/* ============================================================
   OnlineBulkSMS – Main Stylesheet
   ============================================================ */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --primary:     #2563eb;
  --primary-dk:  #1d4ed8;
  --accent:      #7c3aed;
  --success:     #16a34a;
  --wa-green:    #25d366;
  --text:        #0f172a;
  --muted:       #64748b;
  --border:      #e2e8f0;
  --bg-light:    #f8fafc;
  --white:       #ffffff;
  --radius:      12px;
  --radius-lg:   20px;
  --shadow:      0 4px 24px rgba(0,0,0,.08);
  --shadow-lg:   0 12px 48px rgba(0,0,0,.14);
  --font:        'Inter', system-ui, sans-serif;
  --transition:  .22s ease;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  color: var(--text);
  background: var(--white);
  line-height: 1.65;
  font-size: 16px;
}

/* ── Utilities ─────────────────────────────────────── */
.container { max-width: 1180px; margin: 0 auto; padding: 0 24px; }
.section    { padding: 88px 0; }
.bg-light   { background: var(--bg-light); }

.badge {
  display: inline-block;
  padding: 4px 14px;
  border-radius: 99px;
  background: #eff6ff;
  color: var(--primary);
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .04em;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.section-header { text-align: center; max-width: 620px; margin: 0 auto 56px; }
.section-header h2 { font-size: 2.2rem; font-weight: 800; line-height: 1.2; margin-bottom: 14px; }
.section-header p  { color: var(--muted); font-size: 1.05rem; }

.gradient-text {
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── Buttons ──────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 26px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: .95rem;
  cursor: pointer;
  text-decoration: none;
  border: 2px solid transparent;
  transition: var(--transition);
}
.btn-primary  { background: var(--primary); color: #fff; border-color: var(--primary); }
.btn-primary:hover { background: var(--primary-dk); border-color: var(--primary-dk); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(37,99,235,.35); }
.btn-outline  { background: transparent; color: var(--primary); border-color: var(--primary); }
.btn-outline:hover { background: var(--primary); color: #fff; transform: translateY(-2px); }
.btn-white    { background: #fff; color: var(--primary); border-color: #fff; font-weight: 700; }
.btn-white:hover { background: #eff6ff; transform: translateY(-2px); }
.btn-sm       { padding: 8px 18px; font-size: .85rem; }
.btn-full     { width: 100%; justify-content: center; }

/* ── Navbar ───────────────────────────────────────── */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: var(--transition);
}
.navbar.scrolled { border-bottom-color: var(--border); box-shadow: 0 2px 16px rgba(0,0,0,.07); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 68px; }

.logo {
  display: flex; align-items: center; gap: 8px;
  font-size: 1.25rem; font-weight: 800; color: var(--primary);
  text-decoration: none; letter-spacing: -.02em;
}
.logo-white { color: #fff; }
.logo-icon  { font-size: 1.4rem; }

.nav-links {
  display: flex; align-items: center; gap: 8px;
  list-style: none;
}
.nav-links a { text-decoration: none; color: var(--text); font-weight: 500; font-size: .92rem; padding: 6px 10px; border-radius: 8px; transition: var(--transition); }
.nav-links a:hover { color: var(--primary); background: #eff6ff; }

.hamburger { display: none; background: none; border: none; font-size: 1.5rem; cursor: pointer; color: var(--text); }

/* ── Hero ─────────────────────────────────────────── */
.hero {
  padding: 96px 0 80px;
  background: linear-gradient(160deg, #eff6ff 0%, #f5f3ff 100%);
  overflow: hidden;
}
.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.hero-text h1 { font-size: 3.2rem; font-weight: 800; line-height: 1.12; margin-bottom: 20px; }
.hero-sub { color: var(--muted); font-size: 1.1rem; margin-bottom: 32px; max-width: 480px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 40px; }

.hero-stats { display: flex; gap: 32px; }
.stat-num  { display: block; font-size: 1.8rem; font-weight: 800; color: var(--primary); }
.stat-label { font-size: .8rem; color: var(--muted); font-weight: 500; }

/* Phone mockup */
.phone-mockup {
  background: #1e293b;
  border-radius: 36px;
  padding: 28px 20px;
  max-width: 300px;
  margin: 0 auto;
  box-shadow: var(--shadow-lg);
  position: relative;
}
.phone-mockup::before {
  content: '';
  display: block;
  width: 80px; height: 8px;
  background: #334155;
  border-radius: 99px;
  margin: 0 auto 20px;
}
.phone-screen { display: flex; flex-direction: column; gap: 12px; }
.sms-bubble {
  background: #334155;
  color: #e2e8f0;
  padding: 12px 16px;
  border-radius: 14px 14px 14px 2px;
  font-size: .85rem;
  line-height: 1.5;
  animation: fadeUp .5s ease both;
}
.sms-bubble.rcs      { background: linear-gradient(135deg,#2563eb,#7c3aed); color: #fff; animation-delay: .15s; }
.sms-bubble.whatsapp { background: #064e3b; color: #d1fae5; animation-delay: .3s; }

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── Services cards ───────────────────────────────── */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 24px;
}
.card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  position: relative;
  transition: var(--transition);
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.card-featured { border-color: var(--primary); box-shadow: 0 0 0 3px #eff6ff; }
.card-badge {
  position: absolute; top: 20px; right: 20px;
  background: var(--primary); color: #fff;
  font-size: .72rem; font-weight: 700; padding: 3px 10px; border-radius: 99px;
}
.card-icon { font-size: 2.2rem; margin-bottom: 16px; }
.sms-color { filter: hue-rotate(0deg); }
.rcs-color { filter: hue-rotate(60deg); }
.wa-color  { filter: hue-rotate(110deg); }
.api-color { filter: hue-rotate(220deg); }
.card h3   { font-size: 1.2rem; font-weight: 700; margin-bottom: 10px; }
.card p    { color: var(--muted); font-size: .92rem; margin-bottom: 18px; }
.card-list { list-style: none; display: flex; flex-direction: column; gap: 7px; margin-bottom: 24px; }
.card-list li { font-size: .88rem; color: var(--text); }
.card-link { color: var(--primary); font-weight: 600; font-size: .9rem; text-decoration: none; }
.card-link:hover { text-decoration: underline; }

/* ── Features ─────────────────────────────────────── */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 32px;
}
.feature-item { text-align: center; }
.feature-icon { font-size: 2.4rem; margin-bottom: 14px; }
.feature-item h4 { font-size: 1rem; font-weight: 700; margin-bottom: 8px; }
.feature-item p  { font-size: .88rem; color: var(--muted); }

/* ── Pricing ──────────────────────────────────────── */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
  align-items: start;
}
.price-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 30px;
  position: relative;
  transition: var(--transition);
}
.price-card:hover { box-shadow: var(--shadow-lg); }
.price-card-popular { border-color: var(--primary); }
.popular-badge {
  position: absolute; top: -14px; left: 50%; transform: translateX(-50%);
  background: var(--primary); color: #fff;
  font-size: .78rem; font-weight: 700; padding: 4px 18px; border-radius: 99px;
  white-space: nowrap;
}
.price-card h3 { font-size: 1.15rem; font-weight: 700; margin-bottom: 10px; }
.price { font-size: 2.4rem; font-weight: 800; color: var(--primary); margin-bottom: 10px; }
.price span { font-size: 1rem; font-weight: 500; color: var(--muted); }
.price-card > p { color: var(--muted); font-size: .88rem; margin-bottom: 20px; }
.price-card ul  { list-style: none; display: flex; flex-direction: column; gap: 10px; margin-bottom: 28px; }
.price-card li  { font-size: .9rem; color: var(--text); }

/* ── CTA ──────────────────────────────────────────── */
.cta-section {
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  padding: 80px 0;
  text-align: center;
  color: #fff;
}
.cta-inner h2 { font-size: 2.2rem; font-weight: 800; margin-bottom: 14px; }
.cta-inner p  { font-size: 1.05rem; opacity: .88; margin-bottom: 32px; }

/* ── Footer ───────────────────────────────────────── */
.footer { background: #0f172a; color: #94a3b8; padding: 64px 0 0; }
.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 48px;
}
.footer-brand p  { font-size: .88rem; line-height: 1.8; margin-top: 14px; }
.footer-brand a  { color: #94a3b8; text-decoration: none; }
.footer-brand a:hover { color: #fff; }
.footer-links h4 { color: #fff; font-size: .92rem; font-weight: 700; margin-bottom: 16px; }
.footer-links ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-links a  { color: #94a3b8; text-decoration: none; font-size: .88rem; transition: var(--transition); }
.footer-links a:hover { color: #fff; }
.footer-bottom { border-top: 1px solid #1e293b; padding: 20px 0; text-align: center; font-size: .82rem; }

/* ── Page hero (inner pages) ──────────────────────── */
.page-hero {
  background: linear-gradient(160deg, #eff6ff 0%, #f5f3ff 100%);
  padding: 72px 0 56px;
  text-align: center;
}
.page-hero h1   { font-size: 2.6rem; font-weight: 800; margin-bottom: 12px; }
.page-hero p    { color: var(--muted); font-size: 1.05rem; }

/* ── Prose (policy / terms) ───────────────────────── */
.prose-section { padding: 72px 0; }
.prose-wrap    { max-width: 820px; margin: 0 auto; }
.prose-wrap h2 { font-size: 1.5rem; font-weight: 700; margin: 40px 0 14px; color: var(--text); }
.prose-wrap h3 { font-size: 1.15rem; font-weight: 600; margin: 28px 0 10px; }
.prose-wrap p  { color: #374151; margin-bottom: 16px; line-height: 1.75; }
.prose-wrap ul { margin: 0 0 16px 22px; }
.prose-wrap li { color: #374151; margin-bottom: 8px; line-height: 1.7; }
.prose-wrap a  { color: var(--primary); }
.prose-wrap strong { color: var(--text); }
.prose-date    { color: var(--muted); font-size: .88rem; margin-bottom: 32px; display: block; }

/* ── Contact ──────────────────────────────────────── */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 56px;
  align-items: start;
}
.contact-info h2  { font-size: 1.8rem; font-weight: 800; margin-bottom: 20px; }
.contact-info p   { color: var(--muted); margin-bottom: 28px; }
.info-item        { display: flex; gap: 14px; margin-bottom: 20px; }
.info-icon        { font-size: 1.4rem; flex-shrink: 0; }
.info-item h4     { font-size: .92rem; font-weight: 700; margin-bottom: 4px; }
.info-item p      { margin: 0; font-size: .88rem; color: var(--muted); }
.info-item a      { color: var(--muted); text-decoration: none; }
.info-item a:hover { color: var(--primary); }

/* Form */
.form-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px 36px;
  box-shadow: var(--shadow);
}
.form-card h2 { font-size: 1.4rem; font-weight: 700; margin-bottom: 8px; }
.form-card > p { color: var(--muted); font-size: .9rem; margin-bottom: 28px; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: .85rem; font-weight: 600; margin-bottom: 6px; color: var(--text); }
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 11px 14px;
  border: 1.5px solid var(--border);
  border-radius: 8px;
  font-family: var(--font);
  font-size: .92rem;
  color: var(--text);
  background: var(--white);
  transition: var(--transition);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px #eff6ff;
}
.form-group textarea { resize: vertical; min-height: 110px; }

.checkbox-group { display: flex; flex-direction: column; gap: 10px; }
.checkbox-label {
  display: flex; align-items: flex-start; gap: 10px;
  font-size: .88rem; color: var(--text); cursor: pointer;
}
.checkbox-label input[type="checkbox"] { margin-top: 2px; accent-color: var(--primary); width: 16px; height: 16px; flex-shrink: 0; }

.form-note { font-size: .78rem; color: var(--muted); margin-top: 6px; }

/* Required asterisk */
.req { color: #e53e3e; margin-left: 2px; }

/* Inline field errors */
.field-error {
  display: none;
  font-size: .8rem;
  color: #e53e3e;
  margin-top: 5px;
}

/* Input states */
.form-group input.input-error,
.form-group input.input-error:focus {
  border-color: #e53e3e;
  box-shadow: 0 0 0 3px #fef2f2;
}
.form-group input.input-ok {
  border-color: #22c55e;
}

/* Error banner at top of form */
.error-banner {
  background: #fef2f2;
  border: 1px solid #fecaca;
  color: #e53e3e;
  padding: 12px 16px;
  border-radius: 8px;
  font-size: .88rem;
  margin-bottom: 20px;
}

/* Consent box */
.consent-box {
  background: #f8fafc;
  border: 1.5px solid var(--border);
  border-radius: 10px;
  padding: 16px 18px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.consent-box.consent-error {
  border-color: #e53e3e;
  background: #fef2f2;
}
.consent-question {
  font-size: .88rem;
  color: var(--text);
  line-height: 1.55;
  margin: 0 0 4px;
}
.radio-label {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: .87rem;
  color: var(--text);
  cursor: pointer;
  line-height: 1.5;
}
.radio-label input[type="radio"] {
  margin-top: 3px;
  accent-color: var(--primary);
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.success-msg {
  display: none;
  background: #f0fdf4;
  border: 1px solid #bbf7d0;
  color: #15803d;
  padding: 14px 18px;
  border-radius: 8px;
  font-size: .9rem;
  margin-top: 16px;
}

/* Map placeholder */
.map-wrap {
  margin-top: 56px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.map-wrap iframe { display: block; width: 100%; height: 340px; border: none; }

/* ── Responsive ────────────────────────────────────── */
@media (max-width: 900px) {
  .hero-inner        { grid-template-columns: 1fr; }
  .hero-visual       { display: none; }
  .hero-text h1      { font-size: 2.4rem; }
  .footer-inner      { grid-template-columns: 1fr 1fr; }
  .contact-layout    { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .section-header h2 { font-size: 1.7rem; }
  .hero-text h1      { font-size: 2rem; }
  .hero-stats        { gap: 20px; }
  .footer-inner      { grid-template-columns: 1fr; }
  .form-row          { grid-template-columns: 1fr; }
  .form-card         { padding: 28px 20px; }
  .nav-links {
    display: none;
    position: absolute; top: 68px; left: 0; right: 0;
    background: #fff;
    flex-direction: column;
    padding: 16px 24px 24px;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow);
    gap: 4px;
  }
  .nav-links.open { display: flex; }
  .hamburger { display: block; }
}