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

:root {
    --color-primary: #001D4D;
    --color-secondary: #334A71;
    --color-tertiary: #667794;
    --color-light: #99A5B8;
    --color-lighter: #CCD2DB;
    --color-white: #FFFFFF;
    --color-dark: #0A0E27;
    --transition: all 0.3s ease;
}

html {
    scroll-behavior: smooth;
}

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

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

h1 {
    font-size: 3rem;
    line-height: 1.2;
}

h2 {
    font-size: 2.2rem;
    line-height: 1.3;
}

h3 {
    font-size: 1.5rem;
}

p {
    margin-bottom: 1rem;
    line-height: 1.8;
}

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

a:hover {
    color: var(--color-secondary);
}

/* ===== HEADER & NAVIGATION ===== */
header {
    background: var(--color-white);
    box-shadow: 0 2px 10px rgba(0, 29, 77, 0.08);
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo svg {
    width: 30px;
    height: 30px;
}

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

nav a {
    color: var(--color-secondary);
    font-weight: 500;
    position: relative;
}

nav a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-primary);
    transition: var(--transition);
}

nav a:hover::after {
    width: 100%;
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.9rem 2rem;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: var(--color-white);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 29, 77, 0.25);
}

.btn-secondary {
    background: var(--color-lighter);
    color: var(--color-primary);
}

.btn-secondary:hover {
    background: var(--color-light);
}

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

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

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

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero h1 {
    color: var(--color-white);
    margin-bottom: 1.5rem;
    font-size: 2.8rem;
}

.hero p {
    color: rgba(255, 255, 255, 0.95);
    font-size: 1.1rem;
    margin-bottom: 2rem;
    line-height: 1.8;
}

.hero .btn {
    margin-top: 1rem;
}

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

.section {
    padding: 4rem 2rem;
}

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

.section-title h2 {
    margin-bottom: 1rem;
}

.section-title p {
    color: var(--color-tertiary);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

/* ===== GRID LAYOUTS ===== */
.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;
}

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

/* ===== CARDS ===== */
.card {
    background: var(--color-white);
    border: 1px solid var(--color-lighter);
    border-radius: 12px;
    overflow: hidden;
    transition: var(--transition);
}

.card:hover {
    box-shadow: 0 10px 30px rgba(0, 29, 77, 0.15);
    transform: translateY(-5px);
}

.card-image {
    width: 100%;
    height: 250px;
    overflow: hidden;
    background: linear-gradient(135deg, var(--color-lighter) 0%, var(--color-light) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.card:hover .card-image img {
    transform: scale(1.05);
}

.card-content {
    padding: 2rem;
}

.card-content h3 {
    margin-bottom: 1rem;
}

.card-content p {
    color: var(--color-tertiary);
    margin-bottom: 1.5rem;
}

.card-badge {
    display: inline-block;
    background: var(--color-lighter);
    color: var(--color-primary);
    padding: 0.4rem 0.8rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

/* ===== FEATURE CARD ===== */
.feature-card {
    background: rgba(0, 29, 77, 0.03);
    border-left: 4px solid var(--color-primary);
    padding: 2rem;
    border-radius: 8px;
    transition: var(--transition);
}

.feature-card:hover {
    background: rgba(0, 29, 77, 0.06);
}

.feature-icon {
    width: 50px;
    height: 50px;
    background: var(--color-lighter);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
}

.feature-icon svg {
    width: 28px;
    height: 28px;
    color: var(--color-primary);
}

/* ===== INTRODUCTION SECTION ===== */
.intro-section {
    background: var(--color-white);
    padding: 4rem 2rem;
}

.intro-content {
    max-width: 1200px;
    margin: 0 auto;
}

.intro-text {
    color: var(--color-tertiary);
    line-height: 1.9;
    font-size: 1.05rem;
    margin-bottom: 2rem;
}

/* ===== SUPPLY LIST ===== */
.supply-list {
    max-width: 1200px;
    margin: 3rem auto;
    background: rgba(0, 29, 77, 0.02);
    padding: 3rem;
    border-radius: 12px;
}

.supply-list h3 {
    color: var(--color-primary);
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.supply-list ul {
    list-style: none;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.supply-list li {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    color: var(--color-secondary);
}

.supply-list li::before {
    content: '✓';
    color: var(--color-primary);
    font-weight: bold;
    font-size: 1.2rem;
    flex-shrink: 0;
}

/* ===== PROCESS SECTION ===== */
.process-section {
    background: linear-gradient(180deg, rgba(0, 29, 77, 0.03) 0%, rgba(0, 29, 77, 0.06) 100%);
    padding: 4rem 2rem;
}

.process-steps {
    max-width: 1000px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

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

.step-number {
    width: 50px;
    height: 50px;
    background: var(--color-primary);
    color: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.5rem;
    margin: 0 auto 1rem;
}

.process-step p {
    color: var(--color-secondary);
    line-height: 1.6;
}

/* ===== TRUST SECTION ===== */
.trust-section {
    background: var(--color-white);
    padding: 4rem 2rem;
    border-top: 1px solid var(--color-lighter);
}

.trust-content {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.trust-content p {
    color: var(--color-secondary);
    font-size: 1.1rem;
    max-width: 800px;
    margin: 0 auto 2rem;
    line-height: 1.8;
}

/* ===== CONTACT FORM ===== */
.contact-form-wrapper {
    background: rgba(0, 29, 77, 0.03);
    padding: 3rem;
    border-radius: 12px;
}

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

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

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.9rem;
    border: 1px solid var(--color-lighter);
    border-radius: 6px;
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(0, 29, 77, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-submit {
    width: 100%;
}

.form-message {
    padding: 1rem;
    border-radius: 6px;
    margin-bottom: 1.5rem;
    display: none;
}

.form-message.success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
    display: block;
}

.form-message.error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
    display: block;
}

/* ===== INTRO + FORM GRID ===== */
.intro-form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: start;
}

.intro-form-grid-content {
    color: var(--color-secondary);
    line-height: 1.9;
}

.intro-form-grid-content p {
    margin-bottom: 1.5rem;
}

/* ===== FAQ SECTION ===== */
.faq-section {
    background: var(--color-white);
    padding: 4rem 2rem;
}

.faq-items {
    max-width: 1000px;
    margin: 0 auto;
}

.faq-item {
    border-bottom: 1px solid var(--color-lighter);
    padding: 2rem 0;
}

.faq-question {
    color: var(--color-primary);
    font-weight: 600;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.faq-question::after {
    content: '+';
    font-size: 1.5rem;
    transition: var(--transition);
}

.faq-item.active .faq-question::after {
    transform: rotate(45deg);
}

.faq-answer {
    color: var(--color-secondary);
    line-height: 1.8;
    max-height: 0;
    overflow: hidden;
    transition: var(--transition);
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

/* ===== FOOTER ===== */
footer {
    background: var(--color-primary);
    color: var(--color-white);
    padding: 3rem 2rem 1.5rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 2rem;
}

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

.footer-section p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 0.8rem;
}

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

.footer-section ul li {
    margin-bottom: 0.8rem;
}

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

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 1.5rem;
    text-align: center;
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
}

/* ===== PRODUCT LISTING ===== */
.product-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
}

.product-item {
    background: var(--color-white);
    border: 1px solid var(--color-lighter);
    border-radius: 12px;
    overflow: hidden;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.product-item:hover {
    box-shadow: 0 10px 30px rgba(0, 29, 77, 0.15);
    transform: translateY(-3px);
}

.product-image {
    width: 100%;
    height: 280px;
    overflow: hidden;
    /* background: linear-gradient(135deg, var(--color-lighter) 0%, var(--color-light) 100%); */
    display: flex;
    align-items: center;
    justify-content: center;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: var(--transition);
}

.product-item:hover .product-image img {
    transform: scale(1.08);
}

.product-header {
    padding: 2rem;
    background: linear-gradient(135deg, rgba(0, 29, 77, 0.05) 0%, rgba(51, 74, 113, 0.05) 100%);
}

.product-number {
    color: var(--color-primary);
    font-weight: 700;
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

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

.product-specs {
    list-style: none;
    margin-bottom: 1.5rem;
}

.product-specs li {
    color: var(--color-secondary);
    margin-bottom: 0.8rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.product-specs li::before {
    content: '→';
    color: var(--color-primary);
    font-weight: bold;
}

.product-best-for {
    background: var(--color-lighter);
    color: var(--color-primary);
    padding: 1rem;
    border-radius: 6px;
    font-weight: 600;
    text-align: center;
    margin-bottom: 1rem;
}

.product-description {
    padding: 2rem;
    color: var(--color-secondary);
    line-height: 1.8;
}

/* ===== ABOUT PAGE IMAGE ===== */
.about-image {
    width: 100%;
    height: 400px;
    border-radius: 12px;
    overflow: hidden;
    margin: 2rem 0;
}

.about-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

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

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 768px) {
    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.5rem;
    }

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

    nav ul {
        gap: 1rem;
        font-size: 0.9rem;
    }

    .grid-2,
    .grid-2-center,
    .about-section-content {
        grid-template-columns: 1fr;
    }

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

    .process-steps {
        grid-template-columns: 1fr 1fr;
    }

    .supply-list ul {
        grid-template-columns: 1fr;
    }

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

    .intro-form-grid {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .section {
        padding: 2rem 1rem;
    }

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

@media (max-width: 480px) {
    .header-wrapper {
        flex-direction: column;
        gap: 1rem;
    }

    nav ul {
        flex-direction: column;
        gap: 0.5rem;
    }

    h1 {
        font-size: 1.5rem;
    }

    h2 {
        font-size: 1.3rem;
    }

    .process-steps {
        grid-template-columns: 1fr;
    }

    .btn {
        width: 100%;
        justify-content: center;
    }

    .supply-list {
        padding: 1.5rem;
    }

    .contact-form-wrapper {
        padding: 1.5rem;
    }
}

/* ===== UTILITIES ===== */
.text-center {
    text-align: center;
}

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

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

.mt-4 {
    margin-top: 4rem;
}

.mb-4 {
    margin-bottom: 4rem;
}

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