/* ——— Design tokens ——— */
:root {
  --ink: #0c1a22;
  --ink-soft: #3d4f5c;
  --foam: #f2f6f8;
  --foam-deep: #e4eef2;
  --sea: #0b5f73;
  --sea-deep: #083d4b;
  --tide: #1a8a9e;
  --sand: #c4a574;
  --line: rgba(12, 26, 34, 0.12);
  --white: #ffffff;
  --radius: 2px;
  --font-display: "Cormorant Garamond", Georgia, serif;
  --font-body: "Sora", sans-serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --header-h: 4.5rem;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 1rem;
  line-height: 1.65;
  color: var(--ink);
  background: var(--foam);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
  text-decoration: none;
}

ul {
  list-style: none;
}

button,
input,
textarea {
  font: inherit;
}

.noise {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 1000;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.container {
  width: min(1120px, calc(100% - 3rem));
  margin-inline: auto;
}

/* ——— Header ——— */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-inline: clamp(1.25rem, 4vw, 3rem);
  transition: background 0.4s var(--ease), backdrop-filter 0.4s var(--ease), color 0.3s ease;
  color: var(--white);
}

.site-header.is-scrolled {
  background: rgba(242, 246, 248, 0.92);
  backdrop-filter: blur(12px);
  color: var(--ink);
  box-shadow: 0 1px 0 var(--line);
}

.logo {
  font-family: var(--font-display);
  font-size: 1.55rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  z-index: 2;
}

.nav {
  display: flex;
  align-items: center;
  gap: 1.35rem;
}

.nav a {
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.04em;
  opacity: 0.85;
  transition: opacity 0.25s ease;
  white-space: nowrap;
}

.nav a:hover {
  opacity: 1;
}

.nav-cta {
  padding: 0.55rem 1.1rem;
  border: 1px solid currentColor;
  opacity: 1 !important;
  transition: background 0.25s ease, color 0.25s ease !important;
}

.site-header:not(.is-scrolled) .nav-cta:hover {
  background: var(--white);
  color: var(--ink);
}

.site-header.is-scrolled .nav-cta:hover {
  background: var(--sea-deep);
  color: var(--white);
  border-color: var(--sea-deep);
}

.menu-btn {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  z-index: 2;
}

.menu-btn span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: currentColor;
  transition: transform 0.3s var(--ease), opacity 0.3s ease;
}

.menu-btn[aria-expanded="true"] span:first-child {
  transform: translateY(3.75px) rotate(45deg);
}

.menu-btn[aria-expanded="true"] span:last-child {
  transform: translateY(-3.75px) rotate(-45deg);
}

/* ——— Hero ——— */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: flex-end;
  color: var(--white);
  overflow: hidden;
}

.hero-slider {
  position: absolute;
  inset: 0;
}

.hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  visibility: hidden;
  transition: opacity 1s var(--ease), visibility 1s;
}

.hero-slide.is-active {
  opacity: 1;
  visibility: visible;
}

.hero-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 40%;
  transform: scale(1.06);
  transition: transform 8s var(--ease);
}

.hero-slide.is-active img {
  transform: scale(1);
}

.hero-veil {
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(180deg, rgba(8, 30, 40, 0.35) 0%, rgba(8, 30, 40, 0.15) 35%, rgba(8, 30, 40, 0.72) 100%),
    linear-gradient(90deg, rgba(8, 40, 50, 0.45) 0%, transparent 55%);
}

.hero-content {
  position: relative;
  z-index: 2;
  width: min(720px, calc(100% - 3rem));
  margin: 0 auto 0 clamp(1.5rem, 5vw, 4rem);
  padding-bottom: clamp(5rem, 12vh, 8rem);
  animation: fadeUp 1.1s var(--ease) 0.15s both;
}

.brand {
  font-family: var(--font-display);
  font-size: clamp(2.75rem, 7vw, 5.5rem);
  font-weight: 600;
  line-height: 1;
  letter-spacing: -0.01em;
  margin-bottom: 1rem;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(1.65rem, 3.2vw, 2.35rem);
  font-weight: 500;
  font-style: italic;
  line-height: 1.25;
  max-width: 18ch;
  margin-bottom: 1rem;
  opacity: 0.95;
}

.lede {
  font-size: clamp(0.95rem, 1.5vw, 1.05rem);
  font-weight: 300;
  max-width: 38ch;
  opacity: 0.88;
  margin-bottom: 2rem;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.9rem 1.6rem;
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.3s ease, color 0.3s ease, border-color 0.3s ease, transform 0.3s var(--ease);
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--white);
  color: var(--sea-deep);
}

.btn-primary:hover {
  background: var(--foam-deep);
}

.btn-ghost {
  background: transparent;
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.45);
}

.btn-ghost:hover {
  border-color: var(--white);
  background: rgba(255, 255, 255, 0.08);
}

.hero-controls {
  position: absolute;
  right: clamp(1.25rem, 4vw, 3rem);
  bottom: 2.5rem;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 1rem;
  animation: fadeIn 1s ease 1.2s both;
}

.hero-nav {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.4);
  color: var(--white);
  cursor: pointer;
  transition: background 0.25s ease, border-color 0.25s ease;
}

.hero-nav:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: var(--white);
}

.hero-dots {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.hero-dot {
  width: 7px;
  height: 7px;
  padding: 0;
  border: none;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.35);
  cursor: pointer;
  transition: background 0.3s ease, transform 0.3s var(--ease);
}

.hero-dot.is-active {
  background: var(--white);
  transform: scale(1.25);
}

/* ——— About ——— */
.about {
  padding: clamp(5rem, 12vw, 8rem) 0;
  background:
    radial-gradient(ellipse 80% 50% at 100% 0%, rgba(26, 138, 158, 0.08), transparent 50%),
    linear-gradient(180deg, var(--foam) 0%, var(--foam-deep) 100%);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.05fr;
  gap: clamp(2.5rem, 6vw, 5rem);
  align-items: center;
}

.eyebrow {
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--tide);
  margin-bottom: 1rem;
}

.eyebrow.light {
  color: rgba(255, 255, 255, 0.7);
}

.about-copy h2,
.section-head h2,
.standards-inner h2,
.contact-copy h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--ink);
  margin-bottom: 1.25rem;
}

.about-copy p:not(.eyebrow) {
  color: var(--ink-soft);
  max-width: 38ch;
  font-weight: 300;
}

.about-visual {
  overflow: hidden;
  aspect-ratio: 5 / 4;
}

.about-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 1.2s var(--ease);
}

.about-visual:hover img {
  transform: scale(1.04);
}

/* ——— Services / Lingkup Kerja ——— */
.services {
  padding: clamp(5rem, 12vw, 8rem) 0;
  background: var(--white);
}

.section-head {
  max-width: 36rem;
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
}

.section-sub {
  color: var(--ink-soft);
  font-weight: 300;
  font-size: 0.95rem;
}

.scope-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.scope-panel {
  display: grid;
  grid-template-rows: auto 1fr;
  background: var(--foam);
  border: 1px solid var(--line);
  min-height: 100%;
  overflow: hidden;
}

.scope-panel--wide {
  grid-column: 1 / -1;
  grid-template-columns: 1.1fr 1fr;
  grid-template-rows: 1fr;
}

.scope-media {
  aspect-ratio: 16 / 10;
  overflow: hidden;
}

.scope-panel--wide .scope-media {
  aspect-ratio: auto;
  height: 100%;
  min-height: 280px;
}

.scope-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s var(--ease);
}

.scope-panel:hover .scope-media img {
  transform: scale(1.04);
}

.scope-body {
  padding: 1.5rem 1.5rem 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.scope-panel--wide .scope-body {
  justify-content: center;
  padding: 2rem 2.25rem;
}

.scope-num {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--tide);
}

.scope-body h3 {
  font-family: var(--font-display);
  font-size: clamp(1.45rem, 2.2vw, 1.85rem);
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: 0.35rem;
}

.scope-body > p {
  color: var(--ink-soft);
  font-weight: 300;
  font-size: 0.92rem;
  line-height: 1.65;
  margin-bottom: 0.85rem;
}

.scope-tf {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem 1.25rem;
  margin-top: auto;
  padding-top: 0.85rem;
  border-top: 1px solid var(--line);
}

.scope-tf h4 {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--tide);
  margin-bottom: 0.55rem;
}

.scope-tf ul {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.scope-tf li {
  position: relative;
  padding-left: 0.85rem;
  font-size: 0.78rem;
  font-weight: 400;
  line-height: 1.45;
  color: var(--ink);
}

.scope-tf li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 0.35rem;
  height: 1px;
  background: var(--tide);
}

/* ——— Standards ——— */
.standards {
  position: relative;
  min-height: 70vh;
  display: flex;
  align-items: center;
  color: var(--white);
  overflow: hidden;
}

.standards-bg {
  position: absolute;
  inset: 0;
}

.standards-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.standards-veil {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, rgba(8, 61, 75, 0.88) 0%, rgba(11, 95, 115, 0.7) 50%, rgba(8, 40, 50, 0.82) 100%);
}

.standards-inner {
  position: relative;
  z-index: 1;
  padding: clamp(4rem, 10vw, 7rem) 0;
  max-width: 40rem;
}

.standards-inner h2 {
  color: var(--white);
}

.standards-lede {
  font-weight: 300;
  opacity: 0.88;
  margin-bottom: 2rem;
  max-width: 38ch;
}

.standards-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem 1.75rem;
}

.standards-tags li {
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  opacity: 0.85;
  padding-bottom: 0.25rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.35);
}

/* ——— Approach ——— */
.approach {
  padding: clamp(5rem, 12vw, 8rem) 0;
  background:
    linear-gradient(180deg, var(--foam-deep) 0%, var(--foam) 100%);
}

.pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: 1px solid var(--line);
}

.pillar {
  padding: 2.25rem 1.75rem 2.25rem 0;
  border-bottom: 1px solid var(--line);
}

.pillar:not(:last-child) {
  border-right: 1px solid var(--line);
  padding-right: 2rem;
  margin-right: 0.5rem;
}

.pillar h3 {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 600;
  margin-bottom: 0.85rem;
  color: var(--sea-deep);
}

.pillar p {
  color: var(--ink-soft);
  font-weight: 300;
  font-size: 0.95rem;
  max-width: 28ch;
}

/* ——— Berita ——— */
.news {
  padding: clamp(5rem, 12vw, 8rem) 0;
  background:
    linear-gradient(180deg, var(--foam) 0%, var(--white) 100%);
}

.news-list {
  border-top: 1px solid var(--line);
}

.news-item {
  display: grid;
  grid-template-columns: 7.5rem 1fr;
  gap: 1.5rem;
  padding: 1.75rem 0;
  border-bottom: 1px solid var(--line);
  align-items: start;
  transition: padding-left 0.35s var(--ease);
}

.news-item:hover {
  padding-left: 0.4rem;
}

.news-item time {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--tide);
  padding-top: 0.35rem;
}

.news-item h3 {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2vw, 1.55rem);
  font-weight: 600;
  line-height: 1.25;
  margin-bottom: 0.45rem;
}

.news-item p {
  color: var(--ink-soft);
  font-weight: 300;
  font-size: 0.92rem;
  max-width: 52ch;
}

/* ——— Biaya ——— */
.pricing {
  padding: clamp(5rem, 12vw, 8rem) 0;
  background:
    radial-gradient(ellipse 70% 45% at 100% 0%, rgba(26, 138, 158, 0.07), transparent 55%),
    var(--foam-deep);
}

.price-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  align-items: stretch;
}

.price-plan {
  display: flex;
  flex-direction: column;
  padding: 1.85rem 1.6rem 1.75rem;
  background: var(--white);
  border: 1px solid var(--line);
}

.price-plan--featured {
  background: var(--sea-deep);
  border-color: var(--sea-deep);
  color: var(--white);
}

.price-label {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--tide);
  margin-bottom: 0.65rem;
}

.price-plan--featured .price-label {
  color: rgba(255, 255, 255, 0.65);
}

.price-plan h3 {
  font-family: var(--font-display);
  font-size: 1.65rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.price-amount {
  font-family: var(--font-display);
  font-size: 2.15rem;
  font-weight: 600;
  line-height: 1;
  color: var(--sea-deep);
  margin-bottom: 1.35rem;
}

.price-plan--featured .price-amount {
  color: var(--white);
}

.price-amount span {
  display: inline-block;
  margin-left: 0.35rem;
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.04em;
  opacity: 0.7;
}

.price-plan ul {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  margin-bottom: 1.75rem;
  flex: 1;
}

.price-plan li {
  position: relative;
  padding-left: 0.9rem;
  font-size: 0.85rem;
  font-weight: 300;
  line-height: 1.45;
  color: var(--ink-soft);
}

.price-plan--featured li {
  color: rgba(255, 255, 255, 0.82);
}

.price-plan li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 0.35rem;
  height: 1px;
  background: var(--tide);
}

.price-plan--featured li::before {
  background: rgba(255, 255, 255, 0.55);
}

.btn-ghost-dark {
  background: transparent;
  color: var(--sea-deep);
  border: 1px solid var(--line);
  align-self: flex-start;
}

.btn-ghost-dark:hover {
  border-color: var(--sea-deep);
  background: var(--foam);
}

.btn-primary-dark {
  background: var(--white);
  color: var(--sea-deep);
  align-self: flex-start;
}

.btn-primary-dark:hover {
  background: var(--foam-deep);
}

.price-note {
  margin-top: 1.75rem;
  font-size: 0.85rem;
  font-weight: 300;
  color: var(--ink-soft);
  text-align: center;
}

/* ——— Contact ——— */
.contact {
  padding: clamp(5rem, 12vw, 8rem) 0;
  background:
    radial-gradient(ellipse 60% 40% at 0% 100%, rgba(196, 165, 116, 0.12), transparent 50%),
    var(--white);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2.5rem, 6vw, 5rem);
  align-items: start;
}

.contact-copy p:not(.eyebrow) {
  color: var(--ink-soft);
  font-weight: 300;
  margin-bottom: 1.75rem;
  max-width: 34ch;
}

.contact-email {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--sea);
  border-bottom: 1px solid rgba(11, 95, 115, 0.3);
  transition: border-color 0.25s ease;
}

.contact-email:hover {
  border-color: var(--sea);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  padding: 2rem;
  background: var(--foam);
  border: 1px solid var(--line);
}

.contact-form label {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.contact-form span {
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.contact-form input,
.contact-form textarea {
  background: var(--white);
  border: 1px solid var(--line);
  padding: 0.85rem 1rem;
  color: var(--ink);
  border-radius: var(--radius);
  outline: none;
  transition: border-color 0.25s ease;
  resize: vertical;
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: var(--tide);
}

.contact-form .btn-primary {
  background: var(--sea-deep);
  color: var(--white);
  align-self: flex-start;
  margin-top: 0.25rem;
}

.contact-form .btn-primary:hover {
  background: var(--sea);
}

.form-note {
  font-size: 0.875rem;
  color: var(--sea);
  font-weight: 400;
}

/* ——— Footer ——— */
.site-footer {
  padding: 2.5rem 0;
  background: var(--sea-deep);
  color: rgba(255, 255, 255, 0.75);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.footer-brand {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--white);
}

.footer-copy {
  font-size: 0.8rem;
  font-weight: 300;
}

/* ——— Reveal ——— */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ——— Animations ——— */
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(32px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 0.7; }
}

/* ——— Responsive ——— */
@media (max-width: 900px) {
  .about-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .about-visual {
    order: -1;
    max-height: 320px;
  }

  .scope-grid {
    grid-template-columns: 1fr;
  }

  .scope-panel--wide {
    grid-template-columns: 1fr;
  }

  .scope-tf {
    grid-template-columns: 1fr;
    gap: 0.85rem;
  }

  .price-grid {
    grid-template-columns: 1fr;
  }

  .news-item {
    grid-template-columns: 1fr;
    gap: 0.45rem;
  }

  .pillars {
    grid-template-columns: 1fr;
  }

  .pillar:not(:last-child) {
    border-right: none;
    padding-right: 0;
    margin-right: 0;
  }

  .pillar {
    padding: 1.75rem 0;
  }
}

@media (max-width: 768px) {
  .menu-btn {
    display: flex;
  }

  .nav {
    position: fixed;
    inset: 0;
    background: var(--sea-deep);
    color: var(--white);
    flex-direction: column;
    justify-content: center;
    gap: 2rem;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.35s var(--ease), visibility 0.35s;
  }

  .nav.is-open {
    opacity: 1;
    visibility: visible;
  }

  .nav a {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 500;
    opacity: 1;
  }

  .nav-cta {
    border: none;
    padding: 0;
  }

  .site-header.is-scrolled .nav {
    color: var(--white);
  }

  .hero-controls {
    left: clamp(1.25rem, 4vw, 3rem);
    right: auto;
  }

  .contact-form {
    padding: 1.5rem;
  }

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .hero-slide img,
  .hero-content,
  .hero-controls,
  .reveal {
    animation: none !important;
    transition: none !important;
    opacity: 1;
    transform: none;
  }
}
