/* ═══════════════════════════════════════════════════════
   OMROY.DEV — BRUTALIST PAPER
   A raw, intentional, unforgettable portfolio.
   ═══════════════════════════════════════════════════════ */

/* --- Fonts --- */
@import url('https://fonts.googleapis.com/css2?family=Libre+Baskerville:ital,wght@0,400;0,700;1,400&family=Source+Code+Pro:wght@400;600&family=Unbounded:wght@400;700;900&display=swap');

/* --- Variables --- */
:root {
    --bg: #f2ede8;
    --bg-alt: #e6dfd6;
    --accent: #ff3b00;
    --text: #111111;
    --text-light: #555555;
    --border: #111111;
    --border-w: 3px;
    --font-display: 'Unbounded', sans-serif;
    --font-body: 'Libre Baskerville', serif;
    --font-mono: 'Source Code Pro', monospace;
    --container: 1280px;
    --gutter: clamp(1.5rem, 4vw, 3rem);
}

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

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

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

body {
    font-family: var(--font-body);
    background: var(--bg);
    color: var(--text);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

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

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

img {
    max-width: 100%;
    display: block;
}

ul, ol {
    list-style: none;
}

/* --- Grain Overlay --- */
.grain {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 10000;
    opacity: 0.04;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.7' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
    background-repeat: repeat;
    background-size: 256px 256px;
}

/* --- Container --- */
.container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 var(--gutter);
}

/* ═══════════════════════════════════════
   NAVIGATION
   ═══════════════════════════════════════ */

.nav {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: var(--bg);
    border-bottom: var(--border-w) solid var(--border);
}

.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem 0;
}

.nav-brand {
    font-family: var(--font-display);
    font-weight: 900;
    font-size: 1.2rem;
    text-transform: uppercase;
    letter-spacing: -0.02em;
}

.nav-links {
    display: flex;
    gap: 2.5rem;
}

.nav-links a {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    padding: 0.25rem 0;
    border-bottom: 2px solid transparent;
    transition: border-color 0.1s, color 0.1s;
}

.nav-links a:hover {
    color: var(--accent);
    border-bottom-color: var(--accent);
}

.nav-links a.active {
    color: var(--accent);
    border-bottom-color: var(--accent);
}

/* Hamburger toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    z-index: 1001;
}

.nav-toggle span {
    display: block;
    width: 28px;
    height: 3px;
    background: var(--text);
    transition: transform 0.25s ease, opacity 0.25s ease;
    transform-origin: center;
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 7px);
}

.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -7px);
}

/* Mobile nav overlay */
.nav-overlay {
    position: fixed;
    inset: 0;
    background: var(--bg);
    z-index: 999;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease;
}

.nav-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.nav-overlay a {
    font-family: var(--font-display);
    font-weight: 900;
    font-size: clamp(2rem, 8vw, 3.5rem);
    text-transform: uppercase;
    padding: 1.25rem 0;
    border-bottom: var(--border-w) solid var(--border);
    width: 80%;
    text-align: center;
    transition: color 0.1s;
}

.nav-overlay a:first-child {
    border-top: var(--border-w) solid var(--border);
}

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

/* ═══════════════════════════════════════
   HERO (Home Page)
   ═══════════════════════════════════════ */

.hero {
    padding: clamp(4rem, 15vh, 10rem) 0 clamp(3rem, 8vh, 6rem);
    min-height: 85vh;
    display: flex;
    align-items: center;
}

.hero-name {
    font-family: var(--font-display);
    font-weight: 900;
    font-size: clamp(3.5rem, 15vw, 13rem);
    line-height: 0.88;
    text-transform: uppercase;
    letter-spacing: -0.05em;
    white-space: nowrap;
    animation: fadeInUp 0.8s ease forwards;
}

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

.hero-rule {
    width: 100px;
    height: var(--border-w);
    background: var(--border);
    margin: 2.5rem 0 2rem;
    animation: fadeInUp 0.8s ease 0.2s both;
}

.hero-tagline {
    font-size: clamp(1rem, 1.8vw, 1.2rem);
    max-width: 520px;
    line-height: 1.85;
    animation: fadeInUp 0.8s ease 0.35s both;
}

.hero-status {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    font-family: var(--font-mono);
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-top: 2.5rem;
    padding: 0.55rem 1.15rem;
    border: 2px solid var(--accent);
    color: var(--accent);
    animation: fadeInUp 0.8s ease 0.5s both;
}

.hero-status::before {
    content: '';
    width: 8px;
    height: 8px;
    background: var(--accent);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
    flex-shrink: 0;
}

/* ═══════════════════════════════════════
   PAGE HERO (Inner Pages)
   ═══════════════════════════════════════ */

.page-hero {
    padding: clamp(4rem, 12vh, 9rem) 0 clamp(2rem, 5vh, 4rem);
}

.page-title {
    font-family: var(--font-display);
    font-weight: 900;
    font-size: clamp(2.8rem, 11vw, 8.5rem);
    text-transform: uppercase;
    letter-spacing: -0.05em;
    line-height: 0.92;
    white-space: nowrap;
    animation: fadeInUp 0.8s ease forwards;
}

.page-title .accent {
    color: var(--accent);
}

.page-subtitle {
    font-style: italic;
    font-size: 1.125rem;
    margin-top: 1.25rem;
    color: var(--text-light);
    animation: fadeInUp 0.8s ease 0.2s both;
}

/* ═══════════════════════════════════════
   MARQUEE TICKER
   ═══════════════════════════════════════ */

.marquee {
    border-top: var(--border-w) solid var(--border);
    border-bottom: var(--border-w) solid var(--border);
    padding: 1.1rem 0;
    overflow: hidden;
    white-space: nowrap;
}

.marquee-track {
    display: inline-flex;
    animation: marquee 30s linear infinite;
}

.marquee-content {
    display: inline-flex;
    align-items: center;
    gap: 1.5rem;
    padding-right: 1.5rem;
    font-family: var(--font-mono);
    font-size: 0.82rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    font-weight: 600;
}

.marquee-content .dot {
    color: var(--accent);
    font-size: 1rem;
}

@keyframes marquee {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* ═══════════════════════════════════════
   SECTIONS
   ═══════════════════════════════════════ */

.section {
    padding: clamp(3rem, 7vw, 5rem) 0;
    border-top: var(--border-w) solid var(--border);
}

.section-label {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2.5rem;
}

.section-number {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    letter-spacing: 0.05em;
    color: var(--text-light);
}

.section-name {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 0.82rem;
    text-transform: uppercase;
    letter-spacing: 0.18em;
}

.section-line {
    flex: 1;
    height: 1px;
    background: var(--border);
    opacity: 0.3;
}

/* About text */
.about-text {
    font-size: clamp(1rem, 1.6vw, 1.15rem);
    max-width: 700px;
    line-height: 1.9;
}

.about-text strong {
    font-weight: 700;
}

/* ═══════════════════════════════════════
   TAGS / SKILL STAMPS
   ═══════════════════════════════════════ */

.tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.65rem;
}

.tag {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    padding: 0.5rem 1rem;
    border: var(--border-w) solid var(--border);
    background: transparent;
    cursor: default;
    transition: background 0.1s, color 0.1s, transform 0.1s, box-shadow 0.1s;
    box-shadow: 3px 3px 0 var(--border);
}

.tag:hover {
    background: var(--text);
    color: var(--bg);
    transform: translate(-1px, -1px);
    box-shadow: 4px 4px 0 var(--border);
}

.tag-group {
    margin-bottom: 2rem;
}

.tag-group:last-child {
    margin-bottom: 0;
}

.tag-group-label {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    color: var(--text-light);
    margin-bottom: 1rem;
}

/* ═══════════════════════════════════════
   EDUCATION BLOCK
   ═══════════════════════════════════════ */

.edu-block {
    border: var(--border-w) solid var(--border);
    padding: clamp(1.5rem, 3.5vw, 2.25rem);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    box-shadow: 5px 5px 0 var(--border);
}

.edu-institution {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: clamp(1.1rem, 2.2vw, 1.5rem);
    text-transform: uppercase;
    letter-spacing: -0.01em;
}

.edu-location {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-light);
    letter-spacing: 0.05em;
    margin-top: 0.2rem;
}

.edu-degree {
    font-style: italic;
    font-size: 1rem;
    margin-top: 0.35rem;
}

.edu-meta {
    text-align: right;
    font-family: var(--font-mono);
    font-size: 0.82rem;
}

.edu-years {
    color: var(--accent);
    font-weight: 600;
}

.edu-cgpa {
    margin-top: 0.2rem;
    color: var(--text-light);
}

/* ═══════════════════════════════════════
   PROJECT CARDS
   ═══════════════════════════════════════ */

.projects-grid {
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
}

.project-card {
    border: var(--border-w) solid var(--border);
    padding: clamp(1.75rem, 4vw, 2.75rem);
    position: relative;
    background: var(--bg);
    box-shadow: 6px 6px 0 var(--border);
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.project-card:hover {
    transform: translate(-3px, -3px);
    box-shadow: 9px 9px 0 var(--border);
}

.project-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1.25rem;
}

.project-number {
    font-family: var(--font-display);
    font-weight: 900;
    font-size: 3.5rem;
    color: var(--bg-alt);
    line-height: 1;
    letter-spacing: -0.04em;
    flex-shrink: 0;
}

.project-year {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-light);
    padding-top: 0.75rem;
}

.project-name {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: clamp(1.4rem, 3vw, 2rem);
    text-transform: uppercase;
    letter-spacing: -0.02em;
    margin-bottom: 1.25rem;
}

.project-desc {
    margin-bottom: 1.5rem;
}

.project-desc ul {
    list-style: none;
}

.project-desc li {
    padding: 0.6rem 0;
    padding-left: 1.5rem;
    position: relative;
    line-height: 1.75;
    font-size: 0.95rem;
    border-bottom: 1px solid rgba(17, 17, 17, 0.08);
}

.project-desc li:last-child {
    border-bottom: none;
}

.project-desc li::before {
    content: '\2014';
    position: absolute;
    left: 0;
    color: var(--accent);
    font-weight: 700;
}

.project-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
    padding-top: 1.5rem;
    border-top: 2px solid var(--border);
}

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

.project-tags .tag {
    font-size: 0.65rem;
    padding: 0.3rem 0.7rem;
    box-shadow: 2px 2px 0 var(--border);
}

.project-link {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--accent);
    border: 2px solid var(--accent);
    padding: 0.45rem 1.1rem;
    transition: background 0.1s, color 0.1s;
    flex-shrink: 0;
}

.project-link:hover {
    background: var(--accent);
    color: var(--bg);
}

.project-links {
    display: flex;
    gap: 0.6rem;
    flex-wrap: wrap;
}

/* ═══════════════════════════════════════
   EXPERIENCE BLOCKS
   ═══════════════════════════════════════ */

.experience-grid {
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
}

.exp-block {
    border: var(--border-w) solid var(--border);
    position: relative;
    box-shadow: 6px 6px 0 var(--border);
}

.exp-header {
    padding: clamp(1.5rem, 3.5vw, 2.5rem);
    border-bottom: var(--border-w) solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 1rem;
}

.exp-company {
    font-family: var(--font-display);
    font-weight: 900;
    font-size: clamp(1.6rem, 4vw, 2.75rem);
    text-transform: uppercase;
    letter-spacing: -0.03em;
    line-height: 1;
}

.exp-meta {
    text-align: right;
}

.exp-role {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-weight: 600;
}

.exp-location {
    font-style: italic;
    font-size: 0.9rem;
    color: var(--text-light);
    margin-top: 0.3rem;
}

.exp-dates {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--accent);
    letter-spacing: 0.05em;
    margin-top: 0.3rem;
    font-weight: 600;
}

.exp-body {
    padding: clamp(1.5rem, 3.5vw, 2.5rem);
}

.exp-body li {
    padding: 0.75rem 0;
    border-bottom: 1px solid rgba(17, 17, 17, 0.08);
    padding-left: 1.5rem;
    position: relative;
    line-height: 1.75;
    font-size: 0.95rem;
}

.exp-body li::before {
    content: '\2014';
    position: absolute;
    left: 0;
    color: var(--accent);
    font-weight: 700;
}

.exp-body li:last-child {
    border-bottom: none;
}

.inline-link {
    color: var(--accent);
    border-bottom: 1px solid var(--accent);
    font-weight: 600;
    transition: opacity 0.15s;
}

.inline-link:hover {
    opacity: 0.7;
}

/* Current job badge */
.exp-badge {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    padding: 0.25rem 0.6rem;
    border: 2px solid var(--accent);
    color: var(--accent);
    margin-left: 0.75rem;
    vertical-align: middle;
}

/* ═══════════════════════════════════════
   PUBLICATION ENTRIES
   ═══════════════════════════════════════ */

.publications-grid {
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
}

.pub-entry {
    border: var(--border-w) solid var(--border);
    padding: clamp(1.75rem, 4vw, 2.75rem);
    position: relative;
    box-shadow: 6px 6px 0 var(--border);
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.pub-entry:hover {
    transform: translate(-3px, -3px);
    box-shadow: 9px 9px 0 var(--border);
}

.pub-number {
    font-family: var(--font-display);
    font-weight: 900;
    font-size: 3rem;
    color: var(--bg-alt);
    line-height: 1;
    margin-bottom: 1rem;
    letter-spacing: -0.04em;
}

.pub-title {
    font-weight: 700;
    font-size: clamp(1.1rem, 2vw, 1.35rem);
    line-height: 1.55;
    margin-bottom: 1.25rem;
}

.pub-journal {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-light);
    margin-bottom: 0.35rem;
}

.pub-detail {
    font-style: italic;
    font-size: 0.88rem;
    color: var(--text-light);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.pub-link {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--accent);
    border: 2px solid var(--accent);
    padding: 0.45rem 1.1rem;
    display: inline-block;
    transition: background 0.1s, color 0.1s;
}

.pub-link:hover {
    background: var(--accent);
    color: var(--bg);
}

/* ═══════════════════════════════════════
   CONTACT GRID
   ═══════════════════════════════════════ */

.contact-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.contact-item {
    border: var(--border-w) solid var(--border);
    padding: 1.35rem;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    box-shadow: 4px 4px 0 var(--border);
    transition: background 0.1s, color 0.1s, transform 0.15s, box-shadow 0.15s;
}

.contact-item:hover {
    background: var(--text);
    color: var(--bg);
    transform: translate(-2px, -2px);
    box-shadow: 6px 6px 0 var(--border);
}

.contact-label {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    opacity: 0.5;
}

.contact-value {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 0.95rem;
    letter-spacing: -0.01em;
}

/* ═══════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════ */

.footer {
    border-top: var(--border-w) solid var(--border);
    padding: 2.25rem 0;
    margin-top: clamp(2rem, 5vw, 4rem);
}

.footer-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-text {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-light);
}

.footer-text .accent {
    color: var(--accent);
}

.footer-links {
    display: flex;
    gap: 1.75rem;
}

.footer-links a {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-light);
    transition: color 0.1s;
}

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

/* ═══════════════════════════════════════
   ANIMATIONS
   ═══════════════════════════════════════ */

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(35px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.25; }
}

/* Scroll reveal */
.reveal {
    opacity: 0;
    transform: translateY(30px);
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.65s ease, transform 0.65s ease;
}

/* Stagger delays */
.reveal.visible[data-delay="1"] { transition-delay: 0.1s; }
.reveal.visible[data-delay="2"] { transition-delay: 0.2s; }
.reveal.visible[data-delay="3"] { transition-delay: 0.3s; }
.reveal.visible[data-delay="4"] { transition-delay: 0.4s; }
.reveal.visible[data-delay="5"] { transition-delay: 0.5s; }

/* ═══════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════ */

@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }

    .nav-links {
        display: none;
    }

    .hero {
        min-height: 70vh;
    }

    .hero-name {
        font-size: clamp(3rem, 15vw, 7.5rem);
    }

    .contact-grid {
        grid-template-columns: 1fr;
    }

    .exp-header {
        flex-direction: column;
    }

    .exp-meta {
        text-align: left;
    }

    .edu-block {
        flex-direction: column;
        align-items: flex-start;
    }

    .edu-meta {
        text-align: left;
    }

    .project-header {
        flex-direction: column;
    }

    .project-footer {
        flex-direction: column;
        align-items: flex-start;
    }

    .footer-inner {
        flex-direction: column;
        text-align: center;
    }

    .footer-links {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .hero-name {
        font-size: clamp(2.2rem, 15vw, 5rem);
    }

    .page-title {
        font-size: clamp(2rem, 11vw, 4.5rem);
    }

    .project-number,
    .pub-number {
        font-size: 2.5rem;
    }

    .tag {
        font-size: 0.65rem;
        padding: 0.4rem 0.75rem;
    }

    .marquee-content {
        font-size: 0.72rem;
    }
}