/* ============================================================
   Stitch — Shared Stylesheet
   ============================================================ */

/* ---------- Reset & Base ---------------------------------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    --color-bg: #07122b; /* deep navy */
    --color-surface: #0d1c3d;
    --color-surface-alt: #12264f;
    --color-border: #243a66;
    --color-primary: #12a8d8; /* deck cyan */
    --color-primary-dk: #0d8cb4;
    --color-accent: #ffb020; /* sun accent */

    --color-text: #e9eefc;
    --color-muted: #7f92b8;
    --color-white: #ffffff;
    --font-sans: 'Nunito', 'Quicksand', 'M PLUS Rounded 1c', 'Varela Round', system-ui, -apple-system, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 32px;
    --shadow-sm: 0 2px 8px rgba(0,0,0,.35);
    --shadow-md: 0 6px 24px rgba(0,0,0,.45);
    --shadow-lg: 0 16px 48px rgba(0,0,0,.55);
    --nav-h: 68px;
    --max-w: 1140px;
    --transition: 0.22s ease;
}

html { scroll-behavior: smooth; font-size: 16px; }

body {
    font-family: var(--font-sans);
   
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.65;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

a { color: var(--color-primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--color-white); }

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

h1, h2, h3, h4 {
  line-height: 1.2;
  font-weight: 700!important;
  letter-spacing: -0.0em;
}

ul { list-style: none; }

/* ---------- Utility ---------------------------------------- */
.container { width: 100%; max-width: var(--max-w); margin: 0 auto; padding: 0 24px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; }
.text-center { text-align: center; }
.text-muted { color: var(--color-muted); }

/* ---------- Buttons ---------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius-md);
  font-size: .95rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
}
.btn:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn:active { transform: translateY(0); }

.btn-primary {
  background: var(--color-primary);
  color: var(--color-white);
}
.btn-primary:hover { background: var(--color-primary-dk); color: var(--color-white); }

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}
.btn-outline:hover { background: var(--color-primary); color: var(--color-white); }

.btn-ghost {
  background: transparent;
  color: var(--color-text);
  border: 2px solid var(--color-border);
}
.btn-ghost:hover { border-color: var(--color-primary); color: var(--color-primary); }

/* ---------- Navigation ------------------------------------- */
.nav {
    position: sticky;
    top: 0;
    z-index: 100;
    height: var(--nav-h);
    display: flex;
    align-items: center;
    background: rgba(15,17,23,.88);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--color-border);
    background: var(--color-bg);
}


.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--color-white);
  letter-spacing: -0.03em;
}
.nav__logo:hover { color: var(--color-primary); }

.nav__logo-mark {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .85rem;
  color: white;
  font-weight: 900;
}

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

.nav__links a {
  color: var(--color-muted);
  font-size: .92rem;
  font-weight: 500;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
}
.nav__links a:hover,
.nav__links a.active {
  color: var(--color-white);
  background: var(--color-surface-alt);
}

.nav__cta { margin-left: 16px; }

/* Hamburger */
.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 6px;
  background: none;
  border: none;
}
.nav__toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}
.nav__toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__toggle.open span:nth-child(2) { opacity: 0; }
.nav__toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ------------------------------------------- */
.hero {
  padding: 100px 0 80px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 60% at 50% 0%, rgba(108,99,255,.18) 0%, transparent 70%);
  pointer-events: none;
}

.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: .82rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--color-primary);
  background: rgba(108,99,255,.12);
  border: 1px solid rgba(108,99,255,.3);
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 24px;
}

.hero__title {
  font-size: clamp(2.4rem, 6vw, 4.2rem);
  color: var(--color-white);
  max-width: 760px;
  margin: 0 auto 20px;
}

.hero__title span {
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__sub {
  font-size: 1.15rem;
  color: var(--color-muted);
  max-width: 560px;
  margin: 0 auto 40px;
}

.hero__actions {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ---------- Section ---------------------------------------- */
.section {
  padding: 80px 0;
}

.section__label {
  display: inline-block;
  font-size: .78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .12em;
  color: var(--color-primary);
  margin-bottom: 12px;
}

.section__title {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  color: var(--color-white);
  margin-bottom: 14px;
}

.section__desc {
  font-size: 1.05rem;
  color: var(--color-muted);
  max-width: 600px;
  margin: 0 auto;
}

/* ---------- App Cards -------------------------------------- */
.apps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
  margin-top: 48px;
}

.app-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.app-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary);
}

.app-card__icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  flex-shrink: 0;
}

.app-card__header { display: flex; align-items: flex-start; gap: 14px; }

.app-card__meta { flex: 1; }

.app-card__name {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 4px;
}

.app-card__category {
  font-size: .78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--color-primary);
}

.app-card__desc {
  font-size: .93rem;
  color: var(--color-muted);
  line-height: 1.6;
  flex: 1;
}

.app-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.tag {
  font-size: .75rem;
  font-weight: 500;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--color-surface-alt);
  color: var(--color-muted);
  border: 1px solid var(--color-border);
}

.app-card__footer {
  display: flex;
  gap: 10px;
  padding-top: 8px;
  border-top: 1px solid var(--color-border);
}

.app-card__link {
  font-size: .85rem;
  font-weight: 600;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  transition: background var(--transition), color var(--transition);
}

.app-card__link--primary {
  background: var(--color-primary);
  color: white;
}
.app-card__link--primary:hover { background: var(--color-primary-dk); color: white; }

.app-card__link--ghost {
  color: var(--color-muted);
  border: 1px solid var(--color-border);
}
.app-card__link--ghost:hover { color: var(--color-white); border-color: var(--color-text); }

/* ---------- Stats strip ------------------------------------ */
.stats {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  padding: 48px 0;
}

.stats__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 32px;
  text-align: center;
}

.stat__number {
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--color-white);
  letter-spacing: -0.04em;
}

.stat__label {
  font-size: .88rem;
  color: var(--color-muted);
  margin-top: 4px;
}

/* ---------- About page extras ------------------------------ */
.about-hero {
  padding: 80px 0 60px;
  text-align: center;
}

.about-body {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  padding: 60px 0;
}

.about-body__visual {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 48px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.about-body__visual::before {
  content: '';
  position: absolute;
  top: -40px;
  right: -40px;
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, rgba(108,99,255,.25), transparent 70%);
  border-radius: 50%;
}

.avatar-stack {
  display: flex;
  justify-content: center;
  margin-bottom: 24px;
}

.avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  border: 3px solid var(--color-bg);
}

.about-body__text h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  color: var(--color-white);
  margin-bottom: 16px;
}

.about-body__text p {
  color: var(--color-muted);
  margin-bottom: 16px;
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 20px;
  margin-top: 48px;
}

.value-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
  transition: border-color var(--transition);
}

.value-card:hover { border-color: var(--color-primary); }

.value-card__icon { font-size: 1.8rem; margin-bottom: 12px; }
.value-card__title { font-size: 1rem; font-weight: 700; color: var(--color-white); margin-bottom: 6px; }
.value-card__desc { font-size: .88rem; color: var(--color-muted); line-height: 1.6; }

/* ---------- Timeline --------------------------------------- */
.timeline { margin-top: 48px; }

.timeline__item {
  display: flex;
  gap: 20px;
  padding-bottom: 32px;
  position: relative;
}

.timeline__item:not(:last-child)::after {
  content: '';
  position: absolute;
  left: 19px;
  top: 42px;
  bottom: 0;
  width: 2px;
  background: var(--color-border);
}

.timeline__dot {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-surface-alt);
  border: 2px solid var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: .85rem;
  font-weight: 700;
  color: var(--color-primary);
}

.timeline__year { font-size: .8rem; color: var(--color-primary); font-weight: 600; margin-bottom: 4px; }
.timeline__title { font-size: 1rem; font-weight: 700; color: var(--color-white); margin-bottom: 4px; }
.timeline__desc { font-size: .88rem; color: var(--color-muted); }

/* ---------- Contact page ----------------------------------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 60px;
  align-items: start;
  margin-top: 60px;
}

.contact-info__title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 12px;
}

.contact-info__desc {
  color: var(--color-muted);
  margin-bottom: 32px;
}

.contact-methods { display: flex; flex-direction: column; gap: 16px; }

.contact-method {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: border-color var(--transition);
}
.contact-method:hover { border-color: var(--color-primary); }

.contact-method__icon {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  background: rgba(108,99,255,.12);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.contact-method__label { font-size: .78rem; color: var(--color-muted); }
.contact-method__value { font-size: .95rem; font-weight: 600; color: var(--color-white); }

/* ---------- Form ------------------------------------------- */
.form-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 36px;
}

.form-card__title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 24px;
}

.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

.form__group { margin-bottom: 20px; }

.form__label {
  display: block;
  font-size: .85rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 8px;
}

.form__input,
.form__select,
.form__textarea {
  width: 100%;
  padding: 12px 16px;
  background: var(--color-surface-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: .93rem;
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}

.form__input:focus,
.form__select:focus,
.form__textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(108,99,255,.18);
}

.form__textarea { resize: vertical; min-height: 130px; }

.form__select option { background: var(--color-surface-alt); }

.form__submit {
  width: 100%;
  padding: 14px;
  font-size: 1rem;
}

/* Success message */
.form__success {
  display: none;
  text-align: center;
  padding: 24px;
  background: rgba(108,99,255,.08);
  border: 1px solid rgba(108,99,255,.3);
  border-radius: var(--radius-md);
  color: var(--color-text);
  margin-top: 16px;
}

.form__success.show { display: block; }

/* ---------- Page header ------------------------------------ */
.page-header {
  padding: 72px 0 56px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-header::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 80% at 50% -20%, rgba(108,99,255,.15) 0%, transparent 70%);
  pointer-events: none;
}

.page-header__title {
  font-size: clamp(2rem, 4vw, 3rem);
  color: var(--color-white);
  margin-bottom: 12px;
}

.page-header__sub {
  font-size: 1.05rem;
  color: var(--color-muted);
  max-width: 540px;
  margin: 0 auto;
}

/* ---------- Filter bar (apps page) ------------------------- */
.filter-bar {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 40px;
}

.filter-btn {
  padding: 8px 20px;
  border-radius: 999px;
  font-size: .85rem;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid var(--color-border);
  background: transparent;
  color: var(--color-muted);
  transition: all var(--transition);
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
}

/* ---------- CTA Banner ------------------------------------- */
.cta-banner {
  background: linear-gradient(135deg, var(--color-surface) 0%, var(--color-surface-alt) 100%);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 60px 48px;
  text-align: center;
  position: relative;
  overflow: hidden;
  margin: 0 0 80px;
}

.cta-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 100% at 50% 50%, rgba(108,99,255,.12) 0%, transparent 70%);
  pointer-events: none;
}

.cta-banner__title {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  color: var(--color-white);
  margin-bottom: 12px;
}

.cta-banner__sub {
  color: var(--color-muted);
  margin-bottom: 28px;
  font-size: 1.05rem;
}

.cta-banner__actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* ---------- Footer ----------------------------------------- */
.footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding: 48px 0 28px;
  margin-top: auto;
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer__brand p {
  color: var(--color-muted);
  font-size: .9rem;
  margin-top: 12px;
  max-width: 240px;
  line-height: 1.6;
}

.footer__col-title {
  font-size: .8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--color-white);
  margin-bottom: 16px;
}

.footer__links { display: flex; flex-direction: column; gap: 10px; }

.footer__links a {
  font-size: .9rem;
  color: var(--color-muted);
}
.footer__links a:hover { color: var(--color-white); }

.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 24px;
  border-top: 1px solid var(--color-border);
  font-size: .85rem;
  color: var(--color-muted);
}

.footer__social { display: flex; gap: 12px; }

.footer__social a {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: var(--color-surface-alt);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-muted);
  font-size: .85rem;
  transition: border-color var(--transition), color var(--transition);
}
.footer__social a:hover { border-color: var(--color-primary); color: var(--color-primary); }

/* ---------- Responsive ------------------------------------- */
@media (max-width: 900px) {
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .about-body { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  :root { --nav-h: 60px; }

  .nav__links,
  .nav__cta { display: none; }

  .nav__links.mobile-open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: var(--nav-h);
    left: 0;
    right: 0;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    padding: 16px 24px;
    gap: 4px;
    z-index: 99;
  }

  .nav__cta.mobile-open { display: flex; padding: 0 24px 16px; }

  .nav__toggle { display: flex; }

  .footer__grid { grid-template-columns: 1fr; }
  .footer__bottom { flex-direction: column; gap: 16px; text-align: center; }

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

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

  .hero { padding: 60px 0 48px; }

  .cta-banner { padding: 40px 24px; }
}