/* ============================================================
   KHOROMMBI SECURITY SERVICES — Main Stylesheet
   ============================================================ */

/* ------ Custom Properties ------ */
:root {
    --clr-bg:        #0d1117;
    --clr-navy:      #1a1a2e;
    --clr-navy-mid:  #16213e;
    --clr-red:       #e94560;
    --clr-red-dark:  #c53050;
    --clr-gold:      #c9a84c;
    --clr-light:     #f4f4f6;
    --clr-muted:     #8a8fa8;
    --clr-white:     #ffffff;

    --ff-heading: 'Oswald', sans-serif;
    --ff-body:    'Open Sans', sans-serif;

    --radius: 8px;
    --radius-lg: 16px;
    --shadow: 0 4px 24px rgba(0,0,0,0.18);
    --shadow-lg: 0 12px 48px rgba(0,0,0,0.28);
    --transition: 0.3s ease;

    --nav-h: 70px;
}

/* ------ Reset & Base ------ */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    font-family: var(--ff-body);
    background-color: var(--clr-light);
    color: var(--clr-bg);
    line-height: 1.7;
    overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a   { text-decoration: none; color: inherit; }
ul  { list-style: none; }
button { cursor: pointer; border: none; background: none; }

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.accent { color: var(--clr-red); }

/* ------ Scroll Reveal ------ */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ------ Buttons ------ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    border-radius: var(--radius);
    font-family: var(--ff-heading);
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    transition: var(--transition);
}
.btn-primary {
    background: var(--clr-red);
    color: var(--clr-white);
}
.btn-primary:hover {
    background: var(--clr-red-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(233,69,96,0.4);
}
.btn-outline {
    border: 2px solid var(--clr-white);
    color: var(--clr-white);
}
.btn-outline:hover {
    background: var(--clr-white);
    color: var(--clr-navy);
    transform: translateY(-2px);
}
.btn-full { width: 100%; justify-content: center; }


/* ============================================================
   NAVIGATION
============================================================ */
#navbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    height: var(--nav-h);
    z-index: 1000;
    background: transparent;
    transition: background var(--transition), box-shadow var(--transition);
}
#navbar.scrolled {
    background: var(--clr-navy);
    box-shadow: 0 2px 20px rgba(0,0,0,0.4);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--clr-white);
    font-family: var(--ff-heading);
    font-size: 1.3rem;
    font-weight: 700;
    letter-spacing: 2px;
}
.nav-logo-img {
    width: 48px;
    height: 48px;
    object-fit: contain;
    border-radius: 4px;
    mix-blend-mode: screen;   /* black bg vanishes; white/red logo stays crisp */
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 6px;
}
.nav-link {
    color: rgba(255,255,255,0.88);
    font-family: var(--ff-heading);
    font-size: 0.88rem;
    font-weight: 500;
    letter-spacing: 1px;
    text-transform: uppercase;
    padding: 8px 12px;
    border-radius: var(--radius);
    transition: var(--transition);
}
.nav-link:hover {
    color: var(--clr-white);
    background: rgba(255,255,255,0.1);
}
.nav-cta {
    background: var(--clr-red);
    color: var(--clr-white) !important;
    padding: 8px 20px;
}
.nav-cta:hover {
    background: var(--clr-red-dark) !important;
}

/* Hamburger */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 6px;
}
.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--clr-white);
    border-radius: 2px;
    transition: var(--transition);
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }


/* ============================================================
   HEADER
============================================================ */
header {
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    background:
        linear-gradient(to bottom, rgba(0,0,0,0.65) 0%, rgba(13,17,23,0.9) 100%),
        url('../images/security-bg.png') center/cover no-repeat;
    color: var(--clr-white);
    overflow: hidden;
}

.header-overlay {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at center, transparent 30%, rgba(0,0,0,0.5) 100%);
    pointer-events: none;
}

.header-content {
    position: relative;
    z-index: 1;
    padding: calc(var(--nav-h) + 40px) 24px 60px;
    max-width: 860px;
}
.header-logo-img {
    width: 140px;
    margin: 0 auto 24px;
    filter: brightness(0) invert(1);
    opacity: 0.92;
}
.header-title {
    font-family: var(--ff-heading);
    font-size: clamp(2rem, 5vw, 3.6rem);
    font-weight: 700;
    letter-spacing: 3px;
    text-transform: uppercase;
    line-height: 1.15;
    margin-bottom: 16px;
}
.header-tagline {
    font-family: var(--ff-heading);
    font-size: clamp(1.2rem, 3vw, 1.8rem);
    color: var(--clr-red);
    letter-spacing: 4px;
    margin-bottom: 12px;
}
.header-sub {
    font-size: 1.05rem;
    color: rgba(255,255,255,0.75);
    margin-bottom: 40px;
}
.header-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.scroll-down {
    position: absolute;
    bottom: 36px;
    left: 50%;
    transform: translateX(-50%);
    color: rgba(255,255,255,0.6);
    font-size: 1.4rem;
    animation: bounce 2s infinite;
}
@keyframes bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50%       { transform: translateX(-50%) translateY(8px); }
}


/* ============================================================
   STATS BAR
============================================================ */
.stats-bar {
    background: var(--clr-navy);
    padding: 48px 0;
}
.stats-bar .container {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    gap: 32px;
}
.stat-item {
    text-align: center;
    min-width: 140px;
}
.stat-number {
    font-family: var(--ff-heading);
    font-size: 3rem;
    font-weight: 700;
    color: var(--clr-red);
}
.stat-unit {
    font-family: var(--ff-heading);
    font-size: 2rem;
    color: var(--clr-red);
}
.stat-label {
    font-size: 0.85rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: rgba(255,255,255,0.65);
    margin-top: 4px;
}


/* ============================================================
   SECTION SHARED
============================================================ */
.section-light { background: var(--clr-light); }
.section-dark  { background: var(--clr-navy); color: var(--clr-white); }

section { padding: 100px 0; }

.section-header {
    text-align: center;
    margin-bottom: 56px;
}
.section-tag {
    display: inline-block;
    font-family: var(--ff-heading);
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--clr-red);
    margin-bottom: 10px;
}
.section-header h2 {
    font-family: var(--ff-heading);
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
}
.section-dark .section-header h2 { color: var(--clr-white); }
.section-line {
    width: 60px;
    height: 4px;
    background: var(--clr-red);
    margin: 16px auto 0;
    border-radius: 2px;
}
.section-sub {
    max-width: 700px;
    margin: 20px auto 0;
    color: var(--clr-muted);
    font-size: 1rem;
    line-height: 1.8;
}
.section-dark .section-sub { color: rgba(255,255,255,0.6); }


/* ============================================================
   ABOUT — Mission & Vision
============================================================ */
.mv-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
    margin-bottom: 40px;
}
.mv-card {
    background: var(--clr-white);
    border-radius: var(--radius-lg);
    padding: 40px 36px;
    box-shadow: var(--shadow);
    border-top: 4px solid var(--clr-red);
    transition: transform var(--transition), box-shadow var(--transition);
}
.mv-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}
.mv-icon {
    width: 56px;
    height: 56px;
    background: rgba(233,69,96,0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}
.mv-icon i {
    font-size: 1.5rem;
    color: var(--clr-red);
}
.mv-card h3 {
    font-family: var(--ff-heading);
    font-size: 1.4rem;
    color: var(--clr-navy);
    margin-bottom: 14px;
    letter-spacing: 2px;
}
.mv-card p { color: #555; font-size: 0.97rem; }

.ownership-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: linear-gradient(135deg, var(--clr-navy), var(--clr-navy-mid));
    color: var(--clr-gold);
    border-radius: 50px;
    padding: 12px 28px;
    font-family: var(--ff-heading);
    font-size: 0.9rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin: 0 auto;
    display: flex;
    width: fit-content;
}
.ownership-badge i { font-size: 1.2rem; }


/* ============================================================
   VALUES
============================================================ */
.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
    gap: 28px;
}
.value-card {
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius-lg);
    padding: 36px 28px;
    text-align: center;
    transition: transform var(--transition), background var(--transition);
}
.value-card:hover {
    transform: translateY(-6px);
    background: rgba(255,255,255,0.1);
}
.value-icon {
    width: 64px;
    height: 64px;
    background: rgba(233,69,96,0.15);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}
.value-icon i { font-size: 1.7rem; color: var(--clr-red); }
.value-card h3 {
    font-family: var(--ff-heading);
    font-size: 1.2rem;
    color: var(--clr-white);
    letter-spacing: 2px;
    margin-bottom: 12px;
}
.value-card p { color: rgba(255,255,255,0.65); font-size: 0.93rem; }


/* ============================================================
   SERVICES
============================================================ */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 28px;
}
.service-card {
    background: var(--clr-white);
    border-radius: var(--radius-lg);
    padding: 36px 30px;
    box-shadow: var(--shadow);
    transition: transform var(--transition), box-shadow var(--transition);
    position: relative;
    overflow: hidden;
}
.service-card::before {
    content: '';
    position: absolute;
    bottom: 0; left: 0;
    width: 100%;
    height: 4px;
    background: var(--clr-red);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition);
}
.service-card:hover::before { transform: scaleX(1); }
.service-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}
.service-icon {
    width: 64px;
    height: 64px;
    background: rgba(233,69,96,0.1);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}
.service-icon i { font-size: 1.8rem; color: var(--clr-red); }
.service-card h3 {
    font-family: var(--ff-heading);
    font-size: 1.25rem;
    color: var(--clr-navy);
    letter-spacing: 1px;
    margin-bottom: 12px;
}
.service-card p { color: #666; font-size: 0.94rem; }


/* ============================================================
   CALLOUT
============================================================ */
.callout {
    background: linear-gradient(135deg, var(--clr-red) 0%, #9b1c32 100%);
    color: var(--clr-white);
    padding: 80px 0;
}
.callout-content {
    text-align: center;
    max-width: 820px;
    margin: 0 auto;
}
.callout-icon {
    font-size: 2.8rem;
    opacity: 0.8;
    margin-bottom: 20px;
}
.callout-content h2 {
    font-family: var(--ff-heading);
    font-size: clamp(1.6rem, 3.5vw, 2.4rem);
    letter-spacing: 3px;
    margin-bottom: 20px;
}
.callout-content p {
    font-size: 1rem;
    opacity: 0.9;
    line-height: 1.9;
}


/* ============================================================
   GALLERY
============================================================ */
.gallery-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: center;
    margin-bottom: 40px;
}
.filter-btn {
    font-family: var(--ff-heading);
    font-size: 0.88rem;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    padding: 10px 24px;
    border-radius: 50px;
    border: 2px solid #ddd;
    color: #555;
    background: transparent;
    transition: var(--transition);
}
.filter-btn:hover,
.filter-btn.active {
    background: var(--clr-red);
    border-color: var(--clr-red);
    color: var(--clr-white);
}

.gallery-grid {
    columns: 4 240px;
    column-gap: 16px;
}
.gallery-item {
    break-inside: avoid;
    margin-bottom: 16px;
    border-radius: var(--radius);
    overflow: hidden;
    position: relative;
    cursor: pointer;
}
.gallery-item img {
    width: 100%;
    display: block;
    transition: transform 0.5s ease;
}
.gallery-item:hover img { transform: scale(1.05); }

.gallery-overlay {
    position: absolute;
    inset: 0;
    background: rgba(13,17,23,0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition);
}
.gallery-overlay i { font-size: 1.8rem; color: var(--clr-white); }
.gallery-item:hover .gallery-overlay { opacity: 1; }

.gallery-item.hidden {
    display: none;
}


/* ============================================================
   LIGHTBOX
============================================================ */
.lightbox {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.92);
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
}
.lightbox.active { display: flex; }

.lb-content {
    position: relative;
    max-width: 90vw;
    max-height: 90vh;
    text-align: center;
}
.lb-content img {
    max-width: 90vw;
    max-height: 80vh;
    object-fit: contain;
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
}
.lb-caption {
    color: rgba(255,255,255,0.75);
    font-size: 0.9rem;
    margin-top: 12px;
    letter-spacing: 0.5px;
}

.lb-close, .lb-prev, .lb-next {
    position: fixed;
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.2);
    color: var(--clr-white);
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    transition: background var(--transition);
    cursor: pointer;
}
.lb-close:hover, .lb-prev:hover, .lb-next:hover {
    background: var(--clr-red);
    border-color: var(--clr-red);
}
.lb-close { top: 24px; right: 24px; }
.lb-prev  { left: 24px;  top: 50%; transform: translateY(-50%); }
.lb-next  { right: 24px; top: 50%; transform: translateY(-50%); }


/* ============================================================
   PARTNERS
============================================================ */
.partners-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 28px;
    justify-content: center;
}
.partner-card {
    background: rgba(255,255,255,0.07);
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: var(--radius-lg);
    padding: 40px 36px;
    text-align: center;
    max-width: 400px;
    transition: transform var(--transition), background var(--transition);
}
.partner-card:hover {
    transform: translateY(-4px);
    background: rgba(255,255,255,0.12);
}
.partner-logo {
    max-height: 70px;
    object-fit: contain;
    margin: 0 auto 20px;
    filter: brightness(0) invert(1);
    opacity: 0.85;
}
.partner-card h3 {
    font-family: var(--ff-heading);
    font-size: 1.4rem;
    color: var(--clr-gold);
    letter-spacing: 1px;
    margin-bottom: 12px;
}
.partner-card p { color: rgba(255,255,255,0.65); font-size: 0.95rem; }


/* ============================================================
   LEADERSHIP
============================================================ */
.leader-card {
    display: flex;
    gap: 48px;
    align-items: flex-start;
    background: var(--clr-white);
    border-radius: var(--radius-lg);
    padding: 48px;
    box-shadow: var(--shadow);
    max-width: 900px;
    margin: 0 auto;
}
.leader-img-wrap {
    flex-shrink: 0;
}
.leader-img-wrap img {
    width: 180px;
    height: 180px;
    border-radius: 50%;
    object-fit: cover;
    border: 5px solid var(--clr-red);
    box-shadow: 0 0 0 4px rgba(233,69,96,0.2);
}
.leader-role {
    display: inline-block;
    font-family: var(--ff-heading);
    font-size: 0.8rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--clr-red);
    margin-bottom: 8px;
}
.leader-info h3 {
    font-family: var(--ff-heading);
    font-size: 1.8rem;
    color: var(--clr-navy);
    letter-spacing: 1px;
    margin-bottom: 16px;
}
.leader-info p { color: #555; font-size: 0.97rem; margin-bottom: 24px; }
.leader-badges {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}
.leader-badges span {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-family: var(--ff-heading);
    font-size: 0.8rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    padding: 6px 14px;
    border-radius: 50px;
    background: rgba(233,69,96,0.1);
    color: var(--clr-red);
    border: 1px solid rgba(233,69,96,0.25);
}


/* ============================================================
   CONTACT
============================================================ */
.contact-section { padding: 100px 0; }
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 48px;
    margin-top: 20px;
}

.contact-details h3,
.contact-form-wrap h3 {
    font-family: var(--ff-heading);
    font-size: 1.6rem;
    color: var(--clr-gold);
    letter-spacing: 1px;
    margin-bottom: 28px;
}
.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 20px;
}
.contact-icon {
    width: 42px;
    height: 42px;
    background: rgba(233,69,96,0.15);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.contact-icon i { color: var(--clr-red); font-size: 1rem; }
.contact-item p { color: rgba(255,255,255,0.8); padding-top: 10px; }

.contact-social {
    display: flex;
    gap: 12px;
    margin-top: 32px;
}
.contact-social a {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    border: 1px solid rgba(255,255,255,0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255,255,255,0.7);
    transition: var(--transition);
}
.contact-social a:hover {
    background: var(--clr-red);
    border-color: var(--clr-red);
    color: var(--clr-white);
}

/* Form */
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}
.form-group {
    display: flex;
    flex-direction: column;
    margin-bottom: 16px;
}
.form-group label {
    font-size: 0.85rem;
    letter-spacing: 0.5px;
    color: rgba(255,255,255,0.7);
    margin-bottom: 6px;
    font-family: var(--ff-heading);
    text-transform: uppercase;
}
.form-group input,
.form-group textarea {
    padding: 14px 16px;
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: var(--radius);
    color: var(--clr-white);
    font-family: var(--ff-body);
    font-size: 0.95rem;
    transition: border-color var(--transition), background var(--transition);
    outline: none;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: rgba(255,255,255,0.35); }
.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--clr-red);
    background: rgba(255,255,255,0.12);
}
.form-group textarea { height: 140px; resize: vertical; }

#form-message {
    display: none;
    margin-top: 16px;
    padding: 14px 18px;
    border-radius: var(--radius);
    font-size: 0.9rem;
    font-weight: 600;
}
#form-message.success { background: rgba(46,213,115,0.15); color: #2ed573; border: 1px solid rgba(46,213,115,0.3); }
#form-message.error   { background: rgba(233,69,96,0.15);  color: var(--clr-red); border: 1px solid rgba(233,69,96,0.3); }


/* ============================================================
   FOOTER
============================================================ */
footer {
    background: var(--clr-bg);
    color: var(--clr-white);
    padding: 80px 0 0;
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.8fr 1fr 1fr 1.4fr;
    gap: 48px;
    padding-bottom: 60px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-logo-img {
    width: 120px;
    object-fit: contain;
    margin-bottom: 16px;
    filter: brightness(0) invert(1);
    opacity: 0.8;
}
.footer-tagline {
    font-family: var(--ff-heading);
    font-size: 0.95rem;
    color: var(--clr-red);
    letter-spacing: 2px;
}

.footer-links h4,
.footer-services h4,
.footer-contact h4 {
    font-family: var(--ff-heading);
    font-size: 0.9rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--clr-gold);
    margin-bottom: 20px;
}
.footer-links ul li,
.footer-services ul li {
    margin-bottom: 10px;
    font-size: 0.9rem;
    color: rgba(255,255,255,0.6);
    transition: color var(--transition);
}
.footer-links ul li a:hover { color: var(--clr-red); }
.footer-contact p {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.88rem;
    color: rgba(255,255,255,0.6);
    margin-bottom: 10px;
}
.footer-contact p i { color: var(--clr-red); width: 16px; }

.footer-social {
    display: flex;
    gap: 10px;
    margin-top: 20px;
}
.footer-social a {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 1px solid rgba(255,255,255,0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255,255,255,0.6);
    font-size: 0.85rem;
    transition: var(--transition);
}
.footer-social a:hover {
    background: var(--clr-red);
    border-color: var(--clr-red);
    color: var(--clr-white);
}

.footer-bottom {
    padding: 24px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    color: rgba(255,255,255,0.4);
}
.footer-credit { color: var(--clr-gold); }
.footer-credit:hover { text-decoration: underline; }


/* ============================================================
   BACK TO TOP
============================================================ */
.back-to-top {
    position: fixed;
    bottom: 32px;
    right: 32px;
    width: 46px;
    height: 46px;
    border-radius: 50%;
    background: var(--clr-red);
    color: var(--clr-white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    box-shadow: 0 4px 16px rgba(233,69,96,0.5);
    opacity: 0;
    pointer-events: none;
    transform: translateY(12px);
    transition: opacity var(--transition), transform var(--transition);
    z-index: 999;
}
.back-to-top.visible {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
}
.back-to-top:hover { background: var(--clr-red-dark); }


/* ============================================================
   RESPONSIVE
============================================================ */
@media (max-width: 1024px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
    .contact-grid {
        grid-template-columns: 1fr;
    }
    .gallery-grid {
        columns: 3 200px;
    }
}

@media (max-width: 768px) {
    section { padding: 72px 0; }

    /* Nav mobile */
    .nav-toggle { display: flex; }
    .nav-menu {
        position: fixed;
        top: var(--nav-h);
        left: 0; right: 0;
        background: var(--clr-navy);
        flex-direction: column;
        align-items: stretch;
        padding: 20px 24px;
        gap: 4px;
        transform: translateY(-110%);
        transition: transform var(--transition);
        box-shadow: 0 8px 24px rgba(0,0,0,0.4);
    }
    .nav-menu.open { transform: translateY(0); }
    .nav-link { padding: 12px 16px; }
    .nav-cta { text-align: center; }

    .header-actions { flex-direction: column; align-items: center; }
    .btn { width: 100%; justify-content: center; }

    .leader-card {
        flex-direction: column;
        align-items: center;
        text-align: center;
        padding: 32px 24px;
    }
    .leader-badges { justify-content: center; }

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

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    .footer-bottom {
        flex-direction: column;
        gap: 8px;
        text-align: center;
    }

    .lb-prev { left: 8px; }
    .lb-next { right: 8px; }
}

@media (max-width: 480px) {
    .gallery-grid { columns: 2 160px; }
    .stats-bar .container { gap: 24px; }
    .stat-number { font-size: 2.2rem; }
}