/* ==========================================================================
   Morfo — styles.css
   ========================================================================== */

:root {
  --color-bg: #0a0a0f;
  --color-bg-alt: #111117;
  --color-surface: #16161d;
  --color-border: #26262f;
  --color-text: #f5f5f7;
  --color-text-muted: #a3a3af;
  --color-accent-1: #6366f1;
  --color-accent-2: #06b6d4;
  --gradient-accent: linear-gradient(135deg, var(--color-accent-1), var(--color-accent-2));
  --font-display: 'Space Grotesk', 'Inter', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;
  --container-width: 1160px;
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --shadow-md: 0 20px 40px -20px rgba(0, 0, 0, 0.5);
  --header-h: 76px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: var(--header-h); }

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

a { color: inherit; text-decoration: none; }

h1, h2, h3 {
  font-family: var(--font-display);
  line-height: 1.15;
  margin: 0 0 0.5em;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.2rem, 5vw, 3.75rem); }
h2 { font-size: clamp(1.75rem, 3.4vw, 2.5rem); }
h3 { font-size: 1.15rem; }

p { color: var(--color-text-muted); margin: 0 0 1em; }

.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--color-accent-1);
  color: #fff;
  padding: 12px 18px;
  border-radius: 0 0 8px 0;
  z-index: 1000;
}
.skip-link:focus { left: 0; }

.text-gradient {
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.eyebrow {
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.78rem;
  color: var(--color-accent-2);
  margin: 0 0 0.75em;
}

/* ---------- Icons ---------- */
.icon {
  width: 22px;
  height: 22px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
  flex-shrink: 0;
}
.icon-lg { width: 44px; height: 44px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}
.btn-sm { padding: 10px 20px; font-size: 0.85rem; }
.btn-block { width: 100%; }
.btn-primary {
  background: var(--gradient-accent);
  color: #fff;
  box-shadow: 0 10px 30px -10px rgba(99, 102, 241, 0.6);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 14px 34px -10px rgba(99, 102, 241, 0.75); }
.btn-outline {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-border);
}
.btn-outline:hover { border-color: var(--color-accent-2); color: var(--color-accent-2); }

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-h);
  display: flex;
  align-items: center;
  background: rgba(10, 10, 15, 0.7);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--color-border);
  z-index: 100;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand-logo { height: 34px; width: auto; filter: invert(1) brightness(1.6); }
.brand-logo-footer { height: 28px; }

.main-nav ul {
  list-style: none;
  display: flex;
  gap: 32px;
  margin: 0;
  padding: 0;
}
.nav-link {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--color-text-muted);
  position: relative;
  padding: 6px 0;
  transition: color 0.2s ease;
}
.nav-link:hover, .nav-link.is-active { color: var(--color-text); }
.nav-link::after {
  content: '';
  position: absolute;
  left: 0; bottom: 0;
  width: 0; height: 2px;
  background: var(--gradient-accent);
  transition: width 0.25s ease;
}
.nav-link:hover::after, .nav-link.is-active::after { width: 100%; }

.header-actions { display: flex; align-items: center; gap: 16px; }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: 10px;
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 0 auto;
  background: var(--color-text);
  transition: transform 0.25s ease, opacity 0.25s ease;
}
.nav-toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; }
.nav-toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: calc(var(--header-h) + 96px) 0 96px;
  overflow: hidden;
}
.hero-bg { position: absolute; inset: 0; z-index: 0; pointer-events: none; }
.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.45;
}
.blob-a { width: 480px; height: 480px; background: var(--color-accent-1); top: -120px; right: -100px; }
.blob-b { width: 420px; height: 420px; background: var(--color-accent-2); bottom: -160px; left: -120px; }
.grid-overlay {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255,255,255,0.035) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.035) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(ellipse at top, black, transparent 70%);
}
.hero-inner { position: relative; z-index: 1; max-width: 780px; }
.hero-lead { font-size: 1.15rem; max-width: 620px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin: 32px 0 56px; }
.hero-stats { display: flex; gap: 48px; flex-wrap: wrap; }
.stat { display: flex; flex-direction: column; }
.stat-num { font-family: var(--font-display); font-size: 1.9rem; font-weight: 700; }
.stat-label { font-size: 0.85rem; color: var(--color-text-muted); }

/* ---------- Sections ---------- */
.section { padding: 110px 0; }
.section-alt { background: var(--color-bg-alt); }
.section-head { max-width: 640px; margin: 0 auto 56px; text-align: center; }
.section-head h2 { margin-bottom: 0.4em; }
.section-lead { margin: 0 auto; }

/* ---------- About ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 64px;
  align-items: center;
}
.check-list { list-style: none; padding: 0; margin: 24px 0 0; display: flex; flex-direction: column; gap: 12px; }
.check-list li { display: flex; align-items: center; gap: 10px; color: var(--color-text); font-weight: 500; }
.check-list .icon { width: 18px; height: 18px; color: var(--color-accent-2); }

.about-visual { display: flex; align-items: center; justify-content: center; }
.about-shape {
  width: 100%;
  max-width: 320px;
  aspect-ratio: 1;
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
}
.orbit-svg { width: 70%; height: 70%; animation: spin 18s linear infinite; }
.orbit-ring { fill: none; stroke: var(--color-border); stroke-width: 1.5; }
.orbit-ring-2 { stroke: var(--color-accent-1); opacity: 0.5; }
.orbit-dot { fill: var(--color-accent-2); }
.orbit-dot-2 { fill: var(--color-accent-1); }
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- Card grid (services) ---------- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  transition: transform 0.25s ease, border-color 0.25s ease;
}
.card:hover { transform: translateY(-4px); border-color: var(--color-accent-1); }
.card-icon {
  width: 48px; height: 48px;
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  background: var(--gradient-accent);
  margin-bottom: 18px;
}
.card-icon .icon { color: #fff; width: 24px; height: 24px; }
.card p { font-size: 0.92rem; margin: 0; }

/* ---------- Portfolio ---------- */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.portfolio-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.portfolio-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.portfolio-media {
  aspect-ratio: 16 / 10;
  display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,0.9);
}
.portfolio-media .icon { opacity: 0.85; }
.grad-1 { background: linear-gradient(135deg, #6366f1, #06b6d4); }
.grad-2 { background: linear-gradient(135deg, #f43f5e, #f59e0b); }
.grad-3 { background: linear-gradient(135deg, #10b981, #06b6d4); }
.grad-4 { background: linear-gradient(135deg, #8b5cf6, #ec4899); }
.grad-5 { background: linear-gradient(135deg, #0ea5e9, #22d3ee); }
.grad-6 { background: linear-gradient(135deg, #f59e0b, #ef4444); }
.portfolio-body { padding: 20px; }
.portfolio-body h3 { margin: 6px 0 8px; }
.portfolio-body p { font-size: 0.9rem; margin: 0; }
.tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-accent-2);
}

/* ---------- Process ---------- */
.process-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px;
}
.process-step {
  position: relative;
  flex: 1 1 220px;
  max-width: 260px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 26px 20px;
}
.process-icon {
  width: 42px; height: 42px;
  border-radius: 10px;
  border: 1px solid var(--color-border);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 16px;
  color: var(--color-accent-2);
}
.process-num {
  position: absolute;
  top: 20px; right: 20px;
  font-family: var(--font-display);
  font-size: 0.8rem;
  color: var(--color-text-muted);
  opacity: 0.6;
}
.process-step p { font-size: 0.88rem; margin: 0; }

/* ---------- Testimonials ---------- */
.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.testimonial-card {
  margin: 0;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 28px 24px;
}
.testimonial-card p {
  color: var(--color-text);
  font-size: 1rem;
  font-style: italic;
}
.testimonial-card footer { font-size: 0.85rem; color: var(--color-text-muted); }

/* ---------- Contact ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}
.contact-list { list-style: none; padding: 0; margin: 24px 0; display: flex; flex-direction: column; gap: 14px; }
.contact-list li { display: flex; align-items: flex-start; gap: 12px; color: var(--color-text); }
.contact-list li .icon { margin-top: 2px; flex-shrink: 0; }
.contact-list .icon { color: var(--color-accent-2); }
.social-links { display: flex; gap: 12px; }
.social-links a {
  width: 42px; height: 42px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  display: flex; align-items: center; justify-content: center;
  transition: border-color 0.2s ease, color 0.2s ease;
}
.social-links a:hover { border-color: var(--color-accent-2); color: var(--color-accent-2); }
.social-links .icon { width: 18px; height: 18px; }

.contact-form {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 32px;
}
.form-row { margin-bottom: 18px; display: flex; flex-direction: column; gap: 8px; }
.form-row label { font-size: 0.85rem; font-weight: 600; color: var(--color-text); }
.form-row input, .form-row textarea {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  color: var(--color-text);
  font-family: inherit;
  font-size: 0.95rem;
  resize: vertical;
}
.form-row input:focus, .form-row textarea:focus {
  outline: none;
  border-color: var(--color-accent-1);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.25);
}
.honeypot { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-status { min-height: 1.2em; font-size: 0.88rem; margin: 14px 0 0; }
.form-status.success { color: #34d399; }
.form-status.error { color: #f87171; }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--color-border); padding: 32px 0; }
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.footer-copy { font-size: 0.85rem; margin: 0; }
.back-to-top {
  width: 42px; height: 42px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  display: flex; align-items: center; justify-content: center;
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.back-to-top:hover { border-color: var(--color-accent-2); transform: translateY(-3px); }
.back-to-top .icon { width: 18px; height: 18px; }

/* ---------- Scroll reveal ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .card-grid { grid-template-columns: repeat(2, 1fr); }
  .portfolio-grid { grid-template-columns: repeat(2, 1fr); }
  .testimonial-grid { grid-template-columns: 1fr; }
}

@media (max-width: 860px) {
  .about-grid, .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .about-visual { order: -1; }
}

@media (max-width: 768px) {
  .main-nav {
    position: fixed;
    top: var(--header-h);
    left: 0; right: 0;
    background: var(--color-bg-alt);
    border-bottom: 1px solid var(--color-border);
    transform: translateY(-120%);
    opacity: 0;
    transition: transform 0.3s ease, opacity 0.3s ease;
    z-index: 90;
  }
  .main-nav.is-open { transform: translateY(0); opacity: 1; }
  .main-nav ul { flex-direction: column; gap: 0; padding: 12px 24px 20px; }
  .main-nav li { border-bottom: 1px solid var(--color-border); }
  .main-nav li:last-child { border-bottom: none; }
  .nav-link { display: block; padding: 14px 0; }
  .nav-toggle { display: flex; }
  .header-actions .btn-sm { display: none; }

  .card-grid { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .portfolio-grid { grid-template-columns: 1fr; }
  .process-step { flex-basis: 100%; max-width: 340px; }
  .footer-inner { flex-wrap: wrap; justify-content: center; text-align: center; }
}