/* ===== RESET & BASE ===== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:80px}
body{font-family:'Inter',sans-serif;color:#2d2d2d;line-height:1.7;background:#fff;overflow-x:hidden}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
ul{list-style:none}

/* ===== VARIABLES ===== */
:root{
  --navy:#0f1f3d;
  --navy-light:#1b2a4a;
  --navy-mid:#253b5c;
  --white:#ffffff;
  --grey-light:#f4f6f8;
  --grey:#e2e6ea;
  --grey-dark:#6b7280;
  --text:#2d2d2d;
  --text-light:#5a6270;
  --accent:#b8860b;
  --accent-hover:#9a7209;
  --accent-light:rgba(184,134,11,0.1);
  --radius:8px;
  --shadow:0 4px 20px rgba(0,0,0,0.06);
  --shadow-lg:0 8px 40px rgba(0,0,0,0.1);
  --transition:0.3s ease;
}

/* ===== CONTAINER ===== */
.container{max-width:1200px;margin:0 auto;padding:0 24px}

/* ===== BUTTONS ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;padding:14px 32px;border-radius:var(--radius);font-weight:600;font-size:0.95rem;transition:var(--transition);cursor:pointer;border:none;letter-spacing:0.02em}
.btn--accent{background:var(--accent);color:var(--white)}
.btn--accent:hover{background:var(--accent-hover);transform:translateY(-2px);box-shadow:0 6px 20px rgba(184,134,11,0.3)}
.btn--outline{background:transparent;color:var(--white);border:2px solid rgba(255,255,255,0.5)}
.btn--outline:hover{background:rgba(255,255,255,0.1);border-color:var(--white)}
.btn--full{width:100%}

/* ===== HEADER ===== */
.header{position:fixed;top:0;left:0;width:100%;z-index:1000;background:rgba(15,31,61,0.95);backdrop-filter:blur(10px);border-bottom:1px solid rgba(255,255,255,0.05);transition:var(--transition)}
.header--scrolled{background:rgba(15,31,61,0.98);box-shadow:0 2px 20px rgba(0,0,0,0.15)}
.header__inner{display:flex;align-items:center;justify-content:space-between;height:76px}
.header__logo{display:flex;align-items:center;gap:10px}
.header__logo-icon{height:44px;width:44px;object-fit:contain}
.header__logo-text{display:flex;flex-direction:column;line-height:1.15}
.header__logo-name{color:var(--white);font-size:0.95rem;font-weight:700;letter-spacing:0.06em}
.header__logo-sub{color:var(--accent);font-size:0.78rem;font-weight:600;letter-spacing:0.08em}
.header__nav{display:flex;gap:28px}
.header__link{color:rgba(255,255,255,0.75);font-size:0.9rem;font-weight:500;transition:var(--transition);position:relative}
.header__link:hover,.header__link.active{color:var(--white)}
.header__link::after{content:'';position:absolute;bottom:-4px;left:0;width:0;height:2px;background:var(--accent);transition:var(--transition)}
.header__link:hover::after,.header__link.active::after{width:100%}
.header__cta{padding:10px 24px;font-size:0.85rem}
.header__toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:4px}
.header__toggle span{display:block;width:24px;height:2px;background:var(--white);border-radius:2px;transition:var(--transition)}

/* ===== HERO ===== */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;background:linear-gradient(135deg,var(--navy) 0%,var(--navy-light) 50%,var(--navy-mid) 100%);overflow:hidden;padding:120px 0 80px}
.hero__overlay{position:absolute;inset:0;background:url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.02'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E")}
.hero__pattern{position:absolute;right:-100px;bottom:-100px;width:500px;height:500px;border-radius:50%;background:radial-gradient(circle,rgba(184,134,11,0.08) 0%,transparent 70%)}
.hero__inner{position:relative;z-index:2;max-width:720px}
.hero__tag{display:inline-block;color:var(--accent);font-weight:600;font-size:0.9rem;letter-spacing:0.08em;text-transform:uppercase;margin-bottom:16px;padding:6px 16px;border:1px solid rgba(184,134,11,0.3);border-radius:50px;background:rgba(184,134,11,0.08)}
.hero__title{color:var(--white);font-size:3.2rem;font-weight:800;line-height:1.15;margin-bottom:20px;letter-spacing:-0.02em}
.hero__sub{color:rgba(255,255,255,0.7);font-size:1.1rem;line-height:1.8;margin-bottom:36px;max-width:600px}
.hero__actions{display:flex;gap:16px;flex-wrap:wrap}

/* ===== SECTION COMMON ===== */
.section{padding:90px 0}
.section--white{background:var(--white)}
.section--light{background:var(--grey-light)}
.section--navy{background:var(--navy)}
.section__label{font-size:0.85rem;font-weight:600;color:var(--accent);text-transform:uppercase;letter-spacing:0.1em;margin-bottom:8px;text-align:center}
.section__label--light{color:var(--accent)}
.section__title{font-size:2rem;font-weight:700;color:var(--navy);text-align:center;margin-bottom:48px;letter-spacing:-0.01em}
.section__title--light{color:var(--white)}

/* ===== ABOUT ===== */
.about__grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.about__text p{color:var(--text-light);margin-bottom:16px;font-size:1rem}
.about__highlights{display:flex;flex-direction:column;gap:20px}
.about__highlight-item{display:flex;align-items:flex-start;gap:16px;padding:20px;background:var(--grey-light);border-radius:var(--radius);border-left:3px solid var(--accent)}
.about__highlight-item i{font-size:1.4rem;color:var(--accent);margin-top:2px;min-width:24px}
.about__highlight-item strong{display:block;color:var(--navy);font-size:0.95rem;margin-bottom:2px}
.about__highlight-item span{color:var(--grey-dark);font-size:0.85rem}

/* ===== VISI & MISI ===== */
.vm__grid{display:grid;grid-template-columns:1fr 1fr;gap:32px}
.vm__card{background:var(--white);padding:40px;border-radius:var(--radius);box-shadow:var(--shadow);border-top:3px solid var(--accent)}
.vm__icon{font-size:2rem;color:var(--accent);margin-bottom:16px}
.vm__card h3{font-size:1.3rem;color:var(--navy);margin-bottom:16px;font-weight:700}
.vm__card p{color:var(--text-light);font-size:0.95rem}
.vm__card ul{padding-left:0}
.vm__card li{color:var(--text-light);font-size:0.95rem;padding:6px 0;padding-left:20px;position:relative}
.vm__card li::before{content:'';position:absolute;left:0;top:14px;width:8px;height:8px;border-radius:50%;background:var(--accent)}

/* ===== SERVICES ===== */
.services__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.service-card{background:var(--grey-light);padding:36px 28px;border-radius:var(--radius);transition:var(--transition);border:1px solid transparent}
.service-card:hover{background:var(--white);box-shadow:var(--shadow-lg);border-color:var(--grey);transform:translateY(-4px)}
.service-card__icon{width:56px;height:56px;border-radius:12px;background:var(--navy);color:var(--white);display:flex;align-items:center;justify-content:center;font-size:1.3rem;margin-bottom:20px}
.service-card h3{font-size:1.1rem;color:var(--navy);margin-bottom:10px;font-weight:700}
.service-card p{color:var(--text-light);font-size:0.9rem;line-height:1.7}

/* ===== ADVANTAGES ===== */
.advantages__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}
.advantage-item{text-align:center;padding:32px 20px}
.advantage-item__icon{width:64px;height:64px;border-radius:50%;background:rgba(255,255,255,0.1);color:var(--accent);display:flex;align-items:center;justify-content:center;font-size:1.4rem;margin:0 auto 20px;border:1px solid rgba(184,134,11,0.3)}
.advantage-item h4{color:var(--white);font-size:1.05rem;margin-bottom:8px;font-weight:600}
.advantage-item p{color:rgba(255,255,255,0.6);font-size:0.9rem}

/* ===== WORKFLOW ===== */
.workflow__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;counter-reset:step}
.workflow-step{background:var(--white);padding:32px 24px;border-radius:var(--radius);box-shadow:var(--shadow);text-align:center;position:relative}
.workflow-step__num{font-size:2.4rem;font-weight:800;color:var(--accent);opacity:0.3;margin-bottom:12px;line-height:1}
.workflow-step h4{font-size:1rem;color:var(--navy);margin-bottom:8px;font-weight:700}
.workflow-step p{color:var(--text-light);font-size:0.88rem}

/* ===== STATS ===== */
.stats-section{padding:70px 0}
.stats__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:32px;text-align:center}
.stat-item__num{font-size:2.8rem;font-weight:800;color:var(--accent);line-height:1;margin-bottom:8px}
.stat-item__label{color:rgba(255,255,255,0.7);font-size:0.9rem;font-weight:500}

/* ===== TESTIMONIALS ===== */
.testimonials__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.testimonial-card{background:var(--grey-light);padding:32px;border-radius:var(--radius);position:relative;border:1px solid var(--grey)}
.testimonial-card__quote{color:var(--accent);font-size:1.6rem;margin-bottom:16px;opacity:0.4}
.testimonial-card p{color:var(--text-light);font-size:0.92rem;margin-bottom:20px;font-style:italic;line-height:1.8}
.testimonial-card__author strong{display:block;color:var(--navy);font-size:0.95rem}
.testimonial-card__author span{color:var(--grey-dark);font-size:0.82rem}

/* ===== FAQ ===== */
.faq__list{max-width:780px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq-item{background:var(--white);border-radius:var(--radius);border:1px solid var(--grey);overflow:hidden}
.faq-item__question{width:100%;display:flex;align-items:center;justify-content:space-between;padding:18px 24px;background:none;border:none;cursor:pointer;font-size:0.95rem;font-weight:600;color:var(--navy);text-align:left;font-family:inherit;transition:var(--transition);gap:16px}
.faq-item__question:hover{color:var(--accent)}
.faq-item__question i{transition:var(--transition);font-size:0.8rem;color:var(--grey-dark);flex-shrink:0}
.faq-item.active .faq-item__question i{transform:rotate(180deg);color:var(--accent)}
.faq-item__answer{max-height:0;overflow:hidden;transition:max-height 0.35s ease}
.faq-item__answer p{padding:0 24px 18px;color:var(--text-light);font-size:0.9rem;line-height:1.8}

/* ===== CONTACT ===== */
.contact__grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.contact__info{display:flex;flex-direction:column;gap:24px}
.contact__info-item{display:flex;gap:16px;align-items:flex-start}
.contact__info-item i{width:44px;height:44px;border-radius:10px;background:var(--navy);color:var(--accent);display:flex;align-items:center;justify-content:center;font-size:1rem;flex-shrink:0}
.contact__info-item strong{display:block;color:var(--navy);font-size:0.95rem;margin-bottom:2px}
.contact__info-item p{color:var(--text-light);font-size:0.9rem;line-height:1.6}
.contact__info-item a{transition:var(--transition)}
.contact__info-item a:hover{color:var(--accent)}
.contact__form{display:flex;flex-direction:column;gap:16px}
.form-group label{display:block;font-size:0.85rem;font-weight:600;color:var(--navy);margin-bottom:6px}
.form-group input,.form-group textarea{width:100%;padding:12px 16px;border:1px solid var(--grey);border-radius:var(--radius);font-family:inherit;font-size:0.9rem;color:var(--text);transition:var(--transition);background:var(--grey-light)}
.form-group input:focus,.form-group textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-light);background:var(--white)}
.form-group textarea{resize:vertical}

/* ===== FOOTER ===== */
.footer{background:var(--navy);color:rgba(255,255,255,0.7);padding:60px 0 0}
.footer__grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:48px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,0.08)}
.footer__brand{display:flex;flex-direction:column;gap:16px}
.footer__logo{display:flex;align-items:center;gap:14px;margin-bottom:4px}
.footer__logo-icon{height:56px;width:56px;object-fit:contain}
.footer__logo-text{display:flex;flex-direction:column;line-height:1.15}
.footer__logo-name{color:var(--white);font-size:1.1rem;font-weight:700;letter-spacing:0.06em}
.footer__logo-sub{color:var(--accent);font-size:0.88rem;font-weight:600;letter-spacing:0.08em}
.footer__brand p{font-size:0.88rem;line-height:1.7}
.footer__nav h4,.footer__contact h4{color:var(--white);font-size:0.95rem;margin-bottom:16px;font-weight:600}
.footer__nav a{display:block;font-size:0.88rem;padding:4px 0;transition:var(--transition)}
.footer__nav a:hover{color:var(--accent)}
.footer__contact p{font-size:0.88rem;padding:4px 0}
.footer__contact a{transition:var(--transition)}
.footer__contact a:hover{color:var(--accent)}
.footer__contact i{color:var(--accent);margin-right:8px;width:16px}
.footer__bottom{text-align:center;padding:24px 0;font-size:0.82rem;color:rgba(255,255,255,0.4)}

/* ===== BACK TO TOP ===== */
.back-to-top{position:fixed;bottom:32px;right:32px;width:48px;height:48px;border-radius:50%;background:var(--navy);color:var(--white);border:none;cursor:pointer;font-size:1rem;display:flex;align-items:center;justify-content:center;opacity:0;visibility:hidden;transition:var(--transition);box-shadow:0 4px 16px rgba(0,0,0,0.2);z-index:999}
.back-to-top.visible{opacity:1;visibility:visible}
.back-to-top:hover{background:var(--accent);transform:translateY(-3px)}

/* ===== ANIMATIONS ===== */
[data-anim]{opacity:0;transform:translateY(24px);transition:opacity 0.6s ease,transform 0.6s ease}
[data-anim].in-view{opacity:1;transform:translateY(0)}

/* ===== RESPONSIVE ===== */
@media(max-width:1024px){
  .services__grid,.advantages__grid,.workflow__grid{grid-template-columns:repeat(2,1fr)}
  .stats__grid{grid-template-columns:repeat(2,1fr);gap:24px}
  .testimonials__grid{grid-template-columns:1fr}
  .footer__grid{grid-template-columns:1fr 1fr}
}

@media(max-width:768px){
  .header__nav{position:fixed;top:76px;left:0;width:100%;background:var(--navy);flex-direction:column;padding:24px;gap:16px;transform:translateY(-120%);transition:var(--transition);opacity:0;pointer-events:none}
  .header__nav.open{transform:translateY(0);opacity:1;pointer-events:all}
  .header__cta{display:none}
  .header__toggle{display:flex}
  .header__logo-icon{height:34px;width:34px}
  .header__logo-name{font-size:0.82rem}
  .header__logo-sub{font-size:0.68rem}

  .hero{min-height:auto;padding:140px 0 80px}
  .hero__title{font-size:2rem}
  .hero__sub{font-size:0.95rem}

  .about__grid,.vm__grid,.contact__grid{grid-template-columns:1fr}
  .services__grid,.advantages__grid,.workflow__grid{grid-template-columns:1fr}
  .stats__grid{grid-template-columns:repeat(2,1fr)}

  .section{padding:64px 0}
  .section__title{font-size:1.6rem;margin-bottom:36px}

  .footer__grid{grid-template-columns:1fr}
  .footer__logo-icon{height:44px;width:44px}
}

@media(max-width:480px){
  .hero__title{font-size:1.7rem}
  .hero__actions{flex-direction:column}
  .hero__actions .btn{width:100%;text-align:center}
  .stats__grid{grid-template-columns:1fr 1fr}
  .stat-item__num{font-size:2.2rem}
}