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

:root {
    /* Light Mode Colors */
    --main-color: #7c6a46;
    --main-color-rgb: 124, 106, 70;
    --main-bg-color: #fafafa;
    --text-color: #000000;
    --card-bg: #ffffff;
    --footer-bg: #7c6a46;
    --input-bg: #ffffff;
    --border-color: #e0e0e0;
    --shadow-color: rgba(0, 0, 0, 0.08);
    
    /* Dark Mode Colors */
    --dark-bg: #1a1814;
    --dark-surface: #24201b;
    --dark-card: #2d2822;
    --dark-text: #f5f0e8;
    --dark-text-muted: #a89a8a;
    --dark-border: #3d352c;
    --dark-shadow: rgba(0, 0, 0, 0.3);
    --accent-gold: #c9a962;
}

.dark-mode {
    --main-bg-color: var(--dark-bg);
    --text-color: var(--dark-text);
    --card-bg: var(--dark-card);
    --footer-bg: var(--dark-surface);
    --input-bg: var(--dark-surface);
    --border-color: var(--dark-border);
    --shadow-color: var(--dark-shadow);
}

/* Smooth transitions */
body, section .cards, footer, input, .vector {
    transition: background-color 0.4s ease, color 0.4s ease, border-color 0.4s ease, box-shadow 0.4s ease;
}

body {
    font-family: "Poppins", sans-serif;
    background-color: var(--main-bg-color);
    color: var(--text-color);
}

/* Theme Toggle Button */
.theme-toggle {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--main-color);
    border: 2px solid white;
    cursor: pointer;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    transition: all 0.3s ease;
}

.theme-toggle:hover {
    transform: scale(1.1) rotate(15deg);
    background: var(--accent-gold);
}

.theme-toggle i {
    color: white;
    font-size: 20px;
}

.dark-mode .theme-toggle {
    background: var(--accent-gold);
    border-color: var(--dark-border);
}

.dark-mode .theme-toggle:hover {
    background: var(--main-color);
}

ul {
    list-style: none;
}

a {
    text-decoration: none;
}

html {
    scroll-behavior: smooth;
}

.book-btn {
    background-color: var(--main-color);
    transition: background-color 0.3s ease, transform 0.3s ease;
    color: white;
    border: none;
}

@media (min-width:992px) {
    .book-btn:hover {
        background-color: #5f5434;
        transform: scale(1.05);
    }
    
    .dark-mode .book-btn:hover {
        background-color: var(--accent-gold);
        color: var(--dark-bg);
    }
}

.dark-mode .book-btn {
    background-color: var(--accent-gold);
    color: var(--dark-bg);
}

/* Navigation */
nav.navbar {
    background-color: var(--card-bg) !important;
    box-shadow: 0 2px 10px var(--shadow-color);
}

nav .logo {
    height: 40px;
    transition: transform 0.3s ease;
}

nav .logo:hover {
    transform: scale(1.1);
}

nav .navbar-nav .nav-link {
    color: var(--text-color);
    font-size: 16px;
    font-weight: 500;
    transition: color 0.3s ease;
}

nav .navbar-nav .nav-link.active,
nav .navbar-nav .nav-link:hover {
    color: var(--main-color);
}

.dark-mode nav .navbar-nav .nav-link.active,
.dark-mode nav .navbar-nav .nav-link:hover {
    color: var(--accent-gold);
}

nav .navbar-toggler:focus {
    box-shadow: none;
}

nav .navbar-toggler i {
    color: var(--text-color);
}

/* Main Landing */
section .main-landing {
    background-image: url(../imgs/video.png);
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center;
    width: 100%;
    height: 100vh;
    position: relative;
}

section .main-landing .overlay {
    background-color: rgba(var(--main-color-rgb), 0.5);
    width: 100%;
    height: 100%;
}

.dark-mode section .main-landing .overlay {
    background-color: rgba(26, 24, 20, 0.7);
}

section .main-landing .text {
    font-family: 'Mulish', sans-serif !important;
}

section .main-landing .text h2 {
    color: white;
}

section .main-landing .text p {
    max-width: 800px;
    margin: auto;
    color: rgba(255, 255, 255, 0.9);
}

section .main-landing .overlay .mouse-scroll {
    width: 40px;
    height: 70px;
    border: 2px solid white;
    border-radius: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
}

section .main-landing .overlay .mouse-scroll i {
    color: white;
    font-size: 20px;
    animation: bouncing .8s ease-in-out infinite;
    -webkit-animation: bouncing .8s ease-in-out infinite;
    -moz-animation: bouncing .8s ease-in-out infinite;
    -ms-animation: bouncing .8s ease-in-out infinite;
    -o-animation: bouncing .8s ease-in-out infinite;
}

/* Book Room Section */
.book-room {
    background-color: var(--main-bg-color);
    padding: 20px;
}

/* Cards */
section .cards {
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.3s ease;
    background-color: var(--card-bg);
    box-shadow: 0 4px 15px var(--shadow-color);
    border: 1px solid var(--border-color);
}

section .cards:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px var(--shadow-color);
}

.dark-mode section .cards {
    background-color: var(--dark-card);
    border-color: var(--dark-border);
}

.dark-mode section .cards:hover {
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    border-color: var(--accent-gold);
}

section .cards img {
    height: 220px;
    object-fit: cover;
}

section .title h3 {
    font-family: 'Mulish', sans-serif;
    color: var(--text-color) !important;
}

.dark-mode section .title h3 {
    color: var(--dark-text) !important;
}

section .title p {
    font-family: 'Mulish', sans-serif;
    color: var(--main-color) !important;
}

.dark-mode section .title p {
    color: var(--accent-gold) !important;
}

section .card-body p {
    font-family: 'Mulish', sans-serif;
    color: var(--main-color) !important;
}

.dark-mode section .card-body p {
    color: var(--accent-gold) !important;
}

section .card-body .book hr {
    border-color: var(--border-color);
}

.dark-mode section .card-body .book hr {
    border-color: var(--dark-border);
}

section .vector {
    background-color: #F2F2F2;
    display: flex;
    justify-content: center;
    align-items: center;
    width: 45px;
    height: 45px;
    border-radius: 50%;
}

.dark-mode section .vector {
    background-color: var(--dark-surface);
}

section .vector img {
    width: 60%;
    height: auto;
    filter: brightness(0) saturate(100%) invert(42%) sepia(15%) saturate(1020%) hue-rotate(10deg) brightness(94%) contrast(88%);
}

.dark-mode section .vector img {
    filter: brightness(0) saturate(100%) invert(79%) sepia(11%) saturate(1018%) hue-rotate(2deg) brightness(90%) contrast(89%);
}

@media (max-width: 768px) {
    .cards img {
        height: 180px;
    }
    .book {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }
}

/* Footer */
footer {
    background-color: var(--footer-bg);
    transition: background-color 0.4s ease;
}

.dark-mode footer {
    background-color: var(--dark-surface);
    border-top: 1px solid var(--dark-border);
}

footer .nav-link {
    color: white;
    font-size: 16px;
    font-weight: 500;
    transition: 0.3s;
}

footer .nav-link:hover {
    color: #e0e0e0;
}

.dark-mode footer .nav-link {
    color: var(--dark-text-muted);
}

.dark-mode footer .nav-link:hover {
    color: var(--accent-gold);
}

footer h3, footer h5 {
    color: white;
}

.dark-mode footer h3, .dark-mode footer h5 {
    color: var(--dark-text);
}

footer p, footer .small {
    color: rgba(255, 255, 255, 0.8);
}

.dark-mode footer p, .dark-mode footer .small {
    color: var(--dark-text-muted);
}

footer form {
    width: 340px;
    position: relative;
}

footer form input[type="email"] {
    background-color: var(--input-bg);
    width: 100%;
    border: none;
    border-radius: 8px;
    height: 48px;
    padding-right: 120px;
    color: var(--text-color);
    font-size: 15px;
    transition: background-color 0.4s ease, color 0.4s ease;
}

footer form input[type="email"]::placeholder {
    color: #999;
}

.dark-mode footer form input[type="email"]::placeholder {
    color: var(--dark-text-muted);
}

footer form input[type="submit"] {
    position: absolute;
    top: 50%;
    right: 8px;
    transform: translateY(-50%);
    height: 36px;
    padding: 0 18px;
    font-size: 14px;
    border-radius: 6px;
    background-color: var(--main-color);
    color: white;
    border: none;
    line-height: 1;
    white-space: nowrap;
    cursor: pointer;
}

.dark-mode footer form input[type="submit"] {
    background-color: var(--accent-gold);
    color: var(--dark-bg);
}

footer hr {
    border-color: rgba(255, 255, 255, 0.3);
}

.dark-mode footer hr {
    border-color: var(--dark-border);
}

@keyframes bouncing { 
    0% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(10px);
    }
    60% {
        transform: translateY(10px);
    }
    100% {
        transform: translateY(0);
    }
}