/* ================================================================
   ALEXIS CONSTRUCTIONS — style.css
   Dark editorial premium, mobile-first
   ================================================================ */

/* ----- TOKENS ----- */
:root {
  --bg:       #0d0f12;
  --bg-card:  #14161a;
  --bg-light: #1a1d22;
  --white:    #ffffff;
  --gold:     #c8963e;
  --gold-bright: #d4a853;
  --gray-300: #9a9ea4;
  --gray-500: #6b6f75;
  --gray-600: #4a4d53;
  --gray-800: #22252a;
  --font-display: 'Playfair Display', 'Times New Roman', serif;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;
  --max-w: 1240px;
  --header-h: 72px;
  --radius: 4px;
  --ease: cubic-bezier(0.4,0,0.2,1);
}

/* ----- RESET ----- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:var(--header-h)}
body{font-family:var(--font-body);font-size:clamp(0.95rem,1.3vw,1rem);line-height:1.7;color:var(--gray-300);background:var(--bg);-webkit-font-smoothing:antialiased;overflow-x:hidden}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
ul{list-style:none}
button{font:inherit;cursor:pointer;border:none;background:none;color:inherit}
input,textarea{font:inherit;color:inherit}

:focus-visible{outline:2px solid var(--gold);outline-offset:3px}

@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:0.01ms!important;animation-iteration-count:1!important;transition-duration:0.01ms!important;scroll-behavior:auto!important}
}

/* ----- UTILITY ----- */
.container{width:100%;max-width:var(--max-w);margin:0 auto;padding:0 1.5rem}
.section{padding:clamp(5rem,10vw,8rem) 0}
.section-label{font-family:var(--font-body);font-size:0.68rem;font-weight:600;text-transform:uppercase;letter-spacing:0.18em;color:var(--gold);margin-bottom:0.85rem}
.section-title{font-family:var(--font-display);font-size:clamp(2rem,5.5vw,3.2rem);font-weight:800;color:var(--white);line-height:1.1;letter-spacing:-0.01em;margin-bottom:2.5rem}
.tac{text-align:center}

/* ----- BUTTONS ----- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:0.5rem;padding:0.85rem 2rem;font-weight:600;font-size:0.85rem;text-transform:uppercase;letter-spacing:0.06em;transition:all 0.25s var(--ease);border-radius:var(--radius)}
.btn-gold{background:var(--gold);color:var(--bg);border:1px solid var(--gold)}
.btn-gold:hover{background:var(--gold-bright);border-color:var(--gold-bright);transform:translateY(-1px)}
.btn-outline{background:transparent;color:var(--white);border:1.5px solid rgba(255,255,255,0.2)}
.btn-outline:hover{background:rgba(255,255,255,0.04);border-color:rgba(255,255,255,0.4);transform:translateY(-1px)}
.btn-call{background:transparent;color:var(--white);border:1.5px solid var(--gold);padding:0.5rem 1.25rem;font-size:0.75rem}
.btn-call:hover{background:var(--gold);color:var(--bg)}
.btn-full{width:100%}

/* ----- HEADER ----- */
.header{position:sticky;top:0;z-index:900;height:var(--header-h);background:rgba(13,15,18,0.92);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid rgba(255,255,255,0.05);transition:all 0.35s var(--ease)}
.header.scrolled{box-shadow:0 1px 8px rgba(0,0,0,0.3)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:100%;gap:1.5rem}

.logo{font-family:var(--font-body);font-size:1.1rem;font-weight:700;letter-spacing:0.1em;color:var(--white);display:flex;align-items:center;gap:0.15rem}
.logo-dot{color:var(--gold)}.logo-after{color:var(--gold)}

.nav-list{display:flex;gap:0.1rem}
.nav-link{font-size:0.7rem;font-weight:600;letter-spacing:0.1em;color:var(--gray-500);padding:0.45rem 0.7rem;transition:color 0.2s var(--ease)}
.nav-link:hover,.nav-link:focus-visible{color:var(--white)}

.header-actions{display:flex;align-items:center;gap:0.7rem}

.lang-btn{font-size:0.7rem;font-weight:700;letter-spacing:0.06em;color:var(--gray-500);padding:0.3rem 0.6rem;border:1px solid rgba(255,255,255,0.1);border-radius:var(--radius);transition:all 0.2s var(--ease)}
.lang-btn:hover,.lang-btn.active{color:var(--white);border-color:var(--gold)}

.hamburger{display:none;flex-direction:column;justify-content:center;gap:5px;width:40px;height:40px;padding:8px}
.hamburger span{display:block;width:22px;height:2px;background:var(--white);transition:all 0.3s var(--ease);margin:0 auto}
.hamburger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.hamburger.open span:nth-child(2){opacity:0}
.hamburger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ----- SPOTLIGHT HERO ----- */
:root{
  --spotlight-size:0px;
  --spotlight-x:50%;
  --spotlight-y:50%;
  --spotlight-soft:140px;
}
.hero{position:relative;display:flex;align-items:center;justify-content:center;min-height:100vh;overflow:hidden;background-color:#0a0a0a;background-image:url('assets/crane.jpg');background-size:cover;background-position:center}
.hero-body{position:relative;z-index:10;max-width:680px;padding:clamp(3rem,10vw,6rem) 1.5rem;display:flex;flex-direction:column;align-items:center;text-align:center;gap:1.25rem}
.hero-title{font-family:var(--font-display);font-size:clamp(2.5rem,8vw,5.5rem);font-weight:900;line-height:0.92;letter-spacing:-0.02em;color:#fff;text-shadow:0 2px 28px rgba(0,0,0,0.7)}
.hero-sub{font-size:clamp(0.9rem,1.3vw,1.05rem);color:#d9c9a3;max-width:520px;line-height:1.65;text-shadow:0 2px 14px rgba(0,0,0,0.7)}
.hero-cta{display:flex;gap:0.9rem;flex-wrap:wrap;justify-content:center;margin-top:0.25rem}

.spotlight-overlay{position:absolute;inset:0;background-color:#0a0a0a;pointer-events:none;z-index:1;
  -webkit-mask-image:radial-gradient(circle at var(--spotlight-x) var(--spotlight-y),transparent 0,transparent calc(var(--spotlight-size)/2),black calc(var(--spotlight-size)/2 + var(--spotlight-soft)));
  mask-image:radial-gradient(circle at var(--spotlight-x) var(--spotlight-y),transparent 0,transparent calc(var(--spotlight-size)/2),black calc(var(--spotlight-size)/2 + var(--spotlight-soft)));
  transition:mask-image 0.03s linear,-webkit-mask-image 0.03s linear}
.spotlight-glow{position:absolute;inset:0;pointer-events:none;z-index:2;background:radial-gradient(circle at var(--spotlight-x) var(--spotlight-y),rgba(255,214,130,0.1) 0,rgba(255,214,130,0.1) calc(var(--spotlight-size)/2),transparent calc(var(--spotlight-size)/2 + 40px));mix-blend-mode:screen}
.spotlight-hint{position:absolute;bottom:28px;left:50%;transform:translateX(-50%);z-index:10;color:rgba(255,255,255,0.45);font-size:0.8rem;letter-spacing:0.05em;pointer-events:none}

@media(prefers-reduced-motion:reduce){.spotlight-overlay{transition:none}}

/* ----- ABOUT ----- */
.about{background:var(--bg)}
.about-grid{display:grid;grid-template-columns:1fr;gap:3rem;align-items:center}
.about-img{position:relative}
.about-img-ph{aspect-ratio:4/5;background:url('assets/owner.jpg') center/cover no-repeat;border-radius:2px;position:relative;overflow:hidden}
.about-stat{position:absolute;bottom:1.25rem;right:-0.75rem;background:var(--gold);color:var(--bg);padding:0.8rem 1.1rem;text-align:center;border-radius:2px}
.about-stat span:first-child{display:block;font-family:var(--font-display);font-size:2rem;font-weight:900;line-height:1}
.about-stat span:last-child{display:block;font-size:0.6rem;font-weight:600;text-transform:uppercase;letter-spacing:0.08em;margin-top:0.1rem}
.about-text{display:flex;flex-direction:column;gap:1rem}
.about-text p{color:var(--gray-300);line-height:1.75;font-size:0.95rem}
.about-text strong{color:var(--white);font-weight:600}
.about-sig{margin-top:0.75rem}
.about-sig div{font-family:var(--font-body);font-size:0.9rem;font-weight:700;letter-spacing:0.08em;color:var(--white)}
.about-sig span{font-size:0.7rem;color:var(--gold);text-transform:uppercase;letter-spacing:0.1em}

/* ----- SERVICES ----- */
.services{background:var(--bg-light)}
.svc-grid{display:grid;grid-template-columns:1fr;gap:1.5rem}
.svc-card{position:relative;background:var(--bg-card);border:1px solid rgba(255,255,255,0.04);overflow:hidden;transition:all 0.35s var(--ease)}
.svc-card:hover{transform:translateY(-4px);box-shadow:0 12px 32px rgba(0,0,0,0.3)}
.svc-img{height:240px;background-size:cover;background-position:center;cursor:pointer}
.pcard-img{cursor:pointer}
.svc-img-1{background:url('assets/service-residential.jpg') center/cover no-repeat}
.svc-img-2{background:url('assets/service-renovation.png') center/cover no-repeat}
.svc-img-3{background:url('assets/service-commercial.jpg') center/cover no-repeat}
.svc-num{position:absolute;top:1.25rem;left:1.25rem;font-family:var(--font-display);font-size:2.2rem;font-weight:900;color:rgba(255,255,255,0.08);line-height:1}
.svc-card h3{font-family:var(--font-display);font-size:1.3rem;font-weight:700;color:var(--white);padding:1.6rem 1.6rem 0.35rem}
.svc-card p{font-size:0.85rem;color:var(--gray-500);padding:0.35rem 1.6rem 1.8rem;line-height:1.6}

/* ----- PORTFOLIO ----- */
.portfolio{background:var(--bg)}
.port-grid{display:grid;grid-template-columns:1fr;gap:1.25rem}
.pcard{background:var(--bg-card);border:1px solid rgba(255,255,255,0.04);overflow:hidden;transition:all 0.35s var(--ease);cursor:pointer}
.pcard:hover{transform:translateY(-4px);box-shadow:0 12px 32px rgba(0,0,0,0.3)}
.pcard-img{height:280px;background-size:cover;background-position:center}
.pcard-img-1{background:url('assets/portfolio-villa.jpg') center/cover no-repeat}
.pcard-img-2{background:url('assets/portfolio-nexus.png') center/cover no-repeat}
.pcard-img-3{background:url('assets/portfolio-penthouse.jpg') center/cover no-repeat}
.pcard-body{padding:1.25rem}
.pcard-body h3{font-family:var(--font-display);font-size:1.2rem;font-weight:700;color:var(--white);margin-bottom:0.2rem}
.pcard-body p{font-size:0.8rem;color:var(--gold);text-transform:uppercase;letter-spacing:0.05em}

/* ----- WHY US ----- */
.why-us{background:var(--bg-light)}
.why-grid{display:grid;grid-template-columns:1fr;gap:1.5rem}
.why-item{position:relative;padding:2.25rem 2rem;background:var(--bg-card);border:1px solid rgba(255,255,255,0.04);transition:all 0.3s var(--ease)}
.why-item:hover{transform:translateY(-3px);box-shadow:0 8px 24px rgba(0,0,0,0.25)}
.why-num{font-family:var(--font-display);font-size:2.5rem;font-weight:900;color:rgba(200,150,62,0.1);line-height:1;margin-bottom:0.5rem}
.why-item h3{font-family:var(--font-display);font-size:1.15rem;font-weight:700;color:var(--white);margin-bottom:0.35rem}
.why-item p{font-size:0.85rem;color:var(--gray-500);line-height:1.6}

/* ----- CONTACT ----- */
.contact{background:var(--bg)}
.contact-grid{display:grid;grid-template-columns:1fr;gap:2.5rem}
.contact-info{display:flex;flex-direction:column;gap:0.8rem}
.cinfo{display:flex;align-items:flex-start;gap:1rem;padding:1.1rem 1.25rem;background:var(--bg-card);border:1px solid rgba(255,255,255,0.04)}
.cinfo-icon{flex-shrink:0;width:40px;height:40px;display:flex;align-items:center;justify-content:center;border-radius:50%;background:rgba(200,150,62,0.08);color:var(--gold)}
.cinfo strong{display:block;font-size:0.65rem;font-weight:700;text-transform:uppercase;letter-spacing:0.08em;color:var(--gray-500);margin-bottom:0.15rem}
.cinfo span{font-size:0.88rem;color:var(--white)}
.contact-btns{display:flex;gap:0.6rem;margin-top:0.5rem}

.contact-form{display:flex;flex-direction:column;gap:1rem}
.field input,.field textarea{width:100%;padding:0.95rem 1.1rem;background:var(--bg-card);border:1px solid rgba(255,255,255,0.06);color:var(--white);font-size:0.9rem;transition:border-color 0.2s var(--ease);outline:none}
.field input::placeholder,.field textarea::placeholder{color:var(--gray-600)}
.field input:focus,.field textarea:focus{border-color:var(--gold)}
.field textarea{resize:vertical;min-height:110px}
.form-msg{padding:0.9rem 1.1rem;font-size:0.85rem;font-weight:500}
.form-ok{background:rgba(22,163,74,0.1);color:#4ade80;border:1px solid rgba(22,163,74,0.2)}
.form-err{background:rgba(220,38,38,0.1);color:#f87171;border:1px solid rgba(220,38,38,0.2)}
[hidden]{display:none}

/* ----- LIGHTBOX ----- */
.lightbox{position:fixed;inset:0;z-index:9999;display:flex;align-items:center;justify-content:center;padding:1.5rem;opacity:0;pointer-events:none;transition:opacity 0.3s var(--ease)}
.lightbox.open{opacity:1;pointer-events:auto}
.lightbox-backdrop{position:absolute;inset:0;background:rgba(0,0,0,0.94);backdrop-filter:blur(8px)}
.lightbox-close{position:absolute;top:1rem;right:1rem;z-index:2;width:44px;height:44px;display:flex;align-items:center;justify-content:center;background:rgba(255,255,255,0.06);color:#fff;border:1px solid rgba(255,255,255,0.1);border-radius:50%;font-size:1.2rem;cursor:pointer;transition:all 0.2s var(--ease)}
.lightbox-close:hover{background:rgba(255,255,255,0.15)}
.lightbox-img{position:relative;z-index:1;max-width:100%;max-height:85vh;object-fit:contain;border-radius:2px}

/* ----- FOOTER ----- */
.footer{background:var(--bg-card);border-top:1px solid rgba(255,255,255,0.04);padding:2.5rem 0}
.footer-inner{display:flex;flex-direction:column;align-items:center;gap:0.75rem;text-align:center}
.footer-logo{font-family:var(--font-body);font-size:1rem;font-weight:700;letter-spacing:0.1em;color:var(--white)}
.footer-copy{font-size:0.7rem;color:var(--gray-500);letter-spacing:0.06em}

/* ----- SCROLL REVEAL ----- */
.reveal{opacity:0;transform:translateY(30px);transition:opacity 0.7s var(--ease),transform 0.7s var(--ease)}
.reveal.visible{opacity:1;transform:translateY(0)}
@media(prefers-reduced-motion:reduce){.reveal{opacity:1!important;transform:none!important;transition:none!important}}

/* =============================== TABLET =============================== */
@media(min-width:600px){
  .about-grid{grid-template-columns:1fr 1fr}
  .svc-grid{grid-template-columns:repeat(3,1fr)}
  .port-grid{grid-template-columns:repeat(2,1fr)}
  .why-grid{grid-template-columns:repeat(2,1fr)}
  .contact-grid{grid-template-columns:1.2fr 1fr}
}

/* =============================== DESKTOP =============================== */
@media(min-width:960px){
  .about-grid{gap:5rem}
  .svc-img{height:300px}
  .port-grid{grid-template-columns:repeat(3,1fr)}
  .why-grid{grid-template-columns:repeat(4,1fr)}
  .contact-grid{grid-template-columns:1fr 1fr;gap:4rem}
}

/* =============================== MOBILE NAV =============================== */
@media(max-width:759px){
  .nav{position:fixed;top:var(--header-h);left:0;right:0;bottom:0;background:rgba(13,15,18,0.98);backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);display:flex;align-items:flex-start;justify-content:center;padding-top:3rem;transform:translateX(100%);transition:transform 0.45s var(--ease);z-index:899}
  .nav.open{transform:translateX(0)}
  .nav-list{flex-direction:column;align-items:center;gap:0.5rem}
  .nav-link{font-size:1rem;padding:0.8rem 1.5rem}
  .hamburger{display:flex}
  .hero{min-height:100vh;min-height:100dvh}
  .hero-body{padding:clamp(2rem,8vw,4rem) 1rem}
  .hero-cta{flex-direction:column;align-items:center;width:100%}
  .hero-cta .btn{width:100%;text-align:center}
  .spotlight-hint{font-size:0.7rem;bottom:16px}
  .about-stat{right:0;bottom:0.5rem;padding:0.6rem 0.8rem}
  .about-stat span:first-child{font-size:1.5rem}
  .contact-btns{flex-direction:column}
  .svc-img{height:220px}
  .pcard-img{height:240px}
  .container{padding:0 1rem}
  .header-inner{gap:0.6rem}
  .header-actions{gap:0.4rem}
  .logo{font-size:0.85rem;letter-spacing:0.04em}
  .btn-call{padding:0.35rem 0.65rem;font-size:0.65rem}
  .lang-btn{padding:0.25rem 0.45rem;font-size:0.62rem}
  .field input,.field textarea{font-size:16px}
}

/* =============================== VERY SMALL =============================== */
@media(max-width:380px){
  .logo{font-size:0.72rem;letter-spacing:0.02em}
  .btn-call{padding:0.3rem 0.5rem;font-size:0.6rem;letter-spacing:0.02em}
  .lang-btn{padding:0.2rem 0.35rem;font-size:0.58rem}
  .hamburger{width:34px;height:34px;padding:6px}
  .hamburger span{width:18px}
  .hero-title{font-size:clamp(1.8rem,9vw,2.5rem)}
}