/* =====================================================
   TELSIS — VoIP Company Website
   Color Palette:
   --purple-dark:   #1A0533
   --purple-mid:    #4B0082
   --purple-accent: #7C3AED
   --purple-light:  #A78BFA
   --white:         #FFFFFF
   --off-white:     #F5F3FF
   --black:         #0A0A0A
   --gray:          #6B7280
   --gray-light:    #E5E7EB
===================================================== */

/* ---- RESET & BASE ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --purple-dark:   #1A0533;
  --purple-mid:    #4B0082;
  --purple-accent: #7C3AED;
  --purple-light:  #A78BFA;
  --white:         #FFFFFF;
  --off-white:     #F5F3FF;
  --black:         #0A0A0A;
  --gray:          #6B7280;
  --gray-light:    #E5E7EB;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', 'Segoe UI', Arial, sans-serif;
  color: var(--black);
  background: var(--white);
  font-size: 16px;
  line-height: 1.6;
}

a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
ul { list-style: none; }

/* ---- TYPOGRAPHY ---- */
h1, h2, h3, h4 {
  font-family: 'Inter', 'Segoe UI', Arial, sans-serif;
  font-weight: 700;
  line-height: 1.2;
}
h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.4rem); }
h3 { font-size: 1.25rem; }
p  { color: var(--gray); line-height: 1.75; }

.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--purple-accent);
  margin-bottom: 0.75rem;
}

/* ---- LAYOUT ---- */
.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
}
.section { padding: 80px 0; }
.section-dark {
  background: var(--purple-dark);
  color: var(--white);
}
.section-dark p { color: var(--purple-light); }
.section-light { background: var(--off-white); }

/* ---- BUTTONS ---- */
.btn {
  display: inline-block;
  padding: 12px 28px;
  border-radius: 6px;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all 0.2s ease;
  border: 2px solid transparent;
}
.btn-primary {
  background: var(--purple-accent);
  color: var(--white);
  border-color: var(--purple-accent);
}
.btn-primary:hover {
  background: var(--purple-mid);
  border-color: var(--purple-mid);
}
.btn-outline {
  background: transparent;
  color: var(--white);
  border-color: var(--white);
}
.btn-outline:hover {
  background: var(--white);
  color: var(--purple-dark);
}
.btn-outline-purple {
  background: transparent;
  color: var(--purple-accent);
  border-color: var(--purple-accent);
}
.btn-outline-purple:hover {
  background: var(--purple-accent);
  color: var(--white);
}

/* ---- NAVBAR ---- */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 999;
  background: var(--purple-dark);
  padding: 0 24px;
  height: 68px;
  display: flex;
  align-items: center;
  box-shadow: 0 2px 20px rgba(0,0,0,0.3);
}
.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}
.navbar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
}
.navbar-brand .logo-icon {
  width: 36px; height: 36px;
  background: var(--purple-accent);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  color: white;
  font-size: 18px;
  font-weight: 900;
}
.navbar-brand .logo-text {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--white);
  letter-spacing: -0.02em;
}
.navbar-brand .logo-text span { color: var(--purple-light); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav-links a {
  color: rgba(255,255,255,0.8);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s;
}
.nav-links a:hover, .nav-links a.active { color: var(--white); }
.nav-links .nav-cta {
  background: var(--purple-accent);
  color: var(--white);
  padding: 8px 20px;
  border-radius: 6px;
  font-weight: 600;
}
.nav-links .nav-cta:hover { background: var(--purple-mid); }

/* Mobile menu toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
}
.nav-toggle span {
  display: block;
  width: 24px; height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: all 0.3s;
}

/* ---- PAGE HEADER (secondary pages) ---- */
.page-header-banner {
  background: linear-gradient(135deg, var(--purple-dark) 0%, var(--purple-mid) 100%);
  padding: 120px 0 60px;
  text-align: center;
  color: var(--white);
}
.page-header-banner h1 { color: var(--white); margin-bottom: 12px; }
.page-header-banner p { color: var(--purple-light); font-size: 1.1rem; max-width: 560px; margin: 0 auto; }

/* ---- HERO ---- */
.hero {
  background: linear-gradient(135deg, var(--purple-dark) 0%, #2D0A5E 60%, var(--purple-mid) 100%);
  padding: 160px 0 100px;
  color: var(--white);
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -100px; right: -100px;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(124,58,237,0.25) 0%, transparent 70%);
  pointer-events: none;
}
.hero::after {
  content: '';
  position: absolute;
  bottom: -80px; left: -80px;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(167,139,250,0.15) 0%, transparent 70%);
  pointer-events: none;
}
.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 1;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(124,58,237,0.3);
  border: 1px solid rgba(167,139,250,0.4);
  color: var(--purple-light);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 20px;
  margin-bottom: 24px;
  letter-spacing: 0.05em;
}
.hero h1 {
  color: var(--white);
  margin-bottom: 20px;
}
.hero h1 span { color: var(--purple-light); }
.hero p {
  color: rgba(255,255,255,0.75);
  font-size: 1.1rem;
  margin-bottom: 36px;
  max-width: 480px;
}
.hero-buttons { display: flex; gap: 14px; flex-wrap: wrap; }

/* Hero visual */
.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}
.hero-card {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 20px;
  padding: 32px;
  width: 100%;
  max-width: 360px;
  backdrop-filter: blur(10px);
}
.hero-card-title {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--purple-light);
  margin-bottom: 20px;
}
.hero-stat-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 20px;
}
.hero-stat {
  background: rgba(124,58,237,0.2);
  border: 1px solid rgba(124,58,237,0.3);
  border-radius: 10px;
  padding: 14px;
  flex: 1;
  text-align: center;
}
.hero-stat-num {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--white);
  display: block;
}
.hero-stat-label {
  font-size: 0.7rem;
  color: var(--purple-light);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.hero-services-list { display: flex; flex-direction: column; gap: 10px; }
.hero-service-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  background: rgba(255,255,255,0.05);
  border-radius: 8px;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.85);
}
.hero-service-item .dot {
  width: 8px; height: 8px;
  background: var(--purple-light);
  border-radius: 50%;
  flex-shrink: 0;
}

/* ---- TRUST BAR ---- */
.trust-bar {
  background: var(--off-white);
  padding: 28px 0;
  border-top: 1px solid var(--gray-light);
  border-bottom: 1px solid var(--gray-light);
}
.trust-bar-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
}
.trust-item {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--gray);
  font-size: 0.85rem;
  font-weight: 500;
}
.trust-item .ti { font-size: 1.2rem; color: var(--purple-accent); }

/* ---- SERVICES GRID ---- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.service-card {
  background: var(--white);
  border: 1px solid var(--gray-light);
  border-radius: 14px;
  padding: 32px 28px;
  transition: all 0.25s ease;
}
.service-card:hover {
  border-color: var(--purple-accent);
  box-shadow: 0 8px 32px rgba(124,58,237,0.12);
  transform: translateY(-4px);
}
.service-card-icon {
  width: 52px; height: 52px;
  background: var(--off-white);
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 20px;
  transition: background 0.25s;
}
.service-card:hover .service-card-icon { background: var(--purple-accent); }
.service-card h3 { margin-bottom: 10px; color: var(--black); }
.service-card p { font-size: 0.9rem; }

/* Services page full list */
.services-full {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}
.service-full-card {
  background: var(--white);
  border: 1px solid var(--gray-light);
  border-radius: 16px;
  padding: 36px 32px;
}
.service-full-card:hover {
  border-color: var(--purple-accent);
  box-shadow: 0 8px 32px rgba(124,58,237,0.1);
}
.service-full-card .icon-wrap {
  width: 60px; height: 60px;
  background: linear-gradient(135deg, var(--purple-accent), var(--purple-mid));
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 24px;
  color: white;
}
.service-full-card h3 { font-size: 1.35rem; margin-bottom: 12px; color: var(--black); }
.service-full-card p { margin-bottom: 16px; font-size: 0.92rem; }
.service-full-card ul { display: flex; flex-direction: column; gap: 8px; }
.service-full-card ul li {
  display: flex; align-items: center; gap: 8px;
  font-size: 0.88rem; color: var(--gray);
}
.service-full-card ul li::before {
  content: '';
  width: 6px; height: 6px;
  background: var(--purple-accent);
  border-radius: 50%;
  flex-shrink: 0;
}

/* ---- WHY CHOOSE US ---- */
.why-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.why-text h2 { color: var(--white); margin-bottom: 16px; }
.why-text p { margin-bottom: 28px; }
.why-list { display: flex; flex-direction: column; gap: 18px; }
.why-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}
.why-item-icon {
  width: 40px; height: 40px;
  background: rgba(124,58,237,0.3);
  border: 1px solid rgba(124,58,237,0.5);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}
.why-item-text h4 { color: var(--white); margin-bottom: 4px; font-size: 1rem; }
.why-item-text p { font-size: 0.88rem; margin: 0; }

.why-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.stat-box {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 14px;
  padding: 28px 24px;
  text-align: center;
}
.stat-box-num {
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--purple-light);
  display: block;
}
.stat-box-label { font-size: 0.85rem; color: rgba(255,255,255,0.6); }

/* ---- CTA SECTION ---- */
.cta-section {
  background: linear-gradient(135deg, var(--purple-accent) 0%, var(--purple-mid) 100%);
  padding: 80px 0;
  text-align: center;
  color: var(--white);
}
.cta-section h2 { color: var(--white); margin-bottom: 16px; }
.cta-section p { color: rgba(255,255,255,0.8); margin-bottom: 32px; font-size: 1.05rem; max-width: 520px; margin-left: auto; margin-right: auto; }
.cta-buttons { display: flex; justify-content: center; gap: 14px; flex-wrap: wrap; }

/* ---- ABOUT PAGE ---- */
.about-intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.about-visual {
  background: linear-gradient(135deg, var(--purple-dark), var(--purple-mid));
  border-radius: 20px;
  padding: 48px 36px;
  color: white;
  text-align: center;
}
.about-visual .big-num {
  font-size: 5rem;
  font-weight: 900;
  color: var(--purple-light);
  line-height: 1;
}
.about-visual .big-label { color: rgba(255,255,255,0.7); font-size: 0.9rem; margin-bottom: 32px; }
.about-divider { border: none; border-top: 1px solid rgba(255,255,255,0.1); margin: 24px 0; }
.about-contact-item { display: flex; align-items: center; gap: 10px; color: rgba(255,255,255,0.8); font-size: 0.88rem; margin-bottom: 12px; }
.about-contact-item .icon { font-size: 1rem; color: var(--purple-light); }

.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.value-card {
  background: var(--off-white);
  border-radius: 14px;
  padding: 32px 24px;
  text-align: center;
}
.value-card .icon { font-size: 2rem; margin-bottom: 16px; display: block; }
.value-card h3 { margin-bottom: 10px; font-size: 1.1rem; }

/* ---- CONTACT PAGE ---- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 60px;
}
.contact-info h2 { margin-bottom: 16px; }
.contact-info p { margin-bottom: 32px; }
.contact-detail {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 24px;
}
.contact-detail-icon {
  width: 44px; height: 44px;
  background: var(--off-white);
  border: 1px solid var(--gray-light);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
  color: var(--purple-accent);
}
.contact-detail-text strong { display: block; font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--gray); margin-bottom: 2px; }
.contact-detail-text span { font-size: 0.95rem; color: var(--black); font-weight: 500; }

.contact-form-card {
  background: var(--white);
  border: 1px solid var(--gray-light);
  border-radius: 16px;
  padding: 40px 36px;
  box-shadow: 0 4px 24px rgba(0,0,0,0.06);
}
.contact-form-card h3 { margin-bottom: 28px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: 0.85rem; font-weight: 600; color: var(--black); margin-bottom: 6px; }
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 11px 14px;
  border: 1.5px solid var(--gray-light);
  border-radius: 8px;
  font-size: 0.93rem;
  color: var(--black);
  font-family: inherit;
  transition: border-color 0.2s;
  background: var(--white);
  outline: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus { border-color: var(--purple-accent); box-shadow: 0 0 0 3px rgba(124,58,237,0.1); }
.form-group textarea { resize: vertical; min-height: 120px; }
.btn-full { width: 100%; text-align: center; padding: 13px; }

/* ---- FOOTER ---- */
.footer {
  background: var(--black);
  color: rgba(255,255,255,0.7);
  padding: 60px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 48px;
}
.footer-brand .logo-text {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--white);
  margin-bottom: 12px;
  display: block;
}
.footer-brand .logo-text span { color: var(--purple-light); }
.footer-brand p { font-size: 0.88rem; line-height: 1.7; max-width: 260px; margin-bottom: 20px; }
.footer-contact-item { display: flex; align-items: center; gap: 8px; font-size: 0.85rem; margin-bottom: 10px; }
.footer-contact-item .fi { color: var(--purple-light); font-size: 0.9rem; }
.footer-col h4 { color: var(--white); font-size: 0.85rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: 16px; }
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col ul li a { font-size: 0.88rem; color: rgba(255,255,255,0.55); transition: color 0.2s; }
.footer-col ul li a:hover { color: var(--purple-light); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 20px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-bottom p { font-size: 0.82rem; color: rgba(255,255,255,0.35); margin: 0; }

/* ---- PAGE SPACING ---- */
body { padding-top: 68px; }

/* ---- UTILS ---- */
.text-center { text-align: center; }
.mb-8 { margin-bottom: 8px; }
.mb-12 { margin-bottom: 12px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }
.mb-40 { margin-bottom: 40px; }
.mb-48 { margin-bottom: 48px; }

/* ---- RESPONSIVE ---- */
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; text-align: center; }
  .hero-visual { display: none; }
  .hero p { max-width: 100%; }
  .hero-buttons { justify-content: center; }
  .services-grid { grid-template-columns: 1fr 1fr; }
  .why-grid { grid-template-columns: 1fr; }
  .about-intro { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .services-full { grid-template-columns: 1fr; }
  .values-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
  .services-grid { grid-template-columns: 1fr; }
  .why-stats { grid-template-columns: 1fr 1fr; }
  .nav-links { display: none; flex-direction: column; position: absolute; top: 68px; left: 0; right: 0; background: var(--purple-dark); padding: 20px 24px; gap: 16px; }
  .nav-links.open { display: flex; }
  .nav-toggle { display: flex; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .values-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
}