/* =============================================
   Variables
   ============================================= */
:root {
  /* Colors */
  --color-bg: #f5f1ea;              /* soft beige background */
  --color-bg-alt: #f9f6f1;          /* slightly lighter alt background */
  --color-surface: #ffffff;         /* cards, panels */

  --color-text: #1f1f1f;            /* primary text - charcoal-ish */
  --color-text-soft: #5a5a5a;       /* muted body text */
  --color-border-subtle: #ded4c5;   /* subtle warm border */

  --color-primary: #7b8562;         /* muted olive */
  --color-primary-soft: #a2ad84;    /* softer olive for hovers */

  --color-success: #5f8f6b;         /* refined green */
  --color-warning: #b88a3b;         /* brass / warm amber */
  --color-danger: #b1463b;          /* muted terracotta red */

  --gray-50: #faf7f3;
  --gray-100: #f2ece3;
  --gray-200: #e1d7c7;
  --gray-300: #c8bba7;
  --gray-400: #a39782;
  --gray-500: #7d7466;
  --gray-600: #5a544b;
  --gray-700: #3f3a34;
  --gray-800: #2c2824;
  --gray-900: #181614;

  /* Typography */
  --font-sans: "Inter", system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", sans-serif;
  --font-serif: "Cormorant Garamond", "Georgia", "Times New Roman", serif;
  --font-mono: "SF Mono", Menlo, Monaco, Consolas, "Liberation Mono", monospace;

  --font-size-xs: 0.75rem;   /* 12px */
  --font-size-sm: 0.875rem;  /* 14px */
  --font-size-base: 1rem;    /* 16px */
  --font-size-md: 1.0625rem; /* 17px */
  --font-size-lg: 1.125rem;  /* 18px */
  --font-size-xl: 1.375rem;  /* 22px */
  --font-size-2xl: 1.75rem;  /* 28px */
  --font-size-3xl: 2.25rem;  /* 36px */
  --font-size-4xl: 3rem;     /* 48px */

  --line-height-tight: 1.15;
  --line-height-snug: 1.3;
  --line-height-normal: 1.6;
  --line-height-relaxed: 1.8;

  /* Spacing scale (px converted to rem based on 16px root) */
  --space-0: 0;
  --space-4: 0.25rem;   /* 4px */
  --space-8: 0.5rem;    /* 8px */
  --space-12: 0.75rem;  /* 12px */
  --space-16: 1rem;     /* 16px */
  --space-20: 1.25rem;  /* 20px */
  --space-24: 1.5rem;   /* 24px */
  --space-32: 2rem;     /* 32px */
  --space-40: 2.5rem;   /* 40px */
  --space-48: 3rem;     /* 48px */
  --space-64: 4rem;     /* 64px */
  --space-80: 5rem;     /* 80px */
  --space-96: 6rem;     /* 96px */

  /* Radius */
  --radius-none: 0;
  --radius-xs: 2px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-pill: 999px;

  /* Shadows - subtle, refined */
  --shadow-soft: 0 10px 30px rgba(15, 10, 5, 0.06);
  --shadow-medium: 0 18px 45px rgba(10, 6, 2, 0.08);

  /* Transitions */
  --transition-fast: 120ms ease-out;
  --transition-base: 180ms ease-out;
  --transition-slow: 260ms ease-out;

  /* Layout */
  --container-max-width: 1120px;
}

/* =============================================
   Reset / Normalize
   ============================================= */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  margin: 0;
  padding: 0;
  scroll-behavior: smooth;
}

body {
  margin: 0;
}

h1,
h2,
h3,
h4,
h5,
h6,
p,
figure,
blockquote,
ul,
ol,
li,
dl,
dt,
dd {
  margin: 0;
  padding: 0;
}

ul,
ol {
  list-style: none;
}

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

input,
button,
textarea,
select {
  margin: 0;
  font: inherit;
  color: inherit;
}

button {
  border: none;
  background: none;
  padding: 0;
}

textarea {
  resize: vertical;
}

/* Remove default link styles */
 a {
  text-decoration: none;
  color: inherit;
}

/* Ensure smooth fonts */
body,
input,
button,
textarea,
select {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* =============================================
   Base
   ============================================= */
body {
  min-height: 100vh;
  background-color: var(--color-bg);
  color: var(--color-text-soft);
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  line-height: var(--line-height-normal);
  text-rendering: optimizeLegibility;
}

main {
  display: block;
}

/* Headings - refined hierarchy, generous spacing */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-serif);
  font-weight: 500;
  color: var(--color-text);
  line-height: var(--line-height-snug);
  letter-spacing: 0.02em;
}

h1 {
  font-size: var(--font-size-4xl);
  margin-bottom: var(--space-16);
}

h2 {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--space-12);
}

h3 {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--space-8);
}

h4 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-8);
}

h5 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-4);
}

h6 {
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: var(--space-4);
}

p {
  font-size: var(--font-size-md);
  line-height: var(--line-height-relaxed);
  color: var(--color-text-soft);
}

p + p {
  margin-top: var(--space-12);
}

strong,
b {
  font-weight: 600;
  color: var(--color-text);
}

/* Links - understated with subtle underline on hover */
a {
  position: relative;
  color: var(--color-text);
  transition: color var(--transition-base);
}

a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.1em;
  width: 100%;
  height: 1px;
  background-color: currentColor;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-base);
}

a:hover::after,
a:focus-visible::after {
  transform: scaleX(1);
}

/* Interactive cursor */
button,
[role="button"],
input[type="submit"],
input[type="button"],
input[type="reset"] {
  cursor: pointer;
}

/* =============================================
   Accessibility & Motion
   ============================================= */
:focus-visible {
  outline: 2px solid var(--color-warning);
  outline-offset: 3px;
}

:focus {
  outline: none;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* =============================================
   Utilities
   ============================================= */

/* Layout container */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin-inline: auto;
  padding-inline: var(--space-16);
}

@media (min-width: 768px) {
  .container {
    padding-inline: var(--space-24);
  }
}

/* Spacing utilities (margin / padding, axis-based) */
.u-mx-auto {
  margin-left: auto !important;
  margin-right: auto !important;
}

.u-section {
  padding-block: var(--space-64);
}

@media (min-width: 768px) {
  .u-section {
    padding-block: var(--space-80);
  }
}

/* Flex helpers */
.u-flex {
  display: flex !important;
}

.u-inline-flex {
  display: inline-flex !important;
}

.u-flex-center {
  display: flex !important;
  align-items: center;
  justify-content: center;
}

.u-flex-between {
  display: flex !important;
  align-items: center;
  justify-content: space-between;
}

.u-flex-column {
  flex-direction: column;
}

.u-flex-wrap {
  flex-wrap: wrap;
}

.u-gap-sm {
  gap: var(--space-12);
}

.u-gap-md {
  gap: var(--space-20);
}

.u-gap-lg {
  gap: var(--space-32);
}

/* Grid helpers */
.u-grid {
  display: grid !important;
  gap: var(--space-24);
}

.u-grid-2 {
  display: grid !important;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-32);
}

.u-grid-3 {
  display: grid !important;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-32);
}

@media (max-width: 767px) {
  .u-grid-2,
  .u-grid-3 {
    grid-template-columns: 1fr;
  }
}

/* Screen reader only */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Text utilities */
.u-text-center {
  text-align: center;
}

.u-text-right {
  text-align: right;
}

.u-text-muted {
  color: var(--gray-500);
}

.u-text-uppercase {
  text-transform: uppercase;
  letter-spacing: 0.14em;
}

/* =============================================
   Components
   ============================================= */

/* Buttons - minimalist, pill-shaped, subtle transitions */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-8);
  padding: 0.6rem 1.7rem;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  background-color: var(--color-primary);
  color: #ffffff;
  font-size: var(--font-size-sm);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  line-height: 1;
  transition:
    background-color var(--transition-base),
    border-color var(--transition-base),
    color var(--transition-base),
    box-shadow var(--transition-base),
    transform var(--transition-fast);
}

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

.btn:active {
  transform: translateY(0);
  box-shadow: none;
}

.btn:disabled,
.btn[aria-disabled="true"] {
  cursor: not-allowed;
  opacity: 0.55;
  box-shadow: none;
}

/* Button variants */
.btn--outline {
  background-color: transparent;
  border-color: var(--color-border-subtle);
  color: var(--color-text);
}

.btn--outline:hover {
  background-color: var(--color-bg-alt);
  border-color: var(--color-primary);
}

.btn--ghost {
  background-color: transparent;
  color: var(--color-text);
  padding-inline: 0;
  border-radius: 0;
  border: none;
}

.btn--ghost::after {
  content: "";
  width: 100%;
  height: 1px;
  background-color: currentColor;
  transform-origin: left;
  transform: scaleX(0);
  transition: transform var(--transition-base);
}

.btn--ghost:hover::after {
  transform: scaleX(1);
}

/* Inputs - refined, consistent fields */
.input,
select,
textarea,
input[type="text"],
input[type="email"],
input[type="tel"],
input[type="url"],
input[type="number"],
input[type="password"],
input[type="search"] {
  width: 100%;
  padding: 0.7rem 0.9rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border-subtle);
  background-color: #ffffff;
  color: var(--color-text);
  font-size: var(--font-size-sm);
  line-height: 1.4;
  transition:
    border-color var(--transition-base),
    box-shadow var(--transition-base),
    background-color var(--transition-base);
}

.input::placeholder,
textarea::placeholder,
input::placeholder {
  color: var(--gray-400);
}

.input:focus-visible,
textarea:focus-visible,
input:focus-visible,
select:focus-visible {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 1px rgba(123, 133, 98, 0.3);
}

input:disabled,
textarea:disabled,
select:disabled {
  opacity: 0.6;
  background-color: var(--gray-50);
  cursor: not-allowed;
}

label {
  display: inline-block;
  margin-bottom: var(--space-4);
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--gray-500);
}

/* Card - for project previews, content blocks */
.card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--space-16);
  padding: var(--space-24);
  background-color: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(222, 212, 197, 0.7);
  box-shadow: var(--shadow-soft);
}

.card--subtle {
  box-shadow: none;
  border-style: solid;
}

.card__media {
  border-radius: calc(var(--radius-lg) - 6px);
  overflow: hidden;
}

.card__media img,
.card__media picture {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.card__title {
  font-family: var(--font-serif);
  font-size: var(--font-size-xl);
  line-height: var(--line-height-snug);
}

.card__meta {
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--gray-500);
}

.card__body {
  font-size: var(--font-size-sm);
  color: var(--color-text-soft);
}

/* Focus for composite components */
.card:focus-within {
  outline: 2px solid var(--color-warning);
  outline-offset: 3px;
}

/* Subtle section divider */
.hr-soft {
  border: none;
  border-top: 1px solid rgba(222, 212, 197, 0.7);
  margin-block: var(--space-24);
}

/* =============================================
   Media helpers for immersive photography
   ============================================= */

.media-cover {
  position: relative;
  display: block;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background-color: #000;
}

.media-cover img,
.media-cover picture {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow), opacity var(--transition-slow);
}

.media-cover:hover img,
.media-cover:hover picture {
  transform: scale(1.03);
}

@media (prefers-reduced-motion: reduce) {
  .media-cover img,
  .media-cover picture {
    transition: none;
  }
}