/* Sam Choksi v2 — Premium Personal Brand */
@import url("https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap");

:root {
  --bg: #0d0d0d;
  --bg-elevated: #161616;
  --bg-card: #1a1a1a;
  --text: #f5f5f5;
  --text-muted: #999;
  --accent: #e8a838;
  --accent-hover: #f0b84d;
  --border: #2a2a2a;
  --radius: 8px;
  --max-w: 1200px;
  --transition: .3s ease;
}

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

html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

/* ── Typography ────────────────────────── */
h1, h2, h3, h4 { font-weight: 600; line-height: 1.2; letter-spacing: -0.02em; }
h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.4rem); margin-bottom: 1rem; }
h3 { font-size: 1.25rem; }
p { color: var(--text-muted); max-width: 680px; }
a { color: var(--accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent-hover); }

/* ── Layout ────────────────────────────── */
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 2rem; }
section { padding: 6rem 0; }
.section-label {
  font-size: .75rem; font-weight: 600; text-transform: uppercase;
  letter-spacing: .15em; color: var(--accent); margin-bottom: .75rem;
}

/* ── Navigation ────────────────────────── */
nav {
  position: fixed; top: 0; left: 0; width: 100%; z-index: 1000;
  background: rgba(13,13,13,.92); backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: var(--max-w); margin: 0 auto; padding: 0 2rem;
  display: flex; align-items: center; justify-content: space-between;
  height: 64px;
}
.nav-logo { font-weight: 700; font-size: 1.1rem; color: var(--text); letter-spacing: -0.02em; }
.nav-logo span { color: var(--accent); }
.nav-links { display: flex; gap: 1.75rem; list-style: none; }
.nav-links a {
  color: var(--text-muted); font-size: .85rem; font-weight: 400;
  transition: color var(--transition); position: relative;
}
.nav-links a:hover, .nav-links a.active { color: var(--text); }
.nav-links a.active::after {
  content: ""; position: absolute; bottom: -4px; left: 0; width: 100%;
  height: 2px; background: var(--accent); border-radius: 1px;
}

/* Hamburger */
.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; background: none; border: none; padding: 4px; }
.hamburger span { width: 22px; height: 2px; background: var(--text); transition: var(--transition); border-radius: 1px; }

/* ── Hero ──────────────────────────────── */
.hero {
  min-height: 100vh; display: flex; align-items: center;
  padding-top: 64px; position: relative; overflow: hidden;
}
.hero-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 4rem;
  align-items: center; width: 100%;
}
.hero-text h1 { margin-bottom: 1.25rem; }
.hero-text h1 span { color: var(--accent); }
.hero-text p { font-size: 1.15rem; margin-bottom: 2rem; }
.hero-image { position: relative; }
.hero-image img {
  width: 100%; max-width: 480px; border-radius: var(--radius);
  filter: grayscale(15%); transition: filter var(--transition);
}
.hero-image img:hover { filter: grayscale(0); }

/* ── Stats Bar ─────────────────────────── */
.stats-bar {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 2rem;
  padding: 3rem 0; border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border); margin: 3rem 0;
}
.stat-item { text-align: center; }
.stat-number { font-size: 2.2rem; font-weight: 700; color: var(--text); display: block; }
.stat-label { font-size: .8rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: .1em; }

/* ── Buttons ───────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: .5rem;
  padding: .875rem 2rem; font-size: .9rem; font-weight: 500;
  border-radius: var(--radius); transition: all var(--transition);
  cursor: pointer; border: none; font-family: inherit;
}
.btn-primary { background: var(--accent); color: var(--bg); }
.btn-primary:hover { background: var(--accent-hover); color: var(--bg); transform: translateY(-1px); }
.btn-outline {
  background: transparent; color: var(--text); border: 1px solid var(--border);
}
.btn-outline:hover { border-color: var(--accent); color: var(--accent); }
.btn-sm { padding: .6rem 1.25rem; font-size: .8rem; }

/* ── Cards ─────────────────────────────── */
.card-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); gap: 1.5rem; }
.card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 2rem;
  transition: all var(--transition);
}
.card:hover { border-color: var(--accent); transform: translateY(-2px); }
.card h3 { margin-bottom: .5rem; }
.card p { font-size: .9rem; }
.card-tag {
  display: inline-block; font-size: .7rem; font-weight: 500;
  text-transform: uppercase; letter-spacing: .1em;
  color: var(--accent); background: rgba(232,168,56,.1);
  padding: .25rem .75rem; border-radius: 100px; margin-bottom: 1rem;
}

/* ── Portfolio Grid ────────────────────── */
.portfolio-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); gap: 1.5rem; }
.portfolio-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 2.25rem;
  transition: all var(--transition); text-decoration: none;
  display: block;
}
.portfolio-card:hover { border-color: var(--accent); transform: translateY(-2px); }
.portfolio-card h3 { color: var(--text); margin-bottom: .25rem; }
.portfolio-card .url { font-size: .8rem; color: var(--accent); margin-bottom: .75rem; display: block; }
.portfolio-card p { font-size: .9rem; }

/* ── Stack Cards ───────────────────────── */
.stack-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); gap: 1.5rem; }
.stack-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 2.25rem;
  transition: all var(--transition); position: relative;
}
.stack-card:hover { border-color: var(--accent); }
.stack-card .stack-number {
  font-size: .7rem; font-weight: 600; color: var(--accent);
  text-transform: uppercase; letter-spacing: .15em; margin-bottom: .75rem;
}
.stack-card h3 { margin-bottom: .5rem; }

/* ── Testimonials ──────────────────────── */
.testimonial-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(360px, 1fr)); gap: 1.5rem; }
.testimonial-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 2rem;
  transition: border-color var(--transition);
}
.testimonial-card:hover { border-color: var(--accent); }
.testimonial-card blockquote {
  font-size: .9rem; color: var(--text-muted); line-height: 1.7;
  margin-bottom: 1.25rem; font-style: normal;
}
.testimonial-card blockquote::before { content: "\201C"; color: var(--accent); font-size: 1.5rem; margin-right: .25rem; }
.testimonial-author { display: flex; align-items: center; gap: .75rem; }
.testimonial-avatar {
  width: 36px; height: 36px; border-radius: 50%;
  background: var(--accent); display: flex; align-items: center;
  justify-content: center; font-weight: 600; font-size: .8rem; color: var(--bg);
}
.testimonial-name { font-weight: 600; font-size: .85rem; color: var(--text); }
.testimonial-role { font-size: .75rem; color: var(--text-muted); }

/* ── Qualification Cards ───────────────── */
.qual-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 1.25rem; }
.qual-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.75rem;
  transition: all var(--transition);
}
.qual-card:hover { border-color: var(--accent); }
.qual-card .qual-dept {
  font-size: .7rem; font-weight: 500; text-transform: uppercase;
  letter-spacing: .12em; color: var(--accent); margin-bottom: .5rem;
}
.qual-card h3 { font-size: 1.1rem; margin-bottom: .15rem; }
.qual-card .qual-role { font-size: .8rem; color: var(--text-muted); margin-bottom: .75rem; display: block; }
.qual-card p { font-size: .85rem; line-height: 1.6; }

/* ── Blog / Insights ───────────────────── */
.insight-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); gap: 1.5rem; }
.insight-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 2rem;
  transition: all var(--transition); text-decoration: none; display: block;
}
.insight-card:hover { border-color: var(--accent); transform: translateY(-2px); }
.insight-card .insight-date { font-size: .75rem; color: var(--text-muted); margin-bottom: .5rem; display: block; }
.insight-card h3 { color: var(--text); margin-bottom: .5rem; }
.insight-card p { font-size: .9rem; }

/* ── Media ─────────────────────────────── */
.media-hero {
  display: grid; grid-template-columns: 1fr 1.2fr; gap: 4rem;
  align-items: start;
}
.media-photo img { width: 100%; max-width: 400px; border-radius: var(--radius); }
.pull-quote {
  border-left: 3px solid var(--accent); padding-left: 1.5rem;
  font-size: 1.1rem; color: var(--text); font-weight: 400;
  line-height: 1.6; margin: 2rem 0;
}

/* ── Contact Form ──────────────────────── */
.contact-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 4rem;
  align-items: start;
}
.contact-image img { width: 100%; max-width: 480px; border-radius: var(--radius); }
.form-group { margin-bottom: 1.25rem; }
.form-group label {
  display: block; font-size: .8rem; font-weight: 500;
  text-transform: uppercase; letter-spacing: .1em;
  color: var(--text-muted); margin-bottom: .5rem;
}
.form-group input, .form-group textarea {
  width: 100%; padding: .875rem 1rem; background: var(--bg-card);
  border: 1px solid var(--border); border-radius: var(--radius);
  color: var(--text); font-family: inherit; font-size: .9rem;
  transition: border-color var(--transition);
}
.form-group input:focus, .form-group textarea:focus {
  outline: none; border-color: var(--accent);
}
.form-group textarea { min-height: 140px; resize: vertical; }

/* ── About ─────────────────────────────── */
.about-hero {
  display: grid; grid-template-columns: 1fr 1.2fr; gap: 4rem;
  align-items: start;
}
.about-photo img { width: 100%; max-width: 420px; border-radius: var(--radius); }
.philosophy-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 1.5rem; margin-top: 2rem; }
.philosophy-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 2rem;
}
.philosophy-card h3 { margin-bottom: .5rem; font-size: 1.1rem; }
.philosophy-card p { font-size: .9rem; }

/* ── Page Header ───────────────────────── */
.page-header {
  padding: 8rem 0 3rem; text-align: left;
}
.page-header p { margin-top: .75rem; }

/* ── Footer ────────────────────────────── */
footer {
  border-top: 1px solid var(--border); padding: 3rem 0;
}
.footer-inner {
  display: flex; justify-content: space-between; align-items: center;
}
.footer-inner p { font-size: .8rem; color: var(--text-muted); }
.footer-links { display: flex; gap: 1.5rem; list-style: none; }
.footer-links a { font-size: .8rem; color: var(--text-muted); }
.footer-links a:hover { color: var(--accent); }

/* ── Animations ────────────────────────── */
.fade-up {
  opacity: 0; transform: translateY(20px);
  transition: opacity .6s ease, transform .6s ease;
}
.fade-up.visible { opacity: 1; transform: translateY(0); }

/* ── Responsive ────────────────────────── */
@media (max-width: 900px) {
  .hero-grid, .about-hero, .media-hero, .contact-grid { grid-template-columns: 1fr; gap: 2rem; }
  .stats-bar { grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
  .card-grid, .portfolio-grid, .stack-grid, .testimonial-grid,
  .insight-grid, .qual-grid, .philosophy-grid { grid-template-columns: 1fr; }
  section { padding: 4rem 0; }
}

@media (max-width: 768px) {
  .nav-links {
    display: none; position: fixed; top: 64px; left: 0;
    width: 100%; background: rgba(13,13,13,.98);
    flex-direction: column; padding: 2rem;
    gap: 1.25rem; border-bottom: 1px solid var(--border);
  }
  .nav-links.open { display: flex; }
  .hamburger { display: flex; }
  .hero { min-height: auto; padding-top: 100px; padding-bottom: 3rem; }
  h1 { font-size: 2rem; }
  .container { padding: 0 1.25rem; }
}