/* =========================================================
   AhsanID Portfolio — Premium 2026 Redesign (v2)
   Enhanced UI: better hierarchy, premium polish, micro-interactions
   ========================================================= */
:root{
  color-scheme:dark;
  --bg:#050810;
  --bg-soft:#0a0f1d;
  --panel:rgba(255,255,255,.055);
  --panel-strong:rgba(255,255,255,.09);
  --text:#f5f8fc;
  --text-soft:#dfe8f3;
  --muted:#9aa7bd;
  --line:rgba(226,232,240,.10);
  --line-strong:rgba(226,232,240,.20);
  --blue:#6aa7ff;
  --cyan:#67e8f9;
  --green:#86efac;
  --violet:#b69cff;
  --pink:#ffb1d6;
  --accent-a:106,167,255;
  --accent-b:103,232,249;
  --accent-c:182,156,255;
  --radius:22px;
  --radius-lg:34px;
  --max:1160px;
  --shadow:0 30px 80px rgba(0,0,0,.42);
  --shadow-soft:0 16px 50px rgba(0,0,0,.28);
  --shadow-glow:0 30px 90px rgba(var(--accent-a),.22);
  --ease:cubic-bezier(.2,.7,.2,1);
  --ease-bounce:cubic-bezier(.34,1.56,.64,1);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;text-size-adjust:100%;-webkit-text-size-adjust:100%}
html:focus-within{scroll-behavior:smooth}
body{
  min-height:100vh;
  font-family:'Inter',system-ui,-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  background:
    radial-gradient(900px 600px at 12% -10%,rgba(var(--accent-a),.22),transparent 60%),
    radial-gradient(800px 500px at 88% 4%,rgba(var(--accent-c),.16),transparent 60%),
    radial-gradient(700px 500px at 50% 110%,rgba(var(--accent-b),.10),transparent 60%),
    linear-gradient(180deg,#04060d 0%,#080d1a 50%,#050810 100%);
  background-attachment:fixed;
  color:var(--text);
  overflow-x:hidden;
  line-height:1.7;
  letter-spacing:-.011em;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  text-rendering:optimizeLegibility;
}
body::before{
  content:"";position:fixed;inset:0;z-index:-2;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.022) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.022) 1px,transparent 1px);
  background-size:62px 62px;
  mask-image:radial-gradient(ellipse at 50% 0%,rgba(0,0,0,.9),transparent 78%);
}
body::after{
  content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;
  background:linear-gradient(120deg,rgba(255,255,255,.05),transparent 24%,transparent 70%,rgba(var(--accent-c),.05));
  opacity:.55;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input,textarea{font:inherit}
svg{display:block}
::selection{background:rgba(var(--accent-a),.34);color:#fff}
:focus-visible{outline:2px solid rgb(var(--accent-b));outline-offset:3px;border-radius:6px}

/* ---------- Grain texture (subtle film grain) ---------- */
.grain{
  position:fixed;inset:0;z-index:-1;pointer-events:none;opacity:.35;mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.45'/%3E%3C/svg%3E");
}

/* ---------- Skip link ---------- */
.skip-link{position:absolute;left:-999px;top:12px;z-index:999;background:#fff;color:#07111f;padding:10px 14px;border-radius:14px;font-weight:900}
.skip-link:focus{left:12px}

/* ---------- Layout ---------- */
.containerx{width:min(var(--max),calc(100% - 40px));margin-inline:auto}

/* ---------- Topnav ---------- */
.topnav{
  position:sticky;top:0;z-index:100;
  padding:14px 0;
  background:rgba(5,8,16,.62);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(22px) saturate(1.4);
  -webkit-backdrop-filter:blur(22px) saturate(1.4);
  transition:padding .25s var(--ease),background .25s var(--ease);
}
.topnav.scrolled{padding:10px 0;background:rgba(5,8,16,.82)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:16px}
.brand{display:flex;align-items:center;gap:12px;min-width:0}
.brand-logo{
  width:44px;height:44px;border-radius:14px;
  display:grid;place-items:center;
  background:linear-gradient(135deg,#ffffff,#cfe0ff);
  color:#07111f;font-family:'Syne',sans-serif;font-weight:900;font-size:20px;
  box-shadow:0 14px 38px rgba(var(--accent-a),.32),inset 0 -8px 18px rgba(var(--accent-a),.18);
  position:relative;overflow:hidden;
}
.brand-logo::after{
  content:"";position:absolute;inset:-50%;
  background:linear-gradient(115deg,transparent 35%,rgba(255,255,255,.85),transparent 65%);
  transform:translateX(-110%) rotate(12deg);transition:.8s var(--ease);
}
.brand:hover .brand-logo::after{transform:translateX(110%) rotate(12deg)}
.brand>span:last-child{font-family:'Syne',sans-serif;font-size:19px;font-weight:900;letter-spacing:-.055em;white-space:nowrap}
.brand small{display:block;margin-top:-3px;font-family:'Inter',sans-serif;font-size:9.5px;letter-spacing:.18em;text-transform:uppercase;color:var(--muted);font-weight:900}
.grad{
  background:linear-gradient(135deg,#ffffff 0%,#bcd9ff 38%,rgb(var(--accent-b)) 72%,rgb(var(--accent-c)) 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.nav-links{display:flex;align-items:center;gap:4px;padding:5px;border:1px solid var(--line);border-radius:999px;background:rgba(255,255,255,.04)}
.nav-links a{
  position:relative;display:inline-flex;align-items:center;justify-content:center;
  min-height:38px;padding:8px 16px;border-radius:999px;color:var(--muted);
  font-size:13px;font-weight:850;transition:.2s var(--ease);overflow:hidden;
}
.nav-links a:hover{color:#fff;background:rgba(255,255,255,.07)}
.nav-links a.active{color:#07111f;background:linear-gradient(135deg,#fff,#d7e6ff);box-shadow:0 10px 28px rgba(255,255,255,.12)}
.nav-links a.nav-cta{
  background:linear-gradient(135deg,rgba(var(--accent-a),.32),rgba(var(--accent-c),.32));
  color:#fff;border:1px solid rgba(var(--accent-a),.42);
}
.nav-links a.nav-cta:hover{background:linear-gradient(135deg,rgba(var(--accent-a),.5),rgba(var(--accent-c),.5));transform:translateY(-1px)}
.menu-btn{display:none;border:1px solid var(--line);background:rgba(255,255,255,.07);color:#fff;border-radius:14px;padding:10px 13px;font-weight:900;font-size:16px;cursor:pointer;transition:.2s var(--ease)}
.menu-btn:hover{background:rgba(255,255,255,.13)}

/* ---------- Hero ---------- */
.hero{position:relative;padding:90px 0 60px}
.hero::before{
  content:"";position:absolute;left:max(20px,calc((100vw - var(--max))/2));top:56px;
  width:96px;height:5px;border-radius:999px;
  background:linear-gradient(90deg,rgb(var(--accent-a)),rgb(var(--accent-b)),rgb(var(--accent-c)));
  opacity:.9;filter:blur(.2px);
}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(340px,.9fr);gap:32px;align-items:center}
.eyebrow,.pill{
  display:inline-flex;align-items:center;gap:9px;max-width:100%;
  border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.065);
  color:var(--text-soft);border-radius:999px;padding:8px 14px;
  font-size:11.5px;font-weight:900;letter-spacing:.14em;text-transform:uppercase;
  backdrop-filter:blur(10px);
}
.dot{
  width:8px;height:8px;border-radius:999px;background:var(--green);
  box-shadow:0 0 0 7px rgba(var(--accent-b),.14),0 0 12px rgba(var(--accent-b),.7);
  animation:pulse 2.4s ease-in-out infinite;
}
@keyframes pulse{50%{box-shadow:0 0 0 12px rgba(var(--accent-b),.05),0 0 18px rgba(var(--accent-b),.9)}}
h1,h2,h3{font-family:'Syne',sans-serif;line-height:1.05;letter-spacing:-.06em}
.hero h1{font-size:clamp(2.9rem,7vw,6.2rem);margin:20px 0 18px;max-width:820px;text-wrap:balance}
.hero h1 .grad{display:inline}
.lead{font-size:clamp(1.02rem,2.2vw,1.22rem);color:var(--text-soft);max-width:720px;text-wrap:pretty}
.lead strong{color:#fff;font-weight:900}
.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  min-height:50px;border-radius:15px;padding:13px 20px;
  font-size:14px;font-weight:900;transition:.22s var(--ease);
  border:1px solid transparent;touch-action:manipulation;cursor:pointer;
}
.btn-primary{
  background:linear-gradient(135deg,#ffffff,#d9e6ff);
  color:#07111f;
  box-shadow:0 18px 50px rgba(255,255,255,.16),inset 0 -8px 18px rgba(var(--accent-a),.18);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 26px 64px rgba(255,255,255,.22),inset 0 -8px 18px rgba(var(--accent-a),.22)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:rgba(255,255,255,.06);border-color:var(--line);color:var(--text-soft)}
.btn-ghost:hover{background:rgba(255,255,255,.11);color:#fff;transform:translateY(-2px);border-color:var(--line-strong)}

/* ---------- Hero meta strip ---------- */
.hero-meta{display:flex;flex-wrap:wrap;gap:14px 26px;margin-top:26px;padding-top:24px;border-top:1px dashed var(--line)}
.hero-meta-item{display:flex;flex-direction:column;gap:2px}
.hero-meta-k{font-size:10.5px;text-transform:uppercase;letter-spacing:.14em;color:var(--muted);font-weight:900}
.hero-meta-v{font-size:13.5px;color:var(--text-soft);font-weight:700;display:inline-flex;align-items:center;gap:8px}
.status-live{width:8px;height:8px;border-radius:999px;background:var(--green);box-shadow:0 0 0 4px rgba(134,239,172,.18),0 0 10px rgba(134,239,172,.6);animation:pulse 2s ease-in-out infinite}

/* ---------- Hero card ---------- */
.hero-card{
  position:relative;border:1px solid var(--line-strong);
  background:linear-gradient(180deg,rgba(255,255,255,.10),rgba(255,255,255,.045));
  border-radius:var(--radius-lg);padding:22px;
  box-shadow:var(--shadow);overflow:hidden;
}
.hero-card::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(circle at 22% 10%,rgba(var(--accent-a),.22),transparent 38%),
    radial-gradient(circle at 100% 10%,rgba(var(--accent-c),.16),transparent 35%);
  pointer-events:none;
}
.profile-panel{
  position:relative;background:rgba(8,13,24,.72);
  border:1px solid rgba(255,255,255,.10);
  border-radius:28px;padding:24px;backdrop-filter:blur(8px);
}
.profile-glow{
  position:absolute;inset:-30%;border-radius:50%;pointer-events:none;opacity:.55;
  background:radial-gradient(circle,rgba(var(--accent-a),.18),transparent 60%);
  filter:blur(40px);
}
.profile-top{display:flex;gap:15px;align-items:center;position:relative}
.avatar-wrap{position:relative}
.avatar-wrap::before{
  content:"";position:absolute;inset:-6px;border-radius:30px;
  background:linear-gradient(135deg,rgb(var(--accent-a)),rgb(var(--accent-c)));
  filter:blur(8px);opacity:.5;z-index:0;
}
.avatar{
  position:relative;z-index:1;
  width:92px;height:92px;border-radius:24px;object-fit:cover;
  border:1px solid rgba(255,255,255,.20);
  box-shadow:0 18px 48px rgba(0,0,0,.34),0 0 0 4px rgba(var(--accent-a),.12);
}
.profile-name{font-weight:950;font-size:20px;line-height:1.2;letter-spacing:-.02em}
.profile-role{color:var(--muted);font-size:13px;margin-top:4px}
.chips{display:flex;gap:6px;flex-wrap:wrap;margin-top:8px}
.chip{
  display:inline-flex;align-items:center;min-height:24px;font-size:11px;
  color:#eaf4ff;background:rgba(255,255,255,.07);border:1px solid var(--line);
  padding:4px 9px;border-radius:999px;font-weight:800;letter-spacing:.02em;
}
.mini-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin-top:20px;position:relative}
.mini-stat{border:1px solid var(--line);background:rgba(255,255,255,.05);border-radius:18px;padding:14px;position:relative;overflow:hidden;transition:.22s var(--ease)}
.mini-stat:hover{background:rgba(255,255,255,.08);transform:translateY(-2px)}
.mini-stat::before{content:"";position:absolute;right:-14px;top:-14px;width:48px;height:48px;border-radius:50%;background:rgba(var(--accent-a),.14);filter:blur(2px)}
.mini-stat b{display:block;font-family:'Syne',sans-serif;font-size:26px;line-height:1;color:#fff;letter-spacing:-.04em}
.mini-stat span{display:block;margin-top:4px;font-size:10px;color:var(--muted);font-weight:950;text-transform:uppercase;letter-spacing:.08em}
.terminal{
  margin-top:14px;border:1px solid rgba(var(--accent-b),.22);
  background:rgba(0,0,0,.30);border-radius:16px;padding:14px 16px;
  font-family:'JetBrains Mono','SFMono-Regular',monospace;font-size:12px;
  color:#b7ffd1;overflow-wrap:anywhere;line-height:1.7;
}
.terminal .t-prompt{color:var(--green);font-weight:700}
.terminal .t-cmd{color:#fff}
.terminal .t-out{color:var(--cyan);display:block;margin-top:2px}
.terminal em{color:var(--green);font-style:normal;font-weight:700}

/* ---------- Sections ---------- */
.section{padding:52px 0}
.section-tight{padding-top:0;padding-bottom:30px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:22px;margin-bottom:24px}
.section-kicker{color:#cfe3ff;font-size:11.5px;text-transform:uppercase;letter-spacing:.18em;font-weight:950}
.section-title{font-size:clamp(1.95rem,4.2vw,3.25rem);margin-top:8px;text-wrap:balance}
.section-desc{color:var(--muted);max-width:600px}

/* ---------- Stats bar ---------- */
.stats-bar-inner{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 28px;border:1px solid var(--line-strong);
  background:linear-gradient(135deg,rgba(255,255,255,.08),rgba(255,255,255,.03));
  border-radius:var(--radius-lg);box-shadow:var(--shadow-soft);
  position:relative;overflow:hidden;
}
.stats-bar-inner::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:4px;
  background:linear-gradient(180deg,rgb(var(--accent-a)),rgb(var(--accent-c)));
}
.sb-item{display:flex;flex-direction:column;gap:4px;flex:1;min-width:0}
.sb-item b{font-family:'Syne',sans-serif;font-size:clamp(1.5rem,3vw,2.1rem);color:#fff;line-height:1;letter-spacing:-.04em}
.sb-item span{font-size:11.5px;color:var(--muted);font-weight:600;line-height:1.4}
.sb-divider{width:1px;height:48px;background:linear-gradient(180deg,transparent,var(--line-strong),transparent);flex:0 0 auto}

/* ---------- About grid ---------- */
.about-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:16px}
.about-card{border-radius:var(--radius);padding:30px;display:flex;flex-direction:column;gap:14px}
.about-card .section-desc{margin-top:0;color:var(--text-soft);font-size:15px}
.about-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px}

/* ---------- Cards (home grid) ---------- */
.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.cardx,.glass,.project-card,.cert-card,.stat{border:1px solid var(--line);background:linear-gradient(180deg,rgba(255,255,255,.075),rgba(255,255,255,.04));box-shadow:var(--shadow-soft)}
.cardx{
  position:relative;border-radius:var(--radius);padding:24px;min-height:240px;overflow:hidden;
  transition:.24s var(--ease);display:flex;flex-direction:column;
}
.cardx::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(135deg,rgba(var(--accent-a),.10),transparent 52%);
  opacity:0;transition:.24s var(--ease);
}
.cardx::after{
  content:"";position:absolute;inset:1px;border-radius:inherit;pointer-events:none;z-index:-1;
  background:linear-gradient(145deg,rgba(255,255,255,.12),transparent 36%,transparent 70%,rgba(var(--accent-c),.10));
  opacity:.7;
}
.cardx:hover{transform:translateY(-6px);border-color:rgba(255,255,255,.28);box-shadow:0 30px 80px rgba(0,0,0,.42),0 0 60px rgba(var(--accent-a),.10)}
.cardx:hover::before{opacity:1}
.icon{
  width:56px;height:56px;border-radius:16px;display:grid;place-items:center;font-size:26px;
  background:rgba(255,255,255,.075);border:1px solid var(--line);margin-bottom:18px;
  transition:.24s var(--ease);
}
.cardx:hover .icon{transform:translateY(-2px) rotate(-3deg);box-shadow:0 16px 34px rgba(var(--accent-a),.20)}
.cardx h3{font-size:22px;margin-bottom:8px;letter-spacing:-.045em}
.cardx p{color:var(--muted);font-size:14px;position:relative;flex:1}
.url{display:inline-flex;margin-top:16px;color:#d6e9ff;font-size:13px;font-weight:900;overflow-wrap:anywhere;transition:.2s var(--ease);align-items:center;gap:6px}
.cardx:hover .url{opacity:1;transform:translateX(3px);color:#fff}

/* CTA card */
.cardx-cta{
  background:linear-gradient(135deg,rgba(var(--accent-a),.18),rgba(var(--accent-c),.12));
  border-color:rgba(var(--accent-a),.32);
}
.cardx-cta .icon{background:rgba(255,255,255,.15);border-color:rgba(var(--accent-a),.42);color:#fff}
.cardx-cta h3,.cardx-cta .url{color:#fff}
.cardx-cta p{color:rgba(255,255,255,.85)}

/* ---------- Card with split actions (visit + download) ---------- */
.card-actions{display:flex;align-items:center;flex-wrap:wrap;gap:10px;margin-top:16px;position:relative;z-index:1}
.card-actions .url{margin-top:0}
.btn-apk{
  display:inline-flex;align-items:center;gap:7px;
  min-height:36px;padding:8px 14px;border-radius:11px;
  font-size:12.5px;font-weight:900;letter-spacing:.01em;
  background:linear-gradient(135deg,rgba(var(--accent-a),.22),rgba(var(--accent-c),.22));
  border:1px solid rgba(var(--accent-a),.42);color:#eaf2ff;
  transition:.22s var(--ease);cursor:pointer;text-decoration:none;
  box-shadow:0 8px 22px rgba(var(--accent-a),.18);
  position:relative;z-index:1;
}
.btn-apk:hover{
  transform:translateY(-2px);
  background:linear-gradient(135deg,rgba(var(--accent-a),.36),rgba(var(--accent-c),.36));
  border-color:rgba(var(--accent-a),.7);color:#fff;
  box-shadow:0 14px 30px rgba(var(--accent-a),.30);
}
.btn-apk:active{transform:translateY(0)}
.btn-apk .apk-icon{font-size:14px;line-height:1}

/* ---------- Project card actions ---------- */
.project-actions{display:flex;align-items:center;flex-wrap:wrap;gap:10px;margin-top:14px;position:relative;z-index:1}
.project-actions .btn-apk{min-height:38px;padding:9px 16px;font-size:13px}
.project-actions .btn-ghost{position:relative;z-index:1;min-height:38px;padding:9px 16px;font-size:13px}

/* ---------- Feature band (legacy, kept for backward compat) ---------- */
.feature-band{display:grid;grid-template-columns:1.1fr .9fr;gap:16px}
.glass{border-radius:var(--radius);padding:26px}
.timeline{display:grid;gap:14px}
.timeline-item{display:flex;gap:13px;align-items:flex-start}
.timeline-dot{width:11px;height:11px;border-radius:999px;background:#f8fafc;margin-top:8px;box-shadow:0 0 0 7px rgba(255,255,255,.08);flex:0 0 auto}
.timeline-item b{display:block;color:#fff;font-weight:850}
.timeline-item span{display:block;color:var(--muted);font-size:14px;margin-top:2px}

/* ---------- Tech grid ---------- */
.tech-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
.tech-cat{
  position:relative;padding:20px;border-radius:20px;overflow:hidden;
  background:linear-gradient(180deg,rgba(255,255,255,.07),rgba(255,255,255,.035));
  border:1px solid var(--line);box-shadow:var(--shadow-soft);
  transition:.24s var(--ease);
}
.tech-cat:hover{transform:translateY(-3px);border-color:rgba(var(--accent-a),.32);box-shadow:0 24px 60px rgba(0,0,0,.36)}
.tech-cat::before{
  content:"";position:absolute;right:-20px;top:-20px;width:72px;height:72px;border-radius:50%;
  background:rgba(var(--accent-a),.14);filter:blur(3px);transition:.3s var(--ease);
}
.tech-cat:hover::before{transform:scale(1.3);background:rgba(var(--accent-b),.20)}
.tech-cat h3{font-size:14px;text-transform:uppercase;letter-spacing:.12em;color:#cfe3ff;margin-bottom:14px;font-family:'Inter',sans-serif;font-weight:950;position:relative}
.tech-tags{display:flex;flex-wrap:wrap;gap:8px;position:relative}
.tech-list{display:flex;flex-wrap:wrap;gap:10px}
.tech{padding:9px 13px;border-radius:13px;background:rgba(var(--accent-b),.07);border:1px solid rgba(var(--accent-b),.18);color:#d8fbff;font-weight:850;font-size:13px;transition:.2s var(--ease)}
.tech:hover{background:rgba(var(--accent-b),.14);transform:translateY(-2px)}

/* ---------- Page hero ---------- */
.page-hero{padding:72px 0 36px;position:relative}
.breadcrumbs{color:var(--muted);font-size:13px;margin-bottom:15px;display:flex;align-items:center;gap:8px}
.breadcrumbs a:hover{color:#fff}
.breadcrumbs span[aria-current="page"]{color:var(--text-soft);font-weight:700}
.page-hero h1{font-size:clamp(2.4rem,6vw,4.9rem);max-width:880px;text-wrap:balance}
.page-hero p{margin-top:18px;color:var(--text-soft);max-width:800px;text-wrap:pretty}
.page-hero-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}

/* ---------- Stats ---------- */
.stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-top:24px}
.stat{position:relative;border-radius:20px;padding:18px;overflow:hidden}
.stat::before{content:"";position:absolute;right:-18px;top:-18px;width:62px;height:62px;border-radius:50%;background:rgba(var(--accent-a),.14);filter:blur(3px)}
.stat b{display:block;font-family:'Syne',sans-serif;font-size:clamp(1.55rem,3vw,2.25rem);line-height:1;color:#fff;letter-spacing:-.04em}
.stat span{display:block;margin-top:6px;font-size:11px;text-transform:uppercase;letter-spacing:.10em;color:var(--muted);font-weight:950}

/* ---------- Tag ---------- */
.tag{
  display:inline-flex;margin-bottom:10px;padding:5px 10px;border-radius:999px;
  font-size:10.5px;text-transform:uppercase;letter-spacing:.10em;font-weight:950;
  border:1px solid rgba(255,255,255,.18);color:#dcecff;background:rgba(255,255,255,.06);
}

/* ---------- Project list ---------- */
.project-list{display:grid;gap:16px}
.project-card{
  position:relative;display:grid;grid-template-columns:auto 1fr auto;gap:18px;align-items:flex-start;
  border-radius:var(--radius);padding:24px;transition:.24s var(--ease);overflow:hidden;
}
.project-card::before{
  content:"";position:absolute;inset:auto auto 0 0;width:4px;height:0;pointer-events:none;
  background:linear-gradient(180deg,rgb(var(--accent-a)),rgb(var(--accent-c)));
  transition:.32s var(--ease);
}
.project-card:hover::before{height:100%}
.project-card:hover{transform:translateY(-4px);border-color:rgba(255,255,255,.28);box-shadow:0 26px 70px rgba(0,0,0,.36)}
.project-icon{
  width:70px;height:70px;border-radius:20px;display:grid;place-items:center;font-size:32px;
  background:rgba(255,255,255,.075);border:1px solid var(--line);flex:0 0 auto;
  transition:.24s var(--ease);
}
.project-card:hover .project-icon{transform:translateY(-2px) rotate(-3deg);box-shadow:0 16px 34px rgba(var(--accent-a),.20)}
.project-card h2{font-size:clamp(1.4rem,3vw,1.85rem);margin-bottom:6px;letter-spacing:-.045em}
.project-card p{color:var(--muted);text-wrap:pretty}
.project-arrow{
  width:44px;height:44px;border-radius:999px;display:grid;place-items:center;
  background:#f8fafc;color:#07111f;font-weight:950;transition:.24s var(--ease);
}
.project-card:hover .project-arrow{transform:rotate(-45deg);box-shadow:0 14px 32px rgba(255,255,255,.18)}

/* ---------- Cert filters ---------- */
.filters{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:22px}
.filter-btn{border:1px solid var(--line);border-radius:999px;background:rgba(255,255,255,.055);color:var(--muted);padding:10px 16px;font-weight:900;cursor:pointer;transition:.18s var(--ease);font-size:13px}
.filter-btn.active,.filter-btn:hover{color:#07111f;background:linear-gradient(135deg,#fff,#d9e6ff);border-color:#fff}

/* ---------- Cert grid ---------- */
.cert-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.cert-card{border-radius:22px;overflow:hidden;cursor:pointer;transition:.24s var(--ease)}
.cert-card:hover{transform:translateY(-5px);border-color:rgba(255,255,255,.30);box-shadow:0 26px 70px rgba(0,0,0,.36)}
.cert-card img{width:100%;aspect-ratio:4/3;object-fit:cover;background:#0b1322;transition:transform .45s var(--ease),filter .3s var(--ease)}
.cert-card:hover img{transform:scale(1.04);filter:saturate(1.06) contrast(1.02)}
.cert-info{padding:15px;background:linear-gradient(180deg,rgba(7,10,18,.04),rgba(7,10,18,.18))}
.cert-info b{display:block;font-size:15px;line-height:1.35;text-wrap:balance}
.cert-info span{display:block;margin-top:3px;color:var(--muted);font-size:13px}

/* ---------- Modal ---------- */
.modal{position:fixed;inset:0;z-index:300;display:none;align-items:center;justify-content:center;padding:20px;background:rgba(0,0,0,.78);backdrop-filter:blur(12px)}
.modal.show{display:flex;animation:fadeIn .2s ease}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
.modal-box{width:min(980px,100%);max-height:92vh;border:1px solid var(--line-strong);border-radius:24px;background:#07101f;overflow:hidden;box-shadow:var(--shadow);animation:slideUp .3s var(--ease)}
@keyframes slideUp{from{transform:translateY(20px);opacity:0}to{transform:none;opacity:1}}
.modal-head{display:flex;justify-content:space-between;gap:14px;align-items:center;padding:14px 18px;border-bottom:1px solid var(--line)}
.modal-title{font-weight:950}
.modal-close{border:1px solid var(--line);background:rgba(255,255,255,.08);color:#fff;border-radius:12px;padding:8px 12px;cursor:pointer;transition:.18s}
.modal-close:hover{background:rgba(255,255,255,.16)}
.modal img{width:100%;max-height:78vh;object-fit:contain;background:#020617}

/* ---------- Contact CTA ---------- */
.contact-cta{position:relative;overflow:hidden;padding:36px;border-radius:var(--radius-lg)}
.contact-glow{
  position:absolute;inset:-30%;pointer-events:none;
  background:radial-gradient(circle at 80% 20%,rgba(var(--accent-a),.22),transparent 50%),radial-gradient(circle at 20% 80%,rgba(var(--accent-c),.18),transparent 50%);
  filter:blur(40px);opacity:.7;
}
.contact-cta .section-title{position:relative}
.contact-cta .section-desc{position:relative;margin-top:14px}
.contact-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-top:24px;position:relative}
.contact-item{
  display:flex;align-items:center;gap:12px;padding:16px;border-radius:18px;
  background:rgba(255,255,255,.06);border:1px solid var(--line);
  transition:.24s var(--ease);text-decoration:none;
}
.contact-item:hover{transform:translateY(-3px);background:rgba(255,255,255,.10);border-color:rgba(var(--accent-a),.36);box-shadow:0 18px 40px rgba(0,0,0,.30)}
.contact-icon{
  width:42px;height:42px;border-radius:12px;display:grid;place-items:center;flex:0 0 auto;
  background:linear-gradient(135deg,rgba(var(--accent-a),.25),rgba(var(--accent-c),.25));
  border:1px solid rgba(var(--accent-a),.32);color:#fff;
  transition:.24s var(--ease);
}
.contact-item:hover .contact-icon{transform:scale(1.08) rotate(-4deg);box-shadow:0 12px 24px rgba(var(--accent-a),.32)}
.contact-text{display:flex;flex-direction:column;min-width:0}
.contact-text b{font-size:13.5px;color:#fff;font-weight:850}
.contact-text span{font-size:11.5px;color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- Footer ---------- */
.footer{border-top:1px solid var(--line);padding:32px 0 24px;color:var(--muted);margin-top:40px;position:relative}
.footer::before{content:"";position:absolute;left:50%;top:-1px;transform:translateX(-50%);width:120px;height:2px;background:linear-gradient(90deg,transparent,rgb(var(--accent-a)),rgb(var(--accent-c)),transparent);opacity:.6}
.footer-inner{display:flex;justify-content:space-between;gap:18px;align-items:center}
.footer-left p{font-size:14px}
.footer-left .footer-sub{font-size:12px;color:var(--muted);margin-top:4px}
.footer-left a:hover{color:#fff}
.footer-nav{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end}
.footer-nav a{border:1px solid var(--line);background:rgba(255,255,255,.05);padding:8px 13px;border-radius:999px;font-size:12.5px;font-weight:850;transition:.2s var(--ease)}
.footer-nav a:hover{background:rgba(255,255,255,.11);color:#fff;transform:translateY(-2px);border-color:var(--line-strong)}
.footer-badge{
  text-align:center;margin-top:24px;padding-top:18px;border-top:1px dashed var(--line);
  font-size:11.5px;color:var(--muted);letter-spacing:.02em;
  display:flex;align-items:center;justify-content:center;gap:8px;flex-wrap:wrap;
}
.footer-dot{width:8px;height:8px;border-radius:999px;background:var(--green);box-shadow:0 0 8px rgba(134,239,172,.6);animation:pulse 2.4s ease-in-out infinite}

/* ---------- Reveal animation ---------- */
[data-reveal]{opacity:0;transform:translateY(18px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
[data-reveal].visible{opacity:1;transform:none}

/* ---------- Aurora (decorative) ---------- */
.aurora{position:fixed;inset:0;z-index:-3;pointer-events:none;overflow:hidden}
.aurora::before,.aurora::after{
  content:"";position:absolute;width:60vw;height:60vw;border-radius:50%;
  filter:blur(80px);opacity:.18;
}
.aurora::before{background:radial-gradient(circle,rgb(var(--accent-a)),transparent 60%);top:-20%;left:-10%;animation:drift1 22s ease-in-out infinite}
.aurora::after{background:radial-gradient(circle,rgb(var(--accent-c)),transparent 60%);bottom:-20%;right:-10%;animation:drift2 28s ease-in-out infinite}
@keyframes drift1{50%{transform:translate(8vw,4vh) scale(1.1)}}
@keyframes drift2{50%{transform:translate(-6vw,-3vh) scale(1.05)}}

/* ---------- Back-to-top ---------- */
.back-top{
  position:fixed;right:18px;bottom:18px;z-index:120;
  width:48px;height:48px;border-radius:14px;display:grid;place-items:center;
  background:rgba(7,10,18,.78);border:1px solid var(--line-strong);color:#fff;
  backdrop-filter:blur(18px) saturate(1.4);box-shadow:0 18px 52px rgba(0,0,0,.32);
  opacity:0;transform:translateY(20px) scale(.9);pointer-events:none;transition:.24s var(--ease);cursor:pointer;font-size:18px;font-weight:900;
}
.back-top.show{opacity:1;transform:none;pointer-events:auto}
.back-top:hover{transform:translateY(-3px);background:rgba(7,10,18,.95)}

/* ---------- Reading progress ---------- */
.read-progress{position:fixed;top:0;left:0;height:3px;width:0;background:linear-gradient(90deg,rgb(var(--accent-a)),rgb(var(--accent-b)),rgb(var(--accent-c)));z-index:200;transition:width .15s ease;box-shadow:0 0 14px rgba(var(--accent-a),.6)}

/* ---------- Large screens ---------- */
@media (min-width:1200px){
  .containerx{width:min(1180px,calc(100% - 56px));--max:1180px}
  .cards{gap:18px}
  .project-card{padding:26px}
  .contact-grid{gap:14px}
}

/* ---------- Tablet ---------- */
@media (max-width:980px){
  .hero-grid,.about-grid,.feature-band{grid-template-columns:1fr}
  .hero{padding-top:64px}
  .hero-card{max-width:620px}
  .cards,.cert-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .tech-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .stats{grid-template-columns:repeat(2,minmax(0,1fr))}
  .contact-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .section-head{align-items:flex-start;display:block}
  .section-desc{margin-top:10px}
  .project-card{grid-template-columns:auto 1fr}
  .project-arrow{display:none}
  .stats-bar-inner{flex-wrap:wrap;gap:18px}
  .sb-divider{display:none}
  .sb-item{flex:1 1 40%}
}

/* ---------- Mobile ---------- */
@media (max-width:720px){
  .containerx{width:min(100% - 28px,var(--max))}
  .topnav{padding:10px 0}
  .menu-btn{display:inline-flex}
  .nav-links{
    position:fixed;left:12px;right:12px;top:70px;display:none;flex-direction:column;align-items:stretch;
    border-radius:24px;padding:10px;background:rgba(5,8,16,.97);
    box-shadow:var(--shadow);border:1px solid var(--line-strong);
  }
  .nav-links.open{display:flex}
  .nav-links a{border-radius:14px}
  .nav-links a.nav-cta{margin-top:4px}
  .brand>span:last-child{font-size:16px}
  .brand small{display:none}
  .hero{padding:48px 0 28px}
  .hero h1{font-size:clamp(2.25rem,14vw,4.25rem)}
  .lead{font-size:1rem}
  .actions{gap:10px}
  .actions .btn{width:100%}
  .hero-meta{gap:12px 18px}
  .profile-top{align-items:flex-start}
  .avatar{width:78px;height:78px;border-radius:20px}
  .mini-grid,.cards,.cert-grid{grid-template-columns:1fr}
  .cardx{min-height:auto}
  .tech-grid{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
  .project-card{grid-template-columns:1fr;padding:20px}
  .project-icon{width:58px;height:58px;border-radius:18px;font-size:26px}
  .stats{grid-template-columns:1fr 1fr}
  .page-hero{padding:48px 0 22px}
  .page-hero h1{font-size:clamp(2rem,12vw,3.5rem)}
  .footer-inner{display:block}
  .footer-nav{margin-top:14px;justify-content:flex-start}
  .back-top{right:14px;bottom:14px}
  .contact-cta{padding:24px}
  .stats-bar-inner{padding:18px 20px}
}

@media (max-width:420px){
  .containerx{width:min(100% - 22px,var(--max))}
  .brand-logo{width:38px;height:38px;border-radius:12px;font-size:17px}
  .hero-card,.profile-panel,.glass,.cardx,.project-card,.contact-cta{border-radius:20px}
  .stats{grid-template-columns:1fr}
  .mini-grid{gap:8px}
  .mini-stat{padding:12px}
  .cert-info{padding:13px}
  .footer-nav a{font-size:11.5px;padding:7px 11px}
  .eyebrow,.pill{font-size:10.5px;letter-spacing:.10em}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  [data-reveal]{opacity:1!important;transform:none!important}
  .aurora{display:none}
  .grain{display:none}
}