/*
Theme Name: AI Consulting Experts
Theme URI: https://aiconsultingexpert.com
Author: AI Consulting Experts
Description: Single-page marketing theme for AI Consulting Experts. Ported from the static HTML/CSS/JS build with no visual changes.
Version: 1.3.0
Requires at least: 6.0
Tested up to: 7.0
Requires PHP: 8.0
License: Proprietary
Text Domain: aiconsulting
*/

/* ==========================================================================
   AI Consulting Experts — Design System
   ========================================================================== */

:root{
  --bg: #07080d;
  --bg-alt: #0b0d16;
  --surface: #ffffff0d;
  --surface-strong: #ffffff14;
  --border: #ffffff1a;
  --text: #f4f5f8;
  --text-dim: #a7acbb;
  --text-dimmer: #767c8e;

  --accent-1: #7c5cff;   /* violet */
  --accent-2: #22d3ee;   /* cyan */
  --accent-3: #ff5fa2;   /* magenta */

  --gradient: linear-gradient(135deg, var(--accent-1), var(--accent-2));
  --gradient-2: linear-gradient(120deg, var(--accent-1) 0%, var(--accent-3) 55%, var(--accent-2) 100%);

  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;

  --container: 1180px;
  --ease: cubic-bezier(.22,1,.36,1);
}

*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
h1,h2,h3,h4{
  font-family: 'Sora', 'Inter', sans-serif;
  font-weight: 700;
  line-height: 1.15;
  margin: 0 0 .5em;
  letter-spacing: -0.02em;
}
p{ margin: 0 0 1em; color: var(--text-dim); }
a{ color: inherit; text-decoration: none; }
img{ max-width: 100%; display:block; }
ul{ margin:0; padding:0; list-style:none; }

.container{
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.text-gradient{
  background: var(--gradient-2);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ---------- background decor ---------- */
.bg-mesh{
  position: fixed; inset: -20% -20% auto -20%;
  height: 140vh;
  z-index: -2;
  background:
    radial-gradient(40% 35% at 20% 15%, #7c5cff33 0%, transparent 70%),
    radial-gradient(35% 30% at 80% 10%, #22d3ee2e 0%, transparent 70%),
    radial-gradient(45% 40% at 50% 60%, #ff5fa21f 0%, transparent 70%);
  filter: blur(40px);
  animation: drift 24s ease-in-out infinite alternate;
}
@keyframes drift{
  0%{ transform: translate3d(0,0,0) scale(1); }
  100%{ transform: translate3d(2%, 3%, 0) scale(1.05); }
}
.bg-grid{
  position: fixed; inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(to right, #ffffff08 1px, transparent 1px),
    linear-gradient(to bottom, #ffffff08 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 0%, #000 40%, transparent 90%);
}

/* ---------- buttons ---------- */
.btn{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: 999px;
  font-weight: 600;
  font-size: .95rem;
  font-family: 'Sora', sans-serif;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease), background .25s var(--ease), border-color .25s var(--ease);
  white-space: nowrap;
}
.btn-primary{
  background: var(--gradient-2);
  background-size: 200% 200%;
  color: #08090f;
  box-shadow: 0 8px 30px -8px #7c5cff66;
}
.btn-primary:hover{
  transform: translateY(-2px);
  box-shadow: 0 12px 36px -6px #7c5cff88;
  background-position: 100% 0;
}
.btn-ghost{
  background: var(--surface);
  border-color: var(--border);
  color: var(--text);
  backdrop-filter: blur(6px);
}
.btn-ghost:hover{
  background: var(--surface-strong);
  transform: translateY(-2px);
}
.btn-nav{
  padding: 9px 20px;
  font-size: .85rem;
}
.btn-wide{ width: 100%; }

/* ---------- header ---------- */
.site-header{
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 18px 0;
  transition: background .3s var(--ease), padding .3s var(--ease), border-color .3s var(--ease);
  border-bottom: 1px solid transparent;
}
.site-header.scrolled{
  background: #07080dcc;
  backdrop-filter: blur(14px);
  padding: 12px 0;
  border-color: var(--border);
}
.header-inner{
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand{
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: 'Sora', sans-serif;
  font-weight: 700;
  font-size: 1.05rem;
}
.brand-mark{
  width: 34px; height: 34px;
  flex-shrink: 0;
}
.main-nav{
  display: flex;
  align-items: center;
  gap: 32px;
  font-size: .92rem;
  font-weight: 500;
  color: var(--text-dim);
}
.main-nav a:not(.btn):hover{ color: var(--text); }
.nav-toggle{
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.nav-toggle span{
  width: 22px; height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform .25s var(--ease), opacity .25s var(--ease);
}

/* ---------- hero ---------- */
.hero{
  padding: 200px 0 120px;
  position: relative;
}
.hero-inner{ max-width: 880px; }
.eyebrow{
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--accent-2);
  margin-bottom: 18px;
  display: inline-block;
}
.hero-title{
  font-size: clamp(2.4rem, 5.4vw, 4.4rem);
  margin-bottom: 24px;
}
.hero-sub{
  font-size: clamp(1.05rem, 1.6vw, 1.25rem);
  max-width: 640px;
  color: var(--text-dim);
  margin-bottom: 36px;
}
.hero-cta{
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 64px;
}
.hero-stats{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  padding-top: 40px;
  border-top: 1px solid var(--border);
}
.stat-num{
  display: block;
  font-family: 'Sora', sans-serif;
  font-size: 2rem;
  font-weight: 800;
  background: var(--gradient-2);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: 6px;
}
.stat-label{
  font-size: .85rem;
  color: var(--text-dimmer);
  line-height: 1.4;
}

/* ---------- trust strip ---------- */
.trust-strip{ padding: 0 0 80px; }
.trust-label{
  text-align: center;
  font-size: .95rem;
  color: var(--text-dimmer);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 28px 0;
}

/* ---------- sections ---------- */
.section{ padding: 110px 0; }
.section-alt{ background: var(--bg-alt); }
.section-title{
  font-size: clamp(1.8rem, 3.4vw, 2.6rem);
  max-width: 640px;
}
.section-sub{
  font-size: 1.05rem;
  max-width: 560px;
  margin-bottom: 56px;
}

/* ---------- cards / services ---------- */
.services-grid{
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.card{
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px;
  backdrop-filter: blur(8px);
  transition: transform .35s var(--ease), border-color .35s var(--ease), background .35s var(--ease);
  position: relative;
  overflow: hidden;
}
.card::before{
  content:"";
  position: absolute; inset: 0;
  background: var(--gradient-2);
  opacity: 0;
  transition: opacity .35s var(--ease);
  z-index: -1;
}
.card:hover{
  transform: translateY(-6px);
  border-color: #ffffff33;
  background: var(--surface-strong);
}
.card h3{ font-size: 1.3rem; margin-bottom: 12px; }
.card > p{ margin-bottom: 20px; }
.card-list li{
  position: relative;
  padding-left: 22px;
  margin-bottom: 10px;
  font-size: .92rem;
  color: var(--text-dim);
}
.card-list li::before{
  content:"";
  position: absolute; left: 0; top: 7px;
  width: 8px; height: 8px;
  border-radius: 2px;
  background: var(--gradient-2);
}
.card-icon{
  width: 52px; height: 52px;
  border-radius: 14px;
  margin-bottom: 22px;
  background: var(--gradient-2);
  position: relative;
  box-shadow: 0 10px 30px -10px #7c5cff55;
}
.card-icon::after{
  content:"";
  position: absolute; inset: 12px;
  background: var(--bg);
  border-radius: 8px;
  -webkit-mask-size: contain;
  mask-size: contain;
  -webkit-mask-repeat: no-repeat;
  mask-repeat: no-repeat;
  -webkit-mask-position: center;
  mask-position: center;
}
.card-icon[data-icon="mobile"]::after{
  background: var(--bg);
  clip-path: polygon(30% 0, 70% 0, 70% 100%, 30% 100%);
}
.card-icon[data-icon="web"]::after{
  clip-path: polygon(0 15%, 100% 15%, 100% 85%, 0 85%);
}
.card-icon[data-icon="agent"]::after{
  clip-path: circle(32% at 50% 45%);
}
.card-icon[data-icon="strategy"]::after{
  clip-path: polygon(20% 100%, 20% 55%, 40% 55%, 40% 100%, 55% 100%, 55% 30%, 70% 30%, 70% 100%, 85% 100%, 85% 10%, 100% 10%, 100% 100%, 0 100%, 0 0, 15% 0, 15% 100%);
}

/* ---------- process ---------- */
.process-grid{
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.process-step{
  padding: 28px 24px;
  border-left: 2px solid var(--border);
  transition: border-color .3s var(--ease);
}
.process-step:hover{ border-color: var(--accent-2); }
.process-num{
  font-family: 'Sora', sans-serif;
  font-weight: 800;
  font-size: 1.6rem;
  color: var(--text-dimmer);
  display: block;
  margin-bottom: 14px;
}
.process-step h3{ font-size: 1.15rem; margin-bottom: 8px; }
.process-step p{ font-size: .92rem; }

/* ---------- showcase ---------- */
.showcase-grid{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.showcase-card{
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--surface);
  transition: transform .35s var(--ease);
}
.showcase-card:hover{ transform: translateY(-6px); }
.showcase-visual{
  height: 180px;
  position: relative;
  overflow: hidden;
}
.showcase-visual::before{
  content:"";
  position: absolute; inset: -30%;
  background: var(--gradient-2);
  opacity: .5;
  filter: blur(30px);
}
.showcase-visual--1::before{ background: linear-gradient(135deg,var(--accent-1),var(--accent-3)); }
.showcase-visual--2::before{ background: linear-gradient(135deg,var(--accent-2),var(--accent-1)); }
.showcase-visual--3::before{ background: linear-gradient(135deg,var(--accent-3),var(--accent-2)); }
.showcase-visual::after{
  content:"";
  position: absolute; inset: 0;
  background:
    linear-gradient(to bottom, transparent 40%, var(--bg) 100%),
    repeating-linear-gradient(135deg, #ffffff14 0 2px, transparent 2px 18px);
}
.showcase-card h3{ font-size: 1.1rem; margin: 22px 24px 10px; }
.showcase-card p{ font-size: .9rem; margin: 0 24px 24px; }

/* ---------- why us ---------- */
.why-grid{
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 64px;
  align-items: start;
}
.why-copy .section-title, .why-copy .section-sub{ max-width: none; }
.why-copy .section-sub{ margin-bottom: 0; }
.why-list{
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.why-item{
  padding: 26px;
  border-radius: var(--radius-md);
  background: var(--surface);
  border: 1px solid var(--border);
}
.why-item h3{ font-size: 1.05rem; margin-bottom: 8px; }
.why-item p{ font-size: .9rem; margin: 0; }

/* ---------- faq ---------- */
.faq-list{ max-width: 760px; }
.faq-item{
  border-bottom: 1px solid var(--border);
  padding: 22px 0;
}
.faq-item summary{
  cursor: pointer;
  font-family: 'Sora', sans-serif;
  font-weight: 600;
  font-size: 1.05rem;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.faq-item summary::-webkit-details-marker{ display:none; }
.faq-item summary::after{
  content: "+";
  font-size: 1.4rem;
  color: var(--accent-2);
  transition: transform .25s var(--ease);
  flex-shrink: 0;
  margin-left: 16px;
}
.faq-item[open] summary::after{ transform: rotate(45deg); }
.faq-item p{
  margin: 16px 0 0;
  font-size: .95rem;
}

/* ---------- contact / cta ---------- */
.cta-section{ padding-bottom: 140px; }
.cta-inner{
  max-width: 640px;
  text-align: left;
}
.cta-inner .section-sub{ max-width: none; }
.contact-form{
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 8px;
}
.form-row{
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.contact-form input, .contact-form textarea{
  width: 100%;
  padding: 15px 18px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  font-family: 'Inter', sans-serif;
  font-size: .95rem;
  resize: vertical;
  transition: border-color .25s var(--ease), background .25s var(--ease);
}
.contact-form input::placeholder, .contact-form textarea::placeholder{ color: var(--text-dimmer); }
.contact-form input:focus, .contact-form textarea:focus{
  outline: none;
  border-color: var(--accent-2);
  background: var(--surface-strong);
}
.form-note{
  text-align: center;
  font-size: .82rem;
  color: var(--text-dimmer);
  margin: 4px 0 0;
}
.form-note.is-error{ color: var(--accent-3); }
.form-note.is-success{ color: var(--accent-2); }
.hp-field{
  position: absolute !important;
  left: -9999px !important;
  width: 1px; height: 1px;
  opacity: 0;
  pointer-events: none;
}
.contact-alt{
  margin-top: 36px;
  font-size: .92rem;
  color: var(--text-dim);
}
.contact-alt a{ color: var(--accent-2); font-weight: 600; }
.contact-alt .dot{ margin: 0 10px; color: var(--text-dimmer); }

/* ---------- footer ---------- */
.site-footer{
  border-top: 1px solid var(--border);
  padding: 40px 0;
}
.footer-inner{
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
}
.footer-nav{
  display: flex;
  gap: 26px;
  font-size: .88rem;
  color: var(--text-dim);
}
.footer-nav a:hover{ color: var(--text); }
.footer-copy{
  font-size: .82rem;
  color: var(--text-dimmer);
  margin: 0;
}

/* ---------- reveal animation ---------- */
.reveal{
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .7s var(--ease), transform .7s var(--ease);
}
.reveal.is-visible{
  opacity: 1;
  transform: translateY(0);
}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 980px){
  .services-grid{ grid-template-columns: 1fr; }
  .process-grid{ grid-template-columns: repeat(2, 1fr); }
  .showcase-grid{ grid-template-columns: 1fr; }
  .why-grid{ grid-template-columns: 1fr; gap: 36px; }
  .why-list{ grid-template-columns: 1fr; }
  .hero-stats{ grid-template-columns: 1fr; gap: 20px; }
}

@media (max-width: 760px){
  .main-nav{
    position: fixed;
    top: 68px; left: 16px; right: 16px;
    background: #0b0d16f0;
    backdrop-filter: blur(16px);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    flex-direction: column;
    align-items: stretch;
    padding: 18px;
    gap: 4px;
    transform: translateY(-12px) scale(.98);
    opacity: 0;
    pointer-events: none;
    transition: all .3s var(--ease);
  }
  .main-nav.open{
    transform: translateY(0) scale(1);
    opacity: 1;
    pointer-events: auto;
  }
  .main-nav a:not(.btn){ padding: 12px 8px; }
  .main-nav .btn-nav{ margin-top: 8px; text-align: center; }
  .nav-toggle{ display: flex; }
  .nav-toggle.open span:nth-child(1){ transform: translateY(7px) rotate(45deg); }
  .nav-toggle.open span:nth-child(2){ opacity: 0; }
  .nav-toggle.open span:nth-child(3){ transform: translateY(-7px) rotate(-45deg); }

  .hero{ padding: 140px 0 80px; }
  .form-row{ grid-template-columns: 1fr; }
}