/* ============================================================
   Oden Peak — Global Styles
   Brand color: #DD3739
   Site width: 1440px
   ============================================================ */

/* ----------------------------------------------------------
   1. CSS Custom Properties (Design Tokens)
   ---------------------------------------------------------- */
:root {
  /* Brand */
  --color-primary:          #DD3739;
  --color-primary-dark:     #B82C2E;
  --color-primary-light:    #F25557;
  --color-primary-bg:       #FFF3F3;

  /* Neutral */
  --color-white:            #FFFFFF;
  --color-black:            #0D0D0D;
  --color-gray-900:         #1A1A1A;
  --color-gray-800:         #2C2C2C;
  --color-gray-700:         #444444;
  --color-gray-600:         #5E5E5E;
  --color-gray-500:         #7A7A7A;
  --color-gray-400:         #9E9E9E;
  --color-gray-300:         #C8C8C8;
  --color-gray-200:         #E4E4E4;
  --color-gray-100:         #F5F5F5;
  --color-gray-50:          #FAFAFA;

  /* Nature accent (garden/outdoor) */
  --color-nature-dark:      #2A5C3F;
  --color-nature:           #3D7A58;
  --color-nature-light:     #EAF4EE;

  /* Functional */
  --color-success:          #28A745;
  --color-warning:          #FFC107;
  --color-error:            #DC3545;
  --color-info:             #17A2B8;

  /* Text */
  --text-primary:           var(--color-gray-900);
  --text-secondary:         var(--color-gray-600);
  --text-muted:             var(--color-gray-400);
  --text-on-primary:        var(--color-white);
  --text-link:              var(--color-primary);
  --text-link-hover:        var(--color-primary-dark);

  /* Backgrounds */
  --bg-body:                var(--color-white);
  --bg-section-alt:         var(--color-gray-50);
  --bg-dark:                var(--color-gray-900);

  /* Typography — Font Families */
  --font-heading:           'Geist';
  --font-body:              'Geist';
  --font-mono:              'Courier New', Courier, monospace;

  /* Typography — Font Sizes (fluid scale) */
  --text-xs:                0.75rem;    /* 12px */
  --text-sm:                0.875rem;   /* 14px */
  --text-base:              1rem;       /* 16px */
  --text-md:                1.125rem;   /* 18px */
  --text-lg:                1.25rem;    /* 20px */
  --text-xl:                1.5rem;     /* 24px */
  --text-2xl:               1.875rem;   /* 30px */
  --text-3xl:               2.25rem;    /* 36px */
  --text-4xl:               3rem;       /* 48px */
  --text-5xl:               3.75rem;    /* 60px */

  /* Typography — Font Weights */
  --fw-regular:             400;
  --fw-medium:              500;
  --fw-semibold:            600;
  --fw-bold:                700;
  --fw-extrabold:           800;

  /* Typography — Line Heights */
  --lh-tight:               1.2;
  --lh-snug:                1.35;
  --lh-normal:              1.6;
  --lh-relaxed:             1.75;

  /* Spacing */
  --space-1:                0.25rem;    /* 4px */
  --space-2:                0.5rem;     /* 8px */
  --space-3:                0.75rem;    /* 12px */
  --space-4:                1rem;       /* 16px */
  --space-5:                1.25rem;    /* 20px */
  --space-6:                1.5rem;     /* 24px */
  --space-8:                2rem;       /* 32px */
  --space-10:               2.5rem;     /* 40px */
  --space-12:               3rem;       /* 48px */
  --space-16:               4rem;       /* 64px */
  --space-20:               5rem;       /* 80px */
  --space-24:               6rem;       /* 96px */

  /* Border */
  --border-radius-sm:       4px;
  --border-radius:          8px;
  --border-radius-md:       12px;
  --border-radius-lg:       16px;
  --border-radius-xl:       24px;
  --border-radius-full:     9999px;
  --border-color:           var(--color-gray-200);
  --border-color-dark:      var(--color-gray-300);

  /* Shadow */
  --shadow-xs:              0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-sm:              0 2px 6px rgba(0, 0, 0, 0.08);
  --shadow-md:              0 4px 16px rgba(0, 0, 0, 0.10);
  --shadow-lg:              0 8px 32px rgba(0, 0, 0, 0.12);
  --shadow-xl:              0 16px 48px rgba(0, 0, 0, 0.14);
  --shadow-primary:         0 4px 16px rgba(221, 55, 57, 0.30);

  /* Transition */
  --transition-fast:        150ms ease;
  --transition-base:        250ms ease;
  --transition-slow:        400ms ease;

  /* Z-index layers */
  --z-below:                -1;
  --z-base:                 0;
  --z-raised:               10;
  --z-dropdown:             100;
  --z-sticky:               200;
  --z-overlay:              300;
  --z-modal:                400;
  --z-toast:                500;
}


/* ----------------------------------------------------------
   2. Reset & Base
   ---------------------------------------------------------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: var(--fw-regular);
  line-height: var(--lh-normal);
  color: var(--text-primary);
  background-color: var(--bg-body);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

img {
  height: auto;
  object-fit: cover;
}

ul,
ol {
  list-style: none;
}

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

button,
input,
select,
textarea {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
  border: none;
  background: none;
  outline: none;
}

button {
  cursor: pointer;
}

table {
  border-collapse: collapse;
  border-spacing: 0;
}

fieldset {
  border: none;
}

address {
  font-style: normal;
}


/* ----------------------------------------------------------
   3. Typography
   ---------------------------------------------------------- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: var(--fw-bold);
  line-height: var(--lh-tight);
  color: var(--text-primary);
}

h1 { font-size: var(--text-5xl); }
h2 { font-size: var(--text-4xl); }
h3 { font-size: var(--text-3xl); }
h4 { font-size: var(--text-2xl); }
h5 { font-size: var(--text-xl); }
h6 { font-size: var(--text-lg); }

p {
  line-height: var(--lh-relaxed);
  color: var(--text-secondary);
}

strong, b {
  font-weight: var(--fw-semibold);
  color: var(--text-primary);
}

em, i {
  font-style: italic;
}

small {
  font-size: var(--text-sm);
  color: var(--text-muted);
}

blockquote {
  border-left: 4px solid var(--color-primary);
  padding-left: var(--space-6);
  color: var(--text-secondary);
  font-size: var(--text-md);
  font-style: italic;
}

code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  background-color: var(--color-gray-100);
  padding: 0.1em 0.4em;
  border-radius: var(--border-radius-sm);
}


/* ----------------------------------------------------------
   4. Links
   ---------------------------------------------------------- */
.link {
  color: var(--text-link);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--transition-fast);
}

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


/* ----------------------------------------------------------
   5. Buttons
   ---------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-8);
  font-family: var(--font-heading);
  font-size: var(--text-base);
  font-weight: var(--fw-semibold);
  line-height: 1;
  border-radius: var(--border-radius-full);  /* 全圆角 */
  border: 2px solid transparent;
  cursor: pointer;
  transition: background-color var(--transition-fast),
              color var(--transition-fast),
              border-color var(--transition-fast),
              transform var(--transition-fast);
  white-space: nowrap;
  user-select: none;
}

.btn:active {
  transform: translateY(1px);
}

/* ① Logo 背景色 + 白字 */
.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}

.btn-primary:hover {
  background-color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
}

/* ② 白色背景 + 黑字 */
.btn-plain {
  background-color: var(--color-white);
  color: var(--color-black);
  border-color: var(--color-white);
}

.btn-plain:hover {
  background-color: var(--color-gray-100);
  border-color: var(--color-gray-200);
}

/* Sizes */
.btn-sm {
  padding: var(--space-2) var(--space-5);
  font-size: var(--text-base);
}

.btn-lg {
  padding: var(--space-4) var(--space-10);
  font-size: var(--text-md);
}

.btn-xl {
  padding: var(--space-5) var(--space-12);
  font-size: var(--text-lg);
}

/* Full width */
.btn-block {
  width: 100%;
}

/* Icon only */
.btn-icon {
  padding: var(--space-3);
  aspect-ratio: 1;
}


/* ----------------------------------------------------------
   6. Form Elements
   ---------------------------------------------------------- */
.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-label {
  font-size: var(--text-sm);
  font-weight: var(--fw-medium);
  color: var(--text-primary);
}

.form-control {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-base);
  color: var(--text-primary);
  background-color: var(--color-white);
  border: 1.5px solid var(--border-color);
  border-radius: var(--border-radius);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-control::placeholder {
  color: var(--text-muted);
}

.form-control:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(221, 55, 57, 0.15);
}

.form-control:disabled {
  background-color: var(--color-gray-100);
  color: var(--text-muted);
  cursor: not-allowed;
}

textarea.form-control {
  resize: vertical;
  min-height: 120px;
}

select.form-control {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%237A7A7A' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-4) center;
  padding-right: var(--space-10);
}


/* ----------------------------------------------------------
   7. Badges & Tags
   ---------------------------------------------------------- */
.badge {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
  font-weight: var(--fw-semibold);
  line-height: 1;
  border-radius: var(--border-radius-full);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.badge-primary {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.badge-primary-light {
  background-color: var(--color-primary-bg);
  color: var(--color-primary);
}

.badge-nature {
  background-color: var(--color-nature-light);
  color: var(--color-nature-dark);
}

.badge-dark {
  background-color: var(--color-gray-900);
  color: var(--color-white);
}

.badge-gray {
  background-color: var(--color-gray-100);
  color: var(--color-gray-600);
}


/* ----------------------------------------------------------
   8. Divider
   ---------------------------------------------------------- */
.divider {
  border: none;
  border-top: 1px solid var(--border-color);
  margin: 0;
}

.divider-bold {
  border-top-width: 2px;
  border-color: var(--border-color-dark);
}


/* ----------------------------------------------------------
   9. Section Titles (shared component)
   ---------------------------------------------------------- */
.section-header {
  text-align: center;
  max-width: 640px;
  margin-inline: auto;
}

.section-label,
.eyebrow-pill,
.about-intro__eyebrow,
.about-values__eyebrow,
.about-process__eyebrow,
.about-factory__eyebrow,
.contact-hero__eyebrow,
.products-hero__eyebrow,
.products-capability__eyebrow,
.products-next__eyebrow,
.product-categories__tag,
.manufacturing-flow__tag,
.about-showcase__tag,
.testimonials__tag,
.news-section__tag,
.contact-section__badge {
  margin: 0 0 var(--space-3);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  width: fit-content;
  padding: 4px 12px;
  border-radius: 999px;
  background: #fff;
  border: 1px solid rgba(221, 55, 57, 0.12);
  box-shadow: 0 8px 16px rgba(221, 55, 57, 0.08);
  color: var(--color-primary);
  font-size: 0.875rem;
  font-weight: var(--fw-semibold);
  line-height: 1.2;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.section-title {
  font-family: var(--font-heading);
  font-size: var(--text-3xl);
  font-weight: var(--fw-extrabold);
  color: var(--text-primary);
  line-height: var(--lh-snug);
  margin-bottom: var(--space-4);
}

.section-subtitle {
  font-size: var(--text-md);
  color: var(--text-secondary);
  line-height: var(--lh-relaxed);
  margin-bottom: var(--space-6);
}


/* ----------------------------------------------------------
   10. Overlay & Skeleton (utilities)
   ---------------------------------------------------------- */
.overlay {
  position: absolute;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.45);
}

.overlay-light {
  background-color: rgba(0, 0, 0, 0.25);
}

.overlay-dark {
  background-color: rgba(0, 0, 0, 0.65);
}

/* Image hover zoom */
.img-zoom {
  overflow: hidden;
}

.img-zoom img {
  transition: transform var(--transition-slow);
}

.img-zoom:hover img {
  transform: scale(1.05);
}


/* ----------------------------------------------------------
   11. Accessibility
   ---------------------------------------------------------- */
.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;
}

:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
}


/* ----------------------------------------------------------
   12. Scrollbar (Webkit)
   ---------------------------------------------------------- */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: var(--color-gray-100);
}

::-webkit-scrollbar-thumb {
  background: var(--color-gray-300);
  border-radius: var(--border-radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-gray-400);
}


/* ----------------------------------------------------------
   13. Selection
   ---------------------------------------------------------- */
::selection {
  background-color: var(--color-primary);
  color: var(--color-white);
}


/* ----------------------------------------------------------
   14. Footer CTA (pre-footer banner with background image)
   ---------------------------------------------------------- */
.footer-cta {
  position: relative;
  overflow: hidden;
}

.footer-cta__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  z-index: 0;
}

.footer-cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(13, 13, 13, 0.35);
  pointer-events: none;
  z-index: 1;
}

.footer-cta__inner {
  position: relative;
  z-index: 2;
  max-width: 800px;
  margin-inline: auto;
  padding: clamp(5rem, 10vw, 8rem) var(--space-8) 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-6);
  text-align: center;
}

.footer-cta__title {
  font-size: clamp(2rem, 3.8vw, 3.1rem);
  font-weight: var(--fw-semibold);
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--color-white);
}

.footer-cta__subtitle {
  font-size: var(--text-md);
  line-height: var(--lh-relaxed);
  color: rgba(255, 255, 255, 0.82);
  max-width: 560px;
}

.footer-cta__btn {
  padding: var(--space-4) var(--space-10);
  font-size: var(--text-md);
}

/* Giant decorative text — partially hidden behind footer */
.footer-cta__deco {
  position: relative;
  z-index: 2;
  display: block;
  font-family: var(--font-heading);
  font-size: clamp(100px, 17vw, 280px);
  font-weight: var(--fw-bold);
  font-style: italic;
  line-height: 1;
  letter-spacing: -0.03em;
  color: rgba(255, 255, 255, 0.3);
  white-space: nowrap;
  user-select: none;
  pointer-events: none;
  text-align: center;
  margin-top: var(--space-8);
  margin-bottom: -0.25em;
}


/* ----------------------------------------------------------
   15. Inquiry Modal
   ---------------------------------------------------------- */
.modal-open {
  overflow: hidden;
}

.inquiry-modal {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  padding: var(--space-6);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.38s cubic-bezier(0.4, 0, 0.2, 1), visibility 0s linear 0.38s;
  z-index: var(--z-modal);
}

.inquiry-modal.is-open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transition-delay: 0s;
}

.inquiry-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(13, 13, 13, 0.52);
  opacity: 0;
  transition: opacity 0.38s cubic-bezier(0.4, 0, 0.2, 1);
}

.inquiry-modal.is-open .inquiry-modal__backdrop {
  opacity: 1;
}

.inquiry-modal__dialog {
  position: relative;
  width: min(560px, 100%);
  background-color: var(--color-white);
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--color-gray-200);
  padding: var(--space-8);
  opacity: 0;
  transform: translateY(18px) scale(0.96);
  transition: opacity 0.42s cubic-bezier(0.4, 0, 0.2, 1), transform 0.52s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.inquiry-modal.is-open .inquiry-modal__dialog {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.inquiry-modal__close {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  width: 34px;
  height: 34px;
  border-radius: var(--border-radius-full);
  border: 1px solid var(--color-gray-200);
  color: var(--color-gray-700);
  font-size: 22px;
  line-height: 1;
}

.inquiry-modal__title {
  margin-bottom: var(--space-2);
  padding-right: var(--space-8);
  font-size: clamp(1.5rem, 2.5vw, 1.9rem);
  color: var(--color-gray-900);
}

.inquiry-modal__subtitle {
  margin-bottom: var(--space-6);
  color: var(--color-gray-600);
}

.inquiry-modal__form {
  display: grid;
  gap: var(--space-4);
}

.inquiry-modal__field {
  display: grid;
  gap: 6px;
}

.inquiry-modal__field label {
  font-size: var(--text-sm);
  font-weight: var(--fw-medium);
  color: var(--color-gray-700);
}

.inquiry-modal__field input,
.inquiry-modal__field textarea {
  width: 100%;
  border: 1px solid var(--color-gray-200);
  border-radius: var(--border-radius);
  padding: 11px 12px;
  background: var(--color-white);
  color: var(--color-gray-900);
  resize: vertical;
}

.inquiry-modal__field input:focus,
.inquiry-modal__field textarea:focus {
  border-color: var(--color-primary);
  outline: none;
}

.inquiry-modal__submit {
  justify-self: start;
}

@media (max-width: 768px) {
  .footer-cta__btn {
    padding: var(--space-3) var(--space-8);
    font-size: var(--text-base);
  }
}

@media (max-width: 480px) {
  .footer-cta__inner {
    gap: var(--space-4);
  }

  .inquiry-modal {
    padding: var(--space-4);
  }

  .inquiry-modal__dialog {
    padding: var(--space-6);
  }

  .inquiry-modal__submit {
    width: 100%;
  }
}