/*
--- NOIR THEME ---
Version: 9.0

TABLE OF CONTENTS
1.  :root & Global Styles
2.  Utility & Animation Classes
3.  Header & Navigation
4.  Fullscreen Menu
5.  Hero Section
6.  Services Section (Matrix)
7.  Method Section
8.  Tool Section (Calculator)
9.  Testimonials Section
10. CTA Section
11. Footer
12. Page-Specific Styles
13. Forms
14. Media Queries
*/

/* 1. :root & Global Styles */
:root {
    --bg: #0A0A0A;
    /* Deep matte black */
    --panel-bg: #161616;
    /* Slightly lighter charcoal */
    --text-primary: #F8F8F8;
    /* Soft white */
    --text-secondary: #B8B8B8;
    /* Muted silver gray */
    --accent-red: #8B5CF6;
    /* Royal violet accent */
    --border-color: rgba(255, 255, 255, 0.08);
    /* Subtle white border */
    --font-serif: 'Playfair Display', serif;
    --font-sans: 'Roboto', sans-serif;
    --header-height: 90px;
    --transition: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}


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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    background-color: var(--bg);
    color: var(--text-secondary);
    line-height: 1.7;
    overflow-x: hidden;
}

.container {
    width: 90%;
    max-width: 1300px;
    margin: 0 auto;
}

section {
    padding: 120px 0;
}

h1,
h2,
h3 {
    font-family: var(--font-serif);
    font-weight: 800;
    color: var(--text-primary);
}

h1 {
    font-size: 6rem;
    line-height: 1.1;
}

h2 {
    font-size: 4rem;
    text-align: center;
}

h3 {
    font-size: 1.75rem;
}

p {
    font-size: 1.1rem;
    max-width: 55ch;
}

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

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

/* 2. Utility & Animation Classes */
.btn {
    display: inline-block;
    padding: 16px 40px;
    border: 1px solid var(--accent-red);
    background: var(--accent-red);
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: background var(--transition), color var(--transition);
}

.btn:hover {
    background: transparent;
    color: var(--accent-red);
}

.highlight {
    color: var(--accent-red);
}

.section-header {
    margin-bottom: 80px;
}

[data-animation] {
    opacity: 0;
}

.animate-on-load,
.animate-on-scroll.visible {
    opacity: 1;
}

.line-wrapper {
    display: block;
    overflow: hidden;
}

[data-animation="reveal-up"] {
    display: inline-block;
    transform: translateY(110%);
    transition: transform 1s var(--transition);
    transition-delay: var(--d, 0s);
}

.animate-on-load.visible [data-animation="reveal-up"],
.animate-on-scroll.visible [data-animation="reveal-up"] {
    transform: translateY(0);
}

[data-animation="fade-in"] {
    transition: opacity 1s ease;
    transition-delay: var(--d, 0s);
}

[data-animation="reveal-cell"] {
    transform: scale(0.95);
    opacity: 0;
    transition: transform 0.8s var(--transition), opacity 0.8s ease;
    transition-delay: calc(var(--order, 0) * 0.1s);
}

.animate-on-scroll.visible [data-animation="reveal-cell"] {
    transform: scale(1);
    opacity: 1;
}

/* 3. Header & Navigation */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    height: var(--header-height);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
}

.logo img {
    height: 55px;
    filter: brightness(0) invert(10);
}

.main-nav {
    display: none;
}

/* Desktop nav moved to fullscreen menu */
.menu-toggle {
    background: none;
    border: none;
    z-index: 1010;
    cursor: pointer;
    width: 30px;
    height: 20px;
    position: relative;
}

.menu-toggle .line {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--text-primary);
    position: absolute;
    left: 0;
    transition: transform 0.3s, top 0.3s;
}

.menu-toggle .line:first-child {
    top: 0;
}

.menu-toggle .line:last-child {
    top: 18px;
}

.menu-toggle.active .line:first-child {
    top: 9px;
    transform: rotate(45deg);
}

.menu-toggle.active .line:last-child {
    top: 9px;
    transform: rotate(-45deg);
}

/* 4. Fullscreen Menu */
.fullscreen-menu {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg);
    z-index: 999;
    display: flex;
    justify-content: center;
    align-items: center;
    visibility: hidden;
    opacity: 0;
    transition: visibility 0.5s, opacity 0.5s;
}

.fullscreen-menu.active {
    visibility: visible;
    opacity: 1;
}

.fullscreen-menu nav {
    display: flex;
    flex-direction: column;
    text-align: center;
}

.menu-link {
    font-family: var(--font-serif);
    font-size: 4rem;
    font-weight: 800;
    line-height: 1.2;
    color: var(--text-primary);
    display: block;
    transform: translateY(30px);
    opacity: 0;
    transition: color 0.3s, transform 0.5s, opacity 0.5s;
}

.fullscreen-menu.active .menu-link {
    transform: translateY(0);
    opacity: 1;
}

.fullscreen-menu.active .menu-link:nth-child(1) {
    transition-delay: 0.2s;
}

.fullscreen-menu.active .menu-link:nth-child(2) {
    transition-delay: 0.3s;
}

.fullscreen-menu.active .menu-link:nth-child(3) {
    transition-delay: 0.4s;
}

.fullscreen-menu.active .menu-link:nth-child(4) {
    transition-delay: 0.5s;
}

.fullscreen-menu.active .menu-link:nth-child(5) {
    transition-delay: 0.6s;
}

.menu-link:hover {
    color: var(--accent-red);
}

/* 5. Hero Section */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
}

/* 6. Services Section (Matrix) */
.strategy-matrix {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1px;
    background: var(--border-color);
}

.matrix-cell {
    background: var(--bg);
    padding: 40px;
    transition: background var(--transition);
}

.matrix-cell:hover {
    background: var(--panel-bg);
}

.matrix-cell h3 {
    margin-bottom: 1rem;
}

/* 7. Method Section */
.method-section {
    background: var(--panel-bg);
}

.method-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 80px;
    align-items: center;
}

.method-image img {
    width: 100%;
    height: auto;
}

.method-content .section-title {
    text-align: left;
    margin-bottom: 40px;
}

.method-step {
    border-top: 1px solid var(--border-color);
    padding: 30px 0;
}

.method-step h3 {
    font-family: var(--font-sans);
    font-size: 1.2rem;
    font-weight: 500;
    text-transform: uppercase;
}

/* 8. Tool Section (Calculator) */
.tool-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.tool-text .section-title {
    text-align: left;
}

.calculator {
    background: var(--panel-bg);
    padding: 40px;
    border: 1px solid var(--border-color);
}

.calc-group {
    margin-bottom: 2rem;
}

.calc-group label {
    display: block;
    font-size: 1rem;
    margin-bottom: 0.5rem;
    text-transform: uppercase;
}

.calc-group input {
    background: transparent;
    border: none;
    border-bottom: 1px solid var(--border-color);
    width: 100%;
    color: var(--text-primary);
    font-size: 2rem;
    font-family: var(--font-serif);
    padding: 10px 0;
}

.calc-group input:focus {
    outline: none;
    border-bottom-color: var(--accent-red);
}

.calc-output label {
    display: block;
    font-size: 1rem;
    text-transform: uppercase;
}

.calc-output span {
    font-size: 3rem;
    color: var(--accent-red);
    font-family: var(--font-serif);
}

/* 9. Testimonials Section */
.testimonials-section {
    background: var(--panel-bg);
}

.testimonial-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
}

.testimonial-item p {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    line-height: 1.6;
    margin-bottom: 1rem;
}

.testimonial-item cite {
    font-style: normal;
    font-weight: 500;
}

/* 10. CTA Section */
.cta-content {
    text-align: center;
}

.cta-content h2 {
    margin-bottom: 1rem;
}

/* 11. Footer */
.site-footer {
    padding: 60px 0;
    border-top: 1px solid var(--border-color);
}

.footer-main {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr 1fr;
    gap: 30px;
    align-items: center;
}

.footer-links-col {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-contact-col h4 {
    margin: 0 0 10px 0;
    font-size: 1rem;
    font-weight: 600;
}

.footer-contact-col p {
    margin: 0;
}

.footer-contact-col a {
    color: inherit;
    text-decoration: none;
}

.footer-contact-col a:hover {
    text-decoration: underline;
}

.footer-bottom {
    margin-top: 60px;
    text-align: center;
}

.footer-bottom p {
    font-size: 0.9rem;
}

/* 12. Page-Specific Styles */
.page-header {
    padding: calc(var(--header-height) + 100px) 0 80px;
}

.page-header p {
    max-width: 500px;
    margin-top: 1rem;
}

.contact-page-section,
.legal-page-section {
    padding-bottom: 120px;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 80px;
}

.contact-info-wrapper h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.info-block {
    margin-bottom: 2rem;
}

.info-block h4 {
    font-family: var(--font-sans);
    text-transform: uppercase;
    font-weight: 500;
    font-size: 1rem;
}

.legal-content {
    max-width: 800px;
}

.legal-content h2 {
    margin: 2rem 0 1rem;
    font-size: 2.5rem;
}

/* 13. Forms */
.form-group {
    margin-bottom: 2rem;
}

input,
textarea {
    width: 100%;
    padding: 10px 0;
    background: transparent;
    color: var(--text-primary);
    border: none;
    border-bottom: 1px solid var(--border-color);
    font-family: var(--font-sans);
    font-size: 1.2rem;
    transition: border-color var(--transition);
}

input:focus,
textarea:focus {
    outline: none;
    border-bottom-color: var(--accent-red);
}

::placeholder {
    color: var(--text-secondary);
    opacity: 0.8;
}

/* 14. Media Queries */
@media (max-width: 1024px) {
    h1 {
        font-size: 4rem;
    }

    h2 {
        font-size: 3rem;
    }

    .menu-link {
        font-size: 3rem;
    }

    .method-grid {
        grid-template-columns: 1fr;
    }

    .method-image {
        max-width: 400px;
        margin: 0 auto 40px;
    }

    .tool-grid {
        grid-template-columns: 1fr;
    }

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

    .contact-grid {
        grid-template-columns: 1fr;
    }

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

    .footer-logo-col {
        grid-column: 1 / -1;
    }
}

@media (max-width: 768px) {
    h1 {
        font-size: 2.8rem;
    }

    h2 {
        font-size: 2.2rem;
    }

    section {
        padding: 80px 0;
    }

    .menu-link {
        font-size: 2.2rem;
    }

    .strategy-matrix {
        grid-template-columns: 1fr;
    }

    .footer-main {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-links-col {
        align-items: center;
    }
}