:root {
  --color-primary: #0f766e;
  --color-primary-dark: #115e59;
  --color-secondary: #2563eb;
  --color-accent: #f97316;
  --color-accent-dark: #ea580c;
  --color-bg: #fffbf5;
  --color-surface: #ffffff;
  --color-surface-soft: #f8fafc;
  --color-text: #0f172a;
  --color-text-muted: #64748b;
  --color-border: #e2e8f0;
  --shadow-lg: 0 18px 50px rgba(15, 23, 42, 0.1);
  --shadow-md: 0 10px 30px rgba(15, 23, 42, 0.08);
  --radius-xl: 28px;
  --radius-lg: 22px;
  --radius-md: 16px;
  --container: 1120px;
}

* {
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}
html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Vazirmatn", sans-serif;
  color: var(--color-text);
  background:
    radial-gradient(
      circle at top right,
      rgba(249, 115, 22, 0.08),
      transparent 20%
    ),
    radial-gradient(
      circle at top left,
      rgba(15, 118, 110, 0.08),
      transparent 18%
    ),
    linear-gradient(180deg, #fffdf8 0%, #fffbf5 100%);
  overflow-x: hidden;
}

a {
  text-decoration: none;
  color: inherit;
}
img {
  display: block;
  max-width: 100%;
}

.container {
  width: min(var(--container), calc(100% - 32px));
  margin: 0 auto;
}

.section {
  padding: 72px 0;
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: 0.7s ease;
}

.reveal.show {
  opacity: 1;
  transform: translateY(0);
}

.section-head {
  text-align: center;
  margin-bottom: 28px;
}

.section-title {
  margin: 0 0 10px;
  font-size: clamp(1.5rem, 2.5vw, 2.2rem);
  line-height: 1.5;
  font-weight: 900;
  text-align: center;
}

.section-desc {
  margin: 0 auto;
  max-width: 760px;
  color: var(--color-text-muted);
  line-height: 2;
  font-size: 0.98rem;
  text-align: center;
}

.section-kicker {
  text-align: center;
  color: var(--color-accent-dark);
  font-size: 0.92rem;
  font-weight: 800;
  margin-bottom: 12px;
}

/* nav */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  backdrop-filter: blur(14px);
  background: rgba(255, 251, 245, 0.82);
  border-bottom: 1px solid rgba(226, 232, 240, 0.7);
}

.nav-inner {
  height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.05rem;
  font-weight: 900;
  color: var(--color-text);
}

.brand-logo {
  width: 85px;
  height: 85px;
  object-fit: contain;
  border-radius: 12px;
  flex: 0 0 auto;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 22px;
  flex-wrap: wrap;
}

.nav-links a {
  color: var(--color-text-muted);
  font-size: 0.94rem;
  font-weight: 700;
  transition: 0.25s ease;
}

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

.nav-cta {
  padding: 11px 16px;
  border-radius: 14px;
  background: linear-gradient(
    135deg,
    var(--color-accent),
    var(--color-accent-dark)
  );
  color: #fff;
  font-weight: 800;
  box-shadow: 0 12px 28px rgba(234, 88, 12, 0.24);
}

.menu-toggle {
  display: none;
  width: 46px;
  height: 46px;
  border: 0;
  background: transparent;
  cursor: pointer;
}

.menu-toggle span,
.menu-toggle::before,
.menu-toggle::after {
  content: "";
  display: block;
  width: 24px;
  height: 2px;
  margin: 6px auto;
  background: var(--color-text);
  border-radius: 2px;
}

.mobile-menu {
  display: none;
  padding-bottom: 14px;
}

.mobile-menu.open {
  display: grid;
  gap: 10px;
}

.mobile-menu a {
  padding: 12px 14px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid rgba(226, 232, 240, 0.9);
  color: var(--color-text-muted);
  font-weight: 700;
  text-align: center;
}

/* hero */
.hero {
  padding: 60px 0 28px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
  align-items: center;
}

.hero-copy {
  text-align: center;
  max-width: 860px;
  margin: 0 auto;
}

.hero-copy h1 {
  margin: 0 0 14px;
  font-size: clamp(2.1rem, 4vw, 4rem);
  line-height: 1.35;
  font-weight: 900;
  letter-spacing: -0.03em;
}

.hero-copy h1 .accent {
  color: var(--color-accent-dark);
  position: relative;
  display: inline-block;
}

.hero-copy h1 .accent::after {
  content: "";
  position: absolute;
  right: 0;
  left: 0;
  bottom: 6px;
  height: 12px;
  z-index: -1;
  border-radius: 999px;
  background: linear-gradient(
    90deg,
    rgba(253, 186, 116, 0.86),
    rgba(249, 115, 22, 0.18)
  );
}

.hero-copy p {
  margin: 0 auto 22px;
  color: var(--color-text-muted);
  line-height: 2.05;
  font-size: 1rem;
  max-width: 760px;
}

.hero-actions {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 18px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 20px;
  border-radius: 16px;
  font-weight: 800;
  transition: 0.25s ease;
  border: 1px solid transparent;
  font-family: inherit;
  cursor: pointer;
}

.btn-primary {
  background: linear-gradient(
    135deg,
    var(--color-primary),
    var(--color-primary-dark)
  );
  color: #fff;
  box-shadow: 0 14px 30px rgba(15, 118, 110, 0.22);
}

.btn-outline {
  background: rgba(255, 255, 255, 0.88);
  border-color: rgba(15, 118, 110, 0.14);
  color: var(--color-text);
}

.btn:hover {
  transform: translateY(-2px);
}

.hero-badges {
  display: flex;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
}

.hero-badge {
  padding: 10px 13px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid rgba(226, 232, 240, 0.88);
  color: var(--color-text-muted);
  font-size: 0.9rem;
  font-weight: 700;
  box-shadow: var(--shadow-md);
}

.hero-card {
  background:
    radial-gradient(
      circle at top right,
      rgba(249, 115, 22, 0.14),
      transparent 20%
    ),
    radial-gradient(
      circle at bottom left,
      rgba(15, 118, 110, 0.12),
      transparent 22%
    ),
    linear-gradient(160deg, #0f172a 0%, #132338 45%, #115e59 100%);
  color: #fff;
  border-radius: 32px;
  padding: 28px;
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
  max-width: 900px;
  margin: 0 auto;
}

.hero-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 26px 26px;
  opacity: 0.35;
  mask-image: radial-gradient(circle at center, black 45%, transparent 95%);
}

.hero-card-inner {
  position: relative;
  z-index: 2;
  text-align: center;
}

.hero-card h3 {
  margin: 0 0 12px;
  font-size: 1.4rem;
  line-height: 1.7;
  font-weight: 900;
}

.hero-card p {
  margin: 0 auto 18px;
  color: rgba(255, 255, 255, 0.82);
  line-height: 2;
  font-size: 0.96rem;
  max-width: 700px;
}

.hero-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  text-align: right;
}

.hero-list-item {
  padding: 15px 16px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(8px);
}

.hero-list-item strong {
  display: block;
  margin-bottom: 4px;
  font-size: 0.93rem;
  color: #fff;
}

.hero-list-item span {
  display: block;
  color: rgba(255, 255, 255, 0.78);
  line-height: 1.8;
  font-size: 0.88rem;
}

/* cards */
.grid-2 {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: 20px;
}

.card {
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid rgba(226, 232, 240, 0.9);
  border-radius: 28px;
  padding: 26px;
  box-shadow: var(--shadow-md);
}

.card h3 {
  margin: 0 0 12px;
  font-size: 1.14rem;
  font-weight: 900;
}

.card p {
  margin: 0;
  color: var(--color-text-muted);
  line-height: 2;
  font-size: 0.97rem;
}

.quote-card {
  background: linear-gradient(
    135deg,
    rgba(15, 118, 110, 0.06),
    rgba(249, 115, 22, 0.07)
  );
  position: relative;
  overflow: hidden;
}

.quote-card::before {
  content: "“";
  position: absolute;
  top: -14px;
  left: 16px;
  font-size: 6rem;
  font-weight: 900;
  color: rgba(15, 118, 110, 0.08);
  line-height: 1;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.feature-card {
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(226, 232, 240, 0.88);
  border-radius: 24px;
  padding: 22px;
  box-shadow: var(--shadow-md);
  transition: 0.25s ease;
  text-align: center;
}

.feature-card:hover {
  transform: translateY(-4px);
}

.feature-icon {
  width: 52px;
  height: 52px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(
    135deg,
    rgba(15, 118, 110, 0.15),
    rgba(249, 115, 22, 0.15)
  );
  color: var(--color-primary-dark);
  font-weight: 900;
  margin: 0 auto 14px;
}

.feature-card h4 {
  margin: 0 0 8px;
  font-size: 1rem;
  font-weight: 800;
}

.feature-card p {
  margin: 0;
  color: var(--color-text-muted);
  line-height: 1.9;
  font-size: 0.92rem;
}

/* launch path */
.path-box {
  background: linear-gradient(
    135deg,
    rgba(15, 118, 110, 0.08),
    rgba(249, 115, 22, 0.08)
  );
  border: 1px solid rgba(15, 118, 110, 0.12);
  border-radius: 28px;
  padding: 26px;
  box-shadow: var(--shadow-md);
  text-align: center;
}

.path-box h3 {
  margin: 0 0 10px;
  font-size: 1.2rem;
  font-weight: 900;
}

.path-box p {
  margin: 0 auto;
  max-width: 780px;
  color: var(--color-text-muted);
  line-height: 2.05;
  font-size: 0.97rem;
}

/* yazd */
.yazd-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.yazd-card {
  position: relative;
  min-height: 290px;
  border-radius: 26px;
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid rgba(226, 232, 240, 0.9);
  background: #fff;
}

.yazd-card img {
  width: 100%;
  height: 100%;
  min-height: 290px;
  object-fit: cover;
  background: linear-gradient(
    135deg,
    rgba(15, 118, 110, 0.1),
    rgba(249, 115, 22, 0.12)
  );
}

.yazd-card .caption {
  position: absolute;
  right: 12px;
  left: 12px;
  bottom: 12px;
  padding: 12px 14px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.84);
  border: 1px solid rgba(226, 232, 240, 0.88);
  backdrop-filter: blur(10px);
  font-size: 0.9rem;
  font-weight: 700;
  line-height: 1.8;
  text-align: center;
}

/* summary */
.summary-box {
  background: linear-gradient(
    135deg,
    rgba(15, 118, 110, 0.08),
    rgba(249, 115, 22, 0.08)
  );
  border: 1px solid rgba(15, 118, 110, 0.12);
  border-radius: 28px;
  padding: 26px;
  box-shadow: var(--shadow-md);
  text-align: center;
}

.summary-box h3 {
  margin: 0 0 10px;
  font-size: 1.18rem;
  font-weight: 900;
}

.summary-box p {
  margin: 0 auto;
  max-width: 800px;
  color: var(--color-text-muted);
  line-height: 2.08;
  font-size: 0.97rem;
}

/* socials */
.social-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.social-card {
  background: #fff;
  border: 1px solid rgba(226, 232, 240, 0.9);
  border-radius: 24px;
  padding: 22px;
  box-shadow: var(--shadow-md);
  text-align: center;
  transition: 0.25s ease;
}

.social-card:hover {
  transform: translateY(-4px);
}

.social-icon {
  width: 56px;
  height: 56px;
  border-radius: 18px;
  margin: 0 auto 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  font-weight: 900;
  color: var(--color-primary-dark);
  background: linear-gradient(
    135deg,
    rgba(15, 118, 110, 0.15),
    rgba(249, 115, 22, 0.15)
  );
}

.social-card h4 {
  margin: 0 0 8px;
  font-size: 1rem;
  font-weight: 900;
}

.social-card p {
  margin: 0 0 14px;
  color: var(--color-text-muted);
  line-height: 1.9;
  font-size: 0.92rem;
}

.social-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 11px 16px;
  border-radius: 14px;
  background: rgba(15, 118, 110, 0.08);
  color: var(--color-primary-dark);
  font-weight: 800;
  border: 1px solid rgba(15, 118, 110, 0.12);
  transition: 0.25s ease;
}

.social-link:hover {
  background: rgba(15, 118, 110, 0.12);
}

/* team */
.team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.team-card {
  background: #fff;
  border: 1px solid rgba(226, 232, 240, 0.9);
  border-radius: 26px;
  padding: 18px;
  box-shadow: var(--shadow-md);
  text-align: center;
}

.member-photo {
  width: 100%;
  height: 210px;
  object-fit: cover;
  border-radius: 20px;
  margin-bottom: 14px;
  background: linear-gradient(
    135deg,
    rgba(15, 118, 110, 0.1),
    rgba(249, 115, 22, 0.12)
  );
  border: 1px solid rgba(226, 232, 240, 0.9);
}

.team-card h4 {
  margin: 0 0 6px;
  font-size: 1rem;
  font-weight: 900;
}

.team-role {
  margin-bottom: 8px;
  color: var(--color-accent-dark);
  font-size: 0.9rem;
  font-weight: 800;
}

.team-card p {
  margin: 0;
  color: var(--color-text-muted);
  line-height: 1.9;
  font-size: 0.9rem;
}

/* notify */
.notify-wrap {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 22px;
  align-items: center;
}

.notify-copy {
  text-align: center;
}

.notify-copy h3 {
  margin: 0 0 12px;
  font-size: clamp(1.4rem, 2.3vw, 2rem);
  font-weight: 900;
  line-height: 1.5;
}

.notify-copy p {
  margin: 0 0 16px;
  color: var(--color-text-muted);
  line-height: 2;
}

.notify-points {
  display: grid;
  gap: 10px;
}

.notify-point {
  padding: 13px 15px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(226, 232, 240, 0.88);
  box-shadow: var(--shadow-md);
  color: var(--color-text-muted);
  line-height: 1.85;
  font-size: 0.92rem;
  text-align: center;
}

.notify-form {
  background: #fff;
  border: 1px solid rgba(226, 232, 240, 0.9);
  border-radius: 28px;
  padding: 26px;
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}

.notify-form::before {
  content: "";
  position: absolute;
  width: 170px;
  height: 170px;
  border-radius: 50%;
  left: -70px;
  bottom: -70px;
  background: radial-gradient(
    circle,
    rgba(249, 115, 22, 0.14),
    transparent 70%
  );
}

.notify-form h4 {
  margin: 0 0 8px;
  font-size: 1.16rem;
  font-weight: 900;
  text-align: center;
  position: relative;
  z-index: 2;
}

.notify-form p {
  margin: 0 0 16px;
  color: var(--color-text-muted);
  line-height: 1.9;
  font-size: 0.94rem;
  position: relative;
  z-index: 2;
  text-align: center;
}

.form-grid {
  display: grid;
  gap: 14px;
  position: relative;
  z-index: 2;
}

.field {
  display: grid;
  gap: 8px;
}

.field label {
  font-size: 0.9rem;
  font-weight: 700;
}

.field input,
.field select {
  width: 100%;
  border: 1px solid var(--color-border);
  border-radius: 16px;
  padding: 14px 16px;
  font-family: inherit;
  font-size: 0.95rem;
  color: var(--color-text);
  background: #fff;
  outline: none;
  transition: 0.25s ease;
}

.field input:focus,
.field select:focus {
  border-color: rgba(15, 118, 110, 0.34);
  box-shadow: 0 0 0 4px rgba(15, 118, 110, 0.08);
}

.form-note {
  color: var(--color-text-muted);
  font-size: 0.84rem;
  line-height: 1.9;
  text-align: center;
}

.status {
  min-height: 28px;
  font-size: 0.9rem;
  font-weight: 800;
  text-align: center;
}

.status.success {
  color: var(--color-primary-dark);
}
.status.error {
  color: #b91c1c;
}

/* footer */
.footer {
  padding: 26px 0 40px;
  border-top: 1px solid rgba(226, 232, 240, 0.86);
  background: rgba(255, 255, 255, 0.56);
  margin-top: 10px;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.footer small {
  color: var(--color-text-muted);
  line-height: 1.9;
  text-align: center;
}

.footer-links {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  color: var(--color-text-muted);
  font-weight: 700;
  font-size: 0.92rem;
}

@media (max-width: 1100px) {
  .grid-2,
  .notify-wrap {
    grid-template-columns: 1fr;
  }

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

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

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

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

@media (max-width: 860px) {
  .nav-links,
  .nav-cta {
    display: none;
  }
  .menu-toggle {
    display: inline-block;
  }
  .hero-actions {
    flex-direction: column;
    align-items: center;
  }
  .btn {
    width: 100%;
    max-width: 320px;
  }
}

@media (max-width: 640px) {
  .section {
    padding: 58px 0;
  }

  .feature-grid,
  .team-grid,
  .yazd-grid,
  .social-grid {
    grid-template-columns: 1fr;
  }

  .nav-inner {
    height: 72px;
  }

  .member-photo {
    height: 260px;
  }

  .hero-card,
  .card,
  .notify-form,
  .summary-box,
  .path-box {
    padding: 22px;
  }

  .footer-inner {
    justify-content: center;
  }

  .footer-links {
    justify-content: center;
  }
}

.field.has-error input,
.field.has-error select {
  border-color: #d85d3f;
  box-shadow: 0 0 0 3px rgba(216, 93, 63, 0.12);
}

.status {
  min-height: 24px;
  margin-top: 12px;
  font-size: 14px;
  line-height: 1.8;
}

.status.error {
  color: #c94f35;
}

.status.success {
  color: #2f8f63;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.65;
}