/* =========================================================
   GALAXY INTERINDO — DESIGN TOKENS
   Taruh di: assets/css/design-tokens.css
   Import paling atas di main.css / style.css:  @import "design-tokens.css";
   Palet: Deep Navy + Gold (corporate B2B authority)
   ========================================================= */

:root {
  /* ---- WARNA (rasio 60-30-10) ---- */
  --c-navy:        #0A1F3D;   /* primary / dasar gelap */
  --c-navy-700:    #112A52;   /* navy lebih terang utk hover/section */
  --c-gold:        #C9A227;   /* accent / focal — CTA & angka kunci */
  --c-gold-600:    #B08D1E;   /* gold hover */
  --c-offwhite:    #F7F8FA;   /* surface terang / white space */
  --c-white:       #FFFFFF;
  --c-charcoal:    #1A1A1A;   /* teks utama */
  --c-slate:       #3E5C76;   /* aksen sekunder / border halus */
  --c-slate-200:   #E2E8F0;   /* garis tipis */
  --c-emerald:     #1F8A5B;   /* sukses (form) */
  --c-muted:       #5B6472;   /* teks sekunder */

  /* ---- TIPOGRAFI ---- */
  --font-display: "Sora", "Space Grotesk", system-ui, sans-serif; /* heading: presisi & modern */
  --font-body:    "Inter", "IBM Plex Sans", system-ui, sans-serif; /* body: nyaman dibaca */

  /* skala modular rasio 1.25 */
  --fs-xs:   0.8rem;    /* 12.8 */
  --fs-sm:   1rem;      /* 16   base */
  --fs-md:   1.25rem;   /* 20   */
  --fs-lg:   1.5625rem; /* 25   */
  --fs-xl:   1.953rem;  /* 31   */
  --fs-2xl:  2.441rem;  /* 39   */
  --fs-3xl:  3.052rem;  /* 49   */

  --lh-tight: 1.15;
  --lh-base:  1.65;
  --tracking-tight: -0.02em; /* heading rapat = kesan presisi */

  /* ---- SPACING / WHITE SPACE ---- */
  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2rem;
  --space-6: 3rem;
  --section-pad: 6rem;       /* 96px desktop */
  --section-pad-mobile: 3rem;/* 48px mobile  */
  --container: 1200px;
  --gutter: 1.5rem;          /* 24px */
  --radius: 10px;
  --radius-lg: 16px;

  /* ---- ELEVASI ---- */
  --shadow-sm: 0 1px 3px rgba(10,31,61,.08);
  --shadow-md: 0 8px 24px rgba(10,31,61,.12);
  --shadow-gold: 0 6px 18px rgba(201,162,39,.28);

  /* ---- TRANSISI ---- */
  --ease: cubic-bezier(.16,.84,.44,1);
  --dur: .28s;
}

/* ---------------- BASE ---------------- */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--fs-sm);
  line-height: var(--lh-base);
  color: var(--c-charcoal);
  background: var(--c-offwhite);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  line-height: var(--lh-tight);
  letter-spacing: var(--tracking-tight);
  color: var(--c-navy);
  margin: 0 0 var(--space-3);
}
h1 { font-size: var(--fs-3xl); }
h2 { font-size: var(--fs-2xl); }
h3 { font-size: var(--fs-lg); }

a { color: var(--c-slate); text-decoration: none; transition: color var(--dur) var(--ease); }
a:hover { color: var(--c-gold-600); }

/* ---------------- LAYOUT ---------------- */
.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: var(--gutter); }
.section { padding-block: var(--section-pad); }
.grid-12 { display: grid; grid-template-columns: repeat(12, 1fr); gap: var(--gutter); }

/* ---------------- TOMBOL / CTA ---------------- */
.btn {
  display: inline-flex; align-items: center; gap: .5rem;
  font-family: var(--font-display); font-weight: 600;
  padding: .85rem 1.6rem; border-radius: var(--radius);
  border: 1px solid transparent; cursor: pointer;
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), background var(--dur) var(--ease);
}
.btn:hover { transform: translateY(-2px); }

/* Focal point: CTA Gold di atas Navy = kontras maksimum */
.btn--primary { background: var(--c-gold); color: var(--c-navy); box-shadow: var(--shadow-gold); }
.btn--primary:hover { background: var(--c-gold-600); color: var(--c-navy); }

.btn--outline { background: transparent; color: var(--c-white); border-color: rgba(255,255,255,.5); }
.btn--outline:hover { border-color: var(--c-gold); color: var(--c-gold); }

.btn--ghost { background: var(--c-navy); color: var(--c-white); }
.btn--ghost:hover { background: var(--c-navy-700); }

/* ---------------- HERO ---------------- */
.hero { background: var(--c-navy); color: var(--c-white); padding-block: calc(var(--section-pad) + 1rem); }
.hero h1 { color: var(--c-white); }
.hero .accent { color: var(--c-gold); }
.hero p { color: rgba(255,255,255,.82); font-size: var(--fs-md); max-width: 56ch; }

/* ---------------- KARTU LAYANAN ---------------- */
.service-card {
  background: var(--c-white); border: 1px solid var(--c-slate-200);
  border-radius: var(--radius-lg); padding: var(--space-4);
  box-shadow: var(--shadow-sm); transition: box-shadow var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.service-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); border-color: var(--c-gold); }
.service-card__icon { color: var(--c-gold); }

/* ---------------- LOGO KLIEN (trust) ---------------- */
.client-logos { display: flex; flex-wrap: wrap; gap: var(--space-4); align-items: center; opacity: .85; }
.client-logos img { height: 38px; filter: grayscale(1); transition: filter var(--dur) var(--ease); }
.client-logos img:hover { filter: grayscale(0); }

/* ---------------- STICKY CTA MOBILE (bottom bar) ---------------- */
.mobile-cta {
  position: fixed; inset-inline: 0; bottom: 0; z-index: 60;
  display: none; grid-template-columns: 1fr 1fr 1fr;
  background: var(--c-navy); box-shadow: 0 -4px 20px rgba(10,31,61,.25);
}
.mobile-cta a {
  display: flex; flex-direction: column; align-items: center; gap: 2px;
  padding: .7rem; color: var(--c-white); font-size: var(--fs-xs); font-weight: 600;
}
.mobile-cta a.is-primary { background: var(--c-gold); color: var(--c-navy); }

/* ---------------- FORM LEADS (4 field) ---------------- */
.lead-form { display: grid; gap: var(--space-2); max-width: 480px; }
.lead-form input, .lead-form select, .lead-form textarea {
  font-family: var(--font-body); font-size: var(--fs-sm);
  padding: .8rem 1rem; border: 1px solid var(--c-slate-200);
  border-radius: var(--radius); background: var(--c-white); width: 100%;
}
.lead-form input:focus, .lead-form select:focus, .lead-form textarea:focus {
  outline: none; border-color: var(--c-gold); box-shadow: 0 0 0 3px rgba(201,162,39,.18);
}

/* ---------------- RESPONSIVE ---------------- */
@media (max-width: 860px) {
  :root { --section-pad: var(--section-pad-mobile); }
  h1 { font-size: var(--fs-2xl); }
  h2 { font-size: var(--fs-xl); }
  .grid-12 { grid-template-columns: 1fr; }
  .mobile-cta { display: grid; }
  body { padding-bottom: 64px; } /* ruang utk bottom bar */
}

/* aksesibilitas */
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}