/*
Theme Name: Caleb Peterson
Theme URI: https://calebpeterson.com
Author: Caleb Peterson
Description: Custom personal site — systems, art, making.
Version: 1.0.0
License: Proprietary
Text Domain: calebpeterson
*/

/* ============================================================
   CUSTOM PROPERTIES
   ============================================================ */

:root {
  /* Color */
  --c-bg:          #F6F5F2;
  --c-text:        #111111;
  --c-muted:       #7A7A7A;
  --c-border:      #DDDBD5;
  --c-dark:        #111111;
  --c-dark-text:   #F6F5F2;
  --c-dark-muted:  #888888;
  --c-dark-border: #2A2A2A;

  /* Typography */
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Helvetica Neue', Arial, sans-serif;

  --size-label:  0.6875rem;   /* 11px */
  --size-sm:     0.8125rem;   /* 13px */
  --size-base:   1rem;        /* 16px */
  --size-md:     1.125rem;    /* 18px */
  --size-lg:     1.375rem;    /* 22px */
  --size-xl:     1.75rem;     /* 28px */
  --size-2xl:    2.25rem;     /* 36px */
  --size-3xl:    clamp(2rem, 4.5vw, 3.25rem);
  --size-hero:   clamp(3.25rem, 9vw, 7.5rem);

  /* Spacing */
  --space-section: clamp(80px, 12vw, 144px);
  --space-xl:      clamp(40px, 6vw, 64px);
  --space-lg:      clamp(24px, 3.5vw, 40px);
  --space-md:      1.5rem;
  --space-sm:      1rem;
  --space-xs:      0.5rem;

  /* Layout */
  --container:     1080px;
  --pad:           clamp(24px, 5vw, 64px);
  --header-h:      64px;

  /* Motion */
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
}

/* ============================================================
   RESET
   ============================================================ */

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

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

body {
  background-color: var(--c-bg);
  color: var(--c-text);
  font-family: var(--font);
  font-weight: 300;
  font-size: var(--size-base);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

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

ul, ol {
  list-style: none;
}

/* ============================================================
   LAYOUT
   ============================================================ */

.container {
  max-width: var(--container);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--pad);
  padding-right: var(--pad);
}

.section {
  padding-top: var(--space-section);
  padding-bottom: var(--space-section);
  border-top: 1px solid var(--c-border);
}

/* ============================================================
   HEADER
   ============================================================ */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-h);
  background-color: var(--c-bg);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s var(--ease);
}

.site-header.is-scrolled {
  border-bottom-color: var(--c-border);
}

.header-inner {
  height: 100%;
  max-width: var(--container);
  margin: auto;
  padding: 0 var(--pad);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header-name {
  font-size: var(--size-sm);
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--c-text);
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 2.25rem;
}

.header-nav-link {
  font-size: var(--size-sm);
  font-weight: 300;
  letter-spacing: 0.05em;
  color: var(--c-muted);
  transition: color 0.2s;
}

.header-nav-link:hover {
  color: var(--c-text);
}

/* Mobile toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 32px;
  height: 32px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 100%;
  height: 1px;
  background-color: var(--c-text);
  transition: transform 0.25s var(--ease), opacity 0.2s;
}

/* ============================================================
   MOBILE MENU
   ============================================================ */

.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 200;
  background-color: var(--c-bg);
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform 0.35s var(--ease);
  pointer-events: none;
}

.mobile-menu.is-open {
  transform: translateX(0);
  pointer-events: auto;
}

.mobile-menu-bar {
  height: var(--header-h);
  padding: 0 var(--pad);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
  border-bottom: 1px solid var(--c-border);
}

.mobile-menu-bar .header-name {
  font-size: var(--size-sm);
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.nav-close {
  font-size: 1.25rem;
  font-weight: 300;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--c-text);
  line-height: 1;
  padding: 4px 8px;
  letter-spacing: 0;
}

.mobile-nav {
  display: flex;
  flex-direction: column;
  padding: var(--space-xl) var(--pad);
  gap: 0;
}

.mobile-nav-link {
  font-size: var(--size-2xl);
  font-weight: 200;
  letter-spacing: -0.01em;
  color: var(--c-text);
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--c-border);
  display: block;
}

.mobile-nav-link:first-child {
  border-top: 1px solid var(--c-border);
}

/* ============================================================
   SECTION LABEL
   ============================================================ */

.section-label {
  display: block;
  font-size: var(--size-label);
  font-weight: 400;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--c-muted);
}

/* ============================================================
   HERO
   ============================================================ */

.section-hero {
  min-height: 90vh;
  display: flex;
  align-items: flex-end;
  padding-top: calc(var(--header-h) + var(--space-section));
  padding-bottom: var(--space-section);
  border-top: none;
}

.hero-inner {
  width: 100%;
}

.hero-name {
  font-size: var(--size-hero);
  font-weight: 200;
  letter-spacing: -0.025em;
  line-height: 0.93;
  color: var(--c-text);
  margin-bottom: clamp(28px, 5vw, 56px);
}

.hero-tagline {
  font-size: clamp(1rem, 2.5vw, 1.375rem);
  font-weight: 300;
  color: var(--c-text);
  line-height: 1.45;
  max-width: 520px;
}

/* ============================================================
   INTRO
   ============================================================ */

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

.intro-statement {
  font-size: var(--size-3xl);
  font-weight: 200;
  letter-spacing: -0.02em;
  line-height: 1.3;
  color: var(--c-text);
  max-width: 680px;
  margin: 0 auto;
}

/* ============================================================
   ABOUT
   ============================================================ */

.about-grid {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 0 var(--space-xl);
  align-items: start;
}

.about-label {
  padding-top: 4px;
}

.about-content p {
  font-size: var(--size-md);
  font-weight: 300;
  line-height: 1.75;
  color: var(--c-text);
  max-width: 560px;
}

.about-content p + p {
  margin-top: 1.5rem;
}

/* ============================================================
   WORK
   ============================================================ */

.work-grid {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 0 var(--space-xl);
  align-items: start;
}

.work-label {
  padding-top: 4px;
}

.work-list {
  display: flex;
  flex-direction: column;
}

.work-item {
  display: grid;
  grid-template-columns: 40px 1fr auto;
  gap: 0 var(--space-md);
  align-items: baseline;
  padding: var(--space-lg) 0;
  border-bottom: 1px solid var(--c-border);
}

.work-item:first-child {
  border-top: 1px solid var(--c-border);
  padding-top: 0;
  /* align first item top to section label */
}

.work-item:first-child {
  padding-top: 0;
}

.work-num {
  font-size: var(--size-label);
  font-weight: 400;
  letter-spacing: 0.1em;
  color: var(--c-muted);
  padding-top: 3px;
}

.work-body {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.work-name {
  font-size: var(--size-lg);
  font-weight: 400;
  letter-spacing: -0.01em;
  line-height: 1.2;
}

.work-category {
  font-size: var(--size-label);
  font-weight: 400;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--c-muted);
}

.work-desc {
  font-size: var(--size-sm);
  font-weight: 300;
  color: var(--c-muted);
  line-height: 1.6;
  max-width: 460px;
  margin-top: 0.5rem;
}

.work-link {
  font-size: var(--size-sm);
  font-weight: 300;
  letter-spacing: 0.04em;
  color: var(--c-muted);
  white-space: nowrap;
  align-self: flex-start;
  margin-top: 3px;
  transition: color 0.2s;
}

.work-link:hover {
  color: var(--c-text);
}

/* ============================================================
   LINKS / DESTINATIONS
   ============================================================ */

.links-grid-wrap {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 0 var(--space-xl);
  align-items: start;
}

.links-label {
  padding-top: 4px;
}

.links-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background-color: var(--c-border);
  border: 1px solid var(--c-border);
}

.link-item {
  background-color: var(--c-bg);
  padding: var(--space-lg);
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--space-sm);
  transition: background-color 0.2s var(--ease), color 0.2s var(--ease);
  min-height: 120px;
}

.link-item:hover {
  background-color: var(--c-text);
  color: var(--c-dark-text);
}

.link-item:hover .link-type {
  color: var(--c-dark-muted);
}

.link-item:hover .link-arrow {
  transform: translate(3px, -3px);
}

.link-body {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.link-label {
  font-size: var(--size-xl);
  font-weight: 300;
  letter-spacing: -0.01em;
  line-height: 1.1;
}

.link-type {
  font-size: var(--size-label);
  font-weight: 400;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--c-muted);
  transition: color 0.2s;
}

.link-arrow {
  font-size: var(--size-base);
  align-self: flex-start;
  transition: transform 0.2s var(--ease);
  flex-shrink: 0;
}

/* ============================================================
   CLOSING
   ============================================================ */

.section-closing {
  background-color: var(--c-dark);
  color: var(--c-dark-text);
  border-top: none;
  padding-top: var(--space-section);
  padding-bottom: var(--space-section);
}

.closing-inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

.closing-name {
  font-size: var(--size-hero);
  font-weight: 200;
  letter-spacing: -0.025em;
  line-height: 0.93;
  color: var(--c-dark-text);
}

.closing-meta {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.closing-year {
  font-size: var(--size-label);
  font-weight: 400;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--c-dark-muted);
}

.closing-rule {
  flex: 1;
  height: 1px;
  background-color: var(--c-dark-border);
  max-width: 200px;
}

/* ============================================================
   FOOTER
   ============================================================ */

.site-footer {
  background-color: var(--c-dark);
  border-top: 1px solid var(--c-dark-border);
}

.footer-inner {
  max-width: var(--container);
  margin: auto;
  padding: var(--space-md) var(--pad);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: var(--size-sm);
  font-weight: 300;
  color: var(--c-dark-muted);
  letter-spacing: 0.04em;
}

/* ============================================================
   RESPONSIVE — 768px
   ============================================================ */

@media (max-width: 768px) {

  .header-nav {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  /* About */
  .about-grid {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

  /* Work */
  .work-grid {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

  .work-item {
    grid-template-columns: 32px 1fr;
    grid-template-rows: auto auto;
    gap: 0 var(--space-sm);
  }

  .work-link {
    grid-column: 2;
    margin-top: var(--space-xs);
  }

  /* Links */
  .links-grid-wrap {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

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

  /* Intro */
  .section-intro {
    text-align: left;
  }

  .intro-statement {
    margin: 0;
  }

}

/* ============================================================
   RESPONSIVE — 480px
   ============================================================ */

@media (max-width: 480px) {

  .link-item {
    min-height: 100px;
  }

  .link-label {
    font-size: var(--size-lg);
  }

}