/* ============================================================
   The Solar Pro — design tokens
   Sky-and-water palette: cream paper, deep marine ink, sun-gold accent.
   Reference structure: orizonenergy.ca (different palette).
   Quality bar: thesolar.pro/demandtsunami.
   ============================================================ */

:root {
  /* Paper and ink */
  --paper:        #F8F4EC;        /* page background, soft cream */
  --paper-warm:   #F2EBDB;        /* card lifts, subtle contrast */
  --paper-edge:   #E5DCC5;        /* hairline borders */
  --ink:          #0E2731;        /* body type, near-black marine */
  --ink-soft:     #2D4D5C;        /* secondary text */
  --ink-mute:     #6B7E86;        /* meta, captions */

  /* Tide — primary brand (deep marine blue) */
  --tide:         #134E5E;        /* headlines on cream, nav brand */
  --tide-deep:    #0B3340;        /* footer ground, wells */
  --tide-soft:    #2C7384;        /* hover, secondary surfaces */

  /* Gold — solar warmth, carried forward */
  --gold:         #B08D3E;        /* drop caps, accent rules */
  --gold-deep:    #8C6E28;        /* hover */
  --gold-pale:    #E8D9A8;        /* halo washes */

  /* Sky — daylight accent, sun-on-water */
  --sky:          #5C9CA8;        /* badges, soft accents */
  --sky-deep:     #3B7E8B;        /* hover */
  --sky-pale:     #C4DDE3;        /* card edges, inset highlights */

  /* Status / utility */
  --warn:         #B6582B;
  --good:         #2E6F46;

  /* Type scale */
  --serif: "Fraunces", "Iowan Old Style", "Charter", "Georgia", serif;
  --sans:  "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono:  "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;

  /* Sizes */
  --fs-display: clamp(3rem, 6vw + 1rem, 6.5rem);
  --fs-h1:      clamp(2.25rem, 3vw + 1rem, 3.75rem);
  --fs-h2:      clamp(1.75rem, 2vw + 0.75rem, 2.625rem);
  --fs-h3:      clamp(1.25rem, 1vw + 0.875rem, 1.625rem);
  --fs-body:    1.0625rem;
  --fs-meta:    0.8125rem;
  --fs-eyebrow: 0.75rem;

  /* Rhythm */
  --space-xs:   0.5rem;
  --space-sm:   1rem;
  --space-md:   1.75rem;
  --space-lg:   3rem;
  --space-xl:   5rem;
  --space-2xl:  8rem;

  /* Containers */
  --w-prose:    36rem;
  --w-wide:     78rem;
  --w-narrow:   54rem;

  /* Radii / borders */
  --r-sm: 4px;
  --r-md: 10px;
  --r-lg: 18px;

  /* Shadows */
  --shadow-rise: 0 1px 0 rgba(14,39,49,.04), 0 12px 40px -20px rgba(14,39,49,.18);
  --shadow-press: 0 1px 0 rgba(14,39,49,.06);

  /* Motion */
  --ease: cubic-bezier(.22,.61,.36,1);
  --t-fast: 180ms;
  --t-slow: 520ms;
}

/* ============================================================
   Base resets
   ============================================================ */

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: var(--fs-body);
  line-height: 1.55;
  font-feature-settings: "ss01", "cv11";
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img, svg { max-width: 100%; display: block; }
a { color: var(--sky-deep); text-decoration: none; transition: color var(--t-fast) var(--ease); }
a:hover { color: var(--tide); }

h1, h2, h3, h4 {
  font-family: var(--serif);
  font-weight: 400;
  line-height: 1.08;
  letter-spacing: -0.01em;
  margin: 0 0 var(--space-md);
  color: var(--tide);
  font-variation-settings: "opsz" 144, "SOFT" 50, "WONK" 0;
}

h1 { font-size: var(--fs-h1); }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); line-height: 1.18; }

p { margin: 0 0 1.1em; }

button, .btn {
  font-family: var(--sans);
  font-weight: 500;
  letter-spacing: 0.01em;
  cursor: pointer;
}

::selection { background: var(--gold-pale); color: var(--ink); }

/* ============================================================
   Eyebrow + dropcap utilities
   ============================================================ */

.eyebrow {
  font-family: var(--sans);
  font-size: var(--fs-eyebrow);
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-mute);
}

.dropcap::first-letter {
  font-family: var(--serif);
  float: left;
  font-size: 4.4em;
  line-height: 0.85;
  padding: 0.05em 0.08em 0 0;
  color: var(--gold);
  font-weight: 400;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  padding: 0.85em 1.4em;
  border-radius: var(--r-md);
  border: 1px solid transparent;
  font-size: 0.95rem;
  transition: background var(--t-fast) var(--ease),
              color var(--t-fast) var(--ease),
              border-color var(--t-fast) var(--ease),
              transform var(--t-fast) var(--ease);
}

.btn--primary {
  background: var(--tide);
  color: var(--paper);
}
.btn--primary:hover { background: var(--tide-deep); transform: translateY(-1px); }

.btn--ghost {
  background: transparent;
  color: var(--tide);
  border-color: var(--paper-edge);
}
.btn--ghost:hover { border-color: var(--tide); color: var(--tide); }

.btn--gold {
  background: var(--gold);
  color: var(--paper);
}
.btn--gold:hover { background: var(--gold-deep); }

.btn .arrow {
  display: inline-block;
  transition: transform var(--t-fast) var(--ease);
}
.btn:hover .arrow { transform: translateX(3px); }

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

.wrap        { max-width: var(--w-wide);   margin: 0 auto; padding: 0 var(--space-md); }
.wrap-narrow { max-width: var(--w-narrow); margin: 0 auto; padding: 0 var(--space-md); }
.prose       { max-width: var(--w-prose);  margin: 0 auto; padding: 0 var(--space-md); }

.hairline { height: 1px; background: var(--paper-edge); border: 0; margin: var(--space-lg) 0; }

.section { padding: var(--space-2xl) 0; }
.section--tight { padding: var(--space-xl) 0; }
.section--well { background: var(--paper-warm); }
.section--ground { background: var(--tide-deep); color: var(--paper); }

.section--ground h1, .section--ground h2, .section--ground h3 { color: var(--paper); }
.section--ground a { color: var(--sky-pale); }
.section--ground .eyebrow { color: var(--gold-pale); }