/* ============================================================
   Design tokens
   ============================================================ */
:root {
  --color-primary:     #1a1a1a;
  --color-primary-mid: #2d2d2d;
  --color-accent:      #ae0202;
  --color-accent-light:#c41a1a;
  --color-bg:          #ffffff;
  --color-bg-alt:      #f8f5f5;
  --color-text:        #111827;
  --color-text-muted:  #6b7280;
  --color-border:      #e5e7eb;
  --color-icon-bg:     #fdf2f2;
  --color-success:     #16a34a;

  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;

  --radius:   0.5rem;
  --radius-lg:1rem;

  --nav-height: 4rem;
  --container:  1200px;
  --container-narrow: 720px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-height);
}

body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: 2px;
}

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

ul {
  list-style: none;
}

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

/* ============================================================
   Layout helpers
   ============================================================ */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: 1.5rem;
}

.container--narrow {
  max-width: var(--container-narrow);
}

/* ============================================================
   Navigation
   ============================================================ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  z-index: 100;
}

.nav__inner {
  height: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.nav__logo {
  flex-shrink: 0;
  display: flex;
  align-items: center;
}

.nav__logo img {
  height: 1.875rem;
  width: auto;
}

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

.nav__link {
  padding: 0.4rem 0.75rem;
  border-radius: var(--radius);
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  transition: color 0.15s, background 0.15s;
}

.nav__link:hover {
  color: var(--color-text);
  background: var(--color-bg-alt);
}

.nav__link--cta {
  margin-left: 0.5rem;
  padding: 0.4rem 1rem;
  background: var(--color-accent);
  color: #fff;
  font-weight: 600;
  border-radius: var(--radius);
}

.nav__link--cta:hover {
  background: var(--color-accent-light);
  color: #fff;
}

/* Hamburger */
.nav__hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 0.3125rem;
  width: 2.75rem;
  height: 2.75rem;
  padding: 0.25rem;
  border-radius: var(--radius);
}

.nav__hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-primary);
  border-radius: 2px;
  transition: transform 0.25s, opacity 0.25s;
}

.nav__hamburger[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav__hamburger[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}
.nav__hamburger[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ============================================================
   Buttons
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 1.5rem;
  border-radius: var(--radius);
  font-size: 0.9375rem;
  font-weight: 600;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
  white-space: nowrap;
}

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

.btn--primary:hover {
  background: var(--color-accent-light);
}

.btn--ghost {
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  padding: 0.5rem 0.875rem;
  font-size: 0.875rem;
}

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

.btn--ghost.copied {
  border-color: var(--color-success);
  color: var(--color-success);
}

/* ============================================================
   Sections
   ============================================================ */
.section {
  padding-block: 5rem;
}

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

.section__label {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 0.75rem;
}

.section__heading {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--color-primary);
  margin-bottom: 1.25rem;
}

.section__intro {
  font-size: 1.0625rem;
  color: var(--color-text-muted);
  max-width: 56ch;
  margin-bottom: 3rem;
}

.section__body {
  font-size: 1.0625rem;
  color: var(--color-text-muted);
  max-width: 60ch;
}

/* ============================================================
   Hero
   ============================================================ */
.hero {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-mid) 100%);
  padding-top: calc(var(--nav-height) + 4rem);
  padding-bottom: 4rem;
  overflow: hidden;
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr 440px;
  gap: 3rem;
  align-items: center;
}

.hero__content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1.5rem;
}

.hero__heading {
  font-size: clamp(2.25rem, 6vw, 3.75rem);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: #fff;
}

.hero__sub {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  color: rgba(255, 255, 255, 0.75);
  max-width: 52ch;
}

.hero__images {
  position: relative;
  display: flex;
  align-items: center;
}

.hero__img-desktop {
  display: block;
  width: 392px;
  height: 259px;
  border-radius: var(--radius);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5);
}

.hero__img-phone {
  position: absolute;
  width: 107px;
  height: 213px;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  filter: drop-shadow(0 8px 32px rgba(0, 0, 0, 0.6));
}

/* ============================================================
   Features grid
   ============================================================ */
.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin-top: 3rem;
}

.feature-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: box-shadow 0.2s;
}

.feature-card:hover {
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.07);
}

.feature-card__icon {
  width: 3rem;
  height: 3rem;
  background: var(--color-icon-bg);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  margin-bottom: 1.25rem;
}

.feature-card__title {
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
}

.feature-card__body {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  line-height: 1.65;
}

/* ============================================================
   Team grid
   ============================================================ */
.team__inner {
  max-width: calc(3 * 260px + 2 * 2rem);
  margin-inline: auto;
}

.team-grid {
  display: flex;
  gap: 2rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 3rem;
}

.team-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2rem 2.5rem;
  text-align: center;
  flex: 1 1 200px;
  max-width: 260px;
}

.team-card__avatar {
  width: 9rem;
  height: 9rem;
  border-radius: 50%;
  object-fit: cover;
  object-position: center top;
  display: block;
  margin: 0 auto 1.25rem;
}

.team-card__name {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 0.25rem;
}

.team-card__role {
  font-size: 0.875rem;
  color: var(--color-accent);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* ============================================================
   Contact
   ============================================================ */
.contact__columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.contact__email-row {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  margin-top: 2rem;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1rem 1.25rem;
}

.contact__email {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-primary);
}

.contact__email:hover {
  color: var(--color-accent);
  text-decoration: underline;
}

.contact__business-heading {
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--color-primary);
  margin-bottom: 1.25rem;
}

.contact__business-row {
  display: grid;
  grid-template-columns: 9rem 1fr;
  gap: 0.25rem 1rem;
  font-size: 0.875rem;
  padding-block: 0.5rem;
  border-bottom: 1px solid var(--color-border);
}

.contact__business-row:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.contact__business-row dt {
  color: var(--color-text-muted);
  font-weight: 500;
}

.contact__business-row dd {
  color: var(--color-primary);
  font-weight: 500;
}

.contact__linkedin {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1.5rem;
  color: var(--color-text-muted);
  font-size: 0.9375rem;
  font-weight: 500;
  transition: color 0.15s;
}

.contact__linkedin:hover {
  color: var(--color-accent);
}

/* ============================================================
   Footer
   ============================================================ */
.footer {
  background: var(--color-primary);
  padding-block: 1.5rem;
}

.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.footer__copy {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.55);
}

.footer__link {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.55);
  transition: color 0.15s;
}

.footer__link:hover {
  color: #fff;
}

/* ============================================================
   Privacy Policy
   ============================================================ */
.policy {
  padding-top: calc(var(--nav-height) + 3rem);
  padding-bottom: 5rem;
}

.policy h1 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
}

.policy__date {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-bottom: 3rem;
}

.policy h2 {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-top: 2.5rem;
  margin-bottom: 0.75rem;
}

.policy p,
.policy li {
  font-size: 1rem;
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: 0.75rem;
}

.policy ul {
  list-style: disc;
  padding-left: 1.5rem;
}

.policy a {
  color: var(--color-accent);
  text-decoration: underline;
}

/* ============================================================
   Responsive — Tablet (≤ 1024px)
   ============================================================ */
@media (max-width: 1024px) {
  .features-grid {
    gap: 1.25rem;
  }

  .team-card {
    max-width: 220px;
  }
}

/* ============================================================
   Responsive — Tablet (≤ 768px)
   ============================================================ */
@media (max-width: 768px) {
  .hero .container {
    grid-template-columns: 1fr;
  }

  .hero__images {
    width: 100%;
    max-width: 300px;
  }

  .hero__img-desktop {
    width: 85%;
    height: auto;
  }

  .hero__img-phone {
    width: 23%;
    height: auto;
  }

  .section {
    padding-block: 3.5rem;
  }

  /* Nav */
  .nav__hamburger {
    display: flex;
  }

  .nav__links {
    display: none;
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
    flex-direction: column;
    align-items: stretch;
    padding: 0.75rem 1rem 1.25rem;
    gap: 0.25rem;
  }

  .nav__links.is-open {
    display: flex;
    animation: navSlideDown 0.18s ease-out;
  }

  @keyframes navSlideDown {
    from { opacity: 0; transform: translateY(-0.4rem); }
    to   { opacity: 1; transform: translateY(0); }
  }

  .nav__link {
    padding: 0.875rem 1rem;
    font-size: 1rem;
    color: var(--color-text);
  }

  .nav__links li:has(.nav__link--cta) {
    border-top: 1px solid var(--color-border);
    padding-top: 0.75rem;
    margin-top: 0.5rem;
  }

  .nav__link--cta {
    margin-left: 0;
    text-align: center;
    padding: 0.875rem 1rem;
  }

  /* Features: single column on tablet */
  .features-grid {
    grid-template-columns: 1fr;
  }

  /* Team: wrap naturally */
  .team-grid {
    gap: 1.25rem;
  }

  .team-card {
    max-width: 100%;
    flex: 1 1 calc(50% - 0.625rem);
  }
}

/* ============================================================
   Responsive — Mobile (≤ 480px)
   ============================================================ */
@media (max-width: 480px) {
  .hero {
    padding-top: calc(var(--nav-height) + 3rem);
    padding-bottom: 3rem;
  }

  .hero__heading {
    font-size: 2rem;
  }

  .section__heading {
    font-size: 1.625rem;
  }

  .team-card {
    flex: 1 1 100%;
    max-width: 100%;
    padding: 1.5rem;
  }

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

  .contact__email-row {
    flex-direction: column;
    width: 100%;
  }

  .contact__email {
    font-size: 1rem;
  }

  .contact__business-row {
    grid-template-columns: 1fr;
    gap: 0.125rem;
  }

  .contact__business-row dt {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
  }

  .footer__inner {
    flex-direction: column;
    text-align: center;
  }
}