/* ═══════════════════════════════════════
   AADITYA SHARMA — PORTFOLIO STYLESHEET
   Dark Aesthetic Theme
═══════════════════════════════════════ */

/* ── RESET & BASE ── */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --bg: #070707;
    --bg2: #0d0d0d;
    --bg3: #141414;
    --bg4: #1a1a1a;
    --border: rgba(255, 255, 255, 0.06);
    --border-h: rgba(255, 255, 255, 0.14);
    --accent: #00ff88;
    --accent2: #00c4ff;
    --accent-dim: rgba(0, 255, 136, 0.08);
    --text: #eeeeee;
    --muted: #777;
    --muted2: #3f3f3f;
    --font-head: 'Syne', sans-serif;
    --font-body: 'Space Grotesk', sans-serif;
    --radius: 4px;
    --radius-lg: 8px;
    --transition: 0.22s ease;
}

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

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

/* ── SCROLLBAR ── */
::-webkit-scrollbar {
    width: 4px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--muted2);
    border-radius: 2px;
}

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

/* ── NOISE OVERLAY ── */
.noise-overlay {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 1;
    opacity: 0.025;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='300' height='300' filter='url(%23n)' opacity='1'/%3E%3C/svg%3E");
    background-repeat: repeat;
    background-size: 300px 300px;
}

/* ── CURSOR GLOW ── */
.cursor-glow {
    position: fixed;
    width: 360px;
    height: 360px;
    background: radial-gradient(circle, rgba(0, 255, 136, 0.045) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
    z-index: 0;
    transform: translate(-50%, -50%);
    transition: left 0.07s linear, top 0.07s linear;
    will-change: left, top;
}

/* ── CONTAINER ── */
.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 2.5rem;
}

/* ══════════════════════════════
   NAV
══════════════════════════════ */
#navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 200;
    background: rgba(7, 7, 7, 0.88);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-bottom: 1px solid var(--border);
    animation: fadeDown 0.5s ease both;
}

.nav-inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 1.1rem 2.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    font-family: var(--font-head);
    font-size: 1.35rem;
    font-weight: 800;
    color: var(--text);
    text-decoration: none;
    letter-spacing: -0.02em;
    transition: color var(--transition);
}

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

.accent-dot {
    color: var(--accent);
}

.nav-links {
    display: flex;
    gap: 2.2rem;
    list-style: none;
}

.nav-links a {
    color: var(--muted);
    text-decoration: none;
    font-size: 0.82rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    font-weight: 500;
    position: relative;
    transition: color var(--transition);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--accent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.22s ease;
}

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

.nav-links a:hover::after,
.nav-links a.active::after {
    transform: scaleX(1);
}

.nav-cta {
    padding: 0.45rem 1.2rem;
    border: 1px solid var(--accent);
    color: var(--accent);
    text-decoration: none;
    font-size: 0.78rem;
    letter-spacing: 0.07em;
    text-transform: uppercase;
    font-weight: 600;
    border-radius: var(--radius);
    transition: all var(--transition);
}

.nav-cta:hover {
    background: var(--accent);
    color: #000;
}

/* Hamburger */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.hamburger span {
    display: block;
    width: 22px;
    height: 1.5px;
    background: var(--muted);
    transition: all 0.2s ease;
}

.hamburger.open span:nth-child(1) {
    transform: rotate(45deg) translate(4.5px, 4.5px);
}

.hamburger.open span:nth-child(2) {
    opacity: 0;
}

.hamburger.open span:nth-child(3) {
    transform: rotate(-45deg) translate(4.5px, -4.5px);
}

/* Mobile menu */
.mobile-menu {
    display: none;
    flex-direction: column;
    padding: 1rem 2.5rem 1.5rem;
    gap: 0.25rem;
    border-top: 1px solid var(--border);
}

.mobile-menu.open {
    display: flex;
}

.mob-link {
    color: var(--muted);
    text-decoration: none;
    font-size: 0.9rem;
    padding: 0.6rem 0;
    border-bottom: 1px solid var(--border);
    letter-spacing: 0.05em;
    transition: color var(--transition);
}

.mob-link:hover {
    color: var(--accent);
}

/* ══════════════════════════════
   HERO
══════════════════════════════ */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 0 2.5rem;
    padding-top: 80px;
    position: relative;
    overflow: hidden;
    max-width: 1100px;
    margin: 0 auto;
}

.hero-grid-bg {
    position: fixed;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
    background-size: 64px 64px;
    pointer-events: none;
    z-index: 0;
    animation: fadeIn 1.2s ease both;
}

.hero-glow-orb {
    position: fixed;
    width: 700px;
    height: 700px;
    background: radial-gradient(circle, rgba(0, 255, 136, 0.055) 0%, transparent 65%);
    top: 40%;
    left: 25%;
    transform: translate(-50%, -50%);
    pointer-events: none;
    z-index: 0;
    animation: orbFloat 6s ease-in-out infinite;
}

.hero-glow-orb.orb2 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(0, 196, 255, 0.04) 0%, transparent 65%);
    top: 20%;
    left: 70%;
    animation: orbFloat 8s ease-in-out infinite reverse;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 780px;
}

/* Badge */
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    padding: 0.38rem 1rem;
    border: 1px solid var(--border-h);
    border-radius: 100px;
    font-size: 0.75rem;
    color: var(--muted);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 2rem;
    animation: fadeUp 0.6s 0.2s ease both;
    font-weight: 500;
}

.badge-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--accent);
    flex-shrink: 0;
    animation: pulseDot 1.6s ease-in-out infinite;
}

/* Title */
.hero-title {
    font-family: var(--font-head);
    font-size: clamp(3.5rem, 9vw, 7rem);
    font-weight: 700;
    line-height: 0.82;
    letter-spacing: -0.04em;
    margin-bottom: 1.6rem;
    animation: fadeUp 0.6s 0.35s ease both;
}

.line-top {
    display: block;
    color: var(--text);
}

.line-bottom {
    display: block;
    margin-top: 0.08em;
}

.gradient-text {
    background: linear-gradient(90deg, var(--accent) 0%, var(--accent2) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.cursor-blink {
    display: inline-block;
    color: var(--accent);
    animation: blinkCursor 0.75s step-end infinite;
    font-weight: 300;
    -webkit-text-fill-color: var(--accent);
    margin-left: 2px;
}

/* Sub */
.hero-sub {
    font-size: 1.1rem;
    color: var(--muted);
    max-width: 540px;
    margin-bottom: 2.5rem;
    line-height: 1.75;
    animation: fadeUp 0.6s 0.5s ease both;
}

.hero-sub .highlight {
    color: var(--accent);
    font-weight: 500;
}

/* Actions */
.hero-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 2rem;
    animation: fadeUp 0.6s 0.65s ease both;
}

/* Buttons */
.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 0.85rem 1.8rem;
    background: var(--accent);
    color: #000;
    text-decoration: none;
    font-weight: 700;
    font-size: 0.85rem;
    letter-spacing: 0.04em;
    border-radius: var(--radius);
    border: 1px solid var(--accent);
    transition: all var(--transition);
    font-family: var(--font-body);
    cursor: pointer;
}

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

.btn-ghost {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 0.85rem 1.8rem;
    background: transparent;
    color: var(--text);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.85rem;
    letter-spacing: 0.04em;
    border-radius: var(--radius);
    border: 1px solid var(--border-h);
    transition: all var(--transition);
    font-family: var(--font-body);
    cursor: pointer;
}

.btn-ghost:hover {
    border-color: var(--text);
    transform: translateY(-2px);
}

/* Meta */
.hero-meta {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.82rem;
    color: var(--muted);
    animation: fadeUp 0.6s 0.8s ease both;
}

.meta-item {
    display: flex;
    align-items: center;
    gap: 5px;
}

.meta-sep {
    color: var(--muted2);
}

/* Scroll hint */
.hero-scroll-hint {
    position: absolute;
    bottom: 2.5rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    color: var(--muted2);
    font-size: 0.68rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    z-index: 2;
    animation: fadeUp 0.6s 1.1s ease both;
}

.scroll-track {
    width: 1px;
    height: 54px;
    background: var(--muted2);
    overflow: hidden;
    border-radius: 2px;
}

.scroll-thumb {
    width: 100%;
    height: 40%;
    background: var(--accent);
    border-radius: 2px;
    animation: scrollSlide 1.8s ease-in-out infinite;
}

/* ══════════════════════════════
   SECTIONS SHARED
══════════════════════════════ */
.section {
    padding: 7rem 0;
    position: relative;
    z-index: 2;
}

.section-eyebrow {
    font-size: 0.72rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--accent);
    font-weight: 600;
    margin-bottom: 1rem;
}

.section-title {
    font-family: var(--font-head);
    font-size: clamp(2rem, 5vw, 3.4rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1.08;
    margin-bottom: 0;
}

/* Section dividers */
.section+.section {
    border-top: 1px solid var(--border);
}

/* ══════════════════════════════
   ABOUT
══════════════════════════════ */
.about-section {
    background: var(--bg);
}

.about-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 5rem;
    align-items: start;
    margin-top: 3.5rem;
}

.about-text {
    font-size: 1rem;
    color: var(--muted);
    line-height: 1.85;
}

.about-text p {
    margin-bottom: 1.1rem;
}

.about-text strong {
    color: var(--text);
    font-weight: 600;
}

/* Stats */
.stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.stat-card {
    padding: 1.5rem 1.25rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    background: var(--bg2);
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.5s ease, transform 0.5s ease, border-color var(--transition);
}

.stat-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.stat-card:hover {
    border-color: var(--border-h);
    transform: translateY(-5px) !important;
}

.stat-num {
    font-family: var(--font-head);
    font-size: 2.4rem;
    font-weight: 800;
    color: var(--accent);
    line-height: 1;
    margin-bottom: 0.3rem;
}

.stat-label {
    font-size: 0.78rem;
    color: var(--muted);
    letter-spacing: 0.02em;
}

/* ══════════════════════════════
   SKILLS
══════════════════════════════ */
.skills-section {
    background: var(--bg2);
}

.skills-categories {
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
    margin-top: 3.5rem;
}

.skill-group {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.skill-group.visible {
    opacity: 1;
    transform: translateY(0);
}

.skill-group-label {
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--muted);
    font-weight: 600;
    margin-bottom: 1rem;
    padding-left: 2px;
}

.skill-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
}

.pill {
    padding: 0.55rem 1.1rem;
    border: 1px solid var(--border);
    border-radius: 100px;
    background: var(--bg3);
    font-size: 0.84rem;
    color: var(--muted);
    cursor: default;
    transition: all var(--transition);
    font-weight: 500;
}

.pill:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: var(--accent-dim);
    transform: translateY(-2px);
}

/* ══════════════════════════════
   PROJECTS
══════════════════════════════ */
.projects-section {
    background: var(--bg);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.4rem;
    margin-top: 3.5rem;
}

.project-card {
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    background: var(--bg2);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.5s ease, transform 0.5s ease, border-color var(--transition), box-shadow var(--transition);
    transition-delay: var(--delay, 0s);
}

.project-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.project-card:hover {
    border-color: var(--border-h);
    transform: translateY(-8px) !important;
    box-shadow: 0 24px 50px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(0, 255, 136, 0.08);
}

/* Thumbnails */
.project-thumb {
    height: 190px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.thumb-1 {
    background: linear-gradient(135deg, #0b1f14 0%, #071a0e 100%);
}

.thumb-2 {
    background: linear-gradient(135deg, #160c1f 0%, #0d0714 100%);
}

.thumb-3 {
    background: linear-gradient(135deg, #1a0a0a 0%, #120606 100%);
}

.thumb-4 {
    background: linear-gradient(135deg, #0a121f 0%, #060c14 100%);
}

.thumb-5 {
    background: linear-gradient(135deg, #071520 0%, #040e18 100%);
}

.thumb-icon {
    font-size: 3.2rem;
    z-index: 1;
}

.thumb-shine {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, transparent 40%, rgba(255, 255, 255, 0.025) 100%);
}

.project-body {
    padding: 1.5rem;
    flex: 1;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 0.9rem;
}

.tag {
    padding: 3px 10px;
    border: 1px solid var(--border);
    border-radius: 100px;
    font-size: 0.68rem;
    color: var(--muted);
    letter-spacing: 0.05em;
    font-weight: 500;
}

.project-name {
    font-family: var(--font-head);
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 0.55rem;
    letter-spacing: -0.02em;
    color: var(--text);
}

.project-desc {
    font-size: 0.86rem;
    color: var(--muted);
    line-height: 1.65;
}

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

.project-link {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: 0.78rem;
    text-decoration: none;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    font-weight: 600;
    transition: all var(--transition);
}

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

.project-link:hover {
    gap: 9px;
}

/* CTA card */
.cta-card {
    border: 1px dashed var(--border-h);
    background: transparent;
    min-height: 300px;
}

.cta-card:hover {
    border-color: var(--accent) !important;
    border-style: solid !important;
    box-shadow: 0 0 0 1px rgba(0, 255, 136, 0.1) !important;
}

.cta-card-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 2.5rem 2rem;
    height: 100%;
    min-height: 300px;
}

.cta-icon {
    font-size: 2.5rem;
    color: var(--accent);
    margin-bottom: 1rem;
    animation: spinSlow 8s linear infinite;
}

.cta-card-text {
    font-size: 0.9rem;
    color: var(--muted);
    line-height: 1.7;
    max-width: 220px;
}

/* ══════════════════════════════
   CONTACT
══════════════════════════════ */
.contact-section {
    background: var(--bg2);
}

.contact-inner {
    max-width: 680px;
}

.contact-sub {
    font-size: 1rem;
    color: var(--muted);
    margin-top: 1.2rem;
    margin-bottom: 3rem;
    line-height: 1.75;
}

.contact-links {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-card {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    padding: 1.25rem 1.5rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    background: var(--bg3);
    text-decoration: none;
    color: var(--text);
    transition: all var(--transition);
    opacity: 0;
    transform: translateX(-20px);
}

.contact-card.visible {
    opacity: 1;
    transform: translateX(0);
}

.contact-card:hover {
    border-color: var(--accent);
    transform: translateX(6px) !important;
    background: var(--accent-dim);
}

.contact-card-icon {
    width: 46px;
    height: 46px;
    border: 1px solid var(--border-h);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    flex-shrink: 0;
    background: var(--bg2);
    transition: border-color var(--transition);
}

.contact-card:hover .contact-card-icon {
    border-color: var(--accent);
}

.contact-card-text {
    flex: 1;
}

.contact-card-label {
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--muted);
    font-weight: 600;
    margin-bottom: 2px;
}

.contact-card-value {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text);
}

.contact-card-arrow {
    color: var(--muted);
    transition: transform var(--transition), color var(--transition);
}

.contact-card:hover .contact-card-arrow {
    transform: translateX(4px);
    color: var(--accent);
}

/* ══════════════════════════════
   FOOTER
══════════════════════════════ */
footer {
    border-top: 1px solid var(--border);
    background: var(--bg);
    padding: 1.5rem 0;
    position: relative;
    z-index: 2;
}

.footer-inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 2.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
}

.footer-logo {
    font-family: var(--font-head);
    font-size: 1.1rem;
    font-weight: 800;
    letter-spacing: -0.02em;
}

.footer-copy {
    font-size: 0.8rem;
    color: var(--muted2);
}

.footer-right {
    font-size: 0.8rem;
    color: var(--muted2);
}

/* ══════════════════════════════
   OBSERVE (scroll reveal base)
══════════════════════════════ */
.observe {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.55s ease, transform 0.55s ease;
}

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

/* ══════════════════════════════
   KEYFRAMES
══════════════════════════════ */
@keyframes fadeDown {
    from {
        opacity: 0;
        transform: translateY(-16px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(28px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes pulseDot {

    0%,
    100% {
        opacity: 1;
        transform: scale(1);
    }

    50% {
        opacity: 0.4;
        transform: scale(0.75);
    }
}

@keyframes blinkCursor {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0;
    }
}

@keyframes scrollSlide {
    0% {
        transform: translateY(-100%);
    }

    100% {
        transform: translateY(300%);
    }
}

@keyframes orbFloat {

    0%,
    100% {
        transform: translate(-50%, -50%) scale(1);
    }

    50% {
        transform: translate(-50%, -52%) scale(1.06);
    }
}

@keyframes spinSlow {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

/* ══════════════════════════════
   RESPONSIVE
══════════════════════════════ */
@media (max-width: 900px) {

    .nav-links,
    .nav-cta {
        display: none;
    }

    .hamburger {
        display: flex;
    }

    .hero {
        padding: 0 1.5rem;
        padding-top: 80px;
    }

    .container {
        padding: 0 1.5rem;
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

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

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

@media (max-width: 600px) {
    .hero-title {
        font-size: clamp(2.8rem, 12vw, 4.5rem);
    }

    .section-title {
        font-size: clamp(1.8rem, 8vw, 2.8rem);
    }

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

    .hero-actions {
        flex-direction: column;
    }

    .btn-primary,
    .btn-ghost {
        width: 100%;
        justify-content: center;
    }

    .section {
        padding: 5rem 0;
    }
}