:root {
  --bg: #0d1117;
  --bg-soft: #121927;
  --surface: #f4efe8;
  --surface-strong: #efe4d5;
  --text: #f6f1ea;
  --text-dark: #17120f;
  --muted: rgba(246, 241, 234, 0.72);
  --muted-dark: rgba(23, 18, 15, 0.7);
  --accent: #eb6d45;
  --accent-soft: rgba(235, 109, 69, 0.14);
  --line: rgba(246, 241, 234, 0.12);
  --line-dark: rgba(23, 18, 15, 0.14);
  --max-width: 1180px;
  --header-height: 76px;
  --shadow: 0 40px 120px rgba(0, 0, 0, 0.28);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "IBM Plex Sans Thai", sans-serif;
  background:
    radial-gradient(circle at top right, rgba(235, 109, 69, 0.16), transparent 28%),
    radial-gradient(circle at left center, rgba(108, 145, 255, 0.08), transparent 22%),
    var(--bg);
  color: var(--text);
}

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

button,
a {
  -webkit-tap-highlight-color: transparent;
}

.page-shell {
  min-height: 100vh;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px clamp(20px, 4vw, 44px);
  min-height: var(--header-height);
  backdrop-filter: blur(18px);
  background: rgba(13, 17, 23, 0.62);
  border-bottom: 1px solid var(--line);
}

.brand,
.site-nav {
  display: flex;
  align-items: center;
}

.brand {
  gap: 12px;
  font-family: "Chakra Petch", sans-serif;
  letter-spacing: 0.04em;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  overflow: hidden;
  background: #050608;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.06);
}

.brand-logo {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.brand-text {
  font-size: 0.96rem;
  text-transform: uppercase;
}

.site-nav {
  gap: 26px;
  font-size: 0.95rem;
  color: var(--muted);
  flex-wrap: wrap;
}

.site-nav a {
  position: relative;
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -8px;
  width: 100%;
  height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 220ms ease;
}

.site-nav a:hover::after,
.site-nav a:focus-visible::after {
  transform: scaleX(1);
}

.hero,
.section,
.stats-strip,
.site-footer {
  padding-left: clamp(20px, 4vw, 44px);
  padding-right: clamp(20px, 4vw, 44px);
}

.hero {
  position: relative;
  min-height: calc(100svh - var(--header-height));
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(320px, 0.8fr);
  gap: clamp(32px, 4vw, 64px);
  align-items: end;
  overflow: hidden;
  padding-top: clamp(52px, 9vh, 88px);
  padding-bottom: clamp(48px, 10vh, 80px);
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.88), transparent 88%);
  opacity: 0.28;
  animation: gridPulse 16s linear infinite;
}

.hero-copy,
.hero-panel {
  position: relative;
  z-index: 1;
}

.hero-copy {
  max-width: 700px;
  animation: heroRise 850ms ease forwards;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--accent);
  font-size: 0.84rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.hero h1,
.section h2,
.intro-columns h3,
.system-flow h3,
.proof-rail h3,
.stack-row span:first-child,
.cta-section h2 {
  font-family: "Chakra Petch", sans-serif;
}

.hero h1 {
  margin: 0;
  font-size: clamp(3.2rem, 7vw, 6.8rem);
  line-height: 0.96;
  max-width: 10ch;
  text-wrap: balance;
}

.hero-body {
  max-width: 580px;
  margin: 28px 0 0;
  font-size: 1.08rem;
  line-height: 1.8;
  color: var(--muted);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 34px;
  align-items: stretch;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 152px;
  min-height: 56px;
  padding: 0 26px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-family: "Chakra Petch", sans-serif;
  font-size: 0.98rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition:
    transform 220ms ease,
    background-color 220ms ease,
    border-color 220ms ease,
    color 220ms ease,
    box-shadow 220ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
}

.button-primary {
  background:
    linear-gradient(180deg, #ff875f, #eb6d45 58%, #d65c35);
  color: var(--text);
  box-shadow:
    0 16px 34px rgba(235, 109, 69, 0.34),
    inset 0 1px 0 rgba(255, 255, 255, 0.18);
}

.button-primary:hover,
.button-primary:focus-visible {
  background:
    linear-gradient(180deg, #ff976f, #f1764d 58%, #db6139);
  box-shadow:
    0 20px 40px rgba(235, 109, 69, 0.42),
    inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.button-secondary {
  border-color: rgba(255, 191, 153, 0.32);
  background:
    linear-gradient(180deg, rgba(255, 196, 165, 0.18), rgba(255, 165, 117, 0.12));
  color: #fff4ea;
  box-shadow:
    0 10px 26px rgba(0, 0, 0, 0.18),
    inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.button-secondary:hover,
.button-secondary:focus-visible {
  background:
    linear-gradient(180deg, rgba(255, 209, 184, 0.28), rgba(255, 167, 120, 0.2));
  color: #fffaf6;
  border-color: rgba(255, 209, 184, 0.58);
  box-shadow:
    0 14px 32px rgba(235, 109, 69, 0.18),
    inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.hero-panel {
  align-self: center;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 28px;
  background:
    linear-gradient(160deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.02)),
    rgba(9, 12, 19, 0.58);
  box-shadow: var(--shadow);
  animation: heroRise 1050ms ease forwards;
}

.hero-panel-top,
.signal-list div,
.stats-strip,
.stack-row,
.contact-panel {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.hero-panel-top {
  color: var(--muted);
  font-size: 0.88rem;
  margin-bottom: 28px;
}

.signal-block {
  padding: 18px 0 24px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.signal-label {
  margin: 0 0 8px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.75rem;
}

.signal-value {
  margin: 0;
  font-family: "Chakra Petch", sans-serif;
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  line-height: 1.1;
}

.signal-list {
  display: grid;
  gap: 18px;
  margin-top: 24px;
}

.signal-list div {
  gap: 16px;
  align-items: flex-start;
  padding-bottom: 18px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.signal-list div:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.signal-list span {
  color: var(--muted);
  font-size: 0.88rem;
}

.signal-list strong {
  max-width: 250px;
  text-align: right;
  font-size: 0.96rem;
  line-height: 1.6;
}

.stats-strip {
  gap: 28px;
  padding-top: 24px;
  padding-bottom: 34px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.stats-strip > div {
  flex: 1;
  min-width: 0;
}

.stat-number {
  margin: 0;
  font-family: "Chakra Petch", sans-serif;
  font-size: clamp(2.1rem, 5vw, 4rem);
  line-height: 1;
}

.stat-number::after {
  content: "+";
  margin-left: 4px;
  color: var(--accent);
}

.stat-label {
  margin: 10px 0 0;
  max-width: 260px;
  color: var(--muted);
  line-height: 1.6;
}

.section {
  padding-top: clamp(76px, 10vw, 120px);
  padding-bottom: clamp(76px, 10vw, 120px);
}

.intro,
.stack-section {
  background: var(--surface);
  color: var(--text-dark);
}

.section-head {
  max-width: 860px;
  margin-bottom: 42px;
}

.section h2 {
  margin: 0;
  font-size: clamp(2.2rem, 5vw, 4.2rem);
  line-height: 1.04;
  text-wrap: balance;
}

.intro-columns {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 28px;
  align-items: start;
}

.intro-columns div {
  padding-top: 20px;
  border-top: 1px solid var(--line-dark);
}

.intro-columns h3,
.system-flow h3,
.proof-rail h3 {
  margin: 0 0 12px;
  font-size: 1.4rem;
  line-height: 1.15;
}

.intro-columns p,
.system-flow p,
.proof-copy p,
.proof-rail p,
.cta-section p,
.stack-row span:last-child {
  margin: 0;
  line-height: 1.8;
}

.intro-columns p,
.stack-row span:last-child {
  color: var(--muted-dark);
}

.system-section {
  position: relative;
}

.system-flow {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.system-flow article {
  display: grid;
  grid-template-columns: 84px minmax(0, 0.45fr) minmax(0, 0.55fr);
  gap: 24px;
  align-items: start;
  padding: 26px 0;
  border-bottom: 1px solid var(--line);
}

.flow-step {
  color: var(--accent);
  font-family: "Chakra Petch", sans-serif;
  font-size: 1.2rem;
  line-height: 1;
  padding-top: 6px;
}

.evidence-section {
  background:
    radial-gradient(circle at top left, rgba(235, 109, 69, 0.1), transparent 18%),
    var(--bg-soft);
}

.proof-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: 42px;
}

.proof-copy {
  max-width: 520px;
  font-size: 1.05rem;
  color: var(--muted);
}

.proof-summary {
  margin-bottom: 24px;
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.03);
}

.proof-summary p {
  margin: 0;
  color: var(--muted);
  line-height: 1.9;
  text-wrap: pretty;
}

.proof-summary strong {
  font-family: "Chakra Petch", sans-serif;
  font-size: 1.2rem;
  color: var(--text);
}

.proof-summary span {
  color: var(--muted);
  font-size: 0.92rem;
}

.proof-wall {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.proof-case {
  display: grid;
  gap: 14px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.025)),
    rgba(255, 255, 255, 0.03);
  min-height: 100%;
}

.proof-case-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.proof-case span {
  color: var(--accent);
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.proof-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 6px 10px;
  border: 1px solid rgba(235, 109, 69, 0.25);
  border-radius: 999px;
  background: rgba(235, 109, 69, 0.1);
  color: #ffd8cc;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  white-space: nowrap;
}

.proof-case h3 {
  margin: 0;
  font-family: "Chakra Petch", sans-serif;
  font-size: 1.45rem;
}

.proof-metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px 18px;
}

.proof-metrics p {
  color: var(--text);
}

.proof-metrics strong {
  font-family: "Chakra Petch", sans-serif;
  font-size: 1.05rem;
}

.packages-section {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.02), transparent),
    #101620;
}

.packages-intro {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 28px;
  margin-bottom: 44px;
  color: var(--muted);
}

.packages-intro p,
.package-fit,
.package-volume,
.package-list,
.process-steps article span {
  margin: 0;
  line-height: 1.8;
}

.package-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  align-items: stretch;
}

.package-grid-single {
  grid-template-columns: minmax(0, 520px);
  justify-content: start;
}

.package-card {
  display: flex;
  flex-direction: column;
  min-height: 100%;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 26px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.015)),
    rgba(8, 11, 17, 0.72);
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.18);
}

.package-card-featured {
  transform: translateY(-10px);
  border-color: rgba(235, 109, 69, 0.55);
  background:
    radial-gradient(circle at top, rgba(235, 109, 69, 0.18), transparent 42%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.055), rgba(255, 255, 255, 0.02)),
    rgba(8, 11, 17, 0.82);
}

.package-topline,
.package-list li,
.process-steps article {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.package-topline {
  margin-bottom: 20px;
}

.package-size {
  font-family: "Chakra Petch", sans-serif;
  font-size: 2rem;
  line-height: 1;
}

.package-tag {
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--muted);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.package-card h3,
.process-copy h3 {
  margin: 0;
  font-family: "Chakra Petch", sans-serif;
  font-size: 1.48rem;
  line-height: 1.12;
}

.package-pricing {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  margin-top: 26px;
}

.package-price {
  margin: 0;
  font-family: "Chakra Petch", sans-serif;
  font-size: clamp(2.25rem, 3vw, 3.3rem);
  line-height: 1;
}

.package-price span {
  margin-left: 6px;
  color: var(--muted);
  font-size: 1rem;
}

.package-unit {
  min-width: 126px;
  padding: 12px 14px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.04);
  text-align: right;
}

.package-unit span {
  display: block;
  margin-bottom: 6px;
  color: var(--muted);
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.package-unit strong {
  display: block;
  font-family: "Chakra Petch", sans-serif;
  font-size: 1.45rem;
  line-height: 1;
  color: var(--accent);
}

.package-unit small {
  display: block;
  margin-top: 6px;
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.5;
}

.package-volume {
  color: var(--accent);
  font-weight: 600;
  margin-top: 10px;
}

.package-fit {
  margin-top: 14px;
  color: var(--muted);
}

.package-list {
  display: grid;
  gap: 12px;
  padding: 0;
  margin-top: 24px;
  list-style: none;
}

.package-list li {
  padding-top: 14px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--text);
}

.package-list li::before {
  content: "+";
  color: var(--accent);
  font-family: "Chakra Petch", sans-serif;
  font-size: 1.05rem;
}

.package-actions {
  margin-top: auto;
  padding-top: 22px;
}

.package-button {
  width: 100%;
}

.package-process {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 36px;
  margin-top: 44px;
  padding-top: 32px;
  border-top: 1px solid var(--line);
}

.process-copy {
  max-width: 470px;
}

.process-steps {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.process-steps article {
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}

.process-steps article span {
  display: inline-block;
  min-width: 150px;
  color: var(--muted);
  font-size: 0.88rem;
}

.process-steps article strong {
  max-width: 520px;
  font-size: 1rem;
  line-height: 1.7;
}

.stack-table {
  width: min(100%, 980px);
  border-top: 1px solid var(--line-dark);
}

.stack-row {
  gap: 24px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line-dark);
}

.stack-row span:first-child {
  min-width: 180px;
  font-size: 1.15rem;
}

.stack-head {
  font-size: 0.84rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.cta-section {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 360px);
  gap: 32px;
  align-items: start;
}

.cta-copy {
  max-width: 780px;
}

.contact-panel {
  gap: 14px;
  flex-direction: column;
  align-items: flex-start;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.03);
}

.contact-panel p {
  margin: 0 0 8px;
  color: var(--muted);
}

.contact-panel a {
  font-family: "Chakra Petch", sans-serif;
  font-size: 1.18rem;
  line-height: 1.4;
}

.contact-note {
  color: var(--muted);
  line-height: 1.7;
}

.contact-modal {
  position: fixed;
  inset: 0;
  z-index: 40;
  display: grid;
  place-items: center;
  padding: 20px;
  visibility: hidden;
  opacity: 0;
  pointer-events: none;
  transition:
    opacity 220ms ease,
    visibility 220ms ease;
}

.contact-modal.is-open {
  visibility: visible;
  opacity: 1;
  pointer-events: auto;
}

.contact-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(10px);
}

.contact-dialog {
  position: relative;
  z-index: 1;
  width: min(100%, 760px);
  max-height: calc(100dvh - 40px);
  overflow: hidden;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 28px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.02)),
    #0f151f;
  box-shadow: var(--shadow);
}

.contact-dialog-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 18px;
}

.contact-dialog-head h2 {
  margin: 0;
  font-family: "Chakra Petch", sans-serif;
  font-size: clamp(1.75rem, 3.2vw, 2.55rem);
  line-height: 1.02;
}

.modal-close {
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: transparent;
  color: var(--text);
  font-size: 1.4rem;
  cursor: pointer;
}

.brief-form {
  display: grid;
  gap: 14px 16px;
  align-items: start;
}

.brief-form label {
  display: grid;
  gap: 6px;
  font-size: 0.9rem;
  color: var(--muted);
}

.brief-form input,
.brief-form textarea {
  width: 100%;
  padding: 12px 15px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  font: inherit;
}

.brief-form textarea {
  min-height: 116px;
  resize: vertical;
}

.brief-form input:focus,
.brief-form textarea:focus {
  outline: 1px solid rgba(235, 109, 69, 0.6);
  border-color: rgba(235, 109, 69, 0.6);
}

.brief-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 4px;
}

.brief-actions .button {
  flex: 1 1 220px;
}

.brief-note {
  margin: 0;
  color: var(--muted);
  font-size: 0.86rem;
  line-height: 1.6;
}

.brief-status {
  min-height: 24px;
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.5;
}

.brief-status.is-error {
  color: #ffb0a8;
}

.brief-status.is-success {
  color: #9de2bd;
}

.button[disabled] {
  cursor: wait;
  opacity: 0.72;
  transform: none;
  box-shadow: none;
}

@media (min-width: 760px) {
  .brief-form {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .brief-form label:last-of-type,
  .brief-actions,
  .brief-note {
    grid-column: 1 / -1;
  }
}

@media (max-height: 860px) {
  .contact-modal {
    padding: 14px;
  }

  .contact-dialog {
    max-height: calc(100dvh - 28px);
    padding: 20px;
    border-radius: 24px;
    overflow: auto;
  }

  .contact-dialog-head {
    margin-bottom: 14px;
  }

  .contact-dialog-head h2 {
    font-size: clamp(1.55rem, 3vw, 2.2rem);
  }

  .brief-form {
    gap: 12px 14px;
  }

  .brief-form input,
  .brief-form textarea {
    padding: 11px 14px;
  }

  .brief-form textarea {
    min-height: 92px;
  }
}

body.modal-open {
  overflow: hidden;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-top: 20px;
  padding-bottom: 28px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.92rem;
}

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition:
    opacity 650ms ease,
    transform 650ms ease;
}

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

@keyframes heroRise {
  from {
    opacity: 0;
    transform: translateY(28px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes gridPulse {
  0% {
    transform: translate3d(0, 0, 0);
  }
  50% {
    transform: translate3d(18px, 12px, 0);
  }
  100% {
    transform: translate3d(0, 0, 0);
  }
}

@media (max-width: 1080px) {
  .hero,
  .proof-layout,
  .package-process,
  .cta-section {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 48px;
    min-height: auto;
  }

  .hero-panel {
    max-width: 620px;
  }

  .system-flow article {
    grid-template-columns: 64px 1fr;
  }

  .system-flow article p {
    grid-column: 2;
  }

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

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

  .package-card-featured {
    transform: none;
  }
}

@media (max-width: 820px) {
  .site-header {
    align-items: flex-start;
    gap: 14px;
  }

  .site-nav {
    gap: 14px 18px;
  }

  .stats-strip,
  .site-footer {
    flex-direction: column;
    align-items: flex-start;
  }

  .intro-columns,
  .packages-intro,
  .package-grid,
  .proof-wall {
    grid-template-columns: 1fr;
  }

  .proof-metrics {
    grid-template-columns: 1fr;
  }

  .stack-row {
    align-items: flex-start;
    flex-direction: column;
  }

  .stack-row span:first-child {
    min-width: 0;
  }
}

@media (max-width: 640px) {
  .site-header {
    padding-top: 16px;
    padding-bottom: 16px;
  }

  .brand-text {
    font-size: 0.86rem;
  }

  .site-nav {
    width: 100%;
    overflow-x: auto;
    flex-wrap: nowrap;
    padding-bottom: 4px;
    scrollbar-width: thin;
  }

  .site-nav a {
    flex: 0 0 auto;
    white-space: nowrap;
  }

  .hero h1 {
    max-width: 100%;
    font-size: clamp(2.6rem, 14vw, 4.6rem);
    line-height: 1.02;
  }

  .hero-body {
    font-size: 1rem;
    line-height: 1.7;
  }

  .hero-actions {
    gap: 12px;
  }

  .hero-actions .button,
  .package-actions .button,
  .contact-panel .button {
    width: 100%;
  }

  .button {
    min-height: 54px;
    width: 100%;
    justify-content: center;
  }

  .hero-panel,
  .contact-panel {
    padding: 22px;
  }

  .signal-value {
    font-size: clamp(1.55rem, 8vw, 2.1rem);
  }

  .system-flow article {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .system-flow article p {
    grid-column: auto;
  }

  .signal-list div {
    flex-direction: column;
  }

  .signal-list strong {
    max-width: 100%;
    text-align: left;
  }

  .process-steps article,
  .package-topline {
    flex-direction: column;
  }

  .process-steps article span {
    min-width: 0;
  }

  .brief-actions {
    flex-direction: column;
  }

  .proof-case-head {
    align-items: flex-start;
    flex-direction: column;
  }

  .proof-summary {
    padding: 16px 16px 18px;
  }

  .proof-summary p {
    font-size: 0.96rem;
    line-height: 1.8;
  }

  .proof-summary strong {
    display: inline-block;
    margin-top: 4px;
  }

  .proof-case,
  .package-card {
    padding: 20px;
  }

  .package-pricing {
    align-items: flex-start;
    flex-direction: column;
  }

  .package-unit {
    min-width: 0;
    width: 100%;
    text-align: left;
  }

  .contact-dialog {
    width: min(100%, 100vw - 24px);
    max-height: calc(100vh - 24px);
    padding: 22px 18px;
    border-radius: 22px;
  }

  .contact-dialog-head h2 {
    font-size: clamp(1.7rem, 11vw, 2.4rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation: none !important;
    transition-duration: 0.01ms !important;
    transition-delay: 0ms !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}