:root {
    --bg-main: #0B0F19;
    --bg-soft: #10182A;
    --bg-alt: #11172E;
    --card-bg: rgba(255, 255, 255, 0.05);
    --line-soft: rgba(0, 229, 255, 0.22);
    --accent-cyan: #00E5FF;
    --accent-purple: #7000FF;
    --text-main: #F4F8FF;
    --text-muted: #B4BED8;
    --danger: #FF5A7D;
    --success: #47E6B1;
    --font-display: "Orbitron", sans-serif;
    --font-body: "Manrope", sans-serif;
}

* {
    box-sizing: border-box;
}

html,
body {
    width: 100%;
    overflow-x: hidden;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: var(--font-body);
    color: var(--text-main);
    background:
        radial-gradient(circle at 10% 10%, rgba(0, 229, 255, 0.14), transparent 30%),
        radial-gradient(circle at 80% 0%, rgba(112, 0, 255, 0.18), transparent 34%),
        linear-gradient(160deg, #080D18 0%, var(--bg-main) 48%, #070B14 100%);
    line-height: 1.75;
}

.section-shell {
    position: relative;
    padding: 110px 0;
}

.section-shell-sm {
    padding: 30px 0 36px;
}

.section-tint {
    background: linear-gradient(180deg, rgba(0, 229, 255, 0.04) 0%, rgba(112, 0, 255, 0.03) 100%);
}

.glass-card {
    background: var(--card-bg);
    border: 1px solid var(--line-soft);
    backdrop-filter: blur(16px);
    border-radius: 22px;
    box-shadow: 0 15px 45px rgba(0, 0, 0, 0.3);
}

.section-heading-wrap {
    margin-bottom: 48px;
}

.section-chip {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    border: 1px solid var(--line-soft);
    border-radius: 999px;
    padding: 7px 16px;
    color: var(--accent-cyan);
    font-size: 0.82rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    margin-bottom: 18px;
    background: rgba(0, 229, 255, 0.08);
}

.section-title {
    margin: 0;
    font-family: var(--font-display);
    font-size: clamp(1.8rem, 3.2vw, 2.8rem);
    letter-spacing: 0.03em;
}

.futuristic-nav {
    background: rgba(8, 13, 24, 0.78);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid rgba(0, 229, 255, 0.14);
    padding: 12px 0;
}

.brand-mark {
    width: 46px;
    height: 46px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--text-main);
    text-decoration: none;
    font-family: var(--font-display);
    letter-spacing: 0.06em;
    border: 1px solid var(--line-soft);
    background: linear-gradient(145deg, rgba(0, 229, 255, 0.2), rgba(112, 0, 255, 0.2));
}

.brand-mark:hover {
    color: var(--text-main);
}

.navbar-toggler {
    border-color: var(--line-soft);
}

.navbar-toggler:focus {
    box-shadow: 0 0 0 0.16rem rgba(0, 229, 255, 0.3);
}

.navbar-toggler-icon {
    filter: invert(1);
}

.nav-links .nav-link {
    color: var(--text-muted);
    font-weight: 600;
    margin-left: 10px;
    position: relative;
}

.nav-links .nav-link:hover,
.nav-links .nav-link.active {
    color: var(--accent-cyan);
}

.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 130px;
}

.hero-grid-overlay {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(0, 229, 255, 0.07) 1px, transparent 1px),
        linear-gradient(90deg, rgba(112, 0, 255, 0.06) 1px, transparent 1px);
    background-size: 72px 72px;
    mask-image: radial-gradient(circle at center, black 20%, transparent 85%);
    pointer-events: none;
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.3rem, 5vw, 4.6rem);
    margin: 0;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    text-shadow: 0 0 22px rgba(0, 229, 255, 0.3);
}

.hero-subtitle {
    margin: 18px 0 0;
    font-size: clamp(1rem, 1.7vw, 1.18rem);
    color: var(--text-muted);
    max-width: 700px;
}

.typing-wrap {
    margin-top: 24px;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    min-height: 34px;
}

.typing-prefix {
    color: var(--text-muted);
    font-weight: 600;
}

.typing-text {
    color: var(--accent-cyan);
    font-weight: 700;
    letter-spacing: 0.03em;
}

.typed-cursor {
    color: var(--accent-cyan);
    animation: blink 0.7s infinite;
}

@keyframes blink {
    0%,
    49% { opacity: 1; }
    50%,
    100% { opacity: 0; }
}

.cta-row {
    margin-top: 34px;
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
}

.btn-futuristic-primary,
.btn-futuristic-outline {
    border-radius: 12px;
    font-weight: 700;
    padding: 12px 22px;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    font-size: 0.82rem;
    border: 1px solid transparent;
    transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
    text-decoration: none;
}

.btn-futuristic-primary {
    color: #04101A;
    background: linear-gradient(135deg, var(--accent-cyan), #35FFE8, var(--accent-purple));
    box-shadow: 0 12px 30px rgba(0, 229, 255, 0.32);
}

.btn-futuristic-primary:hover {
    color: #031019;
    transform: translateY(-2px);
    box-shadow: 0 15px 34px rgba(0, 229, 255, 0.4);
}

.btn-futuristic-outline {
    border-color: var(--line-soft);
    color: var(--text-main);
    background: rgba(255, 255, 255, 0.03);
}

.btn-futuristic-outline:hover {
    color: var(--accent-cyan);
    transform: translateY(-2px);
    box-shadow: 0 12px 28px rgba(112, 0, 255, 0.25);
}

.social-floating {
    margin-top: 28px;
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.social-pill {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--text-main);
    border: 1px solid var(--line-soft);
    text-decoration: none;
    background: rgba(255, 255, 255, 0.03);
}

.social-pill:hover {
    color: var(--accent-cyan);
    box-shadow: 0 0 24px rgba(0, 229, 255, 0.3);
}

.hero-avatar-shell {
    padding: 18px;
    border-radius: 30px;
    position: relative;
    overflow: hidden;
}

.hero-avatar-shell::before {
    content: "";
    position: absolute;
    inset: -60% 20% auto;
    height: 220px;
    background: radial-gradient(circle, rgba(0, 229, 255, 0.38), transparent 70%);
    pointer-events: none;
}

.hero-avatar {
    width: 100%;
    border-radius: 24px;
    display: block;
    border: 1px solid rgba(0, 229, 255, 0.2);
}

.about-layout {
    display: grid;
    grid-template-columns: 1.35fr 1fr;
    gap: 22px;
}

.about-main {
    padding: 30px;
}

.about-main p {
    margin: 0 0 14px;
    color: var(--text-muted);
}

.about-main p:last-child {
    margin-bottom: 0;
}

.about-highlights {
    display: grid;
    gap: 18px;
}

.mini-feature {
    padding: 24px;
}

.mini-feature h3 {
    font-family: var(--font-display);
    font-size: 1.03rem;
    margin: 0 0 8px;
    letter-spacing: 0.03em;
}

.mini-feature p {
    margin: 0;
    color: var(--text-muted);
}

.service-card {
    padding: 24px;
    min-height: 248px;
    display: flex;
    flex-direction: column;
}

.service-icon {
    width: 50px;
    height: 50px;
    border-radius: 14px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
    border: 1px solid rgba(0, 229, 255, 0.3);
    background: linear-gradient(145deg, rgba(0, 229, 255, 0.2), rgba(112, 0, 255, 0.16));
    color: var(--accent-cyan);
    box-shadow: 0 10px 24px rgba(0, 229, 255, 0.16);
    font-size: 1.1rem;
}

.service-card h3 {
    font-family: var(--font-display);
    font-size: 1.03rem;
    margin: 0 0 10px;
    letter-spacing: 0.03em;
}

.service-card p {
    margin: 0;
    color: var(--text-muted);
}

.skill-card {
    padding: 26px;
    height: 100%;
}

.skill-card h3 {
    font-family: var(--font-display);
    margin-bottom: 24px;
    font-size: 1.05rem;
    letter-spacing: 0.04em;
}

.skill-meter + .skill-meter {
    margin-top: 16px;
}

.skill-head {
    display: flex;
    justify-content: space-between;
    gap: 10px;
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 6px;
}

.skill-name {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    flex: 1;
    min-width: 0;
}

.skill-name i {
    color: var(--accent-cyan);
    min-width: 16px;
    text-align: center;
}

.meter-track {
    height: 9px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(0, 229, 255, 0.18);
    overflow: hidden;
}

.meter-fill {
    width: 0;
    height: 100%;
    border-radius: 999px;
    background: linear-gradient(90deg, var(--accent-cyan), var(--accent-purple));
    box-shadow: 0 0 15px rgba(0, 229, 255, 0.45);
    transition: width 1.4s cubic-bezier(.17,.67,.29,1);
}

.timeline-wrap {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
    display: grid;
    gap: 22px;
}

.timeline-wrap::before {
    content: "";
    position: absolute;
    left: -24px;
    top: 18px;
    bottom: 18px;
    width: 2px;
    background: linear-gradient(var(--accent-cyan), var(--accent-purple));
}

.timeline-item {
    padding: 24px;
    position: relative;
}

.timeline-item::before {
    content: "";
    position: absolute;
    left: -33px;
    top: 30px;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--bg-main);
    border: 3px solid var(--accent-cyan);
    box-shadow: 0 0 16px rgba(0, 229, 255, 0.55);
}

.timeline-date {
    display: inline-block;
    font-size: 0.76rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    color: var(--accent-cyan);
    border: 1px solid rgba(0, 229, 255, 0.25);
    border-radius: 999px;
    padding: 5px 12px;
    text-transform: uppercase;
}

.timeline-item h3 {
    margin-top: 14px;
    margin-bottom: 8px;
    font-family: var(--font-display);
    font-size: 1.05rem;
}

.timeline-main-title {
    font-size: clamp(1.2rem, 2.1vw, 1.55rem) !important;
    letter-spacing: 0.02em;
    color: var(--text-main);
    text-shadow: 0 0 22px rgba(0, 229, 255, 0.3);
    margin-bottom: 12px !important;
}

.timeline-main-title i {
    color: var(--accent-cyan);
    margin-right: 10px;
}

.timeline-subheading {
    display: inline-flex;
    align-items: center;
    margin-bottom: 12px !important;
    padding: 5px 12px;
    border-radius: 999px;
    border: 1px solid rgba(0, 229, 255, 0.32);
    background: rgba(0, 229, 255, 0.08);
    color: var(--accent-cyan) !important;
    font-weight: 800;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    font-size: 0.78rem;
}

.timeline-subheading a {
    color: inherit;
    margin-left: 6px;
    text-underline-offset: 2px;
}

.timeline-subheading a:hover {
    color: var(--text-main);
}

.timeline-item p {
    margin: 0;
    color: var(--text-muted);
}

.timeline-about-label {
    color: var(--text-main);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    font-size: 0.76rem;
    padding: 4px 9px;
    margin-right: 5px;
    border-radius: 999px;
    border: 1px solid rgba(112, 0, 255, 0.45);
    background: rgba(112, 0, 255, 0.14);
}

.timeline-item-expanded .timeline-toggle-btn {
    margin-top: 18px;
}

.timeline-details {
    margin-top: 18px;
    padding-top: 18px;
    border-top: 1px solid rgba(0, 229, 255, 0.2);
}

.timeline-skill-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 12px;
}

.timeline-skill-list li {
    display: flex;
    gap: 12px;
    align-items: flex-start;
    color: var(--text-muted);
}

.timeline-skill-list i {
    color: var(--accent-cyan);
    margin-top: 3px;
    min-width: 18px;
    text-align: center;
}

.timeline-tags {
    margin-top: 18px;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.timeline-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 7px 12px;
    border-radius: 999px;
    border: 1px solid rgba(0, 229, 255, 0.24);
    background: rgba(255, 255, 255, 0.03);
    color: var(--text-main);
    font-size: 0.82rem;
    line-height: 1.3;
}

.timeline-tag i {
    color: var(--accent-cyan);
}

.credential-card {
    padding: 24px;
    height: 100%;
}

.credential-card h3 {
    font-family: var(--font-display);
    font-size: 0.98rem;
    margin-bottom: 10px;
}

.credential-badge {
    width: 100%;
    height: auto;
    border-radius: 12px;
    border: 1px solid rgba(0, 229, 255, 0.25);
    margin-bottom: 14px;
    background: rgba(255, 255, 255, 0.03);
}

.credential-card p {
    margin: 0;
    color: var(--text-muted);
}

.credential-card p + p {
    margin-top: 4px;
}

.credential-view-btn {
    margin-top: 14px;
}

.contact-card {
    padding: 28px;
}

.form-label {
    color: var(--text-muted);
    font-size: 0.9rem;
    font-weight: 700;
    margin-bottom: 7px;
}

.futuristic-input {
    border-radius: 12px;
    padding: 11px 14px;
    color: var(--text-main);
    border: 1px solid rgba(0, 229, 255, 0.22);
    background: rgba(255, 255, 255, 0.03);
}

.futuristic-input:focus {
    color: var(--text-main);
    border-color: var(--accent-cyan);
    box-shadow: 0 0 0 0.16rem rgba(0, 229, 255, 0.22), 0 0 14px rgba(0, 229, 255, 0.15);
    background: rgba(255, 255, 255, 0.05);
}

.field-error {
    color: var(--danger);
    display: inline-block;
    margin-top: 5px;
}

.submit-btn {
    border: none;
    position: relative;
    overflow: hidden;
}

.submit-btn::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(100deg, transparent, rgba(255, 255, 255, 0.28), transparent);
    transform: translateX(-120%);
    transition: transform 0.7s ease;
}

.submit-btn:hover::after {
    transform: translateX(120%);
}

.site-footer {
    border-top: 1px solid rgba(0, 229, 255, 0.16);
    background: rgba(7, 11, 20, 0.75);
}

.site-footer p {
    margin: 0;
    color: var(--text-muted);
}

.reveal {
    opacity: 0;
    transform: translateY(26px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.in-view {
    opacity: 1;
    transform: translateY(0);
}

::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: #070B14;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(var(--accent-cyan), var(--accent-purple));
    border-radius: 999px;
}

@media (max-width: 992px) {
    .section-shell {
        padding: 90px 0;
    }

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

    .timeline-wrap::before,
    .timeline-item::before {
        display: none;
    }
}

@media (max-width: 767px) {
    .hero-section {
        min-height: auto;
        padding-top: 110px;
    }

    .cta-row {
        width: 100%;
    }

    .btn-futuristic-primary,
    .btn-futuristic-outline {
        width: 100%;
        text-align: center;
    }

    .skill-card,
    .credential-card,
    .service-card,
    .about-main,
    .mini-feature,
    .timeline-item,
    .contact-card {
        padding: 20px;
    }

    .service-card {
        min-height: 0;
    }
}