/* ============================================================
   Abhay Tiwari — Portfolio theme overrides
   Single source of truth: theme driven by `body.light-mode`.
   Accent palette echoes the original spinning-circle colors
   (teal + amber) so it stays personal, not generic.
   ============================================================ */

:root {
    --bg:            #0f1417;
    --bg-alt:        #141b20;
    --bg-card:       #18222a;
    --bg-card-hover: #1e2932;
    --nav-bg:        rgba(15, 20, 23, 0.88);
    --nav-merge:     #141b20;
    --hero-bg:       radial-gradient(circle at 50% -10%, #1a242c 0%, #0f1417 62%);

    --text:       #e8eef0;
    --text-soft:  #c3ccd1;
    --text-muted: #8a979e;

    --accent:        #2dd4bf;  /* teal  */
    --accent-strong: #14b8a6;
    --accent-warm:   #f0b429;  /* amber */

    --border: rgba(255, 255, 255, 0.07);
    --shadow: 0 14px 34px rgba(0, 0, 0, 0.40);
    --radius: 12px;
}

body.light-mode {
    --bg:            #f5f4ef;
    --bg-alt:        #ffffff;
    --bg-card:       #ffffff;
    --bg-card-hover: #fbfaf5;
    --nav-bg:        rgba(247, 246, 242, 0.92);
    --nav-merge:     #f5f4ef;
    --hero-bg:       radial-gradient(circle at 50% -10%, #ffffff 0%, #efece4 70%);

    --text:       #1e2a30;
    --text-soft:  #44525a;
    --text-muted: #6b7780;

    --accent:        #0d9488;
    --accent-strong: #0f766e;
    --accent-warm:   #c2871a;

    --border: rgba(20, 35, 35, 0.10);
    --shadow: 0 14px 34px rgba(25, 45, 45, 0.08);
}

/* ---- Base ---- */
body {
    background-color: var(--bg);
    color: var(--text);
    transition: background-color 0.4s ease, color 0.4s ease;
}

body > header .container {
    max-width: min(1380px, calc(100vw - clamp(4rem, 10vw, 10rem))) !important;
}

body > section .container,
body > footer .container {
    max-width: min(1240px, calc(100vw - clamp(5rem, 14vw, 16rem))) !important;
}

/* Neutralise the old Bootstrap theme backgrounds so our vars win.
   These selectors carry no !important, but neither do the originals
   on the page once we drop the inline ones — so specificity wins. */
.bg-secondary,
.bg-primary,
.bg-secondary-light {
    background-color: var(--bg) !important;
    color: var(--text) !important;
}

section.page-section:nth-of-type(even) {
    background-color: var(--bg-alt) !important;
}

a { color: var(--accent); }
a:hover { color: var(--accent-strong); }

/* ---- Navbar ---- */
#mainNav {
    display: flex !important;
    flex-direction: column !important;
    align-items: stretch !important;
    background: linear-gradient(to bottom, var(--nav-bg) 0%, var(--nav-bg) 68%, var(--nav-merge) 100%) !important;
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    transition: background 0.4s ease, box-shadow 0.3s ease;
    padding-top: 0.5rem;
    padding-bottom: 34px !important;
    position: relative;
    z-index: 10;
    border: none;
    box-shadow: none;
    overflow: visible;
}

#mainNav > .container {
    padding-bottom: 0.5rem;
    position: relative;
    z-index: 4;
    max-width: none;
    width: 100%;
    padding-left: clamp(1rem, 4vw, 4.5rem);
    padding-right: clamp(1rem, 4vw, 4.5rem);
}

#mainNav::after {
    content: none;
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 34px;
    pointer-events: none;
    z-index: 3;
    background: linear-gradient(to bottom, transparent, var(--nav-merge));
}

#mainNav .brand-name span { color: var(--accent) !important; }

#mainNav .navbar-brand.brand-name {
    display: inline-flex;
    align-items: center;
    gap: 0.65rem;
    color: var(--text) !important;
    font-size: 1rem;
    line-height: 1;
    margin-right: 1rem;
}

#mainNav .navbar-collapse {
    justify-content: flex-end;
}

.nav-brand-text {
    color: var(--text) !important;
    font-weight: 800;
    letter-spacing: 0.4px;
    text-shadow: 0 1px 12px rgba(45, 212, 191, 0.2);
}

#mainNav .navbar-nav {
    align-items: center;
    margin-left: auto !important;
    justify-content: flex-end;
}

#mainNav .navbar-nav li.nav-item a.nav-link {
    color: var(--text-soft) !important;
    font-size: 0.78rem !important;
    font-weight: 600;
    letter-spacing: 0.3px;
    padding: 0.45rem 0.65rem !important;
    transition: color 0.25s ease;
    background-color: transparent !important;
}

#mainNav .navbar-nav li.nav-item a.nav-link:hover,
#mainNav .navbar-nav li.nav-item a.nav-link:focus,
#mainNav .navbar-nav li.nav-item.active a.nav-link {
    color: var(--accent) !important;
    background-color: transparent !important;
}

/* Override Bootstrap's purple active state */
.nav-link:focus,
.nav-link:hover {
    color: var(--accent) !important;
}

/* Kill the purple background on active nav links from styles.css */
#mainNav .navbar-nav > li.nav-item > a.nav-link.active,
#mainNav .navbar-nav > li.nav-item > a.nav-link.active:active,
#mainNav .navbar-nav > li.nav-item > a.nav-link.active:focus,
#mainNav .navbar-nav > li.nav-item > a.nav-link.active:hover {
    color: var(--accent) !important;
    background: transparent !important;
    background-color: transparent !important;
}

#mainNav .navbar-nav li.nav-item a.nav-link:hover {
    color: var(--accent) !important;
    background: transparent !important;
}

.navbar-shrink { box-shadow: none; }

.navbar-toggler {
    border-color: var(--accent) !important;
    background: transparent !important;
    color: var(--accent) !important;
}

@media (min-width: 992px) {
    #mainNav .navbar-nav li.nav-item { 
        margin: 0 !important;
    }
}

/* ---- Toggle switch ---- */
.toggle-switches {
    width: 60px !important;
    height: 34px !important;
    float: none !important;
}

.toggle-switches .switch {
    position: relative;
    display: inline-block;
    width: 58px !important;
    height: 30px !important;
    margin: 0 !important;
    padding: 0 !important;
}

.toggle-switches .switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-switches .switch .slider {
    position: absolute;
    cursor: pointer;
    inset: 0;
    border-radius: 999px;
    background: #0f172a !important;
    color: #fbbf24 !important;
    padding: 0 !important;
    display: flex;
    align-items: center;
    box-shadow: inset 0 0 0 1px rgba(148, 163, 184, 0.28);
    transition: background 0.3s ease, color 0.3s ease;
}

.toggle-switches .switch input:checked + .slider {
    background: #e0f2fe !important;
    color: #0ea5e9 !important;
}

.toggle-switches .switch .slider::after {
    content: '';
    position: absolute;
    display: block;
    border-radius: 50%;
    top: 4px !important;
    left: 4px !important;
    width: 22px !important;
    height: 22px !important;
    background: #f8fafc !important;
    box-shadow: 0 2px 6px rgba(15, 23, 42, 0.32) !important;
    transition: transform 0.3s ease, background 0.3s ease;
}

.toggle-switches .switch input:checked + .slider::after {
    transform: translateX(28px) !important;
    background: #0f172a !important;
}

.toggle-switches .switch .slider .theme-icon {
    color: currentColor !important;
    font-size: 0.78rem;
    margin: 0 !important;
    position: absolute;
    z-index: 1;
    top: 50%;
    transform: translateY(-50%);
    line-height: 1;
    transition: opacity 0.2s ease;
}

.toggle-switches .switch .slider .theme-icon-sun {
    right: 9px;
    opacity: 1;
}

.toggle-switches .switch .slider .theme-icon-moon {
    left: 9px;
    opacity: 0;
}

.toggle-switches .switch input:checked + .slider .theme-icon-sun {
    opacity: 0;
}

.toggle-switches .switch input:checked + .slider .theme-icon-moon {
    opacity: 1;
}

/* ---- Masthead / Hero ---- */
.masthead {
    background: var(--hero-bg) !important;
    position: relative;
    padding-top: clamp(1.25rem, 3vh, 2.25rem) !important;
    padding-bottom: 0.75rem !important;
    margin-top: 0;
    border: none;
    box-shadow: none;
}

.masthead::before {
    content: '';
    position: absolute;
    top: -1px;
    left: 0;
    right: 0;
    height: 34px;
    pointer-events: none;
    background: linear-gradient(to bottom, var(--nav-merge), transparent);
    z-index: 0;
}

.masthead > .container {
    position: relative;
    z-index: 1;
}

.masthead-heading {
    color: var(--text) !important;
    letter-spacing: 1px;
}

.masthead-subheading {
    color: var(--accent) !important;
    font-family: 'Lato', sans-serif;
    letter-spacing: 0.5px;
}

.photo-img {
    border: 2px solid var(--border) !important;
    box-shadow: var(--shadow);
}

.photo {
    width: 255px;
    height: 255px;
    display: grid;
    place-items: center;
    margin-inline: auto;
}

.photo .circle,
.photo .circle2 {
    position: absolute;
    inset: 0;
    border-radius: 50%;
    pointer-events: none;
    z-index: 0;
    opacity: 1;
}

.photo .circle {
    border: 4px solid;
    border-color: var(--accent) transparent var(--accent) var(--accent);
    animation: profileRingSpin 4.5s linear infinite;
    filter: drop-shadow(0 0 8px rgba(45, 212, 191, 0.34));
}

.photo .circle2 {
    inset: 10px;
    border: 4px solid;
    border-color: var(--accent-warm) var(--accent-warm) var(--accent-warm) transparent;
    animation: profileRingSpinReverse 5.5s linear infinite;
    filter: drop-shadow(0 0 8px rgba(240, 180, 41, 0.28));
}

.photo .photo-img {
    position: relative;
    z-index: 1;
    margin-left: 0;
}

@keyframes profileRingSpin {
    to { transform: rotate(360deg); }
}

@keyframes profileRingSpinReverse {
    to { transform: rotate(-360deg); }
}

/* ---- Section headings ---- */
.page-section-heading {
    color: var(--text) !important;
    letter-spacing: 1px;
    position: relative;
    margin-top: 0 !important;
    margin-bottom: 2.5rem !important;
}

.section-title-clean {
    font-size: 1.8rem !important;
    font-weight: 700;
    color: var(--text) !important;
    margin-top: 0 !important;
    margin-bottom: 2rem !important;
    padding-bottom: 0.8rem;
    border-bottom: 2px solid var(--accent);
    display: inline-block;
}

@media (min-width: 992px) {
    .section-title-clean {
        font-size: 2.2rem !important;
    }
}

.section-content {
    font-size: 0.95rem;
    line-height: 1.75;
    color: var(--text-soft) !important;
}

.section-content p {
    margin-bottom: 1.2rem;
    color: var(--text-soft) !important;
}

.section-content strong {
    color: var(--text) !important;
    font-weight: 600;
}

.landing-section-title {
    font-size: 1.6rem !important;
    font-weight: 700;
    color: var(--text) !important;
    margin-bottom: 1.5rem !important;
    padding-bottom: 0.6rem;
    border-bottom: 2px solid var(--accent);
}

.landing-content {
    font-size: 0.92rem;
    line-height: 1.7;
    color: var(--text-soft) !important;
}

.landing-content p {
    margin-bottom: 1rem;
}

.landing-content strong {
    color: var(--text) !important;
    font-weight: 600;
}

.credential-emphasis {
    color: var(--text) !important;
    font-weight: 800;
    text-decoration: none;
}

h2.text-white { color: var(--text) !important; }

.divider-custom .divider-custom-line {
    background: linear-gradient(90deg, transparent, var(--accent)) !important;
}
.divider-custom .divider-custom-line:last-child {
    background: linear-gradient(90deg, var(--accent), transparent) !important;
}
.divider-custom .divider-custom-icon {
    color: var(--accent-warm) !important;
}

.divider-custom {
    margin-top: 0 !important;
    margin-bottom: 2.5rem !important;
}

/* ---- About ---- */
.lead {
    font-size: 1rem;
    color: var(--text-soft) !important;
    line-height: 1.8;
    margin-bottom: 1.2rem !important;
}
.lead strong { color: var(--text) !important; font-weight: 700; }

@media (min-width: 992px) {
    .lead {
        font-size: 1.05rem;
    }
}

/* ---- Experience cards ---- */
.experience { display: block; }

.experience_card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-left: 3px solid var(--accent);
    border-radius: var(--radius);
    padding: 1.3rem 1.6rem;
    margin-bottom: 1.4rem;
    transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
}
.experience_card:hover {
    background: var(--bg-card-hover);
    transform: translateX(4px);
    box-shadow: var(--shadow);
    border-left-color: var(--accent-warm);
}

.exp-top { margin-bottom: 0.7rem; }

.exp-title {
    font-size: 1.08rem;
    font-weight: 700;
    color: var(--text) !important;
    margin-bottom: 0.35rem;
}

.exp-row {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    flex-wrap: wrap;
    gap: 0.4rem;
}

.exp-company { font-weight: 600; color: var(--accent) !important; font-size: 0.95rem; }
.exp-date {
    font-size: 0.76rem;
    color: var(--text-muted) !important;
    font-style: italic;
    background: var(--bg-alt);
    padding: 0.15rem 0.6rem;
    border-radius: 20px;
    border: 1px solid var(--border);
}
.exp-location {
    font-size: 0.78rem;
    color: var(--text-muted) !important;
    display: block;
    margin-top: 0.25rem;
}

.experience_card ul { margin: 0; padding-left: 1.1rem; list-style: none; }
.experience_card ul li {
    position: relative;
    font-size: 0.9rem;
    color: var(--text-soft) !important;
    margin-bottom: 0.45rem;
    line-height: 1.65;
    padding-left: 1rem;
}
.experience_card ul li::before {
    content: '▹';
    position: absolute;
    left: -0.2rem;
    color: var(--accent);
}

/* ---- Skills ---- */
#skills .row {
    margin-left: 0;
    margin-right: 0;
}

#skills .col-lg-10 {
    flex: 0 0 100%;
    max-width: 100%;
    padding-left: 0;
    padding-right: 0;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(2rem, 5vw, 5rem);
    row-gap: 0;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.skill-category {
    display: grid;
    grid-template-columns: minmax(150px, 0.34fr) minmax(0, 1fr);
    align-items: start;
    gap: 1.25rem;
    padding: 1.35rem 0;
    border-bottom: 1px solid var(--border);
    background: transparent;
    transition: background 0.2s ease;
}

.skill-category:nth-last-child(-n + 2) {
    border-bottom: 0;
}

.skill-category:hover {
    background: linear-gradient(90deg, rgba(45, 212, 191, 0.055), transparent 68%);
}

.skill-category h5 {
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    color: var(--accent) !important;
    margin: 0;
    line-height: 1.35;
}
.skill-category h5 i {
    color: var(--accent-warm);
    margin-right: 0.5rem;
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.55rem 0.75rem;
}

.skill-tag {
    display: inline-block;
    padding: 0;
    border: 0;
    border-radius: 0;
    font-size: 0.86rem;
    line-height: 1.45;
    color: var(--text-soft) !important;
    background: transparent;
    transition: color 0.2s ease;
}

.skill-tag::before {
    content: '';
    display: inline-block;
    width: 0.38rem;
    height: 0.38rem;
    margin-right: 0.45rem;
    border-radius: 50%;
    background: var(--accent);
    opacity: 0.72;
    vertical-align: 0.08rem;
}

.skill-tag:hover {
    color: var(--accent) !important;
}

/* ---- Projects ---- */
.box {
    background: var(--bg-card) !important;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.7rem 1.3rem;
    height: 100%;
    transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}
.box:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow);
    border-color: var(--accent);
}
.box .box-item i { transition: transform 0.3s ease; }
.box:hover .box-item i { transform: scale(1.12) rotate(-6deg); }

.box h3 {
    font-size: 1.15rem;
    color: var(--text) !important;
    margin: 0.9rem 0 0.6rem;
    font-weight: 700;
}
.box p {
    font-size: 0.9rem;
    color: var(--text-soft) !important;
    line-height: 1.65;
    min-height: 64px;
}
.box .btn-outline-light {
    border-color: var(--accent) !important;
    color: var(--accent) !important;
    border-radius: 8px;
    transition: all 0.2s ease;
}
.box .btn-outline-light:hover {
    background: var(--accent) !important;
    border-color: var(--accent) !important;
    color: var(--bg) !important;
}

/* ---- Achievements ---- */
.achievements-list { list-style: none; padding: 0; }
.achievements-list li {
    position: relative;
    padding: 1rem 0 1rem 2rem;
    font-size: 0.98rem;
    color: var(--text-soft) !important;
    border-bottom: 1px solid var(--border);
    line-height: 1.7;
}
.achievements-list li:last-child { border-bottom: none; }
.achievements-list li::before {
    content: '\f005';
    font-family: 'Font Awesome 5 Free';
    font-weight: 900;
    position: absolute;
    left: 0;
    top: 1.1rem;
    color: var(--accent-warm);
    font-size: 0.8rem;
}
.achievements-list li b { color: var(--text) !important; }

/* ---- Footer ---- */
.footer {
    background: var(--bg-alt) !important;
    border-top: 1px solid var(--border);
    padding: 3rem 0 2rem;
}
.footer h4 { color: var(--text) !important; font-size: 0.85rem; letter-spacing: 1.2px; }
.footer .lead { color: var(--text-muted) !important; font-size: 0.92rem; }
.footer .btn-outline-light {
    border-color: var(--accent) !important;
    color: var(--accent) !important;
    border-radius: 8px;
}
.footer .btn-outline-light:hover {
    background: var(--accent) !important;
    color: var(--bg) !important;
}

.copyright {
    background: var(--bg) !important;
    color: var(--text-muted) !important;
}
#copy-id { background: var(--bg) !important; color: var(--text-muted) !important; }

/* ---- Scroll to top ---- */
.scroll-to-top a {
    background: var(--accent) !important;
    color: var(--bg) !important;
    box-shadow: var(--shadow);
}
.scroll-to-top a:hover { background: var(--accent-strong) !important; }

/* ---- Responsive ---- */
@media (max-width: 768px) {
    .exp-row { flex-direction: column; align-items: flex-start; gap: 0.2rem; }
    .masthead-heading { font-size: 1.2rem !important; line-height: 1.4rem; }
    .box p { min-height: auto; }
}

/* ---- Light-mode: neutralise Bootstrap's forced white text ---- */
body.light-mode .text-white { color: var(--text) !important; }
body.light-mode .masthead-subheading.text-white,
body.light-mode .exp-company { color: var(--accent) !important; }

/* ============================================================
   Fixes: icon visibility, navbar width, heading sizes
   ============================================================ */

/* ---- Icon visibility (FontAwesome renders as SVG via all.js) ---- */
/* Base theme forces white on .fa-w-16; make icons follow currentColor */
.svg-inline--fa,
.svg-inline--fa.fa-w-16 {
    color: inherit !important;
    fill: currentColor;
}

/* Social / project link buttons: icon takes the button's accent color */
.btn-social {
    width: 2.4rem;
    height: 2.4rem;
    display: inline-flex !important;
    align-items: center;
    justify-content: center;
    line-height: 1;
}
.btn-social .svg-inline--fa,
.btn-social i { color: var(--accent) !important; }

.btn-social:hover .svg-inline--fa,
.btn-social:hover i { color: var(--bg) !important; }

/* Project card "feature" icons — pull off the old purple onto theme accent */
.box-item .svg-inline--fa,
.box-item i { color: var(--accent) !important; }

/* ---- Heading sizes: trim the oversized base values ---- */
.page-section .page-section-heading,
.page-section-heading {
    font-size: 1.7rem !important;
    line-height: 1.9rem !important;
    font-weight: 700;
    margin-top: 0 !important;
    margin-bottom: 2.5rem !important;
}
@media (min-width: 992px) {
    .page-section .page-section-heading,
    .page-section-heading {
        font-size: 2.1rem !important;
        line-height: 2.3rem !important;
    }
}

/* Add spacing between sections */
.page-section {
    padding-top: 4rem !important;
    padding-bottom: 4rem !important;
}

.masthead + .page-section {
    padding-top: 2rem !important;
}

@media (max-width: 991px) {
    body > header .container,
    body > section .container,
    body > footer .container {
        max-width: calc(100vw - 2.25rem) !important;
    }

    .page-section {
        padding-top: 3rem !important;
        padding-bottom: 3rem !important;
    }

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

    .skill-category:nth-last-child(-n + 2) {
        border-bottom: 1px solid var(--border);
    }

    .skill-category:last-child {
        border-bottom: 0;
    }
}

.masthead-heading { font-size: 1.3rem !important; line-height: 1.5rem; white-space: nowrap; }
@media (min-width: 992px) {
    .masthead-heading { font-size: 1.5rem !important; line-height: 1.7rem; }
}

.masthead-subheading { font-size: 1rem !important; }
@media (min-width: 992px) {
    .masthead-subheading { font-size: 1.15rem !important; }
}

/* ============================================================
   Split landing layout: hero left + experience right
   ============================================================ */
/* the hero wave (hi.png) — give it the same interactive feel */
.photo-img-2 {
    cursor: pointer;
    transition: transform 0.3s ease;
}
.photo-img-2:hover {
    transform: rotate(-15deg) scale(1.1);
}

.nav-logo {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    padding: 3px;
    background: rgba(255, 255, 255, 0.08);
    box-shadow: 0 0 0 1px var(--border), 0 5px 18px rgba(0, 0, 0, 0.22);
    transition: transform 0.3s ease;
}
.nav-logo:hover {
    transform: rotate(-15deg) scale(1.1);
}

.landing-row {
    min-height: auto;
    padding-top: clamp(1.5rem, 4vh, 3rem);
    padding-bottom: 0.5rem;
    column-gap: clamp(2rem, 5vw, 5.5rem);
    flex-wrap: nowrap;
}

.landing-left {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 2rem 1rem 2rem 0;
    flex: 0 0 calc(39% - clamp(1rem, 2.5vw, 2.75rem));
    max-width: calc(39% - clamp(1rem, 2.5vw, 2.75rem));
}

.landing-name {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    margin-top: 1rem;
    margin-bottom: 0.6rem;
}

.landing-left .photo-img-2 {
    width: 50px;
    height: 50px;
}

.landing-left .masthead-subheading {
    margin-top: 0.5rem;
}

.landing-right {
    flex: 0 0 calc(61% - clamp(1rem, 2.5vw, 2.75rem));
    max-width: calc(61% - clamp(1rem, 2.5vw, 2.75rem));
    max-height: calc(100vh - 120px);
    overflow-y: auto;
    padding: 1rem 0 1rem clamp(1.5rem, 3vw, 3.5rem);
    border-left: 1px solid var(--border);
    scrollbar-width: thin;
    scrollbar-color: var(--accent) transparent;
}

.landing-right::-webkit-scrollbar {
    width: 4px;
}
.landing-right::-webkit-scrollbar-thumb {
    background: var(--accent);
    border-radius: 4px;
}

/* On mobile, stack vertically */
@media (max-width: 991px) {
    .landing-row {
        min-height: auto;
        padding-top: 2rem;
        flex-wrap: wrap;
        column-gap: 0;
    }
    .landing-left {
        padding-bottom: 1.5rem;
        flex: 0 0 100%;
        max-width: 100%;
    }
    .landing-right {
        flex: 0 0 100%;
        max-width: 100%;
        max-height: none;
        overflow-y: visible;
        padding: 0 0.5rem;
        border-left: 0;
    }
}

/* ============================================================
   Comprehensive responsive rules
   ============================================================ */

/* Extra small devices (phones, <576px) */
@media (max-width: 575px) {
    .masthead {
        padding-top: 3.5rem !important;
        padding-bottom: 1.5rem !important;
    }
    .landing-left {
        padding: 1rem 0.5rem;
    }
    .photo {
        width: 220px;
        height: 220px;
    }
    .photo .photo-img {
        width: 205px;
        height: 205px;
    }
    .landing-left .photo-img-2 {
        width: 36px;
        height: 36px;
    }
    .landing-name {
        gap: 0.5rem;
    }
    .masthead-heading {
        font-size: 1.1rem !important;
        line-height: 1.3rem;
    }
    .masthead-subheading {
        font-size: 0.85rem !important;
    }
    .landing-section-title {
        font-size: 1.3rem !important;
    }
    .landing-content {
        font-size: 0.85rem;
    }
    .experience_card {
        padding: 1rem 1.1rem;
    }
    .experience_card ul li {
        font-size: 0.82rem;
    }
    .exp-title {
        font-size: 0.95rem;
    }
    .skill-category {
        grid-template-columns: 1fr;
        gap: 0.75rem;
        padding: 1rem 0;
    }
    .box {
        padding: 1.3rem 1rem;
        margin-bottom: 1rem;
    }
    .box h3 {
        font-size: 1rem;
    }
    .box p {
        font-size: 0.82rem;
    }
    .footer {
        padding: 2rem 0 1.5rem;
    }
    .footer h4 {
        font-size: 0.75rem;
    }
    .achievements-list li {
        font-size: 0.88rem;
        padding-left: 1.6rem;
    }
    .section-title-clean {
        font-size: 1.5rem !important;
    }
    .page-section .page-section-heading,
    .page-section-heading {
        font-size: 1.5rem !important;
        line-height: 1.7rem !important;
    }
}

/* Small devices (landscape phones, 576px–767px) */
@media (min-width: 576px) and (max-width: 767px) {
    .masthead-heading {
        font-size: 1.5rem !important;
    }
    .landing-content {
        font-size: 0.88rem;
    }
    .box {
        margin-bottom: 1rem;
    }
}

/* Medium devices (tablets, 768px–991px) */
@media (min-width: 768px) and (max-width: 991px) {
    .landing-row {
        padding-top: 1.5rem;
    }
    .masthead-heading {
        font-size: 1.6rem !important;
    }
    .landing-content {
        font-size: 0.9rem;
    }
}

/* Large devices (desktops, 992px+) — landing split layout */
@media (min-width: 992px) {
    .landing-row {
        display: flex;
        align-items: flex-start;
    }
    .landing-left {
        position: sticky;
        top: 80px;
    }
}

/* Extra large (1400px+) — cap content width for readability */
@media (min-width: 1400px) {
    .landing-content {
        max-width: 600px;
    }
    .experience_card ul li {
        max-width: 700px;
    }
}

/* ============================================================
   Interactive Space Freighter Tunnel
   ============================================================ */

/* Celestial Background Canvas (extends to navbar) */
.celestial-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 130px;
    pointer-events: none;
    z-index: 0;
    opacity: 1;
}

.plane-tunnel {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    height: 58px;
    background:
        linear-gradient(to bottom, transparent 0%, rgba(15, 20, 23, 0.04) 56%, rgba(20, 27, 32, 0.18) 100%);
    overflow: visible;
    display: flex;
    align-items: center;
    user-select: none;
    -webkit-user-select: none;
    border: none;
    box-shadow: none;
    margin: 0;
    padding: 0;
    z-index: 5;
    pointer-events: none;
}

.plane-tunnel::before {
    content: '';
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 5;
    opacity: 0;
    background:
        radial-gradient(circle at var(--jump-x, 50%) 50%, rgba(255, 255, 255, 0.95) 0%, rgba(125, 211, 252, 0.7) 12%, transparent 34%),
        linear-gradient(90deg, transparent 0%, rgba(255, 255, 255, 0.88) 48%, transparent 100%);
}

.plane-tunnel.light-speed-jump::before {
    animation: lightSpeedFlash 0.52s ease-out;
}

.plane-tunnel::after {
    content: none;
}

body.light-mode .plane-tunnel {
    background:
        linear-gradient(to bottom, transparent 0%, rgba(247, 246, 242, 0.06) 56%, rgba(245, 244, 239, 0.2) 100%);
}

/* Particles Canvas */
.tunnel-canvas {
    position: absolute;
    top: -12px;
    left: 0;
    width: 100%;
    height: calc(100% + 24px);
    pointer-events: none;
    z-index: 2;
    opacity: 0.76;
    -webkit-mask-image: linear-gradient(to bottom, transparent 0%, #000 24%, #000 76%, transparent 100%);
    mask-image: linear-gradient(to bottom, transparent 0%, #000 24%, #000 76%, transparent 100%);
}

.plane-sound-hint {
    position: absolute;
    right: clamp(1rem, 5vw, 5rem);
    top: 50%;
    transform: translateY(-50%);
    z-index: 8;
    border: 1px solid rgba(56, 189, 248, 0.45);
    border-radius: 999px;
    padding: 0.32rem 0.74rem;
    color: #e0f2fe;
    background: rgba(8, 12, 16, 0.72);
    box-shadow: 0 0 14px rgba(56, 189, 248, 0.22);
    cursor: pointer;
    font-size: 0.72rem;
    font-weight: 700;
    line-height: 1;
    letter-spacing: 0;
    opacity: 0.92;
    pointer-events: auto;
    transition: opacity 0.25s ease, transform 0.25s ease, border-color 0.25s ease;
    white-space: nowrap;
}

.plane-sound-hint:hover,
.plane-sound-hint:focus {
    border-color: rgba(34, 211, 238, 0.85);
    outline: none;
    transform: translateY(-50%) scale(1.04);
}

.plane-sound-hint.is-hidden {
    opacity: 0;
    pointer-events: none;
    transform: translateY(-50%) scale(0.96);
}

body.light-mode .plane-sound-hint {
    color: #075985;
    background: rgba(255, 255, 255, 0.82);
}

@media (max-width: 768px) {
    .plane-sound-hint {
        right: 1rem;
        font-size: 0.66rem;
        padding: 0.3rem 0.58rem;
    }
}

/* Interactive Space Freighter Container */
.paper-plane-container {
    position: absolute;
    width: 41px;
    height: 41px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 3;
    transform-origin: center center;
    pointer-events: none;
    filter: drop-shadow(0 0 10px rgba(56, 189, 248, 0.35));
}

.paper-plane-svg {
    width: 38px;
    height: 38px;
    filter: drop-shadow(0 3px 5px rgba(0, 0, 0, 0.22));
    transition: filter 0.3s ease, transform 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

#mainNav:hover .paper-plane-svg {
    filter: drop-shadow(0 4px 10px rgba(56, 189, 248, 0.4)) drop-shadow(0 0 6px var(--accent));
}

#mainNav:hover .paper-plane-svg path[stroke="#38bdf8"] {
    stroke: #22d3ee !important;
    filter: drop-shadow(0 0 6px #22d3ee) drop-shadow(0 0 12px #06b6d4) !important;
}

@keyframes lightSpeedFlash {
    0% { opacity: 0; transform: scaleX(0.12); }
    18% { opacity: 1; transform: scaleX(1); }
    100% { opacity: 0; transform: scaleX(1.8); }
}

/* ============================================================
   Developer Terminal CLI Overlay Styles
   ============================================================ */
.dev-terminal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(8, 12, 16, 0.2);
    backdrop-filter: blur(4px) saturate(1.08);
    -webkit-backdrop-filter: blur(4px) saturate(1.08);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.4s ease, visibility 0.4s ease;
}

.dev-terminal-overlay.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

/* Matrix Digital Rain Background */
.terminal-matrix-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    opacity: 0.15; /* subtle, hacker backdrop */
    pointer-events: none;
    transition: opacity 0.5s ease;
}

.dev-terminal-overlay.matrix-active .terminal-matrix-canvas {
    opacity: 0.45; /* high intensity when matrix command is run */
}

/* Terminal Console Box */
.terminal-container {
    position: relative;
    width: 90%;
    max-width: 820px;
    height: min(76vh, 560px);
    background:
        linear-gradient(145deg, rgba(15, 23, 42, 0.94), rgba(8, 13, 23, 0.9)),
        radial-gradient(circle at 18% 0%, rgba(56, 189, 248, 0.12), transparent 32%);
    border: 1px solid rgba(148, 163, 184, 0.24);
    border-radius: 12px;
    box-shadow: 0 24px 58px rgba(0, 0, 0, 0.58), 0 0 0 1px rgba(56, 189, 248, 0.06) inset;
    z-index: 2;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    animation: terminalScaleIn 0.3s cubic-bezier(0.165, 0.84, 0.44, 1);
}

@keyframes terminalScaleIn {
    0% { transform: scale(0.96) translateY(10px); opacity: 0; }
    100% { transform: scale(1.0) translateY(0); opacity: 1; }
}

/* Header style (Mac inspired terminal headers) */
.terminal-header {
    background: rgba(15, 23, 42, 0.76);
    border-bottom: 1px solid rgba(148, 163, 184, 0.14);
    height: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    user-select: none;
    -webkit-user-select: none;
}

.header-buttons {
    position: absolute;
    left: 14px;
    display: flex;
    gap: 8px;
}

.btn-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    display: inline-block;
    cursor: pointer;
    transition: filter 0.2s ease;
}

.btn-dot:hover {
    filter: brightness(1.2);
}

.close-btn { background: #ef4444; }
.minimize-btn { background: #eab308; }
.expand-btn { background: #22c55e; }

.header-title {
    color: #cbd5e1;
    font-family: 'Courier New', Consolas, monospace;
    font-size: 0.78rem;
    letter-spacing: 0;
}

/* Console Body styles */
.terminal-body {
    flex: 1;
    padding: 1.15rem;
    overflow-y: auto;
    font-family: 'Courier New', Consolas, Monaco, monospace;
    font-size: 0.88rem;
    line-height: 1.6;
    color: #e2e8f0; /* console white text */
    scrollbar-width: thin;
    scrollbar-color: rgba(16, 185, 129, 0.3) transparent;
}

.terminal-status-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.65rem;
    margin-bottom: 0.95rem;
}

.terminal-status-grid > div {
    border: 1px solid rgba(148, 163, 184, 0.16);
    border-radius: 8px;
    padding: 0.68rem 0.75rem;
    background: rgba(15, 23, 42, 0.55);
}

.terminal-status-label {
    display: block;
    color: #64748b;
    font-size: 0.66rem;
    line-height: 1.2;
    margin-bottom: 0.22rem;
    text-transform: uppercase;
}

.terminal-status-grid strong {
    color: #e2e8f0;
    font-size: 0.82rem;
}

.terminal-online {
    color: #22c55e !important;
}

.terminal-body::-webkit-scrollbar {
    width: 6px;
}

.terminal-body::-webkit-scrollbar-thumb {
    background: rgba(16, 185, 129, 0.3);
    border-radius: 4px;
}

.terminal-ascii-art {
    color: #10b981; /* neon green */
    font-size: 0.72rem;
    line-height: 1.25;
    margin-bottom: 1.2rem;
    white-space: pre;
    font-weight: bold;
    filter: drop-shadow(0 0 2px rgba(16, 185, 129, 0.3));
}

.terminal-welcome {
    border-left: 2px solid #38bdf8;
    padding-left: 0.75rem;
    margin-bottom: 0.95rem;
    color: #94a3b8;
}

.terminal-welcome p {
    margin-bottom: 0.28rem;
}

.terminal-command-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem;
    margin-bottom: 1rem;
}

.terminal-chip {
    border: 1px solid rgba(56, 189, 248, 0.24);
    border-radius: 999px;
    padding: 0.28rem 0.68rem;
    color: #bae6fd;
    background: rgba(8, 47, 73, 0.28);
    cursor: pointer;
    font-family: 'Courier New', Consolas, Monaco, monospace;
    font-size: 0.76rem;
    line-height: 1.2;
    transition: background 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.terminal-chip:hover,
.terminal-chip:focus {
    background: rgba(14, 165, 233, 0.18);
    border-color: rgba(56, 189, 248, 0.62);
    outline: none;
    transform: translateY(-1px);
}

.cmd-highlight {
    color: #f59e0b; /* amber gold */
    font-weight: bold;
}

.terminal-output-log p {
    margin-bottom: 0.6rem;
    word-break: break-all;
    white-space: pre-wrap;
}

.terminal-output-log .terminal-cmd-echo {
    color: #64748b;
    font-weight: bold;
}

.terminal-output-log .terminal-error {
    color: #ef4444; /* system red */
    font-weight: bold;
}

.terminal-output-log .terminal-success {
    color: #10b981; /* hacker green */
}

.terminal-output-log .terminal-heading {
    color: #f59e0b;
    font-weight: bold;
    font-size: 0.95rem;
    border-bottom: 1px dashed rgba(245, 158, 11, 0.3);
    padding-bottom: 2px;
    margin-top: 1rem;
    margin-bottom: 0.5rem;
    display: inline-block;
}

/* Prompt Line and blinking cursor */
.terminal-prompt-line {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    border-top: 1px solid rgba(148, 163, 184, 0.12);
    margin-top: 0.8rem;
    padding-top: 0.75rem;
}

.prompt-user {
    color: #38bdf8; /* cyber blue */
    font-weight: bold;
    margin-right: 8px;
}

.prompt-text-input {
    color: #10b981;
    font-weight: bold;
}

.prompt-cursor {
    display: inline-block;
    width: 8px;
    height: 15px;
    background-color: #10b981;
    margin-left: 4px;
    animation: terminalCursorBlink 1.0s infinite;
}

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

@media (max-width: 768px) {
    .terminal-container {
        width: calc(100vw - 1.25rem);
        height: min(82vh, 620px);
    }

    .terminal-status-grid {
        grid-template-columns: 1fr;
    }

    .terminal-body {
        padding: 0.9rem;
        font-size: 0.82rem;
    }
}

.terminal-hidden-input {
    position: absolute;
    top: -100px;
    left: -100px;
    width: 1px;
    height: 1px;
    opacity: 0;
    pointer-events: none;
}

/* Floating retro launching button */
.terminal-toggle-btn {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 48px;
    height: 48px;
    background: rgba(15, 23, 42, 0.9);
    border: 1px solid var(--border);
    border-radius: 50%;
    color: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: var(--shadow);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    z-index: 1025;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.terminal-toggle-btn:hover {
    transform: scale(1.1) rotate(15deg);
    border-color: var(--accent-warm);
    color: var(--accent-warm);
    box-shadow: 0 0 15px rgba(245, 158, 11, 0.2);
}

@media (max-width: 991px) {
    .terminal-toggle-btn {
        bottom: 16px;
        right: 16px;
    }
}

/* Active navigation Terminal Link indicator */
#terminalNavBtn {
    color: var(--accent-warm) !important;
    font-weight: bold !important;
    cursor: pointer;
    position: relative;
    transition: all 0.2s ease;
}

#terminalNavBtn:hover {
    color: var(--accent) !important;
    transform: translateY(-1px);
}

/* Playful System Override Glitch Overlay */
.terminal-override-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: #000;
    color: #ef4444;
    font-family: 'Courier New', monospace;
    z-index: 10000;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    text-align: center;
}

.override-glitch-text {
    font-size: 2.2rem;
    font-weight: bold;
    color: #ef4444;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 1.5rem;
    animation: terminalGlitchEffect 0.3s infinite alternate;
}

@keyframes terminalGlitchEffect {
    0% { transform: skew(1deg); filter: hue-rotate(0deg); }
    100% { transform: skew(-1deg); filter: hue-rotate(90deg); }
}

.override-recovered-msg {
    color: #10b981;
    font-size: 1.2rem;
    margin-top: 2rem;
    font-weight: bold;
}