/* ===== Pattech — SaaS premium canon (Linear / Stripe / Vercel tier) ===== */

:root {
  --bg: #08090c;
  --bg-raised: #0e1015;
  --bg-card: #12141a;
  --line: rgba(255, 255, 255, 0.08);
  --line-strong: rgba(255, 255, 255, 0.16);
  --text: #f2f3f5;
  --text-soft: #a5a9b4;
  --text-faint: #6b7080;

  --accent: #5b6bf5;
  --accent-soft: #7c8bff;
  --accent-dim: rgba(91, 107, 245, 0.14);

  --font-text: "Inter", system-ui, -apple-system, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --container: 1180px;

  color-scheme: dark;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-text);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; }
h1, h2, h3 { font-family: var(--font-text); font-weight: 700; margin: 0; letter-spacing: -0.02em; text-wrap: balance; }
p { margin: 0; }
.mono { font-family: var(--font-mono); letter-spacing: 0.02em; font-variant-numeric: tabular-nums; }

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--accent);
  color: #fff;
  padding: 12px 20px;
  z-index: 300;
  font-weight: 600;
  border-radius: 0 0 var(--radius-sm) 0;
}
.skip-link:focus { left: 0; }

:focus-visible {
  outline: 2px solid var(--accent-soft);
  outline-offset: 2px;
  border-radius: 4px;
}

/* Film grain overlay for premium texture */
.grain {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  opacity: 0.035;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='90' height='90'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
}

/* ===== Buttons ===== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 22px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
  transition: transform 160ms ease, background-color 160ms ease, border-color 160ms ease, box-shadow 160ms ease;
}
@media (prefers-reduced-motion: reduce) { .btn { transition: none; } }
.btn--primary {
  background: linear-gradient(180deg, var(--accent-soft), var(--accent));
  color: #fff;
  box-shadow: 0 0 0 1px rgba(255,255,255,0.06) inset, 0 8px 24px -8px rgba(91,107,245,0.6);
}
.btn--primary:hover { transform: translateY(-1px); box-shadow: 0 0 0 1px rgba(255,255,255,0.1) inset, 0 12px 28px -8px rgba(91,107,245,0.75); }
.btn--primary:active { transform: translateY(0); }
.btn--ghost {
  background: rgba(255,255,255,0.02);
  color: var(--text);
  border-color: var(--line-strong);
}
.btn--ghost:hover { border-color: var(--text-soft); background: rgba(255,255,255,0.05); }
.btn--block { width: 100%; }

/* ===== Nav ===== */

.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(8, 9, 12, 0.72);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.nav__inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  gap: 24px;
}
.nav__brand { display: inline-flex; align-items: center; gap: 9px; text-decoration: none; color: var(--text); font-weight: 700; font-size: 1rem; }
.nav__links { display: flex; gap: 28px; margin-left: auto; }
.nav__links a {
  text-decoration: none;
  color: var(--text-soft);
  font-weight: 500;
  font-size: 0.92rem;
  transition: color 160ms ease;
}
.nav__links a:hover, .nav__links a:focus-visible { color: var(--text); }
.nav__cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  text-decoration: none;
  background: var(--text);
  color: var(--bg);
  font-weight: 600;
  padding: 9px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  transition: opacity 160ms ease;
}
.nav__cta:hover { opacity: 0.85; }
.nav__toggle {
  display: none;
  width: 40px; height: 40px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line-strong);
  background: transparent;
  position: relative;
  cursor: pointer;
}
.nav__toggle span, .nav__toggle span::before, .nav__toggle span::after {
  content: ""; position: absolute; left: 10px; right: 10px; height: 1.5px; background: var(--text);
  transition: transform 160ms ease, opacity 160ms ease;
}
.nav__toggle span { top: 19px; }
.nav__toggle span::before { top: -6px; }
.nav__toggle span::after { top: 6px; }
.nav__toggle[aria-expanded="true"] span { background: transparent; }
.nav__toggle[aria-expanded="true"] span::before { transform: translateY(6px) rotate(45deg); background: var(--text); }
.nav__toggle[aria-expanded="true"] span::after { transform: translateY(-6px) rotate(-45deg); background: var(--text); }

.nav__mobile { display: none; flex-direction: column; padding: 8px 24px 20px; gap: 2px; background: var(--bg); }
.nav__mobile[data-open="true"] { display: flex; }
.nav__mobile a { text-decoration: none; color: var(--text); padding: 13px 4px; border-bottom: 1px solid var(--line); font-weight: 500; }
.nav__mobile-cta {
  margin-top: 10px; background: var(--text); color: var(--bg) !important; text-align: center;
  border-radius: var(--radius-sm); padding: 12px !important; font-weight: 600; border-bottom: none !important;
}

@media (max-width: 860px) {
  .nav__links, .nav__cta { display: none; }
  .nav__toggle { display: block; }
}

/* ===== Hero / gradient mesh ===== */

.hero { position: relative; padding: 84px 24px 64px; overflow: hidden; }
.hero__canvas { position: absolute; inset: 0; z-index: 0; width: 100%; height: 100%; opacity: 0.85; }
.hero__mesh { position: absolute; inset: 0; z-index: 0; overflow: hidden; }
.hero__orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.55;
}
.hero__orb--a { width: 480px; height: 480px; top: -160px; left: -120px; background: radial-gradient(circle, var(--accent) 0%, transparent 70%); }
.hero__orb--b { width: 420px; height: 420px; top: 40px; right: -160px; background: radial-gradient(circle, #8f5cf5 0%, transparent 70%); opacity: 0.4; }
.hero__orb--c { width: 320px; height: 320px; bottom: -180px; left: 30%; background: radial-gradient(circle, #3fd0e8 0%, transparent 70%); opacity: 0.3; }

@media (prefers-reduced-motion: no-preference) {
  .hero__orb--a { animation: drift-a 22s ease-in-out infinite; }
  .hero__orb--b { animation: drift-b 26s ease-in-out infinite; }
  .hero__orb--c { animation: drift-c 30s ease-in-out infinite; }
}
@keyframes drift-a { 0%,100% { transform: translate(0,0) scale(1); } 50% { transform: translate(60px, 40px) scale(1.1); } }
@keyframes drift-b { 0%,100% { transform: translate(0,0) scale(1); } 50% { transform: translate(-50px, 60px) scale(0.95); } }
@keyframes drift-c { 0%,100% { transform: translate(0,0) scale(1); } 50% { transform: translate(40px, -50px) scale(1.15); } }

.hero__inner {
  position: relative;
  z-index: 2;
  max-width: var(--container);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 56px;
  align-items: center;
}

.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 0.85rem; font-weight: 500; color: var(--text-soft);
  background: var(--bg-card); border: 1px solid var(--line);
  padding: 6px 14px; border-radius: 999px; margin: 0 0 24px;
}
.eyebrow__dot { width: 6px; height: 6px; border-radius: 50%; background: #4ad991; }
@media (prefers-reduced-motion: no-preference) { .eyebrow__dot { animation: pulse 2.2s ease-in-out infinite; } }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.35; } }

.hero__title { font-size: clamp(2.3rem, 4.4vw, 3.6rem); line-height: 1.08; margin: 0 0 22px; }
.hero__title-accent {
  background: linear-gradient(90deg, var(--accent-soft), #8f5cf5);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero__lead { font-size: 1.1rem; color: var(--text-soft); max-width: 50ch; margin: 0 0 32px; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 40px; }

.hero__stats { display: flex; gap: 32px; margin: 0; padding-top: 24px; border-top: 1px solid var(--line); }
.hero__stats dt { font-size: 0.78rem; color: var(--text-faint); margin: 0 0 4px; }
.hero__stats dd { margin: 0; font-size: 1.2rem; font-weight: 600; color: var(--text); }

/* Floating product panel */
.hero__panel-wrap { perspective: 1000px; }
.panel {
  position: relative;
  background: linear-gradient(180deg, rgba(255,255,255,0.04), rgba(255,255,255,0.01));
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 30px 60px -20px rgba(0,0,0,0.6), 0 0 0 1px rgba(255,255,255,0.02) inset;
  overflow: hidden;
  transform-style: preserve-3d;
  will-change: transform;
}
@media (prefers-reduced-motion: no-preference) {
  .panel { transition: transform 200ms ease-out; }
}
.panel__glow {
  position: absolute;
  width: 220px; height: 220px;
  background: radial-gradient(circle, rgba(124,139,255,0.35), transparent 70%);
  left: var(--glow-x, 50%); top: var(--glow-y, 30%);
  transform: translate(-50%, -50%);
  pointer-events: none;
}
.panel__head {
  display: flex; align-items: center; gap: 10px;
  padding: 16px 20px; border-bottom: 1px solid var(--line);
  position: relative; z-index: 1;
}
.panel__dots { display: inline-flex; gap: 6px; }
.panel__dots i { width: 8px; height: 8px; border-radius: 50%; background: var(--line-strong); display: block; }
.panel__title { font-size: 0.78rem; color: var(--text-faint); }
.panel__body { padding: 24px 20px 28px; display: flex; flex-direction: column; gap: 18px; position: relative; z-index: 1; }
.panel__row { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.panel__label { font-size: 0.82rem; color: var(--text-faint); }
.panel__value { font-size: 0.92rem; color: var(--text); font-weight: 500; text-align: right; }

.status { display: inline-flex; align-items: center; gap: 7px; font-size: 0.82rem; font-weight: 500; color: #f5c563; }
.status__dot { width: 7px; height: 7px; border-radius: 50%; background: #f5c563; }
@media (prefers-reduced-motion: no-preference) { .status__dot { animation: pulse 1.8s ease-in-out infinite; } }

.panel__progress { height: 6px; border-radius: 999px; background: var(--line); overflow: hidden; }
.panel__progress-fill {
  display: block; height: 100%; width: 66%; border-radius: 999px;
  background: linear-gradient(90deg, var(--accent), var(--accent-soft));
}
@media (prefers-reduced-motion: no-preference) {
  .panel__progress-fill { animation: fill-progress 2.4s ease-out both; }
}
@keyframes fill-progress { from { width: 0%; } to { width: 66%; } }

@media (max-width: 960px) {
  .hero__inner { grid-template-columns: 1fr; }
  .hero__panel-wrap { max-width: 420px; }
}

/* ===== Strip ===== */

.strip { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--bg-raised); overflow: hidden; }
.strip__inner {
  max-width: var(--container); margin: 0 auto; padding: 16px 24px;
  display: flex; flex-wrap: wrap; gap: 12px; justify-content: center;
  font-size: 0.78rem; color: var(--text-faint); letter-spacing: 0.06em;
}

/* ===== Sections ===== */

section:not(.hero):not(.strip) { padding: 96px 24px; }
.services, .about, .testimonials { max-width: var(--container); margin: 0 auto; }
.process { background: var(--bg-raised); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.process > * { max-width: var(--container); margin-left: auto; margin-right: auto; }

.section__head { max-width: 60ch; margin: 0 0 48px; }
.section__kicker { font-size: 0.78rem; color: var(--accent-soft); margin: 0 0 12px; }
.section__title { font-size: clamp(1.7rem, 3.2vw, 2.4rem); margin: 0 0 14px; }
.section__lead { color: var(--text-soft); font-size: 1.05rem; max-width: 54ch; }

/* Scroll reveal */
.reveal { opacity: 1; transform: none; }
@media (prefers-reduced-motion: no-preference) {
  .reveal { opacity: 0; transform: translateY(24px); transition: opacity 640ms ease, transform 640ms ease; }
  .reveal.is-visible { opacity: 1; transform: none; }
}

/* ===== Placeholder imagery (swap for real assets later) ===== */

.img-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  text-align: center;
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius-md);
  background:
    repeating-linear-gradient(135deg, rgba(255,255,255,0.02) 0 10px, transparent 10px 20px),
    var(--bg-raised);
  color: var(--text-faint);
  font-size: 0.76rem;
  padding: 16px;
}
.img-placeholder svg { color: var(--text-faint); }
.img-placeholder--wide { aspect-ratio: 16 / 9; margin-top: 4px; }
.img-placeholder--portrait { width: 100%; aspect-ratio: 3 / 4; }
.img-placeholder--card { aspect-ratio: 16 / 10; border-radius: var(--radius-md) var(--radius-md) 0 0; border-bottom: none; }

/* ===== Bento grid ===== */

.bento {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: minmax(190px, auto);
  gap: 16px;
}
.bento-card {
  position: relative;
  grid-column: span 2;
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 26px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  overflow: hidden;
  transition: border-color 200ms ease, transform 200ms ease;
}
.bento-card::before {
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(220px circle at var(--mx, 50%) var(--my, 50%), var(--accent-dim), transparent 70%);
  opacity: 0; transition: opacity 300ms ease;
  pointer-events: none;
}
.bento-card:hover::before { opacity: 1; }
.bento-card:hover { border-color: var(--line-strong); transform: translateY(-2px); }
.bento-card--lg { grid-column: span 2; grid-row: span 2; }
.bento-card--wide { grid-column: span 2; }
.bento-card__icon {
  width: 42px; height: 42px; border-radius: 10px;
  background: var(--accent-dim); color: var(--accent-soft);
  display: flex; align-items: center; justify-content: center;
}
.bento-card h3 { font-size: 1.1rem; }
.bento-card p { color: var(--text-soft); font-size: 0.94rem; max-width: 42ch; }
.bento-card__tag { margin-top: auto; font-size: 0.72rem; color: var(--text-faint); }

@media (max-width: 860px) {
  .bento { grid-template-columns: 1fr 1fr; }
  .bento-card--lg, .bento-card--wide { grid-column: span 2; grid-row: span 1; }
}
@media (max-width: 560px) {
  .bento { grid-template-columns: 1fr; }
  .bento-card, .bento-card--lg, .bento-card--wide { grid-column: span 1; }
}

/* ===== Process steps ===== */

.steps {
  list-style: none; margin: 0; padding: 0;
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px;
  position: relative;
}
.steps::before {
  content: ""; position: absolute; top: 15px; left: 24px; right: 24px; height: 1px;
  background: linear-gradient(90deg, transparent, var(--line-strong), var(--line-strong), transparent);
}
.steps__item { position: relative; padding-top: 44px; }
.steps__num {
  position: absolute; top: 0; left: 0; width: 30px; height: 30px; border-radius: 50%;
  background: var(--bg-card); border: 1px solid var(--line-strong); color: var(--accent-soft);
  display: inline-flex; align-items: center; justify-content: center; font-size: 0.76rem;
}
.steps__item h3 { font-size: 1.05rem; margin-bottom: 8px; }
.steps__item p { color: var(--text-soft); font-size: 0.94rem; }

@media (max-width: 760px) {
  .steps { grid-template-columns: 1fr; gap: 32px; }
  .steps::before { display: none; }
}

/* ===== About ===== */

.about__inner { display: grid; grid-template-columns: 220px 1fr; gap: 48px; align-items: start; }
.about__media { display: flex; flex-direction: column; gap: 16px; }
.about__avatar {
  width: 72px; height: 72px; border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--accent-soft), #8f5cf5);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem; font-weight: 700; color: #fff;
  box-shadow: 0 16px 32px -14px rgba(91,107,245,0.5);
}
.about__quote { font-size: 1.3rem; font-weight: 500; margin: 4px 0 8px; color: var(--text); }
.about__note { color: var(--text-faint); font-size: 0.88rem; margin: 0 0 20px; }
.about__copy .section__lead { margin-top: 4px; }

@media (max-width: 700px) {
  .about__inner { grid-template-columns: 1fr; }
  .about__media { flex-direction: row; align-items: center; }
  .about__avatar { width: 64px; height: 64px; font-size: 1.3rem; flex-shrink: 0; }
  .img-placeholder--portrait { aspect-ratio: 16 / 10; }
}

/* ===== Portfolio ===== */

.portfolio-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.portfolio-card {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color 200ms ease, transform 200ms ease;
}
.portfolio-card:hover { border-color: var(--line-strong); transform: translateY(-2px); }
.portfolio-card__body { padding: 16px 18px 20px; }
.portfolio-card__body h3 { font-size: 1rem; margin-bottom: 6px; }
.portfolio-card__tag { font-size: 0.72rem; color: var(--text-faint); }

@media (max-width: 760px) { .portfolio-grid { grid-template-columns: 1fr; } }

/* ===== Contact ===== */

.contact { position: relative; overflow: hidden; }
.hero__mesh--contact { opacity: 0.6; }
.contact__inner { position: relative; z-index: 2; max-width: var(--container); margin: 0 auto; }
.contact__grid { display: grid; grid-template-columns: 1.3fr 1fr; gap: 40px; align-items: start; }

.contact-form { padding: 28px; display: flex; flex-direction: column; gap: 18px; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field label { font-size: 0.85rem; font-weight: 600; }
.field__optional { font-weight: 400; color: var(--text-faint); }
.field input, .field textarea {
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  color: var(--text);
  font-family: var(--font-text);
  font-size: 0.95rem;
  resize: vertical;
}
.field input:focus-visible, .field textarea:focus-visible { outline: 2px solid var(--accent-soft); outline-offset: 1px; }
.field__hint { font-size: 0.78rem; color: var(--text-faint); margin: 0; }

.contact-channels { display: flex; flex-direction: column; gap: 12px; }
.channel-card {
  display: flex; align-items: center; gap: 10px;
  text-decoration: none; color: var(--text);
  background: var(--bg-card); border: 1px solid var(--line);
  border-radius: var(--radius-md); padding: 18px 20px;
  transition: border-color 160ms ease, transform 160ms ease;
}
.channel-card:hover, .channel-card:focus-visible { border-color: var(--accent-soft); transform: translateX(2px); }
@media (prefers-reduced-motion: reduce) { .channel-card { transition: none; } }
.channel-card__label { font-size: 0.7rem; color: var(--text-faint); display: block; margin-bottom: 2px; }
.channel-card__value { font-weight: 600; flex: 1; min-width: 0; }
.channel-card__arrow { color: var(--accent-soft); flex-shrink: 0; }

.contact__placeholder-note { margin-top: 28px; font-size: 0.78rem; color: var(--text-faint); }

@media (max-width: 860px) { .contact__grid { grid-template-columns: 1fr; } }

/* ===== Footer ===== */

.site-footer { border-top: 1px solid var(--line); }
.site-footer__inner {
  max-width: var(--container); margin: 0 auto; padding: 28px 24px;
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px;
  font-size: 0.85rem; color: var(--text-faint);
}