/* ─── RESET & TOKENS ─────────────────────── */
*,*::before,*::after { box-sizing:border-box; margin:0; padding:0; }
:root {
  --black: #111111;     /* Primary text color */
  --white: #F0F0F0;     /* Pearl gray background */
  --off: #E5E5E5;       /* Card background */
  --gray1: #C4C4C4;
  --gray2: #888888;
  --gray3: #555555;
  --accent: #F2C94C;    /* Premium Architectural Yellow */
  --line: rgba(17,17,17,.08); 
  --wline: rgba(255,255,255,.09);
  --serif: 'Space Grotesk', sans-serif;
  --sans: 'Inter', sans-serif;
  --radius: 40px;       /* Massive border radius for SaaS look */
}
html { scroll-behavior: smooth; font-size: 16px; background: var(--white); }
body {
  background: var(--white);
  color: var(--black);
  font-family: var(--sans);
  font-weight: 400;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  /* Cinematic Architectural Background Grid */
  background-image: 
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 80px 80px;
}

/* ─── NAV ─────────────────────────────────── */
nav {
  position: fixed; top: 1.5rem; left: 5vw; right: 5vw; z-index: 200;
  height: 64px; display: flex; align-items: center; justify-content: space-between;
  padding: 0 1.5rem 0 2rem;
  background: rgba(255, 255, 255, 0.4);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid rgba(255, 255, 255, 0.6);
  border-radius: 100px;
  box-shadow: 0 10px 40px rgba(0,0,0,0.04);
  transition: .4s;
}
nav.scrolled {
  background: rgba(242, 240, 233, 0.85);
  border-color: rgba(26,26,26,0.06);
}
.nav-logo { font-family: var(--serif); font-size: 1.4rem; font-weight: 500; text-decoration: none; color: var(--black); letter-spacing: .02em; flex-shrink: 0; }
.nav-logo em { font-style: normal; font-weight: 600; color: var(--accent); }
.nav-right { display: flex; align-items: center; gap: 1rem; flex-shrink: 0; }
.nav-cta {
  font-size: .65rem; font-weight: 600; letter-spacing: .12em; text-transform: uppercase;
  color: var(--black); background: var(--accent);
  border: none; border-radius: 100px; padding: .8rem 1.8rem;
  text-decoration: none; transition: transform .3s, box-shadow .3s;
  box-shadow: 0 4px 15px rgba(242, 201, 76, 0.25);
}
.nav-cta:hover { transform: translateY(-2px); box-shadow: 0 8px 25px rgba(242, 201, 76, 0.4); }
.nav-menu-btn { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 4px; }
.nav-menu-btn span { display: block; width: 22px; height: 1.5px; background: var(--black); transition: .4s; }

/* ─── OVERLAY ───────────────────────────────*/
#ov { position: fixed; inset: 0; z-index: 300; display: grid; grid-template-columns: min(380px,85vw) 1fr; pointer-events: none; }
#ov.on { pointer-events: all; }
.ov-panel { background: var(--white); padding: 2.5rem; display: flex; flex-direction: column; transform: translateX(-100%); transition: transform .55s cubic-bezier(.77,0,.18,1); border-right: 1px solid var(--line); }
#ov.on .ov-panel { transform: none; }
.ov-scrim { background: rgba(0,0,0,.25); backdrop-filter: blur(8px); opacity: 0; transition: opacity .45s; }
#ov.on .ov-scrim { opacity: 1; }
.ov-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 4rem; }
.ov-logo { font-family: var(--serif); font-size: 1.2rem; color: var(--black); font-weight: 500; }
.ov-logo em { font-style: normal; font-weight: 600; color: var(--accent); }
.ov-close { background: var(--off); border: none; color: var(--black); border-radius: 50%; width: 44px; height: 44px; cursor: pointer; font-size: 1.2rem; display: flex; align-items: center; justify-content: center; transition: background .2s; }
.ov-close:hover { background: var(--gray1); }
.ov-nav { list-style: none; }
.ov-nav li { border-bottom: 1px solid var(--line); }
.ov-nav a { display: flex; align-items: baseline; justify-content: space-between; padding: 1.2rem 0; text-decoration: none; transition: transform .3s; }
.ov-nav a:hover { transform: translateX(10px); }
.ov-nav .n { font-size: .55rem; letter-spacing: .2em; color: var(--gray2); margin-right: 1.5rem; font-weight: 500;}
.ov-nav .t { font-family: var(--serif); font-size: 1.8rem; font-weight: 400; color: var(--black); }
.ov-nav .arr { font-size: .75rem; color: var(--gray2); }
.ov-foot { margin-top: auto; padding-top: 2rem; }
.ov-foot p { font-size: .55rem; letter-spacing: .2em; text-transform: uppercase; color: var(--gray2); margin-bottom: .8rem; font-weight: 500; }
.ov-foot a { display: block; font-size: .95rem; color: var(--black); font-weight: 500; text-decoration: none; margin-bottom: .4rem; transition: color .2s; }
.ov-foot a:hover { color: var(--accent); }

/* ─── HERO ───────────────────────────────── */
#hero { min-height: 100svh; display: flex; flex-direction: column; justify-content: center; padding: 120px 5vw 60px; position: relative; }
.hero-body { display: grid; grid-template-columns: 1fr 44vw; align-items: center; gap: 4vw; z-index: 1; }
.hero-text { padding-bottom: 2vw; }
.hero-label { display: inline-block; padding: .6rem 1.2rem; border-radius: 100px; border: 1px solid var(--line); font-size: .55rem; font-weight: 600; letter-spacing: .2em; text-transform: uppercase; color: var(--gray3); margin-bottom: 2.5rem; animation: up .8s ease .1s both; background: var(--white); }
h1 { font-family: var(--serif); font-size: clamp(3.5rem, 8vw, 8.5rem); font-weight: 400; line-height: .95; letter-spacing: -.03em; color: var(--black); margin-bottom: 2rem; animation: up .9s ease .2s both; }
h1 em { font-style: normal; font-weight: 600; color: var(--accent); }
.hero-desc { font-size: .95rem; line-height: 1.8; color: var(--gray3); max-width: 440px; margin-bottom: 3.5rem; animation: up .8s ease .35s both; font-weight: 400; }
.hero-btns { display: flex; gap: 1rem; animation: up .8s ease .45s both; }
.btn-w { text-decoration: none; font-size: .68rem; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; padding: 1rem 2.4rem; border-radius: 100px; background: var(--accent); color: var(--black); transition: opacity .2s, transform .3s, box-shadow .3s; box-shadow: 0 4px 20px rgba(242, 201, 76, 0.2); }
.btn-w:hover { opacity: .95; transform: translateY(-3px); box-shadow: 0 10px 30px rgba(242, 201, 76, 0.35); }
.btn-o { text-decoration: none; font-size: .68rem; font-weight: 500; letter-spacing: .1em; text-transform: uppercase; padding: 1rem 2.4rem; border-radius: 100px; border: 1px solid var(--line); color: var(--black); transition: border-color .2s, background .2s; }
.btn-o:hover { border-color: var(--black); background: var(--off); }
.hero-projects-grid { align-self: stretch; display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; min-height: 500px; animation: up .9s ease .3s both; }
.hero-pg-col { display: flex; flex-direction: column; gap: 1rem; }
.hero-pg-item { position: relative; overflow: hidden; border-radius: 24px; display: block; text-decoration: none; background: var(--gray1); }
.hero-pg-item.main { height: 100%; border-radius: var(--radius); }
.hero-pg-col .hero-pg-item { flex: 1; border-radius: 20px; }
.hero-pg-item img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.5s cubic-bezier(0.2, 0.8, 0.2, 1); filter: grayscale(100%); z-index: 0; position: relative; }
.hero-pg-item:hover img { transform: scale(1.05); filter: grayscale(0%); }
.hero-pg-item::after { content: ''; position: absolute; inset: 0; background: linear-gradient(to top, rgba(0,0,0,0.9) 0%, rgba(0,0,0,0.4) 30%, transparent 70%); z-index: 1; pointer-events: none; mix-blend-mode: multiply; }
.hpg-label { position: absolute; bottom: 1.5rem; left: 1.5rem; color: var(--white); font-family: var(--serif); font-weight: 500; font-size: clamp(1rem, 2vw, 1.4rem); z-index: 2; }
.hero-pg-item.main .hpg-label { font-size: clamp(1.4rem, 3vw, 2rem); bottom: 2rem; left: 2rem; }
.hero-bar { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; margin-top: 4rem; z-index: 1; }
.hb { background: var(--off); padding: 2rem 2.5rem; border-radius: 24px; animation: up .7s ease .6s both; }
.hb:last-child { background: transparent; display: flex; align-items: center; justify-content: center; padding: 0; }
.hb-n { font-family: var(--serif); font-size: 2.5rem; font-weight: 400; color: var(--black); line-height: 1; }
.hb-l { font-size: .52rem; font-weight: 600; letter-spacing: .16em; text-transform: uppercase; color: var(--gray3); margin-top: .6rem; }
.hb-p { font-size: .85rem; line-height: 1.7; color: var(--gray3); }
.scroll-btn { display: flex; flex-direction: column; align-items: center; gap: .8rem; text-decoration: none; cursor: pointer; background: none; border: none; padding: 0; }
.scroll-btn .sa-circle { width: 56px; height: 56px; border-radius: 50%; border: 1px solid var(--line); display: flex; align-items: center; justify-content: center; transition: border-color .3s, transform .3s; background: var(--off); }
.scroll-btn:hover .sa-circle { border-color: var(--black); transform: translateY(4px); }
.scroll-btn .sa-circle svg { width: 16px; height: 16px; stroke: var(--black); fill: none; stroke-width: 1.5; }
.scroll-btn span { font-size: .55rem; font-weight: 600; letter-spacing: .2em; text-transform: uppercase; color: var(--gray3); }

/* ─── WHY US ─────────────────────────────── */
#why { padding: 120px 5vw; }
.why-inner { background: var(--off); border-radius: var(--radius); padding: 6rem 5vw; border: 1px solid rgba(255,255,255,0.5); box-shadow: 0 10px 40px rgba(0,0,0,0.02); }
.section-tag { font-size: .55rem; font-weight: 600; letter-spacing: .25em; text-transform: uppercase; color: var(--gray3); margin-bottom: 1.5rem; display: flex; align-items: center; gap: .8rem; }
.section-tag::before { content: ''; width: 24px; height: 2px; background: var(--accent); }
.section-h { font-family: var(--serif); font-size: clamp(2.5rem, 4vw, 4rem); font-weight: 400; line-height: 1.05; letter-spacing: -.02em; margin-bottom: 5rem; color: var(--black); }
.section-h em { font-style: normal; font-weight: 600; color: var(--accent); }
.why-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2rem; }
.why-card { padding: 2.5rem; background: var(--white); border-radius: 28px; transition: transform .3s, box-shadow .3s; }
.why-card:hover { transform: translateY(-8px); box-shadow: 0 16px 40px rgba(0,0,0,0.05); }
.why-icon { width: 56px; height: 56px; border-radius: 50%; background: var(--accent); display: flex; align-items: center; justify-content: center; margin-bottom: 2rem; transition: transform .3s; }
.why-card:hover .why-icon { transform: scale(1.1); background: var(--black); }
.why-card:hover .why-icon svg { stroke: var(--accent); }
.why-icon svg { width: 24px; height: 24px; stroke: var(--black); fill: none; stroke-width: 2; transition: stroke .3s; }
.why-title { font-family: var(--serif); font-size: 1.3rem; font-weight: 500; margin-bottom: .8rem; color: var(--black); }
.why-text { font-size: .85rem; line-height: 1.7; color: var(--gray3); }

/* ─── ABOUT ──────────────────────────────── */
#about { padding: 0 5vw 120px; }
.about-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 4vw; }
.about-l { padding: 4rem 0; display: flex; flex-direction: column; justify-content: center; }
.about-desc { font-size: .95rem; line-height: 1.8; color: var(--gray3); margin-bottom: 3.5rem; max-width: 500px; }
.about-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem 4rem; }
.ast-n { font-family: var(--serif); font-size: 2.8rem; font-weight: 500; color: var(--black); line-height: 1; margin-bottom: .4rem; }
.ast-l { font-size: .55rem; font-weight: 600; letter-spacing: .16em; text-transform: uppercase; color: var(--gray3); }
.about-r { position: relative; overflow: hidden; border-radius: var(--radius); min-height: 600px; box-shadow: 0 20px 50px rgba(0,0,0,0.06); }
.about-r img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: filter 1s ease, transform 1.5s cubic-bezier(.25,.46,.45,.94); filter: grayscale(100%); }
.about-r:hover img { filter: grayscale(0%); transform: scale(1.05); }

/* ─── PROJECTS ───────────────────────────── */
#projects { padding: 120px 0; background: var(--off); border-radius: 48px; margin: 0 2vw; }
.proj-head { display: flex; justify-content: space-between; align-items: flex-end; padding: 0 5vw 4rem; }
.proj-head-r { display: flex; flex-direction: column; align-items: flex-end; gap: .8rem; }
.proj-count { font-size: .65rem; font-weight: 600; letter-spacing: .2em; text-transform: uppercase; color: var(--gray3); }
.proj-nav-btn { position: absolute; top: calc(50% + 40px); transform: translateY(-50%); z-index: 10; width: 56px; height: 56px; border-radius: 50%; border: 1px solid var(--line); background: var(--white); box-shadow: 0 4px 16px rgba(0,0,0,0.05); cursor: pointer; display: flex; justify-content: center; align-items: center; transition: all .3s; outline: none; }
.btn-prev { left: 1rem; }
.btn-next { right: 1rem; }
.proj-nav-btn:hover { background: var(--black); border-color: var(--black); transform: translateY(-50%) scale(1.05); }
.proj-nav-btn svg { width: 18px; height: 18px; stroke: var(--black); fill: none; stroke-width: 1.5; transition: stroke .3s; }
.proj-nav-btn:hover svg { stroke: var(--white); }
@media(max-width:768px){ .proj-nav-btn { display: none; } }
.proj-scroll { overflow-x: auto; display: flex; gap: 2rem; padding: 0 5vw 4rem; scrollbar-width: none; }
.proj-scroll::-webkit-scrollbar { display: none; }
.proj-card { flex-shrink: 0; width: clamp(400px, 45vw, 640px); display: flex; flex-direction: column; cursor: pointer; transition: width 0.8s cubic-bezier(.25,.46,.45,.94); }
.proj-card:hover { width: clamp(550px, 60vw, 840px); }
.proj-card:first-child { width: clamp(520px, 60vw, 840px); }
.proj-card:first-child:hover { width: clamp(600px, 65vw, 900px); }
.proj-img { position: relative; overflow: hidden; border-radius: 32px; aspect-ratio: 4/3; background: var(--gray1); box-shadow: 0 10px 30px rgba(0,0,0,0.05); }
.proj-card:first-child .proj-img { aspect-ratio: 16/10; }
.proj-photo { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform 1.2s cubic-bezier(.25,.46,.45,.94), filter 1.2s cubic-bezier(.25,.46,.45,.94); filter: grayscale(100%); }
.proj-card:hover .proj-photo { transform: scale(1.05); filter: grayscale(0%); }
.proj-fog { position: absolute; inset: 0; background: linear-gradient(to top, rgba(26,26,26,.85) 0%, transparent 50%); border-radius: 32px; }
.proj-info { position: absolute; bottom: 0; left: 0; right: 0; padding: 2.5rem; }
.proj-num { display: inline-block; padding: .4rem .8rem; border-radius: 8px; background: rgba(255,255,255,0.2); backdrop-filter: blur(8px); font-size: .55rem; font-weight: 600; letter-spacing: .15em; text-transform: uppercase; color: #fff; margin-bottom: 1rem; }
.proj-class { font-size: .6rem; font-weight: 500; letter-spacing: .15em; text-transform: uppercase; color: rgba(255,255,255,.7); margin-bottom: .4rem; }
.proj-name { font-family: var(--serif); font-size: clamp(2rem, 3vw, 3rem); font-weight: 400; color: #fff; line-height: 1; margin-bottom: .6rem; }
.proj-loc { font-size: .8rem; color: rgba(255,255,255,.6); }
.proj-arrow { position: absolute; top: 2rem; right: 2rem; width: 48px; height: 48px; border-radius: 50%; background: #fff; display: flex; align-items: center; justify-content: center; opacity: 0; transform: scale(.8) rotate(-45deg); transition: all .4s cubic-bezier(.25,.46,.45,.94); }
.proj-card:hover .proj-arrow { opacity: 1; transform: scale(1) rotate(0); }
.proj-arrow svg { width: 18px; height: 18px; stroke: var(--black); fill: none; stroke-width: 1.5; }
.proj-foot { padding: 1.5rem 1rem 0; display: flex; justify-content: space-between; align-items: center; }
.proj-date { font-size: .65rem; font-weight: 600; letter-spacing: .15em; text-transform: uppercase; color: var(--gray3); }

/* ─── PROGRESS ───────────────────────────── */
#progress { padding: 120px 5vw; }
.prog-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2vw; margin-top: 5rem; }
.prog-item { background: var(--off); padding: 3rem; border-radius: 32px; border: 1px solid rgba(255,255,255,0.6); box-shadow: 0 10px 40px rgba(0,0,0,0.02); }
.prog-name { font-family: var(--serif); font-size: 1.6rem; font-weight: 500; margin-bottom: .4rem; color: var(--black); }
.prog-class { font-size: .65rem; font-weight: 500; letter-spacing: .12em; text-transform: uppercase; color: var(--gray3); margin-bottom: 2.5rem; }
.prog-stage { font-size: .75rem; font-weight: 500; color: var(--black); margin-bottom: 1rem; display: flex; justify-content: space-between; }
.prog-bar { height: 4px; background: rgba(26,26,26,0.08); border-radius: 4px; position: relative; margin-bottom: 1.8rem; overflow: hidden; }
.prog-fill { position: absolute; top: 0; left: 0; bottom: 0; background: var(--accent); border-radius: 4px; transition: width 1.2s cubic-bezier(.25,.46,.45,.94); }
.prog-note { font-size: .85rem; color: var(--gray3); line-height: 1.7; }

/* ─── TESTIMONIALS ───────────────────────── */
#reviews { padding: 0 5vw 120px; }
.rev-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2vw; margin-top: 4rem; }
.rev-card { background: var(--off); padding: 3rem 2.5rem; border-radius: 32px; transition: transform .3s; }
.rev-card:hover { transform: translateY(-6px); }
.rev-stars { display: flex; gap: .3rem; margin-bottom: 1.5rem; }
.rev-stars svg { width: 16px; height: 16px; fill: var(--accent); }
.rev-text { font-size: 1rem; line-height: 1.8; color: var(--black); margin-bottom: 2.5rem; font-style: normal; font-weight: 600; font-family: var(--serif); }
.rev-author { display: flex; align-items: center; gap: 1rem; }
.rev-av { width: 44px; height: 44px; border-radius: 50%; background: var(--white); display: flex; align-items: center; justify-content: center; font-family: var(--serif); font-size: 1.2rem; font-weight: 500; color: var(--accent); }
.rev-name { font-size: .9rem; font-weight: 600; color: var(--black); }
.rev-tag { font-size: .65rem; font-weight: 500; letter-spacing: .05em; color: var(--gray3); margin-top: .2rem; }

/* ─── CALCULATOR ─────────────────────────── */
#calc { background: var(--black); color: var(--white); padding: 120px 5vw; border-radius: 48px; margin: 0 2vw; margin-bottom: 120px; }
#calc .section-h, #calc .section-tag, #calc .ast-n { color: var(--white); }
#calc .section-tag::before { background: var(--white); }
.calc-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 8vw; align-items: start; }
.calc-desc { font-size: .95rem; line-height: 1.8; color: rgba(255,255,255,.6); margin-top: 2rem; }
.calc-r { padding-top: 1rem; }
.c-field { margin-bottom: 2.5rem; }
.c-label { display: flex; justify-content: space-between; font-size: .65rem; font-weight: 600; letter-spacing: .15em; text-transform: uppercase; color: rgba(255,255,255,.5); margin-bottom: 1.2rem; }
.c-val { font-family: var(--serif); font-style: normal; font-weight: 600; color: #fff; font-size: 1.1rem; text-transform: none; font-weight: 400; letter-spacing: 0; }
.c-slider { -webkit-appearance: none; width: 100%; height: 2px; background: rgba(255,255,255,.15); outline: none; cursor: pointer; border-radius: 2px; }
.c-slider::-webkit-slider-thumb { -webkit-appearance: none; width: 24px; height: 24px; border-radius: 50%; background: #fff; cursor: pointer; box-shadow: 0 2px 10px rgba(0,0,0,.2); }
.c-select { display: flex; gap: .8rem; flex-wrap: wrap; }
.c-opt { padding: .8rem 1.6rem; border-radius: 100px; border: 1px solid rgba(255,255,255,.2); font-size: .75rem; font-weight: 500; letter-spacing: .05em; cursor: pointer; color: rgba(255,255,255,.6); transition: all .2s; background: none; font-family: var(--sans); }
.c-opt.active, .c-opt:hover { background: #fff; color: var(--black); border-color: #fff; }
.c-result { background: rgba(255,255,255,.04); border-radius: 24px; padding: 2.5rem; margin-top: 3rem; border: 1px solid rgba(255,255,255,.08); }
.c-result-label { font-size: .65rem; font-weight: 600; letter-spacing: .2em; text-transform: uppercase; color: rgba(255,255,255,.5); margin-bottom: .8rem; }
.c-result-val { font-family: var(--serif); font-size: clamp(2.5rem, 4vw, 4rem); font-weight: 400; font-style: normal; font-weight: 600; color: #fff; line-height: 1; }
.c-result-sub { font-size: .8rem; color: rgba(255,255,255,.4); margin-top: 1rem; }
.c-note { font-size: .75rem; color: rgba(255,255,255,.3); margin-top: 1.5rem; line-height: 1.7; }

/* ─── FAQ ────────────────────────────────── */
#faq { padding: 0 5vw 120px; }
.faq-list { margin-top: 4rem; display: flex; flex-direction: column; gap: 1rem; }
.faq-item { background: var(--off); border-radius: 24px; overflow: hidden; border: 1px solid rgba(255,255,255,0.6); }
.faq-q { display: flex; justify-content: space-between; align-items: center; padding: 2rem 2.5rem; cursor: pointer; gap: 2rem; transition: background .3s; }
.faq-q:hover { background: rgba(0,0,0,0.02); }
.faq-q-text { font-family: var(--serif); font-size: 1.3rem; font-weight: 500; color: var(--black); }
.faq-icon { flex-shrink: 0; width: 44px; height: 44px; border-radius: 50%; background: var(--white); display: flex; align-items: center; justify-content: center; transition: transform .4s cubic-bezier(.25,.46,.45,.94); }
.faq-icon svg { width: 14px; height: 14px; stroke: var(--black); fill: none; stroke-width: 1.5; }
.faq-item.open .faq-icon { transform: rotate(45deg); background: var(--black); }
.faq-item.open .faq-icon svg { stroke: var(--white); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .6s cubic-bezier(.25,.46,.45,.94); }
.faq-item.open .faq-a { max-height: 500px; }
.faq-a-inner { padding: 0 2.5rem 2.5rem; font-size: .95rem; line-height: 1.8; color: var(--gray3); max-width: 760px; }

/* ─── CONTACT ────────────────────────────── */
#contact { padding: 120px 5vw; background: var(--off); border-radius: 48px 48px 0 0; margin: 0 2vw; }
.ct-top { display: grid; grid-template-columns: 1fr 1fr; gap: 8vw; padding-bottom: 6rem; border-bottom: 1px solid var(--line); }
.ct-desc { font-size: 1rem; line-height: 1.8; color: var(--gray3); margin: 2rem 0 3.5rem; max-width: 460px; }
.ct-contacts { display: flex; flex-direction: column; gap: 2rem; }
.cc label { display: block; font-size: .6rem; font-weight: 600; letter-spacing: .2em; text-transform: uppercase; color: var(--gray2); margin-bottom: .6rem; }
.cc a, .cc span { font-family: var(--serif); font-size: 1.6rem; color: var(--black); text-decoration: none; transition: color .2s; }
.cc a:hover { color: var(--accent); }
.ct-form-h { font-family: var(--serif); font-size: 2.2rem; font-weight: 400; color: var(--black); margin-bottom: .5rem; }
.ct-form-sub { font-size: .85rem; color: var(--gray2); margin-bottom: 3rem; }
.f-field { padding: 1.5rem 0; border-bottom: 1px solid var(--line); position: relative; }
.f-field:first-of-type { border-top: 1px solid var(--line); }
.f-field::after { content: ''; position: absolute; bottom: -1px; left: 0; width: 0; height: 1px; background: var(--black); transition: width .4s ease; }
.f-field:focus-within::after { width: 100%; }
.f-field label { display: block; font-size: .6rem; font-weight: 600; letter-spacing: .15em; text-transform: uppercase; color: var(--gray2); margin-bottom: .8rem; transition: color .3s; }
.f-field:focus-within label { color: var(--black); }
.f-field input, .f-field select { display: block; width: 100%; background: transparent; border: none; outline: none; font-family: var(--sans); font-size: 1.1rem; color: var(--black); }
.f-field input::placeholder { color: rgba(26,26,26, .3); }
.f-field select { appearance: none; cursor: pointer; display:none; /* fallback hide */ }
.f-pills { display: flex; gap: .6rem; flex-wrap: wrap; margin-top: 1rem; }
.f-pill { padding: .7rem 1.4rem; border-radius: 100px; border: 1px solid var(--line); font-size: .75rem; font-weight: 500; cursor: pointer; color: var(--gray3); transition: all .2s; background: transparent; font-family: var(--sans); outline: none; }
.f-pill.active, .f-pill:hover { background: var(--black); color: var(--white); border-color: var(--black); }
.f-actions { margin-top: 3rem; display: flex; align-items: center; gap: 2rem; }
.f-btn { font-family: var(--sans); font-size: .75rem; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; background: var(--accent); color: var(--black); border: none; border-radius: 100px; padding: 1.2rem 2.8rem; cursor: pointer; transition: transform .3s, box-shadow .3s; box-shadow: 0 4px 20px rgba(242, 201, 76, 0.2); }
.f-btn:hover { transform: translateY(-3px); box-shadow: 0 12px 30px rgba(242, 201, 76, 0.4); }
.f-hint { font-size: .7rem; color: var(--gray2); line-height: 1.6; max-width: 220px; }

/* ─── FOOTER ─────────────────────────────── */
footer { padding: 3rem 5vw 4rem; display: flex; justify-content: space-between; align-items: center; background: var(--white); }
.f-logo { font-family: var(--serif); font-size: 1.2rem; font-weight: 500; color: var(--black); text-decoration: none; }
.f-logo em { font-style: normal; font-weight: 600; color: var(--accent); }
.f-copy { font-size: .75rem; color: var(--gray2); }

/* ─── ANIMATIONS ─────────────────────────── */
.reveal { opacity: 0; transform: translateY(32px); transition: opacity 1s cubic-bezier(.25,.46,.45,.94), transform 1s cubic-bezier(.25,.46,.45,.94); }
.reveal.on { opacity: 1; transform: none; }
.d1 { transition-delay: .1s; } .d2 { transition-delay: .2s; } .d3 { transition-delay: .3s; }

/* ─── RESPONSIVE & PREMIUM MOBILE ─────────── */
@media(max-width:1100px){
  .hero-body { grid-template-columns: 1fr; gap: 4rem; text-align: center; }
  .hero-text { display: flex; flex-direction: column; align-items: center; }
  .hero-bar { grid-template-columns: repeat(2, 1fr); gap: 1rem; }
  .hb:last-child { display: none; }
  .about-inner, .calc-inner, .ct-top { grid-template-columns: 1fr; gap: 4rem; }
  .why-grid { grid-template-columns: 1fr 1fr; }
  .prog-grid, .rev-grid { grid-template-columns: 1fr; }
}

@media(max-width:768px){
  :root { 
    --radius: 32px; 
  }
  
  /* Sections General */
  #why, #about, #projects, #progress, #reviews, #calc, #faq, #contact { 
    padding: 80px 6%; 
  }
  #projects, #calc, #contact { margin: 0; border-radius: 0; }

  /* Navbar */
  nav { 
    top: 15px; left: 15px; right: 15px; 
    height: 56px; 
    padding: 0 1rem;
  }
  .nav-cta { display: none; }
  .nav-menu-btn { display: flex; }
  .lang-box { margin-right: 0.8rem; }

  /* Hero */
  #hero { padding-top: 140px; min-height: auto; }
  h1 { font-size: 3rem; line-height: 1.1; letter-spacing: -0.02em; }
  .hero-desc { font-size: 1rem; margin-bottom: 2.5rem; }
  .hero-btns { flex-direction: column; width: 100%; max-width: 340px; }
  .btn-w, .btn-o { width: 100%; text-align: center; padding: 1.2rem; }
  
  .hero-projects-grid { min-height: 380px; }
  .hero-bar { grid-template-columns: 1fr; }
  .hb { padding: 1.5rem; }

  /* Why Us */
  .why-grid { grid-template-columns: 1fr; gap: 1.5rem; }
  .section-h { font-size: 2.4rem; margin-bottom: 3.5rem; }

  /* About */
  .about-r { min-height: 400px; }
  .about-stats { gap: 2rem; }
  .ast-n { font-size: 2.2rem; }

  /* Projects */
  .proj-head { flex-direction: column; align-items: center; text-align: center; gap: 1.5rem; padding-bottom: 3rem; }
  .proj-head-r { align-items: center; }
  .proj-scroll { gap: 1.5rem; }
  .proj-card { width: 88vw; }
  .proj-card:first-child { width: 88vw; }
  .proj-info { padding: 1.5rem; }

  /* Progress Bar */
  .prog-grid { gap: 1.5rem; }
  .prog-item { padding: 2rem; }

  /* Calculator */
  .calc-r { padding-top: 2rem; }
  .c-result { padding: 2rem 1.5rem; margin-top: 2rem; }
  .c-result-val { font-size: 2.8rem; }
  .c-opt { padding: 0.7rem 1.2rem; font-size: 0.7rem; }

  /* FAQ */
  .faq-q { padding: 1.5rem; }
  .faq-q-text { font-size: 1.1rem; }
  .faq-a-inner { padding: 0 1.5rem 1.5rem; }

  /* Contact */
  .ct-top { padding-bottom: 4rem; }
  .cc a, .cc span { font-size: 1.4rem; }
  .f-actions { flex-direction: column; align-items: stretch; gap: 1.5rem; }
  .f-hint { max-width: 100%; text-align: center; }
  .f-btn { width: 100%; }

  footer { flex-direction: column; gap: 1.5rem; text-align: center; padding: 3rem 6%; }
}