/**
 * ===========================================
 * PRANAV SHARMA - PORTFOLIO V2
 * Main Stylesheet (Light-First & High Contrast)
 * ===========================================
 * Design System & Core Styles
 * Priority: Readability first, then aesthetics
 */

:root {
    /* V2 Color Palette - Light-First & High Contrast */
    --paper-surface: #F9F7F2;
    --warm-white: #FFFEF9;
    --light-grey: #EBE8E0;
    --muted-grey: #7A7570;
    --charcoal: #2D2A26;
    --ink-black: #141412;

    /* Vibrant Accents (high contrast) */
    --acid-lime: #C8FF35;
    --acid-lime-dark: #A8E010;
    --soft-lavender: #E5D8FF;
    --coral: #FF6B4A;
    --sky-blue: #A8E8F2;
    --pale-yellow: #FFE57A;

    /* Typography - High Readability */
    --font-display: 'Bebas Neue', 'Anton', 'Impact', sans-serif;
    --font-body: 'Space Grotesk', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'Space Mono', 'SF Mono', monospace;
    --font-hand: 'Caveat', 'Comic Sans MS', cursive;

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2.5rem;
    --space-2xl: 4rem;
    --space-3xl: 6rem;

    /* Layout */
    --container-width: 1240px;
    --container-padding: var(--space-lg);
    --nav-height: 70px;

    /* Borders & Shadows */
    --border-thick: 3px solid var(--ink-black);
    --border-medium: 2.5px solid var(--ink-black);
    --border-thin: 1.5px solid var(--ink-black);
    --shadow-retro: 5px 5px 0 var(--ink-black);
    --shadow-hover: 8px 8px 0 var(--ink-black);

    /* Transitions */
    --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===========================================
   RESET & BASE - HIGH CONTRAST
   =========================================== */

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

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

body {
    font-family: var(--font-body);
    background-color: var(--paper-surface);
    color: var(--ink-black);
    line-height: 1.6;
    overflow-x: hidden;
    cursor: none;
}

@media (hover: none), (pointer: coarse) {
    body {
        cursor: auto;
    }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* ===========================================
   TYPOGRAPHY - MAXIMUM READABILITY
   =========================================== */

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.05;
    letter-spacing: 0.02em;
    margin-bottom: var(--space-md);
    color: var(--ink-black);
}

h1 { font-size: clamp(3rem, 10vw, 7.5rem); }
h2 { font-size: clamp(2.2rem, 5vw, 4rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2.2rem); }
h4 { font-size: 1.25rem; }

p {
    font-family: var(--font-body);
    margin-bottom: var(--space-md);
    max-width: 65ch;
    color: var(--charcoal);
    font-size: 1.05rem;
    line-height: 1.7;
}

/* Ensure all links are high contrast */
a {
    color: var(--ink-black);
    text-decoration: none;
}

a:focus-visible {
    outline: 3px solid var(--acid-lime);
    outline-offset: 3px;
}

/* ===========================================
   LAYOUT & CONTAINERS
   =========================================== */

.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.section {
    padding: var(--space-3xl) 0;
    position: relative;
    border-bottom: var(--border-medium);
}

.section-label {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    background: var(--ink-black);
    color: var(--warm-white);
    padding: var(--space-xs) var(--space-md);
    margin-bottom: var(--space-md);
    transform: rotate(-1deg);
}

.section-number {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--muted-grey);
    text-transform: uppercase;
    letter-spacing: 0.2em;
    margin-bottom: var(--space-xs);
}

/* ===========================================
   BACKGROUND TREATMENTS
   =========================================== */

.bg-paper { background-color: var(--paper-surface); }
.bg-warm { background-color: var(--warm-white); }
.bg-cream { background-color: var(--light-grey); }
.bg-dark { background-color: var(--ink-black); color: var(--warm-white); }

.bg-dark h2,
.bg-dark h3,
.bg-dark h4 {
    color: var(--warm-white);
}

.bg-dark p {
    color: var(--light-grey);
}

/* ===========================================
   NAVIGATION - HIGH CONTRAST
   =========================================== */

.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--nav-height);
    background: var(--warm-white);
    border-bottom: var(--border-medium);
    z-index: 1000;
    display: flex;
    align-items: center;
    box-shadow: 0 4px 20px rgba(20, 20, 18, 0.08);
}

.nav-container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand {
    font-family: var(--font-display);
    font-size: 1.5rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--ink-black);
    display: flex;
    align-items: center;
    gap: 4px;
    font-weight: 700;
}

.nav-brand .dot {
    width: 10px;
    height: 10px;
    background: var(--acid-lime);
    border: var(--border-thin);
    display: inline-block;
}

.nav-links {
    display: flex;
    gap: var(--space-lg);
    list-style: none;
    align-items: center;
}

.nav-link {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--charcoal);
    position: relative;
    padding: var(--space-xs) 0;
    transition: color var(--transition-fast);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 3px;
    background: var(--acid-lime);
    transition: width var(--transition-normal);
}

.nav-link:hover,
.nav-link.active {
    color: var(--ink-black);
}

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

/* Navigation CTA button - HIGH CONTRAST */
.nav-cta {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    padding: var(--space-xs) var(--space-md);
    background: var(--acid-lime);
    color: var(--ink-black);
    border: var(--border-thin);
    box-shadow: 2px 2px 0 var(--ink-black);
    transition: all var(--transition-fast);
}

.nav-cta:hover {
    transform: translate(-1px, -1px);
    box-shadow: 4px 4px 0 var(--ink-black);
    background: var(--charcoal);
    color: var(--acid-lime);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-xs);
}

.nav-toggle span {
    display: block;
    width: 26px;
    height: 3px;
    background: var(--ink-black);
    transition: transform var(--transition-normal);
}

/* Mobile nav rules in responsive.css */

/* ===========================================
   HERO SECTION - MAXIMUM READABILITY
   =========================================== */

.hero {
    min-height: calc(100vh - var(--nav-height));
    display: flex;
    align-items: center;
    padding-top: calc(var(--nav-height) + var(--space-xl));
    padding-bottom: var(--space-3xl);
    background: var(--warm-white);
    position: relative;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: var(--space-2xl);
    align-items: center;
}

/* hero-grid stacks handled in responsive.css at 968px */

.hero-name {
    font-size: clamp(3.5rem, 11vw, 8rem);
    line-height: 0.92;
    letter-spacing: -0.01em;
    margin-bottom: var(--space-md);
    text-transform: uppercase;
    color: var(--ink-black);
}

/* SHARMA highlighted in lime */
.hero-name .highlight {
    background: var(--acid-lime);
    color: var(--ink-black);
    padding: 0 var(--space-sm);
    display: inline-block;
    border: var(--border-medium);
    box-shadow: 4px 4px 0 var(--ink-black);
    transform: rotate(-1.5deg);
}

.hero-role {
    font-family: var(--font-mono);
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--charcoal);
    margin-bottom: var(--space-lg);
    display: flex;
    align-items: center;
    gap: var(--space-md);
    font-weight: 600;
}

.hero-role::before {
    content: '';
    width: 40px;
    height: 3px;
    background: var(--acid-lime);
}

.hero-intro {
    font-size: 1.15rem;
    line-height: 1.7;
    color: var(--charcoal);
    margin-bottom: var(--space-xl);
    max-width: 540px;
    font-weight: 400;
}

/* Hero buttons - HIGH CONTRAST */
.hero-cta {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
}

/* Primary button - solid black background, white text */
.hero-cta .btn-primary {
    background: var(--ink-black);
    color: var(--warm-white);
    font-weight: 700;
}

.hero-cta .btn-primary:hover {
    background: var(--acid-lime);
    color: var(--ink-black);
    transform: translate(-2px, -2px);
    box-shadow: var(--shadow-hover);
}

/* Secondary button - white background, black text */
.hero-cta .btn-secondary {
    background: var(--warm-white);
    color: var(--ink-black);
    border-color: var(--ink-black);
    font-weight: 700;
}

.hero-cta .btn-secondary:hover {
    background: var(--charcoal);
    color: var(--warm-white);
    transform: translate(-2px, -2px);
    box-shadow: var(--shadow-hover);
}

/* Hero stickers container */
.hero-stickers {
    position: relative;
    min-height: 300px;
}

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

.about-layout {
    display: grid;
    grid-template-columns: 1fr 1.6fr;
    gap: var(--space-3xl);
    align-items: start;
}

/* about-layout mobile in responsive.css */

.polaroid-wrapper {
    background: var(--warm-white);
    padding: var(--space-md) var(--space-md) calc(var(--space-md) + 35px) var(--space-md);
    border: var(--border-medium);
    box-shadow: var(--shadow-retro);
    transform: rotate(-1.5deg);
    position: relative;
    max-width: 380px;
    margin: 0 auto;
}

.polaroid-image {
    width: 100%;
    aspect-ratio: 1;
    background: var(--light-grey);
    border: var(--border-thin);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-hand);
    font-size: 1.1rem;
    color: var(--muted-grey);
}

.polaroid-caption {
    position: absolute;
    bottom: var(--space-sm);
    left: 0;
    right: 0;
    text-align: center;
    font-family: var(--font-hand);
    font-size: 1.1rem;
    color: var(--muted-grey);
}

/* ===========================================
   THREE DOMAINS SECTION
   =========================================== */

.domain-cards-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
    margin-bottom: var(--space-2xl);
}

/* domain-cards-grid mobile in responsive.css */

.domain-preview-card {
    background: var(--warm-white);
    border: var(--border-medium);
    padding: var(--space-xl);
    box-shadow: var(--shadow-retro);
    position: relative;
    transition: all var(--transition-normal);
}

.domain-preview-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}

/* Primary card - dark background */
.domain-preview-card.primary {
    background: var(--ink-black);
    color: var(--warm-white);
}

.domain-preview-card.primary h3 {
    color: var(--warm-white);
}

.domain-preview-card.primary p {
    color: var(--light-grey);
}

.domain-preview-card .domain-tag {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    padding: 2px 8px;
    border: 1px solid currentColor;
    display: inline-block;
    margin-bottom: var(--space-md);
}

/* Project Tabs */
.project-tabs {
    display: flex;
    gap: var(--space-sm);
    margin-bottom: var(--space-xl);
    flex-wrap: wrap;
}

.project-tab {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    font-weight: 750;
    text-transform: uppercase;
    padding: var(--space-sm) var(--space-xl);
    background: var(--warm-white);
    border: var(--border-medium);
    cursor: pointer;
    box-shadow: 3px 3px 0 var(--ink-black);
    transition: all var(--transition-fast);
    color: var(--ink-black);
}

.project-tab:hover {
    transform: translate(-1px, -1px);
    box-shadow: 5px 5px 0 var(--ink-black);
}

.project-tab.active {
    background: var(--acid-lime);
    box-shadow: 3px 3px 0 var(--ink-black);
    color: var(--ink-black);
}

/* ===========================================
   SKILLS SECTION
   =========================================== */

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(300px, 100%), 1fr));
    gap: var(--space-xl);
}

.skill-category-box {
    background: var(--warm-white);
    border: var(--border-medium);
    padding: var(--space-xl);
    box-shadow: var(--shadow-retro);
}

.skill-category-box h3 {
    font-size: 1.3rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-md);
    padding-bottom: var(--space-sm);
    border-bottom: var(--border-thin);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.skill-pills {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.skill-pill {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    padding: var(--space-xs) var(--space-md);
    background: var(--paper-surface);
    border: var(--border-thin);
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--charcoal);
    font-weight: 500;
}

.skill-status-tag {
    font-size: 0.65rem;
    font-weight: 700;
    padding: 1px 5px;
    border-radius: 2px;
    text-transform: uppercase;
}

.status-learning { background: var(--acid-lime); color: var(--ink-black); }
.status-exploring { background: var(--sky-blue); color: var(--ink-black); }
.status-familiar { background: var(--soft-lavender); color: var(--ink-black); }
.status-proficient { background: var(--coral); color: white; }

/* ===========================================
   EXPERIENCE TIMELINE
   =========================================== */

.timeline-container {
    position: relative;
    padding-left: var(--space-2xl);
    max-width: 900px;
}

.timeline-container::before {
    content: '';
    position: absolute;
    left: 9px;
    top: 10px;
    bottom: 10px;
    width: 3px;
    background: var(--warm-white);
}

.timeline-block {
    position: relative;
    margin-bottom: var(--space-2xl);
}

.timeline-block::before {
    content: '';
    position: absolute;
    left: calc(-1 * var(--space-2xl) + 2px);
    top: 6px;
    width: 16px;
    height: 16px;
    background: var(--acid-lime);
    border: var(--border-medium);
    transform: rotate(45deg);
}

.timeline-card {
    background: var(--warm-white);
    border: var(--border-medium);
    padding: var(--space-xl);
    box-shadow: var(--shadow-retro);
}

.timeline-card h4 {
    color: var(--ink-black);
    margin-bottom: var(--space-xs);
}

.timeline-date {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--acid-lime);
    margin-bottom: var(--space-xs);
}

.timeline-organization {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--muted-grey);
    margin-bottom: var(--space-sm);
}

.timeline-description {
    font-size: 0.95rem;
    color: var(--charcoal);
    margin: 0;
}

/* ===========================================
   CONTACT SECTION
   =========================================== */

.contact-box {
    background: var(--ink-black);
    color: var(--warm-white);
    border: var(--border-medium);
    padding: var(--space-3xl) var(--space-xl);
    text-align: center;
    box-shadow: 10px 10px 0 var(--acid-lime);
    position: relative;
}

.contact-box h2 {
    color: var(--warm-white);
    font-size: clamp(2.5rem, 7vw, 5rem);
    margin-bottom: var(--space-md);
}

.contact-box p {
    color: var(--light-grey);
    margin: 0 auto var(--space-2xl);
    font-size: 1.15rem;
}

.contact-buttons {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}

.contact-btn {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    font-weight: 700;
    text-transform: uppercase;
    padding: var(--space-md) var(--space-xl);
    background: var(--warm-white);
    color: var(--ink-black);
    border: var(--border-medium);
    box-shadow: 4px 4px 0 var(--acid-lime);
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    transition: all var(--transition-fast);
}

.contact-btn:hover {
    transform: translate(-2px, -2px);
    box-shadow: 6px 6px 0 var(--acid-lime);
    background: var(--acid-lime);
}

.contact-btn svg {
    width: 18px;
    height: 18px;
}

/* Footer */
.footer {
    background: var(--ink-black);
    color: var(--muted-grey);
    padding: var(--space-lg) 0;
    border-top: 2px solid var(--charcoal);
    font-family: var(--font-mono);
    font-size: 0.8rem;
}

.footer-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-md);
}

.footer-inner p {
    color: var(--muted-grey);
    margin: 0;
}

.footer-social {
    display: flex;
    gap: var(--space-md);
}

.footer-social a {
    color: var(--muted-grey);
    transition: color var(--transition-fast);
}

.footer-social a:hover {
    color: var(--acid-lime);
}

/* ===========================================
   ANIMATIONS
   =========================================== */

.animate-on-scroll {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: none;
}