/* Kcal landing
   Direction: calm kitchen log / photo → kcal / sage plate light
   World: soft leaf wash · brand #8A9B5C · ink #173430
   Signature: kcal ring + shutter frame around icon */

:root {
  --bg: #f4f6f0;
  --bg-deep: #e8eee2;
  --surface: #fdfefb;
  --raised: #eef3e8;
  --ink: #173430;
  --ink-2: #617d79;
  --muted: #7a8f8a;
  --hairline: rgba(23, 52, 48, 0.1);
  --accent: #8a9b5c;
  --accent-ink: #6f8148;
  --accent-soft: rgba(138, 155, 92, 0.16);
  --shadow: 0 18px 48px rgba(23, 52, 48, 0.1);
  --radius-sm: 8px;
  --radius: 14px;
  --radius-lg: 22px;
  --max: 1120px;
  --font: "DM Sans", system-ui, -apple-system, sans-serif;
  --display: "Fraunces", "Iowan Old Style", Georgia, serif;
  --mono: "DM Sans", ui-sans-serif, sans-serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .reveal {
    opacity: 1 !important;
    transform: none !important;
  }
  .kcal-ring,
  .shutter {
    animation: none !important;
  }
}

body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  line-height: 1.55;
  background: var(--bg);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  position: relative;
  overflow-x: hidden;
}

.leaf-wash {
  pointer-events: none;
  position: fixed;
  inset: -10% 35% auto -20%;
  height: 55vh;
  background:
    radial-gradient(ellipse at 40% 40%, rgba(138, 155, 92, 0.18), transparent 65%),
    radial-gradient(ellipse at 70% 20%, rgba(240, 246, 234, 0.9), transparent 55%);
  z-index: 0;
}

body > *:not(.leaf-wash) {
  position: relative;
  z-index: 1;
}

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

a {
  color: var(--accent-ink);
  text-decoration: none;
}

a:hover {
  color: var(--accent);
}

.container {
  width: min(100% - 2.5rem, var(--max));
  margin-inline: auto;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.mono {
  font-family: var(--mono);
  font-size: 0.8125rem;
  letter-spacing: 0;
  color: var(--muted);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(244, 246, 240, 0.88);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--hairline);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 56px;
  padding: 0.5rem 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  color: var(--ink);
}

.brand:hover {
  color: var(--ink);
}

.brand img {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  flex-shrink: 0;
}

.brand-name {
  font-family: var(--display);
  font-weight: 600;
  font-size: 1.125rem;
  letter-spacing: -0.02em;
}

.brand-text {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}

.brand-sub {
  font-size: 0.6875rem;
  color: var(--muted);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

#lang-select {
  appearance: none;
  -webkit-appearance: none;
  background: var(--surface)
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%237a8f8a' d='M1 1l5 5 5-5'/%3E%3C/svg%3E")
    no-repeat right 0.75rem center;
  color: var(--ink);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-sm);
  padding: 0.5rem 2rem 0.5rem 0.75rem;
  font-family: inherit;
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  max-width: 10.5rem;
  line-height: 1.25;
}

#lang-select:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: inherit;
  font-weight: 500;
  font-size: 0.9375rem;
  line-height: 1;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: background-color 160ms var(--ease), color 160ms var(--ease),
    border-color 160ms var(--ease), transform 120ms var(--ease);
}

.btn:active {
  transform: scale(0.98);
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  min-height: 48px;
  padding: 0 1.25rem;
}

.btn-primary:hover {
  background: var(--accent-ink);
  color: #fff;
}

.btn-nav {
  background: var(--ink);
  color: #fff;
  min-height: 36px;
  padding: 0 0.875rem;
  font-size: 0.8125rem;
}

.btn-nav:hover {
  background: #0f2421;
  color: #fff;
}

.btn-play-icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

@media (max-width: 640px) {
  .btn-nav {
    display: none;
  }
}

.hero {
  padding: 2rem 0 4rem;
  min-height: calc(100vh - 56px);
  display: flex;
  align-items: center;
}

.hero-grid {
  display: grid;
  gap: 2.5rem;
  align-items: center;
}

@media (min-width: 900px) {
  .hero-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 3rem;
  }
}

.hero-brand {
  margin: 0 0 0.35rem;
  font-family: var(--display);
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1;
  color: var(--ink);
}

.hero-line {
  margin: 0 0 1rem;
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--accent-ink);
}

.hero-copy h1 {
  margin: 0 0 1rem;
  font-family: var(--display);
  font-size: clamp(1.5rem, 3.2vw, 2.25rem);
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.2;
  color: var(--ink);
  max-width: 18ch;
}

.hero-sub {
  margin: 0 0 1.75rem;
  font-size: 1.0625rem;
  line-height: 1.55;
  color: var(--ink-2);
  max-width: 36rem;
  font-weight: 400;
}

.hero-cta {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.75rem;
}

.hero-note {
  margin: 0;
  font-size: 0.8125rem;
  color: var(--muted);
  font-weight: 400;
}

.kcal-sig {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  margin-top: 2rem;
  color: var(--accent-ink);
}

.kcal-ring {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 2px solid var(--accent);
  border-top-color: transparent;
  animation: ring-spin 4.5s linear infinite;
}

.kcal-num {
  font-family: var(--display);
  font-size: 0.9375rem;
  font-weight: 500;
  letter-spacing: 0.02em;
}

@keyframes ring-spin {
  to {
    transform: rotate(360deg);
  }
}

.icon-stage {
  position: relative;
  width: min(100%, 380px);
  margin-inline: auto;
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  background:
    radial-gradient(circle at 50% 48%, var(--surface) 0 42%, transparent 43%),
    radial-gradient(circle at 50% 50%, var(--accent-soft), transparent 62%);
  border-radius: 50%;
}

.shutter {
  position: absolute;
  inset: 8%;
  border-radius: 50%;
  border: 1px dashed rgba(138, 155, 92, 0.45);
  animation: shutter-breathe 5s var(--ease) infinite;
  pointer-events: none;
}

@keyframes shutter-breathe {
  0%,
  100% {
    transform: scale(1);
    opacity: 0.55;
  }
  50% {
    transform: scale(1.03);
    opacity: 0.9;
  }
}

.hero-icon {
  width: min(68%, 260px);
  height: auto;
  border-radius: 28%;
  box-shadow: var(--shadow);
}

.modes,
.steps-section,
.notes-section {
  padding: 4rem 0;
}

.modes {
  background: linear-gradient(180deg, transparent, rgba(232, 238, 226, 0.55) 20%, transparent);
}

.section-head {
  margin-bottom: 2rem;
  max-width: 40rem;
}

.section-head h2 {
  margin: 0 0 0.5rem;
  font-family: var(--display);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 550;
  letter-spacing: -0.02em;
}

.section-head p {
  margin: 0;
  color: var(--ink-2);
}

.feat-list {
  display: grid;
  gap: 1.25rem;
}

@media (min-width: 800px) {
  .feat-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.5rem;
  }
}

.feat-list article {
  padding: 1.25rem 0;
  border-top: 1px solid var(--hairline);
}

.mode-kicker {
  margin: 0 0 0.5rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--accent-ink);
}

.feat-list h3 {
  margin: 0 0 0.5rem;
  font-size: 1.0625rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.feat-list p {
  margin: 0;
  color: var(--ink-2);
  font-size: 0.9375rem;
}

.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1.25rem;
}

.steps li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
  align-items: start;
  padding: 1rem 0;
  border-top: 1px solid var(--hairline);
}

.step-num {
  font-family: var(--display);
  font-size: 1.125rem;
  color: var(--accent-ink);
  min-width: 2rem;
}

.steps h3 {
  margin: 0 0 0.35rem;
  font-size: 1.0625rem;
}

.steps p {
  margin: 0;
  color: var(--ink-2);
  font-size: 0.9375rem;
}

.notes-section {
  background: var(--surface);
  border-block: 1px solid var(--hairline);
}

.notes-section h2 {
  margin: 0 0 1rem;
  font-family: var(--display);
  font-size: clamp(1.35rem, 2.5vw, 1.75rem);
}

.notes-list {
  margin: 0;
  padding-left: 1.15rem;
  color: var(--ink-2);
  max-width: 48rem;
}

.notes-list li + li {
  margin-top: 0.65rem;
}

.final-cta {
  padding: 4.5rem 0;
}

.final-inner {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
}

.final-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  margin-bottom: 0.25rem;
}

.final-inner h2 {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(1.5rem, 3vw, 2rem);
}

.final-inner p {
  margin: 0 0 0.5rem;
  color: var(--ink-2);
}

.site-footer {
  border-top: 1px solid var(--hairline);
  padding: 2.5rem 0 3rem;
  background: var(--bg-deep);
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1.5rem;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--display);
  font-weight: 600;
  margin-bottom: 0.35rem;
}

.footer-brand img {
  width: 24px;
  height: 24px;
  border-radius: 6px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
  align-items: center;
}

.footer-links a {
  color: var(--ink-2);
  font-size: 0.875rem;
}

.footer-links a:hover {
  color: var(--accent-ink);
}

/* Legal pages */
.privacy-main {
  padding: 2.5rem 0 4rem;
}

.privacy-card {
  background: var(--surface);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-lg);
  padding: clamp(1.5rem, 3vw, 2.5rem);
  max-width: 48rem;
  margin-inline: auto;
  box-shadow: var(--shadow);
}

.privacy-card h1 {
  margin: 0 0 0.5rem;
  font-family: var(--display);
  font-size: clamp(1.75rem, 3vw, 2.25rem);
}

.privacy-meta {
  color: var(--muted);
  font-size: 0.875rem;
  margin: 0 0 1.5rem;
}

.privacy-card h2 {
  margin: 1.75rem 0 0.65rem;
  font-size: 1.125rem;
}

.privacy-card p,
.privacy-card li {
  color: var(--ink-2);
}

.privacy-card code {
  font-size: 0.875em;
  background: var(--raised);
  padding: 0.1em 0.35em;
  border-radius: 4px;
}

.reveal {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.55s var(--ease), transform 0.55s var(--ease);
}

.reveal.is-in {
  opacity: 1;
  transform: none;
}

.reveal-delay {
  transition-delay: 0.12s;
}