
    line-height: 1.3;
}

h1 { font-size: 3rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 2rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

p {
    color: #6c757d;
    margin-bottom: 1rem;
    line-height: 1.8;
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: all 0.3s ease;
}

a:hover {
    color: var(--primary-dark);
    text-decoration: none;
}

/* ============================================
   TOP BAR
   ============================================ */
.top-bar {
    background-color: #212529 !important;
    color: #ffffff;
    padding: 0.75rem 0;
    font-size: 0.875rem;
}

.top-bar a {
    color: #ffffff;
    transition: color 0.3s ease;
}

.top-bar a:hover {
    color: var(--primary);
}

/* ============================================
   NAVBAR
   ============================================ */
.navbar {
    background-color: #212529 !important;
    padding: 1rem 0;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.navbar.sticky-top {
    animation: slideIn 0.5s ease;
}

@keyframes slideIn {
    from {
        transform: translateY(-100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.navbar-brand {
    font-weight: 700;
    color: #ffffff !important;
    display: flex;
    align-items: center;
    transition: transform 0.3s ease;
}

.navbar-brand:hover {
    transform: scale(1.05);
}

.navbar-brand i {
    color: var(--primary);
    font-size: 2rem;
    margin-right: 10px;
}

.nav-link {
    color: rgba(255, 255, 255, 0.85) !important;
    padding: 0.75rem 1.5rem !important;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: width 0.3s ease;
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 80%;
}

.nav-link:hover,
.nav-link.active {
    color: #fff !important;
}

.btn-primary {
    background: var(--primary);
    border: 2px solid var(--primary);
    padding: 0.75rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
    transform: translateY(-3px);
    box-shadow: 0 5px 20px rgba(13, 110, 253, 0.4);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    background: linear-gradient(135deg, #0d6efd 0%, #0a58ca 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('imgs/l8fios.png') center/cover no-repeat;
    opacity: 0.1;
    animation: pulse 4s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 0.1; transform: scale(1); }
    50% { opacity: 0.15; transform: scale(1.05); }
}

.hero-overlay {
    position: relative;
    z-index: 2;
    text-align: center;
    color: #ffffff;
    padding: 2rem;
    animation: fadeInUp 1s ease;
}

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

.hero h1 {
    font-size: 4rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    animation: fadeInUp 1s ease 0.2s backwards;
}

.hero p {
    font-size: 1.5rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2rem;
    animation: fadeInUp 1s ease 0.4s backwards;
}

/* ============================================
   SECTIONS
   ============================================ */
.section {
    padding: 80px 0;
    position: relative;
}

.bg-light {
    background-color: #f8f9fa !important;
}

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

.section-title h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    position: relative;
    display: inline-block;
}

.section-title h2::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--primary);
    border-radius: 2px;
}

.section-title p {
    color: #6c757d;
    font-size: 1.2rem;
    margin-top: 2rem;
}

/* ============================================
   SERVICE CARDS
   ============================================ */
.service-card {
    background: #ffffff;
    padding: 3rem 2rem;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    text-align: center;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    height: 100%;
    border: 2px solid transparent;
}

.service-card:hover {
    transform: translateY(-15px);
    box-shadow: 0 20px 50px rgba(13, 110, 253, 0.2);
    border-color: var(--primary);
}

.service-card i {
    color: var(--primary);
    margin-bottom: 1.5rem;
    transition: transform 0.4s ease;
}

.service-card:hover i {
    transform: scale(1.2) rotate(5deg);
}

.service-card h4 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

/* ============================================
   CLIENT LOGOS
   ============================================ */
.client-logo {
    background: #fff;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    text-align: center;
}

.client-logo:hover {
    transform: scale(1.05);
    box-shadow: 0 10px 30px rgba(13, 110, 253, 0.2);
}

.client-logo img {
    max-width: 100%;
    height: auto;
    transition: transform 0.3s ease;
}

.client-logo:hover img {
    transform: scale(1.1);
}

/* ============================================
   TESTIMONIAL CARDS
   ============================================ */
.testimonial-card {
    background: #fff;
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    height: 100%;
}

.testimonial-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(13, 110, 253, 0.15);
}

.stars {
    color: #ffc107;
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

.testimonial-card p {
    font-style: italic;
    margin-bottom: 1.5rem;
}

.testimonial-author {
    font-weight: 600;
    color: var(--primary);
}

/* ============================================
   CTA SECTION
   ============================================ */
.cta-section {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: #fff;
    padding: 80px 0;
    text-align: center;
}

.cta-section h3 {
    color: #fff;
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.cta-section p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.2rem;
    margin-bottom: 2rem;
}

/* ============================================
   FOOTER
   ============================================ */
footer {
    background-color: #1a1a2e !important;
    color: #ffffff;
    padding: 60px 0 30px;
    position: relative;
}

footer h5 {
    color: var(--primary);
    font-size: 1.3rem;
    margin-bottom: 1.5rem;
    position: relative;
    padding-bottom: 0.75rem;
}

footer h5::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 3px;
    background: var(--primary);
}

footer p, footer a {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 0.8rem;
    transition: all 0.3s ease;
}

footer a:hover {
    color: var(--primary);
    transform: translateX(5px);
}

.footer-links li {
    transition: transform 0.3s ease;
}

.footer-links li:hover {
    transform: translateX(10px);
}

.footer-bottom {
    margin-top: 40px;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* ============================================
   WHATSAPP FLOAT
   ============================================ */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 65px;
    height: 65px;
    background: #25d366;
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.2rem;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    z-index: 1000;
    transition: all 0.3s ease;
    animation: pulse 2s infinite;
}

.whatsapp-float:hover {
    color: #fff;
    transform: scale(1.1) rotate(10deg);
    box-shadow: 0 6px 30px rgba(37, 211, 102, 0.6);
}

@keyframes pulse {
    0%, 100% {
        box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    }
    50% {
        box-shadow: 0 4px 30px rgba(37, 211, 102, 0.7);
    }
}

/* ============================================
   SCROLL TO TOP
   ============================================ */
.scroll-top {
    position: fixed;
    bottom: 100px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--primary);
    color: #fff;
    border: none;
    border-radius: 50%;
    font-size: 1.2rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 999;
    box-shadow: 0 4px 15px rgba(13, 110, 253, 0.3);
}

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

.scroll-top:hover {
    background: var(--primary-dark);
    transform: translateY(-5px);
    box-shadow: 0 6px 20px rgba(13, 110, 253, 0.4);
}

/* ============================================
   PRELOADER
   ============================================ */
#preloader {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: #fff;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

#preloader.hide {
    opacity: 0;
    visibility: hidden;
}

.loader {
    width: 60px;
    height: 60px;
    border: 4px solid #f3f3f3;
    border-top: 4px solid var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* ============================================
   ANIMAÇÕES AOS
   ============================================ */
[data-aos] {
    transition: opacity 0.4s ease, transform 0.4s ease;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 992px) {
    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }
    .hero h1 { font-size: 2.5rem; }
    .hero p { font-size: 1.2rem; }
    .section { padding: 60px 0; }
}

@media (max-width: 768px) {
    .hero { min-height: auto; padding: 100px 0; }
    .hero h1 { font-size: 2rem; }
    .section-title h2 { font-size: 1.75rem; }
    .whatsapp-float {
        width: 55px;
        height: 55px;
        font-size: 1.8rem;
        bottom: 20px;
        right: 20px;
    }
}