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

/* ========== VARIABLES ========== */
:root {
    --primary: #1b52c8;
    --primary-dark: #0f2f72;
    --primary-light: #5d7fc7;
    --secondary: #ffb994;
    --text-dark: #27272a;
    --text-light: #ffffff;
    --text-muted: #75757e;
    --bg-light: #f5f5f5;
    --bg-dark: #0f2f72;
    --border: #e0e0e0;
    --shadow: 0 10px 30px rgba(0,0,0,0.08);
    --container: 1200px;
    --gap: 1rem;
}

body {
    font-family: 'Roboto', sans-serif;
    font-weight: 300;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-dark);
    background: white;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 { font-size: 3.5rem; font-weight: 700; }
h2 { font-size: 2.5rem; font-weight: 600; }
h3 { font-size: 1.75rem; font-weight: 600; }
h4 { font-size: 1.25rem; font-weight: 600; }

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

.container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 20px;
}

section {
    padding: 80px 0;
}

.section-dark {
    background: var(--bg-dark);
    color: var(--text-light);
}
.section-dark h2,
.section-dark h3,
.section-dark h4 {
    color: var(--text-light);
}
.section-light {
    background: white;
}
.section-gray {
    background: var(--bg-light);
}

/* ========== BUTTONS ========== */
.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 0;
    font-weight: 500;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
}
.btn-primary {
    background: var(--primary);
    color: white;
    border: 1px solid var(--primary);
}
.btn-primary:hover {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
    color: white;
}
.btn-outline {
    background: transparent;
    color: var(--primary);
    border: 1px solid var(--primary);
}
.btn-outline:hover {
    background: rgba(27, 82, 200, 0.1);
    color: var(--primary);
}

/* ========== HEADER ========== */
.header {
    position: sticky;
    top: 0;
    background: white;
    box-shadow: 0 2px 15px rgba(0,0,0,0.08);
    z-index: 100;
    padding: 0;
}
.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
}
.logo img {
    max-height: 60px;
    width: auto;
}
.nav {
    display: flex;
    gap: 30px;
}
.nav a {
    font-weight: 500;
    color: var(--text-dark);
    padding: 5px 0;
    border-bottom: 2px solid transparent;
}
.nav a:hover,
.nav a.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
}

/* ========== HERO ========== */
.hero {
    padding: 60px 0;
    background: white;
}
.hero .container {
    display: flex;
    align-items: center;
    gap: 40px;
    flex-wrap: wrap;
}
.hero-content {
    flex: 1;
    min-width: 280px;
}
.hero-content h1 {
    margin-bottom: 20px;
}
.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    color: var(--text-muted);
}
.hero-buttons {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}
.hero-image {
    flex: 1;
    min-width: 280px;
    text-align: center;
}
.hero-image img {
    max-width: 100%;
    border-radius: 150px;
}

/* ========== FEATURES GRID ========== */
.features-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
    justify-content: center;
}
.feature-card {
    flex: 1;
    min-width: 250px;
    text-align: center;
    padding: 30px 20px;
    background: white;
    box-shadow: var(--shadow);
}
.feature-card .icon {
    margin-bottom: 20px;
}
.feature-card .icon svg {
    width: 60px;
    height: 60px;
    fill: var(--primary);
}
.feature-card h4 {
    margin-bottom: 15px;
}
.feature-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* ========== ABOUT SECTION ========== */
.about-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 40px;
    align-items: center;
}
.about-content {
    flex: 1.2;
    min-width: 280px;
}
.about-image {
    flex: 1;
    min-width: 280px;
}
.about-image img {
    width: 100%;
    border-radius: 8px;
}
.divider {
    width: 80px;
    height: 4px;
    background: var(--primary);
    margin: 20px 0;
}

/* ========== PRODUCT CARDS ========== */
.products-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
    justify-content: center;
}
.product-card {
    flex: 1;
    min-width: 280px;
    background: white;
    box-shadow: var(--shadow);
    padding: 25px;
    text-align: center;
    transition: transform 0.3s ease;
}
.product-card:hover {
    transform: translateY(-5px);
}
.product-card img {
    max-width: 100%;
    border-radius: 8px;
    margin-bottom: 20px;
}
.product-card h4 {
    margin-bottom: 15px;
}
.product-card p {
    font-size: 0.9rem;
    text-align: left;
}

/* ========== SPLIT SECTION ========== */
.split-section {
    display: flex;
    flex-wrap: wrap;
}
.split-half {
    flex: 1;
    min-width: 280px;
}
.split-half img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    min-height: 400px;
}
.split-content {
    padding: 60px 40px;
    background: white;
}
.split-content.dark {
    background: var(--bg-dark);
    color: white;
}
.split-content.dark .divider {
    background: var(--primary);
}

/* ========== CHECKLIST ========== */
.checklist {
    list-style: none;
    margin-top: 20px;
}
.checklist li {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
    font-size: 1.1rem;
}
.checklist li svg {
    width: 24px;
    height: 24px;
    fill: var(--primary);
    flex-shrink: 0;
}

/* ========== STATS ========== */
.stats-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 40px;
    justify-content: center;
    text-align: center;
}
.stat-card {
    flex: 1;
    min-width: 150px;
}
.stat-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary);
}
.stat-label {
    font-size: 1rem;
    color: var(--text-muted);
}

/* ========== CONTACT ========== */
.contact-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 40px;
}
.contact-info {
    flex: 1;
    min-width: 280px;
}
.contact-form-wrapper {
    flex: 1;
    min-width: 280px;
    background: white;
    padding: 30px;
    box-shadow: var(--shadow);
}
.contact-form-wrapper h3 {
    margin-bottom: 0;
}
.contact-list {
    list-style: none;
    margin-top: 20px;
}
.contact-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 15px;
}
.contact-list li svg {
    width: 22px;
    height: 22px;
    fill: var(--primary);
    flex-shrink: 0;
}
.contact-list a {
    color: var(--text-dark);
}
.contact-list a:hover {
    color: var(--primary);
}

/* ========== CONTACT FORM ========== */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}
.form-row {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}
.form-row .form-group {
    flex: 1;
    min-width: 180px;
}
.form-group {
    display: flex;
    flex-direction: column;
}
.form-group label {
    font-weight: 500;
    margin-bottom: 8px;
    font-size: 0.9rem;
}
.form-group .required {
    color: #e74c3c;
}
.form-group input,
.form-group textarea {
    padding: 12px 15px;
    border: 1px solid #ddd;
    font-family: inherit;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}
.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
}
.form-group input.error,
.form-group textarea.error {
    border-color: #e74c3c;
}
.error-message {
    color: #e74c3c;
    font-size: 0.75rem;
    margin-top: 5px;
    min-height: 20px;
}
.form-status {
    margin-top: 10px;
    padding: 12px;
    border-radius: 4px;
    display: none;
}
.form-status.success {
    display: block;
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}
.form-status.error {
    display: block;
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}
.form-status.loading {
    display: block;
    background: #e2e3e5;
    color: #383d41;
    border: 1px solid #d6d8db;
}

/* ========== FOOTER ========== */
.footer {
    background: #1a1a1a;
    color: rgba(255,255,255,0.7);
    text-align: center;
    padding: 30px 0;
    font-size: 0.9rem;
}

/* ========== RESPONSIVE ========== */
@media (max-width: 768px) {
    h1 { font-size: 2.2rem; }
    h2 { font-size: 1.8rem; }
    h3 { font-size: 1.4rem; }
    section { padding: 50px 0; }
    .hero { padding: 40px 0; }
    .split-content { padding: 40px 20px; }
    .nav { gap: 20px; }
}

@media (max-width: 480px) {
    .header .container {
        flex-direction: column;
        text-align: center;
    }
    .hero-buttons {
        justify-content: center;
    }
    .hero-content {
        text-align: center;
    }
}