/* ============================================================
   SPECIALTY FOUNDATION SYSTEMS — Components
   (Header, Footer, Cards, Modals, Forms)
   ============================================================ */

/* ── HEADER / NAVIGATION ─────────────────────────────────── */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: var(--nav-height);
    background: rgba(13, 38, 20, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    transition: box-shadow var(--transition-base);
}

.site-header.scrolled {
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.35);
}

.header-inner {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--sp-6);
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* Logo */
.site-logo {
    display: flex;
    align-items: center;
    gap: var(--sp-3);
    text-decoration: none;
}

.logo-icon {
    width: 42px;
    height: 42px;
    background: var(--color-amber);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.logo-icon svg {
    width: 24px;
    height: 24px;
    fill: var(--color-navy);
}

.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
}

.logo-text .primary {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--color-white);
    letter-spacing: 0.03em;
    text-transform: uppercase;
}

.logo-text .secondary {
    font-size: 0.65rem;
    font-weight: 500;
    color: var(--color-amber);
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

/* Nav links */
.main-nav {
    display: flex;
    align-items: center;
    gap: var(--sp-1);
}

.nav-link {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.88rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    padding: 8px 14px;
    border-radius: var(--radius-sm);
    transition: all var(--transition-base);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--color-amber);
    transition: width var(--transition-base);
    border-radius: 1px;
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-white);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: calc(100% - 28px);
}

.nav-cta {
    margin-left: var(--sp-4);
    padding: 10px 22px;
    background: var(--color-amber);
    color: var(--color-navy) !important;
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    border-radius: var(--radius-sm);
    transition: all var(--transition-base);
    border: none;
}

.nav-cta:hover {
    background: var(--color-amber-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-amber);
}

.nav-cta::after {
    display: none !important;
}

/* Phone quick-link */
.nav-phone {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--color-amber);
    font-size: 0.9rem;
    font-weight: 700;
    margin-right: var(--sp-2);
    transition: color var(--transition-base);
}

.nav-phone:hover {
    color: var(--color-amber-light);
}

.nav-phone svg {
    width: 16px;
    height: 16px;
}

/* Mobile hamburger */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: background var(--transition-fast);
}

.hamburger:hover {
    background: rgba(255, 255, 255, 0.08);
}

.hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-white);
    border-radius: 1px;
    transition: all var(--transition-base);
}

.hamburger.open span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.hamburger.open span:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

.hamburger.open span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* Mobile nav overlay */
.mobile-nav {
    display: none;
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-navy);
    z-index: 999;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--sp-4);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.mobile-nav.open {
    display: flex;
    opacity: 1;
}

.mobile-nav .nav-link {
    font-size: 1.4rem;
    font-family: var(--font-heading);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    padding: 12px 24px;
}

.mobile-nav .nav-cta {
    font-size: 1rem;
    padding: 16px 40px;
    margin-left: 0;
    margin-top: var(--sp-4);
}

@media (max-width: 968px) {
    .main-nav {
        display: none;
    }

    .nav-phone {
        display: none;
    }

    .hamburger {
        display: flex;
    }
}

/* ── FOOTER ──────────────────────────────────────────────── */
.site-footer {
    background: var(--color-navy);
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.footer-main {
    padding: var(--sp-16) 0 var(--sp-10);
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: var(--sp-10);
}

.footer-brand .site-logo {
    margin-bottom: var(--sp-5);
}

.footer-tagline {
    color: rgba(255, 255, 255, 0.55);
    font-size: 0.9rem;
    line-height: 1.7;
    margin-bottom: var(--sp-5);
    max-width: 300px;
}

.footer-social {
    display: flex;
    gap: var(--sp-3);
}

.social-link {
    width: 38px;
    height: 38px;
    border-radius: var(--radius-sm);
    border: 1px solid rgba(255, 255, 255, 0.12);
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.55);
    transition: all var(--transition-base);
}

.social-link:hover {
    background: var(--color-amber);
    border-color: var(--color-amber);
    color: var(--color-navy);
}

.social-link svg {
    width: 18px;
    height: 18px;
    fill: currentColor;
}

.footer-col-title {
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-amber);
    margin-bottom: var(--sp-5);
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: var(--sp-3);
}

.footer-links a {
    color: rgba(255, 255, 255, 0.55);
    font-size: 0.9rem;
    transition: color var(--transition-base);
}

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

.footer-contact-item {
    display: flex;
    align-items: flex-start;
    gap: var(--sp-3);
    margin-bottom: var(--sp-4);
}

.footer-contact-icon {
    width: 32px;
    height: 32px;
    background: rgba(138, 186, 97, 0.1);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    margin-top: 1px;
}

.footer-contact-icon svg {
    width: 16px;
    height: 16px;
    fill: var(--color-amber);
}

.footer-contact-item-text {
    font-size: 0.88rem;
    color: rgba(255, 255, 255, 0.55);
    line-height: 1.5;
}

.footer-contact-item-text a {
    color: rgba(255, 255, 255, 0.7);
}

.footer-contact-item-text a:hover {
    color: var(--color-amber);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    padding: var(--sp-5) 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--sp-4);
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.35);
    font-size: 0.82rem;
}

.footer-bottom-links {
    display: flex;
    gap: var(--sp-5);
}

.footer-bottom-links a {
    color: rgba(255, 255, 255, 0.35);
    font-size: 0.82rem;
    transition: color var(--transition-base);
}

.footer-bottom-links a:hover {
    color: var(--color-amber);
}

@media (max-width: 1024px) {
    .footer-main {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 600px) {
    .footer-main {
        grid-template-columns: 1fr;
        gap: var(--sp-8);
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

/* ── STAT CARDS ──────────────────────────────────────────── */
.stats-bar {
    background: var(--color-amber);
    padding: var(--sp-6) 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1px;
    background: rgba(0, 0, 0, 0.1);
}

.stat-item {
    background: var(--color-amber);
    padding: var(--sp-6) var(--sp-4);
    text-align: center;
}

.stat-number {
    font-family: var(--font-heading);
    font-size: 2.8rem;
    font-weight: 800;
    color: var(--color-navy);
    line-height: 1;
    display: block;
}

.stat-label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-navy);
    opacity: 0.75;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-top: var(--sp-1);
}

@media (max-width: 768px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ── SERVICE CARD ────────────────────────────────────────── */
.service-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    display: grid;
    grid-template-columns: 320px 1fr;
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.service-card-img {
    position: relative;
    overflow: hidden;
    min-height: 280px;
    background: var(--color-navy-mid);
}

.service-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.service-card:hover .service-card-img img {
    transform: scale(1.06);
}

.service-card-icon {
    position: absolute;
    top: var(--sp-4);
    left: var(--sp-4);
    width: 48px;
    height: 48px;
    background: var(--color-amber);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
}

.service-card-icon svg {
    width: 24px;
    height: 24px;
    fill: var(--color-navy);
}

.service-card-body {
    padding: var(--sp-8);
    display: flex;
    flex-direction: column;
}

.service-card-title {
    color: var(--color-navy);
    margin-bottom: var(--sp-4);
}

.service-card-desc {
    color: var(--color-gray-600);
    margin-bottom: var(--sp-5);
    flex: 1;
    line-height: 1.7;
}

.service-card-ideal {
    margin-bottom: var(--sp-5);
}

.service-card-ideal h5 {
    font-size: 0.8rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-amber);
    margin-bottom: var(--sp-3);
}

.service-card-ideal ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--sp-2);
}

.service-card-ideal li {
    display: flex;
    align-items: flex-start;
    gap: var(--sp-2);
    font-size: 0.9rem;
    color: var(--color-gray-600);
    line-height: 1.5;
}

.service-card-ideal li::before {
    content: '✓';
    color: var(--color-amber);
    font-weight: 700;
    flex-shrink: 0;
    margin-top: 1px;
}

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

    .service-card-img {
        min-height: 220px;
    }
}

/* ── PROJECT CARD ────────────────────────────────────────── */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--sp-6);
}

.project-card {
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--color-white);
    box-shadow: var(--shadow-md);
    cursor: pointer;
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.project-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
}

.project-card-img {
    position: relative;
    height: 220px;
    overflow: hidden;
    background: var(--color-navy-mid);
}

.project-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.project-card:hover .project-card-img img {
    transform: scale(1.08);
}

.project-card-overlay {
    position: absolute;
    inset: 0;
    background: var(--color-overlay);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-base);
}

.project-card:hover .project-card-overlay {
    opacity: 1;
}

.project-card-overlay-btn {
    background: var(--color-amber);
    color: var(--color-navy);
    padding: 12px 28px;
    border-radius: var(--radius-sm);
    font-weight: 700;
    font-size: 0.85rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.project-card-body {
    padding: var(--sp-5);
}

.project-card-location {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 0.8rem;
    color: var(--color-amber);
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    margin-bottom: var(--sp-2);
}

.project-card-location svg {
    width: 14px;
    height: 14px;
    fill: currentColor;
}

.project-card-title {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--color-navy);
    margin-bottom: var(--sp-2);
    line-height: 1.3;
}

.project-card-type {
    font-size: 0.82rem;
    color: var(--color-gray-400);
}

@media (max-width: 1024px) {
    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    .projects-grid {
        grid-template-columns: 1fr;
    }
}

/* ── PROJECT MODAL ───────────────────────────────────────── */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.8);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--sp-6);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-base);
}

.modal-overlay.open {
    opacity: 1;
    pointer-events: all;
}

.modal {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    max-width: 820px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    transform: scale(0.9);
    transition: transform var(--transition-base);
}

.modal-overlay.open .modal {
    transform: scale(1);
}

.modal-img {
    height: 340px;
    overflow: hidden;
    background: var(--color-navy-mid);
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}

.modal-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.modal-body {
    padding: var(--sp-8);
}

.modal-close {
    position: absolute;
    top: var(--sp-4);
    right: var(--sp-4);
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 1.2rem;
    color: var(--color-navy);
    border: none;
    transition: all var(--transition-fast);
    z-index: 10;
}

.modal-close:hover {
    background: var(--color-amber);
    color: var(--color-navy);
}

.modal-body .badge {
    margin-bottom: var(--sp-4);
}

.modal-body h3 {
    color: var(--color-navy);
    margin-bottom: var(--sp-4);
}

.modal-body p {
    line-height: 1.75;
}

@media (max-width: 600px) {
    .modal-img {
        height: 220px;
    }

    .modal-body {
        padding: var(--sp-5);
    }
}

/* ── CASE STUDY CARD ────────────────────────────────────── */
.case-study-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--sp-6);
}

.case-study-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: var(--sp-8);
    box-shadow: var(--shadow-md);
    display: flex;
    gap: var(--sp-5);
    align-items: flex-start;
    transition: transform var(--transition-base), box-shadow var(--transition-base);
    border-left: 4px solid var(--color-amber);
}

.case-study-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.case-study-icon {
    width: 56px;
    height: 56px;
    background: rgba(138, 186, 97, 0.1);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.case-study-icon svg {
    width: 28px;
    height: 28px;
    fill: var(--color-amber);
}

.case-study-content {
    flex: 1;
}

.case-study-content h4 {
    color: var(--color-navy);
    margin-bottom: var(--sp-2);
    line-height: 1.3;
}

.case-study-content p {
    font-size: 0.9rem;
    margin-bottom: var(--sp-4);
}

.case-study-download {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--color-amber);
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    transition: gap var(--transition-base);
}

.case-study-download:hover {
    gap: 14px;
}

.case-study-download svg {
    width: 18px;
    height: 18px;
    fill: currentColor;
}

@media (max-width: 768px) {
    .case-study-grid {
        grid-template-columns: 1fr;
    }
}

/* ── CONTACT FORM ────────────────────────────────────────── */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.4fr;
    gap: var(--sp-10);
    align-items: start;
}

.contact-info-card {
    background: var(--color-navy);
    border-radius: var(--radius-xl);
    padding: var(--sp-10);
    color: var(--color-white);
}

.contact-info-card h3 {
    color: var(--color-white);
    margin-bottom: var(--sp-6);
}

.contact-info-item {
    display: flex;
    gap: var(--sp-4);
    margin-bottom: var(--sp-6);
    align-items: flex-start;
}

.contact-info-icon {
    width: 44px;
    height: 44px;
    background: rgba(138, 186, 97, 0.12);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-info-icon svg {
    width: 22px;
    height: 22px;
    fill: var(--color-amber);
}

.contact-info-text h5 {
    color: rgba(255, 255, 255, 0.55);
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: var(--sp-1);
}

.contact-info-text p,
.contact-info-text a {
    color: var(--color-white);
    font-size: 0.95rem;
    line-height: 1.5;
}

.contact-info-text a {
    transition: color var(--transition-base);
}

.contact-info-text a:hover {
    color: var(--color-amber);
}

.hours-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(138, 186, 97, 0.12);
    border: 1px solid rgba(138, 186, 97, 0.25);
    color: var(--color-amber);
    padding: 6px 16px;
    border-radius: 100px;
    font-size: 0.82rem;
    font-weight: 600;
    margin-top: var(--sp-5);
}

.hours-dot {
    width: 8px;
    height: 8px;
    background: #74CA31;
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.4;
    }
}

/* Form */
.contact-form-card {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    padding: var(--sp-10);
    box-shadow: var(--shadow-lg);
}

.contact-form-card h3 {
    color: var(--color-navy);
    margin-bottom: var(--sp-2);
}

.contact-form-card>p {
    margin-bottom: var(--sp-6);
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--sp-4);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--sp-2);
}

.form-group.full {
    grid-column: 1 / -1;
}

.form-label {
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--color-navy);
}

.form-input,
.form-textarea,
.form-select {
    padding: 14px 18px;
    border: 2px solid var(--color-gray-200);
    border-radius: var(--radius-md);
    background: var(--color-white);
    color: var(--color-text);
    font-size: 0.95rem;
    transition: border-color var(--transition-base);
    width: 100%;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    border-color: var(--color-amber);
    box-shadow: 0 0 0 4px rgba(138, 186, 97, 0.15);
}

.form-textarea {
    resize: vertical;
    min-height: 130px;
}

.form-submit {
    margin-top: var(--sp-5);
    width: 100%;
    justify-content: center;
}

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

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

    .form-group.full {
        grid-column: 1;
    }
}

/* ── JOBS CARDS ──────────────────────────────────────────── */
.job-role-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--sp-6);
    margin-bottom: var(--sp-12);
}

.job-role-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: var(--sp-8);
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
    border-bottom: 4px solid transparent;
}

.job-role-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-bottom-color: var(--color-amber);
}

.job-role-icon {
    width: 72px;
    height: 72px;
    background: rgba(138, 186, 97, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--sp-5);
}

.job-role-icon svg {
    width: 34px;
    height: 34px;
    fill: var(--color-amber);
}

.job-role-card h3 {
    color: var(--color-navy);
    margin-bottom: var(--sp-3);
}

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

@media (max-width: 768px) {
    .job-role-grid {
        grid-template-columns: 1fr;
    }
}

/* ── Apply Form ──────────────────────────────────────────── */
.apply-form-wrap {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    padding: var(--sp-10);
    box-shadow: var(--shadow-lg);
    max-width: 760px;
    margin: 0 auto;
}

/* ── CTA STRIP ───────────────────────────────────────────── */
.cta-strip {
    background: var(--color-amber);
    padding: var(--sp-16) 0;
}

.cta-strip-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--sp-8);
}

.cta-strip h2 {
    color: var(--color-navy);
}

.cta-strip p {
    color: var(--color-navy);
    opacity: 0.7;
    margin-top: var(--sp-2);
}

.cta-strip-actions {
    display: flex;
    gap: var(--sp-4);
    flex-shrink: 0;
}

@media (max-width: 768px) {
    .cta-strip-inner {
        flex-direction: column;
        text-align: center;
    }

    .cta-strip-actions {
        flex-direction: column;
        width: 100%;
    }

    .cta-strip-actions .btn {
        width: 100%;
        justify-content: center;
    }
}

/* ── TEASER SERVICE ICONS (Home page) ────────────────────── */
.service-teaser-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--sp-6);
}

.service-teaser-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: var(--sp-8) var(--sp-6);
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
    cursor: pointer;
    display: block;
    text-decoration: none;
}

.service-teaser-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

.service-teaser-icon {
    width: 68px;
    height: 68px;
    background: var(--color-navy);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--sp-5);
    transition: background var(--transition-base);
}

.service-teaser-card:hover .service-teaser-icon {
    background: var(--color-amber);
}

.service-teaser-card:hover .service-teaser-icon svg {
    fill: var(--color-navy);
}

.service-teaser-icon svg {
    width: 32px;
    height: 32px;
    fill: var(--color-amber);
    transition: fill var(--transition-base);
}

.service-teaser-card h4 {
    color: var(--color-navy);
    margin-bottom: var(--sp-2);
    font-size: 1rem;
}

.service-teaser-card p {
    font-size: 0.85rem;
    line-height: 1.6;
}

@media (max-width: 900px) {
    .service-teaser-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 500px) {
    .service-teaser-grid {
        grid-template-columns: 1fr;
    }
}

/* ── MAP IFRAME ──────────────────────────────────────────── */
.map-wrap {
    border-radius: var(--radius-xl);
    overflow: hidden;
    border: 3px solid var(--color-gray-200);
    height: 380px;
    margin-top: var(--sp-8);
}

.map-wrap iframe {
    width: 100%;
    height: 100%;
    border: none;
}

/* ── RESEARCH THESIS CARD ────────────────────────────────── */
.thesis-card {
    background: linear-gradient(135deg, var(--color-navy) 0%, var(--color-navy-light) 100%);
    border-radius: var(--radius-xl);
    padding: var(--sp-10);
    display: flex;
    gap: var(--sp-8);
    align-items: center;
    margin-bottom: var(--sp-12);
}

.thesis-icon {
    width: 80px;
    height: 80px;
    background: var(--color-amber);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.thesis-icon svg {
    width: 40px;
    height: 40px;
    fill: var(--color-navy);
}

.thesis-content h3 {
    color: var(--color-white);
    margin-bottom: var(--sp-3);
}

.thesis-content p {
    color: rgba(255, 255, 255, 0.65);
    margin-bottom: var(--sp-5);
}

@media (max-width: 600px) {
    .thesis-card {
        flex-direction: column;
        text-align: center;
    }

    .thesis-icon {
        margin: 0 auto;
    }
}

/* ── BACK TO TOP ─────────────────────────────────────────── */
.back-to-top {
    position: fixed;
    bottom: var(--sp-6);
    right: var(--sp-6);
    width: 46px;
    height: 46px;
    background: var(--color-amber);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    pointer-events: none;
    transform: translateY(16px);
    transition: all var(--transition-base);
    z-index: 900;
    border: none;
}

.back-to-top.visible {
    opacity: 1;
    pointer-events: all;
    transform: translateY(0);
}

.back-to-top:hover {
    background: var(--color-amber-dark);
    transform: translateY(-2px);
}

.back-to-top svg {
    width: 22px;
    height: 22px;
    fill: var(--color-navy);
}