/* ═══════════════════════════════════════════════════════
   Tempo Simulation — style.css
   Theme: clean, technical, black on white
   ═══════════════════════════════════════════════════════ */

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

:root {
  --black:      #0a0a0a;
  --white:      #ffffff;
  --gray-50:    #f9f9f9;
  --gray-100:   #f0f0f0;
  --gray-200:   #e0e0e0;
  --gray-400:   #999999;
  --gray-600:   #555555;
  --accent:     #0a0a0a;   /* keep monochrome; swap for a brand colour later */

  --nav-height: 64px;
  --max-width:  1160px;
  --radius:     4px;

  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  color: var(--black);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
}

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

ul { list-style: none; }

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

button {
  font-family: inherit;
  cursor: pointer;
  background: none;
  border: none;
}

/* ── Layout helpers ──────────────────────────────────── */
.inner {
  width: 100%;
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: 2rem;
}

/* ══════════════════════════════════════════════════════
   NAV
   ══════════════════════════════════════════════════════ */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--white);
  border-bottom: 1px solid var(--gray-200);
  height: var(--nav-height);
}

.nav-inner {
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: 2rem;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  display: flex;
  align-items: baseline;
  gap: 0.2ch;
}

.logo-tempo { color: var(--black); }
.logo-sim   { color: var(--gray-600); font-weight: 400; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.45rem 0.85rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--gray-600);
  border-radius: var(--radius);
  transition: color 0.15s, background 0.15s;
}

.nav-link:hover {
  color: var(--black);
  background: var(--gray-100);
}

.nav-icon {
  width: 15px;
  height: 15px;
  flex-shrink: 0;
}

.nav-contact-btn {
  padding: 0.45rem 0.85rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--white);
  background: var(--black);
  border-radius: var(--radius);
  transition: opacity 0.15s;
}

.nav-contact-btn:hover { opacity: 0.8; }

/* ══════════════════════════════════════════════════════
   HERO
   ══════════════════════════════════════════════════════ */
.hero {
  padding-block: 6rem 5rem;
  background: var(--white);
}

.hero-inner {
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: 2rem;
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.hero-headline {
  font-size: clamp(2rem, 4vw, 3.25rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--black);
  white-space: nowrap;
}

.hero-columns {
  display: grid;
  grid-template-columns: 1fr 1.8fr;
  gap: 4rem;
  align-items: start;
}

.hero-text {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.hero-subtitle {
  font-size: 1.1rem;
  color: var(--gray-600);
  line-height: 1.5;
}

.hero-features {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.hero-features li {
  font-size: 1.05rem;
  color: var(--gray-600);
  padding-left: 1.25rem;
  position: relative;
  line-height: 1.5;
}

.hero-features li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 6px;
  height: 6px;
  background: var(--black);
  border-radius: 50%;
}

.hero-platforms {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.platform-item {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--gray-600);
}

.platform-icon {
  width: 15px;
  height: 15px;
  flex-shrink: 0;
}

.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  align-self: flex-start;
  padding: 0.7rem 1.35rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--white);
  background: var(--black);
  border-radius: var(--radius);
  transition: opacity 0.15s;
}

.hero-cta:hover { opacity: 0.8; }

.hero-media {
  position: relative;
}

.hero-video {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: 6px;
  border: 1px solid var(--gray-200);
  background: var(--gray-100);
}

/* ══════════════════════════════════════════════════════
   PLUGINS
   ══════════════════════════════════════════════════════ */
.plugins {
  padding-block: 5rem 6rem;
  background: var(--gray-50);
  border-top: 1px solid var(--gray-200);
}

.plugins-inner {
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: 2rem;
}

.section-title {
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: -0.025em;
  margin-bottom: 0.5rem;
}

.section-subtitle {
  font-size: 1.25rem;
  color: var(--gray-600);
  margin-bottom: 3rem;
}

.plugin-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.plugin-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  background: transparent;
  border-radius: 6px;
  overflow: hidden;
}


.plugin-card:nth-child(odd) .plugin-image-wrap { order: 2; }
.plugin-card:nth-child(odd) .plugin-info       { order: 1; }

.plugin-image-wrap {
  overflow: hidden;
  aspect-ratio: 16 / 10;
  background: var(--gray-100);
}

.plugin-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 6px;
}


.plugin-info {
  padding: 2.5rem 3rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.75rem;
}

.plugin-name {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.plugin-desc {
  font-size: 0.95rem;
  color: var(--gray-600);
  line-height: 1.6;
  max-width: 42ch;
}

.plugin-link {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--black);
  opacity: 0.5;
  transition: opacity 0.15s;
  align-self: flex-start;
}

.plugin-link:hover { opacity: 1; }

/* ══════════════════════════════════════════════════════
   FOOTER
   ══════════════════════════════════════════════════════ */
.footer {
  border-top: 1px solid var(--gray-200);
  background: var(--white);
  padding-block: 1.75rem;
}

.footer-inner {
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.footer-copy {
  font-size: 0.8rem;
  color: var(--gray-400);
}

.footer-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.footer-links a,
.footer-contact-btn {
  font-size: 0.8rem;
  color: var(--gray-400);
  font-weight: 500;
  transition: color 0.15s;
}

.footer-links a:hover,
.footer-contact-btn:hover { color: var(--black); }

/* ══════════════════════════════════════════════════════
   CONTACT MODAL
   ══════════════════════════════════════════════════════ */
.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(0, 0, 0, 0.45);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s;
}

.modal-backdrop.is-open {
  opacity: 1;
  pointer-events: all;
}

.modal {
  background: var(--white);
  border-radius: 8px;
  padding: 2.5rem;
  width: 100%;
  max-width: 480px;
  position: relative;
  transform: translateY(12px);
  transition: transform 0.2s;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

.modal-backdrop.is-open .modal { transform: translateY(0); }

.modal-close {
  position: absolute;
  top: 1rem;
  right: 1.25rem;
  font-size: 1.4rem;
  color: var(--gray-400);
  line-height: 1;
  transition: color 0.15s;
}

.modal-close:hover { color: var(--black); }

.modal-title {
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.35rem;
}

.modal-subtitle {
  font-size: 0.875rem;
  color: var(--gray-600);
  margin-bottom: 1.75rem;
}

/* ── Contact form ─────────────────────────────────────── */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-label {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--gray-600);
}

.form-input,
.form-textarea {
  font-family: inherit;
  font-size: 0.9rem;
  color: var(--black);
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 0.65rem 0.85rem;
  transition: border-color 0.15s, box-shadow 0.15s;
  width: 100%;
  resize: none;
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--black);
  box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.07);
}

.form-input::placeholder,
.form-textarea::placeholder { color: var(--gray-400); }

.form-submit {
  padding: 0.75rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--white);
  background: var(--black);
  border-radius: var(--radius);
  margin-top: 0.25rem;
  transition: opacity 0.15s;
}

.form-submit:hover { opacity: 0.8; }

.form-success {
  display: none;
  text-align: center;
  font-size: 0.875rem;
  color: var(--gray-600);
  padding: 0.5rem;
}

/* ══════════════════════════════════════════════════════
   RESPONSIVE
   ══════════════════════════════════════════════════════ */
@media (max-width: 900px) {
  .hero-headline {
    white-space: normal;
  }

  .hero-columns {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .hero {
    padding-block: 4rem 3.5rem;
  }

  .plugin-card {
    grid-template-columns: 1fr;
  }

  .plugin-card:nth-child(odd) .plugin-image-wrap { order: 0; }
  .plugin-card:nth-child(odd) .plugin-info       { order: 0; }

  .plugin-image-wrap {
    border-radius: 6px 6px 0 0;
  }

  .plugin-info {
    padding: 1.75rem 2rem;
  }
}

@media (max-width: 600px) {
  .nav-inner { padding-inline: 1.25rem; }

  .nav-logo { font-size: 0.95rem; }

  .nav-links { gap: 0; }

  .nav-link { padding: 0.4rem 0.6rem; font-size: 0.8rem; }

  .hero-inner { padding-inline: 1.25rem; }

  .hero-headline { font-size: 2rem; }

  .plugins-inner { padding-inline: 1.25rem; }

  .footer-inner { flex-direction: column; align-items: flex-start; }
}