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

:root {
    --primary: #0a2e5c;
    --primary-light: #1a4a7a;
    --accent: #4fc3f7;
    --dark: #061a33;
    --light: #f0f5fa;
    --text: #1e2a3a;
    --text-light: #5a7a9a;
    --white: #ffffff;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, sans-serif;
    line-height: 1.6;
    color: var(--text);
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Navigation */
header {
    background: var(--white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    position: sticky;
    top: 0;
    z-index: 100;
}

nav {
    max-width: 1100px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo a {
    display: block;
    text-decoration: none;
}

.logo-img {
    height: 40px;
    width: auto;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 2rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--text);
    font-weight: 500;
    transition: color 0.3s;
}

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

/* Hero */
.hero {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    color: var(--white);
    padding: 6rem 2rem;
    text-align: center;
}

.hero-content {
    max-width: 700px;
    margin: 0 auto;
}

.hero h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    line-height: 1.3;
}

.hero h2 em {
    font-style: normal;
    color: var(--accent);
}

.hero p {
    font-size: 1.2rem;
    opacity: 0.9;
    margin-bottom: 2rem;
}

.cta-button {
    display: inline-block;
    background: var(--accent);
    color: var(--dark);
    padding: 0.8rem 2rem;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 600;
    transition: transform 0.2s, box-shadow 0.2s;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

/* Vision */
.vision {
    padding: 5rem 2rem;
    background: var(--light);
}

.vision h2 {
    text-align: center;
    font-size: 2rem;
    color: var(--primary);
    margin-bottom: 2rem;
}

.vision-text {
    font-size: 1.1rem;
    max-width: 700px;
    margin: 0 auto 1.5rem;
    text-align: center;
    color: var(--text-light);
}

/* Products */
.products {
    padding: 5rem 2rem;
}

.products h2 {
    text-align: center;
    font-size: 2rem;
    color: var(--primary);
    margin-bottom: 3rem;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.product-card {
    background: var(--white);
    border-radius: 10px;
    padding: 2rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    position: relative;
    transition: transform 0.3s;
}

.product-card:hover {
    transform: translateY(-5px);
}

.product-card.featured {
    border: 2px solid var(--primary);
}

.product-badge {
    display: inline-block;
    background: var(--primary);
    color: var(--white);
    padding: 0.25rem 0.75rem;
    border-radius: 3px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    margin-bottom: 1rem;
}

.product-card.upcoming .product-badge {
    background: var(--accent);
    color: var(--dark);
}

.product-card h3 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
    color: var(--dark);
}

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

.product-features {
    list-style: none;
    padding: 0;
}

.product-features li {
    padding: 0.4rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--text-light);
}

.product-features li::before {
    content: "\2713";
    position: absolute;
    left: 0;
    color: var(--accent);
    font-weight: bold;
}

/* Feedback */
.feedback {
    padding: 5rem 2rem;
    background: var(--light);
}

.feedback h2 {
    text-align: center;
    font-size: 2rem;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.feedback > .container > p {
    text-align: center;
    color: var(--text-light);
    margin-bottom: 2rem;
}

#feedback-form {
    max-width: 600px;
    margin: 0 auto;
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid #cdd8e4;
    border-radius: 5px;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
}

.submit-button {
    background: var(--primary);
    color: var(--white);
    border: none;
    padding: 0.8rem 2rem;
    border-radius: 5px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.3s, transform 0.2s;
    width: 100%;
}

.submit-button:hover {
    background: var(--primary-light);
    transform: translateY(-1px);
}

.submit-button:disabled {
    background: #ccc;
    cursor: not-allowed;
    transform: none;
}

.form-status {
    margin-top: 1rem;
    text-align: center;
    padding: 0.75rem;
    border-radius: 5px;
    display: none;
}

.form-status.success {
    display: block;
    background: #d4edda;
    color: #155724;
}

.form-status.error {
    display: block;
    background: #f8d7da;
    color: #721c24;
}

/* Footer */
footer {
    background: var(--dark);
    color: var(--white);
    text-align: center;
    padding: 2rem;
}

footer p {
    opacity: 0.7;
}

/* Responsive */
@media (max-width: 768px) {
    .hero h2 {
        font-size: 1.8rem;
    }

    .nav-links {
        gap: 1rem;
    }

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

/* Founder Story */
.story {
    padding: 5rem 2rem;
    background: var(--white);
}

.story h2 {
    text-align: center;
    font-size: 2rem;
    color: var(--primary);
    margin-bottom: 2.5rem;
}

.story-content {
    max-width: 680px;
    margin: 0 auto;
}

.story-content p {
    font-size: 1.1rem;
    color: var(--text);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.story-content em {
    color: var(--primary);
    font-style: italic;
}

.story-closing {
    font-size: 1.15rem;
    font-weight: 500;
    color: var(--primary);
    border-left: 3px solid var(--accent);
    padding-left: 1.5rem;
    margin-top: 2rem;
}

.story-signature {
    text-align: right;
    font-style: italic;
    color: var(--text-light);
    margin-top: 2rem;
    font-size: 1rem;
}