/* ===================================
   ARANDU — Professional Website Styles
   Inspired by: Bridgetown, Outset, proSapient
   =================================== */

/* --- Variables --- */
:root {
  --green-900: #0d3b1e;
  --green-800: #145a2e;
  --green-700: #1a7a45;
  --green-600: #1f9151;
  --green-500: #27ae60;
  --green-100: #e8f5ee;
  --green-50:  #f2faf5;

  --gray-900: #111827;
  --gray-800: #1f2937;
  --gray-700: #374151;
  --gray-600: #4b5563;
  --gray-500: #6b7280;
  --gray-400: #9ca3af;
  --gray-300: #d1d5db;
  --gray-200: #e5e7eb;
  --gray-100: #f3f4f6;
  --gray-50:  #f9fafb;

  --white: #ffffff;
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --font-serif: 'Playfair Display', Georgia, serif;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.07);
  --shadow-lg: 0 8px 30px rgba(0,0,0,0.08);
  --radius: 10px;
  --radius-lg: 16px;
  --transition: 0.25s ease;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: var(--font-sans);
  color: var(--gray-800);
  line-height: 1.7;
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}

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

ul {
  list-style: none;
}

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

/* --- Layout --- */
.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===================================
   HEADER
   =================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--gray-200);
  z-index: 1000;
}

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

.logo {
  font-family: var(--font-sans);
  font-size: 1.45rem;
  font-weight: 700;
  color: var(--green-800);
  letter-spacing: -0.5px;
}

.nav-links {
  display: flex;
  gap: 36px;
}

.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--gray-600);
  transition: color var(--transition);
  position: relative;
}

.nav-links a:hover {
  color: var(--green-700);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--green-700);
  transition: width var(--transition);
}

.nav-links a:hover::after {
  width: 100%;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* Hamburger */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  width: 28px;
  height: 20px;
  position: relative;
  z-index: 1001;
}

.menu-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--gray-700);
  border-radius: 2px;
  position: absolute;
  left: 0;
  transition: all 0.3s ease;
}

.menu-toggle span:nth-child(1) { top: 0; }
.menu-toggle span:nth-child(2) { top: 9px; }
.menu-toggle span:nth-child(3) { top: 18px; }

.menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg);
  top: 9px;
}
.menu-toggle.active span:nth-child(2) {
  opacity: 0;
}
.menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg);
  top: 9px;
}

/* Mobile menu */
.mobile-menu {
  display: none;
  background: var(--white);
  border-top: 1px solid var(--gray-200);
  padding: 24px;
}

.mobile-menu.open {
  display: block;
}

.mobile-menu li {
  margin-bottom: 16px;
}

.mobile-menu a {
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--gray-700);
}

/* ===================================
   BUTTONS
   =================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.9rem;
  border-radius: 8px;
  padding: 13px 28px;
  cursor: pointer;
  border: none;
  transition: all var(--transition);
  text-decoration: none;
}

.btn-primary {
  background: var(--green-700);
  color: var(--white);
}

.btn-primary:hover {
  background: var(--green-800);
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(26, 122, 69, 0.3);
}

.btn-outline {
  background: transparent;
  color: var(--green-700);
  border: 1.5px solid var(--green-700);
}

.btn-outline:hover {
  background: var(--green-700);
  color: var(--white);
}

.btn-outline-light {
  background: transparent;
  color: var(--white);
  border: 1.5px solid rgba(255,255,255,0.5);
}

.btn-outline-light:hover {
  background: rgba(255,255,255,0.12);
  border-color: var(--white);
}

.btn-sm {
  padding: 9px 20px;
  font-size: 0.85rem;
}

.btn-full {
  width: 100%;
}

/* ===================================
   HERO
   =================================== */
.hero {
  position: relative;
  padding: 160px 0 120px;
  background: var(--green-900);
  color: var(--white);
  overflow: hidden;
}

.hero-gradient {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    radial-gradient(ellipse 80% 60% at 20% 80%, rgba(39, 174, 96, 0.15) 0%, transparent 60%),
    radial-gradient(ellipse 60% 50% at 80% 20%, rgba(31, 145, 81, 0.12) 0%, transparent 50%),
    linear-gradient(180deg, rgba(13,59,30,0) 0%, rgba(13,59,30,0.4) 100%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 720px;
}

.hero-badge {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--green-500);
  margin-bottom: 24px;
  padding: 6px 14px;
  border: 1px solid rgba(39, 174, 96, 0.3);
  border-radius: 50px;
}

.hero h1 {
  font-family: var(--font-serif);
  font-size: 3.2rem;
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 24px;
  letter-spacing: -0.5px;
}

.text-accent {
  color: var(--green-500);
}

.hero-sub {
  font-size: 1.12rem;
  color: rgba(255,255,255,0.75);
  line-height: 1.8;
  margin-bottom: 36px;
  max-width: 560px;
}

.hero-ctas {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.hero .btn-primary {
  background: var(--green-600);
}

.hero .btn-primary:hover {
  background: var(--green-500);
}

.trust-signal {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.6);
  padding: 10px 18px;
  background: rgba(255,255,255,0.06);
  border-radius: 8px;
  border: 1px solid rgba(255,255,255,0.08);
}

.trust-signal svg {
  flex-shrink: 0;
}

/* ===================================
   SECTIONS (shared)
   =================================== */
.section {
  padding: 100px 0;
}

.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 56px;
}

.section-label {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--green-700);
  margin-bottom: 12px;
}

.section-header h2 {
  font-family: var(--font-serif);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--gray-900);
  line-height: 1.25;
  margin-bottom: 16px;
  letter-spacing: -0.3px;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--gray-500);
  line-height: 1.7;
}

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

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

/* ===================================
   CARDS (Advantages, Join)
   =================================== */
.card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 36px 28px;
  transition: all var(--transition);
}

.card:hover {
  border-color: var(--gray-300);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.card-icon {
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--green-50);
  border-radius: 12px;
  color: var(--green-700);
  margin-bottom: 20px;
}

.card h3 {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: 10px;
}

.card p {
  font-size: 0.93rem;
  color: var(--gray-500);
  line-height: 1.7;
}

/* --- Advantages section bg --- */
.advantages {
  background: var(--gray-50);
}

/* ===================================
   MID-PAGE CTA
   =================================== */
.section-cta {
  padding: 0;
}

.cta-box {
  background: var(--green-900);
  color: var(--white);
  text-align: center;
  padding: 64px 48px;
  border-radius: var(--radius-lg);
  margin: 0 24px;
  position: relative;
  overflow: hidden;
}

.cta-box::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(39,174,96,0.15) 0%, transparent 70%);
  pointer-events: none;
}

.cta-box h2 {
  font-family: var(--font-serif);
  font-size: 1.8rem;
  font-weight: 600;
  margin-bottom: 28px;
  position: relative;
}

.cta-box .btn-primary {
  background: var(--green-600);
}

.cta-box .btn-primary:hover {
  background: var(--green-500);
}

/* ===================================
   NICHE EXPERTISE
   =================================== */
.niches {
  background: var(--white);
}

.niche-card {
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 32px 28px;
  transition: all var(--transition);
}

.niche-card:hover {
  border-color: var(--green-700);
  box-shadow: var(--shadow-md);
}

.niche-tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--green-700);
  background: var(--green-100);
  padding: 4px 12px;
  border-radius: 50px;
  margin-bottom: 16px;
}

.niche-card h3 {
  font-size: 1.08rem;
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: 8px;
}

.niche-card p {
  font-size: 0.93rem;
  color: var(--gray-500);
  line-height: 1.7;
}

/* ===================================
   STEPS / PROCESS
   =================================== */
.services {
  background: var(--gray-50);
}

.step-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 36px 28px;
  transition: all var(--transition);
}

.step-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.step-number {
  font-size: 2rem;
  font-weight: 700;
  color: var(--green-100);
  font-family: var(--font-serif);
  line-height: 1;
  margin-bottom: 20px;
  background: linear-gradient(135deg, var(--green-700), var(--green-500));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.step-card h3 {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: 10px;
}

.step-card p {
  font-size: 0.93rem;
  color: var(--gray-500);
  line-height: 1.7;
}

/* ===================================
   CLIENT SEGMENTS
   =================================== */
.clients {
  background: var(--white);
}

.client-card {
  text-align: center;
  padding: 40px 28px;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  transition: all var(--transition);
  color: var(--gray-500);
}

.client-card:hover {
  border-color: var(--green-700);
  color: var(--green-700);
}

.client-card svg {
  margin: 0 auto 18px;
}

.client-card h3 {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: 6px;
}

.client-card p {
  font-size: 0.88rem;
}

/* ===================================
   COMPLIANCE
   =================================== */
.compliance {
  background: var(--gray-50);
}

.compliance-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 28px 24px;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  transition: all var(--transition);
}

.compliance-item:hover {
  box-shadow: var(--shadow-sm);
}

.compliance-icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--green-50);
  border-radius: 10px;
  color: var(--green-700);
}

.compliance-item h3 {
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: 6px;
}

.compliance-item p {
  font-size: 0.9rem;
  color: var(--gray-500);
  line-height: 1.65;
}

/* ===================================
   JOIN NETWORK
   =================================== */
.join {
  background: var(--white);
}

.section-cta-inline {
  text-align: center;
  margin-top: 40px;
}

/* ===================================
   CONTACT
   =================================== */
.contact {
  background: var(--gray-50);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 56px;
  align-items: start;
}

.contact-block {
  margin-bottom: 32px;
}

.contact-block:last-child {
  margin-bottom: 0;
}

.contact-block h3 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: 6px;
}

.contact-block p {
  font-size: 0.9rem;
  color: var(--gray-500);
  margin-bottom: 6px;
}

.contact-block a {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--green-700);
  transition: color var(--transition);
}

.contact-block a:hover {
  color: var(--green-800);
  text-decoration: underline;
}

/* --- Contact Form --- */
.contact-form {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 40px 36px;
  box-shadow: var(--shadow-sm);
}

.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: 500;
  color: var(--gray-700);
  margin-bottom: 6px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  font-family: var(--font-sans);
  font-size: 0.92rem;
  color: var(--gray-800);
  padding: 11px 14px;
  border: 1px solid var(--gray-300);
  border-radius: 8px;
  background: var(--white);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--green-700);
  box-shadow: 0 0 0 3px rgba(26, 122, 69, 0.1);
}

.form-group textarea {
  resize: vertical;
}

.form-disclaimer {
  font-size: 0.8rem;
  color: var(--gray-400);
  margin-top: 14px;
  text-align: center;
}

.form-disclaimer a {
  color: var(--green-700);
  text-decoration: underline;
}

/* ===================================
   FINAL CTA
   =================================== */
.final-cta {
  padding: 0 0 100px;
}

.final-cta .cta-box {
  margin: 0;
}

.final-cta .hero-ctas {
  justify-content: center;
  margin-bottom: 0;
}

/* ===================================
   FOOTER
   =================================== */
.footer {
  background: var(--gray-900);
  color: var(--gray-400);
  padding-top: 64px;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.2fr 2fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-brand .logo {
  color: var(--white);
  margin-bottom: 12px;
  display: inline-block;
}

.footer-brand p {
  font-size: 0.9rem;
  color: var(--gray-500);
  max-width: 260px;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.footer-links h4 {
  font-size: 0.82rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--gray-300);
  margin-bottom: 16px;
}

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a {
  font-size: 0.9rem;
  color: var(--gray-500);
  transition: color var(--transition);
}

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

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 0;
}

.footer-bottom p {
  font-size: 0.82rem;
}

.footer-legal {
  display: flex;
  gap: 24px;
}

.footer-legal a {
  font-size: 0.82rem;
  color: var(--gray-500);
  transition: color var(--transition);
}

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

/* ===================================
   RESPONSIVE
   =================================== */
@media (max-width: 1024px) {
  .hero h1 {
    font-size: 2.6rem;
  }

  .section-header h2 {
    font-size: 1.9rem;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

@media (max-width: 768px) {
  /* Header */
  .nav-desktop {
    display: none;
  }

  .header-actions .btn {
    display: none;
  }

  .menu-toggle {
    display: block;
  }

  /* Hero */
  .hero {
    padding: 130px 0 80px;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .hero-sub {
    font-size: 1rem;
  }

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

  .hero-ctas .btn {
    text-align: center;
  }

  /* Sections */
  .section {
    padding: 72px 0;
  }

  .section-header {
    margin-bottom: 40px;
  }

  .section-header h2 {
    font-size: 1.65rem;
  }

  /* Grids */
  .grid-3,
  .grid-2 {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  /* CTA box */
  .cta-box {
    padding: 48px 28px;
    margin: 0;
    border-radius: var(--radius);
  }

  .cta-box h2 {
    font-size: 1.4rem;
  }

  /* Contact */
  .contact-form {
    padding: 28px 20px;
  }

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

  /* Footer */
  .footer-inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }

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

  .footer-bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 1.7rem;
  }

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