/* ===================================================================
   ALDIANA CONSTRUCTION — LUXURY VILLA SITE CSS
   =================================================================== */

:root {
  --black:        #0a0a0b;
  --charcoal:     #141312;
  --charcoal-2:   #1c1a17;
  --stone:        #f4f0e8;
  --stone-2:      #ece5d6;
  --gold:         #c6a15b;
  --gold-light:   #e6cd94;
  --gold-glow:    rgba(198, 161, 91, 0.35);
  --text-light:   #f5f2ec;
  --text-muted:   #b8b0a1;
  --text-dark:    #1c1a17;
  --text-dark-muted: #5c574c;
  --radius-sm:    6px;
  --radius-md:    14px;
  --radius-xl:    50px;
  --shadow-card:  0 25px 60px rgba(0,0,0,0.45);
  --transition:   all 0.35s cubic-bezier(0.4,0,0.2,1);
}

*,*::before,*::after { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'Inter', sans-serif;
  background: var(--stone);
  color: var(--text-dark);
  overflow-x: hidden;
  line-height: 1.7;
}
h1,h2,h3 { font-family: 'Playfair Display', serif; }
img { max-width:100%; height:auto; display:block; }
a { text-decoration:none; color:inherit; }
ul { list-style:none; }
button { font-family: inherit; cursor:pointer; }
input,textarea,select { font-family: inherit; }

.container { max-width: 1220px; margin: 0 auto; padding: 0 2rem; }

/* ===== DEMO RIBBON ===== */
.demo-ribbon {
  background: var(--gold);
  color: var(--black);
  text-align: center;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  padding: 0.45rem 1rem;
  text-transform: uppercase;
}

/* ===== SECTIONS ===== */
.section { padding: 6.5rem 0; }
.section-alt { background: var(--stone-2); }
.section-head { text-align: center; max-width: 760px; margin: 0 auto 3.5rem; }
.section-kicker {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1rem;
}
.section-title {
  font-size: clamp(1.9rem, 3.6vw, 2.7rem);
  font-weight: 700;
  line-height: 1.25;
  color: var(--text-dark);
}
.section-title span { color: var(--gold); font-style: italic; }
.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-dark-muted);
  margin-top: 1.1rem;
}
.fine-print { font-size: 0.85rem; color: var(--text-dark-muted); text-align:center; margin-top: 2.5rem; }

/* ===== SCROLL REVEAL ===== */
[data-reveal] { opacity: 0; transform: translateY(30px); transition: opacity 0.7s ease, transform 0.7s ease; }
[data-reveal].revealed { opacity:1; transform:translateY(0); }
[data-reveal-delay="50"] { transition-delay: 0.05s; }
[data-reveal-delay="100"] { transition-delay: 0.1s; }
[data-reveal-delay="150"] { transition-delay: 0.15s; }
[data-reveal-delay="200"] { transition-delay: 0.2s; }
[data-reveal-delay="300"] { transition-delay: 0.3s; }

/* ===== BUTTONS ===== */
.btn-primary {
  display: inline-flex; align-items: center; gap: 0.6rem;
  background: var(--gold); color: var(--black);
  padding: 1rem 2.3rem; border: none; border-radius: var(--radius-xl);
  font-size: 0.95rem; font-weight: 700; letter-spacing: 0.02em;
  transition: var(--transition); box-shadow: 0 8px 25px var(--gold-glow);
  white-space: nowrap;
}
.btn-primary:hover { background: var(--gold-light); transform: translateY(-3px); box-shadow: 0 12px 35px var(--gold-glow); }

.btn-secondary {
  display: inline-flex; align-items: center; gap: 0.6rem;
  background: transparent; color: var(--text-light);
  padding: 1rem 2.3rem; border: 1.5px solid rgba(245,242,236,0.4); border-radius: var(--radius-xl);
  font-size: 0.95rem; font-weight: 600; transition: var(--transition); white-space: nowrap;
}
.btn-secondary:hover { border-color: var(--gold); color: var(--gold); transform: translateY(-3px); }

.btn-nav-cta {
  background: var(--gold); color: var(--black); font-weight: 700; font-size: 0.85rem;
  padding: 0.65rem 1.4rem; border-radius: var(--radius-xl); white-space: nowrap;
  transition: var(--transition);
}
.btn-nav-cta:hover { background: var(--gold-light); }

/* ===== HEADER ===== */
.site-header {
  background: rgba(10,10,11,0.55);
  backdrop-filter: blur(10px);
  padding: 1.1rem 0; position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  transition: background 0.3s ease, padding 0.3s ease, box-shadow 0.3s ease;
}
.site-header.scrolled { background: rgba(10,10,11,0.92); padding: 0.7rem 0; box-shadow: 0 10px 30px rgba(0,0,0,0.35); }
.header-inner { display:flex; align-items:center; justify-content:space-between; gap:1.5rem; }

.logo { display:flex; align-items:center; }
.logo-img { height: 60px; width: auto; border-radius: 6px; flex-shrink: 0; }

.main-nav { display:flex; align-items:center; gap: 1.5rem; }
.nav-list { display:flex; align-items:center; gap: 1.3rem; flex-wrap: nowrap; }
.nav-link { color: var(--text-light); font-size: 0.84rem; font-weight: 500; position: relative; padding-bottom: 4px; white-space: nowrap; }
.nav-link::after {
  content:''; position:absolute; left:0; bottom:0; width:0; height:1px; background: var(--gold);
  transition: width 0.3s ease;
}
.nav-link:hover::after { width: 100%; }
.nav-link:hover { color: var(--gold-light); }

.burger-btn { display:none; flex-direction:column; justify-content:center; gap:5px; width:34px; height:34px; background:none; border:none; }
.burger-btn span { display:block; height:2px; width:100%; background: var(--text-light); border-radius: 2px; transition: var(--transition); }
.burger-btn.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger-btn.open span:nth-child(2) { opacity: 0; }
.burger-btn.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.nav-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.6); opacity:0; visibility:hidden; transition: var(--transition); z-index: 998; }
.nav-overlay.active { opacity:1; visibility:visible; }

/* ===== HERO ===== */
.hero { position: relative; min-height: 100vh; display:flex; flex-direction:column; justify-content:center; color: var(--text-light); overflow:hidden; }
.hero-media { position: absolute; inset: 0; z-index: 0; }
.hero-media img { width:100%; height:100%; object-fit: cover; }
.hero-overlay {
  position:absolute; inset:0;
  background: linear-gradient(180deg, rgba(10,10,11,0.75) 0%, rgba(10,10,11,0.35) 42%, rgba(10,10,11,0.55) 75%, rgba(10,10,11,0.95) 100%);
}
.hero-content { position: relative; z-index: 1; padding-top: 7rem; padding-bottom: 6rem; max-width: 760px; }
.eyebrow { display:flex; align-items:center; gap:0.8rem; font-size:0.8rem; letter-spacing:0.18em; text-transform:uppercase; color: var(--gold-light); margin-bottom:1.3rem; }
.eyebrow .line { width: 40px; height: 1px; background: var(--gold); display:inline-block; }

.exp-badge {
  display: inline-flex; align-items: center; gap: 0.6rem;
  background: rgba(198,161,91,0.12); border: 1px solid var(--gold);
  color: var(--gold-light); font-size: 0.78rem; font-weight: 700;
  letter-spacing: 0.08em; text-transform: uppercase;
  padding: 0.55rem 1.2rem; border-radius: var(--radius-xl);
  margin-bottom: 1.4rem;
}
.exp-badge i { color: var(--gold); }
.hero h1 { font-size: clamp(2.4rem, 6vw, 4.2rem); font-weight: 700; line-height: 1.15; margin-bottom: 1.4rem; }
.hero h1 span { display:block; font-style: italic; font-weight:500; font-size: 0.55em; color: var(--gold-light); margin-top: 0.6rem; }
.hero-lead { font-size: 1.1rem; color: var(--text-muted); max-width: 560px; margin-bottom: 2.2rem; }
.hero-actions { display:flex; gap: 1rem; flex-wrap: wrap; }

.hero-specs { position: relative; z-index:1; border-top: 1px solid rgba(245,242,236,0.15); background: rgba(10,10,11,0.35); backdrop-filter: blur(6px); }
.hero-specs-grid { display:grid; grid-template-columns: repeat(4, 1fr); }
.hero-spec { padding: 1.3rem 0.5rem; text-align:center; border-right: 1px solid rgba(245,242,236,0.12); }
.hero-spec:last-child { border-right:none; }
.hero-spec-label { display:block; font-size: 0.7rem; letter-spacing:0.12em; text-transform:uppercase; color: var(--text-muted); margin-bottom: 0.35rem; }
.hero-spec-value { display:block; font-family:'Playfair Display', serif; font-size: 1.1rem; color: var(--gold-light); }

/* ===== SIGNATURE BANNER ===== */
.signature-banner { background: var(--black); padding: 7.6rem 0 2.6rem; border-bottom: 1px solid rgba(198,161,91,0.25); }
.signature-banner-inner { display:flex; align-items:center; justify-content:center; gap: 1.6rem; flex-wrap: wrap; text-align:center; }
.signature-banner-part { font-family:'Playfair Display', serif; font-size: clamp(1.4rem, 3vw, 2.1rem); font-weight: 700; color: var(--text-light); }
.signature-banner-part-gold { font-style: italic; font-weight: 600; color: var(--gold-light); }
.signature-banner-divider { color: var(--gold); font-size: 1.1rem; }

/* ===== MARQUEE ===== */
.marquee { background: var(--black); color: var(--gold-light); overflow:hidden; padding: 0.9rem 0; white-space: nowrap; }
.marquee-track { display:inline-flex; gap: 1rem; animation: marquee 26s linear infinite; font-size: 0.8rem; letter-spacing: 0.16em; font-weight:600; }
.marquee-track span { opacity: 0.85; }
@keyframes marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* ===== SPLIT LAYOUT (esprit villa) ===== */
.split-layout { display:grid; grid-template-columns: 1fr 1.15fr; gap: 4rem; align-items:center; }
.split-text p { font-size: 1.05rem; color: var(--text-dark-muted); margin-bottom: 1.8rem; }
.signature-box { border-left: 3px solid var(--gold); padding: 1.2rem 1.6rem; background: rgba(198,161,91,0.08); border-radius: 0 var(--radius-sm) var(--radius-sm) 0; }
.signature-label { display:flex; align-items:center; gap:0.6rem; font-weight:700; color: var(--text-dark); margin-bottom: 0.5rem; font-size:0.95rem; }
.signature-label i { color: var(--gold); }
.signature-box p { margin:0; font-size: 0.95rem; color: var(--text-dark-muted); }
.split-media img { border-radius: var(--radius-md); box-shadow: var(--shadow-card); }

/* ===== FEATURE CHIPS (extérieur) ===== */
.feature-grid { display:grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; }
.feature-chip {
  background: #fff; border: 1px solid rgba(28,26,23,0.08); border-radius: var(--radius-md);
  padding: 1.5rem 1.3rem; display:flex; align-items:center; gap: 1rem;
  font-weight: 600; font-size: 1rem; color: var(--text-dark);
  transition: var(--transition);
}
.feature-chip:hover { transform: translateY(-4px); box-shadow: 0 15px 35px rgba(28,26,23,0.1); border-color: var(--gold); }
.feature-chip i { color: var(--gold); font-size: 1.3rem; width: 1.6rem; text-align:center; }

/* ===== FLOOR CARDS (intérieur) ===== */
.floor-grid { display:grid; grid-template-columns: repeat(3, 1fr); gap: 1.6rem; }
.floor-card {
  background: var(--black); color: var(--text-light); border-radius: var(--radius-md);
  padding: 2.4rem 2rem; position:relative; overflow:hidden;
  border: 1px solid rgba(198,161,91,0.25); transition: var(--transition);
}
.floor-card:hover { border-color: var(--gold); transform: translateY(-6px); }
.floor-number { font-family:'Playfair Display', serif; font-size: 2.6rem; color: rgba(198,161,91,0.3); display:block; margin-bottom: 0.8rem; }
.floor-card h3 { font-size: 1.35rem; margin-bottom: 0.6rem; color: var(--gold-light); }
.floor-card p { color: var(--text-muted); font-size: 0.95rem; }

/* ===== STRENGTH CARDS (points forts) ===== */
.strength-grid { display:grid; grid-template-columns: repeat(3, 1fr); gap: 1.6rem; }
.strength-card {
  background: #fff; border-radius: var(--radius-md); padding: 2.2rem 1.8rem;
  border: 1px solid rgba(28,26,23,0.08); transition: var(--transition);
}
.strength-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-card); }
.strength-card i { font-size: 1.8rem; color: var(--gold); margin-bottom: 1.1rem; display:block; }
.strength-card h3 { font-size: 1.15rem; margin-bottom: 0.6rem; color: var(--text-dark); }
.strength-card p { font-size: 0.92rem; color: var(--text-dark-muted); }

/* ===== FOUNDER CARD (à propos) ===== */
.founder-card {
  display:flex; gap: 2.5rem; align-items:center; background: var(--black); color: var(--text-light);
  border-radius: var(--radius-md); padding: 3rem; border: 1px solid rgba(198,161,91,0.2);
  background-image: radial-gradient(circle at top left, rgba(198,161,91,0.14), transparent 55%);
}
.founder-avatar {
  flex: 0 0 auto; width: 120px; height: 120px; border-radius: 50%;
  background: linear-gradient(145deg, var(--gold), var(--gold-light)); color: var(--black);
  display:flex; align-items:center; justify-content:center;
  font-family:'Playfair Display', serif; font-size: 2.4rem; font-weight: 700;
}
.founder-quote { font-family:'Playfair Display', serif; font-style: italic; font-size: 1.2rem; color: var(--gold-light); margin-bottom: 1.2rem; }
.founder-bio { color: var(--text-muted); font-size: 0.95rem; margin-bottom: 1.2rem; }
.founder-name { display:block; font-weight: 700; color: var(--text-light); font-size: 1.05rem; }
.founder-title { display:block; font-size: 0.82rem; color: var(--text-muted); letter-spacing: 0.05em; text-transform: uppercase; margin-top: 0.2rem; }

/* ===== PORTFOLIO (catalogue villas) ===== */
.portfolio-featured { margin-bottom: 2rem; }
.portfolio-grid { display:grid; grid-template-columns: repeat(2, 1fr); gap: 2rem; }
.portfolio-card { position:relative; border-radius: var(--radius-md); overflow:hidden; box-shadow: var(--shadow-card); aspect-ratio: 4/5; }
.portfolio-card img { width:100%; height:100%; object-fit:cover; transition: transform 0.6s ease; }
.portfolio-card:hover img { transform: scale(1.06); }
.portfolio-card-featured { aspect-ratio: auto; background: var(--black); }
.portfolio-card-featured img { height:auto; object-fit:contain; }
.portfolio-info {
  position:absolute; left:0; right:0; bottom:0; padding: 2rem 1.6rem 1.6rem;
  background: linear-gradient(180deg, transparent, rgba(10,10,11,0.92));
  color: var(--text-light);
}
.portfolio-info h3 { font-size: 1.3rem; color: var(--gold-light); margin-bottom: 0.3rem; }
.portfolio-info p { font-size: 0.85rem; color: var(--text-muted); }

/* ===== REALISATION SLIDESHOW (chantier livré, photos réelles) ===== */
.realisation-slideshow { margin-top: 2rem; }
.slideshow-main {
  position: relative; border-radius: var(--radius-md); overflow: hidden; box-shadow: var(--shadow-card);
  background: var(--black); width: 100%; height: 0; padding-top: 56.25%; /* ratio 16:9, compatible tous navigateurs */
}
.slideshow-main img { position: absolute; top:0; left:0; width:100%; height:100%; object-fit: cover; display:block; }
.slide-nav {
  position: absolute; top: 50%; transform: translateY(-50%); width: 52px; height: 52px; border-radius: 50%;
  background: rgba(10,10,11,0.45); border: 1px solid rgba(245,242,236,0.35); color: var(--text-light);
  display:flex; align-items:center; justify-content:center; cursor:pointer; transition: var(--transition);
  backdrop-filter: blur(6px);
}
.slide-nav:hover { background: var(--gold); color: var(--black); border-color: var(--gold); }
.slide-prev { left: 1.2rem; }
.slide-next { right: 1.2rem; }
.slide-counter {
  position: absolute; top: 1.2rem; right: 1.2rem; background: rgba(10,10,11,0.55); color: var(--text-light);
  font-size: 0.78rem; font-weight: 600; letter-spacing: 0.05em; padding: 0.35rem 0.85rem; border-radius: var(--radius-xl);
}
.slide-caption {
  position:absolute; left:0; right:0; bottom:0; padding: 1.8rem 1.8rem 1.3rem;
  background: linear-gradient(180deg, transparent, rgba(10,10,11,0.85));
  color: var(--gold-light); font-family:'Playfair Display', serif; font-size: 1.2rem;
}
.slideshow-thumbs { display:flex; gap: 0.8rem; margin-top: 1.2rem; overflow-x: auto; padding-bottom: 0.4rem; }
.slide-thumb {
  flex: 0 0 auto; width: 108px; height: 81px; border-radius: var(--radius-sm); overflow:hidden;
  border: 2px solid transparent; padding: 0; background:none; opacity: 0.5; cursor: pointer; transition: var(--transition);
}
.slide-thumb img { width:100%; height:100%; object-fit:cover; display:block; }
.slide-thumb:hover { opacity: 0.8; }
.slide-thumb.active { opacity: 1; border-color: var(--gold); }

.gallery-lightbox {
  position: fixed; inset: 0; background: rgba(10,10,11,0.95); z-index: 2000;
  display: none; align-items: center; justify-content: center; padding: 2rem;
}
.gallery-lightbox.active { display: flex; }
.gallery-lightbox img { max-width: 88vw; max-height: 86vh; border-radius: var(--radius-sm); box-shadow: var(--shadow-card); }
.lightbox-close, .lightbox-prev, .lightbox-next {
  position: absolute; background: rgba(245,242,236,0.1); border: 1px solid rgba(245,242,236,0.3);
  color: var(--text-light); border-radius: 50%; display:flex; align-items:center; justify-content:center;
  cursor: pointer; transition: var(--transition);
}
.lightbox-close:hover, .lightbox-prev:hover, .lightbox-next:hover { background: var(--gold); color: var(--black); border-color: var(--gold); }
.lightbox-close { top: 1.5rem; right: 1.5rem; width: 44px; height: 44px; font-size: 1.2rem; }
.lightbox-prev, .lightbox-next { top: 50%; transform: translateY(-50%); width: 52px; height: 52px; font-size: 1.15rem; }
.lightbox-prev { left: 1.5rem; }
.lightbox-next { right: 1.5rem; }

/* ===== CTA — VOTRE FUTURE VILLA ===== */
.cta-section { padding-top: 0; }
.cta-box {
  background: var(--black); color: var(--text-light); border-radius: var(--radius-md);
  padding: 3.5rem 3rem; text-align:center;
  background-image: radial-gradient(circle at top right, rgba(198,161,91,0.14), transparent 55%);
  border: 1px solid rgba(198,161,91,0.2);
}
.cta-text h2 { font-size: clamp(1.7rem, 3.4vw, 2.4rem); margin-top: 0.6rem; margin-bottom: 2.2rem; }
.cta-text h2 span { color: var(--gold); font-style: italic; }
.spec-table { display:grid; grid-template-columns: repeat(4, 1fr); border: 1px solid rgba(245,242,236,0.15); border-radius: var(--radius-sm); overflow:hidden; margin: 0 auto 2.4rem; max-width: 720px; }
.spec-cell { padding: 1.2rem 0.5rem; border-right: 1px solid rgba(245,242,236,0.15); }
.spec-cell:last-child { border-right:none; }
.spec-label { display:block; font-size: 0.7rem; letter-spacing:0.1em; text-transform:uppercase; color: var(--text-muted); margin-bottom:0.4rem; }
.spec-value { display:block; font-weight:600; color: var(--gold-light); }

/* ===== CONTACT ===== */
.contact-layout { display:grid; grid-template-columns: 0.9fr 1.3fr; gap: 3.5rem; }
.contact-info-item { display:flex; align-items:flex-start; gap: 1.1rem; margin-bottom: 1.8rem; }
.contact-info-item i { color: var(--gold); font-size: 1.15rem; margin-top: 0.3rem; width: 1.4rem; text-align:center; }
.contact-info-item span { display:block; font-size: 0.78rem; letter-spacing:0.08em; text-transform:uppercase; color: var(--text-dark-muted); margin-bottom: 0.15rem; }
.contact-info-item a { font-weight: 600; color: var(--text-dark); }
.contact-info-item a:hover { color: var(--gold); }

.zone-chips { display:flex; flex-wrap:wrap; gap: 0.5rem; margin-top: 0.3rem; }
.zone-chip {
  display:inline-block; background: rgba(198,161,91,0.12); color: var(--text-dark);
  border: 1px solid rgba(198,161,91,0.35); border-radius: var(--radius-xl);
  padding: 0.3rem 0.85rem; font-size: 0.82rem; font-weight: 600;
}

.contact-form-wrap { background: #fff; border-radius: var(--radius-md); padding: 2.4rem; box-shadow: var(--shadow-card); }
.form-row { display:grid; grid-template-columns: 1fr 1fr; gap: 1.2rem; }
.form-group { margin-bottom: 1.2rem; }
.form-group label { display:block; font-size: 0.85rem; font-weight:600; margin-bottom: 0.45rem; color: var(--text-dark); }
.form-group input, .form-group select, .form-group textarea {
  width:100%; padding: 0.85rem 1rem; border: 1px solid rgba(28,26,23,0.15); border-radius: var(--radius-sm);
  font-size: 0.95rem; background: var(--stone); color: var(--text-dark); transition: var(--transition);
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { outline:none; border-color: var(--gold); background:#fff; }
.form-group textarea { resize: vertical; }
.form-submit-btn { width:100%; justify-content:center; margin-top:0.4rem; }
.form-success { background: rgba(80,160,90,0.12); color:#2f7a3a; padding:0.8rem 1rem; border-radius: var(--radius-sm); font-size:0.9rem; margin-bottom:1rem; display:flex; gap:0.5rem; align-items:center; }
.form-error { background: rgba(200,60,60,0.1); color:#b3382f; padding:0.8rem 1rem; border-radius: var(--radius-sm); font-size:0.9rem; margin-bottom:1rem; display:flex; gap:0.5rem; align-items:center; }

/* ===== FOOTER ===== */
.site-footer { background: var(--black); color: var(--text-muted); }
.footer-banner { text-align:center; font-family:'Playfair Display', serif; font-style: italic; font-size: 1.05rem; color: var(--gold-light); padding: 1.6rem 1rem; border-bottom: 1px solid rgba(245,242,236,0.1); }
.footer-grid { display:grid; grid-template-columns: 1.3fr 1fr 1fr; gap: 3rem; padding: 3.5rem 0 2.5rem; }
.footer-logo-img { height: 100px; width: auto; border-radius: 8px; margin-bottom: 1.2rem; }
.footer-col h4 { color: var(--text-light); font-family:'Inter',sans-serif; font-size: 0.85rem; letter-spacing:0.1em; text-transform:uppercase; margin-bottom: 1.1rem; }
.footer-col p { font-size: 0.9rem; margin-bottom: 0.6rem; display:flex; align-items:center; gap:0.5rem; }
.footer-col p i { color: var(--gold); width: 1.1rem; }
.footer-col a:hover { color: var(--gold-light); }
.footer-bottom { text-align:center; border-top: 1px solid rgba(245,242,236,0.1); padding: 1.4rem 0; font-size: 0.8rem; }

/* ===== FLOATING CTA ===== */
.float-cta {
  position: fixed; right: 1.6rem; bottom: 1.6rem; width: 56px; height: 56px; border-radius: 50%;
  background: var(--gold); color: var(--black); display:flex; align-items:center; justify-content:center;
  font-size: 1.3rem; box-shadow: 0 10px 30px var(--gold-glow); z-index: 900; transition: var(--transition);
}
.float-cta:hover { transform: scale(1.08); background: var(--gold-light); }

/* ===== RESPONSIVE ===== */
@media (max-width: 980px) {
  .split-layout, .contact-layout { grid-template-columns: 1fr; gap: 2.5rem; }
  .split-media { order: -1; }
  .feature-grid, .strength-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
}

@media (max-width: 760px) {
  .main-nav {
    position: fixed; top: 0; right: -100%; width: min(320px, 82vw); height: 100vh;
    background: var(--black); flex-direction: column; align-items: flex-start; justify-content:flex-start;
    padding: 6.5rem 2rem 2rem; gap: 2rem; transition: right 0.35s ease; z-index: 999;
  }
  .main-nav.open { right: 0; }
  .nav-list { flex-direction: column; align-items: flex-start; gap: 1.5rem; }
  .burger-btn { display:flex; }
  .hero-specs-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-spec:nth-child(2) { border-right:none; }
  .hero-spec { border-bottom: 1px solid rgba(245,242,236,0.12); }
  .feature-grid, .strength-grid, .floor-grid, .portfolio-grid, .spec-table { grid-template-columns: 1fr; }
  .spec-cell { border-right:none; border-bottom: 1px solid rgba(245,242,236,0.15); }
  .form-row { grid-template-columns: 1fr; }
  .cta-box { padding: 2.5rem 1.6rem; }
  .section { padding: 4.5rem 0; }
  .founder-card { flex-direction: column; text-align: center; padding: 2.2rem 1.6rem; }
  .slideshow-main { padding-top: 75%; /* ratio 4:3 */ }
  .slide-nav { width: 42px; height: 42px; font-size: 0.9rem; }
  .slide-thumb { width: 80px; height: 60px; }
  .lightbox-prev, .lightbox-next { width: 40px; height: 40px; font-size: 0.95rem; }
  .lightbox-prev { left: 0.6rem; }
  .lightbox-next { right: 0.6rem; }
  .lightbox-close { top: 0.8rem; right: 0.8rem; }
}