/* ========== RESET & BASE STYLES ========== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Prevent horizontal scroll */
html, body {
    max-width: 100%;
    overflow-x: hidden;
}

section {
    overflow-x: hidden;
}

:root {
    --primary-color: #101b43;
    --secondary-color: #0a1229;
    --accent-color: #fece07;
    --accent-light: #fff4cc;
    --dark-color: #101b43;
    --light-color: #f8fafc;
    --gray-color: #64748b;
    --success-color: #10b981;
    --gradient-1: linear-gradient(135deg, #101b43 0%, #1a2f6b 100%);
    --gradient-2: linear-gradient(135deg, #fece07 0%, #fdb913 100%);
    --gradient-3: linear-gradient(135deg, #101b43 0%, #fece07 100%);
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 25px rgba(16,27,67,0.25);
    --shadow-xl: 0 20px 40px rgba(16,27,67,0.3);
    --shadow-yellow: 0 10px 30px rgba(254,206,7,0.3);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--dark-color);
    background-color: var(--light-color);
    overflow-x: hidden;
    transition: opacity 0.3s ease;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ========== NAVBAR ========== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: transparent;
    z-index: 1000;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    background-color: rgba(16, 27, 67, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-md);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 20px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: bold;
    color: white;
    cursor: pointer;
}

.logo-img {
    height: 50px;
    width: auto;
    object-fit: contain;
    transition: all 0.3s ease;
}

.logo-img:hover {
    transform: scale(1.05);
}

.logo i {
    color: var(--accent-color);
    font-size: 1.8rem;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-color);
    transition: width 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
}

.btn-rezervisi {
    background: var(--accent-color);
    color: var(--dark-color);
    padding: 0.6rem 1.5rem;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 700;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.btn-rezervisi:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-yellow);
    background: #ffd700;
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: white;
    border-radius: 3px;
    transition: all 0.3s ease;
}

/* ========== LANGUAGE SWITCHER ========== */
.language-switcher {
    display: flex;
    align-items: center;
    gap: 10px;
}

.lang-label {
    color: white;
    font-weight: 600;
    font-size: 0.9rem;
}

.switch {
    position: relative;
    display: inline-block;
    width: 50px;
    height: 26px;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.3);
    transition: 0.4s;
    border-radius: 34px;
    border: 2px solid rgba(255, 255, 255, 0.5);
}

.slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 2px;
    bottom: 2px;
    background-color: white;
    transition: 0.4s;
    border-radius: 50%;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

input:checked + .slider {
    background: var(--accent-color);
    border-color: var(--accent-color);
}

input:checked + .slider:before {
    background-color: var(--dark-color);
}

input:checked + .slider:before {
    transform: translateX(24px);
}

.slider:hover {
    background: rgba(255, 255, 255, 0.4);
}

input:checked + .slider:hover {
    background: #ffd700;
    opacity: 1;
}

/* ========== HERO SECTION ========== */
.hero {
    height: 100vh;
    background: linear-gradient(rgba(0, 0, 0, 0.3), rgba(0, 0, 0, 0.3)),
                url('img/kopaonik_hero.jpeg') center/cover no-repeat;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    background-attachment: fixed;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, rgba(16, 27, 67, 0.3), rgba(254, 206, 7, 0.1));
    animation: gradientShift 10s ease infinite;
}

@keyframes gradientShift {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 0.6; }
}

.hero-content {
    text-align: center;
    color: white;
    z-index: 1;
    animation: fadeInUp 1s ease;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-title {
    font-size: 4rem;
    font-weight: 900;
    margin-bottom: 1rem;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

.hero-title .word {
    display: inline-block;
    animation: wordFloat 2s ease-in-out infinite;
}

.hero-title .word:nth-child(1) { animation-delay: 0s; }
.hero-title .word:nth-child(2) { animation-delay: 0.1s; }
.hero-title .word:nth-child(3) { animation-delay: 0.2s; }
.hero-title .word:nth-child(4) { animation-delay: 0.3s; }

@keyframes wordFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    opacity: 0;
    animation: fadeIn 1s ease 0.5s forwards;
}

@keyframes fadeIn {
    to { opacity: 1; }
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    opacity: 0;
    animation: fadeIn 1s ease 1s forwards;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 1rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.2);
    transition: left 0.5s ease;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: var(--accent-color);
    color: var(--dark-color);
    font-weight: 700;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-yellow);
    background: #ffd700;
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-3px);
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
    40% { transform: translateX(-50%) translateY(-10px); }
    60% { transform: translateX(-50%) translateY(-5px); }
}

.mouse {
    width: 30px;
    height: 50px;
    border: 2px solid white;
    border-radius: 15px;
    position: relative;
}

.mouse::before {
    content: '';
    position: absolute;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 8px;
    background: white;
    border-radius: 2px;
    animation: scroll 2s infinite;
}

@keyframes scroll {
    0% { opacity: 1; top: 10px; }
    100% { opacity: 0; top: 30px; }
}

/* ========== SECTION STYLES ========== */
section {
    padding: 100px 0;
    position: relative;
}

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

.section-tag {
    display: inline-block;
    background: var(--accent-color);
    color: var(--dark-color);
    padding: 0.5rem 1.5rem;
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: 700;
    margin-bottom: 1rem;
    animation: fadeInDown 0.6s ease;
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.section-title {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1rem;
    color: var(--dark-color);
    animation: fadeInUp 0.6s ease 0.2s both;
}

.section-description {
    font-size: 1.2rem;
    color: var(--gray-color);
    max-width: 600px;
    margin: 0 auto;
    animation: fadeInUp 0.6s ease 0.4s both;
}

/* ========== ABOUT SECTION ========== */
.about {
    background: white;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.feature-card {
    display: flex;
    gap: 1.5rem;
    padding: 2rem;
    background: var(--light-color);
    border-radius: 15px;
    margin-bottom: 1.5rem;
    transition: all 0.3s ease;
    opacity: 0;
    animation: slideInLeft 0.6s ease forwards;
}

.feature-card:nth-child(1) { animation-delay: 0.2s; }
.feature-card:nth-child(2) { animation-delay: 0.4s; }
.feature-card:nth-child(3) { animation-delay: 0.6s; }

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.feature-card:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-3);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.feature-icon i {
    font-size: 1.8rem;
    color: var(--accent-color);
}

.feature-content h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: var(--dark-color);
}

.feature-content p {
    color: var(--gray-color);
}

.about-image {
    opacity: 0;
    animation: slideInRight 0.8s ease 0.3s forwards;
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.image-wrapper {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.image-wrapper::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--dark-color), var(--accent-color));
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 1;
}

.image-wrapper:hover::before {
    opacity: 0.2;
}

.image-wrapper img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.5s ease;
}

.image-wrapper:hover img {
    transform: scale(1.1);
}

/* ========== GALLERY SECTION ========== */
.gallery {
    background: var(--light-color);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    grid-auto-rows: 300px;
    gap: 2rem;
    grid-auto-flow: dense;
}

.gallery-item {
    position: relative;
    border-radius: 15px;
    overflow: hidden;
    cursor: pointer;
    box-shadow: var(--shadow-md);
    opacity: 0;
    animation: zoomIn 0.6s ease forwards;
}

/* Portrait slike zauzimaju 2 reda */
.gallery-item.portrait {
    grid-row: span 2;
}

.gallery-item:nth-child(1) { animation-delay: 0.1s; }
.gallery-item:nth-child(2) { animation-delay: 0.2s; }
.gallery-item:nth-child(3) { animation-delay: 0.3s; }
.gallery-item:nth-child(4) { animation-delay: 0.4s; }
.gallery-item:nth-child(5) { animation-delay: 0.5s; }
.gallery-item:nth-child(6) { animation-delay: 0.6s; }

@keyframes zoomIn {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: transform 0.5s ease;
}

.gallery-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom, transparent, rgba(0, 0, 0, 0.8));
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-end;
    padding: 2rem;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.gallery-item:hover .gallery-overlay {
    opacity: 1;
}

.gallery-item:hover img {
    transform: scale(1.1);
}

.gallery-overlay h3 {
    color: white;
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.gallery-overlay i {
    color: white;
    font-size: 2rem;
}

/* ========== AMENITIES SECTION ========== */
.amenities {
    background: white;
}

.amenities-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.amenity-card {
    text-align: center;
    padding: 2.5rem 1.5rem;
    background: var(--light-color);
    border-radius: 15px;
    transition: all 0.3s ease;
    opacity: 0;
    animation: fadeInUp 0.6s ease forwards;
}

.amenity-card:nth-child(1) { animation-delay: 0.1s; }
.amenity-card:nth-child(2) { animation-delay: 0.2s; }
.amenity-card:nth-child(3) { animation-delay: 0.3s; }
.amenity-card:nth-child(4) { animation-delay: 0.4s; }
.amenity-card:nth-child(5) { animation-delay: 0.5s; }
.amenity-card:nth-child(6) { animation-delay: 0.6s; }
.amenity-card:nth-child(7) { animation-delay: 0.7s; }
.amenity-card:nth-child(8) { animation-delay: 0.8s; }

.amenity-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
    background: white;
}

.amenity-card i {
    font-size: 3rem;
    color: var(--accent-color);
    margin-bottom: 1rem;
    transition: transform 0.3s ease;
}

.amenity-card:hover i {
    transform: scale(1.1);
}

.amenity-card h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: var(--dark-color);
}

.amenity-card p {
    color: var(--gray-color);
}

/* ========== CONTACT SECTION ========== */
.contact {
    background: var(--light-color);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 4rem;
    margin-top: 3rem;
}

.contact-info h3 {
    font-size: 2rem;
    margin-bottom: 2rem;
    color: var(--dark-color);
}

.info-item {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 2rem;
    animation: fadeInLeft 0.6s ease forwards;
}

.info-item:nth-child(2) { animation-delay: 0.2s; }
.info-item:nth-child(3) { animation-delay: 0.4s; }
.info-item:nth-child(4) { animation-delay: 0.6s; }

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.info-item i {
    width: 50px;
    height: 50px;
    background: var(--accent-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--dark-color);
    font-size: 1.3rem;
    flex-shrink: 0;
}

.info-item h4 {
    font-size: 1.1rem;
    margin-bottom: 0.3rem;
    color: var(--dark-color);
}

.info-item p {
    color: var(--gray-color);
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

.social-links a {
    width: 50px;
    height: 50px;
    background: var(--accent-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--dark-color);
    font-size: 1.3rem;
    transition: all 0.3s ease;
}

.social-links a:hover {
    transform: translateY(-5px) rotate(360deg);
    box-shadow: var(--shadow-yellow);
    background: #ffd700;
}

.contact-form {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    animation: fadeInRight 0.8s ease;
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.form-group {
    position: relative;
}

.form-group.full-width {
    grid-column: 1 / -1;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 2px solid #e2e8f0;
    border-radius: 10px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: white;
}

/* Hide date placeholder text */
.form-group input[type="date"]::-webkit-datetime-edit-text,
.form-group input[type="date"]::-webkit-datetime-edit-month-field,
.form-group input[type="date"]::-webkit-datetime-edit-day-field,
.form-group input[type="date"]::-webkit-datetime-edit-year-field {
    color: transparent;
}

.form-group input[type="date"]:focus::-webkit-datetime-edit-text,
.form-group input[type="date"]:focus::-webkit-datetime-edit-month-field,
.form-group input[type="date"]:focus::-webkit-datetime-edit-day-field,
.form-group input[type="date"]:focus::-webkit-datetime-edit-year-field {
    color: var(--dark-color);
}

.form-group input[type="date"]:valid::-webkit-datetime-edit-text,
.form-group input[type="date"]:valid::-webkit-datetime-edit-month-field,
.form-group input[type="date"]:valid::-webkit-datetime-edit-day-field,
.form-group input[type="date"]:valid::-webkit-datetime-edit-year-field {
    color: var(--dark-color);
}

/* Calendar icon */
.form-group input[type="date"]::-webkit-calendar-picker-indicator {
    cursor: pointer;
    opacity: 0.6;
    transition: opacity 0.3s ease;
}

.form-group input[type="date"]:hover::-webkit-calendar-picker-indicator {
    opacity: 1;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 4px rgba(254, 206, 7, 0.2);
}

.form-group label {
    position: absolute;
    top: 1rem;
    left: 1rem;
    color: var(--gray-color);
    transition: all 0.3s ease;
    pointer-events: none;
}

.form-group input:focus + label,
.form-group input:valid + label,
.form-group textarea:focus + label,
.form-group textarea:valid + label {
    top: -0.5rem;
    left: 0.5rem;
    font-size: 0.8rem;
    color: var(--accent-color);
    background: white;
    padding: 0 0.5rem;
}

.contact-form button {
    grid-column: 1 / -1;
    justify-self: start;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

/* ========== FOOTER ========== */
.footer {
    background: var(--dark-color);
    color: white;
    padding: 2rem 0;
    text-align: center;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: bold;
}

.footer-logo .logo-img {
    height: 40px;
    width: auto;
}

.footer-logo i {
    color: var(--accent-color);
    font-size: 1.8rem;
}

/* ========== RESPONSIVE ========== */
@media (max-width: 968px) {
    body {
        overflow-x: hidden;
    }

    .container {
        padding: 0 15px;
        max-width: 100%;
    }

    .hamburger {
        display: flex;
        z-index: 1001;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 300px;
        height: 100vh;
        background: var(--dark-color);
        flex-direction: column;
        justify-content: center;
        transition: right 0.3s ease;
        padding: 2rem;
    }

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

    .language-switcher {
        margin-top: 2rem;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .about-content {
        grid-template-columns: 1fr;
    }

    .gallery-grid {
        grid-template-columns: 1fr;
        grid-auto-rows: 250px;
        gap: 1.5rem;
    }

    .gallery-item.portrait {
        grid-row: span 2;
    }

    .contact-content {
        grid-template-columns: 1fr;
    }

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

    .section-title {
        font-size: 2rem;
    }
}

@media (max-width: 640px) {
    * {
        max-width: 100%;
    }

    body, html {
        overflow-x: hidden;
        position: relative;
    }

    .container {
        padding: 0 10px;
        width: 100%;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: stretch;
    }

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

    .logo-img {
        height: 40px;
    }

    .logo span {
        font-size: 1.2rem;
    }

    .footer-logo .logo-img {
        height: 35px;
    }

    /* Prevent any element from causing horizontal scroll */
    img, video, iframe {
        max-width: 100%;
        height: auto;
    }
}