/* ==========================
   Fiberworld Hero Slider
   Fully Responsive Version
   ========================== */

/* Root Variables */
:root {
    --primary-color: #0056b3;
    --secondary-color: #6c757d;
    --accent-color: #28a745;
    --light-bg: #f2f7ff;
    --dark-bg: #212529;
    --text-dark: #343a40;
    --text-light: #f8f9fa;
    --gradient-start: #007bff;
    --gradient-end: #0056b3;
}

/* General Styles */
body {
    font-family: "Open Sans", sans-serif;
    color: var(--text-dark);
    margin: 0;
    padding: 0;
    line-height: 1.6;
    background-color: #fff;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: "Poppins", sans-serif;
    font-weight: 600;
    color: var(--text-dark);
}

/* ==========================
   Swiper / Hero Slider
   ========================== */
.swiper {
    width: 100%;
    height: 665px;
    position: relative;
}

.swiper-slide {
    position: relative;
    background-size: cover;
    background-position: center;
}

/* Overlay */
.swiper-slide::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.35); /* subtle dark overlay for readability */
    z-index: 1;
}

/* Slide Content */
.hero-slide-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    z-index: 2;
    width: 90%;
    max-width: 1200px;
    padding: 0 15px;
    color: white;
    display: flex;
    flex-direction: column;
    align-items: center;
}

/* Headings */
.hero-slide-content h1 {
    font-size: clamp(2rem, 5vw, 72px);
    font-weight: 700;
    margin-bottom: 20px;
    text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.3);
}

/* Paragraph */
.hero-slide-content p {
    font-size: clamp(1rem, 2.5vw, 1.5rem);
    margin-bottom: 25px;
    max-width: 90%;
    text-align: center;
}

/* Buttons */
.hero-slide-content a {
    display: inline-block;
    font-weight: 600;
    padding: 10px 25px;
    border-radius: 50px;
    font-size: clamp(0.9rem, 2vw, 1.2rem);
    text-decoration: none;
    margin: 5px;
    transition: all 0.3s ease;
}

.hero-btn-primary {
    background-color: #004494;
    border: 2px solid #004494;
    color: white;
}

.hero-btn-primary:hover {
    background-color: #003366;
    transform: translateY(-2px);
}

.hero2-btn-outline-light {
    border: 2px solid white;
    color: white;
}

.hero2-btn-outline-light:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

/* Swiper Navigation */
.swiper-button-next,
.swiper-button-prev {
    color: white;
}

/* Swiper Pagination */
.swiper-pagination-bullet {
    width: 20px;
    height: 4px;
    border-radius: 5px;
    background-color: white;
    opacity: 0.7;
    margin: 0 5px;
    transition: all 0.3s ease;
}

.swiper-pagination-bullet-active {
    background-color: var(--primary-color);
    opacity: 1;
    width: 35px;
}

/* ==========================
   Responsive
   ========================== */
@media (max-width: 1200px) {
    .swiper {
        height: 650px;
    }
}

@media (max-width: 992px) {
    .swiper {
        height: 550px;
    }

    .hero-slide-content h1 {
        font-size: clamp(2rem, 6vw, 50px);
    }

    .hero-slide-content p {
        font-size: clamp(0.9rem, 2.5vw, 1.2rem);
    }
}

@media (max-width: 768px) {
    .swiper {
        height: 450px;
    }

    .hero-slide-content h1 {
        font-size: 2.5rem;
    }

    .hero-slide-content p {
        font-size: 1rem;
    }

    .hero-slide-content {
        padding: 0 10px;
    }

    .hero-slide-content a {
        padding: 8px 20px;
        font-size: 0.9rem;
    }

    .swiper-pagination-bullet {
        width: 15px;
        height: 3px;
    }

    .swiper-pagination-bullet-active {
        width: 25px;
    }
}

@media (max-width: 480px) {
    .swiper {
        height: 350px;
    }

    .hero-slide-content h1 {
        font-size: 1.8rem;
    }

    .hero-slide-content p {
        font-size: 0.9rem;
    }

    .hero-slide-content a {
        padding: 6px 15px;
        font-size: 0.8rem;
    }

    /* Stack buttons vertically on very small screens */
    .hero-slide-content a {
        width: 100%;
        text-align: center;
    }
}