/* ============================================================
   ROOT N RISE — STYLESHEET
   Mobile-first, single-page static site
   ============================================================ */

/* ============================================================
   1. GOOGLE FONTS (loaded in HTML <head>)
   ============================================================ */

/* ============================================================
   2. CSS CUSTOM PROPERTIES (Design Tokens)
   ============================================================ */
:root {
  /* Colors */
  --color-primary:         #2D5016;
  --color-primary-light:   #3A6B1E;
  --color-primary-pale:    #eaf1e4;
  --color-secondary:       #C4A76C;
  --color-secondary-light: #D4BC8A;
  --color-dark:            #2B2B2B;
  --color-bg:              #FAFAF5;
  --color-bg-alt:          #F3EFE7;
  --color-white:           #FFFFFF;
  --color-muted:           #6B6B6B;
  --color-border:          #E8E4DB;

  /* Typography */
  --font-heading: 'Playfair Display', Georgia, 'Times New Roman', serif;
  --font-body:    'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  /* Font sizes (fluid) */
  --fs-xs:   0.75rem;   /* 12px */
  --fs-sm:   0.875rem;  /* 14px */
  --fs-base: 1rem;      /* 16px */
  --fs-md:   1.125rem;  /* 18px */
  --fs-lg:   1.375rem;  /* 22px */
  --fs-xl:   1.75rem;   /* 28px */
  --fs-2xl:  2.25rem;   /* 36px */
  --fs-3xl:  3rem;      /* 48px */

  /* Spacing */
  --space-xs:  0.5rem;
  --space-sm:  1rem;
  --space-md:  1.5rem;
  --space-lg:  2rem;
  --space-xl:  3rem;
  --space-2xl: 4rem;
  --space-3xl: 6rem;

  /* Layout */
  --max-width:       1100px;
  --nav-height:      72px;
  --border-radius:   8px;
  --border-radius-lg:16px;

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.08), 0 2px 6px rgba(0,0,0,0.04);
  --shadow-lg: 0 8px 30px rgba(0,0,0,0.12), 0 4px 10px rgba(0,0,0,0.06);
}

/* ============================================================
   3. RESET & BASE
   ============================================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-height);
}

body {
  font-family: var(--font-body);
  font-size: var(--fs-base);
  font-weight: 400;
  line-height: 1.7;
  color: var(--color-dark);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

ul {
  list-style: none;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
}

/* ============================================================
   4. UTILITY CLASSES
   ============================================================ */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--space-sm);
}

/* ============================================================
   5. SCROLL FADE-IN ANIMATION
   ============================================================ */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger children */
.fade-in:nth-child(2) { transition-delay: 0.1s; }
.fade-in:nth-child(3) { transition-delay: 0.2s; }
.fade-in:nth-child(4) { transition-delay: 0.3s; }
.fade-in:nth-child(5) { transition-delay: 0.4s; }

/* ============================================================
   6. BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.875rem 2.25rem;
  border-radius: var(--border-radius);
  font-family: var(--font-body);
  font-size: var(--fs-sm);
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  transition: background-color var(--transition-base),
              color var(--transition-base),
              transform var(--transition-fast),
              box-shadow var(--transition-base);
  cursor: pointer;
}

.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-white);
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background-color: var(--color-primary-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: var(--shadow-sm);
}

.btn-primary:focus-visible {
  outline: 3px solid var(--color-secondary);
  outline-offset: 3px;
}

/* ============================================================
   7. NAVIGATION
   ============================================================ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--nav-height);
  background-color: rgba(250, 250, 245, 0.92);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition-base),
              box-shadow var(--transition-base),
              background-color var(--transition-base);
}

.site-header.scrolled {
  border-color: var(--color-border);
  box-shadow: var(--shadow-sm);
  background-color: rgba(250, 250, 245, 0.97);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--space-sm);
}

/* Logo */
.nav-logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.nav-logo-img {
  height: 44px;
  width: auto;
}

/* Desktop nav links */
.nav-links {
  display: none;
  gap: var(--space-lg);
  align-items: center;
}

.nav-link {
  font-family: var(--font-body);
  font-size: var(--fs-sm);
  font-weight: 500;
  letter-spacing: 0.03em;
  color: var(--color-muted);
  transition: color var(--transition-fast);
  position: relative;
  padding-block: 0.25rem;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 1.5px;
  background-color: var(--color-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-base);
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-primary);
}

.nav-link:hover::after,
.nav-link.active::after {
  transform: scaleX(1);
}

/* CTA nav link */
.nav-link-cta {
  padding: 0.5rem 1.25rem;
  background-color: var(--color-primary);
  color: var(--color-white) !important;
  border-radius: var(--border-radius);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-size: var(--fs-xs);
  transition: background-color var(--transition-base),
              transform var(--transition-fast),
              box-shadow var(--transition-base);
}

.nav-link-cta::after {
  display: none;
}

.nav-link-cta:hover {
  background-color: var(--color-primary-light);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

/* Hamburger */
.hamburger {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 0.5rem;
  border-radius: 4px;
  transition: background-color var(--transition-fast);
}

.hamburger:hover {
  background-color: var(--color-bg-alt);
}

.hamburger-bar {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-dark);
  border-radius: 2px;
  transition: transform var(--transition-base),
              opacity var(--transition-base);
  transform-origin: center;
}

/* Hamburger open state */
.hamburger[aria-expanded="true"] .hamburger-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.hamburger[aria-expanded="true"] .hamburger-bar:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.hamburger[aria-expanded="true"] .hamburger-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile nav menu (slide down) */
.nav-links.nav-open {
  display: flex;
  flex-direction: column;
  position: absolute;
  top: var(--nav-height);
  left: 0;
  right: 0;
  background-color: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-md) var(--space-sm) var(--space-lg);
  gap: var(--space-md);
  box-shadow: var(--shadow-md);
  animation: slideDown 0.3s ease;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.nav-links.nav-open .nav-link {
  font-size: var(--fs-md);
  color: var(--color-dark);
}

.nav-links.nav-open .nav-link-cta {
  display: inline-flex;
  align-self: flex-start;
  font-size: var(--fs-sm);
}

/* ============================================================
   8. SECTION BASE
   ============================================================ */
.section {
  padding-block: var(--space-3xl);
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-2xl);
}

.section-title {
  font-family: var(--font-heading);
  font-size: var(--fs-2xl);
  font-weight: 600;
  color: var(--color-dark);
  line-height: 1.25;
  letter-spacing: -0.01em;
  margin-bottom: var(--space-sm);
}

.section-divider {
  width: 48px;
  height: 2px;
  background-color: var(--color-secondary);
  margin-inline: auto;
  border-radius: 2px;
}

/* ============================================================
   9. HERO SECTION
   ============================================================ */
.hero-section {
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-bg);
  padding-top: calc(var(--nav-height) + var(--space-xl));
  padding-inline: var(--space-sm);
}

.hero-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--space-lg);
  max-width: 680px;
}

.hero-logo-link {
  display: block;
}

.hero-logo {
  width: 160px;
  height: auto;
  margin-inline: auto;
  /* Subtle entrance scale */
  transition: transform var(--transition-slow);
}

.hero-logo:hover {
  transform: scale(1.03);
}

.hero-headline {
  font-family: var(--font-heading);
  font-size: clamp(var(--fs-xl), 4vw, var(--fs-3xl));
  font-weight: 600;
  color: var(--color-dark);
  line-height: 1.25;
  letter-spacing: -0.02em;
}

/* Emphasize "stronger presence" with brand green */
.hero-headline em {
  font-style: italic;
  color: var(--color-primary);
}

/* ============================================================
   10. SERVICES SECTION
   ============================================================ */
.services-section {
  background-color: var(--color-bg-alt);
}

.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
}

.service-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  padding: var(--space-lg) var(--space-md);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base),
              box-shadow var(--transition-base),
              border-color var(--transition-base);
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-secondary);
}

.service-title {
  font-family: var(--font-heading);
  font-size: var(--fs-lg);
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
  line-height: 1.3;
}

.service-description {
  font-size: var(--fs-base);
  color: var(--color-muted);
  line-height: 1.75;
}

/* ============================================================
   11. ABOUT SECTION
   ============================================================ */
.about-section {
  background-color: var(--color-bg);
}

.about-inner {
  max-width: 720px;
  margin-inline: auto;
  text-align: center;
}

.about-copy {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.about-copy p {
  font-size: var(--fs-md);
  color: var(--color-dark);
  line-height: 1.8;
}

/* ============================================================
   12. CONTACT SECTION
   ============================================================ */
.contact-section {
  background-color: var(--color-bg-alt);
}

.contact-inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-2xl);
  max-width: 900px;
  margin-inline: auto;
}

.contact-intro {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.contact-intro p {
  font-size: var(--fs-md);
  color: var(--color-dark);
  line-height: 1.8;
}

.contact-email {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding-top: var(--space-sm);
  border-top: 1px solid var(--color-border);
}

.contact-email-label {
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-secondary);
}

.contact-email-link {
  font-size: var(--fs-md);
  font-weight: 500;
  color: var(--color-primary);
  transition: color var(--transition-fast);
  word-break: break-all;
}

.contact-email-link:hover {
  color: var(--color-primary-light);
}

/* Contact Form */
.contact-form-wrap {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--shadow-md);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-bottom: var(--space-md);
}

.form-label {
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--color-dark);
  letter-spacing: 0.01em;
}

.form-input {
  font-family: var(--font-body);
  font-size: var(--fs-base);
  color: var(--color-dark);
  background-color: var(--color-bg);
  border: 1.5px solid var(--color-border);
  border-radius: var(--border-radius);
  padding: 0.75rem 1rem;
  width: 100%;
  transition: border-color var(--transition-fast),
              box-shadow var(--transition-fast);
  outline: none;
  -webkit-appearance: none;
  appearance: none;
}

.form-input::placeholder {
  color: #B0ACAA;
}

.form-input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(45, 80, 22, 0.12);
}

.form-input.error {
  border-color: #c0392b;
  box-shadow: 0 0 0 3px rgba(192, 57, 43, 0.1);
}

.form-textarea {
  resize: vertical;
  min-height: 130px;
}

.form-error {
  font-size: var(--fs-xs);
  color: #c0392b;
  min-height: 1em;
  transition: opacity var(--transition-fast);
}

.btn-submit {
  width: 100%;
  padding: 1rem;
  font-size: var(--fs-sm);
  margin-top: var(--space-xs);
}

.btn-submit:disabled {
  opacity: 0.65;
  cursor: not-allowed;
  transform: none;
}

/* Success / Error states */
.form-success,
.form-error-state {
  text-align: center;
  padding: var(--space-xl) var(--space-md);
}

.form-success p {
  font-family: var(--font-heading);
  font-size: var(--fs-xl);
  color: var(--color-primary);
}

.form-error-state p {
  font-size: var(--fs-md);
  color: var(--color-dark);
}

.form-error-state a {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ============================================================
   13. FOOTER
   ============================================================ */
.site-footer {
  background-color: var(--color-dark);
  padding-block: var(--space-lg);
  text-align: center;
}

.footer-copy {
  font-size: var(--fs-sm);
  color: var(--color-muted);
  letter-spacing: 0.02em;
}

/* ============================================================
   14. RESPONSIVE — TABLET (768px+)
   ============================================================ */
@media (min-width: 768px) {
  /* Nav: show links, hide hamburger */
  .nav-links {
    display: flex;
  }
  .hamburger {
    display: none;
  }

  /* Container padding */
  .container {
    padding-inline: var(--space-lg);
  }

  /* Hero */
  .hero-logo {
    width: 190px;
  }

  /* Services grid: 2 columns */
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
  }

  /* Contact: side by side */
  .contact-inner {
    flex-direction: row;
    align-items: flex-start;
    gap: var(--space-3xl);
  }

  .contact-intro {
    flex: 0 0 280px;
    padding-top: var(--space-xs);
  }

  .contact-form-wrap {
    flex: 1;
    padding: var(--space-xl);
  }

  /* Section title larger */
  .section-title {
    font-size: var(--fs-2xl);
  }
}

/* ============================================================
   15. RESPONSIVE — DESKTOP (1024px+)
   ============================================================ */
@media (min-width: 1024px) {
  /* Services: 3-column layout (3 on top, 2 centered below) */
  .services-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  /* The 4th and 5th cards center-align in the last row */
  .service-card:nth-child(4) {
    grid-column: 1 / 2;
    justify-self: end;
    max-width: 380px;
    width: 100%;
  }

  .service-card:nth-child(5) {
    grid-column: 2 / 3;
    justify-self: start;
    max-width: 380px;
    width: 100%;
  }

  /* Hero logo larger */
  .hero-logo {
    width: 220px;
  }

  /* Nav container padding */
  .nav-container {
    padding-inline: var(--space-lg);
  }

  /* Section padding */
  .section {
    padding-block: calc(var(--space-3xl) * 1.1);
  }
}

/* ============================================================
   16. RESPONSIVE — LARGE DESKTOP (1280px+)
   ============================================================ */
@media (min-width: 1280px) {
  .container {
    padding-inline: var(--space-xl);
  }
}

/* ============================================================
   17. PREFERS REDUCED MOTION (Accessibility)
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .fade-in {
    opacity: 1;
    transform: none;
    transition: none;
  }
}
