/* =============================================
   WeTalkData — Dark Green Premium Theme
   Inspired by the original wetalkdata.com design
   ============================================= */

/* --- CSS Custom Properties --- */
:root {
    /* Core palette */
    --color-bg: #0a1a1a;
    --color-bg-light: #0f2424;
    --color-bg-card: #112a2a;
    --color-bg-card-hover: #153333;
    --color-accent: #2dd4a8;
    --color-accent-dim: rgba(45, 212, 168, 0.15);
    --color-accent-hover: #24b892;
    --color-white: #ffffff;
    --color-text: rgba(255, 255, 255, 0.75);
    --color-text-dim: rgba(255, 255, 255, 0.45);
    --color-border: rgba(255, 255, 255, 0.08);
    --color-border-hover: rgba(45, 212, 168, 0.3);

    /* Typography */
    --font-serif: 'DM Serif Display', Georgia, serif;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;
    --space-5xl: 8rem;

    /* Layout */
    --max-width: 1200px;
    --nav-height: 80px;

    /* Effects */
    --shadow-glow: 0 0 40px rgba(45, 212, 168, 0.1);
    --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.3);
    --shadow-card-hover: 0 8px 40px rgba(0, 0, 0, 0.4);
    --radius-sm: 0.375rem;
    --radius-md: 0.625rem;
    --radius-lg: 1rem;
    --radius-xl: 1.25rem;
    --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

/* --- Reset & Base --- */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--nav-height);
}

body {
    font-family: var(--font-sans);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

::selection {
    background: var(--color-accent);
    color: var(--color-bg);
}

/* --- Utility --- */
.section-label {
    font-family: var(--font-sans);
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.25em;
    color: var(--color-accent);
    margin-bottom: var(--space-lg);
}

.section-title {
    font-family: var(--font-serif);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 400;
    color: var(--color-white);
    line-height: 1.15;
    margin-bottom: var(--space-lg);
}

.section-title em {
    font-style: italic;
    color: var(--color-accent);
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.9rem 2.4rem;
    font-family: var(--font-sans);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition);
    border: 1.5px solid transparent;
    text-decoration: none;
}

.btn--primary {
    background: var(--color-accent);
    color: var(--color-bg);
    border-color: var(--color-accent);
}

.btn--primary:hover {
    background: var(--color-accent-hover);
    border-color: var(--color-accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(45, 212, 168, 0.25);
}

.btn--full { width: 100%; }

/* =============================================
   NAVIGATION
   ============================================= */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: var(--nav-height);
    display: flex;
    align-items: center;
    transition: background var(--transition), box-shadow var(--transition);
}

.nav--scrolled {
    background: rgba(10, 26, 26, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 var(--color-border);
}

.nav__container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-xl);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav__logo {
    font-family: var(--font-sans);
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: 0.3em;
    color: var(--color-accent);
    text-decoration: none;
}

.nav__menu {
    display: flex;
    align-items: center;
    list-style: none;
    gap: var(--space-xl);
}

.nav__link {
    font-size: 0.8rem;
    font-weight: 400;
    letter-spacing: 0.05em;
    color: var(--color-text-dim);
    transition: color var(--transition);
    text-decoration: none;
    position: relative;
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--color-accent);
    transition: width var(--transition);
}

.nav__link:hover,
.nav__link--active {
    color: var(--color-white);
}

.nav__link:hover::after,
.nav__link--active::after {
    width: 100%;
}

.nav__toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 28px;
    height: 28px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 2px;
}

.nav__toggle span {
    display: block;
    width: 100%;
    height: 1.5px;
    background: var(--color-white);
    border-radius: 2px;
    transition: all var(--transition);
}

/* =============================================
   HERO SECTION
   ============================================= */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    background: var(--color-bg);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -20%;
    right: -10%;
    width: 60%;
    height: 140%;
    background: radial-gradient(ellipse, rgba(45, 212, 168, 0.06) 0%, transparent 70%);
    pointer-events: none;
}

.hero__container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: calc(var(--nav-height) + var(--space-3xl)) var(--space-xl) var(--space-xl);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
    position: relative;
    z-index: 1;
    flex: 1;
}

.hero__title {
    margin-bottom: var(--space-xl);
}

.hero__title-line {
    display: block;
    font-family: var(--font-serif);
    font-size: clamp(4rem, 9vw, 7.5rem);
    font-weight: 400;
    line-height: 0.95;
    color: var(--color-white);
    letter-spacing: -0.02em;
}

.hero__title-line--accent {
    color: var(--color-accent);
}

.hero__subtitle {
    font-family: var(--font-sans);
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    line-height: 1.9;
    color: var(--color-text-dim);
    margin-bottom: var(--space-2xl);
}

/* 3D Visual */
.hero__visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero__3d-scene {
    position: relative;
    width: 420px;
    height: 420px;
}

.hero__spiral {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 300px;
    height: 300px;
    perspective: 600px;
}

.hero__spiral-ring {
    position: absolute;
    border-radius: 50%;
    border: 2px solid var(--color-accent);
    opacity: 0;
    animation: spiralFloat 8s ease-in-out infinite;
}

.hero__spiral-ring--1 {
    width: 60px; height: 180px; top: 10%; left: 40%;
    animation-delay: 0s; opacity: 0.15;
    transform: rotateX(70deg) rotateZ(-20deg);
}
.hero__spiral-ring--2 {
    width: 90px; height: 200px; top: 5%; left: 35%;
    animation-delay: 0.3s; opacity: 0.2;
    transform: rotateX(65deg) rotateZ(-10deg);
}
.hero__spiral-ring--3 {
    width: 120px; height: 220px; top: 0%; left: 28%;
    animation-delay: 0.6s; opacity: 0.3;
    transform: rotateX(60deg) rotateZ(0deg);
}
.hero__spiral-ring--4 {
    width: 150px; height: 240px; top: -5%; left: 20%;
    animation-delay: 0.9s; opacity: 0.4;
    transform: rotateX(55deg) rotateZ(10deg);
}
.hero__spiral-ring--5 {
    width: 180px; height: 250px; top: -8%; left: 12%;
    animation-delay: 1.2s; opacity: 0.5;
    transform: rotateX(50deg) rotateZ(20deg);
}
.hero__spiral-ring--6 {
    width: 210px; height: 260px; top: -10%; left: 4%;
    animation-delay: 1.5s; opacity: 0.35;
    transform: rotateX(45deg) rotateZ(30deg);
}
.hero__spiral-ring--7 {
    width: 240px; height: 270px; top: -12%; left: -4%;
    animation-delay: 1.8s; opacity: 0.2;
    transform: rotateX(40deg) rotateZ(40deg);
}

@keyframes spiralFloat {
    0%, 100% { transform: rotateX(var(--rx, 60deg)) rotateZ(var(--rz, 0deg)) translateY(0); }
    50% { transform: rotateX(var(--rx, 60deg)) rotateZ(var(--rz, 0deg)) translateY(-10px); }
}

.hero__sphere {
    position: absolute;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: radial-gradient(circle at 35% 35%, #5eecc5, #1a8a6e, #0a4a3a);
    box-shadow: 0 0 40px rgba(45, 212, 168, 0.3), inset 0 -5px 15px rgba(0,0,0,0.3);
    top: 20%;
    right: 15%;
    animation: sphereFloat 6s ease-in-out infinite;
}

@keyframes sphereFloat {
    0%, 100% { transform: translateY(0) scale(1); }
    50% { transform: translateY(-20px) scale(1.05); }
}

/* Hero Icons Row */
.hero__icons {
    display: flex;
    justify-content: center;
    gap: var(--space-3xl);
    padding: var(--space-2xl) var(--space-xl) var(--space-3xl);
    position: relative;
    z-index: 1;
}

.hero__icon-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    color: var(--color-text-dim);
    transition: all var(--transition);
}

.hero__icon-item:hover {
    color: var(--color-accent);
}

.hero__icon-item svg {
    width: 28px;
    height: 28px;
    stroke-width: 1;
}

.hero__icon-item span {
    font-size: 0.65rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
}

/* =============================================
   MANIFESTO SECTION
   ============================================= */
.manifesto {
    padding: var(--space-5xl) 0;
    background: var(--color-bg);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.manifesto__container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-xl);
    text-align: center;
}

.manifesto__text {
    font-family: var(--font-serif);
    font-size: clamp(2.5rem, 6vw, 5rem);
    font-weight: 400;
    line-height: 1.15;
    color: var(--color-white);
    margin-bottom: var(--space-xl);
}

.manifesto__word {
    display: inline-block;
    margin: 0 0.15em;
    transition: color 0.5s ease;
}

.manifesto__word:hover {
    color: var(--color-accent);
}

.manifesto__sub {
    font-family: var(--font-sans);
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.25em;
    color: var(--color-accent);
    text-transform: uppercase;
}

/* =============================================
   CHALLENGES & OUTCOMES SECTION
   ============================================= */
.challenges {
    padding: var(--space-5xl) 0;
    background: var(--color-bg-light);
}

.challenges__container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-xl);
}

.challenges__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
}

.challenges__list,
.outcomes__list {
    list-style: none;
    padding: 0;
    margin: 0 0 var(--space-xl) 0;
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.challenges__list li,
.outcomes__list li {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    font-size: 0.92rem;
    line-height: 1.6;
    color: var(--color-text);
}

.challenges__list li svg {
    flex-shrink: 0;
    margin-top: 2px;
    color: rgba(255, 180, 80, 0.7);
}

.outcomes__list li svg {
    flex-shrink: 0;
    margin-top: 2px;
    color: var(--color-accent);
}

.challenges__cta {
    font-size: 0.95rem;
    color: var(--color-text);
    line-height: 1.6;
    padding-top: var(--space-md);
    border-top: 1px solid var(--color-border);
}

.challenges__cta strong {
    color: var(--color-accent);
}

.outcomes__intro {
    font-size: 1.05rem;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: var(--space-xl);
    line-height: 1.6;
}

.outcomes__closing {
    font-size: 0.92rem;
    color: var(--color-text-dim);
    font-style: italic;
    padding-top: var(--space-md);
    border-top: 1px solid var(--color-border);
}

/* =============================================
   ABOUT SECTION
   ============================================= */
.about {
    padding: var(--space-5xl) 0;
    background: var(--color-bg);
}

.about__container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-xl);
}

/* Profile Photo */
.about__profile {
    display: flex;
    justify-content: center;
    margin-bottom: var(--space-3xl);
}

.about__photo {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    overflow: hidden;
    border: 3px solid var(--color-accent);
    box-shadow: 0 0 50px rgba(45, 212, 168, 0.15);
    position: relative;
}

.about__photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    background: var(--color-bg-card);
}

.about__grid {
    display: grid;
    grid-template-columns: 1.3fr 0.7fr;
    gap: var(--space-3xl);
    align-items: start;
}

.about__text p {
    color: var(--color-text);
    margin-bottom: var(--space-lg);
    line-height: 1.8;
    font-size: 0.95rem;
}

.about__intro {
    font-size: 1.05rem !important;
    color: rgba(255, 255, 255, 0.85) !important;
}

.about__stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
}

.stat-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    text-align: center;
    transition: all var(--transition);
}

.stat-card:hover {
    border-color: var(--color-border-hover);
    background: var(--color-bg-card-hover);
    box-shadow: var(--shadow-glow);
}

.stat-card__number {
    display: block;
    font-family: var(--font-serif);
    font-size: 1.8rem;
    color: var(--color-accent);
    margin-bottom: var(--space-xs);
}

.stat-card__label {
    font-size: 0.7rem;
    color: var(--color-text-dim);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 500;
}

.about__industries {
    margin-top: var(--space-3xl);
    padding-top: var(--space-2xl);
    border-top: 1px solid var(--color-border);
}

.about__industries-label {
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--color-text-dim);
    margin-bottom: var(--space-md);
    letter-spacing: 0.05em;
}

.about__industries-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.tag {
    display: inline-block;
    padding: 0.45rem 1.1rem;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--color-text);
    background: var(--color-bg-card);
    border-radius: 100px;
    border: 1px solid var(--color-border);
    transition: all var(--transition);
}

.tag:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
    background: var(--color-accent-dim);
}

/* =============================================
   SERVICES SECTION
   ============================================= */
.services {
    padding: var(--space-5xl) 0;
    background: var(--color-bg);
}

.services__container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-xl);
}

.services__header {
    max-width: 600px;
    margin-bottom: var(--space-3xl);
}

.services__intro {
    font-size: 1rem;
    color: var(--color-text);
    line-height: 1.7;
}

.services__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
}

.service-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    transition: all var(--transition);
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
    opacity: 0;
    transition: opacity var(--transition);
}

.service-card:hover {
    border-color: var(--color-border-hover);
    background: var(--color-bg-card-hover);
    box-shadow: var(--shadow-card-hover);
    transform: translateY(-4px);
}

.service-card:hover::before {
    opacity: 1;
}

.service-card__number {
    font-family: var(--font-serif);
    font-size: 2.5rem;
    color: rgba(45, 212, 168, 0.15);
    margin-bottom: var(--space-lg);
    line-height: 1;
}

.service-card__title {
    font-family: var(--font-serif);
    font-size: 1.35rem;
    font-weight: 400;
    color: var(--color-white);
    margin-bottom: var(--space-md);
}

.service-card__desc {
    font-size: 0.88rem;
    color: var(--color-text);
    line-height: 1.75;
    margin-bottom: var(--space-lg);
    flex-grow: 1;
}

.service-card__outcome {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.85);
    background: rgba(45, 212, 168, 0.06);
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-lg);
    border-left: 2px solid var(--color-accent);
    line-height: 1.6;
}

.service-card__outcome strong {
    color: var(--color-accent);
}

.service-card__link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--color-accent);
    letter-spacing: 0.02em;
    transition: all var(--transition);
}

.service-card__link svg {
    transition: transform var(--transition);
}

.service-card__link:hover {
    gap: var(--space-md);
}

.service-card__link:hover svg {
    transform: translateX(4px);
}

/* =============================================
   REFERENCE WORK SECTION
   ============================================= */
.work {
    padding: var(--space-5xl) 0;
    background: var(--color-bg-light);
}

.work__container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-xl);
}

.work__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
    margin-bottom: var(--space-2xl);
}

.work-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    transition: all var(--transition);
}

.work-card:hover {
    border-color: var(--color-border-hover);
    box-shadow: var(--shadow-card);
    transform: translateY(-2px);
}

.work-card__tag {
    display: inline-block;
    padding: 0.3rem 0.85rem;
    font-size: 0.68rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-accent);
    background: var(--color-accent-dim);
    border-radius: 100px;
    margin-bottom: var(--space-lg);
}

.work-card__tag--ai {
    color: #f0abfc;
    background: rgba(240, 171, 252, 0.12);
}

.work-card__title {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    font-weight: 400;
    color: var(--color-white);
    margin-bottom: var(--space-md);
    line-height: 1.3;
}

.work-card__desc {
    font-size: 0.88rem;
    color: var(--color-text);
    line-height: 1.75;
    margin-bottom: var(--space-lg);
}

.work-card__meta {
    display: flex;
    gap: var(--space-lg);
    font-size: 0.75rem;
    color: var(--color-text-dim);
}

.work-card__industry,
.work-card__location {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.work-card__industry::before {
    content: '';
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--color-accent);
}

.work-card__location::before {
    content: '';
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--color-text-dim);
}

.work__cta-text {
    font-size: 0.85rem;
    color: var(--color-text-dim);
    text-align: center;
}

.work__cta-text a {
    color: var(--color-accent);
    font-weight: 600;
    text-decoration: underline;
    text-underline-offset: 3px;
    text-decoration-color: rgba(45, 212, 168, 0.3);
}

.work__cta-text a:hover {
    text-decoration-color: var(--color-accent);
}

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

.blog__container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-xl);
}

.blog__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
}

.blog-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    transition: all var(--transition);
    display: flex;
    flex-direction: column;
}

.blog-card:hover {
    border-color: var(--color-border-hover);
    box-shadow: var(--shadow-card);
    transform: translateY(-3px);
}

.blog-card__category {
    font-size: 0.68rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-accent);
    margin-bottom: var(--space-lg);
}

.blog-card__title {
    font-family: var(--font-serif);
    font-size: 1.2rem;
    font-weight: 400;
    color: var(--color-white);
    line-height: 1.35;
    margin-bottom: var(--space-md);
}

.blog-card__excerpt {
    font-size: 0.88rem;
    color: var(--color-text);
    line-height: 1.75;
    flex-grow: 1;
    margin-bottom: var(--space-lg);
}

.blog-card__link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--color-accent);
    transition: all var(--transition);
}

.blog-card__link:hover {
    gap: var(--space-md);
}

/* =============================================
   CONTACT SECTION
   ============================================= */
.contact {
    padding: var(--space-5xl) 0;
    background: var(--color-bg-light);
    position: relative;
}

.contact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at 30% 50%, rgba(45, 212, 168, 0.04) 0%, transparent 60%);
    pointer-events: none;
}

.contact__container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-xl);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: start;
    position: relative;
}

.contact__title {
    font-family: var(--font-serif);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 400;
    color: var(--color-white);
    line-height: 1.15;
    margin-bottom: var(--space-lg);
}

.contact__subtitle {
    font-size: 1rem;
    color: var(--color-text);
    line-height: 1.7;
    margin-bottom: var(--space-2xl);
}

.contact__details {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.contact__detail {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    font-size: 0.9rem;
    color: var(--color-text);
}

.contact__detail svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    color: var(--color-accent);
}

.contact__form-wrap {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
}

.contact__form {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.form-group label {
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--color-text-dim);
    letter-spacing: 0.03em;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.8rem 1rem;
    font-family: var(--font-sans);
    font-size: 0.88rem;
    color: var(--color-white);
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: all var(--transition);
    outline: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--color-text-dim);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--color-accent);
    background: rgba(45, 212, 168, 0.04);
    box-shadow: 0 0 0 3px rgba(45, 212, 168, 0.1);
}

.form-group select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%232dd4a8' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
}

.form-group select option {
    color: var(--color-bg);
    background: var(--color-white);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.contact__form .btn--primary {
    margin-top: var(--space-sm);
}

/* =============================================
   FOOTER
   ============================================= */
.footer {
    background: var(--color-bg);
    border-top: 1px solid var(--color-border);
    padding: var(--space-3xl) 0 var(--space-xl);
}

.footer__container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-xl);
}

.footer__top {
    display: flex;
    justify-content: space-between;
    align-items: start;
    padding-bottom: var(--space-2xl);
    border-bottom: 1px solid var(--color-border);
    margin-bottom: var(--space-xl);
}

.footer__tagline {
    font-size: 0.85rem;
    color: var(--color-text-dim);
    margin-top: var(--space-md);
    max-width: 300px;
    line-height: 1.6;
}

.footer__links {
    display: flex;
    gap: var(--space-3xl);
}

.footer__col {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.footer__col h4 {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: var(--space-sm);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.footer__col a {
    font-size: 0.85rem;
    color: var(--color-text-dim);
    transition: color var(--transition);
}

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

.footer__bottom {
    text-align: center;
}

.footer__bottom p {
    font-size: 0.75rem;
    color: var(--color-text-dim);
}

/* =============================================
   SCROLL ANIMATIONS
   ============================================= */
.fade-in {
    opacity: 0;
    transform: translateY(25px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Stagger children */
.fade-in:nth-child(1) { transition-delay: 0s; }
.fade-in:nth-child(2) { transition-delay: 0.1s; }
.fade-in:nth-child(3) { transition-delay: 0.2s; }

/* =============================================
   RESPONSIVE DESIGN
   ============================================= */

@media (max-width: 1024px) {
    .hero__container {
        grid-template-columns: 1fr;
        text-align: left;
    }

    .hero__visual { display: none; }

    .challenges__grid {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }

    .about__grid {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }

    .services__grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

@media (max-width: 768px) {
    :root {
        --space-5xl: 5rem;
    }

    .nav__toggle { display: flex; }

    .nav__menu {
        position: fixed;
        top: var(--nav-height);
        left: 0;
        right: 0;
        flex-direction: column;
        background: rgba(10, 26, 26, 0.98);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        padding: var(--space-xl);
        gap: 0;
        transform: translateY(-120%);
        opacity: 0;
        pointer-events: none;
        transition: all var(--transition);
        border-bottom: 1px solid var(--color-border);
    }

    .nav__menu.active {
        transform: translateY(0);
        opacity: 1;
        pointer-events: all;
    }

    .nav__link {
        padding: 0.85rem 0;
        font-size: 0.9rem;
        color: var(--color-text);
    }

    .hero__title-line {
        font-size: clamp(3rem, 14vw, 5rem);
    }

    .manifesto__text {
        font-size: clamp(1.8rem, 8vw, 3rem);
    }

    .services__grid,
    .work__grid,
    .blog__grid {
        grid-template-columns: 1fr;
    }

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

    .hero__icons {
        gap: var(--space-xl);
    }

    .footer__top {
        flex-direction: column;
        gap: var(--space-2xl);
    }

    /* Hamburger animation */
    .nav__toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    .nav__toggle.active span:nth-child(2) {
        opacity: 0;
    }
    .nav__toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }
}

@media (max-width: 480px) {
    .hero__actions {
        width: 100%;
    }

    .hero__actions .btn {
        width: 100%;
    }

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

    .hero__icons {
        flex-wrap: wrap;
        gap: var(--space-lg);
    }
}

/* =============================================
   BLOG POST PAGE STYLES (shared by blog/*.html)
   ============================================= */
.blog-post {
    padding: calc(var(--nav-height) + var(--space-3xl)) 0 var(--space-5xl);
    background: var(--color-bg);
    min-height: 100vh;
}

.blog-post__container {
    max-width: 740px;
    margin: 0 auto;
    padding: 0 var(--space-xl);
}

.blog-post__back {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--color-accent);
    margin-bottom: var(--space-2xl);
    transition: all var(--transition);
}

.blog-post__back:hover {
    gap: var(--space-md);
}

.blog-post__category {
    font-size: 0.68rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-accent);
    margin-bottom: var(--space-md);
}

.blog-post__title {
    font-family: var(--font-serif);
    font-size: clamp(2rem, 4vw, 2.8rem);
    font-weight: 400;
    color: var(--color-white);
    line-height: 1.2;
    margin-bottom: var(--space-lg);
}

.blog-post__meta {
    font-size: 0.82rem;
    color: var(--color-text-dim);
    margin-bottom: var(--space-3xl);
    padding-bottom: var(--space-2xl);
    border-bottom: 1px solid var(--color-border);
}

.blog-post__content {
    font-size: 1.05rem;
    line-height: 1.85;
    color: var(--color-text);
}

.blog-post__content h2 {
    font-family: var(--font-serif);
    font-size: 1.6rem;
    font-weight: 400;
    color: var(--color-white);
    margin-top: var(--space-3xl);
    margin-bottom: var(--space-lg);
}

.blog-post__content h3 {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    font-weight: 400;
    color: var(--color-white);
    margin-top: var(--space-2xl);
    margin-bottom: var(--space-md);
}

.blog-post__content p {
    margin-bottom: var(--space-lg);
}

.blog-post__content strong {
    color: var(--color-white);
    font-weight: 600;
}

.blog-post__content em {
    color: var(--color-accent);
    font-style: italic;
}

.blog-post__content ul,
.blog-post__content ol {
    margin-bottom: var(--space-lg);
    padding-left: var(--space-xl);
}

.blog-post__content li {
    margin-bottom: var(--space-sm);
}

.blog-post__content li::marker {
    color: var(--color-accent);
}

.blog-post__content blockquote {
    border-left: 2px solid var(--color-accent);
    padding: var(--space-md) var(--space-xl);
    margin: var(--space-2xl) 0;
    background: rgba(45, 212, 168, 0.04);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    font-style: italic;
    color: rgba(255, 255, 255, 0.85);
}

.blog-post__cta {
    margin-top: var(--space-3xl);
    padding-top: var(--space-2xl);
    border-top: 1px solid var(--color-border);
    text-align: center;
}

.blog-post__cta p {
    font-size: 1rem;
    color: var(--color-text);
    margin-bottom: var(--space-lg);
}