/* ================================================
   NOT OPEN FOR EVERYONE — Design System
   1920s Prohibition · Paris · Madrid
   ================================================ */

/* --- Google Fonts --- */
@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,500;0,600;0,700;1,400;1,500;1,600&family=Inter:wght@200;300;400;500;600&family=Cinzel:wght@400;500;600;700&display=swap');

/* --- CSS Custom Properties --- */
:root {
    /* Brand Colors */
    --principal: rgb(59, 0, 20);
    --principal-light: rgb(85, 10, 35);
    --principal-glow: rgba(59, 0, 20, 0.5);
    --detail: rgb(166, 134, 83);
    --detail-light: rgb(196, 162, 101);
    --detail-dim: rgba(166, 134, 83, 0.25);
    --detail-glow: rgba(166, 134, 83, 0.12);

    /* Neutrals */
    --void: #050505;
    --obsidian: #0D0D0D;
    --charcoal: #161616;
    --ivory: #F0EDE6;
    --ivory-soft: rgba(240, 237, 230, 0.85);
    --ivory-muted: rgba(240, 237, 230, 0.45);

    /* Typography */
    --font-display: 'Playfair Display', Georgia, serif;
    --font-body: 'Inter', -apple-system, sans-serif;
    --font-accent: 'Cinzel', serif;

    /* Spacing */
    --section-pad: clamp(80px, 12vh, 160px);
    --container-max: 1000px;

    /* Transitions */
    --ease-smooth: cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    --t-fast: 0.3s;
    --t-medium: 0.6s;
    --t-slow: 1s;
}

/* --- Reset --- */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    overflow-x: hidden;
}

body {
    font-family: var(--font-body);
    background-color: var(--void);
    color: var(--ivory);
    line-height: 1.7;
    font-weight: 300;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img { max-width: 100%; display: block; }

a {
    color: var(--detail);
    text-decoration: none;
    transition: color var(--t-fast) var(--ease-smooth);
}
a:hover { color: var(--detail-light); }

::selection {
    background: var(--principal);
    color: var(--detail);
}

/* --- Container --- */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 clamp(24px, 6vw, 60px);
}

/* --- Grain Overlay --- */
body::after {
    content: '';
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
    pointer-events: none;
    z-index: 9999;
    opacity: 0.6;
}

/* ================================================
   LANGUAGE TOGGLE
   ================================================ */
.lang-toggle {
    position: fixed;
    top: 2rem;
    right: 2rem;
    z-index: 100;
    display: flex;
    gap: 0;
    border: 1px solid var(--detail-dim);
    background: rgba(5, 5, 5, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    overflow: hidden;
}

.lang-toggle__btn {
    background: none;
    border: none;
    padding: 0.5rem 1rem;
    font-family: var(--font-accent);
    font-size: 0.6rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--ivory-muted);
    cursor: pointer;
    transition: all var(--t-fast) var(--ease-smooth);
    position: relative;
}

.lang-toggle__btn.active {
    color: var(--detail);
    background: rgba(166, 134, 83, 0.08);
}

.lang-toggle__btn:hover {
    color: var(--ivory);
}

.lang-toggle__btn + .lang-toggle__btn {
    border-left: 1px solid var(--detail-dim);
}

/* ================================================
   SCROLL ANIMATIONS
   ================================================ */
.reveal {
    opacity: 0;
    transform: translateY(35px);
    transition: opacity 0.9s var(--ease-out), transform 0.9s var(--ease-out);
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.12s; }
.reveal-delay-2 { transition-delay: 0.24s; }
.reveal-delay-3 { transition-delay: 0.36s; }

/* ================================================
   HERO SECTION
   ================================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    overflow: hidden;
    background: var(--void);
}

/* Subtle radial glow behind butterfly */
.hero::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -55%);
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, var(--principal-glow) 0%, transparent 70%);
    opacity: 0.35;
    pointer-events: none;
    animation: heroGlow 8s ease-in-out infinite alternate;
}

@keyframes heroGlow {
    0% { opacity: 0.25; transform: translate(-50%, -55%) scale(1); }
    100% { opacity: 0.45; transform: translate(-50%, -55%) scale(1.15); }
}

.hero__content {
    position: relative;
    z-index: 2;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
}

/* Butterfly — Brand Symbol (faithful PNG) */
.hero__symbol {
    margin-bottom: 3rem;
    opacity: 0;
    transform: scale(0.85);
    transition: opacity 1.4s var(--ease-out) 0.2s, transform 1.4s var(--ease-out) 0.2s;
}

.hero__symbol.animate {
    opacity: 1;
    transform: scale(1);
}

.hero__butterfly {
    width: clamp(140px, 20vw, 220px);
    height: auto;
    animation: butterflyFloat 7s ease-in-out infinite;
    filter: drop-shadow(0 0 40px rgba(166, 134, 83, 0.1));
    user-select: none;
    pointer-events: none;
}

@keyframes butterflyFloat {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    25% { transform: translateY(-5px) rotate(0.5deg); }
    50% { transform: translateY(-2px) rotate(0deg); }
    75% { transform: translateY(-7px) rotate(-0.5deg); }
}

/* Tagline — subtle, NOT the brand */
.hero__tagline {
    font-family: var(--font-accent);
    font-size: clamp(0.6rem, 1vw, 0.75rem);
    letter-spacing: 0.4em;
    text-transform: uppercase;
    color: var(--ivory-muted);
    margin-bottom: 2rem;
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.8s var(--ease-out) 1s, transform 0.8s var(--ease-out) 1s;
}

.hero__tagline.animate {
    opacity: 1;
    transform: translateY(0);
}

/* Gold line */
.hero__line {
    width: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--detail), transparent);
    margin-bottom: 2rem;
    transition: width 1.2s var(--ease-out) 1.4s;
}

.hero__line.animate {
    width: 60px;
}

/* Subtitle */
.hero__subtitle {
    font-family: var(--font-body);
    font-size: clamp(0.8rem, 1.1vw, 0.95rem);
    font-weight: 300;
    color: var(--ivory-muted);
    letter-spacing: 0.1em;
    margin-bottom: 3rem;
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.8s var(--ease-out) 1.8s, transform 0.8s var(--ease-out) 1.8s;
}

.hero__subtitle.animate {
    opacity: 1;
    transform: translateY(0);
}

/* CTA Button — reveals the form */
.hero__cta {
    display: inline-block;
    padding: 0.9rem 2.5rem;
    background: transparent;
    border: 1px solid var(--detail);
    font-family: var(--font-accent);
    font-size: 0.6rem;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--detail);
    cursor: pointer;
    transition: all var(--t-fast) var(--ease-smooth);
    position: relative;
    overflow: hidden;
    opacity: 0;
    transform: translateY(10px);
    animation: ctaFadeIn 0.8s var(--ease-out) 2.2s forwards;
}

@keyframes ctaFadeIn {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero__cta::before {
    content: '';
    position: absolute;
    top: 0; left: -100%;
    width: 100%; height: 100%;
    background: var(--detail);
    transition: left var(--t-medium) var(--ease-out);
    z-index: 0;
}

.hero__cta:hover {
    color: var(--void);
}

.hero__cta:hover::before {
    left: 0;
}

.hero__cta span {
    position: relative;
    z-index: 1;
}

/* Scroll indicator */
.hero__scroll {
    position: absolute;
    bottom: 2.5rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    opacity: 0;
    animation: fadeInScroll 1s var(--ease-out) 2.8s forwards;
}

.hero__scroll span {
    display: block;
    width: 1px;
    height: 50px;
    background: linear-gradient(to bottom, var(--detail), transparent);
    animation: scrollPulse 2.5s ease-in-out infinite;
}

@keyframes fadeInScroll {
    to { opacity: 1; }
}

@keyframes scrollPulse {
    0%, 100% { opacity: 0.3; transform: scaleY(1); }
    50% { opacity: 0.8; transform: scaleY(1.1); }
}

/* ================================================
   APPLICATION SECTION
   ================================================ */
.application {
    padding: var(--section-pad) 0;
    position: relative;
    background: linear-gradient(180deg,
        var(--void) 0%,
        var(--principal) 40%,
        var(--principal) 60%,
        var(--void) 100%
    );
    /* Hidden by default — revealed by CTA */
    display: none;
}

.application.visible {
    display: block;
}

.application__header {
    text-align: center;
    margin-bottom: clamp(2.5rem, 5vw, 4rem);
}

.application__title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3.2rem);
    font-style: italic;
    font-weight: 400;
    color: var(--ivory);
    margin-bottom: 1rem;
}

.application__subtitle {
    font-size: clamp(0.85rem, 1.2vw, 1rem);
    font-weight: 300;
    color: var(--ivory-soft);
    max-width: 520px;
    margin: 0 auto;
    line-height: 1.7;
}

/* Form Container */
.form-container {
    max-width: 600px;
    margin: 0 auto;
    padding: clamp(2rem, 4vw, 3.5rem);
    border: 1px solid var(--detail-dim);
    background: rgba(5, 5, 5, 0.5);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    position: relative;
}

.form-container::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 2px;
    background: linear-gradient(90deg, transparent, var(--detail), transparent);
}

/* Form Styles */
.form__row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.form__group {
    margin-bottom: 1.8rem;
    position: relative;
}

.form__label {
    display: block;
    font-family: var(--font-accent);
    font-size: 0.55rem;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: var(--detail);
    margin-bottom: 0.7rem;
}

.form__input,
.form__select,
.form__textarea {
    width: 100%;
    background: transparent;
    border: none;
    border-bottom: 1px solid var(--detail-dim);
    padding: 0.8rem 0;
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 300;
    color: var(--ivory);
    transition: border-color var(--t-fast) var(--ease-smooth);
    outline: none;
    appearance: none;
    -webkit-appearance: none;
    border-radius: 0;
}

.form__input::placeholder,
.form__textarea::placeholder {
    color: var(--ivory-muted);
    font-weight: 200;
}

.form__input:focus,
.form__select:focus,
.form__textarea:focus {
    border-bottom-color: var(--detail);
}

/* Select arrow */
.form__select-wrapper {
    position: relative;
}

.form__select-wrapper::after {
    content: '▾';
    position: absolute;
    right: 0;
    bottom: 0.8rem;
    color: var(--detail);
    font-size: 0.8rem;
    pointer-events: none;
}

.form__select {
    cursor: pointer;
    padding-right: 1.5rem;
}

.form__select option {
    background: var(--obsidian);
    color: var(--ivory);
    padding: 0.5rem;
}

/* Phone group: prefix dropdown + number input */
.form__phone-group {
    display: flex;
    align-items: flex-end;
    gap: 0.8rem;
}

.form__phone-prefix {
    flex: 0 0 auto;
    min-width: 95px;
}

.form__phone-prefix .form__select {
    font-size: 0.85rem;
    padding-right: 1.2rem;
}

.form__phone-prefix::after {
    bottom: 0.8rem;
    right: 0;
}

.form__phone-number {
    flex: 1;
}

/* Prefixed input (LinkedIn, Instagram) */
.form__prefixed-input {
    display: flex;
    align-items: center;
    border-bottom: 1px solid var(--detail-dim);
    transition: border-color var(--t-fast) var(--ease-smooth);
}

.form__prefixed-input:focus-within {
    border-bottom-color: var(--detail);
}

.form__prefixed-input .form__input {
    border-bottom: none;
    flex: 1;
}

.form__input-prefix {
    font-family: var(--font-body);
    font-size: 0.85rem;
    font-weight: 300;
    color: var(--ivory-muted);
    white-space: nowrap;
    user-select: none;
    padding: 0.8rem 0;
}

/* Optional tag */
.form__optional {
    font-weight: 300;
    font-size: 0.5rem;
    letter-spacing: 0.1em;
    color: var(--ivory-muted);
    text-transform: lowercase;
    font-family: var(--font-body);
}

/* Asterisk for optional social fields */
.form__asterisk {
    color: var(--detail);
    font-size: 0.6rem;
    vertical-align: super;
    font-family: var(--font-body);
}

/* Social footnote */
.form__footnote {
    font-size: 0.7rem;
    font-weight: 300;
    color: var(--ivory-muted);
    line-height: 1.5;
    font-style: italic;
    margin-bottom: 0.5rem;
}

.form__footnote .form__asterisk {
    vertical-align: baseline;
    margin-right: 0.2rem;
}

/* LinkedIn hint */
.form__hint {
    font-size: 0.7rem;
    color: var(--ivory-muted);
    margin-top: 0.4rem;
    font-weight: 200;
}

.form__hint--error {
    color: rgb(220, 80, 80);
}

/* Date input fix */
.form__input[type="date"] {
    color-scheme: dark;
}

.form__input[type="date"]::-webkit-calendar-picker-indicator {
    filter: invert(0.7) sepia(0.5) saturate(2) hue-rotate(10deg);
    cursor: pointer;
    opacity: 0.5;
    transition: opacity var(--t-fast);
}

.form__input[type="date"]::-webkit-calendar-picker-indicator:hover {
    opacity: 1;
}

/* Privacy checkbox */
.form__checkbox-group {
    margin: 2rem 0;
    display: flex;
    align-items: flex-start;
    gap: 0.8rem;
}

.form__checkbox {
    appearance: none;
    -webkit-appearance: none;
    width: 16px;
    height: 16px;
    min-width: 16px;
    border: 1px solid var(--detail-dim);
    background: transparent;
    cursor: pointer;
    margin-top: 2px;
    transition: all var(--t-fast) var(--ease-smooth);
    position: relative;
}

.form__checkbox:checked {
    border-color: var(--detail);
    background: var(--detail);
}

.form__checkbox:checked::after {
    content: '✓';
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    font-size: 0.6rem;
    color: var(--void);
    font-weight: 600;
}

.form__checkbox-label {
    font-size: 0.78rem;
    font-weight: 300;
    color: var(--ivory-muted);
    line-height: 1.5;
    cursor: pointer;
}

.form__checkbox-label a {
    color: var(--detail);
    text-decoration: underline;
    text-underline-offset: 2px;
}

/* Submit Button */
.form__submit {
    display: block;
    width: 100%;
    padding: 1rem 2rem;
    background: transparent;
    border: 1px solid var(--detail);
    font-family: var(--font-accent);
    font-size: 0.65rem;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--detail);
    cursor: pointer;
    transition: all var(--t-fast) var(--ease-smooth);
    position: relative;
    overflow: hidden;
}

.form__submit::before {
    content: '';
    position: absolute;
    top: 0; left: -100%;
    width: 100%; height: 100%;
    background: var(--detail);
    transition: left var(--t-medium) var(--ease-out);
    z-index: 0;
}

.form__submit:hover {
    color: var(--void);
}

.form__submit:hover::before {
    left: 0;
}

.form__submit span {
    position: relative;
    z-index: 1;
}

.form__submit:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.form__submit:disabled:hover::before {
    left: -100%;
}

.form__submit:disabled:hover {
    color: var(--detail);
}

/* Success Message */
.form__success {
    display: none;
    text-align: center;
    padding: 3rem 2rem;
}

.form__success.visible {
    display: block;
    animation: successIn 0.8s var(--ease-out) forwards;
}

@keyframes successIn {
    from {
        opacity: 0;
        transform: scale(0.95) translateY(10px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.form__success-icon {
    display: block;
    font-size: 2rem;
    color: var(--detail);
    margin-bottom: 1.5rem;
    animation: iconPulse 2s ease-in-out infinite;
}

@keyframes iconPulse {
    0%, 100% { opacity: 0.7; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.05); }
}

.form__success-title {
    font-family: var(--font-display);
    font-size: 1.6rem;
    font-style: italic;
    color: var(--ivory);
    margin-bottom: 1rem;
}

.form__success-text {
    font-size: 0.9rem;
    font-weight: 300;
    color: var(--ivory-soft);
    line-height: 1.8;
    max-width: 400px;
    margin: 0 auto;
}

/* ================================================
   FOOTER
   ================================================ */
.footer {
    padding: 3rem 0;
    text-align: center;
    border-top: 1px solid rgba(166, 134, 83, 0.08);
}

.footer__instagram {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-accent);
    font-size: 0.6rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--detail);
    margin-bottom: 2rem;
    padding: 0.6rem 1.5rem;
    border: 1px solid var(--detail-dim);
    transition: all var(--t-fast) var(--ease-smooth);
}

.footer__instagram:hover {
    border-color: var(--detail);
    background: rgba(166, 134, 83, 0.05);
    color: var(--detail-light);
}

.footer__instagram svg {
    width: 14px;
    height: 14px;
    fill: var(--detail);
}

.footer__copy {
    font-size: 0.7rem;
    font-weight: 300;
    color: var(--ivory-muted);
    letter-spacing: 0.05em;
}

.footer__copy a {
    color: var(--ivory-muted);
    text-decoration: underline;
    text-underline-offset: 2px;
}

.footer__copy a:hover {
    color: var(--detail);
}

.footer__location {
    font-family: var(--font-accent);
    font-size: 0.55rem;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--ivory-muted);
    margin-top: 1rem;
    opacity: 0.5;
}

/* ================================================
   RESPONSIVE
   ================================================ */
@media (max-width: 768px) {
    .form__row {
        grid-template-columns: 1fr;
        gap: 0;
    }

    .lang-toggle {
        top: 1.2rem;
        right: 1.2rem;
    }

    .form-container {
        border-left: none;
        border-right: none;
        padding: 2rem 1.5rem;
    }

    .hero__butterfly {
        width: max(40vw, 150px);
    }
}

@media (max-width: 480px) {
    .application__title {
        font-size: 1.6rem;
    }

    .form-container {
        padding: 1.5rem 1rem;
    }
}

/* ================================================
   UTILITY — LOADING STATE
   ================================================ */
.form__submit.loading {
    pointer-events: none;
}

.form__submit.loading span::after {
    content: '';
    display: inline-block;
    width: 12px;
    height: 12px;
    border: 1px solid var(--detail);
    border-top-color: transparent;
    border-radius: 50%;
    margin-left: 0.8rem;
    animation: spin 0.8s linear infinite;
    vertical-align: middle;
}

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