/* ===========================================================
   Kolase Photobooth - Global Styles (Contemporary Noir)
   Tipografi: Plus Jakarta Sans (Display/Heading), Manrope (Body)
=========================================================== */

@import url('https://fonts.googleapis.com/css2?family=Manrope:wght@400;500;600;700&family=Plus+Jakarta+Sans:wght@400;500;600;700&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Material+Symbols+Outlined:wght,FILL,GRAD,opsz@400,0,0,24&display=swap');

:root {
  /* Colors - Contemporary Noir Palette */
  --surface-main: #fafafc;
  --surface-card: #f1f3f5;
  --surface-lowest: #ffffff;
  --text-primary: #111215;
  --text-secondary: #5d5e60;
  --interactive-muted: #5a6b7c;
  --border-subtle: #e2e4e7;
  --error: #ba1a1a;
  
  /* Typography */
  --font-display: 'Plus Jakarta Sans', sans-serif;
  --font-body: 'Manrope', sans-serif;
  --font-icon: 'Material Symbols Outlined';

  /* Border Radius */
  --radius-sm: 0.125rem;
  --radius-DEFAULT: 0.25rem; /* 4px - flat & modern */
  --radius-lg: 0.5rem;
  --radius-full: 9999px;

  /* Layout & Spacing */
  --container-max: 1280px;
  --gutter: 24px;
  --margin-desktop: 64px;
  --margin-mobile: 20px;
  --section-gap: 120px;
}

/* ===========================================================
   Base Resets
=========================================================== */
*, *::before, *::after {
  box-sizing: border-box;
}

/* Pastikan elemen dengan atribut hidden benar-benar tidak ditampilkan */
[hidden] {
  display: none !important;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background-color: var(--surface-main);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: all 0.2s ease;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  color: var(--text-primary);
  margin: 0 0 0.5em;
}

p {
  margin: 0 0 1em;
}

/* ===========================================================
   Typography Utility Classes
=========================================================== */
.font-display-lg {
  font-family: var(--font-display);
  font-size: clamp(40px, 5vw, 64px);
  line-height: 1.1;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.font-headline-xl {
  font-family: var(--font-display);
  font-size: clamp(32px, 4vw, 48px);
  line-height: 1.15;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.font-headline-md {
  font-family: var(--font-display);
  font-size: 24px;
  line-height: 32px;
  font-weight: 600;
}

.font-label-lg {
  font-family: var(--font-display);
  font-size: 14px;
  line-height: 20px;
  font-weight: 600;
  letter-spacing: 0.05em;
}

.font-label-sm {
  font-family: var(--font-display);
  font-size: 12px;
  line-height: 16px;
  font-weight: 500;
}

.font-body-lg {
  font-family: var(--font-body);
  font-size: 18px;
  line-height: 28px;
  font-weight: 400;
}

.font-body-md {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 24px;
  font-weight: 400;
}

/* ===========================================================
   Layout & Containers
=========================================================== */
.wrap {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--margin-mobile);
}

@media (min-width: 768px) {
  .wrap {
    padding: 0 var(--margin-desktop);
  }
}

.section {
      padding: var(--section-gap) var(--margin-mobile);
}

@media (min-width: 768px) {
  .section {
    padding: var(--section-gap) var(--margin-desktop);
  }
}

/* ===========================================================
   Buttons
=========================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius-DEFAULT);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 14px;
  letter-spacing: 0.05em;
  transition: all 0.2s ease;
}

.btn:active {
  transform: scale(0.98);
}

.btn-primary {
  background-color: var(--text-primary);
  color: var(--surface-lowest);
}

.btn-primary:hover {
  opacity: 0.9;
}

.btn-outline {
  background-color: transparent;
  border: 1px solid var(--text-primary);
  color: var(--text-primary);
}

.btn-outline:hover {
  background-color: var(--surface-card);
}

/* ===========================================================
   Forms
=========================================================== */
.field {
  margin-bottom: 24px;
}

.field label {
  display: block;
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.form-input {
  width: 100%;
  background-color: var(--surface-lowest);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-DEFAULT);
  padding: 12px 16px;
  font-family: var(--font-body);
  font-size: 16px;
  color: var(--text-primary);
  transition: all 0.2s ease;
}

.form-input:focus {
  outline: none;
  border: 2px solid var(--interactive-muted);
  padding: 11px 15px; /* Kompensasi penambahan border 2px agar layout tidak loncat */
}

/* ===========================================================
   Material Icons Setup
=========================================================== */
.material-symbols-outlined {
  font-family: var(--font-icon);
  font-weight: normal;
  font-style: normal;
  font-size: 24px;
  line-height: 1;
  letter-spacing: normal;
  text-transform: none;
  display: inline-block;
  white-space: nowrap;
  word-wrap: normal;
  direction: ltr;
  -webkit-font-smoothing: antialiased;
}

/* ===========================================================
   Cards & Utilities
=========================================================== */
.card {
  background-color: var(--surface-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-DEFAULT);
  padding: 32px;
}

.card-white {
  background-color: var(--surface-lowest);
}

.divider {
  height: 1px;
  background-color: var(--border-subtle);
  width: 100%;
  margin: 32px 0;
} 

/* ===========================================================
   Komponen Global: Navbar
=========================================================== */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background-color: var(--surface-lowest);
  border-bottom: 1px solid var(--border-subtle);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-logo {
  height: 32px; /* Sesuaikan ukuran logo */
  width: auto;
}

.nav-links {
  display: flex;
  gap: 32px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  color: var(--text-secondary);
  padding-bottom: 4px;
  border-bottom: 2px solid transparent; /* Garis bawah transparan secara default */
}

.nav-links a:hover {
  color: var(--text-primary);
}

/* Indikator halaman aktif */
.nav-links a.active {
  color: var(--text-primary);
  border-bottom-color: var(--text-primary);
}

.nav-cta {
  display: flex;
  align-items: center;
  gap: 16px;
}

.nav-toggle {
  display: none;
  color: var(--text-primary);
}

/* Responsif untuk Mobile */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-cta .btn { display: none; }
  .nav-toggle { display: block; }
}

/* ===========================================================
   Komponen Global: Footer
=========================================================== */
.site-footer {
  background-color: var(--text-primary);
  color: var(--surface-main);
  padding: 64px 0 24px;
  margin-top: auto; /* Mendorong footer selalu ke bawah jika konten sedikit */
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 48px;
}

.footer-logo {
  height: 40px;
  width: auto;
  margin-bottom: 16px;
  filter: invert(1); /* Trik mengubah logo hitam menjadi putih */
}

.footer-brand .text-muted {
  color: #8b827d;
  margin-top: 12px;
  max-width: 280px;
}

.footer-col h5 {
  color: var(--surface-main);
  margin-bottom: 20px;
  opacity: 0.5;
  text-transform: uppercase;
}

.footer-col a {
  display: block;
  color: var(--border-subtle);
  margin-bottom: 12px;
}

.footer-col a:hover {
  color: var(--surface-main);
}

.flex-link {
  display: flex;
  align-items: center;
  gap: 8px;
}

.flex-link .material-symbols-outlined {
  font-size: 18px; /* Ikon sedikit lebih kecil di footer */
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 24px;
  text-align: center;
  color: #8b827d;
}

/* Responsif Footer untuk Mobile */
@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

/* Styling Error untuk Validasi Formulir */
.error-text {
  color: var(--error);
  font-size: 12px;
  margin-top: 4px;
  display: none;
}
.field.has-error .form-input {
  border-color: var(--error);
}
.field.has-error .error-text {
  display: block;
}