/* ═══════════════════════════════════════════
   BASE & VARIABLES
═══════════════════════════════════════════ */
:root {
    --color-bg:          #ffffff;
    --color-bg-alt:      #faf7fb;
    --color-bg-card:     #ffffff;
    --color-text:        #1e1128;
    --color-text-muted:  #6b5a74;
    --color-accent:      #c9a0c7;
    --color-accent-dark: #a87ca6;
    --color-accent-soft: #f5eaf8;
    --color-border:      #ede8f2;
    --font:              'Inter', sans-serif;
    --shadow-xs:         0 1px 4px rgba(30,17,40,.04);
    --shadow-sm:         0 4px 16px rgba(30,17,40,.06);
    --shadow-md:         0 8px 32px rgba(30,17,40,.09);
    --shadow-lg:         0 16px 56px rgba(30,17,40,.12);
    --radius-sm:         8px;
    --radius-md:         14px;
    --radius-lg:         20px;
    --radius-full:       9999px;
    --ease:              cubic-bezier(0.22, 1, 0.36, 1);
    --transition:        all 0.4s var(--ease);
}

/* ── Dark Mode ── */
[data-theme="dark"] {
    --color-bg:          #0f0b14;
    --color-bg-alt:      #18121f;
    --color-bg-card:     #1c1525;
    --color-text:        #ede8f4;
    --color-text-muted:  #9d8caa;
    --color-accent:      #b884b6;
    --color-accent-dark: #d4a8d2;
    --color-accent-soft: #2a1a30;
    --color-border:      #2e2038;
    --shadow-xs:         0 1px 4px rgba(0,0,0,.25);
    --shadow-sm:         0 4px 16px rgba(0,0,0,.35);
    --shadow-md:         0 8px 32px rgba(0,0,0,.45);
    --shadow-lg:         0 16px 56px rgba(0,0,0,.55);
}

html {
    scroll-behavior: smooth;
    box-sizing: border-box;
    transition: background-color 0.35s ease, color 0.35s ease;
}
*, *::before, *::after { box-sizing: inherit; margin: 0; padding: 0; }

body {
    font-family: var(--font);
    color: var(--color-text);
    background: transparent;
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
    transition: color 0.35s ease;
}

/* ── Ambient Background ── */
.ambient-background {
    position: fixed;
    inset: 0;
    z-index: -1;
    overflow: hidden;
    background: var(--color-bg);
    transition: background-color 0.35s ease;
}
.orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.6;
    animation: orbFloat 25s infinite ease-in-out alternate;
}
.orb-1 {
    width: 55vw;
    height: 55vw;
    background: var(--color-accent-soft);
    top: -15%;
    left: -15%;
}
.orb-2 {
    width: 45vw;
    height: 45vw;
    background: var(--color-accent);
    bottom: -10%;
    right: -10%;
    animation-delay: -5s;
    animation-duration: 30s;
}
.orb-3 {
    width: 35vw;
    height: 35vw;
    background: var(--color-accent-dark);
    top: 30%;
    left: 50%;
    animation-delay: -10s;
    animation-duration: 22s;
    opacity: 0.4;
}
[data-theme="dark"] .orb {
    opacity: 0.2;
}
@keyframes orbFloat {
    0% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(5vw, -5vw) scale(1.05); }
    66% { transform: translate(-3vw, 4vw) scale(0.95); }
    100% { transform: translate(4vw, 3vw) scale(1.02); }
}

/* ── Minimal Shapes ── */
.bg-shape {
    position: absolute;
    color: var(--color-accent-dark);
    opacity: 0.12; /* Very minimal */
    animation: shapeFloat 40s infinite linear;
    pointer-events: none;
}
.bg-shape-1 { top: 15%; left: 8%; font-size: 4.5rem; animation-duration: 45s; }
.bg-shape-2 { top: 60%; right: 10%; font-size: 3.5rem; animation-duration: 38s; animation-direction: reverse; }
.bg-shape-3 { bottom: 12%; left: 15%; font-size: 2.5rem; animation-duration: 30s; }
.bg-shape-4 { top: 25%; right: 18%; font-size: 3rem; animation-duration: 35s; }
.bg-shape-5 { top: 75%; left: 45%; font-size: 6rem; animation-duration: 50s; opacity: 0.06; }
.bg-shape-6 { top: 40%; left: 80%; font-size: 2rem; animation-duration: 25s; animation-direction: reverse; }

[data-theme="dark"] .bg-shape {
    opacity: 0.06;
}

@keyframes shapeFloat {
    0% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-80px) rotate(180deg); }
    100% { transform: translateY(0) rotate(360deg); }
}

/* ═══════════════════════════════════════════
   TYPOGRAPHY
═══════════════════════════════════════════ */
h1, h2, h3, h4 {
    line-height: 1.15;
    font-weight: 700;
    letter-spacing: -0.025em;
    color: var(--color-text);
}
p { color: var(--color-text-muted); }
p + p { margin-top: 0.9rem; }
a { text-decoration: none; color: inherit; }

.eyebrow, .section-label {
    display: inline-block;
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-accent-dark);
    margin-bottom: 14px;
}

.section-title {
    font-size: clamp(1.8rem, 3vw, 2.6rem);
    margin-bottom: 0;
}

/* ═══════════════════════════════════════════
   LAYOUT UTILITIES
═══════════════════════════════════════════ */
.container    { width: 100%; max-width: 1120px; margin: 0 auto; padding: 0 28px; }
.container-sm { max-width: 740px; }
.section-spacing { padding: 108px 0; }
.bg-light  { 
    background: var(--color-bg-alt); 
    background: color-mix(in srgb, var(--color-bg-alt) 65%, transparent); 
}
.bg-white  { 
    background: var(--color-bg); 
    background: color-mix(in srgb, var(--color-bg) 65%, transparent); 
}
.text-center { text-align: center; }
.text-sm   { font-size: 0.875rem; color: var(--color-text-muted); }
.text-xs   { font-size: 0.78rem; color: var(--color-text-muted); }

.section-header {
    margin-bottom: 56px;
}

/* ═══════════════════════════════════════════
   BUTTONS
═══════════════════════════════════════════ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: var(--radius-sm);
    font-weight: 500;
    font-size: 0.95rem;
    font-family: var(--font);
    cursor: pointer;
    border: none;
    transition: var(--transition);
}
.btn-primary {
    background: var(--color-text);
    color: #fff;
}
.btn-primary:hover {
    background: #000;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    color: #fff;
}
.btn-ghost {
    background: transparent;
    color: var(--color-text);
    border: 1px solid var(--color-border);
}
.btn-ghost:hover {
    background: var(--color-accent-soft);
    border-color: var(--color-accent);
    transform: translateY(-2px);
}
.btn-outline-sm {
    padding: 10px 22px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text);
    font-weight: 500;
    font-size: 0.9rem;
    transition: var(--transition);
}
.btn-outline-sm:hover {
    border-color: var(--color-accent-dark);
    background: var(--color-accent-soft);
}

/* ═══════════════════════════════════════════
   NAVBAR
═══════════════════════════════════════════ */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(255,255,255,0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--color-border);
    padding: 18px 0;
    transition: var(--transition);
    animation: slideDown 0.6s var(--ease) backwards;
}
@keyframes slideDown {
    from { transform: translateY(-100%); opacity: 0; }
    to   { transform: translateY(0);     opacity: 1; }
}
.nav-container { display: flex; justify-content: space-between; align-items: center; }
.logo {
    font-size: 1.4rem;
    font-weight: 700;
    letter-spacing: -0.04em;
    color: var(--color-text);
}
.nav-links { list-style: none; display: flex; align-items: center; gap: 32px; }
.nav-links a {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text-muted);
    transition: color 0.25s;
}
.nav-links a:hover { color: var(--color-text); }
.hamburger {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--color-text);
}

/* Theme toggle button */
.theme-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    border: 1px solid var(--color-border);
    background: transparent;
    cursor: pointer;
    color: var(--color-text-muted);
    font-size: 1.1rem;
    transition: var(--transition);
    flex-shrink: 0;
}
.theme-toggle:hover {
    background: var(--color-accent-soft);
    border-color: var(--color-accent);
    color: var(--color-text);
}

/* Dark mode — navbar backdrop */
[data-theme="dark"] .navbar {
    background: rgba(15, 11, 20, 0.85);
}
[data-theme="dark"] .nav-links {
    background: rgba(15, 11, 20, 0.97);
}

/* Dark mode — hero gradient */
[data-theme="dark"] .hero {
    background: transparent;
}

/* Dark mode — form inputs */
[data-theme="dark"] .form-group input,
[data-theme="dark"] .form-group textarea {
    background: var(--color-bg-alt);
    color: var(--color-text);
    border-color: var(--color-border);
}

/* Dark mode — profile pic ring */
[data-theme="dark"] .profile-pic {
    border-color: var(--color-bg-alt);
    outline-color: var(--color-border);
}


/* ═══════════════════════════════════════════
   ANIMATIONS
═══════════════════════════════════════════ */

/* Base hidden state */
.fade-up,
.fade-left,
.fade-right,
.scale-in {
    opacity: 0;
    will-change: opacity, transform;
}

/* Fade up (default) — spec: 20px up + scale 0.95→1 */
.fade-up {
    transform: translateY(20px) scale(0.95);
    transition: opacity 0.75s var(--ease), transform 0.75s var(--ease);
}

/* Fade from left */
.fade-left {
    transform: translateX(-40px);
    transition: opacity 0.72s var(--ease), transform 0.72s var(--ease);
}

/* Fade from right */
.fade-right {
    transform: translateX(40px);
    transition: opacity 0.72s var(--ease), transform 0.72s var(--ease);
}

/* Scale in — unified with fade-up spec: scale 0.95 + 20px */
.scale-in {
    transform: translateY(20px) scale(0.95);
    transition: opacity 0.75s var(--ease), transform 0.75s var(--ease);
}

/* Visible state */
.fade-up.in-view,
.fade-left.in-view,
.fade-right.in-view,
.scale-in.in-view {
    opacity: 1;
    transform: none;
}

/* Stagger delays */
.delay-1 { transition-delay: 0.1s !important; }
.delay-2 { transition-delay: 0.2s !important; }
.delay-3 { transition-delay: 0.3s !important; }
.delay-4 { transition-delay: 0.4s !important; }
.delay-5 { transition-delay: 0.5s !important; }

/* Section-level slide-in line */
.section-label {
    position: relative;
    overflow: hidden;
}
.section-label::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -2px;
    height: 1px;
    width: 100%;
    background: var(--color-accent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.6s var(--ease) 0.3s;
}
.fade-up.in-view .section-label::after,
.in-view > .section-label::after {
    transform: scaleX(1);
}

/* ── Parallax elements ── */
/* JS sets translateY via inline style; will-change avoids repaints */
[data-parallax] {
    will-change: transform;
    /* Don't let JS transform fight the reveal transition */
    transition: opacity 0.75s var(--ease);
}
/* When a parallax section header is also a fade-up, restore transform compositing */
[data-parallax].fade-up,
[data-parallax].fade-left,
[data-parallax].fade-right {
    transition: opacity 0.75s var(--ease), transform 0.75s var(--ease);
}

/* ── Image reveal-mask ── */
/* Applied to .portfolio-visual and .hero-image wrappers */
.img-reveal {
    /* Clip from bottom: hidden until observer fires */
    clip-path: inset(100% 0 0% 0);
    transition: clip-path 0.9s cubic-bezier(0.22, 1, 0.36, 1);
    will-change: clip-path;
}
.img-reveal.in-view {
    clip-path: inset(0% 0 0% 0);
}
/* Stagger delays for img-reveal */
.img-reveal.delay-1 { transition-delay: 0.12s; }
.img-reveal.delay-2 { transition-delay: 0.22s; }

/* ── Luxurious smooth scroll ── */
html {
    /* smooth-scroll is already on html; reinforce with scroll-timeline awareness */
    scroll-behavior: smooth;
}

/* ═══════════════════════════════════════════
   HERO
═══════════════════════════════════════════ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    background: transparent;
}
.hero-content {
    display: flex;
    align-items: center;
    gap: 72px;
}
.hero-image { flex-shrink: 0; }
.profile-pic {
    width: 360px;
    height: 360px;
    border-radius: 50%;
    object-fit: cover;
    box-shadow: var(--shadow-lg);
    border: 5px solid var(--color-bg);
    outline: 1px solid var(--color-border);
}
.hero-text { max-width: 560px; }
.name {
    font-size: clamp(3.2rem, 6vw, 5.2rem);
    font-weight: 700;
    line-height: 1.04;
    letter-spacing: -0.04em;
    margin-bottom: 20px;
}
.tagline {
    font-size: 1.1rem;
    color: var(--color-text-muted);
    line-height: 1.6;
    margin-bottom: 36px;
    font-weight: 300;
}
.hero-buttons { display: flex; gap: 14px; flex-wrap: wrap; }

/* ═══════════════════════════════════════════
   ABOUT
═══════════════════════════════════════════ */
#about {
    background: color-mix(in srgb, var(--color-accent-soft) 65%, transparent);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.03), inset 0 0 40px rgba(255, 255, 255, 0.4);
    position: relative;
    z-index: 1;
}

[data-theme="dark"] #about {
    background: color-mix(in srgb, var(--color-accent-soft) 30%, transparent);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.2), inset 0 0 40px rgba(255, 255, 255, 0.03);
}

.about-layout {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 80px;
    align-items: start;
}
.about-left { position: sticky; top: 100px; }
.about-heading {
    font-size: clamp(1.8rem, 2.8vw, 2.4rem);
    margin-bottom: 24px;
    line-height: 1.2;
}
.lead-text {
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--color-text);
    line-height: 1.65;
    margin-bottom: 1.1rem;
}
.about-stats {
    display: flex;
    flex-direction: column;
    gap: 28px;
    margin-top: 32px;
    padding-top: 32px;
    border-top: 1px solid var(--color-border);
}
.stat-item { display: flex; flex-direction: column; gap: 4px; }
.stat-number {
    font-size: 2.4rem;
    font-weight: 700;
    letter-spacing: -0.04em;
    color: var(--color-text);
    line-height: 1;
}
.stat-desc {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    font-weight: 400;
}
.about-right p { font-size: 1rem; line-height: 1.75; }

/* ═══════════════════════════════════════════
   SERVICES
═══════════════════════════════════════════ */
/* Services Tabs */
.tabs-header {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-bottom: 48px;
    flex-wrap: wrap;
}
.tab-btn {
    padding: 12px 28px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    background: transparent;
    color: var(--color-text-muted);
    font-weight: 500;
    font-size: 0.95rem;
    cursor: pointer;
    transition: var(--transition);
}
.tab-btn:hover {
    background: var(--color-accent-soft);
    color: var(--color-text);
    border-color: var(--color-accent);
}
.tab-btn.active {
    background: var(--color-text);
    color: var(--color-bg);
    border-color: var(--color-text);
}
[data-theme="dark"] .tab-btn.active {
    background: var(--color-text);
    color: var(--color-bg-alt);
}

.tab-pane {
    display: none;
    animation: fadeInTab 0.5s var(--ease) forwards;
}
.tab-pane.active {
    display: block;
}
@keyframes fadeInTab {
    0% { opacity: 0; transform: translateY(12px); }
    100% { opacity: 1; transform: translateY(0); }
}

.tab-hook {
    text-align: center;
    max-width: 640px;
    margin: 0 auto 40px auto;
}
.tab-hook h3 {
    font-size: 1.3rem;
    margin-bottom: 6px;
    color: var(--color-text);
}
.tab-hook p {
    font-size: 0.95rem;
    color: var(--color-text-muted);
}

.services-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 24px;
}
.service-card {
    background: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 36px 32px;
    width: calc(33.333% - 16px);
    min-width: 280px;
    text-align: center;
    transition: var(--transition);
}
.service-card:hover {
    background: var(--color-bg-card);
    box-shadow: var(--shadow-md);
    transform: translateY(-5px);
    border-color: var(--color-accent);
}
.service-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    border-radius: var(--radius-sm);
    background: var(--color-accent-soft);
    margin: 0 auto 20px auto;
}
.service-icon i {
    font-size: 1.75rem;
    color: var(--color-accent-dark);
}
.service-card h3 {
    font-size: 1.1rem;
    margin-bottom: 16px;
}
.service-list {
    list-style: none;
    text-align: left;
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.service-list li {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    line-height: 1.5;
    padding-left: 16px;
    position: relative;
}
.service-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 9px;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--color-accent);
}

/* ═══════════════════════════════════════════
   EDUCATION & EXPERIENCE
═══════════════════════════════════════════ */
.exp-layout {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 56px;
    align-items: start;
}

/* Column titles */
.exp-col-title {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-accent-dark);
    margin-bottom: 28px;
}
.exp-col-title i { font-size: 1.1rem; }

/* Timeline */
.exp-timeline { position: relative; }
.exp-timeline::before {
    content: '';
    position: absolute;
    left: 14px;
    top: 0;
    bottom: 0;
    width: 1px;
    background: var(--color-border);
}

.exp-entry {
    position: relative;
    padding-left: 44px;
}
.exp-entry--featured {
    background: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 28px 28px 28px 44px;
    transition: var(--transition);
}
.exp-entry--featured:hover {
    border-color: var(--color-accent);
    box-shadow: var(--shadow-sm);
}

.exp-entry-header {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}
.exp-dot {
    position: absolute;
    left: -30px;
    top: 6px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--color-accent-dark);
    border: 2px solid var(--color-bg);
    box-shadow: 0 0 0 2px var(--color-accent);
    flex-shrink: 0;
}
.exp-role {
    font-size: 1.15rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 4px;
    flex: 1;
}
.exp-org {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    margin: 0;
}
.exp-badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    background: var(--color-accent-soft);
    color: var(--color-accent-dark);
    border: 1px solid var(--color-border);
    white-space: nowrap;
    align-self: flex-start;
}
.exp-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.exp-list li {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    line-height: 1.55;
    padding-left: 18px;
    position: relative;
}
.exp-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--color-accent);
    flex-shrink: 0;
}

/* Education entries */
.edu-entries { display: flex; flex-direction: column; gap: 20px; }
.edu-entry {
    display: flex;
    gap: 18px;
    padding: 24px;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    background: var(--color-bg-alt);
    transition: var(--transition);
}
.edu-entry:hover {
    border-color: var(--color-accent);
    box-shadow: var(--shadow-sm);
    transform: translateX(4px);
}
.edu-icon-wrap {
    width: 42px;
    height: 42px;
    border-radius: var(--radius-sm);
    background: var(--color-accent-soft);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.edu-icon-wrap i { font-size: 1.3rem; color: var(--color-accent-dark); }
.edu-body { flex: 1; }
.edu-status {
    display: inline-block;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-accent-dark);
    background: var(--color-accent-soft);
    border: 1px solid var(--color-border);
    padding: 2px 10px;
    border-radius: var(--radius-full);
    margin-bottom: 10px;
}
.edu-status--done {
    color: var(--color-text-muted);
    background: var(--color-bg);
}
.edu-degree {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 4px;
}
.edu-major {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    margin-bottom: 4px;
}
.edu-school {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    font-style: italic;
    margin: 0;
}

/* ═══════════════════════════════════════════
   PORTFOLIO — CAROUSEL
═══════════════════════════════════════════ */

/* ── Spring entrance keyframes ── */
@keyframes springEntrance {
    0%   { opacity: 0; transform: translateY(52px) scale(0.90); }
    60%  { opacity: 1; transform: translateY(-8px) scale(1.02); }
    80%  { transform: translateY(4px) scale(0.99); }
    100% { opacity: 1; transform: translateY(0) scale(1); }
}

/* ── Wrapper: clips the sliding track ── */
.carousel-wrapper {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-lg);
    /* extra horizontal room for the arrow buttons */
    padding: 0 52px;
    box-sizing: border-box;
    /* prevent vertical scroll interference on touch */
    touch-action: pan-y;
}

/* ── Sliding track ── */
.carousel-track {
    display: flex;
    gap: 24px;
    cursor: grab;
    user-select: none;
    -webkit-user-select: none;
    will-change: transform;
    /* JS sets transform: translateX() */
}
.carousel-track.is-dragging {
    cursor: grabbing;
}
/* Kill transitions while JS spring is running */
.carousel-track.no-transition {
    transition: none !important;
}

/* ── Individual slides ── */
.carousel-slide {
    /* Desktop: 3-up */
    flex: 0 0 calc(33.333% - 16px);
    min-width: 0;
}

/* Spring entrance animation applied per slide */
.carousel-slide.spring-enter {
    animation: springEntrance 0.7s cubic-bezier(0.22, 1, 0.36, 1) both;
    animation-delay: var(--stagger-delay, 0ms);
}

/* ── Portfolio card (inner) ── */
.portfolio-card {
    width: 100%;
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--color-border);
    background: var(--color-bg-card);
    transition: transform 0.45s var(--ease), box-shadow 0.45s var(--ease), border-color 0.45s var(--ease);
    /* prevent card from inheriting grab cursor */
    cursor: default;
}
.portfolio-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-accent);
}

/* ── Card visual / image / overlay ── */
.portfolio-visual {
    height: 220px;
    overflow: hidden;
    position: relative;
    cursor: pointer;
    background: var(--color-bg-alt);
}
.portfolio-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s var(--ease);
    pointer-events: none; /* let drag fall through to track */
}
.portfolio-overlay {
    position: absolute;
    inset: 0;
    background: rgba(30,17,40,0.45);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
    color: #fff;
    font-size: 2.2rem;
}
.portfolio-visual:hover .portfolio-img    { transform: scale(1.06); }
.portfolio-visual:hover .portfolio-overlay { opacity: 1; }
.portfolio-content {
    padding: 24px 28px;
    text-align: center;
}
.portfolio-content h3 { font-size: 1rem; margin-bottom: 8px; }
.portfolio-content p  { font-size: 0.875rem; }

/* ── Arrow navigation buttons ── */
.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 10;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1px solid var(--color-border);
    background: var(--color-bg-card);
    color: var(--color-text);
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
    flex-shrink: 0;
    /* prevent triggering drag on the track */
    pointer-events: all;
}
.carousel-btn:hover {
    background: var(--color-accent-soft);
    border-color: var(--color-accent-dark);
    color: var(--color-accent-dark);
    box-shadow: var(--shadow-md);
    transform: translateY(-50%) scale(1.08);
}
.carousel-btn:disabled {
    opacity: 0.35;
    cursor: not-allowed;
    transform: translateY(-50%) scale(1);
}
.carousel-btn--prev { left: 4px; }
.carousel-btn--next { right: 4px; }

/* ── Dot indicators ── */
.carousel-dots {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    margin-top: 28px;
    padding-bottom: 4px;
}
.carousel-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color-border);
    border: none;
    cursor: pointer;
    padding: 0;
    transition: background 0.3s var(--ease), transform 0.3s var(--ease), width 0.35s var(--ease);
    flex-shrink: 0;
}
.carousel-dot.active {
    background: var(--color-accent-dark);
    width: 22px;
    border-radius: var(--radius-full);
    transform: none;
}
.carousel-dot:hover:not(.active) {
    background: var(--color-accent);
    transform: scale(1.2);
}

/* ── Video showcase (unchanged) ── */
.portfolio-videos {
    display: flex;
    gap: 28px;
    margin-top: 24px;
    justify-content: center;
}
.video-showcase-header {
    text-align: center;
    margin-top: 72px;
    margin-bottom: 0;
}
.video-showcase-header h3 {
    font-size: 1.75rem;
    font-weight: 700;
}
.video-container {
    flex: 1;
    position: relative;
    padding-top: 56.25%; /* 16:9 */
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--color-border);
}

/* ── Responsive: 2-up at tablet ── */
@media (max-width: 960px) {
    .carousel-slide {
        flex: 0 0 calc(50% - 12px);
    }
    .carousel-wrapper {
        padding: 0 44px;
    }
}

/* ── Responsive: 1-up at mobile (auto-stack) ── */
@media (max-width: 640px) {
    .carousel-slide {
        flex: 0 0 calc(100%);
    }
    .carousel-wrapper {
        padding: 0 36px;
    }
    .carousel-btn {
        width: 34px;
        height: 34px;
        font-size: 0.95rem;
    }
    .portfolio-videos {
        flex-direction: column;
    }
}

/* ═══════════════════════════════════════════
   TOOLS
═══════════════════════════════════════════ */
.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}
.tech-category {
    background: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 28px 28px 24px;
    transition: var(--transition);
}
.tech-category:hover {
    border-color: var(--color-accent);
    box-shadow: var(--shadow-sm);
}
.category-title {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-accent-dark);
    margin-bottom: 16px;
}
.tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}
.tech-tag {
    padding: 6px 14px;
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--color-text);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    transition: var(--transition);
}
.tech-tag:hover {
    border-color: var(--color-accent);
    background: var(--color-accent-soft);
}

/* ═══════════════════════════════════════════
   WORKFLOW / HOW I WORK
═══════════════════════════════════════════ */
.workflow-grid {
    display: flex;
    flex-direction: column;
    gap: 16px;
    max-width: 760px;
    margin: 0 auto;
}
.workflow-item {
    display: flex;
    align-items: flex-start;
    gap: 24px;
    padding: 28px 32px;
    border-radius: var(--radius-md);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    transition: var(--transition);
}
.workflow-item:hover {
    border-color: var(--color-accent);
    box-shadow: var(--shadow-sm);
    transform: translateX(4px);
}
.workflow-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-sm);
    background: var(--color-accent-soft);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.workflow-icon i { font-size: 1.4rem; color: var(--color-accent-dark); }
.workflow-content h4 { font-size: 1rem; margin-bottom: 4px; }
.workflow-content p  { font-size: 0.9rem; margin: 0; }

/* ═══════════════════════════════════════════
   CONTACT
═══════════════════════════════════════════ */
.contact-inner {
    display: grid;
    grid-template-columns: 1fr 1.4fr;
    gap: 80px;
    align-items: center;
}
.contact-heading {
    font-size: clamp(2.2rem, 4vw, 3.2rem);
    margin-bottom: 20px;
    line-height: 1.1;
}
.contact-subtext { font-size: 1rem; line-height: 1.65; }
.contact-right { display: flex; flex-direction: column; gap: 16px; }
.contact-link-card {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 22px 24px;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    background: var(--color-bg-alt);
    transition: var(--transition);
    color: var(--color-text);
}
.contact-link-card:hover {
    border-color: var(--color-accent-dark);
    background: var(--color-bg);
    box-shadow: var(--shadow-sm);
    transform: translateX(4px);
}
.contact-link-card > i:first-child {
    font-size: 1.6rem;
    color: var(--color-accent-dark);
    flex-shrink: 0;
}
.contact-link-card > div {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 2px;
}
.clc-label  { font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--color-text-muted); font-weight: 600; }
.clc-value  { font-size: 0.95rem; font-weight: 500; color: var(--color-text); }
.clc-arrow  { font-size: 1.1rem; color: var(--color-text-muted); flex-shrink: 0; transition: transform 0.3s var(--ease); }
.contact-link-card:hover .clc-arrow { transform: translate(3px, -3px); color: var(--color-accent-dark); }

/* ═══════════════════════════════════════════
   FOOTER
═══════════════════════════════════════════ */
footer {
    padding: 44px 0;
    border-top: 1px solid var(--color-border);
    background: var(--color-bg);
    background: color-mix(in srgb, var(--color-bg) 65%, transparent);
}
.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}
.footer-logo { font-size: 1.3rem; font-weight: 700; letter-spacing: -0.04em; }
.social-links { display: flex; gap: 20px; }
.social-links a { font-size: 1.3rem; color: var(--color-text-muted); transition: var(--transition); }
.social-links a:hover { color: var(--color-text); transform: translateY(-2px); }

/* ═══════════════════════════════════════════
   LIGHTBOX
═══════════════════════════════════════════ */
.lightbox {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 2000;
    background: rgba(20,10,28,0.92);
    backdrop-filter: blur(8px);
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}
.lightbox.show {
    display: flex;
    opacity: 1;
}
.lightbox-content {
    max-width: 90vw;
    max-height: 90vh;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    transform: scale(0.95);
    transition: transform 0.35s var(--ease);
    object-fit: contain;
}
.lightbox.show .lightbox-content { transform: scale(1); }
.close-lightbox {
    position: absolute;
    top: 20px;
    right: 28px;
    color: rgba(255,255,255,0.7);
    font-size: 2.5rem;
    font-weight: 200;
    cursor: pointer;
    line-height: 1;
    transition: color 0.25s;
}
.close-lightbox:hover { color: #fff; }

/* ═══════════════════════════════════════════
   RESPONSIVE
═══════════════════════════════════════════ */
@media (max-width: 960px) {
    .hero-content {
        flex-direction: column;
        text-align: center;
        gap: 40px;
        padding: 40px 0 20px;
    }
    .hero-buttons { justify-content: center; }

    .about-layout {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .about-left { position: static; }
    .about-stats {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 20px;
    }
    .stat-number { font-size: 2rem; }

    .contact-inner {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .exp-layout {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .exp-dot { left: -28px; }
}

@media (max-width: 768px) {
    .section-spacing { padding: 72px 0; }
    .profile-pic { width: 260px; height: 260px; }

    .hamburger { display: block; }
    .nav-links {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: rgba(255,255,255,0.97);
        backdrop-filter: blur(12px);
        flex-direction: column;
        gap: 0;
        border-bottom: 1px solid var(--color-border);
        clip-path: inset(0 0 100% 0);
        transition: clip-path 0.4s var(--ease);
        padding: 0;
    }
    .nav-links.active {
        clip-path: inset(0 0 0 0);
        padding: 12px 0;
    }
    .nav-links li { width: 100%; text-align: center; padding: 14px 0; }

    .service-card { width: 100%; }
    .portfolio-card { width: 100%; min-width: unset; }
    .workflow-item { padding: 22px 20px; }
}

/* ═══════════════════════════════════════════
   INSTAGRAM REELS
═══════════════════════════════════════════ */
.reels-wrapper {
    width: 100%;
    overflow: hidden;
    padding: 32px 0 80px 0;
    cursor: grab;
    position: relative;
    user-select: none;
    -webkit-user-select: none;
    touch-action: pan-y;
}
.reels-wrapper:active {
    cursor: grabbing;
}

.reels-track {
    display: flex;
    gap: 32px;
    padding: 0 40px; 
    width: max-content;
    will-change: transform;
}

/* Skew Entrance */
.skew-enter {
    opacity: 0;
    transform: translateY(80px) skewY(5deg);
    transition: opacity 0.8s cubic-bezier(0.22, 1, 0.36, 1), transform 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}
.skew-enter.in-view {
    opacity: 1;
    transform: translateY(0) skewY(0);
}

.reel-card {
    position: relative;
    width: clamp(240px, 22vw, 320px);
    aspect-ratio: 9/16;
    border-radius: var(--radius-lg);
    overflow: visible;
    transform: perspective(1000px) rotateX(0) rotateY(0) scale(1);
    transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.4s ease;
    flex-shrink: 0;
    z-index: 1;
}

.reel-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--radius-lg);
    box-shadow: 0 4px 24px rgba(0,0,0,0.15);
    pointer-events: none;
}
[data-theme="dark"] .reel-img {
    box-shadow: 0 4px 24px rgba(0,0,0,0.5);
}

/* Glow Border Layer */
.reel-glow {
    position: absolute;
    inset: -3px;
    border-radius: calc(var(--radius-lg) + 3px);
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-soft), var(--color-accent-dark));
    z-index: -1;
    opacity: 0;
    filter: blur(14px);
    transition: opacity 0.4s ease, filter 0.4s ease;
}

/* Persistent glow state */
.reel-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--radius-lg);
    box-shadow: 0 0 12px var(--color-accent-dark);
    opacity: 0.15;
    pointer-events: none;
    transition: opacity 0.4s ease;
}

/* Hover Physics */
.reel-card:hover, .reels-track.is-dragging .reel-card {
    transform: perspective(1000px) translateY(-12px) scale(1.04);
    z-index: 10;
}
.reel-card:hover::before {
    opacity: 0.6;
}
.reel-card:hover .reel-glow {
    opacity: 0.7;
    filter: blur(18px);
}

/* Reels Modal (Shared Element Expansion) */
#reelsModal {
    position: fixed;
    inset: 0;
    z-index: 9999;
    display: flex;
    justify-content: center;
    align-items: center;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.4s ease;
}
#reelsModal.active {
    pointer-events: auto;
    opacity: 1;
}
.reels-modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(15, 11, 20, 0.85);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
}
.reels-modal-content {
    position: absolute;
    z-index: 2;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    /* Transformation logic handled by JS */
}
.reels-modal-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.reels-modal-close {
    position: absolute;
    top: 24px;
    right: 24px;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: rgba(255,255,255,0.1);
    color: #fff;
    border: 1px solid rgba(255,255,255,0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    cursor: pointer;
    backdrop-filter: blur(10px);
    transition: var(--transition);
    z-index: 3;
    opacity: 0;
    transform: scale(0.8);
}
#reelsModal.active .reels-modal-close {
    opacity: 1;
    transform: scale(1);
    transition-delay: 0.3s;
}
.reels-modal-close:hover {
    background: rgba(255,255,255,0.2);
    transform: scale(1.05) !important;
}

/* ── Reel Text Overlay for Portfolio Cards ── */
.reel-text-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 40px 20px 24px;
    background: linear-gradient(to top, rgba(15,11,20,0.95) 0%, rgba(15,11,20,0.6) 60%, transparent 100%);
    color: #fff;
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
    opacity: 0;
    transform: translateY(16px);
    transition: all 0.4s cubic-bezier(0.22, 1, 0.36, 1);
    pointer-events: none;
    text-align: center;
}
.reel-card:hover .reel-text-overlay, .reels-track.is-dragging .reel-card .reel-text-overlay {
    opacity: 1;
    transform: translateY(0);
}
.reel-text-overlay h3 { 
    font-size: 1.1rem; 
    margin-bottom: 6px; 
    color: #fff; 
    font-weight: 600;
}
.reel-text-overlay p { 
    font-size: 0.85rem; 
    color: rgba(255,255,255,0.85); 
    line-height: 1.4; 
    margin: 0;
}

/* ── Landscape Variant for Portfolio cards ── */
.reel-card.landscape {
    width: clamp(340px, 40vw, 480px);
    aspect-ratio: 4 / 3;
}

/* ═══════════════════════════════════════════════════════
   PROFESSIONAL CREDENTIALS
═══════════════════════════════════════════════════════ */
.credentials {
    background: var(--color-bg-alt);
    color: var(--color-text);
}

.cred-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 32px;
    align-items: start;
    perspective: 1500px;
    max-width: 1000px;
    margin: 0 auto;
}

@media (min-width: 768px) {
    .cred-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .cred-hero {
        grid-column: 1 / -1;
    }
}

.cred-card {
    position: relative;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    cursor: pointer;
    transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.4s ease, border-color 0.4s ease;
    transform-style: preserve-3d;
    will-change: transform;
}

.cred-card:hover {
    box-shadow: var(--shadow-lg);
    border-color: var(--color-accent);
}

.cred-card img {
    width: 100%;
    display: block;
    object-fit: cover;
    pointer-events: none;
    transform: translateZ(20px); /* 6DOF popout */
    transition: transform 0.4s;
    background: var(--color-bg);
}

/* Hero Variant (BLEPT) */
.cred-hero {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 380px;
    text-align: center;
    padding: 40px;
}
.cred-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 70% 30%, var(--color-accent), transparent 60%);
    opacity: 0.15;
    pointer-events: none;
}

.cred-hologram {
    position: absolute;
    inset: -100%;
    background: conic-gradient(
        from 0deg,
        transparent 0deg,
        var(--color-border) 60deg,
        var(--color-accent) 120deg,
        var(--color-border) 180deg,
        transparent 240deg
    );
    transform: translateZ(0px);
    opacity: 0;
    transition: opacity 0.5s ease;
    pointer-events: none;
    mix-blend-mode: screen;
}

.cred-card.cred-hero:hover .cred-hologram {
    opacity: 1;
    animation: holoSpin 6s linear infinite;
}

@keyframes holoSpin {
    100% { transform: rotate(360deg); }
}

.cred-hero h3 {
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 12px;
    background: linear-gradient(135deg, var(--color-text), var(--color-accent));
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    transform: translateZ(40px);
    letter-spacing: -0.5px;
}

.cred-hero p {
    font-size: 1.15rem;
    color: var(--color-text-muted);
    transform: translateZ(25px);
}

.cred-verified {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 32px;
    padding: 8px 18px;
    border-radius: 30px;
    background: var(--color-bg-alt);
    color: var(--color-accent);
    font-size: 0.95rem;
    font-weight: 600;
    border: 1px solid var(--color-border);
    opacity: 0;
    transform: translateZ(50px) translateY(15px);
    transition: all 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}

.cred-card.cred-hero:hover .cred-verified {
    opacity: 1;
    transform: translateZ(50px) translateY(0);
}

/* Modal snap styling */
.cred-modal {
    position: fixed;
    inset: 0;
    z-index: 9999;
    pointer-events: none;
    display: flex;
    align-items: center;
    justify-content: center;
    perspective: 1500px;
}

.cred-modal.active {
    pointer-events: auto;
}

.cred-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    opacity: 0;
    transition: opacity 0.5s ease;
}

.cred-modal.active .cred-backdrop {
    opacity: 1;
}

.cred-modal-box {
    position: relative;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    transform-origin: center center;
    will-change: transform, opacity;
    display: flex;
    flex-direction: column;
    max-height: 90vh;
}

.cred-modal-img {
    width: 100%;
    max-height: 60vh;
    object-fit: contain;
    background: var(--color-bg);
}

.cred-modal-info {
    padding: 32px 40px;
    text-align: center;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.5s 0.25s cubic-bezier(0.22, 1, 0.36, 1);
    flex-shrink: 0;
}

.cred-modal.active .cred-modal-info {
    opacity: 1;
    transform: translateY(0);
}

.cred-modal-info h3 {
    font-size: 1.6rem;
    color: var(--color-text);
    margin-bottom: 8px;
    font-weight: 600;
}

.cred-modal-info p {
    font-size: 1.05rem;
    color: var(--color-text-muted);
    margin: 0;
    line-height: 1.5;
}

.cred-close {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 44px; height: 44px;
    border-radius: 50%;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    color: var(--color-text);
    font-size: 1.4rem;
    cursor: pointer;
    backdrop-filter: blur(8px);
    transition: 0.3s cubic-bezier(0.22, 1, 0.36, 1);
    opacity: 0;
    transform: scale(0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
}
.cred-modal.active .cred-close {
    opacity: 1;
    transform: scale(1);
    transition-delay: 0.3s;
}
.cred-close:hover {
    background: rgba(255,255,255,0.2);
    transform: scale(1.05) !important;
}