/* ── CSS Custom Properties ────────────────────────────────────────────────── */

:root {
  --sc-black: #1d1d1f;
  --sc-text: #1d1d1f;
  --sc-text-secondary: #636366;
  --sc-text-tertiary: #737378;
  --sc-bg: #fff;
  --sc-bg-alt: #f5f5f7;
  --sc-border: #d2d2d7;
  --sc-font: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'SF Pro Text', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  --sc-radius: 12px;
  --sc-radius-sm: 8px;
  --sc-transition: 0.2s ease;
}

/* ── Reset / Global ──────────────────────────────────────────────────────── */

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--sc-font);
  color: var(--sc-text);
  line-height: 1.6;
  background: var(--sc-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.scalonsoft-main {
  flex: 1;
}

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

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

ul {
  list-style: none;
}

/* ── Skip Link ───────────────────────────────────────────────────────────── */

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 1000;
  padding: 0.5rem 1rem;
  background: var(--sc-black);
  color: #fff;
  font-size: 0.875rem;
  font-weight: 500;
}

.skip-link:focus {
  left: 0;
}

/* ── Site Header ─────────────────────────────────────────────────────────── */

.site-header {
  background: var(--sc-bg);
  border-bottom: 1px solid var(--sc-border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.site-header__inner {
  max-width: 980px;
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 5vw, 2rem);
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.site-header__brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  color: var(--sc-text);
  font-weight: 700;
  font-size: 1.125rem;
  letter-spacing: -0.02em;
}

.site-header__brand img {
  width: 56px;
  height: 56px;
  border-radius: 12px;
}

.site-nav__list {
  display: flex;
  gap: 1.5rem;
}

.site-nav__link {
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--sc-text);
  transition: color var(--sc-transition);
}

.site-nav__link:hover {
  color: var(--sc-text-secondary);
}

.site-nav__link[aria-current="page"] {
  font-weight: 600;
}

.site-nav__toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  color: var(--sc-text);
}

/* ── Site Footer ─────────────────────────────────────────────────────────── */

.site-footer {
  border-top: 1px solid var(--sc-border);
  padding: 2rem 0;
  text-align: center;
}

.site-footer__inner {
  max-width: 980px;
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 5vw, 2rem);
}

.site-footer__links {
  display: flex;
  gap: 1rem;
  justify-content: center;
  margin-bottom: 0.75rem;
}

.site-footer__links a {
  color: var(--sc-text-tertiary);
  transition: color var(--sc-transition);
}

.site-footer__links a:hover {
  color: var(--sc-text);
}

.site-footer__copy {
  font-size: 0.75rem;
  color: var(--sc-text-tertiary);
}

/* ── Layout ───────────────────────────────────────────────────────────────── */

.scalonsoft-container {
  max-width: 980px;
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 5vw, 2rem);
  box-sizing: border-box;
}

.scalonsoft-container--wide {
  max-width: 1100px;
}

.scalonsoft-section {
  padding: clamp(2rem, 5vw, 3.5rem) 0;
}

.scalonsoft-section--alt {
  background-color: var(--sc-bg-alt);
}

.scalonsoft-section--compact {
  padding: clamp(0.75rem, 2vw, 1.25rem) 0;
}

.scalonsoft-section__title {
  font-size: clamp(1.25rem, 3vw, 1.625rem);
  font-weight: 600;
  letter-spacing: -0.025em;
  margin-bottom: 0.5rem;
  color: var(--sc-text);
  text-align: center;
}

.scalonsoft-section__text {
  font-size: clamp(0.9375rem, 2vw, 1.0625rem);
  color: var(--sc-text-secondary);
  max-width: 540px;
  margin: 0 auto 1.5rem;
  text-align: center;
  line-height: 1.65;
}

/* ── Page Header ──────────────────────────────────────────────────────────── */

.scalonsoft-page-header {
  text-align: center;
  padding-bottom: 0;
}

.scalonsoft-page-header__title {
  font-size: clamp(1.75rem, 4.5vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--sc-text);
  margin-bottom: 0.25rem;
}

.scalonsoft-page-header__rule {
  border: none;
  border-top: 2px solid var(--sc-border);
  width: 60px;
  margin: 1.25rem auto 0;
}

.scalonsoft-page-header__subtitle {
  font-size: clamp(0.9375rem, 2vw, 1.0625rem);
  color: var(--sc-text-secondary);
  font-weight: 400;
  letter-spacing: -0.01em;
  margin: 0;
}

/* ── Hero ─────────────────────────────────────────────────────────────────── */

.scalonsoft-hero {
  text-align: center;
  padding: clamp(6rem, 20vw, 14rem) 0;
  background: var(--sc-bg);
  min-height: 60vh;
  display: flex;
  align-items: center;
}

.scalonsoft-hero > .scalonsoft-container {
  width: 100%;
}

.scalonsoft-hero__logo {
  margin: 0 auto 1.5rem;
}

.scalonsoft-hero__title {
  font-size: clamp(2.5rem, 7vw, 4rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  margin-bottom: 0.5rem;
  color: var(--sc-text);
}

.scalonsoft-hero__tagline {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  color: var(--sc-text-secondary);
  margin-bottom: 2rem;
}

.scalonsoft-hero__cta {
  display: flex;
  gap: 0.75rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* ── Buttons ──────────────────────────────────────────────────────────────── */

.scalonsoft-btn {
  display: inline-block;
  padding: 0.5rem 1.5rem;
  border-radius: 980px;
  font-size: 0.875rem;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  transition: background var(--sc-transition), color var(--sc-transition), opacity var(--sc-transition);
  border: none;
  font-family: var(--sc-font);
  line-height: 1.5;
  letter-spacing: -0.01em;
}

.scalonsoft-btn--primary {
  background: var(--sc-black);
  color: #fff;
}

.scalonsoft-btn--primary:hover {
  background: #000;
  color: #fff;
  opacity: 0.85;
}

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

.scalonsoft-btn--secondary:hover {
  background: var(--sc-bg-alt);
  color: var(--sc-text);
}

/* Text link style */
.scalonsoft-link {
  color: var(--sc-text-secondary);
  text-decoration: none;
  font-size: 0.9375rem;
  font-weight: 500;
  transition: color var(--sc-transition);
}

.scalonsoft-link:hover {
  color: var(--sc-text);
}

.scalonsoft-link::after {
  content: ' \203A';
}

/* ── App Cards Grid ───────────────────────────────────────────────────────── */

.scalonsoft-apps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.scalonsoft-apps-grid--featured {
  max-width: 380px;
  margin-left: auto;
  margin-right: auto;
}

/* Wide horizontal layout for apps page */
.scalonsoft-apps-grid--wide {
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 0.75rem;
}

/* Compact inline layout — all cards in one row */
.scalonsoft-apps-grid--inline {
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.scalonsoft-app-card {
  background: var(--sc-bg);
  border: 1px solid var(--sc-border);
  border-radius: var(--sc-radius-sm);
  padding: 0.75rem 0.75rem;
  text-align: center;
  transition: box-shadow var(--sc-transition);
}

.scalonsoft-app-card:hover {
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
}

.scalonsoft-app-card__icon {
  font-size: 1.75rem;
  display: block;
  margin-bottom: 0.5rem;
}

.scalonsoft-app-card__name {
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 0.15rem;
  color: var(--sc-text);
}

.scalonsoft-app-card__desc {
  font-size: 0.75rem;
  color: var(--sc-text-secondary);
  line-height: 1.4;
  margin-bottom: 0.35rem;
}

.scalonsoft-app-card__stores {
  display: flex;
  gap: 0.5rem;
  justify-content: center;
}

.scalonsoft-store-link {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.625rem;
  font-weight: 500;
  color: var(--sc-text-secondary);
  text-decoration: none;
  transition: color var(--sc-transition);
}

.scalonsoft-store-link:hover {
  color: var(--sc-text);
}

.scalonsoft-store-link svg {
  width: 12px;
  height: 12px;
  fill: currentColor;
}

.scalonsoft-store-link--disabled {
  color: var(--sc-text-tertiary);
  opacity: 0.5;
  pointer-events: none;
}

.scalonsoft-apps-disclaimer {
  font-size: 0.6875rem;
  color: var(--sc-text-tertiary);
  text-align: center;
  margin: 0;
  line-height: 1.4;
}

/* ── Contact Links ───────────────────────────────────────────────────────── */

.scalonsoft-contact-links {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  flex-wrap: wrap;
}

.scalonsoft-contact-links__item {
  color: var(--sc-text-secondary);
  text-decoration: none;
  font-size: 0.875rem;
  transition: color var(--sc-transition);
}

a.scalonsoft-contact-links__item:hover {
  color: var(--sc-text);
}

/* ── About Page — Intro ───────────────────────────────────────────────────── */

.scalonsoft-about-intro {
  max-width: 600px;
  margin: 0 auto;
  text-align: center;
}

.scalonsoft-about-intro__lead {
  font-size: clamp(1rem, 2.5vw, 1.1875rem);
  color: var(--sc-text-tertiary);
  font-style: italic;
  line-height: 1.7;
  margin-bottom: 2.5rem;
}

.scalonsoft-about-intro h2 {
  font-size: clamp(1.375rem, 3vw, 1.75rem);
  font-weight: 700;
  letter-spacing: -0.025em;
  margin-bottom: 0.15rem;
}

.scalonsoft-about-intro__role {
  font-size: 0.9375rem;
  color: var(--sc-text-secondary);
  font-weight: 500;
  margin-bottom: 0.5rem;
}

/* ── Social Pins ──────────────────────────────────────────────────────────── */

.scalonsoft-social-pins {
  display: flex;
  gap: 0.4rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 1.25rem;
}

.scalonsoft-social-pin {
  display: inline-flex;
  align-items: center;
  gap: 0;
  font-size: 0;
  color: var(--sc-text-tertiary);
  text-decoration: none;
  padding: 0.35rem;
  border: 1px solid var(--sc-border);
  border-radius: 50%;
  transition: color var(--sc-transition), border-color var(--sc-transition);
  line-height: 1;
}

.scalonsoft-social-pin:hover {
  color: var(--sc-text);
  border-color: var(--sc-text-tertiary);
}

.scalonsoft-social-pin svg {
  width: 16px;
  height: 16px;
  fill: currentColor;
}

.scalonsoft-about-intro p {
  color: var(--sc-text-secondary);
  line-height: 1.65;
  margin-bottom: 0.75rem;
  font-size: 0.9375rem;
}

/* ── Timeline ─────────────────────────────────────────────────────────────── */

.scalonsoft-timeline {
  max-width: 600px;
  margin: 0 auto;
  position: relative;
  padding-left: 1.5rem;
}

.scalonsoft-timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 1px;
  background: var(--sc-border);
}

.scalonsoft-timeline__group {
  position: relative;
  padding-bottom: 1.5rem;
  padding-left: 0.75rem;
}

.scalonsoft-timeline__group::before {
  content: '';
  position: absolute;
  left: -1.85rem;
  top: 0.45rem;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--sc-text-tertiary);
  border: 2px solid var(--sc-bg-alt);
}

.scalonsoft-timeline__group:last-child {
  padding-bottom: 0;
}

.scalonsoft-timeline__company {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--sc-text);
  margin: 0 0 0.1rem;
  letter-spacing: -0.01em;
}

.scalonsoft-timeline__period {
  font-size: 0.6875rem;
  font-weight: 600;
  color: var(--sc-text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.scalonsoft-timeline__desc {
  font-size: 0.8125rem;
  color: var(--sc-text-secondary);
  line-height: 1.4;
  margin: 0.25rem 0 0;
}

.scalonsoft-timeline__roles {
  list-style: none;
  padding: 0;
  margin: 0.5rem 0 0;
}

.scalonsoft-timeline__roles li {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 0.3rem 0;
  border-top: 1px solid var(--sc-border);
}

.scalonsoft-timeline__roles li:first-child {
  border-top: none;
}

.scalonsoft-timeline__roles strong {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--sc-text);
}

.scalonsoft-timeline__roles span {
  font-size: 0.6875rem;
  color: var(--sc-text-tertiary);
  white-space: nowrap;
  margin-left: 1rem;
}

/* ── Skills Grid ──────────────────────────────────────────────────────────── */

.scalonsoft-skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 0.75rem;
  max-width: 740px;
  margin: 0 auto;
}

.scalonsoft-skill-card {
  background: var(--sc-bg);
  border: 1px solid var(--sc-border);
  border-radius: var(--sc-radius-sm);
  padding: 0.875rem 1rem;
}

.scalonsoft-skill-card h3 {
  font-size: 0.8125rem;
  font-weight: 600;
  margin-bottom: 0.15rem;
  color: var(--sc-text);
  letter-spacing: -0.01em;
}

.scalonsoft-skill-card p {
  font-size: 0.75rem;
  color: var(--sc-text-secondary);
  line-height: 1.4;
}

/* ── Section link centering ───────────────────────────────────────────────── */

.scalonsoft-section > .scalonsoft-container > .scalonsoft-link,
.scalonsoft-section > .scalonsoft-container > .scalonsoft-btn {
  display: block;
  width: fit-content;
  margin: 0 auto;
}

/* ── Responsive ───────────────────────────────────────────────────────────── */

@media (max-width: 768px) {
  .site-nav__toggle {
    display: block;
  }

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

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

  .site-nav__list {
    flex-direction: column;
    align-items: center;
    gap: 0;
  }

  .site-nav__link {
    display: block;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
  }

  .scalonsoft-apps-grid,
  .scalonsoft-apps-grid--wide,
  .scalonsoft-apps-grid--inline {
    grid-template-columns: 1fr;
  }

  .scalonsoft-skills-grid {
    grid-template-columns: 1fr;
  }

  .scalonsoft-timeline {
    padding-left: 1.25rem;
  }

  .scalonsoft-timeline__item::before {
    left: -1.6rem;
  }

  .scalonsoft-btn {
    width: 100%;
    max-width: 260px;
    text-align: center;
  }
}