:root {
    --primary: #0f6c8d;
    --primary-strong: #0b4f68;
    --primary-soft: #dff2fb;
    --accent: #d97706;
    --dark: #0f172a;
    --surface: rgba(255, 255, 255, 0.9);
    --surface-strong: #ffffff;
    --body: #526077;
    --border: rgba(148, 163, 184, 0.28);
    --box-shadow: 0 24px 60px rgba(15, 23, 42, 0.12);
    --soft-shadow: 0 18px 38px rgba(15, 23, 42, 0.08);
    --radius-lg: 24px;
    --radius-md: 18px;
    --radius-sm: 12px;
}

html {
    scroll-behavior: smooth;
}

body {
    min-height: 100vh;
    font-family: "Trebuchet MS", "Segoe UI", sans-serif;
    line-height: 1.7;
    color: var(--body);
    background:
        radial-gradient(circle at top left, rgba(14, 165, 233, 0.12), transparent 34%),
        radial-gradient(circle at top right, rgba(15, 118, 110, 0.1), transparent 28%),
        linear-gradient(180deg, #f8fbfd 0%, #eef4f9 100%);
}

h1,
h2,
h3,
h4,
h5,
h6,
.display-4 {
    color: var(--dark);
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -0.03em;
}

p,
article,
small,
label,
li {
    color: var(--body);
}

a {
    color: var(--dark);
    text-decoration: none;
    transition: color 0.25s ease, opacity 0.25s ease, transform 0.25s ease;
}

a:hover {
    color: var(--primary);
}

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

section {
    padding-top: 72px;
    padding-bottom: 88px;
}

.navbar {
    padding: 0.95rem 0;
    background: rgba(248, 250, 252, 0.86);
    backdrop-filter: blur(18px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.35);
    box-shadow: 0 10px 30px rgba(15, 23, 42, 0.06);
}

.navbar.bg-dark.navbar-dark {
    background: rgba(15, 23, 42, 0.9);
    border-bottom-color: rgba(148, 163, 184, 0.18);
}

.navbar-brand {
    display: inline-flex;
    align-items: center;
}

.logo {
    max-height: 62px;
    width: auto;
}

.navbar .nav-link {
    position: relative;
    margin-left: 0.4rem;
    padding: 0.7rem 0.95rem;
    border-radius: 999px;
    color: rgba(15, 23, 42, 0.82);
    font-size: 0.92rem;
    font-weight: 500;
}

.navbar .nav-link::after {
    content: "";
    position: absolute;
    left: 0.95rem;
    right: 0.95rem;
    bottom: 0.48rem;
    height: 2px;
    border-radius: 999px;
    background: linear-gradient(90deg, var(--primary), rgba(15, 108, 141, 0));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.25s ease;
}

.navbar .nav-link:hover,
.navbar .nav-link.active {
    color: var(--dark);
    background: rgba(255, 255, 255, 0.66);
}

.navbar .nav-link:hover::after,
.navbar .nav-link.active::after {
    transform: scaleX(1);
}

.navbar.navbar-dark .nav-link {
    color: rgba(255, 255, 255, 0.82);
}

.navbar.navbar-dark .nav-link:hover,
.navbar.navbar-dark .nav-link.active {
    color: #ffffff;
    background: rgba(255, 255, 255, 0.08);
}

.hero {
    min-height: 100vh;
    padding-top: 8rem;
    padding-bottom: 4rem;
    background-position: center;
    background-size: cover;
    background-attachment: fixed;
    position: relative;
    overflow: hidden;
    z-index: 2;
}

.hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 20% 20%, rgba(125, 211, 252, 0.28), transparent 32%),
        radial-gradient(circle at 80% 18%, rgba(16, 185, 129, 0.2), transparent 24%);
    z-index: -1;
}

.hero::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(8, 15, 31, 0.88), rgba(15, 108, 141, 0.58));
    z-index: -1;
}

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

.hero .display-4 {
    color: #ffffff;
    font-size: clamp(2.6rem, 5vw, 4.8rem);
    text-shadow: 0 12px 40px rgba(0, 0, 0, 0.24);
}

.hero article {
    max-width: 52rem;
    margin-right: auto;
    margin-left: auto;
    font-size: 1.02rem;
    color: rgba(255, 255, 255, 0.84);
}

.btn {
    border-radius: 999px;
    font-weight: 600;
    letter-spacing: 0.01em;
    padding: 0.82rem 1.45rem;
    transition: transform 0.22s ease, box-shadow 0.22s ease, background-color 0.22s ease, border-color 0.22s ease;
}

.btn:hover {
    transform: translateY(-2px);
}

.btn-danger,
.btn-primary {
    border-color: transparent;
    background: linear-gradient(135deg, var(--primary), var(--primary-strong));
    box-shadow: 0 14px 30px rgba(15, 108, 141, 0.22);
}

.btn-danger:hover,
.btn-primary:hover,
.btn-danger:focus,
.btn-primary:focus {
    border-color: transparent;
    background: linear-gradient(135deg, var(--primary-strong), #08384a);
    box-shadow: 0 18px 36px rgba(15, 108, 141, 0.28);
}

.btn-outline-light {
    border-width: 1px;
    border-color: rgba(255, 255, 255, 0.72);
    color: #ffffff;
    background: rgba(255, 255, 255, 0.06);
}

.btn-outline-light:hover,
.btn-outline-light:focus {
    color: var(--dark);
    background: #ffffff;
    border-color: #ffffff;
    box-shadow: 0 18px 35px rgba(8, 15, 31, 0.22);
}

.card,
.card-effect {
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    background: var(--surface-strong);
    box-shadow: var(--soft-shadow);
}

.card {
    overflow: hidden;
}

.card .card {
    border: 0;
    border-radius: 0;
    box-shadow: none;
    background: transparent;
}

.card-effect {
    position: relative;
    height: 100%;
    overflow: hidden;
    padding: 0;
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.card-effect:hover {
    transform: translateY(-8px);
    border-color: rgba(15, 108, 141, 0.26);
    box-shadow: var(--box-shadow);
}

.card-effect > img,
.card img.img-fluid {
    aspect-ratio: 16 / 10;
    object-fit: cover;
}

.card-body {
    padding: 1.75rem;
}

.card-title {
    margin-bottom: 0.8rem;
    font-weight: 700;
}

.card-text,
.card-body small {
    color: var(--body);
}

.card-effect .position-absolute.bg-dark.rounded {
    top: 1rem;
    left: 1rem;
    z-index: 2;
    background: rgba(15, 23, 42, 0.82);
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: 999px;
    backdrop-filter: blur(12px);
}

.input-group,
.form-signin,
.form-registration {
    position: relative;
}

.form-control,
.form-select,
.form-floating > .form-control,
.form-floating > .form-select {
    min-height: 3.35rem;
    border-radius: var(--radius-sm);
    border: 1px solid rgba(148, 163, 184, 0.34);
    background: rgba(255, 255, 255, 0.95);
    color: var(--dark);
    box-shadow: none;
}

.form-control:focus,
.form-select:focus,
.form-floating > .form-control:focus,
.form-floating > .form-select:focus {
    border-color: rgba(15, 108, 141, 0.45);
    box-shadow: 0 0 0 0.25rem rgba(15, 108, 141, 0.12);
}

.input-group > .btn {
    margin-left: 0.6rem;
}

.form-signin .form-floating:focus-within {
    z-index: 2;
}

.form-signin input[type="email"] {
    margin-bottom: -1px;
    border-bottom-right-radius: 0;
    border-bottom-left-radius: 0;
}

.form-signin input[type="password"] {
    margin-bottom: 10px;
    border-top-left-radius: 0;
    border-top-right-radius: 0;
}

.form-registration input {
    border-radius: var(--radius-sm);
    margin-bottom: 0.85rem;
}

.pagination {
    gap: 0.5rem;
}

.page-link {
    border: 1px solid rgba(148, 163, 184, 0.28);
    border-radius: 12px;
    color: var(--dark);
    min-width: 2.75rem;
    text-align: center;
    box-shadow: 0 8px 20px rgba(15, 23, 42, 0.06);
}

.page-link:hover,
.page-item.active .page-link {
    color: #ffffff;
    border-color: transparent;
    background: linear-gradient(135deg, var(--primary), var(--primary-strong));
}

.sticky-footer {
    position: sticky;
    top: 100%;
    margin-top: 4rem;
}

.footer-top {
    padding-top: 3rem;
    padding-bottom: 3rem;
    background:
        radial-gradient(circle at top left, rgba(14, 165, 233, 0.16), transparent 26%),
        linear-gradient(135deg, #0f172a, #162841 58%, #0f3c53 100%);
}

.footer-top h4 {
    margin-bottom: 1rem;
    color: #ffffff;
    font-size: 1rem;
    letter-spacing: 0.02em;
}

.footer-top a,
.footer-top li,
.footer-bottom small {
    color: rgba(226, 232, 240, 0.8);
}

.footer-top a:hover {
    color: #ffffff;
}

.footer-top ul {
    padding-left: 0;
}

.footer-top li {
    margin-bottom: 0.55rem;
}

.map iframe {
    width: 100%;
    height: 100%;
    min-height: 260px;
    border: 0;
    border-radius: var(--radius-md);
    box-shadow: 0 16px 38px rgba(8, 15, 31, 0.25);
}

.footer-bottom {
    background: #0b1220;
}

.pdfobject-container {
    border: 1px solid rgba(148, 163, 184, 0.22);
    border-radius: var(--radius-lg);
    box-shadow: var(--box-shadow);
    overflow: hidden;
}

@media (max-width: 991.98px) {
    .navbar-collapse {
        margin-top: 1rem;
        padding: 1rem;
        border-radius: var(--radius-md);
        background: rgba(255, 255, 255, 0.94);
        box-shadow: var(--soft-shadow);
    }

    .navbar-dark .navbar-collapse {
        background: rgba(15, 23, 42, 0.94);
    }

    .navbar .nav-link {
        margin-left: 0;
        margin-bottom: 0.35rem;
    }

    .hero {
        background-attachment: scroll;
    }
}

@media (max-width: 767.98px) {
    section {
        padding-top: 60px;
        padding-bottom: 72px;
    }

    .hero {
        min-height: auto;
        padding-top: 7rem;
    }

    .hero .display-4 {
        font-size: clamp(2.2rem, 10vw, 3.2rem);
    }

    .card-body {
        padding: 1.35rem;
    }

    .btn {
        width: 100%;
        margin-bottom: 0.75rem;
    }

    .hero .btn {
        width: auto;
        min-width: 12rem;
    }

    .input-group {
        flex-direction: column;
    }

    .input-group > .form-control,
    .input-group > .form-select {
        width: 100%;
    }

    .input-group > .btn {
        width: 100%;
        margin-top: 0.75rem;
        margin-left: 0;
    }
}