@import url("https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600;700&display=swap");

:root {
  --black: #111111;
  --white: #ffffff;
  --beige: #f5f0e6;
  --text-color: #2f241d;
  --text-light: #6b5b52;
  --border-color: rgba(0, 0, 0, 0.08);
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

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

body {
  font-family: "Poppins", Arial, sans-serif;
  color: var(--text-color);
  background: linear-gradient(180deg, #fbf8f2, #fff, #f6efe4);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

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

.site-header {
  background: var(--black);
  color: var(--white);
  position: sticky;
  top: 0;
  z-index: 100;
}

.navbar {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.4rem;
  font-weight: 700;
}

.brand:hover {
  opacity: 0.8;
}

.logo-icon {
  width: 28px;
  height: 28px;
}

.logo-icon svg {
  width: 100%;
  height: 100%;
}

.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: var(--white);
  font-size: 1.5rem;
  padding: 0.5rem 0.75rem;
  border-radius: 8px;
  cursor: pointer;
}

.nav-links {
  display: flex;
  gap: 0.5rem;
}

.nav-links a {
  padding: 0.7rem 1rem;
  border-radius: 50px;
  transition: background 0.3s;
}

.nav-links a:hover,
.nav-links a.active {
  background: rgba(255, 255, 255, 0.1);
}

.page {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.5rem 1rem 3rem;
  width: 100%;
  flex: 1;
}

.hero {
  background: linear-gradient(135deg, #fffdf9, #fff, #f7efe1);
  padding: 2rem;
  border-radius: 20px;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow);
  display: grid;
  gap: 2rem;
  grid-template-columns: 1fr;
}

.hero-content h1 {
  font-size: 2.5rem;
  line-height: 1.1;
  margin-bottom: 1rem;
}

.hero-content p {
  font-size: 1.1rem;
  color: var(--text-light);
  margin-bottom: 1rem;
}

.name-card {
  background: linear-gradient(180deg, #fffaf2, #f7f0e4);
  padding: 1.5rem;
  border-radius: 15px;
  border: 1px solid var(--border-color);
  margin-top: 1rem;
}

.name-state {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.name-state label {
  font-weight: 600;
}

.name-row {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.name-row input {
  flex: 1;
  min-width: 200px;
  padding: 0.9rem;
  border: 1px solid rgba(0, 0, 0, 0.15);
  border-radius: 10px;
  font-family: inherit;
  font-size: 1rem;
}

.name-row input:focus {
  outline: none;
  border-color: var(--black);
}

.welcome-text {
  font-size: 1.2rem;
  font-weight: 600;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  margin-top: 1rem;
  flex-wrap: wrap;
}

.hero-visual {
  display: flex;
  flex-direction: column;
}

.hero-image {
  position: relative;
  border-radius: 15px;
  overflow: hidden;
  min-height: 300px;
  background: #efe8db;
}

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

.hero-badge {
  position: absolute;
  bottom: 1rem;
  left: 1rem;
  background: rgba(255, 255, 255, 0.95);
  padding: 0.75rem 1rem;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.9rem;
}

.btn {
  display: inline-block;
  padding: 1rem 1.5rem;
  border-radius: 50px;
  font-weight: 600;
  text-align: center;
  cursor: pointer;
  border: none;
  transition: transform 0.2s, box-shadow 0.2s;
}

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

.btn-secondary {
  background: var(--white);
  color: var(--black);
  border: 2px solid rgba(0, 0, 0, 0.1);
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.15);
}

.section {
  margin-top: 2rem;
}

.section-title {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.section-block {
  margin-top: 2rem;
}

.section-header {
  margin-bottom: 1.5rem;
}

.section-header h2 {
  font-size: 1.8rem;
  margin-bottom: 0.5rem;
}

.section-header p {
  color: var(--text-light);
}

.panel {
  background: var(--white);
  padding: 2rem;
  border-radius: 20px;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow);
}

.page-intro {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: 1fr;
  margin-bottom: 2rem;
}

.page-summary {
  background: var(--white);
  padding: 1.5rem;
  border-radius: 15px;
  border: 1px solid var(--border-color);
}

.page-summary h2 {
  margin-top: 0;
  font-size: 1.3rem;
}

.feature-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
}

.feature-card {
  background: var(--white);
  padding: 1.5rem;
  border-radius: 15px;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow);
  transition: transform 0.3s;
}

.feature-card:hover {
  transform: translateY(-5px);
}

.feature-card h3 {
  margin-top: 0;
  margin-bottom: 0.5rem;
}

.feature-card p {
  color: var(--text-light);
  margin: 0;
}

.stats-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
}

.stat-card {
  background: var(--white);
  padding: 1.5rem;
  border-radius: 15px;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow);
  text-align: center;
}

.stat-card strong {
  display: block;
  font-size: 2rem;
  color: var(--black);
  margin-bottom: 0.5rem;
}

.stat-card span {
  color: var(--text-light);
}

.info-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
}

.card {
  background: var(--white);
  padding: 1.5rem;
  border-radius: 15px;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow);
}

.card h2 {
  margin-top: 0;
  font-size: 1.3rem;
}

.card p {
  color: var(--text-light);
  margin: 0;
}

.note-grid {
  display: grid;
  gap: 0.75rem;
  grid-template-columns: 1fr;
  margin-top: 1rem;
}

.note-card {
  background: var(--white);
  padding: 1rem;
  border-radius: 12px;
  border: 1px solid var(--border-color);
  font-size: 0.9rem;
}

.note-card strong {
  display: block;
  color: var(--black);
  margin-bottom: 0.25rem;
}

.nutrition-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
}

.nutrition-card {
  background: var(--white);
  border-radius: 15px;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: transform 0.3s;
}

.nutrition-card:hover {
  transform: translateY(-5px);
}

.nutrition-card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.nutrition-card-content {
  padding: 1rem;
}

.nutrition-card-content h3 {
  margin: 0 0 0.5rem;
  font-size: 1.1rem;
}

.nutrition-card-content p {
  margin: 0;
  color: var(--text-light);
  font-size: 0.9rem;
}

.nutrition-section h2 {
  margin-top: 0;
}

.form-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
  margin-top: 1.5rem;
}

.form-grid label {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  font-weight: 600;
}

.form-grid input {
  padding: 0.9rem;
  border: 1px solid rgba(0, 0, 0, 0.15);
  border-radius: 10px;
  font-size: 1rem;
  font-family: inherit;
}

.form-grid input:focus {
  outline: none;
  border-color: var(--black);
}

.result-box {
  background: var(--white);
  padding: 1.5rem;
  border-radius: 15px;
  border: 1px solid var(--border-color);
  margin-top: 1rem;
}

.result-box p {
  margin: 0.5rem 0;
}

.progress-wrap {
  margin-top: 1.5rem;
}

.progress-wrap p {
  margin-bottom: 0.5rem;
  font-weight: 600;
}

.progress-track {
  width: 100%;
  height: 15px;
  background: rgba(0, 0, 0, 0.1);
  border-radius: 50px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  width: 0%;
  background: var(--black);
  transition: width 0.5s ease;
}

.site-footer {
  background: var(--black);
  color: var(--white);
  margin-top: auto;
  padding: 1.5rem 1rem;
  text-align: center;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.footer-copy {
  margin: 0;
  font-size: 0.9rem;
}

.fade-in {
  animation: fadeUp 0.6s ease;
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.workout-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
}

.workout-card {
  background: var(--white);
  padding: 1.5rem;
  border-radius: 15px;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow);
  transition: transform 0.3s;
}

.workout-card:hover {
  transform: translateY(-5px);
}

.workout-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.workout-card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.3rem;
}

.workout-card p {
  color: var(--text-light);
  margin: 0 0 1rem;
}

.workout-meta {
  display: flex;
  gap: 1rem;
  font-size: 0.9rem;
  color: var(--text-light);
}

.progress-summary {
  margin-bottom: 2rem;
}

.summary-card {
  background: linear-gradient(135deg, #f5f0e6, #fff);
  padding: 2rem;
  border-radius: 15px;
  border: 1px solid var(--border-color);
  text-align: center;
}

.summary-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.summary-card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.5rem;
}

.summary-card p {
  margin: 0;
  color: var(--text-light);
}

.goal-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.goal-item {
  background: var(--white);
  padding: 1.5rem;
  border-radius: 15px;
  border: 1px solid var(--border-color);
}

.goal-info {
  display: flex;
  justify-content: space-between;
  margin-bottom: 0.75rem;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.goal-info strong {
  font-size: 1.1rem;
}

.goal-info span {
  color: var(--text-light);
  font-size: 0.9rem;
}

.goal-bar {
  width: 100%;
  height: 12px;
  background: rgba(0, 0, 0, 0.1);
  border-radius: 50px;
  overflow: hidden;
}

.goal-progress {
  height: 100%;
  background: var(--black);
  border-radius: 50px;
  transition: width 0.5s ease;
}

.achievement-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
}

.achievement-card {
  background: var(--white);
  padding: 1.5rem;
  border-radius: 15px;
  border: 1px solid var(--border-color);
  text-align: center;
  transition: transform 0.3s;
}

.achievement-card:hover {
  transform: translateY(-5px);
}

.achievement-badge {
  font-size: 3rem;
  margin-bottom: 0.75rem;
}

.achievement-card h4 {
  margin: 0 0 0.5rem;
  font-size: 1.2rem;
}

.achievement-card p {
  margin: 0;
  color: var(--text-light);
  font-size: 0.9rem;
}

.tips-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
}

.tip-card {
  background: var(--white);
  padding: 1.5rem;
  border-radius: 15px;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow);
  transition: transform 0.3s;
}

.tip-card:hover {
  transform: translateY(-5px);
}

.tip-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.tip-card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.2rem;
}

.tip-card p {
  margin: 0;
  color: var(--text-light);
  line-height: 1.6;
}

.feature-item {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.muted {
  color: var(--text-light);
}

@media (max-width: 768px) {
  .nav-toggle {
    display: block;
  }

  .nav-links {
    width: 100%;
    flex-direction: column;
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition: max-height 0.3s, opacity 0.3s;
  }

  .nav-links.is-open {
    max-height: 500px;
    opacity: 1;
    margin-top: 1rem;
  }

  .nav-links a {
    width: 100%;
    padding: 1rem;
    text-align: left;
  }

  .page {
    padding: 1rem 1rem 2rem;
  }

  .hero {
    padding: 1.5rem;
  }

  .hero-content h1 {
    font-size: 1.8rem;
  }

  .hero-content p {
    font-size: 1rem;
  }

  .name-row {
    flex-direction: column;
  }

  .name-row input {
    width: 100%;
    min-width: 100%;
  }

  .btn {
    width: 100%;
  }

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

  .section-title {
    font-size: 1.6rem;
  }

  .section-header h2 {
    font-size: 1.5rem;
  }

  .panel {
    padding: 1.5rem;
  }

  .hero-image {
    min-height: 250px;
  }

  .brand {
    font-size: 1.2rem;
  }

  .logo-icon {
    width: 24px;
    height: 24px;
  }
}

@media (min-width: 768px) {
  .hero {
    grid-template-columns: 1fr 1fr;
    align-items: center;
  }

  .page-intro {
    grid-template-columns: 1.2fr 0.8fr;
  }

  .stats-grid {
    grid-template-columns: repeat(3, 1fr);
  }

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

  .note-grid {
    grid-template-columns: repeat(3, 1fr);
  }

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

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

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

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

  .achievement-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1024px) {
  .feature-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .nutrition-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .hero-image {
    min-height: 400px;
  }

  .workout-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .tips-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}