/* ==========================================================================
   CRMavriks Institute — stylesheet
   Design tokens derived from the CRMavriks logo (navy tree + green growth
   arrow). Display face: Space Grotesk. Body: Inter. Data/labels: JetBrains Mono.
   ========================================================================== */

:root{
  /* ---- Brand colors (from logo) ---- */
  --navy-950:#060d1a;
  --navy-900:#0a1a33;
  --navy-800:#0f2547;
  --navy-700:#173563;
  --navy-600:#22477f;
  --green-700:#3a5f22;
  --green-600:#4c7a2e;
  --green-500:#63973a;
  --green-400:#83b757;
  --green-300:#a8d47f;
  --paper:#f6f8fa;
  --paper-dim:#eef1f5;
  --white:#ffffff;
  --ink:#0a1a33;
  --ink-soft:#4d5b73;
  --line:#e2e7ee;
  --line-dark:rgba(255,255,255,.12);

  /* ---- Gradients ---- */
  --grad-brand:linear-gradient(120deg,var(--green-500) 0%,var(--green-400) 45%,#cfe7ac 100%);
  --grad-navy:linear-gradient(160deg,var(--navy-950) 0%,var(--navy-800) 55%,var(--navy-700) 100%);
  --grad-glow:radial-gradient(60% 60% at 50% 40%,rgba(99,151,58,.35) 0%,rgba(10,26,51,0) 70%);

  /* ---- Type ---- */
  --font-display:'Space Grotesk',sans-serif;
  --font-body:'Inter',sans-serif;
  --font-mono:'JetBrains Mono',monospace;

  /* ---- Layout ---- */
  --maxw:1240px;
  --radius-sm:10px;
  --radius-md:18px;
  --radius-lg:28px;
  --ease:cubic-bezier(.22,1,.36,1);
}

/* ==========================================================================
   Reset & base
   ========================================================================== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  font-family:var(--font-body);
  color:var(--ink);
  background:var(--paper);
  line-height:1.6;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul,ol{list-style:none;}
button{font:inherit;cursor:pointer;border:none;background:none;color:inherit;}
input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4{font-family:var(--font-display);font-weight:600;letter-spacing:-0.02em;line-height:1.12;}
.container{max-width:var(--maxw);margin:0 auto;padding:0 32px;}
.container-narrow{max-width:820px;}
section{position:relative;}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
}

:focus-visible{outline:2px solid var(--green-400);outline-offset:3px;border-radius:4px;}

/* ==========================================================================
   Custom cursor
   ========================================================================== */
.cursor-dot,.cursor-ring{position:fixed;top:0;left:0;pointer-events:none;z-index:9999;border-radius:50%;transform:translate(-50%,-50%);}
.cursor-dot{width:6px;height:6px;background:var(--green-400);}
.cursor-ring{width:34px;height:34px;border:1.5px solid rgba(99,151,58,.5);transition:width .2s var(--ease),height .2s var(--ease),border-color .2s;}
.cursor-ring.hover{width:56px;height:56px;border-color:var(--green-500);}
@media (hover:none),(pointer:coarse){.cursor-dot,.cursor-ring{display:none;}}

/* ==========================================================================
   Loader
   ========================================================================== */
.loader{position:fixed;inset:0;background:var(--navy-950);z-index:10000;display:flex;align-items:center;justify-content:center;transition:opacity .6s var(--ease),visibility .6s;}
.loader.hidden{opacity:0;visibility:hidden;}
.loader-tree{width:120px;height:120px;}
.loader-tree path{fill:none;stroke:var(--green-400);stroke-width:3;stroke-linecap:round;stroke-dasharray:200;stroke-dashoffset:200;animation:drawTree 1.4s var(--ease) infinite alternate;}
.loader-branch{stroke:var(--green-300) !important;}
@keyframes drawTree{to{stroke-dashoffset:0;}}

/* ==========================================================================
   Scroll progress
   ========================================================================== */
.scroll-progress{position:fixed;top:0;left:0;height:3px;width:0%;background:var(--grad-brand);z-index:9998;transition:width .1s linear;}

/* ==========================================================================
   Navbar
   ========================================================================== */
.navbar{position:fixed;top:0;left:0;right:0;z-index:1000;padding:20px 0;transition:padding .35s var(--ease),background .35s var(--ease),box-shadow .35s var(--ease);}
.navbar.scrolled{padding:12px 0;background:rgba(10,26,51,.72);backdrop-filter:blur(16px) saturate(160%);box-shadow:0 8px 30px rgba(6,13,26,.25);}
.nav-container{max-width:var(--maxw);margin:0 auto;padding:0 32px;display:flex;align-items:center;justify-content:space-between;gap:24px;}
.nav-logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.nav-logo-img{width:38px;height:38px;object-fit:contain;}
.nav-logo-text{font-family:var(--font-display);font-weight:700;font-size:1.25rem;color:var(--white);letter-spacing:-0.01em;}
.navbar:not(.scrolled) .nav-logo-text{color:var(--navy-900);}
.nav-logo-text .accent{color:var(--green-500);}
.nav-links{display:flex;gap:6px;align-items:center;}
.nav-link{position:relative;padding:9px 16px;font-size:.92rem;font-weight:500;color:var(--ink-soft);border-radius:999px;transition:color .25s,background .25s;}
.navbar.scrolled .nav-link{color:rgba(255,255,255,.75);}
.nav-link:hover,.nav-link.active{color:var(--white);}
.navbar:not(.scrolled) .nav-link:hover,.navbar:not(.scrolled) .nav-link.active{color:var(--navy-900);background:rgba(76,122,46,.1);}
.navbar.scrolled .nav-link.active,.navbar.scrolled .nav-link:hover{background:rgba(255,255,255,.1);}
.btn-nav{flex-shrink:0;}
.nav-toggle{display:none;flex-direction:column;gap:5px;width:32px;height:24px;justify-content:center;}
.nav-toggle span{display:block;width:100%;height:2px;background:var(--navy-900);transition:transform .3s var(--ease),opacity .3s;}
.navbar.scrolled .nav-toggle span{background:var(--white);}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:14px 26px;border-radius:999px;font-weight:600;font-size:.95rem;transition:transform .3s var(--ease),box-shadow .3s var(--ease),background .3s;white-space:nowrap;position:relative;overflow:hidden;}
.btn-primary{background:var(--grad-brand);color:var(--navy-950);box-shadow:0 10px 30px -8px rgba(76,122,46,.55);}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 16px 36px -8px rgba(76,122,46,.65);}
.btn-ghost{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.25);color:var(--white);backdrop-filter:blur(6px);}
.btn-ghost:hover{background:rgba(255,255,255,.14);transform:translateY(-3px);}
.btn-nav{background:transparent;border:1.5px solid var(--green-500);color:var(--green-600);padding:10px 20px;font-size:.88rem;}
.navbar.scrolled .btn-nav{color:var(--green-300);border-color:var(--green-400);}
.btn-nav:hover{background:var(--green-500);color:var(--white);}
.btn-block{width:100%;}
.btn .fa-arrow-right{transition:transform .3s var(--ease);}
.btn-primary:hover .fa-arrow-right{transform:translateX(4px);}

/* Ripple */
.btn::after{content:'';position:absolute;border-radius:50%;background:rgba(255,255,255,.5);width:8px;height:8px;opacity:0;transform:scale(1);pointer-events:none;top:var(--ry,50%);left:var(--rx,50%);translate:-50% -50%;}
.btn.rippling::after{animation:ripple .6s ease-out;}
@keyframes ripple{0%{opacity:.6;transform:scale(0);}100%{opacity:0;transform:scale(22);}}

/* ==========================================================================
   Section headers / tags
   ========================================================================== */
.section-head{max-width:640px;margin-bottom:56px;}
.section-head.light h2,.section-head.light p{color:var(--white);}
.tag{display:inline-flex;align-items:center;gap:8px;font-family:var(--font-mono);font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--green-600);background:rgba(76,122,46,.1);border:1px solid rgba(76,122,46,.25);padding:6px 14px;border-radius:999px;margin-bottom:18px;}
.tag-light{color:var(--green-300);background:rgba(131,183,87,.12);border-color:rgba(131,183,87,.3);}
.section-head h2{font-size:clamp(2rem,4vw,2.85rem);margin-bottom:16px;}
.section-head p{color:var(--ink-soft);font-size:1.05rem;max-width:56ch;}
.text-gradient{background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent;}

/* ==========================================================================
   Reveal animations
   ========================================================================== */
.js .reveal-up{opacity:0;transform:translateY(34px);transition:opacity .8s var(--ease),transform .8s var(--ease);transition-delay:calc(var(--d,0) * 70ms);}
.reveal-up.in-view{opacity:1;transform:translateY(0);}
[data-delay="1"]{--d:1;} [data-delay="2"]{--d:2;} [data-delay="3"]{--d:3;} [data-delay="4"]{--d:4;}
[data-delay="5"]{--d:5;} [data-delay="6"]{--d:6;} [data-delay="7"]{--d:7;} [data-delay="8"]{--d:8;}
[data-delay="9"]{--d:9;} [data-delay="10"]{--d:10;}

/* ==========================================================================
   HERO
   ========================================================================== */
.hero{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;position:relative;background:var(--grad-navy);overflow:hidden;padding:140px 24px 100px;}
.hero-bg{position:absolute;inset:0;z-index:0;}
#particleCanvas{position:absolute;inset:0;width:100%;height:100%;}
.hero-grid{position:absolute;inset:-2px;background-image:linear-gradient(rgba(131,183,87,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(131,183,87,.07) 1px,transparent 1px);background-size:52px 52px;mask-image:radial-gradient(circle at 50% 35%,rgba(0,0,0,.9) 0%,transparent 72%);animation:gridDrift 40s linear infinite;}
@keyframes gridDrift{to{background-position:52px 52px;}}
.hero-beam{position:absolute;width:2px;height:70%;top:0;background:linear-gradient(180deg,rgba(131,183,87,0),rgba(131,183,87,.5),rgba(131,183,87,0));filter:blur(1px);opacity:.5;}
.beam-1{left:22%;animation:beamMove 9s ease-in-out infinite;}
.beam-2{right:18%;animation:beamMove 11s ease-in-out infinite reverse;}
@keyframes beamMove{0%,100%{transform:translateY(-10%);opacity:.2;}50%{transform:translateY(10%);opacity:.6;}}
.blob{position:absolute;border-radius:50%;filter:blur(70px);opacity:.35;animation:blobFloat 16s ease-in-out infinite;}
.blob-a{width:420px;height:420px;background:var(--green-600);top:-10%;left:-8%;}
.blob-b{width:380px;height:380px;background:var(--navy-600);bottom:-15%;right:-6%;animation-delay:-6s;}
@keyframes blobFloat{0%,100%{transform:translate(0,0) scale(1);}50%{transform:translate(40px,-30px) scale(1.08);}}

.hero-content{position:relative;z-index:2;max-width:1180px;width:100%;display:flex;flex-direction:column;align-items:center;text-align:center;gap:20px;}
.hero-text{max-width:720px;}
.hero-visual{width:100%;max-width:520px;margin-top:8px;filter:drop-shadow(0 30px 60px rgba(6,13,26,.5));animation:heroVisualFloat 7s ease-in-out infinite;}
.hero-visual img{width:100%;height:auto;}
@keyframes heroVisualFloat{0%,100%{transform:translateY(0);}50%{transform:translateY(-14px);}}
@media (min-width:980px){
  .hero-content{flex-direction:row;align-items:center;text-align:left;gap:48px;}
  .hero-text{flex:1 1 480px;}
  .hero-visual{flex:1 1 480px;max-width:560px;margin-top:0;}
  .hero-cta{justify-content:flex-start;}
  .hero-stats{justify-content:flex-start;}
}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-family:var(--font-mono);font-size:.78rem;letter-spacing:.1em;text-transform:uppercase;color:var(--green-300);background:rgba(131,183,87,.08);border:1px solid rgba(131,183,87,.28);padding:8px 18px;border-radius:999px;margin-bottom:28px;}
.eyebrow-dot{width:7px;height:7px;border-radius:50%;background:var(--green-400);box-shadow:0 0 12px 2px var(--green-400);animation:pulse 2s ease-in-out infinite;}
@keyframes pulse{0%,100%{opacity:1;}50%{opacity:.35;}}
.hero-title{font-size:clamp(2.4rem,6vw,4.6rem);color:var(--white);margin-bottom:24px;}
.hero-sub{font-size:clamp(1.02rem,1.6vw,1.25rem);color:rgba(255,255,255,.72);max-width:640px;margin:0 auto 40px;}
.hero-cta{display:flex;gap:18px;justify-content:center;flex-wrap:wrap;margin-bottom:56px;}
.hero-stats{display:flex;gap:44px;justify-content:center;flex-wrap:wrap;}
.hero-stat{display:flex;flex-direction:column;align-items:center;}
.hero-stat strong{font-family:var(--font-display);font-size:1.9rem;color:var(--white);}
.hero-stat span{font-size:.82rem;color:rgba(255,255,255,.55);}

.hero-scroll-cue{position:absolute;bottom:34px;left:50%;transform:translateX(-50%);display:flex;flex-direction:column;align-items:center;gap:10px;color:rgba(255,255,255,.5);font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;z-index:2;}
.scroll-line{width:1px;height:36px;background:rgba(255,255,255,.2);position:relative;overflow:hidden;}
.scroll-dot{position:absolute;width:1px;height:12px;background:var(--green-400);animation:scrollDot 1.8s ease-in-out infinite;}
@keyframes scrollDot{0%{top:-12px;}100%{top:36px;}}

.section-divider{display:block;width:100%;height:80px;margin-top:-2px;position:relative;z-index:1;}
.section-divider path{fill:var(--paper);}

/* ==========================================================================
   ABOUT
   ========================================================================== */
.about{padding:120px 0 100px;background:var(--paper);}
.about-intro{display:flex;flex-direction:column;gap:20px;align-items:center;margin-bottom:20px;}
.about-visual{width:100%;max-width:420px;}
.about-visual img{width:100%;height:auto;}
@media (min-width:980px){
  .about-intro{flex-direction:row;justify-content:space-between;align-items:center;gap:40px;}
  .about-visual{max-width:400px;flex-shrink:0;}
}
.about-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.about-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius-md);padding:34px 28px;transition:transform .4s var(--ease),box-shadow .4s var(--ease),border-color .4s;}
.about-card:hover{transform:translateY(-6px);box-shadow:0 20px 40px -18px rgba(10,26,51,.18);border-color:rgba(76,122,46,.35);}
.about-icon{width:52px;height:52px;border-radius:14px;background:var(--grad-brand);display:flex;align-items:center;justify-content:center;font-size:1.2rem;color:var(--navy-950);margin-bottom:20px;}
.about-card h3{font-size:1.12rem;margin-bottom:8px;}
.about-card p{color:var(--ink-soft);font-size:.94rem;}

/* ==========================================================================
   COURSES
   ========================================================================== */
.courses{padding:100px 0;background:var(--paper-dim);}
.course-filters{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:40px;}
.filter-btn{padding:9px 18px;border-radius:999px;border:1px solid var(--line);background:var(--white);font-size:.86rem;font-weight:500;color:var(--ink-soft);transition:all .3s var(--ease);}
.filter-btn:hover{border-color:var(--green-500);color:var(--green-600);}
.filter-btn.active{background:var(--navy-900);color:var(--white);border-color:var(--navy-900);}
.course-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.course-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius-md);padding:30px 26px;transition:transform .45s var(--ease),box-shadow .45s var(--ease);position:relative;overflow:hidden;}
.course-card::before{content:'';position:absolute;inset:0;background:var(--grad-brand);opacity:0;transition:opacity .4s;z-index:0;}
.course-card:hover{transform:translateY(-8px) rotateX(2deg);box-shadow:0 26px 50px -20px rgba(10,26,51,.22);}
.course-card > *{position:relative;z-index:1;}
.course-card-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;}
.course-icon{width:50px;height:50px;border-radius:13px;background:linear-gradient(150deg,var(--navy-900),var(--navy-700));display:flex;align-items:center;justify-content:center;font-size:1.15rem;color:var(--green-300);}
.course-level{font-family:var(--font-mono);font-size:.68rem;letter-spacing:.06em;text-transform:uppercase;color:var(--green-600);background:rgba(76,122,46,.1);padding:4px 10px;border-radius:999px;}
.course-card h3{font-size:1.18rem;margin-bottom:8px;}
.course-card p{color:var(--ink-soft);font-size:.9rem;margin-bottom:16px;}
.course-meta{display:flex;align-items:center;justify-content:space-between;padding-top:16px;border-top:1px solid var(--line);}
.course-duration{font-size:.82rem;color:var(--ink-soft);display:flex;align-items:center;gap:6px;}
.course-link{font-size:.86rem;font-weight:600;color:var(--green-600);display:flex;align-items:center;gap:6px;}
.course-link i{transition:transform .3s var(--ease);}
.course-card:hover .course-link i{transform:translateX(4px);}
.course-card.hide{display:none;}

/* ==========================================================================
   LEARNING JOURNEY (dark)
   ========================================================================== */
.journey{background:var(--grad-navy);padding:120px 0;position:relative;overflow:hidden;}
.timeline{position:relative;max-width:820px;margin:0 auto;padding-top:20px;}
.timeline-path{position:absolute;left:50%;top:0;bottom:0;width:2px;transform:translateX(-50%);height:100%;}
.timeline-path path{fill:none;stroke:var(--green-500);stroke-width:2;stroke-dasharray:1000;stroke-dashoffset:1000;transition:stroke-dashoffset 1.6s var(--ease);}
.timeline-path.drawn path{stroke-dashoffset:0;}
.timeline-step{display:flex;align-items:center;gap:36px;position:relative;margin-bottom:64px;}
.timeline-step:last-child{margin-bottom:0;}
.timeline-step.reverse{flex-direction:row-reverse;text-align:right;}
.timeline-step.reverse .timeline-card{text-align:right;}
.timeline-marker{flex-shrink:0;width:64px;height:64px;border-radius:50%;background:var(--navy-900);border:2px solid var(--green-500);display:flex;align-items:center;justify-content:center;font-size:1.3rem;color:var(--green-300);z-index:2;box-shadow:0 0 0 8px rgba(76,122,46,.08);}
.timeline-card{flex:1;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.09);backdrop-filter:blur(10px);border-radius:var(--radius-md);padding:26px 28px;}
.timeline-index{font-family:var(--font-mono);font-size:.72rem;color:var(--green-400);letter-spacing:.1em;}
.timeline-card h3{color:var(--white);font-size:1.3rem;margin:8px 0 8px;}
.timeline-card p{color:rgba(255,255,255,.62);font-size:.92rem;}

/* ==========================================================================
   WHY / COUNTERS
   ========================================================================== */
.why{padding:110px 0;background:var(--paper);}
.counter-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.counter-card{text-align:center;padding:42px 20px;border-radius:var(--radius-md);background:var(--white);border:1px solid var(--line);}
.counter-num{font-family:var(--font-display);font-size:clamp(2.4rem,4vw,3.2rem);font-weight:700;background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent;}
.counter-label{margin-top:8px;color:var(--ink-soft);font-size:.92rem;font-weight:500;}

/* ==========================================================================
   FEATURES
   ========================================================================== */
.features{padding:110px 0;background:var(--paper-dim);}
.feature-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:18px;}
.feature-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius-sm);padding:26px 20px;text-align:center;transition:transform .35s var(--ease),box-shadow .35s var(--ease),border-color .35s;}
.feature-card:hover{transform:translateY(-5px);box-shadow:0 18px 34px -18px rgba(10,26,51,.2);border-color:rgba(76,122,46,.3);}
.feature-card i{font-size:1.4rem;color:var(--green-600);margin-bottom:14px;}
.feature-card h3{font-size:.95rem;margin-bottom:6px;}
.feature-card p{font-size:.8rem;color:var(--ink-soft);}

/* ==========================================================================
   FOUNDRY AI (dark, premium)
   ========================================================================== */
.foundry{background:var(--navy-950);padding:120px 0;position:relative;overflow:hidden;}
.foundry-bg{position:absolute;inset:0;opacity:.5;}
.foundry-circuit{width:100%;height:100%;}
.foundry-inner{position:relative;z-index:1;display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;}
.foundry-orb{width:88px;height:88px;margin-bottom:18px;animation:heroVisualFloat 6s ease-in-out infinite;}
.foundry-copy h2{color:var(--white);font-size:clamp(2rem,3.6vw,2.7rem);margin:16px 0 18px;}
.foundry-copy p{color:rgba(255,255,255,.65);margin-bottom:30px;max-width:46ch;}
.foundry-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;}
.foundry-chip{background:rgba(255,255,255,.04);border:1px solid rgba(131,183,87,.25);border-radius:var(--radius-sm);padding:22px 14px;text-align:center;transition:transform .4s var(--ease),background .4s;}
.foundry-chip:hover{transform:translateY(-6px);background:rgba(131,183,87,.1);}
.foundry-chip i{font-size:1.3rem;color:var(--green-400);display:block;margin-bottom:10px;}
.foundry-chip span{color:var(--white);font-size:.82rem;font-weight:500;}

/* ==========================================================================
   TESTIMONIALS
   ========================================================================== */
.testimonials{padding:110px 0 120px;background:var(--paper);overflow:hidden;}
.testi-track-wrap{width:100%;overflow:hidden;mask-image:linear-gradient(90deg,transparent,black 8%,black 92%,transparent);}
.testi-track{display:flex;gap:22px;width:max-content;animation:testiScroll 34s linear infinite;}
.testi-track:hover{animation-play-state:paused;}
@keyframes testiScroll{from{transform:translateX(0);}to{transform:translateX(-50%);}}
.testi-card{width:340px;flex-shrink:0;background:rgba(255,255,255,.6);border:1px solid var(--line);backdrop-filter:blur(10px);border-radius:var(--radius-md);padding:28px;box-shadow:0 20px 40px -26px rgba(10,26,51,.2);}
.testi-stars{color:var(--green-500);letter-spacing:3px;margin-bottom:14px;}
.testi-card p{font-size:.94rem;color:var(--ink);margin-bottom:20px;}
.testi-author{display:flex;align-items:center;gap:12px;}
.testi-avatar{width:44px;height:44px;border-radius:50%;flex-shrink:0;object-fit:cover;box-shadow:0 4px 12px -4px rgba(10,26,51,.35);}
.testi-author strong{display:block;font-size:.88rem;}
.testi-author span{font-size:.78rem;color:var(--ink-soft);}

/* ==========================================================================
   FAQ
   ========================================================================== */
.faq{padding:100px 0 120px;background:var(--paper-dim);}
.faq-list{display:flex;flex-direction:column;gap:14px;}
.faq-item{background:var(--white);border:1px solid var(--line);border-radius:var(--radius-sm);overflow:hidden;}
.faq-question{width:100%;display:flex;align-items:center;justify-content:space-between;padding:22px 26px;text-align:left;font-weight:600;font-size:1rem;}
.faq-question i{color:var(--green-600);transition:transform .35s var(--ease);flex-shrink:0;}
.faq-item.open .faq-question i{transform:rotate(135deg);}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .4s var(--ease);}
.faq-answer p{padding:0 26px 22px;color:var(--ink-soft);font-size:.94rem;}

/* ==========================================================================
   CONTACT
   ========================================================================== */
.contact{padding:120px 0;background:var(--paper);}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:start;}
.contact-info p{color:var(--ink-soft);margin-bottom:32px;max-width:42ch;}
.contact-detail{display:flex;align-items:center;gap:16px;margin-bottom:20px;}
.contact-detail i{width:46px;height:46px;border-radius:12px;background:var(--paper-dim);display:flex;align-items:center;justify-content:center;color:var(--green-600);flex-shrink:0;}
.contact-detail span{display:block;font-size:.76rem;color:var(--ink-soft);}
.contact-detail strong{font-size:.98rem;}
.contact-social{display:flex;gap:12px;margin-top:26px;}
.contact-social a{width:40px;height:40px;border-radius:50%;background:var(--paper-dim);display:flex;align-items:center;justify-content:center;color:var(--ink);transition:all .3s var(--ease);}
.contact-social a:hover{background:var(--grad-brand);color:var(--navy-950);transform:translateY(-3px);}

.glass-card{background:rgba(255,255,255,.7);backdrop-filter:blur(18px);border:1px solid var(--line);border-radius:var(--radius-lg);padding:38px;box-shadow:0 30px 60px -30px rgba(10,26,51,.2);}
.contact-form h3{font-size:1.3rem;margin-bottom:24px;}
.form-row{margin-bottom:18px;display:flex;flex-direction:column;gap:6px;}
.form-row label{font-size:.82rem;font-weight:600;color:var(--ink-soft);}
.form-row input,.form-row select,.form-row textarea{padding:13px 16px;border-radius:10px;border:1.5px solid var(--line);background:var(--white);transition:border-color .3s,box-shadow .3s;}
.form-row input:focus,.form-row select:focus,.form-row textarea:focus{border-color:var(--green-500);box-shadow:0 0 0 4px rgba(76,122,46,.12);outline:none;}
.form-row input.invalid,.form-row select.invalid,.form-row textarea.invalid{border-color:#c4453a;}
.form-error{font-size:.76rem;color:#c4453a;min-height:14px;}
.btn-spinner{display:none;width:16px;height:16px;border:2px solid rgba(6,13,26,.25);border-top-color:var(--navy-950);border-radius:50%;animation:spin .7s linear infinite;}
.submitting .btn-text{opacity:.5;}
.submitting .btn-spinner{display:inline-block;}
@keyframes spin{to{transform:rotate(360deg);}}
.form-status{margin-top:14px;font-size:.9rem;text-align:center;min-height:20px;}
.form-status.success{color:var(--green-600);}
.form-status.error{color:#c4453a;}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.footer{background:var(--navy-950);color:rgba(255,255,255,.7);padding:90px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding-bottom:60px;border-bottom:1px solid rgba(255,255,255,.08);}
.footer-brand p{margin:16px 0 20px;font-size:.9rem;max-width:34ch;color:rgba(255,255,255,.5);}
.footer .nav-logo-text{color:var(--white);}
.footer-col h4{color:var(--white);font-size:.92rem;margin-bottom:18px;letter-spacing:.03em;}
.footer-col a{display:block;font-size:.88rem;margin-bottom:12px;color:rgba(255,255,255,.55);transition:color .25s;}
.footer-col a:hover{color:var(--green-300);}
.footer .contact-social a{background:rgba(255,255,255,.06);color:var(--white);}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;padding:26px 32px;font-size:.82rem;color:rgba(255,255,255,.45);flex-wrap:wrap;gap:10px;}
.footer-legal{display:flex;gap:22px;}
.footer-legal a:hover{color:var(--green-300);}

/* ==========================================================================
   Back to top
   ========================================================================== */
.back-to-top{position:fixed;bottom:28px;right:28px;width:48px;height:48px;border-radius:50%;background:var(--navy-900);color:var(--white);display:flex;align-items:center;justify-content:center;z-index:900;opacity:0;visibility:hidden;transform:translateY(10px);transition:all .35s var(--ease);box-shadow:0 12px 26px -10px rgba(10,26,51,.4);}
.back-to-top.show{opacity:1;visibility:visible;transform:translateY(0);}
.back-to-top:hover{background:var(--green-600);}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width:1080px){
  .about-grid,.course-grid{grid-template-columns:repeat(2,1fr);}
  .feature-grid{grid-template-columns:repeat(3,1fr);}
  .counter-grid{grid-template-columns:repeat(2,1fr);}
  .foundry-inner{grid-template-columns:1fr;}
  .contact-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
}

@media (max-width:860px){
  .nav-links,.btn-nav{display:none;}
  .nav-toggle{display:flex;}
  .navbar.menu-open .nav-links{display:flex;}
  .nav-links{position:fixed;top:0;right:0;height:100vh;width:74%;max-width:320px;background:var(--navy-950);flex-direction:column;justify-content:center;align-items:flex-start;padding:40px;gap:8px;transform:translateX(100%);transition:transform .4s var(--ease);}
  .navbar.menu-open .nav-links{transform:translateX(0);}
  .navbar.menu-open .nav-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg);}
  .navbar.menu-open .nav-toggle span:nth-child(2){opacity:0;}
  .navbar.menu-open .nav-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
  .nav-link{color:rgba(255,255,255,.75);width:100%;}
  .timeline-step,.timeline-step.reverse{flex-direction:column;text-align:center;gap:16px;}
  .timeline-step.reverse .timeline-card{text-align:center;}
  .timeline-path{left:32px;}
}

@media (max-width:640px){
  .container{padding:0 20px;}
  .about-grid,.course-grid,.feature-grid,.counter-grid{grid-template-columns:1fr;}
  .foundry-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr;}
  .hero{padding-top:120px;}
  .hero-cta{flex-direction:column;width:100%;}
  .hero-cta .btn{width:100%;}
}