/* ============================================================
   ProPhase Electric · Homepage styles
   Gallery-white, architectural, technically precise.
   Adapted from the Claude Design "ProPhase Homepage" project.
   Brand blues sampled from logo: #7CC4FF → #2E86E8 → #0F56C8
   ============================================================ */

:root {
  --paper: #f6f6f4;
  --paper-raised: #ffffff;
  --ink: #0b0d11;
  --ink-soft: #3c4148;
  --ink-faint: #80868f;
  --hairline: #e2e2de;
  --hairline-dark: rgba(255, 255, 255, 0.12);

  --night: #07090d;
  --night-raised: #0d1016;
  --night-text: #f2f4f7;
  --night-soft: #9aa3af;

  --accent: #16294f;
  --accent-deep: #0d1c3a;
  --accent-light: #3d6bb5;
  --electric: #2e86e8;
  --grad: linear-gradient(120deg, var(--accent-light), var(--accent));

  --radius: 2px;

  --sans: "Helvetica Neue", Helvetica, Arial, sans-serif;
  --serif: "EB Garamond", Garamond, "Times New Roman", serif;
  --mono: "IBM Plex Mono", "SFMono-Regular", Menlo, monospace;

  --measure: 1320px;
  --pad: clamp(24px, 5vw, 72px);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--sans);
  background: var(--paper);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }

.wrap {
  max-width: var(--measure);
  margin: 0 auto;
  padding-left: var(--pad);
  padding-right: var(--pad);
}

/* ---------- type utilities ---------- */

.mono-label {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-faint);
  display: flex;
  align-items: center;
  gap: 14px;
}
.mono-label::after {
  content: "";
  height: 1px;
  width: 56px;
  background: var(--accent-light);
}
.on-dark .mono-label { color: var(--night-soft); }

.display {
  font-family: var(--serif);
  font-weight: 500;
  letter-spacing: -0.005em;
  line-height: 1.06;
  text-wrap: balance;
}

.lede {
  font-size: clamp(17px, 1.4vw, 20px);
  font-weight: 400;
  line-height: 1.6;
  color: var(--ink-soft);
  text-wrap: pretty;
}
.on-dark .lede { color: var(--night-soft); }

/* ---------- buttons ---------- */

.btn-row { display: flex; gap: 14px; flex-wrap: wrap; align-items: center; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--sans);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.01em;
  padding: 15px 28px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.18s ease, border-color 0.18s ease, color 0.18s ease, transform 0.18s ease;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-deep); transform: translateY(-1px); }
.on-dark .btn-primary { background: #f2f4f7; color: var(--ink); }
.on-dark .btn-primary:hover { background: #ffffff; }
.btn-ghost-dark { border-color: var(--hairline-dark); color: var(--night-text); }
.btn-ghost-dark:hover { border-color: rgba(255, 255, 255, 0.4); }
.btn-ghost-light { border-color: #c9c9c4; color: var(--ink); }
.btn-ghost-light:hover { border-color: var(--ink); }
.btn-dark { background: var(--ink); color: #fff; }
.btn-dark:hover { background: #23272e; }

/* ---------- nav ---------- */

.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  background: rgba(246, 246, 244, 0);
  border-bottom: 1px solid transparent;
  transition: background 0.25s ease, border-color 0.25s ease;
}
.nav.is-solid {
  background: rgba(246, 246, 244, 0.92);
  backdrop-filter: blur(14px);
  border-bottom-color: var(--hairline);
}
.nav-inner {
  max-width: var(--measure);
  margin: 0 auto;
  padding: 0 var(--pad);
  height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

/* wordmark lockup */
.wordmark { display: flex; align-items: center; gap: 12px; color: var(--night-text); }
.nav.is-solid .wordmark, .on-light .wordmark { color: var(--ink); }
.wordmark-text { display: flex; flex-direction: column; line-height: 1; gap: 5px; }
.wordmark-name { font-family: var(--serif); font-size: 23px; letter-spacing: 0.005em; font-weight: 600; }
.wordmark-name b { font-weight: 600; }
.nav.is-solid .wordmark-name b, .on-light .wordmark-name b { color: var(--accent); }
.wordmark-sub {
  font-family: var(--mono);
  font-size: 8.5px;
  letter-spacing: 0.42em;
  text-transform: uppercase;
  color: var(--night-soft);
}
.nav.is-solid .wordmark-sub { color: var(--ink-faint); }

.nav-links { display: flex; gap: 36px; align-items: center; }
.nav-links a {
  font-size: 14.5px;
  font-weight: 500;
  color: var(--night-text);
  opacity: 0.85;
  transition: opacity 0.15s ease;
}
.nav-links a:hover { opacity: 1; }
.nav.is-solid .nav-links a { color: var(--ink); }
.nav .btn { padding: 11px 20px; font-size: 14px; }

@media (max-width: 880px) { .nav-links { display: none; } }

/* ---------- hero ---------- */

.hero {
  background: var(--night);
  color: var(--night-text);
  position: relative;
  overflow: hidden;
}
.hero-waves {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.5;
}
.hero-inner {
  position: relative;
  padding-top: clamp(150px, 20vh, 210px);
  padding-bottom: clamp(60px, 8vh, 110px);
}
.hero h1 {
  font-size: clamp(44px, 6.2vw, 92px);
  max-width: 13ch;
  margin: 28px 0 30px;
}
.hero h1 .grad { font-style: italic; color: #b9cdf0; }
.hero .lede { max-width: 58ch; margin-bottom: 44px; }

.hero-strip {
  border-top: 1px solid var(--hairline-dark);
  margin-top: clamp(56px, 8vh, 96px);
  padding-top: 26px;
  display: flex;
  gap: clamp(24px, 5vw, 64px);
  flex-wrap: wrap;
}
.hero-strip span {
  font-family: var(--mono);
  font-size: 12.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--night-soft);
  display: flex;
  align-items: center;
  gap: clamp(24px, 5vw, 64px);
}
.hero-strip span + span::before {
  content: "/";
  color: var(--accent);
}

/* ---------- image placeholders ---------- */

.ph {
  position: relative;
  background: repeating-linear-gradient(
    -45deg,
    #ebebe7 0px, #ebebe7 10px,
    #f1f1ee 10px, #f1f1ee 20px
  );
  border: 1px solid var(--hairline);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border-radius: var(--radius);
}
.ph::before {
  content: attr(data-note);
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: #9d9d96;
  padding: 8px 14px;
  border: 1px solid #d8d8d2;
  background: rgba(255, 255, 255, 0.72);
  border-radius: 2px;
  white-space: nowrap;
}
.ph-dark {
  background: repeating-linear-gradient(
    -45deg,
    #0e1118 0px, #0e1118 10px,
    #11151d 10px, #11151d 20px
  );
  border-color: var(--hairline-dark);
}
.ph-dark::before {
  background: rgba(10, 12, 16, 0.8);
  border-color: rgba(255, 255, 255, 0.18);
  color: #7b8492;
}

.hero-photo { aspect-ratio: 21 / 8; border-left: 0; border-right: 0; }

/* ---------- sections ---------- */

section[data-section] { padding: clamp(72px, 10vh, 130px) 0; }

.section-head { margin-bottom: clamp(40px, 6vh, 64px); }
.section-head h2 {
  font-size: clamp(30px, 3.4vw, 48px);
  margin-top: 22px;
  max-width: 24ch;
}

/* ---------- intro / company ---------- */

.intro-grid {
  display: grid;
  grid-template-columns: 1.25fr 1fr;
  gap: clamp(40px, 6vw, 96px);
  align-items: start;
}
.intro-statement {
  font-family: var(--serif);
  font-size: clamp(28px, 3.1vw, 46px);
  font-weight: 500;
  letter-spacing: -0.005em;
  line-height: 1.22;
  text-wrap: balance;
  margin-top: 22px;
}
.intro-statement em {
  font-style: italic;
  color: var(--accent-light);
}
.intro-side { display: flex; flex-direction: column; gap: 26px; padding-top: 60px; }

.facts-card {
  border: 1px solid var(--hairline);
  background: var(--paper-raised);
  border-radius: var(--radius);
  padding: 28px 30px;
  display: flex;
  flex-direction: column;
  gap: 0;
}
.fact-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 0;
}
.fact-row + .fact-row { border-top: 1px solid var(--hairline); }
.fact-value { font-size: 17px; font-weight: 600; letter-spacing: -0.01em; }
.fact-label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-faint);
}
.fact-row.result {
  border-top: 2px solid var(--ink);
}
.fact-row.result .fact-value { font-size: 19px; }
.fact-row.result .fact-label { color: var(--accent); }

@media (max-width: 880px) {
  .intro-grid { grid-template-columns: 1fr; }
  .intro-side { padding-top: 0; }
}

/* ---------- services ---------- */

.services { background: var(--paper-raised); border-top: 1px solid var(--hairline); border-bottom: 1px solid var(--hairline); }

.svc-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--hairline);
  border-left: 1px solid var(--hairline);
}
.svc {
  border-right: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
  padding: 34px 30px 40px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-height: 218px;
  position: relative;
  transition: background 0.2s ease;
}
.svc:hover { background: #fafaf8; }
.svc-num {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--ink-faint);
  letter-spacing: 0.1em;
}
.svc h3 { font-size: 20px; font-weight: 600; letter-spacing: -0.015em; }
.svc p { font-size: 15px; line-height: 1.55; color: var(--ink-soft); text-wrap: pretty; }
.svc::after {
  content: "";
  position: absolute;
  left: 0; top: 0;
  width: 0; height: 2px;
  background: var(--grad);
  transition: width 0.3s ease;
}
.svc:hover::after { width: 100%; }

@media (max-width: 980px) { .svc-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .svc-grid { grid-template-columns: 1fr; } }

/* ---------- approach / phases ---------- */

.phase-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(28px, 4vw, 56px);
}
.phase { display: flex; flex-direction: column; gap: 16px; }
.phase-tag {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  display: flex;
  align-items: center;
  gap: 12px;
}
.phase-tag::before {
  content: "";
  width: 9px; height: 9px;
  border-radius: 50%;
  border: 2px solid var(--accent-light);
}
.phase h3 {
  font-family: var(--serif);
  font-size: clamp(28px, 2.8vw, 38px);
  font-weight: 500;
  letter-spacing: 0;
}
.phase p { font-size: 15.5px; line-height: 1.6; color: var(--ink-soft); text-wrap: pretty; }
.phase-rule { height: 1px; background: var(--hairline); margin: 6px 0 2px; }

@media (max-width: 880px) { .phase-grid { grid-template-columns: 1fr; } }

/* ---------- work ---------- */

.work { background: var(--paper-raised); border-top: 1px solid var(--hairline); }
.work-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(20px, 3vw, 36px);
}
.work-item { display: flex; flex-direction: column; gap: 14px; }
.work-item.span-2 { grid-column: span 2; }
.work-item .ph { aspect-ratio: 4 / 3; }
.work-item.span-2 .ph { aspect-ratio: 21 / 8; }
.work-cap { display: flex; justify-content: space-between; align-items: baseline; gap: 16px; }
.work-cap h3 { font-size: 17px; font-weight: 600; letter-spacing: -0.01em; }
.work-cap span {
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-faint);
}
@media (max-width: 720px) {
  .work-grid { grid-template-columns: 1fr; }
  .work-item.span-2 { grid-column: span 1; }
  .work-item.span-2 .ph { aspect-ratio: 4 / 3; }
}

/* ---------- featured capability (dark) ---------- */

.cinema { background: var(--night); color: var(--night-text); }
.cinema-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: clamp(40px, 6vw, 88px);
  align-items: center;
}
.cinema h2 { font-size: clamp(32px, 3.6vw, 52px); margin: 22px 0 22px; }
.cinema .lede { margin-bottom: 36px; }
.spec-list { display: flex; flex-direction: column; border-top: 1px solid var(--hairline-dark); }
.spec-list li {
  list-style: none;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 13px 0;
  border-bottom: 1px solid var(--hairline-dark);
  font-size: 14.5px;
}
.spec-list li b { font-weight: 500; }
.spec-list li span {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--night-soft);
  text-align: right;
}
.cinema .ph { aspect-ratio: 4 / 3.4; }
@media (max-width: 880px) { .cinema-grid { grid-template-columns: 1fr; } }

/* ---------- partners ---------- */

.partners { border-top: 1px solid var(--hairline); }
.partners-row {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  border-left: 1px solid var(--hairline);
  border-top: 1px solid var(--hairline);
  margin-top: 36px;
}
.partner-slot {
  border-right: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
  aspect-ratio: 2.2 / 1;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: #b3b3ac;
}
@media (max-width: 880px) { .partners-row { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 560px) { .partners-row { grid-template-columns: repeat(2, 1fr); } }

/* ---------- CTA band ---------- */

.cta-band {
  background: var(--night);
  color: var(--night-text);
  position: relative;
  overflow: hidden;
}
.cta-band::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 2px;
  background: var(--grad);
}
.cta-inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: clamp(40px, 6vw, 96px);
  align-items: center;
}
.cta-inner h2 { font-size: clamp(34px, 4vw, 58px); margin: 22px 0 18px; }
.cta-contact { display: flex; flex-direction: column; gap: 0; border-top: 1px solid var(--hairline-dark); }
.cta-contact a {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  padding: 18px 2px;
  border-bottom: 1px solid var(--hairline-dark);
  font-size: 16px;
  transition: padding-left 0.2s ease;
}
.cta-contact a:hover { padding-left: 10px; }
.cta-contact a span {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--night-soft);
}
@media (max-width: 880px) { .cta-inner { grid-template-columns: 1fr; } }

/* ---------- footer ---------- */

.footer {
  background: var(--night);
  color: var(--night-soft);
  border-top: 1px solid var(--hairline-dark);
  padding: 64px 0 40px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: clamp(32px, 4vw, 64px);
  margin-bottom: 56px;
}
.footer-logo { width: 230px; margin-bottom: 18px; }
.footer-tag { font-size: 13.5px; line-height: 1.6; max-width: 30ch; text-wrap: pretty; }
.footer h4 {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: #6b7480;
  margin-bottom: 18px;
}
.footer ul { list-style: none; display: flex; flex-direction: column; gap: 11px; }
.footer ul a { font-size: 14px; color: #c3c9d2; transition: color 0.15s ease; }
.footer ul a:hover { color: #fff; }
.footer-bottom {
  border-top: 1px solid var(--hairline-dark);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
}
.footer-bottom a:hover { color: #fff; }
@media (max-width: 880px) { .footer-grid { grid-template-columns: 1fr 1fr; } }

/* ---------- simple inner pages (privacy / terms / text-signup) ---------- */

.simple-page { padding: 150px 0 90px; min-height: 70vh; }
.simple-page h1 { font-size: clamp(32px, 4vw, 52px); margin: 20px 0 28px; }
.simple-page .lede { max-width: 62ch; }
.simple-page .page-body { max-width: 72ch; margin-top: 34px; display: flex; flex-direction: column; gap: 18px; }
.simple-page .page-body p { font-size: 15.5px; line-height: 1.65; color: var(--ink-soft); }
.simple-page .back-link {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-light);
}
.simple-page .back-link:hover { color: var(--accent); }

.page-body h2 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(22px, 2.4vw, 30px);
  letter-spacing: -0.005em;
  margin-top: 22px;
  padding-top: 22px;
  border-top: 1px solid var(--hairline);
}
.page-body h2:first-child { margin-top: 0; padding-top: 0; border-top: 0; }
.page-body ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.page-body ul li {
  position: relative;
  padding-left: 26px;
  font-size: 15.5px;
  line-height: 1.6;
  color: var(--ink-soft);
}
.page-body ul li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--accent-light);
}
.page-body b { color: var(--ink); font-weight: 600; }
.page-body a { color: var(--accent-light); }
.page-body a:hover { color: var(--accent); text-decoration: underline; }
.contact-block p { margin: 0; }
.contact-block p + p { margin-top: 4px; }

/* ---------- text sign-up form ---------- */

.signup-form {
  border: 1px solid var(--hairline);
  background: var(--paper-raised);
  border-radius: var(--radius);
  padding: 30px 32px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin: 8px 0;
}
.form-field { display: flex; flex-direction: column; gap: 8px; }
.form-field label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-faint);
}
.form-field label b { color: var(--accent); font-weight: 500; }
.form-field input {
  font-family: var(--sans);
  font-size: 15.5px;
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  padding: 13px 14px;
  outline: none;
  transition: border-color 0.15s ease, background 0.15s ease;
}
.form-field input:focus { border-color: var(--accent-light); background: #ffffff; }
.consent-row { display: flex; gap: 12px; align-items: flex-start; }
.consent-row input[type="checkbox"] {
  width: 18px; height: 18px;
  margin-top: 2px;
  flex-shrink: 0;
  accent-color: var(--accent);
}
.consent-row label {
  font-size: 13.5px;
  line-height: 1.55;
  color: var(--ink-soft);
}
.form-confirm {
  display: none;
  border: 1px solid var(--accent-light);
  background: #f0f4fb;
  border-radius: var(--radius);
  padding: 16px 18px;
  font-size: 14.5px;
  line-height: 1.55;
  color: var(--accent-deep);
}
.form-confirm.is-shown { display: block; }

/* ---------- scroll reveal ---------- */

@media (prefers-reduced-motion: no-preference) {
  body[data-motion="on"] .reveal {
    opacity: 0;
    transform: translateY(18px);
    transition: opacity 0.7s ease, transform 0.7s ease;
  }
  body[data-motion="on"] .reveal.is-in {
    opacity: 1;
    transform: none;
  }
}