:root {
    --sp-navy: #0A1A33;
    --sp-navy-light: #122a4a;
    --sp-navy-medium: #1a3a5a;
    --sp-silver: #C0C0C0;
    --sp-silver-light: #e8e8e8;
    --sp-olive: #8B8F6A;
    --sp-olive-light: #a8ad84;
    --sp-gold: #c4a46c;
    --sp-white: #ffffff;
    --sp-off-white: #f8f9fa;
    --sp-light-gray: #f0f0f0;
    --sp-gray: #6c757d;
    --sp-dark-gray: #343a40;
    --sp-text: #212529;
    --sp-text-light: #6c757d;
    --sp-border: #dee2e6;
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Open Sans', sans-serif;
    --transition: all 0.3s ease;
    --shadow-sm: 0 2px 8px rgba(10, 26, 51, 0.08);
    --shadow-md: 0 4px 20px rgba(10, 26, 51, 0.12);
    --shadow-lg: 0 8px 40px rgba(10, 26, 51, 0.16);
    --radius: 8px;
    --radius-lg: 12px;
    --max-width: 1200px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }
body {
    font-family: var(--font-body);
    color: var(--sp-text);
    font-size: 16px;
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.3;
    color: var(--sp-navy);
}

a { color: var(--sp-olive); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--sp-navy); }

img { max-width: 100%; height: auto; }
ul { list-style: none; }
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: 4px;
    transition: var(--transition);
    cursor: pointer;
    border: 2px solid transparent;
    text-decoration: none;
}
.btn-primary {
    background: var(--sp-navy);
    color: var(--sp-white);
}
.btn-primary:hover {
    background: var(--sp-olive);
    color: var(--sp-white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}
.btn-outline {
    background: transparent;
    color: var(--sp-white);
    border-color: var(--sp-white);
}
.btn-outline:hover {
    background: var(--sp-white);
    color: var(--sp-navy);
    transform: translateY(-2px);
}
.btn-lg { padding: 18px 44px; font-size: 15px; }
.btn-block { width: 100%; justify-content: center; }

.section { padding: 100px 0; }
.section.bg-light { background: var(--sp-off-white); }
.section-header {
    text-align: center;
    margin-bottom: 60px;
}
.section-header h2 {
    font-size: 38px;
    margin-bottom: 16px;
    position: relative;
    display: inline-block;
}
.section-header h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: var(--sp-olive);
    margin: 16px auto 0;
}
.section-header p {
    font-size: 18px;
    color: var(--sp-text-light);
    max-width: 700px;
    margin: 0 auto;
}
.text-center { text-align: center; }

/* ========== HEADER ========== */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(10, 26, 51, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255,255,255,0.08);
    transition: var(--transition);
}
.header-container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}
.site-branding .logo-link {
    display: flex;
    align-items: center;
    gap: 12px;
}
.site-logo {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    border: 2px solid var(--sp-olive);
}
.site-title {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 20px;
    color: var(--sp-white);
    letter-spacing: 1px;
}
.main-navigation .nav-menu {
    display: flex;
    gap: 4px;
}
.main-navigation .menu-item a {
    color: rgba(255,255,255,0.8);
    font-family: var(--font-heading);
    font-size: 13px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    padding: 10px 18px;
    border-radius: 4px;
    transition: var(--transition);
}
.main-navigation .menu-item a:hover,
.main-navigation .menu-item.current-menu-item a {
    color: var(--sp-white);
    background: rgba(139, 143, 106, 0.2);
}
.header-actions {
    display: flex;
    align-items: center;
    gap: 6px;
}
.lang-switch {
    font-family: var(--font-heading);
    font-size: 12px;
    font-weight: 700;
    color: rgba(255,255,255,0.7);
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 4px 8px;
    border-radius: 3px;
    transition: var(--transition);
}
.lang-switch:hover { color: var(--sp-white); background: rgba(255,255,255,0.1); }
.lang-switch.active { color: var(--sp-white); background: rgba(139,143,106,0.3); }
.lang-sep { color: rgba(255,255,255,0.3); font-size: 12px; }
.language-switcher-mobile { display: none; }

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}
.hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--sp-white);
    border-radius: 2px;
    transition: var(--transition);
}

/* ========== HERO ========== */
.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--sp-navy) 0%, #0d1f3f 30%, #152e52 60%, #1a3a5a 100%);
    overflow: hidden;
}
.hero-overlay {
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg viewBox='0 0 400 400' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)' opacity='0.05'/%3E%3C/svg%3E");
    opacity: 0.5;
    pointer-events: none;
}
.hero-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(139,143,106,0.08) 0%, transparent 70%);
    pointer-events: none;
}
.hero-section::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(196,164,108,0.06) 0%, transparent 70%);
    pointer-events: none;
}
.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 900px;
    padding: 0 24px;
}
.hero-logo { margin-bottom: 24px; }
.hero-brand-logo {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    border: 3px solid var(--sp-olive);
    padding: 4px;
    background: rgba(255,255,255,0.05);
}
.hero-title {
    font-size: 56px;
    font-weight: 800;
    color: var(--sp-white);
    letter-spacing: 3px;
    margin-bottom: 16px;
}
.hero-subtitle {
    font-family: var(--font-heading);
    font-size: 20px;
    font-weight: 400;
    color: var(--sp-olive-light);
    letter-spacing: 4px;
    text-transform: uppercase;
    margin-bottom: 24px;
}
.hero-description {
    font-size: 18px;
    color: rgba(255,255,255,0.7);
    max-width: 700px;
    margin: 0 auto 40px;
    line-height: 1.8;
}
.hero-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.hero-scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: rgba(255,255,255,0.4);
    font-family: var(--font-heading);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 2px;
    animation: bounce 2s infinite;
}
@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
    40% { transform: translateX(-50%) translateY(-10px); }
    60% { transform: translateX(-50%) translateY(-5px); }
}

/* ========== SERVICES PREVIEW ========== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}
.service-card {
    background: var(--sp-white);
    border: 1px solid var(--sp-border);
    border-radius: var(--radius-lg);
    padding: 48px 32px;
    text-align: center;
    transition: var(--transition);
}
.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--sp-olive);
}
.service-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
    background: linear-gradient(135deg, var(--sp-navy), var(--sp-navy-medium));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    color: var(--sp-white);
    transition: var(--transition);
}
.service-card:hover .service-icon {
    background: linear-gradient(135deg, var(--sp-olive), var(--sp-olive-light));
}
.service-card h3 {
    font-size: 20px;
    margin-bottom: 12px;
}
.service-card p {
    color: var(--sp-text-light);
    font-size: 14px;
    line-height: 1.7;
    margin-bottom: 20px;
}
.card-link {
    font-family: var(--font-heading);
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--sp-olive);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.card-link:hover { color: var(--sp-navy); gap: 10px; }

/* ========== CTA ========== */
.section-cta {
    background: linear-gradient(135deg, var(--sp-navy) 0%, var(--sp-navy-medium) 100%);
    text-align: center;
    padding: 100px 0;
}
.cta-content h2 {
    color: var(--sp-white);
    font-size: 38px;
    margin-bottom: 16px;
}
.cta-content p {
    color: rgba(255,255,255,0.7);
    font-size: 18px;
    margin-bottom: 40px;
}

/* ========== PAGE HERO ========== */
.page-hero {
    background: linear-gradient(135deg, var(--sp-navy) 0%, var(--sp-navy-medium) 100%);
    padding: 160px 0 80px;
    text-align: center;
    position: relative;
}
.page-hero-sm { padding: 140px 0 60px; }
.page-hero h1 {
    color: var(--sp-white);
    font-size: 44px;
    margin-bottom: 12px;
}
.page-hero p {
    color: rgba(255,255,255,0.7);
    font-size: 18px;
    max-width: 600px;
    margin: 0 auto;
}

/* ========== ABOUT ========== */
.about-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}
.about-card {
    background: var(--sp-white);
    border: 1px solid var(--sp-border);
    border-radius: var(--radius-lg);
    padding: 48px 32px;
    text-align: center;
    transition: var(--transition);
}
.about-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.about-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, var(--sp-olive), var(--sp-olive-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    color: var(--sp-white);
}
.about-card h3 { font-size: 22px; margin-bottom: 16px; }
.about-card p { color: var(--sp-text-light); line-height: 1.8; }
.values-list { font-family: var(--font-heading); font-weight: 600; font-size: 16px !important; color: var(--sp-olive) !important; }

.profile-content {
    max-width: 800px;
    margin: 0 auto;
    font-size: 17px;
    line-height: 2;
    color: var(--sp-text-light);
    text-align: center;
}

/* ========== SERVICES DETAIL ========== */
.service-detail {
    display: grid;
    grid-template-columns: 100px 1fr;
    gap: 40px;
    padding: 60px 0;
    border-bottom: 1px solid var(--sp-border);
}
.service-detail:first-child { padding-top: 0; }
.service-detail:last-child { border-bottom: none; padding-bottom: 0; }
.service-detail-icon {
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, var(--sp-navy), var(--sp-navy-medium));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 40px;
    color: var(--sp-white);
    flex-shrink: 0;
}
.service-detail-content h2 {
    font-size: 28px;
    margin-bottom: 12px;
}
.service-detail-content p {
    color: var(--sp-text-light);
    font-size: 16px;
    margin-bottom: 24px;
}
.service-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}
.service-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    color: var(--sp-text);
}
.service-features li i { color: var(--sp-olive); font-size: 16px; }

/* ========== PROJECTS ========== */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}
.project-card {
    background: var(--sp-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--sp-border);
    transition: var(--transition);
}
.project-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}
.project-card-image {
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 56px;
    color: rgba(255,255,255,0.3);
}
.project-card-body { padding: 28px; }
.project-tag {
    display: inline-block;
    background: rgba(139, 143, 106, 0.12);
    color: var(--sp-olive);
    font-family: var(--font-heading);
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 4px 12px;
    border-radius: 20px;
    margin-bottom: 12px;
}
.project-card-body h3 {
    font-size: 18px;
    margin-bottom: 8px;
}
.project-card-body p {
    color: var(--sp-text-light);
    font-size: 14px;
    line-height: 1.7;
}

/* ========== INSIGHTS ========== */
.insights-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}
.insight-card {
    background: var(--sp-white);
    border: 1px solid var(--sp-border);
    border-radius: var(--radius-lg);
    padding: 36px 28px;
    transition: var(--transition);
}
.insight-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}
.insight-date {
    font-family: var(--font-heading);
    font-size: 12px;
    font-weight: 600;
    color: var(--sp-olive);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 12px;
}
.insight-card h3 {
    font-size: 18px;
    margin-bottom: 12px;
}
.insight-card p {
    color: var(--sp-text-light);
    font-size: 14px;
    line-height: 1.7;
    margin-bottom: 20px;
}

/* ========== TEAM ========== */
.team-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}
.team-member {
    background: var(--sp-white);
    border: 1px solid var(--sp-border);
    border-radius: var(--radius-lg);
    padding: 48px 28px;
    text-align: center;
    transition: var(--transition);
}
.team-member:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.member-photo {
    width: 120px;
    height: 120px;
    margin: 0 auto 24px;
    background: linear-gradient(135deg, var(--sp-navy), var(--sp-navy-medium));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 48px;
    color: var(--sp-white);
}
.member-name {
    font-size: 20px;
    margin-bottom: 6px;
}
.member-title {
    font-family: var(--font-heading);
    font-size: 13px;
    font-weight: 600;
    color: var(--sp-olive);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 16px;
}
.member-bio {
    color: var(--sp-text-light);
    font-size: 14px;
    line-height: 1.8;
}

/* ========== CONTACT ========== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}
.contact-form-wrapper h2 {
    font-size: 28px;
    margin-bottom: 32px;
}
.form-row { margin-bottom: 20px; }
.form-row input,
.form-row textarea {
    width: 100%;
    padding: 14px 18px;
    border: 2px solid var(--sp-border);
    border-radius: var(--radius);
    font-family: var(--font-body);
    font-size: 15px;
    transition: var(--transition);
    background: var(--sp-white);
}
.form-row input:focus,
.form-row textarea:focus {
    outline: none;
    border-color: var(--sp-olive);
    box-shadow: 0 0 0 3px rgba(139,143,106,0.15);
}
.form-row textarea { resize: vertical; }
.form-row input.has-error,
.form-row textarea.has-error {
    border-color: #c0392b;
    background: #fdf3f2;
}

.form-banner {
    padding: 14px 18px;
    border-radius: var(--radius);
    margin-bottom: 24px;
    font-size: 14px;
    line-height: 1.5;
    border: 1px solid transparent;
}
.form-banner-success {
    background: #eaf6ec;
    border-color: #b8e0bf;
    color: #1e6b2b;
}
.form-banner-error {
    background: #fdf3f2;
    border-color: #f1c1bc;
    color: #8a2218;
}

.contact-info-card {
    background: var(--sp-off-white);
    border-radius: var(--radius-lg);
    padding: 40px;
    margin-bottom: 24px;
}
.contact-info-card h3 { font-size: 22px; margin-bottom: 24px; }
.contact-item {
    display: flex;
    gap: 16px;
    margin-bottom: 20px;
}
.contact-item:last-child { margin-bottom: 0; }
.contact-item i {
    width: 44px;
    height: 44px;
    background: var(--sp-navy);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--sp-white);
    font-size: 16px;
    flex-shrink: 0;
}
.contact-item strong { display: block; font-family: var(--font-heading); font-size: 15px; margin-bottom: 2px; }
.contact-item p { color: var(--sp-text-light); font-size: 14px; }
.contact-map iframe { display: block; }

/* ========== FOOTER ========== */
.site-footer {
    background: var(--sp-navy);
    color: rgba(255,255,255,0.7);
    padding: 80px 0 0;
}
.footer-container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }
.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
    gap: 60px;
    padding-bottom: 60px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-logo {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    border: 2px solid var(--sp-olive);
    margin-bottom: 16px;
}
.footer-brand p { font-size: 14px; line-height: 1.8; color: rgba(255,255,255,0.5); }
.footer-col h4 {
    color: var(--sp-white);
    font-size: 16px;
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 1px;
}
.footer-col ul li {
    margin-bottom: 10px;
    font-size: 14px;
}
.footer-col ul li a {
    color: rgba(255,255,255,0.6);
    transition: var(--transition);
}
.footer-col ul li a:hover { color: var(--sp-olive); }
.footer-col ul li i { width: 20px; color: var(--sp-olive); margin-right: 8px; }
.footer-bottom {
    padding: 24px 0;
    text-align: center;
    font-size: 13px;
    color: rgba(255,255,255,0.4);
}

/* ========== RESPONSIVE ========== */
@media (max-width: 1024px) {
    .services-grid,
    .about-grid,
    .projects-grid,
    .insights-grid,
    .team-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: repeat(2, 1fr); gap: 40px; }
    .contact-grid { gap: 40px; }
    .service-detail { grid-template-columns: 80px 1fr; gap: 30px; }
}

@media (max-width: 768px) {
    .header-inner { height: 68px; }
    .hamburger { display: flex; }
    .main-navigation {
        position: fixed;
        top: 68px;
        left: 0;
        width: 100%;
        background: rgba(10, 26, 51, 0.98);
        backdrop-filter: blur(10px);
        padding: 20px 24px;
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
        border-bottom: 1px solid rgba(255,255,255,0.08);
    }
    .main-navigation.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    .main-navigation .nav-menu { flex-direction: column; gap: 0; }
    .main-navigation .menu-item a {
        display: block;
        padding: 14px 0;
        border-bottom: 1px solid rgba(255,255,255,0.06);
        font-size: 14px;
    }
    .language-switcher-mobile {
        display: flex;
        gap: 12px;
        padding: 16px 0 8px;
    }
    .language-switcher-mobile .lang-switch { font-size: 14px; }

    .site-title { font-size: 16px; }
    .site-logo { width: 40px; height: 40px; }
    .header-actions { display: none; }

    .hero-title { font-size: 34px; }
    .hero-subtitle { font-size: 14px; letter-spacing: 2px; }
    .hero-description { font-size: 16px; }
    .hero-actions { flex-direction: column; align-items: center; }

    .section { padding: 60px 0; }
    .section-header h2 { font-size: 28px; }
    .section-header p { font-size: 16px; }

    .services-grid,
    .about-grid,
    .projects-grid,
    .insights-grid,
    .team-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; gap: 32px; }
    .contact-grid { grid-template-columns: 1fr; }

    .service-detail { grid-template-columns: 1fr; gap: 20px; text-align: center; }
    .service-detail-icon { margin: 0 auto; width: 80px; height: 80px; font-size: 32px; }
    .service-features { grid-template-columns: 1fr; }

    .page-hero h1 { font-size: 32px; }
    .page-hero p { font-size: 16px; }
    .page-hero { padding: 120px 0 60px; }

    .contact-info-card { padding: 28px; }

    .section-cta { padding: 60px 0; }
    .cta-content h2 { font-size: 28px; }
}