/* ==========================================================================
   Sajibu Labs — styles
   Dark, minimal, mono-aesthetic. Square corners everywhere.
   Mobile-first: base styles target small screens; media queries scale up.
   ========================================================================== */

:root {
  --bg: #0a0c10;
  --bg-elevated: #12151c;
  --bg-elevated-2: #161a22;
  --line: rgba(255, 255, 255, 0.12);
  --line-strong: rgba(255, 255, 255, 0.22);
  --text: #e8eaed;
  --text-muted: #9aa3af;
  --text-dim: #6b7480;
  --accent: #ccff33;
  --accent-dark: #0a0c10;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

/* --------------------------------------------------------------------------
   Reset & base
   -------------------------------------------------------------------------- */

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  border-radius: 0 !important; /* hard rule: square corners everywhere */
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 72px;
  -webkit-text-size-adjust: 100%;
}

body {
  background-color: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.7;
  overflow-x: hidden;
}

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

a {
  color: var(--text);
  text-decoration: none;
  transition: color 0.15s ease, border-color 0.15s ease, background-color 0.15s ease;
}

a:hover {
  color: var(--accent);
}

ul,
ol {
  list-style: none;
}

.container {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding-left: 20px;
  padding-right: 20px;
}

/* Typographic helpers */
.overline {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}

.section {
  padding: 72px 0;
  border-top: 1px solid var(--line);
}

.section-title {
  font-size: 1.6rem;
  line-height: 1.3;
  font-weight: 700;
  letter-spacing: -0.01em;
  max-width: 30em;
}

.section-head {
  margin-bottom: 44px;
}

/* Buttons */
.btn {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 16px 26px;
  min-height: 44px;
  border: 1px solid transparent;
  cursor: pointer;
  text-align: center;
}

.btn-solid {
  background-color: var(--accent);
  color: var(--accent-dark);
  border-color: var(--accent);
}

.btn-solid:hover {
  background-color: #e2ff6e;
  border-color: #e2ff6e;
  color: var(--accent-dark);
}

.btn-outline {
  border-color: var(--line-strong);
  color: var(--text);
}

.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.btn-large {
  font-size: 1rem;
  padding: 20px 34px;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(10, 12, 16, 0.92);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--line);
}

.site-header.is-scrolled {
  border-bottom-color: var(--line-strong);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 64px;
  position: relative;
}

.wordmark {
  font-family: var(--mono);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
}

.wordmark-mark {
  color: var(--accent);
}

.site-nav {
  position: absolute;
  top: 64px;
  left: 0;
  right: 0;
  background-color: var(--bg-elevated);
  border-bottom: 1px solid var(--line);
  display: none;
}

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

.nav-list li {
  border-top: 1px solid var(--line);
}

.nav-list a {
  display: block;
  font-family: var(--mono);
  font-size: 0.9rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 18px 20px;
  min-height: 44px;
}

.nav-list a:hover {
  background-color: var(--bg-elevated-2);
  color: var(--accent);
}

.nav-cta {
  color: var(--accent);
}

/* Hamburger toggle */
.nav-toggle {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 48px;
  height: 48px;
  padding: 12px;
  background: transparent;
  border: 1px solid var(--line);
  cursor: pointer;
}

.nav-toggle-bar {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--text);
  transition: transform 0.15s ease, background-color 0.15s ease;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

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

.hero {
  position: relative;
  padding: 96px 0 88px;
  border-bottom: 1px solid var(--line);
  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: 48px 48px;
}

.hero::before {
  content: "sajibu://build";
  position: absolute;
  top: 24px;
  right: 20px;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  color: var(--text-dim);
}

.hero-overline {
  margin-bottom: 20px;
}

.hero-title {
  font-family: var(--mono);
  font-size: clamp(1.9rem, 5.2vw, 3.6rem);
  line-height: 1.12;
  letter-spacing: -0.02em;
  font-weight: 700;
  max-width: 16em;
  margin-bottom: 24px;
}

.hero-sub {
  color: var(--text-muted);
  font-size: 1.05rem;
  max-width: 46em;
  margin-bottom: 36px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

/* --------------------------------------------------------------------------
   Services
   -------------------------------------------------------------------------- */

.services {
  background-color: var(--bg);
}

.service {
  border-top: 1px solid var(--line);
  padding: 28px 0;
}

.service:last-child {
  border-bottom: 1px solid var(--line);
}

.service-title {
  font-family: var(--mono);
  font-size: 1.25rem;
  letter-spacing: 0.02em;
  display: flex;
  align-items: baseline;
  gap: 16px;
  margin-bottom: 14px;
}

.service-num {
  color: var(--accent);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
}

.service-desc {
  color: var(--text-muted);
  max-width: 52em;
  margin-bottom: 14px;
}

.service-deliverables {
  font-family: var(--mono);
  font-size: 0.82rem;
  line-height: 1.9;
  color: var(--text-dim);
}

.label {
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  margin-right: 8px;
}

.service-individuals {
  margin-top: 36px;
  padding: 20px;
  background-color: var(--bg-elevated);
  border: 1px solid var(--line);
  color: var(--text-muted);
  max-width: 52em;
}

.service-individuals strong {
  color: var(--text);
  font-family: var(--mono);
  font-weight: 700;
}

/* --------------------------------------------------------------------------
   Solutions
   -------------------------------------------------------------------------- */

.solutions {
  background-color: var(--bg-elevated);
}

.solution-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background-color: var(--line);
  border: 1px solid var(--line);
}

.solution {
  background-color: var(--bg-elevated);
  padding: 26px 22px;
  min-height: 120px;
}

.solution-name {
  font-family: var(--mono);
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 10px;
}

.solution-name::before {
  content: "+ ";
  color: var(--accent);
}

.solution-desc {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* --------------------------------------------------------------------------
   Approach
   -------------------------------------------------------------------------- */

.approach-list {
  counter-reset: approach;
}

.approach-step {
  border-top: 1px solid var(--line);
  padding: 26px 0;
}

.approach-step:last-child {
  border-bottom: 1px solid var(--line);
}

.approach-name {
  font-family: var(--mono);
  font-size: 1.1rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  display: flex;
  align-items: baseline;
  gap: 16px;
  margin-bottom: 10px;
}

.approach-num {
  color: var(--accent);
  font-size: 0.8rem;
}

.approach-step p {
  color: var(--text-muted);
  max-width: 48em;
}

/* --------------------------------------------------------------------------
   Why us
   -------------------------------------------------------------------------- */

.why-us {
  background-color: var(--bg-elevated);
}

.why-list li {
  position: relative;
  padding: 18px 0 18px 34px;
  border-top: 1px solid var(--line);
  color: var(--text-muted);
  max-width: 52em;
}

.why-list li:last-child {
  border-bottom: 1px solid var(--line);
}

.why-list li::before {
  content: ">";
  position: absolute;
  left: 4px;
  top: 18px;
  color: var(--accent);
  font-family: var(--mono);
  font-weight: 700;
}

/* --------------------------------------------------------------------------
   Contact
   -------------------------------------------------------------------------- */

.contact {
  text-align: center;
  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: 48px 48px;
}

.contact .overline {
  text-align: center;
}

.contact-title {
  margin: 0 auto 18px;
}

.contact-text {
  color: var(--text-muted);
  font-size: 1.05rem;
  max-width: 34em;
  margin: 0 auto 36px;
}

.contact .btn-large {
  margin-bottom: 28px;
}

.contact-location {
  font-family: var(--mono);
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-dim);
}

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

.site-footer {
  border-top: 1px solid var(--line);
  padding: 36px 0;
  background-color: var(--bg);
}

.footer-wrap {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.footer-brand {
  font-family: var(--mono);
  font-size: 0.85rem;
  letter-spacing: 0.18em;
  color: var(--text-dim);
}

.footer-meta {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--text-dim);
  line-height: 1.9;
}

.footer-meta a {
  color: var(--text-muted);
}

.footer-meta a:hover {
  color: var(--accent);
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
}

.footer-nav a {
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-dim);
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}

.footer-nav a:hover {
  color: var(--accent);
}

.footer-legal {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  width: 100%;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.footer-legal a {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-dim);
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}

.footer-legal a:hover {
  color: var(--accent);
}

/* --------------------------------------------------------------------------
   Legal pages (privacy policy, terms of service, account deletion)
   -------------------------------------------------------------------------- */

.legal-hero {
  padding: 72px 0 52px;
  border-bottom: 1px solid var(--line);
  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: 48px 48px;
}

.legal-hero .overline {
  margin-bottom: 20px;
}

.legal-title {
  font-family: var(--mono);
  font-size: clamp(1.6rem, 4.6vw, 2.6rem);
  line-height: 1.14;
  letter-spacing: -0.01em;
  font-weight: 700;
  max-width: 18em;
  margin-bottom: 22px;
}

.legal-meta {
  font-family: var(--mono);
  font-size: 0.78rem;
  line-height: 1.9;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.legal-meta strong {
  color: var(--accent);
  font-weight: 700;
}

.legal-body {
  padding: 40px 0 72px;
}

.legal-section h2 {
  font-family: var(--mono);
  font-size: 1.15rem;
  line-height: 1.4;
  letter-spacing: 0.03em;
  margin: 44px 0 16px;
  padding-top: 26px;
  border-top: 1px solid var(--line);
}

.legal-section h2:first-of-type {
  margin-top: 0;
  padding-top: 0;
  border-top: none;
}

.legal-section h3 {
  font-family: var(--mono);
  font-size: 0.95rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin: 30px 0 12px;
}

.legal-section p {
  color: var(--text-muted);
  max-width: 60em;
  margin-bottom: 16px;
}

.legal-section p strong,
.legal-section li strong {
  color: var(--text);
}

.legal-section a {
  color: var(--accent);
  border-bottom: 1px solid var(--line-strong);
}

.legal-section a:hover {
  border-bottom-color: var(--accent);
}

.legal-section ul {
  margin-bottom: 18px;
}

.legal-section ul li {
  position: relative;
  padding-left: 26px;
  color: var(--text-muted);
  max-width: 60em;
  margin-bottom: 10px;
}

.legal-section ul li::before {
  content: ">";
  position: absolute;
  left: 4px;
  top: 0;
  color: var(--accent);
  font-family: var(--mono);
  font-weight: 700;
}

.legal-section ol {
  counter-reset: legal;
  margin-bottom: 18px;
}

.legal-section ol > li {
  position: relative;
  padding-left: 36px;
  color: var(--text-muted);
  max-width: 60em;
  margin-bottom: 12px;
  counter-increment: legal;
}

.legal-section ol > li::before {
  content: counter(legal, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0;
  color: var(--accent);
  font-family: var(--mono);
  font-size: 0.8rem;
}

.table-wrap {
  overflow-x: auto;
  margin: 22px 0;
  border: 1px solid var(--line);
}

.legal-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 560px;
  font-size: 0.95rem;
}

.legal-table th {
  text-align: left;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  background-color: var(--bg-elevated);
  padding: 14px 16px;
  border-bottom: 1px solid var(--line-strong);
  white-space: nowrap;
}

.legal-table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
  color: var(--text-muted);
  vertical-align: top;
  line-height: 1.6;
}

.legal-table tr:last-child td {
  border-bottom: none;
}

.legal-table td strong {
  color: var(--text);
}

.note {
  padding: 18px 20px;
  margin: 22px 0;
  background-color: var(--bg-elevated);
  border: 1px solid var(--line);
  color: var(--text-muted);
  max-width: 60em;
}

.note strong {
  color: var(--text);
  font-family: var(--mono);
}

.legal-contact {
  padding: 24px;
  margin-top: 28px;
  background-color: var(--bg-elevated);
  border: 1px solid var(--line);
  max-width: 60em;
}

.legal-contact p {
  margin-bottom: 4px;
}

.legal-contact .label {
  display: block;
  margin-bottom: 10px;
}

.legal-contact .legal-contact-email {
  font-family: var(--mono);
  font-size: 0.95rem;
  color: var(--accent);
}

.legal-back {
  margin-top: 52px;
  padding-top: 26px;
  border-top: 1px solid var(--line);
}

/* --------------------------------------------------------------------------
   Desktop breakpoint
   -------------------------------------------------------------------------- */

@media (min-width: 768px) {

  .container {
    padding-left: 32px;
    padding-right: 32px;
  }

  .nav-toggle {
    display: none;
  }

  .site-nav {
    position: static;
    display: block;
    background: transparent;
    border-bottom: none;
  }

  .nav-list {
    display: flex;
    align-items: center;
    gap: 4px;
  }

  .nav-list li {
    border-top: none;
  }

  .nav-list a {
    padding: 12px 16px;
  }

  .section {
    padding: 96px 0;
  }

  .section-title {
    font-size: 2rem;
  }

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

  .hero {
    padding: 128px 0 112px;
  }

  .footer-wrap {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 12px 32px;
    flex-wrap: wrap;
  }

}

@media (min-width: 1024px) {

  .solution-grid {
    grid-template-columns: repeat(4, 1fr);
  }

}

/* --------------------------------------------------------------------------
   Focus visibility / accessibility
   -------------------------------------------------------------------------- */

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

::selection {
  background-color: var(--accent);
  color: var(--accent-dark);
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    transition: none !important;
    animation: none !important;
  }
}