/*
 * Presentation layer — S.A.P.O. "site em construção" landing page.
 * Mobile-first, plain CSS3 (no build step, no external framework/CDN — see
 * technical spec -> Architecture Constraints).
 */

/* -----------------------------------------------------------------------
 * Design tokens (BR4: palette derived from the official logo — green,
 * white, gold, red). Centralized here so future adjustments do not require
 * touching multiple hardcoded values.
 * --------------------------------------------------------------------- */
:root {
  --color-green: #1f6b3f;
  --color-green-dark: #164a2c;
  --color-green-light: #e7f3ec;
  --color-gold: #c9a24b;
  --color-red: #d8402e;
  --color-white: #ffffff;
  --color-bg: #fbfaf6;
  --color-text: #23281f;
  --color-text-muted: #5a6153;
  --color-border: #dfe3d8;
  --color-error: #b3261e;
  --color-success: #1f6b3f;

  --font-family-base: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2.5rem;
  --spacing-xl: 4rem;

  --radius-md: 0.5rem;
  --radius-lg: 1rem;

  --container-max-width: 1120px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-family-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.5;
}

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

h1,
h2,
h3,
p {
  margin: 0 0 var(--spacing-sm);
}

a {
  color: var(--color-green);
}

.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin-inline: auto;
  padding-inline: var(--spacing-md);
}

/* -----------------------------------------------------------------------
 * Buttons
 * --------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 0.15rem;
  padding: 0.85rem 1.75rem;
  border: none;
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  text-align: center;
}

.btn--whatsapp {
  background-color: var(--color-green);
  color: var(--color-white);
}

.btn--whatsapp:hover {
  background-color: var(--color-green-dark);
}

.btn__note {
  font-size: 0.7rem;
  font-weight: 400;
  opacity: 0.85;
}

.btn--primary {
  background-color: var(--color-gold);
  color: var(--color-green-dark);
}

.btn--primary:hover {
  background-color: #b78f38;
}

.btn--primary:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* -----------------------------------------------------------------------
 * Header
 * --------------------------------------------------------------------- */
.site-header {
  background-color: var(--color-white);
  border-bottom: 4px solid var(--color-gold);
}

.site-header__inner {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding-block: var(--spacing-sm);
}

.site-header__logo {
  width: 56px;
  height: 56px;
  object-fit: contain;
}

.site-header__name {
  margin: 0;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-green-dark);
  line-height: 1.2;
}

.site-header__subtitle {
  display: block;
  font-size: 0.75rem;
  font-weight: 400;
  color: var(--color-text-muted);
}

/* -----------------------------------------------------------------------
 * Hero
 * --------------------------------------------------------------------- */
.hero {
  background-color: var(--color-green-light);
  padding-block: var(--spacing-xl);
}

.hero__inner {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
  align-items: center;
}

.hero__content {
  text-align: center;
}

.hero__badge {
  display: inline-block;
  margin: 0 0 var(--spacing-sm);
  padding: 0.25rem 0.85rem;
  border-radius: 999px;
  background-color: var(--color-red);
  color: var(--color-white);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.hero__title {
  font-size: 1.9rem;
  color: var(--color-green-dark);
}

.hero__text {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-md);
}

.hero__media {
  max-width: 320px;
  width: 100%;
}

.hero__photo {
  border-radius: var(--radius-lg);
  box-shadow: 0 12px 24px rgba(22, 74, 44, 0.18);
}

/* -----------------------------------------------------------------------
 * Sections (shared)
 * --------------------------------------------------------------------- */
section {
  padding-block: var(--spacing-xl);
}

.section-title {
  font-size: 1.6rem;
  color: var(--color-green-dark);
  text-align: center;
}

.section-text {
  text-align: center;
  color: var(--color-text-muted);
  max-width: 640px;
  margin-inline: auto;
  margin-bottom: var(--spacing-lg);
}

/* -----------------------------------------------------------------------
 * About / gallery (photos distributed inside the section — BR7, no
 * standalone gallery)
 * --------------------------------------------------------------------- */
.about {
  background-color: var(--color-white);
}

.about__gallery {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-lg);
  max-width: 720px;
  margin-inline: auto;
}

.about__item {
  margin: 0;
  text-align: center;
}

.about__item img {
  border-radius: var(--radius-lg);
  margin-inline: auto;
  box-shadow: 0 8px 18px rgba(22, 74, 44, 0.12);
}

.about__item figcaption {
  margin-top: var(--spacing-xs);
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

/* -----------------------------------------------------------------------
 * Contact form
 * --------------------------------------------------------------------- */
.contact {
  background-color: var(--color-green-light);
}

.contact-form {
  max-width: 560px;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  background-color: var(--color-white);
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  box-shadow: 0 8px 24px rgba(22, 74, 44, 0.1);
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.form-field label {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--color-green-dark);
}

.form-field input[type="text"],
.form-field input[type="email"],
.form-field textarea {
  padding: 0.65rem 0.85rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-family: inherit;
  font-size: 1rem;
  color: var(--color-text);
}

.form-field input:focus,
.form-field textarea:focus {
  outline: 2px solid var(--color-gold);
  outline-offset: 1px;
}

.form-field input[aria-invalid="true"],
.form-field textarea[aria-invalid="true"] {
  border-color: var(--color-error);
}

.form-field__error {
  min-height: 1.1em;
  font-size: 0.85rem;
  color: var(--color-error);
}

/*
 * Honeypot anti-spam field: hidden off-screen (not display:none) so it is
 * not trivially detected/ignored by simple bots (Security Constraints).
 */
.form-field--honeypot {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.privacy-notice {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  background-color: var(--color-green-light);
  border-left: 3px solid var(--color-gold);
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  margin: 0;
}

/* Contact form UI states (idle/sending/success/error — FR3). Names here
   must stay in sync with the FORM_STATE constant in assets/js/main.js. */
.contact-form.is-sending .btn--primary {
  opacity: 0.75;
  cursor: progress;
}

.form-status {
  min-height: 1.2em;
  margin: 0;
  font-size: 0.9rem;
  font-weight: 600;
}

.form-status--sending {
  color: var(--color-text-muted);
}

.form-status--success {
  color: var(--color-success);
}

.form-status--error {
  color: var(--color-error);
}

/* -----------------------------------------------------------------------
 * Footer
 * --------------------------------------------------------------------- */
.site-footer {
  background-color: var(--color-green-dark);
  color: var(--color-white);
  padding-block: var(--spacing-lg);
}

.site-footer a {
  color: var(--color-gold);
}

.site-footer__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-md);
  text-align: center;
}

.site-footer__info {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-xs);
}

.site-footer__logo {
  width: 64px;
  height: 64px;
  object-fit: contain;
  background-color: var(--color-white);
  border-radius: 50%;
  padding: 0.35rem;
}

.site-footer__name {
  font-weight: 700;
  margin: 0;
}

.site-footer__instagram {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.site-footer__instagram-icon {
  flex-shrink: 0;
}

.site-footer__media {
  max-width: 220px;
  width: 100%;
}

/* -----------------------------------------------------------------------
 * Responsive breakpoints (mobile-first: base styles above = mobile)
 * --------------------------------------------------------------------- */

/* Tablet */
@media (min-width: 768px) {
  .hero__title {
    font-size: 2.4rem;
  }

  .about__gallery {
    grid-template-columns: repeat(2, 1fr);
  }

  .site-footer__inner {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }

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

/* Desktop */
@media (min-width: 1024px) {
  .hero__inner {
    flex-direction: row;
    text-align: left;
  }

  .hero__content {
    text-align: left;
    flex: 1;
  }

  .hero__media {
    max-width: 380px;
  }

  .hero__title {
    font-size: 2.8rem;
  }
}