/* ======================================
   Speed Trans Logistic Service - Main Styles
   Brazilian-themed Logistics Website
   ====================================== */

/* ===== CSS Variables ===== */
:root {
    /* Primary Colors - Red with Brazilian Accents */
    --primary-red: #C41E3A;
    --primary-dark: #1a1a1a;
    --primary-black: #0d0d0d;
    
    /* Brazilian Accent Colors */
    --brazil-green: #009739;
    --brazil-yellow: #FEDD00;
    --accent-gold: #FFB300;
    
    /* Neutral Colors */
    --white: #ffffff;
    --light-gray: #f8f9fa;
    --medium-gray: #6c757d;
    --dark-gray: #343a40;
    
    /* Gradient */
    --gradient-primary: linear-gradient(135deg, var(--primary-red) 0%, #8B1529 100%);
    --gradient-accent: linear-gradient(135deg, var(--brazil-green) 0%, #007A2D 100%);
    
    /* Typography */
    --font-primary: 'Inter', sans-serif;
    --font-heading: 'Poppins', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 25px rgba(0,0,0,0.15);
    --shadow-xl: 0 20px 40px rgba(0,0,0,0.2);
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* ===== Global Styles ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-primary);
    line-height: 1.6;
    color: var(--dark-gray);
    background-color: var(--white);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

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

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

/* ===== Typography ===== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
}

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; }

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-family: var(--font-primary);
    font-weight: 600;
    font-size: 1rem;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition-normal);
    text-align: center;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--white);
    box-shadow: var(--shadow-md);
}

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

.btn-secondary {
    background: transparent;
    color: var(--white);
    border: 2px solid var(--white);
}

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

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

.btn-white:hover {
    background: var(--light-gray);
}

.btn-outline-white {
    background: transparent;
    color: var(--white);
    border: 2px solid var(--white);
}

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

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

/* ===== Header/Navigation ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(26, 26, 26, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
}

.header.scrolled {
    background: rgba(13, 13, 13, 0.98);
    box-shadow: var(--shadow-lg);
}

.navbar {
    padding: 1rem 0;
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo img {
    height: 50px;
    width: auto;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    color: var(--white);
    font-weight: 500;
    font-size: 0.95rem;
    padding: 0.5rem 0;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-red);
    transition: var(--transition-normal);
}

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

.dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--primary-dark);
    list-style: none;
    padding: 1rem 0;
    min-width: 220px;
    border-radius: 8px;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: var(--transition-normal);
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu li {
    padding: 0.5rem 1.5rem;
}

.dropdown-menu a {
    color: var(--white);
    display: block;
}

.dropdown-menu a:hover {
    color: var(--primary-red);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--white);
    border-radius: 2px;
    transition: var(--transition-normal);
}

/* ===== Hero Section ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    overflow: hidden;
    padding-top: 80px;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-black) 100%);
}

.hero-background::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="100" height="100" patternUnits="userSpaceOnUse"><path d="M 100 0 L 0 0 0 100" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 50%, rgba(196, 30, 58, 0.3) 0%, transparent 50%),
                radial-gradient(circle at 70% 50%, rgba(0, 151, 57, 0.2) 0%, transparent 50%);
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.hero-title {
    font-size: 4rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    line-height: 1.1;
}

.hero-title .highlight {
    background: linear-gradient(135deg, var(--primary-red) 0%, var(--accent-gold) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.5rem;
    font-weight: 300;
    margin-bottom: 2.5rem;
    opacity: 0.9;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 4rem;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 4rem;
    margin-top: 4rem;
}

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

.stat-number {
    display: block;
    font-size: 3rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--brazil-yellow) 0%, var(--accent-gold) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    display: block;
    font-size: 0.9rem;
    opacity: 0.8;
    margin-top: 0.5rem;
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    font-size: 1.5rem;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
    40% { transform: translateX(-50%) translateY(-10px); }
    60% { transform: translateX(-50%) translateY(-5px); }
}

/* Animations */
.animate-fade-in {
    animation: fadeIn 1s ease;
}

.animate-fade-in-delay {
    animation: fadeIn 1s ease 0.3s both;
}

.animate-fade-in-delay-2 {
    animation: fadeIn 1s ease 0.6s both;
}

.animate-fade-in-delay-3 {
    animation: fadeIn 1s ease 0.9s both;
}

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

/* ===== Section Styles ===== */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-tag {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: linear-gradient(135deg, var(--primary-red), var(--brazil-green));
    color: var(--white);
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 1rem;
}

.section-title {
    font-size: 2.5rem;
    color: var(--primary-dark);
    margin-bottom: 1rem;
}

.section-description {
    font-size: 1.1rem;
    color: var(--medium-gray);
    max-width: 700px;
    margin: 0 auto;
}

/* ===== Solutions Showcase ===== */
.solutions-showcase {
    padding: var(--spacing-xl) 0;
    background: var(--light-gray);
}

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

.solution-card {
    background: var(--white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
    position: relative;
}

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

.solution-icon {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.5rem;
    z-index: 2;
}

.solution-image {
    position: relative;
    height: 300px;
    overflow: hidden;
}

.solution-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

.solution-card:hover .solution-image img {
    transform: scale(1.1);
}

.solution-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(196, 30, 58, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition-normal);
}

.solution-card:hover .solution-overlay {
    opacity: 1;
}

.solution-content {
    padding: 2rem;
}

.solution-content h3 {
    color: var(--primary-dark);
    margin-bottom: 1rem;
}

.solution-content p {
    color: var(--medium-gray);
    margin-bottom: 1.5rem;
}

.solution-features {
    list-style: none;
    margin-bottom: 1.5rem;
}

.solution-features li {
    padding: 0.5rem 0;
    color: var(--dark-gray);
}

.solution-features i {
    color: var(--brazil-green);
    margin-right: 0.5rem;
}

.solution-link {
    color: var(--primary-red);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.solution-link:hover {
    gap: 1rem;
}

/* ===== Trusted By Section ===== */
.trusted-by {
    padding: var(--spacing-lg) 0;
    background: var(--white);
    overflow: hidden;
}

.trusted-title {
    text-align: center;
    font-size: 1.5rem;
    color: var(--medium-gray);
    margin-bottom: 2rem;
    font-weight: 400;
}

.clients-marquee {
    overflow: hidden;
    position: relative;
}

.clients-track {
    display: flex;
    gap: 4rem;
    animation: scroll 30s linear infinite;
}

.client-logo {
    flex-shrink: 0;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--medium-gray);
    opacity: 0.6;
    transition: var(--transition-normal);
}

.client-logo:hover {
    opacity: 1;
    color: var(--primary-red);
}

@keyframes scroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* ===== Why Us Section ===== */
.why-us {
    padding: var(--spacing-xl) 0;
    background: var(--primary-dark);
    color: var(--white);
}

.why-us .section-title {
    color: var(--white);
}

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

.why-card {
    background: rgba(255, 255, 255, 0.05);
    padding: 2.5rem;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
    transition: var(--transition-normal);
}

.why-card:hover {
    background: rgba(255, 255, 255, 0.08);
    transform: translateY(-5px);
    border-color: var(--primary-red);
}

.why-icon {
    width: 70px;
    height: 70px;
    background: var(--gradient-primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin-bottom: 1.5rem;
}

.why-content h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.why-content p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.8;
}

.why-number {
    position: absolute;
    top: 1rem;
    right: 1.5rem;
    font-size: 3rem;
    font-weight: 800;
    color: rgba(255, 255, 255, 0.05);
}

/* ===== Call to Action Section ===== */
.cta-section {
    padding: var(--spacing-xl) 0;
    background: var(--gradient-primary);
    color: var(--white);
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.cta-content {
    text-align: center;
    position: relative;
    z-index: 2;
}

.cta-title {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.cta-text {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

/* ===== Newsletter Section ===== */
.newsletter-section {
    padding: var(--spacing-lg) 0;
    background: var(--light-gray);
}

.newsletter-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
    background: var(--white);
    padding: 3rem;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
}

.newsletter-icon {
    font-size: 3rem;
    color: var(--primary-red);
    margin-bottom: 1rem;
}

.newsletter-content h3 {
    color: var(--primary-dark);
    margin-bottom: 0.5rem;
}

.newsletter-content p {
    color: var(--medium-gray);
    margin-bottom: 1rem;
}

.newsletter-note {
    font-size: 0.9rem;
    color: var(--medium-gray);
}

.newsletter-note i {
    color: var(--brazil-green);
}

.newsletter-note a {
    color: var(--primary-red);
    text-decoration: underline;
}

.form-group-inline {
    display: flex;
    gap: 1rem;
}

.form-control {
    flex: 1;
    padding: 1rem;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 1rem;
    transition: var(--transition-normal);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-red);
}

/* ===== Footer ===== */
.footer {
    background: var(--primary-black);
    color: var(--white);
    padding: var(--spacing-lg) 0 var(--spacing-md);
}

.footer-top {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-logo {
    height: 50px;
    margin-bottom: 1rem;
}

.footer-description {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

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

.social-link {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-normal);
}

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

.footer-column h4 {
    margin-bottom: 1.5rem;
    font-size: 1.2rem;
}

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

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

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition-normal);
}

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

.footer-contact {
    list-style: none;
}

.footer-contact li {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
    color: rgba(255, 255, 255, 0.7);
}

.footer-contact i {
    color: var(--primary-red);
    margin-top: 0.2rem;
}

.footer-contact a {
    color: rgba(255, 255, 255, 0.7);
}

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

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-legal {
    display: flex;
    gap: 2rem;
    list-style: none;
}

.footer-legal a {
    color: rgba(255, 255, 255, 0.7);
}

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