/* =========================================================
   InkHeart — Global Styles (Public + Admin)
   File: /style.css  (FULL REPLACE)
   ========================================================= */

/* ------------------------------
   CSS Variables / Design Tokens
   ------------------------------ */
:root{
  /* Brand */
  --primary-gradient: linear-gradient(135deg,#667eea 0%,#764ba2 100%);
  --primary-color:#667eea;
  --secondary-color:#764ba2;

  /* Semantic */
  --success-color:#28a745;
  --warning-color:#ffc107;
  --danger-color:#dc3545;

  /* Neutrals */
  --dark-color:#1a1a1a;
  --light-color:#f8f9ff;
  --white:#fff;

  --gray-50:#fafbfc;
  --gray-100:#f8f9fa;
  --gray-200:#e9ecef;
  --gray-300:#dee2e6;
  --gray-400:#ced4da;
  --gray-500:#adb5bd;
  --gray-600:#6c757d;
  --gray-700:#495057;
  --gray-800:#343a40;
  --gray-900:#212529;

  /* Shadows / Radius / Motion */
  --shadow-sm:0 1px 3px rgba(0,0,0,.12),0 1px 2px rgba(0,0,0,.24);
  --shadow-md:0 3px 6px rgba(0,0,0,.16),0 3px 6px rgba(0,0,0,.23);
  --shadow-lg:0 10px 20px rgba(0,0,0,.19),0 6px 6px rgba(0,0,0,.23);
  --shadow-xl:0 14px 28px rgba(0,0,0,.25),0 10px 10px rgba(0,0,0,.22);
  --shadow-2xl:0 25px 50px rgba(0,0,0,.25);

  --radius-sm:6px;
  --radius-md:12px;
  --radius-lg:16px;
  --radius-xl:24px;
  --radius-2xl:32px;
  --radius-full:9999px;

  --transition-fast:.15s cubic-bezier(.4,0,.2,1);
  --transition-normal:.3s cubic-bezier(.4,0,.2,1);
  --transition-slow:.5s cubic-bezier(.4,0,.2,1);

  --container-padding:max(20px,5vw);
  --section-padding:clamp(60px,10vw,120px);

  /* Admin helpers */
  --line:rgba(0,0,0,.1);
}

/* ------------------------------
   Reset / Base
   ------------------------------ */
*{margin:0;padding:0;box-sizing:border-box}
html{font-size:16px;scroll-behavior:smooth}
body{
  font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Arial,sans-serif;
  line-height:1.7;color:var(--dark-color);background:var(--white);
  -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}

/* ------------------------------
   Layout Containers
   ------------------------------ */
.container{width:100%;max-width:none;padding:0 var(--container-padding)}
.container-content{max-width:1400px;margin:0 auto;width:100%}
.container-narrow{max-width:1200px;margin:0 auto;width:100%}
.container-wide{max-width:1600px;margin:0 auto;width:100%}

/* Full-bleed sections */
.section-full{width:100vw;position:relative;left:50%;right:50%;margin-left:-50vw;margin-right:-50vw}

/* Sections */
.section{padding:var(--section-padding) 0;width:100%}
.section-title{
  text-align:center;font-size:clamp(2rem,6vw,3.5rem);font-weight:800;margin-bottom:1rem;
  color:var(--dark-color);line-height:1.2;letter-spacing:-.02em
}
.section-subtitle{
  text-align:center;font-size:clamp(1.1rem,3vw,1.3rem);color:var(--gray-600);
  margin-bottom:clamp(3rem,6vw,5rem);max-width:700px;margin-left:auto;margin-right:auto;line-height:1.6
}

/* ------------------------------
   Header / Nav
   ------------------------------ */
header{
  background:rgba(255,255,255,.95);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
  position:fixed;top:0;width:100%;z-index:1000;box-shadow:var(--shadow-sm);
  transition:var(--transition-normal);border-bottom:1px solid rgba(255,255,255,.1)
}
header.scrolled{background:rgba(255,255,255,.98);box-shadow:var(--shadow-lg)}
nav{display:flex;justify-content:space-between;align-items:center;padding:1rem 0;height:80px}
.logo{
  font-size:clamp(1.5rem,3vw,2.2rem);font-weight:900;background:var(--primary-gradient);
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;text-decoration:none;
  transition:var(--transition-normal);letter-spacing:-.02em
}
.logo:hover{transform:scale(1.05)}
.nav-links{display:flex;list-style:none;gap:clamp(1rem,3vw,2.5rem);align-items:center}
.nav-links a{
  text-decoration:none;color:var(--dark-color);font-weight:500;font-size:clamp(.9rem,1.5vw,1rem);
  transition:var(--transition-normal);position:relative;padding:.75rem 0
}
.nav-links a::after{
  content:"";position:absolute;bottom:0;left:0;width:0;height:2px;background:var(--primary-gradient);
  transition:var(--transition-normal)
}
.nav-links a:hover::after,.nav-links a.active::after{width:100%}
.nav-links a:hover,.nav-links a.active{color:var(--primary-color)}

.mobile-menu-btn{display:none;background:none;border:none;font-size:1.8rem;cursor:pointer;color:var(--dark-color);padding:.5rem}
.mobile-menu{
  display:none;position:fixed;top:80px;left:0;width:100vw;height:calc(100vh - 80px);
  background:var(--white);backdrop-filter:blur(20px);z-index:999;opacity:0;transform:translateY(-20px);
  transition:var(--transition-normal)
}
.mobile-menu.active{display:flex;opacity:1;transform:translateY(0)}
.mobile-nav-links{list-style:none;padding:2rem;width:100%;display:flex;flex-direction:column;gap:1.5rem}
.mobile-nav-links li{border-bottom:1px solid var(--gray-200);padding-bottom:1rem}
.mobile-nav-links a{text-decoration:none;color:var(--dark-color);font-weight:500;font-size:1.2rem;display:block;padding:.5rem 0}
.mobile-nav-links a:hover{color:var(--primary-color)}

/* CTA button in header */
.cta-btn{
  background:var(--primary-gradient);color:var(--white);
  padding:clamp(10px,2vw,14px) clamp(20px,4vw,28px);border:none;border-radius:var(--radius-full);
  font-weight:600;font-size:clamp(.85rem,1.5vw,.95rem);cursor:pointer;transition:var(--transition-normal);
  text-decoration:none;display:inline-block;box-shadow:var(--shadow-md);white-space:nowrap
}
.cta-btn:hover{transform:translateY(-2px);box-shadow:var(--shadow-xl)}

/* ------------------------------
   Hero
   ------------------------------ */
.hero{
  background:var(--primary-gradient);color:var(--white);min-height:100vh;display:flex;align-items:center;
  position:relative;overflow:hidden;padding:calc(80px + var(--section-padding)) 0 var(--section-padding)
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(circle at 20% 80%,rgba(255,255,255,.1) 0%,transparent 50%),
             radial-gradient(circle at 80% 20%,rgba(255,255,255,.1) 0%,transparent 50%)
}
.hero-content{position:relative;z-index:2;text-align:center;width:100%}
.hero h1{font-size:clamp(2.5rem,8vw,5rem);font-weight:900;margin-bottom:1.5rem;line-height:1.1;letter-spacing:-.02em}
.hero-subtitle{
  font-size:clamp(1.1rem,3vw,1.4rem);margin-bottom:3rem;opacity:.95;max-width:800px;margin-inline:auto;line-height:1.6;font-weight:400
}
.hero-cta{display:flex;gap:clamp(1rem,3vw,2rem);justify-content:center;flex-wrap:wrap;margin-bottom:clamp(3rem,8vw,5rem)}
.hero-btn{
  padding:clamp(12px,3vw,18px) clamp(24px,5vw,36px);border:none;border-radius:var(--radius-full);
  font-weight:600;font-size:clamp(1rem,2.5vw,1.2rem);cursor:pointer;transition:var(--transition-normal);
  text-decoration:none;display:inline-block;min-width:clamp(160px,25vw,200px);text-align:center;box-shadow:var(--shadow-lg)
}
.hero-btn.primary{background:var(--white);color:var(--primary-color)}
.hero-btn.secondary{background:transparent;color:var(--white);border:2px solid var(--white)}
.hero-btn:hover{transform:translateY(-3px);box-shadow:var(--shadow-2xl)}

/* Stats layout (FIXED equal widths + alignment) */
.hero-stats{
  display:flex;justify-content:center;flex-wrap:wrap;gap:1.2rem;margin-top:2rem;max-width:1000px;margin-inline:auto
}
.hero-stats .stat{
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);border-radius:var(--radius-lg);
  padding:1.2rem 1.6rem;flex:1 1 200px;min-width:200px;max-width:240px;text-align:center;box-sizing:border-box;
  backdrop-filter:blur(10px);transition:var(--transition-normal)
}
.hero-stats .stat:hover{transform:translateY(-5px);background:rgba(255,255,255,.15)}
.hero-stats .stat h3{font-size:1.8rem;font-weight:800;margin:0 0 4px;color:#fff}
.hero-stats .stat p{font-size:.9rem;margin:0;color:rgba(255,255,255,.85)}

/* ------------------------------
   Cards / Buttons / Forms / Tables
   ------------------------------ */
.card{
  background:#fff;border:1px solid var(--gray-200);border-radius:var(--radius-xl);
  padding:clamp(1rem,2.5vw,1.5rem);box-shadow:var(--shadow-md);margin-bottom:16px
}
.notice{
  background:var(--gray-50);border:1px solid var(--gray-200);border-radius:var(--radius-md);
  padding:.75rem 1rem;color:var(--gray-700)
}

.btn{
  padding:clamp(10px,2.5vw,14px) clamp(20px,4vw,28px);
  border:none;border-radius:var(--radius-full);font-weight:600;cursor:pointer;
  text-decoration:none;display:inline-block;text-align:center;transition:var(--transition-normal);
  font-size:clamp(.9rem,2vw,1rem)
}
.btn:hover{transform:translateY(-2px);box-shadow:var(--shadow-xl)}
.btn-primary{background:var(--primary-gradient);color:#fff;box-shadow:var(--shadow-md)}
.btn-outline{background:transparent;color:var(--primary-color);border:2px solid var(--primary-color)}
.btn--ghost{background:transparent;border:1px solid var(--gray-300);color:var(--dark-color)}

.input, select, textarea{
  width:100%;padding:.75rem 1rem;border:1px solid var(--gray-300);border-radius:12px;
  background:#fff;transition:border-color var(--transition-fast),box-shadow var(--transition-fast);
  font:inherit;color:inherit
}
.input:focus, select:focus, textarea:focus{
  outline:none;border-color:var(--primary-color);
  box-shadow:0 0 0 3px rgba(102,126,234,.2)
}
label{display:block;margin:.5rem 0;font-weight:600;color:var(--gray-800)}
.form-row{display:grid;grid-template-columns:repeat(2,1fr);gap:1rem;margin-bottom:1rem}

.table{width:100%;border-collapse:separate;border-spacing:0;min-width:760px}
.table th,.table td{text-align:left;padding:.75rem 1rem;border-bottom:1px solid var(--gray-200);vertical-align:top}
.table thead th{position:sticky;top:0;background:#fff;border-bottom:2px solid var(--gray-300);z-index:1}
.table tr:hover td{background:var(--gray-50)}

/* Admin KPIs */
.kpi{
  display:flex;justify-content:space-between;align-items:center;border:1px solid var(--gray-200);
  border-radius:12px;padding:.75rem 1rem;margin:.5rem 0;background:#fff
}
.badgelite{display:inline-block;padding:2px 8px;border:1px solid var(--line);border-radius:999px;font-size:12px;opacity:.8}

/* ------------------------------
   Services / Tools / Features / Testimonials
   ------------------------------ */
.services-preview{background:var(--white)}
.services-grid{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(min(350px,100%),1fr));
  gap:clamp(1.5rem,4vw,2.5rem);margin-bottom:clamp(3rem,6vw,4rem)
}
.service-card{
  background:#fff;border-radius:var(--radius-xl);padding:clamp(2rem,5vw,3rem);
  box-shadow:var(--shadow-lg);transition:var(--transition-normal);border:1px solid var(--gray-200);
  position:relative;overflow:hidden;height:100%;display:flex;flex-direction:column
}
.service-card::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--primary-gradient)}
.service-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-2xl)}
.service-icon{font-size:clamp(3rem,6vw,4rem);margin-bottom:1.5rem;display:block}
.service-card h3{font-size:clamp(1.5rem,4vw,2rem);font-weight:700;margin-bottom:1rem;color:var(--dark-color)}
.service-card p{color:var(--gray-600);margin-bottom:1.5rem;line-height:1.7;font-size:clamp(.95rem,2vw,1.05rem);flex-grow:1}
.service-features{list-style:none;margin-bottom:2rem}
.service-features li{
  padding:.5rem 0;color:var(--gray-700);position:relative;padding-left:1.5rem;font-size:clamp(.9rem,2vw,1rem)
}
.service-features li::before{content:"✓";position:absolute;left:0;color:var(--success-color);font-weight:700;font-size:1.1em}
.service-pricing{background:var(--gray-50);padding:1.5rem;border-radius:var(--radius-md);text-align:center;margin-bottom:1.5rem}
.service-pricing .price{font-size:clamp(1.5rem,4vw,2rem);font-weight:800;color:var(--primary-color);margin-bottom:.5rem}
.service-pricing .period{font-size:clamp(.85rem,2vw,.95rem);color:var(--gray-600)}
.services-cta{text-align:center;margin-top:clamp(3rem,6vw,4rem)}
.services-cta h3{margin-bottom:1rem;color:var(--dark-color);font-size:clamp(1.5rem,4vw,2rem)}
.services-cta p{margin-bottom:2rem;color:var(--gray-600);font-size:clamp(1rem,2.5vw,1.1rem)}
.services-cta .btn{width:auto;min-width:clamp(140px,25vw,180px);margin:.5rem}

/* AI Tools */
.ai-tools-preview{background:var(--light-color)}
.tools-grid{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(min(300px,100%),1fr));
  gap:clamp(1.5rem,4vw,2rem);margin-bottom:clamp(3rem,6vw,4rem)
}
.tool-card{
  background:#fff;border-radius:var(--radius-lg);padding:clamp(1.5rem,4vw,2rem);
  text-align:center;box-shadow:var(--shadow-md);transition:var(--transition-normal);
  position:relative;height:100%;display:flex;flex-direction:column
}
.tool-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-xl)}
.tool-badge{
  position:absolute;top:1rem;right:1rem;padding:4px 12px;border-radius:var(--radius-full);
  font-size:clamp(.7rem,1.5vw,.8rem);font-weight:700
}
.badge-free{background:var(--success-color);color:#fff}
.badge-premium{background:var(--warning-color);color:var(--dark-color)}
.tool-card .icon{font-size:clamp(2.5rem,6vw,3.5rem);margin-bottom:1rem}
.tool-card h4{font-size:clamp(1.2rem,3vw,1.4rem);font-weight:700;margin-bottom:1rem;color:var(--dark-color)}
.tool-card p{color:var(--gray-600);margin-bottom:1.5rem;font-size:clamp(.9rem,2vw,1rem);line-height:1.6;flex-grow:1}
.tool-price{font-size:clamp(1.1rem,3vw,1.3rem);font-weight:700;color:var(--primary-color);margin-bottom:1rem}

/* Features */
.features{background:#fff}
.features-grid{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(min(280px,100%),1fr));
  gap:clamp(2rem,5vw,3rem);margin-top:clamp(3rem,6vw,4rem)
}
.feature{text-align:center;padding:clamp(1.5rem,4vw,2rem)}
.feature .icon{
  width:clamp(60px,12vw,80px);height:clamp(60px,12vw,80px);border-radius:50%;
  background:var(--primary-gradient);color:#fff;font-size:clamp(1.5rem,4vw,2rem);
  display:flex;align-items:center;justify-content:center;margin:0 auto 1.5rem;box-shadow:var(--shadow-lg)
}
.feature h4{font-size:clamp(1.2rem,3vw,1.4rem);font-weight:700;margin-bottom:1rem;color:var(--dark-color)}
.feature p{color:var(--gray-600);font-size:clamp(.95rem,2vw,1.05rem);line-height:1.6}

/* Testimonials */
.testimonials{background:var(--light-color)}
.testimonials-grid{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(min(350px,100%),1fr));
  gap:clamp(1.5rem,4vw,2rem);margin-top:clamp(3rem,6vw,4rem)
}
.testimonial{
  background:#fff;padding:clamp(2rem,5vw,2.5rem);border-radius:var(--radius-xl);box-shadow:var(--shadow-md);
  position:relative;height:100%;display:flex;flex-direction:column
}
.testimonial::before{
  content:"\"";position:absolute;top:-10px;left:20px;font-size:clamp(3rem,8vw,4rem);color:var(--primary-color);font-weight:700;line-height:1
}
.testimonial-content{
  font-style:italic;margin-bottom:1.5rem;color:var(--gray-700);line-height:1.7;font-size:clamp(.95rem,2vw,1.05rem);flex-grow:1
}
.testimonial-author{display:flex;align-items:center;gap:1rem}
.author-avatar{
  width:clamp(40px,8vw,50px);height:clamp(40px,8vw,50px);border-radius:50%;background:var(--primary-gradient);
  color:#fff;font-weight:700;display:flex;align-items:center;justify-content:center;font-size:clamp(.9rem,2vw,1rem);flex-shrink:0
}
.author-info h5{font-weight:700;color:var(--dark-color);margin-bottom:.2rem;font-size:clamp(.95rem,2vw,1.05rem)}
.author-info p{color:var(--gray-600);font-size:clamp(.85rem,1.8vw,.95rem)}

/* ------------------------------
   CTA
   ------------------------------ */
.cta-section{background:var(--primary-gradient);color:#fff;text-align:center}
.cta-section h2{font-size:clamp(2rem,6vw,3rem);font-weight:800;margin-bottom:1rem;line-height:1.2}
.cta-section p{
  font-size:clamp(1.1rem,3vw,1.3rem);opacity:.95;margin-bottom:3rem;max-width:700px;margin-inline:auto;line-height:1.6
}
.cta-buttons{display:flex;gap:clamp(1rem,3vw,1.5rem);justify-content:center;flex-wrap:wrap}
.cta-btn-white,.cta-btn-outline{
  padding:clamp(12px,3vw,18px) clamp(24px,5vw,36px);border-radius:var(--radius-full);font-weight:600;cursor:pointer;
  transition:var(--transition-normal);text-decoration:none;display:inline-block;font-size:clamp(1rem,2.5vw,1.1rem);
  min-width:clamp(160px,25vw,200px);text-align:center
}
.cta-btn-white{background:#fff;color:var(--primary-color);box-shadow:var(--shadow-lg)}
.cta-btn-outline{background:transparent;color:#fff;border:2px solid #fff}
.cta-btn-white:hover,.cta-btn-outline:hover{transform:translateY(-3px);box-shadow:var(--shadow-2xl)}

/* ------------------------------
   Footer
   ------------------------------ */
footer{background:var(--dark-color);color:#fff;padding:clamp(3rem,6vw,5rem) 0 clamp(1rem,3vw,2rem)}
.footer-content{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(min(250px,100%),1fr));
  gap:clamp(2rem,5vw,3rem);margin-bottom:clamp(2rem,4vw,3rem)
}
.footer-section h4{font-size:clamp(1.1rem,3vw,1.3rem);font-weight:700;margin-bottom:1rem;color:#fff}
.footer-section p{color:var(--gray-400);margin-bottom:1rem;font-size:clamp(.9rem,2vw,1rem);line-height:1.6}
.footer-section ul{list-style:none}
.footer-section ul li{margin-bottom:.5rem}
.footer-section ul li a{color:var(--gray-400);text-decoration:none;transition:var(--transition-normal);font-size:clamp(.9rem,2vw,1rem)}
.footer-section ul li a:hover{color:#fff}
.footer-bottom{border-top:1px solid var(--gray-700);padding-top:clamp(1rem,3vw,2rem);text-align:center;color:var(--gray-400)}
.footer-bottom p{font-size:clamp(.85rem,2vw,.95rem);margin-bottom:.5rem}

/* ------------------------------
   Floating Speed-Dial (FAB)
   ------------------------------ */
.ih-fab{position:fixed;right:18px;bottom:18px;z-index:999}
.ih-fab__launcher{
  width:56px;height:56px;border-radius:50%;border:0;cursor:pointer;
  background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;font-size:22px;
  box-shadow:0 10px 20px rgba(0,0,0,.15);transition:transform .2s ease, box-shadow .2s ease;
}
.ih-fab__launcher:hover{transform:translateY(-2px);box-shadow:0 14px 28px rgba(0,0,0,.2)}
.ih-fab__menu{
  position:absolute;right:0;bottom:70px;display:grid;gap:10px;
  transform:translateY(10px);opacity:0;pointer-events:none;transition:all .2s ease;
}
.ih-fab.open .ih-fab__menu{transform:translateY(0);opacity:1;pointer-events:auto}
.ih-fab__btn{
  width:48px;height:48px;border-radius:50%;display:grid;place-items:center;text-decoration:none;
  box-shadow:0 8px 16px rgba(0,0,0,.12);font-size:20px;border:0;cursor:pointer;transition:transform .2s ease
}
.ih-fab__btn:hover{transform:translateY(-2px)}
.ih-fab__btn--whatsapp{background:#25D366;color:#fff}
.ih-fab__btn--phone{background:#0ea5e9;color:#fff}
.ih-fab__btn--email{background:#334155;color:#fff}
.ih-fab__btn--consult{background:#facc15;color:#1c1917;font-weight:800}
.ih-fab__btn--agent{background:#111827;color:#fff}

/* ------------------------------
   AI Agent
   ------------------------------ */
.ih-agent{
  position:fixed;right:18px;bottom:84px;width:min(360px,92vw);max-height:70vh;
  background:#fff;border:1px solid #e5e7eb;border-radius:16px;box-shadow:0 20px 40px rgba(0,0,0,.18);
  display:flex;flex-direction:column;overflow:hidden;transform:translateY(12px) scale(.98);
  opacity:0;pointer-events:none;transition:all .22s cubic-bezier(.2,.7,.3,1)
}
.ih-agent.open{transform:translateY(0) scale(1);opacity:1;pointer-events:auto}
.ih-agent__header{display:flex;justify-content:space-between;align-items:center;padding:.8rem 1rem;background:#111827;color:#fff}
.ih-agent__title{font-weight:700}
.ih-agent__close{background:transparent;border:0;color:#fff;font-size:20px;cursor:pointer}
.ih-agent__body{padding:12px;overflow:auto;display:flex;flex-direction:column;gap:10px}
.ih-agent__bubble{padding:10px 12px;border-radius:12px;max-width:85%;line-height:1.45;box-shadow:0 1px 2px rgba(0,0,0,.06)}
.ih-agent__bubble--in{background:#f3f4f6;color:#111827;align-self:flex-start}
.ih-agent__bubble--out{background:#667eea;color:#fff;align-self:flex-end}
.ih-agent__quick{display:flex;gap:8px;flex-wrap:wrap}
.ih-agent__quick button{
  background:#eef2ff;border:1px solid #c7d2fe;border-radius:999px;padding:6px 10px;cursor:pointer
}
.ih-agent__inputrow{display:flex;gap:8px;padding:10px;border-top:1px solid #e5e7eb}
.ih-agent__inputrow input{
  flex:1;border:1px solid #e5e7eb;border-radius:10px;padding:10px 12px;font:inherit
}
.ih-agent__send{
  background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border:0;border-radius:10px;padding:10px 14px;cursor:pointer
}
@media (max-width:480px){
  .ih-agent{right:10px;left:10px;width:auto}
}

/* ------------------------------
   Animations / Helpers
   ------------------------------ */
@keyframes fadeInUp{from{opacity:0;transform:translateY(40px)}to{opacity:1;transform:translateY(0)}}
@keyframes slideInLeft{from{opacity:0;transform:translateX(-40px)}to{opacity:1;transform:translateX(0)}}
@keyframes slideInRight{from{opacity:0;transform:translateX(40px)}to{opacity:1;transform:translateX(0)}}

.animate-on-scroll{opacity:0;transform:translateY(40px);transition:all .8s cubic-bezier(.4,0,.2,1)}
.animate-on-scroll.animated{opacity:1;transform:translateY(0)}
.animate-slide-left{opacity:0;transform:translateX(-40px);transition:all .8s cubic-bezier(.4,0,.2,1)}
.animate-slide-left.animated{opacity:1;transform:translateX(0)}
.animate-slide-right{opacity:0;transform:translateX(40px);transition:all .8s cubic-bezier(.4,0,.2,1)}
.animate-slide-right.animated{opacity:1;transform:translateX(0)}

.loading{position:relative;pointer-events:none;opacity:.7}
.loading::after{
  content:"";position:absolute;top:50%;left:50%;width:20px;height:20px;margin:-10px 0 0 -10px;
  border:2px solid transparent;border-top:2px solid var(--primary-color);border-radius:50%;animation:spin 1s linear infinite
}
@keyframes spin{to{transform:rotate(360deg)}}

/* Utilities */
.text-center{text-align:center}.text-left{text-align:left}.text-right{text-align:right}
.mt-0{margin-top:0}.mt-1{margin-top:.5rem}.mt-2{margin-top:1rem}.mt-3{margin-top:1.5rem}.mt-4{margin-top:2rem}
.mb-0{margin-bottom:0}.mb-1{margin-bottom:.5rem}.mb-2{margin-bottom:1rem}.mb-3{margin-bottom:1.5rem}.mb-4{margin-bottom:2rem}
.p-0{padding:0}.p-1{padding:.5rem}.p-2{padding:1rem}.p-3{padding:1.5rem}.p-4{padding:2rem}
.w-full{width:100%}.h-full{height:100%}
.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}
.justify-center{justify-content:center}.justify-between{justify-content:space-between}
.hidden{display:none}.block{display:block}.inline-block{display:inline-block}

/* Scrollbars */
::-webkit-scrollbar{width:8px}
::-webkit-scrollbar-track{background:var(--gray-100)}
::-webkit-scrollbar-thumb{background:var(--gray-400);border-radius:4px}
::-webkit-scrollbar-thumb:hover{background:var(--gray-500)}
*{scrollbar-width:thin;scrollbar-color:var(--gray-400) var(--gray-100)}

/* Selection */
::selection{background:rgba(102,126,234,.2);color:var(--dark-color)}
::-moz-selection{background:rgba(102,126,234,.2);color:var(--dark-color)}

/* Performance hints */
.service-card,.tool-card,.testimonial,.feature{contain:layout style paint}
.animate-on-scroll,.animate-slide-left,.animate-slide-right,.hero-btn,.btn,.cta-btn,.service-card,.tool-card{will-change:transform}
.animate-on-scroll.animated,.animate-slide-left.animated,.animate-slide-right.animated{will-change:auto}

/* Focus styles */
.btn:focus,.cta-btn:focus,.hero-btn:focus,.cta-btn-white:focus,.cta-btn-outline:focus{
  outline:3px solid rgba(102,126,234,.5);outline-offset:2px
}
.nav-links a:focus{outline:2px solid var(--primary-color);outline-offset:4px;border-radius:var(--radius-sm)}

/* Print */
@media print{
  .hero,.cta-section{background:#fff !important;color:var(--dark-color) !important;-webkit-print-color-adjust:exact;print-color-adjust:exact}
  .service-card,.tool-card,.testimonial{box-shadow:none !important;border:1px solid var(--gray-300) !important;page-break-inside:avoid}
  .mobile-menu,.mobile-menu-btn{display:none !important}
  .section{page-break-inside:avoid}
  .hero{page-break-after:always}
}

/* iOS Safari specific fixes */
@supports (-webkit-touch-callout:none){
  .hero{min-height:-webkit-fill-available}
  .mobile-menu{height:-webkit-fill-available}
}

/* Dark mode tweak */
@media (prefers-color-scheme:dark){
  .service-card,.tool-card,.testimonial{box-shadow:var(--shadow-lg),0 0 0 1px rgba(255,255,255,.05)}
}

/* Reduced motion */
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important;scroll-behavior:auto !important}
  .animate-on-scroll,.animate-slide-left,.animate-slide-right{opacity:1 !important;transform:none !important}
}

/* ------------------------------
   Responsive Breakpoints
   ------------------------------ */

/* <=480px */
@media (max-width:480px){
  :root{--container-padding:16px;--section-padding:clamp(40px,8vw,60px)}
  .hero-cta{flex-direction:column;align-items:center}
  .hero-btn{width:100%;max-width:280px}
  .hero-stats{gap:.8rem}
  .hero-stats .stat{flex:1 1 calc(50% - .8rem);min-width:160px;max-width:none}
  .cta-buttons{flex-direction:column;align-items:center}
  .cta-btn-white,.cta-btn-outline{width:100%;max-width:280px}
  .services-grid,.tools-grid,.testimonials-grid,.features-grid{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
}

/* 481px–768px */
@media (min-width:481px) and (max-width:768px){
  .nav-links{display:none}
  .mobile-menu-btn{display:block}
  .services-grid{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}
  .tools-grid{grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}
  .features-grid{grid-template-columns:repeat(2,1fr)}
  .form-row{grid-template-columns:1fr}
}

/* 769px–1024px */
@media (min-width:769px) and (max-width:1024px){
  .nav-links{gap:1.5rem}
  .services-grid{grid-template-columns:repeat(2,1fr)}
  .tools-grid{grid-template-columns:repeat(3,1fr)}
  .features-grid{grid-template-columns:repeat(3,1fr)}
  .testimonials-grid{grid-template-columns:repeat(2,1fr)}
}

/* 1025px–1440px */
@media (min-width:1025px) and (max-width:1440px){
  .container{padding:0 3rem}
  .services-grid{grid-template-columns:repeat(2,1fr)}
  .tools-grid{grid-template-columns:repeat(3,1fr)}
  .testimonials-grid{grid-template-columns:repeat(3,1fr)}
}

/* >=1441px */
@media (min-width:1441px){
  .container{padding:0 4rem}
  .container-content{max-width:1600px}
  .services-grid{grid-template-columns:repeat(4,1fr)}
  .tools-grid{grid-template-columns:repeat(4,1fr)}
  .features-grid{grid-template-columns:repeat(4,1fr)}
  .testimonials-grid{grid-template-columns:repeat(3,1fr)}
}

/* >=1921px */
@media (min-width:1921px){
  .container{padding:0 5rem}
  .container-content{max-width:1800px}
  .hero h1{font-size:6rem}
  .section-title{font-size:4rem}
}

/* Tablet landscape tweak */
@media (min-width:769px) and (max-width:1024px) and (orientation:landscape){
  .hero{min-height:90vh}
}