:root {
    --color-primary: #1e4fbf;
    --color-primary-dark: #153a8a;
    --color-primary-light: #e3ecff;
    --color-accent: #f5a623;
    --color-bg: #ffffff;
    --color-bg-alt: #f5f7fb;
    --color-text: #1b1f3b;
    --color-muted: #6b7280;
    --shadow-soft: 0 10px 25px rgba(15, 23, 42, 0.08);
    --radius-lg: 18px;
    --radius-md: 12px;
    --radius-pill: 999px;
    --transition-fast: 0.2s ease;
    --transition-med: 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: 'Poppins', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--color-text);
    background-color: var(--color-bg);
    line-height: 1.6;
}

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

a {
    color: inherit;
    text-decoration: none;
}

section {
    scroll-margin-top: 90px;
}

.container {
    width: 100%;
    max-width: 1120px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section {
    padding: 5rem 0;
}

.section-inner {
    display: flex;
    flex-direction: column;
    gap: 3rem;
}

.section-header {
    max-width: 720px;
}

.section-header h2 {
    font-size: 2.25rem;
    margin: 0 0 0.75rem;
    letter-spacing: -0.02em;
}

.section-header p {
    margin: 0;
    color: var(--color-muted);
}

.two-column {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1.2fr);
    gap: 3rem;
    align-items: center;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.8rem 1.8rem;
    border-radius: var(--radius-pill);
    font-weight: 500;
    font-size: 0.95rem;
    border: 1px solid transparent;
    cursor: pointer;
    transition: background-color var(--transition-fast), color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast), border-color var(--transition-fast);
    white-space: nowrap;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: #ffffff;
    box-shadow: var(--shadow-soft);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--color-primary-dark), #0f2a6e);
    transform: translateY(-1px);
    box-shadow: 0 14px 30px rgba(15, 23, 42, 0.18);
}

.btn-outline {
    background-color: rgba(255, 255, 255, 0.12);
    color: #ffffff;
    border-color: rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(12px);
}

.btn-outline:hover {
    background-color: rgba(255, 255, 255, 0.22);
    border-color: #ffffff;
    transform: translateY(-1px);
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 40;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(18px);
    box-shadow: 0 1px 0 rgba(15, 23, 42, 0.06);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.9rem 0;
}

.logo {
    display: inline-flex;
    align-items: center;
    gap: 0;
}

.logo-mark {
    width: 300px;
    height: auto;
    border-radius: 14px;
    background: transparent;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.logo-img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    font-size: 0.95rem;
}

.main-nav a {
    position: relative;
    color: var(--color-muted);
    transition: color var(--transition-fast);
}

.main-nav a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -0.35rem;
    width: 0;
    height: 2px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    border-radius: 999px;
    transition: width var(--transition-fast);
}

.main-nav a:hover {
    color: var(--color-primary-dark);
}

.main-nav a:hover::after {
    width: 100%;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 0.25rem;
    background: none;
    border: none;
    padding: 0.4rem;
    cursor: pointer;
}

.nav-toggle span {
    width: 22px;
    height: 2px;
    border-radius: 999px;
    background-color: var(--color-text);
    transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.banner {
    position: relative;
    width: 100%;
}

.banner-slider {
    position: relative;
    overflow: hidden;
}

.banner-slider::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 32%;
    background: linear-gradient(to bottom, rgba(15, 23, 42, 0.36), rgba(15, 23, 42, 0));
    pointer-events: none;
    z-index: 1;
}

.banner-track {
    display: flex;
    transition: transform 0.6s ease;
    will-change: transform;
}

.banner-slide {
    min-width: 100%;
}

.banner-overlay {
    display: none;
}

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

.banner-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 44px;
    height: 44px;
    border: 0;
    border-radius: 50%;
    background: rgba(15, 23, 42, 0.5);
    color: #ffffff;
    font-size: 1.3rem;
    line-height: 1;
    cursor: pointer;
    z-index: 2;
    transition: background-color var(--transition-fast), transform var(--transition-fast);
}

.banner-arrow:hover {
    background: rgba(15, 23, 42, 0.75);
}

.banner-arrow-prev {
    left: 1rem;
}

.banner-arrow-next {
    right: 1rem;
}

.banner-dots {
    position: absolute;
    left: 50%;
    bottom: 1rem;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 0.55rem;
    z-index: 2;
}

.banner-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    border: none;
    background: rgba(255, 255, 255, 0.55);
    cursor: pointer;
    transition: background-color var(--transition-fast), transform var(--transition-fast);
}

.banner-dot.active {
    background: #ffffff;
    transform: scale(1.2);
}

.banner-content {
    position: relative;
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
    gap: 3.5rem;
    align-items: center;
    padding: 5.5rem 1.5rem 4.5rem;
}

.banner-text .eyebrow {
    text-transform: uppercase;
    font-weight: 500;
    letter-spacing: 0.16em;
    font-size: 0.75rem;
    margin: 0 0 0.75rem;
    color: rgba(255, 255, 255, 0.85);
}

.banner h1 {
    font-size: clamp(2.6rem, 4vw, 3.3rem);
    margin: 0 0 0.5rem;
    letter-spacing: -0.04em;
}

.banner .subtitle {
    margin: 0 0 1.6rem;
    max-width: 30rem;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 300;
}

.banner-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.85rem;
}

.banner-profile {
    display: flex;
    justify-content: flex-end;
}

.profile-card {
    background: rgba(15, 23, 42, 0.72);
    border-radius: 28px;
    padding: 1.2rem 1.2rem 1.3rem;
    box-shadow: 0 22px 55px rgba(15, 23, 42, 0.7);
    max-width: 340px;
    border: 1px solid rgba(148, 163, 184, 0.45);
    backdrop-filter: blur(24px);
}

.profile-image {
    border-radius: 22px;
    overflow: hidden;
    margin-bottom: 1rem;
}

.profile-info h2 {
    margin: 0 0 0.15rem;
    font-size: 1.35rem;
}

.profile-info p {
    margin: 0 0 0.7rem;
    font-size: 0.9rem;
    color: rgba(226, 232, 240, 0.9);
}

.profile-info ul {
    list-style: none;
    padding: 0;
    margin: 0;
    font-size: 0.85rem;
    color: rgba(226, 232, 240, 0.9);
}

.profile-info li {
    display: flex;
    gap: 0.35rem;
    align-items: flex-start;
    margin-bottom: 0.3rem;
}

.profile-info li::before {
    content: "•";
    color: var(--color-primary-light);
    margin-top: 0.05rem;
}

.about {
    background-color: var(--color-bg);
}

.section-content h2 {
    font-size: 2rem;
    margin: 0 0 1rem;
}

.section-content p {
    margin: 0 0 1rem;
    color: var(--color-muted);
}

.about-cards {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.4rem;
}

.about-card {
    background-color: #f3f4f6;
    border-radius: var(--radius-lg);
    padding: 1.6rem 1.5rem;
    border: 1px solid rgba(59, 130, 246, 0.35);
    box-shadow: 0 8px 20px rgba(30, 79, 191, 0.08);
    transition: transform var(--transition-med), box-shadow var(--transition-med), border-color var(--transition-med);
}

.about-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 26px rgba(30, 79, 191, 0.14);
    border-color: rgba(37, 99, 235, 0.85);
}

.about-card h3 {
    margin: 0 0 0.9rem;
    font-size: 1.18rem;
    font-weight: 700;
    letter-spacing: -0.01em;
    color: var(--color-primary-dark);
    position: relative;
    padding-bottom: 0.5rem;
}

.about-card h3::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 44px;
    height: 3px;
    border-radius: 999px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
}

.about-card p {
    margin: 0;
    font-size: 0.95rem;
    color: var(--color-muted);
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.1rem;
    margin-top: 1.2rem;
}

.stat-card {
    background-color: var(--color-bg-alt);
    border-radius: var(--radius-md);
    padding: 0.85rem 1rem;
    box-shadow: 0 8px 18px rgba(15, 23, 42, 0.04);
}

.stat-label {
    display: block;
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: var(--color-muted);
    margin-bottom: 0.3rem;
}

.stat-value {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-primary-dark);
}

.gallery {
    background: linear-gradient(180deg, #f8fafc 0%, #eef2ff 100%);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 1.15rem;
}

.gallery-item {
    display: block;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid rgba(59, 130, 246, 0.2);
    box-shadow: 0 10px 28px rgba(30, 79, 191, 0.08);
    transition: transform var(--transition-med), box-shadow var(--transition-med), border-color var(--transition-med);
}

.gallery-item:hover {
    transform: translateY(-3px);
    border-color: rgba(37, 99, 235, 0.45);
    box-shadow: 0 18px 44px rgba(15, 23, 42, 0.12);
}

.gallery-item:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 3px;
}

.gallery-item img {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    vertical-align: middle;
}

.career {
    background: linear-gradient(180deg, #e4edff 0%, #d8e6ff 100%);
}

.career-timeline {
    position: relative;
    display: grid;
    gap: 2.1rem;
    padding-left: 1.4rem;
}

.career-timeline::before {
    content: "";
    position: absolute;
    left: 0.4rem;
    top: 0.2rem;
    bottom: 0.2rem;
    width: 2px;
    background: linear-gradient(to bottom, var(--color-primary), transparent);
    opacity: 0.4;
}

.career-item {
    position: relative;
    display: grid;
    grid-template-columns: 140px minmax(0, 1fr);
    gap: 1.5rem;
    align-items: flex-start;
}

.career-item::before {
    content: "";
    position: absolute;
    left: -1.15rem;
    top: 0.4rem;
    width: 11px;
    height: 11px;
    border-radius: 999px;
    background: #ffffff;
    border: 2px solid var(--color-primary);
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.15);
}

.career-date {
    font-weight: 600;
    color: var(--color-primary-dark);
    font-size: 0.9rem;
}

.career-card {
    background-color: #ffffff;
    border-radius: var(--radius-lg);
    padding: 1.4rem 1.6rem;
    box-shadow: 0 16px 35px rgba(15, 23, 42, 0.08);
    border: 1px solid rgba(148, 163, 184, 0.35);
    transition: transform var(--transition-med), box-shadow var(--transition-med), border-color var(--transition-med);
}

.career-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 22px 50px rgba(15, 23, 42, 0.15);
    border-color: rgba(37, 99, 235, 0.65);
}

.career-card h3 {
    margin: 0 0 0.9rem;
    font-size: 1.18rem;
    font-weight: 700;
    letter-spacing: -0.01em;
    color: var(--color-primary-dark);
    position: relative;
    padding-bottom: 0.5rem;
}

.career-card h3::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 44px;
    height: 3px;
    border-radius: 999px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
}

.career-location {
    margin: 0 0 0.65rem;
    font-size: 0.9rem;
    color: var(--color-muted);
}

.career-card ul {
    padding-left: 1.1rem;
    margin: 0;
    color: var(--color-muted);
    font-size: 0.9rem;
}

.vision {
    background-color: #ffffff;
}

.vision-list {
    list-style: none;
    padding: 0;
    margin: 1.5rem 0 0;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem 1.4rem;
}

.vision-list li {
    position: relative;
    padding: 0.85rem 0.9rem 0.85rem 2.1rem;
    font-size: 0.95rem;
    color: #334155;
    background: linear-gradient(145deg, #ffffff, #eef4ff);
    border: 1px solid rgba(59, 130, 246, 0.28);
    border-radius: 12px;
    box-shadow: 0 1px 2px rgba(30, 79, 191, 0.035);
    transition: transform var(--transition-med), box-shadow var(--transition-med), border-color var(--transition-med);
}

.vision-list li:hover {
    transform: translateY(-2px);
    border-color: rgba(37, 99, 235, 0.75);
    box-shadow: 0 1px 3px rgba(30, 79, 191, 0.045);
}

.vision-list li::before {
    content: "";
    position: absolute;
    left: 0.8rem;
    top: 1.05rem;
    width: 10px;
    height: 10px;
    border-radius: 999px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.16);
}

.vision-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1.4rem;
}

.vision-card {
    background: linear-gradient(150deg, #ffffff, #f7f9ff);
    border-radius: var(--radius-lg);
    padding: 1.5rem 1.45rem;
    border: 1px solid rgba(148, 163, 184, 0.45);
    box-shadow: 0 16px 35px rgba(15, 23, 42, 0.06);
    transition: transform var(--transition-med), box-shadow var(--transition-med), border-color var(--transition-med);
}

.vision-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 26px 60px rgba(15, 23, 42, 0.15);
    border-color: rgba(37, 99, 235, 0.75);
}

.vision-card h3 {
    margin: 0 0 0.5rem;
    font-size: 1.1rem;
}

.vision-card p {
    margin: 0 0 0.7rem;
    font-size: 0.9rem;
    color: var(--color-muted);
}

.vision-card ul {
    padding-left: 1.1rem;
    margin: 0;
    font-size: 0.9rem;
    color: var(--color-muted);
}

.social {
    background: linear-gradient(180deg, #e4edff 0%, #d8e6ff 100%);
}

.social-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.9rem;
}

.social-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    justify-content: flex-start;
    gap: 0.7rem;
    min-width: 190px;
    padding: 0.85rem 1.1rem;
    border-radius: 14px;
    color: #ffffff;
    font-size: 0.9rem;
    font-weight: 500;
    box-shadow: var(--shadow-soft);
    transition: transform var(--transition-med), box-shadow var(--transition-med), filter var(--transition-med);
}

.social-btn::before {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 28px;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.18);
    border: 1px solid rgba(255, 255, 255, 0.22);
    font-weight: 700;
    letter-spacing: -0.02em;
    content: "";
}

.social-btn span {
    pointer-events: none;
}

.social-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 18px 40px rgba(15, 23, 42, 0.18);
    filter: brightness(1.03) saturate(1.05);
}

.social-facebook {
    background: linear-gradient(135deg, #1877f2, #0f5bd6);
}

.social-contact {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
}

.social-contact::before {
    content: "☎";
}

.social-facebook::before {
    content: "f";
}

.social-twitter {
    background: linear-gradient(135deg, #111827, #0b1120);
}

.social-twitter::before {
    content: "X";
}

.social-instagram {
    background: linear-gradient(135deg, #d86aa9, #8a6bc7);
}

.social-instagram::before {
    content: "IG";
}

.social-linkedin {
    background: linear-gradient(135deg, #0a66c2, #084f96);
}

.social-linkedin::before {
    content: "in";
}

.contact {
    background-color: var(--color-bg);
}

.contact-form {
    background-color: #ffffff;
    border-radius: 26px;
    padding: 2rem 2rem 2.2rem;
    box-shadow: 0 22px 55px rgba(15, 23, 42, 0.12);
    border: 1px solid rgba(148, 163, 184, 0.4);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.3rem;
    margin-bottom: 1.2rem;
}

.form-row:last-of-type {
    margin-bottom: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.form-group label {
    font-size: 0.9rem;
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    border-radius: 14px;
    border: 1px solid rgba(148, 163, 184, 0.7);
    padding: 0.7rem 0.9rem;
    font-family: inherit;
    font-size: 0.92rem;
    outline: none;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background-color var(--transition-fast);
    background-color: #f9fafb;
}

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

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 1px rgba(37, 99, 235, 0.2);
    background-color: #ffffff;
}

.form-actions {
    display: flex;
    justify-content: flex-end;
}

.alert {
    border-radius: 16px;
    padding: 0.8rem 1rem;
    margin-bottom: 1.3rem;
    font-size: 0.9rem;
}

.alert-success {
    background-color: #ecfdf3;
    color: #14532d;
    border: 1px solid #4ade80;
}

.alert-error {
    background-color: #fef2f2;
    color: #7f1d1d;
    border: 1px solid #fca5a5;
}

.site-footer {
    background-color: #0b1120;
    color: rgba(148, 163, 184, 0.9);
    padding: 1.7rem 0;
    font-size: 0.85rem;
}

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

.footer-links {
    display: flex;
    gap: 1rem;
}

.footer-links a {
    color: rgba(148, 163, 184, 0.9);
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: #e5e7eb;
}

@media (max-width: 1024px) {
    .banner-content {
        grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
        gap: 2.4rem;
    }

    .vision-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .about-cards {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 768px) {
    .nav-container {
        padding: 0.7rem 0;
    }

    .main-nav {
        position: absolute;
        inset: 100% 0 auto;
        background-color: rgba(255, 255, 255, 0.98);
        flex-direction: column;
        align-items: flex-start;
        padding: 0.7rem 1.5rem 1rem;
        gap: 0.8rem;
        border-bottom: 1px solid rgba(148, 163, 184, 0.5);
        transform-origin: top;
        transform: scaleY(0.8);
        opacity: 0;
        pointer-events: none;
        transition: opacity var(--transition-fast), transform var(--transition-fast);
    }

    .main-nav.nav-open {
        opacity: 1;
        transform: scaleY(1);
        pointer-events: auto;
    }

    .nav-toggle {
        display: inline-flex;
    }

    .nav-toggle.nav-open span:nth-child(1) {
        transform: translateY(4px) rotate(45deg);
    }

    .nav-toggle.nav-open span:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle.nav-open span:nth-child(3) {
        transform: translateY(-4px) rotate(-45deg);
    }

    .banner {
        width: 100%;
    }

    .banner-arrow {
        width: 38px;
        height: 38px;
        font-size: 1.1rem;
    }

    .banner-arrow-prev {
        left: 0.5rem;
    }

    .banner-arrow-next {
        right: 0.5rem;
    }

    .banner-dots {
        bottom: 0.6rem;
    }

    .section {
        padding: 4rem 0;
    }

    .two-column {
        grid-template-columns: minmax(0, 1fr);
    }

    .about-stats {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .about-cards {
        grid-template-columns: minmax(0, 1fr);
    }

    .gallery-grid {
        grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
        gap: 0.85rem;
    }

    .career-item {
        grid-template-columns: minmax(0, 1fr);
        gap: 0.8rem;
    }

    .vision-grid {
        grid-template-columns: minmax(0, 1fr);
    }

    .vision-list {
        grid-template-columns: minmax(0, 1fr);
    }

    .form-row {
        grid-template-columns: minmax(0, 1fr);
    }

    .contact-form {
        padding: 1.5rem 1.3rem 1.7rem;
    }

    .footer-inner {
        flex-direction: column;
        align-items: flex-start;
    }
}

@media (max-width: 480px) {
    .banner h1 {
        font-size: 2.1rem;
    }

    .banner .subtitle {
        font-size: 0.95rem;
    }

    .banner-actions {
        flex-direction: column;
        align-items: flex-start;
    }

    .about-stats {
        grid-template-columns: minmax(0, 1fr);
    }
}