/* ============ GNIST EL — style.css ============ */
:root {
  --yellow: #FFD60A;
  --yellow-dark: #E6BE00;
  --black: #0D0D0F;
  --dark: #16161A;
  --grey: #6b6b72;
  --light: #f6f6f4;
  --white: #ffffff;
  --radius: 6px;
  --shadow: 0 10px 30px rgba(0,0,0,.12);
  --font: 'Poppins', system-ui, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: var(--font); color: var(--dark); background: var(--white); line-height: 1.6; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

.container { width: min(1160px, 92%); margin-inline: auto; }
.section { padding: 96px 0; }
.section-dark { background: var(--black); color: var(--white); }

.section-kicker {
  color: var(--yellow-dark);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .18em;
  font-size: .8rem;
  margin-bottom: .5rem;
}
.section-dark .section-kicker { color: var(--yellow); }
.section-title {
  font-size: clamp(1.7rem, 3.4vw, 2.6rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1.5rem;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  padding: .8rem 1.9rem;
  font-weight: 600;
  font-size: .95rem;
  border-radius: var(--radius);
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform .15s ease, background .2s ease, color .2s ease;
  font-family: inherit;
}
.btn:hover { transform: translateY(-2px); }
.btn-yellow { background: var(--yellow); color: var(--black); box-shadow: 4px 4px 0 rgba(0,0,0,.25); }
.btn-yellow:hover { background: var(--yellow-dark); }
.btn-dark { background: var(--black); color: var(--white); }
.btn-outline { border-color: var(--black); color: var(--black); background: transparent; }
.btn-outline:hover { background: var(--black); color: var(--white); }
.btn-lg { padding: 1rem 2.4rem; font-size: 1.05rem; }

/* ---------- Header / nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--black);
  background-image:
    radial-gradient(circle at 12% 30%, rgba(255,214,10,.07) 0 2px, transparent 3px),
    radial-gradient(circle at 88% 70%, rgba(255,214,10,.07) 0 2px, transparent 3px);
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.nav {
  display: flex;
  align-items: center;
  gap: 2rem;
  height: 78px;
}
.logo { display: flex; align-items: center; gap: .65rem; }
.logo-mark { width: 38px; height: 38px; flex: none; }
.logo-text {
  color: var(--white);
  font-weight: 800;
  font-size: 1.35rem;
  letter-spacing: .06em;
  line-height: 1;
  display: flex;
  flex-direction: column;
}
.logo-sub {
  color: var(--yellow);
  font-size: .52rem;
  font-weight: 600;
  letter-spacing: .42em;
  margin-top: .3rem;
}
.nav-links {
  display: flex;
  gap: 1.8rem;
  margin-left: auto;
}
.nav-links a {
  color: #cfcfd4;
  font-size: .92rem;
  font-weight: 500;
  padding: .4rem 0;
  border-bottom: 2px solid transparent;
  transition: color .2s;
}
.nav-links a:hover, .nav-links a.active { color: var(--white); border-bottom-color: var(--yellow); }
.nav-cta { flex: none; }
.nav-cta-mobile { display: none; }
.nav-toggle { display: none; background: none; border: 0; cursor: pointer; }
.nav-toggle span {
  display: block; width: 26px; height: 3px; margin: 5px 0;
  background: var(--yellow); border-radius: 2px; transition: .25s;
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 88vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  overflow: hidden;
  color: var(--white);
}
.hero-slides, .hero-slide { position: absolute; inset: 0; }
.hero-slide {
  background-size: cover;
  background-position: center;
  opacity: 0;
  transition: opacity 1s ease;
}
.hero-slide.is-active { opacity: 1; }
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(13,13,15,.55) 0%, rgba(13,13,15,.35) 45%, rgba(13,13,15,.75) 100%);
}
.hero-content {
  position: relative;
  text-align: center;
  padding: 4rem 1rem 2rem;
}
.hero-title {
  font-size: clamp(2.6rem, 7vw, 5.2rem);
  font-weight: 700;
  line-height: 1.05;
  margin-bottom: 1.4rem;
  text-shadow: 0 4px 24px rgba(0,0,0,.45);
}
.hero-tagline {
  font-size: clamp(.95rem, 1.6vw, 1.15rem);
  font-weight: 300;
  margin-bottom: 2rem;
  opacity: .95;
}
.hero-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 5;
  background: none;
  border: 0;
  color: var(--white);
  font-size: 1.9rem;
  cursor: pointer;
  padding: 1rem;
  opacity: .7;
  transition: opacity .2s;
}
.hero-arrow:hover { opacity: 1; }
.hero-prev { left: .5rem; }
.hero-next { right: .5rem; }
.hero-info {
  position: relative;
  display: flex;
  justify-content: space-between;
  gap: 2rem;
  padding-bottom: 2.5rem;
  margin-top: auto;
  flex-wrap: wrap;
}
.hero-info-item {
  flex: 1 1 220px;
  font-weight: 600;
  font-size: 1rem;
  padding-top: .9rem;
}
.hero-info-line { display: block; height: 2px; background: var(--white); margin-bottom: .9rem; opacity: .9; }

/* ---------- CTA split ---------- */
.cta-split { display: grid; grid-template-columns: 1fr 1.15fr; }
.cta-box { background: var(--yellow); display: flex; align-items: center; }
.cta-box-inner { padding: clamp(2.5rem, 6vw, 5rem); max-width: 560px; margin-left: auto; }
.cta-icon { width: 64px; height: 64px; margin-bottom: 1.2rem; }
.cta-box h2 {
  font-size: clamp(1.5rem, 2.6vw, 2.1rem);
  font-weight: 600;
  line-height: 1.3;
  color: var(--black);
  margin-bottom: 1.6rem;
}
.cta-media { position: relative; min-height: 380px; }
.cta-media img { width: 100%; height: 100%; object-fit: cover; position: absolute; inset: 0; }
.cta-badge {
  position: absolute;
  left: 2rem; bottom: 2rem;
  background: var(--black);
  color: var(--white);
  padding: 1rem 1.5rem;
  border-left: 5px solid var(--yellow);
  display: flex;
  flex-direction: column;
}
.cta-badge-number { font-size: 1.7rem; font-weight: 800; color: var(--yellow); line-height: 1.1; }
.cta-badge-label { font-size: .85rem; }

/* ---------- Services ---------- */
.services { background: var(--light); }
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.8rem;
  margin-top: 2.5rem;
}
.service-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform .2s ease;
}
.service-card:hover { transform: translateY(-6px); }
.service-card img { height: 190px; width: 100%; object-fit: cover; }
.service-body { padding: 1.5rem 1.6rem 1.7rem; }
.service-body h3 { font-size: 1.15rem; margin-bottom: .5rem; }
.service-body p { font-size: .92rem; color: var(--grey); margin-bottom: 1rem; }
.service-link { font-weight: 600; font-size: .9rem; color: var(--black); border-bottom: 2px solid var(--yellow); padding-bottom: 2px; }

/* ---------- About ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: center;
}
.about-media { position: relative; }
.about-media img { border-radius: var(--radius); position: relative; z-index: 1; }
.about-frame {
  position: absolute;
  inset: -18px auto auto -18px;
  width: 60%; height: 60%;
  border: 4px solid var(--yellow);
  border-radius: var(--radius);
}
.about-text > p { color: #c9c9cf; margin-bottom: 1.4rem; }
.about-list { margin-bottom: 2.2rem; }
.about-list li { padding: .35rem 0 .35rem 1.9rem; position: relative; font-size: .97rem; }
.about-list li::before {
  content: "⚡";
  position: absolute; left: 0;
  color: var(--yellow);
}
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
  gap: 1.4rem;
  border-top: 1px solid rgba(255,255,255,.15);
  padding-top: 1.8rem;
}
.stat-number { font-size: 2rem; font-weight: 800; color: var(--yellow); display: block; line-height: 1.1; }
.stat-label { font-size: .8rem; color: #b9b9c0; }

/* ---------- Prices ---------- */
.price-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.8rem;
  margin-top: 2.5rem;
  align-items: stretch;
}
.price-card {
  border: 1px solid #e6e6e2;
  border-radius: var(--radius);
  padding: 2.2rem 2rem;
  display: flex;
  flex-direction: column;
  position: relative;
  background: var(--white);
}
.price-card-featured {
  border: 3px solid var(--yellow);
  box-shadow: var(--shadow);
  transform: scale(1.03);
}
.price-flag {
  position: absolute;
  top: -14px; left: 50%;
  transform: translateX(-50%);
  background: var(--yellow);
  color: var(--black);
  font-size: .75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .1em;
  padding: .25rem .9rem;
  border-radius: 20px;
}
.price-card h3 { font-size: 1.05rem; text-transform: uppercase; letter-spacing: .08em; color: var(--grey); }
.price-amount { font-size: 2.2rem; font-weight: 800; margin: .6rem 0 1.2rem; }
.price-amount span { font-size: .95rem; font-weight: 500; color: var(--grey); }
.price-card ul { margin-bottom: 1.8rem; flex: 1; }
.price-card li { padding: .32rem 0 .32rem 1.6rem; position: relative; font-size: .93rem; color: #3d3d42; }
.price-card li::before { content: "✓"; position: absolute; left: 0; color: var(--yellow-dark); font-weight: 700; }

/* ---------- Calculator ---------- */
.calc-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 6vw, 5rem);
  align-items: start;
}
.calc-intro > p { color: #c9c9cf; margin-bottom: 2rem; }
.calc-illustration { width: 120px; opacity: .9; }
.calc-form {
  background: var(--dark);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius);
  padding: 2.2rem;
  display: grid;
  gap: 1.3rem;
}
.calc-form label { display: grid; gap: .45rem; font-size: .9rem; font-weight: 500; }
.calc-form select, .calc-form input[type="range"] {
  font-family: inherit;
  font-size: .95rem;
}
.calc-form select {
  background: var(--black);
  color: var(--white);
  border: 1px solid rgba(255,255,255,.2);
  border-radius: var(--radius);
  padding: .7rem .9rem;
}
.calc-form input[type="range"] { accent-color: var(--yellow); }
#calc-qty-out { font-weight: 700; color: var(--yellow); }
.calc-check { grid-template-columns: auto 1fr; display: grid; align-items: center; gap: .6rem !important; }
.calc-check input { width: 18px; height: 18px; accent-color: var(--yellow); }
.calc-result {
  background: var(--black);
  border: 2px dashed var(--yellow);
  border-radius: var(--radius);
  text-align: center;
  padding: 1.2rem;
  display: grid;
  gap: .15rem;
}
.calc-result span { font-size: .8rem; text-transform: uppercase; letter-spacing: .15em; color: #b9b9c0; }
.calc-result strong { font-size: 2rem; color: var(--yellow); }
.calc-result small { color: #8f8f96; }

/* ---------- Reviews ---------- */
.review-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.8rem;
  margin-top: 2.5rem;
}
.review-card {
  background: var(--light);
  border-radius: var(--radius);
  padding: 2rem;
  border-top: 4px solid var(--yellow);
}
.review-stars { color: var(--yellow-dark); letter-spacing: .2em; margin-bottom: .8rem; }
.review-card p { font-size: .95rem; margin-bottom: 1.2rem; }
.review-card footer { font-weight: 600; font-size: .88rem; color: var(--grey); }

/* ---------- Area ---------- */
.area {
  position: relative;
  background-size: cover;
  background-position: center;
  color: var(--white);
  padding: 110px 0;
}
.area-overlay { position: absolute; inset: 0; background: rgba(13,13,15,.78); }
.area-content { position: relative; }
.area-tags { display: flex; flex-wrap: wrap; gap: .7rem; margin-top: 1.5rem; max-width: 620px; }
.area-tags li {
  border: 1px solid rgba(255,214,10,.6);
  color: var(--yellow);
  padding: .35rem 1rem;
  border-radius: 30px;
  font-size: .88rem;
  font-weight: 500;
}

/* ---------- Contact ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: clamp(2rem, 6vw, 5rem);
  align-items: start;
}
.contact-info > p { color: var(--grey); margin-bottom: 1.8rem; }
.contact-list li {
  display: grid;
  padding: .8rem 0;
  border-bottom: 1px solid #ececea;
  font-size: .95rem;
}
.contact-list strong { font-size: .78rem; text-transform: uppercase; letter-spacing: .12em; color: var(--grey); }
.contact-list a:hover { color: var(--yellow-dark); }
.contact-form {
  background: var(--light);
  border-radius: var(--radius);
  padding: 2.4rem;
  display: grid;
  gap: 1.2rem;
}
.contact-form label { display: grid; gap: .4rem; font-size: .88rem; font-weight: 600; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.2rem; }
.contact-form input, .contact-form textarea {
  font-family: inherit;
  font-size: .95rem;
  padding: .75rem .9rem;
  border: 1px solid #ddddd8;
  border-radius: var(--radius);
  background: var(--white);
  resize: vertical;
}
.contact-form input:focus, .contact-form textarea:focus {
  outline: 2px solid var(--yellow);
  border-color: transparent;
}
.form-success { color: #1a7d36; font-weight: 600; }

/* ---------- Footer ---------- */
.site-footer { background: var(--black); color: #c9c9cf; font-size: .92rem; }
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 2.5rem;
  padding: 70px 0 50px;
}
.logo-footer { margin-bottom: 1rem; }
.site-footer h4 { color: var(--white); margin-bottom: .9rem; font-size: 1rem; }
.site-footer ul li { padding: .22rem 0; }
.site-footer a:hover { color: var(--yellow); }
.site-footer .btn { margin-top: .6rem; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); padding: 1.2rem 0; font-size: .82rem; }
.footer-bottom .container { display: flex; justify-content: space-between; flex-wrap: wrap; gap: .5rem; }
.footer-bottom a { color: var(--yellow); }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .cta-split, .about-grid, .calc-grid, .contact-grid { grid-template-columns: 1fr; }
  .cta-box-inner { margin: 0; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .price-card-featured { transform: none; }
}

@media (max-width: 720px) {
  .nav-toggle { display: block; margin-left: auto; }
  .nav-cta { display: none; }
  .nav-cta-mobile { display: block; margin-top: .5rem; }
  .nav-links {
    position: absolute;
    top: 78px; left: 0; right: 0;
    background: var(--black);
    flex-direction: column;
    gap: 0;
    padding: 1rem 5%;
    display: none;
    border-bottom: 2px solid var(--yellow);
  }
  .nav-links.is-open { display: flex; }
  .nav-links li { padding: .55rem 0; }
  .hero { min-height: 78vh; }
  .hero-info { flex-direction: column; gap: 1rem; }
  .form-row { grid-template-columns: 1fr; }
  .section { padding: 70px 0; }
  .footer-grid { grid-template-columns: 1fr; }
}