:root {
    --primary-navy: #0A2540;
    --academic-red: #C8102E;
    --hover-red: #A30D25;
    --light-bg: #F5F7FA;
    --dark-text: #1F2937;
    --white: #FFFFFF;
}

body {
    font-family: 'Poppins', sans-serif;
    color: var(--dark-text);
    scroll-behavior: smooth;
}

.bg-navy {
    background-color: var(--primary-navy) !important;
}

.text-navy {
    color: var(--primary-navy);
}

.text-academic-red {
    color: var(--academic-red);
}

.btn-academic-red {
    background-color: var(--academic-red);
    color: var(--white);
    border: none;
    padding: 12px 28px;
    font-weight: 600;
    transition: 0.3s;
}

.btn-academic-red:hover {
    background-color: var(--hover-red);
    color: var(--white);
}

.btn-navy {
    background-color: var(--primary-navy);
    padding: 12px 28px;
    font-weight: 600;
}

.btn-outline-navy {
    border: 2px solid var(--primary-navy);
    color: var(--primary-navy);
    font-weight: 600;
}

.btn-outline-navy:hover {
    background-color: var(--primary-navy);
    color: #fff;
}

/* Hero Section Adjustments */
.hero-section {
    min-height: 80vh;
}

.nav-link {
    font-weight: 500;
    transition: 0.3s;
}

.nav-link:hover {
    color: var(--academic-red) !important;
}

.card {
    transition: transform 0.3s;
}

.card:hover {
    transform: translateY(-5px);
}

/* Form Styling */
.form-control:focus {
    border-color: var(--academic-red);
    box-shadow: 0 0 0 0.25rem rgba(200, 16, 46, 0.25);
}

/* Navbar Enhancements */
.navbar {
    transition: all 0.3s ease;
    padding: 15px 0;
}

.navbar-brand {
    letter-spacing: 1px;
}

/* Button Styling & Hovers */
.btn-academic-red {
    background-color: var(--academic-red);
    color: var(--white);
    border: none;
    padding: 14px 32px;
    font-weight: 600;
    transition: all 0.3s ease;
    border-radius: 4px;
    display: inline-block;
    text-decoration: none;
}

.btn-academic-red:hover {
    background-color: var(--hover-red);
    color: var(--white);
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(200, 16, 46, 0.2);
}

.btn-navy {
    background-color: var(--primary-navy);
    color: white;
    padding: 14px 32px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-navy:hover {
    background-color: #143a5f;
    transform: translateY(-3px);
    color: white;
}

.btn-outline-navy {
    border: 2px solid var(--primary-navy);
    color: var(--primary-navy);
    font-weight: 600;
    padding: 12px 30px;
    transition: all 0.3s ease;
}

.btn-outline-navy:hover {
    background-color: var(--primary-navy);
    color: #fff;
    transform: translateY(-3px);
}

/* Typography Accents */
.section-title {
    position: relative;
    padding-bottom: 15px;
    margin-bottom: 30px;
}

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

.section-title-center::after {
    left: 50%;
    transform: translateX(-50%);
}

/* Hero Section */
.hero-section {
    position: relative;
    overflow: hidden;
}

/* Impact Cards */
.impact-card {
    transition: all 0.3s ease;
    border: 1px solid rgba(0,0,0,0.05);
}

.impact-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.1) !important;
}

/* Personal Note Section (For Dedications) */
.personal-note {
    background-color: #f8f9fa;
    border-left: 5px solid var(--academic-red);
    padding: 40px;
    font-style: italic;
    border-radius: 0 10px 10px 0;
}

.metric-item {
    padding: 20px;
    transition: all 0.3s ease;
}

.metric-item i {
    display: block;
    transition: transform 0.3s ease;
}

.metric-item:hover i {
    transform: scale(1.1);
}

.counter {
    display: inline-block;
}

/* --- RESPONSIVE ADJUSTMENTS --- */

/* Tablet and Mobile (General) */
@media (max-width: 991.98px) {
    .hero-section {
        min-height: auto;
        padding: 80px 0;
        text-align: center;
    }
    .hero-section .d-flex {
        justify-content: center;
    }
    .hero-section .text-start {
        text-align: center !important;
    }
    .section-title::after {
        left: 50%;
        transform: translateX(-50%);
    }
    .col-lg-7, .col-lg-6, .col-lg-5 {
        margin-bottom: 30px;
    }
}

/* Mobile Devices (Phones) */
@media (max-width: 767.98px) {
    h1.display-4 {
        font-size: 2rem;
    }
    h2.display-5, h2.display-6 {
        font-size: 1.75rem;
    }
    .btn-lg {
        width: 100%; /* Mobile par buttons full width ho jayenge */
        margin-bottom: 10px;
        margin-left: 0 !important;
    }
    .hero-section .d-flex.gap-3 {
        flex-direction: column;
        gap: 10px !important;
    }
    .metric-item {
        padding: 10px;
    }
    .metric-item i {
        font-size: 2rem;
    }
    .personal-note {
        padding: 20px;
        font-size: 0.9rem;
    }
    /* Contact form spacing */
    .p-5 {
        padding: 2rem !important;
    }
}

/* Extra Small Screens */
@media (max-width: 480px) {
    .navbar-brand {
        font-size: 1.1rem;
    }
    .impact-card h2 {
        font-size: 1.5rem;
    }
}

/* Navbar mobile background */
@media (max-width: 991px) {
    .navbar-collapse {
        background: var(--primary-navy);
        padding: 20px;
        border-radius: 8px;
        margin-top: 10px;
    }
}

/* --- RESPONSIVE BUTTONS --- */

/* Global Button Base Style */
.btn {
    font-family: 'Poppins', sans-serif;
    transition: all 0.3s ease;
    border-radius: 4px;
    letter-spacing: 0.5px;
    /* Font size auto-scales between 15px and 18px */
    font-size: clamp(0.95rem, 1.2vw, 1.1rem); 
    padding: 12px 28px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    white-space: nowrap; /* Text line change nahi karega */
}

/* Button Large (Hero Section specifically) */
.btn-lg {
    padding: 14px 35px;
    font-weight: 600;
}

/* Red Button Hover */
.btn-academic-red:hover {
    background-color: var(--hover-red);
    color: var(--white);
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(200, 16, 46, 0.25);
}

/* --- MEDIA QUERIES FOR BUTTONS --- */

/* Laptops & Tablets (1024px to 768px) */
@media (max-width: 991.98px) {
    .btn {
        padding: 10px 22px;
        font-size: 1rem; /* Thora chota size for tablets */
    }
    
    .btn-lg {
        padding: 12px 30px;
    }
}

/* Mobile Devices (Phones) */
@media (max-width: 767.98px) {
    .btn {
        width: 100%; /* Mobile par buttons full width ho jayenge */
        font-size: 0.9rem; /* Minimum readable size for mobile */
        padding: 14px 20px;
        margin-bottom: 12px; /* Ek ke niche ek space */
        justify-content: center;
        display: flex;
    }
    
    /* Hero section buttons group adjustment */
    .hero-section .d-flex.gap-3 {
        flex-direction: column;
        width: 100%;
        max-width: 400px; /* Buttons zyada wide na hon */
        margin: 0 auto;
    }
    
    .btn-lg {
        font-size: 1rem; /* Hero button thora prominent rahega */
    }
}

/* Very Small Screens (iPhone SE etc.) */
@media (max-width: 375px) {
    .btn {
        font-size: 0.85rem;
        padding: 12px 15px;
    }
}

@media (max-width: 767.98px) {
    .hero-section img {
        width: 250px !important;        
    }
}

.header-logo {
    width: 60px;
    margin-right: 1rem;
}