/* =====================================================
                GOOGLE FONT & RESET
===================================================== */

*{
    margin:0;
    padding:0;
    box-sizing:border-box;
}

html{
    scroll-behavior:smooth;
}

body{
    font-family:'Poppins',sans-serif;
    background:#f8fafc;
    color:#1e293b;
    line-height:1.8;
    overflow-x:hidden;
    transition:background .4s, color .4s;
    position:relative;
}

/* =====================================================
                GLOBAL ANIMATION SYSTEM
===================================================== */

/* Reduced motion preference — disable all non-essential animations */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    /* Hide animated background on reduced motion */
    #bgCanvas,
    .bg-decoration,
    .floating-tech,
    .network-grid,
    .bg-orb {
        display: none !important;
    }

    /* Disable custom cursor */
    .cursor-dot,
    .cursor-follower {
        display: none !important;
    }
}

/* =====================================================
                ANIMATED BACKGROUND CANVAS
===================================================== */

#bgCanvas{
    position:fixed;
    top:0;
    left:0;
    width:100%;
    height:100%;
    z-index:0;
    opacity:0.5;
    pointer-events:none;
}

/* =====================================================
                BACKGROUND DECORATION ELEMENTS
===================================================== */

.bg-decoration{
    position:fixed;
    top:0;
    left:0;
    width:100%;
    height:100%;
    z-index:0;
    pointer-events:none;
    overflow:hidden;
}

/* Glowing orbs */
.bg-orb{
    position:absolute;
    border-radius:50%;
    background:linear-gradient(135deg, #0ea5e9, #06b6d1);
    filter:blur(60px);
    opacity:0.3;
    animation:float 20s ease-in-out infinite;
}

.bg-orb-1{
    width:320px;
    height:320px;
    top:15%;
    left:10%;
    animation-duration:22s;
    animation-delay:-3s;
}

.bg-orb-2{
    width:280px;
    height:280px;
    top:55%;
    right:15%;
    animation-duration:26s;
    animation-delay:-5s;
}

.bg-orb-3{
    width:240px;
    height:240px;
    bottom:15%;
    left:20%;
    animation-duration:24s;
    animation-delay:-2s;
}

.bg-orb-4{
    width:260px;
    height:260px;
    top:30%;
    left:45%;
    animation-duration:28s;
    animation-delay:-7s;
}

/* Network grid overlay */
.network-grid{
    position:absolute;
    top:0;
    left:0;
    width:100%;
    height:100%;
    background-image:
        linear-gradient(rgba(37, 99, 235, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(37, 99, 235, 0.04) 1px, transparent 1px);
    background-size:60px 60px;
    z-index:0;
    opacity:0.4;
}

body.dark-mode .network-grid{
    background-image:
        linear-gradient(rgba(56, 189, 248, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(56, 189, 248, 0.05) 1px, transparent 1px);
    opacity:0.5;
}

/* Floating tech icons */
.floating-tech{
    position:absolute;
    top:0;
    left:0;
    width:100%;
    height:100%;
    z-index:0;
    pointer-events:none;
}

.floating-tech i{
    position:absolute;
    font-size:28px;
    color:rgba(37, 99, 235, 0.3);
    animation:floatTech 30s ease-in-out infinite;
    opacity:0.25;
}

body.dark-mode .floating-tech i{
    color:rgba(56, 189, 248, 0.3);
}

.floating-tech i:nth-child(1){ top:12%; left:8%; animation-delay:-2s; }
.floating-tech i:nth-child(2){ top:25%; right:12%; animation-delay:-4s; }
.floating-tech i:nth-child(3){ top:40%; left:5%; animation-delay:-6s; }
.floating-tech i:nth-child(4){ bottom:18%; right:20%; animation-delay:-3s; }
.floating-tech i:nth-child(5){ bottom:35%; left:12%; animation-delay:-5s; }
.floating-tech i:nth-child(6){ top:55%; right:8%; animation-delay:-7s; }

/* =====================================================
                FLOATING ANIMATIONS
===================================================== */

@keyframes float{
    0%,100%{ transform:translateY(0) scale(1); opacity:0.3; }
    25%{ transform:translateY(-20px) scale(1.05); opacity:0.4; }
    50%{ transform:translateY(0) scale(1); opacity:0.35; }
    75%{ transform:translateY(20px) scale(1.03); opacity:0.4; }
}

@keyframes floatTech{
    0%,100%{ transform:translateY(0) rotate(0deg) scale(1); opacity:0.25; }
    25%{ transform:translateY(-15px) rotate(5deg) scale(1.1); opacity:0.3; }
    50%{ transform:translateY(0) rotate(0deg) scale(1); opacity:0.25; }
    75%{ transform:translateY(15px) rotate(-5deg) scale(1.05); opacity:0.3; }
}

@keyframes pulse{
    0%,100%{ opacity:1; }
    50%{ opacity:0.4; }
}

@keyframes pulseGlow{
    0%,100%{ box-shadow:0 0 15px rgba(56,189,248,0.4), 0 0 30px rgba(56,189,248,0.2); }
    50%{ box-shadow:0 0 25px rgba(56,189,248,0.6), 0 0 45px rgba(56,189,248,0.3); }
}

@keyframes shimmer{
    0%{ transform:translateX(-100%); }
    100%{ transform:translateX(100%); }
}

@keyframes spin{
    0%{ transform:rotate(0deg); }
    100%{ transform:rotate(360deg); }
}

/* =====================================================
                SCROLL PROGRESS INDICATOR
===================================================== */

.scroll-progress{
    position:fixed;
    top:0;
    left:0;
    width:100%;
    height:3px;
    background:rgba(255,255,255,0.1);
    z-index:1000;
    overflow:hidden;
}

.scroll-progress-bar{
    width:0%;
    height:100%;
    background:linear-gradient(90deg, #2563eb, #38bdf8);
    transition:width 0.1s linear;
    box-shadow:0 0 8px rgba(56,189,248,0.6);
}

/* =====================================================
                LINKS
===================================================== */

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

img{
    max-width:100%;
    display:block;
}

/* =====================================================
                HEADER
===================================================== */

header{
    min-height:100vh;
    background:
        linear-gradient(
            135deg,
            #0f172a 0%,
            #1e3a8a 45%,
            #2563eb 100%
        );
    color:white;
    padding:0;
    position:relative;
    z-index:1;
}

/* =====================================================
                STICKY NAVIGATION
===================================================== */

nav{
    position:sticky;
    top:0;
    z-index:1000;
    display:flex;
    justify-content:space-between;
    align-items:center;
    padding:20px 8%;
    transition:all .3s ease;
}

nav.scrolled{
    background:rgba(15, 23, 42, 0.7);
    backdrop-filter:blur(14px);
    box-shadow:0 4px 30px rgba(0,0,0,0.25);
    border-bottom:1px solid rgba(56,189,248,0.2);
    padding:15px 8%;
}

/* =====================================================
                MZQ NAVBAR LOGO
===================================================== */

.logo{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    text-decoration:none;
    position:relative;
}

.logo-mark{
    width:82px;
    height:52px;

    display:flex;
    align-items:center;
    justify-content:center;

    font-size:22px;
    font-weight:800;
    letter-spacing:3px;

    color:#ffffff;

    background:
        linear-gradient(
            135deg,
            rgba(56,189,248,0.18),
            rgba(37,99,235,0.22)
        );

    border:1px solid rgba(56,189,248,0.45);
    border-radius:14px;

    box-shadow:
        0 0 15px rgba(56,189,248,0.15),
        inset 0 0 15px rgba(56,189,248,0.05);

    position:relative;
    overflow:hidden;

    transition:
        transform .3s ease,
        border-color .3s ease,
        box-shadow .3s ease;
}


/* Small glowing line inside logo */

.logo-mark::after{
    content:"";
    position:absolute;

    left:15px;
    right:15px;
    bottom:7px;

    height:2px;

    background:
        linear-gradient(
            90deg,
            transparent,
            #38bdf8,
            transparent
        );

    border-radius:2px;

    box-shadow:
        0 0 8px rgba(56,189,248,0.7);
}


/* Logo hover */

.logo:hover .logo-mark{
    transform:translateY(-2px) scale(1.04);

    border-color:#38bdf8;

    box-shadow:
        0 0 22px rgba(56,189,248,0.35),
        inset 0 0 18px rgba(56,189,248,0.08);
}

.nav-links{
    list-style:none;
    display:flex;
    align-items:center;
    gap:28px;
}

.nav-links a{
    color:white;
    font-weight:500;
    transition:all .3s ease;
    position:relative;
    padding:6px 0;
}

/* Active navigation underline with glow */
.nav-links a::after{
    content:"";
    position:absolute;
    left:0;
    bottom:-5px;
    width:0;
    height:2px;
    background:linear-gradient(90deg, #38bdf8, #2563eb);
    transition:all .3s ease;
    box-shadow:0 0 6px rgba(56,189,248,0.4);
}

.nav-links a:hover::after{
    width:100%;
}

.nav-links a:hover{
    color:#38bdf8;
    filter:brightness(1.2);
}

/* Active navigation link */
.nav-links a.active{
    color:#38bdf8;
    position:relative;
}

.nav-links a.active::after{
    width:100%;
}

/* Small indicator dot for active */
.nav-links a.active::before{
    content:"";
    position:absolute;
    bottom:8px;
    left:50%;
    transform:translateX(-50%);
    width:6px;
    height:6px;
    border-radius:50%;
    background:#38bdf8;
    box-shadow:0 0 8px rgba(56,189,248,0.7);
    animation:pulseGlow 2s ease-in-out infinite;
}

/* =====================================================
                DARK MODE BUTTON
===================================================== */

#darkModeBtn{
    width:46px;
    height:46px;
    border:none;
    border-radius:50%;
    cursor:pointer;
    font-size:18px;
    background:rgba(255,255,255,.15);
    backdrop-filter:blur(10px);
    border:1px solid rgba(255,255,255,.3);
    color:white;
    transition:all .3s ease;
    display:flex;
    justify-content:center;
    align-items:center;
}

#darkModeBtn:hover{
    transform:rotate(180deg) scale(1.1);
    background:linear-gradient(135deg, #38bdf8, #2563eb);
    box-shadow:0 0 20px rgba(56,189,248,0.5);
}

/* =====================================================
                BASE BUTTONS — GLOBAL MICRO-INTERACTIONS
===================================================== */

.btn{
    padding:15px 34px;
    border-radius:50px;
    font-weight:600;
    transition:all .35s ease;
    position:relative;
    overflow:hidden;
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:10px;
    border:none;
    cursor:pointer;
    text-decoration:none;
}

/* Ripple effect */
.btn::after{
    content:"";
    position:absolute;
    top:50%;
    left:50%;
    width:0;
    height:0;
    border-radius:50%;
    background:rgba(255,255,255,0.3);
    transform:translate(-50%, -50%);
    transition:width .5s, height .5s;
    z-index:0;
}

.btn:hover::after{
    width:300px;
    height:300px;
}

.btn{
    z-index:1;
}

/* Animated gradient for primary buttons */
.primary-btn{
    background:linear-gradient(135deg, #38bdf8, #2563eb);
    color:white;
    box-shadow:0 8px 25px rgba(56,189,248,0.4);
    border:1px solid rgba(56,189,248,0.4);
}

.primary-btn:hover{
    transform:translateY(-6px) scale(1.03);
    box-shadow:0 12px 35px rgba(56,189,248,0.6);
    background:linear-gradient(135deg, #7dd3fc, #3b82f6);
}

.primary-btn i{
    transition:transform .3s ease;
}

.primary-btn:hover i{
    transform:scale(1.2) rotate(5deg);
}

/* Secondary buttons */
.secondary-btn{
    border:2px solid rgba(255,255,255,.4);
    color:white;
    background:rgba(255,255,255,.08);
    backdrop-filter:blur(10px);
    box-shadow:0 4px 15px rgba(0,0,0,0.15);
}

.secondary-btn:hover{
    transform:translateY(-6px) scale(1.03);
    border-color:#38bdf8;
    background:rgba(255,255,255,.15);
    box-shadow:0 8px 25px rgba(56,189,248,0.3);
}

.secondary-btn i{
    transition:transform .3s ease;
}

.secondary-btn:hover i{
    transform:scale(1.2) rotate(5deg);
}

/* Dark mode button adjustments */
body.dark-mode .primary-btn{
    box-shadow:0 8px 25px rgba(56,189,248,0.5);
}

body.dark-mode .secondary-btn{
    border-color:rgba(56,189,248,0.4);
}

/* Joke button */
.joke-btn{
    background:linear-gradient(135deg, #2563eb, #38bdf8);
    color:white;
    border:none;
    padding:15px 35px;
    border-radius:50px;
    font-size:16px;
    cursor:pointer;
    display:inline-flex;
    align-items:center;
    gap:10px;
    margin-top:20px;
}

.joke-btn:hover{
    transform:translateY(-4px) scale(1.03);
    box-shadow:0 8px 25px rgba(56,189,248,0.5);
    background:linear-gradient(135deg, #3b82f6, #0ea5e9);
}

/* =====================================================
                HERO SECTION
===================================================== */

.hero{
    min-height:88vh;
    width:100%;
    display:flex;
    justify-content:center;
    align-items:center;
    text-align:center;
    position:relative;
    z-index:1;
    padding:0 8%;
    box-sizing:border-box;
}

.hero::before{
    content:"";
    position:absolute;
    top:0;
    left:0;
    width:100%;
    height:100%;
    background:radial-gradient(circle at center, rgba(35, 23, 42, 0.7) 0%, transparent 70%);
    z-index:-1;
    pointer-events:none;
}

.hero-content{
    max-width:900px;
    position:relative;
}

.hero-badge{
    display:inline-flex;
    align-items:center;
    gap:10px;
    padding:10px 24px;
    border-radius:40px;
    background:rgba(255,255,255,.1);
    border:1px solid rgba(255,255,255,.3);
    backdrop-filter:blur(12px);
    margin-bottom:30px;
    font-size:15px;
    transition:all .4s ease;
    animation:badgeGlow 3s ease-in-out infinite;
    position:relative;
    overflow:hidden;
}

.hero-badge::before{
    content:"";
    position:absolute;
    top:-50%;
    left:-50%;
    width:200%;
    height:200%;
    background:linear-gradient(45deg, transparent, rgba(56,189,248,0.3), transparent);
    animation:shimmer 6s infinite;
}

.hero-badge i{
    position:relative;
    z-index:2;
    color:#38bdf8;
    filter:drop-shadow(0 0 8px rgba(56,189,248,0.6));
}

@keyframes badgeGlow{
    0%,100%{ box-shadow:0 0 15px rgba(56,189,248,0.4), 0 0 30px rgba(56,189,248,0.2); }
    50%{ box-shadow:0 0 25px rgba(56,189,248,0.6), 0 0 45px rgba(56,189,248,0.3); }
}

.hero h1{
    font-size:64px;
    font-weight:700;
    margin-bottom:15px;
    color:white;
    background:linear-gradient(90deg, #ffffff, #38bdf8, #ffffff);
    -webkit-background-clip:text;
    -webkit-text-fill-color:transparent;
    background-clip:text;
    text-fill-color:transparent;
    position:relative;
    animation:textGlow 4s ease-in-out infinite;
    letter-spacing:1px;
}

.hero h1::before{
    content:"";
    position:absolute;
    top:0;
    left:0;
    right:0;
    bottom:0;
    background:linear-gradient(90deg, transparent, rgba(56,189,248,0.3), transparent);
    animation:shimmer 5s infinite;
    z-index:0;
    border-radius:8px;
}

.hero h1 span{
    position:relative;
    z-index:1;
}

@keyframes textGlow{
    0%,100%{ filter:drop-shadow(0 0 8px rgba(56,189,248,0.4)); }
    50%{ filter:drop-shadow(0 0 20px rgba(56,189,248,0.7)); }
}

.hero h3{
    font-size:32px;
    font-weight:500;
    color:#38bdf8;
    margin-bottom:25px;
    position:relative;
    letter-spacing:1px;
}

.hero h3::after{
    content:"";
    position:absolute;
    bottom:-8px;
    left:50%;
    transform:translateX(-50%);
    width:40px;
    height:2px;
    background:linear-gradient(90deg, #38bdf8, transparent);
    border-radius:1px;
}

.hero-description{
    font-size:19px;
    color:#e2e8f0;
    margin-bottom:18px;
    position:relative;
    opacity:0.95;
}

.hero-description strong{
    color:#38bdf8;
    font-weight:600;
    position:relative;
}

.hero-description strong::before{
    content:"";
    position:absolute;
    bottom:-2px;
    left:0;
    width:100%;
    height:2px;
    background:linear-gradient(90deg, #38bdf8, transparent);
    opacity:0.5;
    transform:scaleX(0);
    transform-origin:right;
    transition:transform .3s ease;
}

.hero-description:hover strong::before{
    transform:scaleX(1);
    transform-origin:left;
}

/* Typing cursor */
.typing-cursor{
    display:inline-block;
    width:2px;
    height:1.2em;
    background:#38bdf8;
    margin-left:4px;
    animation:blink .8s infinite;
    vertical-align:middle;
}

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

/* Hero circuit visual behind content */
.hero::after{
    content:"";
    position:absolute;
    top:0;
    left:0;
    width:100%;
    height:100%;
    background:
        radial-gradient(circle at 20% 30%, rgba(56,189,248,0.08) 2px, transparent 4px),
        radial-gradient(circle at 80% 70%, rgba(56,189,248,0.08) 2px, transparent 4px),
        radial-gradient(circle at 50% 50%, rgba(56,189,248,0.05) 1px, transparent 3px);
    background-size:80px 80px;
    z-index:-1;
    opacity:0.5;
    pointer-events:none;
    animation:pulse 8s ease-in-out infinite;
}

/* =====================================================
                HERO BUTTONS
===================================================== */

.hero-buttons{
    display:flex;
    justify-content:center;
    gap:20px;
    margin-top:40px;
    flex-wrap:wrap;
}

/* =====================================================
                SOCIAL ICONS
===================================================== */

.social-icons{
    display:flex;
    justify-content:center;
    gap:22px;
    margin-top:45px;
    z-index:2;
}

.social-icons a{
    width:52px;
    height:52px;
    border-radius:50%;
    display:flex;
    justify-content:center;
    align-items:center;
    background:rgba(255,255,255,.1);
    font-size:22px;
    transition:all .35s ease;
    border:1px solid rgba(255,255,255,.2);
    position:relative;
    overflow:hidden;
    z-index:2;
}

.social-icons a::before{
    content:attr(data-tooltip);
    position:absolute;
    bottom:-35px;
    left:50%;
    transform:translateX(-50%);
    background:rgba(0,0,0,0.8);
    color:#fff;
    padding:5px 12px;
    border-radius:6px;
    font-size:12px;
    opacity:0;
    transition:opacity .3s ease;
    white-space:nowrap;
    z-index:-1;
    pointer-events:none;
}

.social-icons a:hover::before{
    opacity:1;
}

.social-icons a:hover{
    transform:translateY(-8px) scale(1.15) rotate(5deg);
    background:linear-gradient(135deg, #38bdf8, #2563eb);
    color:white;
    box-shadow:0 0 20px rgba(56,189,248,0.5);
    border-color:rgba(56,189,248,0.4);
}

.social-icons a:hover i{
    filter:drop-shadow(0 0 8px rgba(255,255,255,0.8));
}

/* Floating social icons animation */
@keyframes floatSocial{
    0%,100%{ transform:translateY(0); }
    50%{ transform:translateY(-5px); }
}

.social-icons a:nth-child(1){ animation:floatSocial 4s ease-in-out infinite; }
.social-icons a:nth-child(2){ animation:floatSocial 4s ease-in-out infinite; animation-delay:-0.5s; }
.social-icons a:nth-child(3){ animation:floatSocial 4s ease-in-out infinite; animation-delay:-1s; }

/* =====================================================
                CUSTOM CURSOR
===================================================== */

.cursor-dot{
    position:fixed;
    width:6px;
    height:6px;
    border-radius:50%;
    background:#38bdf8;
    pointer-events:none;
    z-index:9999;
    mix-blend-mode:difference;
    transition:transform .1s ease, background-color .2s ease;
}

.cursor-follower{
    position:fixed;
    width:36px;
    height:36px;
    border:1px solid #38bdf8;
    border-radius:50%;
    pointer-events:none;
    z-index:9998;
    transition:all .2s ease;
    transform:translate(-50%, -50%);
}

.cursor-follower.hovering{
    width:60px;
    height:60px;
    border-color:#0ea5e9;
    background:rgba(56,189,248,0.1);
    box-shadow:0 0 20px rgba(56,189,248,0.4);
}

body.dark-mode .cursor-dot{
    background:#0ea5e9;
}

body.dark-mode .cursor-follower{
    border-color:#0ea5e9;
}

/* Hide cursor elements on mobile/touch devices */
@media (hover:none) and (pointer:coarse){
    .cursor-dot,
    .cursor-follower{
        display:none;
    }
}

/* =====================================================
                MAIN
===================================================== */

main{
    width:90%;
    max-width:1200px;
    margin:auto;
    position:relative;
    z-index:1;
}

/* =====================================================
                SECTION
===================================================== */

/* Section divider — subtle glow line between sections */
.section-divider{
    height:60px;
    display:flex;
    justify-content:center;
    align-items:center;
    position:relative;
}

.section-divider .divider-glow{
    width:60px;
    height:3px;
    background:linear-gradient(90deg, transparent, #38bdf8, transparent);
    border-radius:2px;
    box-shadow:0 0 12px rgba(56,189,248,0.4);
    animation:pulse 4s ease-in-out infinite;
}

body.dark-mode .section-divider .divider-glow{
    background:linear-gradient(90deg, transparent, #0ea5e9, transparent);
    box-shadow:0 0 15px rgba(56,189,248,0.6);
}

/* Only show dividers on desktop */
@media(max-width:768px){
    .section-divider{
        display:none;
    }
}

section{
    padding:40px 0;
    position:relative;
}

.section-title{
    text-align:center;
    margin-bottom:60px;
    position:relative;
}

.section-title::after{
    content:"";
    position:absolute;
    bottom:-20px;
    left:50%;
    transform:translateX(-50%);
    width:80px;
    height:3px;
    background:linear-gradient(90deg, #2563eb, #38bdf8);
    border-radius:2px;
    box-shadow:0 0 10px rgba(56,189,248,0.3);
}

.section-title span{
    color:#2563eb;
    font-weight:600;
    text-transform:uppercase;
    letter-spacing:2px;
    font-size:14px;
}

.section-title h2{
    font-size:42px;
    margin-top:10px;
    color:#0f172a;
    background:linear-gradient(90deg, #0f172a, #2563eb);
    -webkit-background-clip:text;
    -webkit-text-fill-color:transparent;
    background-clip:text;
    text-fill-color:transparent;
}

body.dark-mode .section-title h2{
    background:linear-gradient(90deg, #e2e8f0, #38bdf8);
    -webkit-background-clip:text;
    -webkit-text-fill-color:transparent;
    background-clip:text;
    text-fill-color:transparent;
}

/* =====================================================
                SCROLL REVEAL ANIMATIONS
===================================================== */

/* Base state for animated elements */
[data-animate]{
    opacity:0;
    transition:all .6s ease;
}

[data-animate].animated{
    opacity:1;
}

/* Different reveal types */
[data-animate="hero"]{
    transform:translateY(40px);
}

[data-animate="hero"].animated{
    transform:translateY(0);
}

[data-animate="badge"]{
    transform:scale(0.8) translateY(20px);
    opacity:0;
}

[data-animate="badge"].animated{
    transform:scale(1) translateY(0);
    opacity:1;
    animation:badgeGlow 3s ease-in-out infinite;
}

[data-animate="name"]{
    transform:translateY(40px);
    opacity:0;
}

[data-animate="name"].animated{
    transform:translateY(0);
    opacity:1;
}

[data-animate="subtitle"]{
    transform:translateY(30px);
    opacity:0;
}

[data-animate="subtitle"].animated{
    transform:translateY(0);
    opacity:1;
}

[data-animate="desc"]{
    transform:translateY(30px);
    opacity:0;
}

[data-animate="desc"].animated{
    transform:translateY(0);
    opacity:1;
}

[data-animate="cta"]{
    transform:translateY(30px);
    opacity:0;
}

[data-animate="cta"].animated{
    transform:translateY(0);
    opacity:1;
}

[data-animate="social"]{
    transform:translateY(30px);
    opacity:0;
}

[data-animate="social"].animated{
    transform:translateY(0);
    opacity:1;
}

/* Section heading reveal */
[data-animate="heading"]{
    transform:translateY(30px);
    opacity:0;
}

[data-animate="heading"].animated{
    transform:translateY(0);
    opacity:1;
}

/* Section reveal */
[data-animate="section"]{
    transform:translateY(40px);
    opacity:0;
}

[data-animate="section"].animated{
    opacity:1;
    transform:translateY(0);
}

/* Stats reveal */
[data-animate="stats"] > *{
    opacity:0;
    transform:scale(0.8);
    transition:opacity .6s ease, transform .6s ease;
}

[data-animate="stats"] > *.animated{
    opacity:1;
    transform:scale(1);
}

/* Stat cards reveal */
[data-animate="stat"]{
    opacity:0;
    transform:scale(0.8);
    transition:opacity .6s ease, transform .6s ease;
}

[data-animate="stat"].animated{
    opacity:1;
    transform:scale(1);
}

/* Timeline reveal */
[data-animate="timeline"]{
    opacity:0;
    transform:translateY(30px);
}

[data-animate="timeline"].animated{
    opacity:1;
    transform:translateY(0);
}

/* Timeline item reveal */
[data-animate="timeline-item"]{
    opacity:0;
    transform:translateX(-30px);
}

[data-animate="timeline-item"].animated{
    opacity:1;
    transform:translateX(0);
}

/* Research cards reveal */
[data-animate="research-card"]{
    opacity:0;
    transform:translateY(30px);
}

[data-animate="research-card"].animated{
    opacity:1;
    transform:translateY(0);
}

/* Skill item reveal */
[data-animate="skill-item"]{
    opacity:0;
    transform:translateX(-30px);
}

[data-animate="skill-item"].animated{
    opacity:1;
    transform:translateX(0);
}

/* Project cards reveal */
[data-animate="project-card"]{
    opacity:0;
    transform:translateY(30px);
}

[data-animate="project-card"].animated{
    opacity:1;
    transform:translateY(0);
}

/* Publication cards reveal */
[data-animate="publication-card"]{
    opacity:0;
    transform:translateY(30px);
}

[data-animate="publication-card"].animated{
    opacity:1;
    transform:translateY(0);
}

/* Contact cards reveal */
[data-animate="contact-card"]{
    opacity:0;
    transform:translateY(30px);
}

[data-animate="contact-card"].animated{
    opacity:1;
    transform:translateY(0);
}

/* =====================================================
                STATISTICS
===================================================== */

.stats{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
    gap:30px;
    margin-bottom:40px;
}

.stat-card{
    background:rgba(255,255,255,.6);
    padding:40px 25px;
    border-radius:18px;
    text-align:center;
    box-shadow:0 12px 35px rgba(0,0,0,.08);
    transition:all .35s ease;
    position:relative;
    overflow:hidden;
    backdrop-filter:blur(10px);
    border:1px solid rgba(255,255,255,.3);
}

.stat-card::before{
    content:"";
    position:absolute;
    inset:0;
    border-radius:inherit;
    padding:1px;
    background:linear-gradient(135deg, #2563eb, #38bdf8, #2563eb);
    -webkit-mask:
        linear-gradient(#fff 0 0) content-box,
        linear-gradient(#fff 0 0);
    -webkit-mask-composite:destination-out;
    mask-composite:exclude;
    opacity:0;
    transition:opacity .3s ease;
    pointer-events:none;
}

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

.stat-card:hover{
    transform:translateY(-12px) scale(1.03) rotateX(5deg);
    box-shadow:0 20px 45px rgba(56,189,248,0.3);
    background:rgba(255,255,255,.7);
    border-color:rgba(56,189,248,0.4);
}

.stat-card i{
    font-size:42px;
    color:#2563eb;
    margin-bottom:20px;
    transition:all .35s ease;
    filter:drop-shadow(0 0 8px rgba(37, 99, 235, 0.3));
}

.stat-card:hover i{
    filter:drop-shadow(0 0 15px rgba(56,189,248,0.6));
    transform:scale(1.2);
}

.stat-card h2{
    font-size:38px;
    color:#0f172a;
    font-weight:700;
    position:relative;
    z-index:2;
    transition:opacity .5s ease, transform .5s ease;
}

/* Stat number reveal animation */
.stat-number{
    display:inline-block;
    opacity:0;
    transform:translateY(20px);
    transition:opacity .6s ease, transform .6s ease;
}

.stat-card.animated .stat-number{
    opacity:1;
    transform:translateY(0);
}

.stat-card p{
    margin-top:10px;
    color:#64748b;
    position:relative;
    z-index:2;
}

/* =====================================================
                CARD GLOW EFFECT (shared)
===================================================== */

.card-glow{
    position:relative;
}

.card-glow::before{
    content:"";
    position:absolute;
    inset:0;
    border-radius:inherit;
    padding:1px;
    background:linear-gradient(135deg, #2563eb, #38bdf8, #2563eb);
    -webkit-mask:
        linear-gradient(#fff 0 0) content-box,
        linear-gradient(#fff 0 0);
    -webkit-mask-composite:destination-out;
    mask-composite:exclude;
    opacity:0;
    transition:opacity .35s ease;
    pointer-events:none;
}

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

body.dark-mode .card-glow::before{
    background:linear-gradient(135deg, #38bdf8, #0ea5e9, #38bdf8);
}

/* =====================================================
                ABOUT SECTION
===================================================== */

.about-container{
    max-width:950px;
    margin:auto;
}

.about-text{
    background:rgba(255,255,255,.4);
    padding:45px;
    border-radius:20px;
    box-shadow:0 12px 35px rgba(0,0,0,.08);
    transition:all .35s ease;
    backdrop-filter:blur(12px);
    border:1px solid rgba(255,255,255,.3);
    position:relative;
    overflow:hidden;
}

.about-text::before{
    content:"";
    position:absolute;
    top:0;
    left:-100%;
    width:100%;
    height:100%;
    background:linear-gradient(90deg, transparent, rgba(56,189,248,0.1), transparent);
    transition:left .5s ease;
}

.about-text:hover::before{
    left:100%;
}

.about-text:hover{
    transform:translateY(-8px) scale(1.01);
    box-shadow:0 20px 45px rgba(56,189,248,0.15);
    border-color:rgba(56,189,248,0.4);
}

.about-text p{
    font-size:18px;
    color:#475569;
    position:relative;
    z-index:2;
    margin-bottom:20px;
}

.about-text strong{
    color:#2563eb;
    position:relative;
    z-index:2;
}

/* =====================================================
                EDUCATION TIMELINE
===================================================== */

.timeline{
    position:relative;
    max-width:900px;
    margin:auto;
    padding:40px 0;
}

.timeline::before{
    content:"";
    position:absolute;
    left:28px;
    top:0;
    width:4px;
    height:100%;
    background:linear-gradient(180deg, #2563eb, #38bdf8);
    border-radius:10px;
    box-shadow:0 0 10px rgba(56,189,248,0.4);
    transform-origin:top;
    transform:scaleY(0);
    transition:transform 1s ease;
}

.timeline.grow::before{
    transform:scaleY(1);
}

.timeline-item{
    position:relative;
    padding-left:85px;
    margin-bottom:50px;
}

.timeline-dot{
    position:absolute;
    left:16px;
    top:12px;
    width:28px;
    height:28px;
    border-radius:50%;
    background:linear-gradient(135deg, #2563eb, #38bdf8);
    border:5px solid white;
    box-shadow:0 0 0 4px #2563eb, 0 0 15px rgba(56,189,248,0.5);
    animation:pulseGlow 2s ease-in-out infinite;
    z-index:2;
}

body.dark-mode .timeline-dot{
    border-color:#0f172a;
    box-shadow:0 0 0 4px #38bdf8, 0 0 15px rgba(56,189,248,0.6);
}

.timeline-content{
    background:rgba(255,255,255,.4);
    padding:30px;
    border-radius:18px;
    box-shadow:0 10px 30px rgba(0,0,0,.08);
    transition:all .35s ease;
    backdrop-filter:blur(10px);
    border:1px solid rgba(255,255,255,.3);
    position:relative;
    overflow:hidden;
}

.timeline-content::before{
    content:"";
    position:absolute;
    top:0;
    left:-100%;
    width:100%;
    height:100%;
    background:linear-gradient(90deg, transparent, rgba(56,189,248,0.1), transparent);
    transition:left .5s ease;
}

.timeline-content:hover::before{
    left:100%;
}

.timeline-content:hover{
    transform:translateY(-8px) scale(1.01);
    box-shadow:0 15px 40px rgba(56,189,248,0.15);
    border-color:rgba(56,189,248,0.4);
}

.timeline-content h3{
    color:#0f172a;
    margin-bottom:10px;
    position:relative;
    z-index:2;
}

.timeline-content h4{
    color:#2563eb;
    margin-bottom:15px;
    font-weight:600;
    position:relative;
    z-index:2;
}

.timeline-content p{
    color:#64748b;
    position:relative;
    z-index:2;
}

body.dark-mode .timeline-content{
    background:rgba(17, 24, 39, 0.5);
    border-color:rgba(56,189,248,0.3);
}

body.dark-mode .timeline-content h3{
    color:#f1f5f9;
}

body.dark-mode .timeline-content h4{
    color:#38bdf8;
}

body.dark-mode .timeline-content p{
    color:#cbd5e1;
}

/* =====================================================
                RESEARCH INTERESTS
===================================================== */

.research-grid{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(240px,1fr));
    gap:30px;
}

.research-card{
    background:rgba(255,255,255,.4);
    padding:40px 25px;
    border-radius:20px;
    text-align:center;
    box-shadow:0 12px 35px rgba(0,0,0,.08);
    transition:all .35s ease;
    backdrop-filter:blur(10px);
    border:1px solid rgba(255,255,255,.3);
    position:relative;
    overflow:hidden;
    perspective:1000px;
}

.research-card::before{
    content:"";
    position:absolute;
    inset:0;
    border-radius:inherit;
    padding:1px;
    background:linear-gradient(135deg, #2563eb, #38bdf8, transparent);
    -webkit-mask:
        linear-gradient(#fff 0 0) content-box,
        linear-gradient(#fff 0 0);
    -webkit-mask-composite:destination-out;
    mask-composite:exclude;
    opacity:0;
    transition:opacity .35s ease;
    pointer-events:none;
}

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

.research-card:hover{
    transform:translateY(-12px) scale(1.05) rotateY(5deg);
    box-shadow:0 20px 45px rgba(56,189,248,0.3);
    background:rgba(255,255,255,.6);
    border-color:rgba(56,189,248,0.4);
}

.research-card i{
    font-size:48px;
    color:#2563eb;
    margin-bottom:22px;
    transition:all .35s ease;
    filter:drop-shadow(0 0 10px rgba(37, 99, 235, 0.3));
    position:relative;
    z-index:2;
    animation:floatIcon 6s ease-in-out infinite;
}

.research-card:hover i{
    color:#38bdf8;
    filter:drop-shadow(0 0 20px rgba(56,189,248,0.7));
    transform:scale(1.2) rotate(10deg);
}

.research-card h3{
    font-size:20px;
    font-weight:600;
    position:relative;
    z-index:2;
    color:#0f172a;
    transition:color .3s ease;
}

.research-card:hover h3{
    color:#2563eb;
}

body.dark-mode .research-card{
    background:rgba(17, 24, 39, 0.5);
    border-color:rgba(56,189,248,0.3);
}

body.dark-mode .research-card:hover{
    background:rgba(17, 24, 39, 0.7);
}

body.dark-mode .research-card h3{
    color:#e2e8f0;
}

body.dark-mode .research-card:hover h3{
    color:#38bdf8;
}

@keyframes floatIcon{
    0%,100%{ transform:translateY(0); }
    50%{ transform:translateY(-8px); }
}

/* =====================================================
                SKILLS
===================================================== */

.skill{
    margin-bottom:35px;
    position:relative;
}

.skill-info{
    display:flex;
    justify-content:space-between;
    margin-bottom:10px;
    font-weight:600;
}

.skill-info span:first-child{
    color:#0f172a;
}

.skill-info span:last-child{
    color:#2563eb;
    font-weight:700;
}

.progress-bar{
    width:100%;
    height:14px;
    background:#dbeafe;
    border-radius:30px;
    overflow:hidden;
    position:relative;
}

.progress{
    height:100%;
    border-radius:30px;
    background:linear-gradient(90deg, #2563eb, #38bdf8);
    transition:width 1.5s ease;
    width:0;
    position:relative;
    overflow:hidden;
}

/* Animated gradient within progress bar */
.progress::after{
    content:"";
    position:absolute;
    top:0;
    left:0;
    width:100%;
    height:100%;
    background:linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
    animation:moveHighlight 2s infinite;
}

@keyframes moveHighlight{
    0%{ transform:translateX(-100%); }
    100%{ transform:translateX(100%); }
}

/* Glowing edge for progress bars */
.progress{
    box-shadow:0 0 8px rgba(56,189,248,0.4);
}

/* Progress bar count animation */
.progress.percent-95{ width:95%; }
.progress.percent-90{ width:90%; }
.progress.percent-88{ width:88%; }
.progress.percent-80{ width:80%; }
.progress.percent-92{ width:92%; }

.skill:hover .progress{
    filter:brightness(1.08);
    box-shadow:0 0 15px rgba(56,189,248,0.6);
}

/* Skills container spacing */
#skills{
    max-width:900px;
    margin:auto;
}

body.dark-mode .progress-bar{
    background:#334155;
}

body.dark-mode .skill-info span:first-child{
    color:#e2e8f0;
}

body.dark-mode .progress-bar .progress{
    box-shadow:0 0 8px rgba(56,189,248,0.5);
}

/* =====================================================
                PROJECTS
===================================================== */

.project-grid{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(300px,1fr));
    gap:30px;
}

.project-card{
    background:rgba(255,255,255,.4);
    padding:35px;
    border-radius:20px;
    box-shadow:0 12px 35px rgba(0,0,0,.08);
    transition:all .35s ease;
    backdrop-filter:blur(10px);
    border:1px solid rgba(255,255,255,.3);
    position:relative;
    overflow:hidden;
    perspective:1000px;
}

.project-card::before{
    content:"";
    position:absolute;
    inset:0;
    border-radius:inherit;
    padding:1px;
    background:linear-gradient(135deg, #2563eb, #38bdf8, transparent);
    -webkit-mask:
        linear-gradient(#fff 0 0) content-box,
        linear-gradient(#fff 0 0);
    -webkit-mask-composite:destination-out;
    mask-composite:exclude;
    opacity:0;
    transition:opacity .35s ease;
    pointer-events:none;
}

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

.project-card:hover{
    transform:translateY(-12px) scale(1.02) rotateX(5deg);
    box-shadow:0 20px 45px rgba(56,189,248,0.3);
    border-color:rgba(56,189,248,0.4);
}

.project-icon{
    font-size:48px;
    color:#2563eb;
    margin-bottom:20px;
    transition:all .35s ease;
    filter:drop-shadow(0 0 10px rgba(37, 99, 235, 0.3));
    animation:floatIcon 8s ease-in-out infinite;
}

.project-card:hover .project-icon{
    filter:drop-shadow(0 0 20px rgba(56,189,248,0.7));
    transform:scale(1.15) rotate(5deg);
}

.project-card h3{
    color:#0f172a;
    margin-bottom:15px;
    position:relative;
    z-index:2;
}

.project-card p{
    color:#64748b;
    position:relative;
    z-index:2;
}

body.dark-mode .project-card{
    background:rgba(17, 24, 39, 0.5);
    border-color:rgba(56,189,248,0.3);
}

body.dark-mode .project-card:hover{
    background:rgba(17, 24, 39, 0.7);
}

body.dark-mode .project-card h3{
    color:#f1f5f9;
}

body.dark-mode .project-card p{
    color:#cbd5e1;
}

/* Project arrow detail */
.project-card::after{
    content:"\f0a9";
    font-family:"Font Awesome 6 Free";
    font-weight:400;
    position:absolute;
    bottom:20px;
    right:20px;
    color:rgba(56,189,248,0.2);
    font-size:24px;
    transition:all .3s ease;
}

.project-card:hover::after{
    color:rgba(56,189,248,0.8);
    transform:translateX(5px);
}

/* =====================================================
                PUBLICATIONS
===================================================== */

.publication-card{
    background:rgba(255,255,255,.4);
    padding:35px;
    border-radius:20px;
    margin-bottom:30px;
    box-shadow:0 12px 35px rgba(0,0,0,.08);
    transition:all .35s ease;
    backdrop-filter:blur(10px);
    border:1px solid rgba(255,255,255,.3);
    position:relative;
    overflow:hidden;
}

.publication-card::before{
    content:"";
    position:absolute;
    inset:0;
    border-radius:inherit;
    padding:1px;
    background:linear-gradient(135deg, #2563eb, #38bdf8, transparent);
    -webkit-mask:
        linear-gradient(#fff 0 0) content-box,
        linear-gradient(#fff 0 0);
    -webkit-mask-composite:destination-out;
    mask-composite:exclude;
    opacity:0;
    transition:opacity .35s ease;
    pointer-events:none;
}

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

.publication-card:hover{
    transform:translateY(-10px) scale(1.01);
    box-shadow:0 20px 45px rgba(56,189,248,0.25);
    border-color:rgba(56,189,248,0.4);
}

.badge{
    display:inline-flex;
    align-items:center;
    gap:6px;
    background:linear-gradient(135deg, #2563eb, #38bdf8);
    color:white;
    padding:8px 18px;
    border-radius:30px;
    font-size:13px;
    margin-bottom:20px;
    box-shadow:0 0 15px rgba(56,189,248,0.4);
    animation:glowPulse 2.5s ease-in-out infinite;
    position:relative;
    z-index:2;
}

.badge::before{
    content:"";
    position:absolute;
    inset:-2px;
    border-radius:inherit;
    background:inherit;
    z-index:-1;
    filter:blur(8px);
    opacity:0.6;
}

@keyframes glowPulse{
    0%,100%{ box-shadow:0 0 15px rgba(56,189,248,0.4); }
    50%{ box-shadow:0 0 25px rgba(56,189,248,0.7); }
}

.publication-card h3{
    margin-bottom:18px;
    color:#0f172a;
    position:relative;
    z-index:2;
}

.publication-card p{
    color:#64748b;
    margin-bottom:25px;
    position:relative;
    z-index:2;
}

.publication-btn{
    display:inline-flex;
    align-items:center;
    gap:10px;
    padding:12px 24px;
    border-radius:40px;
    background:linear-gradient(135deg, #2563eb, #38bdf8);
    color:white;
    transition:all .3s ease;
    position:relative;
    z-index:2;
    overflow:hidden;
    border:none;
    cursor:pointer;
    text-decoration:none;
}

.publication-btn::after{
    content:"";
    position:absolute;
    top:50%;
    left:50%;
    width:0;
    height:0;
    border-radius:50%;
    background:rgba(255,255,255,0.3);
    transform:translate(-50%, -50%);
    transition:width .5s, height .5s;
    z-index:0;
}

.publication-btn:hover::after{
    width:200px;
    height:200px;
}

.publication-btn{
    z-index:1;
}

.publication-btn:hover{
    transform:translateX(5px);
    box-shadow:0 0 20px rgba(56,189,248,0.5);
    background:linear-gradient(135deg, #3b82f6, #0ea5e9);
}

.publication-btn i{
    transition:transform .3s ease;
}

.publication-btn:hover i{
    transform:translateY(-3px);
}

body.dark-mode .publication-card{
    background:rgba(17, 24, 39, 0.5);
    border-color:rgba(56,189,248,0.3);
}

body.dark-mode .publication-card h3{
    color:#f1f5f9;
}

body.dark-mode .publication-card p{
    color:#cbd5e1;
}

/* =====================================================
                JOKE SECTION
===================================================== */

#fun{
    text-align:center;
}

.joke-btn{
    background:linear-gradient(135deg, #2563eb, #38bdf8);
    color:white;
    border:none;
    padding:15px 35px;
    border-radius:50px;
    cursor:pointer;
    font-size:16px;
    transition:all .3s ease;
    display:inline-flex;
    align-items:center;
    gap:10px;
    margin-top:20px;
    overflow:hidden;
    position:relative;
    z-index:1;
}

.joke-btn::after{
    content:"";
    position:absolute;
    top:50%;
    left:50%;
    width:0;
    height:0;
    border-radius:50%;
    background:rgba(255,255,255,0.3);
    transform:translate(-50%, -50%);
    transition:width .5s, height .5s;
    z-index:0;
}

.joke-btn:hover::after{
    width:300px;
    height:300px;
}

.joke-btn{
    z-index:1;
}

.joke-btn:hover{
    transform:translateY(-4px) scale(1.03);
    box-shadow:0 8px 25px rgba(56,189,248,0.5);
    background:linear-gradient(135deg, #3b82f6, #0ea5e9);
}

.joke-btn i{
    transition:transform .3s ease;
}

.joke-btn:hover i{
    transform:scale(1.2) rotate(5deg);
}

.joke-box{
    margin-top:30px;
    background:rgba(255,255,255,.4);
    padding:35px;
    border-radius:18px;
    box-shadow:0 12px 35px rgba(0,0,0,.08);
    backdrop-filter:blur(10px);
    border:1px solid rgba(255,255,255,.3);
    position:relative;
    overflow:hidden;
}

.joke-box::before{
    content:"";
    position:absolute;
    inset:0;
    border-radius:inherit;
    padding:1px;
    background:linear-gradient(135deg, #2563eb, #38bdf8, transparent);
    -webkit-mask:
        linear-gradient(#fff 0 0) content-box,
        linear-gradient(#fff 0 0);
    -webkit-mask-composite:destination-out;
    mask-composite:exclude;
    opacity:0;
    transition:opacity .35s ease;
    pointer-events:none;
}

.joke-box:hover::before{
    opacity:1;
}

.joke-box:hover{
    transform:translateY(-5px);
    border-color:rgba(56,189,248,0.4);
}

#joke{
    font-size:18px;
    color:#475569;
    position:relative;
    z-index:2;
}

body.dark-mode .joke-box{
    background:rgba(17, 24, 39, 0.5);
    border-color:rgba(56,189,248,0.3);
}

body.dark-mode #joke{
    color:#cbd5e1;
}

body.dark-mode .joke-btn{
    box-shadow:0 8px 25px rgba(56,189,248,0.4);
}

/* =====================================================
                CONTACT
===================================================== */

.contact-grid{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
    gap:30px;
}

.contact-card{
    background:rgba(255,255,255,.4);
    padding:35px;
    border-radius:20px;
    text-align:center;
    box-shadow:0 12px 35px rgba(0,0,0,.08);
    transition:all .35s ease;
    backdrop-filter:blur(10px);
    border:1px solid rgba(255,255,255,.3);
    position:relative;
    overflow:hidden;
}

.contact-card::before{
    content:"";
    position:absolute;
    inset:0;
    border-radius:inherit;
    padding:1px;
    background:linear-gradient(135deg, #2563eb, #38bdf8, transparent);
    -webkit-mask:
        linear-gradient(#fff 0 0) content-box,
        linear-gradient(#fff 0 0);
    -webkit-mask-composite:destination-out;
    mask-composite:exclude;
    opacity:0;
    transition:opacity .35s ease;
    pointer-events:none;
}

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

.contact-card:hover{
    transform:translateY(-10px) scale(1.03);
    box-shadow:0 20px 45px rgba(56,189,248,0.3);
    border-color:rgba(56,189,248,0.4);
}

.contact-card i{
    font-size:42px;
    color:#2563eb;
    margin-bottom:18px;
    transition:all .35s ease;
    filter:drop-shadow(0 0 8px rgba(37, 99, 235, 0.3));
    animation:floatIcon 9s ease-in-out infinite;
}

.contact-card:hover i{
    filter:drop-shadow(0 0 15px rgba(56,189,248,0.7));
    transform:scale(1.15) rotate(5deg);
}

.contact-card h3{
    margin-bottom:12px;
    position:relative;
    z-index:2;
    color:#0f172a;
}

.contact-card p,
.contact-card a{
    color:#64748b;
    word-break:break-word;
    position:relative;
    z-index:2;
}

.contact-card a:hover{
    color:#2563eb;
}

body.dark-mode .contact-card{
    background:rgba(17, 24, 39, 0.5);
    border-color:rgba(56,189,248,0.3);
}

body.dark-mode .contact-card h3{
    color:#e2e8f0;
}

body.dark-mode .contact-card p,
body.dark-mode .contact-card a{
    color:#cbd5e1;
}

body.dark-mode .contact-card a:hover{
    color:#38bdf8;
}

/* =====================================================
                FOOTER
===================================================== */

footer{
    background:linear-gradient(135deg, #020617 0%, #0f172a 50%, #1e293b 100%);
    color:white;
    text-align:center;
    padding:60px 20px;
    margin-top:80px;
    position:relative;
    z-index:1;
    overflow:hidden;
    border-top:1px solid rgba(56,189,248,0.2);
}

footer::before{
    content:"";
    position:absolute;
    top:0;
    left:0;
    width:100%;
    height:100%;
    background:
        radial-gradient(circle at 20% 30%, rgba(56,189,248,0.08) 2px, transparent 4px),
        radial-gradient(circle at 80% 70%, rgba(56,189,248,0.08) 2px, transparent 4px),
        radial-gradient(circle at 50% 50%, rgba(56,189,248,0.05) 1px, transparent 3px);
    background-size:80px 80px;
    z-index:0;
    opacity:0.4;
    animation:pulse 10s ease-in-out infinite;
}

footer h3{
    font-size:28px;
    margin-bottom:15px;
    position:relative;
    z-index:2;
    background:linear-gradient(90deg, #ffffff, #38bdf8);
    -webkit-background-clip:text;
    -webkit-text-fill-color:transparent;
    background-clip:text;
    text-fill-color:transparent;
}

footer p{
    color:#cbd5e1;
    margin:10px 0;
    position:relative;
    z-index:2;
}

.footer-icons{
    display:flex;
    justify-content:center;
    gap:20px;
    margin:25px 0;
    position:relative;
    z-index:2;
}

.footer-icons a{
    width:50px;
    height:50px;
    border-radius:50%;
    background:rgba(56,189,248,0.1);
    display:flex;
    justify-content:center;
    align-items:center;
    color:white;
    font-size:20px;
    transition:all .3s ease;
    border:1px solid rgba(56,189,248,0.3);
    position:relative;
    overflow:hidden;
}

.footer-icons a::before{
    content:attr(data-tooltip);
    position:absolute;
    bottom:-35px;
    left:50%;
    transform:translateX(-50%);
    background:rgba(0,0,0,0.8);
    color:#fff;
    padding:5px 12px;
    border-radius:6px;
    font-size:12px;
    opacity:0;
    transition:opacity .3s ease;
    white-space:nowrap;
    pointer-events:none;
    z-index:10;
}

.footer-icons a:hover::before{
    opacity:1;
}

.footer-icons a::after{
    content:"";
    position:absolute;
    inset:0;
    border-radius:inherit;
    background:linear-gradient(135deg, #38bdf8, #2563eb);
    opacity:0;
    transition:opacity .3s ease;
    z-index:-1;
}

.footer-icons a:hover::after{
    opacity:1;
}

.footer-icons a:hover{
    transform:translateY(-5px) scale(1.1) rotate(5deg);
    background:transparent;
    box-shadow:0 0 20px rgba(56,189,248,0.5);
    border-color:rgba(56,189,248,0.6);
}

footer .copyright{
    margin-top:25px;
    font-size:15px;
    color:#94a3b8;
    position:relative;
    z-index:2;
}

/* Footer floating particles */
footer::after{
    content:"";
    position:absolute;
    top:10%;
    left:5%;
    width:6px;
    height:6px;
    background:rgba(56,189,248,0.3);
    border-radius:50%;
    box-shadow:100px 50px rgba(56,189,248,0.2),
        200px 100px rgba(56,189,248,0.15),
        50px 200px rgba(56,189,248,0.2),
        300px 30px rgba(56,189,248,0.25);
    animation:pulse 6s ease-in-out infinite;
    z-index:0;
}

/* =====================================================
                DARK MODE
===================================================== */

body.dark-mode{
    background:#0f172a;
    color:#e2e8f0;
}

body.dark-mode .about-text,
body.dark-mode .timeline-content,
body.dark-mode .research-card,
body.dark-mode .project-card,
body.dark-mode .publication-card,
body.dark-mode .contact-card,
body.dark-mode .joke-box,
body.dark-mode .stat-card{
    background:rgba(17, 24, 39, 0.5);
    color:#e2e8f0;
    border:1px solid rgba(56,189,248,0.3);
}

body.dark-mode .hero{
    background:
        linear-gradient(
            135deg,
            #020617 0%,
            #0f172a 45%,
            #1e293b 100%
        );
}

body.dark-mode .hero-badge,
body.dark-mode .hero-buttons .btn,
body.dark-mode .social-icons a,
body.dark-mode #darkModeBtn{
    background:rgba(255,255,255,.05);
    border-color:rgba(56,189,248,0.3);
}

body.dark-mode .hero h1{
    background:linear-gradient(90deg, #94a3b8, #38bdf8, #94a3b8);
    -webkit-background-clip:text;
    -webkit-text-fill-color:transparent;
    background-clip:text;
}

body.dark-mode .hero h3{
    color:#38bdf8;
}

body.dark-mode .hero-description{
    color:#cbd5e1;
}

body.dark-mode .section-title span{
    color:#38bdf8;
}

body.dark-mode .section-title h2{
    background:linear-gradient(90deg, #cbd5e1, #38bdf8);
    -webkit-background-clip:text;
    -webkit-text-fill-color:transparent;
    background-clip:text;
}

body.dark-mode .progress-bar{
    background:#334155;
}

body.dark-mode .skill-info span:first-child{
    color:#e2e8f0;
}

body.dark-mode .skill-info span:last-child{
    color:#38bdf8;
}

body.dark-mode .stat-card{
    background:rgba(17, 24, 39, 0.4);
    border-color:rgba(56,189,248,0.3);
}

body.dark-mode .stat-card h2{
    color:#f1f5f9;
}

body.dark-mode .stat-card p,
body.dark-mode .stat-card i{
    color:#cbd5e1;
}

body.dark-mode .research-card:hover{
    background:rgba(17, 24, 39, 0.6);
}

body.dark-mode .section-title h2{
    color:#f1f5f9;
}

body.dark-mode .section-title span{
    color:#38bdf8;
}

body.dark-mode p,
body.dark-mode .timeline-content p,
body.dark-mode .project-card p,
body.dark-mode .publication-card p,
body.dark-mode .contact-card p,
body.dark-mode .contact-card a,
body.dark-mode #joke,
body.dark-mode .about-text p{
    color:#cbd5e1;
}

body.dark-mode .section-title h2,
body.dark-mode .project-card h3,
body.dark-mode .publication-card h3,
body.dark-mode .timeline-content h3,
body.dark-mode .skill-info span:first-child,
body.dark-mode .stat-card h2{
    color:#f1f5f9;
}

body.dark-mode .research-card h3,
body.dark-mode .contact-card h3{
    color:#e2e8f0;
}

body.dark-mode footer{
    background:linear-gradient(135deg, #020617 0%, #0f172a 40%, #1e293b 100%);
}

body.dark-mode .copyright{
    color:#64748b;
}

body.dark-mode .footer-icons a{
    background:rgba(56,189,248,0.15);
}

body.dark-mode nav{
    background:rgba(2, 6, 23, 0.7);
}

body.dark-mode nav.scrolled{
    background:rgba(2, 6, 23, 0.85);
}

body.dark-mode .nav-links a{
    color:#e2e8f0;
}

body.dark-mode .nav-links a.active{
    color:#38bdf8;
}

body.dark-mode .logo{
    color:#f1f5f9;
}

body.dark-mode .hero-description strong{
    color:#38bdf8;
}

body.dark-mode .stat-card i{
    color:#38bdf8;
}

body.dark-mode .research-card i{
    color:#38bdf8;
}

body.dark-mode .project-icon,
body.dark-mode .contact-card i{
    color:#38bdf8;
}

body.dark-mode .timeline-content h3{
    color:#f1f5f9;
}

body.dark-mode .timeline-content h4{
    color:#38bdf8;
}

body.dark-mode .publication-btn{
    background:linear-gradient(135deg, #38bdf8, #0ea5e9);
}

body.dark-mode .joke-btn{
    background:linear-gradient(135deg, #38bdf8, #2563eb);
}

/* =====================================================
                RESPONSIVE
===================================================== */

@media(max-width:992px){
    .hero h1{ font-size:50px; }
    .hero h3{ font-size:28px; }
    .bg-orb{ display:none; }
    .floating-tech i{ font-size:20px; }
}

@media(max-width:768px){
    .bg-orb{ display:none; }
    .floating-tech{ display:none; }
    .network-grid{ display:none; }

    nav{
        flex-direction:column;
        gap:20px;
        position:relative;
    }

    .nav-links{
        flex-direction:column;
        gap:15px;
    }

    .hero{
        min-height:auto;
        padding:80px 0;
    }

    .hero h1{ font-size:38px; }
    .hero h3{ font-size:24px; }

    .hero-description{ font-size:16px; }

    .hero-buttons{
        flex-direction:column;
        align-items:center;
    }

    .section-title h2{ font-size:34px; }

    .stats{
        grid-template-columns:1fr 1fr;
        gap:20px;
    }

    .timeline::before{ left:15px; }
    .timeline-item{ padding-left:55px; }
    .timeline-dot{ left:2px; }

    .research-grid{
        grid-template-columns:1fr 1fr;
        gap:20px;
    }

    .research-card{ padding:30px 15px; }
}

@media(max-width:480px){
    .hero h1{ font-size:30px; }
    .section-title h2{ font-size:28px; }

    .btn{
        width:100%;
        text-align:center;
    }

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

    .social-icons{
        gap:15px;
    }
    .social-icons a{ width:46px; height:46px; font-size:18px; }

    .hero-badge{ font-size:13px; padding:8px 18px; }
    .hero-description{ font-size:15px; }

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

    .nav-links{ gap:12px; }
}

/* =====================================================
                ACTIVE NAVIGATION LINK
===================================================== */

.nav-links a.active{
    color:#38bdf8;
}

.nav-links a.active::after{
    width:100%;
}

/* =====================================================
                FADE ANIMATION (legacy compat)
===================================================== */

.fade{
    opacity:0;
    transform:translateY(40px);
    transition:all .8s ease;
}

.fade.show{
    opacity:1;
    transform:translateY(0);
}

/* =====================================================
        FIXED NAVBAR — FINAL FIX
===================================================== */

nav.scrolled {
    height: 100px;
    top: 3px;
    left: 0;
    width: 100%;
    height: 100px;

    padding: 0 8%;

    display: flex;
    justify-content: space-between;
    align-items: center;

    background: #020617;

    z-index: 2000;

    box-sizing: border-box;

    border-bottom: 1px solid rgba(56, 189, 248, 0.15);

    transition:
        background 0.3s ease,
        box-shadow 0.3s ease,
        backdrop-filter 0.3s ease;
}


/* Navbar after scrolling */
nav.scrolled {
    padding: 0 8%;     /* IMPORTANT: keep same padding */
    height: 100px;     /* IMPORTANT: keep same height */

    background: rgba(2, 6, 23, 0.96);

    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);

    box-shadow: 0 5px 25px rgba(0, 0, 0, 0.35);
}


/* Keep progress line above navbar */
.scroll-progress {
    z-index: 3000;
}


/* Prevent clicked sections from hiding under navbar */
section {
    scroll-margin-top: 110px;
}


/* Same for home */
#home {
    scroll-margin-top: 110px;
}

/* =====================================================
                BACK TO TOP BUTTON
===================================================== */

.back-to-top {
    position: fixed;
    right: 30px;
    bottom: 30px;

    width: 55px;
    height: 55px;

    display: flex;
    align-items: center;
    justify-content: center;

    border-radius: 50%;

    background: linear-gradient(135deg, #2563eb, #38bdf8);

    color: #ffffff;
    font-size: 20px;

    border: 1px solid rgba(56, 189, 248, 0.5);

    box-shadow:
        0 8px 25px rgba(37, 99, 235, 0.35),
        0 0 15px rgba(56, 189, 248, 0.25);

    z-index: 1900;

    opacity: 0;
    visibility: hidden;

    transform: translateY(20px);

    transition:
        opacity .3s ease,
        visibility .3s ease,
        transform .3s ease,
        box-shadow .3s ease;
}


/* Button visible */
.back-to-top.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}


/* Hover */
.back-to-top:hover {
    transform: translateY(-6px) scale(1.08);

    box-shadow:
        0 12px 30px rgba(37, 99, 235, 0.5),
        0 0 25px rgba(56, 189, 248, 0.5);
}


/* Arrow animation */
.back-to-top i {
    transition: transform .3s ease;
}

.back-to-top:hover i {
    transform: translateY(-4px);
}


/* Dark mode */
body.dark-mode .back-to-top {
    background: linear-gradient(135deg, #0ea5e9, #2563eb);

    border-color: rgba(56, 189, 248, 0.6);
}


/* Mobile */
@media (max-width: 768px) {

    .back-to-top {
        width: 48px;
        height: 48px;

        right: 18px;
        bottom: 18px;

        font-size: 17px;
    }
}