/* ===== Custom Properties ===== */
:root {
    --c-dark: #1a191d;
    --c-text: #1a191d;
    --c-text-muted: #666;
    --c-bg: #fff;
    --c-bg-alt: #f7f7f7;
    --c-border: #e0e0e0;
    --c-accent-1: #0bbafe;
    --c-accent-2: #5f3de8;
    --c-grid: rgba(0, 0, 0, 0.055);
    --font-bold: 'Apex-Bold', sans-serif;
    --font-regular: 'Apex-Regular', sans-serif;
    --font-light: 'Apex-Light', sans-serif;
    --container-max: 1440px;
    --container-pad: 120px;
    --header-h: 72px;
}

/* ===== Font Faces ===== */
@font-face {
    font-family: 'Apex-Bold';
    src: url('./fonts/Apex-Bold-Ext.otf') format('opentype');
    font-display: swap;
}
@font-face {
    font-family: 'Apex-Light';
    src: url('./fonts/Apex-Light-Cond.otf') format('opentype');
    font-display: swap;
}
@font-face {
    font-family: 'Apex-Regular';
    src: url('./fonts/Apex-Regular.otf') format('opentype');
    font-display: swap;
}

/* ===== Reset ===== */
*, *::before, *::after { box-sizing: border-box; }

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    margin: 0;
    padding: 0;
    font-family: var(--font-regular);
    color: var(--c-text);
    background: var(--c-bg);
    overflow-x: hidden;
    line-height: 1.6;
}

body.no-scroll {
    overflow: hidden;
    padding-right: var(--scrollbar-width, 0px);
}

body.no-scroll .header {
    padding-right: var(--scrollbar-width, 0px);
}

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

a { color: inherit; }

h1, h2, h3, h4 { margin: 0; }
p { margin: 0; }
ul { list-style: none; padding: 0; margin: 0; }

.container {
    max-width: var(--container-max);
    padding: 0 var(--container-pad);
    margin: 0 auto;
    width: 100%;
}

/* ===== Grid Overlay ===== */
.grid-overlay {
    position: fixed;
    inset: 0;
    z-index: 1;
    pointer-events: none;
}

.grid-line {
    position: absolute;
    top: 0;
    bottom: 0;
    width: 1px;
    background: var(--c-grid);
}

/* ===== Animations ===== */
@keyframes slideUp {
    from { opacity: 0; transform: translateY(50px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to   { opacity: 1; }
}

@keyframes lineGrow {
    from { width: 0; }
    to   { width: 56px; }
}

@keyframes shimmer {
    0%   { background-position: -200% center; }
    100% { background-position: 200% center; }
}

.anim-up {
    opacity: 0;
    animation: slideUp 0.9s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}
.anim-d1 { animation-delay: 0.15s; }
.anim-d2 { animation-delay: 0.3s; }
.anim-d3 { animation-delay: 0.5s; }
.anim-d4 { animation-delay: 0.7s; }
.anim-d5 { animation-delay: 0.9s; }

.anim-fade {
    opacity: 0;
    animation: fadeIn 1.2s ease 0.4s forwards;
}

/* Scroll reveal */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 1.4s cubic-bezier(0.16, 1, 0.3, 1),
                transform 1.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.revealed {
    opacity: 1;
    transform: translateY(0);
    transition: none;
}

/* ===== Header ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    height: var(--header-h);
    transition: background 0.3s, box-shadow 0.3s, transform 0.3s;
}

.header--scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 var(--c-border);
}

.header--hidden {
    transform: translateY(-100%);
}

.header_inner {
    display: flex;
    align-items: center;
    height: 100%;
    gap: 40px;
}

.main_logo {
    text-decoration: none;
    display: flex;
    align-items: center;
    position: relative;
    z-index: 101;
}

.logo_img {
    height: 24px;
    width: auto;
    display: block;
}

.nav {
    display: flex;
    align-items: center;
    gap: 32px;
    margin-left: auto;
}

.nav_link {
    font-family: var(--font-regular);
    font-size: 13px;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    text-decoration: none;
    color: var(--c-text-muted);
    position: relative;
    transition: color 0.3s;
}

.nav_link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--c-dark);
    transition: width 0.3s;
}

.nav_link:hover {
    color: var(--c-dark);
}

.nav_link:hover::after {
    width: 100%;
}

/* ===== Buttons ===== */
.btn {
    display: inline-block;
    font-family: var(--font-bold);
    font-size: 12px;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    text-decoration: none;
    padding: 15px 36px;
    border: 1.5px solid var(--c-dark);
    color: var(--c-dark);
    background: transparent;
    cursor: pointer;
    transition: background 0.4s, color 0.4s, border-color 0.4s;
    position: relative;
    overflow: hidden;
    z-index: 2;
}

.btn::before {
    content: '';
    position: absolute;
    inset: -1.5px;
    background: linear-gradient(90deg, #0BBAFE 0%, #5F3DE8 64.41%);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1);
    z-index: -1;
}

.btn:hover {
    color: #fff;
    border-color: transparent;
}

.btn:hover::before {
    transform: scaleX(1);
}

.btn--sm {
    padding: 10px 24px;
    font-size: 11px;
}

.btn--header {
    margin-left: 16px;
}

/* ===== Mobile Nav Toggle ===== */
.nav_toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 6px;
    width: 28px;
    height: 28px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    position: relative;
    z-index: 101;
}

.nav_toggle span {
    display: block;
    width: 100%;
    height: 1.5px;
    background: var(--c-dark);
    transition: transform 0.3s, opacity 0.3s;
}

.nav_toggle--active span:first-child {
    transform: translateY(3.75px) rotate(45deg);
}

.nav_toggle--active span:last-child {
    transform: translateY(-3.75px) rotate(-45deg);
}

/* ===== Hero ===== */
.hero {
    position: relative;
    z-index: 2;
    overflow: hidden;
}

.hero_inner {
    position: relative;
    padding-top: calc(var(--header-h) + 30px);
    padding-bottom: 30px;
    min-height: calc(var(--header-h) + 571px + 60px);
}

.hero_content {
    max-width: 560px;
    margin-top: 195px;
    position: relative;
    z-index: 3;
}

.hero_title {
    font-family: var(--font-bold);
    font-size: 48px;
    line-height: 1.2;
    color: var(--c-dark);
    margin-bottom: 15px;
    text-transform: uppercase;
}

.hero_title span {
    display: block;
}

.hero_subtitle {
    font-family: var(--font-regular);
    font-size: 18px;
    line-height: 1.1;
    color: var(--c-text);
    opacity: 0.6;
    margin-bottom: 36px;
    max-width: 480px;
    letter-spacing: 0.4px;
}

.hero_image {
    position: absolute;
    left: 39.5%;
    right: var(--container-pad);
    top: calc(var(--header-h) + 30px);
    height: 571px;
    overflow: hidden;
    will-change: transform;
}

.hero_image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center 40%;
}

/* ===== Fixed Page Counter ===== */
.page_counter {
    position: fixed;
    right: 60px;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: 24px;
    z-index: 50;
}

.counter_item {
    font-family: var(--font-regular);
    font-size: 24px;
    color: var(--c-dark);
    opacity: 0.5;
    display: flex;
    align-items: center;
    gap: 10px;
    transition: opacity 0.3s, font-size 0.3s;
    cursor: pointer;
}

.counter_item--active {
    font-size: 32px;
    opacity: 1;
}

.counter_line {
    display: inline-block;
    width: 20px;
    height: 1.5px;
    background: var(--c-dark);
    transition: width 0.3s;
}

.counter_item--active .counter_line {
    width: 24px;
}

/* ===== Section Base ===== */
.section {
    padding: 80px 0;
    position: relative;
    z-index: 2;
}

.section--alt {
    background: var(--c-bg-alt);
}

.section--dark {
    background: var(--c-dark);
}

.section_header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 60px;
    margin-bottom: 72px;
}

.section_header_left {
    flex-shrink: 0;
}

.section_line {
    width: 83px;
    height: 2px;
    background: var(--c-dark);
    margin-bottom: 13px;
}

.section_line--light {
    background: #fff;
}

.section_title {
    font-family: var(--font-regular);
    font-size: 24px;
    letter-spacing: 0.4px;
    text-transform: uppercase;
}

.section_title--light {
    color: #fff;
}

.section_header_right {
    font-family: var(--font-regular);
    font-size: 18px;
    line-height: 1.0;
    color: var(--c-text);
    max-width: 422px;
    letter-spacing: 0.4px;
    padding-top: 0;
}

.section_header_right--wide {
    max-width: 560px;
}

.section_header_right--light {
    color: rgba(255, 255, 255, 0.6);
}

/* ===== Services Stagger ===== */
.services_stagger {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 28px;
    align-items: start;
}

.scard {
    position: relative;
    background: var(--c-bg);
    color: var(--c-text);
    padding: 32px 24px;
    min-height: 340px;
    overflow: hidden;
    box-shadow: 1px 8px 24px rgba(0, 0, 0, 0.08);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1),
                box-shadow 0.4s cubic-bezier(0.22, 1, 0.36, 1),
                color 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}

.scard::after {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--c-dark);
    opacity: 0;
    transition: opacity 0.4s cubic-bezier(0.22, 1, 0.36, 1);
    z-index: 0;
}

.scard > * {
    position: relative;
    z-index: 1;
}

.scard:nth-child(1) { margin-top: 0; }
.scard:nth-child(2) { margin-top: 50px; }
.scard:nth-child(3) { margin-top: 100px; }
.scard:nth-child(4) { margin-top: 150px; }

.scard:hover {
    transform: translateY(-6px);
    box-shadow: 1px 12px 36px rgba(0, 0, 0, 0.14);
    color: #fff;
}

.scard:hover::after {
    opacity: 1;
}

.scard_watermark {
    position: absolute;
    top: -10px;
    right: -10px;
    font-family: var(--font-bold);
    font-size: 140px;
    line-height: 1;
    background: linear-gradient(90deg, #0BBAFE 0%, #5F3DE8 64.41%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    opacity: 0.06;
    pointer-events: none;
    user-select: none;
    letter-spacing: -4px;
    transition: opacity 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}

.scard:hover .scard_watermark {
    opacity: 0.9;
}

.scard_dot {
    width: 10px;
    height: 10px;
    background: var(--c-dark);
    margin-bottom: 14px;
    transition: background 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}

.scard:hover .scard_dot {
    background: #fff;
}

.scard_title {
    font-family: var(--font-bold);
    font-size: 17px;
    line-height: 1.35;
    margin-bottom: 16px;
    letter-spacing: 0.3px;
}

.scard_desc {
    font-family: var(--font-regular);
    font-size: 12px;
    line-height: 1.6;
    opacity: 0.7;
    letter-spacing: 0.3px;
}

/* ===== Process ===== */
.process_grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 48px;
}

.process_step {
    padding-top: 32px;
    border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.process_num {
    font-family: var(--font-bold);
    font-size: 42px;
    color: #fff;
    opacity: 0.15;
    display: block;
    margin-bottom: 24px;
    letter-spacing: -1px;
}

.process_name {
    font-family: var(--font-bold);
    font-size: 18px;
    color: #fff;
    margin-bottom: 14px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.process_desc {
    font-family: var(--font-regular);
    font-size: 14px;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.55);
    letter-spacing: 0.3px;
}

/* ===== Industries ===== */
.industries_list {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
}

.industries_list li {
    font-family: var(--font-regular);
    font-size: 14px;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    padding: 16px 32px;
    border: 1px solid var(--c-border);
    color: var(--c-text-muted);
    cursor: default;
    position: relative;
    overflow: hidden;
    background: var(--c-bg);
    transition: border-color 0.2s ease;
}

.industries_list li::after {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--c-dark);
    opacity: 0;
    transition: opacity 0.2s ease;
    z-index: 0;
}

.industries_list li span {
    position: relative;
    z-index: 1;
    transition: none;
}

.industries_list li:hover {
    border-color: var(--c-dark);
}

.industries_list li:hover::after {
    opacity: 1;
}

.industries_list li:hover span {
    background: linear-gradient(90deg, #0BBAFE 0%, #5F3DE8 64.41%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ===== Contact ===== */
.contact_wrapper {
    max-width: 680px;
}

.contact_form {
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.form_row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 28px;
}

.form_group {
    display: flex;
    flex-direction: column;
}

.form_group label {
    font-family: var(--font-bold);
    font-size: 11px;
    letter-spacing: 2.5px;
    text-transform: uppercase;
    color: var(--c-text-muted);
    margin-bottom: 10px;
}

.form_group input,
.form_group textarea {
    font-family: var(--font-regular);
    font-size: 15px;
    padding: 14px 0;
    border: none;
    border-bottom: 1px solid var(--c-border);
    background: transparent;
    color: var(--c-text);
    outline: none;
    transition: border-color 0.4s;
    resize: none;
}

.form_group input:focus,
.form_group textarea:focus {
    border-color: var(--c-dark);
}

.form_group textarea {
    min-height: 110px;
}

.form_group .required {
    color: #e05050;
}

.field_error {
    font-family: var(--font-regular);
    font-size: 12px;
    color: #e05050;
    min-height: 18px;
    margin-top: 6px;
    display: block;
}

.form_group input.invalid,
.form_group textarea.invalid {
    border-color: #e05050;
}

.contact_form .btn {
    align-self: flex-start;
    margin-top: 8px;
}

/* ===== Footer ===== */
.footer {
    padding: 80px 0 40px;
    border-top: 1px solid var(--c-border);
    position: relative;
    z-index: 2;
    background: var(--c-bg);
}

.footer_top {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 64px;
}

.footer_brand .main_logo {
    margin-bottom: 12px;
}

.footer_tagline {
    font-family: var(--font-regular);
    font-size: 13px;
    color: var(--c-text-muted);
    letter-spacing: 0.3px;
}

.footer_nav h4 {
    font-family: var(--font-bold);
    font-size: 11px;
    letter-spacing: 2.5px;
    text-transform: uppercase;
    color: var(--c-text-muted);
    margin-bottom: 20px;
}

.footer_nav ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer_nav a {
    font-family: var(--font-regular);
    font-size: 14px;
    color: var(--c-text-muted);
    text-decoration: none;
    transition: color 0.3s;
    letter-spacing: 0.3px;
}

.footer_nav a:hover {
    color: var(--c-dark);
}

.footer_bottom {
    padding-top: 32px;
    border-top: 1px solid var(--c-border);
}

.footer_copy {
    font-family: var(--font-regular);
    font-size: 13px;
    color: #999;
}

/* ===== Modal ===== */
.modal {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s;
}

.modal--open {
    opacity: 1;
    visibility: visible;
}

.modal_backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

.modal_content {
    position: relative;
    background: var(--c-bg);
    max-width: 640px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
    padding: 48px;
    transform: translateY(20px);
    transition: transform 0.3s;
}

.modal--open .modal_content {
    transform: translateY(0);
}

.modal_close {
    position: absolute;
    top: 20px;
    right: 24px;
    background: none;
    border: none;
    font-size: 28px;
    cursor: pointer;
    color: var(--c-text-muted);
    transition: color 0.3s;
    line-height: 1;
}

.modal_close:hover {
    color: var(--c-dark);
}

.modal_content h2 {
    font-family: var(--font-bold);
    font-size: 28px;
    margin-bottom: 32px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.modal_body h3 {
    font-family: var(--font-bold);
    font-size: 15px;
    margin-top: 24px;
    margin-bottom: 8px;
}

.modal_body p {
    font-family: var(--font-regular);
    font-size: 14px;
    line-height: 1.7;
    color: var(--c-text-muted);
    margin-bottom: 8px;
}

/* ===== Success Modal ===== */
.modal_content--success {
    text-align: center;
    max-width: 440px;
    padding: 56px 48px;
}

.success_icon {
    margin-bottom: 24px;
}

.modal_content--success h2 {
    margin-bottom: 12px;
}

.success_text {
    font-family: var(--font-regular);
    font-size: 15px;
    line-height: 1.7;
    color: var(--c-text-muted);
    letter-spacing: 0.3px;
}

/* ===== Responsive ===== */
@media (max-width: 1200px) {
    :root {
        --container-pad: 60px;
    }

    .hero_title {
        font-size: 40px;
    }

    .page_counter {
        right: 20px;
    }
}

@media (max-width: 1024px) {
    .services_stagger {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }

    .scard:nth-child(1) { margin-top: 0; }
    .scard:nth-child(2) { margin-top: 40px; }
    .scard:nth-child(3) { margin-top: 0; }
    .scard:nth-child(4) { margin-top: 40px; }

    .process_grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 36px;
    }

    .footer_top {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }

    .section_header {
        flex-direction: column;
        gap: 16px;
    }

    .section_header_right {
        max-width: 100%;
    }
}

@media (max-width: 768px) {
    :root {
        --container-pad: 24px;
        --header-h: 64px;
    }

    /* Mobile Nav */
    .nav {
        position: fixed;
        inset: 0;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 32px;
        opacity: 0;
        visibility: hidden;
        transition: opacity 0.3s, visibility 0.3s;
        z-index: 100;
    }

    .nav--open {
        opacity: 1;
        visibility: visible;
    }

    .nav_link {
        font-size: 18px;
        letter-spacing: 3px;
    }

    .nav_toggle {
        display: flex;
    }

    .btn--header {
        display: none;
    }

    /* Hero */
    .hero {
        min-height: auto;
    }

    .hero_inner {
        min-height: auto;
        padding-top: calc(var(--header-h) + 20px);
        padding-bottom: 40px;
    }

    .hero_content {
        margin-top: 0;
    }

    .hero_title {
        font-size: 34px;
        line-height: 1.15;
    }

    .hero_subtitle {
        font-size: 15px;
        line-height: 1.6;
        margin-bottom: 28px;
    }

    .hero_image {
        position: relative;
        width: 100%;
        height: 280px;
        top: auto;
        left: auto;
        right: auto;
        margin-top: 40px;
        order: -1;
        max-height: none;
    }

    .page_counter {
        display: none;
    }

    /* Sections */
    .section {
        padding: 72px 0;
    }

    .section_header {
        margin-bottom: 48px;
    }

    .section_title {
        font-size: 22px;
    }

    .section_header_right {
        font-size: 15px;
    }

    /* Services */
    .services_stagger {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .scard:nth-child(n) {
        margin-top: 0;
    }

    .scard {
        min-height: 280px;
    }

    /* Process */
    .process_grid {
        grid-template-columns: 1fr;
        gap: 28px;
    }

    /* Industries */
    .industries_list {
        gap: 10px;
    }

    .industries_list li {
        font-size: 12px;
        padding: 12px 20px;
    }

    /* Contact */
    .form_row {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    /* Footer */
    .footer {
        padding: 56px 0 32px;
    }

    .footer_top {
        grid-template-columns: 1fr;
        gap: 36px;
    }

    /* Modal */
    .modal_content {
        padding: 32px 24px;
    }

    .modal_content h2 {
        font-size: 22px;
    }

    /* Grid overlay - lighter on mobile */
    .grid-line {
        opacity: 0.4;
    }
}

@media (max-width: 480px) {
    .hero_title {
        font-size: 28px;
    }

    .hero_image {
        height: 220px;
    }

    .scard_watermark {
        font-size: 100px;
    }
}