/*
 * Vokarya landing page — static CSS (no build step).
 * Design tokens mirror app/src/index.css (Merah Putih: brand red reserved for
 * accents, warm off-white neutrals, Plus Jakarta Sans, generous rounded corners).
 * Keep this file's tokens in sync with app/src/index.css if the product theme changes.
 */

@font-face {
  font-family: "Plus Jakarta Sans";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("fonts/plus-jakarta-sans-latin-400-normal.woff2") format("woff2");
}
@font-face {
  font-family: "Plus Jakarta Sans";
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url("fonts/plus-jakarta-sans-latin-500-normal.woff2") format("woff2");
}
@font-face {
  font-family: "Plus Jakarta Sans";
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("fonts/plus-jakarta-sans-latin-600-normal.woff2") format("woff2");
}
@font-face {
  font-family: "Plus Jakarta Sans";
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url("fonts/plus-jakarta-sans-latin-700-normal.woff2") format("woff2");
}
@font-face {
  font-family: "Plus Jakarta Sans";
  font-style: normal;
  font-weight: 800;
  font-display: swap;
  src: url("fonts/plus-jakarta-sans-latin-800-normal.woff2") format("woff2");
}

:root {
  --font-sans: "Plus Jakarta Sans", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;

  --color-merah-50: #fef2f2;
  --color-merah-100: #fde3e3;
  --color-merah-400: #f0707a;
  --color-merah-500: #e31e24;
  --color-merah-600: #c81620;
  --color-merah-700: #a80f1e;

  --color-neutral-0: #ffffff;
  --color-neutral-25: #fbfaf9;
  --color-neutral-50: #f7f5f3;
  --color-neutral-100: #efece8;
  --color-neutral-200: #e2ddd6;
  --color-neutral-300: #cbc3b8;
  --color-neutral-400: #a69a8b;
  --color-neutral-500: #837565;
  --color-neutral-600: #665a4d;
  --color-neutral-700: #4d4339;
  --color-neutral-800: #332c26;
  --color-neutral-900: #211c17;
  --color-neutral-950: #16120e;

  --color-success-500: #1aa361;
  --color-success-600: #128a51;

  --radius-md: 14px;
  --radius-lg: 18px;
  --radius-xl: 22px;
  --radius-2xl: 28px;
  --radius-full: 999px;

  --shadow-card: 0 1px 2px rgba(33, 28, 23, 0.04), 0 8px 24px -8px rgba(33, 28, 23, 0.12);
  --shadow-card-hover: 0 2px 4px rgba(33, 28, 23, 0.06), 0 16px 32px -12px rgba(33, 28, 23, 0.18);
  --shadow-pop: 0 4px 8px rgba(227, 30, 36, 0.16), 0 12px 28px -8px rgba(227, 30, 36, 0.28);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  background-color: var(--color-neutral-50);
  color: var(--color-neutral-900);
  -webkit-font-smoothing: antialiased;
  line-height: 1.5;
}

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

a {
  color: inherit;
}

.wrap {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(247, 245, 243, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-neutral-200);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-top: 14px;
  padding-bottom: 14px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-weight: 800;
  font-size: 1.15rem;
  color: var(--color-neutral-950);
}

.brand-mark {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-md);
  background: var(--color-merah-500);
  box-shadow: var(--shadow-pop);
  display: flex;
  align-items: center;
  justify-content: center;
  flex: none;
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.header-nav a:not(.btn) {
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--color-neutral-600);
}

.header-nav a:not(.btn):hover {
  color: var(--color-neutral-900);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.lang-switch {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--color-neutral-500);
  text-decoration: none;
  border: 1px solid var(--color-neutral-300);
  border-radius: var(--radius-full);
  padding: 6px 12px;
  white-space: nowrap;
}

.lang-switch:hover {
  border-color: var(--color-merah-400);
  color: var(--color-merah-600);
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: var(--radius-full);
  font-weight: 700;
  font-size: 0.95rem;
  padding: 12px 22px;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background-color 0.15s ease;
  white-space: nowrap;
}

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

.btn-primary {
  background: var(--color-merah-500);
  color: #fff;
  box-shadow: var(--shadow-pop);
}

.btn-primary:hover {
  background: var(--color-merah-600);
}

.btn-ghost {
  background: var(--color-neutral-0);
  color: var(--color-neutral-800);
  border-color: var(--color-neutral-300);
}

.btn-ghost:hover {
  border-color: var(--color-merah-400);
  color: var(--color-merah-600);
}

.btn-sm {
  padding: 9px 16px;
  font-size: 0.85rem;
}

/* ---------- Hero ---------- */

.hero {
  position: relative;
  overflow: hidden;
  padding: 88px 0 96px;
  background: var(--color-neutral-25);
}

/* A quiet dot-grid instead of a coloured gradient wash — texture without
   leaning on brand red. Faded out toward the edges via mask so it reads as
   atmosphere, not a pattern. */
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle at 1px 1px, var(--color-neutral-300) 1px, transparent 0);
  background-size: 28px 28px;
  opacity: 0.55;
  -webkit-mask-image: radial-gradient(640px 460px at 78% 8%, #000, transparent 72%);
  mask-image: radial-gradient(640px 460px at 78% 8%, #000, transparent 72%);
  pointer-events: none;
}

.hero .wrap {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 340px);
  gap: 56px;
  align-items: center;
}

/* Typographic section label — replaces the old pill-shaped "eyebrow" badge.
   No background/border: the section break is carried by whitespace and the
   heading itself, this is just a small wayfinding hint above it. */
.kicker {
  display: block;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-neutral-500);
  margin: 0 0 14px;
}

.hero h1 {
  font-size: clamp(2.1rem, 4.2vw, 3.15rem);
  line-height: 1.08;
  font-weight: 800;
  letter-spacing: -0.015em;
  margin: 0 0 22px;
  color: var(--color-neutral-950);
}

.hero p.lead {
  font-size: 1.1rem;
  color: var(--color-neutral-600);
  max-width: 46ch;
  margin: 0 0 34px;
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

/* ---------- Device frame (real product screenshots) ---------- */

.device-frame {
  position: relative;
  border-radius: 32px;
  background: var(--color-neutral-950);
  padding: 8px;
  box-shadow: var(--shadow-card-hover);
}

.device-frame::before {
  content: "";
  position: absolute;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  width: 42px;
  height: 5px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.22);
  z-index: 1;
}

.device-frame img {
  position: relative;
  display: block;
  width: 100%;
  height: auto;
  border-radius: 25px;
  background: var(--color-neutral-0);
}

.hero-visual {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
}

.device-frame--hero {
  width: min(300px, 84vw);
}

.hero-visual-caption {
  max-width: 280px;
  text-align: center;
  font-size: 0.82rem;
  line-height: 1.5;
  color: var(--color-neutral-500);
}

.device-frame--step {
  width: min(320px, 78vw);
  border-radius: 26px;
  padding: 6px;
}

.device-frame--step::before {
  top: 11px;
  width: 32px;
  height: 4px;
}

.device-frame--step img {
  border-radius: 20px;
}

/* ---------- Section shell ---------- */

section {
  padding: 88px 0;
}

.section-head {
  max-width: 640px;
  margin: 0 0 48px;
}

.section-head h2 {
  font-size: clamp(1.6rem, 2.6vw, 2.1rem);
  font-weight: 800;
  letter-spacing: -0.01em;
  margin: 0 0 14px;
  color: var(--color-neutral-950);
}

.section-head p {
  color: var(--color-neutral-600);
  font-size: 1.02rem;
  margin: 0;
}

/* ---------- Features ---------- */

.features {
  background: var(--color-neutral-0);
  border-top: 1px solid var(--color-neutral-200);
  border-bottom: 1px solid var(--color-neutral-200);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.feature-card {
  background: var(--color-neutral-25);
  border: 1px solid var(--color-neutral-200);
  border-radius: var(--radius-xl);
  padding: 26px;
  box-shadow: var(--shadow-card);
  transition: box-shadow 0.15s ease, transform 0.15s ease;
}

.feature-card:hover {
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-2px);
}

.feature-icon {
  width: 46px;
  height: 46px;
  border-radius: var(--radius-md);
  background: var(--color-neutral-100);
  color: var(--color-neutral-700);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  transition: background-color 0.15s ease, color 0.15s ease;
}

.feature-icon svg {
  width: 24px;
  height: 24px;
  stroke: currentColor;
}

.feature-card:hover .feature-icon {
  background: var(--color-merah-50);
  color: var(--color-merah-600);
}

.feature-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin: 0 0 8px;
  color: var(--color-neutral-950);
}

.feature-card p {
  font-size: 0.92rem;
  color: var(--color-neutral-600);
  margin: 0;
}

/* ---------- How it works ----------
   Each step is a full-width row: real screenshot on one side, copy on the
   other, alternating left/right down the page. Rows are large so the
   screenshot is actually legible — the whole point is proving the product
   is real, not decorating a bullet list. */

.how-steps {
  counter-reset: how-step;
  display: flex;
  flex-direction: column;
  gap: 76px;
}

.how-step {
  counter-increment: how-step;
  display: flex;
  align-items: center;
  gap: 56px;
}

.how-step--reverse {
  flex-direction: row-reverse;
}

.how-step-text {
  flex: 1 1 0;
  min-width: 0;
}

.how-step-visual {
  flex: 0 0 380px;
  display: flex;
  justify-content: center;
}

.how-step-num {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background: var(--color-neutral-950);
  color: #fff;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.how-step-num::before {
  content: counter(how-step, decimal-leading-zero);
}

.how-step-text h3 {
  font-size: 1.3rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  margin: 0 0 12px;
  color: var(--color-neutral-950);
}

.how-step-text p {
  font-size: 1rem;
  color: var(--color-neutral-600);
  max-width: 44ch;
  margin: 0;
}

/* ---------- Contact form ---------- */

#kontak,
#contact {
  background: var(--color-neutral-0);
  border-top: 1px solid var(--color-neutral-200);
}

.contact-card {
  max-width: 760px;
  background: var(--color-neutral-25);
  border: 1px solid var(--color-neutral-200);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-card);
  padding: 40px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px 24px;
}

.form-field-full {
  grid-column: 1 / -1;
}

.form-field label {
  display: block;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-neutral-700);
  margin-bottom: 7px;
}

.form-field .optional {
  font-weight: 500;
  color: var(--color-neutral-500);
  font-size: 0.8rem;
}

.form-field input,
.form-field textarea {
  width: 100%;
  font: inherit;
  font-size: 0.95rem;
  color: var(--color-neutral-900);
  background: var(--color-neutral-0);
  border: 1px solid var(--color-neutral-300);
  border-radius: var(--radius-md);
  padding: 11px 14px;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.form-field textarea {
  resize: vertical;
  min-height: 96px;
}

.form-field input:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--color-merah-400);
  box-shadow: 0 0 0 3px rgba(227, 30, 36, 0.12);
}

/* Honeypot — kept in the DOM and tab order out of reach, invisible to sighted
   users (not display:none, which some bots skip), so real visitors never see
   or fill it while simple bots that fill every field will trip it. The
   contact-form.js payload sends this field's value as-is; the (separate,
   server-side) endpoint is expected to silently reject/ignore non-empty
   values instead of erroring, so a tripped bot gets no useful signal back. */
.hp-field {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  left: -9999px;
}

.privacy-note {
  grid-column: 1 / -1;
  margin: 4px 0 0;
  font-size: 0.82rem;
  color: var(--color-neutral-500);
}

.form-actions {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 4px;
}

.form-actions .btn[disabled] {
  opacity: 0.6;
  cursor: not-allowed;
}

.form-status {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-neutral-600);
}

.form-status[data-state="success"] {
  color: var(--color-success-600);
}

.form-status[data-state="error"] {
  color: var(--color-merah-600);
}

/* ---------- Footer ---------- */

.site-footer {
  border-top: 1px solid var(--color-neutral-200);
  padding: 40px 0;
}

.footer-grid {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  color: var(--color-neutral-700);
}

.footer-brand .brand-mark {
  width: 26px;
  height: 26px;
  border-radius: 9px;
}

.footer-meta {
  font-size: 0.82rem;
  color: var(--color-neutral-500);
  line-height: 1.7;
}

.footer-links {
  display: flex;
  gap: 20px;
  font-size: 0.85rem;
  font-weight: 600;
}

.footer-links a {
  text-decoration: none;
  color: var(--color-neutral-600);
}

.footer-links a:hover {
  color: var(--color-merah-600);
}

@media (max-width: 860px) {
  .header-nav {
    display: none;
  }

  .hero .wrap {
    grid-template-columns: 1fr;
  }

  .feature-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .how-steps {
    gap: 48px;
  }

  .how-step,
  .how-step--reverse {
    flex-direction: column;
    align-items: stretch;
    gap: 24px;
  }

  .how-step-visual {
    order: -1;
    flex-basis: auto;
  }

  .contact-card {
    padding: 28px;
  }

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

@media (max-width: 560px) {
  .wrap {
    padding: 0 18px;
  }

  .hero {
    padding: 56px 0 64px;
  }

  section {
    padding: 60px 0;
  }

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

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

@media (prefers-color-scheme: dark) {
  body {
    background-color: var(--color-neutral-950);
    color: var(--color-neutral-100);
  }

  .site-header {
    background: rgba(22, 18, 14, 0.85);
    border-bottom-color: var(--color-neutral-800);
  }

  .brand {
    color: var(--color-neutral-0);
  }

  .header-nav a:not(.btn) {
    color: var(--color-neutral-400);
  }

  .header-nav a:not(.btn):hover {
    color: var(--color-neutral-0);
  }

  .lang-switch {
    border-color: var(--color-neutral-700);
    color: var(--color-neutral-400);
  }

  .btn-ghost {
    background: transparent;
    color: var(--color-neutral-100);
    border-color: var(--color-neutral-700);
  }

  .hero {
    background: var(--color-neutral-950);
  }

  .hero::before {
    background-image: radial-gradient(circle at 1px 1px, var(--color-neutral-700) 1px, transparent 0);
    opacity: 0.6;
  }

  .hero-visual-caption {
    color: var(--color-neutral-500);
  }

  .device-frame {
    box-shadow: var(--shadow-card);
    border: 1px solid var(--color-neutral-800);
  }

  .hero h1 {
    color: var(--color-neutral-0);
  }

  .hero p.lead {
    color: var(--color-neutral-400);
  }

  .kicker {
    color: var(--color-neutral-500);
  }

  .features {
    background: var(--color-neutral-900);
    border-color: var(--color-neutral-800);
  }

  .feature-card {
    background: var(--color-neutral-950);
    border-color: var(--color-neutral-800);
  }

  .feature-icon {
    background: var(--color-neutral-800);
    color: var(--color-neutral-300);
  }

  .feature-card:hover .feature-icon {
    background: rgba(227, 30, 36, 0.16);
    color: var(--color-merah-400);
  }

  .how-step-num {
    background: var(--color-neutral-800);
    color: var(--color-neutral-0);
  }

  .feature-card h3,
  .section-head h2,
  .how-step-text h3 {
    color: var(--color-neutral-0);
  }

  .section-head p,
  .feature-card p,
  .how-step-text p {
    color: var(--color-neutral-400);
  }

  #kontak,
  #contact {
    background: var(--color-neutral-950);
    border-top-color: var(--color-neutral-800);
  }

  .contact-card {
    background: var(--color-neutral-900);
    border-color: var(--color-neutral-800);
  }

  .form-field label {
    color: var(--color-neutral-300);
  }

  .form-field input,
  .form-field textarea {
    background: var(--color-neutral-950);
    border-color: var(--color-neutral-700);
    color: var(--color-neutral-100);
  }

  .privacy-note,
  .form-status {
    color: var(--color-neutral-400);
  }

  .site-footer {
    border-top-color: var(--color-neutral-800);
  }

  .footer-brand {
    color: var(--color-neutral-300);
  }

  .footer-links a {
    color: var(--color-neutral-400);
  }
}