/*
Theme Name: Liam Sheridan
Theme URI: https://liamsheridan.com
Author: Liam Sheridan
Description: Personal portfolio holding page
Version: 1.0.0
*/

/* ============================================================
   FONTS
   Space Grotesk — headings, name, labels
   Inter — body copy, tags, footer
   Both loaded via Google Fonts in functions.php
   ============================================================ */

/* ============================================================
   COLOUR TOKENS
   ============================================================
   --color-purple:       #2B2777   Main background (hero, about)
   --color-purple-dark:  #1E1B5E   Footer, deepest tone
   --color-purple-mid:   #35318A   Header card background
   --color-teal:         #4ECDC4   Accent — CTA, tags, highlights
   --color-teal-hover:   #3BBFB6   Teal hover state
   --color-grey:         #6B7B8D   Work section background
   --color-grey-card:    #5D6D7E   Individual work cards
   --color-white:        #FFFFFF
   --color-text-muted:   rgba(255,255,255,0.65)
   ============================================================ */

/* ============================================================
   CSS CUSTOM PROPERTIES
   ============================================================ */
:root {
  /* Colours */
  --color-purple:       #2B2777;
  --color-purple-dark:  #1E1B5E;
  --color-purple-mid:   #35318A;
  --color-teal:         #4ECDC4;
  --color-teal-hover:   #3BBFB6;
  --color-grey:         #6B7B8D;
  --color-grey-card:    #5D6D7E;
  --color-white:        #FFFFFF;
  --color-text-muted:   rgba(255, 255, 255, 0.65);

  /* Typography */
  --font-heading: 'Inconsolata', monospace;
  --font-body:    'Montserrat', sans-serif;

  /* Font sizes */
  --text-xs:   0.75rem;    /* 12px */
  --text-sm:   0.875rem;   /* 14px */
  --text-base: 1rem;       /* 16px */
  --text-lg:   1.125rem;   /* 18px */
  --text-xl:   1.25rem;    /* 20px */
  --text-2xl:  1.5rem;     /* 24px */
  --text-3xl:  1.875rem;   /* 30px */
  --text-4xl:  2.25rem;    /* 36px */
  --text-5xl:  3rem;       /* 48px */

  /* Spacing */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* Layout */
  --container-max:  1200px;
  --container-pad:  var(--space-8);
  --radius-sm:      0.5rem;
  --radius-md:      1rem;
  --radius-lg:      1.5rem;
  --radius-xl:      2rem;
  --radius-full:    9999px;

  /* Header */
  --header-height:        80px;
  --header-height-fixed:  64px;

  /* Transitions */
  --transition-fast:   150ms ease;
  --transition-base:   300ms ease;
  --transition-slow:   500ms ease;
  --transition-header: 400ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Shadows — 0 8px 24px @ 30% opacity per colour */
  --shadow-teal:        0 8px 24px rgba(78, 205, 196, 0.3);
  --shadow-purple:      0 8px 24px rgba(43, 39, 119, 0.3);
  --shadow-purple-dark: 0 8px 24px rgba(30, 27, 94, 0.3);
  --shadow-purple-mid:  0 8px 24px rgba(53, 49, 138, 0.3);
  --shadow-grey:        0 8px 24px rgba(107, 123, 141, 0.3);
  --shadow-grey-card:   0 8px 24px rgba(93, 109, 126, 0.3);
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--color-white);
  background-color: var(--color-white);
  overflow-x: hidden;
  cursor: none; /* Custom cursor active */
  padding: var(--space-6);
}

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

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

ul {
  list-style: none;
}

section {
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-6);
}

/* ============================================================
   CUSTOM CURSOR
   ============================================================ */
.cursor {
  position: fixed;
  width: 10px;
  height: 10px;
  background: var(--color-teal);
  border-radius: var(--radius-full);
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
  transition: transform 80ms ease, width var(--transition-fast), height var(--transition-fast);
  mix-blend-mode: screen;
}

.cursor-follower {
  position: fixed;
  width: 36px;
  height: 36px;
  border: 1.5px solid rgba(78, 205, 196, 0.5);
  border-radius: var(--radius-full);
  pointer-events: none;
  z-index: 9998;
  transform: translate(-50%, -50%);
  transition: transform 200ms ease, width var(--transition-base), height var(--transition-base), border-color var(--transition-base);
}

.cursor.is-hovering {
  width: 16px;
  height: 16px;
}

.cursor-follower.is-hovering {
  width: 56px;
  height: 56px;
  border-color: var(--color-teal);
}

/* ============================================================
   CONTAINER
   ============================================================ */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

/* ============================================================
   SITE HEADER
   ============================================================ */
.site-header {
  position: fixed;
  top: var(--space-6);
  left: 50%;
  transform: translateX(-50%);
  width: 50%;
  z-index: 100;
  opacity: 1;
  pointer-events: all;
  transition: opacity var(--transition-header), transform var(--transition-header);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-radius: var(--radius-full);
  padding: var(--space-3);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.06);
  box-shadow: var(--shadow-purple);
}

.site-header__brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-left: var(--space-1);
}

.site-header__logo-wrap {
  position: relative;
  width: 36px;
  height: 36px;
  flex-shrink: 0;
}

.site-header__logo {
  width: 36px;
  height: 36px;
  position: absolute;
  top: 0;
  left: 0;
  transition: opacity var(--transition-base);
}

.site-header__logo--hover {
  opacity: 0;
}

.site-header__logo-wrap:hover .site-header__logo--default {
  opacity: 0;
}

.site-header__logo-wrap:hover .site-header__logo--hover {
  opacity: 1;
}

.site-header__name {
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  line-height: 1.2;
}

.site-header__name span {
  display: block;
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-top: 2px;
}

/* ============================================================
   BUTTON
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.02em;
  border-radius: var(--radius-full);
  padding: var(--space-3) var(--space-6);
  border: none;
  cursor: none;
  transition: background var(--transition-base), transform var(--transition-fast), box-shadow var(--transition-base);
  white-space: nowrap;
}

.btn--teal {
  background: var(--color-teal);
  color: var(--color-purple-dark);
}

.btn--teal:hover {
  background: var(--color-teal-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-teal);
}

.btn--outline {
  background: transparent;
  color: var(--color-white);
  border: 1.5px solid rgba(255, 255, 255, 0.3);
}

.btn--outline:hover {
  border-color: var(--color-teal);
  color: var(--color-teal);
}

/* ============================================================
   HERO SECTION
   ============================================================ */
.hero {
  min-height: calc(100vh - 120px);
  background: var(--color-purple) url('assets/images/liam-sheridan-hero-01.jpg') center center / cover no-repeat;
  box-shadow: var(--shadow-purple);
  display: flex;
  align-items: end;
  justify-content: center;
  text-align: center;
  padding: var(--space-24) var(--space-8);
  position: relative;
  overflow: hidden;
}

.hero__content {
  max-width: var(--container-max);
  position: relative;
  z-index: 1;
}

.hero__headline {
  font-family: var(--font-heading);
  font-size: clamp(var(--text-3xl), 5vw, var(--text-5xl));
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-6);
  color: var(--color-white);
}

.hero__subtext {
  font-size: var(--text-base);
  line-height: 1.7;
  color: var(--color-text-muted);
  max-width: var(--container-max);
  margin-inline: auto;
  margin-bottom: var(--space-1);
}

.hero__subtext + .hero__subtext {
  margin-bottom: var(--space-12);
}

.hero__cta {
  opacity: 0;
  transform: translateY(16px);
}

/* ============================================================
   WORK SECTION
   ============================================================ */
.work {
  padding: 0;
}

.work__grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  grid-auto-rows: 380px;
  gap: var(--space-6);
}

/* Row 1: large | small */
.work__card:nth-child(1) { grid-column: 1 / 4; }
.work__card:nth-child(2) { grid-column: 4 / 6; }

/* Row 2: small | large */
.work__card:nth-child(3) { grid-column: 1 / 3; }
.work__card:nth-child(4) { grid-column: 3 / 6; }

.work__card {
  background: var(--color-grey-card);
  box-shadow: var(--shadow-grey-card);
  border-radius: var(--radius-lg);
  min-height: 380px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
  padding: var(--space-8);
  position: relative;
  overflow: hidden;
  transform: translateY(40px);
  opacity: 0;
}

.work__card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(30, 27, 94, 0.85) 0%, rgba(30, 27, 94, 0.2) 60%, transparent 100%);
  z-index: 1;
}

.work__card__image {
  position: absolute;
  inset: 0;
  overflow: hidden;
  border-radius: var(--radius-lg);
  z-index: 0;
}

.work__card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transition: transform 600ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
  transform: scale(1) rotate(0deg);
}

.work__card:hover .work__card__image img {
  transform: scale(1.06) rotate(1.5deg);
}

.work__card-label {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: 600;
  text-align: center;
  position: relative;
  z-index: 2;
}

.work__card-desc {
  font-size: var(--text-sm);
  color: var(--color-white);
  text-align: center;
  margin-top: var(--space-2);
  max-width: 280px;
  position: relative;
  z-index: 2;
}

/* ============================================================
   ABOUT SECTION
   ============================================================ */
.about {
  background: var(--color-purple);
  box-shadow: var(--shadow-purple);
  padding: var(--space-24) var(--space-8);
}

.about__inner {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: var(--space-16);
  max-width: var(--container-max);
  margin-inline: auto;
  align-items: start;
}

.about__images {
  position: sticky;
  top: calc(var(--space-6) + 80px);
  align-self: start;
}

.about__portrait {
  width: 100%;
  height: 600px;
  border-radius: var(--radius-lg);
  object-fit: cover;
  object-position: center top;
  opacity: 0;
  transform: translateX(-30px);
}

.about__content {
  opacity: 0;
  transform: translateX(30px);
}

.about__title {
  font-family: var(--font-heading);
  font-size: var(--text-3xl);
  font-weight: 700;
  margin-bottom: var(--space-6);
  letter-spacing: -0.02em;
}

.about__bio p {
  font-size: var(--text-base);
  line-height: 1.75;
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
}

.about__bio p:last-child {
  margin-bottom: 0;
}

.about__skills {
  margin-top: var(--space-8);
}

.about__skills-title {
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
}

.about__skills-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2) var(--space-8);
}

.about__skills-list li {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  padding-left: var(--space-4);
  position: relative;
}

.about__skills-list li::before {
  content: '›';
  position: absolute;
  left: 0;
  color: var(--color-teal);
}

.about__tools {
  margin-top: var(--space-8);
}

.about__tools-title {
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
}

.about__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.about__tag {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  background: var(--color-teal);
  color: var(--color-purple-dark);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  opacity: 0;
  transform: translateY(8px);
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: var(--color-purple-dark);
  box-shadow: var(--shadow-purple-dark);
  padding: var(--space-12) var(--space-8);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-lg);
}

.site-footer__inner {
  max-width: var(--container-max);
  margin-inline: auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
  text-align: center;
}

.site-footer__col-title {
  font-family: var(--font-heading);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-1);
}

.site-footer__col p:first-child {
  font-size: var(--text-sm);
  color: var(--color-white);
  line-height: 1.6;
}

.site-footer__col a {
  font-size: var(--text-xs);
  color: var(--color-teal);
  line-height: 1.6;
}

.site-footer__col p:last-child {
  font-size: var(--text-xs);
  color: var(--color-teal);
  line-height: 1.6;
  margin-top: var(--space-1);
}

.site-footer__col a {
  transition: color var(--transition-fast);
}

.site-footer__col a:hover {
  color: var(--color-teal);
}

.site-footer__policy {
  display: none;
}

.site-footer__bottom {
  max-width: var(--container-max);
  margin-inline: auto;
  margin-top: var(--space-12);
  padding-top: var(--space-6);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  text-align: center;
}

.site-footer__copy {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.site-footer__policy a {
  font-size: var(--text-xs);
  color: var(--color-teal);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 768px) {
  :root {
    --container-pad: var(--space-4);
    --text-3xl: 1.5rem;   /* 24px — was 30px */
    --text-4xl: 1.75rem;  /* 28px — was 36px */
    --text-5xl: 2.25rem;  /* 36px — was 48px */
  }

  body {
    font-size: var(--text-sm);
    padding: var(--space-3);
  }

  .site-header {
    width: calc(100% - var(--space-8));
    top: var(--space-3);
  }

  .site-header__name {
    display: none;
  }

  .hero {
    padding: var(--space-16) var(--space-4) var(--space-8);
  }

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

  .work__card:nth-child(1),
  .work__card:nth-child(2),
  .work__card:nth-child(3),
  .work__card:nth-child(4) {
    grid-column: 1 / -1;
  }

  .about {
    padding: var(--space-16) var(--space-4);
  }

  .about__inner {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .about__images {
    position: static;
  }

  .about__portrait {
    height: 300px;
  }

  .about__skills-list {
    grid-template-columns: 1fr;
  }

  .site-footer__inner {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }
}