:root {
    --black: #000000;
    --white: #ffffff;
    --prussian-blue: #00072d;
    --deep-navy: #001c55;
    --imperial-blue: #0a2472;
    --cornflower-ocean: #0e6ba8;
    --frosted-blue: #a6e1fa;

    --charcoal: #141414;
    --dark-surface: #1a1a1a;
    --dark-card: #1e1e1e;
    --dark-elevated: #242424;
    --dark-border: rgba(255,255,255,0.06);
    --dark-border-hover: rgba(166,225,250,0.15);
    --text-muted-dark: rgba(255,255,255,0.45);
    --text-secondary-dark: rgba(255,255,255,0.60);
    --text-primary-dark: rgba(255,255,255,0.85);

    --gradient-blue: linear-gradient(135deg, var(--imperial-blue), var(--cornflower-ocean));
    --gradient-dark: linear-gradient(135deg, #07071a, #0d0d2b);
    --gradient-hero: linear-gradient(135deg, rgba(0,0,0,0.92) 0%, rgba(7,7,26,0.78) 50%, rgba(14,107,168,0.22) 100%);
    --gradient-section: linear-gradient(180deg, var(--charcoal) 0%, #111 100%);

    --shadow-sm: 0 1px 3px rgba(0,0,0,0.20);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.25);
    --shadow-lg: 0 12px 40px rgba(0,0,0,0.40);
    --shadow-glow: 0 0 48px rgba(14,107,168,0.12);
    --shadow-card: 0 1px 2px rgba(0,0,0,0.20), 0 4px 16px rgba(0,0,0,0.25);
    --shadow-card-hover: 0 2px 4px rgba(0,0,0,0.25), 0 16px 40px rgba(10,36,114,0.18);
    --shadow-glow-subtle: 0 0 60px rgba(14,107,168,0.06);

    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
}

/* ── Global Resets ── */
body {
    font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
    overflow-x: hidden;
    color: var(--text-primary-dark);
    background: var(--charcoal);
    -webkit-font-smoothing: antialiased;
    padding-top: 108px; /* offset for fixed header (topbar + navbar) */
}
@media (max-width: 991px) {
    body {
        padding-top: 62px; /* navbar only on mobile */
    }
}

/* ── Site Header (fixed wrapper) ── */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1030;
    transition: transform 0.35s ease;
}

/* ── Top Bar ── */
.topbar {
    background: var(--prussian-blue);
    border-bottom: 1px solid rgba(166,225,250,0.10);
    font-size: 0.78rem;
    overflow: hidden;
    transition: all 0.35s ease;
    max-height: 42px;
}
.header-scrolled .topbar {
    max-height: 0;
    border-bottom-color: transparent;
    opacity: 0;
}
.topbar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.55rem 0;
}
.topbar-left {
    display: flex;
    align-items: center;
    gap: 0;
}
.topbar-item {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    color: rgba(255,255,255,0.60);
}
.topbar-item i {
    font-size: 0.7rem;
    color: var(--frosted-blue);
}
.topbar-item a,
.topbar-item span {
    color: rgba(255,255,255,0.60);
    text-decoration: none;
    transition: color 0.25s;
}
.topbar-item a:hover {
    color: var(--frosted-blue);
}
.topbar-divider {
    display: inline-block;
    width: 1px;
    height: 14px;
    background: rgba(255,255,255,0.15);
    margin: 0 1rem;
}
.topbar-right {
    display: flex;
    align-items: center;
    gap: 0.3rem;
}
.topbar-social {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    color: rgba(255,255,255,0.55);
    font-size: 0.85rem;
    text-decoration: none;
    transition: all 0.25s ease;
}
.topbar-social:hover {
    color: var(--frosted-blue);
    background: rgba(166,225,250,0.08);
}

/* ── Navbar ── */
.site-header .navbar {
    background: rgba(10,10,10,0.90) !important;
    backdrop-filter: blur(28px);
    -webkit-backdrop-filter: blur(28px);
    padding: 0.5rem 0;
    transition: all 0.35s ease;
    position: relative;
}
.site-header .navbar-brand {
    position: relative;
    padding: 0.25rem 0;
}
.site-header .navbar-brand img {
    height: 50px;
    width: auto;
    transition: height 0.35s ease;
    filter: drop-shadow(0 0 18px rgba(166,225,250,0.15));
}
.site-header .navbar-brand::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 120px;
    height: 70px;
    background: radial-gradient(ellipse at center, rgba(14,107,168,0.12) 0%, transparent 70%);
    pointer-events: none;
    z-index: -1;
}
.header-scrolled .site-header .navbar-brand img {
    height: 38px;
}
@media (max-width: 991px) {
    .site-header .navbar-brand img {
        height: 38px;
    }
}

/* Nav Links */
.site-header .navbar .nav-link {
    color: rgba(255,255,255,0.68) !important;
    font-weight: 550;
    font-size: 0.82rem;
    letter-spacing: 0.4px;
    padding: 0.5rem 0.85rem !important;
    transition: all 0.3s ease;
    position: relative;
    display: flex;
    align-items: center;
    gap: 0.35rem;
    border-radius: 6px;
}
.site-header .navbar .nav-link .nav-icon {
    font-size: 0.72rem;
    color: rgba(166,225,250,0.45);
    transition: all 0.3s ease;
}
.site-header .navbar .nav-link::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 0.85rem;
    right: 0.85rem;
    height: 2px;
    background: var(--gradient-blue);
    border-radius: 2px;
    transform: scaleX(0);
    transition: transform 0.3s ease;
}
.site-header .navbar .nav-link:hover,
.site-header .navbar .nav-link.active {
    color: var(--frosted-blue) !important;
}
.site-header .navbar .nav-link:hover .nav-icon,
.site-header .navbar .nav-link.active .nav-icon {
    color: var(--frosted-blue);
}
.site-header .navbar .nav-link:hover::after,
.site-header .navbar .nav-link.active::after {
    transform: scaleX(1);
}

/* Nav CTA Button */
.nav-cta-item {
    margin-left: 0.6rem;
}
.btn-nav-cta {
    background: var(--gradient-blue);
    border: none;
    color: var(--white) !important;
    font-weight: 650;
    padding: 0.55rem 1.25rem;
    border-radius: 50px;
    font-size: 0.82rem;
    letter-spacing: 0.3px;
    transition: all 0.35s ease;
    box-shadow: 0 2px 12px rgba(14,107,168,0.30);
    position: relative;
    overflow: hidden;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
}
.btn-nav-cta::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background: linear-gradient(135deg, rgba(166,225,250,0.18) 0%, transparent 60%);
    pointer-events: none;
}
.btn-nav-cta:hover {
    background: var(--cornflower-ocean);
    transform: translateY(-2px);
    box-shadow: 0 8px 28px rgba(14,107,168,0.50);
    color: var(--white) !important;
}
.btn-nav-cta i {
    font-size: 0.8rem;
}

/* Bottom glow line */
.navbar-glow-line {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg,
        transparent 0%,
        rgba(14,107,168,0.2) 10%,
        var(--frosted-blue) 30%,
        var(--cornflower-ocean) 50%,
        var(--frosted-blue) 70%,
        rgba(14,107,168,0.2) 90%,
        transparent 100%
    );
    opacity: 0.7;
    animation: glowPulse 3s ease-in-out infinite;
}
@keyframes glowPulse {
    0%, 100% { opacity: 0.45; }
    50% { opacity: 0.85; }
}

/* Toggler */
.site-header .navbar-toggler {
    border: 1px solid rgba(166,225,250,0.15) !important;
    border-radius: 8px;
    padding: 0.35rem 0.5rem;
    box-shadow: none;
    transition: border-color 0.3s;
}
.site-header .navbar-toggler:hover {
    border-color: rgba(166,225,250,0.35) !important;
}
.site-header .navbar-toggler:focus {
    box-shadow: 0 0 0 3px rgba(14,107,168,0.15);
}
.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(166,225,250,0.8)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* Mobile nav */
@media (max-width: 991px) {
    .site-header .navbar-collapse {
        background: rgba(10,10,10,0.96);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        border-radius: 0 0 12px 12px;
        padding: 0.8rem 1rem;
        margin-top: 0.5rem;
        border: 1px solid rgba(255,255,255,0.05);
        border-top: none;
    }
    .site-header .navbar .nav-link {
        padding: 0.65rem 0.85rem !important;
        font-size: 0.88rem;
    }
    .site-header .navbar .nav-link::after {
        display: none;
    }
    .nav-cta-item {
        margin-left: 0;
        margin-top: 0.4rem;
    }
    .btn-nav-cta {
        width: 100%;
        justify-content: center;
        padding: 0.7rem 1.25rem;
    }
}

/* ── Buttons ── */
.btn-primary-glow {
    background: var(--imperial-blue);
    border: none;
    color: var(--white);
    font-weight: 600;
    padding: 0.8rem 2rem;
    border-radius: var(--radius-sm);
    letter-spacing: 0.3px;
    font-size: 0.92rem;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(10,36,114,0.35);
    position: relative;
    overflow: hidden;
}
.btn-primary-glow::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background: linear-gradient(135deg, rgba(166,225,250,0.10) 0%, transparent 60%);
    pointer-events: none;
}
.btn-primary-glow:hover {
    background: var(--cornflower-ocean);
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(14,107,168,0.45);
    color: var(--white);
}

.btn-outline-glow {
    background: transparent;
    border: 1.5px solid rgba(166,225,250,0.35);
    color: var(--frosted-blue);
    font-weight: 600;
    padding: 0.75rem 2rem;
    border-radius: var(--radius-sm);
    letter-spacing: 0.3px;
    font-size: 0.92rem;
    transition: all 0.3s ease;
}
.btn-outline-glow:hover {
    background: rgba(166,225,250,0.08);
    border-color: var(--frosted-blue);
    color: var(--frosted-blue);
    box-shadow: 0 6px 24px rgba(166,225,250,0.12);
}

/* ── Section Headers ── */
.section-header {
    text-align: center;
    margin-bottom: 3.5rem;
}
.section-header .section-overline {
    display: inline-block;
    text-transform: uppercase;
    letter-spacing: 2.5px;
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--frosted-blue);
    margin-bottom: 0.5rem;
}
.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 0.8rem;
    letter-spacing: -0.5px;
}
.section-header h2 .accent {
    color: var(--frosted-blue);
}
.section-header .section-divider {
    display: block;
    width: 48px;
    height: 3px;
    background: var(--frosted-blue);
    margin: 0.8rem auto 1rem;
    border-radius: 2px;
    opacity: 0.7;
}
.section-header p {
    font-size: 1.05rem;
    color: var(--text-secondary-dark);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.7;
    font-weight: 400;
}

/* ── Service Cards ── */
.service-card {
    background: var(--dark-card);
    border-radius: var(--radius-md);
    padding: 2rem 1.6rem;
    text-align: left;
    box-shadow: var(--shadow-card);
    transition: all 0.35s ease;
    border: 1px solid var(--dark-border);
    height: 100%;
}
.service-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-card-hover);
    border-color: var(--dark-border-hover);
}
.service-card .icon-wrapper {
    width: 52px;
    height: 52px;
    border-radius: var(--radius-sm);
    background: rgba(14,107,168,0.10);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.2rem;
    transition: all 0.35s ease;
}
.service-card:hover .icon-wrapper {
    background: var(--cornflower-ocean);
}
.service-card .icon-wrapper i {
    font-size: 1.5rem;
    color: var(--frosted-blue);
    transition: color 0.35s ease;
}
.service-card:hover .icon-wrapper i {
    color: var(--white);
}
.service-card h3 {
    font-size: 1.08rem;
    font-weight: 650;
    margin-bottom: 0.5rem;
    color: var(--white);
}
.service-card p {
    font-size: 0.9rem;
    color: var(--text-muted-dark);
    margin-bottom: 0;
    line-height: 1.65;
}

/* ── Footer ── */
.site-footer {
    position: relative;
    background: linear-gradient(180deg, #06070f 0%, #0a0f1f 40%, #0b1025 100%);
    color: rgba(255,255,255,0.72);
    padding: 0 0 2rem;
    font-size: 0.92rem;
    overflow: hidden;
}

/* ── Footer separator (top glow line) ── */
.footer-separator {
    position: relative;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg,
        transparent 0%,
        var(--cornflower-ocean) 20%,
        var(--frosted-blue) 50%,
        var(--cornflower-ocean) 80%,
        transparent 100%
    );
    margin-bottom: 3.5rem;
}
.footer-separator-glow {
    position: absolute;
    top: -30px;
    left: 50%;
    transform: translateX(-50%);
    width: 360px;
    height: 60px;
    background: radial-gradient(ellipse at center, rgba(14,107,168,0.35) 0%, transparent 70%);
    pointer-events: none;
}

/* ── Footer grid ── */
.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1.2fr 1.4fr;
    gap: 2rem;
    margin-bottom: 2.5rem;
}

/* ── Footer columns ── */
.footer-col-heading {
    font-size: 1rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 1.2rem;
    padding-bottom: 0.7rem;
    position: relative;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    letter-spacing: 0.02em;
}
.footer-col-heading::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 3px;
    border-radius: 3px;
    background: var(--gradient-blue);
}
.footer-col-heading i {
    font-size: 1rem;
    color: var(--frosted-blue);
}

/* ── Brand column ── */
.footer-brand-name {
    font-size: 1.55rem;
    font-weight: 750;
    color: var(--white);
    margin-bottom: 0.6rem;
    letter-spacing: -0.01em;
    background: linear-gradient(135deg, #fff 0%, var(--frosted-blue) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.footer-brand-desc {
    color: rgba(255,255,255,0.6);
    line-height: 1.7;
    margin-bottom: 1.4rem;
    font-size: 0.9rem;
}

.footer-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    margin-bottom: 0.9rem;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--frosted-blue);
}
.footer-eyebrow i {
    font-size: 0.65rem;
}

.footer-label {
    display: block;
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: rgba(255,255,255,0.35);
    margin-bottom: 0.6rem;
}

/* ── Social links ── */
.footer-social-block {
    margin-top: 0.5rem;
}
.social-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    margin-top: 0.5rem;
}
.social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border-radius: 50%;
    font-size: 1.1rem;
    color: rgba(255,255,255,0.7);
    background: rgba(166,225,250,0.06);
    border: 1px solid rgba(166,225,250,0.12);
    transition: all 0.3s ease;
    position: relative;
    text-decoration: none;
}
.social-links a::before {
    content: '';
    position: absolute;
    inset: -2px;
    border-radius: 50%;
    background: var(--gradient-blue);
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: -1;
}
.social-links a:hover {
    color: #fff;
    border-color: var(--cornflower-ocean);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(14,107,168,0.3);
}
.social-links a:hover::before {
    opacity: 1;
}

/* ── Quick links list ── */
.footer-links-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}
.footer-links-list li a {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: rgba(255,255,255,0.6);
    text-decoration: none;
    font-size: 0.88rem;
    padding: 0.35rem 0;
    transition: all 0.25s ease;
    position: relative;
}
.footer-links-list li a i {
    font-size: 0.65rem;
    color: var(--cornflower-ocean);
    transition: transform 0.25s ease;
}
.footer-links-list li a:hover {
    color: var(--frosted-blue);
    transform: translateX(4px);
}
.footer-links-list li a:hover i {
    transform: translateX(2px);
    color: var(--frosted-blue);
}

/* ── Credentials column ── */
.footer-cred-card {
    display: flex;
    align-items: flex-start;
    gap: 0.9rem;
    padding: 1rem 1.1rem;
    background: rgba(255,255,255,0.025);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: var(--radius-md);
    margin-bottom: 1.2rem;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}
.footer-cred-card:hover {
    border-color: rgba(166,225,250,0.18);
    box-shadow: 0 4px 24px rgba(14,107,168,0.1);
}
.footer-cred-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-sm);
    background: rgba(14,107,168,0.12);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    color: var(--frosted-blue);
    flex-shrink: 0;
}
.footer-name {
    font-size: 1rem;
    font-weight: 650;
    color: var(--white);
    margin-bottom: 0.15rem;
}
.footer-license {
    font-size: 0.8rem;
    color: rgba(255,255,255,0.45);
    font-family: 'SF Mono', 'Fira Code', monospace;
    letter-spacing: 0.04em;
}

/* ── Membership badges ── */
.footer-memberships {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-top: 0.5rem;
}
.footer-membership-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.55rem 0.75rem;
    border-radius: var(--radius-sm);
    background: rgba(255,255,255,0.025);
    border: 1px solid rgba(255,255,255,0.05);
    text-decoration: none;
    color: rgba(255,255,255,0.65);
    font-size: 0.8rem;
    transition: all 0.3s ease;
}
.footer-membership-item img {
    height: 28px;
    width: auto;
    object-fit: contain;
    filter: brightness(1.1);
    flex-shrink: 0;
}
.footer-membership-item span {
    line-height: 1.3;
}
.footer-membership-item:hover {
    border-color: rgba(166,225,250,0.2);
    background: rgba(14,107,168,0.08);
    color: var(--frosted-blue);
    transform: translateX(3px);
}

/* ── Contact column ── */
.footer-contact-items {
    display: flex;
    flex-direction: column;
    gap: 0.7rem;
    margin-bottom: 1.2rem;
}
.footer-contact-item {
    display: flex;
    align-items: flex-start;
    gap: 0.8rem;
    text-decoration: none;
    padding: 0.5rem 0;
    transition: transform 0.25s ease;
}
a.footer-contact-item:hover {
    transform: translateX(4px);
}
a.footer-contact-item:hover .footer-contact-value {
    color: var(--frosted-blue);
}
.footer-contact-icon {
    width: 38px;
    height: 38px;
    border-radius: var(--radius-sm);
    background: rgba(14,107,168,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    color: var(--cornflower-ocean);
    flex-shrink: 0;
}
.footer-contact-text {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
}
.footer-contact-value {
    color: rgba(255,255,255,0.75);
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.25s ease;
    text-decoration: none;
}

/* ── Map ── */
.footer-map-wrapper {
    overflow: hidden;
    border-radius: var(--radius-md);
    border: 1px solid rgba(255,255,255,0.08);
    box-shadow: 0 4px 20px rgba(0,0,0,0.3);
    transition: border-color 0.3s ease;
}
.footer-map-wrapper:hover {
    border-color: rgba(166,225,250,0.18);
}
.footer-map {
    width: 100%;
    min-height: 170px;
    border: 0;
    display: block;
}

/* ── Bottom bar ── */
.footer-bottom {
    position: relative;
    padding-top: 1.6rem;
    border-top: 1px solid rgba(255,255,255,0.06);
}
.footer-bottom-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.75rem;
}
.footer-copyright {
    font-size: 0.82rem;
    color: rgba(255,255,255,0.4);
    margin: 0;
}
.footer-tagline {
    font-size: 0.78rem;
    color: rgba(255,255,255,0.35);
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0.35rem;
    letter-spacing: 0.04em;
}
.footer-tagline i {
    font-size: 0.85rem;
    color: var(--cornflower-ocean);
}

/* ── Footer responsive ── */
@media (max-width: 1199px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 2rem;
    }
}
@media (max-width: 767px) {
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 1.8rem;
    }
    .footer-separator {
        margin-bottom: 2.5rem;
    }
    .footer-separator-glow {
        width: 200px;
    }
    .footer-brand-name {
        font-size: 1.35rem;
    }
    .footer-map {
        min-height: 160px;
    }
    .footer-bottom-inner {
        flex-direction: column;
        text-align: center;
    }
}

/* ── Animations ── */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}
.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ── PHP Email Form Messages ── */
.php-email-form .error-message {
    display: none;
    background: #df1529;
    color: #ffffff;
    text-align: left;
    padding: 15px;
    margin-bottom: 24px;
    font-weight: 600;
    border-radius: var(--radius-sm);
}
.php-email-form .sent-message {
    display: none;
    color: #ffffff;
    background: #059652;
    text-align: center;
    padding: 15px;
    margin-bottom: 24px;
    font-weight: 600;
    border-radius: var(--radius-sm);
}
.php-email-form .loading {
    display: none;
    background: var(--imperial-blue);
    text-align: center;
    padding: 15px;
    margin-bottom: 24px;
    border-radius: var(--radius-sm);
    color: #fff;
}
.php-email-form .loading:before {
    content: "";
    display: inline-block;
    border-radius: 50%;
    width: 24px;
    height: 24px;
    margin: 0 10px -6px 0;
    border: 3px solid rgba(255,255,255,0.3);
    border-top-color: #fff;
    animation: php-email-form-loading 1s linear infinite;
}
@keyframes php-email-form-loading {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* ── Dark Theme Utilities ── */
.section-dark {
    background: var(--charcoal);
}
.section-dark-alt {
    background: var(--dark-surface);
}
.section-dark-deep {
    background: #0e0e0e;
}

/* Dark reason / feature cards */
.dark-card {
    background: var(--dark-card);
    border-radius: var(--radius-md);
    padding: 2rem 1.8rem;
    box-shadow: var(--shadow-card);
    display: flex;
    gap: 1.2rem;
    align-items: flex-start;
    transition: all 0.3s ease;
    height: 100%;
    border: 1px solid var(--dark-border);
}
.dark-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-card-hover);
    border-color: var(--dark-border-hover);
}
.dark-card .dark-card-icon {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-sm);
    background: rgba(14,107,168,0.10);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 1.4rem;
    color: var(--frosted-blue);
    transition: all 0.3s ease;
}
.dark-card:hover .dark-card-icon {
    background: var(--cornflower-ocean);
    color: var(--white);
}
.dark-card h4 {
    font-weight: 650;
    font-size: 1.05rem;
    margin-bottom: 0.25rem;
    color: var(--white);
}
.dark-card p {
    color: var(--text-muted-dark);
    font-size: 0.88rem;
    margin: 0;
    line-height: 1.6;
}

/* Dark feature list */
.dark-feature-list {
    list-style: none;
    padding: 0;
}
.dark-feature-list li {
    padding: 0.75rem 0;
    font-size: 1rem;
    display: flex;
    align-items: flex-start;
    gap: 0.8rem;
    border-bottom: 1px solid rgba(255,255,255,0.06);
    color: var(--text-secondary-dark);
}
.dark-feature-list li i {
    color: var(--frosted-blue);
    font-size: 1.2rem;
    margin-top: 2px;
    flex-shrink: 0;
}

/* Dark area pills */
.area-pill-dark {
    display: inline-block;
    background: var(--dark-card);
    color: var(--text-secondary-dark);
    padding: 0.6rem 1.4rem;
    border-radius: 6px;
    margin: 0.3rem;
    font-weight: 500;
    font-size: 0.88rem;
    transition: all 0.3s ease;
    border: 1px solid var(--dark-border);
    cursor: default;
}
.area-pill-dark:hover {
    background: var(--imperial-blue);
    color: var(--frosted-blue);
    border-color: rgba(166,225,250,0.25);
    transform: translateY(-2px);
}

/* Dark CTA banner */
.cta-banner-dark {
    padding: 5.5rem 0;
    background: linear-gradient(135deg, #08081a 0%, #0d0d28 100%);
    position: relative;
    overflow: hidden;
    border-top: 1px solid rgba(255,255,255,0.03);
    border-bottom: 1px solid rgba(255,255,255,0.03);
}
.cta-banner-dark::before {
    content: '';
    position: absolute;
    top: -200px;
    right: -200px;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(14,107,168,0.12) 0%, transparent 70%);
    border-radius: 50%;
}
.cta-banner-dark::after {
    content: '';
    position: absolute;
    bottom: -120px;
    left: -120px;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(166,225,250,0.06) 0%, transparent 70%);
    border-radius: 50%;
}
.cta-banner-dark h2 {
    font-size: 2.6rem;
    font-weight: 700;
    color: var(--white);
    position: relative;
    z-index: 1;
    letter-spacing: -0.5px;
}
.cta-banner-dark p {
    color: var(--text-muted-dark);
    font-size: 1.1rem;
    position: relative;
    z-index: 1;
}

/* Dark floating badge */
.floating-badge-dark {
    position: absolute;
    bottom: -20px;
    left: -20px;
    background: var(--imperial-blue);
    color: var(--frosted-blue);
    font-weight: 700;
    padding: 1rem 1.6rem;
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    box-shadow: 0 8px 30px rgba(0,0,0,0.5);
    border: 1px solid rgba(166,225,250,0.15);
}

/* Dark image stack */
.image-stack-dark {
    position: relative;
}
.image-stack-dark img {
    border-radius: var(--radius-lg);
    box-shadow: 0 20px 50px rgba(0,0,0,0.5);
    width: 100%;
}

@media (max-width: 768px) {
    .cta-banner-dark h2 { font-size: 1.9rem; }
    .floating-badge-dark {
        left: 0; bottom: -10px;
        padding: 0.7rem 1.1rem; font-size: 0.8rem;
    }
}