/* ==========================================================
   sheikhsadikur.com — main stylesheet (dark brand theme)
   Brand: deep navy + logo lime (#c9f31d) + tech blue
   To swap the accent (e.g. to warm gold #f5c542), change
   --accent and --accent-rgb below — everything follows.
   ========================================================== */

/* Self-hosted fonts (no Google request) */
@font-face{font-family:"Sora";font-style:normal;font-weight:600;font-display:swap;src:url(../fonts/sora-latin-600-normal.woff2) format("woff2");}
@font-face{font-family:"Public Sans";font-style:normal;font-weight:400;font-display:swap;src:url(../fonts/public-sans-latin-400-normal.woff2) format("woff2");}
@font-face{font-family:"Public Sans";font-style:normal;font-weight:500;font-display:swap;src:url(../fonts/public-sans-latin-500-normal.woff2) format("woff2");}
@font-face{font-family:"Public Sans";font-style:normal;font-weight:600;font-display:swap;src:url(../fonts/public-sans-latin-600-normal.woff2) format("woff2");}

:root {
  /* Base */
  --bg: #0b1120;
  --bg-2: #0f172a;
  --surface: #131c31;
  --surface-2: #18233c;
  --line: rgba(148, 163, 184, .14);
  --line-strong: rgba(148, 163, 184, .26);

  /* Text — softened, never pure white, for comfortable reading */
  --text: #e6ebf3;
  --text-soft: #a3b0c2;
  --text-mute: #75839a;

  /* Brand accents */
  --accent: #c9f31d;          /* logo lime */
  --accent-rgb: 201, 243, 29;
  --accent-ink: #0b1120;      /* text on accent */
  --blue: #4f8cff;            /* tech blue */
  --blue-rgb: 79, 140, 255;

  --sans: "Public Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --display: "Sora", "Public Sans", system-ui, sans-serif;

  --step--1: 0.875rem;
  --step-0: 1.0625rem;
  --step-1: 1.2rem;
  --step-2: 1.45rem;
  --step-3: clamp(1.85rem, 1.35rem + 2vw, 2.6rem);
  --step-4: clamp(2.4rem, 1.5rem + 3.8vw, 4rem);

  --wrap: 1180px;
  --gutter: clamp(1rem, 4vw, 2.5rem);
  --section: clamp(4.5rem, 9vw, 7.5rem);
  --r-sm: 10px;
  --r: 16px;
  --r-lg: 22px;

  --shadow: 0 1px 0 rgba(255, 255, 255, .04) inset, 0 20px 40px -24px rgba(0, 0, 0, .7);
  --ease: cubic-bezier(.2, .7, .2, 1);
}

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

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; color-scheme: dark; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: var(--step-0);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img { display: block; max-width: 100%; height: auto; }
a { color: var(--blue); text-underline-offset: 3px; transition: color .2s; }
a:hover { color: #7aa8ff; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 6px; }
::selection { background: rgba(var(--accent-rgb), .85); color: var(--accent-ink); }

h1, h2, h3, h4 { font-family: var(--display); font-weight: 600; line-height: 1.15; margin: 0; letter-spacing: -0.02em; color: #f3f6fb; }
p { margin: 0 0 1em; }

.wrap { width: 100%; max-width: var(--wrap); margin-inline: auto; padding-inline: var(--gutter); }

.skip { position: absolute; left: -999px; top: 0; background: var(--accent); color: var(--accent-ink); padding: .6rem 1rem; z-index: 100; font-weight: 600; }
.skip:focus { left: 1rem; top: 1rem; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

mark {
  background: none;
  color: var(--accent);
  position: relative;
  white-space: nowrap;
}
mark::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: .02em; height: .14em;
  background: var(--accent); border-radius: 99px; opacity: .9;
  transform-origin: left; animation: underline .9s var(--ease) .3s both;
}
@keyframes underline { from { transform: scaleX(0); } }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  min-height: 50px; padding: .75rem 1.5rem;
  background: var(--accent); color: var(--accent-ink);
  font: 600 1rem/1 var(--sans);
  border: 1.5px solid var(--accent); border-radius: 999px;
  text-decoration: none; cursor: pointer;
  box-shadow: 0 8px 24px -10px rgba(var(--accent-rgb), .55);
  transition: transform .25s var(--ease), box-shadow .25s var(--ease), background .2s, color .2s, border-color .2s;
}
.btn:hover {
  color: var(--accent-ink);
  background: #d6ff3a;
  transform: translateY(-2px);
  box-shadow: 0 14px 32px -10px rgba(var(--accent-rgb), .7);
}
.btn:active { transform: translateY(0); }
.btn-ghost {
  background: rgba(255, 255, 255, .03); color: var(--text);
  border-color: var(--line-strong); box-shadow: none;
}
.btn-ghost:hover {
  background: rgba(var(--accent-rgb), .08); color: var(--accent);
  border-color: rgba(var(--accent-rgb), .6);
  box-shadow: 0 10px 28px -14px rgba(var(--accent-rgb), .5);
}
.btn-small { min-height: 42px; padding: .55rem 1.15rem; font-size: .95rem; }

/* ---------- Header & logo ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(11, 17, 32, .72);
  backdrop-filter: saturate(1.5) blur(14px);
  -webkit-backdrop-filter: saturate(1.5) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color .25s, background .25s;
}
.site-header.scrolled { border-bottom-color: var(--line); background: rgba(11, 17, 32, .88); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 74px; }

.brand { display: inline-flex; align-items: center; gap: .7rem; text-decoration: none; color: var(--accent); }
.brand-mark { width: 40px; height: 40px; flex: none; filter: drop-shadow(0 0 10px rgba(var(--accent-rgb), .25)); transition: transform .4s var(--ease); }
.brand:hover .brand-mark { transform: rotate(-12deg) scale(1.05); }
.brand-text { display: grid; line-height: 1.1; }
.brand-name { font: 600 1.15rem/1.1 var(--display); color: #f3f6fb; letter-spacing: -0.01em; }
.brand-tag {
  justify-self: end; margin-top: 3px; padding-top: 3px;
  font-size: .72rem; font-weight: 600; color: var(--accent);
  border-top: 1.5px solid rgba(var(--accent-rgb), .7);
  padding-left: 1.6rem;
}
.brand:hover { color: var(--accent); }

.site-nav { display: flex; align-items: center; gap: 1.9rem; }
.site-nav a:not(.btn) { position: relative; color: var(--text-soft); text-decoration: none; font-weight: 500; font-size: .97rem; padding: .3rem 0; }
.site-nav a:not(.btn)::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -2px; height: 2px; border-radius: 2px;
  background: var(--accent); transform: scaleX(0); transform-origin: left; transition: transform .3s var(--ease);
}
.site-nav a:not(.btn):hover { color: var(--text); }
.site-nav a:not(.btn):hover::after { transform: scaleX(1); }

.nav-toggle { display: none; background: none; border: 0; width: 44px; height: 44px; cursor: pointer; padding: 0; }
.bars, .bars::before, .bars::after { display: block; width: 22px; height: 2px; background: var(--text); position: relative; margin-inline: auto; border-radius: 2px; transition: transform .25s, background .25s; }
.bars::before, .bars::after { content: ""; position: absolute; left: 0; }
.bars::before { top: -7px; }
.bars::after { top: 7px; }
.nav-toggle[aria-expanded="true"] .bars { background: transparent; }
.nav-toggle[aria-expanded="true"] .bars::before { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .bars::after { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative; overflow: hidden;
  padding: clamp(3rem, 7vw, 5.5rem) 0 var(--section);
  background:
    radial-gradient(60rem 32rem at 85% -10%, rgba(var(--blue-rgb), .20), transparent 60%),
    radial-gradient(40rem 26rem at 5% 110%, rgba(var(--accent-rgb), .07), transparent 60%);
}
.hero::before {
  /* faint grid, fades out toward the edges */
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(148, 163, 184, .06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148, 163, 184, .06) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 60% 30%, #000 30%, transparent 75%);
          mask-image: radial-gradient(ellipse 70% 60% at 60% 30%, #000 30%, transparent 75%);
}
.hero-grid { position: relative; display: grid; grid-template-columns: 1.1fr .9fr; gap: clamp(2rem, 5vw, 4.5rem); align-items: center; }

.kicker {
  font-family: var(--sans); letter-spacing: 0; line-height: 1.4;
  display: inline-flex; align-items: center; gap: .55rem;
  padding: .4rem .9rem .4rem .75rem; margin-bottom: 1.5rem;
  font-size: .9rem; font-weight: 500; color: var(--text-soft);
  background: rgba(255, 255, 255, .04); border: 1px solid var(--line); border-radius: 999px;
}
.kicker::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 4px rgba(var(--accent-rgb), .15); }
.hero-title, .notfound h1 {
  font-family: var(--display); font-weight: 600; color: #f3f6fb; margin-top: 0; font-size: var(--step-4); max-width: 14ch; margin-bottom: 1.5rem; line-height: 1.08; letter-spacing: -0.03em; }
.lede { font-size: var(--step-1); color: var(--text-soft); max-width: 38ch; line-height: 1.6; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .8rem; margin: 2.1rem 0 2.75rem; }

.proof { display: flex; flex-wrap: wrap; gap: 2.5rem; margin: 0; padding-top: 1.75rem; border-top: 1px solid var(--line); }
.proof dt { font: 600 var(--step-2)/1 var(--display); color: #f3f6fb; margin-bottom: .4rem; letter-spacing: -0.02em; }
.proof dd { margin: 0; color: var(--text-mute); font-size: var(--step--1); }

/* AI answer card — the signature element */
.answer {
  position: relative; margin: 0;
  background: linear-gradient(180deg, rgba(24, 35, 60, .92), rgba(19, 28, 49, .92));
  border: 1px solid var(--line-strong);
  border-radius: var(--r-lg);
  box-shadow: 0 40px 80px -30px rgba(0, 0, 0, .8), 0 0 0 1px rgba(255, 255, 255, .02) inset;
  backdrop-filter: blur(8px);
}
.answer::before {
  /* soft brand glow behind the card */
  content: ""; position: absolute; inset: -1px; z-index: -1; border-radius: inherit;
  background: linear-gradient(135deg, rgba(var(--blue-rgb), .55), transparent 40%, transparent 60%, rgba(var(--accent-rgb), .45));
  filter: blur(22px); opacity: .45;
}
.answer-query {
  display: flex; align-items: center; gap: .75rem;
  margin: .9rem; padding: .85rem 1.1rem;
  background: rgba(11, 17, 32, .7); border: 1px solid var(--line); border-radius: 14px;
  font-weight: 500; min-height: 3.4rem; color: var(--text);
}
.answer-query svg { flex: none; width: 20px; height: 20px; fill: none; stroke: var(--accent); stroke-width: 2.2; stroke-linecap: round; }
.typed.typing::after { content: ""; display: inline-block; width: 2px; height: 1.1em; background: var(--accent); margin-left: 2px; vertical-align: -0.15em; animation: blink 1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }

.answer-body { padding: .4rem 1.35rem 1.4rem; transition: opacity .6s ease, transform .6s var(--ease); }
.answer-body.pending { opacity: 0; transform: translateY(10px); }
.answer-label {
  display: inline-flex; align-items: center; gap: .45rem;
  font-size: var(--step--1); font-weight: 600; margin-bottom: .7rem;
  background: linear-gradient(90deg, var(--blue), #8fb4ff); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.answer-label::before { content: "✦"; color: var(--blue); -webkit-text-fill-color: var(--blue); }
.answer-body > p:not(.answer-label) { font-size: 1rem; line-height: 1.7; color: var(--text-soft); }
.answer-body strong { color: var(--text); }
.cite {
  display: inline-grid; place-items: center;
  min-width: 1.15rem; height: 1.15rem; margin-left: 2px;
  font: 600 .7rem/1 var(--sans); color: var(--blue);
  background: rgba(var(--blue-rgb), .15); border-radius: 4px; vertical-align: super;
}
.answer-source {
  display: grid; grid-template-columns: 92px 1fr; gap: 1rem; align-items: center;
  margin-top: 1.1rem; padding: .7rem;
  background: rgba(11, 17, 32, .55); border: 1px solid rgba(var(--accent-rgb), .3); border-radius: 14px;
  box-shadow: 0 0 0 4px rgba(var(--accent-rgb), .05);
}
.answer-source img { width: 92px; height: 112px; object-fit: cover; object-position: 50% 30%; border-radius: 10px; }
.answer-source div { display: grid; gap: .25rem; }
.src-num { display: inline-grid; place-items: center; width: 1.35rem; height: 1.35rem; font-size: .75rem; font-weight: 600; color: var(--accent-ink); background: var(--accent); border-radius: 5px; }
.src-title { font: 600 1rem/1.3 var(--display); color: var(--text); }
.src-url { font-size: .85rem; color: var(--accent); opacity: .9; }

/* ---------- Sections ---------- */
.section { padding: var(--section) 0; position: relative; }
.section-alt {
  background: linear-gradient(180deg, var(--bg-2), #0d1528);
  border-block: 1px solid var(--line);
}
.section-head { max-width: 44rem; margin-bottom: clamp(2.25rem, 5vw, 3.5rem); }
.section-head h2 { font-size: var(--step-3); margin-bottom: 1rem; }
.section-head p { color: var(--text-soft); font-size: var(--step-1); margin: 0; }
.section-head-row { display: flex; justify-content: space-between; align-items: flex-end; gap: 1.5rem; max-width: none; }

/* Shared card treatment */
.services .service, .plan, .review, .compare, .tools, .contact-form {
  background: linear-gradient(180deg, var(--surface-2), var(--surface));
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

/* Services */
.services { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.1rem; }
.services .service {
  position: relative; padding: 1.7rem 1.7rem 1.5rem; border-radius: var(--r);
  transition: transform .3s var(--ease), border-color .3s, box-shadow .3s;
  overflow: hidden;
}
.services .service::before {
  content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 3px;
  background: linear-gradient(180deg, var(--accent), var(--blue));
  opacity: 0; transition: opacity .3s;
}
.services .service:hover { transform: translateY(-4px); border-color: rgba(var(--accent-rgb), .3); box-shadow: 0 24px 48px -24px rgba(0, 0, 0, .8), 0 0 0 1px rgba(var(--accent-rgb), .08); }
.services .service:hover::before { opacity: 1; }
.services h3 { font-size: 1.25rem; margin-bottom: .6rem; }
.services p { color: var(--text-soft); max-width: 46ch; margin-bottom: .9rem; font-size: 1rem; }
.services a { font-weight: 600; font-size: .93rem; color: var(--accent); text-decoration: none; }
.services a:hover { color: #d6ff3a; text-decoration: underline; }
.tools {
  margin: 2rem 0 0; padding: 1.15rem 1.35rem; border-radius: var(--r);
  color: var(--text-soft); border-left: 3px solid var(--accent);
}

/* Approach */
.approach-grid { display: grid; grid-template-columns: .95fr 1.05fr; gap: clamp(2rem, 5vw, 4.5rem); align-items: start; }
.approach-photo { margin: 0; position: sticky; top: 100px; }
.approach-photo img {
  border-radius: var(--r-lg); aspect-ratio: 4 / 5; object-fit: cover; object-position: 62% 50%; width: 100%;
  border: 1px solid var(--line-strong);
  box-shadow: 0 30px 60px -30px rgba(0, 0, 0, .8), 12px 12px 0 -1px rgba(var(--accent-rgb), .14);
}
.approach-photo figcaption { margin-top: 1rem; font-size: var(--step--1); color: var(--text-mute); }
.approach-copy h2 { font-size: var(--step-3); margin-bottom: 1.25rem; }
.approach-copy > p { color: var(--text-soft); max-width: 60ch; }

.compare { width: 100%; margin-top: 2rem; border-collapse: separate; border-spacing: 0; border-radius: var(--r); overflow: hidden; table-layout: fixed; }
.compare th, .compare td { padding: .9rem 1.15rem; text-align: left; vertical-align: top; border-top: 1px solid var(--line); }
.compare th { border-top: 0; font: 600 var(--step--1)/1.3 var(--sans); color: var(--text-soft); background: rgba(11, 17, 32, .5); }
.compare th:last-child { color: var(--accent); }
.compare td:first-child { width: 44%; color: var(--text-mute); text-decoration: line-through; text-decoration-color: rgba(117, 131, 154, .5); }
.compare th:first-child { width: 44%; }
.compare td:last-child, .compare th:last-child { border-left: 1px solid var(--line); }
.compare td:last-child { font-weight: 500; color: var(--text); background: rgba(var(--accent-rgb), .03); }

.month-title { font-size: var(--step-2); margin: clamp(3.5rem, 7vw, 5.5rem) 0 1.75rem; }
.month { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(5, 1fr); gap: 1.25rem; counter-reset: wk; }
.month li { counter-increment: wk; padding-top: 1.1rem; border-top: 2px solid var(--line-strong); position: relative; }
.month li::after { content: ""; position: absolute; top: -2px; left: 0; width: 2.5rem; height: 2px; background: var(--accent); }
.month li::before {
  content: counter(wk); display: grid; place-items: center;
  width: 2.2rem; height: 2.2rem; margin-bottom: .8rem;
  font: 600 1rem/1 var(--display); color: var(--accent);
  border: 1px solid rgba(var(--accent-rgb), .35); border-radius: 10px; background: rgba(var(--accent-rgb), .06);
}
.month h4 { font: 600 1rem/1.3 var(--display); margin-bottom: .45rem; }
.month p { font-size: .95rem; color: var(--text-soft); margin: 0; }

/* Pricing */
.plans { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; align-items: stretch; }
.plan {
  position: relative; display: flex; flex-direction: column;
  border-radius: var(--r-lg); padding: 2.1rem 1.8rem;
  transition: transform .3s var(--ease), border-color .3s;
}
.plan:hover { transform: translateY(-4px); border-color: var(--line-strong); }
.plan h3 { font-size: 1.3rem; margin-bottom: 1.1rem; }
.price { margin-bottom: .7rem; color: var(--text-mute); }
.price span { font: 600 2.75rem/1 var(--display); color: #f3f6fb; letter-spacing: -0.03em; }
.plan-for { color: var(--text-soft); font-size: .98rem; min-height: 3.2em; }
.plan ul { list-style: none; padding: 1.3rem 0 0; margin: 0 0 1.9rem; border-top: 1px solid var(--line); display: grid; gap: .7rem; flex: 1; }
.plan li { padding-left: 1.75rem; position: relative; font-size: .98rem; color: var(--text); }
.plan li::before {
  content: ""; position: absolute; left: 0; top: .3em; width: 1.1rem; height: 1.1rem; border-radius: 50%;
  background: rgba(var(--blue-rgb), .16) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none' stroke='%234f8cff' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M4 8.5 7 11l5-6'/%3E%3C/svg%3E") center / 70% no-repeat;
}
.plan .btn { width: 100%; }

.plan-featured {
  background:
    linear-gradient(180deg, rgba(var(--accent-rgb), .07), transparent 45%),
    linear-gradient(180deg, #1a2642, #141e35);
  border: 1px solid rgba(var(--accent-rgb), .45);
  box-shadow: 0 30px 70px -30px rgba(var(--accent-rgb), .3), 0 0 0 1px rgba(var(--accent-rgb), .1) inset;
}
.plan-featured:hover { border-color: rgba(var(--accent-rgb), .7); }
.plan-featured li::before {
  background-color: rgba(var(--accent-rgb), .16);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none' stroke='%23c9f31d' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M4 8.5 7 11l5-6'/%3E%3C/svg%3E");
}
.plan-flag {
  position: absolute; top: -0.85rem; left: 1.8rem; margin: 0; padding: .25rem .8rem;
  background: var(--accent); color: var(--accent-ink);
  font-size: .78rem; font-weight: 600; border-radius: 999px;
  box-shadow: 0 6px 18px -6px rgba(var(--accent-rgb), .6);
}

/* Reviews */
.reviews {
  display: grid; grid-auto-flow: column; grid-auto-columns: minmax(280px, calc((100% - 2.5rem) / 3));
  gap: 1.25rem; overflow-x: auto; scroll-snap-type: x mandatory;
  padding: .25rem .1rem 1.25rem; scrollbar-width: thin; scrollbar-color: var(--line-strong) transparent;
}
.review {
  margin: 0; scroll-snap-align: start; border-radius: var(--r-lg); padding: 1.75rem;
  display: flex; flex-direction: column; justify-content: space-between; gap: 1.5rem;
  transition: border-color .3s;
}
.review:hover { border-color: var(--line-strong); }
.review blockquote { margin: 0; }
.review cite { font-style: normal; }
.review p { font-size: 1.04rem; line-height: 1.7; color: var(--text); margin: 0; }
.review p::before { content: "★★★★★"; display: block; letter-spacing: .15em; color: var(--accent); font-size: .9rem; margin-bottom: .9rem; }
.review footer { font-weight: 600; font-size: .95rem; color: #f3f6fb; padding-top: 1rem; border-top: 1px solid var(--line); }
.review footer span { display: block; font-weight: 400; color: var(--text-mute); }
.review-nav { display: flex; gap: .55rem; }
.round {
  width: 48px; height: 48px; border-radius: 50%;
  border: 1px solid var(--line-strong); background: rgba(255, 255, 255, .03);
  font-size: 1.5rem; line-height: 1; cursor: pointer; color: var(--text);
  transition: background .2s, color .2s, border-color .2s;
}
.round:hover { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.text-link { display: inline-block; margin-top: 1.5rem; font-weight: 600; color: var(--accent); }
.text-link:hover { color: #d6ff3a; }

/* FAQ */
.faq-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: clamp(2rem, 5vw, 4.5rem); align-items: start; }
.faq-grid .section-head a { color: var(--accent); }
.faq { display: grid; gap: .7rem; }
.faq details {
  border: 1px solid var(--line); border-radius: 14px;
  background: rgba(19, 28, 49, .6);
  transition: border-color .25s, background .25s;
}
.faq details[open] { border-color: rgba(var(--accent-rgb), .3); background: var(--surface); }
.faq summary {
  list-style: none; cursor: pointer; padding: 1.15rem 3.25rem 1.15rem 1.35rem; position: relative;
  font: 600 1.05rem/1.4 var(--display); color: var(--text);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+"; position: absolute; right: 1rem; top: 50%; transform: translateY(-50%);
  display: grid; place-items: center; width: 1.75rem; height: 1.75rem; border-radius: 50%;
  font: 500 1.2rem/1 var(--sans); color: var(--accent); background: rgba(var(--accent-rgb), .1);
  transition: transform .3s var(--ease);
}
.faq details[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.faq details p { color: var(--text-soft); max-width: 62ch; padding: 0 1.35rem 1.25rem; margin: 0; }

/* Contact */
.contact {
  background:
    radial-gradient(50rem 30rem at 0% 0%, rgba(var(--accent-rgb), .08), transparent 60%),
    radial-gradient(50rem 30rem at 100% 100%, rgba(var(--blue-rgb), .14), transparent 60%),
    var(--bg-2);
  border-top: 1px solid var(--line);
}
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 6vw, 5rem); align-items: start; }
.contact h2 { font-size: var(--step-3); margin-bottom: 1rem; max-width: 16ch; }
.contact-copy > p { color: var(--text-soft); max-width: 44ch; }
.channels-wrap { font-style: normal; }
.channels { list-style: none; padding: 0; margin: 2rem 0 0; display: grid; }
.channels li > a, .channels li > span {
  display: grid; grid-template-columns: 6.5rem 1fr; gap: 1rem; padding: 1rem 0;
  border-top: 1px solid var(--line); color: var(--text); text-decoration: none; overflow-wrap: anywhere;
}
.channels li > a:hover { color: var(--accent); }
.channels li > * > span { color: var(--text-mute); font-size: .95rem; }

.contact-form { display: grid; grid-template-columns: 1fr 1fr; gap: 1.1rem; padding: clamp(1.35rem, 3vw, 2.1rem); border-radius: var(--r-lg); }
.contact-form label { display: grid; gap: .45rem; font-weight: 600; font-size: .93rem; color: var(--text); }
.contact-form .full { grid-column: 1 / -1; }
.contact-form input, .contact-form select, .contact-form textarea {
  width: 100%; font: 400 1rem/1.4 var(--sans); color: var(--text);
  padding: .8rem .95rem; border: 1px solid var(--line-strong); border-radius: 12px;
  background: rgba(11, 17, 32, .65);
  transition: border-color .2s, box-shadow .2s, background .2s;
}
.contact-form input::placeholder { color: var(--text-mute); }
.contact-form select option { background: var(--bg-2); }
.contact-form input:hover, .contact-form select:hover, .contact-form textarea:hover { border-color: rgba(148, 163, 184, .4); }
.contact-form input:focus, .contact-form select:focus, .contact-form textarea:focus {
  outline: none; border-color: var(--accent); background: rgba(11, 17, 32, .9);
  box-shadow: 0 0 0 4px rgba(var(--accent-rgb), .14);
}
.contact-form [aria-invalid="true"] { border-color: #f87171; }
.form-status { margin: 0; min-height: 1.2em; font-size: .95rem; }
.form-status.error { color: #fca5a5; }
.form-status.ok { color: var(--accent); }

/* Footer */
.site-footer { background: var(--bg); color: var(--text-mute); border-top: 1px solid var(--line); padding: 1.9rem 0; font-size: .95rem; }
.footer-inner { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1rem; align-items: center; }
.footer-inner p { margin: 0; }
.social { list-style: none; display: flex; flex-wrap: wrap; gap: 1.4rem; margin: 0; padding: 0; }
.social a { color: var(--text-soft); text-decoration: none; }
.social a:hover { color: var(--accent); }

/* ---------- Responsive ---------- */
@media (max-width: 1000px) {
  .month { grid-template-columns: repeat(2, 1fr); row-gap: 2rem; }
  .plans { grid-template-columns: 1fr; max-width: 520px; }
  .reviews { grid-auto-columns: minmax(280px, 46%); }
}

@media (max-width: 860px) {
  .nav-toggle { display: block; }
  .site-nav {
    position: absolute; top: 74px; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--bg); border-bottom: 1px solid var(--line);
    box-shadow: 0 24px 40px -12px rgba(0, 0, 0, .7);
    padding: .5rem var(--gutter) 1.4rem;
    display: none;
  }
  .site-nav.open { display: flex; }
  .site-nav a:not(.btn) { padding: .95rem 0; border-bottom: 1px solid var(--line); color: var(--text); }
  .site-nav a:not(.btn)::after { display: none; }
  .site-nav .btn { margin-top: 1.1rem; }

  .hero-grid, .approach-grid, .faq-grid, .contact-grid { grid-template-columns: 1fr; }
  .hero-title { max-width: 16ch; }
  .answer { max-width: 540px; }
  .approach-photo { position: static; }
  .approach-photo img { aspect-ratio: 3 / 2; }
  .services { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .brand-mark { width: 36px; height: 36px; }
  .brand-name { font-size: 1.05rem; }
  .kicker { font-size: .8rem; border-radius: 12px; align-items: flex-start; line-height: 1.45; }
  .kicker::before { margin-top: .35em; flex: none; }
  .proof { gap: 1.25rem 2rem; }
  .hero-actions .btn { flex: 1 1 100%; }
  .month { grid-template-columns: 1fr; }
  .compare { font-size: .92rem; }
  .compare th, .compare td { padding: .75rem .8rem; }
  .compare td:first-child, .compare th:first-child { width: 46%; }
  .services .service { padding: 1.4rem 1.3rem; }
  .reviews { grid-auto-columns: 86%; }
  .review-nav { display: none; }
  .contact-form { grid-template-columns: 1fr; }
  .channels li > a, .channels li > span { grid-template-columns: 1fr; gap: .15rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

/* 404 page */
.notfound { min-height: 100vh; display: grid; align-items: center; }
.notfound .brand { margin-bottom: 3rem; }
.notfound h1 { font-size: var(--step-4); max-width: 16ch; margin-bottom: 1.25rem; }

@media (max-width: 400px) {
  .answer-source { grid-template-columns: 64px 1fr; gap: .8rem; }
  .answer-source img { width: 64px; height: 80px; }
  .src-title { font-size: .92rem; }
  .answer-query { margin: .7rem; }
  .answer-body { padding-inline: 1rem; }
}

/* H1 pill: aligned for one or two lines */
.kicker { align-items: flex-start; border-radius: 14px; max-width: 34rem; }
.kicker::before { flex: none; margin-top: .45em; }