@font-face {
  font-family: "SuisseIntl";
  src: url("./assets/fonts/suisseIntl/SuisseIntl-Book.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "SuisseIntl";
  src: url("./assets/fonts/suisseIntl/SuisseIntl-Medium.woff2") format("woff2");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "SuisseWorks";
  src: url("/assets/fonts/suisseWorks/SuisseWorks-Regular.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "SuisseWorks";
  src: url("/assets/fonts/suisseWorks/SuisseWorks-RegularItalic.woff2") format("woff2");
  font-weight: 400;
  font-style: italic;
  font-display: swap;
}

@font-face {
  font-family: "SuisseWorks";
  src: url("/assets/fonts/suisseWorks/SuisseWorks-Bold.woff2") format("woff2");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "SuisseWorks";
  src: url("/assets/fonts/suisseWorks/SuisseWorks-BoldItalic.woff2") format("woff2");
  font-weight: 700;
  font-style: italic;
  font-display: swap;
}

:root {
  /* Default to dark theme; JS can flip data-theme for light mode */
  color-scheme: dark;
  --bg: #303030;
  --surface: #303030;
  --text: #ffffff;
  --muted: #e5e5e5;
  --border: rgba(255, 255, 255, 0.2);
  --border-strong: rgba(148, 163, 184, 0.38);
  --shadow-soft: 0 20px 50px rgba(2, 6, 23, 0.65);
  --radius-lg: 18px;

  /*
    Responsive layout system

    Breakpoints:
    - Mobile: <= 767px (default)
    - Tablet: 768px–1023px
    - Desktop: >= 1024px
    - Large desktop: >= 1536px
  */
  --container-max: 720px;
  --container-padding: 16px;
  --grid-columns: 1;
  --grid-gap: 16px;

  /* Modal theme tokens (default: dark mode) */
  --modal-frame-bg: #435044;
  --modal-panel-bg: var(--surface);
  --modal-title-color: var(--text);
  --modal-close-bg: #5f6c60;
  --modal-close-bg-hover: #303030;
  --modal-close-icon: #ffffff;
  --modal-user-text: var(--text);
  --modal-ai-text: var(--text);
  --modal-composer-bg: #3a3a3a;
  --modal-composer-border: rgba(255, 255, 255, 0.14);
  --modal-composer-placeholder: rgba(255, 255, 255, 0.6);
  --modal-send-bg: #6c6c6c;
  --modal-send-icon: #ffffff;
  --header-icon-hover-bg: #747474;
}

/* Light mode */
:root[data-theme="light"] {
  color-scheme: light;
  --bg: #ffffff;
  --surface: #ffffff;
  --text: #303030;
  --muted: #303030;
  --border: rgba(0, 0, 0, 0.12);
  --border-strong: rgba(0, 0, 0, 0.22);
  --shadow-soft: 0 18px 40px rgba(15, 23, 42, 0.12);

  /* Modal theme tokens (light mode) */
  --modal-frame-bg: #fff9e3;
  --modal-panel-bg: #ffffff;
  --modal-title-color: #303030;
  --modal-close-bg: #cacaca;
  --modal-close-bg-hover: #303030;
  --modal-close-icon: #ffffff;
  --modal-user-text: #303030;
  --modal-ai-text: #303030;
  --modal-composer-bg: #ffffff;
  --modal-composer-border: #f4f4f4;
  --modal-composer-placeholder: rgba(48, 48, 48, 0.55);
  --modal-send-bg: #cacaca;
  --modal-send-icon: #ffffff;
  --header-icon-hover-bg: #eeeeee;
}

@media (min-width: 768px) {
  :root {
    --container-max: 960px;
    --container-padding: 24px;
    --grid-columns: 8;
    --grid-gap: 20px;
  }
}

@media (min-width: 1024px) {
  :root {
    --container-max: 1200px;
    --container-padding: 48px;
    --grid-columns: 12;
    --grid-gap: 24px;
  }
}

@media (min-width: 1536px) {
  :root {
    /*
      Large desktop: add whitespace without making text overly wide.
      (Text width is already capped via max-width on paragraphs.)
    */
    --container-max: 1320px;
    --container-padding: 48px;
    --grid-columns: 12;
    --grid-gap: 24px;
  }
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: "SuisseIntl", -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a:focus-visible,
button:focus-visible,
textarea:focus-visible {
  outline: 2px solid color-mix(in srgb, var(--text) 45%, transparent);
  outline-offset: 2px;
}

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

a:hover {
  text-decoration: underline;
}

.container {
  /*
    Container utility
    - centers content
    - caps width
    - uses responsive left/right padding
  */
  max-width: var(--container-max);
  margin: 0 auto;
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
}

.grid {
  /*
    Grid utility
    - responds via --grid-columns and --grid-gap
  */
  display: grid;
  grid-template-columns: repeat(var(--grid-columns), minmax(0, 1fr));
  gap: var(--grid-gap);
}

/* Accessibility helper */
.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;
}

.site-header {
  width: 100%;
  background: color-mix(in srgb, var(--surface) 92%, transparent);
  backdrop-filter: blur(10px);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  max-width: none;
  width: 100%;
  padding-top: 14px;
  padding-bottom: 14px;
}

.site-logo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.site-logo svg path {
  fill: var(--text);
}

.site-header-actions {
  display: flex;
  gap: 4px;
  align-items: center;
}

.icon-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: none;
  background: transparent;
  padding: 0;
  color: var(--muted);
}

.theme-toggle {
  -webkit-appearance: none;
  appearance: none;
}

.icon-link svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

.theme-toggle svg {
  fill: none;
  stroke: currentColor;
}

.icon-link:hover {
  color: var(--text);
  text-decoration: none;
  border: none;
  background: var(--header-icon-hover-bg);
}

.icon-link:focus-visible {
  outline: 2px solid color-mix(in srgb, var(--text) 45%, transparent);
  outline-offset: 2px;
}

.site-main {
  padding: 28px 0 56px;
}

.hero {
  padding: clamp(34px, 5vw, 72px) 0;
  border-bottom: none;
}

.hero-title {
  margin: 0;
  letter-spacing: -0.03em;
  line-height: 1.05;
  font-weight: 500;
  font-size: clamp(2.2rem, calc(-4.325rem + 13.594vw), 4.375rem);
  max-width: 24ch;
}

.hero-chat {
  margin-top: 55px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: none;
  margin-left: 0;
  margin-right: 0;
  padding: 14px 24px;
  border-radius: 14px;
  border: 1px solid var(--modal-composer-border);
  background: var(--modal-composer-bg);
  box-shadow: 0 2px 8px 0 rgba(0, 0, 0, 0.11);
  gap: 16px;
}

.hero-chat-input {
  flex: 1;
  width: 100%;
  height: 1.5em;
  min-height: 1.5em;
  max-height: 1.5em;
  resize: none;
  border: none;
  background: transparent;
  color: var(--modal-ai-text);
  padding: 0;
  font-family: "SuisseIntl", -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  font-size: 1rem;
  line-height: 1.5;
  box-shadow: none;
  align-self: center;
  overflow: hidden;
}

.hero-chat-input::placeholder {
  color: var(--modal-composer-placeholder);
}

.hero-chat-input:focus,
.hero-chat-input:focus-visible,
.chat-modal__input:focus,
.chat-modal__input:focus-visible {
  outline: none;
  box-shadow: none;
}

.hero-send {
  position: static;
  width: 40px;
  height: 40px;
  padding: 0;
  border-radius: 50%;
  border: none;
  background: var(--modal-send-bg);
  color: var(--modal-send-icon);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  cursor: pointer;
  flex-shrink: 0;
}

.hero-send svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

.hero-send:hover {
  background: color-mix(in srgb, var(--modal-send-bg) 90%, #000 10%);
}

.hero-suggestions {
  margin-top: 16px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.hero-suggestions .pill {
  border-radius: 0;
  padding: 0;
  border: none;
  background: transparent;
  color: #747474;
  cursor: pointer;
  font-size: 0.95rem;
  line-height: 1.4;
  display: inline-flex;
  align-items: flex-start;
  gap: 6px;
  width: -moz-fit-content;
  width: fit-content;
  align-self: flex-start;
}

.hero-suggestions .pill::before {
  content: "↳";
  opacity: 0.7;
}

.hero-suggestions .pill:hover {
  color: #747474;
}

@media (max-width: 767px) {
  .hero-chat {
    padding: 16px 16px;
    border-radius: 12px;
  }

  .chat-modal__frame {
    padding: 10px;
  }

  .chat-modal__panel {
    border-radius: 0;
    padding: 12px;
  }

  .chat-modal__messages .chat-message--ai {
    padding: 2px 20px;
  }

  .chat-modal__composer {
    padding: 16px 16px;
    border-radius: 12px;
  }
}

.hero-chat-log {
  margin-top: 18px;
  display: none;
}

.chat-message {
  padding: 10px 12px;
  border-radius: 14px;
  max-width: 80%;
}

.chat-message--user {
  align-self: flex-end;
  background: color-mix(in srgb, var(--surface) 80%, transparent);
  border: 1px solid var(--border-strong);
}

.chat-message--ai {
  align-self: flex-start;
  background: color-mix(in srgb, var(--surface) 92%, transparent);
  border: 1px solid var(--border);
}

body.chat-modal--open {
  overflow: hidden;
}

.chat-modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  pointer-events: none;
}

.chat-modal.chat-modal--visible,
.chat-modal.chat-modal--animating {
  pointer-events: auto;
}

.chat-modal[aria-hidden="true"] {
  visibility: hidden;
}

.chat-modal__backdrop {
  position: absolute;
  inset: 0;
  opacity: 0;
  background: rgba(7, 10, 20, 0.18);
  transition: opacity 280ms ease;
}

.chat-modal--visible .chat-modal__backdrop {
  opacity: 1;
}

.chat-modal__dialog {
  position: relative;
  height: 100%;
  width: 100%;
  padding: 0;
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 240ms ease, transform 280ms ease;
}

.chat-modal--visible .chat-modal__dialog {
  opacity: 1;
  transform: translateY(0);
}

.chat-modal__frame {
  height: 100%;
  width: 100%;
  padding: 30px;
  border-radius: 0;
  background: var(--modal-frame-bg);
}

.chat-modal__panel {
  height: 100%;
  width: 100%;
  background: var(--modal-panel-bg);
  display: grid;
  grid-template-rows: 1fr auto;
  gap: 10px;
  padding: 0 0 16px;
  overflow: hidden;
  position: relative;
}

.chat-modal__topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  width: 100%;
  max-width: none;
  margin: 0;
  padding: 20px;
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  z-index: 10;
  background: color-mix(in srgb, var(--modal-panel-bg) 88%, transparent);
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
}

.chat-modal__body {
  min-height: 0;
  overflow-y: auto;
  width: 100%;
  padding-top: 84px;
}

.chat-modal__title {
  margin: 0;
  font-size: clamp(1rem, 1.2vw, 1.2rem);
  color: var(--modal-title-color);
}

.chat-modal__close {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: none;
  background: var(--modal-close-bg);
  color: var(--modal-close-icon);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  flex-shrink: 0;
  cursor: pointer;
  transition: background-color 0.25s ease, transform 0.25s ease;
}

.chat-modal__close svg {
  width: 14px;
  height: 14px;
  transition: transform 0.25s ease;
}

.chat-modal__close:hover {
  background: var(--modal-close-bg-hover);
}

.chat-modal__close:hover svg {
  transform: rotate(360deg);
}

.chat-modal__messages {
  display: flex;
  flex-direction: column;
  gap: 10px;
  width: 100%;
  max-width: 770px;
  margin: 0 auto;
  padding-right: 0;
}

.chat-modal__messages .chat-message--user {
  align-self: flex-end;
  background: transparent;
  color: var(--modal-user-text);
  border: none;
  border-radius: 10px;
  box-shadow: none;
  max-width: min(75%, 760px);
}

.chat-modal__messages .chat-message--ai {
  align-self: flex-start;
  background: transparent;
  color: var(--modal-ai-text);
  border: none;
  border-radius: 0;
  box-shadow: none;
  padding: 2px 0;
  max-width: 100%;
  font-family: "SuisseWorks", Georgia, "Times New Roman", serif;
  font-weight: 400;
  font-style: normal;
  font-size: clamp(1rem, 1.1vw, 1.375rem);
  line-height: 1.5;
}

@media (min-width: 1024px) {
  .chat-modal__messages .chat-message--ai {
    font-size: 1.375rem;
  }
}

.chat-modal__messages .chat-message--thinking {
  padding: 2px 0;
}

.chat-followup-row {
  width: 100%;
  display: flex;
  justify-content: flex-start;
  margin-top: 14px;
}

.chat-followup-chip {
  border-radius: 0;
  padding: 0;
  border: none;
  background: transparent;
  color: #747474;
  cursor: pointer;
  font-size: 0.95rem;
  line-height: 1.4;
  display: inline-flex;
  align-items: flex-start;
  gap: 6px;
  width: -moz-fit-content;
  width: fit-content;
  align-self: flex-start;
  transition: transform 0.2s ease;
}

.chat-followup-chip::before {
  content: "↳";
  opacity: 0.7;
}

.chat-followup-chip:hover {
  color: #747474;
  transform: translateY(-1px);
}

.chat-followup-chip:disabled {
  opacity: 0.6;
  cursor: default;
}

:root:not([data-theme="light"]) .hero-suggestions .pill,
:root:not([data-theme="light"]) .chat-followup-chip {
  color: #cacaca;
}

.chat-thinking-dots {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.chat-thinking-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: color-mix(in srgb, var(--modal-ai-text) 45%, transparent);
  animation: chat-dot-jump 900ms ease-in-out infinite;
}

.chat-thinking-dot:nth-child(2) {
  animation-delay: 120ms;
}

.chat-thinking-dot:nth-child(3) {
  animation-delay: 240ms;
}

@keyframes chat-dot-jump {
  0%,
  60%,
  100% {
    transform: translateY(0);
    opacity: 0.45;
  }
  30% {
    transform: translateY(-4px);
    opacity: 1;
  }
}

.chat-scroll-anchor {
  width: 1px;
  height: 1px;
}

.chat-modal__composer {
  position: sticky;
  bottom: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  width: calc(100% - 40px);
  max-width: 770px;
  margin-left: auto;
  margin-right: auto;
  padding: 14px 24px;
  border-radius: 14px;
  border: 1px solid var(--modal-composer-border);
  background: var(--modal-composer-bg);
  box-shadow: 0 2px 8px 0 rgba(0, 0, 0, 0.11);
}

.chat-modal__input {
  flex: 1;
  width: 100%;
  min-height: 0;
  resize: none;
  border: none;
  background: transparent;
  color: var(--modal-ai-text);
  padding: 0;
  font-family: "SuisseIntl", -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  font-size: 1rem;
  line-height: 1.5;
}

.chat-modal__input::placeholder {
  color: var(--modal-composer-placeholder);
}

.chat-modal__send {
  width: 36px;
  height: 36px;
  padding: 0;
  border-radius: 50%;
  border: none;
  background: var(--modal-send-bg);
  color: var(--modal-send-icon);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
}

.chat-modal__send svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

.chat-fly {
  position: fixed;
  margin: 0;
  pointer-events: none;
  z-index: 260;
  transform-origin: top left;
  will-change: transform, opacity;
}

.chat-modal--animating .chat-modal__composer {
  opacity: 0;
}

.section {
  padding: 28px 0;
  border-bottom: 1px solid var(--border);
}

.section.hero {
  border-bottom: none;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: "SuisseIntl", -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  font-weight: 500;
  line-height: 1.15;
  margin: 0 0 10px;
}

h1 {
  letter-spacing: -0.03em;
}

h2 {
  letter-spacing: -0.02em;
}

h3 {
  letter-spacing: -0.01em;
}

p {
  margin: 0;
  color: var(--muted);
  max-width: 65ch;
}

/* Keep this mobile override at file end so it wins cascade */
@media (max-width: 767px) {
  .chat-modal__frame {
    padding: 10px;
  }

  .chat-modal__panel {
    border-radius: 0;
  }

  .chat-modal__messages .chat-message--ai {
    padding: 2px 20px;
  }

  .chat-followup-chip {
    padding-left: 20px;
    padding-right: 20px;
  }
}