/* ============================================
   HARSHA VARDHAN G — Portfolio
   Aesthetic: Editorial / Technical / Refined Dark
   ============================================ */

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

:root {
    --bg: #0a0a0b;
    --bg-elevated: #111114;
    --bg-card: #16161a;
    --ink: #e8e6e1;
    --ink-dim: #8a8780;
    --ink-faint: #4a4844;
    --accent: #ff5722;
    --accent-soft: #ff8a65;
    --line: #1f1f23;
    --line-bright: #2a2a30;
    --serif: 'Syne', serif;
    --mono: 'JetBrains Mono', monospace;
    --sans: 'Inter', sans-serif;
}

html {
    scroll-behavior: smooth;
}

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

/* ============================================
   Background atmospherics
   ============================================ */
.grid-bg {
    position: fixed;
    inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,0.015) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.015) 1px, transparent 1px);
    background-size: 60px 60px;
    pointer-events: none;
    z-index: 0;
    mask-image: radial-gradient(ellipse at center, black 20%, transparent 80%);
}

.noise {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 1;
    opacity: 0.03;
    mix-blend-mode: overlay;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.4'/%3E%3C/svg%3E");
}

/* Custom cursor */
.cursor {
    position: fixed;
    width: 12px;
    height: 12px;
    background: var(--accent);
    border-radius: 50%;
    pointer-events: none;
    z-index: 9999;
    mix-blend-mode: difference;
    transition: transform 0.15s ease, width 0.2s ease, height 0.2s ease;
    transform: translate(-50%, -50%);
}

.cursor.hover {
    width: 32px;
    height: 32px;
    background: var(--accent-soft);
}

@media (max-width: 768px) {
    body { cursor: auto; }
    .cursor { display: none; }
}

/* ============================================
   Navigation
   ============================================ */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    padding: 1.5rem 3rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 100;
    backdrop-filter: blur(20px) saturate(150%);
    background: rgba(10, 10, 11, 0.6);
    border-bottom: 1px solid var(--line);
}

.nav-logo {
    font-family: var(--serif);
    font-weight: 800;
    font-size: 1.25rem;
    letter-spacing: -0.02em;
}

.nav-dot {
    color: var(--accent);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 2.5rem;
    font-family: var(--mono);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.nav-links a {
    color: var(--ink-dim);
    text-decoration: none;
    transition: color 0.3s ease;
    position: relative;
}

.nav-links a::before {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--accent);
    transition: width 0.3s ease;
}

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

.nav-links a:hover::before {
    width: 100%;
}

.nav-cta {
    font-family: var(--mono);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    padding: 0.6rem 1.2rem;
    border: 1px solid var(--line-bright);
    border-radius: 100px;
    color: var(--ink);
    text-decoration: none;
    transition: all 0.3s ease;
}

.nav-cta:hover {
    background: var(--accent);
    border-color: var(--accent);
    color: var(--bg);
}

@media (max-width: 768px) {
    .nav { padding: 1rem 1.5rem; }
    .nav-links { display: none; }
    .nav-cta { padding: 0.5rem 1rem; font-size: 0.7rem; }
}

/* ============================================
   Hero
   ============================================ */
.hero {
    min-height: 100vh;
    padding: 8rem 3rem 4rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
    z-index: 2;
    max-width: 1400px;
    margin: 0 auto;
}

.hero-meta {
    font-family: var(--mono);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--ink-dim);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 3rem;
    opacity: 0;
    animation: fadeIn 0.8s ease 0.2s forwards;
}

.status-dot {
    width: 8px;
    height: 8px;
    background: #4ade80;
    border-radius: 50%;
    box-shadow: 0 0 12px #4ade80;
    animation: pulse-glow 2s ease-in-out infinite;
}

@keyframes pulse-glow {
    0%, 100% { box-shadow: 0 0 0 0 rgba(74, 222, 128, 0.6); }
    50% { box-shadow: 0 0 0 8px rgba(74, 222, 128, 0); }
}

.hero-title {
    font-family: var(--serif);
    font-size: clamp(4rem, 14vw, 12rem);
    font-weight: 800;
    line-height: 0.85;
    letter-spacing: -0.04em;
    margin-bottom: 3rem;
}

.hero-line {
    display: block;
    overflow: hidden;
    position: relative;
}

.hero-line::after {
    content: attr(data-text);
    position: absolute;
    top: 0;
    left: 0;
    color: var(--accent);
    clip-path: inset(0 100% 0 0);
    transition: clip-path 0.8s cubic-bezier(0.7, 0, 0.3, 1);
}

.hero-line:hover::after {
    clip-path: inset(0 0 0 0);
}

.hero-line.italic {
    font-style: italic;
    color: var(--ink-dim);
    padding-left: 2em;
}

.hero-line.accent {
    color: var(--accent);
}

.hero-line {
    transform: translateY(100%);
    animation: slideUp 1s cubic-bezier(0.7, 0, 0.3, 1) forwards;
}

.hero-line:nth-child(1) { animation-delay: 0.3s; }
.hero-line:nth-child(2) { animation-delay: 0.5s; }
.hero-line:nth-child(3) { animation-delay: 0.7s; }

@keyframes slideUp {
    to { transform: translateY(0); }
}

@keyframes fadeIn {
    to { opacity: 1; }
}

.hero-sub {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    margin-bottom: 4rem;
    opacity: 0;
    animation: fadeIn 1s ease 1s forwards;
}

.hero-role {
    font-family: var(--mono);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--accent);
    border-top: 1px solid var(--line-bright);
    padding-top: 1rem;
}

.hero-desc {
    font-size: 1.25rem;
    color: var(--ink-dim);
    line-height: 1.5;
    max-width: 500px;
}

.hero-desc em {
    color: var(--ink);
    font-style: normal;
    font-weight: 500;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    border-top: 1px solid var(--line-bright);
    padding-top: 2rem;
    opacity: 0;
    animation: fadeIn 1s ease 1.3s forwards;
}

.stat-num {
    font-family: var(--serif);
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    line-height: 1;
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, var(--ink) 0%, var(--ink-dim) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.stat-label {
    font-family: var(--mono);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--ink-dim);
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    right: 3rem;
    font-family: var(--mono);
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--ink-dim);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    opacity: 0;
    animation: fadeIn 1s ease 1.6s forwards;
}

.scroll-line {
    width: 1px;
    height: 60px;
    background: linear-gradient(to bottom, var(--ink-dim), transparent);
    position: relative;
    overflow: hidden;
}

.scroll-line::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 30%;
    background: var(--accent);
    animation: scrollDown 2s ease-in-out infinite;
}

@keyframes scrollDown {
    0% { top: -30%; }
    100% { top: 100%; }
}

@media (max-width: 768px) {
    .hero { padding: 6rem 1.5rem 3rem; }
    .hero-sub { grid-template-columns: 1fr; gap: 1.5rem; }
    .hero-stats { grid-template-columns: 1fr; gap: 1.5rem; }
    .scroll-indicator { display: none; }
    .hero-line.italic { padding-left: 0.5em; }
}

/* ============================================
   Sections
   ============================================ */
.section {
    padding: 8rem 3rem;
    max-width: 1400px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.section-header {
    display: flex;
    align-items: baseline;
    gap: 1.5rem;
    margin-bottom: 4rem;
    border-bottom: 1px solid var(--line-bright);
    padding-bottom: 1.5rem;
}

.section-num {
    font-family: var(--mono);
    font-size: 0.85rem;
    color: var(--accent);
    letter-spacing: 0.1em;
}

.section-title {
    font-family: var(--serif);
    font-size: clamp(2.5rem, 6vw, 5rem);
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1;
}

@media (max-width: 768px) {
    .section { padding: 5rem 1.5rem; }
    .section-header { margin-bottom: 2.5rem; }
}

/* ============================================
   About
   ============================================ */
.about-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 4rem;
}

.about-text .lead {
    font-family: var(--serif);
    font-size: clamp(1.5rem, 2.5vw, 2rem);
    line-height: 1.3;
    color: var(--ink);
    margin-bottom: 2rem;
    font-weight: 500;
}

.about-text p {
    color: var(--ink-dim);
    font-size: 1.05rem;
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.about-card {
    background: var(--bg-card);
    border: 1px solid var(--line);
    border-radius: 4px;
    padding: 2rem;
    align-self: start;
    position: sticky;
    top: 6rem;
}

.card-label {
    font-family: var(--mono);
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--ink-dim);
    margin-bottom: 0.5rem;
}

.card-content {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    margin-bottom: 1.5rem;
}

.card-content strong {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--ink);
}

.card-content span {
    color: var(--ink-dim);
    font-size: 0.9rem;
}

.card-meta {
    font-family: var(--mono);
    font-size: 0.8rem !important;
    color: var(--accent) !important;
    margin-top: 0.25rem;
}

.card-divider {
    height: 1px;
    background: var(--line-bright);
    margin: 1.5rem 0;
}

@media (max-width: 968px) {
    .about-grid { grid-template-columns: 1fr; gap: 2.5rem; }
    .about-card { position: static; }
}

/* ============================================
   Skills
   ============================================ */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1px;
    background: var(--line);
    border: 1px solid var(--line);
}

.skill-block {
    background: var(--bg);
    padding: 2rem;
    transition: background 0.4s ease;
    position: relative;
    overflow: hidden;
}

.skill-block::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--accent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.skill-block:hover {
    background: var(--bg-card);
}

.skill-block:hover::before {
    transform: scaleX(1);
}

.skill-num {
    font-family: var(--mono);
    font-size: 0.75rem;
    color: var(--ink-faint);
    letter-spacing: 0.1em;
    margin-bottom: 1rem;
}

.skill-block h3 {
    font-family: var(--serif);
    font-size: 1.15rem;
    font-weight: 600;
    margin-bottom: 1.25rem;
    line-height: 1.3;
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.skill-tags span {
    font-family: var(--mono);
    font-size: 0.7rem;
    padding: 0.3rem 0.6rem;
    background: var(--bg-elevated);
    border: 1px solid var(--line-bright);
    color: var(--ink-dim);
    border-radius: 2px;
    transition: all 0.2s ease;
}

.skill-tags span:hover {
    color: var(--accent);
    border-color: var(--accent);
    transform: translateY(-2px);
}

@media (max-width: 1100px) {
    .skills-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 600px) {
    .skills-grid { grid-template-columns: 1fr; }
}

/* ============================================
   Experience Timeline
   ============================================ */
.timeline {
    display: flex;
    flex-direction: column;
    gap: 1px;
    background: var(--line);
    border-top: 1px solid var(--line-bright);
    border-bottom: 1px solid var(--line-bright);
}

.job {
    background: var(--bg);
    display: grid;
    grid-template-columns: 220px 1fr;
    gap: 3rem;
    padding: 3rem 0;
    transition: background 0.3s ease;
}

.job:hover {
    background: var(--bg-elevated);
}

.job-period {
    font-family: var(--mono);
    font-size: 0.85rem;
    color: var(--ink-dim);
    display: flex;
    align-items: baseline;
    gap: 0.5rem;
    flex-wrap: wrap;
    height: fit-content;
    position: sticky;
    top: 6rem;
}

.job-year {
    font-size: 1rem;
    color: var(--ink);
    font-weight: 500;
}

.job-arrow {
    color: var(--accent);
}

.job-header {
    margin-bottom: 1.5rem;
}

.job-header h3 {
    font-family: var(--serif);
    font-size: clamp(1.5rem, 2.5vw, 2rem);
    font-weight: 700;
    margin-bottom: 0.5rem;
    letter-spacing: -0.02em;
}

.job-company {
    font-family: var(--mono);
    font-size: 0.85rem;
    color: var(--ink-dim);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.company-name {
    color: var(--ink);
    font-weight: 500;
}

.company-divider {
    color: var(--accent);
}

.client-name {
    color: var(--accent-soft);
}

.job-desc {
    color: var(--ink-dim);
    font-size: 1.05rem;
    line-height: 1.7;
    margin-bottom: 1.5rem;
    max-width: 720px;
}

.job-highlights {
    list-style: none;
    margin-bottom: 1.5rem;
}

.job-highlights li {
    color: var(--ink-dim);
    font-size: 0.95rem;
    line-height: 1.7;
    padding-left: 1.5rem;
    position: relative;
    margin-bottom: 0.5rem;
}

.job-highlights li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--accent);
    font-family: var(--mono);
}

.job-stack {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.job-stack span {
    font-family: var(--mono);
    font-size: 0.7rem;
    padding: 0.35rem 0.75rem;
    border: 1px solid var(--line-bright);
    color: var(--ink);
    border-radius: 100px;
    transition: all 0.2s ease;
}

.job-stack span:hover {
    background: var(--accent);
    border-color: var(--accent);
    color: var(--bg);
}

@media (max-width: 768px) {
    .job { grid-template-columns: 1fr; gap: 1.5rem; padding: 2rem 0; }
    .job-period { position: static; }
}

/* ============================================
   Contact
   ============================================ */
.contact {
    padding-bottom: 0;
}

.contact-headline {
    font-family: var(--serif);
    font-size: clamp(2rem, 5vw, 4rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 4rem;
    letter-spacing: -0.03em;
    max-width: 900px;
}

.italic {
    font-style: italic;
    color: var(--accent);
}

.contact-links {
    display: grid;
    gap: 1px;
    background: var(--line-bright);
    border-top: 1px solid var(--line-bright);
    border-bottom: 1px solid var(--line-bright);
}

.contact-link {
    background: var(--bg);
    padding: 2rem 0;
    display: grid;
    grid-template-columns: 200px 1fr 60px;
    align-items: center;
    text-decoration: none;
    color: var(--ink);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.contact-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 100%;
    background: var(--accent);
    transition: width 0.4s cubic-bezier(0.7, 0, 0.3, 1);
    z-index: 0;
}

.contact-link:hover::before {
    width: 100%;
}

.contact-link > * {
    position: relative;
    z-index: 1;
    transition: color 0.3s ease;
}

.contact-link:hover > * {
    color: var(--bg);
}

.link-label {
    font-family: var(--mono);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--ink-dim);
}

.link-value {
    font-family: var(--serif);
    font-size: clamp(1.25rem, 2.5vw, 2rem);
    font-weight: 500;
    letter-spacing: -0.02em;
}

.link-arrow {
    font-size: 1.5rem;
    text-align: right;
    transition: transform 0.3s ease;
}

.contact-link:hover .link-arrow {
    transform: translate(4px, -4px);
}

@media (max-width: 768px) {
    .contact-link { grid-template-columns: 1fr; gap: 0.5rem; padding: 1.5rem 0; }
    .link-arrow { display: none; }
}

/* ============================================
   Footer
   ============================================ */
.footer {
    margin-top: 6rem;
    padding: 2rem 0;
    border-top: 1px solid var(--line);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-family: var(--mono);
    font-size: 0.8rem;
    color: var(--ink-dim);
}

.footer-meta {
    margin-top: 0.25rem;
    color: var(--ink-faint);
    font-size: 0.75rem;
}

.footer-right {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

@media (max-width: 600px) {
    .footer { flex-direction: column; gap: 1.5rem; align-items: flex-start; }
}

/* ============================================
   Reveal animations
   ============================================ */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.7, 0, 0.3, 1);
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================
   Selection
   ============================================ */
::selection {
    background: var(--accent);
    color: var(--bg);
}

/* ============================================
   Scrollbar
   ============================================ */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg);
}

::-webkit-scrollbar-thumb {
    background: var(--line-bright);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent);
}