/* ============================================================
   Event Planning — style.css
   Seed: h473tpbw | Convention: BEM | Scale: 4/8/12/16/24/32/48/64px
   Typography: geometric/modern system sans
   Buttons: pill shape, solid fill, hover lift
   ============================================================ */

/* ----------------------------------------------------------
   0. Custom properties
---------------------------------------------------------- */
:root {
  /* Colours */
  --color-bg:          #0d0e12;
  --color-surface:     #16181f;
  --color-surface-alt: #1e2029;
  --color-border:      #2a2d38;
  --color-accent:      #6c63ff;
  --color-accent-dim:  #4f48cc;
  --color-accent-glow: rgba(108, 99, 255, 0.18);
  --color-text:        #e8e9ef;
  --color-text-muted:  #8b8fa8;
  --color-text-faint:  #585c73;
  --color-heading:     #ffffff;

  /* Spacing scale (rem) */
  --sp-1:  0.25rem;  /* 4px  */
  --sp-2:  0.5rem;   /* 8px  */
  --sp-3:  0.75rem;  /* 12px */
  --sp-4:  1rem;     /* 16px */
  --sp-6:  1.5rem;   /* 24px */
  --sp-8:  2rem;     /* 32px */
  --sp-12: 3rem;     /* 48px */
  --sp-16: 4rem;     /* 64px */

  /* Typography */
  --font-base: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, Arial, sans-serif;
  --fs-xs:   0.75rem;
  --fs-sm:   0.875rem;
  --fs-base: 1rem;
  --fs-md:   1.125rem;
  --fs-lg:   1.375rem;
  --fs-xl:   1.75rem;
  --fs-2xl:  2.25rem;
  --fs-3xl:  3rem;

  /* Layout */
  --container-max: 720px;
  --container-wide: 960px;
  --radius-pill: 9999px;
  --radius-card: 12px;

  /* Header */
  --header-height: 64px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-base);
  font-weight: 500;
  font-size: var(--fs-base);
  line-height: 1.7;
  background-color: var(--color-bg);
  color: var(--color-text);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

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

a:hover {
  color: #9d97ff;
}

ul {
  list-style: none;
}

/* ----------------------------------------------------------
   2. Skip link
---------------------------------------------------------- */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--sp-4);
  z-index: 9999;
  padding: var(--sp-2) var(--sp-4);
  background: var(--color-accent);
  color: #fff;
  border-radius: var(--radius-pill);
  font-size: var(--fs-sm);
  font-weight: 700;
  transition: top 0.2s;
}

.skip-link:focus {
  top: var(--sp-2);
}

/* ----------------------------------------------------------
   3. Container
---------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--sp-6);
}

/* ----------------------------------------------------------
   4. Section headings & shared typography
---------------------------------------------------------- */
.section-heading {
  font-size: var(--fs-xl);
  font-weight: 700;
  color: var(--color-heading);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  line-height: 1.25;
  margin-bottom: var(--sp-6);
}

.section-intro {
  font-size: var(--fs-md);
  color: var(--color-text-muted);
  max-width: 580px;
  margin-bottom: var(--sp-8);
  line-height: 1.65;
}

/* ----------------------------------------------------------
   5. Buttons
---------------------------------------------------------- */
.btn-cta {
  display: inline-block;
  padding: var(--sp-3) var(--sp-8);
  background-color: var(--color-accent);
  color: #fff;
  font-size: 1rem;
  font-weight: 700;
  border-radius: var(--radius-pill);
  border: none;
  cursor: pointer;
  text-decoration: none;
  letter-spacing: 0.02em;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background-color 0.18s ease;
  box-shadow: 0 4px 16px rgba(108, 99, 255, 0.28);
}

.btn-cta:hover,
.btn-cta:focus-visible {
  background-color: var(--color-accent-dim);
  transform: translateY(-3px);
  box-shadow: 0 8px 28px rgba(108, 99, 255, 0.42);
  color: #fff;
}

.btn-cta--full {
  display: block;
  width: 100%;
  text-align: center;
  padding: var(--sp-4) var(--sp-8);
  font-size: var(--fs-md);
}

/* ----------------------------------------------------------
   6. Header
---------------------------------------------------------- */
.site-header {
  background-color: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  min-height: var(--header-height);
  padding-block: var(--sp-4);
}

.site-header__inner {
  display: flex;
  align-items: center;
  min-height: calc(var(--header-height) - var(--sp-8));
}

.site-header__logo {
  text-decoration: none;
}

.site-header__wordmark {
  font-size: var(--fs-lg);
  font-weight: 700;
  color: var(--color-heading);
  letter-spacing: -0.01em;
  display: flex;
  align-items: center;
  gap: var(--sp-2);
}

.site-header__wordmark::before {
  content: '\25C6';
  color: var(--color-accent);
  font-size: 0.9em;
}

/* ----------------------------------------------------------
   7. Hero
---------------------------------------------------------- */
.hero {
  padding-block: var(--sp-16) var(--sp-12);
  background-color: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
}

.hero__inner {
  max-width: var(--container-wide);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-12);
  align-items: center;
}

.hero__eyebrow {
  font-size: var(--fs-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--color-accent);
  margin-bottom: var(--sp-4);
}

.hero__title {
  font-size: var(--fs-3xl);
  font-weight: 700;
  color: var(--color-heading);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: var(--sp-4);
}

.hero__sub {
  font-size: var(--fs-md);
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: var(--sp-8);
  max-width: 480px;
}

.hero__cta {
  font-size: 1rem;
  font-weight: 700;
}

.hero__visual {
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero__image {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--radius-card);
  max-height: 420px;
  box-shadow: 0 16px 48px rgba(0,0,0,0.5);
  border: 1px solid var(--color-border);
}

/* ----------------------------------------------------------
   8. Intro band
---------------------------------------------------------- */
.intro-band {
  padding-block: var(--sp-16);
  background-color: var(--color-surface);
}

.intro-band__body {
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
}

.intro-band__body p {
  font-size: var(--fs-md);
  line-height: 1.75;
  color: var(--color-text);
}

/* ----------------------------------------------------------
   9. Offerings
---------------------------------------------------------- */
.offerings {
  padding-block: var(--sp-16);
  background-color: var(--color-bg);
}

.offerings__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-6);
}

.offering-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: var(--sp-8);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.offering-card:hover {
  border-color: var(--color-accent);
  box-shadow: 0 4px 24px var(--color-accent-glow);
}

.offering-card__icon {
  font-size: 1.5rem;
  color: var(--color-accent);
  margin-bottom: var(--sp-4);
  display: block;
}

.offering-card__title {
  font-size: var(--fs-lg);
  font-weight: 700;
  color: var(--color-heading);
  margin-bottom: var(--sp-3);
  letter-spacing: -0.01em;
}

.offering-card__body {
  font-size: var(--fs-base);
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: var(--sp-4);
}

.offering-card__list {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}

.offering-card__list li {
  font-size: var(--fs-sm);
  color: var(--color-text);
  padding-left: var(--sp-4);
  position: relative;
}

.offering-card__list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 6px;
  height: 6px;
  background-color: var(--color-accent);
  border-radius: 50%;
}

/* ----------------------------------------------------------
   10. Approach
---------------------------------------------------------- */
.approach {
  padding-block: var(--sp-16);
  background-color: var(--color-surface-alt);
  border-block: 1px solid var(--color-border);
}

.approach .container {
  max-width: var(--container-wide);
}

.approach__layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-12);
  align-items: start;
}

.approach__image {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  border-radius: var(--radius-card);
  max-height: 480px;
  box-shadow: 0 12px 40px rgba(0,0,0,0.45);
  border: 1px solid var(--color-border);
}

.approach__text .section-heading {
  margin-bottom: var(--sp-6);
}

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

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

/* ----------------------------------------------------------
   11. Guide
---------------------------------------------------------- */
.guide {
  padding-block: var(--sp-16);
  background-color: var(--color-bg);
}

.guide__items {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.guide__item {
  display: grid;
  grid-template-columns: 3rem 1fr;
  gap: var(--sp-6);
  padding-block: var(--sp-8);
  border-bottom: 1px solid var(--color-border);
  align-items: start;
}

.guide__item:first-child {
  border-top: 1px solid var(--color-border);
}

.guide__number {
  font-size: var(--fs-sm);
  font-weight: 700;
  color: var(--color-accent);
  letter-spacing: 0.06em;
  padding-top: var(--sp-1);
  font-variant-numeric: tabular-nums;
}

.guide__item-title {
  font-size: var(--fs-md);
  font-weight: 700;
  color: var(--color-heading);
  margin-bottom: var(--sp-3);
  letter-spacing: -0.01em;
}

.guide__item-text p {
  font-size: var(--fs-base);
  color: var(--color-text-muted);
  line-height: 1.75;
}

/* ----------------------------------------------------------
   12. Image band
---------------------------------------------------------- */
.image-band {
  padding-block: var(--sp-12);
  background-color: var(--color-surface);
  border-block: 1px solid var(--color-border);
}

.image-band .container {
  max-width: var(--container-wide);
}

.image-band__img {
  width: 100%;
  aspect-ratio: 16 / 6;
  object-fit: cover;
  border-radius: var(--radius-card);
  max-height: 360px;
  border: 1px solid var(--color-border);
}

/* ----------------------------------------------------------
   13. FAQ
---------------------------------------------------------- */
.faq {
  padding-block: var(--sp-16);
  background-color: var(--color-bg);
}

.faq__list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.faq__item {
  border-bottom: 1px solid var(--color-border);
}

.faq__item:first-child {
  border-top: 1px solid var(--color-border);
}

.faq__question {
  font-size: var(--fs-md);
  font-weight: 700;
  color: var(--color-heading);
  padding-block: var(--sp-6);
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--sp-4);
  user-select: none;
}

.faq__question::-webkit-details-marker {
  display: none;
}

.faq__question::after {
  content: '+';
  color: var(--color-accent);
  font-size: var(--fs-xl);
  font-weight: 300;
  flex-shrink: 0;
  line-height: 1;
  transition: transform 0.2s;
}

details[open] .faq__question::after {
  transform: rotate(45deg);
}

.faq__answer {
  font-size: var(--fs-base);
  color: var(--color-text-muted);
  line-height: 1.75;
  padding-bottom: var(--sp-6);
  padding-right: var(--sp-8);
}

/* ----------------------------------------------------------
   14. Form zone
---------------------------------------------------------- */
.form-zone {
  padding-block: var(--sp-16);
  background-color: var(--color-surface);
  border-top: 1px solid var(--color-border);
}

.form-box {
  background-color: var(--color-surface-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: var(--sp-12) var(--sp-8);
}

.form-box__title {
  font-size: var(--fs-xl);
  font-weight: 700;
  color: var(--color-heading);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--sp-3);
}

.form-box__intro {
  font-size: var(--fs-base);
  color: var(--color-text-muted);
  margin-bottom: var(--sp-8);
  line-height: 1.65;
}

.form-box__privacy {
  font-size: var(--fs-xs);
  color: var(--color-text-faint);
  margin-top: var(--sp-4);
  text-align: center;
  line-height: 1.5;
}

/* ----------------------------------------------------------
   15. Field styles (injected form)
---------------------------------------------------------- */
.field {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
  margin-bottom: var(--sp-4);
}

.field__label {
  font-size: var(--fs-sm);
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: 0.03em;
}

.field__required {
  color: var(--color-accent);
  margin-left: 2px;
}

.field__input {
  width: 100%;
  padding: var(--sp-3) var(--sp-4);
  font-family: var(--font-base);
  font-size: var(--fs-base);
  font-weight: 500;
  color: var(--color-text);
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  outline: none;
  transition: border-color 0.18s, box-shadow 0.18s;
  -webkit-appearance: none;
  appearance: none;
}

.field__input::placeholder {
  color: var(--color-text-faint);
}

.field__input:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-glow);
}

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

.field__error {
  font-size: var(--fs-xs);
  color: #ff6b6b;
  font-weight: 700;
}

/* ----------------------------------------------------------
   16. Name row & phone wrap
---------------------------------------------------------- */
.name-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-4);
}

.phone-wrap {
  display: flex;
  gap: var(--sp-2);
}

.phone-wrap__dial {
  width: 90px;
  flex-shrink: 0;
}

.phone-wrap__number {
  flex: 1;
}

/* ----------------------------------------------------------
   17. Form messages
---------------------------------------------------------- */
.form-message {
  padding: var(--sp-3) var(--sp-4);
  border-radius: 8px;
  font-size: var(--fs-sm);
  font-weight: 700;
  margin-bottom: var(--sp-4);
}

.form-message--error {
  background-color: rgba(255, 107, 107, 0.1);
  border: 1px solid rgba(255, 107, 107, 0.4);
  color: #ff6b6b;
}

.form-message--success {
  background-color: rgba(108, 199, 148, 0.1);
  border: 1px solid rgba(108, 199, 148, 0.4);
  color: #6cc794;
}

.form-success {
  text-align: center;
  padding: var(--sp-8);
}

.form-success__title {
  font-size: var(--fs-lg);
  font-weight: 700;
  color: var(--color-heading);
  margin-bottom: var(--sp-3);
}

.form-success__msg {
  font-size: var(--fs-base);
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* ----------------------------------------------------------
   18. Footer
---------------------------------------------------------- */
.site-footer {
  background-color: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding-block: var(--sp-8);
}

.site-footer__inner {
  max-width: var(--container-wide);
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--sp-8);
  flex-wrap: wrap;
}

.site-footer__brand {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}

.site-footer__name {
  font-size: var(--fs-md);
  font-weight: 700;
  color: var(--color-heading);
  letter-spacing: -0.01em;
}

.site-footer__tagline {
  font-size: var(--fs-xs);
  color: var(--color-text-faint);
  letter-spacing: 0.02em;
}

.site-footer__meta {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: var(--sp-3);
}

.site-footer__nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-4);
  justify-content: flex-end;
}

.site-footer__nav a {
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color 0.18s;
}

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

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

/* ----------------------------------------------------------
   19. Tablet (≤1024px)
---------------------------------------------------------- */
@media (max-width: 1024px) {
  .hero__inner {
    max-width: 100%;
    gap: var(--sp-8);
  }

  .approach .container {
    max-width: 100%;
  }

  .approach__layout {
    gap: var(--sp-8);
  }

  .image-band .container {
    max-width: 100%;
  }

  .site-footer__inner {
    max-width: 100%;
  }
}

/* ----------------------------------------------------------
   20. Mobile (≤768px)
---------------------------------------------------------- */
@media (max-width: 768px) {
  :root {
    --fs-3xl: 2.2rem;
    --fs-2xl: 1.75rem;
    --fs-xl:  1.4rem;
    --fs-lg:  1.2rem;
    --fs-md:  1rem;
  }

  /* Hero collapses to single column */
  .hero {
    padding-block: var(--sp-12) var(--sp-8);
  }

  .hero__inner {
    grid-template-columns: 1fr;
    gap: var(--sp-6);
    max-width: 100%;
  }

  .hero__visual {
    order: -1;
  }

  .hero__image {
    aspect-ratio: 16 / 9;
    max-height: 260px;
  }

  .hero__sub {
    max-width: 100%;
  }

  /* Approach collapses */
  .approach__layout {
    grid-template-columns: 1fr;
    gap: var(--sp-6);
  }

  .approach__image {
    aspect-ratio: 16 / 9;
    max-height: 240px;
  }

  /* Guide item */
  .guide__item {
    grid-template-columns: 2.5rem 1fr;
    gap: var(--sp-4);
  }

  /* Name row collapses */
  .name-row {
    grid-template-columns: 1fr;
  }

  /* Phone wrap */
  .phone-wrap {
    flex-direction: column;
  }

  .phone-wrap__dial {
    width: 100%;
  }

  /* Form box */
  .form-box {
    padding: var(--sp-8) var(--sp-6);
  }

  /* Footer */
  .site-footer__inner {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--sp-6);
  }

  .site-footer__meta {
    align-items: flex-start;
  }

  .site-footer__nav {
    justify-content: flex-start;
  }

  /* Image band */
  .image-band__img {
    aspect-ratio: 16 / 7;
    max-height: 220px;
  }

  /* Section intro */
  .section-intro {
    max-width: 100%;
  }
}

/* ----------------------------------------------------------
   21. Focus management (accessibility)
---------------------------------------------------------- */
a:focus-visible,
button:focus-visible,
details summary:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: 4px;
}