/* ============================================================
   SATYAM MATHS ONLINE — Premium Mathematics Coaching Website
   Design system: Deep Navy + Gold on White
   ============================================================ */

:root{
  --navy:#062A52;
  --navy-2:#0B3A6B;
  --navy-dark:#031B38;
  --gold:#D9A62E;
  --gold-light:#F4C44E;
  --gold-dark:#B8871E;
  --white:#FFFFFF;
  --light:#F7F9FC;
  --light-2:#EEF3FA;
  --ink:#10243E;
  --gray:#64748B;
  --line:#E3EAF3;
  --shadow-sm:0 4px 14px rgba(6,42,82,.08);
  --shadow-md:0 14px 40px rgba(6,42,82,.14);
  --shadow-lg:0 24px 60px rgba(3,27,56,.18);
  --radius:16px;
  --radius-lg:24px;
  --font-head:"Playfair Display", Georgia, serif;
  --font-body:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  --container:1200px;
  --transition:.35s cubic-bezier(.25,.75,.3,1);
}

*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}

html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--font-body);
  color:var(--ink);
  background:var(--white);
  line-height:1.7;
  font-size:16.5px;
  overflow-x:hidden;
}

img,svg{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
ul{list-style:none}
button{font:inherit;border:none;background:none;cursor:pointer;color:inherit}
input,select,textarea{font:inherit;color:inherit}

.skip-link{
  position:absolute;left:-9999px;top:0;z-index:9999;
  background:var(--gold);color:var(--navy-dark);font-weight:700;
  padding:10px 18px;border-radius:0 0 8px 0;
}
.skip-link:focus{left:0}

.container{width:min(var(--container),92%);margin-inline:auto}
.section{padding:96px 0}

.gold-text{color:var(--gold)}

/* ============ BUTTONS ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:14px 30px;border-radius:50px;font-weight:600;font-size:14.5px;
  letter-spacing:.6px;text-transform:uppercase;
  transition:var(--transition);position:relative;overflow:hidden;
}
.btn-arrow{transition:transform var(--transition)}
.btn:hover .btn-arrow{transform:translateX(5px)}

.btn-gold{
  background:linear-gradient(135deg,var(--gold-light) 0%,var(--gold) 55%,var(--gold-dark) 100%);
  color:var(--navy-dark);box-shadow:0 10px 24px rgba(217,166,46,.35);
}
.btn-gold::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(255,255,255,.0) 30%,rgba(255,255,255,.55) 50%,rgba(255,255,255,.0) 70%);
  transform:translateX(-120%);transition:transform .7s ease;
}
.btn-gold:hover{transform:translateY(-3px);box-shadow:0 16px 34px rgba(217,166,46,.45)}
.btn-gold:hover::after{transform:translateX(120%)}

.btn-navy{
  background:linear-gradient(135deg,var(--navy-2),var(--navy));
  color:var(--white);box-shadow:0 12px 30px rgba(6,42,82,.28);
}
.btn-navy:hover{transform:translateY(-3px);box-shadow:0 18px 40px rgba(6,42,82,.38)}

.btn-outline{
  background:var(--white);color:var(--navy);border:2px solid var(--line);
}
.btn-outline:hover{border-color:var(--gold);color:var(--navy-dark);transform:translateY(-3px);box-shadow:var(--shadow-sm)}

.btn-outline-light{
  background:transparent;color:var(--white);border:2px solid rgba(255,255,255,.55);
}
.btn-outline-light:hover{border-color:var(--gold-light);color:var(--gold-light);transform:translateY(-3px)}

.btn-block{width:100%}
.btn-play{gap:12px}

/* ============ TOP BAR ============ */
.site-top{background:var(--navy-dark);color:rgba(255,255,255,.82);font-size:13px;position:relative;z-index:60}
.topbar{display:flex;align-items:center;justify-content:space-between;height:42px;gap:16px}
.topbar-left,.topbar-right{display:flex;align-items:center;gap:22px}
.topbar-item{display:inline-flex;align-items:center;gap:8px;color:rgba(255,255,255,.85);transition:color .3s}
a.topbar-item:hover{color:var(--gold-light)}

/* ============ NAVBAR ============ */
.navbar{
  position:sticky;top:0;z-index:100;background:rgba(255,255,255,.98);
  border-bottom:1px solid var(--line);
  transition:box-shadow .3s, background .3s;
}
.navbar.scrolled{box-shadow:var(--shadow-md);background:var(--white)}
.nav-inner{display:flex;align-items:center;gap:24px;height:82px}

.brand{display:flex;align-items:center;gap:12px;min-width:0}
.brand-mark{flex-shrink:0}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-name{font-weight:800;font-size:16px;letter-spacing:1.3px;color:var(--navy)}
.brand-accent{color:var(--gold)}
.brand-tag{font-size:10.5px;letter-spacing:1.6px;color:var(--gray);text-transform:uppercase;font-weight:600}

.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{
  position:relative;padding:10px 14px;font-weight:600;font-size:14.5px;color:var(--ink);
  transition:color .3s;
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2.5px;
  background:linear-gradient(90deg,var(--gold),var(--gold-light));
  border-radius:2px;transform:scaleX(0);transform-origin:left;transition:transform .35s ease;
}
.nav-link:hover{color:var(--navy)}
.nav-link:hover::after,.nav-link.active::after{transform:scaleX(1)}
.nav-link.active{color:var(--navy)}

.nav-actions{display:flex;align-items:center;gap:10px}
.btn-enroll{padding:12px 24px;font-size:13.5px}

.hamburger{display:none;flex-direction:column;gap:5px;padding:10px;border-radius:8px}
.hamburger .bar{width:24px;height:2.5px;background:var(--navy);border-radius:2px;transition:var(--transition)}
.hamburger.open .bar:nth-child(1){transform:translateY(7.5px) rotate(45deg)}
.hamburger.open .bar:nth-child(2){opacity:0}
.hamburger.open .bar:nth-child(3){transform:translateY(-7.5px) rotate(-45deg)}

.mobile-menu{
  display:none;position:absolute;top:100%;left:0;right:0;background:var(--white);
  border-bottom:1px solid var(--line);box-shadow:var(--shadow-md);
  padding:12px 4% 22px;transform-origin:top;
}
.mobile-menu.open{display:block;animation:menuDrop .35s ease}
@keyframes menuDrop{from{opacity:0;transform:translateY(-12px)}to{opacity:1;transform:translateY(0)}}
.mobile-link{
  display:block;padding:14px 6px;font-weight:600;font-size:15.5px;color:var(--ink);
  border-bottom:1px solid var(--line);transition:color .3s,padding-left .3s;
}
.mobile-link:hover{color:var(--gold-dark);padding-left:12px}
.mobile-enroll{margin-top:18px;width:100%}
.mobile-contact{display:flex;flex-direction:column;gap:8px;margin-top:16px;font-size:14px;color:var(--gray)}
.mobile-contact a{display:flex;gap:8px;align-items:center}

/* ============ EYEBROW / SECTION HEAD ============ */
.eyebrow{
  display:inline-flex;align-items:center;gap:12px;font-weight:700;font-size:13px;
  letter-spacing:3px;text-transform:uppercase;color:var(--navy-2);margin-bottom:18px;
}
.gold-text{color:var(--gold)}
.eyebrow-line{width:38px;height:2px;background:linear-gradient(90deg,var(--gold),var(--gold-light));border-radius:2px}
.section-title{
  font-family:var(--font-head);font-weight:800;font-size:clamp(32px,4.4vw,48px);
  line-height:1.15;color:var(--navy);margin-bottom:18px;
}
.section-sub{color:var(--gray);font-size:16.5px;max-width:640px}
.section-head{max-width:720px;margin-bottom:56px}
.section-head-light .section-title{color:var(--white)}
.section-head-light .eyebrow{color:var(--gold-light)}
.section-sub-light{color:rgba(255,255,255,.75)}

/* ============ HERO ============ */
.hero{
  position:relative;padding:72px 0 96px;
  background:
    radial-gradient(1000px 480px at 110% -10%,rgba(11,58,107,.08),transparent 60%),
    radial-gradient(900px 500px at -15% 110%,rgba(217,166,46,.10),transparent 55%),
    linear-gradient(180deg,#FBFCFE 0%,var(--light) 70%,#fff 100%);
  overflow:hidden;
}
.hero-inner{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}

.hero-title{
  font-family:var(--font-head);font-weight:900;
  font-size:clamp(40px,5vw,58px);line-height:1.1;color:var(--navy);
  margin-bottom:24px;
}
.hero-sub{color:var(--gray);font-size:17px;max-width:520px;margin-bottom:34px}
.hero-cta{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-bottom:34px}
.hero-trust{display:flex;gap:24px;flex-wrap:wrap}
.trust-chip{display:inline-flex;align-items:center;gap:8px;font-weight:600;font-size:13.5px;color:var(--navy)}

.hero-visual{position:relative}
.hero-visual-frame{
  position:relative;border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);
  overflow:visible;
}
.hero-svg{width:100%;height:auto;border-radius:var(--radius-lg)}

.hero-badge{
  position:absolute;top:26px;left:-26px;z-index:3;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:0;
  width:112px;height:112px;border-radius:50%;
  background:linear-gradient(140deg,var(--gold-light),var(--gold) 70%);
  color:var(--navy-dark);box-shadow:0 16px 34px rgba(217,166,46,.45);
  text-align:center;animation:floatY 5s ease-in-out infinite;
}
.badge-num{font-family:var(--font-head);font-weight:900;font-size:34px;line-height:1}
.badge-label{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.6px;margin-top:5px;line-height:1.3}

.mini-chip{
  position:absolute;z-index:3;display:inline-flex;align-items:center;gap:10px;
  background:var(--white);color:var(--navy);font-weight:700;font-size:13px;
  padding:12px 18px;border-radius:50px;box-shadow:var(--shadow-md);
  border:1px solid var(--line);white-space:nowrap;
}
.mini-top{top:120px;right:-18px;animation:floatY 6s ease-in-out infinite 1s}
.mini-bottom{bottom:110px;left:-22px;animation:floatY 6.5s ease-in-out infinite .5s}

@keyframes floatY{0%,100%{transform:translateY(0)}50%{transform:translateY(-12px)}}
.hero-float{animation:floatY 5s ease-in-out infinite}
.hero-float-slow{animation:floatY 7s ease-in-out infinite}

/* ============ FEATURE STRIP ============ */
.feature-strip{
  background:linear-gradient(135deg,var(--navy) 0%,var(--navy-dark) 100%);
  padding:64px 0;position:relative;overflow:hidden;
}
.feature-strip::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.09) 1px,transparent 1px);
  background-size:34px 34px;opacity:.35;pointer-events:none;
}
.feature-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:28px;position:relative}
.feature-item{color:var(--white);position:relative;padding-right:8px}
.feature-item:not(:last-child)::after{
  content:"";position:absolute;right:-18px;top:8px;bottom:8px;width:1px;
  background:linear-gradient(180deg,transparent,rgba(244,196,78,.4),transparent);
}
.feature-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.feature-num{font-family:var(--font-head);font-size:34px;font-weight:800;color:rgba(244,196,78,.22);line-height:1}
.feature-icon path,.feature-icon circle,.feature-icon rect{stroke-width:1.7}
.feature-title{font-size:17px;font-weight:700;margin-bottom:8px;color:var(--gold-light)}
.feature-text{font-size:13.5px;color:rgba(255,255,255,.68);line-height:1.6}

/* ============ ABOUT ============ */
.about{background:var(--white);overflow:hidden}
.about-inner{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.about-text{font-size:16.5px;color:var(--gray);margin-bottom:38px;max-width:540px}
.about-text strong{color:var(--navy)}
.about-stats{display:flex;gap:40px;margin-bottom:40px}
.about-stat{display:flex;flex-direction:column}
.about-stat-num{font-family:var(--font-head);font-size:40px;font-weight:900;color:var(--navy);line-height:1}
.about-stat-label{font-size:13px;color:var(--gray);font-weight:600;margin-top:6px;text-transform:uppercase;letter-spacing:.5px}

.about-frame{position:relative}
.about-svg{width:100%;height:auto;border-radius:var(--radius-lg);box-shadow:var(--shadow-md);border:1px solid var(--line)}
.about-mini-cards{
  position:absolute;bottom:-4%;left:50%;transform:translateX(-50%);
  display:flex;gap:12px;background:var(--white);padding:16px 20px;border-radius:var(--radius);
  box-shadow:var(--shadow-md);border:1px solid var(--line);width:92%;justify-content:space-around;
}
.about-mini{display:flex;flex-direction:column;align-items:center;text-align:center}
.about-mini-num{font-family:var(--font-head);font-weight:900;font-size:26px;color:var(--navy);line-height:1.1}
.about-mini-label{font-size:11px;color:var(--gray);font-weight:600;text-transform:uppercase;letter-spacing:.4px}
.about-rings{transform-origin:center}
.about-float{animation:floatY 6s ease-in-out infinite}

/* ============ COURSES ============ */
.courses{background:var(--light)}
.course-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:22px}
.course-card{
  background:var(--white);border-radius:var(--radius);overflow:hidden;position:relative;
  box-shadow:var(--shadow-sm);border:1px solid var(--line);
  transition:var(--transition);display:flex;flex-direction:column;
}
.course-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:4px;z-index:2;
  background:linear-gradient(90deg,var(--gold),var(--gold-light));
  transform:scaleX(0);transform-origin:left;transition:transform .45s ease;
}
.course-card:hover{transform:translateY(-10px);box-shadow:var(--shadow-md)}
.course-card:hover::before{transform:scaleX(1)}
.course-art{position:relative;overflow:hidden}
.course-svg{width:100%;height:auto;transition:transform .6s ease}
.course-card:hover .course-svg{transform:scale(1.07)}
.course-chip{
  position:absolute;bottom:12px;left:12px;background:rgba(3,27,56,.82);color:var(--gold-light);
  font-size:11px;font-weight:700;letter-spacing:.5px;padding:6px 12px;border-radius:50px;
  border:1px solid rgba(244,196,78,.4);
}
.course-body{padding:22px 20px 24px;display:flex;flex-direction:column;flex:1}
.course-title{font-family:var(--font-head);font-size:21px;font-weight:800;color:var(--navy);margin-bottom:10px;line-height:1.25}
.course-desc{font-size:14px;color:var(--gray);margin-bottom:16px;flex:1}
.course-meta{
  display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:700;color:var(--navy);
  background:var(--light-2);border-radius:50px;padding:7px 14px;width:fit-content;margin-bottom:18px;
}
.btn-card{
  background:transparent;color:var(--navy);border:1.5px solid var(--navy);
  padding:11px 22px;font-size:12.5px;border-radius:50px;width:100%;
}
.btn-card:hover{background:var(--navy);color:var(--gold-light);border-color:var(--navy)}

/* ============ PROGRAMS ============ */
.programs{background:var(--white)}
.program-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-bottom:44px}
.program-step{
  display:flex;flex-direction:column;align-items:center;text-align:center;gap:4px;
  background:var(--light);border:1px solid var(--line);border-radius:var(--radius);
  padding:36px 22px;position:relative;transition:var(--transition);
}
.program-step:hover{transform:translateY(-8px);box-shadow:var(--shadow-md);border-color:rgba(217,166,46,.5);background:var(--white)}
.program-step-num{
  position:absolute;top:14px;left:16px;font-family:var(--font-head);font-weight:800;
  font-size:15px;color:var(--gold);opacity:.85;letter-spacing:1px;
}
.program-ic{
  width:74px;height:74px;border-radius:50%;background:linear-gradient(140deg,var(--gold-light),var(--gold));
  display:flex;align-items:center;justify-content:center;margin-bottom:18px;
  box-shadow:0 12px 26px rgba(217,166,46,.35);
}
.program-ic svg{color:var(--navy-dark)}
.program-step-title{font-family:var(--font-head);font-size:19px;font-weight:800;color:var(--navy)}
.program-step-text{font-size:13.5px;color:var(--gray);line-height:1.6;margin-top:6px}
.program-cta{
  display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
  background:linear-gradient(135deg,var(--light-2),var(--light));
  border:1px solid var(--line);border-radius:var(--radius-lg);padding:34px 40px;
}
.program-cta p{font-family:var(--font-head);font-size:22px;font-weight:700;color:var(--navy)}

/* ============ WHY ============ */
.why{
  background:linear-gradient(150deg,var(--navy-2) 0%,var(--navy) 45%,var(--navy-dark) 100%);
  position:relative;overflow:hidden;
}
.why::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.07) 1px,transparent 1px);
  background-size:38px 38px;opacity:.4;pointer-events:none;
}
.why::after{
  content:"";position:absolute;right:-140px;top:-140px;width:420px;height:420px;border-radius:50%;
  border:1.5px dashed rgba(244,196,78,.25);pointer-events:none;
}
.why-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;position:relative}
.why-card{
  background:rgba(255,255,255,.045);border:1px solid rgba(255,255,255,.1);
  border-radius:var(--radius);padding:34px 28px;
  transition:var(--transition);position:relative;overflow:hidden;
}
.why-card::before{
  content:"";position:absolute;top:0;left:0;width:100%;height:3px;
  background:linear-gradient(90deg,var(--gold),var(--gold-light));
  transform:scaleX(0);transform-origin:left;transition:transform .45s ease;
}
.why-card:hover{transform:translateY(-8px);background:rgba(255,255,255,.08);border-color:rgba(244,196,78,.35)}
.why-card:hover::before{transform:scaleX(1)}
.why-icon{
  width:76px;height:76px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  background:rgba(217,166,46,.12);border:1.5px solid rgba(217,166,46,.55);margin-bottom:20px;
}
.why-title{font-family:var(--font-head);font-size:20px;font-weight:800;color:var(--white);margin-bottom:10px;line-height:1.3}
.why-text{font-size:14px;color:rgba(255,255,255,.7);line-height:1.65}

/* ============ ACHIEVEMENTS ============ */
.achievements{
  background:var(--navy-dark);padding:80px 0;position:relative;overflow:hidden;
}
.achievements::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(700px 300px at 15% 0%,rgba(217,166,46,.12),transparent 60%),
    radial-gradient(700px 300px at 85% 100%,rgba(11,58,107,.5),transparent 60%);
  pointer-events:none;
}
.ach-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:28px;position:relative}
.ach-item{
  display:flex;flex-direction:column;align-items:center;text-align:center;gap:6px;
  padding:10px 6px;position:relative;
}
.ach-item:not(:last-child)::after{
  content:"";position:absolute;right:-14px;top:14%;bottom:14%;width:1px;
  background:linear-gradient(180deg,transparent,rgba(217,166,46,.5),transparent);
}
.ach-icon{margin-bottom:10px}
.ach-num{font-family:var(--font-head);font-weight:900;font-size:56px;line-height:1;color:var(--white)}
.ach-word{font-size:38px;text-transform:capitalize}
.ach-label{font-size:13px;font-weight:600;color:rgba(255,255,255,.72);text-transform:uppercase;letter-spacing:1.2px}

/* ============ TEACHER ============ */
.teacher{background:var(--white);overflow:hidden}
.teacher-inner{display:grid;grid-template-columns:.9fr 1.1fr;gap:64px;align-items:center}
.teacher-visual{position:relative}
.teacher-portrait{position:relative}
.teacher-svg{width:100%;height:auto;border-radius:var(--radius-lg);box-shadow:var(--shadow-lg)}
.teacher-tag{
  position:absolute;bottom:22px;left:50%;transform:translateX(-50%);
  display:inline-flex;align-items:center;gap:10px;background:rgba(255,255,255,.92);
  color:var(--navy);font-weight:700;font-size:13px;padding:12px 22px;border-radius:50px;
  box-shadow:var(--shadow-md);white-space:nowrap;
}
.teacher-name{
  font-family:var(--font-head);font-size:clamp(26px,3vw,34px);font-weight:900;color:var(--navy);
  margin-bottom:6px;
}
.teacher-role{font-weight:700;color:var(--gold-dark);font-size:15px;margin-bottom:20px;letter-spacing:.3px}
.teacher-text{color:var(--gray);font-size:16.5px;margin-bottom:28px}
.teacher-points{display:flex;flex-direction:column;gap:14px;margin-bottom:34px}
.teacher-points li{display:flex;align-items:center;gap:12px;font-weight:600;font-size:15px;color:var(--ink)}

/* ============ CTA ============ */
.cta{background:var(--light);padding:64px 0;position:relative;overflow:hidden}
.cta-panel{
  position:relative;border-radius:30px;text-align:center;
  background:linear-gradient(135deg,var(--navy-2) 0%,var(--navy) 55%,var(--navy-dark) 100%);
  padding:82px 60px;overflow:hidden;color:var(--white);
  box-shadow:var(--shadow-lg);
}
.cta-panel::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.08) 1px,transparent 1px);
  background-size:32px 32px;opacity:.4;pointer-events:none;
}
.cta-title{
  font-family:var(--font-head);font-weight:900;font-size:clamp(30px,4vw,44px);line-height:1.18;
  max-width:820px;margin:0 auto 22px;position:relative;
}
.cta-text{color:rgba(255,255,255,.78);max-width:640px;margin:0 auto 38px;position:relative;font-size:16.5px}
.cta-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;position:relative;margin-bottom:34px}
.cta-meta{
  display:flex;align-items:center;justify-content:center;gap:14px;flex-wrap:wrap;
  position:relative;font-size:13px;font-weight:600;color:rgba(255,255,255,.7);letter-spacing:.4px;
}
.cta-dot{width:5px;height:5px;border-radius:50%;background:var(--gold)}

.math-shape{
  position:absolute;font-family:var(--font-head);font-weight:800;color:rgba(244,196,78,.14);
  pointer-events:none;user-select:none;
}
.ms-1{top:34px;left:8%;font-size:74px;animation:floatY 7s ease-in-out infinite}
.ms-2{top:60px;right:10%;font-size:60px;animation:floatY 8s ease-in-out infinite 1s}
.ms-3{bottom:40px;left:12%;font-size:56px;animation:floatY 7.5s ease-in-out infinite .6s}
.ms-4{bottom:70px;right:14%;font-size:66px;animation:floatY 8.5s ease-in-out infinite 1.4s}
.ms-5{top:42%;right:4%;font-size:80px;animation:floatY 9s ease-in-out infinite .3s}
.math-triangle{
  position:absolute;width:0;height:0;border-left:34px solid transparent;
  border-right:34px solid transparent;border-bottom:56px solid rgba(244,196,78,.10);
  pointer-events:none;
}
.mt-1{top:16%;left:6%;transform:rotate(12deg)}
.mt-2{bottom:12%;right:6%;transform:rotate(-18deg)}
.math-line{
  position:absolute;width:120px;border-top:2px dashed rgba(244,196,78,.16);pointer-events:none;transform:rotate(-8deg);
}
.ml-1{top:52%;left:2%}
.ml-2{top:22%;right:2%;transform:rotate(6deg)}

/* ============ TESTIMONIALS ============ */
.testimonials{background:var(--white)}
.testimonial-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.testimonial-card{
  background:var(--light);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:36px 30px;position:relative;transition:var(--transition);
}
.testimonial-card::before{
  content:"\201C";position:absolute;top:14px;right:28px;
  font-family:var(--font-head);font-size:120px;line-height:1;color:rgba(217,166,46,.18);font-weight:900;
}
.testimonial-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-md)}
.stars{display:flex;gap:3px;margin-bottom:18px}
.testimonial-quote{font-size:15.5px;color:var(--ink);font-weight:500;margin-bottom:26px;position:relative;line-height:1.75}
.testimonial-author{display:flex;align-items:center;gap:14px}
.testimonial-avatar{
  width:50px;height:50px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:15px;color:var(--white);flex-shrink:0;
}
.av-1{background:linear-gradient(140deg,var(--navy-2),var(--navy))}
.av-2{background:linear-gradient(140deg,var(--gold),var(--gold-dark))}
.av-3{background:linear-gradient(140deg,#0E4A86,#062A52)}
.testimonial-who{display:flex;flex-direction:column}
.testimonial-name{font-weight:700;font-size:15.5px;color:var(--navy)}
.testimonial-class{font-size:12.5px;color:var(--gray)}

/* ============ RESOURCES / FAQ ============ */
.resources{background:var(--light)}
.resources-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-bottom:48px}
.resource-card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  padding:36px 30px;transition:var(--transition);position:relative;overflow:hidden;
}
.resource-card::after{
  content:"";position:absolute;top:0;right:0;width:0;height:0;
  border-top:44px solid var(--gold);border-left:44px solid transparent;
  opacity:0;transition:opacity .4s ease;
}
.resource-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-md)}
.resource-card:hover::after{opacity:.9}
.resource-ic{
  width:66px;height:66px;border-radius:16px;background:var(--light-2);
  display:flex;align-items:center;justify-content:center;margin-bottom:18px;
  border:1px solid var(--line);
}
.resource-title{font-family:var(--font-head);font-size:19px;font-weight:800;color:var(--navy);margin-bottom:8px}
.resource-text{font-size:14px;color:var(--gray)}

.faq{max-width:840px;margin:0 auto}
.faq-item{
  background:var(--white);border:1px solid var(--line);border-radius:14px;
  margin-bottom:14px;overflow:hidden;transition:var(--transition);
}
.faq-item.open{border-color:rgba(217,166,46,.55);box-shadow:var(--shadow-sm)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;font-weight:700;font-size:16px;color:var(--ink);text-align:left;
}
.faq-q:hover{color:var(--navy)}
.faq-chev{flex-shrink:0;color:var(--gold);transition:transform var(--transition)}
.faq-item.open .faq-chev{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .45s ease}
.faq-a p{padding:0 24px 22px;color:var(--gray);font-size:15px}

/* ============ CONTACT ============ */
.contact{background:var(--white);overflow:hidden}
.contact-inner{display:grid;grid-template-columns:.9fr 1.1fr;gap:64px;align-items:start}
.contact-text{color:var(--gray);margin-bottom:36px;max-width:480px}
.contact-card{
  background:var(--light);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:8px 26px;margin-bottom:28px;
}
.contact-row{
  display:flex;align-items:center;gap:18px;padding:20px 0;border-bottom:1px solid var(--line);
  transition:background .3s;
}
.contact-row:last-child{border-bottom:none}
a.contact-row:hover .contact-row-value{color:var(--gold-dark)}
.contact-ic{
  width:52px;height:52px;border-radius:14px;flex-shrink:0;
  background:linear-gradient(140deg,var(--navy-2),var(--navy));
  display:flex;align-items:center;justify-content:center;box-shadow:0 10px 22px rgba(6,42,82,.25);
}
.contact-row-text{display:flex;flex-direction:column}
.contact-row-label{font-size:12px;text-transform:uppercase;letter-spacing:1px;color:var(--gray);font-weight:700}
.contact-row-value{font-weight:700;font-size:16px;color:var(--navy);word-break:break-word}
.contact-note{
  display:inline-flex;align-items:center;gap:10px;background:rgba(217,166,46,.12);
  border:1px solid rgba(217,166,46,.4);color:var(--navy);font-weight:600;font-size:14px;
  padding:14px 20px;border-radius:50px;
}

.contact-form-card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-md);padding:44px 40px;
}
.form-head{margin-bottom:28px}
.form-title{font-family:var(--font-head);font-size:26px;font-weight:800;color:var(--navy);margin-bottom:4px}
.form-sub{font-size:14px;color:var(--gray)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.form-field{margin-bottom:18px;display:flex;flex-direction:column}
.form-field label{font-size:13px;font-weight:700;color:var(--navy);margin-bottom:8px;letter-spacing:.3px}
.form-field input,.form-field select,.form-field textarea{
  border:1.5px solid var(--line);border-radius:12px;padding:13px 16px;font-size:15px;
  background:var(--light);transition:var(--transition);width:100%;
}
.form-field input:focus,.form-field select:focus,.form-field textarea:focus{
  outline:none;border-color:var(--gold);background:var(--white);box-shadow:0 0 0 4px rgba(217,166,46,.14);
}
.form-field select{appearance:none;padding-right:40px;position:relative;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%23062A52' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 16px center;
}
.form-field textarea{resize:vertical;min-height:110px}
.field-error{color:#C0392B;font-size:12.5px;font-weight:600;margin-top:6px;min-height:0}
.input-invalid{border-color:#C0392B !important;background:#FDF3F3 !important}
.form-success{
  background:rgba(217,166,46,.12);border:1px solid rgba(217,166,46,.5);color:var(--navy);
  border-radius:12px;padding:16px 20px;font-weight:600;font-size:14.5px;margin-top:14px;
  text-align:center;
}

/* ============ FOOTER ============ */
.footer{background:var(--navy-dark);color:rgba(255,255,255,.8);padding:72px 0 0;position:relative;overflow:hidden}
.footer::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.06) 1px,transparent 1px);
  background-size:36px 36px;opacity:.35;pointer-events:none;
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1.2fr 1.3fr;gap:44px;position:relative;padding-bottom:56px;
  border-bottom:1px solid rgba(255,255,255,.1);
}
.brand-footer .brand-name{color:var(--white)}
.brand-footer .brand-tag{color:rgba(255,255,255,.55)}
.footer-desc{font-size:14px;color:rgba(255,255,255,.6);margin:20px 0 24px;max-width:320px;line-height:1.7}
.footer-social{display:flex;gap:12px}
.footer-social a{
  width:42px;height:42px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);color:var(--gold-light);
  transition:var(--transition);
}
.footer-social a:hover{background:linear-gradient(135deg,var(--gold),var(--gold-dark));color:var(--navy-dark);transform:translateY(-4px)}
.footer-title{
  font-family:var(--font-head);font-size:17px;font-weight:800;color:var(--white);
  margin-bottom:20px;position:relative;padding-bottom:12px;
}
.footer-title::after{
  content:"";position:absolute;left:0;bottom:0;width:34px;height:2px;
  background:linear-gradient(90deg,var(--gold),var(--gold-light));border-radius:2px;
}
.footer-title-sp{margin-top:28px}
.footer-links{display:flex;flex-direction:column;gap:11px}
.footer-links a{font-size:14.5px;color:rgba(255,255,255,.68);transition:var(--transition);position:relative;padding-left:0}
.footer-links a:hover{color:var(--gold-light);padding-left:8px}
.footer-links a::before{
  content:"→";position:absolute;left:0;opacity:0;color:var(--gold-light);
  transition:opacity .3s;
}
.footer-links a:hover::before{opacity:1}
.footer-news-text{font-size:13.5px;color:rgba(255,255,255,.6);margin-bottom:14px}
.newsletter-row{display:flex;gap:0;border-radius:50px;overflow:hidden;border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.07)}
.newsletter-row input{
  flex:1;min-width:0;background:transparent;border:none;padding:13px 18px;font-size:14px;color:var(--white);
}
.newsletter-row input::placeholder{color:rgba(255,255,255,.5)}
.newsletter-row input:focus{outline:none}
.btn-news{
  background:linear-gradient(135deg,var(--gold-light),var(--gold));
  color:var(--navy-dark);font-weight:700;font-size:12.5px;letter-spacing:.4px;text-transform:uppercase;
  padding:0 20px;transition:var(--transition);display:inline-flex;align-items:center;gap:6px;flex-shrink:0;
}
.btn-news:hover{background:linear-gradient(135deg,var(--gold-light),var(--gold-dark))}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:26px 0;font-size:13.5px;color:rgba(255,255,255,.55);position:relative;
}
.footer-bottom-note .heart{color:var(--gold)}

/* ============ BACK TO TOP ============ */
.back-to-top{
  position:fixed;bottom:28px;right:28px;z-index:90;width:52px;height:52px;border-radius:50%;
  background:linear-gradient(140deg,var(--gold-light),var(--gold));color:var(--navy-dark);
  display:flex;align-items:center;justify-content:center;box-shadow:0 14px 30px rgba(217,166,46,.45);
  transition:var(--transition);opacity:0;transform:translateY(20px);pointer-events:none;
}
.back-to-top.show{opacity:1;transform:translateY(0);pointer-events:auto}
.back-to-top:hover{transform:translateY(-4px);box-shadow:0 20px 40px rgba(217,166,46,.55)}

/* ============ MODAL ============ */
.modal{position:fixed;inset:0;z-index:200;display:flex;align-items:center;justify-content:center;padding:20px}
.modal[hidden]{display:none}
.modal-overlay{position:absolute;inset:0;background:rgba(3,27,56,.72);backdrop-filter:blur(6px);animation:fadeIn .3s ease}
.modal-panel{
  position:relative;background:var(--white);border-radius:var(--radius-lg);width:100%;max-width:540px;
  max-height:92vh;overflow-y:auto;padding:44px 44px;box-shadow:var(--shadow-lg);
  animation:modalIn .4s cubic-bezier(.2,.8,.3,1);animation-fill-mode:both;
}
@keyframes modalIn{from{opacity:0;transform:translateY(26px) scale(.96)}to{opacity:1;transform:translateY(0) scale(1)}}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
.modal-close{
  position:absolute;top:16px;right:16px;width:40px;height:40px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;background:var(--light);color:var(--navy);
  transition:var(--transition);
}
.modal-close:hover{background:var(--navy);color:var(--gold-light);transform:rotate(90deg)}
.modal-emblem{display:flex;justify-content:center;margin-bottom:18px}
.modal-title{font-family:var(--font-head);font-size:26px;font-weight:800;color:var(--navy);text-align:center;margin-bottom:8px}
.modal-sub{text-align:center;color:var(--gray);font-size:14.5px;margin-bottom:28px}
.modal-success-view{text-align:center;padding:16px 0}
.modal-success-mark{
  width:92px;height:92px;border-radius:50%;background:linear-gradient(140deg,var(--gold-light),var(--gold));
  display:flex;align-items:center;justify-content:center;margin:0 auto 22px;box-shadow:0 16px 36px rgba(217,166,46,.4);
}
.modal-success-text{color:var(--gray);margin-bottom:28px;font-size:16px}
body.no-scroll{overflow:hidden;padding-right:var(--scrollbar-w,0px)}

/* ============ REVEAL ANIMATIONS ============ */
.reveal{opacity:0;transform:translateY(34px);transition:opacity .8s ease,transform .8s cubic-bezier(.2,.8,.3,1)}
.reveal.visible{opacity:1;transform:translateY(0)}
.reveal[data-reveal-delay="80"]{transition-delay:.08s}
.reveal[data-reveal-delay="90"]{transition-delay:.09s}
.reveal[data-reveal-delay="100"]{transition-delay:.1s}
.reveal[data-reveal-delay="120"]{transition-delay:.12s}
.reveal[data-reveal-delay="140"]{transition-delay:.14s}
.reveal[data-reveal-delay="150"]{transition-delay:.15s}
.reveal[data-reveal-delay="160"]{transition-delay:.16s}
.reveal[data-reveal-delay="180"]{transition-delay:.18s}
.reveal[data-reveal-delay="200"]{transition-delay:.2s}
.reveal[data-reveal-delay="210"]{transition-delay:.21s}
.reveal[data-reveal-delay="240"]{transition-delay:.24s}
.reveal[data-reveal-delay="270"]{transition-delay:.27s}
.reveal[data-reveal-delay="280"]{transition-delay:.28s}
.reveal[data-reveal-delay="320"]{transition-delay:.32s}
.reveal[data-reveal-delay="350"]{transition-delay:.35s}

@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation-duration:.01ms !important;transition-duration:.01ms !important;scroll-behavior:auto !important}
  .reveal{opacity:1;transform:none}
}

/* ============ RESPONSIVE ============ */
@media (max-width:1200px){
  .course-grid{grid-template-columns:repeat(3,1fr)}
  .hero-inner{grid-template-columns:1fr .95fr;gap:40px}
  .feature-grid{grid-template-columns:repeat(3,1fr);gap:36px 28px}
  .feature-item:nth-child(4)::after,.feature-item:nth-child(5)::after{display:none}
  .ach-grid{grid-template-columns:repeat(3,1fr);gap:40px 28px}
  .ach-item:nth-child(3)::after,.ach-item:nth-child(5)::after{display:none}
}

@media (max-width:992px){
  .section{padding:80px 0}
  .topbar-hide-sm{display:none}
  .nav-links{display:none}
  .hamburger{display:flex}
  .hero{padding:56px 0 80px}
  .hero-inner{grid-template-columns:1fr;gap:48px}
  .hero-title{font-size:clamp(38px,6vw,54px)}
  .hero-visual{max-width:620px;margin-inline:auto}
  .about-inner{grid-template-columns:1fr;gap:56px}
  .about-visual{max-width:620px;margin-inline:auto}
  .course-grid{grid-template-columns:repeat(2,1fr)}
  .program-grid{grid-template-columns:repeat(2,1fr)}
  .why-grid{grid-template-columns:repeat(2,1fr)}
  .teacher-inner{grid-template-columns:1fr;gap:56px}
  .teacher-visual{max-width:520px;margin-inline:auto}
  .testimonial-grid{grid-template-columns:repeat(2,1fr)}
  .testimonial-card:last-child{grid-column:1/-1;max-width:560px;margin-inline:auto;width:100%}
  .contact-inner{grid-template-columns:1fr;gap:52px}
  .resources-grid{grid-template-columns:repeat(3,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr 1fr;gap:40px}
  .footer-brand{grid-column:1/-1}
  .ach-num{font-size:46px}
  .ach-word{font-size:32px}
}

@media (max-width:768px){
  .section{padding:64px 0}
  .hero-cta{gap:12px}
  .hero-badge{width:96px;height:96px;top:16px;left:-14px}
  .badge-num{font-size:28px}
  .mini-top{right:-8px;top:90px;padding:10px 14px;font-size:12px}
  .mini-bottom{left:-8px;bottom:80px;padding:10px 14px;font-size:12px}
  .feature-grid{grid-template-columns:repeat(2,1fr)}
  .feature-item:nth-child(3)::after{display:none}
  .feature-item::after{display:none}
  .about-stats{gap:28px}
  .about-stat-num{font-size:34px}
  .course-grid{grid-template-columns:1fr;max-width:440px;margin-inline:auto}
  .why-grid{grid-template-columns:1fr;max-width:520px;margin-inline:auto}
  .section-head{margin-bottom:40px}
  .cta-panel{padding:64px 28px}
  .testimonial-grid{grid-template-columns:1fr;max-width:520px;margin-inline:auto}
  .testimonial-card:last-child{grid-column:auto;max-width:none;margin:0}
  .resources-grid{grid-template-columns:1fr;max-width:440px;margin-inline:auto;margin-bottom:44px}
  .form-row{grid-template-columns:1fr}
  .contact-form-card{padding:32px 24px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .ach-grid{grid-template-columns:repeat(2,1fr)}
  .ach-item:nth-child(4)::after{display:none}
  .program-cta{padding:28px 24px}
  .close-btn-enroll-show{display:inline-flex}
  .modal-panel{padding:34px 26px}
}

@media (max-width:480px){
  body{font-size:16px}
  .section{padding:56px 0}
  .topbar{justify-content:center;height:auto;padding:8px 0;flex-direction:column;gap:2px}
  .hero{padding:40px 0 64px}
  .hero-title{font-size:37px}
  .hero-sub{font-size:15.5px}
  .hero-cta{flex-direction:column;align-items:stretch}
  .hero-cta .btn{width:100%}
  .hero-trust{flex-direction:column;gap:10px}
  .feature-grid{grid-template-columns:1fr;max-width:420px;margin-inline:auto}
  .program-grid{grid-template-columns:1fr}
  .about-stats{flex-direction:column;gap:24px}
  .about-mini-cards{flex-wrap:wrap;gap:8px;padding:14px 10px}
  .section-title{font-size:32px}
  .cta-title{font-size:29px}
  .cta-actions .btn{width:100%}
  .cta-meta{flex-direction:column;gap:6px}
  .ach-grid{grid-template-columns:1fr 1fr;gap:30px 14px}
  .ach-num{font-size:40px}
  .ach-word{font-size:28px}
  .back-to-top{bottom:18px;right:18px;width:48px;height:48px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{justify-content:center;text-align:center}
  .newsletter-row{flex-direction:column;display:flex}
  .btn-news{padding:14px;justify-content:center}
  .resource-card{padding:28px 22px}
  .teacher-tag{white-space:nowrap;padding:10px 16px;font-size:12px;bottom:16px}
  .brand-name{font-size:14.5px}
  .brand-tag{font-size:9.5px}
  .brand-mark{width:44px;height:44px}
  .modal-panel{padding:30px 22px}
}

@media (max-width:375px){
  .section-title{font-size:29px}
  .hero-title{font-size:33px}
  .ach-grid{grid-template-columns:1fr}
  .ach-item::after{display:none}
  .brand-name{font-size:13.5px}
  .btn{padding:13px 24px;font-size:13.5px}
}