/* ============================================
   ISHAAN.LIVE - Personal Website Styles
   Minimal, Premium, Typography-First Design
   ============================================ */

/* ============================================
   RESET & BASE STYLES
   ============================================ */

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

:root {
    /* Colors - Soft, Neutral Palette */
    --color-background: #FAFAF8;
    --color-surface: #FFFFFF;
    --color-text-primary: #1A1A1A;
    --color-text-secondary: #6B6B6B;
    --color-text-tertiary: #9B9B9B;
    --color-accent: #2C2C2C;
    --color-accent-hover: #000000;
    --color-border: #E5E5E0;
    --color-success: #4A7C59;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-serif: 'Libre Baskerville', Georgia, serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    --spacing-2xl: 8rem;
    
    /* Layout */
    --container-max: 1200px;
    --container-narrow: 800px;
    --border-radius: 4px;
    
    /* Transitions */
    --transition-speed: 0.3s;
}

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

body {
    font-family: var(--font-primary);
    font-size: 1rem;
    line-height: 1.7;
    color: var(--color-text-primary);
    background-color: var(--color-background);
    font-weight: 400;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ============================================
   TYPOGRAPHY
   ============================================ */

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-primary);
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-family: var(--font-serif);
    font-weight: 700;
    letter-spacing: -0.02em;
}

h2 {
    font-size: clamp(2rem, 4vw, 2.5rem);
    font-family: var(--font-serif);
    font-weight: 700;
    letter-spacing: -0.01em;
}

h3 {
    font-size: 1.5rem;
    font-weight: 600;
}

h4 {
    font-size: 1.125rem;
    font-weight: 600;
}

p {
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-secondary);
}

a {
    color: var(--color-text-primary);
    text-decoration: none;
    transition: color var(--transition-speed) ease;
}

a:hover {
    color: var(--color-accent-hover);
}

/* ============================================
   LAYOUT UTILITIES
   ============================================ */

.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.container-narrow {
    max-width: var(--container-narrow);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

section {
    padding: var(--spacing-2xl) 0;
}

.section-title {
    text-align: center;
    margin-bottom: var(--spacing-md);
}

.section-subtitle {
    text-align: center;
    color: var(--color-text-secondary);
    font-size: 1.125rem;
    margin-bottom: var(--spacing-lg);
}

/* ============================================
   NAVIGATION
   ============================================ */

.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: rgba(250, 250, 248, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid var(--color-border);
    padding: var(--spacing-sm) 0;
}

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

.logo {
    font-size: 1.125rem;
    font-weight: 600;
    letter-spacing: -0.01em;
}

.nav-links {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
}

.nav-links a {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
    transition: color var(--transition-speed) ease;
}

.nav-links a:hover {
    color: var(--color-text-primary);
}

/* ============================================
   BUTTONS
   ============================================ */

.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    font-size: 0.9375rem;
    font-weight: 500;
    border-radius: var(--border-radius);
    transition: all var(--transition-speed) ease;
    cursor: pointer;
    border: none;
    text-align: center;
    font-family: var(--font-primary);
}

.btn-primary {
    background-color: var(--color-accent);
    color: var(--color-background);
}

.btn-primary:hover {
    background-color: var(--color-accent-hover);
    transform: translateY(-2px);
}

.btn-secondary {
    background-color: transparent;
    color: var(--color-text-primary);
    border: 1px solid var(--color-border);
}

.btn-secondary:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

/* ============================================
   HERO SECTION
   ============================================ */

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: var(--spacing-xl);
    padding-bottom: var(--spacing-xl);
}

.hero-content {
    max-width: 800px;
}

.hero-name {
    margin-bottom: var(--spacing-sm);
}

.hero-tagline {
    font-size: 1.5rem;
    line-height: 1.5;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
    font-weight: 400;
}

.hero-intro {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
    max-width: 700px;
}

.hero-ctas {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

/* ============================================
   ABOUT SECTION
   ============================================ */

.about {
    background-color: var(--color-surface);
}

.about-content {
    display: flex;
    gap: var(--spacing-lg);
    align-items: flex-start;
}

.about-text p {
    font-size: 1.125rem;
    line-height: 1.9;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
}

.about-text p:last-child {
    margin-bottom: 0;
}

/* ============================================
   NEWSLETTER SECTION
   ============================================ */

.newsletter {
    background-color: var(--color-background);
}

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

.newsletter-description {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.newsletter-form {
    max-width: 500px;
    margin: 0 auto;
}

.form-group {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.form-group input[type="email"] {
    flex: 1;
    padding: 0.875rem 1.25rem;
    font-size: 1rem;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    font-family: var(--font-primary);
    background-color: var(--color-surface);
    transition: border-color var(--transition-speed) ease;
}

.form-group input[type="email"]:focus {
    outline: none;
    border-color: var(--color-accent);
}

.form-group input[type="email"]::placeholder {
    color: var(--color-text-tertiary);
}

.form-note {
    font-size: 0.875rem;
    color: var(--color-text-tertiary);
    text-align: center;
}

.newsletter-success {
    background-color: rgba(74, 124, 89, 0.1);
    border: 1px solid var(--color-success);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.newsletter-success p {
    color: var(--color-success);
    margin: 0;
    font-weight: 500;
}

/* ============================================
   INSTAGRAM SECTION
   ============================================ */

.instagram {
    background-color: var(--color-surface);
}

.instagram-feed {
    margin-bottom: var(--spacing-lg);
}

.instagram-embed-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 400px;
}

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

/* ============================================
   WRITING SECTION
   ============================================ */

.writing {
    background-color: var(--color-background);
}

.writing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.writing-card {
    background-color: var(--color-surface);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    border: 1px solid var(--color-border);
    transition: transform var(--transition-speed) ease, 
                box-shadow var(--transition-speed) ease;
}

.writing-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
}

.writing-date {
    display: block;
    font-size: 0.875rem;
    color: var(--color-text-tertiary);
    margin-bottom: var(--spacing-xs);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.writing-title {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-primary);
}

.writing-excerpt {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-sm);
}

.writing-link {
    display: inline-block;
    font-size: 0.9375rem;
    color: var(--color-accent);
    font-weight: 500;
    transition: transform var(--transition-speed) ease;
}

.writing-link:hover {
    transform: translateX(4px);
}

/* ============================================
   YOUTUBE SECTION
   ============================================ */

.youtube {
    background-color: var(--color-surface);
}

.youtube-placeholder {
    text-align: center;
    padding: var(--spacing-xl) 0;
}

.placeholder-text {
    font-size: 1.5rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-sm);
}

.placeholder-subtext {
    font-size: 1.125rem;
    color: var(--color-text-tertiary);
}

.youtube-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

/* ============================================
   FOOTER
   ============================================ */

.footer {
    background-color: var(--color-accent);
    color: var(--color-background);
    padding: var(--spacing-xl) 0 var(--spacing-md);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-brand h3 {
    color: var(--color-background);
    font-size: 1.5rem;
    margin-bottom: var(--spacing-xs);
}

.footer-brand p {
    color: rgba(250, 250, 248, 0.7);
}

.footer-links h4,
.footer-nav h4 {
    color: var(--color-background);
    font-size: 1rem;
    margin-bottom: var(--spacing-sm);
}

.footer-links ul,
.footer-nav ul {
    list-style: none;
}

.footer-links ul li,
.footer-nav ul li {
    margin-bottom: var(--spacing-xs);
}

.footer-links a,
.footer-nav a {
    color: rgba(250, 250, 248, 0.7);
    transition: color var(--transition-speed) ease;
}

.footer-links a:hover,
.footer-nav a:hover {
    color: var(--color-background);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(250, 250, 248, 0.2);
}

.footer-bottom p {
    color: rgba(250, 250, 248, 0.7);
    font-size: 0.875rem;
}

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

@media (max-width: 768px) {
    :root {
        --spacing-lg: 3rem;
        --spacing-xl: 4rem;
        --spacing-2xl: 5rem;
    }
    
    .nav-links {
        gap: var(--spacing-sm);
    }
    
    .nav-links a {
        font-size: 0.875rem;
    }
    
    .hero {
        min-height: auto;
        padding-top: var(--spacing-2xl);
    }
    
    .hero-tagline {
        font-size: 1.25rem;
    }
    
    .hero-intro {
        font-size: 1rem;
    }
    
    .hero-ctas {
        flex-direction: column;
    }
    
    .hero-ctas .btn {
        width: 100%;
    }
    
    .form-group {
        flex-direction: column;
    }
    
    .form-group .btn {
        width: 100%;
    }
    
    .writing-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

@media (max-width: 480px) {
    html {
        font-size: 14px;
    }
    
    .container,
    .container-narrow {
        padding: 0 var(--spacing-sm);
    }
    
    .nav {
        padding: var(--spacing-xs) 0;
    }
    
    .logo {
        font-size: 1rem;
    }
    
    .nav-links {
        gap: var(--spacing-xs);
    }
}

/* ============================================
   ANIMATIONS & TRANSITIONS
   ============================================ */

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.6s ease-out forwards;
}

/* ============================================
   ACCESSIBILITY
   ============================================ */

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 4px;
}

/* ============================================
   PRINT STYLES
   ============================================ */

@media print {
    .nav,
    .hero-ctas,
    .newsletter,
    .instagram,
    .youtube,
    .footer {
        display: none;
    }
}