/* =========================================================================
   base.css — shared base + components for MyDreamSoft
   Resets, typography, header, theme toggle, buttons, footer.
   Page-specific styles live in each page's <style> block.
   ========================================================================= */

/* ---------- resets ---------- */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--ink);font-family:"Geist",sans-serif;font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;transition:background-color .25s ease,color .25s ease}
::selection{background:var(--selection-bg);color:var(--selection-fg)}
::-webkit-scrollbar{width:11px}
::-webkit-scrollbar-track{background:var(--scrollbar-track)}
::-webkit-scrollbar-thumb{background:var(--scrollbar-thumb);border-radius:8px;border:3px solid var(--scrollbar-border)}
::-webkit-scrollbar-thumb:hover{background:var(--scrollbar-thumb-hover)}
:focus-visible{outline:2px solid var(--ink);outline-offset:3px;border-radius:4px}
a{color:inherit;text-decoration:none}
.wrap{width:min(1120px,92%);margin-inline:auto}

/* ---------- typography ---------- */
h1,h2,h3{font-weight:600;letter-spacing:-.03em;line-height:1.05;text-wrap:balance}
h1{font-size:clamp(2.6rem,6vw,4.6rem);max-width:18ch;font-weight:700}
h2{font-size:clamp(1.9rem,3.6vw,2.8rem);max-width:22ch;font-weight:600}
h3{font-size:1.15rem;font-weight:600;letter-spacing:-.02em}
p.lede{color:var(--ink-2);font-size:clamp(1.02rem,1.4vw,1.18rem);max-width:54ch}

/* ---------- header ---------- */
header{position:sticky;top:0;z-index:50;background:var(--nav-bg);backdrop-filter:blur(12px);border-bottom:1px solid var(--header-border);transition:background-color .25s ease,border-color .25s ease}
.nav{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:flex;align-items:center;font-weight:700;font-size:1.05rem;letter-spacing:-.02em}
nav.main{display:flex;gap:30px;font-size:.92rem;color:var(--ink-2);font-weight:500}
nav.main a{transition:color .2s}
nav.main a:hover{color:var(--ink)}
.nav-cta{display:flex;align-items:center;gap:14px}

/* ---------- theme toggle ---------- */
.theme-toggle{width:38px;height:38px;border-radius:8px;background:transparent;border:1px solid var(--toggle-border);color:var(--ink);display:inline-flex;align-items:center;justify-content:center;cursor:pointer;transition:border-color .2s,background-color .2s}
.theme-toggle:hover{border-color:var(--toggle-hover-border);background:var(--bg-2)}
.theme-toggle svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.theme-toggle .icon-sun{display:none}
.theme-toggle .icon-moon{display:inline-flex}
:root[data-theme="light"] .theme-toggle .icon-sun{display:inline-flex}
:root[data-theme="light"] .theme-toggle .icon-moon{display:none}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:8px;font-weight:600;font-size:.92rem;padding:10px 18px;border-radius:8px;transition:background-color .2s,border-color .2s,color .2s;cursor:pointer}
.btn-solid{background:var(--btn-solid-bg);color:var(--btn-solid-fg)}
.btn-solid:hover{background:var(--btn-solid-hover)}
.btn-ghost{background:var(--btn-ghost-bg);color:var(--btn-ghost-fg);border:1px solid var(--btn-ghost-border)}
.btn-ghost:hover{background:var(--btn-ghost-hover-bg);border-color:var(--btn-ghost-hover-border)}
.btn-wa{background:var(--btn-wa-bg);color:var(--btn-wa-fg)}
.btn-wa:hover{background:var(--btn-wa-hover)}
.btn-lg{padding:13px 24px;font-size:1rem;border-radius:9px}
.btn-wa svg{width:16px;height:16px;fill:currentColor}

/* ---------- footer ---------- */
footer{border-top:1px solid var(--line);padding:54px 0 40px;background:var(--bg-2);transition:background-color .25s ease,border-color .25s ease}
.fgrid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px}
.fcol h4{font-size:.78rem;text-transform:uppercase;letter-spacing:.08em;color:var(--ink-3);margin-bottom:14px;font-weight:600}
.fcol a{display:flex;align-items:center;gap:8px;font-size:.92rem;color:var(--ink-2);padding:5px 0;transition:color .2s}
.fcol a:hover{color:var(--ink)}
.fcol a svg{width:14px;height:14px;fill:currentColor;flex-shrink:0}
.fcol p{font-size:.9rem;color:var(--ink-2);max-width:34ch}
.foot-bottom{display:flex;justify-content:space-between;align-items:center;margin-top:40px;padding-top:24px;border-top:1px solid var(--line);font-size:.82rem;color:var(--ink-3);flex-wrap:wrap;gap:10px}

/* ---------- responsive ---------- */
@media(max-width:900px){
  nav.main{display:none}
  .fgrid{grid-template-columns:1fr 1fr}
}
@media(max-width:560px){
  .fgrid{grid-template-columns:1fr}
}

/* ---------- reduced motion ---------- */
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition-duration:.001s!important}html{scroll-behavior:auto}}