/* ============================================================
   Inclusive Tutoring — Global Stylesheet
   Serene Nurture visual system · mobile-first · no frameworks
   ============================================================ */

:root {
  /* Serene Nurture colors */
  --color-primary: #447065;
  --color-primary-dark: #2b574d;
  --color-primary-deep: #1b3834;
  --color-secondary: #47645f;
  --color-secondary-light: #e8f0ec;
  --color-secondary-soft: #c6e6e0;
  --color-accent: #d9822b;
  --color-accent-dark: #c57222;
  --color-neutral-warm: #faf8f5;
  --color-neutral-sand: #f3efea;
  --color-neutral-mid: #e4e2df;
  --color-text-primary: #1b1c1a;
  --color-text-secondary: #404846;
  --color-footer-bg: #1b3834;
  --color-white: #ffffff;
  --color-border: rgba(27, 56, 52, 0.08);
  --color-shadow: rgba(27, 56, 52, 0.06);

  /* Typography */
  --font-heading: 'Merriweather', Georgia, serif;
  --font-body: 'Plus Jakarta Sans', system-ui, sans-serif;

  /* Spacing — roomier than before */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2.5rem;
  --space-2xl: 4rem;
  --space-3xl: 6rem;
  --radius: 0.75rem;
  --radius-lg: 1rem;
  --max-width: 1120px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body,
h1, h2, h3, h4, h5, h6,
p,
ul,
ol {
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.65;
  background: var(--color-neutral-warm);
  color: var(--color-text-primary);
  -webkit-font-smoothing: antialiased;
}

h1 {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 400;
  line-height: 1.25;
  letter-spacing: -0.02em;
}

h2 {
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 400;
  line-height: 1.3;
  letter-spacing: -0.015em;
}

h3 {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 700;
  line-height: 1.4;
}

/* ============================================================
   Layout
   ============================================================ */

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.75rem;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-xl);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

.section-padding {
  padding: var(--space-3xl) 0;
}

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

/* ============================================================
   Navbar
   ============================================================ */

.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(251, 249, 246, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 8px var(--color-shadow);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
  padding: 1.1rem 2rem;
}

.navbar-brand {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  text-decoration: none;
  letter-spacing: -0.01em;
  flex-shrink: 0;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 1.75rem;
  align-items: center;
}

.nav-links a {
  color: var(--color-text-secondary);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9rem;
  padding-bottom: 3px;
  transition: color 0.2s;
}

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

.nav-links a.active {
  color: var(--color-primary-dark);
  border-bottom: 2px solid var(--color-primary);
}

.btn-cta {
  background: var(--color-accent);
  color: var(--color-white);
  padding: 0.7rem 1.35rem;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none;
  transition: background 0.2s;
  flex-shrink: 0;
  white-space: nowrap;
}

.btn-cta:hover {
  background: var(--color-accent-dark);
}

.hamburger {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--color-text-primary);
  padding: 0.25rem;
}

@media (max-width: 900px) {
  .hamburger {
    display: block;
  }

  .nav-links {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-neutral-warm);
    padding: 1.25rem 2rem 1.75rem;
    box-shadow: 0 8px 24px var(--color-shadow);
    gap: 1.1rem;
    align-items: flex-start;
  }

  body.nav-open .nav-links {
    display: flex;
  }

  .btn-cta {
    display: none;
  }
}

/* ============================================================
   Footer
   ============================================================ */

footer {
  background: var(--color-footer-bg);
  color: var(--color-white);
  padding: var(--space-2xl) 0 var(--space-xl);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-xl);
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.75rem;
}

.footer-brand {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.65rem;
}

.footer-tagline {
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.95rem;
  line-height: 1.6;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 0.55rem;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  font-size: 0.95rem;
}

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

.footer-bottom {
  text-align: center;
  margin-top: var(--space-xl);
  padding-top: var(--space-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  color: rgba(255, 255, 255, 0.55);
  font-size: 0.85rem;
}

.footer-bottom p + p {
  margin-top: 0.35rem;
}

@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
}

/* ============================================================
   Buttons
   ============================================================ */

.btn-primary {
  display: inline-block;
  background: var(--color-accent);
  color: var(--color-white);
  padding: 0.95rem 1.85rem;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: background 0.2s, transform 0.15s;
}

.btn-primary:hover {
  background: var(--color-accent-dark);
}

.btn-secondary {
  display: inline-block;
  background: var(--color-primary);
  color: var(--color-white);
  padding: 0.95rem 1.85rem;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: background 0.2s;
}

.btn-secondary:hover {
  background: var(--color-primary-dark);
}

.btn-outline {
  display: inline-block;
  background: transparent;
  color: var(--color-primary-dark);
  border: 1.5px solid rgba(27, 56, 52, 0.25);
  padding: 0.9rem 1.75rem;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s, color 0.2s;
}

.btn-outline:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-white);
}

/* ============================================================
   Hero (Home)
   ============================================================ */

.hero {
  min-height: 560px;
  background-image: url('../images/header.png');
  background-size: cover;
  background-position: center calc(50% + 110px);
  position: relative;
  display: flex;
  align-items: center;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    105deg,
    rgba(27, 56, 52, 0.78) 0%,
    rgba(27, 56, 52, 0.55) 55%,
    rgba(27, 56, 52, 0.35) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 680px;
  padding: var(--space-2xl) 2rem;
  color: var(--color-white);
}

.hero-content h1 {
  color: var(--color-white);
  margin-bottom: 1.25rem;
}

.hero-content p {
  font-size: 1.15rem;
  line-height: 1.7;
  margin-bottom: 2rem;
  color: rgba(255, 255, 255, 0.92);
  max-width: 34em;
}

@media (max-width: 768px) {
  .hero {
    min-height: 480px;
  }

  .hero-content {
    padding: var(--space-xl) 1.5rem;
  }
}

/* ============================================================
   Page hero
   ============================================================ */

.page-hero {
  background: var(--color-secondary-light);
  padding: var(--space-2xl) 0;
  text-align: center;
}

.page-hero h1 {
  color: var(--color-primary-deep);
}

.page-hero p {
  color: var(--color-text-secondary);
  font-size: 1.1rem;
  margin-top: 0.85rem;
  max-width: 36em;
  margin-left: auto;
  margin-right: auto;
}

.section-title {
  text-align: center;
  margin-bottom: var(--space-xl);
  color: var(--color-primary-deep);
}

/* ============================================================
   Why Inclusive Tutoring
   ============================================================ */

.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

@media (max-width: 768px) {
  .why-grid {
    grid-template-columns: 1fr;
  }
}

.why-card {
  text-align: center;
  padding: var(--space-xl) var(--space-lg);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.why-card .icon {
  font-size: 2.25rem;
  margin-bottom: 1.15rem;
  line-height: 1;
}

.why-card h3 {
  margin-bottom: 0.85rem;
  color: var(--color-primary-deep);
}

.why-card p {
  color: var(--color-text-secondary);
  font-size: 0.98rem;
  line-height: 1.7;
}

/* ============================================================
   Services
   ============================================================ */

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

.service-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  border: 1px solid var(--color-border);
  border-top: 3px solid var(--color-primary);
  box-shadow: 0 4px 16px -4px var(--color-shadow);
  transition: transform 0.2s, box-shadow 0.2s;
}

.service-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 28px -6px rgba(27, 56, 52, 0.1);
}

.service-icon {
  width: 48px;
  height: 48px;
  margin-bottom: 1.25rem;
}

.service-card h3,
.service-name {
  color: var(--color-primary-deep);
  margin-bottom: 0.85rem;
}

.service-card p,
.service-description {
  color: var(--color-text-secondary);
  font-size: 0.98rem;
  line-height: 1.7;
}

@media (max-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .services-grid {
    grid-template-columns: 1fr;
  }
}

/* ============================================================
   About preview / headshot
   ============================================================ */

.about-preview {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: var(--space-2xl);
  align-items: center;
}

@media (max-width: 768px) {
  .about-preview {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }
}

.headshot-placeholder {
  width: 100%;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
}

/* ============================================================
   Trust + CTA
   ============================================================ */

.trust-section {
  background: var(--color-secondary-light);
  padding: var(--space-3xl) 0;
  text-align: center;
}

.trust-section h2 {
  color: var(--color-primary-deep);
  margin-bottom: 1.25rem;
}

.trust-section p {
  max-width: 700px;
  margin: 0 auto;
  color: var(--color-text-secondary);
  font-size: 1.08rem;
  line-height: 1.75;
}

.cta-section {
  background: var(--color-primary-deep);
  color: var(--color-white);
  padding: var(--space-3xl) 0;
  text-align: center;
}

.cta-section h2 {
  color: var(--color-white);
  margin-bottom: 1rem;
}

.cta-section p {
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 2rem;
  max-width: 34em;
  margin-left: auto;
  margin-right: auto;
  font-size: 1.05rem;
  line-height: 1.7;
}

.cta-section .btn-primary {
  background: var(--color-accent);
  color: var(--color-white);
}

.cta-section .btn-primary:hover {
  background: var(--color-accent-dark);
}

/* ============================================================
   Blog
   ============================================================ */

.blog-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
}

.blog-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 2rem;
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-primary);
  box-shadow: 0 4px 14px -4px var(--color-shadow);
}

.blog-card h3 {
  margin-bottom: 0.85rem;
  color: var(--color-primary-deep);
}

.blog-card p {
  color: var(--color-text-secondary);
  font-size: 0.98rem;
  margin-bottom: 1.25rem;
  line-height: 1.7;
}

.blog-card .read-more {
  color: var(--color-primary);
  font-weight: 600;
  text-decoration: none;
}

.blog-card .read-more:hover {
  color: var(--color-primary-dark);
  text-decoration: underline;
}

@media (max-width: 768px) {
  .blog-grid {
    grid-template-columns: 1fr;
  }
}

/* ============================================================
   How It Works
   ============================================================ */

.how-it-works-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
}

@media (max-width: 768px) {
  .how-it-works-grid {
    grid-template-columns: 1fr;
  }
}

.step-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  border: 1px solid var(--color-border);
  box-shadow: 0 4px 14px -4px var(--color-shadow);
}

.step-number {
  font-family: var(--font-heading);
  font-size: 2.75rem;
  font-weight: 400;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: 0.75rem;
}

.step-card h3 {
  margin-bottom: 0.65rem;
  color: var(--color-primary-deep);
}

.step-card p {
  color: var(--color-text-secondary);
  font-size: 0.98rem;
  margin-bottom: 1rem;
  line-height: 1.7;
}

.step-outcome {
  display: inline-block;
  background: var(--color-secondary-light);
  color: var(--color-primary-deep);
  padding: 0.4rem 0.9rem;
  border-radius: 9999px;
  font-size: 0.85rem;
  font-weight: 600;
}

/* ============================================================
   Contact
   ============================================================ */

.contact-form label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.45rem;
  color: var(--color-text-primary);
  font-size: 0.95rem;
}

.contact-form input,
.contact-form textarea,
.contact-form select {
  width: 100%;
  padding: 0.9rem 1.1rem;
  border: 1px solid rgba(27, 56, 52, 0.15);
  border-radius: 10px;
  font-family: var(--font-body);
  font-size: 1rem;
  background: var(--color-white);
  color: var(--color-text-primary);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.contact-form input:focus,
.contact-form textarea:focus,
.contact-form select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px rgba(68, 112, 101, 0.15);
}

.contact-form .form-group {
  margin-bottom: 1.4rem;
}

.contact-form input.error,
.contact-form textarea.error {
  border-color: #ba1a1a;
}

.error-message {
  color: #ba1a1a;
  font-size: 0.85rem;
  margin-top: 0.35rem;
  display: block;
}

.confirmation-message {
  display: none;
  background: var(--color-secondary-light);
  border-left: 4px solid var(--color-primary);
  padding: 1.75rem;
  border-radius: var(--radius);
  color: var(--color-text-primary);
}

.confirmation-message.visible {
  display: block;
}

.contact-info-card {
  background: var(--color-secondary-light);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  border: 1px solid var(--color-border);
}

.contact-info-card h3 {
  margin-bottom: 1rem;
  color: var(--color-primary-deep);
}

.contact-info-card p {
  color: var(--color-text-secondary);
  margin-bottom: 0.85rem;
  line-height: 1.7;
}

.contact-info-card a {
  color: var(--color-primary);
  font-weight: 600;
}

/* ============================================================
   Resources
   ============================================================ */

.resource-category {
  margin-bottom: var(--space-2xl);
}

.resource-category h2 {
  color: var(--color-primary-deep);
  margin-bottom: var(--space-lg);
  padding-bottom: 0.65rem;
  border-bottom: 2px solid var(--color-secondary-soft);
}

.resource-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 1.85rem;
  border: 1px solid var(--color-border);
  box-shadow: 0 4px 14px -4px var(--color-shadow);
  margin-bottom: 1.1rem;
}

.resource-card h3 {
  margin-bottom: 0.55rem;
  color: var(--color-primary-deep);
}

.resource-card p {
  color: var(--color-text-secondary);
  font-size: 0.98rem;
  margin-bottom: 1rem;
  line-height: 1.7;
}

.resource-card a {
  color: var(--color-primary);
  font-weight: 600;
}

/* ============================================================
   Credentials / Strengths / Forms
   ============================================================ */

.credentials-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
}

@media (max-width: 768px) {
  .credentials-grid {
    grid-template-columns: 1fr;
  }
}

.credential-card {
  background: var(--color-white);
  border-radius: var(--radius);
  padding: 1.65rem;
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-primary);
  box-shadow: 0 2px 10px -2px var(--color-shadow);
}

.credential-card h3 {
  font-size: 1rem;
  margin-bottom: 0.35rem;
  color: var(--color-primary-deep);
}

.credential-card p {
  color: var(--color-text-secondary);
  font-size: 0.88rem;
  line-height: 1.55;
}

.strengths-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
}

@media (max-width: 768px) {
  .strengths-grid {
    grid-template-columns: 1fr;
  }
}

.strength-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 1.85rem;
  border: 1px solid var(--color-border);
}

.strength-card h3 {
  margin-bottom: 0.65rem;
  color: var(--color-primary-deep);
}

.strength-card p {
  color: var(--color-text-secondary);
  font-size: 0.98rem;
  line-height: 1.7;
}

.forms-list {
  list-style: none;
}

.forms-list li {
  display: flex;
  align-items: center;
  gap: 1.15rem;
  padding: 1.25rem 1.35rem;
  background: var(--color-white);
  border-radius: var(--radius);
  margin-bottom: 0.85rem;
  border: 1px solid var(--color-border);
  box-shadow: 0 2px 10px -2px var(--color-shadow);
}

.forms-list .form-icon {
  font-size: 1.5rem;
}