/* ============================================
   Gakhyil Tours & Travel - Main Stylesheet
   ============================================ */

/* CSS Variables */
:root {
    --primary: #8B4513;
    --primary-dark: #6B3410;
    --primary-light: #A0522D;
    --secondary: #D4AF37;
    --secondary-dark: #B8941F;
    --accent: #C41E3A;
    --accent-dark: #A01828;
    --dark: #2C1810;
    --light: #F8F5F0;
    --text: #3D2817;
    --text-light: #6B5947;
    --white: #FFFFFF;
    --overlay: rgba(15, 8, 6, 0.632);
    --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 5px 30px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 15px 50px rgba(139, 69, 19, 0.15);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
    font-family: 'Lora', serif;
    color: var(--text);
    background: var(--light);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

a {
    text-decoration: none;
    color: inherit;
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--light);
}

::-webkit-scrollbar-thumb {
    background: var(--primary);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-dark);
}

/* Loading Animation */
.page-loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--light);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    opacity: 1;
    transition: opacity 0.5s ease-out;
}

.page-loader.fade-out {
    opacity: 0;
    pointer-events: none;
}

.loader {
    width: 50px;
    height: 50px;
    border: 4px solid var(--secondary);
    border-top: 4px solid var(--accent);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Navigation */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(248, 245, 240, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 2px solid var(--secondary);
    transition: var(--transition);
    animation: slideDown 0.6s ease-out;
}

nav.scrolled {
    box-shadow: var(--shadow-md);
    background: rgba(248, 245, 240, 0.98);
}

@keyframes slideDown {
    from {
        transform: translateY(-100%);
    }
    to {
        transform: translateY(0);
    }
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1.2rem 3rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: 'Cormorant Garamond', serif;
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary);
    letter-spacing: 1px;
    transition: var(--transition);
    position: relative;
}

.logo:hover {
    color: var(--accent);
    transform: translateY(-2px);
}

.nav-links {
    display: flex;
    gap: 3rem;
    list-style: none;
}

.nav-links a {
    color: var(--text);
    font-size: 1rem;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
    padding: 0.5rem 0;
}

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

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

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

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--primary);
    border-radius: 2px;
    transition: var(--transition);
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translateY(8px);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translateY(-8px);
}

/* Hero Section with Parallax */
.hero {
    margin-top: 85px;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    overflow: hidden;
}

/* Parallax Background */
.hero-parallax-bg {
    position: absolute;
    top: -10%;
    left: -10%;
    width: 120%;
    height: 120%;
    background: url('../img/flower_bhutan.jpg') center/cover no-repeat;
    background-attachment: fixed;
    z-index: 0;
    will-change: transform;
    transition: transform 0.1s ease-out;
}

/* Gradient Overlay */
.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        135deg,
        rgba(44, 24, 16, 0.75) 0%,
        rgba(0, 0, 0, 0.6) 50%,
        rgba(0, 0, 0, 0.75) 100%
    );
    z-index: 1;
}

/* Floating Ornaments */
.floating-ornament {
    position: absolute;
    background: radial-gradient(circle, rgba(25, 24, 22, 0.15) 0%, transparent 70%);
    border-radius: 50%;
    z-index: 1;
    animation: float 6s ease-in-out infinite;
}

.ornament-1 {
    width: 400px;
    height: 400px;
    top: 10%;
    left: 10%;
    animation-delay: 0s;
}

.ornament-2 {
    width: 300px;
    height: 300px;
    top: 60%;
    right: 15%;
    animation-delay: 2s;
}

.ornament-3 {
    width: 250px;
    height: 250px;
    bottom: 20%;
    left: 20%;
    animation-delay: 4s;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) scale(1); opacity: 0.3; }
    50% { transform: translateY(-30px) scale(1.1); opacity: 0.6; }
}

.hero-content {
    max-width: 1100px;
    padding: 3rem 2rem;
    position: relative;
    z-index: 2;
}

/* Hero Badge */
.hero-badge {
    display: inline-block;
    padding: 0.6rem 1.5rem;
    background: rgba(212, 175, 55, 0.2);
    border: 2px solid var(--secondary);
    border-radius: 50px;
    color: var(--secondary);
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 2rem;
    backdrop-filter: blur(10px);
    animation: fadeInDown 0.8s ease-out 0.2s both;
}

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

/* Hero Title */
.hero-title {
    font-family: 'Cormorant Garamond', serif;
    font-size: clamp(2.5rem, 6vw, 5.5rem);
    font-weight: 700;
    color: var(--white);
    margin-bottom: 2rem;
    line-height: 1.15;
}

.title-line {
    display: block;
    animation: fadeInUp 1s ease-out both;
    background: linear-gradient(to right, #ffffff, #f5f5f5, #ffffff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.title-line:first-child {
    animation-delay: 0.4s;
}

.title-line:last-child {
    animation-delay: 0.6s;
    background: linear-gradient(to right, #D4AF37, #FFD700, #D4AF37);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Hero Description */
.hero-description {
    font-size: clamp(1.05rem, 2vw, 1.35rem);
    color: rgba(255, 255, 255, 0.95);
    margin-bottom: 3rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.8;
    text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.5);
    animation: fadeInUp 1s ease-out 0.8s both;
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.85rem;
    letter-spacing: 1px;
    animation: fadeIn 1s ease-out 1.5s both;
}

.scroll-arrow {
    width: 30px;
    height: 50px;
    border: 2px solid rgba(255, 255, 255, 0.6);
    border-radius: 20px;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding-top: 8px;
    animation: bounce 2s ease-in-out infinite;
}

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

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* Page Header */
.page-header {
    margin-top: 85px;
    background: linear-gradient(rgba(44, 24, 16, 0.6), rgba(44, 24, 16, 0.6)), 
                url('../images/hero-bg.jpg') center/cover no-repeat;
    padding: 6rem 3rem;
    text-align: center;
}

.page-header h1 {
    font-family: 'Cormorant Garamond', serif;
    font-size: clamp(2.5rem, 5vw, 4rem);
    color: var(--white);
    text-shadow: 2px 4px 8px rgba(0, 0, 0, 0.4);
}

/* Buttons */
.btn-group {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 1s ease-out 0.6s both;
}

.btn {
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 50px;
    transition: var(--transition);
    border: 2px solid transparent;
    cursor: pointer;
    display: inline-block;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn span {
    position: relative;
    z-index: 1;
}

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

.btn-primary:hover {
    background: var(--accent-dark);
    border-color: var(--accent-dark);
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(196, 30, 58, 0.3);
}

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

.btn-secondary:hover {
    background: var(--white);
    color: var(--primary);
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(255, 255, 255, 0.2);
}

/* Section Styling */
section {
    padding: 7rem 3rem;
    max-width: 1400px;
    margin: 0 auto;
    position: relative;
}

.section-title {
    font-family: 'Cormorant Garamond', serif;
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 700;
    text-align: center;
    margin-bottom: 1rem;
    color: var(--primary);
    position: relative;
}

.section-title::before {
    content: '◆';
    display: block;
    font-size: 1.5rem;
    color: var(--secondary);
    margin-bottom: 1rem;
    opacity: 0.6;
}

.section-title::after {
    content: '';
    display: block;
    width: 120px;
    height: 4px;
    background: linear-gradient(90deg, transparent, var(--secondary), transparent);
    margin: 1.5rem auto 0;
    position: relative;
}

section > p {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 4rem;
    font-size: 1.15rem;
    color: var(--text-light);
    line-height: 1.8;
}

/* Cards */
.card {
    background: var(--white);
    border-radius: 15px;
    box-shadow: var(--shadow-md);
    transition: var(--transition-slow);
    overflow: hidden;
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

/* Features Grid */
.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 3rem;
    margin-top: 3rem;
}

.feature-card {
    text-align: center;
    padding: 3rem 2.5rem;
    position: relative;
    background: linear-gradient(135deg, #ffffff 0%, #fefefe 100%);
    border: 1px solid rgba(212, 175, 55, 0.1);
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--secondary), var(--accent));
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-card:nth-child(1) { animation-delay: 0.1s; }
.feature-card:nth-child(2) { animation-delay: 0.2s; }
.feature-card:nth-child(3) { animation-delay: 0.3s; }

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

.feature-card img {
    width: 90px;
    height: 90px;
    margin: 0 auto 2rem;
    transition: var(--transition);
    filter: drop-shadow(0 4px 10px rgba(139, 69, 19, 0.1));
}

.feature-card:hover img {
    transform: scale(1.15) rotate(5deg);
    filter: drop-shadow(0 8px 20px rgba(139, 69, 19, 0.2));
}

.feature-card h3 {
    font-family: 'Cormorant Garamond', serif;
    font-size: 2rem;
    margin-bottom: 1.2rem;
    color: var(--primary);
    position: relative;
    display: inline-block;
}

.feature-card h3::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 2px;
    background: var(--secondary);
}

.feature-card p {
    font-size: 1.05rem;
    color: var(--text-light);
    line-height: 1.8;
}

/* Footer */
footer {
    background: var(--dark);
    color: var(--white);
    padding: 3rem 3rem 1.5rem;
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-links {
    list-style: none;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    display: block;
    margin-bottom: 0.8rem;
    transition: var(--transition);
}

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

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--accent);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
    font-size: 1.5rem;
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: var(--accent-dark);
    transform: translateY(-5px);
}

/* Responsive Design */
@media (max-width: 968px) {
    .nav-links {
        position: fixed;
        top: 85px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 85px);
        background: rgba(248, 245, 240, 0.98);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 2rem;
        transition: left 0.3s ease;
    }

    .nav-links.active {
        left: 0;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    section {
        padding: 4rem 2rem;
    }

    .features {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

@media (max-width: 480px) {
    .nav-container {
        padding: 1rem 1.5rem;
    }

    .hero {
        min-height: 70vh;
    }

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

    .btn {
        width: 100%;
        max-width: 300px;
    }
}