/* ZeeMail — লগইন, সাইনআপ ও প্রথম পাতা */
:root { --ink: #0b4f4c; --ink-2: #0b6e69; --gold: #e9a319; --text: #1c2a2b; --muted: #5e6f70; --line: #d5dfdd; --bg: #eef3f2; --danger: #b3261e;
        --font: "Hind Siliguri", system-ui, -apple-system, "Segoe UI", sans-serif; }
* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; font-family: var(--font); color: var(--text); background: var(--bg); font-size: 16px; -webkit-font-smoothing: antialiased; }
input, button { font: inherit; }
:focus-visible { outline: 2px solid var(--ink-2); outline-offset: 2px; }

.btn { display: inline-flex; align-items: center; justify-content: center; height: 46px; padding: 0 26px; border: 0; border-radius: 999px; background: var(--ink); color: #fff; font-weight: 600; text-decoration: none; cursor: pointer; }
.btn:hover { background: var(--ink-2); }
.btn.ghost { background: transparent; color: var(--ink); box-shadow: inset 0 0 0 1.5px var(--ink); }
.btn.ghost:hover { background: #dcebe8; }

.auth-brand { display: inline-flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; font-weight: 700; font-size: 22px; }

/* লগইন/সাইনআপ কার্ড */
.auth { width: min(460px, calc(100vw - 24px)); margin: 6vh auto; padding: 36px 36px 28px; background: #fff; border-radius: 22px; }
.auth h1 { margin: 22px 0 4px; font-size: 26px; font-weight: 600; }
.auth .sub { margin: 0 0 22px; color: var(--muted); }
.auth form { display: flex; flex-direction: column; gap: 14px; }
.auth label { display: flex; flex-direction: column; gap: 5px; font-size: 14px; color: var(--muted); }
.auth input { width: 100%; padding: 11px 14px; border: 1.5px solid var(--line); border-radius: 12px; color: var(--text); background: #fff; font-size: 16px; }
.auth input:focus { outline: 0; border-color: var(--ink-2); }
.field-suffix { display: flex; align-items: stretch; border: 1.5px solid var(--line); border-radius: 12px; overflow: hidden; }
.field-suffix:focus-within { border-color: var(--ink-2); }
.field-suffix input { border: 0; border-radius: 0; min-width: 0; }
.field-suffix span { display: flex; align-items: center; padding: 0 14px; background: #f3f7f6; color: var(--muted); white-space: nowrap; font-size: 15px; }
.row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.auth .btn { margin-top: 6px; }
.alert { margin-bottom: 16px; padding: 12px 14px; border-radius: 12px; background: #fbe9e7; color: var(--danger); font-size: 14px; }
.switch { margin: 22px 0 0; text-align: center; color: var(--muted); font-size: 15px; }
.switch a { color: var(--ink-2); font-weight: 600; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

/* প্রথম পাতা */
.landing { display: flex; flex-direction: column; background: #fff; }
.land-top { display: flex; align-items: center; justify-content: space-between; padding: 20px clamp(16px, 5vw, 64px); }
.land-login { color: var(--ink); font-weight: 600; text-decoration: none; padding: 8px 14px; border-radius: 999px; }
.land-login:hover { background: var(--bg); }
.land { flex: 1; display: grid; grid-template-columns: 1.1fr .9fr; align-items: center; gap: 48px; max-width: 1180px; width: 100%; margin: 0 auto; padding: 24px clamp(16px, 5vw, 64px) 64px; }
.land h1 { margin: 0 0 18px; font-size: clamp(32px, 4.6vw, 54px); line-height: 1.2; font-weight: 700; color: var(--ink); max-width: 15ch; }
.address { display: inline-block; margin: 0 0 22px; padding: 10px 18px; border-radius: 12px; background: var(--bg); font-size: clamp(18px, 2.2vw, 24px); font-weight: 600; color: var(--text); }
.typed { color: var(--ink-2); border-bottom: 2px solid var(--gold); }
.land-copy > p:not(.address) { max-width: 46ch; line-height: 1.7; color: var(--muted); margin: 0 0 30px; }
.land-cta { display: flex; flex-wrap: wrap; gap: 12px; }

/* খামের ছবি — একমাত্র সাজসজ্জা */
.land-art { display: grid; place-items: center; }
.env { position: relative; width: min(380px, 80vw); aspect-ratio: 4 / 3; background: var(--ink); border-radius: 22px; overflow: hidden; padding: 46% 12% 0; }
.env-flap { position: absolute; inset: 0 0 auto; height: 58%; background: linear-gradient(to bottom right, transparent 49.6%, var(--gold) 50%, var(--gold) 51.5%, transparent 52%), linear-gradient(to bottom left, transparent 49.6%, var(--gold) 50%, var(--gold) 51.5%, transparent 52%); }
.env-line { height: 10px; border-radius: 6px; background: rgba(255, 255, 255, .82); margin-bottom: 12px; }
.w80 { width: 80%; } .w60 { width: 60%; } .w70 { width: 70%; opacity: .6; }

@media (max-width: 760px) {
  .auth { padding: 28px 20px 22px; margin: 16px auto; border-radius: 18px; }
  .row2 { grid-template-columns: 1fr; }
  .land { grid-template-columns: 1fr; gap: 32px; padding-top: 8px; }
  .land-art { order: -1; }
  .env { width: min(260px, 70vw); }
}