:root {
    --primary: #00509d;
    --primary-dark: #00296b;
    --secondary: #001524;
    --accent: #00b4d8;
    --text-body: #475569;
    --text-light: #64748b;
    --white: #ffffff;
    --glass: rgba(255, 255, 255, 0.85);
    --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
    font-family: 'Inter', sans-serif;
    color: var(--text-body);
    background-color: #f8fafc;
    overflow-x: hidden;
    line-height: 1.6;
}

h1, h2, h3, h4 {
    font-family: 'Poppins', sans-serif;
    color: var(--secondary);
    line-height: 1.2;
}

a { text-decoration: none; color: inherit; transition: var(--transition); }
ul { list-style: none; }
img { display: block; max-width: 100%; }

/* ─── HEADER ─── */
header {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    padding: 1rem 0;
    transition: var(--transition);
    background: rgba(255, 255, 255, 0);
    backdrop-filter: blur(2px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255, 255, 255, 0);
}

header.scrolled {
    background: var(--white);
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    border-bottom: none;
    padding: 0.8rem 0;
    box-shadow: var(--shadow-sm);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-shrink: 0;
}

.logo img { height: 45px; width: auto; flex-shrink: 0; }

nav ul { display: flex; gap: 1.5rem; align-items: center; flex-wrap: nowrap; }

nav a {
    font-weight: 500;
    font-size: 0.85rem;
    color: var(--white);
    opacity: 0.9;
    position: relative;
    padding: 5px 2px;
    white-space: nowrap;
}

nav a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -2px;
    left: 0;
    background: #00b4d8;
    transition: var(--transition);
}

nav a:hover::after, nav a.active::after { width: 100%; }
nav a:hover, nav a.active { opacity: 1; color: #00b4d8; }

header.scrolled nav a { color: var(--secondary); }
header.scrolled nav a:hover, header.scrolled nav a.active { color: var(--primary-dark); }

.menu-toggle { display: none; font-size: 1.5rem; cursor: pointer; color: var(--white); }
header.scrolled .menu-toggle { color: var(--secondary); }
.menu-toggle i { transition: transform 0.3s ease; }
.menu-toggle i.fa-xmark { transform: rotate(90deg); }

.dropdown {
    position: relative;
    display: flex;
    align-items: center;
}

.dropdown-content {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background-color: var(--white);
    min-width: 240px;
    box-shadow: var(--shadow-lg);
    border-radius: 8px;
    padding: 0.5rem 0;
    flex-direction: column;
    gap: 0;
    z-index: 1001;
}

.dropdown:hover .dropdown-content { display: flex; }

.dropdown-content li { width: 100%; }

.dropdown-content a {
    color: var(--secondary) !important;
    padding: 12px 20px;
    display: block;
    font-size: 0.9rem;
    opacity: 1;
}

.dropdown-content a::after { display: none; }

.dropdown-content a:hover {
    background-color: #f8fafc;
    color: var(--primary) !important;
}

/* Language Toggle */
.global-lang-toggle { display: flex; align-items: center; }

.lang-toggle-checkbox { display: none; }

.lang-toggle-label {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 74px;
    height: 34px;
    background-color: rgba(255, 255, 255, 0.15);
    border-radius: 50px;
    padding: 0 4px;
    cursor: pointer;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

header.scrolled .lang-toggle-label,
header.menu-open .lang-toggle-label {
    background-color: #e2e8f0;
    border-color: #cbd5e1;
}

.lang-toggle-label span:not(.lang-slider) {
    z-index: 1;
    font-size: 0.75rem;
    font-weight: 700;
    width: 50%;
    text-align: center;
    transition: var(--transition);
    user-select: none;
    color: var(--white);
}

header.scrolled .lang-toggle-label span:not(.lang-slider),
header.menu-open .lang-toggle-label span:not(.lang-slider) {
    color: var(--text-light);
}

.lang-toggle-checkbox:not(:checked) + .lang-toggle-label .lang-en,
.lang-toggle-checkbox:checked + .lang-toggle-label .lang-fil {
    color: var(--white) !important;
}

.lang-slider {
    position: absolute;
    top: 2px;
    left: 2px;
    width: 32px;
    height: 28px;
    background-color: var(--accent);
    border-radius: 50px;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.lang-toggle-checkbox:checked + .lang-toggle-label .lang-slider {
    transform: translateX(32px);
}

/* Fade-in Animation */
.fade-text { animation: fadeInText 0.4s cubic-bezier(0.4, 0, 0.2, 1); }

@keyframes fadeInText {
    0% { opacity: 0; transform: translateY(3px); }
    100% { opacity: 1; transform: translateY(0); }
}

/* ─── PAGE HEADER ─── */
.page-header {
    background: linear-gradient(135deg, rgba(0, 21, 36, 0.5) 0%, rgba(0, 0, 0, 0.4) 50%),
                url('../images/lagunalake.jpeg') center/cover;
    height: 50vh;
    min-height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    color: var(--white);
}

.page-header h1 {
    font-size: 3.5rem;
    margin-bottom: 0.5rem;
    letter-spacing: -1px;
    color: var(--white);
    text-shadow: 2px 2px 10px rgba(0, 0, 0, 0.3);
}

.page-header h1 span { color: var(--accent); }

.breadcrumb {
    color: var(--accent);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 3px;
    font-weight: 700;
    margin-bottom: 1rem;
    display: inline-block;
    padding: 4px 12px;
    background: rgba(255,255,255,0.1);
    border-radius: 20px;
    backdrop-filter: blur(5px);
}

/* ─── FAQ SECTION ─── */
.faq-section {
    padding: 6rem 0;
    background: #f8fafc;
}

.faq-wrapper {
    max-width: 860px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 3rem;
}

.faq-group {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.faq-category-title {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--secondary);
    font-family: 'Poppins', sans-serif;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid var(--accent);
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.faq-category-title i {
    color: var(--accent);
    font-size: 1.1rem;
}

.faq-item {
    background: var(--white);
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(0,0,0,0.05);
    overflow: hidden;
    transition: var(--transition);
}

.faq-item:hover {
    box-shadow: var(--shadow-md);
    border-color: rgba(0, 180, 216, 0.2);
}

.faq-question {
    display: flex;
    width: 100%;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem 1.5rem;
    cursor: pointer;
    gap: 1rem;
    user-select: none;
    background: none;
    border: none;
    text-align: left;
}

.faq-question h3,
.faq-question > span:first-child {
    font-size: 1rem;
    font-weight: 600;
    font-family: 'Poppins', sans-serif;
    color: var(--secondary);
    line-height: 1.4;
    flex: 1;
}

.faq-icon {
    width: 28px;
    height: 28px;
    background: rgba(0, 80, 157, 0.08);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 0.75rem;
    flex-shrink: 0;
    transition: var(--transition);
}

.faq-item.open .faq-icon {
    background: var(--accent);
    color: var(--white);
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.faq-item.open .faq-answer {
    max-height: 600px;
}

.faq-answer-inner {
    padding: 0 1.5rem 1.5rem;
    color: var(--text-body);
    font-size: 0.95rem;
    line-height: 1.75;
    border-top: 1px solid #f0f4f8;
    padding-top: 1rem;
}

.faq-answer-inner ul {
    list-style: disc;
    padding-left: 1.4rem;
    margin-top: 0.5rem;
}

.faq-answer-inner ol {
    list-style: decimal;
    padding-left: 1.4rem;
    margin-top: 0.5rem;
}

.faq-answer-inner li {
    margin-bottom: 0.5rem;
    line-height: 1.7;
}

.faq-answer-inner strong {
    color: var(--secondary);
}

.note {
    background: rgba(0, 180, 216, 0.08);
    border-left: 4px solid var(--accent);
    border-radius: 0 8px 8px 0;
    padding: 0.75rem 1rem;
    margin-top: 0.75rem;
    font-size: 0.9rem;
    color: var(--primary-dark);
}

.warning {
    background: rgba(255, 180, 0, 0.08);
    border-left: 4px solid #f59e0b;
    border-radius: 0 8px 8px 0;
    padding: 0.75rem 1rem;
    margin-top: 0.75rem;
    font-size: 0.9rem;
    color: #92400e;
}

/* ─── FOOTER ─── */
footer { background: var(--secondary); color: var(--white); padding: 5rem 0 2rem; }

.footer-content {
    max-width: 1200px; margin: 0 auto; padding: 0 2rem;
    display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem; margin-bottom: 4rem;
}

.footer-col h4 {
    color: var(--white); margin-bottom: 1.5rem; font-size: 1.2rem;
    position: relative; padding-left: 15px;
}

.footer-col h4::before {
    content: ''; position: absolute; left: 0; top: 5px;
    height: 18px; width: 4px; background: var(--accent); border-radius: 2px;
}

.footer-col a, .footer-col p {
    color: #94a3b8; display: block; margin-bottom: 0.8rem; font-size: 0.95rem;
    transition: var(--transition);
}

.footer-col a:hover { color: var(--accent); transform: translateX(5px); }

.socials { display: flex; gap: 12px; margin-top: 1.5rem; }

.socials a {
    width: 36px; height: 36px; background: rgba(255,255,255,0.05);
    display: flex; align-items: center; justify-content: center;
    border-radius: 50%; color: var(--white); border: 1px solid rgba(255,255,255,0.1);
    transition: var(--transition);
}

.socials a:hover { background: var(--accent); color: var(--secondary); transform: translateY(-3px); }

.copyright {
    text-align: center; padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.05); color: #64748b; font-size: 0.85rem;
}

/* ─── RESPONSIVE ─── */
@media (max-width: 1150px) {
    nav ul { gap: 1rem; }
    nav a { font-size: 0.78rem; }
    .header-right { gap: 0.6rem; }
}

@media (max-width: 992px) {
    .menu-toggle { display: block; }

    nav > ul.nav-links {
        display: flex;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--white);
        flex-direction: column;
        align-items: stretch;
        padding: 0;
        gap: 0;
        box-shadow: var(--shadow-md);
        border-top: 1px solid #eee;
        clip-path: polygon(0 0, 100% 0, 100% 0, 0 0);
        visibility: hidden;
        transition: clip-path 0.3s ease-in-out, visibility 0.3s;
    }

    nav li { width: 100%; }

    nav > ul.nav-links.active {
        clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
        visibility: visible;
    }

    nav a {
        color: var(--secondary);
        padding: 1rem 2rem;
        display: block;
        width: 100%;
        text-align: center;
        font-size: 0.95rem;
        white-space: normal;
    }

    nav a:hover { background: #f1f5f9; color: var(--primary-dark); }
    nav a::after { display: none; }

    nav a.active {
        color: var(--primary);
        background: rgba(0, 80, 157, 0.05);
        font-weight: 700;
        border-left: 4px solid var(--primary);
    }

    .dropdown > a.dropbtn { display: none; }
    .dropdown { width: 100%; display: block; }

    .dropdown-content {
        display: flex;
        flex-direction: column;
        position: static;
        box-shadow: none;
        background-color: transparent;
        width: 100%;
        border-radius: 0;
        padding: 0;
        visibility: visible;
        clip-path: none;
    }

    .dropdown-content a {
        padding: 1rem 2rem;
        font-size: 0.95rem;
        text-align: center;
    }

    .page-header h1 { font-size: 2.2rem; }
    .faq-wrapper { padding: 0 1rem; }
    .faq-question h3,
    .faq-question > span:first-child { font-size: 0.95rem; }
}

@media (max-width: 600px) {
    .page-header { height: 40vh; min-height: 300px; }
    .page-header h1 { font-size: 1.8rem; }
    .faq-section { padding: 4rem 0; }
    .faq-question { padding: 1rem 1.25rem; }
    .faq-answer-inner { padding: 0 1.25rem 1.25rem; padding-top: 0.75rem; }
}