/* ==================== CSS VARIABLES & BRANDING ==================== */
:root {
    --clr-primary: #003049;
    --clr-secondary: #d62828;
    --clr-accent: #f77f00;
    --clr-grey: #f8f9fa;
    --clr-dark: #212529;
    --clr-white: #ffffff;
    --clr-text: #333333;
    --clr-text-light: #666666;
    --clr-success: #28a745;
    --clr-warning: #ffc107;

    --max-width: 1200px;
    --radius: 8px;
    --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

    --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 15px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.1);

    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font);
    color: var(--clr-dark);
    line-height: 1.6;
    overflow-x: hidden;
}

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

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

ul {
    list-style-position: inside;
}

button {
    cursor: pointer;
    border: none;
    background: none;
    font-family: inherit;
}

/* ==================== TYPOGRAPHY ==================== */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 1rem;
    color: var(--clr-primary);
}

h1 {
    font-size: 2.5rem;
    font-weight: 700;
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1.5rem;
}

p {
    margin-bottom: 1rem;
    color: var(--clr-text-light);
}

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

/* ==================== LAYOUT HELPERS ==================== */
.container {
    width: 90%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 20px;
}

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

.grid-3 {
    display: grid;
    gap: 2rem;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.grid-4 {
    display: grid;
    gap: 1.5rem;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.py-3 {
    padding: 4rem 0;
}

.bg-light {
    background: var(--clr-grey);
}

/* ==================== BUTTONS ==================== */
.btn {
    display: inline-block;
    padding: 0.85rem 1.8rem;
    border-radius: var(--radius);
    font-weight: 600;
    transition: var(--transition);
    text-align: center;
    border: 2px solid transparent;
    font-size: 1rem;
}

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

.btn-primary:hover {
    background: #002037;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background: var(--clr-accent);
    color: var(--clr-white);
}

.btn-secondary:hover {
    background: #e17600;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

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

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

/* ==================== HEADER & NAVIGATION ==================== */
.topbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: var(--transition);
}

.logo img {
    height: 48px;
    width: auto;
}

.desktop-nav {
    display: flex;
    gap: 2rem;
}

.desktop-nav a {
    font-weight: 500;
    color: var(--clr-text);
    position: relative;
    padding: 0.5rem 0;
}

.desktop-nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--clr-secondary);
    transition: var(--transition);
}

.desktop-nav a:hover {
    color: var(--clr-primary);
}

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

.hamburger {
    display: none;
    font-size: 1.4rem;
    color: var(--clr-primary);
    padding: 0.5rem;
}

.mobile-nav {
    display: none;
    flex-direction: column;
    background: var(--clr-white);
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    box-shadow: var(--shadow-md);
    padding: 1rem 0;
}

.mobile-nav a {
    padding: 1rem 5%;
    border-top: 1px solid #eee;
    font-weight: 500;
    transition: var(--transition);
}

.mobile-nav a:hover {
    background: var(--clr-grey);
    color: var(--clr-primary);
}

/* ==================== HERO SECTION ==================== */
.hero {
    background: linear-gradient(135deg, var(--clr-primary) 0%, #005a7a 100%);
    color: var(--clr-white);
    padding: 8rem 0 6rem;
    margin-top: 70px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="75" cy="75" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="50" cy="10" r="0.5" fill="rgba(255,255,255,0.05)"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.3;
}

/* Solutions Hero with Background Image */
#services.hero {
    background: linear-gradient(rgba(0, 48, 73, 0.85), rgba(0, 90, 122, 0.85)), url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 800"><defs><pattern id="cargo" patternUnits="userSpaceOnUse" width="400" height="300"><rect fill="%23f0f0f0" width="400" height="300"/><g opacity="0.15"><rect x="50" y="50" width="80" height="60" fill="%23003049" rx="5"/><rect x="150" y="80" width="80" height="60" fill="%23d62828" rx="5"/><rect x="250" y="40" width="80" height="60" fill="%23f77f00" rx="5"/><circle cx="90" cy="200" r="30" fill="%23003049" opacity="0.7"/><circle cx="190" cy="230" r="30" fill="%23d62828" opacity="0.7"/><circle cx="290" cy="190" r="30" fill="%23f77f00" opacity="0.7"/></g></pattern></defs><rect width="1200" height="800" fill="url(%23cargo)"/></svg>');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

/* Service Hero with Logistics Background */
.service-hero {
    background: linear-gradient(135deg, var(--clr-primary) 0%, var(--clr-secondary) 100%);
    color: var(--clr-white);
    padding: 6rem 0 4rem;
    margin-top: 70px;
    position: relative;
    overflow: hidden;
}

.service-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 800"><defs><pattern id="logistics" patternUnits="userSpaceOnUse" width="600" height="400"><rect fill="%23f0f0f0" width="600" height="400"/><g opacity="0.1"><rect x="50" y="100" width="200" height="150" fill="%23003049" rx="10"/><rect x="300" y="80" width="180" height="120" fill="%23d62828" rx="10"/><rect x="450" y="150" width="160" height="100" fill="%23f77f00" rx="10"/><path d="M100 300 L150 250 L200 300" stroke="%23003049" stroke-width="3" fill="none"/><path d="M350 280 L400 230 L450 280" stroke="%23d62828" stroke-width="3" fill="none"/><path d="M500 320 L550 270 L600 320" stroke="%23f77f00" stroke-width="3" fill="none"/></g></pattern></defs><rect width="1200" height="800" fill="url(%23logistics)"/></svg>');
    opacity: 0.15;
}

/* Service Hero Section */
.service-hero {
    background: linear-gradient(135deg, var(--clr-primary) 0%, var(--clr-secondary) 100%);
    color: var(--clr-white);
    padding: 6rem 0 4rem;
    margin-top: 70px;
    position: relative;
    overflow: hidden;
}

.service-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="service-grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="20" cy="20" r="1.5" fill="rgba(255,255,255,0.08)"/><circle cx="80" cy="80" r="1.5" fill="rgba(255,255,255,0.08)"/><circle cx="50" cy="50" r="1" fill="rgba(255,255,255,0.04)"/></pattern></defs><rect width="100" height="100" fill="url(%23service-grain)"/></svg>');
    opacity: 0.2;
}

.service-hero-content {
    position: relative;
    z-index: 1;
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.service-icon-large {
    font-size: 5rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.service-hero h1 {
    color: var(--clr-white);
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-inner {
    position: relative;
    z-index: 1;
}

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

.hero h1 {
    color: var(--clr-white);
    font-size: 3rem;
    margin-bottom: 1.5rem;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.hero .subhead {
    font-size: 1.2rem;
    max-width: 700px;
    margin: 0 auto 2rem;
    color: rgba(255, 255, 255, 0.9);
}

.hero-cta {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 2.5rem;
}

/* ==================== SOLUTIONS SECTION ==================== */
.solutions-grid {
    display: grid;
    gap: 3rem;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    margin-top: 3rem;
}

.solution-card {
    background: var(--clr-white);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    transition: var(--transition);
}

.solution-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.solution-icon {
    background: linear-gradient(135deg, var(--clr-primary) 0%, var(--clr-secondary) 100%);
    color: var(--clr-white);
    padding: 2rem;
    text-align: center;
    font-size: 3rem;
}

.solution-content {
    padding: 2.5rem;
}

.solution-content h3 {
    color: var(--clr-dark);
}

.solution-tagline {
    font-size: 1.1rem;
    color: var(--clr-dark);
    margin-bottom: 1.5rem;
    line-height: 1.5;
}

.solution-benefits {
    list-style: none;
    margin: 1.5rem 0;
}

.solution-benefits li {
    display: flex;
    align-items: flex-start;
    margin-bottom: 0.75rem;
    padding-left: 0;
    color: var(--clr-dark);
}

.solution-benefits i {
    color: var(--clr-success);
    margin-right: 0.75rem;
    margin-top: 0.25rem;
    flex-shrink: 0;
}

/* ==================== PAIN POINTS SECTION ==================== */
.pain-grid {
    display: grid;
    gap: 2rem;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    margin: 3rem 0;
}

.pain-item {
    background: var(--clr-white);
    padding: 2rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
    text-align: center;
    border-top: 4px solid var(--clr-warning);
}

.pain-item i {
    font-size: 2.5rem;
    color: var(--clr-secondary);
    margin-bottom: 1rem;
}

.pain-item h4 {
    color: var(--clr-primary);
    margin-bottom: 1rem;
}

.pain-cta {
    background: linear-gradient(135deg, var(--clr-primary) 0%, var(--clr-secondary) 100%);
    color: var(--clr-white);
    padding: 3rem;
    border-radius: var(--radius);
    text-align: center;
    margin-top: 3rem;
}

.pain-cta h3 {
    color: var(--clr-white);
    font-size: 1.8rem;
    margin-bottom: 1rem;
}

.pain-cta p {
    color: rgba(255, 255, 255, 0.9);
    max-width: 700px;
    margin: 0 auto 2rem;
}

.benefit-list {
    margin: 2rem 0;
}

.benefit-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 1rem;
    text-align: left;
}

.benefit-item i {
    color: var(--clr-success);
    margin-right: 1rem;
    margin-top: 0.25rem;
    flex-shrink: 0;
}

/* ==================== PROCESS STEPS ==================== */
.process-steps {
    max-width: 900px;
    margin: 3rem auto;
}

.process-step {
    display: flex;
    align-items: flex-start;
    margin-bottom: 2rem;
    background: var(--clr-white);
    padding: 2rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
}

.step-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--clr-primary) 0%, var(--clr-secondary) 100%);
    color: var(--clr-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: bold;
    margin-right: 1.5rem;
    flex-shrink: 0;
}

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

/* Country Flag Emoji */
.country-flag-emoji {
    font-size: 3rem;
    margin-bottom: 1rem;
}

/* ==================== METRICS SECTION ==================== */
.metrics-grid {
    display: grid;
    gap: 2rem;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    margin-top: 3rem;
}

.metric-card {
    background: var(--clr-white);
    padding: 2.5rem 2rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
    text-align: center;
    border-top: 4px solid var(--clr-accent);
}

.metric-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--clr-primary);
    margin-bottom: 0.5rem;
}

.metric-label {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--clr-secondary);
    margin-bottom: 0.5rem;
}

/* ==================== ABOUT SECTION ==================== */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    margin-top: 3rem;
}

.about-text p {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
}

.differentiators {
    margin-top: 2rem;
}

.differentiators h3 {
    color: var(--clr-primary);
    margin-bottom: 1.5rem;
}

/* ==================== FAQ SECTION ==================== */
.faq-list {
    max-width: 900px;
    margin: 3rem auto;
}

.faq-item {
    background: var(--clr-white);
    border-radius: var(--radius);
    margin-bottom: 1rem;
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.faq-question {
    width: 100%;
    padding: 1.5rem;
    background: var(--clr-white);
    border: none;
    text-align: left;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--clr-primary);
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition);
}

.faq-question:hover {
    background: var(--clr-grey);
}

.faq-question i {
    transition: var(--transition);
    color: var(--clr-secondary);
}

.faq-question.active i {
    transform: rotate(180deg);
}

.faq-answer {
    padding: 0 1.5rem;
    max-height: 0;
    overflow: hidden;
    transition: var(--transition);
}

.faq-answer.active {
    padding: 1.5rem;
    max-height: 500px;
}

.faq-answer p {
    margin: 0;
    color: var(--clr-text-light);
}

/* ==================== GUARANTEE SECTION ==================== */
.guarantee-box {
    background: var(--clr-white);
    padding: 3rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    border: 2px solid var(--clr-success);
}

.guarantee-list {
    margin: 2rem 0;
}

.guarantee-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 1.5rem;
    padding: 1.5rem;
    background: var(--clr-grey);
    border-radius: var(--radius);
}

.guarantee-item i {
    font-size: 2rem;
    color: var(--clr-success);
    margin-right: 1rem;
    flex-shrink: 0;
}

.guarantee-item h4 {
    color: var(--clr-primary);
    margin-bottom: 0.5rem;
}

/* ==================== CONTACT FORM STYLING ==================== */
.contact-form {
    display: grid;
    gap: 1.5rem;
    max-width: 700px;
    margin: 2rem auto;
}

.contact-form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
    width: 100%;
    padding: 1rem;
    border: 2px solid #e0e0e0;
    border-radius: var(--radius);
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
    background: var(--clr-white);
    color: var(--clr-dark);
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--clr-primary);
    box-shadow: 0 0 0 3px rgba(0, 48, 73, 0.1);
}

.contact-form textarea {
    resize: vertical;
    min-height: 140px;
    grid-column: 1 / -1;
}

@media (max-width: 768px) {
    .contact-form-row {
        grid-template-columns: 1fr;
    }
}

/* ==================== CONTACT SECTION ==================== */
.contact-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
    margin-top: 3rem;
}

.contact-form-container {
    background: var(--clr-white);
    padding: 2.5rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
}

.contact-form-container h3 {
    color: var(--clr-primary);
    margin-bottom: 1.5rem;
}

.contact-info h3 {
    color: var(--clr-primary);
    margin-bottom: 1.5rem;
}

.contact-methods {
    margin-bottom: 2rem;
}

.contact-method {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
    padding: 1rem;
    background: var(--clr-white);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.contact-method:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.contact-method i {
    font-size: 1.5rem;
    color: var(--clr-secondary);
    margin-right: 1rem;
    flex-shrink: 0;
}

.contact-method.wa i {
    color: #25d366;
}

.contact-method strong {
    color: var(--clr-primary);
}

.trust-badges {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.trust-badge {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    background: var(--clr-white);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    font-size: 0.9rem;
}

.trust-badge i {
    color: var(--clr-success);
}

/* ==================== FOOTER ==================== */
.footer {
    background: var(--clr-dark);
    color: var(--clr-white);
    padding: 3rem 0 1.5rem;
    font-size: 0.9rem;
}

.footer-inner {
    display: grid;
    gap: 2rem;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    margin-bottom: 2rem;
}

.footer-section h4 {
    color: var(--clr-accent);
    margin-bottom: 1rem;
}

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

.footer-section li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: #cbd5e1;
    transition: var(--transition);
}

.footer-section a:hover {
    color: var(--clr-accent);
}

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

.social-link {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.social-link:hover {
    background: var(--clr-accent);
    transform: translateY(-2px);
}

.social-link.wa {
    background: #25d366;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    color: #94a3b8;
    margin-bottom: 0.5rem;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-top: 1rem;
}

.footer-links a {
    color: #94a3b8;
    font-size: 0.85rem;
}

/* ==================== WHATSAPP FLOATING BUTTON ==================== */
.float-wa {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: #25d366;
    color: var(--clr-white);
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
    z-index: 999;
    text-decoration: none;
}

.float-wa:hover {
    transform: scale(1.1) translateY(-5px);
    box-shadow: var(--shadow-xl);
    background: #128c7e;
}

/* ==================== SECTION TITLES ==================== */
.section-title {
    text-align: center;
    margin-bottom: 3rem;
}

/* ==================== CARDS & COMPONENTS ==================== */
.card {
    background: var(--clr-white);
    padding: 2.5rem 2rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: var(--transition);
    border-top: 4px solid var(--clr-secondary);
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.card i {
    font-size: 2.5rem;
    color: var(--clr-secondary);
    margin-bottom: 1.5rem;
}

.highlight-box {
    background: var(--clr-grey);
    border-left: 4px solid var(--clr-secondary);
    padding: 1.5rem;
    margin: 2rem 0;
    border-radius: var(--radius);
    font-size: 1.1rem;
}

/* ==================== COUNTRY CARDS ==================== */
.country-card {
    display: block;
    background: var(--clr-white);
    border: 2px solid #e0e0e0;
    padding: 2.5rem 1.5rem;
    text-align: center;
    border-radius: var(--radius);
    transition: var(--transition);
    font-weight: 600;
    box-shadow: var(--shadow-sm);
}

.country-card:hover {
    border-color: var(--clr-accent);
    color: var(--clr-accent);
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.country-card i {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--clr-primary);
}

.country-card h3 {
    margin-bottom: 0.5rem;
}

/* ==================== PLACEHOLDER IMAGES ==================== */
.placeholder-img {
    width: 100%;
    height: 250px;
    background: linear-gradient(135deg, var(--clr-grey) 0%, #e0e0e0 100%);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--clr-text-light);
    font-weight: 500;
    margin: 1rem 0;
    position: relative;
    overflow: hidden;
}

.placeholder-img::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="placeholder" width="20" height="20" patternUnits="userSpaceOnUse"><rect width="20" height="20" fill="none" stroke="rgba(0,0,0,0.05)" stroke-width="1"/></pattern></defs><rect width="100" height="100" fill="url(%23placeholder)"/></svg>');
}

.placeholder-img.small {
    height: 150px;
}

.placeholder-img.large {
    height: 400px;
}

/* ==================== RESPONSIVE DESIGN ==================== */
@media (max-width: 768px) {
    .desktop-nav {
        display: none;
    }

    .hamburger {
        display: block;
    }

    .hero {
        padding: 6rem 0 4rem;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .hero-cta {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 100%;
        max-width: 300px;
    }

    .solutions-grid {
        grid-template-columns: 1fr;
    }

    .contact-grid,
    .about-content {
        grid-template-columns: 1fr;
    }

    .process-step {
        flex-direction: column;
        text-align: center;
    }

    .step-number {
        margin: 0 auto 1rem;
    }

    .footer-inner {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-links {
        flex-direction: column;
        gap: 0.5rem;
    }

    .float-wa {
        bottom: 20px;
        right: 20px;
        width: 50px;
        height: 50px;
        font-size: 1.5rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    h1 {
        font-size: 1.75rem;
    }

    h2 {
        font-size: 1.5rem;
    }

    .solution-content,
    .card {
        padding: 1.5rem;
    }

    .hero {
        padding: 5rem 0 3rem;
    }
}

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

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {
    0% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.05);
    }

    100% {
        transform: scale(1);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease forwards;
}

/* ==================== ACCESSIBILITY ==================== */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

a:focus,
button:focus,
input:focus,
textarea:focus,
select:focus {
    outline: 2px solid var(--clr-primary);
    outline-offset: 2px;
}

/* ==================== PRINT STYLES ==================== */
@media print {

    .topbar,
    .footer,
    .float-wa,
    .hamburger {
        display: none;
    }

    body {
        font-size: 12pt;
        line-height: 1.4;
    }

    .hero {
        background: none;
        color: var(--clr-dark);
        padding: 2rem 0;
    }

    .hero h1 {
        color: var(--clr-dark);
        text-shadow: none;
    }
}