/* ==================
   GLOBAL STYLES
   ================== */
:root {
    --font-main: 'Inter', sans-serif;
    --font-headings: 'Space Grotesk', sans-serif;

    --color-bg: #111827;
    --color-surface: #1F2937;
    --color-text: #F9FAFB;
    --color-text-muted: #9CA3AF;
    --color-accent: #8B5CF6;

    --container-width: 1140px;
    --container-padding: 1rem;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    background-color: var(--color-bg);
    color: var(--color-text);
    font-size: 16px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: var(--container-width);
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--container-padding);
    padding-right: var(--container-padding);
}

a {
    color: inherit;
    text-decoration: none;
    transition: color 0.2s ease-in-out;
}

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

ul {
    list-style: none;
}

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

h1, h2, h3 {
    font-family: var(--font-headings);
    font-weight: 500;
}

/* ==================
   HEADER
   ================== */
.header {
    padding: 1.5rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
    background-color: rgba(17, 24, 39, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-surface);
}

.header__container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header__logo {
    font-family: var(--font-headings);
    font-size: 1.5rem;
    font-weight: 700;
}

.header__logo:hover {
    color: inherit;
}

.header__nav-list {
    display: flex;
    gap: 2rem;
}

.header__nav-link {
    font-size: 1rem;
    font-weight: 500;
    position: relative;
    padding-bottom: 0.25rem;
}

.header__nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-accent);
    transition: width 0.3s ease;
}

.header__nav-link:hover::after {
    width: 100%;
}

.header__menu-button {
    display: none;
    background: none;
    border: none;
    color: var(--color-text);
    cursor: pointer;
}

/* Header - Mobile */
@media (max-width: 768px) {
    .header__nav {
        display: none; /* Will be implemented with JS later */
    }
    .header__menu-button {
        display: block;
    }
}

/* ==================
   FOOTER
   ================== */
.footer {
    background-color: var(--color-surface);
    padding: 4rem 0;
    margin-top: 5rem; /* For visual separation, can be adjusted */
}

.footer__container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 2rem;
}

.footer__logo {
    font-family: var(--font-headings);
    font-size: 1.75rem;
    font-weight: 700;
    display: inline-block;
    margin-bottom: 1rem;
}

.footer__copyright {
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

.footer__title {
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
}

.footer__list li {
    margin-bottom: 0.75rem;
}

.footer__link {
    color: var(--color-text-muted);
}

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

.footer__list--contacts .footer__link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.footer__icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.footer__address {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    color: var(--color-text-muted);
}

/* ==================
   HERO SECTION
   ================== */
.hero {
    position: relative;
    min-height: 90vh;
    display: flex;
    align-items: center;
    padding: 5rem 0;
    overflow: hidden;
}

.hero__canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.hero__container {
    position: relative;
    z-index: 2;
}

.hero__content {
    max-width: 600px;
}

.hero__title {
    font-size: clamp(2.5rem, 5vw, 4rem); /* Responsive font size */
    line-height: 1.1;
    margin-bottom: 1.5rem;
    font-weight: 700;
}

.hero__subtitle {
    font-size: 1.125rem;
    color: var(--color-text-muted);
    margin-bottom: 2.5rem;
    max-width: 500px;
}

.hero__cta {
    display: inline-block;
    background-color: var(--color-accent);
    color: var(--color-text);
    padding: 0.875rem 2.5rem;
    border-radius: 6px;
    font-weight: 500;
    font-size: 1rem;
    transition: transform 0.2s ease-in-out, box-shadow 0.2s ease-in-out;
}

.hero__cta:hover {
    color: var(--color-text);
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(139, 92, 246, 0.2);
}

/* Hero - Desktop */
@media (min-width: 768px) {
    .hero {
        min-height: calc(100vh - 80px); /* Full height minus header */
    }
}

/* ==================
   SHARED STYLES (can be reused)
   ================== */
.section-title {
    font-size: clamp(2rem, 4vw, 2.5rem);
    text-align: center;
    margin-bottom: 3.5rem;
}


/* ==================
   CASES SECTION
   ================== */
.cases {
    padding: 5rem 0;
}

.cases__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.case-card {
    background-color: var(--color-surface);
    border-radius: 12px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    border: 1px solid transparent;
    transition: transform 0.3s ease, border-color 0.3s ease;
}

.case-card:hover {
    transform: translateY(-8px);
    border-color: var(--color-accent);
}

.case-card__image-wrapper {
    width: 100%;
    aspect-ratio: 16 / 9;
    background-color: #374151; /* Placeholder bg */
}

.case-card__image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.case-card__content {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.case-card__tag {
    display: inline-block;
    align-self: flex-start;
    background-color: rgba(139, 92, 246, 0.1);
    color: var(--color-accent);
    padding: 0.25rem 0.75rem;
    border-radius: 99px;
    font-size: 0.8rem;
    font-weight: 500;
    margin-bottom: 1rem;
}

.case-card__title {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

.case-card__description {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.case-card__tech-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.case-card__tech-item {
    font-size: 0.8rem;
    background-color: #374151; /* A bit lighter gray */
    padding: 0.2rem 0.6rem;
    border-radius: 4px;
    color: var(--color-text-muted);
}

/* Cases - Responsive */
@media (max-width: 992px) {
    .cases__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .cases {
        padding: 4rem 0;
    }
    .cases__grid {
        grid-template-columns: 1fr;
    }
}

/* ==================
   TECH SECTION
   ================== */
.tech {
    padding: 5rem 0;
    background-color: var(--color-surface);
}

.tech__grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 1.5rem;
    max-width: 900px;
    margin: 0 auto;
}

.tech-item {
    background-color: var(--color-bg);
    border: 1px solid #374151;
    border-radius: 12px;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    aspect-ratio: 1 / 1;
    transition: transform 0.2s ease, border-color 0.2s ease;
}

.tech-item:hover {
    transform: translateY(-5px);
    border-color: var(--color-accent);
}

.tech-item__icon {
    width: 48px;
    height: 48px;
    color: var(--color-accent);
    margin-bottom: 1rem;
}

.tech-item__name {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text-muted);
}

/* Tech - Responsive */
@media (max-width: 768px) {
    .tech {
        padding: 4rem 0;
    }
    .tech__grid {
        grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
        gap: 1rem;
    }
    .tech-item {
        padding: 1rem;
    }
    .tech-item__icon {
        width: 36px;
        height: 36px;
    }
}

/* ==================
   PROCESS SECTION
   ================== */
.process {
    padding: 5rem 0;
}

.process__timeline {
    position: relative;
    max-width: 700px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

/* The vertical line */
.process__timeline::after {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background-color: var(--color-surface);
    transform: translateX(-50%);
    z-index: -1;
}

.process-step {
    display: flex;
    align-items: center;
    gap: 2rem;
    width: 50%;
    position: relative;
}

/* Position steps on alternating sides */
.process-step:nth-child(odd) {
    align-self: flex-start;
    padding-right: 2rem; /* Space from the center line */
}

.process-step:nth-child(even) {
    align-self: flex-end;
    flex-direction: row-reverse;
    padding-left: 2rem; /* Space from the center line */
}

.process-step__number {
    font-family: var(--font-headings);
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-surface);
}

.process-step__content {
    background-color: var(--color-surface);
    padding: 1.5rem;
    border-radius: 8px;
    border-left: 3px solid var(--color-accent);
}

.process-step:nth-child(even) .process-step__content {
    border-left: none;
    border-right: 3px solid var(--color-accent);
}

.process-step__title {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.process-step__description {
    font-size: 0.95rem;
    color: var(--color-text-muted);
}

/* Process - Responsive */
@media (max-width: 768px) {
    .process__timeline::after {
        left: 25px;
    }

    .process-step,
    .process-step:nth-child(even) {
        width: 100%;
        align-self: flex-start;
        flex-direction: row;
        padding-left: 50px; /* Space from the center line */
        padding-right: 0;
        gap: 1rem;
    }

    .process-step__number {
        position: absolute;
        left: 0;
        top: 50%;
        transform: translateY(-50%);
        font-size: 2rem;
        color: var(--color-text-muted);
        background-color: var(--color-bg);
        padding: 0 0.5rem;
    }
     .process-step__content,
    .process-step:nth-child(even) .process-step__content {
        border-left: 3px solid var(--color-accent);
        border-right: none;
    }
}

/* ==================
   SHARED STYLES (Update)
   ================== */
.section-subtitle {
    max-width: 600px;
    margin: 0 auto 3.5rem auto;
    text-align: center;
    color: var(--color-text-muted);
    font-size: 1.125rem;
}

.button {
    display: inline-block;
    padding: 0.75rem 2rem;
    border-radius: 6px;
    font-weight: 500;
    font-size: 1rem;
    text-align: center;
    transition: all 0.2s ease-in-out;
}

.button--outline {
    border: 1px solid var(--color-surface);
    color: var(--color-text-muted);
    background-color: transparent;
}

.button--outline:hover {
    background-color: var(--color-surface);
    color: var(--color-text);
}


/* ==================
   BLOG SECTION
   ================== */
.blog {
    padding: 5rem 0;
    background-color: var(--color-surface);
}

.blog__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.blog-card {
    background-color: var(--color-bg);
    border-radius: 12px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: transform 0.3s ease;
}

.blog-card:hover {
    transform: translateY(-8px);
}

.blog-card__image-link {
    display: block;
    aspect-ratio: 16 / 9;
    background-color: #374151;
}

.blog-card__image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.blog-card__content {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.blog-card__meta {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.blog-card__tag {
    color: var(--color-accent);
    font-size: 0.8rem;
    font-weight: 500;
}

.blog-card__date {
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

.blog-card__title a {
    font-family: var(--font-headings);
    font-size: 1.25rem;
    line-height: 1.4;
    color: var(--color-text);
}

.blog-card__title a:hover {
    color: var(--color-accent);
}

.blog-card__excerpt {
    margin-top: 0.75rem;
    color: var(--color-text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
    flex-grow: 1;
}

.blog-card__author {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--color-surface);
}

.blog-card__author-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
    background-color: #4b5563; /* Placeholder bg */
}

.blog-card__author-name {
    font-size: 0.9rem;
    font-weight: 500;
}

.blog__cta-wrapper {
    margin-top: 3.5rem;
    text-align: center;
}

/* Blog - Responsive */
@media (max-width: 992px) {
    .blog__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .blog {
        padding: 4rem 0;
    }
    .blog__grid {
        grid-template-columns: 1fr;
    }
}

/* ==================
   SHARED STYLES (Update)
   ================== */
.button--primary {
    background-color: var(--color-accent);
    color: var(--color-text);
    border: 1px solid var(--color-accent);
    width: 100%;
}

.button--primary:hover {
    background-color: #7c4ee6; /* Slightly lighter accent */
    border-color: #7c4ee6;
    color: var(--color-text);
}


/* ==================
   CONTACT SECTION
   ================== */
.contact {
    padding: 5rem 0;
}

.contact__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.contact__title {
    text-align: left;
    margin-bottom: 1.5rem;
}

.contact__description {
    font-size: 1.1rem;
    color: var(--color-text-muted);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-label {
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

.form-input {
    width: 100%;
    background-color: var(--color-surface);
    border: 1px solid #374151;
    border-radius: 6px;
    padding: 0.8rem 1rem;
    color: var(--color-text);
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-input:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.2);
}

.form-input.invalid {
    border-color: #ef4444;
}

.form-group--checkbox {
    flex-direction: row;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.9rem;
}

.form-group--checkbox label {
    color: var(--color-text-muted);
}

.form-group--checkbox a {
    color: var(--color-accent);
    text-decoration: underline;
}
.form-group--checkbox a:hover {
    text-decoration: none;
}

.form-group--checkbox input[type="checkbox"] {
    appearance: none;
    width: 20px;
    height: 20px;
    background-color: var(--color-surface);
    border: 1px solid #374151;
    border-radius: 4px;
    cursor: pointer;
    position: relative;
    flex-shrink: 0;
}
.form-group--checkbox input[type="checkbox"]:checked {
    background-color: var(--color-accent);
    border-color: var(--color-accent);
}
.form-group--checkbox input[type="checkbox"]:checked::after {
    content: '✔';
    position: absolute;
    color: white;
    font-size: 14px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.form-success {
    background-color: var(--color-surface);
    padding: 2rem;
    border-radius: 8px;
    text-align: center;
    border-left: 4px solid #34d399; /* Green accent */
}

/* Contact - Responsive */
@media (max-width: 992px) {
    .contact__grid {
        grid-template-columns: 1fr;
    }
    .contact__info {
        text-align: center;
    }
    .contact__title {
        text-align: center;
    }
}

/* ==================
   COOKIE POPUP
   ================== */
.cookie-popup {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: var(--color-surface);
    padding: 1.5rem;
    z-index: 200;
    border-top: 1px solid #374151;
    transform: translateY(100%);
    transition: transform 0.5s ease-in-out;
}

.cookie-popup.show {
    transform: translateY(0);
}

.cookie-popup__content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: var(--container-width);
    margin: 0 auto;
    gap: 1.5rem;
}

.cookie-popup__text {
    color: var(--color-text-muted);
}

.cookie-popup__text a {
    color: var(--color-accent);
    text-decoration: underline;
}

.cookie-popup__button {
    width: auto;
    flex-shrink: 0;
    padding: 0.6rem 1.5rem;
}

@media (max-width: 768px) {
    .cookie-popup__content {
        flex-direction: column;
        text-align: center;
    }
}


/* ==================
   POLICY & TEXT PAGES
   ================== */
.pages .container {
    max-width: 800px; /* Limit line length for readability */
    padding-top: 4rem;
    padding-bottom: 4rem;
}

.pages h1,
.pages h2 {
    font-family: var(--font-headings);
    color: var(--color-text);
    margin-bottom: 1rem;
}

.pages h1 {
    font-size: 2.5rem;
    margin-bottom: 2rem;
}

.pages h2 {
    font-size: 1.75rem;
    margin-top: 2.5rem;
}

.pages p {
    font-size: 1.1rem;
    line-height: 1.7;
    color: var(--color-text-muted);
    margin-bottom: 1.5rem;
}

.pages ul {
    list-style: disc;
    padding-left: 25px;
    margin-bottom: 1.5rem;
}

.pages li {
    font-size: 1.1rem;
    color: var(--color-text-muted);
    margin-bottom: 0.75rem;
}

.pages a {
    color: var(--color-accent);
    text-decoration: underline;
}

.pages a:hover {
    text-decoration: none;
}

.pages strong {
    color: var(--color-text);
    font-weight: 500;
}