/* =====================================================================
   SV INFOTECH SERVICES — STYLESHEET
   Vanilla CSS3. Flexbox + Grid. Mobile-first breakpoints handled via
   max-width media queries layered on a desktop-first base (per brief:
   1440 / 1024 / 768 / 480).
===================================================================== */

/* ---------------------------------------------------------------------
   1. DESIGN TOKENS
--------------------------------------------------------------------- */
:root{
  /* Brand palette — derived from logo, used consistently */
  --blue:        #1F8CC9;
  --blue-dark:   #0C4968;
  --white:       #FFFFFF;
  --bg-light:    #F8FAFC;
  --blue-light:  #EAF6FD;

  /* Derived tints/shades (kept within the same hue family) */
  --blue-rgb:      31, 140, 201;
  --blue-dark-rgb: 12, 73, 104;
  --text-dark:     #10222E;
  --text-body:     #4A6472;
  --text-muted:    #7C96A3;
  --border-soft:   #E3EEF4;

  /* Typography */
  --font-main: 'Poppins', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Elevation */
  --shadow-sm: 0 4px 14px rgba(12, 73, 104, 0.07);
  --shadow-md: 0 12px 32px rgba(12, 73, 104, 0.10);
  --shadow-lg: 0 24px 60px rgba(12, 73, 104, 0.16);
  --shadow-blue: 0 14px 30px rgba(31, 140, 201, 0.28);

  /* Radius */
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-full: 100px;

  /* Motion */
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --speed: 0.3s;

  /* Layout */
  --container-w: 1220px;
  --header-h: 78px;
}

/* ---------------------------------------------------------------------
   2. RESET
--------------------------------------------------------------------- */
*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; scroll-padding-top: var(--header-h); }
body, h1, h2, h3, p, ul, figure{ margin: 0; }
ul{ padding: 0; list-style: none; }
a{ text-decoration: none; color: inherit; }
img{ max-width: 100%; display: block; }
button{ font-family: inherit; cursor: pointer; border: none; background: none; }
input, textarea, select{ font-family: inherit; font-size: 1rem; }

body{
  font-family: var(--font-main);
  color: var(--text-body);
  background: var(--white);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

@media (prefers-reduced-motion: reduce){
  *{ animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; }
}

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

.skip-link{
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--blue-dark);
  color: var(--white);
  padding: 10px 16px;
  z-index: 999;
  border-radius: 0 0 8px 0;
}
.skip-link:focus{ left: 0; }

.container{
  width: 100%;
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 24px;
}

h1, h2, h3{
  color: var(--text-dark);
  font-weight: 700;
  line-height: 1.25;
}

.text-blue{ color: var(--blue); }

.eyebrow{
  display: inline-block;
  color: var(--blue);
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 12px;
  position: relative;
  padding-left: 22px;
}
.eyebrow::before{
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 14px;
  height: 2px;
  background: var(--blue);
}

.section-heading{
  font-size: clamp(1.9rem, 3vw, 2.5rem);
  margin-bottom: 16px;
}

.section-text{
  font-size: 1.05rem;
  color: var(--text-body);
  max-width: 560px;
}

.section-intro{
  text-align: center;
  max-width: 640px;
  margin: 0 auto 56px;
}
.section-intro .section-text{ margin: 0 auto; }

/* ---------------------------------------------------------------------
   3. BUTTONS
--------------------------------------------------------------------- */
.btn{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 600;
  font-size: 0.98rem;
  padding: 15px 30px;
  border-radius: var(--radius-full);
  transition: transform var(--speed) var(--ease), box-shadow var(--speed) var(--ease), background var(--speed) var(--ease), color var(--speed) var(--ease);
  white-space: nowrap;
}
.btn:active{ transform: scale(0.96); }

.btn-primary{
  background: linear-gradient(135deg, var(--blue), var(--blue-dark));
  color: var(--white);
  box-shadow: var(--shadow-blue);
}
.btn-primary:hover{ transform: translateY(-3px) scale(1.02); box-shadow: 0 18px 36px rgba(31,140,201,0.36); }

.btn-outline{
  background: transparent;
  color: var(--blue-dark);
  border: 1.6px solid var(--border-soft);
}
.btn-outline:hover{ border-color: var(--blue); background: var(--blue-light); transform: translateY(-3px); }

.btn-white{
  background: var(--white);
  color: var(--blue-dark);
  box-shadow: var(--shadow-md);
}
.btn-white:hover{ transform: translateY(-3px) scale(1.02); }

.btn-outline-white{
  background: transparent;
  color: var(--white);
  border: 1.6px solid rgba(255,255,255,0.55);
}
.btn-outline-white:hover{ background: rgba(255,255,255,0.12); transform: translateY(-3px); }

.btn-sm{ padding: 11px 22px; font-size: 0.9rem; }
.btn-full{ width: 100%; }

/* ---------------------------------------------------------------------
   4. HEADER / NAVIGATION
--------------------------------------------------------------------- */
.site-header{
  position: sticky;
  top: 0;
  z-index: 500;
  height: var(--header-h);
  display: flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-soft);
  transition: box-shadow var(--speed) var(--ease);
}

.nav-inner{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.logo{
  display: flex;
  align-items: center;
  gap: 10px;
}
.logo-mark{
  flex-shrink: 0;
  object-fit: contain;
}
.logo-text{
  font-size: 1.12rem;
  font-weight: 700;
  color: var(--text-dark);
  white-space: nowrap;
}
.logo-text-accent{ color: var(--blue); }

.nav-menu ul{
  display: flex;
  align-items: center;
  gap: 34px;
}
.nav-link{
  position: relative;
  font-size: 0.96rem;
  font-weight: 500;
  color: var(--text-body);
  padding: 6px 0;
  transition: color var(--speed) var(--ease);
}
.nav-link::after{
  content: "";
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 0;
  height: 2px;
  background: var(--blue);
  transition: width var(--speed) var(--ease);
}
.nav-link:hover, .nav-link.active{ color: var(--blue-dark); }
.nav-link:hover::after, .nav-link.active::after{ width: 100%; }

.nav-right{ display: flex; align-items: center; gap: 18px; }

/* Hidden checkbox drives the mobile menu — pure CSS, no JS */
.nav-toggle-input{
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.hamburger{
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 30px;
  height: 24px;
  cursor: pointer;
}
.hamburger span{
  display: block;
  height: 2.4px;
  width: 100%;
  background: var(--blue-dark);
  border-radius: 2px;
  transition: transform var(--speed) var(--ease), opacity var(--speed) var(--ease);
}
.nav-toggle-input:checked ~ .nav-right .hamburger span:nth-child(1){ transform: translateY(7.4px) rotate(45deg); }
.nav-toggle-input:checked ~ .nav-right .hamburger span:nth-child(2){ opacity: 0; }
.nav-toggle-input:checked ~ .nav-right .hamburger span:nth-child(3){ transform: translateY(-7.4px) rotate(-45deg); }

/* ---------------------------------------------------------------------
   5. HERO SECTION
--------------------------------------------------------------------- */
.hero{
  position: relative;
  padding: 90px 0 100px;
  background: var(--bg-light);
  overflow: hidden;
}

.hero-bg-glow{
  position: absolute;
  inset: 0;
  background:
    radial-gradient(600px 420px at 82% 12%, rgba(31,140,201,0.14), transparent 70%),
    radial-gradient(500px 400px at 8% 92%, rgba(12,73,104,0.08), transparent 70%);
  pointer-events: none;
}

.hero-inner{
  position: relative;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  align-items: center;
  gap: 40px;
}

.badge{
  display: inline-block;
  background: var(--blue-light);
  color: var(--blue-dark);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 9px 18px;
  border-radius: var(--radius-full);
  margin-bottom: 22px;
}

.hero-heading{
  font-size: clamp(2.2rem, 4vw, 3.35rem);
  margin-bottom: 20px;
  letter-spacing: -0.01em;
}

.hero-text{
  font-size: 1.1rem;
  max-width: 520px;
  margin-bottom: 34px;
}

.hero-actions{
  display: flex;
  gap: 16px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.hero-mini-stats{
  display: flex;
  align-items: center;
  gap: 20px;
}
.hero-mini-stats strong{
  display: block;
  font-size: 1.4rem;
  color: var(--blue-dark);
  font-weight: 700;
}
.hero-mini-stats span{
  font-size: 0.85rem;
  color: var(--text-muted);
}
.hero-mini-stats .divider{
  width: 1px;
  height: 34px;
  background: var(--border-soft);
}

/* --- Hero visual composition --- */
.hero-visual{ position: relative; }
.visual-stage{
  position: relative;
  height: 460px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.grad-circle{
  position: absolute;
  border-radius: 50%;
  filter: blur(2px);
  z-index: 0;
}
.circle-1{
  width: 220px; height: 220px;
  background: radial-gradient(circle, rgba(31,140,201,0.35), transparent 70%);
  top: -20px; right: 10px;
}
.circle-2{
  width: 180px; height: 180px;
  background: radial-gradient(circle, rgba(12,73,104,0.22), transparent 70%);
  bottom: -10px; left: 0;
}

.glass-panel{
  position: relative;
  z-index: 2;
  background: rgba(255,255,255,0.7);
  border: 1px solid rgba(255,255,255,0.6);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.main-panel{
  width: 320px;
  padding: 18px;
}

.browser-bar{
  display: flex;
  gap: 6px;
  margin-bottom: 14px;
}
.browser-bar span{
  width: 9px; height: 9px;
  border-radius: 50%;
  background: var(--border-soft);
}
.browser-bar span:first-child{ background: var(--blue); }

.mock-line{
  height: 10px;
  border-radius: 6px;
  background: var(--blue-light);
  margin-bottom: 10px;
}
.mock-line.w-70{ width: 70%; }
.mock-line.w-40{ width: 40%; background: var(--border-soft); }

.mock-chart{ margin: 16px 0 14px; }

.mock-cards-row{ display: flex; gap: 8px; }
.mock-mini-card{
  flex: 1;
  height: 46px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--blue-light), var(--white));
  border: 1px solid var(--border-soft);
}

.float-card{
  position: absolute;
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(255,255,255,0.85);
  border: 1px solid rgba(255,255,255,0.7);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  padding: 12px 16px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-dark);
  animation: floaty 6s ease-in-out infinite;
}
.float-icon{ display: flex; }

.card-1{ top: 6%;  left: -6%;  animation-delay: 0s; }
.card-2{ top: 32%; right: -12%; animation-delay: 0.6s; }
.card-3{ bottom: 30%; left: -14%; animation-delay: 1.2s; }
.card-4{ bottom: 6%; right: -4%; animation-delay: 1.8s; }
.card-5{ top: -6%; right: 18%; animation-delay: 2.4s; }

@keyframes floaty{
  0%, 100%{ transform: translateY(0); }
  50%{ transform: translateY(-10px); }
}

/* ---------------------------------------------------------------------
   6. CLIENT TRUST SECTION
--------------------------------------------------------------------- */
.trust-section{ padding: 60px 0; }
.trust-grid{
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.trust-card{
  background: var(--blue-light);
  border-radius: var(--radius-md);
  padding: 30px 22px;
  text-align: center;
  transition: transform var(--speed) var(--ease), box-shadow var(--speed) var(--ease);
}
.trust-card:hover{ transform: translateY(-6px); box-shadow: var(--shadow-md); }
.trust-icon{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 54px; height: 54px;
  border-radius: 50%;
  background: var(--white);
  margin-bottom: 14px;
  box-shadow: var(--shadow-sm);
}
.trust-card strong{
  display: block;
  font-size: 1.9rem;
  font-weight: 700;
  color: var(--blue-dark);
}
.trust-card span{ font-size: 0.92rem; color: var(--text-body); }

/* ---------------------------------------------------------------------
   7. ABOUT SECTION
--------------------------------------------------------------------- */
.about-section{ padding: 100px 0; }
.about-grid{
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 60px;
  align-items: center;
}

.about-image-frame{
  position: relative;
  border-radius: var(--radius-lg);
  overflow: visible;
}
.about-image-placeholder{
  height: 420px;
  border-radius: var(--radius-lg);
  background: linear-gradient(150deg, var(--blue-light), var(--white) 60%);
  border: 1px solid var(--border-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
}
.about-badge-float{
  position: absolute;
  bottom: -24px;
  right: -20px;
  background: linear-gradient(135deg, var(--blue), var(--blue-dark));
  color: var(--white);
  padding: 20px 22px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-blue);
  text-align: center;
  line-height: 1.2;
}
.about-badge-float strong{ display: block; font-size: 1.6rem; }
.about-badge-float span{ font-size: 0.78rem; opacity: 0.9; }

.feature-grid{
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
  margin-top: 34px;
}
.feature-item{
  display: flex;
  gap: 14px;
  align-items: flex-start;
}
.feature-icon{
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px; height: 44px;
  border-radius: 12px;
  background: var(--blue-light);
}
.feature-item h3{ font-size: 1.02rem; margin-bottom: 4px; }
.feature-item p{ font-size: 0.88rem; color: var(--text-muted); }

/* ---------------------------------------------------------------------
   8. SERVICES SECTION
--------------------------------------------------------------------- */
.services-section{ padding: 100px 0; background: var(--bg-light); }

.services-grid{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}

.service-card{
  background: var(--white);
  border: 1.5px solid var(--border-soft);
  border-radius: var(--radius-lg);
  padding: 34px 28px;
  transition: transform var(--speed) var(--ease), box-shadow var(--speed) var(--ease), border-color var(--speed) var(--ease);
}
.service-card:hover{
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: var(--blue);
}
.service-icon{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px; height: 56px;
  border-radius: 14px;
  background: var(--blue-light);
  margin-bottom: 20px;
  transition: transform var(--speed) var(--ease);
}
.service-card:hover .service-icon{ transform: rotate(-6deg) scale(1.06); }
.service-card h3{ font-size: 1.14rem; margin-bottom: 12px; }
.service-card ul li{
  font-size: 0.92rem;
  color: var(--text-muted);
  padding-left: 18px;
  position: relative;
  margin-bottom: 6px;
}
.service-card ul li::before{
  content: "";
  position: absolute;
  left: 0; top: 9px;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--blue);
}

/* ---------------------------------------------------------------------
   9. WHY CHOOSE US
--------------------------------------------------------------------- */
.why-us-section{ padding: 100px 0; }
.why-us-grid{
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 60px;
  align-items: center;
}
.why-us-content .btn{ margin-top: 12px; }

.why-us-list{
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.why-item{
  display: flex;
  gap: 14px;
  align-items: flex-start;
  background: var(--bg-light);
  border-radius: var(--radius-md);
  padding: 20px;
  transition: transform var(--speed) var(--ease), background var(--speed) var(--ease);
}
.why-item:hover{ transform: translateY(-4px); background: var(--blue-light); }
.why-icon{
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 30px; height: 30px;
  border-radius: 50%;
  background: var(--blue);
  color: var(--white);
  font-size: 0.85rem;
  font-weight: 700;
}
.why-item h3{ font-size: 1rem; margin-bottom: 3px; }
.why-item p{ font-size: 0.85rem; color: var(--text-muted); }

/* ---------------------------------------------------------------------
   10. WORK PROCESS / TIMELINE
--------------------------------------------------------------------- */
.process-section{ padding: 100px 0; background: var(--bg-light); }

.timeline{
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 20px;
  position: relative;
}
.timeline::before{
  content: "";
  position: absolute;
  top: 26px;
  left: 5%;
  right: 5%;
  height: 2px;
  background: repeating-linear-gradient(90deg, var(--border-soft) 0 10px, transparent 10px 16px);
  z-index: 0;
}
.timeline-step{
  position: relative;
  z-index: 1;
  text-align: center;
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 30px 16px 20px;
  box-shadow: var(--shadow-sm);
  transition: transform var(--speed) var(--ease), box-shadow var(--speed) var(--ease);
}
.timeline-step:hover{ transform: translateY(-6px); box-shadow: var(--shadow-md); }
.step-num{
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px; height: 40px;
  margin: 0 auto 14px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--blue), var(--blue-dark));
  color: var(--white);
  font-weight: 700;
  box-shadow: var(--shadow-blue);
}
.timeline-step h3{ font-size: 1rem; margin-bottom: 6px; }
.timeline-step p{ font-size: 0.82rem; color: var(--text-muted); }

/* ---------------------------------------------------------------------
   11. PORTFOLIO
--------------------------------------------------------------------- */
.portfolio-section{ padding: 100px 0; }
.portfolio-grid{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}
.portfolio-card{
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--speed) var(--ease), transform var(--speed) var(--ease);
}
.portfolio-card:hover{ box-shadow: var(--shadow-lg); transform: translateY(-4px); }

.portfolio-thumb{
  height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
}
.portfolio-thumb::after{
  content: "";
  position: absolute; inset: 0;
  background: rgba(12,73,104,0.15);
  transition: background var(--speed) var(--ease);
}
.portfolio-card:hover .portfolio-thumb::after{ background: rgba(12,73,104,0.05); }
.portfolio-thumb svg{
  position: relative; z-index: 1;
  transition: transform var(--speed) var(--ease);
}
.portfolio-card:hover .portfolio-thumb svg{ transform: scale(1.15); }

.thumb-1{ background: linear-gradient(135deg, #1F8CC9, #0C4968); }
.thumb-2{ background: linear-gradient(135deg, #2CA6DE, #146089); }
.thumb-3{ background: linear-gradient(135deg, #0C4968, #123247); }
.thumb-4{ background: linear-gradient(135deg, #1F8CC9, #123247); }
.thumb-5{ background: linear-gradient(135deg, #146089, #0C4968); }
.thumb-6{ background: linear-gradient(135deg, #2CA6DE, #0C4968); }

.portfolio-info{ padding: 22px; background: var(--white); }
.portfolio-info h3{ font-size: 1.05rem; margin-bottom: 6px; }
.portfolio-info p{ font-size: 0.88rem; color: var(--text-muted); }

/* ---------------------------------------------------------------------
   12. TESTIMONIALS
--------------------------------------------------------------------- */
.testimonials-section{ padding: 100px 0; background: var(--bg-light); }
.testimonials-grid{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}
.testimonial-card{
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  box-shadow: var(--shadow-sm);
  transition: transform var(--speed) var(--ease), box-shadow var(--speed) var(--ease);
}
.testimonial-card:hover{ transform: translateY(-6px); box-shadow: var(--shadow-md); }
.stars{ color: var(--blue); letter-spacing: 3px; margin-bottom: 14px; font-size: 0.95rem; }
.testimonial-text{ font-size: 0.95rem; color: var(--text-body); margin-bottom: 22px; font-style: italic; }
.testimonial-author{ display: flex; align-items: center; gap: 12px; }
.avatar{
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px; height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--blue), var(--blue-dark));
  color: var(--white);
  font-weight: 600;
  font-size: 0.85rem;
  flex-shrink: 0;
}
.testimonial-author strong{ display: block; font-size: 0.92rem; color: var(--text-dark); }
.testimonial-author span{ font-size: 0.8rem; color: var(--text-muted); }

/* ---------------------------------------------------------------------
   13. CALL TO ACTION
--------------------------------------------------------------------- */
.cta-section{
  background: linear-gradient(120deg, var(--blue-dark), var(--blue));
  padding: 90px 0;
  text-align: center;
}
.cta-inner h2{ color: var(--white); font-size: clamp(1.8rem, 3.5vw, 2.6rem); margin-bottom: 14px; }
.cta-inner p{ color: rgba(255,255,255,0.85); font-size: 1.1rem; margin-bottom: 34px; }
.cta-actions{ display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }

/* ---------------------------------------------------------------------
   14. CONTACT SECTION
--------------------------------------------------------------------- */
.contact-section{ padding: 100px 0; }
.contact-grid{
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 60px;
}

.contact-details{ margin-top: 32px; display: flex; flex-direction: column; gap: 22px; }
.contact-details li{ display: flex; gap: 16px; align-items: flex-start; }
.contact-icon{
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px; height: 44px;
  border-radius: 12px;
  background: var(--blue-light);
}
.contact-details strong{ display: block; font-size: 0.95rem; color: var(--text-dark); margin-bottom: 2px; }
.contact-details span{ font-size: 0.9rem; color: var(--text-muted); }
.contact-details a:hover{ color: var(--blue); }

.contact-form-wrap{
  background: var(--bg-light);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: var(--shadow-sm);
}
.contact-form{ display: flex; flex-direction: column; gap: 18px; }
.form-row{ display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-field{ display: flex; flex-direction: column; gap: 8px; }
.form-field span{ font-size: 0.85rem; font-weight: 600; color: var(--text-dark); }
.form-field input,
.form-field select,
.form-field textarea{
  padding: 13px 16px;
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--border-soft);
  background: var(--white);
  color: var(--text-dark);
  transition: border-color var(--speed) var(--ease), box-shadow var(--speed) var(--ease);
  resize: vertical;
}
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus{
  border-color: var(--blue);
  box-shadow: 0 0 0 4px rgba(31,140,201,0.12);
  outline: none;
}

/* ---------------------------------------------------------------------
   15. FOOTER
--------------------------------------------------------------------- */
.site-footer{ background: var(--blue-dark); color: rgba(255,255,255,0.75); padding: 80px 0 0; }
.footer-grid{
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 0.9fr 1fr;
  gap: 40px;
  padding-bottom: 50px;
  border-bottom: 1px solid rgba(255,255,255,0.12);
}
.footer-logo .logo-text{ color: var(--white); }
.footer-logo .logo-text-accent{ color: #6FC4EA; }
.footer-brand p{ margin: 18px 0 22px; font-size: 0.9rem; max-width: 300px; }

.social-icons{ display: flex; gap: 12px; }
.social-icons a{
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px; height: 38px;
  border-radius: 50%;
  background: rgba(255,255,255,0.08);
  color: var(--white);
  transition: background var(--speed) var(--ease), transform var(--speed) var(--ease);
}
.social-icons a:hover{ background: var(--blue); transform: translateY(-3px); }

.footer-links h3, .footer-contact h3{
  color: var(--white);
  font-size: 1rem;
  margin-bottom: 20px;
}
.footer-links ul, .footer-contact ul{ display: flex; flex-direction: column; gap: 12px; font-size: 0.9rem; }
.footer-links a:hover, .footer-contact a:hover{ color: var(--white); }

.footer-bottom{
  text-align: center;
  padding: 26px 0;
  font-size: 0.85rem;
}

/* ---------------------------------------------------------------------
   16. BACK TO TOP
--------------------------------------------------------------------- */
.back-to-top{
  position: fixed;
  bottom: 26px;
  right: 26px;
  width: 48px; height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--blue), var(--blue-dark));
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-blue);
  z-index: 400;
  transition: transform var(--speed) var(--ease), box-shadow var(--speed) var(--ease);
}
.back-to-top:hover{ transform: translateY(-4px) scale(1.05); }

/* ---------------------------------------------------------------------
   17. SCROLL ANIMATIONS
--------------------------------------------------------------------- */
@keyframes fadeUp{
  from{ opacity: 0; transform: translateY(28px); }
  to{ opacity: 1; transform: translateY(0); }
}
.fade-up{
  animation: fadeUp 0.8s var(--ease) both;
}
.delay-1{ animation-delay: 0.12s; }
.delay-2{ animation-delay: 0.24s; }
.delay-3{ animation-delay: 0.36s; }

/* =====================================================================
   RESPONSIVE — LAPTOP (≤1024px)
===================================================================== */
@media (max-width: 1024px){
  .hero-inner{ grid-template-columns: 1fr; }
  .hero-visual{ order: -1; margin-bottom: 20px; }
  .visual-stage{ height: 380px; }
  .about-grid,
  .why-us-grid,
  .contact-grid{ grid-template-columns: 1fr; gap: 48px; }
  .about-visual{ order: -1; max-width: 460px; margin: 0 auto; }
  .services-grid{ grid-template-columns: repeat(2, 1fr); }
  .testimonials-grid,
  .portfolio-grid{ grid-template-columns: repeat(2, 1fr); }
  .timeline{ grid-template-columns: repeat(3, 1fr); row-gap: 40px; }
  .timeline::before{ display: none; }
  .footer-grid{ grid-template-columns: 1fr 1fr; }
}

/* =====================================================================
   RESPONSIVE — TABLET (≤768px)
===================================================================== */
@media (max-width: 768px){
  :root{ --header-h: 70px; }

  .nav-menu{
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: var(--white);
    border-bottom: 1px solid var(--border-soft);
    box-shadow: var(--shadow-md);
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--speed) var(--ease);
  }
  .nav-toggle-input:checked ~ .nav-menu{ max-height: 420px; }
  .nav-menu ul{
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    padding: 16px 24px 24px;
  }
  .nav-menu ul li{ width: 100%; }
  .nav-link{ display: block; padding: 12px 0; }
  .nav-right .btn-sm{ display: none; }
  .hamburger{ display: flex; }

  .hero{ padding: 60px 0 70px; }
  .hero-actions{ gap: 12px; }
  .hero-mini-stats{ flex-wrap: wrap; gap: 14px; }

  .visual-stage{ height: 340px; }
  .main-panel{ width: 260px; }
  .float-card{ font-size: 0.72rem; padding: 9px 12px; }

  .trust-grid{ grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .feature-grid{ grid-template-columns: 1fr; }
  .services-grid{ grid-template-columns: 1fr; }
  .why-us-list{ grid-template-columns: 1fr; }
  .timeline{ grid-template-columns: repeat(2, 1fr); }
  .portfolio-grid,
  .testimonials-grid{ grid-template-columns: 1fr; }
  .form-row{ grid-template-columns: 1fr; }
  .footer-grid{ grid-template-columns: 1fr; gap: 36px; }
  .cta-actions{ flex-direction: column; align-items: center; }
  .cta-actions .btn{ width: 100%; max-width: 280px; }
}

/* =====================================================================
   RESPONSIVE — MOBILE (≤480px)
===================================================================== */
@media (max-width: 480px){
  .container{ padding: 0 18px; }
  .hero-heading{ font-size: 2rem; }
  .hero-text{ font-size: 1rem; }
  .hero-actions{ flex-direction: column; align-items: stretch; }
  .hero-actions .btn{ width: 100%; }
  .visual-stage{ height: 300px; }
  .main-panel{ width: 220px; padding: 14px; }
  .float-card{ display: none; }
  .card-2, .card-4{ display: flex; }
  .timeline{ grid-template-columns: 1fr; }
  .about-badge-float{ right: 10px; bottom: -18px; padding: 14px 16px; }
  .contact-form-wrap{ padding: 24px; }
  .section-heading{ font-size: 1.7rem; }
}