/* =====================================================================
   nguyendieuhoa.com — Premium dark AI-SaaS theme (bám màu solobiz.com.vn)
   ===================================================================== */
:root{
  --bg:#050509;
  --bg-2:#08080f;
  --bg-3:#0b0b15;
  --panel:rgba(255,255,255,.035);
  --panel-solid:#101019;
  --line:rgba(244,246,251,.09);
  --line-2:rgba(244,246,251,.16);
  --text:#f4f6fb;
  --text-soft:rgba(244,246,251,.70);
  --text-dim:rgba(244,246,251,.42);

  --cyan:#00d9ff;
  --blue:#2e6bff;
  --purple:#8b5cf6;
  --purple-light:#c084fc;
  --green:#34d399;
  --amber:#fbbf24;
  --rose:#ff6b8a;

  --grad:linear-gradient(96deg,#00d9ff 0%,#2e6bff 38%,#8b5cf6 72%,#c084fc 100%);
  --grad-2:linear-gradient(135deg,#2e6bff,#8b5cf6);
  --grad-soft:linear-gradient(135deg,rgba(0,217,255,.14),rgba(46,107,255,.12),rgba(139,92,246,.14));

  --radius:18px;
  --radius-lg:26px;
  --radius-xl:34px;
  --shadow:0 20px 60px rgba(0,0,0,.45);
  --shadow-lg:0 40px 100px rgba(0,0,0,.6);
  --glow-blue:0 0 50px rgba(46,107,255,.45);
  --glow-purple:0 0 60px rgba(139,92,246,.4);
  --maxw:1160px;
  --font:'Be Vietnam Pro','Inter',system-ui,-apple-system,sans-serif;
  --ease:cubic-bezier(.22,1,.36,1);
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font);
  color:var(--text);
  background:var(--bg);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
  position:relative;
}
/* grain overlay toàn trang */
body::after{
  content:"";position:fixed;inset:0;z-index:1;pointer-events:none;opacity:.04;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  mix-blend-mode:overlay;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px;position:relative;z-index:2}

.grad-text{
  background:var(--grad);-webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:transparent;
}

/* ===================== SCROLL REVEAL (chỉ ẩn khi JS bật) ===================== */
.js [data-reveal]{opacity:0;transform:translateY(26px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.js [data-reveal].in{opacity:1;transform:none}
.js [data-reveal][data-d="1"]{transition-delay:.08s}
.js [data-reveal][data-d="2"]{transition-delay:.16s}
.js [data-reveal][data-d="3"]{transition-delay:.24s}
.js [data-reveal][data-d="4"]{transition-delay:.32s}
.js [data-reveal][data-d="5"]{transition-delay:.40s}
@media(prefers-reduced-motion:reduce){.js [data-reveal]{opacity:1;transform:none;transition:none}}

/* ===================== PLACEHOLDER ===================== */
.ph{background:rgba(251,191,36,.14);border-bottom:2px dashed var(--amber);color:var(--amber);font-weight:600;padding:0 3px;border-radius:4px}
.ph--block{display:block;background:rgba(251,191,36,.07);border:1px dashed var(--amber);border-radius:10px;padding:14px 16px;color:var(--amber);font-style:italic}
.ph-inline{background:rgba(251,191,36,.14);border-bottom:2px dashed var(--amber);color:var(--amber);padding:0 3px;border-radius:4px}
.ph-banner{position:sticky;top:0;z-index:1000;background:rgba(13,13,22,.9);backdrop-filter:blur(10px);color:var(--amber);font-size:13.5px;text-align:center;padding:9px 44px 9px 16px;border-bottom:1px solid var(--line)}
.ph-banner button{position:absolute;right:12px;top:50%;transform:translateY(-50%);background:none;border:none;color:var(--amber);font-size:16px;cursor:pointer}
.ph-banner.hidden{display:none}

/* ===================== BUTTONS ===================== */
.btn{
  position:relative;display:inline-flex;align-items:center;justify-content:center;gap:9px;
  font-family:var(--font);font-weight:700;border-radius:999px;cursor:pointer;
  border:1.5px solid transparent;overflow:hidden;
  transition:transform .2s var(--ease),box-shadow .25s var(--ease),background .2s,border-color .2s;
  white-space:nowrap;line-height:1;
}
.btn--primary{background:var(--grad);color:#fff;box-shadow:var(--glow-blue)}
.btn--primary::after{content:"";position:absolute;top:0;left:-120%;width:60%;height:100%;
  background:linear-gradient(100deg,transparent,rgba(255,255,255,.5),transparent);transform:skewX(-18deg);transition:left .6s var(--ease)}
.btn--primary:hover{transform:translateY(-2px);box-shadow:0 0 65px rgba(139,92,246,.6)}
.btn--primary:hover::after{left:130%}
.btn--ghost{background:rgba(244,246,251,.04);border-color:var(--line-2);color:var(--text);backdrop-filter:blur(6px)}
.btn--ghost:hover{background:rgba(244,246,251,.08);border-color:var(--purple);transform:translateY(-2px)}
.btn--small{padding:11px 21px;font-size:14px}
.btn--large{padding:18px 36px;font-size:17px}
.btn--block{width:100%}

/* ===================== HIỆU ỨNG CAO CẤP ===================== */
@property --spin{syntax:'<angle>';inherits:false;initial-value:0deg}
@keyframes spin360{to{transform:rotate(360deg)}}
@keyframes spinvar{to{--spin:360deg}}
@keyframes marquee{from{transform:translateX(0)}to{transform:translateX(-50%)}}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}
@keyframes glowpulse{0%,100%{opacity:.6}50%{opacity:1}}

/* halo xoay sau headline */
.hero__halo{position:absolute;top:44%;left:50%;width:760px;height:760px;transform:translate(-50%,-50%);
  border-radius:50%;pointer-events:none;
  background:conic-gradient(from 0deg,transparent 0deg,rgba(0,217,255,.16) 60deg,transparent 120deg,rgba(139,92,246,.16) 220deg,transparent 300deg);
  filter:blur(46px);animation:spin360 26s linear infinite;
  mask:radial-gradient(circle,transparent 32%,#000 52%,transparent 74%);
  -webkit-mask:radial-gradient(circle,transparent 32%,#000 52%,transparent 74%)}

/* marquee band */
.marquee{overflow:hidden;border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  background:linear-gradient(90deg,rgba(46,107,255,.06),rgba(139,92,246,.06));padding:16px 0;position:relative;z-index:2}
.marquee__track{display:flex;align-items:center;gap:34px;width:max-content;animation:marquee 34s linear infinite;white-space:nowrap}
.marquee__track span{font-weight:700;font-size:18px;letter-spacing:-.01em;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.marquee__track i{color:var(--purple);font-style:normal;font-size:12px;opacity:.7}
.marquee:hover .marquee__track{animation-play-state:paused}

/* viền gradient động cho glass-card (bọc quanh) */
.glass-card{position:relative;isolation:isolate}
.glass-card::after{content:"";position:absolute;inset:-1.5px;border-radius:20px;z-index:-1;padding:1.5px;
  background:conic-gradient(from var(--spin,0deg),#00d9ff,#2e6bff,#8b5cf6,#c084fc,#00d9ff);
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;
  opacity:0;transition:opacity .35s}
.glass-card:hover::after{opacity:.9;animation:spinvar 4s linear infinite}

/* ===================== NAV ===================== */
.nav{position:sticky;top:0;z-index:900;background:rgba(5,5,9,.72);backdrop-filter:blur(16px) saturate(140%);border-bottom:1px solid var(--line)}
.nav__inner{display:flex;align-items:center;justify-content:space-between;height:72px;gap:20px}
.nav__logo{font-weight:800;font-size:20px;letter-spacing:-.02em;flex-shrink:0}
.nav__logo-dot{background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.nav__links{display:flex;align-items:center;gap:26px;font-size:15px;font-weight:500}
.nav__links>a,.nav__dd-toggle{color:var(--text-soft);position:relative;transition:color .15s;display:inline-flex;align-items:center;gap:5px;cursor:pointer}
.nav__links>a::after,.nav__dd-toggle::after{content:"";position:absolute;left:0;bottom:-8px;width:0;height:2px;background:var(--grad);transition:width .25s var(--ease)}
.nav__links>a:hover,.nav__dd-toggle:hover{color:var(--text)}
.nav__links>a:hover::after,.nav__dd:hover .nav__dd-toggle::after{width:100%}
/* dropdown */
.nav__dd{position:relative}
.nav__dd-toggle svg{transition:transform .25s var(--ease)}
.nav__dd:hover .nav__dd-toggle svg{transform:rotate(180deg)}
.nav__dd-menu{position:absolute;top:calc(100% + 14px);left:50%;transform:translateX(-50%) translateY(8px);
  min-width:300px;background:rgba(16,16,26,.96);backdrop-filter:blur(18px);border:1px solid var(--line-2);border-radius:18px;
  padding:10px;box-shadow:var(--shadow-lg);opacity:0;visibility:hidden;transition:opacity .22s,transform .22s var(--ease);display:grid;gap:4px}
.nav__dd:hover .nav__dd-menu{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}
.nav__dd-menu::before{content:"";position:absolute;top:-16px;left:0;right:0;height:16px}
.nav__dd-menu a{display:flex;flex-direction:column;gap:2px;padding:11px 14px;border-radius:12px;transition:background .15s}
.nav__dd-menu a span{font-weight:600;color:var(--text);font-size:14.5px}
.nav__dd-menu a small{color:var(--text-dim);font-size:12.5px}
.nav__dd-menu a:hover{background:var(--grad-soft)}
.nav__right{display:flex;align-items:center;gap:18px;flex-shrink:0}
.nav__social{display:flex;gap:12px}
.nav__social a{color:var(--text-dim);transition:color .18s,transform .18s}
.nav__social a:hover{color:var(--text);transform:translateY(-2px)}
.nav__burger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:6px}
.nav__burger span{width:24px;height:2px;background:var(--text);border-radius:2px;transition:.25s}
.nav.open .nav__burger span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav.open .nav__burger span:nth-child(2){opacity:0}
.nav.open .nav__burger span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ===================== HERO ===================== */
.hero{position:relative;padding:118px 0 96px;text-align:center;overflow:hidden;isolation:isolate}
.hero__bg{position:absolute;inset:0;z-index:0;overflow:hidden}
/* lưới mờ */
.hero__bg::before{content:"";position:absolute;inset:-2px;
  background-image:linear-gradient(rgba(244,246,251,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(244,246,251,.05) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:radial-gradient(ellipse 70% 60% at 50% 30%,#000 20%,transparent 72%);
  -webkit-mask-image:radial-gradient(ellipse 70% 60% at 50% 30%,#000 20%,transparent 72%);}
.orb{position:absolute;border-radius:50%;filter:blur(70px);opacity:.55;animation:float 14s ease-in-out infinite}
.orb--1{width:480px;height:480px;background:radial-gradient(circle,#2e6bff,transparent 70%);top:-140px;right:-80px}
.orb--2{width:420px;height:420px;background:radial-gradient(circle,#8b5cf6,transparent 70%);top:40px;left:-120px;animation-delay:-4s}
.orb--3{width:340px;height:340px;background:radial-gradient(circle,#00d9ff,transparent 70%);bottom:-120px;left:40%;opacity:.4;animation-delay:-8s}
@keyframes float{0%,100%{transform:translate(0,0) scale(1)}50%{transform:translate(24px,-30px) scale(1.08)}}

.hero__badge{display:inline-flex;align-items:center;gap:9px;padding:8px 16px 8px 12px;border-radius:999px;
  background:rgba(255,255,255,.04);border:1px solid var(--line-2);font-size:13px;font-weight:600;color:var(--text-soft);margin-bottom:26px;backdrop-filter:blur(8px)}
.hero__badge .dot{width:8px;height:8px;border-radius:50%;background:var(--cyan);box-shadow:0 0 12px var(--cyan);animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
.hero__headline{font-size:clamp(34px,5.6vw,66px);line-height:1.05;font-weight:800;letter-spacing:-.025em;max-width:960px;margin:0 auto 24px}
.hero__sub{font-size:clamp(16px,2.1vw,20px);color:var(--text-soft);max-width:680px;margin:0 auto 36px}
.hero__cta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-bottom:56px}
.hero__proof{display:flex;gap:18px;justify-content:center;flex-wrap:wrap;max-width:760px;margin:0 auto}
.proof-chip{display:flex;flex-direction:column;gap:2px;padding:16px 24px;border-radius:16px;background:var(--panel);border:1px solid var(--line);backdrop-filter:blur(8px);min-width:150px}
.proof-chip strong{font-size:26px;font-weight:800;line-height:1.1}
.proof-chip span{font-size:13px;color:var(--text-dim)}

/* ===================== SECTIONS ===================== */
.section{padding:100px 0;position:relative}
.section--tint{background:var(--bg-2)}
.section--dark{background:var(--bg-3)}
.section--accent{background:radial-gradient(760px 400px at 50% 0%,rgba(139,92,246,.18),transparent 66%),var(--bg-2)}
.kicker{display:block;text-align:center;font-size:13px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;margin-bottom:14px}
.section__title{font-size:clamp(27px,3.9vw,44px);font-weight:800;line-height:1.14;text-align:center;margin-bottom:48px;letter-spacing:-.02em}
.section__title--left{text-align:left}
.section__lead{text-align:center;max-width:640px;margin:-32px auto 48px;color:var(--text-soft);font-size:17px}

/* ===================== PAIN ===================== */
.pain-list{list-style:none;max-width:820px;margin:0 auto;display:grid;gap:14px}
.pain-list li{position:relative;padding:20px 22px 20px 60px;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);font-size:16.5px;color:var(--text-soft);backdrop-filter:blur(6px);transition:border-color .25s,transform .25s var(--ease)}
.pain-list li:hover{border-color:var(--line-2);transform:translateX(4px)}
.pain-list li::before{content:"";position:absolute;left:20px;top:22px;width:22px;height:22px;border-radius:7px;
  background:rgba(255,107,138,.14);border:1px solid rgba(255,107,138,.35);
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23ff6b8a' stroke-width='3' stroke-linecap='round'%3E%3Cpath d='M18 6 6 18M6 6l12 12'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:center}
.pain-bridge{text-align:center;font-size:22px;font-weight:700;margin-top:40px;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}

/* ===================== ABOUT ===================== */
.about{display:grid;grid-template-columns:.85fr 1.15fr;gap:60px;align-items:center}
.about__photo-frame{position:relative;aspect-ratio:4/5;border-radius:var(--radius-xl);background:var(--grad-soft);overflow:hidden;
  box-shadow:var(--shadow-lg)}
.about__photo-frame::before{content:"";position:absolute;inset:0;border-radius:inherit;padding:1.5px;
  background:var(--grad);-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none;z-index:2}
.about__photo-frame::after{content:"";position:absolute;inset:0;box-shadow:inset 0 0 80px rgba(46,107,255,.3);border-radius:inherit;z-index:1;pointer-events:none}
.about__photo-frame img{width:100%;height:100%;object-fit:cover;object-position:center top}
.about__photo-frame .ph--block{margin:24px;position:relative;z-index:3}
.about__profile{margin-top:20px;text-align:center}
.about__profile-name{font-size:22px;font-weight:800;letter-spacing:-.01em}
.about__profile-role{font-size:13.5px;color:var(--text-dim);margin-top:2px}
.about__follow{display:flex;gap:10px;justify-content:center;margin-top:14px;flex-wrap:wrap}
.about__follow a{display:inline-flex;align-items:center;gap:7px;padding:8px 14px;border-radius:999px;
  background:var(--panel);border:1px solid var(--line-2);color:var(--text-soft);font-size:13px;font-weight:600;transition:.2s}
.about__follow a:hover{color:#fff;border-color:var(--purple);transform:translateY(-2px);box-shadow:var(--glow-purple)}
.about__content p{color:var(--text-soft);font-size:17px;margin-bottom:26px}
.about__content .section__title{margin-bottom:22px}
.stat-row{display:flex;gap:14px;flex-wrap:wrap}
.stat{flex:1;min-width:130px;padding:18px 20px;border-radius:16px;background:var(--panel);border:1px solid var(--line)}
.stat strong{display:block;font-size:30px;font-weight:800;line-height:1.1;background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.stat span{font-size:13px;color:var(--text-dim)}

/* ===================== STORY ===================== */
.story-card{position:relative;max-width:840px;margin:0 auto;background:var(--panel-solid);border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow);padding:52px 48px 46px;overflow:hidden}
.story-card::before{content:"“";position:absolute;top:-10px;left:28px;font-size:130px;line-height:1;font-family:Georgia,serif;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;opacity:.5}
.story-card__quote{font-size:18.5px;line-height:1.85;color:var(--text-soft);position:relative}
.story-card__author{margin-top:22px;font-weight:700;color:var(--purple-light)}

/* ===================== BENEFITS (bento) ===================== */
.benefit-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.benefit-card{position:relative;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-lg);padding:32px 28px;backdrop-filter:blur(8px);
  transition:transform .28s var(--ease),box-shadow .28s var(--ease),border-color .28s;overflow:hidden}
.benefit-card::before{content:"";position:absolute;inset:0;border-radius:inherit;opacity:0;transition:opacity .3s;
  background:radial-gradient(400px 200px at var(--mx,50%) 0%,rgba(46,107,255,.12),transparent 70%)}
.benefit-card:hover{transform:translateY(-6px);border-color:var(--line-2);box-shadow:var(--shadow)}
.benefit-card:hover::before{opacity:1}
.benefit-card__num{position:absolute;top:26px;right:28px;font-size:13px;font-weight:700;color:var(--text-dim);letter-spacing:.05em}
.benefit-card__icon{width:52px;height:52px;border-radius:14px;display:flex;align-items:center;justify-content:center;margin-bottom:20px;
  background:var(--grad-soft);border:1px solid var(--line-2)}
.benefit-card__icon svg{width:26px;height:26px;stroke:url(#ig);fill:none;stroke-width:1.8}
.benefit-card h3{font-size:19px;margin-bottom:10px;letter-spacing:-.01em;font-weight:700}
.benefit-card p{color:var(--text-soft);font-size:15.5px}

/* ===================== SHOWCASE — MOCKUP UI ===================== */
.showcase-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.showcase-card{margin:0;display:flex;flex-direction:column;gap:0}
.app-frame{position:relative;border-radius:18px 18px 0 0;overflow:hidden;background:linear-gradient(160deg,#0d0d18,#0a0a12);
  border:1px solid var(--line-2);border-bottom:none}
.app-frame__bar{display:flex;gap:7px;padding:14px 16px;background:rgba(255,255,255,.02);border-bottom:1px solid var(--line)}
.app-frame__bar span{width:11px;height:11px;border-radius:50%;background:rgba(244,246,251,.18)}
.app-frame__bar span:nth-child(1){background:#ff6b8a}
.app-frame__bar span:nth-child(2){background:#fbbf24}
.app-frame__bar span:nth-child(3){background:#34d399}
.mockup{display:block;width:100%;height:auto;background:radial-gradient(120% 90% at 50% 0,rgba(46,107,255,.12),transparent 70%)}
.showcase-card figcaption{background:var(--panel-solid);border:1px solid var(--line-2);border-top:none;border-radius:0 0 18px 18px;
  padding:20px 22px;color:var(--text-soft);font-size:14.5px;display:flex;flex-direction:column;gap:6px}
.showcase-card figcaption strong{color:var(--text);font-size:16px;font-weight:700}
.showcase-card{transition:transform .3s var(--ease)}
.showcase-card:hover{transform:translateY(-6px)}
.showcase-card:hover .app-frame{box-shadow:var(--glow-blue)}

/* ===================== EMOTION ===================== */
.section--emotion{background:radial-gradient(760px 380px at 50% 30%,rgba(0,217,255,.1),transparent 70%),var(--bg)}
/* nền aurora cao cấp (thuần CSS, không dùng ảnh stock) */
.section--emotion.has-bg{
  background:
    radial-gradient(600px 300px at 20% 20%,rgba(139,92,246,.20),transparent 60%),
    radial-gradient(600px 320px at 82% 78%,rgba(0,217,255,.16),transparent 62%),
    radial-gradient(500px 300px at 50% 50%,rgba(46,107,255,.12),transparent 65%),
    var(--bg);
}
.emotion__text{max-width:800px;margin:0 auto;text-align:center;font-size:clamp(21px,3vw,30px);font-weight:600;line-height:1.55;color:var(--text)}
.emotion__text .ph{font-size:.78em}

/* ===================== SOLOBIZ ===================== */
.solobiz{max-width:840px;margin:0 auto;text-align:center;padding:52px 40px;border-radius:var(--radius-lg);background:var(--panel);border:1px solid var(--line);backdrop-filter:blur(8px)}
.solobiz__badge{width:64px;height:64px;margin:0 auto 18px;border-radius:18px;display:flex;align-items:center;justify-content:center;font-size:30px;background:var(--grad-soft);border:1px solid var(--line-2)}
.solobiz a{font-weight:700;background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}

/* ===================== CLARITY ===================== */
.clarity-table{max-width:840px;margin:0 auto;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow)}
.clarity-row{display:grid;grid-template-columns:210px 1fr;gap:20px;padding:20px 28px;background:var(--panel-solid);align-items:center;color:var(--text-soft);border-bottom:1px solid var(--line)}
.clarity-row:last-child{border-bottom:none}
.clarity-row>span:first-child{font-weight:700;color:var(--cyan)}

/* ===================== VALUE COPY ===================== */
.value-copy{max-width:800px;margin:0 auto;text-align:center;font-size:19px;line-height:1.85;color:var(--text-soft)}

/* ===================== FAQ ===================== */
.faq{max-width:800px;margin:0 auto;display:grid;gap:14px}
.faq__item{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:4px 26px;backdrop-filter:blur(6px);transition:border-color .25s}
.faq__item[open]{border-color:var(--line-2);background:var(--panel-solid)}
.faq__item summary{cursor:pointer;font-weight:700;font-size:17px;padding:20px 0;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:14px}
.faq__item summary::-webkit-details-marker{display:none}
.faq__item summary::after{content:"";width:22px;height:22px;flex-shrink:0;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2300d9ff' stroke-width='2.5' stroke-linecap='round'%3E%3Cpath d='M12 5v14M5 12h14'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:center;transition:transform .3s var(--ease)}
.faq__item[open] summary::after{transform:rotate(135deg)}
.faq__item p{padding:0 0 22px;color:var(--text-soft)}

/* ===================== REASON / LIMIT ===================== */
.reason-copy{max-width:800px;margin:0 auto;text-align:center;font-size:18px;color:var(--text-soft)}
.limit{text-align:center}
.countdown{display:flex;gap:16px;justify-content:center;margin:14px 0 26px}
.countdown__box{background:var(--panel);border:1px solid var(--line-2);border-radius:16px;padding:18px 22px;min-width:88px;backdrop-filter:blur(8px)}
.countdown__box span{font-size:40px;font-weight:800;line-height:1;display:block;background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.countdown__box small{font-size:11px;text-transform:uppercase;letter-spacing:.12em;color:var(--text-dim)}
.limit__note{color:var(--text-soft);font-size:16px}

/* ===================== VALUE STACK ===================== */
.stack{max-width:740px;margin:0 auto;background:var(--panel-solid);border-radius:var(--radius-lg);box-shadow:var(--shadow);overflow:hidden;border:1px solid var(--line)}
.stack__row{display:flex;justify-content:space-between;gap:20px;padding:17px 30px;border-bottom:1px solid var(--line);font-size:16px;color:var(--text-soft)}
.stack__row span:last-child{font-weight:700;white-space:nowrap;color:var(--text)}
.stack__row--total{background:var(--panel);font-weight:800;font-size:18px;color:var(--text)}
.stack__row--price{background:var(--grad);color:#fff;font-size:21px;font-weight:800;border-bottom:none}
.stack__row--price span:last-child{color:#fff}

/* ===================== MAGNET + FORM ===================== */
.magnet{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center}
.magnet__copy .kicker{text-align:left}
.magnet__copy p{color:var(--text-soft);font-size:17px;margin-bottom:22px}
.magnet__list{list-style:none;display:grid;gap:13px}
.magnet__list li{position:relative;padding-left:34px;color:var(--text)}
.magnet__list li::before{content:"";position:absolute;left:0;top:2px;width:22px;height:22px;border-radius:7px;background:var(--grad-soft);border:1px solid var(--line-2);
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2300d9ff' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:center}
.magnet__list li.ph{color:var(--amber)}
.lead-form{position:relative;background:var(--panel-solid);border:1px solid var(--line-2);border-radius:var(--radius-lg);padding:38px;box-shadow:var(--shadow-lg)}
.lead-form::before{content:"";position:absolute;inset:0;border-radius:inherit;padding:1px;background:var(--grad);opacity:.5;-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none}
.lead-form h3{font-size:24px;font-weight:800;margin-bottom:24px;text-align:center}
.lead-form label{display:block;font-size:14px;font-weight:600;margin-bottom:16px;color:var(--text-soft)}
.lead-form input[type=text],.lead-form input[type=tel],.lead-form input[type=email]{
  width:100%;margin-top:7px;padding:14px 16px;background:var(--bg);color:var(--text);border:1.5px solid var(--line-2);border-radius:13px;font-family:inherit;font-size:15px;font-weight:400;transition:border .18s,box-shadow .18s}
.lead-form input::placeholder{color:var(--text-dim)}
.lead-form input:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px rgba(46,107,255,.22)}
.lead-form__consent{display:flex;gap:10px;align-items:flex-start;font-weight:400;font-size:13px;color:var(--text-dim)}
.lead-form__consent input{margin-top:3px;flex-shrink:0;accent-color:var(--blue)}
.lead-form__note{font-size:13px;color:var(--text-dim);text-align:center;margin-top:14px}
.lead-form__status{text-align:center;font-size:14px;font-weight:600;margin-top:12px;min-height:20px}
.lead-form__status.success{color:var(--green)}
.lead-form__status.error{color:var(--rose)}

/* ===================== TESTIMONIAL ===================== */
.testimonial-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.testimonial-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-lg);padding:30px;backdrop-filter:blur(8px);color:var(--text-soft);transition:transform .28s var(--ease),border-color .28s}
.testimonial-card:hover{transform:translateY(-5px);border-color:var(--line-2)}
.testimonial-card__stars{display:flex;gap:3px;margin-bottom:16px;color:var(--amber)}
.testimonial-card__author{margin-top:18px;font-weight:700;color:var(--purple-light);font-size:15px}

/* ===================== LIÊN HỆ ===================== */
.contact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;max-width:960px;margin:0 auto}
.contact-card{display:flex;flex-direction:column;gap:8px;padding:30px 28px;border-radius:20px;
  background:var(--panel);border:1px solid var(--line);backdrop-filter:blur(8px);
  transition:transform .28s var(--ease);color:var(--text)}
.contact-card:hover{transform:translateY(-5px)}
.contact-card__ico{width:52px;height:52px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  background:var(--grad-soft);border:1px solid var(--line-2);margin-bottom:6px}
.contact-card__ico svg{width:26px;height:26px}
.contact-card__label{font-size:13px;color:var(--text-dim);letter-spacing:.04em;text-transform:uppercase;font-weight:600}
.contact-card strong{font-size:19px;font-weight:700;letter-spacing:-.01em}
.contact-social{display:flex;gap:14px;margin-top:6px}
.contact-social a{width:46px;height:46px;border-radius:13px;display:flex;align-items:center;justify-content:center;
  background:var(--panel-solid);border:1px solid var(--line-2);color:var(--text-soft);transition:.2s}
.contact-social a:hover{color:#fff;transform:translateY(-3px);border-color:var(--purple);box-shadow:var(--glow-purple)}
.contact-address{text-align:center;margin-top:30px;color:var(--text-soft);font-size:15px}
.contact-address svg{color:var(--cyan);margin-right:4px}

/* ===================== CTA FINAL ===================== */
.cta-final{text-align:center;position:relative;overflow:hidden;background:var(--bg-3)}
.cta-final::before{content:"";position:absolute;left:50%;bottom:-40%;width:700px;height:500px;transform:translateX(-50%);
  background:radial-gradient(circle,rgba(46,107,255,.28),transparent 60%);filter:blur(40px)}
.cta-final p{max-width:560px;margin:0 auto 30px;color:var(--text-soft);font-size:18px}
.cta-final__risk{margin-top:22px;font-size:14px;color:var(--text-dim)}

/* ===================== FOOTER ===================== */
.footer{background:#040407;color:var(--text-dim);padding:40px 0;font-size:14px;border-top:1px solid var(--line)}
.footer__inner{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;align-items:center}
.footer a{color:var(--text-soft)}.footer a:hover{color:var(--text)}
.footer__social{display:flex;gap:18px}
.footer__social a{font-weight:600}

/* ===================== STICKY CTA ===================== */
.sticky-cta{position:fixed;left:0;right:0;bottom:0;z-index:850;background:rgba(8,8,15,.9);backdrop-filter:blur(14px);border-top:1px solid var(--line-2);
  display:flex;align-items:center;justify-content:center;gap:18px;padding:13px 20px;transform:translateY(120%);transition:transform .35s var(--ease);color:var(--text);font-weight:600;font-size:15px}
.sticky-cta.show{transform:translateY(0)}

/* ===================== POPUP ===================== */
.popup-overlay{position:fixed;inset:0;z-index:1100;background:rgba(0,0,0,.74);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;padding:20px;opacity:0;visibility:hidden;transition:opacity .28s}
.popup-overlay.show{opacity:1;visibility:visible}
.popup{position:relative;background:var(--panel-solid);border:1px solid var(--line-2);border-radius:var(--radius-lg);max-width:450px;width:100%;padding:44px 36px;text-align:center;box-shadow:var(--shadow-lg);transform:translateY(22px) scale(.98);transition:transform .3s var(--ease)}
.popup-overlay.show .popup{transform:none}
.popup__close{position:absolute;right:16px;top:14px;background:none;border:none;font-size:20px;cursor:pointer;color:var(--text-dim)}
.popup h3{font-size:25px;font-weight:800;margin:8px 0 12px;line-height:1.3}
.popup p{color:var(--text-soft);margin-bottom:24px}

/* ===================== RESPONSIVE ===================== */
@media(max-width:960px){
  .about{grid-template-columns:1fr;gap:36px}
  .benefit-grid{grid-template-columns:1fr 1fr}
  .testimonial-grid{grid-template-columns:1fr}
  .showcase-grid{grid-template-columns:1fr;max-width:440px;margin:0 auto}
  .contact-grid{grid-template-columns:1fr;max-width:440px}
  .magnet{grid-template-columns:1fr;gap:34px}
  .nav__burger{display:flex}
  .nav__right .nav__social{display:none}
  .nav__links{
    position:fixed;inset:72px 0 auto 0;flex-direction:column;align-items:stretch;gap:0;
    background:rgba(8,8,15,.98);backdrop-filter:blur(18px);border-bottom:1px solid var(--line-2);
    padding:12px 24px 24px;max-height:calc(100vh - 72px);overflow-y:auto;
    transform:translateY(-130%);transition:transform .32s var(--ease);box-shadow:var(--shadow-lg);
  }
  .nav.open .nav__links{transform:translateY(0)}
  .nav__links>a,.nav__dd-toggle{padding:15px 4px;font-size:17px;border-bottom:1px solid var(--line);width:100%}
  .nav__dd{width:100%}
  .nav__dd-menu{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;background:transparent;border:none;min-width:0;padding:4px 0 8px 14px;display:none}
  .nav__dd.open .nav__dd-menu{display:grid}
}
@media(max-width:620px){
  .section{padding:64px 0}
  .hero{padding:80px 0 64px}
  .benefit-grid{grid-template-columns:1fr}
  .clarity-row{grid-template-columns:1fr;gap:4px}
  .countdown{gap:10px}
  .countdown__box{min-width:66px;padding:14px 12px}
  .countdown__box span{font-size:30px}
  .story-card{padding:40px 26px 30px}
  .lead-form,.solobiz{padding:28px}
  .footer__inner{flex-direction:column;text-align:center}
  .sticky-cta span{display:none}
}