/* ===========================
   GLOBAL VARIABLES
=========================== */
:root {
    --dkh-blue: #00529b;
    --dkh-red: #e53935;
    --dkh-grey: #f4f4f4;
    --dkh-dark: #222222;
}

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

body {
    font-family: Arial, Helvetica, sans-serif;
    color: var(--dkh-dark);
    background-color: #ffffff;
    line-height: 1.6;
}

a {
    color: var(--dkh-blue);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

/* ===========================
   HEADER + NAVIGATION
=========================== */

header {
    border-bottom: 4px solid var(--dkh-blue);
    background: #ffffff;
}

.top-bar {
    max-width: 1100px;
    margin: 0 auto;
    padding: 10px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo-area {
    display: flex;
    align-items: center;
    gap: 15px;
}

.logo-area img {
    height: 60px;
    width: auto;
}

.logo-text {
    text-transform: uppercase;
    font-weight: bold;
    color: var(--dkh-blue);
    font-size: 0.9rem;
    letter-spacing: 0.08em;
}

/* NAVIGATION */
nav {
    position: relative;
}

nav ul {
    list-style: none;
    display: flex;
    gap: 22px;
    margin: 0;
    padding: 0;
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

nav ul li a {
    font-weight: bold;
    color: var(--dkh-blue);
    padding: 8px 4px;
    transition: 0.2s ease;
}

nav ul li a:hover {
    color: var(--dkh-red);
}

/* MOBILE MENU BUTTON */
.nav-toggle {
    display: none;
    cursor: pointer;
    flex-direction: column;
    gap: 5px;
}

.nav-toggle span {
    width: 28px;
    height: 3px;
    background: var(--dkh-blue);
    transition: 0.3s ease;
}

/* MOBILE MENU (HIDDEN BY DEFAULT) */
nav.mobile-active ul {
    display: block;
    flex-direction: column;
    background: #ffffff;
    border-top: 3px solid var(--dkh-blue);
    padding: 15px 0;
}

nav.mobile-active ul li {
    padding: 10px 20px;
}

/* RESPONSIVE NAV */
@media (max-width: 850px) {

    nav ul {
        display: none;
    }

    .nav-toggle {
        display: flex;
    }

    nav.mobile-active .nav-toggle span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    nav.mobile-active .nav-toggle span:nth-child(2) {
        opacity: 0;
    }

    nav.mobile-active .nav-toggle span:nth-child(3) {
        transform: rotate(-45deg) translate(6px, -6px);
    }
}

/* ===========================
   HERO SECTION
=========================== */

.hero {
    background: linear-gradient(
        to bottom,
        rgba(0, 82, 155, 0.12),
        rgba(229, 57, 53, 0.08)
    );
    border-bottom: 6px solid var(--dkh-blue);
}

.hero-inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 60px 20px 50px;
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 40px;
    align-items: center;
}

.hero h1 {
    font-size: 2.2rem;
    color: var(--dkh-blue);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 15px;
}

.hero h2 {
    font-size: 1.1rem;
    text-transform: uppercase;
    color: var(--dkh-dark);
    letter-spacing: 0.12em;
    margin-bottom: 20px;
}

.hero p {
    font-size: 0.98rem;
    margin-bottom: 20px;
}

.hero-list {
    list-style: none;
    margin-bottom: 25px;
}

.hero-list li {
    margin-bottom: 6px;
}

.hero-list li::before {
    content: "▸";
    color: var(--dkh-red);
    margin-right: 6px;
}

.hero-cta {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.btn-primary,
.btn-outline {
    padding: 10px 18px;
    border-radius: 3px;
    font-size: 0.95rem;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    border: 2px solid var(--dkh-blue);
    cursor: pointer;
}

.btn-primary {
    background: var(--dkh-blue);
    color: #ffffff;
}

.btn-primary:hover {
    background: #003b70;
}

.btn-outline {
    background: transparent;
    color: var(--dkh-blue);
}

.btn-outline:hover {
    background: rgba(0, 82, 155, 0.06);
}

/* UNDERFLOOR STRIPS */
.floor-strips {
    margin-top: 25px;
    display: grid;
    grid-template-columns: repeat(8, 1fr);
    gap: 4px;
}

.floor-strip {
    height: 6px;
    border-radius: 3px;
}

.floor-strip.blue {
    background: var(--dkh-blue);
}

.floor-strip.red {
    background: var(--dkh-red);
}

/* RIGHT HERO PANEL */
.hero-panel {
    background: #ffffff;
    border-radius: 6px;
    box-shadow: 0 0 18px rgba(0, 0, 0, 0.08);
    padding: 20px 20px 25px;
    border-top: 4px solid var(--dkh-red);
}

.hero-panel h3 {
    font-size: 1rem;
    text-transform: uppercase;
    color: var(--dkh-blue);
    letter-spacing: 0.12em;
    margin-bottom: 15px;
}

.hero-panel p {
    font-size: 0.9rem;
    margin-bottom: 10px;
}

.hero-panel label {
    display: block;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin: 10px 0 4px;
    color: var(--dkh-dark);
}

.hero-panel input,
.hero-panel textarea {
    width: 100%;
    padding: 8px 10px;
    border-radius: 3px;
    border: 1px solid #cccccc;
    font-size: 0.9rem;
}

.hero-panel textarea {
    resize: vertical;
    min-height: 80px;
}

.hero-panel button {
    margin-top: 12px;
    width: 100%;
}

/* ===========================
   SERVICES SECTION
=========================== */

.section {
    max-width: 1100px;
    margin: 0 auto;
    padding: 40px 20px;
}

.section-title {
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--dkh-blue);
    font-size: 1rem;
    margin-bottom: 20px;
    border-left: 4px solid var(--dkh-red);
    padding-left: 10px;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 25px;
}

.service-card {
    background: var(--dkh-grey);
    border-radius: 4px;
    padding: 18px 16px 20px;
    border-bottom: 4px solid var(--dkh-blue);
}

.service-card h3 {
    font-size: 1rem;
    margin-bottom: 8px;
    color: var(--dkh-blue);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.service-card p {
    font-size: 0.9rem;
}

/* ===========================
   FOOTER
=========================== */

footer {
    border-top: 4px solid var(--dkh-blue);
    background: #ffffff;
    margin-top: 20px;
}

.footer-inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 18px 20px 25px;
    font-size: 0.85rem;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 10px;
}

.footer-inner span {
    color: #555555;
}

/* ===========================
   RESPONSIVE
=========================== */

@media (max-width: 900px) {
    .hero-inner {
        grid-template-columns: 1fr;
    }

    nav ul {
        font-size: 0.8rem;
        gap: 12px;
    }
}

@media (max-width: 650px) {
    .top-bar {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }

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

    .hero h1 {
        font-size: 1.7rem;
    }
}