/* ============================================
   SAGEWAVE WEB DESIGN
   styles.css — Global styles, variables, resets
   ============================================ */

/* ----------------------------------------
   1. BRAND VARIABLES
----------------------- ----------------- */
:root {
  /* Brand palette */
  --sage:    #6B9470;
  --deep:    #1C2924;
  --cream:   #F4EFE6;
  --warm:    #B8966E;
  --stone:   #8A8D87;

  /* Functional aliases */
  --color-bg:           var(--cream);
  --color-bg-dark:      var(--deep);
  --color-bg-sage:      var(--sage);
  --color-bg-warm:      var(--warm);
  --color-text-primary: var(--deep);
  --color-text-light:   var(--cream);
  --color-text-muted:   var(--stone);
  --color-accent:       var(--sage);
  --color-accent-warm:  var(--warm);
  --color-border:       rgba(28, 41, 36, 0.12);
  --color-border-sage:  rgba(107, 148, 112, 0.3);

  /* Typography */
  --font-logo:   'Cascadia Code', 'Courier New', monospace;
  --font-body:   'DM Sans', sans-serif;
  --font-mono:   'Cascadia Code', monospace;

  /* Font sizes */
  --text-xs:   0.75rem;   /* 12px */
  --text-sm:   0.875rem;  /* 14px */
  --text-base: 1rem;      /* 16px */
  --text-md:   1.125rem;  /* 18px */
  --text-lg:   1.25rem;   /* 20px */
  --text-xl:   1.5rem;    /* 24px */
  --text-2xl:  2rem;      /* 32px */
  --text-3xl:  2.5rem;    /* 40px */
  --text-4xl:  3rem;      /* 48px */
  --text-5xl:  3.75rem;   /* 60px */

  /* Spacing */
  --space-xs:   0.25rem;
  --space-sm:   0.5rem;
  --space-md:   1rem;
  --space-lg:   1.5rem;
  --space-xl:   2rem;
  --space-2xl:  3rem;
  --space-3xl:  4rem;
  --space-4xl:  6rem;

  /* Layout */
  --container-max:   1200px;
  --container-wide:  1440px;
  --container-narrow: 720px;

  /* Borders & radius */
  --radius-sm:   4px;
  --radius-md:   8px;
  --radius-lg:   12px;
  --radius-xl:   20px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm:  0 1px 3px rgba(28, 41, 36, 0.08);
  --shadow-md:  0 4px 16px rgba(28, 41, 36, 0.10);
  --shadow-lg:  0 8px 32px rgba(28, 41, 36, 0.12);

  /* Transitions */
  --transition-fast:   150ms ease;
  --transition-base:   250ms ease;
  --transition-slow:   400ms ease;

  /* Nav height (used for scroll offset) */
  --nav-height: 72px;
}


/* ----------------------------------------
   2. GOOGLE FONTS IMPORT
   DM Sans — body font
   Cascadia Code loaded via @font-face below
---------------------------------------- */
@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;1,9..40,400&display=swap');


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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

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

img, svg {
  display: block;
  max-width: 100%;
}

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

ul, ol {
  list-style: none;
}

button {
  cursor: pointer;
  font-family: var(--font-body);
  border: none;
  background: none;
}

input, textarea, select {
  font-family: var(--font-body);
  font-size: var(--text-base);
}


/* ----------------------------------------
   4. TYPOGRAPHY
---------------------------------------- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-body);
  font-weight: 600;
  line-height: 1.2;
  color: var(--color-text-primary);
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(var(--text-3xl), 5vw, var(--text-5xl)); }
h2 { font-size: clamp(var(--text-2xl), 3.5vw, var(--text-3xl)); }
h3 { font-size: clamp(var(--text-xl), 2.5vw, var(--text-2xl)); }
h4 { font-size: var(--text-lg); }
h5 { font-size: var(--text-md); }
h6 { font-size: var(--text-base); }

p {
  line-height: 1.75;
  color: var(--color-text-primary);
}

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

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

.text-sage {
  color: var(--sage);
}

.text-warm {
  color: var(--warm);
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 400;
  letter-spacing: 0.08em;
  text-transform: lowercase;
  color: var(--sage);
}

.lead {
  font-size: var(--text-md);
  font-weight: 300;
  line-height: 1.8;
  color: var(--stone);
}

/* Logo type */
.logo-text {
  font-family: var(--font-logo);
  font-weight: 700;
  font-size: var(--text-xl);
  color: var(--deep);
  letter-spacing: -0.01em;
}

.logo-sub {
  font-family: var(--font-logo);
  font-weight: 400;
  font-size: var(--text-sm);
  color: var(--sage);
  letter-spacing: 0.12em;
}


/* ----------------------------------------
   5. LAYOUT UTILITIES
---------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--space-xl);
}

.container--wide {
  max-width: var(--container-wide);
  padding-inline: var(--space-xl);
  margin-inline: auto;
}

.container--narrow {
  max-width: var(--container-narrow);
  margin-inline: auto;
  padding-inline: var(--space-xl);
}

.section {
  padding-block: var(--space-4xl);
}

.section--sm {
  padding-block: var(--space-2xl);
}

.section--lg {
  padding-block: calc(var(--space-4xl) * 1.5);
}

/* Section backgrounds */
.bg-cream  { background-color: var(--cream); }
.bg-deep   { background-color: var(--deep); }
.bg-sage   { background-color: var(--sage); }
.bg-warm   { background-color: var(--warm); }
.bg-white  { background-color: #ffffff; }
.bg-tinted { background-color: rgba(107, 148, 112, 0.06); }

/* Flex helpers */
.flex        { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between{ display: flex; align-items: center; justify-content: space-between; }
.flex-col    { display: flex; flex-direction: column; }
.gap-sm  { gap: var(--space-sm); }
.gap-md  { gap: var(--space-md); }
.gap-lg  { gap: var(--space-lg); }
.gap-xl  { gap: var(--space-xl); }

/* Grid helpers */
.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); }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-lg); }

/* Text alignment */
.text-center { text-align: center; }
.text-left   { text-align: left; }
.text-right  { text-align: right; }

/* Section header block — centered heading + subhead */
.section-header {
  text-align: center;
  max-width: 640px;
  margin-inline: auto;
  margin-bottom: var(--space-3xl);
}

.section-header .eyebrow {
  display: block;
  margin-bottom: var(--space-sm);
}

.section-header h2 {
  margin-bottom: var(--space-md);
}

.section-header p {
  color: var(--stone);
  font-size: var(--text-md);
}


/* ----------------------------------------
   6. BUTTONS
---------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 0.75rem 1.75rem;
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 500;
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
  white-space: nowrap;
  cursor: pointer;
  border: 2px solid transparent;
  line-height: 1;
}

/* Primary — sage green filled */
.btn-primary {
  background-color: var(--sage);
  color: var(--cream);
  border-color: var(--sage);
}

.btn-primary:hover {
  background-color: #5a7d5f;
  border-color: #5a7d5f;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

/* Secondary — outlined */
.btn-secondary {
  background-color: transparent;
  color: var(--deep);
  border-color: var(--deep);
}

.btn-secondary:hover {
  background-color: var(--deep);
  color: var(--cream);
  transform: translateY(-1px);
}

/* Ghost — light outline for dark backgrounds */
.btn-ghost {
  background-color: transparent;
  color: var(--cream);
  border-color: rgba(244, 239, 230, 0.5);
}

.btn-ghost:hover {
  background-color: rgba(244, 239, 230, 0.1);
  border-color: var(--cream);
}

/* Warm — accent button */
.btn-warm {
  background-color: var(--warm);
  color: var(--cream);
  border-color: var(--warm);
}

.btn-warm:hover {
  background-color: #a07d58;
  border-color: #a07d58;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

/* Small size modifier */
.btn-sm {
  padding: 0.5rem 1.25rem;
  font-size: var(--text-sm);
}

/* Large size modifier */
.btn-lg {
  padding: 1rem 2.25rem;
  font-size: var(--text-md);
}


/* ----------------------------------------
   7. CARDS
---------------------------------------- */
.card {
  background-color: #fff;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  padding: var(--space-xl);
  transition: box-shadow var(--transition-base), transform var(--transition-base);
}

.card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.card--sage {
  background-color: rgba(107, 148, 112, 0.06);
  border-color: var(--color-border-sage);
}

.card--deep {
  background-color: var(--deep);
  color: var(--cream);
  border-color: transparent;
}

.card--cream {
  background-color: var(--cream);
  border-color: var(--color-border);
}


/* ----------------------------------------
   8. TAGS / PILLS / BADGES
---------------------------------------- */
.tag {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.75rem;
  font-size: var(--text-xs);
  font-weight: 500;
  border-radius: var(--radius-full);
  background-color: rgba(107, 148, 112, 0.12);
  color: var(--sage);
  border: 1px solid rgba(107, 148, 112, 0.2);
  white-space: nowrap;
}

.tag--warm {
  background-color: rgba(184, 150, 110, 0.12);
  color: var(--warm);
  border-color: rgba(184, 150, 110, 0.2);
}

.tag--stone {
  background-color: rgba(138, 141, 135, 0.1);
  color: var(--stone);
  border-color: rgba(138, 141, 135, 0.2);
}

.tag--dark {
  background-color: rgba(28, 41, 36, 0.08);
  color: var(--deep);
  border-color: rgba(28, 41, 36, 0.15);
}


/* ----------------------------------------
   9. DIVIDERS
---------------------------------------- */
.divider {
  border: none;
  border-top: 1px solid var(--color-border);
  margin-block: var(--space-xl);
}

.divider--sage {
  border-top-color: var(--color-border-sage);
}


/* ----------------------------------------
   10. SAGE LEAF ICON (temporary logo icon)
   SVG inline — replace with final icon
---------------------------------------- */
.sage-leaf {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.sage-leaf svg {
  width: 32px;
  height: 32px;
}


/* ----------------------------------------
   11. NAVIGATION
---------------------------------------- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--nav-height);
  background-color: rgba(244, 239, 230, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  transition: box-shadow var(--transition-base);
}

.nav.scrolled {
  box-shadow: var(--shadow-sm);
}

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

.nav__logo {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
  gap: 2px;
  text-decoration: none;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
  list-style: none;
}

.nav__links a {
  font-size: var(--text-sm);
  font-weight: 400;
  color: var(--stone);
  transition: color var(--transition-fast);
  position: relative;
}

.nav__links a::after {
  content: '';
  position: absolute;
  bottom: -3px;
  left: 0;
  right: 0;
  height: 1.5px;
  background-color: var(--sage);
  transform: scaleX(0);
  transition: transform var(--transition-base);
  transform-origin: left;
}

.nav__links a:hover,
.nav__links a.active {
  color: var(--deep);
}

.nav__links a:hover::after,
.nav__links a.active::after {
  transform: scaleX(1);
}

/* Mobile nav toggle */
.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: var(--space-sm);
}

.nav__toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--deep);
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
}

/* Mobile nav open state */
.nav__toggle.open span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}
.nav__toggle.open span:nth-child(2) {
  opacity: 0;
  transform: translateX(-8px);
}
.nav__toggle.open span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile drawer */
.nav__mobile {
  display: none;
  flex-direction: column;
  gap: 0;
  background-color: var(--cream);
  border-top: 1px solid var(--color-border);
  padding: var(--space-lg) var(--space-xl);
}

.nav__mobile.open {
  display: flex;
}

.nav__mobile a {
  padding: var(--space-md) 0;
  font-size: var(--text-md);
  color: var(--deep);
  border-bottom: 1px solid var(--color-border);
  font-weight: 400;
}

.nav__mobile a:last-child {
  border-bottom: none;
}

/* Page offset for fixed nav */
.page-offset {
  padding-top: var(--nav-height);
}


/* ----------------------------------------
   12. FOOTER
---------------------------------------- */
.footer {
  background-color: var(--deep);
  color: var(--cream);
  padding-block: var(--space-3xl) var(--space-xl);
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--space-2xl);
  margin-bottom: var(--space-2xl);
}

.footer__brand .logo-text {
  color: var(--cream);
}

.footer__tagline {
  font-size: var(--text-sm);
  color: var(--stone);
  margin-top: var(--space-md);
  line-height: 1.7;
}

.footer__col-title {
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--stone);
  margin-bottom: var(--space-md);
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer__links a {
  font-size: var(--text-sm);
  color: rgba(244, 239, 230, 0.7);
  transition: color var(--transition-fast);
}

.footer__links a:hover {
  color: var(--cream);
}

.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-xl);
  border-top: 1px solid rgba(244, 239, 230, 0.1);
  font-size: var(--text-xs);
  color: var(--stone);
}

.footer__bottom a {
  color: var(--stone);
  transition: color var(--transition-fast);
}

.footer__bottom a:hover {
  color: var(--cream);
}


/* ----------------------------------------
   13. FORMS
---------------------------------------- */
.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  margin-bottom: var(--space-lg);
}

.form-label {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--deep);
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 0.75rem 1rem;
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--deep);
  background-color: #fff;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  border-color: var(--sage);
  box-shadow: 0 0 0 3px rgba(107, 148, 112, 0.15);
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
}

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%238A8D87' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
}


/* ----------------------------------------
   14. SCROLL ANIMATIONS
---------------------------------------- */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

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

.fade-in-delay-1 { transition-delay: 100ms; }
.fade-in-delay-2 { transition-delay: 200ms; }
.fade-in-delay-3 { transition-delay: 300ms; }
.fade-in-delay-4 { transition-delay: 400ms; }


/* ----------------------------------------
   15. RESPONSIVE BREAKPOINTS
---------------------------------------- */

/* Tablet — 768px */
@media (max-width: 768px) {
  :root {
    --space-4xl: 4rem;
    --space-3xl: 3rem;
  }

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

  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .nav__links,
  .nav__cta {
    display: none;
  }

  .nav__toggle {
    display: flex;
  }

  .footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
  }

  .footer__bottom {
    flex-direction: column;
    gap: var(--space-sm);
    text-align: center;
  }
}

/* Mobile — 480px */
@media (max-width: 480px) {
  :root {
    --space-4xl: 3rem;
    --space-3xl: 2rem;
    --nav-height: 64px;
  }

  .container {
    padding-inline: var(--space-md);
  }

  .footer__grid {
    grid-template-columns: 1fr;
  }

  h1 { font-size: var(--text-3xl); }
  h2 { font-size: var(--text-2xl); }
}

@media (max-width: 360px) {
  .container {
    padding-inline: var(--space-sm);
  }

  .btn-lg {
    padding: 0.875rem 1.75rem;
    font-size: var(--text-base);
  }

  /* Allow long button labels to wrap on tiny screens */
  .btn {
    white-space: normal;
    text-align: center;
  }

  h1 { font-size: var(--text-2xl); }
}