/* AG3 — Streamlined App Development
   Sacred: teal→copper gradient, logo, dark charcoal/slate */

:root {
  --bg-deep: #0f1216;
  --bg: #161a20;
  --bg-elevated: #1c222b;
  --bg-card: #1e2530;
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.14);
  --text: #e8ecef;
  --text-muted: #a0aab6;
  --text-dim: #7a8491;
  --teal: #2ec4b6;
  --teal-dark: #1a9e92;
  --copper: #c97b4a;
  --copper-light: #d99566;
  --gradient: linear-gradient(90deg, var(--teal) 0%, var(--copper) 100%);
  --gradient-soft: linear-gradient(135deg, rgba(46, 196, 182, 0.18), rgba(201, 123, 74, 0.14));
  --focus-ring: 0 0 0 3px rgba(46, 196, 182, 0.55);
  --radius: 12px;
  --radius-lg: 20px;
  --shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
  --font: "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  --max: 1100px;
  --nav-h: 4rem;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-h) + 0.75rem);
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg-deep);
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--teal);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
}

a:hover {
  color: var(--copper-light);
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -100%;
  z-index: 1000;
  padding: 0.75rem 1rem;
  background: var(--teal);
  color: #0a0c0e;
  font-weight: 600;
  border-radius: 8px;
  text-decoration: none;
}

.skip-link:focus {
  top: 1rem;
}

.container {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
}

/* —— Nav —— */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  background: rgba(15, 18, 22, 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.site-nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  width: min(100% - 2rem, var(--max));
}

.nav-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  color: var(--text);
  font-weight: 700;
  letter-spacing: 0.04em;
}

.nav-brand:hover {
  color: var(--text);
}

.nav-brand img {
  width: 40px;
  height: 22px;
  object-fit: cover;
  object-position: center 35%;
  border-radius: 4px;
}

.nav-brand .word {
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-size: 1.15rem;
}

.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--border-strong);
  color: var(--text);
  padding: 0.4rem 0.65rem;
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.875rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.25rem 1.25rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9375rem;
  font-weight: 500;
  padding: 0.35rem 0;
}

.nav-links a:hover,
.nav-links a:focus-visible {
  color: var(--text);
}

.nav-links .nav-cta {
  margin-left: 0.5rem;
  padding: 0.45rem 0.9rem;
  border-radius: 999px;
  background: var(--gradient);
  color: #0a0c0e !important;
  font-weight: 650;
  text-decoration: none;
}

.nav-links .nav-cta:hover {
  filter: brightness(1.08);
}

@media (max-width: 720px) {
  .nav-toggle { display: inline-flex; }
  .nav-links {
    display: none;
    position: absolute;
    top: var(--nav-h);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 0.75rem 1rem 1rem;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
  }
  .nav-links.is-open { display: flex; }
  .nav-links a {
    padding: 0.75rem 0.5rem;
    border-bottom: 1px solid var(--border);
  }
  .nav-links .nav-cta {
    margin: 0.75rem 0 0;
    text-align: center;
    border-bottom: none;
  }
}

/* —— Hero —— */
.hero {
  position: relative;
  padding: 3.5rem 0 4rem;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 20% 20%, rgba(46, 196, 182, 0.12), transparent 55%),
    radial-gradient(ellipse 70% 50% at 85% 30%, rgba(201, 123, 74, 0.1), transparent 50%),
    radial-gradient(ellipse 60% 40% at 50% 100%, rgba(46, 196, 182, 0.05), transparent 60%);
  pointer-events: none;
}

.hero-grid {
  position: relative;
  display: grid;
  gap: 2.5rem;
  align-items: center;
}

@media (min-width: 860px) {
  .hero-grid {
    grid-template-columns: 1.15fr 0.85fr;
    gap: 3rem;
  }
}

.hero-eyebrow {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 0.75rem;
}

.hero h1 {
  margin: 0 0 1rem;
  font-size: clamp(1.85rem, 4.5vw, 2.75rem);
  line-height: 1.15;
  font-weight: 750;
  letter-spacing: -0.02em;
}

.hero h1 .grad {
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-lead {
  margin: 0 0 1.75rem;
  font-size: 1.125rem;
  color: var(--text-muted);
  max-width: 36ch;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.7rem 1.25rem;
  border-radius: 999px;
  font-size: 0.95rem;
  font-weight: 650;
  text-decoration: none;
  border: none;
  cursor: pointer;
  font-family: inherit;
  transition: filter 0.15s ease, transform 0.15s ease;
}

.btn:active {
  transform: scale(0.98);
}

.btn-primary {
  background: var(--gradient);
  color: #0a0c0e;
}

.btn-primary:hover {
  filter: brightness(1.08);
  color: #0a0c0e;
}

.btn-secondary {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border-strong);
}

.btn-secondary:hover {
  border-color: var(--teal);
  color: var(--teal);
}

.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
}

.logo-frame {
  position: relative;
  width: min(100%, 420px);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-strong);
  box-shadow: var(--shadow), 0 0 60px rgba(46, 196, 182, 0.08);
  background: var(--bg-elevated);
}

.logo-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.04);
}

.logo-frame img {
  width: 100%;
  aspect-ratio: 1387 / 752;
  object-fit: cover;
}

/* —— Trust strip —— */
.trust {
  padding: 1.25rem 0;
  border-block: 1px solid var(--border);
  background: var(--bg);
}

.trust-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.5rem 0.35rem;
  text-align: center;
  font-size: 0.9375rem;
  color: var(--text-muted);
}

.trust-label {
  width: 100%;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 0.35rem;
}

.trust-item {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.35rem 0.85rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--text);
  font-weight: 500;
  font-size: 0.875rem;
}

.trust-sep {
  color: var(--text-dim);
  padding: 0 0.15rem;
  user-select: none;
}

@media (min-width: 640px) {
  .trust-label { width: auto; margin: 0 0.75rem 0 0; }
}

/* —— Sections common —— */
section {
  padding: 4rem 0;
}

.section-head {
  margin-bottom: 2rem;
  max-width: 40rem;
}

.section-eyebrow {
  display: block;
  font-size: 0.7rem;
  font-weight: 650;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: 0.5rem;
}

.section-head h2 {
  margin: 0 0 0.5rem;
  font-size: clamp(1.5rem, 3vw, 1.85rem);
  letter-spacing: -0.02em;
  line-height: 1.25;
}

.section-head p {
  margin: 0;
  color: var(--text-muted);
}

/* —— Cards (What we build) —— */
#features {
  background: var(--bg);
}

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

@media (min-width: 560px) {
  .card-grid { grid-template-columns: 1fr 1fr; }
}

@media (min-width: 900px) {
  .card-grid { grid-template-columns: repeat(4, 1fr); }
}

.card {
  padding: 1.35rem 1.25rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color 0.15s ease;
}

.card:hover {
  border-color: rgba(46, 196, 182, 0.35);
}

.card-icon {
  width: 2.25rem;
  height: 2.25rem;
  margin-bottom: 0.9rem;
  border-radius: 8px;
  background: var(--gradient-soft);
  border: 1px solid rgba(46, 196, 182, 0.25);
  display: grid;
  place-items: center;
  font-size: 1rem;
  color: var(--teal);
}

.card h3 {
  margin: 0 0 0.4rem;
  font-size: 1.05rem;
  font-weight: 650;
}

.card p {
  margin: 0;
  font-size: 0.925rem;
  color: var(--text-muted);
  line-height: 1.55;
}

/* —— Featured work —— */
#work {
  background: var(--bg-deep);
}

.feature-block {
  display: grid;
  gap: 1.5rem;
  padding: 1.75rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  position: relative;
  overflow: hidden;
}

.feature-block::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient);
}

@media (min-width: 720px) {
  .feature-block {
    grid-template-columns: auto 1fr;
    gap: 2rem;
    align-items: start;
    padding: 2rem 2.25rem;
  }
}

.feature-badge {
  display: inline-flex;
  flex-direction: column;
  gap: 0.35rem;
  min-width: 8rem;
}

.feature-badge span {
  font-size: 0.65rem;
  font-weight: 650;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.feature-badge strong {
  font-size: 0.95rem;
  font-weight: 650;
  color: var(--teal);
}

.feature-body h3 {
  margin: 0 0 0.6rem;
  font-size: 1.2rem;
}

.feature-body p {
  margin: 0;
  color: var(--text-muted);
  max-width: 52ch;
}

/* —— Process —— */
#process {
  background: var(--bg);
}

.steps {
  display: grid;
  gap: 1rem;
  counter-reset: step;
  list-style: none;
  margin: 0;
  padding: 0;
}

@media (min-width: 720px) {
  .steps { grid-template-columns: repeat(4, 1fr); }
}

.step {
  position: relative;
  padding: 1.35rem 1.2rem 1.35rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.step::before {
  counter-increment: step;
  content: counter(step);
  display: grid;
  place-items: center;
  width: 1.75rem;
  height: 1.75rem;
  margin-bottom: 0.85rem;
  border-radius: 50%;
  font-size: 0.8rem;
  font-weight: 700;
  color: #0a0c0e;
  background: var(--gradient);
}

.step h3 {
  margin: 0 0 0.4rem;
  font-size: 1.05rem;
}

.step p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* —— Contact —— */
#contact {
  background: var(--bg-deep);
  padding-bottom: 5rem;
}

.contact-panel {
  display: grid;
  gap: 2rem;
  padding: 2rem 1.5rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  position: relative;
  overflow: hidden;
}

.contact-panel::before {
  content: "";
  position: absolute;
  inset: -40% -20% auto auto;
  width: 280px;
  height: 280px;
  background: radial-gradient(circle, rgba(201, 123, 74, 0.12), transparent 70%);
  pointer-events: none;
}

@media (min-width: 720px) {
  .contact-panel {
    grid-template-columns: 1fr 1.1fr;
    padding: 2.5rem;
    gap: 2.5rem;
  }
}

.contact-copy h2 {
  margin: 0 0 0.6rem;
  font-size: clamp(1.4rem, 2.5vw, 1.75rem);
}

.contact-copy p {
  margin: 0 0 1rem;
  color: var(--text-muted);
}

.draft-note {
  display: block;
  padding: 0.75rem 0.9rem;
  font-size: 0.8125rem;
  line-height: 1.45;
  color: var(--text-muted);
  background: rgba(46, 196, 182, 0.08);
  border: 1px solid rgba(46, 196, 182, 0.25);
  border-radius: 8px;
}

.draft-note strong {
  color: var(--teal);
}

.contact-form {
  display: grid;
  gap: 1rem;
  position: relative;
}

.field label {
  display: block;
  margin-bottom: 0.35rem;
  font-size: 0.875rem;
  font-weight: 550;
  color: var(--text);
}

.field .hint {
  display: block;
  margin-top: 0.25rem;
  font-size: 0.75rem;
  color: var(--text-dim);
}

.field input,
.field textarea {
  width: 100%;
  padding: 0.7rem 0.85rem;
  font: inherit;
  font-size: 1rem;
  color: var(--text);
  background: var(--bg-deep);
  border: 1px solid var(--border-strong);
  border-radius: 8px;
}

.field input::placeholder,
.field textarea::placeholder {
  color: var(--text-dim);
}

.field textarea {
  min-height: 6.5rem;
  resize: vertical;
}

.form-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem 1rem;
  margin-top: 0.25rem;
}

.form-actions .btn[disabled],
.form-actions .btn:disabled {
  opacity: 0.85;
  cursor: not-allowed;
}

.mailto-hint {
  font-size: 0.8rem;
  color: var(--text-dim);
}

.mailto-hint a {
  color: var(--teal);
}

/* —— Footer —— */
.site-footer {
  padding: 2rem 0;
  border-top: 1px solid var(--border);
  background: #0c0e12;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.footer-brand .name {
  font-weight: 700;
  letter-spacing: 0.06em;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.footer-brand .tag {
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.footer-copy {
  margin: 0;
  font-size: 0.8125rem;
  color: var(--text-dim);
}