/* ========== Reset & Variables ========== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}

:root{
  --bg:#f0f7f6;--fg:#1e3a3a;
  --card:#fff;--card-fg:#1e3a3a;
  --primary:#1a7a72;--primary-fg:#fff;
  --secondary:#e8f3f1;--secondary-fg:#1e3a3a;
  --muted:#6b8a8a;--muted-bg:#e0edeb;
  --accent:#e6a817;--accent-fg:#fff;
  --border:#d0e0dd;
  --radius:0.75rem;
  --font-heading:'Outfit',sans-serif;
  --font-body:'DM Sans',sans-serif;
  --gradient-hero:linear-gradient(135deg,#1a7a72,#2980b9);
  --gradient-gold:linear-gradient(135deg,#e6a817,#d4851a);
  --shadow-card:0 4px 24px -4px rgba(26,122,114,.1);
  --shadow-card-hover:0 12px 32px -8px rgba(26,122,114,.2);
}

html{scroll-behavior:smooth}
body{font-family:var(--font-body);background:var(--bg);color:var(--fg);line-height:1.6}
h1,h2,h3,h4,h5,h6{font-family:var(--font-heading);line-height:1.2}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}

.container{max-width:72rem;margin:0 auto;padding:0 1.5rem}
.container-md{max-width:56rem;margin:0 auto;padding:0 1.5rem}
.container-sm{max-width:42rem;margin:0 auto;padding:0 1.5rem}

.text-muted{color:var(--muted)}
.text-accent{color:var(--accent)}
.text-white{color:#fff}
.text-white-muted{color:rgba(255,255,255,.7)}
.text-lg{font-size:1.125rem}
.text-sm{font-size:.875rem}
.text-xs{font-size:.75rem}
.text-center{text-align:center}

/* ========== Header ========== */
.header{position:fixed;top:0;left:0;right:0;z-index:100;transition:all .3s}
.header.scrolled{background:rgba(255,255,255,.95);backdrop-filter:blur(12px);box-shadow:var(--shadow-card);border-bottom:1px solid var(--border)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:4rem}
.logo{font-family:var(--font-heading);font-size:1.25rem;font-weight:700;color:var(--primary-fg);transition:color .3s}
.header.scrolled .logo{color:var(--fg)}
.desktop-nav{display:none;align-items:center;gap:.25rem}
.nav-link{background:none;border:none;padding:.5rem .75rem;border-radius:.5rem;font-size:.875rem;font-weight:500;cursor:pointer;color:rgba(255,255,255,.8);transition:all .2s}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.1)}
.header.scrolled .nav-link{color:var(--muted)}
.header.scrolled .nav-link:hover{color:var(--fg);background:var(--secondary)}
.mobile-toggle{background:none;border:none;font-size:1.5rem;cursor:pointer;color:var(--primary-fg);padding:.5rem}
.header.scrolled .mobile-toggle{color:var(--fg)}
.mobile-menu{display:none;background:rgba(255,255,255,.95);backdrop-filter:blur(12px);border-bottom:1px solid var(--border);padding:1rem 0}
.mobile-menu.open{display:block}
.mobile-nav-link{display:block;width:100%;text-align:left;background:none;border:none;padding:.625rem .75rem;border-radius:.5rem;color:var(--fg);font-size:.875rem;font-weight:500;cursor:pointer;transition:background .2s}
.mobile-nav-link:hover{background:var(--secondary)}
.mobile-ideas-divider{border-top:1px solid var(--border);margin:1rem 0}
.mobile-ideas-title{padding:.25rem .75rem;font-size:.7rem;font-weight:600;color:var(--muted);text-transform:uppercase;letter-spacing:.1em}

@media(min-width:1024px){
  .desktop-nav{display:flex}
  .mobile-toggle{display:none}
}

/* ========== Buttons ========== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;border:none;border-radius:var(--radius);font-weight:600;cursor:pointer;transition:opacity .2s}
.btn-gold{background:var(--gradient-gold);color:var(--accent-fg)}
.btn-outline{background:transparent;border:2px solid rgba(255,255,255,.3);color:#fff;backdrop-filter:blur(4px)}
.btn-outline:hover{background:rgba(255,255,255,.1)}
.btn-sm{padding:.5rem 1rem;font-size:.875rem}
.btn-lg{padding:1rem 2rem;font-size:1.125rem}
.btn-full{width:100%}
.btn:hover{opacity:.9}

/* ========== Badge ========== */
.badge{display:inline-block;padding:.5rem 1rem;border-radius:9999px;font-size:.875rem;font-weight:500;background:rgba(230,168,23,.2);color:var(--accent);border:1px solid rgba(230,168,23,.3);backdrop-filter:blur(4px)}
.badge-sm{font-size:.8rem;padding:.375rem .75rem}

/* ========== Hero ========== */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;justify-content:center;background:url('hero-dna.jpg') center/cover no-repeat;overflow:hidden}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(to bottom,rgba(30,58,58,.7),rgba(30,58,58,.5),rgba(30,58,58,.8))}
.hero-content{position:relative;z-index:2;text-align:center;padding:2rem 1.5rem}
.hero-title{font-size:clamp(3rem,8vw,6rem);font-weight:800;color:#fff;margin:.75rem 0;letter-spacing:-.02em}
.hero-subtitle{font-size:clamp(1.125rem,2.5vw,1.5rem);color:rgba(255,255,255,.8);max-width:40rem;margin:0 auto 2.5rem;font-weight:300}
.hero-buttons{display:flex;flex-wrap:wrap;gap:1rem;justify-content:center}
.hero-arrow{position:absolute;bottom:2rem;left:50%;transform:translateX(-50%);font-size:1.5rem;color:rgba(255,255,255,.5);cursor:pointer;animation:bounce 2s infinite}
@keyframes bounce{0%,100%{transform:translateX(-50%) translateY(0)}50%{transform:translateX(-50%) translateY(12px)}}

/* ========== Sections ========== */
.section{padding:6rem 1.5rem}
.section-alt{background:var(--secondary)}
.section-gradient{background:var(--gradient-hero);position:relative;overflow:hidden}
.section-header{text-align:center;margin-bottom:4rem}
.section-header h2{font-size:clamp(1.75rem,4vw,2.5rem);font-weight:700;margin-bottom:1rem}

/* ========== Cards & Grids ========== */
.grid-3{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:2rem}
.grid-4{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:1.5rem}
.card{padding:2rem;border-radius:1rem;background:var(--card);border:1px solid var(--border);transition:box-shadow .3s,transform .3s}
.card:hover{box-shadow:var(--shadow-card-hover);transform:translateY(-2px)}
.card-link{display:block;text-decoration:none;color:inherit}
.card-icon{font-size:2rem;margin-bottom:1rem}
.card h3{font-size:1.25rem;font-weight:600;margin-bottom:.5rem}
.link-arrow{display:inline-block;margin-top:.75rem;color:var(--primary);font-weight:600;font-size:.875rem}

/* ========== Trends ========== */
.trends-card{background:var(--card);border-radius:1rem;border:1px solid var(--border);padding:1.5rem 2rem;box-shadow:var(--shadow-card)}
.trends-header{display:grid;grid-template-columns:1fr auto auto 1fr;gap:1rem;font-size:.875rem;font-weight:500;color:var(--muted);padding:.5rem;margin-bottom:.5rem}
.trend-row{display:grid;grid-template-columns:1fr auto auto 1fr;gap:1rem;align-items:center;padding:.75rem .5rem;border-radius:.75rem;transition:background .2s}
.trend-row:hover{background:var(--secondary)}
.trend-keyword{font-weight:500}
.trend-volume{font-weight:600;font-variant-numeric:tabular-nums}
.trend-change{color:var(--primary);font-weight:600;font-size:.875rem}
.trend-bar-wrap{height:.5rem;border-radius:9999px;background:var(--border);overflow:hidden}
.trend-bar{height:100%;border-radius:9999px;background:var(--gradient-hero);width:0;transition:width 1s ease}
@media(max-width:768px){
  .trends-header{grid-template-columns:1fr auto auto}
  .trends-header span:last-child,.trend-row .trend-bar-wrap{display:none}
  .trend-row{grid-template-columns:1fr auto auto}
}

/* ========== Stats ========== */
.stat-card{text-align:center;padding:1.5rem;border-radius:1rem;background:rgba(255,255,255,.1);backdrop-filter:blur(4px);border:1px solid rgba(255,255,255,.2)}
.stat-icon{font-size:2rem;margin-bottom:1rem}
.stat-value{font-size:clamp(2.25rem,5vw,3rem);font-family:var(--font-heading);font-weight:700;color:#fff;margin-bottom:.5rem}
.stat-label{font-size:.875rem;font-weight:600;color:#fff;margin-bottom:.25rem}
.stat-desc{font-size:.75rem;color:rgba(255,255,255,.6)}

/* ========== Steps ========== */
.steps-timeline{position:relative;padding-left:3.5rem}
.steps-timeline::before{content:'';position:absolute;left:2rem;top:0;bottom:0;width:2px;background:var(--border)}
.step{display:flex;gap:1.5rem;align-items:flex-start;margin-bottom:2rem}
.step-icon{width:4rem;height:4rem;border-radius:1rem;background:var(--gradient-hero);display:flex;align-items:center;justify-content:center;font-size:1.5rem;flex-shrink:0;position:relative;z-index:2}
.step h3{font-size:1.125rem;font-weight:600;margin-bottom:.25rem}

/* ========== FAQ ========== */
.faq-item{background:var(--card);border:1px solid var(--border);border-radius:.75rem;margin-bottom:.75rem;overflow:hidden;transition:box-shadow .3s}
.faq-item.open{box-shadow:var(--shadow-card)}
.faq-question{width:100%;display:flex;justify-content:space-between;align-items:center;padding:1.25rem 1.5rem;background:none;border:none;cursor:pointer;font-family:var(--font-heading);font-weight:600;font-size:1rem;color:var(--fg);text-align:left;gap:1rem}
.faq-chevron{transition:transform .3s;font-size:.75rem;color:var(--muted)}
.faq-item.open .faq-chevron{transform:rotate(180deg)}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .3s ease,padding .3s}
.faq-answer p{padding:0 1.5rem 1.25rem;color:var(--muted);line-height:1.7}
.faq-item.open .faq-answer{max-height:300px}

/* ========== Form ========== */
.form-card{background:var(--card);border-radius:1rem;padding:2rem;box-shadow:var(--shadow-card);border:1px solid var(--border)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:1.25rem}
@media(max-width:640px){.form-row{grid-template-columns:1fr}}
.form-group{margin-bottom:1.25rem}
.form-group label{display:block;font-size:.875rem;font-weight:500;margin-bottom:.375rem}
.form-group input,.form-group textarea{width:100%;padding:.75rem 1rem;border-radius:var(--radius);border:1px solid var(--border);background:var(--card);color:var(--fg);font-family:var(--font-body);font-size:1rem;transition:border-color .2s,box-shadow .2s}
.form-group input:focus,.form-group textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(26,122,114,.15)}
.form-group input.error,.form-group textarea.error{border-color:#e74c3c}
.form-error{color:#e74c3c;font-size:.75rem;margin-top:.25rem;display:block;min-height:1rem}
.form-check{display:flex;align-items:center;gap:.75rem;margin-bottom:.75rem}
.form-check input{width:1.25rem;height:1.25rem;accent-color:var(--primary)}
.form-check label{font-size:.875rem;cursor:pointer}
.form-success{text-align:center;padding:3rem}
.success-icon{font-size:4rem;margin-bottom:1.5rem}

/* ========== Footer ========== */
.footer{background:var(--fg);color:var(--primary-fg);padding:4rem 1.5rem 2rem}
.footer-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:3rem;margin-bottom:3rem}
.footer-logo{font-family:var(--font-heading);font-size:1.5rem;font-weight:700;margin-bottom:1rem}
.footer-desc{color:rgba(255,255,255,.7);font-size:.875rem;line-height:1.6}
.footer-heading{font-family:var(--font-heading);font-weight:600;color:var(--accent);margin-bottom:1rem;font-size:.95rem}
.footer-links{list-style:none}
.footer-links li{margin-bottom:.5rem}
.footer-links a,.footer-links button{background:none;border:none;color:rgba(255,255,255,.7);font-size:.875rem;cursor:pointer;padding:0;font-family:var(--font-body);transition:color .2s}
.footer-links a:hover,.footer-links button:hover{color:var(--accent)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.2);padding-top:2rem;display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:1rem}
.footer-bottom p{font-size:.875rem;color:rgba(255,255,255,.5)}
.footer-cta{background:none;border:none;color:var(--accent);font-size:.875rem;font-weight:500;cursor:pointer;transition:opacity .2s}
.footer-cta:hover{opacity:.8}

/* ========== Back to Top ========== */
.back-to-top{position:fixed;bottom:2rem;right:2rem;z-index:90;width:3rem;height:3rem;border-radius:50%;background:var(--gradient-hero);color:#fff;border:none;font-size:1.25rem;cursor:pointer;box-shadow:0 4px 12px rgba(0,0,0,.2);opacity:0;transform:scale(.8);transition:opacity .3s,transform .3s;pointer-events:none}
.back-to-top.visible{opacity:1;transform:scale(1);pointer-events:auto}
.back-to-top:hover{opacity:.9}

/* ========== Animations ========== */
.fade-in{opacity:0;transform:translateY(20px);transition:opacity .6s ease,transform .6s ease}
.fade-in.visible{opacity:1;transform:translateY(0)}

/* ========== Hide Mobile ========== */
.hide-mobile{display:none}
@media(min-width:769px){.hide-mobile{display:block}}


/* ========== Idea Pages ========== */
.idea-header{background:var(--gradient-hero);padding:1.5rem 0}
.idea-header-inner{display:flex;align-items:center;justify-content:space-between}
.idea-back{display:flex;align-items:center;gap:.5rem;color:rgba(255,255,255,.8);font-size:.95rem;transition:color .2s}
.idea-back:hover{color:#fff}
.idea-logo{font-family:var(--font-heading);font-weight:700;font-size:1.25rem}
.idea-icon-big{font-size:3rem;margin-bottom:1.5rem}
.idea-title{font-size:clamp(2rem,5vw,3rem);font-weight:800;margin-bottom:1.5rem}
.idea-stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:1.5rem}
.idea-stat{padding:1.5rem;border-radius:1rem;background:var(--card);border:1px solid var(--border);text-align:center;box-shadow:var(--shadow-card)}
.idea-stat-value{font-family:var(--font-heading);font-size:1.75rem;font-weight:700;color:var(--primary);margin-bottom:.5rem}
.idea-stat-label{font-size:.875rem;color:var(--muted)}
.opps-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1rem}
.opp-item{display:flex;align-items:center;gap:.75rem;padding:1rem;border-radius:.75rem;background:var(--card);border:1px solid var(--border);font-weight:500}