/* Color Palette */
:root {
    --primary: #F26522;
    --primary-dark: #1B3568;
    --primary-light: #2D5E9B;
    --bg-light: #F0F4F8;
    --text-dark: #1a1a2e;
    --text-light: #5a6a7a;
    --white: #ffffff;
    --border: #CBD5E1;
}

/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: var(--text-dark);
    background-color: var(--white);
    line-height: 1.6;
}

/* Header */
.header {
    background: var(--white);
    border-bottom: 3px solid var(--primary);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

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

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.logo-img {
    height: 56px;
    width: auto;
    display: block;
}

.nav {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    color: var(--text-dark);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--primary);
}

.cta-btn {
    background: var(--primary);
    color: var(--white) !important;
    padding: 0.75rem 1.5rem;
    border-radius: 4px;
    transition: background 0.3s ease;
}

.cta-btn:hover {
    background: var(--primary-dark);
}

.cta-btn.active::after {
    display: none;
}

/* Main Content */
main {
    min-height: calc(100vh - 70px);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-light) 100%);
    color: var(--white);
    padding: 6rem 2rem;
    text-align: center;
    min-height: 600px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.hero-headline {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.hero-subheadline {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

.hero-cta {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--white);
    color: var(--primary-dark);
    padding: 1rem 2rem;
    border-radius: 4px;
    text-decoration: none;
    font-weight: 700;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    font-size: 1.1rem;
}

.hero-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
}

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

/* Sections */
.section {
    padding: 5rem 2rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--primary-dark);
    text-align: center;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-light);
    text-align: center;
    margin-bottom: 3rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* Grid Layout */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

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

/* Cards */
.card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 2rem;
    transition: all 0.3s ease;
    overflow: hidden;
}

.card:hover {
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.1);
    transform: translateY(-4px);
    border-color: var(--primary);
}

.card-icon {
    width: 50px;
    height: 50px;
    margin-bottom: 1rem;
}

.card-icon svg {
    width: 100%;
    height: 100%;
    fill: var(--primary);
}

.card-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--primary-dark);
}

.card-description {
    color: var(--text-light);
    font-size: 0.95rem;
    line-height: 1.6;
}

.card-list {
    list-style: none;
    margin-top: 1rem;
}

.card-list li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--text-light);
}

.card-list li:before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary);
    font-weight: bold;
}

/* Product Cards */
.product-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 8px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.product-card:hover {
    box-shadow: 0 16px 32px rgba(0, 0, 0, 0.1);
    transform: translateY(-8px);
}

.product-image {
    width: 100%;
    height: 250px;
    background: linear-gradient(135deg, var(--bg-light), #c8d8ec);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    color: rgba(255, 255, 255, 0.3);
}

.product-content {
    padding: 2rem;
}

.product-name {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 0.75rem;
}

.product-specs {
    background: var(--bg-light);
    padding: 1rem;
    border-radius: 4px;
    margin: 1rem 0;
    font-size: 0.9rem;
    color: var(--text-dark);
}

/* Two Column Grid */
.intro-grid {

    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: start;
    margin-bottom: 4rem;
}

.intro-text h3 {
    font-size: 1.5rem;
    color: var(--primary-dark);
    margin-bottom: 1rem;
}

.intro-text p {
    color: var(--text-light);
    margin-bottom: 1rem;
    line-height: 1.8;
}

/* Contact Form */
.contact-form {
    background: var(--bg-light);
    padding: 2rem;
    border-radius: 8px;
    border: 1px solid var(--border);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--primary-dark);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border);
    border-radius: 4px;
    font-family: inherit;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(242, 101, 34, 0.15);
}

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

.form-submit {
    background: var(--primary);
    color: var(--white);
    padding: 1rem 2rem;
    border: none;
    border-radius: 4px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.3s ease;
    width: 100%;
}

.form-submit:hover {
    background: var(--primary-dark);
}

/* Messages */
.success-message {
    background: #d4edda;
    color: #155724;
    padding: 1rem;
    border-radius: 4px;
    margin-bottom: 1.5rem;
    border: 1px solid #c3e6cb;
}

.error-message {
    background: #f8d7da;
    color: #721c24;
    padding: 1rem;
    border-radius: 4px;
    margin-bottom: 1.5rem;
    border: 1px solid #f5c6cb;
}

.error-list {
    list-style: none;
    padding-left: 0;
}

.error-list li {
    margin-bottom: 0.5rem;
}

/* Footer Logo */
.footer-logo {
    height: 52px;
    width: auto;
    display: block;
    filter: brightness(0) invert(1);
    opacity: 0.9;
}

/* Footer */
.footer {
    background: var(--text-dark);
    color: var(--white);
    padding: 4rem 2rem 1rem;
    margin-top: 5rem;
}

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

.footer-section h4 {
    color: var(--primary-light);
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

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

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

.footer-section a {
    color: #aaa;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: var(--primary-light);
}

.footer-bottom {
    border-top: 1px solid #444;
    padding-top: 2rem;
    text-align: center;
    color: #999;
}

/* Text Utilities */
.text-center {
    text-align: center;
}

.text-light {
    color: var(--text-light);
}

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

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

/* Responsive Design */
@media (max-width: 768px) {
    .hero-headline {
        font-size: 2rem;
    }

    .hero-subheadline {
        font-size: 1rem;
    }

    .nav {
        gap: 1rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .grid-2,
    .grid-3,
    .intro-grid {
        grid-template-columns: 1fr;
    }

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

    .header-container {
        padding: 0.75rem 1rem;
    }

    .section {
        padding: 3rem 1rem;
    }

    .hero {
        padding: 4rem 1rem;
        min-height: 400px;
    }
}

@media (max-width: 480px) {
    .nav-link {
        font-size: 0.9rem;
    }

    .hero-headline {
        font-size: 1.5rem;
    }

    .hero-subheadline {
        font-size: 0.95rem;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .section {
        padding: 2rem 1rem;
    }

    .card {
        padding: 1.5rem;
    }

    .grid-3 {
        grid-template-columns: 1fr;
    }

    .cta-btn {
        padding: 0.6rem 1.2rem;
        font-size: 0.9rem;
    }

    .hero-cta {
        padding: 0.75rem 1.5rem;
        font-size: 1rem;
    }
}

/* Arrow Icon Animation */
.arrow {
    display: inline-block;
    margin-left: 0.5rem;
    transition: transform 0.3s ease;
}

a:hover .arrow {
    transform: translateX(4px);
}