/* ═══════════════════════════════════════════════════════════
   HASHAR AHMED — PORTFOLIO v2.0 | MODERN TECH DESIGN SYSTEM
   ═══════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@300;400;500;600;700&family=Orbitron:wght@400;600;700;900&family=JetBrains+Mono:wght@400;500&display=swap');

/* ── DESIGN TOKENS ────────────────────────────────────────── */
:root {
    --bg: #030712;
    --bg-1: #0a0f1e;
    --bg-2: #0f1629;
    --surface: rgba(255, 255, 255, 0.04);
    --surface-2: rgba(255, 255, 255, 0.08);
    --border: rgba(255, 255, 255, 0.08);
    --border-2: rgba(255, 255, 255, 0.15);

    --cyan: #00d4ff;
    --cyan-dim: rgba(0, 212, 255, 0.15);
    --cyan-glow: rgba(0, 212, 255, 0.4);
    --violet: #7c3aed;
    --violet-2: #a855f7;
    --violet-dim: rgba(124, 58, 237, 0.15);
    --green: #10b981;
    --amber: #f59e0b;

    --grad-1: linear-gradient(135deg, #00d4ff 0%, #7c3aed 100%);
    --grad-2: linear-gradient(135deg, #7c3aed 0%, #a855f7 100%);

    --text: #f1f5f9;
    --text-2: #94a3b8;
    --text-3: #475569;

    --font-ui: 'Space Grotesk', sans-serif;
    --font-tech: 'Orbitron', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;

    --nav-h: 72px;
    --r-sm: 8px;
    --r-md: 14px;
    --r-lg: 20px;
    --r-xl: 28px;

    --ease: cubic-bezier(0.16, 1, 0.3, 1);
    --fast: 0.15s;
    --mid: 0.35s;
    --slow: 0.7s;
}

/* ── RESET ────────────────────────────────────────────────── */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    cursor: none;
}

html {
    scroll-behavior: smooth;
}

body {
    background: var(--bg);
    color: var(--text);
    font-family: var(--font-ui);
    overflow-x: hidden;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

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

a {
    text-decoration: none;
}

/* ── CUSTOM CURSOR ────────────────────────────────────────── */
.cursor-dot {
    width: 6px;
    height: 6px;
    background: var(--cyan);
    border-radius: 50%;
    position: fixed;
    top: 0;
    left: 0;
    pointer-events: none;
    z-index: 10000;
    transform: translate(-50%, -50%);
    box-shadow: 0 0 12px var(--cyan), 0 0 24px var(--cyan-glow);
    transition: width var(--fast), height var(--fast), background var(--fast);
}

.cursor-ring {
    width: 36px;
    height: 36px;
    border: 1.5px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    position: fixed;
    top: 0;
    left: 0;
    pointer-events: none;
    z-index: 9999;
    transform: translate(-50%, -50%);
    transition: width 0.2s var(--ease), height 0.2s var(--ease),
        border-color 0.2s, background-color 0.2s;
}

body.hovering .cursor-ring {
    width: 54px;
    height: 54px;
    border-color: var(--cyan);
    background: rgba(0, 212, 255, 0.06);
}

body.hovering .cursor-dot {
    width: 10px;
    height: 10px;
}

@media (max-width:1024px) {

    .cursor-dot,
    .cursor-ring {
        display: none;
    }

    * {
        cursor: auto;
    }
}

/* ── BACKGROUND ───────────────────────────────────────────── */
#particles-canvas {
    position: fixed;
    inset: 0;
    z-index: -3;
    pointer-events: none;
}

.grid-overlay {
    position: fixed;
    inset: 0;
    z-index: -2;
    pointer-events: none;
    background-image:
        linear-gradient(rgba(0, 212, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 212, 255, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black, transparent);
}

.orb {
    position: fixed;
    border-radius: 50%;
    filter: blur(100px);
    pointer-events: none;
    z-index: -1;
    animation: orbDrift 20s ease-in-out infinite alternate;
}

.orb-1 {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(124, 58, 237, 0.18), transparent 70%);
    top: -10%;
    left: -10%;
}

.orb-2 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(0, 212, 255, 0.14), transparent 70%);
    bottom: -5%;
    right: -5%;
    animation-delay: -10s;
}

.orb-3 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(168, 85, 247, 0.1), transparent 70%);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: -5s;
}

@keyframes orbDrift {
    0% {
        transform: translate(0, 0) scale(1);
        opacity: 0.6;
    }

    100% {
        transform: translate(30px, 40px) scale(1.15);
        opacity: 1;
    }
}

/* ── NAVBAR ───────────────────────────────────────────────── */
.navbar {
    height: var(--nav-h);
    background: rgba(3, 7, 18, 0.85);
    backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid var(--border);
    transition: background var(--mid), border-color var(--mid);
    z-index: 1030;
}

.navbar.scrolled {
    background: rgba(3, 7, 18, 0.97);
    border-color: var(--border-2);
}

.navbar-brand {
    font-family: var(--font-tech);
    font-size: 1.5rem;
    font-weight: 700;
    color: #fff !important;
    letter-spacing: 3px;
    display: flex;
    align-items: center;
    gap: 4px;
}

.navbar-brand .dot {
    color: var(--cyan);
}

.nav-link {
    color: var(--text-2) !important;
    font-size: 0.9rem;
    font-weight: 500;
    margin-left: 2.5rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    position: relative;
    transition: color var(--fast);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1.5px;
    background: var(--grad-1);
    transition: width var(--mid) var(--ease);
    border-radius: 2px;
}

.nav-link:hover {
    color: #fff !important;
}

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

.nav-cta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 22px;
    background: var(--cyan-dim);
    border: 1px solid var(--cyan);
    border-radius: var(--r-sm);
    color: var(--cyan) !important;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    margin-left: 2.5rem;
    transition: background var(--fast), box-shadow var(--fast), color var(--fast);
}

.nav-cta:hover {
    background: var(--cyan);
    color: #000 !important;
    box-shadow: 0 0 24px var(--cyan-glow);
}

/* ── HERO ─────────────────────────────────────────────────── */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: calc(var(--nav-h) + 20px);
    padding-bottom: 80px;
    position: relative;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    background: var(--violet-dim);
    border: 1px solid rgba(124, 58, 237, 0.4);
    border-radius: 50px;
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--violet-2);
    letter-spacing: 0.05em;
    margin-bottom: 24px;
}

.hero-badge .pulse-dot {
    width: 7px;
    height: 7px;
    background: var(--green);
    border-radius: 50%;
    box-shadow: 0 0 8px var(--green);
    animation: pulseDot 2s ease-in-out infinite;
}

@keyframes pulseDot {

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

    50% {
        opacity: 0.5;
        transform: scale(0.7);
    }
}

.hero-title {
    font-family: var(--font-tech);
    font-size: clamp(2.4rem, 6vw, 5.2rem);
    line-height: 1.05;
    font-weight: 900;
    letter-spacing: -0.01em;
    margin-bottom: 8px;
}

.hero-title .line-2 {
    display: block;
    background: var(--grad-1);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    margin-top: 6px;
}

.hero-typed-wrapper {
    font-family: var(--font-mono);
    font-size: clamp(1rem, 2.5vw, 1.4rem);
    color: var(--text-2);
    margin-bottom: 28px;
    min-height: 2em;
}

.hero-typed-wrapper .typed-text {
    color: var(--cyan);
}

.hero-typed-wrapper .cursor-blink {
    display: inline-block;
    width: 2px;
    height: 1.1em;
    background: var(--cyan);
    margin-left: 3px;
    vertical-align: middle;
    animation: blink 0.8s step-end infinite;
}

@keyframes blink {

    0%,
    100% {
        opacity: 1
    }

    50% {
        opacity: 0
    }
}

.hero-desc {
    font-size: clamp(1rem, 2vw, 1.15rem);
    color: var(--text-2);
    line-height: 1.8;
    max-width: 560px;
    margin-bottom: 44px;
}

.hero-actions {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 32px;
    background: var(--grad-1);
    border-radius: var(--r-sm);
    color: #fff;
    font-weight: 600;
    font-size: 0.95rem;
    letter-spacing: 0.02em;
    box-shadow: 0 4px 24px rgba(0, 212, 255, 0.3);
    transition: transform var(--fast), box-shadow var(--fast);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(0, 212, 255, 0.45);
    color: #fff;
}

.btn-ghost {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 32px;
    background: transparent;
    border: 1px solid var(--border-2);
    border-radius: var(--r-sm);
    color: var(--text);
    font-weight: 500;
    font-size: 0.95rem;
    transition: border-color var(--fast), background var(--fast), transform var(--fast);
}

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

/* Hero Image */
.hero-img-wrap {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-img-glow {
    position: absolute;
    width: 380px;
    height: 380px;
    background: radial-gradient(circle, rgba(124, 58, 237, 0.25), transparent 70%);
    filter: blur(40px);
    border-radius: 50%;
    z-index: 0;
    animation: orbDrift 8s ease-in-out infinite alternate;
}

.hero-img-frame {
    position: relative;
    z-index: 1;
    border-radius: var(--r-xl);
    padding: 3px;
    background: var(--grad-1);
    box-shadow: 0 0 60px rgba(0, 212, 255, 0.15);
}

.hero-img-inner {
    border-radius: calc(var(--r-xl) - 3px);
    overflow: hidden;
    background: var(--bg-1);
}

.hero-img-inner img {
    width: 100%;
    max-width: 420px;
    display: block;
    filter: grayscale(30%) contrast(1.05);
    transition: filter var(--slow);
}

.hero-img-frame:hover .hero-img-inner img {
    filter: grayscale(0%) contrast(1);
}

/* Hero Stats */
.hero-stats {
    display: flex;
    gap: 32px;
    margin-top: 52px;
    padding-top: 32px;
    border-top: 1px solid var(--border);
}

.stat-item {
    text-align: left;
}

.stat-num {
    font-family: var(--font-tech);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--cyan);
    line-height: 1;
}

.stat-num span {
    font-size: 1.2rem;
}

.stat-label {
    font-size: 0.8rem;
    color: var(--text-3);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-top: 4px;
}

/* ── MARQUEE ──────────────────────────────────────────────── */
.marquee-section {
    padding: 0;
    overflow: hidden;
    position: relative;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    background: linear-gradient(90deg, transparent, rgba(0, 212, 255, 0.03), transparent);
}

.marquee-track {
    display: flex;
    width: fit-content;
    animation: marqueeScroll 30s linear infinite;
    padding: 18px 0;
}

.marquee-track:hover {
    animation-play-state: paused;
}

.marquee-item {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-right: 20px;
    white-space: nowrap;
}

.marquee-tag {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-2);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    padding: 5px 16px;
    border: 1px solid var(--border);
    border-radius: 50px;
    background: var(--surface);
    transition: border-color var(--fast), color var(--fast);
}

.marquee-item .sep {
    width: 4px;
    height: 4px;
    background: var(--violet);
    border-radius: 50%;
    flex-shrink: 0;
}

@keyframes marqueeScroll {
    0% {
        transform: translateX(0);
    }

    100% {
        transform: translateX(-50%);
    }
}

/* ── SECTIONS ─────────────────────────────────────────────── */
section {
    padding: 100px 0;
}

.section-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--cyan);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: 16px;
}

.section-eyebrow::before {
    content: '';
    width: 24px;
    height: 1.5px;
    background: var(--cyan);
    display: inline-block;
}

.section-title {
    font-family: var(--font-tech);
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    font-weight: 700;
    line-height: 1.15;
    margin-bottom: 16px;
}

.section-title .accent {
    background: var(--grad-1);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.section-desc {
    font-size: 1.05rem;
    color: var(--text-2);
    max-width: 520px;
    line-height: 1.8;
}

/* ── PHILOSOPHY ───────────────────────────────────────────── */
#about {
    background: linear-gradient(180deg, transparent, var(--bg-1), transparent);
}

.philosophy-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 64px;
}

.philosophy-card {
    padding: 32px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    position: relative;
    overflow: hidden;
    transition: transform var(--mid) var(--ease), border-color var(--mid), box-shadow var(--mid);
}

.philosophy-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--grad-1);
    opacity: 0;
    transition: opacity var(--mid);
    border-radius: inherit;
}

.philosophy-card:hover {
    transform: translateY(-6px);
    border-color: rgba(0, 212, 255, 0.4);
    box-shadow: 0 20px 60px rgba(0, 212, 255, 0.08);
}

.philosophy-card:hover::before {
    opacity: 0.04;
}

.card-icon {
    width: 48px;
    height: 48px;
    background: var(--cyan-dim);
    border: 1px solid rgba(0, 212, 255, 0.3);
    border-radius: var(--r-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    font-size: 1.3rem;
}

.philosophy-card h3 {
    font-family: var(--font-tech);
    font-size: 1rem;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 10px;
    letter-spacing: 0.03em;
}

.philosophy-card p {
    font-size: 0.92rem;
    color: var(--text-2);
    line-height: 1.7;
}

/* ── PROJECTS ─────────────────────────────────────────────── */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 24px;
    margin-top: 64px;
}

.project-card {
    position: relative;
    overflow: hidden;
    border-radius: var(--r-lg);
    border: 1px solid var(--border);
    background: var(--surface);
    transition: transform var(--mid) var(--ease),
        border-color var(--mid), box-shadow var(--mid);
}

.project-card:hover {
    transform: translateY(-8px);
    border-color: rgba(0, 212, 255, 0.35);
    box-shadow: 0 24px 80px rgba(0, 212, 255, 0.1);
}

.project-thumb-wrap {
    position: relative;
    overflow: hidden;
    height: 220px;
}

.project-thumb {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s var(--ease), filter 0.4s;
    filter: brightness(0.85) saturate(0.9);
}

.project-card:hover .project-thumb {
    transform: scale(1.06);
    filter: brightness(1) saturate(1.1);
}

.project-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 30%, rgba(3, 7, 18, 0.95) 100%);
    display: flex;
    align-items: flex-end;
    padding: 20px;
    opacity: 0;
    transition: opacity var(--mid);
}

.project-card:hover .project-overlay {
    opacity: 1;
}

.project-view-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 18px;
    background: var(--cyan);
    color: #000;
    border-radius: var(--r-sm);
    font-weight: 600;
    font-size: 0.85rem;
    transition: transform var(--fast);
}

.project-view-btn:hover {
    transform: scale(1.03);
    color: #000;
}

.project-body {
    padding: 24px;
}

.project-tags {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 12px;
}

.project-tag {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    padding: 3px 10px;
    background: var(--violet-dim);
    border: 1px solid rgba(124, 58, 237, 0.35);
    border-radius: 50px;
    color: var(--violet-2);
    letter-spacing: 0.05em;
}

.project-title {
    font-family: var(--font-tech);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 8px;
}

.project-desc {
    font-size: 0.88rem;
    color: var(--text-2);
    line-height: 1.65;
    margin-bottom: 16px;
}

.project-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--cyan);
    transition: gap var(--fast);
}

.project-link:hover {
    gap: 10px;
    color: var(--cyan);
}

.project-link svg {
    transition: transform var(--fast);
}

.project-link:hover svg {
    transform: translateX(3px);
}

/* ── CONTACT CTA ──────────────────────────────────────────── */
#contact {
    background: linear-gradient(180deg, transparent, var(--bg-1));
}

.cta-box {
    position: relative;
    overflow: hidden;
    padding: 80px 60px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--r-xl);
    text-align: center;
}

.cta-box::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1.5px;
    background: var(--grad-1);
}

.cta-box::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 50% 0%, rgba(0, 212, 255, 0.06), transparent 60%);
    pointer-events: none;
}

.cta-box h2 {
    font-family: var(--font-tech);
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    margin-bottom: 16px;
}

.cta-box p {
    color: var(--text-2);
    font-size: 1.05rem;
    margin-bottom: 40px;
}

/* ── FOOTER ───────────────────────────────────────────────── */
footer {
    padding: 40px 0;
    border-top: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-brand {
    font-family: var(--font-tech);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-2);
    letter-spacing: 2px;
}

.footer-copy {
    font-size: 0.82rem;
    color: var(--text-3);
}

.footer-links {
    display: flex;
    gap: 24px;
}

.footer-links a {
    font-size: 0.82rem;
    color: var(--text-3);
    transition: color var(--fast);
}

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

/* ── REVEAL ANIMATIONS ────────────────────────────────────── */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity var(--slow) var(--ease),
        transform var(--slow) var(--ease);
}

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

.reveal-delay-1 {
    transition-delay: 0.1s;
}

.reveal-delay-2 {
    transition-delay: 0.2s;
}

.reveal-delay-3 {
    transition-delay: 0.3s;
}

.reveal-delay-4 {
    transition-delay: 0.4s;
}

/* ── GLASSMORPHISM UTILITY ────────────────────────────────── */
.glass {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(16px) saturate(140%);
    border: 1px solid var(--border);
}

/* ── RESPONSIVE ───────────────────────────────────────────── */
@media (max-width:992px) {
    .hero-section {
        text-align: center;
        padding-top: calc(var(--nav-h) + 40px);
    }

    .hero-desc {
        margin-left: auto;
        margin-right: auto;
    }

    .hero-actions {
        justify-content: center;
    }

    .hero-stats {
        justify-content: center;
    }

    .hero-img-wrap {
        margin-top: 60px;
    }

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

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

    .cta-box {
        padding: 50px 30px;
    }

    .footer-inner {
        justify-content: center;
        text-align: center;
    }

    /* Hamburger menu — keep inside viewport */
    .navbar-collapse {
        background: rgba(3, 7, 18, 0.98);
        backdrop-filter: blur(20px);
        padding: 16px 20px;
        margin-top: 8px;
        border-radius: var(--r-md);
        border: 1px solid var(--border);
        box-shadow: 0 8px 32px rgba(0, 0, 0, 0.8);
        max-height: calc(100vh - var(--nav-h) - 16px);
        overflow-y: auto;
        position: relative;
        z-index: 1029;
    }

    .nav-link {
        margin-left: 0;
        padding: 12px 0;
        border-bottom: 1px solid var(--border);
        display: block;
    }

    .nav-link:last-child {
        border: none;
    }

    .nav-cta {
        margin-left: 0;
        margin-top: 12px;
        width: 100%;
        justify-content: center;
        display: inline-flex;
    }

    section {
        padding: 70px 0;
    }
}

@media (max-width:768px) {
    .hero-section {
        padding-top: calc(var(--nav-h) + 24px);
        padding-bottom: 60px;
    }

    .cta-box {
        padding: 40px 20px;
    }

    .hero-img-inner img {
        max-width: 100%;
    }

    .hero-img-glow {
        width: 260px;
        height: 260px;
    }
}

@media (max-width:576px) {
    .hero-stats {
        flex-direction: column;
        gap: 16px;
        align-items: center;
    }

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

    .navbar {
        padding-left: 8px;
        padding-right: 8px;
    }

    .navbar-brand {
        font-size: 1.2rem;
    }

    .hero-title {
        font-size: clamp(2rem, 9vw, 3.5rem);
    }
}