/* ============================================
   OSVENA — Design System & Core Styles
   ============================================ */

/* --- Design Tokens --- */
:root {
  --bg-primary: #07070d;
  --bg-secondary: #0d0d16;
  --bg-tertiary: #131320;
  --surface: rgba(255,255,255,0.03);
  --surface-hover: rgba(255,255,255,0.06);
  --border: rgba(255,255,255,0.07);
  --border-hover: rgba(255,255,255,0.14);
  --text-primary: #f0f0f5;
  --text-secondary: #8a8a9a;
  --text-tertiary: #55556a;
  --accent: #7c3aed;
  --accent-light: #8b5cf6;
  --accent-cyan: #06b6d4;
  --accent-gradient: linear-gradient(135deg, #7c3aed, #06b6d4);
  --success: #10b981;
  --error: #ef4444;
  --font-heading: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  --section-py: clamp(5rem, 10vw, 9rem);
  --container: 1180px;
  --container-px: clamp(1.25rem, 4vw, 2rem);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;
  --ease: cubic-bezier(.4,0,.2,1);
}

/* --- Reset --- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;font-size:16px}
body{font-family:var(--font-body);background:var(--bg-primary);color:var(--text-primary);line-height:1.6;overflow-x:hidden;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:none;background:none;color:inherit}
ul,ol{list-style:none}
input,textarea,select{font:inherit;color:inherit;background:none;border:none;outline:none}

/* --- Utility --- */
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 var(--container-px)}
.section{position:relative;padding:var(--section-py) 0}
.section-highlight{background:var(--bg-secondary)}

/* --- Section Headers --- */
.section-header{text-align:center;max-width:640px;margin:0 auto 3.5rem;position:relative;z-index:20}
.section-tag{display:inline-block;font-size:.8rem;font-weight:600;text-transform:uppercase;letter-spacing:.15em;color:var(--accent-light);margin-bottom:.75rem}
.section-title{font-family:var(--font-heading);font-size:clamp(1.75rem,4vw,2.75rem);font-weight:700;line-height:1.15;margin-bottom:1rem}
.section-desc{color:var(--text-secondary);font-size:1.05rem;line-height:1.7}

/* ============================================
   NAVIGATION
   ============================================ */
.navbar{position:fixed;top:0;left:0;right:0;z-index:1000;padding:1rem 0;transition:background .4s var(--ease),box-shadow .4s var(--ease),padding .4s var(--ease)}
.navbar.scrolled{background:rgba(10,10,15,.85);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);box-shadow:0 1px 0 var(--border);padding:.65rem 0}
.nav-container{display:flex;align-items:center;justify-content:space-between}
.nav-logo{display:flex;align-items:center;gap:.6rem;font-family:var(--font-heading);font-size:1.15rem;font-weight:700;letter-spacing:.02em;color:var(--text-primary)}
.nav-logo svg{width:32px;height:32px}
.nav-links{display:flex;gap:2rem}
.nav-links a{font-size:.88rem;font-weight:500;color:var(--text-secondary);transition:color .3s var(--ease);position:relative}
.nav-links a::after{content:'';position:absolute;bottom:-4px;left:0;width:0;height:2px;background:var(--accent-gradient);border-radius:2px;transition:width .3s var(--ease)}
.nav-links a:hover,.nav-links a.active{color:var(--text-primary)}
.nav-links a:hover::after,.nav-links a.active::after{width:100%}
.nav-actions{display:flex;align-items:center;gap:1rem}
.lang-toggle{font-size:.78rem;font-weight:600;padding:.4rem .85rem;border:1px solid var(--border);border-radius:var(--radius-full);color:var(--text-secondary);transition:all .3s var(--ease);letter-spacing:.05em}
.lang-toggle:hover{border-color:var(--accent);color:var(--text-primary)}

/* Hamburger */
.hamburger{display:none;flex-direction:column;gap:5px;width:28px;padding:4px 0}
.hamburger span{display:block;height:2px;background:var(--text-primary);border-radius:2px;transition:all .3s var(--ease)}
.hamburger.open span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}
.hamburger.open span:nth-child(2){opacity:0}
.hamburger.open span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}

/* ============================================
   BUTTONS
   ============================================ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;font-weight:600;font-size:.9rem;padding:.8rem 1.75rem;border-radius:var(--radius-full);transition:all .35s var(--ease);position:relative;overflow:hidden;white-space:nowrap}
.btn-primary{background:var(--accent-gradient);color:#fff;box-shadow:0 4px 20px rgba(124,58,237,.2)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 30px rgba(124,58,237,.35)}
.btn-secondary{border:1px solid var(--border-hover);color:var(--text-primary);background:transparent}
.btn-secondary:hover{border-color:var(--accent);background:rgba(124,58,237,.08);transform:translateY(-2px)}
.btn-sm{padding:.55rem 1.25rem;font-size:.82rem}

/* ============================================
   HERO — 3D (THREE.js + GSAP)
   ============================================ */
.h3d-hero {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  background: #020202;
  overflow: hidden;
  display: flex;
}
.h3d-hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 260px;
  background: linear-gradient(to bottom, transparent, var(--bg-primary));
  z-index: 6;
  pointer-events: none;
}
.h3d-reveal {
  position: relative;
  z-index: 10;
  width: 100%;
  display: flex;
  flex-direction: row;
  padding: 2rem 4rem 4rem;
  min-height: 100vh;
  min-height: 100dvh;
  align-items: stretch;
  gap: 2.5rem;
  opacity: 0;
  filter: blur(30px);
}

/* Left column */
.h3d-left {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 1.5rem 0;
}
.h3d-brand { display:flex; align-items:center; gap:.75rem; }
.h3d-ping {
  position: relative;
  width: 10px;
  height: 10px;
  flex-shrink: 0;
}
.h3d-ping::before {
  content: '';
  position: absolute;
  inset: 0;
  background: #fff;
  border-radius: 50%;
}
.h3d-ping-ring {
  position: absolute;
  inset: 0;
  background: #fff;
  border-radius: 50%;
  animation: h3dPing 2s ease-out infinite;
  opacity: .3;
}
.h3d-brand-name {
  font-family: var(--font-heading);
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: #fff;
}
.h3d-headline-wrap {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-right: 3rem;
}
.h3d-headline {
  font-family: var(--font-heading);
  font-size: clamp(3.5rem, 9.5vw, 11.5rem);
  font-weight: 900;
  line-height: .87;
  letter-spacing: -.03em;
  text-transform: uppercase;
  color: #fff;
  margin-bottom: 2rem;
}
.h3d-headline-outline {
  -webkit-text-stroke: 1.5px rgba(255,255,255,.35);
  -webkit-text-fill-color: transparent;
  color: transparent;
  display: block;
}
.h3d-sub {
  font-family: monospace;
  font-size: .68rem;
  color: rgba(255,255,255,.35);
  text-transform: uppercase;
  letter-spacing: .3em;
  line-height: 1.7;
  max-width: 340px;
}
.h3d-cta {
  display: inline-flex;
  align-items: center;
  gap: 1.5rem;
  text-decoration: none;
  border: none;
  background: none;
  padding: 0;
  cursor: pointer;
}
.h3d-cta-circle {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,.15);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  flex-shrink: 0;
  transition: background .45s var(--ease), border-color .45s var(--ease);
  overflow: hidden;
}
.h3d-cta:hover .h3d-cta-circle { background: #fff; border-color: #fff; }
.h3d-cta:hover .h3d-cta-circle svg { color: #000; }
.h3d-cta-text {
  font-family: monospace;
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: #fff;
}

/* Right column: command cells */
.h3d-cells {
  width: 360px;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  justify-content: center;
  z-index: 20;
  padding: 1.5rem 0;
}
.h3d-cell {
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.07);
  border-radius: 14px;
  padding: 1.5rem 1.75rem;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  transition: border-color .3s var(--ease);
}
.h3d-cell:hover { border-color: rgba(255,255,255,.15); }
.h3d-cell-id {
  display: block;
  font-family: monospace;
  font-size: .56rem;
  color: rgba(255,255,255,.2);
  text-transform: uppercase;
  letter-spacing: .14em;
  margin-bottom: .75rem;
}
.h3d-cell-status { display:flex; justify-content:space-between; align-items:flex-end; }
.h3d-cell-val {
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  font-weight: 700;
  color: #fff;
  letter-spacing: -.02em;
}
.h3d-cell-bar {
  width: 80px;
  height: 2px;
  background: rgba(255,255,255,.06);
  border-radius: 9999px;
  overflow: hidden;
}
.h3d-cell-bar-fill {
  height: 100%;
  width: 0;
  background: #fff;
  border-radius: 9999px;
  animation: h3dBarLoad 1.5s .9s ease forwards;
}
.h3d-cell-data { display:flex; flex-direction:column; gap:.55rem; }
.h3d-cell-row {
  display: flex;
  justify-content: space-between;
  font-family: monospace;
  font-size: .64rem;
  color: rgba(255,255,255,.4);
}
.h3d-cell-hr { height:1px; background:rgba(255,255,255,.06); }
.h3d-cell-text {
  font-size: .85rem;
  font-weight: 500;
  color: rgba(255,255,255,.55);
  line-height: 1.55;
  margin-top: .1rem;
}
.h3d-cell-text em { font-style:italic; color:rgba(255,255,255,.9); }

/* Keyframes */
@keyframes h3dPing {
  0%   { transform: scale(1); opacity: .3; }
  100% { transform: scale(3.5); opacity: 0; }
}
@keyframes h3dBarLoad { to { width: 60%; } }

/* ============================================
   SERVICE CARDS
   ============================================ */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.service-card {
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 3rem 2.5rem;
  transition: all 0.4s var(--ease);
  position: relative;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.service-card.featured {
  border-color: var(--accent);
  box-shadow: 0 0 40px rgba(124, 58, 237, 0.1);
}

.service-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-8px);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
}

.service-card .card-badge {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  background: rgba(124, 58, 237, 0.2);
  color: var(--accent-light);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-full);
  backdrop-filter: blur(4px);
}

.service-card .card-icon {
  width: 54px;
  height: 54px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 2rem;
  transition: transform 0.3s var(--ease);
}

.service-card:hover .card-icon {
  transform: scale(1.1);
}

.service-card .card-icon svg {
  width: 24px;
  height: 24px;
}

/* Icon Colors */
.icon-purple { background: rgba(124, 58, 237, 0.15); color: #8b5cf6; }
.icon-blue { background: rgba(59, 130, 246, 0.15); color: #3b82f6; }
.icon-green { background: rgba(16, 185, 129, 0.15); color: #10b981; }
.icon-orange { background: rgba(249, 115, 22, 0.15); color: #f97316; }
.icon-yellow { background: rgba(234, 179, 8, 0.15); color: #eab308; }
.icon-pink { background: rgba(236, 72, 153, 0.15); color: #ec4899; }

.service-card h3 {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
  color: var(--text-primary);
}

.service-card p {
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.6;
  margin-bottom: 2rem;
  flex-grow: 1;
}

.card-features {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  border-top: 1px solid var(--border);
  padding-top: 1.5rem;
}

.card-features li {
  font-size: 0.9rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  position: relative;
  padding-left: 1.25rem;
}

.card-features li::before {
  content: '';
  position: absolute;
  left: 0;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: currentColor;
  opacity: 0.5;
}

/* Feature Specific Colors */
.service-card:nth-child(1) .card-features li::before { background: #8b5cf6; }
.service-card:nth-child(2) .card-features li::before { background: #3b82f6; }
.service-card:nth-child(3) .card-features li::before { background: #10b981; }
.service-card:nth-child(4) .card-features li::before { background: #f97316; }
.service-card:nth-child(5) .card-features li::before { background: #eab308; }
.service-card:nth-child(6) .card-features li::before { background: #ec4899; }

/* ============================================
   AI RECEPTIONIST SPOTLIGHT
   ============================================ */
.ai-section{background:linear-gradient(180deg,var(--bg-secondary) 0%,var(--bg-primary) 100%);overflow:hidden}
.ai-grid{display:grid;grid-template-columns:1fr 1fr;gap:4rem;align-items:center}

/* Chat Window */
.chat-window{background:var(--bg-tertiary);border:1px solid var(--border);border-radius:var(--radius-xl);overflow:hidden;box-shadow:0 30px 80px rgba(0,0,0,.4);max-width:420px;margin:0 auto}
.chat-header{display:flex;align-items:center;gap:.6rem;padding:.85rem 1.25rem;border-bottom:1px solid var(--border);font-size:.82rem;font-weight:600}
.chat-dot{width:8px;height:8px;border-radius:50%;background:var(--success);animation:pulse 2s ease-in-out infinite}
.chat-live{margin-left:auto;font-size:.65rem;text-transform:uppercase;letter-spacing:.1em;color:var(--success);padding:.15rem .5rem;border:1px solid rgba(16,185,129,.3);border-radius:var(--radius-full)}
.chat-messages{padding:1.25rem;display:flex;flex-direction:column;gap:.75rem;min-height:300px}
.chat-msg{max-width:82%;padding:.7rem 1rem;border-radius:var(--radius-md);font-size:.85rem;line-height:1.5;opacity:0;animation:msgAppear .4s var(--ease) forwards}
.chat-msg.bot{background:rgba(124,58,237,.12);border:1px solid rgba(124,58,237,.15);align-self:flex-start;border-bottom-left-radius:4px}
.chat-msg.user{background:var(--surface-hover);border:1px solid var(--border);align-self:flex-end;border-bottom-right-radius:4px}
.chat-msg:nth-child(1){animation-delay:.5s}
.chat-msg:nth-child(2){animation-delay:2s}
.chat-msg:nth-child(3){animation-delay:3.5s}
.chat-msg:nth-child(4){animation-delay:5s}
.chat-msg:nth-child(5){animation-delay:6.5s}
.typing-dots{display:flex;gap:4px;padding:.7rem 1rem;align-self:flex-start;opacity:0;animation:msgAppear .3s var(--ease) forwards}
.typing-dots span{width:6px;height:6px;border-radius:50%;background:var(--text-tertiary);animation:typingBounce 1.2s ease-in-out infinite}
.typing-dots span:nth-child(2){animation-delay:.2s}
.typing-dots span:nth-child(3){animation-delay:.4s}

/* AI Content */
.ai-content .section-tag{text-align:left}
.ai-content h2{font-family:var(--font-heading);font-size:clamp(1.6rem,3.5vw,2.4rem);font-weight:700;margin:.5rem 0 1rem;line-height:1.2}
.ai-content>p{color:var(--text-secondary);margin-bottom:2rem;line-height:1.7;font-size:1rem}
.feature-list{display:flex;flex-direction:column;gap:.85rem;margin-bottom:2rem}
.feature-list li{display:flex;align-items:center;gap:.75rem;font-size:.95rem;font-weight:500}
.feature-list li svg{width:20px;height:20px;color:var(--success);flex-shrink:0}

/* ============================================
   WHY OSVENA — COMPARISON
   ============================================ */
.comparison-table{max-width:860px;margin:0 auto;border-radius:var(--radius-xl);overflow:hidden;border:1px solid var(--border);background:var(--surface)}
.comparison-row{display:grid;grid-template-columns:1.5fr 1fr 1fr;border-bottom:1px solid var(--border);transition:background .3s var(--ease)}
.comparison-row:last-child{border-bottom:none}
.comparison-row:hover{background:var(--surface-hover)}
.comparison-row.header{background:var(--bg-tertiary);font-weight:600;font-size:.85rem;text-transform:uppercase;letter-spacing:.08em;color:var(--text-secondary)}
.comparison-cell{padding:1rem 1.5rem;display:flex;align-items:center;font-size:.92rem}
.comparison-cell:not(:first-child){justify-content:center}
.comparison-cell.osvena{color:var(--success);font-weight:600}
.comparison-cell.typical{color:var(--text-tertiary)}
.check-icon{color:var(--success)}
.cross-icon{color:var(--error);opacity:.6}

/* ============================================
   TESTIMONIALS (3D MARQUEE)
   ============================================ */
.t-perspective {
  perspective: 500px;
  margin: 3rem auto 0;
  max-width: 820px;
  height: 450px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
.t-container {
  display: flex;
  flex-direction: row;
  align-items: flex-start;
  gap: 1.25rem;
  height: 100%;
  transform: translateX(-60px) translateY(0px) translateZ(-100px) rotateX(20deg) rotateY(-10deg) rotateZ(20deg);
  transform-style: preserve-3d;
  width: 130%;
}
.t-col {
  flex: 1;
  height: 200%;
  overflow: visible;
}
.t-marquee {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}
.t-marquee-inner {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  flex-shrink: 0;
}
.t-marquee-down .t-marquee-inner {
  animation: marquee-vertical 40s linear infinite;
}
.t-marquee-up .t-marquee-inner {
  animation: marquee-vertical 40s linear infinite reverse;
}
.t-col:hover .t-marquee-inner {
  animation-play-state: paused;
}
.t-card {
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.1rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  transition: border-color 0.3s var(--ease);
  width: 100%;
}
.t-card:hover {
  border-color: var(--border-hover);
}
.t-card-header {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}
.t-avatar {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  overflow: hidden;
  flex-shrink: 0;
}
.t-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.t-meta {
  display: flex;
  flex-direction: column;
  min-width: 0;
}
.t-name {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.3rem;
}
.t-country {
  font-size: 0.72rem;
}
.t-username {
  font-size: 0.72rem;
  color: var(--text-tertiary);
  margin-top: 0.05rem;
}
.t-body {
  font-size: 0.83rem;
  color: var(--text-secondary);
  line-height: 1.55;
  margin: 0;
}
.t-overlay {
  position: absolute;
  pointer-events: none;
  z-index: 10;
}
.t-overlay-top {
  left: 0; right: 0; top: 0;
  height: 32%;
  background: linear-gradient(to bottom, var(--bg-secondary), transparent);
}
.t-overlay-bottom {
  left: 0; right: 0; bottom: 0;
  height: 32%;
  background: linear-gradient(to top, var(--bg-secondary), transparent);
}
.t-overlay-left {
  top: 0; bottom: 0; left: 0;
  width: 12%;
  background: linear-gradient(to right, var(--bg-secondary), transparent);
}
.t-overlay-right {
  top: 0; bottom: 0; right: 0;
  width: 12%;
  background: linear-gradient(to left, var(--bg-secondary), transparent);
}

/* ============================================
   ABOUT
   ============================================ */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:4rem;align-items:center}
.about-text h2{font-family:var(--font-heading);font-size:clamp(1.6rem,3.5vw,2.4rem);font-weight:700;margin-bottom:1.25rem;line-height:1.2}
.about-text p{color:var(--text-secondary);line-height:1.8;margin-bottom:1rem;font-size:.97rem}
.about-text p:last-of-type{margin-bottom:1.75rem}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.5rem;margin-top:3rem}
.stat-card{text-align:center;padding:1.5rem 1rem;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);transition:all .3s var(--ease)}
.stat-card:hover{border-color:var(--border-hover);transform:translateY(-3px)}
.stat-number{font-family:var(--font-heading);font-size:clamp(1.5rem,3vw,2.2rem);font-weight:700;background:var(--accent-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.stat-label{font-size:.78rem;color:var(--text-secondary);margin-top:.25rem;text-transform:uppercase;letter-spacing:.08em}


/* ============================================
   CONTACT
   ============================================ */
.contact-grid{display:grid;grid-template-columns:1fr 1.3fr;gap:4rem;align-items:start}
.contact-info h2{font-family:var(--font-heading);font-size:clamp(1.6rem,3.5vw,2.4rem);font-weight:700;margin-bottom:1rem;line-height:1.2}
.contact-info>p{color:var(--text-secondary);margin-bottom:2rem;line-height:1.7}
.contact-details{display:flex;flex-direction:column;gap:1.25rem}
.contact-item{display:flex;align-items:center;gap:.85rem;font-size:.93rem}
.contact-item svg{width:20px;height:20px;color:var(--accent-light);flex-shrink:0}
.contact-item span{color:var(--text-secondary)}

/* Form */
.contact-form{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-xl);padding:2.5rem}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:1rem;margin-bottom:1rem}
.form-group{margin-bottom:1rem;position:relative}
.form-group label{display:block;font-size:.82rem;font-weight:500;margin-bottom:.4rem;color:var(--text-secondary)}
.form-group label .required{color:var(--accent-light)}
.form-group input,.form-group textarea{width:100%;padding:.75rem 1rem;border:1px solid var(--border);border-radius:var(--radius-md);background:var(--bg-primary);color:var(--text-primary);font-size:.9rem;transition:border-color .3s var(--ease),box-shadow .3s var(--ease)}
.form-group input::placeholder,.form-group textarea::placeholder{color:var(--text-tertiary)}
.form-group input:focus,.form-group textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(124,58,237,.12)}
.form-group textarea{resize:vertical;min-height:120px}
.form-group .error-msg{position:absolute;bottom:-18px;left:0;font-size:.72rem;color:var(--error);opacity:0;transition:opacity .2s}
.form-group.error input,.form-group.error textarea{border-color:var(--error)}
.form-group.error .error-msg{opacity:1}
.form-submit{width:100%;margin-top:.5rem}

/* Success State */
.form-success{display:none;text-align:center;padding:3rem 2rem}
.form-success.show{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:380px}
.form-success svg{width:64px;height:64px;color:var(--success);margin-bottom:1.5rem}
.form-success h3{font-family:var(--font-heading);font-size:1.5rem;margin-bottom:.75rem}
.form-success p{color:var(--text-secondary);max-width:320px}

/* ============================================
   FOOTER
   ============================================ */
.footer{border-top:1px solid var(--border);padding:3rem 0 2rem;background:var(--bg-secondary)}
.footer-content{display:flex;align-items:center;justify-content:space-between;margin-bottom:2rem;flex-wrap:wrap;gap:1.5rem}
.footer-logo{display:flex;align-items:center;gap:.6rem;font-family:var(--font-heading);font-weight:700;font-size:1.05rem}
.footer-logo svg{width:28px;height:28px}
.footer-links{display:flex;gap:1.75rem}
.footer-links a{font-size:.85rem;color:var(--text-secondary);transition:color .3s}
.footer-links a:hover{color:var(--text-primary)}
.footer-bottom{text-align:center;font-size:.78rem;color:var(--text-tertiary);padding-top:1.5rem;border-top:1px solid var(--border)}

/* ============================================
   MOBILE NAV OVERLAY
   ============================================ */
.mobile-overlay{display:none;position:fixed;inset:0;z-index:999;background:rgba(10,10,15,.97);backdrop-filter:blur(20px);flex-direction:column;align-items:center;justify-content:center;gap:2rem;opacity:0;transition:opacity .35s var(--ease)}
.mobile-overlay.open{display:flex;opacity:1}
.mobile-overlay a{font-family:var(--font-heading);font-size:1.5rem;font-weight:600;color:var(--text-secondary);transition:color .3s}
.mobile-overlay a:hover{color:var(--text-primary)}

/* ============================================
   HERO MOCK DASHBOARD
   ============================================ */
.mock-dash{background:var(--bg-secondary);border-radius:var(--radius-md);overflow:hidden;font-size:.78rem;min-height:260px}
.mock-dash-header{display:flex;align-items:center;gap:.85rem;padding:.55rem 1rem;background:rgba(255,255,255,.03);border-bottom:1px solid var(--border)}
.mock-dots{display:flex;gap:.4rem}
.mock-dot{width:10px;height:10px;border-radius:50%;display:inline-block}
.mock-url{color:var(--text-tertiary);font-size:.7rem;flex:1;text-align:center;letter-spacing:.01em}
.mock-live{display:flex;align-items:center;gap:.3rem;color:var(--success);font-size:.68rem;font-weight:700;letter-spacing:.04em}
.mock-live-dot{width:6px;height:6px;border-radius:50%;background:var(--success);animation:pulse 2s ease-in-out infinite}
.mock-dash-body{padding:1rem;display:flex;flex-direction:column;gap:.75rem}
.mock-kpi-row{display:grid;grid-template-columns:repeat(4,1fr);gap:.65rem}
.mock-kpi{background:var(--bg-tertiary);border:1px solid var(--border);border-radius:var(--radius-sm);padding:.65rem .85rem}
.mock-kpi-val{font-family:var(--font-heading);font-size:1.15rem;font-weight:700;color:var(--text-primary);line-height:1}
.mock-kpi-val.g{color:#10b981}
.mock-kpi-val.c{color:var(--accent-cyan)}
.mock-kpi-val.p{color:var(--accent-light)}
.mock-kpi-val small{font-size:.6rem;color:var(--text-secondary);font-weight:400}
.mock-kpi-lbl{font-size:.65rem;color:var(--text-tertiary);margin-top:.25rem}
.mock-chart{background:var(--bg-tertiary);border:1px solid var(--border);border-radius:var(--radius-sm);padding:.85rem}
.mock-chart-lbl{font-size:.72rem;color:var(--text-secondary);font-weight:500;margin-bottom:.65rem}
.mock-bars{display:flex;align-items:flex-end;gap:.3rem;height:80px}
.mock-b{flex:1;border-radius:2px 2px 0 0;background:rgba(124,58,237,.22);height:var(--h)}
.mock-b.hi{background:linear-gradient(to top,#7c3aed,#06b6d4)}

/* ============================================
   RESPONSIVE
   ============================================ */
@media(max-width:1024px){
  .services-grid{grid-template-columns:repeat(2,1fr)}
  .ai-grid{grid-template-columns:1fr;gap:3rem}
  .ai-grid .ai-visual{order:2}
  .ai-grid .ai-content{order:1}
  .about-grid{grid-template-columns:1fr;gap:2.5rem}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .contact-grid{grid-template-columns:1fr;gap:2.5rem}
  .comparison-table{overflow-x:auto}
}
@media(max-width:1024px){
  .h3d-reveal { padding: 2rem 2.5rem 3rem; }
  .h3d-cells { width: 300px; }
}
@media(max-width:768px){
  .nav-links,.nav-actions .btn{display:none}
  .hamburger{display:flex}
  .nav-actions{gap:.5rem}
  .services-grid{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
  .footer-content{flex-direction:column;text-align:center}
  .footer-links{flex-wrap:wrap;justify-content:center}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:1rem}
  .comparison-row{grid-template-columns:1.2fr 1fr 1fr}
  .comparison-cell{padding:.75rem 1rem;font-size:.82rem}
  .mock-kpi-row{grid-template-columns:repeat(2,1fr)}

  /* 3D Hero — mobile stacked */
  .h3d-reveal {
    flex-direction: column;
    padding: 5rem 1.5rem 3rem;
    gap: 3rem;
    align-items: flex-start;
    min-height: auto;
  }
  .h3d-left { gap: 2.5rem; }
  .h3d-headline-wrap { padding-right: 0; }
  .h3d-headline { font-size: clamp(3rem, 15vw, 6rem); }
  .h3d-cells { width: 100%; }

  /* Testimonials — flat 2-column layout on mobile */
  .t-perspective {
    perspective: none;
    height: 380px;
    margin-top: 1.5rem;
  }
  .t-container {
    transform: none;
    width: 100%;
    gap: 0.85rem;
  }
  .t-col:nth-child(n+3) { display: none; }
  .t-overlay-left, .t-overlay-right { display: none; }
  .t-overlay-top { height: 20%; }
  .t-overlay-bottom { height: 20%; }
}
@media(max-width:480px){
  .h3d-headline { font-size: clamp(2.6rem, 16vw, 4rem); }
}
@media(max-width:480px){
  .hero-title{font-size:clamp(2.8rem,16vw,5rem)}
  .stats-grid{grid-template-columns:1fr 1fr}
  .hero-screenshot-wrap{display:none}
}