/* ==========================================================================
   POLTEKPEL SURABAYA - POLARIS LIBRARY & PRESS THEME
   Clean, Elegant, Modern Maritime Academic UI (Matching polaris-library.poltekpel-sby.ac.id)
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&family=Inter:wght@400;500;600;700&display=swap');

:root {
    --polaris-primary: #1d4ed8;       /* Deep Maritime Blue */
    --polaris-primary-hover: #1e40af;
    --polaris-primary-light: #eff6ff;
    --polaris-primary-border: #bfdbfe;

    --polaris-accent: #0284c7;        /* Sky Cyan */
    --polaris-accent-light: #e0f2fe;

    --polaris-gold: #d97706;          /* Amber Gold for Ratings/Pilihan */
    --polaris-gold-light: #fef3c7;

    --polaris-green: #16a34a;
    --polaris-green-light: #dcfce7;

    --polaris-bg: #f8fafc;            /* Crisp clean page background */
    --polaris-surface: #ffffff;
    --polaris-surface-alt: #f1f5f9;

    --polaris-text-dark: #0f172a;     /* Slate 900 */
    --polaris-text-main: #334155;     /* Slate 700 */
    --polaris-text-muted: #64748b;    /* Slate 500 */
    --polaris-text-light: #94a3b8;    /* Slate 400 */

    --polaris-border: #e2e8f0;
    --polaris-border-hover: #cbd5e1;

    --polaris-shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --polaris-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
    --polaris-shadow-md: 0 10px 20px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
    --polaris-shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.08), 0 8px 10px -6px rgba(0, 0, 0, 0.04);
    --polaris-shadow-mega: 0 25px 50px -12px rgba(15, 23, 42, 0.15);

    --polaris-radius-sm: 6px;
    --polaris-radius: 12px;
    --polaris-radius-lg: 18px;
    --polaris-radius-pill: 9999px;

    --polaris-font: 'Plus Jakarta Sans', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

/* Mobile navigation refinement */
@media (max-width: 767.98px) {
    .polaris-navbar .container-fluid { padding-left: 14px; padding-right: 14px; }
    .polaris-navbar .row { flex-wrap: nowrap; }
    .polaris-navbar .col-8 { flex: 1 1 auto; max-width: none; min-width: 0; }
    .polaris-navbar .col-4 { flex: 0 0 auto; width: auto; max-width: none; display: flex; justify-content: flex-end; min-width: 52px; padding-left: 6px; }
    .polaris-brand { gap: 8px; min-width: 0; }
    .polaris-brand-logo { height: 34px; flex: 0 0 auto; }
    .polaris-brand-title { font-size: 14px; white-space: nowrap; }
    .polaris-brand-subtitle { font-size: 8px; }
    .polaris-nav-wrapper { width: 100%; justify-content: flex-end; }
    .canvas__open { position: fixed; top: 5px; right: 14px; z-index: 1100; margin: 0 !important; display: block; }
    .canvas__open { border: 0 !important; background: transparent !important; padding: 0 !important; }
    .canvas__open button { width: 44px; height: 42px; display: inline-flex; align-items: center; justify-content: center; padding: 0; border: 0; border-radius: 10px; background: var(--polaris-primary); color: #fff; box-shadow: 0 5px 14px rgba(23, 70, 181, .22); }
    .canvas__open button i { color: var(--polaris-text-dark) !important; font-size: 20px; }
    .canvas__open button:focus,
    .canvas__open button:active,
    .canvas__open button:focus-visible { border: 0 !important; outline: none !important; box-shadow: 0 5px 14px rgba(23, 70, 181, .22) !important; }
}

/* Base resets */
body.polaris-theme {
    background-color: var(--polaris-bg);
    color: var(--polaris-text-main);
    font-family: var(--polaris-font);
    font-size: 15px;
    line-height: 1.6;
    overflow-x: hidden;
}

.polaris-theme h1,
.polaris-theme h2,
.polaris-theme h3,
.polaris-theme h4,
.polaris-theme h5,
.polaris-theme h6 {
    font-family: var(--polaris-font);
    font-weight: 700;
    letter-spacing: -0.02em;
}

/* ==========================================================================
   POLARIS TOP BAR & NAVBAR (DESKTOP DEFAULT)
   ========================================================================== */
.polaris-topbar {
    background: #0f172a;
    color: #94a3b8;
    font-size: 12.5px;
    padding: 7px 0;
    border-bottom: 1px solid #1e293b;
}

.polaris-topbar a {
    color: #cbd5e1;
    text-decoration: none;
    transition: color 0.2s ease;
}

.polaris-topbar a:hover {
    color: #38bdf8;
}

.polaris-navbar {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--polaris-border);
    position: sticky;
    top: 0;
    z-index: 1050;
    box-shadow: 0 4px 20px rgba(15, 23, 42, 0.04);
    padding: 8px 0;
    transition: all 0.3s ease;
}

.polaris-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none !important;
}

.polaris-brand-logo {
    height: 44px;
    width: auto;
}

.polaris-brand-title {
    font-size: 18.5px;
    font-weight: 800;
    color: var(--polaris-primary);
    line-height: 1.1;
    margin: 0;
    letter-spacing: -0.01em;
}

.polaris-brand-title span {
    color: var(--polaris-accent);
}

.polaris-brand-subtitle {
    font-size: 10.5px;
    font-weight: 700;
    color: var(--polaris-text-muted);
    letter-spacing: 0.8px;
    margin: 0;
    text-transform: uppercase;
}

/* Primary Navigation Menu */
.polaris-nav-wrapper {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 8px;
}

.polaris-nav-menu {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
    gap: 4px;
}

.polaris-nav-item {
    position: relative;
}

.polaris-nav-link {
    font-size: 14.5px;
    font-weight: 600;
    color: var(--polaris-text-main);
    padding: 9px 15px;
    border-radius: var(--polaris-radius-pill);
    text-decoration: none !important;
    transition: all 0.22s ease;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
}

.polaris-nav-link i.nav-chevron {
    font-size: 10px;
    color: var(--polaris-text-light);
    transition: transform 0.25s ease, color 0.2s ease;
}

.polaris-nav-link:hover,
.polaris-nav-item:hover > .polaris-nav-link,
.polaris-nav-link.active {
    color: var(--polaris-primary);
    background-color: var(--polaris-primary-light);
}

.polaris-nav-item:hover > .polaris-nav-link i.nav-chevron {
    transform: rotate(180deg);
    color: var(--polaris-primary);
}

/* ==========================================================================
   ELEGANT MEGAMENU DROPDOWN (DESKTOP)
   ========================================================================== */
.polaris-nav-item.has-megamenu {
    position: static;
}

.polaris-megamenu {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    width: 100%;
    background: #ffffff;
    border-top: 1px solid var(--polaris-border);
    border-bottom: 1px solid var(--polaris-border);
    box-shadow: var(--polaris-shadow-mega);
    padding: 30px 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(12px);
    transition: opacity 0.25s cubic-bezier(0.16, 1, 0.3, 1), transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.25s;
    pointer-events: none;
    z-index: 1100;
}

.polaris-nav-item.has-megamenu:hover .polaris-megamenu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    pointer-events: auto;
}

/* Standard Dropdown Submenu */
.polaris-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 240px;
    background: #ffffff;
    border: 1px solid var(--polaris-border);
    border-radius: var(--polaris-radius);
    box-shadow: var(--polaris-shadow-lg);
    padding: 8px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    pointer-events: none;
    z-index: 1100;
    list-style: none;
    margin: 4px 0 0 0;
}

.polaris-nav-item:hover > .polaris-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    pointer-events: auto;
}

.polaris-dropdown-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 14px;
    border-radius: 8px;
    font-size: 13.5px;
    font-weight: 600;
    color: var(--polaris-text-main);
    text-decoration: none !important;
    transition: all 0.2s ease;
}

.polaris-dropdown-item:hover {
    color: var(--polaris-primary);
    background-color: var(--polaris-primary-light);
    transform: translateX(3px);
}

.polaris-dropdown-item i {
    color: var(--polaris-primary);
    font-size: 14px;
    width: 16px;
    text-align: center;
}

/* Megamenu Grid Components */
.megamenu-header-title {
    font-size: 12px;
    font-weight: 800;
    color: var(--polaris-primary);
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 16px;
    padding-bottom: 6px;
    border-bottom: 2px solid var(--polaris-primary-light);
}

.megamenu-item-link {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 12px 14px;
    border-radius: var(--polaris-radius);
    text-decoration: none !important;
    transition: all 0.2s ease;
    margin-bottom: 6px;
}

.megamenu-item-link:hover {
    background-color: var(--polaris-primary-light);
    transform: translateX(4px);
}

.megamenu-icon-box {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    flex-shrink: 0;
    transition: transform 0.2s ease;
}

.megamenu-item-link:hover .megamenu-icon-box {
    transform: scale(1.08);
}

.megamenu-icon-box.blue {
    background: #dbeafe;
    color: #1d4ed8;
}

.megamenu-icon-box.cyan {
    background: #e0f2fe;
    color: #0284c7;
}

.megamenu-icon-box.amber {
    background: #fef3c7;
    color: #d97706;
}

.megamenu-icon-box.emerald {
    background: #dcfce7;
    color: #16a34a;
}

.megamenu-icon-box.indigo {
    background: #e0e7ff;
    color: #4338ca;
}

.megamenu-title {
    font-size: 14px;
    font-weight: 700;
    color: var(--polaris-text-dark);
    margin: 0 0 2px 0;
    line-height: 1.3;
}

.megamenu-desc {
    font-size: 12px;
    color: var(--polaris-text-muted);
    margin: 0;
    line-height: 1.4;
}

.megamenu-spotlight-card {
    background: linear-gradient(135deg, #1e40af 0%, #0369a1 100%);
    border-radius: var(--polaris-radius);
    padding: 24px;
    color: #ffffff;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    box-shadow: 0 10px 20px rgba(3, 105, 161, 0.2);
    position: relative;
    overflow: hidden;
}

.megamenu-spotlight-card::after {
    content: '';
    position: absolute;
    top: -50px;
    right: -50px;
    width: 140px;
    height: 140px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    pointer-events: none;
}

.megamenu-spotlight-card h5 {
    color: #ffffff;
    font-size: 16px;
    font-weight: 800;
    margin-bottom: 8px;
}

.megamenu-spotlight-card p {
    color: #e0f2fe;
    font-size: 12.5px;
    line-height: 1.5;
    margin-bottom: 18px;
}

/* ==========================================================================
   BUTTONS (POLARIS STYLE)
   ========================================================================== */
.polaris-btn-primary {
    background-color: var(--polaris-primary);
    color: #ffffff !important;
    font-size: 14px;
    font-weight: 600;
    padding: 9px 20px;
    border-radius: var(--polaris-radius-pill);
    border: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    text-decoration: none !important;
    box-shadow: 0 4px 12px rgba(29, 78, 216, 0.25);
    transition: all 0.2s ease;
    white-space: nowrap;
}

.polaris-btn-primary:hover {
    background-color: var(--polaris-primary-hover);
    box-shadow: 0 6px 16px rgba(29, 78, 216, 0.35);
    transform: translateY(-1px);
}

.polaris-btn-outline {
    background-color: #ffffff;
    color: var(--polaris-primary) !important;
    font-size: 14px;
    font-weight: 600;
    padding: 8px 18px;
    border-radius: var(--polaris-radius-pill);
    border: 1.5px solid var(--polaris-primary-border);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    text-decoration: none !important;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.polaris-btn-outline:hover {
    background-color: var(--polaris-primary-light);
    border-color: var(--polaris-primary);
    color: var(--polaris-primary) !important;
}

.polaris-btn-dark {
    background-color: #0f172a;
    color: #ffffff !important;
    font-size: 14px;
    font-weight: 600;
    padding: 9px 20px;
    border-radius: var(--polaris-radius-pill);
    border: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    text-decoration: none !important;
    transition: all 0.2s ease;
}

.polaris-btn-dark:hover {
    background-color: #1e293b;
    color: #ffffff !important;
    transform: translateY(-1px);
}

/* ==========================================================================
   HERO SECTION (POLARIS WELCOME)
   ========================================================================== */
.polaris-hero {
    background: linear-gradient(135deg, #ffffff 0%, #f0f7ff 60%, #e0f2fe 100%);
    padding: 60px 0 50px 0;
    position: relative;
    border-bottom: 1px solid var(--polaris-border);
}

.polaris-hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: #ffffff;
    color: var(--polaris-primary);
    border: 1px solid var(--polaris-primary-border);
    padding: 6px 14px;
    border-radius: var(--polaris-radius-pill);
    font-size: 12.5px;
    font-weight: 700;
    margin-bottom: 20px;
    box-shadow: var(--polaris-shadow-sm);
}

.polaris-hero-title {
    font-size: 3rem;
    font-weight: 800;
    line-height: 1.15;
    color: var(--polaris-text-dark);
    margin-bottom: 18px;
}

.polaris-hero-title span {
    color: var(--polaris-primary);
}

.polaris-hero-subtitle {
    font-size: 1.1rem;
    color: var(--polaris-text-muted);
    max-width: 600px;
    line-height: 1.7;
    margin-bottom: 30px;
}

/* ==========================================================================
   POLARIS SERVICE CARDS (E-LIBRARY & PRESS)
   ========================================================================== */
.polaris-service-card {
    background: #ffffff;
    border: 1.5px solid var(--polaris-border);
    border-radius: var(--polaris-radius);
    padding: 28px;
    height: 100%;
    display: flex;
    flex-direction: column;
    box-shadow: var(--polaris-shadow-sm);
    transition: all 0.3s ease;
}

.polaris-service-card:hover {
    border-color: var(--polaris-primary-border);
    box-shadow: var(--polaris-shadow-md);
    transform: translateY(-3px);
}

.polaris-service-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    margin-bottom: 18px;
}

.polaris-service-icon.blue {
    background: var(--polaris-primary-light);
    color: var(--polaris-primary);
}

.polaris-service-icon.cyan {
    background: var(--polaris-accent-light);
    color: var(--polaris-accent);
}

.polaris-service-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--polaris-text-dark);
    margin-bottom: 10px;
}

.polaris-service-desc {
    font-size: 14px;
    color: var(--polaris-text-muted);
    line-height: 1.6;
    margin-bottom: 20px;
    flex: 1;
}

.polaris-service-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

/* ==========================================================================
   POLARIS SEARCH BAR
   ========================================================================== */
.polaris-search-section {
    padding: 35px 0;
    background: #ffffff;
    border-bottom: 1px solid var(--polaris-border);
}

.polaris-search-box {
    background: #f8fafc;
    border: 1.5px solid var(--polaris-border);
    border-radius: var(--polaris-radius);
    padding: 8px 12px;
    display: flex;
    align-items: center;
    gap: 10px;
    transition: all 0.2s ease;
}

.polaris-search-box:focus-within {
    border-color: var(--polaris-primary);
    background: #ffffff;
    box-shadow: 0 0 0 4px var(--polaris-primary-light);
}

.polaris-search-input {
    flex: 1;
    border: none;
    background: transparent;
    padding: 10px 12px;
    font-size: 15px;
    color: var(--polaris-text-dark);
    font-weight: 500;
    outline: none;
}

.polaris-search-input::placeholder {
    color: var(--polaris-text-light);
}

.polaris-search-chips {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    margin-top: 14px;
}

.polaris-search-chip {
    background: #f1f5f9;
    color: var(--polaris-text-main);
    font-size: 12px;
    font-weight: 600;
    padding: 4px 12px;
    border-radius: var(--polaris-radius-pill);
    text-decoration: none !important;
    transition: all 0.2s ease;
}

.polaris-search-chip:hover {
    background: var(--polaris-primary-light);
    color: var(--polaris-primary);
}

/* ==========================================================================
   BOOK CARDS (MATCHING POLARIS / SLiMS)
   ========================================================================== */
.polaris-section {
    padding: 60px 0;
}

.polaris-section-header {
    margin-bottom: 35px;
}

.polaris-section-tag {
    font-size: 12px;
    font-weight: 700;
    color: var(--polaris-primary);
    text-transform: uppercase;
    letter-spacing: 1px;
    display: block;
    margin-bottom: 6px;
}

.polaris-section-title {
    font-size: 1.85rem;
    font-weight: 800;
    color: var(--polaris-text-dark);
    margin-bottom: 8px;
}

.polaris-section-desc {
    color: var(--polaris-text-muted);
    font-size: 14.5px;
    margin: 0;
}

.polaris-book-card {
    background: #ffffff;
    border: 1px solid var(--polaris-border);
    border-radius: var(--polaris-radius);
    padding: 16px;
    height: 100%;
    display: flex;
    flex-direction: column;
    position: relative;
    box-shadow: var(--polaris-shadow-sm);
    transition: all 0.3s ease;
}

.polaris-book-card:hover {
    border-color: var(--polaris-primary-border);
    box-shadow: var(--polaris-shadow-md);
    transform: translateY(-4px);
}

.polaris-book-badge-pilihan {
    position: absolute;
    top: 24px;
    left: 24px;
    background: var(--polaris-gold);
    color: #ffffff;
    font-size: 11px;
    font-weight: 700;
    padding: 3px 10px;
    border-radius: var(--polaris-radius-pill);
    z-index: 2;
    box-shadow: 0 2px 6px rgba(217, 119, 6, 0.3);
}

.polaris-book-rating {
    position: absolute;
    top: 24px;
    right: 24px;
    background: #ffffff;
    color: var(--polaris-text-dark);
    font-size: 11.5px;
    font-weight: 700;
    padding: 3px 8px;
    border-radius: var(--polaris-radius-pill);
    border: 1px solid var(--polaris-border);
    display: flex;
    align-items: center;
    gap: 4px;
    z-index: 2;
    box-shadow: var(--polaris-shadow-sm);
}

.polaris-book-rating i {
    color: #f59e0b;
}

.polaris-book-img-wrap {
    height: 240px;
    background: #f8fafc;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    margin-bottom: 14px;
}

.polaris-book-img-wrap img {
    max-height: 100%;
    max-width: 100%;
    object-fit: cover;
    border-radius: 6px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.polaris-book-card:hover .polaris-book-img-wrap img {
    transform: scale(1.04);
}

.polaris-book-body {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.polaris-book-title {
    font-size: 15.5px;
    font-weight: 700;
    color: var(--polaris-text-dark);
    line-height: 1.4;
    margin-bottom: 6px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.polaris-book-author {
    font-size: 13px;
    color: var(--polaris-text-muted);
    margin-bottom: 8px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.polaris-book-meta {
    font-size: 12px;
    color: var(--polaris-text-light);
    margin-bottom: 14px;
}

.polaris-book-meta div {
    margin-bottom: 2px;
}

.polaris-book-btn {
    margin-top: auto;
    width: 100%;
    text-align: center;
}

.polaris-book-btn .polaris-btn-primary,
.polaris-book-btn .polaris-btn-outline {
    min-height: 42px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.95rem;
    font-weight: 800;
}

/* ==========================================================================
   STATISTICS & VISITOR COUNTER
   ========================================================================== */
.polaris-stats-strip {
    background: #ffffff;
    border: 1px solid var(--polaris-border);
    border-radius: var(--polaris-radius);
    padding: 30px 20px;
    box-shadow: var(--polaris-shadow-sm);
}

.polaris-stat-box {
    text-align: center;
    padding: 10px;
}

.polaris-stat-number {
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--polaris-primary);
    line-height: 1;
    margin-bottom: 6px;
}

.polaris-stat-label {
    font-size: 12.5px;
    font-weight: 600;
    color: var(--polaris-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ==========================================================================
   HIGH-CONTRAST DEEP MARITIME FOOTER
   ========================================================================== */
.polaris-footer {
    background: linear-gradient(180deg, #0f172a 0%, #090e17 100%);
    border-top: 1px solid #1e293b;
    padding: 65px 0 25px 0;
    color: #94a3b8;
    position: relative;
}

.polaris-footer .polaris-brand-title {
    color: #ffffff;
}

.polaris-footer .polaris-brand-title span {
    color: #38bdf8;
}

.polaris-footer-title {
    font-size: 15px;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 18px;
    letter-spacing: 0.3px;
    position: relative;
    padding-bottom: 8px;
}

.polaris-footer-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 28px;
    height: 2px;
    background: #38bdf8;
    border-radius: 2px;
}

.polaris-footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.polaris-footer-links li {
    margin-bottom: 11px;
}

.polaris-footer-links a {
    color: #ffffff;
    font-size: 14px;
    text-decoration: none;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
}

.polaris-footer-links a:hover {
    color: #38bdf8;
    transform: translateX(4px);
}

.polaris-footer-links a i {
    color: #38bdf8;
    font-size: 13px;
    margin-right: 6px;
    transition: transform 0.2s ease;
}

.polaris-footer-contact-item {
    font-size: 13.5px;
    color: #ffffff;
    margin-bottom: 10px;
    line-height: 1.6;
}

.polaris-footer-contact-item a {
    color: #ffffff;
    text-decoration: none;
    transition: color 0.2s ease;
}

.polaris-footer-contact-item a:hover {
    color: #38bdf8;
}

.polaris-footer-contact-item i {
    width: 18px;
    color: #38bdf8;
    margin-right: 6px;
}

.polaris-footer-stat-card {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 16px 20px;
    backdrop-filter: blur(8px);
}

.polaris-footer-stat-label {
    font-size: 12px;
    color: #cbd5e1;
    margin-bottom: 4px;
    display: block;
}

.polaris-footer-stat-number {
    font-size: 1.75rem;
    font-weight: 800;
    color: #ffffff;
    line-height: 1;
    margin: 0;
}

.polaris-footer-badge {
    background: rgba(56, 189, 248, 0.1);
    border: 1px solid rgba(56, 189, 248, 0.25);
    color: #38bdf8;
    padding: 6px 14px;
    border-radius: var(--polaris-radius-pill);
    font-size: 12px;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.polaris-footer-bottom {
    margin-top: 45px;
    padding-top: 25px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    font-size: 13px;
    color: #cbd5e1;
}

.polaris-footer-bottom a {
    color: #ffffff;
    text-decoration: none;
    transition: color 0.2s ease;
}

.polaris-footer-bottom a:hover {
    color: #38bdf8;
}

/* ==========================================================================
   OFFCANVAS MOBILE DRAWER & TOUCH OPTIMIZATION (MOBILE ONLY)
   ========================================================================== */
.offcanvas-menu-wrapper {
    position: fixed;
    top: 0;
    left: -320px;
    width: 300px;
    height: 100%;
    background: #ffffff;
    z-index: 99999;
    padding: 24px 20px;
    overflow-y: auto;
    transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: 4px 0 25px rgba(0, 0, 0, 0.15);
}

.offcanvas-menu-wrapper.active {
    left: 0;
}

.offcanvas-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(4px);
    z-index: 99990;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.offcanvas-menu-overlay.active {
    opacity: 1;
    visibility: visible;
}

.offcanvas__close {
    font-size: 22px;
    cursor: pointer;
    position: absolute;
    top: 18px;
    right: 18px;
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: #f1f5f9;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #475569;
    transition: all 0.2s ease;
}

.offcanvas__close:hover {
    background: #e2e8f0;
    color: #0f172a;
}

/* ==========================================================================
   RESPONSIVE DESIGN: MOBILE SPECIFIC (TABLET & SMARTPHONES ONLY)
   Desktop layout is preserved intact.
   ========================================================================== */
@media (max-width: 991px) {
    /* Navbar Mobile Header */
    .polaris-navbar {
        padding: 6px 0;
    }

    .polaris-brand-logo {
        height: 38px;
    }

    .polaris-brand-title {
        font-size: 16px;
    }

    .polaris-brand-subtitle {
        font-size: 9px;
        letter-spacing: 0.5px;
    }

    .canvas__open button {
        background: #f8fafc;
        border: 1px solid var(--polaris-border);
        border-radius: 8px;
        padding: 6px 12px;
        color: var(--polaris-text-dark);
        font-size: 16px;
    }

    /* Hero Section Mobile */
    .polaris-hero {
        padding: 35px 0 25px 0;
    }

    .polaris-hero-badge {
        font-size: 11px;
        padding: 4px 10px;
        margin-bottom: 12px;
    }

    .polaris-hero-title {
        font-size: 1.85rem;
        line-height: 1.2;
        margin-bottom: 12px;
    }

    .polaris-hero-subtitle {
        font-size: 13.5px;
        line-height: 1.6;
        margin-bottom: 20px;
    }

    /* Service Cards Mobile */
    .polaris-service-card {
        padding: 20px;
        margin-bottom: 16px;
    }

    .polaris-service-icon {
        width: 40px;
        height: 40px;
        font-size: 18px;
        margin-bottom: 12px;
    }

    .polaris-service-title {
        font-size: 1.15rem;
        margin-bottom: 8px;
    }

    .polaris-service-desc {
        font-size: 13px;
        margin-bottom: 16px;
    }

    .polaris-service-actions {
        flex-wrap: wrap;
        gap: 8px;
    }

    .polaris-service-actions a {
        flex: 1 1 auto;
        text-align: center;
        font-size: 13px;
        padding: 8px 12px;
    }

    /* Search Bar Mobile */
    .polaris-search-section {
        padding: 24px 0;
    }

    .polaris-search-box {
        padding: 6px 10px;
        gap: 6px;
    }

    .polaris-search-input {
        font-size: 13.5px;
        padding: 8px 6px;
    }

    .polaris-search-box button {
        padding: 7px 14px;
        font-size: 13px;
    }

    .polaris-search-chips {
        overflow-x: auto;
        white-space: nowrap;
        flex-wrap: nowrap;
        -webkit-overflow-scrolling: touch;
        padding-bottom: 6px;
        margin-top: 10px;
    }

    .polaris-search-chip {
        flex-shrink: 0;
        font-size: 11px;
        padding: 4px 10px;
    }

    /* Book Cards Mobile */
    .polaris-section {
        padding: 40px 0;
    }

    .polaris-section-header {
        margin-bottom: 22px;
    }

    .polaris-section-title {
        font-size: 1.5rem;
    }

    .polaris-section-desc {
        font-size: 13px;
    }

    .polaris-book-card {
        height: auto;
        min-height: 100%;
        padding: 12px;
    }

    .polaris-book-img-wrap {
        height: 210px;
        margin-bottom: 12px;
    }

    .polaris-book-title {
        font-size: 15px;
    }

    .polaris-book-btn .polaris-btn-primary,
    .polaris-book-btn .polaris-btn-outline {
        min-height: 40px;
        font-size: 0.9rem;
    }

    .polaris-book-img-wrap {
        height: 200px;
        margin-bottom: 10px;
    }

    .polaris-book-title {
        font-size: 14.5px;
    }

    .polaris-book-author {
        font-size: 12px;
    }

    .polaris-book-meta {
        font-size: 11.5px;
        margin-bottom: 10px;
    }

    .polaris-book-badge-pilihan {
        top: 16px;
        left: 16px;
        font-size: 10px;
        padding: 2px 8px;
    }

    .polaris-book-rating {
        top: 16px;
        right: 16px;
        font-size: 10.5px;
        padding: 2px 6px;
    }

    /* Stats Mobile */
    .polaris-stats-strip {
        padding: 20px 10px;
    }

    .polaris-stat-number {
        font-size: 1.6rem;
    }

    .polaris-stat-label {
        font-size: 11px;
    }

    /* Footer Mobile */
    .polaris-footer {
        padding: 45px 0 20px 0;
    }

    .polaris-footer-title {
        margin-top: 20px;
        margin-bottom: 14px;
    }
}

/* Extra Small Phones (< 576px) */
@media (max-width: 575px) {
    .polaris-hero-title {
        font-size: 1.6rem;
    }

    .polaris-btn-primary,
    .polaris-btn-outline {
        font-size: 13px;
        padding: 8px 16px;
    }

    .polaris-search-box {
        flex-direction: column;
        align-items: stretch;
        background: #ffffff;
    }

    .polaris-search-box input {
        border-bottom: 1px solid var(--polaris-border);
        border-radius: 0;
        margin-bottom: 4px;
    }

    .polaris-search-box button {
        width: 100%;
    }
}