/* ============================================================
   Hi-Skill Institute – Complete Stylesheet
   Fully responsive, zero inline-style dependencies
   ============================================================ */

/* ── VARIABLES ─────────────────────────────────────────────── */
:root {
  --primary:   #1a3a52;
  --secondary: #00d4ff;
  --accent:    #ff6b35;
  --white:     #ffffff;
  --light-bg:  #f8f9fb;
  --light-gray:#e8eef5;
  --med-gray:  #a0aec0;
  --dark-gray: #4a5568;
  --text-dark: #1a202c;

  --grad-primary: linear-gradient(135deg,#1a3a52 0%,#00d4ff 100%);
  --grad-accent:  linear-gradient(135deg,#ff6b35 0%,#ff8c42 100%);

  --shadow-sm: 0 1px 2px rgba(0,0,0,.05);
  --shadow-md: 0 4px 6px rgba(0,0,0,.10);
  --shadow-lg: 0 10px 25px rgba(0,0,0,.15);
  --shadow-xl: 0 20px 40px rgba(0,0,0,.20);

  --r-sm: .375rem; --r-md: .5rem; --r-lg: 1rem; --r-xl: 1.5rem;
  --t-fast: .2s ease-in-out; --t-norm: .3s ease-in-out;

  /* kept for any remaining inline-style references */
  --spacing-xs:.5rem; --spacing-sm:1rem; --spacing-md:1.5rem;
  --spacing-lg:2rem;  --spacing-xl:3rem; --spacing-2xl:4rem;
  --radius-sm:.375rem;--radius-md:.5rem; --radius-lg:1rem; --radius-xl:1.5rem;
  --transition-fast:.2s ease-in-out; --transition-normal:.3s ease-in-out;
}

/* ── RESET ─────────────────────────────────────────────────── */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;font-size:16px}
body{
  font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  color:var(--text-dark);background:var(--white);line-height:1.6;
  overflow-x:hidden;width:100%;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--primary);text-decoration:none;transition:color var(--t-fast)}
a:hover{color:var(--accent)}
p{margin-bottom:1.5rem;color:var(--dark-gray)}

/* ── TYPOGRAPHY ────────────────────────────────────────────── */
h1,h2,h3,h4,h5,h6{
  font-family:'Poppins',sans-serif;font-weight:700;line-height:1.2;
  margin-bottom:1.25rem;
}
h1{font-size:clamp(1.6rem,4.5vw,3rem);  letter-spacing:-.02em;color:var(--white)}
h2{font-size:clamp(1.35rem,3.5vw,2.2rem);letter-spacing:-.01em;color:var(--text-dark)}
h3{font-size:clamp(1.1rem,2.5vw,1.65rem);color:var(--text-dark)}
h4{font-size:clamp(1rem,2vw,1.35rem);   color:var(--text-dark)}
h5{font-size:1.1rem} h6{font-size:1rem}

/* ── CONTAINER ─────────────────────────────────────────────── */
.container{max-width:1200px;margin:0 auto;padding:0 1.5rem;width:100%}
.container-narrow{max-width:800px;margin:0 auto;padding:0 1.5rem;width:100%}

/* ── HEADER ────────────────────────────────────────────────── */
header{
  background:var(--white);box-shadow:var(--shadow-md);
  position:sticky;top:0;z-index:1000;
}
.header-container{
  max-width:1400px;margin:0 auto;padding:.9rem 1.5rem;
  display:flex;align-items:center;justify-content:space-between;
  position:relative;                /* anchor for mobile nav */
}
.logo{display:flex;align-items:center;flex-shrink:0}
.logo img{height:60px;width:auto;transition:height var(--t-fast)}

/* ── DESKTOP NAV ───────────────────────────────────────────── */
.main-nav{
  display:flex;gap:.2rem;align-items:center;
  flex:1;justify-content:center;flex-wrap:nowrap;
}
.main-nav>a{
  color:var(--text-dark);font-weight:500;font-size:.87rem;
  white-space:nowrap;padding:.48rem .65rem;border-radius:var(--r-md);
  transition:color var(--t-fast),background var(--t-fast);
}
.main-nav>a:hover{color:var(--accent);background:rgba(255,107,53,.08)}

/* ── DROPDOWN ──────────────────────────────────────────────── */
.nav-dropdown{position:relative}
.nav-dropdown>a{
  display:flex;align-items:center;gap:.35rem;
  color:var(--text-dark);font-weight:500;font-size:.87rem;
  cursor:pointer;padding:.48rem .65rem;border-radius:var(--r-md);
  white-space:nowrap;transition:color var(--t-fast),background var(--t-fast);
}
.nav-dropdown>a:hover{color:var(--accent);background:rgba(255,107,53,.08)}
.dropdown-arrow{font-size:.65rem;transition:transform var(--t-fast)}
.nav-dropdown:hover .dropdown-arrow{transform:rotate(180deg)}

.dropdown-menu{
  position:absolute;top:calc(100% + .3rem);left:0;
  background:var(--white);border-radius:var(--r-lg);
  box-shadow:var(--shadow-lg);list-style:none;min-width:210px;
  opacity:0;visibility:hidden;transform:translateY(-8px);
  transition:all var(--t-norm);z-index:200;max-height:70vh;overflow-y:auto;
}
.nav-dropdown:hover .dropdown-menu{opacity:1;visibility:visible;transform:translateY(0)}
.dropdown-menu li a{
  display:block;padding:.65rem 1.25rem;color:var(--text-dark);
  font-size:.875rem;transition:all var(--t-fast);
}
.dropdown-menu li a:hover{background:var(--light-bg);color:var(--accent);padding-left:1.65rem}
.dropdown-menu li:first-child a{border-radius:var(--r-lg) var(--r-lg) 0 0}
.dropdown-menu li:last-child  a{border-radius:0 0 var(--r-lg) var(--r-lg)}

/* ── HEADER CTA ────────────────────────────────────────────── */
.header-cta{display:flex;gap:.75rem;flex-shrink:0}

/* ── BUTTONS ───────────────────────────────────────────────── */
.btn{
  padding:.65rem 1.35rem;border-radius:var(--r-md);font-weight:600;
  font-size:.875rem;border:none;cursor:pointer;text-decoration:none;
  display:inline-block;text-align:center;white-space:nowrap;
  transition:all var(--t-fast);line-height:1.4;
}
.btn-primary {background:var(--grad-accent);color:var(--white)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg);color:var(--white)}
.btn-secondary{background:var(--light-bg);color:var(--primary)}
.btn-secondary:hover{background:var(--secondary);color:var(--white)}
.btn-outline{border:2px solid var(--primary);color:var(--primary);background:transparent}
.btn-outline:hover{background:var(--primary);color:var(--white)}
.btn-accent{background:var(--grad-accent);color:var(--white)}
.btn-accent:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg);color:var(--white)}
/* white ghost button – for use on dark/gradient sections */
.btn-white{
  background:rgba(255,255,255,.15);color:var(--white);
  border:2px solid rgba(255,255,255,.8);backdrop-filter:blur(4px);
}
.btn-white:hover{background:var(--white);color:var(--primary);border-color:var(--white)}
.btn-lg{padding:.9rem 2rem;font-size:1rem}
.btn-block{width:100%}

/* ── MOBILE HAMBURGER ──────────────────────────────────────── */
.mobile-menu-toggle{
  display:none;background:none;border:none;font-size:1.5rem;
  cursor:pointer;color:var(--text-dark);padding:.4rem;
  line-height:1;flex-shrink:0;
}

/* ── PAGE HERO (inner pages) ───────────────────────────────── */
.page-hero{
  background:var(--grad-primary);padding:4rem 1.5rem;
  text-align:center;color:var(--white);
  min-height:220px;display:flex;align-items:center;justify-content:center;
}
.page-hero .container{display:flex;flex-direction:column;align-items:center}
.page-hero h1{font-size:clamp(1.4rem,3.5vw,2.5rem);color:var(--white);margin-bottom:.75rem}
.page-hero p {font-size:clamp(.9rem,2vw,1.1rem);color:rgba(255,255,255,.92);margin-bottom:0}
.page-hero .btn{margin-top:1.25rem}

/* ── HERO SLIDER ───────────────────────────────────────────── */
/* padding:0 !important overrides global section padding */
.hero-slider{
  position:relative;
  padding:0 !important;margin:0;
  width:100%;
  height:90vh;min-height:380px;max-height:780px;
  overflow:hidden;background:var(--primary);
}
.hero-slides{position:relative;width:100%;height:100%}
.hero-slide{
  position:absolute;inset:0;
  width:100%;height:100%;
  opacity:0;transition:opacity .9s ease-in-out;
  background-size:cover;background-position:center top;
  background-repeat:no-repeat;
  display:flex;align-items:center;justify-content:center;
}
.hero-slide.active{opacity:1}
.hero-overlay{position:absolute;inset:0;background:rgba(0,0,0,.42);z-index:1}
.hero-content{
  position:relative;z-index:2;text-align:center;
  color:var(--white);max-width:680px;padding:0 1.5rem;width:100%;
}
.hero-content h1{
  font-size:clamp(1.35rem,3.8vw,2.9rem);color:var(--white);
  margin-bottom:.85rem;text-shadow:0 2px 12px rgba(0,0,0,.4);
}
.hero-content p{
  font-size:clamp(.88rem,2vw,1.1rem);
  color:rgba(255,255,255,.93);margin-bottom:1.75rem;
}
.hero-buttons{display:flex;gap:.85rem;justify-content:center;flex-wrap:wrap}
.hero-buttons .btn{padding:.85rem 1.75rem;font-size:.95rem}

/* ── SLIDER CONTROLS ───────────────────────────────────────── */
.slider-arrow{
  position:absolute;top:50%;transform:translateY(-50%);
  z-index:10;background:rgba(255,255,255,.88);border:none;
  width:46px;height:46px;border-radius:50%;cursor:pointer;
  font-size:1.1rem;display:flex;align-items:center;justify-content:center;
  box-shadow:var(--shadow-md);color:var(--primary);transition:all var(--t-fast);
}
.slider-arrow.prev{left:1.25rem}
.slider-arrow.next{right:1.25rem}
.slider-arrow:hover{background:var(--accent);color:var(--white);transform:translateY(-50%) scale(1.1)}

.slider-controls{
  position:absolute;bottom:1.5rem;left:50%;transform:translateX(-50%);
  z-index:10;display:flex;gap:.5rem;align-items:center;
}
.slider-dot{
  width:10px;height:10px;border-radius:50%;
  background:rgba(255,255,255,.55);cursor:pointer;
  transition:all var(--t-fast);border:none;
}
.slider-dot.active{background:var(--accent);width:28px;border-radius:5px}

/* ── SECTIONS ──────────────────────────────────────────────── */
section{padding:4rem 1.5rem}
.section-title{text-align:center;margin-bottom:3rem}
.section-title h2{margin-bottom:.5rem}
.section-title p{font-size:1.05rem;color:var(--med-gray)}

/* dark-gradient section used by course "Why Choose This Course" */
.section-primary{
  background:var(--grad-primary);color:var(--white);
  padding:4rem 1.5rem;
}
.section-primary h2{color:var(--white);text-align:center;margin-bottom:3rem}
.section-primary .feature-card-dark{
  background:rgba(255,255,255,.1);padding:1.5rem;
  border-radius:var(--r-lg);border-left:4px solid var(--accent);
}
.section-primary .feature-card-dark p{color:var(--white);font-weight:600;margin:0}

/* ── UTILITY CLASSES ───────────────────────────────────────── */
.bg-light{background:var(--light-bg)}
.bg-primary{background:var(--grad-primary);color:var(--white)}
.text-center{text-align:center}
.text-accent{color:var(--accent)}
.highlight{color:var(--accent)}
.leader-title{color:var(--accent);font-weight:600;margin-bottom:.5rem}

/* ── GRIDS ─────────────────────────────────────────────────── */
.grid{display:grid;gap:2rem}
.grid-2{grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
.grid-3{grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}

.features-grid     {display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:2rem}
.courses-grid      {display:grid;grid-template-columns:repeat(auto-fit,minmax(265px,1fr));gap:2rem}
.testimonials-grid {display:grid;grid-template-columns:repeat(auto-fit,minmax(265px,1fr));gap:2rem}
.stats-grid        {display:grid;grid-template-columns:repeat(4,1fr);gap:1.5rem}

/* course overview 2-col */
.course-overview-grid{display:grid;grid-template-columns:2fr 1fr;gap:3rem;align-items:start}

/* curriculum tiles */
.curriculum-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1.1rem}
.curriculum-item{
  background:var(--white);padding:1.1rem 1.25rem;
  border-radius:var(--r-md);border-left:4px solid var(--accent);
  font-weight:600;color:var(--primary);
}

/* contact 2-col layout */
.contact-layout{display:grid;grid-template-columns:1fr 1fr;gap:3rem;margin-top:2rem}

/* partners / logo grid */
.partners-grid{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));
  gap:1.25rem;margin-top:2rem;text-align:center;
}
.partner-logo{
  padding:1rem;background:var(--light-bg);
  border-radius:var(--r-lg);font-weight:700;
  color:var(--primary);font-size:1rem;
  transition:all var(--t-fast);
}
.partner-logo:hover{background:var(--primary);color:var(--white);transform:translateY(-3px)}

/* ── CARDS ─────────────────────────────────────────────────── */
.card{background:var(--white);border-radius:var(--r-lg);padding:2rem;box-shadow:var(--shadow-md);transition:all var(--t-norm)}
.card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}

.feature-card{background:var(--white);border-radius:var(--r-lg);padding:2rem;box-shadow:var(--shadow-md);transition:all var(--t-norm);text-align:center}
.feature-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}
.feature-icon{font-size:2.75rem;margin-bottom:1rem}

.course-card{background:var(--white);border-radius:var(--r-lg);padding:2rem;box-shadow:var(--shadow-md);transition:all var(--t-norm);border-left:4px solid var(--accent)}
.course-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}
.course-icon{width:68px;height:68px;border-radius:var(--r-lg);display:flex;align-items:center;justify-content:center;font-size:1.75rem;margin-bottom:1rem}
.course-link{color:var(--accent);font-weight:600;display:inline-flex;align-items:center;gap:.5rem;margin-top:1rem}
.course-link:hover{gap:1rem;color:var(--accent)}

.testimonial-card{background:var(--light-bg);border-radius:var(--r-lg);padding:2rem;border-left:4px solid var(--accent)}
.testimonial-stars{color:#ffc107;font-size:1.1rem;margin-bottom:1rem}
.testimonial-text{font-style:italic;margin-bottom:1rem;color:var(--dark-gray)}
.testimonial-author{font-weight:600;color:var(--primary)}
.testimonial-position{font-size:.875rem;color:var(--med-gray)}

.stat-card{background:var(--light-bg);border-radius:var(--r-lg);padding:2rem 1rem;text-align:center;border-top:4px solid var(--accent)}
.stat-number{font-size:clamp(1.75rem,4vw,2.5rem);font-weight:700;color:var(--accent);margin-bottom:.4rem}
.stat-label{font-size:.95rem;color:var(--text-dark);font-weight:600}

/* info card – white card with shadow (used in about, corporate) */
.info-card{background:var(--white);padding:2rem;border-radius:var(--r-lg);box-shadow:var(--shadow-md);margin-top:2rem}
.info-card h3{color:var(--primary);margin-bottom:1rem}

/* course sidebar card */
.course-sidebar{background:var(--light-bg);padding:2rem;border-radius:var(--r-lg);border-left:4px solid var(--accent)}
.sidebar-row{margin-bottom:1.25rem}
.sidebar-row:last-child{margin-bottom:0}
.sidebar-label{font-weight:600;margin-bottom:.3rem;color:var(--text-dark)}
.sidebar-value{color:var(--dark-gray)}

/* job card (careers page) */
.job-card{background:var(--light-bg);padding:1.5rem;border-radius:var(--r-lg);border-left:4px solid var(--accent);margin-bottom:1.25rem}
.job-card h4{color:var(--primary);margin-bottom:.4rem}
.job-meta{font-size:.875rem;font-weight:600;color:var(--dark-gray);margin-bottom:.75rem}
.job-card p{margin-bottom:.85rem}

/* FAQ accordion */
.faq-list{display:flex;flex-direction:column;gap:1rem;margin-top:1.5rem}
.faq-item{background:var(--light-bg);border-radius:var(--r-lg);border-left:4px solid var(--accent);overflow:hidden}
.faq-header{
  padding:1.1rem 1.5rem;cursor:pointer;
  display:flex;justify-content:space-between;align-items:center;
  font-weight:600;color:var(--primary);user-select:none;
  transition:background var(--t-fast);
}
.faq-header:hover{background:rgba(255,107,53,.06)}
.faq-icon{font-size:1.2rem;transition:transform var(--t-fast);color:var(--accent)}
.faq-item.active .faq-icon{transform:rotate(45deg)}
.faq-answer{
  max-height:0;overflow:hidden;
  transition:max-height .35s ease,padding .2s ease;
  padding:0 1.5rem;color:var(--dark-gray);
}
.faq-item.active .faq-answer{max-height:400px;padding:0 1.5rem 1.1rem}

/* check list (corporate training) */
.check-list{list-style:none;display:flex;flex-direction:column;gap:.25rem}
.check-list li{
  padding:.85rem 1rem;border-bottom:1px solid var(--light-gray);
  display:flex;align-items:center;gap:1rem;color:var(--dark-gray);
}
.check-list li:last-child{border-bottom:none}
.check-list li::before{content:"✓";font-size:1.3rem;color:var(--accent);flex-shrink:0}

/* contact info block */
.contact-info-block{margin-bottom:1.75rem}
.contact-info-block h4{color:var(--primary);margin-bottom:.4rem}
.contact-form{display:flex;flex-direction:column;gap:.85rem}

/* ── FORMS ─────────────────────────────────────────────────── */
.form-group{margin-bottom:1.25rem}
.form-group label{display:block;margin-bottom:.4rem;font-weight:600;color:var(--text-dark)}
.form-control{
  width:100%;padding:.8rem 1rem;
  border:2px solid var(--light-gray);border-radius:var(--r-md);
  font-size:1rem;font-family:inherit;color:var(--text-dark);
  background:var(--white);transition:border-color var(--t-fast);
}
.form-control:focus{outline:none;border-color:var(--secondary)}
/* match older inline-styled inputs */
input[type=text],input[type=email],input[type=tel],
input[type=number],select,textarea{
  width:100%;padding:.8rem 1rem;
  border:2px solid var(--light-gray);border-radius:var(--r-md);
  font-size:1rem;font-family:inherit;color:var(--text-dark);
  background:var(--white);transition:border-color var(--t-fast);
  box-sizing:border-box;
}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--secondary)}

/* ── CTA SECTION ───────────────────────────────────────────── */
.cta-section{
  background:var(--grad-primary);color:var(--white);
  text-align:center;padding:4rem 1.5rem;
  border-radius:var(--r-lg);margin:0 1.5rem 4rem;
}
.cta-section h2{color:var(--white);margin-bottom:1rem}
.cta-section p{color:rgba(255,255,255,.93);margin-bottom:2rem;font-size:1.05rem}
.view-all-courses{text-align:center;margin-top:2.5rem}

/* ── FOOTER ────────────────────────────────────────────────── */
footer{background:var(--primary);color:var(--white);padding:4rem 1.5rem 1.5rem;margin-top:4rem}
.footer-container{max-width:1200px;margin:0 auto}
.footer-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:2rem;margin-bottom:2rem}
.footer-section h4{color:var(--white);margin-bottom:1rem;font-size:1rem}
.footer-section p,.footer-section a{color:rgba(255,255,255,.78);font-size:.875rem}
.footer-section a:hover{color:var(--accent)}
.footer-section ul{list-style:none}
.footer-section ul li{margin-bottom:.45rem}
.social-links{display:flex;gap:.85rem;margin-top:1rem;flex-wrap:wrap}
.social-links a{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;background:rgba(255,255,255,.18);
  border-radius:50%;color:var(--white);transition:all var(--t-fast);font-style:normal;
}
.social-links a:hover{background:var(--accent);transform:translateY(-3px);color:var(--white)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.18);padding-top:1.5rem;text-align:center;color:rgba(255,255,255,.65);font-size:.875rem}
.footer-bottom a{color:rgba(255,255,255,.65)}
.footer-bottom a:hover{color:var(--accent)}

/* ── FLOATING ACTION BUTTONS ───────────────────────────────── */
/* ── FLOATING ACTION BUTTONS ─────────────────── */
/* Call – bottom LEFT */
.fab-call-wrap{
  position:fixed;bottom:2rem;left:2rem;z-index:999;
}
/* WhatsApp + scroll-to-top – bottom RIGHT */
.fab-right-wrap{
  position:fixed;bottom:2rem;right:2rem;z-index:999;
  display:flex;flex-direction:column;gap:.85rem;align-items:center;
}

.fab{
  width:60px;height:60px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  text-decoration:none;border:none;cursor:pointer;
  transition:all var(--t-fast);box-shadow:var(--shadow-lg);
  position:relative;overflow:hidden;
}

/* Call button */
.fab-call{
  background:linear-gradient(135deg,#1a3a52 0%,#00d4ff 100%);
  color:var(--white);font-size:1.55rem;
}
.fab-call:hover{transform:scale(1.12);box-shadow:var(--shadow-xl);color:var(--white)}

/* Tooltip on call (appears to the right) */
.fab-call::after{
  content:'Call Us';
  position:absolute;left:calc(100% + .65rem);top:50%;
  transform:translateY(-50%);
  background:rgba(0,0,0,.72);color:#fff;
  font-size:.72rem;white-space:nowrap;padding:.3rem .6rem;
  border-radius:var(--r-sm);opacity:0;pointer-events:none;
  transition:opacity var(--t-fast);font-family:'Inter',sans-serif;
}
.fab-call:hover::after{opacity:1}

/* WhatsApp button – official green with real logo */
.fab-whatsapp{
  background:#25d366;
  padding:0;
}
.fab-whatsapp svg{width:34px;height:34px;display:block;flex-shrink:0}
.fab-whatsapp:hover{transform:scale(1.12);box-shadow:0 6px 24px rgba(37,211,102,.5);background:#20ba5a}

/* Tooltip on whatsapp (appears to the left) */
.fab-whatsapp::before{
  content:'WhatsApp';
  position:absolute;right:calc(100% + .65rem);top:50%;
  transform:translateY(-50%);
  background:rgba(0,0,0,.72);color:#fff;
  font-size:.72rem;white-space:nowrap;padding:.3rem .6rem;
  border-radius:var(--r-sm);opacity:0;pointer-events:none;
  transition:opacity var(--t-fast);font-family:'Inter',sans-serif;
}
.fab-whatsapp:hover::before{opacity:1}

/* Scroll-to-top */
.fab-scroll-top{
  background:var(--accent);color:var(--white);
  font-size:1.2rem;font-weight:700;
  opacity:0;visibility:hidden;pointer-events:none;
  transition:opacity var(--t-fast),visibility var(--t-fast);
}
.fab-scroll-top.show{opacity:1;visibility:visible;pointer-events:auto}
.fab-scroll-top:hover{transform:scale(1.12);box-shadow:var(--shadow-xl)}

/* ── MARGINS / PADDING HELPERS ─────────────────────────────── */
.mt-1{margin-top:.5rem}.mt-2{margin-top:1rem}.mt-3{margin-top:1.5rem}.mt-4{margin-top:2rem}
.mb-1{margin-bottom:.5rem}.mb-2{margin-bottom:1rem}.mb-3{margin-bottom:1.5rem}.mb-4{margin-bottom:2rem}
.pt-1{padding-top:.5rem}.pt-2{padding-top:1rem}.pt-3{padding-top:1.5rem}.pt-4{padding-top:2rem}
.pb-1{padding-bottom:.5rem}.pb-2{padding-bottom:1rem}.pb-3{padding-bottom:1.5rem}.pb-4{padding-bottom:2rem}

/* =============================================================
   RESPONSIVE
   ============================================================= */

/* tablet */
@media(max-width:1024px){
  .main-nav{gap:.1rem}
  .main-nav>a,.nav-dropdown>a{font-size:.82rem;padding:.38rem .5rem}
  .header-cta{gap:.5rem}
  .btn{padding:.55rem .9rem;font-size:.8rem}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .course-overview-grid{grid-template-columns:3fr 2fr;gap:2rem}
}

/* mobile ≤768 */
@media(max-width:768px){

  /* header */
  .header-container{padding:.65rem 1rem}
  .logo img{height:48px}
  .header-cta{display:none}

  /* mobile nav */
  .main-nav{
    display:none;position:absolute;top:100%;left:0;right:0;width:100%;
    background:var(--white);flex-direction:column;gap:0;
    box-shadow:0 8px 28px rgba(0,0,0,.13);z-index:1001;
    border-top:2px solid var(--light-gray);
    max-height:calc(100vh - 70px);overflow-y:auto;
    -webkit-overflow-scrolling:touch;
  }
  .main-nav.active{display:flex}

  .main-nav>a,.nav-dropdown>a{
    width:100%;padding:.85rem 1.25rem;border-radius:0;font-size:.95rem;
    border-bottom:1px solid var(--light-gray);
    display:flex;justify-content:space-between;align-items:center;
  }
  .nav-dropdown{width:100%}

  /* mobile dropdown: disable CSS hover, JS controls */
  .nav-dropdown:hover .dropdown-menu{opacity:0;visibility:hidden;max-height:0;transform:none}
  .dropdown-menu{
    position:static;opacity:0;visibility:hidden;max-height:0;overflow:hidden;
    transition:max-height .35s ease,opacity .2s ease;
    box-shadow:none;background:var(--light-bg);border-radius:0;
    transform:none !important;min-width:unset;width:100%;margin:0;
  }
  .nav-dropdown.active .dropdown-menu{opacity:1;visibility:visible;max-height:600px}
  .nav-dropdown.active .dropdown-arrow{transform:rotate(180deg)}
  .dropdown-menu li a{padding:.7rem 1rem .7rem 2rem;border-bottom:1px solid var(--light-gray);font-size:.9rem}

  .mobile-menu-toggle{display:block}

  /* hero slider */
  .hero-slider{height:55vw !important;min-height:260px !important;max-height:480px !important}
  .slider-arrow{width:36px;height:36px;font-size:.9rem}
  .slider-arrow.prev{left:.5rem}
  .slider-arrow.next{right:.5rem}

  /* page hero */
  .page-hero{padding:2.5rem 1.25rem;min-height:180px}

  /* sections */
  section{padding:3rem 1rem}
  /* blast away any remaining inline section padding */
  section[style*="padding"]{
    padding-top:2.5rem !important;padding-bottom:2.5rem !important;
    padding-left:1rem !important;padding-right:1rem !important;
  }

  /* grids */
  .features-grid,.courses-grid,.testimonials-grid{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:1rem}
  .footer-grid{grid-template-columns:1fr 1fr;gap:1.25rem}
  .course-overview-grid{grid-template-columns:1fr;gap:1.5rem}
  .contact-layout{grid-template-columns:1fr;gap:2rem}
  .partners-grid{grid-template-columns:repeat(3,1fr);gap:.85rem}
  .curriculum-grid{grid-template-columns:1fr 1fr;gap:.85rem}

  /* attribute-selector safety net for any missed inline grids */
  [style*="grid-template-columns: 2fr 1fr"],
  [style*="grid-template-columns: 1fr 1fr"],
  [style*="grid-template-columns: 1fr 2fr"]{
    grid-template-columns:1fr !important;gap:1.5rem !important;
  }
  [style*="minmax(300px"],[style*="minmax(250px"],[style*="minmax(200px"]{
    grid-template-columns:1fr !important;
  }

  .cta-section{margin:0 0 3rem;border-radius:var(--r-md);padding:2.5rem 1.25rem}

  /* FABs */
  .fab-call-wrap{bottom:1rem;left:1rem}
  .fab-right-wrap{bottom:1rem;right:1rem;gap:.65rem}
  .fab{width:52px;height:52px}
  .fab-call{font-size:1.3rem}
  .fab-call::after,.fab-whatsapp::before{display:none}
}

/* small mobile ≤480 */
@media(max-width:480px){
  .header-container{padding:.5rem .75rem}
  .logo img{height:40px}

  .hero-slider{height:62vw !important;min-height:230px !important;max-height:340px !important}
  .hero-buttons{flex-direction:column;align-items:center;gap:.6rem}
  .hero-buttons .btn{width:100%;max-width:230px;padding:.75rem 1rem}
  .slider-arrow{width:30px;height:30px;font-size:.8rem}
  .slider-controls{bottom:.85rem}

  section{padding:2.5rem .85rem}
  section[style*="padding"]{
    padding-top:2rem !important;padding-bottom:2rem !important;
    padding-left:.85rem !important;padding-right:.85rem !important;
  }
  .section-title{margin-bottom:1.75rem}

  .stats-grid{grid-template-columns:repeat(2,1fr);gap:.75rem}
  .stat-card{padding:1.25rem .75rem}
  .footer-grid{grid-template-columns:1fr}
  .partners-grid{grid-template-columns:repeat(2,1fr)}
  .curriculum-grid{grid-template-columns:1fr}

  [style*="grid-template-columns: 2fr 1fr"],
  [style*="grid-template-columns: 1fr 1fr"],
  [style*="grid-template-columns: 1fr 2fr"],
  [style*="minmax(300px"],[style*="minmax(250px"],[style*="minmax(200px"],[style*="minmax(150px"]{
    grid-template-columns:1fr !important;gap:1rem !important;
  }

  .contact-layout,.course-overview-grid{grid-template-columns:1fr !important}
  .cta-section{margin:0 0 2.5rem;border-radius:0;padding:2rem .85rem}

  .fab-call-wrap{bottom:.85rem;left:.85rem}
  .fab-right-wrap{bottom:.85rem;right:.85rem;gap:.55rem}
  .fab{width:46px;height:46px}
  .fab-whatsapp svg{width:28px;height:28px}
}