/* ===== WAMIA IMMOBILIER ===== */

:root,
[data-theme='light'] {
  --color-bg: #faf9f6;
  --color-surface: #ffffff;
  --color-surface-2: #f2f0ea;
  --color-border: #e2dfd7;
  --color-text: #1c2436;
  --color-text-muted: #5d6373;
  --color-text-faint: #9aa0ad;
  --color-navy: #1b2a4a;
  --color-navy-deep: #131f38;
  --color-accent: #e8930c;
  --color-accent-hover: #c97c05;
  --color-on-navy: #f5f4ef;
  --shadow-sm: 0 1px 2px oklch(0.25 0.02 260 / 0.06);
  --shadow-md: 0 4px 16px oklch(0.25 0.02 260 / 0.1);
  --shadow-lg: 0 16px 40px oklch(0.25 0.02 260 / 0.16);

  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3.5rem);
  --text-3xl: clamp(2.5rem, 1rem + 4vw, 5rem);

  --space-1: 0.25rem; --space-2: 0.5rem; --space-3: 0.75rem; --space-4: 1rem;
  --space-5: 1.25rem; --space-6: 1.5rem; --space-8: 2rem; --space-10: 2.5rem;
  --space-12: 3rem; --space-16: 4rem; --space-20: 5rem; --space-24: 6rem; --space-32: 8rem;

  --radius-sm: 0.375rem; --radius-md: 0.5rem; --radius-lg: 0.75rem; --radius-xl: 1rem; --radius-full: 9999px;
  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);
  --content-wide: 1200px;

  --font-display: 'Satoshi', 'Trebuchet MS', sans-serif;
  --font-body: 'General Sans', 'Helvetica Neue', sans-serif;
}

[data-theme='dark'] {
  --color-bg: #12161f;
  --color-surface: #181d29;
  --color-surface-2: #1e2432;
  --color-border: #303849;
  --color-text: #d9dce2;
  --color-text-muted: #969caa;
  --color-text-faint: #626878;
  --color-navy: #101828;
  --color-navy-deep: #0b111f;
  --color-accent: #f2a02c;
  --color-accent-hover: #ffb54d;
  --color-on-navy: #e8e7e2;
  --shadow-sm: 0 1px 2px oklch(0 0 0 / 0.3);
  --shadow-md: 0 4px 16px oklch(0 0 0 / 0.4);
  --shadow-lg: 0 16px 40px oklch(0 0 0 / 0.5);
}

/* ---- base ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; scroll-behavior: smooth; scroll-padding-top: var(--space-20); }
body { min-height: 100dvh; line-height: 1.6; font-family: var(--font-body); font-size: var(--text-base); color: var(--color-text); background: var(--color-bg); }
img, svg { display: block; max-width: 100%; height: auto; }
input, button, select { font: inherit; color: inherit; }
h1, h2, h3, h4 { text-wrap: balance; line-height: 1.12; font-family: var(--font-display); }
p, li { text-wrap: pretty; max-width: 68ch; }
::selection { background: oklch(from var(--color-accent) l c h / 0.3); }
:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 3px; border-radius: var(--radius-sm); }
button { cursor: pointer; background: none; border: none; }
a, button, input, select { transition: color var(--transition-interactive), background var(--transition-interactive), border-color var(--transition-interactive), box-shadow var(--transition-interactive), transform var(--transition-interactive); }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; } }

.container { width: min(100% - 2 * var(--space-5), var(--content-wide)); margin-inline: auto; }

/* ---- header ---- */
.header { position: sticky; top: 0; z-index: 50; background: oklch(from var(--color-bg) l c h / 0.88); backdrop-filter: blur(12px); border-bottom: 1px solid transparent; }
.header--scrolled { border-bottom-color: var(--color-border); box-shadow: var(--shadow-sm); }
.header__inner { display: flex; align-items: center; justify-content: space-between; padding-block: var(--space-3); gap: var(--space-4); }
.brand { display: flex; align-items: center; gap: var(--space-2); text-decoration: none; color: var(--color-text); }
.brand__mark { width: 40px; flex-shrink: 0; }
.brand__text { font-family: var(--font-display); font-weight: 900; font-style: italic; font-size: 1.35rem; letter-spacing: 0.02em; line-height: 1; display: flex; flex-direction: column; }
.brand__text small { font-size: 0.55rem; font-style: normal; font-weight: 700; letter-spacing: 0.34em; color: var(--color-accent); }
.nav { display: flex; align-items: center; gap: var(--space-5); }
.nav > a:not(.btn) { text-decoration: none; color: var(--color-text-muted); font-size: var(--text-sm); font-weight: 500; }
.nav > a:not(.btn):hover { color: var(--color-text); }
.theme-toggle { display: grid; place-items: center; width: 36px; height: 36px; border-radius: var(--radius-full); color: var(--color-text-muted); }
.theme-toggle:hover { background: var(--color-surface-2); color: var(--color-text); }

/* ---- buttons ---- */
.btn { display: inline-block; background: var(--color-accent); color: #fff; font-weight: 700; font-size: var(--text-sm); padding: var(--space-3) var(--space-6); border-radius: var(--radius-md); text-decoration: none; text-align: center; }
[data-theme='dark'] .btn { color: #16120a; }
.btn:hover { background: var(--color-accent-hover); transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn--sm { padding: var(--space-2) var(--space-4); }
.btn--lg { padding: var(--space-4) var(--space-8); font-size: var(--text-base); }
.btn--full { width: 100%; }
.btn--ghost { background: transparent; border: 1.5px solid oklch(from var(--color-on-navy) l c h / 0.5); color: var(--color-on-navy); }
.btn--ghost:hover { background: oklch(from var(--color-on-navy) l c h / 0.12); box-shadow: none; }

/* ---- hero ---- */
.hero { position: relative; display: flex; flex-direction: column; justify-content: flex-end; min-height: min(92vh, 880px); color: var(--color-on-navy); isolation: isolate; }
.hero__img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: -2; }
.hero__overlay { position: absolute; inset: 0; z-index: -1; background: linear-gradient(200deg, oklch(from var(--color-navy) l c h / 0.55) 0%, oklch(from var(--color-navy-deep) l c h / 0.88) 78%); }
.hero__content { padding-block: var(--space-24) var(--space-16); }
.hero__kicker { font-size: var(--text-xs); font-weight: 600; letter-spacing: 0.22em; text-transform: uppercase; color: var(--color-accent); margin-bottom: var(--space-4); }
.hero h1 { font-size: var(--text-3xl); font-weight: 900; max-width: 14ch; }
.hero h1 em { font-style: italic; color: var(--color-accent); }
.hero__sub { margin-top: var(--space-5); font-size: var(--text-lg); max-width: 52ch; color: oklch(from var(--color-on-navy) l c h / 0.85); }
.hero__actions { display: flex; flex-wrap: wrap; gap: var(--space-4); margin-top: var(--space-8); }
.hero__stats { background: oklch(from var(--color-navy-deep) l c h / 0.75); backdrop-filter: blur(8px); border-top: 1px solid oklch(from var(--color-on-navy) l c h / 0.14); }
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-4); padding-block: var(--space-6); }
.stat { display: flex; flex-wrap: wrap; align-items: baseline; column-gap: var(--space-1); }
.stat__num { font-family: var(--font-display); font-weight: 900; font-style: italic; font-size: var(--text-xl); color: var(--color-accent); font-variant-numeric: tabular-nums; }
.stat__unit { font-weight: 700; color: var(--color-accent); font-size: var(--text-sm); }
.stat__label { flex-basis: 100%; font-size: var(--text-xs); color: oklch(from var(--color-on-navy) l c h / 0.72); }

/* ---- sections ---- */
.section { padding-block: clamp(var(--space-16), 8vw, var(--space-32)); }
.section--alt { background: var(--color-surface-2); }
.section__kicker { font-size: var(--text-xs); font-weight: 600; letter-spacing: 0.22em; text-transform: uppercase; color: var(--color-accent); margin-bottom: var(--space-3); }
.section h2 { font-size: var(--text-2xl); font-weight: 900; margin-bottom: var(--space-10); max-width: 22ch; }
.section__note { margin-top: var(--space-10); color: var(--color-text-muted); font-size: var(--text-sm); border-left: 3px solid var(--color-accent); padding-left: var(--space-4); }

/* ---- steps ---- */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-6); }
.step { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-xl); padding: var(--space-8); box-shadow: var(--shadow-sm); }
.step__delay { display: inline-block; font-family: var(--font-display); font-weight: 900; font-style: italic; font-size: var(--text-lg); color: var(--color-accent); margin-bottom: var(--space-4); }
.step h3 { font-size: var(--text-lg); margin-bottom: var(--space-3); font-weight: 700; }
.step p { color: var(--color-text-muted); font-size: var(--text-sm); }

/* ---- cards biens ---- */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-6); }
.card { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-xl); overflow: hidden; box-shadow: var(--shadow-sm); }
.card__media { position: relative; aspect-ratio: 4 / 3; overflow: hidden; }
.card__media img { width: 100%; height: 100%; object-fit: cover; }
.card__badge { position: absolute; top: var(--space-3); left: var(--space-3); background: var(--color-accent); color: #fff; font-size: var(--text-xs); font-weight: 700; font-style: italic; padding: var(--space-1) var(--space-3); border-radius: var(--radius-full); }
[data-theme='dark'] .card__badge { color: #16120a; }
.card__badge--build { background: var(--color-navy); color: var(--color-on-navy); }
[data-theme='dark'] .card__badge--build { background: #2b3a5c; color: var(--color-on-navy); }
.card__body { padding: var(--space-5) var(--space-6) var(--space-6); }
.card__body h3 { font-size: var(--text-base); font-weight: 700; margin-bottom: var(--space-1); }
.card__body p { color: var(--color-text-muted); font-size: var(--text-sm); margin-bottom: var(--space-3); }
.card__price { font-family: var(--font-display); font-weight: 900; color: var(--color-navy); font-size: var(--text-lg); font-variant-numeric: tabular-nums; }
[data-theme='dark'] .card__price { color: var(--color-accent); }

/* ---- directeur ---- */
.director { display: grid; grid-template-columns: 2fr 3fr; gap: clamp(var(--space-8), 5vw, var(--space-16)); align-items: center; }
.director__photo img { border-radius: var(--radius-xl); box-shadow: var(--shadow-lg); }
.director__text h2 { margin-bottom: var(--space-5); }
.director__text blockquote { font-family: var(--font-display); font-style: italic; font-weight: 700; font-size: var(--text-lg); color: var(--color-navy); border-left: 3px solid var(--color-accent); padding-left: var(--space-5); margin-bottom: var(--space-5); }
[data-theme='dark'] .director__text blockquote { color: var(--color-text); }
.director__text > p { color: var(--color-text-muted); margin-bottom: var(--space-5); }
.director__points { list-style: none; display: grid; gap: var(--space-2); }
.director__points li { position: relative; padding-left: var(--space-6); font-size: var(--text-sm); font-weight: 500; }
.director__points li::before { content: ''; position: absolute; left: 0; top: 0.52em; width: 14px; height: 3px; border-radius: 2px; background: var(--color-accent); }

/* ---- estimation ---- */
.section--cta { background: var(--color-navy); color: var(--color-on-navy); }
.section--cta h2 { color: #fff; }
[data-theme='dark'] .section--cta { background: var(--color-navy-deep); }
.section__kicker--light { color: var(--color-accent); }
.estimate { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(var(--space-8), 5vw, var(--space-16)); align-items: center; }
.estimate__text h2 { margin-bottom: var(--space-5); }
.estimate__text p { color: oklch(from var(--color-on-navy) l c h / 0.8); }
.estimate__form { background: var(--color-surface); color: var(--color-text); border-radius: var(--radius-xl); padding: var(--space-8); box-shadow: var(--shadow-lg); display: grid; gap: var(--space-4); }
.estimate__form label { display: grid; gap: var(--space-1); font-size: var(--text-xs); font-weight: 600; letter-spacing: 0.04em; text-transform: uppercase; color: var(--color-text-muted); }
.estimate__form input, .estimate__form select { border: 1px solid var(--color-border); background: var(--color-bg); border-radius: var(--radius-md); padding: var(--space-3) var(--space-4); font-size: var(--text-sm); font-weight: 400; text-transform: none; letter-spacing: normal; }
.estimate__form input:focus, .estimate__form select:focus { outline: none; border-color: var(--color-accent); box-shadow: 0 0 0 3px oklch(from var(--color-accent) l c h / 0.2); }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-4); }
.form-confirm { font-size: var(--text-sm); font-weight: 500; color: #2e7d32; background: oklch(0.95 0.05 145); border-radius: var(--radius-md); padding: var(--space-3) var(--space-4); }
[data-theme='dark'] .form-confirm { color: #9be29f; background: oklch(0.3 0.05 145); }
.form-error { font-size: var(--text-sm); font-weight: 500; color: #b3261e; background: oklch(0.95 0.04 25); border-radius: var(--radius-md); padding: var(--space-3) var(--space-4); }
[data-theme='dark'] .form-error { color: #f2b8b5; background: oklch(0.3 0.06 25); }

/* ---- footer ---- */
.footer { background: var(--color-navy-deep); color: oklch(from var(--color-on-navy) l c h / 0.8); padding-block: var(--space-16) var(--space-8); }
.footer__inner { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: var(--space-8); }
.footer__brand .brand__mark { width: 44px; color: var(--color-on-navy); margin-bottom: var(--space-3); }
.footer__brand strong { color: #fff; }
.footer__col h4 { font-size: var(--text-xs); letter-spacing: 0.2em; text-transform: uppercase; color: var(--color-accent); margin-bottom: var(--space-3); }
.footer__col p, .footer__brand p { font-size: var(--text-sm); }
.footer a { color: inherit; text-decoration: none; }
.footer a:hover { color: #fff; }
.footer__legal { margin-top: var(--space-12); padding-top: var(--space-6); border-top: 1px solid oklch(from var(--color-on-navy) l c h / 0.15); }
.footer__legal p { font-size: var(--text-xs); color: oklch(from var(--color-on-navy) l c h / 0.55); }

/* ---- reveal ---- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), transform 0.6s cubic-bezier(0.16, 1, 0.3, 1); }
.reveal--visible { opacity: 1; transform: none; }

/* ---- responsive ---- */
@media (max-width: 900px) {
  .steps, .cards { grid-template-columns: 1fr; }
  .director, .estimate { grid-template-columns: 1fr; }
  .director__photo { max-width: 420px; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .footer__inner { grid-template-columns: 1fr 1fr; }
  .nav > a:not(.btn) { display: none; }
}
@media (max-width: 480px) {
  .stats { grid-template-columns: repeat(2, 1fr); }
  .field-row { grid-template-columns: 1fr; }
  .footer__inner { grid-template-columns: 1fr; }
  .hero__actions .btn { width: 100%; }
}