/* ========================================
   KONFIDA – Landing Page Styles
   ======================================== */

:root {
    --color-primary: #1a3a5c;
    --color-primary-light: #2a5a8c;
    --color-accent: #2e7d6f;
    --color-accent-light: #3a9d8c;
    --color-bg: #ffffff;
    --color-bg-light: #f6f8fb;
    --color-bg-dark: #0f2439;
    --color-text: #1e293b;
    --color-text-light: #64748b;
    --color-border: #e2e8f0;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-serif: 'Source Serif 4', Georgia, serif;
    --radius: 8px;
    --radius-lg: 16px;
    --shadow: 0 1px 3px rgba(0,0,0,0.08), 0 4px 12px rgba(0,0,0,0.04);
    --shadow-lg: 0 4px 12px rgba(0,0,0,0.1), 0 12px 32px rgba(0,0,0,0.06);
    --max-width: 1140px;
    --banner-h: 64px;
}

/* RESET */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
    font-family: var(--font-sans);
    color: var(--color-text);
    background: var(--color-bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    padding-bottom: var(--banner-h);
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* LAYOUT */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: 96px 0;
}
.section--light {
    background: var(--color-bg-light);
}
.section--dark {
    background: var(--color-bg-dark);
    color: #ffffff;
}

.section__header {
    text-align: center;
    max-width: 640px;
    margin: 0 auto 64px;
}
.section__tag {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-accent);
    background: rgba(46,125,111,0.1);
    padding: 4px 14px;
    border-radius: 100px;
    margin-bottom: 16px;
}
.section__tag--light {
    color: #fff;
    background: rgba(255,255,255,0.15);
}
.section__header h2 {
    font-family: var(--font-serif);
    font-size: 2.25rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 16px;
}
.section__desc {
    font-size: 1.1rem;
    color: var(--color-text-light);
}
.section--dark .section__desc {
    color: rgba(255,255,255,0.7);
}

/* BUTTONS */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-sans);
    font-size: 1rem;
    font-weight: 600;
    padding: 14px 28px;
    border-radius: var(--radius);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: center;
}
.btn--sm {
    padding: 8px 20px;
    font-size: 0.9rem;
}
.btn--primary {
    background: var(--color-accent);
    color: #fff;
    border-color: var(--color-accent);
}
.btn--primary:hover {
    background: var(--color-accent-light);
    border-color: var(--color-accent-light);
}
.btn--outline {
    background: transparent;
    color: var(--color-primary);
    border-color: var(--color-border);
}
.btn--outline:hover {
    border-color: var(--color-primary);
    background: var(--color-bg-light);
}
.btn--full {
    width: 100%;
}
.section--dark .btn--outline {
    color: #fff;
    border-color: rgba(255,255,255,0.3);
}
.section--dark .btn--outline:hover {
    border-color: #fff;
    background: rgba(255,255,255,0.1);
}

/* NAV */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
}
.nav__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}
.nav__logo {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
}
.nav__links {
    display: flex;
    align-items: center;
    gap: 32px;
}
.nav__links a {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text-light);
    transition: color 0.2s;
}
.nav__links a:hover {
    color: var(--color-text);
}
.nav__toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}
.nav__toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-text);
    transition: all 0.3s;
}
.nav__toggle--active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav__toggle--active span:nth-child(2) { opacity: 0; }
.nav__toggle--active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* HERO */
.hero {
    padding: 140px 0 80px;
    background: linear-gradient(135deg, #f0f5fa 0%, #e8f0f8 100%);
}
.hero__inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}
.hero h1 {
    font-family: var(--font-serif);
    font-size: 3.25rem;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 20px;
    color: var(--color-primary);
}
.hero__sub {
    font-size: 1.2rem;
    color: var(--color-text-light);
    margin-bottom: 32px;
    line-height: 1.7;
}
.hero__cta {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}
.hero__image {
    background: var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    aspect-ratio: 4/3;
}
.hero__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* PROOF BAR */
.proof {
    padding: 20px 0;
    background: var(--color-primary);
    color: rgba(255,255,255,0.85);
    text-align: center;
}
.proof__text {
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.02em;
}

/* PROBLEM CARDS */
.problems {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}
.problem-card {
    background: #fff;
    padding: 36px 28px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow);
}
.problem-card__icon {
    font-size: 2rem;
    margin-bottom: 16px;
}
.problem-card h3 {
    font-size: 1.15rem;
    font-weight: 600;
    margin-bottom: 12px;
}
.problem-card p {
    color: var(--color-text-light);
    font-size: 0.95rem;
}

/* SOLUTION FLOW */
.solution-flow {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: 16px;
    margin-bottom: 56px;
    flex-wrap: wrap;
}
.flow-step {
    flex: 1;
    min-width: 180px;
    max-width: 240px;
    text-align: center;
    padding: 24px 16px;
}
.flow-step__number {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--color-accent);
    color: #fff;
    font-weight: 700;
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
}
.flow-step h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 8px;
}
.flow-step p {
    font-size: 0.9rem;
    color: var(--color-text-light);
}
.flow-step__arrow {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    color: var(--color-accent);
    font-weight: 700;
    padding-top: 28px;
}
.solution-image {
    background: var(--color-bg-light);
    border-radius: var(--radius-lg);
    overflow: hidden;
    max-width: 800px;
    margin: 0 auto;
    aspect-ratio: 16/9;
    border: 1px solid var(--color-border);
}
.solution-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* FEATURE CARDS */
.features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}
.feature-card {
    background: #fff;
    padding: 32px 24px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow);
    transition: box-shadow 0.2s;
}
.feature-card:hover {
    box-shadow: var(--shadow-lg);
}
.feature-card__icon {
    width: 52px;
    height: 52px;
    border-radius: 12px;
    background: rgba(46,125,111,0.1);
    color: var(--color-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}
.feature-card h3 {
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 10px;
}
.feature-card p {
    color: var(--color-text-light);
    font-size: 0.92rem;
    line-height: 1.6;
}

/* PRICING */
.pricing {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
    align-items: stretch;
}
/* Single-card variant: center one card with a sensible max-width */
.pricing--single {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin-left: auto;
    margin-right: auto;
}
.pricing-card {
    background: #fff;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    padding: 36px 28px;
    box-shadow: var(--shadow);
    position: relative;
    display: flex;
    flex-direction: column;
}
.pricing-card .btn {
    margin-top: auto;
}
.pricing-card__header {
    margin-bottom: 24px;
}
.pricing-card__header h3 {
    font-family: var(--font-serif);
    font-size: 1.35rem;
    font-weight: 700;
    margin-bottom: 4px;
}
.pricing-card__desc {
    font-size: 0.9rem;
    color: var(--color-text-light);
}
.pricing-card__price {
    margin-bottom: 28px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--color-border);
}
.pricing-card__price-row {
    display: flex;
    align-items: baseline;
    gap: 6px;
    margin-bottom: 8px;
}
.pricing-card__price-row:last-child {
    margin-bottom: 0;
}
.pricing-card__price-row--secondary {
    padding-top: 8px;
    border-top: 1px solid var(--color-border);
}
.pricing-card__amount {
    font-family: var(--font-serif);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-primary);
}
.pricing-card__amount--secondary {
    font-size: 1.75rem;
}
.pricing-card__period {
    font-size: 0.95rem;
    color: var(--color-text-light);
    margin-left: 4px;
}
.pricing-card__features {
    margin-bottom: 24px;
}
.pricing-card__features li {
    padding: 8px 0;
    font-size: 0.92rem;
    padding-left: 24px;
    position: relative;
}
.pricing-card__features li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--color-accent);
    font-weight: 700;
}
/* CONTACT */
.contact {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: start;
}
/* CTA-only variant: single centered column */
.contact--cta {
    grid-template-columns: 1fr;
    max-width: 640px;
    margin-left: auto;
    margin-right: auto;
    text-align: center;
}
.contact--cta .contact__info {
    display: inline-block;
    text-align: left;
}
.contact__text h2 {
    font-family: var(--font-serif);
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 16px;
}
.contact__text p {
    color: rgba(255,255,255,0.75);
    font-size: 1.05rem;
    line-height: 1.7;
    margin-bottom: 24px;
}
.contact__info {
    padding-top: 16px;
    border-top: 1px solid rgba(255,255,255,0.15);
    margin-bottom: 32px;
}
.contact__info p {
    font-size: 0.95rem;
    margin-bottom: 4px;
}
.contact__email {
    color: rgba(255,255,255,0.85);
    text-decoration: underline;
    text-underline-offset: 3px;
}
.contact__email:hover {
    color: #fff;
}
.contact__waitlist-btn {
    margin-top: 8px;
}
.form-group {
    margin-bottom: 20px;
}
.form-group label {
    display: block;
    font-size: 0.88rem;
    font-weight: 600;
    margin-bottom: 6px;
}
.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-family: var(--font-sans);
    font-size: 0.95rem;
    transition: border-color 0.2s;
    background: #fff;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(46,125,111,0.12);
}
.form-group textarea {
    resize: vertical;
}

/* FOOTER */
.footer {
    background: var(--color-bg-dark);
    color: rgba(255,255,255,0.6);
    padding: 48px 0 32px;
    border-top: 1px solid rgba(255,255,255,0.08);
}
.footer__inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    text-align: center;
}
.footer__brand p {
    font-size: 0.88rem;
    margin-top: 4px;
}
.footer__links {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
    justify-content: center;
}
.footer__links a {
    font-size: 0.88rem;
    transition: color 0.2s;
}
.footer__links a:hover {
    color: #fff;
}
.footer__copy {
    font-size: 0.8rem;
    margin-top: 8px;
}

/* ========================================
   WAITLIST BANNER
   ======================================== */

.waitlist-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 900;
    height: var(--banner-h);
    background: var(--color-primary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    padding: 0 24px;
    box-shadow: 0 -2px 12px rgba(0,0,0,0.15);
    border-top: 3px solid var(--color-accent);
}

.waitlist-banner--hidden {
    display: none;
}

.waitlist-banner__text {
    font-size: 0.95rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    white-space: nowrap;
}

.waitlist-banner__cta {
    background: var(--color-accent);
    color: #fff;
    border: none;
    border-radius: var(--radius);
    padding: 8px 20px;
    font-family: var(--font-sans);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
    white-space: nowrap;
}

.waitlist-banner__cta:hover {
    background: var(--color-accent-light);
}

.waitlist-banner__dismiss {
    background: none;
    border: none;
    color: rgba(255,255,255,0.7);
    font-size: 1.25rem;
    line-height: 1;
    cursor: pointer;
    padding: 4px 8px;
    border-radius: var(--radius);
    transition: color 0.2s;
    margin-left: 8px;
    flex-shrink: 0;
}

.waitlist-banner__dismiss:hover {
    color: #fff;
}

/* ========================================
   WAITLIST MODAL
   ======================================== */

.waitlist-backdrop {
    position: fixed;
    inset: 0;
    z-index: 1000;
    background: rgba(15,36,57,0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    opacity: 0;
    transition: opacity 0.2s ease;
}

/* Ensure the HTML `hidden` attribute actually hides the backdrop.
   Without this, the CSS `display: flex` above overrides `hidden`,
   leaving an invisible but pointer-event-intercepting overlay. */
.waitlist-backdrop[hidden] {
    display: none;
}

.waitlist-backdrop--visible {
    opacity: 1;
}

@media (prefers-reduced-motion: reduce) {
    .waitlist-backdrop,
    .waitlist-dialog {
        transition: none;
    }
}

.waitlist-dialog {
    position: relative;
    z-index: 1001;
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 40px 36px 36px;
    width: 100%;
    max-width: 480px;
    box-shadow: var(--shadow-lg);
    transform: translateY(16px);
    transition: transform 0.2s ease;
}

.waitlist-backdrop--visible .waitlist-dialog {
    transform: translateY(0);
}

.waitlist-dialog__close {
    position: absolute;
    top: 16px;
    right: 16px;
    background: none;
    border: none;
    font-size: 1.4rem;
    line-height: 1;
    color: var(--color-text-light);
    cursor: pointer;
    padding: 4px 8px;
    border-radius: var(--radius);
    transition: color 0.2s;
}

.waitlist-dialog__close:hover {
    color: var(--color-text);
}

.waitlist-dialog__heading {
    font-family: var(--font-serif);
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 8px;
}

.waitlist-dialog__sub {
    font-size: 0.95rem;
    color: var(--color-text-light);
    margin-bottom: 28px;
}

.waitlist-dialog .form-group {
    margin-bottom: 16px;
}

.waitlist-dialog .form-group label {
    display: block;
    font-size: 0.88rem;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--color-text);
}

.waitlist-dialog .form-group input {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-family: var(--font-sans);
    font-size: 0.95rem;
    transition: border-color 0.2s;
    background: #fff;
    color: var(--color-text);
}

.waitlist-dialog .form-group input:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(46,125,111,0.12);
}

.waitlist-turnstile {
    margin: 16px 0;
}

.waitlist-submit {
    width: 100%;
    background: var(--color-accent);
    color: #fff;
    border: none;
    border-radius: var(--radius);
    padding: 14px 28px;
    font-family: var(--font-sans);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
    margin-top: 8px;
}

.waitlist-submit:hover:not(:disabled) {
    background: var(--color-accent-light);
}

.waitlist-submit:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.waitlist-message {
    margin-top: 12px;
    font-size: 0.92rem;
    padding: 10px 14px;
    border-radius: var(--radius);
    display: none;
}

.waitlist-message--success {
    background: rgba(46,125,111,0.1);
    color: var(--color-accent);
    display: block;
}

.waitlist-message--error {
    background: rgba(220,38,38,0.08);
    color: #dc2626;
    display: block;
}

/* ========================================
   RESPONSIVE
   ======================================== */

@media (max-width: 900px) {
    .hero__inner {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .hero h1 {
        font-size: 2.5rem;
    }
    .problems,
    .features,
    .pricing {
        grid-template-columns: 1fr;
        max-width: 480px;
        margin-left: auto;
        margin-right: auto;
    }
    .flow-step__arrow {
        display: none;
    }
    .solution-flow {
        flex-direction: column;
        align-items: center;
    }
    .flow-step {
        max-width: 100%;
    }
}

@media (max-width: 640px) {
    .section {
        padding: 64px 0;
    }
    .section__header h2 {
        font-size: 1.75rem;
    }
    .hero {
        padding: 110px 0 60px;
    }
    .hero h1 {
        font-size: 2rem;
    }
    .hero__sub {
        font-size: 1.05rem;
    }
    .nav__links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: #fff;
        flex-direction: column;
        padding: 24px;
        gap: 16px;
        border-bottom: 1px solid var(--color-border);
        box-shadow: var(--shadow-lg);
    }
    .nav__links--open {
        display: flex;
    }
    .nav__toggle {
        display: flex;
    }
    .pricing-card {
        padding: 28px 20px;
    }
    .waitlist-banner {
        gap: 10px;
        padding: 0 16px;
    }
    .waitlist-banner__text {
        font-size: 0.85rem;
    }
    .waitlist-banner__cta {
        padding: 7px 14px;
        font-size: 0.82rem;
    }
    .waitlist-dialog {
        padding: 32px 24px 28px;
    }
}