/* =============================================
   FIRST QUANTUM SERVICES INC.
   Corporate Website — Stylesheet
   ============================================= */

/* ─── 1. RESET & BASE ─────────────────────── */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
    background-color: var(--bg-main);
    color: var(--text-dark);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-align: justify;
}

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

a { text-decoration: none; color: inherit; }
ul { list-style: none; }
address { font-style: normal; }

h1, h2, h3, h4, h5, h6 { text-align: left; }


/* ─── 2. DESIGN TOKENS ────────────────────── */
:root {
    --bg-main:        #F4F6F8;
    --brand-navy:     #0B1F3A;
    --brand-navy-dk:  #060F1E;
    --accent-red:     #A6192E;
    --accent-red-dk:  #8A1025;
    --text-dark:      #2B2B2B;
    --text-sub:       #8A8F98;
    --border:         #D8DCE2;
    --white:          #ffffff;
    --header-h:       78px;
    --transition:     0.3s ease;
    --radius:         4px;
    --shadow-sm:      0 2px 12px rgba(11, 31, 58, 0.08);
    --shadow-md:      0 4px 24px rgba(11, 31, 58, 0.12);
    --shadow-hover:   0 8px 36px rgba(11, 31, 58, 0.18);
}


/* ─── 3. UTILITIES ────────────────────────── */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 28px;
}

.section-label {
    display: block;
    font-size: 15px;
    font-weight: 700;
    letter-spacing: 0.20em;
    text-transform: uppercase;
    color: var(--accent-red);
    margin-bottom: 14px;
}

.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-header h2 {
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    font-weight: 700;
    color: var(--brand-navy);
    line-height: 1.15;
    margin-bottom: 22px;
    text-align: center;
}

.section-rule {
    width: 44px;
    height: 3px;
    background: var(--accent-red);
    margin: 0 auto;
}

/* Scroll anchor offset for sticky header */
#who-we-are,
#capabilities,
#certifications,
#contact {
    scroll-margin-top: var(--header-h);
}


/* ─── 4. BUTTONS ──────────────────────────── */
.btn-primary {
    display: inline-block;
    background: var(--accent-red);
    color: var(--white);
    font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    padding: 14px 38px;
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    transition:
        background var(--transition),
        transform var(--transition),
        box-shadow var(--transition);
}

.btn-primary:hover {
    background: var(--accent-red-dk);
    transform: translateY(-1px);
    box-shadow: 0 4px 18px rgba(166, 25, 46, 0.38);
}

.btn-primary:focus-visible {
    outline: 2px solid var(--accent-red);
    outline-offset: 3px;
}

.btn-primary:active {
    transform: translateY(0);
}


/* ─── 5. SCROLL REVEAL ────────────────────── */
.reveal {
    opacity: 0;
    transform: translateY(20px);
    transition:
        opacity 0.7s ease,
        transform 0.7s ease;
}

.reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}


/* ─── 6. HEADER ───────────────────────────── */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(11, 31, 58, 0.82);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    height: var(--header-h);
    transition: box-shadow var(--transition);
}

.site-header.scrolled {
    box-shadow: 0 2px 28px rgba(0, 0, 0, 0.40);
}

.header-inner {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    height: var(--header-h);
}

.header-right {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 12px;
}

.logo-link {
    flex-shrink: 0;
    line-height: 0;
    display: block;
}

.logo-header {
    height: 46px;
    width: auto;
}

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

.nav-list {
    display: flex;
    gap: 36px;
    align-items: center;
}

.nav-link {
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.11em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.78);
    padding: 6px 0;
    border-bottom: 2px solid transparent;
    transition:
        color var(--transition),
        border-color var(--transition);
}

.nav-link:hover,
.nav-link:focus-visible {
    color: var(--white);
    border-bottom-color: var(--accent-red);
    outline: none;
}

/* Language switcher */
.lang-switcher {
    display: flex;
    align-items: center;
    gap: 3px;
    flex-shrink: 0;
}

.lang-btn {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.22);
    color: rgba(255, 255, 255, 0.55);
    font-family: inherit;
    font-size: 11.5px;
    font-weight: 700;
    letter-spacing: 0.12em;
    padding: 5px 8px;
    border-radius: 3px;
    cursor: pointer;
    transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease, transform 0.15s ease;
    line-height: 1;
}

.lang-btn:hover {
    border-color: rgba(255, 255, 255, 0.55);
    color: rgba(255, 255, 255, 0.90);
    transform: translateY(-1px);
}

.lang-btn.active {
    background: rgba(255, 255, 255, 0.14);
    border-color: rgba(255, 255, 255, 0.50);
    color: #ffffff;
}

/* Hamburger */
.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 24px;
    height: 18px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    flex-shrink: 0;
}

.hamburger-line {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--white);
    border-radius: 2px;
    transition:
        transform 0.28s ease,
        opacity 0.28s ease;
}

.nav-toggle[aria-expanded="true"] .hamburger-line:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .hamburger-line:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

.nav-toggle[aria-expanded="true"] .hamburger-line:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}


/* ─── 7. HERO ─────────────────────────────── */
.hero {
    position: relative;
    height: 100vh;
    min-height: 620px;
    overflow: hidden;
    background: var(--brand-navy-dk);
    display: flex;
    align-items: center;
}

.hero-slides {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-slide {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    opacity: 0;
    transition: opacity 1.8s ease-in-out;
}

.hero-slide.active {
    opacity: 1;
}

.hero::after {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(4, 10, 22, 0.55);
    z-index: 1;
}

.hero-canvas {
    display: none;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 680px;
    width: 100%;
    margin: 0 auto;
    padding-top: var(--header-h);
    text-align: center;
}

.hero-eyebrow {
    font-size: 11px;
    font-weight: 900;
    letter-spacing: 0.24em;
    text-transform: uppercase;
    color: var(--white);
    margin-bottom: 22px;
    opacity: 0;
    transform: translateY(18px);
    animation: heroFadeUp 0.85s ease 0.5s forwards;
}

.hero-title {
    font-size: clamp(2rem, 3.6vw, 3.4rem);
    font-weight: 800;
    line-height: 1.02;
    color: var(--white);
    letter-spacing: -0.015em;
    margin-bottom: 26px;
    opacity: 0;
    transform: translateY(18px);
    animation: heroFadeUp 0.85s ease 0.75s forwards;
    text-align: center;
}

.hero-sub {
    font-size: 0.875rem;
    line-height: 1.75;
    color: rgba(255, 255, 255, 0.78);
    max-width: 640px;
    margin: 0 auto 40px;
    opacity: 0;
    transform: translateY(18px);
    animation: heroFadeUp 0.85s ease 1.0s forwards;
}

.hero-content .btn-primary {
    background: rgba(166, 25, 46, 0.72);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.18);
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.18);
}

.hero-content .btn-primary:hover {
    background: rgba(166, 25, 46, 0.92);
    border-color: rgba(255, 255, 255, 0.28);
}

.hero-content .btn-primary {
    opacity: 0;
    transform: translateY(18px);
    animation: heroFadeUp 0.85s ease 1.25s forwards;
}

@keyframes heroFadeUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-dots {
    position: absolute;
    bottom: 28px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
    display: flex;
    gap: 10px;
    align-items: center;
}

.hero-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.35);
    border: 1px solid rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: background 0.3s ease, transform 0.3s ease;
    padding: 0;
}

.hero-dot.active {
    background: #ffffff;
    transform: scale(1.3);
}

.hero-dot:hover {
    background: rgba(255, 255, 255, 0.75);
}


/* ─── 8. WHO WE ARE ───────────────────────── */
.section-who {
    padding: 72px 0 0;
    background: var(--bg-main);
}

.who-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 88px;
    align-items: center;
}

.who-content h2 {
    font-size: clamp(1.7rem, 2.8vw, 2.35rem);
    font-weight: 700;
    color: var(--brand-navy);
    line-height: 1.18;
    margin-bottom: 26px;
}

.who-content p {
    font-size: 0.975rem;
    color: #484848;
    line-height: 1.78;
    margin-bottom: 18px;
}

.who-content p:last-child {
    margin-bottom: 0;
}

.who-visual {
    display: flex;
    align-items: center;
    justify-content: center;
}

.who-logo {
    max-width: 420px;
    width: 100%;
    opacity: 0.35;
}


/* ─── 9. CAPABILITIES ─────────────────────── */
.section-capabilities {
    padding-top: 108px;
    padding-bottom: 0;
    background: var(--white);
}

/* ── Panel strip ── */
.cap-panels {
    display: flex;
    height: 580px;
    overflow: hidden;
}

.cap-panel {
    position: relative;
    flex: 1;
    overflow: hidden;
    cursor: pointer;
    outline: none;
    transition: flex 0.55s cubic-bezier(0.4, 0, 0.2, 1);
}

.cap-panel + .cap-panel {
    border-left: 1px solid rgba(255, 255, 255, 0.14);
}

.cap-panel:hover,
.cap-panel.active {
    flex: 2.2;
}

.cap-panel-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-repeat: no-repeat;
    transition: transform 0.65s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.cap-panel:hover .cap-panel-bg,
.cap-panel.active .cap-panel-bg {
    transform: scale(1.06);
}

.cap-panel-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to top,
        rgba(6, 15, 30, 0.92) 0%,
        rgba(6, 15, 30, 0.48) 40%,
        rgba(6, 15, 30, 0.22) 100%
    );
    transition: background 0.4s ease;
}

.cap-panel:hover .cap-panel-overlay,
.cap-panel.active .cap-panel-overlay {
    background: linear-gradient(
        to top,
        rgba(6, 15, 30, 0.82) 0%,
        rgba(6, 15, 30, 0.28) 55%,
        rgba(6, 15, 30, 0.08) 100%
    );
}

.cap-panel-ui {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 34px 30px 36px;
    pointer-events: none;
}

.cap-num {
    display: block;
    font-size: 3.8rem;
    font-weight: 800;
    color: rgba(255, 255, 255, 0.10);
    line-height: 1;
    letter-spacing: -0.03em;
    transition: color 0.35s ease;
}

.cap-panel:hover .cap-num,
.cap-panel.active .cap-num {
    color: rgba(255, 255, 255, 0.26);
}

.cap-label-block {
    display: flex;
    flex-direction: column;
    gap: 9px;
}

.cap-rule {
    width: 24px;
    height: 2px;
    background: var(--accent-red);
    transition: width 0.38s ease;
}

.cap-panel:hover .cap-rule,
.cap-panel.active .cap-rule {
    width: 42px;
}

.cap-name {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--white);
    text-transform: uppercase;
    letter-spacing: 0.14em;
    margin: 0;
    white-space: nowrap;
}

.cap-hint {
    display: block;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.20em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.55);
    opacity: 0;
    transform: translateY(4px);
    transition: opacity 0.32s ease, transform 0.32s ease;
}

.cap-panel:hover .cap-hint {
    opacity: 1;
    transform: translateY(0);
}

.cap-panel.active .cap-hint {
    opacity: 0;
}

/* ── Drawer ── */
.cap-drawer {
    background: var(--brand-navy);
    overflow: hidden;
    max-height: 0;
    transition: max-height 0.55s cubic-bezier(0.4, 0, 0.2, 1);
}

.cap-drawer.open {
    max-height: 700px;
}

.cap-drawer-inner {
    position: relative;
    max-width: 1200px;
    margin: 0 auto;
    padding: 52px 28px 56px;
}

.cap-drawer-close {
    position: absolute;
    top: 20px;
    right: 28px;
    background: none;
    border: none;
    color: rgba(255, 255, 255, 0.35);
    font-size: 1.4rem;
    line-height: 1;
    cursor: pointer;
    padding: 6px 8px;
    transition: color 0.2s ease;
}

.cap-drawer-close:hover {
    color: var(--white);
}

.cap-drawer-eyebrow {
    display: block;
    font-size: 11.5px;
    font-weight: 700;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--accent-red);
    margin-bottom: 14px;
}

.cap-drawer-title {
    font-size: clamp(1.4rem, 2.5vw, 2rem);
    font-weight: 700;
    color: var(--white);
    margin-bottom: 14px;
    letter-spacing: 0.02em;
}

.cap-drawer-rule {
    width: 44px;
    height: 3px;
    background: var(--accent-red);
    margin-bottom: 28px;
}

.cap-drawer-desc p {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.75);
    line-height: 1.85;
    margin-bottom: 16px;
    text-align: justify;
}

.cap-drawer-desc p:last-child {
    margin-bottom: 0;
}



/* ─── 10. CERTIFICATIONS ──────────────────── */
.section-certifications {
    padding: 108px 0;
    background: var(--brand-navy);
}

.section-certifications .section-label {
    color: rgba(255, 255, 255, 0.55);
}

.section-certifications h2 {
    color: var(--white);
}

.section-certifications .section-rule {
    background: var(--accent-red);
}

.mission-vision-band {
    background: var(--brand-navy);
    margin-top: 64px;
    padding: 56px 0;
}

.mission-vision {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px 88px;
}

.mission-block h3,
.vision-block h3 {
    font-size: 15px;
    font-weight: 900;
    letter-spacing: 0.20em;
    text-transform: uppercase;
    color: var(--white);
    margin-bottom: 14px;
    text-align: center;
}

.mission-block p,
.vision-block p {
    color: rgba(255, 255, 255, 0.78);
    font-size: 0.975rem;
    line-height: 1.78;
    margin-bottom: 18px;
}

.mission-block p:last-child,
.vision-block p:last-child {
    margin-bottom: 0;
}

@media (max-width: 768px) {
    .mission-vision {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

.cert-logos {
    display: flex;
    justify-content: center;
    align-items: stretch;
    gap: 32px;
    flex-wrap: wrap;
}

.cert-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 16px;
    background: rgba(255, 255, 255, 0.95);
    border-radius: var(--radius);
    padding: 32px 52px;
    min-width: 240px;
    transition: box-shadow var(--transition);
}

.cert-item:hover {
    box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.5);
}

/* NATO: 1280×641 — 2:1 landscape frame */
.cert-item--nato {
    aspect-ratio: 2 / 1;
    min-width: 300px;
    padding: 28px 44px;
}

.cert-item--nato .cert-logo {
    height: 90px;
    max-width: 260px;
}

.cert-logo {
    height: 56px;
    width: auto;
    max-width: 180px;
    object-fit: contain;
}

.cert-name {
    font-size: 15px;
    font-weight: 700;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--text-sub);
}


/* ─── 11. TRUST BAR ───────────────────────── */
.trust-bar {
    background: var(--white);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    padding: 52px 0;
}

.trust-label {
    text-align: center;
    font-size: 15px;
    font-weight: 700;
    letter-spacing: 0.20em;
    text-transform: uppercase;
    color: var(--accent-red);
    margin-bottom: 36px;
}

.trust-logos {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
}

.trust-item {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 14px 24px;
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    min-height: 92px;
    transition:
        border-color var(--transition),
        box-shadow var(--transition);
}

.trust-item:hover {
    border-color: var(--brand-navy);
    box-shadow: var(--shadow-sm);
}

.trust-logo {
    height: 40px;
    width: auto;
    object-fit: contain;
    max-width: 130px;
}

/* KNDS, Liebherr, Tatra — uniform cropped size */
.trust-logo--linked {
    height: 40px;
    width: 120px;
    object-fit: contain;
    object-position: center;
    display: block;
}

.trust-logo--wide {
    height: 38px;
    width: auto;
    max-width: none;
}

.trust-logo--emblem {
    height: 72px;
    width: 72px;
    object-fit: contain;
}

/* Per-logo crop containers */
.logo-crop {
    overflow: hidden;
    display: block;
    line-height: 0;
}

/* Liebherr: 3840×2160, text fills ~45% of height (28% top / 27% bottom whitespace) */
.logo-crop--liebherr {
    width: 200px;
    height: 44px;
}
.logo-crop--liebherr img {
    height: 98px;   /* 44 / 0.45 */
    width: 174px;   /* 98 × (3840/2160) — explicit for centering */
    max-width: none;
    margin: -27px auto 0;
    display: block;
}

/* Tatra: 225×225 square — ~20% whitespace each side, content ~60% of canvas */
.logo-crop--tatra {
    width: 90px;
    height: 80px;
}
.logo-crop--tatra img {
    height: 134px;  /* 80 / 0.60 */
    width: 134px;
    max-width: none;
    display: block;
    margin-top: -27px;  /* -(0.20 × 134) */
    margin-left: -22px; /* center: -(134-90)/2 */
}

/* Link wrapper in trust bar */
.trust-item a {
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity var(--transition);
}

.trust-item a:hover {
    opacity: 0.75;
}


/* ─── 12. CONTACT ─────────────────────────── */
.section-contact {
    padding: 108px 0;
    background: var(--bg-main);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.65fr;
    gap: 80px;
    align-items: start;
}

.contact-info .section-label {
    text-align: left;
}

.contact-info h2 {
    font-size: clamp(1.7rem, 2.8vw, 2.35rem);
    font-weight: 700;
    color: var(--brand-navy);
    line-height: 1.18;
    margin-bottom: 20px;
    text-align: left;
}

.contact-info p {
    font-size: 0.975rem;
    color: #555;
    line-height: 1.75;
    margin-bottom: 28px;
}

.contact-info address {
    border-left: 3px solid var(--accent-red);
    padding-left: 18px;
}

.contact-info address p {
    font-size: 0.9rem;
    color: var(--text-dark);
    margin-bottom: 5px;
    line-height: 1.6;
}

.contact-form {
    background: var(--white);
    padding: 44px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-md);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group {
    margin-bottom: 22px;
}

.form-group label {
    display: block;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.10em;
    text-transform: uppercase;
    color: var(--brand-navy);
    margin-bottom: 8px;
}

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

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
    font-size: 0.9rem;
    color: var(--text-dark);
    background: var(--bg-main);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 11px 14px;
    transition:
        border-color var(--transition),
        box-shadow var(--transition);
    -webkit-appearance: none;
    appearance: none;
}

.form-group select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%238A8F98' stroke-width='1.5' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    padding-right: 38px;
    cursor: pointer;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--brand-navy);
    box-shadow: 0 0 0 3px rgba(11, 31, 58, 0.10);
    background: var(--white);
}

.form-group input.field-error,
.form-group select.field-error,
.form-group textarea.field-error {
    border-color: var(--accent-red);
    box-shadow: 0 0 0 3px rgba(166, 25, 46, 0.10);
}

.form-group textarea {
    resize: vertical;
    min-height: 126px;
    line-height: 1.6;
}

.contact-form .btn-primary {
    width: 100%;
    padding: 15px;
    font-size: 12px;
    letter-spacing: 0.16em;
}

.form-success {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-top: 18px;
    padding: 16px 20px;
    background: rgba(11, 31, 58, 0.05);
    border-radius: var(--radius);
    border-left: 3px solid var(--brand-navy);
    color: var(--brand-navy);
}

.form-success[hidden] {
    display: none;
}

.form-success svg {
    flex-shrink: 0;
    margin-top: 1px;
}

.form-success p {
    font-size: 0.88rem;
    line-height: 1.55;
    font-weight: 500;
}


/* ─── 13. FOOTER ──────────────────────────── */
.site-footer {
    background: var(--brand-navy);
    padding: 20px 0 0;
    color: rgba(255, 255, 255, 0.70);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 24px;
    padding-bottom: 32px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.09);
    align-items: start;
}

.logo-footer {
    max-width: 180px;
    width: 100%;
    height: auto;
    display: block;
}

.footer-nav h4,
.footer-contact-col h4 {
    font-size: 15px;
    font-weight: 700;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.38);
    margin-bottom: 22px;
}

.footer-nav ul {
    display: flex;
    flex-direction: column;
    gap: 11px;
}

.footer-nav a {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.65);
    transition: color var(--transition);
}

.footer-nav a:hover,
.footer-nav a:focus-visible {
    color: var(--white);
    outline: none;
}

.footer-contact-col address p {
    font-size: 0.9rem;
    margin-bottom: 6px;
    color: rgba(255, 255, 255, 0.65);
    line-height: 1.6;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 0;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.30);
}


/* ─── 14. REDUCED MOTION ──────────────────── */
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }

    .hero-canvas {
        display: none;
    }

    .hero {
        background: #0B1F3A;
    }

    .hero-eyebrow,
    .hero-title,
    .hero-sub,
    .hero-content .btn-primary {
        opacity: 1;
        transform: none;
        animation: none;
    }

    .reveal {
        opacity: 1;
        transform: none;
        transition: none;
    }

    .capability-card {
        transition: none;
    }

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


/* ─── 15. RESPONSIVE — TABLET ─────────────── */
@media (max-width: 1024px) {
    .who-grid {
        grid-template-columns: 1fr;
        gap: 0;
    }

    .who-visual {
        display: none;
    }

    .cap-panels {
        height: 460px;
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 52px;
    }

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

    .footer-brand {
        grid-column: 1 / -1;
    }

    /* Nav → hamburger dropdown */
    .nav-list {
        display: none;
        position: fixed;
        top: var(--header-h);
        left: 0;
        right: 0;
        background: var(--brand-navy);
        flex-direction: column;
        gap: 0;
        padding: 12px 0 20px;
        border-top: 1px solid rgba(255, 255, 255, 0.09);
        box-shadow: 0 8px 28px rgba(0, 0, 0, 0.32);
        z-index: 999;
    }

    .nav-list.open {
        display: flex;
    }

    .nav-link {
        display: block;
        padding: 14px 24px;
        font-size: 13px;
        border-bottom: none;
        border-left: 3px solid transparent;
    }

    .nav-link:hover {
        border-left-color: var(--accent-red);
        border-bottom-color: transparent;
    }

    .nav-toggle {
        display: flex;
    }
}


/* ─── 16. RESPONSIVE — MOBILE ─────────────── */
@media (max-width: 768px) {
    :root {
        --header-h: 60px;
    }

    /* Hero */
    .hero {
        min-height: 100svh;
    }

    .hero-overlay {
        background: rgba(11, 31, 58, 0.78);
    }

    .hero-content {
        max-width: 100%;
    }

    /* Capabilities */
    .cap-panels {
        flex-direction: column;
        height: auto;
    }

    .cap-panel {
        height: 200px;
        flex: none !important;
        transition: height 0.52s cubic-bezier(0.4, 0, 0.2, 1);
    }

    .cap-panel.active {
        height: 280px;
    }

    .cap-panel + .cap-panel {
        border-left: none;
        border-top: 1px solid rgba(255, 255, 255, 0.14);
    }

    /* Mobile-only accent sweep */
    .cap-panel::before {
        content: '';
        position: absolute;
        left: 0;
        top: 0;
        bottom: 0;
        width: 4px;
        background: var(--accent-red);
        transform: scaleY(0);
        transform-origin: bottom center;
        transition: transform 0.48s cubic-bezier(0.4, 0, 0.2, 1);
        z-index: 3;
    }

    .cap-panel.active::before {
        transform: scaleY(1);
    }

    .cap-drawer-inner {
        grid-template-columns: 1fr;
        padding: 36px 24px;
        gap: 28px;
    }

    .cap-drawer-right {
        border-left: none;
        padding-left: 0;
        border-top: 1px solid rgba(255, 255, 255, 0.09);
        padding-top: 28px;
    }

    .cap-drawer.open {
        max-height: 600px;
    }

    /* Contact form */
    .form-row {
        grid-template-columns: 1fr;
        gap: 0;
    }

    .contact-form {
        padding: 28px 24px;
    }

    /* Footer */
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 36px;
    }

    .footer-brand {
        grid-column: auto;
    }

    .logo-footer {
        max-width: 200px;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 8px;
        text-align: center;
    }

    /* Trust / Certs */
    .trust-logos {
        gap: 16px;
    }

    .cert-logos {
        gap: 20px;
    }

    .cert-item {
        min-width: 180px;
        padding: 24px 32px;
    }
}


/* ─── 17. RESPONSIVE — SMALL MOBILE ───────── */
@media (max-width: 480px) {
    .container {
        padding: 0 18px;
    }

    .hero-title {
        font-size: 1.9rem;
    }

    .section-who,
    .section-capabilities,
    .section-contact {
        padding: 72px 0;
    }

    .section-certifications {
        padding: 64px 0;
    }

    .section-header {
        margin-bottom: 44px;
    }

    .logo-header {
        height: 36px;
    }
}


/* ─── INTRO OVERLAY ───────────────────────── */
#intro-overlay {
    position: fixed;
    inset: 0;
    z-index: 9999;
    overflow: hidden;
}

.intro-door {
    position: absolute;
    top: 0;
    bottom: 0;
    width: 50%;
    background: rgba(11, 31, 58, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    overflow: hidden;
}

.intro-door--left  { left: 0; }
.intro-door--right { left: 50%; }

.intro-shield {
    position: absolute;
    top: 50%;
    /* Scale down on smaller viewports so it never exceeds screen width */
    width: min(500px, 82vw);
    animation: logoZoom 2.2s cubic-bezier(0.2, 0.6, 0.35, 1) 0.2s both;
}

/* Half of min(500px, 82vw) = min(250px, 41vw). The extra 2px is the left-centering nudge. */
.intro-door--left  .intro-shield { left: calc(50vw - min(250px, 41vw) - 2px); }
.intro-door--right .intro-shield { left: calc(max(-250px, -41vw) - 2px); }

@keyframes logoZoom {
    0%   { opacity: 0; filter: blur(0px); transform: translateY(-50%) scale(1); }
    10%  { opacity: 1; filter: blur(0px); transform: translateY(-50%) scale(1); }
    72%  { opacity: 1; filter: blur(0px); transform: translateY(-50%) scale(1); }
    100% { opacity: 0; filter: blur(22px); transform: translateY(-50%) scale(1); }
}

.intro-text-wrap {
    position: absolute;
    top: 50%;
    left: calc(50% - 2px);
    /* Scale gap with shield size: ~40% of shield width */
    padding-top: min(178px, 37vw);
    text-align: center;
    white-space: nowrap;
    transform-origin: 50% 0%;
    pointer-events: none;
    z-index: 1;
    animation: textWrapZoom 2.2s cubic-bezier(0.2, 0.6, 0.35, 1) 0.2s both;
}

@keyframes textWrapZoom {
    0%, 72% { opacity: 1; filter: blur(0px); transform: translateX(-50%) scale(1); }
    100%    { opacity: 0; filter: blur(22px); transform: translateX(-50%) scale(1); }
}

.intro-name,
.intro-tagline {
    font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
    color: #ffffff;
    opacity: 0;
}

.intro-name {
    font-size: clamp(20px, 4.5vw, 36px);
    font-weight: 700;
    letter-spacing: 0.08em;
    margin-bottom: 1px;
    animation: introTextIn 0.7s ease 0.7s forwards;
}

.intro-tagline {
    font-size: clamp(13px, 2.2vw, 20px);
    font-weight: 300;
    letter-spacing: 0.22em;
    font-style: italic;
    color: #b0b8c4;
    animation: introTextIn 0.7s ease 1.1s forwards;
}

@keyframes introTextIn {
    from { opacity: 0; transform: translateY(6px); }
    to   { opacity: 1; transform: translateY(0); }
}

#intro-overlay.split .intro-door--left {
    animation: doorLeft  0.85s cubic-bezier(0.55, 0, 1, 0.45) forwards;
}
#intro-overlay.split .intro-door--right {
    animation: doorRight 0.85s cubic-bezier(0.55, 0, 1, 0.45) forwards;
}

@keyframes doorLeft  { to { transform: translateX(-100%); } }
@keyframes doorRight { to { transform: translateX(100%);  } }

#intro-overlay.reduced {
    animation: overlayFadeOut 0.6s ease 1.2s forwards;
}

@keyframes overlayFadeOut {
    to { opacity: 0; pointer-events: none; }
}

#intro-overlay.reduced .intro-door {
    background: var(--brand-navy);
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
}

#intro-overlay.reduced .intro-door--left,
#intro-overlay.reduced .intro-door--right {
    width: 100%;
    left: 0;
}

#intro-overlay.reduced .intro-door--right {
    display: none;
}

/* ─── CAPTCHA CHALLENGE ───────────────────── */
.captcha-challenge {
    margin-top: 16px;
    padding: 18px 20px;
    background: rgba(11, 31, 58, 0.04);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    border-left: 3px solid var(--brand-navy);
    animation: fadeSlideUp 0.22s ease forwards;
}

@keyframes fadeSlideUp {
    from { opacity: 0; transform: translateY(6px); }
    to   { opacity: 1; transform: translateY(0); }
}

.captcha-challenge[hidden] { display: none; }

.captcha-prompt {
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.10em;
    text-transform: uppercase;
    color: var(--brand-navy);
    margin-bottom: 12px;
}

.captcha-row {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.captcha-question {
    font-size: 1rem;
    font-weight: 700;
    color: var(--brand-navy);
    white-space: nowrap;
    background: rgba(11, 31, 58, 0.08);
    padding: 10px 16px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    flex-shrink: 0;
    letter-spacing: 0.06em;
}

.captcha-row input {
    max-width: 90px;
    flex-shrink: 0;
}

.captcha-confirm-btn {
    padding: 11px 22px !important;
    font-size: 12px !important;
    white-space: nowrap;
    flex-shrink: 0;
}

.captcha-error {
    margin-top: 10px;
    font-size: 0.875rem;
    color: var(--accent-red);
    font-weight: 500;
}

.captcha-error[hidden] { display: none; }