/* ==========================================================================
   Hari.is-a.dev — Base, design tokens, navigation, hero, footer
   ========================================================================== */

/* ==========================================================================
   Design tokens
   ========================================================================== */

:root {

    /* Surfaces */
    --bg-primary: #020617;
    --bg-secondary: #0f172a;
    --surface: rgba(15, 23, 42, .72);
    --surface-raised: rgba(23, 33, 58, .82);
    --card: #111827;

    /* Text */
    --text: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;

    /* Accent */
    --accent: #3b82f6;
    --accent-light: #60a5fa;
    --accent-soft: rgba(96, 165, 250, .12);
    --accent-border: rgba(96, 165, 250, .32);
    --success: #22c55e;

    /* Lines & depth */
    --border: rgba(255, 255, 255, .08);
    --border-strong: rgba(255, 255, 255, .14);
    --shadow: 0 20px 45px rgba(0, 0, 0, .35);
    --shadow-lg: 0 32px 64px rgba(0, 0, 0, .45);

    /* Shape */
    --radius-sm: 10px;
    --radius: 18px;
    --radius-lg: 24px;
    --radius-pill: 999px;

    /* Motion */
    --transition: .3s cubic-bezier(.4, 0, .2, 1);
    --transition-slow: .6s cubic-bezier(.4, 0, .2, 1);

    /* Layout */
    --container: 1180px;
    --header-height: 72px;

    /* Fluid type scale */
    --step--1: clamp(.82rem, .78rem + .18vw, .9rem);
    --step-0: clamp(.95rem, .9rem + .22vw, 1.05rem);
    --step-1: clamp(1.1rem, 1rem + .4vw, 1.3rem);
    --step-2: clamp(1.4rem, 1.2rem + .8vw, 1.9rem);
    --step-3: clamp(1.8rem, 1.45rem + 1.5vw, 2.6rem);
    --step-4: clamp(2.4rem, 1.8rem + 2.8vw, 4rem);

    /* Font stacks — system fonts + one self-hosted pixel font */
    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
        "Helvetica Neue", Arial, sans-serif;
    --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas,
        "Liberation Mono", monospace;
    --font-pixel: "Press Start 2P", var(--font-mono);
}

/* ==========================================================================
   Fonts
   ========================================================================== */

@font-face {
    font-family: "Press Start 2P";
    src: url("../assets/fonts/press-start-2p.woff2") format("woff2");
    font-weight: 400;
    font-style: normal;
    font-display: swap;
}

/* ==========================================================================
   Reset
   ========================================================================== */

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: calc(var(--header-height) + 1.5rem);
    -webkit-text-size-adjust: 100%;
    -webkit-tap-highlight-color: transparent;
}

body {
    min-height: 100vh;
    background: var(--bg-primary);
    color: var(--text);
    font-family: var(--font-sans);
    font-size: var(--step-0);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

/* Ambient background wash */
body::before {
    content: "";
    position: fixed;
    inset: 0;
    z-index: -1;
    pointer-events: none;
    background:
        radial-gradient(60rem 40rem at 78% -8%, rgba(59, 130, 246, .16), transparent 60%),
        radial-gradient(45rem 35rem at 5% 12%, rgba(96, 165, 250, .09), transparent 62%),
        linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 55%, var(--bg-primary) 100%);
}

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

ul,
ol {
    list-style: none;
}

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

button {
    font: inherit;
    color: inherit;
    background: none;
    border: none;
    cursor: pointer;
}

h1,
h2,
h3,
h4 {
    line-height: 1.15;
    letter-spacing: -.02em;
    text-wrap: balance;
}

p {
    text-wrap: pretty;
}

/* ==========================================================================
   Accessibility
   ========================================================================== */

.skip-link {
    position: absolute;
    top: -100%;
    left: 1rem;
    z-index: 200;
    padding: .75rem 1.25rem;
    border-radius: var(--radius-sm);
    background: var(--accent);
    color: #04121f;
    font-weight: 700;
    transition: top var(--transition);
}

.skip-link:focus-visible {
    top: 1rem;
}

:focus-visible {
    outline: 2px solid var(--accent-light);
    outline-offset: 3px;
    border-radius: 4px;
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip-path: inset(50%);
    white-space: nowrap;
}

/* ==========================================================================
   Layout primitives
   ========================================================================== */

.container {
    width: min(var(--container), 92%);
    margin-inline: auto;
}

.section {
    padding-block: clamp(4rem, 9vw, 7.5rem);
}

.section-header {
    max-width: 60ch;
    margin-bottom: clamp(2.5rem, 5vw, 4rem);
}

.section-tag {
    display: inline-block;
    margin-bottom: 1rem;
    padding: .35rem .85rem;
    border: 1px solid var(--accent-border);
    border-radius: var(--radius-pill);
    background: var(--accent-soft);
    color: var(--accent-light);
    font-size: var(--step--1);
    font-weight: 600;
    letter-spacing: .06em;
    text-transform: uppercase;
}

.section-header h2 {
    margin-bottom: 1rem;
    font-size: var(--step-3);
}

.section-header p {
    color: var(--text-secondary);
    font-size: var(--step-1);
}

.loading-state {
    padding: 2rem 0;
    color: var(--text-muted);
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    padding: .8rem 1.5rem;
    border: 1px solid transparent;
    border-radius: var(--radius-pill);
    font-size: var(--step-0);
    font-weight: 600;
    white-space: nowrap;
    transition: transform var(--transition), background var(--transition),
        border-color var(--transition), box-shadow var(--transition);
}

.btn,
.nav-toggle,
.nav-links a {
    touch-action: manipulation;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-light), var(--accent));
    color: #04121f;
    box-shadow: 0 12px 28px rgba(59, 130, 246, .28);
}

.btn-secondary {
    border-color: var(--border-strong);
    background: var(--surface);
    color: var(--text);
}

.btn-ghost {
    border-color: var(--border);
    color: var(--text-secondary);
}

.btn:hover {
    transform: translateY(-2px);
}

.btn-secondary:hover,
.btn-ghost:hover {
    border-color: var(--accent-border);
    background: var(--accent-soft);
    color: var(--text);
}

/* ==========================================================================
   Header / navigation
   ========================================================================== */

.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid transparent;
    transition: background var(--transition), border-color var(--transition),
        backdrop-filter var(--transition);
}

.site-header.scrolled {
    border-bottom-color: var(--border);
    background: rgba(2, 6, 23, .78);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
}

.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    width: min(var(--container), 92%);
    min-height: var(--header-height);
    margin-inline: auto;
}

.logo {
    display: inline-flex;
    align-items: center;
    gap: .6rem;
    font-family: var(--font-pixel);
    font-size: clamp(.58rem, .52rem + .38vw, .8rem);
    letter-spacing: .06em;
    text-shadow: 0 0 18px rgba(96, 165, 250, .35);
}

.logo-mark {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--accent-light);
    box-shadow: 0 0 12px rgba(96, 165, 250, .8);
}

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

.nav-links {
    display: flex;
    align-items: center;
    gap: .35rem;
}

.nav-links a {
    position: relative;
    display: block;
    padding: .5rem .85rem;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: var(--step--1);
    font-weight: 500;
    transition: color var(--transition), background var(--transition);
}

.nav-links a:hover {
    color: var(--text);
    background: rgba(255, 255, 255, .04);
}

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

.nav-links a.active::after {
    content: "";
    position: absolute;
    bottom: .15rem;
    left: 50%;
    width: 18px;
    height: 2px;
    border-radius: 2px;
    background: var(--accent-light);
    transform: translateX(-50%);
}

.nav-cta {
    margin-left: .5rem;
    border: 1px solid var(--accent-border);
    background: var(--accent-soft);
    color: var(--accent-light) !important;
    font-weight: 600 !important;
}

.nav-cta.active::after {
    display: none;
}

/* Mobile toggle */

.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    min-width: 44px;
    min-height: 44px;
    padding: .5rem;
    border-radius: var(--radius-sm);
}

.nav-toggle-bar {
    display: block;
    width: 22px;
    height: 2px;
    border-radius: 2px;
    background: var(--text);
    transition: transform var(--transition), opacity var(--transition);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2) {
    opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* ==========================================================================
   Hero
   ========================================================================== */

.hero {
    padding-block: clamp(3rem, 7vw, 6rem) clamp(3rem, 6vw, 5rem);
}

.hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.35fr) minmax(0, .8fr);
    align-items: start;
    gap: clamp(2rem, 5vw, 4.5rem);
    width: min(var(--container), 92%);
    margin-inline: auto;
}

.availability {
    display: inline-flex;
    align-items: center;
    gap: .55rem;
    margin-bottom: 1.5rem;
    padding: .4rem 1rem;
    border: 1px solid rgba(34, 197, 94, .3);
    border-radius: var(--radius-pill);
    background: rgba(34, 197, 94, .08);
    color: #86efac;
    font-size: var(--step--1);
    font-weight: 600;
}

.availability-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--success);
    animation: pulse 2.4s infinite;
}

.hero h1 {
    margin-bottom: .35rem;
    font-size: var(--step-4);
    font-weight: 800;
}

.hero-role {
    margin-bottom: 1.5rem;
    background: linear-gradient(120deg, var(--accent-light), #a5b4fc);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    font-size: var(--step-2);
    font-weight: 700;
    letter-spacing: -.02em;
}

.hero-pitch {
    max-width: 54ch;
    margin-bottom: 1.75rem;
    color: var(--text-secondary);
    font-size: var(--step-1);
}

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

.hero-facts {
    display: flex;
    flex-wrap: wrap;
    gap: .6rem 1.75rem;
    margin-bottom: 2rem;
    color: var(--text-secondary);
    font-size: var(--step--1);
}

.hero-facts li {
    position: relative;
    padding-left: 1.15rem;
}

.hero-facts li::before {
    content: "";
    position: absolute;
    top: .62em;
    left: 0;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--accent-light);
}

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

.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: .75rem;
    margin-bottom: 2.5rem;
}

/* Scannable keyword strip — the ATS / recruiter surface */

.tech-strip {
    padding-top: 1.75rem;
    border-top: 1px solid var(--border);
}

.tech-strip-label {
    margin-bottom: .9rem;
    color: var(--text-muted);
    font-size: var(--step--1);
    font-weight: 600;
    letter-spacing: .12em;
    text-transform: uppercase;
}

.tech-strip-list {
    display: flex;
    flex-wrap: wrap;
    gap: .5rem;
}

.tech-strip-list li {
    padding: .35rem .8rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: rgba(255, 255, 255, .03);
    color: var(--text-secondary);
    font-family: var(--font-mono);
    font-size: var(--step--1);
    transition: color var(--transition), border-color var(--transition);
}

.tech-strip-list li:hover {
    border-color: var(--accent-border);
    color: var(--accent-light);
}

/* Profile card */

.hero-right {
    position: sticky;
    top: calc(var(--header-height) + 1.5rem);
}

.hero-profile-card {
    padding: clamp(1.5rem, 3vw, 2.25rem);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    background: var(--surface);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    box-shadow: var(--shadow);
    text-align: center;
    transition: transform var(--transition), border-color var(--transition);
}

.hero-profile-card:hover {
    transform: translateY(-4px);
    border-color: var(--accent-border);
}

.hero-profile-image {
    width: 144px;
    height: 144px;
    margin: 0 auto 1.25rem;
    border: 3px solid var(--accent-border);
    border-radius: 50%;
    object-fit: cover;
    box-shadow: 0 0 0 8px rgba(59, 130, 246, .06);
}

.profile-name {
    margin-bottom: .3rem;
    font-size: var(--step-1);
}

.profile-role {
    margin-bottom: .3rem;
    color: var(--accent-light);
    font-size: var(--step-0);
    font-weight: 600;
}

.profile-speciality {
    color: var(--text-muted);
    font-size: var(--step--1);
}

.hero-divider {
    height: 1px;
    margin-block: 1.5rem;
    background: linear-gradient(90deg, transparent, var(--border-strong), transparent);
}

.profile-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: .75rem;
    margin-bottom: 1.5rem;
}

.profile-stats dt {
    color: var(--text-muted);
    font-size: .72rem;
    letter-spacing: .06em;
    text-transform: uppercase;
}

.profile-stats dd {
    margin-top: .2rem;
    font-size: var(--step-0);
    font-weight: 700;
}

.profile-contact {
    display: block;
    padding: .7rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: var(--step--1);
    word-break: break-all;
    transition: color var(--transition), border-color var(--transition);
}

.profile-contact:hover {
    border-color: var(--accent-border);
    color: var(--accent-light);
}

/* ==========================================================================
   Stats band
   ========================================================================== */

.highlights {
    padding-block: clamp(2rem, 4vw, 3rem);
}

.stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1rem;
}

.stat-card {
    padding: 1.75rem 1.25rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--surface);
    text-align: center;
    transition: transform var(--transition), border-color var(--transition);
}

.stat-card:hover {
    transform: translateY(-4px);
    border-color: var(--accent-border);
}

.stat-card h3 {
    margin-bottom: .35rem;
    background: linear-gradient(135deg, var(--accent-light), var(--accent));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    font-size: var(--step-3);
    font-weight: 800;
}

.stat-suffix {
    font-size: .6em;
}

.stat-card p {
    color: var(--text-secondary);
    font-size: var(--step--1);
}

/* ==========================================================================
   About
   ========================================================================== */

.about-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
    gap: clamp(2rem, 4vw, 3.5rem);
}

.about-lead p {
    margin-bottom: 1.25rem;
    color: var(--text-secondary);
    font-size: var(--step-1);
}

.about-lead p:first-child {
    color: var(--text);
}

.principles {
    display: grid;
    gap: 1rem;
    align-content: start;
}

.principles li {
    padding: 1.25rem 1.5rem;
    border: 1px solid var(--border);
    border-left: 3px solid var(--accent-border);
    border-radius: var(--radius);
    background: var(--surface);
    transition: transform var(--transition), border-left-color var(--transition);
}

.principles li:hover {
    transform: translateX(4px);
    border-left-color: var(--accent-light);
}

.principles h3 {
    margin-bottom: .3rem;
    font-size: var(--step-0);
}

.principles p {
    color: var(--text-secondary);
    font-size: var(--step--1);
}

/* ==========================================================================
   Footer
   ========================================================================== */

footer {
    padding-block: clamp(3.5rem, 7vw, 6rem) calc(2.5rem + env(safe-area-inset-bottom));
    border-top: 1px solid var(--border);
    background: linear-gradient(180deg, transparent, rgba(59, 130, 246, .05));
}

.footer-main {
    max-width: 56ch;
    margin: 0 auto 3rem;
    text-align: center;
}

.footer-main h2 {
    margin-bottom: 1rem;
    font-size: var(--step-3);
}

.footer-main p {
    margin-bottom: 2rem;
    color: var(--text-secondary);
    font-size: var(--step-1);
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: .75rem;
}

.copyright {
    padding-top: 2rem;
    border-top: 1px solid var(--border);
    color: var(--text-muted);
    font-size: var(--step--1);
    text-align: center;
}

.copyright a {
    color: var(--text-secondary);
    text-decoration: underline;
    text-underline-offset: 3px;
}

.copyright a:hover {
    color: var(--accent-light);
}

/* ==========================================================================
   Scroll reveal
   ========================================================================== */

.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.reveal.visible {
    opacity: 1;
    transform: none;
}

@keyframes pulse {
    0% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(34, 197, 94, .6);
    }

    70% {
        transform: scale(1.15);
        box-shadow: 0 0 0 8px rgba(34, 197, 94, 0);
    }

    100% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(34, 197, 94, 0);
    }
}

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 1024px) {

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

    .hero-right {
        position: static;
        max-width: 380px;
    }

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

@media (max-width: 860px) {

    .nav-toggle {
        display: flex;
    }

    .nav-links {
        position: absolute;
        top: var(--header-height);
        right: 4%;
        left: 4%;
        display: none;
        flex-direction: column;
        align-items: stretch;
        gap: .25rem;
        padding: 1rem;
        border: 1px solid var(--border);
        border-radius: var(--radius);
        background: rgba(2, 6, 23, .96);
        backdrop-filter: blur(18px);
        -webkit-backdrop-filter: blur(18px);
        box-shadow: var(--shadow-lg);
    }

    .nav-links.open {
        display: flex;
    }

    .nav-links a {
        padding: .75rem 1rem;
        font-size: var(--step-0);
    }

    .nav-links a.active::after {
        display: none;
    }

    .nav-cta {
        margin-left: 0;
        text-align: center;
    }
}

@media (max-width: 640px) {

    .hero-profile-image {
        width: 112px;
        height: 112px;
    }

    .hero-buttons .btn {
        flex: 1 1 auto;
        justify-content: center;
    }

    .hero-facts {
        flex-direction: column;
        gap: .4rem;
    }

    .stats {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {

    .section {
        padding-block: 3rem;
    }

    .section-header {
        margin-bottom: 2rem;
    }

    .section-header h2 {
        font-size: var(--step-2);
    }

    .footer-links a {
        padding: .5rem .75rem;
        border: 1px solid var(--border);
        border-radius: var(--radius-sm);
    }
}

@media (max-width: 360px) {

    .stats {
        gap: .75rem;
    }

    .stat-card {
        padding: 1.25rem .75rem;
    }

    .stat-card h3 {
        font-size: var(--step-2);
    }
}

@media (max-height: 500px) and (orientation: landscape) {

    .hero {
        padding-block: 3rem;
    }

    .hero-profile-card {
        padding: 1.25rem;
    }

    .hero-profile-image {
        width: 104px;
        height: 104px;
        margin-bottom: .75rem;
    }
}

/* ==========================================================================
   Motion & print
   ========================================================================== */

@media (prefers-reduced-motion: reduce) {

    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        animation-duration: .01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: .01ms !important;
    }

    .reveal {
        opacity: 1;
        transform: none;
    }
}

@media print {

    body::before,
    .site-header,
    .nav-toggle {
        display: none;
    }

    body {
        background: #fff;
        color: #000;
    }
}