/* ==========================================================================
   RISE TECHNICAL SERVICES — Design tokens
   Palette: "Blueprint" — steel, concrete & copper, referencing technical
   drawings / spec sheets to match a maintenance & renovation identity.
   ========================================================================== */
:root{
  --c-dark:      #171D21;   /* charcoal / near-black sections */
  --c-primary:   #1C3B4D;   /* deep steel blue - brand */
  --c-primary-2: #274F66;   /* lighter steel blue */
  --c-accent:    #C1652E;   /* copper accent - CTAs */
  --c-accent-2:  #E2984F;   /* warm copper highlight */
  --c-bg:        #FFFFFF;
  --c-bg-alt:    #F3F5F6;   /* cool concrete gray */
  --c-text:      #24292C;
  --c-text-muted:#5C6770;
  --c-border:    #E1E5E8;
  --radius-sm: 4px;
  --radius-md: 8px;
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;
}

*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  font-family: var(--font-body);
  color: var(--c-text);
  background: var(--c-bg);
  overflow-x:hidden;
}
h1,h2,h3,h4,h5,.font-display{ font-family: var(--font-display); font-weight:600; color:var(--c-dark); letter-spacing:-0.01em; }
.mono{ font-family: var(--font-mono); letter-spacing:.08em; }
a{ text-decoration:none; color:inherit; }
img{ max-width:100%; display:block; }
.section{ padding:88px 0; }
.section-alt{ background: var(--c-bg-alt); }
.section-dark{ background: var(--c-dark); color:#D9DEE1; }
.section-dark h2, .section-dark h3{ color:#fff; }
@media (max-width: 767px){ .section{ padding:56px 0; } }

.eyebrow{
  display:inline-block; font-size:.78rem; font-weight:600; color: var(--c-accent);
  text-transform:uppercase; margin-bottom:12px;
}
.section-head{ max-width:680px; margin-bottom:48px; }
.section-head.mx-auto{ text-align:center; }
.section-head h2{ font-size:2.1rem; margin-bottom:14px; }
.section-head p{ color: var(--c-text-muted); font-size:1.05rem; }

/* Buttons */
.btn{ border-radius: var(--radius-sm); font-weight:600; padding:.7rem 1.6rem; font-size:.95rem; transition:.25s ease; }
.btn-accent{ background: var(--c-accent); border-color: var(--c-accent); color:#fff; }
.btn-accent:hover{ background:#a5541f; border-color:#a5541f; color:#fff; transform:translateY(-2px); }
.btn-outline-light{ border-width:2px; }
.btn-outline-light:hover{ background:#fff; color:var(--c-dark); transform:translateY(-2px); }
.btn-quote{ background: var(--c-accent); color:#fff !important; padding:.55rem 1.3rem; border-radius:var(--radius-sm); font-weight:600; font-size:.9rem; }
.btn-quote:hover{ background:#a5541f; }
.btn-outline-primary-custom{ border:2px solid var(--c-primary); color:var(--c-primary); border-radius:var(--radius-sm); font-weight:600; padding:.65rem 1.4rem; display:inline-block; }
.btn-outline-primary-custom:hover{ background:var(--c-primary); color:#fff; }

/* ==========================================================================
   TOPBAR + NAVBAR
   ========================================================================== */
.topbar{ background: var(--c-dark); color:#B9C2C7; font-size:.82rem; }
.topbar-inner{ display:flex; justify-content:space-between; align-items:center; padding:8px 0; }
.topbar-left a{ color:#B9C2C7; margin-right:24px; }
.topbar-left a:hover{ color:var(--c-accent-2); }
.topbar-right i{ margin-right:4px; }

.site-navbar{ background:#fff; padding:14px 0; border-bottom:1px solid var(--c-border); z-index:1030; }
.site-navbar.sticky-top{ top:0; }
.navbar-brand{ display:flex; flex-direction:column; line-height:1; }
.brand-mark{ font-family:var(--font-display); font-weight:700; font-size:1.5rem; color:var(--c-primary); letter-spacing:.02em; }
.brand-sub{ font-family:var(--font-mono); font-size:.6rem; letter-spacing:.2em; color:var(--c-accent); }
.site-navbar .nav-link{ font-weight:500; color: var(--c-text); margin:0 10px; padding:8px 2px !important; position:relative; }
.site-navbar .nav-link:hover, .site-navbar .nav-link:focus{ color: var(--c-accent); }
.site-navbar .dropdown-menu{ border:1px solid var(--c-border); border-radius:var(--radius-sm); box-shadow:0 12px 30px rgba(0,0,0,.08); }
.site-navbar .dropdown-item{ padding:.55rem 1.1rem; font-size:.92rem; }
.site-navbar .dropdown-item:hover{ background: var(--c-bg-alt); color:var(--c-accent); }
.site-navbar .dropdown-item i{ width:20px; color:var(--c-accent); }

/* ==========================================================================
   HERO
   ========================================================================== */
.hero{ position:relative; background-size:cover; background-position:center; color:#fff; }
.hero-home{ padding:170px 0 110px; }
.hero-inner{ padding:150px 0 60px; }
.hero-grid{
  position:absolute; inset:0;
  background-image: linear-gradient(rgba(255,255,255,.06) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.06) 1px, transparent 1px);
  background-size:42px 42px; pointer-events:none;
}
.hero-content{ position:relative; max-width:760px; }
.hero-eyebrow{ color: var(--c-accent-2); font-size:.8rem; font-weight:600; margin-bottom:16px; }
.hero-heading{ color:#fff; font-size:3rem; margin-bottom:20px; }
.hero-desc{ font-size:1.15rem; color:#DCE2E5; max-width:620px; margin-bottom:32px; }
.hero-buttons{ display:flex; gap:16px; flex-wrap:wrap; margin-bottom:40px; }
.hero-quick-contact{ display:flex; gap:28px; flex-wrap:wrap; font-size:.92rem; border-top:1px solid rgba(255,255,255,.2); padding-top:20px; }
.hero-quick-contact a{ color:#fff; }
.hero-quick-contact a:hover{ color: var(--c-accent-2); }
.hero-inner .hero-heading{ font-size:2.3rem; }
.breadcrumb{ margin-bottom:0; }
.breadcrumb-item, .breadcrumb-item a{ color:#DCE2E5; }
.breadcrumb-item.active{ color: var(--c-accent-2); }
@media (max-width: 767px){
  .hero-home{ padding:140px 0 70px; }
  .hero-heading{ font-size:2.1rem; }
  .hero-quick-contact{ flex-direction:column; gap:10px; }
}

/* ==========================================================================
   STATS / TRUST STRIP
   ========================================================================== */
.stats-strip{ background: var(--c-primary); color:#fff; padding:36px 0; }
.stat-item{ text-align:center; padding:10px; border-left:1px solid rgba(255,255,255,.15); }
.stat-item:first-child{ border-left:none; }
.stat-icon{ font-size:1.6rem; color: var(--c-accent-2); margin-bottom:10px; }
.stat-label{ font-size:.92rem; color:#CBD6DC; }
@media (max-width: 767px){ .stat-item{ border-left:none; border-top:1px solid rgba(255,255,255,.15); padding:18px 0; } .stat-item:first-child{ border-top:none; } }

/* ==========================================================================
   ABOUT INTRO
   ========================================================================== */
.about-image-wrap{ position:relative; }
.about-image-wrap img{ border-radius: var(--radius-md); }
.about-image-badge{
  position:absolute; bottom:-24px; right:-24px; background:#fff; border:1px solid var(--c-border);
  border-radius: var(--radius-md); padding:18px 22px; box-shadow:0 16px 40px rgba(0,0,0,.1);
  font-family:var(--font-mono);
}
.about-image-badge strong{ display:block; font-family:var(--font-display); font-size:1.6rem; color:var(--c-accent); }
@media (max-width: 991px){ .about-image-badge{ right:10px; } }
.about-list{ list-style:none; padding:0; margin:24px 0; }
.about-list li{ padding-left:30px; position:relative; margin-bottom:12px; color:var(--c-text-muted); }
.about-list li::before{ content:"\F26E"; font-family:"bootstrap-icons"; position:absolute; left:0; top:1px; color: var(--c-accent); font-weight:700; }

/* ==========================================================================
   SERVICE CARDS (corner-bracket blueprint signature)
   ========================================================================== */
.service-card{
  background:#fff; border:1px solid var(--c-border); border-radius: var(--radius-md);
  overflow:hidden; height:100%; transition:.3s ease; position:relative;
}
.service-card:hover{ transform:translateY(-6px); box-shadow:0 22px 44px rgba(23,29,33,.12); border-color: var(--c-accent); }
.service-card-img{ position:relative; height:220px; overflow:hidden; }
.service-card-img img{ width:100%; height:100%; object-fit:cover; transition:transform .5s ease; }
.service-card:hover .service-card-img img{ transform:scale(1.08); }
.service-card-icon{
  position:absolute; bottom:-26px; left:24px; width:52px; height:52px; background: var(--c-accent);
  border-radius: var(--radius-sm); display:flex; align-items:center; justify-content:center; color:#fff; font-size:1.3rem;
  box-shadow:0 10px 20px rgba(193,101,46,.35);
}
.service-card-body{ padding:40px 24px 24px; }
.service-card-body h3{ font-size:1.2rem; margin-bottom:10px; }
.service-card-body p{ color: var(--c-text-muted); font-size:.94rem; margin-bottom:16px; }
.service-card-link{ color: var(--c-primary); font-weight:600; font-size:.9rem; }
.service-card-link i{ transition:.25s; margin-left:4px; }
.service-card:hover .service-card-link i{ transform:translateX(4px); }
/* corner brackets */
.corner-bracket{ position:absolute; width:18px; height:18px; border-color: var(--c-accent); opacity:0; transition:.3s; }
.service-card:hover .corner-bracket{ opacity:1; }
.corner-bracket.tl{ top:8px; left:8px; border-top:2px solid; border-left:2px solid; }
.corner-bracket.br{ bottom:8px; right:8px; border-bottom:2px solid; border-right:2px solid; }

/* ==========================================================================
   DETAILED SERVICE ROWS (alternating)
   ========================================================================== */
.detail-row{ padding:56px 0; border-bottom:1px solid var(--c-border); }
.detail-row:last-child{ border-bottom:none; }
.detail-row img{ border-radius: var(--radius-md); width:100%; object-fit:cover; height:380px; }
.detail-index{ font-family:var(--font-mono); color: var(--c-accent); font-size:.85rem; margin-bottom:10px; display:block; }
.detail-points{ list-style:none; padding:0; margin:20px 0; display:grid; grid-template-columns:1fr 1fr; gap:10px 20px; }
.detail-points li{ padding-left:26px; position:relative; font-size:.94rem; color: var(--c-text-muted); }
.detail-points li::before{ content:"\F633"; font-family:"bootstrap-icons"; position:absolute; left:0; color: var(--c-accent); }
@media (max-width: 575px){ .detail-points{ grid-template-columns:1fr; } }

/* ==========================================================================
   WHY CHOOSE US
   ========================================================================== */
.why-card{ background:#fff; border:1px solid var(--c-border); border-radius: var(--radius-md); padding:32px 26px; height:100%; transition:.3s; }
.why-card:hover{ border-color: var(--c-accent); box-shadow:0 16px 34px rgba(23,29,33,.08); transform:translateY(-4px); }
.why-icon{ width:52px; height:52px; border-radius: var(--radius-sm); background: var(--c-bg-alt); color: var(--c-accent); display:flex; align-items:center; justify-content:center; font-size:1.4rem; margin-bottom:18px; }
.why-card h3{ font-size:1.1rem; margin-bottom:8px; }
.why-card p{ color: var(--c-text-muted); font-size:.92rem; margin-bottom:0; }

/* ==========================================================================
   PROCESS / TIMELINE
   ========================================================================== */
.process-step{ position:relative; padding:10px 10px 10px 0; }
.process-num{ font-family:var(--font-mono); font-size:2.6rem; color: rgba(193,101,46,.28); font-weight:600; line-height:1; margin-bottom:12px; }
.process-step h3{ font-size:1.1rem; margin-bottom:8px; }
.process-step p{ color: var(--c-text-muted); font-size:.92rem; }
.process-line{ position:absolute; top:24px; left:100%; width:100%; height:1px; background: var(--c-border); }
@media (max-width: 991px){ .process-line{ display:none; } }

/* ==========================================================================
   PROJECT CARDS + FILTER
   ========================================================================== */
.filter-bar{ display:flex; gap:10px; flex-wrap:wrap; margin-bottom:40px; }
.filter-btn{
  font-family:var(--font-mono); font-size:.78rem; letter-spacing:.05em; text-transform:uppercase;
  padding:9px 18px; border:1px solid var(--c-border); border-radius: var(--radius-sm); background:#fff; color: var(--c-text-muted); cursor:pointer; transition:.2s;
}
.filter-btn:hover{ border-color: var(--c-accent); color: var(--c-accent); }
.filter-btn.active{ background: var(--c-primary); border-color: var(--c-primary); color:#fff; }

.project-card{ background:#fff; border:1px solid var(--c-border); border-radius: var(--radius-md); overflow:hidden; transition:.3s; height:100%; }
.project-card:hover{ transform:translateY(-6px); box-shadow:0 22px 44px rgba(23,29,33,.12); }
.project-card-img{ height:230px; overflow:hidden; position:relative; }
.project-card-img img{ width:100%; height:100%; object-fit:cover; transition:.5s; }
.project-card:hover .project-card-img img{ transform:scale(1.08); }
.project-tag{ position:absolute; top:14px; left:14px; background: var(--c-accent); color:#fff; font-family:var(--font-mono); font-size:.7rem; letter-spacing:.06em; text-transform:uppercase; padding:5px 12px; border-radius:3px; }
.project-card-body{ padding:22px; }
.project-card-body h3{ font-size:1.05rem; margin-bottom:10px; }
.project-card-body p{ color: var(--c-text-muted); font-size:.9rem; margin-bottom:14px; }
.project-view{ color: var(--c-primary); font-weight:600; font-size:.88rem; }

/* ==========================================================================
   TESTIMONIALS
   ========================================================================== */
.testimonial-card{ background:#fff; border:1px solid var(--c-border); border-radius: var(--radius-md); padding:32px; height:100%; }
.testimonial-stars{ color: var(--c-accent-2); margin-bottom:16px; font-size:.95rem; }
.testimonial-text{ color: var(--c-text-muted); font-style:italic; margin-bottom:22px; }
.testimonial-person{ display:flex; align-items:center; gap:12px; }
.testimonial-avatar{ width:44px; height:44px; border-radius:50%; background: var(--c-primary); color:#fff; display:flex; align-items:center; justify-content:center; font-family:var(--font-display); font-weight:600; }
.testimonial-name{ font-weight:600; font-size:.92rem; margin-bottom:0; }
.testimonial-role{ font-size:.8rem; color: var(--c-text-muted); }
.sample-badge{ font-family:var(--font-mono); font-size:.7rem; color: var(--c-accent); background: rgba(193,101,46,.08); padding:4px 10px; border-radius:3px; display:inline-block; margin-bottom:14px; }

/* ==========================================================================
   FAQ
   ========================================================================== */
.accordion-item{ border:1px solid var(--c-border); border-radius:var(--radius-sm) !important; margin-bottom:14px; overflow:hidden; }
.accordion-button{ font-family:var(--font-display); font-weight:600; font-size:1rem; color: var(--c-dark); }
.accordion-button:not(.collapsed){ background: var(--c-bg-alt); color: var(--c-accent); box-shadow:none; }
.accordion-button:focus{ box-shadow:none; }

/* ==========================================================================
   CTA STRIP + DARK SECTIONS
   ========================================================================== */
.cta-strip{ background: var(--c-dark); color:#fff; padding:52px 0; position:relative; overflow:hidden; }
.cta-strip::before{
  content:""; position:absolute; inset:0;
  background-image: linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
  background-size:36px 36px;
}
.cta-strip .container{ position:relative; }
.cta-strip h2{ color:#fff; font-size:1.7rem; margin-bottom:0; }
.cta-eyebrow{ color: var(--c-accent-2); font-size:.78rem; margin-bottom:10px; }

.cta-banner{ background: var(--c-primary); color:#fff; border-radius: var(--radius-md); padding:56px; text-align:center; }
.cta-banner h2{ color:#fff; }
.cta-banner p{ color:#CBD6DC; }

/* ==========================================================================
   CONTACT
   ========================================================================== */
.contact-card{ background:#fff; border:1px solid var(--c-border); border-radius: var(--radius-md); padding:30px; height:100%; text-align:center; transition:.3s; }
.contact-card:hover{ border-color: var(--c-accent); transform:translateY(-4px); }
.contact-card .why-icon{ margin:0 auto 18px; }
.contact-form{ background:#fff; border:1px solid var(--c-border); border-radius: var(--radius-md); padding:40px; }
.form-control, .form-select{ border-radius: var(--radius-sm); border-color: var(--c-border); padding:.65rem .9rem; }
.form-control:focus, .form-select:focus{ border-color: var(--c-accent); box-shadow:0 0 0 .2rem rgba(193,101,46,.15); }
.form-label{ font-weight:600; font-size:.88rem; }
.map-wrap{ border-radius: var(--radius-md); overflow:hidden; border:1px solid var(--c-border); }
.map-wrap iframe{ width:100%; height:420px; border:0; display:block; }

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer{ background: var(--c-dark); color:#B9C2C7; padding:70px 0 30px; }
.footer-brand{ display:flex; flex-direction:column; margin-bottom:18px; }
.footer-brand .brand-mark{ color:#fff; }
.footer-about{ font-size:.9rem; line-height:1.7; color:#9AA6AC; }
.footer-heading{ color:#fff; font-size:.78rem; margin-bottom:20px; letter-spacing:.12em; }
.footer-links{ list-style:none; padding:0; margin:0; }
.footer-links li{ margin-bottom:12px; font-size:.92rem; }
.footer-links a{ color:#B9C2C7; }
.footer-links a:hover{ color: var(--c-accent-2); }
.footer-links i{ margin-right:8px; color: var(--c-accent); }
.footer-rule{ border-color: rgba(255,255,255,.1); margin:40px 0 24px; }
.footer-copy{ font-size:.82rem; color:#8B969C; margin-bottom:0; }

/* Floating buttons */
.floating-actions{ position:fixed; right:22px; bottom:22px; display:flex; flex-direction:column; gap:12px; z-index:1040; }
.fab{ width:52px; height:52px; border-radius:50%; display:flex; align-items:center; justify-content:center; color:#fff; font-size:1.3rem; box-shadow:0 10px 24px rgba(0,0,0,.25); transition:.25s; }
.fab-whatsapp{ background:#25D366; }
.fab-call{ background: var(--c-accent); }
.fab:hover{ transform:translateY(-4px) scale(1.05); color:#fff; }

.back-to-top{
  position:fixed; right:22px; bottom:100px; width:44px; height:44px; border-radius:50%; border:none;
  background: var(--c-dark); color:#fff; display:none; align-items:center; justify-content:center; z-index:1039; box-shadow:0 8px 20px rgba(0,0,0,.2);
}
.back-to-top.show{ display:flex; }
@media (max-width: 575px){ .floating-actions{ right:14px; bottom:14px; } .back-to-top{ right:14px; bottom:78px; } }

/* ==========================================================================
   REVEAL ANIMATIONS
   ========================================================================== */
[data-aos]{ opacity:0; transform:translateY(24px); transition:opacity .7s ease, transform .7s ease; }
[data-aos].aos-in{ opacity:1; transform:translateY(0); }
@media (prefers-reduced-motion: reduce){
  [data-aos]{ opacity:1; transform:none; transition:none; }
  html{ scroll-behavior:auto; }
}