/* ==========================================================
   coolingtower.biz.id - Landing page (website dalam pengembangan)
   Palet: air dalam (navy-teal) + aqua, dengan aksen amber
   sebagai penanda "panas" yang didinginkan.
   ========================================================== */

:root {
  --abyss: #062B3F;
  --deep: #0B4A66;
  --aqua: #5BDCEB;
  --foam: #D6F3F8;
  --mist: #EEF5F8;
  --ink: #0A2433;
  --slate: #4A6473;
  --amber: #FFB238;
  --amber-hover: #FFC466;

  --font-display: "Bricolage Grotesque", "Trebuchet MS", system-ui, sans-serif;
  --font-body: "Figtree", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;

  --ease: cubic-bezier(.2, .7, .1, 1);
  --gutter: clamp(20px, 5vw, 64px);
}

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

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--ink);
  background: var(--mist);
  -webkit-font-smoothing: antialiased;
}

h1, h2, p, dl, dd, ol { margin: 0; }
ol { padding: 0; list-style: none; }
a { color: inherit; }

:focus-visible {
  outline: 3px solid var(--aqua);
  outline-offset: 3px;
  border-radius: 6px;
}

.skip {
  position: absolute;
  left: 16px;
  top: -60px;
  z-index: 100;
  padding: 10px 16px;
  background: var(--amber);
  color: var(--abyss);
  font-weight: 600;
  text-decoration: none;
  border-radius: 8px;
  transition: top .2s;
}
.skip:focus { top: 16px; }

/* ---------- Animasi masuk (satu rangkaian saat halaman dibuka) ---------- */
@keyframes rise-mask {
  from { transform: translateY(110%); }
  to   { transform: translateY(0); }
}
@keyframes fade-up {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: none; }
}
.rise {
  opacity: 0;
  animation: fade-up .8s var(--ease) forwards;
  animation-delay: var(--d, 0s);
}

/* ==========================================================
   HERO
   ========================================================== */
.hero {
  position: relative;
  isolation: isolate;
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  color: #fff;
  overflow: hidden;
  padding-bottom: clamp(150px, 20vw, 230px);
  background:
    radial-gradient(55% 45% at 88% 8%, rgba(91, 220, 235, .24), transparent 62%),
    radial-gradient(60% 50% at 0% 100%, rgba(11, 74, 102, .85), transparent 70%),
    linear-gradient(180deg, #062B3F 0%, #08354D 100%);
}

/* pola titik halus, memudar ke bawah */
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image: radial-gradient(rgba(255, 255, 255, .09) 1px, transparent 1px);
  background-size: 28px 28px;
  -webkit-mask-image: linear-gradient(180deg, #000 0%, transparent 75%);
          mask-image: linear-gradient(180deg, #000 0%, transparent 75%);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: 100%;
  max-width: calc(1240px + var(--gutter) * 2);
  margin: 0 auto;
  padding: 26px var(--gutter);
  animation: fade-up .8s var(--ease) both;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}
.brand__mark { width: 34px; height: 34px; flex: none; }
.brand__name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -.01em;
}
.brand__tld { font-weight: 500; color: rgba(255, 255, 255, .6); }

.nav__link {
  font-weight: 500;
  font-size: .95rem;
  text-decoration: none;
  padding: 9px 16px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, .28);
  white-space: nowrap;
  transition: background .25s, border-color .25s;
}
.nav__link:hover { background: rgba(255, 255, 255, .1); border-color: rgba(255, 255, 255, .5); }

.hero__inner {
  flex: 1;
  width: 100%;
  max-width: calc(1240px + var(--gutter) * 2);
  margin: 0 auto;
  padding: clamp(28px, 6vh, 72px) var(--gutter) 0;
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, .8fr);
  gap: clamp(32px, 6vw, 88px);
  align-items: center;
}

/* status */
.status {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 16px 8px 14px;
  border-radius: 999px;
  background: rgba(255, 178, 56, .12);
  border: 1px solid rgba(255, 178, 56, .38);
  color: #FFD08A;
  font-size: .92rem;
  font-weight: 500;
}
.status__dot {
  position: relative;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--amber);
}
.status__dot::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: var(--amber);
  animation: ping 2s ease-out infinite;
}
@keyframes ping {
  0%   { transform: scale(1);   opacity: .7; }
  80%, 100% { transform: scale(3.2); opacity: 0; }
}

/* judul */
.title {
  margin-top: 26px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.4rem, 4.9vw, 4.4rem);
  line-height: 1.02;
  letter-spacing: -.035em;
  font-variation-settings: "opsz" 96;
}
.title__line {
  display: block;
  overflow: hidden;
  padding-bottom: .1em;
  margin-bottom: -.1em;
}
.title__line > span {
  display: block;
  transform: translateY(110%);
  animation: rise-mask 1s var(--ease) forwards;
  animation-delay: calc(.15s + var(--i) * .13s);
}
.title__line:last-child > span { color: var(--aqua); }

.lead {
  margin-top: 28px;
  max-width: 52ch;
  font-size: clamp(1.02rem, 1.4vw, 1.18rem);
  color: rgba(255, 255, 255, .78);
}

/* tombol */
.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 36px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 52px;
  padding: 0 26px;
  border-radius: 999px;
  border: 1px solid transparent;
  font: 600 1rem/1 var(--font-body);
  text-decoration: none;
  cursor: pointer;
  transition: transform .25s var(--ease), background .25s, border-color .25s, box-shadow .25s, color .25s;
}
.btn svg { width: 22px; height: 22px; flex: none; }
.icon-chat { fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }

.btn--primary {
  background: var(--amber);
  color: var(--abyss);
  box-shadow: 0 10px 28px -10px rgba(255, 178, 56, .7);
}
.btn--primary:hover {
  background: var(--amber-hover);
  transform: translateY(-2px);
  box-shadow: 0 16px 32px -12px rgba(255, 178, 56, .8);
}
.btn--ghost {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, .32);
}
.btn--ghost:hover { background: rgba(255, 255, 255, .1); border-color: rgba(255, 255, 255, .6); }

/* panel progres */
.panel {
  padding: clamp(24px, 3vw, 34px);
  border-radius: 24px;
  background: linear-gradient(160deg, rgba(255, 255, 255, .11), rgba(255, 255, 255, .04));
  border: 1px solid rgba(255, 255, 255, .16);
  -webkit-backdrop-filter: blur(12px);
          backdrop-filter: blur(12px);
  box-shadow: 0 30px 60px -30px rgba(0, 0, 0, .5);
}
.panel__title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -.01em;
}

.bar {
  margin-top: 18px;
  height: 8px;
  border-radius: 999px;
  background: rgba(255, 255, 255, .12);
  overflow: hidden;
}
.bar__fill {
  position: relative;
  display: block;
  height: 100%;
  width: 0;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--aqua), #9BEFF8);
  animation: fill-bar 1.6s var(--ease) 1.1s forwards;
  overflow: hidden;
}
.bar__fill::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, transparent 30%, rgba(255, 255, 255, .55) 50%, transparent 70%);
  transform: translateX(-100%);
  animation: shimmer 2.8s ease-in-out 2.8s infinite;
}
@keyframes fill-bar { to { width: 60%; } }
@keyframes shimmer  { to { transform: translateX(100%); } }

.steps { margin-top: 26px; display: grid; gap: 22px; }
.step {
  position: relative;
  display: grid;
  grid-template-columns: 26px 1fr;
  gap: 16px;
}
/* garis penghubung antar langkah */
.step:not(:last-child)::before {
  content: "";
  position: absolute;
  left: 12px;
  top: 30px;
  bottom: -18px;
  width: 2px;
  background: rgba(255, 255, 255, .16);
}
.step__mark {
  position: relative;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, .35);
  margin-top: 1px;
}
.step__name { font-weight: 600; line-height: 1.35; }
.step__state { font-size: .9rem; color: rgba(255, 255, 255, .6); }

.step--done .step__mark { background: var(--aqua); border-color: var(--aqua); }
.step--done .step__mark::after {
  content: "";
  position: absolute;
  left: 8px;
  top: 4px;
  width: 6px;
  height: 11px;
  border: solid var(--abyss);
  border-width: 0 2.500px 2.500px 0;
  transform: rotate(45deg);
}
.step--done .step__state { color: var(--aqua); }

.step--active .step__mark { border-color: var(--amber); }
.step--active .step__mark::after {
  content: "";
  position: absolute;
  inset: 5px;
  border-radius: 50%;
  background: var(--amber);
}
.step--active .step__mark::before {
  content: "";
  position: absolute;
  inset: -2px;
  border-radius: 50%;
  border: 2px solid var(--amber);
  animation: ping 2s ease-out infinite;
}
.step--active .step__state { color: #FFD08A; }

.step--todo .step__mark { border-style: dashed; }

/* gelombang air */
.waves {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: clamp(130px, 18vw, 210px);
  z-index: -1;
  overflow: hidden;
  pointer-events: none;
}
.wave {
  position: absolute;
  left: 0;
  bottom: 0;
  width: 200%;
  height: var(--h);
  fill: var(--fill);
  animation: drift var(--t) linear infinite;
  animation-direction: var(--dir);
  will-change: transform;
}
@keyframes drift { to { transform: translateX(-50%); } }

/* ==========================================================
   YANG AKAN TERSEDIA
   ========================================================== */
.offer {
  background: var(--mist);
  padding: clamp(56px, 9vw, 120px) var(--gutter);
}
.offer__inner {
  max-width: 1240px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr);
  gap: clamp(32px, 6vw, 96px);
  align-items: start;
}
.offer__intro { position: sticky; top: 40px; }

.h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.9rem, 3.6vw, 3rem);
  line-height: 1.08;
  letter-spacing: -.03em;
  color: var(--abyss);
}
.h2--light { color: #fff; }

.offer__text {
  margin-top: 20px;
  max-width: 42ch;
  color: var(--slate);
}

.list { border-bottom: 1px solid rgba(10, 36, 51, .16); }
.row {
  display: grid;
  grid-template-columns: minmax(180px, .8fr) 1.2fr;
  gap: 8px 28px;
  align-items: center;
  padding: 24px 0;
  border-top: 1px solid rgba(10, 36, 51, .16);
}
.row dt {
  display: flex;
  align-items: center;
  gap: 14px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.2rem;
  letter-spacing: -.01em;
  color: var(--abyss);
}
.row dd { color: var(--slate); }

.row__icon {
  flex: none;
  width: 42px;
  height: 42px;
  padding: 9px;
  border-radius: 12px;
  background: var(--foam);
  fill: none;
  stroke: var(--deep);
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* baris utama dibuat lebih menonjol */
.row--main { padding: 32px 0; }
.row--main dt { font-size: 1.5rem; }
.row--main .row__icon { background: var(--abyss); stroke: var(--aqua); width: 48px; height: 48px; padding: 11px; }
.row--main dd { color: var(--ink); font-size: 1.1rem; }

/* ==========================================================
   KONTAK
   ========================================================== */
.contact {
  position: relative;
  color: #fff;
  padding: clamp(56px, 9vw, 120px) var(--gutter);
  background:
    radial-gradient(50% 60% at 100% 0%, rgba(91, 220, 235, .2), transparent 65%),
    linear-gradient(180deg, #062B3F 0%, #051F2E 100%);
}
.contact__inner {
  max-width: 1240px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
  gap: clamp(32px, 6vw, 96px);
  align-items: center;
}
.contact__text { margin-top: 20px; max-width: 44ch; color: rgba(255, 255, 255, .74); }

.person {
  padding: clamp(24px, 3vw, 36px);
  border-radius: 24px;
  background: #fff;
  color: var(--ink);
  box-shadow: 0 40px 70px -35px rgba(0, 0, 0, .6);
}
.person__head { display: flex; align-items: center; gap: 16px; }
.person__avatar {
  display: grid;
  place-items: center;
  width: 56px;
  height: 56px;
  border-radius: 16px;
  background: var(--abyss);
  color: var(--aqua);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
}
.person__name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.35rem;
  line-height: 1.2;
  color: var(--abyss);
}
.person__role { color: var(--slate); font-size: .95rem; }

.person__label { margin-top: 28px; color: var(--slate); font-size: .95rem; }
.person__number {
  display: inline-block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.8rem, 3.6vw, 2.4rem);
  letter-spacing: -.02em;
  color: var(--abyss);
  text-decoration: none;
}
.person__number:hover { color: var(--deep); }

.person .actions { margin-top: 24px; }
.person .btn--ghost { color: var(--abyss); border-color: rgba(10, 36, 51, .28); }
.person .btn--ghost:hover { background: var(--foam); border-color: var(--deep); }
.person :focus-visible { outline-color: var(--deep); }

/* ==========================================================
   FOOTER
   ========================================================== */
.footer {
  background: #051F2E;
  color: rgba(255, 255, 255, .62);
  font-size: .95rem;
  border-top: 1px solid rgba(255, 255, 255, .08);
}
.footer__inner {
  max-width: calc(1240px + var(--gutter) * 2);
  margin: 0 auto;
  padding: 26px var(--gutter);
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  justify-content: space-between;
}
.footer a { color: #fff; font-weight: 600; text-underline-offset: 4px; }
.footer a:hover { color: var(--aqua); }

/* ---------- Toast ---------- */
.toast {
  position: fixed;
  left: 50%;
  bottom: 28px;
  z-index: 50;
  padding: 12px 20px;
  border-radius: 999px;
  background: var(--abyss);
  color: #fff;
  font-weight: 500;
  font-size: .95rem;
  box-shadow: 0 16px 40px -12px rgba(0, 0, 0, .5);
  opacity: 0;
  transform: translate(-50%, 16px);
  pointer-events: none;
  transition: opacity .3s, transform .3s var(--ease);
}
.toast.is-visible { opacity: 1; transform: translate(-50%, 0); }

/* ==========================================================
   RESPONSIF
   ========================================================== */
@media (max-width: 900px) {
  .hero__inner,
  .offer__inner,
  .contact__inner { grid-template-columns: 1fr; }
  .offer__intro { position: static; }
  .hero { padding-bottom: 150px; }
}

@media (max-width: 560px) {
  .row { grid-template-columns: 1fr; padding: 20px 0; }
  .btn { width: 100%; }
  .nav__link { padding: 8px 14px; }
}

/* ---------- Hormati preferensi kurangi gerakan ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .rise, .nav { animation: none; opacity: 1; }
  .title__line > span { animation: none; transform: none; }
  .bar__fill { animation: none; width: 60%; }
  .bar__fill::after,
  .status__dot::after,
  .step--active .step__mark::before,
  .wave { animation: none; }
  .btn:hover { transform: none; }
}