/* ================= کدهای اصلی شما (مربوط به چت و پنل) ================= */
* {
  box-sizing: border-box;
}
:root {
  --navy: #0f2040;
  --navy-light: #1a335c;
  --gold: #c9a84c;
  --bg: #f4f5f7;
  --card: #ffffff;
  --border: #e3e6ec;
  --text: #1a1a2e;
  --muted: #6b7280;
}
body {
  margin: 0;
  font-family: Vazirmatn, Tahoma, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
}
a {
  color: var(--navy);
}
.center {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 20px;
}
.card {
  background: var(--card);
  padding: 32px;
  border-radius: 16px;
  box-shadow: 0 8px 32px rgba(15, 32, 64, 0.08);
  border: 1px solid var(--border);
}
.auth-card {
  width: min(420px, 92vw);
}
.auth-brand {
  text-align: center;
  margin-bottom: 20px;
}
.auth-brand h1 {
  margin: 8px 0 4px;
  font-size: 28px;
  color: var(--navy);
}
.auth-brand .subtitle {
  color: var(--muted);
  font-size: 14px;
  margin: 0;
}
.logo {
  width: 64px;
  height: 64px;
  object-fit: contain;
}
.auth-card h2 {
  font-size: 18px;
  margin: 0 0 12px;
  color: var(--text);
}
input,
textarea {
  width: 100%;
  padding: 12px 14px;
  margin: 7px 0;
  border: 1px solid var(--border);
  border-radius: 10px;
  font: inherit;
  background: #fff;
  transition: border 0.2s;
}
input:focus,
textarea:focus {
  outline: none;
  border-color: var(--navy);
  box-shadow: 0 0 0 3px rgba(15, 32, 64, 0.08);
}
button {
  border: 0;
  border-radius: 10px;
  padding: 11px 16px;
  cursor: pointer;
  background: var(--navy);
  color: white;
  font-weight: 600;
  font-family: inherit;
  transition: opacity 0.2s;
}
button:hover {
  opacity: 0.9;
}
.auth-card button {
  width: 100%;
  margin-top: 8px;
}
.error {
  color: #b00020;
  min-height: 20px;
  font-size: 13px;
}
.auth-link {
  text-align: center;
  font-size: 13px;
  color: var(--muted);
}
.auth-link a {
  font-weight: 600;
}
.app {
  display: flex;
  height: 100vh;
}
aside {
  width: 300px;
  background: var(--navy);
  color: #fff;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.brand {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 2px;
  margin-bottom: 8px;
}
.brand span {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: 0;
}
.brand small {
  font-size: 11px;
  opacity: 0.7;
  letter-spacing: 1px;
}
.brand-logo {
  width: 48px;
  height: 48px;
  object-fit: contain;
}
.primary {
  background: var(--gold);
  color: var(--navy);
  font-weight: 700;
}
.secondary {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
}
aside h3 {
  margin: 8px 0 0;
  font-size: 12px;
  opacity: 0.6;
  letter-spacing: 1px;
}
#history {
  overflow: auto;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.history-item {
  padding: 10px 12px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 13px;
  background: rgba(255, 255, 255, 0.06);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.history-item:hover {
  background: rgba(255, 255, 255, 0.12);
}
.history-item.active {
  background: var(--gold);
  color: var(--navy);
}
main {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
}
header {
  height: 56px;
  background: #fff;
  border-bottom: 1px solid var(--border);
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.header-title {
  font-weight: 600;
  font-size: 14px;
  color: var(--muted);
}
.user-email {
  font-size: 12px;
  color: var(--muted);
  direction: ltr;
}
.messages {
  flex: 1;
  overflow: auto;
  padding: 28px;
  max-width: 860px;
  width: 100%;
  margin: 0 auto;
}
.message {
  padding: 14px 18px;
  border-radius: 14px;
  margin: 12px 0;
  max-width: 85%;
  white-space: pre-wrap;
  line-height: 1.9;
  font-size: 14px;
}
.user {
  margin-right: auto;
  background: var(--navy);
  color: #fff;
  border-radius: 14px 14px 4px 14px;
}
.assistant {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 14px 14px 14px 4px;
}
.welcome {
  text-align: center;
  color: var(--muted);
  margin-top: 8vh;
}
.welcome-icon {
  font-size: 48px;
}
.welcome h2 {
  color: var(--navy);
  margin: 10px 0 8px;
}
.welcome p {
  font-size: 13px;
  max-width: 560px;
  margin: 0 auto;
}
.suggestions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  margin: 20px 0;
}
.suggestion {
  background: #fff;
  border: 1px solid var(--border);
  color: var(--navy);
  font-size: 12px;
  padding: 8px 14px;
  border-radius: 20px;
  cursor: pointer;
}
.suggestion:hover {
  border-color: var(--navy);
  background: var(--navy);
  color: #fff;
}
.disclaimer {
  font-size: 11px !important;
  color: #b45309 !important;
  margin-top: 16px !important;
}
.composer {
  display: flex;
  gap: 10px;
  padding: 14px 18px;
  background: #fff;
  border-top: 1px solid var(--border);
  max-width: 860px;
  width: 100%;
  margin: 0 auto;
}
.composer textarea {
  margin: 0;
  resize: none;
  max-height: 120px;
}
.send-btn {
  align-self: stretch;
  min-width: 80px;
  background: var(--gold);
  color: var(--navy);
}
.composer-hint {
  text-align: center;
  font-size: 11px;
  color: var(--muted);
  margin: 4px 0 10px;
}
@media (max-width: 768px) {
  aside {
    display: none;
  }
  .messages {
    padding: 16px;
  }
  .message {
    max-width: 92%;
  }
}

/* ================= استایل‌های صفحه لندینگ و صفحات فرعی ================= */
:root {
  --landing-dark-blue: #0b1b5a;
  --landing-primary-blue: #1e3a8a;
  --landing-primary-teal: #0d9488;
  --landing-light-teal: #10b981;
  --landing-bg: #f8fafc;
  --landing-text-main: #1e293b;
  --landing-text-muted: #64748b;
  --landing-white: #ffffff;
  --landing-transition: all 0.3s ease;
}

.landing-body,
.page-body {
  background: linear-gradient(
    180deg,
    #f8fafc 0%,
    #eef2f6 30%,
    #e2e8f0 70%,
    #f8fafc 100%
  );
  color: var(--landing-text-main);
  overflow-x: hidden;
  margin: 0;
  min-height: 100vh;
}

/* Navbar */
.landing-nav {
  position: fixed;
  top: 0;
  width: 100%;
  padding: 15px 5%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
  z-index: 1000;
  transition: var(--landing-transition);
}
.landing-nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.landing-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--landing-dark-blue);
}
.landing-brand img {
  height: 50px;
  object-fit: contain;
}
.landing-brand strong {
  font-size: 20px;
  font-weight: 800;
}
.landing-links {
  display: flex;
  gap: 20px;
  align-items: center;
} /* کاهش فاصله برای جا شدن ۵ لینک */
.landing-links a {
  text-decoration: none;
  color: var(--landing-text-main);
  font-weight: 600;
  font-size: 0.95rem;
  transition: var(--landing-transition);
}
.landing-links a:hover {
  color: var(--landing-primary-teal);
}
.landing-btn {
  background: linear-gradient(
    135deg,
    var(--landing-primary-blue),
    var(--landing-primary-teal)
  );
  color: var(--landing-white);
  padding: 10px 25px;
  border-radius: 50px;
  text-decoration: none;
  font-weight: bold;
  box-shadow: 0 4px 15px rgba(13, 148, 136, 0.3);
  transition: var(--landing-transition);
  border: none;
  cursor: pointer;
}
.landing-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(13, 148, 136, 0.4);
  color: var(--landing-white);
}

/* Hero (Landing) */
.landing-hero {
  width: 100%;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 120px 5% 60px;
  position: relative;
  overflow: hidden;
  z-index: 1;
}
.glow-effect-1 {
  position: absolute;
  width: 600px;
  height: 600px;
  background: radial-gradient(
    circle,
    rgba(16, 185, 129, 0.15) 0%,
    rgba(255, 255, 255, 0) 70%
  );
  top: -100px;
  left: -100px;
  z-index: -1;
  border-radius: 50%;
  animation: pulse 8s infinite alternate;
}
.glow-effect-2 {
  position: absolute;
  width: 500px;
  height: 500px;
  background: radial-gradient(
    circle,
    rgba(30, 58, 138, 0.1) 0%,
    rgba(255, 255, 255, 0) 70%
  );
  bottom: -100px;
  right: -100px;
  z-index: -1;
  border-radius: 50%;
  animation: pulse 10s infinite alternate-reverse;
}
@keyframes pulse {
  0% {
    transform: scale(1);
    opacity: 0.8;
  }
  100% {
    transform: scale(1.1);
    opacity: 1;
  }
}

.landing-hero-content {
  flex: 1;
  max-width: 600px;
  animation: slideUp 1s ease forwards;
}
.landing-hero-badge {
  display: inline-block;
  padding: 8px 16px;
  background: rgba(13, 148, 136, 0.1);
  color: var(--landing-primary-teal);
  border-radius: 50px;
  font-weight: bold;
  font-size: 0.9rem;
  margin-bottom: 20px;
}
.landing-hero-content h1 {
  font-size: 3.5rem;
  font-weight: 900;
  line-height: 1.3;
  margin-bottom: 20px;
  color: var(--landing-dark-blue);
}
.landing-hero-content h1 span {
  background: linear-gradient(
    135deg,
    var(--landing-primary-blue),
    var(--landing-primary-teal)
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.landing-hero-content p {
  font-size: 1.2rem;
  color: var(--landing-text-muted);
  line-height: 1.8;
  margin-bottom: 40px;
}
.landing-hero-buttons {
  display: flex;
  gap: 20px;
}
.landing-btn-primary {
  background: linear-gradient(
    135deg,
    var(--landing-primary-blue),
    var(--landing-primary-teal)
  );
  color: var(--landing-white);
  padding: 15px 35px;
  border-radius: 50px;
  text-decoration: none;
  font-size: 1.1rem;
  font-weight: bold;
  box-shadow: 0 10px 25px rgba(13, 148, 136, 0.3);
  transition: var(--landing-transition);
  border: none;
  cursor: pointer;
}
.landing-btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 15px 30px rgba(13, 148, 136, 0.4);
}
.landing-btn-secondary {
  background: var(--landing-white);
  color: var(--landing-dark-blue);
  padding: 15px 35px;
  border-radius: 50px;
  text-decoration: none;
  font-size: 1.1rem;
  font-weight: bold;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
  transition: var(--landing-transition);
  border: 1px solid #e2e8f0;
}
.landing-btn-secondary:hover {
  background: #f8fafc;
  transform: translateY(-3px);
}

.landing-hero-image {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
  animation: fadeIn 1.5s ease forwards;
}
.landing-hero-image img {
  width: 100%;
  max-width: 450px;
  border-radius: 30px;
  filter: drop-shadow(0 20px 40px rgba(13, 148, 136, 0.2));
  animation: float 6s ease-in-out infinite;
}
@keyframes float {
  0% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-20px);
  }
  100% {
    transform: translateY(0px);
  }
}
@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(50px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

/* Features (چرا محق‌شو؟) */
.landing-features {
  padding: 100px 5%;
  background: transparent;
  position: relative;
  z-index: 1;
}
.landing-section-title {
  text-align: center;
  margin-bottom: 60px;
}
.landing-section-title h2 {
  font-size: 2.5rem;
  color: var(--landing-dark-blue);
  margin-bottom: 15px;
}
.landing-section-title p {
  color: var(--landing-text-muted);
  font-size: 1.1rem;
}
.landing-features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  max-width: 1200px;
  margin: 0 auto;
}
.landing-feature-card {
  background: var(--landing-white);
  padding: 40px 30px;
  border-radius: 24px;
  text-align: center;
  transition: var(--landing-transition);
  border: 1px solid transparent;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.03);
}
.landing-feature-card:hover {
  transform: translateY(-10px);
  border-color: rgba(13, 148, 136, 0.2);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
}
.landing-feature-icon {
  width: 70px;
  height: 70px;
  margin: 0 auto 25px;
  background: linear-gradient(
    135deg,
    rgba(30, 58, 138, 0.1),
    rgba(13, 148, 136, 0.1)
  );
  border-radius: 20px;
  display: flex;
  justify-content: center;
  align-items: center;
  color: var(--landing-primary-teal);
  font-size: 2rem;
}
.landing-feature-card h3 {
  font-size: 1.4rem;
  color: var(--landing-dark-blue);
  margin-bottom: 15px;
}
.landing-feature-card p {
  color: var(--landing-text-muted);
  line-height: 1.7;
}

/* How it works (نحوه کار) */
.landing-how {
  padding: 100px 5%;
  background: transparent;
  position: relative;
  z-index: 1;
}
.landing-how-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  max-width: 1200px;
  margin: 0 auto;
  align-items: center;
}
.landing-how-timeline {
  position: relative;
  padding-right: 30px;
}
.landing-how-timeline::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  right: 25px;
  width: 3px;
  background: linear-gradient(
    to bottom,
    var(--landing-primary-blue),
    var(--landing-primary-teal),
    transparent
  );
  border-radius: 3px;
  opacity: 0.3;
}
.how-step-item {
  position: relative;
  padding-right: 70px;
  margin-bottom: 45px;
  text-align: right;
  transition: var(--landing-transition);
}
.how-step-item:last-child {
  margin-bottom: 0;
}
.how-step-item:hover {
  transform: translateX(-8px);
}
.how-step-number {
  position: absolute;
  right: 0;
  top: 0;
  width: 50px;
  height: 50px;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 1.4rem;
  font-weight: 900;
  border-radius: 50%;
  background: linear-gradient(
    135deg,
    var(--landing-primary-blue),
    var(--landing-primary-teal)
  );
  color: white;
  box-shadow:
    0 0 0 6px rgba(13, 148, 136, 0.1),
    0 8px 20px rgba(13, 148, 136, 0.2);
  z-index: 1;
  transition: var(--landing-transition);
}
.how-step-item:hover .how-step-number {
  box-shadow:
    0 0 0 10px rgba(13, 148, 136, 0.15),
    0 10px 25px rgba(13, 148, 136, 0.3);
  transform: scale(1.1);
}
.how-step-content {
  padding-top: 5px;
}
.how-step-content h3 {
  margin-top: 0;
  margin-bottom: 8px;
  font-size: 1.3rem;
  color: var(--landing-dark-blue);
  font-weight: 800;
}
.how-step-content p {
  margin: 0;
  font-size: 14px;
  color: var(--landing-text-muted);
  line-height: 1.8;
}

/* Live Preview */
.landing-preview-card {
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 24px;
  box-shadow:
    0 30px 60px rgba(15, 32, 64, 0.12),
    0 0 0 1px rgba(255, 255, 255, 0.5) inset;
  overflow: hidden;
  position: relative;
}
.landing-preview-card::before {
  content: "";
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(
    circle at 30% 30%,
    rgba(16, 185, 129, 0.05),
    transparent 60%
  );
  pointer-events: none;
}
.landing-preview-header {
  padding: 18px 22px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid #e2e8f0;
  background: rgba(248, 250, 252, 0.8);
  backdrop-filter: blur(10px);
}
.landing-preview-header span {
  font-size: 13px;
  color: var(--landing-text-muted);
  font-weight: 700;
}
.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #22c55e;
  box-shadow: 0 0 0 4px rgba(34, 197, 94, 0.2);
  animation: pulse-dot 2s infinite;
}
@keyframes pulse-dot {
  0% {
    box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.4);
  }
  70% {
    box-shadow: 0 0 0 8px rgba(34, 197, 94, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(34, 197, 94, 0);
  }
}
.landing-preview-body {
  padding: 25px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.landing-bubble {
  padding: 14px 18px;
  border-radius: 16px;
  font-size: 13.5px;
  line-height: 1.8;
  max-width: 90%;
  position: relative;
  z-index: 1;
}
.landing-bubble.user {
  align-self: flex-start;
  background: linear-gradient(
    135deg,
    var(--landing-primary-blue),
    var(--landing-primary-teal)
  );
  color: white;
  border-radius: 16px 16px 4px 16px;
  box-shadow: 0 4px 15px rgba(13, 148, 136, 0.2);
}
.landing-bubble.assistant {
  align-self: flex-end;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 16px 16px 16px 4px;
  color: var(--landing-text-main);
}
.landing-citation {
  margin-top: 10px;
  padding: 10px 12px;
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 10px;
  font-size: 11px;
  color: var(--landing-text-muted);
  display: flex;
  align-items: center;
  gap: 6px;
}
.landing-citation strong {
  color: var(--landing-dark-blue);
}

/* Footer */
.landing-footer {
  background: linear-gradient(180deg, transparent 0%, #ffffff 100%);
  border-top: 1px solid rgba(226, 232, 240, 0.8);
  padding: 40px 5% 20px;
  position: relative;
  z-index: 1;
}
.landing-footer-top {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 30px;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 15px;
  text-align: right;
}
.footer-brand img {
  height: 70px;
  object-fit: contain;
}
.footer-brand-text strong {
  font-size: 1.6rem;
  color: var(--landing-dark-blue);
  display: block;
  margin-bottom: 5px;
}
.footer-brand-text p {
  font-size: 13px;
  color: var(--landing-text-muted);
  margin: 0;
  max-width: 350px;
  line-height: 1.6;
}
.footer-links {
  display: flex;
  gap: 25px;
}
.footer-links a {
  color: var(--landing-text-main);
  text-decoration: none;
  font-weight: 600;
  font-size: 14px;
  transition: var(--landing-transition);
}
.footer-links a:hover {
  color: var(--landing-primary-teal);
}
.footer-enamad img {
  height: 90px;
  object-fit: contain;
}
.landing-footer-bottom {
  max-width: 1200px;
  margin: 30px auto 0;
  padding-top: 20px;
  border-top: 1px solid rgba(226, 232, 240, 0.8);
  text-align: center;
}
.footer-copyright-text {
  margin: 0;
  color: var(--landing-text-muted);
  font-size: 13px;
  white-space: nowrap;
}

/* Scroll Reveal */
.reveal {
  opacity: 0;
  transform: translateY(50px);
  transition: all 0.8s ease;
}
.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* ================= استایل‌های اختصاصی صفحات فرعی ================= */

/* هدر صفحات فرعی (اصلاح شده) */
.page-header {
  padding: 120px 5% 40px;
  text-align: center;
  position: relative;
  z-index: 1;
}
.page-header h1 {
  font-size: 2.2rem; /* کاهش سایز برای هماهنگی با هدر */
  font-weight: 800;
  color: var(--landing-dark-blue);
  margin-bottom: 10px;
}
.page-header p {
  font-size: 1rem; /* کاهش سایز متن */
  color: var(--landing-text-muted);
  max-width: 600px;
  margin: 0 auto;
}

/* محتوای صفحات فرعی (اصلاح شده) */
.page-content {
  max-width: 1100px; /* افزایش عرض برای رفع فضای خالی دو طرف */
  margin: 0 auto 80px;
  padding: 0 5%;
  position: relative;
  z-index: 1;
}

/* کارت محتوا */
.content-card {
  background: var(--landing-white);
  border-radius: 24px;
  padding: 40px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.04);
  border: 1px solid #e2e8f0;
}
.content-card h2 {
  font-size: 1.6rem;
  color: var(--landing-dark-blue);
  margin-top: 0;
  margin-bottom: 20px;
}
.content-card h3 {
  font-size: 1.2rem;
  color: var(--landing-dark-blue);
  margin-top: 30px;
  margin-bottom: 15px;
}
.content-card p,
.content-card li {
  font-size: 15px;
  color: var(--landing-text-muted);
  line-height: 2;
  margin-bottom: 15px;
}
.content-card ul {
  padding-right: 20px;
  margin-bottom: 20px;
}
.content-card li::marker {
  color: var(--landing-primary-teal);
  font-weight: bold;
}

/* فرم تماس */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.form-group label {
  font-weight: 700;
  font-size: 14px;
  color: var(--landing-dark-blue);
}
.form-group input,
.form-group textarea {
  padding: 15px;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  font-family: inherit;
  font-size: 14px;
  background: #f8fafc;
  transition: var(--landing-transition);
}
.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--landing-primary-teal);
  background: #fff;
  box-shadow: 0 0 0 4px rgba(13, 148, 136, 0.1);
}
.contact-form button {
  background: linear-gradient(
    135deg,
    var(--landing-primary-blue),
    var(--landing-primary-teal)
  );
  color: white;
  padding: 15px 30px;
  border-radius: 12px;
  font-size: 16px;
  font-weight: bold;
  cursor: pointer;
  border: none;
  transition: var(--landing-transition);
  margin-top: 10px;
}
.contact-form button:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(13, 148, 136, 0.2);
}

/* Responsive */
@media (max-width: 992px) {
  .landing-hero {
    flex-direction: column;
    text-align: center;
    padding-top: 100px;
  }
  .landing-hero-content {
    margin-bottom: 40px;
  }
  .landing-hero-buttons {
    justify-content: center;
  }
  .landing-hero-content h1 {
    font-size: 2.8rem;
  }
  .landing-nav-inner {
    flex-direction: column;
    gap: 15px;
  }
  .landing-nav {
    position: relative;
    padding: 15px;
  }
  .landing-links {
    flex-wrap: wrap;
    justify-content: center;
  }
  .landing-how-grid {
    grid-template-columns: 1fr;
    gap: 50px;
  }
  .landing-how-timeline {
    padding-right: 10px;
  }
  .landing-how-timeline::before {
    right: 15px;
  }
  .how-step-item {
    padding-right: 50px;
  }
  .how-step-number {
    width: 40px;
    height: 40px;
    font-size: 1.1rem;
    right: -5px;
  }
  .landing-preview-card {
    margin-top: 20px;
  }
  .landing-footer-top {
    flex-direction: column;
    text-align: center;
  }
  .footer-brand {
    flex-direction: column;
    text-align: center;
  }
  .footer-brand-text p {
    margin: 0 auto;
  }
  .footer-links {
    flex-direction: column;
    gap: 15px;
  }
}
@media (max-width: 768px) {
  .landing-hero-content h1 {
    font-size: 2.2rem;
  }
  .landing-hero-buttons {
    flex-direction: column;
  }
  .landing-btn-primary,
  .landing-btn-secondary {
    width: 100%;
  }
  .footer-copyright-text {
    white-space: normal;
  }
  .page-header h1 {
    font-size: 1.8rem;
  }
  .content-card {
    padding: 25px 20px;
  }
}