/* ==========================================================================
   GSMS Brand Design Tokens (brief §0.1 / §0.3)
   ========================================================================== */
:root {
    --gsms-navy: #1B2A6B;
    --gsms-blue: #1F5FA8;
    --gsms-white: #FFFFFF;
    --gsms-red: #C8202F;
    --gsms-yellow: #F2B705;
    --gsms-orange: #E8722C;
    --gsms-charcoal: #333333;
    --gsms-grey-light: #F5F7FB;

    --font-heading: 'Poppins', 'Segoe UI', sans-serif;
    --font-body: 'Inter', 'Segoe UI', sans-serif;
}

body {
    font-family: var(--font-body);
    color: var(--gsms-charcoal);
}

h1, h2, h3, h4, h5, h6,
.font-heading {
    font-family: var(--font-heading);
    color: var(--gsms-navy);
    font-weight: 700;
}

/* Image + fallback placeholder share sizing so layout never jumps */
.img-fallback,
.img-fallback-placeholder {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.img-fallback-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--gsms-navy), var(--gsms-blue));
    color: rgba(255, 255, 255, 0.85);
    min-height: 220px;
}

.img-fallback-placeholder i {
    font-size: 2.5rem;
}

/* ==========================================================================
   Skip link
   ========================================================================== */
.skip-link {
    position: absolute;
    top: -60px;
    left: 0;
    background: var(--gsms-red);
    color: #fff;
    padding: 0.5rem 1rem;
    z-index: 2000;
}
.skip-link:focus {
    top: 0;
}

/* ==========================================================================
   Navbar
   ========================================================================== */
.gsms-navbar {
    background: var(--gsms-navy);
    padding-top: 0.6rem;
    padding-bottom: 0.6rem;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.12);
}

.gsms-logo-badge {
    display: inline-flex;
    align-items: center;
    background: #fff;
    border-radius: 8px;
    padding: 4px 10px;
    height: 46px;
}
.gsms-logo-badge-footer {
    height: 52px;
}
.gsms-logo-img {
    height: 100%;
    width: auto;
    object-fit: contain;
}

.navbar-nav .nav-link {
    color: rgba(255, 255, 255, 0.9);
    font-weight: 500;
    padding: 0.5rem 0.9rem;
    border-radius: 6px;
    transition: background 0.2s, color 0.2s;
}
.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
    color: #fff;
    background: rgba(255, 255, 255, 0.12);
}

.btn-gsms-cta {
    background: var(--gsms-red);
    color: #fff;
    font-weight: 600;
    border-radius: 999px;
    padding: 0.5rem 1.3rem;
    white-space: nowrap;
    border: none;
}
.btn-gsms-cta:hover {
    background: #a71926;
    color: #fff;
}

.btn-gsms-outline {
    background: transparent;
    color: var(--gsms-orange);
    border: 2px solid var(--gsms-orange);
    font-weight: 600;
    border-radius: 999px;
    padding: 0.5rem 1.3rem;
}
.btn-gsms-outline:hover {
    background: var(--gsms-orange);
    color: #fff;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.gsms-footer {
    background: var(--gsms-navy);
    color: rgba(255, 255, 255, 0.85);
}
.footer-tagline {
    color: var(--gsms-yellow);
}
.footer-muted {
    color: rgba(255, 255, 255, 0.65);
}
.footer-heading {
    color: #fff;
    font-family: var(--font-heading);
    font-weight: 600;
    margin-bottom: 1rem;
}
.footer-links li {
    margin-bottom: 0.5rem;
}
.footer-links a {
    color: rgba(255, 255, 255, 0.75);
    text-decoration: none;
}
.footer-links a:hover {
    color: var(--gsms-yellow);
}
.footer-social a {
    color: #fff;
    font-size: 1.25rem;
}
.footer-social a:hover {
    color: var(--gsms-yellow);
}
.footer-strip {
    background: var(--gsms-blue);
    color: #fff;
    font-size: 0.95rem;
}
.footer-strip-sub {
    color: rgba(255, 255, 255, 0.85);
}
.footer-copyright {
    background: #14204f;
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.85rem;
}

/* ==========================================================================
   WhatsApp floating button
   ========================================================================== */
.whatsapp-float {
    position: fixed;
    right: 22px;
    bottom: 22px;
    width: 58px;
    height: 58px;
    background: #25D366;
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.25);
    z-index: 1500;
    transition: transform 0.2s;
}
.whatsapp-float:hover {
    transform: scale(1.08);
    color: #fff;
}

/* ==========================================================================
   Scroll reveal animation
   ========================================================================== */
.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* ==========================================================================
   Reusable section building blocks
   ========================================================================== */
.section-pad {
    padding: 4.5rem 0;
}
.bg-navy {
    background: var(--gsms-navy);
}
.bg-soft {
    background: var(--gsms-grey-light);
}
.text-gsms-yellow {
    color: var(--gsms-yellow);
}
.badge-eyebrow {
    display: inline-block;
    color: var(--gsms-orange);
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    font-size: 0.8rem;
    margin-bottom: 0.75rem;
}

.icon-circle {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: #fff;
    flex-shrink: 0;
}

.card-gsms {
    border: none;
    border-radius: 14px;
    box-shadow: 0 4px 18px rgba(27, 42, 107, 0.08);
    transition: transform 0.25s, box-shadow 0.25s;
    height: 100%;
}
.card-gsms:hover {
    transform: translateY(-6px);
    box-shadow: 0 10px 28px rgba(27, 42, 107, 0.15);
}

.ratio-media {
    border-radius: 14px;
    overflow: hidden;
}

.check-list {
    list-style: none;
    padding-left: 0;
}
.check-list li {
    padding-left: 1.9rem;
    position: relative;
    margin-bottom: 0.6rem;
}
.check-list li::before {
    content: "\f26e";
    font-family: "bootstrap-icons";
    position: absolute;
    left: 0;
    color: #1f9d55;
    font-weight: 700;
}

/* Hero carousel */
.hero-carousel .carousel-item {
    min-height: 560px;
}
.hero-carousel .carousel-item.active {
    display: flex;
    align-items: center;
}
.hero-slide-media {
    position: absolute;
    inset: 0;
    z-index: 0;
}
.hero-slide-media img,
.hero-slide-media .img-fallback-placeholder {
    width: 100%;
    height: 100%;
}
.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(100deg, rgba(27,42,107,0.92) 30%, rgba(27,42,107,0.55) 75%);
    z-index: 1;
}
.hero-slide-content {
    position: relative;
    z-index: 2;
    color: #fff;
    padding: 3rem 0;
    max-width: 640px;
}
@media (max-width: 767.98px) {
    .hero-carousel .carousel-item {
        min-height: 620px;
    }
}