/* ═══════════════════════════════════════════════════════
   SMR CONCEPT+ — Design System
   Fonts : Big Shoulders Display (titres) + Space Grotesk (body)
═══════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@300;400;500&family=Big+Shoulders+Display:wght@600;700;800;900&display=swap');

/* ── Custom Properties ─────────────────────────────── */
:root {
  --cream:   #F6F3EE;
  --chalk:   #EDEBE5;
  --ink:     #0F0F0D;
  --stone:   #6E6B65;
  --mist:    #B4B0A9;
  --gold:    #850606;
  --gold-dk: #6a0404;
  --border:  #E0DCD5;
  --white:   #FFFFFF;
  --ff-h:    'Big Shoulders Display', sans-serif;
  --ff-display: 'Big Shoulders Display', sans-serif;
  --ff-b:    'Space Grotesk', sans-serif;
  --ease:    cubic-bezier(.4,0,.2,1);
  --ease-out: cubic-bezier(0,.55,.45,1);
}

/* ── Reset ─────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  background: var(--cream);
  color: var(--ink);
  font-family: var(--ff-b);
  font-weight: 300;
  line-height: 1.7;
  overflow-x: hidden;
}
img { display: block; width: 100%; height: 100%; object-fit: cover; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
::-webkit-scrollbar { width: 3px; }
::-webkit-scrollbar-track { background: var(--ink); }
::-webkit-scrollbar-thumb { background: var(--gold); }

/* ── Navigation ────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 2rem 4rem;
  transition: background .5s var(--ease), padding .4s var(--ease), box-shadow .4s;
}
.nav.scrolled {
  background: rgba(246,243,238,.97);
  backdrop-filter: blur(16px);
  padding: 1rem 4rem;
  box-shadow: 0 1px 0 var(--border);
}
/* ── Logo ──────────────────────────────────────────── */
.nav-logo { display: flex; align-items: center; }
.nav-logo-img {
  height: 52px;
  width: auto;
  object-fit: contain;
  display: none;
  transition: opacity .3s;
}
.nav-logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1;
  gap: 2px;
}
.nav.scrolled .nav-logo-img { display: block; }
.nav.scrolled .nav-logo-text { display: none; }
.nav-logo .l1 {
  font-family: var(--ff-h);
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: .05em;
  color: var(--white);
  transition: color .4s;
}
.nav-logo .l2 {
  font-family: var(--ff-b);
  font-size: .55rem;
  font-weight: 500;
  letter-spacing: .4em;
  text-transform: uppercase;
  color: var(--gold);
}
.nav.scrolled .nav-logo .l1 { color: var(--ink); }

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2.5rem;
}
.nav-menu a {
  font-family: var(--ff-b);
  font-size: .72rem;
  font-weight: 500;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: rgba(255,255,255,.75);
  position: relative;
  transition: color .3s;
}
.nav.scrolled .nav-menu a { color: var(--stone); }
.nav-menu a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  height: 1px; width: 0;
  background: var(--gold);
  transition: width .35s var(--ease);
}
.nav-menu a:hover::after { width: 100%; }
.nav-menu a:hover { color: var(--white); }
.nav.scrolled .nav-menu a:hover { color: var(--ink); }
.nav-cta-btn {
  font-size: .7rem !important;
  letter-spacing: .18em !important;
  padding: .55rem 1.4rem;
  border: 1px solid rgba(255,255,255,.35);
  color: var(--white) !important;
  transition: background .3s, border-color .3s !important;
}
.nav-cta-btn::after { display: none !important; }
.nav-cta-btn:hover { background: var(--gold); border-color: var(--gold); }
.nav.scrolled .nav-cta-btn { border-color: var(--ink); color: var(--ink) !important; }
.nav.scrolled .nav-cta-btn:hover { background: var(--ink); color: var(--white) !important; }

/* burger */
.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  z-index: 110;
}
.burger span {
  display: block;
  width: 22px; height: 1.5px;
  background: var(--white);
  transition: transform .3s, opacity .3s, background .3s;
}
.nav.scrolled .burger span { background: var(--ink); }
.burger.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); background: var(--ink); }
.burger.open span:nth-child(2) { opacity: 0; }
.burger.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); background: var(--ink); }

/* ── Buttons ───────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .7rem;
  font-family: var(--ff-b);
  font-size: .72rem;
  font-weight: 500;
  letter-spacing: .2em;
  text-transform: uppercase;
  padding: .9rem 2rem;
  transition: transform .3s var(--ease), background .3s, color .3s;
}
.btn:hover { transform: translateY(-2px); }
.btn-dark { background: var(--ink); color: var(--white); }
.btn-dark:hover { background: var(--gold); }
.btn-gold { background: var(--gold); color: var(--white); }
.btn-gold:hover { background: var(--gold-dk); }
.btn-outline-w { border: 1px solid rgba(255,255,255,.4); color: var(--white); }
.btn-outline-w:hover { background: var(--white); color: var(--ink); }
.btn-outline-d { border: 1px solid var(--ink); color: var(--ink); }
.btn-outline-d:hover { background: var(--ink); color: var(--white); }

.btn-arrow svg {
  width: 14px; height: 14px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  transition: transform .3s var(--ease);
}
.btn:hover .btn-arrow svg { transform: translateX(4px); }

/* ── Section helpers ───────────────────────────────── */
.label {
  font-family: var(--ff-b);
  font-size: .62rem;
  font-weight: 500;
  letter-spacing: .4em;
  text-transform: uppercase;
  color: var(--gold);
}
.label-light { color: rgba(133,6,6,.7); }
.label-stone { color: var(--stone); }

.h1 {
  font-family: var(--ff-h);
  font-weight: 800;
  line-height: 1;
  letter-spacing: .01em;
}
.h2 {
  font-family: var(--ff-h);
  font-size: clamp(1.6rem, 2.8vw, 2.4rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: .01em;
}
.h2 em { font-style: italic; font-weight: 600; color: var(--gold); }
.h3 {
  font-family: var(--ff-h);
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: .02em;
}
.body-sm { font-size: .88rem; line-height: 1.75; color: var(--stone); }
.body-xs { font-size: .75rem; line-height: 1.6; color: var(--mist); }

/* ── Reveal animations ─────────────────────────────── */
.rv {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity .8s var(--ease), transform .8s var(--ease);
}
.rv.up { opacity: 1; transform: translateY(0); }
.rv-l {
  opacity: 0;
  transform: translateX(-32px);
  transition: opacity .8s var(--ease), transform .8s var(--ease);
}
.rv-l.up { opacity: 1; transform: translateX(0); }
.rv-r {
  opacity: 0;
  transform: translateX(32px);
  transition: opacity .8s var(--ease), transform .8s var(--ease);
}
.rv-r.up { opacity: 1; transform: translateX(0); }
.d1 { transition-delay: .1s; }
.d2 { transition-delay: .2s; }
.d3 { transition-delay: .3s; }
.d4 { transition-delay: .4s; }
.d5 { transition-delay: .5s; }
.d6 { transition-delay: .6s; }

/* ── Ticker ────────────────────────────────────────── */
.ticker {
  background: var(--ink);
  padding: 1rem 0;
  overflow: hidden;
  white-space: nowrap;
}
.ticker-track {
  display: inline-flex;
  animation: ticker 28s linear infinite;
}
.ticker-track span {
  font-family: var(--ff-h);
  font-size: .7rem;
  font-weight: 600;
  letter-spacing: .35em;
  text-transform: uppercase;
  color: rgba(255,255,255,.25);
  padding: 0 2.5rem;
}
.ticker-track span.gold { color: var(--gold); }
@keyframes ticker {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ── Stats bar ─────────────────────────────────────── */
.stats-bar {
  background: var(--ink);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}
.stat {
  padding: 3.5rem 2rem;
  border-right: 1px solid rgba(255,255,255,.06);
  text-align: center;
}
.stat:last-child { border-right: none; }
.stat-n {
  font-family: var(--ff-h);
  font-size: clamp(2.2rem, 4vw, 3.5rem);
  font-weight: 700;
  color: var(--gold);
  line-height: 1;
  margin-bottom: .4rem;
  letter-spacing: -.02em;
}
.stat-l {
  font-size: .65rem;
  font-weight: 500;
  letter-spacing: .25em;
  text-transform: uppercase;
  color: rgba(255,255,255,.3);
}

/* ── Project card ──────────────────────────────────── */
.proj-card {
  position: relative;
  overflow: hidden;
  cursor: pointer;
  display: block;
}
.proj-card img {
  transition: transform .7s var(--ease);
}
.proj-card:hover img { transform: scale(1.07); }
.proj-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(15,15,13,.85) 0%, rgba(15,15,13,.2) 50%, transparent 100%);
  display: flex;
  align-items: flex-end;
  padding: 1.8rem;
  opacity: 0;
  transition: opacity .4s var(--ease);
}
.proj-card:hover .proj-overlay { opacity: 1; }
.proj-overlay-always {
  opacity: 1 !important;
}
.proj-meta { color: var(--white); }
.proj-cat {
  font-size: .6rem;
  font-weight: 500;
  letter-spacing: .3em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: .4rem;
}
.proj-name {
  font-family: var(--ff-h);
  font-size: 1.1rem;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: .2rem;
}
.proj-loc {
  font-size: .72rem;
  color: rgba(255,255,255,.55);
}
.proj-arrow {
  margin-left: auto;
  align-self: flex-end;
  width: 36px; height: 36px;
  border: 1px solid rgba(255,255,255,.25);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background .3s, border-color .3s;
}
.proj-card:hover .proj-arrow { background: var(--gold); border-color: var(--gold); }
.proj-arrow svg { width: 14px; height: 14px; fill: none; stroke: var(--white); stroke-width: 1.8; }

/* ── Lightbox ──────────────────────────────────────── */
#lightbox {
  position: fixed;
  inset: 0;
  z-index: 500;
  background: rgba(8,8,6,.97);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity .4s;
}
#lightbox.open { opacity: 1; pointer-events: all; }
.lb-wrap {
  position: relative;
  max-width: 92vw;
  max-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
}
.lb-wrap img {
  max-width: 92vw;
  max-height: 88vh;
  width: auto;
  height: auto;
  object-fit: contain;
  transition: opacity .2s;
}
.lb-x {
  position: fixed;
  top: 2rem; right: 2.5rem;
  font-family: var(--ff-b);
  font-size: .65rem;
  font-weight: 500;
  letter-spacing: .3em;
  text-transform: uppercase;
  color: rgba(255,255,255,.4);
  cursor: pointer;
  transition: color .3s;
}
.lb-x:hover { color: var(--white); }
.lb-prev, .lb-next {
  position: fixed;
  top: 50%; transform: translateY(-50%);
  width: 48px; height: 48px;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
}
.lb-prev { left: 1.5rem; }
.lb-next { right: 1.5rem; }
.lb-prev svg, .lb-next svg {
  width: 28px; height: 28px;
  fill: none; stroke: rgba(255,255,255,.5); stroke-width: 1.5;
  transition: stroke .3s;
}
.lb-prev:hover svg, .lb-next:hover svg { stroke: var(--white); }
.lb-cap {
  position: absolute;
  bottom: -2rem; left: 0;
  font-size: .65rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: rgba(255,255,255,.25);
}

/* ── Footer ────────────────────────────────────────── */
.footer {
  background: var(--ink);
  padding: 5rem 4rem 3rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.5fr;
  gap: 3rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(255,255,255,.07);
}
.footer-brand .fl1 {
  font-family: var(--ff-h);
  font-size: 2rem;
  font-weight: 800;
  color: var(--white);
  letter-spacing: -.02em;
  line-height: 1;
}
.footer-brand .fl2 {
  font-size: .55rem;
  font-weight: 500;
  letter-spacing: .4em;
  text-transform: uppercase;
  color: var(--gold);
  margin-top: 4px;
}
.footer-brand p {
  margin-top: 1.5rem;
  font-size: .8rem;
  color: rgba(255,255,255,.3);
  max-width: 200px;
  line-height: 1.7;
}
.footer-col h4 {
  font-family: var(--ff-b);
  font-size: .62rem;
  font-weight: 500;
  letter-spacing: .35em;
  text-transform: uppercase;
  color: rgba(255,255,255,.2);
  margin-bottom: 1.2rem;
}
.footer-col ul li {
  margin-bottom: .6rem;
}
.footer-col ul li a {
  font-size: .82rem;
  color: rgba(255,255,255,.4);
  transition: color .3s;
}
.footer-col ul li a:hover { color: var(--gold); }
.footer-col address {
  font-style: normal;
  font-size: .82rem;
  color: rgba(255,255,255,.4);
  line-height: 1.8;
}
.footer-social { display: flex; gap: .6rem; margin-top: 1rem; }
.soc-btn {
  font-size: .62rem;
  font-weight: 500;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: rgba(255,255,255,.4);
  border: 1px solid rgba(255,255,255,.1);
  padding: .4rem .8rem;
  transition: border-color .3s, color .3s;
}
.soc-btn:hover { border-color: var(--gold); color: var(--gold); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 2rem;
  flex-wrap: wrap;
  gap: 1rem;
}
.footer-bottom span {
  font-size: .7rem;
  color: rgba(255,255,255,.15);
  letter-spacing: .05em;
}

/* ── Mobile nav menu ───────────────────────────────── */
@media (max-width: 900px) {
  .nav { padding: 1.2rem 1.5rem; }
  .nav.scrolled { padding: .9rem 1.5rem; }
  .nav-menu {
    display: none;
    position: fixed;
    inset: 0;
    background: var(--cream);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 2.5rem;
    z-index: 99;
  }
  .nav-menu.open { display: flex; }
  .nav-menu.open a { color: var(--ink) !important; font-size: 1.2rem; }
  .nav-menu.open .nav-cta-btn { border-color: var(--ink) !important; }
  .burger { display: flex; }
}
@media (max-width: 768px) {
  .stats-bar { grid-template-columns: 1fr 1fr; }
  .stat:nth-child(2) { border-right: none; }
  .stat:nth-child(3) { border-top: 1px solid rgba(255,255,255,.06); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 480px) {
  .stats-bar { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
}

/* ═══════════════════════════════════════════════════════
   ANIMATIONS AVANCÉES
═══════════════════════════════════════════════════════ */

/* ── Page Loader ───────────────────────────────────── */
#page-loader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--ink);
  pointer-events: none;
}
#page-loader .pl-bar {
  position: absolute;
  bottom: 0; left: 0;
  height: 2px;
  width: 0%;
  background: var(--gold);
  transition: width .8s var(--ease);
}
#page-loader .pl-logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .5rem;
}
#page-loader .pl-logo img {
  height: 80px;
  width: auto;
  object-fit: contain;
  animation: plPulse 1.2s ease-in-out infinite;
}
#page-loader .pl-pct {
  font-family: var(--ff-h);
  font-size: .65rem;
  font-weight: 700;
  letter-spacing: .4em;
  color: rgba(255,255,255,.25);
}
@keyframes plPulse {
  0%, 100% { opacity: .5; transform: scale(.97); }
  50%       { opacity: 1;  transform: scale(1.03); }
}
#page-loader.done {
  animation: loaderOut .6s .1s var(--ease) forwards;
}
@keyframes loaderOut {
  to { transform: translateY(-100%); }
}

/* ── Custom cursor ─────────────────────────────────── */
#cursor-dot {
  position: fixed;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--gold);
  pointer-events: none;
  z-index: 9998;
  transform: translate(-50%, -50%);
  transition: transform .08s, width .25s, height .25s, opacity .3s;
  will-change: transform;
}
#cursor-ring {
  position: fixed;
  width: 38px; height: 38px;
  border-radius: 50%;
  border: 1px solid var(--gold);
  pointer-events: none;
  z-index: 9997;
  transform: translate(-50%, -50%);
  transition: width .3s, height .3s, opacity .3s, border-color .3s;
  opacity: .5;
  will-change: transform;
}
body.cursor-hover #cursor-dot { width: 0; height: 0; opacity: 0; }
body.cursor-hover #cursor-ring { width: 60px; height: 60px; opacity: .8; border-color: var(--gold); }
body.cursor-click #cursor-dot { transform: translate(-50%,-50%) scale(2); }
body.cursor-click #cursor-ring { transform: translate(-50%,-50%) scale(.8); }
@media (hover: none) {
  #cursor-dot, #cursor-ring { display: none; }
}

/* ── Scroll progress bar ───────────────────────────── */
#scroll-progress {
  position: fixed;
  top: 0; left: 0;
  height: 2px;
  width: 0%;
  background: var(--gold);
  z-index: 9996;
  transition: width .1s linear;
}

/* ── Clip-path image reveal ────────────────────────── */
.clip-reveal {
  clip-path: inset(0 0 100% 0);
  transition: clip-path .9s cubic-bezier(.77,0,.18,1);
}
.clip-reveal.up { clip-path: inset(0 0 0% 0); }

/* ── Float animation for hero shapes ──────────────── */
.float-shape {
  position: absolute;
  pointer-events: none;
  z-index: 1;
  opacity: .07;
}
.float-shape-1 {
  width: 220px; height: 220px;
  background: var(--gold);
  top: 15%; right: 10%;
  transform: rotate(20deg);
  animation: floatA 7s ease-in-out infinite;
}
.float-shape-2 {
  width: 140px; height: 140px;
  background: var(--white);
  top: 50%; right: 5%;
  transform: rotate(-15deg);
  animation: floatB 9s ease-in-out infinite;
}
.float-shape-3 {
  width: 80px; height: 80px;
  background: var(--gold);
  bottom: 20%; right: 20%;
  animation: floatC 6s ease-in-out infinite;
}
@keyframes floatA {
  0%, 100% { transform: rotate(20deg) translateY(0px); }
  50%       { transform: rotate(20deg) translateY(-18px); }
}
@keyframes floatB {
  0%, 100% { transform: rotate(-15deg) translateY(0px); }
  50%       { transform: rotate(-15deg) translateY(14px); }
}
@keyframes floatC {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  50%       { transform: translateY(-10px) rotate(8deg); }
}

/* ── Char animation (split text) ───────────────────── */
.char {
  display: inline-block;
  opacity: 0;
  transform: translateY(60%) rotateX(-40deg);
  transform-origin: bottom center;
  transition: opacity .5s var(--ease), transform .5s var(--ease);
}
.char.in { opacity: 1; transform: translateY(0) rotateX(0); }

/* ── Parallax wrapper ──────────────────────────────── */
.parallax-img {
  transform: translateY(0);
  transition: none;
  will-change: transform;
}

/* ── Stats bar enhanced ────────────────────────────── */
.stat-n {
  position: relative;
  display: inline-block;
}
.stat::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 1px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .5s var(--ease);
}
.stat.up::after { transform: scaleX(1); }

/* ── Enhanced project card ─────────────────────────── */
.proj-card {
  transform: translateY(0);
  transition: transform .4s var(--ease), box-shadow .4s var(--ease);
}
.proj-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 60px rgba(0,0,0,.2);
}

/* ── Magnetic button zone ──────────────────────────── */
.magnetic { position: relative; display: inline-flex; }
.magnetic .btn { position: relative; }

/* ── Reveal with scale ─────────────────────────────── */
.rv-scale {
  opacity: 0;
  transform: scale(.96);
  transition: opacity .8s var(--ease), transform .8s var(--ease);
}
.rv-scale.up { opacity: 1; transform: scale(1); }

/* ── Line draw animation ───────────────────────────── */
.draw-line {
  stroke-dasharray: 1000;
  stroke-dashoffset: 1000;
  transition: stroke-dashoffset 1.5s var(--ease);
}
.draw-line.up { stroke-dashoffset: 0; }

/* ── Glitch effect on logo hover ───────────────────── */
.nav-logo-text:hover .l1 {
  animation: glitch .3s var(--ease) forwards;
}
@keyframes glitch {
  0%  { text-shadow: none; }
  20% { text-shadow: 2px 0 var(--gold), -2px 0 rgba(255,255,255,.3); }
  40% { text-shadow: -2px 0 var(--gold), 2px 0 rgba(255,255,255,.3); }
  60% { text-shadow: 1px 0 var(--gold); }
  80% { text-shadow: none; }
  100%{ text-shadow: none; }
}

/* ── Hover underline slide ─────────────────────────── */
.hover-line {
  position: relative;
  display: inline-block;
}
.hover-line::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 0;
  width: 100%; height: 1px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform .4s var(--ease);
}
.hover-line:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

/* ── Stagger children ──────────────────────────────── */
.stagger > * {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .6s var(--ease), transform .6s var(--ease);
}
.stagger.up > *:nth-child(1) { opacity:1; transform:none; transition-delay:.1s; }
.stagger.up > *:nth-child(2) { opacity:1; transform:none; transition-delay:.2s; }
.stagger.up > *:nth-child(3) { opacity:1; transform:none; transition-delay:.3s; }
.stagger.up > *:nth-child(4) { opacity:1; transform:none; transition-delay:.4s; }
.stagger.up > *:nth-child(5) { opacity:1; transform:none; transition-delay:.5s; }
.stagger.up > *:nth-child(6) { opacity:1; transform:none; transition-delay:.6s; }