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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Segoe UI', sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: #1a1a1a;
  background-color: #ffffff;
}

/* ── Colors as variables ── */
:root {
  --blue: #1a56db;
  --blue-dark: #1040b0;
  --gray-light: #f5f5f5;
  --gray-mid: #888;
  --text: #1a1a1a;
  --white: #ffffff;
}

/* ── Links ── */
a {
  color: var(--blue);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

/* ── Buttons ── */
.btn {
  display: inline-block;
  padding: 12px 24px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  border: none;
}

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

.nav-links .btn-primary {
  color: var(--white);
}

.btn-primary:hover {
  background-color: var(--blue-dark);
  text-decoration: none;
}

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

.btn-outline:hover {
  background-color: var(--blue);
  color: var(--white);
  text-decoration: none;
}

/* ── Container ── */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ── Section spacing ── */
section {
  padding: 72px 0;
}

section:nth-child(even) {
  background-color: var(--gray-light);
}

/* ── Navigation ── */
nav {
  position: sticky;
  top: 0;
  background-color: var(--white);
  border-bottom: 1px solid #e5e5e5;
  z-index: 100;
  padding: 16px 0;
}

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

.logo {
  font-size: 20px;
  font-weight: 700;
  color: var(--blue);
  text-decoration: none;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  color: var(--text);
  font-size: 15px;
}

.nav-links a:hover {
  color: var(--blue);
  text-decoration: none;
}

.hamburger {
  display: none;
  font-size: 24px;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text);
}

/* ── Hero ── */
.hero {
  background-color: #eef3fd;
  padding: 96px 0;
}

.hero-inner {
  text-align: center;
}

.hero h1 {
  font-size: 48px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 20px;
  line-height: 1.2;
}

.hero p {
  font-size: 18px;
  color: var(--gray-mid);
  max-width: 560px;
  margin: 0 auto 32px;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.hero-badges {
  display: flex;
  gap: 24px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 32px;
  font-size: 14px;
  color: var(--gray-mid);
}

/* ── Section headings ── */
h2 {
  font-size: 32px;
  font-weight: 700;
  text-align: center;
  margin-bottom: 12px;
}

.section-sub {
  text-align: center;
  color: var(--gray-mid);
  font-size: 17px;
  margin-bottom: 48px;
}

/* ── Services grid ── */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--white);
  border: 1px solid #e5e5e5;
  border-radius: 12px;
  padding: 28px;
}

.service-card h3 {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--blue);
}

.service-card p {
  font-size: 15px;
  color: var(--gray-mid);
}

/* ── Who we serve ── */
.serve-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.serve-card {
  background: var(--white);
  border: 1px solid #e5e5e5;
  border-radius: 12px;
  padding: 36px;
}

.serve-card h3 {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 12px;
}

.serve-card p {
  color: var(--gray-mid);
  margin-bottom: 24px;
}

/* ── Testimonials ── */
.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.testimonial-card {
  background: var(--white);
  border: 1px solid #e5e5e5;
  border-radius: 12px;
  padding: 28px;
}

.testimonial-card p {
  font-size: 15px;
  color: var(--text);
  margin-bottom: 16px;
  font-style: italic;
}

.testimonial-card span {
  font-size: 13px;
  color: var(--gray-mid);
}

/* ── CTA section ── */
.cta {
  background-color: var(--white);
}

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

.cta h2 {
  color: var(--text);
}

.cta p {
  color: var(--text);
  font-size: 17px;
  margin-bottom: 32px;
}

.cta .btn-primary {
  background-color: var(--white);
  color: var(--blue);
}

.cta .btn-primary:hover {
  background-color: #f0f0f0;
}

/* ── Footer ── */
footer {
  background-color: #1a1a1a;
  padding: 32px 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

footer .logo {
  color: var(--white);
}

.footer-links {
  display: flex;
  gap: 24px;
  list-style: none;
}

.footer-links a {
  color: #aaa;
  font-size: 14px;
}

.footer-links a:hover {
  color: var(--white);
}

.footer-copy {
  font-size: 13px;
  color: #aaa;
}

/* ── Mobile ── */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 32px;
  }

  .hero p {
    font-size: 16px;
  }

  .nav-links {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--white);
    border-bottom: 1px solid #e5e5e5;
    padding: 16px 24px;
    gap: 16px;
  }

  .nav-links.open {
    display: flex;
  }

  .hamburger {
    display: block;
  }

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

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

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

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

/* ── Page header ── */
.page-header {
  background-color: #eef3fd;
  padding: 64px 0 48px;
}

.page-header h1 {
  font-size: 40px;
  font-weight: 700;
  margin-bottom: 12px;
}

/* ── Service detail ── */
.service-detail {
  border-bottom: 1px solid #e5e5e5;
  padding: 48px 0;
  max-width: 720px;
}

.service-detail:last-child {
  border-bottom: none;
}

.service-detail h2 {
  text-align: left;
  font-size: 24px;
  margin-bottom: 12px;
  color: var(--blue);
}

.service-detail p {
  color: var(--gray-mid);
  margin-bottom: 16px;
}

.service-detail ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.service-detail ul li::before {
  content: "✓ ";
  color: var(--blue);
  font-weight: 700;
}

/* ── About page ── */
.about-inner {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 64px;
  align-items: start;
}

.photo-placeholder {
  width: 100%;
  aspect-ratio: 1;
  background-color: var(--gray-light);
  border: 1px solid #e5e5e5;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-mid);
  font-size: 14px;
}

.about-text p {
  color: var(--gray-mid);
  margin-bottom: 16px;
}

.about-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.badge {
  background-color: #eef3fd;
  color: var(--blue);
  border: 1px solid #c3d4f7;
  border-radius: 20px;
  padding: 6px 16px;
  font-size: 13px;
  font-weight: 500;
}

/* ── Why choose us ── */
.why-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.why-card {
  background: var(--white);
  border: 1px solid #e5e5e5;
  border-radius: 12px;
  padding: 28px;
}

.why-card h3 {
  font-size: 17px;
  font-weight: 600;
  color: var(--blue);
  margin-bottom: 10px;
}

.why-card p {
  color: var(--gray-mid);
  font-size: 15px;
}

/* ── About mobile ── */
@media (max-width: 768px) {
  .about-inner {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .photo-placeholder {
    max-width: 240px;
    margin: 0 auto;
  }

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

/* ── Contact page ── */
.contact-inner {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 64px;
  align-items: start;
}

.contact-form-wrap {
  background: var(--white);
  border: 1px solid #e5e5e5;
  border-radius: 12px;
  padding: 40px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 20px;
}

.form-group label {
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: 10px 14px;
  border: 1px solid #e5e5e5;
  border-radius: 8px;
  font-size: 15px;
  font-family: inherit;
  color: var(--text);
  background: var(--white);
  outline: none;
  transition: border-color 0.2s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--blue);
}

.form-group textarea {
  resize: vertical;
}

.info-card {
  border-bottom: 1px solid #e5e5e5;
  padding: 20px 0;
}

.info-card:last-child {
  border-bottom: none;
}

.info-card h3 {
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--gray-mid);
  margin-bottom: 6px;
}

.info-card p {
  font-size: 15px;
  color: var(--text);
}

.info-card a {
  color: var(--blue);
}

/* ── Contact mobile ── */
@media (max-width: 768px) {
  .contact-inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .contact-form-wrap {
    padding: 24px;
  }
}