/* ============================================================
   J&G AIR CONDITIONING — Premium HVAC (Apple/Tesla concept)
   ============================================================ */

:root {
  /* Core palette */
  --black:    #070B12;
  --graphite: #0B111C;
  --graphite-2:#101826;
  --navy:     #0A2A52;
  --brand:    #1466E8;   /* deep HVAC blue */
  --brand-2:  #0B4FC0;
  --ice:      #38BDF8;   /* cold air cyan */
  --ice-soft: #7DD3FC;

  --white:    #FFFFFF;
  --paper:    #F5F8FC;   /* light section bg */
  --paper-2:  #EAF1F9;
  --line:     #E2E9F2;
  --ink:      #0C1726;   /* dark text */
  --muted:    #56657A;   /* body text */
  --muted-2:  #8493A6;
  --silver:   #C3CEDB;

  --grad-brand: linear-gradient(120deg, #1466E8 0%, #38BDF8 100%);
  --grad-cool:  linear-gradient(135deg, #0A2A52 0%, #1466E8 55%, #38BDF8 120%);
  --grad-ice:   linear-gradient(180deg, #F5F8FC 0%, #FFFFFF 100%);
  --grad-dark:  linear-gradient(160deg, #0B111C 0%, #0A1A33 60%, #08203f 100%);
  --grad-text:  linear-gradient(120deg, #38BDF8 0%, #BFE6FF 60%, #FFFFFF 100%);

  --font-head: 'Manrope', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;

  --container: 1240px;
  --r-lg: 26px;
  --r:    18px;
  --r-sm: 12px;
  --sh-sm: 0 6px 20px rgba(12,23,38,.07);
  --sh:    0 22px 60px rgba(12,23,38,.14);
  --sh-lg: 0 50px 110px rgba(7,11,18,.45);
  --sh-glow: 0 20px 50px rgba(20,102,232,.35);
}

*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-body); background: var(--white); color: var(--ink);
  line-height: 1.65; font-size: 17px; overflow-x: hidden;
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
:focus-visible { outline: 3px solid var(--ice); outline-offset: 3px; border-radius: 6px; }

h1,h2,h3,h4 { font-family: var(--font-head); line-height: 1.08; font-weight: 800; letter-spacing: -.025em; color: var(--ink); }
p { color: var(--muted); }

.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: 24px; }

/* helpers */
.eyebrow { display: inline-flex; align-items: center; gap: 10px; font-family: var(--font-head); font-weight: 700; font-size: .78rem; letter-spacing: .2em; text-transform: uppercase; color: var(--brand); }
.eyebrow::before { content: ""; width: 26px; height: 2px; background: var(--grad-brand); border-radius: 2px; }
.eyebrow.center { justify-content: center; }
.eyebrow.light { color: var(--ice); }
.gradient-text { background: var(--grad-brand); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }

.section { padding: 120px 0; position: relative; }
.section-head { max-width: 700px; margin-bottom: 58px; }
.section-head.center { margin-inline: auto; text-align: center; }
.section-head h2 { font-size: clamp(2.1rem, 4.3vw, 3.4rem); margin: 16px 0 18px; }
.section-head p { font-size: 1.14rem; }
.section.dark { background: var(--grad-dark); color: #c2d2e6; }
.section.dark h2, .section.dark h3 { color: #fff; }
.section.dark p { color: #93a7c0; }

/* buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; font-family: var(--font-head); font-weight: 700; font-size: 1rem; padding: 15px 28px; border-radius: 999px; transition: transform .25s ease, box-shadow .25s ease, background .25s ease, color .25s ease; white-space: nowrap; }
.btn svg { width: 19px; height: 19px; }
.btn-primary { background: var(--grad-brand); color: #fff; box-shadow: var(--sh-glow); }
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 26px 60px rgba(20,102,232,.5); }
.btn-ghost { background: rgba(255,255,255,.08); color: #fff; border: 1px solid rgba(255,255,255,.3); backdrop-filter: blur(8px); }
.btn-ghost:hover { background: rgba(255,255,255,.18); transform: translateY(-3px); }
.btn-dark { background: var(--ink); color: #fff; }
.btn-dark:hover { transform: translateY(-3px); box-shadow: var(--sh); }
.btn-outline { border: 1.5px solid var(--line); color: var(--ink); background: #fff; }
.btn-outline:hover { border-color: var(--brand); color: var(--brand); transform: translateY(-3px); }
.btn-wa { background: #25D366; color: #fff; }
.btn-wa:hover { transform: translateY(-3px); box-shadow: 0 18px 40px rgba(37,211,102,.45); }

/* ===================== NAV ===================== */
.nav { position: fixed; top: 16px; left: 0; right: 0; z-index: 50; transition: top .3s ease; }
.nav-inner { max-width: var(--container); margin-inline: auto; display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 11px 14px 11px 20px; background: rgba(255,255,255,.7); backdrop-filter: blur(20px) saturate(150%); -webkit-backdrop-filter: blur(20px) saturate(150%); border: 1px solid rgba(255,255,255,.6); border-radius: 999px; box-shadow: 0 12px 44px rgba(12,23,38,.12); transition: background .3s, box-shadow .3s; }
.nav.scrolled .nav-inner { background: rgba(255,255,255,.93); box-shadow: 0 16px 50px rgba(12,23,38,.18); }
.nav.hide { top: -130px; }
.nav-logo { display: flex; align-items: center; gap: 12px; }
.nav-logo img { height: 50px; width: auto; transition: transform .25s; }
.nav-logo:hover img { transform: scale(1.05); }
.nav-word { display: flex; flex-direction: column; line-height: 1; }
.nav-word b { font-family: var(--font-head); font-weight: 800; font-size: 1.05rem; color: var(--ink); letter-spacing: -.01em; }
.nav-word span { font-size: .6rem; letter-spacing: .25em; color: var(--brand); font-weight: 700; margin-top: 3px; }
.nav-links { display: flex; align-items: center; gap: 2px; }
.nav-links a { font-family: var(--font-head); font-weight: 600; font-size: .95rem; color: var(--ink); padding: 9px 15px; border-radius: 999px; transition: background .2s, color .2s; }
.nav-links a:hover { background: var(--paper-2); color: var(--brand); }
.nav-cta { display: flex; align-items: center; gap: 10px; }
.nav-phone { display: inline-flex; align-items: center; gap: 8px; font-family: var(--font-head); font-weight: 700; color: var(--ink); padding: 9px 14px; border-radius: 999px; }
.nav-phone svg { width: 18px; height: 18px; color: var(--brand); }
.nav-phone:hover { background: var(--paper-2); }
.nav-toggle { display: none; width: 46px; height: 46px; border-radius: 13px; background: var(--ink); color: #fff; align-items: center; justify-content: center; }
.nav-toggle svg { width: 24px; height: 24px; }

.drawer { position: fixed; inset: 0; z-index: 80; visibility: hidden; }
.drawer-bg { position: absolute; inset: 0; background: rgba(7,11,18,.6); opacity: 0; transition: opacity .3s; backdrop-filter: blur(3px); }
.drawer-panel { position: absolute; top: 0; right: 0; height: 100%; width: min(86%, 360px); background: var(--graphite); padding: 88px 28px 28px; transform: translateX(100%); transition: transform .4s cubic-bezier(.4,0,.2,1); display: flex; flex-direction: column; gap: 4px; }
.drawer.open { visibility: visible; }
.drawer.open .drawer-bg { opacity: 1; }
.drawer.open .drawer-panel { transform: translateX(0); }
.drawer-panel a { color: #c2d2e6; font-family: var(--font-head); font-weight: 600; font-size: 1.1rem; padding: 14px 16px; border-radius: 12px; transition: background .2s; }
.drawer-panel a:hover { background: rgba(255,255,255,.08); color: #fff; }
.drawer-panel .btn { margin-top: 14px; }
.drawer-close { position: absolute; top: 22px; right: 22px; width: 44px; height: 44px; border-radius: 12px; background: rgba(255,255,255,.1); color: #fff; display: flex; align-items: center; justify-content: center; }
.drawer-close svg { width: 24px; height: 24px; }

/* ===================== HERO ===================== */
.hero { position: relative; min-height: 100vh; display: flex; align-items: center; background: var(--grad-dark); color: #fff; overflow: hidden; }
.hero-glow { position: absolute; border-radius: 50%; filter: blur(110px); z-index: 0; }
.hero-glow.a { width: 620px; height: 620px; background: rgba(20,102,232,.4); top: -120px; right: -80px; }
.hero-glow.b { width: 460px; height: 460px; background: rgba(56,189,248,.22); bottom: -140px; left: -120px; }
.hero-grid-bg { position: absolute; inset: 0; z-index: 0; background-image: linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px); background-size: 54px 54px; -webkit-mask-image: radial-gradient(ellipse at 60% 40%, #000 35%, transparent 78%); mask-image: radial-gradient(ellipse at 60% 40%, #000 35%, transparent 78%); }
.hero-inner { position: relative; z-index: 2; display: grid; grid-template-columns: 1fr 1.05fr; gap: 30px; align-items: center; width: 100%; padding: 120px 0 70px; }
.hero-badge { display: inline-flex; align-items: center; gap: 10px; padding: 8px 16px 8px 10px; background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.18); border-radius: 999px; backdrop-filter: blur(8px); font-size: .82rem; font-weight: 600; font-family: var(--font-head); margin-bottom: 26px; }
.hero-badge .dot { width: 9px; height: 9px; border-radius: 50%; background: #34D399; box-shadow: 0 0 0 4px rgba(52,211,153,.25); }
.hero h1 { font-size: clamp(2.5rem, 5.2vw, 4.4rem); line-height: 1.03; letter-spacing: -.035em; color: #fff; margin-bottom: 22px; }
.hero h1 .gradient-text { background: var(--grad-text); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.hero-sub { font-size: clamp(1.08rem, 1.7vw, 1.3rem); color: #aebfd6; max-width: 540px; margin-bottom: 36px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 44px; }
.hero-actions .btn { padding: 16px 30px; font-size: 1.05rem; }
.hero-trust { display: flex; flex-wrap: wrap; gap: 30px; }
.hero-trust .t { display: flex; flex-direction: column; }
.hero-trust .num { font-family: var(--font-head); font-weight: 800; font-size: 2rem; line-height: 1; }
.hero-trust .num span { background: var(--grad-text); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.hero-trust .lbl { font-size: .85rem; color: #8499b5; margin-top: 6px; }

.hero-visual { position: relative; }

/* ---- Hero: foto real + capa animada (overlay) ---- */
.ac-scene { position: relative; width: 100%; will-change: transform; transition: transform .35s ease-out; }
.ac-photo { width: 100%; height: auto; display: block; filter: drop-shadow(0 40px 80px rgba(0,0,0,.6)); animation: scenefloat 7s ease-in-out infinite; }
.ac-overlay { position: absolute; inset: 0; width: 100%; height: 100%; mix-blend-mode: screen; pointer-events: none; overflow: visible; animation: scenefloat 7s ease-in-out infinite; }
@keyframes scenefloat { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }

/* pulsing cold glow behind the unit */
.ac-glow { animation: glowpulse 4.5s ease-in-out infinite; }
@keyframes glowpulse { 0%,100% { opacity: .4; } 50% { opacity: 1; } }

/* cold air streams */
.air { stroke-dasharray: 70 50; animation: airflow 2.4s linear infinite; opacity: .5; transition: opacity .5s; }
.air.a2 { animation-duration: 3s; animation-delay: .4s; }
.air.a3 { animation-duration: 2.7s; animation-delay: .9s; }
.ac-scene:hover .air { opacity: .85; }
@keyframes airflow { to { stroke-dashoffset: -120; } }

/* frost sparkles twinkling on the coil */
.spark { opacity: 0; animation: sparkblink 2.8s ease-in-out infinite; }
.spark.s2 { animation-delay: .5s; } .spark.s3 { animation-delay: 1s; }
.spark.s4 { animation-delay: 1.4s; } .spark.s5 { animation-delay: 1.9s; }
.spark.s6 { animation-delay: 2.3s; }
@keyframes sparkblink { 0%,100% { opacity: 0; transform: scale(.6); } 50% { opacity: .95; transform: scale(1.25); } }
.spark { transform-box: fill-box; transform-origin: center; }

/* drifting snowflakes */
.fl { opacity: 0; }
.fl.k1 { animation: drift1 7s ease-in-out 0s infinite; }
.fl.k2 { animation: drift2 9s ease-in-out 1.5s infinite; }
.fl.k3 { animation: drift1 8s ease-in-out 3s infinite; }
.fl.k4 { animation: drift2 6.5s ease-in-out 2s infinite; }
.fl.k5 { animation: drift1 10s ease-in-out 4.5s infinite; }
@keyframes drift1 {
  0% { transform: translate(1150px, 560px) rotate(0deg); opacity: 0; }
  15% { opacity: .85; }
  70% { opacity: .5; }
  100% { transform: translate(640px, 980px) rotate(160deg); opacity: 0; }
}
@keyframes drift2 {
  0% { transform: translate(1320px, 600px) rotate(0deg); opacity: 0; }
  15% { opacity: .75; }
  70% { opacity: .4; }
  100% { transform: translate(820px, 1010px) rotate(-140deg); opacity: 0; }
}

/* light sweep across the photo */
.ac-shine { position: absolute; inset: 0; overflow: hidden; pointer-events: none; }
.ac-shine::before { content: ""; position: absolute; top: -25%; bottom: -25%; left: 0; width: 16%; background: linear-gradient(105deg, transparent, rgba(255,255,255,.16), transparent); animation: shinesweep 6.5s ease-in-out infinite; }
@keyframes shinesweep { 0%, 55% { transform: translateX(-130%) skewX(-18deg); } 90%, 100% { transform: translateX(760%) skewX(-18deg); } }
.hero-chip { position: absolute; display: flex; align-items: center; gap: 10px; padding: 11px 16px; background: rgba(13,21,34,.62); border: 1px solid rgba(255,255,255,.16); border-radius: 14px; backdrop-filter: blur(12px); box-shadow: 0 14px 34px rgba(0,0,0,.35); animation: floatchip 5s ease-in-out infinite; }
.hero-chip .ic { width: 34px; height: 34px; border-radius: 9px; background: rgba(56,189,248,.16); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.hero-chip .ic svg { width: 19px; height: 19px; color: var(--ice); }
.hero-chip b { font-family: var(--font-head); font-size: .9rem; color: #fff; display: block; line-height: 1.1; }
.hero-chip small { font-size: .72rem; color: #93a7c0; }
.hero-chip.c1 { top: 8%; left: -4%; animation-delay: 0s; }
.hero-chip.c2 { top: 44%; right: -6%; animation-delay: 1.4s; }
.hero-chip.c3 { bottom: 8%; left: 6%; animation-delay: 2.6s; }
@keyframes floatchip { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-12px); } }
.hero-scroll { position: absolute; bottom: 26px; left: 50%; transform: translateX(-50%); z-index: 2; display: flex; flex-direction: column; align-items: center; gap: 8px; color: #8499b5; font-size: .7rem; letter-spacing: .2em; text-transform: uppercase; }
.hero-scroll .mouse { width: 25px; height: 40px; border: 2px solid rgba(255,255,255,.35); border-radius: 13px; position: relative; }
.hero-scroll .mouse::after { content: ""; position: absolute; top: 7px; left: 50%; transform: translateX(-50%); width: 4px; height: 8px; background: #fff; border-radius: 2px; animation: scrolldot 1.8s infinite; }
@keyframes scrolldot { 0% { opacity: 0; transform: translate(-50%,0); } 40% { opacity: 1; } 80%,100% { opacity: 0; transform: translate(-50%,13px); } }

/* ===================== MARQUEE ===================== */
.strip { background: var(--black); padding: 26px 0; }
.strip-label { text-align: center; color: #5d6f88; font-size: .76rem; letter-spacing: .2em; text-transform: uppercase; margin-bottom: 18px; font-family: var(--font-head); font-weight: 700; }
.marquee { overflow: hidden; -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); }
.marquee-track { display: flex; gap: 54px; width: max-content; animation: marquee 32s linear infinite; }
.marquee:hover .marquee-track { animation-play-state: paused; }
.marquee-item { display: flex; align-items: center; gap: 11px; color: #7e93af; font-family: var(--font-head); font-weight: 700; font-size: 1.02rem; white-space: nowrap; }
.marquee-item svg { width: 20px; height: 20px; color: var(--ice); flex-shrink: 0; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ===================== ABOUT ===================== */
.about-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 64px; align-items: center; }
.about-media { position: relative; }
.about-media > img { border-radius: var(--r-lg); box-shadow: var(--sh); width: 100%; height: auto; object-fit: cover; }
.about-media .owner-tag { position: absolute; left: 22px; bottom: 22px; right: 22px; display: flex; align-items: center; gap: 14px; padding: 16px 20px; background: rgba(255,255,255,.82); backdrop-filter: blur(16px); border: 1px solid rgba(255,255,255,.7); border-radius: var(--r); box-shadow: var(--sh-sm); }
.about-media .owner-tag .av { width: 46px; height: 46px; border-radius: 12px; background: var(--grad-cool); color: #fff; display: flex; align-items: center; justify-content: center; font-family: var(--font-head); font-weight: 800; flex-shrink: 0; }
.about-media .owner-tag b { font-family: var(--font-head); color: var(--ink); display: block; line-height: 1.1; }
.about-media .owner-tag small { color: var(--muted); font-size: .84rem; }
.about-list { display: grid; grid-template-columns: 1fr 1fr; gap: 16px 26px; margin-top: 28px; }
.about-list li { display: flex; gap: 12px; align-items: flex-start; font-family: var(--font-head); font-weight: 600; color: var(--ink); font-size: .98rem; }
.about-list .check { width: 24px; height: 24px; border-radius: 7px; background: rgba(20,102,232,.1); color: var(--brand); display: flex; align-items: center; justify-content: center; flex-shrink: 0; margin-top: 1px; }
.about-list .check svg { width: 15px; height: 15px; }

/* ===================== SERVICES ===================== */
.svc-tabs { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; margin-bottom: 44px; }
.svc-tab { display: inline-flex; align-items: center; gap: 10px; padding: 13px 26px; border-radius: 999px; font-family: var(--font-head); font-weight: 700; font-size: 1rem; color: var(--muted); background: #fff; border: 1.5px solid var(--line); transition: all .25s; }
.svc-tab svg { width: 20px; height: 20px; }
.svc-tab:hover { border-color: var(--ice); color: var(--brand); }
.svc-tab.active { background: var(--grad-cool); color: #fff; border-color: transparent; box-shadow: var(--sh-glow); }
.svc-panel { display: none; }
.svc-panel.active { display: block; animation: fadeUp .5s ease; }
.svc-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 22px; }
.svc-card { background: #fff; border: 1px solid var(--line); border-radius: var(--r); padding: 30px 28px; transition: transform .3s, box-shadow .3s, border-color .3s; position: relative; overflow: hidden; }
.svc-card::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: var(--grad-brand); transform: scaleX(0); transform-origin: left; transition: transform .35s; }
.svc-card:hover { transform: translateY(-6px); box-shadow: var(--sh); border-color: transparent; }
.svc-card:hover::before { transform: scaleX(1); }
.svc-ic { width: 56px; height: 56px; border-radius: 15px; background: var(--grad-ice); border: 1px solid var(--line); display: flex; align-items: center; justify-content: center; margin-bottom: 20px; transition: background .3s; }
.svc-ic svg { width: 28px; height: 28px; color: var(--brand); }
.svc-card:hover .svc-ic { background: var(--grad-cool); }
.svc-card:hover .svc-ic svg { color: #fff; }
.svc-card h4 { font-size: 1.16rem; margin-bottom: 10px; }
.svc-card p { font-size: .95rem; }
.svc-card.cta { background: var(--grad-cool); border: none; color: #fff; display: flex; flex-direction: column; justify-content: center; }
.svc-card.cta h4 { color: #fff; } .svc-card.cta p { color: rgba(255,255,255,.85); }

/* ===================== MAINTENANCE (before/after) ===================== */
.maint-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 60px; align-items: center; }
.ba { position: relative; width: 100%; aspect-ratio: 4/3; border-radius: var(--r-lg); overflow: hidden; box-shadow: var(--sh); user-select: none; touch-action: none; }
.ba img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; pointer-events: none; }
.ba .after-wrap { position: absolute; inset: 0; width: 50%; overflow: hidden; }
.ba .after-wrap img { height: 100%; object-fit: cover; max-width: none; left: 0; }
.ba .ba-label { position: absolute; top: 16px; padding: 7px 14px; border-radius: 999px; font-family: var(--font-head); font-weight: 700; font-size: .76rem; letter-spacing: .04em; backdrop-filter: blur(8px); color: #fff; }
.ba .ba-label.before { right: 16px; background: rgba(220,38,38,.8); }
.ba .ba-label.after { left: 16px; background: rgba(20,102,232,.85); }
.ba-handle { position: absolute; top: 0; bottom: 0; left: 50%; width: 3px; background: #fff; transform: translateX(-50%); box-shadow: 0 0 14px rgba(0,0,0,.4); }
.ba-handle .grip { position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%); width: 46px; height: 46px; border-radius: 50%; background: #fff; display: flex; align-items: center; justify-content: center; box-shadow: 0 6px 18px rgba(0,0,0,.3); }
.ba-handle .grip svg { width: 22px; height: 22px; color: var(--brand); }
.maint-benefits { display: grid; gap: 14px; margin-top: 28px; }
.benefit { display: flex; align-items: center; gap: 14px; padding: 16px 20px; background: #fff; border: 1px solid var(--line); border-radius: var(--r-sm); transition: transform .25s, box-shadow .25s; }
.benefit:hover { transform: translateX(4px); box-shadow: var(--sh-sm); }
.benefit .ic { width: 42px; height: 42px; border-radius: 11px; background: var(--grad-ice); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.benefit .ic svg { width: 22px; height: 22px; color: var(--brand); }
.benefit b { font-family: var(--font-head); color: var(--ink); font-size: 1rem; display: block; }
.benefit small { color: var(--muted); font-size: .9rem; }

/* ===================== GALLERY ===================== */
.gallery-filter { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; margin-bottom: 40px; }
.gallery-filter button { padding: 10px 22px; border-radius: 999px; font-family: var(--font-head); font-weight: 700; font-size: .92rem; color: var(--muted); background: #fff; border: 1.5px solid var(--line); transition: all .25s; }
.gallery-filter button:hover { border-color: var(--ice); color: var(--brand); }
.gallery-filter button.active { background: var(--ink); color: #fff; border-color: transparent; }
.gallery-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; grid-auto-flow: dense; }
.g-item { position: relative; border-radius: var(--r); overflow: hidden; cursor: pointer; box-shadow: var(--sh-sm); aspect-ratio: 4/3; }
.g-item.wide { grid-column: span 2; }
.g-item img { width: 100%; height: 100%; object-fit: cover; transition: transform .7s ease; }
.g-item:hover img { transform: scale(1.08); }
.g-item .g-overlay { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(7,11,18,0) 40%, rgba(7,11,18,.9) 100%); display: flex; flex-direction: column; justify-content: flex-end; padding: 22px; opacity: 0; transform: translateY(10px); transition: opacity .35s, transform .35s; }
.g-item:hover .g-overlay { opacity: 1; transform: translateY(0); }
.g-item .g-overlay span { color: var(--ice-soft); font-size: .72rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; font-family: var(--font-head); }
.g-item .g-overlay h4 { color: #fff; font-size: 1.12rem; margin-top: 5px; }
.g-item .g-zoom { position: absolute; top: 16px; right: 16px; width: 38px; height: 38px; border-radius: 50%; background: rgba(255,255,255,.18); backdrop-filter: blur(6px); display: flex; align-items: center; justify-content: center; opacity: 0; transition: opacity .35s; }
.g-item:hover .g-zoom { opacity: 1; }
.g-item .g-zoom svg { width: 19px; height: 19px; color: #fff; }

.lightbox { position: fixed; inset: 0; z-index: 100; background: rgba(7,11,18,.93); backdrop-filter: blur(8px); display: flex; align-items: center; justify-content: center; padding: 30px; opacity: 0; visibility: hidden; transition: opacity .3s; }
.lightbox.open { opacity: 1; visibility: visible; }
.lightbox img { max-width: 92vw; max-height: 82vh; border-radius: 14px; box-shadow: var(--sh-lg); }
.lightbox-close, .lightbox-nav { position: absolute; background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.2); color: #fff; width: 54px; height: 54px; border-radius: 50%; display: flex; align-items: center; justify-content: center; transition: background .2s; }
.lightbox-close { top: 26px; right: 26px; }
.lightbox-nav { top: 50%; transform: translateY(-50%); }
.lightbox-nav.prev { left: 26px; } .lightbox-nav.next { right: 26px; }
.lightbox-close:hover, .lightbox-nav:hover { background: rgba(255,255,255,.25); }
.lightbox svg { width: 26px; height: 26px; }

/* ===================== WHY (dark) ===================== */
.why-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 20px; }
.why-card { padding: 32px 28px; background: rgba(255,255,255,.04); border: 1px solid rgba(255,255,255,.1); border-radius: var(--r); backdrop-filter: blur(10px); transition: transform .3s, background .3s; }
.why-card:hover { transform: translateY(-6px); background: rgba(20,102,232,.12); }
.why-card .ic { width: 58px; height: 58px; border-radius: 15px; background: var(--grad-cool); display: flex; align-items: center; justify-content: center; margin-bottom: 20px; box-shadow: var(--sh-glow); }
.why-card .ic svg { width: 28px; height: 28px; color: #fff; }
.why-card h4 { font-size: 1.16rem; margin-bottom: 9px; color: #fff; }
.why-card p { font-size: .95rem; color: #93a7c0; }
.why-stats { display: grid; grid-template-columns: repeat(4,1fr); gap: 22px; margin-top: 56px; }
.why-stat { text-align: center; padding: 26px 18px; background: rgba(255,255,255,.04); border: 1px solid rgba(255,255,255,.1); border-radius: var(--r); }
.why-stat .num { font-family: var(--font-head); font-weight: 800; font-size: 2.6rem; line-height: 1; background: var(--grad-text); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.why-stat .lbl { color: #93a7c0; margin-top: 8px; font-size: .92rem; }

/* ===================== TESTIMONIALS ===================== */
.testi-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.testi-card { background: #fff; border: 1px solid var(--line); border-radius: var(--r); padding: 32px 28px; transition: transform .3s, box-shadow .3s; }
.testi-card:hover { transform: translateY(-5px); box-shadow: var(--sh); }
.testi-stars { display: flex; gap: 3px; margin-bottom: 16px; }
.testi-stars svg { width: 18px; height: 18px; color: #F5B301; }
.testi-card p { color: var(--ink); font-size: 1.02rem; margin-bottom: 22px; }
.testi-author { display: flex; align-items: center; gap: 13px; }
.testi-author .av { width: 46px; height: 46px; border-radius: 50%; background: var(--grad-cool); color: #fff; display: flex; align-items: center; justify-content: center; font-family: var(--font-head); font-weight: 800; }
.testi-author b { display: block; font-family: var(--font-head); color: var(--ink); font-size: .98rem; }
.testi-author small { color: var(--muted); }

/* ===================== CONTACT ===================== */
.contact { background: var(--grad-dark); color: #c2d2e6; position: relative; overflow: hidden; }
.contact .hero-glow.a { top: -160px; right: -120px; opacity: .6; }
.contact-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 56px; position: relative; z-index: 2; align-items: start; }
.contact-info h2 { color: #fff; font-size: clamp(2rem, 3.6vw, 2.9rem); margin-bottom: 16px; }
.contact-info > p { color: #93a7c0; margin-bottom: 32px; font-size: 1.08rem; }
.contact-cards { display: grid; gap: 14px; margin-bottom: 22px; }
.c-card { display: flex; align-items: center; gap: 16px; padding: 18px 22px; background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.12); border-radius: var(--r-sm); transition: background .25s, transform .25s; }
.c-card:hover { background: rgba(255,255,255,.1); transform: translateX(4px); }
.c-card .ic { width: 50px; height: 50px; border-radius: 12px; background: var(--grad-cool); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.c-card.wa .ic { background: #25D366; }
.c-card .ic svg { width: 24px; height: 24px; color: #fff; }
.c-card small { color: #7e93af; font-size: .8rem; letter-spacing: .04em; text-transform: uppercase; font-family: var(--font-head); font-weight: 700; }
.c-card b { display: block; color: #fff; font-family: var(--font-head); font-size: 1.16rem; }
.contact-map { border-radius: var(--r-sm); overflow: hidden; border: 1px solid rgba(255,255,255,.12); height: 200px; }
.contact-map iframe { width: 100%; height: 100%; border: 0; filter: grayscale(.3) contrast(1.05); }

.form-card { background: rgba(255,255,255,.98); border-radius: var(--r-lg); padding: 40px; box-shadow: var(--sh-lg); }
.form-card h3 { color: var(--ink); font-size: 1.5rem; margin-bottom: 5px; }
.form-card .form-sub { color: var(--muted); margin-bottom: 24px; font-size: .98rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { margin-bottom: 18px; }
.field label { display: block; font-family: var(--font-head); font-weight: 700; font-size: .86rem; color: var(--ink); margin-bottom: 7px; }
.field input, .field select, .field textarea { width: 100%; padding: 13px 16px; border: 1.5px solid var(--line); border-radius: 11px; font-family: var(--font-body); font-size: 1rem; color: var(--ink); background: #fff; transition: border-color .2s, box-shadow .2s; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--brand); box-shadow: 0 0 0 4px rgba(20,102,232,.12); }
.field textarea { resize: vertical; min-height: 104px; }
.form-card .btn { width: 100%; margin-top: 4px; }
.form-note { text-align: center; color: var(--muted); font-size: .84rem; margin-top: 14px; }
.form-success { display: none; text-align: center; padding: 18px; background: rgba(52,211,153,.12); border: 1px solid rgba(52,211,153,.4); border-radius: 12px; color: #0c7a52; font-weight: 700; margin-top: 14px; }
.form-success.show { display: block; animation: fadeUp .4s; }

/* ===================== FOOTER ===================== */
.footer { background: var(--black); color: #7e93af; padding: 68px 0 28px; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 48px; }
.footer-logo { display: inline-flex; align-items: center; gap: 12px; margin-bottom: 18px; }
.footer-logo img { height: 56px; width: auto; }
.footer-logo b { display: block; font-family: var(--font-head); font-weight: 800; font-size: 1.1rem; color: #fff; line-height: 1.1; }
.footer-logo small { display: block; font-size: .6rem; letter-spacing: .25em; color: var(--ice); font-weight: 700; margin-top: 4px; }
.footer-brand p { color: #6d8099; font-size: .95rem; max-width: 320px; }
.footer-social { display: flex; gap: 12px; margin-top: 20px; }
.footer-social a { width: 42px; height: 42px; border-radius: 11px; background: rgba(255,255,255,.06); display: flex; align-items: center; justify-content: center; transition: background .25s, transform .25s; }
.footer-social a:hover { background: var(--grad-brand); transform: translateY(-3px); }
.footer-social svg { width: 20px; height: 20px; color: #c2d2e6; }
.footer-col h5 { color: #fff; font-family: var(--font-head); font-size: 1rem; margin-bottom: 16px; }
.footer-col a { display: block; padding: 6px 0; color: #7e93af; font-size: .95rem; transition: color .2s, padding .2s; }
.footer-col a:hover { color: var(--ice); padding-left: 5px; }
.footer-bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 14px; padding-top: 26px; border-top: 1px solid rgba(255,255,255,.08); font-size: .87rem; }

/* ===================== FLOATING ACTIONS ===================== */
.fab { position: fixed; right: 22px; z-index: 80; width: 58px; height: 58px; border-radius: 50%; display: flex; align-items: center; justify-content: center; box-shadow: 0 14px 34px rgba(0,0,0,.3); transition: transform .25s; }
.fab:hover { transform: scale(1.08); }
.fab svg { width: 30px; height: 30px; color: #fff; }
.fab-wa { bottom: 24px; background: #25D366; animation: pulse 2.6s infinite; }
.fab-call { bottom: 92px; background: var(--grad-brand); display: none; }
@keyframes pulse { 0% { box-shadow: 0 14px 34px rgba(0,0,0,.3), 0 0 0 0 rgba(37,211,102,.5); } 70% { box-shadow: 0 14px 34px rgba(0,0,0,.3), 0 0 0 16px rgba(37,211,102,0); } 100% { box-shadow: 0 14px 34px rgba(0,0,0,.3), 0 0 0 0 rgba(37,211,102,0); } }

/* ===================== REVEAL ===================== */
.reveal { opacity: 0; transform: translateY(34px); transition: opacity .7s cubic-bezier(.2,.7,.2,1), transform .7s cubic-bezier(.2,.7,.2,1); }
.reveal.in { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: .08s; } .reveal.d2 { transition-delay: .16s; } .reveal.d3 { transition-delay: .24s; }
@keyframes fadeUp { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: none; } }

/* ===================== RESPONSIVE ===================== */
@media (max-width: 1080px) {
  .nav-links, .nav-phone { display: none; }
  .nav-toggle { display: flex; }
  .hero-inner, .about-grid, .maint-grid, .contact-grid { grid-template-columns: 1fr; gap: 44px; }
  .hero-visual { max-width: 560px; margin-inline: auto; order: -1; }
  .hero-chip.c1 { left: 2%; } .hero-chip.c2 { right: 2%; }
  .why-stats { grid-template-columns: repeat(2,1fr); }
  .gallery-grid { grid-template-columns: repeat(2,1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 720px) {
  .section { padding: 80px 0; }
  body { font-size: 16px; }
  .hero-trust { gap: 22px; }
  .testi-grid { grid-template-columns: 1fr; }
  .why-stats { grid-template-columns: 1fr 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: 1fr; }
  .g-item.wide { grid-column: span 1; }
  .about-list { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .fab-call { display: flex; }
  .nav { top: 10px; } .container { padding-inline: 18px; }
}
@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; }
  .hero-actions { width: 100%; } .hero-actions .btn { flex: 1; }
}
@media (prefers-reduced-motion: reduce) {
  * { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; }
}