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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: "Segoe UI", Arial, sans-serif;
  background: #ffffff;
  color: #0f172a;
  font-size: 16px;
  line-height: 1.5;
}

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

/* ---------------- HEADER ---------------- */

.site-header {
  display: flex;
  align-items: center;
  width: 100%;
  padding: 22px 70px;
  background: #ffffff;
}

.brand-text {
  font-size: 2rem;
  font-weight: 700;
  color: #0b1f3a;
  white-space: nowrap;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-left: auto;
}

.signup-btn,
.login-btn,
.demo-btn {
  text-decoration: none;
  border-radius: 12px;
  padding: 12px 18px;
  font-size: 0.95rem;
  font-weight: 600;
}

.login-btn {
  border: 1px solid #dbeafe;
  color: #1d4ed8;
}

.demo-btn {
  background: #1d4ed8;
  color: white;
}

/* ---------------- HERO ---------------- */

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  align-items: center;
  gap: 60px;
  padding: 70px 70px 90px;
}

.hero-copy h1 {
  font-size: clamp(2.6rem, 4.5vw, 4rem);
  line-height: 1.08;
  margin-bottom: 24px;
  color: #0f172a;
}

.hero-copy h1 span {
  color: #2563eb;
}

.hero-copy p {
  font-size: 1.25rem;
  line-height: 1.65;
  color: #475569;
  margin-bottom: 30px;
}

.hero-buttons {
  display: flex;
  gap: 18px;
  margin-bottom: 34px;
}

.primary-btn,
.outline-btn {
  padding: 16px 28px;
  border-radius: 14px;
  text-decoration: none;
  font-size: 1rem;
  font-weight: 600;
}

.primary-btn {
  background: #2563eb;
  color: white;
}

.outline-btn {
  border: 1px solid #dbeafe;
  color: #1d4ed8;
}

.hero-image-wrap {
  background: #f8fafc;
  border-radius: 28px;
  overflow: hidden;
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.08);
}

.hero-image {
  width: 100%;
  height: 520px;
  object-fit: cover;
}

.hero-features {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  margin-top: 28px;
}

.hero-feature {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  width: 120px;
}

.feature-image {
  width: 58px;
  height: 58px;
  object-fit: contain;
  margin-bottom: 10px;
}

.hero-feature span {
  font-size: 0.9rem;
  font-weight: 600;
  color: #0f172a;
  line-height: 1.35;
}

/* ---------------- PROBLEM ---------------- */

.problem-section {
  padding: 90px 70px;
  background: #f8fafc;
}

.problem-title {
  text-align: center;
  margin-bottom: 55px;
}

.problem-title h2 {
  font-size: clamp(2rem, 3vw, 3rem);
  line-height: 1.15;
}

.problem-title span {
  color: #dc2626;
}

.problem-icons {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 28px;
}

.problem-item {
  background: white;
  border-radius: 24px;
  padding: 30px 22px;
  text-align: center;
  box-shadow: 0 8px 26px rgba(15, 23, 42, 0.05);
}

.problem-item img {
  width: 88px;
  height: 88px;
  object-fit: contain;
  margin: 0 auto 18px;
}

.problem-item p {
  font-size: 0.95rem;
  color: #475569;
  line-height: 1.55;
}

/* ---------------- PRODUCT ---------------- */

.product-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 70px;
  padding: 90px 70px;
  align-items: center;
}

.product-copy h2 {
  font-size: clamp(2rem, 3vw, 2.9rem);
  line-height: 1.15;
  margin-bottom: 24px;
}

.product-copy h3 {
  font-size: 1.15rem;
  line-height: 1.6;
  color: #475569;
  margin-bottom: 20px;
}

.product-copy ul {
  padding-left: 22px;
}

.product-copy li {
  margin-bottom: 14px;
  font-size: 1rem;
  color: #475569;
}

.dashboard-image {
  background: #f8fafc;
  border-radius: 28px;
  overflow: hidden;
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.08);
}

.dashboard-image img {
  width: 100%;
  height: auto;
}

/* ---------------- HOW IT WORKS ---------------- */

.how-section {
  padding: 90px 70px;
  background: #f8fafc;
  text-align: center;
}

.how-section h2 {
  font-size: clamp(2rem, 3vw, 3rem);
  margin-bottom: 55px;
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.step {
  background: white;
  border-radius: 24px;
  padding: 38px 30px;
  box-shadow: 0 8px 26px rgba(15, 23, 42, 0.05);
}

.step img {
  width: 120px;
  height: 120px;
  object-fit: contain;
  margin: 0 auto 22px;
}

.step h3 {
  font-size: 1.25rem;
  margin-bottom: 14px;
}

.step p {
  font-size: 0.95rem;
  color: #64748b;
  line-height: 1.6;
}

/* ---------------- USE CASES ---------------- */

.use-cases {
  padding: 85px 70px;
  text-align: center;
  background: #ffffff;
}

.use-cases h2 {
  font-size: clamp(2rem, 3vw, 2.6rem);
  font-weight: 700;
  margin-bottom: 50px;
  color: #0f172a;
}

.use-case-grid {
  display: flex;
  justify-content: center;
  gap: 38px;
  flex-wrap: wrap;
}

.use-case {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 145px;
}

.use-case-icon {
  width: 68px;
  height: 68px;
  object-fit: contain;
  margin-bottom: 16px;
}

.use-case span {
  font-size: 0.95rem;
  font-weight: 500;
  color: #0f172a;
  line-height: 1.4;
}

/* ---------------- CTA ---------------- */

.footer-cta {
  margin: 75px 70px;
  background: linear-gradient(135deg, #0f172a, #1d4ed8);
  border-radius: 34px;
  color: white;
  padding: 60px 70px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 30px;
}

.footer-cta h2 {
  font-size: clamp(2rem, 3vw, 2.6rem);
  margin-bottom: 14px;
}

.footer-cta p {
  color: #dbeafe;
  font-size: 1.05rem;
}

.footer-buttons {
  display: flex;
  gap: 16px;
}

/* ---------------- MODAL ---------------- */

.contact-modal {
  position: fixed;
  inset: 0;
  display: none;
  justify-content: center;
  align-items: center;
  padding: 24px;
  background: rgba(15, 23, 42, 0.65);
  z-index: 9999;
}

.contact-modal-card {
  width: 100%;
  max-width: 560px;
  max-height: 90vh;
  overflow-y: auto;
  background: #ffffff;
  border-radius: 24px;
  padding: 32px;
  box-shadow: 0 24px 70px rgba(15, 23, 42, 0.28);
  position: relative;
}

.contact-close {
  position: absolute;
  top: 18px;
  right: 20px;
  border: none;
  background: #f1f5f9;
  color: #0f172a;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  font-size: 22px;
  cursor: pointer;
}

.contact-modal-card h2 {
  margin: 0 0 8px;
  font-size: 28px;
  color: #0f172a;
}

.contact-modal-card p {
  margin: 0 0 24px;
  color: #64748b;
}

.contact-modal-card form {
  display: grid;
  gap: 14px;
}

.contact-modal-card label {
  display: grid;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
  color: #334155;
}

.contact-modal-card input,
.contact-modal-card textarea {
  width: 100%;
  border: 1px solid #dbe3ef;
  border-radius: 12px;
  padding: 12px 14px;
  font: inherit;
  color: #0f172a;
  background: #ffffff;
}

.contact-modal-card input:focus,
.contact-modal-card textarea:focus {
  outline: none;
  border-color: #2563eb;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.14);
}

#contactSubmitButton {
  margin-top: 8px;
  border: none;
  border-radius: 14px;
  padding: 14px 20px;
  background: #2563eb;
  color: white;
  font-weight: 700;
  cursor: pointer;
}

#contactSubmitButton:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

#contactStatus {
  display: none;
  padding: 12px 14px;
  border-radius: 12px;
  font-weight: 600;
  font-size: 14px;
}

#contactStatus.success {
  display: block;
  background: #dcfce7;
  color: #166534;
}

#contactStatus.error {
  display: block;
  background: #fee2e2;
  color: #991b1b;
}

/* ---------------- RESPONSIVE ---------------- */

@media (max-width: 1100px) {
  .hero,
  .product-section {
    grid-template-columns: 1fr;
  }

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

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

  .site-header {
    flex-direction: column;
    gap: 20px;
    padding: 30px;
  }

  .header-actions {
    margin-left: 0;
  }

  .footer-cta {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 768px) {
  .site-header {
    padding: 24px;
  }

  .brand-text {
    font-size: 1.6rem;
  }

  .header-actions {
    flex-direction: column;
    width: 100%;
  }

  .login-btn,
  .demo-btn {
    width: 100%;
    text-align: center;
  }

  .hero,
  .problem-section,
  .product-section,
  .how-section,
  .use-cases {
    padding: 55px 24px;
  }

  .hero-copy h1 {
    font-size: 2.45rem;
  }

  .hero-copy p {
    font-size: 1.05rem;
  }

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

  .primary-btn,
  .outline-btn {
    text-align: center;
  }

  .hero-image {
    height: 380px;
  }

  .hero-features {
    justify-content: center;
  }

  .problem-icons,
  .steps {
    grid-template-columns: 1fr;
  }

  .footer-cta {
    margin: 24px;
    padding: 40px 24px;
  }

  .footer-buttons {
    flex-direction: column;
    width: 100%;
  }
}

@media (max-width: 768px) {

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

  .footer-trust {
    flex-direction: column;
    align-items: center;
    gap: 16px;
  }

}
/* ---------------- Footer---------------- */
/* ---------------- FOOTER ---------------- */

.site-footer {
  background: #0f172a;
  color: #cbd5e1;
  padding: 60px 70px 30px;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
  margin-bottom: 40px;
}

.footer-column h3,
.footer-column h4 {
  color: #ffffff;
  margin-bottom: 18px;
}

.footer-column p,
.footer-column a {
  color: #cbd5e1;
  text-decoration: none;
  margin-bottom: 12px;
  display: block;
  line-height: 1.6;
}

.footer-column a:hover {
  color: #60a5fa;
}

.footer-column i {
  width: 22px;
  color: #60a5fa;
  margin-right: 8px;
}

.footer-trust {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 30px;
  padding: 22px 0;
  border-top: 1px solid #334155;
  border-bottom: 1px solid #334155;
  margin-bottom: 25px;
}

.footer-trust span {
  display: flex;
  align-items: center;
  gap: 8px;
  color: #e2e8f0;
}

.footer-trust i {
  color: #22c55e;
}

.footer-bottom {
  text-align: center;
  color: #94a3b8;
  font-size: 0.9rem;
}

.address-block {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    line-height: 1.8;
}

.address-block i {
    margin-top: 4px;
    color: #60a5fa;
    flex-shrink: 0;
}

.address-block span {
    display: block;
}