:root {
    --ovis-red: #d71920;
    --ovis-black: #111111;
    --ovis-dark-gray: #3f434a;
    --ovis-silver: #b7bcc3;
    --ovis-light-gray: #f5f6f8;
    --ovis-border: #e4e6ea;
    --ovis-white: #ffffff;
}

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

body {
    font-family: 'Montserrat', Arial, Helvetica, sans-serif;
    color: var(--ovis-black);
    background-color: var(--ovis-white);
    line-height: 1.6;
}

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

.container {
    width: 90%;
    max-width: 1220px;
    margin: 0 auto;
}

header {
    background-color: var(--ovis-white);
    border-bottom: 3px solid var(--ovis-red);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 14px rgba(0, 0, 0, 0.04);
}

.navbar {
    min-height: 96px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 24px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 16px;
}

.brand img {
    height: 52px;
    width: auto;
}

.brand-word {
    font-size: 28px;
    font-weight: 800;
    letter-spacing: 2px;
    color: var(--ovis-black);
}

nav {
    display: flex;
    align-items: center;
    gap: 30px;
}

nav a {
    text-decoration: none;
    color: var(--ovis-black);
    font-weight: 700;
    font-size: 15px;
    transition: color 0.25s ease;
}

nav a:hover {
    color: var(--ovis-red);
}

.hero {
    background:
        linear-gradient(rgba(8, 12, 20, 0.62), rgba(8, 12, 20, 0.62)),
        url("images/hero-city.jpg");
    background-size: cover;
    background-position: center;
    color: var(--ovis-white);
    padding: 130px 0 140px;
}

.hero-content {
    max-width: 780px;
}

.hero-eyebrow {
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 2px;
    margin-bottom: 20px;
    color: #f1f1f1;
}

.hero h1 {
    font-size: 62px;
    line-height: 1.08;
    font-weight: 800;
    margin-bottom: 26px;
}

.hero-text {
    font-size: 19px;
    max-width: 760px;
    margin-bottom: 34px;
    color: #f4f4f4;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.button {
    display: inline-block;
    text-decoration: none;
    font-weight: 700;
    border-radius: 6px;
    padding: 14px 24px;
    transition: all 0.25s ease;
}

.button-primary {
    background-color: var(--ovis-red);
    color: var(--ovis-white);
    border: 2px solid var(--ovis-red);
}

.button-primary:hover {
    background-color: #b8141a;
    border-color: #b8141a;
}

.button-secondary {
    background-color: transparent;
    color: var(--ovis-white);
    border: 2px solid var(--ovis-white);
}

.button-secondary:hover {
    background-color: var(--ovis-white);
    color: var(--ovis-black);
}

.button-dark-light {
    background-color: rgba(255,255,255,0.08);
    color: var(--ovis-white);
    border: 2px solid rgba(255,255,255,0.8);
}

.button-dark-light:hover {
    background-color: var(--ovis-white);
    color: var(--ovis-black);
}

.intro-section {
    padding: 90px 0;
    background-color: var(--ovis-white);
}

.section-heading {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 18px;
}

.section-line {
    width: 48px;
    height: 4px;
    background-color: var(--ovis-red);
    border-radius: 3px;
}

.section-heading h2 {
    font-size: 38px;
    font-weight: 800;
    color: var(--ovis-black);
}

.section-intro {
    max-width: 820px;
    font-size: 18px;
    color: var(--ovis-dark-gray);
    margin-bottom: 40px;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 26px;
}

.service-card {
    background-color: var(--ovis-white);
    border: 1px solid var(--ovis-border);
    border-top: 5px solid var(--ovis-red);
    border-radius: 10px;
    padding: 30px 28px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.05);
}

.service-card h3 {
    font-size: 24px;
    font-weight: 800;
    margin-bottom: 14px;
    color: var(--ovis-black);
}

.service-card p {
    color: var(--ovis-dark-gray);
    font-size: 16px;
}

.executive-section {
    background-color: var(--ovis-light-gray);
    padding: 95px 0;
}

.executive-layout {
    display: grid;
    grid-template-columns: 1.05fr 1fr;
    gap: 42px;
    align-items: center;
}

.executive-text .mini-label {
    display: inline-block;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--ovis-red);
    margin-bottom: 16px;
}

.executive-text h2 {
    font-size: 42px;
    line-height: 1.12;
    font-weight: 800;
    margin-bottom: 20px;
    color: var(--ovis-black);
}

.executive-text p {
    font-size: 17px;
    color: var(--ovis-dark-gray);
    margin-bottom: 22px;
}

.executive-image img {
    width: 100%;
    border-radius: 12px;
    box-shadow: 0 14px 30px rgba(0, 0, 0, 0.12);
}

.difference-list {
    display: grid;
    grid-template-columns: 1fr;
    gap: 14px;
}

.difference-item {
    background-color: var(--ovis-white);
    border-left: 4px solid var(--ovis-red);
    border-radius: 8px;
    padding: 14px 16px;
    box-shadow: 0 5px 14px rgba(0, 0, 0, 0.05);
    font-weight: 600;
    color: var(--ovis-black);
}

.commitment-section {
    padding: 90px 0;
    background-color: var(--ovis-white);
}

.commitment-box {
    background-color: var(--ovis-light-gray);
    border: 1px solid var(--ovis-border);
    border-left: 5px solid var(--ovis-red);
    border-radius: 12px;
    padding: 34px 30px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.05);
}

.commitment-box p {
    font-size: 18px;
    color: var(--ovis-dark-gray);
}

.approach-section {
    padding: 90px 0;
    background-color: var(--ovis-white);
}

.approach-focus {
    margin-bottom: 24px;
}

.approach-focus h3 {
    font-size: 24px;
    font-weight: 800;
    color: var(--ovis-black);
}

.approach-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-top: 8px;
}

.approach-step {
    background-color: var(--ovis-light-gray);
    border-radius: 10px;
    padding: 28px 24px;
    border: 1px solid var(--ovis-border);
    text-align: center;
}

.approach-step span {
    display: inline-block;
    font-size: 28px;
    font-weight: 800;
    color: var(--ovis-red);
    margin-bottom: 14px;
}

.approach-step h3 {
    font-size: 22px;
    font-weight: 800;
    color: var(--ovis-black);
}

.building-banner {
    background:
        linear-gradient(rgba(8, 8, 8, 0.48), rgba(8, 8, 8, 0.48)),
        url("images/footer-building.jpg");
    background-size: cover;
    background-position: center;
    min-height: 360px;
    display: flex;
    align-items: center;
}

.building-overlay {
    width: 100%;
    padding: 70px 0;
}

.building-content {
    color: var(--ovis-white);
}

.building-content h2 {
    font-size: 44px;
    font-weight: 800;
    margin-bottom: 16px;
    max-width: 780px;
}

.building-content p {
    font-size: 18px;
    max-width: 700px;
    color: #f0f0f0;
    margin-bottom: 26px;
}

footer {
    background-color: var(--ovis-white);
    color: var(--ovis-black);
    padding: 42px 0 24px;
    border-top: 1px solid var(--ovis-border);
}

.footer-top {
    text-align: center;
    padding-bottom: 24px;
}

.footer-logo {
    max-width: 360px;
    width: 100%;
    margin: 0 auto 18px;
}

.footer-tagline {
    font-size: 17px;
    color: var(--ovis-dark-gray);
    margin-bottom: 22px;
}

.social-icons {
    display: flex;
    justify-content: center;
    gap: 14px;
    margin: 20px 0 25px;
    flex-wrap: wrap;
}

.social-link {
    width: 46px;
    height: 46px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.10);
}

.social-link svg {
    width: 22px;
    height: 22px;
    fill: #ffffff;
}

.linkedin {
    background-color: var(--ovis-red);
}

.facebook {
    background-color: var(--ovis-black);
}

.instagram {
    background: linear-gradient(135deg, var(--ovis-red), #7a7f87);
}

.social-link:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.16);
}

.footer-contact {
    margin-top: 14px;
}

.footer-contact p {
    color: var(--ovis-dark-gray);
    margin-bottom: 8px;
    font-size: 16px;
}

.footer-contact-row {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 40px;
    flex-wrap: wrap;
    margin-top: 8px;
}

.footer-contact-row p {
    margin-bottom: 0;
}

.footer-bottom {
    text-align: center;
    font-size: 14px;
    border-top: 1px solid var(--ovis-border);
    padding-top: 18px;
    color: var(--ovis-dark-gray);
}

@media (max-width: 1100px) {
    .services-grid,
    .approach-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 980px) {
    .navbar {
        flex-direction: column;
        justify-content: center;
        padding: 18px 0;
    }

    .brand {
        flex-wrap: wrap;
        justify-content: center;
    }

    nav {
        flex-wrap: wrap;
        justify-content: center;
        gap: 18px;
    }

    .hero h1 {
        font-size: 46px;
    }

    .executive-layout {
        grid-template-columns: 1fr;
    }

    .building-content h2 {
        font-size: 34px;
    }
}

@media (max-width: 640px) {
    .brand-word {
        font-size: 22px;
    }

    .brand img {
        height: 44px;
    }

    .hero {
        padding: 90px 0 100px;
    }

    .hero h1 {
        font-size: 36px;
    }

    .hero-text,
    .section-intro,
    .executive-text p,
    .commitment-box p,
    .building-content p,
    .footer-tagline,
    .footer-contact p {
        font-size: 16px;
    }

    .section-heading h2,
    .executive-text h2,
    .building-content h2 {
        font-size: 30px;
    }

    .footer-logo {
        max-width: 280px;
    }

    .services-grid,
    .approach-grid {
        grid-template-columns: 1fr;
    }

    .footer-contact-row {
        flex-direction: column;
        gap: 8px;
    }
}