/* =========================================================
   tushar-portfolio v2 — style.css
   Palette: deep ink navy + warm amber + teal accent
   ========================================================= */

:root{
  --navy:        #0e1626;
  --navy-2:      #16213b;
  --navy-3:      #1e2c4c;
  --paper:       #eef1f6;
  --paper-2:     #ffffff;
  --ink:         #12141c;
  --ink-dim:     #565c72;
  --line:        #dde2ec;
  --line-dark:   #283552;

  --amber:       #ffb648;
  --amber-dim:   #caa15c;
  --teal:        #35c4b5;

  --text-on-dark:      #eef1f8;
  --text-on-dark-dim:  #9aa3bf;

  --font-display: 'Sora', sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;

  --radius: 14px;
  --nav-h: 76px;
  --container: 1120px;
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  line-height:1.65;
  -webkit-font-smoothing: antialiased;
}
h1,h2,h3,h4{ font-family: var(--font-display); margin:0; }
a{ color:inherit; text-decoration:none; }
img{ max-width:100%; display:block; }
ul{ margin:0; padding:0; list-style:none; }
button{ font-family:inherit; cursor:pointer; }

::selection{ background: rgba(255,182,72,.35); }
:focus-visible{ outline: 2px solid var(--amber); outline-offset:3px; }

@media (prefers-reduced-motion: reduce){
  *{ animation-duration:.001ms !important; transition-duration:.001ms !important; scroll-behavior:auto !important; }
}

.section{ padding: 96px 24px; }
.section > *{ max-width: var(--container); margin-left:auto; margin-right:auto; }
.section-light{ background: var(--paper); }
.section-dark{ background: var(--navy); color: var(--text-on-dark); }
.section-dark .section-title{ color:#fff; }
.section-dark .section-eyebrow{ color: var(--teal); }

.section-eyebrow{
  display:block;
  font-family: var(--font-display);
  font-size:13px;
  font-weight:700;
  letter-spacing:2px;
  text-transform:uppercase;
  color: var(--amber-dim);
  margin-bottom:10px;
}
.section-title{
  font-size: clamp(28px,4vw,40px);
  font-weight:700;
  margin-bottom:44px;
  position:relative;
  display:inline-block;
}
.section-title::after{
  content:"";
  position:absolute; left:0; bottom:-14px;
  width:56px; height:4px;
  background: var(--amber);
  border-radius:2px;
}

/* ===================== Nav ===================== */
.nav{
  position:sticky; top:0; z-index:50;
  height: var(--nav-h);
  display:flex; align-items:center; justify-content:space-between;
  padding: 0 32px;
  background: rgba(14,22,38,.88);
  backdrop-filter: blur(10px);
  border-bottom:1px solid rgba(255,255,255,.06);
}
.nav-brand{
  font-family: var(--font-display);
  font-weight:800;
  font-size:22px;
  color:#fff;
}
.nav-brand span{ color: var(--amber); }
.nav-links{ display:flex; align-items:center; gap:30px; }
.nav-link{
  font-size:14.5px; font-weight:500;
  color: var(--text-on-dark-dim);
  transition: color .15s;
  position:relative;
}
.nav-link:hover{ color:#fff; }
.nav-link.active{ color: var(--amber); }
.nav-cta{
  background: var(--amber);
  color: var(--navy) !important;
  font-weight:700;
  padding: 9px 18px;
  border-radius:8px;
}
.nav-cta:hover{ filter:brightness(1.07); }

.nav-toggle{
  display:none;
  flex-direction:column; gap:5px;
  background:transparent; border:none;
  width:32px; height:32px;
  align-items:center; justify-content:center;
}
.nav-toggle span{ width:22px; height:2px; background:#fff; border-radius:2px; transition:.2s; }
.nav-toggle[aria-expanded="true"] span:nth-child(1){ transform:translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2){ opacity:0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3){ transform:translateY(-7px) rotate(-45deg); }

/* ===================== Hero ===================== */
.hero{
  position:relative;
  background: var(--navy);
  color: var(--text-on-dark);
  overflow:hidden;
  padding: 90px 24px 110px;
}
.hero-shape{
  position:absolute;
  top:-120px; right:-160px;
  width:520px; height:520px;
  background: radial-gradient(circle at 30% 30%, rgba(255,182,72,.16), transparent 65%),
              radial-gradient(circle at 70% 70%, rgba(53,196,181,.14), transparent 60%);
  border-radius:50%;
  filter: blur(4px);
}
.hero-inner{
  max-width: var(--container);
  margin: 0 auto;
  display:grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 56px;
  align-items:center;
  position:relative;
}
.eyebrow{
  font-family: var(--font-display);
  color: var(--teal);
  font-weight:700;
  letter-spacing:1.5px;
  text-transform:uppercase;
  font-size:13px;
  margin:0 0 18px;
}
.hero h1{
  font-size: clamp(32px, 4.6vw, 50px);
  font-weight:800;
  line-height:1.15;
  color:#fff;
  margin-bottom:22px;
}
.hero-sub{
  color: var(--text-on-dark-dim);
  font-size:16.5px;
  max-width:56ch;
  margin-bottom:34px;
}
.hero-actions{ display:flex; flex-wrap:wrap; gap:14px; }

.btn{
  display:inline-flex; align-items:center; justify-content:center;
  font-weight:700; font-size:14.5px;
  padding:14px 26px;
  border-radius:9px;
  border: 1px solid transparent;
  transition: transform .15s, filter .15s, background .15s, border-color .15s;
}
.btn-accent{ background: var(--amber); color: var(--navy); }
.btn-accent:hover{ transform:translateY(-2px); filter:brightness(1.06); }
.btn-outline{ border-color: rgba(255,255,255,.35); color:#fff; }
.btn-outline:hover{ border-color: var(--teal); color: var(--teal); transform:translateY(-2px); }
.btn-text{ color: var(--text-on-dark-dim); padding:14px 6px; }
.btn-text:hover{ color: var(--amber); }

.hero-photo{ position:relative; justify-self:center; }
.hero-photo-frame{
  width: min(320px, 78vw);
  border-radius: 20px;
  overflow:hidden;
  border: 1px solid rgba(255,255,255,.12);
  box-shadow: 0 30px 60px -20px rgba(0,0,0,.55);
  position:relative;
}
.hero-photo-frame::before{
  content:"";
  position:absolute; inset:-14px -14px auto auto;
  width:120px; height:120px;
  border: 3px solid var(--amber);
  border-radius:18px;
  z-index:-1;
}
.hero-photo-frame img{ width:100%; height:100%; object-fit:cover; }

.floating-chip{
  position:absolute;
  background: var(--paper-2);
  color: var(--ink);
  border-radius: 12px;
  padding: 12px 16px;
  display:flex; flex-direction:column;
  box-shadow: 0 16px 32px -12px rgba(0,0,0,.4);
  min-width:120px;
}
.chip-num{ font-family: var(--font-display); font-weight:800; font-size:22px; color: var(--navy); }
.chip-label{ font-size:11.5px; color: var(--ink-dim); font-weight:600; }
.chip-top{ top:-6px; left:-24px; }
.chip-bottom{ bottom:14px; right:-26px; }

/* ===================== About ===================== */
.about-grid{ display:grid; }
.about-text p{ color: var(--ink-dim); font-size:16px; max-width:70ch; }
.about-text strong{ color: var(--ink); font-weight:700; }

.about-stats{
  display:grid;
  grid-template-columns: repeat(4,1fr);
  gap:16px;
  margin-top:36px;
}
.stat-card{
  background: var(--paper-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px 16px;
  text-align:center;
  box-shadow: 0 10px 24px -18px rgba(14,22,38,.3);
}
.stat-num{
  display:block;
  font-family: var(--font-display);
  font-size:28px; font-weight:800;
  color: var(--navy);
}
.stat-label{ display:block; font-size:12.5px; color: var(--ink-dim); margin-top:4px; font-weight:500; }

/* ===================== Skills ===================== */
.skills-grid{
  display:grid;
  grid-template-columns: repeat(auto-fit, minmax(230px,1fr));
  gap:18px;
}
.skill-card{
  background: var(--navy-2);
  border: 1px solid var(--line-dark);
  border-radius: var(--radius);
  padding:24px;
  transition: transform .18s, border-color .18s;
}
.skill-card:hover{ transform: translateY(-4px); border-color: var(--amber); }
.skill-icon{
  width:44px; height:44px;
  border-radius:11px;
  display:flex; align-items:center; justify-content:center;
  background: linear-gradient(135deg, var(--amber), var(--teal));
  color: var(--navy);
  font-family: var(--font-display); font-weight:800; font-size:16px;
  margin-bottom:16px;
}
.skill-card h3{ font-size:16.5px; color:#fff; margin-bottom:12px; }
.skill-card ul{ display:flex; flex-direction:column; gap:7px; }
.skill-card li{
  font-size:13.5px; color: var(--text-on-dark-dim);
  padding-left:16px; position:relative;
}
.skill-card li::before{ content:"—"; position:absolute; left:0; color: var(--teal); }

/* ===================== Timeline (experience + education) ===================== */
.timeline{ display:flex; flex-direction:column; gap:0; }
.tl-card{
  display:grid;
  grid-template-columns: 190px 1fr;
  gap:28px;
  padding:30px 0;
  border-top: 1px solid var(--line);
}
.timeline > .tl-card:first-child{ border-top:none; }
.tl-date{
  font-family: var(--font-display);
  font-weight:700; font-size:13.5px;
  color: var(--navy);
  display:flex; align-items:flex-start; gap:10px;
}
.tl-date::before{
  content:"";
  width:9px; height:9px; border-radius:50%;
  background: var(--amber);
  margin-top:6px; flex:none;
}
.tl-body h3{ font-size:18px; margin-bottom:6px; color: var(--ink); }
.tl-body .tl-org{ color: var(--ink-dim); font-size:14px; margin-bottom:12px; display:block; }
.tl-body ul{ display:flex; flex-direction:column; gap:9px; }
.tl-body li{ font-size:14.5px; color: var(--ink-dim); padding-left:18px; position:relative; }
.tl-body li::before{ content:"›"; position:absolute; left:0; color: var(--teal); font-weight:700; }
.tl-body p{ margin:0; color: var(--ink-dim); font-size:14px; }

.timeline-compact .tl-card{ grid-template-columns: 150px 1fr; padding:22px 0; }

/* ===================== Projects ===================== */
.projects-grid{
  display:grid;
  grid-template-columns: repeat(auto-fit, minmax(300px,1fr));
  gap:22px;
}
.project-card{
  background: var(--navy-2);
  border: 1px solid var(--line-dark);
  border-radius: var(--radius);
  overflow:hidden;
  display:flex; flex-direction:column;
  transition: transform .18s, border-color .18s;
}
.project-card:hover{ transform: translateY(-5px); border-color: var(--teal); }
.project-cover{
  height:130px;
  display:flex; align-items:center; justify-content:center;
  font-family: var(--font-display); font-weight:800; font-size:30px;
  color: rgba(255,255,255,.9);
  letter-spacing:1px;
}
.project-body{ padding:22px; display:flex; flex-direction:column; gap:12px; flex:1; }
.project-head{ display:flex; align-items:center; justify-content:space-between; gap:10px; }
.project-name{ font-family: var(--font-display); font-weight:700; font-size:16px; color:#fff; }
.project-badge{
  font-size:10.5px; font-weight:700; letter-spacing:.4px;
  color: var(--navy);
  background: var(--amber);
  padding:4px 9px; border-radius:20px;
  white-space:nowrap;
}
.project-desc{ color: var(--text-on-dark-dim); font-size:14px; flex:1; }
.project-tags{ display:flex; flex-wrap:wrap; gap:7px; }
.project-tag{
  font-size:11.5px; font-weight:600;
  padding:5px 10px; border-radius:6px;
  background: rgba(255,255,255,.06);
  color: var(--teal);
}

/* ===================== CTA banner ===================== */
.cta-banner{
  background: linear-gradient(120deg, var(--amber), var(--teal));
  color: var(--navy);
  text-align:center;
  padding: 72px 24px;
}
.cta-banner h2{ font-size: clamp(24px,3.4vw,34px); font-weight:800; max-width:760px; margin:0 auto 14px; }
.cta-banner p{ max-width:560px; margin:0 auto 28px; opacity:.85; }
.cta-banner .btn{ background: var(--navy); color:#fff; }
.cta-banner .btn:hover{ filter:brightness(1.2); }

/* ===================== Contact ===================== */
.contact-grid{
  display:grid;
  grid-template-columns: .85fr 1.15fr;
  gap:48px;
}
.contact-lead{ color: var(--text-on-dark-dim); font-size:16px; margin-bottom:28px; max-width:44ch; }
.contact-list{ display:flex; flex-direction:column; gap:16px; margin-bottom:28px; }
.contact-list li{ display:flex; align-items:center; gap:12px; font-size:15px; }
.contact-ico{
  width:34px; height:34px; border-radius:9px;
  background: rgba(255,255,255,.06);
  display:flex; align-items:center; justify-content:center;
  color: var(--amber);
  flex:none;
}
.contact-list a:hover{ color: var(--amber); }
.social-row{ display:flex; gap:12px; }
.social-row a{
  width:38px; height:38px; border-radius:10px;
  background: rgba(255,255,255,.06);
  display:flex; align-items:center; justify-content:center;
  color: var(--text-on-dark-dim);
  transition: color .15s, background .15s;
}
.social-row a:hover{ color: var(--navy); background: var(--amber); }

.contact-form{
  background: var(--navy-2);
  border: 1px solid var(--line-dark);
  border-radius: var(--radius);
  padding: 28px;
  display:flex; flex-direction:column; gap:14px;
}
.form-row{ display:grid; grid-template-columns:1fr 1fr; gap:14px; }
.contact-form input, .contact-form textarea{
  width:100%;
  background: rgba(255,255,255,.05);
  border: 1px solid var(--line-dark);
  border-radius:8px;
  padding:13px 14px;
  color:#fff;
  font-family: var(--font-body);
  font-size:14.5px;
  resize: vertical;
}
.contact-form input::placeholder, .contact-form textarea::placeholder{ color: var(--text-on-dark-dim); }
.contact-form input:focus, .contact-form textarea:focus{ border-color: var(--amber); outline:none; }
.contact-form .btn{ align-self:flex-start; }
.form-note{ font-size:12px; color: var(--text-on-dark-dim); margin:0; }

/* ===================== Footer ===================== */
.site-footer{ background: var(--navy); color: var(--text-on-dark-dim); padding: 56px 24px 24px; }
.footer-top{
  max-width: var(--container); margin:0 auto 40px;
  display:grid; grid-template-columns: 1.3fr 1fr 1fr; gap:32px;
}
.footer-brand a{ font-family: var(--font-display); font-weight:800; font-size:22px; color:#fff; }
.footer-brand a span{ color: var(--amber); }
.footer-brand p{ margin:10px 0 0; font-size:13.5px; }
.footer-col h4{ color:#fff; font-size:14px; margin-bottom:14px; }
.footer-col{ display:flex; flex-direction:column; gap:9px; font-size:13.5px; }
.footer-col a:hover{ color: var(--amber); }
.footer-bottom{
  max-width: var(--container); margin:0 auto;
  border-top: 1px solid rgba(255,255,255,.08);
  padding-top:20px;
  font-size:12.5px;
  text-align:center;
}

/* ===================== Responsive ===================== */
@media (max-width: 900px){
  .hero-inner{ grid-template-columns:1fr; }
  .hero-photo{ order:-1; margin-bottom:20px; }
  .about-stats{ grid-template-columns:repeat(2,1fr); }
  .contact-grid{ grid-template-columns:1fr; }
  .footer-top{ grid-template-columns:1fr 1fr; }
}
@media (max-width: 720px){
  .nav-links{
    position:fixed; top: var(--nav-h); left:0; right:0;
    flex-direction:column; align-items:flex-start; gap:0;
    background: var(--navy);
    border-top:1px solid rgba(255,255,255,.08);
    transform: translateY(-12px);
    opacity:0; pointer-events:none;
    transition: transform .2s ease, opacity .2s ease;
  }
  .nav-links.open{ transform:translateY(0); opacity:1; pointer-events:auto; }
  .nav-link{ padding:16px 24px; width:100%; border-bottom:1px solid rgba(255,255,255,.05); }
  .nav-cta{ margin:16px 24px; }
  .nav-toggle{ display:flex; }

  .tl-card{ grid-template-columns:1fr; gap:8px; }
  .form-row{ grid-template-columns:1fr; }
  .footer-top{ grid-template-columns:1fr; }
  .section{ padding:64px 20px; }
}