:root {
    --color-white: #ffffff;
    --color-navy: #082B66;
    --color-blue: #1565FF;
    --color-body-text: #4B5563;
    --color-border: #E5E7EB;
    --color-page-bg: #F7F9FC;

    --overlay-navy-70: rgba(8, 43, 102, 0.7);

    --shadow-soft: 0 18px 45px rgba(8, 43, 102, 0.12);
    --shadow-small: 0 8px 24px rgba(8, 43, 102, 0.12);

    --radius-large: 28px;
    --radius-medium: 18px;
    --radius-small: 10px;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 90px;
}

body {
    font-family: Arial, Helvetica, sans-serif;
    color: var(--color-navy);
    background: var(--color-page-bg);
    line-height: 1.7;
}

a {
    color: inherit;
    text-decoration: none;
}

img {
    max-width: 100%;
    display: block;
}

.container {
    width: min(1120px, calc(100% - 40px));
    margin: 0 auto;
}

.section-anchor {
    scroll-margin-top: 90px;
}

/* Header */

.main-header {
    position: fixed;
    z-index: 1000;
    top: 0;
    left: 0;
    width: 100%;
    background: #FFFFFF;
    border-bottom: 1px solid var(--color-border);
}

.nav-container {
    min-height: 78px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 30px;
}

.logo-img {
    width: 175px;
    max-height: 55px;
    object-fit: contain;
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 25px;
}

.nav-link {
    position: relative;
    padding: 10px 0;
    color: #082B66;
    font-weight: 600;
    font-size: 0.95rem;
    transition: color 0.25s ease;
}

.nav-link::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 2px;
    width: 0;
    height: 3px;
    border-radius: 10px;
    background: #1565FF;
    transition: width 0.25s ease;
}

.nav-link:hover,
.nav-link.active {
    color: #1565FF;
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.nav-quote,
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    font-weight: 700;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.nav-quote {
    padding: 12px 18px;
    color: var(--color-white);
    background: #1565FF;
}

.nav-quote:hover,
.btn:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-small);
}

.menu-toggle {
    display: none;
    border: 0;
    background: transparent;
    color: var(--color-navy);
    font-size: 1.8rem;
    cursor: pointer;
}

/* General sections */

section {
    padding: 110px 0;
}

.hero {
    min-height: 760px;
    display: flex;
    align-items: center;
    padding-top: 155px;
    color: var(--color-white);
    background:
        linear-gradient(
            var(--overlay-navy-70),
            var(--overlay-navy-70)
        ),
        url("industrial-hero.jpg") center / cover no-repeat;
}

.hero-content {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    align-items: center;
    gap: 80px;
}

.eyebrow {
    margin-bottom: 12px;
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.8rem;
    font-weight: 800;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

h1,
h2,
h3 {
    line-height: 1.2;
}

h1 {
    max-width: 730px;
    margin-bottom: 25px;
    font-size: clamp(2.7rem, 6vw, 5.4rem);
    letter-spacing: -0.07em;
    color: var(--color-white);
}

h1 span {
    color: #1565FF;
}

h2 {
    margin-bottom: 16px;
    font-size: clamp(2rem, 4vw, 3.5rem);
    letter-spacing: -0.04em;
    color: #082B66;
}

h3 {
    margin-bottom: 10px;
    color: #082B66;
}

.hero-description {
    max-width: 680px;
    margin-bottom: 16px;
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.08rem;
}

.hero-description.secondary {
    font-size: 0.98rem;
}

.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 32px;
}

.btn {
    min-height: 50px;
    padding: 14px 24px;
}

.btn-primary {
    border: 0;
    color: var(--color-white);
    background: #1565FF;
    cursor: pointer;
}

.btn-secondary {
    border: 1px solid #1565FF;
    color: #1565FF;
    background: var(--color-white);
}

.hero-card {
    padding: 38px;
    border: 1px solid rgba(255, 255, 255, 0.25);
    border-radius: var(--radius-large);
    background: rgba(255, 255, 255, 0.1);
    box-shadow: var(--shadow-soft);
    backdrop-filter: blur(12px);
}

.hero-card-icon {
    width: 64px;
    height: 64px;
    display: grid;
    place-items: center;
    margin-bottom: 25px;
    border-radius: 20px;
    background: #1565FF;
    color: var(--color-white);
    font-size: 2rem;
}

.hero-card h3 {
    font-size: 1.6rem;
    color: var(--color-white);
}

.hero-card p {
    color: rgba(255, 255, 255, 0.85);
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
    margin-top: 35px;
    padding-top: 25px;
    border-top: 1px solid rgba(255, 255, 255, 0.25);
}

.hero-stats div {
    display: flex;
    flex-direction: column;
}

.hero-stats strong {
    font-size: 1.3rem;
    color: var(--color-white);
}

.hero-stats span {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.75rem;
}

/* About */

.section {
    background: var(--color-white);
}

.section-green {
    background: var(--color-page-bg);
}

.section-heading {
    max-width: 760px;
    margin-bottom: 55px;
}

.section-heading.centered {
    margin-right: auto;
    margin-left: auto;
    text-align: center;
}

.section-heading > p:last-child {
    color: #4B5563;
    font-size: 1.05rem;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 65px;
    align-items: start;
}

.about-content {
    color: #4B5563;
    font-size: 1.05rem;
}

.about-content p + p {
    margin-top: 20px;
}

.mission-card {
    padding: 32px;
    border: 1px solid #E5E7EB;
    border-radius: var(--radius-large);
    background: var(--color-white);
    box-shadow: var(--shadow-soft);
}

.mission-item {
    display: flex;
    gap: 20px;
}

.mission-item + .mission-item {
    margin-top: 28px;
    padding-top: 28px;
    border-top: 1px solid var(--color-border);
}

.mission-icon {
    font-size: 2rem;
}

.mission-item p {
    color: #4B5563;
}

/* Products */

.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
}

.product-card {
    min-height: 220px;
    padding: 28px;
    border: 1px solid #E5E7EB;
    border-radius: var(--radius-medium);
    background: var(--color-white);
    transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.product-card:hover {
    transform: translateY(-7px);
    box-shadow: var(--shadow-small);
    border-color: #1565FF;
}

.product-icon {
    width: 52px;
    height: 52px;
    display: grid;
    place-items: center;
    margin-bottom: 20px;
    border-radius: 16px;
    color: #1565FF;
    background: rgba(21, 101, 255, 0.1);
    font-size: 1.7rem;
}

.product-card h3 {
    color: #082B66;
}

.product-card p {
    color: #4B5563;
}

.why-us {
    display: grid;
    grid-template-columns: 0.8fr 1.2fr;
    gap: 40px;
    align-items: center;
    margin-top: 75px;
    padding: 38px;
    border-radius: var(--radius-large);
    background: #082B66;
    color: var(--color-white);
}

.why-us .eyebrow {
    color: #1565FF;
}

.why-us h2 {
    margin-bottom: 0;
    color: var(--color-white);
}

.features-list {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.features-list span {
    padding: 11px 15px;
    border: 1px solid rgba(255, 255, 255, 0.25);
    border-radius: 999px;
    color: var(--color-white);
    font-size: 0.9rem;
}

/* RFQ */

.rfq-form {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 22px;
    max-width: 850px;
    margin: 0 auto;
    padding: 38px;
    border-radius: var(--radius-large);
    background: var(--color-white);
    border: 1px solid #E5E7EB;
    box-shadow: var(--shadow-soft);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 0.9rem;
    font-weight: 700;
    color: #082B66;
}

.form-group input,
.form-group textarea {
    width: 100%;
    border: 1px solid #E5E7EB;
    border-radius: var(--radius-small);
    padding: 14px 15px;
    outline: none;
    color: #082B66;
    background: var(--color-white);
    font: inherit;
    transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: #1565FF;
    box-shadow: 0 0 0 4px rgba(21, 101, 255, 0.15);
}

.form-group textarea {
    resize: vertical;
}

.full-width {
    grid-column: 1 / -1;
}

.form-submit {
    display: flex;
    align-items: center;
    gap: 20px;
}

.form-message {
    color: #4B5563;
    font-size: 0.9rem;
}

/* Contact */

.contact-section {
    background: var(--color-page-bg);
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
}

.contact-card {
    min-height: 190px;
    padding: 25px;
    border: 1px solid #E5E7EB;
    border-radius: var(--radius-medium);
    background: var(--color-white);
    transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.contact-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-small);
    border-color: #1565FF;
}

.contact-card h3 {
    color: #082B66;
}

.contact-icon {
    display: block;
    margin-bottom: 18px;
    font-size: 2rem;
    color: #1565FF;
}

.contact-card p {
    color: #4B5563;
    font-size: 0.9rem;
}

.address-box {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 14px;
    margin-top: 35px;
    padding: 20px;
    border-radius: var(--radius-medium);
    background: var(--color-white);
    border: 1px solid #E5E7EB;
}

.address-box p {
    color: #4B5563;
}

/* Footer */

.main-footer {
    padding: 35px 0;
    color: var(--color-white);
    background: #082B66;
}

.footer-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 25px;
}

.footer-content strong {
    color: var(--color-white);
}

.footer-content p {
    color: #FFFFFF;
    font-size: 0.9rem;
}

.footer-content a,
.main-footer a {
    color: #FFFFFF;
    transition: color 0.25s ease;
}

.main-footer a:hover {
    color: #1565FF;
}

/* Responsive design */

@media (max-width: 900px) {
    .main-nav {
        gap: 15px;
    }

    .hero-content {
        grid-template-columns: 1fr;
        gap: 45px;
    }

    .hero-card {
        max-width: 620px;
    }

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

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

    .why-us {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 720px) {
    .container {
        width: min(100% - 28px, 1120px);
    }

    .nav-container {
        min-height: 70px;
    }

    .logo-img {
        width: 145px;
    }

    .menu-toggle {
        display: block;
    }

    .main-nav {
        position: absolute;
        top: 70px;
        left: 14px;
        right: 14px;
        display: none;
        flex-direction: column;
        align-items: stretch;
        gap: 4px;
        padding: 18px;
        border: 1px solid var(--color-border);
        border-radius: var(--radius-medium);
        background: #FFFFFF;
        box-shadow: var(--shadow-soft);
    }

    .main-nav.open {
        display: flex;
    }

    .nav-link {
        padding: 12px 8px;
    }

    .nav-quote {
        margin-top: 7px;
        text-align: center;
    }

    section {
        padding: 85px 0;
    }

    .hero {
        min-height: auto;
        padding-top: 130px;
        padding-bottom: 85px;
    }

    h1 {
        font-size: clamp(2.7rem, 15vw, 4.5rem);
    }

    .about-grid,
    .products-grid,
    .contact-grid,
    .rfq-form {
        grid-template-columns: 1fr;
    }

    .full-width {
        grid-column: auto;
    }

    .rfq-form {
        padding: 25px;
    }

    .form-submit {
        align-items: flex-start;
        flex-direction: column;
    }

    .footer-content {
        align-items: flex-start;
        flex-direction: column;
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
    }
}