/* ==========================================================================
   ArchiSkillset — Light architectural theme
   Sharp edges (border-radius: 0), slate + muted copper accents
   ========================================================================== */

:root {
  --bg: #ffffff;
  --bg-alt: #f8f9fa;
  --ink: #141414;
  --ink-soft: #3d4450;
  --muted: #6b7280;
  --line: #1a1a1a;
  --line-soft: #d1d5db;
  --slate: #3a4450;
  --slate-deep: #2a323c;
  --copper: #b87333;
  --copper-soft: #c9894a;
  --copper-wash: rgba(184, 115, 51, 0.1);
  --success: #1f6b3a;
  --error: #9b1c1c;
  --font-display: "Space Grotesk", sans-serif;
  --font-body: "IBM Plex Sans", sans-serif;
  --container: 1120px;
  --header-h: 72px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

*,
*::before,
*::after {
  box-sizing: border-box;
  border-radius: 0 !important; /* Sharp edges everywhere */
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

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

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

button,
input,
textarea,
select {
  font: inherit;
  border-radius: 0;
}

.container {
  width: min(100% - 2.5rem, var(--container));
  margin-inline: auto;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--ink);
  color: #fff;
  padding: 0.75rem 1rem;
  z-index: 1000;
}

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

/* -------------------------------------------------------------------------- */
/* Header                                                                     */
/* -------------------------------------------------------------------------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid transparent;
  backdrop-filter: blur(10px);
  transition: border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.site-header.is-scrolled {
  border-bottom-color: var(--line-soft);
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.04);
}

.header-inner {
  min-height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.03em;
}

.logo-mark {
  display: grid;
  place-items: center;
  width: 2.25rem;
  height: 2.25rem;
  border: 1.5px solid var(--ink);
  background: var(--copper-wash);
  font-size: 0.8rem;
}

.logo-text {
  font-size: 1.15rem;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.35rem;
  font-family: var(--font-display);
  font-size: 0.92rem;
  font-weight: 500;
}

.site-nav a:hover {
  color: var(--copper);
}

.nav-cta {
  border: 1.5px solid var(--ink);
  padding: 0.55rem 0.9rem;
  transition: background 0.25s var(--ease), color 0.25s var(--ease);
}

.nav-cta:hover {
  background: var(--ink);
  color: #fff !important;
}

.nav-toggle {
  display: none;
  width: 2.5rem;
  height: 2.5rem;
  border: 1.5px solid var(--ink);
  background: transparent;
  padding: 0;
  cursor: pointer;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 6px;
}

.nav-toggle span {
  display: block;
  width: 1.1rem;
  height: 1.5px;
  background: var(--ink);
}

/* -------------------------------------------------------------------------- */
/* Buttons                                                                    */
/* -------------------------------------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: -0.01em;
  padding: 0.9rem 1.35rem;
  border: 1.5px solid var(--ink);
  cursor: pointer;
  transition: transform 0.25s var(--ease), background 0.25s var(--ease),
    color 0.25s var(--ease), border-color 0.25s var(--ease);
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: var(--ink);
  color: #fff;
}

.btn-primary:hover {
  background: var(--slate-deep);
  border-color: var(--slate-deep);
}

.btn-secondary {
  background: transparent;
  color: var(--ink);
}

.btn-secondary:hover {
  background: var(--copper-wash);
  border-color: var(--copper);
  color: var(--slate-deep);
}

.btn-block {
  width: 100%;
}

.btn:disabled {
  opacity: 0.65;
  cursor: not-allowed;
  transform: none;
}

.text-link {
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--copper);
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s var(--ease);
}

.text-link:hover {
  border-bottom-color: var(--copper);
}

/* -------------------------------------------------------------------------- */
/* Hero                                                                       */
/* -------------------------------------------------------------------------- */

.hero {
  position: relative;
  min-height: calc(100vh - var(--header-h));
  display: flex;
  align-items: center;
  overflow: hidden;
  border-bottom: 1px solid var(--line-soft);
  background:
    linear-gradient(135deg, #ffffff 0%, #f8f9fa 48%, #eef1f4 100%);
}

.hero-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(58, 68, 80, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(58, 68, 80, 0.06) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(to bottom, black 40%, transparent 100%);
  pointer-events: none;
  animation: gridDrift 28s linear infinite;
}

@keyframes gridDrift {
  from {
    background-position: 0 0;
  }
  to {
    background-position: 48px 48px;
  }
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 3rem;
  align-items: center;
  padding: 4.5rem 0 5rem;
}

.brand-signal {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 5vw, 3.75rem);
  font-weight: 700;
  letter-spacing: -0.05em;
  line-height: 1;
  color: var(--ink);
  animation: riseIn 0.8s var(--ease) both;
}

.hero h1 {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-size: clamp(1.65rem, 3.2vw, 2.35rem);
  font-weight: 600;
  letter-spacing: -0.035em;
  line-height: 1.15;
  max-width: 18ch;
  color: var(--slate-deep);
  animation: riseIn 0.8s var(--ease) 0.1s both;
}

.hero-lede {
  margin: 0 0 1.75rem;
  max-width: 38ch;
  color: var(--ink-soft);
  font-size: 1.05rem;
  animation: riseIn 0.8s var(--ease) 0.2s both;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  animation: riseIn 0.8s var(--ease) 0.3s both;
}

.hero-visual {
  animation: riseIn 0.9s var(--ease) 0.2s both;
}

.hero-frame {
  border: 1.5px solid var(--ink);
  background: #fff;
  padding: 1rem 1rem 0.5rem;
  position: relative;
}

.hero-frame::after {
  content: "";
  position: absolute;
  inset: 10px -10px -10px 10px;
  border: 1px solid var(--copper);
  z-index: -1;
  animation: frameShift 6s var(--ease) infinite alternate;
}

@keyframes frameShift {
  from {
    transform: translate(0, 0);
  }
  to {
    transform: translate(6px, 6px);
  }
}

.hero-frame-label {
  font-family: var(--font-display);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.75rem;
}

.hero-drawing {
  width: 100%;
  height: auto;
  color: var(--slate);
  display: block;
}

@keyframes riseIn {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* -------------------------------------------------------------------------- */
/* Sections                                                                   */
/* -------------------------------------------------------------------------- */

.section {
  padding: 5.5rem 0;
}

.section-alt {
  background: var(--bg-alt);
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}

.section-header {
  max-width: 640px;
  margin-bottom: 2.75rem;
}

.eyebrow {
  margin: 0 0 0.65rem;
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--copper);
}

.section-header h2 {
  margin: 0 0 0.85rem;
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 3vw, 2.25rem);
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 1.15;
}

.section-desc {
  margin: 0;
  color: var(--ink-soft);
  font-size: 1.02rem;
}

/* -------------------------------------------------------------------------- */
/* Software grid                                                              */
/* -------------------------------------------------------------------------- */

.software-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1.5px solid var(--ink);
}

.soft-card {
  background: #fff;
  padding: 1.4rem 1.35rem 1.5rem;
  min-height: 100%;
  transition: background 0.25s var(--ease);
}

.soft-card:hover {
  background: var(--copper-wash);
}

.soft-card-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 0.85rem;
}

.soft-card h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.15rem;
  letter-spacing: -0.02em;
}

.level-tag {
  flex-shrink: 0;
  font-size: 0.7rem;
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border: 1px solid var(--slate);
  color: var(--slate);
  padding: 0.25rem 0.4rem;
  white-space: nowrap;
}

.soft-tools,
.soft-outcome {
  margin: 0 0 0.55rem;
  font-size: 0.92rem;
  color: var(--ink-soft);
}

.soft-outcome {
  margin-bottom: 0;
}

/* -------------------------------------------------------------------------- */
/* Pricing                                                                    */
/* -------------------------------------------------------------------------- */

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.price-card {
  border: 1.5px solid var(--ink);
  background: #fff;
  padding: 1.75rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  position: relative;
}

.price-card-featured {
  background: var(--slate-deep);
  color: #f8f9fa;
  border-color: var(--slate-deep);
}

.price-card-featured .price-note,
.price-card-featured ul {
  color: rgba(248, 249, 250, 0.82);
}

.price-badge {
  position: absolute;
  top: 0;
  right: 0;
  margin: 0;
  background: var(--copper);
  color: #fff;
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.4rem 0.65rem;
}

.price-label {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
}

.price-amount {
  margin: 0;
  font-family: var(--font-display);
  font-size: 2.4rem;
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1;
}

.price-amount span {
  color: var(--copper);
}

.price-card-featured .price-amount span {
  color: var(--copper-soft);
}

.price-amount small {
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0;
  color: var(--muted);
  margin-left: 0.35rem;
}

.price-card-featured .price-amount small {
  color: rgba(248, 249, 250, 0.65);
}

.price-note {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.price-card ul {
  margin: 0 0 0.5rem;
  padding-left: 1.1rem;
  color: var(--ink-soft);
  flex: 1;
}

.price-card li + li {
  margin-top: 0.35rem;
}

.price-card-featured .btn-primary {
  background: var(--copper);
  border-color: var(--copper);
  color: #fff;
}

.price-card-featured .btn-primary:hover {
  background: var(--copper-soft);
  border-color: var(--copper-soft);
}

/* -------------------------------------------------------------------------- */
/* Portfolio                                                                  */
/* -------------------------------------------------------------------------- */

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}

.project-card {
  border: 1.5px solid var(--ink);
  background: #fff;
  display: grid;
  grid-template-columns: 120px 1fr;
  min-height: 220px;
  overflow: hidden;
}

.project-visual {
  background:
    linear-gradient(160deg, var(--slate-deep), var(--slate) 55%, #5a4636);
  color: #fff;
  padding: 1rem;
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.project-index {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.4rem;
  letter-spacing: -0.03em;
}

.project-lines {
  flex: 1;
  margin-top: 1rem;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.18) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.18) 1px, transparent 1px);
  background-size: 16px 16px;
  opacity: 0.9;
}

.project-body {
  padding: 1.25rem 1.35rem;
}

.project-body h3 {
  margin: 0 0 0.25rem;
  font-family: var(--font-display);
  font-size: 1.15rem;
  letter-spacing: -0.02em;
}

.project-sub {
  margin: 0 0 0.65rem;
  font-size: 0.88rem;
  color: var(--copper);
  font-weight: 500;
}

.project-blurb {
  margin: 0 0 0.85rem;
  font-size: 0.92rem;
  color: var(--ink-soft);
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.tag {
  font-family: var(--font-display);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border: 1px solid var(--line-soft);
  padding: 0.2rem 0.4rem;
  color: var(--slate);
}

.portfolio-link-wrap {
  margin: 1.75rem 0 0;
}

/* -------------------------------------------------------------------------- */
/* Team                                                                       */
/* -------------------------------------------------------------------------- */

.team-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}

.team-card {
  border: 1.5px solid var(--ink);
  background: #fff;
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 0;
}

.team-avatar {
  display: grid;
  place-items: center;
  background: var(--slate-deep);
  color: #fff;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.5rem;
  letter-spacing: -0.03em;
  border-right: 1.5px solid var(--ink);
}

.team-avatar-alt {
  background: var(--copper);
}

.team-body {
  padding: 1.35rem 1.4rem;
}

.team-body h3 {
  margin: 0 0 0.2rem;
  font-family: var(--font-display);
  font-size: 1.15rem;
  letter-spacing: -0.02em;
}

.team-role {
  margin: 0 0 0.65rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--copper);
  letter-spacing: 0.02em;
}

.team-focus,
.team-bio {
  margin: 0 0 0.65rem;
  font-size: 0.93rem;
  color: var(--ink-soft);
}

.team-bio {
  margin-bottom: 0.85rem;
}

/* -------------------------------------------------------------------------- */
/* Payments                                                                   */
/* -------------------------------------------------------------------------- */

.payment-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--ink);
  border: 1.5px solid var(--ink);
}

.payment-badge {
  background: #fff;
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.5rem 1.35rem;
}

.payment-icon {
  width: 3rem;
  height: 3rem;
  border: 1.5px solid var(--ink);
  display: grid;
  place-items: center;
  font-family: var(--font-display);
  font-weight: 700;
  background: var(--bg-alt);
  flex-shrink: 0;
}

.payment-icon-crypto {
  background: var(--copper-wash);
  color: var(--copper);
}

.payment-badge strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.05rem;
  letter-spacing: -0.02em;
  margin-bottom: 0.15rem;
}

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

/* -------------------------------------------------------------------------- */
/* Consultation form                                                          */
/* -------------------------------------------------------------------------- */

.consultation-layout {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 3rem;
  align-items: start;
}

.consult-points {
  margin: 1.5rem 0 0;
  padding: 0;
  list-style: none;
}

.consult-points li {
  position: relative;
  padding-left: 1.25rem;
  margin-bottom: 0.55rem;
  color: var(--ink-soft);
  font-size: 0.98rem;
}

.consult-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55rem;
  width: 0.55rem;
  height: 0.55rem;
  background: var(--copper);
}

.consult-form {
  border: 1.5px solid var(--ink);
  background: #fff;
  padding: 1.75rem 1.5rem;
}

.form-row {
  margin-bottom: 1.1rem;
}

.form-row label {
  display: block;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.85rem;
  margin-bottom: 0.4rem;
  letter-spacing: -0.01em;
}

.form-row input,
.form-row textarea {
  width: 100%;
  border: 1.5px solid var(--line);
  background: var(--bg-alt);
  padding: 0.8rem 0.85rem;
  color: var(--ink);
  outline: none;
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.form-row input:focus,
.form-row textarea:focus {
  border-color: var(--copper);
  background: #fff;
}

.form-row textarea {
  resize: vertical;
  min-height: 110px;
}

.form-status {
  margin: 1rem 0 0;
  font-size: 0.92rem;
  min-height: 1.35em;
}

.form-status.is-success {
  color: var(--success);
  font-weight: 500;
}

.form-status.is-error {
  color: var(--error);
  font-weight: 500;
}

.form-status.is-pending {
  color: var(--slate);
}

/* -------------------------------------------------------------------------- */
/* Footer                                                                     */
/* -------------------------------------------------------------------------- */

.site-footer {
  background: var(--slate-deep);
  color: rgba(248, 249, 250, 0.88);
  padding: 3.5rem 0 1.5rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 2rem;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}

.footer-brand .logo-text {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.35rem;
  letter-spacing: -0.03em;
  color: #fff;
  margin: 0 0 0.75rem;
}

.footer-brand p:last-child {
  margin: 0;
  max-width: 32ch;
  font-size: 0.95rem;
  color: rgba(248, 249, 250, 0.7);
}

.footer-heading {
  margin: 0 0 0.85rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--copper-soft);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  font-size: 0.95rem;
}

.footer-links a:hover {
  color: #fff;
}

.footer-bottom {
  padding-top: 1.25rem;
  font-size: 0.85rem;
  color: rgba(248, 249, 250, 0.55);
}

.footer-bottom p {
  margin: 0;
}

/* -------------------------------------------------------------------------- */
/* Reveal animations                                                          */
/* -------------------------------------------------------------------------- */

.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.55s var(--ease), transform 0.55s var(--ease);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* -------------------------------------------------------------------------- */
/* Responsive                                                                 */
/* -------------------------------------------------------------------------- */

@media (max-width: 980px) {
  .hero-inner,
  .consultation-layout,
  .pricing-grid,
  .team-grid,
  .payment-grid {
    grid-template-columns: 1fr;
  }

  .software-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

  .hero-visual {
    max-width: 420px;
  }
}

@media (max-width: 720px) {
  .nav-toggle {
    display: inline-flex;
  }

  .site-nav {
    position: absolute;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1.5px solid var(--ink);
    flex-direction: column;
    align-items: stretch;
    padding: 1rem 1.25rem 1.25rem;
    gap: 0;
    display: none;
  }

  .site-nav.is-open {
    display: flex;
  }

  .site-nav a {
    padding: 0.85rem 0;
    border-bottom: 1px solid var(--line-soft);
  }

  .site-nav .nav-cta {
    margin-top: 0.75rem;
    text-align: center;
    border-bottom: 1.5px solid var(--ink);
  }

  .software-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

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

  .project-visual {
    min-height: 100px;
  }

  .team-avatar {
    min-height: 90px;
    border-right: none;
    border-bottom: 1.5px solid var(--ink);
  }

  .hero-actions {
    flex-direction: column;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .hero {
    min-height: auto;
  }

  .hero-inner {
    padding: 3rem 0 3.5rem;
    gap: 2.25rem;
  }
}