/* ============================================================
   ELSAYED KOWEIDAH — PORTFOLIO
   Dark glassmorphism · gradient accents · storytelling layout
   ============================================================ */

:root{
  --bg:#060913;
  --bg-soft:#0b1020;
  --text:#e8ecf8;
  --muted:#98a2c3;
  --indigo:#6366f1;
  --cyan:#22d3ee;
  --violet:#a855f7;
  --grad:linear-gradient(120deg,#6366f1,#22d3ee 55%,#a855f7);
  --glass:rgba(255,255,255,.045);
  --glass-brd:rgba(255,255,255,.09);
  --shadow:0 20px 60px rgba(2,6,20,.55);
  --r:22px;
  --font-head:'Sora',sans-serif;
  --font-body:'Inter',sans-serif;
  --font-mono:'JetBrains Mono',monospace;
}

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

html{
  scroll-behavior:smooth;         /* smooth section-to-section scrolling */
  scroll-padding-top:92px;        /* offset for fixed navbar */
}

body{
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-body);
  line-height:1.65;
  overflow-x:hidden;
}

::selection{background:var(--indigo);color:#fff}

/* Custom scrollbar */
::-webkit-scrollbar{width:9px}
::-webkit-scrollbar-track{background:var(--bg)}
::-webkit-scrollbar-thumb{background:linear-gradient(#6366f1,#22d3ee);border-radius:99px}

.container{width:min(1140px,92%);margin-inline:auto}
.glass{
  background:var(--glass);
  border:1px solid var(--glass-brd);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-radius:var(--r);
  box-shadow:var(--shadow);
}
.grad-text{
  background:var(--grad);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:transparent;
}
.mono{font-family:var(--font-mono);color:var(--cyan)}

/* ============ Scroll progress ============ */
.scroll-progress{
  position:fixed;top:0;left:0;height:3px;width:0;
  background:var(--grad);z-index:1001;border-radius:0 3px 3px 0;
  box-shadow:0 0 12px rgba(99,102,241,.8);
}

/* ============ Custom cursor ============ */
.cursor-dot,.cursor-ring{
  position:fixed;top:0;left:0;pointer-events:none;z-index:1002;
  border-radius:50%;transform:translate(-50%,-50%);
}
.cursor-dot{width:7px;height:7px;background:var(--cyan)}
.cursor-ring{
  width:36px;height:36px;border:1.5px solid rgba(99,102,241,.7);
  transition:width .25s,height .25s,border-color .25s,background .25s;
}
.cursor-ring.grow{width:58px;height:58px;background:rgba(99,102,241,.12);border-color:var(--cyan)}
@media (hover:none),(pointer:coarse){.cursor-dot,.cursor-ring{display:none}}

/* ============ Ambient background ============ */
.bg-orbs{position:fixed;inset:0;z-index:-2;overflow:hidden;background:var(--bg)}
.orb{position:absolute;border-radius:50%;filter:blur(90px);opacity:.5;animation:drift 22s ease-in-out infinite alternate}
.orb-1{width:520px;height:520px;background:radial-gradient(circle,#4338ca,transparent 70%);top:-160px;left:-140px}
.orb-2{width:460px;height:460px;background:radial-gradient(circle,#0e7490,transparent 70%);bottom:-160px;right:-120px;animation-delay:-8s}
.orb-3{width:380px;height:380px;background:radial-gradient(circle,#7e22ce,transparent 70%);top:38%;left:55%;animation-delay:-14s}
@keyframes drift{
  0%{transform:translate(0,0) scale(1)}
  100%{transform:translate(90px,60px) scale(1.15)}
}
.bg-grid{
  position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.025) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:radial-gradient(ellipse 80% 60% at 50% 40%,#000 30%,transparent 75%);
}

/* ============ Navbar ============ */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  padding:20px 0;transition:.35s;
}
.nav.scrolled{
  padding:10px 0;
  background:rgba(6,9,19,.72);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--glass-brd);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between}
.logo{
  font-family:var(--font-head);font-weight:800;font-size:1.45rem;
  color:var(--text);text-decoration:none;letter-spacing:.5px;
}
.logo span{color:var(--cyan)}
.nav-links{display:flex;gap:30px;align-items:center}
.nav-link{
  color:var(--muted);text-decoration:none;font-size:.93rem;font-weight:500;
  position:relative;transition:color .25s;
}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:-6px;width:0;height:2px;
  background:var(--grad);border-radius:2px;transition:width .3s;
}
.nav-link:hover,.nav-link.active{color:var(--text)}
.nav-link:hover::after,.nav-link.active::after{width:100%}
.nav-cta{
  padding:9px 20px;border-radius:99px;border:1px solid var(--glass-brd);
  background:var(--glass);color:var(--text)!important;
}
.nav-cta::after{display:none}
.nav-cta:hover{border-color:var(--indigo);box-shadow:0 0 18px rgba(99,102,241,.35)}
.nav-toggle{display:none;background:none;border:none;cursor:pointer;flex-direction:column;gap:5px;padding:6px;z-index:1002}
.nav-toggle span{width:24px;height:2px;background:var(--text);border-radius:2px;transition:.3s}
.nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ============ Buttons ============ */
.btn{
  display:inline-flex;align-items:center;gap:9px;
  padding:14px 28px;border-radius:99px;font-weight:600;font-size:.95rem;
  text-decoration:none;cursor:pointer;border:none;transition:.3s;
  will-change:transform;
}
.btn-primary{
  background:var(--grad);color:#fff;
  box-shadow:0 10px 30px rgba(99,102,241,.4);
}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 16px 40px rgba(34,211,238,.45)}
.btn-ghost{
  background:var(--glass);border:1px solid var(--glass-brd);color:var(--text);
  backdrop-filter:blur(10px);
}
.btn-ghost:hover{transform:translateY(-3px);border-color:var(--cyan);box-shadow:0 10px 28px rgba(34,211,238,.25)}

/* ============ Hero ============ */
.hero{
  min-height:100vh;display:flex;align-items:center;position:relative;
  padding:130px 0 90px;overflow:hidden;
}
#net{position:absolute;inset:0;z-index:-1;opacity:.85}
.hero-grid{
  display:grid;grid-template-columns:1.15fr .85fr;gap:60px;align-items:center;
}
.hero-eyebrow{color:var(--muted);font-size:1.05rem;margin-bottom:10px}
.hero-name{
  font-family:var(--font-head);font-weight:800;
  font-size:clamp(2.6rem,6vw,4.3rem);line-height:1.08;letter-spacing:-1px;
}
.hero-roles{
  font-family:var(--font-mono);font-size:clamp(1rem,2.2vw,1.3rem);
  color:var(--cyan);margin:18px 0 14px;min-height:1.6em;
}
.caret{
  display:inline-block;width:9px;height:1.15em;background:var(--cyan);
  vertical-align:text-bottom;margin-left:3px;animation:blink 1s steps(1) infinite;
}
@keyframes blink{50%{opacity:0}}
.hero-tagline{color:var(--muted);max-width:520px;font-size:1.06rem}
.hero-ctas{display:flex;gap:16px;margin-top:32px;flex-wrap:wrap}
.hero-socials{display:flex;gap:14px;margin-top:30px}
.hero-socials a{
  width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
  background:var(--glass);border:1px solid var(--glass-brd);color:var(--muted);
  transition:.3s;
}
.hero-socials a:hover{color:#fff;border-color:var(--indigo);transform:translateY(-4px) rotate(-4deg);box-shadow:0 10px 24px rgba(99,102,241,.35)}

/* Portrait + floating chips */
.hero-visual{position:relative;display:grid;place-items:center;min-height:420px}
.portrait-ring{
  position:relative;width:min(360px,72vw);aspect-ratio:1;border-radius:50%;
  padding:10px;background:conic-gradient(from var(--a,0deg),#6366f1,#22d3ee,#a855f7,#6366f1);
  animation:spin-ring 8s linear infinite;
  box-shadow:0 0 70px rgba(99,102,241,.35);
}
@property --a{syntax:'<angle>';initial-value:0deg;inherits:false}
@keyframes spin-ring{to{--a:360deg}}
.portrait{
  width:100%;height:100%;object-fit:cover;border-radius:50%;display:block;
  border:6px solid var(--bg);
  animation:spin-ring 8s linear infinite reverse; /* keep photo upright while ring spins */
}
.orbit{
  position:absolute;inset:-34px;border-radius:50%;
  border:1px dashed rgba(152,162,195,.35);
  animation:orbit-pulse 5s ease-in-out infinite;
}
@keyframes orbit-pulse{50%{transform:scale(1.05);opacity:.5}}
.chip-float{
  position:absolute;display:inline-flex;align-items:center;gap:7px;
  padding:9px 16px;border-radius:99px;font-size:.82rem;font-weight:600;
  background:rgba(13,18,36,.75);border:1px solid var(--glass-brd);
  backdrop-filter:blur(12px);box-shadow:0 8px 24px rgba(2,6,20,.5);
  animation:float 5s ease-in-out infinite;white-space:nowrap;z-index:2;
}
.chip-float i{font-style:normal}
.chip-1{top:-4%;left:6%;animation-delay:0s}
.chip-2{top:14%;right:-9%;animation-delay:-.8s;animation-duration:5.6s}
.chip-3{bottom:16%;right:-13%;animation-delay:-1.6s}
.chip-4{bottom:-6%;left:18%;animation-delay:-2.4s;animation-duration:6s}
.chip-5{top:42%;left:-17%;animation-delay:-3.2s;animation-duration:5.4s}
.chip-6{top:-8%;right:16%;animation-delay:-4s}
.chip-7{bottom:2%;left:-11%;animation-delay:-4.6s;animation-duration:6.2s}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-14px)}}

/* Scroll hint */
.scroll-hint{
  position:absolute;bottom:28px;left:50%;transform:translateX(-50%);
  display:flex;flex-direction:column;align-items:center;gap:8px;text-decoration:none;
}
.mouse{
  width:25px;height:40px;border:2px solid var(--muted);border-radius:14px;
  display:flex;justify-content:center;padding-top:7px;
}
.wheel{width:3px;height:8px;border-radius:3px;background:var(--cyan);animation:wheel 1.6s ease infinite}
@keyframes wheel{0%{transform:translateY(0);opacity:1}70%{transform:translateY(12px);opacity:0}100%{opacity:0}}
.scroll-text{font-size:.72rem;letter-spacing:3px;text-transform:uppercase;color:var(--muted)}

/* ============ Marquee divider ============ */
.marquee{
  overflow:hidden;border-block:1px solid var(--glass-brd);
  background:rgba(255,255,255,.02);padding:16px 0;
}
.marquee-track{display:flex;width:max-content;animation:marquee 28s linear infinite}
.marquee-track span{
  font-family:var(--font-head);font-weight:600;font-size:1rem;
  color:var(--muted);padding-right:12px;white-space:nowrap;
}
@keyframes marquee{to{transform:translateX(-50%)}}

/* ============ Sections ============ */
.section{padding:110px 0;position:relative}
.sec-head{margin-bottom:56px;max-width:720px}
.sec-label{
  font-family:var(--font-mono);font-size:.85rem;color:var(--cyan);
  letter-spacing:2px;text-transform:uppercase;
}
.sec-title{
  font-family:var(--font-head);font-weight:800;
  font-size:clamp(1.9rem,4.4vw,3rem);line-height:1.15;margin-top:10px;letter-spacing:-.5px;
}
.sec-sub{color:var(--muted);margin-top:14px}

/* ============ About ============ */
.about-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:start}
.about-text p{color:var(--muted);margin-bottom:18px;font-size:1.04rem}
.about-text strong{color:var(--text)}
.about-chips{display:flex;flex-wrap:wrap;gap:10px;margin:22px 0 30px}
.chip{
  padding:8px 16px;border-radius:99px;font-size:.85rem;font-weight:500;
  background:var(--glass);border:1px solid var(--glass-brd);
  transition:.3s;cursor:default;
}
.chip:hover{border-color:var(--cyan);transform:translateY(-3px);box-shadow:0 8px 20px rgba(34,211,238,.18)}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.stat{padding:20px 12px;text-align:center;transition:.3s}
.stat:hover{transform:translateY(-5px);border-color:rgba(99,102,241,.5)}
.num{
  font-family:var(--font-head);font-weight:800;font-size:1.7rem;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;
}
.stat-label{display:block;font-size:.76rem;color:var(--muted);margin-top:4px}

/* identity.json card */
.id-card{overflow:hidden;transform-style:preserve-3d}
.id-card-bar{
  display:flex;align-items:center;gap:7px;padding:13px 18px;
  border-bottom:1px solid var(--glass-brd);background:rgba(255,255,255,.03);
}
.id-card-bar span{width:11px;height:11px;border-radius:50%}
.id-card-bar span:nth-child(1){background:#f87171}
.id-card-bar span:nth-child(2){background:#fbbf24}
.id-card-bar span:nth-child(3){background:#34d399}
.id-card-bar em{margin-left:auto;font-style:normal;font-size:.78rem;color:var(--muted);font-family:var(--font-mono)}
.id-code{
  padding:24px;font-family:var(--font-mono);font-size:.86rem;line-height:1.75;
  color:#c8d0ea;overflow-x:auto;
}
.id-code .k{color:var(--cyan)}
.id-code .s{color:#a5b4fc}
.id-code .b{color:#f472b6}

/* ============ Skills ============ */
.skills-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch}
.skill-card{padding:30px;transition:.35s;transform-style:preserve-3d}
.skill-card:hover{border-color:rgba(99,102,241,.45);box-shadow:0 24px 60px rgba(99,102,241,.18)}
.skill-card-head{display:flex;align-items:center;gap:13px;margin-bottom:24px}
.skill-ico{
  width:48px;height:48px;border-radius:14px;display:grid;place-items:center;
  font-size:1.35rem;background:var(--glass);border:1px solid var(--glass-brd);
}
.skill-card h3{font-family:var(--font-head);font-size:1.2rem}
.skill-note{color:var(--muted);font-size:.92rem;margin-bottom:20px}

/* Rings */
.rings{display:grid;grid-template-columns:repeat(auto-fit,minmax(96px,1fr));gap:16px;justify-items:center}
.ring{position:relative;width:96px;height:96px}
.ring svg{width:100%;height:100%;transform:rotate(-90deg)}
.ring circle{fill:none;stroke-width:9;stroke-linecap:round}
.ring-bg{stroke:rgba(255,255,255,.07)}
.ring-val{
  stroke:url(#ringGrad);stroke:url(#ringGrad);
  stroke:#22d3ee; /* fallback */
  stroke-dasharray:339.292; /* 2πr, r=54 */
  stroke-dashoffset:339.292;
  transition:stroke-dashoffset 1.5s cubic-bezier(.22,1,.36,1);
  filter:drop-shadow(0 0 6px rgba(34,211,238,.5));
}
.ring-info{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center}
.ring-info b{font-family:var(--font-head);font-size:1.02rem}
.ring-info span{font-size:.64rem;color:var(--muted);text-align:center;line-height:1.25;max-width:80px}

/* Bars */
.bars{display:flex;flex-direction:column;gap:20px}
.bar-top{display:flex;justify-content:space-between;font-size:.9rem;margin-bottom:8px}
.bar-top b{color:var(--cyan);font-family:var(--font-mono);font-size:.82rem}
.bar-track{height:9px;border-radius:99px;background:rgba(255,255,255,.07);overflow:hidden}
.bar-fill{
  display:block;height:100%;width:0;border-radius:99px;background:var(--grad);
  transition:width 1.4s cubic-bezier(.22,1,.36,1);
  box-shadow:0 0 12px rgba(99,102,241,.6);
}
.chip-cloud{display:flex;flex-wrap:wrap;gap:10px}
.lang-mini{display:flex;gap:14px;margin-top:26px}
.lang-mini div{
  flex:1;padding:14px;border-radius:14px;text-align:center;
  background:var(--glass);border:1px solid var(--glass-brd);
}
.lang-mini b{display:block;font-family:var(--font-head)}
.lang-mini span{font-size:.78rem;color:var(--muted)}

/* ============ Projects ============ */
.project-feature{
  position:relative;overflow:hidden;padding:46px;margin-bottom:28px;
  transform-style:preserve-3d;transition:.35s;
}
.project-feature:hover{border-color:rgba(34,211,238,.4)}
.pf-glow{
  position:absolute;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(99,102,241,.28),transparent 70%);
  top:-160px;right:-120px;filter:blur(20px);pointer-events:none;
}
.pf-badge{
  display:inline-block;padding:7px 16px;border-radius:99px;font-size:.78rem;font-weight:600;
  background:rgba(99,102,241,.14);border:1px solid rgba(99,102,241,.4);color:#a5b4fc;
  margin-bottom:18px;
}
.pf-body h3{font-family:var(--font-head);font-size:clamp(1.4rem,3vw,1.9rem);margin-bottom:14px}
.pf-body>p{color:var(--muted);max-width:760px}
.pf-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin:30px 0}
.pf-stat{
  padding:20px;border-radius:16px;text-align:center;
  background:rgba(255,255,255,.03);border:1px solid var(--glass-brd);
}
.pf-stat .num{font-size:2rem;display:block}
.pf-stat small{color:var(--muted);font-size:.76rem;display:block;margin-top:6px;line-height:1.4}
.tags{display:flex;flex-wrap:wrap;gap:9px;margin:22px 0}
.tag{
  padding:6px 14px;border-radius:99px;font-size:.78rem;font-weight:500;
  background:rgba(34,211,238,.08);border:1px solid rgba(34,211,238,.25);color:#9be8f7;
}
.pf-actions{margin-top:8px}

.project-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.project-card{
  padding:30px;transition:.35s;position:relative;overflow:hidden;
  transform-style:preserve-3d;
}
.project-card::before{
  content:"";position:absolute;inset:0 0 auto;height:3px;background:var(--grad);
  transform:scaleX(0);transform-origin:left;transition:transform .4s;
}
.project-card:hover{transform:translateY(-8px);border-color:rgba(99,102,241,.45);box-shadow:0 26px 56px rgba(2,6,20,.6)}
.project-card:hover::before{transform:scaleX(1)}
.pc-ico{font-size:2rem;display:block;margin-bottom:16px}
.project-card h4{font-family:var(--font-head);font-size:1.12rem;margin-bottom:10px}
.project-card p{color:var(--muted);font-size:.9rem;margin-bottom:16px}
.pc-note{display:block;margin-top:16px;font-size:.75rem;color:var(--muted);font-family:var(--font-mono)}

/* ============ Timeline ============ */
.timeline{position:relative;list-style:none;max-width:900px;margin-inline:auto}
.timeline::before{
  content:"";position:absolute;top:0;bottom:0;left:50%;width:2px;
  transform:translateX(-50%);
  background:linear-gradient(180deg,transparent,#6366f1 8%,#22d3ee 50%,#a855f7 92%,transparent);
}
.tl-item{position:relative;width:50%;padding:0 44px 44px 0}
.tl-item:nth-child(even){margin-left:50%;padding:0 0 44px 44px}
.tl-dot{
  position:absolute;top:6px;right:-21px;width:42px;height:42px;border-radius:50%;
  display:grid;place-items:center;font-size:1.05rem;
  background:#0d1224;border:1px solid var(--glass-brd);
  box-shadow:0 0 0 5px rgba(99,102,241,.12),0 0 22px rgba(99,102,241,.35);
  z-index:2;
}
.tl-item:nth-child(even) .tl-dot{right:auto;left:-21px}
.tl-card{padding:24px 26px;transition:.3s}
.tl-card:hover{transform:translateY(-4px);border-color:rgba(34,211,238,.4)}
.tl-date{font-family:var(--font-mono);font-size:.76rem;color:var(--cyan);letter-spacing:.5px}
.tl-card h3{font-family:var(--font-head);font-size:1.06rem;margin:8px 0 8px}
.tl-card p{color:var(--muted);font-size:.89rem;margin-top:10px}
.tag-work{background:rgba(99,102,241,.12);border-color:rgba(99,102,241,.4);color:#a5b4fc}
.tag-train{background:rgba(168,85,247,.1);border-color:rgba(168,85,247,.35);color:#d8b4fe}
.tag-vol{background:rgba(52,211,153,.1);border-color:rgba(52,211,153,.35);color:#86efc5}
.tag-edu{background:rgba(251,191,36,.1);border-color:rgba(251,191,36,.35);color:#fde68a}

/* ============ Certifications ============ */
.cert-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.cert-card{
  padding:26px;transition:.3s;position:relative;overflow:hidden;
}
.cert-card::after{
  content:"";position:absolute;width:120px;height:120px;border-radius:50%;
  background:radial-gradient(circle,rgba(34,211,238,.16),transparent 70%);
  top:-50px;right:-50px;opacity:0;transition:.4s;
}
.cert-card:hover{transform:translateY(-6px) rotate(-.5deg);border-color:rgba(34,211,238,.4)}
.cert-card:hover::after{opacity:1}
.cert-ico{
  width:46px;height:46px;border-radius:13px;display:grid;place-items:center;
  font-size:1.25rem;background:var(--glass);border:1px solid var(--glass-brd);
  margin-bottom:16px;
}
.cert-card h4{font-family:var(--font-head);font-size:1rem;margin-bottom:5px}
.cert-card p{color:var(--muted);font-size:.86rem}
.cert-card small{color:var(--cyan);font-family:var(--font-mono);font-size:.72rem}

/* ============ Beyond work ============ */
.beyond-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.beyond-card{padding:36px;transition:.35s}
.beyond-card:hover{transform:translateY(-6px);border-color:rgba(168,85,247,.4)}
.beyond-ico{font-size:2.1rem;display:block;margin-bottom:18px}
.beyond-card h3{font-family:var(--font-head);margin-bottom:10px}
.beyond-card p{color:var(--muted);font-size:.94rem;margin:14px 0 4px}
.beyond-card .chip-cloud{margin-top:18px}

/* ============ Final CTA ============ */
.cta-box{
  position:relative;overflow:hidden;text-align:center;padding:80px 40px;
}
.cta-glow{
  position:absolute;inset:auto -20% -60% -20%;height:120%;
  background:radial-gradient(ellipse at 50% 100%,rgba(99,102,241,.3),transparent 60%);
  pointer-events:none;
}
.cta-box h2{font-family:var(--font-head);font-weight:800;font-size:clamp(1.8rem,4.6vw,3rem);letter-spacing:-.5px}
.cta-box p{color:var(--muted);margin:18px auto 32px;max-width:560px}
.cta-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.cta-contacts{display:flex;gap:28px;justify-content:center;flex-wrap:wrap;margin-top:38px}
.cta-contacts a{color:var(--muted);text-decoration:none;font-size:.92rem;transition:.25s}
.cta-contacts a:hover{color:var(--cyan)}

/* ============ Footer ============ */
.footer{border-top:1px solid var(--glass-brd);padding:56px 0 30px;background:rgba(255,255,255,.015)}
.footer-grid{display:flex;align-items:center;justify-content:space-between;gap:26px;flex-wrap:wrap}
.footer-tag{color:var(--muted);font-size:.86rem;margin-top:6px}
.footer-links{display:flex;flex-direction:column;gap:8px}
.footer-links a{color:var(--muted);text-decoration:none;font-size:.9rem;transition:.25s}
.footer-links a:hover{color:var(--cyan)}
.footer-copy{text-align:center;color:var(--muted);font-size:.8rem;margin-top:40px}

/* ============ Reveal animations ============ */
[data-reveal]{
  opacity:0;transform:translateY(36px);
  transition:opacity .8s cubic-bezier(.22,1,.36,1),transform .8s cubic-bezier(.22,1,.36,1);
  transition-delay:var(--d,0s);
}
[data-reveal].in{opacity:1;transform:none}
.tl-item[data-reveal]{transform:translateX(-40px)}
.tl-item:nth-child(even)[data-reveal]{transform:translateX(40px)}
.tl-item[data-reveal].in{transform:none}

/* ============ Responsive ============ */
@media (max-width:992px){
  .hero-grid{grid-template-columns:1fr;text-align:center;gap:70px}
  .hero-tagline{margin-inline:auto}
  .hero-ctas,.hero-socials{justify-content:center}
  .about-grid{grid-template-columns:1fr}
  .skills-grid{grid-template-columns:1fr;max-width:560px;margin-inline:auto}
  .project-cards{grid-template-columns:1fr 1fr}
  .cert-grid{grid-template-columns:1fr 1fr}
  .timeline::before{left:21px}
  .tl-item,.tl-item:nth-child(even){width:100%;margin-left:0;padding:0 0 36px 64px}
  .tl-dot,.tl-item:nth-child(even) .tl-dot{left:0;right:auto}
  .tl-item[data-reveal],.tl-item:nth-child(even)[data-reveal]{transform:translateX(40px)}
  .beyond-grid{grid-template-columns:1fr}
}
@media (max-width:768px){
  .nav-links{
    position:fixed;inset:0;background:rgba(6,9,19,.96);
    backdrop-filter:blur(20px);flex-direction:column;justify-content:center;
    gap:34px;transform:translateX(100%);transition:transform .4s cubic-bezier(.22,1,.36,1);
  }
  .nav-links.open{transform:none}
  .nav-link{font-size:1.2rem}
  .nav-toggle{display:flex}
  .stats{grid-template-columns:1fr 1fr}
  .pf-stats{grid-template-columns:1fr}
  .project-cards{grid-template-columns:1fr}
  .chip-5,.chip-7{display:none} /* declutter portrait on small screens */
  .chip-3{bottom:6%;right:-4%}
  .chip-2{right:-4%}
  .scroll-hint{display:none}
}
@media (max-width:520px){
  .cert-grid{grid-template-columns:1fr}
  .section{padding:84px 0}
  .cta-box{padding:60px 22px}
  .footer-grid{flex-direction:column;text-align:center}
  .footer-links{align-items:center}
}

/* ============ Reduced motion ============ */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
  html{scroll-behavior:auto}
  [data-reveal]{opacity:1;transform:none}
}