/* ============================================
   POOL SERVICES WEBSITE — DESIGN SYSTEM
   ============================================ */

:root {
  /* Colors */
  --color-primary: #0D9488;
  --color-primary-dark: #0F766E;
  --color-primary-light: #5EEAD4;
  --color-base: #FAFAFA;
  --color-surface: #FFFFFF;
  --color-text: #1E293B;
  --color-text-muted: #64748B;
  --color-border: #E2E8F0;
  --color-accent: #0EA5E9;
  --color-accent-dark: #0284C7;

  /* Typography */
  --font-heading: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;

  /* Spacing & Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --shadow-card: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-hover: 0 4px 16px rgba(13,148,136,0.12);
  --shadow-hero: 0 8px 32px rgba(0,0,0,0.12);
  --max-width: 1200px;
  --header-height: 72px;
}

/* ============================================
   RESET & BASE
   ============================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-base);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3, h4 { font-family: var(--font-heading); font-weight: 700; line-height: 1.25; color: var(--color-text); }
h1 { font-size: clamp(1.8rem, 4vw, 3rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.25rem); }
h3 { font-size: clamp(1.15rem, 2vw, 1.4rem); }
p { margin-bottom: 1rem; color: var(--color-text-muted); }
a { text-decoration: none; color: var(--color-primary); transition: color 0.2s; }
a:hover { color: var(--color-primary-dark); }
img { max-width: 100%; display: block; }
ul { list-style: none; }

/* ============================================
   LAYOUT HELPERS
   ============================================ */
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 1.5rem; }
.section { padding: 4rem 0; }
.section-tight { padding: 3rem 0; }
.text-center { text-align: center; }
.mt-1 { margin-top: 0.5rem; } .mt-2 { margin-top: 1rem; } .mt-3 { margin-top: 1.5rem; }
.mb-1 { margin-bottom: 0.5rem; } .mb-2 { margin-bottom: 1rem; } .mb-3 { margin-bottom: 1.5rem; }
.eyebrow { font-size: 0.8rem; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--color-primary); margin-bottom: 0.5rem; }

/* ============================================
   BUTTONS
   ============================================ */
.btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.75rem 1.5rem; border-radius: var(--radius-md);
  font-family: var(--font-heading); font-weight: 600; font-size: 0.95rem;
  border: none; cursor: pointer; transition: all 0.25s ease;
  text-decoration: none; white-space: nowrap;
}
.btn-primary {
  background: var(--color-primary); color: #fff;
  box-shadow: 0 2px 8px rgba(13,148,136,0.25);
}
.btn-primary:hover { background: var(--color-primary-dark); color: #fff; transform: translateY(-1px); box-shadow: 0 4px 16px rgba(13,148,136,0.3); }
.btn-secondary {
  background: transparent; color: var(--color-text); border: 1.5px solid var(--color-border);
}
.btn-secondary:hover { border-color: var(--color-primary); color: var(--color-primary); }
.btn-whatsapp {
  background: #25D366; color: #fff; box-shadow: 0 2px 8px rgba(37,211,102,0.25);
}
.btn-whatsapp:hover { background: #1eb858; color: #fff; transform: translateY(-1px); }
.btn-sm { padding: 0.5rem 1rem; font-size: 0.85rem; }
.btn-lg { padding: 0.9rem 2rem; font-size: 1.05rem; }
.btn-block { width: 100%; justify-content: center; }

/* Ripple hover effect */
.btn-primary, .btn-whatsapp { position: relative; overflow: hidden; }
.btn-primary::after, .btn-whatsapp::after {
  content: ''; position: absolute; top: 50%; left: 50%;
  width: 0; height: 0; border-radius: 50%; background: rgba(255,255,255,0.3);
  transform: translate(-50%, -50%); transition: width 0.5s, height 0.5s;
}
.btn-primary:hover::after, .btn-whatsapp:hover::after { width: 300px; height: 300px; }

/* ============================================
   HEADER / NAV
   ============================================ */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  height: var(--header-height); display: flex; align-items: center;
  background: rgba(255,255,255,0.95); backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent; transition: all 0.3s ease;
}
.header.scrolled { border-bottom-color: var(--color-border); box-shadow: 0 1px 8px rgba(0,0,0,0.05); }
.header .container { display: flex; align-items: center; justify-content: space-between; width: 100%; }

.logo { display: flex; align-items: center; gap: 0.5rem; font-family: var(--font-heading); font-weight: 700; font-size: 1.2rem; color: var(--color-text); }
.logo-icon { width: 36px; height: 36px; border-radius: var(--radius-sm); background: var(--color-primary); display: flex; align-items: center; justify-content: center; color: #fff; font-size: 1.2rem; }

.nav-links { display: flex; align-items: center; gap: 2rem; }
.nav-links a { color: var(--color-text); font-weight: 500; font-size: 0.95rem; position: relative; }
.nav-links a:hover, .nav-links a.active { color: var(--color-primary); }
.nav-links a.active::after { content: ''; position: absolute; bottom: -4px; left: 0; right: 0; height: 2px; background: var(--color-primary); border-radius: 1px; }
.nav-cta { display: flex; align-items: center; gap: 0.75rem; }

.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; background: none; border: none; padding: 0; }
.hamburger span { width: 24px; height: 2px; background: var(--color-text); border-radius: 1px; transition: all 0.3s; }
.hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ============================================
   HERO
   ============================================ */
.hero {
  position: relative; min-height: 600px; display: flex; align-items: center;
  padding-top: var(--header-height);
  background: linear-gradient(135deg, #0F766E 0%, #0D9488 40%, #0EA5E9 100%);
  overflow: hidden;
}
.hero::before {
  content: ''; position: absolute; inset: 0;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='100' height='100' viewBox='0 0 100 100'%3E%3Cpath d='M0 50 Q25 30 50 50 T100 50' stroke='rgba(255,255,255,0.06)' fill='none' stroke-width='2'/%3E%3Cpath d='M0 60 Q25 40 50 60 T100 60' stroke='rgba(255,255,255,0.04)' fill='none' stroke-width='2'/%3E%3Cpath d='M0 70 Q25 50 50 70 T100 70' stroke='rgba(255,255,255,0.03)' fill='none' stroke-width='2'/%3E%3C/svg%3E");
  background-size: 200px;
}
.hero-content { position: relative; z-index: 2; max-width: 640px; padding: 3rem 0; }
.hero h1 { color: #fff; margin-bottom: 0.75rem; }
.hero .subhead { font-size: clamp(1.1rem, 2.5vw, 1.5rem); color: rgba(255,255,255,0.95); font-weight: 600; margin-bottom: 1rem; font-family: var(--font-heading); }
.hero .hero-body { font-size: 1.05rem; color: rgba(255,255,255,0.85); margin-bottom: 2rem; max-width: 540px; }
.hero-cta-group { display: flex; gap: 1rem; flex-wrap: wrap; margin-bottom: 2rem; }
.hero .btn-secondary { background: rgba(255,255,255,0.1); color: #fff; border-color: rgba(255,255,255,0.3); }
.hero .btn-secondary:hover { background: rgba(255,255,255,0.2); border-color: rgba(255,255,255,0.5); }

/* Service selector */
.service-selector { display: flex; gap: 0.75rem; flex-wrap: wrap; }
.service-chip {
  background: rgba(255,255,255,0.12); border: 1px solid rgba(255,255,255,0.25);
  color: #fff; padding: 0.5rem 1.1rem; border-radius: 999px; font-size: 0.85rem;
  font-weight: 500; cursor: pointer; transition: all 0.25s; backdrop-filter: blur(4px);
}
.service-chip:hover { background: rgba(255,255,255,0.22); border-color: rgba(255,255,255,0.45); }
.service-chip.selected { background: #fff; color: var(--color-primary); border-color: #fff; }

/* Hero placeholder image area */
.hero-image-placeholder {
  position: absolute; right: -2rem; top: 50%; transform: translateY(-50%);
  width: 45%; max-width: 500px; height: 400px;
  border-radius: var(--radius-lg); background: rgba(255,255,255,0.08);
  border: 2px dashed rgba(255,255,255,0.2); display: flex; align-items: center; justify-content: center;
  z-index: 1;
}
.hero-image-placeholder span { color: rgba(255,255,255,0.5); font-size: 0.85rem; text-align: center; max-width: 200px; }

/* ============================================
   TRUST INDICATORS
   ============================================ */
.trust-bar { background: var(--color-surface); border-bottom: 1px solid var(--color-border); }
.trust-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; padding: 2.5rem 0; }
.trust-item { text-align: center; padding: 0.5rem; border-radius: var(--radius-md); transition: all 0.25s; cursor: default; }
.trust-item:hover { background: rgba(13,148,136,0.04); transform: translateY(-2px); }
.trust-item .icon { width: 48px; height: 48px; margin: 0 auto 0.75rem; border-radius: 50%; background: rgba(13,148,136,0.1); display: flex; align-items: center; justify-content: center; font-size: 1.3rem; }
.trust-item h4 { font-size: 0.95rem; margin-bottom: 0.25rem; }
.trust-item p { font-size: 0.82rem; margin-bottom: 0; }

/* ============================================
   SERVICE CARDS
   ============================================ */
.cards-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.service-card {
  background: var(--color-surface); border-radius: var(--radius-lg); padding: 2rem;
  border: 1px solid var(--color-border); transition: all 0.3s ease; position: relative; overflow: hidden;
}
.service-card::before { content: ''; position: absolute; bottom: 0; left: 0; right: 0; height: 3px; background: var(--color-primary); transform: scaleX(0); transform-origin: left; transition: transform 0.3s; }
.service-card:hover { box-shadow: var(--shadow-hover); border-color: var(--color-primary-light); transform: translateY(-4px); }
.service-card:hover::before { transform: scaleX(1); }
.service-card .card-icon { width: 56px; height: 56px; border-radius: var(--radius-md); background: linear-gradient(135deg, var(--color-primary), var(--color-accent)); display: flex; align-items: center; justify-content: center; font-size: 1.5rem; margin-bottom: 1.25rem; }
.service-card h3 { margin-bottom: 0.5rem; }
.service-card p { font-size: 0.92rem; margin-bottom: 1rem; }
.service-card .card-link { font-weight: 600; font-size: 0.9rem; display: inline-flex; align-items: center; gap: 0.3rem; }
.service-card .card-link::after { content: '→'; transition: transform 0.2s; }
.service-card .card-link:hover::after { transform: translateX(3px); }

/* ============================================
   ABOUT SUMMARY
   ============================================ */
.about-summary { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: center; }
.about-image-placeholder {
  border-radius: var(--radius-lg); min-height: 320px; background: linear-gradient(135deg, #E2E8F0, #CBD5E1);
  border: 2px dashed var(--color-border); display: flex; align-items: center; justify-content: center; color: var(--color-text-muted); font-size: 0.85rem; text-align: center; padding: 1rem;
}

/* ============================================
   WHY CHOOSE US
   ============================================ */
.why-list { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; max-width: 700px; margin: 0 auto; }
.why-item { display: flex; align-items: flex-start; gap: 0.75rem; padding: 0.75rem 1rem; border-radius: var(--radius-md); background: var(--color-surface); border: 1px solid var(--color-border); }
.why-item .check { width: 24px; height: 24px; border-radius: 50%; background: var(--color-primary); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 0.75rem; flex-shrink: 0; margin-top: 2px; }
.why-item span { font-weight: 500; font-size: 0.95rem; color: var(--color-text); }

/* ============================================
   INDUSTRIES GRID
   ============================================ */
.industries-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; }
.industry-item { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-md); padding: 1.5rem 1rem; text-align: center; transition: all 0.25s; }
.industry-item:hover { border-color: var(--color-primary-light); transform: translateY(-2px); box-shadow: var(--shadow-card); }
.industry-item .icon { font-size: 1.8rem; margin-bottom: 0.5rem; }
.industry-item h4 { font-size: 0.85rem; font-weight: 600; }

/* ============================================
   PRODUCT CARDS
   ============================================ */
.product-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }
.product-card {
  background: var(--color-surface); border-radius: var(--radius-lg); overflow: hidden;
  border: 1px solid var(--color-border); transition: all 0.3s ease; display: flex; flex-direction: column;
}
.product-card:hover { box-shadow: var(--shadow-hover); border-color: var(--color-primary-light); transform: translateY(-3px); }
.product-image-placeholder {
  aspect-ratio: 4/3; background: linear-gradient(135deg, #E2E8F0, #F1F5F9);
  border-bottom: 1px solid var(--color-border); display: flex; align-items: center; justify-content: center; color: var(--color-text-muted); font-size: 0.8rem; text-align: center; padding: 1rem;
}
.product-info { padding: 1.25rem; display: flex; flex-direction: column; flex: 1; }
.product-badge { display: inline-block; font-size: 0.7rem; font-weight: 600; padding: 0.2rem 0.6rem; border-radius: 999px; background: rgba(13,148,136,0.1); color: var(--color-primary); margin-bottom: 0.5rem; width: fit-content; }
.product-badge.moq { background: rgba(14,165,233,0.1); color: var(--color-accent-dark); }
.product-card h3 { font-size: 1rem; margin-bottom: 0.35rem; }
.product-card .desc { font-size: 0.82rem; margin-bottom: 0.75rem; flex: 1; }
.product-actions { display: flex; gap: 0.5rem; margin-top: auto; }

/* ============================================
   FAQ ACCORDION
   ============================================ */
.faq-list { max-width: 760px; margin: 0 auto; }
.faq-item { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-md); margin-bottom: 0.75rem; overflow: hidden; transition: box-shadow 0.2s; }
.faq-item:hover { box-shadow: var(--shadow-card); }
.faq-question { padding: 1.25rem 1.5rem; cursor: pointer; display: flex; justify-content: space-between; align-items: center; font-weight: 600; font-size: 0.95rem; color: var(--color-text); user-select: none; }
.faq-question .arrow { transition: transform 0.3s; font-size: 1.2rem; color: var(--color-primary); flex-shrink: 0; margin-left: 1rem; }
.faq-item.open .faq-question .arrow { transform: rotate(180deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.3s ease, padding 0.3s ease; padding: 0 1.5rem; }
.faq-item.open .faq-answer { max-height: 300px; padding-bottom: 1.25rem; }
.faq-answer p { font-size: 0.9rem; margin-bottom: 0; }

/* ============================================
   CONTACT CTA SECTION
   ============================================ */
.cta-section { background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary), var(--color-accent)); position: relative; overflow: hidden; }
.cta-section::before {
  content: ''; position: absolute; inset: 0;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='100' height='100'%3E%3Cpath d='M0 50 Q25 30 50 50 T100 50' stroke='rgba(255,255,255,0.05)' fill='none' stroke-width='2'/%3E%3C/svg%3E");
  background-size: 200px;
}
.cta-section .container { position: relative; z-index: 2; text-align: center; }
.cta-section h2 { color: #fff; margin-bottom: 0.5rem; }
.cta-section p { color: rgba(255,255,255,0.85); font-size: 1.05rem; margin-bottom: 1.5rem; }
.cta-section .btn-secondary { background: rgba(255,255,255,0.15); color: #fff; border-color: rgba(255,255,255,0.4); }
.cta-section .contact-info { margin-top: 1.5rem; color: rgba(255,255,255,0.8); font-size: 0.9rem; }

/* ============================================
   FORM
   ============================================ */
.form-card { background: var(--color-surface); border-radius: var(--radius-lg); padding: 2.5rem; box-shadow: var(--shadow-card); border: 1px solid var(--color-border); }
.form-group { margin-bottom: 1.25rem; }
.form-group label { display: block; font-weight: 500; font-size: 0.88rem; margin-bottom: 0.4rem; color: var(--color-text); }
.form-group label .req { color: #ef4444; }
.form-group input, .form-group select, .form-group textarea {
  width: 100%; padding: 0.75rem 1rem; border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm); font-family: var(--font-body); font-size: 0.95rem;
  color: var(--color-text); background: var(--color-base); transition: border-color 0.2s;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { outline: none; border-color: var(--color-primary); box-shadow: 0 0 0 3px rgba(13,148,136,0.1); }
.form-group textarea { resize: vertical; min-height: 100px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-note { font-size: 0.82rem; color: var(--color-text-muted); margin-top: 0.5rem; }
.form-success { display: none; padding: 1rem 1.25rem; border-radius: var(--radius-md); background: rgba(13,148,136,0.1); border: 1px solid var(--color-primary-light); color: var(--color-primary-dark); font-size: 0.9rem; margin-bottom: 1.5rem; }
.form-success.show { display: block; }

/* ============================================
   FOOTER
   ============================================ */
.footer { background: #1E293B; color: #CBD5E1; padding: 3rem 0 1.5rem; }
.footer .container { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 2.5rem; }
.footer h4 { color: #fff; font-size: 0.9rem; margin-bottom: 1rem; font-weight: 600; }
.footer a { color: #94A3B8; font-size: 0.88rem; display: block; margin-bottom: 0.4rem; }
.footer a:hover { color: var(--color-primary-light); }
.footer .footer-brand p { color: #64748B; font-size: 0.85rem; margin-top: 0.75rem; max-width: 300px; }
.footer-bottom { border-top: 1px solid #334155; padding-top: 1.5rem; margin-top: 2rem; text-align: center; font-size: 0.82rem; color: #64748B; }

/* ============================================
   MOBILE STICKY CTA BAR
   ============================================ */
.mobile-cta-bar {
  display: none; position: fixed; bottom: 0; left: 0; right: 0; z-index: 999;
  background: rgba(255,255,255,0.98); backdrop-filter: blur(12px);
  border-top: 1px solid var(--color-border); padding: 0.75rem 1rem;
  box-shadow: 0 -2px 12px rgba(0,0,0,0.08); transition: transform 0.3s ease;
}
.mobile-cta-bar.hidden { transform: translateY(100%); }
.mobile-cta-bar .bar-content { display: flex; gap: 0.75rem; }
.mobile-cta-bar .btn { flex: 1; justify-content: center; }

/* ============================================
   WAVE DIVIDER
   ============================================ */
.wave-divider { width: 100%; height: 60px; display: block; }
.wave-divider svg { width: 100%; height: 100%; display: block; }

/* ============================================
   PAGE HERO (sub-pages)
   ============================================ */
.page-hero { padding: calc(var(--header-height) + 2rem) 0 3rem; background: linear-gradient(135deg, #0F766E 0%, #0D9488 60%, #0EA5E9 100%); text-align: center; }
.page-hero h1 { color: #fff; margin-bottom: 0.5rem; }
.page-hero p { color: rgba(255,255,255,0.85); font-size: 1.1rem; max-width: 580px; margin: 0 auto; }

/* ============================================
   SECTION HEADER
   ============================================ */
.section-header { text-align: center; margin-bottom: 2.5rem; }
.section-header h2 { margin-bottom: 0.5rem; }
.section-header p { font-size: 1.05rem; max-width: 600px; margin: 0 auto; }

/* ============================================
   SERVICE DETAIL (Services page)
   ============================================ */
.service-detail { padding: 3rem 0; border-bottom: 1px solid var(--color-border); }
.service-detail:last-child { border-bottom: none; }
.service-detail .detail-content { display: grid; grid-template-columns: 1fr 1fr; gap: 2.5rem; align-items: start; }
.service-detail .detail-image-placeholder { border-radius: var(--radius-lg); min-height: 260px; background: linear-gradient(135deg, #E2E8F0, #F1F5F9); border: 2px dashed var(--color-border); display: flex; align-items: center; justify-content: center; color: var(--color-text-muted); font-size: 0.82rem; text-align: center; padding: 1rem; }
.detail-list { display: grid; grid-template-columns: 1fr 1fr; gap: 0.5rem; margin: 1rem 0; }
.detail-list li { display: flex; align-items: center; gap: 0.5rem; font-size: 0.9rem; color: var(--color-text); }
.detail-list li::before { content: '✓'; color: var(--color-primary); font-weight: 700; }

/* ============================================
   SHOP FILTER
   ============================================ */
.shop-filter { display: flex; gap: 0.75rem; margin-bottom: 2rem; flex-wrap: wrap; }
.filter-btn { padding: 0.5rem 1.25rem; border-radius: 999px; border: 1.5px solid var(--color-border); background: var(--color-surface); font-weight: 500; font-size: 0.88rem; cursor: pointer; transition: all 0.2s; }
.filter-btn:hover { border-color: var(--color-primary); }
.filter-btn.active { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }

/* Quote list indicator */
.quote-indicator { position: fixed; bottom: 1.5rem; right: 1.5rem; z-index: 998; display: none; }
.quote-indicator.show { display: block; }
.quote-indicator .btn { box-shadow: var(--shadow-hero); }
.quote-count { background: #ef4444; color: #fff; font-size: 0.7rem; font-weight: 700; width: 20px; height: 20px; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center; }

/* Quote review modal */
.modal-overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.5); z-index: 2000; align-items: center; justify-content: center; padding: 1rem; }
.modal-overlay.show { display: flex; }
.modal { background: var(--color-surface); border-radius: var(--radius-lg); max-width: 600px; width: 100%; max-height: 85vh; overflow-y: auto; padding: 2rem; }
.modal h3 { margin-bottom: 1rem; }
.modal .quote-items { margin-bottom: 1.5rem; }
.modal .quote-item { display: flex; justify-content: space-between; align-items: center; padding: 0.75rem 0; border-bottom: 1px solid var(--color-border); }
.modal .quote-item:last-child { border-bottom: none; }
.modal .quote-item .item-name { font-weight: 500; font-size: 0.9rem; }
.modal .quote-item .item-qty { font-size: 0.85rem; color: var(--color-text-muted); }
.modal .quote-item .remove-btn { background: none; border: none; color: #ef4444; cursor: pointer; font-size: 0.85rem; padding: 0.25rem 0.5rem; }
.modal-close { float: right; background: none; border: none; font-size: 1.5rem; cursor: pointer; color: var(--color-text-muted); line-height: 1; }
.modal-close:hover { color: var(--color-text); }

/* ============================================
   PLACEHOLDER LABELS
   ============================================ */
.placeholder-tag {
  display: inline-block; background: #FEF3C7; border: 1px solid #FCD34D;
  color: #92400E; font-size: 0.75rem; font-weight: 500; padding: 0.3rem 0.7rem;
  border-radius: var(--radius-sm); margin: 0.5rem 0;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 968px) {
  .hero-image-placeholder { display: none; }
  .trust-grid { grid-template-columns: repeat(2, 1fr); gap: 1rem; }
  .cards-grid { grid-template-columns: 1fr; max-width: 480px; margin: 0 auto; }
  .about-summary { grid-template-columns: 1fr; gap: 1.5rem; }
  .industries-grid { grid-template-columns: repeat(2, 1fr); }
  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .footer .container { grid-template-columns: 1fr 1fr; gap: 2rem; }
  .service-detail .detail-content { grid-template-columns: 1fr; }
  .nav-links { display: none; position: fixed; top: var(--header-height); left: 0; right: 0; background: var(--color-surface); flex-direction: column; padding: 1.5rem; gap: 1rem; box-shadow: 0 4px 16px rgba(0,0,0,0.1); border-bottom: 1px solid var(--color-border); }
  .nav-links.open { display: flex; }
  .hamburger { display: flex; }
  .nav-cta .btn-primary { display: none; }
  .mobile-cta-bar { display: block; }
  body { padding-bottom: 60px; }
  .why-list { grid-template-columns: 1fr; }
}

@media (max-width: 580px) {
  .container { padding: 0 1rem; }
  .section { padding: 2.5rem 0; }
  .hero { min-height: 500px; }
  .hero-cta-group { flex-direction: column; }
  .hero-cta-group .btn { width: 100%; justify-content: center; }
  .product-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer .container { grid-template-columns: 1fr; }
  .detail-list { grid-template-columns: 1fr; }
  .form-card { padding: 1.5rem; }
  .modal { padding: 1.5rem; }
}