:root {
    --primary-pink: #D81B60; /* Deep Pink */
    --hover-pink: #AD1457;
    --soft-pink: #FCE4EC;
    --white: #FFFFFF;
    --off-white: #FAFAFA;
    --light-grey: #F5F5F5;
    --medium-grey: #9E9E9E;
    --dark-grey: #424242;
    --black: #212121;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

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

html {
    scroll-behavior: smooth;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Typography */
h1, h2, h3 {
    font-family: 'Poppins', sans-serif;
    color: var(--black);
    line-height: 1.3;
}

/* Header & Navbar - Mobile-First */
.header {
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow);
    padding: 10px 0;
}

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

.nav-logo {
    height: 45px;
    width: auto;
    object-fit: contain;
    mix-blend-mode: multiply;
}

.nav-links {
    display: none; /* Hidden on mobile */
}

.emergency-btn {
    background-color: var(--primary-pink);
    color: var(--white);
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 15px;
    border-radius: 50px;
    font-weight: 700;
    text-decoration: none;
    font-size: 0.8rem;
    box-shadow: 0 4px 15px rgba(216, 27, 96, 0.3);
}

.emergency-btn span {
    display: none;
}

.btn {
    display: inline-block;
    padding: 10px 20px;
    border-radius: 50px;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    text-align: center;
}

.menu-toggle {
    display: block;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--primary-pink);
}

/* Hero Section - Mobile-First */
.hero {
    position: relative;
    height: 70vh;
    min-height: 450px;
    background: url('advance-live-support-ambulance.jpeg') center/cover no-repeat;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--white);
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(0,0,0,0.6), rgba(0,0,0,0.3));
}

.hero-content {
    position: relative;
    z-index: 10;
    padding: 0 20px;
}

.hero-badge {
    background-color: var(--primary-pink);
    display: inline-block;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 0.7rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.hero h1 {
    font-size: 2rem;
    color: var(--white);
    margin-bottom: 15px;
    font-weight: 800;
}

.hero p {
    font-size: 1rem;
    margin-bottom: 25px;
}

.hero-btns {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

/* Page Components - Mobile-First */
.highlights {
    background-color: var(--light-grey);
    padding: 50px 0;
}

.highlights-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 15px;
}

.highlight-item {
    background-color: var(--white);
    padding: 25px;
    border-radius: 20px;
    text-align: center;
    box-shadow: var(--shadow);
}

.highlight-item i {
    font-size: 2.2rem;
    color: var(--primary-pink);
    margin-bottom: 10px;
}

/* About Section - Mobile-First */
.about {
    padding: 60px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 30px;
}

.section-header h2 {
    font-size: 1.8rem;
    margin-bottom: 20px;
    position: relative;
    display: inline-block;
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background-color: var(--primary-pink);
}

.about-grid {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.about-card {
    background-color: var(--soft-pink);
    padding: 25px;
    border-radius: 30px;
    text-align: center;
}

.founder-img {
    width: 140px;
    height: 140px;
    border-radius: 50%;
    object-fit: cover;
    margin-bottom: 12px;
    border: 4px solid var(--white);
}

.trust-mention {
    display: flex;
    align-items: center;
    gap: 10px;
    background-color: var(--light-grey);
    padding: 10px 18px;
    border-radius: 12px;
    margin-top: 15px;
    font-size: 0.85rem;
}

/* Gallery - Mobile-First */
.gallery-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 15px;
}

.gallery-item {
    border-radius: 20px;
    overflow: hidden;
    height: 220px;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* DONATE PAGE SPECIFIC - RESTORED PREMIUM LOOK - MOBILE FIRST */
.donate-hero {
    background: linear-gradient(rgba(216, 27, 96, 0.9), rgba(216, 27, 96, 0.7)), url('health-for-children.webp') center/cover no-repeat;
    padding: 100px 0;
    color: white;
    text-align: center;
}

.donate-hero h1 {
    color: white;
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.donate-card-container {
    max-width: 800px;
    margin: -50px 15px 80px;
    background: white;
    border-radius: 30px;
    padding: 40px 20px;
    box-shadow: var(--shadow-lg);
    text-align: center;
    position: relative;
    z-index: 100;
}

.impact-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
    margin: 40px 0;
}

.impact-item {
    padding: 25px;
    background: var(--light-grey);
    border-radius: 20px;
    transition: var(--transition);
}

.impact-item i {
    font-size: 2.2rem;
    color: var(--primary-pink);
    margin-bottom: 12px;
}

.qr-display {
    border: 8px solid var(--soft-pink);
    padding: 20px;
    border-radius: 30px;
    display: inline-block;
    margin: 30px 0;
    background: white;
    max-width: 100%;
}

.qr-display img {
    width: 100%;
    max-width: 280px;
    height: auto;
    object-fit: contain;
    display: block;
    margin: 0 auto;
}

.inspirational-quote {
    font-style: italic;
    font-size: 1.1rem;
    color: var(--medium-grey);
    margin: 40px 0;
    padding: 0 30px;
}

.back-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--primary-pink);
    text-decoration: none;
    font-weight: 700;
    margin-bottom: 30px;
    font-size: 1rem;
}

.bank-details {
    margin-top: 40px;
    padding: 30px;
    border-top: 2px dashed var(--soft-pink);
    text-align: left;
}

/* Footer - Mobile First */
.footer {
    background-color: var(--dark-grey);
    color: var(--white);
    padding: 60px 20px 30px;
    text-align: center;
}

.footer-grid {
    display: flex;
    flex-direction: column;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-logo-section img {
    height: 100px;
    margin-bottom: 15px;
}

.logistics-logo {
    height: 70px;
    margin: 0 auto 15px;
    background: white;
    padding: 10px;
    border-radius: 12px;
}

.footer h4 {
    margin-bottom: 20px;
    font-size: 1.1rem;
    position: relative;
}

.footer h4::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 30px;
    height: 2px;
    background-color: var(--primary-pink);
}

/* BREAKPOINT: TABLET (768px+) */
@media (min-width: 768px) {
    .container { padding: 0 40px; }
    
    .nav-logo { height: 50px; }
    .emergency-btn { font-size: 0.9rem; padding: 12px 20px; }
    .emergency-btn span { display: inline; }

    .hero { height: 80vh; }
    .hero h1 { font-size: 3.2rem; }
    .hero p { font-size: 1.3rem; }
    .hero-btns { flex-direction: row; justify-content: center; gap: 20px; }

    .highlights-grid { grid-template-columns: repeat(2, 1fr); gap: 30px; }
    .gallery-grid { grid-template-columns: repeat(2, 1fr); gap: 25px; }
    
    .about-grid { flex-direction: row; align-items: center; gap: 60px; }
    .about-card { flex: 1; }
    .founder-img { width: 180px; height: 180px; }
    .about-content { flex: 1.5; }

    .donate-hero { padding: 120px 0; }
    .donate-hero h1 { font-size: 3.5rem; }
    .donate-card-container { margin: -80px auto 100px; padding: 60px; }
    .impact-grid { grid-template-columns: repeat(3, 1fr); gap: 25px; }

    .footer-grid {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        text-align: left;
        gap: 60px;
    }
    .footer h4::after { left: 0; transform: none; }
    .logistics-logo { margin: 0 0 15px; }
}

/* BREAKPOINT: DESKTOP (1024px+) */
@media (min-width: 1024px) {
    .header { padding: 15px 0; }
    .nav-logo { height: 65px; }
    
    .nav-links {
        display: flex;
        align-items: center;
    }
    .nav-links a {
        text-decoration: none;
        color: var(--dark-grey);
        font-weight: 500;
        margin-right: 25px;
        transition: var(--transition);
    }
    .nav-links a:hover { color: var(--primary-pink); }
    
    .menu-toggle { display: none !important; }

    .hero { height: 90vh; }
    .hero h1 { font-size: 4.5rem; }
    .hero p { font-size: 1.6rem; }

    .highlights-grid { grid-template-columns: repeat(4, 1fr); }
    .gallery-grid { grid-template-columns: repeat(3, 1fr); }

    .footer-grid { grid-template-columns: repeat(3, 1fr); }
    
    .contact-card {
        display: grid;
        grid-template-columns: 1.5fr 1fr;
        text-align: left;
        padding: 60px;
    }
    .contact-info p { justify-content: flex-start; }
}

/* Animations */
.reveal-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease-out;
}

.fade-in {
    opacity: 1;
    transform: translateY(0);
}