/* ========================================
   KIWI FENCING CO — Design System
   Cloned palette from pskzabor.ru
   ======================================== */

/* --- Google Fonts --- */
/* (Removed @import, now loading via HTML <link> for better performance) */

/* --- CSS Custom Properties --- */
:root {
  --clr-accent: #FAC027;
  --clr-accent-hover: #E5AD1E;
  --clr-accent-light: #FFF3D0;
  --clr-dark: #3B3B3B;
  --clr-black: #1A1A1A;
  --clr-white: #FFFFFF;
  --clr-light: #F5F5F5;
  --clr-gray: #888888;
  --clr-border: #E0E0E0;
  --clr-success: #28A745;
  --clr-overlay: rgba(26, 26, 26, 0.7);

  --font-main: 'Montserrat', sans-serif;
  --max-width: 1200px;
  --header-h: 70px;
  --radius: 6px;
  --radius-lg: 12px;
  --shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.12);
  --transition: 0.3s ease;
}

/* --- Reset --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 20px); }
body {
  font-family: var(--font-main);
  font-size: 16px;
  line-height: 1.7;
  color: var(--clr-dark);
  background: var(--clr-white);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--clr-accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--clr-accent-hover); }
ul, ol { list-style: none; }
button { cursor: pointer; font-family: inherit; border: none; background: none; }

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 { font-weight: 700; line-height: 1.2; margin-bottom: 0.5em; }
h1 { font-size: clamp(2rem, 5vw, 3rem); color: var(--clr-accent); }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.2rem); color: var(--clr-dark); }
h3 { font-size: clamp(1.1rem, 2.5vw, 1.4rem); font-weight: 600; }
p { margin-bottom: 1em; }
.text-accent { color: var(--clr-accent); }
.text-small { font-size: 0.875rem; }
.text-center { text-align: center; }

/* --- Layout --- */
.container { width: 100%; max-width: var(--max-width); margin: 0 auto; padding: 0 20px; }
.section { padding: 80px 0; }
.section-alt { background: var(--clr-light); }
.section-dark { background: var(--clr-black); color: var(--clr-white); }
.section-dark h2 { color: var(--clr-accent); }
.section-dark p { color: #ccc; }

/* --- Grid --- */
.grid { display: grid; gap: 30px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 992px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

/* --- Flex helpers --- */
.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.gap-1 { gap: 10px; }
.gap-2 { gap: 20px; }
.gap-3 { gap: 30px; }

/* ===== HEADER ===== */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: var(--clr-white);
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
  transition: background var(--transition), box-shadow var(--transition);
}
.site-header.scrolled {
  background: var(--clr-black);
  box-shadow: 0 4px 20px rgba(0,0,0,0.2);
}
.site-header.scrolled .nav-link { color: var(--clr-white); }
.site-header.scrolled .logo-text { color: var(--clr-white); }
.site-header.scrolled .header-phone { color: var(--clr-white); }

.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: var(--header-h); max-width: var(--max-width); margin: 0 auto; padding: 0 20px;
}
.logo { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.logo-icon { width: 40px; height: 40px; }
.logo-text { font-size: 1.1rem; font-weight: 800; color: var(--clr-dark); letter-spacing: -0.5px; transition: color var(--transition); }
.logo-text span { color: var(--clr-accent); }

/* Top bar */
.top-bar {
  background: var(--clr-black); color: var(--clr-white); font-size: 0.8rem; padding: 6px 0;
}
.top-bar a { color: var(--clr-accent); }
.top-bar .container { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 10px; }

/* Navigation */
.main-nav { display: flex; align-items: center; gap: 8px; }
.nav-link {
  font-size: 0.85rem; font-weight: 600; color: var(--clr-dark);
  padding: 8px 12px; border-radius: var(--radius);
  transition: all var(--transition); position: relative; text-transform: uppercase; letter-spacing: 0.5px;
}
.nav-link:hover, .nav-link.active { color: var(--clr-accent); }

/* Dropdown */
.nav-item { position: relative; }
.nav-item .dropdown {
  position: absolute; top: 100%; left: 0; min-width: 250px;
  background: var(--clr-white); border-radius: var(--radius);
  box-shadow: var(--shadow-lg); padding: 10px 0;
  opacity: 0; visibility: hidden; transform: translateY(10px);
  transition: all var(--transition); z-index: 100;
}
.nav-item:hover .dropdown { opacity: 1; visibility: visible; transform: translateY(0); }
.dropdown a {
  display: block; padding: 10px 20px; color: var(--clr-dark);
  font-size: 0.85rem; font-weight: 500; transition: all var(--transition);
}
.dropdown a:hover { background: var(--clr-accent-light); color: var(--clr-accent); padding-left: 25px; }

/* Mobile menu */
.menu-toggle { display: none; width: 36px; height: 36px; flex-direction: column; justify-content: center; gap: 5px; padding: 4px; }
.menu-toggle span { display: block; height: 2px; background: var(--clr-accent); border-radius: 2px; transition: all var(--transition); }
.menu-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.menu-toggle.active span:nth-child(2) { opacity: 0; }
.menu-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

.header-phone { font-weight: 700; font-size: 1rem; color: var(--clr-dark); white-space: nowrap; transition: color var(--transition); }
.header-cta { margin-left: 15px; }

@media (max-width: 1100px) {
  .menu-toggle { display: flex; }
  .main-nav {
    position: fixed; top: var(--header-h); left: 0; right: 0; bottom: 0;
    background: var(--clr-white); flex-direction: column;
    align-items: stretch; padding: 30px;
    transform: translateX(100%); transition: transform var(--transition);
    overflow-y: auto; gap: 0;
  }
  .main-nav.open { transform: translateX(0); }
  .nav-link { padding: 14px 0; font-size: 1rem; border-bottom: 1px solid var(--clr-border); }
  .nav-item .dropdown {
    position: static; opacity: 1; visibility: visible; transform: none;
    box-shadow: none; padding: 0 0 0 20px; display: none;
  }
  .nav-item.open .dropdown { display: block; }
  .header-phone { display: none; }
  .header-cta { display: none; }
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 14px 32px; font-size: 0.9rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 1px;
  border-radius: var(--radius); transition: all var(--transition);
  cursor: pointer; border: 2px solid transparent;
}
.btn-primary {
  background: var(--clr-accent); color: var(--clr-black); border-color: var(--clr-accent);
}
.btn-primary:hover {
  background: var(--clr-accent-hover); border-color: var(--clr-accent-hover);
  transform: translateY(-2px); box-shadow: 0 6px 20px rgba(250, 192, 39, 0.4);
  color: var(--clr-black);
}
.btn-secondary {
  background: transparent; color: var(--clr-accent); border-color: var(--clr-accent);
}
.btn-secondary:hover {
  background: var(--clr-accent); color: var(--clr-black);
  transform: translateY(-2px);
}
.btn-dark {
  background: var(--clr-black); color: var(--clr-white); border-color: var(--clr-black);
}
.btn-dark:hover {
  background: var(--clr-dark); transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0,0,0,0.3); color: var(--clr-white);
}
.btn-sm { padding: 10px 24px; font-size: 0.8rem; }
.btn-lg { padding: 18px 40px; font-size: 1rem; }

/* ===== HERO ===== */
.hero {
  position: relative; min-height: 85vh; display: flex; align-items: center;
  background-size: cover; background-position: center; background-repeat: no-repeat;
  margin-top: var(--header-h);
}
.hero::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(26,26,26,0.85) 0%, rgba(26,26,26,0.5) 100%);
}
.hero-content { position: relative; z-index: 2; max-width: 650px; }
.hero-sub { font-size: 1rem; font-weight: 500; color: var(--clr-accent); text-transform: uppercase; letter-spacing: 2px; margin-bottom: 10px; }
.hero h1 { color: var(--clr-white); font-size: clamp(2.2rem, 5vw, 3.5rem); margin-bottom: 20px; }
.hero h1 span { color: var(--clr-accent); }
.hero-text { color: #ccc; font-size: 1.1rem; margin-bottom: 30px; }
.hero-btns { display: flex; gap: 15px; flex-wrap: wrap; }

/* Page hero (shorter) */
.page-hero {
  position: relative; padding: 120px 0 60px; margin-top: var(--header-h);
  background: var(--clr-black); overflow: hidden;
}
.page-hero::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(26,26,26,0.9) 0%, rgba(59,59,59,0.8) 100%);
}
.page-hero .container { position: relative; z-index: 2; }
.page-hero h1 { margin-bottom: 10px; }
.page-hero p { color: #aaa; font-size: 1.05rem; max-width: 600px; }

/* Breadcrumbs */
.breadcrumbs { display: flex; align-items: center; gap: 8px; font-size: 0.85rem; margin-bottom: 20px; }
.breadcrumbs a { color: var(--clr-accent); }
.breadcrumbs span { color: #888; }

/* ===== USP BAR ===== */
.usp-bar { background: var(--clr-light); padding: 30px 0; border-bottom: 3px solid var(--clr-accent); }
.usp-bar .grid { gap: 20px; }
.usp-item { display: flex; align-items: center; gap: 15px; padding: 10px; }
.usp-icon {
  width: 50px; height: 50px; min-width: 50px; display: flex; align-items: center; justify-content: center;
  background: var(--clr-accent); border-radius: 50%; color: var(--clr-black);
}
.usp-icon svg { width: 24px; height: 24px; }
.usp-text { font-size: 0.9rem; font-weight: 600; }

/* ===== CARDS ===== */
.card {
  background: var(--clr-white); border-radius: var(--radius-lg);
  box-shadow: var(--shadow); overflow: hidden;
  transition: all var(--transition);
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.card-img { position: relative; overflow: hidden; aspect-ratio: 16/10; }
.card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.card:hover .card-img img { transform: scale(1.05); }
.card-body { padding: 24px; }
.card-body h3 { margin-bottom: 10px; }
.card-body p { color: var(--clr-gray); font-size: 0.9rem; }
.card-price { font-size: 1.1rem; font-weight: 700; color: var(--clr-accent); margin: 10px 0; }
.card-link { display: inline-flex; align-items: center; gap: 6px; font-weight: 600; font-size: 0.9rem; color: var(--clr-accent); transition: gap var(--transition); }
.card-link:hover { gap: 12px; }

/* ===== STATS ===== */
.stats { padding: 60px 0; background: var(--clr-black); }
.stat-item { text-align: center; padding: 20px; }
.stat-number { font-size: 3rem; font-weight: 900; color: var(--clr-accent); line-height: 1; }
.stat-label { font-size: 0.9rem; color: #aaa; margin-top: 8px; }

/* ===== ICON BOX ===== */
.icon-box { text-align: center; padding: 30px 20px; }
.icon-box-icon {
  width: 80px; height: 80px; margin: 0 auto 20px;
  display: flex; align-items: center; justify-content: center;
  background: var(--clr-accent-light); border-radius: 50%;
  transition: all var(--transition);
}
.icon-box:hover .icon-box-icon { background: var(--clr-accent); transform: scale(1.1); }
.icon-box-icon svg { width: 36px; height: 36px; fill: var(--clr-accent); transition: fill var(--transition); }
.icon-box:hover .icon-box-icon svg { fill: var(--clr-black); }
.icon-box h3 { font-size: 1.1rem; margin-bottom: 8px; }
.icon-box p { font-size: 0.9rem; color: var(--clr-gray); }

/* ===== REASONS / WHY US ===== */
.reason-card {
  display: flex; gap: 20px; padding: 25px; background: var(--clr-white);
  border-radius: var(--radius-lg); box-shadow: var(--shadow);
  transition: all var(--transition);
}
.reason-card:hover { transform: translateX(5px); box-shadow: var(--shadow-lg); }
.reason-num {
  font-size: 2.5rem; font-weight: 900; color: var(--clr-accent);
  min-width: 50px; line-height: 1;
}
.reason-card h3 { margin-bottom: 6px; }
.reason-card p { font-size: 0.9rem; color: var(--clr-gray); margin: 0; }

/* ===== CTA BANNER ===== */
.cta-banner {
  background: linear-gradient(135deg, var(--clr-accent) 0%, #E5AD1E 100%);
  padding: 60px 0; text-align: center;
}
.cta-banner h2 { color: var(--clr-black); }
.cta-banner p { color: var(--clr-dark); font-size: 1.1rem; max-width: 600px; margin: 0 auto 25px; }

/* ===== PROCESS STEPS ===== */
.process { counter-reset: step; }
.process-step {
  display: flex; align-items: flex-start; gap: 25px;
  padding: 30px; position: relative;
}
.process-step::before {
  counter-increment: step;
  content: counter(step);
  min-width: 50px; height: 50px; display: flex; align-items: center; justify-content: center;
  background: var(--clr-accent); color: var(--clr-black); font-size: 1.3rem; font-weight: 800;
  border-radius: 50%;
}
.process-step h3 { margin-bottom: 6px; }
.process-step p { color: var(--clr-gray); font-size: 0.9rem; margin: 0; }

/* ===== FAQ ACCORDION ===== */
.faq-item { border-bottom: 1px solid var(--clr-border); }
.faq-question {
  width: 100%; display: flex; justify-content: space-between; align-items: center;
  padding: 22px 0; font-size: 1rem; font-weight: 600;
  color: var(--clr-dark); cursor: pointer; text-align: left;
  background: none; border: none; font-family: inherit;
  transition: color var(--transition);
}
.faq-question:hover { color: var(--clr-accent); }
.faq-question .faq-icon {
  min-width: 30px; height: 30px; display: flex; align-items: center; justify-content: center;
  background: var(--clr-light); border-radius: 50%; transition: all var(--transition);
  font-size: 1.2rem; font-weight: 300;
}
.faq-item.active .faq-question .faq-icon { background: var(--clr-accent); transform: rotate(45deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.4s ease; }
.faq-answer-inner { padding: 0 0 20px; color: var(--clr-gray); font-size: 0.95rem; line-height: 1.7; }

/* ===== FORMS ===== */
.form-group { margin-bottom: 20px; }
.form-label { display: block; font-weight: 600; font-size: 0.9rem; margin-bottom: 6px; color: var(--clr-dark); }
.form-input, .form-select, .form-textarea {
  width: 100%; padding: 14px 16px; font-size: 0.95rem; font-family: inherit;
  border: 2px solid var(--clr-border); border-radius: var(--radius);
  transition: border-color var(--transition); background: var(--clr-white);
  color: var(--clr-dark);
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none; border-color: var(--clr-accent);
}
.form-textarea { resize: vertical; min-height: 120px; }

/* Contact form card */
.contact-card {
  background: var(--clr-white); border-radius: var(--radius-lg);
  padding: 40px; box-shadow: var(--shadow-lg);
}

/* ===== CALCULATOR ===== */
.calc-card {
  background: var(--clr-white); border-radius: var(--radius-lg);
  padding: 40px; box-shadow: var(--shadow-lg); max-width: 800px; margin: 0 auto;
}
.calc-row { display: flex; gap: 20px; flex-wrap: wrap; margin-bottom: 20px; }
.calc-row > * { flex: 1; min-width: 200px; }
.calc-result {
  background: var(--clr-black); color: var(--clr-white); padding: 30px;
  border-radius: var(--radius-lg); text-align: center; margin-top: 30px;
}
.calc-result .price { font-size: 2.5rem; font-weight: 900; color: var(--clr-accent); }
.calc-result .note { font-size: 0.85rem; color: #aaa; margin-top: 10px; }
.range-display { display: flex; justify-content: space-between; font-size: 0.85rem; color: var(--clr-gray); margin-top: 4px; }

/* Range slider */
input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%; height: 8px;
  background: var(--clr-border); border-radius: 4px; outline: none;
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 22px; height: 22px;
  background: var(--clr-accent); border-radius: 50%; cursor: pointer;
  box-shadow: 0 2px 6px rgba(0,0,0,0.2);
}

/* ===== GALLERY ===== */
.gallery-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 15px;
}
.gallery-item {
  position: relative; overflow: hidden; border-radius: var(--radius);
  aspect-ratio: 4/3; cursor: pointer;
}
.gallery-item img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.gallery-item:hover img { transform: scale(1.08); }
.gallery-item::after {
  content: ''; position: absolute; inset: 0;
  background: var(--clr-overlay); opacity: 0; transition: opacity var(--transition);
}
.gallery-item:hover::after { opacity: 1; }
.gallery-overlay {
  position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
  color: var(--clr-white); font-size: 2rem; font-weight: 700; z-index: 2;
  opacity: 0; transition: opacity var(--transition);
}
.gallery-item:hover .gallery-overlay { opacity: 1; }

/* Lightbox */
.lightbox {
  position: fixed; inset: 0; z-index: 9999; background: rgba(0,0,0,0.95);
  display: none; align-items: center; justify-content: center;
}
.lightbox.active { display: flex; }
.lightbox img { max-width: 90vw; max-height: 85vh; border-radius: var(--radius); }
.lightbox-close {
  position: absolute; top: 20px; right: 20px;
  width: 50px; height: 50px; background: var(--clr-accent); border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem; color: var(--clr-black); cursor: pointer;
  transition: all var(--transition);
}
.lightbox-close:hover { transform: scale(1.1); }
.lightbox-nav {
  position: absolute; top: 50%; transform: translateY(-50%);
  width: 50px; height: 50px; background: rgba(255,255,255,0.15);
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  color: var(--clr-white); font-size: 1.5rem; cursor: pointer;
  transition: all var(--transition); border: none;
}
.lightbox-nav:hover { background: var(--clr-accent); color: var(--clr-black); }
.lightbox-prev { left: 20px; }
.lightbox-next { right: 20px; }

/* ===== TESTIMONIALS ===== */
.testimonial-card {
  background: var(--clr-white); padding: 30px; border-radius: var(--radius-lg);
  box-shadow: var(--shadow); position: relative;
}
.testimonial-card::before {
  content: '\201C'; position: absolute; top: 15px; left: 20px;
  font-size: 4rem; color: var(--clr-accent-light); line-height: 1; font-family: Georgia, serif;
}
.testimonial-text { font-style: italic; color: var(--clr-gray); margin-bottom: 15px; position: relative; z-index: 1; }
.testimonial-author { font-weight: 700; color: var(--clr-dark); }
.testimonial-location { font-size: 0.85rem; color: var(--clr-accent); }
.stars { color: var(--clr-accent); margin-bottom: 10px; letter-spacing: 2px; }

/* ===== FOOTER ===== */
.site-footer { background: var(--clr-black); color: #aaa; padding: 60px 0 0; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
.footer-brand p { font-size: 0.9rem; line-height: 1.7; margin-top: 15px; }
.footer-title { color: var(--clr-accent); font-size: 1rem; font-weight: 700; margin-bottom: 15px; text-transform: uppercase; letter-spacing: 1px; }
.footer-links a { display: block; color: #aaa; font-size: 0.9rem; padding: 6px 0; transition: all var(--transition); }
.footer-links a:hover { color: var(--clr-accent); padding-left: 5px; }
.footer-contact-item { display: flex; align-items: flex-start; gap: 10px; margin-bottom: 12px; font-size: 0.9rem; }
.footer-contact-item svg { width: 18px; height: 18px; fill: var(--clr-accent); min-width: 18px; margin-top: 3px; }
.footer-bottom {
  border-top: 1px solid #333; padding: 20px 0; text-align: center;
  font-size: 0.8rem; color: #666;
}
.social-links { display: flex; gap: 12px; margin-top: 15px; }
.social-link {
  width: 40px; height: 40px; border-radius: 50%; background: #333;
  display: flex; align-items: center; justify-content: center;
  transition: all var(--transition);
}
.social-link:hover { background: var(--clr-accent); }
.social-link svg { width: 18px; height: 18px; fill: var(--clr-white); }
.social-link:hover svg { fill: var(--clr-black); }

@media (max-width: 900px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
  .footer-grid { grid-template-columns: 1fr; }
}

/* ===== FENCE CATEGORY PAGE ===== */
.fence-types-nav {
  display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 30px; justify-content: center;
}
.fence-type-btn {
  padding: 10px 20px; border: 2px solid var(--clr-border); border-radius: 30px;
  font-size: 0.85rem; font-weight: 600; color: var(--clr-dark);
  transition: all var(--transition); cursor: pointer; background: var(--clr-white);
}
.fence-type-btn:hover, .fence-type-btn.active {
  border-color: var(--clr-accent); background: var(--clr-accent); color: var(--clr-black);
}

/* Feature list */
.feature-list { margin: 20px 0; }
.feature-list li {
  padding: 8px 0 8px 30px; position: relative; font-size: 0.95rem;
}
.feature-list li::before {
  content: '✓'; position: absolute; left: 0; color: var(--clr-accent);
  font-weight: 700; font-size: 1.1rem;
}

/* Pricing table */
.price-table { width: 100%; border-collapse: collapse; margin: 20px 0; }
.price-table th {
  background: var(--clr-black); color: var(--clr-white);
  padding: 14px 20px; text-align: left; font-size: 0.9rem; font-weight: 600;
}
.price-table td { padding: 14px 20px; border-bottom: 1px solid var(--clr-border); font-size: 0.9rem; }
.price-table tr:hover td { background: var(--clr-accent-light); }
.price-highlight { color: var(--clr-accent); font-weight: 700; font-size: 1.1rem; }

/* ===== ANIMATIONS ===== */
.reveal { opacity: 0; transform: translateY(30px); transition: all 0.6s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-left { opacity: 0; transform: translateX(-30px); transition: all 0.6s ease; }
.reveal-left.visible { opacity: 1; transform: translateX(0); }

/* ===== UTILITIES ===== */
.mb-1 { margin-bottom: 10px; }
.mb-2 { margin-bottom: 20px; }
.mb-3 { margin-bottom: 30px; }
.mb-4 { margin-bottom: 40px; }
.mt-2 { margin-top: 20px; }
.mt-3 { margin-top: 30px; }
.pt-0 { padding-top: 0; }
.pb-0 { padding-bottom: 0; }
.w-100 { width: 100%; }

/* Scroll to top */
.scroll-top {
  position: fixed; bottom: 30px; right: 30px; width: 50px; height: 50px;
  background: var(--clr-accent); border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem; color: var(--clr-black); cursor: pointer;
  opacity: 0; visibility: hidden; transform: translateY(20px);
  transition: all var(--transition); z-index: 999;
  box-shadow: 0 4px 15px rgba(250, 192, 39, 0.4); border: none;
}
.scroll-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }
.scroll-top:hover { transform: translateY(-3px); box-shadow: 0 6px 25px rgba(250, 192, 39, 0.6); }

/* Section heading */
.section-heading { text-align: center; max-width: 700px; margin: 0 auto 50px; }
.section-heading h2 { margin-bottom: 15px; }
.section-heading p { color: var(--clr-gray); }

/* Two column layout */
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: center; }
@media (max-width: 800px) { .two-col { grid-template-columns: 1fr; } }
.two-col img { border-radius: var(--radius-lg); box-shadow: var(--shadow); }

/* Badge */
.badge {
  display: inline-block; padding: 4px 12px; font-size: 0.75rem; font-weight: 700;
  border-radius: 20px; text-transform: uppercase; letter-spacing: 0.5px;
}
.badge-accent { background: var(--clr-accent); color: var(--clr-black); }
.badge-dark { background: var(--clr-dark); color: var(--clr-white); }

/* Map */
.map-container { width: 100%; height: 400px; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow); }
.map-container iframe { width: 100%; height: 100%; border: 0; }

/* ===== CALCULATOR WIZARD ===== */
.wizard-steps {
  display: flex;
  justify-content: space-between;
  margin-bottom: 30px;
  position: relative;
}
.wizard-steps::before {
  content: '';
  position: absolute;
  top: 15px;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--clr-border);
  z-index: 1;
}
.wizard-step {
  position: relative;
  z-index: 2;
  text-align: center;
  flex: 1;
}
.wizard-step-circle {
  width: 34px;
  height: 34px;
  background: var(--clr-border);
  color: var(--clr-gray);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 10px;
  font-weight: 700;
  border: 4px solid var(--clr-white);
  transition: all var(--transition);
}
.wizard-step.active .wizard-step-circle {
  background: var(--clr-accent);
  color: var(--clr-black);
}
.wizard-step.completed .wizard-step-circle {
  background: var(--clr-success);
  color: var(--clr-white);
}
.wizard-step-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--clr-gray);
}
.wizard-step.active .wizard-step-label {
  color: var(--clr-dark);
}
.wizard-panel {
  display: none;
}
.wizard-panel.active {
  display: block;
  animation: fadeIn 0.5s ease;
}
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}
.wizard-nav {
  display: flex;
  justify-content: space-between;
  margin-top: 30px;
  padding-top: 20px;
  border-top: 1px solid var(--clr-border);
}

/* Material Selector Cards */
.material-selector {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 15px;
  margin-bottom: 20px;
}
.material-card {
  border: 2px solid var(--clr-border);
  border-radius: var(--radius);
  padding: 15px;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition);
  background: var(--clr-white);
}
.material-card:hover {
  border-color: var(--clr-accent-hover);
  background: var(--clr-accent-light);
}
.material-card.selected {
  border-color: var(--clr-accent);
  background: var(--clr-accent-light);
  box-shadow: 0 4px 10px rgba(250, 192, 39, 0.2);
}
.material-icon {
  width: 60px;
  height: 60px;
  margin: 0 auto 10px;
  background-size: cover;
  background-position: center;
  border-radius: 50%;
  border: 2px solid var(--clr-light);
}
.material-name {
  font-weight: 600;
  font-size: 0.9rem;
}
.material-price-badge {
  font-size: 0.75rem;
  color: var(--clr-gray);
  margin-top: 5px;
}

/* Comparison */
.comparison-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 20px;
}
.comparison-table th, .comparison-table td {
  padding: 12px;
  border: 1px solid var(--clr-border);
  text-align: center;
  font-size: 0.9rem;
}
.comparison-table th {
  background: var(--clr-black);
  color: var(--clr-white);
}
.comparison-table td:first-child {
  text-align: left;
  font-weight: 600;
  background: var(--clr-light);
}
.comparison-best {
  background: var(--clr-accent-light);
  font-weight: 700;
}