/* =====================================================
   SOLARNA — style.css  (Farsi / RTL / Vazir)
   Brutalist minimal · Black & White
   ===================================================== */

/* ── VAZIR FONT ─────────────────────────────────────── */
@font-face {
  font-family: 'Vazir';
  src: url('https://cdn.jsdelivr.net/gh/rastikerdar/vazir-font@v30.1.0/dist/Vazir.woff2') format('woff2');
  font-weight: 400; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'Vazir';
  src: url('https://cdn.jsdelivr.net/gh/rastikerdar/vazir-font@v30.1.0/dist/Vazir-Bold.woff2') format('woff2');
  font-weight: 700; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'Vazir';
  src: url('https://cdn.jsdelivr.net/gh/rastikerdar/vazir-font@v30.1.0/dist/Vazir-Black.woff2') format('woff2');
  font-weight: 900; font-style: normal; font-display: swap;
}

/* ── RESET ─────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; -webkit-text-size-adjust: 100%; direction: rtl; }
body {
  font-family: 'Vazir', Tahoma, sans-serif;
  background: #f5f4f0;
  color: #0a0a0a;
  line-height: 1.8;
  overflow-x: hidden;
  cursor: none;
  direction: rtl;
}
a  { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
ul  { list-style: none; }
button  { font: inherit; cursor: pointer; border: none; background: none; }
input, select, textarea { font: inherit; direction: rtl; }
address { font-style: normal; }

/* ── CSS VARIABLES ──────────────────────────────────── */
:root {
  --bg:       #f5f4f0;
  --ink:      #0a0a0a;
  --muted:    #6b6b6b;
  --line:     rgba(10,10,10,.12);
  --line-str: rgba(10,10,10,.25);
  --white:    #ffffff;
  --f:        'Vazir', Tahoma, sans-serif;
  --max:      1180px;
  --r:        3px;
  --ease:     cubic-bezier(.19,1,.22,1);
  --t-fast:   .2s;
  --t-mid:    .45s;
  --t-slow:   .8s;
}

/* ── UTILITIES ──────────────────────────────────────── */
.container { max-width: var(--max); margin-inline: auto; padding-inline: clamp(1.2rem,4vw,2.5rem); }
.sr-only   { position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap; }

/* ── REVEAL ─────────────────────────────────────────── */
[data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity var(--t-slow) var(--ease), transform var(--t-slow) var(--ease);
}
[data-reveal][data-delay="1"] { transition-delay: .12s; }
[data-reveal][data-delay="2"] { transition-delay: .24s; }
[data-reveal][data-delay="3"] { transition-delay: .36s; }
[data-reveal][data-delay="4"] { transition-delay: .48s; }
[data-reveal].revealed        { opacity:1; transform:none; }

/* ── CURSOR ─────────────────────────────────────────── */
.cursor-dot {
  position:fixed; top:0; left:0;
  width:10px; height:10px;
  background:var(--ink); border-radius:50%;
  pointer-events:none; z-index:9999;
  margin:-5px 0 0 -5px;
  transition: width var(--t-fast), height var(--t-fast);
  mix-blend-mode:difference;
}
.cursor-dot--grow { width:36px; height:36px; margin:-18px 0 0 -18px; }
@media (pointer:coarse) { .cursor-dot { display:none; } body { cursor:auto; } }

/* ══════════════════════════════════════════════════════
   NAVBAR
══════════════════════════════════════════════════════ */
.nav {
  position:fixed; top:0; inset-inline:0; z-index:900;
  background:var(--bg);
  border-bottom:1px solid transparent;
  transition: border-color var(--t-mid), transform var(--t-mid) var(--ease);
}
.nav--scrolled  { border-color:var(--line); }
.nav--hidden    { transform:translateY(-100%); }
.nav--visible   { transform:translateY(0); }

.nav__inner {
  display:flex; align-items:center; height:64px; gap:2rem;
}
.nav__logo {
  display:flex; align-items:center; gap:.5rem;
  font-family:var(--f); font-weight:900; font-size:1.15rem;
  letter-spacing:.02em; color:var(--ink); flex-shrink:0;
}
.nav__logo-mark {
  width:22px; height:22px;
  border:2px solid var(--ink); border-radius:50%;
  position:relative; display:inline-block;
}
.nav__logo-mark::after {
  content:'';
  position:absolute; top:50%; left:50%;
  width:8px; height:8px;
  background:var(--ink); border-radius:50%;
  transform:translate(-50%,-50%);
}
.nav__links { display:flex; align-items:center; gap:2rem; margin-right:auto; }
.nav__links a {
  font-size:.8rem; font-weight:700;
  letter-spacing:.06em; color:var(--muted);
  position:relative; transition:color var(--t-fast);
}
.nav__links a::after {
  content:''; position:absolute;
  bottom:-2px; right:0;
  height:1px; width:0;
  background:var(--ink);
  transition:width var(--t-mid) var(--ease);
}
.nav__links a:hover, .nav__links a.active { color:var(--ink); }
.nav__links a:hover::after, .nav__links a.active::after { width:100%; }

.nav__cta {
  display:inline-flex; align-items:center; gap:.5rem;
  font-size:.78rem; font-weight:700;
  padding:.55em 1.3em;
  border:1.5px solid var(--ink); border-radius:999px;
  color:var(--ink);
  transition:background var(--t-fast), color var(--t-fast);
  white-space:nowrap;
}
.nav__cta:hover { background:var(--ink); color:var(--bg); }

.nav__burger {
  display:none; flex-direction:column; gap:5px;
  margin-right:auto; padding:4px;
}
.nav__burger span {
  display:block; width:22px; height:1.5px;
  background:var(--ink); border-radius:2px;
  transition:transform var(--t-mid) var(--ease), opacity var(--t-fast);
}
.nav__burger--open span:nth-child(1) { transform:translateY(6.5px) rotate(45deg); }
.nav__burger--open span:nth-child(2) { opacity:0; transform:scaleX(0); }

/* ══════════════════════════════════════════════════════
   PAGE SCAFFOLD
══════════════════════════════════════════════════════ */
.page-wrap { padding-top:64px; }
section    { padding-block:clamp(4rem,10vw,8rem); }
section + section { border-top:1px solid var(--line); }

/* ── SECTION LABEL ─────────────────────────────────── */
.s-label {
  display:inline-flex; align-items:center; gap:.5rem;
  font-size:.72rem; font-weight:700; letter-spacing:.14em;
  text-transform:uppercase; color:var(--muted); margin-bottom:1.4rem;
}
.s-label::before {
  content:''; display:inline-block;
  width:20px; height:1px; background:var(--muted);
}

/* ── HEADINGS ──────────────────────────────────────── */
.h-display {
  font-family:var(--f);
  font-size:clamp(2.8rem,8vw,7rem);
  font-weight:900; line-height:1.05;
  letter-spacing:-.02em; color:var(--ink);
}
.h-display em { font-style:normal; opacity:.35; }
.h-title {
  font-family:var(--f);
  font-size:clamp(1.8rem,4.5vw,3.4rem);
  font-weight:900; line-height:1.1; letter-spacing:-.01em;
}
.h-sub {
  font-family:var(--f);
  font-size:clamp(1.1rem,2vw,1.4rem);
  font-weight:700;
}
.body-lg { font-size:clamp(.95rem,1.5vw,1.05rem); color:var(--muted); line-height:1.85; }
.body-sm { font-size:.83rem; color:var(--muted); line-height:1.7; }

/* ── BUTTONS ───────────────────────────────────────── */
.btn {
  display:inline-flex; align-items:center; gap:.55rem;
  font-family:var(--f); font-size:.82rem; font-weight:700;
  padding:.8em 1.8em; border-radius:999px;
  border:1.5px solid transparent;
  transition:background var(--t-fast),color var(--t-fast),
             border-color var(--t-fast),transform var(--t-fast);
  cursor:pointer; white-space:nowrap;
}
.btn:hover { transform:translateY(-2px); }
.btn svg   { transition:transform var(--t-fast); }
.btn:hover svg { transform:translateX(-3px); }
.btn-ink   { background:var(--ink); color:var(--bg); border-color:var(--ink); }
.btn-ink:hover { background:#222; }
.btn-ghost { background:transparent; color:var(--ink); border-color:var(--ink); }
.btn-ghost:hover { background:var(--ink); color:var(--bg); }
.btn-lg { font-size:.9rem; padding:1em 2.2em; }
.btn-sm { font-size:.74rem; padding:.55em 1.2em; }

/* ══════════════════════════════════════════════════════
   HERO
══════════════════════════════════════════════════════ */
.hero {
  min-height:calc(100svh - 64px);
  display:flex; flex-direction:column; justify-content:flex-end;
  padding-bottom:clamp(3rem,6vw,5rem);
  position:relative; overflow:hidden;
  border-bottom:1px solid var(--line);
}
.hero__bg-num {
  position:absolute; top:50%; left:50%;
  transform:translate(-50%,-50%);
  font-family:var(--f); font-size:clamp(14rem,32vw,32rem);
  font-weight:900; color:transparent;
  -webkit-text-stroke:1px rgba(10,10,10,.05);
  user-select:none; pointer-events:none; white-space:nowrap;
}
.hero__inner {
  position:relative; z-index:1;
  display:grid; grid-template-columns:1fr auto;
  align-items:flex-end; gap:2rem;
}
.hero__eyebrow {
  display:flex; align-items:center; gap:.8rem;
  font-size:.72rem; font-weight:700;
  letter-spacing:.14em; text-transform:uppercase;
  color:var(--muted); margin-bottom:1.5rem;
}
.hero__eyebrow::before {
  content:'●'; font-size:.4rem; color:var(--ink);
  animation:blink 2s step-end infinite;
}
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:0} }

.hero__cta-col {
  display:flex; flex-direction:column;
  align-items:flex-start; gap:1.5rem; padding-bottom:.4rem;
}
.hero__scroll {
  writing-mode:vertical-rl;
  font-size:.68rem; letter-spacing:.2em; text-transform:uppercase;
  color:var(--muted); display:flex; align-items:center; gap:.6rem;
}
.hero__scroll::before {
  content:''; display:block; width:1px; height:48px;
  background:var(--muted);
  animation:lineGrow 2s var(--ease) infinite;
}
@keyframes lineGrow {
  0%   { transform:scaleY(0); transform-origin:top; }
  50%  { transform:scaleY(1); transform-origin:top; }
  51%  { transform:scaleY(1); transform-origin:bottom; }
  100% { transform:scaleY(0); transform-origin:bottom; }
}
.hero__stats {
  display:flex; gap:2.5rem;
  margin-top:3rem; padding-top:2rem;
  border-top:1px solid var(--line);
}
.hero__stat-val {
  font-family:var(--f); font-size:2rem; font-weight:900;
  line-height:1; letter-spacing:-.02em;
}
.hero__stat-lbl {
  font-size:.72rem; letter-spacing:.08em; color:var(--muted); margin-top:.3rem;
}

/* ══════════════════════════════════════════════════════
   MARQUEE
══════════════════════════════════════════════════════ */
.marquee {
  overflow:hidden; border-block:1px solid var(--line);
  padding-block:.9rem; background:var(--ink);
}
.marquee__track {
  display:flex; animation:marquee 28s linear infinite; width:max-content;
}
.marquee__item {
  font-family:var(--f); font-size:.9rem; font-weight:700;
  letter-spacing:.1em; color:var(--bg);
  padding-inline:1.8rem; white-space:nowrap; opacity:.7;
}
.marquee__item--sep { opacity:.25; }
@keyframes marquee { to { transform:translateX(-50%); } }

/* ══════════════════════════════════════════════════════
   SERVICES GRID
══════════════════════════════════════════════════════ */
.services-grid {
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(240px,1fr));
  gap:1px; background:var(--line);
  border:1px solid var(--line); border-radius:var(--r); overflow:hidden;
}
.svc-card {
  background:var(--bg); padding:clamp(1.8rem,4vw,2.6rem);
  display:flex; flex-direction:column; gap:1rem;
  transition:background var(--t-mid); position:relative; overflow:hidden;
}
.svc-card::before {
  content:''; position:absolute; inset:0;
  background:var(--ink); transform:translateY(100%);
  transition:transform var(--t-mid) var(--ease); z-index:0;
}
.svc-card:hover::before { transform:translateY(0); }
.svc-card > *   { position:relative; z-index:1; }
.svc-card:hover .svc-card__num,
.svc-card:hover .svc-card__title,
.svc-card:hover .svc-card__body,
.svc-card:hover .svc-card__link { color:var(--bg); }
.svc-card__num   { font-size:.7rem; font-weight:700; letter-spacing:.14em; color:var(--muted); transition:color var(--t-mid); }
.svc-card__icon  { font-size:1.5rem; line-height:1; }
.svc-card__title { font-family:var(--f); font-size:1.05rem; font-weight:700; transition:color var(--t-mid); }
.svc-card__body  { font-size:.84rem; color:var(--muted); line-height:1.75; margin-top:auto; transition:color var(--t-mid); }
.svc-card__link  {
  display:inline-flex; align-items:center; gap:.4rem;
  font-size:.74rem; font-weight:700; letter-spacing:.08em;
  color:var(--ink); margin-top:1.5rem; transition:color var(--t-mid),gap var(--t-fast);
}
.svc-card:hover .svc-card__link { gap:.7rem; }

/* ══════════════════════════════════════════════════════
   STATS ROW
══════════════════════════════════════════════════════ */
.stats-row {
  display:grid; grid-template-columns:repeat(4,1fr);
  gap:1px; background:var(--line);
  border:1px solid var(--line); border-radius:var(--r); overflow:hidden;
}
.stat-box {
  background:var(--bg);
  padding:clamp(2rem,4vw,3rem) clamp(1.5rem,3vw,2rem);
}
.stat-box__val {
  font-family:var(--f); font-size:clamp(2rem,4.5vw,3.2rem);
  font-weight:900; letter-spacing:-.02em; line-height:1; margin-bottom:.5rem;
}
.stat-box__lbl {
  font-size:.72rem; font-weight:700; letter-spacing:.08em; color:var(--muted);
}

/* ══════════════════════════════════════════════════════
   PROCESS LIST
══════════════════════════════════════════════════════ */
.process-list {
  display:flex; flex-direction:column;
  border:1px solid var(--line); border-radius:var(--r); overflow:hidden;
}
.process-item {
  display:grid; grid-template-columns:52px 1fr auto;
  align-items:center; gap:1.5rem;
  padding:1.4rem 1.8rem; background:var(--bg);
  border-bottom:1px solid var(--line);
  transition:background var(--t-fast);
}
.process-item:last-child { border-bottom:none; }
.process-item:hover      { background:var(--white); }
.process-item__num   { font-family:var(--f); font-size:1.6rem; font-weight:900; color:rgba(10,10,10,.1); line-height:1; }
.process-item__title { font-family:var(--f); font-size:.95rem; font-weight:700; margin-bottom:.2rem; }
.process-item__desc  { font-size:.8rem; color:var(--muted); }
.process-item__icon  { font-size:1.3rem; opacity:.45; }

/* ══════════════════════════════════════════════════════
   TESTIMONIAL CAROUSEL
══════════════════════════════════════════════════════ */
.carousel { position:relative; overflow:hidden; }
.carousel__track { position:relative; min-height:260px; }
.carousel__slide {
  position:absolute; inset:0;
  opacity:0; transform:translateX(-30px);
  transition:opacity var(--t-slow) var(--ease), transform var(--t-slow) var(--ease);
  pointer-events:none;
}
.carousel__slide--active {
  opacity:1; transform:none;
  position:relative; pointer-events:auto;
}
.carousel__quote {
  font-size:.68rem; font-weight:700; letter-spacing:.14em;
  text-transform:uppercase; color:var(--muted); margin-bottom:1.2rem;
}
.carousel__text {
  font-family:var(--f); font-size:clamp(1.1rem,2vw,1.55rem);
  font-weight:700; line-height:1.55; letter-spacing:-.01em;
  margin-bottom:2rem; color:var(--ink); max-width:580px;
}
.carousel__author { display:flex; align-items:center; gap:1rem; }
.carousel__avatar {
  width:42px; height:42px; border-radius:50%;
  background:#e0ddd6; display:flex; align-items:center;
  justify-content:center; font-size:1.2rem;
  border:1.5px solid var(--line-str,var(--line)); flex-shrink:0;
}
.carousel__name { font-family:var(--f); font-size:.88rem; font-weight:700; }
.carousel__role { font-size:.72rem; color:var(--muted); }
.carousel__controls { display:flex; align-items:center; gap:1.2rem; margin-top:2.2rem; }
.carousel__prev, .carousel__next {
  width:38px; height:38px; border-radius:50%;
  border:1.5px solid var(--line);
  display:flex; align-items:center; justify-content:center;
  color:var(--ink); transition:background var(--t-fast),color var(--t-fast),border-color var(--t-fast);
}
.carousel__prev:hover, .carousel__next:hover {
  background:var(--ink); color:var(--bg); border-color:var(--ink);
}
.carousel__dots { display:flex; gap:.4rem; }
.carousel__dot {
  width:20px; height:3px; border-radius:2px;
  background:var(--line); cursor:pointer;
  transition:background var(--t-fast), width var(--t-mid) var(--ease);
  border:none;
}
.carousel__dot--active { background:var(--ink); width:36px; }

/* ══════════════════════════════════════════════════════
   PAGE HERO (inner pages)
══════════════════════════════════════════════════════ */
.page-hero {
  padding-top:clamp(3.5rem,7vw,5.5rem);
  padding-bottom:clamp(2.5rem,5vw,4rem);
  border-bottom:1px solid var(--line);
}
.breadcrumb {
  display:flex; gap:.6rem; align-items:center;
  font-size:.68rem; letter-spacing:.1em; text-transform:uppercase;
  color:var(--muted); margin-bottom:1.5rem;
}
.breadcrumb a { color:var(--muted); }
.breadcrumb a:hover { color:var(--ink); }
.breadcrumb-sep { color:var(--line); }

/* ══════════════════════════════════════════════════════
   CALCULATOR
══════════════════════════════════════════════════════ */
.calc-wrap {
  display:grid; grid-template-columns:1fr 1fr;
  gap:4rem; align-items:start;
}
.calc-panel {
  border:1px solid var(--line); border-radius:var(--r);
  padding:clamp(1.8rem,4vw,2.6rem); background:var(--white);
}
.calc-field { margin-bottom:1.7rem; }
.calc-field label {
  display:block; font-size:.7rem; font-weight:700;
  letter-spacing:.1em; text-transform:uppercase;
  color:var(--muted); margin-bottom:.65rem;
}
.calc-field input, .calc-field select {
  width:100%; padding:.85rem 1rem;
  background:var(--bg); border:1.5px solid var(--line);
  border-radius:var(--r); font-size:.95rem; color:var(--ink);
  transition:border-color var(--t-fast); appearance:none;
}
.calc-field input:focus, .calc-field select:focus {
  outline:none; border-color:var(--ink);
}
input[type=range] { width:100%; height:2px; accent-color:var(--ink); cursor:pointer; margin-top:.8rem; }
.calc-note { font-size:.72rem; color:var(--muted); margin-top:.4rem; }

.calc-result {
  opacity:0; transform:translateY(14px);
  transition:opacity var(--t-mid) var(--ease), transform var(--t-mid) var(--ease);
  pointer-events:none;
}
.calc-result--show { opacity:1; transform:none; pointer-events:auto; }

.calc-result-grid {
  display:grid; grid-template-columns:1fr 1fr;
  gap:1px; background:var(--line);
  border:1px solid var(--line); border-radius:var(--r);
  overflow:hidden; margin-bottom:1.2rem;
}
.calc-result-box  { background:var(--ink); color:var(--bg); padding:1.3rem 1.1rem; }
.calc-result-box__val { font-family:var(--f); font-size:1.35rem; font-weight:900; line-height:1; margin-bottom:.3rem; }
.calc-result-box__key { font-size:.62rem; letter-spacing:.1em; text-transform:uppercase; opacity:.5; }

/* ══════════════════════════════════════════════════════
   CONTACT / FORM
══════════════════════════════════════════════════════ */
.contact-layout {
  display:grid; grid-template-columns:1fr 1fr;
  gap:clamp(3rem,6vw,5rem); align-items:start;
}
.contact-info-list { margin-top:2rem; }
.contact-info-item {
  display:flex; gap:1.2rem; align-items:flex-start;
  padding-block:1.2rem; border-bottom:1px solid var(--line);
}
.contact-info-item:last-child { border-bottom:none; }
.contact-info-item__icon {
  width:36px; height:36px; border:1.5px solid var(--line);
  border-radius:50%; display:flex; align-items:center;
  justify-content:center; font-size:.9rem; flex-shrink:0;
}
.contact-info-item__label { font-size:.65rem; font-weight:700; letter-spacing:.1em; text-transform:uppercase; color:var(--muted); margin-bottom:.2rem; }
.contact-info-item__val   { font-family:var(--f); font-size:.9rem; font-weight:700; }
.contact-info-item__action a { color:var(--ink); font-weight:700; border-bottom:1px solid var(--line); }

.form { display:flex; flex-direction:column; gap:1.15rem; }
.form__field { display:flex; flex-direction:column; gap:.4rem; }
.form__field label { font-size:.68rem; font-weight:700; letter-spacing:.1em; text-transform:uppercase; color:var(--muted); }
.form__field input,
.form__field select,
.form__field textarea {
  width:100%; padding:.85rem 1rem;
  background:var(--bg); border:1.5px solid var(--line);
  border-radius:var(--r); font-size:.9rem; color:var(--ink);
  transition:border-color var(--t-fast); resize:vertical;
  direction:rtl;
}
.form__field textarea { min-height:115px; }
.form__field input:focus,
.form__field select:focus,
.form__field textarea:focus { outline:none; border-color:var(--ink); }

.form__msg {
  font-size:.8rem; padding:.8rem 1rem;
  border-radius:var(--r); border:1.5px solid var(--line); display:none;
}
.form__msg--show  { display:block; }
.form__msg--ok    { background:rgba(10,10,10,.04); }
.form__msg--error { border-color:rgba(180,0,0,.3); background:rgba(180,0,0,.04); color:#7a1111; }

/* spinner */
.btn-spinner { display:none; }
.btn--loading .btn-spinner { display:inline-block; }
.btn--loading .btn-text    { display:none; }
@keyframes spin { to { transform:rotate(360deg); } }
.spinner { width:14px; height:14px; border:2px solid rgba(255,255,255,.3); border-top-color:currentColor; border-radius:50%; animation:spin .7s linear infinite; display:inline-block; }

/* ══════════════════════════════════════════════════════
   CTA STRIP
══════════════════════════════════════════════════════ */
.cta-strip {
  background:var(--ink); color:var(--bg);
  padding-block:clamp(3rem,7vw,5rem); text-align:center;
}
.cta-strip .h-title { color:var(--bg); margin-bottom:1rem; }
.cta-strip .body-lg { color:rgba(245,244,240,.55); margin-bottom:2rem; }
.cta-strip .btn-ghost { color:var(--bg); border-color:rgba(245,244,240,.3); }
.cta-strip .btn-ghost:hover { background:var(--bg); color:var(--ink); border-color:var(--bg); }

/* ══════════════════════════════════════════════════════
   FOOTER
══════════════════════════════════════════════════════ */
.footer {
  background:var(--ink); color:rgba(245,244,240,.45);
  padding-block:clamp(3rem,6vw,4rem);
  border-top:1px solid rgba(255,255,255,.06);
}
.footer__top {
  display:grid; grid-template-columns:2fr 1fr 1fr;
  gap:3rem; margin-bottom:3rem;
}
.footer__logo {
  font-family:var(--f); font-weight:900; font-size:1.25rem;
  color:var(--bg); margin-bottom:.8rem; display:block;
}
.footer__brand p { font-size:.83rem; line-height:1.75; }
.footer__nav, .footer__contact { display:flex; flex-direction:column; gap:.7rem; }
.footer__nav a, .footer__contact a { font-size:.8rem; transition:color var(--t-fast); }
.footer__nav a:hover, .footer__contact a:hover { color:var(--bg); }
.footer__bottom {
  display:flex; justify-content:space-between; align-items:center;
  padding-top:1.5rem; border-top:1px solid rgba(255,255,255,.07);
  font-size:.72rem; flex-wrap:wrap; gap:.5rem;
}

/* ══════════════════════════════════════════════════════
   WHATSAPP FLOAT
══════════════════════════════════════════════════════ */
.wa-float {
  position:fixed; bottom:2rem; left:2rem; z-index:800;
  width:48px; height:48px;
  background:#25D366; color:var(--white); border-radius:50%;
  display:flex; align-items:center; justify-content:center;
  box-shadow:0 4px 20px rgba(37,211,102,.3);
  transition:transform var(--t-fast), box-shadow var(--t-fast);
}
.wa-float:hover { transform:scale(1.1); box-shadow:0 6px 28px rgba(37,211,102,.45); }

/* ══════════════════════════════════════════════════════
   PROJECTS (kept for projects.html but nav hidden)
══════════════════════════════════════════════════════ */
.proj-grid {
  display:grid; grid-template-columns:repeat(auto-fill,minmax(300px,1fr));
  gap:1px; background:var(--line);
  border:1px solid var(--line); border-radius:var(--r); overflow:hidden;
}
.proj-card { background:var(--bg); overflow:hidden; transition:background var(--t-mid); }
.proj-card__vis {
  height:175px; background:#e8e6e0;
  display:flex; align-items:center; justify-content:center;
  font-size:3.5rem; border-bottom:1px solid var(--line);
}
.proj-card__body { padding:1.4rem; }
.proj-card__tag  { font-size:.65rem; font-weight:700; letter-spacing:.1em; text-transform:uppercase; color:var(--muted); margin-bottom:.5rem; }
.proj-card__title { font-family:var(--f); font-size:.95rem; font-weight:700; margin-bottom:.5rem; }
.proj-card__meta { display:flex; gap:1rem; margin-top:1rem; padding-top:1rem; border-top:1px solid var(--line); }
.proj-card__meta-val { font-family:var(--f); font-size:1.05rem; font-weight:900; }
.proj-card__meta-key { font-size:.62rem; letter-spacing:.08em; text-transform:uppercase; color:var(--muted); }

/* ══════════════════════════════════════════════════════
   RESPONSIVE
══════════════════════════════════════════════════════ */
@media (max-width:900px) {
  .hero__inner      { grid-template-columns:1fr; }
  .hero__cta-col    { flex-direction:row; align-items:center; margin-top:2rem; }
  .hero__scroll     { display:none; }
  .stats-row        { grid-template-columns:1fr 1fr; }
  .calc-wrap        { grid-template-columns:1fr; }
  .contact-layout   { grid-template-columns:1fr; }
  .footer__top      { grid-template-columns:1fr 1fr; }
}
@media (max-width:640px) {
  .nav__links, .nav__cta { display:none; }
  .nav__burger { display:flex; }
  .nav__links--open {
    display:flex; flex-direction:column;
    position:fixed; inset:64px 0 0;
    background:var(--bg);
    padding:2.5rem clamp(1.2rem,4vw,2.5rem);
    gap:1.8rem; z-index:850;
  }
  .nav__links--open a { font-size:1.1rem; }
  .services-grid      { grid-template-columns:1fr; }
  .calc-result-grid   { grid-template-columns:1fr; }
  .footer__top        { grid-template-columns:1fr; gap:2rem; }
  .footer__bottom     { flex-direction:column; text-align:center; }
  .hero__stats        { flex-wrap:wrap; gap:1.5rem; }
  .process-item       { grid-template-columns:42px 1fr; }
  .process-item__icon { display:none; }
}
@media (max-width:480px) {
  .proj-grid        { grid-template-columns:1fr; }
  .carousel__text   { font-size:1.05rem; }
  .stats-row        { grid-template-columns:1fr 1fr; }
}
@media print {
  .nav,.wa-float,.footer,.cta-strip { display:none !important; }
  .page-wrap { padding-top:0; }
}