/**
 * Frontend Stylesheet - Pusat Penjaminan Mutu (PPM) Poltekkes Kemenkes Medan
 * Standar UI/UX Institusi Pendidikan Tinggi Kesehatan Kemenkes RI
 * Tipografi: Plus Jakarta Sans | Skema Warna: Poltekkes Kemenkes Medan
 */

:root {
    --font-sans: 'Plus Jakarta Sans', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --brand-primary: #0e8779;
    --brand-primary-dark: #09685d;
    --brand-secondary: #16a394;
    --brand-subtle: #e8f7f5;
    --brand-border: #bce8e3;
    --brand-accent-green: #10b981;
    --brand-accent-lime: #84cc16;
    --brand-surface: #FFFFFF;
    --brand-bg: #F8FAFC;
    --brand-text: #0F172A;
}

body {
    font-family: var(--font-sans);
}

/* ==========================================================================
   Brand Component Classes (Rebranding #0e8779)
   ========================================================================== */
.badge-brand {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.35rem 1rem;
    border-radius: 9999px;
    background-color: var(--brand-subtle, #e8f7f5);
    border: 1px solid var(--brand-border, rgba(14, 135, 121, 0.25));
    color: var(--brand-primary, #0e8779);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    line-height: 1;
}

.badge-brand i,
.badge-brand svg {
    width: 0.95rem;
    height: 0.95rem;
    color: var(--brand-primary, #0e8779);
    flex-shrink: 0;
}

.badge-brand-sm {
    padding: 0.2rem 0.65rem;
    font-size: 0.6875rem;
    gap: 0.375rem;
}

.badge-brand-sm i,
.badge-brand-sm svg {
    width: 0.8rem;
    height: 0.8rem;
}

.bg-brand-gradient {
    background-image: linear-gradient(135deg, #0e8779 0%, #09685d 100%);
}

.divider-brand {
    height: 0.25rem;
    width: 4rem;
    border-radius: 9999px;
    background-image: linear-gradient(135deg, #0e8779 0%, #09685d 100%);
}

/* ==========================================================================
   Animasi On-Scroll Reveal
   ========================================================================== */
.reveal-on-scroll {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.75s cubic-bezier(0.16, 1, 0.3, 1), transform 0.75s cubic-bezier(0.16, 1, 0.3, 1);
    will-change: opacity, transform;
}

.reveal-on-scroll.is-revealed {
    opacity: 1;
    transform: translateY(0);
}

/* Staggered Delay Utilities */
.reveal-delay-75 { transition-delay: 75ms; }
.reveal-delay-100 { transition-delay: 100ms; }
.reveal-delay-150 { transition-delay: 150ms; }
.reveal-delay-200 { transition-delay: 200ms; }
.reveal-delay-250 { transition-delay: 250ms; }
.reveal-delay-300 { transition-delay: 300ms; }
.reveal-delay-400 { transition-delay: 400ms; }

/* ==========================================================================
   Hero Banner Slider Zoom Effect
   ========================================================================== */
@keyframes subtleHeroZoom {
    0% { transform: scale(1); }
    100% { transform: scale(1.05); }
}

.hero-slide.opacity-100 img {
    animation: subtleHeroZoom 8s ease-out forwards;
}

/* ==========================================================================
   Kartu Layanan & Interaktivitas
   ========================================================================== */
.service-card-hover {
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.3s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.3s ease;
}

.service-card-hover:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 30px -10px rgba(14, 135, 121, 0.15), 0 8px 16px -8px rgba(15, 23, 42, 0.06);
    border-color: rgba(14, 135, 121, 0.45);
}

/* ==========================================================================
   Navbar Dropdown Transition
   ========================================================================== */
.nav-dropdown-menu {
    transition: opacity 0.2s cubic-bezier(0.16, 1, 0.3, 1), transform 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ==========================================================================
   Scrollbar Ramping
   ========================================================================== */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: #f8fafc;
}

::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 9999px;
}

::-webkit-scrollbar-thumb:hover {
    background: #94a3b8;
}

/* ==========================================================================
   Hamburger to Close (X) Morphing Animation
   ========================================================================== */
#mobile-menu-btn .hamburger-bar {
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1),
                opacity 0.2s ease,
                background-color 0.25s ease;
    will-change: transform, opacity;
}

#mobile-menu-btn.is-active {
    background-color: rgba(14, 135, 121, 0.08);
    border-color: rgba(14, 135, 121, 0.4);
}

#mobile-menu-btn.is-active .hamburger-bar {
    background-color: #0e8779;
}

#mobile-menu-btn.is-active .hamburger-bar:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

#mobile-menu-btn.is-active .hamburger-bar:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

#mobile-menu-btn.is-active .hamburger-bar:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

/* ==========================================================================
   Floating Mobile Menu Dropdown Card & Backdrop
   ========================================================================== */
#mobile-menu {
    opacity: 0;
    transform: translateY(-16px) scale(0.96);
    pointer-events: none;
    transition: opacity 0.3s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    will-change: opacity, transform;
}

#mobile-menu.is-open {
    opacity: 1;
    transform: translateY(0) scale(1);
    pointer-events: auto;
}

#mobile-menu-backdrop {
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
    will-change: opacity;
}

#mobile-menu-backdrop.is-open {
    opacity: 1;
    pointer-events: auto;
    cursor: pointer;
}

/* ==========================================================================
   Mobile Profile Submenu Accordion Animation (Smooth Height & Opacity)
   ========================================================================== */
#mobile-profile-submenu.accordion-content {
    display: grid;
    grid-template-rows: 0fr;
    opacity: 0;
    transition: grid-template-rows 0.3s cubic-bezier(0.16, 1, 0.3, 1),
                opacity 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    will-change: grid-template-rows, opacity;
}

#mobile-profile-submenu.accordion-content.is-open {
    grid-template-rows: 1fr;
    opacity: 1;
}

#mobile-profile-submenu .accordion-inner {
    min-height: 0;
    overflow: hidden;
}

#mobile-profile-chevron {
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    will-change: transform;
}