/* EssCharge tanıtım sitesi.
   Tek tema (koyu), tek vurgu rengi (yeşil), tek köşe yarıçapı sistemi (10px / pill).
   Hareket IntersectionObserver ve CSS ile; scroll dinleyici yok. */

:root {
  --ink: #06121c;
  --ink-2: #091a26;
  --ink-3: #0d2433;
  --line: #16394d;
  --line-soft: #102b3c;
  --accent: #2ed47a;
  --accent-deep: #17a75c;
  --text: #eef6fa;
  --text-2: #8faabd;
  --text-3: #5f7f95;
  --alert: #ff6b6b;

  --r: 10px;
  --shell: 1180px;

  --sans: ui-sans-serif, "Segoe UI Variable Display", "Segoe UI", system-ui, -apple-system,
    "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "Cascadia Mono", "SF Mono", Consolas, "Liberation Mono", monospace;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--ink);
  color: var(--text);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1,
h2,
h3 {
  margin: 0;
  letter-spacing: -0.028em;
  line-height: 1.08;
  font-weight: 680;
  text-wrap: balance;
}

h1 {
  font-size: clamp(2.5rem, 5.4vw, 4.1rem);
  font-weight: 720;
}
h2 {
  font-size: clamp(1.75rem, 3.4vw, 2.6rem);
  max-width: 18ch;
}
h3 {
  font-size: 1.03rem;
  line-height: 1.3;
  letter-spacing: -0.012em;
}

p {
  margin: 0;
}
ul,
ol,
dl {
  margin: 0;
  padding: 0;
  list-style: none;
}

a {
  color: var(--accent);
  text-decoration-color: color-mix(in srgb, var(--accent) 40%, transparent);
  text-underline-offset: 3px;
}

.shell {
  width: min(100% - 2.5rem, var(--shell));
  margin-inline: auto;
}

.visually-hidden,
.skip-link {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.skip-link:focus {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 90;
  width: auto;
  height: auto;
  clip-path: none;
  padding: 10px 16px;
  border-radius: var(--r);
  background: var(--accent);
  color: var(--ink);
  font-weight: 700;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

.muted {
  color: var(--text-2);
}

/* Bölüm başı etiketi. Sayfa genelinde üç tane: hero, operatörler, bekleme listesi. */
.kicker {
  margin-bottom: 1rem;
  color: var(--accent);
  font-family: var(--mono);
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.lead {
  margin-top: 1.1rem;
  max-width: 52ch;
  color: var(--text-2);
  font-size: 1.06rem;
  line-height: 1.62;
}
.lead-tight {
  margin-bottom: 2.6rem;
}

/* ---------- Üst çubuk ---------- */

.masthead {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--ink) 86%, transparent);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line-soft);
}

.masthead-row {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  height: 68px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  color: var(--text);
  font-weight: 700;
  font-size: 1.06rem;
  letter-spacing: -0.02em;
  text-decoration: none;
}
.brand-mark {
  width: 26px;
  height: 26px;
  color: var(--accent);
}

.masthead-nav {
  display: flex;
  gap: 1.5rem;
  margin-left: auto;
  font-size: 0.93rem;
}
.masthead-nav a {
  color: var(--text-2);
  text-decoration: none;
  transition: color 0.18s ease;
}
.masthead-nav a:hover {
  color: var(--text);
}

.menu-button {
  display: none;
  margin-left: auto;
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: transparent;
  color: var(--text);
  cursor: pointer;
}

.drawer {
  display: none;
  flex-direction: column;
  padding: 0.25rem 1.25rem 1rem;
  border-top: 1px solid var(--line-soft);
}
.drawer a {
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--line-soft);
  color: var(--text);
  text-decoration: none;
}

/* ---------- Butonlar ---------- */

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  white-space: nowrap;
  padding: 0.82rem 1.5rem;
  border: 1px solid transparent;
  border-radius: var(--r);
  font-size: 0.97rem;
  font-weight: 650;
  text-decoration: none;
  cursor: pointer;
  transition:
    background-color 0.18s ease,
    border-color 0.18s ease,
    transform 0.12s ease;
}
.button-solid {
  background: var(--accent);
  color: #04141c;
}
.button-solid:hover {
  background: #4ce295;
}
.button-line {
  border-color: var(--line);
  color: var(--text);
}
.button-line:hover {
  border-color: var(--accent);
  background: color-mix(in srgb, var(--accent) 8%, transparent);
}
.button:active {
  transform: translateY(1px);
}
.button-compact {
  padding: 0.55rem 1.1rem;
  font-size: 0.9rem;
}
.button-full {
  width: 100%;
}
.button[disabled] {
  opacity: 0.55;
  cursor: not-allowed;
}

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

.hero {
  padding: clamp(3rem, 7vw, 5.5rem) 0 clamp(3rem, 6vw, 4.5rem);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}

.hero-copy h1 {
  margin-bottom: 1.3rem;
}

.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 2rem;
}

.hero-figure {
  margin: 0;
  padding: 1.2rem 1.2rem 0.9rem;
  border: 1px solid var(--line-soft);
  border-radius: var(--r);
  background:
    radial-gradient(120% 90% at 82% 88%, color-mix(in srgb, var(--accent) 7%, transparent), transparent 62%),
    var(--ink-2);
}
.hero-figure figcaption {
  margin-top: 0.6rem;
  color: var(--text-3);
  font-size: 0.8rem;
}

.network {
  width: 100%;
  height: auto;
  display: block;
}
.net-grid path {
  stroke: var(--line-soft);
  stroke-width: 1;
  fill: none;
}
.net-links path {
  stroke: color-mix(in srgb, var(--accent) 45%, transparent);
  stroke-width: 1.25;
  fill: none;
}
.net-corridor {
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-dasharray: 700;
  stroke-dashoffset: 700;
  animation: draw 2.6s cubic-bezier(0.22, 1, 0.36, 1) 0.3s forwards;
}
@keyframes draw {
  to {
    stroke-dashoffset: 0;
  }
}

.net-nodes circle {
  fill: var(--accent);
}
.net-nodes .ring {
  fill: none;
  stroke: var(--accent);
  stroke-width: 1.5;
  transform-box: fill-box;
  transform-origin: center;
  animation: ripple 3.4s ease-out infinite;
  animation-delay: calc(var(--i) * 0.42s);
}
@keyframes ripple {
  0% {
    transform: scale(1);
    opacity: 0.7;
  }
  70%,
  100% {
    transform: scale(3.4);
    opacity: 0;
  }
}

.net-label {
  fill: var(--text-2);
  font-family: var(--mono);
  font-size: 15px;
  letter-spacing: 0.06em;
}
.net-label-end {
  text-anchor: end;
}

/* ---------- Bölüm kabı ---------- */

.section {
  padding: clamp(3.5rem, 8vw, 6.5rem) 0;
  border-top: 1px solid var(--line-soft);
}

/* ---------- Sorun: yapışkan başlık + akan liste ---------- */

.problem-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: clamp(2rem, 6vw, 5rem);
  align-items: start;
}

.problem-anchor {
  position: sticky;
  top: 128px;
}
.problem-anchor p {
  margin-top: 1.1rem;
  max-width: 34ch;
}

.problem-list {
  display: grid;
  gap: 2.4rem;
}
.problem-list li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 1.2rem;
  padding-bottom: 2.4rem;
  border-bottom: 1px solid var(--line-soft);
}
.problem-list li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}
.problem-index {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border: 1px solid var(--line);
  border-radius: var(--r);
  color: var(--accent);
}
.problem-list h3 {
  margin-bottom: 0.5rem;
}
.problem-list p {
  color: var(--text-2);
  font-size: 0.97rem;
}

/* ---------- Akış: yatay şerit ---------- */

.flow-title {
  margin-bottom: 2.4rem;
}

.flow-rail {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(276px, 1fr);
  gap: 1rem;
  padding-inline: max(1.25rem, calc((100vw - var(--shell)) / 2));
  padding-bottom: 0.5rem;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: thin;
  scrollbar-color: var(--line) transparent;
}
.flow-card {
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  padding: 1.6rem 1.4rem;
  border: 1px solid var(--line-soft);
  border-radius: var(--r);
  background: var(--ink-2);
}
.flow-step {
  color: var(--accent);
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.flow-card p {
  color: var(--text-2);
  font-size: 0.95rem;
}

/* ---------- Operatörler: bento ---------- */

.bento {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}
.tile {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  padding: 1.6rem;
  border: 1px solid var(--line-soft);
  border-radius: var(--r);
  background: var(--ink-2);
}
.tile p {
  color: var(--text-2);
  font-size: 0.95rem;
}
.tile-wide {
  grid-column: span 2;
}

.tile-figure {
  gap: 1.2rem;
  background:
    radial-gradient(100% 120% at 100% 0%, color-mix(in srgb, var(--accent) 10%, transparent), transparent 60%),
    var(--ink-2);
}
.tile-chart {
  width: 100%;
  height: auto;
  max-height: 96px;
}
.chart-base rect {
  fill: var(--line);
}
.chart-add rect {
  fill: var(--accent);
  opacity: 0.85;
  transform-box: fill-box;
  transform-origin: bottom;
  transform: scaleY(0);
  transition: transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}
.tile-figure.is-visible .chart-add rect {
  transform: scaleY(1);
}
.chart-add rect:nth-child(2) {
  transition-delay: 0.07s;
}
.chart-add rect:nth-child(3) {
  transition-delay: 0.14s;
}
.chart-add rect:nth-child(4) {
  transition-delay: 0.21s;
}
.chart-add rect:nth-child(5) {
  transition-delay: 0.28s;
}
.chart-add rect:nth-child(6) {
  transition-delay: 0.35s;
}

.tile-accent {
  border-color: color-mix(in srgb, var(--accent) 38%, transparent);
  background: linear-gradient(
    160deg,
    color-mix(in srgb, var(--accent) 13%, var(--ink-2)),
    var(--ink-2) 70%
  );
}

.tile-spec {
  gap: 1.1rem;
}
.spec {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.9rem 1.6rem;
}
.spec div {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}
.spec dt {
  color: var(--text-3);
  font-size: 0.78rem;
  letter-spacing: 0.02em;
}
.spec dd {
  margin: 0;
  font-family: var(--mono);
  font-size: 0.88rem;
  color: var(--text);
}

.pitch {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.2rem;
  margin-top: 1rem;
  padding: 1.5rem 1.6rem;
  border: 1px solid var(--line);
  border-radius: var(--r);
}
.pitch p {
  max-width: 46ch;
  font-weight: 600;
}

/* ---------- Ödeme: akış hattı ---------- */

.pipeline {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr;
  align-items: stretch;
  gap: 0;
}
.stage {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 1.5rem 1.4rem;
  border: 1px solid var(--line-soft);
  border-radius: var(--r);
  background: var(--ink-2);
}
.stage p {
  color: var(--text-2);
  font-size: 0.93rem;
}
.stage-final {
  border-color: color-mix(in srgb, var(--accent) 38%, transparent);
}
.stage-link {
  align-self: center;
  width: 34px;
  height: 1px;
  background: linear-gradient(90deg, var(--line), var(--accent));
}

/* ---------- Bekleme listesi ---------- */

.waitlist-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.85fr);
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}
.waitlist-count {
  margin-top: 1.4rem;
  color: var(--accent);
  font-family: var(--mono);
  font-size: 0.92rem;
}

.panel {
  padding: 1.7rem;
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: var(--ink-2);
}

.field {
  margin: 0 0 1.1rem;
  padding: 0;
  border: 0;
}
.field label,
.field legend {
  display: block;
  margin-bottom: 0.4rem;
  padding: 0;
  color: var(--text-2);
  font-size: 0.86rem;
  font-weight: 600;
}
.field input[type='email'],
.field input[type='text'] {
  width: 100%;
  padding: 0.78rem 0.95rem;
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: var(--ink-3);
  color: var(--text);
  font-family: inherit;
  font-size: 1rem;
}
.field input::placeholder {
  color: var(--text-3);
}
.field input[aria-invalid='true'] {
  border-color: var(--alert);
}

.choice-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.choice {
  margin: 0;
}
.choice input {
  position: absolute;
  opacity: 0;
  width: 1px;
  height: 1px;
}
.choice span {
  display: inline-block;
  padding: 0.5rem 0.95rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--text-2);
  font-size: 0.9rem;
  font-weight: 550;
  cursor: pointer;
  transition:
    border-color 0.16s ease,
    color 0.16s ease,
    background-color 0.16s ease;
}
.choice input:checked + span {
  border-color: var(--accent);
  background: color-mix(in srgb, var(--accent) 14%, transparent);
  color: var(--text);
}
.choice input:focus-visible + span {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.hint {
  margin-top: 0.9rem;
  color: var(--text-2);
  font-size: 0.84rem;
  line-height: 1.5;
}
.hint.is-error {
  color: #ffa8a8;
}
.hint.is-ok {
  color: var(--accent);
  font-weight: 600;
}

/* ---------- Şirket ---------- */

.company-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}
.facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.8rem 2rem;
}
.facts dt {
  margin-bottom: 0.35rem;
  color: var(--accent);
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.facts dd {
  margin: 0;
  color: var(--text-2);
  font-size: 0.95rem;
}

/* ---------- Alt bilgi ---------- */

.footer {
  padding: 2rem 0 2.4rem;
  border-top: 1px solid var(--line-soft);
}
.footer-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.footer-brand {
  font-weight: 700;
  letter-spacing: -0.02em;
}
.footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1.3rem;
  font-size: 0.9rem;
}
.footer nav a {
  color: var(--text-2);
  text-decoration: none;
}
.footer nav a:hover {
  color: var(--text);
}
.footer p {
  color: var(--text-3);
  font-size: 0.84rem;
}

/* ---------- Giriş animasyonu ---------- */

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition:
    opacity 0.6s cubic-bezier(0.22, 1, 0.36, 1),
    transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}
.reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* ---------- Duyarlılık ---------- */

@media (max-width: 1000px) {
  .hero-grid,
  .problem-grid,
  .waitlist-grid,
  .company-grid {
    grid-template-columns: 1fr;
  }
  .problem-anchor {
    position: static;
  }
  .masthead-nav,
  .masthead-row .button-compact {
    display: none;
  }
  .menu-button {
    display: inline-flex;
  }
  .drawer:not([hidden]) {
    display: flex;
  }
  h2 {
    max-width: 22ch;
  }
  .bento {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .tile-wide {
    grid-column: span 2;
  }
  .pipeline {
    grid-template-columns: 1fr;
    gap: 0.9rem;
  }
  .stage-link {
    width: 1px;
    height: 26px;
    justify-self: center;
    background: linear-gradient(180deg, var(--line), var(--accent));
  }
}

@media (max-width: 640px) {
  body {
    font-size: 16px;
  }
  .bento,
  .facts,
  .spec {
    grid-template-columns: 1fr;
  }
  .tile-wide {
    grid-column: span 1;
  }
  .hero-buttons .button {
    flex: 1 1 auto;
  }
  .flow-rail {
    grid-auto-columns: minmax(248px, 82%);
  }
}

/* ---------- Hareket tercihi ---------- */

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .net-corridor {
    animation: none;
    stroke-dashoffset: 0;
  }
  .net-nodes .ring {
    animation: none;
    opacity: 0;
  }
  .chart-add rect {
    transform: scaleY(1);
    transition: none;
  }
  .button:active {
    transform: none;
  }
}

/* ---------- Çok sayfalı yapı ---------- */

.masthead-nav a[aria-current='page'] {
  color: var(--text);
  text-decoration: underline;
  text-decoration-color: var(--accent);
  text-underline-offset: 6px;
  text-decoration-thickness: 2px;
}

.page-head {
  padding: clamp(2.8rem, 6vw, 4.5rem) 0 clamp(1.5rem, 3vw, 2.5rem);
}
.page-head h1 {
  font-size: clamp(2.1rem, 4.4vw, 3.2rem);
  max-width: 20ch;
}
.page-head .lead {
  margin-top: 1.2rem;
}

.shell.narrow {
  width: min(100% - 2.5rem, 760px);
}

.prose {
  margin-bottom: 1.1rem;
  max-width: 68ch;
  color: var(--text-2);
  line-height: 1.72;
}
.prose strong {
  color: var(--text);
  font-weight: 650;
}

.stamp {
  margin-top: 1.2rem;
  color: var(--text-3);
  font-family: var(--mono);
  font-size: 0.82rem;
}

/* Yasal sayfalar */

.legal h2 {
  margin: 2.4rem 0 0.9rem;
  font-size: 1.2rem;
  max-width: none;
}
.legal h2:first-of-type {
  margin-top: 0;
}
.legal .plain-list {
  margin-bottom: 1.1rem;
}

.legal-flag {
  margin-bottom: 2.4rem;
  padding: 1rem 1.2rem;
  border: 1px solid color-mix(in srgb, #ffb020 45%, transparent);
  border-radius: var(--r);
  background: color-mix(in srgb, #ffb020 9%, transparent);
  color: #ffd79a;
  font-size: 0.9rem;
  line-height: 1.55;
}

.plain-list {
  display: grid;
  gap: 0.7rem;
  max-width: 68ch;
  color: var(--text-2);
  font-size: 0.97rem;
}
.plain-list li {
  position: relative;
  padding-left: 1.4rem;
  line-height: 1.6;
}
.plain-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 7px;
  height: 7px;
  border-radius: 2px;
  background: var(--accent);
}
.plain-list strong {
  color: var(--text);
  font-weight: 650;
}

/* Soru cevap blokları */

.qa {
  display: grid;
  gap: 0;
  margin-top: 2rem;
}
.qa > div {
  padding: 1.5rem 0;
  border-top: 1px solid var(--line-soft);
}
.qa > div:last-child {
  border-bottom: 1px solid var(--line-soft);
}
.qa dt {
  margin-bottom: 0.5rem;
  font-size: 1.02rem;
  font-weight: 650;
  letter-spacing: -0.012em;
}
.qa dd {
  margin: 0;
  max-width: 72ch;
  color: var(--text-2);
  font-size: 0.97rem;
  line-height: 1.65;
}

/* Numarasız süreç listesi */

.steps-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 2rem;
}
.steps-list li {
  padding: 1.5rem;
  border: 1px solid var(--line-soft);
  border-radius: var(--r);
  background: var(--ink-2);
}
.steps-list h3 {
  margin-bottom: 0.5rem;
}
.steps-list p {
  color: var(--text-2);
  font-size: 0.95rem;
}

/* İki sütunlu karşılaştırma */

.split-note {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 2rem;
}
.split-note > div {
  padding: 1.6rem;
  border: 1px solid var(--line-soft);
  border-radius: var(--r);
  background: var(--ink-2);
}
.split-note h3 {
  margin-bottom: 1rem;
}

.spec-wide {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 1.5rem;
  padding: 1.6rem;
  border: 1px solid var(--line-soft);
  border-radius: var(--r);
  background: var(--ink-2);
  gap: 1.4rem;
}

.facts-stack {
  grid-template-columns: 1fr;
  gap: 1.2rem;
  margin-top: 1.6rem;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}
.contact-grid .tile {
  gap: 0.7rem;
}
.contact-grid .button {
  align-self: flex-start;
  margin-top: 0.4rem;
}

.note {
  margin-top: 1.6rem;
  max-width: 68ch;
  color: var(--text-3);
  font-size: 0.92rem;
  line-height: 1.6;
}

/* Genişletilmiş alt bilgi */

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: 2rem;
  padding-bottom: 2rem;
}
.footer-brand-col p {
  margin-top: 0.6rem;
  max-width: 34ch;
  color: var(--text-3);
  font-size: 0.88rem;
  line-height: 1.55;
}
.footer-grid nav {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}
.footer-grid h2 {
  margin-bottom: 0.3rem;
  font-size: 0.78rem;
  font-family: var(--mono);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-3);
  max-width: none;
}
.footer-grid nav a {
  color: var(--text-2);
  font-size: 0.91rem;
  text-decoration: none;
}
.footer-grid nav a:hover {
  color: var(--text);
}

.footer-base {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.6rem;
  padding-top: 1.4rem;
  border-top: 1px solid var(--line-soft);
}
.footer-base p {
  color: var(--text-3);
  font-size: 0.82rem;
}

@media (max-width: 1000px) {
  .footer-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .spec-wide {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .steps-list,
  .split-note,
  .contact-grid,
  .footer-grid,
  .spec-wide {
    grid-template-columns: 1fr;
  }
  .page-head h1 {
    max-width: none;
  }
}