/*
Theme Name: Aventis Consulting
Theme URI: https://aventisconsulting.ae
Author: Aventis Consulting
Description: Custom executive-advisory theme for Aventis Consulting, cyber security, AI governance and cloud security. Dark navy / electric blue design system with a light mode toggle.
Version: 1.0.0
Requires at least: 6.0
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: aventis-consulting
*/

/* ============================================================
   Aventis Consulting, Design System
   Dark navy / electric blue / Manrope + Inter, light + dark
   ============================================================ */

:root{
  /* brand constants (theme-independent) */
  --navy-950:#050e1c;
  --navy-900:#081b33;
  --navy-850:#0b2340;
  --navy-800:#0f2a47;
  --navy-700:#153355;
  --navy-600:#1c3f68;

  --blue-600:#1f56c9;
  --blue-500:#2f6fed;
  --blue-400:#4f8cff;
  --blue-300:#82aeff;

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

  --container:1240px;
  --section-pad:min(12vw, 140px);

  --ease:cubic-bezier(.16,.8,.24,1);
  --font-head:'Manrope', 'Segoe UI', sans-serif;
  --font-body:'Inter', 'Segoe UI', sans-serif;

  /* ---- semantic tokens: dark (default / brand) theme ---- */
  --bg:var(--navy-900);
  --bg-alt:var(--navy-950);
  --header-bg:rgba(5,14,28,0.78);
  --surface-1:rgba(255,255,255,0.035);
  --surface-2:rgba(255,255,255,0.01);
  --surface-hover-1:rgba(255,255,255,0.06);
  --surface-hover-2:rgba(255,255,255,0.015);
  --surface-soft:rgba(255,255,255,0.02);
  --surface-tint:rgba(255,255,255,0.03);
  --surface-tint-strong:rgba(255,255,255,0.05);
  --surface-solid:var(--navy-800);
  --industry-tile-bg:var(--navy-900);
  --industry-tile-hover-bg:var(--navy-850);
  --cta-bg-1:var(--navy-800);
  --cta-bg-2:var(--navy-700);

  --border:rgba(255,255,255,0.09);
  --border-strong:rgba(255,255,255,0.16);
  --grid-line:rgba(255,255,255,0.05);

  --text:#ffffff;
  --text-body:#c3cfe3;
  --text-muted:#7186a8;
  --text-faint:#4a5b78;
  --idx-stroke:#7186a8;

  --icon-fg:var(--blue-300);
  --blue-glow:rgba(47,111,237,0.35);
  --shadow-color:var(--blue-glow);
  --spotlight-alpha:0.08;

  color-scheme: dark;
}

:root[data-theme="light"]{
  --bg:#f7f9fc;
  --bg-alt:#eef1f6;
  --header-bg:rgba(247,249,252,0.82);
  --surface-1:rgba(8,27,51,0.035);
  --surface-2:rgba(8,27,51,0.012);
  --surface-hover-1:rgba(8,27,51,0.055);
  --surface-hover-2:rgba(8,27,51,0.02);
  --surface-soft:rgba(8,27,51,0.03);
  --surface-tint:rgba(8,27,51,0.035);
  --surface-tint-strong:rgba(8,27,51,0.06);
  --surface-solid:#ffffff;
  --industry-tile-bg:#ffffff;
  --industry-tile-hover-bg:#eef1f6;
  --cta-bg-1:#eef3fc;
  --cta-bg-2:#e3ecfa;

  --border:rgba(8,27,51,0.08);
  --border-strong:rgba(8,27,51,0.15);
  --grid-line:rgba(8,27,51,0.05);

  --text:#081b33;
  --text-body:#3d4b64;
  --text-muted:#5c6b85;
  --text-faint:#98a3b8;
  --idx-stroke:#a7b2c6;

  --icon-fg:var(--blue-600);
  --shadow-color:rgba(47,111,237,0.18);
  --spotlight-alpha:0.05;

  color-scheme: light;
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }

body{
  margin:0;
  background:var(--bg);
  color:var(--text-body);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
  transition:background .4s var(--ease), color .4s var(--ease);
}

body.nav-open{ overflow:hidden; }

h1,h2,h3,h4{
  font-family:var(--font-head);
  color:var(--text);
  line-height:1.15;
  letter-spacing:-0.02em;
  margin:0 0 .6em;
  font-weight:700;
  transition:color .4s var(--ease);
}

h1{ font-size:clamp(2.4rem, 5vw, 4.2rem); font-weight:800; letter-spacing:-0.03em; }
h2{ font-size:clamp(1.9rem, 3.4vw, 2.8rem); }
h3{ font-size:clamp(1.25rem, 2vw, 1.5rem); }
p{ margin:0 0 1em; color:var(--text-body); }
a{ color:inherit; text-decoration:none; }
ul{ margin:0; padding:0; list-style:none; }
img{ max-width:100%; display:block; }
button{ font-family:inherit; }

.container{
  width:100%;
  max-width:var(--container);
  margin-inline:auto;
  padding-inline:clamp(20px, 5vw, 48px);
}

section{ padding-block:var(--section-pad); position:relative; }

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:0.78rem;
  font-weight:600;
  letter-spacing:0.14em;
  text-transform:uppercase;
  color:var(--icon-fg);
  margin-bottom:1.1em;
}
.eyebrow::before{
  content:'';
  width:22px; height:1px;
  background:var(--blue-400);
}

.lede{
  font-size:clamp(1.05rem, 1.4vw, 1.25rem);
  color:var(--text-muted);
  max-width:620px;
}

.section-head{ max-width:760px; margin-bottom:56px; }
.section-head.center{ margin-inline:auto; text-align:center; }

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  padding:15px 30px;
  border-radius:999px;
  font-weight:600;
  font-size:0.95rem;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .35s var(--ease), box-shadow .35s var(--ease), background .3s, border-color .3s, color .3s;
  white-space:nowrap;
}
.btn svg{ width:16px; height:16px; transition:transform .35s var(--ease); }
.btn:hover svg{ transform:translateX(4px); }

.btn-primary{
  background:linear-gradient(135deg, var(--blue-500), var(--blue-600));
  color:#fff;
  box-shadow:0 8px 24px -8px var(--shadow-color);
}
.btn-primary:hover{ transform:translateY(-2px); box-shadow:0 14px 32px -8px var(--shadow-color); }

.btn-ghost{
  background:transparent;
  color:var(--text);
  border-color:var(--border-strong);
}
.btn-ghost:hover{ border-color:var(--blue-400); background:rgba(79,140,255,0.08); transform:translateY(-2px); }

.btn-sm{ padding:11px 22px; font-size:0.85rem; }

.btn-block-row{ display:flex; flex-wrap:wrap; gap:16px; align-items:center; }

/* ---------- theme toggle ---------- */
.theme-toggle{
  width:42px; height:42px; border-radius:10px; border:1px solid var(--border-strong);
  background:transparent; display:flex; align-items:center; justify-content:center; cursor:pointer;
  color:var(--text); flex:none; transition:border-color .3s, background .3s;
  position:relative;
}
.theme-toggle:hover{ border-color:var(--blue-400); background:rgba(79,140,255,0.08); }
.theme-toggle svg{ width:19px; height:19px; position:absolute; transition:opacity .3s var(--ease), transform .4s var(--ease); }
.theme-toggle .sun{ opacity:0; transform:rotate(-60deg) scale(.5); }
.theme-toggle .moon{ opacity:1; transform:rotate(0) scale(1); }
:root[data-theme="light"] .theme-toggle .sun{ opacity:1; transform:rotate(0) scale(1); }
:root[data-theme="light"] .theme-toggle .moon{ opacity:0; transform:rotate(60deg) scale(.5); }

/* ---------- nav ---------- */
.progress-bar{
  position:fixed; top:0; left:0; height:2px; width:0%;
  background:linear-gradient(90deg, var(--blue-400), var(--blue-300));
  z-index:1000;
  transition:width .1s linear;
}

.site-header{
  position:fixed; top:0; left:0; right:0; z-index:900;
  padding-block:22px;
  transition:padding .35s var(--ease), background .35s var(--ease), border-color .35s var(--ease), backdrop-filter .35s;
  border-bottom:1px solid transparent;
}
.site-header.scrolled{
  padding-block:12px;
  background:var(--header-bg);
  backdrop-filter:blur(16px) saturate(140%);
  border-color:var(--border);
}
.site-header .container{ display:flex; align-items:center; justify-content:space-between; }

.brand{ display:flex; align-items:center; gap:10px; font-family:var(--font-head); font-weight:800; font-size:1.15rem; color:var(--text); letter-spacing:-0.01em; }
.brand .mark{
  width:34px; height:34px; border-radius:9px;
  background:linear-gradient(135deg, var(--blue-400), var(--blue-600));
  display:flex; align-items:center; justify-content:center;
  font-size:0.95rem; font-weight:800; color:#fff;
  box-shadow:0 6px 16px -4px var(--shadow-color);
}
.brand .name-sub{ display:block; font-size:0.62rem; font-weight:600; letter-spacing:0.16em; text-transform:uppercase; color:var(--text-muted); margin-top:1px;}

.nav-links{ display:flex; align-items:center; gap:2px; }
.nav-links a{
  padding:10px 16px; font-size:0.92rem; font-weight:500; color:var(--text-body);
  border-radius:8px; position:relative; transition:color .25s;
}
.nav-links a:hover{ color:var(--text); }
.nav-links a.active{ color:var(--text); }
.nav-links a.active::after{
  content:''; position:absolute; left:16px; right:16px; bottom:4px; height:2px;
  background:var(--blue-400); border-radius:2px;
}

.nav-cta{ display:flex; align-items:center; gap:10px; }

.nav-toggle{
  display:none; width:42px; height:42px; border-radius:10px; border:1px solid var(--border-strong);
  background:transparent; align-items:center; justify-content:center; cursor:pointer; flex-direction:column; gap:5px;
}
.nav-toggle span{ display:block; width:18px; height:2px; background:var(--text); transition:transform .3s, opacity .3s, background .3s; }
.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); }

.mobile-panel{
  position:fixed; inset:0; z-index:895; background:var(--bg-alt);
  display:flex; flex-direction:column; padding:110px 28px 40px;
  transform:translateY(-12px); opacity:0; visibility:hidden;
  transition:opacity .35s var(--ease), transform .35s var(--ease), visibility .35s, background .4s var(--ease);
}
.mobile-panel.open{ opacity:1; transform:translateY(0); visibility:visible; }
.mobile-panel a{ font-family:var(--font-head); font-size:1.6rem; font-weight:700; padding:14px 0; border-bottom:1px solid var(--border); color:var(--text); }
.mobile-panel .btn{ margin-top:28px; align-self:flex-start; }

@media (max-width:1140px){
  .nav-links, .nav-cta .btn-ghost, .nav-cta .btn-primary{ display:none; }
  .nav-toggle{ display:flex; }
}

/* ---------- hero ---------- */
.hero{
  padding-top:calc(var(--section-pad) + 70px);
  position:relative;
  overflow:hidden;
}
.hero-bg{
  position:absolute; inset:0; z-index:0; pointer-events:none;
}
.hero-bg .grid{
  position:absolute; inset:-2px;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(ellipse 70% 60% at 50% 20%, #000 40%, transparent 90%);
}
.hero-bg .glow{
  position:absolute; width:900px; height:900px; border-radius:50%;
  background:radial-gradient(circle, var(--blue-glow), transparent 70%);
  top:-420px; left:50%; transform:translateX(-50%);
  filter:blur(10px);
  animation:drift 16s ease-in-out infinite alternate;
}
@keyframes drift{ from{ transform:translateX(-54%) translateY(0);} to{ transform:translateX(-46%) translateY(30px);} }

.hero-inner{ position:relative; z-index:1; max-width:820px; }
.hero-badge{
  display:inline-flex; align-items:center; gap:8px; padding:8px 16px 8px 8px;
  border:1px solid var(--border-strong); border-radius:999px; font-size:0.82rem; color:var(--text-body);
  margin-bottom:28px; background:var(--surface-tint);
}
.hero-badge .dot{ width:8px; height:8px; border-radius:50%; background:var(--blue-400); box-shadow:0 0 0 4px rgba(79,140,255,0.2); }

.hero h1{ margin-bottom:.5em; }
.hero .lede{ max-width:640px; margin-bottom:2.2em; }

.hero-stats{
  margin-top:88px; display:grid; grid-template-columns:repeat(4,1fr); gap:0;
  border-top:1px solid var(--border);
}
.hero-stats .stat{ padding:28px 24px 0; border-right:1px solid var(--border); }
.hero-stats .stat:last-child{ border-right:none; }
.stat .num{ font-family:var(--font-head); font-size:clamp(1.7rem,3vw,2.4rem); font-weight:800; color:var(--text); display:flex; align-items:baseline; gap:2px;}
.stat .label{ font-size:0.82rem; color:var(--text-muted); margin-top:6px; }

@media(max-width:760px){
  .hero-stats{ grid-template-columns:repeat(2,1fr); row-gap:24px; }
  .hero-stats .stat:nth-child(2){ border-right:none; }
}

/* ---------- trust bar ---------- */
.trust{ padding-block:60px; border-top:1px solid var(--border); border-bottom:1px solid var(--border); }
.trust-label{ text-align:center; font-size:0.8rem; letter-spacing:0.14em; text-transform:uppercase; color:var(--text-muted); margin-bottom:34px; }
.marquee{ overflow:hidden; -webkit-mask-image:linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent); mask-image:linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent); }
.marquee-track{ display:flex; gap:80px; width:max-content; animation:scroll 26s linear infinite; }
.marquee:hover .marquee-track{ animation-play-state:paused; }
@keyframes scroll{ from{ transform:translateX(0);} to{ transform:translateX(-50%);} }
.logo-item{ font-family:var(--font-head); font-weight:700; font-size:1.1rem; color:var(--text-muted); letter-spacing:0.02em; opacity:0.7; transition:opacity .3s, color .3s; }
.logo-item:hover{ opacity:1; color:var(--text-body); }

/* ---------- cards / grids ---------- */
.grid-3{ display:grid; grid-template-columns:repeat(3,1fr); gap:28px; }
.grid-2{ display:grid; grid-template-columns:repeat(2,1fr); gap:28px; }
@media(max-width:900px){ .grid-3,.grid-2{ grid-template-columns:1fr; } }

.card{
  background:linear-gradient(180deg, var(--surface-1), var(--surface-2));
  border:1px solid var(--border);
  border-radius:var(--radius-md);
  padding:36px 32px;
  transition:transform .4s var(--ease), border-color .4s var(--ease), background .4s var(--ease);
  position:relative; overflow:hidden;
}
.card:hover{ transform:translateY(-6px); border-color:var(--border-strong); background:linear-gradient(180deg, var(--surface-hover-1), var(--surface-hover-2)); }

.card-icon{
  width:48px; height:48px; border-radius:12px; margin-bottom:22px;
  display:flex; align-items:center; justify-content:center;
  background:rgba(79,140,255,0.12); color:var(--icon-fg);
  transition:background .4s, transform .4s var(--ease);
}
.card:hover .card-icon{ background:rgba(79,140,255,0.22); transform:scale(1.06); }
.card-icon svg{ width:22px; height:22px; }

.card-link{ display:inline-flex; align-items:center; gap:8px; margin-top:18px; font-size:0.9rem; font-weight:600; color:var(--icon-fg); }
.card-link svg{ width:14px; height:14px; transition:transform .3s var(--ease); }
.card:hover .card-link svg{ transform:translateX(5px); }

/* reveal animation */
.reveal{ opacity:0; transform:translateY(28px); transition:opacity .8s var(--ease), transform .8s var(--ease); }
.reveal.in{ opacity:1; transform:translateY(0); }
.stagger .reveal:nth-child(1){ transition-delay:0s; }
.stagger .reveal:nth-child(2){ transition-delay:.1s; }
.stagger .reveal:nth-child(3){ transition-delay:.2s; }
.stagger .reveal:nth-child(4){ transition-delay:.3s; }

/* ---------- service tabs (interactive explorer) ---------- */
.explorer{ display:grid; grid-template-columns:320px 1fr; gap:0; border:1px solid var(--border); border-radius:var(--radius-lg); overflow:hidden; }
.explorer-list{ border-right:1px solid var(--border); background:var(--surface-soft); }
.explorer-list button{
  display:flex; align-items:center; justify-content:space-between; width:100%; text-align:left;
  padding:20px 24px; background:transparent; border:none; border-bottom:1px solid var(--border);
  color:var(--text-muted); font-size:0.95rem; font-weight:600; cursor:pointer; transition:background .3s, color .3s;
}
.explorer-list button .n{ font-size:0.75rem; color:var(--text-faint); font-weight:700; }
.explorer-list button:hover{ color:var(--text); background:var(--surface-tint); }
.explorer-list button.active{ color:var(--text); background:rgba(47,111,237,0.14); border-left:3px solid var(--blue-400); padding-left:21px; }
.explorer-panel{ padding:48px; min-height:380px; }
.explorer-panel .panel{ display:none; }
.explorer-panel .panel.active{ display:block; animation:fadein .5s var(--ease); }
@keyframes fadein{ from{ opacity:0; transform:translateY(10px);} to{ opacity:1; transform:translateY(0);} }
.tag-row{ display:flex; flex-wrap:wrap; gap:8px; margin:20px 0; }
.tag{ font-size:0.78rem; padding:6px 14px; border-radius:999px; border:1px solid var(--border-strong); color:var(--text-body); }

@media(max-width:800px){
  .explorer{ grid-template-columns:1fr; }
  .explorer-list{ border-right:none; border-bottom:1px solid var(--border); display:flex; overflow-x:auto; }
  .explorer-list button{ border-bottom:none; white-space:nowrap; }
  .explorer-list button.active{ border-left:none; border-bottom:3px solid var(--blue-400); padding-left:24px; }
  .explorer-panel{ padding:32px 24px; }
}

/* ---------- process / steps ---------- */
.steps{ counter-reset:step; display:grid; grid-template-columns:repeat(4,1fr); gap:24px; }
.step{ position:relative; padding-top:8px; border-top:2px solid var(--border); }
.step .idx{ font-family:var(--font-head); font-size:2.2rem; font-weight:800; color:transparent; -webkit-text-stroke:1px var(--idx-stroke); margin-bottom:14px; display:block; }
@media(max-width:900px){ .steps{ grid-template-columns:1fr 1fr; } }
@media(max-width:560px){ .steps{ grid-template-columns:1fr; } }

/* ---------- industries ---------- */
.industry-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:1px; background:var(--border); border:1px solid var(--border); border-radius:var(--radius-lg); overflow:hidden; }
.industry-tile{ background:var(--industry-tile-bg); padding:40px 32px; min-height:190px; display:flex; flex-direction:column; justify-content:flex-end; transition:background .4s; position:relative; }
.industry-tile:hover{ background:var(--industry-tile-hover-bg); }
.industry-tile .num{ position:absolute; top:28px; left:32px; font-size:0.78rem; color:var(--text-faint); font-weight:700; }
@media(max-width:900px){ .industry-grid{ grid-template-columns:1fr 1fr; } }
@media(max-width:560px){ .industry-grid{ grid-template-columns:1fr; } }

/* ---------- accordion (FAQ) ---------- */
.accordion-item{ border-bottom:1px solid var(--border); }
.accordion-item button{
  width:100%; display:flex; align-items:center; justify-content:space-between; gap:20px;
  padding:26px 4px; background:none; border:none; text-align:left; cursor:pointer;
  font-family:var(--font-head); font-size:1.05rem; font-weight:700; color:var(--text);
}
.accordion-item .plus{ width:20px; height:20px; position:relative; flex:none; }
.accordion-item .plus::before, .accordion-item .plus::after{ content:''; position:absolute; background:var(--icon-fg); transition:transform .35s var(--ease); }
.accordion-item .plus::before{ width:100%; height:2px; top:9px; left:0; }
.accordion-item .plus::after{ width:2px; height:100%; top:0; left:9px; }
.accordion-item.open .plus::after{ transform:rotate(90deg); opacity:0; }
.accordion-body{ max-height:0; overflow:hidden; transition:max-height .45s var(--ease); }
.accordion-body p{ padding-bottom:24px; max-width:700px; }

/* ---------- stat counter block ---------- */
.stat-band{ display:grid; grid-template-columns:repeat(4,1fr); gap:24px; padding:56px 0; border-top:1px solid var(--border); border-bottom:1px solid var(--border); }
.stat-band .stat .num{ justify-content:center; }
.stat-band .stat{ text-align:center; border-right:1px solid var(--border); }
.stat-band .stat:last-child{ border-right:none; }
@media(max-width:760px){ .stat-band{ grid-template-columns:1fr 1fr; row-gap:32px;} .stat-band .stat:nth-child(2){border-right:none;} }

/* ---------- CTA band ---------- */
.cta-band{
  border-radius:var(--radius-lg); background:linear-gradient(135deg, var(--cta-bg-1), var(--cta-bg-2));
  border:1px solid var(--border-strong); padding:clamp(40px,6vw,80px); text-align:center; position:relative; overflow:hidden;
}
.cta-band::before{
  content:''; position:absolute; width:600px; height:600px; border-radius:50%;
  background:radial-gradient(circle, var(--blue-glow), transparent 70%); top:-300px; right:-200px;
}
.cta-band h2{ max-width:640px; margin-inline:auto; }
.cta-band .lede{ margin-inline:auto; }
.cta-band .btn-block-row{ justify-content:center; margin-top:32px; }

/* ---------- footer ---------- */
footer{ border-top:1px solid var(--border); padding-block:80px 32px; background:var(--bg-alt); transition:background .4s var(--ease); }
.footer-grid{ display:grid; grid-template-columns:2fr 1fr 1fr 1fr 1.2fr; gap:32px; margin-bottom:64px; }
.footer-col h4{ font-size:0.82rem; letter-spacing:0.1em; text-transform:uppercase; color:var(--text-muted); margin-bottom:18px; }
.footer-col a{ display:block; color:var(--text-body); font-size:0.92rem; padding:7px 0; transition:color .25s, transform .25s; }
.footer-col a:hover{ color:var(--text); transform:translateX(3px); }
.footer-bottom{ display:flex; justify-content:space-between; align-items:center; padding-top:32px; border-top:1px solid var(--border); flex-wrap:wrap; gap:16px; }
.footer-bottom p{ margin:0; font-size:0.84rem; color:var(--text-muted); }
.socials{ display:flex; gap:12px; }
.socials a{ width:36px; height:36px; border:1px solid var(--border-strong); border-radius:9px; display:flex; align-items:center; justify-content:center; transition:border-color .3s, background .3s; color:var(--text); }
.socials a:hover{ border-color:var(--blue-400); background:rgba(79,140,255,0.1); }
.socials svg{ width:16px; height:16px; }
@media(max-width:900px){ .footer-grid{ grid-template-columns:1fr 1fr; } }
@media(max-width:560px){ .footer-grid{ grid-template-columns:1fr; } }

/* ---------- page hero (inner pages) ---------- */
.page-hero{ padding-top:calc(var(--section-pad) + 60px); padding-bottom:64px; }
.breadcrumb{ font-size:0.85rem; color:var(--text-muted); margin-bottom:20px; }
.breadcrumb a:hover{ color:var(--icon-fg); }

/* ---------- back to top ---------- */
.to-top{
  position:fixed; right:28px; bottom:28px; width:48px; height:48px; border-radius:50%;
  background:var(--surface-solid); border:1px solid var(--border-strong); color:var(--text);
  display:flex; align-items:center; justify-content:center; cursor:pointer; z-index:400;
  opacity:0; visibility:hidden; transform:translateY(10px);
  transition:opacity .3s, transform .3s, visibility .3s, background .3s, color .3s;
}
.to-top.show{ opacity:1; visibility:visible; transform:translateY(0); }
.to-top:hover{ background:var(--blue-500); color:#fff; }
.to-top svg{ width:18px; height:18px; }

/* ---------- forms ---------- */
.form-grid{ display:grid; grid-template-columns:1fr 1fr; gap:20px; }
.field{ margin-bottom:20px; }
.field.full{ grid-column:1/-1; }
label{ display:block; font-size:0.85rem; font-weight:600; color:var(--text-body); margin-bottom:8px; }
input, textarea, select{
  width:100%; padding:14px 16px; border-radius:10px; border:1px solid var(--border-strong);
  background:var(--surface-tint); color:var(--text); font-family:inherit; font-size:0.95rem;
  transition:border-color .3s, background .3s;
}
input:focus, textarea:focus, select:focus{ outline:none; border-color:var(--blue-400); background:var(--surface-tint-strong); }
textarea{ resize:vertical; min-height:120px; }
.field.error input, .field.error textarea{ border-color:#e0596b; }
.err-msg{ font-size:0.78rem; color:#e0596b; margin-top:6px; display:none; }
.field.error .err-msg{ display:block; }
.hint{ display:block; font-size:0.78rem; color:var(--text-muted); margin-top:6px; }

/* ---------- auth (client login) ---------- */
.auth-tabs{ display:flex; border:1px solid var(--border-strong); border-radius:12px; overflow:hidden; margin-bottom:28px; }
.auth-tab{ flex:1; padding:14px; background:transparent; border:none; cursor:pointer; font-weight:600; font-size:0.92rem; color:var(--text-muted); transition:background .3s, color .3s; }
.auth-tab.active{ color:var(--text); background:rgba(47,111,237,0.14); }
.auth-form .field{ margin-bottom:18px; }
.auth-error{ font-size:0.85rem; color:#e0596b; margin-bottom:16px; }
.auth-note{ font-size:0.85rem; color:var(--text-muted); margin-bottom:16px; }
.oauth-btn{
  display:flex; align-items:center; justify-content:center; gap:12px; width:100%;
  padding:14px; border-radius:10px; border:1px solid var(--border-strong);
  background:var(--surface-tint); color:var(--text); font-weight:600; font-size:0.92rem;
  cursor:pointer; transition:border-color .3s, background .3s; margin-bottom:20px;
}
.oauth-btn svg{ width:19px; height:19px; flex:none; }
.oauth-btn:hover{ border-color:var(--blue-400); background:var(--surface-tint-strong); }
.oauth-divider{ display:flex; align-items:center; gap:14px; margin-bottom:20px; color:var(--text-faint); font-size:0.8rem; text-transform:uppercase; letter-spacing:0.08em; }
.oauth-divider::before, .oauth-divider::after{ content:''; flex:1; height:1px; background:var(--border); }
.form-success{ display:none; text-align:center; padding:60px 20px; }
.form-success.show{ display:block; animation:fadein .5s var(--ease); }
.form-success .check{ width:64px; height:64px; border-radius:50%; background:rgba(79,140,255,0.15); display:flex; align-items:center; justify-content:center; margin:0 auto 24px; color:var(--icon-fg); }
@media(max-width:760px){ .form-grid{ grid-template-columns:1fr; } }

/* ---------- misc utility ---------- */
.mt-0{margin-top:0;} .center{ text-align:center; }
.two-col{ display:grid; grid-template-columns:1fr 1fr; gap:64px; align-items:center; }
@media(max-width:900px){ .two-col{ grid-template-columns:1fr; gap:40px; } }
.pill-row{ display:flex; flex-wrap:wrap; gap:10px; margin-top:24px; }
.pill{ font-size:0.82rem; padding:8px 16px; border:1px solid var(--border-strong); border-radius:999px; color:var(--text-body); display:flex; align-items:center; gap:8px; }
.pill svg{ width:14px; height:14px; color:var(--icon-fg); }

blockquote{ border-left:2px solid var(--blue-400); padding-left:24px; font-family:var(--font-head); font-size:1.3rem; color:var(--text); font-weight:600; margin:0; }

.insight-card .meta{ display:flex; gap:14px; font-size:0.78rem; color:var(--text-muted); margin-bottom:14px; text-transform:uppercase; letter-spacing:0.06em;}
.insight-card h3{ margin-bottom:.5em; }
.insight-card p{ font-size:0.92rem; }

/* ---------- quick-contact sheet ---------- */
.contact-sheet{ position:fixed; inset:0; z-index:950; visibility:hidden; pointer-events:none; }
.contact-sheet.open{ visibility:visible; pointer-events:auto; }
.contact-sheet-backdrop{ position:absolute; inset:0; background:rgba(0,0,0,0.5); opacity:0; transition:opacity .4s var(--ease); }
.contact-sheet.open .contact-sheet-backdrop{ opacity:1; }
.contact-sheet-panel{
  position:absolute; top:0; right:0; height:100%; width:min(420px, 100%);
  background:var(--bg-alt); border-left:1px solid var(--border-strong);
  padding:100px 32px 40px; transform:translateX(100%);
  transition:transform .45s var(--ease); overflow-y:auto;
}
.contact-sheet.open .contact-sheet-panel{ transform:translateX(0); }
.contact-sheet-close{
  position:absolute; top:28px; right:28px; width:40px; height:40px; border-radius:10px;
  border:1px solid var(--border-strong); background:transparent; color:var(--text);
  display:flex; align-items:center; justify-content:center; cursor:pointer; transition:border-color .3s, background .3s;
}
.contact-sheet-close svg{ width:18px; height:18px; }
.contact-sheet-close:hover{ border-color:var(--blue-400); background:rgba(79,140,255,0.08); }
.contact-sheet-item{
  display:flex; align-items:center; gap:14px; padding:16px; border:1px solid var(--border);
  border-radius:12px; margin-bottom:14px; color:var(--text); font-weight:600; font-size:0.95rem;
  transition:border-color .3s, background .3s;
}
.contact-sheet-item:hover{ border-color:var(--blue-400); background:var(--surface-tint); }
.contact-sheet-item svg{ width:20px; height:20px; color:var(--icon-fg); flex:none; }

/* cursor spotlight (subtle, desktop only) */
.spotlight{
  position:fixed; width:420px; height:420px; border-radius:50%; pointer-events:none; z-index:1;
  background:radial-gradient(circle, rgba(79,140,255,var(--spotlight-alpha)), transparent 70%);
  transform:translate(-50%,-50%); left:0; top:0; opacity:0; transition:opacity .4s;
}
@media(hover:hover){ .spotlight.active{ opacity:1; } }