:root {
    --color-primary: #c1121f;
    --color-primary-dark: #8f0d16;
    --color-primary-light: #e63946;

    --color-white: #ffffff;
    --color-off-white: #f8f9fa;
    --color-light-gray: #e9ecef;
    --color-gray: #6c757d;
    --color-dark: #1b1b1b;
    --color-black: #111111;

    --color-success: #198754;
    --color-warning: #fd7e14;
    --color-error: #dc3545;
    --color-info: #0d6efd;

    --font-family: Arial, Helvetica, sans-serif;
    --container-width: 1200px;
    --radius: 8px;
    --shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
    --transition: all 0.2s ease-in-out;
}

/* --------------------------------------------------
   RESET / BASE
-------------------------------------------------- */
*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: var(--font-family);
    color: var(--color-dark);
    background: var(--color-white);
    line-height: 1.6;
}

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

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

a:hover {
    color: var(--color-primary-dark);
}

ul {
    padding-left: 1.25rem;
}

main {
    min-height: 60vh;
}

/* --------------------------------------------------
   LAYOUT
-------------------------------------------------- */
.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

.narrow {
    max-width: 800px;
}

.section {
    padding: 70px 0;
}

.alt-bg {
    background: var(--color-off-white);
}

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

/* --------------------------------------------------
   TYPOGRAPHY
-------------------------------------------------- */
h1,
h2,
h3,
h4,
h5,
h6 {
    margin-top: 0;
    line-height: 1.2;
    color: var(--color-black);
}

h1 {
    font-size: 2.75rem;
    margin-bottom: 1rem;
}

h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

p {
    margin-top: 0;
    margin-bottom: 1rem;
}

.eyebrow {
    display: inline-block;
    margin-bottom: 0.75rem;
    color: var(--color-primary);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-size: 0.85rem;
}

.section-heading {
    margin-bottom: 2rem;
}

.section-heading p {
    color: var(--color-gray);
    margin-bottom: 0;
}

.section-heading.with-action {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 20px;
    flex-wrap: wrap;
}

/* --------------------------------------------------
   HEADER
-------------------------------------------------- */
.site-header {
    background: var(--color-black);
    color: var(--color-white);
    border-bottom: 4px solid var(--color-primary);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-wrap {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding: 16px 20px;
}

.site-logo {
    color: var(--color-white);
    font-size: 1.3rem;
    font-weight: 800;
    letter-spacing: 0.02em;
}

.site-logo:hover {
    color: var(--color-white);
}

.site-nav {
    display: flex;
    align-items: center;
}

.nav-list {
    list-style: none;
    display: flex;
    align-items: center;
    gap: 22px;
    margin: 0;
    padding: 0;
}

.nav-list a {
    color: var(--color-white);
    font-weight: 600;
}

.nav-list a:hover,
.nav-list a.active {
    color: #ffd7da;
}

.nav-cta-item .btn {
    margin-left: 8px;
}

.nav-toggle {
    display: none;
    background: transparent;
    border: 0;
    cursor: pointer;
    padding: 0;
}

.nav-toggle span {
    display: block;
    width: 26px;
    height: 3px;
    margin: 5px 0;
    background: var(--color-white);
    border-radius: 999px;
}

/* --------------------------------------------------
   HERO
-------------------------------------------------- */
.hero,
.page-hero {
    background:
        linear-gradient(rgba(17, 17, 17, 0.7), rgba(17, 17, 17, 0.7)),
        linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
    color: var(--color-white);
    padding: 90px 0;
}

.hero h1,
.hero p,
.page-hero h1,
.page-hero p,
.page-hero .eyebrow,
.hero .eyebrow {
    color: var(--color-white);
}

.hero-content {
    max-width: 760px;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 1.5rem;
}

.hero-actions.center {
    justify-content: center;
}

/* --------------------------------------------------
   BUTTONS
-------------------------------------------------- */
.btn {
    display: inline-block;
    border: 0;
    border-radius: var(--radius);
    padding: 12px 20px;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
}

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

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

.btn-secondary {
    background: var(--color-black);
    color: var(--color-white);
}

.btn-secondary:hover {
    background: #2b2b2b;
    color: var(--color-white);
}

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

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

.text-link {
    font-weight: 700;
    color: var(--color-primary);
}

.text-link:hover {
    color: var(--color-primary-dark);
}

/* --------------------------------------------------
   CARDS / GRIDS
-------------------------------------------------- */
.card-grid {
    display: grid;
    gap: 24px;
}

.two-col {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.three-col {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.info-card,
.unit-card {
    background: var(--color-white);
    border: 1px solid var(--color-light-gray);
    border-top: 4px solid var(--color-primary);
    border-radius: var(--radius);
    padding: 24px;
    box-shadow: var(--shadow);
}

.unit-price {
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--color-primary);
}

.feature-list {
    margin: 0 0 1.25rem;
}

.cta-banner {
    background: var(--color-black);
    color: var(--color-white);
}

.cta-banner h2,
.cta-banner p {
    color: var(--color-white);
}

/* --------------------------------------------------
   FORMS
-------------------------------------------------- */
form {
    width: 100%;
}

.form-group {
    margin-bottom: 1rem;
}

label {
    display: block;
    margin-bottom: 0.4rem;
    font-weight: 700;
}

input,
select,
textarea,
button {
    font: inherit;
}

input[type="text"],
input[type="email"],
input[type="tel"],
input[type="number"],
input[type="date"],
select,
textarea {
    width: 100%;
    border: 1px solid #ced4da;
    border-radius: var(--radius);
    padding: 12px 14px;
    background: var(--color-white);
    color: var(--color-dark);
}

input:focus,
select:focus,
textarea:focus {
    outline: 2px solid rgba(193, 18, 31, 0.15);
    border-color: var(--color-primary);
}

textarea {
    min-height: 140px;
    resize: vertical;
}

.filter-form {
    display: flex;
    align-items: end;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 2rem;
}

/* --------------------------------------------------
   ALERTS
-------------------------------------------------- */
.alert {
    position: relative;
    border-radius: var(--radius);
    padding: 14px 16px;
    padding-right: 48px; /* room for close button */
    margin-bottom: 1.25rem;
    font-weight: 600;
    border-left: 4px solid transparent;
    box-shadow: var(--shadow);
}

/* SUCCESS */
.alert-success {
    background: rgba(25, 135, 84, 0.12);
    color: var(--color-success);
    border-left-color: var(--color-success);
}

/* ERROR (primary brand red) */
.alert-error {
    background: rgba(193, 18, 31, 0.12);
    color: var(--color-primary);
    border-left-color: var(--color-primary);
}

/* WARNING */
.alert-warning {
    background: rgba(253, 126, 20, 0.12);
    color: var(--color-warning);
    border-left-color: var(--color-warning);
}

/* INFO */
.alert-info {
    background: rgba(13, 110, 253, 0.12);
    color: var(--color-info);
    border-left-color: var(--color-info);
}

/* CLOSE BUTTON */
.alert-close {
    position: absolute;
    top: 50%;
    right: 14px;
    transform: translateY(-50%);
    background: transparent;
    border: none;
    font-size: 1.25rem;
    line-height: 1;
    cursor: pointer;
    color: inherit;
    opacity: 0.7;
    transition: var(--transition);
}

.alert-close:hover {
    opacity: 1;
}

/* OPTIONAL: subtle animation */
.alert {
    animation: alertFadeIn 0.25s ease;
}

@keyframes alertFadeIn {
    from {
        opacity: 0;
        transform: translateY(-6px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}
.is-loading {
    opacity: 0.8;
    cursor: not-allowed;
}

/* --------------------------------------------------
   FOOTER
-------------------------------------------------- */
.site-footer {
    background: #151515;
    color: #f1f1f1;
    margin-top: 0;
}

.footer-wrap {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr;
    gap: 30px;
    padding: 50px 20px;
}

.site-footer h3,
.site-footer h4 {
    color: var(--color-white);
    margin-bottom: 0.75rem;
}

.site-footer p,
.site-footer li,
.site-footer a {
    color: #d9d9d9;
}

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

.footer-links ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li + li {
    margin-top: 0.5rem;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    background: #101010;
}

.footer-bottom-wrap {
    padding: 16px 20px;
}

.footer-bottom p {
    margin: 0;
    color: #cfcfcf;
    font-size: 0.95rem;
}

/* --------------------------------------------------
   UTILITIES
-------------------------------------------------- */
.hidden {
    display: none !important;
}

/* --------------------------------------------------
   RESPONSIVE
-------------------------------------------------- */
@media (max-width: 991px) {
    .three-col {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .footer-wrap {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 767px) {
    h1 {
        font-size: 2.15rem;
    }

    h2 {
        font-size: 1.65rem;
    }

    .section {
        padding: 55px 0;
    }

    .header-wrap {
        flex-wrap: wrap;
    }

    .nav-toggle {
        display: block;
        margin-left: auto;
    }

    .site-nav {
        width: 100%;
        display: none;
    }

    .site-nav.open {
        display: block;
    }

    .nav-list {
        flex-direction: column;
        align-items: flex-start;
        padding-top: 14px;
    }

    .nav-cta-item .btn {
        margin-left: 0;
    }

    .two-col,
    .three-col,
    .footer-wrap {
        grid-template-columns: 1fr;
    }

    .hero,
    .page-hero {
        padding: 70px 0;
    }

    .hero-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .filter-form {
        flex-direction: column;
        align-items: stretch;
    }
}