/* ==========================================================================
   1. VARIABLES & DESIGN SYSTEM
   ========================================================================== */
:root {
    /* Color Palette */
    --color-bg-primary: #FCFBF9;      /* Elegant soft off-white/cream */
    --color-bg-secondary: #F4F1EC;    /* Warm beige alternative */
    --color-text-primary: #1A1A1A;    /* Sharp luxury black */
    --color-text-muted: #666666;      /* Mid-tone grey for descriptions */
    --color-accent-gold: #C5A880;     /* Muted, desaturated luxury gold */
    --color-accent-gold-hover: #B3966E;
    --color-border: #E5E0D8;          /* Light warm grey borders */
    --color-white: #FFFFFF;

    /* Typography */
    --font-serif: 'Cormorant Garamond', Georgia, serif;
    --font-sans: 'Montserrat', Helvetica, Arial, sans-serif;

    /* Layout & Animation */
    --max-width: 1200px;
    --max-width-narrow: 760px;
    --transition-smooth: all 0.4s cubic-bezier(0.25, 1, 0.5, 1);
}

/* ==========================================================================
   2. BASE STYLES & RESET
   ========================================================================== */
*, *::before, *::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    text-size-adjust: 100%;
}

body {
    margin: 0;
    padding: 0;
    background-color: var(--color-bg-primary);
    color: var(--color-text-primary);
    font-family: var(--font-sans);
    font-size: 15px;
    line-height: 1.7;
    letter-spacing: 0.03em;
    font-weight: 600;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

/* Global Container Utilities */
.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
}

.container-narrow {
    max-width: var(--max-width-narrow);
}

/* Typography Scale */
h1, h2, h3, h4 {
    font-family: var(--font-serif);
    font-weight: 400;
    margin: 0 0 16px 0;
    letter-spacing: 0.02em;
}

h1 {
    font-size: clamp(32px, 5vw, 54px);
    line-height: 1.15;
}

h2 {
    font-size: clamp(26px, 4vw, 38px);
    line-height: 1.2;
    text-align: center;
}

h3 {
    font-size: clamp(20px, 2.5vw, 24px);
    line-height: 1.3;
}

p {
    margin: 0 0 16px 0;
}

a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition-smooth);
}

/* Shared Components & Layout Elements */
.section-header {
    margin-bottom: 60px;
    text-align: center;
}

.section-subtitle {
    font-family: var(--font-sans);
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-accent-gold);
    max-width: 500px;
    margin: 12px auto 0 auto;
}

/* Button UI */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 16px 36px;
    font-family: var(--font-sans);
    font-size: 12px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    transition: var(--transition-smooth);
    cursor: pointer;
    border: 1px solid transparent;
}

.btn-primary {
    background-color: var(--color-text-primary);
    color: var(--color-white);
}

.btn-primary:hover {
    background-color: var(--color-accent-gold);
}

.btn-secondary {
    background-color: transparent;
    color: var(--color-text-primary);
    border-color: var(--color-text-primary);
}

.btn-secondary:hover {
    background-color: var(--color-text-primary);
    color: var(--color-white);
}

.btn-block {
    width: 100%;
}

/* ==========================================================================
   3. HEADER & NAVIGATION
   ========================================================================== */
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: rgba(252, 251, 249, 0.95);
    border-bottom: 1px solid var(--color-border);
    transition: var(--transition-smooth);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 20px 24px;
}

.brand-logo {
    font-family: var(--font-serif);
    font-size: 24px;
    letter-spacing: 0.05em;
    font-weight: 400;
}

.brand-logo .sub-logo {
    font-family: var(--font-sans);
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.3em;
    color: var(--color-accent-gold);
    display: block;
    margin-top: -4px;
}

.nav-menu ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
    gap: 40px;
}

.nav-menu a {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    font-weight: 400;
    color: var(--color-text-primary);
}

.nav-menu a:hover:not(.nav-cta) {
    color: var(--color-accent-gold);
}

.nav-menu .nav-cta {
    border-bottom: 1px solid var(--color-text-primary);
    padding-bottom: 4px;
}

.nav-menu .nav-cta:hover {
    color: var(--color-accent-gold);
    border-color: var(--color-accent-gold);
}

/* Mobile Toggle Hamburger Button */
.mobile-nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
    z-index: 1010;
}

.hamburger {
    display: block;
    width: 22px;
    height: 1px;
    background-color: var(--color-text-primary);
    position: relative;
    transition: var(--transition-smooth);
}

.hamburger::before, .hamburger::after {
    content: '';
    position: absolute;
    width: 22px;
    height: 1px;
    background-color: var(--color-text-primary);
    transition: var(--transition-smooth);
}

.hamburger::before { top: -6px; }
.hamburger::after { bottom: -6px; }

/* ==========================================================================
   4. HERO SECTION
   ========================================================================== */
.hero-section {
    min-height: 100vh;
    padding-top: 85px; /* Offset fixed header */
    display: flex;
    align-items: center;
    position: relative;
    background-color: var(--color-bg-secondary);
    /* Soft premium gradient background overlay mimicry */
    background-image: radial-gradient(circle at 80% 20%, rgba(197, 168, 128, 0.08) 0%, transparent 50%);
}

.hero-container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 60px 24px;
}

.hero-content {
    max-width: 650px;
}

.hero-tagline {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.25em;
    color: var(--color-accent-gold);
    display: block;
    margin-bottom: 20px;
    font-weight: 500;
}

.hero-content p {
    font-size: 16px;
    color: var(--color-text-muted);
    margin-bottom: 40px;
    line-height: 1.8;
}

.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

/* ==========================================================================
   5. BENEFITS SECTION (WHY JOIN)
   ========================================================================== */
.benefits-section {
    padding: 120px 0;
    background-color: var(--color-bg-primary);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(2, 11fr);
    gap: 40px;
    margin-top: 20px;
}

.benefit-card {
    background-color: var(--color-white);
    padding: 48px;
    border: 1px solid var(--color-border);
    transition: var(--transition-smooth);
}

.benefit-card:hover {
    transform: translateY(-4px);
    border-color: var(--color-accent-gold);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.02);
}

.card-icon {
    color: var(--color-accent-gold);
    margin-bottom: 24px;
    display: inline-block;
}

.benefit-card h3 {
    margin-bottom: 14px;
}

.benefit-card p {
    color: var(--color-text-muted);
    font-size: 14px;
    margin: 0;
}

/* ==========================================================================
   6. REQUIREMENTS SECTION (WHO WE'RE LOOKING FOR)
   ========================================================================== */
.requirements-section {
    padding: 120px 0;
    background-color: var(--color-bg-secondary);
}

.requirements-wrapper {
    display: grid;
    grid-template-columns: 4fr 7fr;
    gap: 60px;
    align-items: start;
}

.requirements-content h2 {
    text-align: left;
    margin-bottom: 24px;
}

.requirements-content p {
    color: var(--color-text-muted);
    font-size: 15px;
}

.requirements-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.requirements-list li {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    padding: 24px 0;
    border-bottom: 1px solid var(--color-border);
}

.requirements-list li:first-child {
    padding-top: 0;
}

.requirements-list li:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.checkmark {
    position: relative;
    width: 18px;
    height: 18px;
    border: 1px solid var(--color-accent-gold);
    border-radius: 50%;
    margin-top: 4px;
    flex-shrink: 0;
}

.checkmark::after {
    content: '';
    position: absolute;
    top: 5px;
    left: 5px;
    width: 6px;
    height: 6px;
    background-color: var(--color-accent-gold);
    border-radius: 50%;
}

.requirements-list p {
    margin: 0;
    font-size: 14px;
    color: var(--color-text-muted);
}

.requirements-list p strong {
    color: var(--color-text-primary);
    font-weight: 500;
    display: block;
    margin-bottom: 4px;
}

/* ==========================================================================
   7. APPLICATION FORM SECTION
   ========================================================================== */
.apply-section {
    padding: 120px 0;
    background-color: var(--color-bg-primary);
}

.application-form {
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    padding: 60px;
    margin-top: 40px;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.grid-full {
    grid-column: span 2;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 500;
    margin-bottom: 8px;
    color: var(--color-text-primary);
}

.form-group label .optional {
    color: var(--color-text-muted);
    text-transform: none;
    font-weight: 300;
    letter-spacing: 0;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="tel"],
.form-group input[type="url"],
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 14px 18px;
    border: 1px solid var(--color-border);
    background-color: var(--color-bg-primary);
    font-family: var(--font-sans);
    font-size: 14px;
    color: var(--color-text-primary);
    transition: var(--transition-smooth);
    border-radius: 0;
    outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--color-accent-gold);
    background-color: var(--color-white);
}

/* Elegant dropdown setup */
.select-wrapper {
    position: relative;
}

.select-wrapper::after {
    content: '';
    position: absolute;
    right: 18px;
    top: 50%;
    transform: translateY(-50%);
    width: 0;
    height: 0;
    border-left: 5px solid transparent;
    border-right: 5px solid transparent;
    border-top: 5px solid var(--color-text-muted);
    pointer-events: none;
}

.form-group select {
    appearance: none;
    padding-right: 40px;
}

/* File Custom Upload UI */
.file-upload-wrapper {
    position: relative;
    width: 100%;
}

.file-upload-wrapper input[type="file"] {
    position: absolute;
    left: 0;
    top: 0;
    opacity: 0;
    width: 100%;
    height: 100%;
    cursor: pointer;
}

.file-upload-trigger {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 20px;
    border: 1px dashed var(--color-accent-gold);
    background-color: var(--color-bg-primary);
    font-size: 13px;
    color: var(--color-text-muted);
    transition: var(--transition-smooth);
    text-align: center;
}

.file-upload-wrapper:hover .file-upload-trigger {
    background-color: var(--color-bg-secondary);
}

/* Error States */
.form-group.has-error input,
.form-group.has-error select,
.form-group.has-error textarea {
    border-color: #D96A6A;
}

.error-message {
    font-size: 11px;
    color: #D96A6A;
    margin-top: 6px;
    display: none;
}

.form-group.has-error .error-message {
    display: block;
}

.form-actions {
    margin-top: 40px;
}

/* ==========================================================================
   8. FAQS SECTION (ACCORDION)
   ========================================================================== */
.faqs-section {
    padding: 120px 0;
    background-color: var(--color-bg-secondary);
}

.accordion-wrapper {
    margin-top: 40px;
    border-top: 1px solid var(--color-border);
}

.accordion-item {
    border-bottom: 1px solid var(--color-border);
}

.accordion-header {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 28px 0;
    background: none;
    border: none;
    text-align: left;
    font-family: var(--font-serif);
    font-size: clamp(18px, 2vw, 22px);
    color: var(--color-text-primary);
    cursor: pointer;
    outline: none;
}

.accordion-icon {
    position: relative;
    width: 16px;
    height: 16px;
    flex-shrink: 0;
    margin-left: 20px;
}

.accordion-icon::before,
.accordion-icon::after {
    content: '';
    position: absolute;
    background-color: var(--color-text-primary);
    transition: var(--transition-smooth);
}

/* Horizontal line */
.accordion-icon::before {
    top: 7px;
    left: 0;
    width: 16px;
    height: 1px;
}

/* Vertical line */
.accordion-icon::after {
    top: 0;
    left: 7px;
    width: 1px;
    height: 16px;
}

.accordion-header[aria-expanded="true"] .accordion-icon::after {
    transform: rotate(90deg);
    opacity: 0;
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.25, 1, 0.5, 1);
}

.accordion-content p {
    padding-bottom: 28px;
    color: var(--color-text-muted);
    font-size: 14px;
    margin: 0;
    line-height: 1.8;
}

/* ==========================================================================
   9. FOOTER SECTION
   ========================================================================== */
.main-footer {
    background-color: var(--color-text-primary);
    color: var(--color-white);
    padding: 80px 0 40px 0;
}

.footer-top {
    text-align: center;
    margin-bottom: 40px;
}

.footer-brand {
    font-family: var(--font-serif);
    font-size: 32px;
    letter-spacing: 0.05em;
    display: block;
    margin-bottom: 8px;
}

.footer-top p {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.3em;
    color: var(--color-accent-gold);
    margin: 0;
}

.footer-divider {
    border: none;
    border-top: 1px solid #2A2A2A;
    margin-bottom: 40px;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 12px;
    color: #999999;
}

.footer-links {
    display: flex;
    gap: 30px;
}

.footer-links a:hover {
    color: var(--color-accent-gold);
}

/* ==========================================================================
   10. MODAL (SUCCESS WINDOW)
   ========================================================================== */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(26, 26, 26, 0.4);
    backdrop-filter: blur(4px);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.4s ease;
}

.modal-overlay.is-active {
    opacity: 1;
    pointer-events: auto;
}

.modal-container {
    background-color: var(--color-bg-primary);
    width: 100%;
    max-width: 540px;
    padding: 60px 40px;
    position: relative;
    border: 1px solid var(--color-border);
    transform: translateY(20px);
    transition: transform 0.4s cubic-bezier(0.25, 1, 0.5, 1);
}

.modal-overlay.is-active .modal-container {
    transform: translateY(0);
}

.modal-close {
    position: absolute;
    top: 24px;
    right: 24px;
    background: none;
    border: none;
    font-size: 28px;
    font-weight: 300;
    cursor: pointer;
    color: var(--color-text-primary);
    line-height: 1;
    transition: var(--transition-smooth);
}

.modal-close:hover {
    color: var(--color-accent-gold);
}

.modal-content {
    text-align: center;
}

.success-icon-wrapper {
    width: 64px;
    height: 64px;
    border: 1px solid var(--color-accent-gold);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px auto;
    color: var(--color-accent-gold);
}

.modal-content h3 {
    margin-bottom: 16px;
}

.modal-content p {
    font-size: 14px;
    color: var(--color-text-muted);
    margin-bottom: 32px;
}

/* ==========================================================================
   11. ANIMATIONS (SCROLL REVEAL EFFECT)
   ========================================================================== */
.scroll-reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.25, 1, 0.5, 1), transform 0.8s cubic-bezier(0.25, 1, 0.5, 1);
}

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

/* ==========================================================================
   12. RESPONSIVE MEDIA QUERIES
   ========================================================================== */

/* Tablet & Smaller Layouts */
@media (max-width: 992px) {
    .requirements-wrapper {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .benefits-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .application-form {
        padding: 32px 24px;
    }

    .form-grid {
        grid-template-columns: 1fr;
    }

    .grid-full {
        grid-column: span 1;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }

    /* Mobile Navigation Mechanics */
    .mobile-nav-toggle {
        display: block;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 320px;
        height: 100vh;
        background-color: var(--color-bg-primary);
        box-shadow: -10px 0 30px rgba(0, 0, 0, 0.05);
        padding: 120px 40px 40px 40px;
        transition: var(--transition-smooth);
        z-index: 1005;
    }

    .nav-menu.is-active {
        right: 0;
    }

    .nav-menu ul {
        flex-direction: column;
        align-items: flex-start;
        gap: 32px;
    }

    .nav-menu a {
        font-size: 14px;
    }

    /* Hamburger Animation States */
    .mobile-nav-toggle[aria-expanded="true"] .hamburger {
        background-color: transparent;
    }
    .mobile-nav-toggle[aria-expanded="true"] .hamburger::before {
        transform: rotate(45deg);
        top: 0;
    }
    .mobile-nav-toggle[aria-expanded="true"] .hamburger::after {
        transform: rotate(-45deg);
        bottom: 0;
    }
}

@media (max-width: 480px) {
    .hero-actions .btn {
        width: 100%;
    }
    
    .benefit-card {
        padding: 32px 24px;
    }
}