/* =====================================================
   KAVITHA K — PORTFOLIO
   Theme: Baby pink & white, editorial-meets-QA-console
   ===================================================== */

:root{
  /* --- Color tokens --- */
  --white:        #ffffff;
  --pink-soft:     #fdf1f6;   /* section tint */
  --pink-surface:  #fbe6ef;   /* cards */
  --pink-primary:  #f3a8c9;   /* mid accent */
  --pink-deep:     #d95d8f;   /* buttons / strong accent */
  --pink-line:     #f3d3e2;   /* hairlines */
  --ink:           #2c2230;   /* near-black warm plum, primary text */
  --ink-muted:     #8a7787;   /* secondary text */
  --console-bg:    #241a24;   /* terminal background, deep plum-black */
  --console-line:  #3a2c39;
  --console-green: #8fe3b0;
  --console-pink:  #f5a9c8;

  /* --- Type --- */
  --font-display: "Fraunces", serif;
  --font-body: "Plus Jakarta Sans", sans-serif;
  --font-mono: "JetBrains Mono", monospace;

  --container: 1120px;
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }

body{
  margin:0;
  background: var(--white);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
ul{ margin:0; padding:0; list-style:none; }
h1,h2,h3{ margin:0; font-family: var(--font-display); }

@media (prefers-reduced-motion: reduce){
  *{ animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; scroll-behavior:auto !important; }
}

/* subtle paper grain for warmth */
.grain{
  position: fixed; inset:0; pointer-events:none; z-index: 999;
  opacity: 0.035; mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* =============== NAV =============== */
.nav{
  position: sticky; top:0; z-index: 100;
  display:flex; align-items:center; justify-content:space-between;
  padding: 18px clamp(20px, 5vw, 64px);
  background: rgba(255,255,255,0.78);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--pink-line);
}
.nav-mark{
  font-family: var(--font-display);
  font-weight: 650; font-size: 1.3rem; letter-spacing: 0.01em;
}
.nav-mark .dot{ color: var(--pink-deep); }

.nav-links{ display:flex; align-items:center; gap: 32px; }
.nav-links a{
  font-size: 0.92rem; font-weight: 500; color: var(--ink-muted);
  position: relative; padding: 4px 0;
  transition: color 0.2s ease;
}
.nav-links a:hover{ color: var(--ink); }
.nav-links a::after{
  content:""; position:absolute; left:0; right:100%; bottom:-2px; height:1.5px;
  background: var(--pink-deep); transition: right 0.25s ease;
}
.nav-links a:hover::after{ right:0; }

.nav-cta{
  background: var(--ink);
  color: var(--white) !important;
  padding: 9px 18px !important;
  border-radius: 100px;
  font-weight: 600 !important;
}
.nav-cta::after{ display:none; }
.nav-cta:hover{ background: var(--pink-deep); }

.nav-toggle{
  display:none; flex-direction:column; gap:5px;
  background:none; border:none; cursor:pointer; padding:6px;
}
.nav-toggle span{ width: 22px; height:2px; background: var(--ink); border-radius:2px; }

/* =============== HERO =============== */
.hero{
  position: relative;
  padding: clamp(48px, 8vw, 96px) clamp(20px, 5vw, 64px) 60px;
  overflow: hidden;
}
.hero-grid{
  position:absolute; inset:0; z-index:0;
  background-image: radial-gradient(var(--pink-primary) 1px, transparent 1px);
  background-size: 26px 26px;
  opacity: 0.25;
  mask-image: radial-gradient(circle at 78% 30%, black, transparent 65%);
  -webkit-mask-image: radial-gradient(circle at 78% 30%, black, transparent 65%);
}

.hero-inner{
  position: relative; z-index:1;
  max-width: var(--container); margin: 0 auto;
  display: grid; grid-template-columns: 1.15fr 1fr; gap: 56px;
  align-items: center;
}

.eyebrow{
  font-family: var(--font-mono);
  font-size: 0.78rem; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--pink-deep); font-weight: 600; margin: 0 0 18px;
}

.hero-title{
  font-size: clamp(3rem, 6.5vw, 4.6rem);
  font-weight: 560; line-height: 0.98; letter-spacing: -0.01em;
  margin-bottom: 20px;
}
.ink-dot{ color: var(--pink-deep); }

.hero-sub{
  font-size: 1.1rem; color: var(--ink-muted); max-width: 46ch;
  margin: 0 0 34px;
}

.hero-actions{ display:flex; gap: 14px; flex-wrap: wrap; margin-bottom: 46px; }

.btn{
  display:inline-flex; align-items:center; gap:8px;
  padding: 13px 26px; border-radius: 100px;
  font-weight: 600; font-size: 0.95rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
  border: 1px solid transparent;
}
.btn-primary{
  background: var(--ink); color: var(--white);
}
.btn-primary:hover{ background: var(--pink-deep); transform: translateY(-2px); box-shadow: 0 10px 24px rgba(217,93,143,0.28); }
.btn-ghost{
  background: transparent; border-color: var(--ink);
  color: var(--ink);
}
.btn-ghost:hover{ border-color: var(--pink-deep); color: var(--pink-deep); transform: translateY(-2px); }

.hero-meta{ display:flex; align-items:center; gap: 22px; }
.meta-item{ display:flex; flex-direction:column; }
.meta-num{ font-family: var(--font-display); font-size: 1.6rem; font-weight: 600; color: var(--pink-deep); }
.meta-label{ font-size: 0.78rem; color: var(--ink-muted); line-height: 1.25; margin-top: 2px; }
.meta-divider{ width:1px; height: 34px; background: var(--pink-line); }

/* --- Signature console --- */
.hero-console{ position: relative; }
.console{
  background: var(--console-bg);
  border-radius: 18px;
  overflow: hidden;
  box-shadow: 0 30px 60px -20px rgba(44,34,48,0.35), 0 0 0 1px rgba(255,255,255,0.04);
  transform: rotate(1.2deg);
}
.console-bar{
  display:flex; align-items:center; gap:8px;
  padding: 13px 16px;
  background: rgba(255,255,255,0.04);
  border-bottom: 1px solid var(--console-line);
}
.console-dot{ width:10px; height:10px; border-radius:50%; }
.d1{ background:#f28ba0; } .d2{ background:#f3c98b; } .d3{ background:#9bd8ac; }
.console-title{
  margin-left: 8px; font-family: var(--font-mono); font-size: 0.75rem;
  color: #b5a5b4;
}
.console-body{
  padding: 20px 18px 26px;
  font-family: var(--font-mono); font-size: 0.86rem;
  min-height: 300px;
}
.console-line{
  color: #d9cdd8; margin-bottom: 9px; opacity:0; transform: translateY(4px);
  animation: consoleIn 0.35s ease forwards;
}
.console-line.prompt{ color: var(--console-pink); }
.console-line.pass{ color: var(--console-green); }
.console-line .muted{ color:#7c6c7a; }
.cursor{
  display:inline-block; width:7px; height:14px; background: var(--console-pink);
  vertical-align: middle; margin-left: 2px;
  animation: blink 1s steps(1) infinite;
}
@keyframes consoleIn{ to{ opacity:1; transform: translateY(0); } }
@keyframes blink{ 50%{ opacity:0; } }

.console-caption{
  text-align:center; margin-top: 16px; font-size: 0.82rem; color: var(--ink-muted);
  cursor: pointer; user-select: none;
}
.console-caption:hover{ color: var(--pink-deep); }

/* =============== SECTIONS =============== */
.section{ padding: 90px clamp(20px, 5vw, 64px); }
.section-tint{ background: var(--pink-soft); }
.section-inner{ max-width: var(--container); margin:0 auto; }

.section-eyebrow{
  font-family: var(--font-mono); font-size: 0.78rem; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--pink-deep); font-weight:600;
  margin: 0 0 16px;
}
.section-title{
  font-size: clamp(1.8rem, 3.4vw, 2.5rem); font-weight: 500; line-height:1.15;
  max-width: 18ch; margin-bottom: 46px;
}

/* --- About --- */
.about-grid{ display:grid; grid-template-columns: 1.4fr 1fr; gap: 48px; align-items:start; }
.about-text{ font-size: 1.15rem; color: var(--ink); max-width: 62ch; }
.about-cards{ display:flex; flex-direction:column; gap: 14px; }
.info-card{
  background: var(--pink-surface); border-radius: 14px; padding: 16px 20px;
  display:flex; flex-direction:column; gap: 4px;
}
.info-card-label{ font-family: var(--font-mono); font-size: 0.72rem; color: var(--pink-deep); text-transform:uppercase; letter-spacing:0.06em; }
.info-card-value{ font-weight: 600; }

/* --- Skills --- */
.skills-grid{
  display:grid; grid-template-columns: repeat(5, 1fr); gap: 28px;
}
.skill-col h3{
  font-family: var(--font-body); font-size: 0.9rem; font-weight: 700;
  color: var(--ink); margin-bottom: 14px; padding-bottom: 10px;
  border-bottom: 1px solid var(--pink-line);
}
.pill-list{ display:flex; flex-direction:column; gap: 8px; }
.pill{
  background: var(--white); border: 1px solid var(--pink-line);
  padding: 8px 12px; border-radius: 10px; font-size: 0.86rem;
  transition: border-color 0.2s ease, transform 0.2s ease, background 0.2s ease;
}
.pill:hover{ border-color: var(--pink-deep); background: var(--pink-surface); transform: translateX(3px); }

/* --- Projects --- */
.project-list{ display:flex; flex-direction:column; gap: 32px; }
.project-card{
  background: var(--pink-surface);
  border-radius: 22px; padding: clamp(28px, 4vw, 46px);
}
.project-head h3{
  font-size: clamp(1.2rem, 2.4vw, 1.5rem); font-weight: 560; line-height:1.3;
  max-width: 34ch; margin-bottom: 18px;
}
.project-tags{ display:flex; flex-wrap:wrap; gap: 8px; margin-bottom: 30px; }
.tag{
  font-family: var(--font-mono); font-size: 0.74rem; padding: 6px 12px;
  border-radius: 100px; background: var(--white); color: var(--pink-deep);
  border: 1px solid var(--pink-line);
}
.project-body{ display:grid; grid-template-columns: 1fr 1.6fr; gap: 36px; }
.project-label{
  font-family: var(--font-mono); font-size: 0.75rem; text-transform:uppercase;
  letter-spacing:0.06em; color: var(--ink-muted); display:block; margin-bottom: 8px;
}
.project-block p{ margin:0; }
.project-block ul{ display:flex; flex-direction:column; gap: 10px; }
.project-block li{ position:relative; padding-left: 18px; }
.project-block li::before{
  content:""; position:absolute; left:0; top: 9px; width:6px; height:6px;
  border-radius:50%; background: var(--pink-deep);
}

/* --- Education timeline --- */
.timeline{ position:relative; padding-left: 28px; margin-bottom: 64px; }
.timeline::before{
  content:""; position:absolute; left:5px; top:6px; bottom:6px; width:1.5px;
  background: var(--pink-line);
}
.timeline-item{ position:relative; padding-bottom: 40px; }
.timeline-item:last-child{ padding-bottom:0; }
.timeline-dot{
  position:absolute; left: -28px; top: 4px; width:11px; height:11px;
  border-radius:50%; background: var(--pink-deep); border: 3px solid var(--pink-soft);
}
.timeline-date{
  font-family: var(--font-mono); font-size: 0.76rem; color: var(--pink-deep);
  text-transform:uppercase; letter-spacing:0.05em;
}
.timeline-content h3{ font-size: 1.15rem; font-weight: 560; margin: 6px 0 4px; max-width: 52ch; }
.timeline-org{ color: var(--ink-muted); margin: 0 0 10px; font-size: 0.94rem; }
.timeline-content ul{ display:flex; flex-direction:column; gap:6px; max-width: 60ch; }
.timeline-content li{ position:relative; padding-left:16px; font-size:0.94rem; color: var(--ink); }
.timeline-content li::before{
  content:""; position:absolute; left:0; top:8px; width:5px; height:5px;
  border-radius:50%; background: var(--pink-primary);
}
.timeline-score{
  display:inline-block; margin-top:4px; font-family: var(--font-mono);
  font-size: 0.8rem; background: var(--white); border:1px solid var(--pink-line);
  padding: 4px 10px; border-radius: 100px; color: var(--pink-deep);
}

/* --- Languages --- */
.languages-title{ font-size: 1.1rem; font-weight:600; margin-bottom: 18px; }
.lang-row{ display:grid; grid-template-columns: 90px 1fr 160px; align-items:center; gap: 18px; margin-bottom: 14px; }
.lang-name{ font-weight:600; font-size:0.92rem; }
.lang-bar{ height:6px; background: var(--pink-line); border-radius:100px; overflow:hidden; }
.lang-bar span{
  display:block; height:100%; width:0; background: var(--pink-deep);
  border-radius:100px; animation: fillBar 1.1s ease forwards; animation-delay: 0.3s;
}
.lang-bar span{ --w: 90%; }
@keyframes fillBar{ to{ width: var(--w); } }
.lang-level{ font-size:0.82rem; color: var(--ink-muted); text-align:right; }

/* --- Contact --- */
.contact{ text-align:center; }
.contact-inner{ display:flex; flex-direction:column; align-items:center; }
.contact-title{ font-size: clamp(2rem, 4.5vw, 3rem); font-weight:540; max-width: 16ch; margin-bottom: 14px; }
.contact-sub{ color: var(--ink-muted); font-size: 1.05rem; margin-bottom: 36px; }
.contact-actions{ display:flex; gap:14px; flex-wrap:wrap; justify-content:center; }

/* --- Footer --- */
.footer{
  display:flex; justify-content:space-between; flex-wrap:wrap; gap:8px;
  padding: 28px clamp(20px, 5vw, 64px) 36px;
  font-size: 0.82rem; color: var(--ink-muted);
  border-top: 1px solid var(--pink-line);
}

/* =============== REVEAL ON SCROLL =============== */
.reveal{
  opacity:0; transform: translateY(18px);
  transition: opacity 0.7s ease, transform 0.7s ease;
  transition-delay: var(--delay, 0ms);
}
.reveal.is-visible{ opacity:1; transform: translateY(0); }

/* focus visibility */
a:focus-visible, button:focus-visible{
  outline: 2px solid var(--pink-deep); outline-offset: 3px;
}

/* =============== RESPONSIVE =============== */
@media (max-width: 980px){
  .hero-inner{ grid-template-columns: 1fr; }
  .about-grid{ grid-template-columns: 1fr; }
  .skills-grid{ grid-template-columns: repeat(2, 1fr); }
  .project-body{ grid-template-columns: 1fr; }
  .console{ transform: none; }
}

@media (max-width: 680px){
  .nav-links{
    position:absolute; top: 100%; left:0; right:0;
    background: var(--white); flex-direction:column; align-items:flex-start;
    padding: 20px; gap: 16px; border-bottom: 1px solid var(--pink-line);
    display:none;
  }
  .nav-links.open{ display:flex; }
  .nav-toggle{ display:flex; }
  .nav-cta{ align-self:flex-start; }
  .hero-meta{ flex-wrap:wrap; row-gap: 16px; }
  .lang-row{ grid-template-columns: 70px 1fr; }
  .lang-level{ display:none; }
}