/* ═══════════════════════════════════════════════════
   SEEMSHARP – Feuille de style principale
   Palette : taupe / beige / gris chaud (extrait du logo)
═══════════════════════════════════════════════════ */

/* ─── Tokens ─── */
:root {
  --clr-bg:        #FAF8F5;
  --clr-bg-alt:    #F0EDE8;
  --clr-surface:   #FFFFFF;
  --clr-primary:   #8B7D6B;   /* taupe principal */
  --clr-primary-d: #6B5F55;   /* taupe foncé */
  --clr-accent:    #C4B5A0;   /* beige clair */
  --clr-accent-l:  #DDD4C8;   /* beige très clair */
  --clr-text:      #3A3530;   /* texte principal */
  --clr-text-m:    #6B6560;   /* texte secondaire */
  --clr-text-l:    #9B958F;   /* texte léger */
  --clr-border:    #E5DDD4;
  --clr-white:     #FFFFFF;

  --ff-display:  'Cormorant Garamond', Georgia, serif;
  --ff-body:     'Jost', system-ui, sans-serif;

  --fw-light:  300;
  --fw-reg:    400;
  --fw-mid:    500;
  --fw-semi:   600;

  --radius-sm:  6px;
  --radius-md:  12px;
  --radius-lg:  24px;
  --radius-xl:  40px;

  --shadow-sm:  0 2px 8px rgba(139,125,107,.08);
  --shadow-md:  0 8px 32px rgba(139,125,107,.14);
  --shadow-lg:  0 20px 60px rgba(139,125,107,.18);

  --transition: .3s cubic-bezier(.4,0,.2,1);

  --container: 1180px;
  --gutter: clamp(1.25rem, 4vw, 2.5rem);
  --header-h: 72px;
}

/* ─── Reset ─── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body {
  font-family: var(--ff-body);
  font-weight: var(--fw-reg);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--clr-text);
  background: var(--clr-bg);
  overflow-x: hidden;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, select, textarea { font-family: inherit; }
[hidden] { display: none !important; }

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

/* ─── Typography ─── */
h1, h2, h3, h4 {
  font-family: var(--ff-display);
  font-weight: var(--fw-semi);
  line-height: 1.15;
  color: var(--clr-text);
}
h1 { font-size: clamp(2.6rem, 6vw, 4.4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: 1.4rem; font-weight: var(--fw-semi); }
h4 { font-size: 1rem; font-weight: var(--fw-mid); }
em { font-style: italic; color: var(--clr-primary); }
p { color: var(--clr-text-m); }

/* ─── Buttons ─── */
.btn-primary, .btn-outline, .btn-nav {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-family: var(--ff-body);
  font-size: .9rem;
  font-weight: var(--fw-mid);
  letter-spacing: .06em;
  text-transform: uppercase;
  border-radius: var(--radius-xl);
  padding: .85rem 2rem;
  transition: var(--transition);
  white-space: nowrap;
}
.btn-primary {
  background: var(--clr-primary);
  color: var(--clr-white);
  box-shadow: 0 4px 16px rgba(139,125,107,.3);
}
.btn-primary:hover {
  background: var(--clr-primary-d);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(139,125,107,.35);
}
.btn-outline {
  border: 1.5px solid var(--clr-primary);
  color: var(--clr-primary);
}
.btn-outline:hover {
  background: var(--clr-primary);
  color: var(--clr-white);
  transform: translateY(-2px);
}
.btn-nav {
  border: 1.5px solid var(--clr-primary);
  color: var(--clr-primary);
  padding: .55rem 1.4rem;
  font-size: .8rem;
}
.btn-nav:hover {
  background: var(--clr-primary);
  color: var(--clr-white);
}

/* ─── Section header ─── */
.section-tag {
  display: inline-block;
  font-size: .75rem;
  font-weight: var(--fw-semi);
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--clr-primary);
  margin-bottom: .75rem;
}
.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 3.5rem;
}
.section-header h2 { margin-bottom: 1rem; }
.section-intro { font-size: 1.05rem; }

/* ══════════════════════════════════════
   HEADER
══════════════════════════════════════ */
#header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--header-h);
  transition: background var(--transition), box-shadow var(--transition);
}
#header.scrolled {
  background: rgba(250,248,245,.95);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow-sm);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}
.logo-link { display: flex; align-items: center; }
.logo-img { height: 56px; width: auto; }
.logo-text {
  font-family: var(--ff-display);
  font-size: 1.5rem;
  font-weight: var(--fw-semi);
  letter-spacing: .15em;
  color: var(--clr-primary);
}
.nav-list {
  display: flex;
  align-items: center;
  gap: 2.5rem;
}
.nav-list a {
  font-size: .875rem;
  font-weight: var(--fw-mid);
  letter-spacing: .04em;
  color: var(--clr-text);
  transition: color var(--transition);
  position: relative;
}
.nav-list a:not(.btn-nav)::after {
  content: '';
  position: absolute;
  bottom: -3px; left: 0;
  width: 0; height: 1.5px;
  background: var(--clr-primary);
  transition: width var(--transition);
}
.nav-list a:not(.btn-nav):hover::after { width: 100%; }
.nav-list a:not(.btn-nav):hover { color: var(--clr-primary); }
.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
}
.burger span {
  display: block;
  width: 24px; height: 2px;
  background: var(--clr-primary-d);
  border-radius: 2px;
  transition: var(--transition);
}

/* ══════════════════════════════════════
   HERO
══════════════════════════════════════ */
#hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding-top: var(--header-h);
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 70% at 85% 50%, rgba(196,181,160,.18) 0%, transparent 70%),
    radial-gradient(ellipse 50% 60% at 10% 80%, rgba(221,212,200,.12) 0%, transparent 60%),
    var(--clr-bg);
  z-index: 0;
}
.hero-bg::after {
  content: '';
  position: absolute;
  top: 10%; right: 5%;
  width: min(520px, 55vw);
  aspect-ratio: 1;
  border-radius: 50%;
  border: 1.5px solid rgba(196,181,160,.25);
  box-shadow:
    0 0 0 40px rgba(196,181,160,.06),
    0 0 0 80px rgba(196,181,160,.03);
  animation: heroOrb 8s ease-in-out infinite alternate;
}
@keyframes heroOrb {
  from { transform: scale(1) translateY(0); }
  to   { transform: scale(1.04) translateY(-20px); }
}
.hero-content {
  position: relative;
  z-index: 1;
  max-width: 760px;
  padding-block: 5rem;
}
.hero-eyebrow {
  font-size: .8rem;
  font-weight: var(--fw-semi);
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--clr-primary);
  margin-bottom: 1.25rem;
}
.hero-content h1 { margin-bottom: 1.5rem; }
.hero-sub {
  font-size: clamp(1rem, 1.8vw, 1.2rem);
  max-width: 560px;
  margin-bottom: 2.5rem;
  color: var(--clr-text-m);
}
.hero-cta { display: flex; flex-wrap: wrap; gap: 1rem; }
.hero-scroll-hint {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
}
.hero-scroll-hint span {
  display: block;
  width: 24px; height: 40px;
  border: 1.5px solid var(--clr-accent);
  border-radius: 12px;
  position: relative;
}
.hero-scroll-hint span::after {
  content: '';
  position: absolute;
  top: 6px; left: 50%;
  transform: translateX(-50%);
  width: 4px; height: 8px;
  background: var(--clr-primary);
  border-radius: 2px;
  animation: scrollDot 2s ease-in-out infinite;
}
@keyframes scrollDot {
  0%,100% { top: 6px; opacity: 1; }
  50%      { top: 18px; opacity: .4; }
}

/* ══════════════════════════════════════
   SERVICES
══════════════════════════════════════ */
#services {
  padding: 7rem 0;
  background: var(--clr-surface);
}
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}
.service-card {
  background: var(--clr-bg);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  padding: 2rem;
  transition: var(--transition);
  opacity: 0;
  transform: translateY(24px);
}
.service-card.visible {
  opacity: 1;
  transform: translateY(0);
}
.service-card:hover {
  border-color: var(--clr-accent);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}
.service-icon {
  width: 52px; height: 52px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--clr-accent-l), var(--clr-accent));
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  font-size: 1.3rem;
  color: var(--clr-primary-d);
}
.service-card h3 { margin-bottom: .75rem; font-size: 1.2rem; }
.service-card p { font-size: .925rem; margin-bottom: 1rem; }
.service-card ul { display: flex; flex-direction: column; gap: .35rem; }
.service-card ul li {
  font-size: .85rem;
  color: var(--clr-text-m);
  padding-left: 1.1rem;
  position: relative;
}
.service-card ul li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--clr-primary);
  font-size: .75rem;
}

/* ══════════════════════════════════════
   APPROACH
══════════════════════════════════════ */
#approach {
  padding: 7rem 0;
  background: var(--clr-bg);
}
.approach-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}
.approach-text h2 { margin-bottom: 1.25rem; }
.approach-text > p { margin-bottom: 2.5rem; }
.steps { display: flex; flex-direction: column; gap: 1.5rem; }
.step {
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
}
.step-num {
  font-family: var(--ff-display);
  font-size: 1.8rem;
  font-weight: var(--fw-light);
  color: var(--clr-accent);
  line-height: 1;
  flex-shrink: 0;
  width: 2.5rem;
}
.step h4 { margin-bottom: .25rem; color: var(--clr-text); }
.step p { font-size: .9rem; }

/* Orb visual */
.approach-visual { display: flex; justify-content: center; }
.orb-wrapper {
  position: relative;
  width: min(400px, 100%);
  aspect-ratio: 1;
}
.orb {
  position: absolute;
  border-radius: 50%;
}
.orb-1 {
  inset: 15%;
  background: radial-gradient(circle at 40% 40%, var(--clr-accent-l), var(--clr-accent));
  opacity: .7;
  animation: orbFloat 6s ease-in-out infinite;
}
.orb-2 {
  inset: 0;
  border: 1px solid rgba(196,181,160,.35);
  animation: orbSpin 20s linear infinite;
}
.orb-3 {
  inset: 8%;
  border: 1px solid rgba(196,181,160,.2);
  animation: orbSpin 30s linear infinite reverse;
}
@keyframes orbFloat {
  0%,100% { transform: scale(1); }
  50%      { transform: scale(1.05) translateY(-8px); }
}
@keyframes orbSpin {
  to { transform: rotate(360deg); }
}
.stats-float {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
}
.stat { text-align: center; }
.stat-num {
  display: block;
  font-family: var(--ff-display);
  font-size: 2.2rem;
  font-weight: var(--fw-semi);
  color: var(--clr-primary-d);
  line-height: 1;
}
.stat-num em { font-size: 1.4rem; }
.stat span:last-child {
  font-size: .75rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--clr-text-m);
}

/* ══════════════════════════════════════
   ABOUT
══════════════════════════════════════ */
#about {
  padding: 7rem 0;
  background: var(--clr-surface);
}
.about-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}
.about-visual {
  position: relative;
  height: 420px;
  background: linear-gradient(135deg, var(--clr-bg), var(--clr-bg-alt));
  border-radius: var(--radius-lg);
  border: 1px solid var(--clr-border);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.about-visual::before {
  content: '';
  position: absolute;
  top: -60px; right: -60px;
  width: 260px; height: 260px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(196,181,160,.3), transparent 70%);
}
.about-visual::after {
  content: '';
  position: absolute;
  bottom: -40px; left: -40px;
  width: 200px; height: 200px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(221,212,200,.25), transparent 70%);
}
.about-badge {
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  color: var(--clr-primary);
}
.about-badge i {
  font-size: 3.5rem;
  opacity: .6;
}
.about-badge span {
  font-size: .85rem;
  font-weight: var(--fw-semi);
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--clr-text-m);
}
.about-text h2 { margin-bottom: 1.25rem; }
.about-text > p { margin-bottom: 1rem; }
.about-values {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: .75rem;
  margin: 1.75rem 0 2rem;
}
.value-item {
  display: flex;
  align-items: center;
  gap: .6rem;
  font-size: .9rem;
  font-weight: var(--fw-mid);
}
.value-item i { color: var(--clr-primary); font-size: .9rem; flex-shrink: 0; }

/* ══════════════════════════════════════
   CONTACT
══════════════════════════════════════ */
#contact {
  padding: 7rem 0;
  background: var(--clr-bg);
}
.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 5rem;
  align-items: start;
}
.contact-info h2 { margin-bottom: 1rem; }
.contact-info > p { margin-bottom: 2rem; }
.contact-details { display: flex; flex-direction: column; gap: 1rem; }
.contact-item {
  display: flex;
  align-items: center;
  gap: .75rem;
  font-size: .9rem;
}
.contact-item i {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: var(--clr-accent-l);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--clr-primary-d);
  font-size: .85rem;
  flex-shrink: 0;
}
.contact-item a { color: var(--clr-text-m); transition: color var(--transition); }
.contact-item a:hover { color: var(--clr-primary); }

/* Form */
.contact-form-wrap {
  background: var(--clr-surface);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--clr-border);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-group { display: flex; flex-direction: column; gap: .45rem; margin-bottom: 1.25rem; }
.form-group label {
  font-size: .82rem;
  font-weight: var(--fw-mid);
  color: var(--clr-text);
  letter-spacing: .02em;
}
.form-group label span { color: var(--clr-primary); }
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: .8rem 1rem;
  border: 1.5px solid var(--clr-border);
  border-radius: var(--radius-sm);
  background: var(--clr-bg);
  color: var(--clr-text);
  font-size: .92rem;
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
  -webkit-appearance: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--clr-primary);
  box-shadow: 0 0 0 3px rgba(139,125,107,.12);
}
.form-group input.error,
.form-group select.error,
.form-group textarea.error {
  border-color: #C0392B;
}
.form-group select { cursor: pointer; }
.form-group textarea { resize: vertical; min-height: 120px; }

/* Checkbox error */
.checkbox-group.error .checkbox-label {
  color: #C0392B;
}
.checkbox-group.error input[type=checkbox] {
  outline: 2px solid #C0392B;
  outline-offset: 2px;
  border-radius: 2px;
}

/* Honeypot */
.hp-field {
  position: absolute;
  left: -9999px;
  top: -9999px;
  opacity: 0;
  pointer-events: none;
  width: 0; height: 0;
  overflow: hidden;
}

/* Captcha */
.captcha-group .captcha-q {
  font-weight: var(--fw-semi);
  color: var(--clr-primary-d);
}

/* Checkbox */
.checkbox-group { flex-direction: row !important; align-items: center; gap: .75rem; }
.checkbox-label {
  display: flex;
  align-items: center;
  gap: .6rem;
  cursor: pointer;
  font-size: .82rem;
  color: var(--clr-text-m);
}
.checkbox-label input[type=checkbox] {
  appearance: none;
  -webkit-appearance: none;
  width: 20px;
  min-width: 20px;
  height: 20px;
  margin-top: 0;
  border: 2px solid var(--clr-accent);
  border-radius: 4px;
  background: var(--clr-surface);
  cursor: pointer;
  position: relative;
  transition: border-color var(--transition), background var(--transition);
  flex-shrink: 0;
}
.checkbox-label input[type=checkbox]:checked {
  background: var(--clr-primary);
  border-color: var(--clr-primary);
}
.checkbox-label input[type=checkbox]:checked::after {
  content: '';
  position: absolute;
  left: 5px; top: 2px;
  width: 6px; height: 10px;
  border: 2px solid #fff;
  border-top: none;
  border-left: none;
  transform: rotate(45deg);
}
.checkbox-label input[type=checkbox]:focus-visible {
  outline: 3px solid rgba(139,125,107,.35);
  outline-offset: 2px;
}
.link-inline { color: var(--clr-primary); text-decoration: underline; }

/* Form feedback */
.form-message {
  padding: .9rem 1.2rem;
  border-radius: var(--radius-sm);
  font-size: .9rem;
  margin-bottom: 1.25rem;
  display: none;
}
.form-message.success {
  display: block;
  background: #EEF7EE;
  border: 1px solid #7EBA7E;
  color: #2D6A2D;
}
.form-message.error {
  display: block;
  background: #FEF0EE;
  border: 1px solid #E0907A;
  color: #8B2010;
}

/* Submit button */
.btn-submit {
  width: 100%;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
.btn-loader {
  display: none;
  width: 16px; height: 16px;
  border: 2px solid rgba(255,255,255,.4);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin .7s linear infinite;
}
.btn-submit.loading .btn-text { opacity: 0; }
.btn-submit.loading .btn-loader { display: block; position: absolute; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ══════════════════════════════════════
   FOOTER
══════════════════════════════════════ */
#footer {
  background: var(--clr-text);
  color: rgba(255,255,255,.65);
}
.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  padding-top: 4rem;
  padding-bottom: 3rem;
}
.footer-brand .logo-img { height: 52px; margin-bottom: 1rem; filter: brightness(1.4) opacity(.85); }
.footer-brand .logo-text { color: rgba(255,255,255,.8); font-size: 1.3rem; margin-bottom: 1rem; display: block; }
.footer-brand p { font-size: .875rem; line-height: 1.7; max-width: 260px; }
.footer-links h4, .footer-contact h4 {
  color: rgba(255,255,255,.9);
  font-family: var(--ff-body);
  font-size: .8rem;
  font-weight: var(--fw-semi);
  letter-spacing: .1em;
  text-transform: uppercase;
  margin-bottom: 1.25rem;
}
.footer-links ul { display: flex; flex-direction: column; gap: .6rem; }
.footer-links a {
  font-size: .875rem;
  transition: color var(--transition);
}
.footer-links a:hover { color: var(--clr-accent); }
.footer-contact a {
  display: block;
  font-size: .875rem;
  margin-bottom: 1.25rem;
  transition: color var(--transition);
}
.footer-contact a:hover { color: var(--clr-accent); }
.social-links { display: flex; gap: .75rem; }
.social-links a {
  width: 36px; height: 36px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .85rem;
  transition: var(--transition);
  margin-bottom: 0;
}
.social-links a:hover {
  background: var(--clr-primary);
  border-color: var(--clr-primary);
  color: #fff;
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.1);
  padding-block: 1.5rem;
}
.footer-bottom .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: .5rem;
}
.footer-bottom p { font-size: .8rem; }
.footer-bottom a { transition: color var(--transition); }
.footer-bottom a:hover { color: var(--clr-accent); }

/* ══════════════════════════════════════
   ANIMATIONS (Intersection Observer)
══════════════════════════════════════ */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity .6s ease, transform .6s ease;
}
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ══════════════════════════════════════
   RESPONSIVE
══════════════════════════════════════ */
@media (max-width: 1024px) {
  .approach-inner,
  .about-inner { grid-template-columns: 1fr; gap: 3rem; }
  .approach-visual { order: -1; }
  .orb-wrapper { width: min(320px, 80%); margin: 0 auto; }
  .about-visual { height: 280px; }
  .contact-inner { grid-template-columns: 1fr; gap: 3rem; }
  .footer-inner { grid-template-columns: 1fr 1fr; gap: 2rem; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 768px) {
  :root { --header-h: 64px; }

  /* Mobile nav */
  .nav-list {
    position: fixed;
    inset: 0;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    background: rgba(250,248,245,.97);
    backdrop-filter: blur(16px);
    transform: translateX(100%);
    transition: transform var(--transition);
    z-index: 99;
  }
  .nav-list.open { transform: translateX(0); }
  .nav-list a { font-size: 1.1rem; }
  .burger { display: flex; z-index: 200; }
  .burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .burger.open span:nth-child(2) { opacity: 0; }
  .burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

  .hero-content { padding-block: 3rem 4rem; }
  .services-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .about-values { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; }
  .footer-bottom .container { flex-direction: column; text-align: center; }
}