/* Base */
:root {
  --bg: #0b1220;
  --bg-alt: #0f172a;
  --card: #0b1220;
  --text: #e5e7eb;
  --muted: #a3acc2;
  --brand: #60a5fa;
  --brand-600: #3b82f6;
  --brand-700: #2563eb;
  --ring: rgba(96, 165, 250, 0.45);
  --border: #1f2937;
}

[data-theme="light"] {
  --bg: #f8fafc;
  --bg-alt: #ffffff;
  --card: #ffffff;
  --text: #0f172a;
  --muted: #475569;
  --brand: #2563eb;
  --brand-600: #1d4ed8;
  --brand-700: #1e40af;
  --ring: rgba(37, 99, 235, 0.25);
  --border: #e5e7eb;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  color: var(--text);
  background: linear-gradient(180deg, var(--bg) 0%, var(--bg-alt) 100%);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.container {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header */
.header { position: sticky; top: 0; z-index: 20; background: rgba(11, 18, 32, 0.7); backdrop-filter: saturate(180%) blur(10px); border-bottom: 1px solid var(--border); }
[data-theme="light"] .header { background: rgba(255,255,255,0.7); }
.nav { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--text); text-decoration: none; font-weight: 700; letter-spacing: .2px; }
.brand-mark { display: inline-grid; place-items: center; width: 34px; height: 34px; border-radius: 10px; background: linear-gradient(135deg, var(--brand), var(--brand-700)); color: white; font-weight: 800; }
.brand-text { opacity: .95; }

.nav-links { display: none; gap: 20px; align-items: center; }
.nav-links a { color: var(--text); text-decoration: none; opacity: .85; font-weight: 500; }
.nav-links a:hover { opacity: 1; }

.hamburger { display: inline-flex; flex-direction: column; gap: 6px; background: transparent; border: 0; cursor: pointer; }
.hamburger span { width: 22px; height: 2px; background: var(--text); display: block; }

.mobile-menu { display: none; flex-direction: column; gap: 12px; padding: 12px 20px 18px; border-bottom: 1px solid var(--border); }
.mobile-menu a { color: var(--text); text-decoration: none; opacity: .9; }
.mobile-menu.open { display: flex; }

@media (min-width: 860px) {
  .nav-links { display: flex; }
  .hamburger { display: none; }
  .mobile-menu { display: none !important; }
}

/* Hero */
.section { padding: 80px 0; }
.section.alt { background: radial-gradient(1000px 500px at 20% -5%, rgba(96,165,250,0.08), transparent 50%), rgba(0,0,0,0.02); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.hero { padding-top: 64px; }
.hero-grid { display: grid; gap: 24px; align-items: center; grid-template-columns: 1fr; }
.hero-copy h1 { font-size: 36px; line-height: 1.15; margin: 0 0 14px; }
.lead { color: var(--muted); font-size: 18px; }
.cta-row { display: flex; gap: 12px; margin: 20px 0 8px; flex-wrap: wrap; }
.social-row { display: flex; gap: 14px; margin-top: 8px; flex-wrap: wrap; }
.social-row a { color: var(--muted); text-decoration: none; display: inline-flex; align-items: center; gap: 8px; padding: 6px 10px; border-radius: 8px; border: 1px solid transparent; }
.social-row a:hover { color: var(--text); border-color: var(--border); background: rgba(255,255,255,0.02); }

.hero-card { border: 1px solid var(--border); border-radius: 16px; padding: 18px; background: linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0)); }
[data-theme="light"] .hero-card { background: linear-gradient(180deg, rgba(0,0,0,0.02), rgba(0,0,0,0)); }
.ticks { margin: 0; padding: 0 0 0 18px; color: var(--muted); }
.ticks li { margin: 8px 0; }

@media (min-width: 920px) {
  .hero-grid { grid-template-columns: 1fr .8fr; }
  .hero-copy h1 { font-size: 48px; }
}

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 10px 16px; border-radius: 10px; text-decoration: none; font-weight: 600; border: 1px solid transparent; color: var(--text); }
.btn-sm { padding: 8px 12px; font-size: 14px; }
.btn-primary { background: linear-gradient(135deg, var(--brand), var(--brand-700)); border-color: transparent; color: #fff; box-shadow: 0 10px 20px rgba(37,99,235,0.25); }
.btn-primary:hover { filter: brightness(1.05); }
.btn[disabled] { opacity: .6; cursor: not-allowed; }
.btn-ghost { background: transparent; border-color: var(--border); color: var(--text); }
.btn-ghost:hover { background: rgba(255,255,255,0.03); }

/* Sections */
.section-title { margin: 0 0 18px; font-size: 28px; }
.cards { display: grid; grid-template-columns: 1fr; gap: 14px; }
.card { border: 1px solid var(--border); border-radius: 14px; padding: 16px; background: rgba(0,0,0,0.15); }
[data-theme="light"] .card { background: rgba(0,0,0,0.03); }
.card h3 { margin: 0 0 8px; font-size: 18px; }
.card p { margin: 0 0 8px; color: var(--muted); }
.meta { font-size: 12px; color: var(--muted); }

@media (min-width: 760px) {
  .cards { grid-template-columns: repeat(4, 1fr); }
}

/* Projects */
.projects { display: grid; grid-template-columns: 1fr; gap: 14px; }
.project { display: grid; grid-template-columns: 96px 1fr; gap: 12px; align-items: center; border: 1px solid var(--border); border-radius: 14px; padding: 12px; background: rgba(0,0,0,0.15); }
[data-theme="light"] .project { background: rgba(0,0,0,0.03); }
.project-img { display: block; width: 100%; height: auto; border-radius: 10px; border: 1px solid var(--border); }
.project h3 { margin: 0 0 6px; font-size: 18px; }
.project p { margin: 0 0 8px; color: var(--muted); }
.tags { display: flex; flex-wrap: wrap; gap: 6px; }
.tags span { display: inline-block; padding: 4px 8px; border-radius: 999px; font-size: 12px; color: var(--brand); background: rgba(96,165,250,0.08); border: 1px solid rgba(96,165,250,0.25); }
.more-link { margin-top: 12px; }

@media (min-width: 880px) {
  .projects { grid-template-columns: repeat(3, 1fr); }
  .project { grid-template-columns: 1fr; }
  .project-img { width: 100%; height: 140px; object-fit: cover; }
}

/* About */
.about { display: grid; grid-template-columns: 1fr; gap: 18px; }
.about .bullets { margin: 10px 0; padding: 0 0 0 18px; color: var(--muted); }

/* Contact */
.form { display: grid; gap: 12px; }
.grid { display: grid; grid-template-columns: 1fr; gap: 12px; }
.form label { display: grid; gap: 6px; font-size: 14px; color: var(--muted); }
.form input, .form select, .form textarea {
  width: 100%;
  background: rgba(0,0,0,0.15);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 10px 12px;
  border-radius: 10px;
  outline: none;
}
.form select {
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  background-color: var(--card);
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 24 24'><path d='M6 9l6 6 6-6' stroke='%23a3acc2' stroke-width='2' fill='none' stroke-linecap='round' stroke-linejoin='round'/></svg>");
  background-repeat: no-repeat;
  background-position: right 10px center;
  padding-right: 36px;
  cursor: pointer;
}
[data-theme="light"] .form select {
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 24 24'><path d='M6 9l6 6 6-6' stroke='%23475569' stroke-width='2' fill='none' stroke-linecap='round' stroke-linejoin='round'/></svg>");
}
.form select option { color: var(--text); background: var(--card); }
.form input:focus, .form select:focus, .form textarea:focus { box-shadow: 0 0 0 4px var(--ring); border-color: var(--brand-600); }
.form .full { grid-column: 1 / -1; }
.form-actions { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.muted { color: var(--muted); }
.small { font-size: 12px; margin-top: 6px; }
.status { color: var(--muted); }
.status.success { color: #10b981; }
.status.error { color: #ef4444; }

@media (min-width: 760px) {
  .about { grid-template-columns: 1.2fr .8fr; }
  .grid { grid-template-columns: repeat(2, 1fr); }
}

/* Footer */
.footer { border-top: 1px solid var(--border); padding: 18px 0; }
.footer-grid { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.resume-link { color: var(--muted); text-decoration: none; }
.resume-link:hover { color: var(--text); }


/* Enhancements */
.skip-link { position: absolute; left: -9999px; top: auto; width: 1px; height: 1px; overflow: hidden; }
.skip-link:focus { position: static; width: auto; height: auto; padding: 8px 12px; background: var(--brand); color: #fff; border-radius: 8px; }

.btn-wa { background: #25D366; color: #052e16; border-color: transparent; }
.btn-wa:hover { filter: brightness(1.05); }

/* Override projects to use smaller images */
.projects { gap: 14px; }
.project { grid-template-columns: 96px 1fr; gap: 12px; padding: 12px; }
.project-img { width: 100%; height: auto; border-radius: 10px; border: 1px solid var(--border); }
@media (min-width: 880px) {
  .project { grid-template-columns: 1fr; }
  .project-img { height: 140px; object-fit: cover; }
}

/* Process */
.steps { display: grid; grid-template-columns: 1fr; gap: 12px; }
.step { border: 1px solid var(--border); border-radius: 12px; padding: 12px; background: rgba(0,0,0,0.08); }
[data-theme="light"] .step { background: rgba(0,0,0,0.03); }
.step h3 { margin: 0 0 6px; font-size: 16px; }
.step p { margin: 0; color: var(--muted); }

/* Testimonials */
.testimonials { display: grid; grid-template-columns: 1fr; gap: 12px; }
.quote { border-left: 3px solid var(--brand); padding: 8px 12px; background: rgba(0,0,0,0.06); border-radius: 6px; }
[data-theme="light"] .quote { background: rgba(0,0,0,0.02); }
.quote p { margin: 0 0 6px; }
.quote cite { color: var(--muted); font-style: normal; }

/* Stack */
.stack-grid { display: flex; flex-wrap: wrap; gap: 8px; }
.stack-grid span { padding: 6px 10px; border-radius: 999px; border: 1px solid var(--border); background: rgba(0,0,0,0.06); }
[data-theme="light"] .stack-grid span { background: rgba(0,0,0,0.02); }

/* Pricing */
.pricing { display: grid; grid-template-columns: 1fr; gap: 12px; }
.price { border: 1px solid var(--border); border-radius: 12px; padding: 12px; background: rgba(0,0,0,0.08); }
[data-theme="light"] .price { background: rgba(0,0,0,0.03); }
.price h3 { margin: 0 0 6px; font-size: 16px; }
.price p { margin: 0 0 6px; color: var(--muted); }

/* FAQ */
.faq { display: grid; grid-template-columns: 1fr; gap: 10px; }
.faq details { border: 1px solid var(--border); border-radius: 10px; padding: 10px 12px; background: rgba(0,0,0,0.06); }
[data-theme="light"] .faq details { background: rgba(0,0,0,0.02); }
.faq summary { cursor: pointer; font-weight: 600; }
.faq p { margin: 6px 0 0; color: var(--muted); }

@media (min-width: 760px) {
  .steps { grid-template-columns: repeat(5, 1fr); }
  .testimonials { grid-template-columns: repeat(3, 1fr); }
  .pricing { grid-template-columns: repeat(3, 1fr); }
}