/* ================================================
   SHOW-STOPPER PORTFOLIO
   Inspired by jeton.com - Smooth, Premium, Glass
   ================================================ */

/* ================================================
   VARIABLES
   ================================================ */
:root {
    --bg: #050508;
    --bg-glass: rgba(255, 255, 255, 0.02);
    --bg-glass-strong: rgba(255, 255, 255, 0.05);
    --border-glass: rgba(255, 255, 255, 0.08);
    --border-glow: rgba(20, 184, 166, 0.4);

    --text: #ffffff;
    --text-soft: rgba(255, 255, 255, 0.7);
    --text-muted: rgba(255, 255, 255, 0.4);

    --accent: #14b8a6;
    --accent-glow: rgba(20, 184, 166, 0.5);
    --gradient: linear-gradient(135deg, #14b8a6 0%, #06b6d4 50%, #8b5cf6 100%);

    --ease: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-out: cubic-bezier(0.33, 1, 0.68, 1);
    --duration: 0.6s;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

/* Ambient glow background */
body::before {
    content: '';
    position: fixed;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background:
        radial-gradient(ellipse 40% 40% at 30% 20%, rgba(20, 184, 166, 0.08), transparent 60%),
        radial-gradient(ellipse 50% 50% at 70% 80%, rgba(139, 92, 246, 0.05), transparent 60%);
    animation: ambient-drift 20s ease-in-out infinite;
    pointer-events: none;
    z-index: -1;
}

@keyframes ambient-drift {

    0%,
    100% {
        transform: translate(0, 0) rotate(0deg);
    }

    50% {
        transform: translate(20px, 20px) rotate(5deg);
    }
}

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

/* ================================================
   HEADER - FLOATING GLASS
   ================================================ */
header {
    position: fixed;
    top: 1rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1000;
    width: calc(100% - 2rem);
    max-width: 1200px;
    background: var(--bg-glass-strong);
    backdrop-filter: blur(40px) saturate(150%);
    -webkit-backdrop-filter: blur(40px) saturate(150%);
    border: 1px solid var(--border-glass);
    border-radius: 16px;
    padding: 0.75rem 1.5rem;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 48px;
}

.nav-container h1 {
    font-size: 1.125rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: rgba(255, 255, 255, 0.9);
    text-shadow: none;
    background: none;
    -webkit-text-fill-color: initial;
    filter: none;
    transform: none;
}

nav ul {
    display: flex;
    gap: 2rem;
    list-style: none;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    padding: 0;
    margin: 0;
    background: transparent;
    border: none;
    backdrop-filter: none;
}

nav ul li {
    position: relative;
}

/* Vertical Separator */
nav ul li:not(:last-child)::after {
    content: '';
    position: absolute;
    right: -1rem;
    /* Center in the 2rem gap */
    top: 50%;
    transform: translateY(-50%);
    width: 1px;
    height: 24px;
    background: rgba(255, 255, 255, 0.1);
}

nav ul li a {
    position: relative;
    display: flex;
    align-items: center;
    padding: 0.5rem 0;
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    transition: all 0.3s var(--ease);
}

/* Hover State */
nav ul li a:hover {
    color: var(--accent) !important;
    text-shadow: 0 0 15px var(--accent-glow) !important;
    transform: scale(1.1);
    background: none !important;
    border: none !important;
    box-shadow: none !important;
}

/* Remove old accents */
nav ul li a::before,
nav ul li a::after {
    display: none;
}



.social-links {
    display: flex;
    gap: 0.5rem;
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: 12px;
    transition: all 0.3s var(--ease);
    overflow: visible;
}

.social-links a:hover {
    background: var(--bg-glass-strong);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.social-icon {
    width: 26px;
    height: 26px;
    filter: drop-shadow(0 2px 3px rgba(0, 0, 0, 0.5));
    transition: all 0.3s var(--ease);
    overflow: visible;
}

.social-links a:hover .social-icon {
    filter: drop-shadow(0 4px 5px rgba(0, 0, 0, 0.6)) brightness(1.2);
    transform: scale(1.05);
}

/* ================================================
   HERO - CINEMATIC
   ================================================ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 6rem 2rem;
    overflow: visible;
    /* Allow glow to extend */
    background: transparent;
    /* Let body bg show through */
    /* Match pinned section */
    margin-bottom: 0;
    /* No gap */
    z-index: 2;
    /* Above pinned section */
}

.hero-glow {
    position: absolute;
    top: 20%;
    left: 50%;
    transform: translateX(-50%);
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(20, 184, 166, 0.15) 0%, transparent 60%);
    filter: blur(80px);
    pointer-events: none;
    animation: glow-pulse 8s ease-in-out infinite;
}

@keyframes glow-pulse {

    0%,
    100% {
        opacity: 1;
        transform: translateX(-50%) scale(1);
    }

    50% {
        opacity: 0.6;
        transform: translateX(-50%) scale(1.2);
    }
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 900px;
    overflow: visible;
}

.hero-tag {
    display: inline-block;

    /* Conversational Text Style */
    background: none;
    border: none;
    padding: 0;

    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    color: #B2B2B2;

    margin-bottom: 1rem;
    opacity: 0;
    animation: reveal-up 1s var(--ease) 0.2s forwards;
}

/* Line removed */
/* .hero-tag::before { ... } */

.hero-title {
    font-size: clamp(4rem, 12vw, 9rem);
    font-weight: 700;
    line-height: 0.95;
    letter-spacing: -0.04em;
    margin-bottom: 2rem;
}

.title-line {
    display: block;
    opacity: 0;
    animation: reveal-up 1s var(--ease) forwards;
}

.title-line:nth-child(1) {
    animation-delay: 0.4s;
}

.title-line:nth-child(2) {
    animation-delay: 0.6s;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    padding-bottom: 0.15em;
    /* Space for descenders (p, y) without affecting line gap */
}

.hero-sub {
    font-size: 1.25rem;
    color: var(--text-soft);
    max-width: 600px;
    margin: 0 auto 3rem;
    line-height: 1.7;
    opacity: 0;
    animation: reveal-up 1s var(--ease) 0.8s forwards;
}

.hero-sub strong {
    color: var(--text);
    font-weight: 500;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    justify-content: center;
    opacity: 0;
    animation: reveal-up 1s var(--ease) 1s forwards;
}

/* ================================================
   BUTTONS - PREMIUM
   ================================================ */
.cta-primary {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 2rem;
    background: var(--accent);
    color: #000;
    font-weight: 600;
    font-size: 0.9375rem;
    border-radius: 14px;
    transition: all 0.4s var(--ease);
    position: relative;
    overflow: hidden;
}

.cta-primary::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, transparent 0%, rgba(255, 255, 255, 0.2) 50%, transparent 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.cta-primary:hover {
    transform: translateY(-4px);
    box-shadow:
        0 20px 40px rgba(20, 184, 166, 0.3),
        0 0 60px rgba(20, 184, 166, 0.2);
}

.cta-primary:hover::before {
    opacity: 1;
}

.cta-primary svg {
    transition: transform 0.3s var(--ease);
}

.cta-primary:hover svg {
    transform: translateX(4px);
}

.cta-ghost {
    display: inline-flex;
    align-items: center;
    padding: 1rem 2rem;
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-glass);
    color: var(--text);
    font-weight: 600;
    font-size: 0.9375rem;
    border-radius: 14px;
    transition: all 0.4s var(--ease);
}

.cta-ghost:hover {
    background: var(--bg-glass-strong);
    border-color: var(--border-glow);
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

/* Legacy buttons */
.btn-primary {
    display: inline-flex;
    align-items: center;
    padding: 0.875rem 1.75rem;
    background: var(--accent);
    color: #000;
    font-weight: 600;
    font-size: 0.9375rem;
    border-radius: 12px;
    transition: all 0.3s var(--ease);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(20, 184, 166, 0.3);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    padding: 0.875rem 1.75rem;
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    color: var(--text);
    font-weight: 600;
    font-size: 0.9375rem;
    border-radius: 12px;
    transition: all 0.3s var(--ease);
}

.btn-secondary:hover {
    border-color: var(--accent);
    transform: translateY(-3px);
}

/* ================================================
   REVEAL SECTIONS
   ================================================ */
.reveal-section {
    padding: 10rem 2rem;
    position: relative;
}

.section-dark {
    background: rgba(255, 255, 255, 0.01);
}

.section-inner {
    max-width: 1200px;
    margin: 0 auto;
}

.section-center {
    text-align: center;
}

.section-heading {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    letter-spacing: -0.03em;
    margin-bottom: 4rem;
    text-align: center;
}

/* ================================================
   REVEAL ANIMATIONS
   ================================================ */
@keyframes reveal-up {
    from {
        opacity: 0;
        transform: translateY(60px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes reveal-scale {
    from {
        opacity: 0;
        transform: scale(0.9) translateY(40px);
    }

    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.reveal-item {
    opacity: 0;
    transform: translateY(60px);
    transition: all 0.8s var(--ease);
    transition-delay: var(--delay, 0s);
}

.reveal-item.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ================================================
   PINNED SCROLL SECTIONS
   ================================================ */
.pinned-section {
    height: 200vh;
    /* extended track: 100vh viewport + 100vh scrollable area */
    position: relative;
    background: transparent;
    z-index: 1;
}

.pin-container {
    position: sticky;
    top: 0;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: transparent;
    /* Let glow through */
}

.pin-content {
    text-align: center;
    max-width: 1200px;
    padding: 2rem;
    width: 100%;
}

/* Staggered words animation */
.stagger-words {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    /* More spacing between words */
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.word {
    font-size: clamp(3rem, 6vw, 6rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    opacity: 0;
    transform: translateY(150px);
    /* No transition - controlled by scroll scrub */
    visibility: hidden;
}

.word.visible {
    opacity: 1;
    transform: translateY(0);
    visibility: visible;
}

/* Cards from sides */
.cards-from-sides {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    max-width: 600px;
    margin: 0 auto;
}

.side-card {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 2rem;
    background: var(--bg-glass);
    backdrop-filter: blur(40px);
    border: 1px solid var(--border-glass);
    border-radius: 20px;
    text-align: left;

    /* Variable-based transforms for conflict-free JS + Hover */
    --tx: 0px;
    --scale: 1;
    --hover-scale: 1;
    transform: translateX(var(--tx)) scale(calc(var(--scale) * var(--hover-scale)));

    opacity: 0;
    /* transition handled by JS (none) or specific property */
    transition: border-color 0.3s ease, box-shadow 0.3s ease, transform 0.1s linear;
}

.side-card.visible {
    opacity: 1;
    transform: translateX(0);
}

.side-card[data-order="5"] {
    transition-delay: 0.15s;
}

.side-card[data-order="6"] {
    transition-delay: 0.3s;
}

.side-card:hover {
    border-color: var(--border-glow);
    --hover-scale: 1.02;
    /* Only update the multiplier */
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.card-icon-wrap {
    flex-shrink: 0;
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(20, 184, 166, 0.2), rgba(20, 184, 166, 0.05));
    border: 1px solid rgba(20, 184, 166, 0.3);
    border-radius: 16px;
    color: var(--accent);
}

.side-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.side-card p {
    font-size: 0.9375rem;
    color: var(--text-soft);
    line-height: 1.5;
}

/* ================================================
   SOLAR SYSTEM TECH
   ================================================ */
.tech-section {
    min-height: 300vh;
    /* Taller for scroll-linked animation with all phases */
    padding: 0 2rem;
    display: flex;
    align-items: flex-start;
    /* Start from top */
    justify-content: center;
    position: relative;
    z-index: 10;
    /* Above explore section during overlap */
}

.tech-inner {
    text-align: center;
    width: 100%;
    padding-top: 25vh;
    /* Extra space to prevent orbits overlapping title */
    position: sticky;
    top: 0;
    height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
}

/* Tech section title - special scroll-linked animation */
.tech-section .section-title {
    position: fixed;
    top: 70%;
    left: 50%;
    transform: translate(-50%, -50%) scale(1.8);
    margin-bottom: 0;
    z-index: 100;
    pointer-events: none;
    transition: none;
    /* Pure scroll-based, no time-based transitions */
    /* Initial state - hidden (no !important so JS can override) */
    opacity: 0;
    visibility: hidden;
}

.tech-section .section-title.visible {
    visibility: visible;
    opacity: unset !important;
    /* Override base class, let JS control */
}

.solar-system {
    position: relative;
    width: 500px;
    height: 500px;
    margin: 4rem auto 0;
}

/* Explosion shockwave background */
.solar-system::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(20, 184, 166, 0.3) 0%, transparent 70%);
    border-radius: 50%;
    opacity: 0;
    transition: none;
}

.solar-system.exploding::before {
    animation: shockwave 0.8s var(--ease) forwards;
}

@keyframes shockwave {
    0% {
        transform: translate(-50%, -50%) scale(0);
        opacity: 1;
    }

    100% {
        transform: translate(-50%, -50%) scale(2);
        opacity: 0;
    }
}

/* === SUN === */
.sun {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 100px;
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--accent), #0d9488);
    border-radius: 50%;
    font-size: 1rem;
    font-weight: 700;
    color: #000;
    box-shadow: 0 0 60px var(--accent-glow);
    opacity: 0;
    transform: translate(-50%, -50%) scale(0);
    transition: none;
    /* Scroll-based only */
}

.sun.visible {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
}

.sun.glowing {
    animation: sun-glow 1.5s ease-in-out;
}

.sun.exploding {
    animation: sun-explode 0.6s var(--ease);
}

@keyframes sun-glow {

    0%,
    100% {
        box-shadow: 0 0 60px var(--accent-glow);
        transform: translate(-50%, -50%) scale(1);
    }

    50% {
        box-shadow: 0 0 120px var(--accent-glow), 0 0 200px rgba(20, 184, 166, 0.3);
        transform: translate(-50%, -50%) scale(1.15);
    }
}

@keyframes sun-explode {
    0% {
        transform: translate(-50%, -50%) scale(1);
    }

    30% {
        transform: translate(-50%, -50%) scale(1.3);
    }

    100% {
        transform: translate(-50%, -50%) scale(1);
    }
}

/* === ORBITS === */
.orbit {
    position: absolute;
    top: 50%;
    left: 50%;
    border: 1px dashed var(--border-glass);
    border-radius: 50%;
    opacity: 0;
    transform: translate(-50%, -50%) scale(0);
    transition: none;
    /* Scroll-based only */
    pointer-events: none;
    /* Don't block planets underneath */
}

.orbit-1 {
    width: 280px;
    height: 280px;
}

.orbit-2 {
    width: 440px;
    height: 440px;
}

.orbit.visible {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
}

/* === PLANETS === */
.planet {
    position: absolute;
    top: 50%;
    left: 50%;
    padding: 0.625rem 1.25rem;
    background: var(--bg-glass-strong);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-glass);
    border-radius: 100px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-soft);
    white-space: nowrap;
    opacity: 0 !important;
    visibility: hidden;
    --radius: 0px;
    transform: translate(-50%, -50%) scale(0.3);
    transition: none;
    /* Scroll-based only */
    pointer-events: auto;
    /* Make planets hoverable */
}

.planet.visible {
    opacity: 1 !important;
    visibility: visible;
    --radius: 140px;
    transform: translate(-50%, -50%) rotate(var(--start)) translateX(var(--radius)) rotate(calc(-1 * var(--start))) scale(1);
}

.orbit-2 .planet.visible {
    --radius: 220px;
}

.planet:hover,
.orbit-1 .planet:hover,
.orbit-2 .planet:hover {
    background: linear-gradient(135deg, rgba(20, 184, 166, 0.25), rgba(20, 184, 166, 0.1));
    border-color: var(--accent);
    color: #fff;
    box-shadow:
        0 0 40px var(--accent-glow),
        0 0 80px rgba(20, 184, 166, 0.4),
        inset 0 0 20px rgba(20, 184, 166, 0.1);
    transform: translate(-50%, -50%) rotate(var(--start)) translateX(var(--radius)) rotate(calc(-1 * var(--start))) scale(1.25) !important;
    z-index: 10;
}

@keyframes planet-pulse {
    0% {
        box-shadow: 0 0 30px var(--accent-glow), 0 0 60px rgba(20, 184, 166, 0.3);
    }

    100% {
        box-shadow: 0 0 40px var(--accent-glow), 0 0 80px rgba(20, 184, 166, 0.4);
    }
}

/* ================================================
   REVEAL ANIMATIONS
   ================================================ */
.reveal-up {
    opacity: 0;
    transform: translateY(60px);
    transition: all 0.8s var(--ease);
    transition-delay: var(--delay, 0s);
}

.reveal-up.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ================================================
   SHOWCASE - HORIZONTAL SCROLL SECTION
   ================================================ */
.showcase {
    min-height: 100vh;
    padding: 6rem 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.showcase-header {
    text-align: center;
    padding: 0 2rem;
    margin-bottom: 4rem;
}

.showcase-header h2 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    letter-spacing: -0.03em;
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s var(--ease);
}

.showcase-header h2.visible {
    opacity: 1;
    transform: translateY(0);
}

.horizontal-scroll {
    width: 100%;
    overflow-x: auto;
    overflow-y: hidden;
    scrollbar-width: none;
    -ms-overflow-style: none;
    padding: 2rem 0;
}

.horizontal-scroll::-webkit-scrollbar {
    display: none;
}

.scroll-track {
    display: flex;
    gap: 2rem;
    padding: 0 max(2rem, calc((100vw - 1200px) / 2));
    width: max-content;
}

.showcase-card {
    flex: 0 0 380px;
    padding: 3rem;
    background: var(--bg-glass);
    backdrop-filter: blur(40px);
    border: 1px solid var(--border-glass);
    border-radius: 32px;
    transform: perspective(1000px) rotateY(5deg) translateZ(-50px);
    opacity: 0;
    transition: all 0.8s var(--ease);
}

.showcase-card[data-direction="left"] {
    transform: perspective(1000px) rotateY(10deg) translateX(-100px);
}

.showcase-card[data-direction="right"] {
    transform: perspective(1000px) rotateY(-10deg) translateX(100px);
}

.showcase-card[data-direction="up"] {
    transform: perspective(1000px) rotateX(-10deg) translateY(100px);
}

.showcase-card.visible {
    opacity: 1;
    transform: perspective(1000px) rotateY(0) rotateX(0) translateX(0) translateY(0) translateZ(0);
}

.showcase-card:hover:not(.about-projects .showcase-card):not(.side-card):not(.center-card) {
    transform: perspective(1000px) translateY(-20px) scale(1.05) !important;
    border-color: var(--border-glow);
    box-shadow:
        0 50px 100px rgba(0, 0, 0, 0.4),
        0 0 80px rgba(20, 184, 166, 0.15);
}

.card-visual {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(20, 184, 166, 0.2), rgba(20, 184, 166, 0.05));
    border: 1px solid rgba(20, 184, 166, 0.3);
    border-radius: 20px;
    margin-bottom: 2rem;
    color: var(--accent);
    transition: all 0.4s var(--ease);
}

.showcase-card:hover .card-visual {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 0 40px var(--accent-glow);
}

.showcase-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.showcase-card p {
    font-size: 1rem;
    color: var(--text-soft);
    line-height: 1.7;
}

/* ================================================
   EXPLORE SECTION - TILES
   ================================================ */
.explore-section {
    min-height: 250vh;
    /* Taller for scroll-linked animation */
    padding: 0 2rem;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    position: relative;
    z-index: 5;
    background: transparent;
}

/* Fixed Title for Explore (Matches Tech) */
.explore-section .section-title {
    position: fixed;
    top: 70%;
    left: 50%;
    transform: translate(-50%, -50%) scale(1.4);
    margin-bottom: 0;
    z-index: 100;
    pointer-events: none;
    transition: none;
    /* Pure scroll control */
    opacity: 0;
    /* JS controls this */
    width: 100%;
    text-align: center;
}

/* Reset removed - JS handles styles directly */

/* Underline restored to match Technologies title logic */
/* .explore-section .section-title::after { display: none; } */

.explore-inner {
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
    position: sticky;
    top: 0;
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding-top: 30vh;
    /* Push grid down below the title area */
}

.section-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    letter-spacing: -0.03em;
    text-align: center;
    margin-bottom: 4rem;
    /* Creative title animation - starts BIG and shrinks */
    opacity: 0 !important;
    visibility: hidden;
    transform: scale(1.4) translateY(-20px);
    transition: all 0.8s var(--ease);
}

.section-title.visible {
    opacity: 1 !important;
    visibility: visible;
    transform: scale(1) translateY(0);
}

/* Add gradient underline animation */
.section-title::after {
    content: '';
    display: block;
    width: 0;
    height: 3px;
    margin: 1rem auto 0;
    background: var(--gradient);
    border-radius: 2px;
    transition: width 0.6s var(--ease) 0.3s;
}

.section-title.visible::after {
    width: 120px;
}

.explore-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.explore-tile {
    position: relative;
    padding: 2.5rem;
    min-height: 200px;
    background: var(--bg-glass);
    backdrop-filter: blur(40px);
    border: 1px solid var(--border-glass);
    border-radius: 28px;
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    overflow: hidden;
    transition: all 0.8s var(--ease);
    /* 3D Flip from random angles */
    opacity: 0 !important;
    visibility: hidden;
    transform: perspective(1000px) rotateX(30deg) rotateY(-20deg) scale(0.8);
    transform-origin: center center;
}

.explore-tile:nth-child(1) {
    transform: perspective(1000px) rotateX(-25deg) rotateY(25deg) scale(0.8);
}

.explore-tile:nth-child(2) {
    transform: perspective(1000px) rotateX(25deg) rotateY(-25deg) scale(0.8);
}

.explore-tile:nth-child(3) {
    transform: perspective(1000px) rotateX(-15deg) rotateY(0deg) translateY(100px) scale(0.9);
}

.explore-tile.visible {
    opacity: 1 !important;
    visibility: visible;
    transform: perspective(1000px) rotateX(0) rotateY(0) translateY(0) scale(1);
}

.explore-tile::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--tile-color, rgba(20, 184, 166, 0.1)) 0%, transparent 60%);
    opacity: 0;
    transition: opacity 0.5s ease;
}

.explore-tile[data-color="teal"] {
    --tile-color: rgba(20, 184, 166, 0.15);
}

.explore-tile[data-color="purple"] {
    --tile-color: rgba(139, 92, 246, 0.15);
}

.explore-tile[data-color="blue"] {
    --tile-color: rgba(59, 130, 246, 0.15);
}

.explore-tile:hover {
    transform: translateY(-12px) scale(1.02);
    border-color: var(--border-glow);
    box-shadow:
        0 40px 80px rgba(0, 0, 0, 0.4),
        0 0 60px rgba(20, 184, 166, 0.1);
}

.explore-tile:hover::before {
    opacity: 1;
}

.tile-wide {
    grid-column: span 2;
}

.tile-content {
    position: relative;
    z-index: 1;
}

.tile-label {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 0.75rem;
}

.explore-tile h3 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.explore-tile p {
    font-size: 1rem;
    color: var(--text-muted);
}

.tile-arrow {
    font-size: 2rem;
    color: var(--text-muted);
    transition: all 0.4s var(--ease);
    position: relative;
    z-index: 1;
}

.explore-tile:hover .tile-arrow {
    color: var(--accent);
    transform: translateX(12px);
}

/* Legacy orbit styles (may be used elsewhere) */
.tech-orbit {
    position: relative;
    width: 500px;
    height: 500px;
    margin: 0 auto;
}

.orbit-ring {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border: 1px solid var(--border-glass);
    border-radius: 50%;
    animation: orbit-rotate 30s linear infinite;
}

.ring-1 {
    width: 400px;
    height: 400px;
    animation-duration: 40s;
}

.ring-2 {
    width: 280px;
    height: 280px;
    animation-duration: 30s;
    animation-direction: reverse;
}

@keyframes orbit-rotate {
    from {
        transform: translate(-50%, -50%) rotate(0deg);
    }

    to {
        transform: translate(-50%, -50%) rotate(360deg);
    }
}

.tech-node {
    position: absolute;
    top: 50%;
    left: 50%;
    padding: 0.75rem 1.5rem;
    background: var(--bg-glass-strong);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-glass);
    border-radius: 100px;
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--text-soft);
    white-space: nowrap;
    transform: translate(-50%, -50%) rotate(calc(var(--angle))) translateX(200px) rotate(calc(-1 * var(--angle)));
    transition: all 0.4s var(--ease);
    animation: counter-rotate 40s linear infinite;
}

.ring-2 .tech-node {
    transform: translate(-50%, -50%) rotate(calc(var(--angle))) translateX(140px) rotate(calc(-1 * var(--angle)));
    animation: counter-rotate-reverse 30s linear infinite;
}

@keyframes counter-rotate {
    from {
        transform: translate(-50%, -50%) rotate(calc(var(--angle))) translateX(200px) rotate(calc(-1 * var(--angle)));
    }

    to {
        transform: translate(-50%, -50%) rotate(calc(var(--angle) - 360deg)) translateX(200px) rotate(calc(-1 * var(--angle) + 360deg));
    }
}

@keyframes counter-rotate-reverse {
    from {
        transform: translate(-50%, -50%) rotate(calc(var(--angle))) translateX(140px) rotate(calc(-1 * var(--angle)));
    }

    to {
        transform: translate(-50%, -50%) rotate(calc(var(--angle) + 360deg)) translateX(140px) rotate(calc(-1 * var(--angle) - 360deg));
    }
}

.tech-node:hover {
    background: rgba(20, 184, 166, 0.2);
    border-color: var(--accent);
    color: var(--accent);
    box-shadow: 0 0 30px var(--accent-glow);
    z-index: 10;
}

.orbit-center {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 120px;
    height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-glass-strong);
    backdrop-filter: blur(30px);
    border: 1px solid var(--border-glass);
    border-radius: 50%;
    font-size: 1rem;
    font-weight: 600;
    text-align: center;
    line-height: 1.3;
    color: var(--accent);
}

/* ================================================
   GLASS CARDS
   ================================================ */
.card-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.glass-card {
    position: relative;
    padding: 2.5rem;
    background: var(--bg-glass);
    backdrop-filter: blur(40px);
    border: 1px solid var(--border-glass);
    border-radius: 24px;
    transition: all 0.5s var(--ease);
    overflow: hidden;
}

.glass-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(20, 184, 166, 0.1) 0%, transparent 50%);
    opacity: 0;
    transition: opacity 0.5s ease;
}

.glass-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
}

.glass-card:hover {
    transform: translateY(-12px) scale(1.02);
    border-color: var(--border-glow);
    box-shadow:
        0 40px 80px rgba(0, 0, 0, 0.4),
        0 0 60px rgba(20, 184, 166, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.glass-card:hover::before {
    opacity: 1;
}

.card-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    background: var(--bg-glass-strong);
    border: 1px solid var(--border-glass);
    border-radius: 16px;
    margin-bottom: 1.5rem;
    color: var(--accent);
    transition: all 0.4s var(--ease);
}

.glass-card:hover .card-icon {
    background: rgba(20, 184, 166, 0.15);
    border-color: var(--accent);
    transform: scale(1.1);
    box-shadow: 0 0 30px rgba(20, 184, 166, 0.3);
}

.glass-card h3 {
    font-size: 1.375rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    position: relative;
}

.glass-card p {
    font-size: 1rem;
    color: var(--text-soft);
    line-height: 1.7;
    position: relative;
}

/* ================================================
   LINK CARDS
   ================================================ */
.link-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.link-card {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 2rem;
    min-height: 200px;
    background: var(--bg-glass);
    backdrop-filter: blur(40px);
    border: 1px solid var(--border-glass);
    border-radius: 24px;
    transition: all 0.5s var(--ease);
    position: relative;
    overflow: hidden;
}

.link-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(20, 184, 166, 0.08) 0%, transparent 50%);
    opacity: 0;
    transition: opacity 0.5s ease;
}

.link-card:hover {
    transform: translateY(-10px);
    border-color: var(--border-glow);
    box-shadow:
        0 30px 60px rgba(0, 0, 0, 0.3),
        0 0 40px rgba(20, 184, 166, 0.1);
}

.link-card:hover::before {
    opacity: 1;
}

.link-content {
    position: relative;
}

.link-label {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 0.75rem;
}

.link-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.link-card p {
    font-size: 0.9375rem;
    color: var(--text-muted);
}

.link-arrow {
    font-size: 1.5rem;
    color: var(--text-muted);
    transition: all 0.4s var(--ease);
    position: relative;
}

.link-card:hover .link-arrow {
    color: var(--accent);
    transform: translateX(8px);
}

/* ================================================
   TECH PILLS
   ================================================ */
.tech-wrap {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
    max-width: 900px;
    margin: 0 auto;
}

.tech-pill {
    padding: 0.75rem 1.5rem;
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-glass);
    border-radius: 100px;
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--text-soft);
    cursor: default;
    transition: all 0.4s var(--ease);
}

.tech-pill:hover {
    background: rgba(20, 184, 166, 0.1);
    border-color: var(--accent);
    color: var(--accent);
    transform: translateY(-4px) scale(1.05);
    box-shadow: 0 10px 30px rgba(20, 184, 166, 0.2);
}

.tech-large {
    font-size: 1.125rem;
    padding: 1rem 2rem;
}

.tech-medium {
    font-size: 1rem;
    padding: 0.875rem 1.75rem;
}

/* ================================================
   PAGE HEADER
   ================================================ */
.page-header {
    padding: 10rem 2rem 4rem;
    text-align: center;
    position: relative;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 400px;
    background: radial-gradient(circle, rgba(20, 184, 166, 0.1) 0%, transparent 60%);
    filter: blur(60px);
    pointer-events: none;
}

.page-header h1 {
    font-size: clamp(3rem, 8vw, 5rem);
    font-weight: 700;
    letter-spacing: -0.03em;
    margin-bottom: 1rem;
    position: relative;
}

.page-header p {
    font-size: 1.25rem;
    color: var(--text-soft);
    position: relative;
}

/* ================================================
   CONTENT SECTIONS
   ================================================ */
.section {
    padding: 6rem 2rem;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
}

.content-section {
    padding: 4rem 2rem 8rem;
}

.content-wrapper {
    max-width: 900px;
    margin: 0 auto;
}

.content-wrapper h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-top: 4rem;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-glass);
    --heading-progress: 0;
    /* Scroll-based reveal */
    opacity: var(--heading-progress);
    transform: translateY(calc(30px * (1 - var(--heading-progress))));
    position: relative;
}

.content-wrapper h2::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    height: 2px;
    width: calc(var(--heading-progress) * 100%);
    background: var(--gradient);
    border-radius: 2px;
}

.content-wrapper h2:first-child {
    margin-top: 0;
}

/* ================================================
   TIMELINE
   ================================================ */
.timeline {
    position: relative;
    padding-left: 3rem;
    --line-progress: 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom,
            var(--accent) 0%,
            var(--accent) calc(var(--line-progress) * 100%),
            var(--border-glass) calc(var(--line-progress) * 100%),
            transparent 100%);
    transition: background 0.1s ease;
}

.timeline-item {
    position: relative;
    padding-bottom: 2.5rem;
    --item-progress: 0;
    /* Item wrapper is always visible */
}

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

/* Dot - always visible, pulses when line reaches it */
.timeline-item::before {
    content: '';
    position: absolute;
    left: -3rem;
    top: 0.5rem;
    width: 14px;
    height: 14px;
    background: var(--bg-dark);
    border: 2px solid var(--border-glass);
    border-radius: 50%;
    transform: translateX(-50%) scale(calc(0.8 + 0.2 * var(--item-progress)));
    box-shadow: 0 0 calc(var(--item-progress) * 30px) var(--accent-glow);
    transition: border-color 0.3s ease, background 0.3s ease;
}

.timeline-item.visible::before {
    background: var(--accent);
    border-color: var(--accent);
}

/* Inner ring effect */
.timeline-item::after {
    content: '';
    position: absolute;
    left: -3rem;
    top: 0.5rem;
    width: 24px;
    height: 24px;
    border: 1px solid transparent;
    border-radius: 50%;
    transform: translateX(-50%) translateX(-5px) translateY(-5px) scale(var(--item-progress));
    opacity: calc(var(--item-progress) * 0.5);
    transition: border-color 0.3s ease;
}

.timeline-item.visible::after {
    border-color: var(--accent);
}

/* Alternating entry directions for cards */
.timeline-content {
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    border-radius: 24px;
    padding: 2rem;
    opacity: var(--item-progress);
    transition: border-color 0.4s var(--ease), box-shadow 0.4s var(--ease), transform 0.4s ease;
}

/* Odd items: slide from right */
.timeline-item:nth-child(odd) .timeline-content {
    transform: translateX(calc(70px * (1 - var(--item-progress)))) rotate(calc(2deg * (1 - var(--item-progress))));
}

/* Even items: slide from left with opposite rotation */
.timeline-item:nth-child(even) .timeline-content {
    transform: translateX(calc(-50px * (1 - var(--item-progress)))) rotate(calc(-2deg * (1 - var(--item-progress))));
}

.timeline-content:hover {
    border-color: var(--border-glow);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.25);
    transform: translateX(8px) scale(1.01);
}

.timeline-content h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.timeline-meta {
    font-size: 0.9375rem;
    color: var(--accent);
    font-weight: 500;
    margin-bottom: 1rem;
}

.timeline-note {
    color: var(--text-muted);
    font-style: italic;
}

.timeline-content ul {
    color: var(--text-soft);
    padding-left: 1.25rem;
    line-height: 1.8;
}

.timeline-content li {
    margin-bottom: 0.5rem;
}

/* ================================================
   SKILLS
   ================================================*/
/* Skills - Floating organic layout */
.skills-section {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2rem;
    perspective: 1000px;
}

.skill-group {
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    border-radius: 24px;
    padding: 2rem;
    flex: 1 1 280px;
    max-width: 350px;
    --group-progress: 0;
    transition: border-color 0.3s ease, box-shadow 0.3s ease, transform 0.4s ease;
}

/* Each group enters from a different direction */
.skill-group:nth-child(1) {
    opacity: var(--group-progress);
    transform: translateX(calc(-80px * (1 - var(--group-progress)))) rotateY(calc(20deg * (1 - var(--group-progress)))) scale(calc(0.9 + 0.1 * var(--group-progress)));
}

.skill-group:nth-child(2) {
    opacity: var(--group-progress);
    transform: translateY(calc(-60px * (1 - var(--group-progress)))) scale(calc(0.85 + 0.15 * var(--group-progress)));
}

.skill-group:nth-child(3) {
    opacity: var(--group-progress);
    transform: translateX(calc(80px * (1 - var(--group-progress)))) rotateY(calc(-20deg * (1 - var(--group-progress)))) scale(calc(0.9 + 0.1 * var(--group-progress)));
}

.skill-group:hover {
    border-color: var(--border-glow);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.25), 0 0 40px rgba(20, 184, 166, 0.1);
    transform: translateY(-8px) scale(1.02);
}

.skill-group h3 {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 1.25rem;
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.625rem;
    justify-content: center;
}

/* Tags float in with varied transforms */
.skill-tags span {
    padding: 0.625rem 1.25rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-glass);
    border-radius: 100px;
    font-size: 0.875rem;
    color: var(--text-soft);
    --tag-progress: 0;
    opacity: var(--tag-progress);
    transition: border-color 0.3s ease, color 0.3s ease, box-shadow 0.3s ease, transform 0.3s ease;
}

/* Varied entry angles for tags */
.skill-tags span:nth-child(odd) {
    transform: translateY(calc(15px * (1 - var(--tag-progress)))) rotate(calc(-5deg * (1 - var(--tag-progress)))) scale(calc(0.8 + 0.2 * var(--tag-progress)));
}

.skill-tags span:nth-child(even) {
    transform: translateY(calc(-10px * (1 - var(--tag-progress)))) rotate(calc(5deg * (1 - var(--tag-progress)))) scale(calc(0.8 + 0.2 * var(--tag-progress)));
}

.skill-tags span:hover {
    border-color: var(--accent);
    color: var(--accent);
    box-shadow: 0 0 20px rgba(20, 184, 166, 0.2);
}

/* ================================================
   PROJECTS - Varied 3D entry animations
   ================================================ */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    perspective: 1200px;
}

.project-card {
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    border-radius: 24px;
    padding: 2rem;
    position: relative;
    overflow: hidden;
    --card-progress: 0;
    transition: border-color 0.3s ease, box-shadow 0.3s ease, transform 0.4s ease;
}

/* Unique entry animation for each card position */
.project-card:nth-child(1) {
    opacity: var(--card-progress);
    transform: translateX(calc(-60px * (1 - var(--card-progress)))) rotateY(calc(15deg * (1 - var(--card-progress)))) scale(calc(0.9 + 0.1 * var(--card-progress)));
    transform-origin: left center;
}

.project-card:nth-child(2) {
    opacity: var(--card-progress);
    transform: translateX(calc(60px * (1 - var(--card-progress)))) rotateY(calc(-15deg * (1 - var(--card-progress)))) scale(calc(0.9 + 0.1 * var(--card-progress)));
    transform-origin: right center;
}

.project-card:nth-child(3) {
    opacity: var(--card-progress);
    transform: translateY(calc(50px * (1 - var(--card-progress)))) rotateX(calc(-10deg * (1 - var(--card-progress)))) scale(calc(0.85 + 0.15 * var(--card-progress)));
    transform-origin: top center;
}

.project-card:nth-child(4) {
    opacity: var(--card-progress);
    transform: translateY(calc(-40px * (1 - var(--card-progress)))) scale(calc(0.8 + 0.2 * var(--card-progress)));
}

.project-card:nth-child(5) {
    opacity: var(--card-progress);
    transform: translateX(calc(-40px * (1 - var(--card-progress)))) translateY(calc(30px * (1 - var(--card-progress)))) rotate(calc(-3deg * (1 - var(--card-progress)))) scale(calc(0.9 + 0.1 * var(--card-progress)));
}

.project-card:nth-child(6) {
    opacity: var(--card-progress);
    transform: translateX(calc(40px * (1 - var(--card-progress)))) translateY(calc(30px * (1 - var(--card-progress)))) rotate(calc(3deg * (1 - var(--card-progress)))) scale(calc(0.9 + 0.1 * var(--card-progress)));
}

/* Gradient line reveals with scroll */
.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient);
    transform: scaleX(var(--card-progress));
    transform-origin: left;
}

.project-card:hover {
    border-color: var(--border-glow);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.3);
}

.project-card:hover::before {
    transform: scaleX(1);
}

.project-card h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.project-tech {
    font-size: 0.8125rem;
    color: var(--accent);
    font-weight: 600;
    margin-bottom: 1rem;
}

.project-card p {
    color: var(--text-soft);
    font-size: 0.9375rem;
    line-height: 1.6;
}

.project-card a {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 1rem;
    color: var(--accent);
    font-weight: 600;
    font-size: 0.875rem;
    transition: gap 0.3s ease;
}

.project-card a:hover {
    gap: 0.75rem;
}

/* ================================================
   PLAYGROUND
   ================================================ */
.playground-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.playground-card {
    display: block;
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    border-radius: 24px;
    overflow: hidden;
    transition: all 0.5s var(--ease);
    position: relative;
}

.playground-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 60%, rgba(0, 0, 0, 0.8) 100%);
    opacity: 0;
    transition: opacity 0.4s ease;
    z-index: 1;
    pointer-events: none;
}

.playground-card:hover {
    transform: translateY(-16px) scale(1.02);
    border-color: var(--border-glow);
    box-shadow:
        0 50px 100px rgba(0, 0, 0, 0.5),
        0 0 80px rgba(20, 184, 166, 0.1);
}

.playground-card:hover::before {
    opacity: 1;
}

.playground-card img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    transition: transform 0.6s var(--ease);
}

.playground-card:hover img {
    transform: scale(1.1);
}

.playground-card h3,
.playground-card p {
    padding: 0 1.75rem;
    position: relative;
    z-index: 2;
}

.playground-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-top: 1.5rem;
    margin-bottom: 0.5rem;
}

.playground-card p {
    color: var(--text-soft);
    font-size: 0.9375rem;
    padding-bottom: 1.75rem;
    line-height: 1.6;
}

/* ================================================
   DISSERTATION
   ================================================ */
.dissertation-content>div {
    margin-bottom: 2.5rem;
}

.dissertation-overview,
.dissertation-demo {
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    border-radius: 20px;
    padding: 2.5rem;
}

.dissertation-overview h2,
.dissertation-demo h3 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
}

.dissertation-overview ul {
    color: var(--text-soft);
    padding-left: 1.5rem;
    line-height: 1.8;
}

.dissertation-demo {
    text-align: center;
}

/* ================================================
   CONTACT
   ================================================ */
.contact-content {
    max-width: 700px;
    margin: 0 auto;
}

.contact-card {
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    border-radius: 24px;
    padding: 3rem;
    text-align: center;
}

.contact-details {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-top: 2.5rem;
    flex-wrap: wrap;
}

.contact-item {
    padding: 1.5rem 2rem;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-glass);
    border-radius: 16px;
    min-width: 180px;
    transition: all 0.4s var(--ease);
}

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

.contact-item h3 {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 0.5rem;
}

.contact-item p,
.contact-item a {
    color: var(--text-soft);
    font-size: 0.9375rem;
}

/* ================================================
   FOOTER
   ================================================ */
footer {
    padding: 3rem 2rem;
    border-top: 1px solid var(--border-glass);
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-container p {
    color: var(--text-muted);
    font-size: 0.875rem;
}

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-links a {
    color: var(--text-muted);
    font-size: 0.875rem;
    font-weight: 500;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--accent);
}

/* ================================================
   LEGACY SUPPORT
   ================================================ */
main {
    min-height: 100vh;
}

.nav-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.nav-card {
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    border-radius: 20px;
    padding: 2.5rem;
    text-align: center;
    transition: all 0.5s var(--ease);
}

.nav-card:hover {
    transform: translateY(-10px);
    border-color: var(--border-glow);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.3);
}

.nav-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--accent);
    margin-bottom: 0.75rem;
}

.nav-card p {
    color: var(--text-soft);
    font-size: 0.9375rem;
    margin-bottom: 1.5rem;
}

.skills-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    list-style: none;
}

.skills-list li {
    padding: 0.625rem 1.25rem;
    background: var(--accent);
    color: #000;
    border-radius: 100px;
    font-size: 0.875rem;
    font-weight: 600;
    transition: all 0.3s var(--ease);
}

.skills-list li:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(20, 184, 166, 0.3);
}

.about-content h2 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-top: 3rem;
    margin-bottom: 1.5rem;
}

.about-content h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--accent);
    margin-top: 2rem;
    margin-bottom: 1rem;
}

.about-content p {
    color: var(--text-soft);
    line-height: 1.8;
    margin-bottom: 1rem;
}

.about-content ul {
    color: var(--text-soft);
    padding-left: 1.5rem;
    line-height: 1.8;
}

/* ================================================
   ANIMATIONS
   ================================================ */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s var(--ease);
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ================================================
   RESPONSIVE
   ================================================ */
@media (max-width: 1024px) {

    .card-row,
    .link-row {
        grid-template-columns: 1fr;
    }

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

    .nav-cards {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    header {
        top: 0.5rem;
        width: calc(100% - 1rem);
        border-radius: 12px;
    }

    .nav-container {
        flex-direction: column;
        gap: 0.5rem;
        height: auto;
        padding: 0.5rem;
    }

    nav ul {
        position: static;
        transform: none;
    }

    .social-links {
        display: none;
    }

    .hero {
        padding: 8rem 1.5rem 4rem;
    }

    .hero-cta {
        flex-direction: column;
        width: 100%;
        max-width: 300px;
        margin: 0 auto;
    }

    .cta-primary,
    .cta-ghost {
        justify-content: center;
    }

    .reveal-section {
        padding: 6rem 1.5rem;
    }

    .page-header {
        padding: 8rem 1.5rem 3rem;
    }

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

    .footer-container {
        flex-direction: column;
        gap: 1.5rem;
        text-align: center;
    }

    .contact-details {
        flex-direction: column;
    }
}