/* ==========================================
   INTEGRA HOLDING LTD - BRAND IDENTITY STANDARDS v1.0
   "Integrating Vision. Empowering Leadership."
   ========================================== */

:root {
    /* Brand Color Palette (No gradients, tints, or transparencies on brand colors) */
    --brand-navy-dark: #061a35;
    --brand-navy: #0A2E5C;
    --brand-navy-light: #123e78;
    --brand-silver: #C0C0C0;
    --brand-silver-light: #F1F5F9;
    --brand-silver-border: rgba(192, 192, 192, 0.4);
    --brand-graphite: #4B4B4B;
    --brand-white: #FFFFFF;

    /* Subsidiary Accent Colors */
    --accent-nexus: #00A896;       /* Teal — Integra Nexus */
    --accent-vanguard: #2E7D32;    /* Forest Green — Integra Vanguard */
    --accent-axiom: #4A148C;       /* Deep Purple — Integra Axiom */

    /* Neutral helpers (non-brand) */
    --card-border: rgba(192, 192, 192, 0.3);

    /* Shadows */
    --shadow-sm: 0 4px 6px -1px rgba(10, 46, 92, 0.05);
    --shadow-md: 0 10px 20px -3px rgba(10, 46, 92, 0.12);
    --shadow-lg: 0 20px 30px -5px rgba(6, 26, 53, 0.25);
    --shadow-silver: 0 8px 25px rgba(192, 192, 192, 0.25);

    /* Radii */
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;

    /* Brand Typography (Trajan Pro preferred, Cinzel web fallback) */
    --font-serif: 'Trajan Pro', 'Cinzel', 'Times New Roman', serif;
    --font-heading: 'Montserrat', 'Calibri', 'Open Sans', sans-serif;
    --font-body: 'Lato', 'Calibri', sans-serif;

    --transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
    width: 100%;
}

body {
    font-family: var(--font-body);
    background-color: var(--brand-white);
    color: var(--brand-graphite);
    line-height: 1.5;
    overflow-x: hidden;
    width: 100%;
    position: relative;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul { list-style: none; }
img { max-width: 100%; height: auto; display: block; }

.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* ── Typography ── */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--brand-navy);
    font-weight: 700;
    line-height: 1.2;
}

h1, h2 {
    font-family: var(--font-serif);
    letter-spacing: 1px;
}

.brand-integra {
    font-family: var(--font-serif);
    font-weight: 700;
    letter-spacing: 0.5px;
    text-transform: capitalize;
}

.brand-holding {
    font-family: var(--font-heading);
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
}

/* ── Badges ── */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.45rem 1.2rem;
    border-radius: 50px;
    font-family: var(--font-heading);
    font-size: 0.825rem;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    background: rgba(10, 46, 92, 0.08);
    color: var(--brand-navy);
    border: 1px solid var(--brand-silver-border);
}

.badge-silver {
    background: rgba(192, 192, 192, 0.2);
    color: var(--brand-white);
    border: 1px solid rgba(255, 255, 255, 0.4);
}

.badge-nexus { border-color: var(--accent-nexus); color: var(--accent-nexus); background: rgba(0, 168, 150, 0.08); }
.badge-vanguard { border-color: var(--accent-vanguard); color: var(--accent-vanguard); background: rgba(46, 125, 50, 0.08); }
.badge-axiom { border-color: var(--accent-axiom); color: var(--accent-axiom); background: rgba(74, 20, 140, 0.08); }

/* ── Section Headers ── */
.section-header {
    text-align: center;
    max-width: 780px;
    margin: 0 auto 3.5rem auto;
}

.section-header h2 {
    font-size: 2.4rem;
    margin: 0.8rem 0 1rem 0;
    letter-spacing: 0.5px;
}

.section-header p {
    color: var(--brand-graphite);
    font-size: 1.1rem;
    font-weight: 400;
}

/* ── Buttons (No gradients — flat brand colors only) ── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 0.95rem 2.2rem;
    border-radius: var(--radius-sm);
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.95rem;
    cursor: pointer;
    border: none;
    transition: var(--transition);
}

.btn-navy {
    background: var(--brand-navy);
    color: var(--brand-white);
    box-shadow: 0 4px 12px rgba(10, 46, 92, 0.25);
}

.btn-navy:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(10, 46, 92, 0.35);
    background: var(--brand-navy-dark);
}

.btn-silver {
    background: var(--brand-white);
    color: var(--brand-navy);
    border: 2px solid var(--brand-silver);
    box-shadow: var(--shadow-sm);
}

.btn-silver:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--brand-navy);
}

.btn-outline-white {
    background: transparent;
    color: var(--brand-white);
    border: 2px solid var(--brand-silver);
}

.btn-outline-white:hover {
    background: var(--brand-white);
    color: var(--brand-navy);
    border-color: var(--brand-white);
}

/* Subsidiary accent buttons */
.btn-nexus { background: var(--accent-nexus); color: var(--brand-white); }
.btn-nexus:hover { background: #008f7f; transform: translateY(-2px); }
.btn-vanguard { background: var(--accent-vanguard); color: var(--brand-white); }
.btn-vanguard:hover { background: #256427; transform: translateY(-2px); }
.btn-axiom { background: var(--accent-axiom); color: var(--brand-white); }
.btn-axiom:hover { background: #38006b; transform: translateY(-2px); }

/* ══════════════════════════════════
   HEADER & NAVIGATION
   Brand Book Spec: Sticky navy bar, 60px tall,
   white reversed logo left, nav in white, CTA silver border + white text
   ══════════════════════════════════ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    transition: var(--transition);
    height: 80px;
    display: flex;
    align-items: center;
    background: var(--brand-white);
    border-bottom: 2px solid var(--brand-silver);
    box-shadow: 0 4px 15px rgba(10, 46, 92, 0.06);
}

.header.scrolled {
    height: 70px;
    box-shadow: 0 4px 20px rgba(10, 46, 92, 0.12);
    background: var(--brand-white);
    border-bottom: 2px solid var(--brand-navy);
}

.nav-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* Logo — image only, no text group */
.brand-logo-container {
    display: flex;
    align-items: center;
    gap: 0;
}

.brand-logo-img {
    height: 94px;
    width: auto;
    object-fit: contain;
    transition: var(--transition);
}

.header.scrolled .brand-logo-img {
    height: 78px;
}

/* Navigation links — white on navy */
.nav-links {
    display: flex;
    align-items: center;
    gap: 2.2rem;
}

.nav-link {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--brand-navy);
    position: relative;
    padding: 0.4rem 0;
    cursor: pointer;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0%;
    height: 3px;
    background: var(--brand-navy);
    transition: var(--transition);
}

.nav-link:hover, .nav-link.active {
    color: var(--brand-navy-dark);
}

.nav-link:hover::after, .nav-link.active::after {
    width: 100%;
}

/* Header CTA button */
.header-cta .btn {
    background: var(--brand-navy);
    color: var(--brand-white);
    border: 1px solid var(--brand-navy);
    padding: 0.6rem 1.5rem;
    font-size: 0.85rem;
}

.header-cta .btn:hover {
    background: var(--brand-navy-dark);
    color: var(--brand-white);
    border-color: var(--brand-navy-dark);
}

/* Mobile nav */
.mobile-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--brand-navy);
    cursor: pointer;
}

.mobile-nav {
    position: fixed;
    top: 70px;
    left: 0;
    width: 100%;
    background: var(--brand-white);
    border-bottom: 2px solid var(--brand-silver);
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
    box-shadow: var(--shadow-lg);
    transform: translateY(-150%);
    transition: var(--transition);
    z-index: 999;
}

.mobile-nav.active {
    transform: translateY(0);
}

.mobile-nav .nav-link {
    font-size: 1rem;
    color: var(--brand-navy);
    padding: 0.6rem 0;
}

/* ── Page Spacing ── */
.page-container {
    padding-top: 70px;
    min-height: 80vh;
}

/* ══════════════════════════════════
   HERO SECTION — Multi-Continent Background Slider
   ══════════════════════════════════ */
.hero {
    position: relative;
    color: var(--brand-white);
    padding: 7rem 0 8rem 0;
    overflow: hidden;
    background-color: var(--brand-navy-dark);
}

.hero-bg-layer {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transition: opacity 1.2s ease-in-out;
    z-index: 1;
}

.hero-bg-layer.active-bg {
    opacity: 1;
}

/* Solid overlay — no gradient per Brand Book */
.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(6, 26, 53, 0.92);
    z-index: 2;
}

.hero-grid {
    position: relative;
    z-index: 3;
    display: grid;
    grid-template-columns: 1.25fr 0.75fr;
    gap: 3.5rem;
    align-items: center;
}

.hero-tagline {
    font-family: var(--font-body);
    font-size: 1.1rem;
    color: var(--brand-silver);
    letter-spacing: 1px;
    margin-bottom: 0.8rem;
    font-style: italic;
}

.hero-content h1 {
    color: var(--brand-white);
    font-family: var(--font-serif);
    font-size: 3.2rem;
    line-height: 1.15;
    margin: 0.8rem 0 1.5rem 0;
    letter-spacing: 0.5px;
}

.hero-content h1 .hero-highlight {
    color: var(--brand-silver);
    border-bottom: 3px solid var(--brand-silver);
    padding-bottom: 2px;
}

.hero-content p {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 2.2rem;
    max-width: 630px;
    font-weight: 400;
}

.hero-actions {
    display: flex;
    gap: 1.2rem;
    flex-wrap: wrap;
}

/* Continent Selector Pills */
.continent-pills {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-top: 1.5rem;
}

.continent-pill {
    padding: 0.35rem 0.8rem;
    border-radius: 50px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.25);
    color: var(--brand-silver);
    font-size: 0.78rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.continent-pill:hover, .continent-pill.active-pill {
    background: var(--brand-white);
    color: var(--brand-navy-dark);
    border-color: var(--brand-white);
}

/* Hero Stats Card */
.hero-card {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(192, 192, 192, 0.25);
    border-radius: var(--radius-md);
    padding: 2.2rem;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
}

.hero-card-header {
    display: flex;
    align-items: center;
    gap: 1.2rem;
    margin-bottom: 1.5rem;
}

.hero-card-icon {
    width: 52px;
    height: 52px;
    background: var(--brand-silver);
    color: var(--brand-navy-dark);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.stat-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-top: 1rem;
}

.stat-item h3 {
    color: var(--brand-white);
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 800;
}

.stat-item p {
    font-size: 0.85rem;
    color: var(--brand-silver);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ── Trust Strip ── */
.trust-strip {
    padding: 3rem 0;
    background: var(--brand-silver-light);
    border-bottom: 1px solid var(--card-border);
}

.trust-title {
    text-align: center;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--brand-graphite);
    font-weight: 700;
    margin-bottom: 1.8rem;
}

.trust-logos {
    display: flex;
    align-items: center;
    justify-content: space-around;
    flex-wrap: wrap;
    gap: 2rem;
}

.trust-logo-item {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.05rem;
    color: var(--brand-navy);
}

.trust-logo-item i {
    font-size: 1.3rem;
}

.trust-logo-icon {
    width: 78px;
    height: 78px;
    object-fit: contain;
}

.subsidiary-logo-icon {
    width: 40px;
    height: 40px;
    object-fit: contain;
    margin-right: 0.5rem;
}

.trust-logo-item .trust-accent-nexus { color: var(--accent-nexus); }
.trust-logo-item .trust-accent-vanguard { color: var(--accent-vanguard); }
.trust-logo-item .trust-accent-axiom { color: var(--accent-axiom); }

/* ══════════════════════════════════
   BRAND VALUES & BENEFITS
   ══════════════════════════════════ */
.benefits-section { padding: 6rem 0; }

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 1.5rem;
}

.benefit-card {
    background: var(--brand-white);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-md);
    padding: 2.2rem 1.5rem;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    text-align: center;
}

/* Solid top bar — no gradient */
.benefit-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--brand-navy);
    opacity: 0;
    transition: var(--transition);
}

.benefit-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-md);
    border-color: var(--brand-navy);
}

.benefit-card:hover::before { opacity: 1; }

.benefit-icon {
    width: 60px;
    height: 60px;
    border-radius: 14px;
    background: rgba(10, 46, 92, 0.08);
    color: var(--brand-navy);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    margin: 0 auto 1.2rem auto;
}

.benefit-card h3 { font-size: 1.2rem; margin-bottom: 0.75rem; font-family: var(--font-heading); }
.benefit-card p { color: var(--brand-graphite); font-size: 0.92rem; }

/* ── Services Section ── */
.services-section {
    padding: 6rem 0;
    background: var(--brand-silver-light);
}

.service-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.service-card {
    background: var(--brand-white);
    border-radius: var(--radius-md);
    padding: 2.2rem;
    border: 1px solid var(--card-border);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.service-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-5px);
}

.service-header-icon {
    width: 50px;
    height: 50px;
    background: var(--brand-navy);
    color: var(--brand-white);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    margin-bottom: 1.2rem;
}

.service-card h3 { font-size: 1.25rem; margin-bottom: 0.75rem; font-family: var(--font-heading); }
.service-card p { color: var(--brand-graphite); font-size: 0.95rem; margin-bottom: 1.5rem; }

.service-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--brand-navy);
    font-weight: 700;
    font-size: 0.9rem;
    cursor: pointer;
}

.service-link:hover { color: var(--brand-navy-light); gap: 0.75rem; }

/* ══════════════════════════════════
   SUBSIDIARY ARCHITECTURE
   ══════════════════════════════════ */
.subsidiary-preview { padding: 6rem 0; }

.subsidiary-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.subsidiary-box {
    border-radius: var(--radius-md);
    overflow: hidden;
    background: var(--brand-white);
    border: 1px solid var(--card-border);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.subsidiary-box:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-md);
}

.subsidiary-img {
    height: 200px;
    position: relative;
    overflow: hidden;
}

.subsidiary-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.subsidiary-box:hover .subsidiary-img img { transform: scale(1.05); }

.subsidiary-badge {
    position: absolute;
    top: 1rem;
    left: 1rem;
    background: rgba(6, 26, 53, 0.9);
    color: var(--brand-white);
    padding: 0.35rem 0.9rem;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.5px;
}

.subsidiary-content {
    padding: 1.8rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.subsidiary-content h3 { font-size: 1.35rem; margin-bottom: 0.3rem; font-family: var(--font-heading); }
.subsidiary-content p { color: var(--brand-graphite); margin-bottom: 1rem; font-size: 0.95rem; }

.subsidiary-tagline {
    font-family: var(--font-body);
    font-style: italic;
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.endorsement-line {
    font-family: var(--font-body);
    font-size: 0.75rem;
    color: var(--brand-graphite);
    margin-top: 0.8rem;
    letter-spacing: 0.3px;
}

/* Subsidiary accent borders */
.subsidiary-box.nexus-accent { border-top: 4px solid var(--accent-nexus); }
.subsidiary-box.vanguard-accent { border-top: 4px solid var(--accent-vanguard); }
.subsidiary-box.axiom-accent { border-top: 4px solid var(--accent-axiom); }

/* ── Testimonials & CTAs ── */
.testimonials-section {
    padding: 6rem 0;
    background: var(--brand-navy-dark);
    color: var(--brand-white);
}

.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.testimonial-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(192, 192, 192, 0.2);
    border-radius: var(--radius-md);
    padding: 2.2rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.quote-icon {
    font-size: 2rem;
    color: var(--brand-silver);
    margin-bottom: 1rem;
    opacity: 0.8;
}

.testimonial-text {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.88);
    font-style: italic;
    margin-bottom: 1.8rem;
}

.author-info {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.author-img {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--brand-silver);
}

.author-details h4 { color: var(--brand-white); font-size: 1rem; margin-bottom: 0.2rem; font-family: var(--font-heading); }
.author-details p { color: var(--brand-silver); font-size: 0.825rem; }

/* CTA Banner — solid navy, no gradient */
.cta-banner {
    padding: 5rem 0;
    background: var(--brand-navy);
    color: var(--brand-white);
    text-align: center;
    border-radius: var(--radius-lg);
    margin: 4rem auto;
    box-shadow: var(--shadow-lg);
}

.cta-banner h2 { color: var(--brand-white); font-size: 2.6rem; margin-bottom: 1rem; }
.cta-banner p { font-size: 1.1rem; color: rgba(255, 255, 255, 0.85); max-width: 680px; margin: 0 auto 2.2rem auto; }

/* ══════════════════════════════════
   SUBPAGE LAYOUTS
   ══════════════════════════════════ */

/* About Hero — solid navy, no gradient */
.about-hero {
    background: var(--brand-navy-dark);
    color: var(--brand-white);
    padding: 5.5rem 0;
}

.about-story-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    padding: 6rem 0;
}

.about-image-stack { position: relative; }
.about-img-main { border-radius: var(--radius-md); box-shadow: var(--shadow-lg); width: 90%; }
.about-img-sub {
    position: absolute;
    bottom: -2rem;
    right: 0;
    width: 55%;
    border-radius: var(--radius-md);
    border: 6px solid var(--brand-white);
    box-shadow: var(--shadow-lg);
}

/* Values Grid — supports 5 items */
.values-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 1.5rem;
    padding: 4rem 0;
}

.value-box {
    background: var(--brand-white);
    padding: 2rem 1.5rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--card-border);
    text-align: center;
    transition: var(--transition);
}

.value-box:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--brand-navy);
}

.value-box i { font-size: 2rem; color: var(--brand-navy); margin-bottom: 1rem; display: block; }
.value-box h3 { font-size: 1.1rem; margin-bottom: 0.5rem; font-family: var(--font-heading); }
.value-box p { font-size: 0.88rem; color: var(--brand-graphite); }



/* Process Steps */
.process-steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    margin-top: 3rem;
}

.step-card {
    background: var(--brand-white);
    padding: 2rem 1.5rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--card-border);
    position: relative;
}

.step-num {
    font-size: 2.5rem;
    font-weight: 800;
    color: rgba(10, 46, 92, 0.15);
    position: absolute;
    top: 1rem;
    right: 1.2rem;
}

/* FAQ Accordion */
.faq-accordion {
    max-width: 800px;
    margin: 3rem auto 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.faq-item {
    background: var(--brand-white);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.faq-question {
    padding: 1.3rem 1.8rem;
    font-weight: 700;
    font-size: 1.05rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    color: var(--brand-navy);
    font-family: var(--font-heading);
}

.faq-answer {
    padding: 0 1.8rem 1.5rem 1.8rem;
    color: var(--brand-graphite);
    font-size: 0.95rem;
    display: none;
}

.faq-item.active .faq-answer { display: block; }
.faq-item.active .faq-question i { transform: rotate(180deg); color: var(--brand-navy-light); }

/* ── Subsidiary Tabs ── */
.tab-nav {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.tab-btn {
    padding: 0.9rem 2rem;
    border-radius: 50px;
    background: var(--brand-white);
    border: 1px solid var(--card-border);
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition);
}

.tab-btn.active-tab {
    background: var(--brand-navy);
    color: var(--brand-white);
    border-color: var(--brand-navy);
    box-shadow: 0 4px 12px rgba(10, 46, 92, 0.25);
}

.tab-content { display: none; }
.tab-content.active-tab-content { display: block; }

.subsidiary-hero-card {
    background: var(--brand-white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--card-border);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    margin-bottom: 4rem;
}

.subsidiary-hero-inner {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
}

.subsidiary-hero-text { padding: 3.5rem; }
.subsidiary-hero-img { background-size: cover; background-position: center; min-height: 400px; }

/* Subsidiary accent top-borders for tab cards */
.subsidiary-hero-card.nexus-card { border-top: 5px solid var(--accent-nexus); }
.subsidiary-hero-card.vanguard-card { border-top: 5px solid var(--accent-vanguard); }
.subsidiary-hero-card.axiom-card { border-top: 5px solid var(--accent-axiom); }

/* ── Contact Form & Info ── */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 3.5rem;
    padding: 4rem 0 6rem 0;
}

.contact-info-card {
    background: var(--brand-navy-dark);
    color: var(--brand-white);
    padding: 3rem;
    border-radius: var(--radius-lg);
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.contact-item { display: flex; gap: 1.2rem; margin-top: 2rem; }

.contact-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: rgba(192, 192, 192, 0.12);
    color: var(--brand-silver);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.form-card {
    background: var(--brand-white);
    padding: 3rem;
    border-radius: var(--radius-lg);
    border: 1px solid var(--card-border);
    box-shadow: var(--shadow-md);
}

.form-group { margin-bottom: 1.5rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.2rem; }

.form-label {
    display: block;
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
    color: var(--brand-navy);
    font-family: var(--font-heading);
}

.form-control {
    width: 100%;
    padding: 0.9rem 1.2rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--card-border);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: var(--transition);
    background: var(--brand-white);
}

.form-control:focus {
    outline: none;
    border-color: var(--brand-navy);
    box-shadow: 0 0 0 3px rgba(10, 46, 92, 0.1);
}

textarea.form-control { resize: vertical; min-height: 140px; }

/* ── Toast Modal ── */
.toast-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(6, 26, 53, 0.75);
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
}

.toast-modal.show { display: flex; }

.toast-content {
    background: var(--brand-white);
    border-radius: var(--radius-lg);
    padding: 3rem 2.5rem;
    max-width: 500px;
    text-align: center;
    box-shadow: var(--shadow-lg);
    animation: modalPop 0.3s ease forwards;
}

@keyframes modalPop {
    from { opacity: 0; transform: scale(0.9); }
    to { opacity: 1; transform: scale(1); }
}

.toast-icon {
    width: 70px;
    height: 70px;
    background: rgba(10, 46, 92, 0.1);
    color: var(--brand-navy);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.2rem;
    margin: 0 auto 1.5rem auto;
}

.map-wrapper {
    border-radius: var(--radius-md);
    overflow: hidden;
    height: 230px;
    border: 1px solid var(--card-border);
    margin-top: 2rem;
}

/* ══════════════════════════════════
   FOOTER
   ══════════════════════════════════ */
.footer {
    background: var(--brand-silver-light);
    color: var(--brand-graphite);
    padding: 5rem 0 2rem 0;
    border-top: 4px solid var(--brand-navy);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 3rem;
    margin-bottom: 4rem;
}

.footer-brand p {
    margin: 1.2rem 0 1.8rem 0;
    font-size: 0.95rem;
    color: var(--brand-graphite);
    max-width: 330px;
}

.footer-logo-img {
    height: 80px;
    width: auto;
}

.social-links { display: flex; gap: 0.8rem; }

.social-link {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--brand-navy);
    color: var(--brand-white);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.social-link:hover {
    background: var(--brand-silver);
    color: var(--brand-navy-dark);
    transform: translateY(-3px);
}

.footer-col h4 { color: var(--brand-navy); font-size: 1.1rem; margin-bottom: 1.5rem; font-family: var(--font-heading); font-weight: 700; }

.footer-links { display: flex; flex-direction: column; gap: 0.8rem; }
.footer-links a { color: var(--brand-graphite); font-size: 0.95rem; }
.footer-links a:hover { color: var(--brand-navy); font-weight: 600; }

.footer-bottom {
    border-top: 1px solid var(--brand-silver-border);
    padding-top: 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.875rem;
    color: var(--brand-graphite);
}

/* Silver divider — Brand Book visual application */
.silver-divider {
    width: 60px;
    height: 2px;
    background: var(--brand-silver);
    margin: 1.5rem 0;
}

.silver-divider-center {
    width: 60px;
    height: 2px;
    background: var(--brand-silver);
    margin: 1.5rem auto;
}

/* ══════════════════════════════════
   RESPONSIVE BREAKPOINTS
   ══════════════════════════════════ */
@media (max-width: 1024px) {
    .hero-grid, .subsidiary-grid, .about-story-grid, .subsidiary-hero-inner, .contact-grid {
        grid-template-columns: 1fr;
    }
    .benefits-grid { grid-template-columns: repeat(3, 1fr); }
    .service-grid, .testimonial-grid { grid-template-columns: repeat(2, 1fr); }
    .values-grid { grid-template-columns: repeat(3, 1fr); }
    .process-steps { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    .nav-links, .header-cta { display: none; }
    .mobile-toggle { display: block; }
    .hero-content h1 { font-size: 2.2rem; }
    .section-header h2 { font-size: 1.8rem; }
    .benefits-grid, .service-grid, .testimonial-grid, .values-grid, .process-steps { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .footer-bottom { flex-direction: column; gap: 1rem; text-align: center; }
    .hero { padding: 5rem 0 6rem 0; }
    .cta-banner { padding: 3rem 1.5rem; }
    .cta-banner h2 { font-size: 1.8rem; }
}