/* ============================================
   SMS TAX & ACCOUNTING — Stylesheet
   Aesthetic: Refined Corporate Gold & Navy
   ============================================ */

/* @import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@400;600;700;900&family=DM+Sans:wght@300;400;500;600&display=swap'); */
@import url('https://fonts.googleapis.com/css2?family=PT+Serif:ital,wght@0,400;0,700;1,400;1,700&display=swap');

/* ── CSS Variables ── */
:root {
  --sms-green-color: #006400;
  --sms-red-color: #dc2143;
  --sms-blue-color: #000080;
  --navy: #0B1F3A;
  --navy-light: #152E54;
  --gold: #C9A84C;
  --goldLight: #E2C06A;
  --goldPale: #F5EDD6;
  --white: #FFFFFF;
  --off-white: #F8F6F1;
  --gray: #6B7280;
  --gray-light: #E5E7EB;
  --text-dark: #1A1A2E;
  --shadow-sm: 0 2px 8px rgba(11, 31, 58, 0.08);
  --shadow-md: 0 8px 30px rgba(11, 31, 58, 0.12);
  --shadow-lg: 0 20px 60px rgba(11, 31, 58, 0.18);
  --radius: 8px;
  --radius-lg: 16px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "PT Serif", Sans-serif;
  color: var(--text-dark);
  background: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
}

a {
  text-decoration: none;
  color: inherit;
}

img {
  max-width: 100%;
  display: block;
}

ul {
  list-style: none;
}

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ── Topbar ── */
.topbar {
  background: var(--navy);
  color: rgba(255, 255, 255, 0.75);
  font-size: 0.82rem;
  padding: 8px 0;
  letter-spacing: 0.02em;
}

.topbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.topbar a {
  color: var(--goldLight);
  transition: color var(--transition);
}

.topbar a:hover {
  color: var(--white);
}

.topbar-left,
.topbar-right {
  display: flex;
  align-items: center;
  gap: 20px;
}

.topbar span {
  display: flex;
  align-items: center;
  gap: 6px;
}

/* ── Navigation ── */
.navbar {
  background: var(--white);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: var(--shadow-sm);
  border-bottom: 3px solid var(--sms-green-color);
}

.navbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 72px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-icon {
  width: 200px;
  height: 48px;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: 1.3rem;
  color: var(--sms-green-color);
  letter-spacing: -1px;
  flex-shrink: 0;
}

.logo-text span {
  display: block;
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--sms-green-color);
  line-height: 1.1;
}

.logo-text small {
  font-size: 0.7rem;
  color: var(--gray);
  font-weight: 400;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--navy);
  padding: 8px 14px;
  border-radius: var(--radius);
  transition: all var(--transition);
  white-space: nowrap;
}

.nav-links a:hover {
  background: var(--goldPale);
  color: var(--sms-green-color);
}

.nav-links a.active {
  color: var(--sms-green-color);
  font-weight: 600;
}

.nav-cta {
  background: var(--sms-green-color) !important;
  color: #fff !important;
  font-weight: 600 !important;
  padding: 10px 20px !important;
}

.nav-cta:hover {
  background: var(--goldLight) !important;
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  background: none;
  border: none;
}

.hamburger span {
  width: 24px;
  height: 2px;
  background: var(--navy);
  transition: var(--transition);
  display: block;
}

/* ── Hero ── */
.hero {
  background: linear-gradient(135deg, var(--sms-green-color) 0%, var(--navy-light) 60%, #1a3a6b 100%);
  color: var(--white);
  padding: 90px 0 80px;
  position: relative;
  overflow: hidden;
}

.bangla-travel-hero {
  /* background: url('../images/bangla-travel.jpg') no-repeat center center; */
  background-size: cover;
  color: var(--white);
  padding: 90px 0 80px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -150px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(201, 168, 76, 0.15) 0%, transparent 70%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -80px;
  left: -100px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(201, 168, 76, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(201, 168, 76, 0.15);
  border: 1px solid rgba(201, 168, 76, 0.35);
  color: #ffb700;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 6px 14px;
  border-radius: 50px;
  margin-bottom: 24px;
}

.hero h1 {
  font-size: clamp(2.2rem, 4vw, 3.2rem);
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 20px;
}

.hero h1 em {
  font-style: italic;
  color: var(--sms-red-color);
  font-weight: 600;
}

.hero p {
  font-size: 1.05rem;
  color: rgba(255, 255, 255, 0.78);
  line-height: 1.75;
  margin-bottom: 36px;
  max-width: 480px;
}

.hero-btns {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.btn-primary {
  background: var(--sms-green-color);
  color: #fff;
  font-weight: 700;
  font-size: 0.95rem;
  padding: 14px 28px;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  letter-spacing: 0.01em;
}

.btn-primary:hover {
  background: var(--goldLight);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(201, 168, 76, 0.35);
  color: #000;
}

.btn-outline {
  background: transparent;
  color: var(--white);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 14px 28px;
  border-radius: var(--radius);
  border: 2px solid rgba(255, 255, 255, 0.35);
  cursor: pointer;
  transition: all var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn-outline:hover {
  border-color: var(--sms-green-color);
  color: var(--sms-green-color);
  transform: translateY(-2px);
  color: #fff;
}

.hero-card {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(30px);
  padding: 30px 20px 20px 20px;
}

.hero-card img {
  background: rgba(255, 255, 255, 0.06);
  /* border: 1px solid rgba(255, 255, 255, 0.12); */
  border-radius: var(--radius-lg);
  backdrop-filter: blur(30px);
}

.hero-card h3 {
  font-size: 1.3rem;
  color: #fff;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(201, 168, 76, 0.25);
}

.service-pill {
  display: flex;
  align-items: center;
  gap: 12px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  padding: 14px 18px;
  margin-bottom: 12px;
  transition: all var(--transition);
}

.service-pill:hover {
  background: rgba(201, 168, 76, 0.12);
  border-color: rgba(201, 168, 76, 0.3);
}

.pill-icon {
  width: 38px;
  height: 38px;
  background: var(--sms-green-color);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.pill-text strong {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--white);
}

.pill-text span {
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.55);
}

/* ── Stats Bar ── */
.stats-bar {
  background: var(--sms-green-color);
  padding: 28px 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  text-align: center;
}

.stat-item strong {
  display: block;
  font-size: 2rem;
  font-weight: 700;
  color: var(--navy);
  line-height: 1;
}

.stat-item span {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--navy);
  opacity: 0.75;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* ── Sections ── */
section {
  padding: 50px 0;
}

.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--sms-green-color);
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  font-weight: 700;
  color: var(--navy);
  line-height: 1.2;
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 1rem;
  color: var(--gray);
  max-width: 560px;
  line-height: 1.75;
}

.section-header {
  margin-bottom: 52px;
}

.section-header.center {
  text-align: center;
}

.section-header.center .section-subtitle {
  margin: 0 auto;
}

/* ── Services ── */
#services {
  background: var(--off-white);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.service-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 36px 30px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-light);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 6px;
  background: var(--sms-green-color);
  transform: scaleX(0);
  transition: transform var(--transition);
  transform-origin: left;
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: transparent;
}

.service-card:hover::before {
  transform: scaleX(1);
}

.service-icon img {
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 22px;
  width: 100%;
  height: 200px;
}

.service-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 10px;
}

.service-card p {
  font-size: 0.9rem;
  color: var(--gray);
  line-height: 1.7;
  margin-bottom: 22px;
}

.service-card ul {
  margin-bottom: 22px;
}

.service-card ul li {
  font-size: 0.85rem;
  color: var(--gray);
  padding: 4px 0;
  display: flex;
  align-items: center;
  gap: 8px;
}

.service-card ul li::before {
  content: '✓';
  color: var(--sms-green-color);
  font-weight: 700;
  font-size: 0.85rem;
  flex-shrink: 0;
}

.service-link {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--sms-green-color);
  display: flex;
  align-items: center;
  gap: 6px;
  transition: gap var(--transition);
}

.service-link:hover {
  gap: 10px;
}

/* ── Why Us ── */
.why-us {
  background: var(--white);
}

.why-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 70px;
  align-items: center;
}

.why-visual {
  background: var(--navy);
  border-radius: var(--radius-lg);
  padding: 44px 40px;
  color: var(--white);
  position: relative;
  overflow: hidden;
}

.why-visual::after {
  content: '';
  position: absolute;
  bottom: -60px;
  right: -60px;
  width: 250px;
  height: 250px;
  background: radial-gradient(circle, rgba(201, 168, 76, 0.18) 0%, transparent 70%);
}

.why-visual h3 {
  font-size: 1.5rem;
  color: var(--sms-green-color);
  margin-bottom: 8px;
}

.why-visual>p {
  color: rgba(255, 255, 255, 0.65);
  font-size: 0.9rem;
  margin-bottom: 32px;
}

.why-feature {
  display: flex;
  gap: 16px;
  margin-bottom: 24px;
}

.feature-num {
  width: 36px;
  height: 36px;
  background: var(--sms-green-color);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.85rem;
  color: var(--navy);
  flex-shrink: 0;
}

.feature-content strong {
  display: block;
  font-weight: 600;
  font-size: 0.95rem;
  margin-bottom: 3px;
}

.feature-content p {
  font-size: 0.83rem;
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.55;
}

.why-point {
  display: flex;
  gap: 18px;
  padding: 22px 0;
  border-bottom: 1px solid var(--gray-light);
}

.why-point:last-child {
  border-bottom: none;
}

.point-icon {
  width: 50px;
  height: 50px;
  background: var(--goldPale);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  flex-shrink: 0;
}

.point-text strong {
  display: block;
  font-weight: 700;
  font-size: 1rem;
  color: var(--navy);
  margin-bottom: 4px;
}

.point-text p {
  font-size: 0.88rem;
  color: var(--gray);
  line-height: 1.65;
}

/* ── Process ── */
.process {
  background: var(--navy);
  color: var(--white);
}

.process .section-title {
  color: var(--white);
}

.process .section-subtitle {
  color: rgba(255, 255, 255, 0.6);
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  position: relative;
}

.process-steps::before {
  content: '';
  position: absolute;
  top: 36px;
  left: calc(12.5% + 20px);
  right: calc(12.5% + 20px);
  height: 2px;
  background: linear-gradient(to right, var(--sms-green-color) 0%, rgba(201, 168, 76, 0.3) 100%);
  z-index: 0;
}

.process-step {
  text-align: center;
  position: relative;
  z-index: 1;
}

.step-num {
  width: 72px;
  height: 72px;
  background: var(--sms-green-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--navy);
  margin: 0 auto 22px;
  border: 4px solid var(--navy);
  box-shadow: 0 0 0 2px var(--sms-green-color);
}

.process-step h4 {
  font-weight: 700;
  font-size: 0.95rem;
  margin-bottom: 8px;
  color: var(--goldLight);
}

.process-step p {
  font-size: 0.83rem;
  color: rgba(255, 255, 255, 0.55);
  line-height: 1.65;
}

/* ── Testimonials ── */
.testimonials {
  background: var(--off-white);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.testimonial-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 30px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-light);
  transition: box-shadow var(--transition);
}

.testimonial-card:hover {
  box-shadow: var(--shadow-md);
}

.stars {
  color: var(--sms-green-color);
  font-size: 1rem;
  margin-bottom: 14px;
  letter-spacing: 2px;
}

.testimonial-card blockquote {
  font-size: 0.92rem;
  color: var(--gray);
  line-height: 1.75;
  font-style: italic;
  margin-bottom: 22px;
}

.testimonial-card blockquote::before {
  content: '\201C';
  font-size: 2rem;
  color: var(--sms-green-color);
  line-height: 0;
  vertical-align: -0.4rem;
  margin-right: 4px;
}

.reviewer {
  display: flex;
  align-items: center;
  gap: 14px;
}

.reviewer-avatar {
  width: 44px;
  height: 44px;
  background: var(--sms-green-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1rem;
  color: var(--navy);
  flex-shrink: 0;
}

.reviewer strong {
  display: block;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--navy);
}

.reviewer span {
  font-size: 0.78rem;
  color: var(--gray);
}

/* ── Reveal Animation ── */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
  cursor: pointer;
}


@media (max-width: 768px) {
  .navbar .container {
    height: 90px;
    position: relative;
  }

  .logo-icon {
    width: 150px;
  }

  .logo-text {
    font-size: 0.7rem;
    color: var(--gray);
    font-weight: 400;
    text-transform: uppercase;
  }

  .logo-icon img {
    width: 150px;
  }

  .logo {
    display: grid;
    align-items: center;
    gap: 1px;
  }

  .hero-grid {
    grid-template-columns: 1fr;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .services-grid {
    grid-template-columns: 1fr;
  }

  .why-grid {
    grid-template-columns: 1fr;
  }

  .process-steps {
    grid-template-columns: repeat(2, 1fr);
  }

  .testimonials-grid {
    grid-template-columns: 1fr;
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    padding: 16px 24px;
    box-shadow: var(--shadow-md);
    gap: 4px;
    border-top: 1px solid var(--gray-light);
  }

  .nav-links.open {
    display: flex;
  }

  .hamburger {
    display: flex;
  }

  .hero {
    padding: 56px 0;
  }

  .process-steps {
    grid-template-columns: 1fr;
  }

  .hero-btns {
    flex-direction: column;
  }

  .contact-form {
    padding: 28px 22px;
  }
}

/* Accessible text for SEO/assistive technology */
.sr-only { position:absolute; width:1px; height:1px; padding:0; margin:-1px; overflow:hidden; clip:rect(0,0,0,0); white-space:nowrap; border:0; }