/* Voyi Digital Systems – Clean SaaS Template Style (Red Theme) */

:root {
  --red: #c41e3a;
  --red-dark: #9e1830;
  --red-bright: #e63946;
  --dark: #0f0a0b;
  --dark-2: #1a1214;
  --white: #ffffff;
  --gray-50: #faf9f9;
  --gray-100: #f4f2f2;
  --gray-200: #e9e5e5;
  --gray-500: #6b5e60;
  --gray-700: #3d3436;
  --radius: 12px;
  --radius-lg: 16px;
  --shadow: 0 4px 20px rgba(15,10,11,0.06);
  --shadow-lg: 0 12px 40px rgba(15,10,11,0.1);
  --t: 0.25s ease;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', system-ui, sans-serif;
  color: var(--dark);
  background: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button, input, select, textarea { font-family: inherit; }

.container {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

/* HEADER */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(15,10,11,0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}
.logo-img {
  height: 40px;
  width: auto;
  object-fit: contain;
}
.nav {
  display: flex;
  align-items: center;
  gap: 28px;
}
.nav a {
  color: rgba(255,255,255,0.8);
  font-size: 0.92rem;
  font-weight: 500;
  transition: color var(--t);
}
.nav a:hover { color: #fff; }
.nav-cta {
  background: var(--red) !important;
  color: #fff !important;
  padding: 8px 16px;
  border-radius: 8px;
  font-weight: 600;
}
.nav-cta:hover { background: var(--red-dark) !important; }
.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
}
.burger span {
  width: 22px; height: 2px;
  background: #fff;
  border-radius: 1px;
}

/* HERO */
.hero {
  background: var(--dark);
  color: #fff;
  padding: 140px 0 100px;
  min-height: 85vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 50% at 75% 25%, rgba(196,30,58,0.22) 0%, transparent 55%),
    radial-gradient(ellipse 40% 30% at 15% 75%, rgba(230,57,70,0.1) 0%, transparent 50%);
  pointer-events: none;
}
.hero-inner {
  position: relative;
  max-width: 720px;
}
.hero h1 {
  font-size: clamp(2.2rem, 4.8vw, 3.3rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.025em;
  margin-bottom: 20px;
}
.hero-sub {
  font-size: 1.12rem;
  color: rgba(255,255,255,0.72);
  max-width: 560px;
  margin-bottom: 32px;
  line-height: 1.7;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* BUTTONS */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  border-radius: 9px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: all var(--t);
  border: none;
  cursor: pointer;
}
.btn-primary {
  background: var(--red);
  color: #fff;
  box-shadow: 0 4px 16px rgba(196,30,58,0.35);
}
.btn-primary:hover {
  background: var(--red-dark);
  transform: translateY(-2px);
}
.btn-ghost {
  background: transparent;
  color: #fff;
  border: 1.5px solid rgba(255,255,255,0.28);
}
.btn-ghost:hover {
  border-color: #fff;
  background: rgba(255,255,255,0.06);
}
.btn-white {
  background: #fff;
  color: var(--red-dark);
  font-weight: 700;
}
.btn-white:hover { background: var(--gray-100); }
.btn-sm { padding: 9px 16px; font-size: 0.88rem; }
.btn-block { width: 100%; }

/* STATS */
.stats-section {
  margin-top: -36px;
  position: relative;
  z-index: 5;
  padding-bottom: 20px;
}
.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}
.stat {
  padding: 32px 20px;
  text-align: center;
  border-right: 1px solid var(--gray-200);
}
.stat:last-child { border-right: none; }
.stat-value {
  display: block;
  font-size: 2rem;
  font-weight: 800;
  color: var(--red);
  line-height: 1;
  margin-bottom: 6px;
}
.stat-text {
  font-size: 0.88rem;
  color: var(--gray-500);
  font-weight: 500;
}

/* ABOUT */
.about {
  padding: 100px 0;
  background: var(--white);
}
.about-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 56px;
  align-items: center;
}
.section-label {
  display: block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 10px;
}
.about-left h2 {
  font-size: clamp(1.7rem, 3.2vw, 2.3rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
  line-height: 1.25;
}
.about-left p {
  color: var(--gray-500);
  margin-bottom: 12px;
  font-size: 1.02rem;
}
.about-left strong { color: var(--dark); }
.text-link {
  display: inline-block;
  margin-top: 16px;
  font-weight: 600;
  color: var(--red);
  font-size: 0.95rem;
}
.text-link:hover { text-decoration: underline; }

.about-box {
  background: var(--dark);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  box-shadow: var(--shadow-lg);
}
.about-box h3 {
  font-size: 1.15rem;
  margin-bottom: 18px;
}
.about-box ul li {
  position: relative;
  padding-left: 18px;
  margin-bottom: 11px;
  font-size: 0.95rem;
  color: rgba(255,255,255,0.8);
}
.about-box ul li::before {
  content: "";
  position: absolute;
  left: 0; top: 8px;
  width: 7px; height: 7px;
  background: var(--red);
  border-radius: 50%;
}

/* SOLUTIONS */
.solutions {
  padding: 90px 0;
  background: var(--gray-50);
}
.section-header {
  text-align: center;
  max-width: 580px;
  margin: 0 auto 48px;
}
.section-header h2 {
  font-size: clamp(1.8rem, 3.2vw, 2.35rem);
  font-weight: 800;
  letter-spacing: -0.02em;
}
.section-header.light h2 { color: #fff; }
.section-header.light .section-label { color: #ff8a95; }

.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: all var(--t);
  border: 1px solid transparent;
  display: flex;
  flex-direction: column;
}
.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(196,30,58,0.1);
}
.card-img {
  height: 180px;
  overflow: hidden;
  background: var(--gray-100);
}
.card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.card:hover .card-img img {
  transform: scale(1.05);
}
.card-body {
  padding: 22px 22px 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 8px;
}
.card p {
  font-size: 0.93rem;
  color: var(--gray-500);
  margin-bottom: 14px;
  line-height: 1.55;
  flex: 1;
}
.card-link {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--red);
}
.card-link:hover { text-decoration: underline; }
.card-featured {
  background: var(--dark);
  color: #fff;
  justify-content: center;
}
.card-featured .card-body {
  padding: 36px 28px;
}
.card-featured p { color: rgba(255,255,255,0.72); }
.card-featured .btn { margin-top: 12px; align-self: flex-start; }

/* PROCESS */
.process {
  padding: 90px 0;
  background: var(--dark);
  color: #fff;
}
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.process-card {
  text-align: center;
  padding: 12px 8px;
}
.process-card .num {
  display: block;
  font-size: 2.1rem;
  font-weight: 800;
  color: var(--red);
  margin-bottom: 10px;
  line-height: 1;
}
.process-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
}
.process-card p {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.62);
}

/* CTA */
.cta-band {
  padding: 70px 0;
  background: linear-gradient(135deg, var(--red-dark), var(--red) 55%, var(--red-bright));
  color: #fff;
  text-align: center;
}
.cta-band h2 {
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  font-weight: 800;
  margin-bottom: 10px;
}
.cta-band p {
  font-size: 1.05rem;
  opacity: 0.92;
  max-width: 480px;
  margin: 0 auto 24px;
}

/* CONTACT */
.contact {
  padding: 90px 0;
  background: var(--white);
}
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 56px;
  align-items: start;
}
.contact-left h2 {
  font-size: clamp(1.7rem, 3vw, 2.2rem);
  font-weight: 800;
  margin-bottom: 12px;
}
.contact-left > p {
  color: var(--gray-500);
  margin-bottom: 28px;
  font-size: 1.02rem;
}
.contact-details {
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.contact-details strong {
  display: block;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--red);
  margin-bottom: 2px;
}
.contact-details span {
  display: block;
  font-weight: 600;
  color: var(--dark);
}
.contact-details small {
  display: block;
  font-size: 0.85rem;
  color: var(--gray-500);
  margin-top: 1px;
}

.form {
  background: var(--gray-50);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  box-shadow: var(--shadow);
  border: 1px solid var(--gray-200);
}
.row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.field { margin-bottom: 16px; }
.field label {
  display: block;
  font-size: 0.84rem;
  font-weight: 600;
  margin-bottom: 5px;
}
.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 11px 13px;
  border: 1.5px solid var(--gray-200);
  border-radius: 8px;
  font-size: 0.94rem;
  background: #fff;
  transition: border-color var(--t), box-shadow var(--t);
}
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--red);
  box-shadow: 0 0 0 3px rgba(196,30,58,0.12);
}
.field textarea { resize: vertical; min-height: 95px; }
.form-note {
  margin-top: 10px;
  font-size: 0.78rem;
  color: var(--gray-500);
  text-align: center;
}

/* FOOTER */
.footer {
  background: var(--dark);
  color: rgba(255,255,255,0.65);
  padding-top: 56px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 36px;
  padding-bottom: 44px;
}
.footer-logo {
  height: 36px;
  width: auto;
  margin-bottom: 14px;
  object-fit: contain;
}
.footer-brand p {
  font-size: 0.9rem;
  max-width: 250px;
  color: rgba(255,255,255,0.48);
}
.footer h4 {
  color: #fff;
  font-size: 0.92rem;
  font-weight: 700;
  margin-bottom: 14px;
}
.footer a,
.footer p {
  display: block;
  font-size: 0.88rem;
  color: rgba(255,255,255,0.5);
  margin-bottom: 9px;
  transition: color var(--t);
}
.footer a:hover { color: #ff8a95; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.07);
  padding: 18px 0;
}
.footer-bottom p {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.32);
  text-align: center;
}

/* RESPONSIVE */
@media (max-width: 960px) {
  .stats-row { grid-template-columns: repeat(2, 1fr); }
  .stat:nth-child(2) { border-right: none; }
  .about-grid { grid-template-columns: 1fr; gap: 36px; }
  .cards-grid { grid-template-columns: repeat(2, 1fr); }
  .process-grid { grid-template-columns: repeat(2, 1fr); gap: 28px; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
  .nav {
    position: fixed;
    top: 68px; left: 0; right: 0;
    background: var(--dark);
    flex-direction: column;
    padding: 22px;
    gap: 16px;
    transform: translateY(-130%);
    opacity: 0;
    pointer-events: none;
    transition: all 0.3s ease;
    border-top: 1px solid rgba(255,255,255,0.06);
  }
  .nav.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  .burger { display: flex; }
  .hero { min-height: auto; padding: 110px 0 70px; }
  .stats-row,
  .cards-grid,
  .process-grid,
  .footer-grid { grid-template-columns: 1fr; }
  .stat { border-right: none; border-bottom: 1px solid var(--gray-200); }
  .stat:last-child { border-bottom: none; }
  .row { grid-template-columns: 1fr; }
  .logo-img { height: 34px; }
}