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

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    padding-top: 76px;
    background: #fafcff;
    scroll-behavior: smooth;
    /* enables smooth scroll for anchor links */
}

/* ================= GLOBAL SMOOTH SCROLL ================= */

html {
    scroll-behavior: smooth;
}

/* ================= PRELOADER ================= */

.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;

    /* DECENT PROFESSIONAL BACKGROUND */
    background: linear-gradient(135deg, #f4f8fc, #eaf2fb);

    display: flex;
    align-items: center;
    justify-content: center;

    z-index: 99999;
    transition: opacity 0.6s ease, visibility 0.6s;
}

/* main loader */

.loader {
    position: relative;
    width: 120px;
    height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* outer ring */

.loader-outter {
    position: absolute;
    width: 120px;
    height: 120px;
    border-radius: 50%;
    border: 4px solid transparent;
    border-top: 4px solid #0d6efd;
    border-right: 4px solid #4db3ff;
    animation: rotate 2s linear infinite;
}

/* inner ring */

.loader-inner {
    position: absolute;
    width: 80px;
    height: 80px;
    border-radius: 50%;
    border: 4px solid transparent;
    border-bottom: 4px solid #00c6ff;
    border-left: 4px solid #0072ff;
    animation: rotateReverse 1.5s linear infinite;
}

/* heartbeat indicator */

.indicator svg {
    stroke: #0d6efd;
    stroke-width: 2;
    fill: none;
}

#front {
    stroke: #4db3ff;
    stroke-dasharray: 48;
    stroke-dashoffset: 48;
    animation: heartbeat 1.4s ease infinite;
}

/* glow */

.loader::after {
    content: '';
    position: absolute;
    width: 160px;
    height: 160px;
    border-radius: 50%;
    background: radial-gradient(circle, #4db3ff33, transparent);
    animation: pulseGlow 2s ease infinite;
}

/* animations */

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

@keyframes rotateReverse {
    100% {
        transform: rotate(-360deg);
    }
}

@keyframes heartbeat {
    0% {
        stroke-dashoffset: 48;
    }

    50% {
        stroke-dashoffset: 0;
    }

    100% {
        stroke-dashoffset: -48;
    }
}

@keyframes pulseGlow {

    0%,
    100% {
        transform: scale(1);
        opacity: 0.6;
    }

    50% {
        transform: scale(1.2);
        opacity: 0.2;
    }
}

/* ========== NAVBAR (fixed, crisp) ========== */
.navbar {
    background: #ffffff !important;
    border-bottom: 1px solid rgba(0, 0, 0, 0.03);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1030;
    box-shadow: 0 6px 18px rgba(0, 20, 40, 0.06);
}

.btn-book-demo {
    background: radial-gradient(circle at 30% 20%, #51b0e7, #2C2D3F);
    color: white;
    border: none;
    border-radius: 10px;
    padding: 10px 28px;
    font-weight: 600;
    letter-spacing: 0.3px;
    box-shadow: 0 0 10px #0d6efd55, 0 0 20px #0d6efd33;
    transition: all 0.25s ease;
    display: inline-block;
    text-decoration: none;
}

.btn-book-demo:hover {
    transform: scale(1.02) translateY(-2px);
    box-shadow: 0 0 18px #0d6efdcc, 0 0 30px #0d6efd80;
    background: radial-gradient(circle at 30% 20%, #60c0f0, #3a3c55);
    color: white;
}

/* navbar links */
.navbar-nav .nav-link {
    font-size: 1rem;
    padding: 8px 18px !important;
    color: #1e2a41 !important;
    font-weight: 500;
    border-radius: 40px;
    transition: 0.2s;
}

.navbar-nav .nav-link:hover {
    background: rgba(13, 110, 253, 0.06);
    color: #0d6efd !important;
}

.dropdown-menu {
    border-radius: 18px;
    border: none;
    padding: 10px 0;
    box-shadow: 0 25px 40px -10px rgba(0, 30, 60, 0.2);
}

.dropdown-item {
    font-weight: 500;
    padding: 10px 22px;
    transition: 0.2s;
}

.dropdown-item:hover {
    background: #e3f0ff;
    color: #0d6efd;
    padding-left: 28px;
}

/* mobile nav adjustments: the demo button inside dropdown */
.navbar-collapse .btn-book-demo.mobile-book {
    width: 100%;
    margin: 12px 0 8px;
    text-align: center;
    padding: 12px 20px;
    border-radius: 40px;
    font-size: 1.1rem;
}

@media (max-width:991px) {
    body {
        padding-top: 66px;
    }

    .navbar .d-lg-block {
        display: none !important;
        /* hide desktop button */
    }
}

@media (max-width:433px) {
    body {
        padding-top: 60px;
    }
}

/* ================= CONTACT SECTION ================= */

.contact-section {
    position: relative;
    padding: 120px 15px;

    /* Background medical image */
    background-image: url(../Image/backround\ 1.jpg);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: fixed;

    overflow: hidden;
}

/* Soft overlay (keep image visible) */
.contact-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;

    background: linear-gradient(rgba(255, 255, 255, 0.75),
            rgba(255, 255, 255, 0.85));

    z-index: 1;
}

/* Main Card */
.contact-card {
    position: relative;
    background: white;
    max-width: 950px;
    margin: auto;
    padding: 50px;
    border-radius: 12px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    z-index: 2;

    animation: fadeUp 0.9s ease;
}

/* Entrance animation */
@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Title */
.contact-title {
    font-weight: 700;
    margin-bottom: 10px;
    position: relative;
}

.contact-title::after {
    content: '';
    width: 80px;
    height: 3px;
    background: #0d6efd;
    position: absolute;
    bottom: -6px;
    left: 0;
}

.contact-subtitle {
    margin-bottom: 30px;
    color: #444;
}

/* Inputs */
.contact-input {
    border: 2px solid #c5d6ea;
    border-radius: 10px;
    padding: 12px 16px;
    transition: 0.3s;
}

.contact-input:focus {
    border-color: #0d6efd;
    box-shadow: 0 0 12px rgba(13, 110, 253, 0.25);
}

.contact-textarea {
    height: 130px;
    resize: none;
}

/* Button */
.contact-btn {
    margin-top: 30px;
    background: linear-gradient(90deg, #0d4d8b, #4db3ff);
    border: none;
    padding: 12px 80px;
    color: white;
    border-radius: 30px;
    font-weight: 600;
    position: relative;
    overflow: hidden;
    transition: 0.3s;
}

.contact-btn::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -60%;
    width: 200%;
    height: 200%;
    background: linear-gradient(120deg,
            transparent,
            rgba(255, 255, 255, 0.6),
            transparent);
    transform: rotate(25deg);
    transition: 0.7s;
    opacity: 0;
}

.contact-btn:hover::after {
    opacity: 1;
    left: 100%;
}

/* Info Boxes */
.info-box {
    background: #0d4d8b;
    color: white;
    padding: 25px;
    border-radius: 16px;
    transition: 0.3s;
    height: 100%;
}

.info-box i {
    font-size: 22px;
    margin-bottom: 10px;
}

.info-box p {
    font-size: 14px;
    line-height: 1.6;
}

.info-box:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 25px rgba(13, 77, 139, 0.4);
}

/* ================= RESPONSIVE ================= */

@media(max-width:991px) {
    .contact-card {
        padding: 35px;
    }
}

/* Mobile */
@media(max-width:576px) {

    .contact-section {
        padding: 80px 15px;


        background-attachment: scroll;
    }

    .contact-card {
        padding: 25px;
    }

    .contact-btn {
        width: 100%;
        padding: 12px;
    }
}

/* ========== FOOTER (pristine) ========== */
.footer-section {
    background: #0d4e87;
    color: #fff;
    padding-top: 50px;
    position: relative;
    overflow: hidden;
    box-shadow: inset 0 10px 25px rgba(0, 0, 0, 0.1);
}

.footer-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 40%, rgba(100, 200, 255, 0.15) 0%, transparent 45%),
        radial-gradient(circle at 90% 70%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.footer-top {
    padding-bottom: 30px;
    position: relative;
}

.footer-col h5 {
    font-weight: 600;
    margin-bottom: 20px;
    position: relative;
    display: inline-block;
}

.footer-col h5::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -8px;
    width: 40px;
    height: 3px;
    background: #4db3ff;
    transition: width 0.3s ease;
}

.footer-col:hover h5::after {
    width: 60px;
}

.footer-col ul {
    list-style: none;
    padding: 0;
}

.footer-col ul li {
    margin-bottom: 8px;
}

.footer-col ul li a {
    color: #d6e6f7;
    text-decoration: none;
    font-size: 14px;
    transition: all 0.2s;
    display: inline-block;
    position: relative;
}

.footer-col ul li a::before {
    content: '▹';
    position: absolute;
    left: -15px;
    top: 50%;
    transform: translateY(-50%);
    color: #4db3ff;
    opacity: 0;
    transition: 0.2s;
}

.footer-col ul li a:hover {
    color: #ffffff;
    padding-left: 20px;
}

.footer-col ul li a:hover::before {
    opacity: 1;
    left: 0;
}

.social-icons a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.25);
    background: rgba(255, 255, 255, 0.05);
    color: white;
    margin-right: 8px;
    transition: 0.3s;
    overflow: hidden;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.social-icons a:hover {
    transform: translateY(-4px) scale(1.1);
    border-color: #4db3ff;
    box-shadow: 0 8px 18px #4db3ffaa;
}

.footer-col p {
    padding: 10px;
    border-radius: 16px;
    transition: 0.2s;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(5px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.footer-col p:hover {
    border-left: 3px solid #4db3ff;
    background: rgba(255, 255, 255, 0.07);
    transform: translateX(4px);
}

.footer-bottom {
    background: #2f80c3;
    padding: 15px 0;
    font-size: 14px;
    position: relative;
    overflow: hidden;
    margin-top: 20px;
}

.footer-bottom::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent, #fff, transparent);
    animation: bottomGlow 8s infinite linear;
}

@keyframes bottomGlow {
    0% {
        left: -100%;
    }

    50% {
        left: 100%;
    }

    100% {
        left: 100%;
    }
}

.footer-bottom a {
    color: #ffffff;
    text-decoration: underline;
    transition: 0.2s;
}

.footer-bottom a:hover {
    text-shadow: 0 0 8px white;
}

@media (max-width: 768px) {
    .footer-col {
        text-align: center;
    }

    .footer-col h5::after {
        left: 50%;
        transform: translateX(-50%);
    }

    .footer-col ul li a::before {
        display: none;
    }

    .social-icons {
        justify-content: center;
        display: flex;
    }
}

.navbar-brand img {
    filter: drop-shadow(0 2px 6px #0d6efd55);
}

.btn-book-demo {
    position: relative;
    overflow: hidden;
}

.btn-book-demo::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -60%;
    width: 200%;
    height: 200%;
    background: linear-gradient(120deg, transparent, rgba(255, 255, 255, 0.5), transparent);
    transform: rotate(25deg);
    transition: 0.7s;
    opacity: 0;
}

.btn-book-demo:hover::after {
    opacity: 1;
    left: 100%;
}

/* ========== BACK TO TOP BUTTON (floating, appears on scroll) ========== */
#backToTop {
    position: fixed;
    bottom: 40px;
    right: 30px;
    width: 55px;
    height: 55px;
    border-radius: 50%;
    background: #0d4d8b;
    color: white;
    border: none;
    box-shadow: 0 8px 20px rgba(13, 77, 139, 0.5), 0 0 15px #4db3ff;
    font-size: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: 0.3s ease;
    z-index: 1040;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s, background 0.2s, transform 0.2s;
    cursor: pointer;
}

#backToTop.show {
    opacity: 1;
    visibility: visible;
}

#backToTop:hover {
    background: #0b3f6f;
    transform: translateY(-5px) scale(1.08);
    box-shadow: 0 12px 28px rgba(13, 77, 139, 0.8), 0 0 22px #4db3ff;
}

#backToTop i {
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.3));
}