/* ===== Arunika Silver — Landing Page ===== */
/* Mobile-first | Breakpoints: 600px, 1024px */

:root {
  --silver: #C0C0C0;
  --silver-light: #E8E8E8;
  --silver-dark: #9A9A9A;
  --charcoal: #2B2B2B;
  --black: #1A1A1A;
  --white: #FFFFFF;
  --off-white: #FAFAF8;
  --text-muted: #6B6B6B;
  --wa: #25D366;
  --wa-dark: #1EB85A;
  --font-head: 'Playfair Display', Georgia, serif;
  --font-body: 'Poppins', 'Segoe UI', sans-serif;
  --radius: 14px;
  --shadow: 0 8px 30px rgba(0, 0, 0, .08);
  --transition: .3s ease;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: var(--font-body);
  font-weight: 300;
  color: var(--charcoal);
  background: var(--white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; }

.container {
  width: 100%;
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 20px;
}

h1, h2, h3 { font-family: var(--font-head); font-weight: 700; line-height: 1.25; color: var(--black); }

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 13px 26px;
  border-radius: 50px;
  font-size: .92rem;
  font-weight: 500;
  letter-spacing: .3px;
  border: 1.5px solid transparent;
  transition: var(--transition);
}
.btn-primary {
  background: var(--wa);
  color: var(--white);
}
.btn-primary:hover { background: var(--wa-dark); transform: translateY(-2px); box-shadow: 0 8px 20px rgba(37, 211, 102, .35); }
.btn-outline {
  border-color: var(--charcoal);
  color: var(--charcoal);
  background: transparent;
}
.btn-outline:hover { background: var(--charcoal); color: var(--white); transform: translateY(-2px); }

/* ===== Header / Navbar ===== */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(255, 255, 255, .92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: var(--transition);
}
.header.scrolled { border-bottom-color: var(--silver-light); box-shadow: 0 2px 16px rgba(0,0,0,.05); }

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-head);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--black);
}
.logo span { color: var(--silver-dark); font-weight: 400; font-style: italic; }
.logo svg { color: var(--silver-dark); }

/* Mobile nav: slide-down panel */
.nav {
  position: fixed;
  top: 68px; left: 0; right: 0;
  background: var(--white);
  border-bottom: 1px solid var(--silver-light);
  box-shadow: 0 14px 24px rgba(0,0,0,.07);
  max-height: 0;
  overflow: hidden;
  visibility: hidden;
  transition: max-height .35s ease, visibility .35s ease;
}
.nav.open { max-height: 320px; visibility: visible; }

.nav-list {
  display: flex;
  flex-direction: column;
  padding: 10px 20px 18px;
}
.nav-link {
  display: block;
  padding: 12px 4px;
  font-size: .95rem;
  font-weight: 400;
  color: var(--charcoal);
  border-bottom: 1px solid var(--off-white);
  transition: var(--transition);
}
.nav-list li:last-child .nav-link { border-bottom: none; }
.nav-link:hover, .nav-link.active { color: var(--black); padding-left: 10px; }

/* Hamburger */
.hamburger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 42px; height: 42px;
  padding: 9px;
  background: none;
  border: none;
}
.hamburger span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--charcoal);
  border-radius: 2px;
  transition: var(--transition);
}
.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===== Hero ===== */
.hero {
  padding: 120px 0 70px;
  background:
    radial-gradient(ellipse at 85% 15%, rgba(192,192,192,.25), transparent 55%),
    linear-gradient(180deg, var(--off-white) 0%, var(--white) 100%);
}
.hero-grid {
  display: grid;
  gap: 40px;
  align-items: center;
}
.hero-eyebrow, .eyebrow {
  font-size: .78rem;
  font-weight: 500;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--silver-dark);
  margin-bottom: 14px;
}
.hero h1 {
  font-size: clamp(2.1rem, 6.5vw, 3.6rem);
  margin-bottom: 18px;
}
.hero h1 em { font-style: italic; font-weight: 400; color: var(--silver-dark); }
.hero-tagline {
  font-size: 1rem;
  color: var(--text-muted);
  max-width: 46ch;
  margin-bottom: 28px;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}
.hero-image img {
  width: 100%;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

/* ===== Sections ===== */
.section { padding: 70px 0; }
.section-alt {
  background:
    linear-gradient(180deg, var(--off-white), #F2F2F0);
}
.section-head {
  text-align: center;
  max-width: 620px;
  margin: 0 auto 44px;
}
.section-head h2 { font-size: clamp(1.7rem, 4.5vw, 2.4rem); margin-bottom: 12px; }
.section-head p { color: var(--text-muted); font-size: .95rem; }

/* ===== Filter ===== */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-bottom: 36px;
}
.filter-btn {
  padding: 9px 22px;
  border-radius: 50px;
  border: 1.5px solid var(--silver);
  background: var(--white);
  font-size: .85rem;
  font-weight: 400;
  color: var(--charcoal);
  transition: var(--transition);
}
.filter-btn:hover { border-color: var(--charcoal); }
.filter-btn.active {
  background: var(--charcoal);
  border-color: var(--charcoal);
  color: var(--white);
}

/* ===== Product Grid ===== */
.product-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}
.product-card {
  background: var(--white);
  border: 1px solid var(--silver-light);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}
.product-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
  border-color: var(--silver);
}
.product-media {
  position: relative;
  aspect-ratio: 1 / 1;
  background: var(--off-white);
  overflow: hidden;
}
.product-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}
.product-card:hover .product-media img { transform: scale(1.06); }
.product-badge {
  position: absolute;
  top: 12px; left: 12px;
  background: rgba(43,43,43,.85);
  color: var(--white);
  font-size: .68rem;
  font-weight: 500;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding: 5px 12px;
  border-radius: 30px;
}
.product-body {
  padding: 18px 18px 20px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.product-category {
  font-size: .7rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--silver-dark);
  margin-bottom: 4px;
}
.product-name {
  font-family: var(--font-head);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--black);
  margin-bottom: 6px;
}
.product-price {
  font-size: 1rem;
  font-weight: 500;
  color: var(--charcoal);
  margin-bottom: 16px;
}
.btn-order {
  margin-top: auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 18px;
  border-radius: 50px;
  background: var(--white);
  border: 1.5px solid var(--charcoal);
  color: var(--charcoal);
  font-size: .85rem;
  font-weight: 500;
  transition: var(--transition);
}
.btn-order:hover {
  background: var(--wa);
  border-color: var(--wa);
  color: var(--white);
}
.btn-order svg { width: 15px; height: 15px; }
.product-empty {
  grid-column: 1 / -1;
  text-align: center;
  color: var(--text-muted);
  padding: 40px 0;
}

/* ===== Feature Grid ===== */
.feature-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}
.feature-card {
  background: var(--white);
  border: 1px solid var(--silver-light);
  border-radius: var(--radius);
  padding: 30px 24px;
  text-align: center;
  transition: var(--transition);
}
.feature-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); border-color: var(--silver); }
.feature-icon {
  width: 62px; height: 62px;
  margin: 0 auto 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--silver-light), var(--silver));
  color: var(--charcoal);
}
.feature-card h3 { font-size: 1.15rem; margin-bottom: 8px; }
.feature-card p { font-size: .88rem; color: var(--text-muted); }

/* ===== Tentang ===== */
.about-grid {
  display: grid;
  gap: 40px;
  align-items: center;
}
.about-image img {
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.about-text h2 { font-size: clamp(1.7rem, 4.5vw, 2.3rem); margin-bottom: 16px; }
.about-text p { color: var(--text-muted); font-size: .95rem; margin-bottom: 16px; }
.about-text .btn { margin-top: 8px; }

/* ===== Testimoni ===== */
.testimonial-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}
.testimonial-card {
  background: var(--white);
  border: 1px solid var(--silver-light);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: var(--transition);
}
.testimonial-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
.stars { color: #D4A017; letter-spacing: 3px; font-size: .95rem; margin-bottom: 14px; }
.testimonial-card blockquote {
  font-size: .92rem;
  color: var(--charcoal);
  font-style: italic;
  margin-bottom: 18px;
}
.testimonial-card figcaption strong { display: block; font-weight: 500; font-size: .92rem; color: var(--black); }
.testimonial-card figcaption span { font-size: .8rem; color: var(--text-muted); }

/* ===== Kontak ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}
.contact-card {
  background: var(--white);
  border: 1px solid var(--silver-light);
  border-radius: var(--radius);
  padding: 28px 24px;
  text-align: center;
  transition: var(--transition);
}
a.contact-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); border-color: var(--silver); }
.contact-icon {
  width: 56px; height: 56px;
  margin: 0 auto 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--charcoal);
  color: var(--silver-light);
}
.contact-card h3 { font-size: 1.1rem; margin-bottom: 6px; }
.contact-card p { font-size: .88rem; color: var(--text-muted); }
.contact-cta {
  display: inline-block;
  margin-top: 10px;
  font-size: .8rem;
  font-weight: 500;
  color: var(--wa-dark);
}

/* ===== Footer ===== */
.footer {
  background: var(--black);
  color: var(--silver-light);
  padding: 40px 0 30px;
}
.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
  text-align: center;
}
.logo-footer { color: var(--white); }
.logo-footer span { color: var(--silver); }
.logo-footer svg { color: var(--silver); }
.social { display: flex; gap: 14px; }
.social a {
  width: 40px; height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(192,192,192,.35);
  border-radius: 50%;
  color: var(--silver-light);
  transition: var(--transition);
}
.social a:hover { background: var(--silver); color: var(--black); border-color: var(--silver); }
.copyright { font-size: .8rem; color: var(--silver-dark); }

/* ===== Floating WhatsApp ===== */
.wa-float {
  position: fixed;
  right: 18px; bottom: 18px;
  z-index: 90;
  width: 54px; height: 54px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--wa);
  color: var(--white);
  box-shadow: 0 6px 20px rgba(37,211,102,.45);
  transition: var(--transition);
}
.wa-float:hover { transform: scale(1.08); background: var(--wa-dark); }

/* ===== Scroll Reveal Animation ===== */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .7s ease, transform .7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  * { transition: none !important; }
}

/* ===== Breakpoint: ≥600px ===== */
@media (min-width: 600px) {
  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .testimonial-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: repeat(2, 1fr); }
  .hero { padding: 140px 0 80px; }
  .section { padding: 84px 0; }
}

/* ===== Breakpoint: ≥1024px ===== */
@media (min-width: 1024px) {
  .hamburger { display: none; }

  .nav {
    position: static;
    max-height: none;
    visibility: visible;
    background: none;
    border: none;
    box-shadow: none;
  }
  .nav-list {
    flex-direction: row;
    gap: 34px;
    padding: 0;
  }
  .nav-link {
    padding: 6px 0;
    border-bottom: none;
    position: relative;
  }
  .nav-link::after {
    content: '';
    position: absolute;
    left: 0; bottom: 0;
    width: 0; height: 2px;
    background: var(--charcoal);
    transition: var(--transition);
  }
  .nav-link:hover::after, .nav-link.active::after { width: 100%; }
  .nav-link:hover, .nav-link.active { padding-left: 0; color: var(--black); }

  .hero-grid { grid-template-columns: 1.05fr .95fr; gap: 60px; }
  .product-grid { grid-template-columns: repeat(4, 1fr); }
  .feature-grid { grid-template-columns: repeat(4, 1fr); }
  .about-grid { grid-template-columns: 1fr 1fr; gap: 64px; }
  .testimonial-grid { grid-template-columns: repeat(3, 1fr); }
  .contact-grid { grid-template-columns: repeat(4, 1fr); }
}
