/* ==========================================================
   GOOGLE FONT
========================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

/* ==========================================================
   VARIABLES
========================================================== */

:root{

    /* ---- Existing core tokens (unchanged) ---- */

    --background:#0D1117;
    --surface:#161B22;
    --surface-light:#21262D;

    --primary:#58A6FF;
    --primary-hover:#79C0FF;

    --text:#F0F6FC;
    --text-secondary:#8B949E;

    --border:#30363D;

    --success:#3FB950;

    --container:1200px;

    --radius:18px;

    --transition:.30s ease;

    --shadow:
        0 20px 50px rgba(0,0,0,.35);

    /* ---- Spacing scale ----
       Named tokens for the pixel values already in use
       across the project. Introduced here so future
       section refactors can reference a scale instead of
       repeating magic numbers — existing rules are left
       untouched until each section is refactored in turn. */

    --space-1:4px;
    --space-2:8px;
    --space-3:12px;
    --space-4:16px;
    --space-5:24px;
    --space-6:32px;
    --space-7:48px;
    --space-8:64px;
    --space-9:96px;
    --space-10:130px;

    /* ---- Radius scale ----
       The project currently mixes 12/16/18/20/22/24px
       radii across cards. This scale gives those values
       names so they can be consolidated section by section
       without guessing at a number each time. */

    --radius-sm:12px;
    --radius-md:18px;
    --radius-lg:22px;
    --radius-xl:24px;
    --radius-full:999px;

    /* ---- Elevation scale ---- */

    --shadow-sm:0 8px 20px rgba(0,0,0,.25);
    --shadow-md:0 20px 50px rgba(0,0,0,.35);
    --shadow-lg:0 30px 70px rgba(0,0,0,.45);

    /* ---- Glass effect ---- */

    --glass-bg:rgba(22,27,34,.6);
    --glass-border:rgba(255,255,255,.08);
    --glass-blur:blur(20px);

    /* ---- Glow effect ---- */

    --glow-primary:radial-gradient(circle,rgba(88,166,255,.18),transparent 70%);
    --glow-soft:radial-gradient(circle,rgba(88,166,255,.10),transparent 70%);

    /* ---- Motion ----
       Two easing curves: one for things entering/settling
       (ease-out — fast start, gentle stop, feels responsive)
       and one for state changes like hover (ease-in-out —
       symmetrical, feels stable rather than snappy). */

    --ease-out:cubic-bezier(.16,1,.3,1);
    --ease-in-out:cubic-bezier(.65,0,.35,1);

    --duration-fast:.15s;
    --duration-base:.3s;
    --duration-slow:.6s;

    /* ---- Focus ring (accessibility) ---- */

    --focus-ring:0 0 0 3px rgba(88,166,255,.45);

}

/* ==========================================================
   FOCUS VISIBILITY
   Purely additive: only appears for keyboard focus
   (:focus-visible), never on mouse click, so it doesn't
   change the existing pointer-driven look of any element.
========================================================== */

:focus-visible{

    outline:none;

    box-shadow:var(--focus-ring);

    border-radius:var(--radius-sm);

}

a:focus-visible,
button:focus-visible{

    box-shadow:var(--focus-ring);

}

/* ==========================================================
   RESET
========================================================== */

*{

    margin:0;
    padding:0;
    box-sizing:border-box;

}

html{

    scroll-behavior:smooth;

}

body{

    font-family:'Inter',sans-serif;

    background:
    radial-gradient(circle at top right,
    rgba(88,166,255,.08),
    transparent 30%),

    radial-gradient(circle at bottom left,
    rgba(88,166,255,.05),
    transparent 35%),

    var(--background);

    color:var(--text);

    overflow-x:hidden;

}

img{

    display:block;
    width:100%;

}

a{

    text-decoration:none;
    color:inherit;

}

button{

    border:none;
    outline:none;

    cursor:pointer;

    font-family:inherit;

}

ul{

    list-style:none;

}

section{

    padding:130px 0;

}

.container{

    width:min(92%,var(--container));

    margin:auto;

}

/* ==========================================================
   SECTION SPACING OVERRIDES
   (per-section top padding adjustments)
========================================================== */

#experience{

    padding-top:70px;

}

#highlights{

    padding-top:40px;

}

#skills{

    padding-top:90px;

}

#projects{

    padding-top:90px;

}

#contact{

    padding-top:90px;

}

/* ==========================================================
   TYPOGRAPHY
========================================================== */

.section-header{

    text-align:center;

    margin-bottom:70px;

}

.section-subtitle{

    color:var(--primary);

    font-size:.9rem;

    font-weight:700;

    letter-spacing:2px;

    text-transform:uppercase;

    margin-bottom:15px;

}

.section-header h2{

    font-size:3rem;

    font-weight:800;

    margin-bottom:20px;

}

.section-description{

    color:var(--text-secondary);

    font-size:1.05rem;

    line-height:1.8;

    max-width:720px;

    margin:auto;

}

h1{

    font-size:4.8rem;

    line-height:1.05;

    font-weight:800;

}

h2{

    font-size:3rem;

}

h3{

    font-size:1.4rem;

}

p{

    color:var(--text-secondary);

    line-height:1.9;

}

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

.btn{

    display:inline-flex;

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

    gap:10px;

    padding:15px 34px;

    border-radius:999px;

    font-weight:600;

    transition:var(--transition);

}

.btn-primary{

    background:var(--primary);

    color:#fff;

}

.btn-primary:hover{

    background:var(--primary-hover);

    transform:translateY(-3px);

}

.btn-secondary{

    border:1px solid var(--border);

    background:transparent;

}

.btn-secondary:hover{

    border-color:var(--primary);

    color:var(--primary);

    transform:translateY(-3px);

}

.btn-nav{

    padding:12px 24px;

    border-radius:999px;

    background:var(--primary);

    color:#fff;

    font-weight:600;

    transition:var(--transition);

}

.btn-nav:hover{

    background:var(--primary-hover);

}

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

.header{

    position:fixed;

    top:0;
    left:0;

    width:100%;

    z-index:999;

    backdrop-filter:blur(18px);

    background:rgba(13,17,23,.75);

    border-bottom:1px solid rgba(255,255,255,.04);

    transition:box-shadow .3s ease;

}

.header.scrolled{

    box-shadow:0 12px 35px rgba(0,0,0,.25);

}

.navbar{

    height:82px;

    display:flex;

    justify-content:space-between;

    align-items:center;

}

.logo{

    font-size:1.55rem;

    font-weight:800;

    letter-spacing:-1px;

    color:var(--text);

    transition:var(--transition);

}

.logo span{

    color:var(--primary);

}

.logo:hover{

    transform:translateY(-2px);

}

.nav-links{

    display:flex;

    align-items:center;

    gap:38px;

}

.nav-links a{

    position:relative;

    color:var(--text-secondary);

    font-weight:500;

    transition:var(--transition);

}

.nav-links a:hover{

    color:var(--text);

}

.nav-links a::after{

    content:"";

    position:absolute;

    left:0;

    bottom:-8px;

    width:0;

    height:2px;

    border-radius:999px;

    background:var(--primary);

    transition:.3s ease;

}

.nav-links a:hover::after,

.nav-links a.active::after{

    width:100%;

}

.nav-links a.active{

    color:var(--text);

}

/* ==========================================================
   MOBILE MENU TOGGLE (hamburger)
========================================================== */

.menu-toggle{

    display:none;

    width:48px;

    height:48px;

    border:none;

    background:transparent;

    cursor:pointer;

    position:relative;

    z-index:1100;

}

.menu-toggle span{

    display:block;

    width:26px;

    height:2px;

    margin:6px auto;

    background:var(--text);

    transition:.3s ease;

}

.menu-toggle.active span:nth-child(1){

    transform:translateY(8px) rotate(45deg);

}

.menu-toggle.active span:nth-child(2){

    opacity:0;

}

.menu-toggle.active span:nth-child(3){

    transform:translateY(-8px) rotate(-45deg);

}

/* ==========================================================
   MOBILE MENU DRAWER
========================================================== */

.mobile-menu{

    position:fixed;

    top:0;

    right:-320px;

    width:300px;

    height:100vh;

    background:#111827;

    border-left:1px solid var(--border);

    display:flex;

    flex-direction:column;

    padding:120px 35px 35px;

    gap:24px;

    transition:.35s ease;

    z-index:1050;

}

.mobile-menu.active{

    right:0;

}

.mobile-menu a{

    font-size:1.05rem;

    color:var(--text-secondary);

    transition:.3s;

}

.mobile-menu a:hover{

    color:var(--primary);

}

.mobile-menu a.mobile-cv{

    margin-top:30px;

    padding:14px;

    text-align:center;

    border-radius:12px;

    background:var(--primary);

    color:#fff;

}

/* ==========================================================
   MOBILE MENU OVERLAY
========================================================== */

.menu-overlay{

    position:fixed;

    inset:0;

    background:rgba(0,0,0,.55);

    opacity:0;

    visibility:hidden;

    transition:.3s;

    z-index:1040;

}

.menu-overlay.active{

    opacity:1;

    visibility:visible;

}

body.menu-open{

    overflow:hidden;

}

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

.hero{

    min-height:100vh;

    display:flex;

    align-items:center;

    padding-top:120px;

    position:relative;

    overflow:hidden;

}

.hero::after{

    content:"";

    position:absolute;

    top:-250px;

    right:-250px;

    width:700px;

    height:700px;

    border-radius:50%;

    background:radial-gradient(circle,
    rgba(88,166,255,.08),
    transparent 70%);

    pointer-events:none;

}

.hero-wrapper{

    display:grid;

    grid-template-columns:1fr 460px;

    gap:90px;

    align-items:center;

}

.hero-left{

    max-width:680px;

}

.hero-badges{

    display:flex;

    align-items:center;

    gap:16px;

    flex-wrap:wrap;

    margin-bottom:28px;

}

/* ==========================================================
   STATUS BADGE
========================================================== */

.status-badge{

    display:flex;

    align-items:center;

    gap:10px;

    padding:10px 18px;

    background:var(--surface);

    border:1px solid var(--border);

    border-radius:999px;

    font-size:.9rem;

}

.status-dot{

    width:10px;

    height:10px;

    border-radius:50%;

    background:var(--success);

    box-shadow:0 0 12px var(--success);

}

.hero-tag{

    padding:10px 18px;

    border-radius:999px;

    border:1px solid var(--border);

    color:var(--primary);

    font-size:.85rem;

    letter-spacing:1px;

    font-weight:700;

}

/* ==========================================================
   HERO CONTENT
========================================================== */

.hero h1{

    margin-bottom:32px;

    max-width:680px;

}

.hero-description{

    font-size:1.12rem;

    max-width:640px;

    margin-bottom:40px;

}

.hero-info{

    display:flex;

    gap:22px;

    flex-wrap:wrap;

    margin-bottom:40px;

}

.hero-info-card{

    background:var(--surface);

    border:1px solid var(--border);

    border-radius:18px;

    padding:22px;

    min-width:210px;

    transition:var(--transition);

}

.hero-info-card:hover{

    transform:translateY(-5px);

    border-color:var(--primary);

}

.info-title{

    display:block;

    color:var(--primary);

    font-size:.82rem;

    font-weight:700;

    letter-spacing:1px;

    margin-bottom:12px;

}

.hero-info-card p{

    color:var(--text);

    margin-bottom:5px;

    font-weight:500;

}

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

.hero-buttons{

    display:flex;

    gap:18px;

    flex-wrap:wrap;

    margin-bottom:40px;

}

/* ==========================================================
   TECH STACK
========================================================== */

.tech-stack{

    display:flex;

    flex-wrap:wrap;

    gap:14px;

    margin-bottom:35px;

}

.tech-stack span{

    padding:11px 18px;

    border-radius:999px;

    background:var(--surface);

    border:1px solid var(--border);

    font-size:.92rem;

    font-weight:600;

    transition:var(--transition);

}

.tech-stack span:hover{

    border-color:var(--primary);

    background:var(--surface-light);

    transform:translateY(-3px);

}

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

.hero-socials{

    display:flex;

    gap:30px;

}

.hero-socials a{

    position:relative;

    color:var(--text-secondary);

    font-weight:500;

    transition:var(--transition);

}

.hero-socials a:hover{

    color:var(--primary);

}

.hero-socials a::after{

    content:"";

    position:absolute;

    left:0;

    bottom:-4px;

    width:0;

    height:2px;

    background:var(--primary);

    transition:.3s ease;

}

.hero-socials a:hover::after{

    width:100%;

}

/* ==========================================================
   HERO RIGHT
========================================================== */

.hero-right{

    position:relative;

    display:flex;

    justify-content:center;

    align-items:center;

}

.profile-glow{

    position:absolute;

    width:560px;

    height:560px;

    border-radius:50%;

    background:var(--primary);

    filter:blur(180px);

    opacity:.16;

}

.profile-image{

    width:420px;

    height:420px;

    object-fit:cover;

    border-radius:50%;

    border:3px solid var(--border);

    position:relative;

    z-index:2;

    box-shadow:var(--shadow);

    transition:var(--transition);

    will-change:transform;

}

.profile-image:hover{

    transform:scale(1.02);

}

/* ==========================================================
   FLOATING CARD
========================================================== */

.floating-card{

    position:absolute;

    bottom:10px;

    right:-20px;

    background:var(--surface);

    border:1px solid var(--border);

    border-radius:18px;

    padding:22px;

    z-index:5;

    min-width:240px;

    box-shadow:var(--shadow);

    will-change:transform;

}

.floating-title{

    display:block;

    color:var(--primary);

    font-size:.82rem;

    font-weight:700;

    letter-spacing:1px;

    margin-bottom:10px;

}

.floating-card h3{

    margin-bottom:8px;

}

.floating-card p{

    font-size:.95rem;

}

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

.about-grid{

    display:grid;

    grid-template-columns:1.1fr .9fr;

    gap:80px;

    align-items:start;

}

.about-content{

    display:flex;

    flex-direction:column;

    gap:28px;

}

.about-content p{

    font-size:1.08rem;

    line-height:1.9;

}

.about-cards{

    display:grid;

    grid-template-columns:repeat(2,1fr);

    gap:22px;

}

.about-card{

    background:var(--surface);

    border:1px solid var(--border);

    border-radius:20px;

    padding:30px;

    transition:var(--transition);

}

.about-card:hover{

    transform:translateY(-6px);

    border-color:var(--primary);

    box-shadow:var(--shadow);

}

.about-icon{

    display:flex;

    align-items:center;

    justify-content:center;

    width:60px;

    height:60px;

    border-radius:16px;

    background:rgba(88,166,255,.12);

    margin-bottom:22px;

    font-size:1.5rem;

}

.about-card h3{

    margin-bottom:14px;

}

.about-card p{

    margin-bottom:6px;

    color:var(--text-secondary);

}

/* ==========================================================
   EXPERIENCE
========================================================== */

.timeline{

    position:relative;

    max-width:900px;

    margin:auto;

    padding-left:40px;

}

.timeline::before{

    content:"";

    position:absolute;

    left:10px;

    top:0;

    bottom:0;

    width:2px;

    background:var(--border);

}

.timeline-item{

    position:relative;

    margin-bottom:50px;

}

.timeline-dot{

    position:absolute;

    left:-38px;

    top:8px;

    width:20px;

    height:20px;

    border-radius:50%;

    background:var(--primary);

    border:4px solid var(--background);

    box-shadow:0 0 15px rgba(88,166,255,.5);

}

.timeline-content{

    background:var(--surface);

    border:1px solid var(--border);

    border-radius:20px;

    padding:35px;

    transition:var(--transition);

}

.timeline-content:hover{

    transform:translateY(-6px);

    border-color:var(--primary);

    box-shadow:var(--shadow);

}

.timeline-date{

    display:inline-block;

    margin-bottom:14px;

    color:var(--primary);

    font-weight:700;

    letter-spacing:1px;

    font-size:.9rem;

}

.timeline-content h3{

    margin-bottom:8px;

}

.timeline-content h4{

    margin-bottom:20px;

    color:var(--text-secondary);

    font-weight:500;

}

/* ==========================================================
   HIGHLIGHTS
========================================================== */

.highlights-grid{

    display:grid;

    grid-template-columns:repeat(4,1fr);

    gap:25px;

}

.highlight-card{

    background:var(--surface);

    border:1px solid var(--border);

    border-radius:20px;

    padding:40px 25px;

    text-align:center;

    transition:var(--transition);

}

.highlight-card:hover{

    transform:translateY(-6px);

    border-color:var(--primary);

    box-shadow:var(--shadow);

}

.highlight-card h2{

    font-size:2.7rem;

    color:var(--primary);

    margin-bottom:12px;

}

.highlight-card p{

    font-size:.95rem;

}

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

.skills-grid{

    display:grid;

    grid-template-columns:repeat(2,1fr);

    gap:30px;

}

.skill-card{

    background:var(--surface);

    border:1px solid var(--border);

    border-radius:22px;

    padding:35px;

    transition:var(--transition);

    position:relative;

    overflow:hidden;

}

.skill-card::before{

    content:"";

    position:absolute;

    inset:0;

    background:linear-gradient(
        135deg,
        rgba(88,166,255,.08),
        transparent 50%
    );

    opacity:0;

    transition:var(--transition);

}

.skill-card:hover::before{

    opacity:1;

}

.skill-card:hover{

    transform:translateY(-8px);

    border-color:var(--primary);

    box-shadow:var(--shadow);

}

.skill-icon{

    width:70px;

    height:70px;

    display:flex;

    justify-content:center;

    align-items:center;

    border-radius:18px;

    background:rgba(88,166,255,.12);

    font-size:2rem;

    margin-bottom:24px;

}

.skill-card h3{

    margin-bottom:18px;

}

.skill-card p{

    margin-bottom:28px;

    font-size:1rem;

}

.skill-tags{

    display:flex;

    flex-wrap:wrap;

    gap:12px;

}

.skill-tags span{

    padding:10px 16px;

    background:var(--surface-light);

    border:1px solid var(--border);

    border-radius:999px;

    font-size:.9rem;

    font-weight:500;

    transition:var(--transition);

}

.skill-tags span:hover{

    border-color:var(--primary);

    color:var(--primary);

}

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

.projects-grid{

    display:grid;

    gap:35px;

}

.project-card{

    display:grid;

    grid-template-columns:380px 1fr;

    gap:40px;

    align-items:center;

    background:var(--surface);

    border:1px solid var(--border);

    border-radius:24px;

    padding:35px;

    transition:var(--transition);

    position:relative;

}

.project-card:hover{

    transform:translateY(-8px);

    border-color:var(--primary);

    box-shadow:var(--shadow);

}

.featured-project{

    border:1px solid rgba(88,166,255,.35);

}

.project-image{

    overflow:hidden;

    border-radius:18px;

    background:#0D1117;

    box-shadow:0 20px 40px rgba(0,0,0,.25);

}

.project-image img{

    display:block;

    width:100%;

    height:100%;

    aspect-ratio:16/10;

    object-fit:cover;

    transition:.45s ease;

}

.project-card:hover img{

    transform:scale(1.05);

}

.project-content{

    height:100%;

    display:flex;

    flex-direction:column;

    justify-content:center;

}

.project-content h3{

    margin-bottom:18px;

    font-size:2rem;

}

.project-content p{

    margin-bottom:25px;

}

.featured-badge{

    display:inline-flex;

    width:max-content;

    margin-bottom:20px;

    padding:8px 14px;

    border-radius:999px;

    background:rgba(88,166,255,.12);

    color:var(--primary);

    font-size:.82rem;

    font-weight:700;

    letter-spacing:1px;

}

.project-stack{

    display:flex;

    flex-wrap:wrap;

    gap:12px;

    margin-bottom:30px;

}

.project-stack span{

    padding:10px 16px;

    border-radius:999px;

    border:1px solid var(--border);

    background:var(--surface-light);

    font-size:.88rem;

    transition:var(--transition);

}

.project-stack span:hover{

    border-color:var(--primary);

    color:var(--primary);

}

.project-buttons{

    display:flex;

    gap:16px;

    flex-wrap:wrap;

}

.project-buttons .btn{

    min-width:150px;

}

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

.contact-grid{

    display:grid;

    grid-template-columns:repeat(3,1fr);

    gap:30px;

}

.contact-card{

    background:var(--surface);

    border:1px solid var(--border);

    border-radius:22px;

    padding:35px;

    transition:var(--transition);

    display:flex;

    flex-direction:column;

    gap:16px;

    position:relative;

    overflow:hidden;

}

.contact-card::before{

    content:"";

    position:absolute;

    inset:0;

    background:linear-gradient(
        135deg,
        rgba(88,166,255,.08),
        transparent 60%
    );

    opacity:0;

    transition:var(--transition);

}

.contact-card:hover::before{

    opacity:1;

}

.contact-card:hover{

    transform:translateY(-8px);

    border-color:var(--primary);

    box-shadow:var(--shadow);

}

.contact-card:hover h3{

    color:var(--primary);

}

.contact-card h3{

    font-size:1.4rem;

    color:var(--text);

}

.contact-card p{

    color:var(--text-secondary);

    word-break:break-word;

}

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

footer{

    margin-top:120px;

    border-top:1px solid var(--border);

    background:rgba(255,255,255,.015);

}

.footer-content{

    padding:70px 0;

    text-align:center;

}

.footer-content h3{

    margin-bottom:18px;

    font-size:1.8rem;

}

.footer-content p{

    max-width:650px;

    margin:10px auto 0;

}

.copyright{

    margin-top:30px;

    font-size:.95rem;

    color:var(--text-secondary);

}

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

#backToTop{

    position:fixed;

    right:30px;

    bottom:30px;

    width:55px;

    height:55px;

    border-radius:50%;

    border:none;

    background:var(--primary);

    color:#fff;

    font-size:1.25rem;

    cursor:pointer;

    opacity:0;

    visibility:hidden;

    transition:var(--transition);

    box-shadow:var(--shadow);

    z-index:999;

}

#backToTop.show{

    opacity:1;

    visibility:visible;

}

#backToTop:hover{

    transform:translateY(-5px);

    background:var(--primary-hover);

}

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

.reveal{

    opacity:0;

    transform:translateY(40px);

    transition:
        opacity .8s ease,
        transform .8s ease;

}

.reveal.active{

    opacity:1;

    transform:translateY(0);

}

/* ==========================================================
   SELECTION
========================================================== */

::selection{

    background:var(--primary);

    color:#fff;

}

/* ==========================================================
   SCROLLBAR
========================================================== */

::-webkit-scrollbar{

    width:10px;

}

::-webkit-scrollbar-track{

    background:var(--background);

}

::-webkit-scrollbar-thumb{

    background:#2d333b;

    border-radius:999px;

}

::-webkit-scrollbar-thumb:hover{

    background:var(--primary);

}

/* ==========================================================
   UTILITIES
   NOTE: not referenced in index.html — verify usage in
   about.html / projects.html / contact.html before removing.
========================================================== */

.text-center{

    text-align:center;

}

.mt-1{

    margin-top:20px;

}

.mt-2{

    margin-top:40px;

}

.mt-3{

    margin-top:60px;

}

.mb-1{

    margin-bottom:20px;

}

.mb-2{

    margin-bottom:40px;

}

.mb-3{

    margin-bottom:60px;

}

.hidden{

    display:none;

}

/* ==========================================================
   TRANSITIONS
========================================================== */

a,
button,
.project-card,
.skill-card,
.about-card,
.contact-card,
.highlight-card,
.timeline-content{

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

}

/* ==========================================================
   CARD GLOW
========================================================== */

.project-card,
.skill-card,
.about-card,
.contact-card,
.highlight-card{

    position:relative;

}

.project-card::after,
.skill-card::after,
.about-card::after,
.contact-card::after,
.highlight-card::after{

    content:"";

    position:absolute;

    inset:0;

    border-radius:inherit;

    pointer-events:none;

    opacity:0;

    background:
    linear-gradient(
        135deg,
        rgba(88,166,255,.10),
        transparent 70%
    );

    transition:.35s ease;

}

.project-card:hover::after,
.skill-card:hover::after,
.about-card:hover::after,
.contact-card:hover::after,
.highlight-card:hover::after{

    opacity:1;

}

/* ==========================================================
   ICON SYSTEM
   Sizing/coloring for the self-hosted <use> sprite icons
   (icons/sprite.svg) and the Simple Icons CDN brand logos.
   Using currentColor means any icon inherits its parent's
   text color automatically, including on :hover.
========================================================== */

.icon{

    width:20px;

    height:20px;

    flex-shrink:0;

    color:currentColor;

}

.icon-sm{

    width:16px;

    height:16px;

}

.icon-lg{

    width:28px;

    height:28px;

}

/* Decorative icons inside the about/skill icon tiles */

.about-icon .icon,
.skill-icon .icon{

    width:28px;

    height:28px;

    color:var(--primary);

}

/* Brand logos (GitHub/LinkedIn), loaded from Simple Icons.
   Kept in a neutral tone so they sit quietly in the UI —
   the existing underline hover effect on the parent <a>
   already provides the hover affordance. */

.brand-icon{

    width:20px;

    height:20px;

    flex-shrink:0;

    filter:grayscale(1) brightness(1.6);

    opacity:.85;

    transition:opacity var(--duration-base) ease;

}

a:hover .brand-icon{

    opacity:1;

}

.hero-socials a,
.contact-card h3{

    display:inline-flex;

    align-items:center;

    gap:10px;

}

.btn .icon{

    width:18px;

    height:18px;

}

/* ==========================================================
   TECH BADGES (with brand logo)
   Used in .tech-stack, .skill-tags and .project-stack —
   a small colored brand mark placed before the label.
========================================================== */

.tech-stack span,
.skill-tags span,
.project-stack span{

    display:inline-flex;

    align-items:center;

    gap:8px;

}

.tech-logo{

    width:16px;

    height:16px;

    flex-shrink:0;

}

/* ==========================================================
   SUB-PAGE HERO
   Compact header used at the top of about.html,
   projects.html and contact.html — same visual language
   as the homepage hero, without the full two-column layout.
========================================================== */

.page-hero{

    padding:160px 0 70px;

    text-align:center;

    position:relative;

    overflow:hidden;

}

.page-hero::after{

    content:"";

    position:absolute;

    top:-200px;

    left:50%;

    transform:translateX(-50%);

    width:600px;

    height:600px;

    border-radius:50%;

    background:var(--glow-soft);

    pointer-events:none;

}

.page-hero .section-subtitle{

    justify-content:center;

    display:flex;

}

.page-hero h1{

    font-size:clamp(2.4rem,5vw,3.6rem);

    margin-bottom:20px;

}

.page-hero p{

    max-width:640px;

    margin:auto;

    font-size:1.1rem;

}

/* ==========================================================
   BREADCRUMB / BACK LINK
========================================================== */

.back-link{

    display:inline-flex;

    align-items:center;

    gap:8px;

    color:var(--text-secondary);

    font-size:.92rem;

    font-weight:500;

    margin-bottom:20px;

    transition:var(--transition);

}

.back-link:hover{

    color:var(--primary);

}

.back-link .icon{

    width:16px;

    height:16px;

}

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

.contact-form-wrapper{

    max-width:640px;

    margin:60px auto 0;

    background:var(--surface);

    border:1px solid var(--border);

    border-radius:var(--radius-xl);

    padding:45px;

}

.form-group{

    margin-bottom:24px;

}

.form-group label{

    display:block;

    margin-bottom:10px;

    font-size:.9rem;

    font-weight:600;

    color:var(--text);

}

.form-group input,
.form-group textarea{

    width:100%;

    padding:14px 16px;

    background:var(--background);

    border:1px solid var(--border);

    border-radius:var(--radius-sm);

    color:var(--text);

    font-family:inherit;

    font-size:.98rem;

    transition:var(--transition);

}

.form-group input::placeholder,
.form-group textarea::placeholder{

    color:var(--text-secondary);

}

.form-group input:focus,
.form-group textarea:focus{

    outline:none;

    border-color:var(--primary);

    box-shadow:var(--focus-ring);

}

.form-group textarea{

    resize:vertical;

    min-height:150px;

}

/* Honeypot spam field — visually hidden but still present
   in the DOM for bots to fill in; screen readers skip it
   via aria-hidden in the HTML. */

.form-honeypot{

    position:absolute;

    left:-9999px;

    width:1px;

    height:1px;

    overflow:hidden;

}

.form-submit{

    width:100%;

    border:none;

    cursor:pointer;

}

.form-status{

    margin-top:18px;

    font-size:.92rem;

    text-align:center;

    min-height:1.4em;

}

.form-status[data-state="success"]{

    color:var(--success);

}

.form-status[data-state="error"]{

    color:#F85149;

}

/* ==========================================================
   SITE FOOTER LINKS (multi-page)
========================================================== */

.footer-nav{

    display:flex;

    justify-content:center;

    gap:30px;

    flex-wrap:wrap;

    margin-top:24px;

}

.footer-nav a{

    color:var(--text-secondary);

    font-size:.95rem;

    transition:var(--transition);

}

.footer-nav a:hover{

    color:var(--primary);

}