/* SpeedTrans Logistics - Main Stylesheet */

/* ===========================
   CSS VARIABLES & RESET
   =========================== */
:root {
    --primary-red: #D32F2F;
    --deep-navy: #1A237E;
    --charcoal: #212121;
    --brazilian-green: #009688;
    --golden-yellow: #FFC107;
    --white: #FFFFFF;
    --light-grey: #F5F5F5;
    --medium-grey: #757575;
    --text-color: #333333;
}

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

body {
    font-family: 'Roboto', 'Open Sans', Arial, sans-serif;
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
}

/* ===========================
   TYPOGRAPHY
   =========================== */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Montserrat', 'Poppins', sans-serif;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

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 { margin-bottom: 1rem; }

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

/* ===========================
   HEADER & NAVIGATION
   =========================== */
.header {
    background-color: var(--white);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: all 0.3s ease;
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
}

.logo img {
    height: 60px;
    width: auto;
}

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

.nav-menu li {
    position: relative;
}

.nav-menu a {
    color: var(--charcoal);
    font-weight: 500;
    padding: 0.5rem 0;
    transition: color 0.3s ease;
}

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

.dropdown {
    position: relative;
}

.dropdown-content {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background-color: var(--white);
    min-width: 220px;
    box-shadow: 0 8px 16px rgba(0,0,0,0.2);
    border-radius: 4px;
    padding: 0.5rem 0;
    z-index: 1001;
}

.dropdown:hover .dropdown-content {
    display: block;
}

.dropdown-content a {
    display: block;
    padding: 0.75rem 1.5rem;
    color: var(--text-color);
}

.dropdown-content a:hover {
    background-color: var(--light-grey);
    color: var(--primary-red);
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background-color: var(--charcoal);
    transition: all 0.3s ease;
}

/* ===========================
   HERO SECTION
   =========================== */
.hero {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--white);
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-red) 0%, var(--deep-navy) 100%);
    background-size: cover;
    background-position: center;
    z-index: -2;
}

.hero-background::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
    z-index: -1;
}

.hero-content {
    max-width: 900px;
    padding: 2rem;
    animation: fadeInUp 1s ease;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
}

.hero p {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

.cta-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    padding: 1rem 2.5rem;
    border-radius: 5px;
    font-weight: 600;
    font-size: 1.1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
    display: inline-block;
}

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

.btn-primary:hover {
    background-color: #B71C1C;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(211, 47, 47, 0.4);
}

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

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

/* Statistics Bar */
.stats-bar {
    position: absolute;
    bottom: 50px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 3rem;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    padding: 2rem 3rem;
    border-radius: 10px;
}

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

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--golden-yellow);
    display: block;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--white);
    opacity: 0.9;
}

/* ===========================
   SERVICES SECTION
   =========================== */
.services {
    padding: 5rem 2rem;
    background-color: var(--white);
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-header h2 {
    color: var(--charcoal);
    margin-bottom: 1rem;
}

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

.services-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.service-card {
    background: var(--white);
    padding: 2.5rem;
    border-radius: 10px;
    text-align: center;
    transition: all 0.3s ease;
    border: 2px solid var(--light-grey);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
    border-color: var(--primary-red);
}

.service-icon {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
}

.service-card h3 {
    color: var(--charcoal);
    margin-bottom: 1rem;
}

.service-card p {
    color: var(--medium-grey);
    margin-bottom: 1.5rem;
}

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

.service-link:hover {
    gap: 0.8rem;
}

/* ===========================
   WHY US SECTION
   =========================== */
.why-us {
    padding: 5rem 2rem;
    background-color: var(--light-grey);
}

.why-us-grid {
    max-width: 1200px;
    margin: 3rem auto 0;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
}

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

.why-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-red), var(--deep-navy));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2rem;
    color: var(--white);
}

.why-item h3 {
    color: var(--charcoal);
    margin-bottom: 1rem;
}

.why-item p {
    color: var(--medium-grey);
}

/* ===========================
   TRUSTED BY SECTION
   =========================== */
.trusted-by {
    padding: 5rem 2rem;
    background-color: var(--white);
    text-align: center;
}

.logos-container {
    max-width: 1000px;
    margin: 3rem auto;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 3rem;
}

.client-logo {
    height: 60px;
    width: auto;
    filter: grayscale(100%);
    opacity: 0.6;
    transition: all 0.3s ease;
}

.client-logo:hover {
    filter: grayscale(0%);
    opacity: 1;
}

/* ===========================
   CTA BANNER
   =========================== */
.cta-banner {
    background: linear-gradient(135deg, var(--primary-red) 0%, var(--deep-navy) 100%);
    padding: 4rem 2rem;
    text-align: center;
    color: var(--white);
}

.cta-banner h2 {
    margin-bottom: 1rem;
}

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

/* ===========================
   NEWSLETTER SECTION
   =========================== */
.newsletter {
    background-color: var(--charcoal);
    padding: 4rem 2rem;
    text-align: center;
    color: var(--white);
}

.newsletter h3 {
    margin-bottom: 1rem;
}

.newsletter p {
    margin-bottom: 2rem;
    opacity: 0.9;
}

.newsletter-form {
    max-width: 600px;
    margin: 0 auto;
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
}

.newsletter-form input {
    flex: 1;
    min-width: 250px;
    padding: 1rem 1.5rem;
    border-radius: 5px;
    border: none;
    font-size: 1rem;
}

.newsletter-form button {
    padding: 1rem 2.5rem;
}

.privacy-note {
    margin-top: 1rem;
    font-size: 0.85rem;
    opacity: 0.7;
}

.privacy-note a {
    color: var(--golden-yellow);
    text-decoration: underline;
}

/* ===========================
   FOOTER
   =========================== */
.footer {
    background-color: var(--charcoal);
    color: var(--white);
    padding: 3rem 2rem 1rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-section h4 {
    color: var(--golden-yellow);
    margin-bottom: 1.5rem;
}

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

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

.footer-section a {
    color: rgba(255, 255, 255, 0.8);
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: var(--golden-yellow);
}

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

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

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

.footer-bottom {
    max-width: 1200px;
    margin: 2rem auto 0;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    font-size: 0.9rem;
    opacity: 0.7;
}

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

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.fade-in {
    animation: fadeIn 1s ease;
}

.fade-in-up {
    animation: fadeInUp 1s ease;
}

/* ===========================
   UTILITY CLASSES
   =========================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

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

.mt-1 { margin-top: 1rem; }
.mt-2 { margin-top: 2rem; }
.mt-3 { margin-top: 3rem; }
.mb-1 { margin-bottom: 1rem; }
.mb-2 { margin-bottom: 2rem; }
.mb-3 { margin-bottom: 3rem; }