/* ============ FONTS ============ */
@font-face {
  font-family: "Cairo";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("../fonts/cairo-latin-400-normal.woff2") format("woff2");
  unicode-range: U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;
}
@font-face {
  font-family: "Cairo";
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("../fonts/cairo-latin-600-normal.woff2") format("woff2");
  unicode-range: U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;
}
@font-face {
  font-family: "Cairo";
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url("../fonts/cairo-latin-700-normal.woff2") format("woff2");
  unicode-range: U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;
}
@font-face {
  font-family: "Cairo";
  font-style: normal;
  font-weight: 800;
  font-display: swap;
  src: url("../fonts/cairo-latin-800-normal.woff2") format("woff2");
  unicode-range: U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;
}
@font-face {
  font-family: "Cairo";
  font-style: normal;
  font-weight: 900;
  font-display: swap;
  src: url("../fonts/cairo-latin-900-normal.woff2") format("woff2");
  unicode-range: U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;
}

/* ============ ROOT / RESET ============ */
:root{
  --bg: #07090a;
  --bg-soft: #0b0d0f;
  --surface: #111417;
  --surface-2: #161a1d;
  --border: rgba(255,255,255,.09);
  --border-strong: rgba(255,255,255,.16);

  --teal: #069e9c;
  --teal-bright: #07efec;
  --teal-dim: #035958;
  --teal-deep: #022828;

  --white: #f4f6f5;
  --muted: #a6b0ae;
  --muted-2: #6f7876;

  --container: 1280px;
  --radius: 22px;
  --radius-sm: 14px;

  --ease: cubic-bezier(.16,.84,.32,1);
  --dur: .9s;
}

*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  *{ animation-duration: .001ms !important; transition-duration: .001ms !important; }
}

body{
  margin:0;
  background: var(--bg);
  color: var(--white);
  font-family: "Cairo", system-ui, sans-serif;
  font-weight: 400;
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
button{ font-family:inherit; cursor:pointer; background:none; border:none; color:inherit; }
ul{ margin:0; padding:0; list-style:none; }
h1,h2,h3,h4,p{ margin:0; }

::selection{ background: var(--teal); color:#04120f; }

/* thin scrollbar */
::-webkit-scrollbar{ width:10px; }
::-webkit-scrollbar-track{ background: var(--bg); }
::-webkit-scrollbar-thumb{ background: var(--surface-2); border-radius:10px; }

.container{
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: clamp(20px, 4vw, 48px);
}

.text-accent{
  background: linear-gradient(90deg, var(--teal-bright), var(--teal));
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}

/* film grain overlay */
.grain{
  position:fixed; inset:0; z-index:9999; pointer-events:none;
  opacity:.035;
  mix-blend-mode: overlay;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='120' height='120'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
}

#progress-bar{
  position:fixed; top:0; inset-inline-start:0; height:3px; width:0%;
  background: linear-gradient(90deg, var(--teal), var(--teal-bright));
  z-index: 10000;
  box-shadow: 0 0 12px var(--teal-bright);
  transition: width .1s linear;
}

/* ============ REVEAL ANIMATION ============ */
.reveal{
  opacity:0;
  transform: translateY(28px);
  filter: blur(6px);
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease), filter var(--dur) var(--ease);
  transition-delay: calc(var(--d, 0) * 90ms);
}
.reveal.in-view{
  opacity:1;
  transform: translateY(0);
  filter: blur(0);
}

/* ============ BUTTONS ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  padding: 16px 32px;
  border-radius: 999px;
  font-weight:700;
  font-size: .98rem;
  white-space: nowrap;
  transition: transform .35s var(--ease), box-shadow .35s var(--ease), background .35s var(--ease), border-color .35s var(--ease), color .35s var(--ease);
  will-change: transform;
}
.btn-primary{
  background: linear-gradient(135deg, var(--teal-bright), var(--teal));
  color:#03120f;
  box-shadow: 0 8px 30px -8px rgba(6,158,156,.6);
}
.btn-primary:hover{ transform: translateY(-3px); box-shadow: 0 14px 40px -8px rgba(7,239,236,.7); }
.btn-outline{
  border: 1.5px solid var(--border-strong);
  color: var(--white);
  background: rgba(255,255,255,.02);
}
.btn-outline:hover{ border-color: var(--teal-bright); color: var(--teal-bright); transform: translateY(-3px); }
.btn-ghost{
  padding: 12px 22px;
  border: 1.5px solid var(--border);
  font-size:.9rem;
}
.btn-ghost:hover{ border-color: var(--teal); background: rgba(6,158,156,.08); }

/* ============ HEADER ============ */
.site-header{
  position: fixed; inset-inline:0; top:0; z-index: 1000;
  padding-block: 22px;
  transition: padding .4s var(--ease), background .4s var(--ease), border-color .4s var(--ease), backdrop-filter .4s var(--ease);
  border-bottom: 1px solid transparent;
}
.site-header.scrolled{
  padding-block: 12px;
  background: rgba(7,9,10,.72);
  backdrop-filter: blur(16px) saturate(140%);
  border-color: var(--border);
}
.header-inner{
  max-width: var(--container);
  margin-inline:auto;
  padding-inline: clamp(20px,4vw,48px);
  display:flex; align-items:center; gap: 28px;
}
.brand{ display:flex; align-items:center; gap:10px; margin-inline-end:auto; }
.brand-mark{ height:34px; width:auto; flex-shrink:0; }
.brand-name{ font-weight:800; font-size:1.15rem; letter-spacing:.2px; }
.brand-name em{ font-style:normal; color: var(--teal-bright); }

.main-nav{ display:flex; align-items:center; gap: 30px; }
.main-nav a{
  font-size:.95rem; font-weight:600; color: var(--muted);
  position:relative; padding-block:4px;
  transition: color .3s var(--ease);
}
.main-nav a::after{
  content:""; position:absolute; inset-inline:0; bottom:-2px; height:2px;
  background: var(--teal-bright); transform: scaleX(0); transform-origin: center;
  transition: transform .35s var(--ease);
}
.main-nav a:hover{ color: var(--white); }
.main-nav a:hover::after{ transform: scaleX(1); }

.header-cta{ flex-shrink:0; }

.nav-toggle{
  display:none; flex-direction:column; justify-content:center; gap:5px;
  width:40px; height:40px;
  position:relative; z-index:1001;
}
.nav-toggle span{ width:100%; height:2px; background: var(--white); transition: transform .3s var(--ease), opacity .3s var(--ease); }
.nav-toggle.active span:nth-child(1){ transform: translateY(7px) rotate(45deg); }
.nav-toggle.active span:nth-child(2){ opacity:0; }
.nav-toggle.active span:nth-child(3){ transform: translateY(-7px) rotate(-45deg); }

/* ============ HERO ============ */
.hero{
  position:relative;
  min-height: 100svh;
  display:flex; flex-direction:column; align-items:center; justify-content:center;
  padding-top: 120px;
  overflow:hidden;
  isolation:isolate;
}
.hero-glow{
  position:absolute; inset:0; z-index:-2;
  background:
    radial-gradient(60% 50% at 50% 38%, rgba(6,158,156,.32), transparent 70%),
    radial-gradient(40% 35% at 78% 70%, rgba(7,239,236,.14), transparent 70%),
    var(--bg);
}
.hero-grid{
  position:absolute; inset:0; z-index:-1; opacity:.35;
  background-image:
    linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.045) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(60% 60% at 50% 40%, black, transparent 85%);
}

.hero-content{
  text-align:center;
  display:flex; flex-direction:column; align-items:center;
  z-index:2;
  padding-inline: 20px;
}
.eyebrow{
  color: var(--teal-bright);
  font-weight:700;
  letter-spacing:.5px;
  font-size: clamp(.85rem, 1.4vw, 1rem);
  margin-bottom: 18px;
}
.hero-title{
  display:flex; flex-direction:column; gap: 0;
  font-size: clamp(3rem, 11vw, 8rem);
  font-weight:900;
  line-height:.94;
  letter-spacing: -.02em;
  text-transform:uppercase;
  font-family: "Cairo", sans-serif;
}
.hero-title .line.accent{
  background: linear-gradient(100deg, var(--teal-bright), var(--teal) 60%);
  -webkit-background-clip:text; background-clip:text; color:transparent;
}
.hero-slogan{
  margin-top: 22px;
  font-size: clamp(1.15rem, 2.4vw, 1.6rem);
  font-weight:700;
}
.hero-slogan .emoji{ filter: drop-shadow(0 0 14px rgba(7,239,236,.5)); }
.hero-sub{
  margin-top:18px;
  max-width: 560px;
  color: var(--muted);
  font-size: clamp(.95rem, 1.4vw, 1.08rem);
}
.hero-actions{
  margin-top: 34px;
  display:flex; gap:16px; flex-wrap:wrap; justify-content:center;
}

.hero-stage{
  position:relative;
  width:min(920px, 92vw);
  height: clamp(320px, 46vw, 560px);
  margin-top: clamp(-40px, -4vw, -10px);
  z-index:1;
}
model-viewer{ width:100%; height:100%; --poster-color: transparent; }
.model-poster{ width:100%; height:100%; display:flex; align-items:center; justify-content:center; }
.model-spinner{
  width:46px; height:46px; border-radius:50%;
  border: 3px solid rgba(7,239,236,.2); border-top-color: var(--teal-bright);
  animation: spin 1s linear infinite;
}
@keyframes spin{ to{ transform: rotate(360deg); } }

.scroll-cue{
  position:absolute; bottom: 30px; inset-inline-start:50%; transform: translateX(-50%);
  width:26px; height:42px; border:2px solid var(--border-strong); border-radius:20px;
  display:flex; justify-content:center; padding-top:8px; z-index:2;
}
[dir="rtl"] .scroll-cue{ transform: translateX(50%); }
.scroll-cue span{
  width:4px; height:8px; border-radius:3px; background: var(--teal-bright);
  animation: cue 1.8s ease-in-out infinite;
}
@keyframes cue{
  0%{ transform: translateY(0); opacity:1; }
  60%{ opacity:.3; }
  100%{ transform: translateY(14px); opacity:0; }
}

/* ============ SECTIONS ============ */
.section{ padding-block: clamp(80px, 9vw, 130px); position:relative; }
.section.alt{ background: linear-gradient(180deg, transparent, rgba(255,255,255,.015) 8%, rgba(255,255,255,.015) 92%, transparent); }

.kicker{
  color: var(--teal-bright); font-weight:700; font-size:.9rem; letter-spacing:.4px;
  margin-bottom: 14px;
}
.section-head h2{
  font-size: clamp(1.9rem, 4vw, 3rem);
  font-weight:800; line-height:1.25; letter-spacing:-.01em;
}
.section-desc{
  color: var(--muted); margin-top:16px; max-width:640px; font-size:1.05rem;
}
.section-head.center{ text-align:center; }
.section-head.center .section-desc{ margin-inline:auto; }

/* about */
.about-grid{
  display:grid; grid-template-columns: .8fr 1fr; gap: 60px; align-items:start;
}
.about-body p{ color: var(--muted); font-size:1.05rem; }
.about-body p + p{ margin-top:18px; }
.about-tags{ display:flex; flex-wrap:wrap; gap:10px; margin-top:26px; }
.about-tags span{
  border:1px solid var(--border); padding:9px 18px; border-radius:999px;
  font-size:.88rem; font-weight:600; color: var(--white);
  background: rgba(255,255,255,.02);
}

/* service / upgrade cards */
.service-grid{
  display:grid; grid-template-columns: repeat(2, 1fr); gap: 22px; margin-top: 50px;
}
.service-card, .upgrade-card{
  background: var(--surface);
  border:1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px;
  transition: transform .5s var(--ease), border-color .5s var(--ease), background .5s var(--ease);
  position:relative;
  overflow:hidden;
}
.service-card::before, .upgrade-card::before{
  content:""; position:absolute; inset:0; opacity:0; transition: opacity .5s var(--ease);
  background: radial-gradient(340px 200px at 85% -10%, rgba(7,239,236,.14), transparent 70%);
}
.service-card:hover, .upgrade-card:hover{
  transform: translateY(-6px); border-color: var(--teal-dim);
  background: var(--surface-2);
}
.service-card:hover::before, .upgrade-card:hover::before{ opacity:1; }
.service-icon{
  width:56px; height:56px; color: var(--teal-bright);
  margin-bottom: 22px;
}
.service-icon svg{ width:100%; height:100%; }
.service-card h3, .upgrade-card h3{ font-size:1.25rem; font-weight:800; margin-bottom:10px; }
.service-card p, .upgrade-card p{ color: var(--muted); font-size:.98rem; }

.upgrade-grid{
  display:grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top:50px;
}
.upgrade-card.hero-upgrade{
  grid-column: 1 / -1;
  padding:0; display:grid; grid-template-columns: 1.1fr 1fr; align-items:stretch; min-height:260px;
}
.upgrade-card.hero-upgrade img{
  width:100%; height:100%; object-fit:cover; object-position: 30% 20%;
  grid-column:1; grid-row:1;
}
.upgrade-overlay{
  grid-column:2; grid-row:1;
  display:flex; flex-direction:column; justify-content:center; padding: 40px 44px;
  background: linear-gradient(180deg, var(--surface), var(--surface-2));
}
.upgrade-overlay h3{ font-size:1.5rem; margin-bottom:12px; }
.upgrade-overlay p{ color:var(--muted); }

/* designs */
.design-showcase{
  display:grid; grid-template-columns: 1fr 1fr; gap: 34px; margin-top:56px;
}
.design-frame{ margin:0; }
.design-frame.offset{ margin-top: 64px; }
.design-frame img{
  width:100%; aspect-ratio: 4/5; object-fit:cover; border-radius: var(--radius);
  border:1px solid var(--border);
  transition: transform .7s var(--ease);
}
.design-frame:hover img{ transform: scale(1.02); }
.design-frame figcaption{
  margin-top:16px; color: var(--muted-2); font-size:.85rem; font-weight:600;
  text-transform: uppercase; letter-spacing:.4px;
}
.design-note{
  margin-top: 50px; text-align:center;
}
.design-note p{
  font-size: clamp(1.1rem, 2vw, 1.4rem); font-weight:700; max-width:700px; margin-inline:auto;
  color: var(--white);
}

/* portfolio */
.portfolio-grid{
  display:grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top:50px;
}
.portfolio-item{
  position:relative; display:block; width:100%; border-radius: var(--radius);
  overflow:hidden; aspect-ratio: 4/5; border:1px solid var(--border);
}
.portfolio-item img{
  width:100%; height:100%; object-fit:cover;
  transition: transform .8s var(--ease), filter .8s var(--ease);
}
.portfolio-item::after{
  content:""; position:absolute; inset:0;
  background: linear-gradient(180deg, transparent 55%, rgba(0,0,0,.75));
  opacity:.6; transition: opacity .5s var(--ease);
}
.portfolio-item:hover img{ transform: scale(1.08); }
.portfolio-item:hover::after{ opacity:.85; }
.portfolio-tag{
  position:absolute; bottom:18px; inset-inline-start:18px; z-index:2;
  background: rgba(6,158,156,.92); color:#03120f;
  font-weight:700; font-size:.8rem; padding:7px 16px; border-radius:999px;
}

/* pricing */
.pricing-card{
  display:grid; grid-template-columns: 1.3fr 1fr;
  background: var(--surface);
  border:1px solid var(--border-strong);
  border-radius: 28px;
  overflow:hidden;
  position:relative;
}
.pricing-card::before{
  content:""; position:absolute; inset:0; pointer-events:none;
  background: radial-gradient(500px 300px at 100% 0%, rgba(7,239,236,.16), transparent 70%);
}
.pricing-info{ padding: clamp(36px, 5vw, 60px); }
.pricing-factors{ margin-top:26px; display:flex; flex-direction:column; gap:12px; }
.pricing-factors li{
  position:relative; padding-inline-start:30px; color: var(--white); font-weight:600; font-size:.98rem;
}
.pricing-factors li::before{
  content:"✓"; position:absolute; inset-inline-start:0; top:0;
  color: var(--teal-bright); font-weight:900;
}
.pricing-figure{
  background: linear-gradient(160deg, var(--teal-deep), var(--surface) 60%);
  padding: clamp(36px, 5vw, 60px);
  display:flex; flex-direction:column; align-items:center; justify-content:center; text-align:center;
  gap:6px; border-inline-start:1px solid var(--border);
}
.pricing-label{ color: var(--muted); font-weight:700; }
.pricing-amount{
  font-size: clamp(2.6rem, 5vw, 4rem); font-weight:900; line-height:1;
  background: linear-gradient(90deg, var(--teal-bright), var(--teal));
  -webkit-background-clip:text; background-clip:text; color:transparent;
}
.pricing-amount small{ font-size:1.2rem; font-weight:700; }
.pricing-amount.small{ font-size: clamp(1.8rem, 3.4vw, 2.6rem); }
.pricing-to{ color: var(--muted); font-weight:700; margin-block:2px; }
.pricing-note{ color: var(--muted-2); font-size:.85rem; margin-bottom: 18px; }

/* contact */
.contact-grid{
  display:grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top:50px;
}
.contact-card{
  background: var(--surface); border:1px solid var(--border); border-radius: var(--radius);
  padding: 34px; text-align:center;
  display:flex; flex-direction:column; align-items:center; gap:8px;
  transition: transform .4s var(--ease), border-color .4s var(--ease), background .4s var(--ease);
}
.contact-card:hover{ transform: translateY(-6px); border-color: var(--teal-dim); }
.contact-icon{ width:44px; height:44px; color: var(--teal-bright); margin-bottom:8px; }
.contact-icon svg{ width:100%; height:100%; }
.contact-card h3{ font-size:1.1rem; font-weight:800; }
.contact-card p{ color: var(--muted); font-weight:600; }
.contact-card p a{ transition: color .3s var(--ease); }
.contact-card p a:hover{ color: var(--teal-bright); }
.contact-cta{ margin-top:8px; color: var(--teal-bright); font-weight:700; font-size:.9rem; }
.contact-card.whatsapp{
  background: linear-gradient(160deg, var(--teal), var(--teal-dim));
  border-color: transparent; color:#03120f;
}
.contact-card.whatsapp .contact-icon{ color:#03120f; }
.contact-card.whatsapp p, .contact-card.whatsapp .contact-cta{ color:#04231f; }
.contact-card.whatsapp:hover{ transform: translateY(-6px) scale(1.01); }

/* ============ FOOTER ============ */
.site-footer{
  border-top:1px solid var(--border);
  padding-block: 60px 30px;
  text-align:center;
}
.footer-inner{ display:flex; flex-direction:column; align-items:center; gap:20px; }
.footer-brand{ justify-content:center; }
.footer-slogan{ color: var(--muted); font-weight:600; }
.footer-nav{ display:flex; flex-wrap:wrap; justify-content:center; gap:24px; }
.footer-nav a{ color: var(--muted); font-size:.92rem; font-weight:600; transition: color .3s; }
.footer-nav a:hover{ color: var(--teal-bright); }
.footer-social{ display:flex; gap:18px; }
.footer-social a{
  border:1px solid var(--border); padding:8px 20px; border-radius:999px; font-size:.85rem; font-weight:700;
  transition: border-color .3s, color .3s;
}
.footer-social a:hover{ border-color: var(--teal-bright); color: var(--teal-bright); }
.footer-bottom{ margin-top:20px; color: var(--muted-2); font-size:.8rem; display:flex; flex-direction:column; gap:6px; }
.footer-bottom a{ color: var(--muted); text-decoration:underline; text-underline-offset:3px; }

/* ============ WHATSAPP FLOAT ============ */
.whatsapp-float{
  position:fixed; bottom: 24px; left: 24px; z-index: 900;
  width:58px; height:58px; border-radius:50%;
  background: linear-gradient(135deg, var(--teal-bright), var(--teal));
  display:flex; align-items:center; justify-content:center;
  color:#03120f; box-shadow: 0 10px 30px -6px rgba(6,158,156,.6);
  animation: float-pulse 2.8s ease-in-out infinite;
  transition: transform .3s var(--ease);
}
.whatsapp-float svg{ width:28px; height:28px; }
.whatsapp-float:hover{ transform: scale(1.08); }
@keyframes float-pulse{
  0%,100%{ box-shadow: 0 10px 30px -6px rgba(6,158,156,.6); }
  50%{ box-shadow: 0 10px 40px -4px rgba(7,239,236,.85); }
}

/* ============ LIGHTBOX ============ */
.lightbox{
  position:fixed; inset:0; z-index: 2000;
  background: rgba(4,5,6,.94); backdrop-filter: blur(10px);
  display:flex; flex-direction:column; align-items:center; justify-content:center;
  opacity:0; visibility:hidden; transition: opacity .4s var(--ease), visibility .4s;
  padding: 40px;
}
.lightbox.open{ opacity:1; visibility:visible; }
.lightbox img{
  max-width: min(880px, 88vw); max-height:76vh; border-radius:16px;
  transform: scale(.92); transition: transform .4s var(--ease);
  box-shadow: 0 30px 80px -20px rgba(0,0,0,.7);
}
.lightbox.open img{ transform: scale(1); }
#lightbox-caption{ margin-top:18px; color: var(--muted); font-weight:600; }
.lightbox-close{
  position:absolute; top:24px; inset-inline-end:24px; font-size:1.4rem; color:var(--white);
  width:44px; height:44px; border:1px solid var(--border); border-radius:50%;
}
.lightbox-close:hover{ border-color: var(--teal-bright); color: var(--teal-bright); }
.lightbox-nav{
  position:absolute; top:50%; transform: translateY(-50%);
  font-size:2.4rem; color: var(--white); width:56px; height:56px;
  display:flex; align-items:center; justify-content:center;
  border:1px solid var(--border); border-radius:50%;
}
.lightbox-nav:hover{ border-color: var(--teal-bright); color: var(--teal-bright); }
.lightbox-nav.prev{ inset-inline-start:24px; }
.lightbox-nav.next{ inset-inline-end:24px; }

/* ============ RESPONSIVE ============ */
@media (max-width: 980px){
  .main-nav{ display:none; }
  .nav-toggle{ display:flex; }
  .header-cta{ display:none; }
  .brand{ margin-inline-end:auto; }

  .main-nav.open{
    display:flex; position:fixed; inset:0; z-index:999;
    background: rgba(6,8,9,.98); backdrop-filter: blur(20px);
    flex-direction:column; align-items:center; justify-content:center; gap:30px;
  }
  .main-nav.open a{ font-size:1.5rem; }

  .about-grid{ grid-template-columns:1fr; gap:30px; }
  .service-grid{ grid-template-columns:1fr; }
  .upgrade-grid{ grid-template-columns:1fr; }
  .upgrade-card.hero-upgrade{ grid-template-columns:1fr; }
  .upgrade-card.hero-upgrade img{ grid-row:1; grid-column:1; height:220px; }
  .upgrade-overlay{ grid-row:2; grid-column:1; }
  .design-showcase{ grid-template-columns:1fr; }
  .design-frame.offset{ margin-top:0; }
  .portfolio-grid{ grid-template-columns: repeat(2,1fr); }
  .pricing-card{ grid-template-columns:1fr; }
  .pricing-figure{ border-inline-start:none; border-top:1px solid var(--border); }
  .contact-grid{ grid-template-columns:1fr; }
}

@media (max-height: 820px) and (min-width: 981px){
  .hero{ padding-top: 84px; }
  .eyebrow{ margin-bottom:10px; }
  .hero-title{ font-size: clamp(2.6rem, 7vw, 5.4rem); }
  .hero-slogan{ margin-top:12px; }
  .hero-sub{ margin-top:10px; }
  .hero-actions{ margin-top:20px; }
  .hero-stage{ height: clamp(220px, 32vw, 360px); margin-top: clamp(-20px, -2vw, 0px); }
}

@media (max-width: 560px){
  .portfolio-grid{ grid-template-columns:1fr; }
  .hero{ padding-top:100px; }
  .lightbox-nav{ width:44px; height:44px; font-size:1.8rem; }
  .lightbox-nav.prev{ inset-inline-start:8px; }
  .lightbox-nav.next{ inset-inline-end:8px; }
  .whatsapp-float{ width:52px; height:52px; bottom:16px; left:16px; }
}