/* ================================================
   DIGIWISTA — Main Stylesheet
   Mobile-first, 8px spacing system
   Palette: #0A0A0A | #1A5CFF | #F7F7F7 | #FFFFFF
   ================================================ */

/* ---------- Google Fonts ---------- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=Sora:wght@700;800&display=swap');

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

:root {
  /* Colors */
  --color-brand:    #0A0A0A;
  --color-accent:   #1A5CFF;
  --color-accent-h: #1248D6;
  --color-bg:       #FFFFFF;
  --color-bg-soft:  #F7F8FA;
  --color-border:   #E4E7EC;
  --color-text:     #111111;
  --color-text-mid: #4B5563;
  --color-text-low: #9CA3AF;
  --color-white:    #FFFFFF;

  /* Spacing */
  --sp-1: 8px;
  --sp-2: 16px;
  --sp-3: 24px;
  --sp-4: 32px;
  --sp-5: 40px;
  --sp-6: 48px;
  --sp-8: 64px;
  --sp-10: 80px;
  --sp-12: 96px;

  /* Typography */
  --font-head: 'Sora', sans-serif;
  --font-body: 'Inter', sans-serif;
  --radius:    6px;
  --radius-lg: 12px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);
  --shadow-md: 0 4px 12px rgba(0,0,0,.10);
  --transition: 180ms ease;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; }
a  { color: inherit; text-decoration: none; }
ul { list-style: none; }
button, input, textarea, select { font-family: inherit; font-size: inherit; }

/* ---------- Utility ---------- */
.container {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding-inline: var(--sp-3);
}

.section { padding-block: var(--sp-10); }
.section--soft { background: var(--color-bg-soft); }

.eyebrow {
  display: inline-block;
  font-family: var(--font-body);
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--sp-2);
}

.section-title {
  font-family: var(--font-head);
  font-size: clamp(1.6rem, 4vw, 2.2rem);
  font-weight: 800;
  line-height: 1.2;
  color: var(--color-brand);
  margin-bottom: var(--sp-2);
}

.section-subtitle {
  font-size: 1rem;
  color: var(--color-text-mid);
  max-width: 52ch;
  line-height: 1.7;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-1);
  min-height: 48px;
  padding: 12px var(--sp-3);
  border-radius: var(--radius);
  font-weight: 600;
  font-size: .9375rem;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), transform var(--transition), box-shadow var(--transition);
  border: 2px solid transparent;
  white-space: nowrap;
  text-decoration: none;
}

.btn-primary {
  background: var(--color-accent);
  color: var(--color-white);
  border-color: var(--color-accent);
}
.btn-primary:hover {
  background: var(--color-accent-h);
  border-color: var(--color-accent-h);
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(26,92,255,.3);
}

.btn-outline {
  background: transparent;
  color: var(--color-accent);
  border-color: var(--color-accent);
}
.btn-outline:hover {
  background: var(--color-accent);
  color: var(--color-white);
  transform: translateY(-1px);
}

.btn-dark {
  background: var(--color-brand);
  color: var(--color-white);
  border-color: var(--color-brand);
}
.btn-dark:hover {
  background: #2a2a2a;
  border-color: #2a2a2a;
  transform: translateY(-1px);
}

/* ---------- HEADER ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  height: 64px;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}
.logo-img {
  height: 44px;
  width: auto;
  mix-blend-mode: multiply; /* makes white PNG background transparent on white header */
}
.logo-text {
  font-family: var(--font-head);
  font-size: 1.2rem;
  font-weight: 800;
  letter-spacing: .04em;
  color: var(--color-brand);
}

/* Desktop nav */
.site-nav {
  display: none;
  align-items: center;
  gap: var(--sp-4);
}
.nav-link {
  font-size: .9375rem;
  font-weight: 500;
  color: var(--color-text-mid);
  transition: color var(--transition);
  position: relative;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: width var(--transition);
}
.nav-link:hover,
.nav-link.active { color: var(--color-brand); }
.nav-link:hover::after,
.nav-link.active::after { width: 100%; }

/* Hamburger */
.hamburger {
  display: flex;
  flex-direction: column;
  gap: 5px;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  border-radius: var(--radius);
  transition: background var(--transition);
}
.hamburger:hover { background: var(--color-bg-soft); }
.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-brand);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition), width var(--transition);
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; width: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile nav drawer */
.mobile-nav {
  display: none;
  flex-direction: column;
  background: var(--color-white);
  border-top: 1px solid var(--color-border);
  padding: var(--sp-3);
  gap: var(--sp-1);
  position: absolute;
  top: 64px;
  left: 0;
  right: 0;
  z-index: 99;
  box-shadow: var(--shadow-md);
}
.mobile-nav.open { display: flex; }
.mobile-nav-link {
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-text);
  padding: 12px var(--sp-2);
  border-radius: var(--radius);
  transition: background var(--transition), color var(--transition);
  min-height: 48px;
  display: flex;
  align-items: center;
}
.mobile-nav-link:hover,
.mobile-nav-link.active {
  background: var(--color-bg-soft);
  color: var(--color-accent);
}
.mobile-nav-cta {
  margin-top: var(--sp-1);
  width: 100%;
}

/* Sticky mobile CTA bar */
.mobile-cta-bar {
  display: flex;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 90;
  background: var(--color-white);
  border-top: 1px solid var(--color-border);
  padding: var(--sp-2) var(--sp-3);
}
.mobile-cta-bar .btn { width: 100%; }

/* ---------- FOOTER ---------- */
.site-footer {
  background: var(--color-brand);
  color: #ccc;
  padding-block: var(--sp-8) var(--sp-4);
}
.footer-grid {
  display: grid;
  gap: var(--sp-5);
  grid-template-columns: 1fr;
}
.footer-brand .logo-img {
  mix-blend-mode: normal; /* filter:invert handles contrast on dark footer */
  filter: brightness(0) invert(1);
  height: 40px;
}
.footer-tagline {
  font-size: .875rem;
  color: #9CA3AF;
  margin-top: var(--sp-2);
  line-height: 1.6;
}
.footer-heading {
  font-weight: 700;
  font-size: .875rem;
  color: var(--color-white);
  letter-spacing: .06em;
  text-transform: uppercase;
  margin-bottom: var(--sp-2);
}
.footer-links { display: flex; flex-direction: column; gap: var(--sp-1); }
.footer-links a {
  font-size: .875rem;
  color: #9CA3AF;
  transition: color var(--transition);
  min-height: 36px;
  display: flex;
  align-items: center;
}
.footer-links a:hover { color: var(--color-white); }
.footer-contact-line {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: .875rem;
  color: #9CA3AF;
  margin-bottom: 10px;
}
.footer-contact-line svg { flex-shrink: 0; margin-top: 3px; }
.footer-bottom {
  border-top: 1px solid #222;
  margin-top: var(--sp-5);
  padding-top: var(--sp-3);
  font-size: .8125rem;
  color: #6B7280;
  display: flex;
  flex-direction: column;
  gap: var(--sp-1);
  align-items: flex-start;
}

/* ==============================
   HOME PAGE
   ============================== */

/* Hero */
.hero {
  padding-block: var(--sp-10) var(--sp-8);
  border-bottom: 1px solid var(--color-border);
}
.hero-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #EBF1FF;
  color: var(--color-accent);
  font-size: .8125rem;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 99px;
  margin-bottom: var(--sp-3);
}
.hero-title {
  font-family: var(--font-head);
  font-size: clamp(2rem, 7vw, 3.5rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -.02em;
  color: var(--color-brand);
  margin-bottom: var(--sp-2);
}
.hero-title span { color: var(--color-accent); }
.hero-sub {
  font-size: clamp(.9375rem, 2.5vw, 1.125rem);
  color: var(--color-text-mid);
  max-width: 50ch;
  line-height: 1.7;
  margin-bottom: var(--sp-4);
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
}
.hero-trust {
  margin-top: var(--sp-5);
  font-size: .8125rem;
  color: var(--color-text-low);
  display: flex;
  align-items: center;
  gap: 8px;
}
.trust-dots {
  display: flex;
  gap: 4px;
}
.trust-dots span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-accent);
  opacity: .2;
}
.trust-dots span:first-child { opacity: 1; }
.trust-dots span:nth-child(2) { opacity: .5; }

/* What We Do */
.services-grid {
  display: grid;
  gap: var(--sp-3);
  grid-template-columns: 1fr;
}
.service-card {
  padding: var(--sp-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-white);
  transition: box-shadow var(--transition), border-color var(--transition);
}
.service-card:hover {
  box-shadow: var(--shadow-md);
  border-color: #C7D8FF;
}
.service-number {
  font-family: var(--font-head);
  font-size: .75rem;
  font-weight: 700;
  color: var(--color-accent);
  letter-spacing: .08em;
  margin-bottom: var(--sp-2);
}
.service-name {
  font-family: var(--font-head);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-brand);
  margin-bottom: 8px;
}
.service-desc {
  font-size: .9375rem;
  color: var(--color-text-mid);
  line-height: 1.65;
}

/* Testimonials */
.testimonial-grid {
  display: grid;
  gap: var(--sp-3);
  grid-template-columns: 1fr;
}
.testimonial-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--sp-4);
}
.testimonial-quote {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-text);
  margin-bottom: var(--sp-3);
  font-style: italic;
}
.testimonial-quote::before { content: '\201C'; }
.testimonial-quote::after  { content: '\201D'; }
.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
}
.author-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-bg-soft);
  border: 2px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: .875rem;
  color: var(--color-accent);
  flex-shrink: 0;
}
.author-name {
  font-weight: 600;
  font-size: .9375rem;
  color: var(--color-brand);
  line-height: 1.3;
}
.author-role {
  font-size: .8125rem;
  color: var(--color-text-low);
}

/* Why Digiwista */
.why-grid {
  display: grid;
  gap: var(--sp-3);
  grid-template-columns: 1fr;
}
.why-item {
  padding: var(--sp-4);
  border-left: 3px solid var(--color-accent);
  background: var(--color-white);
}
.why-title {
  font-family: var(--font-head);
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--color-brand);
  margin-bottom: 8px;
}
.why-desc {
  font-size: .9375rem;
  color: var(--color-text-mid);
  line-height: 1.65;
}

/* Meet the Team */
.team-grid {
  display: grid;
  gap: var(--sp-3);
  grid-template-columns: 1fr;
}
.team-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--sp-4);
  text-align: center;
  transition: box-shadow var(--transition), border-color var(--transition);
}
.team-card:hover {
  box-shadow: var(--shadow-md);
  border-color: #C7D8FF;
}
.team-photo {
  width: 96px;
  height: 96px;
  border-radius: 50%;
  object-fit: cover;
  background: var(--color-bg-soft);
  border: 2px solid var(--color-border);
  margin: 0 auto var(--sp-2);
  display: block;
}
.team-name {
  font-family: var(--font-head);
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--color-brand);
  margin-bottom: 2px;
}
.team-role {
  font-size: .8125rem;
  font-weight: 600;
  color: var(--color-accent);
  letter-spacing: .02em;
  margin-bottom: var(--sp-2);
}
.team-bio {
  font-size: .875rem;
  color: var(--color-text-mid);
  line-height: 1.6;
}

/* CTA Section */
.cta-section {
  background: var(--color-brand);
  padding-block: var(--sp-10);
  text-align: center;
}
.cta-section .section-title { color: var(--color-white); }
.cta-section .section-subtitle { color: #9CA3AF; margin: 0 auto var(--sp-4); }
.cta-section .btn-primary {
  box-shadow: 0 0 0 3px rgba(26,92,255,.25);
}

/* ==============================
   SERVICES PAGE
   ============================== */
.page-hero {
  padding-block: var(--sp-10) var(--sp-8);
  border-bottom: 1px solid var(--color-border);
}
.page-hero-title {
  font-family: var(--font-head);
  font-size: clamp(1.8rem, 5vw, 3rem);
  font-weight: 800;
  line-height: 1.15;
  color: var(--color-brand);
  margin-bottom: var(--sp-2);
}
.page-hero-sub {
  font-size: 1rem;
  color: var(--color-text-mid);
  max-width: 52ch;
  line-height: 1.7;
}

.service-block {
  padding-block: var(--sp-8);
  border-bottom: 1px solid var(--color-border);
}
.service-block:last-child { border-bottom: none; }
.service-block-num {
  font-family: var(--font-head);
  font-size: .8125rem;
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--color-accent);
  margin-bottom: var(--sp-2);
  text-transform: uppercase;
}
.service-block-title {
  font-family: var(--font-head);
  font-size: clamp(1.3rem, 3.5vw, 1.75rem);
  font-weight: 800;
  color: var(--color-brand);
  margin-bottom: var(--sp-2);
}
.service-block-body {
  font-size: .9375rem;
  color: var(--color-text-mid);
  line-height: 1.75;
  max-width: 60ch;
  margin-bottom: var(--sp-3);
}
.service-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.tag {
  font-size: .8125rem;
  font-weight: 600;
  padding: 5px 12px;
  border-radius: 99px;
  background: #EBF1FF;
  color: var(--color-accent);
}

/* ==============================
   CONTACT PAGE
   ============================== */
.contact-layout {
  display: grid;
  gap: var(--sp-6);
  grid-template-columns: 1fr;
}

.contact-info-block { display: flex; flex-direction: column; gap: var(--sp-4); }

.contact-detail {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-2);
}
.contact-detail-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius);
  background: #EBF1FF;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--color-accent);
}
.contact-detail-label {
  font-size: .8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--color-text-low);
  margin-bottom: 4px;
}
.contact-detail-value {
  font-size: .9375rem;
  color: var(--color-text);
  font-weight: 500;
  line-height: 1.5;
}

/* Form */
.contact-form {
  background: var(--color-bg-soft);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--sp-4);
}
.form-row { display: grid; gap: var(--sp-3); }
.form-group { display: flex; flex-direction: column; gap: 8px; }
.form-label {
  font-size: .875rem;
  font-weight: 600;
  color: var(--color-brand);
}
.form-control {
  width: 100%;
  height: 52px;
  padding: 0 var(--sp-2);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-white);
  color: var(--color-text);
  font-size: .9375rem;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
  -webkit-appearance: none;
  appearance: none;
}
.form-control:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(26,92,255,.15);
}
.form-control::placeholder { color: var(--color-text-low); }
textarea.form-control {
  height: 140px;
  padding: var(--sp-2);
  resize: vertical;
}
.form-submit {
  margin-top: var(--sp-3);
  width: 100%;
}

/* Success message */
.form-success {
  display: none;
  text-align: center;
  padding: var(--sp-4);
  background: #F0FFF4;
  border: 1px solid #BBF7D0;
  border-radius: var(--radius-lg);
  color: #166534;
  font-weight: 600;
  margin-top: var(--sp-3);
}

/* ==============================
   RESPONSIVE — Tablet 768px+
   ============================== */
@media (min-width: 768px) {
  .hamburger, .mobile-cta-bar { display: none; }
  .site-nav { display: flex; }

  .footer-grid { grid-template-columns: 1.5fr 1fr 1fr 1.5fr; }
  .footer-bottom { flex-direction: row; justify-content: space-between; align-items: center; }

  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .testimonial-grid { grid-template-columns: repeat(2, 1fr); }
  .why-grid { grid-template-columns: repeat(3, 1fr); }
  .team-grid { grid-template-columns: repeat(2, 1fr); }

  .contact-layout { grid-template-columns: 1fr 1.6fr; }
  .form-row.two-col { grid-template-columns: 1fr 1fr; }
}

/* ==============================
   RESPONSIVE — Desktop 1024px+
   ============================== */
@media (min-width: 1024px) {
  .services-grid { grid-template-columns: repeat(4, 1fr); }
  .team-grid { grid-template-columns: repeat(4, 1fr); }
  .container { padding-inline: var(--sp-5); }
}

/* ==============================
   RESPONSIVE — Wide 1280px+
   ============================== */
@media (min-width: 1280px) {
  .container { padding-inline: var(--sp-6); }
}

/* Focus visible for accessibility */
:focus-visible {
  outline: 2.5px solid var(--color-accent);
  outline-offset: 2px;
  border-radius: var(--radius);
}