/* ============ Tokens ============ */
:root{
  --bg: #05060a;
  --bg-alt: #090b12;
  --surface: rgba(255,255,255,0.04);
  --surface-hover: rgba(255,255,255,0.07);
  --border: rgba(255,255,255,0.09);
  --border-hover: rgba(0,240,255,0.35);
  --text: #e8ecf5;
  --text-dim: #9aa3b8;
  --text-faint: #5b6479;
  --cyan: #00e5ff;
  --purple: #6366f1;
  --blue: #3b82f6;
  --gradient-1: linear-gradient(135deg, var(--cyan), var(--blue));
  --gradient-2: linear-gradient(135deg, var(--blue), var(--purple));
  --gradient-text: linear-gradient(90deg, var(--cyan), var(--blue));
  --font-display: 'Space Grotesk', 'Inter', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --radius: 12px;
  --radius-sm: 8px;
  --container: 1180px;
}

*,*::before,*::after{ box-sizing: border-box; margin:0; padding:0; }
html{ scroll-behavior: smooth; }
body{
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
ul{ list-style:none; }
.container{ max-width: var(--container); margin: 0 auto; padding: 0 24px; }

::selection{ background: var(--cyan); color:#000; }

/* scrollbar */
::-webkit-scrollbar{ width:10px; }
::-webkit-scrollbar-track{ background: var(--bg); }
::-webkit-scrollbar-thumb{ background: linear-gradient(var(--cyan), var(--purple)); border-radius:10px; }

/* ============ Cursor glow / progress ============ */
.cursor-glow{
  position: fixed; top:0; left:0; width: 420px; height: 420px;
  pointer-events: none; z-index: 2;
  background: radial-gradient(circle, rgba(0,240,255,0.06), transparent 70%);
  transform: translate(-50%,-50%);
  transition: opacity .3s ease;
  will-change: transform;
}
@media (max-width: 768px){ .cursor-glow{ display:none; } }

.progress-bar{
  position: fixed; top:0; left:0; height:3px; width:0%;
  background: var(--gradient-text); z-index: 1000;
  box-shadow: 0 0 10px var(--cyan);
  transition: width .1s linear;
}

/* ============ Nav ============ */
.nav{
  position: fixed; top:0; left:0; right:0; z-index: 100;
  padding: 18px 0;
  transition: all .35s ease;
  border-bottom: 1px solid transparent;
}
.nav.scrolled{
  padding: 12px 0;
  background: rgba(5,6,10,0.75);
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  border-bottom: 1px solid var(--border);
}
.nav-inner{
  max-width: var(--container); margin: 0 auto; padding: 0 24px;
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
}
.logo{
  font-family: var(--font-display); font-weight: 700; font-size: 1.3rem;
  letter-spacing: -0.02em; display:flex; align-items:center; gap:2px;
}
.logo-bracket{ color: var(--cyan); }
.logo-accent{ background: var(--gradient-2); -webkit-background-clip:text; background-clip:text; color:transparent; }
.nav-links{ display:flex; gap: 32px; }
.nav-link{
  font-size: .92rem; color: var(--text-dim); font-weight:500;
  position: relative; padding: 4px 0; transition: color .25s;
}
.nav-link::after{
  content:''; position:absolute; left:0; bottom:-2px; width:0; height:2px;
  background: var(--gradient-1); transition: width .25s ease;
}
.nav-link:hover{ color: var(--text); }
.nav-link:hover::after, .nav-link.active::after{ width:100%; }
.nav-link.active{ color: var(--cyan); }

.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  padding: 12px 24px; border-radius: var(--radius-sm); font-weight:600; font-size:.92rem;
  cursor:pointer; border:none; transition: all .3s ease; white-space:nowrap;
}
.btn-nav{
  background: var(--surface); border:1px solid var(--border); color: var(--text);
}
.btn-nav:hover{ border-color: var(--border-hover); box-shadow: 0 0 20px rgba(0,240,255,0.15); }
.btn-resume{ padding: 12px 18px; }
.nav-link-mobile-resume{ display:none; }
.btn-primary{
  background: var(--gradient-1); color:#04060a; font-weight:700;
  box-shadow: 0 8px 24px rgba(0,240,255,0.18);
}
.btn-primary:hover{ transform: translateY(-2px); box-shadow: 0 12px 32px rgba(0,240,255,0.3); }
.btn-primary svg{ transition: transform .3s; }
.btn-primary:hover svg{ transform: translateX(4px); }
.btn-ghost{
  background: transparent; border: 1px solid var(--border); color: var(--text);
}
.btn-ghost:hover{ background: var(--surface); border-color: var(--border-hover); }

.menu-toggle{
  display:none; flex-direction:column; gap:5px; background:none; border:none; cursor:pointer; z-index: 200;
}
.menu-toggle span{ width:24px; height:2px; background: var(--text); border-radius:2px; transition: all .3s; }
.menu-toggle.open span:nth-child(1){ transform: translateY(7px) rotate(45deg); }
.menu-toggle.open span:nth-child(2){ opacity:0; }
.menu-toggle.open span:nth-child(3){ transform: translateY(-7px) rotate(-45deg); }

/* ============ Hero ============ */
.hero{
  position: relative; min-height: 100vh; display:flex; align-items:center; justify-content:center;
  padding: 120px 24px 80px; overflow: hidden;
}
#particleCanvas{ position:absolute; inset:0; z-index:0; opacity:.6; }
.grid-overlay{
  position:absolute; inset:0; z-index:0;
  background-image:
    linear-gradient(rgba(255,255,255,0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.035) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black 20%, transparent 75%);
}
.hero-glow{ position:absolute; border-radius:50%; filter: blur(120px); z-index:0; pointer-events:none; }
.hero-glow-1{ width:520px; height:520px; background: rgba(0,240,255,0.16); top:-10%; left:-8%; animation: float1 14s ease-in-out infinite; }
.hero-glow-2{ width:480px; height:480px; background: rgba(99,102,241,0.16); bottom:-10%; right:-8%; animation: float2 16s ease-in-out infinite; }
@keyframes float1{ 0%,100%{ transform: translate(0,0); } 50%{ transform: translate(40px,50px); } }
@keyframes float2{ 0%,100%{ transform: translate(0,0); } 50%{ transform: translate(-40px,-30px); } }

.hero-content{ position: relative; z-index: 2; max-width: 780px; text-align:center; margin: 0 auto; }

.hero-tag{
  display:inline-flex; align-items:center; gap:8px;
  padding: 7px 16px; border-radius: var(--radius-sm); border:1px solid var(--border);
  background: var(--surface); font-size:.8rem; color: var(--text-dim); margin-bottom: 28px;
  font-family: var(--font-mono);
}
.pulse-dot{
  width:7px; height:7px; border-radius:50%; background:#4ade80;
  box-shadow: 0 0 0 rgba(74,222,128,.6); animation: pulse 2s infinite;
}
@keyframes pulse{
  0%{ box-shadow: 0 0 0 0 rgba(74,222,128,.6); }
  70%{ box-shadow: 0 0 0 8px rgba(74,222,128,0); }
  100%{ box-shadow: 0 0 0 0 rgba(74,222,128,0); }
}

.hero-hi{ font-family: var(--font-mono); color: var(--cyan); font-size: 1.05rem; margin-bottom: 10px; }
.hero-name{
  font-family: var(--font-display); font-weight:700; letter-spacing:-0.03em;
  font-size: clamp(2.6rem, 7vw, 4.6rem); line-height:1.05; margin-bottom: 14px;
  background: linear-gradient(180deg, #fff, #b8c2d9);
  -webkit-background-clip:text; background-clip:text; color:transparent;
}
.cursor-blink{ color: var(--cyan); animation: blink 1s step-end infinite; -webkit-text-fill-color: var(--cyan); }
@keyframes blink{ 50%{ opacity:0; } }

.hero-role{
  font-family: var(--font-display); font-weight:600; font-size: clamp(1.2rem, 3vw, 1.8rem);
  margin-bottom: 22px; min-height: 1.4em;
}
#typedRole{
  background: var(--gradient-text); -webkit-background-clip:text; background-clip:text; color:transparent;
  background-size: 200% auto; animation: shine 12s ease-in-out infinite alternate;
}
@keyframes shine{ to{ background-position: 100% center; } }

.hero-desc{ color: var(--text-dim); font-size: 1.05rem; max-width: 620px; margin: 0 auto 36px; }
.hero-desc strong{ color: var(--text); font-weight:600; }

.hero-cta{ display:flex; gap:16px; justify-content:center; flex-wrap:wrap; margin-bottom: 36px; }

.hero-socials{ display:flex; gap:14px; justify-content:center; }
.social-icon{
  width:42px; height:42px; border-radius: var(--radius-sm); display:flex; align-items:center; justify-content:center;
  border:1px solid var(--border); background: var(--surface); color: var(--text-dim);
  transition: all .3s; font-size: 17px;
}
.social-icon:hover{
  color: var(--cyan); border-color: var(--border-hover); transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(0,240,255,0.18);
}

.scroll-indicator{
  position:absolute; bottom: 36px; left:50%; transform: translateX(-50%);
  width:26px; height:42px; border:2px solid var(--border); border-radius:16px; z-index:2;
}
.scroll-indicator span{
  position:absolute; top:8px; left:50%; transform: translateX(-50%);
  width:4px; height:8px; border-radius:2px; background: var(--cyan);
  animation: scrollDown 1.8s infinite;
}
@keyframes scrollDown{ 0%{ opacity:1; top:8px; } 100%{ opacity:0; top:22px; } }

/* ============ Sections (generic) ============ */
.section{ padding: 120px 0; position: relative; }
.section-eyebrow{
  font-family: var(--font-mono); color: var(--cyan); font-size:.85rem; letter-spacing:.03em; margin-bottom:14px;
}
.section-title{
  font-family: var(--font-display); font-weight:700; letter-spacing:-0.02em;
  font-size: clamp(1.9rem, 4vw, 2.7rem); margin-bottom: 20px;
}
.section-sub{ color: var(--text-dim); max-width: 640px; margin-bottom: 20px; font-size: 1.02rem; }

/* reveal animation */
.reveal{ opacity:0; transform: translateY(28px); transition: opacity .7s cubic-bezier(.16,1,.3,1), transform .7s cubic-bezier(.16,1,.3,1); }
.reveal.in{ opacity:1; transform: translateY(0); }

/* ============ About ============ */
.about-grid{ display:grid; grid-template-columns: 1.1fr .9fr; gap: 56px; align-items:center; margin-bottom: 60px; }
.about-text p{ color: var(--text-dim); margin-bottom: 18px; font-size: 1.02rem; }
.about-text strong{ color: var(--text); }

.code-card{
  background: var(--bg-alt); border:1px solid var(--border); border-radius: var(--radius);
  overflow:hidden; box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}
.code-card-head{
  display:flex; align-items:center; gap:8px; padding: 14px 18px; background: rgba(255,255,255,0.03);
  border-bottom: 1px solid var(--border);
}
.dot{ width:11px; height:11px; border-radius:50%; }
.dot.red{ background:#ff5f57; } .dot.yellow{ background:#febc2e; } .dot.green{ background:#28c840; }
.code-card-title{ margin-left:8px; font-family: var(--font-mono); font-size:.8rem; color: var(--text-faint); }
.code-block{
  padding: 22px; font-family: var(--font-mono); font-size: .88rem; line-height:1.8; color: #c3cadb;
  overflow-x:auto;
}
.c-kw{ color: var(--purple); } .c-cls{ color: var(--cyan); } .c-str{ color: #a3e635; } .c-num{ color:#fbbf24; }

.stats-row{ display:grid; grid-template-columns: repeat(3,1fr); gap: 20px; }
.stat-card{
  padding: 28px 20px; text-align:center; border-radius: var(--radius);
  background: var(--surface); border:1px solid var(--border); transition: all .3s;
}
.stat-card:hover{ border-color: var(--border-hover); transform: translateY(-4px); }
.stat-num{
  font-family: var(--font-display); font-size: 2.6rem; font-weight:700;
  background: var(--gradient-1); -webkit-background-clip:text; background-clip:text; color:transparent;
}
.stat-label{ color: var(--text-dim); font-size: .88rem; margin-top:6px; }

/* ============ Timeline ============ */
.timeline{ position:relative; max-width: 880px; margin: 0 auto; padding-left: 32px; }
.timeline::before{
  content:''; position:absolute; left:5px; top:6px; bottom:6px; width:2px;
  background: linear-gradient(var(--cyan), var(--purple));
  opacity:.4;
}
.timeline-item{ position:relative; margin-bottom: 44px; }
.timeline-item:last-child{ margin-bottom:0; }
.timeline-dot{
  position:absolute; left:-32px; top:6px; width:12px; height:12px; border-radius:50%;
  background: var(--cyan); box-shadow: 0 0 0 5px rgba(0,240,255,0.12), 0 0 16px rgba(0,240,255,.6);
}
.timeline-card{
  background: var(--surface); border:1px solid var(--border); border-radius: var(--radius);
  padding: 28px 30px; transition: all .3s;
}
.timeline-card:hover{ border-color: var(--border-hover); }
.timeline-card h3{ font-family: var(--font-display); font-size:1.25rem; margin-bottom: 6px; }
.timeline-sub{ color: var(--cyan); font-size: .88rem; margin-bottom: 16px; font-family: var(--font-mono); }
.timeline-card ul{ display:flex; flex-direction:column; gap: 10px; }
.timeline-card li{ color: var(--text-dim); font-size: .95rem; padding-left: 20px; position:relative; }
.timeline-card li::before{ content:'▹'; position:absolute; left:0; color: var(--purple); }
.timeline-card strong{ color: var(--text); }

.badge{
  display:inline-block; font-family: var(--font-mono); font-size:.7rem; font-weight:600;
  padding: 4px 10px; border-radius:6px; letter-spacing:.04em; margin-bottom:12px;
}
.badge-current{ background: rgba(74,222,128,0.12); color:#4ade80; border:1px solid rgba(74,222,128,0.3); }

/* ============ Skills ============ */
.skills-grid{ display:grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.skill-cat{
  background: var(--surface); border:1px solid var(--border); border-radius: var(--radius);
  padding: 26px 28px; transition: all .3s;
}
.skill-cat:hover{ border-color: var(--border-hover); transform: translateY(-3px); }
.skill-cat h3{
  font-family: var(--font-display); font-size: 1.02rem; margin-bottom: 16px;
  display:flex; align-items:center; gap:10px;
}
.skill-icon{ color: var(--cyan); font-size:1.1rem; }
.tags{ display:flex; flex-wrap:wrap; gap:9px; }
.tag{
  font-family: var(--font-mono); font-size:.78rem; padding: 6px 12px; border-radius: 6px;
  background: rgba(255,255,255,0.04); border:1px solid var(--border); color: var(--text-dim);
  transition: all .25s;
}
.tag:hover{ color: var(--cyan); border-color: var(--border-hover); background: rgba(0,240,255,0.06); }

/* ============ Services ============ */
.services-grid{ display:grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.service-card{
  background: var(--surface); border:1px solid var(--border); border-radius: var(--radius);
  padding: 32px 26px; transition: all .35s; position:relative; overflow:hidden;
}
.service-card::before{
  content:''; position:absolute; inset:0; opacity:0; transition: opacity .35s;
  background: radial-gradient(circle at 30% 0%, rgba(0,240,255,0.1), transparent 60%);
}
.service-card:hover::before{ opacity:1; }
.service-card:hover{ border-color: var(--border-hover); transform: translateY(-5px); }
.service-icon{
  width:48px; height:48px; margin-bottom: 20px; border-radius: var(--radius-sm);
  display:flex; align-items:center; justify-content:center;
  background: rgba(0,229,255,0.06); border:1px solid rgba(0,229,255,0.2); color: var(--cyan);
  position: relative; z-index:1;
}
.service-card h3{ font-family: var(--font-display); font-size: 1.1rem; margin-bottom: 10px; }
.service-card p{ color: var(--text-dim); font-size: .92rem; }

/* ============ Projects ============ */
.projects-grid{ display:grid; grid-template-columns: 1fr; gap: 22px; }
.project-card{
  background: var(--surface); border:1px solid var(--border); border-radius: var(--radius);
  padding: 28px 26px; transition: all .35s; display:flex; flex-direction:column;
}
.project-card:hover{ border-color: var(--border-hover); transform: translateY(-5px); box-shadow: 0 16px 40px rgba(0,0,0,0.35); }
.project-card h3{ font-family: var(--font-display); font-size: 1.15rem; margin-bottom: 10px; margin-top: 2px; }
.project-card p{ color: var(--text-dim); font-size: .92rem; margin-bottom: 18px; flex:1; }
.project-card .tags{ margin-top:auto; }
.project-card .tag{ font-size:.72rem; padding: 5px 10px; }

.badge-flagship{ background: rgba(0,229,255,0.12); color: var(--cyan); border:1px solid rgba(0,229,255,0.3); }
.badge-neutral{ background: rgba(255,255,255,0.04); color: var(--text-dim); border:1px solid var(--border); }

/* ============ Project screenshot gallery ============ */
.project-shots{
  display:grid; grid-template-columns: repeat(5, 1fr); gap: 10px; margin-bottom: 20px;
}
.project-shot{
  position:relative; padding:0; border:1px solid var(--border); border-radius: 10px;
  overflow:hidden; cursor: zoom-in; background: rgba(255,255,255,0.02);
  aspect-ratio: 16/10; line-height:0;
}
.project-shot img{
  width:100%; height:100%; object-fit: cover; display:block; transition: transform .4s;
}
.project-shot:hover{ border-color: var(--border-hover); }
.project-shot:hover img{ transform: scale(1.08); }

.lightbox{
  position:fixed; inset:0; z-index:200; display:flex; align-items:center; justify-content:center;
  background: rgba(6,8,14,0.92); backdrop-filter: blur(6px);
  opacity:0; visibility:hidden; transition: opacity .25s;
  padding: 40px 20px;
}
.lightbox.open{ opacity:1; visibility:visible; }
.lightbox-figure{ max-width: min(1100px, 92vw); max-height: 88vh; margin:0; text-align:center; }
.lightbox-figure img{
  max-width:100%; max-height: 78vh; border-radius: 10px; border: 1px solid var(--border-hover);
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}
.lightbox-figure figcaption{
  color: var(--text-dim); font-size: .88rem; margin-top: 14px; letter-spacing: .02em;
}
.lightbox-close{
  position:absolute; top: 22px; right: 26px; width:42px; height:42px; border-radius:50%;
  background: rgba(255,255,255,0.06); border:1px solid var(--border); color:var(--text);
  font-size: 1.6rem; line-height:1; cursor:pointer; transition: all .25s;
}
.lightbox-close:hover{ background: rgba(0,229,255,0.12); border-color: rgba(0,229,255,0.3); color: var(--cyan); }

@media (max-width: 640px){
  .project-shots{ grid-template-columns: repeat(3, 1fr); }
}

.project-links{ display:flex; flex-wrap:wrap; gap:8px; margin-bottom: 14px; }
.project-link{
  display:inline-flex; align-items:center; gap:6px; font-size:.78rem; font-weight:500;
  padding: 6px 12px; border-radius: 20px; border:1px solid var(--border); color: var(--text-dim);
  transition: all .25s;
}
.project-link:hover{ border-color: rgba(0,229,255,0.4); color: var(--cyan); background: rgba(0,229,255,0.06); }
.project-link svg{ flex-shrink:0; }

/* ============ Testimonials ============ */
.testimonials-section{ overflow:hidden; }
.marquee-wrap{
  width:100%; overflow:hidden; padding: 20px 0 40px;
  mask-image: linear-gradient(90deg, transparent, black 8%, black 92%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, black 8%, black 92%, transparent);
}
.marquee-track{
  display:flex; gap: 22px; width: max-content;
  animation: marquee 42s linear infinite;
}
.marquee-wrap:hover .marquee-track{ animation-play-state: paused; }
@keyframes marquee{ from{ transform: translateX(0); } to{ transform: translateX(-50%); } }

.t-card{
  width: 340px; flex-shrink:0; background: var(--surface); border:1px solid var(--border);
  border-radius: var(--radius); padding: 26px 26px 22px;
}
.t-stars{ color:#fbbf24; letter-spacing:2px; margin-bottom: 14px; font-size: .95rem; }
.t-card p{ color: var(--text-dim); font-size: .92rem; margin-bottom: 20px; min-height: 66px; }
.t-foot{ display:flex; align-items:center; gap:12px; }
.t-avatar{
  width:38px; height:38px; border-radius: var(--radius-sm); display:flex; align-items:center; justify-content:center;
  background: rgba(0,229,255,0.08); border:1px solid rgba(0,229,255,0.25);
  font-family: var(--font-display); font-weight:700; color: var(--cyan); flex-shrink:0;
}
.t-foot div{ display:flex; flex-direction:column; }
.t-foot strong{ font-size: .9rem; }
.t-foot span{ font-size: .78rem; color: var(--text-faint); }

.link-arrow{
  display:inline-block; margin-top: 10px; color: var(--cyan); font-weight:600; font-size:.95rem;
  border-bottom: 1px solid transparent; transition: border-color .25s;
}
.link-arrow:hover{ border-color: var(--cyan); }

/* ============ Education ============ */
.edu-card{
  display:flex; gap:22px; align-items:flex-start; background: var(--surface); border:1px solid var(--border);
  border-radius: var(--radius); padding: 32px; max-width: 720px;
}
.edu-icon{
  width:56px; height:56px; flex-shrink:0; border-radius: var(--radius-sm);
  display:flex; align-items:center; justify-content:center;
  background: rgba(0,229,255,0.06); border:1px solid rgba(0,229,255,0.2); color: var(--cyan);
}
.edu-card h3{ font-family: var(--font-display); font-size:1.15rem; margin-bottom:6px; }
.edu-award{ color: var(--text-dim); font-size:.9rem; margin-top: 10px; display:flex; align-items:center; }

/* ============ Contact ============ */
.contact-grid{ display:grid; grid-template-columns: repeat(5, 1fr); gap: 20px; margin-top: 40px; }
.contact-card{
  background: var(--surface); border:1px solid var(--border); border-radius: var(--radius);
  padding: 30px 20px; text-align:center; transition: all .3s;
}
.contact-card:hover{ border-color: var(--border-hover); transform: translateY(-5px); box-shadow: 0 16px 40px rgba(0,229,255,0.1); }
.contact-icon{
  width:44px; height:44px; margin: 0 auto 16px; border-radius: var(--radius-sm);
  display:flex; align-items:center; justify-content:center;
  background: rgba(0,229,255,0.06); border:1px solid rgba(0,229,255,0.2); color: var(--cyan);
  font-size: 19px;
}
.contact-card h3{ font-family: var(--font-display); font-size: 1rem; margin-bottom: 6px; }
.contact-card span{ color: var(--text-dim); font-size: .85rem; word-break: break-word; }

/* ============ Footer ============ */
.footer{ border-top: 1px solid var(--border); padding: 32px 0; }
.footer-inner{ display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:12px; }
.footer p{ color: var(--text-faint); font-size: .85rem; }
.back-top{ color: var(--text-dim); font-size:.85rem; transition: color .25s; }
.back-top:hover{ color: var(--cyan); }

/* ============ Responsive ============ */
@media (max-width: 1024px){
  .services-grid{ grid-template-columns: repeat(2,1fr); }
  .skills-grid{ grid-template-columns: 1fr; }
  .contact-grid{ grid-template-columns: repeat(3,1fr); }
}

@media (max-width: 860px){
  .nav-links{ display:none; }
  .btn-nav{ display:none; }
  .menu-toggle{ display:flex; }
  .about-grid{ grid-template-columns: 1fr; }
  .stats-row{ grid-template-columns: 1fr; }
}

@media (max-width: 680px){
  .services-grid{ grid-template-columns: 1fr; }
  .contact-grid{ grid-template-columns: 1fr; }
  .section{ padding: 80px 0; }
  .hero{ padding-top: 140px; }
  .edu-card{ flex-direction:column; }
}

/* Mobile nav drawer */
@media (max-width: 860px){
  .nav-links.open{
    display:flex; flex-direction:column; position:fixed; top:0; right:0; height:100vh; width: min(78vw, 320px);
    background: rgba(6,7,12,0.97); backdrop-filter: blur(20px);
    padding: 100px 32px 32px; gap: 26px; border-left: 1px solid var(--border);
    animation: slideIn .35s ease;
  }
  @keyframes slideIn{ from{ transform: translateX(100%); } to{ transform: translateX(0); } }
  .nav-link{ font-size: 1.1rem; }
  .nav-link-mobile-resume{
    display:block; margin-top: 14px; padding-top: 22px; border-top: 1px solid var(--border);
    color: var(--cyan); font-weight:600;
  }
}

@media (min-width: 861px){
  .btn-resume{ display:inline-flex; }
}
@media (max-width: 860px){
  .btn-resume{ display:none; }
}