:root {
    --blue-950: #001a4d;
    --blue-900: #003a8c;
    --blue-700: #0059d6;
    --blue-500: #1f75ff;
    --blue-400: #4d93ff;
    --blue-200: #b3d0ff;
    --blue-100: #eaf2ff;
    --white: #ffffff;
    --ink: #0d2342;
    --line: rgba(180, 210, 255, 0.55);
    --shadow-sm: 0 2px 10px rgba(0, 58, 140, 0.1);
    --shadow: 0 8px 28px rgba(0, 58, 140, 0.16);
    --shadow-lg: 0 20px 48px rgba(0, 58, 140, 0.22);
    --radius: 16px;
    --trans: 0.24s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
    font-size: 15px;
    color: var(--ink);
    background:
        radial-gradient(ellipse 60% 40% at 10% 0%, rgba(31, 117, 255, 0.18), transparent),
        radial-gradient(ellipse 50% 35% at 90% 5%, rgba(0, 58, 140, 0.16), transparent),
        linear-gradient(170deg, #f0f7ff 0%, #f8fbff 55%, #eaf2ff 100%);
    min-height: 100vh;
}

/* ==============================
   LOGIN PAGE
   ============================== */

.login-body {
    display: grid;
    place-items: center;
    padding: 24px;
    min-height: 100vh;
}

.login-wrap {
    width: 100%;
    max-width: 390px;
}

.login-card {
    background: rgba(255, 255, 255, 0.88);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid rgba(180, 210, 255, 0.6);
    border-radius: 18px;
    box-shadow: var(--shadow-lg);
    padding: 28px;
}

.login-card h1 {
    margin: 0;
    font-size: 1.8rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    background: linear-gradient(135deg, var(--blue-950) 0%, var(--blue-500) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.login-subtitle {
    margin: 6px 0 20px;
    color: #5a7daa;
    font-size: 0.87rem;
}

.login-form {
    display: grid;
    gap: 9px;
}

label {
    font-weight: 600;
    font-size: 0.82rem;
    letter-spacing: 0.01em;
    color: var(--blue-900);
}

input {
    width: 100%;
    border: 1.5px solid rgba(160, 200, 255, 0.8);
    border-radius: 9px;
    padding: 9px 12px;
    background: rgba(255, 255, 255, 0.85);
    font-size: 0.9rem;
    color: var(--ink);
    transition: border-color var(--trans), box-shadow var(--trans);
    outline: none;
}

input:focus {
    border-color: var(--blue-500);
    box-shadow: 0 0 0 3px rgba(31, 117, 255, 0.14);
}

button {
    border: 0;
    border-radius: 9px;
    padding: 10px 14px;
    background: linear-gradient(135deg, var(--blue-700) 0%, var(--blue-500) 100%);
    color: var(--white);
    font-weight: 700;
    font-size: 0.9rem;
    cursor: pointer;
    transition: box-shadow var(--trans), transform var(--trans);
}

button:hover {
    box-shadow: 0 6px 22px rgba(31, 117, 255, 0.5);
    transform: translateY(-1px);
}

button:active {
    transform: translateY(0);
    box-shadow: none;
}

.message {
    margin-bottom: 16px;
    border-radius: 9px;
    padding: 10px 12px;
    font-size: 0.86rem;
    line-height: 1.4;
}

.message.error {
    background: #fff0f1;
    color: #8c0f1e;
    border: 1px solid #ffd0d4;
}

.message.success {
    background: #edfcf4;
    color: #0a6640;
    border: 1px solid #aeecd2;
}

/* ==============================
   APP LAYOUT
   ============================== */

.app-body {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* ==============================
   HERO BANNER
   ============================== */

.hero-banner {
    position: relative;
    width: 100%;
    height: 300px;
    background: url('../img/main-menu-img.jpg') center center / cover no-repeat;
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to bottom,
        rgba(0, 20, 70, 0.52) 0%,
        rgba(0, 10, 40, 0.65) 100%
    );
}

.hero-content {
    position: relative;
    z-index: 1;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 0 20px;
    gap: 6px;
}

.hero-title {
    margin: 0;
    font-size: clamp(1.9rem, 5vw, 3.6rem);
    font-weight: 900;
    letter-spacing: -0.03em;
    color: var(--white);
    text-shadow: 0 4px 28px rgba(0, 30, 100, 0.7);
}

.hero-sub {
    margin: 0;
    font-size: clamp(0.72rem, 1.8vw, 0.95rem);
    font-weight: 400;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: rgba(200, 225, 255, 0.88);
    text-shadow: 0 2px 12px rgba(0, 20, 80, 0.6);
}

/* ==============================
   STICKY HEADER — BLUE NAV
   ============================== */

.site-header {
    position: sticky;
    top: 0;
    z-index: 200;
    background: linear-gradient(135deg, var(--blue-950) 0%, var(--blue-900) 60%, #014090 100%);
    border-bottom: 1px solid rgba(100, 160, 255, 0.2);
    box-shadow: 0 4px 24px rgba(0, 20, 80, 0.45);
}

.header-inner {
    max-width: 100%;
    margin: 0 auto;
    padding: 0 32px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    height: 50px;
}

/* Navigation buttons */
.nav-bar {
    display: flex;
    gap: 22px;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    flex: 1;
    padding: 0;
}

.nav-btn {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 76px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.82rem;
    line-height: 1;
    padding: 4px 0;
    color: rgba(200, 225, 255, 0.85);
    background: transparent;
    border: 0;
    letter-spacing: 0.015em;
    white-space: nowrap;
    transition: color var(--trans), text-shadow var(--trans), transform var(--trans);
}

.nav-btn::after {
    content: '';
    position: absolute;
    left: 50%;
    bottom: -3px;
    width: 0;
    height: 2px;
    transform: translateX(-50%);
    background: linear-gradient(90deg, rgba(123, 184, 255, 0.55), rgba(255, 255, 255, 0.95), rgba(123, 184, 255, 0.55));
    border-radius: 999px;
    transition: width var(--trans), opacity var(--trans);
    opacity: 0.85;
}

.nav-btn:hover {
    color: var(--white);
    text-shadow: 0 0 14px rgba(140, 200, 255, 0.7);
    transform: translateY(-1px);
}

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

.nav-btn.active {
    color: var(--white);
    text-shadow: 0 0 16px rgba(140, 200, 255, 0.75);
}

.nav-btn.active::after {
    width: 100%;
}

/* Profile / logout */
.profile-box {
    display: flex;
    align-items: center;
    gap: 10px;
}

.profile-name {
    color: rgba(180, 210, 255, 0.8);
    font-size: 0.76rem;
    font-weight: 500;
}

.logout-link {
    text-decoration: none;
    color: rgba(200, 225, 255, 0.9);
    font-size: 0.76rem;
    font-weight: 600;
    padding: 5px 11px;
    border: 1.5px solid rgba(130, 185, 255, 0.35);
    border-radius: 999px;
    transition: background var(--trans), color var(--trans), border-color var(--trans), box-shadow var(--trans);
}

.logout-link:hover {
    background: rgba(255, 255, 255, 0.12);
    color: var(--white);
    border-color: rgba(160, 210, 255, 0.7);
    box-shadow: 0 0 16px rgba(100, 180, 255, 0.3);
}

/* Hamburger */
.hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 34px;
    height: 34px;
    padding: 6px;
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: 8px;
    cursor: pointer;
    transition: background var(--trans);
}

.hamburger:hover {
    background: rgba(255,255,255,0.16);
}

.hamburger span {
    display: block;
    height: 2px;
    border-radius: 2px;
    background: var(--white);
    transition: transform var(--trans), opacity var(--trans), width var(--trans);
}

.hamburger.open span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.hamburger.open span:nth-child(2) {
    opacity: 0;
    width: 0;
}

.hamburger.open span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* ==============================
   CONTENT AREA
   ============================== */

.app-shell {
    width: 100%;
    max-width: 1480px;
    margin: 0 auto;
    padding: 22px 32px;
    flex: 1;
}

.content-area {
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(180, 210, 255, 0.5);
    border-radius: 18px;
    box-shadow: var(--shadow);
    padding: 28px;
    min-height: 72vh;
}

/* ==============================
   SECTIONS
   ============================== */

.section-card h2 {
    margin: 0 0 8px;
    font-size: 1.38rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    background: linear-gradient(135deg, var(--blue-950) 0%, var(--blue-500) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-card > p {
    margin: 0 0 18px;
    color: #4a6b9a;
    line-height: 1.55;
    font-size: 0.88rem;
}

/* Carousel */
.carousel {
    position: relative;
    border-radius: 14px;
    overflow: hidden;
    background: #c6dcff;
    aspect-ratio: 16 / 9;
    box-shadow: var(--shadow);
}

.slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    transition: opacity 0.7s ease;
}

.slide.active {
    opacity: 1;
}

.slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.dots {
    position: absolute;
    left: 50%;
    bottom: 12px;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
    align-items: center;
}

.dot {
    width: 8px;
    height: 8px;
    border-radius: 999px;
    border: 0;
    background: rgba(255, 255, 255, 0.55);
    cursor: pointer;
    transition: width var(--trans), background var(--trans);
}

.dot.active {
    width: 20px;
    background: #ffffff;
}

/* Gallery */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
    gap: 10px;
}

.gallery-item {
    margin: 0;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid rgba(180, 210, 255, 0.5);
    background: #edf4ff;
    transition: transform var(--trans), box-shadow var(--trans);
}

.gallery-item:hover {
    transform: translateY(-5px) scale(1.01);
    box-shadow: var(--shadow);
}

.gallery-item img {
    display: block;
    width: 100%;
    height: 132px;
    object-fit: cover;
}

/* Journal */
.journal-list {
    display: grid;
    gap: 10px;
}

.journal-item {
    border: 1px solid rgba(180, 210, 255, 0.5);
    border-radius: 12px;
    background: linear-gradient(135deg, #f6faff, #ecf4ff);
    padding: 14px;
    transition: box-shadow var(--trans), transform var(--trans);
}

.journal-item:hover {
    box-shadow: var(--shadow-sm);
    transform: translateY(-2px);
}

.journal-item h3 {
    margin: 0 0 8px;
    color: var(--blue-900);
    font-weight: 700;
    font-size: 0.94rem;
}

.journal-item p {
    margin: 0;
    color: #4a6b9a;
    line-height: 1.55;
    font-size: 0.86rem;
}

/* About */
.about-box {
    border: 1px solid rgba(180, 210, 255, 0.5);
    border-radius: 12px;
    background: linear-gradient(135deg, #f6faff, #ecf4ff);
    padding: 14px;
    color: #3a5e8a;
    line-height: 1.55;
    font-size: 0.87rem;
}

.service-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 12px;
}

.service-tile {
    display: grid;
    justify-items: start;
    gap: 10px;
    padding: 16px 14px;
    border-radius: 12px;
    text-decoration: none;
    color: var(--blue-900);
    background: linear-gradient(135deg, rgba(246, 250, 255, 0.96), rgba(232, 242, 255, 0.98));
    border: 1px solid rgba(180, 210, 255, 0.65);
    box-shadow: var(--shadow-sm);
    transition: transform var(--trans), box-shadow var(--trans), border-color var(--trans), color var(--trans);
}

.service-tile:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow);
    border-color: rgba(77, 147, 255, 0.45);
    color: var(--blue-700);
}

.service-icon {
    display: inline-grid;
    place-items: center;
    width: 38px;
    height: 38px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--blue-950), var(--blue-700));
    color: var(--white);
}

.service-icon svg {
    width: 20px;
    height: 20px;
    fill: currentColor;
}

.service-title {
    font-size: 0.9rem;
    font-weight: 700;
    letter-spacing: 0.01em;
}

.empty-box {
    border: 1.5px dashed var(--blue-200);
    border-radius: 12px;
    padding: 22px;
    text-align: center;
    color: #6a8cbc;
    font-size: 0.85rem;
}

/* ==============================
   FOOTER
   ============================== */

.site-footer {
    margin-top: auto;
    background: linear-gradient(135deg, var(--blue-950) 0%, var(--blue-900) 60%, #014090 100%);
    border-top: 1px solid rgba(100, 160, 255, 0.2);
    box-shadow: 0 -4px 24px rgba(0, 20, 80, 0.3);
}

.site-footer-inner {
    max-width: 1480px;
    margin: 0 auto;
    padding: 22px 32px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 14px;
}

.footer-social {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    justify-content: center;
}

.social-link {
    display: flex;
    align-items: center;
    gap: 6px;
    text-decoration: none;
    color: rgba(200, 225, 255, 0.85);
    font-size: 0.82rem;
    font-weight: 600;
    padding: 7px 14px;
    border: 1px solid rgba(130, 185, 255, 0.3);
    border-radius: 999px;
    background: rgba(255,255,255,0.07);
    transition: color var(--trans), background var(--trans), border-color var(--trans), box-shadow var(--trans), transform var(--trans);
}

.social-link:hover {
    color: var(--white);
    background: rgba(255,255,255,0.14);
    border-color: rgba(160, 210, 255, 0.6);
    box-shadow: 0 0 18px rgba(80, 160, 255, 0.4);
    transform: translateY(-2px);
}

.footer-copy {
    margin: 0;
    color: rgba(160, 200, 255, 0.6);
    font-size: 0.76rem;
}

/* ==============================
   RESPONSIVE
   ============================== */

@media (max-width: 900px) {
    .hero-banner {
        height: 210px;
    }

    .app-shell {
        padding: 16px;
    }

    .content-area {
        padding: 20px;
        border-radius: 16px;
    }

    .header-inner {
        padding: 0 18px;
    }

    .site-footer-inner {
        padding: 22px 18px;
    }
}

@media (max-width: 700px) {
    .hamburger {
        display: flex;
    }

    .header-inner {
        flex-wrap: wrap;
        height: auto;
        padding: 7px 18px;
        gap: 6px;
    }

    .nav-bar {
        display: none;
        flex-direction: column;
        gap: 2px;
        width: 100%;
        padding: 4px 0 8px;
        order: 3;
    }

    .nav-bar.open {
        display: flex;
    }

    .nav-btn {
        min-width: 0;
        justify-content: flex-start;
        font-size: 0.84rem;
        padding: 9px 0;
    }

    .header-right {
        order: 2;
        flex-shrink: 0;
    }

    .profile-box .profile-name {
        display: none;
    }

    .hero-banner {
        height: 160px;
    }

    .service-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 10px;
    }

    .service-tile {
        padding: 14px 12px;
    }

    .hero-title {
        font-size: 1.55rem;
    }

    .login-card {
        padding: 24px;
    }
}