/* ============================================================
   Alternative Consultants Limited — Pure PHP website
   Converted 1:1 from Next.js + Tailwind (tailwind.css values
   preserved exactly). No build step required.
   ============================================================ */
@import url('https://fonts.googleapis.com/css2?family=Manrope:wght@300;400;500;600;700;800&family=Playfair+Display:wght@400;500;600;700;800;900&display=swap');

:root {
  --primary: #1A1A1A;
  --primary-dark: #0D0D0D;
  --primary-light: #2B2B2B;
  --secondary: #F97316;
  --secondary-light: #FB923C;
  --secondary-dark: #C2410C;
  --accent: #A3E635;
  --accent-light: #D9F99D;
  --accent-dark: #65A30D;
  --background: #F5F6F8;
  --surface: #FFFFFF;
  --surface-alt: #F0F1F3;
  --text: #1A1A1A;
  --text-muted: #6B7280;
  --text-light: #9CA3AF;
  --border: #E2E4E8;
  --border-dark: #D1D5DB;
  --font-sans: 'Manrope', sans-serif;
  --font-display: 'Playfair Display', serif;
  --radius: 0px;
}

/* ---------- Reset / base ---------- */
*, ::before, ::after { box-sizing: border-box; border-color: var(--border); }
* { margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background-color: var(--background);
  color: var(--text);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  line-height: 1.6;
}
h1, h2, h3, h4, h5, h6 { margin: 0; font-family: var(--font-display); letter-spacing: -0.02em; }
p { margin: 0; }
a { text-decoration: none; color: inherit; }
img { max-width: 100%; height: auto; display: block; }
button { font-family: inherit; background: none; border: none; cursor: pointer; }
ul { list-style: none; }
::selection { background-color: var(--accent); color: #fff; }
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--background); }
::-webkit-scrollbar-thumb { background: var(--accent); }

/* ---------- Typography helpers ---------- */
.font-display { font-family: var(--font-display); }
.font-sans { font-family: var(--font-sans); }
.text-hero-xl { font-size: clamp(2.5rem, 7vw, 6.5rem); line-height: 0.92; letter-spacing: -0.04em; }
.text-section-xl { font-size: clamp(2rem, 5vw, 4.5rem); line-height: 1; letter-spacing: -0.03em; }
.text-editorial { font-size: clamp(1.5rem, 3vw, 3rem); line-height: 1.1; letter-spacing: -0.02em; }

/* ---------- Textures / outlines ---------- */
.grid-texture {
  background-image: linear-gradient(to right, rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
}
.grid-texture-light {
  background-image: linear-gradient(to right, rgba(0,0,0,0.03) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(0,0,0,0.03) 1px, transparent 1px);
  background-size: 40px 40px;
}
.text-outline-white { -webkit-text-stroke: 1px rgba(255,255,255,0.3); color: transparent; }
.text-outline-dark { -webkit-text-stroke: 1px rgba(26,26,26,0.2); color: transparent; }
.blob-accent { background: radial-gradient(ellipse at center, rgba(163,230,53,0.15) 0%, transparent 70%); filter: blur(40px); border-radius: 50%; }
.blob-secondary { background: radial-gradient(ellipse at center, rgba(249,115,22,0.12) 0%, transparent 70%); filter: blur(50px); border-radius: 50%; }

/* ---------- Layout ---------- */
.section-padding { padding-top: 6rem; padding-bottom: 6rem; }
.section-padding-sm { padding-top: 4rem; padding-bottom: 4rem; }
.section-padding-lg { padding-top: 8rem; padding-bottom: 8rem; }
.container-wide { max-width: 1400px; margin-left: auto; margin-right: auto; padding-left: 1.5rem; padding-right: 1.5rem; }
.container-narrow { max-width: 1100px; margin-left: auto; margin-right: auto; padding-left: 1.5rem; padding-right: 1.5rem; }

/* Simple utility grid/flex system (replaces Tailwind utilities used) */
.grid { display: grid; }
.grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
.grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid-cols-5 { grid-template-columns: repeat(5, minmax(0, 1fr)); }
.gap-0 { gap: 0; } .gap-1 { gap: .25rem; } .gap-2 { gap: .5rem; } .gap-3 { gap: .75rem; }
.gap-4 { gap: 1rem; } .gap-6 { gap: 1.5rem; } .gap-8 { gap: 2rem; } .gap-12 { gap: 3rem; } .gap-16 { gap: 4rem; }
.flex { display: flex; } .flex-col { flex-direction: column; } .flex-row { flex-direction: row; }
.flex-1 { flex: 1 1 0%; } .flex-shrink-0 { flex-shrink: 0; } .flex-wrap { flex-wrap: wrap; }
.items-start { align-items: flex-start; } .items-center { align-items: center; } .items-end { align-items: flex-end; }
.justify-start { justify-content: flex-start; } .justify-center { justify-content: center; }
.justify-between { justify-content: space-between; } .justify-end { justify-content: flex-end; }
.text-left { text-align: left; } .text-center { text-align: center; } .text-right { text-align: right; }
.relative { position: relative; } .absolute { position: absolute; } .fixed { position: fixed; }
.inset-0 { top: 0; right: 0; bottom: 0; left: 0; }
.top-0 { top: 0; } .left-0 { left: 0; } .right-0 { right: 0; } .bottom-0 { bottom: 0; }
.bottom-3 { bottom: .75rem; } .left-3 { left: .75rem; } .right-6 { right: 1.5rem; } .bottom-6 { bottom: 1.5rem; }
.left-6 { left: 1.5rem; } .bottom-8 { bottom: 2rem; } .left-8 { left: 2rem; } .right-8 { right: 2rem; } .right-2 { right: .5rem; }
.z-10 { z-index: 10; }
.w-full { width: 100%; } .h-full { height: 100%; }
.w-px { width: 1px; } .h-8 { height: 2rem; }
.w-1 { width: .25rem; } .h-1 { height: .25rem; } .w-1\.5 { width: .375rem; } .h-1\.5 { height: .375rem; }
.w-2 { width: .5rem; } .h-2 { height: .5rem; } .w-3 { width: .75rem; } .h-3 { height: .75rem; }
.w-4 { width: 1rem; } .h-4 { height: 1rem; } .w-6 { width: 1.5rem; } .h-6 { height: 1.5rem; }
.w-8 { width: 2rem; } .h-8x { height: 2rem; } .w-9 { width: 2.25rem; } .h-9 { height: 2.25rem; }
.w-10 { width: 2.5rem; } .h-10 { height: 2.5rem; } .w-12 { width: 3rem; } .h-12 { height: 3rem; }
.w-16 { width: 4rem; } .h-16 { height: 4rem; } .h-24 { height: 6rem; } .w-24 { width: 6rem; }
.hidden { display: none; } .block { display: block; } .inline-flex { display: inline-flex; } .inline-block { display: inline-block; }
.overflow-hidden { overflow: hidden; }
.min-h-screen { min-height: 100vh; }
.min-h-\[400px\] { min-height: 400px; } .min-h-\[500px\] { min-height: 500px; } .min-h-\[600px\] { min-height: 600px; }
.min-h-\[50vh\] { min-height: 50vh; } .min-h-\[60vh\] { min-height: 60vh; } .min-h-\[65vh\] { min-height: 65vh; } .min-h-\[70vh\] { min-height: 70vh; }
.min-h-\[300px\] { min-height: 300px; }
.mx-auto { margin-left: auto; margin-right: auto; }
.max-w-xs { max-width: 20rem; } .max-w-sm { max-width: 24rem; } .max-w-md { max-width: 28rem; }
.max-w-xl { max-width: 36rem; } .max-w-2xl { max-width: 42rem; } .max-w-3xl { max-width: 48rem; } .max-w-4xl { max-width: 56rem; }
.object-cover { object-fit: cover; } .object-contain { object-fit: contain; }
.cursor-pointer { cursor: pointer; } .cursor-default { cursor: default; }
.pointer-events-none { pointer-events: none; }

/* spacing */
.p-2 { padding: .5rem; } .p-4 { padding: 1rem; } .p-6 { padding: 1.5rem; } .p-8 { padding: 2rem; }
.p-10 { padding: 2.5rem; } .p-12 { padding: 3rem; }
.px-3 { padding-left: .75rem; padding-right: .75rem; } .px-4 { padding-left: 1rem; padding-right: 1rem; }
.px-5 { padding-left: 1.25rem; padding-right: 1.25rem; } .px-6 { padding-left: 1.5rem; padding-right: 1.5rem; }
.px-8 { padding-left: 2rem; padding-right: 2rem; }
.py-1 { padding-top: .25rem; padding-bottom: .25rem; } .py-2 { padding-top: .5rem; padding-bottom: .5rem; }
.py-2\.5 { padding-top: .625rem; padding-bottom: .625rem; } .py-3 { padding-top: .75rem; padding-bottom: .75rem; }
.py-4 { padding-top: 1rem; padding-bottom: 1rem; } .py-8 { padding-top: 2rem; padding-bottom: 2rem; } .py-20 { padding-top: 5rem; padding-bottom: 5rem; }
.pt-3 { padding-top: .75rem; } .pt-4 { padding-top: 1rem; } .pt-6 { padding-top: 1.5rem; } .pt-8 { padding-top: 2rem; }
.pt-12 { padding-top: 3rem; } .pt-16 { padding-top: 4rem; } .pt-32 { padding-top: 8rem; } .pt-40 { padding-top: 10rem; }
.pb-4 { padding-bottom: 1rem; } .pb-8 { padding-bottom: 2rem; } .pb-12 { padding-bottom: 3rem; } .pb-16 { padding-bottom: 4rem; }
.pl-4 { padding-left: 1rem; } .pl-6 { padding-left: 1.5rem; } .pr-6 { padding-right: 1.5rem; }
.mb-1 { margin-bottom: .25rem; } .mb-2 { margin-bottom: .5rem; } .mb-3 { margin-bottom: .75rem; } .mb-4 { margin-bottom: 1rem; }
.mb-6 { margin-bottom: 1.5rem; } .mb-8 { margin-bottom: 2rem; } .mb-10 { margin-bottom: 2.5rem; } .mb-12 { margin-bottom: 3rem; } .mb-16 { margin-bottom: 4rem; }
.mt-0\.5 { margin-top: .125rem; } .mt-1 { margin-top: .25rem; } .mt-2 { margin-top: .5rem; } .mt-3 { margin-top: .75rem; }
.mt-4 { margin-top: 1rem; } .mt-6 { margin-top: 1.5rem; } .mt-8 { margin-top: 2rem; } .mt-10 { margin-top: 2.5rem; } .mt-12 { margin-top: 3rem; }
.ml-2 { margin-left: .5rem; } .ml-auto { margin-left: auto; }
.space-y-2 > * + * { margin-top: .5rem; } .space-y-3 > * + * { margin-top: .75rem; }
.space-y-4 > * + * { margin-top: 1rem; } .space-y-6 > * + * { margin-top: 1.5rem; } .space-y-8 > * + * { margin-top: 2rem; }

/* colors */
.bg-primary { background-color: var(--primary); } .bg-secondary { background-color: var(--secondary); }
.bg-accent { background-color: var(--accent); } .bg-background { background-color: var(--background); }
.bg-surface { background-color: var(--surface); } .bg-surface-alt { background-color: var(--surface-alt); }
.bg-white { background-color: #fff; } .bg-transparent { background-color: transparent; }
.bg-white\/5 { background-color: rgba(255,255,255,.05); } .bg-white\/95 { background-color: rgba(255,255,255,.95); }
.bg-primary\/60 { background-color: rgba(26,26,26,.6); } .bg-primary\/80 { background-color: rgba(26,26,26,.8); }
.text-white { color: #fff; } .text-foreground { color: var(--text); }
.text-muted-foreground { color: var(--text-muted); } .text-accent { color: var(--accent); }
.text-white\/30 { color: rgba(255,255,255,.3); } .text-white\/40 { color: rgba(255,255,255,.4); }
.text-white\/50 { color: rgba(255,255,255,.5); } .text-white\/60 { color: rgba(255,255,255,.6); }
.text-white\/70 { color: rgba(255,255,255,.7); } .text-white\/80 { color: rgba(255,255,255,.8); }
.border { border-width: 1px; border-style: solid; } .border-2 { border-width: 2px; border-style: solid; }
.border-b { border-bottom-width: 1px; border-bottom-style: solid; } .border-b-2 { border-bottom-width: 2px; border-bottom-style: solid; }
.border-t { border-top-width: 1px; border-top-style: solid; } .border-l { border-left-width: 1px; border-left-style: solid; }
.border-l-2 { border-left-width: 2px; border-left-style: solid; } .border-l-4 { border-left-width: 4px; border-left-style: solid; }
.border-r { border-right-width: 1px; border-right-style: solid; }
.border-border { border-color: var(--border); } .border-accent { border-color: var(--accent); }
.border-white { border-color: #fff; } .border-white\/10 { border-color: rgba(255,255,255,.1); }
.border-white\/20 { border-color: rgba(255,255,255,.2); } .border-primary { border-color: var(--primary); }
.border-accent\/40 { border-color: rgba(163,230,53,.4); } .border-accent\/50 { border-color: rgba(163,230,53,.5); }
.rounded-full { border-radius: 9999px; }

/* type sizes */
.text-xs { font-size: .75rem; } .text-sm { font-size: .875rem; } .text-base { font-size: 1rem; }
.text-lg { font-size: 1.125rem; } .text-xl { font-size: 1.25rem; } .text-2xl { font-size: 1.5rem; }
.text-3xl { font-size: 1.875rem; } .text-4xl { font-size: 2.25rem; } .text-5xl { font-size: 3rem; }
.text-6xl { font-size: 3.75rem; } .text-9xl { font-size: 8rem; }
.text-\[9px\] { font-size: 9px; } .text-\[10px\] { font-size: 10px; } .text-\[10px\].op { opacity: .6; }
.font-bold { font-weight: 700; } .font-black { font-weight: 900; } .font-semibold { font-weight: 600; } .font-medium { font-weight: 500; }
.font-normal { font-weight: 400; } .italic { font-style: italic; }
.leading-none { line-height: 1; } .leading-tight { line-height: 1.25; } .leading-relaxed { line-height: 1.625; }
.tracking-tight { letter-spacing: -0.025em; } .tracking-wide { letter-spacing: 0.025em; }
.tracking-widest { letter-spacing: 0.1em; } .uppercase { text-transform: uppercase; }
.opacity-20 { opacity: .2; } .opacity-30 { opacity: .3; } .opacity-40 { opacity: .4; } .opacity-0 { opacity: 0; } .opacity-100 { opacity: 1; }
.self-start { align-self: flex-start; } .self-stretch { align-self: stretch; }
.aspect-\[4\/5\] { aspect-ratio: 4/5; } .aspect-\[3\/4\] { aspect-ratio: 3/4; } .aspect-\[4\/3\] { aspect-ratio: 4/3; } .aspect-\[16\/9\] { aspect-ratio: 16/9; }
.backdrop-blur-sm { backdrop-filter: blur(4px); }
.shadow-lg { box-shadow: 0 10px 15px -3px rgba(0,0,0,.1), 0 4px 6px -4px rgba(0,0,0,.1); }
.break-all { word-break: break-all; }
.resize-none { resize: none; }
.appearance-none { appearance: none; -webkit-appearance: none; }
.group:hover .group-hover\:text-accent { color: var(--accent); }
.group:hover .group-hover\:opacity-100 { opacity: 1; }

/* ---------- Reveal animations ---------- */
.reveal-up { opacity: 0; transform: translateY(40px); transition: opacity .8s cubic-bezier(0.16,1,0.3,1), transform .8s cubic-bezier(0.16,1,0.3,1); }
.reveal-up.visible { opacity: 1; transform: translateY(0); }
.reveal-left { opacity: 0; transform: translateX(-40px); transition: opacity .8s cubic-bezier(0.16,1,0.3,1), transform .8s cubic-bezier(0.16,1,0.3,1); }
.reveal-left.visible { opacity: 1; transform: translateX(0); }
.reveal-right { opacity: 0; transform: translateX(40px); transition: opacity .8s cubic-bezier(0.16,1,0.3,1), transform .8s cubic-bezier(0.16,1,0.3,1); }
.reveal-right.visible { opacity: 1; transform: translateX(0); }
.reveal-scale { opacity: 0; transform: scale(0.95); transition: opacity .9s cubic-bezier(0.16,1,0.3,1), transform .9s cubic-bezier(0.16,1,0.3,1); }
.reveal-scale.visible { opacity: 1; transform: scale(1); }
.image-reveal { overflow: hidden; }
.image-reveal img { transform: scale(1.1); transition: transform 1.2s cubic-bezier(0.16,1,0.3,1); }
.image-reveal.visible img { transform: scale(1); }
.accent-line { width: 3rem; height: 2px; background-color: var(--accent); display: block; transition: width .6s cubic-bezier(0.16,1,0.3,1); }
.accent-line.expanded { width: 6rem; }
.hover-lift { transition: transform .3s cubic-bezier(0.16,1,0.3,1), box-shadow .3s ease; }
.hover-lift:hover { transform: translateY(-4px); box-shadow: 0 20px 40px rgba(0,0,0,.12); }

/* ---------- Buttons ---------- */
.btn-primary {
  display: inline-flex; align-items: center; gap: .5rem; background-color: var(--accent); color: var(--primary);
  padding: .875rem 2rem; font-family: var(--font-sans); font-size: .75rem; font-weight: 700;
  letter-spacing: .1em; text-transform: uppercase; border: 2px solid var(--accent); cursor: pointer;
  transition: background-color .3s ease, color .3s ease, transform .2s ease; text-decoration: none; justify-content: center;
}
.btn-primary:hover { background-color: var(--accent-dark); border-color: var(--accent-dark); transform: translateY(-1px); }
.btn-secondary {
  display: inline-flex; align-items: center; gap: .5rem; background-color: transparent; color: #fff;
  padding: .875rem 2rem; font-family: var(--font-sans); font-size: .75rem; font-weight: 700;
  letter-spacing: .1em; text-transform: uppercase; border: 2px solid rgba(255,255,255,.5); cursor: pointer;
  transition: background-color .3s ease, border-color .3s ease, transform .2s ease; text-decoration: none; justify-content: center;
}
.btn-secondary:hover { background-color: rgba(255,255,255,.1); border-color: rgba(255,255,255,.8); transform: translateY(-1px); }
.btn-outline-dark {
  display: inline-flex; align-items: center; gap: .5rem; background-color: transparent; color: var(--primary);
  padding: .875rem 2rem; font-family: var(--font-sans); font-size: .75rem; font-weight: 700;
  letter-spacing: .1em; text-transform: uppercase; border: 2px solid var(--primary); cursor: pointer;
  transition: background-color .3s ease, color .3s ease, transform .2s ease; text-decoration: none; justify-content: center;
}
.btn-outline-dark:hover { background-color: var(--primary); color: #fff; transform: translateY(-1px); }
.btn-white {
  display: inline-flex; align-items: center; gap: .5rem; background-color: #fff; color: var(--accent);
  padding: .875rem 2rem; font-family: var(--font-sans); font-size: .75rem; font-weight: 700;
  letter-spacing: .1em; text-transform: uppercase; border: 2px solid #fff; cursor: pointer;
  transition: all .3s ease; text-decoration: none; justify-content: center;
}
.btn-white:hover { background-color: transparent; color: #fff; }

/* ---------- Nav ---------- */
.site-nav { position: fixed; top: 0; left: 0; width: 100%; z-index: 200; transition: all .5s ease; background: transparent; padding-top: 1.5rem; padding-bottom: 1.5rem; }
.site-nav.scrolled { background-color: var(--primary); padding-top: 1rem; padding-bottom: 1rem; box-shadow: 0 10px 15px -3px rgba(0,0,0,.3); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; }
.nav-link { font-family: var(--font-sans); font-size: .7rem; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; color: rgba(255,255,255,.8); text-decoration: none; position: relative; padding-bottom: 2px; transition: color .3s ease; }
.nav-link::after { content: ''; position: absolute; bottom: -2px; left: 0; width: 0; height: 1px; background-color: var(--accent); transition: width .3s ease; }
.nav-link:hover { color: #fff; } .nav-link:hover::after { width: 100%; }
.nav-link.active { color: #fff; } .nav-link.active::after { width: 100%; }
.nav-link-dark { color: var(--text-muted); }
.nav-link-dark:hover { color: var(--text); }
.brand-name { display: block; color: #fff; font-family: var(--font-display); font-size: .875rem; font-weight: 700; line-height: 1; letter-spacing: -0.02em; }
.brand-sub { display: block; color: rgba(255,255,255,.6); font-family: var(--font-sans); font-size: 9px; font-weight: 500; letter-spacing: .2em; text-transform: uppercase; line-height: 1; margin-top: 2px; }
.brand-logo { position: relative; width: 2.5rem; height: 2.5rem; overflow: hidden; flex-shrink: 0; }
.brand-logo img { width: 100%; height: 100%; object-fit: contain; }
.hamburger { display: flex; flex-direction: column; gap: 6px; padding: .5rem; z-index: 300; position: relative; }
.hamburger span { display: block; width: 1.5rem; height: 2px; background: #fff; transition: all .3s ease; }
.hamburger.open span:nth-child(1) { transform: rotate(45deg) translateY(8px); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: rotate(-45deg) translateY(-8px); }
.mobile-menu { position: fixed; inset: 0; z-index: 150; background-color: var(--primary); display: flex; flex-direction: column; align-items: center; justify-content: center; transition: all .5s ease; opacity: 0; pointer-events: none; }
.mobile-menu.open { opacity: 1; pointer-events: auto; }
.mobile-menu a.mnav { font-family: var(--font-display); font-size: 1.875rem; font-weight: 700; color: #fff; transition: color .3s; }
.mobile-menu a.mnav:hover { color: var(--accent); }
.desktop-nav { display: none; align-items: center; gap: 2rem; }
.desktop-cta { display: none; align-items: center; gap: 1rem; }

.section-label { font-family: var(--font-sans); font-size: .65rem; font-weight: 700; letter-spacing: .25em; text-transform: uppercase; color: var(--accent); display: flex; align-items: center; gap: .75rem; margin-bottom: 1.5rem; }
.section-label::before { content: ''; display: block; width: 2rem; height: 1px; background-color: var(--accent); }

.progress-bar { position: fixed; top: 0; left: 0; height: 2px; background-color: var(--accent); z-index: 9999; transition: width .1s linear; width: 0; }
.floating-label { font-family: var(--font-sans); font-size: .6rem; font-weight: 700; letter-spacing: .2em; text-transform: uppercase; padding: .35rem .75rem; border: 1px solid rgba(255,255,255,.2); background: rgba(255,255,255,.08); backdrop-filter: blur(8px); color: rgba(255,255,255,.9); animation: floatLabel 4s ease-in-out infinite; }
@keyframes floatLabel { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-6px); } }
.hero-overlay { background: linear-gradient(135deg, rgba(26,26,26,.88) 0%, rgba(26,26,26,.75) 40%, rgba(132,204,22,.35) 100%); }
@keyframes heroImageScale { from { transform: scale(1.08); } to { transform: scale(1); } }
.hero-image-animate { animation: heroImageScale 8s cubic-bezier(0.16,1,0.3,1) forwards; }
@keyframes fadeInUp { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes scrollBounce { 0%,100% { transform: translateY(0); opacity: 1; } 50% { transform: translateY(8px); opacity: .5; } }
.scroll-bounce { animation: scrollBounce 2s ease-in-out infinite; }
.animate-spin { animation: spin 1s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes slideInLeft { from { opacity: 0; transform: translateX(-30px); } to { opacity: 1; transform: translateX(0); } }
@keyframes lineGrow { from { height: 0; } to { height: 100%; } }
.animate-fade-in-up { animation: fadeInUp .5s ease both; }
.vertical-line { width: 1px; background: linear-gradient(to bottom, transparent, var(--accent), transparent); animation: lineGrow 1.5s ease-out forwards; }

/* service explorer / why / checklist / process / industry */
.service-tab { padding: 1.25rem 0; border-left: 2px solid transparent; padding-left: 1.5rem; cursor: pointer; transition: all .3s ease; width: 100%; text-align: left; display: block; }
.service-tab:hover { border-left-color: rgba(163,230,53,.4); }
.service-tab.active { border-left-color: var(--accent); }
.why-item { padding: 1.5rem 0; border-bottom: 1px solid var(--border); cursor: pointer; transition: all .4s ease; }
.why-item:hover .why-number { color: var(--accent); }
.why-item.active-title { border-left: 2px solid var(--accent); padding-left: 1rem; }
.why-number { font-family: var(--font-display); font-size: .75rem; font-weight: 700; letter-spacing: .1em; color: var(--text-light); transition: color .3s ease; }
.checklist-item { display: flex; align-items: center; gap: .75rem; padding: .625rem 0; font-size: .875rem; font-weight: 500; border-bottom: 1px solid var(--border); transition: all .3s ease; }
.checklist-item:hover { padding-left: .5rem; color: var(--accent); }
.process-step { position: relative; flex: 1; text-align: center; padding: 0 1rem; }
.process-step::after { content: ''; position: absolute; top: 2rem; right: -50%; width: 100%; height: 1px; background: linear-gradient(to right, var(--accent), transparent); }
.process-step:last-child::after { display: none; }
.industry-card { position: relative; overflow: hidden; cursor: pointer; }
.industry-card img { transition: transform .8s cubic-bezier(0.16,1,0.3,1); }
.industry-card:hover img { transform: scale(1.08); }
.industry-card-overlay { position: absolute; inset: 0; background: linear-gradient(to top, rgba(26,26,26,.9) 0%, rgba(26,26,26,.3) 60%, transparent 100%); transition: background .4s ease; }
.industry-card:hover .industry-card-overlay { background: linear-gradient(to top, rgba(163,230,53,.85) 0%, rgba(26,26,26,.4) 60%, transparent 100%); }

/* floats */
.whatsapp-float { position: fixed; bottom: 2rem; right: 2rem; z-index: 1000; width: 3.5rem; height: 3.5rem; background-color: #25D366; border-radius: 50%; display: flex; align-items: center; justify-content: center; box-shadow: 0 4px 20px rgba(37,211,102,.4); transition: transform .3s ease, box-shadow .3s ease; text-decoration: none; }
.whatsapp-float:hover { transform: scale(1.1); box-shadow: 0 8px 30px rgba(37,211,102,.5); }
.whatsapp-cta { transition: background-color .3s ease; }
.whatsapp-cta:hover { background-color: #1da851 !important; }
.back-to-top { position: fixed; bottom: 6.5rem; right: 2rem; z-index: 1000; width: 3rem; height: 3rem; background-color: var(--primary); color: #fff; display: flex; align-items: center; justify-content: center; cursor: pointer; transition: all .3s ease; opacity: 0; transform: translateY(20px); pointer-events: none; border: none; }
.back-to-top.visible { opacity: 1; transform: translateY(0); pointer-events: all; }
.back-to-top:hover { background-color: var(--accent); }

/* mission/vision toggle */
.mission-card { position: relative; overflow: hidden; cursor: pointer; transition: all .5s ease; }
.mission-card .mission-underline { margin-top: 2rem; height: 2px; width: 3rem; transition: all .5s ease; background: var(--border); }
.mission-card.active-mission { background-color: var(--primary); }
.mission-card.active-vision { background-color: var(--secondary); }
.mission-card.active-mission .mission-underline, .mission-card.active-vision .mission-underline { width: 5rem; }
.mission-card.active-mission .mission-underline { background: var(--accent); }
.mission-card.active-vision .mission-underline { background: rgba(255,255,255,.4); }

/* client showcase */
.filter-btn { padding: .625rem 1.25rem; font-family: var(--font-sans); font-size: .75rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; transition: all .3s ease; border: 1px solid rgba(255,255,255,.2); background: transparent; color: rgba(255,255,255,.6); cursor: pointer; }
.filter-btn:hover { border-color: var(--accent); color: var(--accent); }
.filter-btn.active { background-color: var(--accent); color: var(--primary); border-color: var(--accent); }
.client-card { position: relative; width: 100%; text-align: left; background-color: var(--surface); border: 1px solid var(--border); padding: 1rem; transition: all .3s ease; min-height: 190px; display: flex; flex-direction: column; justify-content: space-between; cursor: pointer; }
.client-card:hover { border-color: rgba(163,230,53,.6); }
.client-card.selected { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent); }
.sector-dot { width: .5rem; height: .5rem; border-radius: 50%; display: inline-block; }

/* forms */
.form-label { display: block; font-family: var(--font-sans); font-size: .75rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--text-muted); margin-bottom: .5rem; }
.form-label .req { color: var(--accent); }
.form-input { width: 100%; border: none; border-bottom: 2px solid var(--border); background: transparent; padding: .75rem 0; font-family: var(--font-sans); font-size: .875rem; color: var(--text); outline: none; transition: border-color .3s; }
.form-input::placeholder { color: var(--text-light); }
.form-input:focus { border-bottom-color: var(--primary); }
.form-input.error { border-bottom-color: var(--accent); }
.form-error { color: var(--accent); font-size: .75rem; margin-top: .25rem; }
.form-success { background: var(--surface); border: 2px solid var(--secondary); padding: 3rem; text-align: center; min-height: 600px; display: flex; flex-direction: column; align-items: center; justify-content: center; }

/* footer */
.footer-link { color: rgba(255,255,255,.5); font-size: .875rem; transition: color .3s; display: inline-flex; align-items: center; gap: .5rem; }
.footer-link:hover { color: #fff; }
.footer-link .dash { width: .75rem; height: 1px; background: var(--accent); opacity: 0; transition: opacity .3s; display: inline-block; }
.footer-link:hover .dash { opacity: 1; }
.social-icon { width: 2.25rem; height: 2.25rem; border: 1px solid rgba(255,255,255,.2); display: flex; align-items: center; justify-content: center; color: rgba(255,255,255,.5); transition: all .3s; }
.social-icon:hover { border-color: var(--accent); color: var(--accent); }

/* misc */
.disc-box { border: 1px solid var(--border); padding: 1rem 1rem; text-align: center; transition: all .3s; cursor: default; }
.disc-box:hover { border-color: var(--accent); }
.disc-box span { font-family: var(--font-sans); font-size: .75rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--text-muted); }
.disc-box:hover span { color: var(--accent); }
.challenge-dot { width: 1.5rem; height: 1.5rem; border: 1px solid var(--border); display: flex; align-items: center; justify-content: center; flex-shrink: 0; margin-top: 2px; transition: border-color .3s; }
.challenge-row:hover .challenge-dot { border-color: var(--accent); }
.challenge-row:hover .challenge-text { color: var(--text); }
.challenge-text { color: var(--text-muted); font-size: .875rem; line-height: 1.625; transition: color .3s; }
.solution-check { color: var(--accent); }
.benefit-card-dark { background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.1); padding: 2rem; transition: all .3s; }
.benefit-card-dark:hover { border-color: rgba(163,230,53,.5); }
.benefit-num { font-family: var(--font-display); font-size: 1.875rem; font-weight: 900; color: rgba(163,230,53,.4); display: block; margin-bottom: 1rem; transition: color .3s; }
.benefit-card-dark:hover .benefit-num { color: var(--accent); }
.benefit-card-light { background: var(--background); border: 1px solid var(--border); padding: 2rem; transition: all .3s; }
.benefit-card-light:hover { border-color: rgba(163,230,53,.5); }
.check-box { display: flex; align-items: center; gap: .75rem; background: var(--surface); border: 1px solid var(--border); padding: 1rem; transition: all .3s; }
.check-box:hover { border-color: rgba(163,230,53,.5); }
.country-tag { padding: .25rem .75rem; border: 1px solid var(--border); font-size: .75rem; font-family: var(--font-sans); font-weight: 500; color: var(--text-muted); }
.svc-num-bg { font-family: var(--font-display); font-size: 3rem; font-weight: 900; color: rgba(255,255,255,.2); }
.ofc-cat { padding: 2rem; border: 2px solid var(--border); background: var(--surface); transition: all .3s; cursor: pointer; }
.ofc-cat.active { border-color: var(--accent); background: #fff; box-shadow: 0 10px 15px -3px rgba(0,0,0,.1); }
.ofc-badge { width: 2rem; height: 2rem; display: flex; align-items: center; justify-content: center; font-size: .75rem; font-weight: 700; font-family: var(--font-sans); }
.ofc-cat.active .ofc-badge { background: var(--accent); color: #fff; }
.ofc-cat:not(.active) .ofc-badge { background: var(--surface-alt); color: var(--text-muted); }
.page-hero { position: relative; display: flex; align-items: flex-end; background: var(--primary); overflow: hidden; }
.page-hero img.hero-bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: .4; }
.img-fallback { background: #e5e7eb; }
select.form-input { cursor: pointer; }
select.form-input option { color: var(--text); background: var(--surface); }

/* 404 */
.nf-wrap { min-height: 100vh; display: flex; flex-direction: column; align-items: center; justify-content: center; background: var(--background); padding: 1rem; }

/* ---------- Responsive (sm/md/lg/xl like Tailwind) ---------- */
.sm\:flex, .md\:block, .lg\:flex, .lg\:grid, .xl\:flex { display: none; }
@media (min-width: 640px) {
  .sm\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .sm\:flex { display: flex; } .sm\:flex-row { flex-direction: row; }
  .sm\:col-span-2 { grid-column: span 2 / span 2; }
}
@media (min-width: 768px) {
  .md\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .md\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0,1fr)); }
  .md\:block { display: block; }
  .md\:flex-row { flex-direction: row; } .md\:items-center { align-items: center; } .md\:justify-between { justify-content: space-between; }
}
@media (min-width: 1024px) {
  .lg\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .lg\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0,1fr)); }
  .lg\:grid-cols-4 { grid-template-columns: repeat(4, minmax(0,1fr)); }
  .lg\:grid-cols-5 { grid-template-columns: repeat(5, minmax(0,1fr)); }
  .lg\:grid-cols-12 { grid-template-columns: repeat(12, minmax(0,1fr)); }
  .lg\:col-span-2 { grid-column: span 2 / span 2; } .lg\:col-span-3 { grid-column: span 3 / span 3; }
  .lg\:col-span-4 { grid-column: span 4 / span 4; } .lg\:col-span-5 { grid-column: span 5 / span 5; }
  .lg\:col-span-7 { grid-column: span 7 / span 7; } .lg\:col-span-1 { grid-column: span 1 / span 1; }
  .lg\:flex { display: flex; } .lg\:grid { display: grid; } .lg\:hidden { display: none; }
  .lg\:flex-row { flex-direction: row; } .lg\:justify-end { justify-content: flex-end; }
  .lg\:pt-12 { padding-top: 3rem; } .lg\:p-14 { padding: 3.5rem; } .lg\:p-12 { padding: 3rem; }
  .lg\:p-10 { padding: 2.5rem; } .lg\:p-8 { padding: 2rem; }
  .lg\:text-5xl { font-size: 3rem; } .lg\:text-6xl { font-size: 3.75rem; }
  .lg\:text-4xl { font-size: 2.25rem; }
  .lg\:order-last { order: 9999; }
  .lg\:pr-16 { padding-right: 4rem; }
  .lg\:border-b-0 { border-bottom-width: 0; } .lg\:border-r { border-right-width: 1px; border-right-style: solid; }
  .desktop-nav { display: flex; } .desktop-cta { display: flex; } .hamburger { display: none; }
  .service-grid-5 { grid-template-columns: 2fr 3fr; }
}
@media (min-width: 1280px) {
  .xl\:flex { display: flex !important; }
}
.process-desktop { display: flex; align-items: flex-start; gap: 0; }
.process-mobile { display: flex; flex-direction: column; gap: 1.5rem; }
@media (max-width: 1023.98px) {
  .process-desktop { display: none; }
  .service-detail-grid { grid-template-columns: 1fr; }
}
@media (min-width: 1024px) {
  .process-mobile { display: none; }
}
@media (max-width: 767px) {
  .section-padding { padding-top: 4rem; padding-bottom: 4rem; }
  .grid-cols-2.mob-1 { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  *, ::before, ::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
  .reveal-up, .reveal-left, .reveal-right, .reveal-scale { opacity: 1; transform: none; }
}
