/* ── Reset & Base ─────────────────────────────── */

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;
  font-size: 1rem;
  line-height: 1.6;
  color: #141414;
  background: #fff;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

ul {
  list-style: none;
}

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

.container {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ── Header / Nav ─────────────────────────────── */

.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 3.75rem;
}

.nav-logo {
  font-weight: 900;
  font-size: 1.25rem;
  letter-spacing: -0.04em;
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.lang-switcher {
  display: flex;
  gap: 2px;
  background: #f2f2f2;
  border-radius: 8px;
  padding: 3px;
}

.lang-btn {
  font-family: inherit;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.3rem 0.6rem;
  border: none;
  border-radius: 6px;
  background: transparent;
  color: #888;
  cursor: pointer;
  transition: all 0.2s;
  line-height: 1;
}

.lang-btn:hover {
  color: #1a1a1a;
}

.lang-btn.active {
  background: #fff;
  color: #1a1a1a;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.08);
}

.nav-toggle {
  display: flex;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: #1a1a1a;
  border-radius: 2px;
  transition: transform 0.25s, opacity 0.25s;
}

.nav-toggle.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.nav-links {
  display: none;
  position: absolute;
  top: 3.75rem;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
  padding: 1.25rem 1.5rem;
}

.nav-links.open {
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
}

.nav-links a {
  font-size: 0.9375rem;
  font-weight: 500;
  color: #555;
  transition: color 0.2s;
}

.nav-links a:hover {
  color: #1a1a1a;
}

/* ── Section shared ───────────────────────────── */

.section-title {
  font-size: 1.75rem;
  font-weight: 800;
  letter-spacing: -0.035em;
  margin-bottom: 1rem;
  line-height: 1.15;
}

.section-header {
  margin-bottom: 3rem;
}

.section-header--center {
  text-align: center;
}

.section-subtitle {
  font-size: 1.0625rem;
  color: #666;
  line-height: 1.6;
  max-width: 480px;
}

.section-header--center .section-subtitle {
  margin-left: auto;
  margin-right: auto;
}

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

@keyframes hero-gradient {
  0%, 100% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
}

.hero {
  position: relative;
  padding: 5rem 0 4.5rem;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(
      135deg,
      rgba(245, 240, 255, 0.7) 0%,
      rgba(240, 248, 255, 0.5) 25%,
      rgba(255, 245, 240, 0.4) 50%,
      rgba(240, 255, 245, 0.5) 75%,
      rgba(248, 240, 255, 0.6) 100%
    );
  background-size: 300% 300%;
  animation: hero-gradient 20s ease infinite;
  pointer-events: none;
}

.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 50% 70% at 20% 90%, rgba(200, 180, 255, 0.12) 0%, transparent 70%),
    radial-gradient(ellipse 40% 50% at 80% 10%, rgba(180, 220, 255, 0.1) 0%, transparent 60%);
}

.hero .container {
  position: relative;
  z-index: 1;
}

.hero-greeting {
  font-size: 0.9375rem;
  font-weight: 600;
  color: #888;
  letter-spacing: 0.02em;
  margin-bottom: 0.625rem;
}

.hero-name {
  font-size: 2.5rem;
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 1.05;
}

.hero-title {
  font-size: 1.25rem;
  font-weight: 500;
  color: #555;
  margin-top: 0.625rem;
  letter-spacing: -0.01em;
}

.hero-subtitle {
  margin-top: 1.5rem;
  font-size: 1.125rem;
  color: #444;
  max-width: 500px;
  line-height: 1.65;
  letter-spacing: -0.005em;
}

.hero-checklist {
  margin-top: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
}

.hero-checklist li {
  font-size: 0.9375rem;
  color: #555;
  padding-left: 1.625rem;
  position: relative;
  line-height: 1.5;
}

.hero-checklist li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.375rem;
  width: 9px;
  height: 5px;
  border-left: 2.5px solid #1a1a1a;
  border-bottom: 2.5px solid #1a1a1a;
  transform: rotate(-45deg);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.875rem;
  margin-top: 2.25rem;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: inherit;
  font-size: 0.9375rem;
  font-weight: 600;
  padding: 0.7rem 1.625rem;
  border-radius: 10px;
  border: none;
  cursor: pointer;
  transition: all 0.25s cubic-bezier(0.22, 1, 0.36, 1);
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: #1a1a1a;
  color: #fff;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
}

.btn-primary:hover {
  background: #333;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.16);
}

.btn-secondary {
  background: #f0f0f0;
  color: #1a1a1a;
}

.btn-secondary:hover {
  background: #e4e4e4;
}

.btn-lg {
  padding: 0.875rem 2.25rem;
  font-size: 1rem;
  border-radius: 12px;
}

/* ── Problems ─────────────────────────────────── */

.problems {
  padding: 5rem 0;
  background: #fafafa;
}

.problems-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

/* ── Services ─────────────────────────────────── */

.services {
  padding: 5rem 0;
}

.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

.card {
  background: #fff;
  border: 1px solid #ebebeb;
  border-radius: 14px;
  padding: 2rem 1.75rem;
  transition: all 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}

.card:hover {
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.07);
  transform: translateY(-4px);
  border-color: #ddd;
}

.card-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #f5f5f5;
  border-radius: 12px;
  color: #1a1a1a;
  margin-bottom: 1.25rem;
}

.card-title {
  font-size: 1.0625rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
}

.card-text {
  font-size: 0.9375rem;
  color: #666;
  line-height: 1.6;
}

/* ── How it works ────────────────────────────── */

.how {
  padding: 5rem 0;
}

.how-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

.how-step {
  text-align: center;
}

.how-number {
  width: 44px;
  height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.125rem;
  font-weight: 800;
  background: #1a1a1a;
  color: #fff;
  border-radius: 50%;
  margin-bottom: 1.25rem;
}

.how-step-title {
  font-size: 1.0625rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
}

.how-step-text {
  font-size: 0.9375rem;
  color: #666;
  line-height: 1.6;
  max-width: 280px;
  margin: 0 auto;
}

/* ── About ────────────────────────────────────── */

.about {
  padding: 5rem 0;
  background: #fafafa;
}

.about-content {
  max-width: 680px;
}

.about-content p {
  font-size: 1.0625rem;
  color: #444;
  line-height: 1.75;
}

.about-content p + p {
  margin-top: 1.125rem;
}

/* ── Audit ────────────────────────────────────── */

.audit {
  padding: 5rem 0;
}

.audit-layout {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.audit-content {
  max-width: 600px;
}

.audit-text {
  font-size: 1rem;
  color: #444;
  line-height: 1.75;
  margin-bottom: 2rem;
}

.audit-checklist {
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
  background: #f8f8f8;
  border-radius: 14px;
  padding: 2rem 2rem;
}

.audit-checklist li {
  font-size: 0.9375rem;
  font-weight: 500;
  color: #333;
  padding-left: 1.625rem;
  position: relative;
  line-height: 1.5;
}

.audit-checklist li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.375rem;
  width: 9px;
  height: 5px;
  border-left: 2.5px solid #1a1a1a;
  border-bottom: 2.5px solid #1a1a1a;
  transform: rotate(-45deg);
}

/* ── Pricing ──────────────────────────────────── */

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

.pricing {
  padding: 5rem 0;
  background: #fafafa;
}

.pricing-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  align-items: stretch;
}

.pricing-card {
  position: relative;
  background: #fff;
  border: 1px solid #ebebeb;
  border-radius: 16px;
  padding: 2.25rem 1.75rem 2rem;
  display: flex;
  flex-direction: column;
  transition: all 0.35s cubic-bezier(0.22, 1, 0.36, 1);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

.pricing-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
}

.pricing-card--popular {
  background: #1a1a1a;
  border-color: #1a1a1a;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.18);
  padding-top: 2.75rem;
}

.pricing-card--popular:hover {
  transform: translateY(-8px);
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.24);
}

.pricing-card--popular .pricing-plan,
.pricing-card--popular .pricing-price,
.pricing-card--popular .pricing-features li {
  color: #fff;
}

.pricing-card--popular .pricing-price span {
  color: rgba(255, 255, 255, 0.5);
}

.pricing-card--popular .pricing-hours {
  color: rgba(255, 255, 255, 0.5);
  border-bottom-color: rgba(255, 255, 255, 0.12);
}

.pricing-card--popular .pricing-features li::before {
  border-color: #fff;
}

.pricing-card--popular .pricing-btn {
  background: #fff;
  color: #1a1a1a;
}

.pricing-card--popular .pricing-btn:hover {
  background: #f0f0f0;
}

.pricing-badge {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translate(-50%, -50%);
  background: #fff;
  color: #1a1a1a;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.35rem 1.125rem;
  border-radius: 100px;
  white-space: nowrap;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.12);
}

.pricing-plan {
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #888;
  margin-bottom: 0.75rem;
}

.pricing-card--popular .pricing-plan {
  color: rgba(255, 255, 255, 0.5);
}

.pricing-price {
  font-size: 2.75rem;
  font-weight: 900;
  letter-spacing: -0.045em;
  line-height: 1.05;
}

.pricing-price span {
  font-size: 1rem;
  font-weight: 400;
  color: #999;
  letter-spacing: 0;
}

.pricing-hours {
  font-size: 0.875rem;
  color: #999;
  margin-top: 0.5rem;
  margin-bottom: 1.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid #eee;
}

.pricing-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 2rem;
  flex-grow: 1;
}

.pricing-features li {
  font-size: 0.9375rem;
  color: #444;
  padding-left: 1.5rem;
  position: relative;
  line-height: 1.5;
}

.pricing-features li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.4rem;
  width: 8px;
  height: 5px;
  border-left: 2px solid #1a1a1a;
  border-bottom: 2px solid #1a1a1a;
  transform: rotate(-45deg);
}

.pricing-btn {
  width: 100%;
  text-align: center;
  padding: 0.8rem 1.5rem;
  font-weight: 600;
  border-radius: 10px;
  transition: all 0.25s cubic-bezier(0.22, 1, 0.36, 1);
}

.pricing-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.pricing-disclaimer {
  text-align: center;
  font-size: 0.8125rem;
  color: #999;
  margin-top: 2rem;
}

.pricing-note {
  margin-top: 2rem;
  margin-left: auto;
  margin-right: auto;
  padding: 2rem;
  background: #fff;
  border: 1px solid #ebebeb;
  border-radius: 14px;
  max-width: 540px;
  text-align: center;
}

.pricing-note h3 {
  font-size: 1.0625rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.pricing-note p {
  font-size: 0.9375rem;
  color: #666;
  line-height: 1.55;
}

.pricing-rate {
  font-weight: 700;
  color: #1a1a1a !important;
  margin-top: 0.75rem;
}

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

.contact {
  padding: 5rem 0;
}

.contact-cards {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  max-width: 480px;
  margin: 0 auto 2.5rem;
}

.contact-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.375rem;
  padding: 1.5rem;
  background: #f8f8f8;
  border-radius: 14px;
  transition: all 0.3s cubic-bezier(0.22, 1, 0.36, 1);
}

.contact-card:hover {
  background: #f0f0f0;
  transform: translateY(-2px);
}

.contact-card-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #fff;
  border-radius: 12px;
  color: #1a1a1a;
  margin-bottom: 0.375rem;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.06);
}

.contact-card-label {
  font-size: 0.8125rem;
  font-weight: 600;
  color: #888;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.contact-card-value {
  font-size: 0.9375rem;
  font-weight: 500;
  color: #1a1a1a;
}

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

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

.footer {
  padding: 2.5rem 0;
  text-align: center;
  font-size: 0.8125rem;
  color: #aaa;
  border-top: 1px solid #ebebeb;
}

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

@media (min-width: 640px) {
  .problems-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .services-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .how-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
  }

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

  .nav-right {
    order: 1;
  }

  .nav-toggle {
    display: none;
  }

  .nav-links {
    display: flex;
    position: static;
    border-bottom: none;
    padding: 0;
    gap: 2rem;
    background: none;
    backdrop-filter: none;
  }

  .pricing-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
    align-items: center;
  }

  .pricing-card {
    border-radius: 16px 0 0 16px;
  }

  .pricing-card:last-child {
    border-radius: 0 16px 16px 0;
  }

  .pricing-card--popular {
    border-radius: 16px;
    padding-top: 3rem;
    padding-bottom: 2.5rem;
    z-index: 1;
    margin: -0.5rem -1px;
  }

  .hero {
    padding: 7rem 0 6rem;
  }

  .hero-name {
    font-size: 3.5rem;
  }

  .hero-title {
    font-size: 1.375rem;
  }

  .hero-subtitle {
    font-size: 1.1875rem;
  }

  .contact-cards {
    flex-direction: row;
    max-width: 560px;
  }

  .contact-card {
    flex: 1;
  }

  .audit-layout {
    flex-direction: row;
    align-items: flex-start;
    gap: 4rem;
  }

  .audit-checklist {
    min-width: 280px;
    margin-top: 0;
  }
}

@media (min-width: 900px) {
  .hero-name {
    font-size: 4rem;
  }

  .section-title {
    font-size: 2.25rem;
  }

  .problems-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}