:root {
    --primary-color: #1b98e0;
    --secondary-color: #0077c2;
    --dark-bg: #1a1a1a;
    --light-bg: #e8f1f2;
    --accent-color: #ff4757;
    --text-main: #2f3542;
    --text-muted: #747d8c;
    --card-shadow: 0 10px 30px rgba(0,0,0,0.08);
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --header-gradient: linear-gradient(to right, #1b98e0, #0077c2);
}

body {
    font-family: 'Inter', sans-serif;
    color: var(--text-main);
    background-color: #fff;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5 {
    font-family: 'Poppins', sans-serif;
    font-weight: 700;
}

/* Header & Navbar */
.main-header .navbar,
.footer {
    background: var(--header-gradient) !important;
    color: #FFFFFF !important;
}

.main-header .navbar .nav-link,
.main-header .navbar .navbar-brand,
.main-header .navbar .navbar-toggler {
    color: #FFFFFF !important;
    border-color: rgba(255, 255, 255, 0.5) !important;
}

.main-header .navbar .navbar-toggler-icon {
    filter: brightness(0) invert(1);
}

.main-header .navbar .nav-link:hover {
    opacity: 0.8;
}

.navbar-brand .logo-img {
    transition: var(--transition-smooth);
}

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

.btn-whatsapp {
    background-color: #25d366;
    color: white;
    border: none;
    transition: var(--transition-smooth);
}

.btn-whatsapp:hover {
    background-color: #128c7e;
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(37, 211, 102, 0.3);
}

/* Hero Carousel */
.carousel-item {
    height: 600px;
    background-color: #000;
}

.carousel-item img {
    object-fit: cover;
    opacity: 0.6;
    height: 100%;
    width: 100%;
}

.carousel-caption {
    bottom: 20%;
    text-align: left;
    max-width: 800px;
    left: 10%;
    right: auto;
    background: rgba(0, 0, 0, 0.7);
    padding: 30px;
    border-radius: 20px;
    backdrop-filter: blur(5px);
}

.carousel-caption h2 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    line-height: 1.2;
    text-shadow: 2px 2px 10px rgba(0,0,0,0.5);
}

/* Package Cards */
.card-package {
    border: none;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--card-shadow);
    transition: var(--transition-smooth);
    height: 100%;
}

.card-package:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.12);
}

.card-img-wrapper {
    position: relative;
    height: 220px;
    overflow: hidden;
}

.card-img-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-smooth);
}

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

.badge-days {
    position: absolute;
    bottom: 15px;
    right: 15px;
    background: rgba(0, 89, 206, 0.7);
    backdrop-filter: blur(5px);
    color: white;
    padding: 6px 15px;
    border-radius: 30px;
    font-size: 0.85rem;
    font-weight: 500;
}

.card-body-content {
    padding: 1.5rem;
}

.package-title {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: var(--text-main);
}

.package-meta {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 1rem;
}

.price-section {
    margin-top: auto;
}

.installment {
    font-size: 1.5rem;
    color: var(--primary-color);
    font-weight: 700;
}

.full-price {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.package-features {
    font-size: 0.85rem;
    color: var(--text-muted);
    background: var(--light-bg);
    padding: 10px;
    border-radius: 10px;
    margin-bottom: 1.5rem;
    height: 80px;
    overflow-y: auto;
}

/* Sections */
.section-title {
    position: relative;
    padding-bottom: 15px;
    margin-bottom: 40px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 4px;
    background: var(--primary-color);
    border-radius: 2px;
}

/* Buttons */
.btn-primary-custom {
    background-color: var(--primary-color);
    border: none;
    padding: 10px 25px;
    border-radius: 50px;
    font-weight: 600;
    transition: var(--transition-smooth);
}

.btn-primary-custom:hover {
    background-color: #0056b3;
    transform: scale(1.05);
}

.btn-inter {
    background-color: darkred;
    color: white;
    border: none;
    padding: 10px 25px;
    border-radius: 50px;
    font-weight: 600;
    transition: var(--transition-smooth);
}

.btn-inter:hover {
    background-color: #8b0000;
    color: white;
    transform: scale(1.05);
}

/* Footer */
.footer h5,
.footer p,
.footer a,
.footer .text-muted,
.footer .small,
.footer .footer-links a {
    color: #FFFFFF !important;
}

.footer .social-links a i {
    color: #FFFFFF !important;
}

.footer-links a:hover {
    color: #FFFFFF !important;
    text-decoration: underline;
    padding-left: 5px;
}

.footer hr {
    border-color: rgba(255, 255, 255, 0.2) !important;
}

.footer .newsletter-form .form-control {
    color: #FFFFFF !important;
    border-color: rgba(255, 255, 255, 0.5) !important;
}

.footer .newsletter-form .form-control::placeholder {
    color: rgba(255, 255, 255, 0.6) !important;
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    .carousel-item {
        height: 400px;
    }
    .carousel-caption h2 {
        font-size: 2rem;
    }
}