/* ========================================
   DESIGN SYSTEM & VARIABLES
   ======================================== */
:root {
    /* Colors */
    --black: #000000;
    --white: #FFFFFF;
    --blue-deep: #050A30;
    /* Sophisticated Midnight Blue */
    --gray-dark: #1A1A1A;
    --gray-medium: #555555;
    --gray-light: #999999;
    --gray-ultra-light: #EFEFEF;

    /* Semantic */
    --color-bg: var(--white);
    --color-text: var(--black);
    --color-text-muted: var(--gray-medium);
    --color-border: var(--gray-ultra-light);
    --color-accent: var(--black);

    /* Typography */
    --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-body: 'Inter', system-ui, -apple-system, sans-serif;

    /* Spacing */
    --space-unit: 1rem;
    --space-xs: calc(var(--space-unit) * 0.5);
    /* 8px */
    --space-sm: var(--space-unit);
    /* 16px */
    --space-md: calc(var(--space-unit) * 2);
    /* 32px */
    --space-lg: calc(var(--space-unit) * 4);
    /* 64px */
    --space-xl: calc(var(--space-unit) * 8);
    /* 128px */
    --space-section: var(--space-xl);

    /* Animation */
    --transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
    --ease-out: cubic-bezier(0.19, 1, 0.22, 1);

    /* Z-index */
    --z-nav: 1000;
    --z-modal: 1100;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
}

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

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

a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition);
}

ul {
    list-style: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

.skip-link {
    position: absolute;
    top: -100px;
    left: 0;
    background: var(--black);
    color: var(--white);
    padding: 1rem;
    z-index: 1001;
}

.skip-link:focus {
    top: 0;
}

/* ========================================
   TYPOGRAPHY
   ======================================== */
h1,
h2,
h3,
h4,
.logo-text {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.04em;
    text-transform: uppercase;
    background: linear-gradient(180deg, var(--black) 0%, var(--blue-deep) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

h1 {
    font-size: clamp(2.5rem, 8vw, 4.5rem);
    margin-bottom: var(--space-md);
}

h2 {
    font-size: clamp(2rem, 5vw, 3rem);
    margin-bottom: var(--space-sm);
}

h3 {
    font-size: 1.5rem;
    margin-bottom: var(--space-xs);
}

h4 {
    font-size: 1.25rem;
}

.hero-trust {
    margin-top: var(--space-md);
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--gray-light);
}

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

.badge {
    display: inline-block;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-sm);
    padding: 0.4rem 1rem;
    background-color: #f8f8f8;
    border: 1px solid #eee;
    color: var(--black);
}

/* ========================================
   BUTTONS
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1.25rem 2.5rem;
    font-family: var(--font-heading);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-size: 0.875rem;
    border: none;
    cursor: pointer;
    transition: var(--transition);
}

.btn-primary {
    background-color: var(--blue-deep);
    color: var(--white);
}

.btn-primary:hover {
    background-color: var(--white);
    color: var(--blue-deep);
    box-shadow: inset 0 0 0 2px var(--blue-deep);
}

.btn-secondary {
    background-color: transparent;
    color: var(--black);
    box-shadow: inset 0 0 0 1px var(--gray-light);
}

.btn-secondary:hover {
    box-shadow: inset 0 0 0 2px var(--black);
}

.btn-large {
    padding: 1.5rem 3.5rem;
    font-size: 1rem;
}

.btn-full {
    width: 100%;
}

.btn-minimal {
    padding: 0.5rem 1rem;
    border-bottom: 2px solid var(--black);
    font-weight: 800;
}

.btn-minimal:hover {
    background: var(--black);
    color: var(--white);
}

/* ========================================
   NAVIGATION
   ======================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: var(--z-nav);
    background-color: transparent;
    transition: var(--transition);
    padding: var(--space-md) 0;
}

.navbar.scrolled {
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 1rem 0;
    border-bottom: 1px solid var(--gray-ultra-light);
}

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

.logo-text {
    font-size: 1.5rem;
    letter-spacing: -0.01em;
}

.nav-links {
    display: flex;
    gap: var(--space-md);
    align-items: center;
}

.nav-link {
    font-family: var(--font-heading);
    font-weight: 500;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--gray-medium);
}

.nav-link:hover {
    color: var(--black);
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 1001;
}

.hamburger span {
    width: 25px;
    height: 2px;
    background-color: var(--black);
    transition: var(--transition);
}

@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-wrapper {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        height: 100vh;
        background-color: var(--white);
        display: flex;
        justify-content: center;
        align-items: center;
        transition: 0.5s var(--ease-out);
        box-shadow: -10px 0 30px rgba(0, 0, 0, 0.05);
    }

    .nav-wrapper.active {
        right: 0;
    }

    .nav-links {
        flex-direction: column;
        gap: var(--space-md);
        text-align: center;
    }

    .nav-link {
        font-size: 1.5rem;
    }
}

/* ========================================
   HERO SECTION
   ======================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: var(--space-xl);
    background-color: var(--white);
}

.hero-wrapper {
    position: relative;
    z-index: 2;
    max-width: 900px;
}

.hero-subtitle {
    max-width: 600px;
    margin-bottom: var(--space-lg);
    font-size: 1.25rem;
}

.hero-actions {
    display: flex;
    gap: var(--space-sm);
    flex-wrap: wrap;
}

.hero-visual-bg {
    position: absolute;
    top: 10%;
    right: 5%;
    width: 40%;
    height: 80%;
    background: repeating-linear-gradient(45deg, #f0f0f0 0, #f0f0f0 1px, transparent 0, transparent 50%);
    background-size: 20px 20px;
    z-index: 1;
    opacity: 0.5;
}

/* ========================================
   SECTIONS
   ======================================== */
section {
    padding: var(--space-section) 0;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--space-lg);
}

.section-subtitle {
    font-size: 1.125rem;
}

/* ========================================
   SERVICES
   ======================================== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--space-md);
}

.service-card {
    padding: var(--space-md);
    background: var(--white);
    border: 1px solid var(--color-border);
    transition: var(--transition);
}

.service-card:hover {
    border-color: var(--blue-deep);
    background-color: var(--blue-deep);
    transform: translateY(-8px);
}

.service-card:hover h3,
.service-card:hover p,
.service-card:hover .service-icon {
    color: var(--white);
    -webkit-text-fill-color: var(--white);
}

.service-card:hover h3 {
    background: none;
}

.service-icon {
    margin-bottom: var(--space-sm);
    color: var(--black);
    transition: var(--transition);
}

.service-card:hover .service-icon {
    transform: translateY(-5px);
}

/* ========================================
   WHY US
   ======================================== */
.why-us {
    background-color: var(--gray-ultra-light);
}

.why-us-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--space-lg);
    align-items: center;
}

.why-us-items {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-md);
}

.why-us-item h4 {
    margin-bottom: var(--space-xs);
    font-family: var(--font-heading);
}

@media (max-width: 968px) {
    .why-us-grid {
        grid-template-columns: 1fr;
    }
}

/* ========================================
   PROCESS
   ======================================== */
.process {
    position: relative;
    overflow: hidden;
}

.process::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: radial-gradient(var(--gray-light) 0.5px, transparent 0.5px);
    background-size: 30px 30px;
    opacity: 0.05;
    z-index: 1;
    pointer-events: none;
}

.process .container {
    position: relative;
    z-index: 2;
}

.process-timeline {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    position: relative;
}

.process-step {
    padding: var(--space-md) var(--space-sm);
    border-top: 2px solid var(--black);
    position: relative;
}

.step-num {
    display: block;
    margin-bottom: var(--space-sm);
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 0.875rem;
    color: var(--gray-light);
}

.process-step:hover .step-num {
    color: var(--black);
}

/* ========================================
   CTA FINAL
   ======================================== */
.cta-final {
    text-align: center;
    background-color: var(--blue-deep);
    color: var(--white);
}

.cta-final h2 {
    color: var(--white);
    -webkit-text-fill-color: var(--white);
    background: none;
    margin-bottom: var(--space-sm);
}

.cta-final p {
    color: var(--gray-light);
    margin-bottom: var(--space-lg);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* ========================================
   CONTACT FORM
   ======================================== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: var(--space-lg);
}

.detail-item {
    margin-bottom: var(--space-sm);
}

.detail-item span {
    display: block;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.75rem;
    text-transform: uppercase;
    color: var(--gray-light);
}

.detail-item a {
    font-size: 1.25rem;
    font-weight: 600;
}

.contact-form {
    background: var(--white);
    padding: var(--space-md);
    border: 1px solid var(--color-border);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-sm);
}

.form-group {
    margin-bottom: var(--space-sm);
}

.form-group label {
    display: block;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.75rem;
    text-transform: uppercase;
    margin-bottom: 0.25rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 1px solid var(--gray-ultra-light);
    font-family: var(--font-body);
    font-size: 1rem;
    outline: none;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--black);
}

@media (max-width: 768px) {
    .contact-grid {
        grid-template-columns: 1fr;
    }

    .form-row {
        grid-template-columns: 1fr;
    }
}

/* ========================================
   FOOTER
   ======================================== */
.footer {
    padding: var(--space-lg) 0 var(--space-md);
    border-top: 1px solid var(--gray-ultra-light);
}

.footer-top {
    display: flex;
    justify-content: space-between;
    margin-bottom: var(--space-lg);
    flex-wrap: wrap;
    gap: var(--space-md);
}

.footer-brand {
    max-width: 300px;
}

.footer-nav {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
}

.footer-col h5 {
    font-family: var(--font-heading);
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.875rem;
    margin-bottom: var(--space-sm);
}

.footer-col ul li {
    margin-bottom: 0.5rem;
}

.footer-col a {
    color: var(--gray-medium);
    font-size: 0.9375rem;
}

.footer-col a:hover {
    color: var(--black);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--space-md);
    border-top: 1px solid var(--gray-ultra-light);
}

.social-links {
    display: flex;
    gap: var(--space-sm);
    font-weight: 700;
    font-family: var(--font-heading);
}

/* ========================================
   ANIMATIONS
   ======================================== */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

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

.loader {
    width: 20px;
    height: 20px;
    border: 2px solid var(--white);
    border-bottom-color: transparent;
    border-radius: 50%;
    display: none;
    animation: rotation 1s linear infinite;
    margin-left: 10px;
}

@keyframes rotation {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

.form-status {
    padding: 1rem;
    margin-bottom: 1rem;
    display: none;
    font-weight: 600;
}

.form-status.success {
    background: #f0fdf4;
    color: #166534;
    display: block;
}

.form-status.error {
    background: #fef2f2;
    color: #991b1b;
    display: block;
}

/* ========================================
   PREMIUM ENHANCEMENTS
   ======================================== */
.custom-cursor {
    width: 20px;
    height: 20px;
    border: 1px solid var(--blue-deep);
    border-radius: 50%;
    position: fixed;
    pointer-events: none;
    z-index: 9999;
    transition: transform 0.1s var(--ease-out), width 0.3s, height 0.3s, background-color 0.3s;
    transform: translate(-50%, -50%);
    display: none;
}

@media (pointer: fine) {
    .custom-cursor {
        display: block;
    }
}

.custom-cursor.active {
    width: 50px;
    height: 50px;
    background-color: rgba(0, 0, 0, 0.05);
    border-color: transparent;
}

/* Shake Animation for Form Errors */
@keyframes shake {

    0%,
    100% {
        transform: translateX(0);
    }

    25% {
        transform: translateX(-5px);
    }

    75% {
        transform: translateX(5px);
    }
}

.shake {
    animation: shake 0.4s ease-in-out;
    border-color: #991b1b !important;
}