/* ========================================
   Apartments Bansko - Main Stylesheet
   Modern mountain-inspired design
   ======================================== */

/* --- Reset & Base --- */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #0B4F6C;
    --primary-dark: #083D54;
    --primary-light: #1A7A9A;
    --accent: #E8A838;
    --accent-hover: #D49530;
    --dark: #0A1628;
    --dark-light: #1A2A3A;
    --text: #2C3E50;
    --text-light: #6B7B8D;
    --bg: #FAFBFC;
    --bg-alt: #F0F4F7;
    --white: #FFFFFF;
    --success: #27AE60;
    --danger: #E74C3C;
    --radius: 12px;
    --radius-sm: 8px;
    --shadow: 0 4px 20px rgba(10, 22, 40, 0.08);
    --shadow-lg: 0 8px 40px rgba(10, 22, 40, 0.12);
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--text);
    background: var(--bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

img {
    max-width: 100%;
    display: block;
}

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

a:hover {
    color: var(--primary-light);
}

/* --- Typography --- */
h1, h2, h3, h4 {
    font-family: 'Playfair Display', Georgia, serif;
    color: var(--dark);
    line-height: 1.2;
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 32px;
    border-radius: var(--radius-sm);
    font-family: 'Inter', sans-serif;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all var(--transition);
    text-decoration: none;
}

.btn-primary {
    background: var(--accent);
    color: var(--dark);
    border-color: var(--accent);
}

.btn-primary:hover {
    background: var(--accent-hover);
    border-color: var(--accent-hover);
    color: var(--dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(232, 168, 56, 0.3);
}

.btn-outline {
    background: transparent;
    color: var(--white);
    border-color: rgba(255,255,255,0.5);
}

.btn-outline:hover {
    background: var(--white);
    color: var(--dark);
    border-color: var(--white);
}

.btn-sm {
    padding: 10px 20px;
    font-size: 0.85rem;
}

.btn-lg {
    padding: 16px 40px;
    font-size: 1rem;
}

/* --- Navbar --- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: all var(--transition);
}

.navbar.scrolled {
    background: rgba(10, 22, 40, 0.95);
    backdrop-filter: blur(12px);
    padding: 10px 0;
    box-shadow: 0 2px 20px rgba(0,0,0,0.2);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--white);
    text-decoration: none;
}

.logo:hover {
    color: var(--white);
}

.logo-icon {
    font-size: 1.8rem;
}

.logo-text {
    font-size: 0.75rem;
    line-height: 1.3;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: rgba(255,255,255,0.8);
}

.logo-text strong {
    color: var(--white);
    font-size: 1rem;
    display: block;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 32px;
}

.nav-links a {
    color: rgba(255,255,255,0.8);
    font-size: 0.9rem;
    font-weight: 500;
    transition: color var(--transition);
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent);
    transition: width var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--white);
}

.nav-links a:hover::after,
.nav-links a.active::after {
    width: 100%;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--white);
    transition: all var(--transition);
}

.lang-switcher {
    display: flex;
    gap: 4px;
}

.lang-btn {
    background: rgba(255,255,255,0.1);
    color: rgba(255,255,255,0.6);
    border: 1px solid rgba(255,255,255,0.15);
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition);
    font-family: 'Inter', sans-serif;
}

.lang-btn:hover,
.lang-btn.active {
    background: rgba(255,255,255,0.2);
    color: var(--white);
    border-color: rgba(255,255,255,0.4);
}

/* --- Hero --- */
.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    background:
        linear-gradient(135deg, rgba(10, 22, 40, 0.7) 0%, rgba(11, 79, 108, 0.5) 100%),
        url('https://images.unsplash.com/photo-1551524559-8af4e6624178?w=1920&q=80') center/cover no-repeat;
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, rgba(10,22,40,0.3) 0%, rgba(10,22,40,0.6) 100%);
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 0 24px;
    max-width: 800px;
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    color: var(--white);
    margin-bottom: 20px;
    font-weight: 700;
}

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

.hero-subtitle {
    font-size: clamp(1rem, 2.5vw, 1.3rem);
    color: rgba(255,255,255,0.85);
    margin-bottom: 40px;
    font-weight: 300;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-cta {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.hero-scroll {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    text-align: center;
    color: rgba(255,255,255,0.5);
    font-size: 0.8rem;
}

.scroll-arrow {
    width: 24px;
    height: 24px;
    border-right: 2px solid rgba(255,255,255,0.4);
    border-bottom: 2px solid rgba(255,255,255,0.4);
    transform: rotate(45deg);
    margin: 8px auto 0;
    animation: scrollBounce 2s infinite;
}

@keyframes scrollBounce {
    0%, 100% { transform: rotate(45deg) translateY(0); }
    50% { transform: rotate(45deg) translateY(8px); }
}

/* --- Features Strip --- */
.features-strip {
    background: var(--dark);
    padding: 32px 0;
}

.features-strip .container {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 14px;
    color: var(--white);
}

.feature-icon {
    font-size: 1.6rem;
    flex-shrink: 0;
}

.feature-item strong {
    display: block;
    font-size: 0.9rem;
}

.feature-item span {
    font-size: 0.8rem;
    color: rgba(255,255,255,0.6);
}

/* --- Sections --- */
.section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-label {
    display: inline-block;
    text-transform: uppercase;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 3px;
    color: var(--primary-light);
    margin-bottom: 12px;
}

.section-title {
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    margin-bottom: 16px;
}

.section-desc {
    font-size: 1.05rem;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

/* --- About --- */
.about {
    background: var(--white);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-image {
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.image-placeholder {
    aspect-ratio: 4/3;
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255,255,255,0.5);
    font-size: 1.1rem;
    font-weight: 500;
}

.about-text p {
    margin-bottom: 20px;
    font-size: 1.05rem;
    color: var(--text);
}

.about-stats {
    display: flex;
    gap: 40px;
    margin-top: 32px;
    padding-top: 32px;
    border-top: 1px solid var(--bg-alt);
}

.stat-number {
    display: block;
    font-family: 'Playfair Display', serif;
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary);
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-light);
}

/* --- Apartments --- */
.apartments {
    background: var(--bg-alt);
}

.apartments-grid {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.apartment-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    background: var(--white);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: transform var(--transition), box-shadow var(--transition);
}

.apartment-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.apartment-card:nth-child(even) {
    direction: rtl;
}

.apartment-card:nth-child(even) > * {
    direction: ltr;
}

.apt-img {
    aspect-ratio: 4/3;
    min-height: 300px;
}

.apt-info {
    padding: 40px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.apt-info h3 {
    font-size: 1.8rem;
    margin-bottom: 16px;
}

.apt-description {
    color: var(--text-light);
    margin-bottom: 20px;
    line-height: 1.7;
}

.apt-features {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 24px;
}

.apt-tag {
    background: var(--bg-alt);
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.82rem;
    color: var(--text);
}

.apt-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

/* --- Promo Banner --- */
.promo-banner {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    padding: 60px 0;
}

.promo-content {
    text-align: center;
    color: var(--white);
}

.promo-content h3 {
    color: var(--white);
    font-size: 2rem;
    margin-bottom: 16px;
}

.promo-content p {
    font-size: 1.1rem;
    color: rgba(255,255,255,0.85);
    margin-bottom: 28px;
}

.promo-code {
    background: rgba(255,255,255,0.15);
    padding: 4px 16px;
    border-radius: 6px;
    font-family: 'Inter', monospace;
    font-size: 1.2rem;
    letter-spacing: 2px;
    color: var(--accent);
}

/* --- Calendar --- */
.calendar-section {
    background: var(--white);
}

.calendar-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    flex-wrap: wrap;
    gap: 16px;
}

.apt-selector {
    display: flex;
    gap: 8px;
}

.apt-select-btn {
    padding: 10px 20px;
    border: 2px solid var(--bg-alt);
    background: var(--bg-alt);
    border-radius: var(--radius-sm);
    font-family: 'Inter', sans-serif;
    font-weight: 500;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all var(--transition);
    color: var(--text-light);
}

.apt-select-btn.active {
    border-color: var(--primary);
    background: var(--primary);
    color: var(--white);
}

.month-nav {
    display: flex;
    align-items: center;
    gap: 16px;
}

.month-btn {
    width: 40px;
    height: 40px;
    border: 1px solid var(--bg-alt);
    background: var(--white);
    border-radius: 50%;
    font-size: 1.1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition);
    color: var(--text);
}

.month-btn:hover {
    background: var(--primary);
    color: var(--white);
    border-color: var(--primary);
}

.month-label {
    font-weight: 600;
    font-size: 1.1rem;
    min-width: 180px;
    text-align: center;
}

.calendar-legend {
    display: flex;
    gap: 24px;
    margin-bottom: 20px;
    justify-content: center;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.85rem;
    color: var(--text-light);
}

.legend-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.legend-dot.available {
    background: var(--success);
}

.legend-dot.booked {
    background: var(--danger);
}

.legend-dot.today {
    background: var(--accent);
}

.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 4px;
}

.cal-header {
    text-align: center;
    padding: 10px 4px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-light);
    text-transform: uppercase;
}

.cal-day {
    text-align: center;
    padding: 12px 4px;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 500;
    transition: all var(--transition);
    position: relative;
}

.cal-day.empty {
    background: transparent;
}

.cal-day.available {
    background: rgba(39, 174, 96, 0.1);
    color: var(--success);
    cursor: pointer;
}

.cal-day.available:hover {
    background: rgba(39, 174, 96, 0.2);
}

.cal-day.booked {
    background: rgba(231, 76, 60, 0.1);
    color: var(--danger);
    cursor: not-allowed;
}

.cal-day.today {
    outline: 2px solid var(--accent);
    outline-offset: -2px;
    font-weight: 700;
}

.cal-day.past {
    color: var(--text-light);
    opacity: 0.4;
}

/* --- Booking Form --- */
.booking-section {
    background: var(--bg-alt);
}

.booking-wrapper {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 40px;
    align-items: start;
}

.booking-form {
    background: var(--white);
    padding: 40px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

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

.form-group.full-width {
    margin-bottom: 20px;
}

.form-group label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 6px;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 12px 16px;
    border: 1.5px solid #DDE3EA;
    border-radius: var(--radius-sm);
    font-family: 'Inter', sans-serif;
    font-size: 0.95rem;
    color: var(--text);
    transition: border-color var(--transition), box-shadow var(--transition);
    background: var(--white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(11, 79, 108, 0.1);
}

.form-discount {
    background: rgba(39, 174, 96, 0.08);
    border: 1px solid rgba(39, 174, 96, 0.2);
    color: var(--success);
    padding: 12px 20px;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 20px;
}

.booking-form .btn-lg {
    width: 100%;
}

.sidebar-card {
    background: var(--white);
    padding: 28px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    margin-bottom: 20px;
}

.sidebar-card h4 {
    font-size: 1.1rem;
    margin-bottom: 16px;
    color: var(--primary);
}

.sidebar-card ul {
    list-style: none;
}

.sidebar-card li {
    padding: 8px 0;
    font-size: 0.9rem;
    color: var(--text);
    border-bottom: 1px solid var(--bg-alt);
    padding-left: 20px;
    position: relative;
}

.sidebar-card li:last-child {
    border-bottom: none;
}

.sidebar-card li::before {
    content: '\2713';
    position: absolute;
    left: 0;
    color: var(--success);
    font-weight: 700;
}

/* --- Contact --- */
.contact-section {
    background: var(--white);
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.contact-card {
    text-align: center;
    padding: 40px 24px;
    border-radius: var(--radius);
    background: var(--bg-alt);
    transition: transform var(--transition);
}

.contact-card:hover {
    transform: translateY(-4px);
}

.contact-icon {
    font-size: 2rem;
    margin-bottom: 16px;
}

.contact-card h4 {
    font-size: 1rem;
    margin-bottom: 8px;
}

.contact-card a,
.contact-card span {
    color: var(--text-light);
    font-size: 0.95rem;
}

/* --- Footer --- */
.footer {
    background: var(--dark);
    color: var(--white);
    padding: 48px 0 0;
}

.footer-content {
    text-align: center;
    padding-bottom: 32px;
}

.footer-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-bottom: 12px;
    font-size: 1.1rem;
}

.footer-logo .logo-icon {
    font-size: 1.4rem;
}

.footer-tagline {
    color: rgba(255,255,255,0.5);
    font-size: 0.95rem;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding: 20px 0;
    text-align: center;
    font-size: 0.8rem;
    color: rgba(255,255,255,0.4);
}

/* --- Modal --- */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(10, 22, 40, 0.6);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition);
}

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

.modal {
    background: var(--white);
    padding: 48px;
    border-radius: var(--radius);
    text-align: center;
    max-width: 460px;
    width: 90%;
    transform: scale(0.9);
    transition: transform var(--transition);
}

.modal-overlay.active .modal {
    transform: scale(1);
}

.modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-light);
}

.modal-icon {
    width: 64px;
    height: 64px;
    background: rgba(39, 174, 96, 0.1);
    color: var(--success);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    margin: 0 auto 20px;
}

.modal h3 {
    margin-bottom: 12px;
}

.modal p {
    color: var(--text-light);
    margin-bottom: 24px;
    font-size: 0.95rem;
}

/* --- Animations --- */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* --- Responsive --- */
@media (max-width: 1024px) {
    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .apartment-card {
        grid-template-columns: 1fr;
    }

    .apartment-card:nth-child(even) {
        direction: ltr;
    }

    .booking-wrapper {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(10, 22, 40, 0.98);
        flex-direction: column;
        padding: 20px 24px;
        gap: 16px;
    }

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

    .nav-toggle {
        display: flex;
    }

    .lang-switcher {
        position: absolute;
        top: 100%;
        right: 24px;
        margin-top: -48px;
    }

    .nav-links.open ~ .lang-switcher {
        position: static;
        margin-top: 0;
    }

    .features-strip .container {
        grid-template-columns: 1fr 1fr;
        gap: 20px;
    }

    .section {
        padding: 60px 0;
    }

    .about-stats {
        gap: 24px;
    }

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

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .calendar-controls {
        flex-direction: column;
        align-items: stretch;
    }

    .apt-selector {
        justify-content: center;
    }

    .month-nav {
        justify-content: center;
    }

    .hero-cta {
        flex-direction: column;
        align-items: center;
    }

    .apt-info {
        padding: 24px;
    }
}

@media (max-width: 480px) {
    .features-strip .container {
        grid-template-columns: 1fr;
    }

    .about-stats {
        flex-direction: column;
        gap: 16px;
    }

    .calendar-grid {
        gap: 2px;
    }

    .cal-day {
        padding: 8px 2px;
        font-size: 0.8rem;
    }

    .booking-form {
        padding: 24px;
    }
}