/* ============================================================
   JMR Resources LLC — Professional Engineering Consultancy
   Stylesheet
   ============================================================ */

/* Root Design Tokens */
:root {
    --navy:           #0d1b35;
    --navy-mid:       #142247;
    --navy-light:     #1e3163;
    --blue:           #1d4ed8;
    --blue-light:     #3b82f6;
    --gold:           #c9a84c;
    --gold-light:     #e8c87a;
    --slate-dark:     #1e293b;
    --slate:          #334155;
    --slate-mid:      #475569;
    --slate-light:    #64748b;
    --border:         #e2e8f0;
    --border-dark:    #cbd5e1;
    --bg-white:       #ffffff;
    --bg-light:       #f8fafc;
    --bg-subtle:      #f1f5f9;
    --text-primary:   #0f172a;
    --text-secondary: #475569;
    --text-muted:     #64748b;
    --shadow-sm:  0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.05);
    --shadow-md:  0 4px 12px rgba(0,0,0,0.08), 0 2px 6px rgba(0,0,0,0.05);
    --shadow-lg:  0 12px 32px rgba(0,0,0,0.10), 0 4px 12px rgba(0,0,0,0.06);
    --shadow-xl:  0 24px 48px rgba(0,0,0,0.14);
    --radius-sm:  6px;
    --radius-md:  10px;
    --radius-lg:  16px;
    --transition: 0.22s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-white);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; }

.container {
    max-width: 1180px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ── Section Layout Helpers ── */
section { padding: 88px 0; }

.section-header {
    text-align: center;
    max-width: 680px;
    margin: 0 auto 3.5rem;
}

.section-eyebrow {
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--blue);
    margin-bottom: 0.75rem;
}

.section-title {
    font-size: clamp(1.75rem, 3vw, 2.4rem);
    font-weight: 800;
    line-height: 1.2;
    color: var(--text-primary);
    letter-spacing: -0.02em;
    margin-bottom: 0.75rem;
}

.section-subtitle {
    font-size: 1.05rem;
    color: var(--text-secondary);
    line-height: 1.65;
}

/* ── Reveal animation ── */
.reveal {
    opacity: 0;
    transform: translateY(22px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}
.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ── Buttons ── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 13px 28px;
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 0.95rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all var(--transition);
    white-space: nowrap;
}

.btn-primary {
    background: var(--gold);
    color: var(--navy);
    border-color: var(--gold);
}
.btn-primary:hover {
    background: var(--gold-light);
    border-color: var(--gold-light);
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(201, 168, 76, 0.35);
}

.btn-outline {
    background: transparent;
    color: #fff;
    border-color: rgba(255,255,255,0.45);
}
.btn-outline:hover {
    background: rgba(255,255,255,0.1);
    border-color: rgba(255,255,255,0.75);
    transform: translateY(-1px);
}

.btn-full { width: 100%; justify-content: center; }

/* ============================================================
   NAVIGATION
   ============================================================ */
.navbar {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255,255,255,0.97);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid transparent;
    padding: 0;
    transition: border-color var(--transition), box-shadow var(--transition);
}
.navbar.scrolled {
    border-color: var(--border);
    box-shadow: var(--shadow-sm);
}

.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 68px;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    flex-shrink: 0;
}
.brand-mark {
    background: var(--navy);
    color: var(--gold);
    font-size: 0.85rem;
    font-weight: 800;
    letter-spacing: 0.06em;
    padding: 5px 9px;
    border-radius: 5px;
    font-family: 'JetBrains Mono', monospace;
}
.brand-name {
    font-size: 1rem;
    font-weight: 700;
    color: var(--navy);
    letter-spacing: -0.01em;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 0.25rem;
    align-items: center;
}

.nav-link {
    display: block;
    padding: 8px 14px;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-decoration: none;
    transition: color var(--transition), background var(--transition);
}
.nav-link:hover { color: var(--navy); background: var(--bg-subtle); }

.nav-cta {
    background: var(--navy);
    color: #fff !important;
    margin-left: 0.5rem;
    font-weight: 600;
}
.nav-cta:hover { background: var(--navy-light) !important; color: #fff !important; }

/* Mobile hamburger */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    border-radius: var(--radius-sm);
}
.nav-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--slate-dark);
    border-radius: 2px;
    transition: all var(--transition);
    transform-origin: center;
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============================================================
   HERO
   ============================================================ */
.hero {
    background: var(--navy);
    color: #fff;
    padding: 110px 0 100px;
    position: relative;
    overflow: hidden;
}

.hero-bg-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(29, 78, 216, 0.12) 1px, transparent 1px),
        linear-gradient(90deg, rgba(29, 78, 216, 0.12) 1px, transparent 1px);
    background-size: 48px 48px;
    -webkit-mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 40%, transparent 100%);
    mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 40%, transparent 100%);
    pointer-events: none;
}

/* Subtle gold accent line at top */
.hero::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--gold), transparent);
}

.hero-inner {
    position: relative;
    z-index: 1;
    max-width: 800px;
}

.hero-eyebrow {
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--gold);
    margin-bottom: 1.25rem;
}

.hero-title {
    font-size: clamp(2.2rem, 5vw, 3.6rem);
    font-weight: 800;
    line-height: 1.12;
    letter-spacing: -0.025em;
    color: #fff;
    margin-bottom: 1.5rem;
}
.hero-title-accent { color: var(--gold); }

.hero-description {
    font-size: 1.1rem;
    line-height: 1.75;
    color: rgba(255,255,255,0.75);
    max-width: 640px;
    margin-bottom: 2.5rem;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 3rem;
}

.hero-credentials {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.12);
}
.credential-item {
    font-size: 0.78rem;
    font-weight: 600;
    font-family: 'JetBrains Mono', monospace;
    letter-spacing: 0.04em;
    color: rgba(255,255,255,0.55);
    padding: 4px 10px;
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: 4px;
    background: rgba(255,255,255,0.04);
}
.credential-sep { color: rgba(255,255,255,0.2); font-size: 1rem; }

/* ── Pedigree Bar ── */
.pedigree-bar {
    background: var(--bg-subtle);
    border-bottom: 1px solid var(--border);
    padding: 16px 0;
}
.pedigree-inner {
    display: flex;
    align-items: center;
    gap: 2rem;
    flex-wrap: wrap;
}
.pedigree-label {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
    white-space: nowrap;
}
.pedigree-list {
    display: flex;
    align-items: center;
    gap: 2rem;
    flex-wrap: wrap;
}
.pedigree-list span {
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--slate);
    opacity: 0.7;
    letter-spacing: 0.01em;
}

/* ============================================================
   ABOUT
   ============================================================ */
.about { background: var(--bg-white); }

.about-layout {
    display: grid;
    grid-template-columns: 1fr 380px;
    gap: 4rem;
    align-items: start;
}

.about-text p {
    font-size: 1.02rem;
    color: var(--text-secondary);
    line-height: 1.82;
    margin-bottom: 1.25rem;
}
.about-text p:last-child { margin-bottom: 0; }

.about-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.stat-card {
    background: var(--bg-light);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 1.5rem 1.25rem;
    text-align: center;
    transition: box-shadow var(--transition), transform var(--transition);
}
.stat-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
}
.stat-number {
    font-size: 2rem;
    font-weight: 800;
    color: var(--navy);
    letter-spacing: -0.02em;
    line-height: 1;
    margin-bottom: 0.5rem;
    font-family: 'JetBrains Mono', monospace;
}
.stat-label {
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-muted);
    line-height: 1.3;
}

/* ============================================================
   SERVICES
   ============================================================ */
.services { background: var(--bg-subtle); }

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.25rem;
}

.service-card {
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.75rem 1.75rem 1.75rem 1.5rem;
    display: flex;
    gap: 1.25rem;
    align-items: flex-start;
    transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
    position: relative;
    overflow: hidden;
}
.service-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--blue), var(--blue-light));
    opacity: 0;
    transition: opacity var(--transition);
}
.service-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
    border-color: var(--border-dark);
}
.service-card:hover::before { opacity: 1; }

.service-icon-wrap {
    flex-shrink: 0;
    width: 44px;
    height: 44px;
    background: var(--bg-subtle);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--blue);
    transition: background var(--transition), color var(--transition), border-color var(--transition);
}
.service-card:hover .service-icon-wrap {
    background: var(--navy);
    color: var(--gold);
    border-color: var(--navy);
}
.service-icon-wrap svg { width: 22px; height: 22px; }

.service-body h3 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    letter-spacing: -0.01em;
}
.service-body p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.65;
}

/* ============================================================
   REGULATORY SECTION
   ============================================================ */
.regulatory { background: var(--navy); }

.regulatory .section-eyebrow { color: var(--gold); }
.regulatory .section-title { color: #fff; }
.regulatory .section-subtitle { color: rgba(255,255,255,0.6); }

.regulatory-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.25rem;
}

.reg-card {
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius-lg);
    padding: 2rem;
    transition: background var(--transition), border-color var(--transition), transform var(--transition);
}
.reg-card:hover {
    background: rgba(255,255,255,0.07);
    border-color: rgba(255,255,255,0.2);
    transform: translateY(-3px);
}

.reg-card-highlight {
    border-color: rgba(201, 168, 76, 0.4);
    background: rgba(201, 168, 76, 0.06);
}
.reg-card-highlight:hover {
    background: rgba(201, 168, 76, 0.1);
    border-color: rgba(201, 168, 76, 0.6);
}

.reg-standard {
    display: inline-block;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    color: var(--gold);
    background: rgba(201, 168, 76, 0.12);
    border: 1px solid rgba(201, 168, 76, 0.25);
    padding: 4px 10px;
    border-radius: 4px;
    margin-bottom: 1rem;
}

.reg-card h3 {
    font-size: 1rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 0.75rem;
    letter-spacing: -0.01em;
}
.reg-card p {
    font-size: 0.875rem;
    color: rgba(255,255,255,0.65);
    line-height: 1.7;
}

/* ============================================================
   TECHNOLOGIES
   ============================================================ */
.technologies { background: var(--bg-white); }

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 1.5rem;
}

.tech-category {
    background: var(--bg-light);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.75rem;
    border-left: 4px solid var(--navy);
    transition: box-shadow var(--transition), transform var(--transition), border-left-color var(--transition);
}
.tech-category:hover {
    box-shadow: var(--shadow-md);
    transform: translateX(4px);
    border-left-color: var(--gold);
}

.tech-category h3 {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1.25rem;
    letter-spacing: -0.01em;
}
.tech-category h3 svg {
    width: 17px;
    height: 17px;
    color: var(--blue);
    flex-shrink: 0;
}

.tech-category ul { list-style: none; }
.tech-category li {
    padding: 0.5rem 0;
    font-size: 0.88rem;
    color: var(--text-secondary);
    border-bottom: 1px solid rgba(100,116,139,0.15);
    transition: color var(--transition), padding-left var(--transition);
    cursor: default;
}
.tech-category li:last-child { border-bottom: none; }
.tech-category li:hover { color: var(--navy); padding-left: 4px; }

/* ============================================================
   RESEARCH
   ============================================================ */
.research {
    background: linear-gradient(160deg, #091629 0%, var(--navy-mid) 60%, #0d2244 100%);
    color: #fff;
    position: relative;
    overflow: hidden;
}

.research::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        repeating-linear-gradient(0deg, transparent, transparent 59px, rgba(29,78,216,0.07) 59px, rgba(29,78,216,0.07) 60px),
        repeating-linear-gradient(90deg, transparent, transparent 59px, rgba(29,78,216,0.07) 59px, rgba(29,78,216,0.07) 60px);
    pointer-events: none;
}

.research > .container { position: relative; z-index: 1; }

/* Featured Research */
.featured-research {
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    margin-bottom: 2.5rem;
}

.featured-badge {
    display: inline-block;
    background: linear-gradient(135deg, var(--blue) 0%, #2563eb 100%);
    color: #fff;
    font-size: 0.7rem;
    font-weight: 800;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: 5px 14px;
    border-radius: 20px;
    margin-bottom: 1.25rem;
}

.featured-research h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 0.75rem;
    letter-spacing: -0.02em;
}

.featured-intro {
    font-size: 1rem;
    color: rgba(255,255,255,0.75);
    line-height: 1.78;
    margin-bottom: 2rem;
    max-width: 800px;
}

.achievement-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.achievement-item {
    background: rgba(29,78,216,0.1);
    border: 1px solid rgba(29,78,216,0.25);
    border-radius: var(--radius-md);
    padding: 1.25rem;
    transition: background var(--transition), transform var(--transition);
}
.achievement-item:hover {
    background: rgba(29,78,216,0.18);
    transform: translateY(-2px);
}
.achievement-label {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--blue-light);
    letter-spacing: 0.03em;
    margin-bottom: 0.5rem;
    text-transform: uppercase;
}
.achievement-item p {
    font-size: 0.85rem;
    color: rgba(255,255,255,0.7);
    line-height: 1.55;
}

.capabilities-list {
    background: rgba(0,0,0,0.2);
    border-radius: var(--radius-md);
    padding: 1.75rem;
    margin-bottom: 1.75rem;
}
.capabilities-list h4 {
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: rgba(255,255,255,0.5);
    margin-bottom: 1rem;
}
.capabilities-list ul { list-style: none; }
.capabilities-list li {
    padding: 0.65rem 0 0.65rem 1.5rem;
    color: rgba(255,255,255,0.8);
    font-size: 0.9rem;
    line-height: 1.55;
    position: relative;
    border-bottom: 1px solid rgba(255,255,255,0.06);
}
.capabilities-list li:last-child { border-bottom: none; }
.capabilities-list li::before {
    content: '›';
    position: absolute;
    left: 0;
    color: var(--blue-light);
    font-weight: 700;
    font-size: 1.1rem;
}
.capabilities-list strong { color: #fff; font-weight: 600; }

.research-impact {
    background: linear-gradient(135deg, rgba(29,78,216,0.15) 0%, rgba(37,99,235,0.1) 100%);
    border: 1px solid rgba(29,78,216,0.3);
    border-left: 4px solid var(--blue-light);
    border-radius: var(--radius-md);
    padding: 1.25rem 1.5rem;
    font-size: 0.92rem;
    color: rgba(255,255,255,0.85);
    line-height: 1.7;
}
.research-impact strong { color: #fff; }

/* Research Cards */
.research-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.25rem;
}

.research-card {
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius-lg);
    padding: 2rem;
    transition: background var(--transition), transform var(--transition), border-color var(--transition);
}
.research-card:hover {
    background: rgba(255,255,255,0.07);
    border-color: rgba(29,78,216,0.4);
    transform: translateY(-4px);
}

.research-card-icon {
    width: 46px;
    height: 46px;
    background: rgba(29,78,216,0.15);
    border: 1px solid rgba(29,78,216,0.3);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--blue-light);
    margin-bottom: 1.25rem;
}
.research-card-icon svg { width: 22px; height: 22px; }

.research-card h3 {
    font-size: 1rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 0.6rem;
    letter-spacing: -0.01em;
}
.research-card p {
    font-size: 0.875rem;
    color: rgba(255,255,255,0.65);
    line-height: 1.68;
}

/* ============================================================
   CONTACT
   ============================================================ */
.contact { background: var(--bg-subtle); }

.contact-layout {
    display: grid;
    grid-template-columns: 340px 1fr;
    gap: 3rem;
    align-items: start;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.contact-item {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 1.1rem 1.25rem;
    transition: box-shadow var(--transition);
}
.contact-item:hover { box-shadow: var(--shadow-sm); }

.contact-icon-wrap {
    width: 36px;
    height: 36px;
    background: var(--bg-subtle);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--blue);
    flex-shrink: 0;
}
.contact-icon-wrap svg { width: 18px; height: 18px; }

.contact-label {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
    margin-bottom: 2px;
}
.contact-value {
    font-size: 0.88rem;
    font-weight: 500;
    color: var(--text-primary);
    text-decoration: none;
    transition: color var(--transition);
    line-height: 1.4;
}
.contact-value:hover { color: var(--blue); }

/* Contact Form */
.contact-form {
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    box-shadow: var(--shadow-sm);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.form-group label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: 0.01em;
}

.contact-form input,
.contact-form textarea {
    padding: 11px 14px;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 0.92rem;
    color: var(--text-primary);
    background: var(--bg-white);
    transition: border-color var(--transition), box-shadow var(--transition);
    width: 100%;
}
.contact-form input::placeholder,
.contact-form textarea::placeholder { color: var(--text-muted); }
.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--blue);
    box-shadow: 0 0 0 3px rgba(29,78,216,0.1);
}
.contact-form textarea { resize: vertical; min-height: 130px; }

.contact-form .btn-primary {
    background: var(--navy);
    color: #fff;
    border-color: var(--navy);
    font-size: 0.95rem;
    padding: 13px 28px;
}
.contact-form .btn-primary:hover {
    background: var(--navy-light);
    border-color: var(--navy-light);
    box-shadow: 0 6px 20px rgba(14,27,53,0.25);
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
    background: var(--slate-dark);
    color: rgba(255,255,255,0.6);
    padding: 1.75rem 0;
    border-top: 1px solid rgba(255,255,255,0.05);
}

.footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 8px;
}
.footer-brand .brand-mark {
    background: rgba(255,255,255,0.08);
    color: var(--gold);
    font-size: 0.75rem;
    padding: 4px 8px;
}
.footer-brand .brand-name { color: rgba(255,255,255,0.55); font-size: 0.9rem; }

.footer-copy { font-size: 0.82rem; }

.footer-links {
    display: flex;
    gap: 1.5rem;
}
.footer-links a {
    font-size: 0.82rem;
    color: rgba(255,255,255,0.5);
    text-decoration: none;
    transition: color var(--transition);
}
.footer-links a:hover { color: rgba(255,255,255,0.9); }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
    .about-layout { grid-template-columns: 1fr; }
    .about-stats { grid-template-columns: repeat(4, 1fr); }
    .contact-layout { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    section { padding: 64px 0; }

    .nav-toggle { display: flex; }

    .nav-menu {
        display: none;
        position: absolute;
        top: 68px;
        left: 0; right: 0;
        background: #fff;
        border-bottom: 1px solid var(--border);
        box-shadow: var(--shadow-lg);
        padding: 1rem;
        flex-direction: column;
        gap: 0.25rem;
        z-index: 999;
    }
    .nav-menu.open { display: flex; }
    .nav-link { padding: 10px 16px; border-radius: var(--radius-sm); }
    .nav-cta { margin-left: 0; margin-top: 0.5rem; text-align: center; }

    .hero { padding: 72px 0 64px; }
    .hero-title { font-size: 2rem; }
    .hero-description { font-size: 1rem; }
    .hero-actions { flex-direction: column; }
    .hero-actions .btn { text-align: center; justify-content: center; }
    .hero-credentials { gap: 0.4rem; }

    .pedigree-inner { flex-direction: column; align-items: flex-start; gap: 0.75rem; }
    .pedigree-list { gap: 1rem; }

    .about-stats { grid-template-columns: 1fr 1fr; }

    .services-grid { grid-template-columns: 1fr; }
    .regulatory-grid { grid-template-columns: 1fr; }
    .tech-grid { grid-template-columns: 1fr 1fr; }
    .research-grid { grid-template-columns: 1fr; }
    .achievement-grid { grid-template-columns: 1fr 1fr; }

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

    .footer-inner { flex-direction: column; text-align: center; }
    .footer-links { justify-content: center; }
}

@media (max-width: 480px) {
    .container { padding: 0 16px; }
    .hero-title { font-size: 1.75rem; }
    .about-stats { grid-template-columns: 1fr 1fr; }
    .tech-grid { grid-template-columns: 1fr; }
    .achievement-grid { grid-template-columns: 1fr; }
    .credential-item { font-size: 0.7rem; }
    .featured-research { padding: 1.5rem; }
}