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

:root {
  --deep-navy: #0B1F33;
  --slate-blue: #1E3A5F;
  --soft-white: #F7FAFC;
  --coral: #FF6F61;
  --seafoam: #6FCFBE;
  --steel-gray: #7B8794;
  --charcoal: #111827;
  --light-gray: #E8ECF0;
  --section-alt: #EFF3F6;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
  color: var(--charcoal);
  background: var(--soft-white);
  line-height: 1.6;
}

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

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

/* ── Typography ─────────────────────────────────────── */
h1, h2, h3 {
  line-height: 1.2;
  color: var(--deep-navy);
}

h1 {
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  font-weight: 800;
}

h2 {
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  font-weight: 700;
}

h3 {
  font-size: 1.25rem;
  font-weight: 600;
}

/* ── Layout ─────────────────────────────────────────── */
.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

section {
  padding: 5rem 0;
}

/* ── Header / Nav ───────────────────────────────────── */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(247, 250, 252, 0.92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--light-gray);
  transition: background 0.3s;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--deep-navy);
}

.nav-brand .logo-placeholder {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--coral), var(--seafoam));
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.1rem;
  color: white;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 2rem;
  align-items: center;
}

.nav-links a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--steel-gray);
  transition: color 0.2s;
}

.nav-links a:hover {
  color: var(--deep-navy);
}

.nav-links .btn-nav {
  background: var(--coral);
  color: white;
  padding: 0.5rem 1.25rem;
  border-radius: 6px;
  font-weight: 600;
  transition: opacity 0.2s;
}

.nav-links .btn-nav:hover {
  opacity: 0.88;
  color: white;
}

/* Mobile nav toggle */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--deep-navy);
  margin: 6px 0;
  transition: transform 0.3s, opacity 0.3s;
}

/* ── Hero ───────────────────────────────────────────── */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--soft-white);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: -30%;
  right: -15%;
  width: 700px;
  height: 700px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 111, 97, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero::after {
  content: "";
  position: absolute;
  bottom: -20%;
  left: -10%;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(111, 207, 190, 0.07) 0%, transparent 70%);
  pointer-events: none;
}

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

.hero-content p {
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  color: var(--steel-gray);
  margin: 1.25rem 0 2rem;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

/* ── Buttons ────────────────────────────────────────── */
.btn {
  display: inline-block;
  padding: 0.8rem 1.75rem;
  border-radius: 8px;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  border: none;
  transition: transform 0.15s, box-shadow 0.15s, opacity 0.15s;
}

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

.btn-primary {
  background: var(--coral);
  color: white;
  box-shadow: 0 4px 20px rgba(255, 111, 97, 0.25);
}

.btn-primary:hover {
  box-shadow: 0 6px 28px rgba(255, 111, 97, 0.35);
}

.btn-outline {
  background: transparent;
  color: var(--deep-navy);
  border: 2px solid var(--light-gray);
}

.btn-outline:hover {
  border-color: var(--slate-blue);
  color: var(--slate-blue);
}

/* ── Services ───────────────────────────────────────── */
.services {
  background: var(--section-alt);
}

.section-header {
  text-align: center;
  margin-bottom: 3.5rem;
}

.section-header p {
  color: var(--steel-gray);
  margin-top: 0.75rem;
  font-size: 1.1rem;
}

.accent-line {
  width: 48px;
  height: 3px;
  background: var(--coral);
  border-radius: 2px;
  margin: 1rem auto 0;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}

.service-card {
  background: white;
  border: 1px solid var(--light-gray);
  border-radius: 12px;
  padding: 2rem;
  transition: border-color 0.25s, transform 0.2s, box-shadow 0.25s;
}

.service-card:hover {
  border-color: var(--coral);
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
}

.service-icon {
  width: 48px;
  height: 48px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1.25rem;
  background: rgba(255, 111, 97, 0.1);
}

.service-card h3 {
  margin-bottom: 0.5rem;
}

.service-card p {
  color: var(--steel-gray);
  font-size: 0.95rem;
}

/* ── About ──────────────────────────────────────────── */
.about {
  background: var(--soft-white);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-text p {
  color: #4A5568;
  margin-bottom: 1rem;
}

.about-text p:last-child {
  margin-bottom: 0;
}

.about-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.stat-box {
  background: white;
  border: 1px solid var(--light-gray);
  border-radius: 12px;
  padding: 1.5rem;
  text-align: center;
}

.stat-box .number {
  font-size: 2rem;
  font-weight: 800;
  color: var(--coral);
  display: block;
}

.stat-box .label {
  font-size: 0.85rem;
  color: var(--steel-gray);
  margin-top: 0.25rem;
  display: block;
}

/* ── Contact ────────────────────────────────────────── */
.contact {
  background: var(--section-alt);
}

.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
}

.contact-info p {
  color: #4A5568;
  margin-bottom: 1.5rem;
  font-size: 1.05rem;
}

.contact-detail {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
  color: var(--deep-navy);
}

.contact-detail .icon {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  background: rgba(255, 111, 97, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.contact-form input,
.contact-form textarea {
  background: white;
  border: 1px solid var(--light-gray);
  border-radius: 8px;
  padding: 0.85rem 1rem;
  color: var(--charcoal);
  font-family: inherit;
  font-size: 0.95rem;
  transition: border-color 0.2s;
}

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

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--coral);
}

.contact-form textarea {
  resize: vertical;
  min-height: 120px;
}

/* ── Footer ─────────────────────────────────────────── */
.site-footer {
  background: var(--deep-navy);
  padding: 2rem 0;
}

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

.footer-inner p {
  color: var(--steel-gray);
  font-size: 0.9rem;
}

.footer-links {
  display: flex;
  list-style: none;
  gap: 1.5rem;
}

.footer-links a {
  color: var(--steel-gray);
  font-size: 0.9rem;
  transition: color 0.2s;
}

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

/* ── Responsive ─────────────────────────────────────── */
@media (max-width: 768px) {
  .nav-toggle {
    display: block;
  }

  .nav-links {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    z-index: -1;
    background: rgba(247, 250, 252, 0.98);
    backdrop-filter: blur(12px);
    flex-direction: column;
    padding: 2rem;
    gap: 1.5rem;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: opacity 0.3s, transform 0.3s, visibility 0.3s;
  }

  .nav-links.open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .about-grid,
  .contact-wrapper {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  section {
    padding: 3.5rem 0;
  }

  .hero {
    min-height: auto;
    padding-top: 120px;
    padding-bottom: 4rem;
  }
}