/* ==========================================================================
   STYLE.CSS - SHRAVYA'S CREATIVE PERSONAL WEBSITE
   ==========================================================================
   A clean, modern, and creative theme featuring soft pastel accents, 
   smooth transitions, rounded cards, and flexbox/grid responsive layouts.
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. COLOR PALETTE & DESIGN VARIABLES (:root)
   --------------------------------------------------------------------------
   Change these colors easily to update the theme of your site!
   -------------------------------------------------------------------------- */
:root {
    /* Color Scheme */
    --bg-page: #faf7f5;             /* Soft warm background */
    --bg-card: #ffffff;             /* Crisp white card background */
    --bg-card-hover: #fff9fb;       /* Soft blush card background on hover */
    
    /* Text Colors */
    --text-main: #2d2638;           /* Deep elegant charcoal text */
    --text-muted: #6e6479;          /* Soft mauve-gray for subtext */
    
    /* Creative Girl Pastel Gradient Accents */
    --accent-pink: #ec4899;         /* Soft rose pink */
    --accent-purple: #8b5cf6;       /* Soft lilac purple */
    --gradient-accent: linear-gradient(135deg, #f472b6 0%, #a78bfa 100%);
    --gradient-bg: linear-gradient(180deg, #fff0f5 0%, #faf7f5 100%);
    
    /* Styling & Effects */
    --border-color: rgba(236, 72, 153, 0.15);
    --border-hover: rgba(236, 72, 153, 0.4);
    --card-radius: 20px;            /* Smooth rounded corners for cards */
    --shadow-soft: 0 10px 25px -5px rgba(236, 72, 153, 0.08);
    --shadow-hover: 0 15px 30px -5px rgba(236, 72, 153, 0.2);
    --transition-smooth: all 0.3s ease;
    
    /* Typography */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Plus Jakarta Sans', sans-serif;
}

/* --------------------------------------------------------------------------
   2. GLOBAL RESETS & BASE STYLES
   -------------------------------------------------------------------------- */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

/* Smooth scrolling when clicking nav links (#about, #projects, #contact) */
html {
    scroll-behavior: smooth;
}

body {
    background: var(--bg-page);
    color: var(--text-main);
    font-family: var(--font-body);
    line-height: 1.6;
}

/* Container to center content and control max page width */
.container {
    width: 88%;
    max-width: 1000px;
    margin: 0 auto;
}

/* Typography styles */
h1, h2, h3 {
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--text-main);
}

a {
    text-decoration: none;
    color: inherit;
}

/* --------------------------------------------------------------------------
   3. HEADER & NAVIGATION (#main-header)
   -------------------------------------------------------------------------- */
#main-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background-color: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(12px); /* Glassmorphism effect */
    border-bottom: 1px solid var(--border-color);
    padding: 1.25rem 0;
}

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

/* Branding (Site Title & Tagline) */
.site-title {
    font-size: 1.6rem;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1.2;
}

.site-tagline {
    font-size: 0.88rem;
    color: var(--text-muted);
    font-weight: 500;
}

/* Navbar layout */
.navbar {
    display: flex;
    gap: 1.75rem;
}

.nav-link {
    font-weight: 600;
    font-size: 1rem;
    color: var(--text-muted);
    position: relative;
    padding: 0.25rem 0;
    transition: var(--transition-smooth);
}

/* Hover effects for navigation links */
.nav-link:hover {
    color: var(--accent-pink);
}

/* Bottom underline effect on hover */
.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0%;
    height: 2px;
    background: var(--gradient-accent);
    transition: width 0.3s ease;
    border-radius: 2px;
}

.nav-link:hover::after {
    width: 100%;
}

/* --------------------------------------------------------------------------
   4. HERO BANNER
   -------------------------------------------------------------------------- */
.hero-banner {
    background: var(--gradient-bg);
    padding: 4rem 0 3rem;
    text-align: center;
    border-bottom: 1px solid var(--border-color);
}

.creative-badge {
    display: inline-block;
    background: rgba(236, 72, 153, 0.1);
    color: var(--accent-pink);
    border: 1px solid rgba(236, 72, 153, 0.25);
    padding: 0.4rem 1.1rem;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.hero-heading {
    font-size: clamp(1.8rem, 4vw, 2.75rem);
    color: var(--text-main);
}

/* --------------------------------------------------------------------------
   5. SECTIONS & ABOUT ME SECTION (#about)
   -------------------------------------------------------------------------- */
.section {
    padding: 4.5rem 0;
}

.section-heading {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    position: relative;
    display: inline-block;
}

/* Decorative underline beneath section headings */
.section-heading::after {
    content: '';
    display: block;
    width: 50%;
    height: 4px;
    background: var(--gradient-accent);
    border-radius: 4px;
    margin-top: 0.3rem;
}

.about-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--card-radius);
    padding: 2.25rem;
    box-shadow: var(--shadow-soft);
    line-height: 1.8;
}

.about-text {
    font-size: 1.1rem;
    color: var(--text-muted);
}

/* --------------------------------------------------------------------------
   6. PROJECTS SECTION (#projects & .project-card)
   -------------------------------------------------------------------------- */
/* Responsive CSS Grid for Project Cards */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.75rem;
}

/* Project Card class for repeated elements */
.project-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--card-radius); /* Rounded corners */
    padding: 2rem;
    box-shadow: var(--shadow-soft);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: var(--transition-smooth);
}

/* Hover animation on project card */
.project-card:hover {
    transform: translateY(-8px);
    background-color: var(--bg-card-hover);
    border-color: var(--border-hover);
    box-shadow: var(--shadow-hover);
}

.project-card-header {
    margin-bottom: 1rem;
}

.card-icon {
    font-size: 2rem;
}

.project-title {
    font-size: 1.35rem;
    margin-bottom: 0.75rem;
    color: var(--text-main);
}

.project-description {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.project-link {
    color: var(--accent-pink);
    font-weight: 700;
    font-size: 0.95rem;
    display: inline-block;
    transition: var(--transition-smooth);
}

.project-link:hover {
    color: var(--accent-purple);
    transform: translateX(4px);
}

/* --------------------------------------------------------------------------
   7. CONTACT SECTION (#contact)
   -------------------------------------------------------------------------- */
.contact-card-box {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--card-radius);
    padding: 3rem 2rem;
    box-shadow: var(--shadow-soft);
    text-align: center;
}

.text-center {
    text-align: center;
}

.text-center::after {
    margin: 0.3rem auto 2rem;
}

.contact-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1.25rem;
}

.contact-item {
    background: rgba(236, 72, 153, 0.05);
    border: 1px solid var(--border-color);
    border-radius: 50px; /* Pill shape */
    padding: 0.85rem 1.75rem;
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-weight: 600;
    color: var(--text-main);
    transition: var(--transition-smooth);
}

.contact-item:hover {
    background: var(--gradient-accent);
    color: #ffffff;
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
}

.contact-icon {
    font-size: 1.2rem;
}

/* --------------------------------------------------------------------------
   8. FOOTER (#main-footer)
   -------------------------------------------------------------------------- */
#main-footer {
    border-top: 1px solid var(--border-color);
    padding: 2rem 0;
    margin-top: 3rem;
    text-align: center;
    background-color: #ffffff;
}

.copyright-text {
    color: var(--text-muted);
    font-size: 0.95rem;
    font-weight: 500;
}

/* --------------------------------------------------------------------------
   9. RESPONSIVE DESIGN (Media Queries)
   -------------------------------------------------------------------------- */
@media (max-width: 768px) {
    .header-container {
        flex-direction: column;
        gap: 0.8rem;
        text-align: center;
    }

    .navbar {
        gap: 1.25rem;
    }

    .hero-banner {
        padding: 3rem 0 2rem;
    }

    .about-card, .contact-card-box {
        padding: 1.75rem 1.25rem;
    }
}