/* iHouse Corp - prototipe halaman depan
   Palet warna diambil dari CSS publik ihousecorp.com (Divi theme cache):
     - Ungu gelap gradient CTA/hero : #570070 -> #350e72 -> #230022
     - Aksen merah/coral tombol     : #ff454e
     - Aksen biru (tautan)          : #0054ff
     - Latar netral                 : #FFFFFF, #f2f2f2, #000000
   Font: Urbanist (judul), Inter (navigasi/tombol), Open Sans (teks body) - Google Fonts */

:root {
  --color-purple-1: #570070;
  --color-purple-2: #350e72;
  --color-purple-3: #230022;
  --color-accent: #ff454e;
  --color-blue: #0054ff;
  --color-bg: #ffffff;
  --color-bg-muted: #f2f2f2;
  --color-text: #1a1a1a;
  --color-text-muted: #555555;
  --font-heading: 'Urbanist', 'Helvetica Neue', Arial, sans-serif;
  --font-nav: 'Inter', 'Helvetica Neue', Arial, sans-serif;
  --font-body: 'Open Sans', 'Helvetica Neue', Arial, sans-serif;
  --max-width: 1200px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }

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

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: #ffffff;
  box-shadow: 0 1px 6px rgba(0, 0, 0, 0.08);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  padding-bottom: 14px;
}

.site-header .logo img {
  height: 44px;
  width: auto;
}

.main-nav ul {
  list-style: none;
  display: flex;
  gap: 28px;
  margin: 0;
  padding: 0;
  font-family: var(--font-nav);
  font-weight: 600;
  font-size: 14px;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.main-nav li { position: relative; }

.main-nav > ul > li > a {
  display: block;
  padding: 10px 2px;
}

.main-nav > ul > li > a:hover,
.main-nav > ul > li.active > a {
  color: var(--color-accent);
}

.main-nav .sub-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 220px;
  background: #ffffff;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
  border-radius: 6px;
  padding: 8px 0;
  text-transform: none;
  font-weight: 500;
}

.main-nav li.has-children:hover .sub-menu,
.main-nav li.has-children:focus-within .sub-menu {
  display: block;
}

.main-nav .sub-menu li a {
  padding: 10px 18px;
  display: block;
  white-space: nowrap;
}

.main-nav .sub-menu li a:hover { background: var(--color-bg-muted); color: var(--color-accent); }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 28px;
  cursor: pointer;
  color: var(--color-purple-3);
}

/* ---------- Hero ---------- */
.hero {
  padding: 64px 0 56px;
  background: var(--color-bg);
}

.hero .container {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: 48px;
  align-items: center;
}

.hero h1 {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.2;
  margin: 0 0 20px;
  color: var(--color-purple-3);
}

.hero p {
  color: var(--color-text-muted);
  font-size: 17px;
  max-width: 56ch;
}

.hero-badge {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 28px;
}

.hero-badge img { width: 56px; }

.hero-badge h3 {
  font-family: var(--font-heading);
  margin: 0 0 4px;
  font-size: 16px;
  color: var(--color-purple-2);
}

.hero-badge p {
  margin: 0;
  font-size: 14px;
  max-width: 40ch;
}

.hero-visual {
  background: linear-gradient(160deg, var(--color-purple-1), var(--color-purple-2) 55%, var(--color-purple-3));
  border-radius: 24px;
  min-height: 280px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-family: var(--font-heading);
  text-align: center;
  padding: 32px;
}

/* ---------- Services ---------- */
.services { padding: 64px 0; background: var(--color-bg-muted); }

.section-eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 13px;
  font-weight: 700;
  color: var(--color-accent);
  font-family: var(--font-nav);
  margin: 0 0 8px;
}

.section-title {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: clamp(24px, 3vw, 34px);
  margin: 0 0 36px;
  color: var(--color-purple-3);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
}

.service-card {
  background: #fff;
  border-radius: 14px;
  padding: 28px 22px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 26px rgba(0, 0, 0, 0.1);
}

.service-card h3 {
  font-family: var(--font-heading);
  color: var(--color-purple-2);
  font-size: 18px;
  margin: 0 0 10px;
}

.service-card p {
  font-size: 14.5px;
  color: var(--color-text-muted);
  margin: 0;
}

/* ---------- CTA banner ---------- */
.cta-banner {
  background: linear-gradient(135deg, var(--color-purple-1), var(--color-purple-2) 60%, var(--color-purple-3));
  color: #fff;
  padding: 56px 0;
  text-align: center;
}

.cta-banner h2 {
  font-family: var(--font-heading);
  font-size: clamp(22px, 3vw, 30px);
  max-width: 760px;
  margin: 0 auto 28px;
}

.btn {
  display: inline-block;
  font-family: var(--font-nav);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 13px;
  padding: 16px 40px;
  border-radius: 50px;
  border: 2px solid transparent;
  cursor: pointer;
}

.btn-light { background: #fff; color: #000; }
.btn-light:hover { background: transparent; color: #fff; border-color: #fff; }

.btn-accent { background: var(--color-accent); color: #fff; }
.btn-accent:hover { background: transparent; color: var(--color-accent); border-color: var(--color-accent); }

/* ---------- Clients ---------- */
.clients { padding: 64px 0; text-align: center; }

.clients .section-title { margin-bottom: 40px; }

.client-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 28px;
  align-items: center;
  margin-bottom: 36px;
}

.client-grid img {
  max-height: 64px;
  width: auto;
  margin: 0 auto;
  filter: grayscale(20%);
  opacity: 0.9;
}

.clients .btn-outline {
  display: inline-block;
  font-family: var(--font-nav);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
  border-bottom: 2px solid var(--color-accent);
  padding-bottom: 2px;
}

/* ---------- Second CTA ---------- */
.cta-banner-2 {
  background: var(--color-bg-muted);
  padding: 64px 0;
  text-align: center;
}

.cta-banner-2 h2 {
  font-family: var(--font-heading);
  color: var(--color-purple-3);
  font-size: clamp(20px, 2.6vw, 28px);
  max-width: 760px;
  margin: 0 auto 28px;
}

/* ---------- Footer ---------- */
.site-footer {
  background: #000000;
  color: #f2f2f2;
  padding: 56px 0 24px;
}

.footer-social {
  text-align: center;
  margin-bottom: 40px;
}

.footer-social h2 {
  font-family: var(--font-heading);
  font-size: clamp(20px, 2.6vw, 28px);
  max-width: 680px;
  margin: 0 auto 24px;
}

.social-icons {
  list-style: none;
  display: flex;
  justify-content: center;
  gap: 16px;
  padding: 0;
  margin: 0;
}

.social-icons a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border: 1px solid rgba(255, 255, 255, 0.4);
  border-radius: 50%;
  font-size: 13px;
  text-transform: uppercase;
}

.social-icons a:hover { background: var(--color-accent); border-color: var(--color-accent); }

.footer-columns {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding-top: 36px;
  margin-bottom: 24px;
}

.footer-columns h2 {
  font-family: var(--font-heading);
  font-size: 17px;
  margin: 0 0 14px;
}

.footer-columns p, .footer-columns a {
  font-size: 14px;
  color: #cccccc;
}

.footer-columns ul { list-style: none; padding: 0; margin: 0; }
.footer-columns li { margin-bottom: 8px; }
.footer-columns a:hover { color: var(--color-accent); }

.footer-bottom {
  text-align: center;
  font-size: 13px;
  color: #999999;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 18px;
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .hero .container { grid-template-columns: 1fr; }
  .client-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-columns { grid-template-columns: 1fr; text-align: center; }
}

@media (max-width: 720px) {
  .nav-toggle { display: block; }

  .main-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #fff;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
    display: none;
  }

  .main-nav.open { display: block; }

  .main-nav ul {
    flex-direction: column;
    gap: 0;
    padding: 12px 0;
  }

  .main-nav > ul > li > a { padding: 12px 24px; }

  .main-nav .sub-menu {
    display: block;
    position: static;
    box-shadow: none;
    padding-left: 12px;
  }

  .client-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 480px) {
  .hero { padding: 40px 0; }
  .services, .clients, .cta-banner, .cta-banner-2 { padding: 40px 0; }
  .btn { padding: 14px 28px; font-size: 12px; }
}

/* ---------- 404 page ---------- */
.not-found {
  min-height: 60vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 80px 24px;
}

.not-found h1 {
  font-family: var(--font-heading);
  font-size: clamp(48px, 10vw, 96px);
  color: var(--color-purple-2);
  margin: 0;
}

.not-found p { color: var(--color-text-muted); margin: 12px 0 28px; }