/* 
  Simple business-oriented one-page portfolio template.
  Customize: brand name, colors, projects, and contact details.
*/

:root{
  --bg: #0b1020;
  --panel: rgba(255,255,255,0.06);
  --panel-strong: rgba(255,255,255,0.10);
  --text: rgba(255,255,255,0.90);
  --muted: rgba(255,255,255,0.70);
  --muted-2: rgba(255,255,255,0.55);
  --border: rgba(255,255,255,0.12);
  --shadow: 0 18px 60px rgba(0,0,0,0.35);
  --radius: 18px;

  --accent: #6ee7ff;
  --accent-2: #a78bfa;

  --max: 1100px;
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin: 0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  color: var(--text);
  background: radial-gradient(1200px 700px at 20% 10%, rgba(110,231,255,0.18), transparent 60%),
              radial-gradient(900px 700px at 85% 35%, rgba(167,139,250,0.18), transparent 55%),
              var(--bg);
  line-height: 1.55;
}

a{ color: inherit; text-decoration: none; }
a:hover{ text-decoration: underline; }
img{ max-width: 100%; display: block; }

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

.skip-link{
  position: absolute;
  left: -999px;
  top: 12px;
  background: #fff;
  color: #111;
  padding: 10px 12px;
  border-radius: 12px;
  z-index: 9999;
}
.skip-link:focus{ left: 12px; }

/* Header + Nav */
.site-header{
  position: sticky;
  top: 0;
  z-index: 1000;
  backdrop-filter: blur(14px);
  background: rgba(11,16,32,0.62);
  border-bottom: 1px solid var(--border);
}
.header-inner{
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
  gap: 14px;
}
.brand{
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  letter-spacing: 0.2px;
}
.brand-mark{
  width: 34px;
  height: 34px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(110,231,255,0.9), rgba(167,139,250,0.9));
  color: #07101a;
  box-shadow: 0 10px 30px rgba(0,0,0,0.25);
}
.brand-text{ font-size: 15px; }

.nav{
  display: flex;
  align-items: center;
  gap: 10px;
}
.nav-link{
  font-size: 14px;
  padding: 10px 12px;
  border-radius: 12px;
  color: var(--muted);
  border: 1px solid transparent;
  transition: transform 120ms ease, background 120ms ease, color 120ms ease, border-color 120ms ease;
}
.nav-link:hover{
  text-decoration: none;
  background: rgba(255,255,255,0.06);
  border-color: rgba(255,255,255,0.10);
  color: var(--text);
  transform: translateY(-1px);
}
.nav-link--cta{
  color: #07101a;
  background: linear-gradient(135deg, rgba(110,231,255,0.95), rgba(167,139,250,0.95));
  border-color: transparent;
}
.nav-link--cta:hover{
  color: #07101a;
  background: linear-gradient(135deg, rgba(110,231,255,0.85), rgba(167,139,250,0.85));
}
.nav-toggle{
  display: none;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: rgba(255,255,255,0.04);
  padding: 10px 12px;
  cursor: pointer;
}
.nav-toggle-bar{
  display: block;
  width: 20px;
  height: 2px;
  background: rgba(255,255,255,0.85);
  margin: 4px 0;
  border-radius: 99px;
}
.sr-only{
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0,0,0,0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

/* Hero */
.hero{
  padding: 68px 0 24px;
}
.hero-inner{
  display: grid;
  grid-template-columns: 1.3fr 0.9fr;
  gap: 22px;
  align-items: stretch;
}
.eyebrow{
  margin: 0 0 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-size: 12px;
  color: var(--muted);
}
.hero h1{
  margin: 0 0 10px;
  font-size: clamp(32px, 4vw, 46px);
  line-height: 1.08;
  letter-spacing: -0.02em;
}
.lead{
  margin: 0 0 18px;
  color: var(--muted);
  font-size: 16px;
  max-width: 60ch;
}
.hero-actions{
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 22px;
}
.hero-metrics{
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}
.metric{
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px;
}
.metric-value{
  margin: 0;
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.02em;
}
.metric-label{
  margin: 6px 0 0;
  color: var(--muted-2);
  font-size: 13px;
}

.hero-card{
  display: flex;
  align-items: stretch;
}
.card{
  background: linear-gradient(180deg, rgba(255,255,255,0.06), rgba(255,255,255,0.03));
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: calc(var(--radius) + 4px);
  padding: 18px;
  box-shadow: var(--shadow);
}
.card-top{
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(255,255,255,0.10);
  margin-bottom: 12px;
}
.card-kicker{
  margin: 0 0 6px;
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted-2);
}
.card-title{
  margin: 0 0 6px;
  font-size: 18px;
  font-weight: 700;
}
.card-subtitle{
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}
.card-list{
  margin: 0 0 14px;
  padding-left: 18px;
  color: var(--muted);
}
.card-list li{ margin: 8px 0; }
.card-footnote{
  margin: 10px 0 0;
  color: var(--muted-2);
  font-size: 12px;
}

/* Sections */
.section{
  padding: 56px 0;
}
.section--alt{
  background: rgba(255,255,255,0.02);
  border-top: 1px solid rgba(255,255,255,0.06);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.section-head{
  margin-bottom: 20px;
}
.section-head h2{
  font-size: 26px;
  letter-spacing: -0.01em;
}
.section-subtitle{
  margin: 0;
  color: var(--muted);
  max-width: 70ch;
}

/* Grid helpers */
.grid{
  display: grid;
  gap: 14px;
}
.grid--2{ grid-template-columns: repeat(2, minmax(0,1fr)); }
.grid--3{ grid-template-columns: repeat(3, minmax(0,1fr)); }

/* Panels */
.panel{
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) + 2px);
  padding: 18px;
}
.panel--accent{
  background: radial-gradient(700px 240px at 0% 0%, rgba(110,231,255,0.18), transparent 55%),
              rgba(255,255,255,0.04);
}
.panel--form{
  background: rgba(255,255,255,0.04);
}
.panel h3{
  margin: 0 0 10px;
  font-size: 18px;
}
.muted{ color: var(--muted); }

/* Chips */
.chips{ display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.chip{
  font-size: 12px;
  color: rgba(255,255,255,0.86);
  border: 1px solid rgba(255,255,255,0.12);
  background: rgba(255,255,255,0.04);
  padding: 8px 10px;
  border-radius: 999px;
}

/* Steps */
.steps{
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
}
.steps li{ margin: 12px 0; }
.step-title{ display: block; font-weight: 600; color: rgba(255,255,255,0.92); }
.step-text{ display: block; font-size: 13px; color: var(--muted-2); margin-top: 4px; }

/* Projects */
.project{ position: relative; }
.project-badge{
  display: inline-block;
  font-size: 12px;
  color: rgba(255,255,255,0.86);
  border: 1px solid rgba(255,255,255,0.12);
  background: rgba(255,255,255,0.04);
  border-radius: 999px;
  padding: 6px 10px;
  margin-bottom: 10px;
}
.project-title{ margin: 0 0 8px; font-size: 18px; }
.project-desc{ margin: 0 0 12px; color: var(--muted); }
.project-points{
  margin: 0;
  padding-left: 18px;
  color: var(--muted-2);
  font-size: 13px;
}
.project-points li{ margin: 8px 0; }

/* Callout */
.callout{
  margin-top: 16px;
  padding: 18px;
  border-radius: calc(var(--radius) + 2px);
  border: 1px solid rgba(255,255,255,0.12);
  background: radial-gradient(700px 240px at 10% 0%, rgba(167,139,250,0.18), transparent 55%),
              rgba(255,255,255,0.04);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.callout h3{ margin: 0 0 6px; }
.callout p{ margin: 0; color: var(--muted); }

/* Timeline */
.timeline{
  position: relative;
  margin-top: 14px;
  padding-left: 18px;
}
.timeline::before{
  content: "";
  position: absolute;
  left: 7px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: rgba(255,255,255,0.12);
  border-radius: 99px;
}
.timeline-item{
  position: relative;
  padding: 14px 0 14px 18px;
}
.timeline-dot{
  position: absolute;
  left: -2px;
  top: 22px;
  width: 18px;
  height: 18px;
  border-radius: 999px;
  background: linear-gradient(135deg, rgba(110,231,255,0.9), rgba(167,139,250,0.9));
  box-shadow: 0 10px 30px rgba(0,0,0,0.25);
  border: 3px solid rgba(11,16,32,0.85);
}
.timeline-content{
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) + 2px);
  padding: 16px;
}
.timeline-content h3{ margin: 0 0 6px; font-size: 16px; }
.timeline-content p{ margin: 0; color: var(--muted); }

/* Contact */
.contact-cards{
  display: grid;
  gap: 10px;
  margin-top: 14px;
}
.contact-card{
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.10);
  border-radius: var(--radius);
  padding: 14px;
}
.contact-label{
  margin: 0 0 6px;
  color: var(--muted-2);
  font-size: 12px;
  letter-spacing: 0.10em;
  text-transform: uppercase;
}
.contact-value{
  margin: 0;
  font-weight: 600;
}

/* Form */
.form{ display: grid; gap: 12px; }
.field{ display: grid; gap: 6px; }
label{ font-size: 13px; color: var(--muted); }
input, textarea{
  font: inherit;
  color: var(--text);
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 14px;
  padding: 12px 12px;
  outline: none;
}
input:focus, textarea:focus{
  border-color: rgba(110,231,255,0.55);
  box-shadow: 0 0 0 4px rgba(110,231,255,0.10);
}
textarea{ resize: vertical; min-height: 120px; }
.form-note{
  margin: 0;
  color: var(--muted-2);
  font-size: 13px;
  min-height: 1.2em;
}

/* Buttons */
.button{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 14px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,0.12);
  background: rgba(255,255,255,0.04);
  color: var(--text);
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  transition: transform 120ms ease, background 120ms ease, border-color 120ms ease;
}
.button:hover{
  text-decoration: none;
  transform: translateY(-1px);
  background: rgba(255,255,255,0.06);
  border-color: rgba(255,255,255,0.18);
}
.button--ghost{
  background: transparent;
}
.button--full{
  width: 100%;
  background: linear-gradient(135deg, rgba(110,231,255,0.92), rgba(167,139,250,0.92));
  color: #07101a;
  border-color: transparent;
}
.button--full:hover{
  background: linear-gradient(135deg, rgba(110,231,255,0.84), rgba(167,139,250,0.84));
}

/* Footer */
.footer{
  padding: 22px 0 34px;
}
.footer-inner{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  color: var(--muted-2);
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 18px;
  font-size: 13px;
}
.footer-links{ display: inline-flex; gap: 12px; }

/* Responsive */
@media (max-width: 900px){
  .hero-inner{ grid-template-columns: 1fr; }
}

@media (max-width: 740px){
  .grid--2{ grid-template-columns: 1fr; }
  .grid--3{ grid-template-columns: 1fr; }
  .hero{ padding-top: 54px; }
  .hero-metrics{ grid-template-columns: 1fr; }
  .callout{
    flex-direction: column;
    align-items: flex-start;
  }

  .nav-toggle{ display: inline-flex; }
  .nav{
    position: absolute;
    right: 20px;
    top: 62px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 6px;
    padding: 10px;
    background: rgba(11,16,32,0.92);
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: 16px;
    box-shadow: var(--shadow);
    width: min(250px, calc(100vw - 40px));
  }
  .nav.is-open{ display: flex; }
  .nav-link{ width: 100%; }
}


/* Active nav link (enhanced with JS) */
.nav-link.is-active{
  color: var(--text);
  background: rgba(255,255,255,0.06);
  border-color: rgba(255,255,255,0.16);
  text-decoration: none;
}