body {
    font-family: 'Inter', sans-serif;
    margin: 0;
    background: #f5f7fa;
    color: #333;
    line-height: 1.6;
}

.container {
    width: 90%;
    max-width: 1100px;
    margin: auto;
}

/* HEADER */
header {
    background: white;
    border-bottom: 1px solid #ddd;
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
}

nav a {
    margin-left: 20px;
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: 0.2s;
}

nav a:hover {
    color: #1e3a8a;
}

/* HERO */
.hero {
    padding: 80px 0;
    background: #eef2f7;
}

.hero h1 {
    font-size: 44px;
    font-weight: 700;
    margin-bottom: 20px;
}

.hero p {
    font-size: 18px;
    color: #555;
}

/* BUTTONS */
.buttons {
    margin-top: 20px;
}

.btn-primary {
    background: #1e3a8a;
    color: white;
    padding: 12px 26px;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    display: inline-block;
    transition: 0.2s;
}

.btn-primary:hover {
    background: #162c6a;
    transform: translateY(-2px);
}

.btn-secondary {
    border: 2px solid #1e3a8a;
    padding: 12px 24px;
    border-radius: 8px;
    text-decoration: none;
    color: #1e3a8a;
    font-weight: 600;
    transition: 0.2s;
}

.btn-secondary:hover {
    background: #1e3a8a;
    color: white;
}

/* SECTIONS */
.how {
    padding: 60px 0;
    background: white;
}

.rfq-live {
    padding: 60px 0;
    background: white;
}

.industries {
    padding: 60px 0;
    background: white;
}

/* HEADINGS */
h2 {
    font-size: 30px;
    font-weight: 600;
    margin-bottom: 20px;
}

/* CARDS */
.cards {
    display: flex;
    gap: 20px;
    margin-top: 30px;
    flex-wrap: wrap;
}

.card {
    background: white;
    padding: 24px;
    border-radius: 12px;
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.08);
    flex: 1;
    transition: 0.2s;
}

.card:hover {
    transform: translateY(-6px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.12);
}

/* RFQ GRID */
.rfq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 30px;
}

.rfq-card {
    background: white;
    padding: 24px;
    border-radius: 12px;
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.08);
    transition: 0.2s;
}

.rfq-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.12);
}

.rfq-card h3 {
    margin-bottom: 10px;
    color: #1e3a8a;
}

.quote-btn {
    display: inline-block;
    margin-top: 12px;
    padding: 10px 16px;
    background: #1e3a8a;
    color: white;
    text-decoration: none;
    border-radius: 6px;
    font-size: 14px;
    transition: 0.2s;
}

.quote-btn:hover {
    background: #142c6e;
}

/* INDUSTRY GRID */
.industry-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 20px;
    margin-top: 30px;
}

.industry-card {
    background: #f5f7fa;
    padding: 25px;
    text-align: center;
    border-radius: 10px;
    font-weight: 600;
    transition: 0.2s;
}

.industry-card:hover {
    background: #1e3a8a;
    color: white;
    transform: translateY(-4px);
}

/* CTA */
.cta {
    padding: 60px 0;
    text-align: center;
    background: #1e3a8a;
    color: white;
}

.cta a {
    margin-top: 15px;
    display: inline-block;
}

/* FOOTER */
footer {
    background: #111;
    color: white;
    padding: 20px 0;
}

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

.footer a {
    color: white;
    text-decoration: none;
    margin-left: 15px;
    font-size: 14px;
}

.footer a:hover {
    text-decoration: underline;
}

.rfq-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.view-link {
    text-decoration: none;
    font-weight: 600;
    color: #1e3a8a;
}

.view-link:hover {
    text-decoration: underline;
}

/* RFQ PAGE */
.rfq-section {
    padding: 80px 0;
    background: #eef2f7;
}

.rfq-section h1 {
    margin-bottom: 10px;
}

.rfq-subtext {
    color: #555;
    margin-bottom: 30px;
}

.rfq-card {
    background: white;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
}

.rfq-grid-form {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 15px;
    margin-bottom: 15px;
}

.rfq-card input,
.rfq-card select,
.rfq-card textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 14px;
}

.rfq-card textarea {
    height: 100px;
    margin-bottom: 15px;
}

.rfq-card button {
    margin-top: 10px;
}

.rfq-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
    margin-top: 20px;
}

.rfq-card {
    background: white;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
    border-left: 4px solid #2563eb;
}

.rfq-title {
    font-size: 18px;
    font-weight: 600;
    color: #1e293b;
    margin-bottom: 10px;
}

.rfq-info {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    font-size: 14px;
    color: #475569;
    margin-bottom: 15px;
}

.rfq-action a {
    background: #2563eb;
    color: white;
    padding: 8px 14px;
    border-radius: 6px;
    text-decoration: none;
    font-size: 14px;
}

.rfq-action a:hover {
    background: #1d4ed8;
}

/* Mobile Menu Button */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 28px;
    cursor: pointer;
    color: #333;
}

/* Smooth transitions */
nav {
    transition: all 0.3s ease;
}

.mobile-menu-btn {
    transition: transform 0.2s ease;
}

.mobile-menu-btn:active {
    transform: scale(0.95);
}

.btn-primary:active,
.btn-secondary:active,
.quote-btn:active {
    transform: scale(0.98);
}

/* Responsive Styles */
@media (max-width: 768px) {
    /* Header & Navigation */
    .nav {
        flex-direction: column;
        padding: 12px 15px;
        position: relative;
    }

    .logo {
        text-align: center;
        margin-bottom: 5px;
        font-size: 22px;
    }

    .mobile-menu-btn {
        display: block;
        position: absolute;
        top: 12px;
        right: 15px;
        font-size: 26px;
    }

    nav {
        display: none;
        width: 100%;
        flex-direction: column;
        gap: 5px;
        margin-top: 10px;
    }

    nav.show {
        display: flex;
    }

    nav a {
        display: block;
        padding: 10px;
        text-align: center;
        border-bottom: 1px solid #eee;
        font-size: 15px;
        margin: 0;
    }

    nav a:last-child {
        border-bottom: none;
    }

    /* Container */
    .container {
        width: 95%;
        padding-left: 10px;
        padding-right: 10px;
    }

    /* Hero Section */
    .hero {
        padding: 40px 15px;
        text-align: center;
    }

    .hero h1 {
        font-size: 28px;
        line-height: 1.3;
    }

    .hero p {
        font-size: 16px;
    }

    .buttons {
        flex-direction: column;
        gap: 12px;
        margin-top: 20px;
    }

    .btn-primary,
    .btn-secondary {
        display: block;
        text-align: center;
        width: 100%;
        padding: 12px;
        box-sizing: border-box;
    }

    /* Cards Grid */
    .cards {
        flex-direction: column;
        gap: 20px;
    }

    .card {
        width: 100%;
        box-sizing: border-box;
    }

    /* RFQ Grid */
    .rfq-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .rfq-card {
        padding: 15px;
    }

    .rfq-card h3 {
        font-size: 18px;
        margin-bottom: 8px;
    }

    .quote-btn {
        width: 100%;
        text-align: center;
        display: block;
        margin-top: 12px;
        padding: 10px;
        box-sizing: border-box;
    }

    /* Industry Grid */
    .industry-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }

    .industry-card {
        padding: 12px;
        font-size: 14px;
    }

    /* RFQ Header */
    .rfq-header {
        flex-direction: column;
        gap: 10px;
        text-align: center;
    }

    .view-link {
        display: inline-block;
        margin-top: 5px;
    }

    /* CTA Section */
    .cta {
        padding: 40px 15px;
        text-align: center;
    }

    .cta h2 {
        font-size: 24px;
    }

    .cta p {
        font-size: 15px;
        margin: 15px 0;
    }

    /* Footer */
    .footer {
        flex-direction: column;
        text-align: center;
        gap: 15px;
    }

    .footer div {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 15px;
    }

    .footer a {
        margin: 0;
    }

    /* RFQ Info */
    .rfq-info {
        flex-direction: column;
        gap: 5px;
    }

    /* Better touch targets */
    button,
    a,
    .btn-primary,
    .btn-secondary,
    .quote-btn,
    .view-link {
        min-height: 44px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }

    /* Form elements */
    input,
    select,
    textarea,
    button {
        font-size: 16px;
    }

    /* Lists */
    .industries ul {
        padding-left: 20px;
    }

    .industries li {
        margin: 12px 0;
    }
}

/* Extra small devices (phones below 480px) */
@media (max-width: 480px) {
    .hero h1 {
        font-size: 24px;
    }

    .hero p {
        font-size: 14px;
    }

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

    .btn-primary,
    .btn-secondary {
        font-size: 14px;
    }

    .logo {
        font-size: 20px;
    }

    .rfq-card h3 {
        font-size: 16px;
    }

    .card h3 {
        font-size: 18px;
    }

    nav a {
        font-size: 14px;
        padding: 8px;
    }
}

/* RFQ Form Mobile Styles */
@media (max-width: 768px) {
    .rfq-section {
        padding: 40px 15px;
    }

    .rfq-card {
        padding: 20px;
    }

    .rfq-grid-form {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .rfq-card input,
    .rfq-card select,
    .rfq-card textarea {
        padding: 12px;
        font-size: 16px;
    }

    .rfq-card textarea {
        min-height: 100px;
    }

    .rfq-card button {
        width: 100%;
        padding: 12px;
        font-size: 16px;
    }
}