/* ==========================================================================
   Lavrea Creative Studio — stylesheet
   ========================================================================== */

:root {
  --color-primary: #1a4971;
  --color-primary-dark: #0f314e;
  --color-primary-light: #2c6a9e;
  --color-accent: #b3b2b2;
  --color-ink: #172433;
  --color-ink-soft: #55627a;
  --color-bg: #ffffff;
  --color-bg-soft: #f4f7fb;
  --color-border: #e3e8f0;
  --color-success: #1e7d4f;
  --color-error: #b03434;

  --font-heading: 'Poppins', sans-serif;
  --font-body: 'Inter', sans-serif;

  --container-w: 1180px;
  --radius: 14px;
  --shadow-soft: 0 10px 30px -12px rgba(15, 49, 78, 0.18);
  --shadow-strong: 0 24px 60px -20px rgba(15, 49, 78, 0.35);
  --transition: 0.25s ease;
}

/* -------------------------------------------------------------------------
   Reset & base
   ------------------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-ink);
  background: var(--color-bg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  color: var(--color-primary-dark);
  line-height: 1.2;
  margin: 0 0 0.5em;
  font-weight: 700;
}

p { margin: 0 0 1em; color: var(--color-ink-soft); }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { margin: 0; padding: 0; list-style: none; }
button { font-family: inherit; cursor: pointer; }

.container {
  width: 100%;
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 24px;
}

.section { padding: 96px 0; }
@media (max-width: 768px) { .section { padding: 64px 0; } }

.tag {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary);
  background: rgba(26, 73, 113, 0.08);
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 16px;
}

.section-head { max-width: 640px; margin-bottom: 56px; }
.section-head h2 { font-size: clamp(28px, 3.5vw, 38px); }

/* -------------------------------------------------------------------------
   Buttons
   ------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 30px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 15px;
  border: 2px solid transparent;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition), color var(--transition), border-color var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
  box-shadow: 0 10px 24px -10px rgba(26, 73, 113, 0.6);
}
.btn-primary:hover { background: var(--color-primary-light); transform: translateY(-2px); }

.btn-outline {
  border-color: rgba(255, 255, 255, 0.5);
  color: #fff;
}
.btn-outline:hover { border-color: #fff; background: rgba(255, 255, 255, 0.1); transform: translateY(-2px); }

.btn-light {
  background: #fff;
  color: var(--color-primary-dark);
}
.btn-light:hover { transform: translateY(-2px); box-shadow: 0 14px 30px -12px rgba(0,0,0,0.35); }

/* -------------------------------------------------------------------------
   Header
   ------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 84px;
}

.brand { display: flex; align-items: center; }
.brand-logo { height: 58px; width: auto; }

.main-nav ul {
  display: flex;
  align-items: center;
  gap: 8px;
}

.main-nav a {
  display: inline-block;
  padding: 10px 18px;
  font-weight: 500;
  font-size: 15px;
  color: var(--color-ink);
  border-radius: 999px;
  transition: color var(--transition), background var(--transition);
}

.main-nav a:hover,
.main-nav a.active { color: var(--color-primary); background: rgba(26, 73, 113, 0.08); }

.main-nav a.nav-cta {
  background: var(--color-primary);
  color: #fff;
  margin-left: 8px;
}
.main-nav a.nav-cta:hover { background: var(--color-primary-light); color: #fff; }
.main-nav a.nav-cta.active { background: var(--color-primary-light); color: #fff; }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  padding: 0;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-primary-dark);
  margin: 0 auto;
  transition: transform var(--transition), opacity var(--transition);
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 860px) {
  .nav-toggle { display: flex; }

  .main-nav {
    position: fixed;
    top: 84px;
    left: 0;
    right: 0;
    bottom: 0;
    height: calc(100vh - 84px);
    background: #fff;
    transform: translateX(100%);
    transition: transform var(--transition);
    overflow-y: auto;
  }
  .main-nav.open { transform: translateX(0); }
  .main-nav ul {
    flex-direction: column;
    align-items: stretch;
    padding: 24px;
    gap: 8px;
  }
  .main-nav a { text-align: center; padding: 16px; font-size: 17px; }
  .main-nav a.nav-cta { margin-left: 0; }
}

/* -------------------------------------------------------------------------
   Hero
   ------------------------------------------------------------------------- */
.hero {
  position: relative;
  overflow: hidden;
  color: #fff;
  padding: 130px 0 150px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(circle at 15% 20%, rgba(255,255,255,0.12), transparent 45%),
    radial-gradient(circle at 85% 80%, rgba(255,255,255,0.10), transparent 45%),
    linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 55%, var(--color-primary-light) 100%);
}

.hero-inner { max-width: 760px; text-align: left; }

.hero .eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 13px;
  font-weight: 600;
  color: rgba(255,255,255,0.8);
  margin-bottom: 20px;
}

.hero h1 {
  color: #fff;
  font-size: clamp(36px, 6vw, 62px);
  margin-bottom: 22px;
}
.hero h1 span { color: #d9e6f2; }

.hero-lead {
  color: rgba(255,255,255,0.85);
  font-size: 18px;
  max-width: 560px;
  margin-bottom: 36px;
}

.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

/* -------------------------------------------------------------------------
   Services
   ------------------------------------------------------------------------- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}
@media (max-width: 1024px) { .services-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .services-grid { grid-template-columns: 1fr; } }

.service-card {
  background: var(--color-bg-soft);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 34px 28px;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-soft);
  border-color: transparent;
}

.service-icon {
  width: 54px;
  height: 54px;
  border-radius: 14px;
  background: var(--color-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}
.service-icon svg { width: 26px; height: 26px; }

.service-card h3 { font-size: 19px; margin-bottom: 10px; }
.service-card p { font-size: 14.5px; margin-bottom: 0; }

/* -------------------------------------------------------------------------
   About
   ------------------------------------------------------------------------- */
.about {
  position: relative;
  background: var(--color-bg-soft);
  overflow: hidden;
}
.about::before {
  content: '';
  position: absolute;
  top: -180px;
  right: -180px;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(26, 73, 113, 0.07), transparent 70%);
  pointer-events: none;
}

.about-head {
  max-width: 640px;
  margin: 0 auto 56px;
  text-align: center;
}
.about-head h2 { font-size: clamp(26px, 3.2vw, 34px); }
.about-head .lead { font-size: 17px; margin-bottom: 0; }

.about-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  position: relative;
}
@media (max-width: 860px) { .about-grid { grid-template-columns: 1fr; } }

.about-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 34px 28px;
  text-align: center;
  transition: transform var(--transition), box-shadow var(--transition);
}
.about-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-soft); }

.about-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 20px;
  border-radius: 50%;
  border: 2px solid var(--color-primary);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
}
.about-icon svg { width: 26px; height: 26px; }

.about-card h3 { font-size: 17.5px; margin-bottom: 8px; }
.about-card p { font-size: 14.5px; margin-bottom: 0; }

.about-cta { text-align: center; margin-top: 48px; }
.about-cta .btn {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 14px;
}

/* -------------------------------------------------------------------------
   Process
   ------------------------------------------------------------------------- */
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}
@media (max-width: 1024px) { .process-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .process-grid { grid-template-columns: 1fr; } }

.process-step {
  position: relative;
  padding: 32px 26px;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
}

.process-num {
  display: block;
  font-family: var(--font-heading);
  font-size: 34px;
  font-weight: 800;
  color: rgba(26, 73, 113, 0.18);
  margin-bottom: 10px;
}

.process-step h3 { font-size: 18px; margin-bottom: 8px; }
.process-step p { font-size: 14.5px; margin-bottom: 0; }

/* -------------------------------------------------------------------------
   Page hero (inner pages)
   ------------------------------------------------------------------------- */
.page-hero {
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
  color: #fff;
  padding: 90px 0 70px;
  text-align: center;
}
.page-hero .eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 13px;
  font-weight: 600;
  color: rgba(255,255,255,0.75);
  margin-bottom: 14px;
}
.page-hero h1 { color: #fff; font-size: clamp(30px, 5vw, 46px); margin: 0; }

/* -------------------------------------------------------------------------
   Contact / forms
   ------------------------------------------------------------------------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1.3fr 0.9fr;
  gap: 56px;
  align-items: start;
}
@media (max-width: 900px) { .contact-grid { grid-template-columns: 1fr; } }

.contact-form-wrap h2,
.contact-info-wrap h2 { font-size: 24px; margin-bottom: 22px; }

.site-form { display: flex; flex-direction: column; gap: 20px; }

.form-row-group {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
@media (max-width: 560px) { .form-row-group { grid-template-columns: 1fr; } }

.form-row { display: flex; flex-direction: column; gap: 8px; }
.form-row label { font-size: 13.5px; font-weight: 600; color: var(--color-ink); }

.form-row input,
.form-row select,
.form-row textarea {
  width: 100%;
  padding: 13px 16px;
  border: 1.5px solid var(--color-border);
  border-radius: 10px;
  font-family: inherit;
  font-size: 15px;
  color: var(--color-ink);
  background: #fff;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px rgba(26, 73, 113, 0.12);
}
.form-row textarea { resize: vertical; min-height: 120px; }

.site-form .btn { align-self: flex-start; margin-top: 6px; }

.hp-field { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }

.form-alert {
  padding: 14px 18px;
  border-radius: 10px;
  font-size: 14.5px;
  margin-bottom: 22px;
}
.form-alert-success { background: rgba(30, 125, 79, 0.1); color: var(--color-success); border: 1px solid rgba(30, 125, 79, 0.25); }
.form-alert-error { background: rgba(176, 52, 52, 0.08); color: var(--color-error); border: 1px solid rgba(176, 52, 52, 0.25); }

.contact-info-wrap {
  background: var(--color-bg-soft);
  border-radius: var(--radius);
  padding: 36px 32px;
  border: 1px solid var(--color-border);
}

.contact-info-list { display: flex; flex-direction: column; gap: 16px; margin: 24px 0 28px; }
.contact-info-list li { display: flex; flex-direction: column; gap: 2px; }
.contact-info-label {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-accent);
  font-weight: 600;
}
.contact-info-list a { font-size: 16px; font-weight: 600; color: var(--color-primary-dark); transition: color var(--transition); }
.contact-info-list a:hover { color: var(--color-primary); }

.social-links { display: flex; gap: 12px; }
.social-links a {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,0.12);
  color: #fff;
  transition: background var(--transition), transform var(--transition);
}
.social-links a svg { width: 18px; height: 18px; }
.social-links a:hover { background: var(--color-primary-light); transform: translateY(-3px); }

.social-links-dark a { background: rgba(26, 73, 113, 0.08); color: var(--color-primary); }
.social-links-dark a:hover { background: var(--color-primary); color: #fff; }

/* -------------------------------------------------------------------------
   Footer
   ------------------------------------------------------------------------- */
.site-footer {
  background: var(--color-primary-dark);
  color: rgba(255,255,255,0.75);
  padding-top: 72px;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 56px;
  border-bottom: 1px solid rgba(255,255,255,0.12);
}
@media (max-width: 860px) { .footer-inner { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .footer-inner { grid-template-columns: 1fr; } }

.footer-logo { height: 60px; width: auto; margin-bottom: 18px; }
.footer-brand p { color: rgba(255,255,255,0.6); font-size: 14.5px; max-width: 280px; }

.footer-col h4 {
  color: #fff;
  font-size: 15px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 18px;
}
.footer-col ul { display: flex; flex-direction: column; gap: 12px; }
.footer-col a { color: rgba(255,255,255,0.65); font-size: 14.5px; transition: color var(--transition); }
.footer-col a:hover { color: #fff; }

.footer-bottom { padding: 26px 0; }
.footer-bottom p {
  margin: 0;
  font-size: 12.5px;
  color: rgba(255,255,255,0.5);
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* -------------------------------------------------------------------------
   Back to top
   ------------------------------------------------------------------------- */
.back-to-top {
  position: fixed;
  right: 24px;
  bottom: 24px;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-soft);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
  z-index: 90;
}
.back-to-top svg { width: 20px; height: 20px; }
.back-to-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top:hover { background: var(--color-primary-light); }

/* -------------------------------------------------------------------------
   Reveal animation
   ------------------------------------------------------------------------- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.in-view { opacity: 1; transform: translateY(0); }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
}