/* ==========================================================================
   Base & Typography
   ========================================================================== */

html {
    scroll-behavior: smooth;
}

body {
    min-width: 320px;
    min-height: 100vh;
    background: var(--color-bg-dark);
    color: var(--color-text-on-dark);
    font-family: var(--font-sans);
    font-size: 1rem;
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:focus-visible,
button:focus-visible,
[tabindex]:focus-visible {
    outline: 3px solid var(--color-accent);
    outline-offset: 4px;
}

.container {
    width: 100%;
    max-width: var(--container-width);
    margin-inline: auto;
    padding-inline: 1.5rem;
}

@media (min-width: 48rem) {
    .container {
        padding-inline: 3rem;
    }
}

@media (min-width: 64rem) {
    .container {
        padding-inline: 4.5rem;
    }
}

@media (min-width: 80rem) {
    .container {
        padding-inline: 5.5rem;
    }
}

.skip-link {
    position: fixed;
    z-index: 1000;
    top: 1rem;
    left: 1rem;
    padding: 0.75rem 1.25rem;
    background: var(--color-surface-light);
    color: var(--color-text-on-light);
    font-weight: 600;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    transform: translateY(-200%);
    transition: transform var(--transition-fast);
}

.skip-link:focus {
    transform: translateY(0);
}

/* ==========================================================================
   Buttons & Badges
   ========================================================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    min-height: 44px;
    padding: 0.625rem 1.25rem;
    font-size: 0.9375rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    border: 1px solid transparent;
    cursor: pointer;
    text-decoration: none;
    transition: background var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
}

.btn:active {
    transform: scale(0.98);
}

.btn--primary {
    background: var(--color-accent);
    color: #ffffff;
    border-color: var(--color-accent);
}

.btn--primary:hover {
    background: var(--color-accent-hover);
    border-color: var(--color-accent-hover);
    color: #ffffff;
}

.btn--secondary {
    background: transparent;
    color: var(--color-text-on-dark);
    border-color: var(--color-border-dark);
}

.btn--secondary:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(255, 255, 255, 0.25);
}

.btn--outline-light {
    background: transparent;
    color: var(--color-text-on-light);
    border-color: var(--color-border-light);
}

.btn--outline-light:hover {
    background: var(--color-surface-soft);
    border-color: var(--color-accent);
    color: var(--color-accent);
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.25rem 0.75rem;
    font-size: 0.8125rem;
    font-weight: 600;
    border-radius: var(--radius-full);
}

.badge--accent {
    background: var(--color-accent-soft);
    color: var(--color-accent);
}

.badge--dark {
    background: rgba(255, 255, 255, 0.08);
    color: var(--color-text-muted-dark);
    border: 1px solid var(--color-border-dark);
}

.badge--success {
    background: rgba(31, 157, 103, 0.15);
    color: var(--color-success);
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--color-success);
    display: inline-block;
    box-shadow: 0 0 0 2px rgba(31, 157, 103, 0.25);
}

/* ==========================================================================
   Header & Navigation (Hybrid Dark)
   ========================================================================== */

.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    height: 72px;
    display: flex;
    align-items: center;
    background: transparent;
    border-bottom: 1px solid transparent;
    transition: background var(--transition-normal), border-color var(--transition-normal), backdrop-filter var(--transition-normal);
}

.site-header--scrolled {
    background: rgba(7, 17, 31, 0.88);
    border-bottom-color: var(--color-border-dark);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
}

.brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 700;
    font-size: 1.125rem;
    color: var(--color-text-on-dark);
    letter-spacing: -0.01em;
}

.brand__logo {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, var(--color-accent) 0%, #1e40af 100%);
    color: #ffffff;
    font-weight: 800;
    font-size: 1rem;
    box-shadow: 0 2px 8px rgba(79, 124, 255, 0.35);
}

.brand__name {
    display: inline-block;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 2rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-link {
    position: relative;
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-text-muted-dark);
    padding: 0.5rem 0;
    transition: color var(--transition-fast);
}

.nav-link:hover,
.nav-link--active {
    color: var(--color-text-on-dark);
}

.nav-link--active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--color-accent);
    border-radius: var(--radius-full);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.nav-toggle {
    display: none;
    background: transparent;
    border: 1px solid var(--color-border-dark);
    color: var(--color-text-on-dark);
    padding: 0.5rem;
    border-radius: var(--radius-md);
    cursor: pointer;
}

.nav-toggle svg {
    display: block;
    width: 24px;
    height: 24px;
}

/* ==========================================================================
   Hero Section (Dark)
   ========================================================================== */

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 100px;
    padding-bottom: 64px;
    background:
        radial-gradient(circle at 75% 35%, rgba(79, 124, 255, 0.14) 0%, transparent 55%),
        radial-gradient(circle at 20% 80%, rgba(16, 33, 57, 0.6) 0%, transparent 50%),
        var(--color-bg-dark);
    overflow: hidden;
}

.hero__grid {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    align-items: center;
    gap: 3.5rem;
}

.hero__content {
    max-width: 38rem;
}

.hero__eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
    color: var(--color-accent);
    font-size: 0.875rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.hero__title {
    margin: 0 0 1rem 0;
    font-size: clamp(2.5rem, 5.5vw, 4.5rem);
    font-weight: 800;
    line-height: 1.05;
    letter-spacing: -0.03em;
    color: var(--color-text-on-dark);
}

.hero__title-highlight {
    background: linear-gradient(135deg, #ffffff 30%, var(--color-text-muted-dark) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero__roles {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.hero__role-primary {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-accent-soft);
}

.hero__role-secondary {
    font-size: 1.125rem;
    color: var(--color-text-muted-dark);
}

.hero__intro {
    font-size: 1.125rem;
    line-height: 1.65;
    color: var(--color-text-muted-dark);
    margin-bottom: 2rem;
    max-width: 34rem;
}

.hero__actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2.5rem;
}

.hero__socials {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.hero__social-label {
    font-size: 0.8125rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-text-muted-dark);
}

.social-links {
    display: flex;
    align-items: center;
    gap: 0.625rem;
}

.social-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: var(--radius-md);
    background: var(--color-surface-dark);
    border: 1px solid var(--color-border-dark);
    color: var(--color-text-muted-dark);
    transition: color var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
}

.social-link:hover {
    color: var(--color-text-on-dark);
    border-color: var(--color-accent);
    transform: translateY(-2px);
}

.social-link svg {
    width: 18px;
    height: 18px;
}

/* Hero Visual / Cutout Silhouette */
.hero__visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: flex-end;
}

.cutout-frame {
    position: relative;
    width: 100%;
    max-width: 420px;
    aspect-ratio: 4 / 5;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    border-radius: var(--radius-xl);
    background: linear-gradient(180deg, rgba(16, 33, 57, 0.8) 0%, rgba(7, 17, 31, 0.95) 100%);
    border: 1px solid var(--color-border-dark);
    box-shadow: 0 20px 48px rgba(0, 0, 0, 0.35);
    overflow: hidden;
}

.cutout-frame__glow {
    position: absolute;
    top: 20%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 280px;
    height: 280px;
    background: radial-gradient(circle, rgba(79, 124, 255, 0.28) 0%, transparent 70%);
    pointer-events: none;
}

.cutout-frame__silhouette {
    width: 85%;
    height: 92%;
    object-fit: contain;
    z-index: 1;
}

.cutout-frame__img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
    z-index: 1;
    display: block;
}


.cutout-frame__badge {
    position: absolute;
    bottom: 1.25rem;
    z-index: 2;
    padding: 0.5rem 1rem;
    background: rgba(7, 17, 31, 0.85);
    backdrop-filter: blur(8px);
    border: 1px solid var(--color-border-dark);
    border-radius: var(--radius-full);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.8125rem;
    color: var(--color-text-on-dark);
    box-shadow: var(--shadow-md);
}

/* ==========================================================================
   Tech Stack Strip (Dark-to-Light Bridge)
   ========================================================================== */

.tech-strip {
    background: linear-gradient(180deg, #070d18 0%, #0b1526 40%, #10213d 100%);
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    border-bottom: 1px solid rgba(37, 99, 235, 0.18);
    padding: 2rem 0;
    position: relative;
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.2);
}

.tech-strip::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    right: 0;
    height: 8px;
    background: linear-gradient(to bottom, rgba(16, 33, 61, 0.25), transparent);
    pointer-events: none;
}

.tech-strip__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
    flex-wrap: wrap;
}

.tech-strip__label {
    font-size: 0.8125rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-muted-dark);
    white-space: nowrap;
}

.tech-strip__tags {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.tech-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.375rem 0.875rem;
    background: rgba(15, 28, 50, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text-on-dark);
    backdrop-filter: blur(4px);
    transition: border-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
}

.tech-pill:hover {
    border-color: var(--color-accent);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.25);
}

.tech-pill__dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--color-accent);
}

/* ==========================================================================
   Generic Section Containers & Smooth Boundaries
   ========================================================================== */

.section {
    padding: 6rem 0;
    position: relative;
}

.section--light {
    background: var(--color-bg-light);
    color: var(--color-text-on-light);
}

.section--soft {
    background: linear-gradient(180deg, #f8fafc 0%, #f1f5f9 100%);
    color: var(--color-text-on-light);
}

.section--dark {
    background: linear-gradient(180deg, #091220 0%, #060c16 60%, #040810 100%);
    color: var(--color-text-on-dark);
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    position: relative;
}

.section--dark::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: min(600px, 80%);
    height: 1px;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.45) 0%, transparent 80%);
    pointer-events: none;
}

.section-divider {
    width: min(100% - 4rem, var(--container-width));
    height: 1px;
    margin-inline: auto;
    background: radial-gradient(ellipse at center, rgba(37, 99, 235, 0.2) 0%, rgba(226, 232, 240, 0.8) 50%, transparent 100%);
    border: none;
}

.section-header {
    margin-bottom: 3.5rem;
}

.section-header--center {
    text-align: center;
    max-width: 44rem;
    margin-inline: auto;
}

.section-eyebrow {
    font-size: 0.8125rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: 0.5rem;
}

.section-title {
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.02em;
    margin: 0 0 1rem 0;
}

.section--light .section-title,
.section--soft .section-title {
    color: var(--color-text-on-light);
}

.section-desc {
    font-size: 1.0625rem;
    line-height: 1.6;
    color: var(--color-text-muted-light);
    max-width: 36rem;
}

.section--dark .section-desc {
    color: var(--color-text-muted-dark);
}

/* ==========================================================================
   Featured Projects (Light, 3x2 Grid)
   ========================================================================== */

.project-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.75rem;
}

.project-card {
    background: var(--color-surface-light);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-lg);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
}

.project-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(79, 124, 255, 0.4);
}

.project-card__thumb {
    position: relative;
    aspect-ratio: 16 / 9;
    background: #0e1c2f;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.project-card__img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-normal);
}

.project-card:hover .project-card__img {
    transform: scale(1.03);
}

.project-card__placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    background: linear-gradient(135deg, #102139 0%, #07111f 100%);
    color: var(--color-text-muted-dark);
}

.project-card__placeholder svg {
    width: 36px;
    height: 36px;
    opacity: 0.6;
}

.project-card__body {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.project-card__meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.75rem;
}

.project-card__category {
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--color-accent);
}

.project-card__title {
    font-size: 1.25rem;
    font-weight: 700;
    line-height: 1.3;
    margin: 0 0 0.5rem 0;
    color: var(--color-text-on-light);
}

.project-card__desc {
    font-size: 0.9375rem;
    line-height: 1.55;
    color: var(--color-text-muted-light);
    margin-bottom: 1.25rem;
    flex-grow: 1;
}

.project-card__footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 1rem;
    border-top: 1px solid var(--color-border-light);
}

.project-card__tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.375rem;
}

.project-tag {
    padding: 0.2rem 0.5rem;
    background: var(--color-surface-soft);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--color-text-muted-light);
}

.project-card__arrow {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--color-accent-soft);
    color: var(--color-accent);
    transition: transform var(--transition-fast), background var(--transition-fast), color var(--transition-fast);
}

.project-card:hover .project-card__arrow {
    transform: translateX(4px);
    background: var(--color-accent);
    color: #ffffff;
}

/* ==========================================================================
   About Section (3-Column Conceptual Layout)
   ========================================================================== */

.about-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr 0.8fr;
    gap: 2.5rem;
    align-items: start;
}

.about-narrative {
    font-size: 1.0625rem;
    line-height: 1.7;
    color: var(--color-text-on-light);
}

.about-narrative p {
    margin-bottom: 1.25rem;
}

.about-values {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.value-card {
    background: var(--color-surface-light);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-md);
    padding: 1.25rem;
    box-shadow: var(--shadow-sm);
}

.value-card__header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.5rem;
}

.value-card__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: var(--radius-md);
    background: var(--color-accent-soft);
    color: var(--color-accent);
}

.value-card__title {
    font-size: 1.0625rem;
    font-weight: 700;
    margin: 0;
    color: var(--color-text-on-light);
}

.value-card__desc {
    font-size: 0.875rem;
    line-height: 1.5;
    color: var(--color-text-muted-light);
    margin: 0;
}

.about-sidebar {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.quote-box {
    background: var(--color-surface-light);
    border-left: 4px solid var(--color-accent);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
}

.quote-box p {
    font-style: italic;
    font-size: 0.9375rem;
    color: var(--color-text-on-light);
    margin: 0 0 0.5rem 0;
}

.quote-box cite {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--color-text-muted-light);
    font-style: normal;
}

/* ==========================================================================
   Journey Section (Timeline: Experience & Education)
   ========================================================================== */

.timeline {
    position: relative;
    max-width: 52rem;
    margin-inline: auto;
    padding-left: 2rem;
}

.timeline::before {
    content: '';
    position: absolute;
    top: 0.5rem;
    bottom: 0.5rem;
    left: 7px;
    width: 2px;
    background: var(--color-border-light);
}

.timeline-item {
    position: relative;
    margin-bottom: 2.5rem;
}

.timeline-item:last-child {
    margin-bottom: 0;
}

.timeline-marker {
    position: absolute;
    left: -2rem;
    top: 0.25rem;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--color-surface-light);
    border: 3px solid var(--color-accent);
    box-shadow: 0 0 0 4px var(--color-surface-soft);
}

.timeline-item--current .timeline-marker {
    background: var(--color-accent);
}

.timeline-card {
    background: var(--color-surface-light);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
}

.timeline-card__header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 0.5rem;
    flex-wrap: wrap;
}

.timeline-card__title {
    font-size: 1.125rem;
    font-weight: 700;
    margin: 0;
    color: var(--color-text-on-light);
}

.timeline-card__subtitle {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--color-accent);
    margin: 0.25rem 0 0.5rem 0;
}

.timeline-card__date {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--color-text-muted-light);
}

.timeline-card__desc {
    font-size: 0.9375rem;
    line-height: 1.6;
    color: var(--color-text-muted-light);
    margin: 0;
}

/* ==========================================================================
   Certifications & Credentials Grid
   ========================================================================== */

.certifications-section {
    margin-top: 5rem;
    padding-top: 3.5rem;
    border-top: 1px solid var(--color-border-light);
}

.certifications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.5rem;
}

.cert-card {
    background: var(--color-surface-light);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-lg);
    padding: 1.5rem 1.75rem;
    display: flex;
    align-items: flex-start;
    gap: 1.25rem;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
}

.cert-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: rgba(37, 99, 235, 0.35);
}

.cert-card__badge-icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.1), rgba(124, 58, 237, 0.12));
    border: 1px solid rgba(37, 99, 235, 0.2);
    color: var(--color-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.cert-card__badge-icon svg {
    width: 22px;
    height: 22px;
}

.cert-card__content {
    flex: 1;
    min-width: 0;
}

.cert-card__title {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--color-text-on-light);
    margin: 0 0 0.35rem 0;
    line-height: 1.35;
}

.cert-card__issuer {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-accent);
    margin-bottom: 0.25rem;
}

.cert-card__date {
    font-size: 0.8125rem;
    color: var(--color-text-muted-light);
}

.cert-card__link {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--color-accent);
    margin-top: 0.6rem;
    transition: color var(--transition-fast);
}

.cert-card__link:hover {
    color: var(--color-accent-hover);
    text-decoration: underline;
}

@media (max-width: 640px) {
    .certifications-grid {
        grid-template-columns: 1fr;
    }

    .cert-card {
        padding: 1.25rem;
    }
}

/* ==========================================================================
   Contact CTA Section (Dark)
   ========================================================================== */

.contact-cta {
    position: relative;
    padding: 6rem 0;
    background:
        radial-gradient(circle at 80% 50%, rgba(79, 124, 255, 0.12) 0%, transparent 60%),
        var(--color-bg-dark-2);
    overflow: hidden;
}

.contact-box {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 3rem;
    padding: 3.5rem;
    background: var(--color-surface-dark);
    border: 1px solid var(--color-border-dark);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

.contact-box__content {
    max-width: 34rem;
}

.contact-box__title {
    font-size: clamp(2rem, 3.5vw, 2.75rem);
    font-weight: 800;
    line-height: 1.15;
    margin: 0 0 1rem 0;
    color: var(--color-text-on-dark);
}

.contact-box__desc {
    font-size: 1.0625rem;
    line-height: 1.6;
    color: var(--color-text-muted-dark);
    margin: 0;
}

.contact-box__actions {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    align-items: flex-start;
    flex-shrink: 0;
}

/* ==========================================================================
   Footer (Dark)
   ========================================================================== */

.site-footer {
    background: var(--color-bg-dark);
    border-top: 1px solid var(--color-border-dark);
    padding: 3rem 0;
    color: var(--color-text-muted-dark);
}

.footer__inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.footer__left {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.footer__copy {
    font-size: 0.875rem;
    margin: 0;
}

.back-to-top {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-text-muted-dark);
    cursor: pointer;
    background: transparent;
    border: none;
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius-md);
    transition: color var(--transition-fast);
}

.back-to-top:hover {
    color: var(--color-text-on-dark);
}

.back-to-top svg {
    width: 16px;
    height: 16px;
}

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

@media (max-width: 1199px) {
    .project-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .about-sidebar {
        grid-column: span 2;
    }
}

@media (max-width: 991px) {
    .hero__grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
        text-align: center;
    }

    .hero__content {
        max-width: 100%;
        margin-inline: auto;
    }

    .hero__eyebrow,
    .hero__roles,
    .hero__actions,
    .hero__socials {
        justify-content: center;
    }

    .hero__intro {
        margin-inline: auto;
    }

    .hero__visual {
        order: -1;
    }

    .cutout-frame {
        max-width: 340px;
    }

    .contact-box {
        flex-direction: column;
        text-align: center;
        padding: 2.5rem;
    }

    .contact-box__actions {
        align-items: center;
    }
}

@media (max-width: 767px) {
    .nav-toggle {
        display: block;
    }

    .nav-menu {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: rgba(7, 17, 31, 0.96);
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
        border-bottom: 1px solid var(--color-border-dark);
        flex-direction: column;
        padding: 1.5rem;
        gap: 1.25rem;
        box-shadow: var(--shadow-lg);
    }

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

    .nav-actions .btn {
        display: none;
    }

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

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

    .about-sidebar {
        grid-column: span 1;
    }

    .section {
        padding: 4rem 0;
    }

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

@media (max-width: 575px) {
    .hero {
        padding-top: 88px;
    }

    .hero__actions {
        flex-direction: column;
        width: 100%;
    }

    .hero__actions .btn {
        width: 100%;
    }

    .contact-box {
        padding: 1.75rem 1.25rem;
    }

    .contact-box__actions .btn {
        width: 100%;
    }
}

/* ==========================================================================
   Section Header Row (With Action Button)
   ========================================================================== */

.section-header-row {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 3.5rem;
    gap: 2rem;
    flex-wrap: wrap;
}

.section-header-row .section-header {
    margin-bottom: 0;
}

/* ==========================================================================
   Projects Listing Page & Category Tabs
   ========================================================================== */

.section--projects-hero {
    background: var(--color-bg-dark);
    padding-top: 120px;
    padding-bottom: 3rem;
    border-bottom: 1px solid var(--color-border-dark);
}

.page-header {
    max-width: 44rem;
    margin-bottom: 2.5rem;
}

.page-title {
    font-size: clamp(2.25rem, 4.5vw, 3.5rem);
    font-weight: 800;
    line-height: 1.1;
    color: var(--color-text-on-dark);
    margin: 0.5rem 0 1rem 0;
    letter-spacing: -0.02em;
}

.page-desc {
    font-size: 1.125rem;
    line-height: 1.6;
    color: var(--color-text-muted-dark);
    margin: 0;
}

.category-nav {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    flex-wrap: wrap;
}

.category-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--color-surface-dark);
    border: 1px solid var(--color-border-dark);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-text-muted-dark);
    transition: all var(--transition-fast);
}

.category-pill:hover {
    color: var(--color-text-on-dark);
    border-color: rgba(255, 255, 255, 0.25);
}

.category-pill--active {
    background: var(--color-accent);
    color: #ffffff;
    border-color: var(--color-accent);
}

.category-pill--active:hover {
    background: var(--color-accent-hover);
    color: #ffffff;
}

.category-count {
    padding: 0.125rem 0.4rem;
    background: rgba(0, 0, 0, 0.2);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
}

/* ==========================================================================
   Project Detail View
   ========================================================================== */

.project-detail__hero {
    background: radial-gradient(ellipse 80% 60% at 50% -10%, rgba(37, 99, 235, 0.18), transparent), #070d18;
    padding-top: 110px;
    padding-bottom: 4.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    position: relative;
    overflow: hidden;
}

.project-detail__hero-ambient {
    position: absolute;
    inset: 0;
    background-image: radial-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px);
    background-size: 24px 24px;
    pointer-events: none;
    opacity: 0.6;
}

.project-detail__hero-container {
    position: relative;
    z-index: 2;
    margin-bottom: 0;
}

.breadcrumb {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: #94a3b8;
    margin-bottom: 2rem;
    padding: 0.4rem 1rem;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-full);
    backdrop-filter: blur(8px);
}

.breadcrumb a {
    color: #cbd5e1;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    text-decoration: none;
    transition: color var(--transition-fast);
}

.breadcrumb a:hover {
    color: #ffffff;
}

.breadcrumb__sep {
    opacity: 0.4;
    color: #64748b;
}

.project-detail__header {
    max-width: 54rem;
}

.project-detail__meta {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.25rem;
    flex-wrap: wrap;
}

.project-detail__date {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.875rem;
    color: var(--color-text-muted-dark);
}

.project-detail__title {
    font-size: clamp(2.25rem, 5vw, 3.5rem);
    font-weight: 800;
    line-height: 1.12;
    letter-spacing: -0.02em;
    color: var(--color-text-on-dark);
    margin: 0 0 1.25rem 0;
}

.project-detail__lead {
    font-size: 1.2rem;
    line-height: 1.65;
    color: #94a3b8;
    margin-bottom: 2.25rem;
}

.project-detail__actions {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

/* Browser / App Mockup Frame for Cover & Showcase */
.project-detail__cover-wrap {
    position: relative;
    z-index: 5;
    margin-top: 2.75rem;
    margin-bottom: 0;
}

.project-detail__mockup-window {
    background: #09101d;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 16px;
    box-shadow: 0 20px 50px -10px rgba(0, 0, 0, 0.55), 0 0 0 1px rgba(255, 255, 255, 0.06);
    overflow: hidden;
}

.mockup-window__bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.75rem 1.25rem;
    background: #0c1424;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.mockup-window__dots {
    display: flex;
    align-items: center;
    gap: 6px;
}

.mockup-window__dot {
    width: 11px;
    height: 11px;
    border-radius: 50%;
    display: block;
}

.mockup-window__dot--red { background: #ef4444; }
.mockup-window__dot--yellow { background: #f59e0b; }
.mockup-window__dot--green { background: #10b981; }

.mockup-window__address {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.25rem 0.85rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.07);
    border-radius: 6px;
    font-size: 0.75rem;
    color: #94a3b8;
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

.mockup-window__badge {
    font-size: 0.75rem;
    font-weight: 600;
    color: #38bdf8;
    background: rgba(56, 189, 248, 0.12);
    border: 1px solid rgba(56, 189, 248, 0.25);
    padding: 0.2rem 0.65rem;
    border-radius: var(--radius-full);
}

.mockup-window__body {
    position: relative;
    aspect-ratio: 16 / 9;
    max-height: 480px;
    background: #080f1d;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.project-detail__cover-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* Rich Interactive Software Dashboard Preview Canvas */
.project-showcase-canvas {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2.5rem 2rem;
    background: radial-gradient(circle at 50% 25%, #0e1e36 0%, #070e1b 80%);
    position: relative;
}

.showcase-dashboard {
    width: 100%;
    max-width: 48rem;
    display: flex;
    flex-direction: column;
    gap: 1.75rem;
}

.showcase-dashboard__top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding-bottom: 1.25rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    flex-wrap: wrap;
}

.showcase-dashboard__brand {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.showcase-dashboard__app-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.35), rgba(124, 58, 237, 0.4));
    border: 1px solid rgba(255, 255, 255, 0.18);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #38bdf8;
    flex-shrink: 0;
}

.showcase-dashboard__app-icon svg {
    width: 24px;
    height: 24px;
}

.showcase-dashboard__app-name {
    display: block;
    font-size: 1.25rem;
    font-weight: 700;
    color: #ffffff;
    letter-spacing: -0.01em;
}

.showcase-dashboard__app-tag {
    display: block;
    font-size: 0.8125rem;
    color: #94a3b8;
    margin-top: 0.1rem;
}

.showcase-dashboard__status-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.35rem 0.85rem;
    background: rgba(16, 185, 129, 0.12);
    border: 1px solid rgba(16, 185, 129, 0.25);
    border-radius: var(--radius-full);
    font-size: 0.8125rem;
    font-weight: 600;
    color: #34d399;
}

.status-pulse {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: #10b981;
    box-shadow: 0 0 8px #10b981;
}

/* Metric & Spec Tiles */
.showcase-dashboard__tiles {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

.showcase-tile {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 12px;
    padding: 1rem 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.showcase-tile__label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: #64748b;
    font-weight: 600;
}

.showcase-tile__value {
    font-size: 0.95rem;
    font-weight: 600;
    color: #f1f5f9;
}

.showcase-dashboard__tags {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.showcase-canvas__pill {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    font-size: 0.8125rem;
    font-weight: 500;
    padding: 0.3rem 0.85rem;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    color: #cbd5e1;
}

.pill-dot {
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: #38bdf8;
}

/* Main Content Body */
.project-detail__body-section {
    padding: 4.5rem 0;
    background: var(--color-bg-light);
}

.project-detail__grid {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 3rem;
    align-items: start;
}

/* Case Study Cards */
.case-study-card {
    background: #ffffff;
    border: 1px solid rgba(226, 232, 240, 0.9);
    border-radius: 16px;
    padding: 2.25rem;
    margin-bottom: 2rem;
    box-shadow: 0 4px 20px -2px rgba(0, 0, 0, 0.03);
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.case-study-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 30px -6px rgba(0, 0, 0, 0.06);
    border-color: rgba(37, 99, 235, 0.3);
}

.case-study-card__header {
    display: flex;
    align-items: center;
    gap: 1.15rem;
    margin-bottom: 1.5rem;
}

.case-study-card__icon {
    width: 46px;
    height: 46px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.case-study-card__icon--danger {
    background: #fef2f2;
    color: #ef4444;
    border: 1px solid #fee2e2;
}

.case-study-card__icon--success {
    background: #f0fdf4;
    color: #16a34a;
    border: 1px solid #dcfce7;
}

.case-study-card__icon--primary {
    background: #eff6ff;
    color: #2563eb;
    border: 1px solid #dbeafe;
}

.case-study-card__icon--purple {
    background: #faf5ff;
    color: #9333ea;
    border: 1px solid #f3e8ff;
}

.case-study-card__icon--amber {
    background: #fffbeb;
    color: #d97706;
    border: 1px solid #fef3c7;
}

.case-study-card__title {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--color-text-on-light);
    margin: 0;
    letter-spacing: -0.01em;
}

.case-study-card__caption {
    font-size: 0.8125rem;
    color: var(--color-text-muted-light);
    margin: 0.2rem 0 0 0;
}

.case-study-card__body {
    font-size: 1.0625rem;
    line-height: 1.8;
    color: #334155;
}

/* Features List */
.features-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.875rem;
}

.features-list__item {
    display: flex;
    align-items: flex-start;
    gap: 0.85rem;
    font-size: 1rem;
    line-height: 1.6;
    color: #334155;
}

.features-list__bullet {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    border-radius: 7px;
    background: #eff6ff;
    color: #2563eb;
    flex-shrink: 0;
    margin-top: 2px;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
}

.gallery-item {
    margin: 0;
    border-radius: var(--radius-md);
    overflow: hidden;
    background: var(--color-surface-soft);
    border: 1px solid var(--color-border-light);
}

.gallery-item__img {
    width: 100%;
    aspect-ratio: 16 / 10;
    object-fit: cover;
    display: block;
}

.gallery-item__caption {
    padding: 0.75rem 1rem;
    font-size: 0.8125rem;
    color: var(--color-text-muted-light);
}

/* Sticky Metadata Sidebar Card */
.meta-card {
    background: #ffffff;
    border: 1px solid rgba(226, 232, 240, 0.9);
    border-radius: 16px;
    padding: 2rem;
    box-shadow: 0 4px 20px -2px rgba(0, 0, 0, 0.04);
    position: sticky;
    top: 96px;
}

.meta-card__top {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    color: #2563eb;
}

.meta-card__title {
    font-size: 1.15rem;
    font-weight: 700;
    margin: 0;
    color: var(--color-text-on-light);
}

.meta-card__list {
    margin: 0 0 1.5rem 0;
}

.meta-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.85rem 0;
    border-bottom: 1px solid #f1f5f9;
}

.meta-item dt {
    font-size: 0.8125rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--color-text-muted-light);
    margin: 0;
}

.meta-item dd {
    margin: 0;
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-text-on-light);
}

.meta-pill {
    padding: 0.25rem 0.75rem;
    background: #eff6ff;
    color: #2563eb;
    border-radius: var(--radius-full);
    font-size: 0.8125rem;
    font-weight: 600;
}

.meta-badge-status {
    padding: 0.25rem 0.75rem;
    background: #f0fdf4;
    color: #16a34a;
    border-radius: var(--radius-full);
    font-size: 0.8125rem;
    font-weight: 600;
}

.meta-card__subtitle {
    font-size: 0.8125rem;
    font-weight: 700;
    color: var(--color-text-muted-light);
    margin: 0 0 0.85rem 0;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.meta-card__cta {
    margin-top: 1.75rem;
    padding-top: 1.5rem;
    border-top: 1px solid #f1f5f9;
}

.btn--full {
    width: 100%;
}

/* ==========================================================================
   Empty States
   ========================================================================== */

.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    background: var(--color-surface-light);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-lg);
    max-width: 36rem;
    margin-inline: auto;
}

.empty-state__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: var(--color-surface-soft);
    color: var(--color-text-muted-light);
    margin-bottom: 1.25rem;
}

.empty-state__title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-text-on-light);
    margin: 0 0 0.5rem 0;
}

.empty-state__desc {
    font-size: 0.9375rem;
    color: var(--color-text-muted-light);
    margin: 0 0 1.5rem 0;
}

@media (max-width: 991px) {
    .project-detail__grid {
        grid-template-columns: 1fr;
    }

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

    .meta-card {
        position: static;
    }
}

/* ==========================================================================
   UX Polish: Subtle Reveals & Fallbacks
   ========================================================================== */

.reveal-on-scroll {
    opacity: 0;
    transform: translateY(16px);
    transition: opacity 500ms ease, transform 500ms ease;
    will-change: opacity, transform;
}

.reveal-on-scroll.is-revealed {
    opacity: 1;
    transform: translateY(0);
}

.img-fallback {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    min-height: 120px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px dashed var(--color-border-dark);
    border-radius: var(--radius-md);
    padding: 1rem;
    text-align: center;
}

/* ==========================================================================
   Reduced Motion (Accessibility)
   ========================================================================== */

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}