/* ============================================================
   style.css — Sachin Portfolio
   Dark terminal aesthetic / techy developer coded feel
   ============================================================ */

/* ---- RESET & ROOT ---- */

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

:root {
  --bg:          #0d0f13;
  --bg2:         #111418;
  --bg3:         #161b22;
  --border:      #21262f;
  --border2:     #2d3440;
  --text:        #cdd6e0;
  --text-dim:    #6b7889;
  --text-muted:  #3d4a58;
  --accent:      #39d98a;
  --accent-dim:  rgba(57, 217, 138, 0.12);
  --accent2:     #58a6ff;
  --accent2-dim: rgba(88, 166, 255, 0.1);
  --warn:        #f0883e;
  --red:         #ff5555;
  --yellow:      #f4c542;
  --green:       #39d98a;

  --font-mono:    'JetBrains Mono', 'Fira Code', monospace;
  --font-display: 'Bebas Neue', sans-serif;
  --font-body:    'DM Sans', sans-serif;

  --max-w: 1140px;
  --nav-h: 60px;
}

html { scroll-behavior: smooth; font-size: 16px; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  cursor: auto;
}

a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* ---- SCANLINES OVERLAY ---- */

.scanlines {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: repeating-linear-gradient(
    to bottom,
    transparent 0px,
    transparent 3px,
    rgba(0, 0, 0, 0.08) 3px,
    rgba(0, 0, 0, 0.08) 4px
  );
  opacity: 0.35;
}



/* ---- CONTAINER ---- */

.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 2.5rem;
}

/* ---- SCROLL REVEAL ---- */

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   NAV
   ============================================================ */

#nav {
  position: fixed;
  inset: 0 0 auto 0;
  height: var(--nav-h);
  z-index: 500;
  background: rgba(13, 15, 19, 0.88);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 2.5rem;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--accent);
  letter-spacing: 0.05em;
}

.logo-bracket { color: var(--text-dim); }

.nav-links {
  display: flex;
  gap: 2.5rem;
  align-items: center;
}

.nav-links a {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-dim);
  letter-spacing: 0.04em;
  transition: color 0.2s;
}

.nav-links a:hover { color: var(--accent); }

.link-num {
  color: var(--accent);
  margin-right: 0.2rem;
  font-size: 0.65rem;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;

}

.hamburger span {
  display: block;
  width: 20px;
  height: 1px;
  background: var(--text-dim);
  transition: all 0.3s;
}

.hamburger.open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* ---- MOBILE NAV ---- */

.mobile-nav {
  display: none;
  position: fixed;
  top: var(--nav-h);
  inset: var(--nav-h) 0 auto 0;
  z-index: 499;
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
  flex-direction: column;
  gap: 0;
}

.mobile-nav.open { display: flex; }

.mobile-nav a {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--text-dim);
  padding: 1rem 2rem;
  border-bottom: 1px solid var(--border);
  transition: color 0.2s, background 0.2s;
}

.mobile-nav a span { color: var(--accent); margin-right: 0.5rem; }
.mobile-nav a:hover { color: var(--text); background: var(--bg3); }

/* ============================================================
   HERO
   ============================================================ */

.hero {
  min-height: 100vh;
  padding-top: var(--nav-h);
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--border);
}

.hero-bg-text {
  position: absolute;
  right: -0.05em;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-display);
  font-size: clamp(10rem, 25vw, 22rem);
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px var(--border);
  pointer-events: none;
  user-select: none;
  letter-spacing: -0.02em;
  z-index: 0;
}

.hero-inner {
  position: relative;
  z-index: 1;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 4rem 2.5rem;
  display: grid;
  grid-template-columns: 440px 1fr;
  gap: 5rem;
  align-items: center;
  width: 100%;
}

/* TERMINAL WINDOW */

.terminal-window {
  background: var(--bg2);
  border: 1px solid var(--border2);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 0 60px rgba(57, 217, 138, 0.06), 0 20px 60px rgba(0,0,0,0.5);
}

.terminal-bar {
  background: var(--bg3);
  border-bottom: 1px solid var(--border);
  padding: 0.7rem 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.t-dot { width: 11px; height: 11px; border-radius: 50%; flex-shrink: 0; }
.t-dot.r { background: var(--red); }
.t-dot.y { background: var(--yellow); }
.t-dot.g { background: var(--green); }

.t-title {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-dim);
  margin-left: 0.5rem;
  letter-spacing: 0.04em;
}

.terminal-body {
  padding: 1.25rem 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  line-height: 2;
}

.t-line { display: flex; gap: 0.6rem; color: var(--text); }
.t-prompt { color: var(--accent); user-select: none; }
.t-output { color: var(--text-dim); padding: 0 0 0.5rem 1.4rem; line-height: 1.7; }
.t-output.available { color: var(--accent); }

.blink-cursor {
  color: var(--accent);
  animation: blink 1s step-end infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

/* HERO RIGHT */

.hero-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-dim);
  letter-spacing: 0.08em;
  margin-bottom: 1rem;
}

.hero-name {
  font-family: var(--font-display);
  font-size: clamp(4.5rem, 9vw, 8rem);
  line-height: 0.95;
  letter-spacing: 0.01em;
  color: var(--text);
  margin-bottom: 1.25rem;
}

.hero-tagline {
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--text-dim);
  line-height: 2;
  margin-bottom: 2.5rem;
  border-left: 2px solid var(--accent);
  padding-left: 1rem;
}

.hero-ctas {
  display: flex;
  gap: 1rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}

.cta-primary {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  background: var(--accent);
  color: var(--bg);
  padding: 0.75rem 1.6rem;
  border-radius: 3px;
  font-weight: 600;
  letter-spacing: 0.04em;
  transition: opacity 0.2s, box-shadow 0.2s;
  box-shadow: 0 0 24px rgba(57,217,138,0.25);
}

.cta-primary:hover {
  opacity: 0.88;
  box-shadow: 0 0 40px rgba(57,217,138,0.4);
}

.cta-ghost {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-dim);
  padding: 0.75rem 1.6rem;
  border: 1px solid var(--border2);
  border-radius: 3px;
  letter-spacing: 0.04em;
  transition: border-color 0.2s, color 0.2s;
}

.cta-ghost:hover { border-color: var(--accent); color: var(--accent); }

.hero-meta { display: flex; align-items: center; gap: 1.5rem; }
.meta-item { display: flex; flex-direction: column; gap: 0.1rem; }

.meta-num {
  font-family: var(--font-display);
  font-size: 2rem;
  line-height: 1;
  color: var(--accent);
  letter-spacing: 0.04em;
}

.meta-label {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  color: var(--text-muted);
  letter-spacing: 0.06em;
}

.meta-divider { width: 1px; height: 36px; background: var(--border2); }

/* ============================================================
   SHARED SECTION STYLES
   ============================================================ */

.section-label {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 2.5rem;
}

.sl-line { display: block; width: 28px; height: 1px; background: var(--accent); }

.sl-text {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--accent);
  letter-spacing: 0.1em;
}

.section-heading {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--text);
  margin-bottom: 3rem;
}

/* ============================================================
   ABOUT
   ============================================================ */

.about {
  padding: 7rem 0;
  border-bottom: 1px solid var(--border);
  background: var(--bg2);
}

.about-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: start;
}

.about-text .section-heading { margin-bottom: 1.5rem; }

.about-text p {
  font-size: 0.95rem;
  color: var(--text-dim);
  margin-bottom: 1rem;
  line-height: 1.85;
}

.about-text p:last-child { margin-bottom: 0; }

/* CODE BLOCK */

.code-block {
  background: var(--bg);
  border: 1px solid var(--border2);
  border-radius: 6px;
  overflow: hidden;
  font-family: var(--font-mono);
  font-size: 0.82rem;
}

.code-header {
  background: var(--bg3);
  border-bottom: 1px solid var(--border);
  padding: 0.6rem 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.code-filename { font-size: 0.68rem; color: var(--text-dim); letter-spacing: 0.04em; }

.code-body { padding: 1.25rem 1.5rem; line-height: 2.1; }

.code-line { display: flex; gap: 0.3rem; flex-wrap: wrap; }
.code-line.indent { padding-left: 1.5rem; }

.c-kw     { color: #ff7b72; }
.c-var    { color: #79c0ff; }
.c-op     { color: var(--text-muted); }
.c-bracket{ color: #e6c07b; }
.c-key    { color: #7ee787; }
.c-str    { color: #a5d6ff; }
.c-bool   { color: #ff9e64; }
.c-fn     { color: #d2a8ff; }

/* ============================================================
   SKILLS
   ============================================================ */

.skills {
  padding: 7rem 0;
  border-bottom: 1px solid var(--border);
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5px;
  background: var(--border);
  border: 1.5px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
  margin-bottom: 4rem;
}

.skill-card {
  background: var(--bg2);
  padding: 2rem;
  transition: background 0.25s;
  position: relative;
}

.skill-card::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s;
}

.skill-card:hover { background: var(--bg3); }
.skill-card:hover::after { transform: scaleX(1); }

.skill-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.25rem;
}

.skill-idx {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-muted);
  letter-spacing: 0.1em;
}

.skill-badge {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.08em;
  padding: 0.2rem 0.5rem;
  border-radius: 2px;
  text-transform: lowercase;
}

.skill-badge.frontend  { background: rgba(88,166,255,0.1);  color: var(--accent2); border: 1px solid rgba(88,166,255,0.2); }
.skill-badge.backend   { background: rgba(57,217,138,0.1);  color: var(--accent);  border: 1px solid rgba(57,217,138,0.2); }
.skill-badge.fullstack { background: rgba(240,136,62,0.1);  color: var(--warn);    border: 1px solid rgba(240,136,62,0.2); }

.skill-card h3 {
  font-family: var(--font-display);
  font-size: 1.6rem;
  line-height: 1.05;
  letter-spacing: 0.02em;
  color: var(--text);
  margin-bottom: 0.75rem;
}

.skill-card p {
  font-size: 0.82rem;
  color: var(--text-dim);
  line-height: 1.75;
  margin-bottom: 1.5rem;
}

.stag-list { display: flex; flex-wrap: wrap; gap: 0.4rem; }

.stag-list li {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  color: var(--text-dim);
  border: 1px solid var(--border2);
  padding: 0.15rem 0.55rem;
  border-radius: 2px;
  letter-spacing: 0.06em;
}

/* MARQUEE */

.marquee-wrap { border-top: 1px solid var(--border); padding-top: 2rem; }

.marquee-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-muted);
  letter-spacing: 0.12em;
  margin-bottom: 1rem;
}

.marquee-track {
  overflow: hidden;
  width: 100%;
  mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
}

.marquee-inner {
  display: flex;
  gap: 1rem;
  align-items: center;
  width: max-content;
  animation: marqueeScroll 24s linear infinite;
}

.marquee-inner span {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-dim);
  white-space: nowrap;
  letter-spacing: 0.06em;
}

.marquee-inner .msep { color: var(--text-muted); }

@keyframes marqueeScroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ============================================================
   PROJECTS
   ============================================================ */

.projects {
  padding: 7rem 0;
  border-bottom: 1px solid var(--border);
  background: var(--bg2);
}

/* 2-column layout */
.projects-grid.two-col {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
}

.proj-card {
  background: var(--bg2);
  display: flex;
  flex-direction: column;
  transition: background 0.25s;
  cursor: pointer;
}

.proj-card:hover { background: var(--bg3); }

/* Thumbnail */
.proj-thumb {
  width: 100%;
  aspect-ratio: 16 / 7;
  overflow: hidden;
  background: var(--bg3);
  border-bottom: 1px solid var(--border);
  position: relative;
}

.proj-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease, opacity 0.3s ease;
  opacity: 0.85;
}

.proj-card:hover .proj-thumb img {
  transform: scale(1.03);
  opacity: 1;
}

/* Placeholder when image is missing */
.proj-thumb.no-img {
  display: flex;
  align-items: center;
  justify-content: center;
}

.proj-thumb.no-img::after {
  content: '[ img coming soon ]';
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-muted);
  letter-spacing: 0.1em;
}

.proj-thumb.no-img img { display: none; }

/* Card content */
.proj-content {
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  flex: 1;
}

.proj-header {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.proj-num {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--accent);
  letter-spacing: 0.1em;
}

.proj-badges { display: flex; flex-wrap: wrap; gap: 0.35rem; }

.proj-badges span {
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  border: 1px solid var(--border2);
  padding: 0.12rem 0.45rem;
  border-radius: 2px;
}

.proj-name {
  font-family: var(--font-display);
  font-size: 1.7rem;
  line-height: 1.05;
  letter-spacing: 0.02em;
  color: var(--text);
}

.proj-desc {
  font-size: 0.82rem;
  color: var(--text-dim);
  line-height: 1.8;
  flex: 1;
}

.proj-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
  margin-top: auto;
}

.proj-kind {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  color: var(--text-muted);
  letter-spacing: 0.08em;
}

.proj-arrow {
  font-size: 1.1rem;
  color: var(--text-muted);
  transition: color 0.2s, transform 0.2s;
}

.proj-card:hover .proj-arrow {
  color: var(--accent);
  transform: translate(2px, -2px);
}

/* ============================================================
   CONTACT
   ============================================================ */

.contact {
  padding: 7rem 0;
  border-bottom: 1px solid var(--border);
}

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6rem;
  align-items: start;
}

.contact-heading {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--text);
  margin-bottom: 1rem;
}

.contact-sub {
  font-size: 0.9rem;
  color: var(--text-dim);
  line-height: 1.8;
}

.contact-right {
  display: flex;
  flex-direction: column;
  gap: 0;
  border-top: 1px solid var(--border);
}

.contact-row {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--border);
  transition: background 0.2s;
}

.contact-row:hover .cr-val { color: var(--accent); }
.contact-row:hover .cr-arrow { color: var(--accent); transform: translate(2px,-2px); }

.cr-label {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  color: var(--text-muted);
  letter-spacing: 0.1em;
  width: 70px;
  flex-shrink: 0;
}

.cr-val {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-dim);
  flex: 1;
  transition: color 0.2s;
}

.cr-arrow {
  color: var(--text-muted);
  font-size: 1rem;
  transition: color 0.2s, transform 0.2s;
}

/* ============================================================
   FOOTER
   ============================================================ */

footer { padding: 1.5rem 0; border-top: 1px solid var(--border); }

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-left {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-muted);
  letter-spacing: 0.06em;
}

.footer-top {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-muted);
  letter-spacing: 0.06em;
  transition: color 0.2s;
}

.footer-top:hover { color: var(--accent); }

/* ============================================================
   RESPONSIVE
   ============================================================ */

@media (max-width: 960px) {
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 3rem;
    padding: 3rem 2.5rem 4rem;
  }

  .terminal-window { max-width: 480px; }

  .about-layout { grid-template-columns: 1fr; gap: 3rem; }

  .skills-grid { grid-template-columns: 1fr; gap: 1.5px; }

  .projects-grid.two-col { grid-template-columns: 1fr; }

  .contact-layout { grid-template-columns: 1fr; gap: 3rem; }

  .hero-bg-text { font-size: 14rem; opacity: 0.4; }
}

@media (max-width: 640px) {
  :root { --nav-h: 54px; }

  .nav-inner { padding: 0 1.5rem; }
  .nav-links { display: none; }
  .hamburger { display: flex; }

  .container { padding: 0 1.5rem; }

  .hero-inner { padding: 2.5rem 1.5rem 3rem; }
  .hero-bg-text { display: none; }

  .about, .skills, .projects, .contact { padding: 4.5rem 0; }

  .hero-ctas { flex-direction: column; }
  .cta-primary, .cta-ghost { text-align: center; }

  .hero-meta { gap: 1rem; }
  .meta-num { font-size: 1.5rem; }

  .footer-inner { flex-direction: column; gap: 0.5rem; text-align: center; }
}