@import url('https://fonts.googleapis.com/css2?family=Vazirmatn:wght@300;400;600;700&display=swap');

body.index-land-active {
    background-color: #020817;
}

.index-land-hero {
    position: relative;
    width: 100%;
    min-height: 100vh;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 3.5rem 1.75rem;
    box-sizing: border-box;
    direction: rtl;
    font-family: 'Vazirmatn', system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    color: #ffffff;
    background:
        radial-gradient(circle at top, rgba(255,255,255,0.08) 0, transparent 55%),
        radial-gradient(circle at bottom, rgba(0,0,0,0.5) 0, transparent 60%),
        linear-gradient(135deg, #020817 0%, #020b23 45%, #051221 100%);
    -webkit-font-smoothing: antialiased;
}

.index-land-hero::before {
    content: "";
    position: absolute;
    inset: -40%;
    background:
        radial-gradient(circle at 10% 20%, rgba(255, 0, 0, 0.20), transparent 55%),
        radial-gradient(circle at 80% 80%, rgba(255, 215, 0, 0.25), transparent 55%),
        radial-gradient(circle at 80% 10%, rgba(0, 0, 0, 0.55), transparent 55%);
    opacity: 0.75;
    filter: blur(30px);
    z-index: -2;
}

.index-land-overlay {
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle at 10% 90%, rgba(255,255,255,0.12) 0, transparent 50%),
        radial-gradient(circle at 90% 10%, rgba(255,255,255,0.08) 0, transparent 50%);
    mix-blend-mode: screen;
    pointer-events: none;
    z-index: 0;
}

/* language switch top button */
.index-land-lang-switch-btn {
    position: absolute;
    top: 1.4rem;
    left: 1.5rem;
    z-index: 20;
    padding: 0.45rem 1.1rem;
    border-radius: 999px;
    border: 1px solid rgba(255,255,255,0.6);
    background: radial-gradient(circle at 0 0, rgba(255,255,255,0.25), transparent 60%),
                linear-gradient(135deg, rgba(6,13,40,0.95), rgba(4,9,30,0.98));
    font-size: 0.78rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: #fff;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    box-shadow: 0 14px 30px rgba(0,0,0,0.5);
    backdrop-filter: blur(14px) saturate(1.4);
    -webkit-backdrop-filter: blur(14px) saturate(1.4);
    transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease, background 0.25s ease;
}

.index-land-lang-switch-btn::before {
    content: "⇄";
    font-size: 0.8rem;
    opacity: 0.9;
}

.index-land-lang-switch-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 18px 40px rgba(0,0,0,0.65);
    border-color: rgba(255,255,255,0.9);
}

.index-land-lang-switch-btn .label-en {
    display: none;
}

.index-land-hero[data-current-lang="en"] .index-land-lang-switch-btn .label-fa {
    display: none;
}

.index-land-hero[data-current-lang="en"] .index-land-lang-switch-btn .label-en {
    display: inline;
}

/* language overlay */
.index-land-language-overlay {
    position: absolute;
    inset: 0;
    z-index: 15;
    display: flex;
    align-items: center;
    justify-content: center;
    background: radial-gradient(circle at top, rgba(10,12,35,0.9), rgba(2,4,16,0.96));
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
}

.index-land-language-overlay.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.45s ease, visibility 0.45s ease;
}

.index-land-language-overlay-inner {
    position: relative;
    max-width: 420px;
    width: 100%;
    padding: 2rem 1.75rem 2.1rem;
    border-radius: 1.8rem;
    background: radial-gradient(circle at 0 0, rgba(255,255,255,0.15), transparent 55%),
                linear-gradient(145deg, rgba(8,11,40,0.96), rgba(4,7,24,0.98));
    border: 1px solid rgba(255,255,255,0.2);
    box-shadow: 0 30px 70px rgba(0,0,0,0.85);
    text-align: center;
    animation: index-land-language-pop 0.7s cubic-bezier(.16,.84,.44,1);
}

@keyframes index-land-language-pop {
    from {
        opacity: 0;
        transform: translateY(18px) scale(0.96);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.index-land-loader {
    width: 40px;
    height: 40px;
    margin: 0 auto 1rem;
    border-radius: 50%;
    border: 3px solid rgba(255,255,255,0.15);
    border-top-color: rgba(255,255,255,0.9);
    animation: index-land-spin 1s linear infinite;
}

@keyframes index-land-spin {
    to {
        transform: rotate(360deg);
    }
}

.index-land-language-site-name {
    font-weight: 700;
    font-size: 1rem;
    margin-bottom: 0.25rem;
}

.index-land-language-text {
    margin: 0 0 1.2rem;
    font-size: 0.9rem;
    color: rgba(255,255,255,0.82);
}

.index-land-language-buttons {
    display: flex;
    gap: 0.75rem;
    justify-content: center;
}

.index-land-lang-choice {
    border-radius: 999px;
    border: 1px solid rgba(255,255,255,0.55);
    background: radial-gradient(circle at 0 0, rgba(255,255,255,0.25), transparent 55%),
                linear-gradient(135deg, rgba(10,14,50,0.95), rgba(7,10,32,0.98));
    color: #fff;
    padding: 0.55rem 1.4rem;
    font-size: 0.9rem;
    cursor: pointer;
    box-shadow: 0 15px 35px rgba(0,0,0,0.6);
    transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease, background 0.25s ease;
}

.index-land-lang-choice:hover {
    transform: translateY(-2px);
    box-shadow: 0 18px 42px rgba(0,0,0,0.8);
    border-color: rgba(255,255,255,0.9);
}

/* plane */
.index-land-plane-wrapper {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 2;
}

.index-land-plane {
    position: absolute;
    top: 8%;
    right: -5%;
    width: min(40vw, 460px);
    max-width: 100%;
    opacity: 0.95;
    filter: drop-shadow(0 28px 40px rgba(0,0,0,0.55));
    animation:
        index-land-plane-intro 1.2s ease-out 0.1s forwards,
        index-land-plane-loop 16s linear 1.3s infinite;
    will-change: transform;
}

.index-land-plane.placeholder {
    font-size: 4rem;
    width: auto;
    height: auto;
    display: flex;
    align-items: center;
    justify-content: center;
}

@keyframes index-land-plane-intro {
    0% {
        transform: translate3d(80%, -40%, 0) rotate(-12deg);
        opacity: 0;
    }
    60% {
        transform: translate3d(0%, -5%, 0) rotate(0deg);
        opacity: 1;
    }
    100% {
        transform: translate3d(-10%, 0%, 0) rotate(4deg);
        opacity: 1;
    }
}

@keyframes index-land-plane-loop {
    0% {
        transform: translate3d(-10%, 0%, 0) rotate(4deg);
    }
    25% {
        transform: translate3d(-25%, 4%, 0) rotate(6deg);
    }
    50% {
        transform: translate3d(-5%, 10%, 0) rotate(2deg);
    }
    75% {
        transform: translate3d(15%, 4%, 0) rotate(-1deg);
    }
    100% {
        transform: translate3d(-10%, 0%, 0) rotate(4deg);
    }
}

/* content */
.index-land-content {
    position: relative;
    width: min(1120px, 100%);
    max-width: 100%;
    z-index: 3;
    display: flex;
    flex-direction: column;
    gap: 1.75rem;
}

.index-land-glass-bg {
    position: absolute;
    inset: -2.7rem -2.7rem -3rem;
    background: linear-gradient(135deg, rgba(4,7,26,0.9), rgba(3,7,18,0.96));
    border-radius: 2.5rem;
    border: 1px solid rgba(255,255,255,0.18);
    box-shadow:
        0 32px 90px rgba(0,0,0,0.9),
        0 0 0 1px rgba(255,255,255,0.05);
    backdrop-filter: blur(24px) saturate(1.5);
    -webkit-backdrop-filter: blur(24px) saturate(1.5);
    pointer-events: none;
    opacity: 0;
    transform: translateY(24px) scale(0.98);
    animation: index-land-glass-enter 0.9s cubic-bezier(.16,.84,.44,1) 0.45s forwards;
    will-change: transform, opacity;
}

@keyframes index-land-glass-enter {
    from {
        opacity: 0;
        transform: translateY(24px) scale(0.97);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.index-land-flag-band {
    position: relative;
    align-self: flex-start;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.3rem 0.8rem 0.3rem 1.1rem;
    border-radius: 999px;
    background: radial-gradient(circle at 0 50%, rgba(255,255,255,0.2), transparent 55%),
                linear-gradient(135deg, rgba(13,16,35,0.95), rgba(9,9,20,0.95));
    border: 1px solid rgba(255,255,255,0.22);
    box-shadow: 0 10px 30px rgba(0,0,0,0.6);
    transform: translateY(12px);
    opacity: 0;
    animation: index-land-badge-enter 0.8s cubic-bezier(.16,.84,.44,1) 0.6s forwards;
}

@keyframes index-land-badge-enter {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.flag-strip {
    position: relative;
    display: block;
    width: 22px;
    height: 22px;
    border-radius: 999px;
    overflow: hidden;
    box-shadow: 0 0 0 1px rgba(255,255,255,0.35);
}

.flag-strip-de::before,
.flag-strip-ir::before {
    content: "";
    position: absolute;
    inset: 0;
}

.flag-strip-de::before {
    background: linear-gradient(to bottom, #000000 33.33%, #dd0000 33.33%, #dd0000 66.66%, #ffce00 66.66%);
}

.flag-strip-ir::before {
    background: linear-gradient(to bottom, #239f40 33.33%, #ffffff 33.33%, #ffffff 66.66%, #da0000 66.66%);
}

.flag-label {
    font-size: 0.75rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    opacity: 0.9;
}

.index-land-title-wrap {
    position: relative;
    z-index: 2;
    padding-top: 0.5rem;
    padding-bottom: 0.5rem;
}

.index-land-title {
    font-size: clamp(2rem, 3.3vw, 2.9rem);
    line-height: 1.3;
    margin: 0 0 0.4rem;
    letter-spacing: -0.03em;
}

.index-land-subtitle {
    margin: 0;
    font-size: 0.98rem;
    color: rgba(255,255,255,0.82);
}

.index-land-cards {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.8rem;
    margin-top: 1.9rem;
}

.index-land-card {
    position: relative;
    display: block;
    text-decoration: none;
    color: inherit;
    border-radius: 2rem;
    overflow: hidden;
    padding: 1.9rem 2rem;
    background: radial-gradient(circle at top left, rgba(255,255,255,0.16), transparent 55%),
                linear-gradient(145deg, rgba(8,10,30,0.95), rgba(8,8,26,0.98));
    border: 1px solid rgba(255,255,255,0.20);
    box-shadow:
        0 26px 52px rgba(0,0,0,0.78),
        0 0 0 1px rgba(255,255,255,0.04);
    transition:
        transform 0.4s cubic-bezier(.16,.84,.44,1),
        box-shadow 0.4s cubic-bezier(.16,.84,.44,1),
        border-color 0.35s ease,
        background 0.4s ease,
        opacity 0.35s ease,
        filter 0.35s ease;
    cursor: pointer;
    transform-origin: center;
    min-height: 190px;
    will-change: transform;
}

.index-land-card::before {
    content: "";
    position: absolute;
    inset: -40%;
    background: radial-gradient(circle at 0 0, rgba(255,255,255,0.24), transparent 55%);
    opacity: 0;
    transform: translate3d(-10%, -10%, 0);
    transition: opacity 0.45s ease, transform 0.45s ease;
}

.index-land-card .card-inner {
    position: relative;
    z-index: 1;
}

.index-land-card h2 {
    margin: 0 0 0.5rem;
    font-size: 1.35rem;
}

.index-land-card p {
    margin: 0;
    font-size: 0.95rem;
    color: rgba(255,255,255,0.85);
}

/* entrance animations: right / left */
.index-land-card-1 {
    opacity: 0;
    transform: translate3d(30px, 18px, 0) scale(0.97);
    animation: index-land-card-enter-right 0.8s cubic-bezier(.16,.84,.44,1) 0.8s forwards;
}

.index-land-card-2 {
    opacity: 0;
    transform: translate3d(-30px, 22px, 0) scale(0.97);
    animation: index-land-card-enter-left 0.8s cubic-bezier(.16,.84,.44,1) 0.95s forwards;
}

@keyframes index-land-card-enter-right {
    to {
        opacity: 1;
        transform: translate3d(0, 0, 0) scale(1);
    }
}

@keyframes index-land-card-enter-left {
    to {
        opacity: 1;
        transform: translate3d(0, 0, 0) scale(1);
    }
}

.index-land-card.active {
    transform: translateY(-10px) scale(1.07);
    box-shadow:
        0 32px 90px rgba(0,0,0,0.9),
        0 0 0 1px rgba(255,255,255,0.14);
    border-color: rgba(255,255,255,0.4);
    background: radial-gradient(circle at top left, rgba(255,255,255,0.24), transparent 55%),
                linear-gradient(145deg, rgba(18,20,55,0.98), rgba(6,11,35,1));
}

.index-land-card.active::before {
    opacity: 1;
    transform: translate3d(0, 0, 0);
}

.index-land-card.dimmed {
    opacity: 0.65;
    filter: blur(0.2px) saturate(0.9);
    transform: translateY(4px) scale(0.95);
}

/* card expanding click effect */
.index-land-card-expanding {
    position: relative;
    z-index: 30;
    animation: index-land-card-expand 0.45s cubic-bezier(.16,.84,.44,1) forwards;
}

@keyframes index-land-card-expand {
    to {
        transform: scale(1.08);
        border-radius: 0.75rem;
        box-shadow: 0 40px 90px rgba(0,0,0,0.95);
    }
}

.index-land-hero-expanding-overlay {
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at center, rgba(0,0,0,0.35), rgba(0,0,0,0.9));
    z-index: 25;
    opacity: 0;
    animation: index-land-hero-overlay-in 0.45s ease forwards;
}

@keyframes index-land-hero-overlay-in {
    to { opacity: 1; }
}

/* Germany / Iran ambient elements */
.index-land-germany-elements {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 1;
}

.element {
    position: absolute;
}

.element-berlin {
    bottom: -10%;
    left: 2%;
    width: 260px;
    max-width: 40vw;
    height: 260px;
    background:
        radial-gradient(circle at 50% 0, rgba(255,255,255,0.25), transparent 70%),
        linear-gradient(to top, rgba(0,0,0,0.9), transparent);
    opacity: 0.18;
    filter: blur(4px);
    border-radius: 50% 50% 0 0;
}

.element-germany-text {
    top: 10%;
    left: 50%;
    transform: translateX(-50%);
    font-size: clamp(4rem, 13vw, 7.5rem);
    font-weight: 800;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: rgba(255,255,255,0.03);
    pointer-events: none;
    white-space: nowrap;
}

.element-eu-stars {
    top: 14%;
    right: 7%;
    width: 130px;
    height: 130px;
    border-radius: 999px;
    border: 1px dashed rgba(255,255,255,0.35);
    box-shadow: 0 0 30px rgba(0,0,0,0.7);
    opacity: 0.55;
}

.element-eu-stars::before {
    content: "EU";
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    letter-spacing: 0.12em;
    font-size: 0.8rem;
    color: rgba(255,255,255,0.8);
}

/* Responsive */
@media (max-width: 960px) {
    .index-land-hero {
        padding: 3.4rem 1.5rem;
    }

    .index-land-plane {
        top: 6%;
        right: -16%;
        width: min(60vw, 360px);
    }

    .index-land-glass-bg {
        inset: -2.2rem -1.8rem -2.4rem;
        border-radius: 2.1rem;
    }

    .index-land-cards {
        grid-template-columns: minmax(0, 1fr);
    }

    .index-land-card {
        padding: 1.6rem 1.7rem;
        min-height: 170px;
    }

    .element-germany-text {
        font-size: clamp(3rem, 16vw, 4.5rem);
        top: 16%;
    }

    .element-eu-stars {
        top: auto;
        bottom: 4%;
        right: 8%;
        width: 110px;
        height: 110px;
    }
}

@media (max-width: 640px) {
    .index-land-hero {
        padding-top: 4.6rem;
        padding-bottom: 3.2rem;
        padding-inline: 1.6rem;
    }

    .index-land-lang-switch-btn {
        left: 1rem;
        top: 1rem;
        font-size: 0.7rem;
        padding-inline: 0.9rem;
    }

    .index-land-glass-bg {
        inset: -1.8rem -1.4rem -2.1rem;
        border-radius: 1.7rem;
    }

    .index-land-title {
        font-size: 1.65rem;
    }

    .index-land-subtitle {
        font-size: 0.9rem;
    }

    .index-land-cards {
        gap: 1.2rem;
        margin-top: 1.4rem;
    }

    .index-land-card {
        padding: 1.5rem 1.4rem;
        border-radius: 1.6rem;
        min-height: 0;
    }

    .index-land-card h2 {
        font-size: 1.15rem;
    }

    .index-land-card p {
        font-size: 0.9rem;
    }

    .index-land-plane {
        top: 4%;
        right: -30%;
        width: 72vw;
    }

    .element-germany-text {
        display: none;
    }

    .element-eu-stars {
        opacity: 0.4;
        width: 95px;
        height: 95px;
    }

    .index-land-language-overlay-inner {
        margin-inline: 1.5rem;
        padding-inline: 1.4rem;
    }

    .index-land-language-buttons {
        flex-direction: row;
    }
}