/* CSS STYLING PARADIGMS - SRB INTERNATIONAL SCHOOL */
@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;500;600;700;800&family=Poppins:wght@300;400;500;600&display=swap');

:root {
--primary-blue: #051c3e;
--secondary-blue: #0b3266;
--gold: #d4af37;
--gold-hover: #bda030;
--light-grey: #f7f9fc;
--dark-text: #2d3748;
--light-text: #718096;
--white: #ffffff;
--transition-fast: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
--shadow-premium: 0 10px 30px rgba(0, 0, 0, 0.08);
}

/* Base Document Overrides */

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

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

body {
font-family: 'Poppins', sans-serif;
color: var(--dark-text);
line-height: 1.6;
background-color: var(--white);
overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
font-family: 'Montserrat', sans-serif;
color: var(--primary-blue);
font-weight: 700;
}

a {
text-decoration: none;
color: inherit;
transition: var(--transition-fast);
}

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

.shadow{
box-shadow: var(--shadow-premium);
}

/* Layout Utilities */
.container {
width: 100%;
max-width: 1200px;
margin: 0 auto;
padding: 0 20px;
}

.section-padding {
padding: 80px 0;
}

.logo-icon{
width:60px;
height:60px;
background:none;
}

.logo-icon img{
width:100%;
height:100%;
object-fit:contain;
}

.bg-light { background-color: var(--light-grey); }
.bg-blue { background-color: var(--primary-blue); }
.text-white { color: var(--white); }
.text-white-50 { color: rgba(255, 255, 255, 0.7); }
.gold-text { color: var(--gold); }
.bold { font-weight: 600; }
.text-center { text-align: center; }
.mt-2 { margin-top: 10px; }
.mt-3 { margin-top: 20px; }
.mt-4 { margin-top: 35px; }
.mt-5 { margin-top: 50px; }
.mb-2 { margin-bottom: 10px; }
.mb-3 { margin-bottom: 20px; }
.mb-4 { margin-bottom: 30px; }
.pb-2 { padding-bottom: 10px; }
.w-100 { width: 100%; }
.max-w-600 { max-width: 600px; margin-left: auto; margin-right: auto; }
.max-w-800 { max-width: 800px; margin-left: auto; margin-right: auto; }
.border-bottom { border-bottom: 1px solid rgba(0,0,0,0.1); }
.img-rounded { border-radius: 8px; }
.overflow-hidden { overflow: hidden; }

.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(450px, 1fr)); gap: 40px; }
.grid-2-wide {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: start;
}
.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 30px; }
.grid-4 { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 25px; }
.flex-center { display: flex; justify-content: center; align-items: center; }

/* Section Header Typography */
.section-title { margin-bottom: 50px; }
.section-title span { color: var(--gold); font-size: 0.9rem; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; display: block; margin-bottom: 10px; }
.section-title h2 { font-size: 2.3rem; position: relative; padding-bottom: 15px; text-transform: uppercase; }
.section-title h2::after { content: ''; position: absolute; bottom: 0; left: 50%; transform: translateX(-50%); width: 70px; height: 4px; background: var(--gold); border-radius: 2px; }

.section-title-left { margin-bottom: 30px; }
.section-title-left span { color: var(--gold); font-size: 0.85rem; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; display: block; margin-bottom: 8px; }
.section-title-left h2 { font-size: 2.1rem; text-transform: uppercase; }

/* Interactive UI Elements Button sets */
.btn {
display: inline-flex;
align-items: center;
gap: 10px;
padding: 12px 28px;
font-family: 'Montserrat', sans-serif;
font-weight: 600;
font-size: 0.9rem;
border-radius: 4px;
cursor: pointer;
transition: var(--transition-fast);
border: 2px solid transparent;
}
.btn-gold { background-color: var(--gold); color: var(--primary-blue); }
.btn-gold:hover { background-color: var(--gold-hover); transform: translateY(-2px); }
.btn-blue { background-color: var(--primary-blue); color: var(--white); }
.btn-blue:hover { background-color: var(--secondary-blue); transform: translateY(-2px); }
.btn-outline { background-color: transparent; border-color: var(--white); color: var(--white); }
.btn-outline:hover { background-color: var(--white); color: var(--primary-blue); }
.btn-lg { padding: 15px 35px; font-size: 1rem; }

/* Top Layout Header Component */
.top-bar { background-color: var(--primary-blue); color: var(--white); font-size: 0.85rem; padding: 10px 0; border-bottom: 1px solid rgba(255,255,255,0.1); }
.top-bar-content { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 10px; }
.top-info { display: flex; gap: 20px; flex-wrap: wrap; }
.top-info span i { color: var(--gold); margin-right: 5px; }
.top-social { display: flex; gap: 15px; }
.top-social a { color: rgba(255,255,255,0.8); }
.top-social a:hover { color: var(--gold); }

/* Sticky Main Navigation Header */
/* Sticky Main Navigation Header */
.main-header {
    background-color: var(--white);
    box-shadow: var(--shadow-premium);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 15px 0;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    width: 60px;
    height: 60px;
    background: none;
    display: flex;
    align-items: center;
    justify-content: center;
}

.logo-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.logo-text h1 {
    font-size: 1.6rem;
    line-height: 1.1;
    letter-spacing: 1px;
    color: var(--primary-blue);
}

.logo-text p {
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 1.5px;
    color: var(--gold);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 25px;
}

.nav-menu a {
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--primary-blue);
    position: relative;
    padding: 5px 0;
}

.nav-menu a:not(.btn-nav)::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--gold);
    transition: var(--transition-fast);
}

.nav-menu a:not(.btn-nav):hover::after,
.nav-menu a.active::after {
    width: 100%;
}

.btn-nav {
    margin-left: 10px;
    padding: 8px 18px !important;
}

.hamburger { display: none; background: none; border: none; cursor: pointer; flex-direction: column; gap: 6px; }
.hamburger span { display: block; width: 25px; height: 3px; background-color: var(--primary-blue); transition: var(--transition-fast); }

/* Main Screen Hero Layout banner */
.hero-banner { background-size: cover; background-position: center; min-height: 80vh; display: flex; align-items: center; color: var(--white); padding: 60px 0; }
.hero-content { max-width: 800px; }
.hero-content h4 { color: var(--gold); font-size: 1.1rem; letter-spacing: 3px; margin-bottom: 15px; }
.hero-content h2 { font-size: 3.5rem; color: var(--white); line-height: 1.2; margin-bottom: 10px; }
.hero-content h3 { font-size: 1.8rem; color: rgba(255,255,255,0.9); font-weight: 500; margin-bottom: 25px; }
.hero-content p { font-size: 1.1rem; color: rgba(255,255,255,0.8); margin-bottom: 35px; max-width: 650px; }
.hero-btns { display: flex; gap: 20px; flex-wrap: wrap; }

/* Subpage Hero Title Blocks */
.sub-hero { background-size: cover; background-position: center; padding: 60px 0; color: var(--white); margin-bottom: 20px; }
.sub-hero h2 { font-size: 2.5rem; color: var(--white); text-transform: uppercase; margin-bottom: 10px; }
.sub-hero p { font-size: 0.95rem; color: rgba(255,255,255,0.7); }
.sub-hero p a { color: var(--gold); }

/* Welcome Section Components */
.welcome-text p { color: var(--light-text); margin-bottom: 20px; }
.welcome-img { position: relative; }
.welcome-img img { width: 100%; border-radius: 8px; box-shadow: var(--shadow-premium); object-fit: cover; height: 400px; }
.experience-badge { position: absolute; bottom: -20px; left: -20px; background-color: var(--gold); color: var(--primary-blue); padding: 20px; border-radius: 8px; box-shadow: var(--shadow-premium); text-align: center; }
.experience-badge h3 { font-size: 2rem; color: var(--primary-blue); line-height: 1; }
.experience-badge p { font-size: 0.8rem; font-weight: 700; text-transform: uppercase; }

/* Feature Element Cards */
.feature-card { background-color: var(--white); padding: 35px 25px; border-radius: 6px; box-shadow: var(--shadow-premium); border-bottom: 3px solid transparent; transition: var(--transition-fast); text-align: center; }
.feature-card:hover { border-bottom-color: var(--gold); transform: translateY(-5px); }
.icon-box { width: 65px; height: 65px; border-radius: 50%; background-color: rgba(5, 28, 62, 0.05); color: var(--primary-blue); display: flex; align-items: center; justify-content: center; font-size: 1.8rem; margin: 0 auto 20px; transition: var(--transition-fast); }
.feature-card:hover .icon-box { background-color: var(--primary-blue); color: var(--gold); }
.feature-card h3 { font-size: 1.15rem; margin-bottom: 12px; }
.feature-card p { font-size: 0.9rem; color: var(--light-text); }

/* Academic Programs Grid elements */
.program-card { background-color: var(--white); border-radius: 8px; overflow: hidden; box-shadow: var(--shadow-premium); transition: var(--transition-fast); }
.program-card:hover { transform: translateY(-5px); }
.program-img img { width: 100%; height: 220px; object-fit: cover; transition: var(--transition-fast); }
.program-card:hover .program-img img { transform: scale(1.05); }
.program-info { padding: 25px; }
.program-info h3 { font-size: 1.25rem; margin-bottom: 12px; }
.program-info p { font-size: 0.9rem; color: var(--light-text); margin-bottom: 15px; }
.text-link { font-weight: 600; color: var(--gold); font-size: 0.9rem; display: inline-flex; align-items: center; gap: 5px; }
.text-link:hover { color: var(--primary-blue); }

/* Facility Mini Modules */
.facility-item-home { background-color: var(--white); padding: 25px; border-radius: 6px; box-shadow: var(--shadow-premium); display: flex; flex-direction: column; gap: 10px; transition: var(--transition-fast); }
.facility-item-home:hover { background-color: var(--primary-blue); color: var(--white); }
.facility-item-home i { font-size: 2rem; color: var(--gold); margin-bottom: 5px; }
.facility-item-home h3 { font-size: 1.15rem; }
.facility-item-home:hover h3 { color: var(--white); }
.facility-item-home p { font-size: 0.9rem; color: var(--light-text); }
.facility-item-home:hover p { color: rgba(255,255,255,0.8); }

/* Campus Preview Images layout block */
.gallery-preview-item { overflow: hidden; border-radius: 6px; height: 200px; box-shadow: var(--shadow-premium); }
.gallery-preview-item img { width: 100%; height: 100%; object-fit: cover; transition: var(--transition-fast); }
.gallery-preview-item:hover img { transform: scale(1.08); filter: brightness(0.8); }

/* Parental Testimonials Section elements */
.testimonial-card { background-color: rgba(255, 255, 255, 0.05); padding: 30px; border-radius: 8px; border: 1px solid rgba(255,255,255,0.1); display: flex; flex-direction: column; justify-content: space-between; }
.stars { color: var(--gold); margin-bottom: 15px; font-size: 0.85rem; }
.testimonial-card p { font-style: italic; font-size: 0.95rem; color: rgba(255,255,255,0.8); margin-bottom: 20px; }
.parent-info h4 { color: var(--white); font-size: 1rem; }
.parent-info span { font-size: 0.8rem; color: var(--gold); font-weight: 500; }

/* CTAs Banner layouts */
.admissions-cta { background-size: cover; background-position: center; color: var(--primary-blue); }
.admissions-cta h2 { font-size: 2.3rem; margin-bottom: 10px; color: var(--primary-blue); text-transform: uppercase; }
.admissions-cta p { font-size: 1.1rem; font-weight: 500; margin-bottom: 25px; }

/* Vision Mission values elements block */
.vmv-card { background-color: var(--white); padding: 40px 30px; border-radius: 8px; box-shadow: var(--shadow-premium); text-align: center; }
.vmv-icon { font-size: 2.5rem; color: var(--gold); margin-bottom: 15px; }
.vmv-card h3 { font-size: 1.3rem; margin-bottom: 15px; }
.vmv-card p { font-size: 0.9rem; color: var(--light-text); }

/* History timeline setup architecture */
.timeline-wrapper { position: relative; max-width: 800px; margin: 40px auto 0; padding-left: 30px; border-left: 3px solid var(--primary-blue); }
.timeline-item { position: relative; margin-bottom: 40px; }
.timeline-year { font-family: 'Montserrat', sans-serif; font-size: 1.3rem; font-weight: 700; color: var(--gold); margin-bottom: 5px; }
.timeline-content { background-color: var(--white); padding: 20px; border-radius: 6px; box-shadow: var(--shadow-premium); }
.timeline-content h3 { font-size: 1.1rem; margin-bottom: 8px; }
.timeline-content p { font-size: 0.9rem; color: var(--light-text); }
.timeline-item::before { content: ''; position: absolute; left: -41.5px; top: 8px; width: 20px; height: 20px; border-radius: 50%; background-color: var(--gold); border: 4px solid var(--primary-blue); }

/* Academic approach cards detailed lists */
.approach-item { background-color: var(--white); padding: 25px 20px; border-radius: 6px; box-shadow: var(--shadow-premium); }
.approach-icon { font-size: 2.2rem; color: var(--primary-blue); margin-bottom: 12px; }
.approach-item h3 { font-size: 1.1rem; margin-bottom: 8px; }
.approach-item p { font-size: 0.85rem; color: var(--light-text); }

.academic-level-card { background-color: var(--white); border-radius: 10px; overflow: hidden; box-shadow: var(--shadow-premium); margin-bottom: 45px; }
.level-img img { width: 100%; height: 100%; min-height: 320px; object-fit: cover; }
.level-details { padding: 40px; }
.level-details h3 { font-size: 1.8rem; margin-bottom: 10px; }
.level-list { list-style: none; margin-top: 20px; }
.level-list li { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; font-size: 0.95rem; font-weight: 500; }
.academic-level-card.inverse .level-details { order: 1; }
.academic-level-card.inverse .level-img { order: 2; }

/* Assessment components block layout info */
.assessment-box { display: flex; flex-direction: column; gap: 4px; background-color: var(--light-grey); padding: 20px; border-radius: 6px; margin-top: 15px; border-left: 4px solid var(--primary-blue); }
.assessment-box h4 { display: flex; align-items: center; gap: 10px; font-size: 1.05rem; }
.assessment-box p { font-size: 0.9rem; color: var(--light-text); margin-left: 20px; }
.assessment-illustration { min-height: 300px; display: flex; align-items: center; justify-content: center; }

/* Detailed Facility showcases grid blocks */
.facility-card-detailed { background-color: var(--white); border-radius: 8px; overflow: hidden; box-shadow: var(--shadow-premium); }
.fac-img img { width: 100%; height: 210px; object-fit: cover; }
.fac-content { padding: 25px; }
.fac-content h3 { font-size: 1.2rem; margin-bottom: 10px; }
.fac-content p { font-size: 0.88rem; color: var(--light-text); }
.transport-img-box img { width: 100%; height: 100%; object-fit: cover; min-height: 350px; }

/* Gallery Layout grid & Lightbox system */
.gallery-filters { gap: 15px; margin-bottom: 35px; flex-wrap: wrap; }
.filter-btn { background-color: var(--light-grey); border: none; padding: 10px 22px; font-family: 'Montserrat', sans-serif; font-weight: 600; font-size: 0.85rem; border-radius: 4px; cursor: pointer; transition: var(--transition-fast); color: var(--primary-blue); }
.filter-btn.active, .filter-btn:hover { background-color: var(--primary-blue); color: var(--white); }

.gallery-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 20px; }
.gallery-item { position: relative; border-radius: 6px; overflow: hidden; box-shadow: var(--shadow-premium); cursor: pointer; height: 220px; }
.gallery-item img { width: 100%; height: 100%; object-fit: cover; transition: var(--transition-fast); }
.gallery-overlay { position: absolute; inset: 0; background-color: rgba(5, 28, 62, 0.8); display: flex; align-items: center; justify-content: center; font-size: 1.8rem; color: var(--gold); opacity: 0; transition: var(--transition-fast); }
.gallery-item:hover img { transform: scale(1.06); }
.gallery-item:hover .gallery-overlay { opacity: 1; }

.lightbox { position: fixed; inset: 0; background-color: rgba(0,0,0,0.9); z-index: 2000; display: none; align-items: center; justify-content: center; padding: 20px; }
.lightbox-img { max-width: 90%; max-height: 85vh; border-radius: 4px; box-shadow: 0 0 20px rgba(0,0,0,0.5); }
.lightbox-close { position: absolute; top: 30px; right: 40px; font-size: 3rem; color: var(--white); cursor: pointer; transition: var(--transition-fast); }
.lightbox-close:hover { color: var(--gold); }

/* Admissions criteria tables & form styles */
.process-timeline { display: flex; flex-direction: column; gap: 25px; margin-top: 30px; }
.process-step { display: flex; gap: 20px; align-items: flex-start; }
.step-num { background-color: var(--primary-blue); color: var(--gold); font-family: 'Montserrat', sans-serif; font-weight: 700; font-size: 1.2rem; width: 50px; height: 50px; border-radius: 50%; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.step-txt h3 { font-size: 1.15rem; margin-bottom: 5px; }
.step-txt p { font-size: 0.9rem; color: var(--light-text); }

.table-info { width: 100%; border-collapse: collapse; margin-bottom: 15px; }
.table-info th, .table-info td { text-align: left; padding: 12px; border-bottom: 1px solid rgba(0,0,0,0.08); font-size: 0.9rem; }
.table-info th { font-family: 'Montserrat', sans-serif; background-color: rgba(5, 28, 62, 0.04); color: var(--primary-blue); font-weight: 600; }

.enquiry-form .form-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(340px, 1fr)); gap: 20px; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label { font-size: 0.85rem; font-weight: 500; font-family: 'Montserrat', sans-serif; color: rgba(255,255,255,0.9); }
.enquiry-form label { color: var(--white); }
.contact-form-card label { color: var(--primary-blue); }
.form-control { background-color: var(--white); border: 1px solid rgba(0,0,0,0.15); padding: 10px 12px; font-size: 0.9rem; font-family: inherit; border-radius: 4px; color: var(--dark-text); transition: var(--transition-fast); width: 100%; }
.form-control:focus { outline: none; border-color: var(--gold); box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.2); }
select.form-control { cursor: pointer; }

/* 
Contact specific layout items & maps modules */
.contact-detail-item { display: flex; gap: 20px; align-items: flex-start; margin-bottom: 25px; }
.cd-icon { width: 45px; height: 45px; border-radius: 4px; background-color: rgba(5, 28, 62, 0.05); color: var(--primary-blue); display: flex; align-items: center; justify-content: center; font-size: 1.2rem; flex-shrink: 0; }
.contact-detail-item h3 { font-size: 1.1rem; margin-bottom: 4px; }
.contact-detail-item p { font-size: 0.9rem; color: var(--light-text); }
.contact-form-card {
    background-color: var(--white);
    padding: 30px;
    max-width: 650px;
    margin: 0 auto;
}
.contact-form-card h3 { font-size: 1.4rem; margin-bottom: 5px; }

.map-placeholder-box { background-color: #e2e8f0; padding: 60px 0; border-top: 1px solid rgba(0,0,0,0.05); }
.mock-map-view { background-color: #cbd5e1; border: 2px dashed #94a3b8; height: 300px; display: flex; align-items: center; justify-content: center; font-family: 'Montserrat', sans-serif; font-weight: 600; font-size: 0.9rem; color: #64748b; border-radius: 6px; }

/* Professional Footer System rules */
.footer { background-color: #031229; color: rgba(255, 255, 255, 0.75); padding: 70px 0 0; font-size: 0.9rem; border-top: 4px solid var(--gold); }
.footer-col h3 { color: var(--white); font-size: 1.1rem; margin-bottom: 22px; position: relative; padding-bottom: 8px; text-transform: uppercase; letter-spacing: 1px; }
.footer-col h3::after { content: ''; position: absolute; bottom: 0; left: 0; width: 40px; height: 2px; background-color: var(--gold); }
.footer-logo h2 { color: var(--white); font-size: 1.8rem; line-height: 1.1; }
.footer-logo p { color: var(--gold); font-size: 0.7rem; font-weight: 700; letter-spacing: 1.5px; margin-bottom: 15px; }
.footer-about-text { font-size: 0.85rem; line-height: 1.6; color: rgba(255,255,255,0.6); }

.footer-links { list-style: none; }
.footer-links li { margin-bottom: 10px; }
.footer-links a { color: rgba(255, 255, 255, 0.7); display: inline-flex; align-items: center; }
.footer-links a:hover { color: var(--gold); transform: translateX(5px); }
.footer-links a::before { content: '\f105'; font-family: 'Font Awesome 5 Free'; font-weight: 900; margin-right: 8px; color: var(--gold); font-size: 0.8rem; }

.footer-contact { list-style: none; }
.footer-contact li { display: flex; gap: 12px; align-items: flex-start; margin-bottom: 12px; font-size: 0.85rem; }
.footer-contact i { color: var(--gold); margin-top: 4px; }

.footer-bottom { background-color: #020b18; padding: 20px 0; margin-top: 50px; border-top: 1px solid rgba(255,255,255,0.05); font-size: 0.8rem; }
.footer-bottom-content { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 10px; }

/* Responsive Adaptability Breakpoint Rules */
@media (max-width: 992px) {
html { font-size: 15px; }
.nav-menu { display: none; position: absolute; top: 100%; left: 0; width: 100%; background-color: var(--white); flex-direction: column; padding: 30px; box-shadow: 0 10px 20px rgba(0,0,0,0.1); gap: 20px; align-items: flex-start; }
.nav-menu.active { display: flex; }
.btn-nav { margin-left: 0; width: 100%; justify-content: center; }
.hamburger { display: flex; }
.hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(6px, 6px); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(6px, -6px); }
.academic-level-card, .academic-level-card.inverse { grid-template-columns: 1fr; }
.academic-level-card.inverse .level-details { order: 2; }
.academic-level-card.inverse .level-img { order: 1; }
.level-img img { min-height: 240px; height: 240px; }
}

@media (max-width: 768px) {
.hero-content h2 { font-size: 2.3rem; }
.hero-content h3 { font-size: 1.3rem; }
.section-title h2 { font-size: 1.8rem; }
.grid-2, .grid-3, .grid-4, .grid-2-wide { grid-template-columns: 1fr; }
.welcome-img img { height: 280px; }
.experience-badge { left: 10px; bottom: 10px; padding: 12px; }
}


@keyframes fadeIn {
    from{
        opacity:0;
        transform:translateY(10px);
    }
    to{
        opacity:1;
        transform:translateY(0);
    }
}