:root {
    --color-bg: #fafafa;
    --color-text: #181818;
    --color-primary: #2e8b57;
    --color-accent: #ff9800;
    --color-section: #fff;
    --color-footer: #f0f0f0;
    --transition: 0.3s cubic-bezier(.4, 0, .2, 1);
    --font-main: 'Inter', Arial, sans-serif;
}

[data-theme="dark"] {
    --color-bg: #181818;
    --color-text: #fafafa;
    --color-section: #232323;
    --color-footer: #1a1a1a;
}

html {
    box-sizing: border-box;
    font-size: 16px;
    scroll-behavior: smooth;
}

*,
*:before,
*:after {
    box-sizing: inherit;
}

body {
    margin: 0;
    font-family: var(--font-main);
    background: var(--color-bg);
    color: var(--color-text);
    transition: background var(--transition), color var(--transition);
}

header,
section,
footer {
    padding: 1rem 1rem;
    margin: 0 auto;
    max-width: 480px;
    background: var(--color-section);
    border-radius: 1.2rem;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
    margin-bottom: 1.5rem;
    opacity: 0;
    transform: translateY(40px);
    animation: fadeInUp 1s var(--transition) forwards;
}

header {
    margin-top: 1.5rem;
}

footer {
    background: var(--color-footer);
    text-align: center;
    font-size: 0.95rem;
    margin-bottom: 0;
}

#problem-solution,
#features,
#how-it-works,
#for-photographers,
#newsletter {
    padding: 1rem 1rem;
    margin: 0 auto 1.5rem auto;
    max-width: 480px;
    background: var(--color-section);
    border-radius: 1.2rem;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
    opacity: 0;
    transform: translateY(40px);
    animation: fadeInUp 1s var(--transition) forwards;
}

#problem-solution ul,
#features ul,
#how-it-works ul,
#for-photographers ul,
#newsletter ul {
    list-style: none;
    padding-left: 0;
    margin: 0.5em 0 1.2em 0;
}

#problem-solution ul li {
    position: relative;
    padding-left: 2em;
    margin-bottom: 0.7em;
}

#problem-solution ul li:before {
    content: '😬';
    position: absolute;
    left: 0;
    top: 0.1em;
    font-size: 1.2em;
    line-height: 1;
}

#theme-toggle,
#lang-toggle {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    z-index: 100;
    background: var(--color-section);
    color: var(--color-text);
    border: none;
    border-radius: 50%;
    width: 52px;
    height: 52px;
    font-size: 1.4rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    cursor: pointer;
    transition: background var(--transition), color var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
}

#lang-toggle {
    right: 5.5rem;
}

#hero {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

#hero h1,
#hero p,
#hero button,
#hero .mockup {
    margin-left: auto;
    margin-right: auto;
}

#hero .mockup {
    margin-top: 2rem;
}

.mockup {
    width: 100%;
    height: 220px;
    background: linear-gradient(135deg, var(--color-primary) 60%, var(--color-accent) 100%);
    border-radius: 1.2rem;
    margin: 1.5rem 0 0.5rem 0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.2rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    box-shadow: 0 4px 24px rgba(46, 139, 87, 0.10);
    position: relative;
}

#cta-main,
#newsletter form button {
    background: var(--color-primary);
    color: #fff;
    border: none;
    border-radius: 2rem;
    padding: 0.8em 2em;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    margin: 1rem 0 0.5rem 0;
    box-shadow: 0 2px 8px rgba(46, 139, 87, 0.08);
    transition: background var(--transition), color var(--transition), box-shadow var(--transition);
    display: block;
    margin-left: auto;
    margin-right: auto;
}

#cta-main:hover,
#newsletter form button:hover {
    background: var(--color-accent);
    color: #181818;
}

#footer-cta {
    background: var(--color-primary);
    color: #fff;
    border: none;
    border-radius: 2rem;
    padding: 0.5em 1.2em;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    margin: 1rem 0 1rem 0;
    box-shadow: 0 2px 8px rgba(46, 139, 87, 0.08);
    transition: background var(--transition), color var(--transition), box-shadow var(--transition);
    display: block;
    margin-left: auto;
    margin-right: auto;
}

#footer-cta:hover {
    background: var(--color-accent);
    color: #181818;
}

input,
label {
    display: block;
    width: 100%;
    margin-bottom: 0.8rem;
    font-size: 1rem;
}

input[type="text"],
input[type="email"] {
    padding: 0.7em 1em;
    border: 1.5px solid #ddd;
    border-radius: 1.2rem;
    background: #fff;
    color: #181818;
    margin-bottom: 1rem;
    transition: border var(--transition);
}

[data-theme="dark"] input[type="text"],
[data-theme="dark"] input[type="email"] {
    background: #232323;
    color: #fafafa;
    border: 1.5px solid #444;
}

input:focus {
    border-color: var(--color-primary);
    outline: none;
}

label {
    font-size: 0.98rem;
    color: var(--color-text);
    margin-bottom: 0.3rem;
    font-weight: 500;
}

form .info {
    font-size: 0.75rem;
    color: var(--color-accent);
    margin-top: 1.0rem;
    margin-bottom: 0.5rem;
}

ul,
ol {
    padding-left: 1.2em;
    margin: 0.5em 0 1.2em 0;
}

ul li,
ol li {
    margin-bottom: 0.5em;
    font-size: 1.05rem;
    line-height: 1.5;
}

h1,
h2,
h3 {
    color: var(--color-primary);
    margin-bottom: 0.5em;
    font-weight: 700;
    letter-spacing: 0.01em;
    text-align: center;
}

h1 {
    font-size: 2.1rem;
}

h2 {
    font-size: 1.4rem;
}

h3 {
    font-size: 1.1rem;
    color: var(--color-accent);
}

p {
    font-size: 1.08rem;
    margin-bottom: 1.2em;
    color: var(--color-text);
}

.icon-li {
    display: flex;
    align-items: center;
    gap: 0.7em;
    margin-bottom: 0.7em;
}

.icon-li span {
    display: inline-block;
    vertical-align: middle;
}

#how-it-works ul,
.icon-li {
    list-style: none;
    padding-left: 0;
}

#how-it-works ul li {
    margin-left: 0;
}

#for-photographers ul {
    list-style: none;
    padding-left: 0;
    margin: 0.5em 0 1.2em 0;
}

#newsletter form button {
    display: block;
    margin: 1rem auto 0.5rem auto;
}

#newsletter form label {
    display: flex;
    align-items: center;
    gap: 0.5em;
    font-size: 0.98rem;
    color: var(--color-text);
    margin-bottom: 0.3rem;
    font-weight: 500;
}

#newsletter form input[type="checkbox"] {
    width: 1.1em;
    height: 1.1em;
    margin: 0;
}

#footer a {
    color: var(--color-text);
    text-decoration: underline;
    transition: color var(--transition);
}

#footer a:hover {
    color: var(--color-accent);
}

#mvp-section {
    padding: 1rem 1rem;
    margin: 0 auto 1.5rem auto;
    max-width: 480px;
    background: var(--color-section);
    border-radius: 1.2rem;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
    opacity: 0;
    transform: translateY(40px);
    animation: fadeInUp 1s var(--transition) forwards;
}

@media (min-width: 600px) {
    #mvp-section {
        max-width: 600px;
    }
}

#mvp-section ul {
    list-style: disc inside;
    padding-left: 0;
    margin: 0.5em 0 1.2em 0;
}

#mvp-section li {
    margin-bottom: 0.7em;
    font-size: 1.05rem;
    line-height: 1.5;
    display: list-item;
    align-items: center;
    gap: 0.7em;
}

#mvp-section h2 {
    text-align: center;
}

#mvp-section h3 {
    text-align: left;
}

#mvp-section ul ul {
    list-style: circle inside;
    padding-left: 1.5em;
    margin: 0.3em 0 0.5em 0;
}

#mvp-section ul ul li {
    margin-bottom: 0.3em;
    font-size: 0.95rem;
}

.captcha {
    margin: 1rem 0;
}

.captcha label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.98rem;
    color: var(--color-text);
    font-weight: 500;
}

.captcha input[type="number"] {
    padding: 0.7em 1em;
    border: 1.5px solid #ddd;
    border-radius: 1.2rem;
    background: #fff;
    color: #181818;
    width: 100%;
    font-size: 1rem;
    transition: border var(--transition);
}

[data-theme="dark"] .captcha input[type="number"] {
    background: #232323;
    color: #fafafa;
    border: 1.5px solid #444;
}

.captcha input[type="number"]:focus {
    border-color: var(--color-primary);
    outline: none;
}

@media (min-width: 600px) {

    #problem-solution,
    #features,
    #how-it-works,
    #for-photographers,
    #newsletter,
    header,
    section,
    footer {
        max-width: 600px;
    }
}

@media (max-width: 400px) {

    header,
    section,
    footer {
        padding: 1.2rem 0.3rem;
    }

    .mockup {
        height: 120px;
        font-size: 0.9rem;
    }

    button,
    input[type="submit"] {
        font-size: 1rem;
        padding: 0.7em 1.2em;
    }
}

@media (max-width: 500px) {

    #problem-solution,
    #features,
    #how-it-works,
    #for-photographers,
    #newsletter,
    header,
    section,
    footer {
        padding-left: 1rem !important;
        padding-right: 1rem !important;
    }
}

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: none;
    }
}

/* Screens mockup podium effect */
.screens-mockup {
    position: relative;
    width: 100%;
    height: 240px;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    margin: 2rem 0 1rem 0;
}

.screen-img {
    position: absolute;
    width: 140px;
    height: 240px;
    object-fit: cover;
    border-radius: 1.2rem;
    box-shadow: 0 8px 32px rgba(46, 139, 87, 0.18), 0 2px 8px rgba(0, 0, 0, 0.10);
    transition: transform 0.6s cubic-bezier(.4, 0, .2, 1), box-shadow 0.4s;
    background: #fff;
    z-index: 1;
    opacity: 0.98;
}

.screen-center {
    left: 50%;
    transform: translateX(-50%) scale(1.08);
    z-index: 3;
    box-shadow: 0 12px 36px rgba(46, 139, 87, 0.22), 0 4px 16px rgba(0, 0, 0, 0.12);
}

.screen-left {
    left: 18%;
    transform: translateY(24px) rotate(-13deg) scale(0.93);
    z-index: 2;
    opacity: 0.92;
}

.screen-right {
    right: 18%;
    transform: translateY(24px) rotate(13deg) scale(0.93);
    z-index: 2;
    opacity: 0.92;
}

@media (max-width: 600px) {
    .screens-mockup {
        height: 140px;
    }

    .screen-img {
        width: 80px;
        height: 140px;
    }
}

.mockup:after {
    display: none;
}